CN220312336U

CN220312336U - Rotary welding fixing device for battery box hanging lugs

Info

Publication number: CN220312336U
Application number: CN202321919464.3U
Authority: CN
Inventors: 倪建锋; 张铭鑫; 黄晓天
Original assignee: Nantong Guoxuan New Energy Technology Co Ltd
Current assignee: Nantong Guoxuan New Energy Technology Co Ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-01-09
Anticipated expiration: 2033-07-20

Abstract

The utility model discloses a rotary welding fixing device for battery box hangers, which comprises a bottom plate; a plurality of lower templates, middle rotary cylinders and two-end rotary cylinders are fixedly arranged above the bottom plate; the middle rotary cylinder is connected upwards and rotationally drives a pressing rod, and a workpiece to be processed of the battery box hanging lug is placed in a space formed by the lower die plate and the pressing rod; the upper parts of the rotary cylinders at two sides are fixedly connected and rotationally driven with a pressing plate, the lower end of the pressing plate is fixedly connected with an upper template, and a gap generated between the upper template and the lower template is used for attaching and placing battery box hangers. The fixing device integrally fixes the hanging lugs of the workpiece to be processed, so that thermal deformation can not occur during welding; the welding fixing device is detached after the workpieces are slightly cooled, so that the perpendicularity of the hangers after welding is ideal, and the safety of the battery box body is ensured.

Description

Rotary welding fixing device for battery box hanging lugs

Technical Field

The utility model relates to a fixing device, in particular to a battery box hanging lug rotary welding fixing device.

Background

The hangers of the battery box are designed according to the structure, the battery box hangers are connected with the box body fittings through welding, and the battery box hangers are assembled and then formed through spot welding when being welded in the prior art, and then are reinforced. The existing welding technology has several disadvantages:

1. because welding stress deformation can cause the hangers face to incline for the whole hangers face after being heated and consolidated can warp, the hangers face of deformation can influence the installation effectiveness of battery box, can't guarantee the security of battery box.

2. In order to ensure the safety of the battery box body, the welding deformation is generally compensated by adopting a post-welding manual correction mode, the mode is labor-and time-consuming, and welding beads at two ends of the hanging lugs are easy to crack.

Disclosure of Invention

In order to solve the defects of the technology, the utility model provides a rotary welding fixing device for a battery box hanging lug.

In order to solve the technical problems, the utility model adopts the following technical scheme: a rotary welding fixing device for battery box hangers comprises a bottom plate; the upper surface of the bottom plate is fixedly provided with a plurality of lower templates, a plurality of middle rotary cylinders and a plurality of two-end rotary cylinders;

the middle rotary cylinder is connected upwards and rotationally drives a pressing rod, and a workpiece to be processed of the battery box hanging lug is placed in a space formed by the lower die plate and the pressing rod; the upper parts of the rotary cylinders on two sides are fixedly connected and rotationally driven with a pressing plate, the lower end of the pressing plate is fixedly connected with an upper template, and a gap generated between the upper template and the lower template is used for attaching and placing battery box hangers.

Further, the lower template at the center of the bottom plate is combined with the compression bar at the corresponding position to form an intermediate rotating device; the lower template positioned at the edge of the bottom plate is combined with the upper template at the corresponding position to form the two-side rotary pressing device.

Further, a fixed pneumatic switch is arranged upwards on the bottom plate, and the pneumatic switch is connected with and controls the rotary cylinders at the two sides and the middle rotary cylinder.

Further, the rotary pressing devices on the two sides are arranged in one-to-one correspondence with the hanging lugs.

Further, the lower end of the upper template and the lower end of the compression bar are parallel to the lower end of the bottom plate.

Further, the two-side rotary pressing devices are positioned at the edge of the bottom plate, and the middle rotary pressing device is positioned at the center of the bottom plate.

Further, the lower surface of the bottom plate is provided with a bottom frame.

The utility model discloses a battery box hanging lug rotary welding fixing device, which is characterized in that a workpiece to be processed and a hanging lug of a battery box are integrally fixed, and welding is performed by utilizing a technology that a rotary cylinder drives a pressing plate to realize rotation and then pressing, and the technical scheme of the utility model has the following beneficial effects: the thermal deformation can not occur during welding; the welding fixing device is detached after the workpieces are slightly cooled, so that the flatness of the hangers after welding is ideal, and the safety of the battery box body is ensured.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a side view of the present utility model.

Fig. 3 is a top view of the present utility model.

Fig. 4 is a schematic view of the chassis structure of the present utility model.

In the figure: 1. a bottom plate; 2. an upper template; 3. a lower template; 4. a plane; 5. a pressing plate; 6. a rotary cylinder on both sides; 7. a middle rotary cylinder; 8. a compression bar; 9. a pneumatic switch; 10. a chassis; 11. a workpiece to be processed; 12. and (5) hanging the ear.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

The battery box hanging lug rotary welding fixing device shown in fig. 1 comprises a bottom plate 1; the upper surface of the bottom plate 1 is fixedly provided with a plurality of lower templates 3, a plurality of middle rotary cylinders 7 and a plurality of two-side rotary cylinders 6. The middle rotary cylinder 7 is connected with a pressing rod 8 upwards and pushes the pressing rod 8 to rotate, the pressing rod 8 can rotate for 90 degrees, a space is formed between the pressing rod 8 and the lower die plate 3, a workpiece 11 to be processed of a battery box hanging lug is attached to the space between the lower die plate 3 and the pressing rod 8, the workpiece 11 to be processed is pressed when the workpiece 11 to be processed is rotated for 90 degrees clockwise, the workpiece 11 to be processed is loosened when the workpiece rotates for 90 degrees anticlockwise, and the lower die plate 3 and the pressing rod 8 at corresponding positions are combined to form a middle rotary pressing device; the output ends of piston rods of the rotary cylinders 6 on two sides are fixedly connected with a pressing plate 5 above the rotary cylinders, the lower end of the pressing plate 5 is fixedly connected with an upper template 2, the rotary cylinders 6 on two sides push the upper template 2 to rotate, gaps generated between the upper template 2 and the lower template 3 are used for being attached to place battery box hangers 12, the upper template 2 and the lower template 3 on corresponding positions are combined to form a rotary pressing device on two sides, when the piston rods of the rotary cylinders 6 on two sides rotate, the upper template 2 is driven to move downwards to press the battery box hangers 12, and at the moment, the vertical pressing function of the welding fixing device can be achieved under the condition that the pressing rod 8 rotates clockwise for 90 degrees.

Specifically, a fixed pneumatic switch 9 is arranged upwards on the bottom plate 1 as shown in fig. 2, and the pneumatic switch 9 is connected and controls the two side rotary cylinders 6 and the middle rotary cylinder 7 through the prior art, so that centralized control and operation are facilitated; as shown in fig. 3, the two side rotating and compressing devices are located at the edge of the bottom plate 1, the middle rotating and compressing device is located at the center of the bottom plate 1, the two side rotating and compressing devices are placed in one-to-one correspondence with the hanging lugs 12 of the battery box, the lower end of the upper template 2 and the lower end of the compression bar 8 are parallel to the lower end of the bottom plate 1, so that welding between the workpiece 11 to be processed and the hanging lugs 12 is smoother and firmer; the bottom surface of bottom plate 1 is provided with chassis 10, and the setting of chassis 10 is convenient to carry with fork truck.

When the battery box hanging lug rotary welding fixing device is used, the accessory welded by the battery box and the hanging lug 12 is firstly placed on the lower die plate 3, and then the hanging lug 12 is placed in the matched clamping groove. Operating the pneumatic switch 9, starting the middle rotary cylinder 7 to enable the pressing rod 8 of the middle rotary cylinder to rotate clockwise by 90 degrees to press the plane of the workpiece 11 to be processed; the rotary cylinders 6 on the two sides are started to drive the upper template 2 to press down, and the plane 4 of the hanging lugs 12 is vertically pressed; realize fixing device to battery box hangers 12 compress tightly the function, then weld battery box hangers and box accessory together, wait for 10-20 seconds after the welding is accomplished and cool off, the work piece after the welding is cooled off at first operates middle revolving cylinder 7 and loosens battery box hangers 12, takes out welded battery box hangers 12 from fixing device, and thermal deformation can not appear in such hangers 12, and battery box hangers 12 have better planarization, and then guaranteed the security of battery box.

The above embodiments are not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be limited to the following claims.

Claims

1. The utility model provides a battery box hangers rotation welding fixing device, it includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly provided with a plurality of lower templates (3), a middle rotary cylinder (7) and two side rotary cylinders (6);

the middle rotary cylinder (7) is connected upwards and rotationally drives a pressing rod (8), and a workpiece (11) to be processed of a battery box hanging lug is placed in a space formed by the lower die plate (3) and the pressing rod (8);

the upper parts of the rotary cylinders (6) on the two sides are fixedly connected and rotationally driven with a pressing plate (5), the lower end of the pressing plate (5) is fixedly connected with an upper template (2), and a gap generated between the upper template (2) and the lower template (3) is used for attaching and placing battery box hangers (12).

2. The battery box hanger rotation welding fixture apparatus of claim 1, wherein: the lower template (3) at the central position of the bottom plate (1) is combined with the compression bar (8) at the corresponding position to form a middle rotary compression device; the lower template (3) positioned at the edge of the bottom plate (1) is combined with the upper template (2) at the corresponding position to form a two-side rotary pressing device.

3. The battery box hanger rotation welding fixture apparatus of claim 2, wherein: the base plate (1) is upwards provided with a fixed pneumatic switch (9), and the pneumatic switch (9) is connected with and controls the rotary cylinders (6) on two sides and the rotary cylinder (7) in the middle.

4. The battery box hanger rotation welding fixture apparatus of claim 3, wherein: the two-side rotary pressing devices are arranged in one-to-one correspondence with the hanging lugs (12) of the battery box.

5. The battery box hanger rotation welding fixture apparatus of claim 4, wherein: the lower end of the upper template (2) and the lower end of the compression bar (8) are parallel to the lower end of the bottom plate (1).

6. The battery box hanger rotation welding fixture apparatus of claim 5, wherein: the two-side rotary pressing devices are located at the edge of the bottom plate (1), and the middle rotary pressing device is located at the center of the bottom plate (1).

7. The battery box hanger rotation welding fixture apparatus of claim 6, wherein: the lower surface of the bottom plate (1) is provided with a bottom frame (10).