CN216369716U - Forming jig for 12-degree flange bolt not prone to displacement - Google Patents

Abstract

The utility model discloses a forming jig for a 12-degree flange bolt not easy to displace, which comprises a fixed die, a movable die, a first main die, a second main die, a third main die, a fourth main die, a first punch, a second punch, a third punch and a fourth punch, wherein the first main die, the second main die, the third main die and the fourth main die are respectively and fixedly arranged on the fixed die, and the first punch, the second punch, the third punch and the fourth punch are respectively and fixedly arranged on the movable die. According to the utility model, the inner hole of the T-shaped cushion block is designed into an anti-skid square inner hole, the push-out rod is also made into a square shape, the square anti-rotation ferrule is additionally arranged at the tail end of the material passing rod, the material passing rod can move back into the square inner hole along with the T-shaped cushion block to move a piston and push a bolt to be demoulded, in addition, the electrode is used for roughening the front end of the material passing rod, the friction force is increased, the bolt is prevented from rotating when being pushed, the improved bolt product has stable quality, the selection and screening are reduced, the working hours are shortened, the turnover space is greatly reduced, the manpower and material resources are saved, and the production cost is reduced.

Description

Forming jig for 12-degree flange bolt not prone to displacement

Technical Field

The utility model relates to the technical field of bolt processing, in particular to a forming jig for a 12-degree flange bolt not easy to displace.

Background

The traditional 12-angle flange bolt is different from a common bolt in four-die four-forming, a three-die pre-drawing 12-angle bolt and a four-die forming head are used, an inner hole of a T-shaped cushion block behind a main die is round according to the production of the common bolt, and during production, a pushing-out rod of the inner circle of the T-shaped cushion block pushes a material passing rod of the main die to discharge.

When the existing forming jig for 12-angle flange bolts is used for discharging, the round pushing rod is easy to slip and rotate, the bolts are driven to displace together, the four molds become 24-angle molds, the quality is unstable, customers are easy to complain and return goods, the customers need to select again, the occupied space is large, and time and labor are wasted.

Therefore, it is necessary to provide a forming jig for a 12-degree flange bolt which is not easy to displace to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a forming jig for a 12-angle flange bolt not easy to displace, and aims to solve the problems that in the prior art, when the forming jig for the 12-angle flange bolt discharges materials, a round push-out rod is easy to slip and rotate, the bolts are driven to displace together, the angle is changed into 24 degrees from four dies, the quality is unstable, customers are apt to complain about goods returning, the goods need to be selected again, the occupied space is large, and time and labor are wasted.

In order to achieve the above purpose, the utility model provides the following technical scheme: a forming jig for a 12-degree flange bolt not prone to displacement comprises a fixed die, a movable die, a first main die, a second main die, a third main die, a fourth main die, a first punch, a second punch, a third punch and a fourth punch, wherein the first main die, the second main die, the third main die and the fourth main die are fixedly mounted on the fixed die respectively, the first punch, the second punch, the third punch and the fourth punch are fixedly mounted on the movable die respectively, the first punch, the second punch, the third punch and the fourth punch correspond to one end of the first main die, the second main die, the third main die and one end of the fourth main die respectively, T-shaped cushion blocks are arranged at the other ends of the first main die, the second main die, the third main die and the fourth main die respectively, a square inner hole is formed in each T-shaped cushion block, a square push-out rod is arranged in each square inner hole, a first feed rod is arranged between the first main die and the T-shaped cushion blocks, the anti-rotation device is characterized in that a second material passing rod is arranged between the second main die and the T-shaped cushion block, a third material passing rod is arranged between the third main die and the T-shaped cushion block, a fourth material passing rod is arranged between the fourth main die and the T-shaped cushion block, the tail ends of the first material passing rod, the second material passing rod, the third material passing rod and the fourth material passing rod are fixedly connected with a square pushing rod, and square anti-rotation ferrules are fixedly sleeved on the tail ends of the first material passing rod, the second material passing rod, the third material passing rod and the fourth material passing rod.

Preferably, the front ends of the first material passing rod, the second material passing rod, the third material passing rod and the fourth material passing rod are subjected to electrode roughening treatment, the outer diameter of the square anti-rotation ferrule is equal to the aperture size of the square inner hole, and the square anti-rotation ferrule can move back into the square inner hole to perform piston movement, so that a bolt is pushed to be demoulded.

Preferably, a first inner mold core is arranged in the first main mold, one end of the first material passing rod can sequentially penetrate through the first main mold and the first inner mold core, a first mold material can be formed between the first punch and the first main mold through punching, and a primary mold material is punched into the first mold material, so that the subsequent punching can be facilitated to form a second mold material.

Preferably, No. two centre form front mould benevolence and No. two centre form back mould benevolence are equipped with to No. two master moulds inside, No. two material stick one end can run through the benevolence of No. two centre form back mould and No. two centre form front mould benevolence in proper order, can punch between No. two towards and No. two master moulds and form No. two mould material, punch into No. two mould material with a mould material and can make things convenient for follow-up punching to form No. three mould material.

Preferably, a first rear lock is sleeved at one end of the second inner mold rear mold core, one end of the outer wall of the first rear lock is in threaded connection with one end of the inner wall of the second main mold, and the first rear lock can prevent the second inner mold rear mold core from being separated during stamping.

Preferably, a third inner die core is arranged in the third main die, one end of the third material rod can sequentially penetrate through the third main die and the third inner die core, a third die material can be formed between the third punch and the third main die in a stamping mode, and a fourth die material can be formed by stamping a second die material into a third die material conveniently in a follow-up stamping mode.

Preferably, the fourth main die is internally provided with a fourth inner die front die kernel and a fourth inner die rear die kernel, one end of the fourth material rod can sequentially penetrate through the fourth inner die rear die kernel and the fourth inner die front die kernel, a fourth die material can be formed between the fourth punch and the fourth main die by punching, and thus, a 12-degree flange bolt is formed by four-die four-forming.

Preferably, a second rear lock is sleeved at one end of the rear mold core of the fourth inner mold, one end of the outer wall of the second rear lock is in threaded connection with one end of the inner wall of the fourth main mold, and the second rear lock can prevent the rear mold core of the fourth inner mold from being separated during stamping.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. the inner hole of the T-shaped cushion block is designed into an anti-skid square inner hole, the push-out rod is also made into a square shape, the square anti-rotation ferrule is additionally arranged at the tail end of the material passing rod, the material passing rod can move back into the square inner hole along with the T-shaped cushion block to move a piston and push a bolt to be demoulded, in addition, the front end of the material passing rod is roughened by an electrode, the friction force is increased, the bolt is prevented from rotating when being pushed, the improved bolt product has stable quality, the selection and screening are reduced, the working hours are shortened, the turnover space is greatly reduced, the manpower and material resources are saved, and the production cost is reduced;

2. the first back lock is arranged at one end of the second inner die back die core, so that the second inner die back die core can be prevented from being separated when the second inner die back die core punches the second main die, and the second back lock is arranged at one end of the fourth inner die back die core, so that the fourth inner die back die core can be prevented from being separated when the fourth inner die back die core punches the fourth main die.

Drawings

FIG. 1 is a schematic view of a molding structure of a first mold material of the present invention;

FIG. 2 is a schematic view of a molding structure of the mold material II of the present invention;

FIG. 3 is a schematic view of a molding structure of the third mold material of the present invention;

fig. 4 is a schematic view of a forming structure of the model material model four of the present invention.

Description of reference numerals:

1. a first master mold; 2. a second master mold; 3. a third master mold; 4. a fourth master mold; 5. punching a first number; 6. punching for the second time; 7. punching a third time; 8. punching a fourth step; 9. a T-shaped cushion block; 10. a square inner hole; 11. a square push-out bar; 12. a first feed bar; 13. a second feed bar; 14. a third material passing rod; 15. a fourth feed bar; 16. a square anti-rotation ferrule; 17. a first inner mold core; 18. molding material I; 19. a second inner mold front mold core; 20. a second inner mold back mold core; 21. molding material II; 22. a first rear lock; 23. a third inner mold core; 24. molding material III; 25. a fourth inner mold front mold core; 26. a fourth inner mold back mold core; 27. molding material No. four; 28. and a second rear lock.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a forming jig for a 12-degree flange bolt not easy to displace as shown in figures 1-4, which comprises a fixed die, a movable die, a first main die 1, a second main die 2, a third main die 3, a fourth main die 4, a first punch 5, a second punch 6, a third punch 7 and a fourth punch 8, wherein the first main die 1, the second main die 2, the third main die 3 and the fourth main die 4 are respectively and fixedly arranged on the fixed die, the first punch 5, the second punch 6, the third punch 7 and the fourth punch 8 are respectively and fixedly arranged on the movable die, the first punch 5, the second punch 6, the third punch 7 and the fourth punch 8 are respectively and fixedly arranged on one end of the first main die 1, the second main die 2, the third main die 3 and the fourth main die 4, a T-shaped cushion block 9 is arranged at the other end of the first main die 1, the second main die 2, the third main die 3 and the fourth main die 4, a T-shaped cushion block 10 is arranged in the T-shaped main die 9, the novel anti-rotation device is characterized in that a square pushing rod 11 is arranged in a square inner hole 10, a first material passing rod 12 is arranged between a first main die 1 and a T-shaped cushion block 9, a second material passing rod 13 is arranged between a second main die 2 and the T-shaped cushion block 9, a third material passing rod 14 is arranged between a third main die 3 and the T-shaped cushion block 9, a fourth material passing rod 15 is arranged between a fourth main die 4 and the T-shaped cushion block 9, the tail ends of the first material passing rod 12, the second material passing rod 13, the third material passing rod 14 and the fourth material passing rod 15 are fixedly connected with the square pushing rod 11, and a square anti-rotation ferrule 16 is fixedly sleeved on the tail ends of the first material passing rod 12, the second material passing rod 13, the third material passing rod 14 and the fourth material passing rod 15.

The front ends of the first material passing rod 12, the second material passing rod 13, the third material passing rod 14 and the fourth material passing rod 15 are all subjected to electrode dehairing treatment, and the outer diameter of the square anti-rotation ferrule 16 is equal to the aperture size of the square inner hole 10.

A first inner die core 17 is arranged inside the first main die 1, one end of the first material passing rod 12 can sequentially penetrate through the first main die 1 and the first inner die core 17, and a first die material 18 can be formed between the first punch 5 and the first main die 1 through punching.

A second inner die front die core 19 and a second inner die rear die core 20 are arranged inside the second main die 2, one end of the second feed rod 13 can sequentially penetrate through the second inner die rear die core 20 and the second inner die front die core 19, and a second die material 21 can be formed between the second punch 6 and the second main die 2 through punching.

One end of the second inner mold rear mold core 20 is sleeved with a first rear lock 22, and one end of the outer wall of the first rear lock 22 is connected with one end of the inner wall of the second main mold 2 through threads.

A third inner die core 23 is arranged inside the third main die 3, one end of the third material passing rod 14 can sequentially penetrate through the third main die 3 and the third inner die core 23, and a third die material 24 can be formed between the third punch 7 and the third main die 3 through punching.

A fourth inner die front die core 25 and a fourth inner die rear die core 26 are arranged inside the fourth main die 4, one end of the fourth material rod 15 can sequentially penetrate through the fourth inner die rear die core 26 and the fourth inner die front die core 25, and a fourth die material 27 can be formed between the fourth punch 8 and the fourth main die 4 through punching.

One end of the fourth inner mold rear mold core 26 is sleeved with a second rear lock 28, and one end of the outer wall of the second rear lock 28 is connected with one end of the inner wall of the fourth main mold 4 through threads.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, when the device is used, firstly, a primary die material is punched by a first punch 5 and a first main die 1 to form a first die material 18, a first material passing rod 12 is pushed by a square push-out rod 11 to discharge the first die material 18, then the first die material 18 is punched by a second punch 6 and a second main die 2 to form a second die material 21, a second material passing rod 13 is pushed by the square push-out rod 11 to discharge the second die material 21, then the second die material 21 is punched by a third punch 7 and a third main die 3 to form a third die material 24, a third material passing rod 14 is pushed by the square push-out rod 11 to discharge the third die material 24, finally the third die material 24 is punched by a fourth punch 8 and a fourth main die 4 to form a fourth die material 27, a fourth material passing rod 15 is pushed by the square push-out rod 11 to discharge the fourth die material 27, and flanges are formed by four die bolts 12, the inner hole of a T-shaped cushion block 9 is designed into an anti-skid square inner hole 10, a push-out rod is also made into a square shape, a material passing rod of a main mold is lengthened by 5mm in length of the former main mold, a square anti-rotation ferrule 16 is additionally arranged at the tail end of the former main mold, the outer diameter of the square anti-rotation ferrule 16 is the same as the aperture size of the square inner hole 10, the material passing rod can move back into the square inner hole 10 along with the T-shaped cushion block 9 to carry out piston motion, and a bolt is pushed out of the mold;

referring to the attached drawings 1-4 of the specification, when the device is used, the first rear lock 22 is arranged at one end of the second inner die rear die core 20, so that the second inner die rear die core 20 can be prevented from being separated when the second punch 6 punches the second main die 2, and the second rear lock 28 is arranged at one end of the fourth inner die rear die core 26, so that the fourth inner die rear die core 26 can be prevented from being separated when the fourth punch 8 punches the fourth main die 4.

Claims (8)

1. The utility model provides a 12 angle flange bolt's of difficult emergence displacement forming jig, includes cover half, movable mould, a master die (1), No. two master dies (2), No. three master dies (3), No. four master dies (4), No. one dash (5), No. two dash (6), No. three dash (7) and No. four dash (8), its characterized in that: the first main die (1), the second main die (2), the third main die (3) and the fourth main die (4) are respectively and fixedly arranged on the fixed die, the first punch (5), the second punch (6), the third punch (7) and the fourth punch (8) are respectively and fixedly arranged on the movable die, the first punch (5), the second punch (6), the third punch (7) and the fourth punch (8) respectively correspond to one end of the first main die (1), the second main die (2), the third main die (3) and the fourth main die (4), T-shaped cushion blocks (9) are arranged at the other ends of the first main die (1), the second main die (2), the third main die (3) and the fourth main die (4), a square inner hole (10) is formed in the T-shaped cushion block (9), a square ejecting rod (11) is arranged in the square inner part of the square inner hole (10), and a first material passing rod (12) is arranged between the first main die (1) and the T-shaped cushion block (9), be equipped with second charge bar (13) between No. two fundamental modes (2) and T type cushion (9), be equipped with third charge bar (14) between No. three fundamental modes (3) and T type cushion (9), be equipped with fourth charge bar (15) between No. four fundamental modes (4) and T type cushion (9), first charge bar (12), second charge bar (13), third charge bar (14) and fourth charge bar (15) tail end all with square ejecting rod (11) fixed connection, first charge bar (12), second charge bar (13), third charge bar (14) and fourth charge bar (15) tail end all are fixed to cup joint the square and prevent changeing lasso (16).

2. The forming jig for the 12-degree flange bolt not prone to displacement according to claim 1, characterized in that: the front ends of the first material passing rod (12), the second material passing rod (13), the third material passing rod (14) and the fourth material passing rod (15) are all subjected to electrode dehairing treatment, and the outer diameter of the square anti-rotation ferrule (16) is equal to the aperture size of the square inner hole (10).

3. The forming jig for the 12-degree flange bolt not prone to displacement according to claim 1, characterized in that: a first inner die core (17) is arranged inside the first main die (1), one end of the first material passing rod (12) can sequentially penetrate through the first main die (1) and the first inner die core (17), and a first die material (18) can be formed between the first punch (5) and the first main die (1) in a punching mode.

4. The forming jig for the 12-degree flange bolt not prone to displacement according to claim 1, characterized in that: no. two centre form front mould benevolence (19) and No. two centre form back mould benevolence (20) are equipped with to No. two master die (2) inside, No. two centre form back mould benevolence (20) and No. two centre form front mould benevolence (19) can run through in proper order to second feed rod (13) one end, can punch and form No. two mould material (21) between No. two towards (6) and No. two master die (2).

5. The forming jig for the 12-degree flange bolt not prone to displacement according to claim 4, characterized in that: one end of the second inner die rear die core (20) is sleeved with a first rear lock (22), and one end of the outer wall of the first rear lock (22) is connected with one end of the inner wall of the second main die (2) through threads.

6. The forming jig for the 12-degree flange bolt not prone to displacement according to claim 1, characterized in that: a third inner die core (23) is arranged inside the third main die (3), one end of a third material passing rod (14) can sequentially penetrate through the third main die (3) and the third inner die core (23), and a third die material (24) can be formed between the third punch (7) and the third main die (3) in a punching mode.

7. The forming jig for the 12-degree flange bolt not prone to displacement according to claim 1, characterized in that: no. four fundamental modes (4) are inside to be equipped with No. four centre form front mould benevolence (25) and No. four centre form back mould benevolence (26), fourth feed rod (15) one end can run through No. four centre form back mould benevolence (26) and No. four centre form front mould benevolence (25) in proper order, but punching press formation No. four die material (27) between No. four dashes (8) and No. four fundamental modes (4).

8. The forming jig for the 12-degree flange bolt not prone to displacement according to claim 7, characterized in that: and one end of the rear mold core (26) of the fourth inner mold is sleeved with a second rear lock (28), and one end of the outer wall of the second rear lock (28) is connected with one end of the inner wall of the fourth main mold (4) through threads.

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