CN207668536U - Self-centering follow-rest for numerically controlled lathe - Google Patents
Self-centering follow-rest for numerically controlled lathe Download PDFInfo
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- CN207668536U CN207668536U CN201721847150.1U CN201721847150U CN207668536U CN 207668536 U CN207668536 U CN 207668536U CN 201721847150 U CN201721847150 U CN 201721847150U CN 207668536 U CN207668536 U CN 207668536U
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Abstract
A kind of self-centering follow-rest for numerically controlled lathe, it includes the mobile work platform being installed on numerically controlled lathe, the mobile work platform can prolong the axial movement of workpiece, electric driving tool post and follow-rest are provided in mobile work platform, the follow-rest includes pedestal, the upper end of the pedestal is C-shaped frame, the center of the C-shaped frame and the center overlapping of axles of workpiece, the radial direction of C-shaped frame is provided at least three slide, the slide can be moved along the radially inner and outer of C-shaped frame, and the wear plate that can be offseted with workpiece is equipped in the inner end of slide；The C-shaped frame back side is provided with driving device, which can drive 3 slides to be moved to inner end, clamping workpiece, self-centering.The utility model can prevent workpiece from being shaken in turning process, substantially increase the machining accuracy of workpiece to self-centering near the machining area of workpiece, have simple in structure, easy to operate, the fast advantage of process velocity, especially suitable for processing long axis workpiece.
Description
Technical field
It is specifically a kind of for numerically controlled lathe and electricity the utility model is related to a kind of numerically controlled lathe for turning
The synchronization-moving follow-rest of movable knife rack.
Background technology
Numerically controlled lathe is to use relatively broad one of numerically-controlled machine tool at present, it can be according to the processing journey woven in advance
Sequence is automatically processed part to be processed.It is mainly used for the inside and outside cylindrical surface of axial workpiece or disk-like accessory, arbitrary cone angle
Inside and outside circular conical surface, the machinings such as positive camber and cylinder, tapered tread in complicated revolution.Current numerically controlled lathe is to some
When long axis workpiece is processed, usual long axis workpiece both ends machining accuracy is also possible that but interlude is big due to shaking, and precision is very low,
Follow-rest is set to prevent work pieces process areas adjacent from shaking in the side of electric driving tool post for a little people.Current follow-rest is all
By adjusting centering manually, the only very sufficient master craftsman of some experiences could be competent at, very troublesome.Patent Office of the People's Republic of China was in 2016
Disclosed in April 6, application No. is the uniform reducing elongated shaft follow-rests of 201610067980.6 turning, it is on follow-rest seat
Circular disk surface it is radially mounted there are three chuck, partly may pass through one of them before the lathe tool being sandwiched on lathe square tool post
Chuck is simultaneously fixed thereon, and another two chuck is separately installed with shield shaft of the inner end with shield axle bearing, and corresponding each chuck is set
It is equipped with the guiding mechanism being moved forward and backward to circular disk center for it, rack is respectively arranged in the both sides of each chuck, it is adjacent
The idle wheel gear being mounted on circular disk by two between the opposite rack of two chucks makes to be intermeshed between them.It
Disadvantage is that electric driving tool post cutter both passes through circular disk, can not tool changing, other two chuck can not carry out workpiece automatic
Centering, blade need while being offset in turning the vibrations of workpiece, can not ensure there is higher machining accuracy.
Invention content
The purpose of this utility model is that in view of the above-mentioned defects in the prior art and insufficient, for people provide it is a kind of can be to work
Self centering follow-rest near the machining area of part, to improve the precision to long axis workpiece turnery processing.
Technical solution adopted in the utility model is to achieve the above object：This for numerically controlled lathe self-centering with
Knife rest, it includes the mobile work platform being installed on numerically controlled lathe, which can prolong the axial movement of workpiece, in movement
Electric driving tool post and follow-rest are provided on workbench, the follow-rest includes pedestal, and the upper end of the pedestal is C-shaped frame, institute
The center for the C-shaped frame stated and the center overlapping of axles of workpiece are provided at least three slide, the slide energy in the radial direction of C-shaped frame
Radially inner and outer along C-shaped frame moves, and the wear plate that can be offseted with workpiece is equipped in the inner end of slide；The C-shaped frame back side setting
There is driving device, which can drive 3 slides to be moved to inner end, clamping workpiece, self-centering.
C-channel is offered in the C-shaped frame, the guide pin of C fonts, the driving device are embedded in C-channel
Energy band action-oriented piece can rotate in C-channel, offer guide groove in guide pin, the slide is equipped with slide wheel, the cunning
In the embedded guide groove of seat wheel, when guide pin rotates, by the cooperation of guide groove and slide wheel, slide is made to synchronize along C-shaped frame
Radially inner and outer movement.
The driving device is hydraulic cylinder, and drive link, one end of drive link and hydraulic cylinder are hinged at the back side of C-shaped frame
Telescopic rod be connected, the other end is connected with guide pin.
The C-channel bottom is provided with leading block, and arc groove is offered on guide pin, and the leading block is embedded in
In in arc groove.
Two endpoints of the guide groove are respectively at using the rotation center of guide pin as the circle of the different radii in the center of circle
On, when guide pin being made to rotate, the radial power along C-shaped frame can be applied to slide wheel and slide.
It is buckled with cover board on the outside of the C-channel.
The C-shaped frame side wall offers sliding slot, and the slide activity is interspersed in sliding slot.
The slide includes pedestal and slide bar, and the slide wheel is mounted on pedestal, and the wear plate is fixed on
One end of slide bar, pedestal and slide bar are locked by latch segment, and opposite rack is provided on slide bar and latch segment, can adjust cunning
Bar stretches out the length of pedestal.
The opening of the C-shaped frame is opposite with electric driving tool post.
The utility model drives guide pin rotation when carrying out turnery processing to workpiece, by hydraulic cylinder, due to guide groove
With the cooperation of slide wheel, slide is driven to move inward, by the Workpiece clamping of rotation, self-centering prevents workpiece in turning process
Middle shaking substantially increases the machining accuracy of workpiece, has simple in structure, easy to operate, the fast advantage of process velocity, especially suitable
For processing long axis workpiece.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the vertical view of the utility model.
Fig. 3 is the stereogram exploded view of the utility model follow-rest.
Fig. 4 is the structural exploded view of the utility model slide.
Fig. 5 is the sectional view of the utility model slide.
Specific implementation mode
As shown in Figure 1 and Figure 2, the utility model is a kind of self-centering follow-rest for numerically controlled lathe, it includes installation
In the mobile work platform 5 on numerically controlled lathe, which can prolong the axial movement of workpiece 3, be set in mobile work platform 5
It is equipped with electric driving tool post 4 and follow-rest.Workpiece 3, which is driven in processing by lathe, to be rotated, and the cylindrical cutter on electric driving tool post 4 is close to workpiece
Automatic turning after 3, follow-rest is for preventing workpiece 3 from shaking.
The follow-rest includes pedestal 6, and the upper end of the pedestal 6 is C-shaped frame 6.1, the center of the C-shaped frame 6.1
With the center overlapping of axles of workpiece 3.The opening of the C-shaped frame 6.1 is opposite with electric driving tool post 4, does not interfere with electric driving tool post 4 and changes
Knife.The radial direction of C-shaped frame 6.1 is provided at least three slide 1, the slide 1 can be moved along the radially inner and outer of C-shaped frame 6.1,
The wear plate 1.3 that can be offseted with workpiece 3 is equipped in the inner end of slide 1.6.1 side wall of C-shaped frame offers sliding slot 6.3, institute
1 activity of slide stated is interspersed in sliding slot 6.3.6.1 back side of the C-shaped frame is provided with driving device, which can drive 3
A slide 1 is moved to inner end, clamping workpiece 3, self-centering.
As shown in figure 3, C-channel 6.2 is offered in the C-shaped frame 6.1, the leading embedded with C fonts in C-channel 6.2
To piece 9,6.2 bottom of the C-channel is provided with leading block 10, and arc groove 9.2, the guiding are offered on guide pin 9
Pulley 10 is in arc groove 9.2, therefore guide pin 9 can be moved along C-channel 6.2.The driving device energy band action-oriented
Piece 9 can the rotation in C-channel 6.2.The driving device is hydraulic cylinder 7, and drive link 8 is hinged at the back side of C-shaped frame 6.1,
One end of drive link 8 is connected with the telescopic rod of hydraulic cylinder 7, and the other end is connected with guide pin 9, the drive link 8 of hydraulic cylinder 7 stretch out or
Energy band action-oriented piece 9 is retracted to rotate.
The guide pin 9 offers guide groove 9.1, and the slide 1 is equipped with slide wheel 1.1, and the slide wheel 1.1 is embedding
Enter in guide groove 9.1, when guide pin 9 rotates, by the cooperation of guide groove 9.1 and slide wheel 1.1, multiple slides 1 is made to synchronize
Radially inner and outer along C-shaped frame 6.1 moves.Specifically, two endpoints of the guide groove 9.1 are respectively at guide pin
9 rotation center is that when guide pin 9 being made to rotate, can apply slide wheel 1.1 and slide 1 along C on the circle of the different radii in the center of circle
The radial power of shape frame 6.1.The outside of the C-channel 6.2 is buckled with cover board 2.
As shown in Figure 4, Figure 5, the slide 1 includes pedestal 1.2 and slide bar 1.4, and the slide wheel 1.1 installation is present
On body 1.2, the wear plate 1.3 is fixed on one end of slide bar 1.4, and pedestal 1.2 and slide bar 1.4 are locked by latch segment 1.5,
It is provided with opposite rack on slide bar 1.4 and latch segment 1.5, the length that slide bar 1.4 stretches out pedestal 1.2 can be adjusted.
The utility model drives guide pin 9 to rotate when carrying out turnery processing to workpiece 3, by hydraulic cylinder 7, due to being oriented to
The cooperation of slot 9.1 and slide wheel 1.1 drives slide 1 to move inward, the workpiece 3 of rotation is clamped, self-centering prevents workpiece 3
It is shaken in turning process, substantially increases the machining accuracy of workpiece 3, have simple in structure, easy to operate, process velocity is fast
Advantage, especially suitable for processing long axis workpiece.
Claims (9)
1. a kind of self-centering follow-rest for numerically controlled lathe, it includes the mobile work platform being installed on numerically controlled lathe（5）,
The mobile work platform（5）Workpiece can be prolonged（3）Axial movement, in mobile work platform（5）On be provided with electric driving tool post（4）With with knife
Frame, it is characterised in that the follow-rest includes pedestal（6）, the pedestal（6）Upper end be C-shaped frame（6.1）, the C-shaped
Frame（6.1）Center and workpiece（3）Center overlapping of axles, in C-shaped frame（6.1）Radial direction be provided at least three slide（1）, institute
The slide stated（1）It can be along C-shaped frame（6.1）Radially inner and outer movement, in slide（1）Inner end be equipped with can and workpiece（3）It offsets
Wear plate（1.3）；The C-shaped frame（6.1）The back side is provided with driving device, which can drive 3 slides（1）To inner end
It is mobile, clamping workpiece（3）, self-centering.
2. the self-centering follow-rest according to claim 1 for numerically controlled lathe, it is characterised in that the C-shaped frame
（6.1）On offer C-channel（6.2）, in C-channel（6.2）The interior guide pin embedded with C fonts（9）, the driving device energy
Drive guide pin（9）It can be in C-channel（6.2）Interior rotation, in guide pin（9）Offer guide groove（9.1）, the slide（1）
It is equipped with slide wheel（1.1）, the slide wheel（1.1）Embedded guide groove（9.1）It is interior, in guide pin（9）When rotation, pass through guide groove
（9.1）With slide wheel（1.1）Cooperation, make slide（1）It synchronizes along C-shaped frame（6.1）Radially inner and outer movement.
3. the self-centering follow-rest according to claim 2 for numerically controlled lathe, it is characterised in that the driving dress
It is set to hydraulic cylinder（7）, in C-shaped frame（6.1）The back side be hinged with drive link（8）, drive link（8）One end and hydraulic cylinder（7）'s
Telescopic rod is connected, the other end and guide pin（9）It is connected.
4. the self-centering follow-rest according to claim 2 for numerically controlled lathe, it is characterised in that the C-channel
（6.2）Bottom is provided with leading block（10）, in guide pin（9）On offer arc groove（9.2）, the leading block（10）
Flush-mounted in arc groove（9.2）It is interior.
5. the self-centering follow-rest according to claim 2 for numerically controlled lathe, it is characterised in that the guide groove
（9.1）Two endpoints be respectively at guide pin（9）Rotation center be the center of circle different radii circle on, make guide pin
（9）It, can be to slide wheel when rotation（1.1）And slide（1）Apply along C-shaped frame（6.1）Radial power.
6. the self-centering follow-rest according to claim 2 for numerically controlled lathe, it is characterised in that the C-channel
（6.2）Outside be buckled with cover board（2）.
7. according to any self-centering follow-rests for numerically controlled lathe of claim 1-6, it is characterised in that the C
Shape frame（6.1）Side wall offers sliding slot（6.3）, the slide（1）Activity is interspersed in sliding slot（6.3）It is interior.
8. according to any self-centering follow-rests for numerically controlled lathe of claim 1-6, it is characterised in that described
Slide（1）Including pedestal（1.2）And slide bar（1.4）, the slide wheel（1.1）Mounted on pedestal（1.2）On, described is wear-resisting
Piece（1.3）It is fixed on slide bar（1.4）One end, pedestal（1.2）And slide bar（1.4）Pass through latch segment（1.5）Locking, in slide bar
（1.4）And latch segment（1.5）On be provided with opposite rack, slide bar can be adjusted（1.4）Stretch out pedestal（1.2）Length.
9. according to any self-centering follow-rests for numerically controlled lathe of claim 1-6, it is characterised in that the C-shaped
Frame（6.1）Opening and electric driving tool post（4）Relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847150.1U CN207668536U (en) | 2017-12-26 | 2017-12-26 | Self-centering follow-rest for numerically controlled lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847150.1U CN207668536U (en) | 2017-12-26 | 2017-12-26 | Self-centering follow-rest for numerically controlled lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207668536U true CN207668536U (en) | 2018-07-31 |
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ID=62970418
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721847150.1U Active CN207668536U (en) | 2017-12-26 | 2017-12-26 | Self-centering follow-rest for numerically controlled lathe |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080665A (en) * | 2017-12-26 | 2018-05-29 | 宁波市鄞州冠浙数控设备有限公司 | For the self-centering follow-rest of numerically controlled lathe |
| CN109396877A (en) * | 2018-12-20 | 2019-03-01 | 常州机电职业技术学院 | Turning method for excircle of metal hollow pipe |
| CN110116319A (en) * | 2019-06-21 | 2019-08-13 | 常州市腾创机械科技有限公司 | A kind of self-locking type numerical control electric follow-rest |
| CN112222883A (en) * | 2020-09-24 | 2021-01-15 | 上海大隆机器厂有限公司 | Shaft bracket device for milling large screw rotor |
| CN113601205A (en) * | 2021-07-14 | 2021-11-05 | 三峡大学 | Auxiliary centering support clamp for turning end of elongated cold drawn pipe and using method |
-
2017
- 2017-12-26 CN CN201721847150.1U patent/CN207668536U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080665A (en) * | 2017-12-26 | 2018-05-29 | 宁波市鄞州冠浙数控设备有限公司 | For the self-centering follow-rest of numerically controlled lathe |
| CN109396877A (en) * | 2018-12-20 | 2019-03-01 | 常州机电职业技术学院 | Turning method for excircle of metal hollow pipe |
| CN110116319A (en) * | 2019-06-21 | 2019-08-13 | 常州市腾创机械科技有限公司 | A kind of self-locking type numerical control electric follow-rest |
| CN112222883A (en) * | 2020-09-24 | 2021-01-15 | 上海大隆机器厂有限公司 | Shaft bracket device for milling large screw rotor |
| CN113601205A (en) * | 2021-07-14 | 2021-11-05 | 三峡大学 | Auxiliary centering support clamp for turning end of elongated cold drawn pipe and using method |
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