CN102806481A - Positioning clamping device for workpiece - Google Patents

Positioning clamping device for workpiece Download PDF

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Publication number
CN102806481A
CN102806481A CN 201110150371 CN201110150371A CN102806481A CN 102806481 A CN102806481 A CN 102806481A CN 201110150371 CN201110150371 CN 201110150371 CN 201110150371 A CN201110150371 A CN 201110150371A CN 102806481 A CN102806481 A CN 102806481A
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CN
China
Prior art keywords
base
mandrel
slide block
hinged
adapter sleeve
Prior art date
Application number
CN 201110150371
Other languages
Chinese (zh)
Inventor
鹿丙稳
Original Assignee
鹿丙稳
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 鹿丙稳 filed Critical 鹿丙稳
Priority to CN 201110150371 priority Critical patent/CN102806481A/en
Publication of CN102806481A publication Critical patent/CN102806481A/en

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Abstract

The invention relates to a positioning clamping device for a workpiece. A spindle is mounted at the center of a base; the spindle is kept vertical to upper and lower planes of the base; a plurality of guide rail slots scattering from the center of the base to the periphery are formed on the upper plane of the base; slide blocks are mounted in the guide rail slots; connecting rods and a connecting sleeve are mounted on the spindle; corresponding fork-shaped lugs are formed on the periphery of an outer circle of the connecting sleeve; one ends of the connecting rods are hinged with the corresponding slide blocks through pin shafts; and the other ends of the connecting rods are hinged with each other through the pin shafts and the fork-shaped lugs on the connecting sleeve. The end parts of the connecting rods are hinged with the slide blocks through the pin shafts, the slide blocks only can move in the fixed guide rail slots, a threaded hole is formed in the middle of the spindle, a bush is mounted on the connecting sleeve, a thrusting bolt is screwed into the threaded hole in the middle of the spindle from a middle hole of the bush, and a function of pressing the connecting sleeve is achieved, so that the purpose of supporting an inner circle of the workpiece through the slide blocks is achieved.

Description

A kind of work piece positioning tightly installs
Technical field
The present invention relates to a kind of positioning clamping device, particularly a kind of work piece positioning tightly installs.Belong to lathe, lathe field of mechanical technique.
Background technology
In the cut of metal,, must be positioned annular workpieces to be processed above the employed lathe in advance at present in order to cut the cylindrical of annular workpieces.In all present localization methods, mainly contain: the one, the method location of adopting universal chuck; The 2nd, adopt the bolt location to add the method location of manual synchronizing; The 3rd, the method location of adopting collet; The 4th, the method location of adopting mandrel.
In above-mentioned localization method, though adopt the method location of universal chuck to have the high characteristics of precision, the general investment cost of chuck is higher, and for large diameter annular workpieces, the general chuck that does not have corresponding big specification; Adopt bolt directly to locate the method that adds manual synchronizing,, exist labour intensity higher though method is fairly simple; Productivity ratio is low, simultaneously because not clamping of workpiece often takes place in human negligence sometimes; Press from both sides inclined to one side situation and exist, caused corresponding mass defect.Adopt in the localization method of collet, collet is more complicated structurally generally, and simultaneously owing to structural reason, chuck can't be done greatlyyer, so can not adapt to the processing needs of major diameter annulus; Adopt the method for mandrel location, generally be applicable to highly higherly, in addition the annular workpieces that diameter is less, in all above-mentioned localization methods, is gone back ubiquity and clamping force defective on the low side.
Summary of the invention
The objective of the invention is to: provide a kind of work piece positioning tightly to install, this device not only has versatility, and positioning accuracy is high, and labor strength is low, and the characteristics that production efficiency is high also have the bigger characteristics of clamping force simultaneously.
The present invention realizes that the technical scheme that above-mentioned purpose adopts is: a kind of work piece positioning tightly installs, and it is made up of slide block, bearing pin, connecting rod, adapter sleeve, afterburning bolt, lining, mandrel and base.Mandrel is installed at the center of described base, the vertical state of last lower plane maintenance of mandrel and base, on plane on the base, make some by center to around the guide-track groove that distributes; Slide block is installed in the guide-track groove; And the free degree of sliding along guide-track groove is arranged, make corresponding fork-shaped ear around the installing connecting rods adapter sleeve on mandrel, the cylindrical of adapter sleeve; One end of connecting rod is hinged with corresponding slide block by bearing pin; And an other end is hinged with the fork-shaped ear of bearing pin through above the adapter sleeve, thus when adapter sleeve moves on mandrel, the end of just corresponding drivening rod inwardly contraction or to around strut; Its action with umbrella pack up with decontrol similar; Because hinged with bearing pin and slide block in the end of connecting rod, slide block can only move in fixing guide-track groove again, so move in or out with regard to the synchronous center along mandrel at the drive sliding block of connecting rod.Centre at mandrel is shaped on screwed hole, and the top mounting bush of adapter sleeve, afterburning bolt are screwed into from the interstitial hole of lining in the screwed hole in the middle of the mandrel, reach the effect that compresses adapter sleeve, thereby reaches the purpose that makes circle in the slide block stretching workpiece.
The present invention is achieved in that plane on base; Make the guide-track groove of right quantity along the center radius direction; Make step through-hole in the center of base simultaneously, and guarantee that the central axis in hole keeps vertical simultaneously with two planes up and down of base, is respectively charged into mandrel and slide block in the centre bore of base and in the guide-track groove; When assembling, should guarantee to load onto above the mandrel adapter sleeve; Lining, and in the neutral threaded hole of mandrel, be screwed into afterburning bolt simultaneously, with bearing pin slide block and adapter sleeve are hinged together.Its operation principle is: mandrel is installed at the center of base, the vertical state of last lower plane maintenance of mandrel and base, on plane on the base, make some by center to around the guide-track groove that distributes; Slide block is installed in the guide-track groove; And the free degree of sliding along guide-track groove is arranged, make corresponding fork-shaped ear around the installing connecting rods adapter sleeve on mandrel, the cylindrical of adapter sleeve; One end of connecting rod is hinged with corresponding slide block by bearing pin; And an other end is hinged with the fork-shaped ear of bearing pin through above the adapter sleeve, thus when adapter sleeve moves on mandrel, the end of just corresponding drivening rod inwardly contraction or to around strut; Its action with umbrella pack up with decontrol similar; Because hinged with bearing pin and slide block in the end of connecting rod, slide block can only move in fixing guide-track groove again, so move in or out with regard to the synchronous center along mandrel at the drive sliding block of connecting rod.Centre at mandrel is shaped on screwed hole, and the top mounting bush of adapter sleeve, afterburning bolt are screwed into from the interstitial hole of lining in the screwed hole in the middle of the mandrel, reach the effect that compresses adapter sleeve, thereby reaches the purpose that makes circle in the slide block stretching workpiece.
Beneficial effect: what the present invention structurally adopted is a kind of spindle mechanism, concentric hinged of slide block and connecting rod with adapter sleeve, and slide block can only move in fixing guide-track groove; So entire mechanism is not only simple above the structure, clamping force is big, and the centering of the location of workpiece is effective; Simultaneously this kind mechanism not only the folding and unfolding radius of slide block self is bigger; After changing corresponding connecting rod, can also further enlarge the folding and unfolding radius of slide block, so can adapt to the processing needs of all size diameter annulus.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Accompanying drawing is a schematic diagram of the present invention.
Shown in the figure: 1, slide block; 2, bearing pin; 3, connecting rod; 4, adapter sleeve; 5, afterburning bolt; 6, lining; 7, mandrel; 8, base; 9, guide-track groove; 10, workpiece; 11, fork-shaped ear.
The specific embodiment
Plane on base 8; Make the guide-track groove 9 of right quantity along the center radius direction; Make step through-hole in the center of base 8 simultaneously, and guarantee that the central axis in hole keeps vertical simultaneously with two planes up and down of base 8, is respectively charged into mandrel 7 and slide block 1 in the centre bore of base 8 and in the guide-track groove 9; When assembling, should guarantee to load onto above the mandrel 7 adapter sleeve 4; Lining 6, and in the neutral threaded hole of mandrel 7, be screwed into afterburning bolt 5 simultaneously, with bearing pin 2 slide block 1 and adapter sleeve 4 are hinged together.Its operation principle is: mandrel 7 is installed at the center at base 8, and mandrel 7 keeps vertical state with the last lower plane of base 8, on base 8, makes some on the plane by the guide-track groove 9 that distributes around the mind-set in the base 8; Slide block 1 is installed in the guide-track groove 9; And the free degree of sliding along guide-track groove 9 is arranged, make corresponding fork-shaped ear 11 around the installing connecting rods adapter sleeve 4 on mandrel, the cylindrical of adapter sleeve 4; One end of connecting rod 3 is hinged with corresponding slide block 1 by bearing pin 2; And an other end is hinged through the fork-shaped ear 11 above the adapter sleeve 4 with bearing pin 2, thus when adapter sleeve moves on mandrel 7, the end of just corresponding drivening rod 3 inwardly contraction or to around strut; Its action with umbrella pack up with decontrol similar; Because the end at connecting rod 3 is hinged with bearing pin 2 and slide block 1, slide block 1 can only move in fixing guide-track groove 9 again, so move in or out with regard to the synchronous center along mandrel 7 at the drive sliding block of connecting rod 3.Centre at mandrel 7 is shaped on screwed hole, and the top mounting bush 6 of adapter sleeve 4, afterburning bolt 5 are screwed into from the interstitial hole of lining 6 in the screwed hole in the middle of the mandrel 7, reach the effect that compresses adapter sleeve 4, thereby reaches the purpose that makes circle in the slide block stretching workpiece.

Claims (2)

1. a work piece positioning tightly installs; It is characterized in that: on the last plane of base (8); Make the guide-track groove (9) of right quantity along the center radius direction, make step through-hole in the center of base (8) simultaneously, and guarantee that the central axis in hole keeps vertical simultaneously with two planes up and down of base (8); Be respectively charged into mandrel (7) and slide block (1) in the centre bore of base (8) and in the guide-track groove (9); When assembling, should guarantee to load onto above the mandrel (7) adapter sleeve (4), lining (6), and in the neutral threaded hole of mandrel (7), be screwed into afterburning bolt (5) simultaneously.
2. a kind of work piece positioning according to claim 1 tightly installs; It is characterized in that: slide block (1) and adapter sleeve (4) are hinged together with bearing pin (2); Be provided with a bearing pin (2) in the end of connecting rod (3), the end of connecting rod (3) is hinged with bearing pin (2) and slide block (1).
CN 201110150371 2011-05-30 2011-05-30 Positioning clamping device for workpiece CN102806481A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110150371 CN102806481A (en) 2011-05-30 2011-05-30 Positioning clamping device for workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110150371 CN102806481A (en) 2011-05-30 2011-05-30 Positioning clamping device for workpiece

Publications (1)

Publication Number Publication Date
CN102806481A true CN102806481A (en) 2012-12-05

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Application Number Title Priority Date Filing Date
CN 201110150371 CN102806481A (en) 2011-05-30 2011-05-30 Positioning clamping device for workpiece

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CN (1) CN102806481A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104647024A (en) * 2015-02-11 2015-05-27 无锡惠发特精密机械有限公司 Self-centering fixture
CN104647022A (en) * 2015-02-11 2015-05-27 无锡惠发特精密机械有限公司 Self-centering clamp
CN104791336A (en) * 2015-04-13 2015-07-22 苏州顺革智能科技有限公司 Tensioning connection device
CN104875096A (en) * 2015-04-30 2015-09-02 芜湖文达精密机械科技有限公司 Pipe polishing machine tool
CN106736155A (en) * 2016-12-23 2017-05-31 贵州黎阳航空动力有限公司 A kind of small-diameter, thin-walled cylindrical part weld seam support fixture
CN106736137A (en) * 2016-11-29 2017-05-31 沈阳黎明航空发动机(集团)有限责任公司 A kind of adjustable linkage mechanism for the welding of pressurized strut pipeline
CN106736671A (en) * 2016-11-29 2017-05-31 天津市汇晶丰精密机械有限公司 A kind of high-pressure gear pump postoperculum fixing device
CN106956229A (en) * 2017-05-17 2017-07-18 重庆欧尼斯特机电有限公司 A kind of impeller fixing tool
CN108214048A (en) * 2018-03-08 2018-06-29 杭州乐守科技有限公司 It is a kind of to stablize durable turning attachment
CN108515210A (en) * 2018-03-16 2018-09-11 宁波鑫神泽汽车零部件有限公司 Blind hole processing device
CN111069713A (en) * 2019-12-12 2020-04-28 陈雪永 Centre bore positioner of gear machining

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104647022A (en) * 2015-02-11 2015-05-27 无锡惠发特精密机械有限公司 Self-centering clamp
CN104647024A (en) * 2015-02-11 2015-05-27 无锡惠发特精密机械有限公司 Self-centering fixture
CN104791336A (en) * 2015-04-13 2015-07-22 苏州顺革智能科技有限公司 Tensioning connection device
CN104875096B (en) * 2015-04-30 2018-10-09 繁昌县倍思生产力促进中心有限公司 A kind of tube body polishing machine tool
CN104875096A (en) * 2015-04-30 2015-09-02 芜湖文达精密机械科技有限公司 Pipe polishing machine tool
CN106736137A (en) * 2016-11-29 2017-05-31 沈阳黎明航空发动机(集团)有限责任公司 A kind of adjustable linkage mechanism for the welding of pressurized strut pipeline
CN106736671A (en) * 2016-11-29 2017-05-31 天津市汇晶丰精密机械有限公司 A kind of high-pressure gear pump postoperculum fixing device
CN106736155A (en) * 2016-12-23 2017-05-31 贵州黎阳航空动力有限公司 A kind of small-diameter, thin-walled cylindrical part weld seam support fixture
CN106956229B (en) * 2017-05-17 2019-03-05 重庆欧尼斯特机电有限公司 A kind of impeller fixing tool
CN106956229A (en) * 2017-05-17 2017-07-18 重庆欧尼斯特机电有限公司 A kind of impeller fixing tool
CN108214048A (en) * 2018-03-08 2018-06-29 杭州乐守科技有限公司 It is a kind of to stablize durable turning attachment
CN108214048B (en) * 2018-03-08 2019-06-25 佛山市南海区毅泰五金制品厂 It is a kind of to stablize durable turning attachment
CN108515210A (en) * 2018-03-16 2018-09-11 宁波鑫神泽汽车零部件有限公司 Blind hole processing device
CN108515210B (en) * 2018-03-16 2019-07-23 宁波鑫神泽汽车零部件有限公司 Blind hole processing device
CN111069713A (en) * 2019-12-12 2020-04-28 陈雪永 Centre bore positioner of gear machining

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20121205

C02 Deemed withdrawal of patent application after publication (patent law 2001)