CN105522414B - A kind of drilling attachment for amplifying clamping force - Google Patents

A kind of drilling attachment for amplifying clamping force Download PDF

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Publication number
CN105522414B
CN105522414B CN201610045024.8A CN201610045024A CN105522414B CN 105522414 B CN105522414 B CN 105522414B CN 201610045024 A CN201610045024 A CN 201610045024A CN 105522414 B CN105522414 B CN 105522414B
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China
Prior art keywords
overcoat
lever
cone
feeding cone
clip claw
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CN201610045024.8A
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Chinese (zh)
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CN105522414A (en
Inventor
张树有
朱国文
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Zhejiang University ZJU
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Zhejiang University ZJU
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Priority to CN201610045024.8A priority Critical patent/CN105522414B/en
Publication of CN105522414A publication Critical patent/CN105522414A/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

Abstract

The invention discloses a kind of drilling attachment for amplifying clamping force.Clip claw assembly and feeding cone including overcoat and installation on the coat;Overcoat front portion is provided with clip claw assembly, clip claw assembly includes clamping jaw block, lever and roller, its intermediate part is by hinge on the pole of the anterior outer wall of overcoat, the rear end of lever is provided with roller, the front end of lever is provided with clamping jaw block, equipped with feeding cone inside overcoat rear end, feeding cone rear end is connected with screw rod, it is long that lever front bar length is less than rear bar, the roller of clip claw assembly is rolled with feeding cone through overcoat and be connected, is rotated around bearing pin to movement promotion lever in overcoat axis by feeding cone and then is driven clamping jaw block to move.The present invention can amplify clamping force, can quickly clamp drill bit, and clamping operation is very convenient, and with self-locking performance, the simple for structure of device, processing cost are low.

Description

A kind of drilling attachment for amplifying clamping force
Technical field
The present invention relates to a kind of fixture, more particularly to a kind of drilling attachment for amplifying clamping force.
Background technology
Drill bit is a kind of rotates and head end has the instrument of drilling ability, drilling can go out through hole or blind on solid material Hole, can also reaming etc..Its application is extremely wide, can operate with and is used on the toolroom machines such as electric hand drill, drilling machine.
Drill bit is when processing operation, it is necessary to which drilling attachment is clamped.Drilling attachment will can clamp a series of different-diameters Drill bit.Either existing drilling attachment complex structure, the high processing costs of fixture in itself, or clamping troublesome poeration, clamping Effect is not good.
The content of the invention
Object of the present invention is to provide a kind of drilling attachment for amplifying clamping force, it can amplify clamping force, energy Drill bit is quickly clamped, clamping operation is very convenient, and with self-locking performance, the simple for structure of device, processing cost are low.
The method of the present invention is achieved through the following technical solutions:
The present invention is including overcoat and installs clip claw assembly on the coat, feeding cone;Overcoat front portion is provided with clip claw assembly, Clip claw assembly includes clamping jaw block, lever and roller, its intermediate part by hinge on the pole of the anterior outer wall of overcoat, lever Rear end be provided with roller, the front end of lever is provided with inside clamping jaw block, overcoat rear end equipped with feeding cone, and the roller of clip claw assembly is worn Cross the fluting of overcoat wall and rolled with feeding cone outer wall and be connected, by feed cone overcoat axis to mobile promotion lever around Bearing pin rotates and then drives the motion of clamping jaw block.
The present invention includes multiple clip claw assemblies, and multiple clip claw assemblies are uniformly anterior outer mounted in overcoat along overcoat ambient separation Wall, forms bare terminal end.
Described lever is in fold-line-shaped, and front-end and back-end form the bar length on front side of obtuse angle, lever bearing pin and are less than on rear side of bearing pin Bar it is long.
Described feeding cone front portion is frustum cone structure, and small end is towards clip claw assembly, and the conical surface of roller and frustum cone structure connects Touch.
Described feeding cone is by set pin sleeve in overcoat, and feeding cone body sidewall is fixed provided with bar-shaped trough vertically The through hole of position pin through overcoat is inserted into the radial rotary of spacing feeding cone in bar-shaped trough so that feeding cone is moved vertically It is dynamic.
Described clamping jaw block, which is hinged at the front end of lever, its intermediate part hinge to be provided with, to be used to keep roller and feeding The conical surface of cone contacts torsion spring all the time, and make it that the anterior bearing pin limitation clamping jaw block of lever necessarily can only freely swing in pivot angle.
Described clip claw assembly rear end is connected with screw rod, and screw rod is matched somebody with somebody with feeding the endoporus of cone by the screw thread pair of self-locking Close.
The present invention is mainly amplified by Liang Zhong mechanisms to clamping force, and one is the screw thread pair between screw rod and feeding cone With significant power amplification, two be clip claw assembly lever construction also have significant power amplification.
The invention has the advantages that:
1st, compared with other fixtures, clamping force of the invention can be amplified, and clamping force is big, and clamping is operated very just Victory, only needs rotary sleeve just can quickly clamp drill bit, and device has self-locking performance.
2nd, apparatus of the present invention is simple for structure and effective, and the machining feature of each part is all very simple, and the entirety of device adds Work low cost, is highly suitable for batch industrialized implementation.
Brief description of the drawings
Fig. 1 is integrally-built schematic diagram of the invention.
Fig. 2 is the front section view of the present invention.
In figure:1:Clamping jaw block;2:Lever;3:Roller;4:Overcoat;5:Alignment pin;6:Screw rod;7:Feed cone.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
As shown in figure 1, the present invention includes overcoat 4 and clip claw assembly on overcoat 4, feeding cone 7;Before overcoat 4 Portion is provided with multiple clip claw assemblies, and multiple clip claw assemblies, uniformly mounted in the anterior outer wall of overcoat 4, form clamping along the ambient separation of overcoat 4 End.
Clip claw assembly includes clamping jaw block 1, lever 2 and roller 3, and clamping jaw block 1, lever 2 and roller 3 are connected to become by bearing pin One clip claw assembly, the middle part of lever 2 is by hinge on the pole of the anterior outer wall of overcoat 4, and clamping jaw block 1 is hinged on lever 2 Front end, the middle part bearing pin hinged place of lever 2 be provided be used for keep roller 3 with feeding cone 7 the conical surface contact torsion spring all the time, connection The bearing pin and torsion spring of clamping jaw block 1 and lever 2 allow clamping jaw block 1 to be swung around the end of lever 2, and limit clamping jaw block 1 can only one Fixed pendulum freely swings in angle.
The rear end of lever 2 is provided with roller 3, and the front end of lever 2 is provided with inside clamping jaw block 1, the rear end of overcoat 4 equipped with feeding cone 7, anterior feeding cone 7 is frustum cone structure, and small end is towards clip claw assembly, and the roller 3 of clip claw assembly passes through the fluting of the wall of overcoat 4 It is connected with the conical surface outer wall rolling for feeding cone 7.
As shown in Fig. 2 feeding cone 7 is enclosed within overcoat 4 by alignment pin 5, feeding cone 7 side wall is provided with bar vertically Shape groove, the through hole of alignment pin 5 through overcoat 4 is inserted into the radial rotary of spacing feeding cone 7 in bar-shaped trough so that feeding cone 7 are axially moveable, it is ensured that feeding cone 7 can be moved in overcoat 4 but can not rotated.
On the one hand, the present invention is connected by clip claw assembly rear end with screw rod 6, and screw rod 6 and the endoporus of feeding cone 7 pass through certainly The screw thread pair of lock coordinates, and by screw structure so that applying rotation peripheral force, forms axial propulsive force, increases clamping force.It is another Fermentation, lever of the invention is in fold-line-shaped, and front-end and back-end form the bar length on front side of obtuse angle, lever bearing pin and are less than on rear side of bearing pin Bar is long so that the power that feeding cone 7 is applied on the rear end roller 3 of lever 2 is delivered to the front end of lever 2 and clamped with further increase Power.
The specific work process of the present invention is as follows:
As shown in Fig. 2 the inclined-plane of feeding cone 7 is applied on clamping jaw block 1 by roller 3 and lever 2, by feeding cone 7 in overcoat 4 axial movement promote lever 2 is rotated around bearing pin and then drives clamping jaw block 1 to move, make three clamping jaw blocks 1 close up or Person opens, while by leverage, clamping force is amplified.
As shown in figure 1, the rotation of screw rod 6 makes feeding cone 7 be moved in overcoat 4, it is to consolidate screw rod 6 in specific implementation It is fixed, the axial movement for feeding cone 7 is driven by rotary sleeve 4.Drill handle part is extend between three clamping jaw blocks 1, then Rotary sleeve 4, so that it may make three clamping jaw blocks 1 close up and clamp;On the contrary, reversely rotating overcoat 4, it is possible to unclamp clamping jaw block 1, take Go out drill bit.
So as to which the relative rotation of overcoat 4 and screw rod 6 can control clamping jaw block 1 to open and clamp, and be made by lever With clamping force is amplified.Because the screw thread pair that screw rod 6 is constituted with feeding cone 7 has auto-lock function so that of the invention Drill jig has auto-lock function.
The present invention realizes amplification clamping force, can quickly clamp drill bit, and clamping operation is very convenient, with self-locking performance, The simple for structure of device, processing cost are low.

Claims (6)

1. a kind of drilling attachment for amplifying clamping force, it is characterised in that:Folder including overcoat (4) and on overcoat (4) Claw assembly, feeding cone (7);Overcoat (4) front portion is provided with clip claw assembly, and clip claw assembly includes clamping jaw block (1), lever (2) and rolling In the middle part of sub (3), lever (2) by hinge on the pole of the anterior outer wall of overcoat (4), the rear end of lever (2) is provided with roller (3), the front end of lever (2) is provided with inside clamping jaw block (1), overcoat (4) rear end equipped with feeding cone (7), the roller of clip claw assembly (3) fluting through overcoat (4) wall is connected with feeding cone (7) outer wall rolling, by feeding cone (7) in overcoat (4) Axial movement promotes lever (2) to be rotated around bearing pin and then drives clamping jaw block (1) to move;
Described feeding cone (7) is enclosed within overcoat (4) by alignment pin (5), and feeding cone (7) side wall is provided with bar vertically Shape groove, the through hole of alignment pin (5) through overcoat (4) is inserted into the radial rotary of spacing feeding cone (7) in bar-shaped trough so that enter Moved axially to cone (7) along overcoat (4).
2. a kind of drilling attachment for amplifying clamping force according to claim 1, it is characterised in that:Described feeding cone (7) rear end is connected with screw rod (6), and screw rod (6) and the endoporus of feeding cone (7) are coordinated by the screw thread pair of self-locking.
3. a kind of drilling attachment for amplifying clamping force according to claim 1, it is characterised in that:Described lever (2) The bar that bar length on front side of bearing pin is less than on rear side of bearing pin is long.
4. according to a kind of any described drilling attachment for amplifying clamping force of claims 1 to 3, it is characterised in that:Include Multiple clip claw assemblies, multiple clip claw assemblies, uniformly mounted in the anterior outer wall of overcoat (4), form bare terminal end along overcoat (4) ambient separation.
5. according to a kind of any described drilling attachment for amplifying clamping force of claims 1 to 3, it is characterised in that:Described It is frustum cone structure to feed cone (7) front portion, and small end is towards clip claw assembly, the taper-face contact of roller (3) and frustum cone structure.
6. according to any drilling attachment for amplifying clamping force of claims 1 to 3, it is characterised in that:Described clamping jaw block (1) being hinged on bearing pin hinged place in the middle part of the front end of lever (2), lever (2) and being provided with is used to keep roller (3) and feeding cone (7) The torsion spring that contacts all the time of the conical surface.
CN201610045024.8A 2016-01-22 2016-01-22 A kind of drilling attachment for amplifying clamping force Active CN105522414B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610045024.8A CN105522414B (en) 2016-01-22 2016-01-22 A kind of drilling attachment for amplifying clamping force

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610045024.8A CN105522414B (en) 2016-01-22 2016-01-22 A kind of drilling attachment for amplifying clamping force

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CN105522414A CN105522414A (en) 2016-04-27
CN105522414B true CN105522414B (en) 2017-07-14

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CN105880658B (en) * 2016-06-12 2018-04-17 中信戴卡股份有限公司 A kind of big stroke swelling device for clamping wheel hub centre bore
CN106378636B (en) * 2016-09-30 2018-06-01 西安长峰机电研究所 Slip revolving platform embraces folder automatic open device
CN107527686A (en) * 2017-09-26 2017-12-29 浙江德通科技有限公司 A kind of 7/8 " radio frequency coaxial electric cable for mobile communication
CN107508207A (en) * 2017-10-20 2017-12-22 卞毓平 The collar style fixture and its method of work that a kind of cable of convenient use continues
CN107876834B (en) * 2017-11-03 2019-06-04 宁波星睿轩智能科技有限公司 A kind of high stability hand held electric drill being easily changed drill bit
CN108098414A (en) * 2017-12-18 2018-06-01 爱珂勒电子元器件(珠海)有限公司 A kind of automatic carrier
CN108098690A (en) * 2017-12-29 2018-06-01 宜兴市飞舟高新科技材料有限公司 The device replaced for carbon fiber spinning pack
CN108453613A (en) * 2018-03-12 2018-08-28 浙江德美轴承有限公司 A kind of bearing mnanufacture bearing polishing machine
CN108500678A (en) * 2018-03-30 2018-09-07 章敏 The quick clamping mechanism of machine tooling
CN109773263B (en) * 2019-03-21 2024-03-05 山东沃达重工机床有限公司 Horizontal broaching machine body, manufacturing method thereof and broaching machine
CN110000723B (en) * 2019-03-27 2024-03-26 巨力自动化设备(浙江)有限公司 Clamp for high-frequency heating and oil removal of armature
CN113001400A (en) * 2019-12-20 2021-06-22 湖州铭灏机械有限公司 Lever grinder anchor clamps
CN113601207A (en) * 2021-07-20 2021-11-05 长春汽车工业高等专科学校 Intelligent manufacturing three-dimensional flexible clamp system

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JPH10109235A (en) * 1996-10-01 1998-04-28 Nitto Seiko Co Ltd Washer assembling device
CN2609709Y (en) * 2003-04-25 2004-04-07 万莉 Clamping apparatus
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