Laser welding gun mechanism for gas pressure rod outer pipe end seal welding machine

Abstract

The utility model relates to a laser welding gun mechanism for a gas pressure rod outer pipe end seal welding machine, which comprises a base, two groups of laser welding gun components are arranged on two sides of the top of the base, and a wire reel is arranged behind the base; each laser welding gun assembly comprises a sliding base, a lifting base, a servo motor, a rotating base, a wire feeder and a laser welding gun, a guide rod is arranged on the sliding base, the lifting base is arranged on the guide rod through a linear bearing, the servo motor is arranged at the top end of the guide rod and is in transmission connection with the lifting base, and the wire feeder is arranged on the rotating base. The rotating base is fixedly arranged at the front end of the top of the lifting base, the wire feeder is arranged at the rear end of the lifting base, and the laser welding gun is arranged on the rotating base in a swinging mode. The lifting of the laser welding gun is accurately controlled through the servo motor, the laser welding gun is fixed after descending to a station, and the air pressure rod outer pipe end sealing welding machine drives an air pressure rod outer pipe to rotate through the material ejecting and rotating mechanism so as to seal the end of the air pressure rod outer pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to a laser welding gun mechanism for air pressure rod outer tube end sealing welding machine belongs to laser welding technical field. BACKGROUND

[0002] The air pressure rod mainly utilizes the variable state generated in the compression process of gas in the cylinder pipe, and can be widely applied to appliances requiring height adjustment. The air pressure rod mainly comprises a hollow outer tube, a piston and a piston rod. When the hollow outer tube of the air pressure rod is processed, an end sealing welding machine needs to be used to seal and weld one end of the hollow outer tube. The traditional method is to first fix a sealing ring on the inner wall of one end of the outer tube, and then fix the outer tube on the clamp of the end sealing welding machine, and then control the laser welding gun to make circular motion to laser weld the connection between the sealing ring and the inner wall of the outer tube. The above method needs high control precision of the welding manipulator, especially when welding outer tubes of different diameters, different radii of circular motion need to be set, which is difficult to operate.

[0003] Therefore, how to provide a laser welding gun mechanism for air pressure rod outer tube end sealing welding machine which is simple to operate and efficient is the research purpose of the utility model. CONTENT OF THE UTILITY MODEL

[0004] In view of the above technical problems, the utility model provides a laser welding gun mechanism for air pressure rod outer tube end sealing welding machine, which accurately controls the lifting of the laser welding gun through a servo motor, and the laser welding gun is fixed after descending to the working position. The air pressure rod outer tube is rotated by the air pressure rod outer tube end sealing welding machine material rotating mechanism, and the air pressure rod outer tube is sealed.

[0005] To solve the problems in the prior art, the utility model adopts the following technical scheme:

[0006] A laser welding gun mechanism for air pressure rod outer tube end sealing welding machine, comprising a base, two groups of laser welding gun assemblies are arranged on the top of the base, and a welding wire reel is arranged at the rear; each group of laser welding gun assemblies comprises a sliding base, a lifting base, a servo motor, a rotating base, a wire feeder and a laser welding gun, a guide rod is vertically arranged upward on the sliding base, the lifting base is arranged on the guide rod through a linear bearing, the servo motor is arranged at the top of the guide rod and is in transmission connection with the lifting base through a lead screw, the rotating base is fixedly arranged at the front end of the top of the lifting base, the wire feeder is arranged at the rear end of the lifting base, and the laser welding gun is swingably arranged on the rotating base through a rotating shaft.

[0007] Further, the welding wire reel is fixedly connected with the base through a profile, and a wire guide plate is vertically arranged on one end of the profile close to the welding wire reel.

[0008] Further, the rear end of the sliding base is connected with an adjusting hand wheel for adjusting the laser welding gun to advance or retreat.

[0009] Further, an open circular hole is arranged through the rotating base, the rotating shaft is inserted into the open circular hole of the rotating base and locked by bolts.

[0010] The utility model discloses the beneficial effect is: through servo motor accurate control laser welding gun's rise and fall, and laser welding gun falls to the fixed immobile of work station, and the outer tube of gas pressure stick is rotated by the material of gas pressure stick outer tube end seal welding machine with top material rotary mechanism, and the outer tube of gas pressure stick is carried out end seal, and simple operation can, and can double work position operation, and welding efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the structure schematic diagram of the utility model.

[0012] Figure 2 It is the front view of the utility model.

[0013] Figure 3 It is the structure schematic diagram of the laser welding gun assembly of the utility model.

[0014] Figure 4 It is the partial structure drawing of the laser welding gun assembly of the utility model.

[0015] Among them: base 1, welding wire disc 2, sliding base 3, lifting base 4, servo motor 5, rotating base 6, wire feeder 7, laser welding gun 8, guide rod 9, rotating shaft 10, section bar 11, wire guide plate 12, adjusting hand wheel 13. DETAILED DESCRIPTION

[0016] In order to make the technical personnel of the prior art more understand the technical scheme of the utility model, below combining with the attached Figures 1-4 Further analysis is made to the utility model.

[0017] As Figures 1-4 The utility model discloses a laser welding gun mechanism for gas pressure stick outer tube end seal welding machine, including base 1, the both sides of the top of base 1 are equipped with two sets of laser welding gun assemblies, and are equipped with welding wire disc 2 at rear, every set laser welding gun assembly includes sliding base 3, lifting base 4, servo motor 5, rotating base 6, wire feeder 7 and laser welding gun 8, the vertical upwards of sliding base 3 is equipped with guide rod 9, lifting base 4 is established at guide rod 9 by linear bearing, servo motor 5 is established at the top of guide rod 9, and is driven lifting base 4 to ascend or descend by the transmission connection of screw rod and lifting base 4, rotating base 6 is fixed and is established at the front of the top of lifting base 4, wire feeder 7 is established at the rear of lifting base 4, laser welding gun 8 is swingably established on rotating base 6 through a rotating shaft 10.

[0018] In the embodiment, the welding wire reel 2 is fixedly connected with the base 1 through a profile 11, and a wire guide plate 12 is vertically arranged at one end of the profile 11 close to the welding wire reel 2; after the welding wire is discharged from the welding wire reel 2, the welding wire passes through a wire guide hole of the wire guide plate 12 and a wire feeder 7, and is connected to the laser welding gun 8.

[0019] In the embodiment, the rear end of the sliding base 3 is connected with an adjusting hand wheel 13 for adjusting the forward or backward movement of the laser welding gun 8.

[0020] In the embodiment, an open circular hole is arranged through the rotating base 6, the rotating shaft 10 is inserted into the open circular hole of the rotating base 6 and is locked by a bolt, so as to adjust the angle of the laser welding gun 8.

[0021] The working principle of the utility model is as follows: the forward or backward position of the laser welding gun 8 is adjusted by the adjusting hand wheel 13, the angle of the laser welding gun 8 is adjusted by the rotating shaft 10 and is locked by a bolt, the lifting of the laser welding gun 8 is accurately controlled by the servo motor 5, the laser welding gun 8 is fixed after being lowered to the welding position, the outer tube of the pneumatic rod is rotated by the outer tube sealing welding machine using the material lifting rotating mechanism, and the laser welding gun 8 is used for laser welding the connection between the outer tube of the pneumatic rod and the sealing ring, so as to weld the sealing ring on the port of the outer tube of the pneumatic rod.

[0022] The technical scheme provided by the application is described in detail above, the principle and implementation mode of the application are described in the embodiment, the above embodiment is only used for helping to understand the method and core idea of the application; meanwhile, for the general technical personnel in the art, according to the idea of the application, the specific implementation mode and application range can be changed, and the above description should not be understood as the limitation of the application.

Claims

1. A laser welding gun mechanism for a gas pressure bar outer tube end sealing welding machine, characterized by: The base is provided with two groups of laser welding gun assemblies on both sides of the top and a welding wire reel at the back; each group of the laser welding gun assemblies comprises a sliding base, a lifting base, a servo motor, a rotating base, a wire feeder and a laser welding gun, a guide rod is vertically upward arranged on the sliding base, the lifting base is arranged on the guide rod through a linear bearing, the servo motor is arranged at the top end of the guide rod and is in transmission connection with the lifting base through a lead screw, the rotating base is fixedly arranged at the front end of the top of the lifting base, the wire feeder is arranged at the back end of the lifting base, and the laser welding gun is swingably arranged on the rotating base through a rotating shaft.

2. The laser welding gun mechanism for a gas pressure bar outer tube end sealing and welding machine according to claim 1, characterized in that: The welding wire reel is fixedly connected with the base through a profile, and a wire guide plate is vertically arranged at one end of the profile close to the welding wire reel.

3. The laser welding gun mechanism for a gas pressure bar outer tube end sealing and welding machine according to claim 1, characterized in that: The back end of the sliding base is connected with an adjusting hand wheel for adjusting the forward or backward movement of the laser welding gun.

4. The laser welding gun mechanism for a gas pressure bar outer tube end sealing and welding machine according to claim 1, characterized in that: An open circular hole is arranged through the rotating base, the rotating shaft is inserted into the open circular hole of the rotating base and is locked through bolts.

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