CN212239799U - Group spot welding device - Google Patents

Abstract

The utility model provides a spot welding device, belonging to the technical field of machining; the assembly spot welding device comprises a base, a lower die is arranged on the base, an inner cavity is formed in the lower die, the upper portion of the inner cavity is a conical inner wall, a sliding key is fixedly arranged on the conical inner wall, a sliding block is connected to the sliding key in a sliding mode, the sliding block contracts inwards when sliding downwards, a pressing plate is arranged at the bottom of the sliding block, the pressing plate is arranged on an ejecting plate, and an elastic pressing block is arranged between the ejecting plate and the base. According to the scheme, the downward force is applied to the pressing plate of the assembly spot welding device, so that the sliding blocks can slide downwards along the conical inner wall and shrink inwards, the concentricity of the two workpieces positioned on the inner sides of the sliding blocks is guaranteed, and the phenomenon of welding line dislocation is effectively avoided.

Description

Group spot welding device

Technical Field

The utility model relates to the technical field of machining, especially indicate a group's spot welding device.

Background

When the wheel rim is assembled, spot welding is carried out after the groove ring and the inner rim, and the groove ring and the cylinder are assembled in a correct alignment mode, the groove ring, the inner rim and the cylinder are circular, concentricity is not well controlled when butt joint is carried out, deflection is easy to occur, and butt joint welding line dislocation is caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an organize spot welding device in order to solve wheel rim assembling process, the poor control of concentricity when assembling the butt joint of rim, groove ring and interior rim, groove ring and barrel, produce the incline easily, lead to the problem of butt weld dislocation.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a set spot welding device, includes the base, be provided with the lower mould on the base, the inner chamber has been seted up to the lower mould, the upper portion of inner chamber is the toper inner wall, fixed mounting has the feather key on the toper inner wall, sliding connection has the slider on the feather key, the slider inwards contracts when gliding downwards, the slider bottom is equipped with the clamp plate, the clamp plate sets up on the ejector plate, the ejector plate with be equipped with the elastic pressing block between the base.

The upper end of the lower die is connected with a baffle, and the baffle is located above the sliding blocks and corresponds to the sliding blocks one to one.

The tapered inner wall is provided with a longitudinal key groove, and the sliding key is fixed in the key groove.

Wherein, the lower part of inner chamber is straight wall, the liftout plate with straight wall sliding connection.

The base comprises a base upper end face, a base lower end face and an ejector plate, wherein a first groove is formed in the center of the base upper end face, a second groove corresponding to the first groove is formed in the center of the ejector plate lower end face, and an elastic pressing block is arranged in the first groove and the second groove.

The sliding blocks are uniformly distributed in an annular shape, and the side surface facing the center is a concave arc surface.

And the position of one sliding block is separated between two adjacent sliding blocks.

Wherein, the setting quantity of slider is 6.

Preferably, the elastic pressing block is made of rubber.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the scheme, the pressing plate of the assembly spot welding device exerts downward force, so that the sliding blocks can slide downwards along the conical inner wall and shrink inwards, the concentricity of the two workpieces positioned on the inner sides of the sliding blocks is ensured, and the phenomenon of welding seam dislocation is effectively avoided.

Drawings

FIG. 1 is a schematic structural view of the assembly spot welding device of the present invention;

fig. 2 is a top view of the assembly spot welding device of the present invention.

[ reference numerals ]

1. A base;

2. a lower die;

3. ejecting the plate;

4. pressing a plate;

5. a sliding key;

6. a baffle plate;

7. a slider;

8. elastic pressing blocks;

9. a groove ring;

10. an inner rim.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, the embodiment of the utility model provides a spot welding device of assembling, including base 1, be provided with lower mould 2 on the base 1, the inner chamber has been seted up to lower mould 2, and the upper portion of inner chamber is the toper inner wall, and fixed mounting has sliding key 5 on the toper inner wall, and sliding connection has slider 7 on sliding key 5, and slider 7 sets up on clamp plate 4, and when clamp plate 4 moved down, to the inboard shrink when slider 7 slided down, clamp plate 4 sets up on ejector plate 3, is equipped with elastic pressing block 8 between ejector plate 3 and the base 1.

As shown in fig. 1 and 2, the upper end of the lower die 2 is connected with a baffle 6, the baffle 6 is located above the sliding block 7 and is in one-to-one correspondence with the sliding block 7 so as to limit the sliding block 7, and a gap exists between the ejector plate 3 and the base 1 in a state that the sliding block 7 is in contact with the baffle 6.

As shown in fig. 1, a key groove is formed on the tapered inner wall of the lower die 2, and is a longitudinal through groove, and the sliding key 5 is fixed in the key groove by a screw.

In this embodiment, the lower portion of the inner cavity of the lower mold 2 is a straight wall, and the ejector plate 3 is slidably connected therewith and can slide up and down in the inner cavity.

As shown in fig. 1, a first groove is formed in the center of the upper end surface of the base 1, a second groove corresponding to the first groove is formed in the center of the lower end surface of the ejector plate 3, the elastic pressing block 8 is arranged in the first groove and the second groove, and the ejector plate 3 can move upward relative to the base 1 under the action of the elastic force of the elastic pressing block.

As shown in fig. 1 and 2, the sliders 7 are uniformly distributed in a ring shape, and the side surface facing the center is a concave arc surface, and the concave arc surface is attached to the outer side walls of two workpieces (the groove ring 9 and the inner rim 10) inside the slider 7 in a state that the ejector plate 3 is in contact with the base 1.

As shown in fig. 2, the number of the sliders 7 is 6, and a position of one slider 7 is spaced between two adjacent sliders 7.

In this embodiment, the elastic pressing block 8 is made of rubber.

The utility model provides a group spot welding device working process as follows:

1. when the groove ring 9 and the inner rim 10 need to be assembled, the groove ring 9 is firstly placed on the pressure plate 4 according to the direction shown in figure 1, and then the inner rim 10 is placed above the groove ring 9;

2. the pressing plate 4 and the ejection plate 3 move downwards by applying downward pressure, the slider 7 slides downwards along the sliding key 5 under the action of self gravity and shrinks inwards at the same time until the ejection plate 3 is contacted with the base 1, at the moment, the concave cambered surface of the slider 7 is attached to the outer side walls of the groove ring 9 and the inner rim 10, and the concentricity of the groove ring 9 and the inner rim 10 is ensured;

3. spot welding is carried out on the interface of the groove ring 9 and the inner rim 10 at the intervals between the sliding blocks 7 by adopting a welding gun, and two points are respectively spot-welded at intervals at each interval;

4. after spot welding is finished, the applied pressure is removed, the ejector plate 3 and the pressing plate 4 move upwards under the action of the elastic force of the elastic pressing block 8, the groove ring 9 and the inner rim 10 move upwards synchronously, and the sliding block 7 expands outwards while moving upwards until being abutted against the baffle 6;

5. and taking out the assembled workpiece of the groove ring 9 and the inner rim 10.

In the scheme, the pressing plate of the assembly spot welding device is applied with downward force, so that the sliding blocks can slide downwards along the conical inner wall and shrink inwards at the same time, the concentricity of two workpieces positioned on the inner sides of the sliding blocks is ensured, and the phenomenon of welding seam dislocation is effectively avoided; the group spot welding device can automatically recover the initial state through the elastic pressing block; the group spot welding device limits upward movement of the sliding block through the baffle plate, limits downward movement of the sliding block through the ejector plate and the base, and is reliable in structure.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a set spot welding device, a serial communication port, the on-line screen storage device comprises a base, be provided with the lower mould on the base, the inner chamber has been seted up to the lower mould, the upper portion of inner chamber is the toper inner wall, fixed mounting has the feather key on the toper inner wall, sliding connection has the slider on the feather key, the slider inwards contracts when gliding downwards, the slider bottom is equipped with the clamp plate, the clamp plate sets up on the liftout plate, the liftout plate with be equipped with the elastic pressing piece between the base.

2. The assembly spot welding device according to claim 1, wherein a baffle is connected to an upper end of the lower die, and the baffle is located above the sliding blocks and corresponds to the sliding blocks one to one.

3. The assembly spot welding device according to claim 1, wherein said tapered inner wall defines a longitudinal key slot therein, said feather key being secured within said key slot.

4. The assembly spot welding device according to claim 1, wherein a lower portion of said inner cavity is a straight wall, and said ejector plate is slidably coupled to said straight wall.

5. The assembly spot welding device according to claim 1, wherein a first groove is formed in a center of an upper end surface of the base, a second groove corresponding to the first groove is formed in a center of a lower end surface of the ejector plate, and the elastic pressing block is disposed in the first groove and the second groove.

6. The assembly spot welding device according to claim 1, wherein the sliders are uniformly distributed in a ring shape, and a side surface facing the center is a concave arc surface.

7. The assembly spot welding device according to claim 6, wherein a position of one of the sliders is spaced between two adjacent sliders.

8. The group spot welding device according to claim 7, wherein the number of the sliders is set to 6.

9. The assembly spot welding device according to any one of claims 1 to 8, wherein the elastic pressing block is made of rubber.

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