CN220278731U

CN220278731U - Jig convenient for spot welding of battery pack

Info

Publication number: CN220278731U
Application number: CN202321924669.0U
Authority: CN
Inventors: 熊南均
Original assignee: Jinhua Blue Standard Tool Technology Co ltd
Current assignee: Jinhua Blue Standard Tool Technology Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-01-02
Anticipated expiration: 2033-07-20

Abstract

The utility model relates to a jig convenient for spot welding of a battery pack, which comprises a battery pack main body, a jig rear cover used for placing the battery pack main body, wherein one side of the jig rear cover is rotatably connected with a jig front cover, one side of the jig rear cover is opened, the jig front cover is detachably connected with the side wall of the jig rear cover through a buckle assembly, a placing groove is formed in the jig rear cover and is internally matched with the outer side of the battery pack main body, one side of the jig rear cover is rotated and connected with the jig front cover by utilizing the buckle assembly, the side wall of the placing groove is provided with a side wall which is matched with the side wall of the battery pack main body, the bottom of a jig lower cover is matched with the bottom of the battery pack, and the arrangement of a switch and a limit is quite convenient, so that excessive interference between the fixing and the battery pack main body can be avoided, and the safety of production is improved.

Description

Jig convenient for spot welding of battery pack

Technical Field

The utility model relates to the technical field of battery pack production, in particular to a jig convenient for spot welding of a battery pack.

Background

With the development of electric tools, the demand of batteries is also increasing, and the battery-driven devices of the current electric tools can be conveniently used in construction sites and the like in a wireless manner by freely detachably installing a battery pack with a rechargeable battery built therein, so that the working efficiency is improved.

In the production process of the battery pack, the nickel plate on the battery pack is often welded with the battery through an automatic spot welder, and the battery pack is often required to be fixed by a jig in order to increase the welding precision, so that the welding speed and stability are improved, however, the current jig is more complicated to use, and the battery pack is in shaking risk after being fixed.

Disclosure of Invention

The utility model mainly aims at the problems of the jig for producing the battery pack, and discloses a jig for facilitating spot welding of the battery pack, wherein one side of a rear cover of the jig is rotationally connected with a front cover of the jig, a plurality of arc-shaped surfaces which are adapted to the side wall of a main body of the battery pack are arranged on the side wall of a placing groove, and a plurality of limiting gaps which are adapted to the bottom of the battery pack are arranged at the bottom of a lower cover of the jig; the width area of the limiting pressing plate is adapted to the outer side of the battery pack main body, and the elastic piece can firstly contact the side wall of the front cover of the jig to buffer and fix when the front cover of the jig is closed each time.

The utility model aims at realizing the following technical scheme: the utility model provides a tool convenient to spot welding group battery, includes the group battery main part for place the lid behind the tool of group battery main part, one side of lid rotates behind the tool is connected with the tool protecgulum, one side of lid is open behind the tool, the tool protecgulum can dismantle the lateral wall of connecting in lid behind the tool through the buckle subassembly, the inside of lid is equipped with the standing groove behind the tool, the inside adaptation of standing groove is in the outside of group battery main part.

Preferably, the top of lid is equipped with the tool upper cover behind the tool, the bottom of lid is equipped with the tool lower cover behind the tool, the surface of tool upper cover and tool lower cover is equipped with a plurality of welding holes, and the welding point stick should all pass the welding hole at every turn and weld.

Preferably, one side of the battery pack main body, which is close to the front cover of the jig, is provided with a limiting pressing plate, and a plurality of elastic pieces are arranged on the outer side of the limiting pressing plate, so that the battery pack main body is fixed, and potential safety hazards caused by excessive extrusion are prevented between the elastic pieces and the limiting pressing plate.

Preferably, the width area of the limiting pressing plate is adapted to one side of the battery pack body, and the limiting pressing plate is arranged to be uniform in stress surface.

Preferably, a plurality of arc surfaces which are adapted to the side wall of the battery pack main body are arranged on the side wall of the placing groove, a plurality of limiting notches which are adapted to the bottom of the battery pack are arranged at the bottom of the lower cover of the jig, and preferably, a first hinge is arranged on one side of the rear cover of the jig, a second hinge is arranged on one side of the front cover of the jig, and the first hinge and the second hinge are connected in a rotating mode.

Preferably, the buckle assembly comprises a buckle rotating shaft, a first buckle and a second buckle, a buckle notch is formed in one side of the jig rear cover, the buckle rotating shaft is arranged in the buckle notch, a first buckle is connected to the surface of the buckle rotating shaft in a rotating mode, a buckle boss and a buckle inclined plane are arranged on the first buckle, a buckle pressing plate is arranged on the surface of the buckle notch, a second buckle is arranged on one side of the jig front cover, and the second buckle is clamped into the buckle inclined plane on the first buckle.

Preferably, the battery pack body includes a plurality of nickel plates, a battery and a battery holder.

Compared with the prior art, the utility model has the following beneficial effects: 1. one side of the rear cover of the jig rotates and is connected to the front cover of the jig by utilizing the buckle component, a plurality of arc-shaped surfaces which are adapted to the side wall of the main body of the battery pack are arranged on the side wall of the placing groove, a plurality of limit gaps which are adapted to the bottom of the battery pack are arranged at the bottom of the lower cover of the jig, and the switch and the limit are matched with each other for use very conveniently, so that the arrangement can avoid excessive interference between the switch and the main body of the battery pack during fixation, and the safety of production is improved; 2. according to the utility model, the width area of the limiting pressing plate is adapted to the outer side of the battery pack main body, and the elastic piece firstly contacts the side wall of the front cover of the jig for buffering and fixing when the front cover of the jig is closed each time, so that the cooperation between the elastic piece and the limiting pressing plate not only meets the requirement of fixing the battery pack main body, but also prevents potential safety hazards caused by excessive extrusion.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a perspective view of the area of the buckle assembly of the present utility model;

fig. 5 is a schematic view of the assembled state of the present utility model.

The marks in the figure: 1. a battery pack main body; 11. a limit pressing plate; 12. an elastic member; 13. nickel flakes; 14. a battery; 15. a battery holder; 2. a rear cover of the jig; 21. a placement groove; 211. an arc surface; 22. the clamping buckle is provided with a notch; 3. a front cover of the jig; 31. a second buckle; 4. a clasp assembly; 41. a buckle rotating shaft; 42. a first buckle; 421. a clamping boss; 422. a buckle inclined plane; 5. a jig upper cover; 6. a lower cover of the jig; 61. limiting notch; 7. welding holes; 81. a first hinge; 82. and a second hinge.

Detailed Description

The utility model is further described below with reference to embodiments shown in the drawings in which:

as shown in fig. 1 to 5, a jig for facilitating spot welding of a battery pack comprises a battery pack main body 1, a jig rear cover 2 for placing the battery pack main body 1, wherein one side of the jig rear cover 2 is rotatably connected with a jig front cover 3, specifically, one side of the jig rear cover 2 is provided with a first hinge 81, one side of the jig front cover 3 is provided with a second hinge 82, the first hinge 81 and the second hinge 82 are rotatably connected, the arrangement can enable the jig rear cover 2 and the jig front cover 3 to be rapidly opened and closed, the operation is convenient for a user, the left side wall of the jig rear cover 2 is opened, the jig front cover 3 is detachably connected with the side wall of the jig rear cover 2 through a buckle assembly 4, specifically, the buckle assembly 4 comprises a buckle rotating shaft 41, a first buckle 42 and a second buckle 31, one side of the jig rear cover 2 is provided with a clamping notch 22, the inside of the clamping notch 22 is provided with a clamping rotating shaft 41, the surface of the clamping rotating shaft 41 is rotationally connected with a first clamping buckle 42, the first clamping buckle 42 is provided with a clamping boss 421 and a clamping inclined surface 422, the surface of the clamping notch 22 is provided with a clamping pressing plate 43, the clamping pressing plate 43 is used for limiting the whole first clamping buckle 42 and not falling off, one side of the jig front cover 3 is fixedly connected with a second clamping buckle 31, the second clamping buckle 31 can be clamped into the clamping inclined surface 422 on the first clamping buckle 42, after the arrangement, the clamping boss 421 is firstly pressed down, a certain deformation is generated after the clamping boss 421 is made of plastic to be separated from the inside of the clamping groove of the second clamping buckle 31, then the jig front cover 3 is rotated to be opened, the clamping boss 421 is released and then can be popped up again, the inclination angle of the latch ramp 422 can make it unnecessary to press the latch boss 421 each time the jig front cover 3 is closed, which is more labor-saving.

In this embodiment, lid 2's inside is equipped with standing groove 21 behind the tool, lid 2's top fixed mounting has tool upper cover 5 behind the tool, lid 2's bottom fixed mounting has tool lower cover 6 behind the tool, the surface of lid 5 and tool lower cover 6 is equipped with a plurality of welding holes 7, the inside outside that needs to satisfy of standing groove 21 is adaptation in group battery main part 1, be equipped with a plurality of arcwall surfaces 211 of adaptation in group battery main part 1 lateral wall on the lateral wall of standing groove 21, the bottom of lid 6 is equipped with a plurality of spacing breach 61 of adaptation in group battery bottom under the tool, sets up like this and can avoid fixed time and group battery main part 1 to produce the interference, improves the security of production.

In this embodiment, the side of the battery pack main body 1 near the front cover 3 is provided with a limiting pressing plate 11, a plurality of elastic pieces 12 are fixedly installed on the outer side of the limiting pressing plate 11, it is to be noted that the width area of the limiting pressing plate 11 is adapted to one side of the battery pack main body 1, the elastic pieces 12 firstly contact the side wall of the front cover 3 for buffering and fixing when the front cover 3 is closed each time, so that the cooperation between the elastic pieces 12 and the limiting pressing plate 11 not only satisfies the requirement of fixing the battery pack main body 1 but also prevents potential safety hazards caused by excessive extrusion, the battery pack main body 1 comprises a plurality of nickel pieces 13, a battery 14 and a battery bracket 15, after the battery bracket 15, the battery 14 and the nickel pieces 13 are completely assembled, the battery pack main body 1 is placed into a spot welding jig, the front cover 3 is covered, then the spot welding machine is placed into the spot welding jig, the nickel pieces and the battery are welded together, then the whole jig is clamped by a mechanical clamping jaw to turn over 180 degrees, the bottom surface is turned over to the top surface, and then the bottom surface is welded with the nickel pieces and the battery is welded together.

The working principle and the using method of the utility model are as follows:

firstly, the buckle boss 421 is pressed down, because the buckle boss 421 is made of plastic with certain elasticity, certain deformation is generated after the buckle boss 421 is pressed down to enable the buckle boss to be separated from the inside of a clamping groove of the second buckle 31, then the front cover 3 of the jig is rotated to be opened, after the battery bracket 15, the battery 14 and the nickel sheet 13 are completely assembled, the battery pack main body 1 is put into a spot welding jig, the front cover 3 of the jig is covered, then the battery pack main body 1 is put into a spot welding machine, the upper nickel sheet and the battery are welded together by the spot welding machine, then the whole jig is clamped by a mechanical clamping jaw in production equipment to be turned over by 180 degrees, the bottom surface is turned over to the upper surface, then the bottom surface is welded again, in each welding process, the welding rod penetrates through the welding holes 7 on the upper cover 5 of the jig and the lower cover 6 of the jig, the nickel sheet and the battery are welded together, and finally the whole battery pack main body 1 and the nickel sheet 13 are welded together, the nickel sheet 1 is taken out and put into the jig again after the spot welding is completed, the welding of the whole battery pack main body 1 is closed, the inclined surface 422 can be closed, the buckle boss is not required to be turned off by the inclination angle of the buckle boss 422 when the jig is closed, the welding jig is more labor-saving, and the prior art is easy to use, and the boss welding machine is more convenient to use, and the welding machine is easy to use.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a tool convenient to spot welding group battery, includes group battery main part (1) for lid (2) behind the tool of placing group battery main part (1), its characterized in that, one side rotation of lid (2) is connected with tool protecgulum (3) behind the tool, one side of lid (2) is open behind the tool, lid (3) can dismantle through buckle subassembly (4) and connect in the lateral wall of lid (2) behind the tool, the inside of lid (2) is equipped with standing groove (21) behind the tool, the outside of the inside adaptation in group battery main part (1) of standing groove (21).

2. The jig for facilitating spot welding of battery packs according to claim 1, wherein a jig upper cover (5) is arranged at the top of the jig rear cover (2), a jig lower cover (6) is arranged at the bottom of the jig rear cover (2), and a plurality of welding holes (7) are formed in the surfaces of the jig upper cover (5) and the jig lower cover (6).

3. The jig for facilitating spot welding of battery packs according to claim 1, wherein a limiting pressing plate (11) is arranged on one side of the battery pack main body (1) close to the jig front cover (3), and a plurality of elastic pieces (12) are arranged on the outer side of the limiting pressing plate (11).

4. A jig for facilitating spot welding of a battery pack according to claim 3, wherein the width area of the limit pressing plate (11) is adapted to one side of the battery pack body (1).

5. The jig for facilitating spot welding of battery packs according to claim 2, wherein a plurality of arc-shaped surfaces (211) which are adapted to the side walls of the battery pack main body (1) are arranged on the side walls of the placement groove (21), and a plurality of limit gaps (61) which are adapted to the bottom of the battery pack are arranged at the bottom of the lower jig cover (6).

6. The jig for facilitating spot welding of battery packs according to claim 1, wherein a first hinge (81) is arranged on one side of the jig rear cover (2), a second hinge (82) is arranged on one side of the jig front cover (3), and the first hinge (81) and the second hinge (82) are connected in a rotating mode.

7. The jig for facilitating spot welding of battery packs according to claim 5, wherein the buckle assembly (4) comprises a buckle rotating shaft (41), a first buckle (42) and a second buckle (31), a buckle notch (22) is formed in one side of the jig rear cover (2), the buckle rotating shaft (41) is arranged in the buckle notch (22), the first buckle (42) is connected to the surface of the buckle rotating shaft (41) in a rotating mode, a buckle boss (421) and a buckle inclined surface (422) are arranged on the first buckle (42), a buckle pressing plate (43) is arranged on the surface of the buckle notch (22), a second buckle (31) is arranged on one side of the jig front cover (3), and the second buckle (31) is clamped into the buckle inclined surface (422) on the first buckle (42).

8. A jig for facilitating spot welding of a battery pack according to claim 3, wherein the battery pack body (1) comprises a plurality of nickel plates (13), a battery (14) and a battery holder (15).