CN211225676U - Cutting mechanism and automatic roll changing device - Google Patents

Abstract

The utility model belongs to the technical field of automation equipment, in particular to a cutting mechanism and an automatic roll changing device, wherein the cutting mechanism comprises a first lifting component, a pressing component, a second lifting component and a cutter component; the pressing assembly is arranged at the driving end of the first lifting assembly, is driven by the first lifting assembly to be close to and far away from a material belt to be cut and is used for pressing the material belt to be cut after being close to the material belt to be cut; the second lifting assembly is arranged at the driving end of the first lifting assembly so as to synchronously move along with the pressing assembly under the driving of the first lifting assembly; the cutter assembly is arranged at the driving end of the second lifting assembly and moves relative to the pressing assembly under the driving of the second lifting assembly, so that the material belt to be cut pressed by the pressing assembly is cut off. The utility model discloses a cutting mechanism sets up in small quantity, cuts the material area and does not receive the spatial position influence to a certain extent.

Description

Cutting mechanism and automatic roll changing device

Technical Field

The utility model belongs to the technical field of automation equipment, especially, relate to a cut mechanism and automatic roll change device.

Background

In the production process of the lithium battery, the cathode/anode sheet and the diaphragm need to be automatically wound. When the pole piece and the diaphragm material roll are used up, the spare material roll needs to be started to complete the automatic roll changing function. The automatic roll changing device can realize the cutting separation of the used strip material from the roll thereof and simultaneously connect the front end of the strip material of the standby roll with the tail end of the used strip material by a method of adhesive tape adhesion.

Wherein, need cut the mechanism through cutting and cut the strip that is using around strip and the adhesion of standby material coil strip that is using, among the prior art, when cutting the mechanism and cutting the strip, cutting efficiency is poor, the condition that cuts constantly appears easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is that when cutting the mechanism cutting strip among the prior art, cutting efficiency is poor, appears cutting the condition continuous easily, provides a cutting mechanism that cutting effect is good.

In order to solve the technical problem, the utility model discloses a technical scheme be: a cutting mechanism comprises a first lifting component, a pressing component, a second lifting component and a cutter component; the pressing assembly is arranged at the driving end of the first lifting assembly, is driven by the first lifting assembly to be close to and far away from the material belt to be cut and is used for pressing the material belt to be cut after being close to the material belt to be cut; the second lifting assembly is arranged at the driving end of the first lifting assembly and driven by the first lifting assembly to synchronously move along with the pressing assembly; the cutter assembly is arranged at the driving end of the second lifting assembly to move relative to the pressing assembly under the driving of the second lifting assembly, so that the material belt to be cut pressed by the pressing assembly is cut off.

Further, compress tightly the subassembly and include supporting platform and clamp plate subassembly, supporting platform sets up in first lifting unit's drive end, and the clamp plate subassembly sets up on supporting platform to can open and shut the motion for supporting platform, and then will treat that the cutting material area compresses tightly on supporting platform at the closure state, and treat the cutting material area at the release of open mode.

Preferably, the pressing plate assembly comprises a pressing plate, a swinging arm and a telescopic driving piece, the swinging arm is pivoted on the supporting platform, the pressing plate is arranged at one end of the swinging arm, two ends of the telescopic driving piece are respectively hinged with the other end of the swinging arm and the supporting platform, the swinging arm is driven to rotate relative to the supporting platform through telescopic action, and then the pressing plate is enabled to move in an opening and closing mode relative to the supporting platform.

More preferably, the number of the pressing plate assemblies is four, wherein four pressing plate assemblies are divided into two groups, two groups of pressing plate assemblies are respectively arranged on two opposite sides of the supporting platform along the width direction of the material belt to be cut, each group of pressing plate assemblies comprises two pressing plate assemblies arranged at intervals along the length direction of the material belt to be cut, and the cutter assemblies are arranged in the interval areas of the two pressing plate assemblies in each group of pressing plate assemblies.

Specifically, be used for bearing waiting to cut the material area on supporting platform's the holding surface, when second lifting unit is in the decline state, cutter unit spare is located the holding surface and is close to one side of first lifting unit, and when second lifting unit was in the rising state, cutter unit spare at least part moved to the holding surface and keeps away from one side of first lifting unit.

Preferably, the cutting mechanism further comprises a cutter translation assembly, and the cutter translation assembly is used for driving the first lifting assembly, the second lifting assembly and the cutter assembly to translate between the first unwinding mechanism and the second unwinding mechanism.

Preferably, the cutter translation assembly comprises a bottom plate, a slide rail arranged on the bottom plate, a slide block connected with the slide rail in a sliding manner, a fixed support arranged on the slide block, and a translation driving part, wherein the translation driving part is used for driving the slide block to move along the slide rail.

Preferably, the first lifting assembly comprises a first lifting plate, a first guide assembly and a first lifting driving piece, the first lifting driving piece is arranged on the fixed support, the first lifting plate is connected with the driving end of the first lifting driving piece and is close to and far away from the fixed support under the driving of the first lifting driving piece, and the second lifting assembly and the pressing assembly are arranged on the first lifting plate.

Preferably, the first guide assembly includes a first guide sleeve disposed on one of the fixing bracket and the first lifting plate and a first guide pillar disposed on one of the fixing bracket and the first lifting plate, wherein the first guide pillar is inserted into the first guide sleeve and can slide relative to the first guide sleeve along an axial direction of the first guide pillar.

Preferably, the second lifting assembly comprises a second lifting plate, a second guiding assembly and a second lifting driving member, the second lifting driving member is arranged on the first lifting plate, the second lifting plate is connected with the driving end of the second lifting driving member and is close to and far away from the first lifting plate under the driving of the second lifting driving member, and the cutter assembly is arranged on the second lifting plate.

Preferably, the second guiding assembly includes a second guide sleeve disposed on one of the first lifting plate and the second lifting plate and a second guide pillar disposed on the other of the first lifting plate and the second lifting plate, wherein the second guide pillar is inserted into the second guide sleeve and can slide relative to the second guide sleeve along an axial direction of the second guide pillar.

The utility model discloses still include second technical scheme: an automatic roll changing device comprises the cutting mechanism, and further comprises a first unwinding mechanism, a second unwinding mechanism and an automatic roll changing mechanism, wherein the first unwinding mechanism and the second unwinding mechanism are arranged at intervals and used for respectively bearing a first material roll and a second material roll, the automatic roll changing mechanism and the cutting mechanism are arranged between the first unwinding mechanism and the second unwinding mechanism, the automatic roll changing mechanism is used for pressing a material strip released by a working material roll in a use state in the first material roll and the second material roll on a standby material roll in the first material roll and the second material roll when roll changing is needed, so that the material strip released by the working material roll is mutually jointed with the material strip on the standby material roll, and the cutting mechanism is used for cutting the material strip released by the working material roll before the material strip pressed on the standby material roll.

The utility model has the advantages that: be different from prior art's condition, 1) the utility model discloses cut mechanism can be so that when needs cut off the material area, first elevating system work to remove cutter unit spare and compress tightly near the subassembly and take to the material, compress tightly the material area and cut the material area, when not needing to cut the material area, first elevating system drive cutter unit spare with compress tightly the subassembly and resume the normal position, with the use that does not influence other parts.

2) The utility model discloses cut mechanism through setting up cutter translation subassembly, can be so that only set up one and cut the mechanism and just can cut the material area that first material was rolled up or the second material was rolled up, and can move to arbitrary position between first unwinding mechanism and the second unwinding mechanism at automatic roll change mechanism and all can realize cutting off in material area needs cutting off position department as required, has reached the quantity that the reduction cut mechanism set up, cuts the material area simultaneously and does not receive the spatial position influence to a certain extent.

3) The utility model discloses cut mechanism compresses tightly through setting up the clamp plate subassembly and waits to cut the material area, can avoid the unsettled cutting material of cutter to take the time be difficult to take the problem that cuts off the material.

4) The utility model discloses cut mechanism, pressure plate assembly are preferred four, and four pressure plate assembly set up in cutter unit both sides, set up respectively at the both ends of taking width direction with two pressure plate assembly of one side, the utility model discloses a four pressure plate assembly are convenient for the material area of fixed cutter unit both sides, and pressure plate assembly opens and shuts the operation route minimum simultaneously, are convenient for fixed material area and loosen the material area, do not influence the operation of other parts of automatic roll change device simultaneously.

Drawings

Fig. 1 is a front view of an automatic roll changer according to an embodiment of the present invention;

fig. 2 is a side view of an unwinding mechanism according to an embodiment of the present invention;

fig. 3 is a top view of an unwinding mechanism according to an embodiment of the present invention;

fig. 4 is a top view of a second driving assembly of the unwinding mechanism according to an embodiment of the present invention;

fig. 5 is a top view of a pushing mechanism according to an embodiment of the present invention;

fig. 6 is a front view of a guide mechanism according to an embodiment of the present invention;

fig. 7 is a top view of a guide mechanism according to an embodiment of the present invention;

fig. 8 is a front view of a cutting mechanism according to an embodiment of the present invention;

fig. 9 is a side view of a cutting mechanism according to an embodiment of the present invention;

fig. 10 is a side view of an automatic reel changer according to an embodiment of the present invention;

fig. 11 is a rear view of an automatic reel changer according to an embodiment of the present invention;

fig. 12 is a front view of an automatic reel changer according to another embodiment of the present invention;

fig. 13 is a left side view of an automatic reel changer according to another embodiment of the present invention;

FIG. 14 is a front view of a first film tearing mechanism according to an embodiment of the present invention;

FIG. 15 is a side view of a first film tearing mechanism according to an embodiment of the present invention;

fig. 16 is a top view of a taping mechanism according to an embodiment of the present invention;

fig. 17 is a schematic structural view of a tension shaft according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments.

As shown in fig. 1, according to the utility model discloses an automatic roll changing device of an embodiment, including mounting panel 10 and set up first unwinding mechanism 1, second unwinding mechanism 2, automatic roll changing mechanism 3, cut mechanism 4, guiding mechanism 5, rubberizing mechanism 6, first dyestripping mechanism 7, second dyestripping mechanism 8, first detection mechanism 91 and second detection mechanism 92 on mounting panel 10.

The first unwinding mechanism 1 and the second unwinding mechanism 2 are spaced from each other and are used for respectively carrying a first material roll 101 and a second material roll 201, wherein the automatic roll changing mechanism 3 is arranged between the first unwinding mechanism 1 and the second unwinding mechanism 2.

During the working process, one of the first material roll 101 and the second material roll 201 carried by the first unwinding mechanism 1 and the second unwinding mechanism 2 is used as a working material roll in a use state, and the other material roll is used as a standby material roll, for example, the first material roll 101 carried by the first unwinding mechanism 1 in fig. 1 is used as a working material roll in a use state, and the second material roll 201 carried by the second unwinding mechanism 2 is a standby material roll; the material rolls that first unwinding mechanism 1, second unwinding mechanism 2 born during the operation can be in the work material roll as the in service condition in turn, in other words, after first material roll 101 finishes using, second material roll 201 begins to launch as work material roll, can roll up first material roll 101 to first unwinding mechanism 1 renewal simultaneously for new first material roll 101 becomes reserve material roll, so as to analogize, two unwinding mechanisms used in turn, can make equipment accomplish the automatic change of material area and take over under the circumstances of not shutting down, thereby production efficiency has been improved.

The automatic roll changing mechanism 3 is used for pressing the material belt released from the working material roll in the use state in the first material roll 101 and the second material roll 201 onto the standby material roll in the first material roll 101 and the second material roll 201, so that the material belt released from the working material roll and the material belt on the standby material roll are jointed with each other.

The first detection mechanism 91 and the second detection mechanism 92 are used for detecting the material diameters of the material rolls on the first unwinding mechanism 1 and the second unwinding mechanism 2, and when the material diameters are smaller than a set value, the material rolls on the unwinding mechanisms are used up, so that the automatic roll changing process can be started.

The cutting mechanism 4 is used for cutting the material strip released by the work material roll, and in one embodiment, the cutting mechanism 4 can cut the material strip released by the work material roll before the material strip released by the work material roll and the material strip on the standby material roll are jointed with each other. In other embodiments, the cutting mechanism 4 may cut the strip of material released from the work roll after the strip of material released from the work roll and the strip of material on the backup roll are joined to each other.

The first film tearing mechanism 7 and the second film tearing mechanism 8 are respectively arranged corresponding to the first unwinding mechanism 1 and the second unwinding mechanism 2. The starting ends of the standby material rolls in the first unwinding mechanism 1 and the second unwinding mechanism 2 are provided with double faced adhesive tapes, the outer sides of the double faced adhesive tapes are provided with isolation paper, and the first film tearing mechanism 7 and the second film tearing mechanism 8 are used for tearing the isolation paper from the double faced adhesive tapes before automatic roll changing so that the working material rolls in the first unwinding mechanism 1 or the second unwinding mechanism 2 are bonded with the standby material rolls through the double faced adhesive tapes to be bonded with each other.

The guide mechanism 5 is positioned above the automatic roll changing mechanism 3 and used for ensuring that the material belt is output along the same position after roll changing.

The tape attaching mechanism 6 is used for attaching adhesive tapes at the joint positions of the material belt of the working material roll and the material belt of the standby material roll so as to enhance the joint strength of the joint positions.

The specific structure of the first unwinding mechanism 1 and the second unwinding mechanism 2 will be described in detail with reference to specific views.

In this embodiment, the first unwinding mechanism 1 and the second unwinding mechanism 2 have the same structure, and therefore the first unwinding mechanism 1 is taken as an example for description.

As shown in fig. 2 and 3, in this embodiment, the first unwinding mechanism 1 includes a base 11, a carrying shaft 12, a first driving assembly 13, a second driving assembly 14, a rotary seat 15, and a pushing mechanism 16. The second driving assembly 14 is disposed on the base 11, a driving end of the second driving assembly 14 is disposed on the rotating base 15, the bearing shaft 12 is rotatably disposed on the rotating base 15, and the first driving assembly 13 is disposed on the rotating base 15. Wherein the carrier spool 12 is used for placing the first roll 101.

The first driving assembly 13 is used for driving the carrying shaft 12 to rotate around the axis thereof so as to drive the first material roll 101 to rotate and release the material belt. The second driving assembly 14 is used for driving the first driving assembly 13, the rotating base 15 and the carrying shaft 12 to move along the axial direction thereof so as to correct the deviation of the material belt.

The material pushing mechanism 16 is used for pushing the first material roll 101 on the bearing shaft 12 to move along the axial direction of the bearing shaft 12 so as to push the exhausted first material roll 101 out of the bearing shaft 12.

It should be noted that the present embodiment includes the second driving assembly 14 and the material pushing mechanism 16 for deviation rectification, and in other embodiments, the second driving assembly 14 and/or the material pushing mechanism 16 may not be provided.

Specifically, as shown in fig. 2 and 4, the second driving assembly 14 includes a motor fixing base 141, a motor 142, pulleys 143 and 145, a lead screw 146, a belt 144, a lead screw support 140, a lead screw nut 147, a slider 148 and a slide rail 149; the motor 142 is arranged on the motor fixing seat 141, the belt pulley 143 is arranged at the driving end of the motor 142, one end of the screw rod 146 is provided with the belt pulley 145, the belt 144 is connected between the belt pulley 143 and the belt pulley 145, the screw rod 146 is rotatably supported on the screw rod support 140, the screw rod support 140 is arranged on the base 11, the screw rod 146 is provided with the screw rod nut 147, the screw rod nut 147 is connected with the rotating seat 15, the rotating seat 15 is further arranged on the slide block 148, the slide block 148 is slidably arranged on the slide rail 149, the slide rail 149 is arranged on the base 11, and the motor 142 can drive the screw rod 146 to rotate to drive the screw rod nut 147 and. In this embodiment, the motor 142 is driven by a pulley 145, and in other embodiments, the motor 142 may be coupled to one end of a lead screw 146 by a coupling.

As shown in fig. 2, the first driving assembly 13 includes a motor fixing base 131, a motor 132, a pulley 133, a pulley 134 and a belt 135, the motor fixing base 131 is disposed on the rotary base 15, the motor 132 is disposed on the motor fixing base 131, the pulley 134 is disposed at a driving end of the motor 132, the pulley 133 is disposed at one end of the bearing shaft 12, the belt 135 is connected between the pulley 133 and the pulley 134, and the motor 132 drives the bearing shaft 12 to rotate through the pulleys 133 and 134.

In this embodiment, the bearing shaft 12 is a tension shaft, and in other embodiments, the bearing shaft 12 may be other types of bearing shafts 12. Specifically, as shown in fig. 17, in this embodiment, the tensioning shaft includes a driving rod 121, a pushing block 124 disposed on the driving rod 121, a tensioning sleeve 123 disposed on the periphery of the pushing block 124, and a tensioning block 122 radially slidably disposed on the tensioning sleeve 123, one side of the tensioning block 122 abuts against the pushing block 124, a spring (not shown) is interposed between the other side of the tensioning sleeve 123 and the tensioning mechanism 1, the first unwinding mechanism 1 further includes a third driving assembly 18 (see fig. 3), the third driving assembly 18 is configured to drive the driving rod 121 and the pushing block 124 to move along an axial direction of the tensioning shaft so as to expand or retract the tensioning block 122 on the tensioning shaft, the driving rod 121 moves leftward, the pushing block 124 abuts against the tensioning block 122 so that the tensioning block 122 moves radially outward and expands, the driving rod 121 moves rightward, the spring elastically presses the tensioning block 122 so that the tensioning block 122 moves radially inward and retracts, thereby achieving the effect of fixing the first material roll 101 on the tensioning shaft or loosening the first material roll 101. In this embodiment, "move left" and "move right" refer to "left" and "right" directions in fig. 17.

Specifically, as shown in fig. 3, the third driving assembly 18 is disposed on the rotating base 15, and includes a tightening cylinder fixing seat 181, a tightening cylinder 182, a driving block 183, a connecting head 184, and a roller 185, where the tightening cylinder 182 is disposed on the rotating base 15 through the tightening cylinder fixing seat 181, the driving block 183 is disposed at a driving end of the tightening cylinder 182, the connecting head 184 and the driving block 183 are disposed at one end of the tightening shaft in a matching manner, the driving block 183 is ㄈ -shaped, the driving block 183 has two opposite end portions, each end portion is rotatably disposed with the roller 185, the roller 185 is connected with the connecting head 184 in a clamping manner, and the connecting head 184 is disposed at one end of a driving rod 121 (see fig. 17) of the tightening shaft. Therefore, the tensioning cylinder 182 can drive the driving rod 121 of the tensioning shaft to move along the axial direction thereof so as to realize the expansion and retraction of the tensioning block 122 on the tensioning shaft, and meanwhile, the rotation of the tensioning shaft is not limited.

Specifically, as shown in fig. 3 and 5, the pushing mechanism 16 includes a pushing cylinder fixing seat 163, a pushing driving member 161, a pushing guide pillar 164, a pushing guide sleeve 165, a pushing plate 162, and a pushing guide pillar connecting block 166. The pushing cylinder fixing seat 163 is arranged on the mounting plate 10 (see fig. 1), the pushing driving member 161 is arranged on the pushing cylinder fixing seat 163, the pushing guide posts 164 are arranged in the pushing guide sleeves 165 in a sliding manner, the pushing guide sleeves 165 are arranged on the pushing cylinder fixing seat 163, and the pushing guide posts 164 are parallel to the driving direction of the pushing driving member 161. In this embodiment, the pushing driving member 161 is a cylinder. The pushing material driving member 161 drives the pushing plate 162 to push the first material roll 101 out of the carrying shaft 12, so as to facilitate quick discharging of the first material roll 101.

Preferably, as shown in fig. 2 and fig. 3, the rotating base 15 of the present embodiment is further provided with a cam groove plate 19, and the cam groove plate 19 is further provided with a cam groove 191 for serving as a connecting member of the driven deviation rectifying mechanism, so as to drive other components of the automatic reel changing mechanism 3 to perform driven deviation rectifying.

As shown in fig. 1, when the first unwinding mechanism 1 and the second unwinding mechanism 2 are used for alternately unwinding, the position of the discharged material belt changes, which easily causes the change of the position of the discharged material. In order to guarantee that the material area of automatic change of lap mechanism 3 output conveys to rubberizing mechanism 6 or conveys to next station along same direction, the utility model discloses set up guiding mechanism 5 in 3 low reaches of automatic change of lap mechanism to make the material area convey along same direction steadily.

Specifically, as shown in fig. 1, 6 and 7, the guide mechanism 5 includes first and second guide rollers 51 and 52, a moving plate 55 and a guide driving assembly, and the first and second guide rollers 51 and 52 are rotatably provided on first and second guide roller holders 53 and 54, respectively. The first guide roller holder 53 and the second guide roller holder 54 are provided on the moving plate 55. The guiding driving assembly comprises a guiding slide block 56, a guiding slide rail 57, a fixed plate 58, a driving block 59 and a guiding cylinder 50, wherein the moving plate 55 is arranged on the guiding slide block 56, the guiding slide block 56 is arranged on the guiding slide rail 57 in a sliding manner, the guiding slide rail 57 is arranged on the fixed plate 58, the guiding cylinder 50 is arranged on the other side of the fixed plate 58, the driving end of the guiding cylinder 50 is connected with the moving plate 55 through the driving block 59, the guiding cylinder 50 can drive the moving plate 55 to move left and right, so as to drive the first guiding roller 51 and the second guiding roller 52 to move left and right (see fig. 1, the direction of L1 is leftward, and the direction of L2 is rightward), when the first unwinding mechanism 1 is used for unwinding, the driving end of the guiding cylinder 50 retracts, the first guiding roller 51 moves towards the direction L1 of the second unwinding mechanism 2, so that the left side of the first material belt track discharged by the first material, when the driving end of the guiding cylinder 50 is extended, the second guiding roller 52 moves towards the direction L2 of the first unwinding mechanism 1, so that the right side of the second guiding roller 52 is tangent to the tape track discharged by the second material roll 201, so that the tape track discharged by the first material roll 101 and the tape track discharged by the second material roll 201 are overlapped after passing through the guiding mechanism 5, thereby ensuring that the tapes are output in the same direction.

The specific structure of the cutting mechanism 4 will be described in detail below with reference to specific views.

In an embodiment of the present invention, referring to fig. 1, 8 and 9, the cutting mechanism 4 is used for cutting off the material belt released by the work material roll in the first unwinding mechanism 1 and the second unwinding mechanism 2.

As shown in fig. 1, 8 and 9 in particular, the cutting mechanism 4 includes a first lifting assembly 41, a pressing assembly 43, a second lifting assembly 42, a cutter assembly 44 and a cutter translation assembly 45, wherein the pressing assembly 43 is disposed at a driving end of the first lifting assembly 41, so as to be close to and far away from the tape to be cut under the driving of the first lifting assembly 41, and is used for pressing the tape to be cut after being close to the tape to be cut; the second lifting assembly 42 is arranged at the driving end of the first lifting assembly 41 so as to synchronously move with the pressing assembly 43 under the driving of the first lifting assembly 41; the cutter assembly 44 is disposed at the driving end of the second lifting assembly 42, so as to move relative to the material strip to be cut under the driving of the second lifting assembly 42, and further cut the material strip to be cut pressed by the pressing assembly 43.

The cutter translation assembly 45 is used for driving the first lifting assembly 41 to translate between the first unwinding mechanism 1 and the second unwinding mechanism 2. Through setting up cutter translation subassembly 45, can make only set up one and cut mechanism 4 and just can cut the material area on first material book 101 or the second material book 201, and can be as required, move the arbitrary position between first unwinding mechanism 1 and the second unwinding mechanism 2 at automatic roll change mechanism 3 and can all realize cutting off at material area needs cutting off position department.

Specifically, the cutter translation assembly 45 includes a bottom plate 452, a slide rail 453 disposed on the bottom plate 452, a slide block 454 slidably connected to the slide rail 453, a slide seat 4518 disposed on the slide block 454, a fixed bracket 412 disposed on the slide seat 4518, and a translation driving member 451, where the translation driving member 451 is configured to drive the slide seat 4518 to move the fixed bracket 412 along the slide rail 453.

Preferably, the translational driving member 451 comprises a motor fixing base 4511, a motor 4512, a coupling 4513, a lead screw 4514, a lead screw supporting base 4515, a lead screw nut 4516, a driving block 4517 and a sliding base 4518, wherein the motor 4512 is arranged on the bottom plate 452 through the motor fixing base 4511, the motor 4512 is connected with one end of the lead screw 4514 through the coupling 4513, the lead screw 4514 is rotatably supported on the lead screw supporting base 4515, the lead screw nut 4516 is arranged on the lead screw 4514, the lead screw nut 4516 is connected with the sliding base 4518 through the driving block 4517, the sliding base 4518 is arranged on the sliding base 454, and the fixing bracket 412 is arranged on the sliding base 4518. The motor 4512 drives the screw 4514 to rotate to drive the fixing bracket 412 to move between the first unwinding mechanism 1 and the second unwinding mechanism 2.

The pressing assembly 43 comprises a supporting platform 431 and a pressing plate assembly 432, the supporting platform 431 is arranged at the driving end of the first lifting assembly 41, the pressing plate assembly 432 is arranged on the supporting platform 431 and can move in an opening and closing mode relative to the supporting platform 431, and then the material belt to be cut is pressed on the supporting platform 431 in a closing mode and released in an opening mode.

Specifically, the supporting platform 431 is configured to support a tape to be cut, when the second lifting assembly 43 is in a descending state, the cutter assembly 44 is located on a side of the supporting surface close to the first lifting assembly 41, and when the second lifting assembly 42 is in an ascending state, the cutter assembly 44 is at least partially moved to a side of the supporting surface far from the first lifting assembly 41.

As a preferred scheme, a slotting region 4311 allowing the cutter assembly 431 to pass through is arranged on the supporting platform 431, and the pressing plate assembly 432 can be matched with the supporting platform 431 to press the material belt to be cut on two sides of the slotting region 4311, so that the cutter assembly 44 moves to the side, far away from the first lifting assembly 41, of the supporting surface, and cuts the material belt to be cut with two pressed and fixed ends, thereby achieving more accurate cutting and better material belt cutting effect. Of course, in other embodiments, the slotted zone 4311 may not be provided, and the platen assembly 432 and the support platform 431 may be configured to press and fix one end of the tape to be cut.

Specifically, the pressing plate assembly 432 comprises a pressing plate 433, a swing arm 434 and a telescopic driving piece, the swing arm 434 is pivoted on the supporting platform 431, the pressing plate 433 is arranged at one end of the swing arm 434, a driving end and a fixed end of the telescopic driving piece are respectively hinged with the other end of the swing arm 434 and the supporting platform 431, the swing arm 434 is driven to rotate relative to the supporting platform 431 through telescopic action, and then the pressing plate 433 moves to open and close relative to the supporting platform 431. Specifically, in the present embodiment, the swing arm 434 is rotatably disposed on the supporting platform 431 through a rotating shaft 435, the telescopic driving member includes a hinge seat 437, a cylinder 436 and a hinge joint 438, the cylinder 436 is hinged on the hinge seat 437, and a driving end of the cylinder 436 is hinged on one end of the swing arm 434 through the hinge joint 438. In this embodiment, the cylinder 436 can drive the swing arm 434 to swing so as to drive the pressing plate 433 to press on the supporting platform 431, and by arranging the pressing plate assembly 432, the material belt can be pressed on the supporting platform 431, so that the problem that the material belt is difficult to cut off when the cutter 441 cuts the suspended material belt is avoided.

As a preferable scheme, in this embodiment, the number of the pressing plate assemblies 432 is four, wherein the four pressing plate assemblies 432 are divided into two groups, two groups of the pressing plate assemblies 432 are respectively disposed on two opposite sides of the supporting platform 431 along the width direction of the material strip to be cut, each group of the pressing plate assemblies 432 includes two pressing plate assemblies 432 disposed at intervals along the length direction of the material strip to be cut, and the cutter assembly 44 is disposed in the interval area of the two pressing plate assemblies 432 in each group of the pressing plate assemblies 432. The four pressing plate assemblies 432 are arranged, so that the material belts on two sides of the cutter assembly 44 can be fixed conveniently, meanwhile, the opening and closing running path of the pressing plate assemblies 432 is minimum, the material belts can be fixed conveniently, the material belts can be loosened conveniently, and meanwhile, the operation of other parts of the automatic roll changing device is not influenced. In other embodiments, there may be two pressure plate assemblies 432, which are respectively disposed on two sides of the cutter assembly 44, or the pressure plate assemblies 432 located on two sides of the cutter assembly 44 may be connected together at one end, and the number of the pressure plate assemblies 432 in this embodiment is not particularly limited.

The first lifting assembly 41 comprises a first lifting plate 411, a first guiding assembly 413 and a first lifting driving member 417, the first lifting driving member 417 is arranged on the fixed bracket 412, the fixed bracket 412 is arranged on the sliding seat 4518 of the translational driving member 451, the first lifting plate 411 is connected with the driving end of the first lifting driving member 417, and is driven by the first lifting driving member 417 to approach and separate from the fixed bracket 412, and the first lifting driving member 417 can adopt an air cylinder; the second lifting assembly 42 and the pressing assembly 43 are arranged on the first lifting plate 411, and specifically, the supporting platform 431 is arranged on the first lifting plate 411 through the connecting column 439; the first guiding assembly 413 includes a first guide sleeve 414 disposed on the fixed bracket 412 and a first guide post 415 disposed on the first lifting plate 411, wherein the first guide post 415 is disposed in the first guide sleeve 414 and can slide relative to the first guide sleeve 414 along an axial direction of the first guide post 415. Preferably, a first stopper 416 is disposed at an end of the first guide post 415 far away from the first lifting plate 411. In other embodiments, the first guide assembly 413 includes a first guide sleeve 414 and a first guide post 415, the first guide sleeve 414 may be disposed on the first lifting plate 411, and the first guide post 415 is disposed on the fixed bracket 412.

The second lifting assembly 42 includes a second lifting plate 421, a second guiding assembly 422 and a second lifting driving member 426, the second lifting driving member 426 is disposed on the first lifting plate 411, the second lifting plate 421 is connected to a driving end of the second lifting driving member 426, and is driven by the second lifting driving member 426 to approach and separate from the first lifting plate 411, and the second lifting driving member 426 may be an air cylinder; the cutter assembly 44 is disposed on the second lifting plate 421, and the second guiding assembly 422 includes a second guide sleeve 423 disposed on the first lifting plate 411 and a second guide post 424 disposed on the second lifting plate 421, wherein the second guide post 424 is disposed in the second guide sleeve 423 in a penetrating manner, and can slide relative to the second guide sleeve 423 along an axial direction of the second guide post 424. Preferably, a second stop block 425 is disposed at an end of the second guide post 424 away from the second lifting plate 421, in other embodiments, the second guide assembly 422 includes a second guide sleeve 423 and a second guide post 424, the second guide sleeve 423 may be disposed on the second lifting plate 421, and the second guide post 424 may be disposed on the first lifting plate 411. The cutter assembly 44 may be actuated to cut the strip of material by the provision of the second lifting assembly 42.

The cutter assembly 44 includes a cutter 441 and a cutter holder 442, and the cutter 441 is disposed on the second lifting plate 421 through the cutter holder 442.

Further, the cutting mechanism 4 further includes a dust removing assembly (not shown) for extracting dust generated by cutting the material belt. The dust removal assembly comprises a dust hood, the dust hood is connected with a vacuumizing device, the dust hood corresponds to a cutting area, and the vacuumizing device performs air draft on the dust hood to remove dust.

Specifically, in this embodiment, as shown in fig. 1, the automatic roll changing mechanism 3 includes a roll passing assembly 31, a roll passing translation assembly 32 and a rotation assembly 33, where the roll passing assembly 31 includes a first roll passing 311 and a second roll passing 312 which are arranged in parallel, a gap 313 exists between the first roll passing 311 and the second roll passing 312, and when the first roll 101 is in a use state (i.e. a work roll in a use state), the first tape released from the first roll 101 passes through the gap 313 and is wound on the first roll 311 and/or the second roll passing 312 respectively, so as to be tensioned by the first roll 311 and/or the second roll passing 312;

the roller translation assembly 32 is used for driving the roller assembly 31 to move between the first unwinding mechanism 1 and the second unwinding mechanism 2. In the embodiment, when the roll change is needed, the roller passing assembly 31 is driven to translate towards the second roll 201, so that the roller passing assembly 31 is close to the second roll 201;

the rotating assembly 33 is used for driving the roller assembly 31 to rotate so as to press the first material belt onto the second material belt 201 through the roller assembly 31, and thus the first material belt is jointed with the second material belt on the second material belt 201.

The rotating assembly 33 further drives the roller assembly 31 to rotate in reverse after the first and second tapes are joined, so that when the second roll 201 is in use (i.e. the working roll is in use), the second tape released from the second roll 201 passes through the gap 313 and is wound around the first and/or second rollers 311 and 312, respectively, and is tensioned by the first and/or second rollers 311 and 312.

In the present embodiment, the first roll 101 and the second roll 201 are wound around the first roller 311 and the second roller 312 in an S-shaped or reverse S-shaped manner. For example, when the first roll 101 is in use, the first material tape released from the first roll 101 extends from the side of the first roller 311 away from the first roll 101 through the gap 313 to the side of the second roller 312 facing the first roll 101, and is arranged in a reverse S shape. When the second material roll 201 is in the use state, the relative position relationship between the first roller 311 and the second roller 312 is exchanged with the relative position relationship when the first material roll 101 is in the use state, so that the second material belt released by the second material roll 201 extends from the side of the second roller 312 far away from the second material roll 201 to the side of the first roller 311 facing the second material roll 201 through the gap 313, and is arranged in an S shape.

The automatic roll changing mechanism 3 may further include a roll changing deviation rectifying mechanism, and the roll changing deviation rectifying mechanism is configured to drive the first passing roller 311 and the second passing roller 312 to translate along the axial direction of the first passing roller 311 and the second passing roller 312, so as to adjust the position of the first material strip or the second material strip along the width direction of the first material strip or the second material strip.

Specifically, as shown in fig. 10 and 11, a specific embodiment of the reel-changing mechanism will be described. In this embodiment, the reel change deviation rectifying mechanism is a driven deviation rectifying mechanism linked with the first unwinding mechanism 1 and/or the second unwinding mechanism 2.

The roller passing assembly 31 includes a first roller passing shaft 311, a second roller passing shaft 312, a rotating plate 314, a connecting member 317, a first roller passing shaft 318 and a second roller passing shaft 319, and the first roller passing shaft 311 and the second roller passing shaft 312 are rotatably supported on the rotating plate 314 by the first roller passing shaft 318 and the second roller passing shaft 319, respectively. One ends of the first and second passing roller shafts 318 and 319 are supported on the rotation plate 314, and the other end of the first passing roller shaft 318 and the other end of the second passing roller shaft 319 are connected by a connection 317.

The roller-passing translation assembly 32 comprises a translation motor 321, a transfer plate 322 and a translation screw rod assembly 323, wherein the translation motor 321 drives the transfer plate 322 to translate along the axial vertical direction of the first roller 311 and the second roller 312 through the translation screw rod assembly 323; specifically, in this embodiment, the translation motor 321 is fixed to the motor fixing seat 324, and the translation lead screw assembly 323 includes a belt pulley 3231, a belt pulley 3232, a belt 3233, a lead screw 3234, a lead screw nut 3235, a lead screw support 3236, a driving block 3237, a slider 3238 and a slide rail 3239, where the belt pulley 3231 is disposed at the driving end of the translation motor 321, the belt 3232 is disposed at one end of the lead screw 3234, the belt 3233 is connected between the belt pulley 3231 and the belt pulley 3232, the lead screw 3234 is rotatably disposed on the lead screw support 3236, the lead screw 3234 is provided with the lead screw nut 3235 in a matching manner, and the lead screw nut 3235 is provided; the sliding rail 3239 is parallel to the screw rod 3234, the sliding block 3238 is slidably disposed on the sliding rail 3239, the transfer board 322 is connected to the driving block 3237 and the sliding block 3238, and the translation motor 321 can drive the screw nut 3235 to drive the transfer board 322 to move between the first unwinding mechanism 1 and the second unwinding mechanism 2.

The driven deviation rectifying mechanism 34 comprises a fixed plate 341, a guide column sleeve 342 and a guide column 343, wherein the guide column sleeve 342 is fixed on the transfer plate 322, the guide column 343 is arranged in the guide column sleeve 342 in a penetrating manner and can slide relative to the guide column sleeve 342 along the axial direction of the guide column 343, the fixed plate 341 is fixed on the guide column 343, and the axial direction of the guide column 343 and the axial direction of the first roller 311 and the second roller 312 are parallel to each other;

the rotating assembly 33 includes a rotating motor 331 and a connecting shaft 332, the rotating motor 331 is fixed on the fixing plate 341 through a motor fixing seat 334, the connecting shaft 332 is inserted into the guide post 343 and can rotate around the axial direction of the guide post 343 relative to the guide post 343, the connecting shaft 332 connects the output shaft of the rotating motor 331 and the rotating plate 314, and the rotating motor 331 can drive the rotating plate 314 to rotate so as to drive the first passing roller 311 and the second passing roller 312 to rotate.

The fixed plate 341 is linked with the first unwinding mechanism 1 and/or the second unwinding mechanism 2, so as to drive the rotating motor 331, the guide post 343, the connecting shaft 332, the rotating plate 314, and the first passing roller 311 and the second passing roller 312 to slide relative to the guide post sleeve 342 along the axial direction of the guide post 343.

The driven deviation rectifying mechanism 34 further comprises a cam 344, a guide rod 345 and a guide rod sleeve 346, wherein the guide rod sleeve 346 is fixed on the fixed plate 341, the guide rod 345 is arranged in the guide rod sleeve 346 in a penetrating way and is fixed on the shifting plate, the guide rod 345 can slide relative to the guide rod sleeve 346 along the axial direction of the guide rod 345, the cam 344 is arranged on the fixed plate 341 through a cam seat 347 and is matched with a cam groove 191 (see fig. 2) on the first unwinding mechanism 1 or the second unwinding mechanism 2, and the axial direction of the guide rod 345 and the axial direction of the guide rod 343 are parallel to each other. The deviation of the material belt wound by the first roller 311 or/and the second roller 312 can be corrected by matching the first unwinding mechanism 1 or the second unwinding mechanism 2, namely, when the deviation of the first unwinding mechanism 1 or the second unwinding mechanism 2 is corrected, the automatic reel changing mechanism 3 can be driven to correct the deviation. The guide post 343 is prevented from rotating within the guide post sleeve 342 by the fixing plate 341, the guide rod 345 and the guide post sleeve 346.

Referring to fig. 12 and 13, another embodiment of the reel change mechanism is described, in this embodiment, the reel change deviation rectifying mechanism may also be an active deviation rectifying mechanism independent from the first unwinding mechanism 1 and/or the second unwinding mechanism 2 (i.e., the active deviation rectifying mechanism is not linked with the first unwinding mechanism 1 and/or the second unwinding mechanism 2), so that it is possible to realize independent deviation rectifying itself, and is not affected by the unwinding deviation rectifying of the first unwinding mechanism 1 or the second unwinding mechanism 2, thereby improving the deviation rectifying accuracy.

In this embodiment, the roller passing assembly 31 includes a first roller 311, a second roller 312, a fixed seat 316 and a turntable 315, the turntable 315 is rotatably supported on the fixed seat 316, the first roller 311 and the second roller 312 are respectively rotatably supported on the turntable 315 by a first roller shaft 318 and a second roller shaft 319, one end of the first roller shaft 318 and one end of the second roller shaft 319 are disposed on the turntable 315, and the other end of the first roller shaft 318 is connected to the other end of the second roller shaft 319 by a connecting member 317.

The roller-passing translation assembly 32 comprises a translation motor 321, a transfer plate 322 and a translation screw assembly 323, wherein the translation motor 321 drives the transfer plate 322 to translate along the axial direction perpendicular to the first roller 311 and the second roller 312 through the translation screw assembly 323. Specifically, as shown in fig. 12, the translation screw rod assembly 323 includes a screw rod (not shown), a screw rod support 3236, a screw rod nut 3235, a belt pulley 3231, a belt pulley 3232, a bottom plate 3230, a belt 3233, a slide rail 3239 and a slide block 3238, the translation motor 321 is disposed on the bottom plate 3230 through a motor fixing seat 324, the screw rod is rotatably supported on the screw rod support 3236, the screw rod support 3236 is disposed on the bottom plate 3230, the belt pulley 3231 is disposed on the translation motor 321, the belt pulley 3232 is disposed at one end of the screw rod, the belt 3233 is connected between the belt pulley 3231 and the belt pulley 3232, the screw rod nut 3235 is disposed on the screw rod, the slide rail 3239 is disposed on the bottom plate 3230, the slide rail 3239 is parallel to the screw rod, the screw rod is perpendicular to a plane where central axes of the first roller 311 and the second roller 312 are located, the slide block 32.

The active deviation rectifying mechanism 35 comprises a displacement motor 351, a sliding plate 352 and a displacement screw rod assembly 353, which are arranged on the moving plate 322, the displacement motor 351 drives the sliding plate 352 to translate along the axial direction of the first roller 311 and the roller 312 through the displacement screw rod assembly 353, and the fixed seat 316 is arranged on the sliding plate 352; specifically, the displacement motor 351 is disposed on the moving plate 322 through the motor fixing seat 356, a driving end of the displacement motor 351 is connected to the displacement screw rod assembly 353 through the coupling 357, the displacement screw rod assembly 353 includes a screw rod (not shown), a screw rod support 354, a screw rod nut 355, a slide rail 359 and a slide block 358, the screw rod is rotatably supported on the screw rod support 354, the screw rod is provided with the screw rod nut 355, the slide rail 359 is disposed on the moving plate 322, the slide block 358 is slidably disposed on the slide rail 359, one surface of the slide plate 352 is disposed on the slide block 358 and the screw rod nut 355, the other surface of the slide plate 352 is provided with the rotating assembly 33, the displacement screw rod assembly 353 is driven by the displacement motor 351 to move so as to drive the rotating assembly 33 and the roller passing assembly 31 to translate along the central axis of the first passing.

The rotating assembly 33 includes a rotating motor 331 and a connecting shaft 332, the rotating motor 331 is fixed on the fixing base 316, and the connecting shaft 332 connects the output shaft of the rotating motor 331 and the rotating disc 315 through a coupling 333. Specifically, as shown in fig. 16, in this embodiment, the fixing base 316 includes two fixing surfaces 3161 symmetrically disposed and a fixing column 3162 disposed between the two fixing surfaces 3161, the rotating motor 331 is fixed on one of the fixing surfaces of the fixing base 316, and is connected to one end of the connecting shaft 332 through the coupling 333, and the other end of the connecting shaft 332 penetrates through the other fixing surface to be connected to the rotating disc 315. The fixing seat 316 in this embodiment can ensure the stability of the installation of the first roller 311 and the second roller 312.

The automatic roll changing step comprises:

(1) when the first detection mechanism 91 detects that the work material roll on the first unwinding mechanism 1 is about to be used up, the first passing roller 311 and the second passing roller 312 of the automatic roll changing mechanism 3 move towards the direction L1 of the second unwinding mechanism 2 and rotate clockwise R1 by a certain angle, so that the first passing roller 311 abuts against the standby material roll on the second unwinding mechanism 2, and the starting ends of the material strip released by the work material roll and the standby material roll are adhered.

(2) The cutting blade 441 of the cutting mechanism 4 moves upward L3 to cut the material tape released from the work material roll, and it should be noted that the step of cutting the material tape released from the work material roll may occur before the first passing roller 311 abuts against the backup material roll on the second unwinding mechanism 2, or may occur after the first passing roller 311 abuts against the backup material roll on the second unwinding mechanism 2.

(3) The first passing roller 311 and the second passing roller 312 of the automatic roll changing mechanism 3 move towards the direction L2 of the first unwinding mechanism 1, so that the first passing roller 311 and the second passing roller 312 of the automatic roll changing mechanism 3 are separated from the standby material roll on the second unwinding mechanism 2, and the first passing roller 311 and the second passing roller 312 of the automatic roll changing mechanism 3 rotate counterclockwise by a certain angle, so that the released material strip winds around the first passing roller 311 and the second passing roller 312.

(4) The guide mechanism 5 moves closer to the first unwinding mechanism 1 in the direction L2 so that the second guide roller 52 guides the tape released from the stock roll.

Referring to fig. 1, 14 and 15, the specific structure of first and second film tearing mechanisms 7 and 8 will be described in detail. Since the first film tearing mechanism 7 and the second film tearing mechanism 8 have the same structure, the first film tearing mechanism 7 will be described as an example. The first unwinding mechanism 1 is used for bearing a first material roll 101, the first material roll 101 comprises a first material belt, a double-faced adhesive tape attached to the first material belt and a barrier paper attached to the double-faced adhesive tape, and when a roll needs to be changed, the barrier paper of the first material roll 101 placed on the first unwinding mechanism 1 needs to be torn off.

Specifically, the first film tearing mechanism 7 includes a seat translation assembly 71, a seat 72, a first clamping assembly 73, a separating rod translation assembly 74 and a separating rod 75, wherein the seat 72 is disposed at a driving end of the seat translation assembly 71, the first clamping assembly 73, the separating rod translation assembly 74 and the separating rod 75 are disposed on the seat 72, the seat translation assembly 71 drives the seat 72 to move towards the first material roll 101, the first clamping assembly 73 clamps a first end of the release paper, the separating rod 75 is disposed between the double-sided adhesive tape and the release paper, and the separating rod translation assembly 74 drives the separating rod 75 to move from the first end of the release paper to a second end of the release paper opposite to the first end, so as to separate the release paper from the double-sided adhesive.

In a specific implementation, the carriage translation assembly 71 drives the carriage 72 away from the first material roll 101 after the first clamping assembly 73 clamps the first end of the release paper, so that the release paper is torn away from the double-sided adhesive tape by a certain distance through the first clamping assembly 73, and the separation rod 75 is used for separating the release paper from the remaining attached portion of the double-sided adhesive tape.

In this embodiment, the first film tearing mechanism 7 further comprises a first detection assembly 76, in this embodiment, the first detection assembly 76 is disposed on the first detection assembly support 761, and the first detection assembly 76 is configured to detect the diameter of the first material roll 101, so as to control the moving distance of the carriage translation assembly 71 driving the carriage 72 according to the diameter of the first material roll 101, so that the first clamping assembly 73 moves to reach the outermost layer of the first material roll 101, and the release paper is disposed on the outermost layer of the first material roll 101.

In this embodiment, the first film tearing mechanism 7 further includes a second detecting component 77, in this embodiment, the second detecting component 77 is disposed on the second detecting component support 771, the first unwinding mechanism 1 drives the first material roll 101 to rotate, and the second detecting component 77 is configured to detect whether the first end of the release paper enters the clamping range of the first clamping component 73 during the rotation of the first material roll 101, so as to control the first material roll 101 to stop rotating after the first end of the release paper enters the clamping range of the first clamping component 73, and control the first clamping component 73 to clamp the first end of the release paper.

Specifically, the first clamping assembly 73 includes a fixed clamping block 731, a first movable clamping block 732 and a first clamping driving member 733, the first clamping driving member 733 is disposed on the holder 72 through a fixing seat 734, the first movable clamping block 732 is disposed at a driving end of the first clamping driving member 733, the fixed clamping block 731 is fixedly disposed relative to the holder 72, and further cooperates with the first movable clamping block 732 to clamp the first end of the release paper.

The bearing translation assembly 71 comprises a bearing motor 711, a bearing sliding rail 713, a bearing sliding block 714 and a screw rod mechanism 715, wherein the bearing sliding block 714 is slidably connected to the bearing sliding rail 713, the bearing 72 is arranged on the bearing sliding block 714, the bearing motor 711 is arranged on the mounting plate 10 (see fig. 1) through a motor fixing seat 712, and the bearing motor 711 drives the bearing 72 to move along the bearing sliding rail 713 through the screw rod mechanism 715; specifically, the screw mechanism 715 includes a belt pulley 7151, a belt 7153, a belt pulley 7152, a screw 7154, a screw supporting seat (not shown) and a screw nut (not shown), the belt pulley 7151 is disposed at a driving end of the socket motor 711, the screw 7154 is rotatably supported on the screw supporting seat, the belt pulley 7152 is disposed at one end of the screw 7154, the belt 7153 is connected between the belt pulley 7151 and the belt pulley 7152, the screw nut is disposed on the screw 7154, the screw 7154 is parallel to the socket sliding rail 713, and the socket 72 is disposed on the socket slider 714 and the screw nut. The carriage translation assembly 71 in this embodiment is used to drive the carriage 72, the first clamping assembly 73, the first detecting assembly 76 and the second detecting assembly 77 to move toward the first roll 101 or away from the first roll 101.

The separation rod translation assembly 74 includes a separation rod motor 741, a separation rod slide rail 744, a separation rod slider 743, two belt pulleys 745 and 748 arranged at intervals and a belt 746 wound on the two belt pulleys 745 and 748, wherein the separation rod motor 741 is disposed on the bearing 72 through a motor fixing seat 742, the belt pulley 748 is connected to a driving end of the separation rod motor 741, the belt pulley 745 is disposed on the bearing 72 through a belt pulley mounting block 747, the separation rod slide rail 744 is disposed on the bearing 72, the separation rod slider 743 is slidably connected to the separation rod slide rail 744, the separation rod 75 is disposed on the separation rod slider 743, the separation rod slider 743 is connected to the belt 746, and the separation rod motor 741 drives the separation rod slider 743 to move along the separation rod slide rail 744 through the belt pulleys 745, 748 and the belt 746. Wherein, the clamp block 751 is connected on one side of belt 746, sets up separation lever fixed block 752 on the clamp block 751, sets up the separation lever 75 on the separation lever fixed block 752. Further, the separation rod fixing block 752 is disposed on the separation rod slider 743; thus, the separation rod motor 741 drives the pulley 748 to rotate so as to drive the belt 746 to move, and further drive the separation rod 75 to move along the separation rod slide rail 744. In this embodiment, the setting direction of the separation rod slide rail 744 is perpendicular to the moving direction of the seat translation assembly 71, and the separation rod slide rail 744 is parallel to one side of the belt 746, so that the moving direction of the separation rod 75 is perpendicular to the moving direction of the seat translation assembly 71, and the effect of mutually combining and tearing off the isolation paper is achieved.

The first film tearing mechanism 7 further comprises a second clamping assembly 78, and the second clamping assembly 78 is used for clamping the second end of the release paper after the release paper is separated from the double-faced adhesive by the separating rod 75.

The second clamping assembly 78 includes a second movable clamping block 781 and a second clamping driving member 782, the second clamping driving member 782 is disposed on the socket 72 through the fixing seat 783, and the second movable clamping block 781 is disposed at a driving end of the second clamping driving member 782, and further cooperates with the separating rod 75 to clamp the second end of the release paper. Specifically, the second clamping assembly 78 is disposed at an end of the seat 72 far from the first clamping assembly 73, and when the separating rod 75 moves to an end of the seat 72 far from the first clamping assembly 73, the second clamping driving member 782 drives the second movable clamping block 781 to cooperate with the separating rod 75 to clamp the release paper, so that the release paper is clamped between the two clamping assemblies for recycling.

The first end and the second end of the release paper are disposed opposite to each other along the width direction of the tape, the direction of movement of the carriage 72 driven by the carriage translation assembly 71 and the direction of movement of the release rod 75 driven by the release rod translation assembly 74 are perpendicular to each other, so that the carriage 72 driven by the carriage translation assembly 71 moves toward the first roll 101, and the release rod translation assembly 74 drives the release rod 75 to move along the width direction of the first roll 101 to tear the release paper.

Specifically, in this embodiment, the step of tearing the release paper by the first film tearing mechanism 7 is as follows:

(1) the first detection assembly 76 detects the diameter of the first material roll 101, and the carriage translation assembly 71 drives the carriage 72 to move towards the first unwinding mechanism 1 until the position of the outermost layer of the first material roll 101 is reached, at this time, the first clamping assembly 73 and the release paper are located on the same circumference;

(2) the first unwinding mechanism 1 drives the first material roll 101 to rotate, and the second detecting component 77 detects the position of the release paper, at this time, the release paper is located at the clamping position of the first clamping component 73.

(3) The first clamping assembly 73 clamps one end of the release paper, and the carriage translation assembly 71 drives the carriage 72 to move a small distance away from the first unwinding mechanism 1 to tear a portion of the release paper.

(4) The separating rod 75 is located between the double-sided adhesive tape and the isolation paper, the separating rod translation assembly 74 drives the separating rod 75 to move from one end of the isolation paper to the other end of the isolation paper, the effect of separating the isolation paper is achieved, and the second clamping assembly 78 is matched with the separating rod 75 to clamp the isolation paper for recycling.

In one embodiment of the present invention, as shown in fig. 1 and 16, the automatic roll changing device includes a tape applying mechanism 6, the tape applying mechanism 6 is disposed downstream of the guiding mechanism 5 and is used for applying a tape at a joint position of a tape released from the work material roll and a tape released from the standby material roll, specifically, the tape applying mechanism 6 includes a mounting seat 61, a seat 62, a tape clamping assembly 63, a seat driving assembly 64, a tape pressing assembly 65 and a tape cutting assembly 67, wherein a bearing position is disposed on the mounting seat 61 and is used for placing a tape reel 66, so that the tape reel 66 can be rotatably disposed on the mounting seat 61. The socket 62 is disposed on the mounting seat 61 and is capable of moving in a first direction D1 relative to the mounting seat 61; the first direction D1 in this embodiment is along the width direction of the tape.

Preferably, in this embodiment, a roller 661 is disposed on the mounting seat 61 for tensioning the adhesive tape released from the adhesive disk 66.

The adhesive clamping assembly 63 is arranged on the bearing seat 62 and is used for clamping the adhesive tape released by the adhesive disc 66; the carriage driving assembly 64 is disposed on the mounting base 61 and is configured to drive the carriage 62 to move along a first direction D1 from the first end to the second end of the mounting base 61, so as to pull the tape through the tape clamping assembly 63, and thus cover the tape at a joint position of the tape released from the work roll and the tape released from the standby roll. Specifically, in this embodiment, the first end of the mounting seat 61 is the end of the mounting seat 61 where the rubber plate 66 is placed, and the second end of the mounting seat 61 is the other end of the mounting seat 61 parallel to the width direction of the material tape.

Specifically, in the present embodiment, the socket driving assembly 64 includes a motor 641, a motor holder 642, a coupler 643, a lead screw holder 644, a lead screw 645, a lead screw nut (not shown), a guide rail 646, and a guide block (not shown). The motor 641 is disposed on the mounting base 61 through the motor fixing base 642, a driving end of the motor 641 is connected with one end of the screw 645 through the coupling 643, the screw 645 is rotatably disposed on the screw support 644, the screw support 644 is disposed on the mounting base 61, the screw nut is matched with the screw 645 and sleeved on the screw 645, the guide rail 646 is parallel to the screw 645, the guide rail 646 is disposed on the mounting base 61, the guide block is slidably disposed on the guide rail 646, and the bearing 62 is disposed on the guide block and the screw nut, so that the motor 641 can drive the screw 645 to rotate to drive the bearing 62 to move.

Specifically, in this embodiment, the clamping assembly 63 includes a clamping plate 631, a clamping block 632, and a clamping block driving assembly 633, a through hole is provided on the clamping plate 631 for allowing the adhesive tape to pass through the through hole, the clamping block 632 is at least partially disposed in the through hole, and the clamping block driving assembly 633 drives the clamping block 632 to move along a second direction D2 perpendicular to the first direction D1, so that the clamping block 632 cooperates with a sidewall of the through hole to clamp or release the adhesive tape. In this embodiment, the clamp block 632 is L-shaped, wherein a portion of the clamp block is disposed in the through hole, and another portion of the clamp block is disposed outside the through hole and connected to the driving end of the clamp block driving component 633. Specifically, in this embodiment, the clamping block driving assembly 633 comprises a clamping air cylinder 6331, a clamping slider 6333 and a clamping slide rail 6332, the clamping slide rail 6332 is disposed along the second direction D2, the clamping slider 6333 is slidably connected to the clamping slide rail 6332, the clamping block 632 is fixed on the clamping slider 6332, and the driving end of the clamping air cylinder 6331 drives the clamping block 632 to slide along the second direction D2.

The glue pressing assembly 65 is disposed on the holder 62, wherein after the adhesive tape covers the splice, the glue pressing assembly 65 presses the adhesive tape onto the material tape, the glue clamping assembly 63 releases the adhesive tape, and the holder driving assembly 64 further drives the holder 62 to move from the second end to the first end of the mounting base 61 along the first direction D1 (i.e., as shown in fig. 16, the holder driving assembly 64 drives the holder 62 to move from top to bottom), so that the adhesive tape is gradually attached to the material tape along the splice by the glue pressing assembly 65.

Specifically, the pressing assembly 65 includes a pressing roller 651 and a second pressing roller driving assembly 653, and the second pressing roller driving assembly 653 drives the pressing roller 651 to move along a second direction D2 perpendicular to the first direction D1, so as to press and hold the adhesive tape on the tape by the pressing roller 651.

Preferably, the pressing assembly 65 further includes a first pressing roller driving assembly 652, and the first pressing roller driving assembly 652 drives the pressing roller 651 and the second pressing roller driving assembly 653 to move along the first direction D1 toward the first end of the mounting base 61, so that the pressing roller 651 is disposed to overlap the material tape along the first direction D1. In this embodiment, second roller drive assembly 653 is provided at the drive end of first roller drive assembly 652, roller block 654 is provided at the drive end of second roller drive assembly 653, and roller 651 is rotatably provided on roller block 654.

Preferably, the adhesive tape clamping assembly 63 clamps the adhesive tape again after the adhesive tape pressing assembly 65 fits the adhesive tape with a certain length to the material tape, and the adhesive tape cutting assembly 67 is used for cutting the adhesive tape between the adhesive tape clamping assembly 63 and the material tape. Specifically, the glue cutting assembly 67 includes a cutter 671, a cutter seat 672 and a glue cutting cylinder 673, the cutter 671 is disposed at an output end of the glue cutting cylinder 673 through the cutter seat 672, and the glue cutting cylinder 673 drives the cutter 671 to move along a second direction D2 perpendicular to the first direction D1.

The tape pasting mechanism 6 further comprises a carrier plate 69 and a carrier plate driving assembly 60, the carrier plate 69 and the carrier plate driving assembly 60 are disposed on the supporting seat 62, the tape clamping assembly 63 and the tape cutting assembly 67 are disposed on the carrier plate 69, the carrier plate driving assembly 60 drives the carrier plate 69 to move along a second direction D2 perpendicular to the first direction D1, so that when the tape is cut by the tape cutting assembly 67, the tilting angle of the tape relative to the tape is smaller than a preset threshold value, the tape is convenient to cut, and the tape pasting effect is better.

The first pressing roller driving assembly 652 further drives the pressing roller 651 and the second pressing roller driving assembly 653 to move toward the second end of the mounting base 61 in the first direction D1 before the adhesive tape is cut by the adhesive tape cutting assembly 67, thereby reserving a movement space between the adhesive tape pressing assembly 65 and the adhesive tape clamping assembly 63 for cutting the adhesive tape cutting assembly 67.

After the adhesive tape cutting assembly 67 finishes cutting the adhesive tape, the first pressing roller driving assembly 652 or the socket driving assembly 64 further drives the pressing roller 651 to move toward the first end of the mounting seat 61 along the first direction D1, so as to continuously attach the cut tape to the tape.

The tape adhering mechanism 6 further comprises a mounting seat driving assembly 68, wherein the mounting seat 61 is slidably disposed on the mounting plate 10, and the mounting seat driving assembly 68 drives the mounting seat 61 to move relative to the mounting plate 10 along a second direction D2 perpendicular to the first direction D1 to approach or separate from the tape. When the roll needs to be automatically changed, the driving cylinder 681 drives the mounting seat 61 to move towards the material belt; when the automatic roll change is not required, the driving cylinder 681 drives the mounting seat 61 away from the tape.

Specifically, in this embodiment, the mount driving assembly 68 includes a driving cylinder 681, a driving cylinder fixing base 682, a slider 684, and a slide rail 685, wherein the slide rail 685 is disposed on one side of the mounting plate 10 along the second direction D2, the mount 61 is slidably disposed on the slide rail 685 through the slider 684, the driving cylinder 681 is disposed on the other side of the mounting plate 10 through the driving cylinder fixing base 682, and a driving end of the driving cylinder 681 is connected to the mount 61 through a driving block 683, so that the driving cylinder 681 can drive the mount 61 to move along the second direction D2.

Specifically, in this embodiment, the mounting base 61 includes a supporting plate 601 thereon, which is used to cooperate with the glue pressing assembly 65 to press the pressing roller 651 on the supporting plate 601.

The rubberizing step of rubberizing mechanism 6 is:

(1) the bearing seat 62 is located at the first end of the mounting seat 61 near the rubber disc 66, and the clamping driving assembly 633 drives the clamping block 632 to cooperate with the clamping plate 631 to clamp the end of the adhesive tape.

(2) The carriage drive assembly 64 drives the carriage 62 in the first direction D1 toward the other end of the mount 61, pulling tape from the tape reel 66 until the carriage 62 moves to the other end.

(3) The first pressing roller driving assembly 652 drives the pressing roller 651 and the second pressing roller driving assembly 653 to move toward the first end of the mounting base 61 along the first direction D1, so that the pressing roller 651 is overlapped with the tape along the first direction D1.

(4) The second pressing roller driving assembly 653 drives the pressing roller 651 to move along a second direction D2 perpendicular to the first direction D1, so that the pressing roller 651 presses the adhesive tape onto the tape, and the adhesive tape clamping assembly 63 releases the adhesive tape.

(5) The carriage drive assembly 64 drives the carriage 62 to move toward one end of the mounting base 61 near the rubber disc 66 to gradually press the adhesive tape against the material tape from the other end of the mounting base 61 toward one end until the carriage 62 moves to one end of the mounting base 61 near the rubber disc 66.

(6) The nip drive assembly 633 drives the nip block 632 to engage the nip plate 631 to nip the tape, and the first press roller drive assembly 652 drives the press roller 651 away from the nip plate 631. Preferably, the carrier driving assembly 60 drives the carrier 69 to move in the second direction D2 so that the lower end of the tape is straight, which facilitates the cutting blade 671 to cut the tape. Because the end of the tape adjacent to the clamp plate 631 is arched. The cutter 671 is driven by the glue cutting cylinder 673 to cut off the adhesive tape, and then the cutter 671 is driven by the glue cutting cylinder 673 to return to the original position.

(7) The shoe drive assembly 64 drives the shoe 62 to continue moving downward to press the lower end of the tape against the web, and then the second pressure roller drive assembly 653 drives the pressure roller 651 back into position. Or the first press roller driving assembly 652 drives the press roller 651 to move towards one end of the mounting seat 61 to press the adhesive tape on the material belt, then the first press roller driving assembly 652 drives the press roller 651 to restore to the original position, and the second press roller driving assembly 653 drives the press roller 651 to restore to the original position.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a cut mechanism, its characterized in that, it includes to cut the mechanism:

a first lifting assembly;

the pressing assembly is arranged at the driving end of the first lifting assembly, is driven by the first lifting assembly to be close to and far away from a material belt to be cut, and is used for pressing the material belt to be cut after being close to the material belt to be cut;

the second lifting assembly is arranged at the driving end of the first lifting assembly and driven by the first lifting assembly to synchronously move along with the pressing assembly;

and the cutter assembly is arranged at the driving end of the second lifting assembly and used for moving relative to the pressing assembly under the driving of the second lifting assembly so as to cut the material belt to be cut pressed by the pressing assembly.

2. The cutting mechanism according to claim 1, wherein the pressing assembly comprises a supporting platform and a pressing plate assembly, the supporting platform is arranged at the driving end of the first lifting assembly, the pressing plate assembly is arranged on the supporting platform and can perform opening and closing movements relative to the supporting platform, so that the material belt to be cut is pressed on the supporting platform in a closed state, and the material belt to be cut is released in an open state.

3. The cutting mechanism according to claim 2, wherein the pressing plate assembly comprises a pressing plate, a swinging arm and a telescopic driving member, the swinging arm is pivoted on the supporting platform, the pressing plate is arranged at one end of the swinging arm, two ends of the telescopic driving member are respectively hinged with the other end of the swinging arm and the supporting platform, and the swinging arm is driven to rotate relative to the supporting platform through telescopic action, so that the pressing plate can be opened and closed relative to the supporting platform.

4. The cutting mechanism according to claim 2, wherein the number of the platen assemblies is four, four of the platen assemblies are divided into two groups, two groups of the platen assemblies are respectively arranged on two opposite sides of the supporting platform along the width direction of the material belt to be cut, each group of the platen assemblies comprises two platen assemblies arranged at intervals along the length direction of the material belt to be cut, and the cutter assembly is arranged in the interval area of the two platen assemblies in each group of the platen assemblies.

5. The cutting mechanism of claim 2, wherein the support platform supports the strip of material to be cut, the second lifting assembly is configured to move in a downward direction to move the cutter assembly to a side of the support surface adjacent to the first lifting assembly, and the second lifting assembly is configured to move in an upward direction to move the cutter assembly at least partially to a side of the support surface away from the first lifting assembly.

6. The cutting mechanism of claim 1 further comprising a cutter translation assembly for driving the first, second and cutter assemblies in translation.

7. The cutting mechanism of claim 6, wherein the cutter translation assembly includes a base plate, a slide rail disposed on the base plate, a slide block slidably coupled to the slide rail, a fixed bracket disposed on the slide block, and a translation drive member for driving the slide block to move along the slide rail.

8. The cutting mechanism of claim 7, wherein the first lifting assembly includes a first lifting plate, a first guiding assembly and a first lifting driving member, the first lifting driving member is disposed on the fixed bracket, the first lifting plate is connected to a driving end of the first lifting driving member and is driven by the first lifting driving member to approach and separate from the fixed bracket, and the second lifting assembly and the pressing assembly are disposed on the first lifting plate.

9. The cutting mechanism of claim 8, wherein the second lifting assembly includes a second lifting plate, a second guiding assembly and a second lifting driving member, the second lifting driving member is disposed on the first lifting plate, the second lifting plate is connected to a driving end of the second lifting driving member and is driven by the second lifting driving member to approach and be away from the first lifting plate, and the cutter assembly is disposed on the second lifting plate.

10. An automatic roll changing device, characterized in that, the cutting mechanism comprises any one of the cutting mechanisms of claims 1 to 9, and further comprises a first unwinding mechanism, a second unwinding mechanism and an automatic roll changing mechanism, the first unwinding mechanism and the second unwinding mechanism are arranged at intervals, and is used for respectively bearing a first material roll and a second material roll, the automatic roll changing mechanism and the cutting mechanism are arranged between the first unwinding mechanism and the second unwinding mechanism, the automatic roll changing mechanism is used for pressing the material belt released by the working material roll in the use state in the first material roll and the second material roll onto the standby material roll in the first material roll and the second material roll when roll changing is needed, and the material belt released by the working material roll and the material belt on the standby material roll are mutually jointed, and the cutting mechanism is used for cutting off the material belt released by the working material roll.

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