CN206263615U - A kind of eccentric shaft processing clamp - Google Patents
A kind of eccentric shaft processing clamp Download PDFInfo
- Publication number
- CN206263615U CN206263615U CN201621325106.XU CN201621325106U CN206263615U CN 206263615 U CN206263615 U CN 206263615U CN 201621325106 U CN201621325106 U CN 201621325106U CN 206263615 U CN206263615 U CN 206263615U
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- Prior art keywords
- eccentric
- collet
- eccentric disc
- lock sleeve
- cover plate
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Abstract
The utility model discloses a kind of eccentric shaft processing clamp.Including eccentric disc（10）；Eccentric disc is provided with eccentric orfice（11）, eccentric axially bored line（12）With the cylindrical axis of eccentric disc（13）It is parallel and misaligned；Lock sleeve is provided with eccentric orfice（20）, lock sleeve is through bolt（80）It is fixedly connected with eccentric disc；Lock sleeve endoporus one end is horn mouth（21）, collet is provided with lock sleeve endoporus（30）, collet one end is provided with external screw thread（31）, external screw thread and nut gear（40）Drive connection, nut gear and shaft gear（50）Drive connection, shaft gear side is provided with swing handle（51）；It is circular cone shape, the frustum of a cone that the collet other end is cylindrical（32）Center is provided with centre bore（33）, centre bore is formed around one group of radial uniform retraction slot（34）；The Pan Kou of eccentric disc is provided with cover plate（60）, cover plate is through screw（70）It is connected with eccentric disc.The utility model clamping precision can bring up to 0.005mm, while convenient mounting and clamping, efficiency high.
Description
Technical field
The utility model is related to a kind of eccentric shaft processing clamp, belongs to machining frock technical field.
Background technology
Eccentric shaft has been applied in many total Chengdu, and eccentric shape is various, but process principle is essentially identical, partially
The heart axle processing either lathe or frock all it is critical that.It is simple only to utilize lathe and letter to existing process equipment
Single frock processing eccentric shaft, inefficient, labor intensive is big, and productivity is low, and high-precision eccentric shaft is less made
With.Old-fashioned frock, although eccentric shaft can be processed, but there is problems with：Clamping inconvenience, first positions in clamping to part
Cylindrical to be grouped, frock hole and the cylindrical gap of positioning can not be big, under so small gap between 0.0025mm preferably
Part is loaded into frock hole to have difficulties, clamping inconvenience.
Utility model content
The purpose of this utility model is, there is provided a kind of eccentric shaft processing clamp.With clamping in solving eccentric shaft processing not
Just problem, overcomes the deficiencies in the prior art.
The technical solution of the utility model：
A kind of eccentric shaft processing clamp, including eccentric disc；Eccentric disc is provided with eccentric orfice, outside eccentric axially bored line and eccentric disc
Circle diameter parallel and misaligned；Lock sleeve is provided with eccentric orfice, lock sleeve is fixedly connected through bolt with eccentric disc；Lock sleeve endoporus
One end is horn mouth, and collet is provided with lock sleeve endoporus, and collet one end is provided with external screw thread, external screw thread and nut gear
Drive connection, nut gear is connected with shaft gear, and shaft gear side is provided with swing handle；It is circular cone that the collet other end is cylindrical
Mesa-shaped, frustum of a cone center is provided with centre bore, and centre bore is formed around one group of radial uniform retraction slot；The Pan Kou of eccentric disc sets
There is cover plate, cover plate is connected through screw with eccentric disc.
In foregoing eccentric shaft processing clamp, at the external screw thread of the collet and the central hole of cover plate is provided with keyway,
Flat key is provided with keyway.
In foregoing eccentric shaft processing clamp, the shaft gear both sides are equipped with bearing, the outer race axle of shaft gear both sides
The bearing positioning ring support stretched out on the inside of hole and cover plate with the swing handle on eccentric disc respectively is held to be connected.
Compared with prior art, during the utility model processing eccentric shaft, can effectively solve not exist because of collet axis
Caused machine tool hydraulic system is unable to back-moving spring chuck and plays the problems in role for clamping workpiece in machine axes, and the fixture is adopted
Workpiece is clamped with the mode of collet to act on, clamping precision brings up to 0.005mm, clamping precision improves the bias of then eccentric shaft
Can also be improved on an equal basis away from precision.And convenient mounting and clamping, efficiency high.Processing for eccentric shaft provides a kind of good thinking and dress
Folder mode.Processing to high-volume and high accuracy eccentric shaft serves great meaning.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 3-D views；
Fig. 3 is decomposing schematic representation of the present utility model；
Fig. 4 is the view of Fig. 3 other directions.
Marked in figure：00- workpieces to be processed, 10- eccentric discs, 11- eccentric orfices, 12- bias axially bored line, 13- eccentric discs
Cylindrical axis, 14- swing handles stretch out hole, 20- lock sleeves, 21- horn mouths, 30- collets, 31- external screw threads, the 32- frustums of a cone,
33- centre bores, 34- retraction slots, 35- keyways, 36- flat keys, 40- nut gears, 50- shaft gears, 51- swing handles, 60- cover plates, 61-
Bearing positioning ring, 70- screws, 80- bolts, 90- bearings.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, but not as new to this practicality
Any limitation of type.
A kind of eccentric shaft processing clamp, as Figure 1-4, including eccentric disc 10；Eccentric disc 10 is provided with eccentric orfice 11, partially
Heart axially bored line 12 is parallel and misaligned with the cylindrical axis 13 of eccentric disc；Lock sleeve 20 is provided with eccentric orfice 11, lock sleeve 20 is through spiral shell
Bolt 80 is fixedly connected with eccentric disc 10；The endoporus one end of lock sleeve 20 is horn mouth 21, and collet is provided with the endoporus of lock sleeve 20
30, the one end of collet 30 is provided with external screw thread 31, and external screw thread 31 is connected with nut gear 40, nut gear 40 and shaft gear
50 drive connections, the side of shaft gear 50 is provided with swing handle 51；It is circular cone shape, the center of the frustum of a cone 32 that the other end of collet 30 is cylindrical
Centre bore 33 is provided with, centre bore 33 is formed around one group of radial uniform retraction slot 34；The Pan Kou of eccentric disc 10 is provided with cover plate
60, cover plate 60 is connected through screw 70 with eccentric disc 10.It is provided with the central hole of cover plate 60 at the external screw thread 31 of collet 30
Flat key 36 is provided with keyway 35, keyway 35.The both sides of shaft gear 50 are equipped with bearing 90, the outer annulate shaft of bearing 90 of the both sides of shaft gear 50
The support of bearing positioning ring 61 stretched out with the swing handle on eccentric disc 10 respectively on the inside of hole 14 and cover plate 60 is held to be connected.
Embodiment
This example includes eccentric disc 10, lock sleeve 20, collet 30, nut gear 40, shaft gear 50, cover plate 60, screw
70th, bolt 80 and bearing 90 are constituted.There is bias in the cylindrical and endoporus of eccentric disc 10, lock sleeve 20 is arranged on the interior of eccentric disc 10
Kong Zhong, makes the axial line of the cylindrical axial line of eccentric disc 10 and lock sleeve 20 form bias, and collet 30 and lock sleeve 20 are bored
Degree coordinates, and the left end of collet 30 is cylindrical for guide effect.Shaft gear 50 and nut gear 40 coordinate, nut gear 40 and bullet
Property chuck 30 coordinated using screw thread, flat key 36 plays a part of to prevent collet 30 from rotating.Spiral shell is driven during rotary shaft gear 50
Female gear 40, nut gear 40 and collet 30 are coordinated using screw thread, and a sliding keyway is processed on collet 30, work as spiral shell
Drive collet 30 to move axially when female gear 40 is rotated, play a part of to tense and loosen collet 30.Effectively solve
Eccentric shaft clamping problems collets 30 clamp the position of workpiece to be processed 00 and are provided with retraction slot 34, and collet 30 and locking
20 taper fits are covered, when being pulled to the left under drive of the collet 30 in nut gear 40, collet 30 clamps workpiece.Have
What is imitated is applied on eccentric shaft processing clamp the mode of collet.There is eccentric, locking in the cylindrical and endoporus of eccentric disc 10
Set 20 is arranged in the eccentric orfice 11 of eccentric disc 10, the cylindrical axial line of eccentric disc 10 and the axial line of lock sleeve 20 is formed partially
The heart, cylindrical generation of the collet 30 equally with eccentric disc 10 is eccentric.
Operation principle of the present utility model：
Be put into workpiece to be processed 00 in the centre bore 33 of collet 30 when eccentric shaft by clamping, and rotation is clamped with spanner
The square axis rotary shaft gear 50 of handle 51, shaft gear 50 drives nut gear 40 to rotate, and nut gear 40 is deposited with collet 30
Coordinate in screw thread, and nut gear 40 is limited by eccentric disc 10 and cover plate 60 in the axial direction, only exists small―gap suture, it is impossible to axle
To movement, collet 30 also with keyway 35 and flat key 36 limitation, it is impossible to rotate, can only move axially.So working as spiral shell
Female gear 40 can only drive collet 30 to move axially when rotating, and when collet 30 is moved to the left, collet 30 is received
Tightly, so that clamping workpiece to be processed 00.Can be very good to utilize the operation principle of ripe collet 30 in eccentric machine
On structure, the machining accuracy of eccentric shaft is greatly enhanced, the processing of high-accuracy eccentric shaft is played a good role.
The eccentric orfice 11 of the operation principle eccentric disc 10 of eccentric stiffener and it is cylindrical exist required for workpiece to be processed 00 it is inclined
Away from, the axle center of lock sleeve 20 and collet 30 on one wire, lock sleeve 20 is installed on eccentric disc 10 to the heart by and high precision
On, the outer bowlder of clamping machine tool eccentric disc 10 can reach the effect of bias.When part is processed, the three-jaw of lathe clamps eccentric disc
10 cylindrical correction eccentric discs 10 are cylindrical, and workpiece to be processed 00 is put into collet 30, swing handle 51 rotated, by the band of shaft gear 50
Dynamic nut gear 40, drives collet 30 to move to left by nut gear 40, by the horn mouth 21 of the end of lock sleeve 20 by bullet
Property chuck 30 on the jam-packed of retraction slot 34, reach clamp workpiece to be processed 00 purpose.
Claims (3)
1. a kind of eccentric shaft processing clamp, it is characterised in that：Including eccentric disc（10）；Eccentric disc（10）It is provided with eccentric orfice
（11）, eccentric axially bored line（12）With the cylindrical axis of eccentric disc（13）It is parallel and misaligned；Eccentric orfice（11）Inside it is provided with lock sleeve
（20）, lock sleeve（20）Through bolt（80）With eccentric disc（10）It is fixedly connected；Lock sleeve（20）Endoporus one end is horn mouth（21）,
Lock sleeve（20）Collet is provided with endoporus（30）, collet（30）One end is provided with external screw thread（31）, external screw thread（31）With
Nut gear（40）Drive connection, nut gear（40）With shaft gear（50）Drive connection, shaft gear（50）Side is provided with swing handle
（51）；Collet（30）It is circular cone shape, the frustum of a cone that the other end is cylindrical（32）Center is provided with centre bore（33）, centre bore（33）
It is formed around one group of radial uniform retraction slot（34）；Eccentric disc（10）Pan Kou be provided with cover plate（60）, cover plate（60）Through spiral shell
Nail（70）With eccentric disc（10）Connection.
2. eccentric shaft processing clamp according to claim 1, it is characterised in that：The collet（30）External screw thread（31）
Place and cover plate（60）Central hole be provided with keyway（35）, keyway（35）Inside it is provided with flat key（36）.
3. eccentric shaft processing clamp according to claim 2, it is characterised in that：The shaft gear（50）Both sides are equipped with bearing
（90）, shaft gear（50）The bearing of both sides（90）Outer collar bearing respectively with eccentric disc（10）On swing handle stretch out hole（14）And cover plate
（60）The bearing positioning ring of inner side（61）Support connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621325106.XU CN206263615U (en) | 2016-12-05 | 2016-12-05 | A kind of eccentric shaft processing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621325106.XU CN206263615U (en) | 2016-12-05 | 2016-12-05 | A kind of eccentric shaft processing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206263615U true CN206263615U (en) | 2017-06-20 |
Family
ID=59042482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621325106.XU Active CN206263615U (en) | 2016-12-05 | 2016-12-05 | A kind of eccentric shaft processing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206263615U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772831A (en) * | 2018-09-10 | 2018-11-09 | 苏州小工匠机器人有限公司 | Robot device |
| CN109434507A (en) * | 2018-12-22 | 2019-03-08 | 山西汾西重工有限责任公司 | Less than 10 millimeters axle ends of diameter machine self-centering fixture |
| CN110340706A (en) * | 2019-07-18 | 2019-10-18 | 西安航天精密机电研究所 | A kind of eccentric shaft turning grip device and processing method |
| CN111922740A (en) * | 2020-07-06 | 2020-11-13 | 河北师范大学 | Lathe fixture of double-eccentric thin-wall sleeve |
| CN115026325A (en) * | 2022-07-29 | 2022-09-09 | 常州机电职业技术学院 | Rough turning eccentric hole clamp of eccentric wheel |
-
2016
- 2016-12-05 CN CN201621325106.XU patent/CN206263615U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772831A (en) * | 2018-09-10 | 2018-11-09 | 苏州小工匠机器人有限公司 | Robot device |
| CN109434507A (en) * | 2018-12-22 | 2019-03-08 | 山西汾西重工有限责任公司 | Less than 10 millimeters axle ends of diameter machine self-centering fixture |
| CN110340706A (en) * | 2019-07-18 | 2019-10-18 | 西安航天精密机电研究所 | A kind of eccentric shaft turning grip device and processing method |
| CN110340706B (en) * | 2019-07-18 | 2023-11-17 | 西安航天精密机电研究所 | Eccentric shaft turning clamp device and machining method |
| CN111922740A (en) * | 2020-07-06 | 2020-11-13 | 河北师范大学 | Lathe fixture of double-eccentric thin-wall sleeve |
| CN115026325A (en) * | 2022-07-29 | 2022-09-09 | 常州机电职业技术学院 | Rough turning eccentric hole clamp of eccentric wheel |
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