Anti-corrosion coating spraying equipment for metal product processing

Abstract

The invention discloses an anti-corrosion coating spraying device for metal product processing, which belongs to the technical field of metal product processing. A plurality of spraying components are moved downward and contact with the surface of a workpiece. After the spraying nozzle is pressurized, it will extend into the interior of a support box. Because the plurality of spraying nozzles are in contact with the surface of the workpiece and are pressurized, the sliding guide tube drives two positioning components to move through a retaining ring. When the side plate in the positioning component drives the sliding block to move upward, the elastic force of a second spring is supported to enable the sliding block to drive the clamping block to be clamped into a clamping groove, thereby achieving the purpose of locking the sliding guide tube and the spraying nozzle. Secondly, the extension of the multi-stage electric hydraulic rod is controlled, and the sliding column drives the support box to move upward through a fixed frame, so that the spraying nozzle is separated from the workpiece. The spraying machine adapter on the connecting pipe is connected to an external spraying machine, and the workpiece can be sprayed, thereby ensuring that the distances between each spraying nozzle and the corresponding position of the workpiece below are consistent, achieving the purpose of uniform spraying of the workpiece, ensuring the uniformity of the thickness of the anti-corrosion coating, and thus improving the product performance.

Description

Technical Field

[0001] The invention relates to the technical field of metal processing, in particular to an anti-corrosion coating spraying device for metal product processing. Background Art

[0002] During the processing of metal products, an anti-corrosion coating is usually applied to the metal surface to protect the metal products. The anti-corrosion coating can form a protective film, which effectively isolates the metal surface from the external environment, prevents metal corrosion, and extends the service life of the metal.

[0003] At present, in the process of spraying metal products, multiple groups of nozzles are usually used to spray synchronously. Since different types of metal products have different surface shapes and the heights of multiple groups of nozzles are consistent, it is difficult to ensure the consistency of coating thickness at the spraying position on the metal product due to the difference in spraying height. The uneven thickness of the anti-corrosion coating can easily affect the product performance. Summary of the invention

[0004] The purpose of the present invention is to provide an anti-corrosion coating spraying equipment for metal product processing, so as to solve the problem raised in the above background technology that different types of metal products have different surface shapes and the heights of multiple groups of nozzles are consistent, which is affected by the spraying height difference and it is difficult to ensure the consistency of the coating thickness at the spraying position on the metal product, and the uneven thickness of the anti-corrosion coating is easily affected by the problem of product performance.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An anti-corrosion coating spraying device for metal product processing, comprising a spraying machine frame, a support beam is installed on the spraying machine frame, two ends of the support beam are respectively provided with moving mechanisms, two moving mechanisms are respectively installed on both sides of the top of the spraying machine frame, a column is installed in the middle of the support beam, an adjustment component is slidably connected in the column, one end of the adjustment component is fixed to the support beam, the bottom end of the adjustment component is connected to a support box, a plurality of through holes are equidistantly opened at the bottom of the support box, a spraying component is installed in the through hole, the top ends of the plurality of spraying components are connected to the bottom of the adjustment component, and the two sides of the spraying component are respectively fixedly connected with positioning components;

[0007] The front and rear sides of the support box are provided with sliding holes corresponding to the positions of the positioning components, the positioning components are slidably connected in the sliding holes, one end of the positioning component away from the spraying component is clamped with the limiting component, the front and rear sides of the support box are provided with two slideways corresponding to the positions of the limiting components, the limiting components are slidably connected in the two slideways, the front and back sides of the support box are provided with magnetic components, the magnetic components are installed on the adjustment components, and the magnetic components pass through several limiting components, a protective component is provided above the magnetic component, and the protective component is installed on the front and rear sides of the support box.

[0008] As a further solution of the present invention, a mounting platform is provided below the support box, a plurality of leakage holes are opened on the mounting platform, a reinforcement block is fixedly connected to the top of the support box, and two reinforcement blocks are fixed to both sides of the bottom of the adjustment component.

[0009] As a further solution of the present invention, the adjustment component includes a sliding column, which is slidably connected to the column, the bottom end of the sliding column is fixedly connected to a fixed frame, the fixed frame is clamped outside the support box, the top of the sliding column is fixedly connected to a multi-stage electric hydraulic rod, and the bottom end of the multi-stage electric hydraulic rod is fixed to the support beam.

[0010] As a further solution of the present invention, a connecting pipe is provided through the middle of the sliding column, the bottom end of the connecting pipe passes through the fixed frame and the support box and is connected to a distribution pipe, the distribution pipe is installed at the top of the support box, the bottom of the distribution pipe is connected to the top of several spray components, and a spray machine adapter is installed at the end of the connecting pipe away from the distribution pipe.

[0011] As a further solution of the present invention, the spray assembly includes a sliding guide tube, the sliding guide tube is outer-connected with a sliding sleeve, the sliding sleeve is clamped in the through hole at the bottom of the support box, a spray nozzle is installed at the bottom end of the sliding guide tube, a retaining ring is clamped outside the sliding guide tube, and a first spring is outer-connected with the sliding guide tube, the first spring is fixed between the inner wall of the support box and the retaining ring, the top end of the sliding guide tube is connected to a connecting hose, the top end of the connecting hose is connected to the bottom of the adjusting assembly, and the positioning assembly is fixedly connected to the retaining ring.

[0012] As a further solution of the present invention, the positioning assembly includes a side plate, which is fixed on the spraying assembly, and a slide groove is opened on the side of the side plate away from the spraying assembly, a slider is slidably connected in the slide groove, and the slider is slidably connected in the slide hole, a clamping block is fixedly connected on the side of the slider close to the limiting assembly, and a second spring is fixedly connected on the side of the slider away from the clamping block, an end of the second spring is fixed on the inner wall of the slide groove, the top of the clamping block is inclined, and the bottom of the clamping block is horizontal, and the clamping block is clamped inside the limiting assembly.

[0013] As a further solution of the present invention, the limit assembly includes a sliding frame, which is slidably connected in two slideways, and the inner wall of the sliding frame is provided with a plurality of slots. The card block is connected to one of the slots, and the shape of the card block is adapted to the shape of the slot. Two third springs are respectively fixed to the top and bottom of the sliding frame, and the third springs are fixed between the sliding frame and the inner wall of the support box. A through hole is provided on the side of the sliding frame away from the support box, and a magnetic attraction plate is provided on the inner wall of the through hole.

[0014] As a further solution of the present invention, the magnetic attraction component includes an electromagnetic seat, which is installed on the adjustment component. Electromagnetic extension plates are respectively installed on both sides of the magnetic attraction component. The electromagnetic extension plates penetrate a plurality of through holes and are in contact with the magnetic attraction plates.

[0015] As a further solution of the present invention, the protection component includes two adsorption covers, which are respectively installed on the front and rear sides of the support box. An air duct is provided at the bottom of the adsorption cover, and two branch pipes are connected to the top of the adsorption cover, and an exhaust connection pipe is connected between the two opposite branch pipes.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention places a metal workpiece on a mounting table. Before spraying the metal workpiece, the multi-stage electric hydraulic rod is controlled to work to shrink it and drive the support box to move downward through the sliding column and the fixed frame. The support box can drive multiple spraying components to move downward and contact the surface of the workpiece. As the spraying components continue to move downward, the spray nozzles in the spraying components are pressed and extend into the support box. Because the multiple spray nozzles are in contact with the surface of the workpiece and are pressed, in the process of the spray nozzle driving the sliding guide tube to move, the sliding guide tube drives the two positioning components to move through the retaining ring. When the side plate in the positioning component drives the slider to move upward, the block on the slider can move inside the limit component. When the sliding guide tube no longer moves, the elastic force of the second spring is used to support the sliding block, so that the sliding guide tube and the spray nozzle are locked, so that the multiple spray nozzles extend out of the support box to different distances. Secondly, the multi-stage electric hydraulic rod is controlled to extend, so that the sliding column drives the support box to move upward through the fixed frame, so that the spray nozzle at the bottom of the support box is separated from the workpiece, and the spray machine adapter on the connecting pipe is connected to the external sprayer, and the workpiece can be started to be sprayed, thereby ensuring that the distance between each spray nozzle and the corresponding position of the workpiece below is consistent, so as to achieve the purpose of uniform spraying of the workpiece, ensure the uniformity of the thickness of the anti-corrosion coating, and thus improve the product performance.

[0018] 2. The present invention drives the support beam and the support box to move horizontally through the moving mechanism, and can spray the workpiece on the mounting table at a uniform speed. After the spraying work is completed, the electromagnetic seat is controlled to be powered off, so that the magnetism of the electromagnetic extension plate and the magnetic attraction plate in the perforation disappears, and the third spring is contracted to pull the slide frame so that the slide frame can slide in the slideway on the support box. After the slide frame is away from the side plate, the card block is disengaged from the card slot in the slide frame, so that the card block and the side plate are in a free movable state, and the pulling force of the first spring pulls the retaining ring, and the retaining ring drives the spray nozzle to move downward through the sliding guide tube, so that the spray nozzle can return to the initial position, and all the spray nozzles are in a flush state at this time, so as to facilitate equidistant spraying of the surfaces of workpieces of different specifications next time, thereby improving the convenience of operation and the spraying efficiency.

[0019] 3. The present invention adds a plurality of leakage holes on the mounting platform so that the residual paint can flow out through the leakage holes, thereby preventing the residual paint on the mounting platform from adhering to the workpiece and affecting its spraying uniformity. When the spray nozzle sprays the workpiece, the exhaust pipe is connected to the fan, and part of the atomized paint produced by the spraying can be extracted by the air duct at the bottom of the adsorption hood. The adsorption hood is located on the front and rear sides of the support box, which can expand the extraction range and prevent the atomized paint from spreading around. The extracted atomized paint can enter the filter in the fan through the branch pipe and the exhaust pipe for purification, thereby improving the environmental friendliness of the use of the spraying equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the present invention from the rear;

[0023] Figure 3 It is a schematic diagram of the structure of the support box and the spraying assembly of the present invention;

[0024] Figure 4 It is a structural schematic diagram of the protection component of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the cross section of the support box of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the regulating assembly of the present invention;

[0027] Figure 7 It is a structural schematic diagram of the spraying assembly of the present invention;

[0028] Figure 8 It is a structural schematic diagram of the positioning assembly of the present invention;

[0029] Fig. 9 It is a structural schematic diagram of the limit assembly of the present invention;

[0030] Fig.10 It is a schematic diagram of the structure of the support box and the magnetic suction assembly of the present invention.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 1. Spraying machine frame; 2. Support beam; 3. Moving mechanism; 4. Column; 5. Adjustment assembly; 501. Sliding column; 502. Fixed frame; 503. Multi-stage electric hydraulic rod; 504. Connecting pipe; 505. Distributing pipe; 506. Spraying machine adapter; 6. Reinforcement block; 7. Support box; 8. Through hole; 9. Spraying assembly; 901. Sliding guide tube; 902. Spraying nozzle; 903. Sliding sleeve; 904. Retaining ring; 905. First spring; 906. Connecting hose; 10. Positioning assembly; 101 , side panel; 102, slide groove; 103, slider; 104, block; 105, second spring; 11, slide hole; 12, limit assembly; 121, slide frame; 122, slot; 123, third spring; 124, perforation; 125, magnetic plate; 13, slideway; 14, magnetic assembly; 141, electromagnetic seat; 142, electromagnetic extension plate; 15, protection assembly; 151, adsorption cover; 152, air duct; 153, branch pipe; 154, exhaust connection pipe; 16, mounting platform; 17, leakage hole. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-Figure 10 , the present invention provides a technical solution:

[0035] An anti-corrosion coating spraying device for metal product processing, comprising a spraying machine frame 1, a support beam 2 is installed on the spraying machine frame 1, and moving mechanisms 3 are respectively provided at both ends of the support beam 2, and two moving mechanisms 3 are respectively installed on both sides of the top of the spraying machine frame 1, a column 4 is installed in the middle of the support beam 2, an adjustment component 5 is slidably connected in the column 4, one end of the adjustment component 5 is fixed to the support beam 2, the bottom end of the adjustment component 5 is connected to a support box 7, a plurality of through holes 8 are equidistantly opened at the bottom of the support box 7, a spraying component 9 is installed in the through hole 8, the top ends of the plurality of spraying components 9 are all connected to the bottom of the adjustment component 5, and positioning components 10 are respectively fixedly connected to the two sides of the spraying component 9;

[0036] Slide holes 11 are respectively provided on the front and rear sides of the support box 7 at the positions corresponding to the positioning components 10, the positioning components 10 are slidably connected in the slide holes 11, the end of the positioning components 10 away from the spraying component 9 is clamped with the limiting component 12, and two slideways 13 are provided on the front and rear sides of the support box 7 at the positions corresponding to the limiting components 12, the limiting components 12 are slidably connected in the two slideways 13, magnetic components 14 are respectively provided on the front and back sides of the support box 7, the magnetic components 14 are installed on the adjustment components 5, and the magnetic components 14 pass through several limiting components 12, and a protective component 15 is provided above the magnetic component 14, and the protective component 15 is installed on the front and rear sides of the support box 7.

[0037] As a further solution of the present invention, a mounting platform 16 is provided under the support box 7, and a plurality of leakage holes 17 are opened on the mounting platform 16. A reinforcement block 6 is fixedly connected to the top of the support box 7, and two reinforcement blocks 6 are fixed to both sides of the bottom of the adjustment component 5.

[0038] During operation, when the metal workpiece is sprayed, the remaining paint can flow out through the leak hole 17, preventing the remaining paint on the mounting platform 16 from adhering to the workpiece.

[0039] As a further solution of the present invention, the adjustment component 5 includes a sliding column 501, which is slidably connected to the column 4. The bottom end of the sliding column 501 is fixedly connected to a fixed frame 502, and the fixed frame 502 is clamped on the outside of the support box 7. The top of the sliding column 501 is fixedly connected to a multi-stage electric hydraulic rod 503, and the bottom end of the multi-stage electric hydraulic rod 503 is fixed to the support beam 2.

[0040] During operation, the multi-stage electric hydraulic rod 503 is controlled to work so that the support box 7 can be driven to move up and down through the slide column 501 and the fixed frame 502, so as to adjust the distance between the spraying assembly 9 and the workpiece arbitrarily.

[0041] As a further solution of the present invention, a connecting pipe 504 is provided through the middle of the sliding column 501, the bottom end of the connecting pipe 504 passes through the fixed frame 502 and the support box 7 and is connected to a distribution pipe 505, the distribution pipe 505 is installed at the top of the support box 7, the bottom of the distribution pipe 505 is connected to the top of several spray components 9, and a sprayer adapter 506 is installed at the end of the connecting pipe 504 away from the distribution pipe 505.

[0042] When working, the distribution pipe 505 can evenly introduce the paint into the interior of the spraying assembly 9, so as to achieve the purpose of split-flow spraying and expand the spraying range.

[0043] As a further solution of the present invention, the spray assembly 9 includes a sliding guide tube 901, the sliding guide tube 901 is outerly connected to a sliding sleeve 903, the sliding sleeve 903 is clamped in the through hole 8 at the bottom of the support box 7, a spray nozzle 902 is installed at the bottom end of the sliding guide tube 901, the sliding guide tube 901 is outerly clamped to a retaining ring 904, and the sliding guide tube 901 is outerly connected to a first spring 905, the first spring 905 is fixed between the inner wall of the support box 7 and the retaining ring 904, the top end of the sliding guide tube 901 is connected to a connecting hose 906, the top end of the connecting hose 906 is connected to the bottom of the adjusting assembly 5, and the positioning assembly 10 is fixedly connected to the retaining ring 904.

[0044] During operation, when the sliding guide tube 901 is in contact with the locking state, the retaining ring 904 is pulled by the pulling force of the first spring 905, and the retaining ring 904 drives the spray nozzle 902 to move to the initial position through the sliding guide tube 901, so that the position of the spray nozzle 902 can be freely adjusted next time.

[0045] As a further solution of the present invention, the positioning assembly 10 includes a side panel 101, which is fixed on the spray assembly 9. A slide groove 102 is provided on the side of the side panel 101 away from the spray assembly 9. A slider 103 is slidably connected in the slide groove 102. The slider 103 is slidably connected in the slide hole 11. A block 104 is fixedly connected on the side of the slider 103 close to the limiting assembly 12. A second spring 105 is fixedly connected on the side of the slider 103 away from the block 104. The end of the second spring 105 is fixed on the inner wall of the slide groove 102. The top of the block 104 is inclined, and the bottom of the block 104 is horizontal. The block 104 is clamped in the inside of the limiting assembly 12.

[0046] During operation, when the block 104 moves upward, the inclined surface at the top of the block 104 can automatically retract into the slide groove 102 when it contacts the inside of the slide frame 121. There is no need for manual assistance to adjust the position of the block 104 to assist in the locking work of the block 104. The bottom of the block 104 is a plane to prevent the block 104 from moving downward.

[0047] As a further solution of the present invention, the limit assembly 12 includes a sliding frame 121, which is slidably connected to the two slides 13. The inner wall of the sliding frame 121 is provided with a plurality of slots 122. The block 104 is engaged in one of the slots 122, and the block 104 is adapted to the shape of the slot 122. Two third springs 123 are respectively fixed to the top and bottom of the sliding frame 121. The third spring 123 is fixed between the sliding frame 121 and the inner wall of the support box 7. A through hole 124 is provided on the side of the sliding frame 121 away from the support box 7, and a magnetic attraction plate 125 is provided on the inner wall of the through hole 124.

[0048] During operation, when the magnetic attraction plate 125 on the sliding frame 121 is not magnetically attracted, the sliding frame 121 is driven to move by the pulling force of the third spring 123, so that the sliding frame 121 is away from the side plate 101, and the card block 104 can automatically detach from the card slot 122, without the need for human assistance, thereby improving the convenience of operation.

[0049] As a further solution of the present invention, the magnetic attraction component 14 includes an electromagnetic seat 141, which is installed on the adjustment component 5. Electromagnetic extension plates 142 are respectively installed on both sides of the magnetic attraction component 14. The electromagnetic extension plates 142 pass through several through holes 124 and contact the magnetic attraction plates 125.

[0050] During operation, when the electromagnetic base 141 is powered on, the electromagnetic extension plate 142 generates magnetism and attracts the magnetic attraction plate 125 to prevent the sliding frame 121 from sliding freely and affecting the positioning of the block 104 on the side plate 101 and the sliding guide tube 901 .

[0051] As a further solution of the present invention, the protective component 15 includes two adsorption covers 151, which are respectively installed on the front and rear sides of the support box 7. An air duct 152 is provided at the bottom of the adsorption cover 151, and two branch pipes 153 are connected to the top of the adsorption cover 151. An exhaust connection pipe 154 is connected between the two opposite branch pipes 153.

[0052] During operation, part of the atomized paint produced by spraying can be extracted by the air duct 152 at the bottom of the adsorption cover 151. The adsorption cover 151 is located at the front and rear sides of the support box 7 and expands the extraction range to prevent the atomized paint from spreading around and polluting the environment.

[0053] Working principle of the present invention: When in use, place the metal workpiece on the mounting table 16, connect the sprayer adapter 506 on the connecting pipe 504 to the external sprayer, connect the exhaust pipe 154 to the ventilator, and before spraying the metal workpiece, control the multi-stage electric hydraulic rod 503 to work to shrink it and drive the support box 7 to move downward through the sliding column 501 and the fixed frame 502, so that the multiple spraying components 9 move downward and contact the surface of the workpiece. After the spray nozzle 902 is pressurized, it will extend into the support box 7. Because the multiple spray nozzles 902 are in contact with the surface of the workpiece and are pressurized, the spray nozzles 902 are pressed. When the sliding guide tube 902 drives the sliding guide tube 901 to move, the sliding guide tube 901 drives the two positioning components 10 to move through the retaining ring 904. When the side plate 101 in the positioning component 10 drives the slider 103 to move upward, the block 104 on the slider 103 can move inside the limiting component 12. When the sliding guide tube 901 stops moving, the elastic force of the second spring 105 supports the slider 103 to drive the block 104 to snap into the slot 122, so as to lock the position of the spray nozzle 902. Secondly, the multi-stage electric hydraulic rod 503 is controlled to extend, so that The slide column 501 drives the support box 7 to move upward through the fixed frame 502, so that the spray nozzle 902 at the bottom of the support box 7 is separated from the workpiece, and the support beam 2 and the support box 7 are driven by the moving mechanism 3 to move horizontally, so that the workpiece on the mounting table 16 can be sprayed at a uniform speed, thereby ensuring that the spacing between each spray nozzle 902 and the corresponding position of the workpiece below is consistent, so as to achieve the purpose of uniform spraying of the workpiece. During the spraying process, the residual paint can flow out through the leak hole 17, and part of the atomized paint produced by the spraying can be extracted by the air duct 152 at the bottom of the adsorption cover 151 to prevent the atomized paint from Scattered around, after the spraying work is completed, the electromagnetic seat 141 is controlled to be powered off, so that the magnetism between the electromagnetic extension plate 142 and the magnetic attraction plate 125 disappears, and the sliding frame 121 can be pulled by the contraction of the third spring 123. After the sliding frame 121 is away from the side plate 101, the block 104 is disengaged from the slot 122 in the sliding frame 121, and the retaining ring 904 is pulled by the pulling force of the first spring 905. The retaining ring 904 drives the spray nozzle 902 to move downward through the sliding guide tube 901, so that the spray nozzle 902 can return to the initial position, and all the spray nozzles 902 are in a flush state at this time.

Claims

1. An anti-corrosion coating spraying device for metal product processing, comprising a spraying machine frame (1), characterized in that: A support beam (2) is installed on the spraying machine frame (1), and moving mechanisms (3) are respectively provided at both ends of the support beam (2). The two moving mechanisms (3) are respectively installed on both sides of the top of the spraying machine frame (1). A column (4) is installed in the middle of the support beam (2), and an adjustment component (5) is slidably connected in the column (4). One end of the adjustment component (5) is fixed to the support beam (2), and the bottom end of the adjustment component (5) is connected to a support box (7). The bottom of the support box (7) is provided with a plurality of through holes (8) at equal intervals. A spraying component (9) is installed in the through hole (8), and the top ends of the plurality of spraying components (9) are all connected to the bottom of the adjustment component (5). Positioning components (10) are respectively fixedly connected on both sides of the spraying component (9); The front and rear sides of the support box (7) are provided with sliding holes (11) at positions corresponding to the positioning components (10), the positioning components (10) penetrate and are slidably connected in the sliding holes (11), one end of the positioning components (10) away from the spraying component (9) is clamped with a limiting component (12), the front and rear sides of the support box (7) are provided with two slideways (13) at positions corresponding to the limiting components (12), the limiting components (12) are slidably connected in the two slideways (13), the front and back sides of the support box (7) are provided with magnetic components (14), the magnetic components (14) are installed on the adjustment components (5), and the magnetic components (14) penetrate a plurality of limiting components (12), and a protective component (15) is provided above the magnetic components (14), and the protective component (15) is installed on the front and rear sides of the support box (7).

2. The anti-corrosion coating spraying equipment for metal product processing according to claim 1 is characterized in that: A mounting platform (16) is provided below the support box (7), and a plurality of leakage holes (17) are provided on the mounting platform (16). A reinforcement block (6) is fixedly connected to the top of the support box (7), and two reinforcement blocks (6) are fixed to two sides of the bottom of the adjustment component (5).

3. The anti-corrosion coating spraying equipment for metal product processing according to claim 1 is characterized in that: The adjustment assembly (5) comprises a sliding column (501), the sliding column (501) penetrates and is slidably connected in the column (4), the bottom end of the sliding column (501) is fixedly connected to a fixing frame (502), the fixing frame (502) is clamped outside the support box (7), the top of the sliding column (501) is fixedly connected to a multi-stage electric hydraulic rod (503), and the bottom end of the multi-stage electric hydraulic rod (503) is fixed to the support beam (2).

4. The anti-corrosion coating spraying equipment for metal product processing according to claim 3 is characterized in that: A connecting pipe (504) is provided through the middle of the sliding column (501); the bottom end of the connecting pipe (504) passes through the fixed frame (502) and the support box (7) and is connected to a material distribution pipe (505); the material distribution pipe (505) is installed at the top of the support box (7); the bottom of the material distribution pipe (505) is connected to the top of a plurality of spraying assemblies (9); and a sprayer adapter (506) is installed at one end of the connecting pipe (504) away from the material distribution pipe (505).

5. The anti-corrosion coating spraying equipment for metal product processing according to claim 1 is characterized in that: The spraying assembly (9) comprises a sliding guide tube (901), the sliding guide tube (901) is outer-connected with a sliding sleeve (903), the sliding sleeve (903) is clamped in a through hole (8) at the bottom of the support box (7), a spray nozzle (902) is installed at the bottom end of the sliding guide tube (901), a retaining ring (904) is clamped on the outside of the sliding guide tube (901), and a first spring (905) is outer-connected with the sliding guide tube (901), the first spring (905) is fixed between the inner wall of the support box (7) and the retaining ring (904), the top end of the sliding guide tube (901) is connected with a connecting hose (906), the top end of the connecting hose (906) is connected to the bottom of the adjustment assembly (5), and the positioning assembly (10) is fixedly connected to the retaining ring (904).

6. The anti-corrosion coating spraying equipment for metal product processing according to claim 1 is characterized in that: The positioning assembly (10) comprises a side plate (101), wherein the side plate (101) is fixed on the spray assembly (9), a slide groove (102) is provided on a side of the side plate (101) away from the spray assembly (9), a slider (103) is slidably connected in the slide groove (102), the slider (103) is slidably connected in the slide hole (11), a clamping block (104) is fixedly connected on a side of the slider (103) close to the limiting assembly (12), a second spring (105) is fixedly connected on a side of the slider (103) away from the clamping block (104), an end of the second spring (105) is fixed to an inner wall of the slide groove (102), the top of the clamping block (104) is of inclined design, and the bottom of the clamping block (104) is of horizontal design, and the clamping block (104) is clamped in the inside of the limiting assembly (12).

7. The anti-corrosion coating spraying equipment for metal product processing according to claim 6 is characterized in that: The limit assembly (12) comprises a slide frame (121), the slide frame (121) being slidably connected to the two slideways (13), the inner wall of the slide frame (121) being provided with a plurality of slots (122), the block (104) being engaged in one of the slots (122), and the block (104) being adapted in shape to the slot (122), two third springs (123) being fixed to the top and bottom of the slide frame (121), respectively, the third springs (123) being fixed between the slide frame (121) and the inner wall of the support box (7), a through hole (124) being provided on a side of the slide frame (121) away from the support box (7), and a magnetic attraction plate (125) being provided on the inner wall of the through hole (124).

8. The anti-corrosion coating spraying equipment for metal product processing according to claim 7 is characterized in that: The magnetic attraction component (14) comprises an electromagnetic seat (141), the electromagnetic seat (141) being mounted on the adjustment component (5), and electromagnetic extension plates (142) being mounted on both sides of the magnetic attraction component (14), respectively, the electromagnetic extension plates (142) penetrating a plurality of through holes (124) and contacting the magnetic attraction plates (125).

9. The anti-corrosion coating spraying equipment for metal product processing according to claim 1, characterized in that: The protection component (15) comprises two adsorption covers (151), the two adsorption covers (151) are respectively mounted on the front and rear sides of the support box (7), an air duct (152) is provided at the bottom of the adsorption cover (151), two branch pipes (153) are connected at the top of the adsorption cover (151), and an exhaust connection pipe (154) is connected between the two opposite branch pipes (153).

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