CN106217086B - A kind of auxiliary device for processing engine blade - Google Patents
A kind of auxiliary device for processing engine blade Download PDFInfo
- Publication number
- CN106217086B CN106217086B CN201610825081.8A CN201610825081A CN106217086B CN 106217086 B CN106217086 B CN 106217086B CN 201610825081 A CN201610825081 A CN 201610825081A CN 106217086 B CN106217086 B CN 106217086B
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- China
- Prior art keywords
- shell
- ball bearing
- engine blade
- connecting shaft
- processing engine
- 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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- 238000012545 processing Methods 0.000 title claims abstract description 29
- 239000013013 elastic material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000003672 processing method 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
- 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
-
- 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
-
- 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
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to machinery manufacturing technology fields, and in particular to a kind of auxiliary device for processing engine blade.Technological datum is easily deformed when to solve processing engine blade existing in the prior art, the relatively low technical problem of the qualification rate of product, a kind of auxiliary device for processing engine blade, including connecting shaft, the fixing device for fixed connection shaft, anti-deviation device and clamping device for preventing connecting shaft center from deviating are provided；The fixing device, anti-deviation device, clamping device are sequentially connected；The connecting shaft is socketed with fixing device, anti-deviation device and clamping device respectively.The auxiliary device for processing engine blade of the present invention can be good at the mechanical processing suitable for blade of aviation engine, it realizes and achievees the effect that the double drives of five-axis machine tool with four axis lathes, prodigious processing cost is saved, common four axis lathe is effectively raised to the machining accuracy of Flexible Deforming Parts, solves engine blade problem on deformation.
Description
Technical field
The invention belongs to machinery manufacturing technology fields, and in particular to a kind of auxiliary device for processing engine blade.
Background technology
Blade of aviation engine is one of core component of engine, designs and processes extremely complex.The shape of the blade
Shape is three-dimensional space curved surface, size span is big.To meet wanting for engine high-performance, safe and reliable property and long-life
It asks, blade must also have accurate size, accurate shape and stringent surface integrity.But in current digital control processing work
The blade processed under process and process unit there are prodigious stress deformations can when being deformed for relatively thin blade
It can cause blade rejection.
The key reason that machining deformation described above occurs in blade processing is processing unit (plant) used in process
With processing method existing defects.Existing engine blade often uses Four-axis milling center, Four-axis milling in process
Center takes one end to clamp blade during blade processing, and other end holds out against the mode of blade, small and thin when encountering
Because axial force, technological datum are easily deformed when blade, therefore the qualification rate of product is relatively low, usually it is this when just use five axis into
Row processing, and the price of five shaft devices and the maintaining expense that uses are very high, it is difficult to meet the needs of processing.
Invention content
It is an object of the invention to solve above-mentioned the technical problems existing in the prior art, a kind of blade qualification rate is provided
Height, blade are not susceptible to the auxiliary device of the processing engine blade of deformation.
The purpose of the present invention is what is be achieved through the following technical solutions：
It is a kind of for processing the auxiliary device of engine blade, including connecting shaft, for fixed connection shaft fixing device,
Anti-deviation device and clamping device for preventing connecting shaft center from deviating；The fixing device, anti-deviation device, clamping device
It is sequentially connected；The connecting shaft is socketed with fixing device, anti-deviation device and clamping device respectively.
A further improvement is that the fixing device includes outer fixing piece, inner fixing member and fastener；The outer fixing piece
It is respectively loop configuration with the inner fixing member, the inner fixing member socket-connects with outer fixing piece, and the fastener is located at interior solid
Determine on part, the connecting shaft is socketed with inner fixing member, and the outer fixing piece is connected with anti-deviation device.
A further improvement is that the inner fixing member is made of elastic material, the fastener is located at inner fixing member
Outside.
A further improvement is that the anti-deviation device includes more than one bearing, clamp device and first shell；Institute
It is both ends open structure to state first shell；The center of circle of one above bearing is on same straight line；The outer fixing piece
It is connected with one end of first shell；The connecting shaft passes through from the center of circle of one above bearing and by the fastening
Device is connected with the other end of first shell.
A further improvement is that the clamp device is ring elastic parts, the inside of the connecting shaft and ring elastic parts
It socket-connects, the outside of the ring elastic parts and the other end of first shell are socketed.
A further improvement is that the clamping device includes clamp gripper and second shell；The second shell is both ends
Hatch frame, the clamp gripper are located on one end of second shell, and the other end of the second shell passes through ring elastic parts
Outside be connected with the other end of first shell.
A further improvement is that the clamp gripper include collet, spring clamping head knife handle, with spring clamping head knife handle phase
Matched knife handle nut；The collet, spring clamping head knife handle, the knife handle nut to match with spring clamping head knife handle, it is described
Knife handle nut and the spring clamping head knife handle are located on collet, and the collet is located on one end of second shell.
The advantageous effect of the present invention compared with the existing technology is：
The present invention is in such a way that revolution and clamping are combined, and the engine blade of processing is on the basis of strength live centre
On, clamping part of the invention can be rotated together with part, and connecting shaft of the invention is fixedly connected with tail centre seat, maximum limit
The guarantee part of degree reduces the interference from external force in process, and collet clamping part and tail centre seat interconnecting piece code insurance
Demonstrate,prove good concentric effect；The present invention passes through two types of different sizes by using two end face bearings and a ball bearing
Number end face bearing is clipped in the middle ball bearing, eliminates well between connecting shaft and tail centre seat coupling part cooperation circle
Gap；It is coaxial to achieve the effect that part rear and front end clamps, realizes the coaxial effect of double drives；The present invention's is used to process engine
The auxiliary device of blade can be good at the mechanical processing suitable for blade of aviation engine, realizes and reaches five with four axis lathes
The double effects driven of axis lathe, have saved prodigious processing cost.Common four axis lathe is effectively raised to Flexible Deforming Parts
Machining accuracy solves the problem on deformation that processing engine blade generates.
Description of the drawings
The overall schematic of the auxiliary device for processing engine blade of Fig. 1 present invention；
The cross-sectional view of the auxiliary device of the processing engine blade of Fig. 2 present invention；
The structural schematic diagram of the fixing device of Fig. 3 present invention；
Wherein, corresponding reference numeral is 1-ER knife handle nuts in attached drawing, 2-ER collets, 3- second shells, 4-
One hexagon socket cap head screw, 5- is top, 6-B type straight pins, 7- ring cowlings, the first deep groove ball bearings of 8-, 9- thrust ball bearings,
The second deep groove ball bearings of 10-, the first clamping elements of 11-, the second hexagon socket cap head screws of 12-, the second clamping elements of 13-, 14- spiral shells
Mother, 15- fixing devices, the outer fixing pieces of 16-, 17- inner fixing members, 18- ring elastic parts, 19- first shells.
Specific implementation mode
Below in conjunction with the drawings and examples technical solution that the present invention will be described in detail, technical scheme of the present invention is made clearly
Chu completely illustrates, so that those skilled in the art realize technical scheme of the present invention on the basis of the specification of the present invention,
It should be noted that the technical solution in following embodiment is only the preferred technical solution of the present invention, and the technical solution
Certain technical characteristics can be freely combined, new technical solution can be formed；Before the spirit for not departing from the present invention
It puts, any improvement and modification done to the present invention still fall within protection scope of the present invention.
Embodiment
It is as shown in Figs. 1-3, a kind of auxiliary device for processing engine blade, including connecting shaft, connect for fixed
The fixing device 15 of spindle, anti-deviation device and clamping device for preventing connecting shaft center from deviating；The fixing device 15,
Anti-deviation device, clamping device are sequentially connected；The connecting shaft respectively with fixing device 15, anti-deviation device and clamping device set
It connects.
As shown in Fig. 2, the connecting shaft is top 5, top 5 tail portion carries taper shank, and the taper shank is mounted on machine
In bed spindle taper hole or tailstock centre axial cone hole, the axis on the one end of engine blade axle center, realization pair are withstood with its forecone
The fixation of the axis holds out against fixed function to realize that the axis is realized while clamped；As another embodiment, top
The tip of point 5 need not be in contact with engine blade, and top 5 only need to play to engine blade axle center entirety on the whole
The fixed effect of position drives the shaft rotation on the one end of engine blade axle center dynamic i.e. by the numerical control collet on clamping device
Both ends can be achieved and clamp the effect that engine blade rotates coaxially.
A further improvement is that the fixing device 15 includes outer fixing piece 16, inner fixing member 17 and fastener；It is described outer
Fixing piece 16 and the inner fixing member 17 are respectively loop configuration, and the inner fixing member 17 socket-connects with outer fixing piece 16, described
Fastener is located on inner fixing member 17, and the connecting shaft is socketed with inner fixing member 17, the outer fixing piece 16 and anti-deviation device
It is connected.
A further improvement is that the inner fixing member 17 is made of elastic material, the fastener is located at inner fixing member
17 outside.
As shown in figure 3, the outer fixing piece 16 and inner fixing member 17 are loop configuration, the inner fixing member 17 and outer fixation
16 phase part of part connects, and inner fixing member 17 is made of the material that elastic material is made or can deform upon；The fastener includes
First clamping element 11, the second clamping element 13, the second hexagon socket cap head screw 12 and nut 14, first clamping element 11 and
Two clamping elements 13 are semicircular structure, and first clamping element, 11 and second clamping element 13 is sleeved on the outside of inner fixing member 17；The
The both ends of one clamping element 11 and the second clamping element 13 are detachably connected by the second hexagon socket cap head screw 12 and nut 14 respectively
It connects；In use, making the first clamping element 11 and the second clamping element 13 by tightening the second hexagon socket cap head screw 12 and nut 14
Inner fixing member 17 is clamped, so that inner fixing member 17 is deformed upon the middle section of clamping top 5, to make top 5 preliminary fixed bits
It sets.The outer fixing piece 16 of fixing device 15 is equipped with fixing bolt, and fixing device 15 passes through hexagonal cylindrical head spiral shell in three first
Nail 4 and three Type B straight pins 6 are closely detachably connected with first shell 19, it is preferable that the fixing device 15 and first shell
19 junction is equipped with ring cowling 7, ensures leakproofness, prevents dust from entering influence service life.
A further improvement is that the anti-deviation device includes more than one bearing, clamp device and first shell 19；
The first shell 19 is both ends open structure；The center of circle of one above bearing is on same straight line；It is described outer solid
Determine part 16 with one end of first shell 19 to be connected；The connecting shaft passes through and passes through from the center of circle of one above bearing
The clamp device is connected with the other end of first shell 19.
A further improvement is that the clamp device is ring elastic parts 18, the connecting shaft and ring elastic parts 18
Inside socket-connects, and the outside of the ring elastic parts 18 is socketed with the other end of first shell 19.
As shown in Fig. 2, the anti-deviation device includes three bearings, the first deep groove ball bearing 8, thrust ball bearing 9, second
Deep groove ball bearing 10 is successively set on the inner wall of first shell 19, first deep groove ball bearing 8, thrust ball bearing 9, second
The part corresponding on top 5 of deep groove ball bearing 10 is fitted close；First deep groove ball bearing 8, thrust ball bearing 9 and the second zanjon
Ball bearing 10 is according to class's shape connection as shown in Figure 1；First deep groove ball bearing 8, thrust ball bearing 9 and the second deep groove ball bearing
Center line where 10 center of circle coincides with the axle center of top 5 center line and engine blade, and top 5 front end passes through
One deep groove ball bearing 8, the tight fit of thrust ball bearing 9 and the second deep groove ball bearing 10 and fixing device 15 are among top 5
Partial fixation, top 5 tail portion taper shank are connected on lathe, to realize that top 5 position is accurately positioned, are using process
In will not shift, to realize the effect that rotates coaxially.The end face bearing handle that the present invention passes through two models of different sizes
Ball bearing is clipped in the middle, and plays the role of anti-offset well so that top 5 reach with the shaft core position of engine blade
Good coaxial effect.As shown in Figure 1, the clamp device is ring elastic parts 18, top 5 are sleeved in ring elastic parts 18,
Ring elastic parts 18 are sleeved in first shell 19.The position for further fixing top 5 prevents top 5 to be sent out during rotation
Raw position offset.
A further improvement is that the clamping device includes clamp gripper and second shell 3；The second shell 3 is two
End opening structure, the clamp gripper are located on one end of second shell 3, and the other end of the second shell 3 passes through annular elastomeric
The outside of property part 18 is connected with the other end of first shell 19.
A further improvement is that the clamp gripper include collet, spring clamping head knife handle, with spring clamping head knife handle phase
Matched knife handle nut；The collet, spring clamping head knife handle, the knife handle nut to match with spring clamping head knife handle, it is described
Knife handle nut and the spring clamping head knife handle are located on collet, and the collet is located on one end of second shell 3.
As shown in Fig. 2, second shell 3 and first shell 19 be connected with each other by ring elastic parts 18 it is integral；Preferably,
The ring elastic parts 18 are made of nylon material；Clamping device is used to clamp the axis of engine blade axle center one end, such as Fig. 1 institutes
Show, it includes collet and spring clamping head knife handle to clamp workpiece, it is preferable that collet is ER collets 2, and knife handle nut is
ER knife handle nuts 1, by clamp gripper by the axis clamping of engine blade, collet is located on one end of second shell 3.It adopts
With being used cooperatively for ER collets 2 and ER knife handle nuts 1, it can make what the axis of engine blade stablized to clamp.
In use, being clamped by clamp gripper at the axis to ring elastic parts 18 of engine blade one end, top 5 top top
The tight axis, top 5 tail portion taper shank are fixed in apex tailstock, at this point, the axle center of engine and top center are the same as always
On line, the other end of engine blade is connected on the numerical control collet of Four-axis milling center or Five-axis NC Machining Center, makes numerical control
The center of collet and the axle center of engine, top center on the same line, ensure coaxial effect, when numerical control collet starts
When rotation, the shaft core position at engine blade center starts to rotate；To realize that engine blade turns under the clamp position of both ends
It is dynamic, then blade is processed, to realize that both ends clamp, the effect rotated coaxially, to improve adding for engine blade
Working medium amount improves qualification rate, and engine blade service life reduces caused by avoiding engine blade deformation.
Technical scheme of the present invention can be preferably realized according to the record of description of the invention.
Claims (5)
1. a kind of auxiliary device for processing engine blade, which is characterized in that including connecting shaft, for fixed connection shaft
Fixing device, anti-deviation device and clamping device for preventing connecting shaft center from deviating；The fixing device, anti-offset dress
It sets, clamping device is sequentially connected；The connecting shaft is socketed with fixing device, anti-deviation device and clamping device respectively；It is described anti-
Offset assembly includes more than one bearing, clamp device and first shell；The first shell is both ends open structure；It is described
The center of circle of more than one bearing is on same straight line；The fixing device includes outer fixing piece, inner fixing member and fastener；
The outer fixing piece and the inner fixing member are respectively loop configuration, and the inner fixing member socket-connects with outer fixing piece, described tight
Firmware is located on inner fixing member, and the connecting shaft is socketed with inner fixing member, and the outer fixing piece is connected with anti-deviation device；Institute
Outer fixing piece is stated with one end of first shell to be connected；The connecting shaft passes through and leads to from the center of circle of one above bearing
The clamp device is crossed with the other end of first shell to be connected；One above bearing include the first deep groove ball bearing,
Thrust ball bearing and the second deep groove ball bearing；First deep groove ball bearing, thrust ball bearing and the second deep groove ball bearing are successively
Connection；In use, center line where the center of circle of the first deep groove ball bearing, thrust ball bearing and the second deep groove ball bearing with it is top
Center line and the axle center of engine blade coincide；The big ting model of first deep groove ball bearing and the second deep groove ball bearing
It is different.
2. the auxiliary device according to claim 1 for processing engine blade, which is characterized in that the inner fixing member
It is made of elastic material, the fastener is located at the outside of inner fixing member.
3. the auxiliary device according to claim 2 for processing engine blade, which is characterized in that the clamp device
For ring elastic parts, socket-connect on the inside of the connecting shaft and ring elastic parts, the outside of the ring elastic parts and first shell
The other end of body is socketed.
4. the auxiliary device according to claim 3 for processing engine blade, which is characterized in that the clamping device
Including clamp gripper and second shell；The second shell is both ends open structure, and the clamp gripper is located at second shell
On one end, the other end of the second shell is connected by the outside of ring elastic parts with the other end of first shell.
5. the auxiliary device according to claim 4 for processing engine blade, which is characterized in that the clamp gripper
Including collet, spring clamping head knife handle, the knife handle nut to match with spring clamping head knife handle；The knife handle nut and the bullet
Spring collet handle of a knife is located on collet, and the collet is located on one end of second shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825081.8A CN106217086B (en) | 2016-09-14 | 2016-09-14 | A kind of auxiliary device for processing engine blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825081.8A CN106217086B (en) | 2016-09-14 | 2016-09-14 | A kind of auxiliary device for processing engine blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106217086A CN106217086A (en) | 2016-12-14 |
| CN106217086B true CN106217086B (en) | 2018-08-07 |
Family
ID=58075577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610825081.8A Active CN106217086B (en) | 2016-09-14 | 2016-09-14 | A kind of auxiliary device for processing engine blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106217086B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111890093B (en) * | 2020-07-22 | 2021-12-10 | 北京铁科首钢轨道技术股份有限公司 | Tool for machining cylindrical surface profile steel support to longitudinally swing upwards |
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|---|---|---|---|---|
| DE20314255U1 (en) * | 2003-09-13 | 2003-11-06 | Isad Electronic Sys Gmbh & Co | Rapid clamping chuck for spinning thin workpieces has a threaded fastener with two interacting tapering thrust sleeves to grip the inside of the mounting aperture of the workpiece |
| CN201724838U (en) * | 2010-06-12 | 2011-01-26 | 中国地质大学（武汉） | Faucet device of laboratory rock sample drilling machine |
| CN102655969A (en) * | 2009-09-18 | 2012-09-05 | 罗姆股份有限公司 | Collet chuck |
| CN104476338A (en) * | 2014-11-18 | 2015-04-01 | 宁波美德机器人有限公司 | Convenient floating clamp |
| CN204262460U (en) * | 2014-12-02 | 2015-04-15 | 杭州成功超声设备有限公司 | A kind of Ultrasonic Milling device |
| CN104647205A (en) * | 2014-12-24 | 2015-05-27 | 宁波沃特美逊机器人科技有限公司 | Friction-type automatic clamping head |
| CN206010501U (en) * | 2016-09-14 | 2017-03-15 | 何世华 | A kind of servicing unit for processing engine blade |
-
2016
- 2016-09-14 CN CN201610825081.8A patent/CN106217086B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20314255U1 (en) * | 2003-09-13 | 2003-11-06 | Isad Electronic Sys Gmbh & Co | Rapid clamping chuck for spinning thin workpieces has a threaded fastener with two interacting tapering thrust sleeves to grip the inside of the mounting aperture of the workpiece |
| CN102655969A (en) * | 2009-09-18 | 2012-09-05 | 罗姆股份有限公司 | Collet chuck |
| CN201724838U (en) * | 2010-06-12 | 2011-01-26 | 中国地质大学（武汉） | Faucet device of laboratory rock sample drilling machine |
| CN104476338A (en) * | 2014-11-18 | 2015-04-01 | 宁波美德机器人有限公司 | Convenient floating clamp |
| CN204262460U (en) * | 2014-12-02 | 2015-04-15 | 杭州成功超声设备有限公司 | A kind of Ultrasonic Milling device |
| CN104647205A (en) * | 2014-12-24 | 2015-05-27 | 宁波沃特美逊机器人科技有限公司 | Friction-type automatic clamping head |
| CN206010501U (en) * | 2016-09-14 | 2017-03-15 | 何世华 | A kind of servicing unit for processing engine blade |
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| Publication number | Publication date |
|---|---|
| CN106217086A (en) | 2016-12-14 |
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Effective date of registration: 20180816 Address after: 610000 D, 17 floor, 1 building, 388 Shuang Lin Road, Chenghua District, Chengdu, Sichuan. Patentee after: Sichuan navigation and printing machinery manufacturing Co., Ltd. Address before: 610000 30, 152 South four street, Shuangqiao Road, Chenghua District, Chengdu, Sichuan. Patentee before: He Shihua |
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