CN221134664U

CN221134664U - Clamp device

Info

Publication number: CN221134664U
Application number: CN202322944535.1U
Authority: CN
Inventors: 万鹏; 卿小敏; 罗兴怀
Original assignee: Shenzhen Weifang Energy Technology Co ltd
Current assignee: Shenzhen Weifang Energy Technology Co ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-06-14
Anticipated expiration: 2033-10-31

Abstract

The application discloses a fixture device, and relates to the technical field of auxiliary equipment for lithium battery production. The fixture device comprises a clamping assembly and a pressing assembly, wherein the clamping assembly is provided with a containing cavity, the containing cavity is used for containing a battery module, the pressing assembly is arranged at one end of the battery module and comprises a first pressing piece and a plurality of second pressing pieces, the first pressing piece is arranged at one side, deviating from the battery module, of the pressing assembly, the second pressing piece is arranged at one side, close to the battery module, of the first pressing piece, the first pressing piece and the second pressing piece are both used for pressing an aluminum row placed on the battery module, and the clamping assembly is used for clamping the pressing assembly with the battery module. The application can realize that a plurality of aluminum bars are welded on the battery module at the same time, and effectively improves the welding efficiency and the production efficiency thereof.

Description

Clamp device

Technical Field

The application relates to the technical field of auxiliary equipment for lithium battery production, in particular to a clamp device.

Background

In the production process of lithium batteries, the tabs on the battery module cells are required to be welded with the aluminum bars, and the aluminum bars are required to be fixed during welding. At present, the welding process of the lithium battery module adopts the welding after the single aluminum row welding spot is pressed after the cover plate fixture is positioned, and the efficiency of the single pressing spot welding is lower.

Disclosure of utility model

Accordingly, the present application is directed to a clamping device, which solves the technical problems in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the application is as follows:

the embodiment of the application provides a fixture device, which comprises:

the clamping assembly is provided with a containing cavity for placing the battery module;

The pressing assembly is arranged at one end of the battery module and comprises a first pressing piece and a plurality of second pressing pieces, the first pressing piece is arranged at one side, deviating from the battery module, of the pressing assembly, the second pressing piece is arranged at one side, close to the battery module, of the first pressing piece, the first pressing piece and the second pressing piece are both used for pressing an aluminum row placed on the battery module, and the clamping assembly is used for clamping the pressing assembly with the battery module.

In one embodiment of the present application, the pressing assembly further includes a connecting member, where the connecting member sequentially penetrates through the first pressing member and the second pressing member, and the connecting member is used to connect the first pressing member and the second pressing member.

In one embodiment of the present application, the first pressing member has a mounting groove provided at a side of the first pressing member adjacent to the second pressing member, and the second pressing member is mounted in the mounting groove;

The first pressing piece is provided with a first through hole, the first through hole is correspondingly arranged with the mounting groove, and the first through hole is communicated with the mounting groove.

In one embodiment of the present application, the second pressing member includes:

The connecting plate is arranged on one side, close to the first pressing piece, of the second pressing piece, and is embedded in the mounting groove;

The pressing block is arranged on one side, away from the first pressing piece, of the connecting plate, and protrudes out of the mounting groove.

In one embodiment of the application, the connector comprises:

The first screw is sequentially arranged through the first pressing piece and the connecting plate in a penetrating mode and is used for connecting the first pressing piece and the second pressing piece;

The second screw penetrates through the first pressing piece and the connecting plate in sequence and is used for connecting the first pressing piece and the second pressing piece.

In one embodiment of the present application, the connector further comprises:

The first elastic piece is sleeved on the first screw, is positioned between the first pressing piece and the connecting plate and is used for providing elastic displacement for the second pressing piece;

The second elastic piece is sleeved on the second screw, is located between the first pressing piece and the connecting plate and is used for providing elastic displacement for the second pressing piece.

In one embodiment of the application, the clamping assembly comprises:

The support seat is provided with a containing cavity;

The clamping piece is arranged at one end of the supporting seat and fixedly connected with the supporting seat, and the clamping piece is used for clamping the pressing assembly.

In one embodiment of the present application, the support base includes:

The accommodating cavity is positioned at one side of the bottom plate, and the battery module is placed on the bottom plate;

The first side plate is arranged on one side of the bottom plate, is positioned on one side of the bottom plate close to the accommodating cavity, and is fixedly connected with the bottom plate;

The second side plate is arranged on one side of the bottom plate away from the first side plate, the second side plate is positioned on one side of the bottom plate close to the accommodating cavity, the second side plate is arranged opposite to the first side plate, the accommodating cavity is positioned between the first side plate and the second side plate, and one side of the second side plate close to the bottom plate is connected with the bottom plate.

In one embodiment of the application, the fixture device further comprises a positioning plate, wherein the positioning plate is arranged at one end of the battery module, which is far away from the bottom plate, the positioning plate is positioned at one side of the second pressing piece, which is far away from the first pressing piece, and the positioning plate is used for positioning the aluminum row on the battery module.

In one embodiment of the application, the positioning plate is provided with a positioning hole, the aluminum row of the battery module is arranged in the positioning hole, the positioning hole is arranged corresponding to the mounting groove, and the pressing block penetrates into the positioning hole and presses the aluminum row.

Compared with the prior art, the application has the beneficial effects that: the application provides a clamp device. The fixture device comprises a clamping assembly and a pressing assembly, wherein the clamping assembly is provided with a containing cavity, the containing cavity is used for containing a battery module, the pressing assembly is arranged at one end of the battery module and comprises a first pressing piece and a plurality of second pressing pieces, the first pressing piece is arranged at one side, deviating from the battery module, of the pressing assembly, the second pressing piece is arranged at one side, close to the battery module, of the first pressing piece, the first pressing piece and the second pressing piece are both used for pressing an aluminum row placed on the battery module, and the clamping assembly is used for clamping the pressing assembly with the battery module. According to the application, the plurality of second pressing pieces are arranged, so that a plurality of aluminum rows are welded on the battery module at the same time, the welding efficiency is effectively improved, and the production efficiency is further effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a clamp device according to the present application;

FIG. 2 is a schematic view showing another perspective structure of the clamp device of the present application;

FIG. 3 is a schematic perspective view of a clamping assembly of the present application;

FIG. 4 is a schematic perspective view of a pressing assembly according to the present application;

FIG. 5 is a schematic view of another view of the press-fit assembly of the present application;

FIG. 6 is a schematic perspective view of a first follower of the present application;

FIG. 7 illustrates another view of the first follower of the present application;

FIG. 8 is a schematic perspective view of a locating plate according to the present application;

FIG. 9 is a schematic perspective view of a second compression element according to the present application;

FIG. 10 illustrates another view of a second follower of the present disclosure;

Fig. 11 shows a schematic perspective view of a connector according to the present application.

Description of main reference numerals:

100-a clamp device; 110-a clamping assembly; 111-a supporting seat; 1111-a bottom plate; 1112-a first side plate; 1113-a second side plate; 112-clamping member; 1121-a first gripper; 1122-a second gripper; 113-a receiving cavity; 120-pressing assembly; 121-a first press; 1211-a first through hole; 1212-a first mounting hole; 1213-a second mounting hole; 1214-mounting slots; 122-a second press; 1221-connecting plates; 1222-briquetting; 1223-a second through hole; 1224-third mounting hole; 1225-fourth mounting holes; 123-connecting piece; 1231-first screw; 1232-a first elastic member; 1233-second screw; 1234-a second elastic; 130-positioning plates; 131-positioning holes; 101-battery module.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

As shown in fig. 1, 2 and 4, an embodiment of the present application provides a jig device 100. The fixture apparatus 100 includes a clamping assembly 110 and a pressing assembly 120.

The clamping assembly 110 has a receiving chamber 113, and the receiving chamber 113 is used for placing the battery module 101.

The pressing assembly 120 is disposed at one end of the battery module 101.

The pressing assembly 120 comprises a first pressing member 121 and a second pressing member 122, the first pressing member 121 is arranged on one side, facing away from the battery module 101, of the pressing assembly 120, the second pressing member 122 is arranged on one side, close to the battery module 101, of the first pressing member 121, the first pressing member 121 and the second pressing member 122 are both used for pressing an aluminum row placed on the battery module 101, and the clamping assembly 110 is used for clamping the pressing assembly 120 and the battery module 101.

Alternatively, the number of the second pressing members 122 may be plural, and the embodiment of the present utility model is not limited to the number of the second pressing members 122, and the specific number of the second pressing members 122 may be designed according to actual production requirements. Alternatively, the second pressing member 122 may be, for example, ten.

In the related art, the welding process of the lithium battery module 101 adopts the cover plate fixture to position, and then the welding is performed after the welding points of the single aluminum row are pressed, so that the welding efficiency of the single pressing is low.

In the embodiment of the present utility model, the fixture device 100 includes a clamping assembly 110 and a pressing assembly 120, where the pressing assembly 120 includes a first pressing member 121 and a plurality of second pressing members 122, and the embodiment of the present utility model realizes that a plurality of aluminum bars are welded on the battery module 101 at the same time by arranging a plurality of second pressing members 122, so that the welding efficiency is effectively improved, and further the production efficiency is effectively improved.

Alternatively, as shown in fig. 3, the clamping assembly 110 includes a support base 111 and a clamping member 112.

The supporting seat 111 is provided with a containing cavity 113, the clamping piece 112 is arranged at one end of the supporting seat 111, the clamping piece 112 is fixedly connected with the supporting seat 111, and the clamping piece 112 is used for clamping the pressing assembly 120.

Optionally, the support base 111 includes a bottom plate 1111, a first side plate 1112, and a second side plate 1113.

The receiving chamber 113 is located at one side of the bottom plate 1111, and the battery module 101 is placed on the bottom plate 1111;

The first side plate 1112 is disposed on one side of the bottom plate 1111, and the first side plate 1112 is disposed on a side of the bottom plate 1111 close to the receiving chamber 113, i.e., the first side plate 1112 is disposed on a side of the bottom plate 1111 close to the battery module 101.

The first side plate 1112 is fixedly connected to the bottom plate 1111, for example, by welding or integrally forming.

In addition, the second side plate 1113 is disposed at a side of the bottom plate 1111 away from the first side plate 1112, and the second side plate 1113 is located at a side of the bottom plate 1111 close to the receiving chamber 113, i.e., the second side plate 1113 is located at a side of the bottom plate 1111 close to the battery module 101.

The second side plate 1113 is disposed opposite to the first side plate 1112, the accommodating cavity 113 is located between the first side plate 1112 and the second side plate 1113, that is, the battery module 101 may be disposed between the first side plate 1112 and the second side plate 1113, and one side of the second side plate 1113 near the bottom plate 1111 is connected to the bottom plate 1111, for example, by welding or integrally forming.

Optionally, the first side plate 1112 is disposed parallel to the second side plate 1113.

Alternatively, as shown in FIG. 3, the clamp 112 includes a first clamp 1121 and a second clamp 1122.

The first clamping device 1121 is disposed on a side of the first side plate 1112 away from the bottom plate 1111, and the first clamping device 1121 is fixedly connected to the first side plate 1112, for example, by a bolt connection.

In addition, the second gripper 1122 is disposed on a side of the second side plate 1113 away from the bottom plate 1111, the second gripper 1122 is disposed opposite to the first gripper 1121, and the first gripper 1121 and the second gripper 1122 jointly grip the pressing assembly 120.

In this embodiment, the first clamping member 1121 and the second clamping member 1122 are in contact with a surface of the first pressing member 121 facing away from the second pressing member 122, so as to press the first pressing member 121 in the direction of the battery module 101, thereby clamping the first pressing member 121 and the battery module 101.

Alternatively, the first clamp 1121 and the second clamp 1122 are each, for example, quick clamp collet fixture clamps.

The number of the first clampers 1121 and the second clampers 1122 is not limited in this embodiment, and the specific number of the first clampers 1121 and the second clampers 1122 may be designed according to actual production conditions.

Alternatively, the number of the first clampers 1121 and the second clampers 1122 is four, for example.

Optionally, as shown in fig. 5, the pressing assembly 120 further includes a connecting member 123, where the connecting member 123 sequentially penetrates through the first pressing member 121 and the second pressing member 122, and the connecting member 123 is used to connect the first pressing member 121 and the second pressing member 122.

Alternatively, as shown in fig. 6 and 7, the first pressing member 121 is, for example, a pressing plate, and the first pressing member 121 has a mounting groove 1214, the mounting groove 1214 is provided at a side of the first pressing member 121 near the second pressing member 122, and the second pressing member 122 is mounted in the mounting groove 1214.

In addition, the first pressing member 121 has a first through hole 1211, a first mounting hole 1212, and a second mounting hole 1213, the first through hole 1211 being disposed corresponding to the mounting groove 1214, the first mounting hole 1212 being disposed adjacent to the first through hole 1211, and the second mounting hole 1213 being disposed adjacent to the first through hole 1211.

Wherein the first through hole 1211, the first mounting hole 1212 and the second mounting hole 1213 are all in communication with the mounting groove 1214, and the first through hole 1211 is disposed in one-to-one correspondence with the mounting groove 1214.

Alternatively, the second mounting hole 1213 may be disposed at a symmetrical position with respect to the first through hole 1211 and the first mounting hole 1212.

Alternatively, the number of the first through holes 1211, the first mounting holes 1212, the second mounting holes 1213, and the mounting grooves 1214 is ten, for example.

It should be noted that, the present embodiment is not limited to the number of the first through holes 1211, the first mounting holes 1212, the second mounting holes 1213, and the mounting grooves 1214, and the number of the first through holes 1211, the first mounting holes 1212, the second mounting holes 1213, and the mounting grooves 1214 may be designed according to actual production conditions.

Alternatively, as shown in fig. 9 and 10, the second pressing member 122 is provided with second through holes 1223, the second through holes 1223 are disposed in one-to-one correspondence with the first through holes 1211, and the axis of the second through holes 1223 coincides with the axis of the first through holes 1211. The second press 122 includes a web 1221 and a press block 1222.

The connection plate 1221 is disposed on a side of the second pressing member 122 adjacent to the first pressing member 121, and the connection plate 1221 is fitted into the mounting groove 1214.

Specifically, the connection plate 1221 is provided with a third mounting hole 1224 and a fourth mounting hole 1225, the third mounting hole 1224 being provided near the second through hole 1223, and the fourth mounting hole 1225 being provided near the second through hole 1223. And the third mounting holes 1224 are arranged in one-to-one correspondence with the first mounting holes 1212, and the fourth mounting holes 1225 are arranged in one-to-one correspondence with the second mounting holes 1213.

Wherein the axis of the first mounting hole 1212 coincides with the axis of the third mounting hole 1224 and the axis of the fourth mounting hole 1225 coincides with the axis of the second mounting hole 1213.

In addition, the pressing piece 1222 is disposed on a side of the connection plate 1221 facing away from the first pressing piece 121, and the pressing piece 1222 protrudes from the mounting groove 1214. The pressing block 1222 is fixedly connected with the connecting plate 1221, for example, by welding or integrally forming.

Optionally, the material of the connection plate 1221 and the press block 1222 is copper, for example.

Alternatively, the number of the connection plates 1221 and the pressing pieces 1222 is ten, for example.

It should be noted that, the present embodiment is not limited to the number of the connection plates 1221 and the first press blocks 1222, and the specific number of the connection plates 1221 and the press blocks 1222 may be designed according to actual production situations.

Alternatively, as shown in fig. 11, the connection member 123 includes a first screw 1231 and a second screw 1233.

The first screws 1231 are sequentially inserted into the first pressing member 121 and the connecting plate 1221, that is, the first screws 1231 are sequentially inserted into the first mounting holes 1212 and the third mounting holes 1224, and the first screws 1231 are used to connect the first pressing member 121 and the connecting plate 1221, so as to connect the first pressing member 121 and the second pressing member 122.

In addition, the second screw 1233 is sequentially inserted through the first pressing member 121 and the connecting plate 1221, that is, the second screw 1233 is sequentially inserted through the second mounting hole 1213 and the fourth mounting hole 1225, and the second screw 1233 is used to connect the first pressing member 121 and the connecting plate 1221, and further connect the first pressing member 121 and the second pressing member 122.

In the present embodiment, the first screw 1231 and the second screw 1233 commonly connect the first pressing member 121 and the second pressing member 122.

Optionally, the first screws 1231 and the second screws 1233 are disposed in one-to-one correspondence with the second pressing member 122, where each of the first screws 1231 and the second screws 1233 is, for example, ten.

It should be noted that, the number of the first screws 1231 and the second screws 1233 is not limited in this embodiment, and the number of the first screws 1231 and the second screws 1233 may be designed according to actual production conditions.

Optionally, the connecting member 123 further includes a first elastic member 1232 and a second elastic member 1234.

The first elastic member 1232 is sleeved on the first screw 1231, and the first elastic member 1232 is located between the first pressing member 121 and the connecting plate 1221, where the first elastic member 1232 is configured to provide elastic displacement for the second pressing member 122.

In this embodiment, when the second pressing member 122 presses the aluminum row on the battery module 101, the first elastic member 1232 can be compressed to provide the second pressing member 122 with elastic displacement in the compression direction of the first elastic member 1232, and at the same time, the first elastic member 1232 can provide a certain pressure to the second pressing member 122, so that the present embodiment can effectively press the aluminum rows on the battery modules 101 with different heights at the same time.

The second elastic member 1234 is sleeved on the second screw 1233, the second elastic member 1234 is located between the first pressing member 121 and the connecting plate 1221, and the second elastic member 1234 is configured to provide elastic displacement for the second pressing member 122.

In this embodiment, when the second pressing member 122 presses the aluminum row on the battery module 101, the second pressing member 122 may be provided with elastic displacement in the compression direction of the second elastic member 1234 by the compression of the second elastic member 1234, and meanwhile, the second elastic member 1234 may give a certain pressure to the second pressing member 122, so that the present embodiment may effectively press the aluminum rows on the battery modules 101 with different heights at the same time.

In this embodiment, the first elastic member 1232 and the second elastic member 1234 act on the second pressing member 122 together, so that the stability of the pressing assembly 120 of this embodiment to the pressing of the aluminum row on the battery module 101 is further improved.

Alternatively, the first elastic member 1232 and the second elastic member 1234 are each, for example, springs.

It should be noted that the number of the first elastic members 1232 corresponds to the number of the first screws 1231, and the number of the second elastic members 1234 corresponds to the number of the second screws 1233.

Optionally, as shown in fig. 8, the fixture device 100 further includes a positioning plate 130, where the positioning plate 130 is disposed at an end of the battery module 101 away from the bottom plate 1111, and the positioning plate 130 is located at a side of the second pressing member 122 away from the first pressing member 121, that is, the positioning plate 130 is located between the pressing assembly 120 and the battery module 101.

Wherein, the positioning plate 130 is used for positioning the aluminum row on the battery module 101.

Optionally, the positioning plate 130 is provided with positioning holes 131, the positioning holes 131 are disposed corresponding to the mounting grooves 1214, and the positioning holes 131 are plural, and the positioning holes 131 are disposed corresponding to the positions to be spot-welded.

In this embodiment, the positioning hole 131 is disposed corresponding to the cell terminal of the battery module 101, that is, the cell terminal is located in the positioning hole 131, and then the pressing block 1222 is aligned to the positioning hole 131 by placing the aluminum drain in the positioning hole 131, so as to penetrate into the positioning hole 131 and compress the aluminum drain.

Further, the first and second clamps 1121 and 1122 are operated to press the aluminum bars with the first and second pressing members 121 and 122. After the aluminum bars are pressed, the aluminum bars exposed through the first through holes 1211 and the second through holes 1223 may be spot-welded with the battery cell posts of the battery module 101.

Alternatively, the number of the positioning holes 131 is, for example, six.

It should be noted that, the number of the positioning holes 131 is not limited in this embodiment, and the number of the positioning holes 131 may be designed according to actual production conditions.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. A clamp device, comprising:

2. The fixture apparatus of claim 1, wherein the press assembly further comprises a connector sequentially penetrating the first press member and the second press member, the connector being configured to connect the first press member and the second press member.

3. The clamp apparatus of claim 2, wherein the first press has a mounting slot, the mounting slot being disposed on a side of the first press proximate the second press, and the second press being mounted in the mounting slot;

4. A clamp device in accordance with claim 3, wherein said second compression element comprises:

5. The clamp apparatus of claim 4, wherein the connector comprises:

6. The clamp apparatus of claim 5, wherein the connector further comprises:

7. The clamp apparatus of claim 4, wherein the clamping assembly comprises:

The support seat is provided with a containing cavity;

8. The clamp apparatus of claim 7, wherein the support base comprises:

9. The fixture apparatus of claim 8, further comprising a positioning plate disposed at an end of the battery module remote from the base plate, the positioning plate being located on a side of the second press member remote from the first press member, the positioning plate being configured to position an aluminum row on the battery module.

10. The fixture device of claim 9, wherein the positioning plate is provided with positioning holes, the aluminum row is placed in the positioning holes, the positioning holes are arranged corresponding to the mounting grooves, and the pressing block penetrates into the positioning holes and presses the aluminum row.