CN116618694B - Precise cutting device for pin shaft production and processing - Google Patents
Precise cutting device for pin shaft production and processing Download PDFInfo
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- CN116618694B CN116618694B CN202310889328.2A CN202310889328A CN116618694B CN 116618694 B CN116618694 B CN 116618694B CN 202310889328 A CN202310889328 A CN 202310889328A CN 116618694 B CN116618694 B CN 116618694B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 51
- 238000012545 processing Methods 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000007514 turning Methods 0.000 claims abstract description 38
- 230000001360 synchronised effect Effects 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims 2
- 230000000712 assembly Effects 0.000 abstract description 6
- 238000000429 assembly Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 5
- 238000003754 machining Methods 0.000 description 9
- 238000013459 approach Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005555 metalworking Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/08—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning axles, bars, rods, tubes, rolls, i.e. shaft-turning lathes, roll lathes; Centreless turning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention relates to the technical field of metal processing, in particular to a precision cutting device for pin shaft production and processing, which comprises a main body supporting part, wherein a centering clamping assembly, a cutting knife assembly and a plurality of driving rotating assemblies are arranged on the main body supporting part, the number of the driving rotating assemblies is not less than two, at least one driving rotating assembly is always contacted with a pin shaft during the turning processing of the pin shaft, and the driving rotating assemblies can adjust the positions of the driving rotating assemblies on the main body supporting part. According to the invention, the bottom plate, the cushion block, the portal frame, the guide rail, the opening frame, the limiting frame, the mounting seat, the hydraulic cylinder A, the synchronous frame, the H-shaped sliding block and the ejector pin are arranged, so that the automatic feeding device has the functions of continuous processing, efficient turning, automatic centering, automatic clamping, driving rotation, component force supporting, convenience in feeding, automatic turning, accurate processing and automatic avoidance.
Description
Technical Field
The invention relates to the technical field of metal processing, in particular to a precision cutting device for pin shaft production and processing.
Background
Metalworking is abbreviated as metalworking, and refers to a production activity of processing a material having metal characteristics composed of a metal element or a metal element as a main component by a human being. The technology is a technology for processing metal materials into articles, parts and components, and comprises large parts such as bridges, ships and the like, and even fine components of engines, jewelry and wristwatches. It is widely used in science, industry, art, craft and other fields.
The pin shaft is a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, and is mainly used for the hinge joint of two parts to form hinge connection. The pin shaft is usually locked by a cotter pin, so that the pin shaft is reliable in work and convenient to detach. During the production and processing of the pin shaft, the pin shaft needs to be subjected to finish machining, and the pin shaft is a rotary shaft type part, so that the turning processing is usually performed by adopting a lathe processing mode.
When the existing pin shaft is finished by using a lathe, one end of the pin shaft is clamped by using a three-jaw chuck, then the other end of the pin shaft is turned, after one end of the pin shaft is machined, the pin shaft is detached from the three-jaw chuck, then the machined end of the pin shaft is clamped on the three-jaw chuck, and then the unmachined end of the pin shaft is turned, so that the pin shaft can be clamped and disassembled twice in the machining mode, the pin shaft cannot be machined completely once, the machining efficiency is low, and therefore, the precision cutting device for pin shaft production machining is provided, and the problem is solved.
Disclosure of Invention
The invention provides a precision cutting device for pin production and machining, which aims to solve the problems that when the existing pin shaft is subjected to finish machining by using a lathe, one end of the pin shaft is clamped by using a three-jaw chuck, then the other end of the pin shaft is subjected to turning, after one end of the pin shaft is machined, the pin shaft is required to be detached from the three-jaw chuck, then one end of the pin shaft which is machined is clamped on the three-jaw chuck, and then the unprocessed end of the pin shaft is subjected to turning.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a precision cutting device is used in round pin axle production processing, includes main part supporting part, be equipped with a centering clamping subassembly, cutting knife tackle spare and a plurality of drive rotating assembly on the main part supporting part, the quantity that drives rotating assembly is not less than two, can be less than all the time during carrying out turning to the round pin axle drive rotating assembly and round pin axle contact, it can adjust its position on the main part supporting part to drive rotating assembly, centering clamping subassembly is used for confirming the centre of a circle of round pin axle and clamping fixed round pin axle, it is used for driving the round pin axle and rotates to drive rotating assembly, cutting knife tackle spare is used for carrying out accurate turning to the round pin axle when the round pin axle is rotatory, cutting knife tackle spare can drive rotating assembly and avoid cutting knife tackle spare automatically, it can not influence cutting knife tackle spare and carry out turning processing to drive rotating assembly, cutting knife tackle spare moves once to a direction when the round pin axle is rotatory and can carry out turning processing to the excircle part of round pin axle.
Preferably, the main part supporting part includes the bottom plate, the downside of bottom plate is fixed with a plurality of cushion, the upside of bottom plate is fixed with portal frame, guided way, portal frame one side is equipped with the opening frame, the both sides that the portal frame kept away from mutually all are fixed with the limit frame, the opening frame all slides in the limit frame inboard, the both sides that the portal frame kept away from mutually all are fixed with the mount pad, mount pad one side all is equipped with the mounting hole, the mounting hole inboard all is fixed with the A pneumatic cylinder, the A pneumatic cylinder all need be through the external solenoid valve of oil pipe, the axle head of A pneumatic cylinder all is fixed on the opening frame.
Preferably, the centering clamping assembly comprises two synchronous frames, H-shaped sliding blocks are fixed on the lower sides of the synchronous frames, sliding holes are formed in the upper sides of the bottom plates, the H-shaped sliding blocks slide on the inner sides of the sliding holes, synchronous reverse driving assemblies are arranged between the H-shaped sliding blocks and the bottom plates, ejector pins are arranged on one sides, close to each other, of the synchronous frames in a rotating mode, conical head sleeves are arranged on the peripheries of the ejector pins in a sliding mode, driving blocks are fixed on the peripheries of the conical head sleeves, through holes are formed in the synchronous frames, B hydraulic cylinders are arranged on the inner sides of the through holes in a sliding mode, the B hydraulic cylinders are connected with electromagnetic valves in an external mode through oil pipes, shaft ends of the B hydraulic cylinders are fixed on the driving blocks, fixing rings and limiting rings are fixed on the peripheries of the B hydraulic cylinders, the fixing rings are located between the driving blocks and the synchronous frames, and A springs are fixed between the fixing rings and the synchronous frames.
Preferably, the synchronous reverse driving assembly comprises a hydraulic motor, a mounting frame is fixed on the lower side of the bottom plate, the hydraulic motor is fixed on the mounting frame, the hydraulic motor is required to be externally connected with an oil pump through an oil pipe, an A rack is fixed on the lower side of the H-shaped sliding block, an A gear is arranged between the A racks, the A gear is connected with the A rack through meshing transmission, the A gear is fixed on the shaft end of the hydraulic motor, a stabilizing frame is sliding on one side of the A rack, and the stabilizing frame is fixed on the lower side of the bottom plate.
Preferably, the cutting knife assembly comprises a sliding frame, the sliding frame slides on the upper side of a bottom plate, an A stepping motor is fixed on the upper side of the bottom of the sliding frame, a B gear is fixed on the shaft end of the A stepping motor, a B rack is fixed on the upper side of the bottom plate, the B gear is connected with the B rack through meshing transmission, an adjusting hole is formed in the sliding frame, a knife rest is arranged on the inner side of the adjusting hole in a sliding mode, a threaded hole is formed in one side of the knife rest, a threaded rod is connected with the inner side of the threaded hole in a threaded mode, a B stepping motor is fixed on one end of the threaded rod, the A stepping motor and the B stepping motor are all required to be connected with a driving controller and a power supply through wires in an external mode, a knife holder is fixed on the knife rest, a turning tool is detachably arranged on the inner side of the knife holder, a connecting frame is fixed on the upper side of the sliding frame, a driving plate is arranged on the lower side of the top of the gantry in a sliding mode, and a driving groove is formed in the lower side of the driving plate.
Preferably, the sliding frame is provided with a through hole, an air cooling pipe slides on the inner side of the through hole, a connecting block is fixed between the air cooling pipe and the tool apron, a supporting block is fixed on one side of the tool rest, and a cleaning brush is fixed on one side of the supporting block.
Preferably, the driving rotating assembly comprises a positioning frame which is connected with the inner side of the guide rail in a sliding way, an outer U-shaped frame is arranged at one side of the positioning frame, two L-shaped guide frames are fixed at one side of the outer U-shaped frame, two guide holes are arranged on one side of the positioning frame, the L-shaped guide frame is connected with the inner side of the guide holes in a sliding way, the L-shaped guide frame can be contacted with the opening frame, an inner U-shaped frame is arranged at the inner side of the outer U-shaped frame, two T-shaped frames are fixed on one side of the inner U-shaped frame, two connecting holes are arranged on one side of the outer U-shaped frame, the T-shaped frame is connected with the inner side of the connecting hole in a sliding way, a plurality of A tension springs are fixed between the inner U-shaped frame and the outer U-shaped frame, the upper side of the inner U-shaped frame is fixed with a double fork frame, the upper side of the double fork frame and the lower side of the top of the position adjusting frame are both fixed with fixing sheets, a B tension spring is fixed between the two fixing sheets, an A driving column is fixed on the upper side of the double fork frame, a B driving column is fixed on the upper side of the outer U-shaped frame, the A driving column can slide inside the A driving groove, the B driving column can slide inside the B driving groove, the upper side of the positioning frame is provided with a limiting hole, the driving column A and the driving column B both slide on the inner side of the limiting hole, inclined plates are fixed at both ends of the outer U-shaped frame, inclined edge blocks are respectively and slidably arranged on the inclined plates, lifting rods are respectively fixed at one sides of the inclined edge blocks, lifting holes are arranged on the upper side and the lower side of the inner U-shaped frame, lifting rods slide on the inner sides of the lifting holes, the other ends of the lifting rods are respectively fixed with a lifting plate, the lifting plates are respectively positioned at the inner sides of the inner U-shaped frames, c tension springs are fixed between the lifting plate and the inner U-shaped frame, and a rotary driving assembly is arranged between the lifting plate and the inner U-shaped frame.
Preferably, the rotary driving assembly comprises a motor, the motor is required to be externally connected with a power supply and a switch through wires, the motor is fixed on a lifting plate, one side, far away from a lifting rod, of the lifting plate is provided with two contact wheels, the inner sides of the contact wheels are respectively fixedly provided with a rotating shaft, the periphery of the rotating shaft is respectively rotationally connected with a U-shaped seat, the U-shaped seats are respectively fixed on the lifting plate, and the shaft ends of the motor are connected with the periphery of one rotating shaft through a belt and a belt wheel in a transmission manner.
Preferably, the positioning frame is provided with a plurality of thread locking holes, locking bolts are connected to the inner sides of the thread locking holes through threads, and one ends of the locking bolts can be contacted with the guide rail.
The precise cutting device for pin shaft production and processing has the beneficial effects that:
(1) Through the arrangement of the main body supporting part, the centering clamping assembly, the synchronous reverse driving assembly, the cutting knife assembly, the plurality of driving rotating assemblies and the rotating driving assembly, the automatic turning machine has the functions of continuous machining and high-efficiency turning, can carry out turning on the whole pin shaft at a time, does not need to clamp and detach the pin shaft twice, and has higher machining efficiency.
(2) The pin shaft automatic centering device has the advantages that the main body supporting part, the centering clamping assembly and the synchronous reverse driving assembly are arranged, so that the pin shaft automatic centering device has the functions of automatic centering and automatic clamping, the circle center of the pin shaft can be automatically determined in the clamping process, the clamping efficiency is high, the pin shaft automatic centering device is applicable to pin shafts with different diameters in a certain range, and the pin shaft automatic centering device is convenient to use.
(3) The main body supporting part is matched with the driving rotating assembly, so that the feeding mechanism is convenient to feed, is applicable to pins with different diameters in a certain range, and has certain universality.
(4) Through the arrangement of the main body supporting part, the cutting knife assembly and the rotary driving assembly, the automatic turning machine has the functions of automatic turning, accurate machining and automatic avoidance, the pin shaft can be turned during the rotation period of the pin shaft, and the rotary assembly is driven to automatically avoid the cutting knife assembly, so that the turning of the pin shaft is not influenced, and the automatic turning machine is convenient to use.
Drawings
Fig. 1 is a schematic diagram of a front perspective structure of a precision cutting device for pin shaft production and processing;
fig. 2 is a schematic diagram of a back perspective structure of a precision cutting device for pin shaft production and processing according to the present invention;
fig. 3 is a schematic view of a front cut-away perspective structure of a precision cutting device for pin shaft production and processing according to the present invention;
FIG. 4 is a schematic view of the enlarged partial structure of the area A in FIG. 3 according to the present invention;
fig. 5 is a schematic diagram of a side-cut perspective structure of a precision cutting device for pin shaft production and processing according to the present invention;
FIG. 6 is a schematic view of a partial enlarged structure of the area B in FIG. 5 according to the present invention;
fig. 7 is a schematic diagram of a side sectional axis measurement structure of a precision cutting device for pin production and processing according to the present invention;
FIG. 8 is a schematic view of the enlarged partial structure of the region C in FIG. 7 according to the present invention;
fig. 9 is a schematic view of a partially cut-away side perspective structure of a precision cutting device for pin shaft production and processing according to the present invention;
fig. 10 is a schematic view of a partially cut-away perspective structure of a top surface of a precision cutting device for pin shaft production and processing according to the present invention;
fig. 11 is a schematic side partial perspective view of a precision cutting device for pin shaft production and processing according to the present invention;
fig. 12 is a schematic diagram of a side partial isometric view of a precision cutting device for pin shaft production and processing according to the present invention.
In the figure: 1. a bottom plate; 2. a cushion block; 3. a portal frame; 4. a guide rail; 5. an opening frame; 6. a limiting frame; 7. a mounting base; 8. a, a hydraulic cylinder; 9. a synchronous frame; 10. an H-shaped sliding block; 11. a thimble; 12. a conical head cover; 13. a driving block; 14. a hydraulic cylinder B; 15. a fixing ring; 16. a limiting ring; 17. a, a spring; 18. a hydraulic motor; 19. a mounting frame; 20. a, a rack; 21. a gear; 22. a stabilizing rack; 23. a carriage; 24. a step motor; 25. a gear B; 26. a rack B; 27. a tool holder; 28. a threaded rod; 29. a step motor B; 30. a tool apron; 31. turning tools; 32. an air-cooled tube; 33. a connecting block; 34. a connecting frame; 35. driving the plate; 36. a driving groove A; 37. a driving groove B; 38. cleaning brushes; 39. a positioning frame; 40. an outer U-shaped frame; 41. an L-shaped guide frame; 42. an inner U-shaped frame; 43. a T-shaped frame; 44. a tension spring; 45. a double fork; 46. a fixing piece; 47. a tension spring B; 48. a driving column A; 49. a B driving column; 50. a limiting hole; 51. a sloping plate; 52. a beveled edge block; 53. a lifting rod; 54. a lifting plate; 55. a motor; 56. a tension spring C; 57. a contact wheel; 58. a rotation shaft; 59. a U-shaped seat; 60. a locking bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-12, a precision cutting device for pin shaft production and processing comprises a main body supporting part, wherein a centering clamping component, a cutting knife component and a plurality of driving rotating components are arranged on the main body supporting part, the number of the driving rotating components is not less than two, at least one driving rotating component is always contacted with a pin shaft during turning processing of the pin shaft, the main body supporting part comprises a bottom plate 1, a plurality of cushion blocks 2 are fixed on the lower side of the bottom plate 1, a portal frame 3 and a guide rail 4 are fixed on the upper side of the bottom plate 1, an opening frame 5 is arranged on one side of the portal frame 3, limiting frames 6 are fixed on two sides of the portal frame 3 which are far away, the opening frames 5 slide on the inner sides of the limiting frames 6, mounting seats 7 are fixed on two sides of the portal frame 3 which are far away, mounting holes are arranged on one side of the mounting seats 7, the installation hole is internally provided with an A hydraulic cylinder 8, the A hydraulic cylinder 8 is externally connected with an electromagnetic valve through an oil pipe, the shaft ends of the A hydraulic cylinder 8 are fixed on an opening frame 5, and the opening frame 5 and the A hydraulic cylinder 8 are adopted, so that the automatic lifting device has a function of facilitating material replacement, when one pin shaft is machined and the next pin shaft needs to be replaced, the A hydraulic cylinder 8 can be controlled to stretch out, the A hydraulic cylinder 8 can drive the opening frame 5 to automatically move, when the opening frame 5 moves, the L-shaped guide frame 41 can be driven to move together, when the opening frame 5 and the L-shaped guide frame 41 together do the movement of automatically keeping away from the inner U-shaped frame 42, the outer U-shaped frame 40 can keep away from the inner U-shaped frame 42, and then the upper lifting plate 54 and the lower lifting plate 54 can automatically keep away due to the tensile force of the C tension spring 56, so that the pin shaft can be conveniently placed between the contact wheels 57, and the automatic lifting device is convenient to use;
the centering clamping assembly is used for determining the circle center of a pin shaft and clamping and fixing the pin shaft, the centering clamping assembly comprises two synchronous frames 9, the lower sides of the synchronous frames 9 are respectively fixed with an H-shaped sliding block 10, the upper side of a bottom plate 1 is provided with a sliding hole, the H-shaped sliding blocks 10 respectively slide on the inner sides of the sliding holes, a synchronous reverse driving assembly is arranged between the H-shaped sliding blocks 10 and the bottom plate 1 and comprises a hydraulic motor 18, the lower side of the bottom plate 1 is fixedly provided with a mounting frame 19, the hydraulic motor 18 is fixedly arranged on the mounting frame 19, the hydraulic motor 18 is externally connected with an oil pump through an oil pipe, the lower sides of the two H-shaped sliding blocks 10 respectively are fixedly provided with an A rack 20, an A gear 21 is arranged between the two A racks 20 and is respectively connected with the A racks 20 through meshing transmission, the A gear 21 is fixedly arranged at the shaft end of the hydraulic motor 18, one side of the A rack 20 respectively slides with a stabilizing frame 22, the stabilizing frame 22 respectively is fixedly arranged on the lower side of the bottom plate 1, in other embodiments, the thimble 11 can adopt a flat-head structure, the tapered head sleeve 12 is arranged on the periphery of the thimble 11 in a sliding and rotating manner, a notch is arranged on the tapered head sleeve 12, the driving block 13 is fixed on the periphery of the tapered head sleeve 12, the synchronous frame 9 is provided with a through hole, the inner side of the through hole is provided with a B hydraulic cylinder 14 in a sliding manner, the B hydraulic cylinder 14 is required to be externally connected with an electromagnetic valve through an oil pipe, the shaft end of the B hydraulic cylinder 14 is fixed on the driving block 13, a fixed ring 15 and a limiting ring 16 are fixed on the periphery of the B hydraulic cylinder 14, the synchronous frame 9 is positioned between the fixed ring 15 and the limiting ring 16, the fixed ring 15 is positioned between the driving block 13 and the synchronous frame 9, an A spring 17 is fixed between the fixed ring 15 and the synchronous frame 9, and the B hydraulic cylinder 14 can be controlled to stretch out firstly when the pin shaft is required to be clamped, then the hydraulic motor 18 is controlled to rotate, the hydraulic motor 18 drives the A gear 21 to rotate, the A gear 21 drives the two A racks 20 to move together when rotating, the A racks 20 drives the synchronous frames 9 to move together, the moving directions of the two synchronous frames 9 are opposite, so that the distance between the two synchronous frames 9 can be increased by controlling the hydraulic motor 18, when the distance between the two synchronous frames 9 is enough, the hydraulic motor 18 can be controlled to stop, then the pin shaft is placed between the two conical head sleeves 12, then the two synchronous frames 9 are controlled to rotate towards the other direction by controlling the hydraulic motor 18, so that the two synchronous frames 9 are mutually close, automatic centering can be completed when the pin shaft is contacted with the conical head sleeves 12, the hydraulic motor 18 continues to rotate, the A springs 17 are compressed, the pin shaft is clamped by the conical head sleeves 12, meanwhile, the pin shaft 11 is gradually close to and clamps the pin shaft, after the pin shaft is clamped by the pin shaft 11, the B hydraulic cylinder 14 is controlled to retract, the conical head sleeves 12 are far away from the pin shaft, and automatic centering and automatic clamping can be realized, after the pin shaft 11 is clamped, the pin shaft is required to be kept in a hydraulic state;
the driving rotating component can adjust the position of the driving rotating component on the main body supporting part, the driving rotating component is used for driving the pin shaft to rotate, when the cutting blade component approaches to the driving rotating component, the cutting blade component can drive the driving rotating component to automatically avoid the cutting blade component, when the cutting blade component is far away from the driving rotating component, the driving rotating component can automatically reset, the driving rotating component can not influence the cutting blade component to carry out turning, the driving rotating component comprises a positioning frame 39, in the device, a spacing rod is arranged between every two positioning frames 39, the spacing rod is fixed on one positioning frame 39, the spacing rod is adopted, the driving plate 35 can be prevented from touching two A driving columns 48 or B driving columns 49 at the same time, the positioning frame 39 is connected on the inner side of the guide rail 4 in a sliding way, a plurality of thread locking holes are arranged on the positioning frame 39, the inner sides of the thread locking holes are all connected with locking bolts 60 through threads, one end of the locking bolt 60 can be contacted with the guide rail 4, one side of the positioning frame 39 is provided with an outer U-shaped frame 40, one side of the outer U-shaped frame 40 is fixedly provided with two L-shaped guide frames 41, one side of the positioning frame 39 is provided with two guide holes, the L-shaped guide frames 41 are slidably connected inside the guide holes, the L-shaped guide frames 41 can be contacted with the opening frame 5, the inner side of the outer U-shaped frame 40 is provided with an inner U-shaped frame 42, one side of the inner U-shaped frame 42 is fixedly provided with two T-shaped frames 43, one side of the outer U-shaped frame 40 is provided with two connecting holes, the T-shaped frame 43 is slidably connected inside the connecting holes, a plurality of A tension springs 44 are fixedly arranged between the inner U-shaped frame 42 and the outer U-shaped frame 40, the upper side of the inner U-shaped frame 42 is fixedly provided with double-shaped frames 45, the upper sides of the double-shaped frames 45 and the lower sides of the tops of the positioning frame 39 are fixedly provided with fixing sheets 46, B tension springs 47 are fixedly arranged between the two fixing sheets 46, the double-shaped frames 45 are in an inverted U-shaped structure, an A driving column 48 is fixed on the upper side of the double fork frame 45, a B driving column 49 is fixed on the upper side of the outer U-shaped frame 40, the A driving column 48 can slide on the inner side of the A driving groove 36, the B driving column 49 can slide on the inner side of the B driving groove 37, a limiting hole 50 is arranged on the upper side of the positioning frame 39, the A driving column 48 and the B driving column 49 slide on the inner side of the limiting hole 50, inclined plates 51 are fixed on two ends of the outer U-shaped frame 40, inclined plates 52 slide on the inclined plates 51, lifting rods 53 are fixed on one side of the inclined plates 52, lifting holes are arranged on the upper side and the lower side of the inner U-shaped frame 42, lifting rods 53 slide on the inner side of the lifting holes, lifting plates 54 are fixed on the other ends of the lifting rods 53, the lifting plates 54 are positioned on the inner side of the inner U-shaped frame 42, a C tension spring 56 is fixed between the lifting plates 54 and the inner U-shaped frame 42, a rotary driving assembly is arranged between the two lifting plates 54, the rotary driving assembly comprises a motor 55, the motor 55 is externally connected with a power supply and a switch through wires, the motor 55 is fixed on the lifting plate 54, two contact wheels 57 are arranged on one side of the lifting plate 54 far away from the lifting rod 53, rotating shafts 58 are fixed on the inner sides of the contact wheels 57, U-shaped seats 59 are rotatably connected to the peripheries of the rotating shafts 58, the U-shaped seats 59 are fixed on the lifting plate 54, the four rotating shafts 58 are distributed at four rectangular angles, the shaft ends of the motor 55 are in transmission connection with the periphery of one rotating shaft 58 through belts and pulleys, after the pin shafts are clamped between the ejector pins 11, the A hydraulic cylinders 8 can be controlled to retract, at the moment, the outer U-shaped frames 40 automatically approach the inner U-shaped frames 42 due to the tensile force of the A tension springs 44, at the moment, the inclined plates 51 squeeze the inclined side blocks 52, the lifting plate 54 automatically approach each other, the four contact wheels 57 gradually approach and clamp the pin shafts, under the condition that no other external force is intervening, the position of the inner U-shaped frame 42 is not changed due to the tensile force of the B tension spring 47, so that the pin shafts are clamped at the center positions of the four contact wheels 57, when the pin shafts are clamped by the four contact wheels 57, the motor 55 can be controlled to be started, the motor 55 can drive a rotating shaft 58 and the contact wheels 57 to rotate when rotating, and the pin shafts can be driven to rotate when the contact wheels 57 rotate, so that the rotating function can be realized, the device is applicable to pin shafts with various diameters, and is convenient to use;
the cutting knife component is used for precisely turning a pin shaft when the pin shaft rotates, the cutting knife component moves to one direction once to carry out turning on the excircle part of the pin shaft when the pin shaft rotates, and the cutting knife component comprises a sliding frame 23, wherein the sliding frame 23 slides on the upper side of a bottom plate 1, an A stepping motor 24 is fixed on the upper side of the bottom of the sliding frame 23, a B gear 25 is fixed on the shaft end of the A stepping motor 24, a B rack 26 is fixed on the upper side of the bottom plate 1, the B gear 25 is connected with the B rack 26 through meshing transmission, an adjusting hole is formed in the sliding frame 23, a knife rest 27 is arranged on the inner side of the adjusting hole, a threaded hole is formed in one side of the knife rest 27, a threaded rod 28 is connected with the inner side of the threaded hole, one end of the threaded rod 28 is fixed with a B stepping motor 29, the A stepping motor 24 and the B stepping motor 29 are all required to be externally connected with a drive controller and a power supply through wires, a knife rest 30 is fixed on the knife rest 27, a turning tool 31 is detachably arranged on the inner side of the knife rest 30, a through hole is formed in the sliding frame 23, a pipe 32 is connected with a driving groove 34, a driving block 34 is required to be rotatably driven by a driving block 35 is required to be rotatably connected with one side of the driving block 35, and a driving block 35 is required to be rotatably driven by a driving block 35, and a driving block is required to be rotatably driven by a driving block 35, and a driving block is required to be rotatably 35, when a driving block is required to be rotatably driven by a driving block is required to be driven by a driving block 35 and a side 35, when the turning tool 31 moves, the turning tool can be turned, when the step motor A24 rotates, the sliding frame 23 can automatically slide on the bottom plate 1 through the gear B25 and the rack B26, the sliding frame 23 can drive the tool rest 27 and the driving plate 35 to move together when moving, the step motor B29 can drive the threaded rod 28 to rotate together when rotating, the tool rest 27 can automatically move when the threaded rod 28 rotates, thereby the turning tool 31 can automatically approach or automatically depart from the pin shaft, when turning the pin shaft, the cleaning brush 38 can automatically clean scraps on the pin shaft, and can also supply air for the air cooling pipe 32 to cool the turning tool 31 in an air cooling manner, and when the turning tool is performed, the sliding frame 23 and the driving plate 35 can move, when the driving plate 35 approaches the driving plate A48 and the driving plate B49, and when the driving plate A48 slides from the inner side of the driving groove A36 and the driving plate 49 slides on the inner side of the driving groove B37, the following conditions can occur: firstly, the outer U-shaped frame 40 moves away from the pin shaft, the inner U-shaped frame 42 does not move, the lifting plate 54 moves automatically, then the outer U-shaped frame 40 and the inner U-shaped frame 42 move away from the pin shaft together, then the positions of the outer U-shaped frame 40 and the inner U-shaped frame 42 are kept for a certain time, during the period, the turning tool 31 continues turning the pin shaft, then the outer U-shaped frame 40 and the inner U-shaped frame 42 move close to the pin shaft together, when the outer U-shaped frame 40 and the inner U-shaped frame 42 stop moving, the lifting plate 54 is positioned on the upper side and the lower side of the pin shaft, the lifting plate 54 only translates in the period, the lifting plate does not move up and down, finally the outer U-shaped frame 40 automatically approaches the inner U-shaped frame 42 because of the A tension spring 44, and the contact wheel 57 contacts and clamps the pin shaft, so that automatic avoidance can be realized, turning of the pin shaft can be avoided, the whole pin shaft can be machined once, and the whole pin shaft can be machined, and the automatic avoidance can be realized, and the use is convenient.
The working principle and the using method of the invention are as follows: firstly, the hydraulic cylinder A8 and the hydraulic cylinder B14 are controlled to stretch out, then the pin shaft is placed between the two conical head sleeves 12, then the hydraulic motor 18 is controlled to rotate, so that the thimble 11 is close to the pin shaft at the same time, after the pin shaft is clamped by the thimble 11, the hydraulic cylinder B14 is controlled to retract, then the hydraulic cylinder A8 is controlled to retract, then the motor 55 is started, so that the pin shaft rotates, then the turning processing is carried out on the pin shaft through the cutting knife assembly, after the processing is finished, the hydraulic cylinder A8 and the hydraulic cylinder B14 are controlled to stretch out, then the hydraulic motor 18 is controlled to rotate, so that the thimble 11 is far away from the pin shaft at the same time, the detached pin shaft is received at the moment, and the operation is repeated, so that the continuous processing can be carried out.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific circumstances.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a precision cutting device for production and processing of round pin axle, its characterized in that includes main part supporting part, be equipped with centering clamping subassembly, cutting knife tackle spare and a plurality of drive rotating assembly on the main part supporting part, the quantity that drives rotating assembly is not less than two all the time, can be less than during the turning to the round pin axle drive rotating assembly and round pin axle contact, it can adjust its position on the main part supporting part to drive rotating assembly, centering clamping subassembly is used for confirming the centre of a circle of round pin axle and presss from both sides the fixed round pin axle, it is used for driving the round pin axle and rotates to drive rotating assembly, cutting knife tackle spare is used for carrying out accurate turning to the round pin axle when round pin axle is rotatory, when cutting knife tackle spare is close to and drives rotating assembly, cutting knife tackle spare can drive rotating assembly and avoid the cutting knife tackle spare automatically, it can carry out the turning to drive rotating assembly, when round pin axle is rotatory, the cutting knife tackle spare moves to a direction once can carry out the turning to the excircle part of round pin axle, main part includes bottom plate (1), bottom plate (1) bottom plate (2), bottom plate (3) are equipped with in fixed on (6) side (6) and are kept away from each other on (5) portal frame (5) side (6) side (1), the utility model provides a hydraulic cylinder, including portal frame (3), both sides that portal frame (3) kept away from mutually all are fixed with mount pad (7), mount pad (7) one side all is equipped with the mounting hole, the mounting hole inboard all is fixed with A pneumatic cylinder (8), all need be through external solenoid valve of oil pipe for A pneumatic cylinder (8), the axle head of A pneumatic cylinder (8) all is fixed on opening frame (5), centering clamping subassembly includes two synchro-frames (9), the downside of synchro-frames (9) all is fixed with H type slider (10), the upside of bottom plate (1) is equipped with the sliding hole, H type slider (10) all slides in the sliding hole inboard, all rotate on one side that is close to each other between H type slider (10) and bottom plate (1) and be equipped with thimble (11), slide on the periphery of thimble (11), rotate and be equipped with conical head cover (12) all be equipped with the breach, be fixed with on the periphery of conical head cover (12) and drive piece (13), on the periphery of synchronous frame (9) all is equipped with on the periphery of a perforation piece (14), all be equipped with the hydraulic cylinder (14) and be equipped with the hydraulic cylinder (14) outside through the outside the fixed cylinder (14), all is equipped with the hydraulic cylinder (14) and is fixed on the outside and is equipped with the outside and is connected with the hydraulic cylinder (14 Spacing ring (16), synchronizer (9) are located between fixed ring (15) and spacing ring (16), fixed ring (15) are located between drive piece (13) and synchronizer (9), be fixed with A spring (17) between fixed ring (15) and synchronizer (9), the cutting sword subassembly includes carriage (23), carriage (23) slide in the upside of bottom plate (1), the bottom upside of carriage (23) is fixed with A step motor (24), the axle head of A step motor (24) is fixed with B gear (25), the upside of bottom plate (1) is fixed with B rack (26), B gear (25) are connected through the meshing transmission with B rack (26), be equipped with the regulation hole on carriage (23), the inboard slip of knife rest (27) is equipped with screw hole, screw hole (28) are passed through in screw connection to carriage (28) one side, threaded rod (28) one end is fixed with B step motor (29), A step motor (24), B step motor (29) and B step motor (29) are all connected with through the meshing transmission on step motor (29) and the fixed on fixed power supply (30), the utility model discloses a tool apron, including blade holder (30), the inboard has dismantled lathe tool (31), the upside of carriage (23) is fixed with link (34), the top downside slip of portal frame (3) is equipped with drive plate (35), drive plate (35) are fixed on link (34), the downside of drive plate (35) is equipped with A drive slot (36), B drive slot (37), drive rotating assembly includes positioning frame (39), in this device, all is equipped with the spacer rod between every two positioning frames (39), and the spacer rod is fixed on one positioning frame (39), positioning frame (39) sliding connection is in the inboard of guided way (4), positioning frame (39) one side is equipped with outer U type frame (40), outer U type frame (40) one side is fixed with two L type guide frame (41), positioning frame (39) one side is equipped with two guiding holes, L type guide frame (41) sliding connection is inboard in the guiding hole, L type guide frame (41) can be equipped with two opening U type frame (40) one side, two U type frame (42) are equipped with in the inboard (43), a plurality of A tension springs (44) are fixed between the inner U-shaped frame (42) and the outer U-shaped frame (40), a double-fork frame (45) is fixed on the upper side of the inner U-shaped frame (42), fixing plates (46) are fixed on the upper side of the double-fork frame (45) and the lower side of the top of a position adjusting frame (39), B tension springs (47) are fixed between the two fixing plates (46), the double-fork frame (45) is of an inverted U-shaped structure, A driving columns (48) are fixed on the upper side of the double-fork frame (45), B driving columns (49) are fixed on the upper side of the outer U-shaped frame (40), the A driving columns (48) can slide on the inner side of an A driving groove (36), the B driving columns (49) can slide on the inner side of the B driving groove (37), limiting holes (50) are formed in the upper side of the position adjusting frame (39), the A driving columns (48) and the B driving columns (49) slide on the inner side of the limiting holes (50), lifting rods (52) are arranged on the two sides of the outer U-shaped frame (40), lifting rods (53) are fixed on the two sides of the lifting rods (53), lifting plate (54) all are located the inboard of interior U type frame (42), all be fixed with C extension spring (56) between lifting plate (54) and the interior U type frame (42), two be equipped with rotation driving assembly between lifting plate (54).
2. The precision cutting device for pin shaft production and processing according to claim 1, wherein the synchronous reverse driving assembly comprises a hydraulic motor (18), a mounting frame (19) is fixed on the lower side of the bottom plate (1), the hydraulic motor (18) is fixed on the mounting frame (19), the hydraulic motor (18) is required to be externally connected with an oil pump through an oil pipe, an A rack (20) is fixed on the lower side of each H-shaped sliding block (10), an A gear (21) is arranged between each two A racks (20), each A gear (21) is connected with each A rack (20) through meshing transmission, each A gear (21) is fixed on the shaft end of the hydraulic motor (18), a stabilizing frame (22) is sliding on one side of each A rack (20), and each stabilizing frame (22) is fixed on the lower side of the bottom plate (1).
3. The precision cutting device for pin shaft production and processing according to claim 1, wherein a through hole is formed in the sliding frame (23), an air cooling pipe (32) is arranged on the inner side of the through hole in a sliding mode, a connecting block (33) is fixed between the air cooling pipe (32) and the tool apron (30), a supporting block is fixed on one side of the tool rest (27), and a cleaning brush (38) is fixed on one side of the supporting block.
4. The precision cutting device for pin shaft production and processing according to claim 1, wherein the rotary driving assembly comprises a motor (55), the motor (55) is externally connected with a power supply and a switch through wires, the motor (55) is fixed on a lifting plate (54), two contact wheels (57) are arranged on one side, far away from a lifting rod (53), of the lifting plate (54), rotating shafts (58) are fixed on the inner sides of the contact wheels (57), U-shaped seats (59) are rotatably connected to the outer peripheries of the rotating shafts (58), the U-shaped seats (59) are fixed on the lifting plate (54), the four rotating shafts (58) are distributed in rectangular four-angle positions, and the shaft ends of the motor (55) are in transmission connection with the outer periphery of one rotating shaft (58) through belts and pulleys.
5. The precision cutting device for pin shaft production and processing according to claim 1, wherein the positioning frame (39) is provided with a plurality of threaded locking holes, locking bolts (60) are connected to the inner sides of the threaded locking holes through threads, and one end of each locking bolt (60) can be in contact with the guide rail (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310889328.2A CN116618694B (en) | 2023-07-20 | 2023-07-20 | Precise cutting device for pin shaft production and processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310889328.2A CN116618694B (en) | 2023-07-20 | 2023-07-20 | Precise cutting device for pin shaft production and processing |
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| CN116618694B true CN116618694B (en) | 2023-09-22 |
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| CN117564754B (en) * | 2024-01-16 | 2024-03-29 | 福州长鑫电动工具有限公司 | Automatic processing device for production of rear servo rod of gearbox |
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| CN101869993A (en) * | 2010-06-22 | 2010-10-27 | 田孝福 | Three-station combined machining tool for valve body of valve |
| CN105127450A (en) * | 2015-08-26 | 2015-12-09 | 长治市永华机械有限公司 | High-speed cutting machining device |
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| CN219233964U (en) * | 2022-10-26 | 2023-06-23 | 吉林大学 | Three-degree-of-freedom large-stroke fast cutter servo device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWD190745S (en) * | 2017-04-03 | 2018-06-01 | 瑞典商史坎尼亞Ｃｖ公司 | Front step heavy duty |
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|---|---|---|---|---|
| CN101869993A (en) * | 2010-06-22 | 2010-10-27 | 田孝福 | Three-station combined machining tool for valve body of valve |
| CN105127450A (en) * | 2015-08-26 | 2015-12-09 | 长治市永华机械有限公司 | High-speed cutting machining device |
| CN105215381A (en) * | 2015-10-16 | 2016-01-06 | 鹤山市德马机械有限公司 | A kind of numerically controlled lathe automatic feeder |
| CN208083473U (en) * | 2018-03-19 | 2018-11-13 | 深圳市欣久鼎自动化科技有限公司 | A kind of electrothermal tube pipe end gradient feed lathe tool cutting apparatus |
| CN219233964U (en) * | 2022-10-26 | 2023-06-23 | 吉林大学 | Three-degree-of-freedom large-stroke fast cutter servo device |
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