CN105729180A - Universal machine tool fixture for damping - Google Patents

Universal machine tool fixture for damping Download PDF

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Publication number
CN105729180A
CN105729180A CN201610195002.XA CN201610195002A CN105729180A CN 105729180 A CN105729180 A CN 105729180A CN 201610195002 A CN201610195002 A CN 201610195002A CN 105729180 A CN105729180 A CN 105729180A
Authority
CN
China
Prior art keywords
fixture
damping
universal machine
base
bed course
Prior art date
Application number
CN201610195002.XA
Other languages
Chinese (zh)
Inventor
马峻
孙建明
Original Assignee
苏州亚思科精密数控有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 苏州亚思科精密数控有限公司 filed Critical 苏州亚思科精密数控有限公司
Priority to CN201610195002.XA priority Critical patent/CN105729180A/en
Publication of CN105729180A publication Critical patent/CN105729180A/en

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Classifications

    • 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
    • B23Q3/061Work-clamping means adapted for holding a plurality of workpieces

Abstract

The invention relates to a universal machine tool fixture for damping. The universal machine tool fixture comprises a base, wherein a circular groove is formed in the base; a plurality of stripped track grooves are radially formed in the periphery of the circular groove and are uniformly distributed at the periphery of the circular groove; each stripped track groove is slidably connected with a clamping block; the side, facing to the circular groove, of the clamping block is sequentially connected with a cushion layer and a pressure sensor; a damping device is arranged in the cushion layer; the base is provided with a controller and an alarm; and the pressure sensor and the alarm are respectively connected with the controller. By using the universal machine tool fixture, the problems that the fixture is poor in damping effect and universality and a clamped object can be damaged by the fixture if the clamping force is overlarge are solved.

Description

Damping universal machine fixture

Technical field

The present invention relates to a kind of fixture, particularly relate to a kind of damping universal machine fixture.

Background technology

Jig is a kind of device on lathe in order to clamping workpiece (with guiding cutter).Its effect is to be positioned by workpiece, so that workpiece obtains the tram relative to lathe and cutter, and workpiece is reliably clamped.

Jig can be divided into following a few class by specialization classification:

1, universal fixturing.Universal fixturing refers to normalised, can be used for processing the fixture of different workpieces within the specific limits.Such as, scroll chuck and four-jaw chuck on lathe, flat-nose pliers on milling machine, dividing head and rotary table etc..This kind of fixture is generally produced by professional factory, is supplied to user frequently as machine tool accessories.Being characterized in wide adaptability, production efficiency is low, is primarily adapted for use in the production of single-piece, small lot.

2, special fixture.Special fixture refers to certain procedure and custom-designed fixture of aiming at a certain workpiece.Be characterized in compact conformation, operation rapidly, convenient, laborsaving, it is ensured that higher machining accuracy and production efficiency, but manufacture and design that the cycle is longer, manufacturing expense is also higher.When change of product, fixture will be scrapped owing to re-using.It is only applicable in the production that product is fixed and batch is bigger.

3, general flexible jig and modular fixture.Being characterized in that the subelement of fixture can be changed, partial devices can adjust, to adapt to the processing of different part.Fixture used by the processed in batches of similar part, is called modular fixture.General flexible jig is compared with modular fixture, and processing object is not bery clear and definite, and the scope of application is wider.

4, built-up jig.Built-up jig refers to by the processing request of part, the fixture that the standard component good by a set of prior manufacture and parts assemble.Being manufactured by specialized factory, be characterized in flexible and changeable, versatility is strong, and the manufacturing cycle is short, element energy Reusability, is particularly well-suited to trial-production and the jobbing work of new product.

5, pallet.Pallet is a kind of fixture used on transfer matic.This fixture should play the effect of clamping workpiece, is integrally forming with workpiece again and moves on to next station along transfer matic from a station, carries out the processing of different operation.

Owing to self work characteristics of all kinds of lathes and version are different, the structure of clamp is also correspondingly proposed different requirements.Pressing the lathe used different, fixture can be divided into again: turning attachment, fraise jig, drill jig, fixture for boring machine, fixture for grinding machine, gear machine fixture and other jigs etc..

Different according to the clamping power source that fixture adopts, can be divided into: manual, air-actuated jaw, hydraulically operated fixture, gas-liquid fixture, electric fixture, magnetic fixture, vacuum fixture etc..

Jig has the effect that

1, machining accuracy is ensured.Employing fixture is installed, it is possible to accurately determining the mutual alignment between workpiece and lathe, cutter, the positional precision of workpiece is ensured by fixture, and not by the impact of workman's technical merit, its machining accuracy is high and stable.

2, improve productivity ratio, reduce cost.Use fixture clamping workpiece, it is not necessary to centering just can make workpiece promptly position and clamp, and significantly reduces unproductive time;Improve the rigidity of workpiece with fixture clamping workpiece, therefore can strengthen cutting data;Can using more than one piece, multi-station clamp clamping workpiece, and adopt efficient clamp system, these factors are all conducive to raising labour productivity.It addition, after employing fixture, constant product quality, percent defective declines, it is possible to arrange the workman that industrial grade is relatively low, it will be apparent that reduce production cost.

3, the processing range of lathe is expanded.Use special fixture can change the purposes of former lathe and expand the use scope of lathe, it is achieved one-machine-multi-function.Such as, after boring template fixture being installed by lathe or radial drilling machine, it is possible to box body hole system is carried out boring processing;Lathe also can be changed into broaching machine by special fixture use, to give full play to the effect of universal machine tools.

4, the labor intensity of workman is alleviated.With fixture clamping workpiece easily and fast, when adopting the clamping devices such as pneumatic, hydraulic pressure, the labor intensity of workman can be alleviated.

Fixture on current lathe is varied, but no matter adopting how fixture standard is consistent forever, and positioning accuracy request is high, clamping is convenient, can fully demonstrate labor productivity, saves the labor operations intensity etc. of work personnel.

Chinese utility model patent description CN203792068U discloses a kind of jig of such a, including clamp body and angle bar, described angle bar is provided with the clamping screw for locking described clamp body, described clamping screw is cased with double nut, one end processing of described clamping screw has spheroid with holes, the other end of described clamping screw is cased with wear block, and described clamp body is provided with groove, and described wear block is resisted against in described groove.This utility model by arranging groove on clamp body, wear block it is set with in clamping screw front end, and it is provided with double nut, substantially increase the structural stability of fixture, work relatively reliable, also by the ball that metallic rod is penetrated spheroid, screw clamping screw, it is more laborsaving, convenient to operate, and decreases the workload of workman.But the vibrations that this fixture produces in workpiece process are relatively big, can only the workpiece of clamping shaped, and dynamics is crossed conference and is damaged clamped article.

Chinese utility model patent description CN203254205U openly so knows clearly a kind of jig.The technical solution of the utility model main points are: a kind of jig, mainly include taper shank, angle bar and clamp body, described taper shank and machine tool chief axis hole match, the bottom of this taper shank is provided with screw mandrel, it is the angle bar of 90 ° that the top of taper shank is provided with taper shank axis, having screwed hole on the vertical wall of this angle bar, described clamp body is fixed by the locking nut matched with angle bar upper screwed hole, and the inner side of this clamp body is provided with groove.This utility model design is simple and easy for installation, is mainly used in the course of processing of cylindrical workpiece.But the vibrations that this fixture produces in workpiece process are relatively big, can only the workpiece of clamping shaped, and dynamics is crossed conference and is damaged clamped article.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of damping universal machine fixture, and this damping universal machine fixture solves that fixture damping effect is bad, fixture poor universality and clamping force spend the problem that big fixture can damage clamped article.

In order to solve above-mentioned technical problem, the damping universal machine fixture of the present invention includes base, base is provided with circular trough, circular trough periphery is radial is provided with several bar shaped rail grooves, bar shaped rail groove is evenly distributed on circular trough periphery, be slidably connected on each bar shaped rail groove a fixture block, described fixture block is sequentially connected with bed course, pressure transducer towards circular trough side, damping device it is provided with in bed course, described base is provided with controller, siren, and described pressure transducer, siren are connected with controller respectively.

Described bar shaped rail groove quantity is 8.

Damping device in described bed course is spring.

Number of springs in described each bed course is 1.

Described bed course is made up of elastomeric material.

Adopt this damping universal machine fixture, have the advantage that

1, owing to base is provided with circular trough, radial several bar shaped rail grooves that is provided with in circular trough periphery, each bar shaped rail groove is slidably connected a fixture block, and such object can be placed in circular trough, it is possible to the object of clamping variety classes and shape;2, owing to fixture block is sequentially connected with bed course towards circular trough side, damping device it is provided with in bed course, can effectively prevent excessively clamping from causing the abrasion of workpiece so on the one hand, the vibrations produced when can effectively reduce the on the other hand processing work damage to workpiece and fixture itself, thus extending fixture service life;3, owing to fixture block is towards circular trough side Bonding pressure sensor, base is provided with controller, siren, pressure transducer, siren are connected with controller respectively, so can the dynamics of intelligentized monitoring holder object, it is prevented that excessively clamping causes the abrasion of workpiece.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.

Fig. 1 is the structural representation of damping universal machine fixture of the present invention.

Wherein have: 1. base;2. circular trough;3. bar shaped rail groove;4. fixture block;5. bed course;6. damping device;7. pressure transducer;8. controller;9. siren.

Detailed description of the invention

Damping universal machine fixture shown in Fig. 1, including base 1, base 1 is provided with circular trough 2, circular trough 2 periphery is radial is provided with several bar shaped rail grooves 3, bar shaped rail groove 3 is evenly distributed on circular trough 2 periphery, be slidably connected on each bar shaped rail groove 3 fixture block 4, described fixture block 4 is sequentially connected with bed course 5, pressure transducer 7 towards circular trough 2 side, damping device 6 it is provided with in bed course 5, described base 1 is provided with controller 8, siren 9, and described pressure transducer 7, siren 9 are connected with controller 8 respectively.

Described bar shaped rail groove 3 quantity is 8.

Damping device 6 in described bed course 5 is spring.

Number of springs in described each bed course 5 is 1.

Described bed course 5 is made up of elastomeric material.

Owing to base 1 is provided with circular trough 2, radial several bar shaped rail grooves 3 that is provided with in circular trough 2 periphery, each bar shaped rail groove 3 is slidably connected a fixture block 4, and such object can be placed in circular trough 2, it is possible to the object of clamping variety classes and shape;Due to fixture block 4 towards circular trough 2 side connect bed course 5, damping device 6 it is provided with in bed course 5, can effectively prevent excessively clamping from causing the abrasion of workpiece so on the one hand, the vibrations produced when can effectively reduce the on the other hand processing work damage to workpiece and fixture itself, thus extending fixture service life;Owing to fixture block 4 is towards circular trough 2 side Bonding pressure sensor 7, base 1 is provided with controller 8, siren 9, pressure transducer 7, siren 9 is connected with controller 8 respectively, during the setting value of the pressure overpressure sensor 7 between fixture and object, signal is passed to controller 8 by pressure transducer 7, controller 8 controls siren 9 and sounds, at this moment object clamping is stopped, when pressure between fixture and object is lower than the setting value of pressure transducer 7, now siren 9 does not ring, fixture continues clamping, so can the dynamics of intelligentized monitoring holder object, prevent excessively clamping from causing the abrasion of workpiece.

Not having the technical characteristic described in detail in the application is prior art.The principle of above-described embodiment only illustrative the application and effect thereof, not for restriction the application.Above-described embodiment all under spirit herein and category, can be modified or change by any those skilled in the art.Therefore, art has usually intellectual modifying without departing from all equivalences completed under spirit disclosed herein and technological thought or change, must be contained by claims hereof.

Claims (5)

1. a damping universal machine fixture, it is characterized in that: include base, base is provided with circular trough, circular trough periphery is radial is provided with several bar shaped rail grooves, bar shaped rail groove is evenly distributed on circular trough periphery, be slidably connected on each bar shaped rail groove a fixture block, described fixture block is sequentially connected with bed course, pressure transducer towards circular trough side, damping device it is provided with in bed course, described base is provided with controller, siren, and described pressure transducer, siren are connected with controller respectively.
2. the damping universal machine fixture described in claim 1, it is characterised in that: described bar shaped rail groove quantity is 8.
3. the damping universal machine fixture described in claim 1, it is characterised in that: the damping device in described bed course is spring.
4. the damping universal machine fixture described in claim 3, it is characterised in that: the number of springs in described each bed course is 1.
5. the damping universal machine fixture described in claim 1, it is characterised in that: described bed course is made up of elastomeric material.
CN201610195002.XA 2016-03-31 2016-03-31 Universal machine tool fixture for damping CN105729180A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610195002.XA CN105729180A (en) 2016-03-31 2016-03-31 Universal machine tool fixture for damping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610195002.XA CN105729180A (en) 2016-03-31 2016-03-31 Universal machine tool fixture for damping

Publications (1)

Publication Number Publication Date
CN105729180A true CN105729180A (en) 2016-07-06

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106965017A (en) * 2017-03-31 2017-07-21 苏州亚思科精密数控有限公司 Fixture for precision machine tool
CN107962407A (en) * 2017-11-16 2018-04-27 上海电机学院 A kind of multi-functional frock clamp
CN108436538A (en) * 2018-03-16 2018-08-24 四川九零科技有限公司 Large-scale workpiece retrofit grasping system and its method
CN108436537A (en) * 2018-03-16 2018-08-24 四川九零科技有限公司 Large-sized gantry machine Finish Machining System
CN109060283A (en) * 2018-10-31 2018-12-21 安徽江淮汽车集团股份有限公司 A kind of damping tower universal fixturing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19954369A1 (en) * 1999-11-11 2001-05-31 Metronom Indvermessung Gmbh Work piece clamping device esp. for processing and measuring purposes has work piece support part spring-loaded in direction of clamping force, and spring travel sensor
CN102950553A (en) * 2011-08-29 2013-03-06 王鼎兴 Tabletop type clamping device
CN203592323U (en) * 2013-08-22 2014-05-14 芜湖奕辰模具科技有限公司 Double-fixing fixture with measurable pressure
CN203726197U (en) * 2013-12-13 2014-07-23 芜湖市天雄塑料科技有限公司 Pressure measurable type fast clamping clamp
CN203751740U (en) * 2014-03-27 2014-08-06 刘文生 High-efficiency clamp device for fixing damping machine tool and with movable clamping claws
CN203853572U (en) * 2014-04-25 2014-10-01 刘文生 Vibration damping machine tool fixing clamp with movable clamping jaws

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19954369A1 (en) * 1999-11-11 2001-05-31 Metronom Indvermessung Gmbh Work piece clamping device esp. for processing and measuring purposes has work piece support part spring-loaded in direction of clamping force, and spring travel sensor
CN102950553A (en) * 2011-08-29 2013-03-06 王鼎兴 Tabletop type clamping device
CN203592323U (en) * 2013-08-22 2014-05-14 芜湖奕辰模具科技有限公司 Double-fixing fixture with measurable pressure
CN203726197U (en) * 2013-12-13 2014-07-23 芜湖市天雄塑料科技有限公司 Pressure measurable type fast clamping clamp
CN203751740U (en) * 2014-03-27 2014-08-06 刘文生 High-efficiency clamp device for fixing damping machine tool and with movable clamping claws
CN203853572U (en) * 2014-04-25 2014-10-01 刘文生 Vibration damping machine tool fixing clamp with movable clamping jaws

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106965017A (en) * 2017-03-31 2017-07-21 苏州亚思科精密数控有限公司 Fixture for precision machine tool
CN107962407A (en) * 2017-11-16 2018-04-27 上海电机学院 A kind of multi-functional frock clamp
CN107962407B (en) * 2017-11-16 2019-05-21 上海电机学院 A kind of multi-functional frock clamp
CN108436538A (en) * 2018-03-16 2018-08-24 四川九零科技有限公司 Large-scale workpiece retrofit grasping system and its method
CN108436537A (en) * 2018-03-16 2018-08-24 四川九零科技有限公司 Large-sized gantry machine Finish Machining System
CN109060283A (en) * 2018-10-31 2018-12-21 安徽江淮汽车集团股份有限公司 A kind of damping tower universal fixturing
CN109060283B (en) * 2018-10-31 2019-11-05 安徽江淮汽车集团股份有限公司 A kind of damping tower universal fixturing

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Application publication date: 20160706