Efficient and energy-saving heating device for a die-cutting mold of an automotive interior part

CN224897456UActive Publication Date: 2026-10-27NANTONG LIWEI MOLD MFG CO LTD
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Patent Information

Application Number
CN202522500079.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-25
Publication Date
2026-10-27
Estimated Expiration
2035-11-25

AI Technical Summary

Technical Problem

[0006]本实用新型的目的在于提供一种高效节能的汽车内饰件冲切模具加热装置,以解决上述背景技术中提出的现有模具加热装置不便根据需要进行精准调控温度进行辅助加热,容易造成加热温度不良或不均衡,影响操作效率,造成浪费的问题

Benefits of technology

[0013]与现有技术相比,本实用新型的有益效果是:本实用新型便于根据需要进行精准调控温度进行辅助加热,使得加热温度更加均衡,便于提高效率节省资源;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to mould heating technical field, concretely is a kind of high -efficient energy -conserving's automobile interior part punching die heating device, including mould assembly plate, heating pipe is assembled in the mould assembly plate inside, and heating pipe outer end is connected with mould temperature controller by butt joint pipe, the mould temperature controller outside is equipped with protective sleeve, the mould assembly plate includes heating bin and bin cover, the heating pipe includes coil main part, the coil main part is bent and assembled in the inside of heating bin in S type. The utility model is convenient for the accurate temperature control according to need to carry out auxiliary heating, so that heating temperature is more balanced, it is convenient to improve efficiency and save resources.
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Description

Technical Field

[0001] This utility model relates to the field of mold heating technology, specifically a high-efficiency and energy-saving heating device for automotive interior part punching molds. Background Technology

[0002] In the production of automotive interior parts, punching dies play a crucial role. Automotive interior parts are typically made of various composite materials, whose physical properties vary significantly at different temperatures. For example, at room temperature, some interior part materials have poor flexibility, making them prone to defects such as cracking and uneven edges during punching, greatly affecting product quality and appearance. Therefore, heating devices are needed to assist in punching with assembly dies.

[0003] In response, Chinese patent application number CN202221946094.8 discloses a heated stamping die for automotive interior parts, including an upper die, a lower die disposed opposite to the upper die, and a heating component disposed within the lower die; the lower die includes a lower template and a lower die core connected to the lower template, the lower die core being provided with a placement cavity; the heating component includes a heating tube and a connector, the heating tube being embedded in the placement cavity, the connector being mounted on the lower template, and the heating tube being electrically connected to the connector;

[0004] However, existing mold heating devices are inconvenient to precisely control the temperature for auxiliary heating as needed, which can easily lead to poor or uneven heating temperatures, affecting operational efficiency and causing waste.

[0005] Therefore, in order to solve the above problems, a high-efficiency and energy-saving heating device for stamping dies of automotive interior parts is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide a high-efficiency and energy-saving heating device for stamping dies of automotive interior parts, so as to solve the problem mentioned in the background art that the existing die heating devices are inconvenient to accurately control the temperature as needed for auxiliary heating, which easily leads to poor or uneven heating temperature, affecting operating efficiency and causing waste.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency and energy-saving heating device for stamping molds of automotive interior parts, comprising a mold assembly plate, wherein a heating tube is assembled inside the mold assembly plate, and the outer end of the heating tube is connected to a mold temperature controller via a connecting pipe, wherein a protective sleeve is fitted around the mold temperature controller, the mold assembly plate comprises a heating chamber and a chamber cover, and the heating tube comprises a coil body, wherein the coil body is S-shaped and assembled inside the heating chamber.

[0008] As a further step of this solution, the heating chamber has a corresponding groove cavity inside, and the bottom wall of the coil body is horizontally attached to the inner wall of the heating chamber. The side wall of the heating chamber is thicker than the bottom wall of the heating chamber. The bottom wall of the heating chamber is integrally fixed with a lower mounting edge, and the lower mounting edge has uniformly opened lower mounting holes inside.

[0009] As a further step of this solution, an inner mounting edge is provided below the chamber cover, and the inner mounting edge is fastened to the upper part of the heating chamber by screws. Corresponding upper mounting holes are evenly provided inside the upper side of the chamber cover. An inner heat insulation plate is provided at the bottom of the chamber cover and is embedded in the upper part of the inner cavity of the heating chamber.

[0010] As a further step of this solution, the right end of the coil body is integrally fixed with corresponding oil inlet and oil outlet, and the outer ends of the oil inlet and oil outlet are integrally fixed with connecting screw heads. The oil inlet and oil outlet are inserted and installed inside the right side wall of the heating chamber, and the inner wall of the heating chamber and the oil inlet and oil outlet are filled with heat insulation gaskets, and the outer ends of the oil inlet and oil outlet are covered with isolation mesh covers.

[0011] As a further step of this solution, the connecting pipe includes an oil supply pipe and an oil return pipe, and one end of the oil supply pipe and the oil return pipe is fixed with a connecting elbow one and a connecting elbow two corresponding to the oil inlet and oil outlet. The oil supply pipe and the oil return pipe are made of metal flexible hoses, and the oil supply pipe and the oil return pipe are respectively connected to the inlet and outlet ends of the mold temperature controller.

[0012] As a further step of this solution, the protective sleeve includes a telescopic sleeve, which is fitted over the outside of the connecting pipe. An assembly bend is integrally fixed to one end of the telescopic sleeve near the mold assembly plate, and the assembly bend is curved. A limiting sleeve is integrally fixed to one end of the telescopic sleeve near the mold temperature controller.

[0013] Compared with the prior art, the beneficial effects of this utility model are: this utility model facilitates precise temperature control for auxiliary heating as needed, resulting in a more uniform heating temperature, which helps to improve efficiency and save resources;

[0014] 1. This utility model, by setting a mold assembly plate and with the heating tube in place, and with the assembly of the S-shaped spiral coil body, makes it easy for the coil body to uniformly heat the inside of the heating chamber. Then, with the cooperation of the bottom wall of the heating chamber, the lower mold is heated, and the corresponding punching mold is assembled on the bottom surface of the heating chamber. The assembly is fastened with the cooperation of the lower assembly edge and the lower assembly hole, making the assembly operation more convenient and efficient. Through this design, the convenience and practicality of the high-efficiency and energy-saving automotive interior part punching mold heating device are improved.

[0015] 2. This utility model, by setting a connecting pipe in conjunction with a mold temperature controller, facilitates the circulation and supply of hot oil inside the heating pipe to heat the mold assembly plate. With the assistance of the mold temperature controller, the temperature can be precisely controlled as needed, making assembly and use more efficient and convenient. Furthermore, the protective sleeve makes movement more convenient and safe, reducing the risk of external burns. This design improves the convenience and practicality of the high-efficiency and energy-saving automotive interior part punching mold heating device. Attached Figure Description

[0016] Figure 1 This is a frontal perspective three-dimensional schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a bottom-view perspective view of the overall structure of this utility model;

[0018] Figure 3 This is a side view of the exploded three-dimensional assembly of a portion of the mold assembly plate of this utility model.

[0019] Figure 4 This is a frontal cross-sectional exploded view of a portion of the mold assembly plate of this utility model.

[0020] Figure 5 This is a three-dimensional side view sectional view of a partial structure of the butt joint pipe of this utility model;

[0021] In the diagram: 100, Mold assembly plate; 101, Heating chamber; 102, Chamber cover; 103, Inner assembly edge; 104, Upper assembly hole; 105, Lower assembly edge; 106, Lower assembly hole; 107, Inner heat insulation plate; 110, Heating tube; 111, Coil body; 112, Oil inlet; 113, Oil outlet; 114, Connecting screw head; 115, Heat insulation gasket; 116, Isolation mesh cover; 120, Connecting pipe; 121, Oil supply pipe; 122, Oil return pipe; 123, Connecting elbow one; 124, Connecting elbow two; 130, Mold temperature controller; 140, Protective sleeve; 141, Telescopic sleeve; 142, Assembly elbow sleeve; 143, Limiting sleeve. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-5 One embodiment provided by this utility model:

[0024] A high-efficiency and energy-saving heating device for stamping molds of automotive interior parts includes a mold assembly plate 100, a heating tube 110 is assembled inside the mold assembly plate 100, and the outer end of the heating tube 110 is connected to a mold temperature controller 130 through a connecting pipe 120. A protective sleeve 140 is fitted on the outside of the mold temperature controller 130. The mold assembly plate 100 includes a heating chamber 101 and a chamber cover 102. The heating tube 110 includes a coil body 111, which is S-shaped and assembled inside the heating chamber 101.

[0025] As described in more detail in this embodiment, the heating chamber 101 has a corresponding groove cavity inside, and the bottom wall of the coil body 111 is horizontally attached to the inner wall of the heating chamber 101. The side wall of the heating chamber 101 is thicker than the bottom wall of the heating chamber 101. The bottom wall of the heating chamber 101 is integrally fixed with a lower mounting edge 105, and the lower mounting edge 105 has lower mounting holes 106 evenly opened inside the side. In this way, during assembly and use, it is easier to perform auxiliary assembly and install the corresponding molds as needed, making subsequent operations more convenient.

[0026] As described in more detail in this embodiment, an inner mounting edge 103 is provided below the cover 102, and the inner mounting edge 103 is fastened to the upper part of the heating chamber 101 by screws. Corresponding upper mounting holes 104 are evenly provided inside the upper side of the cover 102. An inner heat insulation plate 107 is provided at the bottom of the cover 102, and the inner heat insulation plate 107 is embedded in the upper part of the inner cavity of the heating chamber 101. In this way, during assembly and use, it is convenient to assemble and cover the upper part of the heating chamber 101 according to the needs of use, and it is convenient to assemble it on the relevant drive end so that the subsequent control mold can press down to punch the automotive interior parts.

[0027] As a more detailed embodiment, the right end of the coil body 111 is integrally fixed with a corresponding oil inlet 112 and an oil outlet 113, and the outer ends of the oil inlet 112 and the oil outlet 113 are integrally fixed with a connecting screw head 114. The oil inlet 112 and the oil outlet 113 are inserted and installed inside the right side wall of the heating chamber 101. A heat insulation gasket 115 is filled between the inner wall of the heating chamber 101 and the oil inlet 112 and the oil outlet 113. An isolation mesh cover 116 is provided on the outer ends of the oil inlet 112 and the oil outlet 113. In this way, during assembly and use, it is convenient to perform auxiliary assembly and docking according to the needs of use, so that the bottom of the coil body 111 can fully contact and heat the bottom of the heating chamber 101, making the operation more convenient.

[0028] As described in more detail in this embodiment, the connecting pipe 120 includes an oil supply pipe 121 and an oil return pipe 122. One end of the oil supply pipe 121 and the oil return pipe 122 is fixed with a connecting elbow 123 and a connecting elbow 124 corresponding to the oil inlet 112 and the oil outlet 113, respectively. The oil supply pipe 121 and the oil return pipe 122 are made of metal flexible hoses. The oil supply pipe 121 and the oil return pipe 122 are respectively connected to the inlet and outlet ends of the mold temperature controller 130. In this way, during assembly and use, it is convenient to perform auxiliary connection and move the device according to the needs of use, making the supply of heating more convenient.

[0029] As described in more detail in this embodiment, the protective sleeve 140 includes a telescopic sleeve 141, which is fitted over the outside of the connecting pipe 120. An assembly bend 142 is integrally fixed to one end of the telescopic sleeve 141 near the mold assembly plate 100, and the assembly bend 142 is curved. A limiting sleeve 143 is integrally fixed to one end of the telescopic sleeve 141 near the mold temperature controller 130. In this way, it is convenient to cover and maintain the outside during assembly and use, and to avoid accidental contact and burns.

[0030] Working principle: During assembly and use, the relevant punching dies are assisted in assembly at the bottom of the heating chamber 101 with the cooperation of the lower assembly edge 105 and the lower assembly hole 106. Then, with the cooperation of the inner assembly edge 103, the chamber cover 102 is assembled and fastened to the heating chamber 101. Further, with the cooperation of the upper assembly hole 104, it is assembled at the output end of the stamping equipment so that the subsequent lower die can punch the automotive interior parts. Then, with the cooperation of the docking screw head 114, the oil inlet 112 and oil outlet 113 are connected to the oil supply pipe 121 and oil return pipe 122 through the docking elbow one 123 and docking elbow two 124, and connected to the mold temperature controller 130, making assembly and use more convenient and facilitating auxiliary temperature control according to the needs of use, so that hot oil of the corresponding temperature can be input to fully and evenly heat the heating chamber 101 and the mold at the bottom, making use more convenient, more efficient and energy-saving. The operation ends here.

[0031] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A high-efficiency and energy-saving heating device for stamping dies of automotive interior parts, comprising a die assembly plate (100), characterized in that: The mold assembly plate (100) is equipped with a heating tube (110) inside, and the outer end of the heating tube (110) is connected to a mold temperature controller (130) through a connecting pipe (120). The mold temperature controller (130) is fitted with a protective sleeve (140). The mold assembly plate (100) includes a heating chamber (101) and a chamber cover (102). The heating tube (110) includes a coil body (111), and the coil body (111) is S-shaped and assembled inside the heating chamber (101).

2. The high-efficiency and energy-saving heating device for stamping dies of automotive interior parts according to claim 1, characterized in that: The heating chamber (101) has a corresponding groove cavity inside, and the bottom wall of the coil body (111) is horizontally attached to the inner wall of the heating chamber (101). The side wall of the heating chamber (101) is thicker than the bottom wall of the heating chamber (101). The bottom wall of the heating chamber (101) is integrally fixed with a lower mounting edge (105), and the lower mounting edge (105) has a lower mounting hole (106) evenly opened inside the side.

3. The high-efficiency and energy-saving heating device for automotive interior parts punching dies according to claim 1, characterized in that: The lower part of the cover (102) is provided with an inner mounting edge (103), and the inner mounting edge (103) is fastened to the upper part of the heating chamber (101) by screws. The upper side of the cover (102) is provided with corresponding upper mounting holes (104). The bottom of the cover (102) is provided with an inner heat insulation plate (107), and the inner heat insulation plate (107) is embedded in the upper part of the inner cavity of the heating chamber (101).

4. The high-efficiency and energy-saving heating device for stamping dies of automotive interior parts according to claim 1, characterized in that: The right end of the coil body (111) is integrally fixed with a corresponding oil inlet (112) and oil outlet (113), and the outer ends of the oil inlet (112) and oil outlet (113) are integrally fixed with a connecting screw head (114). The oil inlet (112) and oil outlet (113) are inserted and installed inside the right side wall of the heating chamber (101), and the inner wall of the heating chamber (101) and the oil inlet (112) and oil outlet (113) are filled with a heat insulation gasket (115), and the outer ends of the oil inlet (112) and oil outlet (113) are covered with an isolation mesh cover (116).

5. The high-efficiency and energy-saving heating device for stamping dies of automotive interior parts according to claim 4, characterized in that: The connecting pipe (120) includes an oil supply pipe (121) and an oil return pipe (122), and one end of the oil supply pipe (121) and the oil return pipe (122) is fixed with a connecting elbow one (123) and a connecting elbow two (124) corresponding to the oil inlet (112) and the oil outlet (113). The oil supply pipe (121) and the oil return pipe (122) are made of metal hoses, and the oil supply pipe (121) and the oil return pipe (122) are respectively connected to the inlet and outlet ends of the mold temperature controller (130).

6. The high-efficiency and energy-saving heating device for stamping dies of automotive interior parts according to claim 1, characterized in that: The protective sleeve (140) includes a telescopic sleeve (141), which is sleeved on the outside of the connecting pipe (120). The telescopic sleeve (141) is integrally fixed with an assembly bend (142) at one end near the mold assembly plate (100), and the assembly bend (142) is curved. The telescopic sleeve (141) is integrally fixed with a limiting sleeve (143) at one end near the mold temperature controller (130).

Citation Information

Patent Citations

  • Heating type punching die for automotive upholstery

    CN218557297U