Cutting mechanism of lithium battery rubberizing equipment

Abstract

The utility model relates to the technical field of lithium battery rubberizing, in particular to a cutting mechanism of lithium battery rubberizing equipment, which comprises an adhesive tape feeding mechanism and a film cutting mechanism, a first clamping mechanism and a second clamping mechanism are arranged along the advancing direction of a film, and the film cutting mechanism is positioned between the first clamping mechanism and the second clamping mechanism. The first clamping mechanism and the second clamping mechanism are transversely aligned; after the material disc passes through the adhesive tape feeding mechanism, the adhesive tape sequentially passes through the first clamping mechanism, the adhesive tape cutting mechanism and the second clamping mechanism in a forward conveying manner; a transverse clamping block of the second clamping mechanism clamps the outer end of the film and is continuously far away from the film cutting mechanism to the required length; when the adhesive tape is cut off, the first clamping mechanism works to clamp the adhesive tape, at the moment, the cutting knife cuts off the adhesive tape in a longitudinal movement mode, the cut-off adhesive tape is clamped by the transverse clamping block of the second clamping mechanism, the outer end of the uncut adhesive tape is clamped by the first clamping mechanism, the situations of bouncing off, adhesion and overlapping do not occur, and the follow-up adhesive tape pasting efficiency is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery adhesive lamination, in particular to a cutting mechanism of lithium battery adhesive lamination equipment. Background Art

[0002] Tabs are a raw material used in lithium-ion polymer battery products. For example, mobile phone batteries, Bluetooth batteries, and laptop batteries all require tabs. Batteries have positive and negative poles, and tabs are the metal conductors that lead the positive and negative poles from the battery cell. In layman's terms, the tabs on the positive and negative poles of the battery are the contact points during charging and discharging. This contact point is not the copper sheet we see on the outside of the battery, but rather a connection inside the battery. Tabs are made of three materials: aluminum (Al) for the positive electrode and nickel (Ni) for the negative electrode. There are also nickel-plated copper (Ni-Cu) materials for the negative electrode. They are all composed of a composite of a film and a metal strip.

[0003] The film is the insulating part of the tab. Its function is to prevent short circuits between the metal strip and the aluminum-plastic film during battery packaging. During packaging, it is heated (around 140°C) to heat and seal the aluminum-plastic film together to prevent leakage. A tab is composed of two pieces of film sandwiching the metal strip in the middle.

[0004] When the existing cutting mechanism cuts the film, the film easily bounces off, causing the subsequent uncut parts to stick together and overlap, resulting in the need to cut off this part of the tape, causing waste. In addition, the machine needs to be stopped to process the overlapping parts, affecting the subsequent gluing efficiency. Summary of the Invention

[0005] The purpose of the utility model is to provide a cutting mechanism for lithium battery gluing equipment to address the deficiencies in the prior art.

[0006] To achieve the above purpose, the technical solution of the utility model is as follows:

[0007] The cutting mechanism of the lithium battery gluing equipment includes a tape feeding mechanism for conveying the film forward and a film cutting mechanism for cutting the film after the film is fed into place. A first clamping mechanism and a second clamping mechanism are arranged along the forward direction of the film. The first clamping mechanism and the second clamping mechanism are arranged at intervals. The film cutting mechanism is located between the first clamping mechanism and the second clamping mechanism, and the first clamping mechanism and the second clamping mechanism are aligned horizontally. The film cutting mechanism includes a cutting knife that can move longitudinally and a guide structure for guiding the movement of the cutting knife. The second clamping mechanism includes a transverse clamping block that can approach or move away from the film cutting mechanism, and the transverse clamping block can clamp the film by opening and closing.

[0008] Furthermore: the first clamping mechanism includes a top clamping block and a bottom clamping block arranged in a gap, and the gap formed by the top clamping block and the bottom clamping block can allow the fed film to pass through; wherein the top clamping block can be moved longitudinally closer to or away from the bottom clamping block.

[0009] Furthermore, a serrated surface for frictional contact with the film is formed on the top of the bottom clamping block.

[0010] Furthermore: the second clamping mechanism includes a lateral finger cylinder for installing the lateral clamping block and a lateral movement component for driving the lateral finger cylinder to move lateraly, wherein the lateral finger cylinder can drive the lateral clamping block to open and close.

[0011] Further: the lateral movement component includes a transverse guide rail arranged laterally and a transverse synchronous belt arranged parallel to the transverse guide rail, one of the long sides of the transverse synchronous belt is installed with a transmission seat, the transmission seat is connected to the transverse finger cylinder, and the transmission seat is slidably connected to the transverse guide rail.

[0012] Furthermore: the film cutting mechanism also includes a mounting knife seat for installing a cutting knife and a longitudinal driving member for driving the mounting knife seat to move longitudinally. The mounting knife seat includes a mounting seat and a mounting plate connected to the mounting seat. Between the mounting seat and the mounting plate, a mounting knife groove is formed on the inner side of the mounting plate for embedding and installing the cutting knife.

[0013] Further: the longitudinal drive component includes a longitudinal guide rail arranged longitudinally and a longitudinal telescopic cylinder arranged parallel to the longitudinal guide rail. The longitudinal guide rail is slidably installed with a longitudinal movable plate, the mounting knife seat is installed on the longitudinal movable plate, and the driving end of the longitudinal telescopic cylinder is connected to the longitudinal movable plate.

[0014] Further: the guide structure includes a guide frame for the cutting knife to guide through and a guide seat for installing the guide frame, the guide seat is formed with an adjustment hole, the guide frame is formed with an adjustment plate connected to the adjustment hole, and the adjustment plate has an adjustment long hole laterally that cooperates with the adjustment hole. The lateral position of the guide frame can be adjusted by adjusting the cooperation between the long hole and the adjustment hole.

[0015] Furthermore: the tape feeding mechanism includes a rotatable unwinding shaft and a plurality of conveying wheels for guiding the film forward, wherein one of the conveying wheels is a tensioning wheel, which can be longitudinally moved to adjust the tension of the tape conveying.

[0016] Furthermore: the unwinding shaft is equipped with an expansion structure capable of expanding and positioning the material tray; the expansion structure includes a mounting sleeve and a mounting disk coaxially arranged on the unwinding shaft, the mounting sleeve is radially formed with a movable groove, the movable groove is equipped with an expansion shaft that elastically expands outward, the mounting disk is equipped with an expansion strip that can swing, and the outer end of the expansion shaft is movably connected to the expansion strip.

[0017] The beneficial effects of the utility model are as follows: after the material tray passes through the tape feeding mechanism, the film is transported forward and sequentially passes through the first clamping mechanism, the film cutting mechanism and the second clamping mechanism; the transverse clamping block of the second clamping mechanism clamps the outer end of the film and continuously moves away from the film cutting mechanism to the required length; the first clamping mechanism works to clamp the film, and at this time the cutter moves longitudinally to cut the tape, and the cut film is clamped by the transverse clamping block of the second clamping mechanism, and the outer end of the uncut film is clamped by the first clamping mechanism, so that there will be no bouncing or adhesion overlap, thereby ensuring the efficiency of subsequent gluing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of the lithium battery gluing equipment.

[0019] Figure 2 It is a structural diagram of the tape feeding mechanism.

[0020] Figure 3 It is a structural diagram of the connection between the first clamping mechanism, the film cutting mechanism and the second clamping mechanism.

[0021] Figure 4 It is a structural schematic diagram of the connection between the first clamping mechanism and the film cutting mechanism.

[0022] Reference numerals include:

[0023] 1-Work board,

[0024] 10-tape feeding mechanism, 11-unwinding shaft, 12-transmission wheel, 13-tensioning wheel, 14-supporting structure,

[0025] 15-mounting sleeve, 16-mounting plate, 17-movable slot, 18-spreading shaft, 19-spreading strip,

[0026] 2-First clamping mechanism,

[0027] 21-top clamping block, 22-bottom clamping block, 23-first lifting cylinder, 24-serrated surface,

[0028] 25-guide structure, 26-guide frame, 27-guide seat, 28-adjustment hole, 29-adjustment long hole,

[0029] 3- Film cutting mechanism,

[0030] 31-cutting knife, 32-mounting knife seat, 33-mounting seat, 34-mounting piece, 35-mounting knife groove,

[0031] 36-longitudinal guide rail, 37-longitudinal telescopic cylinder, 38-longitudinal moving plate,

[0032] 4- Second clamping mechanism,

[0033] 40- lateral movement assembly, 41- lateral clamping block, 42- lateral finger cylinder, 43- lateral synchronous belt,

[0034] 44-transmission seat, 45-transverse guide rail. DETAILED DESCRIPTION

[0035] The present invention is described in detail below with reference to the accompanying drawings.

[0036] like Figure 1-4 As shown, the cutting mechanism of the lithium battery gluing equipment includes a longitudinally arranged working plate 1, and the working plate 1 is provided with two groups of gluing pre-processing modules.

[0037] The pre-taping module includes a tape feeding mechanism 10 for conveying the film forward and a film cutting mechanism 3 for cutting the film after the film is fed into position. A first clamping mechanism 2 and a second clamping mechanism 4 are arranged along the film's forward direction. The first clamping mechanism 2 and the second clamping mechanism 4 are arranged at intervals. The film cutting mechanism 3 is located between the first clamping mechanism 2 and the second clamping mechanism 4. The first clamping mechanism 2 and the second clamping mechanism 4 are laterally aligned.

[0038] After the material tray passes through the tape feeding mechanism 10, the film is transported forward and passes through the first clamping mechanism 2, the film cutting mechanism 3 and the second clamping mechanism 4 in sequence; the transverse clamping block 41 of the second clamping mechanism 4 clamps the outer end of the film and continuously moves away from the film cutting mechanism 3 to the required length; the first clamping mechanism 2 works to clamp the film, and at this time the cutting knife 31 moves longitudinally to cut the tape, and the cut film is clamped by the second clamping mechanism 4, and the outer end of the uncut film is clamped by the first clamping mechanism 2, so there will be no bouncing or adhesion overlap, which ensures the efficiency of subsequent gluing.

[0039] Specifically, the tape feed mechanism 10 includes a rotatable unwinding shaft 11 and multiple conveyor wheels 12 for guiding the film forward. One of the conveyor wheels 12 is a tensioning wheel 13, which can be moved longitudinally to adjust the tension of the tape. Driven by a motor, the unwinding shaft 11 rotates to unwind the film from the material tray. The film passes through the conveyor wheel 12 and the tensioning wheel 13 in sequence, and then passes through the first clamping mechanism 2 to achieve forward unwinding. During unwinding, the tension of the passing film can be adjusted by adjusting the height of the tensioning wheel 13 to prevent the film from being too loose or too tight, which affects the conveyor.

[0040] Furthermore, the unwinding shaft 11 is equipped with an expansion structure 14 capable of expanding and positioning the material tray. The expansion structure 14 comprises a mounting sleeve 15 and a mounting plate 16 coaxially sleeved on the unwinding shaft 11. The mounting sleeve 15 is radially formed with a movable groove 17, which is mounted with an elastically outwardly expanding expansion shaft 18. The mounting plate 16 is mounted with a swingable expansion bar 19, the outer end of which is movably connected to the expansion bar 19. After the material tray is mounted on the unwinding shaft 11, the expansion shaft 18 is elastically ejected radially along the movable groove 17. Under the action of the expansion shaft 18, the expansion bar 19 swings and expands around the mounting plate 16, thereby positioning the inner diameter of the material tray, preventing the material tray from slipping during unloading, and also positioning the material tray accordingly according to different material tray sizes.

[0041] Preferably, a compression spring sleeved on the opening shaft 18 is provided in the movable groove 17, and the compression spring can drive the opening shaft 18 to pop out radially along the movable groove 17. The mounting plate 16 is provided with a rotation groove, in which a rotation rod is provided, and one end of the opening bar 19 can swing around the rotation rod.

[0042] The film fed through the tape feed mechanism 10 passes through the first clamping mechanism 2, which includes a top clamping block 21 and a bottom clamping block 22 spaced apart. The gap formed by the top clamping block 21 and the bottom clamping block 22 allows the film to pass through. The top clamping block 21 can move longitudinally toward or away from the bottom clamping block 22. When the tape needs to be clamped, the top clamping block 21 is longitudinally moved toward the bottom clamping block 22. The top clamping block 21 and the bottom clamping block 22 fit together to clamp the tape tightly, preventing the tape from falling off during cutting.

[0043] Furthermore, the top clamping block 21 can be driven by the first lifting cylinder 23 to achieve lifting motion. The top of the bottom clamping block 22 is formed with a serrated surface 24 for frictional contact with the film. This can increase the friction between the top clamping block 21 and the film, making it more stable during clamping.

[0044] The film cutting mechanism 3 includes a cutting blade 31 that can move longitudinally and a guide structure 25 for guiding the cutting blade 31. When the tape needs to be cut, the cutting blade 31 moves longitudinally and the cutting blade 31 passes through the guide structure 25 to accurately cut the tape.

[0045] Specifically, the film cutting mechanism 3 also includes a mounting knife seat 32 for mounting a cutting knife 31 and a longitudinal driving member for driving the mounting knife seat 32 to move longitudinally. The mounting knife seat 32 includes a mounting seat 33 and a mounting plate 34 connected to the mounting seat 33. A mounting knife groove 35 for embedding and mounting the cutting knife 31 is formed on the inner side of the mounting plate 34 between the mounting seat 33 and the mounting plate 34. The cutting knife 31 is mounted between the mounting seat 33 and the mounting plate 34 through the mounting knife groove 35 to fix the cutting knife 31. Under the drive of the longitudinal driving member, the mounting knife seat 32 can be raised and lowered to cut the horizontally arranged tape.

[0046] Specifically, the longitudinal drive comprises a longitudinal guide rail 36 arranged longitudinally and a longitudinal telescopic cylinder 37 arranged parallel to the longitudinal guide rail 36. A longitudinal movable plate 38 is slidably mounted on the longitudinal guide rail 36. The mounting blade holder 32 is mounted on the longitudinal movable plate 38. The driving end of the longitudinal telescopic cylinder 37 is connected to the longitudinal movable plate 38. Driven by the longitudinal telescopic cylinder 37, the longitudinal movable plate 38 moves up and down along the longitudinal guide rail 36, thereby driving the cutting blade 31 mounted on the mounting seat 33 to move up and down, thereby cutting the transversely arranged tape.

[0047] Furthermore, the guide structure 25 includes a guide frame 26 for guiding the cutting blade 31 through, and a guide seat 27 for mounting the guide frame 26. The guide seat 27 is formed with an adjustment hole 28. The guide frame 26 is formed with an adjustment plate connected to the adjustment hole 28. The adjustment plate has a transverse adjustment slot 29 that cooperates with the adjustment hole 28. The adjustment slot 29 cooperates with the adjustment hole 28, and a bolt is inserted to lock it. The lateral position of the guide frame 26 can be adjusted to ensure that the cutting blade 31 can accurately move longitudinally under the guidance of the guide frame 26 when it is raised, achieving precise cutting.

[0048] The second clamping mechanism 4 includes a transverse clamping block 41 that can move toward or away from the film cutting mechanism 3. The transverse clamping block 41 can open and close to clamp the film. The second clamping mechanism 4 includes a transverse finger cylinder 42 for mounting the transverse clamping block 41 and a transverse movement assembly 40 for driving the transverse finger cylinder 42 to move laterally. The transverse finger cylinder 42 can drive the transverse clamping block 41 to open and close. Before cutting, the tape is conveyed forward by the tape feeding mechanism 10 and passes through the first clamping mechanism 2. At this time, the transverse clamping block 41 mounted on the transverse finger cylinder 42, driven by the transverse movement assembly 40, passes through the film cutting mechanism 3 and approaches the first clamping mechanism 2 to clamp the outer end of the film. The transverse movement assembly 40 then retracts, and after retracting to the required distance, it pauses, and the first clamping mechanism 2 clamps the film. At this point, the film cutting mechanism 3 can operate to cut the film.

[0049] Preferably, the transverse moving assembly 40 includes a transverse guide rail 45 arranged laterally and a transverse synchronous belt 43 arranged parallel to the transverse guide rail 45. A transmission seat 44 is installed on one of the long sides of the transverse synchronous belt 43. The transmission seat 44 is connected to the transverse finger cylinder 42, and the transmission seat 44 is slidingly connected to the transverse guide rail 45. The transverse synchronous belt 43 moves under the drive of the motor, and the transmission seat 44 moves along the long side. The transmission seat 44 moves in a straight line under the guidance of the transverse guide rail 45, thereby driving the transverse finger cylinder 42 to approach or move away from the film cutting mechanism 3, ensuring that the first clamping mechanism 2 and the second clamping mechanism 4 are laterally aligned.

[0050] In summary, it can be seen that the present invention has the above-mentioned excellent characteristics, which can enhance its performance unprecedented in the past and become a product with great practical value.

[0051] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there may be changes in the specific implementation methods and application scope. The content of this specification should not be understood as limiting the present invention.

Claims

1. The cutting mechanism of the lithium battery adhesive laminating equipment includes a tape feeding mechanism for conveying the film forward and a film cutting mechanism for cutting the film after the film is fed into place, and is characterized by: A first clamping mechanism and a second clamping mechanism are arranged along the forward direction of the film, the first clamping mechanism and the second clamping mechanism are arranged at intervals, the film cutting mechanism is located between the first clamping mechanism and the second clamping mechanism, and the first clamping mechanism and the second clamping mechanism are aligned horizontally; the film cutting mechanism includes a cutting knife that can move longitudinally and a guide structure for guiding the cutting knife; the second clamping mechanism includes a transverse clamping block that can approach or move away from the film cutting mechanism, and the transverse clamping block can open and close to clamp the film.

2. The cutting mechanism of the lithium battery gluing equipment according to claim 1, characterized in that: The first clamping mechanism includes a top clamping block and a bottom clamping block arranged with a gap, and the gap formed by the top clamping block and the bottom clamping block can allow the fed film to pass through; wherein the top clamping block can be longitudinally moved closer to or away from the bottom clamping block.

3. The cutting mechanism of the lithium battery gluing equipment according to claim 2, characterized in that: The top of the bottom clamping block is formed with a serrated surface for frictional contact with the film.

4. The cutting mechanism of the lithium battery gluing equipment according to claim 1, characterized in that: The second clamping mechanism includes a transverse finger cylinder for installing a transverse clamping block and a transverse movement assembly for driving the transverse finger cylinder to move transversely, wherein the transverse finger cylinder can drive the transverse clamping block to perform opening and closing movements.

5. The cutting mechanism of the lithium battery gluing equipment according to claim 4, characterized in that: The lateral movement assembly includes a transverse guide rail arranged laterally and a transverse synchronous belt arranged parallel to the transverse guide rail. A transmission seat is installed on one of the long sides of the transverse synchronous belt. The transmission seat is connected to the transverse finger cylinder, and the transmission seat is slidably connected to the transverse guide rail.

6. The cutting mechanism of the lithium battery gluing equipment according to claim 1, characterized in that: The film cutting mechanism also includes a mounting knife seat for mounting a cutting knife and a longitudinal driving member for driving the mounting knife seat to move longitudinally. The mounting knife seat includes a mounting seat and a mounting plate connected to the mounting seat. A mounting knife groove is formed on the inner side of the mounting plate for embedding and mounting the cutting knife.

7. The cutting mechanism of the lithium battery gluing equipment according to claim 6, characterized in that: The longitudinal driving member includes a longitudinal guide rail arranged longitudinally and a longitudinal telescopic cylinder arranged parallel to the longitudinal guide rail. The longitudinal guide rail is slidably installed with a longitudinal moving plate, the mounting knife seat is installed on the longitudinal moving plate, and the driving end of the longitudinal telescopic cylinder is connected to the longitudinal moving plate.

8. The cutting mechanism of the lithium battery gluing equipment according to claim 1, characterized in that: The guide structure includes a guide frame for guiding the cutting knife and a guide seat for installing the guide frame. The guide seat is formed with an adjustment hole, and the guide frame is formed with an adjustment plate connected to the adjustment hole. The adjustment plate has an adjustment long hole laterally matched with the adjustment hole. The lateral position of the guide frame can be adjusted by adjusting the long hole and matching the adjustment hole.

9. The cutting mechanism of the lithium battery gluing equipment according to claim 1, characterized in that: The adhesive tape feeding mechanism comprises a rotatable unwinding shaft and a plurality of conveying wheels for guiding the film to advance, wherein one of the conveying wheels is a tensioning wheel which can be longitudinally moved to adjust the tension of the adhesive tape.

10. The cutting mechanism of the lithium battery gluing equipment according to claim 9, characterized in that: The unwinding shaft is equipped with an expansion structure capable of expanding and positioning the material tray; the expansion structure includes a mounting sleeve and a mounting disk coaxially arranged on the unwinding shaft, the mounting sleeve is radially formed with a movable groove, the movable groove is equipped with an expansion shaft that elastically expands outward, the mounting disk is equipped with an expansion strip that can swing, and the outer end of the expansion shaft is movably connected to the expansion strip.

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