CN110181305A - A kind of automatic capturing rotary table - Google Patents

A kind of automatic capturing rotary table Download PDF

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Publication number
CN110181305A
CN110181305A CN201910488911.6A CN201910488911A CN110181305A CN 110181305 A CN110181305 A CN 110181305A CN 201910488911 A CN201910488911 A CN 201910488911A CN 110181305 A CN110181305 A CN 110181305A
Authority
CN
China
Prior art keywords
bevel gear
gear shaft
locating piece
workpiece
bearing
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
CN201910488911.6A
Other languages
Chinese (zh)
Inventor
刘德
史耀耀
蔺小军
杨程
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.)
Northwestern Polytechnical University
Original Assignee
Northwestern Polytechnical University
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 Northwestern Polytechnical University filed Critical Northwestern Polytechnical University
Priority to CN201910488911.6A priority Critical patent/CN110181305A/en
Publication of CN110181305A publication Critical patent/CN110181305A/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
    • 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
    • B23Q3/18Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only

Abstract

The present invention relates to a kind of automatic capturing rotary tables, it is therefore intended that the problems such as solution workpiece is installed on during traditional rotary table, and centering positions heavy workload, reliability is low and the degree of automation is low.For the limitation of traditional rotary table, automation centering positioning may be implemented using rotary table automatic positioning equipment;Automatic positioning equipment is realized by precision gear transmission mechanism to the synchronous clamping of workpiece four direction, guarantees the reliability positioned to workpiece, and eliminate auxiliary locating tool;Locating detent power is relatively soft steady, realizes centering without manually tapping, and reduces the loss that centering works to workpiece.

Description

A kind of automatic capturing rotary table
Technical field
The present invention relates to machining fields, and in particular to a kind of automatic capturing rotating table device.
Background technique
Rotary table is the important component of machining tool, is applied to carrying and positioning to work piece.Work Platform is the key that realize automation processing to the reasonable clamping of workpiece and positioning.However, traditional rotary table is to workpiece Positioning and clamping generally requires cooperation manual operation and completes, and is the difficult link for realizing automation.By taking disc-like workpiece as an example, use During traditional rotary table, to the centering of workpiece there are the problem of it is mainly as follows:
(1) workpiece is installed on rotary table, is needed by by hand to workpiece centering positioning, inefficiency.
(2) workpiece centering is affected by the auxiliary tools such as operator's experience and percentage meter accuracy, and reliability is low.
(3) it during workpiece centering, needs operation, the defective work piece such as dowel hole to be arranged on workpiece and taps workpiece Surface quality.
Summary of the invention
Technical problem solved by the present invention is being installed on traditional rotary table mistake it is an object of the invention to solve workpiece The problems such as Cheng Zhong, centering positions heavy workload, reliability is low and the degree of automation is low.For the limitation of traditional rotary table Property, automation centering positioning may be implemented using rotary table automatic positioning equipment;Automatic positioning equipment passes through precision gear Transmission mechanism is realized to the synchronous clamping of workpiece four direction, guarantees the reliability positioned to workpiece, and eliminate auxiliary positioning work Tool;Locating detent power is relatively soft steady, realizes centering without manually tapping, and reduces the loss that centering works to workpiece.
The technical scheme is that a kind of automatic capturing rotary table, including revolution table top, end cap, supporting block, axis Hold A, bearing B, bevel gear shaft A, bevel gear shaft B, first gear, second gear, locating piece and driving assembly;Wherein supporting block and Locating piece upper part is higher than revolution table top upper surface, and remaining part is lower than revolution table top upper surface;
The supporting block is located at turn around table top center, is connected at bottom and revolution table top center;Bevel gear shaft A is three, Bevel gear shaft B is one, and four bevel gear shafts are circumferentially distributed in 90 degree of intervals;Screw thread is provided on bevel gear shaft, and to top direction Bevel gear shaft thread rotary orientation it is consistent;The thread rotary orientation in adjacent direction is opposite;The one end bevel gear shaft A is sequentially coaxially connected with bearing B And first gear, the other end are fixed by end cap, bearing A is mounted on one end that proximal cover is leaned on bevel gear shaft A;Bevel gear The one end axis B is sequentially coaxially connected with bearing B and second gear, and the other end is fixed by end cap, and bearing A is mounted on bevel gear shaft One end of proximal cover is leaned on B;Four first gears and second gear are positioned opposite along supporting block axis, and four intermeshings; Locating piece is respectively equipped on bevel gear shaft, and locating piece and bevel gear shaft are to be threadedly coupled;Driving assembly drives the second tooth first Wheel rotation so that first gear be driven to rotate, and then drives the rotation of bevel gear shaft A and bevel gear shaft B, and final realize is mounted on Locating piece displacement on bevel gear shaft.
A further technical solution of the present invention is: the driving component include motor, shaft coupling, differential bevel wheel axis and Third gear;Electrical power rotation drives the rotation of differential bevel wheel axis by shaft coupling, so that third gear is driven to rotate, And then drive second gear rotation.
A further technical solution of the present invention is: the locating piece be high precision screw structure or ball screw arrangement, In close to supporting block one side be planarea, for being positioned to excircle of workpiece;One side far from supporting block is arc surface, is used It is positioned in workpiece inner circle.
A further technical solution of the present invention is: the supporting block is stepped cylindrical body, bigger diameter end and revolution table top are connected, Axis is mutually perpendicular to revolution table top.
Invention effect
The technical effects of the invention are that:
1. gear set structure synchronization rotates, to guarantee locating piece to workpiece synchronous clamping or loosen.
2. being bonded close, guarantee gear set rotation synchronism and then the synchronism for ensuring locating piece transmission between bevel gear.
3. supporting block surface is smooth, suffered frictional resistance, works during reduction workpiece centering convenient for centering Go on smoothly.
4. the components such as gear set, threaded rod, bearing and motor need to be located at turn around platform in addition to supporting block and locating piece Under the upper surface in face.
Detailed description of the invention
Fig. 1 is the cross-sectional view of automatic capturing rotary table;
Fig. 2 is bevel gear shaft A and its portion of connecting component fills figure;
Fig. 3 is portion's dress figure of differential bevel wheel axis and bevel gear shaft B and its connecting component;
Fig. 4 is the main view and top view of end cap;Wherein (a) is main view, (b) is top view
Fig. 5 is the main view of differential bevel wheel axis;
Fig. 6 is the main view of bevel gear shaft A;
Fig. 7 is the main view of bevel gear shaft B;
Fig. 8 is the main view and top view of supporting block;Wherein (a) is top view, (b) is main view
Fig. 9 is the main view and left view of locating piece;Wherein (a) is left view, (b) is main view
Figure 10 is main view, top view and the left view for turning round table top.Wherein (a) is top view, (b) is left view, (c) For main view
Description of symbols: 1-end cap;2-bearing A;3-axle sleeves;4-bevel gear shaft A;5-locating pieces;6-motors; 7-shaft couplings;8-differential bevel wheel axis;9-bearing B;10-bevel gear shaft B;11-supporting blocks;12-revolution table tops; 13-bolts;14-gaskets;15-first gears;16-second gears;17-third gears;
Specific embodiment
Referring to Fig. 1-Figure 10, automatic revolving table, including end cap 1, bearing A 2, axle sleeve 3, bevel gear shaft A 4, positioning Block 5, motor 6, shaft coupling 7, differential bevel wheel axis 8, bearing B 9, bevel gear shaft B 10, supporting block 11, revolution table top 12, spiral shell Bolt 13, gasket 14.Bevel gear shaft A 4 is connected with 9 pairs of bevel gear shaft B tops and is installed in the groove of revolution table top 12;Locating piece 5 are installed on bevel gear shaft A 4 (or bevel gear shaft B 10), and bearing B 9 is installed on close to gear side, axle sleeve 2 and bearing A 3 are successively installed on the end bevel gear shaft A 4 (or bevel gear shaft B 10), and end cap 1 is by bolt 13 and gasket 14 to bevel gear shaft A4 (or bevel gear shaft B 10) is positioned;Differential bevel wheel axis 8 is meshed with bevel gear shaft B 10 by gear, bearing B 9 are installed on differential bevel wheel axis 8 close to gear side, and motor 6 is connected by shaft coupling 7 with differential bevel wheel axis 8.
Driving assembly drives second gear 16 to rotate first, to drive first gear 15 to rotate, and then with dynamic bevel gear 5 displacement of locating piece being mounted on bevel gear shaft is finally realized in the rotation of axis A4 and bevel gear shaft B10.
It is consistent to the thread rotary orientation of the bevel gear shaft A4 or bevel gear shaft B 10 in top direction;The thread rotary orientation phase in adjacent direction Instead.The central point of four locating pieces is exactly the geometric center position of rotary table.To guarantee that four locating pieces can be same When inwardly or outwardly move.
Locating piece 5 can select high precision screw structure or ball screw arrangement according to the actual application.
The inside of locating piece 5 is that linear structure can carry out centering positioning to workpiece by excircle of workpiece, is on the outside of locating piece 5 Arc structure can carry out centering positioning to workpiece by workpiece inner circle.
The surface of supporting block 11 is smooth, guarantees in position fixing process, workpiece suffered frictional resistance in supporting block is smaller.
The present apparatus course of work are as follows: workpiece is placed in supporting block 11, motor 6, which is powered, to be rotated, and is driven by shaft coupling 7 Differential bevel wheel axis 8 rotates, so that third gear 17 be driven to rotate, and then second gear 16 is driven to rotate.Driving assembly is logical Second gear of overdriving 16 rotates, and first gear 15 can be driven to rotate, and then drives bevel gear shaft A4's and bevel gear shaft B10 Rotation, finally realizes 5 displacement of locating piece being mounted on bevel gear shaft.It realizes and the centering of workpiece is positioned or loosened Journey.It is using fixture that workpiece is fixed on the table after the completion of centering positioning, complete centering position fixing process.
Bevel gear shaft A and bevel gear shaft B connects top and is installed in the groove of revolution table top;Locating piece is installed on cone tooth On wheel shaft A (or bevel gear shaft B), bearing B is installed on close to gear side, and axle sleeve and bearing A are successively installed on bevel gear shaft A The end (or bevel gear shaft B), end cap position bevel gear shaft A (or bevel gear shaft B) by bolt and gasket;Main transmission cone Gear shaft is meshed with bevel gear shaft B by gear structure, and bearing B is installed on differential bevel wheel axis close to gear side, electricity Machine is connected by shaft coupling with differential bevel wheel axis.
It is consistent to the hand of spiral of the bevel gear shaft A4 or bevel gear shaft B 10 in top direction;The thread rotary orientation phase in adjacent direction Instead.It is inwardly or outwardly moved to guarantee that four locating pieces can synchronize.And the central point and rotary table of four locating pieces Geometric center coincide.
Locating piece 5 can select high precision screw structure or ball screw arrangement according to the actual application.
The smooth surface of supporting block 11, guarantee position fixing process in, workpiece can in supporting block suffered frictional resistance It is smaller.
The present apparatus course of work are as follows: workpiece is placed in supporting block, opens motor, motor drives main biography by shaft coupling The rotation of dynamic bevel gear axis, is meshed between differential bevel wheel axis and bevel gear shaft B by gear structure.Pass through gear drive knot Structure drives entire bevel gear set to rotate.Bevel gear shaft A or bevel gear shaft B rotation, and four are driven by helicitic texture on gear shaft A locating piece synchronization inwardly or outwardly moves.Due to locating piece center be rotary table geometric center, locating piece Drawing close to excircle of workpiece or expanding to workpiece inner circle promotes the central point of workpiece and the geometric center of rotary table to coincide.From And realize the centering process to workpiece.It is using fixture that workpiece is fixed on the table after the completion of centering, it is complete to complete centering positioning Process.
Technical solution of the present invention is further elaborated below with reference to each attached drawing.
Bevel gear shaft A 4 is connected with 9 pairs of bevel gear shaft B tops and is installed in the groove of revolution table top 12;Locating piece 5 is pacified Loaded on bevel gear shaft A 4 (or bevel gear shaft B 10), bearing B 9 is installed on close to gear side, axle sleeve 2 and bearing A 3 It is successively installed on the end bevel gear shaft A 4 (or bevel gear shaft B 10), end cap 1 is by bolt 13 and gasket 14 to bevel gear shaft A4 (or bevel gear shaft B 10) is positioned;Differential bevel wheel axis 8 is meshed with bevel gear shaft B 10 by gear, bearing B 9 Differential bevel wheel axis 8 is installed on close to gear side, motor 6 is connected by shaft coupling 7 with differential bevel wheel axis 8.
As shown in Fig. 2, bearing A2 and bearing B9 carries out axially position to bevel gear shaft A4.End cap 1, bearing A2, axle sleeve 3 with And bearing B9 carries out axially position to bevel gear B10 jointly.Locating piece 5 is installed on bevel gear shaft A4, with bevel gear shaft A4 Rotation, locating piece 5 moved along a straight line on bevel gear shaft A4 by screw-driven (or ball screw arrangement).Locating piece 5 Inside be linear structure, be mainly used for positioning excircle of workpiece;It is arc structure on the outside of locating piece, is mainly used for work Part inner circle is positioned.
As shown in figure 3, differential bevel wheel axis 8 by bearing B9 carry out it is axial with it is circumferentially positioned.Differential bevel wheel axis 8 It is engaged between bevel gear shaft B10 for gear, differential bevel wheel axis 8 can drive bevel gear shaft B10 to rotate, bevel gear shaft B10 Locating piece 5 is driven to realize linear motion by screw drive structure.The inside of locating piece 5 is linear structure, is mainly used for work Part outer circle is positioned;It is arc structure on the outside of locating piece, is mainly used for positioning workpiece inner circle.
As shown in Figure 1, each bevel gear shaft is installed on revolution table top 12, and in addition to locating piece 5 and supporting block 11, Remaining part part is lower than revolution 12 upper surface of table top.Thread rotary orientation in the bevel gear shaft to top position is consistent, and tooth is bored in adjacent position Wheel shaft is oppositely oriented, and differential bevel wheel axis 8 drives bevel gear shaft A4 and bevel gear shaft B10 to rotate together, and then drives Locating piece 5 comes closer or expands outwardly along Linear Synchronous, and the position fixing process to workpiece is completed by outer circle or inner circle.

Claims (4)

1. a kind of automatic capturing rotary table, which is characterized in that including revolution table top (12), end cap (1), supporting block (11), Bearing A (2), bearing B (9), bevel gear shaft A (4), bevel gear shaft B (10), first gear (15), second gear (16), locating piece (5) and driving assembly;Wherein supporting block (11) and locating piece (5) upper part are higher than revolution table top (12) upper surface, remaining part Part is lower than revolution table top (12) upper surface;
The supporting block (11) is located at turn around table top (12) center, is connected at bottom and revolution table top (12) center;Bevel gear shaft A It (4) is three, bevel gear shaft B (10) is one, and four bevel gear shafts are circumferentially distributed in 90 degree of intervals;Spiral shell is provided on bevel gear shaft Line, and it is consistent to the bevel gear shaft thread rotary orientation in top direction;The thread rotary orientation in adjacent direction is opposite;(4) one end bevel gear shaft A according to Secondary to be coaxially connected with bearing B (9) and first gear (15), the other end is fixed by end cap, and bearing A (2) is mounted on bevel gear The one end of proximal cover (1) is leaned on axis A (4);Bevel gear shaft B (10) one end is sequentially coaxially connected with bearing B (9) and second gear (16), the other end is fixed by end cap, and bearing A (2) is mounted on one end that proximal cover (1) is leaned on bevel gear shaft B (10);Four A first gear (15) and second gear (16) are positioned opposite along supporting block (11) axis, and four intermeshings;Bevel gear shaft On be respectively equipped with locating piece (5), and locating piece and bevel gear shaft are to be threadedly coupled;Driving assembly drives second gear (16) first Rotation so that first gear (15) be driven to rotate, and then drives the rotation of bevel gear shaft A (4) and bevel gear shaft B (10), finally Realize locating piece (5) displacement being mounted on bevel gear shaft.
2. a kind of automatic capturing rotary table as described in claim 1, which is characterized in that the driving component includes motor (6), shaft coupling (7), differential bevel wheel axis (8) and third gear (17);Motor (6), which is powered, to be rotated, and shaft coupling (7) band is passed through Dynamic differential bevel wheel axis (8) rotation so that third gear (17) be driven to rotate, and then drives second gear (16) rotation.
3. a kind of automatic capturing rotary table as described in claim 1, which is characterized in that the locating piece (5) is high-precision Helicitic texture or ball screw arrangement are spent, wherein the one side close to supporting block (11) is planarea, for carrying out to excircle of workpiece Positioning;One side far from supporting block (11) is arc surface, for positioning to workpiece inner circle.
4. a kind of automatic capturing rotary table as described in claim 1, which is characterized in that the supporting block (11) is ladder Column, bigger diameter end and revolution table top (12) are connected, and axis is mutually perpendicular to revolution table top (12).
CN201910488911.6A 2019-06-06 2019-06-06 A kind of automatic capturing rotary table Pending CN110181305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910488911.6A CN110181305A (en) 2019-06-06 2019-06-06 A kind of automatic capturing rotary table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910488911.6A CN110181305A (en) 2019-06-06 2019-06-06 A kind of automatic capturing rotary table

Publications (1)

Publication Number Publication Date
CN110181305A true CN110181305A (en) 2019-08-30

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CN201910488911.6A Pending CN110181305A (en) 2019-06-06 2019-06-06 A kind of automatic capturing rotary table

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111168414A (en) * 2020-01-16 2020-05-19 温州职业技术学院 Novel automatic alignment rotary worktable

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140055091A (en) * 2012-10-30 2014-05-09 김배석 Universal chuck
CN203843215U (en) * 2014-04-26 2014-09-24 湖南利欧泵业有限公司 Self-centering chuck for vertical lathe
CN105772771A (en) * 2016-04-11 2016-07-20 浙江辛子精工机械股份有限公司 Precise self-centering chuck suitable for super-large workpieces
CN208033701U (en) * 2018-03-30 2018-11-02 马鞍山市安耐特回转支承有限公司 A kind of claw can single action pivoting support four paws self-centering chuck

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140055091A (en) * 2012-10-30 2014-05-09 김배석 Universal chuck
CN203843215U (en) * 2014-04-26 2014-09-24 湖南利欧泵业有限公司 Self-centering chuck for vertical lathe
CN105772771A (en) * 2016-04-11 2016-07-20 浙江辛子精工机械股份有限公司 Precise self-centering chuck suitable for super-large workpieces
CN208033701U (en) * 2018-03-30 2018-11-02 马鞍山市安耐特回转支承有限公司 A kind of claw can single action pivoting support four paws self-centering chuck

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111168414A (en) * 2020-01-16 2020-05-19 温州职业技术学院 Novel automatic alignment rotary worktable

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Application publication date: 20190830