Transmission device and battery piece processing equipment

Abstract

The utility model discloses a transmission device and battery piece processing equipment, the transmission device comprises a transmission mechanism and a buffer mechanism, the transmission mechanism is provided with a supporting surface used for supporting a piece to be transmitted, the buffer mechanism comprises a fixed seat, a supporting frame, a rolling piece and an elastic element, the rolling piece is arranged on the upper portion of the supporting frame, and the elastic element is arranged on the supporting frame. The rolling piece is arranged on a moving path when the piece to be conveyed is transferred to the supporting face from top to bottom, and the supporting frame is movably arranged on the fixing base so that the rolling piece can float in the vertical direction. The elastic element is arranged between the fixing base and the supporting frame and used for providing acting force needed by the supporting frame to move away from the fixing base. The buffering mechanism can achieve the buffering function, the rolling piece can also achieve transferring of the to-be-conveyed piece, and therefore normal conveying of the to-be-conveyed piece is not affected.

Description

Technical Field

[0001] The utility model relates to a transmission device and battery slice processing equipment. Background Art

[0002] In the prior art, most processing equipment, such as battery cell processing equipment, is equipped with a transmission mechanism. This mechanism is used to transfer workpieces and also performs processing while the workpieces are in motion. Loading often requires manual or mechanical transport of the workpieces onto the transmission mechanism. However, when lowering the workpieces, they are prone to collision with the transmission mechanism, especially when they collide with structures such as guide rails, which can easily damage both the workpiece and the transmission mechanism. Common buffer mechanisms only have a buffering function but do not have a transmission function. The buffer mechanism can offset the downward impact of the workpiece, preventing it from impacting the transmission mechanism. However, the workpiece is difficult to move on the buffer mechanism, which can affect the normal transmission of the transmission mechanism and the normal operation of the equipment. Utility Model Content

[0003] The purpose of the utility model is to provide a new transmission device.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a transmission device, comprising:

[0005] A transmission mechanism having a support surface for supporting a piece to be transmitted;

[0006] The buffer mechanism includes a fixed seat, a support frame, a rolling member, and an elastic element, wherein the rolling member is arranged on the upper portion of the support frame, the support frame is movably arranged on the fixed seat so that the rolling member can float in the up and down directions, and the elastic element is arranged between the fixed seat and the support frame to provide the force required for the support frame to move away from the fixed seat;

[0007] Wherein, the rolling element is arranged on a moving path when the member to be transferred is transferred from top to bottom to the supporting surface.

[0008] In some embodiments, the rolling element is a roller, which is rotatably connected to the upper part of the support frame around its own axis; or, the rolling element is a ball rotatably arranged on the upper part of the support frame.

[0009] In some embodiments, the support frame extends in an up-down direction, and the lower portion of the support frame is rotatably connected to the fixing seat around a rotation axis.

[0010] In some embodiments, the transmission mechanism transmits the object to be transmitted along a first direction, and the axial direction of the rotating shaft is perpendicular to the first direction.

[0011] In some embodiments, the elastic element is a torsion spring sleeved on the rotating shaft, and the torsion spring includes two groups of torsion arms respectively arranged on different sides of the rotating shaft, one group of the torsion arms is fixedly connected to the support frame, and the other group of the torsion arms is fixedly connected to the fixed seat.

[0012] In some embodiments, the elastic element is a compression spring, which extends in an up-down direction, with an upper end of the compression spring fixed to the support frame and a lower end of the compression spring fixed to the fixing seat.

[0013] In some embodiments, a limiting mechanism is provided between the support frame and the fixed seat for limiting the rotation angle of the support frame relative to the fixed seat, the limiting mechanism includes a limiting portion provided on the support frame and a blocking portion provided on the fixed seat, the support frame includes a main body portion, the rolling element is movably provided on the upper part of the main body portion, the limiting portion is fixed on the lower part of the main body portion, and the blocking portion is blocked on the path of the limiting portion rotating around the rotating shaft.

[0014] In some embodiments, the fixing seat is provided with a accommodating cavity, the upper part of the fixing seat is provided with an opening connected to the accommodating cavity, the rolling element is located in the accommodating cavity and at least part of the rolling element extends from the opening, the support frame and the elastic element are arranged in the accommodating cavity, wherein the support frame can be arranged to move up and down relative to the fixing seat, and along the up and down direction, the support frame is located between the rolling element and the elastic element.

[0015] The purpose of the utility model is to provide a battery sheet processing device.

[0016] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a battery cell processing equipment for processing battery cells, including the above-mentioned transmission device.

[0017] In some embodiments, the part to be transferred is a hanger for fixing the battery cell, the transfer mechanism includes two parallel guide rails, and the support surface is arranged on the guide rails; the processing equipment also includes an electroplating tank, the electroplating tank is arranged between the two guide rails, and the fixing seat is fixed on the wall panel of the electroplating tank.

[0018] In some embodiments, the transmission device includes a mounting frame, on which a plurality of the buffer mechanisms are arranged at intervals, and the mounting frame is hung on the wall panel of the electroplating tank; a base is provided on the mounting frame, and a plurality of the buffer mechanisms are fixed on the base, and a leveling bolt is provided between the base and the mounting frame for adjusting the levelness of the base.

[0019] Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art: in the transmission device of the present invention, during the process of the part to be transmitted being transferred downward to the supporting surface, the buffer mechanism supports the part to be transmitted through the rolling member, and offsets the downward impact force of the part to be transmitted through the elastic element, thereby achieving buffering; after the impact force of the part to be transmitted is completely offset, the transfer of the part to be transmitted can be achieved through the rolling member, thereby not affecting the normal transmission of the part to be transmitted on the transmission mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Attachment Figure 1 This is a three-dimensional schematic diagram of a partial structure of a transmission device according to Example 1 of the present utility model;

[0021] Attachment Figure 2 is a schematic diagram of the buffer mechanism of Example 1 in a first state;

[0022] Attachment Figure 3 is a schematic diagram of the buffer mechanism of Example 1 in the second state;

[0023] Attachment Figure 4 is a schematic diagram of the transmission device of Example 1 when the buffer mechanism is in the second state;

[0024] Attachment Figure 5 is a schematic diagram of the transmission device of Example 2 when the buffer mechanism is in the second state;

[0025] Attachment Figure 6 is a schematic diagram of the buffer mechanism of Example 3 in a first state;

[0026] Attachment Figure 7 is a schematic diagram of the buffer mechanism of Example 3 in the second state;

[0027] Attachment Figure 8 is a schematic diagram of the transmission device of Example 3 when the buffer mechanism is in the second state;

[0028] Attachment Figure 9 is a schematic diagram of the buffer mechanism of Example 4 in the second state;

[0029] Attachment Figure 10 is a schematic diagram of the transmission device of Example 4 when the buffer mechanism is in the second state;

[0030] Wherein: 100, transmission mechanism; 101, loading station; 200, buffer mechanism; 300, workpiece to be transmitted; 301, workpiece body; 302, guide member;

[0031] 1. Guide rail; 11. Guide groove; 2. Mounting frame; 21. Base; 3. Fixed seat; 4. Rolling element; 5. Elastic element; 51. Torsion arm; 52. Spring coil; 6. Support frame; 61. Main body; 62. Limiting part; 7. Rotating shaft; 8. Fixing bolt; 9. Leveling bolt. DETAILED DESCRIPTION

[0032] The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments to make the advantages and features of the present invention easier for those skilled in the art to understand. Obviously, the embodiments described in this application are only part of the embodiments of this application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0033] Example 1

[0034] See also Figure 1 A transmission device shown includes a transmission mechanism 100 and a buffer mechanism, wherein the transmission mechanism 100 is used to transmit a member 300 to be transmitted, and has a support surface for supporting the member 300 to be transmitted. The buffer mechanism 200 includes a fixed seat 3, a support frame 6, and a rolling member 4, wherein the rolling member 4 is arranged on the upper part of the support frame 6, and the rolling member 4 is arranged on the moving path of the member 300 to be transmitted when it is transferred from top to bottom to the support surface. The support frame 6 is movably arranged on the fixed seat 3 so that the rolling member 4 can float in the up and down directions. The buffer mechanism 200 also includes an elastic element 5, which is arranged between the fixed seat 3 and the support frame 6 to provide the force required for the support frame 6 to move away from the fixed seat 3.

[0035] In this embodiment, during the downward transfer of the member 300 to the conveying surface, the buffer mechanism 200 has a first state and a second state. In the first state, the member 300 is in contact with the roller 4, supported on the roller 4 and suspended above the supporting surface. This prevents direct contact between the member 300 and the conveying mechanism 100, thus preventing collision with the conveying mechanism 100. Subsequently, the member 300 and the roller 4 move downward together, and the buffer mechanism 200 transitions to the second state. During this process, the elastic element 5 deforms and generates a force that counteracts the downward impact of the member 300, thereby achieving buffering. In the second state, the distance between the member 300 and the conveying surface is reduced, completely offsetting the downward impact of the member 300. At this point, the conveying mechanism 100 can continue to transfer the member 300, and the rotation or rolling of the roller 4 enables the transfer of the member 300. In the second state, the distance between the member to be transferred 300 and the supporting surface is usually small, and the member to be transferred 300 can be easily detached from the buffer mechanism 200 and fully supported on the transfer surface.

[0036] In other embodiments, in the second state, the member to be transmitted 300 is supported on both the rolling member 4 and the supporting surface. By simply moving the member to be transmitted 300 forward, the member to be transmitted 300 can be separated from the rolling member 4 and the buffer mechanism 200.

[0037] In this embodiment, the transmission mechanism 100 is used to transmit the object 300 to be transmitted along the first direction. Figure 1 As shown, the transmission mechanism 100 includes two guide rails 1 spaced apart along the second direction. The guide rails 1 extend along the first direction and are used to guide the transmission of the transmission member 300. The support surface is provided on the guide rails 1. Specifically, the guide rails 1 are provided with guide grooves 11 extending along the first direction. The notch of the guide grooves 11 faces upward, and the bottom of the guide grooves 11 constitutes the aforementioned support surface.

[0038] In this embodiment, see Figure 4 As shown, the workpiece 300 to be transferred includes a workpiece body 301 and two sets of guide members 302 respectively arranged on both sides of the workpiece body 301, and the guide members 302 extend downward from the workpiece body 301. In this embodiment, during the downward transfer of the workpiece 300 to be transferred, the two guide members 302 move into the two guide grooves 11 respectively. When the buffer structure 200 is in the second state, the two guide members 302 are respectively inserted into the two guide grooves 11. In this embodiment, in the second state, the bottom of the guide member 302 does not contact the bottom of the guide groove 11, but the wall panels on both sides of the guide groove 11 can still provide movement guidance for the guide member 302. As the transmission mechanism 100 transfers the workpiece 300 to be transferred forward, the workpiece 300 to be transferred detaches from the buffer mechanism 200 and is completely transferred to the transmission mechanism 100. At this time, the guide member 302 is also completely inserted into the guide groove 11, and the guide member 302 is supported on the support surface, that is, supported on the bottom of the guide groove 11.

[0039] In this embodiment, the transport mechanism further includes a driving member (not shown) for driving the object 300 to be transported along the first direction, that is, driving the hanger to be transported along the guide rail 1. In other embodiments, the supporting surface is also a transport surface for transporting the object 300 to be transported. When the object 300 to be transported is supported on the transport surface, it can be directly transported along the first direction.

[0040] In this embodiment, a loading station 101 is provided along the transmission path of the transmission mechanism 100. The transport mechanism transports the object 300 to the loading station 101, and the buffer mechanism 200 is disposed at the loading station 101. Specifically, the fixed seat 3 is fixed to the loading station 101. When the transport mechanism lowers the object 300, the object 300 first contacts the rolling element 4, and the buffer mechanism 200 switches to a first state. The object 300 then moves downward along with the rolling element 4. During this process, the elastic element 5 provides resistance and reduces the downward impact force of the object 300, thereby achieving buffering. When the buffer mechanism 200 switches to a second state, the object 300 can be transported. During this process, rolling friction occurs between the object 300 and the rolling element 4.

[0041] In this embodiment, the transmission device includes a mounting frame 2 extending along a first direction, and the mounting frame 2 includes two groups spaced apart along a second direction, wherein the second direction is perpendicular to the first direction. Along the first direction, a plurality of buffer mechanisms 200 are spaced apart on each group of mounting frames 2. Specifically, three buffer mechanisms are spaced apart along the first direction on each group of mounting frames 2. The provision of multiple buffer mechanisms 200 can more stably receive the transported parts 300 to be transported, and the multiple buffer mechanisms 200 can also better offset the impact force of the parts 300 to be transported. In this embodiment, see Figure 1 As shown, along the second direction, the two mounting brackets 2 are located between the two guide rails 1. In some embodiments, the two guide rails 1 are located between the two mounting brackets 2.

[0042] In this embodiment, a transmission device is provided in the cell processing equipment. The transmission mechanism 100 is used to transmit the hanger on which the cell is fixed, and the transport mechanism is used to transport the hanger onto the transmission mechanism 100. The cell processing equipment also includes an electroplating tank. While the transmission mechanism drives the hanger to be transported along the guide rail 1, the cell fixed on the hanger can be electroplated in the electroplating tank.

[0043] In this embodiment, along the second direction, the electroplating tank is located between the two guide rails 1, and the fixing base 3 is fixed on the wall of the electroplating tank. In this embodiment, two sets of mounting brackets 2 are respectively fixed on the wall of the electroplating tank. Specifically, the mounting brackets 2 are hung on the wall of the electroplating tank to facilitate disassembly and position adjustment. Figure 1 and Figure 4 As shown, the cross section of the mounting frame 2 along the second direction is S-shaped, the upper portion of the mounting frame 2 is hung on the wall panel of the electroplating tank, and the buffer mechanism 200 is fixed to the lower portion of the mounting frame 2 .

[0044] In this embodiment, the support frame 6 extends in the up-down direction, and the lower portion of the support frame 6 is rotatably connected to the fixing base 3 around the rotation axis 7. Figure 2As shown, when the buffer mechanism 200 is in the first state, the support frame 6 has a first angle with the horizontal plane. In the process of lowering the transmission member 300, the transmission member 300 drives the support frame 6 to rotate downward and move closer to the fixed seat 3. When the buffer mechanism 200 is in the second state, see Figure 3 As shown, there is a second angle between the support frame 6 and the horizontal plane, and the second angle is smaller than the first angle.

[0045] In this embodiment, see Figure 2 、 Figure 3 As shown, the support frame 6 includes a main body 61, the rolling element 4 is movably disposed on the upper portion of the main body 61, and the fixed seat 3 has a first end and a second end respectively disposed at two different ends in its length direction. The lower portion of the main body 61 is rotatably connected to the first end around the rotation axis 7. In this embodiment, a limiting mechanism is provided between the support frame 6 and the fixed seat 3 to limit the rotation angle of the support frame 6 relative to the fixed seat. Specifically, the limiting mechanism includes a limiting portion 62 disposed on the support frame 6 and a blocking portion disposed on the fixed seat 3. The limiting portion 62 is fixedly disposed on the lower portion of the main body 61, and the blocking portion is disposed to block the path of the limiting portion 62 rotating around the rotation axis 7.

[0046] See also Figures 1 to 3 As shown, in this embodiment, the fixing seat 3 extends along the first direction, the main body 61 extends obliquely from the first end to the second end in both the vertical directions, and the limiting portion 62 bends downward from the lower portion of the main body 61. Along the length extension direction of the main body 61, the rotating shaft 7 is located between the rolling element 4 and the limiting portion 62. In this embodiment, the first end of the fixing seat 2 constitutes the above-mentioned blocking portion. Figure 2 As shown, when the transmission member 300 is not in contact with the rolling member 4, or the transmission member 300 is separated from the rolling member 4, the cooperation between the limiting portion 62 and the first end portion can prevent the main body 61 from continuing to flip upward, so that the rolling member 4 is stabilized at a preset height, and the main body 61 is maintained in an inclined extended state, so that it can more stably support the transmission member 300.

[0047] In some embodiments, the axis of the rotating shaft 7 extends in a direction perpendicular to the first direction. When the buffer mechanism 200 switches from the first state to the second state, the rolling element 4 moves downward while also moving away from the rotating shaft 7 in the first direction. Figure 2 、 Figure 3As shown, during the transition of the buffer mechanism 200 to the second state, the rolling element 4 approaches the second end in the first direction. Consequently, after the transport mechanism places the object 300 on the buffer mechanism 200, the object 300 can also move along with the rolling element 4 in the first direction, thereby achieving a velocity in the first direction. In some preferred embodiments, by adjusting the orientation of the buffer mechanism 200 so that the second end is located ahead of the first end in the transport direction of the object 300, i.e., the first direction, the object 300 automatically achieves its initial forward velocity after being buffered, thereby improving the transport efficiency of the device.

[0048] In this embodiment, see Figure 2 、 Figure 3 As shown, the elastic element 5 is a torsion spring mounted on the rotating shaft 7. The torsion spring includes two sets of torsion arms 51 located on opposite sides of the rotating shaft 7. One set of torsion arms 51 is fixedly connected to the support frame 6, and the other set of torsion arms 51 is fixedly connected to the fixing base 3. When the buffer mechanism 200 switches to the second state, the two sets of torsion arms 51 move closer to each other, and the torsion spring provides a force for the support frame 6 to move away from the fixing base 3. Figure 4 As shown, in this embodiment, the spring coil 52 of the torsion spring is sleeved on the rotating shaft 7. Along the second direction, two groups of torsion arms 51 are provided on both sides of the spring coil 52. One group of torsion arms 51 extends downward and is fixedly connected to the fixing seat 3, and the other group of torsion arms 51 extends along the same length direction as the main body 61 and is fixedly connected to the main body 61.

[0049] In this embodiment, the rolling element 4 is a roller, which is rotatably connected to the upper portion of the support frame 6 about its own axis X1. The axis X1 of the roller extends in a direction perpendicular to the first direction. The roller rotates to allow the object 300 to be transported thereon to be transported along the first direction.

[0050] The working process of the transmission device is as follows: the transport mechanism transports the part to be transported 300, i.e., the hanger, to the loading station 101 and places the hanger downward at the loading station 101. Multiple rolling elements 4 first contact the hanger and jointly receive the lowered hanger. Afterwards, the rolling elements 4 move downward, the support frame 6 rotates downward, the torsion spring deforms and generates a force that drives the support frame 6 upward. This force offsets the downward impact force of the hanger, thereby preventing the part to be transported 300 from impacting the guide rail 1. When the buffer mechanism 200 is converted to the second state, the downward impact force of the part to be transported 300 is completely offset. In this state, the part to be transported 300 can be smoothly transported along the first direction through the rotation of the rolling elements 4. During the transmission process, the guide rail 1 can provide guidance for the part to be transported 300.

[0051] Example 2

[0052] See also Figure 5As shown, this embodiment differs from Example 1 in that: in this embodiment, each torsion spring includes two coils 52 and three torsion arms 51, wherein the two coils 52 are spaced apart along the second direction. One torsion arm 51 is connected between the two coils 52 and extends downward. The torsion arm 51 connected between the two coils 52 is fixedly connected to the fixing base 3. The other two torsion arms 51 are respectively fixedly connected to the two coils 52, and the two coils 52 are located between the two torsion arms 51 along the second direction. The two torsion arms 51 disposed outside the two coils 52 extend along the same length direction as the main body 61 and are fixedly connected to the main body 61. The torsion spring structure of this embodiment is symmetrical and more stable.

[0053] Example 3

[0054] See also Figures 6 to 8 As shown, this embodiment differs from Embodiment 1 in that, in this embodiment, the elastic element 5 is a compression spring extending in the vertical direction, with its upper end fixed to the support frame 6 and its lower end fixed to the fixed seat 3. Specifically, a boss is provided on the side of the main body 61 facing the fixed seat 3, extending away from the rotating shaft 7. The upper end of the compression spring is fixed to the boss, while the lower end is fixed to the fixed seat 3. During the downward movement of the rolling element 4, the compression spring is compressed and applies an upward rotational force to the support frame 6, thereby offsetting the downward impact of the member to be transported 300.

[0055] Example 4

[0056] See also Figure 9 、 Figure 10 As shown, the difference between this embodiment and embodiment 1 is that in this embodiment, the rolling element 4 is a ball rotatably arranged on the upper part of the support frame 6. In this embodiment, the fixed seat 3 is provided with a receiving cavity (not shown in the figure), and the upper part of the fixed seat 3 is provided with an opening connected to the receiving cavity. The rolling element 4, i.e., the ball, is located in the receiving cavity, and at least a portion of the rolling element 4 extends out of the receiving cavity from the opening. The support frame 6 and the elastic element 5 are arranged in the receiving cavity, wherein the support frame 6 is arranged to be movable up and down relative to the fixed seat 3, and in the vertical direction, the support frame 6 is located between the rolling element 4 and the elastic element 5.

[0057] Specifically, the buffer mechanism 200 is a positioning ball, also known as a ball plunger or spring plunger. The positioning ball includes a housing, which forms a fixed seat 3. A ball is located above the housing, and a support frame 6 and an elastic element 5 are disposed within the housing. The vertical movement of the ball relative to the housing and the resistance provided by the compression of the elastic element 5 provide buffering, while the rolling of the ball achieves transmission of the object 300.

[0058] In this embodiment, a base 21 is provided on the mounting frame 2, and a plurality of buffer mechanisms 200 are fixedly installed at intervals on the base 21. Specifically, the base 21 is fixed to the mounting frame 2 by fixing bolts 8, and a leveling bolt 9 is provided between the base 21 and the mounting frame 2 for adjusting the levelness of the base 21.

[0059] Example 5

[0060] Not shown in the figure, the difference between this embodiment and embodiment 1 is that: in this embodiment, the support frame 6 can be set on the fixed seat 3 so as to move up and down, the rolling member 4 is a roller, and the roller is rotatably set on the upper part of the support frame 6, and the elastic element 5 is set between the support frame 6 and the fixed seat 3.

[0061] In summary, in the transmission devices in all the above embodiments, the rolling element 4 of the buffer mechanism 200 moves downward after receiving the to-be-transmitted element 300, and the resistance provided by the elastic element 5 offsets the downward impact force of the to-be-transmitted element 300, thereby forming a buffer. After the impact force is completely offset, since the rolling element 4 can rotate or roll, the transmission mechanism 100 can transmit the to-be-transmitted element 300 normally.

[0062] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those familiar with the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications based on the spirit of the present invention are intended to be included in the scope of protection of the present invention.

Claims

1. A transmission device, characterized in that: The transmission device comprises: A transmission mechanism having a support surface for supporting a piece to be transmitted; The buffer mechanism includes a fixed seat, a support frame, a rolling member, and an elastic element, wherein the rolling member is arranged on the upper portion of the support frame, the support frame is movably arranged on the fixed seat so that the rolling member can float in the up and down directions, and the elastic element is arranged between the fixed seat and the support frame to provide the force required for the support frame to move away from the fixed seat; Wherein, the rolling element is arranged on a moving path of the member to be transferred from top to bottom onto the supporting surface.

2. The transmission device according to claim 1, characterized in that: The rolling element is a roller, and the roller is rotatably connected to the upper part of the support frame around its own axis; or the rolling element is a ball rotatably arranged on the upper part of the support frame.

3. The transmission device according to claim 1, characterized in that: The support frame extends in an up-down direction, and the lower portion of the support frame is rotatably connected to the fixing seat around a rotating shaft.

4. The transmission device according to claim 3, characterized in that: The transmission mechanism transmits the object to be transmitted along a first direction, and the axial direction of the rotating shaft is perpendicular to the first direction.

5. The transmission device according to claim 3, characterized in that: The elastic element is a torsion spring sleeved on the rotating shaft, and the torsion spring includes two groups of torsion arms respectively arranged on two different sides of the rotating shaft, one group of torsion arms is fixedly connected to the support frame, and the other group of torsion arms is fixedly connected to the fixing seat; Alternatively, the elastic element is a compression spring, which extends in an up-down direction, with an upper end portion of the compression spring fixed to the support frame and a lower end portion of the compression spring fixed to the fixing seat.

6. The transmission device according to claim 3, characterized in that: A limiting mechanism is provided between the support frame and the fixed seat for limiting the rotation angle of the support frame relative to the fixed seat, the limiting mechanism includes a limiting portion provided on the support frame and a blocking portion provided on the fixed seat, the support frame includes a main body, the rolling element is movably provided on the upper part of the main body, the limiting portion is fixed on the lower part of the main body, and the blocking portion is blocked on the path of the limiting portion rotating around the rotating shaft.

7. The transmission device according to claim 1, characterized in that: The fixing seat is provided with a receiving cavity, and the upper part of the fixing seat is provided with an opening connected to the receiving cavity, the rolling element is located in the receiving cavity and at least part of the rolling element extends from the opening, the support frame and the elastic element are arranged in the receiving cavity, wherein the support frame can be arranged to move up and down relative to the fixing seat, and along the up and down direction, the support frame is located between the rolling element and the elastic element.

8. A battery cell processing device for processing battery cells, characterized in that: The battery cell processing equipment includes the transmission device according to any one of claims 1 to 7.

9. The battery cell processing equipment according to claim 8, characterized in that: The member to be transferred is a hanger for fixing the battery sheet, the transfer mechanism includes two guide rails arranged in parallel, and the support surface is arranged on the guide rails.

10. The battery cell processing equipment according to claim 9, characterized in that: The processing equipment further includes an electroplating tank, which is arranged between the two guide rails, and the fixing seat is fixed on the wall plate of the electroplating tank.

11. The battery cell processing equipment according to claim 10, characterized in that: The transmission device includes a mounting frame, on which multiple buffer mechanisms are arranged at intervals, and the mounting frame is fixed to the wall panel of the electroplating tank; a base is provided on the mounting frame, and multiple buffer mechanisms are fixed on the base, and a leveling bolt is provided between the base and the mounting frame for adjusting the horizontality of the base.

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