Multi-layer heat sublimation transfer printing equipment based on dynamic temperature control adjustment

Abstract

The invention discloses a multi-layer thermal dye sublimation transfer printing device based on dynamic temperature control adjustment, and aims to improve the structure of a hot pressboard in the thermal dye sublimation transfer printing device. The hot pressboard is composed of a plurality of independent temperature boxes, and an electric heating pole piece is used as a heating source in each independent temperature box; however, the difference is that only the area, corresponding to the heating part, in the electric heating pole piece serves as a heating source, but the electric heating pole piece can be freely wound to change the area of the heating part, and in addition, the interior of the independent temperature box is divided into a temperature rising bin and a heat dissipation bin through a heat insulation separation sleeve. Therefore, in cooperation with the arrangement mode of the independent temperature boxes and the rolling mode of the electric heating pole pieces, the whole hot pressing plate can be divided into a plurality of heating areas with different temperature values in the transverse direction and the longitudinal direction, and on this basis, the hot pressing temperature environment of the hot pressing plate is changed by monitoring the temperature change in the temperature rising bin and the heat dissipation bin in each independent temperature box in real time; and the hot pressing temperature requirements of different patterns are met.

Description

Technical Field

[0001] The present invention relates to the technical field of thermal sublimation transfer, and particularly to a multi-layer thermal sublimation transfer device based on dynamic temperature control regulation. Background Art

[0002] The principle of thermal sublimation transfer is to form a liquid-gas two-phase conversion process in an environment of temperature / pressure change. For relevant content, reference can be made to CN112477393A and CN109910486A. In the specific operation process, higher requirements for temperature are needed. First, it is necessary to ensure that the thermal transfer paper is completely adhered to the target medium. Secondly, it is also necessary to ensure that the heating temperature is relatively balanced (not exceeding the temperature).

[0003] Regarding the description of the transferred pattern, on the one hand, it is necessary to ensure that the dye is fully vaporized. Secondly, it is also necessary to avoid too high temperature affecting the target medium. However, when the transferred pattern is relatively complex, instantaneous temperature adjustment needs to be carried out according to the light and dark areas of the pattern. For example, the temperature needs to be reduced in the light area, and the temperature needs to be increased in the dark area. High temperature will affect the coloring effect in the light area. If the pattern is split into several patterns according to the light and dark areas and transferred one by one, the process is very complex and the working hours are long. For this, the present invention proposes a solution. Summary of the Invention

[0004] The purpose of the present invention is to provide a multi-layer thermal sublimation transfer device based on dynamic temperature control regulation. For the operation process of the thermal sublimation transfer device, because there are differences in the color depth of the transferred pattern, higher requirements for temperature are needed. During a single transfer process, the high-temperature environment required for the pattern in the dark area will affect the coloring effect in the light area.

[0005] The purpose of the present invention can be achieved by the following technical solutions: A multi-layer thermal sublimation transfer device based on dynamic temperature control regulation includes a hot pressing plate and a placement table arranged from top to bottom. The hot pressing plate is composed of a plurality of independent temperature boxes and a temperature control assembly. The independent temperature boxes are linearly equidistantly arranged horizontally, and heat insulation partition sleeves are installed in the independent temperature boxes. An heating chamber and a heat dissipation chamber are formed inside the independent temperature box through the heat insulation partition sleeve; Inside the independent temperature box, there are electric heating pole pieces, upper winding wheels, lower winding wheels and reversing winding wheels. The length area of the electric heating pole piece corresponding to the inside of the heating chamber is set as the heating part.

[0006] It is further set that: The temperature control assembly includes a cooling fan, a power switch and a temperature sensing structure. A wind pipe corresponding to the cooling fan is installed at the external position of the independent temperature box corresponding to the heat dissipation chamber, and an air port is opened on the upper outer wall position of the independent temperature box corresponding to the heat dissipation chamber.

[0007] Further set as: an energizing base corresponding to the power switch is installed at the internal position of the independent temperature box, and the energizing base is arranged at both ends of the heat generating part corresponding to the electrothermal pole piece.

[0008] Further set as: a sliding opening corresponding to the electrothermal pole piece is opened in the heat insulation partition sleeve, the electrothermal pole piece passes through the middle position of the energizing base, and a plurality of conductive sliding beads are arranged at the middle position of the energizing base.

[0009] Further set as: the upper winding wheel, the lower winding wheel and the reversing winding wheel are arranged along the width direction of the independent temperature box and are rotatably connected to the independent temperature box, and the upper winding wheel, the lower winding wheel and the reversing winding wheel are arranged at three points. The reversing winding wheel is located inside the temperature rising bin, the upper winding wheel and the lower winding wheel are located inside the heat dissipation bin, and both ends of the electrothermal pole piece are arranged in the upper winding wheel and the lower winding wheel and pass through the reversing winding wheel.

[0010] Further set as: a driving motor is installed inside the heat dissipation bin, and a gear assembly corresponding to the upper winding wheel and the lower winding wheel is arranged at the output shaft position of the driving motor.

[0011] Further set as: a pressing roller is rotatably installed at the internal position of the independent temperature box corresponding to the temperature rising bin. The setting direction of the pressing roller is parallel to the width direction of the independent temperature box, and the pressing rollers are linearly arranged at equal intervals along the length direction of the independent temperature box.

[0012] Further set as: the pressing roller is tangent to the upper side position of the electrothermal pole piece corresponding to the heat generating part, and the upper side position of the electrothermal pole piece corresponding to the heat generating part is in contact with the bottom surface of the inner wall of the independent temperature box.

[0013] Further set as: the temperature sensing structure is used to perform temperature monitoring actions on the temperature rising bin and the heat dissipation bin in the independent temperature box.

[0014] The present invention has the following beneficial effects: 1. In the present invention, the structure of the hot press plate in the thermal sublimation transfer device is mainly optimized. Different from the conventional hot press plate structure, the overall hot press plate is formed by combining a plurality of independent temperature boxes. The ambient temperatures inside each independent temperature box do not interfere with each other. And in each independent temperature box, the electrothermal pole piece is used as the heat source structure. Its essence is: a closed-loop circuit is formed between the energizing base and the local position of the electrothermal pole piece, so that the heat generating part in the overall electrothermal pole piece is used as the heat generating area, and the heat is transferred to the lower surface position of the hot press plate by indirect heat transfer. However, in this process, the energized heat conduction area of the electrothermal pole piece is changed under the combined action of the upper winding wheel and the lower winding wheel. On the basis of adjusting the temperature by changing the energized current value of the electrothermal pole piece, this method can also be further used to adjust the temperature of the independent temperature box; 2. As described above, the overall hot press plate forms temperature environments with different values in the transverse direction through independent temperature boxes. However, through the winding process of the electric heating pole pieces, the overall hot press plate further forms temperature environments with different values in the longitudinal direction. It can be directly understood that: the overall hot press plate divides into several independent temperature environments along the horizontal and vertical axes. Based on this, a ventilation and heat dissipation process is provided for the heat dissipation chamber, and in cooperation with the temperature adjustment in the temperature rise chamber, a temperature environment adapted to different patterns can be formed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 is a schematic structural diagram of a multi-layer heat sublimation transfer printing device based on dynamic temperature control regulation proposed by the present invention; Figure 2 is a top-down sectional view of the hot press plate in the multi-layer heat sublimation transfer printing device based on dynamic temperature control regulation proposed by the present invention; Figure 3 is a side sectional view of the hot press plate in the multi-layer heat sublimation transfer printing device based on dynamic temperature control regulation proposed by the present invention; Figure 4 is a sectional view of the independent temperature box in the multi-layer heat sublimation transfer printing device based on dynamic temperature control regulation proposed by the present invention; Figure 5 in the multi-layer heat sublimation transfer printing device based on dynamic temperature control regulation proposed by the present invention Figure 4 side view; Figure 6 is a winding schematic diagram of the electric heating pole pieces in the multi-layer heat sublimation transfer printing device based on dynamic temperature control regulation proposed by the present invention.

[0017] In the figure: 1. placement table; 2. hot press plate; 201. temperature rise chamber; 202. heat dissipation chamber; 3. temperature control assembly; 4. upper winding roller; 5. energized base; 6. reversing winding roller; 7. lower winding roller; 8. drive motor; 9. electric heating pole piece; 901. heating part; 10. gear assembly; 11. heat insulation partition sleeve; 12. pressing roller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0019] Embodiment 1: For the operation process of the thermal sublimation transfer device, because there are differences in the color depth of the transferred patterns, the temperature requirements are higher. During a single transfer process, the high-temperature environment required for the patterns in the dark areas will affect the coloring effect in the light areas. For this, a solution is proposed: Referring to Figures 1 - 6 , the multi-layer thermal sublimation transfer device based on dynamic temperature control adjustment in this embodiment includes a hot pressing plate 2 and a placement table 1 arranged from top to bottom. The hot pressing plate 2 is composed of a plurality of independent temperature boxes and a temperature control assembly 3. The independent temperature boxes are linearly equidistantly arranged horizontally, and a heat insulation partition sleeve 11 is installed in the independent temperature boxes. An heating chamber 201 and a heat dissipation chamber 202 are formed inside the independent temperature box through the heat insulation partition sleeve 11; Inside the independent temperature box, there are electric heating pole pieces 9, an upper film roller 4, a lower film roller 7, and a reversing film roller 6. The length area of the electric heating pole piece 9 corresponding to the inside of the heating chamber 201 is set as the heating part 901. The temperature control assembly 3 includes a cooling fan, a power switch, and a temperature sensing structure. A wind pipe corresponding to the cooling fan is installed at the external position of the independent temperature box corresponding to the heat dissipation chamber 202, and an air port is opened at the upper outer wall position of the independent temperature box corresponding to the heat dissipation chamber 202. An energizing base 5 corresponding to the power switch is installed at the internal position of the independent temperature box, and the energizing base 5 is arranged at both ends of the electric heating pole piece 9 corresponding to the heating part 901.

[0020] Basic principle: In combination with Figure 1 the basic principle of the thermal sublimation transfer device is described as follows: The substrate is laid flat on the placement table 1, and then the transfer paper with patterns is laid flat on the substrate. The hot pressing plate 2 is used to make the transfer paper and the substrate fully contact. In this process, the basic element of thermal sublimation transfer is the temperature change. Under the corresponding temperature environment, using the characteristic that solid dyes directly transform into gas without passing through the liquid state at high temperature, the dye molecules are made to penetrate and solidify on the surface of the printing substrate through heating and pressing. By precisely adjusting the temperature of the heating element (usually about 200 °C), the sublimation rate and penetration depth of the dye can be controlled; Combined with this and Figure 2 and Figure 3 it is described that the heat source structure in the present invention is the electric heating pole piece 9. When the electric heating pole piece 9 is energized by the energizing base 5, the electric heating pole piece 9 generates heat. The heating temperature of the electric heating pole piece 9 is proportional to the value of the energizing current. This part will not be elaborated, and the heat generated by the electric heating pole piece 9 is mainly directly transferred through the lower side position of the hot pressing plate 1; while combined with Figure 2 For illustration, the overall hot press plate is composed of multiple independent temperature boxes arranged in sequence along the transverse direction. Different ambient temperatures can be generated by controlling the energized current values of the electrothermal pole pieces 9 in each independent temperature box. Thus, it can be directly understood that different ambient temperatures are formed along the transverse direction in the overall hot press plate. During the heat sublimation transfer process, the temperature on the lower surface of the hot press plate 1 is not completely uniform, but shows temperature values that meet the requirements of different pattern transfers. Example 2: Supplementary description is made for the heating and heat dissipation processes in each independent temperature box: A sliding opening corresponding to the electrothermal pole piece 9 is provided in the heat insulation partition sleeve 11. The electrothermal pole piece 9 passes through the middle position of the energized base 5. A plurality of conductive sliding beads are provided at the middle position of the energized base 5. The upper winding wheel 4, the lower winding wheel 7, and the reversing winding wheel 6 are arranged along the width direction of the independent temperature box and are rotatably connected to the independent temperature box. Moreover, the upper winding wheel 4, the lower winding wheel 7, and the reversing winding wheel 6 are arranged at three points. The reversing winding wheel 6 is located inside the heating chamber 201, and the upper winding wheel 4 and the lower winding wheel 7 are located inside the heat dissipation chamber 202. The two ends of the electrothermal pole piece 9 are arranged in the upper winding wheel 4 and the lower winding wheel 7 and pass through the reversing winding wheel 6; A driving motor 8 is installed inside the heat dissipation chamber 202. A gear assembly 10 corresponding to the upper winding wheel 4 and the lower winding wheel 7 is provided at the output shaft position of the driving motor 8. A pressing roller 12 is rotatably installed at the internal position of the independent temperature box corresponding to the heating chamber 201. The setting direction of the pressing roller 12 is parallel to the width direction of the independent temperature box, and the pressing roller 12 is linearly equidistantly arranged along the length direction of the independent temperature box. The pressing roller 12 is tangent to the upper side position of the electrothermal pole piece 9 of the corresponding heating part 901, and the upper side position of the electrothermal pole piece 9 of the corresponding heating part 901 is in contact with the bottom surface of the inner wall of the independent temperature box.

[0021] Scheme description: Specifically combined with Figure 3 For illustration: The electrothermal pole piece 9 mainly generates heat inside the overall independent temperature box. The key lies in the setting positions of the two groups of energized bases 5. Although the overall length of the electrothermal pole piece 9 is relatively long, only the area between the two groups of energized bases 5 is in the energized heating state. Therefore, a heat insulation partition sleeve 11 is added according to the setting position of the heating part 901, thereby dividing the inside of the independent temperature box into a heating chamber 201 and a heat dissipation chamber 202, and the following description is made: S1: Description is made for the winding method of the electrothermal pole piece 9: Taking Figure 3For example, both ends of the electrothermal pole piece 9 are respectively fixed on the upper winding wheel 4 and the lower winding wheel 7, and the electrothermal pole piece 9 is also wound around the commutation winding wheel 6. Assuming that the upper winding wheel 4 is in the wire releasing state, then the lower winding wheel 7 needs to maintain the wire winding state to ensure that the electrothermal pole piece 9 is wound clockwise on the commutation winding wheel 6. In this process, the heating process of the heating part 902 is changed. However, it should be further noted that since the installation positions of the two groups of energized bases 5 do not change, the energized heating distance of the electrothermal pole piece 9 does not change. The change in the heating temperature of the electrothermal pole piece 9 is specifically proportional to the magnitude of the energizing current value for the electrothermal pole piece 9, and the following content is further broken down: S1-1: A brief description of the gear assembly 10 is as follows: Taking Figure 3 as Figure 5 an example, essentially only the upper winding wheel 4 and the lower winding wheel 7 need to be maintained in rotation, and it is ensured that they are respectively in the wire releasing or wire winding state. If the upper winding wheel 4 rotates clockwise to release wire, then the lower winding wheel 7 also needs to rotate clockwise to wind wire. In this regard, the gear assembly 10 essentially consists of a driving gear installed on the driving motor 8 and driven gears installed on the upper winding wheel 4 and the lower winding wheel 7. The driving gear meshes with the two driven gears, but the two driven gears do not mesh. Taking Figure 3 as an example, if the driving gear rotates counterclockwise, then the driven gears on the upper winding wheel 4 and the lower winding wheel 7 both maintain clockwise rotation; or the fixed positions of the electrothermal pole piece 9 on the upper winding wheel 4 and the lower winding wheel 7 can also be changed to change the wire winding / wire releasing process, and the overall process will not be elaborated much; S2: Based on S1, when the position of the overall heating part 901 changes, and the length of the heating part 901 relative to the overall electrothermal pole piece 9 is a fixed value L1, such as when the electrothermal pole piece 9 is wound counterclockwise by a part of L2, then there is a problem of insufficient heat supply capacity in the heating part 901 located in the heating chamber 201. Essentially: After adjusting the heating part 901, the part of "L1 - L2" in the heating part 901 retains the temperature, while the "L2" part corresponding to the left side position is "lifted" from the heat dissipation chamber 202 to the heating chamber 201, and the "L2" part corresponding to the right side position enters the heat dissipation chamber 202. Therefore, the temperature of this part is much lower than the ambient temperature in the heating chamber 201, and only after continuous power-on will the temperature of this part slowly recover; S2-1: Supplementary description based on the above content. The ambient temperature in the heating chamber 201 can be changed through the winding process of the electrothermal pole piece 9. When the electrothermal pole piece 9 continues to be wound, multiple groups of pressing rollers 12 are further added. Since the overall hot pressing plate depends on the heat transfer process of the electrothermal pole piece 9, it is necessary to ensure that the electrothermal pole piece 9 at the heating part 901 always adheres to the inner wall bottom position of the independent temperature box to ensure full heat transfer; S2-2: Reference Figure 6 A brief description of the energized base 5 is as follows: Since the energized base 5 serves as the conductive structure of the electrothermal pole piece, it is necessary to ensure that the energized base 5 and the electrothermal pole piece always maintain good contact, but it cannot interfere with the winding process of the electrothermal pole piece 9. Therefore, sliding beads with conductive ability are added at the middle position of the energized base 5 to facilitate the cooling of the electrothermal pole piece 9 transferred to the heat dissipation chamber 202. An air duct is added to the heat dissipation chamber 202, and the ambient temperature in the heat dissipation chamber 202 can be quickly reduced by the heat dissipation fan of the temperature control assembly.

[0022] Example 3: Combining Example 1 and Example 2 to supplement the description of the overall temperature control process: The temperature sensing structure is used to monitor the temperature of the heating chamber 201 and the heat dissipation chamber 202 in the independent temperature box.

[0023] Scheme description: As shown in Example 1 and Example 2, the overall hot pressing plate 2 first forms a longitudinal temperature region through the setting position of the independent temperature box, and reference is made to Figure 2 For illustration, each independent temperature box can be numbered i in the direction from left to right, and the temperature sensing structure is mainly used to monitor the temperature changes in the heating chamber 201 and the heat dissipation chamber 202 in real time. Specifically, the ambient temperature values in the heating chamber 201 and the heat dissipation chamber 202 are represented by TSi and TJi respectively; However, as shown in Example 2, since the heating process of each heating chamber 201 depends on the electrothermal pole piece 9, but when a part of the electrothermal pole piece 9 that has not been energized and heated continuously is transferred to the heating chamber 201, due to the reduction of the heat source, several temperature regions will also be formed along the horizontal axis inside the heating chamber 201 of each independent temperature box. Specifically, it is manifested as: Combined with Figure 2 and Figure 3 , if the length of the continuously energized heating region of the heating part 902 is L1, and considering the heat transfer process between the electrothermal pole piece 9 and the hot pressing plate 2, L1 is mainly used to represent the horizontal distance between the commutation winding wheel 6 and one of the energized bases 5 close to the lower winding wheel 7. In this process, if the energized current value of the electrothermal pole piece 9 is constant, there is only one temperature environment inside the independent greenhouse. However, when the electrothermal pole piece 9 is wound by L2, there are two temperature environments inside the heating chamber 201. And because the heat source temperature is insufficient, TSi shows a downward trend, but when controlling the energized current value, TSi will slowly recover and even further increase. On the contrary, TJi shows a small upward trend, and the temperature can be reduced by the heat dissipation fan. In this way, the ambient temperature in each independent temperature box can be further controlled. Regarding the description of relevant parameters, such as the winding speed, winding length, and energized current value of the electrothermal pole piece 9, as well as the operating power of the cooling fan, specific editing needs to be combined with the contour of the transfer pattern and will not be elaborated in this invention.

[0024] In summary: For the structural improvement of the hot pressing plate in the thermal sublimation transfer device, the hot pressing plate in this invention is composed of multiple independent temperature boxes. Each independent temperature box uses an electrothermal pole piece as the heat source. However, the difference is that only the area corresponding to the heating part in the electrothermal pole piece serves as the heat source, but the electrothermal pole piece can be freely wound to change the heating part area. In addition, the inside of the independent temperature box is separated into a heating chamber and a cooling chamber by a heat insulation partition sleeve. Thus, in combination with the setting method of the independent temperature box and the winding method of the electrothermal pole piece, the overall hot pressing plate can be divided into multiple heating areas with different temperature values along the horizontal and vertical directions. Based on this, by real-time monitoring the temperature changes in the heating chamber and the cooling chamber of each independent temperature box, the hot pressing temperature environment of the hot pressing plate can be changed to adapt to the hot pressing temperature requirements of different patterns.

[0025] The above content is only an example and description of the structure of this invention. Those skilled in the art of this technology can make various modifications or supplements to the described specific embodiments or use similar methods for substitution. As long as they do not deviate from the structure of the invention or exceed the scope defined by this claim book, they should fall within the protection scope of this invention.

Claims

1. A multi-layer thermal sublimation transfer device based on dynamic temperature control regulation, comprising a hot pressing plate (2) and a placement table (1) arranged from top to bottom, characterized in that, The hot pressing plate (2) is composed of a plurality of independent temperature boxes and a temperature control assembly (3). The independent temperature boxes are arranged linearly and equidistantly in the transverse direction, and a heat insulation partition sleeve (11) is installed in the independent temperature box. An heating chamber (201) and a heat dissipation chamber (202) are formed inside the independent temperature box through the heat insulation partition sleeve (11). An electric heating pole piece (9), an upper winding wheel (4), a lower winding wheel (7) and a commutation winding wheel (6) are arranged inside the independent temperature box. The length area of the electric heating pole piece (9) corresponding to the inside of the heating chamber (201) is set as a heating part (901).

2. The multi-layer thermal sublimation transfer device based on dynamic temperature control regulation according to claim 1, wherein The temperature control assembly (3) includes a heat dissipation fan, a power switch and a temperature sensing structure. An air duct corresponding to the heat dissipation fan is installed at the external position of the independent temperature box corresponding to the heat dissipation chamber (202), and an air port is opened at the upper outer wall position of the independent temperature box corresponding to the heat dissipation chamber (202).

3. The multi-layer thermal sublimation transfer device based on dynamic temperature control regulation according to claim 2, wherein, An energizing base (5) corresponding to the power switch is installed inside the independent temperature box. The energizing base (5) is arranged at both ends of the electric heating pole piece (9) corresponding to the heating part (901).

4. The multi-layer thermal sublimation transfer device based on dynamic temperature control regulation according to claim 3, wherein, A sliding port corresponding to the electric heating pole piece (9) is opened in the heat insulation partition sleeve (11). The electric heating pole piece (9) passes through the middle position of the energizing base (5), and a plurality of conductive sliding beads are arranged at the middle position of the energizing base (5).

5. The multi-layer thermal sublimation transfer device based on dynamic temperature control regulation according to claim 1, wherein, The upper winding wheel (4), the lower winding wheel (7) and the commutation winding wheel (6) are arranged along the width direction of the independent temperature box and are rotatably connected to the independent temperature box. The upper winding wheel (4), the lower winding wheel (7) and the commutation winding wheel (6) are arranged at three points. The commutation winding wheel (6) is located inside the heating chamber (201), and the upper winding wheel (4) and the lower winding wheel (7) are located inside the heat dissipation chamber (202). Both ends of the electric heating pole piece (9) are arranged in the upper winding wheel (4) and the lower winding wheel (7) and pass through the commutation winding wheel (6).

6. The multi-layer thermal sublimation transfer device based on dynamic temperature control regulation according to claim 5, wherein, A driving motor (8) is installed inside the heat dissipation chamber (202), and a gear assembly (10) corresponding to the upper winding wheel (4) and the lower winding wheel (7) is arranged on the output shaft of the driving motor (8).

7. The multi-layer thermal sublimation transfer device based on dynamic temperature control regulation according to claim 1, wherein, A pressing roller (12) is rotatably installed at the internal position of the independent temperature box corresponding to the heating chamber (201). The setting direction of the pressing roller (12) is parallel to the width direction of the independent temperature box, and the pressing roller (12) is arranged linearly and equidistantly along the length direction of the independent temperature box.

8. The multi-layer thermal sublimation transfer device based on dynamic temperature control regulation according to claim 7, characterized in that The pressing roller (12) is tangent to the upper side position of the electric heating pole piece (9) corresponding to the heating part (901), and the upper side position of the electric heating pole piece (9) corresponding to the heating part (901) is in contact with the bottom surface of the inner wall of the independent temperature box.

9. The multi-layer thermal sublimation transfer device based on dynamic temperature control regulation according to claim 2, wherein, The temperature sensing structure is used to perform temperature monitoring actions on the heating chamber (201) and the heat dissipation chamber (202) in the independent temperature box.

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