CN220739801U

CN220739801U - Composite structure positioning device and mounting structure thereof

Info

Publication number: CN220739801U
Application number: CN202321539691.3U
Authority: CN
Inventors: 石轲飞
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-04-09
Anticipated expiration: 2033-06-15

Abstract

The utility model relates to the technical field of aluminum shell lithium ion battery production and discloses a composite structure positioning device which comprises a stainless steel base and a PEEK positioning block, wherein the PEEK positioning block is arranged on the stainless steel base, the stainless steel base comprises a transverse part and a vertical part arranged at one end of the transverse part, and the PEEK positioning block is arranged on the transverse part of the stainless steel base and props against the vertical part of the stainless steel base. The utility model also discloses a mounting structure of the composite structure positioning device. According to the composite structure positioning device and the mounting structure thereof, under the laser working condition, the deformation amount of the material is small, the working condition requirement is met, and the scratch on the surface of the aluminum shell is avoided.

Description

Composite structure positioning device and mounting structure thereof

Technical Field

The utility model relates to the technical field of aluminum shell lithium ion battery production, in particular to a composite structure positioning device and an installation structure thereof.

Background

In the aluminum shell lithium ion battery production process, laser welding is an indispensable process. In order to prevent gaps exceeding the process range from being formed between the aluminum shell and the cover plate, the positioning blocks are generally required to be pressed for welding after the pressing.

At present, the positioning block is made of synthetic stone materials, the synthetic stone materials are small in hardness and easy to abrade, the synthetic stone surfaces are easy to delaminate under the working condition of laser, the welding track is offset, and the positioning block made of metal materials is easy to scratch the surfaces of aluminum shells in the use process.

Disclosure of Invention

The utility model aims to overcome the defects of the technology, and provides a composite structure positioning device and a mounting structure thereof, wherein under a laser working condition, the material deformation is small, the working condition requirement is met, and scratches on the surface of an aluminum shell are avoided.

In order to achieve the above purpose, the positioning device with the composite structure comprises a fixed seat, wherein the fixed seat comprises a stainless steel base and a PEEK positioning block, the PEEK positioning block is arranged on the stainless steel base, the stainless steel base comprises a transverse part and a vertical part arranged at one end of the transverse part, and the PEEK positioning block is arranged on the transverse part of the stainless steel base and props against the vertical part of the stainless steel base.

Preferably, the upper surface of PEEK locating piece with the summit parallel and level of stainless steel base vertical part, the lateral surface of PEEK locating piece all with the lateral surface parallel and level of stainless steel base makes the stainless steel base is better to the PEEK locating piece plays the guard action, avoids it to receive the laser to influence as far as possible.

Preferably, a vertical portion of the stainless steel base faces one side of the PEEK positioning block to form an inclined plane, an included angle formed by the vertical portion of the PEEK positioning block and a transverse portion of the stainless steel base is an obtuse angle, one surface of the PEEK positioning block, which is close to the vertical portion of the stainless steel base, is matched with the inclined plane of the vertical portion of the stainless steel base, and the contact area between the PEEK positioning block and laser is reduced as much as possible.

Preferably, the top end of the vertical part of the stainless steel base is of a line structure, so that the contact area between the PEEK positioning block and laser is reduced to the greatest extent.

Preferably, the upper surface of the PEEK locating block is inwards provided with a plurality of installation fixing holes, and the installation fixing holes penetrate through the stainless steel base.

Preferably, the mounting and fixing holes are uniformly distributed along the length direction of the PEEK positioning block.

Preferably, a chamfer is formed at one end of the upper surface of the PEEK positioning block, which is far away from the vertical part of the stainless steel base, to form a guiding opening.

The mounting structure of the composite structure positioning device is characterized in that the two composite structure positioning devices are respectively mounted on the compression plates of the two compression cylinders, the transverse part of the stainless steel base is mounted on the vertical compression plate, the vertical part of the stainless steel base is located above, and the upper surface of the PEEK positioning block faces the aluminum shell to be compressed.

Compared with the prior art, the utility model has the following advantages:

1. through the combined structure of the stainless steel base and the PEEK positioning block, the material deformation amount is small under the laser working condition, the working condition requirement is met, and scratches on the surface of the aluminum shell are avoided;

2. the stainless steel base can meet the high-temperature working condition of laser welding, eliminate the deformation of the PEEK positioning block in the high-temperature process and meet the positioning reference requirement;

3. the PEEK positioning block is small in hardness, and scratches on the surface of the cell aluminum shell can be avoided;

4. the stainless steel base is matched with the PEEK positioning block through an inclined plane, so that the contact area of the stainless steel base and the PEEK positioning block is increased, and the probability of displacement between the stainless steel base and the PEEK positioning block is reduced;

5. through setting up the inclined plane between stainless steel base and PEEK locating piece, when compressing tightly the cylinder and exerting the compaction force, play the cushioning effect to compressing tightly the transmission of force, avoid producing the harm to the aluminum hull as far as possible.

Drawings

FIG. 1 is a schematic view of a composite structure positioning device according to the present utility model;

FIG. 2 is a schematic structural view of a mounting structure of the composite structure positioning device of the present utility model;

FIG. 3 is a side view of FIG. 2;

fig. 4 is a top view of fig. 3.

Reference numerals illustrate:

1-stainless steel base, 2-PEEK locating piece, 3-horizontal portion, 4-vertical portion, 5-installation fixed orifices, 6-guiding mouth, 7-compress tightly cylinder, 8-compress tightly board, 9-aluminum hull, 10-apron.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in fig. 1, a positioning device with a composite structure comprises a stainless steel base 1 and a PEEK positioning block 2, wherein the PEEK positioning block 2 is installed on the stainless steel base 1, the stainless steel base 1 comprises a transverse portion 3 and a vertical portion 4 installed at one end of the transverse portion 3, and the PEEK positioning block 2 is installed on the transverse portion 3 of the stainless steel base 1 and abuts against the vertical portion 4 of the stainless steel base 1.

When the embodiment is used, as shown in fig. 2, 3 and 4, two composite structure positioning devices are respectively installed on the pressing plates 8 of the two pressing cylinders 7, the aluminum shell 10 with the battery core is positioned between the two composite structure positioning devices, wherein the transverse part 3 of the stainless steel base 1 is installed on the vertical pressing plates 8, the vertical part 4 of the stainless steel base 1 is positioned above, the upper surface of the PEEK positioning block 2 faces the aluminum shell 9, and the pressing cylinders 7 work to push the two composite structure positioning devices to clamp the aluminum shell 9 from two ends, so that the welding of the aluminum shell 9 and the cover plate 10 can be performed.

Example 2

Wherein, the top surface of PEEK locating piece 2 is parallel and level with the summit of stainless steel base 1 vertical part 4, and the lateral surface of PEEK locating piece 2 all is parallel and level with the lateral surface of stainless steel base 1, makes stainless steel base 1 play the guard action to PEEK locating piece 2 better, avoids it to receive the laser to influence as far as possible.

When the embodiment is used, as shown in fig. 2, 3 and 4, two composite structure positioning devices are respectively installed on the pressing plates 8 of the two pressing cylinders 7, the aluminum shell 9 with the battery core is positioned between the two composite structure positioning devices, wherein the transverse part 3 of the stainless steel base 1 is installed on the vertical pressing plates 8, the vertical part 4 of the stainless steel base 1 is positioned above, the upper surface of the PEEK positioning block 2 faces the aluminum shell 9, and the pressing cylinders 7 work to push the two composite structure positioning devices to clamp the aluminum shell 9 from two ends, so that the welding of the aluminum shell 9 and the cover plate 10 can be performed.

Example 3

In addition, in this embodiment, the vertical portion 4 of the stainless steel base 1 faces the PEEK positioning block 2, the inclined plane is formed on the side of the vertical portion 4 of the stainless steel base 1, the included angle formed by the vertical portion 4 and the horizontal portion 3 of the stainless steel base 1 is an obtuse angle, one surface of the PEEK positioning block 2, which is close to the vertical portion 4 of the stainless steel base 1, is matched with the inclined plane of the vertical portion 4 of the stainless steel base 1, so that the contact area between the PEEK positioning block 2 and the laser is reduced as much as possible, and in an extreme case, the top end of the vertical portion 4 of the stainless steel base 1 is a line structure, so that the contact area between the PEEK positioning block 2 and the laser is reduced to the greatest extent.

In the above embodiment, a plurality of mounting and fixing holes 5 may be further formed on the upper surface of the PEEK positioning block 2, the mounting and fixing holes 5 penetrate the stainless steel base 1, and the mounting and fixing holes 5 are uniformly distributed along the length direction of the PEEK positioning block 2, so that the composite structure positioning device is conveniently mounted on the pressing plate 8.

Finally, in the above embodiment, a chamfer forming guide opening 6 may be formed at one end of the upper surface of the PEEK positioning block 2 away from the vertical portion 4 of the stainless steel base 1, so as to facilitate the installation of the aluminum shell 9.

According to the composite structure positioning device and the mounting structure thereof, through the combined structure of the stainless steel base 1 and the PEEK positioning block 2, under a laser working condition, the material deformation is small, the working condition requirement is met, and scratches on the surface of an aluminum shell are avoided; in addition, the stainless steel base 1 can meet the high-temperature working condition of laser welding, eliminate the deformation of the PEEK positioning block 2 in the high-temperature process and meet the positioning reference requirement; meanwhile, the PEEK positioning block 2 is small in hardness, and scratches on the surface of the cell aluminum shell can be avoided; finally, the stainless steel base 1 and the PEEK positioning block 2 are matched through an inclined plane, so that the contact area of the stainless steel base 1 and the PEEK positioning block is increased, and the probability of displacement between the stainless steel base and the PEEK positioning block is reduced; and when the compressing air cylinder 7 applies compressing force, the compressing air cylinder plays a role in buffering the transmission of the compressing force, and damage to the aluminum shell 9 is avoided as much as possible.

Here, it should be noted that the description of the above technical solution is exemplary, and the present specification may be embodied in different forms and should not be construed as being limited to the technical solution set forth herein. Rather, these descriptions will be provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the utility model is limited only by the scope of the claims.

The shapes, dimensions, ratios, angles, and numbers disclosed for describing aspects of the present specification and claims are merely examples, and thus, the present specification and claims are not limited to the details shown. In the following description, a detailed description of related known functions or configurations will be omitted when it may be determined that the emphasis of the present specification and claims is unnecessarily obscured.

Where the terms "comprising," "having," and "including" are used in this specification, there may be additional or alternative parts unless the use is made, the terms used may generally be in the singular but may also mean the plural.

It should be noted that although the terms "first," "second," "top," "bottom," "one side," "another side," "one end," "the other end," etc. may be used and used in this specification to describe various components, these components and portions should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with top and bottom elements, under certain circumstances, also being interchangeable or convertible with one another; the components at one end and the other end may be the same or different in performance from each other.

In describing positional relationships, for example, when positional sequences are described as "on," "above," "below," and "next," unless words or terms such as "just" or "directly" are used, it is also possible to include cases where there is no contact or contact between them. If a first element is referred to as being "on" a second element, it does not mean that the first element must be located above the second element in the figures. The upper and lower portions of the component will change in response to changes in the angle and orientation of the view. Thus, in the drawings or in actual construction, if it is referred to that a first element is "on" a second element, it can comprise the case that the first element is "under" the second element and the case that the first element is "over" the second element. In describing the time relationship, unless "just" or "direct" is used, a case where there is no discontinuity between steps may be included in describing "after", "subsequent" and "preceding". The features of the various embodiments of the utility model may be combined or spliced with one another, either in part or in whole, and may be implemented in a variety of different configurations as will be well understood by those skilled in the art. Embodiments of the present utility model may be performed independently of each other or may be performed together in an interdependent relationship.

Finally, it should be noted that the above embodiments are merely representative examples of the present utility model. Obviously, the utility model is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model should be considered to be within the scope of the present utility model.

Claims

1. The utility model provides a composite construction positioner which characterized in that: including stainless steel base (1) and PEEK locating piece (2), PEEK locating piece (2) are installed on stainless steel base (1), stainless steel base (1) include horizontal portion (3) and install perpendicular portion (4) of horizontal portion (3) one end, PEEK locating piece (2) are installed on horizontal portion (3) of stainless steel base (1), and support perpendicular portion (4) of stainless steel base (1).

2. The composite structure positioning device of claim 1, wherein: the upper surface of PEEK locating piece (2) with the summit parallel and level of stainless steel base (1) vertical part (4), the lateral surface of PEEK locating piece (2) all with the lateral surface parallel and level of stainless steel base (1).

3. The composite structure positioning device of claim 1, wherein: the vertical part (4) of the stainless steel base (1) faces one side of the PEEK positioning block (2) to form an inclined plane, an included angle formed by the vertical part (4) of the PEEK positioning block and the transverse part (3) of the stainless steel base (1) is an obtuse angle, and one surface, close to the vertical part (4) of the stainless steel base (1), of the PEEK positioning block (2) is matched with the inclined plane of the vertical part (4) of the stainless steel base (1).

4. A composite structure positioning device as defined in claim 3, wherein: the top end of the vertical part (4) of the stainless steel base (1) is of a line structure.

5. The composite structure positioning device of claim 1, wherein: the PEEK positioning block is characterized in that a plurality of mounting and fixing holes (5) are formed in the upper surface of the PEEK positioning block (2) inwards, and the mounting and fixing holes (5) penetrate through the stainless steel base (1).

6. The composite structure positioning device according to claim 5, wherein: the mounting and fixing holes (5) are uniformly distributed along the length direction of the PEEK positioning block (2).

7. The composite structure positioning device of claim 1, wherein: one end of the upper surface of the PEEK positioning block (2), which is far away from the vertical part (4) of the stainless steel base (1), is provided with a chamfer forming guide opening (6).

8. A mounting structure of a composite structure positioning device according to any one of claims 1 to 7, characterized in that: two composite construction positioner install respectively on the pressure strip (8) of two pressure cylinders (7), horizontal portion (3) of stainless steel base (1) are installed on vertical pressure strip (8), vertical portion (4) of stainless steel base (1) are located the top, the upper surface of PEEK locating piece (2) is towards aluminium hull (9) that wait to compress tightly.