CN104999306A - Fixture for finish machining of multiple holes and multiple planes of long and large casting - Google Patents
Fixture for finish machining of multiple holes and multiple planes of long and large casting Download PDFInfo
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- CN104999306A CN104999306A CN201510461576.2A CN201510461576A CN104999306A CN 104999306 A CN104999306 A CN 104999306A CN 201510461576 A CN201510461576 A CN 201510461576A CN 104999306 A CN104999306 A CN 104999306A
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- bearing pin
- heavy castings
- fixture
- plane precision
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- 238000005266 casting Methods 0.000 title claims abstract description 38
- 238000003754 machining Methods 0.000 title abstract description 7
- 230000008093 supporting effect Effects 0.000 claims abstract description 8
- 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 30
- 238000000034 method Methods 0.000 claims description 24
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000003351 stiffener Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002699 waste material Substances 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a fixture for finish machining of multiple holes and multiple planes of a long and large casting. An L-shaped base is adopted as a basic support for supporting a part to be machined and has a good supporting effect. On the basis, the fixture is further provided with a positioning bracket with at least six points, wherein the positioning bracket is composed of at least two top bracket bodies, at least two middle bracket bodies and at least two lower bracket bodies; thus, it is guaranteed that the part to be machined is stably supported. The key lies in that a linkage tensioning mechanism is further arranged between the top of the vertical portion and the horizontal portion of the L-shaped base. According to the structure principle of the linkage tensioning mechanism, the two ends are fixed, one end is stressed and the other end is tensioned. Locating pins are connected with horizontal brackets through chains, so that fastening preparation time before finish machining of the long and large casting is saved, the machining efficiency of the long and large casting is improved, the labor intensity of workers is relieved, and certain labor injuries are avoided.
Description
Technical field
The present invention relates to the local fine finishining of large parts, especially the finishing technology field, local of heavy castings, particularly relate to the many plane precision process fixtures of elongated heavy castings porous.
Background technology
Large parts, especially through the irregular heavy castings of elongated of cast form, need the fine finishining carrying out multiple or multiple installation site after the casting, to meet the requirements such as the functional and connectivity to its local of heavy castings, but it is especially more for curved surface, the heavy castings that surface configuration is comparatively complicated, it is in finishing passes, no matter be location, or the processing behind location, operation all needs many people cooperative cooperating simultaneously, and the processing of each face and each local, all to fix separately, make its processing duration longer, waste of manpower, adding man-hour, also there will be shake cutter phenomenon, affect the local size precision of heavy castings to be processed, serious meeting causes scraps, and the accuracy of location is also bad.And locate each time, may need different fixtures, cost is also relatively high.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides the many plane precision process fixtures of elongated heavy castings porous, its object is to realize large scale parts, especially the clamping of elongated heavy castings, reduce the casting cost of fixture, avoid heavy castings to produce in working angles and shake cutter phenomenon, be convenient to carry out multi-faceted multilevelly simultaneously to process to it, and reduce the trouble of resetting during spray clamping, accurately ensure that the uniformity of work pieces process benchmark and rough benchmark.
The technical solution adopted in the present invention is: the many plane precision process fixtures of elongated heavy castings porous, comprise with lower component:
L-type pedestal, provides and the supporting surface of part to be processed and tie point; Comprise the horizontal stiffener being located at its L-type horizontal part and projecting upwards, and be located at its L-type vertical portion and be connected raised vertical reinforcement to it in the other direction with part to be added;
At least six point location bearings, comprise and are located at least two top support on the L-type vertical portion of L-type pedestal and at least two intermediate supports, and be located at least two undersettings on the horizontal part of L-type pedestal; Each intermediate support comprises the vertical chute arranged, and is arranged in the some vertical connecting hole on vertical chute; Each top support is U-shaped support, and its U-shaped opening portion straight up;
Interlock tensioning mechanism, comprises the bearing pin connecting each top support, and is connected to the alignment pin extended to part to be processed on bearing pin and through the U-shaped opening portion of the top support of its correspondence; Several bearing pins are permanently connected together by a crossbeam axle; Interlock tensioning mechanism also comprises at least two horizontal seats of the horizontal component being arranged on L-type pedestal, and several tooth sectors be connected on crossbeam axle, also be connected with a chain between the bearing pin that each horizontal seat is corresponding with it, and each root chain horizontal seat link position place corresponding with it is also provided with screw rod.Fixture of the present invention, first, adopt L-type pedestal as the base support supporting part to be processed, and the horizontal part of L-type base supports and vertical portion be provided with respectively horizontal stiffener and vertically reinforcement it is strengthened, make it on the basis meeting intensity, there is good support effect; On this basis, this fixture is also provided with the minimum six point location bearings be made up of at least two top support and at least two intermediate supports, at least two undersettings, ensures that part to be processed has more stable support situation; Comparatively crucially, this fixture is also provided with interlock tensioning mechanism between the top of the vertical portion of L-type pedestal and horizontal part, the structural principle of this interlock tensioning mechanism is: two ends are fixed, one end is stressed, the other end is strained, so-called two ends are fixed, namely be that the alignment pin for part to be processed and L-type pedestal being fixed is set in top support, and the horizontal seat arranged at the horizontal part of L-type bearing arranges standing screw, realize lower end to fix, and easy installation and removal is quick, and the puller system etc. tightened up for using other has done sufficient preparation.In addition chain is adopted to be connected with horizontal seat by alignment pin, just the tension treated in the bottom of L-type pedestal between processing parts upper part and L-type pedestal upper part is realized, save and tighten up time before the fine finishining of elongated heavy castings, improve its working (machining) efficiency, and reduce hand labor intensity, avoid certain work injury.
Further improvement of the present invention is, is also provided with back-up block, realizes the support to whole interlock tensioning mechanism in the middle of crossbeam axle and each pinned connection position.
Further improvement of the present invention is, in crossbeam axle and each pinned connection position, and is also provided with U-shaped fixed sleeve near bearing pin place.Be the support to interlock tensioning mechanism on the one hand, play the effect of the support force strengthening bearing pin on the other hand, also alleviate the weight of whole interlock tensioning mechanism as best one can.
Further improvement of the present invention is, each screw rod inserts in the horizontal seat of its correspondence, realizes fixing, and easy installation and removal, for artificial or the whole link gear of machinery tension have done sufficient preparation, there is working method comparatively flexibly, meet the feature of ergonomic designs.
Further improvement of the present invention is, has at least one to be U-shaped hole in the some vertical connecting hole on the vertical chute of each intermediate support.Part to be processed is facilitated to adjust installation site up and down when mounted.
Further improvement of the present invention is, the vertical chute of each intermediate support is obliquely installed, and when conveniently installing, moves up and down part to be processed, has certain skewed horizontal load effect.
Further improvement of the present invention is, several top support are arranged in parallel, and several intermediate supports are arranged in parallel, and several undersettings are arranged in parallel, and convenient installation, manufacture, reduce the manufacturing cost of fixture.
Compared with prior art, the invention has the beneficial effects as follows:
1. adopt L-type pedestal as the base support supporting part to be processed, and the horizontal part of L-type base supports and vertical portion be provided with respectively horizontal stiffener and vertically reinforcement it is strengthened, make it on the basis meeting intensity, there is good support effect;
2. on this basis, this fixture is also provided with the minimum six point location bearings be made up of at least two top support and at least two intermediate supports, at least two undersettings, ensures that part to be processed has more stable support situation;
3. comparatively crucially, this fixture is also provided with interlock tensioning mechanism between the top of the vertical portion of L-type pedestal and horizontal part, the structural principle of this interlock tensioning mechanism is: two ends are fixed, one end is stressed, the other end is strained, so-called two ends are fixed, namely be that the alignment pin for part to be processed and L-type pedestal being fixed is set in top support, and the horizontal seat arranged at the horizontal part of L-type bearing arranges standing screw, realize lower end to fix, and easy installation and removal is quick, and the puller system etc. tightened up for using other has done sufficient preparation.In addition chain is adopted to be connected with horizontal seat by alignment pin, just the tension treated in the bottom of L-type pedestal between processing parts upper part and L-type pedestal upper part is realized, save and tighten up time before the fine finishining of elongated heavy castings, improve its working (machining) efficiency, and reduce hand labor intensity, avoid certain work injury.
The many plane precision process fixtures of elongated heavy castings porous of the present invention, achieve large scale parts, especially the clamping of elongated heavy castings, reduce the casting cost of fixture, avoid heavy castings in working angles, produce shake cutter phenomenon, be convenient to carry out multi-faceted multilevelly simultaneously to process to it, and the trouble of resetting when reducing spray clamping, accurately ensure that the uniformity of work pieces process benchmark and rough benchmark.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure schematic diagram of a side of an embodiment of the many plane precision process fixtures of elongated heavy castings porous;
Fig. 2 is the three-dimensional structure schematic diagram of another side of the embodiment of Fig. 1;
Fig. 3 is the effect schematic diagram after the embodiment clamping part to be processed of Fig. 1.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with drawings and Examples, the present invention is further described, and this embodiment, only for explaining the present invention, not forming protection scope of the present invention and limiting.
As shown in figures 1 and 3, the many plane precision process fixtures of elongated heavy castings porous, comprise with lower component:
L-type pedestal 1, provides and the supporting surface of part 3 to be processed and tie point; Comprise the horizontal stiffener 101 being located at its L-type horizontal part and projecting upwards, and be located at its L-type vertical portion and be connected raised vertical reinforcement 102 to it in the other direction with part 3 to be added;
At least six point location bearings 2, comprise and are located at least two top support 21 on the L-type vertical portion of L-type pedestal 1 and at least two intermediate supports 22, and be located at least two undersettings 23 on the horizontal part of L-type pedestal 1; Each intermediate support 22 comprises the vertical chute 221 arranged, and is arranged in the some vertical connecting hole 222 on vertical chute 221; Each top support 21 is U-shaped support, and its U-shaped opening portion straight up;
Interlock tensioning mechanism 3, comprises the bearing pin 10 connecting each top support 21, and is connected to the alignment pin 11 extended to part 3 to be processed on bearing pin 10 and through the U-shaped opening portion of the top support 21 of its correspondence; Several bearing pins 10 are permanently connected together by a crossbeam axle 6; Interlock tensioning mechanism 3 also comprises at least two horizontal seats 12 of the horizontal component being arranged on L-type pedestal 1, and several tooth sectors 4 be connected on crossbeam axle 6, also be connected with a chain 5 between the bearing pin 10 that each horizontal seat 12 is corresponding with it, and each root chain 5 horizontal seat 12 link position place corresponding with it is also provided with screw rod 7.Fixture of the present invention, first, adopt L-type pedestal 1 as the base support supporting part 3 to be processed, and the horizontal part supported at L-type pedestal 1 and vertical portion be provided with respectively horizontal stiffener 101 and vertically reinforcement 102 it is strengthened, make it on the basis meeting intensity, there is good support effect; On this basis, this fixture is also provided with the minimum six point location bearings 2 be made up of at least two top support 21 and at least two intermediate supports 22, at least two undersettings 23, ensures that part 3 to be processed has more stable support situation; Comparatively crucially, this fixture is also provided with the tensioning mechanism 3 that links between the top of the vertical portion of L-type pedestal 1 and horizontal part, the structural principle of this interlock tensioning mechanism is: two ends are fixed, one end is stressed, the other end is strained, so-called two ends are fixed, namely be that the alignment pin 11 for being fixed with L-type pedestal by part 3 to be processed is set in top support 21, and the horizontal seat 12 arranged at the horizontal part of L-type bearing arranges standing screw 7, realize lower end to fix, and easy installation and removal is quick, and the puller system etc. tightened up for using other has done sufficient preparation.In addition chain 5 is adopted to be connected with horizontal seat 12 by alignment pin 11, just the tension treated in the bottom of L-type pedestal between processing parts 3 upper part and L-type pedestal upper part is realized, save and tighten up time before the fine finishining of elongated heavy castings, improve its working (machining) efficiency, and reduce hand labor intensity, avoid certain work injury.
In the above-described embodiments, as shown in Figure 2, be also provided with back-up block 8 in the middle of crossbeam axle 6 and each bearing pin 10 link position, realize the support to whole interlock tensioning mechanism 3.
In the above-described embodiments, crossbeam axle 6 with each bearing pin 10 link position, and is also provided with U-shaped fixed sleeve 9 near bearing pin 10 place.Be the support to interlock tensioning mechanism 3 on the one hand, play the effect of the support force strengthening bearing pin 11 on the other hand, also alleviate the weight of whole interlock tensioning mechanism as best one can.
In the above-described embodiments, each screw rod 7 inserts in the horizontal seat 12 of its correspondence, realizes fixing, and easy installation and removal, for artificial or the whole link gear of machinery tension have done sufficient preparation, there is working method comparatively flexibly, meet the feature of ergonomic designs.
In the above-described embodiments, one is had at least to be U-shaped hole in the some vertical connecting hole 222 on the vertical chute 221 of each intermediate support 22.Part 3 to be processed is facilitated to adjust installation site up and down when mounted.
In the above-described embodiments, the vertical chute 221 of each intermediate support 22 is obliquely installed, and when conveniently installing, moves up and down part 3 to be processed, has certain skewed horizontal load effect.
In the above-described embodiments, several top support 21 are arranged in parallel, and several intermediate supports 22 are arranged in parallel, and several undersettings 23 are arranged in parallel, and convenient installation, manufacture, reduce the manufacturing cost of fixture.
In the above-described embodiments, foundry goods main body and part to be processed 3, adopt general frame reinforced grid design, auxiliary surface borehole, alleviates the deadweight of fixture, when fixture strength and stiffness are constant, reduces the development cost of fixture.Fixture uses 45# modified with the contact surface of product, and Quenching Treatment, strengthens wearability, improves service life.Therefore converted products height is at about 3M, and produce high-altitude clamping and compress inconvenient, ad hoc meter chain-type clamping device, improves the security of personnel's clamping greatly.Clamping device adopts screw clamping mechanism, screw, nut, bolt, and screw rod, forms with helical structure part and packing ring pressing plate, so self-locking performance is good, clamping great efforts, not easily loosen, and simple to operate.All accessories are the universal standard accessories of company, are conducive to the maintenance process simulation work of fixture.Make by designing fixture above, and carry out Product processing on lathe, reach the requirement of client's drawing by size quality every after laser scanning.Rapidly and efficiently complete the fine finishining of elongated heavy castings, the cost of whole processing is also relatively low.
The many plane precision process fixtures of elongated heavy castings porous of the present invention, achieve large scale parts, especially the clamping of elongated heavy castings, reduce the casting cost of fixture, avoid heavy castings in working angles, produce shake cutter phenomenon, be convenient to carry out multi-faceted multilevelly simultaneously to process to it, and the trouble of resetting when reducing spray clamping, accurately ensure that the uniformity of work pieces process benchmark and rough benchmark.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, those of ordinary skill in the art; very easily according to above-described embodiment, understand spirit of the present invention, and make different amplifications and change; but only otherwise depart from spirit of the present invention, all in protection scope of the present invention.
Claims (7)
1. the many plane precision process fixtures of elongated heavy castings porous, is characterized in that: comprise with lower component:
L-type pedestal (1), provides and the supporting surface of part to be processed (3) and tie point; Comprise the horizontal stiffener (101) being located at its L-type horizontal part and projecting upwards, and be located at its L-type vertical portion and be connected raised vertical reinforcement (102) to it in the other direction with part to be added (3);
At least six point location bearings (2), comprise at least two top support (21) on the L-type vertical portion being located at described L-type pedestal (1) and at least two intermediate supports (22), and be located at least two undersettings (23) on the horizontal part of described L-type pedestal (1); Intermediate support described in each (22) comprises the vertical chute (221) arranged, and is arranged in the some vertical connecting hole (222) on vertical chute (221); Top support described in each (21) is U-shaped support, and its U-shaped opening portion straight up;
Interlock tensioning mechanism (3), comprise the bearing pin (10) connecting each top support (21), and be connected to the alignment pin (11) extended to part to be processed (3) on bearing pin (10) and through the U-shaped opening portion of the top support (21) of its correspondence; Bearing pin described in several (10) is permanently connected together by a crossbeam axle (6); Described interlock tensioning mechanism (3) also comprises at least two horizontal seats (12) of the horizontal component being arranged on L-type pedestal (1), and several tooth sectors (4) be connected on described crossbeam axle (6), also be connected with a chain (5) between the bearing pin (10) that horizontal seat described in each (12) is corresponding with it, and horizontal seat (12) the link position place corresponding with it of chain (5) described in each root is also provided with screw rod (7).
2. the many plane precision process fixtures of elongated heavy castings porous according to claim 1, is characterized in that: be also provided with back-up block (8) in the middle of described crossbeam axle (6) and each bearing pin (10) link position.
3. the many plane precision process fixtures of elongated heavy castings porous according to claim 1 and 2, it is characterized in that: described crossbeam axle (6) with each bearing pin (10) link position, and is also provided with U-shaped fixed sleeve (9) near described bearing pin (10) place.
4. the many plane precision process fixtures of elongated heavy castings porous according to claim 1, is characterized in that: screw rod described in each (7) inserts in the horizontal seat (12) of its correspondence, realize fixing, and convenient disassembly.
5. the many plane precision process fixtures of elongated heavy castings porous according to claim 1, is characterized in that: have at least one to be U-shaped hole in the some vertical connecting hole (222) on the vertical chute (221) of intermediate support described in each (22).
6. many plane precision process fixtures of elongated heavy castings porous according to claim 1 or 5, is characterized in that: the vertical chute (221) of intermediate support described in each (22) is obliquely installed.
7. the many plane precision process fixtures of elongated heavy castings porous according to claim 1, it is characterized in that: top support described in several (21) is arranged in parallel, intermediate support described in several (22) is arranged in parallel, and undersetting described in several (23) is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461576.2A CN104999306B (en) | 2015-07-31 | 2015-07-31 | The many plane precision process fixtures of elongated heavy castings porous |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461576.2A CN104999306B (en) | 2015-07-31 | 2015-07-31 | The many plane precision process fixtures of elongated heavy castings porous |
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| Publication Number | Publication Date |
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| CN104999306A true CN104999306A (en) | 2015-10-28 |
| CN104999306B CN104999306B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510461576.2A Active CN104999306B (en) | 2015-07-31 | 2015-07-31 | The many plane precision process fixtures of elongated heavy castings porous |
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| CN (1) | CN104999306B (en) |
Cited By (3)
| 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 |
| CN113579312A (en) * | 2021-08-03 | 2021-11-02 | 天润工业技术股份有限公司 | Support drilling clamp |
| PL441323A1 (en) * | 2022-05-31 | 2023-12-04 | Expom Spółka Akcyjna | Subframe, especially for mounting on a machine tool table |
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| CN102218555A (en) * | 2011-05-25 | 2011-10-19 | 中铁电气化局集团有限公司 | Multistation numerical control drilling center of high-precision super-long work piece |
| CN102642144A (en) * | 2012-04-27 | 2012-08-22 | 天津市天锻压力机有限公司 | Combined clamping method for heavy structural parts |
| CN203527028U (en) * | 2013-09-02 | 2014-04-09 | 安徽涌诚机械有限公司 | Double-station integrated clamp for manufacturing industrial robot |
| DE202014006546U1 (en) * | 2014-08-14 | 2014-10-14 | Procon Gesmbh Maschinen- Und Industrieanlagen | Support and support bracket for vertically positioned metal sheets |
| CN204893488U (en) * | 2015-07-31 | 2015-12-23 | 安徽涌诚机械有限公司 | Porous many planes of elongated large castings anchor clamps for finish machining |
-
2015
- 2015-07-31 CN CN201510461576.2A patent/CN104999306B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201871968U (en) * | 2010-10-18 | 2011-06-22 | 天津市天锻压力机有限公司 | Processing clamp suitable for large-scale thin-plate workpieces |
| CN102218555A (en) * | 2011-05-25 | 2011-10-19 | 中铁电气化局集团有限公司 | Multistation numerical control drilling center of high-precision super-long work piece |
| CN102642144A (en) * | 2012-04-27 | 2012-08-22 | 天津市天锻压力机有限公司 | Combined clamping method for heavy structural parts |
| CN203527028U (en) * | 2013-09-02 | 2014-04-09 | 安徽涌诚机械有限公司 | Double-station integrated clamp for manufacturing industrial robot |
| DE202014006546U1 (en) * | 2014-08-14 | 2014-10-14 | Procon Gesmbh Maschinen- Und Industrieanlagen | Support and support bracket for vertically positioned metal sheets |
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Cited By (3)
| 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 |
| CN113579312A (en) * | 2021-08-03 | 2021-11-02 | 天润工业技术股份有限公司 | Support drilling clamp |
| PL441323A1 (en) * | 2022-05-31 | 2023-12-04 | Expom Spółka Akcyjna | Subframe, especially for mounting on a machine tool table |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104999306B (en) | 2017-03-29 |
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| 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 long large castings Effective date of registration: 20220715 Granted publication date: 20170329 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2022980010523 |
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Date of cancellation: 20230920 Granted publication date: 20170329 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2022980010523 |
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Denomination of invention: Fixture for precision machining of long and large castings with porous and multi plane surfaces Effective date of registration: 20231101 Granted publication date: 20170329 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2023980063611 |
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