Hot press molding device

By using a separate mold and cooling chamber design, combined with an electric push rod and a double-threaded gear rod, the problem of high material temperature after hot pressing and difficulty in handling is solved, achieving automatic cooling and convenient material handling without the need for additional cooling equipment.

CN223948492UActive Publication Date: 2026-02-27HANGZHOU KEJIE MODEL CO LTD
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Patent Information

Application Number
CN202520368967.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-02-27
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

When using existing hot pressing molding equipment, the material is at a high temperature after hot pressing, making it difficult for operators to handle directly. Cooling equipment is required to lower the temperature before handling, which makes it inconvenient to handle the workpiece.

Method used

The design employs a separate mold and cooling chamber. The mold movement is controlled by an electric push rod, and the mold can be merged and separated by a guide plate and a double-threaded gear rod. The workpiece is cooled by coolant and automatically cooled down for easy handling.

Benefits of technology

This technology enables safe removal of workpieces without the need for additional cooling equipment during the cooling process, improving the convenience and efficiency of workpiece handling.

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Abstract

The utility model discloses a hot press forming device in the technical field of hot press forming, which comprises a base and a top plate, the top plate is fixedly arranged at the top of the base, a stamping component is arranged at the top of the base, an electric push rod is fixedly arranged at the top of the base, and a separating die is arranged at the extending end of the electric push rod. Two guide plates are fixedly arranged at the top of the base, the separated mold is in sliding fit with the opposite sides of the two guide plates, and a cooling cavity is formed in the top face of the base in a downward sunken mode; according to the utility model, when moving to the opening of the cooling cavity, the separated mold is completely opened and a workpiece is promoted to fall onto the filter plate in the cooling cavity, so that the workpiece is cooled by a cooling liquid, and when the separated mold is reset, the double-thread gear rod is driven to rotate reversely through the tooth groove; and therefore, the two piston plates are promoted to reset, the liquid level of the cooling liquid is promoted to descend, an operator can take the workpiece on the filter plate conveniently, and therefore the workpiece can be taken more conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hot press forming technical field especially is related to a hot press forming device. BACKGROUND

[0002] Workpiece needs to use hot press forming device in the process of processing, and the hot press forming device is a kind of equipment for making workpiece, it uses hot press forming process to exert certain pressure to heated material, and makes material deformation into the shape required.

[0003] The prior art (announcement number: CN221339229U) discloses a kind of hot press forming device, it is related to hot press forming technical field, including bottom plate, bottom plate upper surface is fixedly connected with a pair of vertical plate, bottom plate upper surface is slidably connected with slide plate, bottom plate upper surface is fixedly connected with four guide rods, four guide rods upper end is fixedly connected with top plate, four guide rods surface is slidably connected with lifting plate, it can drive screw rod reverse by motor reverse, it can drive slide plate to move right by screw rod reverse, it can make lower mould away from upper mould by slide plate to move right, worker takes out the material after forming from lower mould.But this technical scheme still has the deficiency, specific as follows:

[0004] The device is controlled by screw rod to drive slide plate to move lower mould when using, however, the temperature of material is higher after hot-pressing treatment, so it is difficult for operator to directly take it, and it needs to be cooled by cooling equipment before taking, so it is troublesome to take workpiece.For this reason, we propose a kind of hot press forming device to solve the above-mentioned problems. CONTENT OF UTILITY MODEL

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. In this part, as well as the abstract of the specification and the utility model name, some simplification or omission may be made to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the utility model.

[0006] Therefore, the utility model aims at providing a kind of hot press forming device, can solve the problem that the device in prior art is controlled by screw rod to drive slide plate to move lower mould when using, however, the temperature of material is higher after hot-pressing treatment, so it is difficult for operator to directly take it, and it needs to be cooled by cooling equipment before taking, so it is troublesome to take workpiece.

[0007] To solve the above technical problems, the utility model provides a hot press forming device adopts the following technical scheme: including base and top plate, the top plate fixedly arranged at the top of base, the top of base is provided with punch assembly, the top of base is fixedly provided with electric push rod, the extension end of electric push rod is provided with split mould, the opposite side of two guide plates of split mould is slidably connected, the top surface of base is concave and is provided with cooling cavity, the inlet of cooling cavity is provided with filter plate, two piston plates are movably arranged in the cooling cavity, the double thread gear rod is rotatably arranged in the base, two piston plates are respectively threadedly sleeved on both ends of double thread gear rod, the bottom surface of split mould is provided with tooth slot corresponding to double thread gear rod, the tooth slot is engaged with double thread gear rod.

[0008] Through the above technical scheme, the split mould is moved to the lower side of the punch assembly by the electric push rod, and the split mould is combined to form a complete mould through the cooperation of the two guide plates, and then the heated workpiece is placed in the split mould, and then the punch assembly is used for stamping forming the workpiece.

[0009] Optionally, the punch assembly comprises a cylinder and a stamping block, the cylinder is fixedly arranged on the top of the top plate, and the extension end of the cylinder penetrates through the top plate and is fixedly connected with the stamping block.

[0010] Through the above technical scheme, the split mould is moved to the lower side of the punch assembly by the electric push rod, and the split mould is combined to form a complete mould through the cooperation of the two guide plates, and then the heated workpiece is placed in the split mould, and then the punch assembly is used for stamping forming the workpiece.

[0011] Optionally, the split mould comprises a guide rail and two half moulds, the guide rail is fixedly arranged on the extension end of the electric push rod, the two half moulds are movably arranged in the guide rail, one end of the half mould towards the guide rail is fixedly provided with a sliding block, the sliding block is located in the guide rail and is slidably connected with the inner wall of the guide rail, and the opposite side of the two half moulds is connected through the spring.

[0012] Through the above technical scheme, the split mould is moved to the lower side of the punch assembly by the electric push rod, and the split mould is combined to form a complete mould through the cooperation of the two guide plates, and then the heated workpiece is placed in the split mould, and then the punch assembly is used for stamping forming the workpiece.

[0013] Optionally, the sliding block is T-shaped, and the inner wall of the guide rail is provided with a sliding groove matched with the sliding block.

[0014] Through the above technical scheme, the split mould is moved to the lower side of the punch assembly by the electric push rod, and the split mould is combined to form a complete mould through the cooperation of the two guide plates, and then the heated workpiece is placed in the split mould, and then the punch assembly is used for stamping forming the workpiece.

[0015] Optionally, the inner wall of the guide plate is provided with a limiting groove, the outer wall of the half-mold is fixedly provided with a limiting block, the limiting block is located in the limiting groove and is in sliding fit with the inner wall of the limiting groove, and the distance between the right ends of the two guide plates is twice the distance between the left ends.

[0016] By adopting the above technical scheme, the half-mold is conveniently limited through the cooperation of the limiting groove and the limiting block, so that the limiting block slides along the inner wall of the limiting groove when the guide rail drives the half-mold to move, and the stability of the half-mold during movement is increased.

[0017] Optionally, the two ends of the double-thread gear rod are provided with external threads with opposite thread directions.

[0018] By adopting the above technical scheme, the two piston plates are controlled to perform contraction or expansion movement when the double-thread gear rod rotates.

[0019] Optionally, the piston plate comprises an internal thread ring, a connecting plate and an extrusion plate, the internal thread ring is threadedly sleeved on the double-thread gear rod, one end of the connecting plate is fixedly connected with the outer wall of the internal thread ring, and the other end of the connecting plate is fixedly connected with the extrusion plate.

[0020] By adopting the above technical scheme, the internal thread ring is conveniently controlled to move along the axial direction thereof when the double-thread gear rod rotates, and then the connecting plate and the extrusion plate are conveniently driven to move through the internal thread ring, so that the liquid level of the cooling liquid is conveniently controlled through the extrusion plate.

[0021] Optionally, the side wall of the base is provided with a discharge port, the inner bottom wall of the discharge port is movably provided with a sealing plate, the inside of the discharge port is rotatably provided with two screw rods, the lower ends of the two screw rods are fixedly sleeved with transmission gears, one side of the extrusion plate facing the screw rod is fixedly provided with a toothed plate corresponding to the transmission gear, the toothed plate is in mesh with the transmission gear, and the two ends of the sealing plate are threadedly sleeved on the two screw rods.

[0022] By adopting the above technical scheme, the toothed plate is driven to move synchronously when the extrusion plate moves, and then the transmission gear and the screw rod are driven to rotate through the toothed plate, the sealing plate is controlled to move upward along with the rotation of the screw rod, and thus the discharge port is blocked, so as to reduce the possibility that the cooling liquid leaks out through the discharge port when the liquid level of the cooling liquid rises.

[0023] In summary, the utility model has at least one of the following beneficial effects:

[0024] When the split mold moves to the opening of the cooling cavity, the filter plate is completely opened and the workpiece is caused to fall into the filter plate in the cooling cavity, so that the workpiece is cooled by the cooling liquid, and when the split mold is reset, the double threaded gear rod is reversely rotated by the tooth groove, so that the two piston plates are reset and the liquid level of the cooling liquid is lowered, and then the operator is facilitated to take the workpiece on the filter plate, so that the workpiece is more convenient to take;

[0025] When the extrusion plate moves, the tooth plate moves synchronously, and then the transmission gear and the screw are rotated by the tooth plate, the sealing plate is controlled to move up with the rotation of the screw, so that the discharge port is blocked, so as to reduce the possibility of cooling liquid leaking out through the discharge port when the liquid level of the cooling liquid rises. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0027] Fig. 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0028] Fig. 2 It is a partial three-dimensional structure sectional view of the present application;

[0029] Fig. 3 It is a three-dimensional development structure sectional view of the back of the split mold of the present application.

[0030] Explanation of reference signs: 1, base; 2, top plate; 3, stamping assembly; 31, air cylinder; 32, stamping block; 4, electric push rod; 5, split mold; 51, guide rail; 52, half mold; 53, sliding block; 54, spring; 55, sliding groove; 56, limit block; 6, guide plate; 61, limit groove; 7, cooling cavity; 8, filter plate; 9, piston plate; 91, inner thread ring; 92, connecting plate; 93, extrusion plate; 94, tooth plate; 10, double threaded gear rod; 11, tooth groove; 12, discharge port; 13, sealing plate; 14, screw; 15, transmission gear. DETAILED DESCRIPTION

[0031] The following will be described in combination with the drawings Figs. 1-3 The present application will be further described in detail.

[0032] Embodiment one, refer to Figs. 1-3The utility model discloses a hot press forming device,

[0033] Including base 1 and top plate 2, top plate 2 fixedly arranged at the top of base 1, the top of base 1 is provided with punch assembly 3, the top of base 1 is fixedly provided with electric push rod 4, and the extension end of electric push rod 4 is provided with split mold 5, punch assembly 3 includes pneumatic cylinder 31 and punch block 32, pneumatic cylinder 31 is fixedly arranged at the top of top plate 2, and the extension end of pneumatic cylinder 31 passes through top plate 2 and is fixedly connected with punch block 32, so that the movement of punch block 32 is facilitated by pneumatic cylinder 31, and when punch block 32 moves downward, the workpiece in split mold 5 is facilitated to be punched.

[0034] The top of base 1 is fixedly provided with two guide plates 6, and split mold 5 is slidably connected with the opposite side of the two guide plates 6, and split mold 5 is moved to the lower side of punch assembly 3 by electric push rod 4, at this time, the two guide plates 6 are combined to form a complete mold, and then the heated workpiece is placed in split mold 5, and then the workpiece is punched and formed by punch assembly 3.

[0035] The top surface of base 1 is recessed downward to form a cooling cavity 7, and the inlet of cooling cavity 7 is inclinedly provided with a filter plate 8, when split mold 5 moves to the opening of cooling cavity 7, it is completely opened and the workpiece falls on the filter plate 8 in the cooling cavity 7, so that the workpiece is cooled by the cooling liquid, and the possibility of debris entering the inside of cooling cavity 7 is reduced by filter plate 8.

[0036] Two piston plates 9 are movably arranged in cooling cavity 7, a double-thread gear rod 10 is rotatably arranged in base 1, the two ends of double-thread gear rod 10 are respectively threaded on the two ends of double-thread gear rod 10, and the two ends of double-thread gear rod 10 are provided with external threads with opposite directions, when double-thread gear rod 10 rotates, the two piston plates 9 are controlled to contract or expand, when piston plate 9 contracts, the cooling liquid is extruded, so that the liquid level of the cooling liquid rises, and when piston plate 9 expands, the liquid level of the cooling liquid falls.

[0037] The bottom surface of the split mold 5 is provided with a tooth groove 11 corresponding to the double-thread gear rod 10, the tooth groove 11 is engaged with the double-thread gear rod 10, the piston plate 9 comprises an inner threaded ring 91, a connecting plate 92 and an extrusion plate 93, the inner threaded ring 91 is threadedly sleeved on the double-thread gear rod 10, one end of the connecting plate 92 is fixedly connected with the outer wall of the inner threaded ring 91, the other end of the connecting plate 92 is fixedly connected with the extrusion plate 93, when the double-thread gear rod 10 rotates, the inner threaded ring 91 is conveniently controlled to move along the axial direction thereof, and then the connecting plate 92 and the extrusion plate 93 are conveniently driven to move through the inner threaded ring 91, so that the liquid level of the cooling liquid is conveniently controlled through the extrusion plate 93.

[0038] The specific working principle is: first, the split mold 5 is moved to below the stamping assembly 3 by the electric push rod 4, at this time, the split mold 5 is combined to form a complete mold by the cooperation of the two guide plates 6, then the heated workpiece is placed in the split mold 5, and then the workpiece is formed by the stamping assembly 3.

[0039] When the workpiece is completed, the split mold 5 is moved by the electric push rod 4, the double-thread gear rod 10 is rotated by the split mold 5 moving through the tooth groove 11, and the two piston plates 9 are contracted and extruded to the cooling liquid in the cooling cavity 7, so that the liquid level of the cooling liquid is raised, and the split mold 5 is opened as the distance between the inner walls of the two guide plates 6 increases.

[0040] When the split mold 5 moves to the opening of the cooling cavity 7, it is completely opened and the workpiece falls onto the filter plate 8 in the cooling cavity 7, so that the workpiece is cooled by the cooling liquid, when the split mold 5 is reset, the double-thread gear rod 10 is reversely rotated by the tooth groove 11, so that the two piston plates 9 are reset and the liquid level of the cooling liquid is lowered, then the operator can conveniently take the workpiece on the filter plate 8, and the workpiece is more convenient to cool.

[0041] Embodiment two, refer to Figs. 2-3 , based on the same idea as the above embodiment one, the hot press forming device further comprises:

[0042] The split mold 5 includes a guide rail 51 fixedly arranged at the extending end of the electric push rod 4 and two half molds 52 movably arranged in the guide rail 51. An end of the half mold 52 facing the guide rail 51 is fixedly provided with a sliding block 53 located in the guide rail 51 and in sliding fit with the inner wall of the guide rail 51. The opposite sides of the two half molds 52 are connected through the spring 54. The electric push rod 4 facilitates the movement of the guide rail 51 and the two half molds 52, and the half mold 52 can only slide along the inner wall of the guide rail 51 through the sliding block 53. When the guide rail 51 drives the two half molds 52 to move above the cooling cavity 7, the two half molds 52 are opened through the spring 54, so that the workpiece in the half mold 52 falls into the cooling cavity 7 for cooling treatment.

[0043] The sliding block 53 is T-shaped, and the inner wall of the guide rail 51 is provided with a sliding groove 55 matched with the sliding block 53. The half mold 52 is movably arranged in the guide rail 51 through the cooperation of the sliding block 53 and the sliding groove 55, thereby reducing the possibility of separation of the half mold 52 and the guide rail 51.

[0044] The inner wall of the guide plate 6 is provided with a limiting groove 61, and the outer wall of the half mold 52 is fixedly provided with a limiting block 56 located in the limiting groove 61 and in sliding fit with the inner wall of the limiting groove 61. The distance between the right ends of the two guide plates 6 is twice the distance between the left ends. The half mold 52 is limited through the cooperation of the limiting groove 61 and the limiting block 56, so that the limiting block 56 slides along the inner wall of the limiting groove 61 when the guide rail 51 drives the half mold 52 to move, thereby increasing the stability of the half mold 52 during movement. When the guide rail 51 drives the half mold 52 to move to the left end, the two half molds 52 are closed to form a complete mold. When the guide rail 51 drives the half mold 52 to move to the right end, the two half molds 52 are opened through the spring 54, so that the workpiece in the half mold 52 falls into the cooling cavity 7 for cooling treatment.

[0045] The specific working principle is that the electric push rod 4 facilitates the movement of the guide rail 51 and the two half molds 52, and the half mold 52 can only slide along the inner wall of the guide rail 51 through the sliding block 53. When the guide rail 51 drives the half mold 52 to move to the left end, the two half molds 52 are closed to form a complete mold. When the guide rail 51 drives the half mold 52 to move to the right end, the two half molds 52 are opened through the spring 54, so that the workpiece in the half mold 52 falls into the cooling cavity 7 for cooling treatment.

[0046] In the third embodiment, based on the same concept as the first embodiment, the hot press forming device further comprises: Fig. 2

[0047] ​The side wall of the base 1 is provided with a discharge port 12, the inner bottom wall of the discharge port 12 is movably provided with a sealing plate 13, the inside of the discharge port 12 is rotatably provided with two screw rods 14, the lower ends of the two screw rods 14 are fixedly provided with transmission gears 15, one side of the extrusion plate 93 towards the screw rod 14 is fixedly provided with a toothed plate 94 corresponding to the transmission gear 15, the toothed plate 94 is engaged with the transmission gear 15, and the two ends of the sealing plate 13 are respectively threadedly sleeved on the two screw rods 14.

[0048] The specific working principle is that when the extrusion plate 93 moves, the toothed plate 94 moves synchronously, and then the transmission gear 15 and the screw rod 14 are rotated through the toothed plate 94, the sealing plate 13 is controlled to move upwards along with the rotation of the screw rod 14, so that the discharge port 12 is blocked, so as to reduce the possibility of the cooling liquid leaking out through the discharge port 12 when the liquid level of the cooling liquid rises, and vice versa, the sealing plate 13 is controlled to move downwards along with the liquid level of the cooling liquid, so as to open the discharge port 12, and then the workpiece on the filter plate 8 is conveniently discharged.

[0049] The above are preferred embodiments of the utility model, and are not used to limit the protection scope of the utility model, so that: all equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A hot pressing forming apparatus, comprising a base (1) and a top plate (2), characterized in that: The top plate (2) is fixedly installed on the top of the base (1). The top of the base (1) is provided with a stamping assembly (3). The top of the base (1) is fixedly provided with an electric push rod (4). The extended end of the electric push rod (4) is provided with a split mold (5). The top of the base (1) is fixedly provided with two guide plates (6). The split mold (5) is slidably engaged with the opposite side of the two guide plates (6). The top surface of the base (1) is recessed downward to provide a cooling chamber (7). The inlet of the cooling chamber (7) is inclinedly provided with a filter plate (8). The cooling chamber (7) is movably provided with two piston plates (9). The base (1) is rotatably provided with a double threaded gear rod (10). The two piston plates (9) are respectively threaded onto the two ends of the double threaded gear rod (10). The bottom surface of the split mold (5) is provided with a tooth groove (11) corresponding to the double threaded gear rod (10). The tooth groove (11) meshes with the double threaded gear rod (10).

2. The hot pressing forming apparatus according to claim 1, characterized in that: The stamping assembly (3) includes a cylinder (31) and a stamping block (32). The cylinder (31) is fixedly mounted on the top of the top plate (2). The extended end of the cylinder (31) passes through the top plate (2) and is fixedly connected to the stamping block (32).

3. The hot pressing forming apparatus according to claim 1, characterized in that: The split mold (5) includes a guide rail (51) and two half molds (52). The guide rail (51) is fixedly installed at the extended end of the electric push rod (4). The two half molds (52) are movably installed inside the guide rail (51). A slider (53) is fixedly installed at one end of the half mold (52) facing the guide rail (51). The slider (53) is located inside the guide rail (51) and slides in cooperation with the inner wall of the guide rail (51). The opposite sides of the two half molds (52) are connected by a spring (54).

4. The hot pressing forming apparatus according to claim 3, characterized in that: The slider (53) is T-shaped, and the inner wall of the guide rail (51) is provided with a groove (55) that matches the slider (53).

5. The hot pressing forming apparatus according to claim 3, characterized in that: The inner wall of the guide plate (6) is provided with a limiting groove (61), and the outer wall of the half mold (52) is fixedly provided with a limiting block (56). The limiting block (56) is located in the limiting groove (61) and slides in cooperation with the inner wall of the limiting groove (61). The distance between the right ends of the two guide plates (6) is twice the distance between their left ends.

6. The hot pressing forming apparatus according to claim 1, characterized in that: The two ends of the double-threaded gear rod (10) are provided with external threads in opposite directions.

7. The hot pressing forming apparatus according to claim 1, characterized in that: The piston plate (9) includes an internal threaded ring (91), a connecting plate (92) and a pressing plate (93). The internal threaded ring (91) is threaded onto the double threaded gear rod (10). One end of the connecting plate (92) is fixedly connected to the outer wall of the internal threaded ring (91), and the other end of the connecting plate (92) is fixedly connected to the pressing plate (93).

8. The hot pressing forming apparatus according to claim 7, characterized in that: The base (1) has a discharge port (12) on its side wall. A sealing plate (13) is movably installed on the inner bottom wall of the discharge port (12). Two screws (14) are rotatably installed inside the discharge port (12). A transmission gear (15) is fixedly sleeved on the lower end of each screw (14). A toothed plate (94) corresponding to the transmission gear (15) is fixedly installed on the side of the extrusion plate (93) facing the screw (14). The toothed plate (94) meshes with the transmission gear (15). The two ends of the sealing plate (13) are threaded onto the two screws (14).

Citation Information

Patent Citations

  • Hot press molding device

    CN221339229U