CN206578312U - A kind of centering and clamping apparatus of multi-diameter shaft - Google Patents

A kind of centering and clamping apparatus of multi-diameter shaft Download PDF

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Publication number
CN206578312U
CN206578312U CN201720205220.7U CN201720205220U CN206578312U CN 206578312 U CN206578312 U CN 206578312U CN 201720205220 U CN201720205220 U CN 201720205220U CN 206578312 U CN206578312 U CN 206578312U
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CN
China
Prior art keywords
grip slide
radial direction
ring
fulcrum bearing
pull bar
Prior art date
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.)
Expired - Fee Related
Application number
CN201720205220.7U
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Chinese (zh)
Inventor
周达新
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.)
Tongxiang Grand Week Trading Co Ltd
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Tongxiang Grand Week Trading Co Ltd
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 Tongxiang Grand Week Trading Co Ltd filed Critical Tongxiang Grand Week Trading Co Ltd
Priority to CN201720205220.7U priority Critical patent/CN206578312U/en
Application granted granted Critical
Publication of CN206578312U publication Critical patent/CN206578312U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of centering and clamping apparatus of multi-diameter shaft, belongs to machining technology field.It includes the first radial direction cam ring, second radial direction cam ring, the quantity of first grip slide is three, equally it is distributed, and it can radially be slidably arranged in the side of fulcrum bearing, first grip slide is fitted in the presence of the first supporting spring with corresponding first surface groove, the quantity of second grip slide is also three, equally it is distributed, and it can radially be slidably arranged in the opposite side of fulcrum bearing, second grip slide is fitted in the presence of the second supporting spring and on the outside of corresponding second U-type groove, rotating disk is rotatably provided in one end of frame, one end of pull bar is fixed on rotating disk, in the other end insertion pull bar guide ring of pull bar, the two ends difference cylinder lever connecting rod and cam link of draw ring.The utility model not only realizes the centering and clamping to multi-diameter shaft, and avoids multi-diameter shaft from prolonging motion or the movement tendency of axis direction, and rational in infrastructure, clamping effect is good.

Description

A kind of centering and clamping apparatus of multi-diameter shaft
Technical field
The utility model is related to machining technology field, more particularly to a kind of centering and clamping apparatus of multi-diameter shaft.
Background technology
Machining refers to the process of be changed the appearance and size or performance of workpiece by a kind of plant equipment, by adding Difference in work mode can be divided into machining and pressure processing.Processing need machinery by digital display milling machine, digital display form grinder, Digital display lathe, electric discharge machine, grinding machine of universal, machining center, drilling machine, laser welding, fast wire winding, middle wire, slow wire feeding, peripheral milling Bed, internal grinder, fine turning lathe etc..Machining refers to use cutting element(Including cutter, grinding tool and abrasive material)Blank or work Unnecessary material layer is cut as chip on part, workpiece is obtained the processing side of defined geometry, size and surface quality Method.Machining generally can be divided into:Turning, milling, drilling, boring, ream, planing, slotting, broaching, sawing, grinding, grinding, Honing, microstoning, polishing, Gear Processing, spiral case making, screw thread process, Ultra-precision Turning, pincers worker and scraping etc..Multi-diameter shaft It is a kind of common workpiece, the topmost effect of multi-diameter shaft is exactly the part of location and installation, and the different shaft shoulder of height can be limited Part on axle prolongs motion or the movement tendency of axis direction, prevents from producing sliding in the part time job installed, and can reduce work Influence of the axial compressive force that the part of some in work is produced to other parts.Fixture is to be used for fixed processing pair during machine-building As being allowed to occupy correct position, with the device for receiving to construct or detecting.Multi-diameter shaft common at present is all by scroll chuck To realize centering and clamp, but scroll chuck can not avoid multi-diameter shaft from prolonging motion and the movement tendency of axis direction.
Utility model content
The purpose of this utility model is to provide a kind of centering and clamping apparatus of multi-diameter shaft, not only realizes the centering to multi-diameter shaft And clamping, and avoid multi-diameter shaft from prolonging motion or the movement tendency of axis direction, rational in infrastructure, clamping effect is good.
The utility model solves the technical scheme that its technical problem used:
A kind of centering and clamping apparatus of multi-diameter shaft, it include frame, rotating disk, servomotor, pull bar, draw ring, cam link, Fulcrum bearing, the first end cap, the first radial direction cam ring, the first grip slide, the first screw, the first supporting spring, the second end cap, the Two radial direction cam rings, the second grip slide, the second screw, the second supporting spring, pull bar guide ring, the fulcrum bearing are fixed on machine On frame, the middle-end of the fulcrum bearing is provided with the different mounting hole of diameter, respectively the first mounting hole and the second mounting hole, described The quantity of first grip slide is three, is equally distributed, and can radially be slidably arranged in the side of fulcrum bearing, described The first U-type groove is provided with first grip slide, first screw is arranged in fulcrum bearing, and the first screw is located at first In U-type groove, one end of the first supporting spring and the laminating of the first screw, the other end and the first folder of the first supporting spring Fitted on the outside of first U-type groove of tight sliding block, the first radial direction cam ring is rotatably provided in fulcrum bearing, described first radially Spaced set has three first surface grooves on the inside of cam ring, first grip slide in the presence of the first supporting spring and It is provided with the left of rubber pressure ring, the fulcrum bearing and sets on the inside of corresponding first surface groove laminating, first grip slide The first end cap is equipped with, the quantity of second grip slide is also three, is equally distributed, and can radially slide setting The second U-type groove is provided with the opposite side of fulcrum bearing, second grip slide, second screw is arranged on fulcrum bearing On, and the second screw is in the second U-type groove, one end of the second supporting spring and the laminating of the second screw, described second Support and fitted on the outside of the other end of spring and the second U-type groove of the second grip slide, the second radial direction cam ring is rotatably set Put in fulcrum bearing, spaced set there are three the second curved surface grooves on the inside of the second radial direction cam ring, described second clamps cunning Block is fitted in the presence of the second supporting spring and on the outside of corresponding second U-type groove, and the inner side of second grip slide is also set It is equipped with the right side of rubber pressure ring, the fulcrum bearing and is provided with the second end cap, the two ends of the cam link connects the first footpath respectively To cam ring and the second radial direction cam ring, the rotating disk is rotatably provided in one end of frame, and the servomotor and rotating disk are same Axle is connected, and the servomotor is arranged in frame, and one end of the pull bar is fixed on rotating disk, and the pull bar guide ring is set In the other end of frame, in the other end insertion pull bar guide ring of the pull bar, the two ends difference cylinder lever connecting rod of the draw ring and Cam link.
Further, rolling bearing bearing is provided between the rotating disk and frame.
Further, the quantity of the draw ring is two.
The utility model compared to the prior art, with advantages below and effect:Multi-diameter shaft is arranged on the first of fulcrum bearing On mounting hole and the second mounting hole, the end face laminating of the shaft shoulder of multi-diameter shaft and the second mounting hole, servomotor drives rotating disk steady Rotate, pull bar drives the first radial direction cam ring and the second radial direction cam ring to rotate by draw ring and cam link, and the first footpath is inside First surface groove on cam drives the inside Slideslip of the first grip slide, while the second curved surface groove on the second radial direction cam ring Drive the inside Slideslip of the second grip slide, the first grip slide and the second grip slide realize the clamping to two sections of multi-diameter shaft. Due to the end face laminating of the shaft shoulder and the second mounting hole of multi-diameter shaft, the axial float of multi-diameter shaft effectively prevent.Servomotor is anti- To rotate when, the first grip slide first supporting spring in the presence of self-return, while the second grip slide is at second Self-return in the presence of spring is held, the release to multi-diameter shaft is realized.Rolling bearing bearing is provided between rotating disk and frame, is subtracted Lack the abrasion between rotating disk and frame, be conducive to rotating disk smoothly to rotate.The quantity of draw ring is two, rational in infrastructure, favorably In the first radial direction cam ring of pulling and the second radial direction cam ring smooth rotation.The utility model not only realizes the centering to multi-diameter shaft And clamping, and avoid multi-diameter shaft from prolonging motion or the movement tendency of axis direction, rational in infrastructure, clamping effect is good.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure:1. frame, 2. rotating disks, 3. servomotors, 4. pull bars, 5. draw rings, 6. cam links, 7. fulcrum bearings, 8. One end cap, 9. first radial direction cam rings, 10. first grip slides, 11. first screws, 12. first supporting springs, 13. second ends Lid, 14. second radial direction cam rings, 15. second grip slides, 16. second screws, 17. second supporting springs, 18. pull bars are oriented to Ring, 19. first mounting holes, 20. second mounting holes, 26. rolling bearing bearings, 27. multi-diameter shafts.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by embodiment, following examples are pair It is of the present utility model explanation and the utility model is not limited to following examples.
As shown in figure 1, a kind of centering and clamping apparatus of multi-diameter shaft, it include frame 1, rotating disk 2, servomotor 3, pull bar 4, Draw ring 5, cam link 6, fulcrum bearing 7, the first end cap 8, the first radial direction cam ring 9, the first grip slide 10, the first screw 11, First supporting spring 12, the second end cap 13, the second radial direction cam ring 14, the second grip slide 15, the supporting of the second screw 16, second Spring 17, pull bar guide ring 18, the fulcrum bearing 7 are fixed in frame 1, and the middle-end of the fulcrum bearing 7 is provided with diameter difference Mounting hole, respectively the first mounting hole 19 and the second mounting hole 20, the quantity of first grip slide 10 is three, in etc. Spacing is distributed, and can radially be slidably arranged on the side of fulcrum bearing 7, first grip slide 10 and be provided with the first U Type groove, first screw 11 is arranged in fulcrum bearing 7, and the first screw 11 is located in the first U-type groove, first supporting One end of spring 12 and the first screw 11 are fitted, the other end of the first supporting spring 12 and the first of the first grip slide 10 Fitted on the outside of U-type groove, the first radial direction cam ring 9 is rotatably provided in fulcrum bearing 7, in the first radial direction cam ring 9 Side spaced set has three first surface grooves, and first grip slide 10 is in the presence of the first supporting spring 12 and correspondingly First surface groove 22 fit, the inner side of first grip slide 10 is provided with rubber pressure ring, and the left side of the fulcrum bearing 7 is set The first end cap 8 is equipped with, the quantity of second grip slide 15 is also three, is equally distributed, and can radially slide It is arranged on the opposite side of fulcrum bearing 7, second grip slide 15 and is provided with the second U-type groove, second screw 16 is installed In fulcrum bearing 7, and the second screw 16 is located in the second U-type groove, one end of the second supporting spring 17 and the second screw Fitted on the outside of 16 laminatings, the other end of the second supporting spring 17 and the second U-type groove of the second grip slide 15, described second Radial direction cam ring 14 is rotatably provided in fulcrum bearing 7, and the inner side spaced set of the second radial direction cam ring 14 has three Two curved surface grooves, second grip slide 15 is fitted in the presence of the second supporting spring 17 and on the outside of corresponding second U-type groove, The inner side of second grip slide 15 is also equipped with rubber pressure ring, and the right side of the fulcrum bearing 7 is provided with the second end cap 13, institute The two ends for stating cam link 6 connect the first radial direction cam ring 9 and the second radial direction cam ring 14 respectively, and the rotating disk 2 is rotatably set Put in one end of frame 1, rolling bearing bearing 26 be provided between the rotating disk 2 and frame 1, reduce rotating disk 2 and frame 1 it Between abrasion, be conducive to rotating disk 2 smoothly to rotate.The servomotor 3 and rotating disk 2 are coaxially connected, and the servomotor 3 is installed In frame 1, one end of the pull bar 4 is fixed on rotating disk 2, and the pull bar guide ring 18 is arranged on the other end of frame 1, institute State in the other end insertion pull bar guide ring 18 of pull bar 4, pull bar guide ring 18 is advantageously implemented the steady guiding to pull bar 5.Institute The two ends difference cylinder lever connecting rod 4 and cam link 6 of draw ring 5 are stated, the quantity of the draw ring 5 is two, rational in infrastructure, is conducive to drawing Dynamic first radial direction cam ring 9 and the smooth rotation of the second radial direction cam ring 14.
By above-mentioned technical proposal, a kind of centering and clamping apparatus of multi-diameter shaft of the utility model is in use, multi-diameter shaft 27 is pacified On the first mounting hole 19 and the second mounting hole 20 of fulcrum bearing 7, the end face of the shaft shoulder of multi-diameter shaft 27 and the second mounting hole 20 Laminating, servomotor 3 drives the smooth rotation of rotating disk 2, and pull bar 4 drives the first radial direction cam ring 9 by draw ring 5 and cam link 6 Rotated with the second radial direction cam ring 14, the first surface groove on the first radial direction cam ring 9 drives the first grip slide 10 to inner side Slide, while the second curved surface groove on the second radial direction cam ring 14 drives the inside Slideslip of the second grip slide 15, first clamps The grip slide 15 of sliding block 10 and second realizes the clamping to 27 two sections of multi-diameter shaft.Due to the shaft shoulder and the second mounting hole of multi-diameter shaft 27 20 end face laminating, effectively prevent the axial float of multi-diameter shaft 27.When servomotor 3 is rotated backward, the first grip slide 10 First supporting spring 12 in the presence of self-return, while the second grip slide 15 second supporting spring 17 in the presence of from Dynamic return, realizes the release to multi-diameter shaft 27.The utility model not only realizes the centering to multi-diameter shaft 27 and clamping, and avoids Multi-diameter shaft 27 prolongs motion or the movement tendency of axis direction, and rational in infrastructure, clamping effect is good.
Above content described in this specification is only to the utility model example explanation.The utility model Person of ordinary skill in the field can make various modifications or supplement to described specific embodiment or use class As mode substitute, content without departing from the utility model specification or surmount model defined in the claims Enclose, protection domain of the present utility model all should be belonged to.

Claims (3)

1. a kind of centering and clamping apparatus of multi-diameter shaft, it is characterised in that:It include frame, rotating disk, servomotor, pull bar, draw ring, Cam link, fulcrum bearing, the first end cap, the first radial direction cam ring, the first grip slide, the first screw, the first supporting spring, the Two end caps, the second radial direction cam ring, the second grip slide, the second screw, the second supporting spring, pull bar guide ring, the supporting Seat is fixed in frame, and the middle-end of the fulcrum bearing is provided with the different mounting hole of diameter, respectively the first mounting hole and second Mounting hole, the quantity of first grip slide is three, is equally distributed, and can radially be slidably arranged in fulcrum bearing Side, the first U-type groove is provided with first grip slide, first screw is arranged in fulcrum bearing, and first Screw is located in the first U-type groove, one end of the first supporting spring and the laminating of the first screw, and described first supports the another of spring Fitted on the outside of first U-type groove of one end and the first grip slide, the first radial direction cam ring is rotatably provided in fulcrum bearing, Spaced set has three first surface grooves on the inside of the first radial direction cam ring, and first grip slide supports bullet first Fitted in the presence of spring with corresponding first surface groove, rubber pressure ring, the branch are provided with the inside of first grip slide The first end cap is provided with the left of bearing, the quantity of second grip slide is also three, is equally distributed, and can edge Radially slide and the second U-type groove is provided with the opposite side for being arranged on fulcrum bearing, second grip slide, the second screw peace In fulcrum bearing, and the second screw is located in the second U-type groove, one end of the second supporting spring and the second screw patch Close, fitted on the outside of the other end of the second supporting spring and the second U-type groove of the second grip slide, the second radial direction convex Wheel is rotatably provided in fulcrum bearing, and spaced set has three the second curved surface grooves on the inside of the second radial direction cam ring, described Second grip slide is fitted in the presence of the second supporting spring and on the outside of corresponding second U-type groove, second grip slide Inner side be also equipped with the right side of rubber pressure ring, the fulcrum bearing being provided with the second end cap, the two ends difference of the cam link The first radial direction cam ring and the second radial direction cam ring are connected, the rotating disk is rotatably provided in one end of frame, the servo electricity Machine and rotating disk are coaxially connected, and the servomotor is arranged in frame, and one end of the pull bar is fixed on rotating disk, the pull bar Guide ring is arranged in the other end of frame, the other end insertion pull bar guide ring of the pull bar, the two ends difference of the draw ring Cylinder lever connecting rod and cam link.
2. a kind of centering and clamping apparatus of multi-diameter shaft according to claim 1, it is characterised in that:The rotating disk and frame it Between be provided with rolling bearing bearing.
3. a kind of centering and clamping apparatus of multi-diameter shaft according to claim 1, it is characterised in that:The quantity of the draw ring is Two.
CN201720205220.7U 2017-03-05 2017-03-05 A kind of centering and clamping apparatus of multi-diameter shaft Expired - Fee Related CN206578312U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720205220.7U CN206578312U (en) 2017-03-05 2017-03-05 A kind of centering and clamping apparatus of multi-diameter shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720205220.7U CN206578312U (en) 2017-03-05 2017-03-05 A kind of centering and clamping apparatus of multi-diameter shaft

Publications (1)

Publication Number Publication Date
CN206578312U true CN206578312U (en) 2017-10-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720205220.7U Expired - Fee Related CN206578312U (en) 2017-03-05 2017-03-05 A kind of centering and clamping apparatus of multi-diameter shaft

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106825651A (en) * 2017-03-05 2017-06-13 桐乡市大周商贸有限公司 A kind of centering and clamping apparatus of multi-diameter shaft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106825651A (en) * 2017-03-05 2017-06-13 桐乡市大周商贸有限公司 A kind of centering and clamping apparatus of multi-diameter shaft

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171024

Termination date: 20180305