CN207770860U - A kind of hydraulic tailstock - Google Patents
A kind of hydraulic tailstock Download PDFInfo
- Publication number
- CN207770860U CN207770860U CN201721918634.0U CN201721918634U CN207770860U CN 207770860 U CN207770860 U CN 207770860U CN 201721918634 U CN201721918634 U CN 201721918634U CN 207770860 U CN207770860 U CN 207770860U
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- hydraulic
- pedestal
- sliding axle
- tailstock
- sliding
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Abstract
The utility model provides a kind of hydraulic tailstock, belongs to field of mechanical technique.It solves the problems such as existing tailstock poor work stability.This hydraulic tailstock, including pedestal, the upper end of pedestal is provided with slide opening, the sliding axle that can be horizontally slipped in slide opening is provided in slide opening, the left end of sliding axle is fixed with top, the right end of sliding axle is provided with hydraulic-driven component, it is located in pedestal below slide opening and is provided with installation cavity, left position sensor and right position sensor are fixed in installation cavity, sliding bar is additionally provided in installation cavity, the left end of sliding bar stretches out the left side of pedestal and is fixedly connected with sliding axle, the right end of sliding bar is fixed with the induction pieces that can be sensed by left position sensor and right position sensor.This hydraulic tailstock has many advantages, such as good operating stability.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of hydraulic tailstock.
Background technology
Tailstock is the component for coordinating spindle box bearing workpiece or tool on lathe.Tailstock includes being arranged in bed piece
On pedestal, be fixed with tailstock body on pedestal, the upper end of tailstock body is provided with tailstock sleeve, leading screw is provided in tailstock sleeve,
The left end of leading screw is provided with top, and the right end of leading screw is fixed with handwheel.Rotation handwheel can make top side-to-side movement, top cooperation
Fixture clamping workpiece on spindle box.When needing top tight workpiece, handwheel is shaken, top stretching tailstock body is made, until by workpiece
It holds out against.
Chinese patent literature data, which discloses, proposes a kind of high speed accurate horizontal lathe [application number with hydraulic tailstock：
201110453107.8；Publication number：103182535 A], including it is arranged on the guide rail of lathe rear end and has the tailstock master of through-hole
Body is provided with mobile sleeve in tailstock main body and is arranged in sleeve top, and tailstock body rear is fixed with for pushing
The hydraulic control that sleeve is moved forward and backward in tailstock main body.Hydraulic control includes mutually being fixedly connected with sleeve tail end
Pushing block, the mandril for being connected with pushing block and sleeve being pushed to move horizontally and it is arranged on tailstock body end and the top that is connected with mandril
Locking oil cylinder.Tailstock main body is externally connected with the travel switch of controllable set barrel stroke size.
Travel switch is arranged outside tailstock main body, is easy to be interfered by external environment, for example produce during machine tooling
The liquid of raw chip and splashing be easy to cause travel switch failure, makes tailstock cisco unity malfunction, the stability of tailstock work
Difference.
Invention content
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of hydraulic tailstock solves
The technical issues of be improve tailstock work stability.
The purpose of this utility model can be realized by following technical proposal：
The upper end of a kind of hydraulic tailstock, including pedestal, the pedestal is provided with slide opening, and being provided in the slide opening can be
The sliding axle to horizontally slip in slide opening, the left end of the sliding axle are fixed with top, and the right end of the sliding axle is provided with hydraulic pressure
Drive component, which is characterized in that be located in the pedestal below slide opening and be provided with installation cavity, a left side is fixed in the installation cavity
Position sensor and right position sensor, sliding bar is additionally provided in the installation cavity, and the left end of the sliding bar stretches out pedestal
Left side and be fixedly connected with sliding axle, the right end of the sliding bar, which is fixed with, to be passed by left position sensor and right position
The induction pieces that sensor senses.
It is top to move downward when hydraulic-driven Component driver sliding axle stretches out to the left, at the same sliding axle drive sliding bar to
Left stretching, when sensor sensing is set to the induction pieces for being located at sliding bar right end in left position, hydraulic-driven component stops driving sliding
Axial left stretching.It is top to move right when hydraulic-driven Component driver sliding axle bounces back to the right, while sliding axle drives sliding bar
It bounces back to the right, when right position sensor is sensed positioned at the induction pieces of sliding bar right end, hydraulic-driven component stops driving and slides
Moving axis bounces back to the right.Left position sensor and right position sensor and induction pieces are arranged in the installation cavity of pedestal, prevented
Interference of the external foreign matter to left position sensor and right position sensor and induction pieces is stopped, has made tailstock the operation is stable, relatively
The stability of tailstock work is improved in the prior art.
In above-mentioned hydraulic tailstock, oil seal one, the pedestal and sliding are provided between the pedestal and sliding axle
Oil seal two is provided between bar, the oil seal one and oil seal two are fixedly connected on the left side of pedestal.
Oil seal one and oil seal two can prevent foreign matter from entering in pedestal, and it is suitable to ensure that sliding axle is slided with sliding bar
Freely, to be conducive to improve the stability of tailstock work.
In above-mentioned hydraulic tailstock, the window being connected to installation cavity, the seat are offered on the lateral surface of the pedestal
Dismountable capping is fixed on body, the capping can be by closed windows.
Capping is fixed on closed windows on pedestal by tailstock when working, and preventing external foreign matter from entering in installation cavity influences
The work of left position sensor and right position sensor and induction pieces.When tailstock needs repairing or adjusts, capping, work are opened
People can be repaired or adjusted to the parts in installation cavity by window, keep tailstock easy to use.
In above-mentioned hydraulic tailstock, the hydraulic-driven component includes the hydraulic stem for being fixed on pedestal right end, the cunning
The right end of moving axis is provided with hydraulic cavities, and the left end of the hydraulic stem is inserted into hydraulic cavities, the lateral surface of the hydraulic stem left end
Sealing ring is provided between the cavity wall of hydraulic cavities, the sealing ring is fixed on hydraulic stem.
Hydraulic cavities are divided into left chamber and right chamber by sealing ring.When influent in left chamber flows in right chamber
When going out liquid, the pressure of left chamber increases, and the pressure of right chamber weakens, and sliding axle is moved to the left；When trickle in left chamber
And in right chamber when influent, the pressure of left chamber weakens, and the pressure of right chamber increases, and sliding axle moves right.By hydraulic pressure
Chamber is arranged on sliding axle, makes the compact-sized of hydraulic tailstock.
In above-mentioned hydraulic tailstock, tapered mounting hole is provided on the left side of the sliding axle, it is described top
With the tapered mounting portion coordinated with mounting hole, the mounting portion is inserted into mounting hole and fixed.
The setting of tapered mounting hole and tapered mounting portion can make top axial during workpiece pressing
It is fixed, avoid it is top slid into mounting hole, keep the top pressure effect of tailstock good, be conducive to the use of tailstock.
In above-mentioned hydraulic tailstock, be provided with connecting plate between the sliding axle and sliding bar, the connecting plate it is upper
End is fixedly connected with the left end of sliding axle, and the lower end of the connecting plate is provided with arcuate socket, and fixation is provided in the arcuate socket
Screw, the fixing screws are threadedly coupled with the left end of sliding bar, and the fixing screws can be slided in arcuate socket, by solid
Determine screw connecting plate is fixedly attached on sliding bar.
Arcuate socket has the function of position adjusting, and the installation for facilitating sliding axle and sliding bar connects, and prevents installation process
It is middle larger stress occur, be conducive to the long-time service of tailstock.
Compared with prior art, the utility model has the following advantages：
Installation cavity is set in pedestal, left position sensor and right position sensor and induction pieces are arranged at pedestal
In installation cavity, the stability of tailstock work is improved.Between sliding axle and pedestal and between sliding bar and pedestal respectively
Oil sealing one and oil sealing two are set, and oil sealing one and oil sealing two are fixedly connected on the front end face of pedestal, ensure that sliding axle and cunning
The smooth sliding of lever is conducive to the stability for improving tailstock work.Window and capping are set on pedestal, are conducive to tailstock
It uses.Hydraulic cavities are arranged on sliding axle, keep tailstock structure compact.Arcuate socket is set on connecting plate, makes tailstock installation side
Just.
Description of the drawings
Fig. 1 is the front view of this hydraulic tailstock；
Fig. 2 is the partial left side view of this hydraulic tailstock；
Fig. 3 is the partial sectional view of this hydraulic tailstock.
In figure, 1, pedestal；1a, slide opening；1b, installation cavity；2, servo motor；3, leading screw；4, sliding axle；4a, mounting hole；
4b, hydraulic cavities；5, top；5a, mounting portion；6, left position sensor；7, right position sensor；8, sliding bar；9, induction pieces；
10, oil seal one；11, oil seal two；12, window；13, it covers；14, hydraulic stem；15, connecting plate；15a, arcuate socket；16, solid
Determine screw.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
As shown in Figure 1-Figure 3, a kind of hydraulic tailstock, including pedestal 1, fix wired rail on the lathe bed of lathe, under pedestal 1
End is embedded on line rail, servo motor 2 is further fixed on the lathe bed of lathe, servo motor 2 connect with pedestal 1 and being capable of drive seat
Rail sliding along body 1.3 nut transmission component of leading screw, 3 nut transmission component packet of leading screw are provided between servo motor 2 and pedestal 1
It includes the leading screw 3 being connect with 2 shaft of servo motor and the nut being connect with pedestal 1, nut is set on leading screw 3 and forms screw thread
Connection, when servo motor 2 drives leading screw 3 to rotate, rail slides the pedestal 1 being connect with nut along the line.
It is provided with slide opening 1a on the upper end of pedestal 1, the sliding that can be horizontally slipped in slide opening 1a is provided in slide opening 1a
The left end of axis 4, sliding axle 4 is fixed with top 5, and the right end of sliding axle 4 is provided with hydraulic-driven component.Hydraulic-driven component includes
It is fixed on the hydraulic stem 14 of 1 right end of pedestal, the right end of sliding axle 4 is provided with hydraulic cavities 4b, and the left end of hydraulic stem 14 is inserted into liquid
It presses in chamber 4b, is provided with sealing ring between the lateral surface and the cavity wall of hydraulic cavities 4b of 14 left end of hydraulic stem, sealing ring is fixed on liquid
On compression bar 14.Hydraulic cavities 4b is divided into left chamber and right chamber by sealing ring.When influent in left chamber and right chamber
When middle trickle, the pressure of left chamber increases, and the pressure of right chamber weakens, and sliding axle 4 is moved to the left；When being flowed out in left chamber
Liquid and in right chamber when influent, the pressure of left chamber weakens, and the pressure of right chamber increases, and sliding axle 4 moves right.Or
Person's hydraulic-driven component includes the hydraulic cylinder for being fixed on 1 right end of pedestal, and the piston rod of hydraulic cylinder is connect with the right end of sliding axle 4.
Tapered mounting hole 4a is provided on the left side of sliding axle 4, top 5 have the tapered installation with mounting hole 4a cooperations
Portion 5a, mounting portion 5a are inserted into mounting hole 4a and fixed.
It is located in pedestal 1 below slide opening 1a and is provided with installation cavity 1b, 6 He of left position sensor is fixed in installation cavity 1b
Right position sensor 7.Be additionally provided with sliding bar 8 in installation cavity 1b, the left end of sliding bar 8 stretch out the left end of pedestal 1 and with sliding
Axis 4 is fixedly connected, and the right end of sliding bar 8 is fixed with the induction that can be sensed by left position sensor 6 and right position sensor 7
Part 9.The window 12 being connected to installation cavity 1b is offered on the lateral surface of pedestal 1, and dismountable capping 13 is fixed on pedestal 1,
Capping 13 can close window 12.It is fixed on pedestal 1 by screw by covering 13.It is arranged between sliding axle 4 and sliding bar 8
There are connecting plate 15, the upper end of connecting plate 15 to be fixedly connected with the left end of sliding axle 4, the lower end of connecting plate 15 is provided with arcuate socket
Fixing screws 16 are provided in 15a, arcuate socket 15a, fixing screws 16 are threadedly coupled with the left end of sliding bar 8, fixing screws 16
It can slide in arcuate socket 15a, connecting plate 15 is fixedly attached on sliding bar 8 by fixing screws 16.Pedestal 1 and sliding
It is provided with oil seal 1 between axis 4, oil seal 2 11, oil seal 1 and oil seal are provided between pedestal 1 and sliding bar 8
2 11 are fixedly connected on the left side of pedestal 1.
When hydraulic-driven Component driver sliding axle 4 stretches out to the left, top 5 move downward, while sliding axle 4 drives sliding bar
8 stretch out to the left, and when left position sensor 6 senses induction pieces 9, hydraulic-driven component stops driving, and sliding axle 4 stops not
It is dynamic.When hydraulic-driven Component driver sliding axle 4 bounces back to the right, top 5 move right, while sliding axle 4 drives sliding bar 8 to the right
Retraction, when right position sensor 7 senses induction pieces 9, hydraulic-driven component stops driving, and sliding axle 4 is slack.It will be left
Position sensor 6 and right position sensor 7 and induction pieces 9 are arranged in the installation cavity 1b of pedestal 1, it is therefore prevented that external foreign matter
Interference to left position sensor 6 and right position sensor 7 and induction pieces 9 makes tailstock the operation is stable, compared with the existing technology
Improve the stability of tailstock work.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. the upper end of a kind of hydraulic tailstock, including pedestal (1), the pedestal (1) is provided with slide opening (1a), the slide opening (1a) is interior
It is provided with the sliding axle (4) that can be horizontally slipped in slide opening (1a), the left end of the sliding axle (4) is fixed with top (5), institute
The right end for stating sliding axle (4) is provided with hydraulic-driven component, which is characterized in that is located under slide opening (1a) in the pedestal (1)
Side is provided with installation cavity (1b), and left position sensor (6) and right position sensor (7), institute are fixed in the installation cavity (1b)
State and be additionally provided with sliding bar (8) in installation cavity (1b), the left end of the sliding bar (8) stretch out the left side of pedestal (1) and with cunning
Moving axis (4) is fixedly connected, and the right end of the sliding bar (8) is fixed with can be by left position sensor (6) and right position sensor
(7) induction pieces (9) sensed.
2. hydraulic tailstock according to claim 1, which is characterized in that be provided between the pedestal (1) and sliding axle (4)
Oil seal one (10), is provided with oil seal two (11) between the pedestal (1) and sliding bar (8), the oil seal one (10) and
Oil seal two (11) is fixedly connected on the left side of pedestal (1).
3. hydraulic tailstock according to claim 1, which is characterized in that offer and pacify on the lateral surface of the pedestal (1)
It behave affectedly the window (12) of (1b) connection, dismountable capping (13) is fixed on the pedestal (1), the capping (13) being capable of general
Window (12) is closed.
4. according to any hydraulic tailstocks of claim 1-3, which is characterized in that the hydraulic-driven component includes being fixed on
The right end of the hydraulic stem (14) of pedestal (1) right end, the sliding axle (4) is provided with hydraulic cavities (4b), the hydraulic stem (14)
Left end is inserted into hydraulic cavities (4b), is provided between the lateral surface and the cavity wall of hydraulic cavities (4b) of hydraulic stem (14) left end
Sealing ring, the sealing ring are fixed on hydraulic stem (14).
5. according to any hydraulic tailstocks of claim 1-3, which is characterized in that set on the left side of the sliding axle (4)
It is equipped with tapered mounting hole (4a), described top (5) have the tapered mounting portion (5a) coordinated with mounting hole (4a), institute
Mounting portion (5a) is stated to be inserted into mounting hole (4a) and fix.
6. according to any hydraulic tailstocks of claim 1-3, which is characterized in that the sliding axle (4) and sliding bar (8) it
Between be provided with connecting plate (15), the upper end of the connecting plate (15) is fixedly connected with the left end of sliding axle (4), the connecting plate
(15) lower end is provided with arcuate socket (15a), and fixing screws (16), the fixing screws are provided in the arcuate socket (15a)
(16) it is threadedly coupled with the left end of sliding bar (8), the fixing screws (16) can be slided in arcuate socket (15a), by solid
Determine screw (16) connecting plate (15) is fixedly attached on sliding bar (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918634.0U CN207770860U (en) | 2017-12-29 | 2017-12-29 | A kind of hydraulic tailstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918634.0U CN207770860U (en) | 2017-12-29 | 2017-12-29 | A kind of hydraulic tailstock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207770860U true CN207770860U (en) | 2018-08-28 |
Family
ID=63222190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721918634.0U Active CN207770860U (en) | 2017-12-29 | 2017-12-29 | A kind of hydraulic tailstock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207770860U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175414A (en) * | 2018-10-12 | 2019-01-11 | 广州市高品机床有限公司 | A kind of tailstock structure |
| CN110153449A (en) * | 2019-06-27 | 2019-08-23 | 安徽江淮汽车集团股份有限公司 | A kind of control device of lathe center stroke |
| CN111842945A (en) * | 2020-08-25 | 2020-10-30 | 西安巨浪精密机械有限公司 | Hydraulic tailstock structure of machine tool |
-
2017
- 2017-12-29 CN CN201721918634.0U patent/CN207770860U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175414A (en) * | 2018-10-12 | 2019-01-11 | 广州市高品机床有限公司 | A kind of tailstock structure |
| CN110153449A (en) * | 2019-06-27 | 2019-08-23 | 安徽江淮汽车集团股份有限公司 | A kind of control device of lathe center stroke |
| CN111842945A (en) * | 2020-08-25 | 2020-10-30 | 西安巨浪精密机械有限公司 | Hydraulic tailstock structure of machine tool |
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