Battery cell clamp and battery cell sealing nail equipment
By designing adjustable battery cell clamps, the problem of the inability to adjust the size of traditional fixtures is solved, and adaptive clamping to different sizes of battery cells is achieved, which improves production efficiency and reduces costs.
Patent Information
- Application Number
- CN202421658253.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-12
AI Technical Summary
During the welding of traditional battery cell sealing nails, the size of the fixture cannot be adjusted, resulting in the need to replace or redesign the fixture for battery cells of different sizes, which increases production cost and replacement time.
A battery cell clamp is designed, including a first and second clamping group that can be slidably connected, and the size of the clamping space is adjusted to adapt to the battery cell of different sizes by adjusting the mating block and the scale.
The adjustable size of the battery cell clamp is achieved, saving the design time of the battery cell replacement clamp, improving the battery cell production efficiency, and reducing production costs.
Smart Images
Figure CN222999943U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of battery cell processing, and particularly to a battery cell fixture and a battery cell sealing nail device. Background Art
[0002] With the continuous development of new energy technologies, batteries are widely used in multiple fields such as photovoltaic energy storage, new energy vehicles, and industrial robots. During the production and manufacturing process of batteries, it is necessary to seal the electrolyte in the battery cell through sealing nails to prevent electrolyte leakage. However, the size of the battery cell is closely related to the application scenarios it is used in. The size of the fixture used in the traditional battery cell sealing nail welding process cannot be adjusted, and when welding sealing nails for different size models of battery cells, it is necessary to replace or re - design a fixture of a new size. Therefore, the flexibility of using the battery cell fixture deserves attention. Summary of the Utility Model
[0003] In view of this, this application provides a battery cell fixture and a battery cell sealing nail device, aiming to solve the problem of adjustable battery cell fixtures. In the first aspect, a battery cell fixture is provided, which is used to clamp a battery cell under the drive of a drive unit, and includes: a bottom plate; a first clamping group, arranged on the bottom plate and slidably connected to the bottom plate, including: a first clamping block and a second clamping block; the first clamping block is connected to the second clamping block through a first movable connection structure; a second clamping group, arranged on the bottom plate and opposite to the first clamping group, forming a clamping space; a scale, arranged on the bottom plate along a first direction; an adjusting block, connected to the first clamping block and adjacent to the scale, the adjusting block pushes the first clamping block along the first direction under the drive of the drive unit, and the first movable connection structure drives the second clamping block to move in a second direction, the first direction is perpendicular to the second direction; wherein, the adjusting block adjusts the size of the clamping space based on the size of the battery cell and the scale of the scale to clamp the battery cell.
[0004] The above - mentioned battery cell fixture adjusts the first clamping group under the action of the adjusting block through the drive unit to achieve adjustable clamping size, and the cooperation between the scale and the adjusting block realizes accurate size adjustment. The battery cell fixture of this application can save the design time of the battery cell type - changing fixture and improve the production efficiency of the battery cell.
[0005] Optionally, the first movable connection structure includes: a connecting plate, connected to the first clamping block, on which a column is arranged; a hole plate, connected to the second clamping block, on which a first waist - shaped hole is opened and can be cooperatively connected with the column.
[0006] Optionally, it further includes: a first sliding mechanism, arranged between the bottom plate and the first clamping block along the first direction; a second sliding mechanism, arranged between the bottom plate and the second clamping block along the second direction; the first clamping block moves along the first sliding mechanism under the push of the adjusting block; the second clamping block moves along the second sliding mechanism under the drive of the first movable connection structure.
[0007] Optionally, the second clamping group includes: a third clamping block, which is arranged opposite to the first clamping block and fixedly connected to the bottom plate; a fourth clamping block, which is arranged opposite to the second clamping block and fixedly connected to the bottom plate.
[0008] Optionally, there are two first clamping groups, two adjusting blocks, and two fourth clamping blocks. The two fourth clamping blocks are respectively arranged opposite to the two second clamping blocks; the third clamping block is arranged between the two first clamping blocks; or, there are two third clamping blocks, and the two third clamping blocks are respectively arranged opposite to the two first clamping blocks.
[0009] The above cell fixture can simultaneously clamp two cells of the same or different sizes, further improving the welding efficiency of the cell sealing nails.
[0010] Optionally, the first clamping block includes: a first base, and a first pushing block arranged on the first base; the second clamping block includes: a second base, and a second pushing block arranged on the second base.
[0011] Optionally, the first sliding mechanism is arranged between the first base and the bottom plate; the second sliding mechanism is arranged between the second base and the bottom plate.
[0012] Optionally, the first base is provided with a second waist-shaped hole along the first direction, and the lower part of the adjusting block is slidably installed in the second waist-shaped hole.
[0013] Optionally, it further includes: a plurality of soft package structures; the plurality of soft package structures are arranged on the first clamping group and the second clamping group in the direction towards the clamped cell.
[0014] In a second aspect, a cell sealing nail device is provided, including the cell fixture provided in the first aspect above. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The following briefly introduces the drawings used in the description of the embodiments of the present application:
[0016] Figure 1 It shows a top view of the structure of a cell fixture provided by an embodiment of the present application;
[0017] Figure 2 It shows a schematic structural diagram of a cell fixture provided by an embodiment of the present application;
[0018] Figure 3 It shows a top view of the structure of another cell fixture provided by an embodiment of the present application;
[0019] Figure 4 It shows a top view of the structure of yet another cell fixture provided by an embodiment of the present application.
[0020] Description of the attached reference numerals: 100 - battery cell fixture, 110 - bottom plate, 120 - first clamping group, 121 - first clamping block, 1211 - first base, 1212 - first pushing block, 122 - second clamping block, 1221 - second base, 1222 - second pushing block, 130 - first movable connection structure, 131 - connecting plate, 1311 - column, 132 - hole plate, 1321 - first waist-shaped hole, 140 - second clamping group, 141 - third clamping block, 142 - fourth clamping block, 150 - clamping space, 160 - scale, 170 - adjusting block, 210 - first sliding mechanism, 220 - second sliding mechanism, 410 - soft package structure. Detailed implementation manners
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the specific implementation manners of the present application will be described below with reference to the accompanying drawings. The accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings or embodiments can be obtained based on these drawings or embodiments. Adjustments and improvements made without departing from the concept of the present application all fall within the protection scope of the present application.
[0022] For the sake of simplicity of the drawings, each drawing only schematically shows the parts related to the embodiments, and they do not represent the actual structure of the product. In addition, for the sake of simplicity and easy understanding of the drawings, in some drawings, parts with the same structure or function are only schematically shown, and there may actually be more or fewer parts with the same structure or function.
[0023] In the present application, unless otherwise clearly specified and defined, ordinal numbers, such as "first", "second", etc., are only used to distinguish and describe related objects, and cannot be understood as indicating or implying the relative importance or order between related objects; in addition, they do not represent the quantity of related objects. "Multiple" includes two or more, and other quantifiers are similar. " / " is used to describe the relationship between related objects, which means the "or" relationship between related objects. "And / or" is used to describe the relationship between related objects, which includes any combination relationship between related objects. For example, "a and / or b" includes: "a alone", "b alone", or "a and b". "One or more" or "at least one" among multiple objects refers to any object or any combination of multiple objects. For example, "one or more of a1, a2, a3" or "at least one of a1, a2, a3" includes: "a1 alone", "a2 alone", "a3 alone", "a1 and a2", "a1 and a3", "a2 and a3", or "a1, a2 and a3".
[0024] With the continuous development of new energy technologies, batteries are widely used in multiple fields such as photovoltaic energy storage, new energy vehicles, and industrial robots. During the production and manufacturing process of batteries, a sealing nail needs to be welded to the electrolyte injection hole of the battery cell to form a primary seal of the battery, sealing the electrolyte within the battery cell, preventing electrolyte leakage and contact with the outside world, and ensuring the safety and reliability of the battery. During the sealing nail welding process, the battery cell needs to be fixed by a battery cell fixture to ensure the stability of the welding process. However, when the battery cell sealing nail equipment changes to a new battery cell model, the size of the battery cell may be different. At this time, the corresponding size of the battery cell fixture needs to be replaced, and the fixture needs to be remade according to the size of the new battery cell model to fix the position of the battery cell. This process increases the fixture changeover time and raises the production cost of the battery cell.
[0025] Please refer to Figure 1 , which shows a structural top view of a battery cell fixture provided by an embodiment of the present application. The battery cell fixture 100 is used to clamp the battery cell under the drive of a drive unit, and includes: a bottom plate 110; a first clamping group 120, arranged on the bottom plate 110 and slidably connected to the bottom plate 110, including: a first clamping block 121 and a second clamping block 122; the first clamping block 121 is connected to the second clamping block 122 through a first movable connection structure 130; a second clamping group 140, arranged on the bottom plate 110 and oppositely arranged with the first clamping group 120 to form a clamping space 150; a scale 160, arranged on the bottom plate 110 along a first direction F1; an adjustment block 170, connected to the first clamping block 121 and arranged adjacent to the scale 160, the adjustment block 170 pushes the first clamping block 121 along the first direction F1 under the drive of the drive unit, and the first movable connection structure 130 drives the second clamping block 122 to move in a second direction F2, the first direction F1 is perpendicular to the second direction F2; wherein, the adjustment block 170 adjusts the size of the clamping space 150 based on the size of the battery cell and the scale of the scale 160 to clamp the battery cell.
[0026] When welding the sealing nail of the battery cell, in order to ensure the stability of the welding process, it is necessary to clamp the battery cell. At the same time, different-sized battery cells require different-sized jigs. The solution of this application adjusts the first clamping group 120 to determine the size of the clamping space 150 according to the size of the battery cell model, so as to cope with the replacement and adjustment of the battery cell, thereby improving the flexibility and universality of the use of the battery cell jig, without the need to re-design the battery cell jig, improving the production efficiency of the battery cell, and saving production costs. Driven by the driving unit, the battery cell jig 100 adjusts the position of the adjusting block 170. At the same time, the adjusting block 170 drives the position of the first clamping block 121 in the first clamping group 120. For example, when moving in the first direction F1, the width of the clamping space 150 is reduced; and, the second clamping block 122 moves in the second direction F2 driven by the first movable connection structure, reducing the length of the clamping space 150. Or, the adjusting block 170 moves in the opposite direction of the first direction F1, driving the first clamping block 121 in the first clamping group 120 to move synchronously, thereby expanding the width of the clamping space 150, and the second clamping block 122 moves in the opposite direction of the second direction F2 driven by the first movable connection structure 130, thereby expanding the length of the clamping space 150. In the above process, the second clamping group 140 can remain stationary, so as to adjust the size of the clamping space 150 by the movement of the first clamping group 120. In some embodiments, the second clamping group 140 can also be adjusted to cooperate with the first clamping group 120 to adjust the size of the clamping space 150. The driving unit can be a cylinder, a motor or other devices with driving ability. For example, when the driving unit is a cylinder, the cylinder can be directly connected to the adjusting block 170 to provide power for the adjusting block 170. During the process of the adjusting block 170 adjusting the size of the clamping space 150 through the first clamping group 120, a scale 160 can be used for size calibration to achieve rapid and accurate adjustment, and improve the clamping stability of the battery cell.
[0027] In some embodiments of the present application, the second clamping group 140 includes: a third clamping block 141, which is disposed opposite to the first clamping block 121 and fixedly connected to the bottom plate 110; a fourth clamping block 142, which is disposed opposite to the second clamping block 122 and fixedly connected to the bottom plate 110. Thus, when the first clamping group 120 is adjusted, the second clamping group 140 remains stationary and cooperates with the first clamping group 120 to adjust the size of the clamping space 150. Optionally, the third clamping block 141 can be arranged opposite to the first clamping block 121, and another adjusting block is used to push the third clamping block 141 to move on the sliding mechanism, and a movable connection structure is arranged between the third clamping block 141 and the fourth clamping block 142, so that the fourth clamping block 142 is driven by it to also move on the sliding mechanism to cooperate with the first clamping group 120 to adjust the size of the clamping space 150.
[0028] In some embodiments of the present application, please refer to Figure 2, which shows a schematic structural diagram of a battery cell fixture provided by an embodiment of the present application. The first movable connection structure 130 includes: a connecting plate 131 connected to the first clamping block 121, on which a column 1311 is provided; a hole plate 132 connected to the second clamping block 122, on which a first waist-shaped hole 1321 is formed and can be cooperatively connected with the column 1311.
[0029] The size of the first waist-shaped hole 1321 is designed to accommodate the movement of the column 1311 therein, and the length of the first waist-shaped hole 1321 can satisfy that when the first clamping block 121 moves in the first direction F1 under the action of the adjusting block 170, the second clamping block 122 is driven to move in the second direction F2 through the column 1311.
[0030] Continue to refer to Figure 2 , further including: a first sliding mechanism 210 disposed between the bottom plate 110 and the first clamping block 121 along the first direction F1; a second sliding mechanism 220 disposed between the bottom plate 110 and the second clamping block 122 along the second direction F2; the first clamping block 121 moves along the first sliding mechanism 210 under the push of the adjusting block 170; the second clamping block 122 moves along the second sliding mechanism 220 driven by the first movable connection structure 130. The first sliding mechanism 210 and the second sliding mechanism 220 can be realized by a slide rail or a slider.
[0031] In some embodiments of the present application, there are two first clamping groups, including a first clamping group 100A and a first clamping group 100B, there are two adjusting blocks 170, and the number of the fourth clamping blocks 142 is two. The two fourth clamping blocks 142 are respectively disposed opposite to the two second clamping blocks 122;
[0032] Refer to Figure 3 , which shows a top view of the structure of another battery cell fixture provided by an embodiment of the present application. The third clamping block 141 is disposed between the first clamping block 121A and the first clamping block 121B; and an adjusting block 170B is also disposed on the first clamping block 121B, so that the adjusting block 170B adjusts the first clamping block 121B to adjust the size of the clamping space. The battery cell fixture 100 forms two clamping spaces, and two battery cells can be clamped simultaneously, and the sizes of the two battery cells can be the same or different, thereby improving the efficiency of battery cell sealing nail welding.
[0033] Refer to Figure 4, which shows a top view of the structure of another cell fixture provided by the embodiments of the present application. The number of the third clamping blocks 141 is two, and the two third clamping blocks 141 are respectively arranged opposite to the two first clamping blocks 121. In this embodiment, the third clamping block 141A is opposite to the first clamping block 121A, and the third clamping block 141B is opposite to the first clamping block 121B. The third clamping blocks 141 and the fourth clamping blocks 142 are fixed on the bottom plate 110 without moving, and the two clamping spaces are adjusted by the movement of the first clamping blocks 121 and the second clamping blocks 122 to clamp two cells at the same time, and the sizes of the two cells can be the same or different, thereby improving the efficiency of cell seal nail welding.
[0034] In some embodiments of the present application, referring to Figure 2 , the first clamping block 121 includes: a first base 1211, and a first pushing block 1212 arranged on the first base 1211; the second clamping block 122 includes: a second base 1221, and a second pushing block 1222 arranged on the second base 1221. A reinforcing rib is arranged between the first base 1211 and the first pushing block 1212 to bear the reaction force when the first pushing block 1212 clamps the cell, and enhance the strength of the first clamping block 121. A reinforcing rib is also arranged between the second base 1221 and the second pushing block 1222 to bear the reaction force when the second pushing block 1222 clamps the cell, and enhance the strength of the second clamping block 122.
[0035] On the first base 1211, a second waist-shaped hole is opened along the first direction F1, and the lower part of the adjusting block 170 is slidably installed in the second waist-shaped hole. When the driving unit pushes the adjusting block 170, the adjusting block 170 can slide in the second waist-shaped hole.
[0036] The first sliding mechanism 210 is arranged between the first base 1211 and the bottom plate 110; the second sliding mechanism 220 is arranged between the second base 1221 and the bottom plate 110.
[0037] In some embodiments of the present application, referring to Figure 4 , it further includes: a plurality of soft package structures 410; the plurality of soft package structures 410 are arranged on the first clamping group 120 and the second clamping group 140 in the direction of clamping the cell. The soft package structures 410 can protect the surface of the clamped cell, and at the same time, provide an elastic force to assist in clamping the cell when clamping the cell for welding.
[0038] The present application also provides a cell seal nail welding device, including the cell fixture provided in the above embodiments.
Claims
1. A battery cell fixture, characterized in that: Used to clamp the battery cell under the drive of the drive unit, including: Base plate; A first clamping group, arranged on the bottom plate and slidably connected to the bottom plate, comprises: a first clamping block and a second clamping block; The first clamping block is connected to the second clamping block via a first movable connection structure; A second clamping group is arranged on the bottom plate and is arranged opposite to the first clamping group to form a clamping space; A scale, arranged on the bottom plate along a first direction; an adjusting block connected to the first clamping block and arranged adjacent to the scale, wherein the adjusting block pushes the first clamping block along the first direction under the drive of the driving unit, and the first movable connection structure drives the second clamping block to move in the second direction, and the first direction is perpendicular to the second direction; Wherein, the adjustment block adjusts the size of the clamping space based on the size of the battery cell and the scale of the scale to clamp the battery cell.
2. The battery cell fixture according to claim 1, characterized in that: The first movable connection structure comprises: A connecting plate, connected to the first clamping block, on which a column is arranged; The orifice plate is connected to the second clamping block and is provided with a first waist-shaped hole which can be matched and connected with the column.
3. The battery cell fixture according to claim 1 or 2, characterized in that: Also includes: A first sliding mechanism, arranged between the bottom plate and the first clamping block along the first direction; A second sliding mechanism is arranged between the bottom plate and the second clamping block along the second direction; The first clamping block moves along the first sliding mechanism under the push of the adjusting block; The second clamping block moves along the second sliding mechanism driven by the first movable connection structure.
4. The battery cell fixture according to claim 1 or 2, characterized in that: The second clamping group comprises: A third clamping block, arranged opposite to the first clamping block and fixedly connected to the bottom plate; The fourth clamping block is arranged opposite to the second clamping block and is fixedly connected to the bottom plate.
5. The battery cell fixture according to claim 4, characterized in that: There are two first clamping groups, two adjusting blocks, two fourth clamping blocks, and two fourth clamping blocks are respectively arranged opposite to two second clamping blocks; The third clamping block is disposed between the two first clamping blocks; or, The number of the third clamping blocks is two, and the two third clamping blocks are respectively arranged opposite to the two first clamping blocks.
6. The battery cell fixture according to claim 3, characterized in that: The first clamping block comprises: a first base, and a first pushing block arranged on the first base; The second clamping block includes: a second base, and a second pushing block arranged on the second base.
7. The battery cell fixture according to claim 6, characterized in that: The first sliding mechanism is arranged between the first base and the bottom plate; The second sliding mechanism is arranged between the second base and the bottom plate.
8. The battery cell fixture according to claim 6, characterized in that: The first base is provided with a second waist-shaped hole along the first direction, and the lower part of the adjustment block can be slidably installed in the second waist-shaped hole.
9. The battery cell fixture according to claim 1 or 2, characterized in that: Also includes: Multiple soft package structures; The plurality of soft-pack structures are arranged on the first clamping group and the second clamping group in a direction of clamping the battery core.
10. A battery core sealing nail device, characterized in that: The battery cell clamp comprises the battery cell clamp according to any one of claims 1 to 9.