CN213570740U - Outer wall cleaning and cladding combined machining equipment for cylindrical hydraulic oil cylinder - Google Patents

Abstract

The utility model discloses a cylindrical hydraulic cylinder outer wall washs and covers combined machining equipment, set up including board, rotatable ground just be used for the centre gripping to wait to process hydraulic cylinder's grip slipper, by robotic arm drive motion's laser cladding head and laser cleaning head to and the laser instrument of sending the laser beam on the board, the laser cladding head include the near-end with the laser instrument is connected and is had the light guide seat of laser incidence passageway, and sets up the cladding processing head of light guide seat distal end, the laser cleaning head include the near-end with the laser instrument is connected and is had the washing working head that the passageway was thrown to the laser. Only need order about in the course of working to wait to process the hydraulic cylinder rotatory to and order about laser cleaning head and laser cladding head along waiting to process the length direction translation motion of hydraulic cylinder can, processing convenient operation and efficient can realize hydro-cylinder outer wall laser cleaning and form the cladding layer on its outer wall, thereby reach and make and wait to process hydraulic cylinder outer wall surface modification or prosthetic purpose.

Description

Outer wall cleaning and cladding combined machining equipment for cylindrical hydraulic oil cylinder

Technical Field

The invention relates to the field of laser cladding, in particular to a cleaning and cladding combined machining device for the outer wall of a cylindrical hydraulic oil cylinder.

Background

The hydraulic oil cylinder is generally required to be cleaned before cladding, and cleaning work is required firstly because rust and dirt often exist on the outer wall of the oil cylinder; at present, a chemical cleaning method is generally adopted to remove oil stains, and modes such as sand blasting, polishing and the like are adopted to remove rust stains, so that not only is time wasted, but also serious pollution is caused to the environment, and the health of operators can be influenced.

Disclosure of Invention

The invention aims to provide a cleaning and cladding combined machining device for the outer wall of a cylindrical hydraulic oil cylinder, which is used for simultaneously realizing laser cleaning and laser cladding machining on the outer wall of the cylindrical hydraulic oil cylinder and modifying or repairing the surface of the outer wall of the cylindrical hydraulic oil cylinder.

In order to achieve the purpose, the invention adopts the technical scheme that: a composite processing device for cleaning and cladding the outer wall of a cylindrical hydraulic oil cylinder comprises a machine table, a clamping seat which is rotatably arranged on the machine table and is used for clamping the hydraulic oil cylinder to be processed, a laser cladding head and a laser cleaning head which are driven by a mechanical arm to move, and a laser emitting a laser beam, wherein the laser cladding head comprises a light guide seat with a near end connected with the laser and a laser incidence channel, and a cladding processing head arranged at the far end of the light guide seat, wherein the laser cleaning head comprises a cleaning working head with a near end connected with the laser and a laser projection channel, the mechanical arm at least is provided with a driving arm which can be arranged in a translational way along the length extension direction of the hydraulic oil cylinder to be processed, the cleaning working head and the laser cladding head are arranged on the driving arm at intervals along the length extending direction parallel to the hydraulic oil cylinder to be processed.

Preferably, an included angle α is formed between the extending direction of the laser incident channel and the extending direction of the laser projection channel, and the angle value of the included angle α is greater than 0 and smaller than 90 °.

Preferably, the laser cladding head further comprises a collimating lens group, a first microlens array, a second microlens array, a first column focusing lens, a second column focusing lens and a protective lens which are sequentially arranged along the laser incidence channel from back to front, and a cladding head arranged at the far end of the light guide seat, wherein the first microlens array comprises a plurality of first microlenses arrayed in a first direction, the second microlens array comprises a plurality of second microlenses arrayed in a second direction, and the first direction and the second direction are perpendicular to each other and are both perpendicular to the projection direction of the laser in the laser incidence channel; the first column focusing lens and the second column focusing lens are arranged in the orthogonal direction.

Further, the first microlens has a first incident surface for receiving the laser beam, the second microlens has a second incident surface for receiving the laser beam, and the first incident surface and the second incident surface are both arc surfaces which are arched from front to back facing the projected laser beam; the first focusing lens is provided with a first focusing surface, the second focusing lens is provided with a second focusing surface, and the first focusing surface and the second focusing surface are arc surfaces which are arched from back to front along the projection direction of the laser beams.

Furthermore, an additional seat is additionally arranged beside the light guide seat, a camera for monitoring the processing condition below the cladding processing head is arranged on the additional seat, and a reflector group for reflecting the light beam in the laser projection channel to the camera is arranged between the additional seat and the light guide seat.

Furthermore, the reflector group comprises a reflection and transmission mirror arranged in the laser projection channel and a reflector arranged on the additional seat, the reflector has a reflecting surface which reflects light beams projected from a light-emitting surface of the reflection and transmission mirror and projects the light beams to the camera, and the reflection and transmission mirror is arranged between the collimating lens group and the first micro-lens array in the laser incidence channel.

Further, the cladding processing head comprises a light outlet nozzle which is attached to the far end of the light guide seat and is provided with a light outlet channel, and a powder feeding nozzle which is arranged on the outer side part of the light outlet nozzle.

Furthermore, the light-emitting nozzle is provided with four outer side surfaces which are connected along the circumferential direction, each outer side surface is an inclined surface which is inclined and extends from back to front gradually to the middle, the two powder feeding nozzles are arranged on the outer sides of the two outer side surfaces which are opposite to each other, and each powder feeding nozzle is provided with a plurality of powder feeding channels which are distributed at intervals along the width direction of the powder feeding nozzle.

Preferably, the cleaning working head is provided with a collimating lens, a galvanometer and a field lens from back to front along the laser projection channel, and the cleaning working head is further provided with a galvanometer motor for driving the galvanometer to deflect.

Preferably, the machine table is further provided with a plurality of groups of movable supports which can be adjustably arranged along the length direction of the hydraulic oil cylinder to be processed, and the tops of the movable supports are provided with arc-shaped supporting seats on which the hydraulic oil cylinder to be processed can be rotatably supported.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the outer wall cleaning and cladding composite processing equipment for the cylindrical hydraulic oil cylinder, the hydraulic oil cylinder to be processed is arranged in a rotating mode through the clamping seat, the laser cleaning head and the laser cladding head are clamped by the mechanical arm to be processed simultaneously, the outer wall of the hydraulic oil cylinder is processed, the hydraulic oil cylinder to be processed is only required to be driven to rotate in the processing process, the laser cleaning head and the laser cladding head are driven to move in a translation mode along the length direction of the hydraulic oil cylinder to be processed, the processing operation is convenient, the efficiency is high, the outer wall of the hydraulic oil cylinder can be cleaned by laser, a cladding layer is formed on the outer wall of the hydraulic oil cylinder, and therefore the purpose of modifying or repairing.

Drawings

FIG. 1 is a schematic view of the overall structure of the composite processing apparatus of the present invention;

FIG. 2 is a schematic view of the overall structure of a laser cladding head in the composite processing apparatus of the present invention;

FIG. 3 is a longitudinal sectional view of the laser cladding head of FIG. 2;

FIG. 4 is a longitudinal sectional view of the powder feeding nozzle in the laser cladding head of FIG. 2;

FIG. 5 is an exploded view of the laser cladding head of FIG. 2;

FIGS. 6a and 6b are schematic diagrams of a first cylindrical focusing lens according to the present invention;

FIGS. 7a and 7b are schematic diagrams of a second cylindrical focusing lens according to the present invention;

FIG. 8 is a projection route diagram of a laser beam in the laser cladding head of the present invention;

FIG. 9 is a schematic view of the overall structure of a laser cleaning head in the composite processing apparatus of the present invention;

FIG. 10 is a longitudinal cut-away schematic view of the laser cleaning head of FIG. 9;

wherein: 100. laser cladding head; 1. a light guide base; 101. a laser connector; 2. a collimating lens group; 3. a first microlens array; 4. a second microlens array; 5. a first cylindrical focusing lens; 51. a first focal plane; 6. a second cylindrical focusing mirror; 61. a second focal plane; 7. protective glasses; 8. an air knife; 9. a light outlet nozzle; 91. a light exit channel; 10. a powder feeding nozzle; 10a, a powder feeding channel; 11. an additional seat; 12. a camera; 13. a reflective transmissive mirror; 14. a mirror;

200. a laser cleaning head; 201. cleaning the working head; 202. a galvanometer; 203. a galvanometer motor; 204. a field lens; 205. a collimating lens barrel;

300. a robot arm; 301. a drive arm; 302. a connecting frame; 400. a water cooling machine; 500. a machine platform; 501. a clamping seat; 502. moving the support; 503. a supporting seat; 504. a thimble seat; 600. a hydraulic oil cylinder to be processed; 700. a laser.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the detailed description.

Referring to fig. 1, the composite processing apparatus for cleaning and cladding the outer wall of the cylindrical hydraulic cylinder comprises a machine table 500, a clamping seat 501 rotatably arranged on the machine table 500 and used for clamping the hydraulic cylinder 600 to be processed, a laser cladding head 100 and a laser cleaning head 200 driven by a mechanical arm 300 to move, a laser 700 for emitting a laser beam, and a water cooling machine 400.

The clamping seat 501 specifically adopts a three-jaw chuck, the clamping seat can be clamped and fixed at one end of the hydraulic oil cylinder 600 to be processed, and the laser cladding head 100 and the laser cleaning head 200 are clamped by the mechanical arm 300 and located on one side of the hydraulic oil cylinder 600 to be processed, so that the outer surface of the hydraulic oil cylinder 600 to be processed can be subjected to laser cleaning and laser cladding processing during rotary motion.

The machine table 500 is further provided with a plurality of groups of movable supports 502 capable of being adjusted in position along the length direction of the hydraulic oil cylinder 600 to be machined, the top of each movable support 502 is provided with a supporting seat 503 capable of supporting the hydraulic oil cylinder 600 to be machined on the supporting seat in a rotating mode around the axis of the movable support, the machine table 500 is further provided with a movable thimble seat 504, and when the hydraulic oil cylinder 600 to be machined is long, one or more movable supports 502 can be adopted to support the hydraulic oil cylinder 600 to be machined in an auxiliary mode, or a thimble of the thimble seat 504 is axially propped against the tail end of the hydraulic oil cylinder 600. Therefore, the clamping seat 501 is driven to rotate to drive the hydraulic oil cylinder 600 to be processed to rotate around the axis line of the clamping seat, the laser cladding head 100 and the laser cleaning head 200 are driven by the mechanical arm 300 to move along the length direction parallel to the hydraulic oil cylinder 600 to be processed, and the outer surface of the whole hydraulic oil cylinder 600 to be processed can be processed.

Referring to fig. 2 to 7b, the laser cladding head 100 includes a light guide base 1 having a laser incident channel, and a cladding processing head disposed at a distal end of the light guide base 1, wherein a laser connector 101 is disposed at a proximal end of the light guide base 1, and the laser connector 101 has a QBH interface for connecting with a laser 700. Here, the proximal end and the distal end are proximal ends, and vice versa, according to an end of the laser cladding head 100 close to the laser 700 or an operator during use; the front and the back are defined by referring to the front and back directions of the laser beam when the laser beam is transmitted along the laser projection channel, and specifically, the laser beam is projected from the back to the front.

The laser cladding head 100 further comprises a collimating lens group 2, a first micro-lens array 3, a second micro-lens array 4, a first cylindrical focusing lens 5, a second cylindrical focusing lens 6 and a protective lens 7 which are sequentially arranged from back to front along a laser incident channel of the light guide base 1. Wherein:

the first microlens array 2 includes a plurality of first microlenses arranged in an array in a first direction, and the second microlens array 3 includes a plurality of second microlenses arranged in an array in a second direction, the first direction and the second direction being perpendicular to each other and to a projection direction of the laser light in the laser incident channel. The first micro lens is provided with a first incidence surface for receiving the laser beam, the second micro lens is provided with a second incidence surface for receiving the laser beam, and the first incidence surface and the second incidence surface are arc surfaces which are arched from front to back facing the projected laser beam.

The first cylindrical focusing mirror 5 and the second cylindrical focusing mirror 6 are arranged in an orthogonal direction, as shown in fig. 6a and 6 b; the first cylindrical focusing lens 5 has a first focusing surface 51, as shown in fig. 6a, 6 b; the second cylinder focusing lens 6 has a second focusing surface 61, and the first focusing surface 51 and the second focusing surface 61 are arc surfaces that are arched from the back to the front along the projected laser beam. Specifically, the first focusing plane 51 has a first arcuate arch extending in the radial direction of the first focusing cylinder 5, and the second focusing plane 61 has a second arcuate arch extending in the radial direction of the second focusing cylinder 6, the first arcuate arch and the second arcuate arch extending in the longitudinal direction perpendicular to each other.

So, the laser beam that sends from laser instrument 700, become parallel laser beam after the collimation is carried out to collimating mirror group 2 earlier, it is even to pass through first microlens array 3 again in proper order, second microlens array 4, first post focusing mirror 5, second post focusing mirror 6 and protective glass 7, can change to vertical direction, the horizontal direction is the rectangle facula of gauss distribution, and the size of rectangle facula can reach 15mm 3mm, more traditional circular facula optical system, the cladding layer that the single cladding formed is wide a lot, cladding efficiency improves greatly. And the rectangular light spot is a homogenized light spot, and the energy density of each point in the light spot is the same, so that a smooth cladding layer can be formed when the rectangular light spot is coupled with powder.

The rectangular homogenization light spot optical system in the laser cladding head uses two groups of non-imaging microlens array homogenization systems. Each group of the non-imaging microlens array homogenizing system comprises a microlens array and a cylindrical focusing lens. The two groups of non-imaging micro-lens array homogenization systems are intersected with each other. A rectangular homogenizing spot is obtained according to the non-imaging microlens array homogenizing system. Fig. 8 shows the projection route and principle of the laser beam in the laser cladding head of the present invention, in the direction of the figure, the laser beam is emitted from the optical fiber, and is collimated by the collimator lens 2, and then is emitted to the one-dimensional microlens array (the first microlens array 3) in the horizontal direction, the beam is divided into a plurality of sub-beams by the first microlens array 3, then passes through the one-dimensional microlens array (the second microlens array 4) in the vertical direction, and is further divided into a plurality of sub-beams, and then is focused by the cylindrical focusing lens (the first cylindrical focusing lens 5) focused in the vertical direction, so as to form a one-dimensional non-imaging type microlens homogenization system, and obtain light spots with a certain width and uniform distribution on the back focal plane of the cylindrical focusing lens focused in the vertical direction; because the focal planes of the two cylindrical focusing lenses are overlapped on the working surface, light spots with uniformly distributed lengths are obtained after passing through the cylindrical focusing lens in the vertical direction and the cylindrical focusing lens in the horizontal direction (the second cylindrical focusing lens 6). Therefore, light spots uniformly distributed in both the length direction and the width direction can be obtained, and the bidirectional rectangular homogenization light spot optical system is formed. By selecting different parameters of the micro-lens array and the focusing lens, rectangular light spots with different lengths and widths can be obtained, wherein focal planes of the two cylindrical focusing lenses are overlapped on a working plane.

Referring to fig. 1 to 4, an additional base 11 is further attached beside the light guide base 1, a camera 12 for monitoring the processing condition below the cladding processing head is arranged on the additional base 11, and a reflector group for reflecting the light beam in the laser projection channel to the camera 12 is further arranged between the additional base 11 and the light guide base 1. Specifically, referring to fig. 2, the mirror group includes a reflective and transmissive mirror 13 disposed in the laser projection channel, and a reflective mirror 14 disposed on the additional base 11, the reflective and transmissive mirror 13 is disposed between the collimating mirror group 2 and the first microlens array 3 in the laser incident channel, and the reflective mirror 14 has a reflective surface for reflecting the light beam projected from the light exit surface of the reflective and transmissive mirror 13 and projecting the light beam to the camera 12. In a specific arrangement, the extending direction of the observation channel of the camera 12 may be set to be parallel to the extending direction of the laser projection channel. Therefore, in the laser cladding processing process, the condition of the molten pool can be observed through the camera 12, so that the cladding parameters can be adjusted in time, and the effect of the cladding layer can be better ensured.

Referring to the drawings, the cladding processing head includes a light-emitting nozzle 9 attached to a distal end of the light guide 1 and having a light-emitting passage 91, and a powder feeding nozzle 10 disposed on an outer side portion of the light-emitting nozzle 9. Here, the light emitting nozzle 9 has four outer side surfaces connected along the circumferential direction, and each outer side surface is an inclined surface extending from the back to the front gradually to the middle in an inclined manner, that is, the cross section of the light emitting nozzle 9 is square and gradually decreases from the back to the front. The two powder feeding nozzles 10 are respectively arranged at the outer sides of two opposite outer side surfaces of the light outlet nozzle 9. Each powder feeding nozzle 10 is provided with a plurality of powder feeding channels 10a distributed at intervals along the width direction of the powder feeding nozzle, so that the powder fed out from the powder feeding nozzle 10 can be uniformly distributed to the positions to be processed on the surface to be processed, and laser cladding processing is performed on the powder and the laser beam in the light emergent channel 91.

The laser cladding head 100 further comprises an air knife 8 which is arranged on the light guide seat 1 and is provided with an air outlet, wherein the air knife 8 is positioned in front of the protective glass 8 and behind the light outlet nozzle 9, so that high-temperature scattered powder cannot enter a laser projection channel to damage each lens.

Referring to fig. 9 and 10, the laser cleaning head 200 comprises a cleaning working head 201 with a laser projection channel and a proximal end connected with a laser 700. The cleaning working head 201 is sequentially provided with a collimating lens (arranged in a collimating lens barrel 205), a galvanometer 202 and a field lens 204 from back to front along a laser projection channel, and the cleaning working head 201 is also provided with a galvanometer motor 203 for driving the galvanometer 202 to deflect.

The laser beam emitted by the laser 700 is collimated by the collimator lens, deflected by the galvanometer 202, transmitted to the field lens 204 and projected onto the surface to be processed, so that the laser cleaning processing of the surface to be processed is realized. The structure of the cleaning head 201 is not the focus of the present application, and it is also feasible to implement the cleaning by using other laser cleaning heads 200 capable of implementing laser cleaning.

Referring to fig. 1, in the present embodiment, the robot 300 is a six-axis robot having at least a driving arm 301 for mounting the laser cladding head 100 and the laser cleaning head 200, and the driving arm 301 is at least arranged to be able to translate along the length extension direction of the hydraulic cylinder 600 to be processed.

A connecting frame 302 is fixedly provided at an output end of the driving arm 301, and the connecting frame 302 is used for fixedly mounting the laser cleaning head 200 and the laser cladding head 100 at the same time. The laser cleaning head 200 and the laser cladding head 100 are connected to the driving arm 301 at a certain angle and distance, specifically, the laser cleaning head 200 and the laser cladding head 100 are mounted on the driving arm 301 at intervals along the length extending direction parallel to the hydraulic oil cylinder 600 to be processed, an included angle α is formed between the extending direction of the laser incident channel of the laser cladding head 100 and the extending direction of the laser projection channel of the laser cleaning head 200, and the angle value of the included angle α is greater than 0 and smaller than 90 °, so that in the process of processing, in the process of revolving the hydraulic oil cylinder 600 to be processed, the specific position of the outer wall of the hydraulic oil cylinder firstly receives the laser beam projected by the laser cleaning head 200 to complete the laser cleaning processing, and then receives the laser beam projected by the laser cladding head 100 to complete the laser cladding processing.

The laser cladding head 100 and the laser cleaning head 200 are respectively connected with a laser 700 so as to control the laser beam output by the laser 400 during corresponding processing.

Therefore, when the hydraulic oil cylinder 600 to be processed is subjected to laser cleaning and cladding combined processing, the clamping seat 501 is driven to rotate to drive the hydraulic oil cylinder 600 to be processed to rotate around the axis line of the clamping seat, the laser cladding head 100 and the cleaning working head 200 are driven by the mechanical arm 300 to move along the length direction parallel to the hydraulic oil cylinder 600 to be processed, and therefore the outer wall of the whole hydraulic oil cylinder 600 to be processed can be cleaned and clad.

In summary, according to the outer wall cleaning and cladding combined machining equipment for the cylindrical hydraulic oil cylinder, the hydraulic oil cylinder 600 to be machined is arranged in a rotating mode through the clamping seat 501, the laser cleaning head 200 and the laser cladding head 100 are clamped by the mechanical arm 300 to be machined simultaneously, the outer wall of the oil cylinder is machined, the hydraulic oil cylinder 600 to be machined is only required to be driven to rotate in the machining process, the laser cleaning head 200 and the laser cladding head 100 are driven to move in a translation mode along the length direction of the hydraulic oil cylinder 600 to be machined, machining operation is convenient and efficient, laser cleaning of the outer wall of the oil cylinder can be achieved, a cladding layer is formed on the outer wall of the oil cylinder, and therefore the purpose of modifying or repairing the surface of the outer wall.

Meanwhile, the processing mode also realizes remote operation, effectively ensures the safety of operators, can selectively clean pollutants on the outer wall of the cylinder barrel of the hydraulic cylinder, can clean parts which are difficult to clean by the traditional cleaning method, and is efficient and time-saving. The outer wall after laser cleaning is relatively flat, no pollutant and no moisture phenomenon exist, and the problems of air holes, uneven cladding layer and the like in common laser cladding can be solved.

In addition, the novel laser cladding head 100 that adopts compact structure, occupation space is less, and this laser cladding head 100 can convert circular facula into the homogenized rectangle facula of great size, compares traditional circular facula optical system, and the cladding layer that the single cladding formed is wide a lot, can show ground and promote the efficiency of cladding, and the while cladding roughness also improves by a wide margin.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a cylindrical hydraulic cylinder outer wall washs and melts and covers combined machining equipment which characterized in that: the composite processing equipment comprises a machine table, a clamping seat which is rotatably arranged on the machine table and is used for clamping a hydraulic oil cylinder to be processed, a laser cladding head and a laser cleaning head which are driven by a mechanical arm to move, and a laser for emitting laser beams, wherein the laser cladding head comprises a light guide seat with a near end connected with the laser and a laser incidence channel, and a cladding processing head arranged at the far end of the light guide seat, the laser cleaning head comprises a cleaning working head with a near end connected with the laser and a laser projection channel, the mechanical arm at least comprises a driving arm which can be arranged in a translational mode along the length extension direction of the hydraulic oil cylinder to be processed, and the cleaning working head and the laser cladding head are arranged on the driving arm at intervals along the length extension direction parallel to the hydraulic oil cylinder to be processed.

2. The outer wall cleaning and cladding combined machining equipment for the cylindrical hydraulic oil cylinder according to claim 1, characterized in that: an included angle alpha is formed between the extending direction of the laser incidence channel and the extending direction of the laser projection channel, and the angle value of the included angle alpha is larger than 0 and smaller than 90 degrees.

3. The outer wall cleaning and cladding combined machining equipment for the cylindrical hydraulic oil cylinder according to claim 1, characterized in that: the laser cladding head further comprises a collimating lens group, a first micro lens array, a second micro lens array, a first column focusing lens, a second column focusing lens and a protective lens which are sequentially arranged along the laser incidence channel from back to front, and a cladding processing head arranged at the far end of the light guide seat, wherein the first micro lens array comprises a plurality of first micro lenses arrayed in a first direction, the second micro lens array comprises a plurality of second micro lenses arrayed in a second direction, and the first direction and the second direction are perpendicular to each other and are perpendicular to the projection direction of laser in the laser incidence channel; the first column focusing lens and the second column focusing lens are arranged in the orthogonal direction.

4. The outer wall cleaning and cladding combined machining equipment for the cylindrical hydraulic oil cylinder according to claim 3, characterized in that: the first micro lens is provided with a first incidence surface for receiving laser beams, the second micro lens is provided with a second incidence surface for receiving the laser beams, and the first incidence surface and the second incidence surface are both arc surfaces which are arched from front to back facing the projected laser beams; the first cylindrical focusing lens is provided with a first focusing surface, the second cylindrical focusing lens is provided with a second focusing surface, and the first focusing surface and the second focusing surface are arc surfaces which are arched from back to front along the projection direction of the laser beams.

5. The outer wall cleaning and cladding combined machining equipment for the cylindrical hydraulic oil cylinder according to claim 3, characterized in that: an additional seat is additionally arranged beside the light guide seat, a camera used for monitoring the processing condition below the cladding processing head is arranged on the additional seat, and a reflector group used for reflecting the light beams in the laser projection channel to the camera is further arranged between the additional seat and the light guide seat.

6. The outer wall cleaning and cladding combined machining equipment for the cylindrical hydraulic oil cylinder according to claim 5, characterized in that: the reflector group comprises a reflection and transmission mirror arranged in the laser projection channel and a reflector arranged on the additional seat, the reflector is provided with a reflecting surface for reflecting light beams projected from the light-emitting surface of the reflection and transmission mirror and projecting the light beams to the camera, and the reflection and transmission mirror is arranged between the collimating lens group and the first micro lens array in the laser incidence channel.

7. The outer wall cleaning and cladding combined machining equipment for the cylindrical hydraulic oil cylinder according to claim 3, characterized in that: the cladding processing head is including the hookup at leaded light seat distal end just has the light-emitting nozzle of light-emitting channel, and sets up send powder nozzle on the light-emitting nozzle lateral part.

8. The outer wall cleaning and cladding combined machining equipment for the cylindrical hydraulic oil cylinder according to claim 7, characterized in that: the light-emitting nozzle is provided with four outer side surfaces which are connected along the circumferential direction, each outer side surface is an inclined surface which is inclined and extends towards the middle from back to front gradually, the number of the powder feeding nozzles is two, the two powder feeding nozzles are respectively arranged at the outer sides of the two opposite outer side surfaces, and each powder feeding nozzle is provided with a plurality of powder feeding channels which are distributed along the width direction at intervals.

9. The outer wall cleaning and cladding combined machining equipment for the cylindrical hydraulic oil cylinder according to claim 1, characterized in that: the laser projection device is characterized in that a collimating lens, a galvanometer and a field lens are sequentially arranged on the cleaning working head from back to front along the laser projection channel, and a galvanometer motor for driving the galvanometer to deflect is further arranged on the cleaning working head.

10. The outer wall cleaning and cladding composite processing equipment for the cylindrical hydraulic oil cylinder according to any one of claims 1 to 9, which is characterized in that: the machine table is also provided with a plurality of groups of movable supports which can be adjustably arranged along the length direction of the hydraulic oil cylinder to be processed, and the tops of the movable supports are provided with arc-shaped supporting seats on which the hydraulic oil cylinder to be processed can be rotatably supported.

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