CN117400000A - Cold shearing equipment and process for deformed steel bar processing - Google Patents
Cold shearing equipment and process for deformed steel bar processing Download PDFInfo
- Publication number
- CN117400000A CN117400000A CN202311696147.4A CN202311696147A CN117400000A CN 117400000 A CN117400000 A CN 117400000A CN 202311696147 A CN202311696147 A CN 202311696147A CN 117400000 A CN117400000 A CN 117400000A
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- steel bar
- shearing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 68
- 239000010959 steel Substances 0.000 title claims abstract description 68
- 238000010008 shearing Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008569 process Effects 0.000 title claims abstract description 15
- 238000005498 polishing Methods 0.000 claims description 49
- 230000007246 mechanism Effects 0.000 claims description 34
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 230000003139 buffering effect Effects 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 description 7
- 229910001651 emery Inorganic materials 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides cold shearing equipment and a cold shearing process for deformed steel bar processing, which relate to the field of deformed steel bar processing and comprise the following steps: the two supporting frames are fixedly connected to the lower end face of the equipment main body; the fixed piers are fixedly connected to the inner sides of the two supporting frames; the cushion block is connected to the inner sides of the two supporting frames in a sliding way, and a plurality of semicircular jaws are formed in the upper end face of the cushion block; the screw thread steel is connected to the inner side of the jaw of the upper end face of the cushion block in a sliding manner; the guide rail slides to be connected with the front end surface of the support frame; the fixed plate is fixedly connected to the upper end face of the guide rail; by the arrangement of the invention, the threaded rod is positioned and clamped, the shearing quality is improved, the subsequent processing quality is ensured, and the problems that the shearing quality is affected due to asymmetric notch of the deformed steel bar when shearing caused by the fact that the deformed steel bar is easily shifted in position due to the conveying of the deformed steel bar in the shearing process of the conventional deformed steel bar processing cold shearing equipment are solved.
Description
Technical Field
The invention relates to the technical field of deformed steel bar processing, in particular to cold shearing equipment and a cold shearing process for deformed steel bar processing.
Background
In the production process of the deformed steel bar, processes such as extrusion molding, transverse rib rolling, cooling, cold shearing cutting and the like are usually required, cold shearing equipment of the deformed steel bar is usually composed of a cutting device and a polishing device, the deformed steel bar is cut and segmented through the cutting device, and burrs at the cutting position are removed through the polishing device and then bundled.
According to the application number: CN202110107615.4 discloses a cold shearing process for high-strength finish rolling deformed steel bar, which comprises a main board, a cutting device and a polishing device, wherein the cutting device is arranged at the upper end of the main board, the polishing device is arranged on the right side of the cutting device, and the polishing device is arranged on the main board. The invention can solve the problems that when the existing equipment is used for polishing the end part of the cut screw-thread steel, the two ends of the screw-thread steel are usually polished separately, and the two ends of the screw-thread steel bar cannot be polished simultaneously, so that the step of polishing the screw-thread steel bar is increased, the polishing speed of the screw-thread steel bar is reduced, and the existing equipment usually needs to be used manually and cannot realize automatic polishing, so that the labor intensity of manpower is increased, the labor cost is increased, and meanwhile, the two ends of the screw-thread steel cannot be polished in a multi-station working mode, so that the polishing efficiency of the end part of the screw-thread steel is reduced, the processing speed of the screw-thread steel is reduced, and the like.
However, in the shearing process of the existing cold shearing equipment for processing the deformed steel bar, the deformed steel bar is easy to shift in position due to the conveying of the deformed steel bar, so that the notch of the deformed steel bar is asymmetric when shearing is performed, the shearing quality is affected, and the subsequent processing quality is affected.
Disclosure of Invention
In view of the above, the invention provides cold shearing equipment and a cold shearing process for processing deformed steel bars, which have the advantages of improving shearing quality and ensuring subsequent processing quality.
The invention provides cold shearing equipment and a cold shearing process for processing deformed steel bars, which specifically comprise the following steps: the device comprises a device main body, a supporting frame, a fixed pier, a cushion block, screw steel, a guide rail, a fixed plate, a sliding rail, a sliding frame, a positioning and clamping mechanism and a buffering and polishing mechanism; the two supporting frames are fixedly connected to the lower end face of the equipment main body; the fixed piers are fixedly connected to the inner sides of the two supporting frames; the cushion block is connected to the inner sides of the two supporting frames in a sliding way, and a plurality of semicircular jaws are formed in the upper end face of the cushion block; the screw thread steel is connected to the inner side of the jaw of the upper end face of the cushion block in a sliding manner; the guide rail slides to be connected with the front end surface of the support frame; the fixed plate is fixedly connected to the upper end face of the guide rail; the sliding rail is fixedly connected to the inner side of the supporting frame; the sliding frame is connected to the outer side of the sliding rail in a sliding way; the positioning and clamping mechanism is arranged at the front end of the inner side of the support frame; the buffering polishing mechanism is arranged on the inner side of the supporting frame.
Further, the positioning and clamping mechanism comprises: the device comprises a screw rod, a belt pulley, a connecting belt and a servo motor; the two lead screws are rotatably connected to the inner side of the equipment main body and are in threaded connection with the guide rail; the two belt pulleys are respectively and fixedly connected to the upper end surfaces of the two lead screws; the connecting belt is coated on the outer sides of the two belt pulleys; the servo motor is fixedly arranged on the inner side of the equipment main body, and the servo motor rotating shaft is fixedly connected with the left belt wheel.
Further, the positioning and clamping mechanism further comprises: the device comprises a sliding block, a fixing piece, a fixing rack and a positioning block; the sliding block is connected to the inner side of the guide rail in a sliding way; the fixing piece is fixedly connected to the upper end face of the sliding block; the fixed rack is fixedly connected to the inner side of the guide rail; the positioning block is fixedly arranged on the lower end face of the sliding block.
Further, the positioning and clamping mechanism further comprises: positioning motor, worm wheel and fixed gear; the positioning motor is fixedly arranged on the inner side of the sliding block; the worm is rotationally connected to the inner side of the sliding block and fixedly connected with the rotating shaft of the positioning motor; the worm wheel is rotationally connected to the inner side of the sliding block and meshed with the worm; the fixed gear is provided with two fixed gears, the two fixed gears are fixedly connected to the outer side of the worm wheel, and the two fixed gears are meshed with the fixed rack.
Further, the positioning and clamping mechanism further comprises: sprocket, chain and drive bevel gear; the two chain wheels are respectively connected to the rear end face of the fixed plate in a rotating way; the chain is coated on the outer sides of the two chain wheels and is fixedly connected with the fixing piece; the driving bevel gears are two, and the two driving bevel gears are fixedly connected to the rear end faces of the two chain wheels respectively.
Further, the positioning and clamping mechanism further comprises: driven bevel gears, right angle frames, square rods, threaded rods, clamping pieces, clamping blocks and clamping springs; the two driven bevel gears are respectively connected to the inner sides of the two supporting frames in a rotating way, and are meshed with the two driving bevel gears; the two right-angle frames are arranged, and each right-angle frame is rotationally connected with the driving bevel gear and the driven bevel gear; the square rods are arranged in two and fixedly connected to the lower end surfaces of the two driven bevel gears respectively; the two threaded rods are respectively and slidably connected to the outer sides of the two square rods, and are rotatably connected to the inner sides of the two supporting frames; the clamping piece is connected to the inner sides of the two supporting frames in a sliding manner, and is in threaded connection with the threaded rod; the clamping block is connected to the inner side of the clamping piece in a sliding manner, and a plurality of jaws are arranged on the lower end face of the clamping block; the clamping springs are arranged in a plurality, and are fixedly connected to the upper end face of the clamping block and fixedly connected to the inner side of the clamping piece.
Further, the buffering grinding mechanism includes: a buffer spring and a buffer damper; the plurality of buffer springs are arranged, the plurality of buffer springs are fixedly connected to the upper end of the fixed pier, and the upper ends of the plurality of buffer springs are fixedly connected to the lower end face of the cushion block; the buffer damper is fixedly connected to the upper end of the fixed pier, and the upper end of the buffer damper is fixedly connected to the lower end face of the cushion block.
Further, the buffering polishing mechanism further comprises: the polishing device comprises a polishing motor, a grinding wheel, a connecting gear and a variable gear; the polishing motor is fixedly arranged on the upper end face of the sliding frame; the grinding wheel is fixedly connected to the front end of the rotating shaft of the grinding motor, and is rotatably connected to the upper end of the sliding frame; the connecting gear is fixedly connected to the outer side of the rotating shaft of the polishing motor; the speed change gear is rotatably connected to the inner side of the sliding frame and meshed with the connecting gear.
Further, the buffering polishing mechanism further comprises: gear shaft, displacement gear, cross bar and polishing rack; the gear shaft is fixedly connected to the rear end face of the speed change gear; the displacement gear is rotationally connected to the inner side of the sliding frame and meshed with the gear shaft; the cross rod is fixedly connected to the inner side of the support frame; the polishing rack is fixedly connected to the upper end face of the cross rod, and is meshed with the displacement gear.
The beneficial effects are that:
according to the invention, the threaded rod is positioned and clamped through the arrangement of the positioning and clamping mechanism, the sliding block is driven to slide through the starting of the positioning motor, the positioning block is driven to slide through the sliding block to horizontally position the threaded steel, and the clamping piece can be moved to clamp the threaded steel in the positioning process, so that the asymmetry of a shearing opening during shearing is prevented, the shearing quality is improved, and the subsequent processing quality is ensured.
In addition, through buffering grinding machanism's setting, realized the vibration attenuation and the polishing of terminal surface of screw thread steel after shearing is accomplished, through the start of polishing the motor, drive the emery wheel rotation, and drive displacement gear rotation when the emery wheel is rotatory, the rotation of displacement gear can be through the meshing drive carriage with the rack of polishing slide, makes the carriage drive the emery wheel slide, polishes screw thread steel, gets rid of the burr of screw thread steel terminal surface, has improved processingquality.
In addition, through the arrangement of the mechanism, the threaded rod is positioned and clamped, the shearing quality is improved, the subsequent processing quality is ensured, vibration reduction of deformed steel bar after shearing is finished and polishing of the end face are also realized, and the processing quality is improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic structural view of a main body of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a pulley according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a slider according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional structural view of a rail according to an embodiment of the present invention.
Fig. 5 is a schematic view showing a fixed gear split structure according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a clamping block according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of a grinding motor according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of a buffering damper of an embodiment of the present invention.
Fig. 9 is a schematic structural view of a carriage according to an embodiment of the present invention.
Fig. 10 is a schematic structural view of a gear shaft according to an embodiment of the present invention.
Fig. 11 is a partially enlarged structural schematic diagram of fig. 7 a in accordance with an embodiment of the present invention.
List of reference numerals
1. An apparatus main body; 2. a support frame; 3. a fixed pier; 4. a cushion block; 5. screw thread steel; 6. a guide rail; 7. a fixing plate; 8. a slide rail; 9. a carriage; 10. a screw rod; 11. a belt wheel; 12. a connecting belt; 13. a servo motor; 14. a slide block; 15. a fixing member; 16. a fixed rack; 17. a positioning block; 18. a positioning motor; 19. a worm; 20. a worm wheel; 21. a fixed gear; 22. a sprocket; 23. a chain; 24. a drive bevel gear; 25. a driven bevel gear; 26. a right angle frame; 27. square rods; 28. a threaded rod; 29. a clamping member; 30. a clamping block; 31. a clamping spring; 32. a buffer spring; 33. a buffering damper; 34. polishing a motor; 35. grinding wheel; 36. a connecting gear; 37. a speed change gear; 38. a gear shaft; 39. a displacement gear; 40. a cross bar; 41. and (5) polishing the rack.
Detailed Description
Embodiment one:
please refer to fig. 1-6:
the invention provides cold shearing equipment and a process for processing deformed steel bar, comprising an equipment main body 1, a support frame 2, a fixed pier 3, a cushion block 4, deformed steel bar 5, a guide rail 6, a fixed plate 7, a slide rail 8, a slide frame 9, a positioning and clamping mechanism and a buffer polishing mechanism; the two support frames 2 are arranged, and the two support frames 2 are fixedly connected to the lower end face of the equipment main body 1; the fixed piers 3 are fixedly connected to the inner sides of the two supporting frames 2; the cushion block 4 is connected to the inner sides of the two support frames 2 in a sliding way, and a plurality of semicircular jaws are formed in the upper end face of the cushion block 4; the screw steel 5 is connected to the inner side of the jaw of the upper end face of the cushion block 4 in a sliding way; the guide rail 6 slides to be connected with the front end surface of the support frame 2; the fixed plate 7 is fixedly connected to the upper end face of the guide rail 6; the sliding rail 8 is fixedly connected to the inner side of the supporting frame 2; the sliding frame 9 is connected to the outer side of the sliding rail 8 in a sliding way; the positioning and clamping mechanism is arranged at the front end of the inner side of the support frame 2; the buffer polishing mechanism is arranged on the inner side of the supporting frame 2.
Wherein, positioning and clamping mechanism includes: screw 10, belt pulley 11, connecting belt 12, servo motor 13, slider 14, fixing piece 15, fixed rack 16, positioning block 17, positioning motor 18, worm 19, worm wheel 20, fixed gear 21, sprocket 22, chain 23, drive bevel gear 24, driven bevel gear 25, right angle frame 26, square rod 27, threaded rod 28, clamping piece 29, clamping block 30 and clamping spring 31; the two lead screws 10 are arranged, the two lead screws 10 are both rotationally connected to the inner side of the equipment main body 1, and the two lead screws 10 are both in threaded connection with the guide rail 6; the two pulleys 11 are arranged, and the two pulleys 11 are respectively and fixedly connected to the upper end surfaces of the two lead screws 10; the connecting belt 12 is wrapped on the outer sides of the two pulleys 11; the servo motor 13 is fixedly arranged on the inner side of the equipment main body 1, and a rotating shaft of the servo motor 13 is fixedly connected with the left belt pulley 11; the slide block 14 is connected to the inner side of the guide rail 6 in a sliding way; the fixing piece 15 is fixedly connected to the upper end face of the sliding block 14; the fixed rack 16 is fixedly connected to the inner side of the guide rail 6; the positioning block 17 is fixedly arranged on the lower end face of the sliding block 14; the positioning motor 18 is fixedly arranged on the inner side of the sliding block 14; the worm 19 is rotationally connected to the inner side of the slide block 14, and the worm 19 is fixedly connected with the rotating shaft of the positioning motor 18; the worm wheel 20 is rotatably connected to the inner side of the slide block 14, and the worm wheel 20 is meshed with the worm 19; the two fixed gears 21 are arranged, the two fixed gears 21 are fixedly connected to the outer side of the worm wheel 20, and the two fixed gears 21 are meshed with the fixed rack 16; the two chain wheels 22 are arranged, and the two chain wheels 22 are both rotatably connected to the rear end face of the fixed plate 7; the chain 23 is coated on the outer sides of the two chain wheels 22, and the chain 23 is fixedly connected with the fixing piece 15; the number of the drive bevel gears 24 is two, and the two drive bevel gears 24 are fixedly connected to the rear end surfaces of the two chain wheels 22 respectively; the driven bevel gears 25 are two, the two driven bevel gears 25 are respectively connected to the inner sides of the two supporting frames 2 in a rotating way, and the two driven bevel gears 25 are meshed with the two driving bevel gears 24; two right-angle brackets 26 are arranged, and each right-angle bracket 26 is rotationally connected with the driving bevel gear 24 and the driven bevel gear 25; the square rods 27 are two, and the two square rods 27 are fixedly connected to the lower end surfaces of the two driven bevel gears 25 respectively; the two threaded rods 28 are arranged, the two threaded rods 28 are respectively and slidably connected to the outer sides of the two square rods 27, and the two threaded rods 28 are rotatably connected to the inner sides of the two support frames 2; the clamping piece 29 is connected to the inner sides of the two support frames 2 in a sliding manner, and the clamping piece 29 is connected with the threaded rod 28 in a threaded manner; the clamping block 30 is connected to the inner side of the clamping piece 29 in a sliding manner, and a plurality of jaws are arranged on the lower end surface of the clamping block 30; the clamping springs 31 are provided with a plurality of clamping springs 31, the plurality of clamping springs 31 are fixedly connected to the upper end face of the clamping block 30, and the plurality of clamping springs 31 are fixedly connected to the inner side of the clamping piece 29.
Specific use and action of the embodiment: by starting the servo motor 13, the servo motor 13 drives the belt pulley 11 to rotate, the belt pulley 11 rotates to drive the screw rod 10 to rotate through the belt pulley 11 and the connecting belt 12, the screw rod 10 is connected with the guide rail 6 through threads, the height of the guide rail 6 can be adjusted, the guide rail 6 can slide up and down in the sliding process, the fixed plate 7, the chain wheel 22, the driving bevel gear 24, the driven bevel gear 25, the right angle frame 26 and the square rod 27 follow the sliding, after the adjustment, when the threaded steel 5 is fed into the equipment main body 1 for processing, the positioning motor 18 can be started at first, the worm wheel 20 is driven to rotate through the worm 19, the worm wheel 20 rotates to drive the fixed gear 21 to rotate, the fixed gear 21 is meshed with the fixed rack 16 through the fixed gear 21, the slider 14 slides to drive the positioning block 17 through the slider 14, the threaded steel 5 is pushed into the jaw of the upper end face of the cushion block 4, and meanwhile, the slider 14 drives the chain 23 through the fixed piece 15 to drive the chain, the driving bevel gear 24 rotates through the chain wheel 22, the rotation of the driving bevel gear 24 also drives the square rod 25 through the meshing with the driven bevel gear 25 to drive the square rod 27, and the clamping piece 28 is connected with the threaded steel 5 through the threaded rod 28, and the threaded rod 5 is tightly clamped by the threaded rod 5, and the threaded rod 5 is clamped by the threaded rod 28 and the threaded rod 5 is tightly clamped by the threaded rod 2 and the threaded rod 5.
Embodiment two:
on the basis of the first embodiment, as shown in fig. 7-11, the polishing machine further comprises a buffer polishing mechanism, a buffer spring 32, a buffer damper 33, a polishing motor 34, a grinding wheel 35, a connecting gear 36, a speed gear 37, a gear shaft 38, a displacement gear 39, a cross bar 40 and a polishing rack 41; the plurality of buffer springs 32 are arranged, the plurality of buffer springs 32 are fixedly connected to the upper end of the fixed pier 3, and the upper ends of the plurality of buffer springs 32 are fixedly connected to the lower end face of the cushion block 4; the buffer damper 33 is fixedly connected to the upper end of the fixed pier 3, and the upper end of the buffer damper 33 is fixedly connected to the lower end surface of the cushion block 4; the polishing motor 34 is fixedly arranged on the upper end surface of the sliding frame 9; the grinding wheel 35 is fixedly connected to the front end of the rotating shaft of the grinding motor 34, and the grinding wheel 35 is rotatably connected to the upper end of the sliding frame 9; the connecting gear 36 is fixedly connected to the outer side of the rotating shaft of the polishing motor 34; a speed change gear 37 is rotatably connected to the inner side of the carriage 9, and the speed change gear 37 is meshed with the connecting gear 36; the gear shaft 38 is fixedly connected to the rear end face of the speed change gear 37; the displacement gear 39 is rotatably connected to the inner side of the sliding frame 9, and the displacement gear 39 is meshed with the gear shaft 38; the cross bar 40 is fixedly connected to the inner side of the support frame 2; the polishing rack 41 is fixedly connected to the upper end surface of the cross bar 40, and the polishing rack 41 is meshed with the displacement gear 39.
Specific use and action of the embodiment: in the cold shearing process of the screw steel 5, vibration generated during shearing can be reduced through the arrangement of the buffer spring 32 and the buffer damper 33, after shearing is completed, the polishing motor 34 can be started to drive the grinding wheel 35 to rotate so as to polish the shearing end face of the screw steel 5, in the polishing process, the rotation of the grinding wheel 35 can drive the gear shaft 38 to rotate through the engagement of the connecting gear 36 and the speed change gear 37, the rotation of the gear shaft 38 can enable the displacement gear 39 to rotate through the engagement of the displacement gear 39, and when the displacement gear 39 rotates due to the engagement of the displacement gear 39 and the polishing rack 41, the sliding frame 9 can be driven to slide so as to drive the grinding wheel 35 to slide, and the screw steel 5 is polished.
Claims (10)
1. The cold shearing equipment for machining the screw steel comprises an equipment main body (1), a support frame (2), a fixed pier (3), a cushion block (4), screw steel (5), a guide rail (6), a fixed plate (7), a slide rail (8), a sliding frame (9), a positioning and clamping mechanism and a buffering and polishing mechanism; two support frames (2) are arranged, and the two support frames (2) are fixedly connected to the lower end face of the equipment main body (1); the fixed piers (3) are fixedly connected to the inner sides of the two supporting frames (2); the method is characterized in that: the cushion block (4) is connected to the inner sides of the two supporting frames (2) in a sliding manner, and a plurality of semicircular jaws are formed in the upper end face of the cushion block (4); the screw-thread steel (5) is connected with the inner side of the jaw of the upper end face of the cushion block (4) in a sliding way; the guide rail (6) slides to be connected with the front end surface of the support frame (2); the fixed plate (7) is fixedly connected to the upper end face of the guide rail (6); the sliding rail (8) is fixedly connected to the inner side of the supporting frame (2); the sliding frame (9) is connected to the outer side of the sliding rail (8) in a sliding way; the positioning and clamping mechanism is arranged at the front end of the inner side of the supporting frame (2); the buffering polishing mechanism is arranged on the inner side of the supporting frame (2).
2. A cold shearing apparatus for deformed steel bar processing as defined in claim 1, wherein: the positioning and clamping mechanism comprises: a screw (10), a belt wheel (11), a connecting belt (12) and a servo motor (13); the two lead screws (10) are arranged, the two lead screws (10) are both rotationally connected to the inner side of the equipment main body (1), and the two lead screws (10) are both in threaded connection with the guide rail (6); the two pulleys (11) are arranged, and the two pulleys (11) are respectively and fixedly connected to the upper end surfaces of the two lead screws (10); the connecting belt (12) is coated on the outer sides of the two belt wheels (11); the servo motor (13) is fixedly arranged on the inner side of the equipment main body (1), and a rotating shaft of the servo motor (13) is fixedly connected with the left belt wheel (11).
3. A cold shearing apparatus for deformed steel bar processing as defined in claim 2, wherein: the positioning and clamping mechanism further comprises: the device comprises a sliding block (14), a fixing piece (15), a fixed rack (16) and a positioning block (17); the sliding block (14) is connected to the inner side of the guide rail (6) in a sliding way; the fixing piece (15) is fixedly connected to the upper end face of the sliding block (14); the fixed rack (16) is fixedly connected to the inner side of the guide rail (6); the positioning block (17) is fixedly arranged on the lower end face of the sliding block (14).
4. A cold shearing apparatus for deformed steel bar processing as set forth in claim 3, wherein: the positioning and clamping mechanism further comprises: a positioning motor (18), a worm (19), a worm wheel (20) and a fixed gear (21); the positioning motor (18) is fixedly arranged on the inner side of the sliding block (14); the worm (19) is rotationally connected to the inner side of the sliding block (14), and the worm (19) is fixedly connected with a rotating shaft of the positioning motor (18); the worm wheel (20) is rotationally connected to the inner side of the sliding block (14), and the worm wheel (20) is meshed with the worm (19); the two fixed gears (21) are arranged, the two fixed gears (21) are fixedly connected to the outer side of the worm wheel (20), and the two fixed gears (21) are meshed with the fixed rack (16).
5. A cold shearing apparatus for deformed steel bar processing as defined in claim 4, wherein: the positioning and clamping mechanism further comprises: a sprocket (22), a chain (23) and a drive bevel gear (24); the two chain wheels (22) are arranged, and the two chain wheels (22) are both rotatably connected to the rear end face of the fixed plate (7); the chain (23) is coated on the outer sides of the two chain wheels (22), and the chain (23) is fixedly connected with the fixing piece (15); the two driving bevel gears (24) are arranged, and the two driving bevel gears (24) are respectively and fixedly connected to the rear end faces of the two chain wheels (22).
6. A cold shearing apparatus for deformed steel bar processing as defined in claim 5, wherein: the positioning and clamping mechanism further comprises: a driven bevel gear (25), a right angle frame (26), a square rod (27), a threaded rod (28), a clamping piece (29), a clamping block (30) and a clamping spring (31); the two driven bevel gears (25) are arranged, the two driven bevel gears (25) are respectively connected to the inner sides of the two supporting frames (2) in a rotating mode, and the two driven bevel gears (25) are meshed with the two driving bevel gears (24); two right-angle frames (26) are arranged, and each right-angle frame (26) is rotationally connected with the driving bevel gear (24) and the driven bevel gear (25); two square rods (27) are arranged, and the two square rods (27) are fixedly connected to the lower end surfaces of the two driven bevel gears (25) respectively; the two threaded rods (28) are arranged, the two threaded rods (28) are respectively and slidably connected to the outer sides of the two square rods (27), and the two threaded rods (28) are rotatably connected to the inner sides of the two supporting frames (2); the clamping piece (29) is connected to the inner sides of the two supporting frames (2) in a sliding manner, and the clamping piece (29) is in threaded connection with the threaded rod (28); the clamping block (30) is connected to the inner side of the clamping piece (29) in a sliding manner, and a plurality of jaws are arranged on the lower end face of the clamping block (30); the clamping springs (31) are provided with a plurality of clamping springs (31), the clamping springs (31) are fixedly connected to the upper end face of the clamping block (30), and the clamping springs (31) are fixedly connected to the inner side of the clamping piece (29).
7. A cold shearing apparatus for deformed steel bar processing as defined in claim 1, wherein: the buffering polishing mechanism comprises: a buffer spring (32) and a buffer damper (33); the buffer springs (32) are arranged in a plurality, the buffer springs (32) are fixedly connected to the upper ends of the fixed piers (3), and the upper ends of the buffer springs (32) are fixedly connected to the lower end surfaces of the cushion blocks (4); the buffer damper (33) is fixedly connected to the upper end of the fixed pier (3), and the upper end of the buffer damper (33) is fixedly connected to the lower end face of the cushion block (4).
8. A cold shearing apparatus for deformed steel bar processing as defined in claim 7, wherein: the buffering polishing mechanism further comprises: a polishing motor (34), a grinding wheel (35), a connecting gear (36) and a variable gear (37); the polishing motor (34) is fixedly arranged on the upper end face of the sliding frame (9); the grinding wheel (35) is fixedly connected to the front end of the rotating shaft of the grinding motor (34), and the grinding wheel (35) is rotatably connected to the upper end of the sliding frame (9); the connecting gear (36) is fixedly connected to the outer side of the rotating shaft of the polishing motor (34); the speed change gear (37) is rotatably connected to the inner side of the sliding frame (9), and the speed change gear (37) is meshed with the connecting gear (36).
9. A cold shearing apparatus for deformed steel bar processing as defined in claim 8, wherein: the buffering polishing mechanism further comprises: a gear shaft (38), a displacement gear (39), a cross bar (40) and a polishing rack (41); the gear shaft (38) is fixedly connected to the rear end face of the speed change gear (37); the displacement gear (39) is rotationally connected to the inner side of the sliding frame (9), and the displacement gear (39) is meshed with the gear shaft (38); the cross rod (40) is fixedly connected to the inner side of the support frame (2); the polishing rack (41) is fixedly connected to the upper end face of the cross rod (40), and the polishing rack (41) is meshed with the displacement gear (39).
10. The processing technology of the cold shearing equipment for processing the deformed steel bar according to claim 1, which comprises the following steps:
01. positioning deformed steel bar:
after an operator adjusts the guide rail to a proper position, a positioning motor is started, so that the slide block drives the positioning block to horizontally move along the guide rail, and the horizontal position of the screw thread steel is positioned;
02. clamping deformed steel bar:
when the screw-thread steel is positioned ready, two semicircular jaws of the clamp are closed, semicircular grooves in the jaws are matched with the outer diameter of the screw-thread steel, and a wear-resistant rubber pad is stuck inside to prevent the surface of the screw-thread steel from being damaged;
03. performing shearing:
once the screw steel is firmly clamped in the clamp, the shearing mechanism is started, the power part of the shearing mechanism is started, and the output gear connected with the shearing blade is driven to make the shearing blade do downward-pressing shearing action, and at the moment, the vibration in the shearing process is absorbed and reduced under the cooperative work of the buffer spring and the buffer damper;
04. end face finishing:
after shearing is completed, a grinding motor drives a grinding wheel to rotate, and the end face of the freshly sheared deformed steel bar is ground to remove burrs and unevenness;
05. reset prepares for the next shear:
after the end face is polished, the clamp releases the deformed steel bar, the clamp jaw is opened, the sliding block is reset, the shearing blade and the grinding wheel return to the initial state, and the cushion block is restored to the original state under the action of the buffer spring to prepare for the next shearing.
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| CN202311696147.4A CN117400000B (en) | 2023-12-12 | 2023-12-12 | Cold shearing equipment and process for deformed steel bar processing |
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| FR2587926A1 (en) * | 1985-10-01 | 1987-04-03 | Aerospatiale | Method and machine for cutting up and deburring tubes to be cut to size |
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