A kind of edge pressing mechanism on soft package lithium battery forming equipment

Abstract

This utility model discloses a hot-pressing and corner-pressing mechanism on a soft-pack lithium battery forming equipment, including a left hot-pressing block structure and a right hot-pressing block structure. A battery positioning platform is provided between the left and right hot-pressing block structures. The left and right hot-pressing block structures are connected to a positive and negative threaded rod, which is controlled to rotate by a Y-axis servo module. The battery positioning platform is provided with a fixed positioning block and a movable positioning block. The movable positioning block is controlled to move by an X-axis servo module. The Y-axis servo module is mounted on a mounting plate, and a corner-pressing mechanism is provided on one side of the mounting plate. This utility model integrates the hot-pressing and corner-pressing functions, reducing the space required for the mechanism and improving efficiency. The two sets of hot-pressing block components are driven by the positive and negative threaded rod, allowing the two hot-pressing blocks to open or clamp the hot-pressing edge simultaneously, which is convenient to control. This utility model uses an X-axis servo module to position the battery, and the two hot-pressing blocks are controlled by the Y-axis servo module to clamp and maintain pressure on the battery hot-pressing edge. Two corner-pressing cylinders control the corner-pressing rollers to press the corner position of the battery skirt.

Description

Technical Field

[0001] This utility model relates to a soft-pack lithium battery forming equipment, and in particular to a hot-pressing and corner-pressing mechanism on a soft-pack lithium battery forming equipment. Background Technology

[0002] After the soft-pack battery is injected with electrolyte and encapsulated, a skirt is formed on the side of the battery. This skirt then requires a series of processes, including flattening, cutting, corner pressing, and edge shaping. Currently, the corner pressing and edge shaping processes are performed by two separate mechanisms, which lengthens the production line for transporting the batteries and requires multiple battery positioning operations, making it difficult to improve production efficiency. Summary of the Invention

[0003] To overcome the shortcomings and deficiencies of existing technologies, the purpose of this utility model is to provide a hot-pressing and corner-pressing mechanism for a soft-pack lithium battery forming equipment. This utility model integrates the hot-pressing and corner-pressing processes into a single mechanism, allowing the hot-pressing and corner-pressing processes to be completed in a single battery positioning operation.

[0004] The objective of this utility model is achieved through the following technical solution: a hot-pressing and corner-pressing mechanism on a soft-pack lithium battery forming equipment, comprising a left hot-pressing block structure and a right hot-pressing block structure, a battery positioning platform provided between the left hot-pressing block structure and the right hot-pressing block structure, the left hot-pressing block structure and the right hot-pressing block structure connected to a positive and negative threaded rod, the positive and negative threaded rod being controlled to rotate by a Y-axis servo module, the battery positioning platform being provided with a fixed positioning block and a movable positioning block, the movable positioning block being controlled to move by an X-axis servo module, the Y-axis servo module being mounted on a mounting plate, and a corner-pressing mechanism being provided on one side of the mounting plate.

[0005] As an improvement of the hot edge pressing mechanism in the soft-pack lithium battery forming equipment of this utility model, both the left hot block structure and the right hot block structure include a bottom mounting plate. The two sides of the bottom mounting plate are slidably connected to an upper mounting plate through a slide rail and a slider. A limiting baffle is provided on one side of the bottom mounting plate. A vertical plate is provided on the upper mounting plate. Multiple springs are spaced apart between the limiting baffle and the upper mounting plate.

[0006] The upright plate is provided with a mounting base, and the mounting base is provided with a micrometer for adjusting the height of the heating block, which is connected to the heating block assembly.

[0007] As an improvement to the edge-pressing and corner-pressing mechanism in the soft-pack lithium battery forming equipment of this utility model, the hot-pressing block assembly includes a hot-pressing block connecting seat and a hot-pressing block mounting seat. The hot-pressing block connecting seat is slidably connected to the upright plate via a slide rail and a slider. Two interlocking grooves are spaced apart on the hot-pressing block connecting seat. An interlocking block is provided on one side of the hot-pressing block mounting seat corresponding to the two interlocking grooves. The interlocking block extends into the interlocking groove and is connected by a shaft pin. A hot-pressing block is provided on the other side of the hot-pressing block mounting seat, and a pressure sensor is provided on the hot-pressing block. The pressure sensor can monitor the hot-pressing pressure, preventing excessive pressure from deforming the battery and insufficient pressure from causing the folded edge to open.

[0008] As an improvement of the hot-pressing and corner-pressing mechanism in the soft-pack lithium battery forming equipment of this utility model, the two ends of the hot-pressing block connecting seat are respectively provided with an upper hot-pressing block angle adjustment screw and a lower hot-pressing block angle adjustment screw. One end of the upper hot-pressing block angle adjustment screw and the lower hot-pressing block angle adjustment screw abuts against the hot-pressing block mounting seat. The angle of the hot-pressing block is adjusted by adjusting the extension length of the upper hot-pressing block angle adjustment screw and the lower hot-pressing block angle adjustment screw.

[0009] As an improvement of the hot-pressing and corner-pressing mechanism in the soft-pack lithium battery forming equipment of this utility model, the bottom mounting plate is mounted on the sliding plate, and the sliding plate is connected to the positive and negative threaded screws through a screw nut; the mounting plate is provided with a linear slide rail, and the sliding plate is slidably connected to the linear slide rail through a linear slider;

[0010] The Y-axis servo module includes a Y-axis servo motor, one end of the positive and negative threaded screw is provided with a first driven pulley, and the output shaft of the Y-axis servo motor is provided with a first driving pulley. The first driving pulley is connected to the first driven pulley through a first synchronous belt.

[0011] When the Y-axis servo motor drives the forward and reverse threaded screws to rotate, the left and right hot plate structures move in opposite directions.

[0012] As an improvement of the hot-pressing and corner-pressing mechanism in the soft-pack lithium battery forming equipment of this utility model, the battery positioning platform is provided with a clearance hole in the middle, and the movable positioning block extends out from the clearance hole;

[0013] The X-axis servo module includes an X-axis servo motor and an X-axis transmission screw. The output shaft of the X-axis servo motor is provided with a second driving pulley, and one end of the X-axis transmission screw is provided with a second driven pulley. The second driven pulley is connected to the second driving pulley through a second synchronous belt. An X-axis screw nut is screwed onto the X-axis transmission screw, and the X-axis screw nut is connected to the movable positioning block.

[0014] As an improvement of the hot-pressing and corner-pressing mechanism in the soft-pack lithium battery forming equipment of this utility model, the corner-pressing mechanism includes a first side mounting block and a second side mounting block. The first side mounting block is fixed on the mounting plate, and the second side mounting block is slidably connected to the first side mounting block through a slide rail and a slider. A cylinder mounting plate is provided on the second side mounting block, and two corner-pressing cylinders are provided on the cylinder mounting plate. A corner-pressing roller mounting block is provided at the piston rod end of the corner-pressing cylinder. The corner-pressing roller mounting block is slidably connected to the cylinder mounting plate through a slide rail and a slider, and a corner-pressing roller is provided on the corner-pressing roller mounting block.

[0015] As an improvement to the edge-pressing and corner-pressing mechanism in the soft-pack lithium battery forming equipment of this utility model, a micrometer mounting block is provided at the bottom of the first side mounting block, and a roller height-adjusting micrometer is provided on the micrometer mounting block. The roller height-adjusting micrometer is connected to the bottom of the second side mounting block. The roller height-adjusting micrometer can adjust the height of the corner-pressing roller.

[0016] The beneficial effects of this utility model are as follows: The hot-pressing and corner-pressing mechanisms are integrated, reducing the space required for the mechanism and improving efficiency. Two sets of hot-pressing block assemblies are driven by positive and negative threaded screws, allowing the two hot-pressing blocks to open or clamp the hot-pressing edge simultaneously, facilitating control. This utility model uses an X-axis servo module to position the battery, while the two hot-pressing blocks are controlled by a Y-axis servo module to clamp and maintain pressure on the battery's hot-pressing edge. Two corner-pressing cylinders control the corner-pressing rollers to press the corner of the battery skirt. Attached Figure Description

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is a perspective view of the present invention from another angle;

[0019] Figure 3 This is the front view of this utility model;

[0020] Figure 4 This is a side view of the present invention;

[0021] Figure 5 This is a top view of the present invention. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0024] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0025] like Figures 1-5 As shown, a hot-pressing and corner-pressing mechanism on a soft-pack lithium battery forming equipment includes a left hot-pressing block structure 1 and a right hot-pressing block structure 2. A battery positioning platform 3 is provided between the left hot-pressing block structure 1 and the right hot-pressing block structure 2. The left hot-pressing block structure 1 and the right hot-pressing block structure 2 are connected to a positive and negative threaded rod 4. The positive and negative threaded rod 4 is controlled to rotate by a Y-axis servo module 5. The battery positioning platform 3 is provided with a fixed positioning block 31 and a movable positioning block 32. The movable positioning block 32 is controlled to move by an X-axis servo module 6. The Y-axis servo module 5 is mounted on a mounting plate 7. A corner-pressing mechanism 8 is provided on one side of the mounting plate 7.

[0026] Preferably, both the left hot plate structure 1 and the right hot plate structure 2 include a bottom mounting plate 11. An upper mounting plate 12 is slidably connected to both sides of the bottom mounting plate 11 via a slide rail and a slider. A limiting baffle 13 is provided on one side of the bottom mounting plate 11. A standing plate 14 is provided on the upper mounting plate 12. A plurality of springs 15 are spaced apart between the limiting baffle 13 and the upper mounting plate 12.

[0027] The upright plate 14 is provided with a mounting base 16, and the mounting base 16 is provided with a hot plate height adjustment micrometer 17, which is connected to the hot plate assembly 18.

[0028] Preferably, the hot-fix assembly 18 includes a hot-fix connecting seat 181 and a hot-fix mounting seat 182. The hot-fix connecting seat 181 is slidably connected to the upright plate 14 via a slide rail and a slider. The hot-fix connecting seat 181 is provided with two interlocking grooves 183 spaced apart. On one side of the hot-fix mounting seat 182, corresponding to the positions of the two interlocking grooves 183, there are interlocking blocks 184. The interlocking blocks 184 extend into the interlocking grooves 183 and are connected by a shaft pin. On the other side of the hot-fix mounting seat 182, there is a hot-fix block 185, and a pressure sensor is provided on the hot-fix block 185. The pressure sensor can monitor the hot-fix pressure and prevent the battery from deforming due to excessive pressure or the folded edge from opening due to insufficient pressure.

[0029] Preferably, the two ends of the hot plate connecting seat 181 are respectively provided with an upper hot plate angle adjusting screw 186 and a lower hot plate angle adjusting screw 187. One end of the upper hot plate angle adjusting screw 186 and the lower hot plate angle adjusting screw 187 abuts against the hot plate mounting seat 182. The angle of the hot plate 185 is adjusted by adjusting the extension length of the upper hot plate angle adjusting screw 186 and the lower hot plate angle adjusting screw 187.

[0030] Preferably, the bottom mounting plate 11 is mounted on the sliding plate, and the sliding plate is connected to the positive and negative thread screws 4 through a screw nut; the mounting plate 7 is provided with a linear slide rail, and the sliding plate is slidably connected to the linear slide rail through a linear slider;

[0031] The Y-axis servo module 5 includes a Y-axis servo motor, a first driven pulley is provided at one end of the forward and reverse threaded screw 4, and a first driving pulley is provided on the output shaft of the Y-axis servo motor. The first driving pulley is connected to the first driven pulley through a first synchronous belt.

[0032] When the Y-axis servo motor drives the forward and reverse threaded rods to rotate, the left heating block structure 1 and the right heating block structure 2 move in opposite directions.

[0033] Preferably, the battery positioning platform 3 has a clearance hole 33 in the middle, and the movable positioning block 32 extends out from the clearance hole 33;

[0034] The X-axis servo module 6 includes an X-axis servo motor and an X-axis transmission screw. The output shaft of the X-axis servo motor is equipped with a second driving pulley, and one end of the X-axis transmission screw is equipped with a second driven pulley. The second driven pulley is connected to the second driving pulley through a second synchronous belt. An X-axis screw nut is screwed onto the X-axis transmission screw, and the X-axis screw nut is connected to a movable positioning block.

[0035] Preferably, the corner pressing mechanism 8 includes a first side mounting block 81 and a second side mounting block 82. The first side mounting block 81 is fixed on the mounting plate 7. The second side mounting block 82 is slidably connected to the first side mounting block 81 via a slide rail and a slider. The second side mounting block 82 is provided with a cylinder mounting plate 83. The cylinder mounting plate 83 is provided with two corner pressing cylinders 84. The piston rod end of the corner pressing cylinder 84 is provided with a corner pressing roller mounting block 85. The corner pressing roller mounting block 85 is slidably connected to the cylinder mounting plate 83 via a slide rail and a slider. The corner pressing roller mounting block 85 is provided with a corner pressing roller 86.

[0036] Preferably, the bottom of the first side mounting block 81 is provided with a micrometer mounting block 87, and the micrometer mounting block 87 is provided with a roller height adjusting micrometer 88, which is connected to the bottom of the second side mounting block 82. The roller height adjusting micrometer 88 can adjust the height of the pressure roller 86.

[0037] Although embodiments of the present invention 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 to these embodiments without departing from the principles and structure of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hot-pressing and corner-pressing mechanism on a soft-pack lithium battery forming equipment, characterized in that, It includes a left heatsink structure and a right heatsink structure, with a battery positioning platform between the left heatsink structure and the right heatsink structure. The left heatsink structure and the right heatsink structure are connected to a positive and negative threaded rod, which is controlled to rotate by a Y-axis servo module. The battery positioning platform is provided with a fixed positioning block and a movable positioning block. The movable positioning block is controlled to move by an X-axis servo module. The Y-axis servo module is mounted on a mounting plate, and a corner pressing mechanism is provided on one side of the mounting plate.

2. The hot-pressing and corner-pressing mechanism on the soft-pack lithium battery forming equipment according to claim 1, characterized in that, Both the left and right hot plate structures include a bottom mounting plate. An upper mounting plate is slidably connected to both sides of the bottom mounting plate via slide rails and sliders. A limiting baffle is provided on one side of the bottom mounting plate. An upright plate is provided on the upper mounting plate. Multiple springs are spaced apart between the limiting baffle and the upper mounting plate. The upright plate is provided with a mounting base, and the mounting base is provided with a micrometer for adjusting the height of the heating block, which is connected to the heating block assembly.

3. The hot-pressing and corner-pressing mechanism on the soft-pack lithium battery forming equipment according to claim 2, characterized in that, The hot plate assembly includes a hot plate connecting seat and a hot plate mounting seat. The hot plate connecting seat is slidably connected to the upright plate via a slide rail and a slider. The hot plate connecting seat has two interlocking grooves spaced apart. One side of the hot plate mounting seat has an interlocking block corresponding to the two interlocking grooves. The interlocking block extends into the interlocking groove and is connected by a shaft pin. The other side of the hot plate mounting seat has a hot plate, and the hot plate is equipped with a pressure sensor.

4. The hot-pressing and corner-pressing mechanism on the soft-pack lithium battery forming equipment according to claim 3, characterized in that, The two ends of the heat-adjusting block connecting seat are respectively provided with an upper heat-adjusting block angle adjustment screw and a lower heat-adjusting block angle adjustment screw. One end of the upper heat-adjusting block angle adjustment screw and the lower heat-adjusting block angle adjustment screw abuts against the heat-adjusting block mounting seat. The angle of the heat-adjusting block is adjusted by adjusting the extension length of the upper heat-adjusting block angle adjustment screw and the lower heat-adjusting block angle adjustment screw.

5. The hot-pressing and corner-pressing mechanism on the soft-pack lithium battery forming equipment according to claim 2, characterized in that, The bottom mounting plate is mounted on the sliding plate, and the sliding plate is connected to the positive and negative threaded screws via a screw nut; the mounting plate is provided with a linear slide rail, and the sliding plate is slidably connected to the linear slide rail via a linear slider; The Y-axis servo module includes a Y-axis servo motor, one end of the positive and negative threaded screw is provided with a first driven pulley, and the output shaft of the Y-axis servo motor is provided with a first driving pulley. The first driving pulley is connected to the first driven pulley through a first synchronous belt. When the Y-axis servo motor drives the forward and reverse threaded screws to rotate, the left and right hot plate structures move in opposite directions.

6. The hot-pressing and corner-pressing mechanism on the soft-pack lithium battery forming equipment according to claim 1, characterized in that, The battery positioning platform has a clearance hole in the middle, and the movable positioning block extends out from the clearance hole; The X-axis servo module includes an X-axis servo motor and an X-axis transmission screw. The output shaft of the X-axis servo motor is provided with a second driving pulley, and one end of the X-axis transmission screw is provided with a second driven pulley. The second driven pulley is connected to the second driving pulley through a second synchronous belt. An X-axis screw nut is screwed onto the X-axis transmission screw, and the X-axis screw nut is connected to the movable positioning block.

7. The hot-pressing and corner-pressing mechanism on the soft-pack lithium battery forming equipment according to claim 1, characterized in that, The corner pressing mechanism includes a first side mounting block and a second side mounting block. The first side mounting block is fixed to the mounting plate, and the second side mounting block is slidably connected to the first side mounting block via a slide rail and a slider. The second side mounting block is provided with a cylinder mounting plate, and the cylinder mounting plate is provided with two corner pressing cylinders. The piston rod end of the corner pressing cylinder is provided with a corner pressing roller mounting block, and the corner pressing roller mounting block is slidably connected to the cylinder mounting plate via a slide rail and a slider. The corner pressing roller mounting block is provided with a corner pressing roller.

8. The hot-pressing and corner-pressing mechanism on the soft-pack lithium battery forming equipment according to claim 7, characterized in that, The bottom of the first side mounting block is provided with a micrometer mounting block, and the micrometer mounting block is provided with a roller height adjusting micrometer, which is connected to the bottom of the second side mounting block.

Images