CN218946129U

CN218946129U - Carbon steel bullet section of thick bamboo extends forming die

Info

Publication number: CN218946129U
Application number: CN202223529312.0U
Authority: CN
Inventors: 施永飞; 王英
Original assignee: Jiangsu Qili Forging Equipment Co ltd
Current assignee: Jiangsu Qili Forging Equipment Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-02
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the field of metal forming, and discloses a carbon steel spring tube extension forming die, wherein a punch rod (13) of a male die part of the die is arranged in a punch rod clamping head (14), the punch rod clamping head (14) is arranged on a sliding block (12), and the punch rod clamping head (14) is fastened with a fastener I (10) through a plug (9); a female die (15) of a female die part is fastened in a female die holder (3) on a machine body (11) through a female die holder fastening piece (6), a female die holder cushion block (5) is arranged between the bottom of the female die holder (3) and the machine body (11), a clamping block (1) fixed on the machine body (11) is arranged between the outer side of the female die holder (3) and the machine body (11), and a bottom die lining ring (7) is arranged between the female die holder fastening piece (6) and the female die holder (3). The carbon steel cylinder production efficiency is high, the cold extrusion extension (stretching) extension of the carbon steel cylinder can be realized on the horizontal cold extrusion extension machine, the material consumption is low, and the carbon steel cylinder after extension has high strength and high precision.

Description

Carbon steel bullet section of thick bamboo extends forming die

Technical Field

The utility model relates to the field of metal forming, in particular to a carbon steel bullet barrel extension forming die.

Background

The carbon steel bullet cylinder is used as the cartridge of various bullet cylinders, and is an important product for national defense, military industry, public security, fire protection and related civil equipment. The existing carbon steel cylinder extension process is generally formed by using a common punch for multiple times (tempering is needed between punching processes to remove stress), and the punched carbon steel cylinder is uneven in wall thickness and bottom thickness, unstable in quality, low in production efficiency, large in energy consumption and low in operation safety coefficient.

The die for composite cold extrusion forming of the automobile micro motor aluminum shell comprises a die, a male die and a liftout, wherein the die comprises a die seat cushion block and a die seat outside the die seat cushion block, a clamping block is arranged outside the die seat, a die cushion block and a bottom die are arranged in the die seat, a cushion head is arranged in the die cushion block, a male die structure is arranged in a bottom die cavity on one side of the cushion head, the male die comprises a punch rod and a die seat cushion block, a liftout ejector rod is arranged in the cushion head, a spring is arranged outside the liftout ejector rod, and a circular aluminum blank is extruded into a cylindrical micro motor aluminum shell, so that the die is used on a universal horizontal multi-link elbow type cold extrusion press machine, and cannot be used on a special horizontal cold extrusion extension machine.

For this reason, a new technical solution is needed to solve the above technical problems.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a cold extrusion forming die which has high production efficiency and can realize cold extrusion extension (drawing) extension of a carbon steel cylinder on a horizontal cold extrusion extension machine.

In order to solve the technical problems, the utility model provides a carbon steel bullet barrel extension forming die which comprises a male die part and a female die part; the male die part comprises a punch rod and a sliding block, the punch rod is arranged in a punch rod chuck, the punch rod chuck is arranged on the sliding block, and the punch rod chuck is fastened through a plug and a fastener I; the female die part comprises a female die and a clamping block, the female die is fastened in the female die holder through a female die holder fastening piece, the female die holder is arranged on the machine body, a female die holder cushion block is arranged between the bottom of the female die holder and the machine body, the clamping block is arranged between the outer side of the female die holder and the machine body, the clamping block is fixed on the machine body through a fastening piece II, and a bottom die lining ring is arranged between the female die holder fastening piece and the female die holder.

Through adopting above-mentioned technical scheme, the slider drives the punch rod that is fixed in the punch rod chuck by fastener I and slides back and forth, and the punch rod cooperates with the die of installing in the die holder, sets up the die holder cushion between die holder and the fuselage, and carbon steel bullet section of thick bamboo production is fast, efficient, can realize carbon steel bullet section of thick bamboo cold extrusion extension (tensile) extension on horizontal cold extrusion extension machine, and material consumption is few, basically no waste material, and carbon steel bullet section of thick bamboo intensity after the extension is high, the performance is good, and the precision is high.

Furthermore, a spacer ring and a die sleeve are adjacently arranged between the bottom die lining ring and the female die.

By adopting the technical scheme, the clearance and the pre-compression of the female die can be well regulated, and the precision of the carbon steel cylinder workpiece is further high.

Further, through holes are formed in the side walls of the punch rod clamp heads.

Through adopting above-mentioned technical scheme, offer the through-hole at punch rod clamp side wall, be convenient for the stopper pass with punch rod connection.

Further, a fastening hole is formed in the sliding block.

Through adopting above-mentioned technical scheme, offer the fastening hole on the slider, be convenient for fastener I install the stopper on the punching rod.

Furthermore, the tail part of the punching rod is provided with a positioning hole.

By adopting the technical scheme, the punch rod can be conveniently positioned in the punch rod clamping head.

Further, the through hole and the fastening hole are communicated with the positioning hole.

Through adopting above-mentioned technical scheme, the fastener I that is convenient for have the stopper passes the slider in proper order, dashes excellent chuck, connects fixedly towards the excellent.

Further, the plug is fixed in the locating hole, and the fastener I is fixedly connected with the plug.

Through adopting above-mentioned technical scheme, fix stopper at fastener I tip, install again in the locating hole, simple structure, simple to operate.

Compared with the prior art, the utility model has the following beneficial effects:

1. the sliding block drives the punching rod fixed in the punching rod chuck by the fastener I to slide back and forth, the punching rod is matched with the female die arranged in the female die holder, a female die holder cushion block is arranged between the female die holder and the machine body, the carbon steel cylinder is fast in production speed and high in efficiency, cold extrusion extension (stretching) of the carbon steel cylinder can be realized on the horizontal cold extrusion extension machine, the material consumption is less, no waste is generated basically, and the carbon steel cylinder after extension is high in strength, good in performance and high in precision.

2. According to the utility model, the spacer ring and the die sleeve are adjacently arranged between the bottom die lining ring and the female die, so that the play and the pre-compression of the female die can be well regulated, and the precision of the carbon steel spring cylinder workpiece is further high.

3. According to the utility model, the plug is fixed at the end part of the fastener I and then is installed in the positioning hole, the structure is simple, the installation is convenient, the bottom surface and the side surface of the plug are in plane contact with the handle part of the punching rod, and the rotation of the punching rod around the X axis is limited.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic structural view of the punch pin holder of the present utility model.

FIG. 3 is a schematic view of a slider structure according to the present utility model.

Fig. 4 is a schematic view of a punch rod according to the present utility model.

In the figure, the clamping block 1, the fastening piece II, the female die holder 3, the spacer ring 4, the female die seat block 5, the female die holder fastening piece 6, the bottom die lining ring 7, the die sleeve 8, the plug 9, the fastening piece 10, the fastening piece I, the machine body 11, the sliding block 12, the punching rod 13, the punching rod clamping head 14, the female die 15, the fastening hole 16, the positioning hole 17 and the through hole 18.

Detailed Description

As shown in fig. 1, a carbon steel bullet tube extension forming die comprises a male die part and a female die part; the male die part comprises a punch 13 and a slide block 12, the punch 13 is arranged in a punch chuck 14, the punch chuck 14 is arranged on the slide block 12, and the punch chuck 14 is fastened through a plug 9 and a fastener I10; the female part comprises a female die 15 and a clamping block 1, the female die 15 being fastened in the female die holder 3 by means of a female die holder fastener 6, in this embodiment a nut. The die holder 3 is arranged on the machine body 11, and a die holder cushion block 5 is arranged between the bottom of the die holder 3 and the machine body 11. The clamping block 1 is arranged between the outer side of the die holder 3 and the machine body 11, the center of the die is adjusted through the clamping block 1, so that the die is concentric with the center of the punch 13, and the die is realized through the matching movement of the inclined surface of the clamping block 1 and the inclined surface of the die holder 3, so that the die is convenient to adjust. The clamping block 1 is fixed to the body 11 by a fastener II 2. The fastener II 2 is a bolt. A bottom die lining ring 7 is arranged between the die seat fastener 6 and the die seat 3, so that the universality of the die structure is improved. The slider 12 drives the punch rod 13 fixed in the punch rod clamping head 14 by the fastener I to slide back and forth, the punch rod 13 is matched with the die 15 arranged in the die holder 3, the die holder cushion block 5 is arranged between the die holder 3 and the machine body 11, the carbon steel cylinder production speed is high, the efficiency is high, the cold extrusion extension (stretching) of the carbon steel cylinder can be realized on a horizontal cold extrusion extension machine, the material consumption is less, no waste is generated basically, the strength of the carbon steel cylinder after extension is high, the performance is good, and the precision is high.

Spacer rings 4 and die sleeves 8 are adjacently arranged between the bottom die lining rings 7 and the female die 15. The play and pre-pressing of the female die 15 can be well regulated, so that the workpiece precision is high.

As shown in fig. 2, the side wall of punch holder 14 is provided with a through hole 18. Facilitating the passage of the plug 9 in connection with the punch 13.

As shown in fig. 3, the slider 12 is provided with a fastening hole 16. The fastener I10 is convenient for installing and fastening the plug 9 on the punch rod 13.

As shown in fig. 4, the tail of the punch 13 is provided with a positioning hole 17. So that the punch 13 can be conveniently mounted in the punch holder 14.

The through holes 18 and the fastening holes 16 are communicated with the positioning holes 17, so that the fastener I10 with the plug 9 can pass through the sliding block 12 and the punch rod clamping head 14 in sequence to connect and fix the punch rod 13. The plug 9 is fixed in the positioning hole 17, and the fastener I10 is fixedly connected with the plug 9. The plug 9 is fixed at the end part of the fastener I10 and then is installed in the positioning hole 17, so that the structure is simple, the installation is convenient, the head part of the punch 13 is prevented from rotating, the bottom surface and the side surface of the plug 9 are in plane contact with the handle part of the punch 13, and the rotation of the punch 13 around the X axis is limited. The fastener I10 is a bolt, and the materials are convenient to obtain.

When the elastic tube blank is stretched, the elastic tube blank is sent into the cavity of the machine tool die 15, and under the action of strong unit extrusion force and a certain speed, the elastic tube workpiece is forced to generate plastic deformation in the cavity, so that the elastic tube body is stretched and prolonged in the cavity, and the part with the required shape and size and certain mechanical property requirement is formed.

Firstly, placing a workpiece to be cold extruded into a cavity of a female die 15; the press machine runs, the slide block 12 drives the punching rod 13, and the punching rod is extruded to the cavity of the female die 15 under the condition of specific extrusion force and speed for cold extrusion forming the workpiece; the cold extruded workpiece in the cavity immediately deforms and flows; the metal deformation flow flows between the top end and the outer wall of the punch 13 and the bottom and the inner wall of the cavity of the die 15 to form.

The flat work is cold extruded into a tubular and can-shaped product, and the metal flow during cold extrusion is along the top end and the gap between the outer wall of the male die and the bottom and the inner wall of the female die cavity, and the flow direction is the reverse direction of the sliding block, so that the back extrusion is performed. The shell barrel workpiece extends, when the workpiece is cold extruded, metal deformation flow of the workpiece flows along the top end and the outer wall of the punching rod 13 and the gaps between the bottom and the inner wall of the cavity of the female die 15, but the flow direction of the workpiece flows in the same direction of the sliding block 12, so that the workpiece is formed.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims

1. A carbon steel bullet tube extension forming die comprises a male die part and a female die part; the method is characterized in that: the male die part comprises a punch rod (13) and a sliding block (12), the punch rod (13) is arranged in a punch rod clamp (14), the punch rod clamp (14) is arranged on the sliding block (12), and the punch rod clamp (14) is fastened through a plug (9) and a fastener I (10); the die part comprises a die (15) and a clamping block (1), the die (15) is fastened in a die holder (3) through a die holder fastening piece (6), the die holder (3) is mounted on a machine body (11), a die holder cushion block (5) is arranged between the bottom of the die holder (3) and the machine body (11), the clamping block (1) is arranged between the outer side of the die holder (3) and the machine body (11), the clamping block (1) is fixed on the machine body (11) through a fastening piece II (2), and a bottom die lining ring (7) is arranged between the die holder fastening piece (6) and the die holder (3).

2. A carbon steel cartridge extension form die according to claim 1 wherein: spacer rings (4) and die sleeves (8) are adjacently arranged between the bottom die lining rings (7) and the female die (15).

3. A carbon steel cartridge extension form die according to claim 1 wherein: and a through hole (18) is formed in the side wall of the punch rod clamp (14).

4. A carbon steel cartridge extension form die according to claim 3 wherein: the slide block (12) is provided with a fastening hole (16).

5. A carbon steel cartridge extension form die according to claim 4 wherein: the tail part of the punching rod (13) is provided with a positioning hole (17).

6. A carbon steel cartridge extension form die according to claim 5 wherein: the through hole (18) and the fastening hole (16) are communicated with the positioning hole (17).

7. A carbon steel cartridge extension form die according to claim 6 wherein: the plug (9) is fixed in the positioning hole (17), and the fastener I (10) is fixedly connected with the plug (9).