CN112657744A

CN112657744A - Spraying prosthetic devices to not unidimensional rusty steel pipe

Info

Publication number: CN112657744A
Application number: CN202110044208.3A
Authority: CN
Inventors: 潘美想
Original assignee: Shenzhen Yunmo Technology Co ltd
Current assignee: Shenzhen Yunmo Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-04-16

Abstract

The invention discloses a spraying repair device for rusty steel pipes of different sizes, which comprises a processing machine body, wherein a cavity is formed in the processing machine body, a distance adjusting device is arranged in the cavity and comprises a connecting groove formed in the left side of the cavity, a butting groove is formed in the left side of the connecting groove, a connecting shaft is rotatably matched on a wall body between the butting groove and the cavity, the length of the rusty steel pipes of different sizes is adapted to be clamped by adjusting a lead screw to rotate, a screwing block is rotated, so that the inner diameters of the rusty steel pipes of different sizes are clamped by a clamping block, after the steel pipes are clamped, the matching shaft is lowered under the matching of a matching inclined block and a fixing inclined block, and the rusty steel pipes of different outer diameters can be polished and derusted under the action of a butting spring.

Description

Spraying prosthetic devices to not unidimensional rusty steel pipe

Technical Field

The invention relates to the field of spraying, in particular to a spraying repair device for rusted steel pipes with different sizes.

Background

In the long-term use of the steel pipe, the steel pipe is easy to rust, the appearance is influenced, so the light pipe needs to be subjected to rust removal and spraying again, and in the conventional device, people generally manually polish the steel pipe and then spray rust-proof oil on the raw steel pipe again, so that manpower and material resources are consumed, and the invention is very important for inventing the device capable of polishing and spraying the steel pipes with various sizes.

Disclosure of Invention

Aiming at the technical defects, the invention provides a spraying repair device for rusted steel pipes with different sizes, which can overcome the defects.

The invention relates to a spraying repair device for rusted steel pipes with different sizes, which comprises a processing machine body, wherein a cavity is formed in the processing machine body, a distance adjusting device is arranged in the cavity and comprises a connecting groove formed in the left side of the cavity, a butting groove is formed in the left side of the connecting groove, a connecting shaft is rotatably matched with a wall body between the butting groove and the cavity, the connecting shaft is positioned in the cavity and fixedly connected with a clamping mechanism, the clamping mechanism comprises an adjusting wheel fixedly connected with the connecting shaft, a rotating groove is formed in the adjusting wheel, a rotating shaft is rotatably matched with the wall body of the rotating groove and is positioned in the rotating groove and fixedly connected with a rotating gear, four sliding grooves are formed in the rotating gear in an annular array, sliding racks are slidably connected in the sliding grooves, and arc-shaped grooves are formed in the adjusting wheel, the four sliding blocks are connected in the arc-shaped groove in a sliding manner, an adjusting groove is rotationally connected in each sliding block, the arc-shaped groove is fixedly connected with an adjusting gear which is meshed with the adjusting wheel and is meshed with the sliding rack, the sliding rack extends to the outer side of the sliding groove and is fixedly connected with a clamping block, the adjusting wheel rotates, the sliding rack extends outwards so as to clamp a rusted steel pipe, the left wall of the cavity is rotatably matched with a transmission lead screw, the transmission lead screw is in threaded connection with a processing block which is in sliding connection with the cavity, a processing device is arranged in the processing block and comprises a sliding groove arranged in the processing block, a moving block is interactively connected in the sliding groove, the moving block is provided with a moving groove with a downward opening, a sliding block is connected in the moving groove in a sliding manner, and the sliding block extends downwards to the outer side of the moving groove and, the polishing block can be pressed down to abut against the steel pipe, and the steel pipes with different diameters can be polished.

Preferably, the roll adjustment device is still including seting up the adjustment tank of cavity right side bottom, adjustment tank right side wall normal running fit has the adjustment lead screw, the adjustment lead screw extends to right adjustment tank right side power is connected with inlay in the adjustment motor of processing machine body inner wall, adjustment lead screw threaded connection have with adjustment tank sliding connection's adjusting block, the driving groove has been seted up on adjustment tank right side, driving groove upside left side wall normal running fit has the rotation axis, the rotation axis is located adjusting block internal spline is connected with the third spline sleeve, the third spline sleeve does fixedly connected with clamping mechanism in the cavity.

Preferably, the distance adjusting device further comprises a connecting gear fixedly connected with the connecting shaft in the abutting groove, the connecting gear is located in the abutting groove and fixedly connected with a pawl located on the left side of the abutting groove, the connecting groove is rotationally matched with a central shaft between the transmission grooves, the central shaft is located in the transmission grooves and connected through belt pulley transmission, the abutting groove is rotationally matched with a connecting shaft between the connecting grooves, the connecting shaft and the central shaft are located in the connecting grooves and connected through belt pulley transmission, a sliding groove is communicated with the right side of the abutting groove, an abutting block is slidably connected in the sliding groove, a connecting spring is connected between the abutting block and the right wall of the sliding groove, and a fourth spline sleeve connected with the connecting shaft in a spline manner is rotationally connected on the right side of the abutting block, the fourth spline sleeve is located butt inslot fixedly connected with link up the engaged with of gear butt gear, butt groove left side intercommunication has the displacement groove, sliding connection has the piece of linking in the displacement groove, it is located to link up the piece butt inslot fixedly connected with pawl ratchet pawl complex pawl, the fourth spline sleeve extends to left the piece is twisted to the external fixedly connected with of processor.

Preferably, the processing device further comprises a fixed groove arranged on the left side of the cavity, an extending groove is arranged on the upper side of the cavity, an extending shaft is rotatably matched on a wall body between the extending groove and the fixed groove, a matching block is connected in the extending shaft in a sliding manner, a bevel gear transmission groove is formed in the matching block, a first spline sleeve is in spline connection with the fixed shaft positioned in the bevel gear transmission groove, a matching shaft is rotatably connected to the bottom wall of the matching block, a second spline sleeve is in spline connection with the bevel gear transmission groove, the second spline sleeve is in bevel gear transmission groove connection with the first spline sleeve through a bevel gear pair, the matching shaft is positioned in the cavity and is in sliding connection with a matching oblique block, the matching shaft is in sliding connection with the matching oblique block, and a linking spring is connected between the matching oblique block and the upper wall of the processing block, the matching shaft is positioned in the moving chute and is fixedly connected with a moving block, the top wall of the cavity is fixedly connected with a fixed inclined block matched with the inclined plane of the matched inclined block, a moving connecting groove positioned on the left side of the moving chute is formed in the processing block, a sliding block rotationally connected with the polishing block is slidably connected in the moving connecting groove, the sliding block is fixedly connected with a cleaning block and drives the processing block to be internally and fixedly provided with a paint spraying device positioned on the left side of the sliding block, the top wall of the left end of the processing machine body is provided with an upward-opening antirust paint box, a hose is connected between the antirust paint box and the paint spraying device, the right side of the fixing groove is provided with a pulley groove, a wall body between the fixing groove and the gear transmission groove is rotationally matched with a transmission shaft, the transmission shaft is positioned in the gear transmission groove and is connected with a transmission gear, and the transmission screw rod, and the transmission screw rod and the left wall of the gear transmission groove are connected with a limiting torsion spring.

Preferably, the processing apparatus further comprises a power shaft which is located in running fit with the left wall of the pulley groove and located on the lower side of the transmission shaft, the power shaft is located in the pulley groove and connected through a pulley in a transmission manner, the power shaft extends leftwards to the tail end of the left side of the pulley groove and is in power connection with a power motor embedded in the processing machine body, and the power shaft is located in the cavity and fixedly connected with a rotating gear engaged with the rotating gear.

The invention has the beneficial effects that: rotate through the adjustment lead screw, in order to adapt to not press from both sides the length of tightly rustting the steel pipe with the unidimensional, the piece is twisted in the rotation, thereby make and press from both sides tight piece and press from both sides tightly the internal diameter of the rustting steel pipe of unidimensional, after the steel pipe presss from both sides tightly, under the cooperation of cooperation sloping block and fixed sloping block, can make the cooperation axle descend, under the effect of butt spring, can polish the rust steel pipe of different external diameters and remove the rust, the rust steel pipe that the rust removal is good will polish to the position that the piece can be followed to the piece of polishing cleans, paint spraying apparatus can carry out the.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view showing the overall structure of a spray repairing device for rusted steel pipes of different sizes;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

fig. 3 is an enlarged view of a partial structure at B in fig. 2;

fig. 4 is an enlarged view of a partial structure at C in fig. 2;

fig. 5 is a schematic view of the structure in the direction of D-D in fig. 4.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a spraying repair device for rusted steel pipes with different sizes, which comprises a processing machine body 62, wherein a cavity 70 is formed in the processing machine body 62, a distance adjusting device is arranged in the cavity 70 and comprises a connecting groove 71 formed in the left side of the cavity 70, a butting groove 42 is formed in the left side of the connecting groove 71, a connecting shaft 48 is rotatably matched on a wall body between the butting groove 42 and the cavity 70, the connecting shaft 48 is fixedly connected with a clamping mechanism 901 in the cavity 70, the clamping mechanism 901 comprises an adjusting wheel 13 fixedly connected with the connecting shaft 48, a rotating groove 11 is formed in the adjusting wheel 13, a rotating shaft 19 is rotatably matched on the wall body of the rotating groove 11, a rotating gear 12 is fixedly connected in the rotating groove 11 by the rotating shaft 19, and four sliding grooves 17 are formed in the rotating gear 12 in an annular array, the steel pipe rust-proof device is characterized in that a sliding rack 16 is connected in the sliding groove 17 in a sliding manner, an arc-shaped groove 78 is formed in the adjusting wheel 13, four sliding blocks 79 are connected in the arc-shaped groove 78 in a sliding manner, an adjusting groove 14 is connected in the sliding blocks 79 in a rotating manner, the arc-shaped groove 78 is fixedly connected with an adjusting gear 15 which is meshed with the adjusting wheel 13 and is meshed with the sliding rack 16, the sliding rack 16 extends to the outer side of the sliding groove 17 and is fixedly connected with a clamping block 18, the adjusting wheel 13 rotates, the sliding rack 16 extends outwards so as to clamp a rusted steel pipe, a transmission lead screw 35 is matched with the left wall of the cavity 70 in a rotating manner, the transmission lead screw 35 is in threaded connection with a processing block 34 which is connected with the cavity 70 in a sliding manner, a processing device is arranged in the processing block 34 and comprises a sliding groove 32, the moving block 29 is provided with a moving groove 31 with a downward opening, a sliding block 28 is connected in the moving groove 31 in a sliding manner, the sliding block 28 extends downwards to the outer side of the moving groove 31 and is fixedly connected with a polishing block 27, and the polishing block 27 can be pressed to abut against steel pipes to polish the steel pipes with different diameters.

Advantageously, the distance adjustment device further comprises an adjustment slot 68 provided at the bottom end of the right side of the cavity 70, an adjusting screw rod 69 is rotatably matched on the right wall of the adjusting groove 68, the adjusting screw rod 69 extends rightwards to the right side of the adjusting groove 67 and is in power connection with an adjusting motor 65 embedded in the inner wall of the processor body 62, the adjusting screw 69 is threadedly connected with an adjusting block 66 slidably connected with the adjusting groove 68, the right side of the adjusting groove 68 is provided with a transmission groove 64, the left wall of the upper side of the transmission groove 64 is rotatably matched with a rotating shaft 63, a third spline sleeve 77 is splined to the rotating shaft 63 in the adjusting block 66, the third spline sleeve 77 is fixedly connected with a clamping mechanism 901 in the cavity 70, and by rotating the adjusting screw rod 69, thereby adjusting the position of the adjusting block 66, and thus the positions of the two clamping mechanisms 901, so as to adapt to the lengths of different steel pipes.

Advantageously, the distance adjusting device further comprises an engaging gear 47 fixedly connected to the engaging shaft 48 in the abutting groove 42, the engaging gear 47 is fixedly connected to a ratchet wheel 49 positioned at the left side of the abutting groove 42 in the abutting groove 42, a central shaft 67 is rotatably fitted to a wall between the abutting groove 71 and the transmission groove 64, the central shaft 67 and the rotating shaft 63 are positioned in the transmission groove 64 and connected in a pulley transmission manner, a connecting shaft 37 is rotatably fitted to a wall between the abutting groove 42 and the engaging groove 71, the connecting shaft 37 and the central shaft 67 are positioned in the engaging groove 71 and connected in a pulley transmission manner, a sliding groove 39 is communicated with the right side of the abutting groove 42, an abutting block 40 is slidably connected in the sliding groove 39, a connecting spring 38 is connected between the abutting block 40 and the right wall of the sliding groove 39, a fourth sleeve 80 in a spline connection with the connecting shaft 37 is rotatably connected to the right side of the abutting block 40, the fourth spline sleeve 80 is located fixedly connected with in the butt joint groove 42 with the butt gear 41 that links up the meshing of gear 47, butt joint groove 42 left side intercommunication has displacement groove 45, sliding connection has in the displacement groove 45 links up the piece 46, it is located to link up the piece 46 fixedly connected with in the butt joint groove 42 with ratchet 49 ratchet pawl complex pawl 43, the fourth spline sleeve 80 extends to left the outer fixedly connected with of processor body 62 is twisted the piece 44, through right extrusion twist the piece 44 and rotate twist the piece 44, thereby drives join the axle 48 with the third spline sleeve 77 rotates, thereby makes the adjusting wheel 13 rotates, thereby rotates the adjusting shaft 14, thereby the rust steel pipe of different internal diameters is pressed from both sides to the slip rack 16.

Advantageously, the processing device further comprises a fixed groove 72 arranged at the left side of the cavity 70, an extending groove 76 is arranged at the upper side of the cavity 70, an extending shaft 75 is rotatably matched on a wall body between the extending groove 76 and the fixed groove 72, a matching block 56 is slidably connected in the extending shaft 75, a bevel gear transmission groove 55 is arranged in the matching block 56, the fixed shaft 54 is in spline connection with a first spline sleeve 57 in the bevel gear transmission groove 55, the bottom wall of the matching block 56 is rotatably connected with a matching shaft 60, the matching shaft 60 is in spline connection with a second spline sleeve 58 in the bevel gear transmission groove 55, the second spline sleeve 58 and the first spline sleeve 57 are in bevel gear transmission groove 55 and are connected through a bevel gear pair, the matching shaft 60 is in slide connection with a matching oblique block 59 in the cavity 70, and the matching shaft 60 is in slide connection with the matching oblique block 59, a connecting spring 52 is connected between the matching inclined block 59 and the upper wall of the processing block 34, the matching shaft 60 is fixedly connected with a moving block 29 in the moving chute 32, the top wall of the cavity 70 is fixedly connected with a fixed inclined block 61 matched with the inclined plane of the matching inclined block 59, a moving connecting groove 33 positioned on the left side of the moving chute 32 is arranged in the processing block 34, a sliding block 26 rotatably connected with the polishing block 27 is slidably connected in the moving connecting groove 33, a cleaning block 25 is fixedly connected with the sliding block 26 to drive a paint spraying device 81 positioned on the left side of the sliding block 26 to be fixedly arranged in the processing block 34, a rust-proof paint box 74 with an upward opening is arranged on the top wall of the left end of the processing machine body 62, a hose 73 is connected between the rust-proof paint box 74 and the paint spraying device 81, a pulley groove 51 is arranged on the right side of the fixing groove 72, and a transmission shaft 23 is rotatably matched between the fixing groove 72 and, the transmission shaft 23 is located be connected with drive gear 24 in the gear drive groove 20, the transmission lead screw 35 is located fixedly connected with in the gear drive groove 20 with the half gear 22 of rotation of drive gear 24 meshing, the transmission lead screw 35 with the wall connection has restriction torsional spring 21 about the gear drive groove 20, the piece of polishing 27 can polish the steel pipe of rusting, the dust that the cleaning block 25 can polish the steel pipe is wiped away, the steel pipe spraying after polishing the friction is gone to paint spraying apparatus 81.

Advantageously, the treatment device further comprises a power shaft 36 rotatably engaged with the left wall of the pulley groove 51 and located on the lower side of the transmission shaft 23, the power shaft 36 and the transmission shaft 23 are located in the pulley groove 51 and are in pulley transmission connection, the power shaft 36 extends leftwards to the left end of the pulley groove 51 and is in power connection with a power motor 50 embedded in the treatment machine body 62, the power shaft 36 is located in the cavity 70 and is fixedly connected with a rotating gear 10 engaged with the rotating gear 12, the transmission shaft 23 rotates to drive the transmission screw 35 to rotate, so that the processing block 34 moves rightwards, and the processing block 34 can only move for a certain distance under the limitation of the limiting torsion spring 21.

The use steps herein are described in detail below with reference to fig. 1-5:

in the initial state, the limiting torsion spring 21 is in a relaxed state, the processing block 34 is at the leftmost side of the cavity 70, the abutting spring 30 is in a relaxed state, the matching inclined block 59 is not in contact with the fixed inclined block 61, the pawl 43 is matched with the ratchet 49, the abutting gear 41 is not meshed with the engaging gear 47, and the engaging spring 52 is in a prevented state.

When a rusted steel pipe needs to be sprayed, the rusted steel pipe is placed between the clamping mechanisms 901, the adjusting motor 65 is started, the position of the adjusting block 66 is adjusted to adapt to the lengths of different rusted steel pipes, then the twisting block 44 is extruded rightwards, the ratchet wheel 49 is disengaged from the pawl 43, the abutting gear 41 is meshed with the engaging gear 47, the twisting block 44 is rotated, the engaging shaft 48 is rotated, the adjusting wheel 13 is driven to rotate, the adjusting gear 15 is rotated, the sliding rack 16 is made to slide, the sliding rack 16 is made to be unfolded to adapt to clamping different inner diameters of the steel pipe, meanwhile, the central shaft 67 drives the rotating shaft 63 to rotate, the clamping mechanism 901 which is rotatably connected with the adjusting block 66 is also adapted to clamping the rusted inner diameter of the steel pipe, then the power motor 50 is started, the power shaft 36 is rotated, and the clamping mechanism 901 drives the rusted steel pipe to rotate, meanwhile, the power shaft 36 drives the transmission screw rod 35 to rotate, so that the processing block 34 moves rightwards, the transmission shaft 23 drives the fixed shaft 54 to rotate, the first spline sleeve 57 rotates to drive the second spline sleeve 58 to rotate, the matching shaft 60 rotates, in the process that the processing block 34 moves rightwards, the matching inclined block 59 is abutted to the fixed inclined block 61, so that the moving block 29 moves downwards, under the cooperation of the abutting spring 30, the polishing block 27 is extruded to abut against a sense organ, meanwhile, the matching shaft 60 drives the moving block 29 to rotate, so that rust of a rusted steel pipe is polished, the cleaning block 25 can change along with the height change of the polishing block 27, the cleaning block 25 cleans dust of the rusted steel pipe, the paint spraying device 81 is started, and antirust paint is sprayed onto the rusted steel pipe from the paint spraying device 81.

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

1. The utility model provides a spraying prosthetic devices to not unidimensional rusty steel pipe, is including handling the organism, its characterized in that: the processor is internally provided with a cavity, the cavity is internally provided with a distance adjusting device, the distance adjusting device comprises a connecting groove arranged at the left side of the cavity, the left side of the connecting groove is provided with a butt groove, a wall body between the butt groove and the cavity is rotatably matched with a connecting shaft, the connecting shaft is positioned in the cavity and fixedly connected with a clamping mechanism, the clamping mechanism comprises an adjusting wheel fixedly connected with the connecting shaft, a rotating groove is arranged in the adjusting wheel, the wall body of the rotating groove is rotatably matched with a rotating shaft, the rotating shaft is positioned in the rotating groove and fixedly connected with a rotating gear, the rotating gear is internally provided with four sliding grooves in an annular array, the sliding grooves are internally and slidably connected with sliding racks, the adjusting wheel is internally provided with arc grooves, the arc grooves are slidably connected with four sliding blocks, and the sliding blocks are rotatably connected with adjusting grooves, the arc-shaped groove is fixedly connected with an adjusting gear which is meshed with the adjusting wheel and the sliding rack, the sliding rack extends to the outer side of the sliding groove and is fixedly connected with a clamping block, the adjusting wheel rotates, the sliding rack extends outwards, thereby clamping the rusted steel pipe, the left wall of the cavity is rotationally matched with a transmission screw rod, the transmission screw rod is in threaded connection with a processing block which is in sliding connection with the cavity, the processing block is internally provided with a processing device which comprises a sliding chute arranged in the processing block, a moving block is interactively connected in the moving chute, the moving block is provided with a moving chute with a downward opening, the sliding connection piece is connected with the sliding connection piece in the moving groove in a sliding mode, the sliding connection piece extends downwards to the outer side of the moving groove and is fixedly connected with a polishing piece, the polishing piece can press the steel pipe to abut against the steel pipe, and the steel pipe with different diameters can be polished.

2. The spray repair device for rusted steel pipes of different sizes according to claim 1, characterized in that: the distance adjusting device is characterized by further comprising an adjusting groove formed in the bottom end of the right side of the cavity, an adjusting screw rod is arranged on the right wall of the adjusting groove in a matched mode, the adjusting screw rod extends to the right side of the adjusting groove and is in power connection with an adjusting motor embedded in the inner wall of the processing machine body, an adjusting block is in threaded connection with the adjusting screw rod and is in sliding connection with the adjusting groove, a transmission groove is formed in the right side of the adjusting groove, a rotating shaft is arranged on the left wall of the transmission groove in a matched mode, a third spline sleeve is in splined connection with the inner side of the adjusting block, and a clamping mechanism is fixedly connected into the cavity.

3. The spray repair device for rusted steel pipes of different sizes according to claim 2, characterized in that: the distance adjusting device further comprises a connecting gear which is positioned in the butt joint groove and fixedly connected with the connecting shaft, the connecting gear is positioned in the butt joint groove, the pawl is fixedly connected with the position, on the left side of the butt joint groove, a central shaft is arranged on the wall body between the butt joint groove and the transmission groove in a rotating fit mode, the central shaft and the rotating shaft are positioned in the transmission groove and connected through belt wheel transmission, a connecting shaft is arranged on the wall body between the butt joint groove and the connecting groove in a rotating fit mode, the connecting shaft and the central shaft are positioned in the butt joint groove and connected through belt wheel transmission, a sliding joint groove is communicated with the right side of the butt joint groove, a butt joint block is connected in the sliding joint groove in a sliding fit mode, a connecting spring is connected between the butt joint block and the right wall of the sliding joint groove, a fourth spline sleeve connected with the connecting shaft in a rotating mode is connected with the right side of the butt joint block, the fourth spline sleeve is positioned, the left side of the butting groove is communicated with a displacement groove, a connecting block is connected in the displacement groove in a sliding mode, the connecting block is located in the butting groove and fixedly connected with a pawl matched with a ratchet wheel and a pawl, and the fourth spline sleeve extends leftwards to a twisting block fixedly connected with the outside of the processor.

4. The spray repair device for rusted steel pipes of different sizes according to claim 3, characterized in that: the processing device also comprises a fixed groove arranged at the left side of the cavity, an extending groove is arranged at the upper side of the cavity, an extending shaft is rotationally matched on a wall body between the extending groove and the fixed groove, a matching block is connected in the extending shaft in a sliding way, a bevel gear transmission groove is arranged in the matching block, the fixed shaft is positioned in the bevel gear transmission groove and is connected with a first spline sleeve in a spline way, the bottom wall of the matching block is rotationally connected with a matching shaft, the matching shaft is connected with a second spline sleeve in the bevel gear transmission groove in a spline way, the second spline sleeve and the first spline sleeve are positioned in the bevel gear transmission groove and are connected through a bevel gear pair, the matching shaft is positioned in the cavity and is connected with a matching oblique block in a sliding way, the matching shaft is connected with the matching oblique block in a sliding way, and a linking spring is connected between the matching oblique, the matching shaft is positioned in the moving chute and is fixedly connected with a moving block, the top wall of the cavity is fixedly connected with a fixed inclined block matched with the inclined plane of the matched inclined block, a moving connecting groove positioned on the left side of the moving chute is formed in the processing block, a sliding block rotationally connected with the polishing block is slidably connected in the moving connecting groove, the sliding block is fixedly connected with a cleaning block and drives the processing block to be internally and fixedly provided with a paint spraying device positioned on the left side of the sliding block, the top wall of the left end of the processing machine body is provided with an upward-opening antirust paint box, a hose is connected between the antirust paint box and the paint spraying device, the right side of the fixing groove is provided with a pulley groove, a wall body between the fixing groove and the gear transmission groove is rotationally matched with a transmission shaft, the transmission shaft is positioned in the gear transmission groove and is connected with a transmission gear, and the transmission screw rod, and the transmission screw rod and the left wall of the gear transmission groove are connected with a limiting torsion spring.

5. The spray repair device for rusted steel pipes of different sizes according to claim 4, characterized in that: the processing device further comprises a power shaft which is matched with the left wall of the belt wheel groove in a rotating mode and is positioned on the lower side of the transmission shaft, the power shaft is positioned in the belt wheel groove and is connected with the transmission shaft through belt wheel transmission, the power shaft extends leftwards to the tail end of the left side of the belt wheel groove and is in power connection with a power motor embedded in the processor body, and the power shaft is positioned in the cavity and is fixedly connected with a rotating gear meshed with the rotating gear.