CN106112577B - The self-centering totally-enclosed centre frame of rotation - Google Patents
The self-centering totally-enclosed centre frame of rotation Download PDFInfo
- Publication number
- CN106112577B CN106112577B CN201610695093.3A CN201610695093A CN106112577B CN 106112577 B CN106112577 B CN 106112577B CN 201610695093 A CN201610695093 A CN 201610695093A CN 106112577 B CN106112577 B CN 106112577B
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- frame body
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- oil cylinder
- rotary body
- pedestal
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 114
- 239000002828 fuel tank Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000010727 cylinder oil Substances 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 abstract description 2
- 230000004217 heart function Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
- B23Q1/763—Rotating steadies or rests
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/26—Fluid-pressure drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention belongs to machine tooling technical field of auxiliary equipment, specifically provide a kind of self-centering totally-enclosed centre frame of rotation, including pedestal, frame body and in the rotary body of circular ring shape, pedestal is fixed on lathe, frame body is connect with pedestal, and frame body is rotatably coupled with rotary body, and 3 clamping oil cylinders are fixed in the annular circumferential of rotary body, by the stretching motion of clamping cylinder piston rod by workpiece to be processed clamping, workpiece is processed by lathe.The present invention makes heart function by oneself by the realization of clamping oil cylinder, and the process for avoiding the processing central bracket positioning belt on workpiece reduces working time.Rotary body frame body opposite with workpiece rotates together, and avoids friction of the workpiece to claw, extends service life of equipment.In addition it can be relatively rotated by a certain angle between frame body and pedestal, workpiece is facilitated to be put into.
Description
Technical field
The invention belongs to machine tooling technical field of auxiliary equipment, specifically provide a kind of self-centering totally-enclosed center of rotation
Frame.
Background technique
Centre frame is the auxiliary device of radial support rotational workpieces in processing.When processing, with workpiece without moving to axial.
Centre frame mostly uses three-jaw centering structure, and existing centre frame utilizes Manual structure by three chuck jaw clamping rotational workpieces, rotation more
Turn workpiece rotation, centre frame does not rotate.There are the following problems: 1, manually adjusting supporting point centering, low efficiency；2, workpiece and chuck
It is sliding friction between pawl top supporting block, easy to wear, the service life is short；3, workpiece blank outer circle cannot be used directly, it is necessary to be processed
Positioning port positions, low efficiency for centre frame；4, installation is poor, and two parts link centre frame by simple bolt up and down, in processing
If workpiece centering effect is bad, centre frame unbalance stress easily causes equipment, personal injury.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of self-centering totally-enclosed centre frames of rotation, by that will block
Pawl is set as hydraulic cylinder, and heart function is made in realization by oneself, and the process for avoiding the processing central bracket positioning belt on workpiece reduces labour
Time；Rotary body frame body opposite with workpiece rotates together, and avoids friction of the workpiece to claw, extends service life of equipment.
The invention is realized in this way providing a kind of self-centering totally-enclosed centre frame of rotation, it is fixed on lathe and is used to branch
Workpiece to be processed is supportted, including pedestal, frame body and in the rotary body of circular ring shape, pedestal is fixed on lathe, and frame body is connect with pedestal,
Frame body includes circular ring shape auxiliary section, and circular ring shape auxiliary section is rotatably coupled with rotary body, fixes 3 in the annular circumferential of rotary body
A clamping oil cylinder processes workpiece by lathe by the stretching motion of clamping cylinder piston rod by workpiece to be processed clamping.
Further, fluid-control one-way is equipped among the every two clamping oil cylinder on rotary body to lock, each fluid-control one-way lock
A clamping oil cylinder is matched, two quickly unidirectional valve union yin heads, the quick list on rotary body are additionally provided on rotary body
It is connected between valve union yin head, fluid-control one-way lock, clamping oil cylinder by oil pipe, forms a hydraulic circuit, be equipped with feed flow system
System is hydraulic circuit feed flow, and the oil pipe end that liquid-supplying system is connect with hydraulic circuit is equipped with quickly unidirectional valve union male, and oil
Quick unidirectional valve union male on pipe can be switched on or switched off with the quick unidirectional valve union yin head on rotary body, liquid when connection
It pushes back road and liquid-supplying system to connect, when disconnection, each quickly unidirectional valve union was respectively closed.
Further, liquid-supplying system includes reversal valve A, oil pump, fuel tank and overflow valve, reversal valve A mono- two stretched out
The quickly unidirectional valve union male is set on oil pipe end, and other end connects oil pump, and oil pump connects fuel tank, oil pump and reversal valve
Overflow valve is connected between A.
Further, frame body is rotatably coupled with pedestal, and the formula of lying fixes an oscillating oil cylinder, oscillating oil cylinder on pedestal
Piston rod be fixedly connected with frame body, the movement of piston rod drives frame body to do the swing of certain angle centered on vertical axis.
For the above-mentioned centre frame for increasing oscillating oil cylinder, further, in the every two clamping oil cylinder on rotary body
Between be equipped with fluid-control one-way and lock, each fluid-control one-way lock one clamping oil cylinder of matching is additionally provided with two quickly on rotary body
Unidirectional valve union yin head passes through oil pipe company between the quick unidirectional valve union yin head, fluid-control one-way lock, clamping oil cylinder on rotary body
It connects, forms a hydraulic circuit, being equipped with liquid-supplying system is hydraulic circuit feed flow, the oil pipe end that liquid-supplying system is connect with hydraulic circuit
Head is equipped with quickly unidirectional valve union male, and the quick unidirectional valve union male on oil pipe connects with the quick check valve on rotary body
The negative head of head can be switched on or switched off, and hydraulic circuit and liquid-supplying system are connected when connection, and each quickly unidirectional valve union is each when disconnection
It is self-enclosed.
Further, liquid-supplying system includes reversal valve A, oil pump, fuel tank and overflow valve, reversal valve A mono- two stretched out
The quickly unidirectional valve union male is set on oil pipe end, and other end connects oil pump, and oil pump connects fuel tank, oil pump and reversal valve
Overflow valve is connected between A；
Branch line is connected on pipeline between reversal valve A and oil pump, branch line is the oscillating oil cylinder feed flow, point
The hydraulic fluid port of setting reversal valve B, reversal valve B and oscillating oil cylinder is connected by oil pipe on bye-pass, in reversal valve B and oscillating oil cylinder oil
Oil pipe between mouthful is equipped with a fluid-control one-way lock.
Further, both ends are equipped with fixture block below frame body, are equipped on the corresponding position of the pedestal matched with fixture block
Card slot, card slot are formula U-shaped of lying, and the opening direction of two card slots is opposite.
Further, the angle that oscillating oil cylinder drives the frame body to swing is 0-40 °.
Further, frame body is connect with the pedestal by plane bearing.
Further, the circular ring shape auxiliary section of frame body is connect with rotary body by rolling bearing.
Compared with the prior art, the advantages of the present invention are as follows:
1, hydraulic system reduces the labor intensity of worker convenient for operation；
2, rotary body is rotated together with workpieces processing, using three-jaw self-centering principle, does not have to workpieces processing excircle orientation band,
Process is reduced, cost is saved；
3, using revolving support, good rigidity；
4, hydraulic coupling clamping, it is reliable and stable, system pressure can be set up by safety valve, limit clamping force.
Detailed description of the invention
Fig. 1 is the self-centering totally-enclosed centre frame schematic view of the front view of rotation provided by the invention；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the left view structural representation of Fig. 1；
Fig. 4 is the overlooking structure diagram of Fig. 1；
Fig. 5 is the maximum angle status diagram that oscillating oil cylinder piston rod drives frame body rotation；
Fig. 6 is the liquid-supplying system schematic diagram of cylinder system of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.
In order to solve, existing centre frame centre frame present in support workpieces processing rotary course is inconvenient to use, uses
The problems such as service life is short, the present invention provides a kind of self-centering totally-enclosed centre frames of rotation, and with reference to Fig. 1 and Fig. 2, which includes
Pedestal 1, frame body 3 and the rotary body 4 in circular ring shape, pedestal 1 are fixed on lathe, and frame body 3 is connect with pedestal 1, and frame body 3 includes circle
Annular engagement portion, circular ring shape auxiliary section are rotatably coupled with rotary body 4, and 3 clamping oil are fixed in the annular circumferential of rotary body 4
Cylinder 7 processes workpiece by lathe by the stretching motion of the piston rod of clamping oil cylinder 7 by workpiece to be processed clamping.
When being supported using the present invention to machine tool processing workpiece, the work of 3 clamping oil cylinders 7 on rotary body 4 is utilized
Stopper rod fixes workpiece, makes the main-shaft core of the center lathe of workpiece, after the liquid-supplying system for disconnecting clamping oil cylinder 7
Start lathe, workpiece is processed, workpiece rotates together with rotary body 4 in process, overcomes previous workpiece and center
It is sliding friction between frame chuck jaw top supporting block, makes the problem that centre frame is easy to wear, the service life is short.
In order to realize that clamping oil cylinder 7 to the clamping intensity of workpiece, keeps coupling mechanism force, prevents between cylinder piston rod and workpiece
There is relative motion, with reference to Fig. 3, as the improvement of technical solution, liquid is equipped among the every two clamping oil cylinder 7 on rotary body 4
One-way lock 6 is controlled, each 6 one clamping oil cylinder 7 of matching of fluid-control one-way lock is additionally provided with two quick check valves on rotary body 4 and connects
Head negative head 15 passes through oil pipe company between the quick unidirectional valve union yin head 15, fluid-control one-way lock 6, clamping oil cylinder 7 on rotary body 4
It connects, forms a hydraulic circuit, being equipped with liquid-supplying system is hydraulic circuit feed flow, the oil pipe end that liquid-supplying system is connect with hydraulic circuit
Head also is provided with quickly unidirectional valve union male 16, and the quick unidirectional valve union male 16 on oil pipe and the quick list on rotary body
It can be switched on or switched off to valve union yin head 15, hydraulic circuit and liquid-supplying system are connected when connection, and when disconnection, quick check valve connect
The negative head 15 of head and quick unidirectional valve union male 16 are each self-enclosed.
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- is stretched
Quickly unidirectional valve union male 16, other end are set on two oil pipe ends out and connect oil pump 19, oil pump 19 connects fuel tank 21,
Overflow valve 20 is connected between oil pump 19 and reversal valve A17.
When clamping workpiece, start oil pump 19, reversal valve A17 commutates to right position, oil liquid successively pass through fuel tank 21, oil pump 19,
The right position reversal valve A17, quickly unidirectional valve union male 16, quickly unidirectional valve union yin head 15, fluid-control one-way lock 6, which enter, clamps oil
The rodless cavity of cylinder 7, three cylinder piston rods, which stretch out, clamps workpiece.7 rod chamber oil liquid of clamping cylinder is by quick unidirectional valve union
Negative head 15, quickly unidirectional valve union male 16, the right position oil return box 21 of reversal valve A17；
When needing to decontrol workpiece, reversal valve A17 commutates to left position, and oil liquid successively passes through fuel tank 21, oil pump 19, reversal valve
The left position A17, quickly unidirectional valve union male 16, quickly unidirectional valve union yin head 15 enters 7 rod chamber of clamping cylinder, three oil cylinders
Piston rod, which retracts, decontrols workpiece, and rodless cavity oil liquid passes through fluid-control one-way lock 6, quick unidirectional valve union yin head 15, quick check valve
Connector male 16, the left position reversal valve A17 oil return box 21.
Since centre frame provided by the invention is closed centre frame, it can not open and directly place workpiece, workpiece needs to insert
Enter centre frame, 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 solution, frame body 3 is rotatably coupled with pedestal 1, and the formula of lying fixes a swing oil on pedestal 1
The piston rod of cylinder 12, oscillating oil cylinder 12 is fixedly connected with frame body 3, and the movement of piston rod drives frame body 3 to do centered on vertical axis
The swing of certain angle, with reference to Fig. 4 and Fig. 5, two limiting conditions for driving frame body 3 to move for oscillating oil cylinder 12.
After increasing oscillating oil cylinder 12, using the embodiment center rest support workpiece when, first with oscillating oil cylinder 12
The angle of the flexible adjustment frame body 3 of piston rod, after being adjusted to suitable position, workpieces processing is inserted into rotary body 4, is recycled
Frame body 3 is pushed back Working position by 12 piston rod of oscillating oil cylinder, can carry out clamping oil cylinder 7 to the clamping of workpiece and it is subsequent plus
Work.
In order to give 12 feed flow of oscillating oil cylinder, as the improvement of technical solution, 7 liquid-supplying system reversal valve A17 of clamping oil cylinder with
It is connected with branch line on pipeline between oil pump 19, reversal valve B18, reversal valve B18 and oscillating oil cylinder are set on branch line
12 hydraulic fluid port is connected by oil pipe, and a fluid-control one-way is equipped on the oil pipe between 12 hydraulic fluid port of reversal valve B18 and oscillating oil cylinder
Lock 6.
When needing card engaging workpiece, reversal valve B18 commutates to left position, and oil liquid is left by fuel tank 21, oil pump 19, reversal valve B18
Position enters 12 rod chamber of oscillating oil cylinder, and oscillating oil cylinder piston rod retracts, and drives frame body to rotate by a certain angle, workpiece is facilitated to stretch
Enter centre frame, rodless cavity oil liquid passes through hydraulic control one-way valve 6, the left position reversal valve B18 oil return box；
After workpiece protrudes into centre frame, reversal valve B18 commutates to right position, and oil liquid passes through fuel tank 21, oil pump 19, reversal valve B18
Right position, hydraulic control one-way valve 6 enter 12 rodless cavity of oscillating oil cylinder, and oscillating oil cylinder piston rod stretches out, and drive frame body to ajust, pass through limit
Block limit.Rod chamber oil liquid passes through the right position oil return box of reversal valve B18.
As a kind of embodiment that preferably frame body 3 is connect with oscillating oil cylinder 12, it is provided with connecting lug on frame body 3,
It matches with the earrings of 12 piston rod end of oscillating oil cylinder setting, is connected by pin shaft 10, and pin shaft is limited by split pin 11
10 abjections.It is penetrated at 12 cylinder bottom earrings of oscillating oil cylinder by fixed pin 14, fixed pin 14 is threadedly secured on pedestal 1.It swings
It after 12 cylinder bottom of oil cylinder is inserted in fixed pin 14, limits by baffle ring, and is limited by split pin 11.
For the position of further fixing bracket body 3,3 lower section both ends of frame body set that there are two fixture block 1-1, in the phase of pedestal 1
Answering position to be equipped with the matched card slot 1-2 of fixture block 1-1, card slot 1-2 is formula U-shaped of lying, the opening direction phase of two card slot 1-2
Instead.The upper card lip of card slot 1-2 can prevent the bounce of frame body 4 in the vertical direction simultaneously.
It is preferred that the angle that oscillating oil cylinder 12 drives frame body 3 to swing is 0-40 °.
It is preferred that the circular ring shape auxiliary section of frame body 3 is connect with rotary body 4 by rolling bearing 8, frame body 3 and pedestal 1 are by putting down
Spherical bearing 2 connects.
Claims (6)
1. the self-centering totally-enclosed centre frame of rotation, is fixed on and is used to support workpiece to be processed on lathe, which is characterized in that the bottom of including
Seat, frame body and the rotary body in circular ring shape, pedestal are fixed on lathe, and frame body is connect with pedestal, and frame body includes circular ring shape cooperation
Portion, circular ring shape auxiliary section are rotatably coupled with rotary body, and 3 clamping oil cylinders are fixed in the annular circumferential of rotary body, pass through card
The stretching motion of locking oil cylinder piston rod processes workpiece by workpiece to be processed clamping, by lathe；
It is equipped with fluid-control one-way among the every two clamping oil cylinder on the rotary body to lock, one institute of each fluid-control one-way lock matching
Clamping oil cylinder is stated, two quickly unidirectional valve union yin heads, the quick unidirectional valve union yin on rotary body are additionally provided on rotary body
Head, fluid-control one-way lock are connected by oil pipe between clamping oil cylinder, form a hydraulic circuit, being equipped with liquid-supplying system is hydraulic time
Road feed flow, the oil pipe end that liquid-supplying system is connect with hydraulic circuit are equipped with quickly unidirectional valve union male, and quick on oil pipe
Unidirectional valve union male can be switched on or switched off with the quick unidirectional valve union yin head on rotary body, hydraulic circuit and confession when connection
Liquid system is connected, and each quickly unidirectional valve union is respectively closed when disconnection；
The frame body is rotatably coupled with pedestal, and the formula of lying fixes an oscillating oil cylinder, the piston rod of oscillating oil cylinder on pedestal
It is fixedly connected with frame body, the movement drive frame body of piston rod does the swing of certain angle centered on vertical axis.
2. the self-centering totally-enclosed centre frame of rotation according to claim 1, which is characterized in that the liquid-supplying system includes changing
To valve A, oil pump, fuel tank and overflow valve, the quickly unidirectional valve union is set on two oil pipe ends of reversal valve A mono- stretching
Male, other end connect oil pump, and oil pump connects fuel tank, connects overflow valve between oil pump and reversal valve A；
Branch line is connected on pipeline between the reversal valve A and oil pump, branch line is the oscillating oil cylinder feed flow, point
The hydraulic fluid port of setting reversal valve B, reversal valve B and oscillating oil cylinder is connected by oil pipe on bye-pass, in reversal valve B and oscillating oil cylinder oil
Oil pipe between mouthful is equipped with a fluid-control one-way lock.
3. the self-centering totally-enclosed centre frame of rotation according to claim 1, which is characterized in that both ends are set below the frame body
Have fixture block, be equipped on the corresponding position of the pedestal with the matched card slot of fixture block, card slot is to lie formula U-shaped, and two card slots are opened
Mouth is contrary.
4. the self-centering totally-enclosed centre frame of rotation according to claim 1, which is characterized in that the oscillating oil cylinder drives institute
The angle for stating frame body swing is 0-40 °.
5. the self-centering totally-enclosed centre frame of rotation according to claim 1, which is characterized in that the frame body and the pedestal
It is connected by plane bearing.
6. the self-centering totally-enclosed centre frame of rotation according to claim 1, which is characterized in that the circular ring shape of the frame body is matched
Conjunction portion is connect with rotary body by rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610695093.3A CN106112577B (en) | 2016-08-19 | 2016-08-19 | The self-centering totally-enclosed centre frame of rotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610695093.3A CN106112577B (en) | 2016-08-19 | 2016-08-19 | The self-centering totally-enclosed centre frame of rotation |
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| Publication Number | Publication Date |
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| CN106112577A CN106112577A (en) | 2016-11-16 |
| CN106112577B true CN106112577B (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610695093.3A Active CN106112577B (en) | 2016-08-19 | 2016-08-19 | The self-centering totally-enclosed centre frame of rotation |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392739A (en) * | 2016-11-30 | 2017-02-15 | 无锡润和机电技术有限公司 | Rotation machining device for special-shaped workpiece |
| CN111590344A (en) * | 2020-05-28 | 2020-08-28 | 芜湖市零一精密工具制造有限公司 | Supporting platform for cutter machining |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203887538U (en) * | 2014-06-23 | 2014-10-22 | 河南伟彤科技股份有限公司 | Centre frame hydraulic swivel plate |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB871475A (en) * | 1957-02-27 | 1961-06-28 | Rk Leblond Machine Tool Co | Method and apparatus for preventing vibration of elongated drill in a drilling machine |
| JP2003211335A (en) * | 2002-01-22 | 2003-07-29 | Mori Seiki Hitech Co Ltd | Work support device for machine tool |
| CN2843681Y (en) * | 2005-12-02 | 2006-12-06 | 天水星火机床有限责任公司 | Rotary centering holder |
| CN200982333Y (en) * | 2006-08-22 | 2007-11-28 | 南通纵横国际股份有限公司 | Hydraulic pressure-keeping device of hydraulic clamp |
| CN201988929U (en) * | 2011-01-25 | 2011-09-28 | 张家口长城液压油缸有限公司 | Hydraulic self-centering center frame |
| CN201988936U (en) * | 2011-03-09 | 2011-09-28 | 东北石油大学 | Automatic clamping hydraulic device for ordinary vertical milling machine |
| CN205968235U (en) * | 2016-08-19 | 2017-02-22 | 辽宁科宇机械装备制造股份有限公司 | From rotatory totally closed centre frame of centering |
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2016
- 2016-08-19 CN CN201610695093.3A patent/CN106112577B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203887538U (en) * | 2014-06-23 | 2014-10-22 | 河南伟彤科技股份有限公司 | Centre frame hydraulic swivel plate |
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Denomination of invention: Self centering rotating fully enclosed center frame Effective date of registration: 20201109 Granted publication date: 20190628 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: LIAONING KEYU MACHINERY EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2020210000059 |
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Denomination of invention: Self centering rotating totally enclosed center frame Effective date of registration: 20221111 Granted publication date: 20190628 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: LIAONING KEYU MACHINERY EQUIPMENT MANUFACTURING CO.,LTD. Registration number: Y2022210000195 |
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Date of cancellation: 20230320 Granted publication date: 20190628 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: LIAONING KEYU MACHINERY EQUIPMENT MANUFACTURING CO.,LTD. Registration number: Y2022210000195 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Self centering rotary fully enclosed center frame Effective date of registration: 20230321 Granted publication date: 20190628 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: LIAONING KEYU MACHINERY EQUIPMENT MANUFACTURING CO.,LTD. Registration number: Y2023210000048 |
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Granted publication date: 20190628 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: LIAONING KEYU MACHINERY EQUIPMENT MANUFACTURING CO.,LTD. Registration number: Y2023210000048 |
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| PC01 | Cancellation 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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Self centering rotating fully enclosed center frame Granted publication date: 20190628 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: LIAONING KEYU MACHINERY EQUIPMENT MANUFACTURING CO.,LTD. Registration number: Y2024210000018 |