Wire-drawing die trimming device

Abstract

The utility model discloses a wire-drawing die trimming device which comprises a supporting frame body, an electric control system, an axial sliding assembly and a radial rotating assembly. The supporting frame body comprises a box body and supporting legs, and the electric control system is arranged on a front panel of the box body; the axial sliding assembly and the radial rotating assembly are both arranged on the supporting frame body and electrically connected with the electric control system. The axial sliding assembly and the radial rotating assembly are both arranged on the supporting frame body and electrically connected with the electric control system. The structure of the wire clamping component is optimized, so that the tensioning degree of the polishing wire can be quickly adjusted and the polishing wire can be tightened; the axial sliding assembly and the radial rotating assembly achieve mutual cooperation of up-down movement of the polishing wire and rotating action of the wire-drawing die, the structure is stable, and the machining efficiency and the finished product precision of the wire-drawing die are effectively improved. The electric control system realizes multiple control modes, and is simple to operate and convenient to control.

Description

Technical Field

[0001] The utility model relates to the technical field of wire preparation, and particularly relates to a wire drawing die trimming device. Background Art

[0002] In the process of preparing existing metal wires, such as in the preparation of tungsten wire diamond wires, a wire drawing die is required to draw the wire into a wire, forming wires with different diameters of various specifications. The accuracy of the wire drawing die is an important guarantee for the quality of the wire products. Therefore, special trimming equipment is needed for the production and repair of wire drawing dies, and the accuracy of the trimming equipment also restricts the yield rate of the production and repair of wire drawing dies. Currently, most of the die polishing machines on the market are driven by a servo motor to drive a pulley. After multiple-stage transmission, axial rotation and radial rotation are finally formed to trim the die. Its structure is complex, and belt slipping is extremely likely to occur in multiple-stage transmission. The overall operation is unstable, the polishing wire breaks, and the inner hole of the die is unevenly polished. Summary of the Invention

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a wire drawing die trimming device with stable operation, guaranteed processing accuracy, and improved processing efficiency.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A wire drawing die trimming device includes a support frame body, an electric control system, an axial sliding assembly, and a radial rotation assembly;

[0006] The support frame body includes a box body and support legs. An installation layer board is arranged in the box body, and upper and lower corresponding long grooves are arranged on the front panel of the box body; the electric control system is arranged on the front panel of the box body, and both the axial sliding assembly and the radial rotation assembly are arranged on the support frame body and are electrically connected to the electric control system;

[0007] The axial sliding assembly includes an axial motor, a rotating arm, a connecting rod, a fixed shaft, a connecting rod pin, a sliding frame, a sliding rod, a sliding frame installation beam, a spring, a spring limiting block, a wire clamping assembly, and a polishing wire; the axial motor is arranged on the inner bottom plate of the box body of the support frame body; the rotating arm is arranged on the output shaft of the axial motor and is driven to rotate by the motor; bearings are arranged at both ends of the connecting rod; one end of the fixed shaft is arranged in the lower bearing of the connecting rod, and the other end is connected to the rotating arm; the connecting rod pin is arranged in the middle of the lower side of the sliding frame and is located in the upper bearing of the connecting rod; the sliding frame is in an I shape, and sliding bushings are symmetrically arranged on the upper and lower sides of both sides of the sliding frame. Two sliding rods are respectively arranged in the corresponding sliding bushings; the sliding frame installation beams are respectively arranged at the upper and lower ends of the two sliding rods, and the sliding frame installation beams are arranged on the inner wall of the front panel of the box body; the spring limiting block is arranged on the outer edge of the sliding rod between the upper and lower ends of the sliding frame, and the spring is arranged on the outer edge of the sliding rod between the spring limiting block and the sliding frame; the wire clamping assemblies are correspondingly arranged at the upper and lower ends of the sliding frame; both ends of the polishing wire are clamped and arranged on the front side of the support frame body through the two wire clamping assemblies;

[0008] The radial rotation assembly includes a radial motor, a driving pulley, a belt, a die holder bracket, a die holder, a driven pulley, and a die pressing cover; the output shaft of the radial motor is arranged downward on the mounting laminate in the box body, and the driving pulley is arranged on the output shaft of the radial motor; the die holder bracket is arranged on the outer side of the front panel between the two wire clamping assemblies; the die holder is arranged at the front end of the die holder bracket through a bearing, and a central hole is arranged in the center of the die holder; the driven pulley is arranged corresponding to the driving pulley at the lower end of the die holder, the belt is wound around the driving pulley and the driven pulley, and the belt is respectively located on both sides of the carriage and passes through the front panel; the die pressing cover is arranged on the die holder, and a central hole concentric with the die holder is arranged on the die pressing cover; the polishing wire passes through the central holes of the die holder and the die pressing cover.

[0009] Specifically, the electric control system includes a timer, a timer switch, an axial rotation switch, an axial motor speed controller, a radial switch, and a radial motor speed controller.

[0010] Specifically, the wire clamping assembly includes a telescopic arm, a support arm, a wire clamping plate, and a knurled screw; the telescopic arms are respectively arranged in the middle of the upper and lower ends of the carriage through screws, and the front ends of the telescopic arms are all located in the corresponding long sliding grooves on the front panel; the support arm has a U-shaped structure, and the rear end of the support arm is connected to the telescopic arm; the wire clamping plates are respectively arranged relatively on both sides of the front end of the support arm through knurled screws, and both ends of the polishing wire are clamped by the wire clamping plates respectively.

[0011] More specifically, an adjusting assembly is further arranged between the support arm and the telescopic arm of the wire clamping assembly at the upper end of the carriage. The adjusting assembly includes a guide sleeve, an adjusting rod, an adjusting sleeve, and a cushion sleeve; the guide sleeve is arranged at the front end of the telescopic arm, the adjusting rod is vertically arranged in the guide sleeve, the support arm is arranged at the lower end of the adjusting rod, the adjusting sleeve is screwed on the upper end of the support arm, and the cushion sleeve is arranged on the adjusting rod between the adjusting sleeve and the guide sleeve.

[0012] More specifically, the outer edge of the adjusting sleeve is provided with knurling for convenient rotation.

[0013] Specifically, a plurality of mounting holes are uniformly arranged at the rear end of the telescopic arm, and the length of the telescopic arm extending out of the front panel can be adjusted according to the processing needs to adapt to the use of various working conditions.

[0014] Due to the adoption of the above technical solutions, the present utility model has the following advantages:

[0015] The structure of the wire clamping assembly of the present utility model is optimized, and the quick adjustment and clamping of the polishing wire tension can be realized; the axial sliding assembly and the radial rotation assembly cooperate with each other to realize the up and down movement of the polishing wire and the rotation movement of the wire drawing die, with a stable structure, effectively improving the processing efficiency and finished product accuracy of the wire drawing die; the electric control system realizes a variety of control modes, with simple operation and convenient control. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0017] Figure 2 It is a schematic diagram of the interior of the present utility model.

[0018] Figure 3 It is a partial schematic diagram of the axial sliding assembly and the radial rotating assembly of the present utility model.

[0019] Figure 4 It is a schematic diagram of the axial sliding assembly of the present utility model.

[0020] Figure 5 It is a partial side-sectional schematic diagram of the radial rotating assembly of the present utility model.

[0021] In the figure: 1 - support frame body, 11 - box body, 12 - support leg, 13 - mounting laminate, 2 - electric control system, 21 - timer, 22 - timer switch, 23 - axial rotation switch, 24 - axial motor speed controller, 25 - radial switch, 26 - radial motor speed controller, 3 - axial sliding assembly, 30 - axial motor, 31 - swing arm, 32 - connecting rod, 33 - fixed shaft, 34 - connecting rod pin, 35 - carriage, 36 - slide bar, 37 - carriage mounting beam, 38 - spring, 39 - spring limit block, 40 - wire clamping assembly, 401 - telescopic arm, 402 - support arm, 403 - wire clamping plate, 404 - knurled screw, 405 - guide sleeve, 406 - adjusting rod, 407 - adjusting sleeve, 408 - spacer sleeve, 4 - radial rotating assembly, 41 - radial motor, 42 - driving pulley, 43 - belt, 44 - die holder bracket, 45 - die holder, 46 - driven pulley, 47 - die pressing cover, 48 - bearing. Specific embodiments

[0022] The present utility model will be further explained and illustrated below in conjunction with the accompanying drawings and embodiments. The protection scope of the present utility model cannot be limited thereby. The purpose of disclosing the present utility model is to protect all technical improvements within the scope of the present utility model.

[0023] Combined with the attached Figures 1-5 A tungsten wire drawing die trimming device shown, which includes a support frame body 1, an electric control system 2, an axial sliding assembly 3 and a radial rotating assembly 4.

[0024] The support frame body 1 includes a box body 11 and support legs 12. An installation laminate 13 is provided inside the box body 11, and long grooves corresponding up and down are provided on the front panel of the box body 11; the electric control system 2 is arranged on the front panel of the box body 11; the electric control system 2 includes a timer 21, a timer switch 22, an axial rotation switch 23, an axial motor speed controller 24, a radial switch 25 and a radial motor speed controller 26.

[0025] The axial sliding assembly 3 includes an axial motor 30, a swing arm 31, a connecting rod 32, a fixed shaft 33, a connecting rod pin 34, a carriage 35, a slide bar 36, a carriage mounting beam 37, a spring 38, a spring limit block 39, a wire clamping assembly 40 and a polishing wire; the axial motor 30 is arranged on the inner bottom plate of the box body 11 of the support frame body 1; the swing arm 31 is arranged on the output shaft of the axial motor 30 and is driven to rotate by the motor; bearings are arranged at both ends of the connecting rod 32; one end of the fixed shaft 33 is arranged in the lower bearing of the connecting rod 32, and the other end is connected to the swing arm 31; the connecting rod pin 34 is arranged in the middle of the lower side of the carriage 35 and is located in the upper bearing of the connecting rod 32; the carriage 35 is in an I-shaped structure, and sliding bushings are symmetrically arranged on the upper and lower sides of both sides of the carriage 35, and the two slide bars 36 are respectively arranged in the corresponding sliding bushings; the carriage mounting beams 37 are respectively arranged at the upper and lower ends of the two slide bars 36, and the carriage mounting beam 37 is arranged on the inner wall of the front panel of the box body 11; the spring limit block 39 is arranged on the outer edge of the slide bar 36 between the upper and lower ends of the carriage 35, and the spring 38 is arranged on the outer edge of the slide bar 36 between the spring limit block 39 and the carriage 35; the wire clamping assemblies 40 are correspondingly arranged at the upper and lower ends of the carriage 35; the wire clamping assembly 40 includes a telescopic arm 401, a support arm 402, a wire clamping plate 403 and a knurled screw 404; a plurality of mounting holes are uniformly arranged at the rear end of the telescopic arm 401, the telescopic arms 401 are respectively arranged in the middle of the upper and lower ends of the carriage 35 through screws, the front ends of the telescopic arms 401 are all located in the corresponding long grooves on the front panel, and the mounting holes can adjust the length of the telescopic arm 401 extending out of the front panel according to the processing requirements, suitable for use in a variety of working conditions; the support arm 402 is in a U-shaped structure, and the rear end of the support arm 402 is connected to the telescopic arm 401; the wire clamping plates 403 are respectively arranged on both sides of the front end of the support arm 402 through the knurled screws 404 relatively, and both ends of the polishing wire are clamped by the wire clamping plates 403.

[0026] Preferably, an adjusting assembly is further arranged between the support arm 402 and the telescopic arm 401 of the wire clamping assembly 40 at the upper end of the carriage 35. The adjusting assembly includes a guide sleeve 405, an adjusting rod 406, an adjusting sleeve 407 and a cushion sleeve 408; the guide sleeve 405 is arranged at the front end of the telescopic arm 401, the adjusting rod 406 is vertically arranged in the guide sleeve 405, the support arm 402 is arranged at the lower end of the adjusting rod 406, the adjusting sleeve 407 is screwed on the upper end of the support arm 402, knurling is arranged on the outer edge of the adjusting sleeve 407 for convenient rotation; the cushion sleeve 408 is arranged on the adjusting rod 406 between the adjusting sleeve 407 and the guide sleeve 405.

[0027] The radial rotation assembly 4 includes a radial motor 41, a driving pulley 42, a belt 43, a die holder bracket 44, a die holder 45, a driven pulley 46, and a die pressing cover 47. The output shaft of the radial motor 41 is arranged downward on the mounting laminate 13 inside the box body 11, and the driving pulley 42 is arranged on the output shaft of the radial motor 41. The die holder bracket 44 is arranged on the outer side of the front panel between the two wire clamping assemblies 40. The die holder 45 is arranged at the front end of the die holder bracket 44 through a bearing, and a central hole is arranged at the center of the die holder 45. The driven pulley 46 is arranged corresponding to the driving pulley 42 at the lower end of the die holder 45, and the belt 43 is wound around the driving pulley 42 and the driven pulley 46. The belt 43 is respectively located on both sides of the carriage 35 and passes through the front panel. The die pressing cover 47 is arranged on the die holder 45, and a central hole concentric with the die holder 45 is arranged on the die pressing cover 47. The polishing wire is arranged through the central holes of the die holder 45 and the die pressing cover 47.

[0028] Two sets of the tungsten wire drawing die trimming device of the present utility model are arranged in parallel on the support frame body 1. During use, the drawing die to be ground is loaded into the die holder 45 and clamped tightly by the die pressing cover 47. The polishing wire is passed through the center of the drawing die. The two ends of the polishing wire are respectively placed between the wire clamping plates 403 of the upper and lower groups of wire clamping assemblies 40, and the knurled screws 404 on both sides of the support arm 402 are turned to pre-clamp the end of the polishing wire. The adjusting sleeve 407 of the adjusting assembly is turned, the adjusting rod 406 displaces in the guiding sleeve 405, thereby driving the distance between the upper wire clamping assembly 40 and the lower wire clamping assembly 40 to change, so that the tension of the polishing wire is adjusted. After the polishing wire is tensioned, the knurled screw 404 is tightened to clamp the polishing wire. The timing switch is turned on, the working time of the axial motor 30 and the radial motor 41 is set on the timer 21, the radial switch 25 is started, the radial motor speed controller 26 is gradually adjusted, the radial motor 41 rotates, the driving pulley 42 drives the driven pulley 46 to rotate through the belt 43, the driven pulley 46 drives the die holder 45 to rotate, and the drawing die in the die holder 45 also rotates accordingly, and friction is generated when contacting the polishing wire for grinding. After the axial rotation switch 23 is started, the axial motor speed controller 24 is adjusted, the axial motor 30 starts to work, the axial motor 30 drives the rotating arm 31 to rotate, drives the connecting rod 32 to rotate through the fixed shaft 33. Since bearings are arranged at both ends of the connecting rod 32, the connecting rod 32 drives the carriage 35 to move up and down along the slide rod 36, and thus the polishing wire also moves up and down to grind the drawing die in the axial direction. During the up and down movement of the carriage 35, the spring 38 on the slide rod 36 buffers the carriage 35.

[0029] The parts not detailed in the present utility model are the prior art.

[0030] The embodiments selected herein for the purpose of disclosing the inventive objects of the present utility model are considered to be suitable at present. However, it should be understood that the present utility model is intended to include all variations and improvements of all embodiments falling within the scope of this concept and utility model.

Claims

1. A wire drawing die trimming device, characterized in that, It includes a support frame body, an electric control system, an axial sliding component and a radial rotating component; The support frame body includes a box body and support legs. An installation laminate is arranged inside the box body, and upper and lower corresponding long slots are arranged on the front panel of the box body; the electric control system is arranged on the front panel of the box body; the axial sliding component and the radial rotating component are both arranged on the support frame body and are electrically connected to the electric control system; The axial sliding component includes an axial motor, a rotating arm, a connecting rod, a fixed shaft, a connecting rod pin, a carriage, a sliding rod, a carriage mounting beam, a spring, a spring limit block, a wire clamping component and a polishing wire; the axial motor is arranged on the inner bottom plate of the box body of the support frame body; the rotating arm is arranged on the output shaft of the axial motor and is driven by the axial motor to rotate; bearings are arranged at both ends of the connecting rod; one end of the fixed shaft is arranged in the lower bearing of the connecting rod, and the other end is connected to the rotating arm; the connecting rod pin is arranged in the middle of the lower side of the carriage and is located in the upper bearing of the connecting rod; the carriage is in an I shape, and sliding bushings are symmetrically arranged on the upper and lower sides of both sides of the carriage, and the two sliding rods are respectively arranged in the corresponding sliding bushings; the carriage mounting beams are respectively arranged at the upper and lower ends of the two sliding rods, and the carriage mounting beams are arranged on the inner wall of the front panel of the box body; the spring limit block is arranged on the outer edge of the sliding rod between the upper and lower ends of the carriage, and the spring is arranged on the outer edge of the sliding rod between the spring limit block and the carriage; the wire clamping components are correspondingly arranged at the upper and lower ends of the carriage; both ends of the polishing wire are clamped by the two wire clamping components and arranged on the front side of the support frame body; The radial rotating component includes a radial motor, a driving pulley, a belt, a die holder bracket, a die holder, a driven pulley and a die holder cover; the output shaft of the radial motor is arranged downward on the installation laminate inside the box body, and the driving pulley is arranged on the output shaft of the radial motor; the die holder bracket is arranged on the outer side of the front panel between the two wire clamping components; the die holder is arranged at the front end of the die holder bracket through a bearing, and a central hole is arranged in the center of the die holder; the driven pulley is arranged corresponding to the driving pulley at the lower end of the die holder, the belt is wound around the driving pulley and the driven pulley, and the belt is respectively located on both sides of the carriage and passes through the front panel; the die holder cover is arranged on the die holder, and a central hole concentric with the die holder is arranged on the die holder cover; the polishing wire passes through the central holes of the die holder and the die holder cover; 2. The wire drawing die trimming device according to claim 1, wherein: The electric control system includes a timer, a timer switch, an axial rotation switch, an axial motor speed controller, a radial switch and a radial motor speed controller.

3. The wire drawing die trimming device according to claim 1, characterized in that: The wire clamping component includes a telescopic arm, a support arm, a wire clamping plate and a knurled screw; the telescopic arms are respectively arranged in the middle of the upper and lower ends of the carriage through screws, and the front ends of the telescopic arms are both located in the corresponding long slots on the front panel; the support arm is in a U-shaped structure, and the rear end of the support arm is connected to the telescopic arm; the wire clamping plates are respectively arranged on both sides of the front end of the support arm through knurled screws relatively, and both ends of the polishing wire are clamped by the wire clamping plates; 4. The wire drawing die trimming device according to claim 3, characterized in that: An adjusting component is further arranged between the support arm and the telescopic arm of the wire clamping component at the upper end of the carriage. The adjusting component includes a guide sleeve, an adjusting rod, an adjusting sleeve and a cushion sleeve; the guide sleeve is arranged at the front end of the telescopic arm, the adjusting rod is vertically arranged in the guide sleeve, the support arm is arranged at the lower end of the adjusting rod, the adjusting sleeve is screwed on the upper end of the support arm, and the cushion sleeve is arranged on the adjusting rod between the adjusting sleeve and the guide sleeve; 5. The wire drawing die trimming device according to claim 4, characterized in that: Knurling is arranged on the outer edge of the adjusting sleeve.

6. The wire drawing die trimming device according to claim 3, characterized in that: A plurality of mounting holes are uniformly arranged on the rear end of the telescopic arm described above.

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