CN214601709U

CN214601709U - Forging die

Info

Publication number: CN214601709U
Application number: CN202120250781.5U
Authority: CN
Inventors: 杨伟; 桑爱卫; 李天顺
Original assignee: Xinyang Hangti Precision Technology Co ltd
Current assignee: Xinyang Hangti Precision Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-05
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a forging die, which comprises a bottom plate, a lower die arranged on the bottom plate and an upper die arranged corresponding to the lower die, wherein a forging piece cavity is formed between the upper die and the lower die; the middle part of the bottom end of the lower die is provided with an installation chamber; the mounting chamber is divided into a driving chamber and a lifting chamber; a driving motor is arranged in the driving chamber, rotating shafts are arranged on two sides of the driving motor, and the rotating shafts are in transmission connection with the output end of the driving motor through a belt; two ends of the rotating shaft are respectively and rotatably connected with the bottom plate and the partition plate, and the upper end of the rotating shaft is fixedly connected with the threaded rod; the upper end of the threaded rod is rotatably connected with the upper end of the mounting chamber; a lifting plate is arranged in the lifting chamber, a threaded rod is in threaded connection with the lifting plate, a first ejector rod is fixedly connected to the upper surface of the lifting plate, clamping blocks are arranged at the left end and the right end of the lifting plate, and the clamping blocks are clamped in the vertical sliding grooves; the first ejector rod penetrates through the lower die and is communicated with the forging die cavity; the upper surface of the partition plate is provided with two elastic telescopic mechanisms.

Description

Forging die

Technical Field

The utility model relates to a forge mould technical field, specifically be a forge mould.

Background

Forging, which is known to be the oldest metal forming process, can be defined as the process of forming a piece of metal, which has been conventionally heat-modified to improve plasticity, into a desired shape using a hammer or press. The die forging is a process in which a metal is heated to be in a liquid or softened state, and then the metal is placed in a die, and the die is once formed by closing an upper die and a lower die of the die, and sometimes the metal needs to be formed many times. The difference between the die forging and the casting is that the heated molten metal is directly poured into a model, the die forging also needs to be closed through an upper die and a lower die, and extrusion force is applied in the forming process, so the structure and the mechanical property of the die forging are better than those of a casting part, and the die forging is generally adopted instead of manual forging like the complex and large-batch formation of some shapes.

The existing forging die adopts a spring type thimble for discharging or an air cylinder type thimble for discharging, once the gravity of a forging piece exceeds the elastic force generated by spring compression, the discharging cannot be finished, the material clamping phenomenon is easy to occur, the air cylinder type ejection is relatively energy-consuming, the forging die is easy to damage after multiple use times, and the maintenance and replacement cost is relatively low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forging mould to solve and provide the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a forging die comprises a bottom plate, a lower die arranged on the bottom plate and an upper die arranged corresponding to the lower die, wherein a forging piece cavity is formed between the upper die and the lower die; the middle part of the bottom end of the lower die is provided with an installation chamber; the installation chamber is divided into a driving chamber and a lifting chamber above the driving chamber by a partition plate fixed on the inner wall of the installation chamber; a driving motor is arranged in the driving chamber, rotating shafts are arranged on two sides of the driving motor, and the rotating shafts are in transmission connection with the output end of the driving motor through a belt; two ends of the rotating shaft are respectively and rotatably connected with the bottom plate and the partition plate, and the upper end of the rotating shaft penetrates through the partition plate and is fixedly connected with a threaded rod positioned in the lifting chamber; the upper end of the threaded rod is rotatably connected with the upper end of the mounting chamber; a lifting plate is arranged in the lifting chamber, the threaded rod penetrates through the lifting plate and is in threaded connection with the lifting plate, a first ejector rod for ejecting a forge piece is fixedly connected to the upper surface of the lifting plate, clamping blocks are arranged at the left end and the right end of the lifting plate, and the clamping blocks are clamped in vertical sliding grooves formed in the side wall of the mounting chamber; the first ejector rod penetrates through the lower die and is communicated with the forging piece cavity; the upper surface of the partition plate is positioned on two sides of the first ejector rod, and two elastic telescopic mechanisms used for ejecting the forged piece are symmetrically arranged on the two sides of the first ejector rod.

Furthermore, the elastic telescopic mechanism comprises a sleeve arranged on the upper surface of the partition plate, a pushing disc positioned in the sleeve, a return spring arranged in the sleeve and below the pushing disc, and a second ejector rod arranged on the upper surface of the pushing disc and used for ejecting a forge piece; the diameter of the pushing disc is larger than that of an outlet at the upper part of the sleeve; the pushing disc and the second ejector rod can move up and down in the sleeve, and the second ejector rod penetrates through the lifting plate and the lower die in sequence and is communicated with the forging die cavity.

Furthermore, a tenon is arranged in the middle of the upper surface of the upper die, and a fixing hole is formed in the upper end of the tenon; guide rods extending towards the lower die are arranged on two sides of the upper die, and guide sleeves corresponding to the guide rods are arranged on two sides of the lower die; the bottom plate is provided with a plurality of connecting holes.

Further, a heat insulation layer is arranged on the inner wall of the driving chamber, and heat dissipation holes convenient for heat dissipation of the driving motor are formed in the bottom plate below the driving chamber.

Further, the height of the lowest end of the vertical chute is higher than that of the upper edge of the sleeve; and when the fixture block is positioned at the lowest end of the vertical chute, the upper end of the first ejector rod is immersed in the lower die.

Furthermore, the second ejector rod is connected with the lifting plate in a sliding mode, and a linear motion bearing used for reducing friction force between the lifting plate and the second ejector rod is embedded in the sliding connection position of the lifting plate and the second ejector rod.

Furthermore, a plurality of vent holes are formed in the pushing disc.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model is provided with an elastic telescopic mechanism, when the upper die rises, the reset spring drives the second ejector rod to jack the forging piece, so that the forging piece is separated from the lower die, and the worker can conveniently take materials; 2. the utility model discloses be provided with first ejector pin, when elastic telescoping mechanism because forging weight is great or when breaking down, can start driving motor, utilize first ejector pin with forging jack-up, make it break away from the bed die smoothly.

Drawings

FIG. 1 is a sectional view of the mold closing structure of the present invention;

FIG. 2 is a sectional view of the mold opening structure of the present invention;

fig. 3 is a partial enlarged view of a point a of the present invention.

Reference numerals: 1-a bottom plate; 2-lower mould; 3, mounting a mold; 4-tenon; 5-fixing holes; 6, a guide sleeve; 7-a guide rod; 8-connecting holes; 9-forging die cavity; 10-an installation chamber; 11-a partition plate; 12-a thermally insulating layer; 13-a lifting plate; 14-a drive motor; 15-a rotating shaft; 16-a threaded rod; 17-a first ejector rod; 18-a second ejector rod; 19-a return spring; 20-a sleeve; 21-a fixture block; 22-linear motion bearing; 23-a push disk; 24-a vertical chute; 25-a vent hole; 26-heat dissipation holes.

Detailed Description

The technical solution of the present invention will be further described with reference to fig. 1-3 and the following examples. As shown in fig. 1-3, a forging die comprises a bottom plate 1, a lower die 2 arranged on the bottom plate 1, and an upper die 3 arranged corresponding to the lower die 2, wherein a forging cavity 9 is formed between the upper die 3 and the lower die 2; a tenon 4 is arranged in the middle of the upper surface of the upper die 3, and a fixing hole 5 is formed in the upper end of the tenon 4; guide rods 7 extending towards the lower die 2 are arranged on two sides of the upper die 3, and guide sleeves 6 corresponding to the guide rods 7 are arranged on two sides of the lower die 2; the bottom plate 1 is provided with a plurality of connecting holes 8. When in use, the upper surface of the base is arranged on the forging machine by utilizing the fixing hole on the tenon, and the base and the lower surface are arranged on the workbench by utilizing the connecting hole.

The middle part of the bottom end of the lower die 2 is provided with an installation chamber 10; the installation chamber 10 is divided into a driving chamber and a lifting chamber above the driving chamber by a partition plate 11 fixed on the inner wall of the installation chamber 10. A driving motor 14 is arranged in the driving chamber, rotating shafts 15 are arranged on two sides of the driving motor 14, and the rotating shafts 15 are in transmission connection with the output end of the driving motor 14 through a belt; two ends of the rotating shaft 15 are respectively connected with the bottom plate 1 and the partition plate 11 in a rotating manner, and the upper end of the rotating shaft penetrates through the partition plate 11 and is fixedly connected with a threaded rod 16 positioned in the lifting chamber; the upper end of the threaded rod 16 is rotatably connected with the upper end of the mounting chamber 10; a lifting plate 13 is arranged in the lifting chamber, the threaded rod 16 penetrates through the lifting plate 13 and is in threaded connection with the lifting plate, a first ejector rod 17 for ejecting a forge piece is fixedly connected to the upper surface of the lifting plate 13, clamping blocks 21 are arranged at the left end and the right end of the lifting plate 13, and the clamping blocks 21 are clamped in vertical sliding grooves 24 formed in the side wall of the mounting chamber 10; the first ejector rod 17 penetrates through the lower die 2 and is communicated with the forging piece cavity 9; the height of the lowermost end of the vertical chute 24 is higher than the height of the upper edge of the sleeve 20; and when the fixture block 21 is located at the lowest end of the vertical sliding groove 24, the upper end of the first ejector rod 17 is immersed in the lower die 2, namely, when the first ejector rod 17 is not suitable for use, the first ejector rod 17 is retracted into the lower die, so that the upper end of the first ejector rod 17 is prevented from influencing a forged piece.

The inner wall of the driving chamber is provided with a heat insulation layer 12, and a heat dissipation hole 26 convenient for the driving motor 14 to dissipate heat is arranged on the bottom plate below the driving chamber. Because the forging often the temperature is higher, consequently the influence that the lower mould received the forging can lead to the temperature of lower mould also on the high side, sets up the insulating layer and can prevent that the temperature in the driving chamber is too high and influence driving motor's operation.

Two elastic telescopic mechanisms for ejecting the forged piece are symmetrically arranged on the two sides of the first ejector rod 17 on the upper surface of the partition plate 11. The elastic telescopic mechanism comprises a sleeve 20 arranged on the upper surface of the partition plate 11, a push disc 23 positioned in the sleeve 20, a return spring 19 arranged in the sleeve 20 and below the push disc 23, and a second ejector rod 18 arranged on the upper surface of the push disc 23 and used for ejecting a forged piece; the diameter of the push disc 23 is larger than that of the outlet at the upper part of the sleeve 20; the pushing disc 23 and the second ejector rod 18 can move up and down in the sleeve 20, and the second ejector rod 18 sequentially penetrates through the lifting plate 13 and the lower die 2 to be communicated with the forging piece cavity 9; the second top rod 18 is slidably connected with the lifting plate 13, and a linear motion bearing 22 for reducing the friction force between the lifting plate 13 and the second top rod 18 is embedded in the sliding connection part of the lifting plate 13 and the second top rod 18. The push disc 23 is provided with a plurality of vent holes 25, so that the situation that the air pressure in the sleeve is too large to move downwards when the push disc moves up and down in the sleeve is effectively prevented. Set up linear motion bearing and can effectively reduce frictional force, it is more smooth and easy to slip when making the lifting plate shift up, prevents the bite from appearing.

The working principle is as follows: the utility model discloses a set up tenon 4 on last mould 3, when the installation, only need insert the tongue-and-groove on the forging press with tenon 4 in, utilize the fixed orifices to fix simultaneously. The base is mounted on the table together with the lower face by means of the attachment holes. During forging, the blank is heated and forged into a designed size, and the blank is placed in a forging piece cavity 9 of a lower die. The upper die 3 moves downwards under the driving of the forging press, and the forge piece is forged and formed at one time. Then the upper die 3 rises, the return spring drives the second ejector rod to jack up, the forge piece is separated from the lower die, and a worker can take away the forge piece to complete a forging process; when the reset spring is clamped and the forged piece cannot be separated, the driving motor is started, the first ejector rod jacks up, the forged piece is separated from the lower die, and after demolding is completed, the second ejector rod falls back to the interior of the lower die to complete a forging process.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a forge mould, includes bottom plate (1), sets up lower mould (2) on bottom plate (1) and corresponds last mould (3) that set up with lower mould (2), its characterized in that: a forging piece cavity (9) is formed between the upper die (3) and the lower die (2);

an installation chamber (10) is formed in the middle of the bottom end of the lower die (2); the installation chamber (10) is divided into a driving chamber and a lifting chamber above the driving chamber by a partition plate (11) fixed on the inner wall of the installation chamber (10); a driving motor (14) is arranged in the driving chamber, rotating shafts (15) are arranged on two sides of the driving motor (14), and the rotating shafts (15) are in transmission connection with the output end of the driving motor (14) through a belt; two ends of the rotating shaft (15) are respectively rotatably connected with the bottom plate (1) and the partition plate (11), and the upper end of the rotating shaft penetrates through the partition plate (11) and is fixedly connected with a threaded rod (16) positioned in the lifting chamber; the upper end of the threaded rod (16) is rotatably connected with the upper end of the mounting chamber (10); a lifting plate (13) is arranged in the lifting chamber, the threaded rod (16) penetrates through the lifting plate (13) and is in threaded connection with the lifting plate, a first ejector rod (17) for ejecting a forge piece is fixedly connected to the upper surface of the lifting plate (13), clamping blocks (21) are arranged at the left end and the right end of the lifting plate (13), and the clamping blocks (21) are clamped in vertical sliding grooves (24) formed in the side wall of the mounting chamber (10); the first ejector rod (17) penetrates through the lower die (2) and is communicated with the forging piece cavity (9); two elastic telescopic mechanisms for ejecting the forged piece are symmetrically arranged on the two sides of the first ejector rod (17) on the upper surface of the partition plate (11).

2. A forging die as set forth in claim 1, wherein: the elastic telescopic mechanism comprises a sleeve (20) arranged on the upper surface of the partition plate (11), a pushing disc (23) positioned in the sleeve (20), a return spring (19) arranged in the sleeve (20) and positioned below the pushing disc (23), and a second ejector rod (18) which is arranged on the upper surface of the pushing disc (23) and used for ejecting a forge piece; the diameter of the pushing disc (23) is larger than that of an outlet at the upper part of the sleeve (20); the pushing disc (23) and the second ejector rod (18) can move up and down in the sleeve (20), and the second ejector rod (18) sequentially penetrates through the lifting plate (13) and the lower die (2) to be communicated with the forging die cavity (9).

3. A forging die as set forth in claim 1, wherein: a tenon (4) is arranged in the middle of the upper surface of the upper die (3), and a fixing hole (5) is formed in the upper end of the tenon (4); guide rods (7) extending towards the lower die (2) are arranged on two sides of the upper die (3), and guide sleeves (6) corresponding to the guide rods (7) are arranged on two sides of the lower die (2); the bottom plate (1) is provided with a plurality of connecting holes (8).

4. A forging die as set forth in claim 1, wherein: the inner wall of the driving chamber is provided with a heat insulation layer (12), and a heat dissipation hole (26) convenient for the driving motor (14) to dissipate heat is arranged on the bottom plate below the driving chamber.

5. A forging die as set forth in claim 2, wherein: the height of the lowest end of the vertical chute (24) is higher than that of the upper edge of the sleeve (20); and when the clamping block (21) is positioned at the lowest end of the vertical sliding groove (24), the upper end of the first ejector rod (17) is immersed in the lower die (2).

6. A forging die as set forth in claim 2, wherein: the second ejector rod (18) is in sliding connection with the lifting plate (13), and a linear motion bearing (22) used for reducing friction force between the lifting plate (13) and the second ejector rod (18) is embedded in the sliding connection position of the lifting plate (13) and the second ejector rod (18).

7. A forging die as set forth in claim 2, wherein: the pushing disc (23) is provided with a plurality of vent holes (25).