CN210755849U - Universal multi-station laser welding machine for circular and ring parts - Google Patents

Abstract

The utility model relates to a general multi-station laser welding machine for circular and ring parts, comprising a rotary positioner composed of a worktable and a driving motor; Each station is connected with a clamp, and the bottom of the clamp is provided with a friction wheel rotating mechanism extending on the bottom surface of the worktable; the rotating positioner is arranged with a 90-degree angle in the clockwise direction around the rotation positioner. Lifting rotary suction cup manipulators, cylinder pressing devices, laser welding machines and transplanting lifting suction cup manipulators. This universal multi-station laser welding machine for circular and ring parts can perform automatic feeding, automatic pressing, automatic detection, and automatic unloading at the same time. It has strong adaptability to parts. In the case of conforming to product specifications and dimensions, various round and ring parts can be processed by simply replacing the fixture, with high degree of automation and high production efficiency.

Description

Universal multi-station laser welding machine for circular and ring parts

technical field

The utility model relates to the field of laser welding, in particular to a general multi-station laser welding machine for circular and ring parts.

Background technique

Laser welding is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source. Laser welding is one of the important aspects of the application of laser material processing technology. Laser welding can be realized by continuous or pulsed laser beam. The principle of laser welding can be divided into heat conduction welding and laser deep penetration welding. During thermal conduction welding, the penetration depth is shallow and the welding speed is slow; during laser deep penetration welding, the metal surface is concave into "holes" under the action of heat, forming deep penetration welding, which has the characteristics of fast welding speed and large aspect ratio.

At present, the demand for welding of discs on the market is very large, especially in the popular automobile industry. With the promotion of Industry 4.0, the demand for automation equipment in all walks of life is greatly increasing; in the production sector, due to labor costs It has been rising, resulting in the production cost of the product also rising.

However, the automatic integration of laser welding of the same kind of circle and ring workpieces on the market is generally low, and rapid and stable detection cannot be performed. They all rely on manual loading and unloading and detection. The production efficiency is relatively low, and the working conditions are relatively dangerous.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to provide a universal multi-position laser welding machine for circular and ring parts with high automation integration.

In order to solve the above-mentioned technical problems, the utility model is realized by the following technical solutions: a general multi-position laser welding machine for circular and ring parts, including a rotary positioner composed of a workbench and a drive motor, the workbench It is a disc-shaped structure, which is fixedly arranged at the power output end of the top of the drive motor; there are four stations in a circular array with a 90-degree angle on the worktable, and each station is connected with a shaft for clamping the circle, A clamp for ring-type workpieces, the bottom of the clamp is provided with a friction wheel rotating mechanism extending on the bottom surface of the worktable; the rotation positioner is provided with a transplanting and lifting rotary suction cup manipulator and a cylinder at a 90-degree angle in the clockwise direction. A pressing device, a laser welding machine and a transplanting and lifting suction cup manipulator, the transplanting and lifting rotary suction cup manipulator, the cylinder pressing device, the laser welding machine and the transplanting and lifting suction cup manipulator respectively correspond to one station, wherein the transplanting and lifting rotary suction cup is located in The part between the manipulator and the cylinder pressing device is provided with a feeding area for placing the upper and lower pieces of the round and ring workpieces.

Preferably, the cylinder pressing device is composed of a bracket, a cylinder and a pressure plate, the bottom surface of the pressure plate is facing the work station corresponding to the cylinder pressing device, and the top of the pressure plate is connected to the cylinder fixed on the bracket, and the cylinder drives The pressure plate can move vertically up and down, so as to realize the pressing and separation of the pressure plate and the circular and ring workpieces on the corresponding station.

Preferably, the laser welding machine is composed of a laser welding head and a base for connecting the laser welding head, and the laser welding head can move up and down on the base through a screw rod and a drag chain.

Preferably, the base of the laser welding machine is provided with a bracket on the side corresponding to the rotary positioner, the bracket is provided with a guide rail, the guide rail is provided with a slider that slides with it, and a friction plate is fixed on the top of the slider One end of the friction plate is fixedly connected with the cylinder set on the bracket, the cylinder drives the friction plate to move back and forth on the guide rail, and realizes the contact and separation between the top surface of the friction plate and the bottom of the friction wheel rotating mechanism, and the friction plate is in contact with the friction wheel rotating mechanism. Afterwards, the friction wheel rotating mechanism is driven to rotate by friction.

Preferably, the middle part of the transplanting and lifting suction cup manipulator corresponding to the side of the rotary positioner is fixedly provided with a chute chute with a discharge port obliquely downward, and a material chute is provided below the discharge port of the chute chute .

Preferably, a visual forming contrast device is provided on the side of the cylinder pressing device that is directly opposite to the work station.

Preferably, the outer cover of the rotary positioner is provided with a dust-removing closed room, and the cylinder pressing device, the laser welding machine, the transplanting and lifting suction cup manipulator and their corresponding stations are all located in the dust-removing and closed room. The lifting and rotating suction cup manipulator, its corresponding station and the loading area are located outside the dust-removing enclosure.

Compared with the prior art, the utility model has the advantages that this universal multi-position laser welding machine for circular and ring parts can simultaneously perform automatic feeding, automatic pressing, automatic detection, and automatic unloading, so as to give full play to the advantages of the utility model. It has greatly improved the production efficiency brought by the simultaneous work of multiple stations, and the product has strong adaptability to the parts. In the case of conforming to the product specifications and dimensions, various round and ring parts can be processed by simply replacing the fixture. The degree of automation High, high production efficiency.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings.

1-2 is a schematic diagram of the external structure of the universal multi-station laser welding machine for circular and ring parts of the present invention;

3 is a schematic top view of the general multi-station laser welding machine for circular and ring parts of the present invention;

FIG. 4 is an enlarged view of the structure of A in FIG. 2 .

In the picture: 1. Workbench; 2. Driving motor; 3. Work station; 4. Transplanting and lifting rotary suction cup manipulator; 5. Feeding area; 6. Cylinder pressing device; 7. Pre-welding detection device; 8. Laser Welding machine; 9. Transplanting lifting suction cup manipulator; 10. Chute chute; 11. Feed trough; 12. Dust removal enclosure; 13. Bracket; 14. Friction plate; 15. Friction wheel rotating mechanism; 16. Guide rail; 17 , Slider; 18, Cylinder; 19, Fixture.

Detailed ways

The present utility model is described in detail below in conjunction with the accompanying drawings and specific embodiments:

1 to 3, a general multi-station laser welding machine for circular and ring parts includes a rotary positioner composed of a worktable 1 and a drive motor 2. The worktable 1 has a disc-shaped structure, and its The power output end is fixedly arranged on the top of the drive motor 2; the worktable 1 has four stations 3 in a circular array with an included angle of 90 degrees, and each station 3 is connected to a shaft for clamping round and ring workpieces. The fixture 19, the bottom of the fixture 19 is provided with a friction wheel rotating mechanism 15 extending on the bottom surface of the worktable 1, and the four workstations 3 share a drive motor 2, which is compact, reliable, and reduces product costs; The positioner is provided with a transplanting and lifting rotary suction cup manipulator 4, a cylinder pressing device 6, a laser welding machine 8 and a transplanting and lifting suction cup manipulator 9 in sequence along the clockwise direction at an included angle of 90 degrees. The transplanting and lifting rotary suction cup manipulator 4. The cylinder pressing device 6, the laser welding machine 8 and the transplanting and lifting suction cup manipulator 9 respectively correspond to one station 3, wherein the position between the transplanting and lifting rotary suction cup manipulator 4 and the cylinder pressing device 6 is provided with a place for placing a circle. , The loading area 5 of the upper and lower parts of the ring type workpiece, the transplanting and lifting rotary suction cup manipulator 4 and the transplanting and lifting suction cup manipulator 9 can avoid the instability of manual loading and unloading, the efficiency is greatly improved, and the safety is improved. Labor cost.

In order to realize the pre-welding pressing of round and ring workpieces, the cylinder pressing device 6 is composed of a bracket, a cylinder and a pressure plate. The top is connected with the cylinder fixed on the bracket, and the cylinder drives the pressure plate to achieve vertical movement up and down, so as to realize the pressing and separation of the pressure plate and the circular and ring workpieces on the corresponding station 3.

In order to facilitate the welding of circular and ring workpieces, the laser welding machine 8 consists of a laser welding head and a base for connecting the laser welding head. The laser welding head can be mounted up and down on the base through a screw rod and a drag chain. move.

As shown in FIG. 4 , in order to drive the fixture 19 to rotate, so as to realize the rotation of circular and ring workpieces on the fixture 19 and facilitate the welding of the laser welding machine 8, the base of the laser welding machine 8 corresponds to the side of the rotary positioner. A bracket 13 is provided, a guide rail 16 is arranged on the bracket 13, and a sliding block 17 is arranged on the guide rail 16 to slidably cooperate with it. The upper air cylinder 18 is fixedly connected, and the air cylinder 18 drives the friction plate 14 to move back and forth on the guide rail 16, and realizes the contact and separation between the top surface of the friction plate 14 and the bottom of the friction wheel rotating mechanism 15, and the friction plate 14 and the friction wheel rotating mechanism 15. The friction wheel rotating mechanism 15 is driven to rotate by the friction method.

In order to facilitate the unloading of the round and ring workpieces after welding, the middle part of the transplanting and lifting suction cup manipulator 9 corresponding to the side of the rotary positioner is fixedly provided with a chute 10 whose discharge port is inclined downward. The chute 11 is provided below the discharge port of the chute 10 .

In order to ensure the success rate of welding round and ring workpieces and improve the yield, a visual forming contrast device 7 is provided on the side of the cylinder pressing device 6 that is directly opposite to the station 3 .

In order to prevent contamination caused by the dust generated during welding of circular and ring parts, the outer cover of the rotary positioner is provided with a dust-removing enclosure 12, the cylinder pressing device 6, the laser welding machine 8 and the transplanting and lifting suction cup manipulator 9 and The respective workstations 3 are located in the dust-removing enclosure 12 , and the transplanting and lifting rotary suction cup manipulator 4 , the corresponding workstations 3 and the feeding area 5 are all located outside the dust-removing enclosure 12 .

The working principle is as follows: the round and ring workpieces are placed in the feeding area 5 in advance, and then the rotary suction cup manipulator 9 is transplanted and lifted from the feeding area 5 by its own suction cup to grab the circular and ring workpieces and place them on the rotary positioner On the worktable 1, the fixture 19 corresponding to the station 3 of the rotary suction cup manipulator 9 should be transplanted and lifted, and then the worktable 1 on the rotary positioner rotates 90° clockwise to reach the cylinder pressing device 6, and the cylinder pressing device 6 passes through. The cylinder drives the pressure plate to compress the upper and lower pieces of the round and ring workpieces. Then, the compressed round and ring workpieces are inspected in detail before welding by the pre-welding inspection device 7 to ensure the reliability before welding. The worktable on the rotary positioner continues to rotate 90° clockwise to reach the laser welding machine 8. The cylinder 18 drives the friction plate 14 to move forward on the guide rail 16, and the friction plate 14 is driven by friction after contacting the friction wheel rotating mechanism 15. The friction wheel rotating mechanism 15 rotates, and the laser welding machine 8 enters the designated workpiece area and rotates while welding; after welding, the worktable 1 on the rotary positioner rotates 90° again to reach the transplanting and lifting suction cup manipulator 9, and at the same time moves The lifting suction cup manipulator 9 picks up the workpiece from the fixture of the corresponding station 3 and puts it into the chute 10. The round and ring workpieces fall into the chute 11 along the chute 10. This is a complete process. , the above process is controlled by a computer system, and the four stations can work at the same time.

This universal multi-station laser welding machine for circular and ring parts can perform automatic feeding, automatic pressing, automatic detection and automatic unloading at the same time. It has strong adaptability to parts. In the case of conforming to product specifications and dimensions, various round and ring parts can be processed by simply replacing the fixture, with high degree of automation and high production efficiency.

It should be emphasized that: the above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Modifications still fall within the scope of the technical solution of the present invention.

Claims (7)

1. A universal multi-station laser welding machine for circular and ring parts, characterized in that it comprises a rotary positioner consisting of a worktable (1) and a drive motor (2), and the worktable (1) is in the shape of a circle. The disc-shaped structure is fixedly arranged at the power output end at the top of the drive motor (2); the worktable (1) has four stations (3) in a circular array with an included angle of 90 degrees, and each station (3) ) The upper shaft is connected with a clamp (19) for clamping round and ring workpieces, and the bottom of the clamp (19) is provided with a friction wheel rotating mechanism (15) extending on the bottom surface of the worktable (1); the rotational displacement Around the machine, a transplanting and lifting rotary suction cup manipulator (4), a cylinder pressing device (6), a laser welding machine (8) and a transplanting and lifting suction cup manipulator (9) are sequentially arranged along the clockwise direction at an angle of 90 degrees. The transplanting and lifting rotary suction cup manipulator (4), the cylinder pressing device (6), the laser welding machine (8) and the transplanting and lifting suction cup manipulator (9) correspond to one station (3) respectively, in which the transplanting and lifting rotary suction cup manipulator is located The part between (4) and the cylinder pressing device (6) is provided with a feeding area (5) for placing the upper and lower pieces of the circular and ring workpieces. 2. The universal multi-station laser welding machine for circular and ring parts according to claim 1, characterized in that: the cylinder pressing device (6) is composed of a bracket, a cylinder and a pressure plate, and the bottom surface of the pressure plate is directly For the station (3) corresponding to the cylinder pressing device (6), the top thereof is connected with the cylinder fixedly arranged on the bracket, and the cylinder drives the pressure plate to realize vertical movement up and down, so as to realize the pressure plate and the corresponding station (3) Compression and separation of upper circle and ring workpieces. 3. The universal multi-station laser welding machine for circular and ring parts according to claim 1, wherein the laser welding machine (8) is composed of a laser welding head and a base for connecting the laser welding head, so The laser welding head can move up and down on the base through a screw rod and a drag chain. 4. The universal multi-station laser welding machine for circular and ring parts according to claim 3, characterized in that: a bracket (13) is provided on the base of the laser welding machine (8) on one side corresponding to the rotary positioner ), the bracket (13) is provided with a guide rail (16), the guide rail (16) is provided with a sliding block (17) slidingly matched with the sliding block (17), and a friction plate (14) is fixed on the top of the sliding block (17). One end of the plate (14) is fixedly connected with the cylinder (18) arranged on the bracket (13), and the cylinder (18) drives the friction plate (14) to move back and forth on the guide rail (16), and realizes the top surface of the friction plate (14). Contacting and separating from the bottom of the friction wheel rotating mechanism (15), the friction plate (14) drives the friction wheel rotating mechanism (15) to rotate by friction after contacting with the friction wheel rotating mechanism (15). 5. The universal multi-station laser welding machine for circular and ring parts according to claim 1, characterized in that: the middle part of the transplanting and lifting suction cup manipulator (9) corresponding to the side of the rotary positioner is fixedly provided with a A chute (10) with an obliquely downward discharge port is provided, and a material chute (11) is provided below the discharge port of the chute (10). 6. The universal multi-station laser welding machine for circular and ring parts according to claim 1, characterized in that: the side facing the cylinder pressing device (6) and the station (3) is provided with a visual molding Contrast device (7). 7. The universal multi-station laser welding machine for circular and ring parts according to claim 1, characterized in that: the outer cover of the rotary positioner is provided with a dust-removing closed room (12), and the cylinder pressing device ( 6) The laser welding machine (8), the transplanting and lifting suction cup manipulator (9) and their corresponding workstations (3) are all located in the dust-removing enclosure (12), and the transplanting and lifting rotary suction cup manipulator (4) and The corresponding station (3) and the feeding area (5) are located outside the dust-removing enclosure (12).

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