CN104139191B - The push pin device that tool rotating speed shows - Google Patents
The push pin device that tool rotating speed shows Download PDFInfo
- Publication number
- CN104139191B CN104139191B CN201310164961.1A CN201310164961A CN104139191B CN 104139191 B CN104139191 B CN 104139191B CN 201310164961 A CN201310164961 A CN 201310164961A CN 104139191 B CN104139191 B CN 104139191B
- Authority
- CN
- China
- Prior art keywords
- mandrel
- rotating speed
- top heart
- workpiece
- heart handle
- 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 - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/04—Live centres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
A kind of have the push pin device that rotating speed shows, it is provided with a mandrel by forward and backward bearing in the inside of top heart handle, the front end of this mandrel passes top heart handle and forms a thimble head, it is provided around a sensor block in mandrel, placing again the induction apparatus detecting this sensor block around this top heart handle, the signal detected by this sensor block output shows to outside tachometer；It it is the tailstock that top heart handle is arranged on lathe when the present invention uses, and the thimble crown is leaned on the top central hole of workpiece end, when workpiece rotates with lathe spindle and drives mandrel synchronous rotary, the rotating speed of mandrel can be detected by induction apparatus and show at tachometer, allow an operator to by adjusting the mode that mandrel reaches consistent with the rotating speed of lathe, make tailstock can lean workpiece with the aroused in interest axle of optimal press belt, reach the effect suitably held out against.
Description
Technical field
The present invention relates to a kind of CNC(numerical control) the tailstock accessory of lathe, particularly relate to a kind of tool rotating speed and show
Push pin device.
Background technology
Existing CNC lathe is clamping workpiece on the chuck of main shaft, leans with the thimble on tail stock again
The top central hole of workpiece end, when CNC lathe sets the rotating speed of display main shaft in numerical controller, makes main shaft drive
Start building part rotate turning time, thimble can withstand the end of workpiece and with workpiece synchronous rotary turning, make workpiece energy
Stable rotation, then with cutter, the workpiece rotated is carried out machining.
Existing thimble structure such as TaiWan, China patent announcement the 242799th " the fine-tuning structure of thimble " is new
Shown in Fig. 1 of type Patent Case, it is the top central hole by workpiece end of the thimble crown with mandrel front end sharp conical shape,
But owing to lacking, aforementioned existing thimble structure judges that tail stock leans the most suitable the depending on of pressure of workpiece
According to, easily make workpiece skid when therefore pushing up the most loose and cause the abrasion of thimble head or cause workpiece centre skew to make
Turning produces instability, will cause the raising of processing cost and the puzzlement that processing precision is the best thus.
Summary of the invention
Suitably depending on of workpiece pressure is leaned owing to the push pin device of existing CNC lathe does not adjust tail stock
According to, easily make workpiece skid when therefore pushing up the most loose and cause the abrasion of thimble head or cause workpiece centre skew to make
Turning produces the shortcomings such as unstable.To this end, the push pin device that the present invention shows to set up a tool rotating speed is detected
The means of thimble rotating speed, coordinate the rotating speed of CNC lathe numerical controller display main shaft, make operator have adjustment
Tail stock leans the foundation of workpiece pressure, and the rotating speed making main shaft is consistent with the rotating speed of mandrel, reaches thimble dress
Put the effect that can lean workpiece via adjustment with suitable pressure.
For reaching above-mentioned purpose, the present invention provides a kind of and has the push pin device that rotating speed shows, is provided with:
One top heart handle, is the straight tube body extended along front and rear direction, in leading section and the front end of this top heart handle
Part on rear side of portion respectively forms a head and a shank, the most fixed in the forward and backward position of this head inner peripheral surface
One fore bearing and a thrust bearing, run through an installation hole at this head outer peripheral face, inwardly in the inner circumferential of this shank
The fixed rear bearing in face；
One mandrel, is located in fore bearing, thrust bearing and rear bearing along front and rear direction, before this mandrel
End stretches out the front end of this top heart handle and forms a thimble head, week just inner to this installation hole in the middle of this mandrel
Enclose the fixed sensor block of part；And
One detecting display device, the installation hole at this top heart handle places fixes an induction apparatus, and this induction apparatus stretches into
Inner formation one induction end in this top heart handle, detects this sensor block with this induction end and rotates within the unit interval
The number of times passed through, connects an electric wire in the outer end of this induction apparatus, connects a tachometer with this electric wire, with this turn
Speed meter shows the rotating speed of this mandrel.
The push pin device that described tool rotating speed shows, wherein, described installation hole is screw, described induction apparatus spiral shell
Stricture of vagina is fixed in this installation hole.
It is the tailstock that the shank of top heart handle is arranged on lathe when the present invention uses, and by the thimble of mandrel front end
The crown leans against the top central hole of workpiece end, when the main shaft of lathe drives workpiece to rotate turning, can interlock thimble
Mandrel synchronous rotary, now can be made by the induction end detecting sensor block of induction apparatus and the rotating speed of thimble mandrel
Operator can compare the rotating speed drop between thimble mandrel and lathe spindle, judges whether thimble head is with suitable
When pressure lean workpiece, if pointed cone is suitable against the pressure of workpiece, then the rotating speed of thimble central axis should
Consistent with the rotating speed of lathe spindle.
When the thimble crown to be adjusted is by the pressure of workpiece, it is by the forward and backward position adjusting tail stock
Mode adjusts, and when the rotating speed of thimble mandrel is slack-off, represents top the most loose, workpiece can be made to skid and cause thimble head
Wear and tear or cause workpiece centre skew to make turning generation unstable in portion, the pressure of tailstock to be adjusted,
Make the rotating speed of thimble mandrel reach consistent with the rotating speed of lathe spindle, thimble mandrel can be made with optimal pressure
Power leans workpiece, reaches do not result in the abrasion of thimble head or cause workpiece centre skew to make turning produce not
Stable situation, can reduce processing cost and improve effect of processing precision.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the preferred embodiment of the present invention；
Fig. 2 is the profile of the preferred embodiment of the present invention；
Fig. 3 is the enforcement schematic diagram of the preferred embodiment of the present invention.
Description of reference numerals: 10-pushes up heart handle；11-head；111-fore bearing；112-thrust bearing；113-fills
Apertured；12-shank；121-rear bearing；122-rear thread；20-mandrel；21-thimble head；22-thimble protecgulum；
23-sensor block；24-nut cap；30-detects display device；311-induction end；32-electric wire；33-tachometer；
21A-pointed cone；40-tailstock；41-workpiece.
Detailed description of the invention
The present invention is a kind of to have a push pin device that rotating speed shows, preferred embodiment as shown in Figure 1 and Figure 2,
The structure of this push pin device includes:
One top heart handle 10, is the straight tube body extended along front and rear direction, in the leading section shape of this top heart handle 10
Become a head 11, be positioned at the part on rear side of head 11 at this top heart handle 10 and form a shank 12, this shank 12
The diameter of inside and outside side face is smaller than the diameter of the inside and outside side face of head 11, before head 11 inner peripheral surface,
Fixed fore bearing 111 and the thrust bearing 112 in rear position, again head 11 outer peripheral face rear side inwardly
Extending vertically through an installation hole 113, this installation hole 113 is screw, the inner peripheral surface fixed in the middle of shank 12
Rear bearing 121, this rear bearing 121 is needle bearing, spiral shell after the inner peripheral surface in shank 12 rear end forms again
Stricture of vagina 122.
One mandrel 20, for the straight-bar body extended along front and rear direction, this mandrel 20 is arranged in the heart handle 10 of top
And be set in fore bearing 111, thrust bearing 112 and rear bearing 121, the front end of this mandrel 20 is by pushing up the heart
The front end of handle 10 is protruding, and the front end stretching out top heart handle 10 in mandrel 20 forward forms a thimble head 21,
If this thimble head 21 of this preferred embodiment is dismountable thimble head, and the present invention except preferred embodiment is
Thimble head 21 is set to beyond disassembling and replacing type, thimble head 21 also can be set to the sharp conical shape that can not change,
The present invention is not any limitation as at this；Inner peripheral surface and the side face of thimble head 21 end edge at head 11 front-end edge
Between be provided with a thimble protecgulum 22, in the middle of the mandrel 20 just peripheral part fixed to installation hole 113 the inner
Sensor block 23, as this sensor block 23 of this preferred embodiment is metal derby, again at the rear thread 122 of shank 12
In conjunction with a nut cap 24.
One detecting display device 30, the installation hole 113 at top heart handle 10 is screwed an induction apparatus 31, as
This preferred embodiment, this induction apparatus 31 is the proximity switch that can sense metal derby, and this induction apparatus 31 stretches into top
Inner formation one induction end 311 in heart handle 10, detects sensor block 23 unit interval inward turning with induction end 311
Turn the number of times passed through, the i.e. rotating speed of mandrel 20, connect an electric wire 32 in the outer end of induction apparatus 31, with electric wire
32 are electrically connected with tachometer 33 one outside, with tachometer 33 show mandrel that induction apparatus 31 detects turn
Speed.
The present invention removes aforementioned preferred embodiments, is to be set to beyond screw by installation hole 113, also can be by installation hole
113 are set to elongated hole, make induction apparatus 31 chimeric or otherwise fix at installation hole 113, so placing
The means of stationary induction apparatus 31 change the present invention and are not any limitation as at this.
When the present invention uses, as shown in Figure 1 to Figure 3, it is that the shank 12 of top heart handle 10 is arranged on lathe
Tailstock 40, and the thimble head 21 in mandrel 20 front end combines a pointed cone 21A, is acted against by pointed cone 21A
Workpiece 41 end top central hole, when workpiece 41 rotates with the main shaft of lathe, can together drive mandrel 20 to synchronize
Rotate, now can detect mandrel 20 by the way of the induction end 311 of induction apparatus 31 detects sensor block 23
Rotating speed and show at tachometer 33, so, the rotating speed allowing an operator to compare mandrel 20 and lathe spindle falls
Difference, judges that pointed cone 21A leans the pressure of workpiece 41 the most suitably, if pointed cone 21A leans workpiece 41
Strength is suitable, then the rotating speed that mandrel 20 rotates should be consistent with the rotating speed of lathe spindle.
During adjustment, operator is the mode by the forward and backward position adjusting tailstock 40, changes mandrel 20
Pointed cone 21A leans the pressure of workpiece 41, when the position adjusting tailstock 40 makes rotating speed and the lathe main of mandrel 20
When the rotating speed of axle reaches consistent, mandrel 20 can be made to lean workpiece with optimal pressure, reduce processing
Cost and effect of raising processing precision.
Claims (2)
1. one kind has the push pin device that rotating speed shows, it is characterised in that including:
One top heart handle, is the straight tube body extended along front and rear direction, in leading section and the front end of this top heart handle
Part on rear side of portion respectively forms a head and a shank, the most fixed in the forward and backward position of this head inner peripheral surface
One fore bearing and a thrust bearing, run through an installation hole at this head outer peripheral face, inwardly in the inner circumferential of this shank
The fixed rear bearing in face；
One mandrel, is located in fore bearing, thrust bearing and rear bearing along front and rear direction, before this mandrel
End stretches out the front end of this top heart handle and forms a thimble head, week just inner to this installation hole in the middle of this mandrel
Enclose the fixed sensor block of part；And
One detecting display device, the installation hole at this top heart handle places fixes an induction apparatus, and this induction apparatus stretches into
Inner formation one induction end in this top heart handle, detects this sensor block with this induction end and rotates within the unit interval
The number of times passed through, connects an electric wire in the outer end of this induction apparatus, connects a tachometer with this electric wire, with this turn
Speed meter shows the rotating speed of this mandrel.
The push pin device that tool rotating speed the most according to claim 1 shows, it is characterised in that described installing
Hole is screw, and described induction apparatus is threadedly secured in this installation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310164961.1A CN104139191B (en) | 2013-05-07 | 2013-05-07 | The push pin device that tool rotating speed shows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310164961.1A CN104139191B (en) | 2013-05-07 | 2013-05-07 | The push pin device that tool rotating speed shows |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104139191A CN104139191A (en) | 2014-11-12 |
| CN104139191B true CN104139191B (en) | 2016-12-28 |
Family
ID=51848623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310164961.1A Expired - Fee Related CN104139191B (en) | 2013-05-07 | 2013-05-07 | The push pin device that tool rotating speed shows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104139191B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471849B (en) * | 2018-11-15 | 2021-11-02 | 大永精机（福州）有限公司 | Rotating thimble for quenching transmission shaft |
| TWI822431B (en) * | 2022-11-01 | 2023-11-11 | 台灣順成頂針科技有限公司 | Ejector assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089853U (en) * | 1991-05-15 | 1991-12-04 | 吴忠民 | High severity and high trueness centre |
| CN2210736Y (en) * | 1995-02-18 | 1995-10-25 | 宁夏标准件厂 | Force indicating centre |
| CN102133651A (en) * | 2011-04-14 | 2011-07-27 | 大连机床集团有限责任公司 | Tailstock capable of displaying ejection force |
| CN102581698A (en) * | 2012-03-06 | 2012-07-18 | 贵州大学 | Force measuring device for tip of machine tool tailstock |
| CN202427973U (en) * | 2011-12-21 | 2012-09-12 | 大连机床(数控)股份有限公司 | Force measuring tailstock with thermal deformation absorbing function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6144503A (en) * | 1984-08-02 | 1986-03-04 | Hisao Tabata | Automatic feeder for boring, tapping or the like by ordinary lathe |
-
2013
- 2013-05-07 CN CN201310164961.1A patent/CN104139191B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089853U (en) * | 1991-05-15 | 1991-12-04 | 吴忠民 | High severity and high trueness centre |
| CN2210736Y (en) * | 1995-02-18 | 1995-10-25 | 宁夏标准件厂 | Force indicating centre |
| CN102133651A (en) * | 2011-04-14 | 2011-07-27 | 大连机床集团有限责任公司 | Tailstock capable of displaying ejection force |
| CN202427973U (en) * | 2011-12-21 | 2012-09-12 | 大连机床(数控)股份有限公司 | Force measuring tailstock with thermal deformation absorbing function |
| CN102581698A (en) * | 2012-03-06 | 2012-07-18 | 贵州大学 | Force measuring device for tip of machine tool tailstock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104139191A (en) | 2014-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190507 |