Parametrically controlled pole piece positioning mechanism and pole piece positioning system

Abstract

This invention provides a parameterized control electrode positioning mechanism and electrode positioning system. The electrode positioning mechanism includes a base plate, a support plate, a width adjustment mechanism, and a control system. The support plate is mounted on the base plate and has a clearance hole and a limiting block. The limiting block is located at one end of the clearance hole. The width adjustment mechanism includes a drive component and a lever. The drive component drives the lever to translate within the clearance hole, forming a positioning groove with adjustable width between the lever and the limiting block. The control system includes an input unit and a control unit. The input unit is used to input the positioning groove width parameter, and the control unit is used to control the lever to move according to the width parameter. The electrode positioning system includes a loading / unloading component and a parameterized control electrode positioning mechanism. The loading / unloading component is located on one side of the electrode positioning mechanism and moves along the extension direction of the positioning groove. This invention achieves parameterized control adjustment of the positioning groove width by inputting the width parameter through the input unit and controlling the lever to move into position in one step through the control unit.

Description

Technical Field

[0001] This utility model relates to the technical field of battery cell electrode production equipment, specifically to a parameterized control electrode positioning mechanism and electrode positioning system. Background Technology

[0002] A battery cell is the most basic component of a battery, typically an electrochemical device encapsulated in a metal casing. It is the unit that stores and releases electrical energy, with the positive and negative electrodes being the two polar ends of the cell, separated by a separator.

[0003] In existing technologies, cell winding is a crucial step in battery manufacturing. Before winding, the electrode plates must be accurately positioned, especially in the width direction. Current positioning devices generally only work for electrode plates of a single specification, making them impractical. For various electrode plate specifications, different positioning devices are required, which is not only costly but also complex to implement.

[0004] A general-purpose battery packaging fixture for positioning batteries includes a platform for placing the battery. One side of the platform has a first stop bar to limit the width of the battery, and the other side of the platform opposite the first stop bar has a second stop bar to limit the thickness of the battery. The first and second stop bars form a battery placement position. A servo motor is located on one side of the fixture body to control the horizontal movement of the first stop bar towards the second stop bar. Since the first stop bar is located on the top wall of the platform, a certain gap is unavoidable between the first stop bar and the top wall of the platform. For thicker batteries, the first stop bar can effectively position the battery; however, for thinner electrode sheets, the electrode sheets easily become embedded in the gap between the first stop bar and the top wall of the platform, not only failing to provide positioning but also easily damaging the electrode sheets. Utility Model Content

[0005] The primary objective of this invention is to provide an electrode positioning mechanism that can achieve both parametric control and compatibility with parametric control of electrode sheets of different specifications.

[0006] The second objective of this invention is to provide an electrode positioning system that includes the electrode positioning mechanism described above with parametric control.

[0007] To achieve the aforementioned first objective, the present invention provides a parameterized control electrode positioning mechanism, comprising a base plate, a support plate, a width adjustment mechanism, and a control system. The support plate is mounted on the base plate and has a through-hole extending along its width. A limit block is provided on the support plate, located at one end of the through-hole and protruding upwards from the top wall of the support plate. The width adjustment mechanism includes a drive assembly and a lever. The lever is located within the through-hole and protrudes upwards from the top wall of the support plate. The drive assembly drives the lever to translate within the through-hole. A positioning groove is formed between the lever and the limit block, and the width of the positioning groove is adjustable. The control system includes an input unit and a control unit. The input unit is used to input the width parameter of the positioning groove, and the control unit is connected to the drive assembly to control the lever to move a preset distance according to the width parameter.

[0008] As can be seen from the above scheme, through the above settings, users can set the width of the positioning groove through the input unit according to actual needs. The control unit drives the toggle block to move into place in one step through the drive component, which is conducive to parametric control and adjustment of the positioning groove width, and improves the accuracy of the positioning groove width dimension. The electrode is placed in the positioning groove, and the electrode is positioned by the cooperation of the limit block and the toggle block. It has the advantages of simple structure and convenient operation. By setting the toggle block to pass through the support plate, the gap between the toggle block and the support plate is avoided, ensuring that the toggle block can move the electrode. Moreover, the maximum displacement of the toggle block back and forth is only slightly less than the width of the support plate, which makes the adjustment range of the positioning groove width wider. By setting the width of the positioning groove to be adjustable, the width adjustment is stepless, which is conducive to compatibility with various electrode widths and improves its practicality.

[0009] A further proposed solution is to set the number of clearance holes to two or more, with all clearance holes arranged along the length of the support plate; the number of toggle blocks is equal to the number of clearance holes, with each toggle block corresponding to a clearance hole, and all toggle blocks moving simultaneously.

[0010] As can be seen from the above scheme, with the above settings, two or more levers can act simultaneously from one side of the electrode, which is particularly suitable for positioning long electrode sheets, ensuring that the entire length of the electrode sheet can be accurately positioned.

[0011] A further embodiment is that the width adjustment mechanism also includes a sliding seat, which is slidably disposed between the base plate and the support plate via a guide rail assembly. All the toggle blocks are arranged on the sliding seat, and the drive assembly drives all the toggle blocks to move simultaneously via the sliding seat.

[0012] As can be seen from the above scheme, the above settings help to reduce the number of drive components and lower costs.

[0013] A further embodiment is that the drive assembly includes a motor, a motor mount, a lead screw, and a lead screw nut mount. The motor is fixed to the base plate via the motor mount. The lead screw is connected to the drive shaft of the motor. The lead screw nut mount is connected to both the lead screw and the sliding seat. The motor drives the lead screw to rotate, thereby causing the lead screw nut mount and the sliding seat to translate.

[0014] As can be seen from the above scheme, the above settings facilitate precise adjustment of the moving distance of the dial.

[0015] A further option is to set the number of limit blocks to two or more, with all limit blocks arranged along the length of the support plate.

[0016] A further option is that the parameterized control electrode positioning mechanism also includes an adsorption fixing component, which includes multiple adsorption holes arranged along the width direction of the support plate on the first end of the support plate, with the adsorption holes flush with the top wall of the support plate.

[0017] As can be seen from the above scheme, with the above settings, when the electrode is transferred into the positioning groove, one end of the electrode is first adsorbed through the adsorption hole to ensure that the electrode is fixed in the positioning groove, and then the pusher moves into place in one go to perform the positioning operation on the electrode.

[0018] A further embodiment includes a vacuum channel and a connector in the adsorption fixing assembly. The vacuum channel is located inside the first end of the support plate, the adsorption hole penetrates the top wall of the support plate and communicates with the vacuum channel, and the connector is located on the side wall of the first end of the support plate and communicates with the vacuum channel.

[0019] As can be seen from the above scheme, the above settings are conducive to optimizing the structure and saving costs.

[0020] To achieve the second objective mentioned above, the electrode positioning system provided by this utility model includes a loading and unloading assembly and the aforementioned parameterized control electrode positioning mechanism. The loading and unloading assembly is disposed on one side of the parameterized control electrode positioning mechanism and can move along the extension direction of the positioning groove.

[0021] As can be seen from the above scheme, the above settings facilitate the feeding and / or unloading of electrode sheets.

[0022] A further embodiment is that the loading and unloading assembly includes a translational base, a first driving device, a suction cup base, and a suction cup. The first driving device is mounted on the translational base and can move with the translational base. The first driving device can drive the suction cup base to move up and down. The suction cup is mounted on the suction cup base, and the position of the suction cup on the suction cup base is adjustable.

[0023] A further embodiment includes a lifting seat and a second driving device in the loading and unloading assembly. The lifting seat is slidably mounted on the translation seat and connected to the first driving device, which drives the lifting seat to move up and down. The second driving device and the suction cup seat are both mounted on the lifting seat, and the second driving device is connected to the suction cup seat, which can drive the suction cup seat to move up and down.

[0024] As can be seen from the above scheme, the above settings can, on the one hand, increase the downward travel of the suction cup to ensure that the suction cup can pick up the electrode sheet; on the other hand, when the loading and unloading assembly transfers the electrode sheet into the positioning groove, the end of the electrode sheet that is being held often tilts up. At this time, the second driving device can drive the suction cup to move down a small distance to press the tilted part down and make it fit with the surface of the adsorption hole to ensure effective adsorption. This utility model simultaneously sets up a first driving device and a second driving device. During the process of the first driving device placing the suction cup and the electrode sheet into the positioning groove, the second driving device can be activated in time to press down the tilted part of the electrode sheet. Compared with the scheme of setting up a single driving device, it is beneficial to save time and improve work efficiency. Attached Figure Description

[0025] Figure 1 This is a structural diagram from the first perspective of an embodiment of the parameterized control electrode positioning mechanism of this utility model.

[0026] Figure 2 This is a structural diagram from a second perspective of an embodiment of the parameterized control electrode positioning mechanism of this utility model.

[0027] Figure 3 This is an exploded view of an embodiment of the parameterized control electrode positioning mechanism of this utility model.

[0028] Figure 4 This is a structural diagram of an embodiment of the electrode positioning system of this utility model.

[0029] Figure 5 This is a structural diagram of the loading and unloading assembly in an embodiment of the electrode positioning system of this utility model.

[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments. Detailed Implementation

[0031] Example of a parameterized control electrode positioning mechanism:

[0032] See Figures 1 to 3 The parameterized control electrode positioning mechanism 10 provided in this embodiment includes a base plate 1, a support plate 2, a width adjustment mechanism 3, and a control system (not shown in the figure).

[0033] A support plate 2 is arranged parallel above the base plate 1. The support plate 2 has a through hole 21 extending vertically. The through hole 21 extends along the width of the support plate 2, and the length of the through hole 21 is close to the width of the support plate 2. A limit block 22 is provided on one side of the width of the support plate 2. The limit block 22 is located at one end of the through hole 21 and protrudes upward from the top wall of the support plate 2.

[0034] The width adjustment mechanism 3 includes a drive assembly 31 and a lever 32. The lever 32 is disposed within the clearance hole 21 and protrudes upward from the top wall of the support plate 2. The lever 32 is disposed opposite to the limiting block 22 and forms a positioning groove 4 for positioning the electrode (not shown in the figure). The drive assembly 31 drives the lever 32 to translate within the clearance hole 21 to adjust the width of the positioning groove 4 according to the actual width of the electrode.

[0035] The control system includes an input unit and a control unit. The user can input the width parameter of the positioning slot through the input unit, which can be a physical keyboard or a virtual keyboard, based on the actual width of the electrode. The control unit is connected to the drive assembly 31 to control the toggle block 32 to move a preset distance according to the width parameter, ensuring that the width of the positioning slot 4 is equal to the input width parameter after the toggle block 32 is in place, thus achieving parameterized control.

[0036] Since the lever 32 extends upward through the support plate 2, there is no gap between the lever 32 and the top wall of the support plate 2. This not only allows for the positioning of thinner electrode sheets but also prevents damage to the electrode sheets.

[0037] Because the movement of the toggle block 32 is continuous, the width of the positioning groove 4 can be adjusted steplessly, which is beneficial for compatibility with more electrode sheets of different specifications.

[0038] Generally, the electrode sheet is relatively long. To ensure effective positioning along the length of the electrode sheet, the number of clearance holes 21 is usually set to two or more, and all clearance holes 21 are arranged along the length of the support plate 2. The number of toggle blocks 32 is equal to the number of clearance holes 21, and the toggle blocks 32 are arranged in a one-to-one correspondence with the clearance holes 21. This embodiment takes three clearance holes 21 and three toggle blocks 32 as an example.

[0039] Each toggle block 32 can move independently or simultaneously; in this embodiment, the latter is preferred. Specifically:

[0040] The width adjustment mechanism 3 also includes a sliding seat 33, which is slidably disposed between the support plate 2 and the base plate 1 via a guide rail assembly, and extends along the length of the support plate 2. All the toggle blocks 32 are arranged on the sliding seat 33. The drive assembly 31 drives all the toggle blocks 32 to move simultaneously via the sliding seat 33.

[0041] To ensure the accuracy of the movement distance of the lever 32, in this embodiment, the drive assembly 31 includes a motor 311, a motor mount 312, a lead screw 313, and a lead screw nut seat 314. The motor 311 is fixed to one side of the base plate 1 via the motor mount 312. The lead screw 313 is connected to the drive shaft of the motor 311. The lead screw nut seat 314 is connected to both the lead screw 313 and the sliding seat 33. The motor 311 is electrically connected to the control unit. The motor 311 drives the lead screw 313 to rotate in both directions around its axis, thereby causing the lead screw nut seat 314 and the sliding seat 33 to move back and forth.

[0042] To ensure the accuracy of the moving direction of the lever 32, the base plate 1 is also provided with several first guide rail assemblies 11, each of which extends along the width direction of the support plate 2. The sliding seat 33 is disposed on the first guide rail assembly 11 and moves back and forth along its extending direction.

[0043] The number of limiting blocks 22 is set to two or more, and all limiting blocks 22 are arranged along the length of the support plate 2 on one side wall of the support plate 2. This embodiment takes five limiting blocks 22 as an example. The limiting blocks 22 are designed as right-angled trapezoidal structures with their hypotenuses facing upwards.

[0044] Combination Figure 1 and Figure 3 The parameterized control electrode positioning mechanism 10 also includes an adsorption fixing component, which includes multiple adsorption holes 23 arranged in two rows. Each row of adsorption holes 23 is arranged along the width direction of the support plate 2 on the first end of the support plate 2, and the adsorption holes 23 are flush with the top wall of the support plate 2. The adsorption holes 23 can be directly set on the support plate 2, or they can be set on the outer side of the end of the support plate 2 through other structures. In this embodiment, the former is preferred.

[0045] The adsorption and fixation assembly also includes vacuum channels and connectors 24. The number of vacuum channels is equal to the number of rows of adsorption holes 23 and they are arranged in a one-to-one correspondence. The vacuum channels are located inside the first end of the support plate 2, and the adsorption holes 23 penetrate through the top wall of the support plate 2 and communicate with the vacuum channels. The connectors 24 are located on the side wall of the first end of the support plate 2 and communicate with the vacuum channels, for connecting to the vacuum generator on the outside.

[0046] The adsorption fixing component uses the vacuum adsorption principle to fix the electrode. In this embodiment, the suction force of the adsorption hole 23 is less than the actuating force of the actuating block 32. Even after the adsorption hole 23 has adsorbed and fixed the electrode, the actuating block 32 can still move the electrode to perform the positioning operation.

[0047] Example of an electrode positioning system:

[0048] See Figure 4 and Figure 5The electrode positioning system provided in this embodiment includes a loading and unloading assembly 5 and a parameterized control electrode positioning mechanism 10 as described in the above embodiment.

[0049] The loading / unloading assembly 5 is located on one side of the electrode positioning mechanism 10. The loading / unloading assembly 5 moves back and forth along the extension direction of the positioning groove 4 via the synchronous belt module 6. The synchronous belt module 6 is conventional technology in the field and will not be described in detail here. In the vertical direction, the loading / unloading assembly 5 is positioned above the parameterized electrode positioning mechanism 10.

[0050] The loading and unloading assembly 5 includes a translation seat 51, a second guide rail assembly 52, a first drive device 53, a lifting seat 54, a second drive device 55, a suction cup seat 56, and two suction cups 57.

[0051] The first drive device 53 and the second guide rail assembly 52 are both mounted on the translation seat 51 and can move horizontally with the translation seat 51. The lifting seat 54 is mounted on the second guide rail assembly 52. ​​The first drive device 53 is connected to the lifting seat 54 via a floating joint 58 to drive the lifting seat 54 to move up and down. The second drive device 55 and the suction cup seat 56 are both mounted on the lifting seat 54. The suction cup seat 56 is connected to the second drive device 55, and the second drive device 55 can drive the suction cup seat 56 to move up and down. The suction cup 57 is mounted on the suction cup seat 56. In this embodiment, the first drive device 53 and the second drive device 55 can be either pneumatic cylinders or hydraulic cylinders, and are not limited thereto.

[0052] The stroke of the first drive device 53 is greater than or equal to the stroke of the second drive device 55. The first drive device 53 and the second drive device 55 can work independently or simultaneously. When the first drive device 53 and the second drive device 55 work simultaneously, the suction cup 57 has the largest stroke in the vertical direction.

[0053] The position of the suction cup 57 on the suction cup base 56 is adjustable. Specifically, the suction cup base 56 has two mounting grooves 561 extending along the length of the suction cup base 56. Preferably, the extending direction of the mounting grooves 561 is parallel to the width direction of the positioning groove 4. The two suction cups 57 are detachably connected to the corresponding mounting grooves 561. By adjusting the position of the suction cups 57 within the mounting grooves 561, their position can be adjusted to ensure that the suction cups 57 can be adsorbed onto the center of the electrode.

[0054] In this embodiment, the suction cup 57 of the loading and unloading assembly 5 is adsorbed onto one end of the electrode sheet along its length. Driven by the synchronous belt module 6, the loading and unloading assembly 5 moves above the adsorption hole 23 and then moves down to place the electrode sheet into the positioning groove. At this time, due to the adsorption effect of the loading and unloading assembly 5, one end of the electrode sheet is prone to tilting upwards. When the electrode sheet is placed into the positioning groove 4, there is a certain gap between the tilted part and the adsorption hole 23. In order to ensure that the adsorption hole 23 effectively adsorbs the electrode sheet, the second driving device 55 of the loading and unloading assembly 5 can drive the suction cup 57 to move down a small distance to press the tilted part down onto the surface of the adsorption hole 23, ensuring that the adsorption hole 23 effectively adsorbs and fixes the electrode sheet. Afterwards, the control unit drives the lead screw 313 through the motor 311 according to the input width parameter. The lead screw 313 drives the toggle block 32 to move, realizing parameterized control, so that the width of the positioning groove 4 is equal to the input width parameter, so as to position the electrode sheet.

[0055] In summary, this utility model, through the above-described settings, allows users to set the width of the positioning groove via the input unit according to actual needs. The control unit drives the lever to move into position in one step via the drive component, which facilitates parameterized control and adjustment of the positioning groove width, improving the accuracy of the positioning groove width. The electrode is placed in the positioning groove 4, and the electrode is positioned by the cooperation of the limiting block 22 and the lever 32, which has the advantages of simple structure and convenient operation. By setting the lever 32 to pass through the support plate 2, a gap between the lever 32 and the support plate 2 is avoided, ensuring that the lever 32 can move the electrode. Moreover, the maximum displacement of the lever 32 back and forth is only slightly less than the width of the support plate 2, making the adjustment range of the positioning groove 4 wider. By setting the width of the positioning groove 4 to be adjustable, the width adjustment is stepless, which is beneficial for compatibility with various electrode widths and improves its practicality.

[0056] Finally, it should be emphasized that the above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A parameterized control electrode positioning mechanism, characterized in that, include: Base plate; A support plate is provided on the base plate. The support plate has a through hole extending vertically. The through hole extends along the width direction of the support plate. A limit block is provided on the support plate. The limit block is located at one end of the through hole and protrudes upward from the top wall of the support plate. The width adjustment mechanism includes a drive component and a lever. The lever is disposed in the clearance hole and protrudes upward from the top wall of the support plate. The drive component drives the lever to move horizontally within the clearance hole. A positioning groove is formed between the lever and the limiting block. The width of the positioning groove is adjustable. The control system includes an input unit and a control unit. The input unit is used to input the width parameter of the positioning groove, and the control unit is connected to the drive assembly to control the toggle block to move a preset distance according to the width parameter.

2. The parameterized control electrode positioning mechanism according to claim 1, characterized in that: The number of clearance holes is set to two or more, and all the clearance holes are arranged along the length direction of the support plate. The number of the toggle blocks is equal to the number of the clearance holes, and the toggle blocks are set in a one-to-one correspondence with the clearance holes. All the toggle blocks move simultaneously.

3. The parameterized control electrode positioning mechanism according to claim 2, characterized in that: The width adjustment mechanism also includes a sliding seat, which is slidably disposed between the base plate and the support plate via a guide rail assembly. All the toggle blocks are arranged on the sliding seat, and the drive assembly drives all the toggle blocks to move simultaneously via the sliding seat.

4. The parameterized control electrode positioning mechanism according to claim 3, characterized in that: The drive assembly includes a motor, a motor mount, a lead screw, and a lead screw nut mount. The motor is fixed to the base plate via the motor mount. The lead screw is connected to the drive shaft of the motor. The lead screw nut mount is connected to both the lead screw and the sliding seat. The motor drives the lead screw to rotate, thereby causing the lead screw nut mount and the sliding seat to translate.

5. The parameterized control electrode positioning mechanism according to claim 1, characterized in that: The number of the limiting blocks is set to two or more, and all the limiting blocks are arranged along the length direction of the support plate.

6. The parameterized control electrode positioning mechanism according to claim 1, characterized in that: The parameterized control electrode positioning mechanism further includes an adsorption fixing component, which includes a plurality of adsorption holes arranged along the width direction of the support plate on the first end of the support plate, and the adsorption holes are flush with the top wall of the support plate.

7. The parameterized control electrode positioning mechanism according to claim 6, characterized in that: The adsorption and fixation assembly further includes a vacuum channel and a connector. The vacuum channel is disposed inside the first end of the support plate. The adsorption hole penetrates the top wall of the support plate and communicates with the vacuum channel. The connector is disposed on the side wall of the first end of the support plate and communicates with the vacuum channel.

8. An electrode positioning system, characterized in that: The device includes a loading and unloading assembly and a parameterized control electrode positioning mechanism as described in any one of claims 1 to 7. The loading and unloading assembly is disposed on one side of the parameterized control electrode positioning mechanism and can move along the extension direction of the positioning groove.

9. The electrode positioning system according to claim 8, characterized in that: The loading and unloading assembly includes a translation base, a first driving device, a suction cup base, and a suction cup. The first driving device is mounted on the translation base and can move with the translation base. The first driving device can drive the suction cup base to move up and down. The suction cup is mounted on the suction cup base and the position of the suction cup on the suction cup base is adjustable.

10. The electrode positioning system according to claim 9, characterized in that: The loading and unloading assembly also includes a lifting seat and a second driving device. The lifting seat is slidably disposed on the translation seat and connected to the first driving device. The first driving device drives the lifting seat to move up and down. Both the second driving device and the suction cup base are mounted on the lifting base, and the second driving device is connected to the suction cup base, which can drive the suction cup base to move up and down.

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