CN108789030A - A kind of Fluid valve manufacture grinding device - Google Patents
A kind of Fluid valve manufacture grinding device Download PDFInfo
- Publication number
- CN108789030A CN108789030A CN201810678104.6A CN201810678104A CN108789030A CN 108789030 A CN108789030 A CN 108789030A CN 201810678104 A CN201810678104 A CN 201810678104A CN 108789030 A CN108789030 A CN 108789030A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- fluid valve
- grinding device
- pedestal
- bottom end
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a kind of Fluid valve manufacture grinding devices, it is related to Fluid valve manufacturing technology field, including pedestal, the top middle portion side of pedestal is fixedly connected with the bottom end of telescopic device, the top of telescopic device is fixedly connected with the bottom end of connecting rod, the both ends of connecting rod have been respectively fixedly connected with the first lifting gear and the second lifting gear, the side of first lifting gear is provided with vertical plate, the top of vertical plate is provided with first rotating shaft, it is fixedly connected with gear in the middle part of one end of first rotating shaft, the side of gear is provided with threaded rod, the center bottom of threaded rod is fixedly connected with one end of the second shaft, the other end of second shaft is fixedly connected with handle.The Fluid valve manufacture grinding device, can make support plate achieve the effect that raising and lowering, and the Fluid valve manufacture is made to have achieved the effect that polish to the Fluid valve of different-thickness with grinding device.
Description
Technical field
The present invention relates to Fluid valve manufacturing technology field, specially a kind of Fluid valve manufacture grinding device.
Background technology
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the functions such as overflow pressure relief, it is used for the valve of fluid control systems, from simplest shut-off valve to extremely complex robot control system(RCS)
Used in various valves, kind and specification are quite various, valve can be used for controlling empty gas and water, steam, various corrosivity be situated between
The flowing of the various types fluid such as matter, mud, oil product, liquid metal and radiating medium, valve in the fabrication process, need to make
Sanding operation is carried out to it with grinding device.But with grinding device, there is some to ask for Fluid valve manufacture on the market at present
Topic, in bruting process, what most of grinding devices cannot polish to different-thickness and different size of Fluid valve lacks
Point, for above-mentioned problem, we are badly in need of a kind of Fluid valve manufacture and solve grinding device to different-thickness with grinding device
The problem of being polished with different size of Fluid valve.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of Fluid valve manufacture grinding device, solves existing
Fluid valve manufacture grinding device, the problem of cannot polishing different-thickness and different size of Fluid valve.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of Fluid valve manufacture polishing
Device, including pedestal, the top middle portion side of the pedestal are fixedly connected with the bottom end of telescopic device, the top of the telescopic device
End is fixedly connected with the bottom end of connecting rod, and the both ends of the connecting rod have been respectively fixedly connected with the first lifting gear and the second lifting
Device, the side of first lifting gear are provided with vertical plate, and the top of the vertical plate is provided with first rotating shaft, and described
It is fixedly connected with gear in the middle part of one end of one shaft, the side of the gear is provided with threaded rod, in the bottom end of the threaded rod
Portion is fixedly connected with one end of the second shaft, and the other end of second shaft is fixedly connected with handle, the top of the connecting rod
It is fixedly connected with the bottom end of support plate, the top both sides of the support plate have been fixedly connected with fixed plate, the side of the fixed plate
It is fixedly connected with one end of resetting spring, the other end of the resetting spring is fixedly connected with sliding panel；
First lifting gear and the second lifting gear include fixed block, interior bar and loop bar, the top of the fixed block
End middle part is fixedly connected with one end of fixed link, is provided with loop bar above the fixed block, inserting groove is offered in the loop bar,
The other end of the interior bar and inserting groove grafting, the side bottom end of one of them loop bar is provided with positioner.
Optionally, the side of another loop bar is fixedly connected with gear bar, and the gear bar is with gear by nibbling
Close connection.
Optionally, the side of one of interior bar is at least provided with three card slots, multiple card slots the side of interior bar from
It is equally distributed successively under.
Optionally, the bottom end of the vertical plate is fixedly connected with the top of pedestal, and the other end of the first rotating shaft passes through
Bearing is flexibly connected with vertical plate, and the bottom end of the fixed block is fixedly connected with the top of pedestal.
Optionally, lower section of the other end of second shaft through pedestal and positioned at pedestal, the handle are located at pedestal
Lower section.
Optionally, the telescopic device includes fixed link, motion bar, slide plate and spring, the bottom end and bottom of the fixed link
The top of seat is fixedly connected, and the top of the motion bar is fixedly connected with the bottom end of connecting rod.
Optionally, it being provided with slide plate in the middle part of the fixed link inner cavity, the bottom end of the slide plate is fixedly connected with one end of spring,
The top of the slide plate is fixedly connected with the bottom end of motion bar, and the top of the motion bar is run through the top middle portion of fixed link and is located at
The outside of fixed link, the other end of the spring are fixedly connected with the bottom end inner wall of fixed link.
Optionally, the top both sides of the pedestal have been fixedly connected with vertical supporting column, two vertical supporting columns it
Between connected by roof supporting.
Optionally, the center bottom of the roof supporting is fixedly connected with the top of driving motor, the bottom of the driving motor
End middle part is connected with polishing pad by bearing.
Optionally, the both ends of the roof supporting are fixedly connected with the side of two vertical supporting columns respectively, the pedestal
Bottom end both sides be fixedly connected with support leg.
(3) advantageous effect
The present invention provides a kind of Fluid valve manufacture grinding devices, have following advantageous effect：
(1), the Fluid valve manufacture grinding device places Fluid valve to be polished on the supporting plate, by stretching
Matching between compression apparatus, the first lifting gear, the second lifting gear, first rotating shaft, gear, threaded rod, the second shaft and handle
Setting is closed, support plate can be made to achieve the effect that raising and lowering, the Fluid valve manufacture grinding device is made to have reached to not
The effect that the Fluid valve of stack pile is polished, solving existing Fluid valve manufacture grinding device cannot be to different thickness
The case where Fluid valve of degree is polished.
(2), the Fluid valve manufacture grinding device is placed Fluid valve to be polished on the supporting plate, by solid
Being equipped between fixed board, resetting spring and sliding panel makes the Fluid valve manufacture grinding device reach to different big
Small Fluid valve carries out polishing effect, while the Fluid valve for treating polishing also plays a fixed function, solves existing
The case where some Fluid valve manufactures cannot polish to different size of Fluid valve with grinding device.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of the first lifting gear of the invention；
Fig. 3 is the structural schematic diagram of the second lifting gear of the invention；
Fig. 4 is the structural schematic diagram of telescopic device of the present invention.
In figure：Pedestal 1, telescopic device 2, fixed link 201, motion bar 202, slide plate 203, spring 204, connecting rod 3, first
Lifting gear 4, fixed block 401, interior bar 402, loop bar 403, positioner 404, the second lifting gear 5, first rotating shaft 6, gear
7, threaded rod 8, the second shaft 9, handle 10, support plate 11, fixed plate 12, resetting spring 13, sliding panel 14, vertical supporting column
15, roof supporting 16, driving motor 17, polishing pad 18, support leg 19.
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 embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection ",
Terms such as " fixations " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；Can be that machinery connects
It connects；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of Fluid valve manufacture grinding device, including bottom
Seat 1, the top middle portion side of pedestal 1 is fixedly connected with the bottom end of telescopic device 2, the bottom on the top and connecting rod 3 of telescopic device 2
End is fixedly connected, and the both ends of connecting rod 3 have been respectively fixedly connected with the first lifting gear 4 and the second lifting gear 5, the first lifting dress
The side for setting 4 is provided with vertical plate, and the top of vertical plate is provided with first rotating shaft 6, is fixedly connected in the middle part of one end of first rotating shaft 6
There are gear 7, the side of gear 7 to be provided with threaded rod 8, the center bottom of threaded rod 8 is fixedly connected with one end of the second shaft 9, the
The other end of two shafts 9 is fixedly connected with handle 10, and rotation threaded rod 8 can be rotated with moving gear 7, and the top of connecting rod 3 is solid
Surely the bottom end of support plate 11 is connected, the top both sides of support plate 11 have been fixedly connected with fixed plate 12, and the side of fixed plate 12 is solid
Surely one end of resetting spring 13 is connected, the other end of resetting spring 13 is fixedly connected with sliding panel 14, by fluid valve to be polished
Door is placed in support plate 11, by being equipped between fixed plate 12, resetting spring 13 and sliding panel 14, makes the fluid valve
Door manufacture has reached the Fluid valve for carrying out polishing effect to different size of Fluid valve, while treating polishing with grinding device
A fixed function is also played, solving existing Fluid valve manufacture grinding device cannot be to different size of fluid valve
The case where door is polished, Fluid valve to be polished is placed in support plate 11, is lifted and is filled by telescopic device 2, first
Set being equipped between the 4, second lifting gear 5, first rotating shaft 6, gear 7, threaded rod 8, the second shaft 9 and handle 10, energy
So that support plate 11 is achieved the effect that raising and lowering, the Fluid valve manufacture grinding device is made to have reached to different-thickness
The effect that Fluid valve is polished, solving existing Fluid valve manufacture grinding device cannot be to the fluid of different-thickness
The case where valve is polished；
First lifting gear 4 and the second lifting gear include fixed block 401, interior bar 402 and loop bar 403, fixed block 401
Top middle portion be fixedly connected with one end of fixed link 401, the top of fixed block 401 is provided with loop bar 403, is opened up in loop bar 403
There is inserting groove, the other end and the inserting groove grafting of interior bar 402, the side bottom end of one of loop bar 403 is provided with positioner
404, positioner 404 includes pull rod, limit spring and fixture block, and one end of fixture block is fixedly connected with one end of pull rod, pull rod it is another
The one side wall of loop bar 403 and the outside positioned at loop bar 403 are run through in one end, are socketed with spring on the outside of pull rod, pass through fixture block and card
Slot is equipped with, and the loop bar 403 after lifting can be fixed, loop bar 403 rises to different height, passes through fixture block
It is fixed with card slot, the purpose polished the Fluid valve of different-thickness is realized with this.
A kind of optional technical solution as the present invention：The side of another loop bar 403 is fixedly connected with gear bar, tooth
Wheel item, by engaging connection, by the rotation of gear 12, can drive moving up and down for gear bar with gear 7.
A kind of optional technical solution as the present invention：The side of one of interior bar 402 is more at least provided with three card slots
A card slot is equally distributed successively from top to bottom in the side of interior bar 402, and fixture block is inserted into inside card slot, can be by loop bar
403 fix.
A kind of optional technical solution as the present invention：The bottom end of vertical plate is fixedly connected with the top of pedestal 1, first turn
The other end of axis 6 is flexibly connected by bearing with vertical plate, and the bottom end of fixed block 401 is fixedly connected with the top of pedestal 1, is passed through
Bearing facilitates the rotation of first rotating shaft 6.
A kind of optional technical solution as the present invention：The other end of second shaft 9 is through pedestal 1 and positioned at pedestal 1
Lower section, handle 10 are located at the lower section of pedestal 1, and the setting of handle 10 facilitates the rotation of the second shaft 9.
A kind of optional technical solution as the present invention：Telescopic device 2 includes fixed link 201, motion bar 202, slide plate 203
It is fixedly connected with the top of pedestal 1 with the bottom end of spring 204, fixed link 201, the bottom end on the top and connecting rod 3 of motion bar 202
It is fixedly connected.
A kind of optional technical solution as the present invention：It is provided with slide plate 203 in the middle part of 201 inner cavity of fixed link, slide plate 203
Bottom end is fixedly connected with one end of spring 204, and the top of slide plate 203 is fixedly connected with the bottom end of motion bar 202, the top of motion bar 202
Top middle portion of the end through fixed link 201 and the outside positioned at fixed link 201, the bottom of the other end and fixed link 201 of spring 201
End inner wall is fixedly connected, and the both sides inner wall of fixed link 201 offers sliding slot, and slide plate 203 can move up and down by sliding slot, living
Lever 202 can move up and down by slide plate 203.
A kind of optional technical solution as the present invention：The top both sides of pedestal 1 have been fixedly connected with vertical supporting column 15,
It is connected by roof supporting 16 between two vertical supporting columns 15, vertical supporting column 15 plays roof supporting 16 and fixes and supports
Effect.
A kind of optional technical solution as the present invention：The center bottom of roof supporting 16 is fixedly connected with driving motor
17, driving motor 17 is connected with polishing pad 18 by bearing, and driving motor 17 can drive polishing pad 18 to carry out normal work
Make, realizes the polishing to Fluid valve.
A kind of optional technical solution as the present invention：The both ends of roof supporting 16 respectively with two vertical supporting columns 15
Side is fixedly connected, and the bottom end both sides of pedestal 1 have been fixedly connected with support leg 19, and support leg 19 plays support to whole device
Effect.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating currents, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
In conclusion the Fluid valve manufacture grinding device, in use, user is first by sliding panel 14 to close to solid
The direction of fixed board 14 pushes, when sliding panel 14 be pushed to when the size for the Fluid valve polished mutually suitable position, general
Fluid valve to be polished is placed in support plate 11, and resetting spring 13 is in compressive state at this time, and user hauls pull rod band
Direction movement of the dynamic fixture block far from card slot, when fixture block and exact separation, limit spring is in compressive state, then turns clockwise
Dynamic handle 10, handle 10 drive the second shaft 9 and threaded rod 8 to rotate, and threaded rod 8 is rotated with moving gear 7, and gear 7 was rotating
One of loop bar 403 is driven to move up by gear bar in journey, one of loop bar 403 is during moving up, band
Dynamic connecting rod 3 and motion bar 202 move up, at the same another loop bar 403 being fixedly connected by connecting rod 3 also and then to
Upper movement, at this time support plate 11 push and moved up by loop bar 403, connecting rod 3 and motion bar 202, when support plate 11 is to moving up
It moves with when the thickness for the Fluid valve polished suitable height, stop operating handle 10, and releasing lever, limit spring is extensive
During multiple reset condition, limit spring drives fixture block to be moved to close to the direction of card slot, in fixture block insertion card slot, loop bar
403 are fixed, and then open driving motor 17, and driving motor 17 drives polishing pad 18 to work, polishes Fluid valve.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact "up" or "down".
Moreover, fisrt feature second feature " on ", " top " and " above " but fisrt feature right over second feature or tiltedly
Top, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature second feature " under ", " lower section " and
" following " can be that fisrt feature is directly under or diagonally below the second feature, or be merely representative of fisrt feature level height and be less than the
Two features.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of Fluid valve manufacture grinding device, including pedestal (1), it is characterised in that：The top middle portion of the pedestal (1)
Side is fixedly connected with the bottom end of telescopic device (2), and the top of the telescopic device (2) is fixed with the bottom end of connecting rod (3) to be connected
It connecing, the both ends of the connecting rod (3) have been respectively fixedly connected with the first lifting gear (4) and the second lifting gear (5), and described first
The side of lifting gear (4) is provided with vertical plate, and the top of the vertical plate is provided with first rotating shaft (6), the first rotating shaft
(6) it is fixedly connected with gear (7) in the middle part of one end, the side of the gear (7) is provided with threaded rod (8), the threaded rod (8)
Center bottom be fixedly connected with one end of the second shaft (9), the other end of second shaft (9) is fixedly connected with handle
(10), the top of the connecting rod (3) is fixedly connected with the bottom end of support plate (11), and the top both sides of the support plate (11) are solid
Surely it is connected with fixed plate (12), the side of the fixed plate (12) is fixedly connected with one end of resetting spring (13), the reset bullet
The other end of spring (13) is fixedly connected with sliding panel (14)；
First lifting gear (4) and the second lifting gear include fixed block (401), interior bar (402) and loop bar (403),
The top middle portion of the fixed block (401) is fixedly connected with one end of fixed link (401), the top setting of the fixed block (401)
There is loop bar (403), inserting groove, the other end of the interior bar (402) and inserting groove grafting offered in the loop bar (403),
In the side bottom end of a loop bar (403) be provided with positioner (404).
2. a kind of Fluid valve manufacture grinding device according to claim 1, it is characterised in that：Another described set
The side of bar (403) is fixedly connected with gear bar, and the gear bar is with gear (7) by engaging connection.
3. a kind of Fluid valve manufacture grinding device according to claim 1, it is characterised in that：One of interior bar
(402) side at least provided with three card slots, multiple card slots the side of interior bar (402) from top to bottom successively equally
Distribution.
4. a kind of Fluid valve manufacture grinding device according to claim 1, it is characterised in that：The bottom of the vertical plate
End is fixedly connected with the top of pedestal (1), and the other end of the first rotating shaft (6) is flexibly connected by bearing with vertical plate, institute
The bottom end for stating fixed block (401) is fixedly connected with the top of pedestal (1).
5. a kind of Fluid valve manufacture grinding device according to claim 1, it is characterised in that：Second shaft
(9) lower section of the other end through pedestal (1) and positioned at pedestal (1), the handle (10) are located at the lower section of pedestal (1).
6. a kind of Fluid valve manufacture grinding device according to claim 1, it is characterised in that：The telescopic device
(2) include fixed link (201), motion bar (202), slide plate (203) and spring (204), the bottom end and bottom of the fixed link (201)
The top of seat (1) is fixedly connected, and the top of the motion bar (202) is fixedly connected with the bottom end of connecting rod (3).
7. a kind of Fluid valve manufacture grinding device according to claim 1, it is characterised in that：The fixed link
(201) it is provided with slide plate (203) in the middle part of inner cavity, the bottom end of the slide plate (203) is fixedly connected with one end of spring (204), described
The top of slide plate (203) is fixedly connected with the bottom end of motion bar (202), and fixed link (201) is run through on the top of the motion bar (202)
Top middle portion and outside positioned at fixed link (201), in the other end of the spring (201) and the bottom end of fixed link (201)
Wall is fixedly connected.
8. a kind of Fluid valve manufacture grinding device according to claim 1, it is characterised in that：The pedestal (1)
Top both sides have been fixedly connected with vertical supporting column (15), pass through roof supporting (16) between two vertical supporting columns (15)
Connection.
9. a kind of Fluid valve manufacture grinding device according to claim 1, it is characterised in that：The roof supporting
(16) center bottom is fixedly connected with the top of driving motor (17), and the center bottom of the driving motor (17) is lived by bearing
It is dynamic to be connected with polishing pad (18).
10. a kind of Fluid valve manufacture grinding device according to claim 1, it is characterised in that：The roof supporting
(16) both ends are fixedly connected with the side of two vertical supporting columns (15) respectively, and the bottom end both sides of the pedestal (1) are fixed
It is connected with support leg (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810678104.6A CN108789030A (en) | 2018-06-27 | 2018-06-27 | A kind of Fluid valve manufacture grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810678104.6A CN108789030A (en) | 2018-06-27 | 2018-06-27 | A kind of Fluid valve manufacture grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108789030A true CN108789030A (en) | 2018-11-13 |
Family
ID=64071663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810678104.6A Pending CN108789030A (en) | 2018-06-27 | 2018-06-27 | A kind of Fluid valve manufacture grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108789030A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205630193U (en) * | 2016-06-01 | 2016-10-12 | 中信戴卡股份有限公司 | Become size wheel burring device |
| CN205734271U (en) * | 2016-06-22 | 2016-11-30 | 无锡惠山泵业有限公司 | A kind of valve polisher of scalable polishing thickness |
| CN107088809A (en) * | 2017-07-03 | 2017-08-25 | 盐城市精工铸业股份有限公司 | A kind of sanding apparatus of valve production |
| CN107617954A (en) * | 2017-09-17 | 2018-01-23 | 王佳锋 | A kind of mould production milling robot |
| CN107855873A (en) * | 2017-10-31 | 2018-03-30 | 徐笑笑 | A kind of valve processing sanding apparatus with fixing function |
-
2018
- 2018-06-27 CN CN201810678104.6A patent/CN108789030A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205630193U (en) * | 2016-06-01 | 2016-10-12 | 中信戴卡股份有限公司 | Become size wheel burring device |
| CN205734271U (en) * | 2016-06-22 | 2016-11-30 | 无锡惠山泵业有限公司 | A kind of valve polisher of scalable polishing thickness |
| CN107088809A (en) * | 2017-07-03 | 2017-08-25 | 盐城市精工铸业股份有限公司 | A kind of sanding apparatus of valve production |
| CN107617954A (en) * | 2017-09-17 | 2018-01-23 | 王佳锋 | A kind of mould production milling robot |
| CN107855873A (en) * | 2017-10-31 | 2018-03-30 | 徐笑笑 | A kind of valve processing sanding apparatus with fixing function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |
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| RJ01 | Rejection of invention patent application after publication |