Aluminum profile film laminating device

By designing an annular coating mechanism and feeder in the aluminum profile coating device, and multi-angle adjustment is achieved using angle variable sliders and lifting rods, the problems of complex equipment layout and difficult film angle adjustment in the prior art are solved, and efficient coating and space utilization are improved.

CN119682194AInactive Publication Date: 2025-03-25XUZHOU RUNKUN NEW MATERIALS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411840836.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-03-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When the existing aluminum profile coating device deals with aluminum profiles of different specifications and shapes, the equipment layout is complex, the floor area is large, the space utilization is low, and the angle adjustment of the film is difficult, which affects the coating effect.

Method used

An aluminum profile coating device is designed, using an annular coating mechanism and a feeder to achieve multi-angle adjustment of the press roller through the angle-changing slider and the lifting rod. The feed shaft and the fixed block can be adjusted according to the angle of the press roller to ensure that the film is close to the angle of the press roller and reduce torsion.

Benefits of technology

It realizes efficient coating of aluminum profiles of different specifications and shapes, reduces the equipment floor length, improves space utilization, and improves the film coverage effect, reducing torsion problems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to an aluminum profile film laminating device which comprises a conveying belt set, the end of the conveying belt set is sleeved with a feeding machine, the middle of the conveying belt set is sleeved with an annular film laminating mechanism, the rear end of the conveying belt set is provided with a cutting machine, and the annular film laminating mechanism comprises symmetrically-arranged first fixing discs; multiple sets of first positioning blocks are movably installed on the side walls of the first fixing discs, multiple sets of variable-angle sliding blocks are arranged between the first fixing discs on the two sides in a sliding mode, lifting rods longitudinally penetrate through the middles of the variable-angle sliding blocks, star-shaped holes are formed in the middles of the first positioning blocks, and star-shaped rods penetrating through the first fixing discs are transversely arranged in the middles of the variable-angle sliding blocks. A first support is detachably installed at the lower end of the lifting rod, and a pressing roller is rotationally arranged in the first support. The variable-angle sliding block can be changed to any angle so as to adapt to the angle of each side edge of the aluminum profile, so that the pressing roller is attached to the surface of the aluminum profile, and film coating operation on all the surfaces of the aluminum profile is achieved at the same time.
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Description

Technical Field

[0001] The invention belongs to the technical field of coating, and in particular relates to an aluminum profile coating device. Background Art

[0002] After extrusion, aluminum profiles are covered with a film to improve their performance and appearance. Aluminum profiles are active metals that easily react with oxygen in the air to form an oxide layer, which causes the surface to become rough, lose its luster, and reduce its strength and life. Coating can effectively isolate oxygen and prevent aluminum profiles from oxidation, thereby extending their service life.

[0003] There are many specifications and models of aluminum profiles, and the number of cross-sectional sides of aluminum profiles of different specifications is inconsistent. For example, conventional aluminum profiles are square, while special-shaped aluminum profiles are hexagonal and even have local protrusions. A set of rollers is required on each side of the aluminum profile for lamination, and the inclination angles of the rollers on each side are also inconsistent. In order to arrange rollers of different angles on the production line, the rollers on each side often need to be staggered front and back, resulting in a longer production line layout, a larger plant area, and lower equipment space utilization, and the number of production lines installed in the same space is greatly reduced.‌ Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an aluminum profile coating device, which at least partially solves the above problems.

[0005] The technical solution adopted by the present invention is as follows: an aluminum profile coating device proposed by the present invention comprises a conveyor belt group, and the conveyor belt group is composed of multiple sections of conveyor belts.

[0006] Furthermore, a feeder is provided at the end of the conveyor belt group, and a material roll for laminating is fixed in the feeder.

[0007] Furthermore, an annular coating mechanism is provided on the middle part of the conveyor belt group, and the annular coating mechanism includes a symmetrically arranged first fixed plate, and multiple groups of first positioning blocks are movably installed on the side wall of the first fixed plate, and a circular array of positioning holes is provided on the first fixed plate, and an arc slide groove is provided on the circular array on the first fixed plate, and the arc slide groove is provided on both sides of the positioning hole, and the first positioning block is installed in the positioning hole.

[0008] Furthermore, a plurality of groups of angle-changing sliding blocks are slidably disposed between the first fixed plates on both sides, the number of the angle-changing sliding blocks is the same as the number of the first positioning blocks, and the angle-changing sliding blocks are slidably disposed in the arc sliding grooves.

[0009] Furthermore, a lifting rod is longitudinally penetrated through the middle portion of the variable angle sliding block, a threaded hole is longitudinally provided in the middle portion of the variable angle sliding block, and the lifting rod is threadedly connected to the threaded hole.

[0010] Furthermore, a first bracket is detachably mounted on the lower end of the lifting rod, a pressure roller is rotatably disposed in the first bracket, and the width of the first bracket and the width of the pressure roller are determined by the width of the film-coated surface of the aluminum profile.

[0011] Furthermore, a star-shaped hole is provided in the middle of the first positioning block, a star-shaped rod penetrating the first fixed plate is transversely provided in the middle of the variable angle sliding block, and the star-shaped rod is installed in cooperation with the star-shaped hole.

[0012] Furthermore, a cutting machine is also provided at the rear end of the conveyor belt group. After the aluminum profile is coated, the cutting machine can cut off the film on the surface of the aluminum profile so that the front and rear aluminum profiles do not affect each other.

[0013] Furthermore, in order to make the unfolded film roll adhere to the surface of the aluminum profile more smoothly and prevent the film from twisting too much, it is necessary to make the angle of the film close to that of the working rollers. The feeder includes a symmetrically arranged second fixed plate, and the side walls of the second fixed plate are movably mounted with multiple groups of second positioning blocks. Multiple groups of fixed blocks are arranged between the second fixed plates on both sides. The fixed blocks are also connected to the second positioning blocks by means of star-shaped rods and star-shaped holes, and the angles of the fixed blocks can also be adjusted by the star-shaped rods.

[0014] Furthermore, a connecting rod is provided in the fixing block, a second bracket is detachably mounted on the lower end of the connecting rod, a feeding shaft is provided in the second bracket, and one end of the feeding shaft is exposed outside the side wall of the second bracket.

[0015] Furthermore, in order to drive the feed shaft to rotate and make the material roll convey the film, a gear disc is rotatably provided on the inner ring side wall of one of the second fixed disks, and the gear disc is provided with helical teeth on the side close to the fixed block, and an outer gear ring is provided on the side of the gear disc away from the fixed block, and a driving wheel is provided on the side wall of the second fixed disk close to the gear disc, and the driving wheel is meshed with the outer gear ring. A motor is provided on the second fixed disk away from the gear disc, and the output shaft of the motor passes through the two second fixed disks and is arranged on the driving wheel. A driven wheel is fixedly provided at one end of the feed shaft, and the driven wheel is meshed with the helical teeth.

[0016] The beneficial effects achieved by the present invention are as follows: 1. The annular laminating mechanism can select different numbers of lifting rods and variable angle sliders according to the model of the aluminum profile. The selected number is the same as the number of sides of the aluminum profile, and the variable angle slider can be changed to any angle to adapt to the angle of each side of the aluminum profile, so that the pressure roller fits on the surface of the aluminum profile, and the laminating operation of all surfaces of the aluminum profile is realized at the same time. This laminating method does not require staggered laminating, reduces the length of the production line, and greatly improves the utilization efficiency of the plant space; 2. The fixed blocks arranged in an array on the feeder can cover all angles, so that a feed shaft with an angle close to the pressure roller can be selected according to needs, so that the material roll on the feed shaft and the pressure roller on the annular laminating mechanism can be used in conjunction. When the angles of the two are close, the torsion of the film can be reduced, and torsion caused by large angle changes can be prevented, thereby improving the laminating effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an embodiment of the present invention; Figure 2 The state structure of the annular coating mechanism Figure 1 ; Figure 3 It is an exploded diagram of the annular laminating mechanism; Figure 4 It is a position relationship diagram of the first positioning, lifting rod and angle-changing slider; Figure 5 The state structure of the annular coating mechanism Figure 2 ; Figure 6 It is the structural diagram of the feeder; Figure 7 This is the exploded view of the feeder; Figure 8 It is a schematic diagram of the transmission relationship among the gear wheel, driven wheel and driving wheel.

[0018] Among them, 1. conveyor belt group, 2. feeder, 3. annular laminating mechanism, 4. first fixed disk, 5. first positioning block, 6. lifting rod, 7. variable angle slider, 8. star-shaped hole, 9. star-shaped rod, 10. threaded hole, 11. first bracket, 12. pressure roller, 13. arc slide groove, 14. positioning hole, 15. second fixed disk, 16. second positioning block, 17. fixed block, 18. motor, 19. gear disk, 20. driven wheel, 21. driving wheel, 22. connecting rod, 23. second bracket, 24. feeding shaft, 25. bevel teeth, 26. outer gear ring, 27. cutting machine.

[0019] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0022] like Figure 1 As shown, an aluminum profile coating device proposed in an embodiment of the present invention includes a conveyor belt group 1, which is composed of multiple conveyor belt groups 1. There is a gap between each group of conveyor belts, and the gap can reserve space for aluminum profile coating.

[0023] The end of the conveyor belt group 1 is sleeved with a feeder 2, and a material roll for laminating is fixed in the feeder 2.

[0024] like Figure 2-Figure 5 As shown, an annular coating mechanism 3 is sleeved on the middle part of the conveyor belt group 1, and the conveyor belt group 1 conveys the film to the annular coating mechanism 3, and the annular coating mechanism 3 rolls the film conveyed by the feeder 2 onto the surface of the aluminum profile. The annular coating mechanism 3 includes a symmetrically arranged first fixed disk 4, and the first fixed disk 4 is sleeved on the conveyor belt group 1. Multiple groups of first positioning blocks 5 are movably installed on the side wall of the first fixed disk 4, and the number of the first positioning blocks 5 can be increased or decreased according to demand. There are positioning holes 14 in a circumferential array on the first fixed disk 4, and there are arc grooves 13 in a circumferential array on the first fixed disk 4. The arc grooves 13 are arranged on both sides of the positioning holes 14, and the first positioning blocks 5 are installed in the positioning holes 14. The first positioning blocks 5 are connected to the first fixed disk 4 through the positioning holes 14. The positions of the installed positioning holes 14 are different, and the heights and angles of the first positioning blocks 5 on the longitudinal section are also different.

[0025] A plurality of groups of variable angle sliders 7 are slidably provided between the first fixed plates 4 on both sides. The number of the variable angle sliders 7 is the same as that of the first positioning blocks 5 . The variable angle sliders 7 are slidably provided in the arc grooves 13 . The variable angle sliders 7 can slide to any angle along the center of the first fixed plate 4 .

[0026] A lifting rod 6 runs through the middle of the variable angle slider 7 longitudinally, and a threaded hole 10 is provided in the middle of the variable angle slider 7 longitudinally. The lifting rod 6 is threadedly connected to the threaded hole 10. When the lifting rod 6 rotates along the threaded hole 10, the exposed height of the lifting rod 6 relative to the upper wall of the variable angle slider 7 can be changed.

[0027] A first bracket 11 is detachably mounted on the lower end of the lifting rod 6, and a pressure roller 12 is rotatably arranged in the first bracket 11. The width of the first bracket 11 and the width of the pressure roller 12 are determined by the width of the coated surface of the aluminum profile. When it is necessary to produce aluminum profiles of different specifications, the original first bracket 11 can be removed and replaced with the first bracket 11 that is adapted to the specifications of the aluminum profile to be produced, and the pressure roller 12 is also replaced accordingly. It should be noted that after replacing the pressure roller 12, in order to ensure that the pressure roller 12 fits the surface of the aluminum profile, the lifting rod 6 can be rotated to change the distance between the lifting rod 6 and the center of the first fixed disk 4, thereby adjusting the distance between the pressure roller 12 and the center of the first fixed disk 4, that is, changing the distance between the pressure roller 12 and the aluminum profile. After replacing the pressure roller 12, it is also necessary to adjust the angle of the pressure roller 12 to ensure that the rotation axis of the pressure roller 12 is perpendicular to the length direction of the aluminum profile, that is, keep the side wall of the first bracket 11 parallel to the side wall of the first fixed disk 4.

[0028] A star-shaped hole 8 is provided in the middle of the first positioning block 5, and a star-shaped rod 9 is transversely provided in the middle of the variable angle slider 7 to penetrate the first fixed plate 4. The star-shaped rod 9 is installed in cooperation with the star-shaped hole 8. Figure 5 As shown, when replacing the product, it is necessary to select a suitable number of rollers 12 according to the number of surfaces of the aluminum profile. For the rollers 12 that are not needed, just move the lifting rod 6 upward to separate the rollers 12 from the aluminum profile (in Figure 5 Only some of the pressure rollers 12 that need to be adjusted in angle are displayed, and the remaining pressure rollers 12 are not displayed). When selecting the pressure roller 12, the pressure roller 12 close to the inclined surface of the aluminum profile is preferably selected. If there is no pressure roller 12 that is particularly close, the first positioning block 5 can be removed and the angle-changing slider 7 can be rotated along the arc slide groove 13 to a position close to the inclined surface of the aluminum profile. After that, the pressure roller 12 must be adjusted to the same angle as the inclined surface of the aluminum profile so that the pressure roller 12 is parallel to the surface of the aluminum profile. At this time, the angle-changing slider 7 can be rotated, and the angle-changing slider 7 drives the first bracket 11 below to rotate through the lifting rod 6 until the pressure roller 12 in the first bracket 11 is parallel to the surface of the aluminum profile. Then the first positioning block 5 is put on the star-shaped rod 9 and fixed on the surface of the first fixed disk 4, and the star-shaped hole 8 is completely embedded with the star-shaped rod 9. At this time, the angle-changing slider 7 can no longer rotate, the angle remains fixed, and the pressure roller 12 is also in contact with the surface of the aluminum profile. The remaining surfaces of the aluminum profile are adjusted in the same way.

[0029] like Figure 1 As shown, a cutting machine 27 is also provided at the rear end of the conveyor belt group 1. After the aluminum profile is coated, the cutting machine 27 can cut off the film on the surface of the aluminum profile so that the front and rear aluminum profiles do not affect each other.

[0030] like Figure 1 , Figure 6 and Figure 7As shown, in order to make the unfolded film roll adhere to the surface of the aluminum profile more smoothly and prevent the film from twisting too much, it is necessary to make the angle of the film close to the working pressure roller 12. The feeder 2 includes a symmetrically arranged second fixed disk 15, and the side walls of the second fixed disk 15 are movably mounted with multiple groups of second positioning blocks 16. Multiple groups of fixed blocks 17 are arranged between the second fixed disks 15 on both sides. The fixed blocks 17 are also connected to the second positioning blocks 16 by means of star-shaped rods 9 and star-shaped holes 8. The angle of the fixed blocks 17 can also be adjusted by the star-shaped rods 9. The second fixed disk 15 is also provided with positioning holes 14. The working principles of the second fixed blocks 17 and the fixed blocks 17 are the same as those of the first fixed blocks 17 and the variable angle slider 7, which will not be repeated here. The fixed blocks 17 can be moved to an angle that matches the pressure roller 12 and fixed, so as to facilitate the feeding belt to convey the film to the pressure roller 12 at the same or similar angle.

[0031] A connecting rod 22 is provided in the fixed block 17, and a second bracket 23 is detachably installed at the lower end of the connecting rod 22. A feeding shaft 24 is provided in the second bracket 23, and one end of the feeding shaft 24 is exposed outside the side wall of the second bracket 23. The connecting rod 22 and the fixed block 17 cannot move relative to each other, and the distance between the feeding shaft 24 and the center of the second fixed disk 15 remains constant, so that the material roll on the feeding shaft 24 is gradually retracted when it is conveyed to the pressure roller 12, thereby preventing the material roll film from interfering with the aluminum profile before it is attached.

[0032] like Figure 6 and Figure 8 As shown, in order to drive the feed shaft 24 to rotate so that the material roll is conveying the film, a toothed disc 19 is rotatably provided on the inner ring side wall of one of the second fixed discs 15, and a helical tooth 25 is provided on the side of the toothed disc 19 close to the fixed block 17, and an outer toothed ring 26 is provided on the side of the toothed disc 19 away from the fixed block 17, and a driving wheel 21 is provided on the side wall of the second fixed disc 15 close to the toothed disc 19, and the driving wheel 21 is meshed with the outer toothed ring 26, and a motor 18 is provided on the second fixed disc 15 away from the toothed disc 19, and the output of the motor 18 The shaft passes through the two second fixed disks 15 and is arranged on the driving wheel 21. A driven wheel 20 is fixedly arranged at one end of the feeding shaft 24. The driven wheel 20 is meshed with the bevel gear 25. When the motor 18 drives the driving wheel 21 to rotate, the driving wheel 21 drives the toothed disk 19 to rotate through the outer gear ring 26, thereby driving the bevel gear 25 to rotate, and the driven wheel 20 meshed with the bevel gear 25 follows the rotation, thereby rotating the feeding shaft 24, so that the material roll on the feeding shaft 24 is continuously fed. The feeding shaft 24 and the driven wheel 20 are detachable to facilitate the installation of the material roll.

[0033] During the specific work, the pressure rollers 12 and feeding shafts 24 of appropriate positions and sizes are selected according to the number and angle of the coated surfaces of the aluminum profiles. First, the first bracket 11 and the second bracket 23 involved in the operation are removed, and the first bracket 11 and the second bracket 23 of appropriate sizes are replaced, and the pressure rollers 12 and feeding shafts 24 inside are replaced at the same time. The remaining pressure rollers 12 that do not participate in the operation only need to move the lifting rod 6 upwards to move it to the inner ring side wall of the first fixed disk 4 to separate from the aluminum profile. The pressure rollers 12 or feeding shafts 24 involved in the operation need to be adjusted to a position that matches the surface angle of the aluminum profile.

[0034] At this time, the first positioning block 5 can be pulled outward, and the angle-changing slider 7 can be rotated along the arc slide groove 13 to make the pressure roller 12 close to the surface of the aluminum profile currently to be coated, and then the angle-changing slider 7 can be rotated to make the pressure roller 12 parallel to the coated surface of the aluminum profile, and the height of the lifting rod 6 can be adjusted to make the pressure roller 12 completely fit on the coated surface of the aluminum profile, and then the first positioning block 5 can be inserted into the star-shaped rod 9 to make the star-shaped rod 9 fit with the star-shaped hole 8, and then the first positioning block 5 can be fixed in the positioning hole 14 of the first fixed plate 4. At this time, the angle and position of the pressure roller 12 are adjusted to fit the coated surface of the aluminum profile, and the pressure rollers 12 on the remaining surfaces adopt the same adjustment method.

[0035] The adjustment method of the second bracket 23 is the same as that of the first bracket 11. After adjusting the second bracket 23 to the same or similar angle as the first bracket 11 (because the connecting rod 22 on the second bracket 23 cannot move up and down, the material roll cannot contact the aluminum profile, so it is impossible to measure whether the angle is exactly the same, and it can only be judged visually), install the film material roll on the feed shaft 24.

[0036] When the aluminum profile moves on the conveyor belt group 1, after the aluminum profile passes through the feeder 2, the starting section of the film adheres to the aluminum profile, and the motor 18 is started. The motor 18 drives the outer ring gear 26 to rotate through the driving wheel 21, and the outer ring gear 26 drives the helical teeth 25 on the gear plate 19 to rotate. When the helical teeth 25 rotate, the driven wheel 20 meshing with it follows the rotation, and the driven wheel 20 drives the material roll size on the feeding shaft 24 to rotate, so that the film unfolds and adheres to the aluminum profile following the aluminum profile.

[0037] Because the starting height of the film is greater than that of the aluminum profile, the film has not yet contacted the surface of the aluminum profile, and the film is in a gradually contracted state between the feeder 2 and the annular coating mechanism 3. Only when the aluminum profile drives the film to move to the pressure roller 12 of the annular coating mechanism 3, the film is pressed by the pressure roller 12 onto the surface of the aluminum profile, completing the coating operation of the aluminum profile.

[0038] After the film coating is completed, the aluminum profile continues to move to the cutting machine 27, and the film is cut at the gap between the front and rear aluminum profiles to prevent the film from affecting the movement of the front and rear aluminum profiles.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. An aluminum profile coating device, comprising a conveyor belt group (1), characterized in that: Also includes: An annular film coating mechanism (3) surrounds the middle of the conveyor belt group (1), and comprises a symmetrically arranged first fixed disk (4), a plurality of first positioning blocks (5) are movably mounted on the side wall of the first fixed disk (4), a plurality of variable angle sliders (7) are slidably mounted between the first fixed disks (4) on both sides, a lifting rod (6) is longitudinally penetrated through the middle of the variable angle slider (7), a star-shaped hole (8) is provided in the middle of the first positioning block (5), a star-shaped rod (9) is transversely disposed in the middle of the variable angle slider (7) and penetrates the first fixed disk (4), the star-shaped rod (9) is mounted in cooperation with the star-shaped hole (8), a first bracket (11) is detachably mounted on the lower end of the lifting rod (6), and a pressure roller (12) is rotatably disposed in the first bracket (11); The feeder (2) is wound around the end of the conveyor belt assembly (1) and is used to fix the material roll and convey the film to the annular film laminating mechanism (3).

2. The aluminum profile coating device according to claim 1, characterized in that: The first fixed plate (4) has a circumferential array of positioning holes (14), and the first fixed plate (4) has an arc sliding groove (13) in the circumferential array, and the arc sliding groove (13) is arranged on both sides of the locating holes (14).

3. The aluminum profile coating device according to claim 2, characterized in that: The first positioning block (5) is installed in the positioning hole (14), and the variable angle sliding block (7) is slidably arranged in the circular arc sliding groove (13).

4. The aluminum profile coating device according to claim 1, characterized in that: A threaded hole (10) is longitudinally provided in the middle of the variable angle sliding block (7), and the lifting rod (6) is threadedly connected to the threaded hole (10).

5. The aluminum profile coating device according to claim 1, characterized in that: The feeder (2) comprises a symmetrically arranged second fixed disk (15), a plurality of sets of second positioning blocks (16) are movably mounted on the side wall of the second fixed disk (15), a plurality of sets of fixed blocks (17) are arranged between the second fixed disks (15) on both sides, a connecting rod (22) is arranged in the fixed block (17), a second bracket (23) is detachably mounted at the lower end of the connecting rod (22), a feeding shaft (24) is arranged in the second bracket (23), and one end of the feeding shaft (24) is exposed outside the side wall of the second bracket (23).

6. The aluminum profile coating device according to claim 5, characterized in that: The fixing block (17) is also connected to the second positioning block (16) by means of a star-shaped rod (9) and a star-shaped hole (8), and the angle of the fixing block (17) can be adjusted by means of the star-shaped rod (9).

7. The aluminum profile coating device according to claim 5, characterized in that: A toothed disc (19) is rotatably provided on the inner ring side wall of one of the second fixed discs (15); a side of the toothed disc (19) close to the fixed block (17) is provided with helical teeth (25); a side of the toothed disc (19) away from the fixed block (17) is provided with an outer toothed ring (26).

8. The aluminum profile coating device according to claim 7, characterized in that: A driving wheel (21) is provided on the side wall of the second fixed disk (15) on the side close to the toothed disk (19), and the driving wheel (21) meshes with the outer gear ring (26). A motor (18) is provided on the second fixed disk (15) on the side away from the toothed disk (19), and an output shaft of the motor (18) passes through the two second fixed disks (15) and is provided on the driving wheel (21).

9. The aluminum profile coating device according to claim 8, characterized in that: A driven wheel (20) is fixedly provided at one end of the feeding shaft (24), and the driven wheel (20) is meshed with the helical teeth (25).