CN210701945U

CN210701945U - Pneumatic forming die for thermal-state metal pipe parts

Info

Publication number: CN210701945U
Application number: CN201921095264.4U
Authority: CN
Inventors: 刘家源
Original assignee: Guangzhou Xincheng Human Resources Service Co Ltd
Current assignee: Guangzhou Xincheng Human Resources Service Co Ltd
Priority date: 2019-07-14
Filing date: 2019-07-14
Publication date: 2020-06-09
Anticipated expiration: 2029-07-14

Abstract

The utility model discloses a hot tubular metal resonator part pneumatic forming die, including bed plate, guide pin bushing, lower chamber piece, lower communicating pipe and pneumatic rod, be provided with guide pillar installation piece and cylinder installation piece on the bed plate, the top of guide pillar installation piece is provided with the guide pillar, the guide pillar embedding the guide pin bushing, the top of guide pin bushing is provided with the roof, the bottom of going up the roof is provided with the cantilever, the one end that the roof was kept away from to the cantilever is provided with the upper chamber piece, be provided with the upper die ejector pad in the upper chamber piece, the outside of going up the chamber piece all is provided with the communicating pipe, the communicating pipe sets up down the outside of lower chamber piece. This hot metal pipe part pneumatic forming die has the rubber circle through the opening packing of high-pressure inflation mouth, and the last closed tube after the combination passes through rubber circle embedding high-pressure inflation mouth with lower closed tube in, the leakproofness of assurance device, and the cylinder of being convenient for transmits compressed air in to the mould, goes up on the cavity piece laminating to the cavity piece down, and the device volume is less, the simple operation.

Description

Pneumatic forming die for thermal-state metal pipe parts

Technical Field

The utility model relates to a forming die technical field specifically is a hot tubular metal part pneumatic forming die.

Background

The metal pipe parts are mostly formed by adopting a hydraulic forming process, the hydraulic forming process utilizes the pressure of liquid to force the metal pipe to generate plastic deformation and to be attached to a mould, and the shape required by a product is formed so as to form the parts; however, the hydroforming process is limited by liquid, the tube part can be formed only at normal temperature through the hydroforming process, and the tube in a hot state cannot be used, so that the mechanical property of the tube part formed through the hydroforming process cannot be changed, and the tonnage of forming equipment required by the hydroforming process is high and reaches thousands of tons.

The air pressure forming is also called pressure forming or compressed air forming, and is a forming method for pressing and stretching a heated and softened material by an air compressor to enable the material to be tightly attached to the surface of a mold, and cooling and shaping are carried out to form a product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot tubular metal resonator class part pneumatic forming die to solve the pneumatic forming die on the existing market that above-mentioned background art provided bulky, and sealing performance is relatively poor, be not convenient for with the problem in the gas pressure indentation mould.

In order to achieve the above object, the utility model provides a following technical scheme: a hot metal tube part pneumatic forming die comprises a base plate, a guide sleeve, a lower cavity block, a lower communicating pipe and a pneumatic rod, wherein the base plate is provided with a guide pillar mounting block and a cylinder mounting block, the top end of the guide pillar mounting block is provided with a guide pillar, the guide pillar is embedded into the guide sleeve, the top end of the guide sleeve is provided with an upper top plate, the bottom of the upper top plate is provided with a cantilever, wherein,

an upper cavity block is arranged at one end, far away from an upper top plate, of the cantilever, an upper mold top block is arranged in the upper cavity block, a support column is arranged on the base plate, the lower cavity block is fixed at one end, far away from the base plate, of the support column, upper communicating pipes are arranged on the outer sides of the upper cavity block, and lower communicating pipes are arranged on the outer sides of the lower cavity block;

install the bull stick in the cylinder installation piece, the outside of bull stick is provided with the fixed block, install the cushion on the cylinder installation piece, be provided with the cylinder on the cylinder installation piece, the one end of cylinder is provided with high-pressure charging port, the pneumatic stem sets up the bottom of cylinder, the pneumatic stem is connected with the bed plate through the connecting piece.

Preferably, the guide pillar mounting blocks are four, the four guide pillar mounting blocks are symmetrically arranged on the base plate in pairs, the four guide pillar mounting blocks are provided with four guide sleeves and four guide pillars, and the guide sleeves are connected with the guide pillars in a sliding mode.

Preferably, cylinder installation piece and support column all are provided with two, two the equal symmetry of cylinder installation piece and support column sets up on the bed plate, two the support column is located two between the cylinder installation piece.

Preferably, a notch is formed in the lower cavity, two grooves are symmetrically formed in the surface of the upper cavity, and the grooves in the surface of the upper cavity are connected with the lower cavity in a clamping manner.

Preferably, the rotating rod penetrates through the cylinder mounting block and the fixing block, and the fixing block is rotatably connected with the cylinder mounting block through the rotating rod.

Preferably, the high-pressure inflation inlet is arranged on one side, close to the lower communicating pipe, of the air cylinder, and the outer diameter of the combined upper communicating pipe and the combined lower communicating pipe is equal to the inner diameter of the high-pressure inflation inlet.

Compared with the prior art, the beneficial effects of the utility model are that: the pneumatic forming die for the thermal-state metal pipe parts is provided with:

1. by arranging the upper communicating pipe and the lower communicating pipe, after the upper cavity block is attached to the lower cavity block, the upper communicating pipe and the lower communicating pipe are combined, the opening of the high-pressure inflation inlet is filled with the rubber ring, and the combined upper communicating pipe and the combined lower communicating pipe are embedded into the high-pressure inflation inlet through the rubber ring, so that the sealing performance of the device is ensured, and compressed air can be conveniently transmitted into a mold by an air cylinder;

2. the guide effect has been played through setting up guide pillar and guide pin bushing, and the back is installed on the press to the mould, drives the ejector plate through the press and moves down, goes up on the cavity piece laminates to the cavity piece down, goes up the mould ejector block in the cavity piece and processes the part of placing in cavity groove down, and the device volume is less, the simple operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the upper cavity block structure of the present invention;

fig. 3 is the utility model discloses the cylinder looks sideways at the structural schematic.

In the figure: 1. a base plate; 2. a guide post mounting block; 3. a guide sleeve; 4. an upper top plate; 5. a guide post; 6. a cylinder mounting block; 7. a cantilever; 8. an upper cavity block; 9. a lower cavity block; 10. an upper communicating pipe; 11. a lower communicating pipe; 12. a cylinder; 13. a rotating rod; 14. a pneumatic rod; 15. a connecting member; 16. a fixed block; 17. cushion blocks; 18. an upper die ejector block; 19. a support pillar; 20. a high-pressure inflation inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a hot metal tube part pneumatic forming die comprises a base plate 1, guide post mounting blocks 2, guide sleeves 3, an upper top plate 4, guide posts 5, a cylinder mounting block 6, a cantilever 7, an upper cavity block 8, a lower cavity block 9, an upper communicating pipe 10, a lower communicating pipe 11, a cylinder 12, a rotating rod 13, a pneumatic rod 14, a connecting piece 15, a fixing block 16, a cushion block 17, an upper mold top block 18, a support column 19 and a high-pressure inflation inlet 20, wherein the base plate 1 is provided with the guide post mounting blocks 2 and the cylinder mounting blocks 6, the guide post mounting blocks 2 are four, the four guide post mounting blocks 2 are symmetrically arranged on the base plate 1 in pairs, the four guide sleeves 3 and the guide posts 5 are arranged on the four guide post mounting blocks 2, the guide sleeves 3 are connected with the guide posts 5 in a sliding manner, the guide effect is achieved by arranging the guide posts 5 and the guide sleeves 3, and the upper top plate 4 can conveniently move downwards along the guide posts 5, the top end of the guide post mounting block 2 is provided with a guide post 5, the guide post 5 is embedded into the guide sleeve 3, the top end of the guide sleeve 3 is provided with an upper top plate 4, the bottom of the upper top plate 4 is provided with a cantilever 7, wherein,

an upper cavity block 8 is arranged at one end, far away from an upper top plate 4, of the cantilever 7, an upper mold top block 18 is arranged in the upper cavity block 8, a support column 19 is arranged on the base plate 1, the lower cavity block 9 is fixed at one end, far away from the base plate 1, of the support column 19, a notch is formed in the lower cavity block 9, two grooves are symmetrically formed in the surface of the upper cavity block 8, the grooves in the surface of the upper cavity block 8 are connected with the lower cavity block 9 in a clamping mode, the notches in the lower cavity block 9 are convenient for part prevention, the sealing performance of the device is guaranteed due to the clamping connection of the upper cavity block 8 and the lower cavity block 9, upper communicating pipes 10 are arranged on the outer sides of the upper cavity block 8, and lower communicating pipes 11 are arranged on the outer sides of;

a rotating rod 13 is installed in the cylinder installation block 6, a fixed block 16 is arranged on the outer side of the rotating rod 13, the rotating rod penetrates through the cylinder installation block and the fixed block, the fixed block and the cylinder installation block are rotatably connected through the rotating rod, a cylinder 12 fixed on the fixed block 16 is pushed by a pneumatic rod 14 to rotate around the cylinder installation block 6, so that the cylinder installation block and the cylinder installation block are embedded with an upper communicating pipe 10 and a lower communicating pipe 11 after combination, two cylinder installation blocks 6 and two supporting columns 19 are arranged on the base plate 1, the two supporting columns 19 are positioned between the two cylinder installation blocks 6, a lower cavity block 9 is fixedly arranged on the supporting columns 19, a cushion block 17 is installed on the cylinder installation block 6, a cylinder 12 is arranged on the cylinder installation block 6, and one end of the cylinder 12 is provided with a high-pressure inflation port 20, high pressure inflation inlet 20 sets up in cylinder 12 and is close to one side of lower well head 11, go up well head 10 and well head 11 and merge the back external diameter and high pressure inflation inlet 20's internal diameter equal with well head 11 down, through setting up well head 10 and well head 11 down, after last chamber piece 8 laminating lower chamber piece 9, go up well head 10 and well head 11 and merge down, the opening packing of high pressure inflation inlet 20 has the rubber circle, and the last well head 10 after merging and well head 11 pass through in rubber circle embedding high pressure inflation inlet 20, guarantee the leakproofness of device, be convenient for cylinder 12 to the mould internal transmission compressed air, pneumatic rod 14 sets up cylinder 12's bottom, pneumatic rod 14 is connected with bed plate 1 through connecting piece 15.

The working principle is as follows: when the hot metal pipe part pneumatic forming die is used, firstly, a hot part to be processed is placed into a notch of a lower cavity block 9, the die is installed on a press machine, an upper top plate 4 is driven to move downwards by the press machine, the upper top plate 4 slides in a guide post 5 through a guide sleeve 3 on the periphery, the situation that the downward pressing process of the upper top plate 4 is not easy to deviate is ensured, an upper cavity block 8 fixedly connected with the upper top plate 4 moves downwards through a cantilever 7, the upper cavity block 8 is connected with the lower cavity block 9 in a clamping manner, an upper mold top block 18 in the upper cavity block 8 acts on the part to be processed for processing, simultaneously, an upper communicating pipe 10 and a lower communicating pipe 11 on two sides of the upper cavity block 8 and the lower cavity block 9 are combined, a pneumatic rod 14 pushes a cylinder 12 fixed on a fixing block 16 to rotate around a cylinder installation block 6, so as to be embedded with the combined upper communicating pipe 10 and lower communicating pipe 11, the cylinder 12 conveys compressed air into the communicating pipe, the air pressure in the cavity block is gradually increased to ensure that the unformed hot part to be processed is completely attached to the inner wall of the cavity block, and the part forming is finished, and the content which is not described in detail in the description belongs to the prior art which is known by persons skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a hot tubular metal part pneumatic forming die, includes bed plate (1), guide pin bushing (3), lower chamber piece (9), lower well UNICOM's pipe (11) and pneumatic rod (14), its characterized in that: a guide post mounting block (2) and a cylinder mounting block (6) are arranged on the base plate (1), a guide post (5) is arranged at the top end of the guide post mounting block (2), the guide post (5) is embedded into the guide sleeve (3), an upper top plate (4) is arranged at the top end of the guide sleeve (3), a cantilever (7) is arranged at the bottom of the upper top plate (4), wherein,

an upper cavity block (8) is arranged at one end, far away from an upper top plate (4), of the cantilever (7), an upper mold top block (18) is arranged in the upper cavity block (8), a support column (19) is arranged on the base plate (1), the lower cavity block (9) is fixed at one end, far away from the base plate (1), of the support column (19), upper communicating pipes (10) are arranged on the outer sides of the upper cavity block (8), and the lower communicating pipes (11) are arranged on the outer sides of the lower cavity block (9);

install bull stick (13) in cylinder installation piece (6), the outside of bull stick (13) is provided with fixed block (16), install cushion (17) on cylinder installation piece (6), be provided with cylinder (12) on cylinder installation piece (6), the one end of cylinder (12) is provided with high-pressure charging port (20), pneumatic stem (14) set up the bottom of cylinder (12), pneumatic stem (14) are connected with bed plate (1) through connecting piece (15).

2. The hot metal tube part pneumatic forming die as claimed in claim 1, wherein: the base plate is characterized in that the number of the guide post mounting blocks (2) is four, the four guide post mounting blocks (2) are symmetrically arranged on the base plate (1) in pairs, the four guide post mounting blocks (2) are provided with four guide sleeves (3) and guide posts (5), and the guide sleeves (3) are connected with the guide posts (5) in a sliding mode.

3. The hot metal tube part pneumatic forming die as claimed in claim 1, wherein: the cylinder installation blocks (6) and the support columns (19) are arranged two by two, the cylinder installation blocks (6) and the support columns (19) are symmetrically arranged on the base plate (1), and the support columns (19) are arranged between the cylinder installation blocks (6).

4. The hot metal tube part pneumatic forming die as claimed in claim 1, wherein: the inner cavity structure is characterized in that a notch is formed in the lower cavity block (9), two grooves are symmetrically formed in the surface of the upper cavity block (8), and the grooves in the surface of the upper cavity block (8) are connected with the lower cavity block (9) in a clamping mode.

5. The hot metal tube part pneumatic forming die as claimed in claim 1, wherein: the rotating rod (13) penetrates through the cylinder mounting block (6) and the fixing block (16), and the fixing block (16) is rotatably connected with the cylinder mounting block (6) through the rotating rod (13).

6. The hot metal tube part pneumatic forming die as claimed in claim 1, wherein: the high-pressure inflation inlet (20) is arranged on one side, close to the lower communicating pipe (11), of the cylinder (12), and the outer diameter of the combined upper communicating pipe (10) and the combined lower communicating pipe (11) is equal to the inner diameter of the high-pressure inflation inlet (20).