CN115318996B

CN115318996B - Rolling device for fastening bolt machining

Info

Publication number: CN115318996B
Application number: CN202211250859.9A
Authority: CN
Inventors: 陈美华
Original assignee: Jiangsu Yagu Standard Parts Co ltd
Current assignee: Jiangsu Yagu Standard Parts Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-01-17
Anticipated expiration: 2042-10-13
Also published as: CN115318996A

Abstract

The invention discloses a rolling device for machining a fastening bolt, wherein a clamping mechanism is arranged on a first fixing plate, a positioning mechanism which is respectively contacted with the upper circumferential top surface and the lower circumferential bottom surface of a workpiece to be machined is arranged on a first fixing frame, a mounting seat is respectively and horizontally connected on a horizontal sliding groove of each first sliding plate in a sliding manner, a connecting shaft for mounting a roller is respectively arranged on each mounting seat, the two rollers are respectively positioned at two sides of the workpiece to be machined, a roller mechanism for driving the two mounting seats to horizontally move is arranged on the first fixing frame, the roller mechanism respectively drives the two rollers to rotate to roll the workpiece to be machined, and the horizontal movement directions of the two mounting seats are opposite. According to the invention, the first connecting ring drives the screw rods to rotate through the screw rods of the clamping plates in the circumferential direction, the two rollers respectively move to be in contact with the screw rods, and the two spiral rollers rotate to roll and process the screw rods into threads, so that the working efficiency of the screw threads can be improved, and the thread rolling depth of the screw rods can be adjusted.

Description

Rolling device for fastening bolt machining

Technical Field

The invention belongs to the technical field of rolling devices, and particularly relates to a rolling device for machining a fastening bolt.

Background

The fastening bolt is a general name of a bolt adopted when two or more parts are fastened and connected into a whole, the fastening bolt is a fastening piece consisting of a head part and a screw rod and needs to be matched with a nut for fastening and connecting the two parts with through holes, the thread processing on the bolt can be carried out in a rolling mode, the rolling mode is a pressure processing method that a metal blank passes through a gap between a pair of rotating rollers, the section of a material is reduced due to the compression of the rollers, and the length is increased, so that the method is the most common production mode for producing steel and is mainly used for producing profiles, plates, pipes, threads and the like.

In the prior art, threads on bolts are machined by using a rolling machine, but a common thread rolling machine needs manual auxiliary operation and is low in rolling efficiency.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a rolling device for machining a fastening bolt, which has high rolling efficiency and can adjust the thread depth.

The technical scheme for solving the technical problems is as follows: the automatic clamping device is characterized in that a first fixing plate is arranged on one side of the first fixing frame, a clamping mechanism used for clamping a workpiece to be machined is arranged on the first fixing plate, a positioning mechanism which is in contact with the upper circumferential top surface and the lower circumferential bottom surface of the workpiece to be machined is arranged on the first fixing frame, first sliding plates are respectively and slidably connected to two sides of a flat plate of the first fixing frame, the positioning mechanism is connected with the first sliding plates, installation seats which are located on two sides of the workpiece to be machined are respectively and slidably connected to a horizontal sliding groove of each first sliding plate, a connecting shaft for installing rollers is respectively arranged on each installation seat, the two rollers are respectively located on two sides of the workpiece to be machined in a clamping mode, a rolling mechanism which drives the two installation seats to move horizontally is arranged on the first fixing frame, the rolling mechanism respectively drives the two rollers to rotate to roll the workpiece to be machined, and the horizontal movement directions of the two installation seats are opposite.

Further, the clamping mechanism is as follows: first go up the rotation and install first go-between on the first fixed plate, be provided with driving pulley pivoted first motor on the first go-between, the belt pulley is connected with the transmission of second go-between through first belt, the even rotation of second go-between circumferencial direction installs first connecting rod, first connecting rod rotates the installation with second connecting rod one end, the second connecting rod other end and grip block fixed mounting, the even sliding connection of first go-between circumferencial direction has the second spliced pole, second spliced pole and grip block fixed connection, the centre gripping treats the machined part between the grip block of a plurality of circumferencial directions.

Further, the positioning mechanism is: the third fixing frame is provided with a second motor for driving the first gear to rotate, the lower side of a horizontal plate of the second fixing frame horizontally slides to form a lower rack in meshing transmission with the first gear, the upper side of the horizontal plate of the second fixing frame horizontally slides to form a friction plate and an upper rack which are fixedly connected with the lower rack, the upper rack is connected with the roller mechanism, the third fixing frame is provided with a friction wheel which is in friction rolling with the friction plate and is coaxially connected with the rotary table, the circumferential direction of the rotary table is provided with a third connecting rod and a fourth connecting rod which are symmetrical, the upper side of a vertical chute on the third fixing plate is slidably connected with a first sliding block, the lower side of the vertical chute is slidably connected with a second sliding block, one end of the third connecting rod is rotatably connected with the first sliding block, the first sliding block is slidably connected with one end of one of the first sliding plate through a sixth connecting rod, the first sliding block is connected with an upper positioning rod, the upper positioning rod is positioned on the upper side of a workpiece, one of the fourth connecting rod is rotatably connected with the second sliding block, the second sliding block is slidably connected with one end of the other first sliding plate through a fifth connecting rod, the second sliding block is positioned on the lower side of the workpiece to be machined.

Furthermore, the friction wheel is coaxially connected with the ratchet wheel, one end of a horizontal plate of the second fixing frame is provided with a sensor which is in contact with the friction plate, the third fixing frame is provided with a first electric cylinder which drives the clamping jaw to move in the vertical direction, the first electric cylinder is electrically connected with the sensor, and the clamping jaw is clamped with the ratchet wheel.

Furthermore, an included angle between the center line of the sixth connecting rod and the line on which the horizontal plane is located is 45 degrees, and an included angle between the center line of the fifth connecting rod and the line on which the horizontal plane is located is 45 degrees.

Further, the roller mechanism is: a fourth gear in meshing transmission with the first gear is arranged on the third fixing frame and is connected with a fourth transmission shaft, and the fourth transmission shaft is in transmission connection with the connecting shafts of the two rollers through a second belt respectively; the second fixing frame is provided with a fifth gear in meshing transmission with the upper rack, the fifth gear is connected with the fifth transmission shaft, a fourth fixing frame on the first fixing frame is rotatably provided with a third transmission shaft and a first transmission shaft, the fifth transmission shaft is in transmission connection with the third transmission shaft through a fourth belt, the third transmission shaft is provided with a third gear, the first transmission shaft is provided with a second gear in meshing transmission with the third gear, one side of the first fixing frame is provided with a first horizontal rod, two ends of the first horizontal rod are respectively provided with a second sliding plate in horizontal sliding, the bottom of one second sliding plate is provided with a first rack in meshing transmission with the second gear, the bottom of each second sliding plate is provided with a second electric cylinder for driving the first connecting plate to move in the vertical direction, one side of the mounting base is respectively clamped between each second sliding plate and the first connecting plate, one of the second sliding plates is rotatably connected with one end of a seventh connecting rod, the other end of the seventh connecting rod is rotatably connected with one end of an eighth connecting rod through a third sliding block, the third sliding block slides in the vertical direction on a first rail on one side of the first fixing frame, and the other end of the eighth connecting rod is rotatably connected with the other second sliding plate.

Furthermore, the upper rack is composed of a plurality of detachable racks.

Furthermore, the first transmission shaft is in transmission connection with one end of a second transmission shaft through a third belt, a sixth transmission shaft is rotatably mounted on a fifth fixing frame on the other side of the first fixing frame, the other end of the second transmission shaft is in transmission connection with the sixth transmission shaft through the fifth belt, the sixth transmission shaft is connected with a sixth gear, a second horizontal rod is arranged on the other side of the first fixing frame, third sliding plates horizontally slide at two ends of the second horizontal rod respectively, a second rack in meshing transmission with the sixth gear is arranged at the bottom of one of the third sliding plates, a third electric cylinder for driving the second connecting plate to move in the vertical direction is arranged at the bottom of each third sliding plate, the other side of the mounting seat is clamped between each third sliding plate and the second connecting plate respectively, one of the third sliding plates is rotatably connected with one end of a ninth connecting rod, the other end of the ninth connecting rod is rotatably connected with one end of a tenth connecting rod through a fourth sliding block, the fourth sliding block slides in the vertical direction on a second rail on the other side of the first fixing frame, and the other end of the tenth connecting rod is rotatably connected with the other third sliding plate.

Furthermore, a second fixing plate is arranged in the middle of the flat plate of the first fixing frame, and the two first sliding plates of the first fixing frame are respectively connected with the second fixing plate through springs.

The invention has the following beneficial effects: (1) The screw rods of the clamping plate clamping bolts in the circumferential direction are adopted, the second connecting ring drives the first connecting ring to rotate, the first connecting ring drives the screw rods to rotate, the two rollers respectively move to be in contact with the screw rods, the two spiral rollers rotate to roll and process the screw rods into threads, and the working efficiency of the screw threads can be improved; (2) The upper rack is composed of a plurality of detachable racks, the upper rack is in meshing transmission with the fifth gear to drive the rolling mechanism to move, the length of the upper rack is adjusted according to the required rolling depth of the screw threads, and the rolling depth of the screw threads can be adjusted; (3) According to the invention, the first slide block drives the upper positioning rod to move in the vertical direction, the upper positioning rod is contacted with the upper surface of the workpiece to be processed, the second slide block drives the lower positioning rod to move in the vertical direction, the lower positioning rod is contacted with the lower surface of the workpiece to be processed, and the workpiece to be processed can stably work in the rolling process through the fixation of the upper positioning rod and the lower positioning rod, so that the rolling working efficiency is improved.

Drawings

FIG. 1 is a schematic view showing the structure of one embodiment of a rolling apparatus for processing a fastening bolt of the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 from another angle.

Fig. 3 is a schematic view of a connection structure of the mount 6 and the first sliding plate 7.

Fig. 4 is a schematic view of the connection structure of the first sliding plate 7, the spring 12 and the second fixing plate 13.

Fig. 5 is a schematic structural view of the chucking mechanism.

Fig. 6 is a schematic view of the structure of fig. 5 from another angle.

Fig. 7 is a partial structural schematic view of fig. 5.

Fig. 8 is a schematic view of the structure of fig. 7 from another angle.

Fig. 9 is a schematic structural view of the positioning mechanism.

Fig. 10 is a schematic view of the structure of fig. 9 from another angle.

Fig. 11 is a schematic structural view of the third fixing plate 403 in fig. 9.

Fig. 12 is a schematic structural view of the roll mechanism.

Fig. 13 is a partially enlarged schematic view of a portion a in fig. 12.

Fig. 14 is a schematic view of the structure of fig. 12 from another angle.

Fig. 15 is a partially enlarged structural view at B in fig. 14.

Reference numerals: 1. rolling; 2. a workpiece to be processed; 301. a first link; 302. a first connecting ring; 303. a first belt; 304. a belt pulley; 305. a second connection ring; 306. a first motor; 307. a second connecting column; 308. a clamping plate; 309. a second link; 401. a lower positioning rod; 402. an upper positioning rod; 403. a third fixing plate; 404. a first slider; 405. a third link; 406. a friction wheel; 407. a friction plate; 408. an upper rack; 409. a lower rack; 410. a second fixing frame; 411. a second motor; 412. a third fixing frame; 413. a first gear; 414. a fourth link; 415. a second slider; 416. a fifth link; 417. a sensor; 418. a turntable; 419. a ratchet wheel; 420. a first electric cylinder; 421. a clamping jaw; 422. a sixth link; 423. a vertical chute; 501. a second belt; 502. a second electric cylinder; 503. a first connecting plate; 504. a second slide plate; 505. a first rack; 506. a second gear; 507. a first transmission shaft; 508. a second transmission shaft; 509. a third belt; 510. a third drive shaft; 511. a fourth fixing frame; 512. a third gear; 513. a fourth belt; 514. a seventh link; 515. a fourth drive shaft; 516. a fourth gear; 517. a fifth drive shaft; 518. a fifth gear; 519. a first horizontal bar; 520. an eighth link; 521. a third slider; 522. a first track; 523. a third electric cylinder; 524. a third slide plate; 525. a second horizontal bar; 526. a ninth link; 527. a second connecting plate; 528. a tenth link; 529. a sixth transmission shaft; 530. a fifth fixing frame; 531. a fifth belt; 532. a sixth gear; 533. a second rack; 534. a fourth slider; 535. a second track; 6. a mounting seat; 7. a first slide plate; 8. a first fixing frame; 9. a first fixing plate; 10. a connecting shaft; 11. a horizontal chute; 12. a spring; 13. and a second fixing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

As shown in fig. 1 to 4, the rolling device for machining a fastening bolt according to the present embodiment is configured by coupling a roll 1, a workpiece 2 to be machined, a clamping mechanism, a positioning mechanism, a roll mechanism, a mounting base 6, a first slide plate 7, a first fixing frame 8, a first fixing plate 9, a connecting shaft 10, a horizontal sliding groove 11, a spring 12, and a second fixing plate 13.

A first fixing plate 9 is fixedly mounted on one side of a first fixing frame 8, a clamping mechanism used for clamping a workpiece to be machined 2 is mounted on the first fixing plate 9, the workpiece to be machined 2 is a screw rod of a bolt, a positioning mechanism is mounted on the first fixing frame 8, the positioning mechanism is in contact with the upper circumferential top surface and the lower circumferential bottom surface of the screw rod respectively, and the screw rod can be better stabilized in the process of rolling the outer circumferential threads of the screw rod. Two sides of a flat plate of the first fixing frame 8 are respectively connected with a first sliding plate 7 in a sliding manner, a second fixing plate 13 is fixedly arranged in the middle of the flat plate of the first fixing frame 8, and the two first sliding plates 7 of the first fixing frame 8 are respectively connected with the second fixing plate 13 through springs 12. The positioning mechanism is connected with the first sliding plate 7, the horizontal sliding grooves 11 of each first sliding plate 7 are respectively connected with the installation bases 6 located on two sides of the workpiece to be machined 2 in a horizontal sliding mode, each installation base 6 is respectively provided with the connecting shaft 10 in a rotating mode, the connecting shafts 10 are fixedly provided with the rollers 1, the two rollers 1 are respectively located on two sides of the workpiece to be machined 2 in a clamping mode, the first fixing frame 8 is provided with a roller mechanism which drives the two installation bases 6 to move horizontally, the roller mechanism respectively drives the two rollers 1 to rotate to roll threads on the outer circumference of the screw, and the horizontal movement directions of the two installation bases 6 are opposite.

As shown in fig. 5 to 8, the clamping mechanism is formed by coupling a first link 301, a first connecting ring 302, a first belt 303, a pulley 304, a second connecting ring 305, a first motor 306, a second connecting column 307, a clamping plate 308 and a second link 309.

The clamping mechanism is as follows: first connecting ring 302 is rotatably installed on first fixing plate 9, first connecting ring 302 is fixedly installed with first motor 306 for driving pulley 304 to rotate, pulley 304 is in transmission connection with second connecting ring 305 through first belt 303, first connecting rod 301 is uniformly installed in the circumferential direction of second connecting ring 305 in a rotating manner, first connecting rod 301 is rotatably installed with one end of second connecting rod 309, the other end of second connecting rod 309 is fixedly installed with clamping plate 308, first connecting ring 302 is uniformly connected with second connecting column 307 in the circumferential direction in a sliding manner, second connecting column 307 is fixedly connected with clamping plate 308, and workpiece 2 to be machined is clamped between clamping plates 308 in a plurality of circumferential directions.

As shown in fig. 9 to 11, the positioning mechanism is formed by coupling a lower positioning rod 401, an upper positioning rod 402, a third fixing plate 403, a first slider 404, a third link 405, a friction wheel 406, a friction plate 407, an upper rack 408, a lower rack 409, a second fixing frame 410, a second motor 411, a third fixing frame 412, a first gear 413, a fourth link 414, a second slider 415, a fifth link 416, a sensor 417, a dial 418, a ratchet 419, a first electric cylinder 420, a clamping jaw 421, a sixth link 422, and a vertical sliding groove 423.

The positioning mechanism is as follows: a third fixing frame 403, a third fixing frame 412 and a second fixing frame 410 are fixedly mounted on the first fixing frame 8, a second motor 411 for driving the first gear 413 to rotate is fixedly mounted on the third fixing frame 412, a lower rack 409 in meshing transmission with the first gear 413 is horizontally slid on the lower side of a horizontal plate of the second fixing frame 410, a friction plate 407 and an upper rack 408 which are fixedly connected with the lower rack 409 are horizontally slid on the upper side of the horizontal plate of the second fixing frame 410, the upper rack 408 is connected with a roller mechanism, a friction wheel 406 is rotatably mounted on the third fixing frame 412, the friction wheel 406 and the friction plate 407 roll in a friction manner, the friction wheel 406 is coaxially connected with a rotating disc 418, a third connecting rod 405 and a fourth connecting rod 414 which are symmetrical are arranged in the circumferential direction of the rotating disc 418, a first sliding block 404 is slidably connected on the upper side of a vertical sliding groove 423 on the third fixing frame 403, a second sliding block 415 is slidably connected on the lower side of the vertical sliding groove, one end of the third connecting rod 405 is rotatably connected with the first sliding block 404, the first sliding block 404 is slidably connected with one end of the first connecting rod 7 through a sixth connecting rod 422, and an included angle between the center line of the sixth sliding plate 422 and the horizontal plane is 45 °. The first sliding block 404 is connected with the upper positioning rod 402, the upper positioning rod 402 is located on the upper side of the workpiece to be machined 2, one end of the fourth connecting rod 414 is rotatably connected with the second sliding block 415, the second sliding block 415 is slidably connected with one end of the other first sliding plate 7 through the fifth connecting rod 416, the fifth connecting rod 416 and the sixth connecting rod 422 are symmetrical to each other, the included angle between the center line of the fifth connecting rod 416 and the line where the horizontal plane is located is 45 degrees, the second sliding block 415 is connected with the lower positioning rod 401, and the lower positioning rod 401 is located on the lower side of the workpiece to be machined 2.

The friction wheel 406 is coaxially connected with the ratchet 419, one end of a horizontal plate of the second fixing frame 410 is fixedly provided with a sensor 417 contacted with the friction plate 407, the third fixing frame 412 is fixedly provided with a first electric cylinder 420 driving the clamping jaw 421 to move in the vertical direction, the first electric cylinder 420 is electrically connected with the sensor 417, and the clamping jaw 421 is clamped with the ratchet 419.

As shown in fig. 12 to 15, the roller mechanism is formed by coupling a second belt 501, a second electric cylinder 502, a first connecting plate 503, a second sliding plate 504, a first rack 505, a second gear 506, a first transmission shaft 507, a second transmission shaft 508, a third belt 509, a third transmission shaft 510, a fourth fixed frame 511, a third gear 512, a fourth belt 513, a seventh link 514, a fourth transmission shaft 515, a fourth gear 516, a fifth transmission shaft 517, a fifth gear 518, a first horizontal rod 519, an eighth link 520, a third slider 521, a first rail 522, a third electric cylinder 523, a third sliding plate 524, a second horizontal rod 525, a ninth link 526, a second connecting plate 527, a tenth link 528, a sixth transmission shaft 529, a fifth fixed frame 530, a fifth belt 531, a sixth gear 532, a second rack 533, a fourth slider 534, and a second rail 535.

The roller mechanism is as follows: the third fixing frame 412 is rotatably provided with a fourth gear 516 which is in meshing transmission with the first gear 413, the fourth gear 516 is connected with a fourth transmission shaft 515, and the fourth transmission shaft 515 is in transmission connection with the connecting shafts 10 of the two rollers 1 through second belts 501 respectively.

The second fixed frame 410 is provided with a fifth gear 518 engaged with the upper rack 408 for transmission, the upper rack 408 is composed of a plurality of detachable racks, and the length of the upper rack 408 is adjusted according to the required rolling depth of the screw threads. A fifth gear 518 is connected with a fifth transmission shaft 517, a fourth fixing frame 511 on the first fixing frame 8 is rotatably provided with a third transmission shaft 510 and a first transmission shaft 507, the fifth transmission shaft 517 is in transmission connection with the third transmission shaft 510 through a fourth belt 513, the third transmission shaft 510 is fixedly provided with a third gear 512, the first transmission shaft 507 is fixedly provided with a second gear 506 in meshing transmission with the third gear 512, one side of the first fixing frame 8 is fixedly provided with a first horizontal rod 519, two ends of the first horizontal rod 519 are respectively provided with a second sliding plate 504 in a horizontal sliding manner, the bottom of one second sliding plate 504 is provided with a first rack 505 in meshing transmission with the second gear 506, the bottom of each second sliding plate 504 is fixedly provided with a second electric cylinder 502 for driving the first connecting plate 503 to move in the vertical direction, one side of the mounting seat 6 is respectively clamped between each second sliding plate 504 and the first connecting plate 503, one of the second sliding plates 504 is rotatably connected with one end of a seventh connecting rod 514, the other end of the seventh connecting rod 514 is rotatably connected with one end of an eighth connecting rod through a third slider 521, the other end of the first sliding plate 522 on one side of the first fixing frame 8 is rotatably connected with the eighth connecting rod 520 in the vertical direction.

The first transmission shaft 507 is in transmission connection with one end of a second transmission shaft 508 through a third belt 509, a fifth fixing frame 530 on the other side of the first fixing frame 8 is rotatably provided with a sixth transmission shaft 529, the other end of the second transmission shaft 508 is in transmission connection with the sixth transmission shaft 529 through a fifth belt 531, the sixth transmission shaft 529 is connected with a sixth gear 532, the other side of the first fixing frame 8 is fixedly provided with a second horizontal rod 525, two ends of the second horizontal rod 525 respectively slide horizontally to form a third sliding plate 524, the bottom of one of the third sliding plates 524 is fixedly provided with a second rack 533 in meshing transmission with the sixth gear 532, the bottom of each of the third sliding plates 524 is fixedly provided with a third electric cylinder 523 for driving a second connecting plate 527 to move in the vertical direction, the other side of the mounting seat 6 is respectively clamped between each of the third sliding plates 524 and the second connecting plate 527, one of the third sliding plates 524 is rotatably connected with one end of a ninth connecting rod 526, the other end of the ninth connecting rod 526 is rotatably connected with one end of a tenth connecting rod 528 through a fourth slider 534, the fourth slider 534 slides 535 on a second rail 535 on the other side of the first fixing frame 8 in the vertical direction, and the tenth connecting rod 528 is rotatably connected with another third sliding plate 524.

The working principle of the embodiment is as follows, (1) clamping screw: the screw is placed among a plurality of clamping plates 308 in the circumferential direction, a first motor 306 is started, an output shaft of the first motor 306 drives a belt pulley 304 to rotate, the belt pulley 304 drives a second connecting ring 305 to rotate through a first belt 303, the second connecting ring 305 rotates to drive a first connecting rod 301 to swing, the first connecting rod 301 drives the clamping plates 308 to move through a second connecting rod 309, the clamping plates 308 move towards the circumferential direction close to the screw through a second connecting column 307, the clamping plates 308 in the circumferential direction clamp the screw, the second connecting ring 305 drives the first connecting ring 302 to rotate, and the first connecting ring 302 drives the screw to rotate.

(2) Positioning: the second motor 411 is started, an output shaft of the second motor 411 drives the first gear 413 to rotate, the first gear 413 is in meshing transmission with a lower rack 409 at the bottom of the second fixing frame 410, the lower rack 409 drives the friction plate 407 and the upper rack 408 to horizontally move, the friction plate 407 and the friction wheel 406 are in friction transmission to drive the friction wheel 406 to rotate, the friction wheel 406 is coaxial with the rotating disc 418, the friction wheel 406 drives the rotating disc 418 to rotate, a third connecting rod 405 on the rotating disc 418 drives the first sliding block 404 to slide in a vertical sliding groove 423 of the third fixing plate 403 along the vertical direction, the first sliding block 404 drives the sixth connecting rod 422 to slide at one end of one first sliding plate 7, the first sliding block 404 drives the upper positioning rod 402 to move in the vertical direction, and the upper positioning rod 402 is in contact with the upper surface of the screw rod.

The fourth link 414 on the rotary disc 418 drives the second slider 415 to slide in the vertical sliding slot 423 of the third fixing plate 403 along the vertical direction, the second slider 415 drives the fifth link 416 to slide at one end of the other first sliding plate 7, the second slider 415 drives the lower positioning rod 401 to move in the vertical direction, the lower positioning rod 401 contacts with the lower surface of the screw, and the screw can stably work in the rolling process through the fixation of the upper positioning rod 402 and the lower positioning rod 401.

One end of the friction plate 407 moves to be in contact with the sensor 417, the sensor 417 receives the movement position information of the friction plate 407, the sensor 417 converts the received position information into an electric signal and sends the electric signal to the controller, the controller controls the first electric cylinder 420 to start, and the first electric cylinder 420 drives the clamping jaw 421 to move to be clamped with the ratchet 419, so that the rotating disc 418 is prevented from rotating.

(3) Rolling: the upper rack 408 is in meshed transmission with a fifth gear 518, the fifth gear 518 drives a fifth transmission shaft 517 to rotate, the fifth transmission shaft 517 drives a third transmission shaft 510 to rotate through a fourth belt 513, the third transmission shaft 510 drives a third gear 512 to rotate, the third gear 512 drives a second gear 506 to rotate, the second gear 506 drives a first rack 505 to move horizontally, the first rack 505 drives a second sliding plate 504 to move along a first horizontal rod 519, the second electric cylinder 502 is started, the second electric cylinder 502 drives a first connecting plate 503 to move in a vertical direction, the first connecting plate 503 and the second sliding plate 504 clamp one side of one of the installation bases 6, the second sliding plate 504 drives one of the installation bases 6 to move in a horizontal direction to approach the screw rod, the second sliding plate 504 drives a seventh connecting rod 514 to move, the seventh connecting rod 514 drives an eighth connecting rod 520 to move through a third sliding block 521, the eighth connecting rod 520 drives the other second sliding plate 504 to move horizontally along the first horizontal rod 519, and the other second sliding plate 504 drives the other installation base 6 to move in a horizontal direction to approach the screw rod.

The second gear 506 drives the first transmission shaft 507 to rotate, the first transmission shaft 507 drives the second transmission shaft 508 to rotate through the third belt 509, the second transmission shaft 508 drives the sixth transmission shaft 529 to rotate through the fifth belt 531, the sixth transmission shaft 529 drives the sixth gear 532 to rotate, the sixth gear 532 drives one of the third sliding plates 524 to horizontally move along the second horizontal rod 525 by meshing with the second rack 533, the third electric cylinder 523 is started, the third electric cylinder 523 drives the second connecting plate 527 to move in the vertical direction, the second connecting plate 527 and the third sliding plate 524 clamp the other side of one of the mounting seats 6, the third sliding plate 524 drives one of the mounting seats 6 to horizontally approach the screw rod, the third sliding plate 524 drives the tenth connecting rod 528 to move, the tenth connecting rod 528 drives the ninth connecting rod 526 to move through the fourth slider 534, and the ninth connecting rod 526 drives the other third sliding plate 524 to horizontally move along the second horizontal rod 525.

The rollers 1 on the two mounting bases 6 respectively move to be in contact with the screw, the first gear 413 drives the fourth gear 516 to rotate, the fourth gear 516 drives the fourth transmission shaft 515 to rotate, the fourth transmission shaft 515 respectively drives the connecting shaft 10 on the roller 1 to rotate through the second belt 501, the two rollers 1 rotate, the rollers 1 are spiral, and the screw is rolled and processed into threads.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a fastening bolt processing is with rolling device which characterized in that: a first fixing plate (9) is arranged on one side of a first fixing frame (8), a clamping mechanism for clamping a workpiece (2) to be machined is arranged on the first fixing plate (9), a positioning mechanism which is in contact with the upper circumferential top surface and the lower circumferential bottom surface of the workpiece (2) to be machined is arranged on the first fixing frame (8), first sliding plates (7) are respectively connected to two sides of a flat plate of the first fixing frame (8) in a sliding mode, the positioning mechanism is connected with the first sliding plates (7), a horizontal sliding chute (11) of each first sliding plate (7) is respectively connected with installation bases (6) which are located on two sides of the workpiece (2) to be machined in a sliding mode, a connecting shaft (10) for installing the rollers (1) is respectively arranged on each installation base (6), the two rollers (1) are respectively located on two sides for clamping the workpiece (2) to be machined, a roller mechanism for driving the two installation bases (6) to move horizontally is arranged on the first fixing frame (8), the roller mechanisms respectively drive the two rollers (1) to rotate to roll the workpiece (2), and the workpiece (6) to be machined are opposite in the horizontal movement direction;

the positioning mechanism is as follows: a third fixing frame (403), a third fixing frame (412) and a second fixing frame (410) are arranged on the first fixing frame (8), a second motor (411) for driving a first gear (413) to rotate is arranged on the third fixing frame (412), a lower rack (409) in meshing transmission with the first gear (413) is horizontally slid on the lower side of a horizontal plate of the second fixing frame (410), a friction plate (407) and an upper rack (408) which are fixedly connected with the lower rack (409) are horizontally slid on the upper side of the horizontal plate of the second fixing frame (410), the upper rack (408) is connected with a roller mechanism, a friction wheel (406) which is in friction rolling with the friction plate (407) is arranged on the third fixing frame (412), the friction wheel (406) is coaxially connected with a rotating disc (418), a third connecting rod (405) and a fourth connecting rod (414) which are symmetrical in the circumferential direction of the rotating disc (418) are arranged on the third fixing frame (403), a first slider (404) is slidably connected on the upper side of a vertical chute (423) on the third fixing frame (403), a second slider (415), a second slider (7) is connected with a first slider (402), and a positioning rod (422) which is connected with a first slider (7) which is connected with a slider (402), one end of a fourth connecting rod (414) is rotatably connected with a second sliding block (415), the second sliding block (415) is slidably connected with one end of another first sliding plate (7) through a fifth connecting rod (416), the second sliding block (415) is connected with a lower positioning rod (401), and the lower positioning rod (401) is positioned on the lower side of the workpiece (2) to be machined;

the roller mechanism is as follows: a fourth gear (516) in meshing transmission with the first gear (413) is arranged on the third fixing frame (412), the fourth gear (516) is connected with a fourth transmission shaft (515), and the fourth transmission shaft (515) is in transmission connection with the connecting shafts (10) of the two rollers (1) through second belts (501) respectively;

a fifth gear (518) which is in meshing transmission with the upper rack (408) is arranged on the second fixed frame (410), the fifth gear (518) is connected with a fifth transmission shaft (517), a fourth fixed frame (511) on the first fixed frame (8) is rotatably provided with a third transmission shaft (510) and a first transmission shaft (507), the fifth transmission shaft (517) is in transmission connection with the third transmission shaft (510) through a fourth belt (513), the third transmission shaft (510) is provided with a third gear (512), the first transmission shaft (507) is provided with a second gear (506) which is in meshing transmission with the third gear (512), one side of the first fixed frame (8) is provided with a first horizontal rod (519), two ends of the first horizontal rod (519) are respectively provided with a second sliding plate (504) in a horizontal sliding manner, the bottom of one of the second sliding plates (504) is provided with a first rack (505) which is in meshing transmission with the second gear (506), the bottom of each second sliding plate (504) is provided with a second electric cylinder (503) which drives the first connecting plate (503) to move in the vertical direction, one side of each second sliding plate (502) is connected with an eighth connecting rod (521) through a connecting rod (521), the third sliding block (521) slides on a first track (522) at one side of the first fixed frame (8) along the vertical direction, and the other end of the eighth connecting rod (520) is rotatably connected with the other second sliding plate (504);

the upper rack (408) consists of a plurality of detachable racks;

the first transmission shaft (507) is in transmission connection with one end of a second transmission shaft (508) through a third belt (509), a fifth fixing frame (530) on the other side of the first fixing frame (8) is rotatably provided with a sixth transmission shaft (529), the other end of the second transmission shaft (508) is in transmission connection with the sixth transmission shaft (529) through a fifth belt (531), the sixth transmission shaft (529) is connected with a sixth gear (532), the other side of the first fixing frame (8) is provided with a second horizontal rod (525), two ends of the second horizontal rod (525) respectively slide horizontally to form a third sliding plate (524), a second rack (533) which is meshed with the sixth gear (532) for transmission is arranged at the bottom of one of the third sliding plates (524), a third electric cylinder (523) which drives the second connecting plate (527) to move in the vertical direction is arranged at the bottom of each third sliding plate (524), the other side of the mounting seat (6) is respectively clamped between each third sliding plate (524) and the second connecting plate (527), one third sliding plate (524) is rotatably connected with one end of a ninth connecting rod (526), the other end of the ninth connecting rod (526) is rotatably connected with one end of a tenth connecting rod (528) through a fourth sliding block (534), the fourth sliding block (534) slides on a second track (535) on the other side of the first fixed frame (8) along the vertical direction, and the other end of the tenth connecting rod (528) is rotatably connected with the other third sliding plate (524).

2. The rolling device for processing a fastening bolt according to claim 1, wherein the clamping mechanism is: rotate on first fixed plate (9) and install first go-between (302), be provided with driving pulley (304) pivoted first motor (306) on first go-between (302), belt pulley (304) are connected with second go-between (305) transmission through first belt (303), second go-between (305) circumferencial direction evenly rotates and installs first link (301), first link (301) and second link (309) one end rotate the installation, second link (309) other end and grip block (308) fixed mounting, first link (302) circumferencial direction evenly sliding connection has second spliced pole (307), second spliced pole (307) and grip block (308) fixed connection, centre gripping waits to add work piece (2) between the grip block (308) of a plurality of circumferencial directions.

3. The rolling device for processing a fastening bolt according to claim 1, wherein: the friction wheel (406) is coaxially connected with the ratchet wheel (419), one end of a horizontal plate of the second fixing frame (410) is provided with a sensor (417) which is in contact with the friction plate (407), the third fixing frame (412) is provided with a first electric cylinder (420) which drives the clamping jaw (421) to move in the vertical direction, the first electric cylinder (420) is electrically connected with the sensor (417), and the clamping jaw (421) is clamped with the ratchet wheel (419).

4. The rolling device for processing a fastening bolt according to claim 1, wherein: the included angle between the center line of the sixth connecting rod (422) and the line of the horizontal plane is 45 degrees, and the included angle between the center line of the fifth connecting rod (416) and the line of the horizontal plane is 45 degrees.

5. The rolling device for processing a fastening bolt according to claim 1, wherein: the middle of the flat plate of the first fixing frame (8) is provided with a second fixing plate (13), and the two first sliding plates (7) of the first fixing frame (8) are respectively connected with the second fixing plate (13) through springs (12).