CN104175151A - Eccentric shaft positioning clamping device and clamping method - Google Patents

Eccentric shaft positioning clamping device and clamping method Download PDF

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Publication number
CN104175151A
CN104175151A CN201410388800.5A CN201410388800A CN104175151A CN 104175151 A CN104175151 A CN 104175151A CN 201410388800 A CN201410388800 A CN 201410388800A CN 104175151 A CN104175151 A CN 104175151A
Authority
CN
China
Prior art keywords
clamping
workpiece
guide rail
base
assembly
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.)
Pending
Application number
CN201410388800.5A
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Chinese (zh)
Inventor
骆为祥
王成
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.)
Johnson Precision Engineering Suzhou Co Ltd
Original Assignee
Johnson Precision Engineering Suzhou 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 Johnson Precision Engineering Suzhou Co Ltd filed Critical Johnson Precision Engineering Suzhou Co Ltd
Priority to CN201410388800.5A priority Critical patent/CN104175151A/en
Publication of CN104175151A publication Critical patent/CN104175151A/en
Pending legal-status Critical Current

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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
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • 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
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum

Abstract

The invention discloses an eccentric shaft positioning clamping device. The eccentric shaft positioning clamping device comprises a supporting post and a base; a guide rail is fixedly mounted at the middle position on the upper surface of the base, and extends in the front and rear direction; movable components are mounted at the front end and the rear end of the guide rail respectively; V-shaped blocks are arranged on the left side and the right side at the middle position of the guide rail respectively; a tailstock component is arranged on the outer side of one V-shaped block; a corresponding limiting block is arranged on the inner side of the other V-shaped block; clamping positions of the limiting block, the tailstock component and the two V-shaped blocks are on a same horizontal line; an elastic bolt is arranged on the tailstock component, and is matched with the limiting block to fulfill axial positioning of a workpiece; a plurality of compressing components are fixedly mounted on the front side of the base. According to the invention, limiting of four freedom degrees in the upper direction, the lower direction, the front direction and the rear direction of the shaft is conducted through the designed V-shaped positioning blocks; the shaft center can be aligned automatically; a processed groove center and the eccentric shaft center are ensured to be on the same straight line; requirements of positional tolerance and symmetry degree on products are fully met.

Description

A kind of eccentric shaft positioning clamping device and clamping method
Technical field
The present invention relates to mechanical manufacturing field, relate in particular to a kind of eccentric shaft positioning clamping device and clamping method.
Background technology
Machine-building be unable to do without Metal Cutting Machine Tool, and machine tool clamping device is assurance mechanical processing quality, enhances productivity, reduces labor intensity, reduces the excessive demand of workman's technology, realizes one of indispensable important process equipment of Automation of Manufacturing Process.Machine tool clamping device is widely used in manufacturing industry, and the use of a large amount of special purpose machine tool clamping devices provides necessary condition for producing in enormous quantities.When workpiece, finished after line in the past, with chuck, by line, installed, reprocessing endoporus.In the process of proofreading and correct, to adjust while being clipped in two pawl on the face of cylinder, workpiece produces and rolls, and the center line in the hole that makes to rule produces angle displacement, is difficult to workpiece correction, and produces processing waste product.People have manufactured and designed clamping device for this reason, and by use for many years, effect is fine.
Along with processing manufacturing industry develops rapidly, higher to the precision of process component and production efficiency requirement, performance work in-process operation is concentrated, people's multimachine, and the form processing of a plurality of parts of a machine is widely adopted.Then also more and more higher to the requirement of frock clamping device, pneumatic and two kinds of more advanced frock clamping devices of hydraulic pressure have been there are, the appearance of these advanced installation way has changed the locate mode that tradition is adjusted by artificial clamping, improved machining accuracy, shorten processing non-cutting time, improved production efficiency.
In transmission mechanism, generally the eccentric part such as conventional eccentric shaft or bent axle completes gyration and moves back and forth the function of conversion mutually, thus eccentric part in machine driving, apply very extensive.Conventional turning clamping method is: with two top clamping workpieces, with three-jaw self-centering chuck clamping workpiece, use four-jaw chuck clamping workpiece.Because of product requirement, need on manufactured eccentric shaft, carry out Milling Process, this just need to effectively locate and fix product, so that processing, and existing clamping method adopts Bidirectional flat-nose pliers location to clamp, or adopt three-jaw self-centering chuck mode to carry out clamping.But these clamping positioning methods are all difficult to guarantee its precision on position degree and symmetry, and discontinuity can produce distortion, and the clamping time is longer, and efficiency is low.
Summary of the invention
The present invention aims to provide a kind of eccentric shaft positioning clamping device and clamping method.
For realizing above-mentioned technical purpose, the present invention by the following technical solutions, a kind of eccentric shaft positioning clamping device, comprise support column and base, support column is located at the below of base, base is played a supportive role, the upper surface centre position of base is installed with guide rail, guide rail is front and back to extension, a moving assembly is respectively equipped with in the front and back end of guide rail, moving assembly can slide in the front and back end of guide rail respectively, moving assembly is realized the movement on guide rail under the effect of cylinder, guide rail centre position be each side provided with a V-block, two V-blocks are all fixed on base, the outside of one of them V-block is provided with tailstock component, the inner side of another V-block is provided with corresponding limited block, limited block, the clamping of tailstock component and two V-blocks is everywhere on same level line, tailstock component and limited block are all fixed on base, described tailstock component is provided with elasticity screw, matched with the limited block axial location of workpiece of elasticity screw, the front side of base is also installed with several and holds down assembly, hold down assembly and be located at respectively the left side of guide rail, centre position and right side, hold down assembly and under the effect of cylinder, realize the compression of workpiece and unclamp.
As preferably, described in hold down assembly and be provided with 3, hold down assembly and be located at respectively left side, centre position and the right side of guide rail.
As preferably, described clamping device also comprises control panel, and control panel is perpendicular to base and be fixedly connected on base, is fixed with two joysticks on control panel, and one of them controls the movement of moving assembly, the compression that another control holds down assembly with unclamp.
Eccentric shaft positioning and clamping method in the present invention, comprises the following steps:
1) workpiece, is placed on workpiece to be processed on clamping device, and two V-blocks by guide rail both sides carry out spacing to the cylinder at workpiece two ends;
2) workpiece axial location, after workpiece completes, is placed on eccentric shaft on clamping device, by the elasticity screw on tailstock component, by eccentric part left side and limited block end contact, it is axially positioned;
3) workpiece is circumferentially located, and after workpiece axial location completes, rotates joystick, and control cylinder drives two moving assemblies to centre, to move simultaneously, under eccentric effect, adjusts to beeline, thereby workpiece is circumferentially located, and prevents from rotating;
4) Work-sheet pressing, workpiece rotates another joystick after circumferentially having located, and three of control cylinder drives hold down assembly to work simultaneously the two ends of workpiece and middle part are compressed;
5) clamping completes, and starts processing.
A kind of eccentric shaft positioning clamping device provided by the invention, V-type locating piece by design carries out spacing to four of the upper and lower fore-and-aft direction of axle frees degree, automatic alignment positive axis center, guarantee that the groove center of processing and the center of eccentric shaft are at straight line, fully guaranteed the position degree of product, symmetry requirement, directions X is contacted with eccentric axial plane and is coordinated location by 2 of right locating pieces, left limit piece passes through movable spring, guarantee that the sufficient clamping of eccentric shaft puts in place, guarantee that axle is under nature, not because dynamics size causes distortion, also reach easily and put, the effect of easily getting, product appearance is also difficult for being scratched, guarantee the machining accuracy of its eccentric shaft.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the structural representation of the embodiment of the present invention.
In figure: 1, support column; 2, base; 3, control panel; 4, workpiece; 5, joystick; 6, moving assembly; 7, guide rail; 8, limited block; 9, hold down assembly; 10, V-block; 11, tailstock component.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Below with reference to Fig. 1, describe according to a kind of eccentric shaft positioning clamping device of the embodiment of the present invention, comprise support column 1 and base 2, support column 1 is located at the below of base 2, base 2 is played a supportive role, the upper surface centre position of base 2 is installed with guide rail 7, guide rail 7 is front and back to extension, a moving assembly 6 is respectively equipped with in the front and back end of guide rail 7, moving assembly 6 can slide in the front and back end of guide rail 7 respectively, moving assembly 6 is realized the movement on guide rail 7 under the effect of cylinder, guide rail 7 centre positions be each side provided with a V-block 10, two V-blocks 10 are all fixed on base 2, the outside of one of them V-block 10 is provided with tailstock component 11, the inner side of another V-block 10 is provided with corresponding limited block 8, limited block 8, the clamping of tailstock component 11 and two V-blocks 10 is everywhere on same level line, tailstock component 11 is all fixed on base 2 with limited block 8, described tailstock component 11 is provided with elasticity screw, matched with limited block 8 axial location of workpiece 4 of elasticity screw, the front side of base 2 is also installed with several and holds down assembly 9, 9 left sides that are located at respectively guide rail 7 hold down assembly, centre position and right side, hold down assembly 9 under the effect of cylinder, realize to the compression of workpiece 4 with unclamp.
As preferably, described in hold down assembly and 9 be provided with 3,9 left side, centre position and the right sides that are located at respectively guide rail 7 hold down assembly.
As preferably, described clamping device also comprises control panel 3, and control panel 3 is perpendicular to base 2 and be fixedly connected on base 2, is fixed with two joysticks 5 on control panel 3, one of them controls the movement of moving assembly 6, another control hold down assembly 9 compression with unclamp.
Eccentric shaft positioning and clamping method in the present invention, comprises the following steps:
1) workpiece, is placed on workpiece to be processed 4 on clamping device, and the cylinder at 10 pairs of workpiece 4 two ends of two V-blocks by guide rail 7 both sides carries out spacing;
2) workpiece axial location, workpiece 4 is spacing complete after, eccentric shaft is placed on clamping device, by the elasticity screw on tailstock component 11, by eccentric part left side and limited block 8 end contacts, it is axially positioned;
3) workpiece is circumferentially located, and after workpiece 4 axial location complete, rotates joystick 5, and control cylinder drives two moving assemblies 6 to centre, to move simultaneously, under eccentric effect, adjusts to beeline, thereby workpiece 4 is circumferentially located, and prevents from rotating;
4) Work-sheet pressing, workpiece 4 rotates another joystick 10 after circumferentially locate, and control cylinder drives three to hold down assembly and 9 work the two ends of workpiece 4 and middle part compression simultaneously;
5) clamping completes, and starts processing.
A kind of eccentric shaft positioning clamping device provided by the invention, V-type locating piece by design carries out spacing to four of the upper and lower fore-and-aft direction of axle frees degree, automatic alignment positive axis center, guarantee that the groove center of processing and the center of eccentric shaft are at straight line, fully guaranteed the position degree of product, symmetry requirement, directions X is contacted with eccentric axial plane and is coordinated location by 2 of right locating pieces, left limit piece passes through movable spring, guarantee that the sufficient clamping of eccentric shaft puts in place, guarantee that axle is under nature, not because dynamics size causes distortion, also reach easily and put, the effect of easily getting, product appearance is also difficult for being scratched, guarantee the machining accuracy of its eccentric shaft.
In the description of this description, the description of reference term " embodiment ", " example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.

Claims (4)

1. an eccentric shaft positioning clamping device, it is characterized in that, comprise support column and base, support column is located at the below of base, base is played a supportive role, the upper surface centre position of base is installed with guide rail, guide rail is front and back to extension, a moving assembly is respectively equipped with in the front and back end of guide rail, moving assembly can slide in the front and back end of guide rail respectively, moving assembly is realized the movement on guide rail under the effect of cylinder, guide rail centre position be each side provided with a V-block, two V-blocks are all fixed on base, the outside of one of them V-block is provided with tailstock component, the inner side of another V-block is provided with corresponding limited block, limited block, the clamping of tailstock component and two V-blocks is everywhere on same level line, tailstock component and limited block are all fixed on base, described tailstock component is provided with elasticity screw, matched with the limited block axial location of workpiece of elasticity screw, the front side of base is also installed with several and holds down assembly, hold down assembly and be located at respectively the left side of guide rail, centre position and right side, hold down assembly and under the effect of cylinder, realize the compression of workpiece and unclamp.
2. clamping device according to claim 1, is characterized in that, described in hold down assembly and be provided with 3, hold down assembly and be located at respectively left side, centre position and the right side of guide rail.
3. clamping device according to claim 1, it is characterized in that, described clamping device also comprises control panel, control panel is perpendicular to base and be fixedly connected on base, on control panel, be fixed with two joysticks, one of them controls the movement of moving assembly, the compression that another control holds down assembly with unclamp.
4. according to the eccentric shaft positioning and clamping method described in claims 1 to 3 any one, it is characterized in that, comprise the following steps:
1) workpiece, is placed on workpiece to be processed on clamping device, and two V-blocks by guide rail both sides carry out spacing to the cylinder at workpiece two ends;
2) workpiece axial location, after workpiece completes, is placed on eccentric shaft on clamping device, by the elasticity screw on tailstock component, by eccentric part left side and limited block end contact, it is axially positioned;
3) workpiece is circumferentially located, and after workpiece axial location completes, rotates joystick, and control cylinder drives two moving assemblies to centre, to move simultaneously, under eccentric effect, adjusts to beeline, thereby workpiece is circumferentially located, and prevents from rotating;
4) Work-sheet pressing, workpiece rotates another joystick after circumferentially having located, and three of control cylinder drives hold down assembly to work simultaneously the two ends of workpiece and middle part are compressed;
5) clamping completes, and starts processing.
CN201410388800.5A 2014-08-10 2014-08-10 Eccentric shaft positioning clamping device and clamping method Pending CN104175151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410388800.5A CN104175151A (en) 2014-08-10 2014-08-10 Eccentric shaft positioning clamping device and clamping method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410388800.5A CN104175151A (en) 2014-08-10 2014-08-10 Eccentric shaft positioning clamping device and clamping method

Publications (1)

Publication Number Publication Date
CN104175151A true CN104175151A (en) 2014-12-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104764390A (en) * 2015-03-26 2015-07-08 宁波祥瑞机械有限公司 Measurement tool for measuring symmetry of eccentric shaft
CN105881060A (en) * 2014-12-19 2016-08-24 黎平白娘子药业科研开发有限公司 Novel power source cover strip machining tool

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10315064A (en) * 1997-05-13 1998-12-02 Nippon Steel Corp Shaft part positioning device
CN202200065U (en) * 2011-07-29 2012-04-25 河南宇建矿业技术有限公司 Axial self-centering clamp
CN202571945U (en) * 2012-03-23 2012-12-05 福昌精密制品(深圳)有限公司 Tooling and clamping device for processing long-shaft parts by milling machine
CN202622384U (en) * 2012-05-21 2012-12-26 江苏罡阳股份有限公司 Eccentric shaft machining clamp
CN202780620U (en) * 2012-09-12 2013-03-13 大连升隆机械有限公司 Adjustable drilling clamp for shaft
CN103624679A (en) * 2013-11-19 2014-03-12 重庆风过旗扬科技发展有限公司 Eccentric-shaft clamping device
CN204053584U (en) * 2014-08-10 2014-12-31 强胜精密机械(苏州)有限公司 A kind of eccentric shaft positioning clamping device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10315064A (en) * 1997-05-13 1998-12-02 Nippon Steel Corp Shaft part positioning device
CN202200065U (en) * 2011-07-29 2012-04-25 河南宇建矿业技术有限公司 Axial self-centering clamp
CN202571945U (en) * 2012-03-23 2012-12-05 福昌精密制品(深圳)有限公司 Tooling and clamping device for processing long-shaft parts by milling machine
CN202622384U (en) * 2012-05-21 2012-12-26 江苏罡阳股份有限公司 Eccentric shaft machining clamp
CN202780620U (en) * 2012-09-12 2013-03-13 大连升隆机械有限公司 Adjustable drilling clamp for shaft
CN103624679A (en) * 2013-11-19 2014-03-12 重庆风过旗扬科技发展有限公司 Eccentric-shaft clamping device
CN204053584U (en) * 2014-08-10 2014-12-31 强胜精密机械(苏州)有限公司 A kind of eccentric shaft positioning clamping device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105881060A (en) * 2014-12-19 2016-08-24 黎平白娘子药业科研开发有限公司 Novel power source cover strip machining tool
CN104764390A (en) * 2015-03-26 2015-07-08 宁波祥瑞机械有限公司 Measurement tool for measuring symmetry of eccentric shaft

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Application publication date: 20141203

RJ01 Rejection of invention patent application after publication