CN107127595A - A kind of centering and clamping apparatus of convoluted workpiece - Google Patents

A kind of centering and clamping apparatus of convoluted workpiece Download PDF

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Publication number
CN107127595A
CN107127595A CN201710336958.1A CN201710336958A CN107127595A CN 107127595 A CN107127595 A CN 107127595A CN 201710336958 A CN201710336958 A CN 201710336958A CN 107127595 A CN107127595 A CN 107127595A
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CN
China
Prior art keywords
centering
driving lever
connecting rod
round platform
cam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN201710336958.1A
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Chinese (zh)
Inventor
赵凯
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Individual
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Individual
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Priority to CN201710336958.1A priority Critical patent/CN107127595A/en
Publication of CN107127595A publication Critical patent/CN107127595A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q7/00Arrangements 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
    • B23Q7/006Ejectors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The present invention provides a kind of centering and clamping apparatus of convoluted workpiece, belongs to machining technology field.It includes traveller, driving lever, centering grip slide, connecting rod can be slided up and down and is arranged on link supporting, traveller can be slided up and down and is arranged on splicing sleeve, the side of traveller has been uniformly arranged three wedge grooves, connecting rod roller is rotatably provided in the lower end of connecting rod, three driving levers are uniformly arranged on supporting round platform, driving lever is by driving lever hinge on supporting round platform, the upper end of driving lever is provided with shift fork, driving lever roller is rotatably provided in the lower end of driving lever, centering grip slide, which can be slided radially, to be distributed on centering clamping round platform, the shift fork of the upper end of driving lever is caught in the lower end of centering grip slide, centering briquetting is provided with the inside of centering grip slide, blanking push rod is arranged on the upper end of traveller.The present invention not only quickly realizes the centering and clamping to convoluted workpiece, and convoluted workpiece jack-up can be realized into blanking while workpiece is unclamped.

Description

A kind of centering and clamping apparatus of convoluted workpiece
Technical field
The present invention relates to machining technology field, more particularly to a kind of centering and clamping apparatus of convoluted workpiece.
Background technology
Machining refers to the process of be changed the appearance and size or performance of workpiece by a kind of plant equipment.By adding Difference in work mode can be divided into machining and pressure processing.In process of production, every shape for changing production object, chi Very little, position and property etc., become the process referred to as technical process of finished product or semi-finished product, and it is the main portion of production process Point.Technical process can be divided into the technical process such as casting, forging, punching press, welding, machining, assembling, manufacturing technology mistake again Journey generally refers to the summation of the machining work process of part and the assembling technology procedure of machine, and other processes are then referred to as aiding in Process, such as transport, keeping, power supply, maintenance of equipment.Technical process is by one or several tactic works again Sequence composition, a process several work steps by being made up of.It is often required to use fixture in machining, fixture is machine-building During be used for fix processing object, be allowed to occupy correct position, with the device for receiving to construct or detecting.In a broad sense, Any process in technical process, for rapid, easily and safely installation workpiece device, all can be described as fixture.For example weld Welding fixture, inspection jig, assembling jig, jig etc., wherein jig is most commonly seen, is often simply called fixture.In lathe During upper processing workpiece, size as defined in drawing, geometry and mutual with other surfaces are reached for the surface that enables workpiece The technical requirements such as positional precision, workpiece must be installed, clip before processing.Fixture is generally by setting element, clamping device, to knife Induction element, indexing means, connecting element and clamp body etc. are constituted.Fixture species can be divided into by handling characteristics:1. it is omnipotent logical With fixture, such as machine vice, chuck, sucker, dividing head and rotary table, there is very big versatility, can preferably adapt to The conversion of manufacturing procedure and processing object, its structure has been shaped, the seriation of size, specification, wherein most of turn into lathe A kind of standard accessory.2. specificity fixture, is that clamping of certain product parts on certain procedure needs and specially design system Make, service object is single-minded, specific aim is very strong, typically by product manufacturing factory designed, designed, conventional has turning attachment, milling machine folder Tool, drill jig, boring template and pallet.3. flexible jig, can change or adjustment element special fixture.4. built-up jig, by The fixture of the standardized component composition of different shape, specification and purposes, it is adaptable to the list that trial production of new products and product are often changed Part, small serial production and temporary duty.Convoluted workpiece is because structure is more special, and it feels relieved and clamped all more difficult, mesh Preceding common fixture is unsuitable for the centering and clamping of convoluted workpiece.
The content of the invention
It is an object of the invention to provide a kind of centering and clamping apparatus of convoluted workpiece, not only quickly realize to convoluted work The centering and clamping of part, rational in infrastructure, good reliability, and convoluted workpiece jack-up can be realized while workpiece is unclamped Blanking.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of centering and clamping apparatus of convoluted workpiece, it includes support plinth, frame, splicing sleeve, connecting rod, traveller, connecting rod branch Hold, compression spring, trip bolt, connecting rod roller, cam, cam fulcrum, cam fulcrum bearing, the first belt wheel, the second belt wheel, driving Belt, motor, motor support base, supporting round platform, driving lever, driving lever bearing pin, driving lever roller, stop screw, centering clamp round platform, Centering grip slide, centering briquetting, blanking push rod, the frame are fixed on support plinth, and cam is provided with the frame Cavity, the splicing sleeve is arranged in frame, and realizes fastening by trip bolt, and the link supporting is fixed on splicing sleeve On, the connecting rod can be slided up and down and is arranged on link supporting, and spring-loaded boss, the compression bullet are provided with the connecting rod Spring and the concentric setting of connecting rod, the upper end of the compression spring and link supporting laminating, the lower end of the compression spring and connecting rod On the laminating of spring-loaded boss, the traveller is arranged on the upper end of connecting rod, and the traveller can slide up and down and be arranged on splicing sleeve On, the side of the traveller has been uniformly arranged three wedge grooves, and alternate 120 °, the connecting rod roller is rotatably provided under connecting rod End, the cam is rotatably provided in cam fulcrum bearing by cam branch eccentric shaft, and the cam fulcrum bearing is arranged on motor On bearing, the connecting rod roller and cam are bonded to each other, and second belt wheel is concentric to be arranged on cam fulcrum, and described first Belt wheel and motor are coaxially connected, and first belt wheel and the second belt wheel are connected by drive belt, the motor peace On motor support base, the motor support base is arranged on support plinth, and the supporting round platform is fixed on the upper end of splicing sleeve, three Individual driving lever be uniformly arranged supporting round platform on, alternate 120 °, the driving lever by driving lever hinge supporting round platform on, it is described The upper end of driving lever, which is provided with the inside of shift fork, the driving lever, is provided with protuberance, and the driving lever roller is rotatably provided in driving lever Lower end, stop screw is additionally provided with the supporting round platform, the stop screw is located at the outside of driving lever lower end, the centering The upper end that round platform is fixed on supporting round platform is clamped, the middle-end that the centering clamps round platform is provided with work piece groove, and centering is clamped Sliding block, which can be slided radially, to be distributed on centering clamping round platform, and alternate 120 °, the shift fork of the upper end of driving lever is caught in centering and clamps cunning Centering briquetting is provided with the inside of the lower end of block, the centering grip slide, the blanking push rod is arranged on the upper end of traveller, institute The centre for stating supporting round platform is provided with blanking push rod groove.
Further, the motor is servomotor.
Further, the driving lever roller is rubber roll.
Further, the trip bolt is hexagon socket cap head screw.
The present invention compared to the prior art, with advantages below and effect:In the presence of compression spring, force traveller to Three wedge grooves on lower movement, traveller drive driving lever clockwise oscillation by driving lever roller, and the shift fork of driving lever upper end drives centering Centering briquetting on the inside of grip slide slid inward, centering grip slide realizes the centering and clamping to convoluted workpiece.Need When unclamping workpiece, motor drives cam rotation by the first belt wheel, drive belt and the second belt wheel, and cam will pass through connecting rod Roller and connecting rod drive traveller upward sliding, and traveller drives driving lever counter-clockwise swing by the protuberance of driving lever, and shift fork drives fixed Heart grip slide slides in and out, and realizes the release to convoluted workpiece, meanwhile, blanking push rod is moved upwards, promotes convoluted work The blanking of part.Trip bolt is hexagon socket cap head screw, rational in infrastructure, realizes the Quick fastening to splicing sleeve, operability By force.Motor is servomotor, and speed is controllable, and positional precision is very accurate, good reliability.Driving lever roller is rubber roll, It is simple in construction, wear and tear small, service life is long.The present invention not only quickly realizes the centering and clamping to convoluted workpiece, and structure is closed Reason, good reliability, and convoluted workpiece jack-up can be realized blanking while workpiece is unclamped.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In figure:1. support plinth, 2. frames, 3. splicing sleeves, 4. connecting rods, 5. travellers, 6. link supportings, 7. compression springs, 8. trip bolt, 9. connecting rod rollers, 10. cams, 11. cam fulcrums, 12. cam fulcrum bearings, 13. first belt wheels, 14. second bands Wheel, 15. drive belts, 16. motors, 17. motor support bases, 18. supporting round platforms, 19. driving levers, 20. driving lever bearing pins, 21. groups Bar roller, 22. stop screws, 23. centering clamping round platforms, 24. centering grip slides, 25. centering briquettings, 26. blanking push rods, 27. cam cavity, 28. spring-loaded boss, 29. wedge grooves, 30. shift forks, 31. protuberances, 32. work piece grooves, 33. blanking tops Bar groove.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, following examples are to this hair Bright explanation and the invention is not limited in following examples.
As shown in figure 1, a kind of centering and clamping apparatus of convoluted workpiece, it include support plinth 1, frame 2, splicing sleeve 3, Connecting rod 4, traveller 5, link supporting 6, compression spring 7, trip bolt 8, connecting rod roller 9, cam 10, cam fulcrum 11, cam branch Bearing 12, the first belt wheel 13, the second belt wheel 14, drive belt 15, motor 16, motor support base 17, supporting round platform 18, driving lever 19th, driving lever bearing pin 20, driving lever roller 21, stop screw 22, centering clamp round platform 23, centering grip slide 24, centering briquetting 25, Blanking push rod 26, the frame 2 is fixed on support plinth 1, and cam cavity 27, the splicing sleeve 3 are provided with the frame 2 Fastening is realized in frame 2, and by trip bolt 8, the trip bolt 8 is hexagon socket cap head screw, and structure is closed Reason, realizes the Quick fastening to splicing sleeve 3, workable.The link supporting 6 is fixed on splicing sleeve 3, the connecting rod 4 It can slide up and down and be arranged on link supporting 6, spring-loaded boss 28, the compression spring 7 and company are provided with the connecting rod 4 Bar 4 is concentric to be set, and the upper end of the compression spring 7 and link supporting 6 are fitted, on the lower end and connecting rod 4 of the compression spring 7 Spring-loaded boss 28 fit, the traveller 5 be arranged on connecting rod 4 upper end, the traveller 5, which can be slided up and down, is arranged on supporting On set 3, the side of the traveller 5 has been uniformly arranged three wedge grooves 29, and alternate 120 °, the connecting rod roller 9 is rotatably provided in The lower end of connecting rod 4, the cam 10 is rotatably provided in cam fulcrum bearing 12 by the bias of cam fulcrum 11, the cam branch Bearing 12 is arranged on motor support base 17, and the connecting rod roller 9 and cam 10 are bonded to each other, and second belt wheel 14 is coaxially felt at ease On cam fulcrum 11, first belt wheel 13 and motor 16 are coaxially connected, the belt wheel of the first belt wheel 13 and second 14 are connected by drive belt 15, and the motor 16 is arranged on motor support base 17, and the motor support base 17 is arranged on branch Hold on base 1, the motor 16 is servomotor, speed is controllable, and positional precision is very accurate, good reliability.The branch The upper end that round platform 18 is fixed on splicing sleeve 3 is held, three driving levers 19 are uniformly arranged on supporting round platform 18, alternate 120 °, described group Bar 19 is hinged on supporting round platform 18 by driving lever bearing pin 20, and the upper end of the driving lever 19 is provided with shift fork 30, the driving lever 19 Inner side be provided with protuberance 31, the driving lever roller 21 is rotatably provided in the lower end of driving lever 19, and the driving lever roller 21 is Rubber roll, it is simple in construction, wear and tear small, service life is long.Stop screw 22, the limit are additionally provided with the supporting round platform 18 Position screw 22 is located at the outside of the lower end of driving lever 19, and the centering clamps the upper end that round platform 23 is fixed on supporting round platform 18, described fixed The middle-end that the heart clamps round platform 23 is provided with work piece groove 32, and centering grip slide 24, which can be slided radially, is distributed on centering clamping On round platform 23, alternate 120 °, the shift fork 30 of the upper end of driving lever 19 is caught in the lower end of centering grip slide 24, and the centering, which is clamped, to be slided The inner side of block 24 is provided with centering briquetting 25, and the blanking push rod 26 is arranged in the upper end of traveller 5, the supporting round platform 18 Between be provided with blanking push rod groove 33.
By above-mentioned technical proposal, a kind of centering and clamping apparatus of convoluted workpiece of the invention is in use, in compression spring 7 In the presence of, force traveller 5 to move down, three on traveller 5 wedge groove 29 drives driving lever 19 clockwise by driving lever roller 21 Swing, the shift fork 30 of the upper end of driving lever 19 drives the centering slid inward of grip slide 24, the centering pressure of the inner side of centering grip slide 24 Block 25 realizes the centering to convoluted workpiece and clamping.When needing to unclamp workpiece, motor 16 passes through the first belt wheel 13, driving The belt wheel 14 of belt 15 and second is rotated with moving cam 10, and cam 10 will drive traveller 5 to slide up by connecting rod roller 9 and connecting rod 4 Dynamic, traveller 5 drives the counter-clockwise swing of driving lever 19 by the protuberance 31 of driving lever 19, and shift fork 30 drives centering grip slide 24 outside Slide, realize the release to convoluted workpiece, meanwhile, blanking push rod 26 is moved upwards, promotes the blanking of convoluted workpiece.This hair Centering and clamping of the bright not only quick realization to convoluted workpiece, rational in infrastructure, good reliability, and while workpiece is unclamped Convoluted workpiece jack-up can be realized blanking.
Above content described in this specification is only illustration made for the present invention.Technology belonging to of the invention The technical staff in field can make various modifications or supplement to described specific embodiment or use similar mode Substitute, content without departing from description of the invention or surmount scope defined in the claims, this all should be belonged to The protection domain of invention.

Claims (4)

1. a kind of centering and clamping apparatus of convoluted workpiece, it is characterised in that:It includes support plinth, frame, splicing sleeve, company Bar, traveller, link supporting, compression spring, trip bolt, connecting rod roller, cam, cam fulcrum, cam fulcrum bearing, first band Wheel, the second belt wheel, drive belt, motor, motor support base, supporting round platform, driving lever, driving lever bearing pin, driving lever roller, spacing spiral shell Nail, centering clamp round platform, centering grip slide, centering briquetting, blanking push rod, and the frame is fixed on support plinth, described Cam cavity is provided with frame, the splicing sleeve is arranged in frame, and realizes fastening, the connecting rod branch by trip bolt Hold and be fixed on splicing sleeve, the connecting rod can be slided up and down and is arranged on link supporting, spring-loaded is provided with the connecting rod Boss, the compression spring and the concentric setting of connecting rod, the upper end of the compression spring and link supporting laminating, the compression bullet Spring-loaded boss laminating on the lower end and connecting rod of spring, the traveller is arranged on the upper end of connecting rod, and the traveller can go up downslide Dynamic to be arranged on splicing sleeve, the side of the traveller has been uniformly arranged three wedge grooves, and alternate 120 °, the connecting rod roller is rotatable The lower end of connecting rod is arranged on, the cam is rotatably provided in cam fulcrum bearing by cam branch eccentric shaft, the cam branch Bearing is arranged on motor support base, and the connecting rod roller and cam are bonded to each other, and second belt wheel is concentric to be arranged on cam On fulcrum, first belt wheel and motor are coaxially connected, and first belt wheel and the second belt wheel are connected by drive belt, The motor is arranged on motor support base, and the motor support base is arranged on support plinth, and the supporting round platform is fixed on The upper end of splicing sleeve, three driving levers are uniformly arranged on supporting round platform, and alternate 120 °, the driving lever is existed by driving lever hinge Support on round platform, the upper end of the driving lever, which is provided with the inside of shift fork, the driving lever, is provided with protuberance, and the driving lever roller can It is rotatably arranged on the lower end of driving lever, the supporting round platform and is additionally provided with stop screw, the stop screw is located at driving lever lower end Outside, the centering clamps the upper end that round platform is fixed on supporting round platform, and the middle-end that the centering clamps round platform is provided with workpiece Mounting groove, centering grip slide, which can be slided radially, to be distributed on centering clamping round platform, alternate 120 °, the shift fork of the upper end of driving lever It is caught on the inside of the lower end of centering grip slide, the centering grip slide and is provided with centering briquetting, the blanking push rod is installed In the upper end of traveller, the centre of the supporting round platform is provided with blanking push rod groove.
2. a kind of centering and clamping apparatus of convoluted workpiece according to claim 1, it is characterised in that:The motor For servomotor.
3. a kind of centering and clamping apparatus of convoluted workpiece according to claim 1, it is characterised in that:The driving lever roller For rubber roll.
4. a kind of centering and clamping apparatus of convoluted workpiece according to claim 1, it is characterised in that:The trip bolt For hexagon socket cap head screw.
CN201710336958.1A 2017-05-14 2017-05-14 A kind of centering and clamping apparatus of convoluted workpiece Withdrawn CN107127595A (en)

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CN201710336958.1A CN107127595A (en) 2017-05-14 2017-05-14 A kind of centering and clamping apparatus of convoluted workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710336958.1A CN107127595A (en) 2017-05-14 2017-05-14 A kind of centering and clamping apparatus of convoluted workpiece

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CN107127595A true CN107127595A (en) 2017-09-05

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108107056A (en) * 2018-02-01 2018-06-01 昆山湖大机器人技术有限公司 The vision detection system of electric screw driver bit
CN108145046A (en) * 2017-12-26 2018-06-12 骆小艳 For the method for household processing
CN108160875A (en) * 2017-12-26 2018-06-15 骆小艳 For the mold of household processing
CN108160876A (en) * 2017-12-26 2018-06-15 骆小艳 A kind of furniture processing wind spring mould
CN108188770A (en) * 2018-01-10 2018-06-22 宁波高新区新柯保汽车科技有限公司 Auto parts and components clamping device
TWI682830B (en) * 2019-05-10 2020-01-21 東佑達自動化科技股份有限公司 Claw structure
CN111805286A (en) * 2020-06-10 2020-10-23 宁波职业技术学院 Bar taking and delivering structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108145046A (en) * 2017-12-26 2018-06-12 骆小艳 For the method for household processing
CN108160875A (en) * 2017-12-26 2018-06-15 骆小艳 For the mold of household processing
CN108160876A (en) * 2017-12-26 2018-06-15 骆小艳 A kind of furniture processing wind spring mould
CN108188770A (en) * 2018-01-10 2018-06-22 宁波高新区新柯保汽车科技有限公司 Auto parts and components clamping device
CN108107056A (en) * 2018-02-01 2018-06-01 昆山湖大机器人技术有限公司 The vision detection system of electric screw driver bit
TWI682830B (en) * 2019-05-10 2020-01-21 東佑達自動化科技股份有限公司 Claw structure
CN111805286A (en) * 2020-06-10 2020-10-23 宁波职业技术学院 Bar taking and delivering structure

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Application publication date: 20170905