CN218169820U - Laser cladding and polishing device for piston shaft - Google Patents

Abstract

The application relates to a piston shaft laser cladding and polishing device, which comprises a conveying mechanism, a laser cladding mechanism, a polishing mechanism and a tray mechanism, wherein the tray mechanism bears a piston shaft, the tray mechanism is movably arranged on the conveying mechanism, the laser cladding mechanism and the polishing mechanism are sequentially arranged on the conveying mechanism along the conveying direction of the conveying mechanism, and the laser cladding mechanism performs laser cladding on the piston shaft under the condition that the conveying mechanism drives the tray mechanism to move to a first position; and under the condition that the conveying mechanism drives the tray mechanism to move to the second position, the polishing mechanism polishes the piston shaft, wherein the first position and the second position are sequentially arranged along the conveying direction. According to the scheme, the problem that the repairing processes in the related technology are manual operations, time and labor are wasted, so that the repairing time of the piston shaft is too long, and the laser cladding efficiency and the polishing efficiency of the piston shaft are low is solved.

Description

Laser cladding and polishing device for piston shaft

Technical Field

The utility model relates to a piston shaft repair technique field especially relates to a piston shaft laser cladding and grinding device.

Background

The hydraulic support is a structure used for controlling mine pressure of a coal face, wherein a hydraulic cylinder in the hydraulic support is easy to damage, the surface of a piston shaft is easy to damage to reduce roughness, laser cladding, namely laser cladding or laser cladding, is a novel surface modification repair technology when the piston shaft in the hydraulic cylinder is repaired by a laser cladding technology, cladding materials are added on the surface of the piston shaft, and laser beams with high energy density are fused together with a thin layer on the surface of the piston shaft, so that a metallurgically bonded feeding cladding layer can be formed on the surface of the piston shaft, and the purpose of repairing the surface of the piston shaft is achieved.

Among the correlation technique, the staff need carry out laser cladding with the piston axle one by one and restore, then remove the piston axle to the grinding machine and polish the processing, above-mentioned in-process staff not only need make a round trip to carry the piston axle, still need do the preparation work of placing the piston axle in laser cladding device and grinding device in proper order, waste time and energy to lead to the repair time overlength of piston axle, thereby lead to the laser cladding efficiency and the efficiency of polishing of piston axle lower.

SUMMERY OF THE UTILITY MODEL

Based on this, provide a piston shaft laser cladding and grinding device to the repair process who solves among the correlation technique all is manual operation, wastes time and energy, thereby leads to the repair time overlength of piston shaft, thereby leads to the lower problem of laser cladding efficiency of piston shaft and efficiency of polishing.

A piston shaft laser cladding and polishing device comprises a conveying mechanism, a laser cladding mechanism, a polishing mechanism and a tray mechanism, wherein the tray mechanism bears a piston shaft, the tray mechanism is movably arranged on the conveying mechanism, the laser cladding mechanism and the polishing mechanism are sequentially arranged on the conveying mechanism along the conveying direction of the conveying mechanism, and the laser cladding mechanism performs laser cladding on the piston shaft under the condition that the conveying mechanism drives the tray mechanism to move to a first position; under the condition that the conveying mechanism drives the tray mechanism to move to a second position, the polishing mechanism polishes the piston shaft, wherein the first position and the second position are sequentially arranged along the conveying direction.

Preferably, in the above-mentioned piston shaft laser cladding and grinding device, conveying mechanism includes casing, driving motor, transmission shaft, first gear, second gear, first drive chain and second drive chain, laser cladding mechanism with grinding mechanism follows conveying mechanism's direction of delivery sets gradually on the casing, the inner chamber has been seted up to the casing, first gear the second gear the first drive chain with second drive chain all is located in the inner chamber, driving motor set up in the inner chamber, the transmission shaft rotationally set up in the inner chamber, driving motor with the transmission shaft rotates and links to each other, the one end of transmission shaft with first gear links to each other, first gear with first drive chain meshing cooperation, the other end of transmission shaft with the second gear links to each other, the second gear with second drive chain meshing cooperation, the one end of tray mechanism with first drive chain links to each other, the other end of tray mechanism with second drive chain links to each other, under driving motor drive the circumstances that the transmission shaft rotates, first gear with second drive chain rotates with the transmission shaft, first gear rotates with the second drive chain along with the second drive chain, the second drive chain rotates with the transmission chain, the second drive chain follows along with the transmission chain and the transmission chain rotates with the second drive mechanism.

Preferably, in the above laser cladding and polishing device for the piston shaft, the tray mechanism includes a tray main body, a first driving member and a clamping member, the tray main body is movably disposed on the conveying mechanism, the first driving member is disposed on the tray main body, the first driving member is rotatably connected to the clamping member, the clamping member clamps the piston shaft, and when the conveying mechanism drives the tray mechanism to move to the first position, the first driving member drives the clamping member to rotate, and the piston shaft rotates along with the clamping member; under the condition that the conveying mechanism drives the tray mechanism to move to the second position, the first driving piece drives the clamping piece to rotate, and the piston shaft rotates along with the clamping piece.

Preferably, in the laser cladding and polishing device for the piston shaft, the tray mechanism further includes a second driving part and a limiting part, the second driving part is disposed on the tray main body, the second driving part is connected with the limiting part, the clamping part clamps one end of the piston shaft, the second driving part drives the limiting part to move to a position where the other end of the piston shaft is in abutting fit, and the clamping part is opposite to the limiting part along the central axis of the piston shaft.

Preferably, in the above-mentioned piston shaft laser cladding and polishing device, the laser cladding mechanism includes a first support, a third driving part and a laser cladding part, the first support is disposed on the conveying mechanism, the third driving part is disposed on the first support, the third driving part is connected to the laser cladding part, the laser cladding part performs laser cladding on the piston shaft under the condition that the conveying mechanism drives the tray mechanism to move to the first position, and the third driving part drives the laser cladding part to move along the central axis of the piston shaft.

Preferably, in the above-mentioned piston shaft laser cladding and polishing device, the polishing mechanism includes a second support, a fourth driving member and a polishing member, the second support is disposed on the conveying mechanism, the fourth driving member is disposed on the second support, the fourth driving member is connected to the polishing member, the polishing member is in contact with the piston shaft under the condition that the conveying mechanism drives the tray mechanism to move to the second position, and the fourth driving member drives the polishing member to move along the central axis of the piston shaft.

Preferably, in the above-mentioned piston shaft laser cladding and grinding device, the laser cladding mechanism further includes a smoke remover, the smoke remover set up in on the laser cladding piece, conveying mechanism drive the tray mechanism move to under the condition of first position department, the smoke remover starts, the smoke remover is used for handling the flue gas that the laser cladding piece produced in the laser cladding process, the smoke remover follows the laser cladding piece removes.

Preferably, in the laser cladding and polishing device for the piston shaft, the number of the tray mechanisms is multiple, the tray mechanisms are sequentially arranged on the conveying mechanism along the conveying direction of the conveying mechanism, and any one of the tray mechanisms bears the piston shaft.

Preferably, in the above-mentioned piston shaft laser cladding and grinding device, the laser cladding mechanism further includes a guide rail, the guide rail set up in on the first support, be provided with the slider on the laser cladding piece, the slider with guide rail sliding fit.

The technical scheme adopted by the application can achieve the following beneficial effects:

the piston shaft laser cladding and polishing device comprises a conveying mechanism, a laser cladding mechanism, a polishing mechanism and a tray mechanism, wherein the tray mechanism bears a piston shaft, the tray mechanism is movably arranged on the conveying mechanism, the laser cladding mechanism and the polishing mechanism are sequentially arranged on the conveying mechanism along the conveying direction of the conveying mechanism, and the laser cladding mechanism performs laser cladding on the piston shaft under the condition that the conveying mechanism drives the tray mechanism to move to a first position; and under the condition that the conveying mechanism drives the tray mechanism to move to the second position, the polishing mechanism polishes the piston shaft. Above-mentioned structure can avoid staff's manual operation to accomplish above-mentioned operation and lead to wasting time and energy, and conveying mechanism can drive tray mechanism and remove the purpose that reaches the piston axle and remove, and the rethread carries out integrated design with conveying mechanism, laser cladding mechanism, grinding machanism and tray mechanism to realize the automatic laser cladding operation and the grinding operation of piston axle, and then improve the laser cladding efficiency and the grinding efficiency of piston axle.

Drawings

Fig. 1 is a schematic structural view of a piston shaft laser cladding and polishing device disclosed in an embodiment of the present application;

fig. 2 is a top view of a piston shaft laser cladding and polishing device disclosed in an embodiment of the present application;

FIG. 3 is a cross-sectional view of FIG. 1 at a first angle;

FIG. 4 is a cross-sectional view of FIG. 1 at a second angle;

FIG. 5 is a cross-sectional view of FIG. 1 at a third angle;

fig. 6 is a cross-sectional view of fig. 1 at a fourth angle.

Wherein: the laser cladding device comprises a conveying mechanism 100, a housing 110, a driving motor 120, a transmission shaft 130, a first gear 140, a second gear 150, a first transmission chain 160, a second transmission chain 170, a driven shaft 180, a grinding mechanism 300, a second bracket 310, a fourth driving part 320, a grinding part 330, a laser cladding mechanism 400, a first bracket 410, a third driving part 420, a laser cladding part 430, a tray mechanism 600, a tray main body 610, a first driving part 620, a clamping part 630, a second driving part 640 and a limiting part 650.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, the present application discloses a piston shaft laser cladding and polishing apparatus, which includes a conveying mechanism 100, a laser cladding mechanism 400, a polishing mechanism 300, and a tray mechanism 600.

The conveying mechanism 100 is a conveying functional component of the piston shaft laser cladding and polishing device, and the conveying mechanism 100 can be a belt conveying mechanism, a roller conveying mechanism and the like, and the application is not limited at all; the laser cladding mechanism 400 is used for performing laser cladding processing on the surface of the piston shaft, the polishing mechanism 300 is a polishing functional component of the piston shaft laser cladding and polishing device, and the tray mechanism 600 can be used for bearing the piston shaft.

Specifically, the tray mechanism 600 carries the piston shaft, the tray mechanism 600 is movably arranged on the conveying mechanism 100, the laser cladding mechanism 400 and the polishing mechanism 300 are sequentially arranged on the conveying mechanism 100 along the conveying direction of the conveying mechanism 100, and under the condition that the conveying mechanism 100 drives the tray mechanism 600 to move to the first position, the laser cladding mechanism 400 performs laser cladding on the piston shaft; the grinding mechanism 300 grinds the piston shaft with the conveying mechanism 100 driving the tray mechanism 600 to move to a second position, wherein the first position and the second position are sequentially arranged in the conveying direction.

In the using process of the piston shaft laser cladding and polishing device, a worker places the piston shaft on the tray mechanism 600, the tray mechanism 600 is movably arranged on the conveying mechanism 100, the conveying mechanism 100 can drive the tray mechanism 600 to move, the piston shaft moves along with the tray mechanism 600, and under the condition that the conveying mechanism 100 drives the tray mechanism 600 to move to the first position, the piston shaft is opposite to the laser cladding mechanism 400 and the laser cladding mechanism 400 carries out laser cladding operation on the piston shaft; in the case where the conveying mechanism 100 drives the tray mechanism 600 to move to the second position, the grinding mechanism 300 can grind the piston shaft, thereby improving the roughness of the surface of the piston shaft.

The piston shaft laser cladding and polishing device comprises a conveying mechanism 100, a laser cladding mechanism 400, a polishing mechanism 300 and a tray mechanism 600, wherein the tray mechanism 600 bears a piston shaft, the tray mechanism 600 is movably arranged on the conveying mechanism 100, the laser cladding mechanism 400 and the polishing mechanism 300 are sequentially arranged on the conveying mechanism 100 along the conveying direction of the conveying mechanism 100, and the laser cladding mechanism 400 performs laser cladding on the piston shaft under the condition that the conveying mechanism 100 drives the tray mechanism 600 to move to a first position; the grinding mechanism 300 grinds the piston shaft with the conveying mechanism 100 driving the tray mechanism 600 to move to the second position. Above-mentioned structure can avoid staff's manual operation to accomplish above-mentioned operation and lead to wasting time and energy, and conveying mechanism 100 can drive tray mechanism 600 and remove and reach the purpose that the piston axle removed, and the rethread carries out integrated design with conveying mechanism 100, laser cladding mechanism 400, polishing mechanism 300 and tray mechanism 600 to realize the automatic laser cladding operation and the operation of polishing of piston axle, and then improve the laser cladding efficiency and the efficiency of polishing of piston axle.

In this embodiment, the conveying mechanism 100 may include a housing 110, a driving motor 120, a transmission shaft 130, a first gear 140, a second gear 150, a first transmission chain 160, and a second transmission chain 170, and specifically, the laser cladding mechanism 400 and the polishing mechanism 300 may be sequentially disposed on the housing 110 along a conveying direction of the conveying mechanism 100, the housing 110 may be provided with an inner cavity, the first gear 140, the second gear 150, the first transmission chain 160, and the second transmission chain 170 may be all located in the inner cavity, the driving motor 120 is disposed in the inner cavity, the transmission shaft 130 is rotatably disposed in the inner cavity, so that the housing 110 may provide protection for the driving motor 120, the transmission shaft 130, the first gear 140, the second gear 150, the first transmission chain 160, and the second transmission chain 170, the driving motor 120 may be rotatably connected to the transmission shaft 130, one end of the transmission shaft 130 may be connected to the first gear 140, the first gear 140 may be engaged to the first transmission chain 160, the other end of the transmission shaft 130 may be connected to the second gear 150, the second gear 150 may be engaged to the second transmission chain 170, one end of the tray mechanism 600 may be connected to the second transmission chain 600, and the tray mechanism 170.

In the case that the driving motor 120 drives the transmission shaft 130 to rotate, the first gear 140 and the second gear 150 rotate with the transmission shaft 130, the first transmission chain 160 rotates with the first gear 140, the second transmission chain 170 rotates with the second gear 150, and the tray mechanism 600 moves as the first transmission chain 160 and the second transmission chain 170 rotate.

In the above structure, the driving motor 120 can drive the transmission shaft 130 to rotate, because one end of the transmission shaft 130 can be connected to the first gear 140, and the other end of the transmission shaft 130 can be connected to the second gear 150, so that the first gear 140 and the second gear 150 can rotate at the same rotation speed, and at the same time, the first gear 140 is meshed with the first transmission chain 160, and the second gear 150 is meshed with the second transmission chain 170, so that the first transmission chain 160 and the second transmission chain 170 can rotate synchronously, and because one end of the tray mechanism 600 can be connected to the first transmission chain 160, the other end of the tray mechanism 600 can be connected to the second transmission chain 170, and both ends of the tray mechanism 600 can be subjected to two same driving forces, so that the tray mechanism 600 can move stably, and meanwhile, the matching precision of the above structure is low, thereby facilitating the assembly of the conveying mechanism 100 by the worker.

In addition, the conveying mechanism 100 further includes a driven shaft 180, specifically, one end of the driven shaft 180 may be provided with a third gear, the other end of the driven shaft 180 may be provided with a fourth gear, the driven shaft 180 is rotatably disposed in the inner cavity, the third gear may be engaged with the first transmission chain 160, and the fourth gear may be engaged with the second transmission chain 170. The above structure enables the first and second transmission chains 160 and 170 to obtain supporting force from the first, second, third and fourth gears 140, 150, 170, so that the rotation of the first and second transmission chains 160 and 170 can be more stable, and the movement of the piston shaft can be more stable.

In the embodiment of the present application, the tray mechanism 600 may include a tray main body 610, a first driving member 620, and a clamping member 630, specifically, the tray main body 610 may be movably disposed on the conveying mechanism 100, the first driving member 620 may be disposed on the tray main body 610, the first driving member 620 may be rotatably connected to the clamping member 630, the clamping member 630 may clamp a piston shaft, in a case where the conveying mechanism 100 drives the tray mechanism 600 to move to the first position, the first driving member 620 may drive the clamping member 630 to rotate, and the piston shaft may rotate with the clamping member 630; in the case where the conveyor mechanism 100 drives the tray mechanism 600 to move to the second position, the first driving member 620 drives the gripper 630 to rotate, and the piston shaft rotates with the gripper 630.

In the using process of the piston shaft laser cladding and polishing device, under the condition that the conveying mechanism 100 drives the tray mechanism 600 to move to the first position, the first driving piece 620 can drive the clamping piece 630 to rotate, and the piston shaft can rotate along with the clamping piece 630, so that the laser cladding mechanism 400 can laser clad a larger surface area of the piston shaft, and the laser cladding effect of the laser cladding mechanism 400 on the piston shaft is improved; under the condition that the conveying mechanism 100 drives the tray mechanism 600 to move to the second position, the first driving part 620 drives the clamping piece 630 to rotate, and the piston shaft rotates along with the clamping piece 630, so that the polishing mechanism 300 can polish a larger surface area of the piston shaft, and the polishing effect of the polishing mechanism 300 on the piston shaft is improved.

In a further embodiment, the tray mechanism 600 may further include a second driving element 640 and a limiting element 650, specifically, the second driving element 640 may be disposed on the tray main body 610, the second driving element 640 may be connected to the limiting element 650, the clamping element 630 may clamp one end of the piston shaft, the second driving element 640 may drive the limiting element 650 to move to be in abutting engagement with the other end of the piston shaft, and the clamping element 630 may be opposite to the limiting element 650 along a central axis of the piston shaft.

In the above structure, the clamping member 630 clamps one end of the piston shaft, the second driving member 640 drives the limiting member 650 to move to be in abutting engagement with the other end of the piston shaft, and the clamping member 630 is engaged with the limiting member 650, so that the piston shaft can be stably supported by the tray mechanism 600.

In this embodiment of the application, the laser cladding mechanism 400 may include a first support 410, a third drive 420, and a laser cladding member 430, and specifically, the first support 410 may be disposed on the conveying mechanism 100, the third drive 420 may be disposed on the first support 410, and the third drive 420 may be connected to the laser cladding member 430, and in a case where the conveying mechanism 100 drives the tray mechanism 600 to move to the first position, the laser cladding member 430 laser-claddes the piston shaft, and the third drive 420 drives the laser cladding member 430 to move along the central axis of the piston shaft.

In the using process of the piston shaft laser cladding and polishing device, under the condition that the conveying mechanism 100 drives the tray mechanism 600 to move to the first position, the laser cladding piece 430 is started, the laser cladding piece 430 performs laser cladding on the piston shaft, and the third driving piece 420 drives the laser cladding piece 430 to move along the central axis of the piston shaft, so that the laser cladding piece 430 can perform laser cladding on the larger surface area of the piston shaft, and the laser cladding effect of the laser cladding mechanism 400 on the piston shaft is improved.

In addition, the third driving member 420 may be a driving cylinder, a motor rack assembly, an electro-deformable member, etc., without any limitation to this application.

In the embodiment of the present application, the polishing mechanism 300 may include a second frame 310, a fourth driving member 320, and a polishing member, specifically, the second frame 310 may be disposed on the conveying mechanism 100, the fourth driving member 320 may be disposed on the second frame 310, and the fourth driving member 320 may be connected to the polishing member, in a case where the conveying mechanism 100 drives the tray mechanism 600 to move to the second position, the polishing member contacts the piston shaft, and the fourth driving member 320 drives the polishing member to move along the central axis of the piston shaft.

In piston shaft laser cladding and grinding device's use, under the condition that conveying mechanism 100 drive tray mechanism 600 removed to second position department, the piece of polishing and piston shaft contact, the piece of polishing moves on the central axis of piston shaft is followed to the drive of fourth drive piece 320 to make the piece of polishing can polish the bigger surface area of piston shaft, thereby improve the effect of polishing of grinding mechanism 300 to the piston shaft.

In addition, the fourth driving member 320 may be a driving cylinder, a driving motor, an electro-deformable member, etc., without any limitation to this application, and the polishing member may be a grinding wheel, a resin wheel, a diamond grinding head, etc., without any limitation to this application.

In this embodiment, the laser cladding mechanism 400 may further include a smoke remover, and specifically, the smoke remover may be disposed on the laser cladding member 430, and the smoke remover is configured to treat smoke generated when the laser cladding member 430 covers the piston shaft, and when the conveying mechanism 100 drives the tray mechanism 600 to move to the first position, the smoke remover is started, and the smoke remover moves along with the laser cladding member 430.

Under the condition that conveying mechanism 100 drives tray mechanism 600 to move to the first position department, above-mentioned structure cooperates laser cladding piece 430 through the smoke eliminator to realize the flue gas of laser cladding in-process and handle to guarantee piston shaft laser cladding and grinding device's environmental protection effect.

In the embodiment of the present application, the tray mechanism 600 may be plural, and specifically, the tray mechanisms 600 may be sequentially disposed on the conveying mechanism 100 along the conveying direction of the conveying mechanism 100, and any one of the tray mechanisms 600 carries the piston shaft. Wherein, a plurality of tray mechanism 600 can bear a plurality of piston axles to satisfy piston axle laser cladding and grinding device and carry out operation one by one to a plurality of piston axles, thereby make staff's interval a period come to observe piston axle laser cladding and grinding device's behavior, also avoid the staff to need observe piston axle laser cladding and grinding device's behavior all the time, thereby practice thrift staff's time.

In this embodiment, the laser cladding mechanism 400 may further include a guide rail, specifically, the guide rail may be disposed on the first support 410, and the laser cladding member 430 is provided with a slider, which is in sliding fit with the guide rail, so that the above structure ensures stable movement of the laser cladding member 430 when the conveying mechanism 100 drives the tray mechanism 600 to move to the first position.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. A piston shaft laser cladding and polishing device is characterized by comprising a conveying mechanism, a laser cladding mechanism, a polishing mechanism and a tray mechanism, wherein the tray mechanism bears a piston shaft, the tray mechanism is movably arranged on the conveying mechanism, the laser cladding mechanism and the polishing mechanism are sequentially arranged on the conveying mechanism along the conveying direction of the conveying mechanism, and the laser cladding mechanism performs laser cladding on the piston shaft under the condition that the conveying mechanism drives the tray mechanism to move to a first position; under the condition that the conveying mechanism drives the tray mechanism to move to a second position, the polishing mechanism polishes the piston shaft, wherein the first position and the second position are sequentially arranged along the conveying direction.

2. The piston shaft laser cladding and polishing device according to claim 1, wherein the conveying mechanism comprises a housing, a driving motor, a transmission shaft, a first gear, a second gear, a first transmission chain and a second transmission chain, the laser cladding mechanism and the polishing mechanism are sequentially arranged on the housing along the conveying direction of the conveying mechanism, the housing is provided with an inner cavity, the first gear, the second gear, the first transmission chain and the second transmission chain are all located in the inner cavity, the driving motor is arranged in the inner cavity, the transmission shaft is rotatably arranged in the inner cavity, the driving motor is rotatably connected with the transmission shaft, one end of the transmission shaft is connected with the first gear, the first gear is meshed with the first transmission chain, the other end of the transmission shaft is connected with the second gear, the second gear is meshed with the second transmission chain, one end of the tray mechanism is connected with the first transmission chain, and the other end of the tray mechanism is connected with the second transmission chain,

under the condition that the driving motor drives the transmission shaft to rotate, the first gear and the second gear rotate along with the transmission shaft, the first transmission chain rotates along with the first gear, the second transmission chain rotates along with the second gear, and the tray mechanism moves along with the rotation of the first transmission chain and the second transmission chain.

3. The piston shaft laser cladding and grinding device according to claim 1, wherein the tray mechanism comprises a tray main body, a first driving member and a clamping member, the tray main body is movably arranged on the conveying mechanism, the first driving member is arranged on the tray main body, the first driving member is rotatably connected with the clamping member, the clamping member clamps the piston shaft, the first driving member drives the clamping member to rotate under the condition that the conveying mechanism drives the tray mechanism to move to the first position, and the piston shaft rotates along with the clamping member; under the condition that the conveying mechanism drives the tray mechanism to move to the second position, the first driving piece drives the clamping piece to rotate, and the piston shaft rotates along with the clamping piece.

4. The laser cladding and polishing device for the piston shaft according to claim 3, wherein the tray mechanism further comprises a second driving member and a limiting member, the second driving member is disposed on the tray body, the second driving member is connected to the limiting member, the clamping member clamps one end of the piston shaft, the second driving member drives the limiting member to move to be in abutting engagement with the other end of the piston shaft, and the clamping member is opposite to the limiting member along the central axis of the piston shaft.

5. The piston shaft laser cladding and grinding device of claim 1, wherein the laser cladding mechanism comprises a first support, a third driving member and a laser cladding member, the first support is arranged on the conveying mechanism, the third driving member is arranged on the first support, the third driving member is connected with the laser cladding member, the laser cladding member laser claddes the piston shaft under the condition that the conveying mechanism drives the tray mechanism to move to the first position, and the third driving member drives the laser cladding member to move along the central axis of the piston shaft.

6. The piston shaft laser cladding and polishing device of claim 1, wherein the polishing mechanism comprises a second support, a fourth driving member and a polishing member, the second support is disposed on the conveying mechanism, the fourth driving member is disposed on the second support, the fourth driving member is connected to the polishing member, the polishing member is in contact with the piston shaft under the condition that the conveying mechanism drives the tray mechanism to move to the second position, and the fourth driving member drives the polishing member to move along a central axis of the piston shaft.

7. The piston shaft laser cladding and grinding device of claim 5, wherein the laser cladding mechanism further comprises a smoke remover, the smoke remover is arranged on the laser cladding piece, the smoke remover is started when the conveying mechanism drives the tray mechanism to move to the first position, the smoke remover is used for treating smoke generated by the laser cladding piece in a laser cladding process, and the smoke remover moves along with the laser cladding piece.

8. The piston shaft laser cladding and grinding device of claim 1, wherein the tray mechanism is a plurality of tray mechanisms, the tray mechanisms are sequentially arranged on the conveying mechanism along the conveying direction of the conveying mechanism, and any one of the tray mechanisms carries the piston shaft.

9. The piston shaft laser cladding and grinding device of claim 5, wherein the laser cladding mechanism further comprises a guide rail, the guide rail is arranged on the first support, a slide block is arranged on the laser cladding piece, and the slide block is in sliding fit with the guide rail.

Images