Lithium battery tab wiping device

Abstract

A lithium battery tab wiping device comprises a clamping mechanism, a driving piece, at least one driving wheel, a first transmission assembly and a second transmission assembly, the at least one driving wheel is provided with a first track part and a second track part, and the first transmission assembly and the second transmission assembly are connected to the first track part and the second track part respectively. The driving part can drive the driving wheel to rotate so as to drive the first track part and the second track part to rotate, the first track part drives the clamping mechanism to periodically ascend and descend through the first transmission assembly, and the second track part drives the clamping mechanism to periodically clamp or unclamp through the second transmission assembly. According to the scheme, the operation efficiency and stability of the lithium battery tab wiping device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery technical field especially relates to a lithium battery pole lug wiping device. BACKGROUND

[0002] Lithium battery is widely used in the electronic equipment of all fields of life because of its high energy density, long service life and other characteristics. After the cylindrical lithium battery is rolled into the shell, the pole lug and the cap need to be welded. During the liquid injection process, the electrolyte is adhered to the pole lug, which will affect the quality of the pole lug and cap welding, thereby affecting the lithium battery charge and discharge performance and service life. Therefore, it is necessary to wipe the electrolyte on the pole lug before welding. In the prior art, the electrolyte on the pole lug is usually removed by mechanical wiping method, for example, by using a clamping device with a cleaning belt to clamp and wipe the pole lug for cleaning. This method needs to use multiple driving units to control the movement and clamping of the clamping mechanism through an electric control program. The mechanism has low operation efficiency and poor stability. SUMMARY

[0003] In view of the above problems, the purpose of the utility model is to provide a lithium battery pole lug wiping device to improve the operation efficiency and stability of the mechanism wiping the pole lug.

[0004] The purpose of the utility model is achieved by the following technical solutions:

[0005] A lithium battery pole lug wiping device, comprising a clamping mechanism, a driving member, at least one driving wheel, a first transmission assembly, and a second transmission assembly. The driving wheel is provided with a first trajectory part and a second trajectory part. The first transmission assembly and the second transmission assembly are connected to the first trajectory part and the second trajectory part, respectively. The driving member can drive the driving wheel to rotate to drive the first trajectory part and the second trajectory part to rotate. The first trajectory part drives the clamping mechanism to periodically rise and fall through the first transmission assembly. The second trajectory part drives the clamping mechanism to periodically clamp or open through the second transmission assembly.

[0006] The first trajectory part and the second trajectory part of the driving wheel drive the first transmission assembly and the second transmission assembly to move periodically, thereby achieving linkage control of the clamping mechanism. After the battery tab reaches the specified position, the first trajectory part drives the clamping mechanism to approach the tab through the first transmission assembly, and the second trajectory part drives the clamping mechanism to clamp the tab through the second transmission assembly. After the action process is completed, the first transmission assembly drives the clamping mechanism to rise and separate from the tab, and the second transmission assembly drives the clamping mechanism to open again. In the entire cycle process, a single driving member is used to cooperatively complete the lifting and clamping actions of the clamping mechanism. Through the optimization design of the movement path and operation timing of the trajectory part, linkage control of the clamping mechanism is finally achieved, which replaces the use of multiple driving members to separately control the lifting and clamping actions of the clamping mechanism, is not prone to program errors, and has better stability. Through linkage control of the mechanism, the operation efficiency of the mechanism is improved.

[0007] Further, the first transmission assembly comprises a first swing arm, the first swing arm comprises a first pulley and a transmission connection part, the first pulley is connected with the first trajectory part, when the driving wheel rotates, the first pulley rolls along the first trajectory part to drive the first swing arm to swing.

[0008] One end of the first swing arm opposite to the first pulley is fixed by a pin shaft, the first pulley is connected with the trajectory part, when the driving wheel rotates, the first pulley rolls along the movement path of the first trajectory part, thereby driving the first swing arm to swing around the pin shaft.

[0009] Further, the first transmission assembly further comprises a first transmission rod unit, the first swing arm is connected with the first transmission rod unit through the transmission connection part.

[0010] The first swing arm is connected with the first transmission rod unit through the transmission connection part, and the first swing arm drives the first transmission rod unit to move during the swinging process.

[0011] Further, a support is further included, the support is provided with a first linear guide rail, the clamping mechanism is slidingly connected to the first linear guide rail, and the first transmission rod unit is connected with the clamping mechanism.

[0012] The clamping mechanism is installed on the first linear guide rail of the support and can slide along the first linear guide rail, and the clamping mechanism is lifted on the first linear guide rail under the driving of the first transmission rod unit, thereby achieving the action of approaching or moving away from the tab.

[0013] Further, the second transmission assembly comprises a second transmission shaft, a driving connecting block and a transmission connecting block, the driving connecting block and the transmission connecting block are sleeved on the second transmission shaft, the driving connecting block is provided with a second pulley, the second pulley is connected with the second track portion, when the driving wheel rotates, the second pulley rolls along the second track portion to drive the transmission connecting block to swing.

[0014] The driving connecting block is sleeved on the second transmission shaft, the second pulley on the driving connecting block is connected with the second track portion, the driving wheel rotates, the second pulley rolls along the movement path of the second track portion, thereby driving the second transmission shaft to reciprocate, the transmission connecting block is sleeved on the second transmission shaft, so that the transmission connecting block swings around the second transmission shaft.

[0015] Further, the second transmission assembly further comprises a second transmission rod unit, and the second transmission rod unit is connected with the transmission connecting block.

[0016] The second transmission rod unit is movably connected with the transmission connecting block, and under the action of the reciprocating swing of the transmission connecting block, the second transmission rod unit moves reciprocally.

[0017] Further, the clamping mechanism comprises a balance wheel, a first clamping arm, a second clamping arm, a clamping jaw and an elastic component, the clamping jaw is fixed to the first clamping arm and the second clamping arm, the first clamping arm and the second clamping arm are respectively located on both sides of the balance wheel and abut against the outer periphery of the balance wheel, the balance wheel is connected with the second transmission rod unit, and the second transmission rod unit can drive the balance wheel to rotate reciprocally to make the first clamping arm and the second clamping arm approach or move away from each other.

[0018] The second transmission rod unit is connected with the balance wheel of the clamping mechanism, and under the driving of the second transmission rod unit, the balance wheel rotates reciprocally around its rotation axis. The first clamping arm and the second clamping arm are arranged on both sides of the balance wheel and abut against the outer periphery of the balance wheel, when the balance wheel rotates forward, the first clamping arm and the second clamping arm are driven to move away from each other, the clamping jaw is opened, and the elastic component is compressed, when the balance wheel rotates reversely, under the elastic force of the elastic component, the first clamping arm and the second clamping arm approach each other, and the clamping jaw is clamped.

[0019] Further, the clamping mechanism is provided with a second linear guide rail, and the first clamping arm and the second clamping arm are slidably connected to the second linear guide rail.

[0020] The first clamping arm and the second clamping arm are installed on the second linear guide rail of the clamping mechanism and can slide along the second linear guide rail, under the action of the balance wheel and the elastic component, the first clamping arm and the second clamping arm move away from or approach each other, thereby realizing the clamping function of the clamping jaw.

[0021] Further, the elastic component further comprises a first elastic component and a second elastic component, the first elastic component and the second elastic component are connected with the first clamping arm and the second clamping arm respectively.

[0022] One end of the first elastic component is connected with the first clamping arm, and the other end is connected with the clamping mechanism body; one end of the second elastic component is connected with the second clamping arm, and the other end is connected with the clamping mechanism body; after the first elastic component and the second elastic component are compressed, the elastic force acts on the first clamping arm and the second clamping arm in the opposite direction, so as to drive them to approach each other.

[0023] Further, a winding and unwinding mechanism for conveying the cleaning belt is further included, and the clamping mechanism is arranged on a feeding path of the winding and unwinding mechanism.

[0024] The cleaning belt passes through the clamping jaw in a bidirectional folding manner through the rotating wheel; under the action of the clamping force of the clamping jaw, the cleaning belt can press the tab; when the battery tab reaches a predetermined position, the clamping mechanism drives the cleaning belt to press the tab, and then the clamping mechanism drives the cleaning belt to rise, and relative movement is generated between the cleaning belt and the tab, so that the tab is wiped.

[0025] Compared with the prior art, the utility model has the beneficial effects that:

[0026] The first trajectory part and the second trajectory part of the driving wheel drive the first transmission assembly and the second transmission assembly to move periodically respectively, so that linkage control of the clamping mechanism is realized. After the battery tab reaches the specified position, the first trajectory part drives the clamping mechanism to approach the tab through the first transmission assembly, and the second trajectory part drives the clamping mechanism to clamp the tab through the second transmission assembly. After the action process is completed, the first transmission assembly drives the clamping mechanism to rise and separate from the tab, and the second transmission assembly drives the clamping mechanism to open again. In the whole cycle process, a single driving piece is used to cooperatively complete the lifting and clamping actions of the clamping mechanism. Through the optimization design of the movement path and the running time sequence of the trajectory part, linkage control of the clamping mechanism is finally realized, and the use of multiple driving pieces to separately control the lifting and clamping actions of the clamping mechanism is replaced. The program is not prone to errors, the stability of the mechanism is better, and the operation efficiency of the mechanism is improved through linkage control of the mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structural view of a lithium battery tab wiping device according to an embodiment of the utility model.

[0028] Figure 2 It is a front view of a lithium battery tab wiping device according to an embodiment of the utility model.

[0029] Figure 3 It is a connection view of a first transmission assembly and a first trajectory part according to an embodiment of the utility model.

[0030] Figure 4 For Figure 1 Partial enlarged view of the mark A.

[0031] Figure 5 For Figure 2 Partial enlarged view of the mark B.

[0032] Illustration: 1-Clamping mechanism, 2-Winding and unwinding mechanism, 3-Driving wheel, 4-Second transmission assembly, 5-First transmission assembly, 6-Support, 11-Rocker, 12-First clamping arm, 13-Second clamping arm, 14-Clamping jaw, 15-Elastic component, 21-Cleaning belt, 31-First driving wheel, 32-Second driving wheel, 41-Second transmission shaft, 42-Driving connecting block, 43-Transmission connecting block, 44-Second transmission rod unit, 51-First swing arm, 52-First transmission rod unit, 61-First linear guide rail, 151-Second elastic component, 152-Second elastic component, 311-First trajectory part, 321-Second trajectory part, 421-Second pulley, 511-First pulley, 512-Transmission connecting part. DETAILED DESCRIPTION

[0033] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein.

[0034] As Figures 1 to 5As shown, in a preferred embodiment, the utility model provides a lithium battery tab wiping device, including clamping mechanism 1, drive piece (not shown in drawing), at least one drive wheel 3, first transmission assembly 5, and second transmission assembly 4, in this embodiment, drive piece uses prior art, such as drive motor. At least one drive wheel 3 is equipped with first trajectory part 311 and second trajectory part 321, and first trajectory part 311 and second trajectory part 321 can be arranged on the two sides of drive wheel 3 respectively, or first trajectory part 311 and second trajectory part 321 can be arranged on two drive wheels 3 respectively by arranging two drive wheels 3, in this embodiment, two drive wheels 3 are arranged, including first drive wheel 31 and second drive wheel 32. First drive wheel 31 is equipped with first trajectory part 311, and second drive wheel 32 is equipped with second trajectory part 321, and the design form of drive wheel 3 has two kinds, if drive wheel 3 is a round wheel, the trajectory part is the trajectory groove opened on the side of the round wheel, if drive wheel 3 is a cam, the trajectory part is the profile surface of the cam, and the trajectory part designs the motion path according to the required operation sequence. First transmission assembly 5 and second transmission assembly 4 are connected to first trajectory part 311 and second trajectory part 321 respectively, first drive wheel 31 and second drive wheel 32 are installed on the drive shaft, the drive piece drives first drive wheel 31 and second drive wheel 32 to rotate through the drive shaft to drive first trajectory part 311 and second trajectory part 321 to rotate, first trajectory part 311 drives clamping mechanism 1 to periodically rise and fall through first transmission assembly 5, and second trajectory part 321 drives clamping mechanism 1 to periodically clamp or open through second transmission assembly 4.

[0035] In this embodiment, first transmission assembly 5 and second transmission assembly 4 are driven by first trajectory part 311 and second trajectory part 321 respectively to periodically move, so that the linkage control of clamping mechanism 1 is realized. After the battery tab reaches the specified position, first trajectory part 311 drives clamping mechanism 1 to approach the tab through first transmission assembly 5, and second trajectory part 321 drives clamping mechanism 1 to clamp the tab through second transmission assembly 4, after the completion of the action process, first transmission assembly 5 drives clamping mechanism 1 to rise and separate from the tab, and second transmission assembly 4 drives clamping mechanism 1 to open again. Through the optimization design of the motion path and operation sequence of the trajectory part, the linkage control of clamping mechanism 1 is finally realized in the whole cycle process, which replaces the use of the drive device to separately control the lifting and clamping actions of clamping mechanism 1, and the program error is not easy to appear, the stability of the mechanism is better, and the operation efficiency of the mechanism is improved through the linkage control of the mechanism.

[0036] As Figure 2 and Figure 3As shown in the drawings, the first transmission assembly 5 comprises a first swing arm 51 and a first transmission rod unit 52, the first swing arm 51 comprises a first pulley 511 and a transmission connecting part 512, the first pulley 511 is connected with the first track part 311, one end of the first swing arm 51 opposite to the first pulley 511 is fixed by a pin shaft, when the first driving wheel 31 rotates, the first pulley 511 rolls along the first track part 311, thereby driving the first swing arm 51 to swing around the pin shaft. The first swing arm 51 is connected with the first transmission rod unit 52 through the transmission connecting part 512, the first swing arm 51 drives the first transmission rod unit 52 to move during the swing process.

[0037] As shown in the drawings, Figure 2 and Figure 5 The bracket 6 is provided with a first linear guide rail 61 (not shown in the drawings), the first linear guide rail can be obtained by using the prior art, the clamping mechanism 1 is installed on the first linear guide rail 61, under the driving of the first transmission rod unit 52, the clamping mechanism 1 can be lifted along the first linear guide rail 61, thereby realizing the action of approaching or moving away from the tab.

[0038] As shown in the drawings, Figure 1 , Figure 2 and Figure 4 The second transmission assembly 4 comprises a second transmission shaft 41, a driving connecting block 42, a transmission connecting block 43, and a second transmission rod unit 44, the driving connecting block 42 and the transmission connecting block 43 are sleeved on the second transmission shaft 41, the driving connecting block 42 is provided with a second pulley 421, the second pulley 421 is connected with the second track part 321, when the second driving wheel 32 rotates, the second pulley 421 rolls along the second track part 321, thereby driving the second transmission shaft 41 to reciprocate, the transmission connecting block 43 reciprocates around the second transmission shaft under the driving of the second transmission shaft 41. The second transmission rod unit 44 is movably connected with the transmission connecting block 43, under the reciprocating action of the transmission connecting block 43, the second transmission rod unit 44 reciprocates.

[0039] As shown in the drawings, Figure 5As shown, the clamping mechanism 1 includes a balance wheel 11, a first clamping arm 12, a second clamping arm 13, a clamping jaw 14, and a resilient component 15. The clamping mechanism 1 is provided with a second linear guide rail (not shown in the figure), which can be of the prior art. The first clamping arm 12 and the second clamping arm 13 are slidingly installed on the second linear guide rail. The resilient component 15 includes a first resilient component 152 and a second resilient component 151. One end of the first resilient component 152 is connected to the first clamping arm 12, and the other end is connected to the body of the clamping mechanism 1. One end of the second resilient component 151 is connected to the second clamping arm 13, and the other end is connected to the body of the clamping mechanism 1. The clamping jaw 14 is fixed to the first clamping arm 12 and the second clamping arm 13. The second transmission rod unit 44 connects the balance wheel 11 on the clamping mechanism 1. Under the drive of the second transmission rod unit 44, the balance wheel 11 rotates reciprocatingly about its rotation axis. The first clamping arm 12 and the second clamping arm 13 are respectively located on both sides of the balance wheel 11 and abut the outer periphery of the balance wheel 11. When the balance wheel 11 rotates forward, the first clamping arm 12 and the second clamping arm 13 are driven to move away from each other, so that the clamping jaw 14 is separated. The first resilient component 152 and the second resilient component 151 are compressed. When the balance wheel 11 reverses, under the elastic force of the first resilient component 152 and the second resilient component 151, the first clamping arm 12 and the second clamping arm 13 move close to each other, and the clamping jaw 14 clamps tightly.

[0040] As shown in Figure 1 and Figure 2 The cleaning tape 21 passes through the clamping jaw 14 bidirectionally by a rotating wheel. Under the clamping force of the clamping jaw 14, the cleaning tape 21 can press the tab. When the battery tab reaches a predetermined position, the clamping mechanism 1 drives the cleaning tape 21 to press the tab. Then the clamping mechanism 1 lifts the cleaning tape 21 to generate relative movement with the tab, thereby wiping the tab.

[0041] The number of clamping mechanisms 1 can be designed in an array according to actual use requirements. In the present embodiment, the clamping mechanisms 1 are arranged in two groups and connected to the first transmission rod unit 52 through a connecting piece, so as to realize synchronous lifting of the two groups of clamping mechanisms 1. Correspondingly, the second transmission rod unit 44 is arranged in two groups and connected to the two groups of clamping mechanisms 1, so as to realize synchronous clamping and opening of the two groups of clamping mechanisms 1. The take-up and pay-off mechanism 2 is arranged in two groups and corresponds to the two groups of clamping mechanisms 1.

[0042] In the description of the utility model, it is understood that the terms such as '' upper '', '' lower '', '' front '', '' rear '', '' left '', '' right '', '' vertical '', '' horizontal '', '' top '', '' bottom '', '' inner '', '' outer '' and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0043] In addition, the terms '' first '' and '' second '' and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.

[0044] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lithium battery tab wiping device, characterized in that, The device includes a clamping mechanism, a driving member, at least one driving wheel, a first transmission assembly, and a second transmission assembly. At least one driving wheel is provided with a first track portion and a second track portion. The first transmission assembly and the second transmission assembly are respectively connected to the first track portion and the second track portion. The driving member can drive the driving wheel to rotate, thereby driving the first track portion and the second track portion to rotate. The first track portion drives the clamping mechanism to periodically rise and fall through the first transmission assembly. The second track portion drives the clamping mechanism to periodically clamp or open through the second transmission assembly.

2. The lithium battery tab wiping device according to claim 1, characterized in that, The first transmission assembly includes a first swing arm, which includes a first pulley and a transmission connection portion. The first pulley is connected to the first track portion. When the drive wheel rotates, the first pulley rolls along the first track portion to drive the first swing arm to swing.

3. The lithium battery tab wiping device according to claim 2, characterized in that, The first transmission assembly further includes a first transmission rod unit, and the first swing arm is connected to the first transmission rod unit through the transmission connection portion.

4. The lithium battery tab wiping device according to claim 3, characterized in that, It also includes a bracket, which is provided with a first linear guide rail. The clamping mechanism is slidably connected to the first linear guide rail, and the first transmission rod unit is connected to the clamping mechanism.

5. The lithium battery tab wiping device according to claim 1, characterized in that, The second transmission assembly includes a second transmission shaft, a drive connecting block, and a transmission connecting block. The drive connecting block and the transmission connecting block are sleeved on the second transmission shaft. The drive connecting block is provided with a second pulley, which is connected to the second track section. When the drive wheel rotates, the second pulley rolls along the second track section to drive the transmission connecting block to swing.

6. The lithium battery tab wiping device according to claim 5, characterized in that, The second transmission assembly further includes a second transmission rod unit, which is connected to the transmission connecting block.

7. The lithium battery tab wiping device according to claim 6, characterized in that, The clamping mechanism includes a balance wheel, a first clamping arm, a second clamping arm, a gripper, and an elastic component. The gripper is fixed to the first clamping arm and the second clamping arm. The first clamping arm and the second clamping arm are located on both sides of the balance wheel and abut against the outer periphery of the balance wheel. The balance wheel is connected to the second transmission rod unit, which can drive the balance wheel to reciprocate so that the first clamping arm and the second clamping arm move closer to or further away from each other.

8. The lithium battery tab wiping device according to claim 7, characterized in that, The clamping mechanism is provided with a second linear guide rail, and the first clamping arm and the second clamping arm are slidably connected to the second linear guide rail.

9. The lithium battery tab wiping device according to claim 7, characterized in that, The elastic component further includes a first elastic component and a second elastic component, wherein the first elastic component and the second elastic component are respectively connected to the first clamping arm and the second clamping arm.

10. The lithium battery tab wiping device according to any one of claims 1-9, characterized in that, It also includes a take-up and unwinding mechanism for conveying the cleaning belt, wherein the clamping mechanism is located on the feeding path of the take-up and unwinding mechanism.

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