Aluminum casting surface coating treatment device

Abstract

The utility model discloses an aluminum casting surface coating processing device which comprises a coating assembly and a collecting tank, the upper end of the collecting tank is connected with a moving assembly, and the technical scheme is characterized in that two ends of a circular-tube-shaped aluminum casting can be respectively blocked and abutted by arranging a clamping assembly, a wedge block I and a wedge block II; according to the coating device for the circular-tube-shaped aluminum casting, the circular-tube-shaped aluminum casting cannot make contact with the coating face of the circular-tube-shaped aluminum casting while the aluminum casting is clamped, so that the circular-tube-shaped aluminum casting can be coated more comprehensively, and a first driving motor drives a transmission rod to rotate, so that a driving gear, a driven gear and a driven shaft are driven to rotate; the spraying device is used for solving the problems that when a spraying device in a comparative patent sprays the circular-tube-shaped aluminum casting, a large contact face is generated between a clamp and the surface of the circular-tube-shaped aluminum casting, the contact face is blocked by the clamp, and the aluminum casting cannot be uniformly coated. Therefore, the problem of difficult uniform spraying is solved.

Description

Technical Field

[0001] The utility model relates to the field of painting devices, and particularly relates to a surface painting treatment device for aluminum castings. Background Art

[0002] The painting treatment device for aluminum castings is a device used for surface painting treatment of aluminum castings. Aluminum castings usually need to undergo surface treatment to improve their corrosion resistance, surface finish and decorativeness;

[0003] Application No.: CN202121765187.6, discloses a spraying device for aluminum castings, which is convenient to use. By setting a connecting block and a movable rubber plate, tubular aluminum castings can be fixed. By setting a stepping motor to drive the rotation of the connecting block, the tubular aluminum castings can rotate slowly, so that the outer sides of the aluminum castings can all be sprayed, saving the time of adjusting the position of the aluminum castings multiple times, thereby improving the efficiency;

[0004] However, when the spraying device in the comparative patent sprays circular tubular aluminum castings, the fixture will have a large contact surface with the surface of the circular tubular aluminum casting, and these contact surfaces are blocked by the fixture, so it is difficult to be evenly sprayed. Moreover, the spraying device in the comparative patent is difficult to spray multiple aluminum castings at the same time, which may affect the painting effect and efficiency of the circular tubular aluminum castings. For this reason, we propose a surface painting treatment device for aluminum castings. Content of the Utility Model

[0005] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a surface painting treatment device for aluminum castings. By setting a clamping component, the first wedge block and the second wedge block can respectively block and press the two ends of the circular tubular aluminum casting, so that while clamping the aluminum casting, it will not contact the painting surface of the circular tubular aluminum casting, so that the circular tubular aluminum casting can be painted more comprehensively. And the driving motor 1 drives the transmission rod to rotate, thereby driving the driving gear, the driven gear and the driven shaft to rotate, thereby driving the first wedge block, the second wedge block and the circular tubular aluminum casting to rotate, which is convenient for evenly painting the aluminum casting.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions:

[0007] A surface painting treatment device for aluminum castings, comprising a painting component and a collection tank. The upper end of the collection tank is connected with a moving component, the outside of the moving component is connected with a clamping component, and the painting component is located at the rear end of the collection tank;

[0008] The clamping assembly includes a bottom plate. Support seats are connected to both the left and right ends of the bottom plate. A top plate is slidably connected to the inner sides of the support seats. A driving motor 1 is fixedly connected to the upper end of the top plate. The lower end of the output end of the driving motor 1 is fixedly connected to a transmission rod. The lower end of the transmission rod is fixedly connected to a driving gear. The left end of the driving gear is meshed and connected to a driven gear. A driven shaft is rotatably connected to the inside of the top plate. The driven shaft is fixedly connected to the driven gear. Connecting rods 1 are fixedly connected to the lower ends of both the driving gear and the driven gear. The connecting rods 1 extend to the outside of the top plate and are rotatably connected to the top plate. The lower end of the connecting rod 1 is fixedly connected to a wedge block 1. A plurality of connecting rods 2 are rotatably connected to the upper end of the bottom plate. The upper ends of the plurality of connecting rods 2 are fixedly connected to wedge blocks 2.

[0009] By providing the clamping assembly, the wedge block 1 and the wedge block 2 can respectively block and press the two ends of the tubular aluminum casting, so that while clamping the aluminum casting, it will not contact the painted surface of the tubular aluminum casting, thus enabling more comprehensive painting of the tubular aluminum casting. Moreover, the driving motor 1 drives the transmission rod to rotate, thereby driving the driving gear, the driven gear, and the driven shaft to rotate, and then driving the wedge block 1, the wedge block 2, and the tubular aluminum casting to rotate, facilitating uniform painting of the aluminum casting.

[0010] Further, sliding grooves 1 are respectively formed on the opposite end faces of the support seats. A driving motor 2 is fixedly connected to the upper end of the left support seat. The lower end of the output end of the driving motor 2 is fixedly connected to a lead screw 1. A slider 1 is movably connected to the outside of the lead screw 1. The slider 1 is adapted to the lead screw 1. A guide rod 1 is fixedly connected to the inside of the right support seat. A guide block 1 is slidably connected to the outside of the guide rod 1. The slider 1 and the guide block 1 both penetrate through the sliding groove 1 and are both slidably connected to the sliding groove 1. The slider 1 and the guide block 1 are both fixedly connected to the top plate.

[0011] By providing the driving motor 2, the driving motor 2 drives the lead screw 1 to rotate, thereby driving the slider 1 and the top plate to move up and down, so as to adjust the distance between the wedge block 1 and the wedge block 2, facilitating the limitation of tubular aluminum castings of different lengths.

[0012] Further, the number of the driven gears is several, and adjacent driven gears on the left and right are meshed and connected to each other. Both the wedge block 1 and the wedge block 2 are frustum structures, and the wedge block 1 and the wedge block 2 are symmetrically distributed up and down.

[0013] Further, the moving component includes a driving motor three, which is fixedly connected to the left end of the collecting groove. The right end of the output end of the driving motor three is fixedly connected with a second lead screw. The outside of the second lead screw is movably connected with a second slider, and the second slider is adapted to the second lead screw. A second guide rod is fixedly connected to the inside of the collecting groove, and a second guide block is slidably connected to the outside of the second guide rod. The outer ends of the second slider and the second guide block are both fixedly connected with mounting columns, and the mounting columns are coaxially distributed. The mounting columns are fixedly connected to the bottom plate.

[0014] Further, the painting component includes a lifting seat, which is fixedly connected to the rear end of the collecting groove. The upper end of the lifting seat is fixedly connected with a top seat. A second chute is opened at the front end of the lifting seat. The upper end of the lifting seat is fixedly connected with a driving motor four. The lower end of the output end of the driving motor four is fixedly connected with a third lead screw. The outside of the third lead screw is movably connected with a third slider, and the third slider is adapted to the third lead screw.

[0015] Further, a third guide rod is fixedly connected to the inside of the lifting seat, and a third guide block is slidably connected to the outside of the third guide rod. The third slider is fixedly connected with the third guide block, and the third slider penetrates through the second chute and is slidably connected with the second chute.

[0016] Further, a paint tank is fixedly connected to the upper end of the top seat. The upper end of the paint tank is fixedly and communicatively connected with a feeding pipe. A paint delivery pump is fixedly connected to the lower end of the top seat. The input end of the paint delivery pump is threadedly connected with a feeding pipe, and the feeding pipe penetrates through the top seat and is threadedly connected with the bottom of the paint tank. The output end of the paint delivery pump is threadedly connected with a telescopic hose. The end of the telescopic hose is fixedly connected with a spray head. A connecting sleeve is fixedly connected to the outside of the spray head. A fixing column is fixedly connected to the rear end of the connecting sleeve. The rear end of the fixing column is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the third slider.

[0017] Further, a discharge pipe is fixedly and communicatively connected to the front end of the collecting groove, and a discharge valve is fixedly connected to the outside of the discharge pipe.

[0018] In summary, the utility model has the following beneficial effects:

[0019] 1. By setting the clamping component, the first wedge block and the second wedge block can respectively block and press the two ends of the tubular aluminum casting, so that while clamping the aluminum casting, it will not contact the painting surface of the tubular aluminum casting, so that the tubular aluminum casting can be painted more comprehensively. And the driving motor one drives the transmission rod to rotate, thereby driving the driving gear, the driven gear and the driven shaft to rotate, thereby driving the first wedge block, the second wedge block and the tubular aluminum casting to rotate, which is convenient for uniformly painting the aluminum casting;

[0020] 2. By setting the second driving motor, the second driving motor drives the first lead screw to rotate, thereby driving the first slider and the top plate to move up and down, so that the distance between the first wedge block and the second wedge block can be adjusted to facilitate the limitation of round tubular aluminum castings of different lengths. Description of the Drawings

[0021] Figure 1 is the schematic diagram of the overall structure in this embodiment;

[0022] Figure 2 is the schematic diagram of the partial structure of the clamping assembly in this embodiment;

[0023] Figure 3 is the schematic diagram of the disassembled partial structure of the clamping assembly in this embodiment;

[0024] Figure 4 is the schematic diagram of the moving assembly in this embodiment;

[0025] Figure 5 is the schematic diagram of the painting assembly in this embodiment;

[0026] Figure 6 is the schematic diagram of the partial structure of the painting assembly in this embodiment.

[0027] In the figure, 1. Painting assembly; 101. Lifting seat; 102. Top seat; 103. Second chute; 104. Fourth driving motor; 105. Third lead screw; 106. Third slider; 107. Third guide rod; 108. Third guide block; 109. Paint tank; 110. Paint transfer pump; 111. Feed pipe; 112. Telescopic hose; 113. Nozzle; 114. Connecting sleeve; 115. Fixed column; 116. Fixed plate; 117. Feeding pipe; 2. Collection tank; 3. Moving assembly; 301. Third driving motor; 302. Second lead screw; 303. Second slider; 304. Second guide rod; 305. Second guide block; 306. Mounting column; 4. Clamping assembly; 401. Bottom plate; 402. Support seat; 403. Top plate; 404. First driving motor; 405. Transmission rod; 406. Driving gear; 407. Driven gear; 408. First connecting rod; 409. First wedge block; 410. Second connecting rod; 411. Second wedge block; 412. First chute; 413. Second driving motor; 414. First lead screw; 415. First slider; 416. First guide rod; 417. First guide block; 418. Driven shaft; 5. Discharge pipe; 6. Discharge valve. Detailed Embodiment

[0028] The following further describes the present invention in detail with reference to the drawings.

[0029] Among them, the same components are denoted by the same reference numerals. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component respectively.

[0030] Referring to Figure 1 As shown, a surface coating treatment device for an aluminum casting in a preferred embodiment of the present utility model includes a coating assembly 1 and a collection tank 2. A moving assembly 3 is connected to the upper end of the collection tank 2, and a clamping assembly 4 is connected to the outside of the moving assembly 3. The coating assembly 1 is located at the rear end of the collection tank 2;

[0031] Referring to Figures 1-4 As shown, the clamping assembly 4 includes a bottom plate 401. Support seats 402 are connected to both the left and right ends of the bottom plate 401. A top plate 403 is slidably connected to the inside of the support seats 402. A driving motor 1 404 is fixedly connected to the upper end of the top plate 403. A transmission rod 405 is fixedly connected to the lower end of the output end of the driving motor 1 404. A driving gear 406 is fixedly connected to the lower end of the transmission rod 405. A driven gear 407 is meshed and connected to the left end of the driving gear 406. A driven shaft 418 is rotatably connected to the inside of the top plate 403, and the driven shaft 418 is fixedly connected to the driven gear 407. Connecting rods 1 408 are fixedly connected to the lower ends of both the driving gear 406 and the driven gear 407. The connecting rods 1 408 extend to the outside of the top plate 403 and are rotatably connected to the top plate 403. A wedge block 1 409 is fixedly connected to the lower end of the connecting rod 1 408. A plurality of connecting rods 2 410 are rotatably connected to the upper end of the bottom plate 401, and wedge blocks 2 411 are fixedly connected to the upper ends of the plurality of connecting rods 2 410.

[0032] By providing the clamping assembly 4, the wedge block 1 409 and the wedge block 2 411 can respectively block and press the two ends of the tubular aluminum casting, so that while clamping the aluminum casting, it will not contact the coating surface of the tubular aluminum casting, thus enabling more comprehensive coating of the tubular aluminum casting. Moreover, the driving motor 1 404 drives the transmission rod 405 to rotate, thereby driving the driving gear 406, the driven gear 407 and the driven shaft 418 to rotate, thus driving the wedge block 1 409, the wedge block 2 411 and the tubular aluminum casting to rotate, facilitating uniform coating of the aluminum casting.

[0033] Referring to Figures 1-4As shown, sliding grooves 412 are provided on the opposite end faces of the support base 402. A second driving motor 413 is fixedly connected to the upper end of the left support base 402. A first lead screw 414 is fixedly connected to the lower end of the output end of the second driving motor 413. A first slider 415 is movably connected to the outside of the first lead screw 414, and the first slider 415 is adapted to the first lead screw 414. A first guide rod 416 is fixedly connected to the inside of the right support base 402. A first guide block 417 is slidably connected to the outside of the first guide rod 416. The first slider 415 and the first guide block 417 both penetrate through the sliding groove 412 and are both slidably connected to the sliding groove 412. The first slider 415 and the first guide block 417 are both fixedly connected to the top plate 403.

[0034] By providing the second driving motor 413, the second driving motor 413 drives the first lead screw 414 to rotate, thereby driving the first slider 415 and the top plate 403 to move up and down, so as to adjust the distance between the first wedge block 409 and the second wedge block 411, facilitating the limiting of round tubular aluminum castings of different lengths.

[0035] Refer to Figures 1-4 As shown, the number of driven gears 407 is several, and adjacent driven gears 407 on the left and right are meshed with each other. The first wedge block 409 and the second wedge block 411 are both frustum structures, and the first wedge block 409 and the second wedge block 411 are symmetrically distributed up and down.

[0036] Refer to Figure 1 and Figure 4 As shown, the moving assembly 3 includes a third driving motor 301. The third driving motor 301 is fixedly connected to the left end of the collection tank 2. A second lead screw 302 is fixedly connected to the right end of the output end of the third driving motor 301. A second slider 303 is movably connected to the outside of the second lead screw 302, and the second slider 303 is adapted to the second lead screw 302. A second guide rod 304 is fixedly connected to the inside of the collection tank 2. A second guide block 305 is slidably connected to the outside of the second guide rod 304. The outer ends of the second slider 303 and the second guide block 305 are both fixedly connected with mounting columns 306. The mounting columns 306 are coaxially distributed, and the mounting columns 306 are fixedly connected to the bottom plate 401.

[0037] By providing the moving assembly 3, the third driving motor 301 drives the second lead screw 302 to rotate, thereby driving the second slider 303, the second guide block 305, the mounting columns 306 and the bottom plate 401 to slide left and right, so as to drive a plurality of clamped round tubular aluminum castings to move left and right, facilitating the automatic conveying of the aluminum castings and making it more convenient to comprehensively coat the aluminum castings.

[0038] Refer to Figure 1 、 Figure 5 and Figure 6As shown, the painting assembly 1 includes a lifting seat 101. The lifting seat 101 is fixedly connected to the rear end of the collection tank 2. The upper end of the lifting seat 101 is fixedly connected with a top seat 102. A second chute 103 is formed at the front end of the lifting seat 101. A fourth driving motor 104 is fixedly connected to the upper end of the lifting seat 101. The lower end of the output end of the fourth driving motor 104 is fixedly connected with a third lead screw 105. An external thread of the third lead screw 105 is movably connected with a third slider 106, and the third slider 106 is adapted to the third lead screw 105.

[0039] Referring to Figure 1 、 Figure 5 and Figure 6 As shown, a third guide rod 107 is fixedly connected to the inside of the lifting seat 101. An external thread of the third guide rod 107 is slidably connected with a third guide block 108. The third slider 106 is fixedly connected with the third guide block 108. The third slider 106 penetrates through the second chute 103 and is slidably connected with the second chute 103.

[0040] By setting the lifting seat 101, the fourth driving motor 104 drives the third lead screw 105 to rotate, thereby driving the third slider 106 and the third guide block 108 to move up and down. Finally, the spray head 113 can be driven to move up and down, so as to spray different lengths of circular tubular aluminum castings comprehensively.

[0041] Referring to Figure 1 、 Figure 5 and Figure 6 As shown, a paint tank 109 is fixedly connected to the upper end of the top seat 102. A feeding pipe 117 is fixedly communicated with the upper end of the paint tank 109. A paint delivery pump 110 is fixedly connected to the lower end of the top seat 102. An input end of the paint delivery pump 110 is threadedly connected with a feeding pipe 111. The feeding pipe 111 penetrates through the top seat 102 and is threadedly connected with the bottom of the paint tank 109. An output end of the paint delivery pump 110 is threadedly connected with a telescopic hose 112. A spray head 113 is fixedly connected to the end of the telescopic hose 112. A connecting sleeve 114 is fixedly connected to the outside of the spray head 113. A fixing column 115 is fixedly connected to the rear end of the connecting sleeve 114. A fixing plate 116 is fixedly connected to the rear end of the fixing column 115. The fixing plate 116 is fixedly connected with the third slider 106.

[0042] By setting the paint tank 109, the paint can be added into the paint tank through the feeding pipe 117. The paint delivery pump 110 extracts the paint inside the paint tank, transports it to the telescopic hose 112, and then sprays it out from the spray head 113 for painting.

[0043] Referring to Figure 1 and Figure 4 As shown, a discharge pipe 5 is fixedly communicated with the front end of the collection tank 2. A discharge valve 6 is fixedly connected to the outside of the discharge pipe 5.

[0044] By setting up the collection tank 2, the excess paint can be collected. By opening the discharge valve 6, the paint waste can be discharged from the discharge pipe 5.

[0045] Specific implementation process: The second driving motor 413 drives the first lead screw 414 to rotate, thereby driving the first slider 415 and the top plate 403 to move up and down, so as to adjust the distance between the first wedge block 409 and the second wedge block 411, facilitating the limiting of circular tubular aluminum castings of different lengths. Moreover, the frustum-shaped first wedge block 409 and second wedge block 411 can block circular tubular aluminum castings of different diameters tightly.

[0046] The first driving motor 404 drives the transmission rod 405 to rotate, thereby driving the driving gear 406, the driven gear 407 and the driven shaft 418 to rotate, and then driving the first wedge block 409, the second wedge block 411 and the circular tubular aluminum casting to rotate. The third driving motor 301 drives the second lead screw 302 to rotate, thereby driving the second slider 303, the second guide block 305, the mounting column 306 and the bottom plate 401 to slide left and right, so as to drive multiple clamped circular tubular aluminum castings to move left and right, facilitating the automatic conveying of aluminum castings and making it more convenient to comprehensively coat the aluminum castings.

[0047] Meanwhile, the paint can be added into the feeding box through the feeding pipe 117. The paint delivery pump 110 extracts the paint inside the feeding box, transports it to the telescopic hose 112, and then sprays it out from the nozzle 113. The fourth driving motor 104 drives the third lead screw 105 to rotate, thereby driving the third slider 106 and the third guide block 108 to move up and down, and finally driving the nozzle 113 to move up and down, so as to comprehensively spray circular tubular aluminum castings of different lengths.

[0048] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A surface coating treatment device for aluminum castings, characterized in that: It comprises a coating component (1) and a collecting tank (2), wherein the upper end of the collecting tank (2) is connected to a moving component (3), the outside of the moving component (3) is connected to a clamping component (4), and the coating component (1) is located at the rear end of the collecting tank (2); The clamping assembly (4) comprises a bottom plate (401), the left and right ends of the bottom plate (401) are connected to a support seat (402), the inner side of the support seat (402) is slidably connected to a top plate (403), the upper end of the top plate (403) is fixedly connected to a driving motor 1 (404), the lower end of the output end of the driving motor 1 (404) is fixedly connected to a transmission rod (405), the lower end of the transmission rod (405) is fixedly connected to a driving gear (406), the left end of the driving gear (406) is meshingly connected to a driven gear (407), and the internal rotation of the top plate (403) A driven shaft (418) is connected, and the driven shaft (418) is fixedly connected to the driven gear (407). The lower ends of the driving gear (406) and the driven gear (407) are fixedly connected to a connecting rod 1 (408). The connecting rod 1 (408) extends to the outside of the top plate (403) and is rotatably connected to the top plate (403). The lower end of the connecting rod 1 (408) is fixedly connected to a wedge block 1 (409). The upper end of the bottom plate (401) is rotatably connected to multiple connecting rods 2 (410), and the upper ends of the multiple connecting rods 2 (410) are fixedly connected to wedge blocks 2 (411).

2. The surface coating treatment device for aluminum casting according to claim 1 is characterized in that: The opposite end faces of the support seat (402) are provided with a slide groove (412); the upper end of the left support seat (402) is fixedly connected to a drive motor (413); the lower end of the output end of the drive motor (413) is fixedly connected to a screw rod (414); the screw rod (414) is externally movably connected to a slider (415); the slider (415) is adapted to the screw rod (414); the inside of the right support seat (402) is fixedly connected to a guide rod (416); the outside of the guide rod (416) is slidably connected to a guide block (417); the slider (415) and the guide block (417) both penetrate the slide groove (412) and are slidably connected to the slide groove (412); the slider (415) and the guide block (417) are fixedly connected to the top plate (403).

3. The surface coating treatment device for aluminum casting according to claim 1 is characterized in that: The number of the driven gears (407) is several, and two adjacent driven gears (407) on the left and right are meshed and connected. The wedge block 1 (409) and the wedge block 2 (411) are both truncated cone structures, and the wedge block 1 (409) and the wedge block 2 (411) are symmetrically distributed up and down.

4. The surface coating treatment device for aluminum casting according to claim 1 is characterized in that: The moving assembly (3) comprises a driving motor three (301), wherein the driving motor three (301) is fixedly connected to the left end of the collecting tank (2), the right end of the output end of the driving motor three (301) is fixedly connected to a screw rod two (302), the outside of the screw rod two (302) is movably connected to a slider two (303), the slider two (303) is adapted to the screw rod two (302), the inner side of the collecting tank (2) is fixedly connected to a guide rod two (304), the outside of the guide rod two (304) is slidably connected to a guide block two (305), the outer ends of the slider two (303) and the guide block two (305) are both fixedly connected to mounting columns (306), the mounting columns (306) are coaxially distributed, and the mounting columns (306) are fixedly connected to the bottom plate (401).

5. The surface coating treatment device for aluminum casting according to claim 1 is characterized in that: The coating assembly (1) comprises a lifting seat (101), wherein the lifting seat (101) is fixedly connected to the rear end of the collecting tank (2), the upper end of the lifting seat (101) is fixedly connected to a top seat (102), the front end of the lifting seat (101) is provided with a slide groove 2 (103), the upper end of the lifting seat (101) is fixedly connected to a drive motor 4 (104), the lower end of the output end of the drive motor 4 (104) is fixedly connected to a screw rod 3 (105), the outer part of the screw rod 3 (105) is movably connected to a slider 3 (106), and the slider 3 (106) is adapted to the screw rod 3 (105).

6. The surface coating treatment device for aluminum casting according to claim 5 is characterized in that: The lifting seat (101) is fixedly connected to a guide rod three (107) inside, and the guide rod three (107) is slidably connected to a guide block three (108) outside. The slider three (106) is fixedly connected to the guide block three (108), and the slider three (106) passes through the slide groove two (103) and is slidably connected to the slide groove two (103).

7. The surface coating treatment device for aluminum casting according to claim 6 is characterized in that: The upper end of the top seat (102) is fixedly connected to a paint box (109), the upper end of the paint box (109) is fixedly connected to a feeding pipe (117), the lower end of the top seat (102) is fixedly connected to a paint delivery pump (110), the input end of the paint delivery pump (110) is threadedly connected to a feeding pipe (111), the feeding pipe (111) passes through the top seat (102) and is threadedly connected to the bottom of the paint box (109), the paint delivery pump (110) is fixedly connected to a paint delivery pump (110), the input end of the paint delivery pump (110) is threadedly connected to a feeding pipe (111), the feeding pipe (111) passes through the top seat (102) and is threadedly connected to the bottom of the paint box (109), The output end of (110) is threadedly connected to a telescopic hose (112), the end of the telescopic hose (112) is fixedly connected to a nozzle (113), the outside of the nozzle (113) is fixedly connected to a connecting sleeve (114), the rear end of the connecting sleeve (114) is fixedly connected to a fixing column (115), the rear end of the fixing column (115) is fixedly connected to a fixing plate (116), and the fixing plate (116) is fixedly connected to the slider three (106).

8. The surface coating treatment device for aluminum casting according to claim 1 is characterized in that: The front end of the collecting tank (2) is fixedly connected to a discharge pipe (5), and the outside of the discharge pipe (5) is fixedly connected to a discharge valve (6).

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