CN214517368U

CN214517368U - Bolt cold heading forming die

Info

Publication number: CN214517368U
Application number: CN202022566947.2U
Authority: CN
Inventors: 李林峰
Original assignee: Anhui Karry Auto Parts Manufacturing Co ltd
Current assignee: Anhui Karry Auto Parts Manufacturing Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-10-29
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a bolt cold heading forming die, including deciding mould, fixture block one and threaded rod two, decide the mould upper end and be equipped with the recess, be equipped with transition mould in the recess, the transition mould left and right sides all is equipped with slider one, and threaded connection has threaded rod one on the slider one, and the one end that threaded rod one was kept away from each other runs through decides the mould, and decides to correspond threaded rod one on the mould and be equipped with the through-hole, and the one end that slider one is close to each other is equipped with a plurality of fixture blocks one, and the transition mould corresponds fixture block one and is equipped with a plurality of draw-in grooves one in both ends about and, it is equipped with the support to decide mould upper end symmetry, is equipped with movable mould between the support. The utility model discloses during the use, in putting into the recess with transition mould, rotatory handle drives threaded rod one and rotates, and threaded rod one drives slider one and carries out the motion of being close to each other, and slider one drives in the fixture block inserts draw-in groove one to it is fixed to install transition mould, reverse rotation handle during the dismantlement can, easy operation, the installation is dismantled conveniently, labour saving and time saving.

Description

Bolt cold heading forming die

Technical Field

The utility model relates to a cold-heading forming die technical field specifically is a bolt cold-heading forming die.

Background

The cold heading process is one of the novel processes for machining less and no cutting metal under pressure. The method is a processing method which utilizes the plastic deformation generated by metal under the action of external force and redistributes and transfers the volume of the metal by means of a die so as to form the required part or blank. The cold heading process is most suitable for producing standard fasteners such as bolts, screws, nuts, rivets, pins, and the like.

The existing cold heading die needs to be replaced after being used for a period of time under the pressure of cold heading in the cold heading process, and the existing transition die is complex in disassembly operation, time-consuming and labor-consuming. Therefore, the utility model provides a bolt cold-heading forming die to solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bolt cold-heading forming die to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a bolt cold heading forming die comprises a fixed die, a first clamping block and a second threaded rod, wherein a groove is formed in the upper end of the fixed die, a transition die is arranged in the groove, first sliding blocks are arranged on the left side and the right side of the transition die respectively, the first sliding blocks are in threaded connection with the first threaded rod, one ends of the first threaded rods, which are far away from each other, penetrate through the fixed die, through holes are formed in the fixed die and correspond to the first threaded rods, a plurality of first clamping blocks are arranged at one ends, which are close to each other, of the first sliding blocks, a plurality of first clamping grooves are arranged at the left end and the right end of the transition die and correspond to the first clamping blocks, brackets are symmetrically arranged at the upper end of the fixed die, a movable die is arranged between the brackets, one ends, which are close to each other, of the brackets are provided with first sliding grooves, a second threaded rod is arranged in the first sliding grooves, a penetrating bracket on the second threaded rod is provided with a second sliding block, a through groove is arranged at one end, a through groove is connected with a second clamping block in a sliding manner, and the left end and the right end of the movable mould are provided with a second clamping groove corresponding to the second clamping block, the movable mould, the transition mould and the fixed mould are provided with mould cavities, and the fixed mould is provided with ejector pin cushion blocks corresponding to the lower ends of the mould cavities.

As a further scheme of the utility model, the one end that threaded rod one is close to each other is equipped with the limiting plate, limiting plate lower extreme and recess bottom end fixed connection.

As the utility model discloses scheme further again, slider lower end is equipped with slider three, and the recess bottom corresponds slider three and is equipped with spout two, slider one and recess sliding connection.

As the utility model discloses further scheme again, two lower extremes of threaded rod are equipped with the bearing, a bearing lower extreme and spout fixed connection.

As the utility model discloses scheme further again, the one end that fixture block two kept away from each other is equipped with the spring, the one end that the spring kept away from each other with lead to groove fixed connection.

As the utility model discloses scheme further again, one end and two upper ends of threaded rod that one was kept away from each other of threaded rod all are equipped with the handle, are equipped with anti-skidding line on hand.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses during the use, in putting into the recess with transition mould, rotatory handle drives threaded rod one and rotates, and threaded rod one drives slider one and carries out the motion of being close to each other, and slider one drives in the fixture block inserts draw-in groove one to it is fixed to install transition mould, reverse rotation handle during the dismantlement can, easy operation, the installation is dismantled conveniently, labour saving and time saving.

2. The utility model discloses during the use, moving die utensil downstream promotes two mutual removals of fixture block, when two movements of fixture block correspond draw-in groove two, insert draw-in groove two in two under the effect of spring force in fixture block two to carry on spacingly to moving die utensil, rotatory handle drives two threaded rod rotations simultaneously, two drive slider of threaded rod and moving die utensil downstream, make moving die utensil lower extreme and transition mould laminate mutually, thereby carry out the cold-heading to the raw materials of the mould intracavity on transition mould and the stationary mould, improved the precision of cold-heading.

Drawings

Fig. 1 is a schematic structural diagram of a bolt cold heading forming die.

Fig. 2 is an enlarged structural schematic diagram of a position a in a bolt cold heading forming die.

Fig. 3 is an enlarged structural schematic diagram of a position B in a bolt cold heading forming die.

In the figure: 1. fixing a mold; 2. a first threaded rod; 3. a first sliding block; 4. a first clamping block; 5. a groove; 6. a support; 7. a bearing; 8. a second sliding block; 9. a first sliding chute; 10. a second threaded rod; 11. moving the mold; 12. a mold cavity; 13. a transition mold; 14. a first clamping groove; 15. a thimble cushion block; 16. a limiting plate; 17. a handle; 18. a through hole; 19. a third sliding block; 20. a second chute; 21. a second clamping block; 22. a second clamping groove; 23. connecting blocks; 24. a through groove; 25. a spring.

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 to 3, in an embodiment of the present invention, a bolt cold heading forming mold comprises a fixed mold 1, a first clamping block 4 and a second threaded rod 10, wherein a groove 5 is formed at the upper end of the fixed mold 1, a transition mold 13 is arranged in the groove 5, a first sliding block 3 is arranged on each of the left side and the right side of the transition mold 13, the first threaded rod 2 is connected to the first sliding block 3 in a threaded manner, one end of the first threaded rod 2, which is far away from each other, penetrates through the fixed mold 1, a through hole 18 is formed in the fixed mold 1 corresponding to the first threaded rod 2, a limiting plate 16 is arranged at one end of the first threaded rod 2, which is close to each other, the lower end of the limiting plate 16 is fixedly connected to the bottom end of the groove 5, a third sliding block 19 is arranged at the lower end of the first sliding block 3, a second sliding groove 20 is arranged at the bottom end of the groove 5 corresponding to the third sliding block 3, a plurality of the first clamping blocks 4 are arranged at one end of the sliding block 3, and a plurality of clamping grooves 14 are arranged at the left end and right end of the transition mold 13 corresponding to the first clamping block 4, the upper end of the fixed die 1 is symmetrically provided with brackets 6, a movable die 11 is arranged between the brackets 6, one end of each bracket 6, which is close to each other, is provided with a first sliding groove 9, a second threaded rod 10 is arranged in the first sliding groove 9, the bracket 6 penetrates through the second threaded rod 10, the lower end of the second threaded rod 10 is provided with a bearing 7, the lower end of the bearing 7 is fixedly connected with the first sliding groove 9, the second threaded rod 10 is provided with a second sliding block 8, one end of each second sliding block 8, which is close to each other, is provided with a connecting block 23, the connecting block 23 is provided with a through groove 24, the through groove 24 is connected with a second clamping block 21 in a sliding manner, one end of each second clamping block 21, which is far away from each other, is provided with a spring 25, one end of each spring 25, which is far away from each other, is fixedly connected with the through groove 24, the left end and the right end of the movable die 11 are provided with a second clamping groove 22 corresponding to the second clamping block 21, the movable die 11, the transition die 13 and the fixed die 1 are provided with a die cavity 12, and the lower end of the fixed die 1 is provided with an ejector pin cushion block 15, and a handle 17 is arranged at one end of the first threaded rod 2, which is far away from the first threaded rod, and the upper end of the second threaded rod 10, and anti-skid grains are arranged on the handle 17.

The utility model discloses a theory of operation is:

when the utility model is used, the transition die 13 is placed in the groove 5, the rotating handle 17 drives the first threaded rod 2 to rotate, the first threaded rod 2 drives the first slider 3 to move close to each other, the first slider 3 drives the first fixture block 4 to be inserted into the first clamping groove 14, so that the transition die 13 is installed and fixed, the handle 17 is reversely rotated during disassembly, the operation is simple, the installation and disassembly are convenient, time and labor are saved, the movable die 11 moves downwards, the second fixture block 21 is pushed to move away from each other, when the second fixture block 21 moves to the corresponding second clamping groove 22, the second fixture block 21 is inserted into the second clamping groove 22 under the action of the elastic force of the spring 25, so that the movable die 11 is limited, the rotating handle 17 drives the second threaded rod 10 to rotate, the second threaded rod 10 drives the second slider 8 and the movable die 11 to move downwards, the lower end of the movable die 11 is attached to the transition die 13, so as to perform cold heading on raw materials in the die cavities 12 on the transition die 13 and the fixed die 1, the accuracy of cold heading is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bolt cold heading forming die comprises a fixed die (1), first fixture blocks (4) and a second threaded rod (10), and is characterized in that a groove (5) is formed in the upper end of the fixed die (1), a transition die (13) is arranged in the groove (5), first sliders (3) are arranged on the left side and the right side of the transition die (13), first threaded rods (2) are connected to the first sliders (3) in a threaded mode, one ends, far away from each other, of the first threaded rods (2) penetrate through the fixed die (1), through holes (18) are formed in the fixed die (1) and correspond to the first threaded rods (2), a plurality of first fixture blocks (4) are arranged at one ends, close to each other, of the first sliders (3), a plurality of first clamping grooves (14) are formed in the left end and the right end of the transition die (13) and correspond to the first fixture blocks (4), supports (6) are symmetrically arranged at the upper end of the fixed die (1), and a movable die (11) is arranged between the supports (6), the support (6) one end that is close to each other is equipped with spout one (9), is equipped with threaded rod two (10) in spout one (9), runs through support (6) on threaded rod two (10), is equipped with slider two (8) on threaded rod two (10), and the one end that slider two (8) are close to each other is equipped with connecting block (23), is equipped with logical groove (24) on connecting block (23), and sliding connection has fixture block two (21) in logical groove (24), it is equipped with draw-in groove two (22) to correspond fixture block two (21) about movable mould (11), is equipped with mould chamber (12) on movable mould (11), transition mould (13) and the fixed mould (1), and corresponds mould chamber (12) lower extreme and be equipped with thimble cushion (15) on fixed mould (1).

2. The bolt cold heading forming die as claimed in claim 1, wherein a limiting plate (16) is arranged at one end of the first threaded rod (2) close to each other, and the lower end of the limiting plate (16) is fixedly connected with the bottom end of the groove (5).

3. The bolt cold heading forming die as claimed in claim 1, wherein a third slide block (19) is arranged at the lower end of the first slide block (3), a second slide groove (20) is arranged at the bottom end of the groove (5) corresponding to the third slide block (19), and the first slide block (3) is slidably connected with the groove (5).

4. The bolt cold heading forming die as claimed in claim 1, wherein a bearing (7) is arranged at the lower end of the second threaded rod (10), and the lower end of the bearing (7) is fixedly connected with the first sliding groove (9).

5. The bolt cold heading forming die as claimed in claim 1, wherein a spring (25) is arranged at one end of the second clamping block (21) away from each other, and one end of the spring (25) away from each other is fixedly connected with the through groove (24).

6. The bolt cold heading forming die as claimed in claim 1, wherein a handle (17) is arranged at one end of the first threaded rod (2) away from each other and at the upper end of the second threaded rod (10), and anti-skid grains are arranged on the handle (17).