A powder spraying equipment for aluminum production

Abstract

A powder spraying device for aluminum production relates to the technical field of aluminum powder spraying devices, comprising a spray box with an opening at the top, a box door hinged at the open end of the spray box, a fixed U-shaped plate and a plurality of horizontally movable sliding U-shaped plates arranged horizontally side by side inside the spray box, a plurality of slots provided at the ends of the sliding U-shaped plates, a plurality of plug rods fixed at the ends of the fixed U-shaped plates and the sliding U-shaped plates, one end of the plug rods extending into the adjacent sliding U-shaped plate slots and provided with detachable limiting rings, a horizontally sliding sliding L-shaped plate and a swinging L-shaped plate provided at the tops of the fixed U-shaped plates and the sliding U-shaped plates, a positioning plate provided at the ends of the swinging L-shaped plates rotating along a horizontal line, a plurality of first avoidance grooves provided at the opposite ends of the positioning plates, and a plurality of second avoidance grooves provided at the top and bottom of the positioning plates. The present invention solves the problems of low metal powder adhesion rate in existing powder spraying equipment and the cumbersome material loading and unloading procedures.

Description

Technical Field

[0001] The present invention relates to the technical field of aluminum material powder spraying equipment, in particular to a powder spraying equipment for aluminum material production. Background Art

[0002] Aluminum profiles, a widely used metal material in modern industry, are renowned for their light weight, high strength, corrosion resistance, ease of processing, and excellent electrical and thermal conductivity. They are widely used in a variety of fields, including architectural curtain walls, transportation, electronic equipment, furniture manufacturing, and aerospace. Surface treatment of aluminum profiles, particularly spray coating, not only enhances the product's aesthetics but also strengthens its weather resistance, wear resistance, and corrosion resistance, thereby extending its service life. Among the spray coating methods for aluminum profiles, electrostatic spraying holds a dominant position due to its high efficiency and uniformity.

[0003] The existing powder spraying equipment has gradually exposed its shortcomings during use, mainly in the following aspects:

[0004] First, the metal powder adhesion rate is low. Specifically, the existing metal powder spraying equipment is mainly divided into two structural forms: vertical and horizontal. In the vertical spraying equipment, the aluminum needs to be suspended vertically, and the operator needs to hold the spray gun to spray the suspended aluminum. In order to avoid adjacent aluminum materials blocking the spraying path and ensure spraying uniformity, a larger suspension spacing must be maintained. Similarly, although the horizontal spraying equipment can drive the aluminum to rotate through the rotating mechanism to achieve all-round spraying, in order to prevent the aluminum materials from colliding and interfering with each other during the rotation process, sufficient spacing space must also be reserved between adjacent aluminum materials. This necessary spacing setting causes some metal powder to fail to adhere to the surface of the aluminum material during the spraying process, but is directly sprayed out through the gaps between the aluminum materials. Therefore, the metal powder adhesion rate is low, resulting in waste of metal powder.

[0005] Second, the loading and unloading process is cumbersome. Specifically, when using horizontal powder spraying equipment to spray aluminum, the process requires that the aluminum must be precisely clamped inside the equipment. Therefore, when fixing the aluminum, the operator needs to lean into the interior of the equipment to complete the precise positioning and clamping of the workpiece. This operation method makes the entire loading and unloading process cumbersome and time-consuming. At the same time, the limited internal space of the equipment also poses potential risks to the safety of the operator.

[0006] In summary, the existing technology has obvious inconveniences and defects in actual use, so it is necessary to improve it. Summary of the Invention

[0007] In response to the shortcomings of the prior art, the present invention aims to provide a powder spraying device for aluminum production. When spraying aluminum, adjacent aluminum materials are arranged without gaps. This compact arrangement completely solves the problem of powder escape caused by the necessary spacing in traditional spraying equipment, significantly improves the adhesion rate of metal powder, and reduces metal powder waste.

[0008] When the equipment replaces aluminum materials, the operator can quickly complete the placement and positioning of the aluminum materials through external operations, which simplifies the material placement process, reduces safety hazards, and improves the practicality of the equipment.

[0009] In order to solve the above problems, the present invention provides the following technical solutions:

[0010] The cam is hinged on the top of the cam, and the cam is hinged on the top of the cam, and a fixed U-shaped plate and a plurality of sliding U-shaped plates are arranged horizontally and side by side inside the cam, and a plurality of slots are provided at the ends of the sliding U-shaped plates. The ends of the fixed U-shaped plates and the sliding U-shaped plates are fixed with a plurality of insertion rods, one end of the insertion rods extends into the slots of the sliding U-shaped plates adjacent to them and is provided with a detachable limiting ring. The tops of the fixed U-shaped plates and the sliding U-shaped plates are both provided with a sliding L-shaped plate that slides horizontally and a swinging L-shaped plate that swings. The ends of the swinging L-shaped plates are rotated along a horizontal line with a positioning plate, and the opposite ends of the positioning plates are provided with a plurality of first avoidance grooves, and the top and bottom of the positioning plates are both provided with a plurality of second avoidance grooves. The first avoidance groove and the second avoidance groove are arranged in front and behind. A rotatable guide wheel is provided in the first avoidance groove and the second avoidance groove, and a partial area of ​​the guide wheel is located outside the positioning plate. A spray assembly for spraying aluminum is provided at the bottom of the door.

[0011] As an optimized solution, the spraying assembly includes a movable plate, and two sliding plates are provided for horizontal sliding at the bottom of the box door. The movable plate is detachably connected to the two sliding plates, and several powder spray guns are fixedly installed on the movable plate. The powder spray guns are connected to the external powder supply system through a powder conveying pipe.

[0012] As an optimized solution, the ends and bottom of the swinging L-shaped plate are respectively provided with fixed side support shafts and lower support shafts, the tops of the fixed U-shaped plate and the sliding U-shaped plate are provided with a plurality of detachable V-shaped rails, the lower support shaft is provided with a plurality of V-shaped rollers rotatably connected thereto, the V-shaped rollers are rollingly connected to the V-shaped rails, the side support shaft is provided with a lifting plate rotatably connected thereto, and the lifting plate is vertically lifted and lowered.

[0013] As an optimized solution, the tops of the fixed U-shaped plate and the sliding U-shaped plate are both provided with rectangular grooves that pass through them, and the bottoms of the fixed U-shaped plate and the sliding U-shaped plate are both fixed with control telescopic cylinders, and the telescopic ends of the control telescopic cylinders pass through the rectangular grooves and are fixedly connected to the lifting plate.

[0014] As an optimized solution, the two ends of the fixed U-shaped plate are detachably connected to the inner wall relative to the spray box. The inner wall relative to the spray box is provided with several horizontally sliding sliders, and the two ends of the sliding U-shaped plate are detachably connected to the sliders.

[0015] As an optimized solution, a plurality of hydraulic telescopic cylinders are fixedly provided at the bottom of the spray box, and the telescopic ends of the hydraulic telescopic cylinders are fixedly connected to the sliding U-shaped plates at the outermost sides.

[0016] As an optimized solution, a driving telescopic cylinder is fixedly provided on the top of the fixed U-shaped plate and the sliding U-shaped plate, and the telescopic end of the driving telescopic cylinder is fixedly connected to the sliding L-shaped plate.

[0017] As an optimized solution, a plurality of detachably arranged fixed shafts are inserted through the end and bottom of the positioning plate, the fixed shafts pass through the first avoidance groove or the second avoidance groove, and the guide wheel is rotatably sleeved on the fixed shafts.

[0018] As an optimized solution, a direction adjustment motor is fixedly provided at the end of the swing L-shaped plate, and the output shaft of the direction adjustment motor passes through the swing L-shaped plate and is fixedly connected to the positioning plate.

[0019] As an optimized solution, several mounting plates are fixedly provided at the bottom of the box door, and two threaded screws are provided under the box door. The two ends of the threaded screws are rotatably connected to the two mounting plates respectively, and the threaded screws pass through the sliding plate and are threadedly connected to the sliding plate. A driving motor is fixedly provided at the ends of the two mounting plates, and the output shaft of the driving motor is fixedly connected to the threaded screw.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. When spraying aluminum, the driving motor drives the movable plate and the powder spray gun to move horizontally. The external powder supply system transports the metal powder to the powder spray gun through the powder delivery pipe and is sprayed by the powder spray gun. The sprayed metal powder is adsorbed on the top surface of the aluminum. After the top surface of the aluminum is sprayed, the hydraulic telescopic cylinder drives the sliding U-shaped plate on the outermost side to move horizontally, and the insert rod and the sliding U-shaped plate move relative to each other. When the limit ring abuts against the inner wall of the slot, it drives the adjacent sliding U-shaped plates to move horizontally until all the limit rings abut against the inner wall of the slot. At this time, gaps are generated between the fixed U-shaped plate and the sliding U-shaped plate and between the two adjacent sliding U-shaped plates. The telescopic cylinder drives the sliding L-shaped plate to slide horizontally, thereby releasing the restriction on one end of the aluminum, and then adjusts the direction of the motor. The positioning plate and the aluminum profile are driven to rotate 90° (the rotation directions of the two adjacent aluminum profiles are opposite to each other to prevent the unpainted surface of the aluminum profile from contacting the painted surface, which would result in a reduction in the amount of metal powder on the painted surface). The unpainted surface of the aluminum profile is rotated upward, and the sliding L-shaped plate is reset to restrain the aluminum profile. The hydraulic telescopic cylinder drives the outermost sliding U-shaped plate to reset, and then resets all the sliding U-shaped plates. At this time, adjacent aluminum profiles are arranged without gaps. The above process is repeated to spray the four end faces of the aluminum profile in sequence. When spraying aluminum profiles, adjacent aluminum profiles are arranged without gaps. This compact layout completely solves the problem of powder escape caused by the necessary spacing in traditional spraying equipment, greatly improving the adhesion rate of metal powder and reducing metal powder waste.

[0022] 2. After the aluminum material is sprayed, the hydraulic telescopic cylinder drives the sliding U-shaped plate on the side to move horizontally to the limit position. At this time, the aluminum material sprayed is arranged at intervals. The sliding L-shaped plate slides horizontally to release the restriction on the aluminum material. The telescopic cylinder is controlled to drive the lifting plate to move downward. The V-shaped roller rolls along the V-shaped track. The swinging L-shaped plate drives the positioning plate and the aluminum material to swing upward (such as Figure 11 As shown in the figure), the staff can quickly remove the aluminum material. When inserting the aluminum material, the staff holds the aluminum material and inserts one end of it into the positioning plate. The guide wheel contacts the inner wall of the aluminum material and guides the aluminum material until the aluminum material contacts the swing L-shaped plate. After that, the swing L-shaped plate and the sliding L-shaped plate are reset in succession. At this point, the loading of the aluminum material is completed. When the equipment replaces the aluminum material, the operator can quickly complete the placement and positioning of the aluminum material through external operation, which simplifies the placement and loading process, reduces safety hazards, and improves the practicality of the equipment.

[0023] 3. Compared with positioning components such as positioning plates, the guide wheels set at the front and rear can not only play the role of positioning support for the aluminum material, but also facilitate the insertion and removal of aluminum materials, further improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0025] Figure 1 It is a structural schematic diagram of the present invention;

[0026] Figure 2 This is a schematic diagram of the structure inside the spray box of the present invention;

[0027] Figure 3 A cross-sectional view of the top of the sliding U-shaped plate of the present invention;

[0028] Figure 4 This is a schematic structural diagram of a fixed U-shaped plate and a sliding U-shaped plate of the present invention;

[0029] Figure 5 This is a schematic diagram of the structure inside the slot of the present invention;

[0030] Figure 6 This is a schematic structural diagram of a swing L-shaped plate according to the present invention;

[0031] Figure 7 This is a structural diagram of the bottom of the door of the present invention;

[0032] Figure 8 A cross-sectional view of a swinging L-shaped plate and a sliding U-shaped plate of the present invention;

[0033] Figure 9 This is a schematic structural diagram of the bottom of the spray box of the present invention;

[0034] Figure 10 A cross-sectional view of the positioning plate of the present invention;

[0035] Figure 11 This is a schematic diagram of the structure of the present invention when taking and placing aluminum materials.

[0036] In the figure: 1-spray box; 2-aluminum material; 3-spraying assembly; 4-box door; 5-sliding U-shaped plate; 6-fixed U-shaped plate; 7-sliding block; 8-sliding L-shaped plate; 9-driving telescopic cylinder; 10-slot; 11-limiting ring; 12-insertion rod; 13-first avoidance groove; 14-guide wheel; 15-positioning plate; 16-second avoidance groove; 17-direction adjustment motor; 18-swinging L-shaped plate; 19-rectangular groove; 20-control telescopic cylinder; 21-V-shaped track; 22-V-shaped roller; 23-lower support shaft; 24-lifting plate; 25-side support shaft; 26-fixed shaft; 27-powder spray gun; 28-powder conveying pipe; 29-moving plate; 30-mounting plate; 31-sliding plate; 32-threaded screw; 33-driving motor; 34-hydraulic telescopic cylinder. DETAILED DESCRIPTION

[0037] The following embodiments of the technical solution of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.

[0038] like Figures 1 to 11 As shown, a powder spraying equipment for aluminum production includes a spray box 1 with an open top, a box door 4 hinged at the open end of the spray box 1, a fixed U-shaped plate 6 and a plurality of horizontally movable sliding U-shaped plates 5 are arranged horizontally in parallel inside the spray box 1, a plurality of slots 10 are provided at the ends of the sliding U-shaped plates 5, a plurality of insertion rods 12 are fixed at the ends of the fixed U-shaped plates 6 and the sliding U-shaped plates 5, one end of the insertion rod 12 extends into the slot 10 of the adjacent sliding U-shaped plate 5 and is provided with a detachable limiting ring 11, the tops of the fixed U-shaped plates 6 and the sliding U-shaped plates 5 A sliding L-shaped plate 8 is provided for horizontal sliding and a swinging L-shaped plate 18 is provided for swinging. A positioning plate 15 is provided at the end of the swinging L-shaped plate 18 for rotating along a horizontal line. A plurality of first avoidance grooves 13 are provided at the opposite ends of the positioning plate 15. A plurality of second avoidance grooves 16 are provided at the top and bottom of the positioning plate 15. The first avoidance grooves 13 and the second avoidance grooves 16 are arranged front and back. A rotatable guide wheel 14 is provided in the first avoidance groove 13 and the second avoidance groove 16. Part of the guide wheel 14 is located outside the positioning plate 15. A spraying component 3 for spraying the aluminum material 2 is provided at the bottom of the box door 4.

[0039] The spraying assembly 3 includes a movable plate 29, and two sliding plates 31 are provided for horizontal sliding at the bottom of the box door 4. The movable plate 29 is detachably connected to the two sliding plates 31. Several powder spray guns 27 are fixedly installed on the movable plate 29, and the powder spray guns 27 are connected to the external powder supply system through the powder conveying pipe 28.

[0040] The end and bottom of the swing L-shaped plate 18 are respectively provided with a fixed side support shaft 25 and a lower support shaft 23. The tops of the fixed U-shaped plate 6 and the sliding U-shaped plate 5 are provided with a plurality of detachable V-shaped rails 21. The lower support shaft 23 is provided with a plurality of V-shaped rollers 22 rotatably connected thereto. The V-shaped rollers 22 are rollingly connected to the V-shaped rails 21. The side support shaft 25 is provided with a lifting plate 24 rotatably connected thereto. The lifting plate 24 is vertically lifted and lowered.

[0041] A rectangular groove 19 is provided on the top of the fixed U-shaped plate 6 and the sliding U-shaped plate 5, and a control telescopic cylinder 20 is fixed on the bottom of the fixed U-shaped plate 6 and the sliding U-shaped plate 5. The telescopic end of the control telescopic cylinder 20 passes through the rectangular groove 19 and is fixedly connected to the lifting plate 24.

[0042] Both ends of the fixed U-shaped plate 6 are detachably connected to the inner wall of the spray box 1 . The inner wall of the spray box 1 is provided with a plurality of horizontally sliding sliders 7 . Both ends of the sliding U-shaped plate 5 are detachably connected to the sliders 7 .

[0043] A plurality of hydraulic telescopic cylinders 34 are fixedly provided at the bottom of the spray box 1 , and the telescopic ends of the hydraulic telescopic cylinders 34 are fixedly connected to the sliding U-shaped plate 5 at the outermost side.

[0044] A driving telescopic cylinder 9 is fixedly provided on the top of the fixed U-shaped plate 6 and the sliding U-shaped plate 5 , and the telescopic end of the driving telescopic cylinder 9 is fixedly connected to the sliding L-shaped plate 8 .

[0045] A plurality of detachably mounted fixed shafts 26 are inserted through the end and bottom of the positioning plate 15 . The fixed shafts 26 pass through the first avoidance groove 13 or the second avoidance groove 16 . The guide wheel 14 is rotatably sleeved on the fixed shafts 26 .

[0046] An adjustment motor 17 is fixedly provided at the end of the swing L-shaped plate 18 . The output shaft of the adjustment motor 17 passes through the swing L-shaped plate 18 and is fixedly connected to the positioning plate 15 .

[0047] Several mounting plates 30 are fixedly provided at the bottom of the box door 4, and two threaded screws 32 are provided under the box door 4. The two ends of the threaded screw 32 are rotatably connected to the two mounting plates 30 respectively. The threaded screw 32 passes through the sliding plate 31 and is threadedly connected to the sliding plate 31. A driving motor 33 is fixedly provided at the end of the two mounting plates 30, and the output shaft of the driving motor 33 is fixedly connected to the threaded screw 32.

[0048] The working principle of this device is:

[0049] When spraying the aluminum material 2, the driving motor 33 drives the movable plate 29 and the powder spray gun 27 to move horizontally, and the external powder supply system transports the metal powder to the powder spray gun 27 through the powder conveying pipe 28 and is sprayed by the powder spray gun 27. The sprayed metal powder is adsorbed on the top surface of the aluminum material 2. After the top surface of the aluminum material 2 is sprayed, the hydraulic telescopic cylinder 34 drives the sliding U-shaped plate 5 on the outermost side to move horizontally, and the insertion rod 12 and the sliding U-shaped plate 5 produce relative movement. When the limit ring 11 is against the inner wall of the slot 10, it drives the adjacent sliding U-shaped plate 5 to move horizontally until all the limit rings 11 are against the inner wall of the slot 10. At this time, a gap is generated between the fixed U-shaped plate 6 and the sliding U-shaped plate 5 and between the two adjacent sliding U-shaped plates 5, and the telescopic cylinder 9 is driven to drive the sliding L-shaped plate 8 to slide horizontally, thereby releasing the limit on one end of the aluminum material 2. After the adjustment, the motor 17 drives the positioning plate 15 and the aluminum material 2 to rotate 90 degrees (the rotation directions of the two adjacent aluminum materials 2 are opposite to each other to prevent the unsprayed surface of the aluminum material 2 from contacting the sprayed surface, resulting in a reduction in the amount of metal powder on the sprayed surface). The unsprayed surface of the aluminum material 2 rotates upward, the sliding L-shaped plate 8 is reset and restricts the aluminum material 2, and the hydraulic telescopic cylinder 34 drives the sliding U-shaped plate 5 on the outermost side to reset, thereby resetting all the sliding U-shaped plates 5. At this time, there is no gap between the adjacent aluminum materials 2. The above process is repeated to spray the four end faces of the aluminum material 2 in turn. When the equipment sprays the aluminum material 2, there is no gap between the adjacent aluminum materials 2. This compact layout completely solves the problem of powder escape caused by the necessary spacing of traditional spraying equipment, greatly improves the adhesion rate of metal powder, and reduces the waste of metal powder.

[0050] After the aluminum material 2 is sprayed, the hydraulic telescopic cylinder 34 drives the sliding U-shaped plate 5 on the side to move horizontally to the limit position. At this time, the aluminum materials 2 that have been sprayed are arranged at intervals, and the sliding L-shaped plate 8 slides horizontally to release the restriction on the aluminum material 2. The telescopic cylinder 20 is controlled to drive the lifting plate 24 to move downward, and the V-shaped roller 22 rolls along the V-shaped track 21. The swinging L-shaped plate 18 drives the positioning plate 15 and the aluminum material 2 to swing upward (such as Figure 11 As shown in the figure, the staff can quickly remove the aluminum material 2. When inserting the aluminum material 2, the staff holds the aluminum material 2 and inserts one end of it into the positioning plate 15. The guide wheel 14 contacts the inner wall of the aluminum material 2 and guides the aluminum material 2 until the aluminum material 2 abuts against the swing L-shaped plate 18. After that, the swing L-shaped plate 18 and the sliding L-shaped plate 8 are reset in sequence. At this point, the loading of the aluminum material 2 is completed. When the equipment replaces the aluminum material 2, the operator can quickly complete the placement and positioning of the aluminum material 2 through external operation, which simplifies the placement and loading process, reduces safety hazards, and improves the practicality of the equipment.

[0051] Compared with positioning components such as positioning plates, the front and rear guide wheels 14 can not only provide positioning support for the aluminum material 2, but also facilitate the insertion and removal of the aluminum material 2, further improving the practicality of the equipment.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A powder spraying equipment for aluminum production, characterized by: The invention comprises a spray box (1) with an opening at the top, wherein the open end of the spray box (1) is hinged with a box door (4), wherein the inside of the spray box (1) is provided with a fixed U-shaped plate (6) and a plurality of horizontally movable sliding U-shaped plates (5), wherein the ends of the sliding U-shaped plates (5) are provided with a plurality of slots (10), wherein the ends of the fixed U-shaped plates (6) and the sliding U-shaped plates (5) are both fixedly provided with a plurality of insertion rods (12), wherein one end of the insertion rod (12) extends into the slot (10) of the adjacent sliding U-shaped plate (5) and is provided with a detachable limiting ring (11), wherein the tops of the fixed U-shaped plates (6) and the sliding U-shaped plates (5) are both provided with a horizontally sliding A sliding L-shaped plate (8) and a swinging L-shaped plate (18) are provided, wherein the end of the swinging L-shaped plate (18) is provided with a positioning plate (15) that rotates along a horizontal line, and the opposite ends of the positioning plate (15) are provided with a plurality of first avoidance grooves (13), and the top and bottom of the positioning plate (15) are provided with a plurality of second avoidance grooves (16), the first avoidance grooves (13) and the second avoidance grooves (16) are arranged front and back, and the first avoidance grooves (13) and the second avoidance grooves (16) are provided with a rotatable guide wheel (14), and a part of the guide wheel (14) is located outside the positioning plate (15), and the bottom of the box door (4) is provided with a spraying component (3) for spraying the aluminum material (2); The spraying assembly (3) sprays the top surface of the aluminum material (2) arranged without gaps. After the spraying of the top surface of the aluminum material (2) is completed, the sliding U-shaped plate (5) moves horizontally, and gaps are generated between the fixed U-shaped plate (6) and the sliding U-shaped plate (5) and between two adjacent sliding U-shaped plates (5). The sliding L-shaped plate (8) moves horizontally to release the restriction on the aluminum material (2). The positioning plate (15) drives the aluminum material (2) to rotate 90°. The rotation directions of the two adjacent aluminum materials (2) are opposite. The sliding L-shaped plate (8) is reset and limits the aluminum material (2). The sliding U-shaped plate (5) is reset, and the spraying assembly (3) continues to spray the unsprayed surface of the aluminum material (2) arranged without gaps.

2. The powder spraying equipment for aluminum production according to claim 1, characterized in that: The spraying assembly (3) includes a movable plate (29), and two sliding plates (31) are provided on the bottom of the box door (4) for horizontal sliding. The movable plate (29) is detachably connected to the two sliding plates (31). A plurality of powder spray guns (27) are fixedly installed on the movable plate (29), and the powder spray guns (27) are connected to an external powder supply system through a powder conveying pipe (28).

3. The powder spraying equipment for aluminum production according to claim 1, characterized in that: The end and bottom of the swing L-shaped plate (18) are respectively provided with a fixed side support shaft (25) and a lower support shaft (23); the tops of the fixed U-shaped plate (6) and the sliding U-shaped plate (5) are both provided with a plurality of detachably arranged V-shaped rails (21); the lower support shaft (23) is provided with a plurality of V-shaped rollers (22) rotatably connected thereto; the V-shaped rollers (22) are rollingly connected to the V-shaped rails (21); the side support shaft (25) is provided with a lifting plate (24) rotatably connected thereto; the lifting plate (24) is vertically lifted.

4. The powder spraying equipment for aluminum production according to claim 3, characterized in that: The tops of the fixed U-shaped plate (6) and the sliding U-shaped plate (5) are both provided with a rectangular groove (19) extending therethrough, and the bottoms of the fixed U-shaped plate (6) and the sliding U-shaped plate (5) are both fixedly provided with a control telescopic cylinder (20), the telescopic end of the control telescopic cylinder (20) passing through the rectangular groove (19) and being fixedly connected to the lifting plate (24).

5. The powder spraying equipment for aluminum production according to claim 1, characterized in that: The two ends of the fixed U-shaped plate (6) are detachably connected to the inner wall of the spray box (1), and the inner wall of the spray box (1) is provided with a plurality of horizontally sliding sliders (7). The two ends of the sliding U-shaped plate (5) are detachably connected to the sliders (7).

6. The powder spraying equipment for aluminum production according to claim 5, characterized in that: A plurality of hydraulic telescopic cylinders (34) are fixedly provided on the bottom of the spray box (1), and the telescopic ends of the hydraulic telescopic cylinders (34) are fixedly connected to the sliding U-shaped plate (5) at the outermost side.

7. The powder spraying equipment for aluminum production according to claim 1, characterized in that: A driving telescopic cylinder (9) is fixedly provided on the top of each of the fixed U-shaped plate (6) and the sliding U-shaped plate (5), and a telescopic end of the driving telescopic cylinder (9) is fixedly connected to the sliding L-shaped plate (8).

8. The powder spraying equipment for aluminum production according to claim 1, characterized in that: A plurality of detachably arranged fixed shafts (26) are inserted through the end and bottom of the positioning plate (15), and the fixed shafts (26) pass through the first avoidance groove (13) or the second avoidance groove (16), and the guide wheel (14) is rotatably sleeved on the fixed shafts (26).

9. The powder spraying equipment for aluminum production according to claim 1, characterized in that: A direction adjustment motor (17) is fixedly provided at the end of the swing L-shaped plate (18), and an output shaft of the direction adjustment motor (17) passes through the swing L-shaped plate (18) and is fixedly connected to the positioning plate (15).

10. The powder spraying equipment for aluminum production according to claim 2, characterized in that: A plurality of mounting plates (30) are fixedly provided at the bottom of the box door (4), and two threaded screw rods (32) are provided below the box door (4). The two ends of the threaded screw rods (32) are rotatably connected to the two mounting plates (30) respectively. The threaded screw rods (32) pass through the sliding plate (31) and are threadedly connected to the sliding plate (31). A driving motor (33) is fixedly provided at the ends of the two mounting plates (30), and the output shaft of the driving motor (33) is fixedly connected to the threaded screw rods (32).

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