CN220127958U - Automatic welding equipment for outer tube of supporting leg - Google Patents

Abstract

The utility model provides automatic welding equipment for outer tubes of supporting legs, which comprises a material carrying table, a material pressing assembly and a rotating assembly; the material carrying table is used for carrying workpieces to be welded; the material pressing assembly is used for fixing a workpiece on the material carrying table; the rotating assembly is connected with the material carrying platform and can drive the material carrying platform to rotate clockwise or anticlockwise so as to switch between an outer welding position and an inner welding position. According to the automatic welding equipment for the outer tube of the support leg, which is disclosed by the utility model, the semi-finished product welded on the outer side of the joint does not need to be manually taken down to change the direction for reinstallation, and the support leg outer tube can be directly welded on the inner side of the joint by automatically rotating the material carrying table through the rotating assembly, so that continuous automatic welding is realized, the automatic welding precision is high, and the efficiency and the welding quality are improved. And the manual intervention is reduced in the welding process, so that the damage of laser to the human body can be reduced.

Description

Automatic welding equipment for outer tube of supporting leg

Technical Field

The utility model relates to automatic welding equipment for outer tubes of supporting legs.

Background

When the existing outer tube of the supporting leg is installed, two sides (inner side and outer side) of the joint of the supporting leg and the outer tube are welded through welding operation, after the outer side of the joint of the supporting leg and the outer tube is welded, the inner side of the joint of the supporting leg and the outer tube is welded after the overturning direction of the semi-finished product is taken down and is fixed again; complicated operation, and the operation of fixing again after taking down easily takes place the translocation, influences the precision of welding once more.

Disclosure of Invention

The utility model aims to provide automatic welding equipment for outer tubes of supporting legs, which comprises a material carrying table, a material pressing component and a rotating component; the material carrying table is used for carrying workpieces to be welded; the material pressing assembly is used for fixing a workpiece on the material carrying table; the rotating assembly is connected with the material carrying platform and can drive the material carrying platform to rotate clockwise or anticlockwise so as to switch between an outer welding position and an inner welding position.

According to the automatic welding equipment for the outer tube of the support leg, disclosed by the utility model, after the outer side of the joint of the workpiece (the support leg and the outer tube) is welded, the outer tube of the support leg can be directly welded by automatically rotating the material carrying platform through the rotating component to switch the orientation of the outer tube of the support leg to the inner side of the joint without manually taking down and reinstalling the turning direction, so that continuous automatic welding is realized, the automatic welding precision is high, and the efficiency and the welding quality are improved. And the manual intervention is reduced in the welding process, so that the damage of laser to the human body can be reduced.

Drawings

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

Fig. 2 is a schematic structural view of the material loading table of the present utility model turned 180 ° to be in an inner welding position.

Fig. 3 is a schematic diagram of a matching structure of a loading table and a pressing assembly according to the present utility model.

Fig. 4 is a schematic structural view of a rotating assembly according to the present utility model.

Fig. 5 is a schematic structural view of the pressing fixture of the present utility model.

Fig. 6 is a schematic view of the structure of the workpiece of the present utility model.

Fig. 7 is an exploded view of the structure of the workpiece of the present utility model.

Detailed Description

The scheme of the utility model is further described with reference to the accompanying drawings:

referring to fig. 1-7, an automatic welding device for outer leg tubes comprises a laser welding head (not shown in the drawings) based on an automatic addressing system, a material carrying table 1, a material pressing assembly and a rotating assembly 3.

The loading table 1 is used for loading workpieces 4 to be welded.

The pressing assembly is used for fixing the workpiece 4 on the carrying table 1.

The rotating assembly 3 is connected with the loading platform 1 and can drive the loading platform 1 to rotate clockwise or anticlockwise so as to switch between an outer welding position and an inner welding position.

According to the automatic welding equipment for the outer tube of the supporting leg, which is disclosed by the technical scheme, after the outer side of the joint of the workpiece 4 (the supporting leg 42 and the outer tube 41) is welded, the manual removal of the turning direction is not needed, and the welding can be directly performed on the inner side of the joint by automatically turning the material carrying table 1 through the turning assembly 3 to switch the outer tube of the supporting leg, so that the automatic continuous welding is realized, the automatic welding precision is high, and the efficiency and the welding quality are improved. And the manual intervention is reduced in the welding process, so that the damage of laser to the human body can be reduced.

In this embodiment, the material loading table 1 is turned 180 ° clockwise or counterclockwise to switch from the outer welding position to the inner welding position.

The rotating assembly 3 comprises a rotating shaft 31, a transmission mechanism and a rotating driving mechanism 34.

The transmission mechanism comprises a gear 32 and a rack 33; the material carrying table 1 is fixed on a rotating shaft 31, the end part of the rotating shaft 31 is fixedly connected with a gear 32, and the gear 32 is meshed with a rack 33; the rotation driving mechanism 34 is used for driving the rack 33 to perform linear motion so as to drive the gear 32 to rotate.

The rotating assembly 3 is mounted on a workbench 101, a guide rail is arranged on the workbench 101, and the rack 33 is slidably mounted on the guide rail 35.

The rotation driving mechanism 34 is an air cylinder.

The rotating assembly 3 of the technical scheme adopts the gear 32 and the rack 33 for transmission, has stable work and high reliability, can ensure constant transmission ratio, ensures the accuracy of angles, and indirectly improves the welding position accuracy.

Limiting seats 5 are respectively arranged on the left side and the right side of the material carrying table 1. One side of the carrying platform 1 is provided with a stop part 13, the stop part 13 is abutted against one of the limiting seats 5 when the carrying platform 1 is at an outer welding position, and the stop part 13 is abutted against the other limiting seat 5 when the carrying platform 1 is at an inner welding position.

The rotation range of the material carrying table 1 is limited by the cooperation of the stop part 13 and the limiting seat 5, so that the stability of welding position switching is further improved.

The pressing assembly comprises a pressing clamp 21 and a telescopic pressing mechanism 22.

The material pressing clamp 21 comprises a mounting seat 211 fixed on one side of the material loading table 1 and a clamping head 212 hinged with the mounting seat 211.

When the outer tube 41 is loaded, the clamp 212 can be pressed to be opened, and then the clamp 212 is put down to clamp and fix the outer tube 41, so that the operation is simple and quick.

The clamping end of the clamping head 212 is provided with a clamping block 213 which can be linearly slidably adjusted. The chuck 212 is provided with a travel hole 2121, and the travel hole extends along the width direction of the loading table 1; a connecting rod 2131 is arranged on the clamping block 213, and the connecting rod 2131 passes through the stroke hole 2121 and is in sliding fit with the stroke hole 2121; the connecting rod 2131 is screwed with two positioning nuts 214, the two positioning nuts 214 are distributed on the upper side and the lower side of the chuck 212, and the positions of the clamping blocks 213 can be fixed by screwing the positioning nuts 214.

The clamping block 213 is arranged through linear sliding adjustment, so that the clamping block can be clamped in the concave position in the middle of the outer tube 41, and the clamping stability is improved.

The clamping blocks 213 are made of elastic materials, can elastically press the workpiece 4, have large damping acting force, and are not easy to deform the workpiece 4. The clamping block 213 is locked by the positioning nut 214, and the positioning nut 214 can be screwed out for disassembly, so that the clamping block 213 can be replaced conveniently when the elasticity of the clamping block 213 fails.

The telescopic pressing mechanism 22 includes a pressing block 221 located above the loading table 1 and capable of moving up and down to contact with or separate from the outer tube 41, and a telescopic driving member 222 connected to the pressing block 221 for driving the pressing block 221 to move up and down.

The telescopic pressing mechanism 22 according to the present embodiment can automatically strengthen and fix the outer tube 41, and prevent the outer tube 41 from being shifted when the loading table 1 rotates.

The telescopic driving member 222 is a cylinder.

A workpiece mounting position is arranged on the material carrying table 1, and a limiting mechanism is arranged on the workpiece mounting position; the limiting mechanism comprises limiting posts 12 arranged on the left side and the right side of the workpiece installation position and limiting blocks 11 arranged on the rear side of the workpiece installation position. The workpiece mounting position is also provided with a positioning needle 14 matched with a round hole 412 on the workpiece 4 (the outer tube 41).

The workpiece 4 to be welded in the technical scheme comprises a supporting leg 42 and an outer tube 41, the automatic welding equipment for the outer tube of the supporting leg is used for welding the supporting leg 42 on the outer tube 41, a convex portion 421 is arranged on the supporting leg 42, a clamping groove 411 is arranged on the outer tube 41, the convex portion 421 is inserted into the clamping groove 411 and is connected with the clamping groove in an assembling mode, and the outer side and the inner side of a joint of the supporting leg and the outer tube 41 are required to be welded respectively by a laser welding head so that the supporting leg 42 is fixed on the outer tube 41.

As shown in fig. 1 and 2, when the leg outer tube automatic welding device is used, the method comprises the following steps:

1) When the outer tube 41 is loaded on the loading platform 1, the rear end of the outer tube 41 is abutted against the limiting block 11, a round hole 412 on the outer tube 41 is sleeved on the positioning needle 14, the tube body of the outer tube 41 is placed between the limiting columns 12 of the outer tube 41 on the left side and the right side, and the front end of the outer tube 41 extends out of the front of the loading platform 1; the pressing assembly is used for pressing and fixing;

2) Assembling the supporting leg 42 on the front end of the outer tube 41, welding the outer side A of the joint of the supporting leg and the outer tube, and supporting the supporting leg 42 through a pushing seat (not shown in the drawing) during welding; after the outer side of the joint of the supporting leg 42 and the outer tube 41 is welded, the pushing seat is retracted away from the material carrying table 1;

3) The rotary assembly 3 drives the material carrying platform 1 to rotate 180 degrees to switch the orientations of the supporting legs 42 and the outer tube 41, and the inner side B of the joint of the supporting legs and the outer tube is welded.

The above-mentioned preferred embodiments should be regarded as illustrative examples of embodiments of the present utility model, and all such technical deductions, substitutions, improvements made on the basis of the same, similar or similar embodiments of the present utility model should be regarded as the protection scope of the present patent.

Claims (10)

1. An automatic welding equipment of landing leg outer tube, its characterized in that:

comprises a material carrying table, a material pressing component and a rotating component;

the material carrying table is used for carrying workpieces to be welded;

the material pressing assembly is used for fixing a workpiece on the material carrying table;

the rotating assembly is connected with the material carrying platform and can drive the material carrying platform to rotate clockwise or anticlockwise so as to switch between an outer welding position and an inner welding position.

2. The leg outer tube automatic welding apparatus according to claim 1, wherein:

the rotating assembly comprises a rotating shaft, a transmission mechanism and a rotating driving mechanism;

the transmission mechanism comprises a gear and a rack;

the material carrying table is fixed on the rotating shaft, the end part of the rotating shaft is fixedly connected with the gear, the gear is meshed with the rack, and the rotation driving mechanism is used for driving the rack to perform linear motion so as to drive the gear to rotate.

3. The leg outer tube automatic welding apparatus according to claim 2, wherein:

the rotating assembly is arranged on a workbench, a guide rail is arranged on the workbench, and the rack is slidably arranged on the guide rail;

the rotation driving mechanism is an air cylinder.

4. The leg outer tube automatic welding apparatus according to claim 2, wherein:

limiting seats are respectively arranged on the left side and the right side of the material carrying table;

one side of the material carrying platform is provided with a stop part, the stop part is propped against one of the limiting seats when the material carrying platform is at an outer side welding position, and the stop part is propped against the other limiting seat when the material carrying platform is at an inner side welding position.

5. The leg outer tube automatic welding apparatus according to claim 1, wherein:

the material pressing assembly comprises a material pressing clamp;

the material pressing clamp comprises a mounting seat and a clamping head, wherein the mounting seat is positioned on one side of the material carrying table, and the clamping head is hinged with the mounting seat.

6. The leg outer tube automatic welding apparatus according to claim 5, wherein:

the clamping end of the clamping head is provided with a clamping block capable of being linearly slidably adjusted;

the clamping head is provided with a travel hole which extends along the width direction of the material carrying table; the connecting rod is arranged on the clamping block and penetrates through the travel hole to be matched with the travel hole in a sliding manner;

the connecting rod is connected with two positioning nuts in a threaded manner, and the two positioning nuts are distributed on the upper side and the lower side of the clamping head.

7. The leg outer tube automatic welding apparatus according to claim 6, wherein:

the clamping blocks are made of elastic materials.

8. The leg outer tube automatic welding apparatus according to claim 5, wherein:

the material pressing assembly further comprises a telescopic material pressing mechanism;

the telescopic pressing mechanism comprises a pressing block which is positioned above the material carrying table and can move up and down in a telescopic manner to be contacted with or far away from the outer tube, and a telescopic driving piece which is connected with the pressing block and used for driving the pressing block to move up and down.

9. The leg outer tube automatic welding apparatus according to claim 8, wherein:

the telescopic driving piece is an air cylinder.

10. The leg outer tube automatic welding apparatus according to any one of claims 1 to 9, wherein:

the workpiece mounting position is arranged on the material carrying table, and a limiting mechanism is arranged on the workpiece mounting position;

the limiting mechanism comprises limiting columns arranged on the left side and the right side of the workpiece installation position and limiting blocks arranged on the rear side of the workpiece installation position.