Efficient cold extrusion forming female die device

Abstract

The utility model provides an efficient cold extrusion forming female die device which comprises a female die fixing mechanism, a female die, a die holder and an ejection mechanism, and the female die comprises an extrusion female die, a first-stage extrusion female die, a second-stage extrusion female die, a third-stage extrusion female die and a gear extrusion female die. The female die fixing mechanism is fixed on the upper surface of the die holder and comprises a positioning sleeve, a female die fixing sleeve, a female die cover and a hexagon socket screw, the female die fixing sleeve is arranged outside the positioning sleeve, the female die cover is arranged above the female die fixing sleeve, the inner side of the positioning sleeve is matched with the outer side of the female die, and the female die fixing mechanism is fixed through the hexagon socket screw. An ejection mechanism is arranged in the female die fixing mechanism and comprises an ejection rod and a spring, the ejection rod is in a step shape, the spring is located on the step, and the top of the ejection rod is matched with the through hole in the inner side of the female die. According to the utility model, continuous extrusion forming is realized, and the production efficiency is improved. In the using process, the extrusion jumping device is easy to install, stable in extrusion jumping and convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the relevant technical field of cold extrusion dies, in particular to a high-efficiency cold extrusion forming die device for a fuse body. Background Art

[0002] A fuze is a device or mechanism used to trigger an explosive device. It is widely used in military, civil and industrial fields to control the time and method of detonation of explosive devices. The manufacturing method of the fuze body often adopts the traditional extrusion forming process. The traditional extrusion forming process is a commonly used metal processing method. By pushing the metal material into the die, it is plastically deformed under high pressure to obtain the desired shape and size. Traditional extrusion forming is an efficient metal forming process that can produce a large number of products in a short time. Traditional extrusion forming can achieve high dimensional accuracy and surface quality to obtain products that meet the requirements. In the traditional extrusion forming process, the material utilization rate is high and almost no waste is generated. Extrusion forming is suitable for the production of products of various shapes, such as pipes, profiles, bars, etc. The extrusion forming process is widely used in many industries, including automobile manufacturing, aerospace, construction, electronics, etc. With the advancement of technology, the extrusion forming process is also constantly developing, and more variants and improved methods have emerged to meet the changing market needs. However, the traditional extrusion process requires a lot of manual operation, the degree of automation is not high, the manual operation is cumbersome, and the extrusion die cost is high and the equipment is complex. Utility Model Content

[0003] The utility model mainly aims at the shortcomings of the traditional extrusion forming process for high-precision micro-fuzes, and provides a high-efficiency cold extrusion die device. The high-efficiency cold extrusion die device is used to extrude the fuze body to achieve automatic continuous extrusion, which can reduce the production difficulty and greatly improve the production efficiency. The equipment has a simple structure, is easy to maintain, and has a low equipment investment cost.

[0004] The utility model is realized by the following technical solutions:

[0005] A high-efficiency cold extrusion die device comprises a die, a die fixing mechanism, a die base and an ejection mechanism, wherein the die comprises an extrusion die, a primary extrusion die, a secondary extrusion die, a tertiary extrusion die and a tooth extrusion die, the die fixing mechanism comprises a positioning sleeve, a die fixing sleeve, a die cover and hexagon socket bolts, the die fixing mechanism is fixed to the upper surface of the die base by the hexagon socket bolts, and has a die and an ejection mechanism built therein.

[0006] Preferably, the die includes an extrusion die, a primary extrusion die, a secondary extrusion die, a tertiary extrusion die, and a tooth extrusion die. The extrusion die, the primary extrusion die, the secondary extrusion die, the tertiary extrusion die, and the tooth extrusion die are respectively placed in five die fixing mechanisms in sequence, and the outer wall of the die cooperates with the inner wall of the positioning sleeve.

[0007] Preferably, the die fixing mechanism comprises a positioning sleeve, a die fixing sleeve, a die cover, and a hexagon socket bolt. The positioning sleeve is covered with a die fixing sleeve on the outside, and the die cover is placed above the die fixing sleeve and is threadedly connected to the positioning sleeve.

[0008] Preferably, the ejection mechanism includes an ejector rod and a spring, the ejector rod is step-shaped, the spring is located on the step, the top of the ejector rod cooperates with the through hole inside the die, and the tail of the ejector rod passes through the die base.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the high-efficiency cold extrusion forming die device can realize automatic continuous extrusion, reduce the production cycle of the fuse body, improve production efficiency, and solve the problems of low production efficiency, poor processing accuracy and high production cost in the existing fuse body processing. During use, different dies can be replaced by unscrewing the die cover, and the die fixing mechanism can be quickly disassembled by removing the hexagon socket screws between the die fixing sleeve and the positioning sleeve, which greatly facilitates the maintenance and replacement of the die. The structure is flexible and simple, the equipment investment is small, and the production cost of the fuse body is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the side view of the appearance structure of the utility model;

[0011] Figure 2 This is a cross-sectional structural diagram of the utility model;

[0012] Figure 3 It is a top view of the structure of the utility model;

[0013] Figure 4 It is an exploded view of the utility model;

[0014] Figure 5 It is a side sectional view of the utility model;

[0015] Figure 6 It is a structural diagram of the concave mold fixing mechanism in the utility model.

[0016] In the figure: 1. die; 101. extrusion die; 102. primary extrusion die; 103. secondary extrusion die; 104. tertiary extrusion die; 105. extrusion gear die; 2. die fixing mechanism; 201. die cover; 202. die fixing sleeve; 203. positioning sleeve; 204. hexagon socket bolt; 3. die base; 4. ejector mechanism; 401. extrusion die ejector pin; 402. primary extrusion die ejector pin; 403. secondary extrusion die ejector pin; 404. tertiary extrusion die ejector pin; 405. extrusion gear die ejector pin; DETAILED DESCRIPTION

[0017] The utility model will be further described with reference to the accompanying drawings.

[0018] like Figures 1 to 6 As shown, the utility model is a high-efficiency cold extrusion forming die device: comprising a die 1, a die fixing mechanism 2, a die base 3 and an ejection mechanism 4, wherein the die 1 comprises an extrusion die 101, a primary extrusion die 102, a secondary extrusion die 103, a tertiary extrusion die 104, and an extrusion tooth die 105, the die 1 is arranged in the die fixing mechanism 2, the die base 3 is arranged on the lower surface of the die fixing mechanism 2, and the ejection mechanism 4 is arranged on the inner side of the die 1, and runs through the die fixing mechanism 2 and the die base 3.

[0019] Furthermore, the die fixing mechanism 2 includes a die cover 201, a die fixing sleeve 202, a positioning sleeve 203, and a hexagon socket bolt. The outer side of the columnar part of the positioning sleeve 203 is covered with a die fixing sleeve 202, and the die cover 201 threadedly connected to the positioning sleeve 203 is provided above the die fixing sleeve 202. The inner side of the positioning sleeve 203 cooperates with the outer side of the die 1. During use, the die fixing sleeve 202 is first put on the platform of the lower half of the positioning sleeve 203, and then it is fixed as a whole to the die base 3 by the hexagon socket bolt 204, and then the die 1 is placed in the positioning sleeve 203, and finally the die cover 201 is screwed on the positioning sleeve 203 by threads, thereby fixing the die 1.

[0020] Furthermore, the outer wall size of the die 1 matches the inner wall size of the positioning sleeve, and the outer wall size of the cylindrical portion of the die fixing sleeve 202 is the same as the outer wall size of the die cover 201 , so that the die fixing mechanism 2 has a better fixing effect on the die 1 .

[0021] Furthermore, the ejection mechanism 4 is located inside the die fixing mechanism 2 and is fixed by the inner step of the positioning sleeve 203. It includes an extrusion die ejector pin 401, a primary extrusion die ejector pin 402, a secondary extrusion die ejector pin 403, a tertiary extrusion die ejector pin 404, a gear extrusion die ejector pin 405 and a spring 406. During use, the ejector pin is first placed in the positioning sleeve 203 before the die 1 is placed, and the lower surface of the step contacts the upper surface of the step inside the positioning sleeve 203. Then, the spring 406 is respectively sleeved on the extrusion die ejector pin 401, the primary extrusion die ejector pin 402, the secondary extrusion die ejector pin 403, the tertiary extrusion die ejector pin 404, and the gear extrusion die ejector pin 405. Finally, the bottom of the ejector pin is knocked mechanically, and the ejection mechanism 4 can eject the fuse body in the die 1. Then, the ejector pin is reset by the action of the spring 406 to complete the ejection effect of the ejection mechanism 4.

[0022] The beneficial effects of the utility model are as follows: the high-efficiency cold extrusion forming die device can realize automatic continuous extrusion, reduce the production cycle of the fuse body, improve production efficiency, and solve the problems of low production efficiency, poor processing accuracy and high production cost in the existing fuse body processing. During use, different dies can be replaced by unscrewing the die cover, and the die fixing mechanism can be quickly disassembled by removing the hexagon socket screws between the die fixing sleeve and the positioning sleeve, which greatly facilitates the maintenance and replacement of the die. The structure is flexible and simple, the equipment investment is small, and the production cost of the fuse body is reduced.

[0023] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An efficient cold extrusion forming die device, comprising a die (1), a die fixing mechanism (2), a die base (3) and an ejection mechanism (4), wherein the die (1) comprises an extrusion die (101), a primary extrusion die (102), a secondary extrusion die (103), a tertiary extrusion die (104) and a tooth extrusion die (105), characterized in that: A die (1) is arranged inside the die fixing mechanism (2), a die base (3) is arranged on the lower surface of the die fixing mechanism (2), and the ejection mechanism (4) is arranged inside the die (1) and penetrates the die fixing mechanism (2) and the die base (3).

2. A high-efficiency cold extrusion forming die device according to claim 1, characterized in that The die fixing mechanism (2) comprises a die cover (201), a die fixing sleeve (202), a positioning sleeve (203), and a hexagon socket bolt. The outer side of the columnar portion of the positioning sleeve (203) is covered with a die fixing sleeve (202). The upper side of the die fixing sleeve (202) is provided with a die cover (201) threadedly connected to the positioning sleeve (203). The inner side of the positioning sleeve (203) cooperates with the outer side of the die (1). The die fixing mechanism (2) is fixed by means of a hexagon socket bolt (204).

3. The high-efficiency cold extrusion forming die device according to claim 1, characterized in that: The ejection mechanism (4) is located inside the die fixing mechanism (2) and is fixed by the inner step of the positioning sleeve (203). It comprises an extrusion die ejector pin (401), a primary extrusion die ejector pin (402), a secondary extrusion die ejector pin (403), a tertiary extrusion die ejector pin (404), a tooth extrusion die ejector pin (405) and a spring (406). It plays a role in ejecting the product in the die and is automatically reset by the spring.

4. The high-efficiency cold extrusion forming die device according to claim 2, characterized in that: The cylindrical outer wall size of the positioning sleeve (203) matches the inner wall size of the die fixing sleeve (202); the bottom of the positioning sleeve (203) directly contacts the upper surface of the die base (3); and the inner wall size of the positioning sleeve (203) matches the outer wall size of the die (1).

5. The high-efficiency cold extrusion forming die device according to claim 1, characterized in that: There are five die fixing mechanisms (2) in total, which are fixed to the die base (3) in sequence by bolts (204); the extrusion die (101), the primary extrusion die (102), the secondary extrusion die (103), the tertiary extrusion die (104), and the tooth extrusion die (105) are sequentially installed in the five die fixing mechanisms (2).

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