CN215146207U - Welding fixture for power battery sealing nail - Google Patents

Abstract

The utility model provides a sealed nail welding jig of power battery relates to battery welding jig field. The clamp comprises a clamp base, wherein a floating bottom plate assembly, a positioning reference block and a floating clamping assembly are arranged on the clamp base; the fixture base is of a concave structure, the floating bottom plate assembly is arranged in the fixture base, and the floating bottom plate assembly is connected with the fixture base through a first linear guide rail and an adjusting screw rod which are vertically arranged; screw holes are formed in the opposite sides of the clamp base and the floating bottom plate assembly, and the clamp base and the bottom plate assembly are detachably connected through fixing screws; the middle clapboard is positioned between the floating plate and the linear bearing; the bottom of the floating plate is connected with one end of the limiting column, and the other end of the limiting column penetrates through the middle partition plate and is connected with the linear bearing. The utility model discloses a sealed nail welding jig realizes the requirement of remodeling fast effectively, and the remodeling part is few, and installation adjustment is simple, can shorten remodeling debug time, reduces the human cost.

Description

Welding fixture for power battery sealing nail

Technical Field

The utility model relates to a battery welding jig field especially is about a power battery seals nail welding jig.

Background

With the rapid development of the new energy automobile industry, the automation degree and the capacity requirement of power battery production are higher and higher, more and more battery varieties are required to be compatible by a single production line, and the switching of batteries of different types is required to be rapidly carried out.

The welding of the sealing nail is the last welding procedure before the finished product of the power battery, and the sealing welding of the battery liquid injection port is realized. The welding jig is used for positioning the battery and is cycled between processes. Due to the increase of the production cycle time, one welding fixture needs to be loaded with a plurality of batteries, and the structure of the fixture is more complicated.

The existing welding fixture positions the long edges and the short edges of the clamping batteries, the number of clamping and positioning mechanisms is increased exponentially along with the increase of the number of the batteries loaded simultaneously, the structural complexity is increased exponentially, a plurality of types of parts are changed, and the installation and the debugging are difficult. The problems can lead to complex debugging and installation, long model changing operation time, high labor cost and low multi-variety switching efficiency.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a solve the technical problem that current battery welding jig structure is complicated, remodel adjustment difficulty, provide a power battery seal nail welding jig.

The purpose of the utility model is realized through the following technical scheme:

the power battery sealing nail welding fixture comprises a fixture base, wherein a floating bottom plate assembly, a positioning reference block and a floating clamping assembly are arranged on the fixture base; the fixture base is of a concave structure, the floating bottom plate assembly is arranged in the fixture base, the floating bottom plate assembly is connected with the fixture base through a first linear guide rail and an adjusting screw rod which are vertically arranged, and the adjusting screw rod is used for adjusting the height of the floating bottom plate assembly so as to adapt to the height change of batteries of different types;

screw holes are formed in the opposite sides of the clamp base and the floating bottom plate assembly, and the clamp base is detachably connected with the bottom plate assembly through fixing screws;

the floating bottom plate assembly is provided with a first spring assembly, a linear bearing, a floating plate, a limiting column and a middle partition plate, and the middle partition plate is positioned between the floating plate and the linear bearing;

the bottom of the floating plate is connected with one end of the limiting column, the other end of the limiting column penetrates through the middle partition plate and is connected with the linear bearing, the linear bearing is used for guiding the floating plate, the first spring assembly and the limiting column are used for guiding and supporting the floating plate, and the battery floats in the height direction under the action of the first spring assembly, the linear bearing, the floating plate and the limiting column.

Optionally, the positioning reference block is fixed on the clamp base through a positioning pin and a screw.

Optionally, a first V-shaped guide groove is formed in the positioning reference block, a floating clamping assembly is arranged at one end corresponding to an opening of the first V-shaped guide groove, and the floating clamping assembly is connected with the clamp base through two second linear guide rails and a limiting screw which are horizontally installed. It is optional, the clamping component that floats with the one end that the opening of first V type guide way is relative is equipped with the deflector, the deflector is kept away from the open-ended one end of first V type guide way is connected with the mounting panel, it has T type groove to open in the mounting panel, T type inslot be equipped with in proper order with T type groove assorted slider and third spring unit, the slider with the elasticity extending direction's of third spring unit one end is connected, the other one end of third spring unit is fixed in the terminal in T type groove, the slider is in under the elasticity pushing action of third spring unit will the battery chucking is in the first V type guide way, the slider is T type structure, with on the mounting panel T type groove cooperation realizes right the direction and the spacing of slider.

Optionally, a second V-shaped guide groove corresponding to the first V-shaped guide groove is formed in one side of the guide plate opposite to the first V-shaped guide groove, and the battery is clamped in the first V-shaped guide groove and the second V-shaped guide groove.

Optionally, the other end of the floating clamping assembly, which is far away from the first V-shaped guide groove, is provided with a second spring assembly, one end of the second spring assembly is connected with the body of the floating clamping assembly, the other end of the second spring assembly is connected with the clamp base, and the floating clamping assembly clamps the battery under the thrust action of the second spring assembly.

Optionally, the number of the first V-shaped guide grooves is multiple groups, and the battery is embedded in each group of the first V-shaped guide grooves.

Optionally, the floating bottom plate assembly is provided with a plurality of floating plates, and the plurality of floating plates are independent of each other.

Optionally, the guide plate and the mounting plate are detachably connected.

The utility model discloses compare in prior art's beneficial effect and be: the utility model discloses a sealed nail welding jig can once only press from both sides a plurality of batteries of tight location, for example 8, when the battery remodelling, only need change location benchmark piece, deflector to adjust floating bottom plate assembly's adjusting screw can, location benchmark piece, deflector adopt locating pin or draw-in groove location moreover, can realize quick assembly disassembly location, need not to beat repeatedly the table adjusting position. The utility model discloses a sealed nail welding jig realizes the requirement of remodeling fast effectively, and the remodeling part is few, and installation adjustment is simple, can show to shorten remodeling debug time, reduces the human cost.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the embodiment of the present invention after the whole body is disassembled;

fig. 3 is a partial schematic structural diagram of an embodiment of the present invention;

fig. 4 is another schematic structural diagram after the integral separation according to the embodiment of the present invention;

fig. 5 is another partial structural schematic diagram of the embodiment of the present invention;

fig. 6 is a schematic structural view of a second spring assembly according to an embodiment of the present invention.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to specific embodiments and drawings.

Please refer to fig. 1-6, which illustrate a preferred embodiment of the present invention:

specifically, the welding fixture comprises a fixture base 1, wherein a floating bottom plate assembly 2, a positioning reference block 3 and a floating clamping assembly 4 are arranged on the fixture base 1, and the power battery sealing nail welding fixture is used for positioning a battery 5; the fixture comprises a fixture base 1, a floating bottom plate assembly 2 and an adjusting screw 6, wherein the fixture base 1 is of a concave structure, the floating bottom plate assembly 2 is arranged in the fixture base 1, the floating bottom plate assembly 2 is connected with the fixture base 1 through a first linear guide rail 19 and the adjusting screw 6 which are vertically arranged, and the adjusting screw 6 is used for adjusting the height of the floating bottom plate assembly 2 so as to adapt to the height change of batteries 5 of different types;

referring to fig. 2 in detail, screw holes are formed in opposite sides of the clamp base 1 and the floating bottom plate assembly 2, and the clamp base 1 and the bottom plate assembly 2 are detachably connected through fixing screws 20;

referring to fig. 3 in particular, the floating bottom plate assembly 2 is provided with a first spring assembly 7, a linear bearing 8, a floating plate 9, a limiting column 21 and a middle partition plate 23, wherein the middle partition plate 23 is positioned between the floating plate 9 and the linear bearing 8;

the bottom of the floating plate 9 is connected with one end of a limiting column 21, and the other end of the limiting column 21 penetrates through a middle partition plate 23 and is connected with the linear bearing 8;

the linear bearing 8 is used for guiding the floating plate 9, the first spring assembly 7 and the limiting column 21 are used for guiding and supporting the floating plate 9, and the battery 5 floats in the height direction under the action of the first spring assembly 7, the linear bearing 8, the floating plate 9 and the limiting column 21;

specifically, referring to fig. 2, the positioning reference block 3 is fixed on the fixture base 1 by the positioning pin 18 and a screw.

Referring to fig. 1 and 2, a first V-shaped guide groove 24 is formed in the positioning reference block 3, one end, corresponding to an opening of the first V-shaped guide groove 24, is a floating clamping assembly 4, and the floating clamping assembly 4 is connected with the clamp base 1 through two second linear guide rails 10 and a limit screw 11 which are horizontally installed;

referring to fig. 2 and 4, a guide plate 14 is arranged at one end of the floating clamping assembly 4 opposite to the opening of the first V-shaped guide groove 24, a mounting plate 22 is connected to one end of the guide plate 14 far away from the opening of the first V-shaped guide groove 24, a T-shaped groove 26 is formed in the mounting plate 22, a floating block 13 and a third spring assembly 12 matched with the T-shaped groove 26 are sequentially arranged in the T-shaped groove 26, the floating block 13 is connected with one end of the third spring assembly 12 in the elastic extension direction, the other end of the third spring assembly 12 is fixed to the terminal end of the T-shaped groove 26, the floating block 13 clamps the battery 5 in the first V-shaped guide groove 24 under the elastic force pushing action of the third spring assembly 12, the floating block 13 is of a T-shaped structure and is matched with the T-shaped groove 26 on the mounting plate 22, so as to guide and limit the floating block 13;

the side of the guide plate 14 opposite to the first V-shaped guide groove 24 is provided with a corresponding second V-shaped guide groove 25, and the battery 5 is clamped in the first V-shaped guide groove 24 and the second V-shaped guide groove 25.

Referring to fig. 6, a second spring assembly 15 is arranged at the other end of the floating clamping assembly 4 away from the first V-shaped guide groove 24, one end of the second spring assembly 15 is connected with the body of the floating clamping assembly 4, the other end of the second spring assembly 15 is connected with the clamp base 1, and the floating clamping assembly 4 clamps the battery 5 under the thrust action of the second spring assembly 15;

the number of the first V-shaped guide grooves 24 is multiple, and the batteries 5 are embedded into each group of the first V-shaped guide grooves 24;

the floating bottom plate assembly 2 is provided with a plurality of floating plates 9, and the plurality of floating plates 9 are mutually independent; the guide plate 14 is removably connected to the mounting plate 22.

In this embodiment, when the battery is positioned, the spring 15 on the outer side pushes the clamping assembly 4 to move integrally, the battery 5 is pushed to the positioning reference block 3, and 8 batteries 5 can be independently clamped through a plurality of groups of independent floating blocks 13, so that the problem that part of the battery 5 cannot be effectively clamped due to the length deviation of the battery 5 is avoided, the guide plate 14 can be independently detached, and only the part needs to be replaced when the battery is replaced, and other parts are not affected. The clamping and positioning of the battery is improved.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims (9)

1. The welding fixture for the power battery sealing nail is characterized by comprising a fixture base (1), wherein a floating bottom plate assembly (2), a positioning reference block (3) and a floating clamping assembly (4) are arranged on the fixture base (1), and the welding fixture for the power battery sealing nail is used for positioning a battery (5);

the fixture base (1) is of a concave structure, the floating bottom plate assembly (2) is arranged in the fixture base (1), the floating bottom plate assembly (2) is connected with the fixture base (1) through a first linear guide rail (19) and an adjusting screw rod (6) which are vertically arranged, and the adjusting screw rod (6) is used for adjusting the height of the floating bottom plate assembly (2) so as to adapt to the height change of batteries (5) of different types;

screw holes are formed in the opposite sides of the clamp base (1) and the floating bottom plate assembly (2), and the clamp base (1) and the bottom plate assembly (2) are detachably connected through fixing screws (20);

the floating bottom plate assembly (2) is provided with a first spring assembly (7), a linear bearing (8), a floating plate (9), a limiting column (21) and a middle partition plate (23), and the middle partition plate (23) is positioned between the floating plate (9) and the linear bearing (8);

the bottom of the floating plate (9) is connected with one end of the limiting column (21), and the other end of the limiting column (21) penetrates through the middle partition plate (23) to be connected with the linear bearing (8).

2. The power battery seal nail welding fixture according to claim 1, characterized in that the positioning reference block (3) is fixed on the fixture base (1) through a positioning pin (18) and a screw.

3. The welding fixture for the power battery sealing nail as claimed in claim 2, wherein a first V-shaped guide groove (24) is formed in the positioning reference block (3), one end of the first V-shaped guide groove (24) corresponding to the opening is a floating clamping assembly (4), and the floating clamping assembly (4) is connected with the fixture base (1) through two second linear guide rails (10) and a limit screw (11) which are horizontally arranged.

4. The power battery seal nail welding fixture according to claim 3, wherein a guide plate (14) is arranged at one end, opposite to the opening of the first V-shaped guide groove (24), of the floating clamping assembly (4), a mounting plate (22) is connected to one end, far away from the opening of the first V-shaped guide groove (24), of the guide plate (14), a T-shaped groove (26) is formed in the mounting plate (22), a floating block (13) and a third spring assembly (12) matched with the T-shaped groove (26) are sequentially arranged in the T-shaped groove (26), the floating block (13) is connected with one end, in the elastic extending direction, of the third spring assembly (12), and the other end of the third spring assembly (12) is fixed to the terminal of the T-shaped groove (26).

5. The power battery seal nail welding fixture according to claim 4, characterized in that a corresponding second V-shaped guide groove (25) is formed in the side, opposite to the first V-shaped guide groove (24), of the guide plate (14), and the battery (5) is clamped in the first V-shaped guide groove (24) and the second V-shaped guide groove (25).

6. The power battery seal nail welding fixture according to claim 5, characterized in that the other end of the floating clamping assembly (4) away from the first V-shaped guide groove (24) is provided with a second spring assembly (15), one end of the second spring assembly (15) is connected with the body of the floating clamping assembly (4), and the other end of the second spring assembly (15) is connected with the fixture base (1).

7. The power battery seal nail welding fixture according to claim 6, characterized in that the number of the first V-shaped guide grooves (24) is multiple groups, and the batteries (5) are embedded in the first V-shaped guide grooves (24) of each group.

8. The power battery seal nail welding fixture according to claim 7, characterized in that the floating bottom plate assembly (2) is provided with a plurality of floating plates (9), and the plurality of floating plates (9) are independent from each other.

9. The power battery seal nail welding fixture of claim 4, characterized in that the guide plate (14) and the mounting plate (22) are detachably connected.

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