A high-precision heat transfer device for aluminum processing

Abstract

This invention discloses a high-precision heat transfer printing device for aluminum material processing, belonging to the field of heat transfer printing technology. The invention includes a conveyor belt, a film winding assembly, a printing assembly, a moving assembly, a clamping assembly, a limiting assembly, and an adjusting assembly. The conveyor belt is fixedly mounted on the upper side of a conveyor belt base for conveying the aluminum material to be processed. The film winding assembly includes an unwinding shaft and a rewinding shaft. The moving assembly is located on the upper side of the conveyor belt for moving the printing assembly. The clamping assembly includes a clamping support plate, a clamping motor, and a clamping telescopic rod. The limiting assembly is located behind the printing assembly and includes a left limiting assembly and a right limiting assembly. The adjusting assembly is located in front of the printing assembly and includes a left adjusting assembly and a right adjusting assembly. It can automatically adjust the placement position of the aluminum material, prevent slight movement of the aluminum material during heat transfer, and achieve high-precision heat transfer of the required pattern on the aluminum material, preventing pattern deviation during heat transfer.

Description

Technical Field

[0001] This invention belongs to the field of heat transfer technology, and more specifically, relates to a high-precision heat transfer device for aluminum processing. Background Technology

[0002] Heat transfer printing is an emerging printing technology in which the colors and patterns to be printed are pre-printed on a heat transfer film, then the heat transfer film is adhered to the final printing substrate and heated to transfer the colors on the heat transfer film to the printing substrate.

[0003] In heat transfer printing on aluminum, manual adjustment of the aluminum material's position is often required due to the lack of automated adjustment components. This manual placement easily leads to errors in the printed pattern, hindering high-precision processing. Furthermore, the lack of clamping components during heat transfer printing allows slight movement of the aluminum material, resulting in incomplete or misprinted patterns. Existing heat transfer equipment is often designed for specific types of aluminum, leading to low efficiency and an inability to adapt to various aluminum shapes. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a high-precision heat transfer printing device for aluminum material processing, which is equipped with an adjustment component to automatically adjust the placement position of the aluminum material; a clamping component and a limiting component to prevent slight movement of the aluminum material during heat transfer; it can achieve high-precision heat transfer printing of the required pattern on the aluminum material, prevent the pattern from deviating during heat transfer, and can adapt to heat transfer processing of aluminum materials of various shapes.

[0005] A high-precision heat transfer printing device for aluminum processing includes a conveyor belt, a film winding assembly, a film printing assembly, a moving assembly, a clamping assembly, a limiting assembly, and an adjusting assembly.

[0006] The conveyor belt is fixedly installed on the upper side of the conveyor belt base and is used to transport the aluminum material to be processed.

[0007] The film winding assembly includes an unwinding shaft and a rewinding shaft. The unwinding shaft is located on the left side of the conveyor belt. The rewinding shaft is located on the right side of the conveyor belt.

[0008] The moving component is located on the upper side of the conveyor belt and is used to move the printing film assembly.

[0009] The printing assembly is fixedly connected to the moving assembly so that the moving assembly drives the printing assembly to move.

[0010] The clamping assembly includes a clamping support plate, a clamping motor, and a clamping telescopic rod. The clamping assembly is symmetrically arranged on both sides of the conveyor belt. The clamping support plate is fixedly connected to the upper side of the conveyor belt. The clamping motor is fixedly mounted on the upper side of the clamping support plate, and its output end is fixedly connected to the clamping telescopic rod, with the motor output end facing the aluminum material to be processed.

[0011] The limiting components are located behind the printing assembly and include a left limiting component and a right limiting component. The left and right limiting components are symmetrically arranged on both sides of the conveyor belt. The left limiting component includes a left guide rail, a left slider, and a left limiting rod. The left guide rail is located on the left side of the conveyor belt. The left slider is slidably connected to the left guide rail. The left limiting rod is rotatably connected to the left slider, and the left limiting rod can rotate within a range of 0~90° around its connection point with the left slider as its rotation center.

[0012] The adjustment assembly is located in front of the printing assembly and includes a left adjustment assembly and a right adjustment assembly, which are symmetrically arranged on both sides of the conveyor belt. The left adjustment assembly includes a left adjustment plate, a left adjustment guide rail, and a left adjustment block. The left adjustment guide rail is located on the left side of the conveyor belt. The left adjustment block is slidably connected to the left adjustment guide rail. The left adjustment plate is rotatably connected to the left adjustment block, and the left adjustment plate can rotate within a range of 0~90° around its connection point with the left adjustment block as the center of rotation.

[0013] As a further improvement of the present invention, a heat transfer film is disposed between the unwinding shaft and the rewinding shaft. The unwinding shaft is used to unwind the heat transfer film. The rewinding shaft is used to rewind the heat transfer film.

[0014] As a further improvement of the present invention, the moving component includes a heat transfer bracket, an adjusting slider, an adjusting lead screw, an adjusting guide rod, an adjusting support plate, and an adjusting motor. The heat transfer bracket is fixedly mounted on the upper side of the conveyor belt, with its lower end connected to the left and right sides of the conveyor belt respectively. The adjusting support plates are symmetrically arranged below both ends of the top wall of the heat transfer bracket, and the adjusting slider is disposed between the adjusting support plates, slidingly connected to the adjusting lead screw and the adjusting guide rod. The adjusting guide rod is disposed between the adjusting support plates and above the adjusting lead screw. The adjusting motor is disposed on the side of the adjusting support plate away from the adjusting lead screw, and the output end of the adjusting motor passes through the adjusting support plate and is connected to the adjusting lead screw.

[0015] As a further improvement of the present invention, the printing assembly includes a hydraulic rod, a support plate, a transfer heating shell, a heat transfer roller, and a high-temperature heating layer. The hydraulic rod is located below the top wall of the heat transfer bracket, and its upper end is fixedly connected to the lower end of the adjusting slider. The upper side of the support plate is fixedly connected to the lower end of the hydraulic rod. The transfer heating shell is located below the center of the support plate, and its cross-section is an arc shape with an opening at the lower end. The heat transfer roller is located inside the transfer heating shell, and the high-temperature heating layer is located on the inner sidewall of the transfer heating shell and above the heat transfer roller.

[0016] As a further improvement of the present invention, the printing assembly also includes a leveling shaft. The leveling shaft is symmetrically arranged on the lower side of the support plate and on both sides of the heat transfer roller.

[0017] As a further improvement of the present invention, the clamping support plate of the clamping assembly has positioning holes at four ends for fixing the clamping support plate and the conveyor belt.

[0018] As a further improvement of the present invention, the right limiting component in the limiting assembly includes a right guide rail, a right slider, and a right limiting rod. The right guide rail is located on the right side of the conveyor belt. The right slider is slidably connected to the right guide rail. The right limiting rod is rotatably connected to the right slider, and the right limiting rod can rotate within a range of 0~90° around its connection point with the right slider as the center of rotation.

[0019] As a further improvement of the present invention, when the left and right limiting rods of the limiting components near the transfer assembly are in their initial positions, the left limiting rod is in close contact with the inner side of the left guide rail, and the right limiting rod is in close contact with the inner side of the right guide rail.

[0020] As a further improvement of the present invention, the right adjustment component in the adjustment assembly includes a right adjustment plate, a right adjustment guide rail, and a right adjustment block. The right adjustment guide rail is disposed on the right side of the conveyor belt. The right adjustment block is slidably connected to the right adjustment guide rail. The right adjustment plate is rotatably connected to the right adjustment block, and the right adjustment plate can rotate within a range of 0~90° around its connection point with the right adjustment block as the center of rotation.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] 1. By setting up a conveyor belt, a printing assembly, and a roll-up assembly, aluminum materials are placed on the conveyor belt and moved to achieve automatic heat transfer printing of aluminum materials, saving labor costs and improving production efficiency.

[0023] 2. By setting clamping and limiting components, the aluminum material is clamped during processing to prevent slight movement during heat transfer. This enables high-precision heat transfer of the required pattern on the aluminum material, prevents pattern deviation during heat transfer, and can adapt to heat transfer processing of aluminum materials of various shapes.

[0024] 3. By setting the adjustment component, the placement position of the aluminum material can be automatically adjusted, reducing the positional deviation caused by manual placement of the aluminum material, improving the accuracy of pattern heat transfer, and achieving high-precision heat transfer; in addition, the adjustment component can also play a role in limiting the position of the aluminum material during processing.

[0025] 4. By setting a leveling pivot, the heat transfer film can be pressed flat onto the aluminum surface, making the heat transfer pattern adhere better to the aluminum surface. Attached Figure Description

[0026] Figure 1This is a schematic diagram of the structure of the film winding assembly, the printing assembly, and the moving assembly of the present invention;

[0027] Figure 2 This is a schematic diagram of the clamping assembly of the present invention clamping an aluminum material;

[0028] Figure 3 This is a schematic diagram of the heat transfer process of the present invention;

[0029] Figure 4 This is a schematic diagram of the structure of the adjustment component and the limiting component of the present invention;

[0030] Figure 5 This is a schematic diagram of the clamping assembly of the present invention;

[0031] Figure 6 This is a schematic diagram of the separator of the present invention;

[0032] Figure 7 This is a schematic diagram of the separator of the present invention.

[0033] Figure 8 This is a schematic diagram of the separator of the present invention in its initial position;

[0034] Figure 9 This is a schematic diagram of the operation of the adjustment component of the present invention;

[0035] Figure 10 This is a schematic diagram of the operation of the adjusting component of the present invention when it limits the aluminum material.

[0036] Explanation of the labels in the diagram:

[0037] 1. Conveyor belt; 2. Heat transfer bracket; 3. Unwinding shaft; 4. Rewinding shaft; 5. Hydraulic rod; 6. Support plate; 7. Heat transfer heating shell; 8. Heat transfer roller; 9. High-temperature heating layer; 10. Leveling shaft; 11. Adjusting slider; 12. Adjusting screw; 13. Adjusting guide rod; 14. Adjusting support plate; 15. Adjusting motor; 16. Clamping support plate; 17. Clamping motor; 18. Clamping telescopic rod; 25. Separator; 26. Right adjusting plate; 27. Right adjusting guide rail; 28. Right adjusting block; 29. ​​Left adjusting plate; 30. Left adjusting guide rail; 31. Left adjusting block. Detailed Implementation

[0038] Specific Implementation Example 1: Please refer to... Figure 1-10 A high-precision heat transfer printing device for aluminum processing includes a conveyor belt 1, a film winding assembly, a film printing assembly, a moving assembly, a clamping assembly, a limiting assembly, and an adjusting assembly.

[0039] Conveyor belt 1 is fixedly installed on the upper side of the conveyor belt base and is used to transport the aluminum material to be processed. The aluminum material to be processed is transported to the film roll assembly from left to right.

[0040] The film roll assembly includes an unwinding shaft 3 and a take-up shaft 4. The unwinding shaft 3 is located on the left side of the conveyor belt 1. The take-up shaft 4 is located on the right side of the conveyor belt 1. A heat transfer film is placed between the unwinding shaft 3 and the take-up shaft 4, and the heat transfer film is flattened by the unwinding shaft 3 and the take-up shaft 4, with the flattened surface parallel to the surface of the aluminum material to be processed. The unwinding shaft 3 is used to unwind the heat transfer film. The take-up shaft 4 is used to rewind the heat transfer film.

[0041] A moving component is positioned on the upper side of conveyor belt 1 to move the printing film assembly. The moving component includes a heat transfer bracket 2, an adjusting slider 11, an adjusting screw 12, an adjusting guide rod 13, an adjusting support plate 14, and an adjusting motor 15. The heat transfer bracket 2 is fixedly mounted on the upper side of conveyor belt 1, with its lower end connected to the left and right sides of conveyor belt 1 respectively. The adjusting support plate 14 is symmetrically positioned below both ends of the top wall of the heat transfer bracket 2, with its upper end fixedly connected to the lower sides of both ends of the top wall of the heat transfer bracket 2. The adjusting slider 11 is positioned between the adjusting support plates 14, and is slidably connected to the adjusting screw 12 and the adjusting guide rod 13, allowing the adjusting slider 11 to move linearly between the adjusting screw 12 and the adjusting guide rod 13. The adjusting guide rod 13 is positioned between the adjusting support plates 14 and above the adjusting screw 12. The adjusting motor 15 is positioned on the side of the adjusting support plate 14 away from the adjusting screw 12, and its output end passes through the adjusting support plate 14 and connects to the adjusting screw 12.

[0042] The printing assembly is fixedly connected to the moving assembly, so that the moving assembly drives the printing assembly to move. The printing assembly includes a hydraulic rod 5, a support plate 6, a transfer heating shell 7, a heat transfer roller 8, and a high-temperature heating layer 9. The hydraulic rod 5 is located below the top wall of the heat transfer bracket 2, and its upper end is fixedly connected to the lower end of the adjusting slider 11. The upper side of the support plate 6 is fixedly connected to the lower end of the hydraulic rod 5. The transfer heating shell 7 is located below the center of the support plate 6, and its upper side is fixedly connected to the lower side of the support plate 6. The cross-section of the transfer heating shell 7 is an arc shape with an opening at the lower end. The heat transfer roller 8 is located inside the transfer heating shell 7, and the high-temperature heating layer 9 is located on the inner side wall of the transfer heating shell 7 and above the heat transfer roller 8. The printing assembly also includes a leveling roller 10. The leveling roller 10 is symmetrically arranged below the support plate 6 and on both sides of the heat transfer roller 8. The leveling roller 10 is used to level the pattern after heat transfer.

[0043] The clamping assembly includes a clamping support plate 16, a clamping motor 17, and clamping telescopic rods 18. The clamping assembly is symmetrically arranged on both sides of the conveyor belt 1, located before the limiting device and below the printing assembly and the moving assembly. The clamping support plate 16 is fixedly connected to the upper side of the conveyor belt 1. The clamping motor 17 is fixedly mounted on the upper side of the clamping support plate 16, and its output end is fixedly connected to the clamping telescopic rods 18, with the output end of the clamping motor 17 facing the aluminum material to be processed. The clamping telescopic rods 18 on both sides move towards each other, with one end of the rod abutting against the surface of the aluminum material to be processed to clamp it. The clamping support plate 16 of the clamping assembly has positioning holes at four ends for fixedly connecting the clamping support plate 16 and the conveyor belt 1.

[0044] The limiting assembly includes a left limiting assembly and a right limiting assembly. The left and right limiting assemblies are symmetrically arranged on both sides of the conveyor belt 1. The left limiting assembly includes a left guide rail, a left slider, and a left limiting rod. The left guide rail is located on the left side of the conveyor belt 1. The left slider is slidably connected to the left guide rail. The left limiting rod is rotatably connected to the left slider, and the left limiting rod can rotate within a range of 0~90° around its connection point with the left slider as the center of rotation.

[0045] The right limiting component in the limiting assembly includes a right guide rail, a right slider, and a right limiting rod. The right guide rail is located on the right side of conveyor belt 1. The right slider is slidably connected to the right guide rail. The right limiting rod is rotatably connected to the right slider, and the right limiting rod can rotate within a range of 0~90° around its connection point with the right slider as the center of rotation.

[0046] When the left and right limit rods are in their initial positions, the left limit rod is in close contact with the inside of the left guide rail, and the right limit rod is in close contact with the inside of the right guide rail.

[0047] The adjustment assembly is located in front of the printing assembly. The adjustment assembly includes a left adjustment assembly and a right adjustment assembly, which are symmetrically arranged on both sides of the conveyor belt 1. The left adjustment assembly includes a left adjustment plate 29, a left adjustment guide rail 30, and a left adjustment block 31. The left adjustment guide rail 30 is located on the left side of the conveyor belt 1. The left adjustment block 31 is slidably connected to the left adjustment guide rail 30. The left adjustment plate 29 is rotatably connected to the left adjustment block 31. The left adjustment plate 29 can rotate within the range of 0 to 90° around the point of connection with the left adjustment block 31 as the center of rotation.

[0048] The right adjustment component in the adjustment assembly includes a right adjustment plate 26, a right adjustment guide rail 27, and a right adjustment block 28; the right adjustment guide rail 27 is located on the right side of the conveyor belt 1; the right adjustment block 28 is slidably connected to the right adjustment guide rail 27; the right adjustment plate 26 is rotatably connected to the right adjustment block 28, and the right adjustment plate 26 can rotate around the connection point with the right adjustment block 28 as the rotation center within the range of 0~90°.

[0049] The right adjusting plate 26 and the left adjusting plate 29 are trapezoidal structures, with their shorter sides facing the aluminum material inlet, forming an opening in the middle for the aluminum material to pass through. The position of the opening determines the location of the aluminum material during processing. The right adjusting plate 26 and the left adjusting plate 29 are controlled by a controller, which drives them to rotate and move, adjusting the size and position of the opening. The aluminum material placed on the conveyor belt 1 first passes through the adjusting assembly. The required opening size and position are pre-set, and the aluminum material contacts and collides with the inclined edge of the adjusting plate. The aluminum material is limited and enters the opening along the inclined edge. The opening width is slightly larger than the width of the aluminum material, ensuring that the aluminum material is positioned on the correct processing path.

[0050] When the aluminum material is clamped by the clamping assembly, the right adjusting plate 26 and the left adjusting plate 29 automatically rotate, so that the longest side of the plate rotates to the side closer to the aluminum material and moves to abut against the aluminum material. Together with the limiting assembly, they clamp the aluminum material in the front-to-back direction and prevent it from moving.

[0051] Working principle:

[0052] The aluminum material to be processed is placed on conveyor belt 1. The right adjusting plate 26 and left adjusting plate 29 of the adjusting assembly are controlled by a controller, which drives them to rotate and move, adjusting the size and position of the opening. The aluminum material placed on conveyor belt 1 first passes through the adjusting assembly, where the required opening size and position are pre-set. The aluminum material contacts and collides with the inclined edge of the adjusting plate, and is limited to enter the opening along the inclined edge. The opening width is slightly larger than the width of the aluminum material, ensuring the aluminum material is on the correct processing path. When the aluminum material is clamped by the clamping assembly, the right adjusting plate 26 and left adjusting plate 29 automatically rotate, causing their longest side to rotate to the side closest to the aluminum material and move to abut against it. Working together with the limiting assembly, they clamp the aluminum material in the front-to-back direction, preventing movement.

[0053] Conveyor belt 1 transports the aluminum material to be processed to the clamping assembly. Conveyor belt 1 stops moving, and the clamping telescopic rods 18 located on both sides of the aluminum material to be processed move towards each other to clamp the aluminum material to be processed. The left slider and the right slider move along the left guide rail and the right guide rail to the corresponding positions. The left limit rod and the right limit rod rotate toward the side of the aluminum material to be processed, so that the front and rear limit rods abut against the aluminum material to be processed to limit the aluminum material to be processed.

[0054] The moving component drives the adjusting slider 11 to move the printing film assembly directly above the aluminum material to be processed. The high-temperature heating layer 9 inside the transfer heating shell 7 heats the heat transfer roller 8. The hydraulic rod 5 extends downward to push the heat transfer roller 8 below the support plate 6. After heating, the heat transfer roller 8 approaches the heat transfer film between the unwinding shaft 3 and the rewinding shaft 4, pressing the heat transfer film onto the aluminum material to be processed, thereby printing the pattern on the heat transfer film onto the surface of the aluminum material. After pressing, the adjusting slider 11 moves back and forth left and right to make the leveling shaft 10 level the pattern surface. The unwinding shaft 3 and the rewinding shaft 4 roll, moving the heat transfer film to the new pattern area.

[0055] The clamping assembly, limiting device, and limiting assembly are reset, and the conveyor belt 1 continues to work, transporting the processed aluminum material forward to transport the next aluminum material to be processed.

[0056] Specific Implementation Example 2: Please refer to Figure 1-10 A high-precision heat transfer printing device for aluminum processing is described in this embodiment. The similarities to Embodiment 1 are not repeated here, but the difference lies in that the clamping assembly further includes a separator 25. The separator 25 is a long, tapered rod, with its tail end connected to the output end of the clamping motor 17, allowing it to rotate around its connection point with the clamping motor 17. The separator 25 is located between the surface of the aluminum material to be processed and the heat transfer film. The initial position of the separator 25 is when it has rotated to the side closest to the inside of the conveyor belt 1. When the heat transfer process is complete, the separator 25 rotates left and right, passing between the aluminum surface and the heat transfer film. Uneven heating may cause the heat transfer film to melt at different points during printing, resulting in incomplete transfer and adhesion between the transfer film and the aluminum material. After completing its work, the separator 25 returns to its initial position. The separator 25's passage between the aluminum material and the heat transfer film effectively prevents adhesion between them.

Claims

1. A high-precision heat transfer printing device for aluminum material processing, characterized by: The device comprises a conveying belt (1), a film winding assembly, a film printing assembly, a moving assembly, a clamping assembly, a limiting assembly and an adjusting assembly. The conveying belt (1) is fixedly arranged on the upper side of the conveying belt base and used for conveying the aluminum material to be processed. The film winding assembly comprises a film unwinding shaft (3) and a film winding shaft (4). The film unwinding shaft (3) is arranged on the left side of the conveying belt (1), and the film winding shaft (4) is arranged on the right side of the conveying belt (1). The moving assembly is arranged on the upper side of the conveying belt (1) and used for moving the film printing assembly. The film printing assembly is fixedly connected with the moving assembly, so that the moving assembly drives the film printing assembly to move. The clamping assembly comprises a clamping support plate (16), a clamping motor (17) and a clamping telescopic rod (18). The clamping assembly is symmetrically arranged on both sides of the conveying belt (1). The clamping support plate (16) is fixedly connected with the upper side of the conveying belt (1). The clamping motor (17) is fixedly arranged on the upper side of the clamping support plate (16). The output end of the clamping motor (17) is fixedly connected with the clamping telescopic rod (18), and the output end of the clamping motor (17) faces the side of the aluminum material to be processed. The limiting assembly is arranged on the rear side of the film printing assembly. The limiting assembly comprises a left limiting assembly and a right limiting assembly. The left limiting assembly and the right limiting assembly are symmetrically arranged on both sides of the conveying belt (1). The left limiting assembly comprises a left guide rail, a left sliding block and a left limiting rod. The left guide rail is arranged on the left side of the conveying belt (1). The left sliding block is slidingly connected with the left guide rail. The left limiting rod is rotatably connected with the left sliding block. The left limiting rod can rotate around the connection position between the left limiting rod and the left sliding block as the rotation center within the range of 0-90°. The adjusting assembly is arranged on the front side of the film printing assembly. The adjusting assembly comprises a left adjusting assembly and a right adjusting assembly. The left adjusting assembly and the right adjusting assembly are symmetrically arranged on both sides of the conveying belt (1). The left adjusting assembly comprises a left adjusting plate (29), a left adjusting guide rail (30) and a left adjusting block (31). The left adjusting guide rail (30) is arranged on the left side of the conveying belt (1). The left adjusting block (31) is slidingly connected with the left adjusting guide rail (30). The left adjusting plate (29) is rotatably connected with the left adjusting block (31). The left adjusting plate (29) can rotate around the connection position between the left adjusting plate (29) and the left adjusting block (31) as the rotation center within the range of 0-90°. The right limiting assembly of the limiting assembly comprises a right guide rail, a right sliding block and a right limiting rod. The right guide rail is arranged on the right side of the conveying belt (1). The right sliding block is slidingly connected with the right guide rail. The right limiting rod is rotatably connected with the right sliding block. The right limiting rod can rotate around the connection position between the right limiting rod and the right sliding block as the rotation center within the range of 0-90°. When the left limiting rod and the right limiting rod of the limiting assembly close to the transfer assembly are in the initial position, the left limiting rod is tightly attached to the inner side of the left guide rail, and the right limiting rod is tightly attached to the inner side of the right guide rail. The right adjusting assembly of the adjusting assembly comprises a right adjusting plate (26), a right adjusting guide rail (27) and a right adjusting block (28). The right adjusting guide rail (27) is arranged on the right side of the conveying belt (1). The right adjusting block (28) is slidingly connected with the right adjusting guide rail (27). The right adjusting plate (26) is rotatably connected with the right adjusting block (28). The right adjusting plate (26) can rotate around the connection position between the right adjusting plate (26) and the right adjusting block (28) as the rotation center within the range of 0-90°.

2. The high-precision heat transfer printing device for aluminum profile machining according to claim 1, characterized in that: A heat transfer film is arranged between the unwinding shaft (3) and the winding shaft (4); the unwinding shaft (3) is used for unwinding the heat transfer film; and the winding shaft (4) is used for winding the heat transfer film.

3. The high-precision heat transfer printing device for aluminum profile machining according to claim 1, characterized in that: The moving assembly comprises a heat transfer support (2), an adjusting sliding block (11), an adjusting screw rod (12), an adjusting guide rod (13), an adjusting support plate (14) and an adjusting motor (15); the heat transfer support (2) is fixedly arranged on the upper side of the conveying belt (1) and connected to the left and right sides of the conveying belt (1) at the lower end; the adjusting support plate (14) is symmetrically arranged below the top wall of the heat transfer support (2) at both ends, the adjusting sliding block (11) is arranged between the adjusting support plates (14), and the adjusting sliding block (11) is slidably connected with the adjusting screw rod (12) and the adjusting guide rod (13); the adjusting guide rod (13) is arranged between the adjusting support plates (14) and above the adjusting screw rod (12); the adjusting motor (15) is arranged on the side of the adjusting support plate (14) away from the adjusting screw rod (12), and the output end of the adjusting motor (15) is connected with the adjusting screw rod (12) through the adjusting support plate (14).

4. The high-precision heat transfer printing device for aluminum profile machining according to claim 3, characterized in that: The film printing assembly comprises a hydraulic rod (5), a support plate (6), a transfer heating shell (7), a heat transfer roller (8) and a high-temperature heating layer (9); the hydraulic rod (5) is arranged below the top wall of the heat transfer support (2), and the upper end of the hydraulic rod (5) is fixedly connected with the lower end of the adjusting sliding block (11); the upper side of the support plate (6) is fixedly connected with the lower end of the hydraulic rod (5); the transfer heating shell (7) is arranged below the center of the support plate (6), and the cross section of the transfer heating shell (7) is arranged in the shape of a circular arc with an open lower end; the heat transfer roller (8) is arranged in the transfer heating shell (7), and the high-temperature heating layer (9) is arranged on the inner wall of the transfer heating shell (7) and above the heat transfer roller (8).

5. The high-precision heat transfer printing device for aluminum profile machining according to claim 4, characterized in that: The film printing assembly further comprises a flattening shaft (10); the flattening shaft (10) is symmetrically arranged on the lower side of the support plate (6) and on both sides of the heat transfer roller (8).

6. The high-precision heat transfer printing device for aluminum profile machining according to claim 1, characterized in that: The clamping support plate (16) of the clamping assembly is provided with positioning holes at four ends for fixedly connecting the clamping support plate (16) and the conveying belt (1).

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