CN212918252U

CN212918252U - Tool for rapidly welding battery cell

Info

Publication number: CN212918252U
Application number: CN202021729275.6U
Authority: CN
Inventors: 宋宁宁; 李明钧; 周建中; 郑丁; 胡冲; 王燕翔; 赵鑫
Original assignee: Tianneng Shuai Fude Energy Co Ltd
Current assignee: Tianneng Shuai Fude Energy Co Ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-09
Anticipated expiration: 2030-08-18

Abstract

A tool for rapidly welding a battery cell comprises a fixed seat, an installation seat and an elbow clamping piece, wherein the installation seat is movably installed on the fixed seat, and the elbow clamping piece is connected to the installation seat; the fixing seat is provided with two fixing bosses which are opposite to each other, a sliding groove is formed between the fixing bosses, the fixing seat is also provided with a limiting plate, and the bottom of the mounting seat is mounted in the sliding groove and is limited in the sliding groove by the limiting plate; the top of the mounting seat is provided with a mounting groove, the battery cell is placed on the mounting groove, and two sides of the mounting seat are also provided with limiting pieces; the elbow clamp is provided with a movably pressing head, and the pressing head is pressed on the battery core. The utility model has simple structure, easy miniaturization, and is suitable for various welding environments, and the electric core can fix the welding position quickly and accurately during welding, thereby ensuring the welding quality; and if the welding stress is tested after welding, the elbow clamping piece can be quickly taken down, so that the operation is convenient and fast.

Description

Tool for rapidly welding battery cell

Technical Field

The utility model relates to a welding field, concretely relates to a frock that is used for electric core to execute fast welding.

Background

Lithium ion batteries are highly efficient energy storage devices that have the advantages of high voltage, high specific energy, and long cycle life. Lithium ion batteries have been widely used in electronic products (e.g., mobile phones, notebook computers, digital cameras, etc.), electric vehicles, electric tools, and energy storage power stations. The core component of the lithium ion battery is an electric core, the quality of the electric core directly influences the overall efficiency of the battery, a large number of point welding links are involved in the manufacturing process of the electric core, and the welding quality directly influences the efficiency of the electric core. At present, the welding tool in the prior art has the following problems: 1. a great deal of time is consumed to adjust the welding equipment; 2. before welding the battery cell, the battery cell needs to be welded to verify whether the welding process rules and the parameter settings are qualified, so that the battery cell needs to be separated and taken down after welding is completed to test the tensile force data, but the operation of taking down the battery cell by using the existing welding tool is complex.

Disclosure of Invention

According to the problem that the background art provided, the utility model provides a frock for electric core is executed welding fast solves, it is right next the utility model discloses do further to explain.

A tool for rapidly welding a battery cell comprises a fixed seat, an installation seat and an elbow clamping piece, wherein the installation seat is movably installed on the fixed seat, and the elbow clamping piece is connected to the installation seat; the fixing seat is provided with two fixing bosses which are opposite to each other, a sliding groove is formed between the fixing bosses, the fixing seat is also provided with a limiting plate, and the bottom of the mounting seat is mounted in the sliding groove and is limited in the sliding groove by the limiting plate; the top of the mounting seat is provided with a mounting groove, the battery cell is placed on the mounting groove, two sides of the mounting seat are also provided with movable rotating limiting pieces, and the edges of the limiting pieces can partially shield the mounting groove in the rotating process; the elbow clamp is provided with a movably pressing head, and the pressing head is pressed on the battery core.

Optionally, the bottom of the mounting seat is an i-shaped seat formed by connecting a bottom plate, a connecting plate and a top plate, wherein the bottom plate is slidably arranged in a chute of the fixing seat, two sides of the top plate are connected with side plates, and the limiting piece and the mounting groove are arranged on the side plates; the curb plate and the roof of both sides constitute the installation space of ann elbow folder, have seted up the second bolt hole on the curb plate, and the bolt runs through the second bolt hole and fixes the elbow folder.

Optionally, a magnet is further arranged on the mounting seat, and the magnet is connected to the side plate and is close to the mounting groove; the nickel sheets used for spot welding are adsorbed by utilizing the magnetism of the magnet, so that the time for fixing the nickel sheets is saved, and the welding efficiency is improved.

Optionally, the elbow folder is connected with the support seat including setting up the base in the installation space that curb plate, the roof of mount pad constitute on the base, and the support seat pin joint has the elbow to press from both sides, and the tight pressure head is connected to the one end that the elbow pressed from both sides, and elbow presss from both sides middle part pin joint support seat and is provided with the torsional spring in pin joint department.

Optionally, a hollow groove is formed in the end of the elbow clamp, a connecting sleeve is arranged at the end of the elbow clamp, the pressing head penetrates through the hollow groove and the connecting sleeve and is connected to the connecting sleeve, two nuts are connected to the pressing head, the two nuts are respectively tightly attached to the upper surface and the lower surface of the connecting sleeve, and the pressing head is fixed to the end of the elbow clamp; the hollow groove can be used for adjusting the position of the pressing head fixed at the end part of the elbow clip.

Optionally, the fixing base is provided with a first bolt hole for fixing the tool, and the top of the fixing boss of the fixing base is provided with a convex portion extending into the sliding groove.

Optionally, the mounting seat is further provided with a back plate, the back plate is connected to the same side of the bottom plate, the connecting plate, the top plate and the side plate, the bottom surface of the back plate is in contact with the limiting plate surface, and the two side surfaces of the back plate are in contact with the convex part surfaces; when having increased frock overall stability, convenient quick with the elbow folder installation target in place.

Has the advantages that: compared with the prior art, the whole tool has simple structure, is easy to realize miniaturization, is suitable for various welding environments, and can quickly and accurately fix the welding position by the electric core during welding, thereby ensuring the welding quality; and if the welding stress is tested after welding, the elbow clamping piece can be quickly taken down, so that the operation is convenient and fast.

Drawings

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: an enlarged schematic view at a in fig. 1;

in the figure: the fixing seat 10, the fixing boss 11, the convex portion 111, the sliding groove 12, the limiting plate 13, the first bolt hole 14, the mounting seat 20, the bottom plate 21, the connecting plate 22, the top plate 23, the side plate 24, the mounting groove 241, the second bolt hole 242, the limiting piece 25, the magnet 26, the back plate 27, the elbow clamping piece 30, the base 31, the support seat 32, the elbow clamp 33, the hollowed groove 331, the pressing head 34, the connecting sleeve 35 and the nut 36.

Detailed Description

A specific embodiment of the present invention will be described in detail with reference to fig. 1-2.

A tool for rapidly welding a battery cell comprises a fixed seat 10, an installation seat 20 and an elbow clamping piece 30, wherein the installation seat 20 is movably installed on the fixed seat 10, the elbow clamping piece 30 is connected to the installation seat 20 through a bolt, two fixing bosses 11 are oppositely arranged on the fixed seat 10, a sliding groove 12 is formed between the fixing bosses 11, a limiting plate 13 is further arranged on the fixed seat 10, the bottom of the installation seat 20 is installed in the sliding groove 12 and is limited in the sliding groove 12 by the limiting plate 13; the top of the mounting seat 20 is provided with a mounting groove 241, the battery cell is placed on the mounting groove 241, two sides of the mounting seat 20 are also provided with a movable rotating limiting piece 25, and the edge of the limiting piece 25 can partially shield the mounting groove 241 in the rotating process so as to limit the lateral movement of the battery cell; the elbow clamp 30 is provided with a movable pressing head 34, the pressing head 34 is pressed on the battery cell, the battery cell is limited to move vertically, the fixation of the full freedom degree of the battery cell is completed, and the welding precision is guaranteed.

The bottom of the mounting seat 20 is an i-shaped seat formed by connecting a bottom plate 21, a connecting plate 22 and a top plate 23, wherein the bottom plate 21 is slidably arranged in the sliding groove 12 of the fixing seat 10, two sides of the top plate 23 are connected with side plates 24, and the limiting pieces 25 and the mounting grooves 241 are arranged on the side plates 24; the side plate 24 and the top plate 23 on both sides form an installation space for installing the elbow clamping member 30, a second bolt hole 242 is opened on the side plate 24, and a bolt penetrates through the second bolt hole 242 to fix the elbow clamping member 30.

The mounting base 20 is further provided with a magnet 26, the magnet 26 is connected to the side plate 24 and is close to the mounting groove 241, and the nickel sheets used for spot welding are adsorbed by the magnetism of the magnet, so that the fixing time of the nickel sheets is saved, and the welding efficiency is improved.

Elbow folder 30 is connected with on the base 31 and props seat 32 including setting up the base 31 in the installation space that curb plate 24, roof 23 of mount pad 20 constitute, props the seat 32 pin joint and has elbow clamp 33, and tight pressure head 34 is connected to the one end that elbow clamp 33, and elbow clamp 33 middle part pin joint props seat 32 and is provided with the torsional spring in pin joint department, through the effect of torsional spring, under the effect of not receiving the external force, sticiss head 34 and be in down the state all the time to fixed electric core.

The tip that the elbow pressed from both sides 33 is provided with fretwork groove 331, and the tip that the elbow pressed from both sides 33 is equipped with adapter sleeve 35, tight pressure head 34 runs through fretwork groove 331 and adapter sleeve 35 and is connected on adapter sleeve 35, sticiss to be connected with two nuts 36 on the head 34, two nut 36 branches hug closely about adapter sleeve 35 two sides, will tighten pressure head 34 and fix the tip at elbow clamp 33. The hollow-out groove 331 can be used for adjusting the position of the pressing head 34 fixed at the end of the elbow clip 33.

It is worth noting, executing welding frock be particularly suitable for hanging the environment that sets up, when the welding, the welding slag that the welding produced falls under the action of gravity and does not fall on the frock, based on this, be equipped with on the fixing base 10 and be used for the fixed first bolt hole 14 of frock, and the fixed boss 11 top of fixing base 10 is equipped with the convex part 111 that extends to in the spout 12, will not take place the displacement on the vertical direction after the mount pad 20 installation.

The mounting seat 20 is further provided with a back plate 27, the back plate 27 is connected to the same side of the bottom plate 21, the connecting plate 22, the top plate 23 and the side plates 24, the bottom surface of the back plate is in surface contact with the limiting plate 13, two side surfaces of the back plate are in surface contact with the convex parts 111, overall stability of the tool is improved, and meanwhile the elbow clamping piece 30 is conveniently and quickly mounted in place.

The utility model has simple structure, easy miniaturization, and is suitable for various welding environments, and the electric core can fix the welding position quickly and accurately during welding, thereby ensuring the welding quality; and if the welding stress is tested after welding, the elbow clamping piece can be quickly taken down, so that the operation is convenient and fast.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a frock that is used for quick welding of electric core which characterized in that: the elbow clamping device comprises a fixed seat (10), a mounting seat (20) and an elbow clamping piece (30), wherein the mounting seat (20) is movably mounted on the fixed seat (10), and the elbow clamping piece (30) is connected to the mounting seat (20); the fixing seat (10) is provided with two fixing bosses (11) which are opposite to each other, a sliding groove (12) is formed between the fixing bosses (11), the fixing seat (10) is further provided with a limiting plate (13), and the bottom of the mounting seat (20) is mounted in the sliding groove (12) and limited in the sliding groove (12) by the limiting plate (13); the top of the mounting seat (20) is provided with a mounting groove (241), the battery cell is placed on the mounting groove (241), two sides of the mounting seat (20) are also provided with movable rotating limiting pieces (25), and the edges of the limiting pieces (25) can partially shield the mounting groove (241) in the rotating process; the elbow clamping piece (30) is provided with a movable tightening pressure head (34), and the tightening pressure head (34) is pressed on the battery core.

2. The tool for rapidly welding the battery cell according to claim 1, wherein the tool comprises: the bottom of the mounting seat (20) is an I-shaped seat formed by connecting a bottom plate (21), a connecting plate (22) and a top plate (23), wherein the bottom plate (21) is arranged in a sliding groove (12) of the fixing seat (10) in a sliding mode, two sides of the top plate (23) are connected with side plates (24), and a limiting piece (25) and a mounting groove (241) are arranged on the side plates (24); the side plates (24) on the two sides and the top plate (23) form an installation space for installing the elbow clamping piece (30), the side plates (24) are provided with second bolt holes (242), and bolts penetrate through the second bolt holes (242) to fix the elbow clamping piece (30).

3. The tool for rapidly welding the battery cell according to claim 2, wherein the tool comprises: the mounting seat (20) is further provided with a magnet (26), and the magnet (26) is connected to the side plate (24) and is close to the mounting groove (241).

4. The tool for rapidly welding the battery cell according to claim 2, wherein the tool comprises: elbow folder (30) are connected with on base (31) and prop seat (32) including setting up base (31) in curb plate (24), the installation space that roof (23) constitute at mount pad (20), prop seat (32) pin joint have elbow to press from both sides (33), and tight pressure head (34) are connected to the one end that elbow pressed from both sides (33), and elbow presss from both sides (33) middle part pin joint and props seat (32) and is provided with the torsional spring in pin joint department.

5. The tool for rapidly welding the battery cell according to claim 1, wherein the tool comprises: the tip that elbow pressed from both sides (33) is provided with fretwork groove (331), and the tip that elbow pressed from both sides (33) is equipped with adapter sleeve (35), tight pressure head (34) run through fretwork groove (331) and adapter sleeve (35) and are connected on adapter sleeve (35), are connected with two nuts (36) on tight pressure head (34), and two nuts (36) subsection hugs closely two sides about adapter sleeve (35), will tighten pressure head (34) and fix the tip that elbow pressed from both sides (33).

6. The tool for rapidly welding the battery cell according to any one of claims 2 to 5, wherein: be equipped with on fixing base (10) and be used for the fixed first bolt hole (14) of frock, and fixing boss (11) top of fixing base (10) is equipped with convex part (111) that extend to in spout (12).

7. The tool for rapidly welding the battery cell according to claim 6, wherein the tool comprises: the mounting seat (20) is further provided with a back plate (27), the back plate (27) is connected to the same side of the bottom plate (21), the connecting plate (22), the top plate (23) and the side plate (24), the bottom surface of the back plate is in surface contact with the limiting plate (13), and two side surfaces of the back plate are in surface contact with the convex portions (111).