CN104028788A - Centre - Google Patents
Centre Download PDFInfo
- Publication number
- CN104028788A CN104028788A CN201310050834.9A CN201310050834A CN104028788A CN 104028788 A CN104028788 A CN 104028788A CN 201310050834 A CN201310050834 A CN 201310050834A CN 104028788 A CN104028788 A CN 104028788A
- Authority
- CN
- China
- Prior art keywords
- top parts
- those
- clamp body
- pusher dog
- locating piece
- 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
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a centre which comprises a clamp body and further comprises a telescopic mechanism, a limit mechanism, a centre seat, a centre part and a clamping mechanism. A cavity arranged in the axial direction of the clamp body is arranged in the clamp body, and the telescopic mechanism and the limit mechanism are sequentially embedded in the cavity from the inside to the outside. A through installation hole is formed in the centre seat, the centre part is arranged in the installation hole in a sliding mode, the clamping mechanism is arranged in the centre part in the axial direction of the centre part, one end of the centre seat is fixed at one end of the clamp body to enable the installation hole to be communicated with the cavity correspondingly, one end of the centre part jacks the telescopic mechanism through a location block, and one end of the clamping mechanism is embedded in the location block and penetrates the location block to abut against one end of the limit mechanism. The centre overcomes the shortcoming of labor and time waste caused by assembly and disassembly around machining, is convenient to use, reduces the disassemble produce and reduces labor time.
Description
Technical field
The present invention relates to a kind of top.
Background technology
In the prior art, because turning adds man-hour workpiece, be clamping on top of frame two end to end, one top clamping is on the scroll chuck of headstock, and headstock rotation, drives a top rotation, another top clamping is on tailstock, workpiece adds the effect that is subject to lathe tool cutting force man-hour in turning, workpiece can not rotate, in order to make the rotating speed of workpiece reach headstock rotating speed, method is: a dead man chuck need to be installed on workpiece, utilize the part rotation of starting building of a tape on the scroll chuck of headstock.Dismounting dead man chuck after processing.Another kind method is: as on workpiece, dead man chuck being installed, that can only add and increase the process Installation of workpiece position man-hour in preceding working procedure, after completion to be processed, removes.Time-consuming, likely make in addition workpiece clamp hair, produce waste product.By second method, also to take material.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the top dead man that needs to install before processing, dismounting again after processing, the problem of losing time and consuming workload, provide a kind of can be easy to use, do not need frequent dismounting, reduce operation, shorten the top of recruitment time.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of top, it comprises a clamp body, its feature is, it also comprises a telescoping mechanism, a position-limit mechanism, a dead head, top parts and a clamp mechanism, in this clamp body, have a cavity of axially offering along this clamp body, this telescoping mechanism and this position-limit mechanism are embedded successively from the inside to the outside in this cavity;
This dead head has the installing hole of a perforation, these top parts are slidedly arranged in this installing hole, this clamp mechanism is axially slidedly arranged in these top parts along these top parts, one end of this dead head and one end of this clamp body are fixed, make the connection corresponding to this cavity of this installing hole, and one end of these top parts holds out against by a positioning block and this telescoping mechanism, and one end of this clamp mechanism is embedded in this locating piece, and one end of running through this locating piece and this position-limit mechanism holds out against.
Preferably, this telescoping mechanism comprises a spring and a push rod, and one end of this spring is fixed in this cavity of this clamp body, and one end of this push rod and the other end of this spring hold out against.In addition, the other end of this push rod withstands on top end face, can make so top slippage in center sleeve.
Preferably, this position-limit mechanism comprises a faced washer and one group of spheric washer, and this faced washer and this group spheric washer are arranged in the other end of this push rod successively.So just can, so that this faced washer and this group spheric washer are arranged on the front end in the cavity of this clamp body, be arranged in successively on the cylindrical of this push rod.
Preferably, be provided with at least one groove on the internal face of this dead head, be provided with at least one projection on the side wall surface of these top parts, those projections one by one correspondence are embedded in those grooves, make these top parts endwisely slipping along this dead head.Wherein, those projections consist of flat key.Specifically, offer at least one flat key groove not connecting on the side wall surface of this top part, then the cylindrical at these top parts embeds a flat key, makes these top parts synchronize and rotate with this dead head, and can endwisely slip.
Preferably, this clamp mechanism comprises at least one pusher dog bar, and the head of these top parts is provided with at least one and connects these top parts the perforate parallel with the center line of these top parts, and one end of those pusher dog bars is corresponding those perforates of insertion one by one;
On this locating piece, offer at least one limiting section, one end of those pusher dog bars holds out against by those limiting sections and this group spheric washer.
Preferably, the top end face of those pusher dog bars is zigzag.
Preferably, the quantity of those pusher dog bars is three.
Preferably, this locating piece is a triangle locating piece.
Particularly, the top parts of this clamp mechanism are equipped with three pusher dog bars, the center line of three pusher dog bars and these top parts is parallel and be uniformly distributed, and at the rear end face of these top parts, one triangle locating piece is housed, and now three of this triangle locating piece limits are as those limiting sections.The plane of such three pusher dog bars leans against on three limits of this triangle locating piece and passes, and end face withstands on this group spheric washer.
Meeting on the basis of this area general knowledge, above-mentioned each optimum condition, can be combined, and obtains the preferred embodiments of the invention.
The top top parts with tailstock of the present invention promote workpiece movable, three end faces are housed on top by this and have jagged pusher dog bar, promote these top parts and move in dead head, until the end face of workpiece withstands on three end faces, have on the end face of jagged pusher dog bar.Because pusher dog bar can not move inward, the thrust of tailstock is the revolving force that drives workpiece, two top top power, guarantee by the spring after push rod, and the even contact power of the end face of workpiece end face and three pusher dog bars is adjusted automatically by the spheric washer withstanding on after pusher dog bar.Due to the top other dead man of clamping that do not need of the present invention, therefore greatly reduced the clamping time, shortened the unproductive time of processing, improve working (machining) efficiency.Avoided clamping to produce the phenomenon of workpiece clamp hair simultaneously.
Positive progressive effect of the present invention is: the present invention has overcome the top dead man that needs to install before processing, dismounting again after processing, the problem of losing time and consuming workload, provide a kind of can be easy to use, do not need frequent dismounting, reduce operation, shorten the top of recruitment time.
Accompanying drawing explanation
Fig. 1 is the top profile of preferred embodiment of the present invention.
Fig. 2 be preferred embodiment of the present invention top in half cut-away view of top parts.
The specific embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
As Figure 1-Figure 2, a top clamp body 1, a telescoping mechanism, a position-limit mechanism, a triangle locating piece 6, the top parts 8 of a dead head 7, one and the clamp mechanism of comprising.In the present embodiment, this telescoping mechanism comprises a spring 2 and a push rod 3; This position-limit mechanism comprises a faced washer 4 and one group of spheric washer 5; This clamp mechanism comprises three claw bars 9 of eradicating.
In clamp body 1, have a cavity of axially offering along this clamp body, spring 2 and push rod 3 are embedded successively from the inside to the outside in this cavity, and one end of spring 2 is fixed in this cavity of clamp body 1, and the other end of one end of push rod 3 and spring 2 holds out against.
Dead head 7 has the installing hole of a perforation, top parts 8 are slidedly arranged in this installing hole, three pusher dog bars 9 of this clamp mechanism are along in the top parts 8 of being axially slidedly arranged on of top parts 8, one end of one end of dead head 7 and clamp body 1 is fixed, make the connection corresponding to this cavity of this installing hole, and one end of top parts 8 holds out against by triangle locating piece 6 and push rod 3, and one end of this clamp mechanism is embedded in triangle locating piece 6, and run through triangle locating piece 6 and hold out against with one end of this position-limit mechanism.Specifically, three of this clamp mechanism claw bar 9 of eradicating, at the head of top parts 8, be provided with three and connect top parts 8 the perforate 81(parallel with the center line of top parts 8 as Fig. 2), one end of those pusher dog bars 9 is corresponding those perforates 81 of insertion one by one, from the other end of top parts 8, pass, by three limits of triangle locating piece 6, end face withstands on spheric washer 5; Triangle locating piece 6 makes those pusher dog bars 9 moving forward and backward with in its axial vertical direction, can not rotate.This has just guaranteed when whole top rotation, and pusher dog bar 9 can be with respect to whole top rotation, but is toply synchronously rotated along with whole.
As shown in Figures 1 and 2, this being installed when top, first in this cavity of clamp body 1, put into successively spring 2 and push rod 3, in one end of push rod 3, put faced washer 4 and one group of spheric washer 5.On top parts 8, be provided with a flat key groove 82, the effect of flat key groove 82 is to embed a flat key, and after this flat key embeds flat key groove 82, its plane will exceed the surface of top parts 8, be equivalent to form a projection on the surface of top parts 8, this projection can not move with respect to top parts 8; With respect to this projection, on the inwall of this installing hole of dead head 7, be provided with a groove, this groove is corresponding with this projection, this groove only has an end opening, opening one end is positioned at the side that dead head 7 is connected with clamp body 1, this projection on top parts 8 can slip into dead head 7 along this groove, thereby realize, top parts 8 is slidedly arranged in dead head 7.It will be appreciated by those skilled in the art that, this is this projection and a kind of conventional setting playing the guiding role of coordinating of this groove, in the present embodiment, can only moving axially along the central shaft of top parts 8 in dead head 7 in order to limit top parts 8, when the point of top parts 8 is squeezed, top parts 8 can be by push rod 3 extrusion springs 2.After top parts 8 are slidedly arranged on to this installing hole, three claw bars 9 of eradicating are inserted in three perforates 81 on top parts 8 one to one, and pass from the other end of top parts 8, at the other end of top parts 8, triangle locating piece is fastened between those pusher dog bars.Above-mentioned mounted each parts are connected with mounted clamp body 1, and such connection realizes by screw and alignment pin (not shown), by screw, clamp body 1 and dead head 7 is affixed.
It will be appreciated by those skilled in the art that, the quantity that is arranged on the projection on top parts can be carried out corresponding change according to actual needs, as long as set equally corresponding groove on dead head; The quantity of pusher dog bar also can corresponding change, as long as can meet, workpiece is fixed, and makes it can be with respect to top rotation; The effect of triangle locating piece is those pusher dog bars of location, as long as therefore can make the stopping means of pusher dog bar location, is all operable; Selecting in addition spring is only also the use of embodiment, and other retractor devices, as long as can meet use needs, all can use can to the top device of enough pressure that provides.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection scope of the present invention.
Claims (8)
- One kind top, comprise a clamp body, it is characterized in that, it also comprises a telescoping mechanism, a position-limit mechanism, a dead head, top parts and a clamp mechanism, in this clamp body, have a cavity of axially offering along this clamp body, this telescoping mechanism and this position-limit mechanism are embedded successively from the inside to the outside in this cavity;This dead head has the installing hole of a perforation, these top parts are slidedly arranged in this installing hole, this clamp mechanism is axially slidedly arranged in these top parts along these top parts, one end of this dead head and one end of this clamp body are fixed, make the connection corresponding to this cavity of this installing hole, and one end of these top parts holds out against by a positioning block and this telescoping mechanism, and one end of this clamp mechanism is embedded in this locating piece, and one end of running through this locating piece and this position-limit mechanism holds out against.
- 2. as claimed in claim 1 top, it is characterized in that, this telescoping mechanism comprises a spring and a push rod, and one end of this spring is fixed in this cavity of this clamp body, and one end of this push rod and the other end of this spring hold out against.
- 3. as claimed in claim 2 top, it is characterized in that, this position-limit mechanism comprises a faced washer and one group of spheric washer, this faced washer and this group spheric washer are arranged in the other end of this push rod successively.
- 4. as claimed in claim 1 top, it is characterized in that, on the internal face of this dead head, be provided with at least one groove, on the side wall surface of these top parts, be provided with at least one projection, those projections one by one correspondence are embedded in those grooves, make these top parts endwisely slipping along this dead head.
- 5. as claimed in claim 3 top, it is characterized in that, this clamp mechanism comprises at least one pusher dog bar, and the head of these top parts is provided with at least one and connects these top parts the perforate parallel with the center line of these top parts, and one end of those pusher dog bars is corresponding those perforates of insertion one by one;On this locating piece, offer at least one limiting section, one end of those pusher dog bars holds out against by those limiting sections and this group spheric washer.
- 6. as claimed in claim 5 top, it is characterized in that, the top end face of those pusher dog bars is zigzag.
- 7. as claimed in claim 5 top, it is characterized in that, the quantity of those pusher dog bars is three.
- 8. as claimed in claim 1 top, it is characterized in that, this locating piece is a triangle locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310050834.9A CN104028788A (en) | 2013-02-08 | 2013-02-08 | Centre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310050834.9A CN104028788A (en) | 2013-02-08 | 2013-02-08 | Centre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104028788A true CN104028788A (en) | 2014-09-10 |
Family
ID=51459914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310050834.9A Pending CN104028788A (en) | 2013-02-08 | 2013-02-08 | Centre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104028788A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856745A (en) * | 2018-08-09 | 2018-11-23 | 浙江台玖精密机械有限公司 | High-precision end face drives tooling and operating method |
| CN110039074A (en) * | 2019-05-23 | 2019-07-23 | 浙江杰克机床股份有限公司 | Thimble is stirred in one kind |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU778937A1 (en) * | 1978-03-06 | 1980-11-15 | Ейский Станкостроительный Завод | Carrier centre |
| CN2070213U (en) * | 1990-07-19 | 1991-01-30 | 烟台市芝罘新兴夹具厂 | Shift claw adjustable mechanical floating end face shifting top |
| CN2142052Y (en) * | 1992-11-25 | 1993-09-15 | 孙斌 | Hydraulic turbulence face toggle centre |
| CN2195989Y (en) * | 1994-01-16 | 1995-05-03 | 山东机床附件厂 | Centre of lathe |
| JP2000024806A (en) * | 1998-07-06 | 2000-01-25 | Iwami Seiichi | Spindle support mechanism |
| JP2005052935A (en) * | 2003-08-05 | 2005-03-03 | Mori Seiki Co Ltd | Tailstock |
| CN101214557A (en) * | 2008-01-03 | 2008-07-09 | 安阳鑫盛机床有限公司 | Hydraulic gyration tailstock |
| CN203140794U (en) * | 2013-02-08 | 2013-08-21 | 上海华迅汽车配件有限公司 | Centre |
-
2013
- 2013-02-08 CN CN201310050834.9A patent/CN104028788A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU778937A1 (en) * | 1978-03-06 | 1980-11-15 | Ейский Станкостроительный Завод | Carrier centre |
| CN2070213U (en) * | 1990-07-19 | 1991-01-30 | 烟台市芝罘新兴夹具厂 | Shift claw adjustable mechanical floating end face shifting top |
| CN2142052Y (en) * | 1992-11-25 | 1993-09-15 | 孙斌 | Hydraulic turbulence face toggle centre |
| CN2195989Y (en) * | 1994-01-16 | 1995-05-03 | 山东机床附件厂 | Centre of lathe |
| JP2000024806A (en) * | 1998-07-06 | 2000-01-25 | Iwami Seiichi | Spindle support mechanism |
| JP2005052935A (en) * | 2003-08-05 | 2005-03-03 | Mori Seiki Co Ltd | Tailstock |
| CN101214557A (en) * | 2008-01-03 | 2008-07-09 | 安阳鑫盛机床有限公司 | Hydraulic gyration tailstock |
| CN203140794U (en) * | 2013-02-08 | 2013-08-21 | 上海华迅汽车配件有限公司 | Centre |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856745A (en) * | 2018-08-09 | 2018-11-23 | 浙江台玖精密机械有限公司 | High-precision end face drives tooling and operating method |
| CN108856745B (en) * | 2018-08-09 | 2023-11-03 | 浙江台玖精密机械有限公司 | High-precision end face driving tool and operation method |
| CN110039074A (en) * | 2019-05-23 | 2019-07-23 | 浙江杰克机床股份有限公司 | Thimble is stirred in one kind |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140910 |