CN218657433U

CN218657433U - Welding robot air cooling elbow capable of automatically adjusting angle

Info

Publication number: CN218657433U
Application number: CN202222645334.7U
Authority: CN
Inventors: 吴建冬
Original assignee: Changzhou Longren Electromechanical Co ltd
Current assignee: Changzhou Longren Electromechanical Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-21
Anticipated expiration: 2032-10-09

Abstract

The utility model relates to the technical field of welding gun parts, concretely relates to welding robot air-cooled elbow pipe capable of automatically adjusting angle, including conductive nozzle seat, elbow pipe, automatic elbow pipe device and connecting seat, conductive nozzle seat and connecting seat are connected the front and back both ends of elbow pipe respectively, automatic elbow pipe device includes movable block and right angle mounting bracket, and both are fixed with the front and back sections of elbow pipe respectively, the lower part of right angle mounting bracket is installed with the motor through articulated coupling mechanism, the rotary unit of motor stretches out and is provided with a screw lead screw, the screw lead screw matches with the nut that is equipped with on the movable block and cup joints, the nut is connected with the movable block through articulated coupling mechanism, the elbow pipe is hollow inside; the utility model has the advantages that the bending angle of the bent pipe can be automatically adjusted by arranging the automatic pipe bending device, and the bent pipe can be kept to be shaped after reaching the required angle; the multilayer bent pipe structure has good protection performance on a gas circuit, the service life of the bent pipe is effectively prolonged, and the welding quality is ensured.

Description

Welding robot air cooling elbow capable of automatically adjusting angle

Technical Field

The utility model relates to a welding gun spare part technical field, in particular to but welding robot air cooling return bend of automatic angle adjustment.

Background

The bent pipe is an important part at the front working end of the welding robot and is used for connecting a welding gun head part, an air pipe, a cable and the like. Because the environment of welding work is very complicated, in order to make welding robot normally work, the return bend of multiple specific angle need be used under the many situations. The elbow pipe bending device is limited in the structure of the elbow pipe of the traditional welding robot, the bending angle of the existing elbow pipe is fixed, the elbow pipe with different angles needs to be frequently replaced when the welding robot performs complex welding operation, the elbow pipe with special angles even needs to be manufactured in a customized mode at a high cost, and the use cost is greatly improved, and the welding efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a but welding robot air cooling return bend of automatic angle adjustment can be according to the angle of actual need automatically regulated return bend when using welding robot, need not frequently to shut down and changes the robot return bend in order to reach reduction in service cost, improves welding work efficiency, promotes welding quality's purpose.

In order to achieve the above purpose, the utility model adopts the following scheme: a welding robot air-cooled elbow capable of automatically adjusting an angle comprises a conductive nozzle seat, an elbow, an automatic elbow device and a connecting seat, wherein the conductive nozzle seat and the connecting seat are respectively connected with the front end and the rear end of the elbow;

the elbow is hollow inside and is divided into a front hard section and a rear hard section and a middle bendable section, and the movable block and the right-angle mounting rack are respectively connected with the two hard sections.

Furthermore, the bent tube is of a multilayer structure, and is sequentially provided with a silicone tube outer sleeve layer, a steel layer, a Teflon tube layer, a Teflon film insulating layer and an inner core layer which are tightly connected from the outer layer to the inner layer; the front section and the rear section of the steel layer are nickel-plated steel pipes, and the middle section is a spring wound by steel bars; the Teflon layer is divided into three sections assembled in a split insertion mode; the Teflon film insulating layer is arranged on the outer wall of the inner core layer in a densely wound manner; the front section and the rear section of the inner core layer are made of red copper tubes, and the middle section of the inner core layer is a spring formed by winding a red copper strip.

Furthermore, the interior of the conductive nozzle seat and the connecting seat is provided with an air passage communicated with the elbow, and the front end of the conductive nozzle seat is provided with threads.

Further, the motor is one of a stepping motor or a servo motor.

Further, the thickness of the Teflon layer is more than twice of that of the Teflon film insulating layer.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a but welding robot air cooling return bend of automatic angle adjustment, through setting up automatic swan neck system makes the return bend angle automatically regulated to after reaching required angle, keep stereotyping; adopt multilayer return bend structure, good, the difficult shrivelled rupture of leakproofness to the protectiveness of gas circuit, effectively prolong the life of return bend, guarantee welding quality.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2;

fig. 4 is a schematic sectional view of the elbow pipe according to the present invention.

In the figure: 1. a conductive nozzle base; 2. bending a pipe; 2a, coating a silicone tube; 2b, a steel layer; 2c, a Teflon layer; 2d, a Teflon film insulating layer; 2e, an inner core layer; 3. an automatic pipe bending device; 3a, a movable block; 3b, a right-angle mounting rack; 3c, a hinged connection mechanism; 3d, a motor; 3e, a nut; 3f, a threaded screw rod; 4. A connecting seat.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 4, a welding robot air-cooled elbow capable of automatically adjusting an angle comprises a conductive nozzle base 1, an elbow 2, an automatic elbow device 3 and a connecting base 4, wherein the conductive nozzle base 1 and the connecting base 4 are respectively connected with the front end and the rear end of the elbow 2, the automatic elbow device 3 comprises a movable block 3a and a right-angle mounting frame 3b, the movable block 3a and the right-angle mounting frame are respectively fixed with the front section and the rear section of the elbow 2, the elbow 2 is connected with the upper part of the right-angle mounting frame 3b, a motor 3d is installed on the lower part of the right-angle mounting frame 3b through a hinged connection mechanism 3c, a threaded lead screw 3f extends out of a rotating unit of the motor 3d, the threaded lead screw 3f is matched and sleeved with a nut 3e arranged on the movable block 3a, the nut 3e is connected with the movable block 3a through a hinged connection mechanism 3c, the hinged connection mechanism 3c enables the nut 3e to be relatively rotatably connected with the movable block 3a, and enables the motor 3d to be relatively rotatably connected with the right-angle mounting frame 3 b;

the elbow 2 is used for conducting electricity and conveying shielding gas, is hollow inside, and is divided into a front hard section and a rear hard section and a middle bendable section, and the movable block 3a and the right-angle mounting rack 3b are respectively connected with the two hard sections.

The elbow 2 is of a multilayer structure, and is sequentially provided with a silicone tube outer sleeve layer 2a, a steel layer 2b, a Teflon tube layer 2c, a Teflon film insulation layer 2d and an inner core layer 2e which are tightly connected from the outer layer to the inner layer; the silicone tube outer sleeve layer 2a can effectively insulate the bent tube body, and the elastic material of the silicone tube outer sleeve layer can protect the internal structure of the bent tube body and also form an air path for the circulation of protective air; the front section and the rear section of the steel layer 2b are nickel-plated steel pipes, and the middle section is a spring wound by steel bars; the Teflon tube layer 2c is divided into three sections assembled in an opposite insertion mode, the Teflon film insulating layer 2d is arranged on the outer wall of the inner core layer 2e in an intensive winding mode, the thickness of the Teflon tube layer 2c is more than twice of that of the Teflon film insulating layer 2d, and the application of Teflon improves the insulating property of the tube body; the front and back two sections of inner core layer 2e are copper tubes, and the interlude is the spring that the red copper strip was wound, and red copper's electric conductivity and heat conductivity are all good, and red copper spring structure produces the plastic deformation when passive bending and supports for the body, keeps the angle of buckling.

The inside of conductive nozzle seat 1 and connecting seat 4 is provided with the communicating air flue with return bend 2, and the front end of conductive nozzle seat 1 is provided with the screw thread for be connected with the conductive nozzle, and the outside of conductive nozzle seat 1 is equipped with the jump ring and is used for fixed spray tube.

The motor 3d is one of a stepping motor or a servo motor, the motor 3d is connected with a driver in a robot control system through a cable, the movable block 3a can move by controlling the rotation of the motor 3d and combining a screw nut structure, and the movable block 3a drives the bent pipe 2 to bend, so that the bending degree of the bent pipe 2 is finally controlled, and the angle is adjusted.

The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and it should be noted that, for those skilled in the art, changes, modifications or additions can be made without departing from the concept of the present invention, and all shall belong to the scope of protection of the present invention.

Claims

1. A welding robot air cooling elbow capable of automatically adjusting an angle is characterized in that: the automatic pipe bending device comprises a conductive nozzle seat (1), a bent pipe (2), an automatic pipe bending device (3) and a connecting seat (4), wherein the conductive nozzle seat (1) and the connecting seat (4) are respectively connected with the front end and the rear end of the bent pipe (2), the automatic pipe bending device (3) comprises a movable block (3 a) and a right-angle mounting rack (3 b), the movable block (1) and the connecting seat (4) are respectively fixed with the front section and the rear section of the bent pipe (2), a motor (3 d) is installed on the lower portion of the right-angle mounting rack (3 b) through a hinged connecting mechanism (3 c), a rotary unit of the motor (3 d) extends out to be provided with a threaded lead screw (3 f), the threaded lead screw (3 f) is matched and sleeved with a nut (3 e) arranged on the movable block (3 a), and the nut (3 e) is connected with the movable block (3 a) through the hinged connecting mechanism (3 c);

the elbow (2) is hollow, and is divided into front and back hard sections and middle bendable sections, and the movable block (3 a) and the right-angle mounting rack (3 b) are respectively connected with the two hard sections.

2. The welding robot air-cooling elbow capable of automatically adjusting the angle according to claim 1, wherein: the bent pipe (2) is of a multilayer structure, and a silicone tube outer sleeve layer (2 a), a steel layer (2 b), a Teflon pipe layer (2 c), a Teflon film insulation layer (2 d) and an inner core layer (2 e) which are tightly connected are sequentially arranged from the outer layer to the inner layer; the front section and the rear section of the steel layer (2 b) are nickel-plated steel pipes, and the middle section is a spring wound by steel bars; the Teflon tube layer (2 c) is divided into three sections assembled in an opposite insertion mode; the Teflon film insulating layer (2 d) is arranged on the outer wall of the inner core layer (2 e) in a densely wound shape; the front section and the rear section of the inner core layer (2 e) are copper tubes, and the middle section is a spring wound by copper strips.

3. The welding robot air-cooling elbow capable of automatically adjusting the angle according to claim 1, wherein: the conductive nozzle seat (1) and the connecting seat (4) are internally provided with air passages communicated with the bent pipe (2), and the front end of the conductive nozzle seat (1) is provided with threads.

4. The welding robot air-cooling elbow capable of automatically adjusting the angle according to claim 1, wherein: the motor (3 d) is one of a stepping motor or a servo motor.

5. The welding robot air-cooling elbow capable of automatically adjusting the angle according to claim 2, wherein: the thickness of the Teflon tube layer (2 c) is more than twice of that of the Teflon film insulating layer (2 d).