CN213969654U

CN213969654U - Girder welding workstation

Info

Publication number: CN213969654U
Application number: CN202022356926.8U
Authority: CN
Inventors: 唐玉玺; 苏明; 步向辉
Original assignee: Henan Mingxi Intelligent Equipment Co ltd
Current assignee: Henan Mingxi Intelligent Equipment Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-08-17
Anticipated expiration: 2030-10-21

Abstract

The utility model provides a girder welding workstation, including the girder support frame, the girder support frame includes the support post that a plurality of intervals set up and takes the terminal surface interval arrangement two parallel support guide rails on the support post, uses the length extending direction of support guide rail as space X axle, uses perpendicular to support post direction as space Y axle, uses and is on a parallel with support post direction as space Z axle, girder support frame up end is equipped with and supports a plurality of mobile brackets that guide the removal complex of guide rail, be fixed with the lift stand that extends along the Z axle direction on the side of the removal layer board that is on a parallel with the X axle direction, the lift stand cooperates with the removal layer board along the direction of Z axle direction guide removal; and a welding robot is arranged on the lower end face of the lifting upright post. The technical problems that in the prior art, welding can not be carried out on a deep and narrow crossbeam workpiece with a complex internal structure in a high-quality and high-efficiency mode, and the welding working range of a welding robot is limited are solved.

Description

Girder welding workstation

Technical Field

The utility model relates to the field of welding technique, concretely relates to girder weldment work station.

Background

In modern industry, automation and mechanization have become main bodies in the production process and gradually replace the operation of people; especially, in some highly automated enterprises, unmanned workshops, assembly lines and the like are seen everywhere, and become a mark for leading the development of modern enterprises. At present, along with the continuous development and upgrade of industry and manufacturing, welding robot welding work also by the wide application in the welding field, but the girder is because of its length, dark and narrow, and inner structure is complicated, and general welding robot is difficult to carry out effective welding, places straight in current welding robot, is difficult to weld in dark and narrow slit high quality, high efficiency. And often set up welding robot to fixed station work, this has seriously influenced automatic weld work station and has carried out welding process's flexibility, has reduced welding robot welding process's effective scope, produces serious restriction to the welding process of large-scale spare part.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a girder weldment work station to solve prior art and can't weld and the limited technical problem of welding robot welding work scope in deep and narrow, the complicated girder work piece of inner structure crowning quality, high efficiency.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a girder welding workstation comprises a girder supporting frame, wherein the girder supporting frame comprises a plurality of supporting upright columns arranged at intervals and two parallel supporting guide rails arranged on the upper end faces of the supporting upright columns at intervals, the length extending direction of the supporting guide rails is taken as a space X axis, the direction perpendicular to the supporting upright columns is taken as a space Y axis, the direction parallel to the supporting upright columns is taken as a space Z axis, a plurality of movable supporting plates matched with the supporting guide rails in a guiding and moving mode are arranged on the upper end faces of the girder supporting frame, lifting upright columns extending along the Z axis direction are fixed on the side edges of the movable supporting plates parallel to the X axis direction, and the lifting upright columns are matched with the movable supporting plates in a guiding and moving mode along the Z axis direction; and a welding robot is arranged on the lower end face of the lifting upright post.

Preferably, the movable supporting plate comprises a lower movable plate which is movably matched with the support guide rail in a guiding manner, a first transmission motor is fixed on the lower movable plate, an output shaft of the first transmission motor is arranged along the Z direction, a free end of the output shaft of the first transmission motor is sleeved with a first gear, and the first gear is meshed with a first rack arranged on the inner side wall of the support guide rail.

Preferably, the upper end surface of the lower moving plate is provided with an upper moving plate which is movably matched with the lower moving plate along the Y-axis direction, the upper moving plate is provided with two moving plate guide rails at intervals along the Y-axis direction, the upper end surface of the lower moving plate is provided with a fixed block, the fixed block is provided with a first groove with an upward opening, and the first groove is movably matched with the moving plate guide rails in a guiding manner.

Preferably, a second rack is arranged on the side wall of the upper moving plate parallel to the Y axis, a second transmission motor is arranged on the lower moving plate, an output shaft of the second transmission motor is arranged along the parallel X axis, a second gear is sleeved at the free end of the output shaft of the second transmission motor, and the second gear is meshed with the second rack.

Preferably, a moving plate sliding block is fixed on a side wall of the upper moving plate parallel to the X-axis direction, and two second grooves along the Z-axis direction are arranged at intervals on the moving plate sliding block; the wall of the opposite side of the lifting upright post and the supporting guide rail is provided with two convex rails which are matched with the second groove in a guiding manner, the outer wall of the lifting upright post between the two convex rails is provided with a third rack arranged along the Z-axis direction, the upper moving plate is provided with a third transmission motor, the output shaft of the third transmission motor is arranged along the Y-axis direction, the free end of the output shaft of the third transmission motor is sleeved with a third gear, and the third gear is meshed with the third rack.

Preferably, the welding robot includes six robot arms and a welding gun provided at free ends of the six robot arms.

Preferably, the support rail is provided with stops at both ends of its length extension.

Preferably, follow girder support frame length extending direction's both ends are equipped with the step ladder that makes things convenient for people to go up and down that extends to girder support frame top, support stand up end, remove one side of layer board and be equipped with the maintenance platform.

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

1. the utility model adopts the inverted welding robot and the multi-axis linked movable supporting plate, and the inverted welding robot can extend the welding mechanical arm into a deep and narrow structure; and install welding arm on removing the layer board and can not receive because of removing the layer board and block with the mode of hanging upside down to enlarge working space, improved the suitability and the practicality of whole mechanical arm device, the application space of increase.

Furthermore, the movable supporting plate comprises a lower movable plate which is movably matched with the support guide rail in a guiding manner, an upper movable plate which is movably matched with the lower movable plate in a guiding manner along the Y axis is arranged on the upper end face of the lower movable plate, and the upper movable plate is movably matched with the lifting upright column in a guiding manner, so that three-dimensional accurate and rapid movement is realized, the workpiece conveying efficiency is improved, the girder with the deep and narrow slit is welded in a high-quality and high-efficiency manner, and the labor intensity of workers is reduced.

Furthermore, the outer side wall of the guide rail is provided with a strip-shaped groove in the guide moving direction of the welding robot, and the lower end face of the welding robot is provided with a sliding block which is in guide moving fit with the strip-shaped groove, so that the welding robot only generates displacement in the moving direction, and the influence on the precision of a welding workpiece due to the fact that the welding robot is not fastened with the guide rail is avoided.

Further, the utility model discloses use six robotic arm robots, maneuverability nature, sturdy and durable advantage such as fast, the precision height. The welding efficiency and the welding quality are improved, and the full-automatic high-efficiency welding of large structural parts is realized. The guide rail and the welding robot are adopted to guide and move for matching, so that the welding robot can adapt to the welding work of large parts, the welding robot can move on the linear rail, the robot can move along the fixed rail, and the stability and the precision of the welding work are improved.

Drawings

FIG. 1 is a top view of a particular embodiment of a girder welding workstation of the present invention;

FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;

fig. 3 is a partial schematic view of fig. 2 at C.

FIG. 4 is a partial perspective view of a particular embodiment of a girder welding station of the present invention 1;

FIG. 5 is a partial schematic view of FIG. 4 at section A;

fig. 6 is a partial schematic view of a portion B in fig. 4.

Figure 7 is a partial perspective view of a particular embodiment of a girder welding station of the present invention 2;

fig. 8 is a partial schematic view of portion D of fig. 7.

In the figure: 1. the girder supporting frame, 11 supporting upright posts, 12 supporting guide rails and 13 first racks; 2. the automatic lifting device comprises a movable supporting plate, 21 lower movable plates, 211 first gears, 212 first transmission motors, 214 fixed blocks, 215 first grooves, 22 upper movable plates, 221 movable plate guide rails, 222 second racks, 223 second transmission motors, 23 movable plate sliding blocks, 231 second grooves, 232 third transmission motors, 233 third gears, 24 lifting columns, 241 convex rails, 242 third racks; 3. a welding robot, 31, six mechanical arms, 32, a welding gun; 4. a step ladder; 5. and the overhaul platform 6 is a girder.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

The utility model discloses girder weldment work station's concrete embodiment, as shown in fig. 1 to 8, including girder support frame 1, girder support frame 1 includes the support post 11 that a plurality of intervals set up and takes two parallel support rail 12 of support post 11 up end interval arrangement, use the length extending direction of support rail 12 as space X axle, use perpendicular to support post 11 direction as space Y axle, use being on a parallel with support post 11 direction as space Z axle, girder support frame 1's up end is equipped with and moves a plurality of removal layer boards 2 of complex with support rail 12 direction, be on the side of the removal layer board that is on a parallel with X axle direction and be fixed with the lift stand 24 that extends along Z axle direction, lift stand 24 and removal layer board move the cooperation along Z axle direction; the lower end face of the lifting upright column 24 is provided with a welding robot 3. The welding robot for the inverted hanging welding can extend the welding mechanical arm into a deep and narrow structure; the movable supporting plate can not be blocked, so that the working space is enlarged, the applicability and the practicability of the whole mechanical arm device are improved, and the application space is increased.

Preferably, the movable supporting plate 2 comprises a lower movable plate 21 which is movably matched with the support rail 12 in a guiding way, a first transmission motor 212 is fixed on the lower movable plate 21, an output shaft of the first transmission motor 212 is arranged along the Z direction, a free end of the output shaft of the first transmission motor 212 is sleeved with a first gear 211, and the first gear 211 is meshed with a first rack 13 arranged on the inner side wall of the support rail 12.

In this embodiment, the upper end surface of the lower moving plate 21 is provided with an upper moving plate 22 which is movably engaged with the lower moving plate 21 along the Y-axis direction, the upper moving plate 22 is provided with two moving plate guide rails 221 at intervals along the Y-axis direction, the upper end surface of the lower moving plate 21 is provided with a fixed block 214, the fixed block 214 is provided with a first groove 215 which opens upward, and the first groove 215 is movably engaged with the moving plate guide rails 221 along the Y-axis direction. A second rack 222 is arranged on the side wall of the upper moving plate 22 parallel to the Y axis, a second transmission motor 223 is arranged on the lower moving plate 21, the output shaft of the second transmission motor 223 is arranged along the parallel X axis, a second gear is sleeved at the free end of the output shaft of the second transmission motor 223, and the second gear is meshed with the second rack 222. A moving plate sliding block 23 is fixed on the side wall of the upper moving plate 22 parallel to the X-axis direction, and two second grooves 231 along the Z-axis direction are arranged on the moving plate sliding block 23 at intervals; two convex rails 241 which are matched with the second groove 231 in a guiding mode are arranged on the wall of one side, opposite to the supporting guide rail, of the lifting upright column 24, a third rack 242 which is arranged along the Z-axis direction is arranged on the outer wall of the lifting upright column 24 between the two convex rails 241, a third transmission motor 232 is arranged on the upper moving plate 22, the output shaft of the third transmission motor 232 is arranged along the Y-axis direction, a third gear 233 is sleeved at the free end of the output shaft of the third transmission motor 232, and the third gear 233 is meshed with the third rack 242. The three-dimensional accurate and rapid movement is realized, the workpiece conveying efficiency is improved, the girder with the deep and narrow slit is welded with high quality and high efficiency, and the labor intensity of workers is reduced; and the guide rail is movably matched with the welding robot 3 in a guiding way, so that the welding machine can be suitable for the welding work of large parts, and the welding efficiency is greatly improved.

In the present embodiment, the welding robot 3 includes a six-axis robot arm 31 and a welding gun 32 provided at a free end of the six-axis robot arm 31. The six-axis mechanical arm 31 robot has the advantages of high operability, firmness, durability, high speed, high precision and the like. The welding efficiency and the welding quality are improved, and the full-automatic high-efficiency welding of large structural parts is realized.

In this embodiment, the two ends of the support rail 12 extending in length are provided with stoppers to prevent the moving blade 2 from coming off from the two ends of the support rail 12.

In this embodiment, two ends along the length extending direction of the girder supporting frame 1 are provided with steps 4 extending to the top of the girder supporting frame 1 for people to go up and down conveniently, and an overhaul platform 5 is arranged beside the upper end surface of the supporting upright post 11 and the movable supporting plate 2.

The utility model discloses an operating process as follows, will treat welded girder 6 and put the welding robot 3's of hanging upside down in the girder weldment work station that has installed, thereby control corresponding drive machine and rotate the welding of girder of completion of the spatial position of control welding robot 3 as required.

In other embodiments, the fixed block 214 may be fixed to the lower end surface of the upper moving plate 22, and the moving plate guide 221 may be provided on the upper end surface of the lower moving plate 21.

In other embodiments, the lifting column 24 may also be a telescoping column.

Claims

1. The utility model provides a girder weldment work station, includes the girder support frame, the girder support frame includes the support post that a plurality of intervals set up and takes the support rail of two parallels at support post up end interval arrangement to the length extending direction of support rail is the space X axle, and is the space Y axle with perpendicular to support post direction, uses and is on a parallel with the support post direction as space Z axle, its characterized in that: the upper end surface of the girder supporting frame is provided with a plurality of movable supporting plates which are movably matched with the supporting guide rails in a guiding manner, the side edge of each movable supporting plate parallel to the X-axis direction is fixedly provided with a lifting upright post extending along the Z-axis direction, and the lifting upright posts and the movable supporting plates are movably matched in a guiding manner along the Z-axis direction; the lower terminal surface of lift stand is equipped with the welding robot of hanging upside down.

2. The girder welding workstation of claim 1, wherein: the movable supporting plate comprises a lower moving plate which is movably matched with the supporting guide rail in a guiding mode, a first transmission motor is fixed on the lower moving plate, an output shaft of the first transmission motor is arranged along the Z direction, a free end of the output shaft of the first transmission motor is sleeved with a first gear, and the first gear is meshed with a first rack arranged on the inner side wall of the supporting guide rail.

3. A girder welding station according to claim 2, wherein: the upper end face of the lower moving plate is provided with an upper moving plate which is movably matched with the lower moving plate along the Y-axis direction, the upper moving plate is provided with two moving plate guide rails at intervals along the Y-axis direction, the upper end face of the lower moving plate is provided with a fixed block, the fixed block is provided with a first groove with an upward opening, and the first groove is movably matched with the moving plate guide rails in a guiding manner.

4. A girder welding station according to claim 3, wherein: and a second rack is arranged on the side wall of the upper moving plate parallel to the Y axis, a second transmission motor is arranged on the lower moving plate, an output shaft of the second transmission motor is arranged along the parallel X axis, a free end of the output shaft of the second transmission motor is sleeved with a second gear, and the second gear is meshed with the second rack.

5. The girder welding workstation of claim 4, wherein: a moving plate sliding block is fixed on the side wall of the upper moving plate parallel to the X-axis direction, and two second grooves in the Z-axis direction are formed in the moving plate sliding block at intervals; the wall of the lifting upright on the side opposite to the supporting guide rail is provided with two convex rails in guide fit with the second groove, the outer wall of the lifting upright between the two convex rails is provided with a third rack arranged along the Z-axis direction, the upper moving plate is provided with a third transmission motor, the output shaft of the third transmission motor is arranged along the Y-axis direction, the free end of the output shaft of the third transmission motor is sleeved with a third gear, and the third gear is meshed with the third rack.

6. A girder welding station according to any one of claims 1-5, wherein: the welding robot comprises six mechanical arms and a welding gun arranged at the free ends of the six mechanical arms.

7. A girder welding station according to any one of claims 1-5, wherein: stop parts are arranged at two ends of the support guide rail, which extend in length.

8. A girder welding station according to any one of claims 1-5, wherein: the edge girder support frame length extending direction's both ends are equipped with the step ladder that makes things convenient for people to go up and down that extends to girder support frame top, support stand up end, remove one side of layer board and be equipped with the maintenance platform.