CN107803681A - A kind of fixture for being used to process eccentric shaft - Google Patents
A kind of fixture for being used to process eccentric shaft Download PDFInfo
- Publication number
- CN107803681A CN107803681A CN201711191263.5A CN201711191263A CN107803681A CN 107803681 A CN107803681 A CN 107803681A CN 201711191263 A CN201711191263 A CN 201711191263A CN 107803681 A CN107803681 A CN 107803681A
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- China
- Prior art keywords
- sliding block
- eccentric shaft
- fixture
- numerical control
- control main
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- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims abstract description 21
- 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 abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 125000006850 spacer group Chemical group 0.000 claims abstract description 24
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 230000000007 visual effect Effects 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)
- Jigs For Machine Tools (AREA)
Abstract
The present invention relates to a kind of fixture for being used to process eccentric shaft, including numerical control main axle, briquetting, the sliding block pedestal coaxially connected with numerical control main axle, the sliding block being arranged on sliding block pedestal, eccentric shaft is pressed on sliding block by briquetting, and eccentric shaft axial direction and numerical control main axle it is axially in parallel, the spacer pin for being used for limiting sliding block sliding distance is provided with sliding block pedestal at the glide direction both ends that sliding block reciprocatingly slides, the displacement that sliding block slides into the spacer pin of the other end from the spacer pin of one end is equal to the external diameter center of eccentric shaft to the distance at endoporus center, also include being set in the tensioning mechanism that in numerical control main axle and one end passes through sliding block pedestal to extend on sliding block.Present clip only needs clamped one time in eccentric shaft process, eccentric shaft is by locking of the numerical control pull bar to sliding block and unclasps and realizes that sliding block moves up and down in sliding block base plane, ensure that the mismachining tolerance of fixture is not related with processing, improve the depth of parallelism and precision of external diameter and endoporus.
Description
Technical field
The present invention relates to a kind of fixture, more particularly to a kind of fixture for being used to process eccentric shaft.
Background technology
Eccentric shaft is a kind of cylindrical misaligned workpiece with the diameter parallel of endoporus, more applied to the eccentric shaft on air pump
It is assembling bearing, its is cylindrical to be generally used for connecting connecting rod piston, and endoporus is generally set on the output shaft of motor, in motor at a high speed
During rotation, due to the different relation in the center of circle, drivening rod does quick reciprocating motion, and now bearing is by a high speed and radial impact
Power, if motor output shaft is not parallel with bearing, bearing can produce high speed swinging so that shaft strength is uneven, causes not advise
Then wear, substantially reduce the service life of bearing.
Common processing method is more complicated, using external diameter is first processed, then reprocesses endoporus with external diameter positioning jig,
Multiple clamping is produced, processing accumulated error is big, and the precision of fixture is also difficult to ensure that, causes the qualification rate bottom of product;Also have and pass through
Turning milling center is processed, and is processed and formed at one time, but shortcoming is obvious, and lathe is somewhat expensive, and long processing time, expense is too high, no economy
Efficiency.
The content of the invention
It is an object of the invention to solve the deficiencies in the prior art, there is provided a kind of machining accuracy it is high be used for process eccentric shaft
Fixture.
The present invention realize its technical purpose used by technical scheme be:A kind of fixture for being used to process eccentric shaft, bag
Include numerical control main axle and briquetting, it is characterised in that:Also include
Slide block mechanism, the slide block mechanism include the sliding block pedestal coaxially connected with numerical control main axle, are arranged at sliding block pedestal
Sliding block in end face outside, eccentric shaft to be processed are pressed on sliding block by briquetting, the axial direction of eccentric shaft and numerical control after compression
Main shaft it is axially in parallel, the stroke both ends of the glide direction to be reciprocatingly slided on the sliding block pedestal in sliding block, which are provided with, to be used to limit cunning
The spacer pin of block sliding distance, the displacement that sliding block slides into the spacer pin of the other end from the spacer pin of one end are equal to the outer of eccentric shaft
Footpath center to eccentric orfice center distance, the glide direction of sliding block and eccentric shaft it is axially vertical;
Tensioning mechanism, the tensioning mechanism are set in the axial hole of numerical control main axle, and one end of tensioning mechanism passes through and slided
The extension of block pedestal is fixed to sliding block, and tensioning mechanism can move back and forth along the axial hole of numerical control main axle.
Further, the tensioning mechanism is fixedly attached to sliding block including passing axially through sliding block pedestal out of numerical control main axle
Pull bar fastener, the pull bar fastener on the part in numerical control main axle be provided with fixture clamp, the fixture is in numerical control master
Extend in the axle endoporus of axle to away from the side of pull bar fastener bearing of trend, and be fixed with elongated end and drive fixture in numerical control
Main shaft interior edge pull bar in axial sliding.
Further, the fixture is flat chuck, and the inner peripheral surface of fixture against numerical control main axle is set.
Further, sliding block bushing has been axially fixed in the sliding block, one end of the sliding block bushing offers and drawn
The introducing notch of tight mechanism connection, the installation position for setting eccentric shaft is led on the other end.
Further, the contact surface of the spacer pin and sliding block is the cambered surface protruded to sliding block.
Further, the briquetting, which is provided with, is used to adjust briquetting fastener of the briquetting to the elasticity of eccentric shaft.
Further, it is fastenedly connected between numerical control main axle and the sliding block pedestal by pedestal fastener.
Compared with prior art, beneficial effects of the present invention are as follows:
The fixture only needs clamped one time in eccentric shaft process, i.e., only needs fixture only to need to clamp pull bar fastening
Part can realizes the processing of eccentric shaft external diameter and endoporus, and eccentric shaft is by locking of the numerical control pull bar to sliding block and unclasps realization cunning
Block moves up and down in sliding block base plane, and then ensures that with the slip of sliding block upper and lower displacement occurs for eccentric shaft, but fixture
Highly keep constant, ensure that the mismachining tolerance of fixture is not related with processing, in product external diameter and interior hole machined, carry significantly
The high depth of parallelism of external diameter and endoporus, while can ensure the control of the depth of parallelism between each product within 0.01mm;Significantly
Improve the qualification rate of product;The control of the centre-to-centre spacing of eccentric shaft in the present invention is controlled by the spacer pin at sliding block both ends,
And spacer pin uses straight pin, makes contact area few, substantially increases positioning progress, and employ numerical control program in the present invention
Pull bar and processing are controlled, the speed of whole workflow improves, and improves processing efficiency.
Brief description of the drawings
Fig. 1 is a kind of sectional view for being used to process the fixture of eccentric shaft of the present embodiment.
Fig. 2 is a kind of structural representation for being used to process the fixture of eccentric shaft of the present embodiment.
Fig. 3 is a kind of part-structure schematic diagram for being used to process another visual angle of fixture of eccentric shaft of the present embodiment.
Embodiment
Technical scheme is described in further detail below by specific embodiment and with reference to accompanying drawing.
As shown in Figure 1 to Figure 3, a kind of fixture for being used to process eccentric shaft, including numerical control main axle 100, briquetting 300, sliding block
Mechanism 400 and tensioning mechanism 500, slide block mechanism 400 include the sliding block pedestal 410 coaxially connected with the one end of numerical control main axle 100, with
And the sliding block 420 on the end face of sliding block pedestal 410 is arranged at, eccentric shaft 200 to be processed is pressed on sliding block 420 by briquetting 300
On, the axial direction of eccentric shaft 200 and numerical control main axle 100 is axially in parallel after compression, is back and forth slided in sliding block 420 on sliding block pedestal 410
Dynamic glide direction both ends are provided with the spacer pin 430 for being used for limiting the sliding distance of sliding block 420, spacer pin of the sliding block 420 from one end
430 slide into the spacer pin 430 of the other end displacements be equal to eccentric shaft 200 external diameter center to its eccentric orfice center distance,
The glide direction of sliding block 420 is axially vertical with eccentric shaft 200.
The contact surface of spacer pin 430 and sliding block 420 is the cambered surface protruded to sliding block 420, in order that sliding block 420 with it is spacing
The contact area of pin 430 is as small as possible, and spacer pin 430 is cylinder, and contact area is smaller, spacer pin of the sliding block 420 at both ends
The impact being subject to when movable between 430430 is with regard to smaller, the impact that is subject to so as to the eccentric shaft 200 that ensure that on sliding block 420
Power is also small, and briquetting 300 can also be reduced to the pressure of eccentric shaft 200, while reduce sliding block 420 from one end activity to the other end
Need the frictional force overcome.
Above-mentioned tensioning mechanism 500 is set in the axial hole of numerical control main axle 100, and one end of tensioning mechanism 500 passes through and slided
The extension of block pedestal 410 is fixed to sliding block 420, and tensioning mechanism 500 can move back and forth along the axial hole of numerical control main axle 100, work as drawing
Axial movement of the tight mechanism 500 along numerical control main axle 100 simultaneously tenses sliding block 420 to away from the side of sliding block pedestal 410 so that sliding block
The relative position of static friction increase between 420 and sliding block pedestal 410, locking sliding block 420 and sliding block pedestal 410;Work as fastener
Along numerical control main axle 100 when axially being promoted to the side of sliding block 420, the static friction between sliding block 420 and sliding block pedestal 410 subtracts structure 200
Small, the position relationship unblock between sliding block 420 and sliding block pedestal 410, sliding block 420 can be movable on sliding block pedestal 410.
Tensioning mechanism 500 is fixedly attached to sliding block 420 including passing axially through sliding block pedestal 410 out of numerical control main axle 100
Pull bar fastener 510, pull bar fastener 510 clamps on the part in numerical control main axle 100 provided with fixture 520, and fixture 520 exists
Extend in the axial hole of numerical control main axle 100 to away from the side of the bearing of trend of pull bar fastener 510, and use is fixed with elongated end
In driving fixture 520, in the interior edge of numerical control main axle 100, pull bar 530, pull bar 530 stretch out in the axle of numerical control main axle 100 in axial sliding
Xiang Kong.
Pull bar fastener 510 is pull bar screw in the present embodiment, and pull bar screw includes the screw terminal 511 and screw column to connect
512, one end and the sliding block 420 of screw column 512 are fastenedly connected, and screw terminal 511 is located in fixture 520, and fixture 520 axially clamps
On the outer peripheral face of screw column 512, the diameter of screw terminal 511 is greater than the diameter of screw column 512, and fixture 520 has part to support
Lean against on screw terminal 511, for preventing fixture 520 from departing from screw column 512, fixture 520 is clamped in all the time on screw column 512.
The part that fixture 520 is resisted against on screw terminal 511 in the present embodiment is flat chuck, i.e. the clamping face of fixture 520 is flat
Face, increase fixture 520 and clamp the foundation area between thing, so as to increase the frictional force in clamping process, make fixture
What is clamped is more firm.
Above-mentioned pull bar fastener 510, which is not limited to pull bar screw or other, can realize pull bar screw work(
The products substitution of energy, fixture are also not limited to flat chuck, can be that other fixtures substitute, such as:Three grab folder.
In order to reduce fixture occupied area, the inner peripheral surface of above-mentioned fixture 520 against numerical control main axle 100 is set, so
It ensure that fixture 520 during pull bar fastener 510 is pulled, the cheap of position does not occur, is sent out so as to reduce eccentric shaft 200
The possibility of the skew of raw position, is arranged at intervals between above-mentioned pull bar 530 and pull bar fastener 510, is arranged at intervals to fixture
The space of 520 more shape changeables, while for production, materials are not only reduced, reduce cost, and install also more square
Just.
Sliding block bushing 440 is axially fixed in above-mentioned sliding block 420, one end of sliding block bushing 440 offers and fastener
The introducing notch 441 that structure 500 connects, the installation position for setting eccentric shaft 200 is led on the other end;The inner circumferential of notch 441
Face can be that the inner peripheral surface of helicitic texture or notch is provided with the clamping structure for being used for blocking pull bar fastener;Eccentric shaft 200
Simultaneously equipped with the grinding tool of processing eccentric shaft 200 on installation position.
Above-mentioned briquetting 300, which is provided with, to be used to adjust briquetting fastener 310 of the briquetting to the elasticity of eccentric shaft 200, this reality
Apply briquetting fastener 310 in example and use briquetting screw, briquetting screw applies pressure by precession to briquetting, by screwing out to briquetting
Pressure is discharged, can also be replaced by other mechanisms that can control briquetting pressure of convenient operation, the present embodiment is from cost meter
Count in considering, the fastening of screw is that most convenient is also cost-saving, it will be most readily appreciated that.
In order to firmly install sliding block pedestal 410 and numerical control main axle 100, pass through between numerical control main axle 100 and sliding block pedestal 410
Pedestal fastener 600 is fastenedly connected, and ensure that the stability of whole equipment so that the processing of eccentric shaft 200 is more accurate.
The workflow of the present invention:Eccentric shaft 200 is pressed on sliding block 420 by briquetting 300, pushes up sliding block 420
Abutted to the spacer pin 430 with upper end, numerical control starts pull bar 530 and pulled, and fixture 520 and pull bar fastener 510 is driven, with pull bar
The sliding block 420 that fastener 510 fastens is pulled to sliding block pedestal 410, and is tightly locked with sliding block pedestal 410, makes sliding block 420 keep being
The height that upper end spacer pin 430 abuts, start outer peripheral face and the end face of numerical control program processing eccentric shaft, after completing processing, numerical control
Program is suspended, and discharges the pulling force to pull bar 530, and the locking state between sliding block 420 and sliding block pedestal 410 is released from, and promotes and slides
Block 420 slips down to be abutted with the spacer pin of lower end 430, then numerical control starts pull bar 530 and tenses sliding block 420, is again started up numerical control journey
Sequence, the endoporus of eccentric shaft 200 is processed, treat EP (end of program), Product processing is completed.
Present clip only needs clamped one time in eccentric shaft process, i.e., only needs fixture only to need to clamp pull bar
Fastener can realizes the processing of eccentric shaft external diameter and endoporus, and eccentric shaft is by locking of the numerical control pull bar to sliding block and unclasps reality
Existing sliding block moves up and down in sliding block base plane, and then ensures that with the slip of sliding block upper and lower displacement occurs for eccentric shaft, but presss from both sides
The height of tool keeps constant, ensure that the mismachining tolerance of fixture is not related with processing, in product external diameter and interior hole machined, greatly
The depth of parallelism of external diameter and endoporus is improved greatly, while can ensure the control of the depth of parallelism between each product within 0.01mm;
Substantially increase the qualification rate of product;The control of the centre-to-centre spacing of eccentric shaft in the present invention is the spacer pin control by sliding block both ends
System, and spacer pin uses straight pin, makes contact area few, substantially increases positioning progress, and employ numerical control in the present invention
Programme-control pull bar and processing, the speed of whole workflow improve, and improve processing efficiency.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of fixture for being used to process eccentric shaft, including numerical control main axle (100) and briquetting (300), it is characterised in that:Also include
Slide block mechanism (400), the slide block mechanism (400) include the sliding block pedestal coaxially connected with numerical control main axle (100)
(410) sliding block (420), being arranged in sliding block pedestal (410) end face outside, eccentric shaft to be processed (200) pass through briquetting
(300) it is pressed on sliding block (420), the axial direction of eccentric shaft (200) and numerical control main axle (100) is axially in parallel after compression, described
The stroke both ends of the glide direction to be reciprocatingly slided on sliding block pedestal (410) in sliding block (420) are provided with sliding for limiting sliding block (420)
The spacer pin (430) of dynamic distance, sliding block (420) slide into the position of the spacer pin (430) of the other end from the spacer pin (430) of one end
The external diameter center equal to eccentric shaft (200) is moved to the distance at eccentric orfice center, the glide direction and eccentric shaft of sliding block (420)
(200) axially vertical;
Tensioning mechanism (500), the tensioning mechanism (500) is set in the axial hole of numerical control main axle (100), and tensioning mechanism
(500) one end is fixed to sliding block (420) through sliding block pedestal (410) extension, and tensioning mechanism (500) can be along numerical control main axle
Axial hole (100) moves back and forth.
A kind of 2. fixture for being used to process eccentric shaft as claimed in claim 1, it is characterised in that:The tensioning mechanism (500)
The pull bar fastener for being fixedly attached to sliding block (420) including passing axially through sliding block pedestal (410) out of numerical control main axle (100)
(510) fixture (520), is provided with part of the pull bar fastener (510) in numerical control main axle (100) to clamp, the fixture
(520) extend in the axle endoporus of numerical control main axle (100) to away from the side of pull bar fastener (510) bearing of trend, and extend
It is fixed with end and drives fixture (520) in numerical control main axle (100) interior edge pull bar (530) in axial sliding.
A kind of 3. fixture for being used to process eccentric shaft as claimed in claim 2, it is characterised in that:The fixture (520) is flat
Chuck, the inner peripheral surface of fixture (520) against numerical control main axle (100) are set.
A kind of 4. fixture for being used to process eccentric shaft as claimed in claim 1, it is characterised in that:Sliding block (420) interior edge
Axial restraint has sliding block bushing (440), and one end of the sliding block bushing (440) offers draws with what tensioning mechanism (500) was connected
Enter notch (441), the installation position for setting eccentric shaft (200) is led on the other end.
A kind of 5. fixture for being used to process eccentric shaft as claimed in claim 1, it is characterised in that:The spacer pin (430) with
The contact surface of sliding block (420) is the cambered surface protruded to sliding block (420).
A kind of 6. fixture for being used to process eccentric shaft as claimed in claim 1, it is characterised in that:Set on the briquetting (300)
Have for adjusting briquetting fastener (310) of the briquetting (300) to the elasticity of eccentric shaft (200).
A kind of 7. fixture for being used to process eccentric shaft as claimed in claim 1, it is characterised in that:The numerical control main axle (100)
It is fastenedly connected between sliding block pedestal (420) by pedestal fastener (600).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711191263.5A CN107803681B (en) | 2017-11-24 | 2017-11-24 | Clamp for machining eccentric shaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711191263.5A CN107803681B (en) | 2017-11-24 | 2017-11-24 | Clamp for machining eccentric shaft |
Publications (2)
Publication Number | Publication Date |
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CN107803681A true CN107803681A (en) | 2018-03-16 |
CN107803681B CN107803681B (en) | 2024-03-12 |
Family
ID=61590579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711191263.5A Active CN107803681B (en) | 2017-11-24 | 2017-11-24 | Clamp for machining eccentric shaft |
Country Status (1)
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CN (1) | CN107803681B (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4759536A (en) * | 1986-10-04 | 1988-07-26 | Nitto Kohki Co., Ltd. | Clamping device |
US4915367A (en) * | 1987-09-15 | 1990-04-10 | Carossino Freres | Clamping apparatus for parts to be machined |
CN203304945U (en) * | 2013-06-12 | 2013-11-27 | 嘉兴市宏丰机械有限公司 | Clamp for machining eccentric shaft of crankshaft |
CN104384991A (en) * | 2014-11-18 | 2015-03-04 | 无锡恒富科技有限公司 | Pair clamping type workpiece clamping mechanism |
CN104440333A (en) * | 2014-11-30 | 2015-03-25 | 重庆川茂建材有限公司 | Clamping device convenient for processing workpiece circumference |
CN104439354A (en) * | 2014-11-28 | 2015-03-25 | 重庆川茂建材有限公司 | Disc spring clamping mechanism |
CN204672998U (en) * | 2015-06-02 | 2015-09-30 | 玉溪建福集团机床有限责任公司 | A kind of eccentric bushing Special Fixture for Machining of high performance-price ratio |
CN105729182A (en) * | 2016-05-03 | 2016-07-06 | 西北工业大学 | Tensioning clamp for sheet-type part subjected to rotary milling processing |
CN207710323U (en) * | 2017-11-24 | 2018-08-10 | 宁波英德菲尔机械科技有限公司 | A kind of fixture for processing eccentric shaft |
-
2017
- 2017-11-24 CN CN201711191263.5A patent/CN107803681B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4759536A (en) * | 1986-10-04 | 1988-07-26 | Nitto Kohki Co., Ltd. | Clamping device |
US4915367A (en) * | 1987-09-15 | 1990-04-10 | Carossino Freres | Clamping apparatus for parts to be machined |
CN203304945U (en) * | 2013-06-12 | 2013-11-27 | 嘉兴市宏丰机械有限公司 | Clamp for machining eccentric shaft of crankshaft |
CN104384991A (en) * | 2014-11-18 | 2015-03-04 | 无锡恒富科技有限公司 | Pair clamping type workpiece clamping mechanism |
CN104439354A (en) * | 2014-11-28 | 2015-03-25 | 重庆川茂建材有限公司 | Disc spring clamping mechanism |
CN104440333A (en) * | 2014-11-30 | 2015-03-25 | 重庆川茂建材有限公司 | Clamping device convenient for processing workpiece circumference |
CN204672998U (en) * | 2015-06-02 | 2015-09-30 | 玉溪建福集团机床有限责任公司 | A kind of eccentric bushing Special Fixture for Machining of high performance-price ratio |
CN105729182A (en) * | 2016-05-03 | 2016-07-06 | 西北工业大学 | Tensioning clamp for sheet-type part subjected to rotary milling processing |
CN207710323U (en) * | 2017-11-24 | 2018-08-10 | 宁波英德菲尔机械科技有限公司 | A kind of fixture for processing eccentric shaft |
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