Low temperature thermoplastic panel heating device
Patent Information
- Application Number
- CN202521587309.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-29
- Publication Date
- 2026-10-20
- Estimated Expiration
- 2035-07-29
AI Technical Summary
[0004]本实用新型的目的在于克服现有技术中使用恒温水箱或加热板对低温热塑板进行低温软化时，低温软化装置不便于进行搬运和携带并且难以对更大尺寸的低温热塑板进行低温软化的不足，提供一种低温热塑板加热装置，本方案的低温热塑板加热装置不但便于携带，并且还能扩展加热面积，满足更大尺寸低温热塑板的加热需求
本实用新型的本实用新型的一种低温热塑板加热装置不但整体重量轻，便于携带，并且还能够进行折叠和展开，展开后能够扩展加热面积，满足更大尺寸低温热塑板的加热需求，折叠的装置工作时能够进一步提高低温热塑板的软化速度，同时，装置折叠后更便于进行收纳和携带。装置中的隔热层能够使热量集中于发热层的顶层，避免热量散失；防粘层能够避免软化后的低温热塑板与发热层粘连，控制模块能够控制发热层的发热温度。
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Figure CN224867844U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of thermoplastic material softening, and more specifically, to a low-temperature thermoplastic plate heating device. Background Technology
[0002] In orthopedic rehabilitation and radiotherapy positioning, low-temperature thermoplastic materials are commonly used for fixation and orthopedic correction. These materials are primarily composed of high-molecular-weight polyester and are frequently used in the fabrication of orthopedic external fixators, orthotics, and braces. They can soften within a relatively low temperature range and can be shaped at room temperature. Low-temperature thermoplastic materials exhibit high strength after hardening. Therefore, temperature control is crucial when shaping these materials. Too low a temperature results in slow and incomplete softening, while too high a temperature can lead to adhesion and melting. Consequently, a suitable and stable heating temperature is essential for the shaping process of low-temperature thermoplastic materials.
[0003] Currently, most methods for softening low-temperature thermoplastic sheets made of low-temperature thermoplastic materials involve heating with a constant-temperature water bath or heating with a heating plate. However, using a constant-temperature water bath is inconvenient for heating, and the heating process can take several minutes or even half an hour. Furthermore, the water bath needs to be preheated before use, and the water in the bath requires regular maintenance during operation. When using a heating plate, it can only heat areas smaller than the sheet surface. For larger sheets, softening needs to be done in sections and multiple times, which can lead to uneven softening of some of the softened sheets, resulting in inconsistent softening throughout the entire sheet and increasing the time and difficulty in fabricating the support structure. Utility Model Content
[0004] The purpose of this invention is to overcome the shortcomings of existing technologies that use constant temperature water tanks or heating plates to soften low-temperature thermoplastic sheets, where the low-temperature softening device is inconvenient to handle and carry, and is difficult to soften larger-sized low-temperature thermoplastic sheets. This invention provides a low-temperature thermoplastic sheet heating device that is not only easy to carry, but also expands the heating area to meet the heating needs of larger-sized low-temperature thermoplastic sheets.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A low-temperature thermoplastic sheet heating device is provided, comprising a control module and a heating unit. The heating unit includes an outer layer, a heat insulation layer, a heating layer, and an anti-stick layer connected sequentially from bottom to top. At least two heating units are provided, which are interconnected and foldable at the connection points. After folding, the anti-stick layers in different heating units can be stacked facing each other. The control module is connected to the heating unit.
[0006] This utility model discloses a low-temperature thermoplastic sheet heating device, which consists of a control module and multiple heating units. All heating units are connected to the control module and can be folded and unfolded. When heating small-sized low-temperature thermoplastic sheets, the sheet is placed between the folded heating units. After folding, both sides of the sheet can be heated through the heating layer, increasing the softening speed. When heating large-sized sheets, the sheet is placed on the fully unfolded heating device, and the heating layer on the device heats one side, expanding the heating area. When the heating device needs to be stored and transported, the heating units are folded together to reduce the device's volume, facilitating storage and transport.
[0007] The heating unit of this low-temperature thermoplastic sheet heating device can be folded and unfolded. When unfolded, the heating unit expands the heating area to meet the heating needs of larger low-temperature thermoplastic sheets. The folded heating unit further improves the softening speed of the low-temperature thermoplastic sheet during operation. Simultaneously, the folded device is easier to store and transport. The heat insulation layer in the device concentrates heat on the top layer of the heating layer, preventing heat loss; the anti-stick layer prevents the softened low-temperature thermoplastic sheet from sticking to the heating layer; and the control module controls the heating temperature of the heating layer.
[0008] Furthermore, the device comprises two heating units, with their outer layers forming a single, integrated layered structure. The foldable connection between the two heating units is made of a flexible material capable of deformation under stress. Using two heating units not only allows for the softening and shaping of small fixtures such as those for the hands and head, but also simultaneously facilitates the softening and shaping of larger fixtures such as those for the legs and waist. This also reduces the number of heating layers and simplifies the wiring of the device. The integrated layered structure and the foldable connection between the two heating units allow them to be folded together. Specifically, the flexible layer is a fabric layer, which is not only soft and easy to fold, but also lighter, further reducing the overall weight of the device and making it easier to transport.
[0009] In addition, different numbers of heating units, such as four or six, can be set, with all heating units having the same flexible outer layer. When all heating units have the same flexible outer layer, the sum of the thicknesses of the insulation layer, heating layer, and anti-stick layer of the same heating unit is 'a', and the maximum number of folds the heating device can be is 'b'. Therefore, the minimum gap width between the insulation layers of two adjacent heating units must be greater than the product of 'a' and 'b'.
[0010] Furthermore, the heat insulation layer includes a first heat insulation layer and a second heat insulation layer. The outer layer, the first heat insulation layer, the second heat insulation layer, and the heating layer are sequentially bonded together. The first heat insulation layer is a metal layer, and the second heat insulation layer is a non-metallic layer. The first heat insulation layer is generally aluminum foil, and the second heat insulation layer is generally an aerosol layer or an aluminum silicate layer. Both the outer layer and the non-metallic layer can be easily and conveniently bonded to both sides of the metal layer with high bonding strength. The metal layer further prevents the outer layer from being difficult to adhere to the non-metallic layer, increasing the connection strength between the heat insulation layer and the outer layer. The outer layer and the metal layer are generally bonded using hot melt adhesive, while the metal layer and the non-metallic layer are bonded and fixed using high-performance silicone adhesive / sealant.
[0011] Furthermore, the heating layer is a constant-temperature heating film. The heating layer is connected to the control module via a wiring harness, and an insulating tube is fitted onto the wiring harness. The insulating tube is fixedly connected to the heat insulation layer. As a constant-temperature heating film, the heating layer provides uniform heating, is safe and efficient, and has high energy utilization. The wiring harness connecting the constant-temperature heating film and the control module is fixed by the insulating tube, which further protects the wiring harness and extends its service life.
[0012] Furthermore, a temperature control probe is provided on the surface of the heating layer. The temperature control probe is attached to the surface of the heating film and is connected to the control module. The temperature control probe can monitor the temperature of the heating layer in real time, further ensuring that the surface temperature of the heating layer remains constant. The temperature control probe is laid on the heating layer, and the connection harness between the temperature control probe and the control module is also fixed by an insulating tube.
[0013] Furthermore, there are two handles, both of which are fixedly installed on the edge of the outer layer, and the two handles overlap when the heating unit is folded. The handles make it easier for the user to pick up the device. The overlap of the two handles after the heating unit is folded not only makes it easier for the user to pick up the device, but also prevents the device from unfolding and falling during handling and transportation.
[0014] Furthermore, the periphery of the anti-adhesive layer is fixed to the outer layer. The anti-adhesive layers of two adjacent heating units are connected by anti-adhesive tape, which adheres to the outer layer. The anti-adhesive layer is made of Teflon fabric, and its periphery is fixed to the outer layer by stitching, resulting in high connection strength and preventing it from easily falling off. Furthermore, the stitching method completely covers the insulation layer and heating layer between the anti-adhesive layer and the outer layer, providing excellent protection. When the two heating modules are folded, their connection point is at the periphery between the two anti-adhesive layers. Placing anti-adhesive tape adhering to the outer layer between the two anti-adhesive layers prevents the softened low-temperature thermoplastic sheet from sticking to the outer layer.
[0015] Compared with the prior art, the beneficial effects of this utility model are: This utility model discloses a low-temperature thermoplastic sheet heating device that is not only lightweight and portable, but also foldable and unfoldable. When unfolded, it expands the heating area to meet the heating needs of larger low-temperature thermoplastic sheets. The folded design further improves the softening speed of the thermoplastic sheet during operation. Furthermore, the folded design makes it easier to store and carry. The heat insulation layer concentrates heat on the top layer of the heating element, preventing heat loss; the anti-stick layer prevents the softened thermoplastic sheet from sticking to the heating element; and the control module regulates the heating temperature of the heating element. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of a low-temperature thermoplastic plate heating device. Figure 2 This is a schematic diagram of a low-temperature thermoplastic heating device when it is deployed. Figure 3 This is a schematic diagram of the structure of a low-temperature thermoplastic heating device when folded.
[0017] In the attached diagram: 1. Outer layer; 2. First heat insulation layer; 3. Second heat insulation layer; 4. Heating layer; 5. Anti-stick layer; 6. Control module; 7. Power plug; 8. Handle; 9. Hot melt adhesive layer; 10. Anti-stick tape. Detailed Implementation
[0018] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.
[0019] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0020] Example 1 This embodiment is a first embodiment of a low-temperature thermoplastic plate heating device, such as... Figure 1-3As shown, it includes a control module and a heating unit. The heating unit includes an outer layer, a heat insulation layer, a heating layer 4 and an anti-stick layer 5 connected from bottom to top. There are at least two heating units. The heating units are connected to each other and the connection points are foldable. After the heating units are folded, the anti-stick layers 5 in different heating units can be stacked facing each other. The control module is connected to the heating unit.
[0021] Specifically, the control module 6 not only controls the operation of the heating unit, but also has an external power plug 7 to supply power to the device.
[0022] The working principle or process of this embodiment is as follows: This embodiment of a low-temperature thermoplastic sheet heating device comprises a control module and multiple heating units, all connected to the control module. The heating units can be folded and unfolded. When heating small-sized low-temperature thermoplastic sheets, the sheet is placed between the folded heating units. After folding, both sides of the sheet can be heated through the heating layer, increasing the softening speed. When heating large-sized low-temperature thermoplastic sheets, the sheet is placed on the fully unfolded heating device, and the heating layer on the device heats one side, expanding the heating area. When the heating device needs to be stored and transported, the heating units are folded together to reduce the device's volume, facilitating storage and transport.
[0023] The beneficial effects of this embodiment are as follows: The heating unit of the low-temperature thermoplastic sheet heating device in this embodiment can be folded and unfolded. When unfolded, the heating unit expands the heating area to meet the heating needs of larger low-temperature thermoplastic sheets. The folded heating unit further improves the softening speed of the low-temperature thermoplastic sheet during operation. Simultaneously, the folded device is easier to store and transport. The heat insulation layer in the device concentrates heat on the top layer of the heating layer, preventing heat loss; the anti-stick layer 5 prevents the softened low-temperature thermoplastic sheet from sticking to the heating layer; and the control module controls the heating temperature of the heating layer.
[0024] Example 2 This embodiment is a second embodiment of a low-temperature thermoplastic plate heating device, such as... Figures 1-3 As shown, this embodiment further defines the heat insulation layer and the heating layer 4 based on embodiment one.
[0025] Specifically, there are two heating units. The outer layer 1 of the two heating units is an integral layered structure. The foldable connection between the two heating units is made of a flexible material that can be deformed under force. The integral layered structure is made of cloth.
[0026] Specifically, the heat insulation layer includes a first heat insulation layer 2 and a second heat insulation layer 3. The outer layer 1, the first heat insulation layer 2, the second heat insulation layer 3, and the heating layer 4 are sequentially bonded together. The first heat insulation layer 2 is aluminum foil, and the second heat insulation layer 3 is an aerosol layer or an aluminum silicate layer. The outer layer 1 and the metal layer are bonded together using hot melt adhesive, that is, a hot melt adhesive layer 9 is provided between the outer layer 1 and the metal layer for bonding. The metal layer and the non-metal layer are bonded and fixed together using high-performance silicone adhesive / sealant.
[0027] Specifically, heating layer 4 is a constant-temperature heating film. Heating layer 4 is connected to control module 6 via a wiring harness. A temperature control probe is provided on the surface of heating layer 4, and the temperature control probe is attached to the surface of the heating film and connected to control module 6. The temperature control probe is laid on heating layer 4, and the wiring harness connecting the temperature control probe and control module 6 is also fixed by an insulating tube.
[0028] The beneficial effects of this embodiment are as follows: The two heating units not only soften and shape small jigs such as those for the hands and head, but also simultaneously soften and shape larger jigs such as those for the legs and waist. The number of heating layers 4 is reduced, simplifying the wiring. The two outer layers 1 are a single, soft, easily foldable, and lightweight fabric, making the device easier to transport. Both the outer layer 1 and the non-metallic layer can be easily and conveniently bonded to both sides of the metal layer with high adhesion strength. The metal layer further prevents the outer layer 1 from being difficult to adhere to the non-metallic layer, increasing the connection strength between the insulation layer and the outer layer 1. The heating layer 4 is a constant-temperature heating film, providing uniform heating, safety, efficiency, and high energy utilization. The wiring harness connecting the constant-temperature heating film and the control unit is fixed with an insulating tube, further protecting the wiring harness and extending its lifespan. The temperature control probe monitors the temperature of the heating layer 4 in real time, further ensuring a constant surface temperature.
[0029] Example 3 This embodiment is a third embodiment of a low-temperature thermoplastic plate heating device, such as... Figures 1-3 As shown, this embodiment further defines other structures of the device based on the previous embodiment.
[0030] Specifically, the outer layer 1 is also provided with handles 8, which are fixedly connected to the outer layer 1. There are two handles 8, both of which are fixedly installed on the edge of the outer layer 1 and overlap when the heating unit is folded.
[0031] Specifically, the anti-adhesive layer 5 is made of Teflon fabric and is sewn onto the outer layer 1. The anti-adhesive layers 5 of two adjacent heating units are connected by anti-adhesive tape 10, which is adhered to the outer layer 1.
[0032] The beneficial effects of this embodiment are as follows: The handles 8 make it easier for users to pick up the device. Two handles 8 are symmetrically positioned on opposite sides of the outer layer 1. When the outer layer 1 is folded, the two handles 8 overlap, making it easier for users to pick up and preventing the device from unfolding and falling during handling and transportation. The anti-adhesive layer 5 is fixed to the outer layer 1 by stitching, providing high connection strength and preventing it from falling off. Furthermore, the stitching method completely covers the heat insulation layer and heating layer 4 between the anti-adhesive layer 5 and the outer layer 1, providing excellent protection. Anti-adhesive tape 10 is applied to the gaps between the anti-adhesive layers 5, preventing the softened low-temperature thermoplastic sheet from adhering to the outer layer 1.
[0033] In the specific implementation of the above embodiments, the technical features can be combined in any non-contradictory way. For the sake of brevity, not all possible combinations of the above technical features are described. However, as long as the combination of these technical features is not contradictory, it should be considered to be within the scope of this specification.
[0034] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.
Claims
1. A low-temperature thermoplastic plate heating device, characterized in that, Includes a control module (6) and a heating unit. The heating unit includes an outer layer (1), a heat insulation layer, a heating layer (4), and an anti-stick layer (5) connected sequentially from bottom to top; The heating unit is provided with at least two, the heating units are connected to each other and the connection is foldable, and the anti-stick layer (5) in different heating units can be stacked facing each other after the heating units are folded; The control module (6) is connected to the heating unit.
2. The low-temperature thermoplastic plate heating device according to claim 1, characterized in that, The heating unit is provided in two parts. The outer layer (1) of the two heating units is an integral layered structure. The foldable connection between the two heating units is made of a flexible material that can be deformed under force.
3. The low-temperature thermoplastic plate heating device according to claim 1, characterized in that, The heat insulation layer includes a first heat insulation layer (2) and a second heat insulation layer (3). The outer layer (1), the first heat insulation layer (2), the second heat insulation layer (3) and the heating layer (4) are bonded together in sequence. The first heat insulation layer (2) is a metal layer and the second heat insulation layer (3) is a non-metallic layer.
4. The low-temperature thermoplastic plate heating device according to claim 1, characterized in that, The heating layer (4) is a constant temperature heating film.
5. A low-temperature thermoplastic plate heating device according to claim 4, characterized in that, The heating layer (4) is connected to the control module (6) via a wire harness. An insulating tube is sleeved on the wire harness, and the insulating tube is fixedly connected to the heat insulation layer.
6. The low-temperature thermoplastic plate heating device according to claim 1, characterized in that, The surface of the heating layer (4) is provided with a temperature control probe, which is attached to the surface of the heating layer (4) and connected to the control module (6).
7. The low-temperature thermoplastic plate heating device according to claim 1, characterized in that, The outer layer (1) is also provided with a handle (8), which is fixedly connected to the outer layer (1).
8. A low-temperature thermoplastic plate heating device according to claim 7, characterized in that, There are two handles (8), both of which are fixedly installed on the edge of the outer layer (1) and overlap when the heating unit is folded.
9. A low-temperature thermoplastic plate heating device according to claim 1, characterized in that, The periphery of the anti-stick layer (5) is fixed to the outer layer.
10. A low-temperature thermoplastic plate heating device according to claim 1, characterized in that, The anti-stick layers (5) of two adjacent heating units are connected by anti-stick tape (10), which is adhered to the outer layer (1).