Die changing mechanism of fastener cold header

Abstract

The utility model relates to the technical field of cold header die changing, and discloses a fastener cold header die changing mechanism which comprises a supporting plate, an installation table is fixedly installed on the top of the supporting plate, a sliding block is movably installed in the installation table, a two-way lead screw is connected into the sliding block in a threaded and sleeved mode, and the two-way lead screw is connected with a screw rod. And the two ends of the two-way lead screw completely penetrate through the interior of the mounting table, a rotating disc is fixedly mounted at one end of the two-way lead screw, and a handrail is mounted on the outer surface of the rotating disc. Compared with a traditional mechanism, through the cooperation of the third limiting groove and the positioning plate, the fixed mold plate can be conveniently and rapidly disassembled and assembled, the downtime is remarkably shortened, the production efficiency is improved, the continuity and stability of a production line are ensured, meanwhile, the maintenance cost is reduced through the design convenient to disassemble, and the production efficiency is improved. The cleaning, overhauling and replacing processes are simplified, the skill requirement and the equipment damage risk are reduced, the flexibility of the equipment is enhanced through the design, and the equipment can rapidly meet different production requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of die changing of cold heading machines, and more specifically, to a die changing mechanism of a fastener cold heading machine. Background Art

[0002] Cold heading machine is a special equipment working at room temperature. It forges the top of bars or wires through cold heading process. It is mainly used for batch production of various nuts, bolts and other fasteners. This equipment adopts cold processing technology, without heating materials, and directly manufactures the heads of bolts and screws through pressure and deformation to ensure the accuracy and strength of the products. Cold heading machine plays an important role in the field of fastener manufacturing with its efficient and stable production performance. The existing cold heading machine mold fixing method mostly adopts bolt fastening. Although this method supports the disassembly and replacement of the mold, each mold change requires the staff to screw the bolts one by one, which is inefficient. At the same time, the vibration generated by the long-term operation of the cold heading machine is easy to cause the bolts to loosen, which further causes the loosening of the mold. This not only affects the stability and production quality of the cold heading machine, but also may cause damage to the equipment, reduce production efficiency and increase maintenance costs. Therefore, improving the mold fixing method and improving the efficiency and stability of mold change are important directions for the development of cold heading machine technology. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a die changing mechanism for a fastener cold heading machine, which has the advantage of being convenient for replacing the die.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a die changing mechanism for a fastener cold heading machine, comprising a support plate, a mounting platform fixedly mounted on the top of the support plate, a slider movably mounted inside the mounting platform, a bidirectional screw rod connected to the internal thread of the slider, and both ends of the bidirectional screw rod completely penetrate the interior of the mounting platform, a turntable fixedly mounted on one end of the bidirectional screw rod, and a handrail mounted on the outer surface of the turntable;

[0005] A movable plate is fixedly installed on the front side of the slider, an L-shaped block is fixedly installed on the front side of the movable plate, a positioning groove is provided inside the mounting platform, a positioning plate is movably installed inside the positioning groove, a fixed mold plate is fixedly installed on one end of the positioning plate, a mold is fixedly installed inside the fixed mold plate, three limiting grooves are provided on the outer side of the positioning plate, and a mold groove is provided inside the mounting platform.

[0006] As an optimal technical solution of the utility model, a cold heading machine body is fixedly installed on the top of the support plate, a limiting groove 1 is provided inside the mounting table, a limiting groove 2 is provided inside the fixed template, and a limiting plate is movably installed inside the limiting groove 2 and the limiting groove 1; and the limiting plate completely penetrates the interior of the cold heading machine body, a pull ring is fixedly installed at one end of the limiting plate, and a spring is fixedly installed between the cold heading machine body and the limiting plate.

[0007] As a preferred technical solution of the utility model, a fixing groove is provided inside the support plate, and a tool box is movably installed inside the fixing groove.

[0008] As a preferred technical solution of the utility model, a support column is installed at the bottom of the support plate, a base is fixedly installed at the bottom of the support column, and the base and the support column are grouped in pairs, with a total of four groups at the bottom of the support plate.

[0009] As a preferred technical solution of the utility model, a positioning block is fixedly installed on the outer side of the mounting platform, and a positioning hole is opened inside the positioning block.

[0010] As a preferred technical solution of the present utility model, the fixed mold plate is made of carbon steel, and the number of the fixed mold plates is set to five.

[0011] The working principle and beneficial effects of the utility model are:

[0012] 1. Compared with the traditional mechanism, the utility model facilitates the rapid disassembly and assembly of the fixed template through the cooperation between the limit groove three and the positioning plate, significantly reduces the downtime, enhances the production efficiency, and ensures the continuity and stability of the production line. At the same time, the design that is easy to disassemble reduces the maintenance cost, simplifies the cleaning, maintenance and replacement process, reduces the skill requirements and the risk of equipment damage. The design also enhances the flexibility of the equipment, so that it can quickly adapt to different production needs. Finally, the optimized working environment reduces the difficulty of operation, improves work safety, and thus improves the job satisfaction of employees.

[0013] 2. Compared with the traditional mechanism, the utility model facilitates the fixation of the mounting table and the fixed template through the cooperation between the limit plate, the pull rod and the spring, effectively controls the mold gap and position, significantly improves the stability and precision of the fixed template, effectively avoids interference and friction during the mold closing process, and ensures the smooth operation of the processing process. This not only ensures the high precision and high quality of the product and meets the stringent requirements of customers, but also indirectly improves the production efficiency by reducing the scrap and rework rate, and reduces the wear and damage of the fixed template, thereby extending the service life of the fixed template and reducing the maintenance cost, bringing higher production and economic benefits to the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front three-dimensional appearance structure of the utility model;

[0015] Figure 2 It is a schematic diagram of a partial cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the overall structure of the mold plate of the utility model;

[0017] Figure 4 This is a schematic diagram of the explosion structure of the mold plate of the utility model;

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the top of the mounting platform of the utility model;

[0019] Figure 6 This is a schematic diagram of the cross-sectional structure of the installation platform of the utility model;

[0020] Figure 7 For this utility model Figure 6 Enlarge the structural diagram;

[0021] Figure 8 This is a schematic diagram of the limit block structure of the utility model.

[0022] In the figure: 1. Support plate; 2. Mounting table; 3. Cold heading machine body; 4. Support column; 5. Base; 6. Fixed groove; 7. Tool box; 8. Fixed plate; 9. Mold; 10. Limit plate; 11. Pull rod; 12. Pull ring; 13. Positioning block; 14. Positioning hole; 15. Limit groove one; 16. Limit groove two; 17. Positioning plate; 18. Positioning groove; 19. Mold groove; 20. Limit groove three; 21. Moving plate; 22. L-shaped block; 23. Bidirectional screw rod; 24. Slider; 25. Turntable; 26. Handrail; 27. Spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 8As shown, the utility model provides a die changing mechanism for a fastener cold heading machine, comprising a support plate 1, a mounting platform 2 is fixedly mounted on the top of the support plate 1, a slider 24 is movably mounted inside the mounting platform 2, a bidirectional screw rod 23 is sleeved on the internal thread of the slider 24, and both ends of the bidirectional screw rod 23 completely penetrate the interior of the mounting platform 2, a turntable 25 is fixedly mounted on one end of the bidirectional screw rod 23, and a handrail 26 is mounted on the outer surface of the turntable 25;

[0025] A movable plate 21 is fixedly installed on the front of the slider 24, an L-shaped block 22 is fixedly installed on the front of the movable plate 21, a positioning groove 18 is provided inside the mounting platform 2, a positioning plate 17 is movably installed inside the positioning groove 18, a fixed template 8 is fixedly installed at one end of the positioning plate 17, a mold 9 is fixedly installed inside the fixed template 8, a limiting groove 20 is provided on the outer side of the positioning plate 17, and a mold groove 19 is provided inside the mounting platform 2.

[0026] The staff needs to replace the fixed template 8 by holding the handrail 26, and driving the turntable 25 to rotate through the handrail 26, and driving the bidirectional screw rod 23 to rotate inside the mounting table 2 and the slider 24 through the turntable 25, and driving the slider 24 and the movable plate 21 to move left and right through the bidirectional screw rod 23, and driving the L-shaped block 22 to slowly remove the inside of the limit groove 3 20 through the movable plate 21, so as to release the internal restriction of the positioning plate 17, and then holding the fixed template 8, the fixed template 8 slowly removes the positioning plate 17 from the inside of the positioning groove 18, and at the same time slowly removes the mold 9 from the inside of the mold groove 19, thereby completing the disassembly of the fixed template 8.

[0027] The fixed template 8 needs to be replaced. By holding the handrail 26, the turntable 25 is driven to rotate by the handrail 26, and the turntable 25 drives the bidirectional screw 23 to rotate inside the mounting table 2 and the slider 24. The bidirectional screw 23 drives the slider 24 and the movable plate 21 to move left and right. The movable plate 21 drives the L-shaped block 22 to slowly remove the inside of the limit groove 3 20, so as to release the internal restriction of the positioning plate 17. Then, holding the fixed template 8, the fixed template 8 slowly removes the positioning plate 17 from the inside of the positioning groove 18, and at the same time, slowly removes the mold 9 from the inside of the mold groove 19, thereby completing the disassembly of the fixed template 8. Compared with the traditional mechanism, the mechanism facilitates the rapid disassembly and assembly of the fixed template 8 through the cooperation between the limit groove 3 20 and the positioning plate 17, significantly reduces downtime, enhances production efficiency, and ensures the continuity and stability of the production line. At the same time, the design that is easy to disassemble reduces maintenance costs, simplifies the cleaning, maintenance and replacement processes, reduces skill requirements and the risk of equipment damage. The design also enhances the flexibility of the equipment, enabling it to quickly adapt to different production needs. Finally, the optimized working environment reduces the difficulty of operation, improves work safety, and thus improves employee job satisfaction.

[0028] Among them, the cold heading machine body 3 is fixedly installed on the top of the support plate 1, a limiting groove 15 is provided inside the mounting platform 2, a limiting groove 2 16 is provided inside the fixed template 8, and a limiting plate 10 is movably installed inside the limiting groove 2 16 and the limiting groove 1 15; and the limiting plate 10 completely penetrates the interior of the cold heading machine body 3, a pull ring 12 is fixedly installed at one end of the limiting plate 10, and a spring 27 is fixedly installed between the cold heading machine body 3 and the limiting plate 10.

[0029] The staff needs to remove the fixed template 8 from the mounting table 2, hold the pull ring 12 by hand, pull the pull rod 11 through the pull ring 12 to move inside the cold heading machine body 3, and then pull the limit plate 10 through the pull rod 11, and squeeze the spring 27 through the limit plate 10, so that the limit plate 10 slowly removes the inside of the limit groove 15 and the limit groove 2 16, thereby releasing the restriction on the fixed template 8 and the mounting table 2, and removing the fixed template 8 from the inside of the mounting table 2.

[0030] It is necessary to remove the fixed template 8 from the inside of the mounting table 2, hold the pull ring 12 by hand, pull the pull rod 11 through the pull ring 12 to move inside the cold heading machine body 3, and then pull the limit plate 10 through the pull rod 11, and squeeze the spring 27 through the limit plate 10, so that the limit plate 10 slowly removes the inside of the limit groove 15 and the limit groove 2 16, so that the restriction on the fixed template 8 and the mounting table 2 is released, so that the fixed template 8 is removed from the inside of the mounting table 2. When the fixed template 8 needs to be installed, the fixed template 8 is slowly placed into the inside of the mounting table 2. At this time, the limit plate 10, through the cooperation between the spring 27 and the pull rod 11, is convenient for quickly entering the inside of the limit groove 15 and the limit groove 2 16, thereby completing Compared with the traditional mechanism, this mechanism fixes the fixed template 8 and the mounting platform 2, which is convenient for fixing the mounting platform 2 and the fixed template 8 through the cooperation between the limit plate 10, the pull rod 11 and the spring 27, effectively controls the mold gap and position, significantly improves the stability and precision of the fixed template 8, effectively avoids interference and friction during the mold closing process, and ensures the smooth operation of the processing process. This not only ensures the high precision and high quality of the product and meets the stringent requirements of customers, but also indirectly improves production efficiency by reducing scrap and rework rates. Fixation reduces the wear and damage of the fixed template 8, thereby extending the service life of the fixed template 8 and reducing maintenance costs, bringing higher production and economic benefits to the enterprise.

[0031] A fixing groove 6 is provided inside the support plate 1 , and a tool box 7 is movably installed inside the fixing groove 6 .

[0032] By holding the tool box 7, the tool box 7 is slowly placed into the fixing groove 6, and the tool box 7 is fixed by the fixing groove 6. By adding the tool box 7, when the staff repairs the cold heading machine body 3, it is convenient to take out the maintenance tools from the tool box 7 and repair the cold heading machine body 3, thereby improving the work efficiency.

[0033] Among them, a support column 4 is installed at the bottom of the support plate 1, and a base 5 is fixedly installed at the bottom of the support column 4. The base 5 and the support column 4 are grouped in pairs, and there are four groups at the bottom of the support plate 1.

[0034] Through the cooperation between the support column 4 and the base 5, it is convenient to support the support plate 1 and the mounting platform 2, which ensures the stability of the cold heading machine body 3 and the mounting platform 2 during use, reduces the shaking of the cold heading machine body 3 during operation, and extends the service life of the cold heading machine body 3.

[0035] A positioning block 13 is fixedly mounted on the outer side of the mounting platform 2 , and a positioning hole 14 is formed inside the positioning block 13 .

[0036] By slowly screwing the bolt into the positioning hole 14, fixing the positioning hole 14 and the positioning block 13 through the bolt, and then fixing the mounting platform 2 through the positioning block 13, it is convenient to fix the mounting platform 2 more stably, ensure the quality and accuracy of the bolt, meet production requirements, ensure the stability of the mounting platform 2 during use, and improve the use efficiency of the mounting platform 2.

[0037] The fixed mold plate 8 is made of carbon steel, and the number of the fixed mold plates 8 is set to five.

[0038] Since the fixed template 8 is made of carbon steel, the fixed template 8 made of carbon steel can obtain higher hardness, wear resistance and processing performance, and the manufacturing cost is relatively low. The number of fixed templates 8 is set to five, which is convenient for the production of bolts.

[0039] The working principle and use process of this utility model:

[0040] The staff needs to replace the fixed template 8 by holding the handrail 26, and driving the turntable 25 to rotate through the handrail 26, and driving the bidirectional screw rod 23 to rotate inside the mounting table 2 and the slider 24 through the turntable 25, and driving the slider 24 and the movable plate 21 to move left and right through the bidirectional screw rod 23, and driving the L-shaped block 22 to slowly remove the inside of the limit groove 3 20 through the movable plate 21, so as to release the internal restriction of the positioning plate 17, and then holding the fixed template 8, the fixed template 8 slowly removes the positioning plate 17 from the inside of the positioning groove 18, and at the same time slowly removes the mold 9 from the inside of the mold groove 19, thereby completing the disassembly of the fixed template 8.

[0041] The staff needs to remove the fixed template 8 from the mounting table 2, hold the pull ring 12 by hand, pull the pull rod 11 through the pull ring 12 to move inside the cold heading machine body 3, and then pull the limit plate 10 through the pull rod 11, and squeeze the spring 27 through the limit plate 10, so that the limit plate 10 slowly removes the inside of the limit groove 15 and the limit groove 2 16, thereby releasing the restriction on the fixed template 8 and the mounting table 2, and removing the fixed template 8 from the inside of the mounting table 2.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0044] The above are only preferred 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. A die changing mechanism for a fastener cold heading machine, comprising a support plate (1), characterized in that: A mounting platform (2) is fixedly mounted on the top of the support plate (1), a slider (24) is movably mounted inside the mounting platform (2), a bidirectional screw rod (23) is sleeved on the internal thread of the slider (24), and both ends of the bidirectional screw rod (23) completely penetrate the interior of the mounting platform (2), a turntable (25) is fixedly mounted on one end of the bidirectional screw rod (23), and a handrail (26) is mounted on the outer surface of the turntable (25); A movable plate (21) is fixedly mounted on the front of the sliding block (24), an L-shaped block (22) is fixedly mounted on the front of the movable plate (21), a positioning groove (18) is provided inside the mounting platform (2), a positioning plate (17) is movably mounted inside the positioning groove (18), a fixed mold plate (8) is fixedly mounted on one end of the positioning plate (17), a mold (9) is fixedly mounted inside the fixed mold plate (8), a limiting groove (20) is provided on the outer side of the positioning plate (17), and a mold groove (19) is provided inside the mounting platform (2).

2. A die changing mechanism for a fastener cold heading machine according to claim 1, characterized in that: A cold heading machine body (3) is fixedly mounted on the top of the support plate (1); a first limiting groove (15) is provided inside the mounting platform (2); a second limiting groove (16) is provided inside the fixed template (8); a limiting plate (10) is movably mounted inside the second limiting groove (16) and the first limiting groove (15); and the limiting plate (10) completely penetrates the interior of the cold heading machine body (3); a pull ring (12) is fixedly mounted on one end of the limiting plate (10); and a spring (27) is fixedly mounted between the cold heading machine body (3) and the limiting plate (10).

3. The die changing mechanism of a fastener cold heading machine according to claim 1, characterized in that: A fixing groove (6) is provided inside the support plate (1), and a tool box (7) is movably installed inside the fixing groove (6).

4. The die changing mechanism of a fastener cold heading machine according to claim 1, characterized in that: A support column (4) is installed at the bottom of the support plate (1), and a base (5) is fixedly installed at the bottom of the support column (4), and the base (5) and the support column (4) are arranged in groups of two, with a total of four groups at the bottom of the support plate (1).

5. The die changing mechanism of a fastener cold heading machine according to claim 1, characterized in that: A positioning block (13) is fixedly mounted on the outer side of the mounting platform (2), and a positioning hole (14) is provided inside the positioning block (13).

6. The die changing mechanism of a fastener cold heading machine according to claim 1, characterized in that: The fixed mold plates (8) are made of carbon steel, and the number of the fixed mold plates (8) is set to five.

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