CN219670651U - Laser cladding device for repairing compressor crankshaft - Google Patents

Abstract

The utility model relates to the technical field of crankshaft repair and discloses a laser cladding device for repairing a compressor crankshaft, which comprises a machining table with a hollow structure, a laser arranged above the machining table and a mechanical arm for driving the laser to move, wherein rectangular openings are symmetrically formed in the top of the machining table, two symmetrical brackets are arranged in the rectangular openings, rollers are installed in the brackets in a rotating mode, a driving assembly for driving the rollers to rotate is arranged in the machining table, a sliding plate is installed in the machining table, a gap adjusting assembly is installed between the sliding plate and the brackets, frames are installed at positions, close to two ends, of the machining table, and limit adjusting mechanisms are installed in the frames. The utility model not only facilitates the positioning of crankshafts of different types, but also enables the crankshafts to rotate in the repairing process, thereby being beneficial to improving the repairing applicability of the compressor crankshafts.

Description

Laser cladding device for repairing compressor crankshaft

Technical Field

The utility model relates to the technical field of crankshaft repair, in particular to a laser cladding device for repairing a compressor crankshaft.

Background

The crankshaft is an important part of the engine, receives the force transmitted by the connecting rod through the crankshaft, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, but is scrapped due to friction, scratch, cracks and the like on the surface of a journal in the process of using the crankshaft, so that huge economic waste is caused.

In the patent of Chinese patent grant number CN212533128U, a laser cladding device for repairing a compressor crankshaft is disclosed, the position of a limiting block is changed through an adjusting rod, so that the position of a crankshaft body is fixed through the limiting block and a rotating device, and meanwhile, the crankshaft body can also rotate freely under the action of a rotating shaft, but the technical scheme still has the following defects:

the compressor crankshafts can be divided into different types, and the shaft diameter sizes of the two ends of the crankshafts of different types are different to a certain extent, so that the compressor crankshafts of different types cannot be fixed through the limiting blocks and the rotating device, and certain limitations exist.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a laser cladding device for repairing a compressor crankshaft.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a laser cladding device for restoration of compressor bent axle, includes hollow structure's processing platform, is located the laser instrument of processing platform top and is used for driving the arm of laser instrument motion, the rectangle mouth has been seted up to the top symmetry of processing platform, be equipped with two symmetrical supports in the rectangle mouth, the gyro wheel is installed to the support internal rotation, be equipped with in the processing platform and be used for driving gyro wheel pivoted actuating assembly, and install the slide in the processing platform, install clearance adjustment subassembly between slide and the support, the frame is all installed to the position department that the processing platform is close to both ends, install spacing adjustment mechanism in the frame.

Preferably, the driving assembly comprises a motor arranged at the end part of the sliding plate, a rotating rod is arranged at the output end of the motor, a driving wheel sleeved on the rotating rod is arranged below the rectangular opening, a belt pulley coaxially connected with the roller is arranged at one side of the bracket, and a belt is sleeved between the driving wheel and the belt pulley.

Preferably, the clearance adjustment assembly comprises a guide post arranged in the rectangular opening, the support is sleeved on the guide post in a sliding manner, an L-shaped frame is arranged at the bottom of the support, a connecting rod is hinged to the bottom end of the L-shaped frame, a vertical rod is hinged to the other end of the connecting rod, the vertical rod is fixedly arranged on the sliding plate, and a hydraulic cylinder for controlling the sliding plate to lift is arranged in the processing table.

Preferably, the limit adjusting mechanism comprises a sliding sleeve arranged in the frame in a sliding manner, a limit column is arranged in the sliding sleeve in a sliding manner, a U-shaped frame is arranged on one side of the sliding sleeve in a penetrating manner, a first screw rod in threaded connection with the U-shaped frame is rotatably arranged at one end of the limit column, and a second screw rod in threaded connection with the top end of the frame is rotatably arranged at the top of the sliding sleeve.

Preferably, the ball is inlayed and installed to the one end that spacing post kept away from first screw rod.

Preferably, the roller is fixedly sleeved with a matched anti-slip ferrule.

Compared with the prior art, the utility model provides the laser cladding device for repairing the compressor crankshaft, which has the following beneficial effects:

1. this laser cladding device for compressor bent axle restoration conveniently supports the tip of bent axle through the gyro wheel that rectangular mouth top symmetry set up, and drive assembly cooperation clearance adjustment subassembly not only conveniently adjusts the interval between two gyro wheels, utilizes the gyro wheel to carry out the centre gripping to the tip of different model bent axles, conveniently utilizes the gyro wheel to drive the bent axle moreover and rotates, and the laser instrument on the cooperation arm is convenient to restore the bent axle of different models.

2. The laser cladding device for repairing the crankshaft of the compressor is convenient to axially limit the two ends of the crankshaft to be repaired through the frame and the limit adjusting mechanism, so that the crankshaft cannot axially move in the repairing process, and the position stability is improved.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the crankshafts with different types can be conveniently positioned, the crankshafts can rotate in the repairing process, and the repairing applicability of the compressor crankshafts is improved.

Drawings

FIG. 1 is a schematic structural diagram of a laser cladding device for repairing a compressor crankshaft;

FIG. 2 is a schematic top view of the connection part of the roller and the processing table in the present utility model;

fig. 3 is a perspective view of a connection portion between a limit post and a frame in the present utility model.

In the figure: 1. a processing table; 2. a laser; 3. a mechanical arm; 4. a rectangular opening; 5. a roller; 6. a slide plate; 7. a frame; 8. a motor; 9. a rotating rod; 10. a driving wheel; 11. a belt pulley; 12. a guide post; 13. a connecting rod; 14. a vertical rod; 15. a hydraulic cylinder; 16. a sliding sleeve; 17. a limit column; 18. a U-shaped frame; 19. a first screw; 20. a second screw; 21. and (3) rolling balls.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-2, a laser cladding device for repairing a compressor crankshaft comprises a processing table 1 with a hollow structure, a laser 2 positioned above the processing table 1 and a mechanical arm 3 for driving the laser 2 to move (the mechanical arm 3 moves to be not repeated in the prior art), wherein a rectangular opening 4 is symmetrically formed in the top of the processing table 1, two symmetrical brackets are arranged in the rectangular opening 4, a roller 5 is installed in the brackets, a matched anti-slip ferrule is fixedly sleeved on the roller 5, friction between the roller 5 and the crankshaft is improved, a driving assembly for driving the roller 5 to rotate is arranged in the processing table 1, and a sliding plate 6 is installed in the processing table 1.

Referring to fig. 1-2, the driving assembly comprises a motor 8 arranged at the end part of a sliding plate 6, a rotating rod 9 is arranged at the output end of the motor 8, a driving wheel 10 sleeved on the rotating rod 9 is arranged below the rectangular opening 4, the starting motor 8 conveniently drives the rotating rod 9 and the driving wheel 10 to rotate, a belt pulley 11 coaxially connected with the roller 5 is arranged on one side of the support, a belt is sleeved between the driving wheel 10 and the belt pulley 11, the belt pulley 11 and the roller 5 are conveniently driven to synchronously rotate by matching with the belt in the rotation process of the driving wheel 10, and accordingly, a crankshaft is driven to rotate conveniently and uniformly laser cladding repair is carried out.

Referring to fig. 1, a gap adjusting assembly is installed between a slide plate 6 and a support, the gap adjusting assembly comprises a guide post 12 installed in a rectangular opening 4, the support is sleeved on the guide post 12 in a sliding manner, an L-shaped frame is installed at the bottom of the support, a connecting rod 13 is hinged to the bottom end of the L-shaped frame, a vertical rod 14 is hinged to the other end of the connecting rod 13, the vertical rod 14 is fixedly installed on the slide plate 6, a hydraulic cylinder 15 for controlling the slide plate 6 to lift is installed in a processing table 1, and the distance between rollers 5 is adjusted by lifting of the slide plate 6 conveniently so as to conveniently clamp and position crankshaft ends of different models.

Referring to fig. 2-3, the frame 7 is installed in the position department that the processing platform 1 is close to both ends, install spacing adjustment mechanism in the frame 7, spacing adjustment mechanism includes sliding sleeve 16 that sets up in the frame 7, the top rotation of sliding sleeve 16 is installed with frame 7 top threaded connection's second screw rod 20, conveniently control sliding sleeve 16 and go up and down, sliding sleeve 16 is interior to slide and wear to be equipped with spacing post 17, and U-shaped frame 18 is installed to one side of sliding sleeve 16, the one end rotation of spacing post 17 install with U-shaped frame 18 threaded connection's first screw rod 19, conveniently control spacing post 17 and control the removal about, the one end that spacing post 17 kept away from first screw rod 19 is inlayed and is installed ball 21, reduce the frictional force between spacing post 17 and the bent axle tip.

Working principle: the crankshaft to be repaired is hoisted to the upper part of the processing table 1, the crankshaft is controlled to gradually descend, meanwhile, the hydraulic cylinder 15 is started to drive the sliding plate 6 to descend, the support can slide along the guide post 12 in opposite directions by the aid of the hinged connecting rod 13, the end part of the crankshaft can be supported and clamped by the idler wheels 5 (the distance between the two idler wheels 5 is smaller than the diameter of the end part of the crankshaft), the sliding sleeve 16 is driven to ascend and descend by the rotating second screw 20, the limiting post 17 corresponds to the end part of the crankshaft, the first screw 19 is rotated to drive the limiting post 17 to move so that balls at the end part of the limiting post are in contact with the end part of the crankshaft, the crankshaft can be axially limited, the starting motor 8 drives the rotating rod 9 and the driving wheel 10 to rotate, the belt is matched with the belt to drive the belt pulley 11 and the idler wheels 5 to rotate synchronously in the rotating process of the driving wheel 10, the mechanical arm 3 drives the laser 2 to be close to the position of the crankshaft to be repaired, and the laser 2 is started to work to perform repairing work.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a compressor bent axle is restoreed and is used laser cladding device, includes hollow structure's processing platform, is located the laser instrument of processing platform top and is used for driving the arm of laser instrument motion, a serial communication port, the rectangle mouth has been seted up to the top symmetry of processing platform, be equipped with two symmetrical supports in the rectangle mouth, the gyro wheel is installed to the support internal rotation, be equipped with in the processing platform and be used for driving gyro wheel pivoted actuating unit, and install the slide in the processing platform, install clearance adjustment subassembly between slide and the support, the frame is all installed to the position department that the processing platform is close to both ends, install spacing adjustment mechanism in the frame.

2. The laser cladding device for repairing the crankshaft of the compressor according to claim 1, wherein the driving assembly comprises a motor arranged at the end part of the sliding plate, a rotating rod is arranged at the output end of the motor, a driving wheel sleeved on the rotating rod is arranged below the rectangular opening, a belt pulley coaxially connected with the roller is arranged at one side of the bracket, and a belt is sleeved between the driving wheel and the belt pulley.

3. The laser cladding device for repairing the crankshaft of the compressor according to claim 1, wherein the gap adjusting assembly comprises a guide post arranged in a rectangular opening, the support is sleeved on the guide post in a sliding manner, an L-shaped frame is arranged at the bottom of the support, a connecting rod is hinged to the bottom end of the L-shaped frame, a vertical rod is hinged to the other end of the connecting rod, the vertical rod is fixedly arranged on the sliding plate, and a hydraulic cylinder for controlling the sliding plate to lift is arranged in the processing table.

4. The laser cladding device for repairing the crankshaft of the compressor according to claim 1, wherein the limit adjusting mechanism comprises a sliding sleeve arranged in the frame in a sliding manner, a limit column is arranged in the sliding sleeve in a sliding manner, a U-shaped frame is arranged on one side of the sliding sleeve in a sliding manner, a first screw rod in threaded connection with the U-shaped frame is rotatably arranged at one end of the limit column, and a second screw rod in threaded connection with the top end of the frame is rotatably arranged at the top of the sliding sleeve.

5. The laser cladding device for repairing a compressor crankshaft according to claim 4, wherein a ball is mounted on one end of the limiting column away from the first screw in an embedded manner.

6. The laser cladding device for repairing a compressor crankshaft according to claim 1, wherein the roller is fixedly sleeved with a matched anti-slip ferrule.