Die structure for hot press molding

By designing a multi-component mold structure, synchronous pressure application and rapid assembly/disassembly during the hot pressing process were achieved, solving the problems of uneven molding and difficulty in assembly/disassembly in existing mold structures, and improving the efficiency and ease of maintenance of the equipment.

CN223520041UActive Publication Date: 2025-11-07NANJING BAOJIA TOOL MFG CO LTD
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Patent Information

Application Number
CN202520105370.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-11-07
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing hot press molding die structures can only apply pressure in one direction, resulting in uneven molding of the products. In addition, the equipment is a one-piece structure, making it difficult to disassemble and maintain quickly.

Method used

The mold structure is designed with components including an upper frame, a lower frame, a top cover, a bottom cover, a mold body, a top seat, a base, and a control air pump. Synchronous pressure is achieved through the control air pump and a telescopic airbag, and quick assembly and disassembly are achieved through a movable shaft and a sealing ring.

Benefits of technology

It enables uniform hot pressing and rapid demolding of materials inside the mold, improving the efficiency of equipment use and ease of maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223520041U_ABST
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Abstract

The utility model relates to the technical field of hot press forming, in particular to a hot press forming die structure which comprises an upper connecting frame, a lower connecting frame is arranged at the bottom end of the upper connecting frame, a top connecting cover is fixedly connected to the top end of the upper connecting frame, a bottom connecting cover is fixedly connected to the bottom end of the lower connecting frame, and a die body is arranged in the top connecting cover and the bottom connecting cover. The top end of the top connecting cover is fixedly connected with a top seat, and the bottom end of the bottom connecting cover is fixedly connected with a base. Through the arrangement of the top connecting cover, the bottom connecting cover, the die body, the top seat, the bottom seat, the air control pump, the air control net groove, the telescopic air bag, the butt joint plate and the butt joint strip, the hot-press forming die can be synchronously and stably applied with force up and down; a worker firstly injects raw materials needing to be subjected to hot press molding into the space between the upper die body and the lower die body, then the air control pumps in the upper top base, the lower top base and the base are synchronously started, and air suction operation is conducted at the air control net grooves.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hot press forming technical field, concretely to a hot press forming die structure. BACKGROUND

[0002] Hot press forming is a simple and common processing method in plastic processing industry, which mainly uses heated processing mold to inject test material, fixes the model on the heating plate with pressure, controls the melting temperature and time of test material to achieve hardening and cooling after melting, and then takes out the model product.

[0003] For example, the patent file with the announcement number CN 205130235 U discloses a hot press forming mold, relating to the mold field, mainly aiming at reducing the high positioning precision requirement of the hot press forming mold to external pressure equipment and expanding the application environment of the hot press forming module. The main technical scheme is as follows: the hot press forming mold includes a pressure head and a base, the upper surface of the base is provided with a recessed groove, the pressure head includes an upper pressure head and a piston inner pressure head; the outer shape cross section contour of the piston inner pressure head is matched with the inner edge cross section contour of the recessed groove, the piston inner pressure head is placed in the recessed groove and is in sliding cooperation with the side wall of the recessed groove; the lower end surface of the piston inner pressure head and the bottom surface of the recessed groove form a mold cavity for accommodating hot press forming material; when hot press forming, the upper pressure head is inserted into the recessed groove, and the lower end surface of the upper pressure head abuts against the upper end surface of the piston inner pressure head.

[0004] However, when the actual hot press forming mold is used, due to the limitation of its own structure, it can only perform simple one-way pressing operation, which leads to the problem that the finally hot press formed articles are prone to unevenness, and the device adopts an integrated structure design, so that subsequent internal rapid disassembly and maintenance operation cannot be performed, which cannot meet the daily use requirements, and therefore there is an urgent need to design a hot press forming mold structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a hot press forming mold structure to solve the problem that the existing structure in the background art can only perform simple one-way pressing operation due to the limitation of its own structure when the actual hot press forming mold is used, which leads to the problem that the finally hot press formed articles are prone to unevenness, and the device adopts an integrated structure design, so that subsequent internal rapid disassembly and maintenance operation cannot be performed, which cannot meet the daily use requirements.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a hot press forming die structure, including upper joint frame, the bottom of upper joint frame is provided with lower joint frame, the top of upper joint frame is fixedly connected with top cover, the bottom of lower joint frame is fixedly connected with bottom cover, the inside of top cover and bottom cover is provided with die body,

[0007] Top seat and bottom seat, the top of top cover is fixedly connected with top seat, the bottom of bottom cover is fixedly connected with bottom seat.

[0008] Preferably, the inside of top seat is provided with gas control pump machine, and the surface of gas control pump machine is provided with gas control mesh groove.

[0009] Preferably, the bottom of top seat is provided with telescopic air bag, and the bottom of telescopic air bag is fixedly connected with docking plate.

[0010] Preferably, the surface of die body is provided with docking strip, and the side of die body is provided with close adhesive tape.

[0011] Preferably, the sealing ring is arranged between upper joint frame and lower joint frame, and the movable shaft is arranged on one side of upper joint frame and lower joint frame.

[0012] Preferably, the inner wall of top cover and bottom cover is provided with close inner pad, and the close inner pad is matched with die body.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The hot press forming die structure is provided with top cover, bottom cover, die body, top seat, bottom seat, gas control pump machine, gas control mesh groove, telescopic air bag, docking plate and docking strip, so that synchronous stable force operation can be carried out on the upper and lower dies of the hot press forming die structure. In actual use, the staff first injects the raw materials to be hot press formed into the upper and lower die bodies, then synchronously starts the gas control pump machines in the top seat and bottom seat, carries out suction operation at the gas control mesh groove, carries out inflation and telescopic operation of the telescopic air bag, makes the docking plate at one end adaptively dock at the docking strip on the surface of the die body, then carries out limiting upper and lower docking hot press operation in the top cover and bottom cover, thereby improving the quality of the final hot press forming of the materials in the die body, and quick upper and lower separation demolding operation can be carried out, which reflects the practicability of the equipment design.

[0015] The mold structure of the hot press forming is provided with the upper connecting frame, the lower connecting frame, the top connecting cover, the bottom connecting cover, the mold body, the close adhesive tape, the sealing ring, the movable shaft and the close inner pad, and the use effect of the equipment is further improved, in the daily use process, the upper connecting frame and the lower connecting frame can be folded and unfolded quickly through the movable shaft on one side, so that the two groups of mold bodies in the top connecting cover and the bottom connecting cover are exposed quickly, the upper connecting frame and the lower connecting frame are sealed and close to each other through the sealing ring, and the mold body can be damped and close between the inner wall of the top connecting cover and the bottom connecting cover and the top seat through the close adhesive tape on the side, the mold body is quickly connected and installed for use, and the comprehensiveness of the equipment design is embodied. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of the structure of the utility model;

[0017] Figure 2 It is a whole schematic view of the top seat structure of the utility model;

[0018] Figure 3 It is a whole schematic view of the mold body structure of the utility model;

[0019] Figure 4 It is an enlarged schematic view of the structure of A in the utility model; Figure 1

[0020] In the figure: 1, upper connecting frame; 2, lower connecting frame; 3, top connecting cover; 4, bottom connecting cover; 5, mold body; 6, top seat; 7, bottom seat; 8, gas control pump machine; 9, gas control net groove; 10, telescopic air bag; 11, connecting plate; 12, connecting strip; 13, close adhesive tape; 14, sealing ring; 15, movable shaft; 16, close inner pad. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment:

[0023] ​The utility model provides a hot press forming die structure, including upper frame 1, the bottom of upper frame 1 is provided with lower frame 2, the top of upper frame 1 is fixedly connected with top cover 3, the bottom of lower frame 2 is fixedly connected with bottom cover 4, the inside of top cover 3 and bottom cover 4 is provided with mould body 5, the surface of mould body 5 is provided with butt joint strip 12, the side of mould body 5 is provided with close rubber strip 13, the sealing ring 14 is arranged between upper frame 1 and lower frame 2, one side of upper frame 1 and lower frame 2 is provided with movable shaft 15, the inner wall of top cover 3 and bottom cover 4 is provided with close inner pad 16, and the close inner pad 16 is matched with mould body 5, and the movable shaft 15 of one side is used to fold and unfold the top cover 3 and bottom cover 4 quickly, so that two mould bodies 5 in the top cover 3 and bottom cover 4 are exposed quickly, and the sealing ring 14 is used for sealing and fitting when the upper frame 1 and lower frame 2 are butted.

[0024] Top seat 6 and bottom seat 7, the top of top cover 3 is fixedly connected with top seat 6, the bottom of bottom cover 4 is fixedly connected with bottom seat 7, the inside of top seat 6 is provided with gas control pump machine 8, the surface of gas control pump machine 8 is provided with gas control mesh groove 9, the bottom of top seat 6 is provided with telescopic air bag 10, the bottom of telescopic air bag 10 is fixedly connected with butt plate 11, the gas control pump machine 8 in the inside of top seat 6 and bottom seat 7 is started, respectively in gas control mesh groove 9 place carries out the operation of inhaling, and the telescopic air bag 10 is inflated and telescopic operation, so that the butt plate 11 of one end is adaptively butted at the butt joint strip 12 on the surface of mould body 5, and then the limiting up-down butt joint hot pressing operation is carried out in the inside of top cover 3 and bottom cover 4.

[0025] Working principle: when using, the user first injects the raw material that needs to be hot-pressed into the mould body 5 between the upper and lower mould bodies 5, then the gas control pump machine 8 in the inside of top seat 6 and bottom seat 7 is started simultaneously, respectively in gas control mesh groove 9 place carries out the operation of inhaling, and the telescopic air bag 10 is inflated and telescopic operation, so that the butt plate 11 of one end is adaptively butted at the butt joint strip 12 on the surface of mould body 5, and then the limiting up-down butt joint hot pressing operation is carried out in the inside of top cover 3 and bottom cover 4, so as to improve the quality of the material in the mould body 5, and also can carry out the quick up-down separation demoulding operation, in the daily use process, the movable shaft 15 of one side is used to fold and unfold the top cover 3 and bottom cover 4 quickly, so that two mould bodies 5 in the top cover 3 and bottom cover 4 are exposed quickly, and the sealing ring 14 is used for sealing and fitting when the upper frame 1 and lower frame 2 are butted, and the mould body 5 can be damped and fitted between the inner wall of top cover 3 and bottom cover 4 and top seat 6 through the close rubber strip 13 on the side, realizing the quick butt joint installation and use operation of mould body 5, and the above is all working principle of the utility model.

[0026] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No feature of the application is considered critical unless it is expressly stated in the claims.

Claims

1. A hot press forming die structure comprising an upper frame (1), characterized in that: The bottom end of the upper frame (1) is provided with a lower frame (2), the top end of the upper frame (1) is fixedly connected with a top cover (3), the bottom end of the lower frame (2) is fixedly connected with a bottom cover (4), the inside of the top cover (3) and the bottom cover (4) is provided with a mold body (5); The top end of the top cover (3) is fixedly connected with a top seat (6), the bottom end of the bottom cover (4) is fixedly connected with a bottom seat (7).

2. A hot press forming die structure according to claim 1, characterized by: The inside of the top seat (6) is provided with a gas control pump (8), the surface of the gas control pump (8) is provided with a gas control mesh groove (9).

3. A hot press forming die structure according to claim 1, characterized by: The bottom end of the top seat (6) is provided with a telescopic air bag (10), the bottom end of the telescopic air bag (10) is fixedly connected with a docking plate (11).

4. A hot press forming die structure according to claim 1, characterized by: The surface of the mold body (5) is provided with a docking strip (12), the side of the mold body (5) is provided with a close contact adhesive tape (13).

5. A hot press forming die structure according to claim 1, characterized by: The upper frame (1) and the lower frame (2) are provided with a sealing ring (14), one side of the upper frame (1) and the lower frame (2) is provided with a movable shaft (15).

6. A hot press forming die structure according to claim 1, characterized by: The inner wall of the top cover (3) and the bottom cover (4) is provided with a close contact inner pad (16), the close contact inner pad (16) is matched with the mold body (5).

Citation Information

Patent Citations

  • Hot press forming die

    CN205130235U