CN212864976U

CN212864976U - Laser cladding device

Info

Publication number: CN212864976U
Application number: CN202021208034.7U
Authority: CN
Inventors: 张强; 王一达; 王熙泽; 吴苶
Original assignee: Huagong Farley Cutting and Welding System Engineering Co Ltd
Current assignee: Huagong Farley Cutting and Welding System Engineering Co Ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-04-02
Anticipated expiration: 2030-06-28

Abstract

The utility model provides a laser cladding device, including robot, robot mobile device, work piece platform and bearing roller, the work piece platform is used for pressing from both sides tight work piece, and is used for the drive the work piece is rotatory, the bearing roller sets up the work piece bench, just the bearing roller is used for supporting the work piece, the robot sets up on the robot mobile device, the robot mobile device is used for the drive the robot removes along the length direction of work piece, the robot is used for fusing alloy powder and work piece surface together. The utility model provides a laser cladding device has the advantage of the work piece of workable not unidimensional.

Description

Laser cladding device

Technical Field

The utility model relates to a laser beam machining technical field, in particular to laser cladding device.

Background

Laser cladding is a new surface modification technology. In the laser cladding process, a cladding material is added on the surface of a base material, and then the cladding material and a thin layer of the surface of the base material are fused together by using a laser beam with high energy density to form a cladding layer on the surface of the base material. Through laser cladding, the wear-resisting, corrosion-resisting, heat-resisting, anti-oxidation and electrical properties of the surface of the base material can be improved, so that the purpose of modifying or repairing the surface of the base material is achieved. The laser cladding can not only ensure that the performance of the surface of the base material meets the requirements, but also save a large amount of valuable elements.

At present, a laser cladding device is mainly applied to processing of some small parts, but in the field of manufacturing of large equipment such as ship heavy industry and heavy machine tools, the laser cladding device cannot meet the processing requirements due to large and heavy parts, and particularly cannot meet the processing requirements of large shaft parts such as rollers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser cladding device to solve the problem that current laser cladding device can not process large-scale axle type part.

In order to solve the technical problem, the utility model provides a laser cladding device, including robot, robot mobile device, work piece platform and bearing roller, the work piece platform is used for pressing from both sides tight work piece, and is used for the drive the work piece is rotatory, the bearing roller sets up the work piece bench, just the bearing roller is used for supporting the work piece, the robot sets up on the robot mobile device, the robot mobile device is used for the drive the robot removes along the length direction of work piece, the robot is used for fusing alloy powder and work piece surface together.

Further, the carrier roller comprises a base, a screw rod, a first nut seat, a second nut seat and two rolling wheels, wherein the base is arranged on the workpiece table, the first nut seat and the second nut seat are arranged on the base and are in sliding connection with the base, the thread turning directions of the first nut seat and the second nut seat are opposite, the screw rod is rotatably connected with the base, the screw rod is in threaded connection with the first nut seat and the second nut seat, the two rolling wheels are respectively arranged on the first nut seat and the second nut seat, and the two rolling wheels are matched to support a workpiece.

Further, the workpiece table comprises a base table, a spindle reduction box, a tailstock and a chuck, the spindle reduction box is arranged on the base table and located at one end of the base table, the output end of the spindle reduction box is connected with the chuck, the chuck is used for clamping a workpiece, the spindle reduction box is used for driving the chuck and the workpiece to rotate, the tailstock is arranged on the base table and located at the other end of the base table, the tailstock is used for tightly pushing the workpiece, and the carrier roller is arranged between the spindle reduction box and the tailstock.

Furthermore, a T-shaped groove is formed in the base platform, the T-shaped groove is formed in the axial direction of the workpiece, the spindle reduction box comprises a reduction box main body and a first limiting part fixedly arranged on the reduction box main body, the carrier roller further comprises a second limiting part fixedly arranged on the base, the tailstock comprises a tailstock main body and a third limiting part fixedly arranged on the tailstock main body, and the first limiting part, the second limiting part and the third limiting part are respectively in sliding fit with the T-shaped groove and can slide along the axial direction of the workpiece relative to the T-shaped groove.

Further, the robot moving device comprises a lathe bed, a linear guide rail, a rack, a gear, a slide carriage assembly and a rotary driving device, wherein the linear guide rail is arranged on the lathe bed, the slide carriage assembly is arranged on the guide rail and is connected with the guide rail in a sliding mode, the robot is fixedly arranged on the slide carriage assembly, the rack is arranged on the lathe bed, the gear is arranged on the slide carriage assembly and is meshed with the rack, and the rotary driving device is arranged on the slide carriage assembly and is used for driving the gear to rotate.

Further, the robot further comprises a pipeline system, and the pipeline system is arranged on the robot.

Further, the powder feeder is used for conveying alloy powder to the cladding head.

The utility model provides a pair of laser cladding device has following beneficial effect:

firstly, the screw thread turning directions of the first nut seat and the second nut seat are opposite, the screw rod is in threaded connection with the first nut seat and the second nut seat, the screw rod is in rotational connection with the base, and the first nut seat and the second nut seat are arranged on the base and are in sliding connection with the base, so that the first nut seat and the second nut seat can be mutually closed or mutually far away by rotating the screw rod, the two rollers are driven to be mutually closed or mutually far away, workpieces with different diameters can be supported, the workpiece table can be used for processing workpieces with different diameters, and the application range of the workpiece table is enlarged.

Secondly, because the main shaft reduction box comprises a reduction box main body and a first limiting part fixedly arranged on the reduction box main body, the carrier roller further comprises a second limiting part fixedly arranged on the base, the tailstock comprises a tailstock main body and a third limiting part fixedly arranged on the tailstock main body, and the first limiting part, the second limiting part and the third limiting part are respectively in sliding fit with the T-shaped groove and can slide along the axial direction of the workpiece relative to the T-shaped groove, when the main shaft reduction box, the carrier roller and the tailstock move along the axial direction of the workpiece, the T-shaped groove can guide the main shaft reduction box, the carrier roller and the tailstock, so that the positioning accuracy of the main shaft reduction box, the carrier roller and the tailstock in the axial direction is improved. In addition, the distance among the main shaft reduction box, the carrier roller and the tailstock is adjustable, so that workpieces with different lengths can be supported, and the workpiece table can be used for processing workpieces with different lengths.

Drawings

Fig. 1 is a schematic structural diagram of a laser cladding apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a workpiece stage according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a workpiece table in an embodiment of the invention;

FIG. 4 is an enlarged, fragmentary view of the workpiece table of FIG. 3;

fig. 5 is a schematic structural diagram of a robot moving device according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a robot moving device according to an embodiment of the present invention.

Description of reference numerals:

100-a workpiece table; 110-a base station; 120-main shaft reduction box; 130-carrier rollers; 131-a base; 132-a screw rod; 133-a first nut seat; 134-a second nut seat; 135-a roller; 140-tailstock; 150-a chuck; 160-T type groove; 170-a second stop;

200-a robot; 300-a robotic mobile device; 310-a lathe bed; 320-a linear guide rail; 330-a rack; 340-a gear; 350-a slide carriage assembly; 360-a rotational drive; 410-a pipeline system; 411-a pipeline packet; 412-a dust removal pipe; 510-cladding head; 520-a powder feeder; 530-a laser; 540-electrical control cabinet; 550-robot control cabinet; 560-water chiller; 570-mobile operator station; 580-dust remover; 600-workpiece.

Detailed Description

The laser cladding device provided by the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

The utility model provides a workpiece table. Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a laser cladding apparatus according to an embodiment of the present invention, and fig. 2 is a schematic structural view of a workpiece stage 100 according to an embodiment of the present invention, where the workpiece stage 100 includes a base 110, a spindle reduction box 120, a carrier roller 130, a tailstock 140, and a chuck 150.

The spindle reduction box 120 is arranged on the base platform 110 and located at one end of the base platform 110, the output end of the spindle reduction box 120 is connected with the chuck 150, the chuck 150 is used for clamping a workpiece 600, and the spindle reduction box 120 is used for driving the chuck 150 and the workpiece 600 to rotate. The tailstock 140 is disposed on the base 110 and located at the other end of the base 110, and is used for tightly supporting the workpiece 600, so as to improve the stability of the workpiece 600. The carrier roller 130 is disposed on the base 110 between the spindle reducer 120 and the tailstock 140, and is used for supporting a workpiece 600.

Referring to fig. 2 and 3, fig. 3 is a cross-sectional view of the workpiece table 100 according to an embodiment of the present invention, and the supporting roller 130 includes a base 131, a screw 132, a first nut seat 133, a second nut seat 134, and two rollers 135. The base 131 is disposed on the base 110. The first nut seat 133 and the second nut seat 134 are disposed on the base 131 and slidably connected to the base 131, and the first nut seat 133 and the second nut seat 134 have opposite screw threads. The lead screw 132 is rotatably connected to the base 131, and the lead screw 132 is threadedly connected to the first nut holder 133 and the second nut holder 134. Two rollers 135 are respectively provided on the first nut holder 133 and the second nut holder 134, and the two rollers 135 cooperate to support a workpiece 600.

Because the screw thread directions of the first nut seat 133 and the second nut seat 134 are opposite, the screw rod 132 is in threaded connection with the first nut seat 133 and the second nut seat 134, the screw rod 132 is in rotational connection with the base 131, and the first nut seat 133 and the second nut seat 134 are arranged on the base 131 and are in sliding connection with the base 131, so that the first nut seat 133 and the second nut seat 134 can be drawn close to or away from each other by rotating the screw rod 132, the two rollers 135 can be driven to draw close to or away from each other, and further workpieces 600 with different sizes can be supported, so that the workpiece table 100 can be used for processing workpieces 600 with different sizes, and the application range of the workpiece table 100 is improved. As shown in fig. 2, the two rollers 135 may be moved toward each other or away from each other in a direction perpendicular to the axial direction of the workpiece 600, so that the workpiece table 100 can support workpieces 600 of different radial dimensions.

Referring to fig. 3 and 4, fig. 4 is a partially enlarged schematic view of the workpiece stage 100 in fig. 3, wherein a T-shaped groove 160 is disposed on the base stage 110, and the T-shaped groove 160 is disposed along an axial direction of the workpiece 600. The spindle reduction gearbox 120 includes a reduction gearbox body and a first limiting member fixedly disposed on the reduction gearbox body. The carrier roller 130 further includes a second limiting member 170, and the second limiting member 170 is fixedly disposed on the base 131. The tailstock 140 includes a tailstock body and a third limiting member fixedly disposed on the tailstock body. The first limiting member, the second limiting member 170 and the third limiting member are respectively in sliding fit with the T-shaped groove 160, and can slide along the axial direction of the workpiece 600 relative to the T-shaped groove 160. In this way, when the spindle reducer 120, the idler 130 and the tailstock 140 move in the axial direction of the workpiece 600, the T-shaped groove 160 can guide the spindle reducer 120, the idler 130 and the tailstock 140, so as to improve the positioning accuracy of the spindle reducer 120, the idler 130 and the tailstock 140 in the axial direction.

The spindle reduction box 120, the carrier roller 130 and the tailstock 140 move along the axial direction of the workpiece 600, and can be used for positioning shaft parts with different lengths.

As shown in fig. 3, the number of the T-shaped grooves 160 is three. The first, second and third limiting

members

170, 160 are disposed in the middle T-shaped groove. The workpiece table further includes fasteners for fixedly mounting the spindle reduction box 120, the carrier roller 130 and the tailstock 140 in the T-shaped grooves 160 at both sides.

The tailstock 140 is provided with a thimble, and the thimble is used for propping against the tail of the workpiece 600 so as to improve the stability of the workpiece 600.

The utility model also provides a laser cladding device. Referring to fig. 1, 5 and 6, fig. 5 is a schematic structural diagram of a robot moving device 300 according to an embodiment of the present invention, fig. 6 is a cross-sectional view of the robot moving device 300 according to an embodiment of the present invention, and the laser cladding device includes a robot 200, the robot moving device 300 and a workpiece stage 100 according to the above embodiment. The robot 200 is disposed on the robot moving device 300. The robot moving device 300 is used to drive the robot 200 to move in the axial direction of the workpiece 600.

Referring to fig. 5 and 6, the robot moving device 300 includes a bed 310, a linear guide 320, a rack 330, a pinion 340, a carriage assembly 350, and a rotation driving device 360. The linear guide rail 320 is arranged on the bed 310, the carriage assembly 350 is arranged on the guide rail and is in sliding connection with the guide rail, and the robot 200 is fixedly arranged on the carriage assembly 350. The rack 330 is disposed on the bed 310, and the gear 340 is disposed on the carriage assembly 350 and engaged with the rack 330. The rotation driving means 360 is provided on the carriage assembly 350 for driving the gear 340 to rotate. The rotation driving device 360 drives the gear 340 to rotate, and further drives the rack 330 to move relative to the gear 340, so as to drive the slide carriage assembly 350 to slide relative to the bed 310, thereby expanding the processing range of the robot 200.

The laser cladding apparatus further comprises a pipeline system 410, wherein the pipeline system 410 is arranged on the robot 200. The pipeline system 410 comprises a pipeline package 411 and a dust removal pipe 412, the pipeline package 411 comprising electrical cables and optical fibers.

The laser cladding device further comprises a cladding head 510, and the cladding head 510 is arranged on the robot 200.

The laser cladding apparatus further comprises a powder feeder 520, wherein the powder feeder 520 is used for conveying alloy powder to the cladding head 510. The alloy powder needs to be continuously, uniformly and stably delivered to cladding head 510.

The laser cladding apparatus further comprises a laser 530, the laser 530 being adapted to provide a laser beam.

The laser cladding apparatus further includes an electric control cabinet 540, a robot control cabinet 550, a water chiller 560, a mobile operation table 570, and a dust collector 580. The electrical control cabinet 540 is used to house controllers and communication equipment. The robot control cabinet 550 is used to control the robot 200. The water chiller 560 is used to cool the cladding head 510 and the laser 530. The mobile console 570 is used for equipment control and controlled programming. The dust remover 580 is connected with the dust removing pipe 412 and is used for treating smoke generated in the cladding process.

Compared with the prior art, the laser cladding device in the utility model has the advantages that:

firstly, because the screw thread directions of the first nut seat 133 and the second nut seat 134 are opposite, the screw rod 132 is in threaded connection with the first nut seat 133 and the second nut seat 134, the screw rod 132 is in rotational connection with the base 131, and the first nut seat 133 and the second nut seat 134 are arranged on the base 131 and are in sliding connection with the base 131, so that the first nut seat 133 and the second nut seat 134 can be moved close to or away from each other by rotating the screw rod 132, thereby driving the two rollers 135 to move close to or away from each other, and further supporting the workpieces 600 with different sizes, so that the workpiece table 100 can be used for processing workpieces 600 with different diameters, and the application range of the workpiece table 100 is improved.

Secondly, because the spindle reduction box 120 includes a reduction box main body and a first limiting member fixedly disposed on the reduction box main body, the carrier roller 130 further includes a second limiting member 170, the second limiting member 170 is fixedly disposed on the base 131, the tailstock 140 includes a tailstock main body and a third limiting member fixedly disposed on the tailstock main body, the first limiting member, the second limiting member 170, and the third limiting member are respectively in sliding fit with the T-shaped groove 160 and can slide along the axial direction of the workpiece 600 relative to the T-shaped groove 160, when the spindle reduction box 120, the carrier roller 130, and the tailstock 140 move along the axial direction of the workpiece 600, the T-shaped groove 160 can guide the spindle reduction box 120, the carrier roller 130, and the tailstock 140, so as to improve the positioning accuracy of the spindle reduction box 120, the carrier roller 130, and the tailstock 140 in the axial direction. In addition, the distance among the spindle reduction box 120, the carrier roller 130 and the tailstock 140 is made adjustable, so that workpieces 600 of different lengths can be supported, and the workpiece table 100 can be used for processing workpieces 600 of different lengths.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A laser cladding device is characterized by comprising a robot, a robot moving device, a workpiece table and a carrier roller, wherein the workpiece table is used for clamping a workpiece and driving the workpiece to rotate, the carrier roller is arranged on the workpiece table and used for supporting the workpiece, the robot is arranged on the robot moving device and used for driving the robot to move along the length direction of the workpiece, and the robot is used for fusing alloy powder and the surface of the workpiece together.

2. The laser cladding apparatus of claim 1, wherein said carrier roller comprises a base, a feed screw, a first nut seat, a second nut seat and two rollers, said base is disposed on said workpiece table, said first nut seat and said second nut seat are disposed on said base and slidably connected to said base, said first nut seat and said second nut seat have opposite screw threads, said feed screw is rotatably connected to said base, said feed screw is threadably connected to said first nut seat and said second nut seat, said two rollers are disposed on said first nut seat and said second nut seat, respectively, and said two rollers cooperate to support a workpiece.

3. The laser cladding device according to claim 2, wherein said workpiece stage comprises a base, a spindle reduction box, a tailstock and a chuck, said spindle reduction box is disposed on said base and located at one end of said base, an output end of said spindle reduction box is connected to said chuck, said chuck is used for clamping a workpiece, said spindle reduction box is used for driving said chuck and said workpiece to rotate, said tailstock is disposed on said base and located at the other end of said base, said tailstock is used for supporting a workpiece, and said carrier roller is disposed between said spindle reduction box and said tailstock.

4. The laser cladding device according to claim 3, wherein a T-shaped groove is provided on the base, the T-shaped groove is provided along an axial direction of the workpiece, the spindle reducer comprises a reducer body and a first limiting member fixedly provided on the reducer body, the carrier roller further comprises a second limiting member fixedly provided on the base, the tailstock comprises a tailstock body and a third limiting member fixedly provided on the tailstock body, and the first limiting member, the second limiting member and the third limiting member are respectively in sliding fit with the T-shaped groove and can slide along the axial direction of the workpiece relative to the T-shaped groove.

5. The laser cladding apparatus according to claim 1, wherein said robot moving means comprises a bed, a linear guide disposed on said bed, a rack, a gear, a carriage assembly disposed on said linear guide and slidably connected to said linear guide, and a rotary driving means disposed on said carriage assembly for driving said gear to rotate.

6. The laser cladding apparatus of claim 5, further comprising a pipeline system disposed on said robot.

7. The laser cladding apparatus of claim 6, further comprising a powder feeder for feeding alloy powder to the cladding head.