CN205968235U - From rotatory totally closed centre frame of centering - Google Patents
From rotatory totally closed centre frame of centering Download PDFInfo
- Publication number
- CN205968235U CN205968235U CN201620910247.1U CN201620910247U CN205968235U CN 205968235 U CN205968235 U CN 205968235U CN 201620910247 U CN201620910247 U CN 201620910247U CN 205968235 U CN205968235 U CN 205968235U
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- CN
- China
- Prior art keywords
- support body
- oil cylinder
- oil
- centre frame
- rotary body
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model belongs to the technical field of machine tool machining auxiliary assembly, provide a from rotatory totally closed centre frame of centering very much, including base, support body with be the annular rotator of circle, the base is fixed on the lathe, and the support body is connected with the base, and the support body rotationally is connected with the rotator, fixes 3 chucking hydro -cylinders on the annular circumference of rotator, and the concertina movement through chucking oil cylinder piston rod will wait to process the work piece chucking, processed the work piece by the lathe. The utility model discloses a chucking hydro -cylinder is realized from centering function, has avoided the process that took machining center frame location on the work piece, has reduced working time. The relative support body with the work piece of rotator rotates together, avoids the work piece to the friction of jack catch, extension equipment life. Can rotate certain angle relatively between support body and the base in addition, make things convenient for the work piece to put into.
Description
Technical field
This utility model belongs to machine tooling technical field of auxiliary equipment, specifically provides a kind of self-centering rotation totally-enclosed
Centre frame.
Background technology
Centre frame is the auxiliary device of radial support rotational workpieces in processing.During processing, no move to axial with workpiece.
Adopt three-jaw centering structure more centre frame, using Manual structure by three chuck jaw clamping rotational workpieces more than existing centre frame, revolve
Part of changing a job rotates, and centre frame does not rotate.There are the following problems：1st, manually adjust strong point centering, efficiency is low；2nd, workpiece and chuck
It is sliding friction between pawl top braces block, easy to wear, short life；3rd, workpiece blank is cylindrical can not be directly using it is necessary to process
Positioning port, for centre frame positioning, efficiency is low；4th, installation is poor, and the upper and lower two parts of centre frame lean on simple bolt link, in processing
If workpiece centering effect is bad, centre frame unbalance stress easily causes equipment, personal injury.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of self-centering and rotates totally-enclosed centre frame, passes through
Claw is set to hydraulic cylinder, realizes making cardiac function by oneself, it is to avoid the operation of processing central bracket positioning belt on workpiece, reduce
Labor time；Rotary body is rotated together with support body with workpiece, it is to avoid the friction to claw for the workpiece, extension device service life.
This utility model is achieved in that a kind of self-centering of offer rotates totally-enclosed centre frame, is fixed on and uses on lathe
To support workpiece to be processed, including base, support body and the rotary body in annular, base is fixed on lathe, support body and base
Connect, support body includes annular auxiliary section, and annular auxiliary section and rotary body are rotatably coupled, in the annular circumferential of rotary body
Fix 3 clamping oil cylinders, by the stretching motion of clamping cylinder piston rod by workpiece to be processed clamping, by lathe, workpiece is carried out
Processing.
Further, it is provided with fluid-control one-way lock in the middle of each two clamping oil cylinder on rotary body, each fluid-control one-way is locked
One described clamping oil cylinder of coupling, is additionally provided with two quickly unidirectional valve union the moon heads, the quick list on rotary body on rotary body
Connected by oil pipe between valve union the moon head, fluid-control one-way lock, clamping oil cylinder, form a hydraulic circuit, be provided with feed flow system
Unite as hydraulic circuit feed flow, the oil pipe termination that liquid-supplying system is connected with hydraulic circuit is provided with quickly unidirectional valve union male, and oil
Quickly unidirectional valve union male on pipe can be switched on or switched off with the quickly unidirectional valve union the moon head on rotary body, liquid during connection
Push back road and liquid-supplying system to connect, during disconnection each quickly unidirectional valve union each close.
Further, liquid-supplying system includes reversal valve A, oil pump, fuel tank and overflow valve, stretch out two of reversal valve A mono-
Described quickly unidirectional valve union male is arranged on oil pipe termination, other end connects oil pump, oil pump connects fuel tank, oil pump and reversal valve
Overflow valve is connected between A.
Further, support body and base are rotatably coupled, and on base, the formula of lying fixes an oscillating oil cylinder, oscillating oil cylinder
Piston rod be fixedly connected with support body, the motion of piston rod drives support body to do the swing of certain angle centered on vertical axis.
For the above-mentioned centre frame that increased oscillating oil cylinder, further, in each two clamping oil cylinder on rotary body
Between be provided with fluid-control one-way lock, each fluid-control one-way lock one described clamping oil cylinder of coupling, rotary body is additionally provided with two quick
Unidirectional valve union the moon head, between the cloudy head of the quickly unidirectional valve union on rotary body, fluid-control one-way lock, clamping oil cylinder by oil pipe even
Connect, form a hydraulic circuit, being provided with liquid-supplying system is hydraulic circuit feed flow, the oil pipe end that liquid-supplying system is connected with hydraulic circuit
Head is provided with quickly unidirectional valve union male, and the quickly unidirectional valve union male on oil pipe is connect with the quick check valve on rotary body
The cloudy head of head can be switched on or switched off, and during connection, hydraulic circuit and liquid-supplying system are connected, during disconnection each quickly unidirectional valve union each
Self-enclosed.
Further, liquid-supplying system includes reversal valve A, oil pump, fuel tank and overflow valve, stretch out two of reversal valve A mono-
Described quickly unidirectional valve union male is arranged on oil pipe termination, other end connects oil pump, oil pump connects fuel tank, oil pump and reversal valve
Overflow valve is connected between A；
Branch line is connected with the pipeline between reversal valve A and oil pump, branch line is described oscillating oil cylinder feed flow, point
Reversal valve B is arranged on bye-pass, reversal valve B is connected by oil pipe with the hydraulic fluid port of oscillating oil cylinder, in reversal valve B and oscillating oil cylinder oil
Oil pipe between mouthful is provided with a fluid-control one-way lock.
Further, below support body, two ends are provided with fixture block, be provided with and mate with fixture block on the relevant position of described base
Draw-in groove, draw-in groove is formula U-shaped of lying, and the opening direction of two draw-in grooves is contrary.
Further, oscillating oil cylinder drives the angle that described support body swings to be 0-40 °.
Further, support body is connected by plane bearing with described base.
Further, the annular auxiliary section of support body is connected by rolling bearing with rotary body.
Compared with prior art, the utility model has the advantage of：
1st, hydraulic system is easy to operate, and reduces the labor intensity of workman；
2nd, rotary body rotates together with processing workpiece, using three-jaw self-centering principle, without processing excircle of workpiece positioning belt,
Reduce operation, cost-effective；
3rd, revolving support, good rigidity are adopted；
4th, hydraulic coupling clamping, reliable and stable, system pressure can be set up by relief valve, limit clamping force.
Brief description
Fig. 1 rotates totally-enclosed centre frame main structure diagram for the self-centering that this utility model provides；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the left view structural representation of Fig. 1；
Fig. 4 is the overlooking the structure diagram of Fig. 1；
Fig. 5 drives the maximum angle view of support body rotation for oscillating oil cylinder piston rod；
Fig. 6 is the liquid-supplying system schematic diagram of this utility model cylinder system.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with the accompanying drawings and implement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is used only for explaining
This utility model, is not used to limit this utility model.
In order to solve existing centre frame support processing workpiece rotary course present in centre frame in-convenience in use, use
The problems such as short life, this utility model provides a kind of self-centering and rotates totally-enclosed centre frame, with reference to Fig. 1 and Fig. 2, this centre frame
Including base 1, support body 3 and the rotary body 4 in annular, base 1 is fixed on lathe, and support body 3 is connected with base 1, and support body 3 wraps
Include annular auxiliary section, annular auxiliary section is rotatably coupled with rotary body 4, the annular circumferential of rotary body 4 is fixed 3 cards
Locking oil cylinder 7, by the stretching motion of the piston rod of clamping oil cylinder 7 by workpiece to be processed clamping, is processed to workpiece by lathe.
When being supported to machine tool processing workpiece using this utility model, using 3 clamping oil cylinders 7 on rotary body 4
Piston rod workpiece is fixed, make workpiece center be lathe the alignment of shafts, disconnect clamping oil cylinder 7 liquid-supplying system after,
Lathe can be started, workpiece is processed, in the course of processing, workpiece and rotary body 4 together rotate, overcome conventional workpiece with
It is sliding friction between centre frame chuck jaw top braces block, make that centre frame is easy to wear, short life problem.
In order to realize the clamping intensity to workpiece for the clamping oil cylinder 7, keep coupling mechanism force, prevent between cylinder piston rod and workpiece
There is relative motion, with reference to Fig. 3, as the improvement of technical scheme, in the middle of each two clamping oil cylinder 7 on rotary body 4, be provided with liquid
Control one-way lock 6, each fluid-control one-way lock 6 one clamping oil cylinder 7 of coupling, two quick check valves are additionally provided with rotary body 4 and connect
Cloudy 15, head, between the quickly unidirectional valve union on rotary body 4 cloudy 15, fluid-control one-way lock 6, clamping oil cylinder 7 by oil pipe even
Connect, form a hydraulic circuit, being provided with liquid-supplying system is hydraulic circuit feed flow, the oil pipe end that liquid-supplying system is connected with hydraulic circuit
Head also is provided with the quick list in quickly unidirectional valve union male 16, and the quickly unidirectional valve union male 16 and rotary body on oil pipe
To valve union, cloudy 15 can be switched on or switched off, and during connection, hydraulic circuit and liquid-supplying system are connected, and during disconnection, quick check valve connects
Head the moon 15 is each self-enclosed with quickly unidirectional valve union male 16.
With reference to Fig. 6, liquid-supplying system includes reversal valve A17, oil pump 19, fuel tank 21 and overflow valve 20, and reversal valve A17 mono- stretches
Quickly unidirectional valve union male 16 is arranged on the two oil pipe terminations going out, other end connects oil pump 19, oil pump 19 connects fuel tank 21,
It is connected overflow valve 20 between oil pump 19 and reversal valve A17.
During clamping workpiece, start oil pump 19, reversal valve A17 commutates to right position, fluid sequentially pass through fuel tank 21, oil pump 19,
The right position of reversal valve A17, quickly unidirectional valve union male 16, quickly unidirectional valve union cloudy 15, fluid-control one-way lock 6 enter clamping oil
The rodless cavity of cylinder 7, three cylinder piston rods stretch out clamping workpiece.Clamping cylinder 7 rod chamber fluid is through quickly unidirectional valve union
The moon 15, quickly unidirectional valve union male 16, reversal valve A17 right position oil sump tank 21；
When needing to decontrol workpiece, reversal valve A17 commutates to left position, and fluid sequentially passes through fuel tank 21, oil pump 19, reversal valve
Cloudy 15 entrance clamping cylinder 7 rod chambers of the left position of A17, quickly unidirectional valve union male 16, quickly unidirectional valve union, three oil cylinders
Piston rod is retracted and is decontroled workpiece, and rodless cavity fluid is by fluid-control one-way lock 6, quickly unidirectional valve union cloudy 15, quick check valve
Joint male 16, reversal valve A17 left position oil sump tank 21.
Because the centre frame that this utility model provides is closed centre frame it is impossible to open direct placement workpiece, workpiece needs
Centre frame to be inserted, is limited by lathe head of a bed tailstock, directly can be very inconvenient along major axes orientation insertion workpiece, therefore in order to solve
This problem, as the improvement of technical scheme, support body 3 is rotatably coupled with base 1, and on base 1, the formula of lying fixes a pendulum
Dynamic oil cylinder 12, the piston rod of oscillating oil cylinder 12 is fixedly connected with support body 3, during the motion drive support body 3 of piston rod with vertical axis is
The heart does the swing of certain angle, with reference to Fig. 4 and Fig. 5, is two limit states that oscillating oil cylinder 12 drives support body 3 motion.
After increased oscillating oil cylinder 12, using this embodiment center rest support workpiece when, first with oscillating oil cylinder 12
The angle of the flexible adjustment support body 3 of piston rod, after being adjusted to correct position, processing workpiece is inserted in rotary body 4, recycles
Oscillating oil cylinder 12 piston rod pushes back Working position support body 3, you can carry out clamping oil cylinder 7 to the clamping of workpiece and follow-up plus
Work.
In order to oscillating oil cylinder 12 feed flow, as the improvement of technical scheme, clamping oil cylinder 7 liquid-supplying system reversal valve A17 with
Branch line is connected with the pipeline between oil pump 19, branch line arranges reversal valve B18, reversal valve B18 and oscillating oil cylinder
12 hydraulic fluid port is connected by oil pipe, and the oil pipe between reversal valve B18 and oscillating oil cylinder 12 hydraulic fluid port is provided with a fluid-control one-way
Lock 6.
When needing card engaging workpiece, reversal valve B18 commutates to left position, and fluid passes through fuel tank 21, oil pump 19, a reversal valve B18 left side
Position enters oscillating oil cylinder 12 rod chamber, and oscillating oil cylinder piston rod is retracted, and drives support body to rotate to an angle, facilitates workpiece to stretch
Enter centre frame, rodless cavity fluid passes through hydraulic control one-way valve 6, reversal valve B18 left position oil sump tank；
After workpiece stretches into centre frame, reversal valve B18 commutates to right position, and fluid passes through fuel tank 21, oil pump 19, reversal valve B18
Right position, hydraulic control one-way valve 6 enter oscillating oil cylinder 12 rodless cavity, and oscillating oil cylinder piston rod stretches out, and drive support body to ajust, by spacing
Block is spacing.Rod chamber fluid passes through reversal valve B18 right position oil sump tank.
The embodiment being connected with oscillating oil cylinder 12 as a kind of preferably support body 3, support body 3 is provided with connecting lug,
Match with the earrings of oscillating oil cylinder 12 piston rod end setting, connected by bearing pin 10, and bearing pin is limited by split pin 11
10 abjections.Penetrated by steady pin 14 at oscillating oil cylinder 12 cylinder bottom earrings, steady pin 14 is threadedly secured on base 1.Swing
After oil cylinder 12 cylinder bottom is inserted in steady pin 14, abjection is limited by baffle ring, and spacing by split pin 11.
For the position of further fixing bracket body 3, support body 3 lower section two ends are provided with two fixture block 1-1, in the phase of base 1
Position is answered to be provided with the draw-in groove 1-2 mating with fixture block 1-1, draw-in groove 1-2 is formula U-shaped of lying, the opening direction phase of two draw-in groove 1-2
Instead.The upper card lip of draw-in groove 1-2 can prevent beating of support body 4 in the vertical direction simultaneously.
Preferably, oscillating oil cylinder 12 drives the angle that support body 3 swings to be 0-40 °.
Preferably, the annular auxiliary section of support body 3 is connected by rolling bearing 8 with rotary body 4, and support body 3 and base 1 pass through flat
Spherical bearing 2 connects.
Claims (10)
1. self-centering rotates totally-enclosed centre frame, is fixed on lathe for supporting workpiece to be processed it is characterised in that including bottom
Seat, support body and the rotary body in annular, base is fixed on lathe, and support body is connected with base, and support body includes annular cooperation
Portion, annular auxiliary section and rotary body are rotatably coupled, and the annular circumferential of rotary body are fixed 3 clamping oil cylinders, by card
The stretching motion of locking oil cylinder piston rod, by workpiece to be processed clamping, is processed to workpiece by lathe.
2. self-centering according to claim 1 rotates totally-enclosed centre frame it is characterised in that every on described rotary body
It is provided with fluid-control one-way lock, each fluid-control one-way lock one described clamping oil cylinder of coupling, on rotary body in the middle of two clamping oil cylinders
It is additionally provided with two quickly unidirectional valve union the moon heads, the quickly unidirectional valve union the moon head on rotary body, fluid-control one-way lock, clamping oil cylinder
Between connected by oil pipe, form a hydraulic circuit, being provided with liquid-supplying system is hydraulic circuit feed flow, and liquid-supplying system returned with hydraulic pressure
The oil pipe termination that road connects is provided with quickly unidirectional valve union male, and on the quickly unidirectional valve union male on oil pipe and rotary body
Quickly unidirectional valve union the moon head can be switched on or switched off, during connection, hydraulic circuit and liquid-supplying system are connected, and during disconnection, each is fast
The unidirectional valve union of speed is each closed.
3. self-centering according to claim 2 rotates totally-enclosed centre frame it is characterised in that described liquid-supplying system includes changing
To valve A, oil pump, fuel tank and overflow valve, two oil pipe terminations that reversal valve A mono- stretches out arrange described quickly unidirectional valve union
Male, other end connects oil pump, and oil pump connects fuel tank, is connected overflow valve between oil pump and reversal valve A.
4. self-centering according to claim 1 rotates totally-enclosed centre frame it is characterised in that described support body can turn with base
Connect, on base, the formula of lying fixes an oscillating oil cylinder, the piston rod of oscillating oil cylinder is fixedly connected with support body, piston rod dynamicly
Motion drives support body to do the swing of certain angle centered on vertical axis.
5. self-centering according to claim 4 rotates totally-enclosed centre frame it is characterised in that every on described rotary body
It is provided with fluid-control one-way lock, each fluid-control one-way lock one described clamping oil cylinder of coupling, on rotary body in the middle of two clamping oil cylinders
It is additionally provided with two quickly unidirectional valve union the moon heads, the quickly unidirectional valve union the moon head on rotary body, fluid-control one-way lock, clamping oil cylinder
Between connected by oil pipe, form a hydraulic circuit, being provided with liquid-supplying system is hydraulic circuit feed flow, and liquid-supplying system returned with hydraulic pressure
The oil pipe termination that road connects is provided with quickly unidirectional valve union male, and on the quickly unidirectional valve union male on oil pipe and rotary body
Quickly unidirectional valve union the moon head can be switched on or switched off, during connection, hydraulic circuit and liquid-supplying system are connected, and during disconnection, each is fast
The unidirectional valve union of speed is each closed.
6. self-centering according to claim 5 rotates totally-enclosed centre frame it is characterised in that described liquid-supplying system includes changing
To valve A, oil pump, fuel tank and overflow valve, two oil pipe terminations that reversal valve A mono- stretches out arrange described quickly unidirectional valve union
Male, other end connects oil pump, and oil pump connects fuel tank, is connected overflow valve between oil pump and reversal valve A；
It is connected with branch line, branch line is described oscillating oil cylinder feed flow on pipeline between described reversal valve A and oil pump, point
Reversal valve B is arranged on bye-pass, reversal valve B is connected by oil pipe with the hydraulic fluid port of oscillating oil cylinder, in reversal valve B and oscillating oil cylinder oil
Oil pipe between mouthful is provided with a fluid-control one-way lock.
7. self-centering according to claim 4 rotates totally-enclosed centre frame it is characterised in that two ends set below described support body
There is fixture block, the draw-in groove being mated with fixture block is provided with the relevant position of described base, draw-in groove is to lie formula U-shaped, the opening of two draw-in grooves
Mouth is in opposite direction.
8. self-centering according to claim 4 rotates totally-enclosed centre frame it is characterised in that described oscillating oil cylinder drives institute
The angle stating support body swing is 0-40 °.
9. self-centering according to claim 4 rotates totally-enclosed centre frame it is characterised in that described support body and described base
Connected by plane bearing.
10. totally-enclosed centre frame is rotated according to the arbitrary described self-centering of claim 1 or 4 it is characterised in that described support body
Annular auxiliary section is connected by rolling bearing with rotary body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620910247.1U CN205968235U (en) | 2016-08-19 | 2016-08-19 | From rotatory totally closed centre frame of centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620910247.1U CN205968235U (en) | 2016-08-19 | 2016-08-19 | From rotatory totally closed centre frame of centering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205968235U true CN205968235U (en) | 2017-02-22 |
Family
ID=58032028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620910247.1U Withdrawn - After Issue CN205968235U (en) | 2016-08-19 | 2016-08-19 | From rotatory totally closed centre frame of centering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205968235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112577A (en) * | 2016-08-19 | 2016-11-16 | 辽宁科宇机械装备制造股份有限公司 | Self-centering rotates totally-enclosed centre frame |
-
2016
- 2016-08-19 CN CN201620910247.1U patent/CN205968235U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112577A (en) * | 2016-08-19 | 2016-11-16 | 辽宁科宇机械装备制造股份有限公司 | Self-centering rotates totally-enclosed centre frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Self-centering rotary completely-closed center frame Effective date of registration: 20170804 Granted publication date: 20170222 Pledgee: Panjin xintailong financing Company limited by guarantee Pledgor: Liaoning Yu machinery equipment manufacturing Limited by Share Ltd Registration number: 2017990000709 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20190628 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20190628 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200114 Granted publication date: 20170222 Pledgee: Panjin xintailong financing Company limited by guarantee Pledgor: Liaoning Yu machinery equipment manufacturing Limited by Share Ltd Registration number: 2017990000709 |