A heating mold structure for sole molding, a multi-layer hot pressing component and a sole molding machine
By using graphene heating plates, heat transfer plates and multi-layer hot pressing components in the sole molding technology, the problems of low heating efficiency and uneven heat pressing in the prior art are solved, efficient heating and uniform hot pressing are achieved, and energy-saving and environmentally friendly effects are achieved.
Patent Information
- Application Number
- CN202420438060.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-07
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-03-07
AI Technical Summary
In the existing sole molding technology, the heating efficiency is low, the heat pressing is uneven, and the traditional thermal oil heating has the risk of environmental pollution, making it difficult to achieve energy conservation and environmental protection.
The heating mold structure for sole molding is adopted, including thermal insulation plate, graphene heating plate, heat transfer plate and multi-layer hot pressing components. The graphene heating plate is used to achieve efficient heating, and the heat transfer plate and thermal conductivity resin ensure uniform heat conduction. The temperature control probe is used for heat control to achieve multi-layer hot pressing.
It achieves efficient heating during sole forming and uniform heating of hot-pressed products, saves energy, reduces environmental pollution, and achieves the goal of energy conservation and environmental protection.
Smart Images
Figure CN222697732U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of hot pressing molding, and in particular relates to a heating mold structure for sole molding, a multi-layer hot pressing component and a sole molding machine. Background Art
[0002] China is the world's largest producer, consumer and exporter of footwear, accounting for more than half of the world's total footwear production. Today, footwear products have become a major pillar of China's economy. In the process of sole molding, heating methods such as thermal oil, steam and electric heating pipes are mainly used. First, the mold is placed on a heating machine for heating. After reaching the appropriate temperature, the sole raw material is placed in the mold for molding through vulcanization, injection molding, foaming and other methods. However, these traditional heating methods have low heating efficiency and uneven heating. For thermal oil heating, there is also the risk of environmental pollution caused by thermal oil leakage, making it difficult to achieve energy conservation and environmental protection.
[0003] Therefore, there is an urgent need for a heating mold structure for sole molding, a multi-layer hot pressing assembly and a sole molding machine that support high heating efficiency, uniform heating of hot pressing products, energy saving and environmental protection. Utility Model Content
[0004] The purpose of the utility model is to provide a heating mold structure for sole molding, a multi-layer hot pressing component and a sole molding machine in view of the deficiencies in the prior art, which can realize efficient heating during the sole molding process, heat the hot pressing products evenly, and save energy and be environmentally friendly.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A heating mold structure for sole molding, comprising:
[0007] A thermal insulation board, wherein a mounting cavity is formed in the middle of the thermal insulation board;
[0008] A pressure bearing plate installed in the installation cavity, wherein at least one side of the pressure bearing plate is formed with a back groove;
[0009] A graphene heating plate installed on the pressure plate near the side where the back groove is located, the graphene heating plate comprises a metal substrate and a coating, the shape of the coating is adapted to the shape of the back groove, and the side where the coating is located is near the back groove;
[0010] A heat transfer plate is arranged on the graphene heating plate, one side of the heat transfer plate is close to the metal substrate, and the other side is used for sole molding.
[0011] Furthermore, a thermally conductive resin is provided between the heat transfer plate and the metal substrate.
[0012] Furthermore, the coating includes an insulating layer disposed on the metal substrate, a conductive silver paste layer disposed on the insulating layer, a graphene heating layer disposed on the conductive silver paste layer, and an encapsulation layer disposed on the graphene heating layer.
[0013] Furthermore, two graphene heating plates are provided on the pressure plate, and the two graphene heating plates are arranged on the same plane.
[0014] Furthermore, two temperature control probes are provided in the heat transfer plate, and the two temperature control probes correspond to the two graphene heating plates respectively.
[0015] The utility model also provides a multi-layer hot pressing assembly, including an upper heating mold, a lower heating mold, and at least one middle heating mold arranged between the upper heating mold and the lower heating mold, wherein the upper heating mold, the lower heating mold and the middle heating mold all adopt the heating mold structure for sole molding.
[0016] Furthermore, the lower heating mold includes a first heat insulation board, which includes a bottom cover and a first side surround arranged around the edge of the bottom cover, and the pressure plate of the lower heating mold is arranged close to the bottom cover; the middle heating mold includes a second heat insulation board, which includes a second annular side surround, and the pressure plate of the middle heating mold is arranged in the middle position of the second side surround, and the graphene heating plate and the heat transfer plate are provided on both sides of the pressure plate of the middle heating mold, so that the upper and lower surfaces of the middle heating mold can be used for sole molding.
[0017] Furthermore, the structure of the upper heating mold is the same as that of the lower heating mold.
[0018] Furthermore, a bearing edge is formed inwardly at the lower end of the second side surround of the second heat insulation plate for supporting the heat transfer plate located below the pressure plate.
[0019] The utility model also provides a sole forming machine, comprising a control host, a jack and a multi-layer hot pressing component, wherein the upper heating mold, the middle heating mold and the lower heating mold are movably connected by a plurality of sliding rods and are arranged on the jack, and the control host is used to control the jack to lift the lower heating mold and the middle heating mold from bottom to top.
[0020] Beneficial effects of the utility model:
[0021] The utility model sets a heat-insulating plate to prevent heat from being randomly dissipated; adopts a graphene heating plate to achieve efficient heating, energy saving and environmental protection; sets a pressure plate with a back groove to prevent the coating on the graphene heating plate from being squeezed during the hot pressing process; sets a heat transfer plate to achieve uniform heating for sole molding; sets a thermal conductive resin to facilitate the conduction of heat from the graphene heating plate to the heat transfer plate; sets a temperature control probe for heat control; sets an upper heating mold, a middle heating mold and a lower heating mold to achieve multi-layer hot pressing; the utility model can achieve efficient heating in the process of sole molding, and the hot pressing product is evenly heated, which is energy-saving and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Attached Figure 1 It is a schematic diagram of the exploded structure of the heating mold structure for sole molding of the utility model;
[0023] Attached Figure 2 It is a structural schematic diagram of the graphene heating plate of the utility model;
[0024] Attached Figure 3 It is a structural schematic diagram of a multi-layer hot pressing assembly of the utility model;
[0025] Attached Figure 4 It is a structural schematic diagram of the lower heating mold of the utility model;
[0026] Attached Figure 5 It is a structural schematic diagram of the intermediate heating mold of the utility model;
[0027] Attached Figure 6 It is a schematic diagram of the explosion structure of the intermediate heating mold of the utility model;
[0028] Attached Figure 7 It is a structural schematic diagram of the sole forming machine of the utility model;
[0029] Markings in the figure: 1- thermal insulation board, 110- installation cavity; 2- pressure plate, 210- back groove; 3- graphene heating plate, 310- metal substrate, 320- coating, 321- insulation layer, 322- conductor silver paste layer, 323- graphene heating layer, 324- encapsulation layer; 4- thermal conductive resin; 5- heat transfer plate, 510- temperature control probe; 6- upper heating mold; 7- middle heating mold, 710- second thermal insulation board, 711- second side enclosure, 712- load-bearing edge; 8- lower heating mold, 810- first thermal insulation board, 811- bottom cover, 812- first side enclosure; 9- control host; 10- jack; 11- slide rod; 12- hot pressing mold or product. DETAILED DESCRIPTION
[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0031] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0033] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0034] See attached Figure 1 To Attachment Figure 7 , the figure shows a specific embodiment of a heating mold structure for sole molding, a multi-layer hot pressing component and a sole molding machine provided by the utility model.
[0035] See attached Figure 1 , the heating mold structure for sole molding includes:
[0036] A thermal insulation board 1, wherein a mounting cavity 110 is formed in the middle of the thermal insulation board 1;
[0037] A pressure plate 2 installed in the installation cavity 110, wherein at least one side of the pressure plate 2 is formed with a back groove 210;
[0038] A graphene heating plate 3 is installed on the pressure plate 2 near the side where the back groove 210 is located. The graphene heating plate 3 includes a metal substrate 310 and a coating 320. The shape of the coating 320 is adapted to the shape of the back groove 210, and the side where the coating 320 is located is close to the back groove 210.
[0039] The heat transfer plate 5 is arranged on the graphene heating plate 3, and one side of the heat transfer plate 5 is close to the metal substrate 310, and the other side is used for sole molding.
[0040] In the above embodiment, the pressure plate 2 is arranged in the installation cavity 110, and plays a pressure-bearing role in the process of hot pressing and forming the sole. The graphene heating plate 3 is placed on the pressure plate 2 and the coating 320 of the graphene heating plate 3 faces downward, while the back groove 210 of the pressure plate 2 faces upward. During the forming, the heat transfer plate 5 is pressed and squeezed against the metal substrate 310. Since the shape of the back groove 210 is adapted to the shape of the coating 320, the pressure of the metal substrate 310 can be directly transmitted to the pressure plate 2, avoiding squeezing the coating 320 and causing damage to the graphene heating plate 3. Due to the use of the graphene heating plate 3, it has the advantages of high heating efficiency and uniform heating. In the embodiment, the material of the heat transfer plate 5 can be selected from pressure-resistant and heat-conductive metal materials such as stainless steel / aluminum, and the thermal insulation plate 1 is made of heat-insulating materials that can withstand the pressure of the machine and the working temperature of the graphene heating plate 3, so that the heat can be concentrated on the heat transfer plate 5, avoiding energy waste, and saving energy and protecting the environment.
[0041] See attached Figure 4 In the above embodiment, a heat-conducting resin 4 is further provided between the heat transfer plate 5 and the metal substrate 310. In the embodiment, the heat-conducting resin 4 is made of high-thermal-conducting silicone grease or other high-thermal-conducting materials with a temperature resistance of more than 300 degrees, and is used to transfer the heat on the metal substrate 310 of the graphene heating plate 3 to the heat transfer plate 5, so that the heating is uniform.
[0042] See attached Figure 2 In the above embodiment, the coating 320 includes an insulating layer 321 disposed on the metal substrate 310, a conductor silver paste layer 322 disposed on the insulating layer 321, a graphene heating layer 323 disposed on the conductor silver paste layer 322, and an encapsulation layer 324 disposed on the graphene heating layer 323. In the embodiment, the insulating layer 321 is printed by a thermal conductive material, the encapsulation layer 324 is printed by a thermal insulation material, and the conductor silver paste layer 322 leads to a wiring terminal for external wiring and power supply.
[0043] See attached Figure 4In an optional embodiment, two graphene heating plates 3 are provided on the pressure plate 2, and the two graphene heating plates 3 are arranged in the same plane. In the embodiment, two graphene heating plates 3 located in the same plane are provided on the same side of the pressure plate 2, and correspondingly, two temperature control probes 510 are provided in the heat transfer plate 5, and the two temperature control probes 510 correspond to the two graphene heating plates 3 respectively. In the embodiment, the two temperature control probes 510 are used to detect the temperature at different positions on the heat transfer plate 5, and control the heating degree of the two graphene heating plates 3 according to the heating demand, so as to realize fine temperature detection and control.
[0044] See attached Figure 3 The present embodiment also provides a multi-layer hot pressing assembly, including an upper heating mold 6, a lower heating mold 8, and at least one intermediate heating mold 7 disposed between the upper heating mold 6 and the lower heating mold 8. The upper heating mold 6, the lower heating mold 8, and the intermediate heating mold 7 all adopt the above-mentioned sole molding heating mold structure. In the embodiment, at least one upper heating mold 6 and one lower heating mold 8 can form a single-layer hot pressing assembly, but the working efficiency is low. In the present embodiment, a plurality of intermediate heating molds 7 can be disposed between the upper heating mold 6 and the lower heating mold 8 to realize multi-layer hot pressing of the hot pressing mold or the product 12, wherein the upper heating mold 6 and the lower heating mold 8 are both single-sided heated, and the intermediate heating mold 7 is double-sided heated.
[0045] See attached Figure 4 In the above embodiment, the lower heating mold 8 includes a first heat insulation board 810, and the first heat insulation board 810 includes a bottom cover 811 and a first side enclosure 812 arranged around the edge of the bottom cover 811. The pressure plate 2 of the lower heating mold 8 is arranged close to the bottom cover 811; wherein, the structure of the upper heating mold 6 is the same as that of the lower heating mold 8. In the embodiment, the upper heating mold 6 and the lower heating mold 8 are arranged opposite to each other, and the first heat insulation board 810 of the lower heating mold 8 is the heat preservation and heat insulation board 1 in the above-mentioned sole molding heating mold structure. Specifically, the first heat insulation board 810, the first side enclosure 812 and the bottom cover 811 together form a groove structure, and the groove structure is the installation cavity 110. The pressure plate 2, the graphene heating plate 3, the heat conductive resin 4, and the heat transfer plate 5 are stacked from bottom to top in sequence, and the upper plane of the uppermost heat transfer plate 5 and the top of the first side enclosure 812 are located in the same plane.
[0046] See attached Figure 5 and attached Figure 6In the above embodiment, the middle heating mold 7 includes a second heat insulation plate 710, the second heat insulation plate 710 includes a second ring-shaped side enclosure 711, the pressure plate of the middle heating mold 7 is arranged in the middle position of the second side enclosure 711, and graphene heating plates 3 and heat transfer plates 5 are arranged on both sides of the pressure plate of the middle heating mold 7, so that the upper and lower surfaces of the middle heating mold 7 can be used for sole molding. In the embodiment, the second heat insulation plate 710 of the middle heating mold 7 is the heat preservation and heat insulation plate 1 in the above-mentioned sole molding heating mold structure. Specifically, the second side enclosure 711 of the second heat insulation plate 710 is surrounded by a square ring, and the pressure plate 2 is arranged in the middle position of the second side enclosure 711. Both sides of the pressure plate 2 of the middle heating mold 7 are provided with back grooves 210. Above the pressure plate 2, the graphene heating plate 3, the heat conductive resin 4, and the heat transfer plate 5 are stacked from bottom to top in sequence. Below the pressure plate 2, the graphene heating plate 3, the heat conductive resin 4, and the heat transfer plate 5 are stacked from top to bottom in sequence, so that the upper end surface and the lower end surface of the middle heating mold 7 are both provided with the heat transfer plate 5 for sole molding, so as to achieve double-sided heating. In this embodiment, the lower end of the second side enclosure 711 of the second heat insulation plate 710 is formed with a bearing edge 712 inwardly, which is used to bear the heat transfer plate 5 located below the pressure plate 2.
[0047] See attached Figure 7 The present embodiment also provides a sole forming machine, including a control host 9, a jack 10 and the above-mentioned multi-layer hot pressing assembly. The upper heating mold 6, the middle heating mold 7 and the lower heating mold 8 are movably connected by a plurality of slide bars 11 and are arranged on the jack 10. The control host 9 is used to control the jack 10 to lift the lower heating mold 8 and the middle heating mold 7 from bottom to top. In the embodiment, the sole forming machine is provided with four slide bars 11, the upper heating mold 6 is fixed to the upper end of the slide bar 11, and the middle heating mold 7 and the lower heating mold 8 can move up and down relative to the slide bar 11. During operation, the jack 10 lifts the lower heating mold 8, and lifts each middle heating mold 7 from bottom to top in turn and finally abuts against the upper heating mold 6, so as to realize multi-layer hot pressing molding in turn.
[0048] In summary, the present embodiment provides a heating mold structure for sole molding, a multi-layer hot pressing assembly and a sole molding machine. By setting a thermal insulation plate 1, heat is not dissipated at will; by adopting a graphene heating plate 3, efficient heating, energy saving and environmental protection are achieved; by setting a pressure plate 2 with a back groove 210, the coating 320 on the graphene heating plate 3 is prevented from being squeezed during the hot pressing molding process; by setting a heat transfer plate 5, the heating is uniform for sole molding; by setting a thermal conductive resin 4, the heat of the graphene heating plate 3 is conveniently transferred to the heat transfer plate 5; by setting a temperature control probe 510, it is used for heat control; by setting an upper heating mold 6, an intermediate heating mold 7 and a lower heating mold 8, multi-layer hot pressing is achieved; the present embodiment can achieve efficient heating in the sole molding process, and the hot pressed products are evenly heated, energy saving and environmental protection.
[0049] The embodiment described above is only one of the more preferred specific embodiments of the present invention. Common changes and substitutions made by technicians in this field within the technical solution of the present invention should be included in the protection scope of the present invention.
Claims
1. A heating mold structure for sole molding, characterized in that: include: A thermal insulation board (1), wherein a mounting cavity (110) is formed in the middle of the thermal insulation board (1); A pressure-bearing plate (2) installed in the installation cavity (110), wherein at least one side of the pressure-bearing plate (2) is formed with a back groove (210); A graphene heating plate (3) mounted on a side of the pressure plate (2) close to the back groove (210), the graphene heating plate (3) comprising a metal substrate (310) and a coating (320), the shape of the coating (320) being adapted to the shape of the back groove (210), and the side of the coating (320) being close to the back groove (210); A heat transfer plate (5) is arranged on the graphene heating plate (3), wherein one side of the heat transfer plate (5) is close to the metal substrate (310) and the other side is used for sole molding.
2. A heating mold structure for sole molding according to claim 1, characterized in that: A heat-conducting resin (4) is also provided between the heat transfer plate (5) and the metal substrate (310).
3. A heating mold structure for sole molding according to claim 1, characterized in that: The coating (320) comprises an insulating layer (321) disposed on the metal substrate (310), a conductor silver paste layer (322) disposed on the insulating layer (321), a graphene heating layer (323) disposed on the conductor silver paste layer (322), and an encapsulation layer (324) disposed on the graphene heating layer (323).
4. A heating mold structure for sole molding according to claim 1, characterized in that: The pressure bearing plate (2) is provided with two graphene heating plates (3), and the two graphene heating plates (3) are arranged on the same plane.
5. A heating mold structure for sole molding according to claim 4, characterized in that: Two temperature control probes (510) are arranged in the heat transfer plate (5), and the two temperature control probes (510) correspond to the two graphene heating plates (3) respectively.
6. A multi-layer hot pressing assembly, characterized in that: The invention comprises an upper heating mold (6), a lower heating mold (8), and at least one intermediate heating mold (7) arranged between the upper heating mold (6) and the lower heating mold (8), wherein the upper heating mold (6), the lower heating mold (8) and the intermediate heating mold (7) all adopt a heating mold structure for sole molding according to any one of claims 1 to 5.
7. A multi-layer hot pressing assembly according to claim 6, characterized in that: The lower heating mold (8) comprises a first heat insulation plate (810), the first heat insulation plate (810) comprises a bottom cover (811) and a first side enclosure (812) arranged around the edge of the bottom cover (811), and the pressure plate (2) of the lower heating mold (8) is arranged close to the bottom cover (811); the middle heating mold (7) comprises a second heat insulation plate (710), the second heat insulation plate (710) comprises a second side enclosure (711) in an annular shape, the pressure plate of the middle heating mold (7) is arranged at a middle position in the second side enclosure (711), and the graphene heating plate (3) and the heat transfer plate (5) are arranged on both sides of the pressure plate of the middle heating mold (7), so that the upper and lower surfaces of the middle heating mold (7) can be used for sole molding.
8. A multi-layer hot pressing assembly according to claim 7, characterized in that: The structure of the upper heating mold (6) is the same as that of the lower heating mold (8).
9. A multi-layer hot pressing assembly according to claim 7, characterized in that: A bearing edge (712) is formed inwardly at the lower end of the second side enclosure (711) of the second heat insulation plate (710), and is used to support the heat transfer plate (5) located below the pressure plate (2).
10. A sole forming machine, characterized in that: The invention comprises a control host (9), a jack (10) and a multi-layer hot pressing assembly according to any one of claims 6 to 9, wherein the upper heating mold (6), the middle heating mold (7) and the lower heating mold (8) are movably connected via a plurality of sliding rods (11) and are arranged on the jack (10), and the control host (9) is used to control the jack (10) to lift the lower heating mold (8) and the middle heating mold (7) from bottom to top.