CN108527211A - A kind of work holder - Google Patents
A kind of work holder Download PDFInfo
- Publication number
- CN108527211A CN108527211A CN201810718850.3A CN201810718850A CN108527211A CN 108527211 A CN108527211 A CN 108527211A CN 201810718850 A CN201810718850 A CN 201810718850A CN 108527211 A CN108527211 A CN 108527211A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- cavity
- wall
- chamber
- threaded rod
- 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- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
Abstract
The invention discloses a kind of work holders, including pedestal and it is fixedly installed on the rack of the pedestal top end surface, it is equipped with pre-and post perforative first in the rack and rotates chamber, rotating disc is rotatably provided with by rolling bearing in the first rotation chamber, the rotating disc outer circle is equipped with external toothing, pre-and post perforative cavity is equipped in the rotating disc inner circle, workpiece is equipped in the cavity, annular is provided with multigroup hydraulic device with workpiece pre-tightening cooperation in the cavity inner wall, installation cavity is equipped in the rotating disc, it is fixed with liquid reserve tank in the installation cavity, liquid storage cylinder is equipped in the liquid reserve tank, it is slidingly and sealingly provided with hydraulic plate in the liquid storage cylinder, the first threaded hole is equipped in the hydraulic plate, screw-thread fit is equipped with the first threaded rod in first threaded hole.
Description
Technical field
The present invention relates to workpiece processing technology, specifically a kind of work holder.
Background technology
It usually needs to grip workpiece using positioning component in workpiece process, the positioning group in tradition
Part be typically all by bolt tighten in the way of be fixed, such fixed form operation is extremely complex and laborious, using extremely
Inconvenience, also there is a more mechanical positioning component in existing, but it is after fixing workpiece, it is difficult to and realization circumferentially rotates adjusting,
To work pieces process bring greatly it is constant, there are larger defect, need to improve.
Invention content
Deficiency in view of the above technology, the present invention propose a kind of work holder.
A kind of work holder of apparatus of the present invention, including pedestal and it is fixedly installed on the pedestal top end surface
Rack is equipped with pre-and post perforative first in the rack and rotates chamber, rotatable by rolling bearing in the first rotation chamber
It is provided with rotating disc, the rotating disc outer circle is equipped with external toothing, pre-and post perforative cavity, institute are equipped in the rotating disc inner circle
It states and is equipped with workpiece in cavity, annular is provided with multigroup hydraulic device with workpiece pre-tightening cooperation, institute in the cavity inner wall
It states and is equipped with installation cavity in rotating disc, liquid reserve tank is fixed in the installation cavity, liquid storage cylinder, the storage are equipped in the liquid reserve tank
It is slidingly and sealingly provided with hydraulic plate in sap cavity, is equipped with the first threaded hole in the hydraulic plate, screw thread in first threaded hole
Cooperation is equipped with the first threaded rod, and first threaded rod bottom is rotatably set in the liquid storage cylinder inner bottom wall, and pushes up
Portion and the first motor be connected by power being fixedly installed in the liquid storage cylinder inner roof wall, the rotation disc-annular shape are provided with hydraulic pressure
Pipe, the hydraulic tube left and right ends be connected tos setting with the liquid storage cylinder, be respectively arranged in the pedestal upper and lower extension and with
Described first rotates the left sliding cavity of chamber connection and right sliding cavity, and left sliding shoe is slidably fitted in the left sliding cavity, described
Left sliding shoe right end face is provided with left rack, and the left mounting groove of opening upwards, institute are equipped in the left sliding shoe top end surface
The rotation axis that front and back extension is equipped in left mounting groove is stated, before the rotation axis front side end is rotatably set to the left mounting groove
In the inner wall of side, and rear side end is connected in the second motor power being fixedly installed in the left mounting groove rear side inner wall, described turn
It is fixed with first gear on moving axis, right sliding shoe, the right sliding shoe left end face are slidably fitted in the right sliding cavity
Equipped with right rack, the right sliding shoe top end surface is equipped with the right mounting groove of opening upwards, passes through fixation in the right mounting groove
Axis is fixedly installed second gear, and the second rotation chamber is provided with and communicated between the left sliding cavity and the right sliding cavity, described
It is provided with and communicated with the sliding groove to extend back in inner wall on rear side of second rotation chamber, sliding panel is slidably fitted in the sliding groove,
It is equipped with the second threaded hole for opening forward in the sliding panel, screw-thread fit, which is equipped with, in second threaded hole extends forward
Second threaded rod, the second threaded rod front side elongated end are stretched into the second rotation chamber and are rotated on front side of chamber with described second
Inner wall is rotatably assorted connection, be fixed on second threaded rod in the second rotation chamber and with the left rack and
The third gear that right rack is meshed is equipped with moving assembly in the pedestal, and the moving assembly includes corner post and movable pulley.
Further technical solution, the hydraulic device include the hydraulic column being fixedly installed on the cavity inner wall and
It is arranged and setting, the liquid is connected to the hydraulic tube by connecting tube with the hydraulic cavities in the hydraulic column, the hydraulic cavities
It is slidingly and sealingly provided with hydraulic stem in pressure chamber, the hydraulic stem is provided with limited block close to one end of the cavity inner wall, institute
The one end of hydraulic stem far from the limited block is stated outside the one end of the hydraulic column far from the cavity inner wall, and end is fixed
It is provided with pressing tight plate, is fixed on the end face of end face of the pressing tight plate far from the hydraulic column and holds out against piece.
Further technical solution is fixed with the top pressure spring to offset with the limited block in the hydraulic pressure cavity wall.
Further technical solution, the pedestal front end face, which is rotatably assorted, to be equipped with and the second threaded rod front side end
The rotational handle that face is fixedly connected.
Further technical solution, the corner post are fixedly installed on four angles of pedestal bottom respectively, and each described
Bottom is rotatably provided with the movable pulley in corner post.
The beneficial effects of the invention are as follows：
Apparatus of the present invention in the initial state, are full of hydraulic oil, the left sliding shoe in the liquid storage cylinder and the hydraulic tube
Bottom end face offsets with the left sliding cavity inner bottom wall, and the first gear is detached from the external toothing to be coordinated, the right sliding
Block is located at the right sliding cavity top position, and the second gear is connect with the external toothing lock fit, thus can be prevented
It only shakes in the workpiece process, is greatly improved processing precision；
In use, workpiece is interspersed in from front to back in the cavity, the first motor rotation, first electricity are then controlled
The hydraulic plate slide downward can be controlled by the first threaded rod after machine rotation, the hydraulic plate slide downward can be by the liquid storage
Hydraulic oil in chamber is pressed by the hydraulic tube in the hydraulic cavities, so as to implement top pressure, Jin Erke to the hydraulic stem
Workpiece is carried out by the pressing tight plate to hold out against operation, to which stability when processing is fixed can be improved, processing efficiency can be improved
And processing effect；
When being adjusted in operating process if you need to carry out rotation to the workpiece, second threaded rod is driven to turn by rotational handle
Dynamic, on the one hand the second threaded rod rotation can drive the sliding panel forward slip, on the other hand can pass through the third tooth
Wheel respectively drives the left sliding shoe upward sliding and the right sliding shoe slide downward, when the right sliding shoe bottom end face
When offseting with the right sliding cavity inner bottom wall, the second gear is disconnected with the external toothing, and at the same time described
One gear is meshed with the external toothing, can be driven rotating disc drive institute by controlling the second motor rotation at this time
It states workpiece and carries out rotation adjusting, to which device practicability can be improved, meet different workpieces process requirements.
Apparatus of the present invention, it is simple in structure, it is easy to operate, it can be achieved that the fixed operation in workpiece process, it can be improved
Simplicity when fixed and stability, while there is rotation regulatory function, different workpieces process requirements can be met, improved practical
Property.
Description of the drawings
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art
Attached drawing is briefly described needed in technology description, it should be apparent that, the accompanying drawings in the following description is only to invent
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of work holder of the present invention.
Fig. 2 is arrow direction structural schematic diagram in Fig. 1.
Fig. 3 is the structural schematic diagram at A in Fig. 1.
Fig. 4 is the structural schematic diagram at B in Fig. 1.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive spy
Other than sign and/or step, it can combine in any way.
This specification（Including any accessory claim, abstract and attached drawing）Disclosed in any feature, except non-specifically chatting
It states, can be equivalent by other or be replaced with similar purpose alternative features.That is, unless specifically stated, each feature is
An example in a series of equivalent or similar characteristics.
As shown in Figs 1-4, a kind of work holder of apparatus of the present invention, including pedestal 10 and be fixedly installed on described
The rack 11 of 10 top end surface of pedestal is equipped with pre-and post perforative first in the rack 11 and rotates chamber 12, the first rotation chamber
Rotating disc 15 is rotatably provided with by rolling bearing 13 in 12,15 outer circle of the rotating disc is equipped with external toothing 14, described
It is equipped with pre-and post perforative cavity 34 in 15 inner circle of rotating disc, workpiece 33,34 inner wall middle ring of the cavity are equipped in the cavity 34
Shape is provided with multigroup hydraulic device that cooperation is held out against with the workpiece 33, and installation cavity, the installation are equipped in the rotating disc 15
It is fixed with liquid reserve tank 35 in chamber, liquid storage cylinder 36 is equipped in the liquid reserve tank 35, is slidingly and sealingly arranged in the liquid storage cylinder 36
There is hydraulic plate 37, is equipped with the first threaded hole in the hydraulic plate 37, screw-thread fit is equipped with the first spiral shell in first threaded hole
Rasp bar 39,39 bottom of the first threaded rod are rotatably set in 36 inner bottom wall of the liquid storage cylinder, and top is set with fixation
38 be connected by power of first motor being placed in 36 inner roof wall of the liquid storage cylinder, 15 annular of the rotating disc are provided with hydraulic tube 16,
16 left and right ends of the hydraulic tube are connected to setting with the liquid storage cylinder 36, be respectively arranged in the pedestal 10 up and down extend and
The left sliding cavity 17 and right sliding cavity 31 that chamber 12 is connected to are rotated with described first, a left side is slidably fitted in the left sliding cavity 17
Sliding shoe 21,21 right end face of left sliding shoe are provided with left rack 22, are equipped with and open in 21 top end surface of left sliding shoe
Mouthful upward left mounting groove 20 is equipped with the rotation axis 19 of front and back extension, 19 front side end of the rotation axis in the left mounting groove 20
It is rotatably set in 20 front inner wall of left mounting groove, and rear side end is in being fixedly installed on the rear side of the left mounting groove 20
The second motor power in inner wall connects, and first gear 18 is fixed in the rotation axis 19, is slided in the right sliding cavity 31
Dynamic to be equipped with right sliding shoe 28,28 left end face of right sliding shoe is equipped with right rack 26,28 top end surface of right sliding shoe
Right mounting groove 29 equipped with opening upwards is fixedly installed second gear 31, institute in the right mounting groove 29 by fixing axle 30
It states and is provided with and communicated with the second rotation chamber 25 between left sliding cavity 17 and the right sliding cavity 27, in 25 rear side of the second rotation chamber
It is provided with and communicated with the sliding groove 48 to extend back in wall, sliding panel 49, the sliding panel are slidably fitted in the sliding groove 48
The second threaded hole 50 for opening forward is equipped in 49, screw-thread fit is equipped with second extended forward in second threaded hole 50
Threaded rod 23, second threaded rod, 23 front side elongated end stretch into the second rotation chamber 25 and rotate chamber 25 with described second
Front inner wall is rotatably assorted connection, be fixed on second threaded rod 23 in the second rotation chamber 25 and with it is described
The third gear 24 that left rack 22 and right rack 26 are meshed is equipped with moving assembly, the moving assembly packet in the pedestal 10
Include corner post 71 and movable pulley 72.
Valuably or illustratively, wherein the hydraulic device includes the liquid being fixedly installed on 34 inner wall of the cavity
Compression leg 41 and setting and the hydraulic cavities 42 in the hydraulic column 41, the hydraulic cavities 42 pass through connecting tube 47 and the hydraulic pressure
The connection of pipe 16 is arranged, and is slidingly and sealingly provided with hydraulic stem 43 in the hydraulic cavities 42, the hydraulic stem 43 is close to the cavity
One end of 34 inner walls is provided with limited block 44, and the hydraulic column 41 is run through in the one end of the hydraulic stem 43 far from the limited block 44
Outside one end far from 34 inner wall of the cavity, and end is fixedly installed pressing tight plate 45, and the pressing tight plate 45 is far from the hydraulic pressure
It is fixed on the end face of the end face of column 41 and holds out against piece 46.
Valuably or illustratively, wherein be fixed in 42 inner wall of the hydraulic cavities and offset with the limited block 44
Top pressure spring 50.
Valuably or illustratively, wherein 10 front end face of the pedestal, which is rotatably assorted, to be equipped with and second screw thread
The rotational handle 51 that 23 front end face of bar is fixedly connected.
Valuably or illustratively, wherein the corner post 71 is fixedly installed on 10 4 angles of pedestal bottom respectively, and
Bottom is rotatably provided with the movable pulley 72 in each corner post 71, can facilitate the present apparatus by the movable pulley 72
Mobile carrying.
Apparatus of the present invention in the initial state, are full of hydraulic oil in the liquid storage cylinder 36 and the hydraulic tube 16, described
21 bottom end face of left sliding shoe offsets with 17 inner bottom wall of left sliding cavity, and the first gear 18 is detached from the external toothing 14
Cooperation, the right sliding shoe 28 are located at 27 top position of right sliding cavity, and the second gear 31 and the external toothing
14 lock fits connect, and 49 back end surface of the sliding panel offsets with 48 rear side inner wall of the sliding groove, and second screw thread
Bar 23 is connected with second threaded rod 23.
In use, workpiece 33 is interspersed in from front to back in the cavity 34, the rotation of the first motor 38 is then controlled,
The first motor 38 can control 37 slide downward of the hydraulic plate after rotating by the first threaded rod 39, the hydraulic plate 37 to
Hydraulic oil in the liquid storage cylinder 36 can be pressed by the hydraulic tube 16 in the hydraulic cavities 42 by lower slider, so as to institute
It states hydraulic stem 43 and implements top pressure, and then workpiece 33 can be carried out by the pressing tight plate 45 holding out against operation, it thus can be to workpiece 33
It is processed operation；
When being adjusted in operating process if you need to carry out rotation to the workpiece 33, second threaded rod is driven by rotational handle 51
On the one hand 23 rotations, the rotation of the second threaded rod 23 can drive 49 forward slip of the sliding panel, on the other hand can pass through institute
It states third gear 24 and respectively drives 21 upward sliding of left sliding shoe and 28 slide downward of right sliding shoe, when the right side
When 28 bottom end face of sliding shoe offsets with 27 inner bottom wall of right sliding cavity, the second gear 31 is detached from the external toothing 14
Connection, and at the same time the first gear 18 is meshed with the external toothing 14, is turned at this time by controlling second motor
The dynamic rotating disc 15 that can be driven drives the workpiece 33 to carry out rotation adjusting, and controlling second motor after the completion of adjusting stops
Rotation stop is dynamic.
The beneficial effects of the invention are as follows：
Apparatus of the present invention in the initial state, are full of hydraulic oil, the left sliding shoe in the liquid storage cylinder and the hydraulic tube
Bottom end face offsets with the left sliding cavity inner bottom wall, and the first gear is detached from the external toothing to be coordinated, the right sliding
Block is located at the right sliding cavity top position, and the second gear is connect with the external toothing lock fit, thus can be prevented
It only shakes in the workpiece process, is greatly improved processing precision；
In use, workpiece is interspersed in from front to back in the cavity, the first motor rotation, first electricity are then controlled
The hydraulic plate slide downward can be controlled by the first threaded rod after machine rotation, the hydraulic plate slide downward can be by the liquid storage
Hydraulic oil in chamber is pressed by the hydraulic tube in the hydraulic cavities, so as to implement top pressure, Jin Erke to the hydraulic stem
Workpiece is carried out by the pressing tight plate to hold out against operation, to which stability when processing is fixed can be improved, processing efficiency can be improved
And processing effect；
When being adjusted in operating process if you need to carry out rotation to the workpiece, second threaded rod is driven to turn by rotational handle
Dynamic, on the one hand the second threaded rod rotation can drive the sliding panel forward slip, on the other hand can pass through the third tooth
Wheel respectively drives the left sliding shoe upward sliding and the right sliding shoe slide downward, when the right sliding shoe bottom end face
When offseting with the right sliding cavity inner bottom wall, the second gear is disconnected with the external toothing, and at the same time described
One gear is meshed with the external toothing, can be driven rotating disc drive institute by controlling the second motor rotation at this time
It states workpiece and carries out rotation adjusting, to which device practicability can be improved, meet different workpieces process requirements.
Apparatus of the present invention, it is simple in structure, it is easy to operate, it can be achieved that the fixed operation in workpiece process, it can be improved
Simplicity when fixed and stability, while there is rotation regulatory function, different workpieces process requirements can be met, improved practical
Property.
The basic principles, main features and advantages of the present invention have 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 what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (5)
1. a kind of work holder, including pedestal and the rack for being fixedly installed on the pedestal top end surface, feature exist
In：It is equipped with pre-and post perforative first in the rack and rotates chamber, is rotatably set by rolling bearing in the first rotation chamber
It is equipped with rotating disc, the rotating disc outer circle is equipped with external toothing, and pre-and post perforative cavity is equipped in the rotating disc inner circle, described
Workpiece is equipped in cavity, annular is provided with multigroup hydraulic device with workpiece pre-tightening cooperation in the cavity inner wall, described
It is equipped with installation cavity in rotating disc, liquid reserve tank is fixed in the installation cavity, liquid storage cylinder, the liquid storage are equipped in the liquid reserve tank
It is slidingly and sealingly provided with hydraulic plate in chamber, is equipped with the first threaded hole in the hydraulic plate, screw thread is matched in first threaded hole
Conjunction is equipped with the first threaded rod, and first threaded rod bottom is rotatably set in the liquid storage cylinder inner bottom wall, and top
With the first motor be connected by power being fixedly installed in the liquid storage cylinder inner roof wall, the rotation disc-annular shape is provided with hydraulic tube,
The hydraulic tube left and right ends are connected to setting with the liquid storage cylinder, be respectively arranged in the pedestal up and down extend and with it is described
First rotates the left sliding cavity of chamber connection and right sliding cavity, and left sliding shoe, the left cunning are slidably fitted in the left sliding cavity
Motion block right end face is provided with left rack, and the left mounting groove of opening upwards, the left side are equipped in the left sliding shoe top end surface
The rotation axis of front and back extension is equipped in mounting groove, the rotation axis front side end is rotatably set in the left mounting groove front side
In wall, and rear side end is in the second motor power connection being fixedly installed on rear side of the left mounting groove in inner wall, the rotation axis
On be fixed with first gear, right sliding shoe is slidably fitted in the right sliding cavity, the right sliding shoe left end face is equipped with
Right rack, the right sliding shoe top end surface are equipped with the right mounting groove of opening upwards, are consolidated by fixing axle in the right mounting groove
Surely it is provided with second gear, is provided with and communicated with the second rotation chamber between the left sliding cavity and the right sliding cavity, described second
It is provided with and communicated with the sliding groove to extend back in inner wall on rear side of rotation chamber, sliding panel is slidably fitted in the sliding groove, it is described
The second threaded hole for opening forward is equipped in sliding panel, screw-thread fit is equipped with second extended forward in second threaded hole
Threaded rod, the second threaded rod front side elongated end stretch into the second rotation chamber and rotate chamber front inner wall with described second
Be rotatably assorted connection, be fixed on second threaded rod positioned at it is described second rotation chamber in and with the left rack and right tooth
The third gear that item is meshed is equipped with moving assembly in the pedestal, and the moving assembly includes corner post and movable pulley.
2. a kind of work holder according to claim 1, it is characterised in that：The hydraulic device includes fixed setting
The hydraulic column on wall and setting and the hydraulic cavities in the hydraulic column, the hydraulic cavities pass through connecting tube in the cavity
It is connected to setting with the hydraulic tube, hydraulic stem is slidingly and sealingly provided in the hydraulic cavities, the hydraulic stem is close to the sky
One end of cavity wall is provided with limited block, and the one end of the hydraulic stem far from the limited block is through the hydraulic column far from described
Outside one end of cavity inner wall, and end is fixedly installed pressing tight plate, the end face of end face of the pressing tight plate far from the hydraulic column
On be fixed with and hold out against piece.
3. a kind of work holder according to claim 2, it is characterised in that：It is fixed in the hydraulic pressure cavity wall
The top pressure spring to offset with the limited block.
4. a kind of work holder according to claim 1, it is characterised in that：The pedestal front end face is rotatably assorted
The rotational handle being fixedly connected with the second threaded rod front end face is installed.
5. a kind of work holder according to claim 1, it is characterised in that：The corner post is fixedly installed on institute respectively
Four angles of pedestal bottom is stated, and bottom is rotatably provided with the movable pulley in each corner post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810718850.3A CN108527211A (en) | 2018-06-29 | 2018-06-29 | A kind of work holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810718850.3A CN108527211A (en) | 2018-06-29 | 2018-06-29 | A kind of work holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108527211A true CN108527211A (en) | 2018-09-14 |
Family
ID=63487789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810718850.3A Withdrawn CN108527211A (en) | 2018-06-29 | 2018-06-29 | A kind of work holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108527211A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605066A (en) * | 2019-01-07 | 2019-04-12 | 九江职业技术学院 | A kind of machining automatic positioning equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB157618A (en) * | 1919-11-26 | 1921-01-27 | Harold Charles Waterer | Universal ball bearing lathe steady |
| US3851869A (en) * | 1973-07-18 | 1974-12-03 | Savage W Co Inc | Rotatable chuck for supporting elongate work piece |
| GB2070489A (en) * | 1980-02-27 | 1981-09-09 | Gfm Fertigungstechnik | Intermediate workpiece supporting in crankshaft or camshaft milling |
| CN104526370A (en) * | 2014-12-13 | 2015-04-22 | 天水星火机床有限责任公司 | Center rest for crank shaft rod journal lathe |
| CN105442878A (en) * | 2015-12-29 | 2016-03-30 | 芜湖华强文化科技产业有限公司 | Seat control device for dramatic stage watching |
-
2018
- 2018-06-29 CN CN201810718850.3A patent/CN108527211A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB157618A (en) * | 1919-11-26 | 1921-01-27 | Harold Charles Waterer | Universal ball bearing lathe steady |
| US3851869A (en) * | 1973-07-18 | 1974-12-03 | Savage W Co Inc | Rotatable chuck for supporting elongate work piece |
| GB2070489A (en) * | 1980-02-27 | 1981-09-09 | Gfm Fertigungstechnik | Intermediate workpiece supporting in crankshaft or camshaft milling |
| CN104526370A (en) * | 2014-12-13 | 2015-04-22 | 天水星火机床有限责任公司 | Center rest for crank shaft rod journal lathe |
| CN105442878A (en) * | 2015-12-29 | 2016-03-30 | 芜湖华强文化科技产业有限公司 | Seat control device for dramatic stage watching |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605066A (en) * | 2019-01-07 | 2019-04-12 | 九江职业技术学院 | A kind of machining automatic positioning equipment |
| CN109605066B (en) * | 2019-01-07 | 2020-07-24 | 九江职业技术学院 | Automatic positioning device for machining |
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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 |
Application publication date: 20180914 |
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| WW01 | Invention patent application withdrawn after publication |