CN220838713U

CN220838713U - Lithium ion battery assembly fixture

Info

Publication number: CN220838713U
Application number: CN202322679859.7U
Authority: CN
Inventors: 黄连生
Original assignee: Hefei Zhaoxin New Materials Technology Co ltd
Current assignee: Hefei Zhaoxin New Materials Technology Co ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-04-26
Anticipated expiration: 2033-10-08

Abstract

The application relates to a lithium ion battery assembly fixture, which comprises a bottom plate, a fixed side plate and three movable side plates, wherein the fixed side plate and the three movable side plates are arranged on the bottom plate, the fixed side plate and the three movable side plates enclose a rectangular limiting groove for clamping a battery pack, bottom supporting plates are connected to the bottom ends of the outer side surfaces of the fixed side plate and the three movable side plates, the fixed side plate is fixedly connected to the top of the bottom plate, the three movable side plates are arranged on the bottom plate in a sliding manner, limiting grooves horizontally penetrate through the fixed side plate and the three movable side plates, limiting blocks are further connected to the ends of the fixed side plate and the movable side plates, limiting sliding sleeves are arranged in the limiting grooves, and the limiting blocks are sleeved on the limiting sliding rods in a sliding manner.

Description

Lithium ion battery assembly fixture

Technical Field

The application relates to the technical field of lithium ion battery assembly, in particular to a lithium ion battery assembly fixture.

Background

Lithium batteries are a type of batteries using a nonaqueous electrolyte solution with lithium metal or lithium alloy as a positive/negative electrode material; the chemical characteristics of lithium metal are very active, so that the lithium metal is processed, stored and used, and the environment requirement is very high; with the development of science and technology, lithium batteries have become the mainstream.

However, in practical application, a plurality of lithium batteries are often required to be assembled and welded together, and then packaged in a protective shell for use, when the lithium batteries are assembled and welded, the top of the lithium batteries and an electrode plate are required to be welded in sequence, and the phenomenon of position deviation of the lithium batteries often occurs in the process, so that the shape of a welded lithium battery pack is irregular, and even the subsequent packaging operation can be influenced.

Accordingly, a person skilled in the art provides a lithium ion battery assembly fixture to solve the problems set forth in the background art.

Disclosure of utility model

In order to solve the problem that the shape of a welded lithium battery pack is irregular and even the subsequent packaging operation is affected due to the fact that the top of the lithium battery and an electrode plate are required to be welded in sequence and the position of the lithium battery is often deviated in the process, the application provides the lithium ion battery assembly fixture.

The application provides a lithium ion battery assembly fixture which adopts the following technical scheme:

The utility model provides a lithium ion battery assembly jig, includes bottom plate and the fixed curb plate and the three movable curb plate of setting on the bottom plate, fixed curb plate and three movable curb plate enclose into the rectangle restriction groove that is used for centre gripping group battery, all be connected with the bottom stay board on the bottom of fixed curb plate and three movable curb plate lateral surface, fixed curb plate fixed connection is at the top of bottom plate, and three movable curb plate slides and sets up on the bottom plate, equal level runs through on fixed curb plate and the three movable curb plate has the spacing groove, and still is connected with the stopper on the tip of fixed curb plate and movable curb plate, the stopper slides and sets up in the spacing inslot that corresponds, and spacing slide bar is still installed to the spacing inslot, stopper slip cap is established on spacing slide bar.

Further, the fixed side plate and the top of the movable side plate are also provided with positioning grooves, the positioning grooves are equal in length with the limiting grooves, the positioning grooves extend downwards to be communicated with the limiting grooves, positioning rods are further arranged in the positioning grooves in a sliding mode, and the bottom ends of the positioning rods are rotationally connected to the limiting blocks.

Further, the top of the positioning rod is also provided with threads, the positioning rod is sleeved with a bolt fastener in a threaded fit manner, the bolt fastener is positioned above the positioning groove, and the diameter of the bolt fastener is larger than the width of the positioning groove.

Further, the bottom support plate top equidistance that connects on the fixed curb plate leaves and is equipped with three stealthy groove, and runs through in the stealthy groove and be provided with positioning bolt, positioning bolt threaded connection installs on the bottom plate.

Further, the two ends of the bottom plate are also connected with fixing blocks, and fixing bolts for fixing the bottom plate are arranged on the fixing blocks in a penetrating mode.

A retraction spring is also arranged between the limiting block and the inner wall of one side of the limiting groove, and the retraction spring is sleeved on the limiting slide rod.

In summary, the application has the following beneficial technical effects:

1. the fixed side plates are matched with the three movable side plates, so that a rectangular limiting groove for storing the battery pack can be formed, and the battery can be prevented from shifting in the spot welding process of the battery pack, and is attractive and convenient.

2. The limiting block can be matched with the limiting slide rod in the limiting groove, the fixed side plate and the movable side plate are movably connected together, when the limiting block is pushed to slide on the limiting slide rod, the size of the rectangular limiting groove can be adjusted, and the limiting block can be properly adjusted according to the size of the battery pack and is flexible.

Drawings

Fig. 1 is a schematic view of the structure of the assembled battery pack of the present application;

FIG. 2 is a schematic overall construction of the present application;

FIG. 3 is a schematic view of the structure of the present application disassembled;

fig. 4 is a schematic view of the structure of the base plate in the present application.

Reference numerals illustrate: 1. a bottom plate; 2. fixing the side plates; 3. a movable side plate; 4. a battery pack; 5. a bottom support plate; 6. a limit groove; 7. a limiting block; 8. a limit slide bar; 9. a retraction spring; 10. a positioning groove; 11. a positioning rod; 12. a bolt buckle; 13. a hidden groove; 14. positioning bolts; 15. a fixed block; 16. and (5) fixing bolts.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

Referring to fig. 1, 2, 3 and 4, the application discloses a lithium ion battery assembly fixture, which comprises a bottom plate 1, a fixed side plate 2 and three movable side plates 3 which are arranged on the bottom plate 1, wherein the fixed side plate 2 and the three movable side plates 3 enclose a rectangular limiting groove for clamping a battery pack 4, the bottom ends of the outer side surfaces of the fixed side plate 2 and the three movable side plates 3 are respectively connected with a bottom supporting plate 5, the arranged bottom supporting plates 5 can increase the contact area of the fixed side plate 2 and the movable side plates 3 with the bottom plate 1, the fixed side plate 2 is conveniently kept stable, the fixed side plates 2 are fixedly connected to the top of the bottom plate 1, the three movable side plates 3 are slidably arranged on the bottom plate 1, limiting grooves 6 horizontally penetrate through the fixed side plates 2 and the three movable side plates 3, limiting blocks 7 are also connected to the end parts of the fixed side plates 2 and the movable side plates 3, the limiting blocks 7 are slidably arranged in the corresponding limiting grooves 6, limiting grooves 6 are also provided with limiting blocks 8, the two ends of the bottom plate 1 are also connected with fixed blocks 15, the fixed blocks 15 penetrate through the fixed bolts 16 used for fixing the bottom plate 1, and the fixed bolts 16 used for fixing the bottom plate 1 can be kept stable in the fixing process, and the bottom plate 1 can be ensured, and a stable fixing bolt 1 can be ensured, and a stable process is ensured;

Through the cooperation of fixed curb plate 2 and three movable curb plate 3, can enclose into the rectangle restriction groove that is used for placing group battery 4 to two liang of cooperation between fixed curb plate 2 and the three movable curb plate 3, stopper 7 slip cap that sets up is established on spacing slide bar 8, when stopper 7 slides on spacing slide bar 8, alright promote the movable curb plate 3 that corresponds and slide on bottom plate 1, thereby can be according to the size of group battery 4 size adjustment rectangle restriction groove, and is more nimble convenient.

Referring to fig. 1, 2 and 3, the top of the bottom supporting plate 5 connected to the fixed side plate 2 is equidistantly separated from the bottom supporting plate, three hidden grooves 13 are formed in the bottom supporting plate, positioning bolts 14 penetrate through the hidden grooves 13, the positioning bolts 14 are installed on the bottom plate 1 in a threaded connection mode, the fixed side plate 2 can be fixedly connected to the bottom plate 1 in a matched mode, and when the size of the rectangular limiting groove is adjusted, the fixed side plate 2 is kept unchanged all the time and is easy to adjust.

Referring to fig. 1, 2 and 3, the top of the fixed side plate 2 and the movable side plate 3 are provided with a positioning groove 10, the positioning groove 10 is equal to the limiting groove 6 in length, the positioning groove 10 extends downwards to be communicated with the limiting groove 6, a positioning rod 11 is further arranged in the positioning groove 10 in a sliding manner, the bottom end of the positioning rod 11 is rotationally connected to the limiting block 7, the positioning rod 11 penetrates through the positioning groove 10 to be connected with the limiting block 7, the limiting block 7 can be further limited in the limiting groove 6, and the fixed side plate 2 and the movable side plate 3 are kept connected, so that the whole is stable.

Referring to fig. 1, 2 and 3, threads are further arranged on the top end of the positioning rod 11, a bolt fastener 12 is sleeved on the positioning rod 11 in a threaded fit manner, the bolt fastener 12 is located above the positioning groove 10, the diameter of the bolt fastener 12 is larger than the width of the positioning groove 10, and when the bolt fastener 12 is screwed on the positioning rod 11, the limiting block 7 can be locked through the positioning rod 11, so that the size of the rectangular limiting groove enclosed by the limiting block is conveniently kept stable.

Example two

Referring to fig. 3, the difference between the second embodiment and the first embodiment is that a retraction spring 9 is further installed between the limiting block 7 and the inner wall of one side of the limiting groove 6, the retraction spring 9 is sleeved on the limiting slide rod 8, the retraction spring 9 is provided to apply rebound tension to the limiting block 7, and when the bolt buckle 12 is loosened in the process of spot welding, the retraction spring 9 can also pull the movable side plates 3 to retract each other, and the movable side plates are clung to the surface of the battery pack 4 to further firmly clamp the battery pack 4.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

And all that is not described in detail in this specification is well known to those skilled in the art.

The application relates to a lithium ion battery assembly fixture, which comprises the following implementation principles:

When in use, the bottom plate 1 is firstly placed on a platform of the electric welding machine, the bottom plate 1 is fixed on the platform of the electric welding machine through the fixed bolts 16, then the bolt fastener 12 can be unscrewed, after the bolt fastener 12 is unscrewed, the constraint on the positioning rod 11 and the limiting block 7 can be released, at the moment, the limiting block 7 can be pushed to slide on the limiting slide rod 8, because the limiting block 7 is arranged at the end parts of the fixed side plate 2 and the movable side plate 3, and the fixed side plate 2 is fixed on the bottom plate 1 through the positioning bolts 14, when the limiting block 7 slides, the corresponding movable side plate 3 can be pushed to slide, the size of the rectangular limiting groove enclosed by the three movable side plates 3 can be changed through adjusting the positions of the three movable side plates 3, and the size of the battery pack 4 can be adjusted, the fixed side plate 2 is fixed on the bottom plate 1, when adjusting, only need adjust the position of three movable side plate 3 can, it is more convenient, fixed side plate 2 and the lateral surface bottom of three movable side plate 3 all are connected with the bottom stay board 5, can increase the area of contact with bottom plate 1, when conveniently being connected fixed side plate 2, also can keep the stability of movable side plate 3, further, still be connected with between the lateral wall of stopper 7 and spacing groove 6 and retract spring 9, at the in-process of spot welding, when bolt 12 appears not hard up, retract spring 9 also can stimulate movable side plate 3 each other and retract, hug closely at the surface of group battery 4, further carry out firm centre gripping to group battery 4.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium ion battery assembly jig, includes bottom plate (1) and fixed curb plate (2) and three movable curb plate (3) of setting on bottom plate (1), fixed curb plate (2) and three movable curb plate (3) enclose into the rectangle restriction groove that is used for centre gripping group battery (4), a serial communication port, fixed curb plate (2) all are connected with backing plate (5) with the bottom end of three movable curb plate (3) lateral surface, fixed curb plate (2) fixed connection is at the top of bottom plate (1), and three movable curb plate (3) slip sets up on bottom plate (1), all horizontal run through on fixed curb plate (2) and the three movable curb plate (3) have spacing groove (6), and still be connected with stopper (7) on the tip of fixed curb plate (2) and movable curb plate (3), stopper (7) slip sets up in corresponding spacing groove (6), still install spacing slide bar (8) in spacing groove (6), stopper (7) slip cap are established on spacing slide bar (8).

2. The lithium ion battery assembly fixture of claim 1, wherein: the fixed side plate (2) is provided with a locating groove (10) at the top of the movable side plate (3), the locating groove (10) is equal to the locating groove (6), the locating groove (10) extends downwards to be communicated with the locating groove (6), a locating rod (11) is arranged in the locating groove (10) in a sliding mode, and the bottom end of the locating rod (11) is rotationally connected to the limiting block (7).

3. The lithium ion battery assembly fixture of claim 2, wherein: the top of locating lever (11) is still provided with the screw thread, and screw thread cooperation cover is equipped with bolt knot (12) on locating lever (11), and bolt knot (12) are located the top of constant head tank (10), and the diameter of bolt knot (12) is greater than the width of constant head tank (10).

4. The lithium ion battery assembly fixture of claim 1, wherein: the top of the bottom support plate (5) connected to the fixed side plate (2) is equidistantly separated from the bottom support plate to form three invisible grooves (13), positioning bolts (14) penetrate through the invisible grooves (13), and the positioning bolts (14) are installed on the bottom plate (1) in a threaded connection mode.

5. The lithium ion battery assembly fixture of claim 1, wherein: the two ends of the bottom plate (1) are also connected with fixing blocks (15), and fixing bolts (16) used for fixing the bottom plate (1) are arranged on the fixing blocks (15) in a penetrating mode.

6. A lithium ion battery assembly fixture according to any one of claims 1-5, wherein: a retraction spring (9) is further arranged between the limiting block (7) and the inner wall of one side of the limiting groove (6), and the retraction spring (9) is sleeved on the limiting slide rod (8).