CN216705583U

CN216705583U - Hydraulic forming die for automobile pipe fittings

Info

Publication number: CN216705583U
Application number: CN202220080923.2U
Authority: CN
Inventors: 万奇; 文亚涛
Original assignee: Suzhou Shenyue Electromechanical Co ltd
Current assignee: Suzhou Shenyue Electromechanical Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-06-10
Anticipated expiration: 2032-01-13

Abstract

The utility model belongs to the technical field of hydraulic forming dies, and particularly relates to an automobile pipe fitting hydraulic forming die which aims at solving the problems that in the prior art, after a pipe fitting is bent, a worker needs to manually take out the pipe fitting, the pipe fitting is attached to a die groove after being bent, the pipe fitting is inconvenient to take out, and the labor intensity is increased. The automatic pipe-stripping die is convenient to operate, can automatically push the pipe out of the die groove after the pipe is stamped, is convenient to strip and take out, saves manpower, and reduces working difficulty.

Description

Hydraulic forming die for automobile pipe fittings

Technical Field

The utility model relates to the technical field of hydraulic forming dies, in particular to a hydraulic forming die for an automobile pipe fitting.

Background

Automobile pipe spare is according to the needs that use after the preparation, often bends through hydraulic mould, and concrete mode places the pipe fitting in the model groove, and the cooperation that utilizes last mould and lower mould carries out hydraulic pressure punching press crooked.

However, after the pipe fitting is bent in the prior art, the pipe fitting needs to be manually taken out by a worker, and the bent pipe fitting is attached to the model groove, so that the pipe fitting is inconvenient to take out, and the labor intensity is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that in the prior art, after a pipe fitting is bent, a worker needs to manually take the pipe fitting out, and the pipe fitting is not convenient to take out due to the fact that the bent pipe fitting is attached to a model groove, and the labor intensity is increased.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an automobile pipe fitting hydraulic forming mould, the on-line screen storage device comprises a base, lower mould and last mould, four bracing pieces are installed at the top of base, same roof is installed at the top of four bracing pieces, there are two pneumatic cylinders bottom of roof, the output shaft of two pneumatic cylinders all links to each other with the top of last mould, the mold core is installed to the bottom of last mould, the mould groove has been seted up at the top of base, mold core and mould groove looks adaptation, the cavity has been seted up on the lower mould, be provided with the flexible demoulding mechanism of atmospheric pressure in the cavity, the end of the flexible demoulding mechanism of atmospheric pressure extends to the mould inslot, two hook-bar pneumatic mechanism are installed at the top of base, cooperation mechanism is all installed to the both sides of going up the mould, cooperation mechanism links to each other with the hook-bar pneumatic mechanism that corresponds.

Preferably, the air-pressure telescopic demolding mechanism comprises an air pressure cylinder, a demolding rod is slidably mounted in the air pressure cylinder, the top end of the demolding rod extends to the inner wall of the bottom of the mold groove, and a balancing weight is mounted at the bottom end of the demolding rod.

Preferably, the hook rod pneumatic mechanism comprises a cylinder, a piston is slidably mounted in the cylinder, a pressure rod is mounted at the top end of the piston, one end of an air pipe is mounted on the outer side of the cylinder, and the other end of the air pipe is communicated with the pneumatic cylinder.

Preferably, the top of pressure bar extends to the top of a cylinder section of thick bamboo and has seted up flexible groove, and slidable mounting has the telescopic link in the flexible groove, and the trapezoidal piece is installed on the top of telescopic link.

Preferably, the limiting groove is formed in the outer side of the telescopic rod, a limiting block is slidably mounted in the limiting groove, and the limiting block is connected with the top end of the pressure rod.

Preferably, the matching mechanism comprises an elastic cylinder, an elastic rod is slidably mounted on the outer side of the elastic cylinder, the same tension spring is mounted between the elastic rod and the elastic cylinder, a pull rod is mounted at the outer end of the elastic rod, a hook rod is mounted at the inner end of the pull rod, and the hook rod is in one-way clamping connection with the corresponding trapezoidal block.

Compared with the prior art, the utility model has the advantages that:

according to the scheme, the upper die is pushed by the two hydraulic cylinders to move downwards, the upper die pushes the die core to enter the die groove to extrude the pipe fitting, so that the pipe fitting is bent, and meanwhile, the upper die drives the two elastic cylinders to move downwards, so that the trapezoidal block is abutted against the corresponding hook rod and then moves to the position above the hook rod;

this scheme drives mold core upward movement and leaves mould type groove through last mould, the hooked pole slides in flexible groove through trapezoidal piece pulling telescopic link simultaneously, the stopper slides in the spacing groove, it is inconsistent until the bottom inner wall of stopper and spacing groove, the telescopic link drives pressure bar upward movement, at this moment, it has left mould type groove to go up the mould drive mold core, pressure bar drives the piston and slides in the cylinder, it is inside that gas gets into the pressure cylinder through the trachea after receiving the compression, two demoulding bars receive the promotion upward movement of atmospheric pressure, two demoulding bars promote the pipe fitting upward movement and leave the model groove, the convenience is taken out the pipe fitting.

The automatic pipe-pushing device is convenient to operate, can automatically push the pipe out of the model groove after the pipe is punched, is convenient to demould and take out, saves labor and reduces working difficulty.

Drawings

FIG. 1 is a schematic structural view of a hydraulic forming mold for an automobile pipe fitting according to the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a portion B shown in FIG. 1 according to the present invention;

fig. 4 is a schematic perspective view of the trapezoidal block, the hook rod and the pull rod according to the present invention.

In the figure: 1. a base; 2. a support bar; 3. a top plate; 4. a hydraulic cylinder; 5. an upper die; 6. a mold core; 7. a lower die; 8. a mould groove; 9. a cavity; 10. an air pressure cylinder; 11. a stripper bar; 12. a balancing weight; 13. an air tube; 14. a cylindrical barrel; 15. a piston; 16. a pressure lever; 17. a telescopic rod; 18. a limiting groove; 19. a telescopic groove; 20. a limiting block; 21. a trapezoidal block; 22. an elastic cylinder; 23. a tension spring; 24. an elastic rod; 25. a pull rod; 26. a hook rod.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, an automobile pipe fitting hydraulic forming die, including base 1, lower mould 7 and last mould 5, four bracing pieces 2 are installed at the top of base 1, same roof 3 is installed at the top of four bracing pieces 2, there are two pneumatic cylinders 4 bottom roof 3, the output shaft of two pneumatic cylinders 4 all links to each other with the top of last mould 5, mould core 6 is installed to the bottom of last mould 5, mould groove 8 has been seted up at the top of base 1,

mould core

6 and 8 looks adaptations of mould groove, cavity 9 has been seted up on lower mould 7, be provided with the flexible demoulding mechanism of atmospheric pressure in the cavity 9, the end of the flexible demoulding mechanism of atmospheric pressure extends to in the mould groove 8, two hook bar pneumatic mechanisms are installed at the top of base 1, cooperation mechanism is all installed to the both sides of last mould 5, cooperation mechanism links to each other with the hook bar pneumatic mechanism that corresponds.

In this embodiment, the pneumatic telescopic demolding mechanism includes a pneumatic cylinder 10, a demolding rod 11 is slidably mounted in the pneumatic cylinder 10, the top end of the demolding rod 11 extends to the inner wall of the bottom of the mold groove 8, and a balancing weight 12 is mounted at the bottom end of the demolding rod 11; after the demoulding is finished, the demoulding rod 11 is reset under the action of the gravity of the balancing weight 12.

In this embodiment, the hook rod pneumatic mechanism includes a cylindrical barrel 14, a piston 15 is slidably mounted in the cylindrical barrel 14, a pressure rod 16 is mounted at the top end of the piston 15, one end of an air pipe 13 is mounted on the outer side of the cylindrical barrel 14, the other end of the air pipe 13 is communicated with the pneumatic barrel 10, the top end of the pressure rod 16 extends to the top end of the cylindrical barrel 14 and is provided with a telescopic groove 19, a telescopic rod 17 is slidably mounted in the telescopic groove 19, a trapezoidal block 21 is mounted at the top end of the telescopic rod 17, a limit groove 18 is formed in the outer side of the telescopic rod 17, a limit block 20 is slidably mounted in the limit groove 18, and the limit block 20 is connected with the top end of the pressure rod 16; the hook rod 26 pulls the telescopic rod 17 to slide in the telescopic groove 19 through the trapezoid block 21, the limiting block 20 slides in the limiting groove 18 until the limiting block 20 is abutted against the inner wall of the bottom of the limiting groove 18, and the telescopic rod 17 drives the pressure rod 16 to move upwards.

In this embodiment, the matching mechanism includes an elastic cylinder 22, an elastic rod 24 is slidably mounted on the outer side of the elastic cylinder 22, a tension spring 23 is mounted between the elastic rod 24 and the elastic cylinder 22, a pull rod 25 is mounted at the outer end of the elastic rod 24, a hook rod 26 is mounted at the inner end of the pull rod 25, and the hook rod 26 is in one-way clamping connection with the corresponding trapezoidal block 21; the tension spring 23 provides tension for the pull rod 25 and the hook rod 26 through the elastic rod 24, so that the hook rod 26 and the trapezoidal blocks 21 can be clamped in a one-way mode.

The working principle is that when the bending stamping die is used, a pipe fitting is placed in a model groove 8, two hydraulic cylinders 4 are started to push an upper die 5 to move downwards, the upper die 5 pushes a die core 6 to enter the model groove 8 to extrude the pipe fitting, the pipe fitting is bent, meanwhile, the upper die 5 drives two elastic cylinders 22 to move downwards, a trapezoidal block 21 is enabled to move above a hook rod 26 after being contacted with a corresponding hook rod 26, after the bending stamping is completed, the upper die 5 drives the die core 6 to move upwards and leave the model groove 8, meanwhile, the hook rod 26 pulls a telescopic rod 17 to slide in a telescopic groove 19 through the trapezoidal block 21, a limiting block 20 slides in a limiting groove 18 until the limiting block 20 is contacted with the inner wall at the bottom of the limiting groove 18, the telescopic rod 17 drives a pressure rod 16 to move upwards, at the moment, the upper die 5 drives the die core 6 to leave the model groove 8, the pressure rod 16 drives a piston 15 to slide in a cylindrical barrel 14, and gas enters the air pressure barrel 10 through an air pipe 13 after being compressed, two ejector pins 11 receive the promotion upward movement of atmospheric pressure, and two ejector pins 11 promote the pipe fitting upward movement and leave model groove 8, conveniently take out the pipe fitting, and two pull rods 25 of pulling keep away from each other, and two pull rods 25 drive two hook bars 26 and two trapezoidal pieces 21 separation, and under the action of gravity, telescopic link 17 downstream resets, and under the action of gravity of balancing weight 12, ejector pins 11 resets simultaneously, can continue to use.

Example two

Referring to fig. 1, a hydraulic forming die for automobile pipe fittings comprises a base 1, a lower die 7 and an upper die 5, wherein four support rods 2 are installed at the top of the base 1, the same top plate 3 is installed at the tops of the four support rods 2, two hydraulic cylinders 4 are arranged at the bottom of the top plate 3, output shafts of the two hydraulic cylinders 4 are connected with the top of the upper die 5, a die core 6 is installed at the bottom of the upper die 5, a die groove 8 is formed in the top of the base 1, the die core 6 is matched with the die groove 8, a cavity 9 is formed in the lower die 7, an air pressure telescopic demolding mechanism is arranged in the cavity 9, the end of the air pressure telescopic demolding mechanism extends into the die groove 8, a switch cylinder 14 is installed at the top of the base 1, pistons 15 are installed in the cylinder 14 in a sliding manner, push rod motors are arranged at the tops of the two cylinder 14, the output shafts of the two push rod motors are connected with the two pistons 15, one end of an air pipe 13 is installed at the outer side of the cylinder 14, the other end of the air pipe 13 is communicated with the air cylinder 10.

The difference between the second embodiment and the first embodiment is that: promote two pistons 15 movements through two push rod motors, realize the conduction of atmospheric pressure, inside atmospheric pressure got into two pneumatic cylinders 10 through two trachea 13, all structures in this application all can carry out the selection of material and length according to the in-service use condition, and the attached drawing is the schematic structure picture, and suitable adjustment can be made to specific actual size.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A hydraulic forming die for automobile pipe fittings comprises a base (1), a lower die (7) and an upper die (5), and is characterized in that four support rods (2) are mounted at the top of the base (1), the same top plate (3) is mounted at the tops of the four support rods (2), two hydraulic cylinders (4) are arranged at the bottom of the top plate (3), output shafts of the two hydraulic cylinders (4) are connected with the top of the upper die (5), a die core (6) is mounted at the bottom of the upper die (5), a die groove (8) is formed in the top of the base (1), the die core (6) is matched with the die groove (8), a cavity (9) is formed in the lower die (7), an air pressure telescopic demolding mechanism is arranged in the cavity (9), the end of the air pressure telescopic demolding mechanism extends into the die groove (8), two hook rod air pressure mechanisms are mounted at the top of the base (1), matching mechanisms are mounted on two sides of the upper die (5), the matching mechanism is connected with the corresponding hook rod pneumatic mechanism.

2. The hydraulic forming die for the automobile pipe fittings as claimed in claim 1, wherein the pneumatic telescopic demolding mechanism comprises a pneumatic cylinder (10), a demolding rod (11) is slidably mounted in the pneumatic cylinder (10), the top end of the demolding rod (11) extends to the inner wall of the bottom of the molding groove (8), and a balancing weight (12) is mounted at the bottom end of the demolding rod (11).

3. The automobile pipe fitting hydraulic forming die according to claim 1, wherein the hook rod pneumatic mechanism comprises a cylinder (14), a piston (15) is slidably mounted in the cylinder (14), a pressure rod (16) is mounted at the top end of the piston (15), one end of an air pipe (13) is mounted on the outer side of the cylinder (14), and the other end of the air pipe (13) is communicated with the pneumatic cylinder (10).

4. The automobile pipe fitting hydraulic forming die according to claim 3, wherein the top end of the pressure rod (16) extends to the top end of the cylindrical barrel (14) and is provided with a telescopic groove (19), a telescopic rod (17) is slidably mounted in the telescopic groove (19), and a trapezoidal block (21) is mounted at the top end of the telescopic rod (17).

5. The automobile pipe fitting hydraulic forming die as claimed in claim 4, wherein a limiting groove (18) is formed in the outer side of the telescopic rod (17), a limiting block (20) is slidably mounted in the limiting groove (18), and the limiting block (20) is connected with the top end of the pressure rod (16).

6. The automobile pipe fitting hydraulic forming die according to claim 1, wherein the matching mechanism comprises an elastic cylinder (22), an elastic rod (24) is slidably mounted on the outer side of the elastic cylinder (22), a same tension spring (23) is mounted between the elastic rod (24) and the elastic cylinder (22), a pull rod (25) is mounted at the outer end of the elastic rod (24), a hook rod (26) is mounted at the inner end of the pull rod (25), and the hook rod (26) is in one-way clamping connection with the corresponding trapezoidal block (21).