CN206009859U - There is the numerically-controlled slide of friction clamping and arbitrary indexing function - Google Patents
There is the numerically-controlled slide of friction clamping and arbitrary indexing function Download PDFInfo
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- CN206009859U CN206009859U CN201620828332.3U CN201620828332U CN206009859U CN 206009859 U CN206009859 U CN 206009859U CN 201620828332 U CN201620828332 U CN 201620828332U CN 206009859 U CN206009859 U CN 206009859U
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- friction
- cutterhead
- numerically
- controlled slide
- main shaft
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Abstract
The utility model belongs to digit ctrol machine tool field, specifically provides a kind of numerically-controlled slide with friction clamping and arbitrary indexing function.The utility model aims to solve the problem that the end-toothed disc processed complex and cutterhead of existing numerically-controlled slide is unable to the problem of arbitrary indexing, numerically-controlled slide of the present utility model includes servomotor, cutterhead, encoder and is provided with the friction-type locking device of friction plate, servomotor is directly connected to cutterhead, encoder is fixedly mounted on servomotor, servomotor directly drives cutterhead, and the corner by encoder detection cutterhead, cutterhead is locked by friction-type locking device.Of the present utility model with friction clamping with the numerical control cutterhead of arbitrary indexing function compared with traditional numerical control cutterhead, not only reduce the quantity of parts, simplified structure, but also lock can cutterhead arbitrary indexing.
Description
Technical field
The utility model belongs to digit ctrol machine tool field, specifically provides a kind of number with friction clamping and arbitrary indexing function
Control knife rest.
Background technology
Numerically-controlled slide is a kind of most common servicing unit of numerically controlled lathe, and it can make numerically controlled lathe in workpiece clamped one time
Multiple even all of manufacturing procedures are completed, to shorten the non-cutting time of processing, is reduced in process because repeatedly installing workpiece
And the error for causing, so as to improve the working (machining) efficiency and machining accuracy of lathe.Therefore, the performance and structure of knife rest often direct shadow
Ring the cutting ability and stock-removing efficiency to lathe.Existing numerically-controlled slide is mainly by motor, fluted disc transmission mechanism, retaining mechanism, inspection
The composition such as device, cutterhead is surveyed, motor turns to corresponding position by fluted disc transmission system band movable knife disc, then passes through hydraulic pressure list
Unit drives retaining mechanism locking end-toothed disc, and by the snap-in location cutterhead of end-toothed disc.
In prior art, the positioning precision of cutterhead is determined by the precision of end-toothed disc, so needing the profile of tooth essence for improving end-toothed disc
Degree and the accuracy of mesh so that the processed complex of end-toothed disc, expensive, and due to the space width of end-toothed disc prevent cutterhead from
Arbitrary indexing.
Correspondingly, this area needs a kind of new numerically-controlled slide to solve the above problems.
Utility model content
In order to solve the problems referred to above of the prior art, be the existing numerically-controlled slide of solution end-toothed disc processed complex and
Cutterhead is unable to the problem of arbitrary indexing, and the utility model provides a kind of numerical control knife with friction clamping and arbitrary indexing function
Frame, the numerically-controlled slide include：Motor, encoder, friction-type locking device and cutterhead, the motor are connected with the cutterhead, institute
State cutterhead to engage with the friction-type locking device, the encoder and the motor connection；The motor is used for institute
State cutterhead and rotary power is provided, the encoder is used for the anglec of rotation for detecting the motor and/or the cutterhead, the friction
Formula locking device is used for locking the cutterhead, and the friction-type locking device and the encoder enable the cutterhead to revolve
Go to arbitrarily angled.
In the optimal technical scheme of above-mentioned numerically-controlled slide, the locking device includes friction plate, and the numerically-controlled slide is also
Including main shaft, one end of the main shaft and the motor connection, the other end of the main shaft is fixedly connected with the cutterhead；Described
Friction-type locking device includes friction plate, and the friction plate is used for locking the main shaft.
In the optimal technical scheme of above-mentioned numerically-controlled slide, the friction-type locking device also includes drive mechanism, described
Drive mechanism is used for driving the friction plate and therefore locks the main shaft, and then locks the cutterhead.
In the optimal technical scheme of above-mentioned numerically-controlled slide, the numerically-controlled slide also includes main shaft, the drive mechanism bag
Include：Annular piston, the first sealing ring and the second sealing ring, outer circle wall of first sealing ring installed in the annular piston
On, second sealing ring is on the inner peripheral wall of the annular piston.
In the optimal technical scheme of above-mentioned numerically-controlled slide, the friction-type locking device also includes brake disc, the system
Moving plate is installed in the annular piston side adjacent with the friction plate.
In the optimal technical scheme of above-mentioned numerically-controlled slide, the motor is servomotor, and the servomotor passes through institute
State main shaft to be connected with the encoder.
In the optimal technical scheme of above-mentioned numerically-controlled slide, the numerically-controlled slide also includes cutter head support frame, the cutterhead
Bracing frame is fixedly connected with the motor, and the friction plate, the brake disc and the drive mechanism are arranged on the cutterhead
On support.
In the optimal technical scheme of above-mentioned numerically-controlled slide, clutch shaft bearing and second bearing, institute on the main shaft, is provided with
Clutch shaft bearing is stated in the cutter head support frame, the second bearing in the motor, the clutch shaft bearing and
The second bearing is used for pivotally supporting the main shaft.
In the optimal technical scheme of above-mentioned numerically-controlled slide, the encoder includes code-disc, the code-disc and the main shaft
It is fixedly connected, for detecting the anglec of rotation of the main shaft and the cutterhead.
In the optimal technical scheme of above-mentioned numerically-controlled slide, an annular flange flange, the friction on the main shaft, is provided with
Piece locks the main shaft by clamping the annular flange flange.
It will be appreciated to those of skill in the art that as numerically-controlled slide of the present utility model is using encoder and friction-type
The positioning mode of locking device instead of Endtooth-disc fix of the prior art so that cutterhead can be accurately controlled any
Rotational angle, and do not limited by end-toothed disc tooth pitch such that it is able to realize the arbitrary indexing of cutterhead.Additionally, in the utility model
Optimal technical scheme in, servomotor is directly connected to cutterhead by main shaft, make servomotor direct drive cutterhead rotation, and
And encoder is fixed on servomotor, for detecting the angle of cutterhead rotation.Numerically-controlled slide of the present utility model not only structure
Simply, moreover it is possible to realize any regulation of cutterhead indexing.
Description of the drawings
Fig. 1 is the entirety sectional view of numerically-controlled slide of the present utility model；
Fig. 2 is the partial enlarged drawing of part A in Fig. 1.
Specific embodiment
With reference to the accompanying drawings describing preferred embodiment of the present utility model.Skilled artisan would appreciate that
It is that these embodiments are used only for explaining know-why of the present utility model, it is not intended that limit protection of the present utility model
Scope.For example, although each part in accompanying drawing is that relation is drawn according to a certain percentage, but this proportionate relationship not one one-tenth not
Become, those skilled in the art can make adjustment to which as needed, to adapt to specific application scenario.
It should be noted that in description of the present utility model, term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the direction of instruction such as " level ", " interior ", " outward " or the term of position relationship are closed based on direction shown in the drawings or position
System, this are intended merely to facilitate description, rather than indicate or imply that described device or element must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or hint relative importance.
In addition it is also necessary to illustrate, in description of the present utility model, unless otherwise clearly defined and limited, art
Language " installation ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or
It is integrally connected；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to by between intermediary
Connect connected, can be the connection of two element internals.To those skilled in the art, can understand as the case may be above-mentioned
Concrete meaning of the term in the utility model.
As shown in figure 1, the numerically-controlled slide with friction clamping and arbitrary indexing function of the present utility model mainly includes：Compile
Servomotor 2, cutterhead 3 and the cutterhead being arranged between servomotor 2 and cutterhead 3 that code device 1, encoder 1 are fixed thereon
Support 4 and main shaft 5.Cutter head support frame 4, servomotor 2 pass sequentially through bolt from left to right with encoder 1 and are fixedly connected.Ability
Field technique personnel are, it is understood that between above-mentioned each part in addition to using bolt fixed mode, can also be connected using other
Form is connect, for example threaded connection, welding etc..
With continued reference to Fig. 1, the middle setting of cutter head support frame 4 has a through hole, main shaft 5 pass through the through hole, and
One end of main shaft 5 is fixedly connected with cutterhead 3, and the other end of main shaft 5 is fixedly connected with the rotor of servomotor 2, or and servo
The rotor of motor 2 is made into integration.Preferably, servomotor 2 adopts hollow shaft servo motor.Preferably, main shaft 5 and cutterhead 3 and
It is fixedly connected with splined shaft by splined hole between the rotor of servomotor 2, i.e. in the left axial end that main shaft 5 is coordinated with cutterhead 3
Spline is set, corresponding splined hole is set in the center of cutterhead 3；Shaft part in main shaft 5 with 2 junction of servomotor sets
Spline is put, corresponding internal spline is set on the servo-electric motor hollow shafting rotor of servomotor 2.It will be appreciated by those skilled in the art that
It is can also have other in addition to the type of attachment using splined hole and splined shaft between main shaft 5 and cutterhead 3 and servomotor 2
Type of attachment, such as by the type of attachment such as flat key axle and flat key hole, non-circular shaft and non-circular hole, flange and bolt, screw thread.
In Fig. 1, the two ends of main shaft 5 are additionally provided with clutch shaft bearing 6 and second bearing 7, and main shaft 5 is through clutch shaft bearing 6 and second bearing
7, clutch shaft bearing 6 on the cutter head support frame 4, second bearing 7 on the casing of servomotor 2, clutch shaft bearing 6 and the
Two bearings 7 are used for radially fixed, supports main shaft 5.In the junction and main shaft 5 of main shaft 5 and clutch shaft bearing 6 and second bearing 7
Junction is additionally provided with the axial location that ring-shaped step is used for limiting clutch shaft bearing 6 and second bearing 7.Also, the code of encoder 1
Disk is fixedly connected with the right-hand member of main shaft 5, in order to detect and control the anglec of rotation of main shaft 5, and then detects and control the rotation of cutterhead 3
Gyration.
As shown in Fig. 2 be provided with friction locking unit on cutter head support frame 4, friction locking unit include two annular
Friction plate 8, for drive friction plate 8 movement drive mechanism and loop system Moving plate 14.Cutter head support frame 4 and servomotor 2 it
Between formed toroidal cavity, the toroidal cavity be used for accommodate the friction plate 8 and drive mechanism.Shown magnification region can in fig. 2
To see, an annular flange flange for stretching out is additionally provided with main shaft 5, and the annular flange flange is located at two annular friction pieces
Between 8 so that when drive mechanism drive left side friction plate 8 move right when can compress the annular flange flange, the annular flange flange because
This compression right side friction plate 8, so that lock main shaft 5.Rotating seal 12 and rotation are additionally provided with the annular flange flange both sides of main shaft 5
Turn seal 13, rotating seal 12 is located between main shaft 5 and cutter head support frame 4, and rotating seal 13 is located at main shaft 5 and servo
Between motor 2.
With continued reference to Fig. 2, the first sealing ring that drive mechanism includes annular piston 9 and is arranged on the outside of annular piston 9
10 with the second sealing ring 11 being arranged on the inside of annular piston 9.First sealing ring 10 and the second sealing ring 11 cause annular piston 9
An annular hydraulic chamber 91 is formed on the left of cutter head support frame 4 seamlessly, and annular hydraulic chamber 91 is by cutter head support frame 4, annular
Piston 9, the first sealing ring 10 and the second sealing ring 11 are sealed to form.Also, annular hydraulic chamber 91 is provided with one to be used for passing in and out
The hole of hydraulic oil, the left side of annular piston 9 are additionally provided with the annular groove of a U-shaped, and the U-loop groove is used for preventing annular piston 9
When left side is contacted with the left surface of toroidal cavity 91, hydraulic oil can not enter the left side of annular piston 9 and cutter head support frame 4
Between thrust that annular piston 9 is pressed to the right.
With continued reference to Fig. 2, butterfly spring 15 and back-up ring 16, back-up ring between loop system Moving plate 14 and annular piston 9, is provided with
16 are fixed on cutter head support frame 4 by the bolt 17 around central shaft circumferentially.Butterfly spring 15 is located at 9 He of annular piston
Between back-up ring 16, annular piston 9 is forced to be resisted against on the right flank of cutter head support frame 4 by spring force.Loop system Moving plate 14 leads to
Guo Raoqi centers pin circumferentially is connected with cutter head support frame 4, and loop system Moving plate 14 can be moved in the axial direction.
As depicted in figs. 1 and 2, the numerically-controlled slide with friction clamping and arbitrary indexing function of the present utility model will be will
During tool changing, external hydraulic power supply pressure release, the spring force of butterfly spring 15 make annular piston 9 be resisted against the right side of cutter head support frame 4
On side, main shaft 5 is disengaged with friction plate 8.The control system of Digit Control Machine Tool sends tool changing instruction, further control servo electricity
2 drive shaft 5 of machine and cutterhead 3 rotate, and angle main shaft 5 and cutterhead 3 turned over by encoder 1 and speed Real-time Feedback to
Control system.When cutterhead 3 turns to precalculated position, servomotor 2 stops the rotation.Now, control system moves external hydraulic pressure
Power source (not shown) is connected with the annular hydraulic chamber 91 being located on the left of annular piston 9, and injects hydraulic oil thereto, hydraulic oil
Pressure overcomes the elastic force of butterfly spring 15, promotes annular piston 9 to move right, and contact brake disc 14 simultaneously promotes brake disc 14 to the right
Mobile pressing friction piece 8, so as to lock main shaft 5 and cutterhead 3, makes main shaft 5 and cutterhead 3 stop operating.Complete cutter changing operation
Afterwards, it is processed using the cutter on cutterhead 3.When tool changing again is needed, external hydraulic power supply pressure release, control system control
Servomotor processed 2 rotates, and repeats above-mentioned action.
It will be appreciated to those of skill in the art that during numerically-controlled slide tool changing of the present utility model, machine tool control system can
According to angle control 2 forward and reverse of servomotor between current cutter spacing and target cutter spacing.Most significantly, as this practicality is new
The numerically-controlled slide of type instead of end-toothed disc of the prior art using encoder with combining for friction plate, and therefore, cutterhead 3 can be by
Any rotational angle is accurately controlled, so as to realize the arbitrary indexing of cutterhead 3.
Those skilled in the art it is also understood that, servomotor 2 can not directly be connected by any structure with cutterhead 3
Connect, such as the rotor of output shaft axle fixation for arranging a hole on cutterhead 3 with servomotor 2 (servomotor with projecting shaft) is matched somebody with somebody
Close, the rotor of the code-disc of encoder 1 and servomotor 2 is fixed.The cutterhead retaining mechanism of this kind of embodiment needs to be separately provided.
So far, the technical solution of the utility model is described already in connection with preferred embodiment shown in the drawings, but, this
Art personnel are it is easily understood that protection domain of the present utility model is expressly not limited to these specific embodiments.?
On the premise of without departing from principle of the present utility model, those skilled in the art can make the change of equivalent to correlation technique feature
Or replace, the technical scheme after these are changed or replace it is fallen within protection domain of the present utility model.
Claims (10)
1. a kind of with friction clamping and arbitrary indexing function numerically-controlled slide, it is characterised in that the numerically-controlled slide includes：Electricity
Machine, encoder, friction-type locking device and cutterhead, the motor are connected with the cutterhead, and the cutterhead can be with the friction
The engagement of formula locking device, the encoder and the motor connection；
The motor is used for providing rotary power to the cutterhead, and the encoder is used for detecting the motor and/or the knife
The anglec of rotation of disk, the friction-type locking device are used for locking the cutterhead, and the friction-type locking device and described
It is arbitrarily angled that encoder enables the cutterhead to rotate to.
2. according to claim 1 with friction clamping and arbitrary indexing function numerically-controlled slide, it is characterised in that described
Numerically-controlled slide also includes main shaft, one end of the main shaft and the motor connection, and the other end of the main shaft is solid with the cutterhead
Fixed connection；The friction-type locking device includes friction plate, and the friction plate is used for locking the main shaft.
3. according to claim 2 with friction clamping and arbitrary indexing function numerically-controlled slide, it is characterised in that described
Friction-type locking device also includes drive mechanism, and the drive mechanism is used for driving the friction plate and therefore locking the master
Axle, and then lock the cutterhead.
4. according to claim 3 with friction clamping and arbitrary indexing function numerically-controlled slide, it is characterised in that described
Drive mechanism includes：Annular piston, the first sealing ring and the second sealing ring, first sealing ring are arranged on the annular piston
Outer circle wall on, second sealing ring installed in the annular piston inner peripheral wall on.
5. according to claim 4 with friction clamping and arbitrary indexing function numerically-controlled slide, it is characterised in that described
Friction-type locking device also includes that brake disc, the brake disc are arranged on adjacent with the friction plate of the annular piston
Side.
6. according to claim 5 with friction clamping and arbitrary indexing function numerically-controlled slide, it is characterised in that described
Motor is servomotor, and the servomotor is connected with the encoder by the main shaft.
7. according to claim 6 with friction clamping and arbitrary indexing function numerically-controlled slide, it is characterised in that described
Numerically-controlled slide also includes that cutter head support frame, the cutter head support frame are fixedly connected with the motor, the friction plate, the braking
Disk and the drive mechanism are arranged on the cutter head support frame.
8. according to claim 7 with friction clamping and arbitrary indexing function numerically-controlled slide, it is characterised in that described
Clutch shaft bearing and second bearing is provided with main shaft, and the clutch shaft bearing is arranged in the cutter head support frame, second axle
Hold in the motor, the clutch shaft bearing and the second bearing are used for pivotally supporting the main shaft.
9. according to claim 8 with friction clamping and arbitrary indexing function numerically-controlled slide, it is characterised in that described
Encoder includes code-disc, and the code-disc is fixedly connected with the main shaft, for detecting the anglec of rotation of the main shaft and the cutterhead
Degree.
10. according to claim 9 with friction clamping and arbitrary indexing function numerically-controlled slide, it is characterised in that institute
State, the friction plate locks the main shaft by clamping the annular flange flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620828332.3U CN206009859U (en) | 2016-08-02 | 2016-08-02 | There is the numerically-controlled slide of friction clamping and arbitrary indexing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620828332.3U CN206009859U (en) | 2016-08-02 | 2016-08-02 | There is the numerically-controlled slide of friction clamping and arbitrary indexing function |
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| Publication Number | Publication Date |
|---|---|
| CN206009859U true CN206009859U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620828332.3U Active CN206009859U (en) | 2016-08-02 | 2016-08-02 | There is the numerically-controlled slide of friction clamping and arbitrary indexing function |
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| CN (1) | CN206009859U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141216A (en) * | 2016-08-02 | 2016-11-23 | 北京超同步伺服股份有限公司 | There is friction clamping and the numerically-controlled slide of arbitrary indexing function |
| CN107953217A (en) * | 2017-12-12 | 2018-04-24 | 上海机床厂有限公司 | The high-precision rotator of locking device |
-
2016
- 2016-08-02 CN CN201620828332.3U patent/CN206009859U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141216A (en) * | 2016-08-02 | 2016-11-23 | 北京超同步伺服股份有限公司 | There is friction clamping and the numerically-controlled slide of arbitrary indexing function |
| CN107953217A (en) * | 2017-12-12 | 2018-04-24 | 上海机床厂有限公司 | The high-precision rotator of locking device |
| CN107953217B (en) * | 2017-12-12 | 2023-11-17 | 上海机床厂有限公司 | High-precision rotating device with locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 101500 No. 9 Yunxi Sixth Street, Miyun District Economic Development Zone, Beijing Patentee after: Super Synchronization Co., Ltd. Address before: 101500, 200 meters West Village, ten Li village, Beijing, Miyun Patentee before: BEIJING CHAOTONGBU SERVO CO., LTD. |