CN217831700U

CN217831700U - Cold heading forming die for handle connecting rod of angle adjuster

Info

Publication number: CN217831700U
Application number: CN202222170768.6U
Authority: CN
Inventors: 黄宏波
Original assignee: Zhoushan Hesheng Fastener Co ltd
Current assignee: Zhoushan Hesheng Fastener Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-18
Anticipated expiration: 2032-08-18

Abstract

The utility model provides an angle modulation ware handle connecting rod cold-heading forming die has solved not only inefficiency but also with high costs problem through the lathe processing square bar. First mould, the second mould, the third mould, fourth mould and fifth mould all are furnished with before towards stick and back towards the stick, first mould is equipped with and is used for carrying out the first chamber of dashing of plastic to the blank up end, the second mould is equipped with and is used for carrying out the second towards the chamber of plastic to the blank down end face, the third mould is equipped with and is used for making the third towards the chamber of blank preforming square bar, the fourth mould is equipped with and is used for dashing the chamber to the fourth of square bar plastic and round bar preforming, the fifth mould is equipped with and is used for dashing the chamber to the fifth of square bar and round bar plastic. Through the cooperation of many sets of moulds use, carry out up end plastic, lower terminal surface plastic, square pole preforming, square pole plastic and round bar preforming, square pole and round bar plastic to the blank in proper order and realize the shaping of angle modulation ware handle connecting rod, avoid subsequent machine tooling.

Description

Cold heading forming die for handle connecting rod of angle adjuster

Technical Field

The utility model relates to an aquatic animals articles for use technical field, concretely relates to angle modulation ware handle connecting rod cold-heading forming die.

Background

The angle adjuster handle connecting rod is used for connecting a handle and an angle adjuster, the structure of the angle adjuster handle connecting rod comprises a round rod 01 and a square rod 02, as shown in fig. 1, a blank of the angle adjuster handle connecting rod is cut into a cylindrical shape through a wire, multiple processing procedures are usually needed, two sections of round rods are formed after die forging, then one section of round rod is processed into the square rod through a machine tool in a milling mode, and the processing time is long and the production cost is high through the machine tool.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of background art, the utility model provides an angle modulation ware handle connecting rod cold-heading forming die has solved not only inefficiency but also with high costs problem through the lathe processing square bar.

The utility model adopts the technical scheme as follows:

angle modulation ware handle connecting rod cold-heading forming die, including first mould, second mould, third mould, fourth mould and fifth mould, first mould, second mould, third mould, fourth mould and fifth mould all are furnished with dash stick and dashing stick after and before, first mould is equipped with and is used for carrying out the first chamber of dashing of plastic to the blank up end, the second mould is equipped with and is used for carrying out the second chamber of dashing of plastic to the blank lower extreme terminal surface, the third mould is equipped with and is used for making the third chamber of dashing of blank preforming square beam, the fourth mould is equipped with and is used for dashing the chamber to the fourth of square beam plastic and round bar preforming, the fifth mould is equipped with and is used for dashing the chamber to the fifth of square beam and round bar plastic.

And chamfers are arranged at the upper end and the lower end of the first punching cavity, the second punching cavity, the third punching cavity, the fourth punching cavity and the fifth punching cavity.

And the rear punch rod is provided with a spring.

The first die comprises a die shell and a die core, the first punching cavity is arranged at the die core, the die core is conical, and a supporting seat is arranged at the bottom of the die core.

The first supporting seat is in threaded connection with the first formwork.

The first mold core comprises an upper mold core and a lower mold core, and an exhaust groove is arranged between the upper mold core and the lower mold core.

The first die core is made of tungsten steel.

The utility model has the advantages that:

through the cooperation of many sets of moulds use, carry out up end plastic, lower terminal surface plastic, square pole preforming, square pole plastic and round bar preforming, square pole and round bar plastic to the blank in proper order and realize the shaping of angle modulation ware handle connecting rod, avoid subsequent machining, the batch production's that has significantly reduced process time, reduced the processing cost.

Drawings

Fig. 1 is a schematic view of a recliner handle connecting rod.

Fig. 2 is a schematic diagram of the present invention.

Fig. 3 is a schematic view of the first mold of the present invention.

Fig. 4 is an enlarged schematic view of the utility model at a in fig. 3.

The die comprises a first die 1, a second die 2, a third die 3, a fourth die 4, a fifth die 5, a front punching rod 6, a rear punching rod 7, a first punching cavity 8, a second punching cavity 9, a third punching cavity 10, a fourth punching cavity 11, a fifth punching cavity 12, a chamfer 13, a spring 14, a first die shell 15, a first die core 16, an upper die core 161, a lower die core 162, an exhaust groove 163 and a first supporting seat 17.

Detailed Description

The present invention will be further explained with reference to the following drawings and examples:

in the embodiment, as shown in fig. 2, the cold heading forming die for the handle connecting rod of the angle adjuster comprises a first die 1, a second die 2, a third die 3, a fourth die 4 and a fifth die 5, wherein the first die 1, the second die 2, the third die 3, the fourth die 4 and the fifth die 5 are respectively provided with a front punch rod 6 and a rear punch rod 7, the first die 1 is provided with a first punch cavity 8 for shaping the upper end surface of a blank, the second die 2 is provided with a second punch cavity 9 for shaping the lower end surface of the blank, the third die 3 is provided with a third punch cavity 10 for preforming a square rod 02 of the blank, the fourth die 4 is provided with a fourth punch cavity 11 for shaping the square rod 02 and a round rod 01, and the fifth die 5 is provided with a fifth punch cavity 12 for shaping the square rod 02 and the round rod 01. Through the cooperation of many sets of moulds use, carry out up end plastic, lower terminal surface plastic, square pole preforming, square pole plastic and round bar preforming, square pole and round bar plastic to the blank in proper order and realize the shaping of angle modulation ware handle connecting rod, avoid subsequent machining, the batch production's that has significantly reduced process time, reduced the processing cost.

In an embodiment, as shown in fig. 2 and 3, chamfers 13 are respectively disposed at upper and lower ends of the first punching cavity 8, the second punching cavity 9, the third punching cavity 10, the fourth punching cavity 11, and the fifth punching cavity 12. The front punch rod 6 and the rear punch rod 7 are convenient to be matched with the punch cavity.

In the embodiment, as shown in fig. 2 and 3, the spring 14 is mounted on the back punch 7. After the processing is finished, the rear punch 7 ejects the material out, and the spring resets the rear punch 7.

In an embodiment, as shown in fig. 3, the first mold 1 includes a first mold shell 15 and a first mold core 16, the first punching cavity 8 is disposed at the first mold core 16, the first mold core 16 is tapered, and a first support seat 17 is disposed at the bottom of the first mold core 16. The matching precision of the first mold shell 15 and the first mold core 16 is ensured, and the second mold 2, the third mold 3, the fourth mold 4 and the fifth mold 5 are respectively composed of different mold shells, mold cores and supporting seats.

In an embodiment, as shown in fig. 3, the first supporting seat 17 is connected with the first mold shell 15 by a screw thread. The first mold core 16 can be conveniently disassembled.

In an embodiment, as shown in fig. 3 and 4, the first mold core 16 includes an upper mold core 161 and a lower mold core 162, and an exhaust groove 163 is disposed between the upper mold core 161 and the lower mold core 162. Can set up the pressure release hole No. one in a mould shell department, preceding towards stick 6 is at the cold-heading in-process, with first punching 8 gas of chamber through exhaust groove 163 from a pressure release hole discharge, play the pressure release effect, certainly the mould benevolence in second mould 2, third mould 3, fourth mould 4 and the fifth mould 5 can set up two upper and lower mould benevolence or three mould benevolence down in the upper and lower as required, still is provided with exhaust groove and pressure release hole simultaneously.

In an embodiment, the first mold core 16 is made of tungsten steel. The tungsten steel has good wear resistance, is not easy to wear after being matched with the punch rod, and is not easy to rust on the surface, so that the first mold core 16 has long service life, and the second mold 2, the third mold 3, the fourth mold 4 and the fifth mold 5 are made of tungsten steel.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And obvious changes and modifications which are within the spirit of the invention are also within the scope of the invention.

Claims

1. Angle modulation ware handle connecting rod cold-heading forming die, its characterized in that: the square rod shaping die comprises a first die (1), a second die (2), a third die (3), a fourth die (4) and a fifth die (5), wherein the first die (1), the second die (2), the third die (3), the fourth die (4) and the fifth die (5) are respectively provided with a front punching rod (6) and a rear punching rod (7), the first die (1) is provided with a first punching cavity (8) for shaping the upper end surface of a blank, the second die (2) is provided with a second punching cavity (9) for shaping the lower end surface of the blank, the third die (3) is provided with a third punching cavity (10) for shaping a square rod (02) of the blank, the fourth die (4) is provided with a fourth punching cavity (11) for shaping the square rod (02) and the round rod (01), and the fifth die (5) is provided with a fifth punching cavity (12) for shaping the square rod (02) and the round rod (01).

2. The angle adjuster handle connecting rod cold heading forming die of claim 1, characterized in that: and chamfers (13) are arranged at the upper end and the lower end of the first punching cavity (8), the second punching cavity (9), the third punching cavity (10), the fourth punching cavity (11) and the fifth punching cavity (12).

3. The angle adjuster handle connecting rod cold heading forming die of claim 1, characterized in that: and a spring (14) is arranged on the back punching rod (7).

4. The angle adjuster handle connecting rod cold heading forming die of claim 1, characterized in that: the first die (1) comprises a first die shell (15) and a first die core (16), the first punching cavity (8) is arranged at the first die core (16), the first die core (16) is conical, and a first supporting seat (17) is arranged at the bottom of the first die core (16).

5. The angle adjuster handle connecting rod cold heading forming die of claim 4, wherein: the first supporting seat (17) is in threaded connection with the first formwork (15).

6. The angle adjuster handle connecting rod cold heading forming die of claim 4, wherein: the first mold core (16) comprises an upper mold core (161) and a lower mold core (162), and an exhaust groove (163) is arranged between the upper mold core (161) and the lower mold core (162).

7. The angle adjuster handle connecting rod cold heading forming die of claim 4, wherein: the first die core (16) is made of tungsten steel.