CN221247082U - Cutting device - Google Patents

Abstract

The utility model belongs to the technical field of material belt cutting, and particularly relates to a cutting device for cutting small hardware materials from a material belt. The utility model provides a cutting device, includes base, riser, is used for accepting the material area track mechanism homonymy of material area track mechanism is provided with including rotating the feed mechanism of needle wheel, swage roller assembly who connects on the riser, cuts the mechanism including setting up the drive assembly of material area track mechanism below the lower cut-off knife of vertical setting on drive assembly's the driving medium the last fixed connection's of material area track mechanism last cut-off knife, lower cut-off knife can reciprocate from top to bottom and can cut off the five metals material from the material area with last cut-off knife cooperation, and actuating mechanism includes pay-off drive assembly and cuts drive assembly. The utility model cuts the small hardware upwards, and has stable feeding, high cutting precision and high cutting efficiency.

Description

Cutting device

Technical Field

The utility model belongs to the technical field of material belt cutting, and particularly relates to a cutting device for cutting small hardware materials from a material belt.

Background

The production mode of the metal strip 11 generally adopts a continuous die blanking mode, the metal strip 11 obtained by adopting the mode is a strip-shaped or coil-shaped strip 1, and the strip 1 is formed into the metal strip 11, the hollow structure 12 and the positioning hole 13 which are connected with the strip 1 through a continuous die punching and cutting process.

After the plating of the small pieces of metal material 11 on the tape 1, they are cut from the tape 1 and loaded into a carrier tape. Because the manual efficiency is lower, current large batch cuts the process and adopts automatic cutting equipment in many ways, through the defeated material area of pulling force mechanism promptly, adopts cutting die to take down from material area 1 to little five metals material 11, also has through semi-automatic equipment, and a V type groove is pre-pressed in material area 1 and little five metals material 11 junction, rolls over the five metals product from the material area again to put little five metals material 11 and accomplish the braid in the carrier band. The cutting mode has the following problems: 1. the conveying of the material belt can not meet the requirement of high-speed stable conveying, so that the cutting precision is reduced; 2. on the cutting of the small hardware material 11, if a cutting die is adopted, the cutting precision is low and the cutting efficiency is low; if the pre-pressing V-shaped groove is adopted, the manufacturing difficulty is increased in the process, and the production efficiency is reduced.

Therefore, there is a need to design a cutting device which can stop at each feeding distance (pitch) and cut the metal material 11 upward, and has stable feeding, high cutting precision (repeated cutting precision reaches 0.02 mm) and high cutting efficiency.

Disclosure of utility model

In order to solve the technical problems in the prior art, the application provides the cutting device which is used for cutting the small hardware upwards, and has the advantages of stable feeding, high cutting precision and high cutting efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a cutting device, includes the base and is in riser that sets up on the base still includes:

material belt track mechanism: the vertical plate is arranged at one side of the vertical plate and is used for receiving a material belt;

And a feeding mechanism: the needle wheel is rotatably connected to the vertical plate, and the pressing roller assembly is arranged on the vertical plate above the needle wheel;

And a cutting mechanism: the device comprises a transmission assembly arranged below the material belt track mechanism, a lower cutter vertically arranged on a transmission part of the transmission assembly, and an upper cutter fixedly connected to the material belt track mechanism, wherein the lower cutter can reciprocate up and down and can be matched with the upper cutter to cut off a small hardware material from a material belt;

A driving mechanism: the needle wheel cutting machine comprises a feeding driving assembly for driving the needle wheel to rotate and a cutting driving assembly for driving the transmission assembly to enable the lower cutter to reciprocate up and down.

Preferably, the feeding driving assembly is a double-output-shaft type feeding stepping motor, and the cutting driving assembly comprises a double-output-shaft type cutting stepping motor and a speed reducer; and the feeding stepping motor and the cutting stepping motor are respectively and fixedly connected with a feeding shading sheet and a cutting shading sheet on rear shafts thereof, and the feeding shading sheet and the cutting shading sheet are respectively arranged in the corresponding groove-type photoelectric sensor in a penetrating way.

Preferably, the transmission assembly comprises a needle roller assembly fixedly connected to the upper end face of the base, a guide post longitudinally sliding in the needle roller assembly and a connecting rod mechanism respectively connected with the cutting driving assembly and the guide post, the lower cutter is fixedly connected to the top end of the guide post, and the cutting driving assembly drives the guide post and the lower cutter to reciprocate up and down through the connecting rod mechanism.

Preferably, the needle roller assembly comprises a support fixedly connected to the base, a mounting seat fixedly connected to the support, a guide sleeve vertically and fixedly embedded in the mounting seat, and a bushing fixedly embedded in the guide sleeve, and the guide post is slidably arranged in the bushing in a penetrating manner.

Preferably, the material belt track mechanism comprises a track plate fixedly connected to the upper end of the mounting seat and two pressing plates fixedly connected to the upper end face of the track plate along the conveying direction of the material belt, and gaps for the material belt to pass through are reserved between the track plate and the two pressing plates respectively.

Preferably, an upper cutter holder is fixedly connected to the vertical plate, and the upper cutter is horizontally and fixedly arranged in the upper cutter holder in a penetrating manner perpendicular to the conveying direction of the material belt.

Preferably, the top end of the guide post is fixedly connected with a lower cutter seat, the lower cutter is vertically and fixedly embedded in the lower cutter seat, two guide pins are vertically and fixedly embedded in the lower cutter seat, and the two guide pins can be simultaneously penetrated in two adjacent positioning holes of the material belt.

Preferably, the feeding mechanism further comprises a supporting wheel coaxially arranged with the pinwheel and used for supporting the material belt.

Preferably, the vertical plate further comprises a pressing shaft fixedly connected to the vertical plate.

Preferably, a rolling shaft is rotatably connected to the vertical plate between the pressing shaft and the cutting mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

According to the automatic conveying device, the feeding mechanism, the cutting mechanism and the driving mechanism are arranged, so that automatic conveying of the material belt can be realized by rotating the pinwheel, automatic, stable and high-speed conveying of the material belt can be realized, and the cutting efficiency and the cutting precision of the small hardware materials can be improved by arranging the upper cutting knife and the lower cutting knife in a staggered manner; by adopting a stepping motor to drive the feeding mechanism and the cutting mechanism and arranging the photoelectric sensor and the shading sheet, the small hardware material can be cut upwards when each conveying distance is stopped, so that the cutting automation and the cutting precision are improved, and the cutting section of the material belt is positioned at a set position after the original point is found again after each material change, namely the guide pin can be positioned; the up-and-down motion of the lower cutter is provided with repeated positioning precision by the rigid needle roller assembly, and the cutting precision of 0.02mm can be achieved when the upper cutter is cut by the upper weight reconsider. Compared with the existing cutting process of the pre-pressed V-shaped groove, the manufacturing difficulty is reduced in the process, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a material tape to be cut according to the present utility model.

Fig. 2 is a schematic view of the overall structure of the first view of the present utility model in use.

Fig. 3 is a schematic diagram of the overall structure of a second view of the present utility model in use.

Fig. 4 is a schematic front view of the structure based on fig. 2.

Fig. 5 is a schematic diagram of a connection structure of the feeding mechanism, the cutting mechanism and the driving mechanism of the present utility model.

Fig. 6 is an enlarged schematic view of the structure at a in fig. 5.

Fig. 7 is an enlarged schematic view of the structure at B of fig. 5.

Fig. 8 is a schematic diagram of a connection structure between a pinwheel and a supporting wheel according to the present utility model.

Fig. 9 is a schematic view showing a half-cut structure of a cutting mechanism of the present utility model.

In the figure, 1, a material belt, 11, a small hardware material, 12, a hollowed-out structure, 13 and a positioning hole;

21. a base, a 22 and a vertical plate,

31. Pin wheel 311, needle-shaped bulges 32, pressing roller components 321, pressing rollers 33 and supporting wheels,

41. A lower cutter 42, an upper cutter 43, a guide post 44 and an upper cutter holder,

51. A feeding step motor (52), a cutting step motor (53), a speed reducer (54), a connecting rod mechanism (55), a lower cutter holder (551), a guide pin (56), a support (57), a mounting seat (58), a guide sleeve (59) and a bushing,

61. The track plate, 62, the pressure plate,

71. A pressing shaft, 72 and a rolling shaft,

81. Feeding shading sheet, 82, cutting shading sheet, 83, photoelectric sensor,

9. A suction nozzle mechanism.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 2 to 9, a cutting device includes a base 21 horizontally disposed, a vertical plate 22 vertically disposed on the base 21 and fixedly connected with the base by bolts, and a material belt track mechanism, a feeding mechanism, a cutting mechanism and a driving mechanism.

The material belt track mechanism is arranged on one side of the vertical plate 22 and used for receiving the material belt 1, the feeding mechanism is arranged on the same side of the material belt track mechanism and used for pulling the material belt 1 to feed, the cutting mechanism is arranged on the material belt track mechanism and used for cutting the small hardware material 11, and the driving mechanism comprises a feeding driving component used for driving the feeding mechanism and a cutting driving component used for driving the cutting mechanism.

The feeding mechanism is arranged on the same side of the material belt track mechanism and comprises a pinwheel 31 rotatably connected to the vertical plate 22 and a material pressing roller assembly 32 arranged on the vertical plate 22 above the pinwheel 31. The pinwheel 31 is in the prior art, a plurality of needle-shaped bulges 311 are uniformly distributed on the outer circumference of the pinwheel 31, and the arc length between the two needle-shaped bulges is equal to the distance between the two positioning holes 13 on the material belt 1. In the present embodiment, the feeding driving component is a feeding stepper motor 51, and the output shaft thereof is fixedly arranged in the needle wheel 31 in a penetrating manner. Therefore, the feeding stepping motor 51 drives the needle wheel 31 to rotate, so that the needle-shaped protrusions 311 on the needle wheel 31 sequentially enter the positioning holes 13, and the material belt 1 can be driven to advance while the material belt 1 is positioned, and then feeding of the material belt 1 is completed. The pressing roller assembly 32 is in the prior art, and the pressing roller 321 is enabled to be stressed towards the needle wheel 31 through the elastic assembly, so that certain pressure is applied to the material belt 1, friction force between the needle wheel 31 and the material belt 1 is improved, and feeding stability and feeding precision of the material belt 1 are improved. In this embodiment, in order to improve the conveying stability of the material belt 1, the feeding mechanism further includes a supporting wheel 33 coaxially provided with the pin wheel 31 for supporting the material belt 1, the supporting wheel 33 being provided outside the pin wheel 31.

The cutting mechanism comprises a transmission component arranged below the material belt track mechanism, a lower cutter 41 vertically arranged on a transmission part of the transmission component, and an upper cutter 42 fixedly connected with the material belt track mechanism, wherein the lower cutter 41 can reciprocate up and down and can be matched with the upper cutter 42 to cut off the small hardware 11 from the material belt 1. In this embodiment, the cutting driving assembly includes a cutting stepper motor 52 and a speed reducer 53 connected to the cutting stepper motor 52, and the speed reducer 53 drives the transmission assembly to reciprocate the lower cutter 41 up and down.

Specifically, the transmission assembly includes a needle roller assembly fixedly connected to the upper end surface of the base 21, a guide post 43 longitudinally sliding in the needle roller assembly, and a link mechanism 54 respectively connected to the output shaft of the speed reducer 53 and the guide post 43. The top end of the guide post 43 is fixedly connected with a lower cutter seat 55 through a clamping groove, and the lower cutter 41 is vertically and fixedly embedded in the lower cutter seat 55. Thus, the cutting stepper motor 52 and the speed reducer 53 drive the link mechanism 54 to move, so that the guide post 43 slides up and down and is arranged in the needle roller assembly. The link mechanism 54 is a conventional art, and may have various forms as long as it converts the rotational movement of the output shafts of the cutting stepper motor 52 and the speed reducer 53 into the vertical sliding movement of the guide post 43.

Further, the needle roller assembly comprises a support 56 fixedly connected to the base 21 through bolts, a mounting seat 57 fixedly connected to the support 56 through bolts, a guide sleeve 58 vertically and fixedly embedded in the mounting seat 57, a bushing 59 fixedly embedded in the guide sleeve 58, a roller arranged in the bushing 59, and the guide post 43 slidably penetrates through the bushing 59. Of course, needle roller assemblies may also be of the prior art.

Furthermore, in order to enable the lower cutter 41 to move upwards to position the material belt 1 again when the small hardware material 11 is cut, two guide pins 551 are vertically and fixedly embedded in the lower cutter seat 55, and the two guide pins 551 can be simultaneously penetrated in two adjacent positioning holes 13 of the material belt 1.

The material belt track mechanism comprises a track plate 61 fixedly connected to the upper end of the mounting seat 57 through bolts, the middle of the track plate 61 is of a hollow structure so that the lower cutter 41 cuts the small hardware material 11, a groove is formed in the upper end face of the track plate 61 so that the material belt 1 can be conveyed in the groove, and therefore the guiding effect on the material belt 1 is achieved. Two pressing plates 62 are fixedly connected to the upper end face of the track plate 61 along the conveying direction of the material belt 1 through bolts, and a gap for the material belt 1 to pass through is reserved between the track plate 61 and the corresponding pressing plate 62.

Further, an upper cutter holder 44 is fixedly connected to the vertical plate 22 by bolts, and the upper cutter 42 is horizontally and fixedly inserted into the upper cutter holder 44 perpendicular to the conveying direction of the material belt 1. The upper cutter 42 is adjustable within the upper blade holder 44 to form a scissors shape with the lower cutter 41 to facilitate cutting the trim material 11.

Furthermore, in order to realize the stability and continuity of feeding, the cutting device further comprises a pressing shaft 71 fixedly connected to the vertical plate 22, and the pressing shaft 71 is disposed at one side of the cutting mechanism far away from the feeding mechanism. The pressing shaft 71 may be directly rotatably connected to the vertical plate 22, or may be configured similar to the above-mentioned pressing roller assembly 32, that is, the pressing shaft 71 is subjected to a downward force by an elastic assembly, so as to tension the material belt 1, which is not described herein. In addition, a roller 72 is rotatably connected to the vertical plate 22 between the pressing shaft 71 and the cutting mechanism, and the roller 72 is disposed higher than the pressing shaft 71 and cooperates with the pressing shaft 71 to tension the tape 1.

Through the structure, the feeding stepping motor 51 can intermittently pull the material belt 1, and when the material belt 1 is in a cut state, the cutting stepping motor 52 drives the link mechanism 54 to enable the guide post 43, the upper cutter holder 44 and the lower cutter 41 to move upwards and match with the upper cutter 42 to cut the small hardware material 11.

Example 2

In this embodiment, in order to improve the accuracy of conveying and cutting the material tape 1 based on embodiment 1, the feeding driving component is a dual-output-shaft feeding stepper motor 51, and the cutting driving component is a dual-output-shaft cutting stepper motor 52; the feeding and cutting stepping motors 51 and 52 are fixedly connected with a feeding and cutting shading sheet 81 and 82 respectively, and the feeding and cutting shading sheets 81 and 82 are respectively penetrated in the corresponding groove-type photoelectric sensors 83.

Specifically, as in the present embodiment, the tape 1 cut by the present cutting device has a specification of 16.8mm wide and 0.12mm thick, and a distance per feed (pitch) of 13.5mm.

The material belt pinwheel is provided with 16 pins (namely, 16 needle-shaped bulges 311 are uniformly distributed), and can be divided by the pulse number of each circle of the feeding stepping motor 51, so that accumulated drawing can not generate accumulated errors. 16 through grooves are uniformly distributed on the feeding shading sheet 81 arranged on the rear shaft of the feeding stepping motor 51, the cutting shading sheet 82 arranged on the rear shaft of the cutting stepping motor 52 is 1/4 notch type, the notch part corresponds to the up-down stroke of the lower cutter 41, and the edge part is the movement limit alarm. Through the structure, when the original point is found again after the material is changed, the cutting section of the material belt 1 can be positioned by the guide pin 551 conveniently. The control principle and the connection mode are the prior art, and are not repeated here.

In addition, by providing the pressing roller 321 above the pinwheel, stable engagement of the positioning hole 13 of the material tape 1 with the pinwheel 31 (at least 1 needle-shaped projection 311 in a positioned state) can be ensured to the maximum extent, and positioning at the time of cutting the cut portion (the circumference of the pinwheel 31 is 16 times the conveying distance of the material tape 1).

The working process of the embodiment of the utility model is as follows:

1. The utility model is mounted as described above and used in conjunction with a transfer device (with a suction nozzle mechanism 9, which is not known in the art);

2. When feeding is required, the feeding stepping motor 51 rotates a fixed pulse number to pull the material belt 1 to advance by one cutting distance (namely, each conveying distance pitch), and the pinwheel 31 rotates to enable the next needle-shaped protrusion 311 on the pinwheel to enter the positioning hole 13 of the material belt 1; at this time, the cutting stepping motor 52 drives the speed reducer 53 to rotate, the link mechanism 54 mounted on the output shaft of the speed reducer 53 drives the guide post 43 to move upwards in the bushing 59 of the needle roller assembly, the lower cutter 41 and the guide pin 551 on the lower cutter holder 55 move upwards synchronously, the guide pin 551 is preferentially inserted into the positioning hole 13 of the cutting section of the material belt 1, the lower cutter 41 moves upwards to the position below the cutting section of the material belt 1, the lower cutter 41 and the upper cutter 42 form a scissor shape, and then the transfer device (not shown in the figure) drives the suction nozzle mechanism 9 to contact with the suction part of the small hardware 11 from the right upper direction (namely, on the supporting surface of the lower cutter 41), and then the lower cutter 41 continues to move upwards to complete the cutting action; while the cut-off pieces of the small-sized material 11 are being cut, the small-sized material 11 is pressed between the lower cutter 41 and the suction nozzle mechanism 9 (the suction nozzle mechanism 9 has a structure of up-down sliding and a return spring), thereby preventing the cut-off pieces of the small-sized material 11 from collapsing; when the lower cutter 41 moves downwards, the small hardware 11 is adsorbed by the suction nozzle mechanism 9 by vacuum, and transplanting and packaging are completed;

3. The above step 2 is repeated to complete the cutting and transferring of the small hardware material 11 on the whole material tape 1.

In the above process, the controller is required to control the feeding stepper motor 51, the cutting stepper motor 52, the photoelectric sensor 83, the transfer device and the suction nozzle mechanism 9, and the connection relationship and control logic between the controller and the above components are automated operation to improve the production efficiency, and the related operation control is in the prior art, so long as the above working process can be satisfied, and will not be repeated here.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a cutting device, includes the base and is in riser that sets up on the base, its characterized in that: further comprises:

material belt track mechanism: the vertical plate is arranged at one side of the vertical plate and is used for receiving a material belt;

And a feeding mechanism: the needle wheel is rotatably connected to the vertical plate, and the pressing roller assembly is arranged on the vertical plate above the needle wheel;

And a cutting mechanism: the device comprises a transmission assembly arranged below the material belt track mechanism, a lower cutter vertically arranged on a transmission part of the transmission assembly, and an upper cutter fixedly connected to the material belt track mechanism, wherein the lower cutter can reciprocate up and down and can be matched with the upper cutter to cut off a small hardware material from a material belt;

A driving mechanism: the needle wheel cutting machine comprises a feeding driving assembly for driving the needle wheel to rotate and a cutting driving assembly for driving the transmission assembly to enable the lower cutter to reciprocate up and down.

2. A cutting apparatus according to claim 1, wherein: the feeding driving assembly is a double-output-shaft type feeding stepping motor, and the cutting driving assembly comprises a double-output-shaft type cutting stepping motor and a speed reducer; and the feeding stepping motor and the cutting stepping motor are respectively and fixedly connected with a feeding shading sheet and a cutting shading sheet on rear shafts thereof, and the feeding shading sheet and the cutting shading sheet are respectively arranged in the corresponding groove-type photoelectric sensor in a penetrating way.

3. A cutting apparatus according to claim 1, wherein: the transmission assembly comprises a needle roller assembly fixedly connected to the upper end face of the base, a guide post longitudinally sliding in the needle roller assembly and a connecting rod mechanism respectively connected with the cutting driving assembly and the guide post, the lower cutter is fixedly connected to the top end of the guide post, and the cutting driving assembly drives the guide post and the lower cutter to reciprocate up and down through the connecting rod mechanism.

4. A cutting apparatus according to claim 3, wherein: the needle roller assembly comprises a support fixedly connected to the base, an installation seat fixedly connected to the support, a guide sleeve vertically and fixedly embedded in the installation seat, and a bushing fixedly embedded in the guide sleeve, and the guide post is slidably arranged in the bushing in a penetrating mode.

5. A cutting apparatus as defined in claim 4, wherein: the material belt track mechanism comprises a track plate fixedly connected to the upper end of the mounting seat and two pressing plates fixedly connected to the upper end face of the track plate along the conveying direction of the material belt, and gaps for the material belt to pass through are reserved between the track plate and the two pressing plates respectively.

6. A cutting apparatus according to claim 1, wherein: the vertical plate is fixedly connected with an upper cutter seat, and the upper cutter is horizontally and fixedly arranged in the upper cutter seat in a penetrating manner perpendicular to the conveying direction of the material belt.

7. A cutting apparatus according to claim 3, wherein: the guide post is characterized in that a lower cutter holder is fixedly connected to the top end of the guide post, the lower cutter is vertically and fixedly embedded in the lower cutter holder, two guide pins are vertically and fixedly embedded in the lower cutter holder, and the two guide pins can be simultaneously penetrated in two adjacent positioning holes in the material belt.

8. A cutting apparatus according to claim 1, wherein: the feeding mechanism further comprises a supporting wheel which is coaxially arranged with the pinwheel and used for supporting the material belt.

9. A cutting apparatus according to claim 1, wherein: the vertical plate is fixedly connected with a pressing shaft.

10. A cutting apparatus as claimed in claim 9, wherein: and a rolling shaft is rotationally connected on the vertical plate between the pressing shaft and the cutting mechanism.