CN201906998U - Vertical rotating table for NC machine - Google Patents

Vertical rotating table for NC machine Download PDF

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Publication number
CN201906998U
CN201906998U CN2010206991522U CN201020699152U CN201906998U CN 201906998 U CN201906998 U CN 201906998U CN 2010206991522 U CN2010206991522 U CN 2010206991522U CN 201020699152 U CN201020699152 U CN 201020699152U CN 201906998 U CN201906998 U CN 201906998U
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CN
China
Prior art keywords
base
workbench
axle sleeve
rotary table
machine tool
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 - Lifetime
Application number
CN2010206991522U
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Chinese (zh)
Inventor
秦士来
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.)
JINJIANG WEITAN MACHINERY DEVELOPMENT Co Ltd
Original Assignee
JINJIANG WEITAN MACHINERY DEVELOPMENT 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 JINJIANG WEITAN MACHINERY DEVELOPMENT Co Ltd filed Critical JINJIANG WEITAN MACHINERY DEVELOPMENT Co Ltd
Priority to CN2010206991522U priority Critical patent/CN201906998U/en
Application granted granted Critical
Publication of CN201906998U publication Critical patent/CN201906998U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides an accurately positioned vertical rotating table for an NC machine, comprising a base, a rotating shaft, a worktable and a rotation driving device, wherein the rotating shaft is rotatably arranged on the base, the worktable is fixedly arranged at the top of the rotating shaft, the rotation driving device is arranged between the base and the rotating shaft and used for driving the worktable to rotate, the base is provided with one to four indexing positioning devices, and two to eight taper pin bushes corresponding to indexing angles are arranged at the lower surface of the worktable and uniformly distributed along the circumferential direction of the worktable.

Description

The vertical rotary table of a kind of Digit Control Machine Tool
Technical field
The utility model relates to a kind of Digit Control Machine Tool, the vertical rotary table of particularly a kind of Digit Control Machine Tool.
Background technology
With reference to figure 1, the vertical rotary table of known Digit Control Machine Tool generally comprises base 1 ', vertical rotary table and device for revolving and driving, described base 1 ' is used for fixing and supports vertical rotary table and device for revolving and driving, described vertical rotary table comprises turning cylinder 2 ' and workbench 3 ', described turning cylinder 2 ' is located on the base 1 ' by bearing rotationally, workbench 3 ' is located at turning cylinder 2 ' top, device for revolving and driving comprises CD-ROM drive motor 4 ' reductor, 5 ' driving wheel 6 ' and driven pulley 7 ', described CD-ROM drive motor 4 ' is located on the base 1 ', the input of reductor 5 ' and the output of CD-ROM drive motor 4 ' are in transmission connection, the output of reductor 5 ' and driving wheel 6 ' are in transmission connection by power transmission shaft 8 ', driving wheel 6 ' is in transmission connection with driven pulley 7 ', driven pulley 7 ' is fixedly arranged on the turning cylinder 2 ', passes through reductor 5 ' when CD-ROM drive motor 4 ' rotates like this, driving wheel 6 ' and driven pulley 7 ' drive rotary table 3 ' at last and along the circumferential direction rotate.Known this its weak point of vertical rotary table that is used for Digit Control Machine Tool is: the rotary table rotation along the circumferential direction and the driving of location dependence driving wheel 6 ' and driven pulley 7 ', and the gap error that the rotational angle of motor, driving wheel 6 ' and driven pulley 7 ' exist in engaged transmission process middle gear pair etc. all can influence rotary table location along the circumferential direction, the workpiece location that causes being located on the rotary table is not accurate enough, the machining accuracy of workpiece can't guarantee that this is the weak point of the existing vertical rotary table of Digit Control Machine Tool.
The utility model content
The purpose of this utility model provides the vertical rotary table of the accurate Digit Control Machine Tool in a kind of location.
The technical scheme that the utility model adopted is such: the vertical rotary table of a kind of Digit Control Machine Tool, comprise base, turning cylinder, workbench and device for revolving and driving, described turning cylinder is rotatable to be located on the base, workbench is fixedly arranged on the turning cylinder top, device for revolving and driving is located between base and the turning cylinder, institute's base is provided with one to four indexing positioning device, and described workbench lower surface is provided with the taper pin cover of two to eight corresponding sub-degree angles, and each taper pin cover is along the uniform setting of workbench circumferencial direction.
The vertical rotary table of above-mentioned Digit Control Machine Tool, described indexing positioning device are two, and along the uniform setting of workbench circumferencial direction.
The vertical rotary table of above-mentioned Digit Control Machine Tool, described each indexing positioning device comprises lowering or hoisting gear, universal Connection Block, alignment pin and axle sleeve, described axle sleeve is located on the base and its axis vertically extends, alignment pin can move up and down to be located on the described axle sleeve, the alignment pin end that is positioned at the axle sleeve below is and the suitable bulb of universal Connection Block, universal Connection Block is connected setting with this bulb, lowering or hoisting gear is located on base or the axle sleeve and its output is connected setting with universal Connection Block, and the alignment pin end that is positioned at the axle sleeve top is provided with and the suitable face of cylinder or the taper seat of taper pin cover.
The vertical rotary table of above-mentioned Digit Control Machine Tool, described lowering or hoisting gear is a hydraulic jack.
By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: device for revolving and driving is located at and is used to drive the workbench rotation between base and the turning cylinder, device for revolving and driving carries out calibration just to workbench, when workbench turns to corresponding processing stations, make the indexing positioning device action, the alignment pin rising makes its face of cylinder or taper seat match with the taper pin cover and realizes smart calibration, this moment workbench and on workpiece be accurately positioned, make that its precision of processed workpiece is guaranteed reliably, and the gap self adaptation that has after gear train or power train wearing and tearing is adjusted function, shows that the indexing positioning device jacking has the function of automatic centering when taper pin overlaps.
Below in conjunction with accompanying drawing the utility model is specified for an embodiment.
Description of drawings
Fig. 1 is the vertical rotary table front view of known Digit Control Machine Tool;
Fig. 2 is the front view of the vertical rotary table of Digit Control Machine Tool of the utility model embodiment;
Fig. 3 is the front view of work table rotation drive unit among Fig. 2;
Fig. 4 is the front view of workbench indexing positioning device among Fig. 2;
The specific embodiment
Referring to figs. 2 to Fig. 4, embodiment discloses the vertical rotary table of a kind of Digit Control Machine Tool, and it comprises base 1, turning cylinder 2, workbench 3, device for revolving and driving 4, two indexing positioning devices 5 and four taper pins covers 6, wherein:
Described base 1 is used for fixing and supports other each part, described turning cylinder 2 is vertical on the base 1 rotationally by two ball bearings and two roller bearings, workbench 3 is fixedly arranged on turning cylinder 2 tops, and four taper pin covers 6 along the circumferential direction evenly are located at the lower surface of workbench 3.
Described device for revolving and driving 4 is located at and is used to drive workbench 3 rotations between base 1 and the turning cylinder 2, described device for revolving and driving 4 comprises servo motor 41, reductor 42, driving shaft holder 43, driving shaft 44, driving wheel 45 and driven pulley 46, described driving shaft holder 43 is fixedly arranged on the base 1, driving shaft 44 is located on the driving shaft holder 43 rotationally by two ball bearings 441, be provided with bearing spacer 442 between two ball bearings 441, driving shaft 44 lower ends are connected with the output of reductor 42, the output of the input of reductor 42 and servo motor 41 is in transmission connection, driving wheel 45 is located at the upper end of driving shaft 44, driven pulley 46 is located on the turning cylinder 2, driving wheel 45 and driven pulley 46 transmission settings, by servo motor 41 controllers correctly being set, make workbench 3 under the control of servo motor 41, along the circumferential direction rotate 45 degree to the rotation mode of setting, 90 degree, 120 degree, various sub-degree angles such as 180 degree.Certain described device for revolving and driving 4 also can adopt traditional stepper motor driven mode, and it can realize the purpose of this utility model equally, and it is more convenient just to adopt servo motor 41 to control.
Described two indexing positioning devices 5 along the circumferential direction are symmetrically set on the base 1, described each indexing positioning device 5 comprises hydraulic jack 51, universal Connection Block 52, alignment pin 53 and axle sleeve 54, described axle sleeve 54 is located on the base 1 and its axis vertically extends, alignment pin 53 can move up and down to be located on the described axle sleeve 54, alignment pin 53 its ends that are positioned at axle sleeve 54 belows for the suitable bulb of universal Connection Block 52, universal Connection Block 52 is connected setting with this bulb, the cylinder body of hydraulic jack 51 is fixedly arranged on axle sleeve 54 belows, the piston rod of hydraulic jack 51 is connected setting with universal Connection Block 52, and alignment pin 53 ends that are positioned at axle sleeve 54 tops are provided with taper pin overlaps 6 suitable taper seats.As the mode that is equal to mutually with above-mentioned indexing positioning device, described alignment pin lower end can be a sphere or plane, the piston rod free end of described hydraulic jack contacts setting with the activity of the lower end of alignment pin, like this as long as guarantee the quality of fit of alignment pin and axle sleeve, the lifting of piston rod can not influence the axis of alignment pin, it can realize the purpose of this utility model equally, surely belongs to the scheme that is equal to mutually with the utility model.
When the Digit Control Machine Tool that is provided with this rotary table in processing work, suppose that workbench along the circumferential direction has four processing stations, it is 90 degree that the each rotating angle of servo motor is set like this, like this when workpiece after first processing stations machines, servo motor control workbench rotates 90 degree, after the workbench rotation is finished, hydraulic jack 51 moves up at the control lower piston rod of Digit Control Machine Tool electric control system, driving alignment pin 53 by universal Connection Block 52 moves up along axle sleeve 54, make the top free end of alignment pin 53 enter taper pin cover 6, because taper pin cover 6 has the conical surface, alignment pin 53 with taper pin cover 6 processes that cooperate in both longitudinal center line energy automatic centering, like this as long as accurately set the positioning accuracy of alignment pin 53 and taper pin cover 6, then workbench along the circumferential direction just can be accurately positioned at each indexing position, thereby the machining accuracy of workpiece is guaranteed.
In the utility model, the sub-degree angle of Digit Control Machine Tool is generally 45 degree, 60 degree, 90 degree, 180 etc., and the taper pin cover below the corresponding workbench generally is set at 8,6,4 and 2; One or two is just passable and indexing positioning device generally is set at.The calibration mode that certainly may also have other according to the difference of workpiece size, the indexing positioning device that utilize the thinking of dealing with problems that the utility model provides, is adopted can be realized the accurate location to workpiece, surely belongs to protection domain of the present utility model.

Claims (4)

1. vertical rotary table of Digit Control Machine Tool, comprise base, turning cylinder, workbench and device for revolving and driving, described turning cylinder is rotatable to be located on the base, workbench is fixedly arranged on the turning cylinder top, device for revolving and driving is located between base and the turning cylinder, it is characterized in that: institute's base is provided with one to four indexing positioning device, and described workbench lower surface is provided with the taper pin cover of two to eight corresponding sub-degree angles, and each taper pin cover is along the uniform setting of workbench circumferencial direction.
2. the vertical rotary table of Digit Control Machine Tool according to claim 1 is characterized in that: described indexing positioning device is two, and along the uniform setting of workbench circumferencial direction.
3. the vertical rotary table of Digit Control Machine Tool according to claim 1 and 2, it is characterized in that: described each indexing positioning device comprises lowering or hoisting gear, universal Connection Block, alignment pin and axle sleeve, described axle sleeve is located on the base and its axis vertically extends, alignment pin can move up and down to be located on the described axle sleeve, the alignment pin end that is positioned at the axle sleeve below is and the suitable bulb of universal Connection Block, universal Connection Block is connected setting with this bulb, lowering or hoisting gear is located on base or the axle sleeve and its output is connected setting with universal Connection Block, and the alignment pin end that is positioned at the axle sleeve top is provided with and the suitable face of cylinder or the taper seat of taper pin cover.
4. the vertical rotary table of Digit Control Machine Tool according to claim 3, it is characterized in that: described lowering or hoisting gear is a hydraulic jack.
CN2010206991522U 2010-12-30 2010-12-30 Vertical rotating table for NC machine Expired - Lifetime CN201906998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206991522U CN201906998U (en) 2010-12-30 2010-12-30 Vertical rotating table for NC machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206991522U CN201906998U (en) 2010-12-30 2010-12-30 Vertical rotating table for NC machine

Publications (1)

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CN201906998U true CN201906998U (en) 2011-07-27

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CN2010206991522U Expired - Lifetime CN201906998U (en) 2010-12-30 2010-12-30 Vertical rotating table for NC machine

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102059559A (en) * 2010-12-30 2011-05-18 晋江市威坦机械开发有限公司 Vertical rotary workbench of numerical control machine tool
CN102935612A (en) * 2012-11-27 2013-02-20 湖南通达汽车内饰有限责任公司 Rotary grinding operating platform
CN103878599A (en) * 2014-03-28 2014-06-25 芜湖恒升重型机床股份有限公司 Locating device and locating method for rotary working table
CN107363565A (en) * 2015-12-04 2017-11-21 刘操 A kind of twin-stage regulates and controls high-precision rotary working-table
CN107363566A (en) * 2015-12-04 2017-11-21 刘操 A kind of multi-funciton rotating table

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102059559A (en) * 2010-12-30 2011-05-18 晋江市威坦机械开发有限公司 Vertical rotary workbench of numerical control machine tool
CN102059559B (en) * 2010-12-30 2013-04-24 晋江市威坦机械开发有限公司 Vertical rotary workbench of numerical control machine tool
CN102935612A (en) * 2012-11-27 2013-02-20 湖南通达汽车内饰有限责任公司 Rotary grinding operating platform
CN103878599A (en) * 2014-03-28 2014-06-25 芜湖恒升重型机床股份有限公司 Locating device and locating method for rotary working table
CN107363565A (en) * 2015-12-04 2017-11-21 刘操 A kind of twin-stage regulates and controls high-precision rotary working-table
CN107363566A (en) * 2015-12-04 2017-11-21 刘操 A kind of multi-funciton rotating table

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20110727

Effective date of abandoning: 20130424

RGAV Abandon patent right to avoid regrant