CN104999295B - Clamp for disc-shaped large casting multi-hole and multi-plane finish machining - Google Patents
Clamp for disc-shaped large casting multi-hole and multi-plane finish machining Download PDFInfo
- Publication number
- CN104999295B CN104999295B CN201510461207.3A CN201510461207A CN104999295B CN 104999295 B CN104999295 B CN 104999295B CN 201510461207 A CN201510461207 A CN 201510461207A CN 104999295 B CN104999295 B CN 104999295B
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- Prior art keywords
- clamping disk
- disc
- clamping
- heavy castings
- spacer
- 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.)
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Links
- 238000005266 casting Methods 0.000 title claims abstract description 26
- 238000003754 machining Methods 0.000 title abstract description 16
- 125000006850 spacer group Chemical group 0.000 claims description 59
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 23
- 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 description 16
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 239000000725 suspension Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007514 turning Methods 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a clamp for disc-shaped large casting multi-hole and multi-plane finish machining. The clamp comprises a disc-shaped boss arranged on a base. A clamping disc is obliquely connected to the top of the disc-shaped boss through a rotating shaft. A plurality of lower positioning pieces are arranged between the clamping disc and the disc-shaped boss and fixedly connected to the disc-shaped boss. A plurality of upper positioning pieces are connected to the top of the clamping disc. The upper positioning pieces and the lower positioning pieces are arranged in the circumferential direction of the clamping disc respectively. Each upper positioning piece and the corresponding lower positioning piece are provided with a plurality of corresponding connecting holes. Products to be machined penetrate through the connecting holes in the upper and lower positioning pieces through a plurality of connecting pieces to be connected and fixed. The portion, close to the rotating shaft, of the clamping disc is provided with a plurality of clamping devices. The clamp is simple in structure, low in cost and high in clamping stability, collision and damage phenomena caused by repeated clamping are reduced, and machining efficiency and product machining quality are improved.
Description
Technical field
The present invention relates to large parts, especially heavy castings finishing technology field, more particularly to disc is big
The many plane precision process fixtures of type foundry goods porous.
Background technology
Large parts, especially through the irregular heavy castings of elongated of cast form, needs after the casting
The polish of multiple faces or multiple installation sites is carried out, to meet the feature and connectivity to its local etc. of heavy castings
Require, but, surface configuration complex heavy castings more especially for curved surface, its in finishing passes, no matter
It is the processing after positioning, or positioning, operation is required to many people cooperative cooperating simultaneously, and each face and each local
Processing, will individually fix so that its processing duration is longer, waste of manpower, add man-hour, there is also shake knife phenomenon, affect
The local size precision of heavy castings to be processed, serious meeting causes to scrap, and the accuracy for positioning is also bad.And it is every
One-time positioning, it may be desirable to which different fixtures, cost is also of a relatively high.
For macrotype spherical parts member or foundry goods, when being clamped, due to clamping built on the sand, can cause to be processed
The shake knife phenomenon of parts, causes the surface smoothness for being processed parts inadequate, the inaccurate phenomenon of processing dimension.In addition big
In the spherical parts of type or foundry goods finishing passes, repeated clamping can be also caused, be positioned repeatedly, difference processing orientation needs
Individually positioning, wastes time and energy, and the duration is longer, and positioning precision is not also accurate.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides many plane precision process of disc heavy castings porous
With fixture, its object is to reduce the phenomenon of damaging produced because of repeated clamping, lift working (machining) efficiency.Reduction is produced because of resetting
Raw mismachining tolerance, the processing quality of improving product；The jig main body that it is used is integral casting process, so as to ensure that fixture is whole
Body strength and stiffness, it is to avoid macrotype spherical foundry goods to be processed or other macrotype spherical parts produce shake knife in working angles
Phenomenon, improves workpiece machining surface fineness and each accurate to dimension, improves the production and processing quality of product.
The technical solution adopted in the present invention is：The many plane precision process fixtures of disc heavy castings porous, including setting
The discoid convex on pedestal is put, discoid convex top is connected with clamping disk by rotating shaft, and clamping disk is obliquely connected to
On discoid convex；Some lower spacers are provided between clamping disk and discoid convex, and some lower spacers are regularly
It is connected on discoid convex, clamping disk top is also associated with some upper spacers, some upper spacers and some lower spacers
Respectively along the circumferential position arrangement of clamping disk, some corresponding connecting holes are provided with spacer and lower spacer on each,
Processed product is connected by several connectors through the connecting hole of upper spacer and lower spacer；It is close on clamping disk
Several clamping devices are additionally provided near rotating shaft.The fixture of the present invention, is provided with discoid convex on pedestal, and by turning
Axle is connected to the clamping disk of clamping processed product；At the same time, the present invention, is on the one hand provided with some at the top of clamping disk
Upper spacer is used for positioning position of the processed product on clamping disk；On the other hand, fix fixed with discoid convex
The corresponding lower spacer of bit slice, by several connectors the connection of corresponding upper spacer and lower spacer per a pair is passed through
Hole, realization is fixed on processed product on clamping disk.The advantage of the fixture is that it is right on clamping disk that some upper spacers are fixed on
Processed product is fixed, and rotates around the axis, just the processing orientation of rotatable processed product, realizes multi-faceted processing, and
Without the need for repeating to clamp processed product, only clamping disk need to be rotated, retighten upper and lower spacer, that is, realize processed product
Machine direction is rotated.The fixture avoids processed product due to multi-faceted processing, and the abrasion that clamping is caused is repeated several times, and
And improve working (machining) efficiency, stability of rotation.And ensure that fixture bulk strength and rigidity, it is to avoid macrotype spherical casting to be processed
Part or other macrotype spherical parts produce shake knife phenomenon in working angles, improve workpiece machining surface fineness and Ge Jia
Work dimensional accuracy, improves the production and processing quality of product.
Further improvement of the present invention is that power source is additionally provided with inside the discoid convex on pedestal, power source connection
Rotating shaft, and power source is provided for it, and then drive clamping disk to rotate, and drive processed product to rotate, improve whole folder
The work efficiency of tool, with more preferable intelligent effect.
Further improvement of the present invention is also to be provided with some fixed blocks on pedestal along the neighboring of clamping disk,
Put on each fixed block and be provided with an alignment pin；A positioning is provided with clamping disk at the position of each alignment pin of correspondence
Hole, realizes the further fastening to clamping disk, it is ensured that processed product is adding man-hour, will not produce shake knife phenomenon, improves and treats
The crudy of converted productss.
Further improvement of the present invention is that each location hole on clamping disk is provided with U-type groove, enhances clamping disk
Fastening performance.
Further improvement of the present invention is that some suspension ring are additionally provided with pedestal, facilitates stone tongs.
Further improvement of the present invention is that spacer and several lower spacers distinguish one on several on clamping disk
One correspondence, improves the operating characteristics for clamping.
Further improvement of the present invention is that the angle of inclination of clamping disk is 110 ° to 130 °, facilitates processed product to fill
It is clipped on clamping disk, it is to avoid unnecessary collides with, protects heavy castings outward appearance to be processed not to be damaged.
Further improvement of the present invention is, the entirety of the global shape of spacer and each lower spacer on each
Shape is in respectively triangular form, improves the stability of its positioning.
Further improvement of the present invention is that clamping device is screw clamp clamp system, and simple structure clamps stroke
Greatly, and self-locking property is good, force increasing ratio is big, and stability is good.
Compared with prior art, the invention has the beneficial effects as follows：The fixture of the present invention, is provided with discoid prominent on pedestal
Platform, and the clamping disk of clamping processed product is connected to by rotating shaft；At the same time, the present invention, on the one hand on the top of clamping disk
Portion is provided with some upper spacers for positioning position of the processed product on clamping disk；On the other hand, in discoid convex
The upper fixation lower spacer corresponding with upper spacer, by several connectors pass through per a pair corresponding upper spacer and under
The connecting hole of spacer, realization is fixed on processed product on clamping disk.The advantage of the fixture is that some upper spacers are fixed
It is fixed towards processed products on clamping disk, rotates around the axis, just the processing orientation of rotatable processed product, realizes many
Orientation is processed, and without the need for repeating to clamp processed product, only need to rotate clamping disk, retightens upper and lower spacer, that is, realize treating
The machine direction of converted productss is rotated.The fixture avoids processed product due to multi-faceted processing, clamping is repeated several times and causes
Abrasion, and improve working (machining) efficiency, stability of rotation.And ensure that fixture bulk strength and rigidity, it is to avoid to be processed
Macrotype spherical foundry goods or other macrotype spherical parts produce shake knife phenomenon in working angles, improve workpiece machining surface light
Cleanliness and each accurate to dimension, improve the production and processing quality of product.
The fixture of the present invention, simple structure, low cost, the degree of stability for clamping are high, reduce because of touching that repeated clamping is produced
Hinder phenomenon, improve working (machining) efficiency, reduce the mismachining tolerance produced because of resetting, the processing quality of improving product.Ensure
Fixture bulk strength and rigidity, it is to avoid macrotype spherical foundry goods to be processed or other macrotype spherical parts are in working angles
It is middle to produce shake knife phenomenon, workpiece machining surface fineness and each accurate to dimension are improve, improve the production and processing of product
Quality.
Description of the drawings
Fig. 1 illustrates for the overall structure of one embodiment of many plane precision process fixtures of disc heavy castings porous
Figure；
Fig. 2 is the pedestal and the three dimensional structure diagram of lower spacer of the embodiment of Fig. 1；
Fig. 3 is the effect diagram of processed product on the embodiment clamping of Fig. 1.
Specific embodiment
In order to deepen the understanding of the present invention, with reference to the accompanying drawings and examples the present invention is further described, the enforcement
Example is only used for explaining the present invention, protection scope of the present invention is not constituted and is limited.
As shown in figures 1 and 3, many plane precision process fixtures of disc heavy castings porous, including being arranged on pedestal 4
Discoid convex 3, the top of discoid convex 3 is connected with clamping disk 2 by rotating shaft 7, and clamping disk 2 is obliquely connected to discoid
On convex 3；Some lower spacers 6 are provided between clamping disk 2 and discoid convex 3, and some lower spacers 6 regularly connect
It is connected on discoid convex 3, the top of clamping disk 2 is also associated with some upper spacers 1, some upper spacers 1 and some lower positioning
Piece 6 along the circumferential position arrangement of clamping disk 2, some corresponding companies is provided with each on spacer 1 and lower spacer 6 respectively
Hole 11 is connect, processed product 9 is solid through the connection of connecting hole 11 of upper spacer 1 and lower spacer 6 by several connectors 10
It is fixed；Nearby several clamping devices 5 are additionally provided with clamping disk 2 near rotating shaft 7.The fixture of the present invention, is provided with pedestal 4
Discoid convex 3, and the clamping disk 2 of clamping processed product 9 is connected to by rotating shaft 7；At the same time, the present invention, on the one hand
At the top of clamping disk 2 spacer 1 is provided with some for positioning position of the processed product 9 on clamping disk 2；The opposing party
Face, the fixation lower spacer 6 corresponding with upper spacer 1 on discoid convex 3 is passed through each by several connectors 10
To corresponding upper spacer 1 and the connecting hole 11 of lower spacer 6, realization is fixed on processed product 9 on clamping disk.The fixture
Advantage be that some upper spacers 1 are fixed on clamping disk 2 and 9 are fixed towards processed products, around the shaft 7 rotate, just can turn
The processing orientation of dynamic processed product 9, realizes multi-faceted processing, and without the need for repeating to clamp processed product 9, only need to rotate clamping
Disk 2, retightens upper and lower spacer, that is, the machine direction for realizing processed product 9 is rotated.Avoiding for the fixture is to be processed
Product 9 is repeated several times the abrasion that clamping is caused due to multi-faceted processing, and improves working (machining) efficiency, stability of rotation.And protect
Fixture bulk strength and rigidity are demonstrate,proved, it is to avoid macrotype spherical foundry goods to be processed or other macrotype spherical parts were cutting
Shake knife phenomenon is produced in journey, workpiece machining surface fineness and each accurate to dimension is improved, the production and processing of product is improve
Quality.
In the above-described embodiments, as shown in Figure 2, power source 13, power are additionally provided with inside the discoid convex 3 on pedestal 4
The connection rotating shaft 7 of source 13, and power source is provided for it, and then drive clamping disk 2 to rotate, and drive processed product 9 to rotate, carry
The high work efficiency of whole fixture, with more preferable intelligent effect.
In the above-described embodiments, also some fixed blocks 8 are provided with along the neighboring of clamping disk 2 on pedestal 4, each
Put on fixed block 8 and be provided with an alignment pin 81；A location hole is provided with clamping disk 2 at the position of each alignment pin 81 of correspondence
21, realize the further fastening to clamping disk 2, it is ensured that processed product 9 is adding man-hour, will not produce shake knife phenomenon, improves
The crudy of processed product.
In the above-described embodiments, each location hole 21 on clamping disk 2 is provided with U-type groove 22, enhances clamping disk 2
Fastening performance.
In the above-described embodiments, some suspension ring 12 are additionally provided with pedestal 4, facilitate stone tongs.
In the above-described embodiments, on clamping disk 2 spacer 1 and a pair of the difference of spacers 61 under several on several
Should, improve the operating characteristics for clamping.
In the above-described embodiments, the angle of inclination of clamping disk 2 is 110 ° to 130 °, preferably 120 degree, facilitates product to be processed
The clamping of product 9 is on clamping disk 2, it is to avoid unnecessary collides with, and protects heavy castings outward appearance to be processed not to be damaged.
In the above-described embodiments, the global shape of the global shape of spacer 1 and each lower spacer 6 divides on each
Not Cheng triangular form, improve its positioning stability.
In the above-described embodiments, clamping device 5 is screw clamp clamp system, and simple structure clamps stroke greatly, and self-locking
Performance is good, and force increasing ratio is big, and stability is good.
The fixture of the present invention, simple structure, low cost, the degree of stability for clamping are high, reduce because of touching that repeated clamping is produced
Hinder phenomenon, improve working (machining) efficiency, reduce the mismachining tolerance produced because of resetting, the processing quality of improving product.Ensure
Fixture bulk strength and rigidity, it is to avoid macrotype spherical foundry goods to be processed or other macrotype spherical parts are in working angles
It is middle to produce shake knife phenomenon, workpiece machining surface fineness and each accurate to dimension are improve, improve the production and processing of product
Quality.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, the ordinary skill people of this area
Member, easily according to above-described embodiment, understands the spirit of the present invention, and makes different amplifications and change, but as long as without departing from this
The spirit of invention, all within the scope of the present invention.
Claims (9)
1. many plane precision process fixtures of disc heavy castings porous, it is characterised in that：Including being arranged on pedestal（4）On circle
Plate-like convex（3）, the discoid convex（3）Top passes through rotating shaft（7）It is connected with clamping disk（2）, the clamping disk（2）Incline
Be connected to discoid convex（3）On；The clamping disk（2）With discoid convex（3）Between be provided with some lower spacers
（6）, and some lower spacers（6）It is fixedly attached to discoid convex（3）On, the clamping disk（2）Top also connects
It is connected to some upper spacers（1）, some upper spacers（1）With some lower spacers（6）Respectively along clamping disk（2）Circumference
Location arrangements, each described upper spacer（1）With lower spacer（6）On be provided with some corresponding connecting holes（11）, it is to be added
Chemical product（9）By several connectors（10）Through the upper spacer（1）With lower spacer（6）Connecting hole（11）Connection
It is fixed；
The clamping disk（2）Upper close rotating shaft（7）Nearby it is additionally provided with several clamping devices（5）.
2. many plane precision process fixtures of disc heavy castings porous according to claim 1, it is characterised in that：It is described
Pedestal（4）On discoid convex（3）Inside is additionally provided with power source（13）, the power source（13）Connection rotating shaft（7）, and be
It provides power source, and then drives clamping disk（2）Rotate, and drive processed product（9）Rotate.
3. many plane precision process fixtures of disc heavy castings porous according to claim 2, it is characterised in that：It is described
Pedestal（4）On also along clamping disk（2）Neighboring on be provided with some fixed blocks（8）, each described fixed block（8）On put
It is provided with an alignment pin（81）；The clamping disk（2）On correspond to each alignment pin（81）Position at be provided with a location hole
（21）.
4. many plane precision process fixtures of disc heavy castings porous according to claim 3, it is characterised in that：It is described
Clamping disk（2）On each location hole（21）It is provided with U-type groove（22）.
5. many plane precision process fixtures of disc heavy castings porous according to claim 3, it is characterised in that：It is described
Pedestal（4）On be additionally provided with some suspension ring（12）.
6. many plane precision process fixtures of disc heavy castings porous according to claim 4, it is characterised in that：It is described
Clamping disk（2）On several on spacer（1）With several lower spacers（6）Correspond respectively.
7. many plane precision process fixtures of disc heavy castings porous according to claim 1-6 any one, it is special
Levy and be：The clamping disk（2）Angle of inclination be 110 ° to 130 °.
8. many plane precision process fixtures of disc heavy castings porous according to claim 6, it is characterised in that：It is each
The individual upper spacer（1）Global shape and each described lower spacer（6）Global shape respectively be in triangular form.
9. many plane precision process fixtures of disc heavy castings porous according to claim 1, it is characterised in that：It is described
Clamping device（5）For screw clamping mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461207.3A CN104999295B (en) | 2015-07-31 | 2015-07-31 | Clamp for disc-shaped large casting multi-hole and multi-plane finish machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461207.3A CN104999295B (en) | 2015-07-31 | 2015-07-31 | Clamp for disc-shaped large casting multi-hole and multi-plane finish machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104999295A CN104999295A (en) | 2015-10-28 |
| CN104999295B true CN104999295B (en) | 2017-05-17 |
Family
ID=54372293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510461207.3A Active CN104999295B (en) | 2015-07-31 | 2015-07-31 | Clamp for disc-shaped large casting multi-hole and multi-plane finish machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104999295B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436517A (en) * | 2018-03-27 | 2018-08-24 | 安徽涌诚机械有限公司 | Large size bearing seat casting bearing hole finishing fixture |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH609273A5 (en) * | 1977-01-20 | 1979-02-28 | Fischer Ag Georg | |
| CN201329509Y (en) * | 2009-01-21 | 2009-10-21 | 莱州新忠耀机械有限公司 | Low temperature high ductility shock resistance pipeline bullet valve solid boring tooling |
| CN202592065U (en) * | 2012-04-04 | 2012-12-12 | 无锡欧易博阀业科技有限公司 | Clamping tool for machining side hole of ball valve body |
| CN203495615U (en) * | 2013-09-18 | 2014-03-26 | 浙江固特气动机械有限公司 | Dome valve half-spherical surface valve core machining combination fixture |
| CN204381859U (en) * | 2014-11-28 | 2015-06-10 | 浙江亚恩材料工程技术有限公司 | A kind of automobile-used ball for ball valve inner headed face frock clamp |
| CN204893452U (en) * | 2015-07-31 | 2015-12-23 | 安徽涌诚机械有限公司 | Porous many planes of disc large castings anchor clamps for finish machining |
-
2015
- 2015-07-31 CN CN201510461207.3A patent/CN104999295B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436517A (en) * | 2018-03-27 | 2018-08-24 | 安徽涌诚机械有限公司 | Large size bearing seat casting bearing hole finishing fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104999295A (en) | 2015-10-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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 invention: Fixture for multi hole and multi plane finish machining of large disc castings Effective date of registration: 20220715 Granted publication date: 20170517 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2022980010523 |
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| 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: 20230920 Granted publication date: 20170517 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2022980010523 |
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| 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: Clamping fixtures for precision machining of large circular castings with multiple porous planes Effective date of registration: 20231101 Granted publication date: 20170517 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2023980063611 |