Spot ironing mechanism, heating module and heating device

Abstract

The utility model discloses a spot ironing mechanism, a heating module and a heating device. The spot ironing mechanism comprises a mounting seat, a heating assembly and a pressing assembly, the heating assembly and the pressing assembly are both mounted on the mounting base, and the mounting base is used for driving the heating assembly and the pressing assembly to ascend and descend so as to be close to or away from a film strip. The heating assembly is used for conducting contact heating on the film strip so that the film strip can release viscosity. The pressing assembly is at least used for pressing the film strip when the heating assembly is away from the film strip. Through the arrangement of the pressing assembly, the reflective film strip can be pressed and fixed on the back plate of the photovoltaic module at least when the heating assembly is separated from the reflective film strip, so that the probability that the reflective film strip is pulled off from the back plate by the heating assembly in the process that the heating assembly is separated from the reflective film strip can be reduced, and the bonding effect of the reflective film strip is ensured.

Description

Technical Field

[0001] The present application relates to the technical field of photovoltaic module production equipment, and in particular to a heating mechanism, a heating module and a heating device. Background Art

[0002] In order to increase the area of sunlight irradiating photovoltaic modules and improve the photoelectric conversion rate, many manufacturers have begun to install reflective film strips on the back panels of photovoltaic modules. The reflective film strips can effectively reflect the sunlight that passes through the gaps between the cells and the gaps between the cell strings onto the cells, thereby making full use of the sunlight irradiating the photovoltaic modules and improving the photoelectric conversion rate.

[0003] Currently, when fixing the reflective film strips on the back panel of the photovoltaic module, the reflective film strips on the back panel can be heated by the heating structure on the hot-point mechanism to release the stickiness and adhere to the back panel. However, after being heated, the reflective film strips are also easily adhered to the heating structure, which causes the heating structure to pull the reflective film strips originally adhered to the back panel away from the back panel when leaving the reflective film strips, thereby causing the reflective film strips adhered to the back panel to loosen the connection with the back panel or even directly detach from the back panel, which greatly affects the bonding effect of the reflective film strips. Utility Model Content

[0004] This application aims to solve at least one of the technical problems existing in the prior art. To this end, this application proposes a hot point mechanism, a heating module, and a heating device, the technical solutions of which are as follows:

[0005] In a first aspect, the present application provides a hot point mechanism, which includes: a mounting base, a heating component, and a pressing component;

[0006] The heating component and the pressing component are both installed on the mounting base, which is used to drive the heating component and the pressing component to move up and down to move closer to or away from the membrane strip;

[0007] The heating component is used to perform contact heating on the film strip to release the stickiness of the film strip;

[0008] The pressing assembly is at least used to press the film strip when the heating assembly is away from the film strip.

[0009] The hot-pressing mechanism of the present application is not only provided with a heating component for heating the film strip on the mounting seat, but also with a pressing component. The pressing component is used to press the film strip when the heating component is away from the film strip, which can reduce the probability of the heating component pulling the reflective film strip off the back panel when the heating component is separated from the reflective film strip, thereby ensuring the bonding effect of the reflective film strip.

[0010] Optionally, the pressing assembly includes an elastic member and a pressing block. The elastic member can be elastically deformed in the vertical direction. The pressing block is connected to the mounting seat through the elastic member. The bottom of the pressing block forms a pressing surface for pressing the membrane strip. When the elastic member is in a natural state, the pressing surface is lower than the heating assembly.

[0011] Based on the above-mentioned clamping assembly, the elastic deformation of the elastic part can ensure that when the heating end of the heating assembly contacts the membrane strip and when the heating end just moves away from the membrane strip, the pressing block can always stably press the membrane strip onto the back plate, thereby preventing the membrane strip from detaching from the back plate due to adhesion of the heated end.

[0012] Optionally, the pressing assembly includes a pressing block, which is elastic and can be elastically deformed in the vertical direction. The pressing block is fixedly mounted on the mounting seat, and the bottom of the pressing block forms a pressing surface for pressing the membrane strip. When the pressing block is in a natural state, the pressing surface is lower than the heating assembly.

[0013] Based on the above-mentioned clamping assembly, the elastic deformation of the clamping block itself in the vertical direction can ensure that when the heating end of the heating assembly contacts the membrane strip and when the heating end just moves away from the membrane strip, the clamping surface at the bottom of the clamping block can always stably press the membrane strip onto the back plate, thereby preventing the membrane strip from detaching from the back plate due to adhesion of the heated end.

[0014] Optionally, the pressing block is provided with a through hole for avoiding the heating component, and the heating component is used to pass through the through hole to heat the film strip;

[0015] or,

[0016] At least two pressing blocks are provided, and the pressing blocks are arranged at intervals along the circumference of the heating component. An escape space for avoiding the heating component is formed between the pressing blocks, and the heating component is used to heat the film strip through the escape space.

[0017] By providing through holes on the pressing blocks or arranging at least two pressing blocks according to the above-mentioned design, it is possible to achieve the effect of uniformly applying a pressing force to the film strips around the heating assembly.

[0018] Optionally, the hot point mechanism further includes a heat insulation block, and the heating component is mounted on the mounting seat via the heat insulation block.

[0019] Based on the above-mentioned insulation block, the heat transfer efficiency between the heating component and the mounting base can be effectively reduced, thereby preventing the heat generated by the heating component from causing adverse effects on the mounting base. For example, the high temperature generated by the heating component may cause deformation of the mounting base. Through the setting of the insulation block, the mounting base can also be made of heat-resistant materials, thereby reducing overall costs.

[0020] Optionally, the heat insulation block is arranged above the heating component and connected to the mounting base; or, the heat insulation block is wrapped around the outside of the heating component and connected to the mounting base;

[0021] The surface temperature of the insulation block is less than or equal to 70°C.

[0022] Based on the above-mentioned setting method of the insulation block, when the heating component needs to be replaced, the insulation block can be directly operated. The insulation block can be removed from the mounting base to complete the disassembly of the heating component. When the insulation block is wrapped around the outside of the heating component (the heating end of the heating component extends from the bottom of the insulation block to the outside of the insulation block), the worker who replaces the heating component can be further protected. There is no need to wait for the heating component to cool down or cool down completely. The heating component can be replaced by operating the insulation block with a lower temperature than the heating component.

[0023] Optionally, the heating assembly includes a heating block, a hot spot head and a heating rod; the hot spot head is installed on the heating block, the heating rod is installed inside the heating block and is used to heat the heating block, the heating block is used to heat the hot spot head, and the hot spot head is used to heat the film strip.

[0024] Based on the above-mentioned heating component, the heating block can be made of high thermal conductivity material, which can quickly transfer the high temperature generated by the heating rod to the hot iron head to improve the heating efficiency of the hot iron head. This setting can decompose the interior of the heating component into multiple structures to form a modular structure, so that the heating block, hot iron head and heating rod are made of different materials and assembled to form a complete heating component, thereby reducing the overall cost.

[0025] Optionally, the hot point mechanism further includes a temperature sensor, which is arranged on the heating block at an interval from the heating rod, and is used to monitor the temperature of the heating block.

[0026] Based on the above-mentioned temperature sensor, the temperature sensor can specifically be a thermocouple, which can be electrically connected to the PLC and monitor the temperature of the heating block in real time. When it is detected that the temperature of the heating block is too high, the heating rod can be controlled to be powered off or the power-on parameters on the heating rod can be adjusted to lower the temperature of the heating block. When it is detected that the temperature of the heating block is too low, the heating rod can be controlled to be powered on or the power-on parameters on the heating rod can be adjusted to increase the temperature of the heating block, thereby ensuring that the ironing head always heats the film strip within a predetermined temperature range, thereby ensuring the bonding effect of the film strip.

[0027] In the second aspect, the present application provides a heating module, which includes a connecting frame, a lifting drive mechanism and at least two hot-spot mechanisms as described above; at least two hot-spot mechanisms are arranged on the connecting frame at intervals along the first horizontal direction, and the lifting drive mechanism is used to drive the connecting frame to lift and lower to approach or move away from the film strip.

[0028] Based on the above-mentioned heating module, the film strip extending along the first horizontal direction can be heated simultaneously by at least two spot heating mechanisms located on a connecting frame, thereby achieving multi-point simultaneous heating of the film strip, thereby improving the efficiency of bonding the film strip on the back panel.

[0029] In a third aspect, the present application provides a heating device, which includes a track and at least two heating modules as described above, and a lifting drive mechanism is slidably arranged on the track along a second horizontal direction.

[0030] Based on the above heating device, by setting at least two heating modules on the track, it is possible to achieve simultaneous heating of at least two film strips arranged along the second horizontal direction, thereby improving the efficiency of bonding the film strips on the back panel.

[0031] Optionally, the heating device also includes a spacing component, which includes a driving unit and movers connected one-to-one with the lifting drive mechanism. Each mover is arranged on a track, and the driving unit is used to drive each mover to slide in the second horizontal direction so that any two adjacent connecting frames are spaced a set distance apart.

[0032] Based on the above-mentioned spacing component, all connecting frames can be moved along the second horizontal direction to achieve the same spacing distance between each two connecting frames. Then, the evenly arranged film strips are heated by the cooperation of the heating component and the clamping component to complete the connection between the film strips and the back panel of the photovoltaic component. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The disclosure of this application will be more easily understood with reference to the accompanying drawings. Those skilled in the art will readily appreciate that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this application. Furthermore, similar numbers in the figures represent similar components, where:

[0034] Figure 1 This is a schematic structural diagram of a heating device in one embodiment of the present application;

[0035] Figure 2 This is a structural diagram of a heating module in one embodiment of the present application (the lifting drive mechanism is not shown);

[0036] Figure 3 for Figure 2 Side view of;

[0037] Figure 4 for Figure 2 Front view of

[0038] Figure 5 This is a structural diagram of a hot point mechanism in one embodiment of the present application;

[0039] Figure 6 for Figure 5 Front view of

[0040] Figure 7 for Figure 5 Side view of;

[0041] Figure 8 for Figure 7 Cross-sectional view at AA in the middle.

[0042] Description of Reference Numerals

[0043] 10. Heating module; 11. Lifting drive mechanism; 12. Mounting seat; 13. Heating assembly; 131. Heating block; 132. Hot stamping head; 133. Heating rod; 134. Temperature sensor; 135. Insulation block; 14. Pressing assembly; 141. Elastic member; 142. Pressing block; 143. Through hole; 15. Material transfer assembly; 16. Connecting frame; 20. Heating device; 21. Track; 22. Spacing assembly; 221. Driving unit; 222. Mover. DETAILED DESCRIPTION

[0044] Some embodiments of the present application are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application and are not intended to limit the scope of protection of the present application.

[0045] Currently, when fixing the reflective film strips on the back panel of the photovoltaic module, the reflective film strips on the back panel can be heated by the heating structure on the hot-point mechanism to release the stickiness and adhere to the back panel. However, after being heated, the reflective film strips are also easily adhered to the heating structure, which causes the heating structure to pull the reflective film strips originally adhered to the back panel away from the back panel when leaving the reflective film strips, thereby causing the reflective film strips adhered to the back panel to loosen the connection with the back panel or even directly detach from the back panel, which greatly affects the bonding effect of the reflective film strips.

[0046] Based on this, the present application provides a spot heating mechanism that can reduce the probability of the heating component pulling the reflective film strip off the back panel during the process of the heating component detaching from the reflective film strip, thereby ensuring the bonding effect of the reflective film strip.

[0047] The present application will be described in detail below through specific embodiments.

[0048] First, refer to Figures 1 to 8As shown, this embodiment provides a hot point mechanism, which includes: a mounting base 12, a heating component 13 and a pressing component 14; the heating component 13 and the pressing component 14 are both mounted on the mounting base 12, and the mounting base 12 is used to drive the heating component 13 and the pressing component 14 to move up and down to approach or move away from the film strip. Specifically, the mounting base 12 can drive the heating component 13 and the pressing component 14 to move up and down by its own expansion and contraction in the vertical direction, or the mounting base 12 can be mounted on a driving mechanism that can move up and down in the vertical direction; the heating component 13 is used to perform contact heating on the film strip to release the viscosity of the film strip; the pressing component 14 is at least used to press the film strip when the heating component 13 is away from the film strip. Optionally, when the heating component 13 finishes heating the film strip, it starts to move away from the film strip and until it moves away from the film strip to a set distance, the pressing component 14 can always apply a pressing force to the film strip.

[0049] The hot point mechanism provided in this embodiment has not only a heating component 13 for heating the film strip, but also a pressing component 14 on the mounting seat 12. The pressing component 14 is used to press the film strip when the heating component 13 is away from the film strip, which can reduce the probability of the heating component 13 pulling the reflective film strip off the back panel when the heating component 13 is separated from the reflective film strip, thereby ensuring the bonding effect of the reflective film strip.

[0050] Continue to refer to Figures 5 to 8 As shown, in some embodiments, the pressing assembly 14 includes an elastic member 141 and a pressing block 142. The elastic member 141 can be elastically deformed in the vertical direction. The pressing block 142 is connected to the mounting seat 12 through the elastic member 141. The bottom of the pressing block 142 forms a pressing surface for pressing the film strip. When the elastic member 141 is in a natural state, the pressing surface is lower than the heating assembly 13.

[0051] The optional working process of the pressing assembly 14 in the above embodiment is as follows:

[0052] The mounting seat 12 drives the pressing component 14 and the heating component 13 to descend. Since the pressing surface of the elastic member 141 is lower than the heating component 13 when it is in a natural state, the pressing surface contacts the film strip first. As the mounting seat 12 continues to descend, the pressing block 142 presses the film strip while compressing the elastic member 141. After the elastic member 141 is compressed to a certain length, the heating end on the heating component 13 begins to contact the film strip and starts to heat the film strip. During the process of the heating end heating the film strip, the pressing block 142 always provides a pressing force on the film strip to improve the stability of the film strip during heating.

[0053] After the film strip is heated, the mounting seat 12 drives the pressing assembly 14 and the heating assembly 13 to rise, wherein the heating end of the heating assembly 13 leaves the film strip first, and the pressing block 142 can keep pressing the film strip under the action of the elastic member 141 until the elastic member 141 returns to its natural state, and the pressing block 142 is separated from the film strip. Therefore, even if the film strip is adhered to the heating end, the film strip will not be lifted up by the heating end when the heating end leaves the film strip, thereby ensuring the reliability of the connection between the film strip and the back panel.

[0054] Optionally, the elastic member 141 includes a guide post and a spring sleeved on the guide post, and the pressure block 142 is movably mounted on the mounting seat 12 via the guide post. The upper end of the spring abuts against the mounting seat 12, and the lower end abuts against the pressure block 142.

[0055] In other embodiments, the pressing assembly 14 includes a pressing block 142, which is elastic and can be elastically deformed in the vertical direction. The pressing block 142 is fixedly mounted on the mounting seat 12, and the bottom of the pressing block 142 forms a pressing surface for pressing the film strip. When the pressing block 142 is in a natural state, the pressing surface is lower than the heating assembly 13.

[0056] That is to say, the pressing block 142 can ensure, through its own elastic deformation or the elastic deformation of the elastic member 141, that when the heating end of the heating component 13 contacts the membrane strip and when the heating end just moves away from the membrane strip, the pressing block 142 can always stably press the membrane strip onto the back plate, thereby preventing the membrane strip from being separated from the back plate due to adhesion of the heated end.

[0057] In a further embodiment, one pressing block 142 is provided, and a through hole 143 is opened on the pressing block 142 for avoiding the heating component 13, and the heating component 13 is used to heat the film strip through the through hole 143; or, at least two pressing blocks 142 are provided, and the pressing blocks 142 are arranged at intervals along the circumference of the heating component 13, and an avoidance space for avoiding the heating component 13 is formed between the pressing blocks 142, and the heating component 13 is used to heat the film strip through the avoidance space.

[0058] By providing a through hole 143 on the pressing block 142 or arranging at least two pressing blocks 142 according to the above-mentioned design, it is possible to achieve the effect of uniformly applying a pressing force to the film strip around the heating component 13 .

[0059] Continue to refer to Figures 5 to 8As shown, in some embodiments, the hot mechanism further includes a heat insulating block 135, through which the heating assembly 13 is mounted on the mounting base 12. The heat insulating block 135 is specifically made of a heat-insulating material and can effectively reduce the heat transfer efficiency between the heating assembly 13 and the mounting base 12. The provision of the heat insulating block 135 can prevent the heat generated by the heating assembly 13 from adversely affecting the mounting base 12, such as the high temperature generated by the heating assembly 13 that may cause the mounting base 12 to deform. The provision of the heat insulating block 135 can also allow the mounting base 12 to be made of a heat-resistant material, thereby reducing overall costs.

[0060] Further, such as Figure 5 As shown, the thermal insulation block 135 is disposed above the heating assembly 13 and connected to the mounting base 12 ; alternatively, the thermal insulation block 135 is wrapped around the outside of the heating assembly 13 and connected to the mounting base 12 .

[0061] Optionally, the surface temperature of the insulation block 135 is less than or equal to 70°C. Specifically, the insulation block 135 can be made of a suitable heat-resistant material according to actual needs, or the surface temperature of the insulation block 135 can be actively controlled, such as by using air cooling, water cooling, etc., to ensure that the surface temperature of the insulation block 135 does not exceed 70°C. Through the provision of the insulation block 135, when it is necessary to replace the heating component 13, the insulation block 135 can be directly operated, and the insulation block 135 can be removed from the mounting base 12 to complete the disassembly of the heating component 13. When the insulation block 135 is wrapped around the outside of the heating component 13 (at this time, the heating end of the heating component 13 extends from the bottom of the insulation block 135 to the outside of the insulation block 135), it can further protect the worker who replaces the heating component 13. There is no need to wait for the heating component 13 to cool down or completely cool down, and the heating component 13 can be replaced by operating the insulation block 135 with a lower temperature than the heating component 13.

[0062] It should be understood that the connection relationship between the heating component 13, the insulation block 135 and the mounting base 12 is that the heating component 13 is installed on the insulation block 135, and the insulation block 135 is detachably connected to the mounting base 12; optionally, the heating component 13 can form a complete integrated module with the insulation block 135, or can be detachably connected to the insulation block 135.

[0063] In some embodiments, the heating assembly 13 includes a heating block 131, a hot stamping head 132 and a heating rod 133; the hot stamping head 132 is installed on the heating block 131, the heating rod 133 is installed inside the heating block 131 and is used to heat the heating block 131, the heating block 131 is used to heat the hot stamping head 132, and the hot stamping head 132 is used to hot stamp the film strip.

[0064] Optionally, the heating block 131 can be made of a high thermal conductivity material, which can quickly transfer the high temperature generated by the heating rod 133 to the hot iron head 132 to improve the heating efficiency of the hot iron head 132. This setting can decompose the interior of the heating component 13 into multiple structures to form a modular structure, so that the heating block 131, the hot iron head 132 and the heating rod 133 are respectively made of different materials and assembled to form a complete heating component 13, thereby reducing the overall cost.

[0065] In a further embodiment, the hot ironing mechanism further includes a temperature sensor 134 . The temperature sensor 134 is spaced apart from the heating rod 133 and is disposed on the heating block 131 . The temperature sensor 134 is used to monitor the temperature of the heating block 131 .

[0066] Optionally, the temperature sensor 134 can be a thermocouple, which can be electrically connected to the PLC and monitor the temperature of the heating block 131 in real time. When it is detected that the temperature of the heating block 131 is too high, the heating rod 133 can be controlled to be powered off or the power-on parameters on the heating rod 133 can be adjusted to lower the temperature of the heating block 131. When it is detected that the temperature of the heating block 131 is too low, the heating rod 133 can be controlled to be powered on or the power-on parameters on the heating rod 133 can be adjusted to increase the temperature of the heating block 131, thereby ensuring that the ironing head 132 always heats the film strip within a predetermined temperature range, thereby ensuring the bonding effect of the film strip.

[0067] Second, as Figure 1 and Figure 2 As shown, the present application provides a heating module 10, which includes a connecting frame 16, a lifting drive mechanism 11 and at least two hot-pressing mechanisms as described above; at least two hot-pressing mechanisms are arranged along a first horizontal direction (such as Figure 2 The connecting frames 16 are arranged at intervals in the X direction in the middle of the film strip, and the lifting drive mechanism 11 is used to drive the connecting frames 16 to move up and down to move closer to or away from the film strip.

[0068] Optionally, the mounting seat 12 may extend a set length along the first horizontal direction, and all mounting seats 12 of the hot ironing mechanisms arranged along the first horizontal direction may be connected into an integrated structure to form a connecting frame 16; the lifting drive mechanism 11 may be connected to one or more connection points on the connecting frame 16 to drive the connecting frame 16 to rise and fall.

[0069] With this arrangement, the film strip extending along the first horizontal direction can be heated simultaneously by at least two spot heating mechanisms located on a connecting frame 16, thereby achieving multi-point heating of the film strip and thereby improving the efficiency of bonding the film strip on the back panel.

[0070] Reference Figure 1As shown, in a third aspect, the present application provides a heating device 20, which includes a track 21 and at least two heating modules 10 as described above, and a lifting drive mechanism 11 is slidably arranged on the track 21 along a second horizontal direction.

[0071] By arranging at least two heating modules 10 on the track 21 , it is possible to heat at least two film strips arranged along the second horizontal direction simultaneously, thereby improving the efficiency of bonding the film strips on the back panel.

[0072] Continue to refer to Figure 1 As shown, in some embodiments, the heating device 20 further includes a spacing assembly 22, which includes a driving unit 221 and a mover 222 connected to the lifting drive mechanism 11 in a one-to-one correspondence. Each mover 222 is disposed on the track 21, and the driving unit 221 is used to drive each mover 222 to slide in the second horizontal direction, so that any two adjacent connecting frames 16 are spaced apart by a set distance. Thus, the spacing assembly 22 can be used to move all connecting frames 16 along the second horizontal direction, so that the spacing between each two connecting frames 16 is the same. Then, the heating assembly 13 and the pressing assembly 14 cooperate to heat the evenly arranged film strips, completing the connection between the film strips and the backsheet of the photovoltaic module. Optionally, the second horizontal direction is perpendicular to the first horizontal direction.

[0073] Continue to refer to Figures 1 to 4 As shown, the connecting frame 16 can also be provided with a material moving component 15 for transporting film strips. The material moving component 15 first absorbs and fixes the film strips tightly arranged along the second horizontal direction, and then the film strips follow the material moving component 15 and the connecting frame 16, and are driven by the spacing component 22 to move to the respective film strip placement positions evenly arranged along the second horizontal direction. After the material moving component 15 places all the film strips in the respective film strip placement positions, the corresponding hot spot mechanism on the connecting frame 16 can be used to heat the film strips directly. The one movement of the spacing component 22 can not only realize the transportation of the film strips, but also realize the movement of all the hot spot mechanisms into place, thereby effectively improving the bonding efficiency of the film strips.

[0074] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0075] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0076] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A hot point mechanism, characterized in that: The hot point mechanism includes: a mounting seat, a heating component and a pressing component; The heating component and the pressing component are both mounted on the mounting seat, and the mounting seat is used to drive the heating component and the pressing component to move up and down to move closer to or away from the film strip; The heating component is used to perform contact heating on the film strip to release the stickiness of the film strip; The pressing component is at least used to press the film strip when the heating component is away from the film strip.

2. The hot point mechanism according to claim 1, characterized in that: The pressing assembly includes an elastic member and a pressing block. The elastic member can be elastically deformed in the vertical direction. The pressing block is connected to the mounting seat through the elastic member. The bottom of the pressing block forms a pressing surface for pressing the film strip. When the elastic member is in a natural state, the pressing surface is lower than the heating assembly.

3. The hot point mechanism according to claim 1, characterized in that: The pressing assembly includes a pressing block, which is elastic and can be elastically deformed in the vertical direction. The pressing block is fixedly mounted on the mounting seat. The bottom of the pressing block forms a pressing surface for pressing the film strip. When the pressing block is in a natural state, the pressing surface is lower than the heating assembly.

4. The hot point mechanism according to claim 2 or 3, characterized in that: The pressing block is provided with a through hole for avoiding the heating component, and the heating component is used to pass through the through hole to heat the film strip; or, There are at least two pressing blocks, each of which is arranged at intervals along the circumference of the heating component, and an escape space for avoiding the heating component is formed between the pressing blocks. The heating component is used to heat the film strip through the escape space.

5. The hot point mechanism according to claim 1, characterized in that: The hot point mechanism further includes a heat insulation block, and the heating component is mounted on the mounting seat via the heat insulation block.

6. The hot point mechanism according to claim 5, characterized in that: The heat insulation block is arranged above the heating component and connected to the mounting base; or, the heat insulation block is wrapped around the outside of the heating component and connected to the mounting base; The surface temperature of the thermal insulation block is less than or equal to 70°C.

7. The hot point mechanism according to any one of claims 1 to 6, characterized in that: The heating assembly includes a heating block, a hot spot head and a heating rod; the hot spot head is installed on the heating block, the heating rod is installed inside the heating block and is used to heat the heating block, the heating block is used to heat the hot spot head, and the hot spot head is used to hot the film strip.

8. The hot point mechanism according to claim 7, characterized in that: The hot point mechanism further includes a temperature sensor, which is arranged on the heating block at a distance from the heating rod, and is used to monitor the temperature of the heating block.

9. A heating module, characterized in that: The heating module includes a connecting frame, a lifting drive mechanism and at least two hot-spot mechanisms as described in any one of claims 1 to 8; at least two of the hot-spot mechanisms are arranged on the connecting frame at intervals along the first horizontal direction, and the lifting drive mechanism is used to drive the connecting frame to lift and lower to approach or move away from the film strip.

10. A heating device, characterized in that: The heating device includes a track and at least two heating modules according to claim 9, and the lifting drive mechanism is slidably arranged on the track along the second horizontal direction.

11. The heating device according to claim 10, characterized in that The heating device also includes a spacing component, which includes a driving part and movers connected one-to-one with the lifting drive mechanism, each of which is arranged on the track, and the driving part is used to drive each of the movers to slide in the second horizontal direction, so that any two adjacent connecting frames are spaced a set distance apart.

Images