CN107414108A - A kind of tailstock center device of adjustable machining accuracy - Google Patents
A kind of tailstock center device of adjustable machining accuracy Download PDFInfo
- Publication number
- CN107414108A CN107414108A CN201611135901.7A CN201611135901A CN107414108A CN 107414108 A CN107414108 A CN 107414108A CN 201611135901 A CN201611135901 A CN 201611135901A CN 107414108 A CN107414108 A CN 107414108A
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- CN
- China
- Prior art keywords
- support block
- base
- machining accuracy
- center device
- barrel
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/02—Dead centres
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The invention discloses a kind of tailstock center device of adjustable machining accuracy, the device is moved and withstood on the centre bore of circular shaft type workpiece one end in the presence of drive mechanism along its length, the other end of circular shaft type workpiece is clamped by scroll chuck, scroll chuck is rotatable and drives circular shaft type workpiece to rotate, and the device includes：Base, support block, barrel of tail stock, main shaft and top, support block is arranged on base, barrel of tail stock is connected in support block, main shaft is arranged in barrel of tail stock, and it can be rotated relative to barrel of tail stock, the top end for being fixedly installed on main shaft, and it is top positioned at the outside of barrel of tail stock, the axial regulating mechanism and radiai adjustment mechanism for being used for adjusting top positional precision are provided between support block and base.The present invention can adjust top right position precision and top front and back position precision.
Description
Technical field
The present invention relates to machine tooling technical field, in particular to a kind of tailstock center of adjustable machining accuracy
Device.
Background technology
Tailstock is one of part important on lathe, and it serves the effect of key on lathe, and tailstock body is arranged on machine
On guide rail on bed, the sleeve on tailstock is top for installing, top that positioning action is played during lathe process, with support
The right-hand member of longer workpiece, it can limit the free degree of processing part together with main shaft, and can feel relieved workpiece, therefore top essence
Degree requires very high.
To make the axial line of tailstock in part process and the axial line of lathe spindle keep higher axiality and
Linearity, in workpiece process is carried out it is general it is top before and after support workpiece, to position the pivot of workpiece, and
Bear cutter caused cutting force in process.
In Digit Control Machine Tool, in the lathe for especially possessing tailstock center mechanism, we are frequently encountered such one kind
Situation：Within a period of time, tailstock center precision is good, but after using a period of time, due to a variety of causes, tailstock center
Precision is varied from, and according to correlation technique, can not now adjust top position, so as to cause part processing precision relatively low, very
Occur to there is the underproof phenomenon of forming part, so as to cause processing cost too high.
The content of the invention
It is contemplated that solves one of above-mentioned technical problem to a certain extent.
In view of this, the invention provides a kind of tailstock center device of adjustable machining accuracy, the adjustable top of the device
The right position precision and top front and back position precision of point.
In order to solve the above technical problems, the present invention provides a kind of tailstock center device of adjustable machining accuracy, the device
Move and withstood on the centre bore of circular shaft type workpiece one end along its length in the presence of drive mechanism, the circular shaft type work
The other end of part is clamped by scroll chuck, and the scroll chuck is rotatable and drives the circular shaft type workpiece to rotate, the device bag
Include：Base, support block, barrel of tail stock, main shaft and top, the support block is arranged on the base, and the barrel of tail stock connects
It is connected in the support block, the main shaft is arranged in the barrel of tail stock, and can be rotated relative to the barrel of tail stock, described
The top end for being fixedly installed on the main shaft, and it is described top positioned at the outside of the barrel of tail stock, the support block and institute
State the axial regulating mechanism and radiai adjustment mechanism for being provided between base and being used for adjusting the top positional precision.
Further, the middle part of the base is provided with groove, length direction insertion of the groove along the base, the branch
Bracer is arranged in the groove, and the support block can move along the length direction of the groove, and the support block can be along institute
State the width movement of groove.
Further, the side wall of the base is tapered structure body, and the tapered structure body is provided with multiple sunk-in through-openings, described
The sunk-in through-opening on base bilateral wall is symmetrical arranged.
Further, the radiai adjustment mechanism includes multiple adjusting screws being arranged in the sunk-in through-opening, the tune
Section screw is held out against in the side wall of the support block.
Further, the end of the support block is provided with protuberance, the end that the protuberance passes through fixture and the base
Portion is connected.
Further, the axial regulating mechanism include be set on the fixture outer ring adjusting gasket, be fixed on bottom
Locating dowel on seat and the U-type groove body being engaged with the locating dowel, the U-type groove body vertically run through the support
Block.
Further, the fixture is stud, and the protuberance is provided with what is set along the length direction of the support block
Cell body, the stud are penetrated in the cell body, and the protuberance can move relative to length direction of the stud along the cell body
It is dynamic.
Further, the upper surface of the tapered structure body is inclination angle 1：50 inclined-plane.
Further, the both ends of the barrel of tail stock are provided with drive end bearing bracket and rear end cap, and the drive end bearing bracket and the rear end cap are equal
It is fixedly connected in the support block.
The technical effects of the invention are that：, should according to a kind of tailstock center device of adjustable machining accuracy of the present invention
Device is withstood in the presence of drive mechanism on the centre bore of circular shaft type workpiece one end, and the other end of the circular shaft type workpiece is by three
Dog chuck clamps, and the scroll chuck is rotatable and drives the circular shaft type workpiece to rotate, top achievable circular shaft type workpiece
Pivot positions, and improves the circularity of axial workpiece, cylindricity, and the device is provided with axial regulating mechanism and radiai adjustment mechanism,
Top precision is varied from use for some time when top, then can adjust using axial regulating mechanism it is top before and after
Position, top right position is then can adjust using radiai adjustment mechanism, adjust top positional precision, so that top determines
Position precision is higher, so as to improve the machining accuracy of workpieces processing.
Brief description of the drawings
Fig. 1 is a kind of top view of the tailstock center device of adjustable machining accuracy according to an embodiment of the invention.
Fig. 2 is the sectional view according to A-A in Fig. 1.
Fig. 3 is the left view of base according to an embodiment of the invention.
Wherein：1- bases；2- support blocks；3- is top；4- drive end bearing brackets；5- locating dowels；6- adjusting gaskets；7- barrel of tail stocks；
8- rear end caps；9- main shafts；11- grooves；12- tapered structure bodies；13- sunk-in through-openings；21- cell bodies；22- fixtures.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As depicted in figs. 1 and 2, the present invention provides a kind of tailstock center device of adjustable machining accuracy, and the device is driving
Move and withstand on the centre bore of circular shaft type workpiece one end along its length in the presence of motivation structure, circular shaft type workpiece it is another
End is clamped by scroll chuck, and scroll chuck is rotatable and drives circular shaft type workpiece to rotate, and the device includes：Base 1, support block 2,
Barrel of tail stock 7, main shaft 9 and top 3, support block 2 is arranged on base 1, and barrel of tail stock 7 is connected in support block 2, and main shaft 9 is set
Put in barrel of tail stock 7, and can be rotated relative to barrel of tail stock 7, top 3 are fixedly installed on the end of main shaft 9, and top are located at
The outside of barrel of tail stock 7, the axial regulating mechanism for being used for adjusting top 3 positional precision is provided between support block 2 and base 1
And radiai adjustment mechanism.
According to a kind of tailstock center device of adjustable machining accuracy of the present invention, the device is in the presence of drive mechanism
Withstand on the centre bore of circular shaft type workpiece one end, the other end of the circular shaft type workpiece is clamped by scroll chuck, the three-jaw card
Disk is rotatable and drives the circular shaft type workpiece to rotate, and top 3 can realize the pivot positioning of circular shaft type workpiece, improve axle class
The circularity of part, cylindricity, the device are provided with axial regulating mechanism and radiai adjustment mechanism, when top 3 using for a period of time
Afterwards, top 3 precision is varied from, and top 3 front and back position is then can adjust using axial regulating mechanism, using radiai adjustment machine
Structure then can adjust top 3 right position, the positional precision of regulation top 3, so that top 3 positioning precision is higher, so as to
Improve the machining accuracy of workpieces processing.
As shown in figures 1 and 3, the middle part of base 1 is provided with groove 11, length direction insertion of the groove 11 along base 1, support
Block 2 is arranged in groove 11, and support block 2 can move along the length direction of groove 11, and support block 2 can be along the width side of groove 11
To movement, base 1 is used to support support block 2, and groove 11 is used for the position for limiting support block 2.
According to the preferred embodiment of the present invention, the side wall of base 1 is tapered structure body 12, and tapered structure body 12 is set
There are multiple sunk-in through-openings 13, the sunk-in through-opening 13 on the two side of base 1 is symmetrical arranged, because the side wall of base 1 is tapered structure
Body 12, therefore set the deep gouge of sunk-in through-opening 13 on the side wall to expose, so as to facilitate installation and adjustment screw.
Radiai adjustment mechanism includes multiple adjusting screws being arranged in sunk-in through-opening 13, and adjusting screw is held out against in support block
In 2 side wall, multiple adjusting screws are symmetricly set on the both ends of support block 2, adjust symmetrical adjusting screw adjustable support block 2
Right position, so as to improve top 3 positional precision, so as to improve top 3 machining accuracy.
As shown in Fig. 2 the end of support block 2 is provided with protuberance, protuberance is connected by fixture 22 with the end of base 1
Connect, the fixture 22 set between support block 2 and base is detachable, so as to which length direction of the adjustable support block 2 along base 1 moves
It is dynamic.
As shown in Fig. 2 axial regulating mechanism include be set on the outer ring of fixture 22 adjusting gasket 6, be fixed on base 1
On locating dowel 5 and the U-type groove body that is engaged with locating dowel 5, U-type groove body vertically run through support block 2, place different numbers
The distance between the adjustable support block 2 of purpose adjusting gasket 6 and base 1, so as to adjust the distance between support block 2 and base 1,
Top 3 positional precision is improved, so as to improve top 3 machining accuracy.
According to the preferred embodiment of the present invention, fixture 22 is stud, and protuberance is provided with the length along support block 2
The cell body 21 that direction is set is spent, stud is penetrated in cell body 21, and protuberance can move relative to length direction of the stud along cell body 21,
When adjusting the right position of support block 2, it can be relatively moved between protuberance and stud, the motion of support block 2 will not be hindered.
According to the preferred embodiment of the present invention, the upper surface of tapered structure body 12 is inclination angle 1：50 inclined-plane,
The conical surface of the angle to be more suitable for penetrating adjusting screw in sunk-in through-opening 13.
As shown in Fig. 2 the both ends of barrel of tail stock 7 are provided with drive end bearing bracket 4 and rear end cap 8, drive end bearing bracket 4 and rear end cap 8 are fixed
It is connected in support block 2, drive end bearing bracket 4 and rear end cap 8 play a protective role to main shaft 9.
It is as follows according to a kind of tailstock center device of adjustable machining accuracy of the present invention, its operation principle：
The central hole location for being registered to workpiece by top 3, top 3 position deviation is substantially observed, select adjusting gasket 6
Number, fixture 22 is pulled down, after the number for increasing (subtracting) adjusting gasket 6, fixture 22 is installed back to original position, so as to adjust
Save top 3 front and back position precision；
The adjusting screw in sunk-in through-opening 13 is adjusted, so as to adjust the right position of support block 2, so as to adjust top 3
Right position precision.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (9)
1. a kind of tailstock center device of adjustable machining accuracy, the device are transported along its length in the presence of drive mechanism
Moving and withstand on the centre bore of circular shaft type workpiece one end, the other end of the circular shaft type workpiece is clamped by scroll chuck, and described three
Dog chuck is rotatable and drives the circular shaft type workpiece to rotate, it is characterised in that the device includes：Base, support block, tailstock set
Cylinder, main shaft and top, the support block is arranged on the base, and the barrel of tail stock is connected in the support block, described
Main shaft is arranged in the barrel of tail stock, and can be rotated relative to the barrel of tail stock, described top to be fixedly installed on the master
The end of axle, and it is described top positioned at the outside of the barrel of tail stock, it is provided between the support block and the base and is used to adjust
Save the axial regulating mechanism and radiai adjustment mechanism of the top positional precision.
A kind of 2. tailstock center device of adjustable machining accuracy according to claim 1, it is characterised in that the base
Middle part be provided with groove, length direction insertion of the groove along the base, the support block is arranged in the groove, institute
Stating support block can move along the length direction of the groove, and the support block can move along the width of the groove.
A kind of 3. tailstock center device of adjustable machining accuracy according to claim 1, it is characterised in that the base
Side wall be tapered structure body, the tapered structure body is provided with multiple sunk-in through-openings, the deep gouge on the base bilateral wall
Through hole is symmetrical arranged.
A kind of 4. tailstock center device of adjustable machining accuracy according to claim 3, it is characterised in that the radial direction
Governor motion includes multiple adjusting screws being arranged in the sunk-in through-opening, and the adjusting screw is held out against in the support block
In side wall.
A kind of 5. tailstock center device of adjustable machining accuracy according to claim 1, it is characterised in that the support
The end of block is provided with protuberance, and the protuberance is connected by fixture with the end of the base.
A kind of 6. tailstock center device of adjustable machining accuracy according to claim 5, it is characterised in that the axial direction
Adjusting gasket that governor motion includes being set on the fixture outer ring, the locating dowel that is fixed on base and with the positioning
The U-type groove body that post is engaged, the U-type groove body vertically run through the support block.
A kind of 7. tailstock center device of adjustable machining accuracy according to claim 5, it is characterised in that the fixation
Part is stud, and the protuberance is provided with the cell body set along the length direction of the support block, and the stud penetrates the groove
In vivo, the protuberance can move relative to length direction of the stud along the cell body.
8. the tailstock center device of a kind of adjustable machining accuracy according to claim 3, it is characterised in that described tapered
The upper surface of structure is inclination angle 1：50 inclined-plane.
A kind of 9. tailstock center device of adjustable machining accuracy according to claim 1, it is characterised in that the tailstock
The both ends of sleeve are provided with drive end bearing bracket and rear end cap, and the drive end bearing bracket and the rear end cap are fixedly connected with the support block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135901.7A CN107414108A (en) | 2016-12-09 | 2016-12-09 | A kind of tailstock center device of adjustable machining accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135901.7A CN107414108A (en) | 2016-12-09 | 2016-12-09 | A kind of tailstock center device of adjustable machining accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107414108A true CN107414108A (en) | 2017-12-01 |
Family
ID=60422927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611135901.7A Pending CN107414108A (en) | 2016-12-09 | 2016-12-09 | A kind of tailstock center device of adjustable machining accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107414108A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566765A (en) * | 2019-08-19 | 2019-12-13 | 北京遥感设备研究所 | Laser pen device with adjustable installation accuracy |
| WO2023168958A1 (en) * | 2022-03-11 | 2023-09-14 | 哈尔滨焊接研究院有限公司 | Axis adjusting device of friction welding machine, slide mechanism, and friction welding machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4656745A (en) * | 1985-02-07 | 1987-04-14 | Griffin William J | Centering device and method |
| CN200974126Y (en) * | 2006-11-29 | 2007-11-14 | 谢兆华 | Dead regulation center of lathe |
| CN201008985Y (en) * | 2007-03-09 | 2008-01-23 | 洛阳活顶尖机械有限公司 | Heavy loading live center |
| CN201423450Y (en) * | 2009-03-27 | 2010-03-17 | 宁夏新瑞长城机床有限公司 | Self-locking bidirectional adjustable center programming tail frame |
| CN202427975U (en) * | 2011-12-19 | 2012-09-12 | 綦江齿轮传动有限公司 | Thimble mechanism with adjustable eccentricity |
| CN103264171A (en) * | 2013-06-06 | 2013-08-28 | 高邮市力博机床附件厂 | Special adjustability tailstock for TSL |
| CN105269009A (en) * | 2014-06-02 | 2016-01-27 | 季德贵 | Tailstock used for machine tool |
| CN206253659U (en) * | 2016-12-09 | 2017-06-16 | 盐城秦川华兴机床有限公司 | A kind of tailstock center device of adjustable machining accuracy |
-
2016
- 2016-12-09 CN CN201611135901.7A patent/CN107414108A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4656745A (en) * | 1985-02-07 | 1987-04-14 | Griffin William J | Centering device and method |
| CN200974126Y (en) * | 2006-11-29 | 2007-11-14 | 谢兆华 | Dead regulation center of lathe |
| CN201008985Y (en) * | 2007-03-09 | 2008-01-23 | 洛阳活顶尖机械有限公司 | Heavy loading live center |
| CN201423450Y (en) * | 2009-03-27 | 2010-03-17 | 宁夏新瑞长城机床有限公司 | Self-locking bidirectional adjustable center programming tail frame |
| CN202427975U (en) * | 2011-12-19 | 2012-09-12 | 綦江齿轮传动有限公司 | Thimble mechanism with adjustable eccentricity |
| CN103264171A (en) * | 2013-06-06 | 2013-08-28 | 高邮市力博机床附件厂 | Special adjustability tailstock for TSL |
| CN105269009A (en) * | 2014-06-02 | 2016-01-27 | 季德贵 | Tailstock used for machine tool |
| CN206253659U (en) * | 2016-12-09 | 2017-06-16 | 盐城秦川华兴机床有限公司 | A kind of tailstock center device of adjustable machining accuracy |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566765A (en) * | 2019-08-19 | 2019-12-13 | 北京遥感设备研究所 | Laser pen device with adjustable installation accuracy |
| CN110566765B (en) * | 2019-08-19 | 2020-11-13 | 北京遥感设备研究所 | Laser pen device with adjustable installation accuracy |
| WO2023168958A1 (en) * | 2022-03-11 | 2023-09-14 | 哈尔滨焊接研究院有限公司 | Axis adjusting device of friction welding machine, slide mechanism, and friction welding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |