Positioning device

Abstract

The utility model relates to a positioning device, which comprises a base, a positioning device and a positioning device, the first positioning mechanism is connected to the base, and the first positioning mechanism is used for clamping a battery cell in the horizontal direction; the first positioning mechanism is connected to the base, the second positioning mechanism is connected to the base, the first positioning mechanism and the second positioning mechanism are arranged in a spaced mode in the vertical direction, and the second positioning mechanism is used for clamping a battery cell in the horizontal direction. Therefore, the positioning device not only can position the battery cell in the horizontal direction, but also can perform dual positioning on the battery cell in the vertical direction through the first positioning mechanism and the second positioning mechanism. The positioning device can be used for more fully positioning the battery cell and ensuring the accurate alignment of the battery cell in the binding process, so that the welding quality is obviously improved, the battery cell is ensured to meet the strict quality standard, and the production efficiency and the stability of a production line are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production technical field especially relates to a positioning device. BACKGROUND

[0002] In the lithium battery automatic production line, the battery cell will assemble the sealing aluminum nail to the liquid injection hole before the pre-point welding. If the battery cell position deviates in the nail assembly process, the aluminum nail assembly is easy to deviate, thereby affecting the final welding quality of the battery cell, even leading to the battery cell not meeting the quality standard requirement, thereby reducing the production efficiency, prolonging the production cycle, and hindering the efficient operation of the whole production line. SUMMARY

[0003] The utility model provides a positioning device, which can improve the positioning effect of the battery cell.

[0004] The utility model provides a battery cell, which comprises a base for placing the battery cell, a first positioning mechanism connected to the base, the first positioning mechanism being used for clamping the battery cell in the horizontal direction, and a second positioning mechanism connected to the base, the first positioning mechanism and the second positioning mechanism being arranged in the vertical direction, and the second positioning mechanism being used for clamping the battery cell in the horizontal direction.

[0005] Optionally, the first positioning mechanism comprises two groups of clamping assemblies and a first driving member, the first driving member is connected to the base and drivingly connected with the two clamping assemblies, and the two groups of clamping assemblies are arranged opposite to each other along a first direction, and the first driving member can drive the two clamping assemblies to move close to or away from each other.

[0006] Optionally, each clamping assembly comprises one or more pairs of clamping members, each pair of clamping members comprises two clamping members arranged in a second direction, and the two clamping members of each pair of clamping members are used for abutting against two sides of the battery cell, and the second direction is perpendicular to the first direction.

[0007] Optionally, the clamping member comprises a first clamping part and a second clamping part connected to each other, and the first clamping part and the second clamping part abut against two adjacent sides of the battery cell, respectively.

[0008] Optionally, the first clamping part comprises a first curved surface, a first abutting surface, and a first outer side surface facing another clamping assembly, the first abutting surface is used for abutting against the battery cell, and the first outer side surface and the first abutting surface are connected through the first curved surface; and / or the second clamping part comprises a second curved surface, a second abutting surface, and a second outer side surface facing another clamping assembly, the second abutting surface is used for abutting against the battery cell, and the second outer side surface and the second abutting surface are connected through the second curved surface.

[0009] Optionally, the clamping assembly further comprises a connecting member; the connecting member is connected with the plurality of clamping members, and the connecting member is connected with the first driving member; the first driving member is used to drive the connecting member to drive the clamping members to clamp the battery cell.

[0010] Optionally, the clamping member is provided with a protective layer on a side facing the battery cell.

[0011] Optionally, the battery cell comprises opposite top and bottom ends; the first positioning mechanism is used to clamp a region of the battery cell close to the top end, and the second positioning mechanism is used to clamp a region of the battery cell close to the bottom end.

[0012] Optionally, the second positioning mechanism comprises a plurality of positioning members, the positioning members are used to abut against the battery cell; in a first direction, two of the positioning members are oppositely arranged and spaced apart; in a second direction, two of the positioning members are oppositely arranged and spaced apart; the first direction is perpendicular to the second direction.

[0013] Optionally, the second positioning mechanism comprises a plurality of second driving members, each of the positioning members is connected with the second driving member, and the second driving member is used to drive the positioning member to abut against the battery cell; or, the second positioning mechanism comprises a plurality of second driving members, oppositely arranged two of the positioning members are connected with the second driving member, and the second driving member is used to drive the oppositely arranged two of the positioning members to clamp the battery cell.

[0014] The utility model relates to a positioning device which comprises a base, a first positioning mechanism and a second positioning mechanism. The first positioning mechanism is connected to the base and is used to clamp the battery cell in the horizontal direction. The second positioning mechanism is connected to the base and is spaced apart from the first positioning mechanism in the vertical direction. The second positioning mechanism is used to clamp the battery cell in the horizontal direction. Thus, the positioning device can not only position the battery cell in the horizontal direction, but also double-position the battery cell in the vertical direction through the first and second positioning mechanisms. The positioning device can more fully position the battery cell, ensuring accurate alignment of the battery cell during the riveting process, thereby significantly improving the welding quality, ensuring that the battery cell meets strict quality standards, and improving production efficiency and production line stability. BRIEF DESCRIPTION OF DRAWINGS

[0015] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in connection with the accompanying drawings in which like reference numerals represent like parts.

[0017] Figure 1 is a schematic view showing the overall structure of the positioning device according to the present application.

[0018] Figure 2 is a schematic view showing the overall structure of the first positioning mechanism and the base in the positioning device according to the present application.

[0019] Figure 3 is a top view of the first positioning mechanism and the base in the positioning device according to the present application.

[0020] Figure 4 is another top view of the first positioning mechanism and the base in the positioning device according to the present application.

[0021] Figure 5 is a schematic view showing the overall structure of the second positioning mechanism and the base in the positioning device according to the present application. Figure 4 is an enlarged view of part A in FIG. 10.

[0022] Figure 6 is a schematic view showing the overall structure of the second positioning mechanism and the base in the positioning device according to the present application.

[0023] Reference Signs: 100, battery cell; 1, first positioning mechanism; 11, clamping assembly, 111, clamping piece; 112, first clamping portion; 113, second clamping portion; 114, connecting piece; 12, first driving piece; 2, second positioning mechanism; 21, positioning piece; 3, base. DETAILED DESCRIPTION

[0024] Hereinafter, preferred embodiments of the present application will be described in detail with reference to the accompanying drawings. In the following description, for the purpose of explanation, identical configurations are provided with identical reference numerals, and repetitive explanations are omitted. In addition, the drawings are schematic views, and the ratio of the size between the components or the shape of the components, etc. can be different from the actual. It should be noted that all directional references, such as, for example, upper, lower, left, right, front, rear, etc., used herein are in connection to the orientation of the components illustrated in the drawings and are made only for the purpose of illustrating specific embodiments of the application. The directional references have no limitations to the actual use of the present application.

[0025] It should also be noted that when an element or layer is referred to as being "on" or "connected to" another element or layer, it can be directly on or connected to the other element or layer or intervening elements or layers can be present. In contrast, when an element is referred to as being "connected directly" or "fixed directly" to another element or layer, there are no intervening elements or layers present.

[0026] Reference will now be made toFigure 1 And Figure 2 The application provides a positioning device, which comprises a base 3, a first positioning mechanism 1 and a second positioning mechanism 2. The base 3 is used for placing a battery cell 100; the first positioning mechanism 1 is connected to the base 3 and used for clamping the battery cell 100 in the horizontal direction; the second positioning mechanism 2 is connected to the base 3, the first positioning mechanism 1 and the second positioning mechanism 2 are arranged in the vertical direction, and the second positioning mechanism 2 is used for clamping the battery cell 100 in the horizontal direction. Therefore, the positioning device can not only position the battery cell 100 in the horizontal direction, but also double-position the battery cell 100 in the vertical direction through the first positioning mechanism 1 and the second positioning mechanism 2. The positioning of the battery cell 100 by the positioning device is more sufficient, the accurate alignment of the battery cell 100 in the process of installing nails is ensured, the welding quality is significantly improved, the battery cell 100 meets the strict quality standard, and the production efficiency and the production line stability are improved.

[0027] Referring to Figure 3 In some embodiments, the first driving member 12 is connected to the base 3 and drivingly connected with the two clamping assemblies 11; the two clamping assemblies 11 are oppositely arranged in the first direction, and the first driving member 12 can drive the two clamping assemblies 11 to move close to or away from each other to clamp the battery cell 100. Therefore, under the driving of the first driving member 12, the two clamping assemblies 11 move away from each other to reserve sufficient space for the placement of the battery cell 100, so that the battery cell 100 can be smoothly and unobstructedly placed in the predetermined position. Then, the clamping assembly 11 moves close to the battery cell 100 under the cooperation of the second driving member, so that the battery cell 100 is clamped and positioned.

[0028] Referring to Figure 4 In some examples, the first positioning mechanism 1 can comprise two first driving members 12, and each clamping assembly 11 is connected with a first driving member 12. The two first driving members 12 respectively drive the corresponding clamping assemblies 11 to move close to or away from each other. Specifically, the first driving member 12 can be a pneumatic cylinder, and the clamping assembly 11 can be connected to the output end of the pneumatic cylinder.

[0029] In other examples, the two clamping assemblies 11 can be driven by the same first driving member 12. Specifically, in this example, the first driving member 12 can comprise a motor, a screw rod and two nuts, the motor is connected with one end of the screw rod, the screw rod has symmetrical positive and negative threads, and the two clamping assemblies 11 are respectively provided with a nut, and the two nuts are respectively screwed with the screw rod at the positive and negative threads. When the motor drives the screw rod to rotate, the nuts drive the two clamping assemblies 11 to move close to or away from each other.

[0030] Referring to Figure 3In some embodiments, each clamping assembly 11 includes one or more pairs of clamping pieces, each pair of clamping pieces including two clamping pieces 111 spaced apart in a second direction; the two clamping pieces 111 of each pair of clamping pieces are used to abut two sides of the battery cell 100, and the second direction is perpendicular to the first direction. In this way, the battery cell 100 can be positioned and clamped by the clamping assembly 11 in two directions. Especially for square battery cells 100, the clamping positioning effect is better.

[0031] Referring to Figure 4 and Figure 5 In some embodiments, the clamping piece 111 includes a first clamping portion 112 and a second clamping portion 113 connected to each other, and the first clamping portion 112 and the second clamping portion 113 abut two adjacent sides of the battery cell 100, respectively. Referring to Figure 5 , the clamping piece 111 can have an L-shaped structure. It can be understood that when clamping a square battery cell 100, the two clamping pieces 111 can clamp the two edges on the diagonal of the battery cell 100, respectively, and also have a good positioning effect. In some embodiments, the four edges of the battery cell 100 have one clamping piece 111 clamped, and the positioning effect is better and the stability is stronger.

[0032] In some embodiments, the first clamping portion 112 includes a first arc surface, a first abutting surface for abutting the battery cell 100, and a first outer side surface facing the other clamping assembly 11, and the first outer side surface and the first abutting surface are connected by the first arc surface. Specifically, the first arc surface is arc-shaped, and during the production and processing of the first clamping portion 112, the first clamping portion can be chamfered by 0.5 cm to form the first arc surface. In this way, the structure of the arc surface can avoid the operator from knocking against sharp places during the operation process, reducing the harm to the operator. At the same time, it can also improve the aesthetics and durability of the positioning device. The first abutting surface can be a straight surface, which can better fit the outer wall of the battery cell 100 when clamping the square battery cell 100, and the positioning and clamping effect is better.

[0033] In some embodiments, the second clamping portion 113 includes a second arc surface, a second abutting surface for abutting the battery cell 100, and a second outer side surface facing the other clamping assembly 11, and the second outer side surface and the second abutting surface are connected by the second arc surface. Specifically, the second arc surface is arc-shaped, and during the production and processing of the second clamping portion 113, the second clamping portion can be chamfered by 0.5 cm to form the second arc surface. In this way, the structure of the arc surface can avoid the operator from knocking against sharp places during the operation process, reducing the harm to the operator. At the same time, it can also improve the aesthetics and durability of the positioning device. The second abutting surface can be a straight surface, which can better fit the outer wall of the battery cell 100 when clamping the square battery cell 100, and the positioning and clamping effect is better.

[0034] In some examples, the length of the first clamping part 112 can be 27 mm, the length of the second clamping part 113 can be 20 mm, and the thickness of the first clamping part 112 and the second clamping part 113 can be 10 mm.

[0035] In some examples, the clamping part 111 can be made of a non-metal material. For example, a POM plastic that is wear-resistant and high-temperature-resistant. Specifically, POM plastic has low density, and using POM to make the clamping part 111 can reduce the overall weight, which is suitable for clamping parts 111 that need to be moved. The clamping part 111 will generate some friction during clamping, and using POM plastic can also prolong the service life of the clamping part 111. In addition, POM plastic has small size change when the temperature changes, and has good dimensional stability, which means that the clamping part 111 can maintain its shape and size in an environment with large temperature changes, ensuring clamping accuracy.

[0036] Referring to Figure 4 In some embodiments, the clamping assembly 11 further comprises a connecting piece 114; the connecting piece 114 is connected with the plurality of clamping part pairs, and the connecting piece 114 is connected with the first driving piece 12; the first driving piece 12 is used to drive the connecting piece 114 to drive the clamping part 111 to clamp the battery cell 100. Thus, by providing the connecting piece 114, one clamping assembly 11 can be provided with multiple pairs of clamping parts, and the multiple pairs of clamping parts are arranged on the connecting piece 114, so as to correspondingly clamp and position multiple battery cells 100.

[0037] In some embodiments, the clamping part 111 can be fixed on the connecting piece 114 through an M5 screw right angle, so as to ensure the stability of the clamping part 111 and avoid loosening during use.

[0038] In some embodiments, the side of the clamping part 111 facing the battery cell 100 is provided with a protective layer. Thus, since the side of the clamping part 111 facing the battery cell 100 needs to be in contact with the battery cell 100, the protective layer can provide certain protection to the clamping part 111, improving its wear resistance and service life. In some examples, the protective layer can be a chrome plating layer, which has high hardness and can enhance the wear resistance of the surface of the clamping part 111 and provide additional protection.

[0039] In some embodiments, the battery cell 100 comprises a top end and a bottom end opposite to each other; the first positioning mechanism 1 is used to clamp the battery cell 100 near the top end, and the second positioning mechanism 2 is used to clamp the battery cell 100 near the bottom end. When the sealing aluminum nail is installed on the liquid injection hole of the battery cell 100, the operation is also performed on the top end of the battery cell 100. Therefore, in the present embodiment, not only the second positioning mechanism 2 is used to position the area near the bottom end of the battery cell 100, but also the first positioning mechanism 1 is used to position the area near the top end of the battery cell 100, so as to avoid the deviation of the installation caused by the skew of the top end of the battery cell 100 during the installation of the sealing aluminum nail.

[0040] With reference to Figure 6 In some embodiments, the second positioning mechanism 2 comprises a plurality of positioning members 21, and the positioning members 21 are used to abut against the battery cell 100; in a first direction, two positioning members 21 are oppositely arranged and spaced apart; in a second direction, two positioning members 21 are oppositely arranged and spaced apart; the first direction is perpendicular to the second direction. Thus, the second positioning mechanism 2 has four positioning members 21 and is used to abut against the battery cell 100 in different directions. Specifically, when the battery cell 100 is a square battery cell 100, the four positioning members 21 abut against the four sides of the battery cell 100, respectively. In some examples, the positioning member 21 can have a plate structure, and the four plate-shaped positioning members 21 can sufficiently abut against the sides of the battery cell 100, so that the positioning effect is better.

[0041] In some embodiments, the second positioning mechanism 2 comprises a plurality of second driving members, and each positioning member 21 is connected with a second driving member, and the second driving member is used to drive the positioning member 21 to abut against the battery cell 100. Thus, the four positioning members 21 can be respectively connected with one second driving member, wherein the second driving member can be a pneumatic cylinder, and the positioning member 21 is connected to the output end of the pneumatic cylinder, and the pneumatic cylinder drives the positioning member 21 to abut against or away from the battery cell 100.

[0042] In other embodiments, the second positioning mechanism 2 comprises a plurality of second driving members, and oppositely arranged two positioning members 21 are connected with a second driving member, and the second driving member is used to drive the oppositely arranged two positioning members 21 to clamp the battery cell 100. Specifically, in the present embodiment, the second driving member can comprise a motor, a screw rod and two nuts, the motor is connected with one end of the screw rod, the screw rod has symmetrical positive and negative threads, and the oppositely arranged two positioning members 21 are respectively provided with one nut, and the two nuts are respectively screwed with the screw rod at the positive and negative threads. When the motor drives the screw rod to rotate, the nuts drive the oppositely arranged two positioning members 21 to abut against or away from each other.

[0043] In the present application, the positioning device can not only position the battery cell 100 in the horizontal direction, but also double-position the battery cell 100 in the vertical direction through the first positioning mechanism 1 and the second positioning mechanism 2. The positioning of the battery cell 100 by the positioning device is more sufficient, ensuring the accurate alignment of the battery cell 100 during the process of installing the nails, thereby significantly improving the welding quality, ensuring that the battery cell 100 meets the strict quality standards, improving the production efficiency and the stability of the production line.

[0044] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0045] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0046] The embodiments, implementation manners and related technical features of the present application can be combined and replaced with each other without conflict.

[0047] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the present application, without departing from the technical solution content of the present application, still falls within the scope of the technical solution of the present application.

[0048] Although the present application has been specifically described above in combination with the drawings and embodiments, it can be understood that the above description does not limit the present application in any form. Those skilled in the art can deform and change the present application according to the needs without deviating from the essential spirit and scope of the present application, and these deformations and changes all fall within the scope of the present application.

Claims

1. A positioning device, characterized in that The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device.

2. The positioning device of claim 1, wherein, The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device.

3. The positioning device of claim 2, wherein, The application relates to a battery cell positioning device. The application relates to a battery cell positioning device.

4. The positioning device of claim 3, wherein, The application relates to a battery cell positioning device.

5. The positioning device of claim 4, wherein, The application relates to a battery cell positioning device. The application relates to a battery cell positioning device.

6. The positioning device of claim 3, wherein, The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device.

7. The positioning device of claim 3, wherein, The application relates to a battery cell positioning device.

8. The positioning device according to any one of claims 1-7, characterized in that The application relates to a battery cell positioning device. The application relates to a battery cell positioning device.

9. The positioning device according to any one of claims 1-7, characterized in that, The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device.

10. The positioning device of claim 9, wherein, The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. The application relates to a battery cell positioning device. 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