Battery cell transplanting clamp

Abstract

A battery cell transplanting clamp comprises a bottom plate, a mounting seat, a connecting block and a clamping spring arranged between the connecting block and the bottom plate, and the clamping spring provides downward moving force for the connecting block. The lever pair is arranged in the mounting groove and comprises a pair of oppositely arranged levers; the guide push rod is connected with the connecting block, the guide push rod penetrates through a through hole in the mounting base and extends into the mounting groove, the two levers of the lever pair are hinged to the top of the guide push rod through the same rotating shaft, and the guide push rod can drive the two levers of the lever pair to be opened or closed when moving up and down; the translation sliding blocks are horizontally and movably arranged at the top of the mounting seat, and each lever in the lever pair is connected with one translation sliding block; the clamping jaws are oppositely arranged, each translation sliding block is provided with one clamping jaw, and when the connecting block moves downwards, the clamping jaws are driven to clamp through the guide push rod, the lever pair and the translation sliding blocks. According to the utility model, the battery cell can be automatically clamped, so that the stable position of the battery cell in the transplanting process is ensured, and the positioning precision after transplanting is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery automatic production equipment, and particularly relates to a core transplanting fixture for a core transplanting mechanism. Background Art

[0002] With the rapid development of the lithium battery industry, the application of lithium batteries is becoming more and more extensive. During the production process of the battery core, it is often necessary to transfer between different workstations. Due to its structural reasons, cylindrical battery cores are usually transplanted using fixtures. However, the existing transplanting fixtures only simply carry the battery cores without restraining them, and position errors such as self-rotation and offset of the battery cores will occur during high-speed transplanting, affecting the positioning accuracy of subsequent operation workstations. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a self-clamping core transplanting fixture that can ensure the stable position of the core during the transplanting process and does not affect the positioning accuracy of subsequent workstations.

[0004] To achieve the above purpose, the utility model adopts the following technical solution:

[0005] A core transplanting fixture includes: a bottom plate; a mounting seat disposed on the bottom plate, a concave portion is provided at the bottom of the mounting seat, and a mounting groove is provided at the top; a connecting block disposed in the concave portion; a clamping spring disposed between the connecting block and the bottom plate, one end of the clamping spring is connected to the connecting block, and the other end is connected to the bottom plate, providing a downward force for the connecting block; a pair of levers disposed in the mounting groove, the pair of levers includes a pair of oppositely disposed levers; a guiding push rod connected to the connecting block, the guiding push rod passes through a through hole on the mounting seat and extends into the mounting groove, the two levers of the pair of levers are hinged to the top of the guiding push rod through the same rotating shaft, and the guiding push rod can drive the two levers of the pair of levers to open / close when moving up and down; a translation slider movably disposed horizontally on the top of the mounting seat, each lever of the pair of levers is respectively connected to one of the translation sliders; oppositely disposed clamping jaws, each translation slider is provided with one of the clamping jaws, and when the connecting block moves down, the clamping jaws are driven to clamp through the guiding push rod, the pair of levers and the translation sliders.

[0006] In some embodiments, it further includes a jaw opening component for opening the jaws; the jaw opening component includes a cam follower mounting block movably arranged horizontally on the base plate, a cam follower arranged in a track groove on the cam follower mounting block, a push plate connected to the cam follower mounting block, and a push plate translation driving unit for horizontally moving the push plate; the shaft of the cam follower is connected to the connecting block; when the cam follower mounting block moves, the cam follower moves along the track of the track groove, thereby driving the connecting block to move upward.

[0007] In some embodiments, magnetic positioning blocks are arranged on the base plate, the magnetic positioning blocks are located on both sides of the cam follower mounting block, the cam follower mounting block is a magnetic metal block, or magnetic metal parts are arranged at both ends of the cam follower mounting block.

[0008] In some embodiments, the lever in the lever alignment is an L-shaped lever, one end of the L-shaped lever is connected to the translation slider, and the other end is hinged to the guiding push rod through the same rotating shaft.

[0009] In some embodiments, an oil-free bushing is arranged in the through hole, and the guiding push rod is arranged in the oil-free bushing.

[0010] In some embodiments, a linear bearing is arranged on the connecting block, a guiding shaft is arranged in the linear bearing, and the top of the guiding shaft is connected to the mounting seat.

[0011] In some embodiments, a mounting seat top plate is arranged on the top of the mounting seat, the mounting seat top plate is provided with a horizontally extending chute, and the translation slider is arranged in the chute and can move along the chute.

[0012] In some embodiments, the base plate is arranged on a left-right transverse sliding rail and can move along the left-right transverse sliding rail.

[0013] Further, the left-right transverse sliding rail is arranged on a lifting frame, and the lifting frame can move up and down.

[0014] As can be seen from the above technical solutions, the present utility model designs translatable jaws, through transmission structures such as a lever pair, a guiding push rod, and a connecting block, and uses a clamping spring as a clamping power source, and clamps the battery cell by means of the elastic force of the clamping spring to ensure the stable position of the battery cell during the transplanting process, avoid position changes, and improve the positioning accuracy after transplanting. In a specific embodiment, through transmission structures such as a cam follower, the connecting block is lifted to open the jaws, release the clamping force, cancel the clamping restraint on the battery cell, and facilitate the loading and unloading of the battery cell. Description of the Drawings

[0015] To more clearly illustrate the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 Structural schematic diagram of the battery cell transplanting fixture of the embodiment of the present utility model disposed on the fixture moving assembly;

[0017] Figure 2 Structural schematic diagram of the battery cell transplanting fixture of the embodiment of the present utility model disposed on the fixture moving assembly from another angle;

[0018] Figure 3 Structural schematic diagram of the battery cell transplanting fixture of the embodiment of the present utility model;

[0019] Figure 4 Cross-sectional view of the battery cell transplanting fixture of the embodiment of the present utility model;

[0020] Figure 5 Structural schematic diagram of the jaw opening assembly of the embodiment of the present utility model;

[0021] Figure 6 Top view of the jaw opening assembly of the embodiment of the present utility model;

[0022] Figure 7 Side view of the jaw opening assembly of the embodiment of the present utility model.

[0023] The following further details the specific embodiments of the present utility model in conjunction with the accompanying drawings. Specific Embodiments

[0024] The present utility model will be described in detail below in conjunction with the accompanying drawings. When detailing the embodiments of the present utility model, for ease of explanation, the drawings showing the device structure will be enlarged locally not in accordance with the general scale, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model here. It should be noted that the drawings are in a simplified form and all use non-precise scales, only for facilitating and clearly assisting in explaining the purpose of the embodiments of the present utility model. At the same time, in the description of the present application, terms such as "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features; terms such as "front", "back", "bottom", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for facilitating the description of the present utility model and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0025] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can also be the communication inside two components. It can be a wireless connection or a wired connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0026] The battery cell transplanting mechanism is used to realize the transfer of battery cells between different workstations. The battery cell transplanting mechanism usually uses a battery cell clamp to carry the battery cells. The battery cell clamp is usually fixed in size. After the battery cell is placed on the battery cell clamp, there is no restraint, and rotation, displacement, etc. may occur during the movement, resulting in position errors and affecting the positioning accuracy of subsequent workstations. Based on the problems existing in the existing battery cell clamps, the present utility model designs a self-clamping battery cell transplanting clamp, which can clamp the battery cell through the clamping jaws, thereby effectively avoiding position changes during the battery cell transplanting process and finally ensuring the positioning accuracy of the battery cell.

[0027] Refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the battery cell transplanting clamp of this embodiment includes a bottom plate 1, a mounting seat 2, a clamping spring 3, a connecting block 4, a guiding push rod 5, a lever pair 6, a translation slider 7, a mounting seat top plate 8, clamping jaws 9 and a clamping jaw opening assembly 10.

[0028] The mounting seat 2 is arranged on the bottom plate 1, and the clamping jaws 9 are arranged on the mounting seat 2. In this embodiment, two pairs of clamping jaws 9 are arranged on the mounting seat 2, and one pair of clamping jaws 9 is used to clamp one battery cell 100. In other embodiments, the number of clamping jaws arranged on the mounting seat 2 can change according to production requirements. One pair of clamping jaws can be arranged, or more than two pairs of clamping jaws can be arranged, which is not limited here.

[0029] A recess 2a is arranged at the bottom of the mounting seat 2, the connecting block 4 is arranged in the recess 2a and can move up and down in the recess 2a along the vertical direction. The clamping spring 3 is arranged between the connecting block 4 and the bottom plate 1. One end of the clamping spring 3 is connected to the connecting block 4, and the other end is connected to the bottom plate 1. The clamping spring 3 provides a force for the connecting block 4 to move downward.

[0030] The top of the mounting base 2 is provided with a mounting groove 2b for the mounting lever pair 6. The lever pair 6 in this embodiment includes a pair of oppositely arranged L-shaped levers 6-1. One end of the L-shaped lever 6-1 is connected to the translation slider 7, and the other end is hinged to the guiding push rod 5 through the same rotating shaft 6-2. The guiding push rod 5 passes through the through hole on the mounting base 2, and its top is hinged to the lever pair 6 and the bottom is connected to the connecting block 4. When the connecting block 4 moves up and down, it can drive the guiding push rod 5 to move up and down. During the up and down movement of the guiding push rod 5, it further drives the two L-shaped levers 6-1 to rotate around the rotating shaft 6-2, so that the lever pair 6 can perform actions similar to opening and closing. In other embodiments, a sliding groove can also be directly provided at the top of the mounting base, and the translation slider is arranged in the sliding groove and moves along the sliding groove.

[0031] Optionally, in this embodiment, an oil-free bushing 14 is arranged in the through hole, and the guiding push rod 5 is arranged in the oil-free bushing 14. In order to ensure the perpendicularity of the up and down movement of the connecting block 4, preferably, a linear bearing 11 is arranged on the connecting block 4, the guiding shaft 12 is arranged in the linear bearing 11, and the top of the guiding shaft 12 is connected to the mounting base 2. During the up and down movement of the connecting block 4, the perpendicularity of the movement can be ensured under the guiding action of the guiding shaft 12.

[0032] In this embodiment, a mounting base top plate 8 is arranged at the top of the mounting base 2. A horizontally extending sliding groove 8a is arranged on the mounting base top plate 8. The translation slider 7 is arranged in the sliding groove 8a and can move along the sliding groove 8a. The clamping jaws 9 are arranged on the translation slider 7 and can move together with the translation slider 7. A set of lever pairs 6 is used to control the actions of a pair of clamping jaws 9. When the two L-shaped levers 6-1 connected to the same guiding push rod 5 approach or move away from each other during the up and down movement of the guiding push rod 5, it can drive a pair of translation sliders 7 connected to the two L-shaped levers 6-1 to approach or move away from each other in the sliding groove 8a, so that the clamping jaws arranged on the translation slider 7 also approach each other to clamp the battery cell or move away from each other to release the battery cell.

[0033] The function of the clamping spring 3 is to make the connecting block 4 move downward, thereby driving the guiding push rod 5 to also move downward. The L-shaped levers 6-1 approach each other, and the clamping jaws 9 (translation sliders 7) approach each other to clamp the battery cell. The opening of the clamping jaws 9 is controlled by the clamping jaw opening assembly 10. In other embodiments, the clamping jaws 9 can also be opened by other means.

[0034] Refer to Figure 2 、 Figure 5 、 Figure 6 and Figure 7, the jaw opening assembly 10 of this embodiment includes a cam follower 10-1, a cam follower mounting block 10-2, a push plate 10-3, and a push plate translation drive unit (not shown). The cam follower mounting block 10-2 is horizontally movably arranged on the bottom plate 1. A track groove 10-2a is machined on the cam follower mounting block 10-2, and the cam follower 10-1 is arranged in the track groove 10-2a. The push plate 10-3 is connected to the cam follower mounting block 10-2. The push plate translation drive unit can push the push plate 10-3 to move horizontally, and the push plate 10-3 drives the cam follower mounting block 10-2 to move horizontally on the bottom plate 1. When the cam follower mounting block 10-2 moves, the cam follower 10-1 moves up and down according to the track of the track groove 10-2a. The shaft of the cam follower 10-1 is connected to the connecting block 4, so that when the cam follower 10-1 moves upward according to the track of the track groove 10-2a, the connecting block 4 is driven to move upward.

[0035] In this embodiment, a horizontal guide rail 10-4 is arranged on the bottom plate 1, and the cam follower mounting block 10-2 is arranged on the horizontal guide rail 10-4. The push plate 10-3 is connected to the cam follower mounting block 10-2. The push plate 10-3 moves horizontally along the horizontal guide rail 10-4 under the drive of the push plate translation drive unit. The push plate translation drive unit can adopt conventional drive elements such as air cylinders. When the cam follower mounting block 10-2 moves, the cam follower 10-1 will be in different positions of the track groove 10-2a, so as to move according to the track of the track groove 10-2a, and then drive the connecting block 4 to move.

[0036] Optionally, magnetic positioning blocks 10-5 are further arranged on the bottom plate 1. The magnetic positioning blocks 10-5 are located on both sides of the cam follower mounting block 10-2. The cam follower mounting block 10-2 is a magnetic metal block, or magnetic metal parts are arranged at both ends of the cam follower mounting block, and can be adsorbed together with the magnetic positioning blocks 10-5. The magnetic positioning blocks 10-5 fix the cam follower mounting block 10-2 by magnetic force. When the cam follower mounting block 10-2 moves into place, it is adsorbed together with the magnetic positioning holes 10-5, so as to ensure the stability of the cam follower mounting block 10-2 in the in-place state, and also ensure the stability of the jaw state.

[0037] As a specific implementation manner of the present utility model, the bottom plate 1 is arranged on a left-right transverse sliding rail 13. Under the action of a transverse movement drive unit (not shown), the bottom plate 1 can move along the left-right transverse sliding rail 13 to meet the transverse movement requirements of the fixture. In this embodiment, a cam (not shown) is used to drive the left-right transverse movement of the bottom plate 1. The cam contacts a first cam mating part 15 connected to the bottom plate 1. When the cam rotates, it drives the first cam mating part 15 to move left and right, thereby driving the bottom plate 1 to move left and right.

[0038] Further optionally, the left and right horizontal translation slide rails 13 are arranged on the jacking frame 14. Under the action of the jacking drive unit, the jacking frame 14 can jack up the whole cell transplanting fixture to meet the jacking requirement of the fixture. In this embodiment, a cam (not shown) is used to drive the up and down movement of the jacking frame 14. The cam contacts the second cam mating part 16 connected to the jacking frame 14. When the cam rotates, it drives the second cam mating part 16 to move up and down, thereby driving the jacking frame 14 to move up and down. By using the cam drive method, the bottom plate 1 and the jacking frame 14 can share the same cam drive shaft and the same drive device through the link transmission mechanism, which not only reduces the number of drive elements but also realizes the coherence and consistency of the actions. In other embodiments, conventional drive devices such as motors and cylinders can also be used to drive the movement of the bottom plate 1 and the jacking frame 14.

[0039] The following figures illustrate the operation process of the fixture in this embodiment.

[0040] When the cell 100 transferred from the previous station is placed between the oppositely arranged jaws 9, the connecting block 4 moves downward under the action of the clamping spring 3, driving the guiding push rod 5 to move downward. While the guiding push rod 5 moves downward, it drives the lever pair 6 to approach each other, and the two translation sliders 7 connected to the lever pair 6 also approach each other. The jaws 9 arranged on the translation sliders 7 clamp the cell.

[0041] When the cell transplanting fixture moves to the blanking station, the push plate translation drive unit pushes the push plate 10-3. The push plate 10-3 drives the cam follower mounting block 10-2 to move horizontally. The cam follower 10-1 moves upward and drives the connecting block 4 to move upward through the shaft of the cam follower 10-1, driving the guiding push rod 5 to move upward. The lever pair 6 hinged to the guiding push rod 5 moves away from each other, and the two translation sliders 7 connected to the lever pair 6 also move away from each other. The jaws 9 arranged on the translation sliders 7 release the cell. During the transplanting process, the jaws 9 always remain clamped to prevent the position of the cell from changing, ensuring the positioning accuracy of the next station.

[0042] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A battery cell transplanting fixture, characterized in that: include: Base plate; A mounting seat is arranged on the bottom plate, wherein the bottom of the mounting seat is provided with a recess and the top of the mounting seat is provided with a mounting groove; a connecting block disposed in the recess; A clamping spring disposed between the connecting block and the bottom plate, one end of the clamping spring being connected to the connecting block and the other end being connected to the bottom plate, so as to provide a force for the connecting block to move downward; A lever pair disposed in the mounting groove, the lever pair comprising a pair of levers disposed opposite to each other; A guide push rod connected to the connecting block, the guide push rod passes through the through hole on the mounting seat and extends into the mounting groove, the two levers of the lever pair are hinged to the top of the guide push rod through the same rotating shaft, and the guide push rod can move up and down to drive the two levers of the lever pair to open / close; A translation slider is horizontally movably arranged on the top of the mounting seat, and each lever in the lever pair is respectively connected to one of the translation sliders; The clamping jaws are arranged opposite to each other, and each of the translational sliders is provided with a clamping jaw. When the connecting block moves downward, the clamping jaws are driven to clamp through the guide push rod, the lever pair and the translational slider.

2. The battery cell transplanting fixture according to claim 1, characterized in that: It also includes a jaw opening assembly for opening the jaws; the jaw opening assembly includes a cam follower mounting block horizontally movably arranged on the base plate, a cam follower arranged in a track groove on the cam follower mounting block, a push plate connected to the cam follower mounting block, and a push plate translation drive unit for pushing the push plate to move horizontally; the shaft of the cam follower is connected to the connecting block; when the cam follower mounting block moves, the cam follower moves along the track of the track groove, thereby driving the connecting block to move upward.

3. The battery cell transplanting fixture as claimed in claim 2, characterized in that: The bottom plate is provided with magnetic positioning blocks, and the magnetic positioning blocks are located at both sides of the cam follower mounting block. The cam follower mounting block is a magnetic metal block, or magnetic metal parts are provided at both ends of the cam follower mounting block.

4. The battery cell transplanting fixture according to claim 1, characterized in that: The lever in the lever pair is an L-shaped lever, one end of which is connected to the translation slider, and the other end of which is hinged to the guide push rod through the same rotating shaft.

5. The battery cell transplanting fixture according to claim 1, characterized in that: An oil-free bushing is arranged in the through hole, and the guide push rod is arranged in the oil-free bushing.

6. The battery cell transplanting fixture according to claim 1, characterized in that: A linear bearing is arranged on the connecting block, a guide shaft is arranged inside the linear bearing, and the top of the guide shaft is connected to the mounting seat.

7. The battery cell transplanting fixture according to claim 1, characterized in that: A mounting seat top plate is arranged on the top of the mounting seat, and a horizontally extending slide groove is arranged on the mounting seat top plate. The translation sliding block is arranged in the slide groove and can move along the slide groove.

8. The battery cell transplanting fixture according to claim 1, characterized in that: The bottom plate is arranged on a left-right lateral sliding rail and can move along the left-right lateral sliding rail.

9. The battery cell transplanting fixture as claimed in claim 8, characterized in that: The left and right transverse sliding rails are arranged on a lifting frame, and the lifting frame can move up and down.

Images