CN112588483A

CN112588483A - Spraying device for production treatment of heating and ventilation pipe fittings

Info

Publication number: CN112588483A
Application number: CN202011431684.2A
Authority: CN
Inventors: 周凯锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-04-02
Anticipated expiration: 2040-12-10
Also published as: CN112588483B

Abstract

The invention relates to the technical field of heating delivery, in particular to a spraying device for production treatment of heating and ventilation pipe fittings. According to the invention, the gear rotates through the rotation of the second motor, the gear is meshed with the rack, so that the outer cylinder slides towards one side of the second inner column, when a pipeline passes through the paint spraying wheel, the paint spraying wheel is started to enable paint to be completely coated on the outer side wall of the pipeline, the first motor drives the first inner column and the second inner column to rotate, so that the pipeline can rotate circumferentially, when the pipeline passes through the paint coating plate, the sponge roller of the sliding paint plate is extruded and attached to the side wall of the pipeline, the pipeline rotates relative to the paint coating plate, so that the paint on the pipeline is completely and uniformly distributed, the quality of the sprayed pipeline is improved, and the paint is more uniformly coated.

Description

Spraying device for production treatment of heating and ventilation pipe fittings

Technical Field

The invention relates to the technical field of heating delivery, in particular to a spraying device for production treatment of heating and ventilation pipe fittings.

Background

The heating system is divided into water heating system and air heating system, the heating radiator refers to water heating system, namely, a wall-mounted furnace or a boiler is used for heating circulating water, the circulating water is linked to the heating radiator through a pipe, finally, appropriate temperature is output through the heating radiator to form indoor temperature difference, and finally, heat circulation is carried out to enable the whole indoor temperature to rise uniformly. The air heating is used for heating air, the cold air is heated into hot air by the heating plate as soon as the cold air enters, the hot air rises to form convection with the cold air of the room, and the cold air is circulated to the vicinity of the heating air to be heated into hot air.

Because the component of warm logical pipeline is great, the work load that leads to artifical spraying is great, when utilizing the machine to carry out automatic spraying, because the pipeline is circular structure, is difficult to evenly spray it at the pipeline lateral wall, and because gravity reason, paint also can be the landing downwards and concentrate on the bottom of pipeline, leads to the pipeline lateral wall to paint inhomogeneously and cause unsightly and influence the result of use.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a spraying device for producing and treating heating and ventilation pipe fittings, wherein a second motor rotates to drive a gear to rotate, the gear is meshed with a rack, the rack is rotatably sleeved with an outer cylinder through a clamping joint, so that the outer cylinder slides to one side of a second inner column, a fixing mechanism fixed on the outer cylinder can fix pipelines with different specifications to move along with the pipelines, when the pipelines pass through the spraying wheel, the spraying wheel is started to completely coat paint on the outer side wall of the pipeline, the first motor drives the first inner column and the second inner column to rotate, the first inner column drives the outer cylinder to rotate, so that the pipeline on the outer cylinder slides to one side of the second inner column and can also rotate circumferentially, when the pipeline passes through a coating plate, two coating plates are retracted by sliding inwards, and sponge rollers of the coating plates are pressed and attached to the side wall of the pipeline, the pipeline can rotate relative to the coating plates, so that the two coating plates can brush for several weeks around the pipeline, the paint on the pipeline is completely and uniformly distributed, the quality of the spraying pipeline is improved, and the paint is more uniformly coated.

The purpose of the invention can be realized by the following technical scheme:

a spraying device for production and treatment of heating and ventilation pipe fittings comprises a bottom plate and two fixing frames, wherein the two fixing frames are respectively connected with two ends of the bottom plate in a sliding manner, a first inner column and a second inner column are respectively arranged between the two fixing frames and are respectively connected with the corresponding fixing frames in a rotating manner, the outer side walls of the first inner column and the second inner column are respectively provided with four T-shaped chutes which are uniformly distributed, the adjacent ends of the first inner column and the second inner column are respectively and fixedly connected with an L-shaped lug, one sides of the first inner column and the second inner column, which correspond to the L-shaped lugs, are respectively provided with an L-shaped groove, the first inner column and the second inner column are in a butt joint state and a separation state according to the positions of the fixing frames at two ends, when the first inner column and the second inner column are in the butt joint state, the L-shaped lug connected with the first inner column is inserted into the L-shaped groove of the second inner column, and the L-shaped lug connected with the second inner column is inserted, the first inner column can drive the second inner column to rotate while rotating;

an outer barrel is sleeved on the outer side wall of the first inner column in a sliding mode, a T-shaped sliding block is fixedly connected to the position, corresponding to a T-shaped sliding groove, of the inner side wall of the outer barrel, three fixing mechanisms are fixedly connected to two ends of the outer barrel, a rack is arranged at the bottom end of the second inner column, a sliding hole is formed in the position, corresponding to the rack, of the fixing frame, the rack is connected with the fixing frame, corresponding to the second inner column, in a sliding mode through the sliding hole, a clamping joint is fixedly connected to one end, adjacent to the outer barrel, of the rack, a circular groove is formed in the position, corresponding to the clamping joint, of the outer barrel, the clamping joint is rotatably sleeved with the outer barrel through the circular groove, a paint spraying wheel is fixedly connected to the top surface of the bottom plate, corresponding to the joint of the first inner column and the second inner column, a third base is, when the pipeline spraying device is used, a pipeline to be sprayed is sleeved on the outer barrel, the pipeline can synchronously move along with the outer barrel by utilizing the suction disc on the fixing mechanism to be adsorbed on the inner side wall of the pipeline, the outer barrel slides on the outer side wall of the first inner column and the outer side wall of the second inner column through the T-shaped sliding block, the first inner column and the second inner column can also rotate between the fixing frames, the outer barrel can slide to one side of the second inner column and can also rotate circularly, the rack is connected below the second inner column in a sliding manner, one end of the rack is provided with a clamping joint, at the moment, the rack is connected with the outer barrel, the outer barrel and the rack can also rotate mutually, the rack is pulled to enable the outer barrel to slide to one side of the second inner column, one end to the other end of the pipeline completely passes through the spraying wheel, the spraying wheel is started simultaneously, so that paint is sprayed out from the inner side wall of the spraying wheel, the paint, the two coating plates are retracted by sliding inwards, the sponge rollers of the coating plates are extruded and attached to the side walls of the pipeline, the pipeline can rotate relative to the coating plates because the first inner column and the second inner column are always in a rotating state, the two coating plates are painted for several weeks around the pipeline, paint on the pipeline is completely and uniformly distributed, the spraying of the pipeline is completed, the first inner column and the second inner column are separated finally, the pipeline is taken out from the outer barrel, the next pipeline is installed again, and the work cycle is repeated.

Further, the method comprises the following steps: the fixing mechanism comprises a sucker and a second connecting shell, the second connecting shell is fixedly connected with the side wall of the outer barrel, the side wall of the sucker is fixedly connected with a first connecting shell, a triangular clamping block is slidably connected inside the first connecting shell, a sliding button is fixedly connected on one side of the triangular clamping block, which is far away from the sucker, a limiting clamping groove is formed in the position of the second connecting shell, which corresponds to the position of the triangular clamping block, when heating and ventilation pipelines with different specifications are assembled, the position of the sucker in the fixing mechanism can be adjusted due to different inner diameters of the pipelines, the sliding button is firstly slid inwards to move the triangular clamping block connected with the sucker into the first connecting shell, then the position of the first connecting shell is slid up and down in the limiting clamping groove, when the position of the pipeline is adjusted to be suitable for fixing, the sliding button is slid outwards to slide the triangular clamping block out and be clamped with the triangular groove on the, making it suitable for pipes of different specifications.

Further, the method comprises the following steps: two equal fixedly connected with pulley in bottom surface of mount, and the first base of mount top surface fixedly connected with of adjacent first inner prop, the mount top surface fixedly connected with second base of adjacent second inner prop set up the distance that the pulley is convenient for adjust between two mount bottoms, make the butt joint between first inner prop and the second inner prop more convenient.

Further, the method comprises the following steps: the utility model discloses a pipeline, including first base top surface fixedly connected with motor, first motor output and first inner prop fixed connection, second base top surface fixedly connected with second motor, the output fixedly connected with gear of second motor, wheel and rack intermeshing, through the rotation of first inner prop of first motor drive and second inner prop to this rotation that realizes the pipeline rotates, rotates through the second motor and makes the gear engagement rack, makes the slip of rack drive urceolus on first inner prop and second inner prop, with this slip that realizes the pipeline.

Further, the method comprises the following steps: the utility model discloses a pipeline side wall painting device, including third base, screw rod, first coating board, second coating board, baffle, third base, screw rod, threaded connection between screw rod and the third base, the top fixedly connected with knob of screw rod, two adjacent one sides of coating board all rotate and are connected with the sponge cylinder, and two coating boards deviate from the equal fixedly connected with plate washer in one side, set up the sponge cylinder and be convenient for the coating board with the paint of pipeline side wall whitewash evenly, set up the baffle and avoid the coating board to slide from the third base and break away from, rotate the knob simultaneously and close the screw rod soon.

Further, the method comprises the following steps: the distance between the two fixing frames is equal to the sum of the lengths of the first inner column and the second inner column, and the first inner column and the second inner column are in a butt joint state initially.

Further, the method comprises the following steps: polyethylene protecting film has been laid to the top surface of bottom plate, the equal fixedly connected with paint recovery tank in both sides of the corresponding wheel that sprays paint of top surface of bottom plate, polyethylene protecting film avoids making dirty the bottom plate from the paint that drips on the pipeline, sets up paint recovery tank in the both sides of the wheel that sprays paint and makes the unnecessary paint ability recycle of the wheel spun that sprays paint.

The invention has the beneficial effects that:

1. the gear is rotated through the rotation of the second motor, the gear is meshed with the rack, the rack is rotatably sleeved with the outer barrel through the clamping joint, the outer barrel slides towards one side of the second inner column, the fixing mechanism fixed on the outer barrel can fix pipelines with different specifications, the pipelines move along with the pipelines, and when the pipelines pass through the paint spraying wheel, the paint spraying wheel is started to completely paint the outer side wall of the pipeline, so that the automatic paint spraying of the pipeline is realized, the workload of manual paint spraying is reduced, and the paint spraying efficiency of the pipeline is improved;

2. through the rotation of first inner prop of motor drive and second inner prop, first inner prop drives the urceolus and rotates, make the pipeline on the urceolus both slide to second inner prop one side, can carry out the circumferential rotation again, when the pipeline passes through the coating board, two coating boards of the shrink of inside slip, the sponge cylinder that makes the coating board pastes with the lateral wall extrusion of pipeline and pastes and lean on, the pipeline will be relative and rotate between the coating board, make two coating boards around pipeline whitewash several weeks, make the paint on the pipeline distribute evenly completely, the quality of spraying pipeline has been improved, make the paint more evenly.

Drawings

The invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic structural view of the outer tub and the fixing mechanism in the present invention;

FIG. 3 is a schematic view of the internal structure of the fixing mechanism according to the present invention;

FIG. 4 is a schematic structural view of the first inner column and the second inner column and the corresponding fixing frame of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic cross-sectional view of the joint of the first inner column and the second inner column of the present invention;

FIG. 7 is a schematic diagram of the position relationship between two fixing frames and the second motor and the gear according to the present invention.

In the figure: 100. a base plate; 200. a fixed mount; 210. a first base; 220. a first motor; 230. a second base; 240. a second motor; 250. a gear; 300. a paint spraying wheel; 400. a fixing mechanism; 410. a suction cup; 420. a first connecting shell; 421. a triangular clamping block; 422. a slide button; 430. a second connection housing; 431. a limiting clamping groove; 500. a third base; 510. coating plates; 520. a screw; 530. a knob; 600. a first inner column; 610. a second inner column; 620. an L-shaped projection; 630. an L-shaped slot; 640. a T-shaped chute; 700. a rack; 710. a clamping head; 800. an outer cylinder; 810. t-shaped sliding blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a spraying apparatus for heating and ventilation pipe production includes a base plate 100 and two fixing frames 200, the two fixing frames 200 are slidably connected to two ends of the base plate 100, a first inner column 600 and a second inner column 610 are disposed between the two fixing frames 200, the first inner column 600 and the second inner column 610 are rotatably connected to the corresponding fixing frames 200, four uniformly distributed T-shaped chutes 640 are disposed on outer sidewalls of the first inner column 600 and the second inner column 610, an L-shaped protrusion 620 is fixedly connected to an adjacent end of the first inner column 600 and the second inner column 610, an L-shaped groove 630 is disposed on a side of the first inner column 600 and the second inner column 610 corresponding to the L-shaped protrusion 620, the first inner column 600 and the second inner column 610 are in a butt-joint state and a separation state according to positions of the fixing frames 200 at two ends, when in the butt-joint state, the L-shaped protrusion 620 connected to the first inner column 600 is inserted into the L-shaped groove 630 of the second inner column 610, because the L-shaped projection 620 connected with the second inner column 610 is inserted into the L-shaped groove 630 of the first inner column 600, the second inner column 610 is driven to rotate while the first inner column 600 rotates;

the outer barrel 800 is slidably sleeved on the outer side wall of the first inner column 600, a T-shaped sliding block 810 is fixedly connected to the inner side wall of the outer barrel 800 at a position corresponding to a T-shaped sliding groove 640, three fixing mechanisms 400 are fixedly connected to two ends of the outer barrel 800, a rack 700 is arranged at the bottom end of the second inner column 610, a sliding hole is formed in the position of the fixing frame 200 corresponding to the rack 700, the rack 700 is slidably connected with the fixing frame 200 corresponding to the second inner column 610 through the sliding hole, a clamping joint 710 is fixedly connected to one end of the outer barrel 700 adjacent to the outer barrel 800, an annular groove is formed in the position of the outer barrel 800 corresponding to the clamping joint 710, the clamping joint 710 is rotatably sleeved with the outer barrel 800 through the annular groove, a paint spraying wheel 300 is fixedly connected to the top surface of the bottom plate 100 at a position corresponding to the connection of the first inner column 600 and the second inner column 610, a third base 500 is fixedly connected to the top surface of the bottom, when the spraying device is used, a pipeline to be sprayed is sleeved on the outer cylinder 800, the suction cup 410 on the fixing mechanism 400 is adsorbed on the inner side wall of the pipeline, so that the pipeline can synchronously move along with the outer cylinder 800, the outer cylinder 800 slides on the outer side walls of the first inner column 600 and the second inner column 610 through the T-shaped sliding block 810, simultaneously the first inner column 600 and the second inner column 610 can also rotate between the fixing frames 200, the outer cylinder 800 can slide towards one side of the second inner column 610 and can also rotate circumferentially, the rack 700 is connected below the second inner column 610 in a sliding manner, one end of the rack 700 is provided with the clamping joint 710, at the moment, the rack 700 and the outer cylinder 800 are connected, simultaneously the outer cylinder 800 and the rack 700 can also rotate mutually, the rack 700 is pulled to slide towards one side of the second inner column 610, one end to the other end of the pipeline completely passes through the spraying wheel 300, and the spraying wheel 300 is started, so that paint is sprayed out, when the outer cylinder 800 slides continuously, the pipeline on the outer cylinder slides inwards to shrink the two coating plates 510 through the positions of the coating plates 510, so that the sponge rollers of the coating plates 510 are extruded and attached to the side walls of the pipeline, the pipeline rotates relative to the coating plates 510 because the first inner column 600 and the second inner column 610 are always in a rotating state, the two coating plates 510 brush around the pipeline for several weeks, so that the paint on the pipeline is completely and uniformly distributed, the spraying of the pipeline is finished, finally, the first inner column 600 and the second inner column 610 are separated, the pipeline is taken out from the outer cylinder 800, a next pipeline is mounted again, and the operation of the working cycle is repeated.

The fixing mechanism 400 comprises a suction cup 410 and a second connecting shell 430, the second connecting shell 430 is fixedly connected with the side wall of the outer cylinder 800, the side wall of the suction cup 410 is fixedly connected with a first connecting shell 420, a triangular clamping block 421 is slidably connected in the first connecting shell 420, a sliding button 422 is fixedly connected on the side of the triangular clamping block 421, which is far away from the suction cup 410, a position-limiting clamping groove 431 is formed in the second connecting shell 430, which corresponds to the position of the triangular clamping block 421, when heating and ventilation pipelines with different specifications are assembled, the position of the suction cup 410 in the fixing mechanism 400 can be adjusted due to different inner diameters of the pipelines, firstly, the sliding button 422 slides inwards to enable the triangular clamping block 421 connected with the sliding button to move into the first connecting shell 420, then slides the position of the first connecting shell 420 up and down in the position-limiting clamping groove 431, when the position of the pipeline is adjusted to be fixed, the sliding button 422 slides outwards to enable the triangular clamping block, and the fixing is kept, so that the device is suitable for pipelines with different specifications. The equal fixedly connected with pulley in bottom surface of two mounts 200, and the mount 200 top surface fixedly connected with first base 210 of adjacent first interior post 600, mount 200 top surface fixedly connected with second base 230 of adjacent second interior post 610 set up the distance that the pulley is convenient for adjust between two mounts 200 bottoms, make the butt joint between first interior post 600 and the second interior post 610 more convenient. The top surface of the first base 210 is fixedly connected with a first motor 220, the output end of the first motor 220 is fixedly connected with the first inner column 600, the top surface of the second base 230 is fixedly connected with a second motor 240, the output end of the second motor 240 is fixedly connected with a gear 250, the gear 250 is meshed with a rack 700, the first motor 220 drives the first inner column 600 and the second inner column 610 to rotate, so that the pipeline can rotate, the gear 250 is meshed with the rack 700 through the rotation of the second motor 240, so that the rack 700 drives the outer cylinder 800 to slide on the first inner column 600 and the second inner column 610, and the pipeline can slide.

The top of third base 500 all is provided with screw rod 520, threaded connection between screw rod 520 and the third base 500, the top fixedly connected with knob 530 of screw rod 520, two adjacent one sides of scribbling flitch 510 all rotate and are connected with the sponge cylinder, two scribble flitch 510 deviate from the equal fixedly connected with guard plate in one side, it is even to set up the paint whitewash of pipeline lateral wall with scribbling flitch 510 of being convenient for of sponge cylinder, it avoids scribbling flitch 510 to slide from third base 500 and breaks away from to set up the baffle, it closes the position that screw rod 520 made scribble the flitch soon to rotate knob 530 simultaneously and fixes. The distance between the two fastening frames 200 is equal to the sum of the lengths of the first inner column 600 and the second inner column 610, and the first inner column 600 and the second inner column 610 are in a butt joint state initially. Polyethylene protective film has been laid to the top surface of bottom plate 100, and the equal fixedly connected with paint recovery tank in both sides of the corresponding wheel 300 that sprays paint of top surface of bottom plate 100, polyethylene protective film avoid making dirty bottom plate 100 from the paint that drips on the pipeline, set up paint recovery tank in the both sides of the wheel 300 that sprays paint and make the unnecessary paint of the wheel 300 spun of spraying paint recycle.

The working principle is as follows: when the pipeline spraying device is used, a pipeline to be sprayed is sleeved on the outer cylinder 800, the sucker 410 on the fixing mechanism 400 is adsorbed on the inner side wall of the pipeline, the position of the sucker 410 in the fixing mechanism 400 can be adjusted due to different inner diameters of the pipeline, the sliding button 422 is firstly slid inwards to enable the triangular clamping block 421 connected with the sucker to move into the first connecting shell 420, then the position of the first connecting shell 420 is slid up and down in the limiting clamping groove 431, when the position is adjusted to be suitable for fixing the pipeline, the sliding button 422 is slid outwards to enable the triangular clamping block 421 to slide out and be clamped with the triangular groove on the side edge of the limiting clamping groove 431 to be kept fixed, so that the pipeline spraying device is suitable for pipelines with different specifications, the pipeline can synchronously move along with the outer cylinder 800, the outer cylinder 800 slides on the outer side walls of the first inner column 600 and the second inner column 610 through the T-shaped sliding block 810, and simultaneously the first inner column 600, the lower part of the second inner column 610 is slidably connected with the rack 700, one end of the rack 700 is provided with a clamping joint 710, a bump on the clamping joint 710 is clamped inside a circular groove on the side wall of the outer cylinder 800, the rack 700 and the outer cylinder 800 are connected through the clamping joint 710, meanwhile, the outer cylinder 800 and the rack 700 can rotate mutually through the clamping joint 710, the gear 250 rotates through the rotation of the second motor 240, the rack 700 meshed with the gear 250 drives the outer cylinder 800 to slide towards one side of the second inner column 610, one end to the other end of the pipeline completely passes through the paint spraying wheel 300, simultaneously, the paint spraying wheel 300 is started, so that the paint is sprayed out from the inner side wall of the paint spraying wheel 300, the paint is completely coated on the outer side wall of the pipeline, when the outer cylinder 800 continues to slide inwards to shrink two paint coating plates 510 through the position of the paint coating plates 510, the sponge rollers of the paint coating plates 510 are pressed against the side wall of the pipeline, and the first inner column 600 and the second, thus, the rotation of the pipe is realized, the pipe rotates relative to the coating plates 510, so that the two coating plates 510 are coated for several circles around the pipe, the paint on the pipe is completely and uniformly distributed, the spraying of the pipe is completed, finally, the first inner column 600 and the second inner column 610 are separated, the pipe is taken out from the outer cylinder 800, the next pipe is installed again, and the work cycle is repeated.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. The spraying device for the production and treatment of the heating and ventilation pipe fitting comprises a bottom plate (100) and two fixing frames (200), and is characterized in that the two fixing frames (200) are respectively connected to two ends of the bottom plate (100) in a sliding manner, a first inner column (600) and a second inner column (610) are respectively arranged between the two fixing frames (200), the first inner column (600) and the second inner column (610) are respectively connected with the corresponding fixing frames (200) in a rotating manner, four T-shaped sliding grooves (640) which are uniformly distributed are respectively formed in the outer side walls of the first inner column (600) and the second inner column (610), L-shaped convex blocks (620) are fixedly connected to adjacent ends of the first inner column (600) and the second inner column (610), and L-shaped grooves (630) are formed in one sides of the first inner column (600) and the second inner column (610) corresponding to the L-shaped convex blocks (620);

the outer cylinder (800) is sleeved on the outer side wall of the first inner column (600) in a sliding mode, a T-shaped sliding block (810) is fixedly connected to the position, corresponding to a T-shaped sliding groove (640), of the inner side wall of the outer cylinder (800), three fixing mechanisms (400) are fixedly connected to the two ends of the outer cylinder (800), a rack (700) is arranged at the bottom end of the second inner column (610), a sliding hole is formed in the position, corresponding to the rack (700), of the fixing frame (200), the rack (700) is connected with the fixing frame (200) corresponding to the second inner column (610) in a sliding mode through the sliding hole in a sliding mode, a clamping joint (710) is fixedly connected to one end, adjacent to the outer cylinder (800), of the rack (700), a circular groove is formed in the position, corresponding to the clamping joint (710), of the clamping joint (710) is rotatably sleeved with the outer cylinder (800) through the circular groove, a paint spraying wheel (300) is fixedly connected to the connecting position, corresponding to the, the equal fixedly connected with third base (500) in both sides that bottom plate (100) top surface corresponds second inner prop (610), third base (500) side corresponds second inner prop (610) position department all sliding connection has scribble flitch (510).

2. The spraying device for the production processing of the heating and ventilation pipe fitting as claimed in claim 1, wherein the fixing mechanism (400) comprises a suction cup (410) and a second connecting shell (430), the second connecting shell (430) is fixedly connected with the side wall of the outer cylinder (800), the side wall of the suction cup (410) is fixedly connected with a first connecting shell (420), the first connecting shell (420) is internally and slidably connected with a triangular clamping block (421), the triangular clamping block (421) deviates from the side of the suction cup (410) and is fixedly connected with a sliding button (422), and the second connecting shell (430) is provided with a limiting clamping groove (431) at a position corresponding to the triangular clamping block (421) in a secondary comparison manner.

3. The spraying device for the production and treatment of the heating and ventilation pipe fitting as claimed in claim 1, wherein pulleys are fixedly connected to the bottom surfaces of the two fixing frames (200), a first base (210) is fixedly connected to the top surface of the fixing frame (200) adjacent to the first inner column (600), and a second base (230) is fixedly connected to the top surface of the fixing frame (200) adjacent to the second inner column (610).

4. The spraying device for the production and treatment of the heating and ventilation pipe fitting as claimed in claim 3, wherein a first motor (220) is fixedly connected to the top surface of the first base (210), the output end of the first motor (220) is fixedly connected to the first inner column (600), a second motor (240) is fixedly connected to the top surface of the second base (230), a gear (250) is fixedly connected to the output end of the second motor (240), and the gear (250) and the rack (700) are meshed with each other.

5. The spraying device for the production and treatment of the heating and ventilation pipe fitting as claimed in claim 1, wherein the top end of the third base (500) is provided with a screw (520), the screw (520) is in threaded connection with the third base (500), the top end of the screw (520) is fixedly connected with a knob (530), the adjacent sides of the two coating plates (510) are rotatably connected with a sponge roller, and the sides of the two coating plates (510) which are away from each other are fixedly connected with a baffle plate.

6. The spraying device for the production process of heating and ventilation pipe fittings as claimed in claim 1, wherein the distance between the two fixing frames (200) is equal to the sum of the lengths of the first inner column (600) and the second inner column (610).

7. The spraying device for the production and treatment of the heating and ventilation pipe fitting as claimed in claim 1, wherein a polyethylene protective film is laid on the top surface of the bottom plate (100), and paint recycling grooves are fixedly connected to the two sides of the top surface of the bottom plate (100) corresponding to the paint spraying wheels (300).