CN106424773A - Rotating and telescopic sub-spindle device with tight break - Google Patents
Rotating and telescopic sub-spindle device with tight break Download PDFInfo
- Publication number
- CN106424773A CN106424773A CN201611155592.XA CN201611155592A CN106424773A CN 106424773 A CN106424773 A CN 106424773A CN 201611155592 A CN201611155592 A CN 201611155592A CN 106424773 A CN106424773 A CN 106424773A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- main shaft
- casing
- piston
- pressing cover
- 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
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
- B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
- B23B31/302—Hydraulic equipment, e.g. pistons, valves, rotary joints
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
Provided is a rotating and telescopic sub-spindle device with a tight break. A hydraulic chuck is connected with a spindle through a flange fixed to the right side of the hydraulic chuck, a pull rod is arranged in the spindle in a sleeved mode, the hydraulic chuck is fixedly connected with one end of the pull rod, the other end of the pull rod is connected with a rotating oil cylinder, and the rotating oil cylinder is connected with a belt pulley through an oil cylinder flange fixed to the left side of the rotating oil cylinder. The device is a sub-spindle structure which can clamp parts and can also apply axial tensile force to long shaft type parts and is provided with an automatic locking mechanism. According to the structure, after the chuck is removed, a fixed center is placed in an inner cone hole of the spindle, and then the hydraulic tailstock function can be achieved.
Description
Technical field
The tight pair main shaft device the present invention relates to heavy-duty machinery technical field, more particularly to a kind of revolution, scalable, band are stopped.
Background technology
In the various draw ratios such as space flight, ship, wind-powered electricity generation, water power, military project, mine, train, automobile big axle classes, tubing
In the part course of processing, it was that tailstock mechanism holds out against part or tailstock mechanism is replaced by secondary main shaft using secondary spindle chuck folder in the past
Tight or internal stay part and carry out the processing of part.What now tailstock was used is top often for stationary center, such as uses stationary center
After when holding out against part, tailstock must move to relevant position in advance, stretching out or retracting and carry out part by hydraulic control stationary center
Hold out against or unclamp, then carry out work pieces process.After tailstock mechanism is replaced by secondary main shaft, secondary main shaft also must move to phase in advance
After answering position, clamped by secondary spindle chuck or internal stay part, then the processing for carrying out part.There is drawback in this two kinds of processing modes
For：When holding out against processing of longaxones parts is carried out using tailstock mechanism, part is subjected to clamping force and axial compressive force, such as using secondary
When spindle chuck clamping or the processing of internal stay part, part is solely subjected to a clamping force, gives to limit without other power, now
Part draw ratio is larger, and centre position easily occurs significantly to swing, and processing linear speed is difficult too high, and the circularity of workpiece and fineness are not
Easily it is guaranteed.
Content of the invention
For overcoming problems of the prior art, the tight pair main shaft dress the invention provides a kind of revolution, scalable, band are stopped
Put.
The present invention solves its technical problem and is adopted the technical scheme that：This kind is turned round, scalable, band is stopped, and tight pair main shaft is filled
Put, oild chuck is connected with main shaft by being fixed on the flange on the right side of which, in main shaft, be equipped with pull bar, oild chuck and pull bar
One end be fixedly connected, the other end of pull bar is connected with angling cylinder, and angling cylinder is by fixing oil cylinder flange to the left
It is connected with belt wheel；
The front-end and back-end of main shaft are mounted on bearing, are also associated with belt wheel in the right part of main shaft, and main shaft is used as revolution
Body is rotatable；The front end of main shaft is by before sleeve, gland, rear end are by sleeve rear pressing cover and sleeve connection, and main shaft can relative sleeve
Carry out gyration；
Sleeve is externally provided with casing, is provided with piston between casing and sleeve, and casing is provided with casing rear pressing cover, case with the right-hand member of sleeve
Form a sealing cavity between body and piston, sleeve and casing rear pressing cover, casing correspond to sealing cavity position be provided with the first hydraulic fluid port and
Second hydraulic fluid port, can promote sleeve movable with main shaft during the first hydraulic fluid port/the second hydraulic fluid port filling hydraulic oil；
In the lower section of sleeve, tight body of stopping is installed, the center for stopping tight body is provided with the through hole perpendicular to sleeve axis,
Through hole is respectively arranged at two ends with piston body and rear pressing cover, is additionally provided with fixed piston against piston body on the outside of piston body, lives fixing
Side is provided with and front gland beyond the Great Wall, and the front gland and rear pressing cover are all fixed as one with casing by bolt；Front gland and fixation
Piston space is provided with disc spring, rear pressing cover and stops between tight body and is provided with disc spring；Be provided with oil filler point on front gland, fixed piston with stop tight
Body, disc spring composition Sha Jin mechanism.
Further, between the sleeve ends of close oild chuck and main shaft, inner seal ring and outer seal ring are provided with, interior close
Gland before sleeve is provided with the outside of seal ring and outer seal ring, is provided with sleeve rear pressing cover between the other end of sleeve and main shaft.
Further, spacer is provided between sleeve rear pressing cover and main shaft, and the right side of spacer leans over pulleys carried.
Further, inner spacing collar is axially arranged between bearing and main shaft.
To sum up, the having the beneficial effect that of the technique scheme of the present invention：
Both can holding parts, axial tension can be imposed to longaxones parts again while the one kind with automatic locking mechanism is secondary main
Axle construction.After the structure removes chuck, inner cone hole of main shaft places back dead centre, you can possess hydraulic tailstock function.
Description of the drawings
Fig. 1 is the axial sectional view of the present invention；
Fig. 2 is the sectional view of Figure 1A-A；
Fig. 3 is the partial enlarged drawing of B in Fig. 1；
Fig. 4 is the partial enlarged drawing of C in Fig. 1；
Fig. 5 is the partial enlarged drawing of D in Fig. 2.
In figure：
(1) oild chuck；(2) flange；(3) gland before sleeve；(4) outer seal ring；(5) sleeve；(6) gland before casing；
(7) casing；(8) main shaft；(9) piston；(10) first hydraulic fluid ports；(11) bearing；(12) second hydraulic fluid ports；(13) casing rear pressing cover；
(14) sleeve rear pressing cover；(15) belt wheel；(16) oil cylinder flange；(17) angling cylinder；(18) inner seal ring；(19) sealing cavity；
(20) inner spacing collar；(21) locking nut；(22) pull bar；(23) spacer；(24) gap；(25) gland before；(26) disc spring；(27) note
Oilhole；(28) fixed piston；(29) piston body；(30) stop tight body；(31) rear pressing cover；
Specific embodiment
Below in conjunction with accompanying drawing 1-5, the feature of the present invention and principle are described in detail, illustrated embodiment is only used for explaining
The present invention, not limits protection scope of the present invention with this.
As shown in Fig. 1, Fig. 3, Fig. 4, oild chuck 1 is connected with main shaft 8 by being fixed on the flange 2 on the right side of which, in main shaft
Pull bar is equipped with, oild chuck is fixedly connected with one end of pull bar 22, and the other end of pull bar is connected with angling cylinder 17, revolution oil
Cylinder is connected with belt wheel 15 by fixing oil cylinder flange 16 to the left.Can pass through angling cylinder 17 stretch out and retract through pull bar
Act on oild chuck 1 and realize the clamping to workpiece or internal stay.
The front-end and back-end of main shaft are mounted on bearing 11, are also associated with belt wheel 15, main shaft conduct in the right part of main shaft
Revolving body is rotatable.The front end of main shaft is connected with sleeve 5 by sleeve rear pressing cover 14 by gland 3, rear end before sleeve, main shaft and
Have certain gap 24 between sleeve, main shaft can relative sleeve carry out gyration.That is 8 front end of main shaft and inner seal ring 18 and bearing
Internal ring, inner spacing collar 20 and locking nut 21 are coupled, and 8 rear end of main shaft is by bearing 11, spacer 23, belt wheel 15 and locking nut
21 are coupled, and now main shaft 8 forms a revolving body.Main shaft 8 is by gland 3, outer seal ring 4 and sleeve rear pressing cover before sleeve
14 are coupled with 5 sleeves, can now make 8 relative sleeve 5 of main shaft carry out gyration.
Sleeve is externally provided with casing 7, and the front end outermost of casing is by 6 envelope pressure of gland before casing.It is provided between casing and sleeve
Piston, casing is provided with casing rear pressing cover 13 with the right-hand member of sleeve, forms one close between casing 7 and piston 9, sleeve and casing rear pressing cover
Envelope cavity 19, casing corresponds to sealing cavity position and is provided with the first hydraulic fluid port and the second hydraulic fluid port, and the first hydraulic fluid port/the second hydraulic fluid port fills hydraulic pressure
Sleeve can be promoted when oily movable with main shaft.Hydraulic oil is filled by the first hydraulic fluid port 10 and the second hydraulic fluid port 12, sleeve 5 can be made
Moving forward and backward with respect to casing 7 is produced with main shaft 8.
It is removable pair main axle structure above.
As shown in Fig. 2, Fig. 5, in the lower section of sleeve, tight body of stopping is installed, the center for stopping tight body is provided with perpendicular to sleeve
The through hole of axis, is respectively arranged at two ends with piston body and rear pressing cover 31 in through hole, is additionally provided with against piston body solid on the outside of piston body
Fixed piston, is provided with and front gland 25 on the outside of fixed piston, and the front gland and rear pressing cover are all fixed as with casing by bolt
Integrally；It is provided with disc spring 26 between front gland and fixed piston, rear pressing cover and stops between tight body and be provided with disc spring；Oiling is provided with front gland
Hole, fixed piston constitutes Sha Jin mechanism with tight body of stopping, disc spring.
Fixed piston 28 and tight body 30 and the composition of the disc spring 26 Sha Jin mechanism of stopping, carry out sleeve in 27 obstructed hydraulic pressure of oil filler point
Locking.
When oil filler point 27 is passed through hydraulic pressure, piston body 29 is promoted and stops tight body 30 and fixed piston 28 overcomes 26 power of disc spring to unclamp
Tight to stopping for sleeve.
Working condition one:Angling cylinder 17 acts on oild chuck 1 through pull bar 22 and opens, 27 hydraulic oil filling of oil filler point, Gu
Fixed piston 28 is unclamped with tight body 30 of stopping, and releases the locking to sleeve 5, and the first hydraulic fluid port 10 and the second hydraulic fluid port 12 pass in and out hydraulic oil, set
Cylinder 5 moves to the location of workpiece of setting with main shaft 8, oild chuck 1, and oild chuck 1 is clamped or tensioner workpiece.It is now general
Secondary spindle chuck clamping or internal stay part cooked mode, part is solely subjected to a clamping force, gives to limit without other power.
Working condition two:On the basis of above-mentioned action【Oild chuck 1 clamp or tensioner workpiece after】, by the first hydraulic fluid port 10
Hydraulic oil is passed in and out with the second hydraulic fluid port 12, sleeve 5 is moved rearwards by with main shaft 8, oild chuck 1, axial direction is imposed to longaxones parts
Pulling force.After pressure stability, 27 pressure release of oil filler point, in the presence of fixed piston 28 and stop tight body 30 and disc spring 26, auto lock set
Cylinder.Now for part clamping after, axial tightening cooked mode, be effectively reduced the amplitude of longaxones parts.
When working condition three：The internal taper hole of main shaft 8 after removing oild chuck 1 (subsidiary top use Morse internal taper hole) is placed dead
Top, 27 hydraulic oil filling of oil filler point, fixed piston 28 is unclamped with tight body 30 of stopping, and releases locking to sleeve, the first hydraulic fluid port 10 with
Second hydraulic fluid port 12 passes in and out hydraulic oil, and sleeve 5 can be elastic, possesses hydraulic tailstock function.
The design both can holding parts, axial tension can be imposed to longaxones parts again at the same with automatic locking mechanism one
Plant secondary main axle structure.After the structure removes chuck, inner cone hole of main shaft places back dead centre, you can possess hydraulic tailstock function.
Above-described embodiment is only the description carried out by the preferred embodiment of the present invention, not the scope of the present invention is entered
Row is limited, on the premise of without departing from design spirit of the present invention, relevant technical staff in the field to the various modifications of the present invention and
Improve, all should expand in protection domain determined by claims of the present invention.
Claims (4)
1. a kind of revolution, scalable, band are stopped tight pair main shaft device, it is characterised in that oild chuck is by being fixed on the right side of which
Flange is connected with main shaft, is equipped with pull bar in main shaft, and oild chuck is fixedly connected with one end of pull bar, the other end of pull bar with return
Turn oil cylinder connection, angling cylinder is connected with belt wheel by fixing oil cylinder flange to the left；
The front-end and back-end of main shaft are mounted on bearing, are also associated with belt wheel in the right part of main shaft, and main shaft can as revolving body
Rotation；The front end of main shaft by gland before sleeve, rear end by sleeve rear pressing cover and sleeve connection, main shaft can relative sleeve carry out
Gyration；
Sleeve is externally provided with casing, is provided with piston between casing and sleeve, and the right-hand member of casing and sleeve is provided with casing rear pressing cover, casing with
A sealing cavity is formed between piston, sleeve and casing rear pressing cover, and casing corresponds to sealing cavity position and is provided with the first hydraulic fluid port and second
Hydraulic fluid port, can promote sleeve movable with main shaft during the first hydraulic fluid port/the second hydraulic fluid port filling hydraulic oil；
In the lower section of sleeve, tight body of stopping is installed, the center for stopping tight body is provided with the through hole perpendicular to sleeve axis, in through hole
Piston body and rear pressing cover is respectively arranged at two ends with, and fixed piston is additionally provided with against piston body on the outside of piston body, outside fixed piston
Side is provided with and front gland, and the front gland and rear pressing cover are all fixed as one with casing by bolt；Front gland and fixed piston
Between be provided with disc spring, rear pressing cover and stop between tight body and be provided with disc spring；Oil filler point, fixed piston and tight body, the dish stopped is provided with front gland
Spring constitutes Sha Jin mechanism.
2. a kind of revolution according to claim 1, scalable, band are stopped tight pair main shaft device, it is characterised in that near hydraulic pressure
Inner seal ring and outer seal ring is provided between the sleeve ends of chuck and main shaft, is provided with sleeve on the outside of inner seal ring and outer seal ring
Front gland, is provided with sleeve rear pressing cover between the other end of sleeve and main shaft.
3. a kind of revolution according to claim 2, scalable, band are stopped tight pair main shaft device, it is characterised in that press after sleeve
Spacer is provided between lid and main shaft, the right side of spacer leans over pulleys carried.
4. a kind of revolution according to claim 1, scalable, band are stopped tight pair main shaft device, it is characterised in that bearing with
Inner spacing collar is axially arranged between main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155592.XA CN106424773A (en) | 2016-12-14 | 2016-12-14 | Rotating and telescopic sub-spindle device with tight break |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155592.XA CN106424773A (en) | 2016-12-14 | 2016-12-14 | Rotating and telescopic sub-spindle device with tight break |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106424773A true CN106424773A (en) | 2017-02-22 |
Family
ID=58217067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611155592.XA Pending CN106424773A (en) | 2016-12-14 | 2016-12-14 | Rotating and telescopic sub-spindle device with tight break |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424773A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199354A (en) * | 2017-07-27 | 2017-09-26 | 苏州蓝王机床工具科技有限公司 | A kind of tail stock |
| CN107717124A (en) * | 2017-10-24 | 2018-02-23 | 嘉善东顺塑料五金制品厂（普通合伙） | A kind of casting chamfering device |
| CN110722178A (en) * | 2019-12-18 | 2020-01-24 | 广东原点智能技术有限公司 | Hydraulic tailstock of turning center |
| CN113738733A (en) * | 2021-08-19 | 2021-12-03 | 宁波海天精工股份有限公司 | Oil drainage-free rotary oil cylinder for vertical addition of fourth shaft |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462177A (en) * | 2008-12-22 | 2009-06-24 | 黄正飞 | Main spindle set |
| CN101934382A (en) * | 2010-08-31 | 2011-01-05 | 宁夏新瑞长城机床有限公司 | Machine tool compound tail frame |
| CN201799621U (en) * | 2010-08-31 | 2011-04-20 | 宁夏新瑞长城机床有限公司 | Composite tailstock of machine tool |
| CN102133650A (en) * | 2011-04-14 | 2011-07-27 | 大连机床集团有限责任公司 | Hydraulic elastic sleeve type tailstock |
| CN203253941U (en) * | 2013-04-11 | 2013-10-30 | 宁波海天精工股份有限公司 | Locking mechanism of machine tool tailstock sleeve |
| CN203887241U (en) * | 2014-06-23 | 2014-10-22 | 河南伟彤科技股份有限公司 | Numerically-controlled machine tool with combined rotary sleeve tailstock |
| JP2014213444A (en) * | 2013-04-30 | 2014-11-17 | 中村留精密工業株式会社 | Automated tailstock of lathe |
| CN204545450U (en) * | 2015-04-24 | 2015-08-12 | 大连智云自动化装备股份有限公司 | Link radial retaining mechanism |
| CN206425561U (en) * | 2016-12-14 | 2017-08-22 | 济南第一机床有限公司 | One kind revolution, scalable, band are stopped tight secondary main shaft device |
-
2016
- 2016-12-14 CN CN201611155592.XA patent/CN106424773A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462177A (en) * | 2008-12-22 | 2009-06-24 | 黄正飞 | Main spindle set |
| CN101934382A (en) * | 2010-08-31 | 2011-01-05 | 宁夏新瑞长城机床有限公司 | Machine tool compound tail frame |
| CN201799621U (en) * | 2010-08-31 | 2011-04-20 | 宁夏新瑞长城机床有限公司 | Composite tailstock of machine tool |
| CN102133650A (en) * | 2011-04-14 | 2011-07-27 | 大连机床集团有限责任公司 | Hydraulic elastic sleeve type tailstock |
| CN203253941U (en) * | 2013-04-11 | 2013-10-30 | 宁波海天精工股份有限公司 | Locking mechanism of machine tool tailstock sleeve |
| JP2014213444A (en) * | 2013-04-30 | 2014-11-17 | 中村留精密工業株式会社 | Automated tailstock of lathe |
| CN203887241U (en) * | 2014-06-23 | 2014-10-22 | 河南伟彤科技股份有限公司 | Numerically-controlled machine tool with combined rotary sleeve tailstock |
| CN204545450U (en) * | 2015-04-24 | 2015-08-12 | 大连智云自动化装备股份有限公司 | Link radial retaining mechanism |
| CN206425561U (en) * | 2016-12-14 | 2017-08-22 | 济南第一机床有限公司 | One kind revolution, scalable, band are stopped tight secondary main shaft device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199354A (en) * | 2017-07-27 | 2017-09-26 | 苏州蓝王机床工具科技有限公司 | A kind of tail stock |
| CN107717124A (en) * | 2017-10-24 | 2018-02-23 | 嘉善东顺塑料五金制品厂（普通合伙） | A kind of casting chamfering device |
| CN110722178A (en) * | 2019-12-18 | 2020-01-24 | 广东原点智能技术有限公司 | Hydraulic tailstock of turning center |
| CN110722178B (en) * | 2019-12-18 | 2020-04-21 | 广东原点智能技术有限公司 | Hydraulic tailstock of turning center |
| CN113738733A (en) * | 2021-08-19 | 2021-12-03 | 宁波海天精工股份有限公司 | Oil drainage-free rotary oil cylinder for vertical addition of fourth shaft |
| CN113738733B (en) * | 2021-08-19 | 2024-05-17 | 宁波海天精工股份有限公司 | A no draining rotary cylinder for immediately, add fourth axle |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170222 |