Hydraulic component surface strengthening spraying device

Abstract

The invention relates to the technical field of plasma spraying, and discloses a hydraulic component surface strengthening spraying device which comprises a spraying box with left and right openings and a conveying rail penetrating through the openings, a plurality of conveying blocks movably connected end to end for conveying oil cylinders are arranged in the conveying rail, and hooks are rotationally connected to the bottoms of the conveying blocks. A U-shaped elastic rod plate is slidably connected to the bottoms of the hooks in an inserted mode, a recycling bin with a recycling opening in the top is arranged at the bottom of the spraying box, a suction pipe is arranged on the rear wall of the recycling bin, and semi-sealing covers are slidably connected to the front side and the rear side of the upper wall of the recycling bin correspondingly. An oil cylinder hung on a hook can be fixed, it is guaranteed that the oil cylinder is continuously stabilized during rotary spraying, spraying shaking is avoided, the spraying quality is prevented from being affected, a spraying area is relatively completely closed during spraying, paint is prevented from drifting outwards, meanwhile, the paint can be collected through a recycling bin, a suction pipe is used for moderate negative pressure suction after spraying, and the spraying quality is improved. And the influence on the surrounding environment of the spraying station is fully avoided.

Description

Technical Field

[0001] This invention relates to the field of plasma spraying technology, and more specifically to a surface strengthening spraying device for hydraulic components. Background Technology

[0002] After the hydraulic cylinders are manufactured and assembled, plasma spraying can be applied to their surfaces to enhance their wear resistance, corrosion resistance, and high-temperature oxidation resistance, thereby strengthening and modifying the surface materials and improving their overall performance. Current fully automated hydraulic cylinder spraying production lines include a conveyor line for transporting the cylinders and a liftable spray head. The cylinders are transported to a designated position by the conveyor line and driven to rotate, after which the spray head applies plasma coating to the cylinder surface.

[0003] Utility model patent CN220310773U discloses a fully automatic hydraulic cylinder painting production line in the field of hydraulic cylinder spraying technology. It includes a conveyor line and hooks located below the conveyor line. The hooks are used to hold workpieces, and the conveyor line is used to drive the hooks to move and rotate. An escape shield is placed below the conveyor line. The escape shield includes a back plate and side plates located on both sides of the back plate. The two side plates and the back plate form a U-shaped cavity, so that the cylinders suspended on the hooks are placed inside the U-shaped cavity. During painting, the escaped paint can be intercepted, reducing the pollution of paint to the environment.

[0004] In the fully automatic hydraulic cylinder painting production line described in the aforementioned patent, the hydraulic cylinder is directly suspended on a hook during use. The hook is controlled to rotate the cylinder during spraying. Since the paint nozzle is generally close to the cylinder, for small cylinders, the impact of the paint when spraying to the lower part causes the cylinder to shake. Furthermore, the presence of other mechanical vibrations during rotation increases the shaking amplitude, resulting in uneven spraying on the upper and lower parts of the cylinder surface and reduced spraying quality. During spraying, only two side plates and a back plate form a simple barrier in the spraying direction. Whether it's ordinary paint spraying or plasma spraying, since the paint disperses outwards after being sprayed, this method can only intercept a portion of the dispersed paint, and the surrounding environment of the spraying station is still easily affected. Summary of the Invention

[0005] The purpose of this invention is to address the problems of conventional hydraulic cylinder surface spraying devices, such as cylinder shaking during spraying leading to reduced spraying quality and the inability to fully prevent paint scattering from affecting the surrounding environment of the spraying station. This invention provides a hydraulic component surface strengthening spraying device.

[0006] To achieve the above objectives, the present invention specifically adopts the following technical solution: A surface strengthening spraying device for hydraulic components includes a spraying box with openings on the left and right sides and a conveying track passing through the openings. Several conveying blocks with conveying cylinders connected end to end are arranged in the conveying track. The bottom of each conveying block is rotatably connected to a hook. A U-shaped elastic rod plate is slidably inserted into the bottom of each hook. The bottom of the spraying box is provided with a recovery chamber with a recovery port at the top. The rear wall of the recovery chamber is provided with a suction pipe connected to an external negative pressure suction mechanism. Semi-sealed covers are slidably connected to the front and rear sides of the upper wall of the recovery chamber. A semi-sealed ring with a semi-conical opening in the middle is fixedly connected to the top of the semi-sealed cover. The front semi-sealed cover has a groove in the middle and a sliding opening on the rear side of the groove. A sealing strip that seals the sliding opening is slidably connected to the inner wall of the groove. A telescopic spray head is fixedly inserted into the sealing strip. An adjustment component that drives the two semi-sealed covers to move towards each other is provided at the top of the inner cavity of the spray box. A drive component that drives the hook to rotate and the telescopic spray head to spray up and down is provided on the adjustment component.

[0007] Furthermore, the bottom of the elastic rod plate is arc-shaped and adapted to the inner wall of the cylinder lug, and the top of the rear side of the elastic rod plate passes upward through the hook and is provided with a ball that can move and abut against the semi-conical opening.

[0008] Furthermore, the inner wall of the semi-sealed cover, the inner wall of the recycling bin, and the upper wall are all provided with a nano-ceramic coating, and the height of the upper wall of the recycling bin is lower than the height of the lower wall of the spray box opening.

[0009] Furthermore, rollers are rotatably connected to both the upper and lower sides of the inner wall of the chute, and the sealing strip is wrapped around the rollers on both sides respectively. The sealing strip can be made of polyimide and has a nano-ceramic coating on its surface. A linkage belt is movably sleeved at the rear end of the rollers on both sides. Elastic pressure plates are slidably inserted into both the left and right sides of the chute. Several rollers in a linear array are rotatably connected to the rear end of the elastic pressure plates, and the rollers move against the surface of the sealing strip.

[0010] Furthermore, the adjustment assembly includes a slide plate slidably connected to the inner wall of the spray box. Two symmetrical telescopic cylinders are fixedly connected between the slide plate and the upper wall of the inner cavity of the spray box. The front and rear sides of the bottom of the slide plate are fixedly connected with symmetrical L-shaped pins that slide and engage with the inner wall of the spray box. The left and right ends of the semi-sealed cover on the front and rear sides are fixedly connected with guide plates that slide and engage with the inner wall of the spray box. The guide plates are provided with inclined grooves that slide and engage with the corresponding L-shaped pins.

[0011] Furthermore, the drive assembly includes a drive shaft disk rotatably connected to the middle of the slide plate, a shaft roller rotatably connected to the front of the slide plate, a transmission belt movably connected between the shaft roller and the drive shaft disk, and a drive shaft rotatably connected to the upper wall of the spray box and slidably engaged in the shaft roller. The drive shaft is driven by a forward and reverse motor installed on the upper wall of the spray box. The top of the conveying block is rotatably mounted with a driven disk that is fixedly connected to a hook. The driven disk and the drive shaft disk can form a magnetic coupler. The upper wall of the conveying track has a through hole corresponding to the drive shaft disk.

[0012] Furthermore, the inner cavity of the conveying block is slidably engaged with an elastic friction cone that movably abuts against the lower wall of the driven disk. The elastic friction cone is movably sleeved on the hook. The lower wall of the driven disk is provided with a corresponding friction cone groove. Insertion holes are provided on both the left and right sides of the top of the conveying block. Insert rods with a diameter smaller than the through diameter of the insertion hole are fixedly connected to both the left and right sides of the middle of the lower wall of the slide plate.

[0013] Furthermore, the drive assembly also includes a screw rotatably connected to the front wall of the spray box, a transmission belt movably connected between the screw and the drive shaft, a screw block slidably engaged with the screw threadedly on the front wall of the spray box, a corresponding movable groove being provided on the front wall of the spray box, a telescopic nozzle being fixedly inserted into the screw block and extending from the right end, a paint input source being externally connected to the right end of the telescopic nozzle, and the telescopic end of the telescopic nozzle being slidably engaged with the inner wall of the slide.

[0014] The beneficial effects of this invention are as follows: This invention controls the conveyor block to move the hydraulic cylinder between two semi-sealed covers and stop it. Then, the control adjustment component moves the two semi-sealed covers so that the semi-cover rings move towards each other and connect. The semi-conical opening is used to press the elastic rod plate downward, thereby fixing the hydraulic cylinder suspended on the hook. Since the two semi-cover rings form a complete conical opening after they are connected, the hydraulic cylinder can be kept stable when the hook drives the hydraulic cylinder to rotate for spraying, thus avoiding spraying shaking and affecting the spraying quality.

[0015] This invention controls and adjusts two semi-sealed covers and semi-cover rings to move towards each other and connect accordingly. The two semi-sealed covers form a complete enclosure that surrounds the oil cylinder. The bottom of the enclosure is connected to the recovery chamber through a recovery port. The two semi-cover rings form a complete ring that fits onto the hook. During spraying, the telescopic nozzle moves up and down while the sealing strip continuously seals the sliding port, thus making the oil cylinder spraying area relatively completely sealed and preventing paint from drifting outward. At the same time, the recovery chamber can collect the paint, and after spraying, the suction pipe can be used to draw it out with moderate negative pressure, which fully avoids the impact on the surrounding environment of the spraying station. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the spraying device of the present invention; Figure 2 This is a three-dimensional structural diagram of the conveying track and hook portion of the spraying device of the present invention; Figure 3 This is a three-dimensional sectional view of the conveyor block and hook portion of the spraying device of the present invention; Figure 4This is a three-dimensional sectional view of the spraying box and conveyor track of the spraying device of the present invention; Figure 5 This is a three-dimensional sectional view of the spray box and slide plate of the spraying device of the present invention; Figure 6 This is a three-dimensional sectional view of the spraying box and recovery bin of the spraying device of the present invention; Figure 7 This is a three-dimensional structural diagram of the semi-sealed cover and guide plate of the spraying device of the present invention; Figure 8 This is a three-dimensional sectional view of the semi-sealed cover and semi-cover ring portion of the spraying device of the present invention; Figure 9 This is a three-dimensional sectional view of the spray box and semi-sealed cover of the spraying device of the present invention.

[0017] Reference numerals: 1. Spray box; 11. Recycling bin; 12. Suction pipe; 2. Conveying track; 3. Conveying block; 31. Driven disk; 32. Elastic friction cone; 33. Hook; 34. Elastic rod plate; 4. Semi-sealed cover; 41. Guide plate; 42. Inclined chute; 43. Semi-cover ring; 44. Roller; 45. Sealing strip; 46. Telescopic nozzle; 47. Linkage belt; 48. Elastic pressure plate; 5. Slide plate; 51. Telescopic cylinder; 52. Drive shaft disk; 53. Insert rod; 54. Shaft roller; 55. Drive shaft; 56. L-shaped pin; 57. Screw; 58. Screw block. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0019] Example 1, as Figures 1-9 As shown, a hydraulic component surface strengthening spraying device includes a spraying box 1 with openings on the left and right and a conveying track 2 passing through the openings. The conveying track 2 is provided with a number of conveying blocks 3 with conveying cylinders connected end to end. The bottom of the conveying block 3 is rotatably connected to a hook 33. The bottom of the hook 33 is slidably inserted with a U-shaped elastic rod plate 34. The bottom of the spraying box 1 is provided with a recovery chamber 11 with a recovery port at the top. The rear wall of the recovery chamber 11 is provided with a suction pipe 12 connected to an external negative pressure suction mechanism. The front and rear sides of the upper wall of the recovery chamber 11 are slidably connected with semi-sealed covers 4. The top of the semi-sealed cover 4 is fixedly connected with a semi-conical opening in the middle of a semi-sealed ring 43. The front semi-sealed cover 4 has a groove in the middle and a sliding opening on the rear side of the groove. A sealing strip 45 is slidably connected to the inner wall of the groove to seal the sliding opening. A telescopic nozzle 46 is fixedly inserted on the sealing strip 45. The right end of the telescopic nozzle 46 is connected to a paint input source. An adjustment component is provided at the top of the inner cavity of the spray box 1 to drive the two semi-sealed covers 4 to move towards each other. The adjustment component is provided with a drive component to drive the hook 33 to rotate and the telescopic nozzle 46 to spray up and down.

[0020] In use, the conveyor block 3 can be driven by an external drive mechanism, which is existing technology and will not be described in detail. By controlling the conveyor block 3 to move the oil cylinder into the spray box 1 using the hook 33, and after stopping between the two semi-sealed covers 4, the control adjustment component drives the two semi-sealed covers 4 and the semi-cover rings 43 to move towards each other synchronously and dock. After the two semi-cover rings 43 dock, the semi-conical opening automatically presses down on the elastic rod plate 34, thereby fixing the oil cylinder suspended on the hook 33. Since the two semi-cover rings 43 form a complete conical opening after docking, when the hook 33 drives the oil cylinder to rotate for spraying, the elastic rod plate 34 is in a downward locking state, which can ensure that the oil cylinder is continuously stabilized and avoid spraying shaking, which would affect the spraying quality. After the two semi-sealed covers 4 dock, together with the two similarly docked semi-cover rings 43, a relatively complete cover is formed to surround the outside of the oil cylinder. The bottom of the cover connects to the recovery chamber 1 through the recovery port. 1. The top of the cover is connected to the hook 33 by two half-cover rings 43 forming a complete ring. During spraying, the control drive component drives the telescopic nozzle 46 to move up and down for spraying. Since the sealing strip 45 continuously seals the sliding port, the spraying area of ​​the oil cylinder is relatively completely sealed, preventing the paint from drifting outward. During spraying, the scattered paint is blocked by the inner wall of the half-sealed cover 4 and falls into the collection chamber 11 through the collection port and is collected. After the spraying is completed and the half-sealed cover 4 is not opened, the suction pipe 12 of the external negative pressure suction mechanism is controlled to draw a moderate negative pressure on the collection chamber 11 to form a slight negative pressure to guide the paint drifting inside the cover. This allows the drifting paint to be guided to the collection chamber 11 and extracted without damaging the spraying layer on the surface of the oil cylinder. This prevents the paint from escaping into the air after the half-sealed cover 4 and the half-cover ring 43 on both sides separate, thus fully avoiding the impact on the surrounding environment of the spraying station.

[0021] In the second embodiment, based on the above embodiment, the bottom of the elastic rod plate 34 is arc-shaped and adapted to the inner wall of the cylinder lug. The top of the rear side of the elastic rod plate 34 passes upward through the hook of the hook 33 and is provided with a ball that can move and abut against the semi-conical opening.

[0022] The bottom of the elastic rod plate 34 is arc-shaped to fit the inner wall of the cylinder lug, so that the elastic rod plate 34 can fully contact the inner wall of the lug after it moves down, ensuring the extrusion friction force, so as to stably fix the cylinder and prevent the cylinder from shaking during spraying. When the elastic rod plate 34 is squeezed by the semi-conical opening, the ball bearings can reduce the frictional resistance, ensuring that the elastic rod plate 34 can be continuously and stably pressed to fix the cylinder when the hook 33 rotates.

[0023] In Example 3, based on the above examples, the inner wall of the semi-sealed cover 4, the inner wall and the upper wall of the recovery chamber 11 are all provided with a nano-ceramic coating, and the height of the upper wall of the recovery chamber 11 is lower than the height of the lower wall of the opening of the spray box 1.

[0024] During plasma spraying, the paint that does not adhere to the cylinder will fall in solid or semi-solid form. The design of the nano-ceramic coating on the inner wall of the semi-sealed cover 4 and the inner and upper walls of the recovery chamber 11 not only facilitates heat insulation but also improves the anti-adhesion of the paint. At the same time, it ensures the reliable movement of the semi-sealed cover 4 on the recovery chamber 11. By utilizing the design that the height of the upper wall of the recovery chamber 11 is lower than the height of the lower wall of the opening of the spray box 1, when the semi-sealed cover 4 is opened and some paint falls onto the upper wall of the recovery chamber 11, the subsequent closing of the semi-sealed cover 4 can scrape the paint into the recovery chamber 11.

[0025] In Example 4, based on the above examples, rollers 44 are rotatably connected to both the upper and lower sides of the inner wall of the chute. Sealing strips 45 are respectively wrapped around the rollers 44 on both sides. The sealing strips 45 can be made of polyimide and have a nano-ceramic coating on the surface. Linkage belts 47 are movably sleeved at the rear ends of the rollers 44 on both sides. Elastic pressure plates 48 are slidably inserted into both the left and right sides of the chute. Several rollers in a linear array are rotatably connected to the rear ends of the elastic pressure plates 48. The rollers movably abut against the surface of the sealing strips 45.

[0026] The upper and lower rollers 44 are controlled to operate synchronously by the linkage belt 47. When the telescopic nozzle 46 moves the sealing strip 45 up and down for spraying, the rollers 44 on both sides are wound up and unwound respectively. With the help of the elastic pressure plate 48, the rollers continuously squeeze the left and right edges of the sealing strip 45, thereby ensuring that the sealing strip 45 always seals the sliding opening and prevents the paint from drifting out from here. When the sealing strip 45 is made of polyimide and has a nano-ceramic coating on its surface, its surface is smooth, heat-insulating and not easy to adhere to the paint. When the sealing strip 45 moves outside the sliding opening, the inner wall of the sliding opening can also scrape its surface, further preventing paint adhesion and leakage.

[0027] In Example 5, based on the above examples, the adjustment assembly includes a slide plate 5 slidably connected to the inner wall of the spray box 1. Two symmetrical telescopic cylinders 51 are fixedly connected between the slide plate 5 and the upper wall of the inner cavity of the spray box 1. L-shaped pins 56, which are symmetrical and slidably engaged with the inner wall of the spray box 1, are fixedly connected to the front and rear sides of the bottom of the slide plate 5. Guide plates 41, which are slidably engaged with the inner wall of the spray box 1, are fixedly connected to the left and right ends of the semi-sealed covers 4 on the front and rear sides. The guide plates 41 are provided with inclined grooves 42 that are slidably engaged with the corresponding L-shaped pins 56.

[0028] By controlling the two telescopic cylinders 51 to drive the slide plate 5 to move downward, the slide plate 5 drives the L-shaped pins 56 on both sides of the bottom to stably squeeze the inclined groove 42, thereby driving the guide plate 41 to move the semi-sealed covers 4 on both sides to move towards each other and dock, so as to carry out closed spraying. The control and adjustment are convenient and avoid the paint from drifting outward and affecting the environment.

[0029] In embodiment six, based on the above embodiments, the drive assembly includes a drive shaft disk 52 rotatably connected to the middle of the slide plate 5, a shaft roller 54 rotatably connected to the front of the slide plate 5, a transmission belt movably connected between the shaft roller 54 and the drive shaft disk 52, and a drive shaft 55 rotatably connected to the upper wall of the spray box 1 and slidably engaged in the shaft roller 54. The drive shaft 55 is driven by a forward and reverse motor installed on the upper wall of the spray box 1. The top of the conveyor block 3 is rotatably mounted with a driven disk 31 that is fixedly connected to the hook 33. The driven disk 31 and the drive shaft disk 52 can form a magnetic coupler. The upper wall of the conveyor track 2 is provided with a through hole corresponding to the drive shaft disk 52.

[0030] After the control conveyor block 3 stops below the drive shaft disk 52, the control telescopic cylinder 51 drives the slide plate 5 to move down, and the drive shaft disk 52 falls above the driven disk 31. The forward and reverse motors drive the drive shaft 55 to rotate the shaft roller 54. The shaft roller 54 drives the transmission belt to rotate the drive shaft disk 52. The drive shaft disk 52 then uses magnetic force to drive the driven disk 31 to rotate. The two do not need to be precisely aligned, and the hook 33 is stably driven to rotate the hydraulic cylinder to receive the spraying.

[0031] In embodiment seven, based on the above embodiment, a spring friction cone disk 32 is slidably engaged in the middle of the inner cavity of the conveying block 3, which movably abuts against the lower wall of the driven disk 31. The spring friction cone disk 32 is movably sleeved on the hook 33. The lower wall of the driven disk 31 is provided with a corresponding friction cone groove. Insertion holes are opened on both the left and right sides of the top of the conveying block 3. Insert rods 53 with a diameter smaller than the through diameter of the insertion hole are fixedly connected to both the left and right sides of the middle of the lower wall of the slide plate 5.

[0032] The initial hook 33 faces forward, and the elastic friction cone 32 abuts against the lower wall of the driven disk 31 to limit the driven disk 31 from automatically driving the hook 33 to deflect the oil cylinder. This ensures stable delivery of the oil cylinder before and after spraying and avoids the oil cylinder from deflecting or swaying or colliding with each other due to lack of effective fixation before and after spraying. During spraying, the two telescopic cylinders 51 are controlled to drive the slide plate 5 to move the two insert rods 53 downward. The insert rods 53 pass through the insertion hole and squeeze the elastic friction cone 32 downward to disengage from the driven disk 31, thereby releasing the fixation of the driven disk 31. Subsequently, the driven disk 31 can drive the hook 33 to make the oil cylinder rotate to receive spraying. Correspondingly, since the diameter of the insert rod 53 is smaller than the diameter of the insertion hole, it is ensured that when the conveying block 3 is slightly deviated from the bottom parking position of the drive shaft disk 52, the insert rod 53 still stably squeezes the elastic friction cone 32. After spraying, the forward and reverse motors are controlled to drive the drive shaft 55 to stop at the calibrated angle, and the two telescopic cylinders 51 are controlled to drive the slide plate 5 so that the two insert rods 53 move upward and reset. The elastic friction cone 32 abuts against the lower wall of the driven disk 31 again. The driven disk 31 drives the opening of the hook 33 to face forward again, thus ensuring that when the hook 33 performs a new round of hydraulic cylinder suspension spraying, the two half-cover rings 43 can move towards each other and reliably squeeze the elastic rod plate 34 downward, thus avoiding the outer plane of the half-cover ring 43 directly pressing and touching the elastic rod plate 34.

[0033] In embodiment eight, based on the above embodiments, the drive assembly further includes a screw 57 rotatably connected to the front wall of the spray box 1, a transmission belt 2 movably connected between the screw 57 and the drive shaft 55, a screw block 58 slidably engaged with the screw 57 on the front wall of the spray box 1, a corresponding movable groove is provided on the front wall of the spray box 1, a telescopic nozzle 46 is fixedly inserted into the screw block 58 and extends from the right end, and the telescopic end of the telescopic nozzle 46 is slidably engaged with the inner wall of the sliding port.

[0034] When the drive shaft 55 is rotated by the forward and reverse motors, the drive shaft 55 drives the transmission belt 2 to rotate the screw 57. The screw 57 then drives the screw block 58 to move the telescopic nozzle 46 up or down for spraying. During this process, the forward and reverse motors indirectly drive the oil cylinder to rotate, so that the surface of the oil cylinder can be completely sprayed. In actual use, the forward and reverse motors can be controlled to rotate in both directions according to the spraying requirements, so that the two oil cylinders can be sprayed once, or a single oil cylinder can be sprayed twice in an enhanced manner.

[0035] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hydraulic component surface strengthening spraying device comprising a spraying box (1) with left and right openings and a conveying track (2) passing through the openings, characterized in that, The conveying track (2) is provided with conveying blocks (3) connected with conveying oil cylinders at the head and tail, the bottom of the conveying block (3) is rotationally connected with a hook (33), the bottom of the hook (33) is slidingly inserted with a U-shaped elastic rod plate (34), the bottom of the spraying box (1) is provided with a recovery bin (11) with a recovery opening at the top, the rear wall of the recovery bin (11) is provided with a suction pipe (12) connected with a negative pressure suction mechanism, the upper wall of the recovery bin (11) is slidingly connected with a semi-sealing cover (4) on the left and right sides, the top of the semi-sealing cover (4) is fixedly connected with a semi-cover ring (43) with a semi-cone opening in the middle. The middle of the semi-sealing cover (4) on the front side is provided with a sliding groove, the rear side of the sliding groove is provided with a sliding opening, the inner wall of the sliding groove is slidingly connected with a sealing belt (45) sealing the sliding opening, the sealing belt (45) is fixedly inserted with a telescopic nozzle (46), the top of the inner cavity of the spraying box (1) is provided with an adjusting assembly driving the two semi-sealing covers (4) to move towards each other, the adjusting assembly is provided with a driving assembly driving the hook (33) to rotate and the telescopic nozzle (46) to spray up and down.

2. The hydraulic component surface strengthening spray coating apparatus according to claim 1, wherein The bottom of the elastic rod plate (34) is arc-shaped and matched with the inner wall of the oil cylinder ear ring, the top of the rear side of the elastic rod plate (34) passes through the hook part of the hook (33) upward and is provided with a ball capable of being in movable abutment with the semi-cone opening.

3. The hydraulic component surface strengthening spray coating apparatus of claim 2, wherein, The inner wall of the semi-sealing cover (4), the inner wall and the upper wall of the recovery bin (11) are all provided with a nano ceramic coating, and the height of the upper wall of the recovery bin (11) is lower than the height of the lower wall of the opening of the spraying box (1).

4. The hydraulic component surface strengthening spray coating apparatus of claim 3, wherein, The inner wall of the sliding groove is rotationally connected with a belt roller (44) on the left and right sides, the sealing belt (45) is wound around the belt rollers (44) on the left and right sides, the sealing belt (45) can be made of polyimide material and provided with a nano ceramic coating on the surface, the rear ends of the belt rollers (44) on the left and right sides are movably sleeved with a linkage belt (47), the left and right sides of the sliding groove are slidingly inserted with elastic pressing plates (48), the rear ends of the elastic pressing plates (48) are rotationally connected with a plurality of linearly arranged rollers, and the rollers are in movable abutment with the surface of the sealing belt (45).

5. The hydraulic component surface strengthening spray device of claim 4, wherein, The adjusting assembly comprises a sliding plate (5) slidingly connected to the inner wall of the spraying box (1), two telescopic cylinders (51) symmetrically fixedly connected between the sliding plate (5) and the upper wall of the inner cavity of the spraying box (1), L-shaped pin rods (56) symmetrically fixedly connected to the bottom of the sliding plate (5) and slidingly connected with the inner wall of the spraying box (1), guide plates (41) fixedly connected to the left and right ends of the semi-sealing cover (4) and slidingly connected with the inner wall of the spraying box (1), and oblique grooves (42) formed in the guide plates (41) and slidingly connected with the corresponding L-shaped pin rods (56).

6. The hydraulic component surface strengthening spray device of claim 5, wherein, The driving assembly comprises a driving shaft magnetic disc (52) rotationally connected to the middle of the sliding plate (5), a shaft roller (54) rotationally connected to the front of the sliding plate (5), a transmission belt one movably connected between the shaft roller (54) and the driving shaft magnetic disc (52), a driving shaft (55) rotationally connected to the sliding plate (54) and slidingly connected in the shaft roller (54), and the driving shaft (55) is driven by a forward and reverse motor mounted on the upper wall of the spraying box (1). The top of the conveying block (3) is rotatably provided with a driven magnetic disk (31) fixedly connected with a hook (33), the driven magnetic disk (31) and the driving shaft magnetic disk (52) can constitute a magnetic coupling, and the upper wall of the conveying track (2) is provided with a through hole corresponding to the driving shaft magnetic disk (52).

7. The hydraulic component surface strengthening spray device of claim 6, wherein, The middle of the inner cavity of the conveying block (3) is slidably connected with an elastic friction cone disc (32) movably abutting against the lower wall of the driven magnetic disk (31), the elastic friction cone disc (32) is movably sleeved on the hook (33), the lower wall of the driven magnetic disk (31) is provided with a corresponding friction cone groove, the top of the conveying block (3) is provided with a bushing on the left and right sides, and the lower wall of the sliding plate (5) is fixedly connected with an insertion rod (53) with a diameter smaller than the diameter of the bushing on the left and right sides of the middle.

8. The hydraulic component surface strengthening spray device of claim 7, wherein, The driving assembly further comprises a screw rod (57) rotatably connected to the front wall of the spraying box (1), a transmission belt two movably connected between the screw rod (57) and the driving shaft (55), a screw block (58) slidably connected to the front wall of the spraying box (1) and threadedly sleeved with the screw rod (57), a corresponding movable groove provided in the front wall of the spraying box (1), the telescopic spray head (46) fixedly inserted into the screw block (58) and extending from the right end, the telescopic spray head (46) externally connected with a paint input source at the right end, and the telescopic spray head (46) slidably connected with the inner wall of the sliding opening at the telescopic end.

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