CN110480042A - Collet jig and set of jaws comprising the collet jig - Google Patents
Collet jig and set of jaws comprising the collet jig Download PDFInfo
- Publication number
- CN110480042A CN110480042A CN201810456055.1A CN201810456055A CN110480042A CN 110480042 A CN110480042 A CN 110480042A CN 201810456055 A CN201810456055 A CN 201810456055A CN 110480042 A CN110480042 A CN 110480042A
- Authority
- CN
- China
- Prior art keywords
- clamping
- collet
- axis
- fixture block
- jig
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/1627—Details of the jaws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention provides a kind of collet jig and the set of jaws comprising the collet jig, collet jig, which has, to be installed on the fixture block of clamping jaw for correspondence and is connected to the bindiny mechanism of a plurality of fixture blocks, fixture block circularizes around a clamping axis arrangement and has the clamping face towards clamping axis, bindiny mechanism has elasticity, fixture block is pushed against can by clamping jaw to move, by clamping inward-facing clamping workpiece, the different collet jig of replaceable uses when using, to obtain different clamping radiuses between clamping face and clamping axis, and it adapts to be processed in a variety of various sizes of workpiece of clamping, exempt the process for repeating dismounting clamping jaw and positioning correcting being carried out to clamping jaw, processing operation elasticity with higher.
Description
Technical field
The present invention relates to a kind of collet jigs, can be suitably used for the collet of lathe or similar processing equipment.
Background technique
Lathe dog is used for clamping workpiece, drives workpiece to rotate together with when collet rotation, to carry out lathe process,
In, in order to obtain biggish gripping strength in lathe dog, existing lathe dog largely imports oil pressure times Force system.
Referring to FIG. 1, existing lathe dog 11 is mainly the slide 14 that clamping jaw 13 is installed on to lower section by screw 12,
Lathe dog 11 has oil pressure times Force system, and slide 14 can be driven mobile, move clamping jaw 13 together therewith, and then can inwardly move
It moves with clamping workpiece or is displaced outwardly to loosen workpiece, although having folder however, oil hydraulic system can provide higher chucking power
The shorter problem of 13 shift motion of pawl, slide 14 is only capable of moving in the range of several millimeters, when the difference for having size difference slightly larger
When workpiece needs to process, on-site personnel needs to unload clamping jaw 13 from slide 14, as shown in Fig. 2, changing the position of clamping jaw 13
It postpones and slide 14 is fixed in the assembling of clamping jaw 13 again again, while the position to three clamping jaws 13 also being needed to be accurately positioned,
To ensure that the Clamping Center of clamping jaw 13 and the rotation center of collet 11 are concentric, machining accuracy is maintained；Due to replacing different processing works
When part, repeated removal and group clamping pawl 13 is needed, and positioning and cent(e)ring are carried out to clamping jaw, cause the inconvenience of processing operation.
In addition, the past during correcting clamping jaw, often with the inner end clamping face of the direct turning clamping jaw of inner diameter lathe tool, with true
The center that guarantor's clamping jaw inwardly clamps and the rotation center of collet are concentric, reach the cent(e)ring of clamping jaw, however, in repeated removal tune
Whole jaw position and after carrying out multiple cent(e)ring, can make because the inner end clamping face of turning clamping jaw is repeated the size of clamping jaw by
Gradual change is small, so that needing replacing new clamping jaw.
Summary of the invention
One of them of the invention are designed to provide a kind of set of jaws for being applicable to lathe, can be compatible to oil pressure times power
System, and inconvenience when replacing different dimension workpieces can be reduced.
Another of the invention is designed to provide a kind of set of jaws for being applicable to lathe, can be when replacing workpiece size
Concentric locating correction is rapidly completed, avoids turning clamping jaw inner end clamping surface and clamping jaw is lost.
In order to reach above-mentioned and other purposes, the present invention provides a kind of collet jig, it is characterized in that comprising:
A plurality of fixture blocks, a plurality of fixture blocks are around a clamping axis arrangement, and respectively the fixture block is with one close to the clamping axis
Clamping face, respectively the fixture block has a fixed part；
Bindiny mechanism, connects a plurality of fixture blocks, the bindiny mechanism there is elasticity and enable a plurality of fixture block stress to
The clamping axis is drawn close and can elastic reset.
The collet jig, in which: the bindiny mechanism includes a plurality of elastic pieces, is had wherein between every two adjacent fixture block
One elastic piece connects therebetween, which has elasticity and a plurality of fixture block stress is enable to draw close simultaneously energy to the clamping axis
Elastic reset.
The collet jig, in which: respectively the clamping face is tubulose cambered surface.
The collet jig, in which: respectively the cambered surface central axis of the clamping face is with the clamping overlapping of axles or positioned at the respectively folder
It holds between face and the clamping axis.
The collet jig, in which: the respectively clamping face of the fixture block and the fixed part arranged radially.
The collet jig, in which: respectively the fixed position is in respectively side of the fixture block far from the clamping axis, and respectively this is fixed
Portion has a fixing groove being radially recessed towards the clamping axis.
The collet jig, in which: the width of the fixing groove is gradually wealthy towards one end along the axial direction of clamping axis.
In order to reach above-mentioned and other purposes, it to include aforementioned collet jig, feature that the present invention also provides a kind of set of jaws
It is also to include:
A plurality of clamping jaws, for being assembled in a collet, which arranges around a rotary shaft, which respectively should
Fixed part is removably installed in a wherein clamping jaw.
The set of jaws, in which: include a plurality of aforementioned collet jigs, extremely should with the clamping face of the respectively collet jig
The distance for clamping axis is a clamping radius, and the clamping radius of a plurality of collet jigs is different from each other.
The set of jaws, in which: one of the fixed part of the collet jig and a plurality of clamping jaws have locating slot,
Wherein it is another have locating piece, the locating piece by elastic component against and can elasticity shrink back, respectively the fixed part be installed on wherein one folder
The locating piece clip is mutually located the fixed part with the clamping jaw in the locating slot when pawl.
In this way, collet jig provided by the invention is with set of jaws for the use of in the folder of lathe or similar processing equipment
Set of jaws is installed on collet, and workpiece is placed between clamping face by head, and clamping jaw pushing and pressing collet jig can be driven by collet
Fixture block, with clamping face clamping workpiece.When replacing various sizes of workpiece, it is only necessary to change the collet jig of another size
Corresponding workpiece is clamped, without repeated removal group clamping pawl, positioning correcting need not be also carried out to clamping jaw, and can quick-replaceable clamping
The size of workpiece has splendid processing operation elasticity, while exempting the problem of positioning correcting causes clamping jaw to be lost, and has good
Use function.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing lathe dog.
Fig. 2 is another schematic diagram of existing lathe dog.
Fig. 3 is the perspective view of set of jaws of the present invention.
Fig. 4 is the Three-dimensional combination diagram of set of jaws of the present invention.
Fig. 5 is the plane combination schematic diagram of set of jaws of the present invention.
Fig. 6 is the partial sectional view of Fig. 5.
Fig. 7 is the perspective view of another size set of jaws of the present invention.
Fig. 8 is the Three-dimensional combination diagram of another size set of jaws of the present invention.
Fig. 9 is the plane combination schematic diagram of another size set of jaws of the present invention.
Figure 10 is the perspective view of another embodiment of the present invention set of jaws.
Figure 11 is the Three-dimensional combination diagram of another embodiment of the present invention set of jaws.
Description of symbols: (prior art) lathe dog 11；Screw 12；Clamping jaw 13；Slide 14；(present invention) rotary shaft
r；Clamp axis y；Clamping jaw 21,22,23；Locating piece 211,221,231；Elastic component 212；Positioning column 213,223,233；Fixture block 31,
32,33；Clamping face 311,321,331；Clamping face 311 ', 321 ', 331 '；Fixed part 312,322,332；Fixing groove 313,323,
333；Locating slot 314,324,334；Through hole 315,325,335；Elastic piece 41,42,43；Collet 90；Workpiece 91；Workpiece 92.
Specific embodiment
Below only lift specific embodiment to illustrate technology contents of the invention, precisely because in each element shape, size and phase
To relationship under the premise of the function of not reached with the present invention is conflicting, there is usual knowledge in the technical field of the invention
Person should can modify variation, to be adapted to respectively different specifically used situations.
Referring to FIG. 3, including several clamping jaws 21,22,23 and a collet jig the present embodiment provides in a kind of set of jaws.
21,22,23 system of clamping jaw can drive clamping jaw 21,22,23 by collet 90 for being installed on the collet 90 of such as hydraulic type
Mobile, collet 90 has a rotary shaft r, and clamping jaw 21,22,23 is arranged around rotary shaft r, when collet 90 is rotated around rotary shaft r, folder
Pawl 21,22,23 rotates together with collet 90, quantity be intended to using 90 form of collet cooperate, the common clamping jaw quantity used,
Such as the present embodiment show three, however a possibility that be also not excluded for using two, four or other quantity clamping jaw.The respectively folder
Pawl 21,22,23 has locating piece 211,221,231, and locating piece 211,221,231 protrudes from folder along the circumferencial direction of rotary shaft r
In addition the both side surface of pawl 21,22,23, locating piece 211,221,231 are pushed against by elastic component, make locating piece 211,221,231
It can shrink back into clamping jaw 21,22,23 and can elastic reset.
Collet jig system for being installed on the clamping jaw 21,22,23 of set of jaws, collet jig include several fixture blocks 31,32,33 with
Bindiny mechanism.
The quantity of fixture block 31,32,33 is corresponding to the quantity of clamping jaw 21,22,23, which surrounds one
Clamping axis y arrangement circularizes, and each fixture block 31,32,33 has a clamping face 311,321,331 close and towards clamping axis y, respectively
The cambered surface in a tubular form of clamping face 311,321,331, and be slightly less than for radian the cambered surface of one third circle, with clamping face 311,321,
331 to clamping axis y distance is clamping radius, and the cambered surface radius of each clamping face 311,321,331 is equal to or slightly less than clamping half
Diameter, that is, the cambered surface central axis of each clamping face 311,321,331 with clamping axis y is overlapped or be located at clamping face 311,321,331 and
It clamps between axis y, the fixed part 312,322,332 that each fixture block 31,32,33 separately deviates from clamping axis y with one, fixed part 312,
322,332 with 311,321,331 arranged radially of clamping face, each fixed part 312,322,332 have towards clamping axis y it is radially recessed
The fixing groove 313,323,333 entered, fixing groove 313,323,333 are in respectively to open in rear and front end to extension along clamping axis y-axis
Shape is put, precisely because the wherein closed at one end of fixing groove 313,323,333 is nor affected on into the use of the present embodiment collet jig in if
Function.Fixed part 312,322,332 separately has locating slot 314,324,334, circle of the locating slot 314,324,334 along clamping axis y
The recessed two sides in fixing groove 313,323,333 of circumferential direction.
Bindiny mechanism includes several elastic pieces 41,42,43, the quantity of elastic piece 41,42,43 and the number of fixture block 31,32,33
Amount is corresponding, and elastic piece 41,42,43 and fixture block 31,32,33 arrange together and circularize and be connected between fixture block adjacent two-by-two,
Making to have between every two adjacent fixture blocks wherein elastic piece connection, therebetween, elastic piece 41,42,43 is flaky and is directed away from
Clamp axis y flexure and there is elasticity, fixture block 31,32,33 is made to link into an integrated entity with elastic piece 41,42,43, and in fixture block 31,32,
It can radially be drawn close to clamping axis y when 33 stress or separate, and energy elastic reset, there is radial direction 1.5mm to 3mm or 1.5mm to 5mm
Resilient movement ability.
The metal that fixture block 31,32,33 and elastic piece 41,42,43 in the present embodiment are integrally formed, however, it is also possible to
Reused after fixture block is made respectively with elastic piece welding, welding, bonding, chimeric, riveted, with another screw tightening it is sealed or its
Fixture block is connect by the technology that he connects two components with elastic piece, or, first make fixture block 31,32,33, then with mould model or
The elastic sheetmolding of metal or plastic cement is fixed on fixture block 31,32,33 by the technology of ejection formation, and also belonging to may.
Bindiny mechanism in the present embodiment includes several elastic pieces 41,42,43, however, in other possible realities of the invention
It applies in example, it is also possible to bindiny mechanism be made to the component or solid memder being integrated, for example, patty or annular, from fixture block
31, the axial direction that 32,33 lateral edge is parallel to clamping axis y is connected to fixture block 31,32,33, and provide each fixture block 31,32,
33 can the mobile ability of radial elastic.
It holds above-mentioned, please refers to Fig. 3 to Fig. 5, the rotary shaft r of the clamping axis y of collet jig and collet 90 can be aligned to together
Collet jig is axially pushed between each clamping jaw 21,22,23 along clamping axis y, collet jig is installed on each clamping jaw by axis
21,22,23 and be combined into set of jaws, since 313,323,333 rear and front end of fixing groove is open shape, clamping jaw 21,22,23 can be straight
It taps into fixing groove 313,323,333, and 211,221,231 clip of locating piece makes fixed part in locating slot 314,324,334
312, it 322,332 is removably installed in clamping jaw 21,22,23 and is mutually located.It is then intended to the workpiece of processing again along clamping axis y
It is placed between clamping face 311,321,331, operation collet 90 makes the inside clamping of clamping jaw 21,22,23, and clamping jaw 21,22,23 is i.e. inside
Fixed part 312,322,332 is pushed against, fixture block 31,32,33 is drawn close to clamping axis y, compresses and press from both sides with clamping face 311,321,331
Hold workpiece 91, can further progress processing, wherein 91 size of workpiece of tolerable clamping should be slightly less than the clamping of collet jig
Radius, preferably, the external form radius of workpiece 91 can be just equal with the cambered surface radius of clamping face 311,321,331, as shown in Figure 5.
After processing is completed, can operate collet 90 makes clamping jaw 21,22,23 be flared out reset to workpiece 91, and fixture block 31,32,33 is positioned
The elastic piece 41,42,43 of the clip positioning action and bindiny mechanism of block 211,221,231 and locating slot 314,324,334
Resilient force and reset, workpiece 91 can be taken out.
Fig. 5 and Fig. 6 are please referred to, the locating piece 211 of clamping jaw 21 is pushed against by elastic component 212, and fixed part 312 is installed on clamping jaw 21
When, 211 clip of locating piece is in locating slot 314 to assist the positioning of fixed part 312, the width and folder of 312 fixing groove 313 of fixed part
The width of pawl 21 is gradually wealthy towards one end close to collet 90 along the axial direction for being parallel to clamping axis y, makes fixed part 312 and clamping jaw
21 surfaces to contact with each other have taper, it helps fixed part 312 positions.
When complete the process and be intended to replace another various sizes of workpiece processed when, can be taken out along clamping axis y opposite direction
Collet jig installs another collet jig then at clamping jaw 21,22,23, please refers to Fig. 7 to Fig. 9, and another collet jig has similar
Structure, the only cambered surface radius of clamping face 311 ', 321 ', 331 ' therein and clamping face 311 ', 321 ', 331 ' to clamping axis
Clamping radius between y is smaller, be installed on after clamping jaw 21,22,23 can the lesser workpiece 92 of clamping dimension to be processed.
In addition to the above embodiments, if in order to be adapted to other different workpiece external forms, and the shape that clamping face will be changed,
The overall appearance in the space for surrounding clamping face is changed to other geometries, such as quadrangle cylinder or hexagonal cylinder person, also belongs to
It is feasible.
In addition, locating piece 211,221,231 and 314,324,334 system of locating slot are used for clamping jaw 21,22,23 and fixture block
31, it 32,33 is mutually located, if changing and locating slot being set to clamping jaw and by locating piece the location swap of locating piece and locating slot
It is set to fixture block, also without can not.
Figure 10 and Figure 11 are please referred to, in an alternative embodiment of the invention, the structure of collet jig and clamping jaw is substantially similar to
Aforementioned embodiment shown in Fig. 3, precisely because the fixed part of the fixture block 31,32,33 of middle collet jig includes being parallel to clamping axis y to extend
Through hole 315,325,335, and in clamping jaw 21,22,23 have positioning column 213,223,233, still can be detachable by fixed part
Ground is installed on clamping jaw 21,22,23, and is leaned on from the fixture block 31,32,33 that clamping jaw 21,22,23 pushes against collet jig to clamping axis y
Hold together, there is using effect similar with previous embodiment.
Using above-mentioned apparatus, set of jaws described in the present embodiment can be with the use of in the folder of lathe or similar processing equipment
Head is used for clamping workpiece or other objects, wherein can provide multiple groups collet jig, is needed with meeting the processing of different workpieces size
It asks, when needing replacing various sizes of workpiece, it is only necessary to dismantle mounted collet jig, and another folder of correspondingly-sized is installed
Head jig, can clamping workpiece, without dismantling and assemble multiple clamping jaws respectively, and there is convenient installation procedure.
Secondly, the set of jaws of the present embodiment is when replacing workpiece size, it is only necessary to which different collet jigs is installed in replacement, is not torn open
Unload clamping jaw and clamping jaw need not be positioned, respectively keep the consistency of thickness of fixture block in each collet jig, no matter workpiece size
And how collet jig is replaced, and piece-holder can be kept in the center of collet rotary shaft, it is simultaneous convenient for maintaining the concentricity of processing
Tool exempts to position and be easy to the characteristics of maintaining machining accuracy.
Summarize described above, the set of jaws of above-described embodiment and collet jig therein, which can provide, to be easily installed and correction
Process is greatly reduced in feature, when Yu Genghuan workpiece size, and can exempt repeated removal clamping jaw, maintains machining accuracy.
Claims (10)
1. a kind of collet jig, it is characterized in that comprising:
A plurality of fixture blocks, a plurality of fixture blocks are around a clamping axis arrangement, and respectively the fixture block has a clamping close to the clamping axis
Face, respectively the fixture block has a fixed part；
Bindiny mechanism, connects a plurality of fixture blocks, which has elasticity and enable a plurality of fixture block stress to the folder
It holds axis and draws close simultaneously energy elastic reset.
2. collet jig according to claim 1, it is characterised in that: the bindiny mechanism include a plurality of elastic pieces, every two
There is wherein elastic piece connection between adjacent fixture block therebetween, which has elasticity and enable a plurality of fixture block stress
Drawing close to the clamping axis simultaneously can elastic reset.
3. collet jig according to claim 1, it is characterised in that: respectively the clamping face is tubulose cambered surface.
4. collet jig according to claim 3, it is characterised in that: respectively the cambered surface central axis of the clamping face and the clamping axis
It is overlapped or is located at respectively between the clamping face and the clamping axis.
5. collet jig according to claim 1, it is characterised in that: respectively the clamping face of the fixture block and the fixed part are radial
Arrangement.
6. collet jig according to claim 1, it is characterised in that: respectively the fixed position is in the respectively fixture block far from the clamping
The side of axis, respectively the fixed part has a fixing groove being radially recessed towards the clamping axis.
7. collet jig according to claim 6, it is characterised in that: axial direction of the width of the fixing groove along clamping axis
It is gradually wealthy towards one end.
8. a kind of set of jaws, comprising the collet jig as described in any one of claims 1 to 7, it is characterized in that also including:
A plurality of clamping jaws, for being assembled in a collet, which arranges around a rotary shaft, the collet jig respectively this fix
Portion is removably installed in a wherein clamping jaw.
9. set of jaws according to claim 8, it is characterised in that: comprising a plurality of such as any one of claims 1 to 7 institute
The collet jig stated is a clamping radius, a plurality of collets with the distance of clamping face of the respectively collet jig to the clamping axis
The clamping radius of jig is different from each other.
10. set of jaws according to claim 8, it is characterised in that: the fixed part of the collet jig and a plurality of clamping jaws
One of them has locating slot, has a locating piece wherein another, and the locating piece by elastic component against can elasticity shrink back, respectively this is solid
Determining locating piece clip when portion is installed on a wherein clamping jaw is mutually located the fixed part with the clamping jaw in the locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456055.1A CN110480042A (en) | 2018-05-14 | 2018-05-14 | Collet jig and set of jaws comprising the collet jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456055.1A CN110480042A (en) | 2018-05-14 | 2018-05-14 | Collet jig and set of jaws comprising the collet jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110480042A true CN110480042A (en) | 2019-11-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810456055.1A Withdrawn CN110480042A (en) | 2018-05-14 | 2018-05-14 | Collet jig and set of jaws comprising the collet jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110480042A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202185604U (en) * | 2011-06-09 | 2012-04-11 | 湖北三江航天万峰科技发展有限公司 | Deformation-preventive self-adaptation clamping device for precision processing of thin-walled sleeves |
| US20130270778A1 (en) * | 2012-04-16 | 2013-10-17 | Chieh-Yuan Chen | Clamping device for a cutting tool assembling and disassembling apparatus |
| CN104801735A (en) * | 2014-01-29 | 2015-07-29 | 钜升精机股份有限公司 | Elastic chuck |
| CN205237107U (en) * | 2015-12-24 | 2016-05-18 | 浙江立足机械有限公司 | Thin wall product presss from both sides tight structure |
| CN205949885U (en) * | 2016-08-16 | 2017-02-15 | 山西北方机械制造有限责任公司 | A clamping device for growing section of thick bamboo thin wall part |
| CN205968360U (en) * | 2016-08-08 | 2017-02-22 | 洛阳轴研科技股份有限公司 | Transition disc that horizontal lathe clamping thin wall bearing lasso was used |
| CN206717059U (en) * | 2017-03-31 | 2017-12-08 | 山东省科学院激光研究所 | Soft claw assembly and chuck |
-
2018
- 2018-05-14 CN CN201810456055.1A patent/CN110480042A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202185604U (en) * | 2011-06-09 | 2012-04-11 | 湖北三江航天万峰科技发展有限公司 | Deformation-preventive self-adaptation clamping device for precision processing of thin-walled sleeves |
| US20130270778A1 (en) * | 2012-04-16 | 2013-10-17 | Chieh-Yuan Chen | Clamping device for a cutting tool assembling and disassembling apparatus |
| CN104801735A (en) * | 2014-01-29 | 2015-07-29 | 钜升精机股份有限公司 | Elastic chuck |
| CN205237107U (en) * | 2015-12-24 | 2016-05-18 | 浙江立足机械有限公司 | Thin wall product presss from both sides tight structure |
| CN205968360U (en) * | 2016-08-08 | 2017-02-22 | 洛阳轴研科技股份有限公司 | Transition disc that horizontal lathe clamping thin wall bearing lasso was used |
| CN205949885U (en) * | 2016-08-16 | 2017-02-15 | 山西北方机械制造有限责任公司 | A clamping device for growing section of thick bamboo thin wall part |
| CN206717059U (en) * | 2017-03-31 | 2017-12-08 | 山东省科学院激光研究所 | Soft claw assembly and chuck |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191122 |