Titanium alloy cold header

Abstract

The utility model relates to the technical field of titanium alloy machining, and discloses a titanium alloy cold header. Comprising a box body, a through hole is formed in the left side of the box body, a tensioning assembly is fixedly installed at the bottom in the box body, a driving assembly is fixedly installed on the upper portion in the box body, the tensioning assembly comprises a first motor fixedly installed on the right side of the box body, a lead screw is rotationally installed on the lower portion in the box body, and the lead screw is sleeved with paired sliding sleeves; compared with the prior art, the titanium alloy material tensioning and positioning device has the advantages that components such as the lead screw, the sliding sleeve, the sliding grooves and the moving blocks are adopted, accurate tensioning and positioning of titanium alloy materials can be achieved, the machining precision can be improved, the machining efficiency is improved, and the machining cost is reduced. And through the design of a second motor, a driving box, a transmission gear and other assemblies, continuous hammering machining of the materials can be achieved, and the machining efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of titanium alloy processing, in particular to a titanium alloy cold heading machine. Background Art

[0002] Titanium alloy, as a metal material with excellent mechanical properties and corrosion resistance, is widely used in aerospace, medical equipment, chemical industry and other fields. Cold heading is a processing method that causes metal materials to undergo plastic deformation under pressure at room temperature. It is often used for stretching, compression, extrusion and other forming operations on metal materials. Titanium alloy has high strength, low density, excellent corrosion resistance and good high temperature performance, but its plasticity is poor, it is easy to produce chips and difficult to cut. Cold heading uses the plastic deformation characteristics of metal materials at room temperature to plastically deform the material through pressure. It can usually be used to produce bolts, nuts, pins and other products.

[0003] Among them, the publication number CN208303754U discloses a cold heading device for special titanium alloy fasteners. It includes a base, the upper end of the base is fixedly connected to a box, a cavity is opened in the box, a support block is arranged in the cavity, a first motor is fixedly connected to the side wall of the cavity, a threaded rod is arranged at the driving end of the first motor, and the end of the threaded rod away from the first motor passes through the support block and is connected to the side wall of the cavity, the support block is rotatably connected to the threaded rod, a moving block is sleeved on the threaded rod, and the moving block is threadedly connected to the threaded rod, the end of the moving block away from the threaded rod passes through the side wall of the cavity and extends into the box, two mounting plates are horizontally and symmetrically fixedly connected in the box, three mounting blocks are fixedly connected to each mounting plate, a driving mechanism is arranged on each mounting block, and the end of the moving block away from the threaded rod is located between the two mounting blocks.

[0004] However, the existing titanium alloy processing cold heading machines only have a fixed function, and the tensile and ductile properties of the material are not well utilized. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a titanium alloy cold heading machine, which has a compact and stable structure, can firmly fix the processed workpiece, and can accurately tension the material.

[0006] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is:

[0007] A titanium alloy cold heading machine comprises a box body, a through hole is opened on the left side of the box body, a partition is fixedly installed on the inner side of the box body, a tensioning assembly is fixedly installed on the bottom of the box body, and a driving assembly is fixedly installed on the upper part of the box body;

[0008] The tensioning assembly includes a first motor fixedly mounted on the right side of the box body, a screw rod is rotatably mounted in the lower part of the box body, a pair of sliding sleeves are sleeved on the screw rod, a first rotating support is fixedly mounted in front and behind the sliding sleeves, a pair of fixing bars are fixedly mounted on the bottom of the box body, a pair of sliding grooves are opened in the fixing bars, a moving block is slidably mounted in the sliding grooves, and a second rotating support is fixedly mounted on both left and right ends of the inner side of the moving block;

[0009] The driving assembly includes a second motor fixedly installed on the upper right side of the box body, the output end of the second motor is connected to the first pulley, a driving box is fixedly installed on the upper right side of the box body, a transmission gear is rotatably installed in the driving box, a lifting groove is opened on the left side of the driving box, a rack is slidably installed in the lifting groove, and a cold heading ball is fixedly installed at the bottom of the rack.

[0010] As an improvement, the tensioning assembly also includes a pair of pressure plate boxes fixedly installed on the upper end of the moving block, and multiple telescopic rods are fixedly installed in the pressure plate boxes. Springs are sleeved on the outside of the telescopic rods, and pressure plates are fixedly installed on the tops of the telescopic rods.

[0011] As an improvement, the first motor and the second motor are both fixedly mounted on the right side of the partition, and the output ends of the first motor and the second motor both extend to the left side of the partition.

[0012] As an improvement, a partition block is sleeved in the middle of the screw rod, and the screw rod has an opposite thread to the partition block.

[0013] As an improvement, the moving block is perpendicular to the screw rod, and a sliding block is fixedly installed at the bottom of the moving block, and the sliding block slides in the sliding groove.

[0014] As an improvement, the first rotating support is rotatably linked to the adjacent second rotating support by a connecting shaft, and the pressure plate box is located at the front and rear ends of the two moving blocks.

[0015] As an improvement, a second pulley is rotatably installed in the driving box, and the first pulley and the second pulley are tightly connected by a transmission belt.

[0016] As an improvement, the second pulley rotates coaxially with the transmission gear, the rack is meshed with the transmission gear, and the rack extends to the lower part of the drive box.

[0017] Compared with the prior art, the utility model has the following advantages: through the layout design of the box body, partition, tensioning assembly and drive assembly, the structure of the entire equipment is compact and stable, which is conducive to the processing operation; the use of components such as screw rods, sleeves, slide grooves, moving blocks, etc. can achieve precise tensioning and positioning of titanium alloy materials, which is conducive to improving processing accuracy; through the design of components such as the second motor, drive box, transmission gears, etc., continuous hammering processing of materials can be achieved, which is conducive to improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structural section of a titanium alloy cold heading machine of the utility model;

[0019] Figure 2 It is a partial structural top view schematic diagram of a titanium alloy cold heading machine of the utility model;

[0020] Figure 3 This is an enlarged view of the structural details of point A of a titanium alloy cold heading machine of the utility model.

[0021] Reference table of reference numerals:

[0022] 1. Box body; 2. Through hole; 201. Partition; 3. Tensioning assembly; 301. First motor; 302. Screw rod; 303. Separation block; 304. Sliding sleeve; 305. Moving block; 306. First rotating support; 307. Second rotating support; 308. Connecting shaft; 309. Fixing bar; 310. Slide groove; 311. Sliding block; 312. Pressing plate box; 313. Telescopic rod; 314. Spring; 315. Pressing sheet; 4. Driving assembly; 401. Second motor; 402. First pulley; 403. Driving box; 404. Transmission gear; 405. Transmission belt; 406. Lifting groove; 407. Rack; 408. Cold heading ball; 409. Second pulley. DETAILED DESCRIPTION

[0023] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0024] like Figure 1-3 As shown, a titanium alloy cold heading machine comprises a box body 1, a through hole 2 is opened on the left side of the box body 1, a partition 201 is fixedly installed on the inner side of the box body 1, a tensioning assembly 3 is fixedly installed on the bottom of the box body 1, and a driving assembly 4 is fixedly installed on the upper part of the box body 1;

[0025] The tensioning assembly 3 includes a first motor 301 fixedly mounted on the right side of the box body 1, a screw rod 302 is rotatably mounted at the lower part of the box body 1, a partition block 303 is sleeved in the middle of the screw rod 302, and the screw rod 302 has an opposite thread to the partition block 303, a pair of sliding sleeves 304 are sleeved on the screw rod 302, and a first rotating support 306 is fixedly mounted on the front and rear of the sliding sleeve 304, a pair of fixed bars 309 are fixedly mounted at the bottom of the box body 1, a pair of sliding grooves 310 are opened in the fixed bars 309, and a moving block 305 is slidably mounted in the sliding grooves 310, and the moving block 305 is perpendicular to the screw rod 302. A slider 311 is fixedly installed at the bottom of 305, and the slider 311 slides in the slide groove 310. A second rotating support 307 is fixedly installed at both ends of the inner side of the moving block 305. The first rotating support 306 is rotatably linked with the adjacent second rotating support 307 by a connecting shaft 308. A pair of pressure plate boxes 312 are fixedly installed on the upper end of the moving block 305. The pressure plate boxes 312 are located at the front and rear ends of the two moving blocks 305. A plurality of telescopic rods 313 are fixedly installed in the pressure plate boxes 312. Springs 314 are sleeved on the outside of the telescopic rods 313, and pressing plates 315 are fixedly installed on the tops of the telescopic rods 313.

[0026] The driving assembly 4 includes a second motor 401 fixedly mounted on the upper right side of the box body 1, the first motor 301 and the second motor 401 are both fixedly mounted on the right side of the partition 201, and the output ends of the first motor 301 and the second motor 401 are both extended to the left side of the partition 201, the output end of the second motor 401 is connected to the first pulley 402, the second pulley 409 is rotatably mounted in the driving box 403, the first pulley 402 and the second pulley 409 are tightly connected with a transmission belt 405, a driving box 403 is fixedly mounted on the upper right side of the box body 1, a transmission gear 404 is rotatably mounted in the driving box 403, the second pulley 409 rotates coaxially with the transmission gear 404, a lifting groove 406 is opened on the left side of the driving box 403, a rack 407 is slidably mounted in the lifting groove 406, the rack 407 is meshed with the transmission gear 404, and the rack 407 extends to the lower part of the driving box 403, and a cold heading ball 408 is fixedly mounted at the bottom of the rack 407.

[0027] When the utility model is working, the titanium alloy material to be processed is first placed in the front and rear two pressure plate boxes 312, and the telescopic rod 313 is started, so that the front and rear pressure plates 315 press the material. When the material needs to be stretched, the first motor 301 is started, and the motor drives the screw rod 302 to rotate, so that the two sliding sleeves 304 move closer or farther, and the rotating shaft rotates accordingly, and the moving block 305 slides in the sliding groove 310 accordingly, and the material is stretched. When cold heading processing is performed, the second motor 401 is started, and the second motor 401 drives the first pulley 402 and the second pulley 409 to rotate, and the transmission gear 404 rotates accordingly, driving the rack 407 to slide in the lifting groove 406, so that the cold heading ball 408 repeatedly hammers the material.

[0028] The above description is only a preferred embodiment of the present utility model patent and is not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. A titanium alloy cold heading machine, comprising a housing (1), characterized in that: A through hole (2) is opened on the left side of the box body (1), a partition (201) is fixedly installed on the inner side of the box body (1), a tensioning assembly (3) is fixedly installed on the inner bottom of the box body (1), and a driving assembly (4) is fixedly installed on the inner upper part of the box body (1); The tensioning assembly (3) comprises a first motor (301) fixedly mounted on the right side of the box body (1); a screw rod (302) is rotatably mounted in the lower part of the box body (1); a pair of sliding sleeves (304) are sleeved on the screw rod (302); first rotating supports (306) are fixedly mounted at the front and rear of the sliding sleeves (304); a pair of fixing bars (309) are fixedly mounted at the bottom of the box body (1); a pair of sliding grooves (310) are formed in the fixing bars (309); moving blocks (305) are slidably mounted in the sliding grooves (310); and second rotating supports (307) are fixedly mounted at both left and right ends of the inner side of the moving blocks (305); The driving assembly (4) comprises a second motor (401) fixedly mounted on the upper right side of the housing (1); the output end of the second motor (401) is connected to a first pulley (402); a driving box (403) is fixedly mounted on the upper right side of the housing (1); a transmission gear (404) is rotatably mounted in the driving box (403); a lifting groove (406) is opened on the left side of the driving box (403); a rack (407) is slidably mounted in the lifting groove (406); and a cold heading ball (408) is fixedly mounted at the bottom of the rack (407).

2. A titanium alloy cold heading machine according to claim 1, characterized in that: The tensioning assembly (3) further comprises a pair of pressure plate boxes (312) fixedly mounted on the upper end of the moving block (305), a plurality of telescopic rods (313) being fixedly mounted in the pressure plate boxes (312), springs (314) being sleeved on the outside of the telescopic rods (313), and a pressing plate (315) being fixedly mounted on the top of the telescopic rods (313).

3. A titanium alloy cold heading machine according to claim 1, characterized in that: The first motor (301) and the second motor (401) are both fixedly mounted on the right side of the partition (201), and the output ends of the first motor (301) and the second motor (401) extend to the left side of the partition (201).

4. A titanium alloy cold heading machine according to claim 1, characterized in that: A partition block (303) is sleeved in the middle of the screw rod (302), and the screw rod (302) has a thread opposite to that of the partition block (303).

5. The titanium alloy cold heading machine according to claim 1, characterized in that: The moving block (305) is perpendicular to the screw rod (302), and a sliding block (311) is fixedly mounted on the bottom of the moving block (305), and the sliding block (311) slides in the sliding groove (310).

6. A titanium alloy cold heading machine according to claim 2, characterized in that: The first rotating support (306) and the adjacent second rotating support (307) are rotatably linked by a connecting shaft (308), and the pressure plate box (312) is located at the front and rear ends of the two moving blocks (305).

7. The titanium alloy cold heading machine according to claim 1, characterized in that: A second pulley (409) is rotatably mounted in the driving box (403), and a transmission belt (405) is tightly connected between the first pulley (402) and the second pulley (409).

8. A titanium alloy cold heading machine according to claim 7, characterized in that: The second pulley (409) rotates coaxially with the transmission gear (404), the rack (407) is meshed with the transmission gear (404), and the rack (407) extends to the lower part of the driving box (403).

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