Battery cell transfer mechanism

Abstract

The utility model provides a kind of electric core transfer mechanism, including driving element, adapter plate and two jaw modules of adjustablely arranged in adapter plate, adapter plate is arranged in driving element, driving element acts on adapter plate to enable it can move along vertical direction, two jaw modules can be mutually close or away along first direction;Jaw module includes adjusting block and claw body, at least two claw bodies are adjustablely arranged in adjusting block along second direction, first anti-overturning structure is configured on adjusting block, second anti-overturning structure is configured on claw body and is adapted and is clamped with first anti-overturning structure;First direction, second direction and vertical direction are perpendicular two by two;Claw body is extended and arranged along vertical direction.The first anti-overturning structure and the second anti-overturning structure of the utility model cooperate, improve the adjustable assembly structure stability of claw body and adjusting block, and the assembly structure is little deformed after claw body stress, avoid the problem that square shell electric core is not firmly clamped.

Description

Technical Field

[0001] This utility model relates to the field of battery cell clamping technology, and in particular to a battery cell transfer mechanism. Background Technology

[0002] In production, prismatic battery cells need to be transferred between different workstations. Currently, gripper cylinders are often used in conjunction with grippers to hold the cells, ensuring stability during transfer. The spatial position of the cells is then changed via a gantry double-drive mechanism or a robotic arm. However, the prismatic battery cell has a certain height, resulting in a long structural extension of the grippers along its height, creating a cantilever structure. Simultaneously, the cell has a certain width, requiring at least two grippers along its width. To accommodate different cell sizes, these two grippers are typically adjustable. Therefore, during the gripper cylinder-driven clamping process, the grippers experience a harsh stress environment, and their assembly structure is prone to deformation, leading to insecure clamping of the battery cells. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a battery cell transfer mechanism with good structural stability, which can effectively avoid the problem of unreliable clamping of prismatic battery cells.

[0004] The embodiments of this utility model are achieved through the following technical solutions:

[0005] A battery cell transfer mechanism includes a drive unit, an adapter plate, and two gripper modules adjustablely disposed on the adapter plate. The adapter plate is disposed on the drive unit, and the drive unit acts on the adapter plate to enable it to move in a vertical direction. The two gripper modules can move closer to or further away from each other along a first direction. Each gripper module includes an adjustment block and a gripper body. At least two gripper bodies are adjustablely disposed on the adjustment block along a second direction. The adjustment block is provided with a first anti-rollover structure, and the gripper body is provided with a second anti-rollover structure that is adapted to and engages with the first anti-rollover structure. The first direction, the second direction, and the vertical direction are perpendicular to each other. The gripper body extends along the vertical direction.

[0006] According to a preferred embodiment, the second anti-overturning structure is a dovetail groove, and the first anti-overturning structure is a guide ridge disposed on the adjusting block. The guide ridge extends along the second direction, and the axial cross-sectional shape of the guide ridge is adapted to the dovetail groove.

[0007] According to a preferred embodiment, the second anti-overturning structure is a T-slot, and the first anti-overturning structure is a guide ridge disposed on the adjusting block. The guide ridge extends along the second direction, and the axial cross-sectional shape of the guide ridge is adapted to the T-slot.

[0008] According to a preferred embodiment, the adjusting block is provided with at least two sets of adjusting holes along its upper edge, each set of adjusting holes including a plurality of adjusting screw holes spaced apart along the second direction, and the claw body is provided with a first mounting hole corresponding to the adjusting screw holes.

[0009] According to a preferred embodiment, the adjusting block is provided with an adjusting slot through it, the adjusting slot extending along the second direction, and the claw body is provided with a second mounting hole corresponding to the adjusting slot.

[0010] According to a preferred embodiment, the claw body includes a connecting portion and a clamping portion, and the second anti-overturning structure is disposed on the connecting portion; the clamping portion is slidably connected to the connecting portion, and the clamping portion is capable of sliding relative to the connecting portion in the vertical direction; the connecting portion is provided with a guide block and a first limiting block, the clamping portion is provided with a second limiting block, the second limiting block is located between the guide block and the first limiting block, the guide block is higher than the first limiting block in the vertical direction, and a guide hole is provided through the guide block in the vertical direction; a guide shaft is disposed on the second limiting block, the guide shaft is embedded in the guide hole, and a buffer spring is sleeved on the guide shaft, the buffer spring being located between the guide block and the first limiting block.

[0011] According to a preferred embodiment, the inner sidewall of the clamping portion is provided with a friction pad.

[0012] According to a preferred embodiment, a support hook is provided at the end of the clamping part away from the adjusting block, and a hook protrusion is provided on the support hook, wherein the hook protrusion is higher than the friction pad in the direction from the clamping part to the friction pad.

[0013] The technical solution of this utility model embodiment has at least the following advantages and beneficial effects:

[0014] The first and second anti-flip structures of this utility model work together to improve the strength of the assembly structure of the claw body and the adjusting block, improve the stability of the adjustable assembly structure of the claw body and the adjusting block, and reduce the deformation of the assembly structure after the claw body is subjected to force, thus avoiding the problem of unreliable clamping of the square-shell battery cell. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A three-dimensional structural schematic diagram of the battery cell transfer mechanism provided in an embodiment of this utility model;

[0017] Figure 2 A three-dimensional structural diagram of the battery cell transfer mechanism after removing the drive component and adapter plate, provided in an embodiment of this utility model;

[0018] Figure 3 An exploded view of the gripper module provided in an embodiment of this utility model;

[0019] Figure 4 An exploded view of the claw body provided in an embodiment of this utility model.

[0020] Icons: 1. Drive unit; 2. Adapter plate; 3. Gripper module; 31. Adjusting block; 311. First anti-rollover structure; 312. Adjusting screw hole; 313. Adjusting slot; 314. Slide groove; 315. Fixing block; 32. Gripper body; 321. Connecting part; 3211. Second anti-rollover structure; 3212. First assembly hole; 3213. Second assembly hole; 3214. Guide block; 32141. Guide hole; 3215. First limiting block; 322. Clamping part; 3221. Second limiting block; 32211. Guide shaft; 3222. Buffer spring; 3223. Friction pad; 3224. Loading hook; 32241. Hook protrusion; 4. Square shell battery cell; 5. Mounting plate; 6. Gripper cylinder; 61. Gripper pull plate; X, First direction; Y, Second direction; Z, Vertical direction. Detailed Implementation

[0021] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0022] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0024] Please refer to Figures 1 to 4 A battery cell transfer mechanism includes a drive unit 1, an adapter plate 2, and two gripper modules 3 adjustablely disposed on the adapter plate 2. The adapter plate 2 is disposed on the drive unit 1, and the drive unit 1 acts on the adapter plate 2 to enable it to move in the vertical direction Z. The two gripper modules 3 can move closer to or further away from each other in the first direction X. Each gripper module 3 includes an adjustment block 31 and a gripper body 32. At least two gripper bodies 32 are adjustablely disposed on the adjustment block 31 in the second direction Y. The adjustment block 31 is provided with a first anti-rollover structure 311, and the gripper body 32 is provided with a second anti-rollover structure 3211 that is adapted to and engages with the first anti-rollover structure 311. The first direction X, the second direction Y, and the vertical direction Z are perpendicular to each other. The gripper bodies 32 extend in the vertical direction Z. In this embodiment, as shown... Figure 1 As shown, the first direction X is the thickness direction of the square-shell cell 4, the second direction Y is the width direction of the square-shell cell 4, and the vertical direction Z is the height direction of the square-shell cell 4. Figure 2 As shown, the cell transfer mechanism also includes a mounting plate 5 and a gripper pull plate 61. A gripper cylinder 6 is mounted on the mounting plate 5. The gripper pull plate 61 is slidably mounted on the mounting plate 5 along the first direction X via a slide rail slider assembly. An adjusting block 31 is assembled to the gripper pull plate 61, meaning the adjusting block 31 is indirectly assembled to the gripper cylinder 6 via the gripper pull plate 61. Here, the gripper cylinder 6 drives two gripper modules 3 to move along the first direction X to tighten or loosen the prismatic cell 4. In this embodiment, the first anti-rollover structure 311 and the second anti-rollover structure 3211 cooperate to improve the strength of the assembly structure of the gripper body 32 and the adjusting block 31, and improve the stability of the adjustable assembly structure of the gripper body 32 and the adjusting block 31. The deformation of the assembly structure is small after the gripper body 32 is subjected to force, avoiding the problem of unreliable clamping of the prismatic cell 4.

[0025] In this embodiment, the mounting plate 5 is assembled to the adapter plate 2. Optionally, the drive unit 1 is a linear module. In use, the linear module, i.e., the drive unit 1, is fixedly installed on the actuator of a gantry dual-drive mechanism or a robotic arm (not shown in the figure) to realize the spatial position switching of the square-shell battery cell 4.

[0026] like Figure 3As shown, preferably, the second anti-rollover structure 3211 is a dovetail groove, and the first anti-rollover structure 311 is a guide ridge set on the adjusting block 31. The guide ridge extends along the second direction Y, and the axial cross-section of the guide ridge is adapted to the dovetail groove. With this configuration, when the gripper holds the square-shell battery cell 4, the gripper body 32 is subjected to a reaction force from the square-shell battery cell 4 along the first direction X. At this time, the guide ridge, i.e., the first anti-rollover structure 311, cooperates with the dovetail groove, i.e., the second anti-rollover structure 3211, to prevent the gripper body 32 from rolling relative to the adjusting block 31 under the action of the reaction force of the square-shell battery cell 4, and to suppress the "outward" deformation of the two gripper bodies 32 corresponding to the first direction X (ideally, the two gripper bodies 32 corresponding to the first direction X are parallel to each other. In the traditional assembly structure, the gripper body 32 is prone to roll relative to the adjusting block 31 after being subjected to force, causing the two gripper bodies 32 corresponding to the first direction X to produce an "outward" deformation, which leads to the square-shell battery cell 4 not being firmly clamped).

[0027] In another embodiment, the second anti-rollover structure 3211 can also be a T-slot, and the axial cross-sectional shape of the guide convex strip is adapted to the T-slot.

[0028] The adjusting block 31 has at least two sets of adjusting holes along its upper edge. Each set of adjusting holes includes multiple adjusting screw holes 312 spaced apart along the second direction Y. The claw body 32 has a first mounting hole 3212 corresponding to the adjusting screw holes 312. Figure 3 As shown, the adjusting block 31 is equipped with two sets of adjusting holes, and the claw body 32 also has two sets of adjusting screw holes 312. In use, bolts or screws are threaded through the first mounting hole 3212 and connected to the adjusting screw holes 312 to achieve a fixed assembly of the claw body 32 and the adjusting block 31. When dealing with square-shell battery cells 4 of different widths, the assembly position of the claw body 32 on the adjusting block 31 can be adjusted in the second direction Y according to actual needs.

[0029] Furthermore, an adjustment slot 313 is provided through the adjustment block 31, extending along the second direction Y. The claw body 32 is provided with a second mounting hole 3213 corresponding to the adjustment slot 313. In use, bolts or screws are used to pass through the second mounting hole 3213 and the adjustment slot 313, and nuts are used to further fix the claw body 32 and the adjustment block 31.

[0030] In this embodiment, the claw body 32 and the adjusting block 31 are fixed by bolts and assembled with an anti-rollover structure, which greatly improves the structural stability and reduces the possibility of the claw body 32 flipping relative to the adjusting block 31 after being subjected to the reaction force of the square battery.

[0031] like Figure 2As shown, in some embodiments, the side of the adjusting block 31 away from the first anti-rollover structure 311 is provided with a slide groove 314 extending in the second direction Y. The adjusting slot 313 is connected to the slide groove 314. A fixing block 315 is slidably embedded in the slide groove 314. A bolt or screw installed on the claw body 32 passes through the adjusting slot 313 and is threaded to the fixing block 315.

[0032] like Figure 3 and Figure 4 As shown, the claw body 32 includes a connecting portion 321 and a clamping portion 322. A second anti-rollover structure 3211 is disposed on the connecting portion 321. The clamping portion 322 and the connecting portion 321 are slidably connected by a slide rail slider assembly. The clamping portion 322 can slide relative to the connecting portion 321 in the vertical direction Z. The connecting portion 321 is provided with a guide block 3214 and a first limiting block 3215. The clamping portion 322 is provided with a second limiting block 3221. The second limiting block 3221 is positioned between the guide block 3214 and the connecting portion 3215. Between the first limiting blocks 3215, in the vertical direction Z, the guide block 3214 is higher than the first limiting block 3215, and the guide block 3214 has a guide hole 32141 extending through in the vertical direction Z; the second limiting block 3221 is equipped with a guide shaft 32211, which is embedded in the guide hole 32141, and a buffer spring 3222 is sleeved on the guide shaft 32211, which is located between the guide block 3214 and the first limiting block 3215. In use, when the clamping part 322 moves downward in the vertical direction Z and abuts against the supporting structure of the prismatic battery cell 4, the clamping part 322 can move upward in the vertical direction Z relative to the connecting part 321, and the second limiting block 3221 cooperates with the guide block 3214 to compress the buffer spring 3222, realizing flexible contact between the claw body 32 and the supporting structure of the prismatic battery cell 4.

[0033] In this embodiment, a friction pad 3223 is provided on the inner sidewall of the clamping part 322. Optionally, the friction pad 3223 is a urethane pad, which can play an anti-slip role during the clamping part 322 clamping the square-shell battery cell 4.

[0034] like Figure 3 and Figure 4 As shown, a support hook 3224 is provided at the end of the clamping part 322 away from the adjusting block 31. The support hook 3224 is provided with a hook protrusion 32241. In the direction from the clamping part 322 to the friction pad 3223, the hook protrusion 32241 is higher than the friction pad 3223. The hook protrusion 32241 is used to lift the prismatic battery cell 4 upward in the vertical direction Z.

[0035] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A cell transfer mechanism, comprising: The device includes a drive unit, an adapter plate, and two gripper modules adjustablely disposed on the adapter plate. The adapter plate is disposed on the drive unit, and the drive unit acts on the adapter plate to enable it to move in a vertical direction. The two gripper modules can move closer to or further away from each other in a first direction. The gripper module includes an adjustment block and gripper bodies. At least two gripper bodies are adjustablely disposed on the adjustment block along a second direction. The adjustment block is provided with a first anti-rollover structure, and the gripper bodies are provided with a second anti-rollover structure that is adapted to and engaged with the first anti-rollover structure. The first direction, the second direction, and the vertical direction are all perpendicular to each other; The claw body extends along the vertical direction.

2. The cell transfer mechanism of claim 1, wherein, The second anti-overturning structure is a dovetail groove, and the first anti-overturning structure is a guide ridge provided on the adjusting block. The guide ridge extends along the second direction, and the axial cross-section of the guide ridge is adapted to the dovetail groove.

3. The cell transfer mechanism of claim 1, wherein, The second anti-overturning structure is a T-slot, and the first anti-overturning structure is a guide ridge provided on the adjusting block. The guide ridge extends along the second direction, and the axial cross-section of the guide ridge is adapted to the T-slot.

4. The cell transfer mechanism of claim 1, wherein, The upper edge of the adjustment block is provided with at least two sets of adjustment holes, each set of adjustment holes including a plurality of adjustment screw holes spaced apart along the second direction, and the claw body is provided with a first assembly hole corresponding to the adjustment screw holes.

5. The cell transfer mechanism of claim 4, wherein, An adjustment slot is provided through the adjustment block, the adjustment slot extends along the second direction, and a second assembly hole corresponding to the adjustment slot is provided on the claw body.

6. The cell transfer mechanism of claim 1, wherein, The claw body includes a connecting part and a clamping part, and the second anti-rollover structure is disposed on the connecting part; The clamping part is slidably connected to the connecting part, and the clamping part can slide relative to the connecting part in the vertical direction; The connecting part is provided with a guide block and a first limiting block, and the clamping part is provided with a second limiting block. The second limiting block is located between the guide block and the first limiting block. In the vertical direction, the guide block is higher than the first limiting block, and a guide hole is provided through the guide block along the vertical direction. The second limiting block is equipped with a guide shaft, which is embedded in the guide hole. A buffer spring is sleeved on the guide shaft, and the buffer spring is located between the guide block and the first limiting block.

7. The cell transfer mechanism of claim 6, wherein, The inner wall of the clamping part is provided with a friction pad.

8. The cell transfer mechanism of claim 7, wherein, The clamping part is provided with a support hook at the end away from the adjusting block. The support hook is provided with a hook protrusion. In the direction from the clamping part to the friction pad, the hook protrusion is higher than the friction pad.

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