CN203140794U - Centre - Google Patents
Centre Download PDFInfo
- Publication number
- CN203140794U CN203140794U CN 201320072714 CN201320072714U CN203140794U CN 203140794 U CN203140794 U CN 203140794U CN 201320072714 CN201320072714 CN 201320072714 CN 201320072714 U CN201320072714 U CN 201320072714U CN 203140794 U CN203140794 U CN 203140794U
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a centre which comprises a clamp body, a telescopic mechanism, a limiting mechanism, a centre base, a centre component and a clamping mechanism. A cavity arranged along the axial direction of the clamp body is arranged in the clamp body, and the telescopic mechanism and the limiting mechanism are embedded in the cavity from the inside to the outside sequentially. The centre base is provided with a through installing hole, the centre component is installed in the installing hole in a sliding mode, the clamping mechanism is arranged in the centre component in a sliding mode along the axial direction of the centre component, one end of the centre base is fixed with one end of the clamp body, the installing hole is communicated with the cavity in a corresponding mode, one end of the centre component butts against the telescopic mechanism through a locating block, and one end of the clamping mechanism is embedded in the locating block and penetrates through the locating block to butt against one end of the limiting mechanism. The problem that installing and detaching are required before and after machining and labor and time are wasted is solved. The centre can facilitate use, reduces a detaching procedure and shortens labor time.
Description
Technical field
The utility model relates to a kind of top.
Background technology
In the prior art, because it is clamping on two top on frame end to end that turning adds the man-hour workpiece, one top clamping is on the scroll chuck of headstock, and the headstock rotation drives a top rotation, another top clamping is on tailstock, workpiece adds the effect that is subjected to lathe tool cutting force man-hour in turning, and workpiece can not rotate, for the rotating speed that makes workpiece reaches the headstock rotating speed, a kind of method is: need the dead man chuck be installed at workpiece, utilize a pin on the scroll chuck of headstock to drive the workpiece rotation.Processing back dismounting dead man chuck.Another kind method is: as on the workpiece dead man chuck being installed, that can only add in preceding working procedure increases the process Installation of workpiece position man-hour, removes after the completion to be processed.Time-consuming, might make the workpiece clamp hair in addition, produce waste product.Also to take material with second method.
The utility model content
The technical problems to be solved in the utility model is to overcome top the need dead man to be installed, dismounting again after the processing, the problem of losing time and consuming workload before processing, providing a kind of can conveniently use, do not need frequent dismounting, reduce operation, shorten the top of recruitment time.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of top, it comprises a clamp body, its characteristics are, it also comprises a telescoping mechanism, a position-limit mechanism, a dead head, top parts and a clamp mechanism, have a cavity of axially offering along this clamp body in 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 an installing hole that connects, these top parts are slidedly arranged in this installing hole, this clamp mechanism axially is slidedly arranged in these top parts along these top parts, one end of this dead head and an end of this clamp body are fixed, make the corresponding connection with this cavity of this installing hole, and an end of these top parts holds out against by a positioning block and this telescoping mechanism, and an end of this clamp mechanism is embedded in this locating piece, and an end that runs through this locating piece and this position-limit mechanism holds out against.
Preferably, this telescoping mechanism comprises a spring and a push rod, and an end of this spring is fixed in this cavity of this clamp body, and an 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 top slippage in center sleeve like this.
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 be arranged in successively on the cylindrical of this push rod so that this faced washer and this group spheric washer are installed in the interior front end of cavity of this clamp body.
Preferably, the internal face of this dead head is provided with at least one groove, and the side wall surface of these top parts is provided with at least one projection, and those projections correspondence one by one are embedded in those grooves, makes these top parts endwisely slipping along this dead head.Wherein, those projections are made of flat key.Specifically, offer at least one flat key groove that does not connect at the side wall surface of this top part, the cylindrical at these top parts embeds a flat key then, makes these top parts and this dead head rotate synchronously, 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 and the perforate parallel with the center line of these top parts, and an end of those pusher dog bars is corresponding those perforates of insertion one by one;
Offer at least one limiting section on this locating piece, an 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, three parallel and even distributions with the center line of these top parts of pusher dog bar are equipped with a triangle locating piece at the rear end face of these top parts, this moment this triangle locating piece three limits namely 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.
On the basis that meets this area general knowledge, above-mentioned each optimum condition, but any combination namely get each preferred embodiments of the utility model.
The top top parts with tailstock of the utility model promote workpiece and move, three end faces are housed on top by this jagged pusher dog bar is arranged, it is mobile in dead head to promote these top parts, and withstanding on three end faces up to the end face of workpiece has on the end face of jagged pusher dog bar.Because the pusher dog bar can not move inward, the thrust of tailstock is the revolving force that drives workpiece, two top top power guarantee that by the spring behind the push rod even contact power of the end face of workpiece end face and three pusher dog bars is adjusted automatically by the spheric washer that withstands on pusher dog bar back.Because therefore the top other dead man of clamping that do not need of the present utility model has significantly 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 utility model is: the utility model has overcome the top dead man that needs to install before processing, dismounting again after the processing, the problem of losing time and consuming workload, providing a kind of can conveniently use, do not need frequent dismounting, reduce operation, shorten the top of recruitment time.
Description of drawings
Fig. 1 is the top profile of the utility model preferred embodiment.
Fig. 2 be the utility model preferred embodiment top in half cut-away view of top parts.
The specific embodiment
Mode below by embodiment further specifies the utility model, but therefore the utility model is not limited among the described scope of embodiments.
As Fig. 1-shown in Figure 2, a top clamp body 1, a telescoping mechanism, a position-limit mechanism, a triangle locating piece 6, a dead head 7, top parts 8 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.
Have a cavity of axially offering along this clamp body in the clamp body 1, spring 2 and push rod 3 are embedded successively from the inside to the outside in this cavity, and an end of spring 2 is fixed in this cavity of clamp body 1, and an end of push rod 3 and the other end of spring 2 hold out against.
Dead head 7 has an installing hole that connects, 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 axially being slidedly arranged on of top parts 8, one end of dead head 7 and an end of clamp body 1 are fixed, make the corresponding connection with this cavity of this installing hole, and an end of top parts 8 holds out against by triangle locating piece 6 and push rod 3, and an end of this clamp mechanism is embedded in the triangle locating piece 6, and an end that runs through triangle locating piece 6 and this position-limit mechanism holds out against.Specifically, three of this clamp mechanism claw bar 9 of eradicating, head at top parts 8 is provided with three top parts 8 of perforation and perforate 81(such as Fig. 2 parallel with the center line of top parts 8), one end of those pusher dog bars 9 is corresponding those perforates 81 of insertion one by one, pass from the other end of top parts 8, by three limits of triangle locating piece 6, end face withstands on the spheric washer 5; Triangle locating piece 6 makes those pusher dog bars 9 axially moving forward and backward on vertical direction with it, 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 toply is rotated synchronously along with whole.
As shown in Figures 1 and 2, installing should be top the time, first spring 2 and the push rod 3 put into successively in this cavity of clamp body 1 puts faced washer 4 and one group of spheric washer 5 at an end of push rod 3.Top parts 8 are provided with a flat key groove 82, the effect of flat key groove 82 is to embed a flat key, and this flat key embeds after the flat key groove 82, and its plane will exceed the surface of top parts 8, namely 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, the inwall of this installing hole of dead head 7 is provided with a groove, this groove is corresponding with this projection, this groove has only an end opening, opening one end is positioned at the side that dead head 7 is connected with clamp body 1, this projection on the top parts 8 can slip into dead head 7 along this groove, thereby realizes top parts 8 are slidedly arranged in the dead head 7.It will be appreciated by those skilled in the art that, this is this projection and a kind of setting that play the guiding role commonly used of cooperating of this groove, in the present embodiment, be 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 was squeezed, top parts 8 can be by push rod 3 extrusion springs 2.Top parts 8 are slidedly arranged on after this installing hole, three claw bars 9 of eradicating are inserted in three perforates 81 on the top parts 8 one to one, and pass from the other end of top parts 8, at the other end of top parts 8 the 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), and is by screw that 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 the top parts can be carried out corresponding change according to actual needs, as long as on dead head, set corresponding groove equally; The quantity of pusher dog bar also can corresponding change, as long as can satisfy workpiece is fixed, and it can not got final product with respect to top rotation; The effect of triangle locating piece is those pusher dog bars of location, as long as can make that therefore the stopping means of pusher dog bar location all is operable; Selecting spring in addition also only is the usefulness of embodiment, and other retractor devices as long as can satisfy the use needs, all can use namely can for the top device of enough pressure that provides.
Though more than described the specific embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.
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, have a cavity of axially offering along this clamp body in 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 an installing hole that connects, these top parts are slidedly arranged in this installing hole, this clamp mechanism axially is slidedly arranged in these top parts along these top parts, one end of this dead head and an end of this clamp body are fixed, make the corresponding connection with this cavity of this installing hole, and an end of these top parts holds out against by a positioning block and this telescoping mechanism, and an end of this clamp mechanism is embedded in this locating piece, and an end that runs 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, an end of this spring is fixed in this cavity of this clamp body, and an 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 the internal face of this dead head is provided with at least one groove, the side wall surface of these top parts is provided with at least one projection, those projections correspondence one by one 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 and the perforate parallel with the center line of these top parts, and an end of those pusher dog bars is corresponding those perforates of insertion one by one;Offer at least one limiting section on this locating piece, an 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 |
|---|---|---|---|
| CN 201320072714 CN203140794U (en) | 2013-02-08 | 2013-02-08 | Centre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320072714 CN203140794U (en) | 2013-02-08 | 2013-02-08 | Centre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203140794U true CN203140794U (en) | 2013-08-21 |
Family
ID=48968350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320072714 Expired - Fee Related CN203140794U (en) | 2013-02-08 | 2013-02-08 | Centre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203140794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028788A (en) * | 2013-02-08 | 2014-09-10 | 上海华迅汽车配件有限公司 | Centre |
-
2013
- 2013-02-08 CN CN 201320072714 patent/CN203140794U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028788A (en) * | 2013-02-08 | 2014-09-10 | 上海华迅汽车配件有限公司 | Centre |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130821 Termination date: 20170208 |