CN104907868B - A kind of turnery processing motor casing hydraulic pressure automatic fixture - Google Patents
A kind of turnery processing motor casing hydraulic pressure automatic fixture Download PDFInfo
- Publication number
- CN104907868B CN104907868B CN201510262276.1A CN201510262276A CN104907868B CN 104907868 B CN104907868 B CN 104907868B CN 201510262276 A CN201510262276 A CN 201510262276A CN 104907868 B CN104907868 B CN 104907868B
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- China
- Prior art keywords
- motor casing
- pull bar
- clamping
- blind flange
- packing
- 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.)
- Withdrawn - After Issue
Links
- 238000012545 processing Methods 0.000 title claims abstract description 25
- 238000012856 packing Methods 0.000 claims abstract description 27
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Motors (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of turnery processing motor casing hydraulic pressure automatic fixture, including hollow clamp body, the side of clamp body is provided with packing, the packing taper hole being adapted with the external diameter of main shaft is offered on packing, the opposite side of clamp body is provided with blind flange, indexable clamp system is provided with blind flange, pull bar is connected with clamp system, one end of pull bar is passed from packing taper hole, pull bar is by hydraulic rotating hydraulic oil cylinder driving, pull bar is adapted with spindle taper hole, under the drive of pull bar, and clamp system is indexable and the motor casing that is fixedly clamped.The present invention uses Hydraumatic automatic clamping mode clamping fixing motor housing, convenient mounting and clamping, clamping efficiency is high, and clamping rigidity is strong, and its clamping force stablizes adjustable, clamping deformation can significantly be reduced, improve the machining accuracy of motor casing, it can be ensured that bearing chamber 0.005mm cylindricity, the crudy of lifting motor shell, cost is reduced, is increased the benefit.
Description
Technical field
The present invention relates to a kind of Digit Control Machine Tool fixture for processing, specifically a kind of turnery processing motor casing is pressed from both sides automatically with hydraulic pressure
Tool.
Background technology
Motor casing is as bearing and the installing component of rotor in whole motor, and the stable rotation for motor serves pass
The effect of key.The significant properties of motor casing processing is processing content based on turning.Fig. 1-3 is the structure of common motor casing
In schematic diagram, Fig. 1-3, a1 holes and a2 holes are traditional Set and Positioning hole（A1 holes are opened on boss d）, b1 faces, b2 faces and b3 faces
For traditional clamping seal face, c1 faces, c2 faces and c3 faces are traditional Set and Positioning face.Using conventional brace clamping fixing motor housing,
When motor casing is processed, corresponding Set and Positioning hole, clamping seal face and Set and Positioning face as shown in Fig. 1-3 are used as Set and Positioning
Point, plane and two pitses positioning, manually operated fixture and clamping motor shell, turning A holes, B faces, C holes, D faces, E faces are carried out to motor casing
With F holes, wherein B faces and C holes constitutes bearing chamber.For the bearing chamber of motor casing dimensional tolerance, roughness and cylindricity have compared with
High processing request, it is desirable to which the dimensional tolerance grade of bearing chamber is H7, roughness is Ra0.8, and the cylindricity in C holes is 0.005mm.
Using conventional brace clamping fixing motor housing, with certain deficiency：First, Set and Positioning point apart from the position of bearing chamber compared with
Far, clamping is rigidly poor, and part can produce slight deformation in turning process, causes 0.005mm cylindricity to be difficult to ensure that,
Often there is overproof situation, therefore the turning amount of feeding need to be suitably reduced during turning, to ensure cylindricity requirement；Second, due to
Set and Positioning point is too outer, causes the rotating diameter of fixture larger, therefore the speed of mainshaft need to be reduced in turning, but this can influence to add
Work efficiency rate；3rd, tradition, which is clamped, needs hand-operated clamping, and the manually control for clamping force size is not sufficiently stable, and is easily caused part dress
Folder deformation, while clamping efficiency is low；4th, the dynamic balance performance of manual is poor, and fixture is also easy to produce in rotary course
Vibration, influences part processing precision.
The content of the invention
The technical problems to be solved by the invention are：There is provided a kind of turnery processing motor casing in view of the shortcomings of the prior art
Hydraulic pressure automatic fixture is used, the machining accuracy of motor casing can be improved.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of turnery processing motor casing is automatic with hydraulic pressure
Fixture, including hollow clamp body, the side of described clamp body, which is provided with packing, described packing, to be offered and main shaft
The packing taper hole that external diameter is adapted, the opposite side of described clamp body is provided with that be provided with blind flange, described blind flange can
Pull bar is connected with the clamp system of indexing, described clamp system, one end of described pull bar is worn from described packing taper hole
Go out, described pull bar is by hydraulic rotating hydraulic oil cylinder driving, and described pull bar is adapted with spindle taper hole, in the drive of described pull bar
Under, described clamp system is indexable and the motor casing that is fixedly clamped.After installation, packing is fixed on main shaft, while making main shaft
It is plugged in packing taper hole, in pull bar insertion spindle taper hole, passes through clamp system clamping fixing motor housing, you can carry out cutting and add
Work.The present invention uses Hydraumatic automatic clamping mode clamping fixing motor housing, and convenient mounting and clamping, clamping efficiency is high, and clamping rigidity is strong, its
Clamping force stablizes adjustable, can significantly reduce clamping deformation, improves the machining accuracy of motor casing, it can be ensured that bearing chamber 0.005mm
Cylindricity.
Described clamp system includes spaced some taper pins and indexable multiple clamping units；Described in each
Clamping unit includes a hook and a connecting shaft, and described connecting shaft is connected to the tail end of described hook, described company
Spindle is connected with described pull bar, and described connecting shaft is arranged in the first mounting seat, and the first described mounting seat is fixed on institute
On the blind flange stated, the outer peripheral face of described connecting shaft, which is provided with helicla flute, described blind flange, is fixed with jackscrew, described top
Guide pad is connected with silk, the end of described guide pad is plugged in described helicla flute, is provided with described blind flange
Locating dowel for positioning described motor casing, described locating dowel is located at the inner side of described hook；Each described taper pin
In second mounting seat, the second described mounting seat is fixed on described blind flange, each described taper pin
Afterbody be provided be provided with a compression spring, described motor casing it is corresponding with the front end of described some taper pins some
After motor casing taper hole, motor casing clamping, multiple hooks hook motor casing simultaneously, and many locating dowels withstand motor casing simultaneously, some
The front end of taper pin is respectively embedded into some motor casing taper holes.When starting clamping, fixture is in releasing orientation, and pull bar is located at preceding pushing
Put, multiple hooks are by the effect pushed away before pull bar, in releasing orientation；Load after motor casing to be processed, hydraulic rotating oil cylinder
Drive and moved after pull bar, pull bar drives while pressed after each connecting shaft, polylith guide pad respectively along each helicla flute slide it is same
When, each connecting shaft drives multiple hook indexings to arrive clamped condition simultaneously, completes clamping；After the completion of clamping, you can processing motor
Shell；After machining, hydraulic rotating hydraulic oil cylinder driving pull bar reach, multiple hooks unclamp, you can unload the motor casing processed.Folder
The taper pin of the tight mechanism and structure design of hook is compact, rotating diameter is small, rotating speed is high, high in machining efficiency.
Described clamp system includes spaced two taper pins and indexable four clamping units.Clamping process
In, four hooks hook the same face of motor casing simultaneously, and the front end of two taper pins is embedded in two motor casing taper holes simultaneously, so that
Realize " plane and two pitses " positioning of motor casing processing.
Described helicla flute includes the first axial groove, deep-slotted chip breaker and the second axial groove of the front and rear connection of rounding off successively,
When multiple hook reaches and rear shifting, polylith guide pad moves linearly along the first axial groove and the second axial groove respectively, when polylith is led
After being moved into block in deep-slotted chip breaker, that is, realize the indexing of multiple hooks.
Described locating dowel is threaded on described blind flange, between described locating dowel and described blind flange plus
Equipped with contour pad.During motor casing clamping, screw-in depth of the regulation locating dowel on blind flange can be rotated according to actual conditions, and
The contour pad of suitable depth is selected, clamping error is eliminated, accurate, reliable location to motor casing is realized.
Some soket head cap screws for being threadedly coupled described main shaft are installed on described packing.Pass through some interior six
Packing is fixed on main shaft by angle screw, easy for installation.
The front end of described pull bar is connected with attachment screw, and described attachment screw includes threaded portion and the company being wholely set
Socket part, described pull bar is connected with described threaded portion, and drive plate is arranged with described connecting portion, the company described in every
It is provided with first annular groove on the outer peripheral face of spindle, the perisporium inlay card of described drive plate is multiple described first annular recessed
In groove.
The second annular groove is provided with the outer peripheral face of described connecting portion, the both sides of the second described annular groove are distinguished
One spheric washer is installed, described drive plate is arranged between the spheric washer described in two, the two of described drive plate
Side is adapted with the shape of the spheric washer described in two, and the spheric washer described in two is respectively against in described drive plate
Both sides.The setting of two spheric washers, can eliminate the indexable deviation of hook, realize accurate, the reliable indexing of hook.
The perisporium of described drive plate sets jagged, and limited block, described limited block are fixed with described drive plate
Close to described breach.The setting of breach, is easy to the installation of drive plate；Limited block can carry out spacing to the indexing of drive plate, prevent
Only depart from first annular groove in drive plate rotation process.
The outer end of described blind flange is provided with mistake proofing limited block, described mistake proofing limited block and is provided with neck, described
Neck be adapted with the shape of the boss on described motor casing.After motor casing clamping, its boss inlay card in neck so that
Motor casing only one of which setting angle on fixture, it is to avoid motor casing misplaces in process.
Compared with prior art, the advantage of the invention is that：Turnery processing motor casing disclosed by the invention is automatic with hydraulic pressure
Fixture, using Hydraumatic automatic clamping mode clamping fixing motor housing, convenient mounting and clamping, clamping efficiency is high, and clamping rigidity is strong, and it is clamped
Power stablizes adjustable, can significantly reduce clamping deformation, improves the machining accuracy of motor casing, it can be ensured that bearing chamber 0.005mm circle
Post degree, the crudy of lifting motor shell, reduces cost, increases the benefit；After the present invention is installed, main shaft is fixed on by packing
On, its packing position is fixed, and is easy to do the dynamic balancing of fixture, improves the dynamic balance performance of fixture, it is ensured that machining accuracy；Using this
When invention clamping fixing motor housing carries out turnery processing, without deliberately reducing cutting parameter, it is ensured that processing efficiency.
Brief description of the drawings
Fig. 1 is the front view of common motor casing；
Fig. 2 is the rearview of common motor casing；
Fig. 3 is the cut-away illustration of common motor casing；
Fig. 4 is the side view of embodiment fixture；
Fig. 5 is the structural representation of embodiment fixture；
Fig. 6 is design sketch after connecting shaft in embodiment fixture and hook connection；
Fig. 7 is the side view of motor casing and fixture clamping；
Fig. 8 is the structural representation of motor casing and fixture clamping.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Turnery processing motor casing hydraulic pressure automatic fixture as depicted, including hollow clamp body 1, the one of clamp body 1
Side is provided with packing 2, packing 2 and offered and main shaft（Not shown in figure）The packing taper hole 21 that is adapted of external diameter, on packing 2
Some soket head cap screws 22 for being threadedly coupled main shaft are installed, packing 2 is fixed with main shaft by some soket head cap screws 22
Connection, the opposite side of clamp body 1 is provided with blind flange 3, and the outer end of blind flange 3 is provided with mistake proofing limited block 31, mistake proofing limited block
Neck 32 is provided with 31, neck 32 is adapted with the shape of the boss 61 on motor casing 6, is provided with blind flange 3 indexable
Clamp system, be connected with pull bar 5 on clamp system, one end of pull bar 5 is passed from packing taper hole 21, and pull bar 5 is by hydraulic rotating
Oil cylinder（Not shown in figure）Driving, pull bar 5 is adapted with spindle taper hole, under the drive of pull bar 5, and clamp system is indexable and presss from both sides
Fasten motor casing 6.
Clamp system includes spaced two taper pins 41 and indexable multiple clamping units；Each clamping unit bag
A hook 42 and a connecting shaft 43 are included, connecting shaft 43 is connected to the tail end of hook 42, and connecting shaft 43 is connected with pull bar 5, even
Spindle 43 is arranged in the first mounting seat 44, and the first mounting seat 44 is fixed on blind flange 3, and the outer peripheral face of connecting shaft 43 is provided with spiral shell
Spin slot 45, helicla flute 45 includes the first axial groove 451, the axial groove of deep-slotted chip breaker 453 and second of the front and rear connection of rounding off successively
452, it is fixed with jackscrew 33, jackscrew 33 on blind flange 3 and is connected with guide pad 34, the end of guide pad 34 is plugged in helicla flute 45
It is interior, the locating dowel 35 for positioning motor shell 6 is threaded with blind flange 3, is added between locating dowel 35 and blind flange 3
High pad 36, locating dowel 35 is located at the inner side of hook 42；Each taper pin 41 is arranged in the second mounting seat 46, the second mounting seat 46
It is fixed on blind flange 3, the afterbody of each taper pin 41, which is provided with a compression spring 47, motor casing 6, to be provided with and two cones
After two corresponding motor casing taper holes 62 of the front end of pin 41, the clamping of motor casing 6, four hooks 42 hook motor casing 6, four simultaneously
Root locating dowel 35 withstands motor casing 6 simultaneously, and the front end of two taper pins 41 is respectively embedded into two motor casing taper holes 62.
The front end of pull bar 5 is connected with attachment screw 51, and attachment screw 51 includes threaded portion 52 and the connecting portion being wholely set
53, pull bar 5 is threadedly coupled with threaded portion 51, is arranged with drive plate 54, the outer peripheral face of every connecting shaft 43 and is set on connecting portion 53
First annular groove 431 is equipped with, the perisporium inlay card of drive plate 54 is in multiple first annular grooves 431, the perisporium of drive plate 54
Set and be fixed with limited block 56 on jagged 55, drive plate 54, limited block 56 is close to breach 55；Set on the outer peripheral face of connecting portion 53
The second annular groove 531 is equipped with, the both sides of the second annular groove 531 are separately installed with a spheric washer 57, and drive plate 54 is set
Put between two spheric washers 57, the two sides of drive plate 54 are adapted with the shape of two spheric washers 57, two spheres
Packing ring 57 is respectively against in the both sides of drive plate 54.
When above-mentioned fixture is installed, packing 2 is fixed on main shaft by some soket head cap screws 22, while plugging main shaft
In packing taper hole 21, in the insertion spindle taper hole of pull bar 5.When starting clamping, fixture is in releasing orientation, and pull bar 5 is pushed away before being located at
Position, four hooks 42 are by the effect pushed away before pull bar 5, in releasing orientation；Load after motor casing 6 to be processed, motor casing 6
On the inlay card of boss 61 in the neck 32 on mistake proofing limited block 31 so that the only one of which setting angle on fixture of motor casing 6,
Avoid motor casing 6 in process from misplacing, then, moved after hydraulic rotating hydraulic oil cylinder driving pull bar 5, pull bar 5 passes through the band of drive plate 54
While pressure after dynamic each connecting shaft 43, four pieces of guide pads 34 are slided along each helicla flute 45 respectively, when four pieces of guide pads 34 are moved
After entering in deep-slotted chip breaker 453, clamped condition is arrived in four indexings of hook 42, completes clamping；After the completion of clamping, you can turnery processing motor
A holes, B faces, C holes, D faces, E faces and the F holes of shell 6.After machining, hydraulic rotating hydraulic oil cylinder driving pull bar 5 moves forward, four hooks 42
Unclamp, you can unload the motor casing 6 processed.
Claims (7)
1. a kind of turnery processing motor casing hydraulic pressure automatic fixture, it is characterised in that including hollow clamp body, described fixture
The side of body is provided with the packing taper hole for offering and being adapted with the external diameter of main shaft on packing, described packing, described fixture
The opposite side of body, which is provided with blind flange, described blind flange, is provided with indexable clamp system, on described clamp system
Be connected with pull bar, one end of described pull bar is passed from described packing taper hole, described pull bar by hydraulic rotating hydraulic oil cylinder driving,
Described pull bar is adapted with spindle taper hole, under the drive of described pull bar, and described clamp system is indexable and clamps solid
Determine motor casing, described clamp system includes spaced some taper pins and indexable multiple clamping units；It is each described
Clamping unit include a hook and a connecting shaft, described connecting shaft is connected to the tail end of described hook, described
Connecting shaft is connected with described pull bar, and described connecting shaft is arranged in the first mounting seat, and the first described mounting seat is fixed on
On described blind flange, the outer peripheral face of described connecting shaft, which is provided with helicla flute, described blind flange, is fixed with jackscrew, described
Guide pad is connected with jackscrew, the end of described guide pad is plugged in described helicla flute, installed on described blind flange
There is the locating dowel for positioning described motor casing, described locating dowel is located at the inner side of described hook；Each described cone
Pin is arranged in second mounting seat, and the second described mounting seat is fixed on described blind flange, each described taper pin
Afterbody be provided with a compression spring, if being provided with described motor casing corresponding with the front end of described some taper pins
After dry motor casing taper hole, motor casing clamping, multiple hooks hook motor casing simultaneously, and many locating dowels withstand motor casing simultaneously, if
The front end of dry taper pin is respectively embedded into some motor casing taper holes；The front end of described pull bar is connected with attachment screw, described company
Threaded portion and connecting portion that screw includes being wholely set are connect, described pull bar is connected with described threaded portion, described company
Drive plate is arranged with socket part, first annular groove, described drive plate are provided with the outer peripheral face of the connecting shaft described in every
Perisporium inlay card in multiple described first annular grooves；The perisporium of described drive plate sets jagged, described transmission
Limited block is fixed with disk, described limited block is close to described breach.
2. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 1, it is characterised in that described folder
Tight mechanism includes spaced two taper pins and indexable four clamping units.
3. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 1, it is characterised in that described spiral shell
Spin slot includes the first axial groove, deep-slotted chip breaker and the second axial groove of the front and rear connection of rounding off successively.
4. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 1, it is characterised in that described determines
Position male screw is connected on described blind flange, and contour pad is added between described locating dowel and described blind flange.
5. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 1, it is characterised in that described disk
Some soket head cap screws for being threadedly coupled described main shaft are installed on root.
6. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 1, it is characterised in that described company
The second annular groove is provided with the outer peripheral face of socket part, the both sides of the second described annular groove are separately installed with a ball ring
Circle, described drive plate is arranged between the spheric washer described in two, the two sides of described drive plate with described in two
The shape of spheric washer is adapted, and the spheric washer described in two is respectively against in the both sides of described drive plate.
7. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 1, it is characterised in that described method
The outer end of orchid lid, which is provided with mistake proofing limited block, described mistake proofing limited block, is provided with neck, described neck and described electricity
The shape of boss on casing is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510262276.1A CN104907868B (en) | 2015-05-21 | 2015-05-21 | A kind of turnery processing motor casing hydraulic pressure automatic fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510262276.1A CN104907868B (en) | 2015-05-21 | 2015-05-21 | A kind of turnery processing motor casing hydraulic pressure automatic fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104907868A CN104907868A (en) | 2015-09-16 |
| CN104907868B true CN104907868B (en) | 2017-09-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510262276.1A Withdrawn - After Issue CN104907868B (en) | 2015-05-21 | 2015-05-21 | A kind of turnery processing motor casing hydraulic pressure automatic fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104907868B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105598727A (en) * | 2016-03-22 | 2016-05-25 | 云南丽江建福机床集团有限公司 | High-speed machining clamping device of lathe |
| CN105945624B (en) * | 2016-06-13 | 2017-11-07 | 宁波海天精工股份有限公司 | One kind processing thin-walled disk-like accessory clamping device |
| CN106670875B (en) * | 2017-02-21 | 2018-09-25 | 福安市裕兴机械有限公司 | Unstressed electric motor end cap processing tool |
| CN107617915A (en) * | 2017-10-19 | 2018-01-23 | 洛阳华冠齿轮股份有限公司 | A kind of new rotatable compression quick change construction |
| CN108031785A (en) * | 2017-12-01 | 2018-05-15 | 安徽新荣钢构有限公司 | A kind of Rectangular Parts end face forging fixing device |
| CN110744104B (en) * | 2018-07-24 | 2022-03-11 | 浙江富地机械有限公司 | Method for machining motor shell based on bottom-up drilling machine |
| CN109158904B (en) * | 2018-08-27 | 2020-12-25 | 马鞍山市兴隆铸造有限公司 | Hydraulic automatic clamp for turning motor shell with high machining precision |
| CN110125552B (en) * | 2019-05-27 | 2024-11-08 | 深圳市艾雷激光科技有限公司 | Rotary clamping device and marking equipment |
| CN114012121B (en) * | 2021-11-26 | 2024-01-26 | 江苏道斯特智能科技有限公司 | Clamp for numerical control machine tool |
| CN116944534B (en) * | 2023-07-27 | 2024-06-07 | 晋拓科技股份有限公司 | Lathe tool that autogyration was compressed tightly |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH670063A5 (en) * | 1985-08-24 | 1989-05-12 | Hauni Werke Koerber & Co Kg | |
| FR2608486B1 (en) * | 1986-12-17 | 1989-03-10 | Sandvik Tobler | COUPLING OR QUICK COUPLING DEVICE FOR TOOL HOLDER AND TIGHTENING DEVICE |
| CN202701848U (en) * | 2012-08-17 | 2013-01-30 | 长沙市沙电汽车零部件有限公司 | Numerical-control machining positioning clamp of generator aluminum cap |
| CN203712368U (en) * | 2013-12-10 | 2014-07-16 | 贵阳航空电机有限公司 | Sheet-type component inner hole turning clamp |
| CN203792067U (en) * | 2014-03-28 | 2014-08-27 | 蒋剑锋 | Turning tension and compression clamp |
| CN204135772U (en) * | 2014-09-09 | 2015-02-04 | 泸州长江机械有限公司 | Synchro converter ring tooth holder |
| CN104551796A (en) * | 2014-12-15 | 2015-04-29 | 苏州欧美克合金工具有限公司 | Cover plate hole centrifugal turning clamp |
| CN204748136U (en) * | 2015-05-21 | 2015-11-11 | 宁波海天精工股份有限公司 | Lathe work is hydraulic pressure automatic clamp for motor casing |
-
2015
- 2015-05-21 CN CN201510262276.1A patent/CN104907868B/en not_active Withdrawn - After Issue
Also Published As
| Publication number | Publication date |
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| CN104907868A (en) | 2015-09-16 |
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