CN108381235A - A kind of cranked plate boring jig - Google Patents
A kind of cranked plate boring jig Download PDFInfo
- Publication number
- CN108381235A CN108381235A CN201810437645.XA CN201810437645A CN108381235A CN 108381235 A CN108381235 A CN 108381235A CN 201810437645 A CN201810437645 A CN 201810437645A CN 108381235 A CN108381235 A CN 108381235A
- Authority
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- China
- Prior art keywords
- floating
- face
- screw rod
- cranked
- pedestal
- 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.)
- Granted
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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
-
- 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
- B23Q3/10—Auxiliary devices, e.g. bolsters, extension members
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of cranked plate boring jigs, including pedestal, first screw rod, second screw rod, floating self locating device and two floating presure hold-down devices, the pedestal is equipped with the first work mounting s face and height is less than the second workpiece bearing surface in the first work mounting s face, the floating presure hold-down device includes floating platen and compression cushion block, the lower face both sides of the floating platen are respectively equipped with platen support portion, the upper surface of the floating platen is equipped with cambered surface protrusion, the lower face for compressing cushion block offers and the matched positioning groove of cambered surface protrusion, the lower end of first screw rod sequentially passes through locking nut, it is connected on the first work mounting s face after compressing cushion block and floating platen, the lower end of second screw rod sequentially passes through locking nut, it is connected on second workpiece bearing surface after compressing cushion block and floating platen.The cranked plate boring jig can be with two workpiece to be processed of clamped one time, and can improve the machining accuracy of workpiece.
Description
Technical field
The present invention relates to chain production technical fields, and in particular to a kind of cranked plate boring jig.
Background technology
Cranked link chain is one of the chain being widely used currently on the market, and cranked link chain is by cranked plate, sleeve, axis pin group
At macropore and the sleeve of cranked plate are interference fitted, and aperture and the axis pin of cranked plate are interference fitted, and must be protected when processing cranked plate
Demonstrate,proving the large and small hole of adjacent two cranked plate can will assemble with one heart.Currently, cranked plate to be processed all uses substantially in bore hole
Common flat clamp compresses, and the difference in height at both ends is supported using isometry block after being bent according to cranked plate.It is primary to fill before bore hole
Two cranked plates are pressed from both sides, since the thickness of two cranked plates is there are thickness difference, the value range of thickness difference is 0-1.5mm, two curved chains
It is mostly that line contacts that the thickness difference of plate, which can cause the contact between flat clamp and workpiece, and flat clamp can be inclined to the pressing force of workpiece
Hole site is moved, causes pressing force to substantially reduce, workpiece easily vibrates when encountering cutting resistance so that the generation of workpiece aperture surface is shaken
Line, and then influence workpiece aperture surface roughness and aperture size precision；Simultaneously as the reduction of pressing force so that cutting speed
Degree and cutting output are restricted, and processing efficiency is made to substantially reduce.In addition, the bending height of two cranked plates of clamped one time can also go out
Existing difference, the ranging from 0-2mm of difference in height, the actual height that the height of isometry block is generally pressed after same batch cranked plate bending are equal
Value determines, usually chooses the intermediate value of same batch cranked plate actual height, however, when cranked link chain height is less than isometry block, adds
Product aperture and the cranked plate plane out of plumb that work comes out, and there are pitch errors to be caused when cranked link chain height is higher than isometry block
Built on the sand, when encountering cutting resistance, workpiece easily vibrates for bearing, can also influence workpiece aperture surface roughness and aperture size essence
Degree, causes two correspondence cranked plate aperture decentractions and causes chain that can not assemble and scrap when serious.
Invention content
The purpose of the present invention is to provide a kind of cranked plate boring jig, can effectively solve to be previously mentioned in background technology
The technical issues of.
To achieve the above object, the present invention provides the following technical solutions：
A kind of cranked plate boring jig comprising pedestal, the first screw rod, the second screw rod, floating self locating device and two
Floating presure hold-down device, the pedestal is equipped with the first work mounting s face and height is less than the second workpiece branch in the first work mounting s face
Bearing surface, the floating presure hold-down device include floating platen and compress cushion block, and the lower face both sides of the floating platen are respectively equipped with
The upper surface in platen support portion, the floating platen is equipped with cambered surface protrusion, and the lower face for compressing cushion block offers and cambered surface
The matched positioning groove of protrusion, the lower end of first screw rod sequentially passes through locking nut, compress cushion block and floating platen after
It is connected on the first work mounting s face, the lower end of second screw rod sequentially passes through locking nut, compresses cushion block and floating platen
After be connected on second workpiece bearing surface, the floating self locating device includes floating support block, eccentric shaft, support plate and placement
The both ends of pedestal on second workpiece bearing surface, the pedestal are respectively arranged with support plate, and is offered in the support plate
One eccentric shaft locating slot, the both ends of the eccentric shaft are respectively arranged at the first eccentric shaft in the support plate at pedestal both ends and determine
In the slot of position, the lower face of the floating support block is equipped with the second eccentric shaft locating slot, and the on both sides of the upper end of floating support block is distinguished
Equipped with the supporting block support portion for being used to support workpiece, the second eccentric shaft locating slot on floating support block is sticked on eccentric shaft,
The both sides of the eccentric shaft are correspondingly provided with tension spring respectively, and the upper end of the tension spring connects floating support block, the lower end connection of tension spring
On pedestal.
Preferably, the upper/lower terminal of the tension spring is connected separately with the first stud and the second stud, first stud with
It is connected through a screw thread between floating support block, is connected through a screw thread between second stud and pedestal.
Preferably, it is connected through a screw thread between the lower end of first screw rod and the first work mounting s face.
Preferably, it is connected through a screw thread between the lower end and second workpiece bearing surface of second screw rod.
Compared with prior art, the beneficial effects of the invention are as follows：
1, when the thickness difference of two cranked plates of clamped one time, that is, floating in floating presure hold-down device when there is thickness difference
Dynamic pressure plate voluntarily swings certain angle, is waited for ensureing that compression point of the platen support portion on cranked plate is on cranked plate always
Process hole site, and after floating platen swing angle, cambered surface protrusion on floating platen always with compress the positioning on cushion block
Groove contacts, and face contacts between not influencing locking nut and compressing cushion block, to ensure pressure of the floating presure hold-down device to cranked plate
Clamp force avoids being easy to happen vibration when work pieces process, the machining accuracy and surface roughness in hole on cranked plate is improved, due to be added
The firm clamping of cranked plate of work so that the cutting output and cutting speed of workpiece are improved, to improve production efficiency.
2, since the thickness of workpiece is big, height scattered error is big after bending, and floating self locating device can be good at supporting work
Part, when the bending height of two cranked plates of clamped one time occurs different, floating support block can be along the outer round surface of eccentric shaft
It swings to adjust, it is eccentric to ensure that the supporting block support portion of the on both sides of the upper end of floating support block is supported on two cranked plates
Axis is adjusted floating support block to required height by bias so that sufficiently rigid between two cranked plates and floating support block
Contact improves the stability of cranked plate clamping, and then ensures that workpiece is not susceptible to vibrate in process, improves cranked plate
Aperture surface roughness and aperture size precision, improve the assembly precision of cranked link chain assembly, and tension spring is answered for floating support block
Position simultaneously makes floating support block be sticked on eccentric shaft.
Description of the drawings
Fig. 1 is a kind of front view of cranked plate boring jig in the embodiment of the present invention；
Fig. 2 is a kind of vertical view of cranked plate boring jig in the embodiment of the present invention；
Fig. 3 is a kind of left view of cranked plate boring jig in the embodiment of the present invention；
Fig. 4 is a kind of right view of cranked plate boring jig in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of cranked plate in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram that the common flat clamp of tradition compresses cranked plate in the embodiment of the present invention；
Fig. 7 is scheme of installation of the cranked plate on cranked link chain in the embodiment of the present invention；
In figure, 1, pedestal, the 2, first screw rod, the 3, second screw rod, the 4, first work mounting s face, 5, second workpiece bearing surface,
6, floating platen, 7, compress cushion block, 8, platen support portion, 9, cambered surface protrusion, 10, locking nut, 11, floating support block, 12, partially
Mandrel, 13, support plate, 14, pedestal, 15, supporting block support portion, 16, tension spring, the 17, first stud, the 18, second stud, 19, curved
Carrier bar.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -7, a kind of cranked plate boring jig comprising pedestal 1, the second screw rod 3, floats at first screw rod 2
Dynamic self locating device and two floating presure hold-down devices, the pedestal 1 is equipped with the first work mounting s face 4 and height is less than the first work
The second workpiece bearing surface 5 of part bearing surface 4, the floating presure hold-down device include floating platen 6 and compression cushion block 7, the floating
The lower face both sides of pressing plate 6 are respectively equipped with platen support portion 8, and the upper surface of the floating platen 6 is equipped with cambered surface protrusion 9, described
Compress cushion block 7 lower face offer with the raised 9 matched positioning grooves of cambered surface, the lower end of first screw rod 2 is worn successively
It is connected on the first work mounting s face 4 after crossing locking nut 10, compression cushion block 7 and floating platen 6, under second screw rod 3
End is connected to after sequentially passing through locking nut 10, compression cushion block 7 and floating platen 6 on second workpiece bearing surface 5, described to float certainly
Positioning device includes floating support block 11, eccentric shaft 12, support plate 13 and the pedestal 14 being positioned on second workpiece bearing surface 5,
The both ends of the pedestal 14 are respectively arranged with support plate 13, and the first eccentric shaft locating slot is offered in the support plate 13, described
The both ends of eccentric shaft 12 are respectively arranged in the first eccentric shaft locating slot in the support plate 13 at 14 both ends of pedestal, described floating
The lower face of dynamic supporting block 11 is equipped with the second eccentric shaft locating slot, and the on both sides of the upper end of floating support block 11 is respectively provided with branch
The supporting block support portion 15 of workpiece is supportted, the second eccentric shaft locating slot on floating support block 11 is sticked on eccentric shaft 12, described
The both sides of eccentric shaft 12 are correspondingly provided with tension spring 16 respectively, the upper end connection floating support block 11 of the tension spring 16, under tension spring 16
On end connection pedestal 14.
The upper/lower terminal of the tension spring 16 is connected separately with the first stud 17 and the second stud 18, first stud 17
It is connected through a screw thread between floating support block 11, is connected through a screw thread between second stud 18 and pedestal 14, described
It is connected through a screw thread between the lower end of one screw rod 2 and the first work mounting s face 4, the lower end of second screw rod 3 and second workpiece
It is connected through a screw thread between bearing surface 5.
Operating process：
The floating presure hold-down device for first fastening 4 top of the first work mounting s face, is rotated further by eccentric shaft 12, makes floating support block 11
To workpiece obtain it is effectively supporting after, then fasten the floating presure hold-down device of the top of second workpiece bearing surface 5, after work pieces process,
The floating presure hold-down device for first unclamping 5 top of second workpiece bearing surface keeps floating support block 11 multiple under the pulling force effect of tension spring 16
Then position unclamps the floating presure hold-down device of 4 top of the first work mounting s face, unloads workpiece.
Concrete operations are：A lower height of one end on two cranked plates 19 to be processed is positioned over the first work mounting s face 4
On, the floating presure hold-down device of 4 top of the first work mounting s face of fastening, the platen support portion 8 of 6 lower face both sides of floating platen is distinguished
Two cranked plates 19 are pushed down, and using locking nut 10 simultaneously by a side compression of two cranked plates 19, later, eccentric rotation axis 12,
So that the supporting block support portion 15 on floating support block 11 is carried out workpiece effectively supporting, similarly, fastens on second workpiece bearing surface
The floating presure hold-down device of side completes the compression to the other side of two cranked plates 19.
It is when the thickness difference of two cranked plates 19 of clamped one time, that is, floating in floating presure hold-down device when there is thickness difference
Dynamic pressure plate 6 voluntarily swings certain angle, to ensure that compression point of the platen support portion 8 on cranked plate 19 is in cranked plate 19 always
On unprocessed hole location, and after 6 swing angle of floating platen, cambered surface protrusion 9 on floating platen 6 always with compress cushion block
Positioning groove on 7 well contacts, and face contacts between not influencing locking nut 10 and compressing cushion block 7, is compressed to ensure to float
Device avoids being easy to happen vibration when work pieces process to the pressing force of cranked plate 19, improves the machining accuracy in hole on cranked plate 19
And surface roughness, due to 19 firm clamping of cranked plate to be processed so that the cutting output and cutting speed of workpiece are improved,
To improve production efficiency.
Since the thickness of workpiece is big, height scattered error is big after bending, and floating self locating device can be good at supporting workpiece,
When the bending of two cranked plates 19 of clamped one time height is inconsistent, floating support block 11 can be along the outer round surface of eccentric shaft 12
Swing and adjust, with ensure floating support block 11 on both sides of the upper end supporting block support portion 15 equal firm support in two cranked plates
On 19, floating support block 11 is adjusted by bias and arrives required height by eccentric shaft 12 so that two cranked plates 19 and branch of floating
Sufficiently rigid contact between bracer 11 improves the stability of 19 clamping of cranked plate, and tension spring 16 is used for the reset of floating support block 11,
And then ensure that workpiece is not susceptible to vibrate in process, improve the aperture surface roughness and aperture size essence of cranked plate 19
Degree improves the assembly precision of cranked link chain assembly.
The present invention overcomes because traditional common flat clamp 20 compresses cranked plate 19 and supports cranked plate using isometry block
Cranked plate caused by 19 clamps not firm caused workpiece and easily vibrates, and influences Workpiece Machining Accuracy.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes by a similar method, without departing from the present invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (4)
1. a kind of cranked plate boring jig, it is characterised in that：Including pedestal, the first screw rod, the second screw rod, floating self locating device
With two floating presure hold-down devices, the pedestal is equipped with the first work mounting s face and height is less than the second of the first work mounting s face
Work mounting s face, the floating presure hold-down device include floating platen and compress cushion block, and the lower face both sides of the floating platen are divided
Not She You platen support portion, the upper surface of the floating platen is equipped with cambered surface protrusion, and the lower face for compressing cushion block offers
It sequentially passes through locking nut with the lower end of the matched positioning groove of cambered surface protrusion, first screw rod, compress cushion block and floating
It is connected to after pressing plate on the first work mounting s face, the lower end of second screw rod sequentially passes through locking nut, compresses cushion block and float
It is connected to after dynamic pressure plate on second workpiece bearing surface, the floating self locating device includes floating support block, eccentric shaft, support plate
It is respectively arranged with support plate with the both ends of the pedestal being positioned on second workpiece bearing surface, the pedestal, is opened in the support plate
Equipped with the first eccentric shaft locating slot, first that the both ends of the eccentric shaft are respectively arranged in the support plate at pedestal both ends is inclined
In mandrel locating slot, the lower face of the floating support block is equipped with the second eccentric shaft locating slot, the upper surface two of floating support block
Side is respectively provided with the supporting block support portion of support workpiece, and the second eccentric shaft locating slot on floating support block is sticked in bias
On axis, the both sides of the eccentric shaft are correspondingly provided with tension spring respectively, and the upper end of the tension spring connects floating support block, the lower end of tension spring
It connects on pedestal.
2. a kind of cranked plate boring jig according to claim 1, it is characterised in that：The upper/lower terminal of the tension spring point
It is not connected with the first stud and the second stud, is connected through a screw thread between first stud and floating support block, described second
It is connected through a screw thread between stud and pedestal.
3. a kind of cranked plate boring jig according to claim 2, it is characterised in that：The lower end of first screw rod and the
It is connected through a screw thread between one work mounting s face.
4. a kind of cranked plate boring jig according to claim 3, it is characterised in that：The lower end of second screw rod and the
It is connected through a screw thread between two work mounting s faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810437645.XA CN108381235B (en) | 2018-05-09 | 2018-05-09 | Boring fixture for bent chain plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810437645.XA CN108381235B (en) | 2018-05-09 | 2018-05-09 | Boring fixture for bent chain plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108381235A true CN108381235A (en) | 2018-08-10 |
| CN108381235B CN108381235B (en) | 2023-08-01 |
Family
ID=63071466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810437645.XA Active CN108381235B (en) | 2018-05-09 | 2018-05-09 | Boring fixture for bent chain plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108381235B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883588A (en) * | 2019-12-18 | 2020-03-17 | 长沙思胜智能设备有限公司 | Universal floating fixture |
| CN109352360B (en) * | 2018-11-15 | 2021-01-01 | 中国航空工业集团公司洛阳电光设备研究所 | Machining method for reducing resonance of invar alloy low-rigidity cantilever part |
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| CN101695815A (en) * | 2009-10-13 | 2010-04-21 | 常熟理工学院 | Clamp mechanism for processing piston pin hole of compressor |
| CN201685120U (en) * | 2010-05-31 | 2010-12-29 | 广东鸿特精密技术股份有限公司 | Reverse buckled clamping and locking clamper |
| CN201783835U (en) * | 2010-07-29 | 2011-04-06 | 天津市中马骏腾精密机械制造有限公司 | Eccentric positioning and clamping fixture |
| CN102729071A (en) * | 2012-07-23 | 2012-10-17 | 杭州和泰机电工业有限公司 | Automatic clamping tool for chain plate processing |
| KR20130011461A (en) * | 2011-07-21 | 2013-01-30 | 노규태 | Chain supporting device of chain for face cutting machine |
| CN104551738A (en) * | 2014-12-29 | 2015-04-29 | 苏州用朴合金工具有限公司 | Multi-workpiece linkage clamping device |
| CN205834753U (en) * | 2016-06-28 | 2016-12-28 | 扬州大学 | One positions multifunctional efficient fixture completely |
| CN106312655A (en) * | 2015-06-28 | 2017-01-11 | 江苏新光华机械有限公司 | Equal-height eccentric floating supporting device for machining lower connecting plate |
| CN208214866U (en) * | 2018-05-09 | 2018-12-11 | 安徽黄山恒久链传动有限公司 | A kind of cranked plate boring jig |
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2018
- 2018-05-09 CN CN201810437645.XA patent/CN108381235B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02279245A (en) * | 1989-04-20 | 1990-11-15 | Toyoda Mach Works Ltd | Clamp device |
| CN101695815A (en) * | 2009-10-13 | 2010-04-21 | 常熟理工学院 | Clamp mechanism for processing piston pin hole of compressor |
| CN201685120U (en) * | 2010-05-31 | 2010-12-29 | 广东鸿特精密技术股份有限公司 | Reverse buckled clamping and locking clamper |
| CN201783835U (en) * | 2010-07-29 | 2011-04-06 | 天津市中马骏腾精密机械制造有限公司 | Eccentric positioning and clamping fixture |
| KR20130011461A (en) * | 2011-07-21 | 2013-01-30 | 노규태 | Chain supporting device of chain for face cutting machine |
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| CN106312655A (en) * | 2015-06-28 | 2017-01-11 | 江苏新光华机械有限公司 | Equal-height eccentric floating supporting device for machining lower connecting plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352360B (en) * | 2018-11-15 | 2021-01-01 | 中国航空工业集团公司洛阳电光设备研究所 | Machining method for reducing resonance of invar alloy low-rigidity cantilever part |
| CN110883588A (en) * | 2019-12-18 | 2020-03-17 | 长沙思胜智能设备有限公司 | Universal floating fixture |
| CN110883588B (en) * | 2019-12-18 | 2021-06-15 | 长沙思胜智能设备有限公司 | Universal floating fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108381235B (en) | 2023-08-01 |
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