Bolt machining system

Abstract

The invention discloses a bolt processing system, which belongs to the field of bolts, and mainly comprises an equipment frame, a main oil cylinder, a sliding plate and a cleaning frame, the cleaning frame comprises a six-edge block which can slide in a reciprocating mode in the radial direction of the main oil cylinder. A working surface, an end surface scraper and a circumferential scraper are respectively arranged on three mutually spaced side surfaces of the hexagonal block; when the hexagonal block is located at the position closest to the axis of the main oil cylinder and the working face faces inwards, the working face forms a regular hexagonal hole. When the hexagonal block is located at the position closest to the axis of the main oil cylinder and the end face scrapers face inwards, the front ends of the end face scrapers abut against each other. When the hexagonal block is located at the position closest to the axis of the main oil cylinder and the circumferential scraper faces inwards, the circumferential scraper abuts against the nut blank. When the six-edge block is located at the position farthest from the axis of the main oil cylinder, the six-edge block can rotate; an oxide layer on a bolt blank can be removed, and the forging and pressing quality is guaranteed; the flash can be automatically removed, so that the manpower is saved, and the efficiency is improved; the structure is compact and the control is simple.

Description

Technical Field

[0001] The invention belongs to the technical field of bolts, and in particular relates to a bolt processing system. Background Art

[0002] Bolts are commonly used to connect two objects and are generally composed of a nut and a screw. The forming process of the nut is a key step in the bolt manufacturing process, and it needs to be processed into the commonly used hexagonal shape for ease of use. Currently, the processing of nuts is mainly carried out through hot forging. The basic principle is to heat the nut end of the bolt blank to a certain temperature to soften it and make it plastic, and then use molds and forging equipment to process it into the desired shape. However, in actual operation, hot forging still has some problems, as follows: 1. Since the bolt blank needs to be heated to a certain temperature, the heated part will react with the oxygen in the air to form an oxide layer. During the hot forging process, if the oxide layer is not treated and forging is performed directly, it will not only affect the processing quality of the bolt, but also cause oxide layer debris to remain in the mold, affecting subsequent processing. Currently, before forging, workers generally use handheld metal rods to knock the surface of the bolt blank to remove the oxide layer. However, this cleaning method is not only ineffective, but also consumes a lot of manpower and is inefficient. 2. After hot forging is completed, burrs will appear on the edge of the nut. In order to ensure the normal use of the bolt, the nut needs to be deburred. At present, this process is usually performed manually using deburring equipment or hand-held tools. This processing method is time-consuming and labor-intensive, and also greatly reduces the production efficiency of the bolt. Summary of the Invention

[0003] Based on this, it is necessary to provide a bolt processing system to solve the above problems.

[0004] On the one hand, the present application provides a bolt processing system, which includes an equipment frame, a main oil cylinder, a sliding plate and a cleaning frame; the equipment frame is used to carry bolt blanks; the main oil cylinder is fixedly connected to the top of the equipment frame; the sliding plate is slidably connected to the equipment frame, and the sliding plate and the telescopic end of the main oil cylinder are fixedly connected; the cleaning frame is located below the sliding plate, and the cleaning frame includes a hexagonal block, and the hexagonal block is provided with six, which are evenly distributed below the sliding plate along the circumferential direction, and the hexagonal block can slide back and forth radially along the main oil cylinder; the hexagonal block is a regular hexagonal prism structure, and the three mutually spaced hexagonal blocks on the hexagonal block are A working surface, an end face scraper and a circumferential scraper are respectively provided on the side surfaces; when the hexagonal block is located at the position closest to the axis of the main oil cylinder and the working surface faces inward, the six working surfaces form a regular hexagonal hole; when the hexagonal block is located at the position closest to the axis of the main oil cylinder and the end face scraper faces inward, the front ends of the six end face scrapers are pressed together; when the hexagonal block is located at the position closest to the axis of the main oil cylinder and the circumferential scraper faces inward, the six circumferential scrapers are pressed against the outer circumferential wall of the nut blank; when the hexagonal block is located at the position farthest from the axis of the main oil cylinder, the six hexagonal blocks can rotate.

[0005] According to a favorable embodiment, the cleaning frame also includes a lifting shell, a fixed disk and a driving disk; the lifting shell is located below the sliding plate; the fixed disk is fixedly connected to the lower side of the lifting shell, and a transmission cavity is formed between the fixed disk and the lifting shell, and six horizontal sliding grooves are evenly distributed on the fixed disk along the circumferential direction; the hexagonal block is slidably arranged below the fixed disk; the driving disk is rotatably arranged in the transmission cavity, and six groups of driving grooves are evenly distributed on the driving disk along the circumferential direction; the driving groove group includes mutually connected disk inclined grooves and disk arc grooves.

[0006] According to an advantageous embodiment, the cleaning frame further comprises a transmission assembly; the transmission assembly is provided with six groups, which are evenly distributed in the transmission cavity along the circumferential direction.

[0007] According to a favorable embodiment, the transmission assembly includes a rotating shaft, a rotating wheel, a telescopic track and a limiting spring; the telescopic track is fixedly arranged in the transmission cavity along the radial direction; the rotating wheel can slide along the telescopic track, and six flip plates are evenly distributed on the rotating wheel in the circumferential direction, and two adjacent flip plates are pressed against the inner wall of the telescopic track; one end of the rotating shaft is fixedly connected to the rotating wheel, and the other end is fixedly connected to the hexagonal block, and the rotating shaft can slide along the horizontal slide groove and the drive groove group at the same time; the limiting spring is fixedly connected in the transmission cavity, and the limiting spring is located on the outside of the telescopic track to prevent the rotating wheel from rotating.

[0008] According to a favorable embodiment, the transmission assembly further comprises a limit pin, a pawl and a torsion spring; the limit pin is fixedly connected above the drive disk; the pawl is rotatably connected above the drive disk; the torsion spring is arranged in the pawl to drive the pawl to rotate toward the limit pin.

[0009] According to a favorable embodiment, the cleaning frame also includes a sliding rod, a sliding rod spring, a third bevel gear, a fourth bevel gear and a switching motor; the sliding rod slides in cooperation with the sliding plate, and the lower end of the sliding rod is fixedly connected to the lifting shell; the sliding rod spring is sleeved on the sliding rod to drive the lifting shell to slide downward; the switching motor is fixedly arranged on the lifting shell; the fourth bevel gear is fixedly connected to the output shaft of the switching motor; the third bevel gear is fixedly connected to the drive disk, and the third bevel gear and the fourth bevel gear are meshed.

[0010] According to a favorable embodiment, the processing system also includes an upper mold, a lower mold and a lower oil cylinder; the lower mold is fixedly arranged on the equipment frame, and the lower mold is provided with a lower mold through-hole; the lower oil cylinder is arranged below the lower mold, and the bolt blank passes through the lower mold through-hole and is pressed against the protruding end of the lower oil cylinder; the upper mold is located directly above the lower mold, the upper mold and the telescopic end of the main oil cylinder are fixedly connected, and the upper mold is provided with a mold hole, and the mold hole is a regular hexagonal hole structure.

[0011] According to a favorable embodiment, the processing system also includes a turntable, a first bevel gear, a second bevel gear, a rotating motor and a clamp assembly; the turntable is rotatably connected to the equipment frame and is located below the lower mold; the first bevel gear is fixedly connected to the turntable; the rotating motor is fixedly connected to the equipment frame; the second bevel gear is fixedly connected to the output shaft of the rotating motor, and the second bevel gear is meshed with the first bevel gear; the clamp assembly is provided with two groups, which are symmetrically arranged on the lower side of the turntable with the axis of the lower mold as the center line; the clamp assembly includes a clamping cylinder and a clamping block; the fixed end of the clamping cylinder is fixedly connected to the rotating disk, the clamping block is slidably connected to the turntable, and the clamping block is fixedly connected to the telescopic end of the clamping cylinder.

[0012] According to a favorable embodiment, the processing system further comprises an air nozzle and a cold water nozzle; the air nozzle is fixedly connected to the equipment rack for spraying air toward the bolt blank; the cold water nozzle is fixedly connected to the equipment rack for spraying cold water onto the bolt blank.

[0013] Compared with the prior art, the advantages of the present invention are: 1. By setting a hexagonal block and arranging an end scraper and a circumferential scraper on the hexagonal block, when the hexagonal block is located closest to the axis of the main cylinder, the end scraper can remove the oxide layer on the upper end face of the bolt blank, and the circumferential scraper can remove the oxide layer on the outer circumferential wall of the bolt blank, thereby avoiding the influence of the oxide layer on the forming of the bolt blank during forging and ensuring the forging quality of the bolt blank; 2. By setting a hexagonal block and setting a working surface on the hexagonal block, when the hexagonal block is at the closest position to the main cylinder axis, the working surface forms a hexagonal hole. The bolt blank with flash is pushed into the hexagonal hole to cut off the flash, thereby realizing automatic removal of the flash, saving manpower and improving efficiency; 3. By setting a driving disk, a rotating wheel and a pawl, and through the cooperation of the driving disk and the fixed disk, the rotating shaft can be driven to slide radially, driving the hexagonal blocks to spread out and close, and the driving disk drives the pawl to drive the rotating wheel to rotate. Therefore, after the hexagonal blocks spread out, the hexagonal blocks are driven to rotate, so as to adjust the positions of the working surface, end scraper and circumferential scraper, so that the hexagonal blocks can complete the work of cleaning the oxide layer and removing the flash. It has diverse functions, compact structure and simple control. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a cross-sectional view of the present invention; Figure 2 For the present invention Figure 1 Cross-sectional view in the AA direction; Figure 3 For the present invention Figure 1 Enlarged view at point I in the middle; Figure 4 For the present invention Figure 3 Cross-sectional view in the middle BB direction; Figure 5 For the present invention Figure 3 Cross-sectional view in CC direction; Figure 6 For the present invention Figure 3 Cross-sectional view in the middle DD direction; Figure 7 For the present invention Figure 3 Cross-sectional view in the EE direction; Figure 8 For the present invention Figure 3 Cross-sectional view in the FF direction. DETAILED DESCRIPTION

[0015] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0016] like Figures 1-8 As shown, a bolt processing system, this embodiment includes an equipment frame 1, a main oil cylinder 4, a sliding plate 3 and a cleaning frame; the equipment frame 1 is used to carry the bolt blank 39; the main oil cylinder 4 is fixedly connected to the top of the equipment frame 1; the sliding plate 3 is slidably connected to the equipment frame 1, and the sliding plate 3 and the main oil cylinder 4 are fixedly connected at their telescopic ends; the cleaning frame is located below the sliding plate 3, and the cleaning frame includes a hexagonal block 32, and the hexagonal block 32 is provided with six, which are uniformly distributed below the sliding plate 3 along the circumferential direction, and the hexagonal block 32 can slide back and forth radially along the main oil cylinder 4; the hexagonal block 32 is a regular hexagonal prism structure, and the three side surfaces of the hexagonal block 32 are respectively provided with There are working surfaces 33, end scrapers 34 and circumferential scrapers 35; when the hexagonal block 32 is located at the position closest to the axis of the main oil cylinder 4 and the working surface 33 faces inward, the six working surfaces 33 form a regular hexagonal hole; when the hexagonal block 32 is located at the position closest to the axis of the main oil cylinder 4 and the end scrapers 34 face inward, the front ends of the six end scrapers 34 are pressed together; when the hexagonal block 32 is located at the position closest to the axis of the main oil cylinder 4 and the circumferential scrapers 35 face inward, the six circumferential scrapers 35 are pressed against the outer circumferential wall of the nut blank 39; when the hexagonal block 32 is located at the position farthest from the axis of the main oil cylinder 4, the six hexagonal blocks 32 can rotate.

[0017] Specifically, when the six working surfaces 33 form a regular hexagonal hole, the bolt blank 39 with flash is pushed into the regular hexagonal hole, and the flash can be cut off, thereby realizing automatic removal of the flash, saving manpower and improving efficiency; when the front ends of the six end scrapers 34 are pressed together, the end scrapers 34 can scrape off the oxide layer on the top of the bolt blank 39; when the six circumferential scrapers 35 are pressed against the outer circumferential wall of the nut blank 39, the circumferential scrapers 35 can scrape off the oxide layer on the outer circumferential wall of the bolt blank 39; thereby avoiding the influence of the oxide layer on the forming of the bolt blank 39 during forging, and ensuring the forging quality of the bolt blank.

[0018] like Figure 1 、 Figure 3 、 Figure 5-Figure 8As shown, the cleaning frame also includes a lifting shell 18, a fixed disk 19 and a driving disk 22; the lifting shell 18 is located below the sliding plate 3; the fixed disk 19 is fixedly connected to the lower side of the lifting shell 18, and a transmission cavity is formed between the fixed disk 19 and the lifting shell 18, and six horizontal slide grooves 20 are evenly distributed along the circumferential direction on the fixed disk 19; the hexagonal block 32 is slidably arranged below the fixed disk 19; the driving disk 22 is rotatably arranged in the transmission cavity, and six groups of driving grooves are evenly distributed along the circumferential direction on the driving disk 22; the driving groove group includes a disk inclined groove 23 and a disk arc groove 24 that are interconnected.

[0019] like Figure 1 、 Figure 3-Figure 8 As shown, the cleaning frame also includes a transmission assembly; the transmission assembly is provided with six groups, which are evenly distributed in the transmission cavity along the circumferential direction.

[0020] like Figure 1 、 Figure 3-Figure 8 As shown, the transmission assembly includes a rotating shaft 21, a rotating wheel 28, a telescopic track 30 and a limiting spring 31; the telescopic track 30 is fixedly arranged in the transmission cavity along the radial direction; the rotating wheel 28 can slide along the telescopic track 30, and six flip plates 29 are evenly distributed on the rotating wheel 28 in the circumferential direction, and two adjacent flip plates 29 are pressed against the inner wall of the telescopic track 30; one end of the rotating shaft 21 is fixedly connected to the rotating wheel 28, and the other end is fixedly connected to the hexagonal block 32, and the rotating shaft 21 can slide along the horizontal slide groove 20 and the drive groove group at the same time; the limiting spring 31 is fixedly connected in the transmission cavity, and the limiting spring 31 is located outside the telescopic track 30 to prevent the rotating wheel 28 from rotating.

[0021] like Figure 1 、 Figure 3 、 Figure 7 、 Figure 8 As shown, the transmission assembly also includes a limit pin 25, a pawl 26 and a torsion spring 27; the limit pin 25 is fixedly connected above the driving disk 22; the pawl 26 is rotatably connected above the driving disk 22; the torsion spring 27 is arranged in the pawl 26 to drive the pawl 26 to rotate toward the limit pin 25.

[0022] During specific operation, the driving disc 22 is used to rotate the transmission rotating shaft 21 to slide along the horizontal slide groove 20, driving the hexagonal block 32 to slide back and forth radially along the main cylinder 4; thereby driving the six hexagonal blocks 32 to disperse and close; when the hexagonal block 32 is located at the farthest position from the axis of the main cylinder 4, the driving disc 22 drives the pawl 26 to rotate, thereby driving the rotating wheel 28 to rotate, which can drive the hexagonal block 32 to rotate, thereby switching the positions of the working surface 33, the end scraper 34 and the circumferential scraper 35; so that the hexagonal block 32 can complete the work of oxide layer cleaning and deburring, with diverse functions and simple control.

[0023] Of course, in other embodiments, a motor and a slider can be used to replace the limit spring 31, the limit pin 25, the pawl 26 and the torsion spring 27, and the motor output shaft and the rotating shaft are fixedly connected. The motor is fixedly installed on the slider, and then the slider is slidably set in the telescopic track 30. The sliding of the slider and the telescopic track 30 drives the hexagonal block 32 to slide radially, and the motor drives the hexagonal block 32 to rotate.

[0024] like Figure 1 、 Figure 3 、 Figure 7 、 Figure 8 As shown, the cleaning frame also includes a slide bar 14, a slide bar spring 15, a third bevel gear 36, a fourth bevel gear 37 and a switching motor 38; the slide bar 14 is slidably matched with the sliding plate 3, and the lower end of the slide bar 14 is fixedly connected to the lifting shell 18; the slide bar spring 15 is sleeved on the slide bar 14 to drive the lifting shell 18 to slide downward; the switching motor 38 is fixedly set on the lifting shell 18; the fourth bevel gear 37 is fixedly connected to the output shaft of the switching motor 38; the third bevel gear 36 is fixedly connected to the drive disk 22, and the third bevel gear 36 and the fourth bevel gear 37 are engaged.

[0025] like Figure 1 As shown, the processing system also includes an upper mold 16, a lower mold 2 and a lower cylinder 5; the lower mold 2 is fixedly set on the equipment frame 1, and the lower mold 2 is provided with a lower mold through-hole; the lower cylinder 5 is arranged below the lower mold 2, and the bolt blank 39 passes through the lower mold through-hole and presses on the protruding end of the lower cylinder 5; the upper mold 16 is located directly above the lower mold 2, and the upper mold 16 is fixedly connected to the telescopic end of the main cylinder 4, and the upper mold 16 is provided with a mold hole 17, which is a regular hexagonal hole structure.

[0026] like Figure 1 、 Figure 2 As shown, the processing system also includes a turntable 6, a first bevel gear 9, a second bevel gear 10, a rotating motor 11 and a clamp assembly; the turntable 6 is rotatably connected to the equipment frame 1 and is located below the lower mold 2; the first bevel gear 9 is fixedly connected to the turntable 6; the rotating motor 11 is fixedly connected to the equipment frame 1; the second bevel gear 10 is fixedly connected to the output shaft of the rotating motor 11, and the second bevel gear 10 is meshed with the first bevel gear 9; the clamp assembly is provided with two groups, which are symmetrically arranged on the lower side of the turntable 6 with the axis of the lower mold 2 as the center line; the clamp assembly includes a clamping cylinder 8 and a clamping block 7; the fixed end of the clamping cylinder 8 is fixedly connected to the rotating disk 6, the clamping block 7 is slidably connected to the turntable 6, and the clamping block 7 is fixedly connected to the telescopic end of the clamping cylinder 8.

[0027] like Figure 1As shown, the processing system also includes an air nozzle 12 and a cold water nozzle 13; the air nozzle 12 is fixedly connected to the equipment frame 1 to spray air toward the bolt blank 39; the cold water nozzle 13 is fixedly connected to the equipment frame 1 to spray cold water onto the bolt blank 39.

[0028] The working steps and principles of this bolt processing system are as follows: Step 1: Preparation: When the present processing system is required to perform hot forging processing on the bolt blank 39 , the end of the bolt blank 39 to be processed must be heated first. When the temperature of the end of the bolt blank 39 to be processed reaches the required temperature, the preparation is completed.

[0029] Step 2: Loading: After the preparation work is completed, ensure that the end of the bolt blank 39 to be processed is facing upward, and insert it into the lower mold 2 so that the lower end of the bolt blank 39 is against the lower cylinder 5 to complete the loading.

[0030] Step 3: Clean the end oxide layer: When the loading is completed, the clamping cylinder 8 is controlled to extend and the lower end of the bolt blank 39 is clamped by the clamping block 7; then the switching motor 38 is started to drive the fourth bevel gear 37 to rotate forward. Since the fourth bevel gear 37 and the third bevel gear 36 are engaged, the third bevel gear 36 and the drive disc 22 are fixedly connected, thereby driving the drive disc 22 to rotate counterclockwise ( Figure 8), since the rotating shaft 21 slides along the horizontal slide groove 20, and at this time the rotating shaft 21 slides in the disc inclined groove 23, the rotating shaft 21 is driven to slide outward along the horizontal slide groove 20 under the action of the disc inclined groove 23, driving the rotating wheel 28 to slide along the telescopic track 30. Since the two adjacent flip plates 29 are pressed against the inner wall of the telescopic track 30, the rotating wheel 28 cannot rotate during the sliding process, so that the hexagonal block 32 cannot rotate when sliding; as the driving disc 22 continues to rotate, the rotating shaft 21 is driven to move to the intersection of the disc inclined groove 23 and the disc arc groove 24. At this time, the rotating shaft 21 comes to the farthest position from the axis, driving the rotating wheel 28 to exit the telescopic track 30, and making the two adjacent flip plates 29 and the limit spring 31 close to each other. Under the action of the limit spring 31, The rotating wheel 28 does not rotate; as the driving disk 22 continues to rotate, when the rotating shaft 21 slides along the disk arc groove 24, the disk arc groove 24 and the driving disk 22 are concentric, so that the rotating shaft 21 does not move. Since the pawl 26 is connected to the driving disk 22, the driving disk 22 drives the pawl 26 to rotate accordingly. When the pawl 26 and the flip plate 29 touch, the pawl 26 pushes the rotating wheel 28 to overcome the limit spring 31 and rotate; as the driving disk 22 continues to rotate, when the rotating shaft 21 reaches the end of the disk arc groove 24, the pawl 26 pushes the rotating wheel 28 to rotate exactly 60 degrees, so that the two adjacent flip plates 29 are again in close contact with the limit spring 30, and at the same time drives the hexagonal block 32 to rotate 60 degrees; then the switching motor 38 is started to reverse, and the driving disk 22 is driven to rotate clockwise ( Figure 8 When the pawl 26 and the flip plate 29 touch, the limit spring 31 is hard, and the rotation wheel 28 is restricted from rotating, thereby pushing the pawl 26 to overcome the rotation of the torsion spring 27, so that the pawl 26 can pass the flip plate 29; as the driving disk 22 rotates clockwise, the rotating shaft 21 comes to the intersection of the disk inclined groove 23 and the disk arc groove 24, and the switching motor 38 is driven to rotate forward again, thereby driving the pawl 26 to push the rotating wheel 28 to rotate again. When the rotating shaft 21 comes to the end of the disk arc groove 24 again, the pawl 26 pushes the rotating wheel 28 to rotate 60 degrees again, driving the hexagonal block 32 to rotate 60 degrees. At this time, the end surface The scraper 34 rotates toward the axis; then the switching motor 38 is driven to reverse, the transmission drive disk 22 rotates clockwise, and similarly drives the pawl 26 to cross the flip plate 29. After the rotating shaft 21 passes the intersection of the disk bevel groove 23 and the disk arc groove 24, the driving disk 22 continues to rotate clockwise, driving the rotating shaft 21 into the disk bevel groove 23, and the rotating shaft 21 is driven to slide along the horizontal slide groove 20 through the disk bevel groove 23, thereby driving the rotating wheel 28 to return to the telescopic track 30; when the rotating shaft 21 reaches the end of the disk bevel groove 23, the rotating shaft 21 returns to the initial position, and the six hexagonal blocks 32 return to the initial position. At this time, the end scraper 34 faces the axis, and the top ends are aligned.

[0031] Then the rotating motor 11 is controlled to drive the second bevel gear 10 to rotate. Since the first bevel gear 9 and the second bevel gear 10 are engaged, and the first bevel gear 9 and the turntable 6 are fixedly connected, the drive turntable 6 rotates. Since the clamping block 7 clamps the bolt blank 39, the bolt blank 39 is driven to rotate accordingly; then the main oil cylinder 4 is controlled to extend, driving the sliding plate 3 to slide downward, thereby driving the lifting shell 18 to slide downward. When the lower blade of the end face scraper 34 contacts the upper end face of the bolt blank 39, the main oil cylinder 4 continues to extend, compressing the slide rod spring 15 and providing a downward thrust, so that the end face scraper 34 can scrape off the oxidized impurities on the upper end face of the bolt blank 39, completing the end face oxide layer cleaning work.

[0032] Step 4: Clean the circumferential oxide layer: After the end surface oxide layer cleaning work is completed, the main oil cylinder 4 is controlled to retract, driving the sliding plate 3 to move upward, thereby driving the lifting shell 18 to rise, so that the end surface scraper 34 is away from the bolt blank 39, and then the main oil cylinder 4 is controlled to stop, and the switching motor 38 is started again to rotate forward, thereby driving the rotating shaft 21 to slide outward along the horizontal slide groove 20 through the driving disk 22. When the rotating shaft 21 comes to the intersection of the disk inclined groove 23 and the disk arc groove 24, the rotating wheel 28 exits the telescopic track 30 and cooperates with the limit spring 31. The driving disk 22 continues to rotate, and pushes the flip plate 29 through the ratchet 26, driving the rotating wheel 28 to rotate. When the rotating shaft 21 comes to the end of the disk arc groove 24 At this time, the pawl 26 drives the rotating wheel 28 to rotate 60 degrees, so that the two adjacent flip plates 29 are again in close contact with the limit spring 30, and then the switching motor 38 is reversed, driving the rotating shaft 21 to come to the intersection of the disc inclined groove 23 and the disc arc groove 24 again, the pawl 26 passes over the flip plate 29, and the switching motor 38 is rotated forward again, thereby driving the pawl 26 to push the rotating wheel 28 to rotate another 60 degrees, driving the hexagonal block 32 to rotate 60 degrees, so that the circumferential scraper 35 faces the axis; then the switching motor 38 is reversed, and when the rotating shaft 21 comes to the end of the disc inclined groove 23, the rotating shaft 21 returns to the initial position, the six hexagonal blocks 32 return to the initial position, and the circumferential scraper 35 faces the inside of the ring.

[0033] Then the rotating motor 11 is controlled to rotate, thereby driving the bolt blank 39 to rotate accordingly; the main oil cylinder 4 is controlled to extend, driving the circumferential scraper 35 to descend. As the top blade of the circumferential scraper 35 contacts the outer circumferential wall of the bolt blank 39, the oxidized impurities on the outer circumferential wall of the bolt blank 39 can be scraped off by the circumferential scraper 35 descending and the bolt blank 39 rotating, completing the cleaning of the circumferential oxide layer.

[0034] Step 5: Forging: After the circumferential oxide layer cleaning work is completed, the main oil cylinder 4 is controlled to retract, driving the sliding plate 3 to move upward, thereby driving the lifting shell 18 to rise, so that the circumferential scraper 35 is away from the bolt blank 39, and the clamping cylinder 8 is controlled to retract, driving the clamping block 7 to loosen the bolt blank 39, and then the external air compressor is controlled to pass high-pressure air into the air nozzle 12, so that the high-pressure air is ejected from the air nozzle 12 to blow away the oxide layer debris; then the switching motor 38 is started to rotate forward, driving the drive disk 22 to rotate counterclockwise ( Figure 8 ), drives the rotating shaft 21 to slide outward along the horizontal slide 20, thereby drives the hexagonal block 32 to slide away from the axis, makes room for the space in the middle of the lifting shell 18, and then switches the motor 38 to stop, controls the main oil cylinder 4 to extend, drives the upper die 16 to descend, and when the hexagonal block 32 and the lower die 2 are close to each other, the main oil cylinder 4 continues to extend the compression slide spring 15, drives the upper die 16 to penetrate the central through-hole of the lifting shell 18, thereby makes the upper end of the bolt blank 39 enter the die hole 17, and makes the upper end of the bolt blank 39 forged into a hexagonal shape. By controlling the extension and contraction of the main oil cylinder 4, after forging the bolt blank 39 twice, controls the main oil cylinder 4 to contract, drives the hexagonal block 32 to rise away from the lower die 2, and then controls the external cold water equipment to pass cooling water into the cold water nozzle 13. The cold water nozzle 13 sprays cold water on the bolt blank 39 for preliminary cooling and completes the forging process.

[0035] Step 6: Remove burrs: When the forging process is completed, the switching motor 38 continues to rotate forward, thereby driving the rotating shaft 21 to slide outward along the horizontal slide 20 through the driving disc 22. When the rotating shaft 21 reaches the intersection of the disc inclined groove 23 and the disc arc groove 24, the rotating wheel 28 exits the telescopic track 30 and cooperates with the limit spring 31. The driving disc 22 continues to rotate, and the flip plate 29 is pushed by the ratchet 26 to drive the rotating wheel 28 to rotate. When the rotating shaft 21 reaches the end of the disc arc groove 24, the ratchet 26 drives the rotating wheel 28 to rotate 60 degrees, and then the switching motor 38 is switched to the left. The motor 38 is reversed, driving the rotating shaft 21 to the intersection of the disc inclined groove 23 and the disc arc groove 24 again, the pawl 26 passes the flip plate 29, and the switching motor 38 is turned forward again, so that the transmission pawl 26 pushes the rotating wheel 28 to rotate another 60 degrees, thereby driving the hexagonal block 32 to rotate so that the working surface 33 faces the axis; then the switching motor 38 is reversed, and when the rotating shaft 21 reaches the end of the disc inclined groove 23, the rotating shaft 21 returns to the initial position, and the six hexagonal blocks 32 return to the initial position. At this time, the working surface 33 faces the axis and forms a regular hexagonal hole.

[0036] Then the main oil cylinder 4 is controlled to extend, driving the hexagonal block 32 to descend, pressing the flash produced by the forging of the bolt blank 39. As the main oil cylinder 4 continues to extend, the slide spring 15 is compressed. When the lower surface of the upper mold 16 contacts the hexagonal block 32, the main oil cylinder 4 presses the hexagonal block 32, controls the lower oil cylinder 5 to extend, and pushes the bolt blank 39 to rise, thereby cutting off the flash through the hexagonal block 32 and completing the flash cleaning work.

[0037] Step 7: Unloading and equipment reset: After the flash cleaning work is completed, the main oil cylinder 4 is controlled to retract, driving the hexagonal block 32 away from the bolt blank 39. The worker removes the forged bolt blank 39 to complete the unloading. Finally, the lower oil cylinder 5 is controlled to retract and the equipment is reset.

[0038] Step 8: Cycle work: By continuously looping through steps 2 to 7, the bolt blanks 39 can be continuously forged until all the bolt blanks 39 are processed.

[0039] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A bolt processing system, characterized in that: The cleaning frame comprises an equipment frame (1), a main oil cylinder (4), a sliding plate (3) and a cleaning frame; the equipment frame (1) is used to carry a bolt blank (39); the main oil cylinder (4) is fixedly connected to the upper part of the equipment frame (1); the sliding plate (3) is slidably connected to the equipment frame (1), and the sliding plate (3) and the telescopic end of the main oil cylinder (4) are fixedly connected; the cleaning frame is located below the sliding plate (3), and the cleaning frame comprises a hexagonal block (32), six of the hexagonal blocks (32) are uniformly distributed below the sliding plate (3) along the circumferential direction, and the hexagonal blocks (32) can slide back and forth radially along the main oil cylinder (4); the hexagonal block (32) is a regular hexagonal prism structure, and three mutually spaced side surfaces of the hexagonal block (32) are respectively provided with a working surface (33), an end scraper (34) and a circumferential scraper (35); When the hexagonal block (32) is located at the position closest to the axis of the main oil cylinder (4) and the working surface (33) faces inward, the six working surfaces (33) form a regular hexagonal hole; When the hexagonal block (32) is located at the position closest to the axis of the main oil cylinder (4) and the end scrapers (34) are facing inward, the front ends of the six end scrapers (34) are pressed together; When the hexagonal block (32) is located at the position closest to the axis of the main oil cylinder (4) and the circumferential scrapers (35) face inward, the six circumferential scrapers (35) press against the outer circumferential wall of the nut blank (39); When the hexagonal blocks (32) are located at the position farthest from the axis of the main oil cylinder (4), the six hexagonal blocks (32) can rotate.

2. A bolt processing system according to claim 1, characterized in that: The cleaning frame further comprises a lifting shell (18), a fixing disk (19) and a driving disk (22); The lifting shell (18) is located below the sliding plate (3); The fixed plate (19) is fixedly connected to the lower side of the lifting shell (18), and a transmission cavity is formed between the fixed plate (19) and the lifting shell (18). Six horizontal sliding grooves (20) are evenly distributed on the fixed plate (19) along the circumferential direction; The hexagonal block (32) is slidably arranged below the fixed plate (19); The driving disk (22) is rotatably arranged in the transmission cavity, and six groups of driving grooves are evenly distributed on the driving disk (22) along the circumferential direction; the driving groove groups include disk oblique grooves (23) and disk arc grooves (24) that are interconnected.

3. The bolt processing system according to claim 1, characterized in that: The cleaning frame also includes a transmission assembly; The transmission components are provided with six groups, which are evenly distributed in the transmission cavity along the circumferential direction.

4. A bolt processing system according to claim 3, characterized in that: The transmission assembly comprises a rotating shaft (21), a rotating wheel (28), a telescopic track (30) and a limiting spring (31); The telescopic rail (30) is fixedly arranged in the transmission cavity in the radial direction; The rotating wheel (28) can slide along the telescopic track (30), and six flip plates (29) are evenly distributed on the rotating wheel (28) along the circumferential direction, and two adjacent flip plates (29) are pressed against the inner wall of the telescopic track (30); One end of the rotating shaft (21) is fixedly connected to the rotating wheel (28), and the other end is fixedly connected to the hexagonal block (32). The rotating shaft (21) can slide along the horizontal sliding groove (20) and the driving groove group at the same time. The limiting spring (31) is fixedly connected in the transmission cavity, and the limiting spring (31) is located outside the telescopic track (30) to prevent the rotating wheel (28) from rotating.

5. A bolt processing system according to claim 4, characterized in that: The transmission assembly further includes a limit pin (25), a pawl (26) and a torsion spring (27); The limiting pin (25) is fixedly connected above the driving disk (22); The pawl (26) is rotatably connected above the driving disc (22); The torsion spring (27) is arranged in the pawl (26) to drive the pawl (26) to rotate in the direction of the limiting pin (25).

6. The bolt processing system according to claim 4, characterized in that: The cleaning frame further includes a slide bar (14), a slide bar spring (15), a third bevel gear (36), a fourth bevel gear (37) and a switching motor (38); The sliding rod (14) is in sliding engagement with the sliding plate (3), and the lower end of the sliding rod (14) is fixedly connected to the lifting housing (18); The slide rod spring (15) is sleeved on the slide rod (14) to drive the lifting housing (18) to slide downward; The switching motor (38) is fixedly arranged on the lifting housing (18); The fourth bevel gear (37) is fixedly connected to the output shaft of the switching motor (38); The third bevel gear (36) is fixedly connected to the drive disc (22), and the third bevel gear (36) is meshed with the fourth bevel gear (37).

7. The bolt processing system according to claim 1, characterized in that: The processing system also includes an upper mold (16), a lower mold (2) and a lower oil cylinder (5); The lower mold (2) is fixedly arranged on the equipment frame (1), and the lower mold (2) is provided with a lower mold through-hole; The lower oil cylinder (5) is arranged below the lower die (2), and the bolt blank (39) passes through the through hole of the lower die and is pressed against the protruding end of the lower oil cylinder (5); The upper mold (16) is located directly above the lower mold (2), the upper mold (16) is fixedly connected to the telescopic end of the main oil cylinder (4), and a mold hole (17) is provided on the upper mold (16), and the mold hole (17) is a regular hexagonal hole structure.

8. The bolt processing system according to claim 1, characterized in that: The processing system also includes a turntable (6), a first bevel gear (9), a second bevel gear (10), a rotating motor (11) and a fixture assembly; The turntable (6) is rotatably connected to the equipment frame (1) and is located below the lower mold (2); The first bevel gear (9) and the turntable (6) are fixedly connected; The rotating motor (11) and the equipment frame (1) are fixedly connected; The second bevel gear (10) is fixedly connected to the output shaft of the rotating motor (11), and the second bevel gear (10) is meshed with the first bevel gear (9); The clamp assembly is provided with two groups, which are symmetrically arranged on the lower side of the turntable (6) with the axis of the lower mold (2) as the center line; the clamp assembly includes a clamping cylinder (8) and a clamping block (7); the fixed end of the clamping cylinder (8) is fixedly connected to the rotating disk (6), the clamping block (7) is slidably connected to the turntable (6), and the clamping block (7) is fixedly connected to the telescopic end of the clamping cylinder (8).

9. The bolt processing system according to claim 1, characterized in that: The processing system also includes an air nozzle (12) and a cold water nozzle (13); The air nozzle (12) is fixedly connected to the equipment frame (1) and is used to spray air toward the bolt blank (39); The cold water nozzle (13) is fixedly connected to the equipment frame (1) and is used to spray cold water onto the bolt blank (39).

Images