CN110126352B - Lithium battery pole piece bag making machine - Google Patents
Lithium battery pole piece bag making machine Download PDFInfo
- Publication number
- CN110126352B CN110126352B CN201910355734.4A CN201910355734A CN110126352B CN 110126352 B CN110126352 B CN 110126352B CN 201910355734 A CN201910355734 A CN 201910355734A CN 110126352 B CN110126352 B CN 110126352B
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- China
- Prior art keywords
- traction
- diaphragm
- heat sealing
- pole piece
- mounting plate
- Prior art date
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 98
- 238000005520 cutting process Methods 0.000 claims abstract description 92
- 238000003825 pressing Methods 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000004804 winding Methods 0.000 claims description 9
- 238000007731 hot pressing Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/04—Feeding sheets or blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/20—Cutting sheets or blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Primary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a lithium battery pole piece bag making machine which comprises a heat sealing platform, a cutting platform, a lower diaphragm material roller, a lower diaphragm conveying device, an upper diaphragm material roller, a fixing mechanism, a traction mechanism, a pressing mechanism, a heat sealing device, a traction device and a cutting device, wherein the heat sealing platform is arranged on the lower diaphragm material roller; the lower diaphragm conveying device is used for driving the lower diaphragm to sequentially pass through the heat sealing platform and the cutting platform, the fixing mechanism is used for receiving the upper diaphragm led out from the upper diaphragm material roller and fixedly attaching the upper diaphragm to the lower diaphragm, the part, located between the fixing mechanism and the upper diaphragm material roller, of the upper diaphragm is formed into an attaching section, the traction mechanism is used for dragging the attaching section to the position right above the heat sealing platform, the pressing mechanism is used for attaching the attaching section to the lower diaphragm, the heat sealing device is used for heat sealing and bonding the upper diaphragm and the lower diaphragm, and the cutting device is used for cutting the upper diaphragm and the lower diaphragm to form the pole piece bag. According to the invention, the upper diaphragm and the lower diaphragm are supplied by the cooperation of the lower diaphragm conveying device, the fixing mechanism, the traction mechanism and the pressing mechanism, so that the labor intensity is reduced.
Description
Technical Field
The invention relates to a bag making machine, in particular to a lithium battery pole piece bag making machine.
Background
At present, in the process of manufacturing a pole piece bag for a lithium battery pole piece, a lower diaphragm is required to be placed at a heat sealing station, the lithium battery pole piece (except for the lug part of the pole piece) is placed on the lower diaphragm, then an upper diaphragm is adopted to cover the lithium battery pole piece, and then the pole piece bag is formed after heat sealing and cutting, but in the process, the upper diaphragm and the lower diaphragm are usually supplied and covered by manpower, so that the labor intensity is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a lithium battery pole piece bag making machine, which realizes the supply of an upper diaphragm and a lower diaphragm and the coverage of a lithium battery pole piece through the cooperation of a lower diaphragm material roller, a lower diaphragm conveying device, an upper diaphragm material roller, a fixing mechanism, a traction mechanism and a pressing mechanism, and reduces the labor intensity.
The invention adopts the following technical scheme:
A lithium battery pole piece bag making machine comprises
The heat-sealing platform is provided with a heat-sealing station;
The heat sealing platform and the cutting platform are sequentially arranged along a first direction;
The lower diaphragm material roller is used for winding the lower diaphragm;
A lower diaphragm conveying device; the lower diaphragm conveying device is used for receiving a lower diaphragm led out by a lower diaphragm material roller, driving the lower diaphragm to be conveyed horizontally along the first direction and sequentially passing over the heat sealing station and the cutting platform, wherein the part of the lower diaphragm conveyed horizontally is formed into a horizontal section, and the part of the lower diaphragm, which is opposite to the heat sealing station, is used for placing a lithium battery pole piece;
the upper diaphragm material roller is used for winding an upper diaphragm;
The upper diaphragm feeding device comprises a fixing mechanism, a traction mechanism and a pressing mechanism, wherein the fixing mechanism is used for receiving an upper diaphragm led out from the upper diaphragm material roller, fixing the received upper diaphragm between the heat sealing station and the cutting platform and enabling the received upper diaphragm to be attached to a horizontal section, the part of the upper diaphragm between the fixing mechanism and the upper diaphragm material roller is formed into an attaching section for covering a lithium battery pole piece, the traction mechanism is used for traction the attaching section in a direction away from the cutting platform so as to lead the attaching section to be directly above the heat sealing platform, and the pressing mechanism is used for pushing the attaching section at one side of the heat sealing station away from the cutting platform so as to enable the attaching section to be attached to the horizontal section;
The heat sealing device is used for heat-sealing and bonding the upper diaphragm and the lower diaphragm along the edge of the lithium battery pole piece on the heat sealing station;
the traction device is used for traction of the lower diaphragm so as to convey the bonding part to the cutting platform;
And the cutting device is used for cutting the upper diaphragm and the lower diaphragm along the edge of the bonding part so as to form a pole piece bag wrapped with the pole piece of the lithium battery.
The fixing mechanism comprises a pressing plate and a first lifting driving structure, wherein the pressing plate is located above the heat sealing platform and matched with the heat sealing platform to clamp the upper diaphragm, and the first lifting driving structure is used for driving the pressing plate to lift.
Further, the traction mechanism comprises a traction roller, a first mounting plate and a first driving mechanism, wherein the traction roller is pivoted on the first mounting plate and used for traction of the upper diaphragm, and the first driving mechanism is used for driving the first mounting plate to move along a second direction opposite to the first direction.
Further, the lithium battery pole piece bag making machine further comprises a rotary driving mechanism, and the rotary driving mechanism is used for driving the upper diaphragm material roller to rotate.
Further, the pressing mechanism is mounted on the first mounting plate and is sequentially arranged with the traction roller along the second direction.
The pressing mechanism comprises a pressing roller and a second lifting driving structure, wherein the pressing roller is arranged on the first mounting plate and used for pushing the diaphragm downwards, and the second lifting driving structure is arranged on the first mounting plate and used for driving the pressing roller to lift.
The heat sealing device is arranged on the first mounting plate and is positioned on one side, far away from the traction roller, of the pressing mechanism, the heat sealing device comprises a third lifting driving structure, a heat sealing piece and a first heating component, the first heating component is used for heating the heat sealing piece, the heat sealing piece is provided with a downward-protruding heat pressing flange, the track shape of the heat pressing flange is the same as the edge shape of a position of the lithium battery pole piece except for the pole lug, and the third lifting driving structure is used for driving the heat sealing piece to lift.
The traction device comprises an upper traction plate, a lower traction plate, a second mounting plate, a separation and combination driving structure and a horizontal driving structure, wherein the upper traction plate and the lower traction plate are arranged in a vertically separated mode and can be installed on the second mounting plate in a way of being close to or far away from each other, the upper traction plate and the lower traction plate are matched to clamp a lower diaphragm, the separation and combination driving structure is installed on the second mounting plate and is used for driving the upper traction plate and the lower traction plate to be close to or far away from each other, and the horizontal driving structure is used for driving the second mounting plate to move in the first direction.
The cutting device comprises a cutting platform, a cutting device and a second heating component, wherein the cutting device comprises a cutting knife, a cutting knife driving structure and the second heating component, the second heating component is used for heating the cutting knife, the cutting knife faces to the upper side of the cutting platform, the cutting edge of the cutting knife faces to the cutting platform, the track shape of the cutting edge of the cutting knife is the same as the edge shape of the bonding part, and the cutting knife driving structure is used for driving the cutting knife to be close to or far away from the cutting platform.
The lithium battery pole piece bag making machine further comprises a third mounting plate, the cutting platform is mounted on the third mounting plate through a buffer spring, one end of the buffer spring is fixed on the lower surface of the cutting platform, the other end of the buffer spring is fixed on the third mounting plate, the lithium battery pole piece bag making machine further comprises a guide structure, the guide structure comprises a vertical guide rail fixed on the third mounting plate and a guide groove formed in the cutting platform, and the guide groove and the vertical guide rail are movably inserted and assembled.
Compared with the prior art, the invention has the beneficial effects that:
The lithium battery pole piece is placed on the lower diaphragm, the upper diaphragm is wound by the upper diaphragm material roller, the upper diaphragm led out by the upper diaphragm feeding device is fixed on one side of the heat sealing station, the traction mechanism is used for traction of the overlaying section of the upper diaphragm to the position right above the heat sealing station, and then the overlaying section is jointed with the lower diaphragm under the action of the pressing mechanism, so that the upper diaphragm and the lower diaphragm are fed, the upper diaphragm and the lithium battery pole piece are overlaid, and the labor intensity is reduced by manual operation relatively.
Drawings
FIG. 1 is a schematic diagram of a lithium battery pole piece bag making machine according to the present invention;
FIG. 2 is a schematic view showing the structure of the upper separator feeding device, the heat sealing device and the cutting device of the present invention;
FIG. 3 is a schematic view of the structure of the upper diaphragm feeding apparatus of the present invention;
FIG. 4 is a schematic structural view of the fixing mechanism of the present invention;
FIG. 5 is a schematic view of the traction mechanism, pressing mechanism and heat sealing device of the present invention;
FIG. 6 is a schematic view showing the structure of the heat sealing apparatus of the present invention;
FIG. 7 is a schematic view of the traction device of the present invention;
FIG. 8 is a schematic view of a cutting apparatus and cutting platform according to the present invention;
in the figure, 10, a heat sealing platform, 11, a heat sealing station, 20, a cutting platform, 30, a lower diaphragm material roller, 40, a lower diaphragm conveying device, 50, an upper diaphragm material roller, 60, an upper diaphragm supply device, 61, a fixing mechanism, 611, a pressing plate, 612, a first lifting driving structure, 62, a traction roller, 63, a first mounting plate, 64, a first driving mechanism, 65, a pressing mechanism, 651, a pressing roller, 652, a second lifting driving structure, 70, a heat sealing device, 71, a third lifting driving structure, 72, a heat sealing piece, 721, a hot pressing flange, 73, a first heating component, 80, a traction device, 81, an upper traction plate, 82, a lower traction plate, 83, a second mounting plate, 84, a horizontal driving structure, 90, a cutting device, 91, a cutter, 911, a cutter blade, 92, a cutter driving structure, 93, a second heating component, 100, a third mounting plate, 120, a buffer spring, 130, a vertical guide rail, 140, an upper diaphragm, 141, an attaching section, 150, a lower diaphragm, 151 and a horizontal section.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
1-3, A lithium battery pole piece bag making machine comprises a heat sealing platform 10, a cutting platform 20, a lower diaphragm material roller 30, a lower diaphragm conveying device 40, an upper diaphragm material roller 50, an upper diaphragm supply device 60, a heat sealing device 70, a traction device 80 and a cutting device 90; the heat-sealing stage 10 and the cutting stage 20 are arranged in this order in a first direction (the direction indicated by an arrow a in fig. 1), the lower separator feed roller 30 is used for winding the lower separator 150, the lower separator feed device 40 is used for receiving the lower separator 150 led out from the lower separator feed roller 30, driving the lower separator 150 to be horizontally conveyed in the first direction and sequentially passing over the heat-sealing stage 10 and the cutting stage 20, the part of the lower separator 150 horizontally conveyed is formed into a horizontal segment 151, the part of the lower separator 150 facing the heat-sealing station 11 is used for placing a lithium battery pole piece, the upper separator feed roller 50 is used for winding the upper separator 140, the upper separator feed device 60 comprises a fixing mechanism 61, a traction mechanism and a pressing mechanism 65, the fixing mechanism 61 is used for receiving the upper separator 140 led out from the upper separator feed roller 50, fixing the received upper separator 140 between the heat-sealing station 11 and the cutting stage 20, and bonding the received upper separator 140 with the horizontal segment 151, the part of the upper separator 140 between the fixing mechanism 61 and the upper separator feed roller 50 is formed into a bonding segment 141 for covering the lithium battery pole piece, the traction mechanism is used for bonding segment 141 facing away from the cutting stage 20, the traction mechanism is used for bonding segment 141 facing away from the heat-sealing stage 20, and pulling the bonding segment 141 to the positive side of the bonding segment 20 is used for bonding segment 141 facing away from the heat-sealing stage 20, such that the pasting section 141 is pasted to the horizontal section 151, the heat sealing device 70 is used for heat-sealing and bonding the upper and lower diaphragms 140 and 150 along the edges of the lithium battery pole pieces on the heat sealing station 11, the bonding part of the upper and lower diaphragms 140 and 150 is formed into a bonding part which has the same shape as that of the lithium battery pole pieces except for the lug parts thereof, the traction device 80 is used for traction the lower diaphragm 150 to convey the bonding part to the cutting platform 20, and the cutting device 90 is used for cutting the upper and lower diaphragms 140 and 150 along the edges of the bonding part to form a pole piece bag wrapped with the lithium battery pole pieces.
On the basis of the structure, when the lithium battery pole piece bag making machine is used, after the lower diaphragm 150 is conveyed to the heat sealing platform 10, the lithium battery pole piece is placed at the position, opposite to the heat sealing station 11, of the lower diaphragm 150, then the upper diaphragm 140 led out from the upper diaphragm material roller 50 is fixed on one side of the heat sealing station 11 and is attached to the horizontal section 151 of the lower diaphragm 150 by the fixing mechanism 61, the attached section 141 of the upper diaphragm 140 is pulled to the upper side of the heat sealing platform 10 under the action of the pulling mechanism, and then the attached section 141 is attached to the horizontal section 151 by the matching pressing mechanism 65 on the other side of the heat sealing platform 10, so that the attachment of the attached section 141 to the lithium battery pole piece on the lower diaphragm 150 is realized by respectively attaching the two ends of the attached section 141 to the two sides of the heat sealing station 11, and the bag making is realized by matching the heat sealing device 70, the pulling device 80 and the cutting device 90.
As shown in fig. 4, specifically, the fixing mechanism 61 includes a pressing plate 611 and a first lifting driving structure 612, the pressing plate 611 is located above the heat sealing platform 10 and is matched with the heat sealing platform 10 to clamp the upper diaphragm 140, the first lifting driving structure 612 is used for driving the pressing plate 611 to lift, so that the upper diaphragm 140 and the lower diaphragm 150 pass through between the heat sealing platform 10 and the pressing plate 611, the pressing plate 611 is driven by the first lifting driving structure 612 to move downwards, and the heat sealing platform 10 and the pressing plate 611 can be matched to fixedly attach the upper diaphragm 140 to the lower diaphragm 150.
Further, as shown in fig. 5, the traction mechanism comprises a traction roller 62, a first mounting plate 63 and a first driving mechanism 64, wherein the traction roller 62 is pivoted on the first mounting plate 63 and is used for traction of the upper diaphragm 140, the first driving mechanism 64 is used for driving the first mounting plate 63 to move along a second direction (the direction shown by an arrow B in fig. 1) opposite to the first direction, even though the traction roller 62 is positioned between the fixing mechanism 61 and the upper diaphragm material roller 50 and is positioned at one side of the overlaying section 141, when the first driving mechanism 64 is used for driving the first mounting plate 63 to move along the second direction, the traction roller 62 moves along with the first mounting plate 63 along the second direction, so that the upper diaphragm 140 is pulled above the heat sealing station 11 under the pulling of the traction roller 62, and the traction roller 62 adopts a pivoted mode, so that friction with the upper diaphragm 140 can be reduced and the upper diaphragm 140 is prevented from being damaged.
The first driving mechanism 64 may adopt a structure of matching a conventional linear motor, a cylinder, a screw rod and a screw nut.
In order to realize that the upper diaphragm 140 is in a tensioned state in the process of pulling the upper diaphragm 140, and further, the upper diaphragm 140 is flatly covered on the lithium battery pole piece, preferably, the lithium battery pole piece bag making machine further comprises a rotary driving mechanism, the rotary driving mechanism is used for driving the upper diaphragm material roller 50 to rotate, so that the pasting section 141 is in a tensioned state firstly, then the speed of the rotary driving mechanism for driving the upper diaphragm material roller 50 to rotate can be controlled according to the driving speed of the first driving mechanism 64, and further, the speed of the upper diaphragm material roller 50 for releasing the upper diaphragm 140 is controlled, so that the release length of the upper diaphragm 140 in unit time is kept relatively consistent with the distance of the upper diaphragm 140 which is pulled, and the pasting section 141 is ensured to be in a tensioned state.
As shown in fig. 5, the pressing mechanism 65 is preferably mounted on the first mounting plate 63, so that the pressing roller 651 and the traction roller 62 together form a first driving mechanism 64, no additional power mechanism is needed, energy is saved, and the pressing mechanism 65 and the traction roller 62 are sequentially arranged along the second direction, so that when the traction roller 62 pulls the attaching section 141 onto the heat sealing station 11, the pressing roller 651 can be located above the attaching section 141, and smooth pulling and pressing operations are ensured.
As shown in fig. 2-3 and fig. 5, specifically, the pressing mechanism 65 includes a pressing roller 651 and a second lifting driving structure 652, the pressing roller 651 is mounted on the first mounting plate 63 and is used for pushing the upper diaphragm 140 downward, the second lifting driving structure 652 is mounted on the first mounting plate 63 and is used for driving the pressing roller 651 to lift, at this time, the fixing mechanism 61 attaches the upper diaphragm 140 received to one side of the lower diaphragm 150, meanwhile, the pressing roller 651 moves along with the first mounting plate 63 to the other side of the hot pressing station (i.e. the pressing roller 651 moves to the position shown in fig. 2) and then drives the pressing roller 651 to move downward to push the attaching section 141 through the second lifting driving structure 652 and attach the attaching section 141 of the upper diaphragm 140 to the lower diaphragm 150, so as to attach the attaching section 141 to a lithium battery pole piece located on the lower diaphragm 150.
As shown in fig. 5-6, further, the heat sealing device 70 is mounted on the first mounting plate 63 and is located at one side of the pressing mechanism 65 away from the traction roller 62, so that after the upper diaphragm 140 is attached to the lithium battery pole piece, heat sealing operation can be smoothly performed, concretely, the heat sealing device 70 comprises a third lifting driving structure 71, a heat sealing member 72 and a first heating component 73, the first heating component 73 is used for heating the heat sealing member 72, the heat sealing member 72 can be a heat sealing seat, a heat sealing shell and the like, the heat sealing member 72 is provided with a heat pressing flange 721 protruding downwards, the track shape of the heat pressing flange 721 is the same as the edge shape of the part of the lithium battery pole piece except for the pole lug, and the shape size of the heat pressing flange 721 is larger than the edge shape of the pole piece, so that the heat pressing flange 721 is matched and covered outside the lithium battery pole piece, the third lifting driving structure 71 is used for driving the heat sealing member 72 to lift, in use, the first driving structure 64 drives the first mounting plate 63 to move, the heat pressing flange 721 is opposite to the lithium battery pole piece, the first heating component 73 heats the heat sealing member 72, therefore, the heat sealing member 72 is heated, the heat sealing member 72 is matched with the third lifting driving structure 71 to drive the heat pressing flange 721 to move downwards, the heat pressing flange 721 is close to the position to the heat pressing flange 11, and the heat pressing flange 150 is pressed downwards, and the heat pressing flange 150 is attached to the diaphragm 140 downwards, and the heat pressing flange is pressed down, and the heat sealing flange is attached to the diaphragm 140, and the heat sealing flange is attached to the lithium battery pole piece, and the electrode is attached to the lithium battery pole piece, and the lithium is attached to and the lithium is attached.
As shown in fig. 7, the traction device 80 includes an upper traction plate 81, a lower traction plate 82, a second mounting plate 83, a separating and combining driving structure and a horizontal driving structure 84, the upper traction plate 81 and the lower traction plate 82 are disposed separately up and down and can be mounted on the second mounting plate 83 to be close to or far from each other, the upper traction plate 81 and the lower traction plate 82 cooperate to clamp the lower diaphragm 150, the separating and combining driving structure is mounted on the second mounting plate 83 and is used to drive the upper traction plate 81 and the lower traction plate 82 to be close to or far from each other, and the horizontal driving structure 84 is used to drive the second mounting plate 83 to move in the first direction.
When the lower diaphragm 150 is required to be pulled, the upper and lower pull plates 81 and 82 are driven to be close to each other by the split driving structure to clamp the lower diaphragm 150, then the second mounting plate 83 is driven to move along the first direction by the horizontal driving structure 84, the second mounting plate 83 is linked with the upper and lower pull plates 81 and 82 to move along the first direction, and the lower diaphragm 150 is pulled to move along the first direction under the clamping of the upper and lower pull plates 81 and 82.
The upper traction plate 81 and the lower traction plate 82 can be arranged in a first mode that the upper traction plate 81 and the lower traction plate 82 can move up and down, correspondingly, the opening and closing driving structure comprises two air cylinders for driving the upper traction plate 81 and the lower traction plate 82 to move vertically, the upper traction plate 81 is fixedly arranged, the lower traction plate 82 is movably arranged, correspondingly, the opening and closing driving structure comprises an air cylinder for driving the lower traction plate 82 to move vertically, and the lower traction plate 82 is fixedly arranged, the upper traction plate 81 is movably arranged, and correspondingly, the opening and closing driving structure comprises an air cylinder for driving the upper traction plate 81 to move vertically.
The horizontal driving structure 84 can adopt the structure of the prior linear motor, the cylinder, the screw rod and the screw rod nut.
As shown in fig. 8, further, a soft cushion is arranged on the cutting platform 20, the soft cushion can be made of a high-temperature-resistant material, and can be a high-temperature-resistant rubber cushion, a silica gel cushion and the like, the cutting device 90 comprises a cutter 91, a cutter driving structure 92 and a second heating component 93, the second heating component 93 is used for heating the cutter 91, the cutter 91 faces above the cutting platform 20, the cutting edge 911 of the cutter faces the cutting platform 20, the track shape of the cutting edge 911 of the cutter is the same as the edge shape of the bonding part, the track shape size of the cutting edge 911 of the cutter is larger than the edge shape size of the bonding part, so that the cutter 91 is matched and covered outside the bonding part, and the cutter driving structure 92 is used for driving the cutter 91 to be close to or far away from the cutting platform 20.
On the basis of the above structure, when the cutter 91 is heated by the second heating unit 93, the cutter driving structure 92 drives the cutter 91 to move in a direction approaching the cutting platform 20, and the cutting edge 911 of the cutter continues to move downward after hitting the upper diaphragm 140, at this time, the cutting edge 911 of the cutter is sunk into the cushion, so that the upper diaphragm 140 and the lower diaphragm 150 are cut at one time along the edge of the bonding portion by the thermal cutting of the cutting edge 911 of the cutter.
Furthermore, in order to prevent the cutter 91 from retracting the upper and lower diaphragms 140 and 150 when cutting the upper and lower diaphragms 140 and 150, a tensioning structure may be further provided, and the tensioning structure and the traction device 80 fix the lower diaphragm 150 on both sides of the cutting platform 20, respectively. The tensioning structure may be a clamp, a robot, or the like.
Further, the lithium battery pole piece bag making machine further comprises a third mounting plate 100, the cutting platform 20 is mounted on the third mounting plate 100 through a buffer spring 120, one end of the buffer spring 120 is fixed on the lower surface of the cutting platform 20, the other end of the buffer spring 120 is fixed on the third mounting plate 100, the buffer spring 120 can play a role in buffering, the cutter 91 or the cutting platform 20 is prevented from being damaged due to strong impact with the cutting platform 20 when the cutter driving structure 92 drives the cutter 91 to descend too fast, further, the lithium battery pole piece bag making machine further comprises a guide structure, the guide structure comprises a vertical guide rail 130 fixed on the third mounting plate 100 and a guide groove formed on the cutting platform 20, the guide groove and the vertical guide rail 130 are movably inserted and assembled, and the cutting platform 20 is prevented from shaking left and right when the cutter driving structure 92 is adopted to drive the cutter platform 20 to descend too fast, and the cutting accuracy is prevented from being influenced.
It should be noted that, the first lifting driving structure 612, the second lifting driving structure 652, the third lifting driving structure 71, and the horizontal driving structure 84 may all adopt a structure in which a conventional linear motor, a cylinder, a screw rod, and a screw nut are matched.
The lower membrane conveying device 40 may adopt a structure that the lower membrane conveying device 40 comprises a winding roller, a rotating motor and a plurality of guide rollers, wherein the guide rollers are respectively arranged on two opposite sides of the heat sealing platform 10 and two opposite sides of the cutting platform 20, the top end surface of the guide rollers, the upper surface of the heat sealing platform 10 and the upper surface of the cutting platform 20 are all flush, the guide rollers are used for receiving the lower membrane 150 led out from the lower membrane material roller 30, the winding roller is used for receiving the lower membrane 150 led out from the guide roller positioned on one side of the cutting platform 20 far away from the heat sealing platform 10, and the rotating motor drives the winding roller to rotate.
The first heating element 73 and the second heating element 93 may be conventional heating wires, heating tubes, or the like.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (6)
1. A lithium battery pole piece bag making machine is characterized by comprising
The heat-sealing platform is provided with a heat-sealing station;
The heat sealing platform and the cutting platform are sequentially arranged along a first direction;
The lower diaphragm material roller is used for winding the lower diaphragm;
A lower diaphragm conveying device; the lower diaphragm conveying device is used for receiving a lower diaphragm led out by a lower diaphragm material roller, driving the lower diaphragm to be conveyed horizontally along the first direction and sequentially passing over the heat sealing station and the cutting platform, wherein the part of the lower diaphragm conveyed horizontally is formed into a horizontal section, and the part of the lower diaphragm, which is opposite to the heat sealing station, is used for placing a lithium battery pole piece;
the upper diaphragm material roller is used for winding an upper diaphragm;
The upper diaphragm feeding device comprises a fixing mechanism, a traction mechanism and a pressing mechanism, wherein the fixing mechanism is used for receiving an upper diaphragm led out from the upper diaphragm material roller, fixing the received upper diaphragm between the heat sealing station and the cutting platform and enabling the received upper diaphragm to be attached to the horizontal section, the part of the upper diaphragm between the fixing mechanism and the upper diaphragm material roller is formed into an attaching section for covering a pole piece of a lithium battery, the traction mechanism is used for traction of the attaching section in a direction away from the cutting platform so as to lead the attaching section to be directly above the heat sealing platform, and the pressing mechanism is used for pushing the attaching section at one side of the heat sealing station away from the cutting platform so as to enable the attaching section to be attached to the horizontal section;
The heat sealing device is used for heat-sealing and bonding the upper diaphragm and the lower diaphragm along the edge of the lithium battery pole piece on the heat sealing station;
the traction device is used for traction of the lower diaphragm so as to convey the bonding part to the cutting platform;
The cutting device is used for cutting the upper diaphragm and the lower diaphragm along the edge of the bonding part to form a pole piece bag wrapped with the pole piece of the lithium battery;
the fixing mechanism comprises a pressing plate and a first lifting driving structure, wherein the pressing plate is positioned above the heat sealing platform and matched with the heat sealing platform to clamp the upper diaphragm;
The traction mechanism comprises a traction roller, a first mounting plate and a first driving mechanism, wherein the traction roller is pivoted on the first mounting plate and used for traction of the upper diaphragm;
the pressing mechanism is arranged on the first mounting plate and is sequentially arranged with the traction roller along the second direction;
The pressing mechanism comprises a pressing roller and a second lifting driving structure, wherein the pressing roller is arranged on the first mounting plate and is used for pushing the upper diaphragm downwards, and the second lifting driving structure is arranged on the first mounting plate and is used for driving the pressing roller to lift.
2. The lithium battery pole piece bag making machine according to claim 1, further comprising a rotary driving mechanism for driving the upper diaphragm material roller to rotate.
3. The lithium battery pole piece bag making machine according to claim 1, wherein the heat sealing device is arranged on the first mounting plate and is located on one side, away from the traction roller, of the pressing mechanism, the heat sealing device comprises a third lifting driving structure, a heat sealing piece and a first heating component, the first heating component is used for heating the heat sealing piece, the heat sealing piece is provided with a downward-protruding hot-pressing flange, the track shape of the hot-pressing flange is the same as the edge shape of a position of the lithium battery pole piece except for a pole lug of the lithium battery pole piece, and the third lifting driving structure is used for driving the heat sealing piece to lift.
4. The pouch machine of claim 1, wherein the traction means comprises an upper traction plate, a lower traction plate, a second mounting plate, a split driving structure and a horizontal driving structure, wherein the upper traction plate and the lower traction plate are arranged on the second mounting plate in a split manner and can be close to or far away from each other, the upper traction plate and the lower traction plate are matched to clamp a lower diaphragm, the split driving structure is arranged on the second mounting plate and is used for driving the upper traction plate and the lower traction plate to be close to or far away from each other, and the horizontal driving structure is used for driving the second mounting plate to move in the first direction.
5. The pouch machine of claim 1, wherein the cutting platform is provided with a soft pad, the cutting device comprises a cutter, a cutter driving structure and a second heating component, the second heating component is used for heating the cutter, the cutter faces over the cutting platform, the cutting edge of the cutter faces towards the cutting platform, the track shape of the cutting edge of the cutter is the same as the edge shape of the bonding part, and the cutter driving structure is used for driving the cutter to be close to or far away from the cutting platform.
6. The lithium battery pole piece bag making machine according to claim 5, further comprising a third mounting plate, wherein the cutting platform is mounted on the third mounting plate through a buffer spring, one end of the buffer spring is fixed on the lower surface of the cutting platform, the other end of the buffer spring is fixed on the third mounting plate, and the lithium battery pole piece bag making machine further comprises a guide structure, wherein the guide structure comprises a vertical guide rail fixed on the third mounting plate and a guide groove formed on the cutting platform, and the guide groove and the vertical guide rail are movably inserted and combined.
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| CN201910355734.4A CN110126352B (en) | 2019-04-29 | 2019-04-29 | Lithium battery pole piece bag making machine |
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| CN110588068A (en) * | 2019-08-26 | 2019-12-20 | 广州超音速自动化科技股份有限公司 | Lithium battery pole piece bag making equipment and method |
| CN112123872B (en) * | 2020-09-25 | 2022-03-18 | 苏州市华事达印刷包装有限公司 | Packaging bag making machine |
| CN115832404B (en) * | 2023-01-06 | 2023-05-16 | 深圳市兴禾自动化股份有限公司 | Pole piece bag making and edge sealing device and battery core manufacturing equipment |
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| CN210390276U (en) * | 2019-04-29 | 2020-04-24 | 广州超音速自动化科技股份有限公司 | Lithium battery pole piece bag making machine |
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| CN202601758U (en) * | 2012-04-05 | 2012-12-12 | 深圳市赢合科技股份有限公司 | Full-automatic pole piece bag-making machine |
| JP2016002737A (en) * | 2014-06-18 | 2016-01-12 | 大日本印刷株式会社 | Bag making machine |
| CN104485476B (en) * | 2014-12-31 | 2016-09-28 | 深圳市赢合科技股份有限公司 | A kind of cut-out tape sticking device and pole piece coiling equipment thereof |
| CN204587366U (en) * | 2015-02-13 | 2015-08-26 | 广东德尚智能科技有限公司 | Plastic package mechanism in bank note plastic packaging machine |
| CN104985864B (en) * | 2015-08-08 | 2017-10-31 | 洪东坡 | A kind of structure improved Bag Making Machine |
| CN107887653B (en) * | 2017-09-30 | 2019-08-16 | 博众精工科技股份有限公司 | The battery core film-making coiling all-in-one machine that pole piece high speed is cut |
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