CN203792067U - Turning tension and compression clamp - Google Patents
Turning tension and compression clamp Download PDFInfo
- Publication number
- CN203792067U CN203792067U CN201420156509.0U CN201420156509U CN203792067U CN 203792067 U CN203792067 U CN 203792067U CN 201420156509 U CN201420156509 U CN 201420156509U CN 203792067 U CN203792067 U CN 203792067U
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- turning
- tension
- clamping
- pull
- block
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Abstract
The utility model discloses a turning tension and compression clamp which comprises a body. The body is of a hollow cylindrical structure. The front-end central hole of the body is slightly small. A positioning sleeve is disposed at the center of a flange plate. A plurality of support blocks surrounding the positioning sleeve are evenly distributed on the flange plate. A pull rod hole is formed beside each support block. A pull rod is disposed in each pull rod hole in a matched manner. The front end of each pull rod is connected with a pull jaw through a hinge shaft. Each pull jaw is movably connected to the corresponding support block through the pull jaw hole in the pull jaw and by a rotary shaft. The tail end of each pull rod is connected to a pull plate through a pull rod pad. The turning tension and compression clamp has the advantages that the problems that during turning, clamps are low in clamping efficiency, workpieces are uneven and tilt due to improper clamping, and thus product size is unqualified are solved; lateral clamping is changed into bottom tension and compression, and problems of large ellipse, unstable size, product deformation and the like during product machining are eliminated; correct workpiece clamping is guaranteed, and clamping efficiency and machining yield are increased.
Description
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 mono-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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420156509.0U CN203792067U (en) | 2014-03-28 | 2014-03-28 | Turning tension and compression clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420156509.0U CN203792067U (en) | 2014-03-28 | 2014-03-28 | Turning tension and compression clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203792067U true CN203792067U (en) | 2014-08-27 |
Family
ID=51374334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420156509.0U Withdrawn - After Issue CN203792067U (en) | 2014-03-28 | 2014-03-28 | Turning tension and compression clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203792067U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909436A (en) * | 2014-03-28 | 2014-07-09 | 蒋剑锋 | Turning tension-compression fixture |
| CN104907868A (en) * | 2015-05-21 | 2015-09-16 | 宁波海天精工股份有限公司 | Hydraulic automatic clamp for turning motor shell |
| CN105537634A (en) * | 2016-01-22 | 2016-05-04 | 中信戴卡股份有限公司 | Lathe chuck for aluminum alloy hub |
| CN113385971A (en) * | 2021-07-16 | 2021-09-14 | 格力(武安)精密装备制造有限公司 | Novel cylinder block device of metal casting cast iron |
-
2014
- 2014-03-28 CN CN201420156509.0U patent/CN203792067U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909436A (en) * | 2014-03-28 | 2014-07-09 | 蒋剑锋 | Turning tension-compression fixture |
| CN103909436B (en) * | 2014-03-28 | 2016-04-06 | 蒋剑锋 | A kind of turning tension and compression fixture |
| CN104907868A (en) * | 2015-05-21 | 2015-09-16 | 宁波海天精工股份有限公司 | Hydraulic automatic clamp for turning motor shell |
| CN105537634A (en) * | 2016-01-22 | 2016-05-04 | 中信戴卡股份有限公司 | Lathe chuck for aluminum alloy hub |
| CN113385971A (en) * | 2021-07-16 | 2021-09-14 | 格力(武安)精密装备制造有限公司 | Novel cylinder block device of metal casting cast iron |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |