CN116351998A - Duplex position forging and pressing mould - Google Patents

Abstract

The invention discloses a double-station forging die, and belongs to the technical field of forging dies. The invention discloses a double-station forging die, which comprises an upper die plate and a lower die plate, wherein the lower die plate is positioned below the upper die plate; the method also comprises the following steps: the upper die sleeve is arranged at the lower end of the upper die plate and is fixedly connected with the upper die plate through a positioning pin; the lower die sleeve is arranged at the upper end of the lower die plate and is fixedly connected with the lower die plate through a positioning pin; the upper die is arranged in the upper die sleeve, and two forging and pressing punches are arranged on the upper die; and the lower die is arranged in the lower die sleeve, and two die cavities are arranged in the lower die. The invention solves the problems that the existing forging die has lower efficiency in forging production and only one product is forged at a time, and by arranging the two forging punches and the die cavity, the forging die is a double-station forging die, compared with the single-station forging die, the forging die can forge two products at a time, and the production efficiency is improved.

Description

A double-station forging die

technical field

The invention relates to the technical field of forging dies, in particular to a double-station forging die.

Background technique

Forging is the collective name of forging and stamping. It is a forming process that uses the hammer, anvil, punch or through the die of the forging machine to apply pressure to the blank to cause plastic deformation to obtain the required shape and size of the workpiece. . With the development of social technology, automation is more and more widely used in the field of forging. Automated forging replaces manual forging. After the product is formed, it is automatically ejected to a certain height in the mold cavity, which is particularly important for the automatic pick-up of the manipulator.

In the prior art, for example, the Chinese patent with publication number CN114932190A discloses a forging die of an aluminum alloy scroll. This patent adopts a split structure to divide the upper mold and the lower mold into multiple parts, and its installation and disassembly are convenient, which can realize Quick replacement of parts saves mold manufacturing cost and improves production efficiency;

The Chinese patent with the publication number: CN107838353A discloses a warm forging extrusion molding die. The metal streamline of the new energy vehicle bearing seat produced by this patent is not cut off, the mechanical performance is high, and the amount of turning processing is reduced. It is not easy to deform, and the product has high precision.

However, in the above-mentioned technology, the existing forging dies have low efficiency during forging production, and only one product is forged at a time.

In view of these defects, it is necessary to design a double-station forging die.

Contents of the invention

The purpose of the present invention is to provide a double-station forging die. Two forging punches are provided on the upper die, and two die cavities are arranged inside the lower die. By arranging two forging punches and die cavities, the The forging die is a double-station forging die. Compared with a single-station forging die, it can forge two products at one time, which improves production efficiency and can solve problems in the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: a double-station forging die, comprising an upper template and a lower template, the lower template is located below the upper template;

Also includes:

An upper mold cover, which is arranged on the lower end of the upper template, and the upper mold cover and the upper template are fixedly connected by positioning pins;

The lower mold cover is arranged on the upper end of the lower template, and the lower mold cover and the lower template are fixedly connected by positioning pins;

An upper die, which is arranged inside the upper die sleeve, and the upper die is provided with two forging punches;

A lower mold, which is arranged inside the lower mold sleeve, and the inside of the lower mold is provided with two mold cavities;

The base is arranged under the lower mold, and the inside of the base is provided with a push rod.

Preferably, the upper template and the lower template are fixedly connected through guide sleeves and guide posts, and there are four guide sleeves and guide posts.

Preferably, a lower pad is provided at the bottom of the lower mold, and a lower punching ring is provided between the lower pad and the base.

Preferably, a lower sliding block is provided inside the lower punching ring, and the lower sliding block is fixedly connected with the ejector pin, and an intermediate ejector pin is arranged at the upper end of the lower sliding block, and the intermediate ejector pin is located at the lower end of the cavity.

Preferably, the upper end of the lower mold sleeve is provided with a lower mold pressure ring, and the lower mold pressure ring is fixedly connected with the lower mold sleeve through positioning pins.

Preferably, a cover plate is provided inside the upper formwork, an upper spacer is provided at the lower end of the cover plate, and an upper beating ring is provided between the upper spacer and the upper mold.

Preferably, an upper sliding block is provided inside the upper punching ring, and the upper end of the upper sliding block is connected to a hydraulic cylinder.

Preferably, the upper die sleeve and the upper die are connected by an upper threaded sleeve.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1, a kind of double-station forging die that the present invention proposes, by being provided with two forging punches on upper die, lower die, it is arranged on the inside of lower die sleeve, and the inside of lower die is provided with two die cavities, through Two forging punches and die cavities are set, so that the forging die is a double-station forging die. Compared with a single-station forging die, two products can be forged at one time, which improves production efficiency.

2. A double-station forging die proposed by the present invention is ejected through the oil cylinder, thereby moving the ejector rod upwards, and then driving the sliding block to move upwards, so that the middle ejector rod on the sliding block ejects the product in the mold cavity, The product is demolded smoothly, and the sliding block makes the intermediate ejector rod more stable during the reciprocating movement. The present invention adopts a circular formwork, and compared with the prior art, the ejection method is better.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a bottom view of the upper mold of the present invention;

Fig. 3 is a top view of the lower mold of the present invention.

In the figure: 1. Upper template; 2. Upper mold cover; 3. Guide sleeve and guide column; 4. Upper screw sleeve; 5. Lower mold pressure ring; 6. Lower mold cover; 7. Lower template; 8. Base; 9. Ejector; 10, lower sliding block; 11, lower feeding ring; 12, lower pad; 13, lower die; 14, upper die; 15, upper sliding block; 16, upper feeding ring; 17, upper pad ; 18, cover plate.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In order to solve the technical problem of low efficiency in forging production in the prior art and only one product is forged at a time, please refer to Figure 1-3 and provide the following technical solutions:

A double-station forging die includes an upper template 1 and a lower template 7, and the lower template 7 is located below the upper template 1;

Also includes:

The upper mold cover 2 is arranged on the lower end of the upper template 1, and the upper mold cover 2 and the upper template 1 are fixedly connected by positioning pins;

The lower mold cover 6 is arranged on the upper end of the lower template 7, and the lower mold cover 6 and the lower template 7 are fixedly connected by positioning pins;

Upper die 14, which is arranged in the inside of upper die cover 2, is provided with two forging punches on the upper die 14, and lower die 13, which is arranged in the inside of lower die cover 6, and the inside of lower die 13 is provided with two die cavities , by setting two forging punches and die cavities, the forging die is a double-station forging die. Compared with a single-station forging die, two products can be forged at one time, which improves production efficiency.

The base 8 is arranged under the lower mold 13 , and the inside of the base 8 is provided with a push rod 9 .

The upper formwork 1 and the lower formwork 7 are fixedly connected by guide sleeves and guide posts 3, and there are four guide sleeves and guide posts 3, and the guide sleeves and guide posts 3 play a guiding role.

The bottom of the lower mold 13 is provided with a lower pad 12 , and a lower punching ring 11 is arranged between the lower pad 12 and the base 8 .

The inside of the lower punching ring 11 is provided with a lower sliding block 10, and the lower sliding block 10 is fixedly connected with the ejector pin 9. The upper end of the lower sliding block 10 is provided with an intermediate ejector pin, and the intermediate ejector pin is located at the lower end of the cavity. Ejection, thereby moving the ejector pin 9 upwards, and then driving the lower sliding block 10 to move upwards, so that the middle ejector pin on the lower sliding block 10 will eject the product in the mold cavity, so that the product is demolded smoothly, and the lower sliding block 10 makes The middle push rod is more stable in the process of reciprocating movement.

The upper end of the lower mold cover 6 is provided with a lower mold pressure ring 5, and the lower mold pressure ring 5 is fixedly connected with the lower mold cover 6 by positioning pins, and the lower mold pressure ring 5 plays a sealing role.

The inside of the upper template 1 is provided with a cover plate 18, the lower end of the cover plate 18 is provided with an upper pad 17, an upper beating ring 16 is provided between the upper pad 17 and the upper mold 14, and the inside of the upper beating ring 16 is provided with The upper sliding block 15, the upper end of the upper sliding block 15 is connected to the hydraulic cylinder, the upper die sleeve 2 and the upper die 14 are connected by the upper screw sleeve 4, driven by the hydraulic cylinder, its output end can drive the upper sliding block 15 to do reciprocating motion , and then drive the upper die 14 to move down, the billet is extruded into a desired shape, and then the upper die 14 is lifted.

Working principle: In the double-station forging die proposed by the present invention, when the forging starts, put the blank into the two grooves of the lower die 13, start the hydraulic cylinder, and its output end can drive the upper sliding block 15 to reciprocate, and then Drive the upper die 14 to move down, extrude the billet into the desired shape, then lift the upper die 14, and then push it out through the oil cylinder, so that the ejector rod 9 moves upward, and then drives the lower sliding block 10 to move upward, making the lower slide The product in the mold cavity is ejected by the middle ejector pin on the block 10, so that the product demoulding is smooth.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (8)

1. A double-station forging die comprises an upper template (1) and a lower template (7), and the lower template (7) is positioned under the upper template (1); It is characterized in that it also includes: An upper mold cover (2), which is arranged on the lower end of the upper template (1), and the upper mold cover (2) is fixedly connected with the upper template (1) through positioning pins; The lower mold cover (6), which is arranged on the upper end of the lower template (7), and the lower mold cover (6) is fixedly connected with the lower template (7) through positioning pins; The upper die (14), which is arranged inside the upper die sleeve (2), is provided with two forging punches on the upper die (14); Lower mold (13), which is arranged in the inside of lower mold cover (6), and the inside of described lower mold (13) is provided with two mold cavities; The base (8) is arranged under the lower mold (13), and the inside of the base (8) is provided with a push rod (9). 2. A double-station forging die according to claim 1, characterized in that: the upper template (1) and the lower template (7) are fixedly connected by a guide sleeve and a guide post (3), and the guide sleeve There are four guide posts (3). 3. A double-station forging die according to claim 2, characterized in that: the bottom of the lower mold (13) is provided with a lower block (12), and the lower block (12) is connected to the base ( 8) A lower beating ring (11) is arranged between them. 4. A double-station forging die according to claim 3, characterized in that: a lower sliding block (10) is arranged inside the lower punching ring (11), and the lower sliding block (10) is connected to the top The rod (9) is fixedly connected, and the upper end of the lower sliding block (10) is provided with an intermediate push rod, and the intermediate push rod is located at the lower end of the mold cavity. 5. A double-station forging die according to claim 4, characterized in that: the upper end of the lower die sleeve (6) is provided with a lower die ring (5), and the lower die ring (5) is connected to the lower die ring (5). Die cover (6) is fixedly connected by positioning pin. 6. A double-station forging die according to claim 5, characterized in that: a cover plate (18) is provided inside the upper die plate (1), and an upper end of the cover plate (18) is provided with an upper A cushion block (17), an upper punching ring (16) is arranged between the upper cushion block (17) and the upper mold (14). 7. A double-station forging die according to claim 6, characterized in that: an upper sliding block (15) is arranged inside the upper beating ring (16), and the upper sliding block (15) The upper end is connected with a hydraulic cylinder. 8. A double-station forging die according to claim 7, characterized in that: the upper die sleeve (2) and the upper die (14) are connected by an upper screw sleeve (4).

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