CN204108324U - A kind of servo-hydraulic tail frame device - Google Patents

A kind of servo-hydraulic tail frame device Download PDF

Info

Publication number
CN204108324U
CN204108324U CN201420473297.9U CN201420473297U CN204108324U CN 204108324 U CN204108324 U CN 204108324U CN 201420473297 U CN201420473297 U CN 201420473297U CN 204108324 U CN204108324 U CN 204108324U
Authority
CN
China
Prior art keywords
tailstock
sleeve
servomotor
endoporus
hydraulic
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.)
Active
Application number
CN201420473297.9U
Other languages
Chinese (zh)
Inventor
谭永娣
赵义顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing CNC Machine Tool Co Ltd
Original Assignee
Nanjing CNC Machine Tool Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing CNC Machine Tool Co Ltd filed Critical Nanjing CNC Machine Tool Co Ltd
Priority to CN201420473297.9U priority Critical patent/CN204108324U/en
Application granted granted Critical
Publication of CN204108324U publication Critical patent/CN204108324U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of servo-hydraulic tail frame device, comprises lathe vehicle body, also comprises hydraulic pressure tailstock and servomotor screw rod driving device; Described hydraulic pressure tailstock comprises tailstock body and is arranged on the sleeve in tailstock body endoporus; The endoporus of described sleeve front and back end is separately installed with thimble and piston rod, the rear end face of described sleeve is also provided with flange, piston rod is set in the rear end endoporus of sleeve by this flange, the endoporus of described sleeve and piston rod constitute front oil suction chamber and retreat oil pocket, and the rear end of described piston rod is also connected with oil dividing plate.The utility model is by arranging servomotor screw rod driving device, hydrodynamic pressure tailstock can be with to move integrally, by piston rod to the position adjustments of sleeve and thimble and servomotor screw rod driving device to the position adjustments of whole hydraulic pressure tailstock, in feeding process, effectively can get out of the way enough upper material spaces, and operation is more simple and efficient.

Description

A kind of servo-hydraulic tail frame device
Technical field
The utility model relates to a kind of tail frame device of Digit Control Machine Tool, is a kind of servo-hydraulic tail frame device specifically.
Background technology
In machining, during horizontal NC lathe processing major axis cylinder cover parts, such as, during the profile of the workpiece such as automobile axle or body, are all the endoporus adopting spindle nose to install special fixture stretching workpiece, coordinate the top top tight workpiece of hydraulic pressure tailstock or the afterbody of fixture.Because special fixture size is all very long, and the cover barrel stroke of hydraulic pressure tailstock is limited, during material loading, the distance that tailstock directly retreats is not enough to fixture is installed, need the overall Z-direction of tailstock to retreat and get out of the way material space, and after workpiece puts fixture, processing desired location retracted by tailstock again Z-direction, often processing a workpiece hydraulic pressure tailstock body must Z-direction move once, the process operation inconvenience of such material loading, expend time in long, cause operating efficiency step-down, moreover the hydraulic pressure tailstock that general lathe is arranged all can not meet this cutting demand.
In addition, when most of hydraulic pressure tailstock adjustment position, controlled the position of tailstock by manual remote control screw rod, Artificial Control translational speed is relatively slow, locates inaccurate, and can not meet the accuracy of numerical control machine tool cutting, working (machining) efficiency obviously reduces.
utility model summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of good rigidly, is applicable to the special cutterhead of crankshaft type part high-rate cutting.
Technical scheme: for solving the problem, the utility model provides a kind of servo-hydraulic tail frame device, comprises lathe vehicle body, also comprises hydraulic pressure tailstock and servomotor screw rod driving device; Described hydraulic pressure tailstock comprises tailstock body and is arranged on the sleeve in tailstock body endoporus; The endoporus of described sleeve front and back end is separately installed with thimble and piston rod, the rear end face of described sleeve is also provided with flange, piston rod is set in the rear end endoporus of sleeve by this flange, the endoporus of described sleeve and piston rod constitute front oil suction chamber and retreat oil pocket, the rear end of described piston rod is also connected with oil dividing plate, and this oil dividing plate is also fixedly mounted on the rear end face of tailstock body, and described oil dividing plate and piston rod are equipped with turnover oilhole, lead to front oil suction chamber respectively and retreat oil pocket; Described lathe vehicle body is also provided with footstock guide, and described tailstock body is arranged on footstock guide; Described servomotor screw rod driving device comprises programmable servomotor, ball screw, front-end bearing pedestal and rear bearing block; Described axle bearing is installed on lathe vehicle body, ball screw two ends are divided and are arranged in axle bearing, servomotor is then arranged on rear bearing block, and servomotor is connected with ball leading screw driving, described ball screw is connected with tailstock body, and tailstock physical efficiency moves under the acting in conjunction of servomotor and ball screw on footstock guide.
Wherein, described footstock guide is also provided with locking pressure plate, described tailstock body is arranged on footstock guide by locking pressure plate, is also provided with hydraulic locking piston in described locking pressure plate.Hydraulic locking piston is equivalent to the locking device of tailstock body, and hydraulic locking piston is moved upward by hydraulic drive piston, is locked on footstock guide by tailstock body.
Wherein, described sleeve is also provided with long keyway, in this long keyway, is provided with key, and this key is fixedly mounted on the endoporus of tailstock body.By matching of long keyway and key, the stroke of sleeve can be limited on the one hand, thus the stroke of restriction thimble, can ensure that sleeve and tailstock body do not relatively rotate on the other hand.
Wherein, servomotor is connected by shaft coupling transmission with ball screw.Servomotor and ball screw can not only pass through shaft coupling transmission, can also adopt odontoid belt indirect drive.
Wherein, the iron of stopping regulating guide clearance is also provided with between described tailstock body and footstock guide.Can make to keep suitable sideshake between tailstock body and footstock guide by the adjustment of iron of stopping, be conducive to the slip of tailstock body on footstock guide.
Wherein, be equipped with bearing in described axle bearing, ball screw is arranged in axle bearing by bearing.
Beneficial effect: compared with prior art, the utility model has the following advantages: the utility model is by arranging servomotor screw rod driving device, hydrodynamic pressure tailstock can be with to move integrally, by piston rod to the position adjustments of sleeve and thimble and servomotor screw rod driving device to the position adjustments of whole hydraulic pressure tailstock, in feeding process, effectively can get out of the way enough upper material spaces, and operate more simple and efficient, and servomotor of the present utility model can participate in numerical control of machine tools programming, degree of regulation is high, position can arbitrarily set, practicality is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is Fig. 1 side view.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
See figures.1.and.2, a kind of servo-hydraulic tail frame device, comprises lathe vehicle body 1, also comprises hydraulic pressure tailstock and servomotor screw rod driving device; The sleeve 3 that hydraulic pressure tailstock comprises tailstock body 2 and is arranged in tailstock body 2 endoporus; The endoporus of described sleeve 3 front and back end is separately installed with thimble 4 and piston rod 5, and the front end endoporus of sleeve 3 is Mohs endoporus.
The rear end face of sleeve 3 is also provided with flange 6, piston rod 5 is set in the rear end endoporus of sleeve 3 by this flange 6, the endoporus of sleeve 3 and piston rod 5 constitute front oil suction chamber 51 and retreat oil pocket 52, the rear end of described piston rod 5 is also connected with oil dividing plate 7, and this oil dividing plate 7 is also fixedly mounted on the rear end face of tailstock body 2, and oil dividing plate 7 and piston rod 5 are equipped with turnover oilhole, lead to front oil suction chamber 51 respectively and retreat oil pocket 52.
Fluid be input to respectively front oil suction chamber 51 by turnover oilhole and retreat in oil pocket 52, then can the moving forward and backward of drive sleeve 3 by hydraulic-driven, thus control moving forward and backward of thimble 4.
Described lathe vehicle body 1 is also provided with footstock guide 8, and described tailstock body 2 is arranged on footstock guide 8; Described servomotor screw rod driving device comprises programmable servomotor 9, ball screw 10, front-end bearing pedestal 11 and rear bearing block 12; Described axle bearing is installed on lathe vehicle body 1, ball screw 10 two ends are divided and are arranged in axle bearing, servomotor 9 is arranged on rear bearing block 12, and servomotor 9 is connected with ball screw 10 transmission, described ball screw 10 is connected with tailstock body 2 by nut, and tailstock body 2 can move under the acting in conjunction of servomotor 9 and ball screw 10 on footstock guide 8.
Concrete, footstock guide 8 is also provided with locking pressure plate 13, and described tailstock body 2 is arranged on footstock guide 8 by locking pressure plate 13, is also provided with hydraulic locking piston 14 in described locking pressure plate 13.
Concrete, sleeve 3 is also provided with long keyway 15, in this long keyway 15, is provided with key 16, and this key 16 is fixedly mounted on the endoporus of tailstock body 2.
Concrete, servomotor 9 is connected by shaft coupling 17 transmission with ball screw 10.
Concrete, be also provided with the iron 18 of stopping regulating guide clearance between tailstock body 2 and footstock guide 8.
Concrete, be equipped with bearing 19 in axle bearing, ball screw 10 is arranged in axle bearing by bearing 19.
The utility model operationally, first by Digit Control Machine Tool, servomotor is programmed, the hydraulic locking piston in hydraulic pressure tailstock pressing plate is unclamped by hydraulic control, servomotor according to programming drive ball screw drive whole hydraulic pressure tailstock backward movement get out of the way upper material space, because the stroke of ball screw is larger, there are enough space material loadings, after material loading, servomotor drives hydraulic pressure tailstock body to move forward to Working position again, hydraulic control hydraulic pressure latching ram locking machine tool guideway, fluid be input to respectively front oil suction chamber by turnover oilhole again and retreat in oil pocket, can the moving forward and backward of drive sleeve by hydraulic-driven, thus control moving forward and backward of thimble, control sleeve is top withstand workpiece after, lathe and machinable.
The foregoing is only better embodiment of the present utility model; protection domain of the present utility model is not limited with above-mentioned embodiment; in every case those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, and all should include in the protection domain recorded in claims.

Claims (6)

1. a servo-hydraulic tail frame device, comprises lathe vehicle body (1), it is characterized in that: also comprise hydraulic pressure tailstock and servomotor screw rod driving device, described hydraulic pressure tailstock comprises tailstock body (2) and is arranged on the sleeve (3) in tailstock body (2) endoporus, the endoporus of described sleeve (3) front and back end is separately installed with thimble (4) and piston rod (5), the rear end face of described sleeve (3) is also provided with flange (6), piston rod (5) is set in the rear end endoporus of sleeve (3) by this flange (6), the endoporus of described sleeve (3) and piston rod (5) constitute front oil suction chamber (51) and retreat oil pocket (52), the rear end of described piston rod (5) is also connected with oil dividing plate (7), and this oil dividing plate (7) is also fixedly mounted on the rear end face of tailstock body (2), and described oil dividing plate (7) and piston rod (5) are equipped with turnover oilhole, lead to front oil suction chamber (51) respectively and retreat oil pocket (52), described lathe vehicle body (1) is also provided with footstock guide (8), and described tailstock body (2) is arranged on footstock guide (8), described servomotor screw rod driving device comprises programmable servomotor (9), ball screw (10), front-end bearing pedestal (11) and rear bearing block (12), described axle bearing is installed on lathe vehicle body (1), ball screw (10) two ends are divided and are arranged in axle bearing, servomotor then (9) is arranged on rear bearing block (12), and servomotor (9) is connected with ball screw (10) transmission, described ball screw (10) is also connected with tailstock body (2), and tailstock body (2) can be upper mobile at footstock guide (8) under the acting in conjunction of servomotor (9) and ball screw (10).
2. a kind of servo-hydraulic tail frame device according to claim 1, it is characterized in that: described footstock guide (8) is also provided with locking pressure plate (13), described tailstock body (2) is arranged on footstock guide (8) by locking pressure plate (13), is also provided with hydraulic locking piston (14) in described locking pressure plate (13).
3. a kind of servo-hydraulic tail frame device according to claim 1, it is characterized in that: described sleeve (3) is also provided with long keyway (15), be provided with key (16) in this long keyway (15), and this key (16) is fixedly mounted on the endoporus of tailstock body (2).
4. a kind of servo-hydraulic tail frame device according to claim 1, is characterized in that: servomotor (9) is connected by shaft coupling (17) transmission with ball screw (10).
5. a kind of servo-hydraulic tail frame device according to claim 1, is characterized in that: be also provided with the iron of stopping (18) regulating guide clearance between described tailstock body (2) and footstock guide (8).
6. a kind of servo-hydraulic tail frame device according to claim 1, it is characterized in that: be equipped with bearing (19) in described axle bearing, ball screw (10) is arranged in axle bearing by bearing (19).
CN201420473297.9U 2014-08-20 2014-08-20 A kind of servo-hydraulic tail frame device Active CN204108324U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420473297.9U CN204108324U (en) 2014-08-20 2014-08-20 A kind of servo-hydraulic tail frame device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420473297.9U CN204108324U (en) 2014-08-20 2014-08-20 A kind of servo-hydraulic tail frame device

Publications (1)

Publication Number Publication Date
CN204108324U true CN204108324U (en) 2015-01-21

Family

ID=52325682

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420473297.9U Active CN204108324U (en) 2014-08-20 2014-08-20 A kind of servo-hydraulic tail frame device

Country Status (1)

Country Link
CN (1) CN204108324U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104827061A (en) * 2015-03-26 2015-08-12 宁夏新瑞长城机床有限公司 Bi-station programming tailstock
CN104841960A (en) * 2015-06-04 2015-08-19 浙江日创机电科技有限公司 Suspension type center tail bracket
CN105478812A (en) * 2016-02-25 2016-04-13 濮阳贝英数控机械设备有限公司 Servo hydraulic tailstock
CN107335814A (en) * 2017-08-08 2017-11-10 英伟达(江苏)机床有限公司 A kind of novel hydraulic tailstock brake structure
CN108687206A (en) * 2018-04-26 2018-10-23 盐城工业职业技术学院 A kind of spinning aircraft tail shelf
CN110480097A (en) * 2019-08-12 2019-11-22 福州泉运制版有限公司 One kind going copper sheet equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104827061A (en) * 2015-03-26 2015-08-12 宁夏新瑞长城机床有限公司 Bi-station programming tailstock
CN104841960A (en) * 2015-06-04 2015-08-19 浙江日创机电科技有限公司 Suspension type center tail bracket
CN105478812A (en) * 2016-02-25 2016-04-13 濮阳贝英数控机械设备有限公司 Servo hydraulic tailstock
CN107335814A (en) * 2017-08-08 2017-11-10 英伟达(江苏)机床有限公司 A kind of novel hydraulic tailstock brake structure
CN108687206A (en) * 2018-04-26 2018-10-23 盐城工业职业技术学院 A kind of spinning aircraft tail shelf
CN110480097A (en) * 2019-08-12 2019-11-22 福州泉运制版有限公司 One kind going copper sheet equipment

Similar Documents

Publication Publication Date Title
CN204108324U (en) A kind of servo-hydraulic tail frame device
CN202239954U (en) Automatic hydraulic double-end chamfering machine
CN203448771U (en) Full-automatic superhard metal circular saw
CN202805686U (en) Numerical control (NC) rapid hydraulic punching machine
CN202667665U (en) Processing device for lining oil groove
CN204183002U (en) A kind of workpiece inside groove milling attachment
CN203330845U (en) Automatic polishing machine used for polishing and finishing knife handle surface
CN205147341U (en) Dustproof hydraulic tailstock
CN203316742U (en) Pneumatic lathe tailstock
CN203236325U (en) Double-station magnet forming grinder
CN204935277U (en) A kind of Shaft bearing roller cylindrical grinder
CN204182933U (en) A kind of Pneumatic tailstock of numerically controlled lathe
CN204221540U (en) Vertical Double-ended internal grinding machine
CN204321204U (en) High accuracy cam copying lathe
CN103317156A (en) Pneumatic tailstock of machine tool
CN202240440U (en) Pneumatic double-head chamfering machine
CN204075899U (en) Numerical control vertical shaft internal grinder
CN203141290U (en) Bearing ring internal wheel and external wheel processing machine
CN202922390U (en) Long stroke tailstock for cylindrical grinder
CN205325280U (en) End surface milling machine's anchor clamps
CN201505854U (en) Simultaneous grinding machine tool of ditch slopes of angular contact bearing
CN203636527U (en) Flat grinder with horizontal spindle and rectangular worktable
CN204867450U (en) Tailstock for lathe
CN212885069U (en) Hydraulic device for tailstock of numerical control lathe
CN105033360A (en) Easy tool changing mechanism of numerical control gear hobbing machine

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant