CN215148377U

CN215148377U - Clamping tool

Info

Publication number: CN215148377U
Application number: CN202120858910.9U
Authority: CN
Inventors: 徐�明
Original assignee: Gotion High Tech Co Ltd
Current assignee: Jinzhai Guoxuan New Energy Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-14
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a press from both sides tight frock, this press from both sides tight frock includes clamping unit and shell, is equipped with the elastic component that main part and cover located the main part in the clamping unit, and the both ends of main part are equipped with respectively presses splenium and clamping part, centers on the surface of main part is equipped with first spacing portion, restricts the elastic component in the shell through first spacing portion and shell, makes the clamping part accompanies the lax or the compression of elastic component are and press from both sides tightly or open the state to realize pressing from both sides tight work, and stable, be difficult for rocking or the displacement, guaranteed the tight stability of clamp, simple structure is compact, convenient operation.

Description

Clamping tool

Technical Field

The utility model belongs to the technical field of the battery production, concretely relates to press from both sides tight frock.

Background

With the development of new energy, the novel secondary battery is widely applied as an excellent energy storage power source, such as a lithium ion battery, and also includes sodium ion batteries or potassium ion batteries which are substitutes for more and more lithium ion batteries. Several configurations of these batteries, which are currently mainly present in the market, include cylindrical batteries, prismatic batteries and pouch batteries, which require extensive testing before they can be put on the market.

For example, in the production process of a cylindrical battery, when project testing or production process is performed on a cylindrical battery core, the battery core is usually required to be positioned and fixed and kept suspended and still, at present, the conventional operation mode is that an operator holds the cylindrical battery core for testing or uses an inherent tool to apply force to clamp the cylindrical battery core, and due to uneven force control or inconvenient operation, the cylindrical battery core is easily unstable or the cylindrical battery core is subjected to excessive force application, so that the deformation/inaccurate test result of the cylindrical battery core is generated.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is necessary to provide a clamping tool, which has a simple structure and is convenient to operate, and can stably clamp the battery to avoid shaking or displacement.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a press from both sides tight frock, it includes:

the clamping assembly comprises a main body and an elastic piece, one end of the main body is provided with a pressing part, the other end of the main body is provided with a clamping part, and a first limiting part is arranged around the outer surface of the main body; the elastic piece is sleeved on the outer surface of the main body, and one end of the elastic piece props against one side, away from the pressing part, of the first limiting part;

the shell is sleeved outside the clamping component, a second limiting part and a third limiting part are respectively arranged at two ends of the shell, the second limiting part props against one side, far away from the elastic part, of the first limiting part, the third limiting part props against the end, far away from the first limiting part, of the elastic part, and the length of the elastic part is larger than that of the shell;

the clamping portion is in a clamped or expanded state with the elastic member relaxed or compressed.

Furthermore, the clamping part consists of a plurality of inclined clamping pieces, a plurality of notches are formed in the end part, far away from the pressing part, of the main body, a connecting part is formed between every two adjacent notches, and the end part, far away from the main body, of the connecting part is connected with the inclined clamping pieces;

when the elastic piece is compressed, the inclined clamping pieces are expanded outwards, and when the elastic piece is relaxed, the inclined clamping pieces are contracted and clamped under the constraint of the shell.

Preferably, the notches are equally spaced such that the angled clips are evenly distributed along the periphery of the body.

Further, the inner surface of the elastic piece is matched and attached to the outer surface of the main body, and the outer surface of the elastic piece is matched and attached to the inner surface of the shell;

the inner surfaces of the second limiting part and the third limiting part are matched and attached to the outer surface of the main body.

Furthermore, the first limiting part is a boss extending outwards along the outer surface of the main body, and the second limiting part and the third limiting part are bosses extending inwards along the inner surface of the shell.

Further, the outer shell is formed by connecting a first shell and a second shell.

Preferably, the first housing and the second housing are connected by a screw thread.

Further, the elastic member is selected from springs.

Further, the surface of the pressing part is arc-shaped.

Furthermore, the clamping tool is made of an insulating material.

Compared with the prior art, the utility model discloses following beneficial effect has:

the clamping tool is simple and compact in structure, convenient to operate and low in cost; the battery clamping device can easily realize the clamping operation of the battery, firmly clamp the battery and avoid the shaking or displacement of the battery.

The clamping tool can be used in cooperation with an automatic instrument, can be widely applied to testing or production of auxiliary batteries, and has popularization significance.

Drawings

Fig. 1 is a schematic structural view of a clamping tool according to a preferred embodiment of the present invention;

FIG. 2 is an exploded view of the clamping fixture of FIG. 1;

FIG. 3 is a schematic structural diagram of the main body 11 in FIG. 2;

fig. 4 is a schematic structural diagram of the first housing 21 in fig. 2;

fig. 5 is a schematic view of the working state of the clamping tool in fig. 1.

In the figure: 10 clamping components, 11 main bodies, 12 elastic pieces, 111 pressing parts, 112 clamping parts, 113 first limiting parts, 112-1 inclined clamping pieces, 112-2 notches and 112-3 connecting parts;

20 outer shell, 21 first shell, 22 second shell, 201 second limit part, 202 third limit part;

30 cylindrical cells.

Detailed Description

The clamping tool provided by the present invention will be described in further detail with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "secured to," "disposed on," or "mounted to" another element, it can be directly on the other element or be indirectly on the other element. One element is said to be "connected to" another element, and it can be directly connected to the other element or be indirectly connected to the other element. In addition, attachment is generally referred to as attachment, where attachment may be by any means conventional in the art, such as "threading," "riveting," "welding," or the like.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the specification and are used in an illustrative or positional relationship based on the orientation shown in the drawings and are used for convenience in describing embodiments of the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed or operated in a particular orientation, and thus should not be construed as limiting the invention.

The utility model discloses a press from both sides tight frock, its concrete structure is shown in figure 1, should press from both sides tight frock and include clamping component 10 and shell 20, wherein, the relative both ends of clamping component 10 are equipped with respectively and press splenium 111 and clamping part 112, and press splenium 111 and clamping part 112 to stretch out the both ends of shell 20 respectively, shell 20 forms the cooperation with clamping component 10, under the conventional state, in the partial shrink of clamping part 112 and shell 20, be in the clamping state, when exerting pressure to pressing splenium 111, clamping part 112 all stretches out shell 20, be the unclamping state.

Specifically, referring to fig. 2, the clamping assembly 10 includes a main body 11 and an elastic member 12, and referring to fig. 3, the main body 11 has a first end and a second end opposite to each other, a pressing portion 111 is disposed at the first end of the main body 11, a clamping portion 112 is disposed at the second end of the main body 11, a first limiting portion 113 is disposed around an outer surface of the main body 11, the first limiting portion 113 is used for limiting the elastic member 12 and the housing 20, specific positions thereof are not particularly limited, and can be adjusted according to lengths of the main body 11, the housing 20, and the elastic member 12, in this embodiment, as shown in fig. 2 and fig. 3, the first limiting portion 113 is close to an end where the pressing portion 111 is located. Further, please refer to fig. 2, the elastic element 12 is sleeved on the outer surface of the main body 11, and one end of the elastic element 12 abuts against the first limiting portion 113 and is away from one side of the pressing portion 111, the elastic element 12 of the present invention has no special limitation, and any element may be elastic, and can be compressed and restored by itself, in this embodiment, the elastic element 12 is a common spring.

Referring to fig. 2 and fig. 3, the structure of the pressing portion 111 is not particularly limited, and in the present embodiment, the surface of the pressing portion 111 is designed to be arc-shaped, and more preferably, hemispherical, so as to facilitate the force application. Further, in this embodiment, the clamping portion 112 is composed of a plurality of inclined clamping pieces 112-1, the inclined clamping pieces 112-1 are arranged along the periphery of the main body 11 to form a claw-like clamping structure, which is in an open state in a natural state, that is, the inner diameter of the clamping portion 112 is larger than the inner diameter of the main body 11 in the natural state, and when retracted, the clamping portion is in a clamping state under the constraint of the housing 20. Specifically, as shown in fig. 3, a plurality of notches 112-2 are formed at an end of the main body 11 away from the pressing portion 111, a connecting portion 112-3 is formed between adjacent notches 112-2, and the inclined clips 112-1 are correspondingly connected to the end of the connecting portion 112-3 away from the pressing portion 111, wherein the number of the inclined clips 112-1 is one-to-one corresponding to the number of the connecting portion 112-3, and is not particularly limited, and may be 2, or 3, 4, 7, 8, and the like, and can be adjusted as required. It is understood that the connection manner of the inclined clip 112-1 on the main body 11 is not particularly limited, and may be welding, bonding, etc., preferably, the main body 11 in this embodiment is an integral structure, and since the inclined clip 112-1 is connected to the main body 11 in an inclined manner, that is, the opening degree thereof is gradually increased from the main body 11, the clamping degree of the clamping portion 112 can be adjusted by adjusting the lengths of the elastic member 12 and the housing 20, and the applied pressure, and thus, the clamping device is suitable for batteries with different sizes.

Further, referring to fig. 1, the housing 20 is sleeved outside the clamping assembly 10, the housing 20 has a first end and a second end opposite to each other, the first end is provided with a second limiting portion 201, the second end is provided with a third limiting portion 202, the second limiting portion 201 abuts against one side of the first limiting portion 113 far away from the elastic element 12, the third limiting portion 202 abuts against an end portion of the elastic element 12 far away from the first limiting portion 113, the pressing portion 111 and the clamping portion 112 extend out of two ends of the housing 20 by limiting, and the length of the elastic element 12 is greater than that of the housing 20, so that the elastic element 12 has a certain restoring force in the housing 20, when a certain pressure is applied to the pressing portion 111, the elastic element 12 is compressed under the limitation of the first limiting portion 113, the second limiting portion 201 and the third limiting portion 202, at this time, the clamping portion 112 extends out of the housing 20, and is in an open state, after the battery is in place, the pressure on the pressing part 111 is slowly removed, the elastic part 12 recovers under the action of the self elastic force, the clamping part 112 retracts towards the inside of the shell 20, and the recovering state of the elastic part 12 is limited due to the limit of the first limiting part 113, the second limiting part 201 and the third limiting part 202, so that the depth of the clamping part 112 retracting to the inside of the shell 20 can be controlled, the clamping degree is controlled, the battery is in a clamping state, the stability and the no shaking of the battery are ensured, and the deformation of the battery caused by the overlarge clamping force is avoided. Preferably, in this embodiment, the first position-limiting portion 113 is a boss extending outward along the outer surface of the main body 11, and the second position-limiting portion 201 and the third position-limiting portion 202 are bosses extending inward along the inner surface of the housing 20, and the thickness thereof may be adjusted as needed as long as the purpose of limiting is achieved. In addition, in this embodiment, in order to ensure the compact structure and the stability of the operation of the clamping tool, preferably, the inner surface of the elastic member 12 matches and adheres to the inner surface of the main body 11, the outer surface of the elastic member 12 matches and adheres to the inner surface of the housing 20, and the inner surfaces of the second limiting portion 201 and the third limiting portion 202 match and adhere to the outer surface of the main body 11.

Further, the housing 20 may be an integrated structure, or a split structure, as shown in fig. 2, the housing 20 is formed by connecting a first housing 21 and a second housing 22, with reference to fig. 4, the second limiting portion 201 is disposed at an end of the first housing 21 away from the second housing 22, and the third limiting portion 202 is disposed at an end of the second housing 22 away from the first housing 21. Further, it is preferable that the first housing 21 and the second housing 22 are detachably connected to facilitate later maintenance, for example, when the elastic force of the elastic member 20 is attenuated, the replacement is facilitated, the detachable connection is not particularly limited, and may be a fastening connection, a threaded connection, or the like, and it is preferable that, in this embodiment, the threaded connection is used, the flatness of the surface of the housing 20 is maintained, so that the grabbing of an automatic machine is facilitated, or the like.

In addition, the clamping tool in the embodiment is preferably made of an insulating material, such as an ABS material, so as to prevent electric shock and the like, and improve safety and reliability. It should be noted that, the clamping assembly 10 and the housing 20 of the clamping tool in this embodiment are integrally cylindrical, and are suitable for clamping cylindrical batteries, but when the clamped batteries are square, the clamping assembly 10 and the housing 20 may be designed to be adaptive to a square column structure as required, and in addition, the clamping tool has no particular limitation on the types of batteries, and the required battery shapes can be clamped by using the clamping tool. And besides the battery, the clamping tool is also suitable for clamping the structural element similar to the column, and is not limited to the battery in the invention.

During specific work, the clamping tool can be matched with an automatic machine, the clamping tool shown in fig. 1 is used, at the moment, the clamping part 112 is partially contracted in the shell 20 and is in a clamping state, after the machine is positioned, as shown in fig. 5, a certain pressure is applied to the pressing part 111 through a driving part such as an air cylinder and the like, the stroke of the main body 11 is adjusted through the pressure, the clamping part 112 extends out of the shell 20 completely, and the inclined clamping pieces 112-1 of the clamping part 112 are opened completely and sleeved on the cylindrical battery core 30; then the cylinder is contracted, the pressure of the pressing part 111 is removed, the elastic part 12 drives the main body 11 to recover under the recovery of the self elasticity, the clamping part 112 gradually retracts towards the inside of the shell 20, the inclined clamping piece 112-1 surrounds the cylindrical battery cell 30 from the periphery under the constraint of the shell 20 so as to clamp the cylindrical battery cell 30, and after the acting forces of the elastic part 12, the shell 20 and the first limiting part 113 on the main body 11 reach balance, the movement is stopped, and the cylindrical battery cell 30 is firmly clamped.

The clamping tool is simple and compact in structure, convenient to operate and capable of being widely popularized and applied.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a press from both sides tight frock which characterized in that, it includes:

2. The clamping tool according to claim 1, wherein the clamping portion is composed of a plurality of inclined clamping pieces, a plurality of notches are formed in the end portion, away from the pressing portion, of the main body, connecting portions are formed between adjacent notches, and the end portion, away from the main body, of each connecting portion is connected with the inclined clamping pieces;

3. The clamping fixture of claim 2, wherein said notches are equally spaced such that said angled jaws are evenly distributed along a perimeter of said body.

4. The clamping tool according to claim 1, wherein the inner surface of the elastic member is matched and attached to the outer surface of the main body, and the outer surface of the elastic member is matched and attached to the inner surface of the shell;

5. The clamping tool according to claim 1, wherein the first limiting portion is a boss extending outwards along the outer surface of the main body, and the second limiting portion and the third limiting portion are bosses extending inwards along the inner surface of the shell.

6. The clamping fixture of claim 1, wherein said housing is comprised of a first shell and a second shell interconnected.

7. The clamping tool according to claim 6, wherein the first shell and the second shell are connected in a threaded manner.

8. The clamping fixture of any one of claims 1-7, wherein the resilient member is selected from springs.

9. The clamping fixture according to any one of claims 1 to 7, wherein the surface of the pressing portion is arc-shaped.

10. The clamping tool according to claim 1, wherein the clamping tool is made of an insulating material.