CN205869771U - Portable welding robot - Google Patents

Abstract

The utility model provides a rational in infrastructure, simple structure's can automated inspection and obtains the welding seam information of work piece to the portable welding robot of the most suitable welding range can automatic perform mathematical calculations out. The utility model discloses a guide rail seat (1), host computer seat (2), elevator crib (3), stretch out and draw back supporting mechanism and welder (4), host computer seat (2) are fixed to be set up on guide rail seat (1), elevator crib (3) set up on host computer seat (2), flexible supporting mechanism setting is in on elevator crib (3), welder (4) set up on the flexible supporting mechanism, the bottom of guide rail seat (1) is provided with adsorber (11), guide rail seat (1) is passed through adsorber (11) are fixed on need weld workpiece. The utility model is suitable for a steel plate structure work piece processing welding field.

Description

Portable Welding Robot

technical field

The utility model relates to a portable welding robot.

Background technique

In the production and processing of steel plate welded structure workpieces, large-scale welding equipment is usually used to weld the workpiece manually, and at certain welding positions of the workpiece, large-scale welding equipment is inconvenient to weld, and at this time, the technician must hold Small welding equipment welds the workpiece, which increases the time and difficulty of the welding process and increases the cost of the entire welding process.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a portable welding robot with a reasonable structure and a simple structure, which can automatically detect and obtain the weld seam information of the workpiece, and can automatically calculate the most suitable welding range .

The technical scheme adopted by the utility model is: a portable welding robot, which includes a guide rail seat, a main frame, a lift case, a telescopic support mechanism and a welding torch, the main frame is fixedly arranged on the guide rail seat, and the lift case It is arranged on the main base, the telescopic support mechanism is arranged on the elevator box, the welding torch is arranged on the telescopic support mechanism, the bottom of the guide rail seat is provided with an absorber, and the guide rail seat passes through the The absorber is fixed on the workpiece to be welded.

The lift case is fitted on the main base, and a jacking cylinder is arranged inside the main base, and the output end of the jacking cylinder is connected with the lift case.

A telescopic cylinder is arranged in the horizontal direction in the elevator box, the output end of the telescopic cylinder is connected with the telescopic support mechanism, a terminal is provided on the back of the elevator box, and the jacking cylinder and the telescopic cylinder It is connected with a controller arranged outside the system through the terminal.

The telescopic support mechanism includes a telescopic rod, a right-angle bracket, a triangular support platform and a welding torch bracket. The telescopic rod is horizontally arranged inside the upper end of the elevator box, and one end of the telescopic rod is connected to the output end of the telescopic cylinder. The other end extends out of the front end of the elevator box and is connected with the upper beam of the right-angle bracket, the vertical beam of the right-angle bracket is perpendicular to the telescopic rod and placed below the telescopic rod, the The front end face of the vertical beam of the right-angle bracket is provided with a sliding groove, the vertical surface of the triangular support platform is adapted to be arranged in the sliding groove, the welding torch bracket is hinged on the triangular support platform, and the welding torch It is fixedly arranged on the triangular support platform.

The welding torch bracket is hinged on the triangular support platform through the first elastic screw, the two sides of the triangular support platform are respectively provided with arc rails, and the tail of the welding torch bracket is adapted to be provided with two second elastic screws, the two second elastic screws are respectively adapted to be arranged in the two arc-shaped rails, the front part of the welding torch bracket is provided with welding torch claws, and the welding torch is fixedly arranged on the welding torch claws. The torch head end of the welding torch is provided with a contact sensor, the contact sensor is connected to the controller, and the welding torch is connected to an external welding wire conveying device and a welding power source.

The rail seat includes a moving slide, a fixed rail and an absorber, the moving slide is fitted on the fixed rail, the absorber is fixed on the bottom of the fixed rail, and the host The bottom of the seat is fixedly arranged on the moving slide, a stepping motor connected to the controller is arranged inside the main base, and an output end of the stepping motor is connected to the moving slide.

The adsorber is an electromagnet.

The beneficial effects of the utility model are: the utility model can automatically detect the welded part of the workpiece through the contact sensor and obtain the weld seam information such as the thickness of the workpiece, the groove angle, the root gap, the length of the weld seam, and the position offset. And automatically calculate the most suitable current and voltage, welding speed, welding time, swing, number of layers and other welding parameters, combined with the utility model's own structure, and finally realize the automatic multi-layer multi-pass welding of the welding workpiece. In this way, the welding time is shortened, the welding difficulty is reduced, and the company's dependence on high-quality talents is reduced, and the labor force is liberated.

Description of drawings

Fig. 1 is a schematic diagram of working inside a workpiece in the utility model.

detailed description

As shown in Figure 1, the utility model comprises a guide rail seat 1, a main base 2, an elevator case 3, a telescopic support mechanism and a welding torch 4, the main base 2 is fixedly arranged on the guide rail seat 1, and the elevator case 3 is set On the main base 2, the telescopic support mechanism is arranged on the elevator box 3, the welding torch 4 is arranged on the telescopic support mechanism, the bottom of the guide rail seat 1 is provided with an absorber 11, the The rail seat 1 is fixed on the workpiece to be welded by the absorber 11 .

The lift case 3 is fitted on the main base 2 , and a jacking cylinder is arranged inside the main base 2 , and the output end of the jacking cylinder is connected to the lift case 3 .

A telescopic cylinder is arranged in the horizontal direction in the lift case 3, and the output end of the telescopic cylinder is connected with the telescopic support mechanism. The telescopic air cylinder is connected with a controller arranged outside the system through the terminal post 31 .

Described telescopic support mechanism comprises telescopic rod 41, right-angle bracket 42, triangular support platform 43 and welding torch support 44, and described telescopic rod 41 is horizontally arranged in the inside of described elevator case 3 upper end, and one end of described telescopic rod 41 is connected with described The output end of the telescopic cylinder is connected, and the other end extends out of the front end of the elevator case 3 and is connected with the upper beam of the right-angle bracket 42, and the vertical beam of the right-angle bracket 42 is perpendicular to the telescopic rod 41 and Placed below the telescopic rod 41, a sliding groove is provided on the front end surface of the vertical beam of the right-angle bracket 42, and the vertical surface of the triangular support platform 43 is adapted to be arranged in the sliding groove. The welding torch bracket 44 is hinged on the triangular support platform 43 , and the welding torch 4 is fixedly arranged on the triangular support platform 43 .

The welding torch bracket 44 is hinged on the triangular support platform 43 through the first elastic screw 441, and the two sides of the triangular support platform 43 are respectively provided with arc rails, and the tail portion of the welding torch bracket 44 is adapted to be arranged There are two second elastic screws 442, and the two second elastic screws 442 are respectively adapted to be arranged in the two arc-shaped rails, and external personnel adjust the second elastic screws 442 in the arc-shaped rails. position, and then adjust the angle of the welding torch bracket 44. The front portion of the welding gun bracket 44 is provided with a welding gun claw, the welding gun 4 is fixedly arranged on the welding gun claw, and the gun head end of the welding gun 4 is provided with a contact sensor, and the contact sensor is connected with the controller , the welding torch 4 is connected with an external welding wire feeding device and a welding power source.

The guide rail seat 1 includes a moving slide, a fixed rail platform and an absorber 11. In this specific embodiment, the absorber 11 is an electromagnet, and the moving slide is adapted to be arranged on the fixed rail platform. The four absorbers 11 are respectively adapted and fixed on the bottom surface of the fixed rail platform, and the fixed rail platform is adsorbed and fixed on the surface of the workpiece through the absorbers 11, and the bottom of the main base 2 is fixedly arranged on the bottom surface of the fixed rail platform. On the moving slide, the inside of the main base 2 is provided with a stepping motor connected to the controller, and the output end of the stepping motor is connected with the moving slide.

working principle:

A. According to the welding surface of the workpiece to be welded, the guide rail seat 1 is fixed on the appropriate position of the welding surface of the workpiece through the absorber 11, and the 4 gun heads of the welding torch are adjusted according to the actual welding position of the welding workpiece At this time, the contact sensor touches the welding part of the workpiece and transmits the weld seam information there to the controller, and at the same time presets the welding stroke and the number of welding layers of the welding torch 4;

B. Turn on the welding torch 4, and the stepping motor drives the moving slide to slide at a constant speed along the fixed rail platform, and then drives the welding torch 4 to perform first-layer welding on the welding part of the workpiece;

C. After the first layer of welding is completed, the stepper motor stops operating, and the lift box 3 rises to the preset range under the action of the jacking cylinder, so that the tip of the welding torch 4 leaves the welding surface of the workpiece , at this moment, the stepper motor reversely rotates and drives the moving slide to slide at a constant speed along the fixed rail platform, and then drives the welding torch 4 back to the initial position;

D. After the welding torch 4 is in place, the telescopic cylinder drives the telescopic rod 41 to extend out to a preset range, and the jacking cylinder drives the lift box 3 down to a preset range, and then the stepping motor drives The moving sliding seat slides at a constant speed along the fixed rail platform, driving the welding torch 4 to perform second-layer welding on the welding part of the workpiece;

E. Repeat the above step C and step D until the specified number of layers is completed on the welding part of the workpiece, then turn off the welding torch 4 and remove the portable welding robot from the workpiece.

In step A, the weld seam information includes workpiece plate thickness, groove angle, root gap, weld seam length and position offset.

In step E, the specified number of welding layers is 5-7 layers.

The utility model is suitable for the field of processing and welding steel plate structure workpieces.

Claims (7)

1. A portable welding robot, characterized in that it includes a guide rail seat (1), a main base (2), a lift case (3), a telescopic support mechanism and a welding torch (4), and the main base (2) is fixedly arranged On the guide rail seat (1), the lift box (3) is set on the main base (2), the telescopic support mechanism is set on the lift box (3), and the welding torch (4) It is arranged on the telescopic support mechanism, and the bottom of the guide rail seat (1) is provided with an absorber, and the guide rail seat (1) is fixed on the workpiece to be welded by the absorber. 2. The portable welding robot according to claim 1, characterized in that: the lift box (3) is fitted on the main base (2), and the main base (2) is provided with a jacking cylinder, the output end of the jacking cylinder is connected with the lift case (3). 3. The portable welding robot according to claim 2, characterized in that: a telescopic cylinder is arranged in the horizontal direction in the elevator box (3), and the output end of the telescopic cylinder is connected with the telescopic support mechanism, so that A binding post (31) is arranged on the back of the lift case (3), and the jacking cylinder and the telescopic cylinder are connected to a controller arranged outside the system through the binding post (31). 4. The portable welding robot according to claim 3, characterized in that: the telescopic support mechanism includes a telescopic rod (41), a right-angle bracket (42), a triangular support platform (43) and a welding torch bracket (44), the The telescopic rod (41) is horizontally arranged inside the upper end of the lift box (3), one end of the telescopic rod (41) is connected to the output end of the telescopic cylinder, and the other end extends out of the lift box (3) The front end face is connected with the upper beam of the right-angle bracket (42), the vertical beam of the right-angle bracket (42) is perpendicular to the telescopic rod (41) and placed under the telescopic rod (41) , the front end surface of the vertical beam of the right-angle bracket (42) is provided with a sliding groove, the vertical surface of the triangular support platform (43) is fitted in the sliding groove, and the welding torch bracket (44) Hinged on the triangular support platform (43), the welding torch (4) is fixedly arranged on the triangular support platform (43). 5. The portable welding robot according to claim 4, characterized in that: the welding gun bracket (44) is hinged on the triangular support platform (43) through the first elastic screw (441), and the triangular support platform ( The two sides of 43) are also provided with arc-shaped rails respectively, and the tail of the welding torch bracket (44) is fitted with two second elastic screws (442), and the two second elastic screws (442) are respectively Fitted in the two arc-shaped rails, the front part of the welding torch bracket (44) is provided with welding torch claws, the welding torch (4) is fixedly arranged on the welding torch claws, and the welding torch (4) A contact sensor is provided at the torch head end, and the contact sensor is connected to the controller, and the welding torch (4) is connected to an external welding wire conveying device and a welding power source. 6. The portable welding robot according to claim 5, characterized in that: the guide rail seat (1) includes a moving slide, a fixed rail platform and an absorber (11), and the moving slide is adapted to be arranged on the On the fixed rail platform, the absorber (11) is fixedly arranged on the bottom surface of the fixed rail platform, the bottom of the main base (2) is fixedly installed on the moving slide, and the inside of the main base (2) A stepping motor connected with the controller is provided, and the output end of the stepping motor is connected with the moving sliding seat. 7. The portable welding robot according to claim 6, characterized in that: the absorber (11) is an electromagnet.