CN103909436A - Turning tension-compression fixture - Google Patents

Turning tension-compression fixture Download PDF

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Publication number
CN103909436A
CN103909436A CN201410132074.0A CN201410132074A CN103909436A CN 103909436 A CN103909436 A CN 103909436A CN 201410132074 A CN201410132074 A CN 201410132074A CN 103909436 A CN103909436 A CN 103909436A
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CN
China
Prior art keywords
turning
pull bar
pull
tension
clamping
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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.)
Granted
Application number
CN201410132074.0A
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Chinese (zh)
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CN103909436B (en
Inventor
王庆端
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Boda science and Engineering Co., Ltd
Original Assignee
蒋剑锋
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Priority to CN201410132074.0A priority Critical patent/CN103909436B/en
Publication of CN103909436A publication Critical patent/CN103909436A/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
    • B23Q3/12Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general

Abstract

The invention discloses a turning tension-compression fixture comprising a body. The body is in a hollow cylindrical structure. A center hole in the front end of the body is slightly small. The center of a flange is provided with a positioning sleeve. A plurality of support blocks are evenly arranged on the flange around the positioning sleeve. Pull bar holes are arranged beside the support blocks. A pull bar is fitted in each pull bar hole. A pull claw is connected to the front end of each pull bar through a hinge shaft. The pull claws are movably connected to the support blocks through pull claw holes in the pull claws. The tail ends of the pull bars are connected to a pull plate through pull bar pads. The turning tension-compression fixture has the advantages that the problems that clamping efficiency of fixtures for turning is low and product size is unqualified due to workpiece unevenness and tilting caused by improper clamping are solved; side clamping is modified into bottom tension-compression, the problems such that ellipses are large during machining, size is unstable and products deform are eliminated; accurate clamping of the workpieces is guaranteed, clamping efficiency is improved and machining yield is increased.

Description

A kind of turning tension and compression fixture
Technical field
The present invention relates to a kind of clamping tool for machine work, be specially a kind of turning tension and compression fixture.
Background technology
In mechanical processing industry, turning processing is a kind of conventional machining mode.In the time carrying out process operation, need fixation workpiece, at this moment just need to use fixture.As Figure 1-Figure 2, traditional clamping scheme is to adopt Three-jaw fixture to clamp; Body 2 is arranged on lathe rotary main shaft, and the telescopic location of T-shaped 104 alignment jig pawls 103 clamps the locating surface of workpiece 101 and the laminating of the locating surface of three gripper jaws 103, and must allow workpiece extension angle 102 avoid gripper jaws 103.This kind of installation way, due to the omnidirectional benchmark of gripper jaws 103, operating personnel will interfere clamping workpiece with the visual fixture of avoiding, and the efficiency of clamping is low; And the direction of clamping workpiece is all different, easily cause clamping improper and cause that workpiece dress is uneven, tilting, thereby cause processing unstable, product size is defective.
Above traditional Three-jaw fixture clamping scheme, by this kind of processing scheme, because chucking power is difficult to control, and workpiece product is aluminum component; Cause product to weigh wounded or distortion and processing dimension bearing chamber, seam ellipse unstable.Secure context, does not protect mistake to execute because of three-jaw clamping, and product easily flies out, and has major safety risks.
By patent retrieval, there is following known prior art scheme:
Patent 1:
Application number: 201220106077.3, the applying date: 2012-03-20, Granted publication day: 2012-11-14, fixture of hub lathe of the present invention, relate to the fixture that a kind of field of machining is used, it comprises positioning disk, clamp pull head, support set, tension pad and trombone slide, positioning disk comprises that the main part that is connected on lathe spindle and stressing main portion one end are in order to locate the location division of wheel hub dead eye, clamping pull head comprises the connecting axle in the through hole that is arranged at positioning disk and is connected in the locating shaft of connecting axle away from positioning disk one end, connecting axle end caves inward and is provided with connecting hole, locating shaft is near position, the free end end formation annular groove that caves inward, the outside of groove forms outstanding holding section, support set is enclosed within on the outer round surface of locating shaft groove inner side, support set outer surface and the wheel hub wherein inner surface of an endoporus match and support set inner side end is fastened on the inner side end of this wheelboss inner hole, tension pad is arranged in annular groove and blocks end face outside support set, trombone slide one end is connected with the connecting hole that clamps pull head connecting axle, the other end is connected with hydraulic cylinder.
Patent 2:
Application number: 201110204266.4, the applying date: 2011-07-21, Shen Qing Publication day: 2011-11-23, the invention discloses a kind of turning attachment, comprise ring flange, described ring flange is provided with clamp body, and described clamp body is provided with L shaped clamp block, and workpiece is arranged on clamp body or L shaped clamp block; Described clamp body is provided with T-slot; Described clamp body is provided with balancing weight.Advantage of the present invention is, adopts this fixture can realize the processing of lathe to non-rotating instrument, expanded the range of application of the tool of production, facilitates the processing of non-revolution workpiece, and simple in structure, is easy to clamping.
Patent 3:
Application number: 201210581797.X, the applying date: 2012-12-27, Shen Qing Publication day 2013-05-08, the invention discloses a kind of turning attachment, it is characterized in that, comprises base, and the central authorities of base are provided with the first hole, and base is provided with at least 2 locating pieces.The features such as it is high that the present invention has working (machining) efficiency, simple to operate, reliable.
Find by above retrieval, above technical scheme can not affect novelty of the present invention; And the mutual combination of above patent document can not destroy creativeness of the present invention.
Summary of the invention
The object of this invention is to provide a kind of turning tension and compression fixture, to solve in turning processing, fixture clamping efficiency is low, and causes workpiece injustice, tilting because clamping is improper, thereby causes the underproof problem of product size; Change clamping sides into bottom tension and compression mode, the problem such as eliminating product, to add man-hour oval large, and size is unstable, deformation of products; Guarantee realizes the correct clamping of workpiece, has improved clamping efficiency and passing rate of processing.
For realizing above object, the technical solution used in the present invention is: a kind of turning tension and compression fixture, it comprises body (2), described body (2) is hollow cylindrical structure, its front end centre bore is smaller, and ring flange (201) center is provided with positioning sleeve (8); Above be evenly equipped with some back-up blocks (3) around described positioning sleeve (801) at described ring flange (201), described back-up block (3) is other is provided with tie rod hole (202), is combined with pull bar (7) in tie rod hole (202); Described pull bar (7) front end is connected with pulling claw (4) by hinge axis (6), and described pulling claw (4) is movably connected on back-up block (3) by turning cylinder (5) by the pulling claw hole (401) on it; The end of described pull bar (7) is connected on arm-tie (10) by pull bar pad (13), described arm-tie (10) is connected with connecting rod (1) by connecting rod pad (9), and the cover plate (1) that described connecting rod (1) arranges through body (1) end reaches outside body (1).
Further, on described ring flange (201), be provided with alignment pin (12).
Further, described back-up block (3) is provided with open slot, and described pulling claw (4) is engaged in open slot by turning cylinder (5).
Further, described back-up block (3) has 3, is evenly arranged on the end face of ring flange (201).
Further, described back-up block (3), tie rod hole (202), turning cylinder (5), hinge axis (6) and pulling claw (4) supporting setting in groups.
Further, described back-up block (3), tie rod hole (202), turning cylinder (5), hinge axis (6) and pulling claw (4) arrange 3 groups altogether.
Beneficial effect of the present invention: 1, fixture of the present invention adopts tension and compression mechanism to change clamping sides into bottom tension and compression mode, realize the little and problem that can compress in workpiece space, eliminating product, to add man-hour oval large, and size is unstable, the problems such as deformation of products, have improved processing quality.
2, solve in turning processing, fixture clamping efficiency is low, and causes workpiece injustice, tilting because clamping is improper, thereby causes the underproof problem of product size, ensures to realize the correct clamping of workpiece, has improved clamping efficiency and passing rate of processing.
Brief description of the drawings
Fig. 1 is existing turning clamp structural representation.
Fig. 2 is turning clamp left view in Fig. 1.
Fig. 3 is structural representation of the present invention.
Fig. 4 is front view of the present invention.
Fig. 5 is A-A cutaway view in Fig. 4.
Schematic diagram when Fig. 6 is clamping work pieces 101 of the present invention.
Fig. 7 is tension and compression of the present invention mechanism part-structure schematic diagram.
Described in figure, label character is expressed as: 1, connecting rod; 2, body; 3, back-up block; 4, pulling claw; 5, turning cylinder; 6, hinge axis; 7, pull bar; 8, positioning sleeve; 9, connecting rod pad; 10, arm-tie; 11, cover plate; 12, alignment pin; 13, pull bar pad.
101, workpiece; 102, workpiece is hung angle; 103, gripper jaws; 104, T-shaped; 201, ring flange; 202, tie rod hole; 401, pulling claw hole.
Detailed description of the invention
In order to make those skilled in the art understand better technical scheme of the present invention, describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
As shown in Fig. 3-Fig. 7, concrete structure of the present invention is: it comprises body 2, and described body 2 is hollow cylindrical structure, and its front end centre bore is smaller, and ring flange 201 centers are provided with positioning sleeve 8; On described ring flange 201, be evenly equipped with some back-up blocks 3 around described positioning sleeve 801, described back-up block 3 is other is provided with tie rod hole 202, is combined with pull bar 7 in tie rod hole 202; Described pull bar 7 front ends are connected with pulling claw 4 by hinge axis 6, and described pulling claw 4 is movably connected on back-up block 3 by turning cylinder 5 by the pulling claw hole 401 on it; The end of described pull bar 7 is connected on arm-tie 10 by pull bar pad 13, and described arm-tie 10 is connected with connecting rod 1 by connecting rod pad 9, and described connecting rod 1 reaches outside body 1 through the cover plate 1 of body 1 end setting.On described ring flange 201, be provided with alignment pin 12.Described back-up block 3 is provided with open slot, and described pulling claw 4 is engaged in open slot by turning cylinder 5.Described back-up block 3 has 3, is evenly arranged on the end face of ring flange 201.The supporting setting in groups of described back-up block 3, tie rod hole 202, turning cylinder 5, hinge axis 6 and pulling claw 4.
Preferably, described back-up block 3, tie rod hole 202, turning cylinder 5, hinge axis 6 and pulling claw 4 arrange 3 groups altogether.
As shown in Figure 6, while specifically use, the flange seat 203 of chuck body 2 of the present invention is fixed on the ring flange of lathe, the transfer bar mechanism of connecting rod 1 connecting machine tool.Transfer bar mechanism band is dynamically connected and 1 in the hollow of body 2, moves back and forth, and arm-tie 10 drives pull bar 7 to move back and forth, thereby drives pulling claw 4 open and clamp motion.
Fig. 7 is tension and compression of the present invention mechanism part-structure schematic diagram, and in figure, the clear each several part that has shown tension and compression mechanisms forms and annexation, but its shape also exists the pattern that other may be close.
The positioning sleeve 8 arranging on body 2 front end flange dishes 201 and alignment pin 12, by spacing workpiece 101, do not produce radial motion; Pulling claw 4 is limited in axial direction securely by workpiece 101, thereby workpiece 101 is fixed on fixture.Each clamping, workpiece 101 positions immobilize, and, have avoided workpiece and have hung the clamping interference point at angle 102 when the position of Design Orientation pin 12, needn't look for position to avoid interfering at every turn.
In the time carrying out the clamping of workpiece 101 and dismantle, only need to start lathe transfer bar mechanism, without complicated dismounting, easy and simple to handle, save the clamping time, improve clamping efficiency; Guarantee realizes the correct clamping of workpiece location, has improved passing rate of processing.
Meanwhile, adopt tension and compression mechanism to change clamping sides into bottom tension and compression mode, realize the little and problem that can compress in workpiece space, eliminate product add man-hour ellipse greatly, the problem such as size is unstable, deformation of products, has improved processing quality.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby which key element the process, method, article or the equipment that make to comprise a series of key elements not only comprise, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.
Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above example is just for helping to understand method of the present invention and core concept thereof.The above is only the preferred embodiment of the present invention, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvement, retouching or variation, also above-mentioned technical characterictic can be combined by rights; These improve retouching, change or combination, or without improving, the design of invention and technical scheme are directly applied to other occasion, all should be considered as protection scope of the present invention.

Claims (6)

1. a turning tension and compression fixture, it comprises body (2), it is characterized in that, and described body (2) is hollow cylindrical structure, and its front end centre bore is smaller, and ring flange (201) center is provided with positioning sleeve (8); Above be evenly equipped with some back-up blocks (3) around described positioning sleeve (801) at described ring flange (201), described back-up block (3) is other is provided with tie rod hole (202), is combined with pull bar (7) in tie rod hole (202); Described pull bar (7) front end is connected with pulling claw (4) by hinge axis (6), and described pulling claw (4) is movably connected on back-up block (3) by turning cylinder (5) by the pulling claw hole (401) on it; The end of described pull bar (7) is connected on arm-tie (10) by pull bar pad (13), described arm-tie (10) is connected with connecting rod (1) by connecting rod pad (9), and the cover plate (1) that described connecting rod (1) arranges through body (1) end reaches outside body (1).
2. a kind of turning tension and compression fixture according to claim 1, is characterized in that, is provided with alignment pin (12) on described ring flange (201).
3. a kind of turning tension and compression fixture according to claim 1, is characterized in that, described back-up block (3) is provided with open slot, and described pulling claw (4) is engaged in open slot by turning cylinder (5).
4. a kind of turning tension and compression fixture according to claim 1, is characterized in that, described back-up block (3) has 3, is evenly arranged on the end face of ring flange (201).
5. a kind of turning tension and compression fixture according to claim 1, it is characterized in that described back-up block (3), tie rod hole (202), turning cylinder (5), hinge axis (6) and pulling claw (4) supporting setting in groups.
6. a kind of turning tension and compression fixture according to claim 5, it is characterized in that, described back-up block (3), tie rod hole (202), turning cylinder (5), hinge axis (6) and pulling claw (4) arrange 3 groups altogether.
CN201410132074.0A 2014-03-28 2014-03-28 A kind of turning tension and compression fixture Active CN103909436B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410132074.0A CN103909436B (en) 2014-03-28 2014-03-28 A kind of turning tension and compression fixture

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CN103909436A true CN103909436A (en) 2014-07-09
CN103909436B CN103909436B (en) 2016-04-06

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105690160A (en) * 2016-03-14 2016-06-22 长沙博大机械零部件有限公司 Segmented holding claw vehicle clamp for engine end cover with small housing hole
CN107983981A (en) * 2018-01-04 2018-05-04 华南理工大学 A kind of inside and outside clamping method and device during thin-wall tubular part rotation processing
CN108356558A (en) * 2018-03-31 2018-08-03 长沙博大机械零部件有限公司 A kind of starter motor end cap sidewall drawing folder tool
CN108581573A (en) * 2018-07-05 2018-09-28 十堰合骏实业有限公司 A kind of auto parts and components turning tool
CN109483267A (en) * 2018-12-29 2019-03-19 重庆全能电器有限公司 Pneumatic eave tile pull rod vehicle clamper
CN111266475A (en) * 2020-03-16 2020-06-12 南昌航空大学 Discharging mechanism of thermal-strength spinning machine
CN112872394A (en) * 2021-01-14 2021-06-01 济南江华锻铸机械有限公司 Turning clamp for flange blind plate

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Publication number Priority date Publication date Assignee Title
CN201073738Y (en) * 2007-09-17 2008-06-18 济南一机床集团有限公司 Lathe fixture
KR20100016945A (en) * 2008-08-05 2010-02-16 주식회사 현대지엔에이 A jig apparatus for fixing of motor car hypoid ring gear
CN201579635U (en) * 2009-12-31 2010-09-15 沈阳锦德机械有限公司 Horizontal lathe suspended claw
CN202224966U (en) * 2011-06-24 2012-05-23 山东润通机械制造有限公司 High-precision clamp for cylindrical gear workpieces
CN202428237U (en) * 2012-06-21 2012-09-12 齐齐哈尔市金车工业公司 Pneumatic clamp for processing bearing front cover of horizontal lathe
CN102672224A (en) * 2012-04-18 2012-09-19 广州戴卡旭铝铸件有限公司 Fixed core clamping tool for processing wheel hub
CN202607349U (en) * 2012-03-10 2012-12-19 浙江吉鑫祥叉车制造有限公司 Lathe clamp for mast support of fork truck
CN103586705A (en) * 2013-12-04 2014-02-19 蒋剑锋 Turning fixture
CN203792067U (en) * 2014-03-28 2014-08-27 蒋剑锋 Turning tension and compression clamp

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201073738Y (en) * 2007-09-17 2008-06-18 济南一机床集团有限公司 Lathe fixture
KR20100016945A (en) * 2008-08-05 2010-02-16 주식회사 현대지엔에이 A jig apparatus for fixing of motor car hypoid ring gear
CN201579635U (en) * 2009-12-31 2010-09-15 沈阳锦德机械有限公司 Horizontal lathe suspended claw
CN202224966U (en) * 2011-06-24 2012-05-23 山东润通机械制造有限公司 High-precision clamp for cylindrical gear workpieces
CN202607349U (en) * 2012-03-10 2012-12-19 浙江吉鑫祥叉车制造有限公司 Lathe clamp for mast support of fork truck
CN102672224A (en) * 2012-04-18 2012-09-19 广州戴卡旭铝铸件有限公司 Fixed core clamping tool for processing wheel hub
CN202428237U (en) * 2012-06-21 2012-09-12 齐齐哈尔市金车工业公司 Pneumatic clamp for processing bearing front cover of horizontal lathe
CN103586705A (en) * 2013-12-04 2014-02-19 蒋剑锋 Turning fixture
CN203792067U (en) * 2014-03-28 2014-08-27 蒋剑锋 Turning tension and compression clamp

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105690160A (en) * 2016-03-14 2016-06-22 长沙博大机械零部件有限公司 Segmented holding claw vehicle clamp for engine end cover with small housing hole
CN105690160B (en) * 2016-03-14 2018-06-19 长沙博大机械零部件有限公司 A kind of segmented claw vehicle for small shell aperture end cover of engine presss from both sides
CN107983981A (en) * 2018-01-04 2018-05-04 华南理工大学 A kind of inside and outside clamping method and device during thin-wall tubular part rotation processing
CN108356558A (en) * 2018-03-31 2018-08-03 长沙博大机械零部件有限公司 A kind of starter motor end cap sidewall drawing folder tool
CN108581573A (en) * 2018-07-05 2018-09-28 十堰合骏实业有限公司 A kind of auto parts and components turning tool
CN109483267A (en) * 2018-12-29 2019-03-19 重庆全能电器有限公司 Pneumatic eave tile pull rod vehicle clamper
CN111266475A (en) * 2020-03-16 2020-06-12 南昌航空大学 Discharging mechanism of thermal-strength spinning machine
CN111266475B (en) * 2020-03-16 2021-08-17 南昌航空大学 Discharging mechanism of thermal-strength spinning machine
CN112872394A (en) * 2021-01-14 2021-06-01 济南江华锻铸机械有限公司 Turning clamp for flange blind plate
CN112872394B (en) * 2021-01-14 2022-07-26 济南江华锻铸机械有限公司 Turning clamp for flange blind plate

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Effective date of registration: 20160517

Address after: 410000, Hunan, Changsha, Liuyang Liuyang manufacturing base, Changsha Boda Machinery Parts Co., Ltd.

Patentee after: CHANGSHA BODA MACHINERY PARTS CO., LTD.

Address before: Labor Road 410000 Hunan province Changsha Yuhua District No. 79 Building 1 room 402

Patentee before: Jiang Jianfeng

CP03 Change of name, title or address
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Address after: 410300 No.7 Yongfu Road, Liuyang high tech Industrial Development Zone, Liuyang City, Changsha City, Hunan Province

Patentee after: Changsha Boda science and Engineering Co., Ltd

Address before: 410000, Hunan, Changsha, Liuyang Liuyang manufacturing base, Changsha Boda Machinery Parts Co., Ltd.

Patentee before: CHANGSHA BODA MACHINERY PARTS Co.,Ltd.