CN218903115U

CN218903115U - Hot extrusion die

Info

Publication number: CN218903115U
Application number: CN202222402118.XU
Authority: CN
Inventors: 张友啟
Original assignee: Sihui Yihe Aluminum Industry Co ltd
Current assignee: Sihui Yihe Aluminum Industry Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-04-25
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a hot extrusion die, which relates to the field of dies and comprises a base, a support and a pressing plate, wherein motors are arranged on two sides of the top of the base, the output end of each motor is connected with a screw rod, a lower die is arranged in the middle of the top of the support, a separation assembly is arranged at the bottom of the lower die, the separation assembly comprises an adjusting cavity, an air cylinder, a bearing plate, a screw rod and a top supporting ring, and an upper die is arranged at the bottom of the pressing plate. According to the utility model, the coil pipe and the water pipe are arranged, so that after the upper die and the lower die are clamped, products attached to the lower die can be cooled by conveying cooling liquid in the coil pipe and conveying cooling liquid in the hollow upper die, and products attached to the upper die can be cooled by conveying cooling liquid in the water pipe, so that the products are cooled more comprehensively, and the condition that the hot extrusion die cools the materials unevenly after being molded is avoided.

Description

Hot extrusion die

Technical Field

The utility model relates to the field of dies, in particular to a hot extrusion die.

Background

The hot extrusion is extrusion by heating a metal material to a hot forging forming temperature, that is, extrusion by heating a billet to a temperature higher than a recrystallization temperature of a metal before extrusion, and the hot extrusion die is a device for introducing a raw material in a molten state into the die by injection molding or the like and utilizing hot extrusion.

According to the chinese patent with the patent number of CN216540262U, an aluminum alloy hot extrusion die is disclosed, a quick cooling groove is formed in the lower die, the die can be used for quick falling off, a heat exchange box is fixedly arranged on the lower surface of the lower die, the purpose of quickly cooling liquid in the quick cooling groove is achieved, quick cyclic utilization of the cooling liquid is facilitated, a plurality of groups of metal heat exchange plates in the heat exchange box are arranged up and down adjacently to form a longer cooling channel, and the cooling liquid can be well cooled for reuse.

With respect to the related art, the inventor considers that when the hot extrusion die is used, the cooling liquid in the lower die can perform the cooling effect after the material is extruded by the die, but a large amount of heat exists at the top of the lower die after the material is molded, and the lower die is positioned at the bottom, so that the material is easy to be influenced due to uneven cooling, and meanwhile, when the material is required to be taken out after the material is molded, the bottom of the lower die is not easy to be separated from the material due to tight contact between the material and the lower die, so that the demolding is inconvenient.

Disclosure of Invention

Based on the above, the utility model aims to provide a hot extrusion die, which solves the technical problems of uneven cooling after the hot extrusion die is used for molding materials and inconvenient demoulding after the hot extrusion die is used for molding the materials.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hot extrusion die, includes base, support and clamp plate, the motor is all installed to the top both sides of base, the output of motor is connected with the lead screw, be provided with the lower mould in the middle of the top of support, the bottom of lower mould is provided with separation subassembly, separation subassembly is including adjusting chamber, cylinder, bearing plate, screw rod and top ring, the mould is installed to the bottom of clamp plate.

By adopting the technical scheme, the material can be extruded and formed by clamping the lower die and the upper die.

Further, the support is fixed in the middle of the top of the base, the pressing plate is arranged above the support, and two sides of the bottom of the pressing plate are sleeved on the outer surface of the screw rod and are in threaded connection with the screw rod.

By adopting the technical scheme, the screw rod can drive the pressing plate to lift after rotating.

Further, a coil is arranged around the lower die, and two ends of the coil penetrate through the outer side of the support and are connected with water supply equipment.

By adopting the technical scheme, the periphery of the lower die can be cooled after cooling water is inserted into the coil pipe.

Further, a cavity is formed in the upper die, and a water pipe penetrates through the top of the upper die.

By adopting the technical scheme, the bottom of the upper die can be cooled after cooling water is input into the water pipe.

Further, the regulation chamber is offered in the inside below of support, the bearing board is installed at the top of regulation chamber, the screw rod that runs through to the support below is installed to the bottom of bearing board, install the cylinder around the regulation chamber, the output of cylinder is connected with the top ring through the piston rod.

Through adopting above-mentioned technical scheme, when the product shaping and drawing of patterns, can drive the supporting plate downwards through rotating the screw rod, can let supporting plate and product bottom separation for the area of contact of product bottom and lower mould reduces, later promotes the jack-up ring by the cylinder operation through the piston rod and can jack up the product in the lower mould, makes the product atress even, makes safer during the drawing of patterns.

Further, the bearing plate is in sliding fit with the adjusting cavity, and the bearing plate is arranged in a convex shape.

By adopting the technical scheme, the bearing plate can slide along the adjusting cavity.

Further, the top support ring is positioned around the bottom of the lower die, and the outer surface of the top support ring is smooth.

By adopting the technical scheme, the lower die is jacked up by the jacking ring.

In summary, the utility model has the following advantages:

according to the utility model, the separating assembly is arranged, when a product is molded and demolded, the supporting plate can be driven to downwards move by rotating the screw, so that the supporting plate can be separated from the bottom of the product, the contact area between the bottom of the product and the lower die is reduced, and then the product can be jacked up from the lower die by pushing the jacking ring through the piston rod by the operation of the cylinder, so that the stress of the product is uniform, the demolding is safer, and the condition that the hot extrusion die is inconvenient to demold after the material is molded is avoided;

according to the utility model, the coil pipe and the water pipe are arranged, so that after the upper die and the lower die are clamped, products attached to the lower die can be cooled by conveying cooling liquid in the coil pipe and conveying cooling liquid in the hollow upper die, and products attached to the upper die can be cooled by conveying cooling liquid in the water pipe, so that the products are cooled more comprehensively, and the condition that the hot extrusion die cools the materials unevenly after being molded is avoided.

Drawings

FIG. 1 is a schematic view showing the structure of the upper die in a separated state according to the present utility model;

FIG. 2 is a schematic diagram showing a closed state structure of an upper mold according to the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

fig. 4 is a schematic structural view of the top ring of the present utility model.

In the figure: 1. a base; 2. a support; 3. a pressing plate; 4. a lower die; 5. an upper die; 6. a motor; 7. a screw rod; 8. a separation assembly; 801. a regulating chamber; 802. a cylinder; 803. a bearing plate; 804. a screw; 805. a top support ring; 9. a coiled pipe; 10. a water pipe.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The following describes the alignment embodiments according to the overall structure of the present utility model.

The utility model provides a hot extrusion die, as shown in fig. 1-4, includes base 1, support 2 and clamp plate 3, and motor 6 is all installed to the top both sides of base 1, and the output of motor 6 is connected with lead screw 7, is provided with lower mould 4 in the middle of the top of support 2, and the bottom of lower mould 4 is provided with separation subassembly 8.

Specifically, the separation assembly 8 comprises an adjusting cavity 801, an air cylinder 802, a supporting plate 803, a screw 804 and a supporting ring 805, the adjusting cavity 801 is arranged below the support 2, the supporting plate 803 is arranged at the top of the adjusting cavity 801, the supporting plate 803 is in sliding fit with the adjusting cavity 801, the supporting plate 803 is arranged in a convex shape, the supporting plate 803 can slide along the adjusting cavity 801, the screw 804 penetrating to the lower portion of the support 2 is arranged at the bottom of the supporting plate 803, the air cylinder 802 is arranged around the adjusting cavity 801, the supporting ring 805 is connected to the output end of the air cylinder 802 through a piston rod, the supporting ring 805 is arranged around the bottom of the lower die 4, the outer surface of the supporting ring 805 is smooth, so that the supporting ring 805 jacks up the lower die 4, when a product is molded and demolded, the supporting plate 803 can be driven downwards through rotating the screw 804, the supporting plate 803 can be separated from the bottom of the product, the contact area of the bottom of the product is reduced, then the product can be jacked up from the lower die 4 through the supporting ring 805 by the piston rod 802, the product can be uniformly pushed by the cylinder 802, the product can be pressed by the pressure plate 3, and the upper die 5 can be molded by the upper die 5 and the lower die 5 can be safely pressed by the upper die 5.

Referring to fig. 1 and 2, in the above embodiment, the support 2 is fixed in the middle of the top of the base 1, the pressing plate 3 is disposed above the support 2, and two sides of the bottom of the pressing plate 3 are sleeved on the outer surface of the screw rod 7 and are in threaded connection with the screw rod 7, so that the screw rod 7 can drive the pressing plate 3 to lift after rotating.

Referring to fig. 1, 2 and 3, in the above embodiment, the coil pipe 9 is disposed around the lower die 4, and two ends of the coil pipe 9 penetrate to the outer side of the support 2 and are connected with the water supply device, so that the periphery of the lower die 4 can be cooled after cooling water is inserted into the coil pipe 9.

Referring to fig. 1, 2 and 3, in the above embodiment, the upper mold 5 has a cavity formed therein, and the top of the upper mold 5 is penetrated with a water pipe 10, so that the bottom of the upper mold 5 can be cooled after cooling water is input into the water pipe 10.

The implementation principle of the embodiment is as follows: firstly, putting raw materials of products into a lower die 4;

then, the motor 6 operates to drive the pressing plate 3 to move through the screw rod 7, so that the upper die 5 and the lower die 4 are matched, and the product is molded;

then, the product attached to the lower die 4 can be cooled by conveying cooling liquid flow in the coil pipe 9, and the product attached to the upper die 5 can be cooled by conveying cooling liquid flow in the hollow upper die 5 through the water conveying pipe 10, so that the product is cooled more comprehensively;

then when the product is molded and demolded, the supporting plate 803 can be driven downwards by rotating the screw 804, the supporting plate 803 can be separated from the bottom of the product, the contact area between the bottom of the product and the lower die 4 is reduced, and then the product can be jacked up from the lower die 4 by pushing the jacking ring 805 through the piston rod by the operation of the cylinder 802, so that the stress of the product is uniform, and the demolding is safer.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a hot extrusion die, includes base (1), support (2) and clamp plate (3), its characterized in that: the novel die is characterized in that motors (6) are mounted on two sides of the top of the base (1), a lead screw (7) is connected to the output end of each motor (6), a lower die (4) is arranged in the middle of the top of each support (2), a separation assembly (8) is arranged at the bottom of each lower die (4), each separation assembly (8) comprises an adjusting cavity (801), an air cylinder (802), a supporting plate (803), a screw (804) and a top supporting ring (805), and an upper die (5) is mounted at the bottom of each pressing plate (3).

2. A hot extrusion die as set forth in claim 1, wherein: the support (2) is fixed in the middle of the top of the base (1), the pressing plate (3) is arranged above the support (2), and the two sides of the bottom of the pressing plate (3) are sleeved on the outer surface of the screw rod (7) and are in threaded connection with the screw rod.

3. A hot extrusion die as set forth in claim 1, wherein: the coil pipe (9) is arranged around the lower die (4), and two ends of the coil pipe (9) penetrate through the outer side of the support (2) and are connected with water supply equipment.

4. A hot extrusion die as set forth in claim 1, wherein: the inside of last mould (5) has seted up the cavity, the top of last mould (5) is run through and is had raceway (10).

5. A hot extrusion die as set forth in claim 1, wherein: the adjusting cavity (801) is formed in the lower portion of the inside of the support (2), the supporting plate (803) is mounted on the top of the adjusting cavity (801), the screw rod (804) penetrating through the lower portion of the support (2) is mounted at the bottom of the supporting plate (803), the air cylinder (802) is mounted around the adjusting cavity (801), and the output end of the air cylinder (802) is connected with the top supporting ring (805) through the piston rod.

6. A hot extrusion die as set forth in claim 5, wherein: the bearing plate (803) is in sliding fit with the adjusting cavity (801), and the bearing plate (803) is arranged in a convex shape.

7. A hot extrusion die as set forth in claim 5, wherein: the top support ring (805) is located around the bottom of the lower die (4), and the outer surface of the top support ring (805) is smooth.