CN108789121A - A kind of High Precision Automatic polishing grinding device of plectane class handware - Google Patents
A kind of High Precision Automatic polishing grinding device of plectane class handware Download PDFInfo
- Publication number
- CN108789121A CN108789121A CN201810985650.4A CN201810985650A CN108789121A CN 108789121 A CN108789121 A CN 108789121A CN 201810985650 A CN201810985650 A CN 201810985650A CN 108789121 A CN108789121 A CN 108789121A
- Authority
- CN
- China
- Prior art keywords
- fixed
- bearing seat
- high precision
- ball
- grinding device
- 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.)
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of High Precision Automatic polishing grinding devices of plectane class handware,Including pedestal,Revolving platform,Retaining mechanism,Polishing mechanism,Transverse-moving mechanism,Elevating mechanism and controller,The revolving platform is fixed on the base,The retaining mechanism is by chuck body,Thrust ball bearing seat,Thrust ball bearing,First rotating shaft,Bevel gear wheel,Rolling bearing,Bevel pinion,Second shaft,Set lever,Claw collectively forms,The transverse-moving mechanism is by supporting shell,First bearing seat,Second bearing seat,First ball-screw,First servo motor,Traversing plate,First fixed block,Second fixed block,Slide bar,Sliding block collectively forms,The elevating mechanism is by lifting shell,3rd bearing seat,Fourth bearing seat,Second ball-screw,Second servo motor,Lifter plate collectively forms,The polishing mechanism is by electric rotating machine,Third shaft polishing wheel collectively forms.The invention has the advantages that of simple structure and strong practicability.
Description
Technical field
The present invention relates to machining equipment technical field, especially a kind of High Precision Automatic polishing of plectane class handware is beaten
Mill apparatus.
Background technology
Disk class handware thinner thickness, adds man-hour requirement that part is fixed up and is added with existing equipment polishing grinding
Work, since diameter of part is not of uniform size, workpiece fixes difficulty, and when processing part, part is not easy to adjust, and causes process velocity slow
Slowly, processing efficiency is low, and artificial polishing grinding stability is low, is easy to increase error, influences part product quality.
Invention content
The purpose of the present invention is to solve the above problems, devise a kind of High Precision Automatic polish of plectane class handware and beat
Mill apparatus.
Realize above-mentioned purpose the technical scheme is that, a kind of High Precision Automatic polishing grinding dress of plectane class handware
It sets, including pedestal, revolving platform, retaining mechanism, polishing mechanism, transverse-moving mechanism, elevating mechanism and controller, the revolving platform is fixed
On the base, the revolving platform input terminal is connect with decelerating motor, and the retaining mechanism is by being fixed on the revolving platform
And with the coaxial chuck body of revolution table top center line of the revolving platform, be fixed on the revolving platform and be located at the chuck body
The thrust ball bearing seat of inside, is inserted into the thrust ball bearing at the thrust ball bearing in the thrust ball bearing seat
On first rotating shaft, be fixed in the first rotating shaft and equipped with archimedean spiral groove bevel gear wheel, be inlaid in the card
Rolling bearing on disk body connect and is inserted through with the bevel pinion with the bevel pinion of bevel gear wheel engagement, one end
Second shaft of the rolling bearing, is located at the bevel gear wheel at the set lever being fixed on the second shaft other end
Claw that is upper and stretching out the chuck body collectively forms, and the transverse-moving mechanism is by fixing on the base and being located at the revolution
The supporting shell of platform side, the first bearing seat for being fixed on the supporting shell side are fixed in the supporting shell and positioned at described
The second bearing seat of first bearing seat opposite side, one end are inserted into the other end in first bearing seat and are inserted through second axis
First ball-screw of bearing is fixed in the supporting shell and what is connect with the first ball-screw external part first watches
Take motor, the traversing plate being fixed on the nut seat of first ball-screw, be fixed on the first bearing seat side
One fixed block, the second fixed block for being fixed on the second bearing seat side are consolidated with first fixed block and the second fixed block
Surely the slide bar that connects is sleeved on the slide bar and the sliding block being fixedly connected with the traversing plate collectively forms, the elevator
Structure by be fixed on the traversing plate lifting shell, be fixed on the lifting shell bottom end 3rd bearing seat, be fixed on institute
State the fourth bearing seat of lifting shell upper end, one end is inserted into the other end on 3rd bearing seat and is inserted through the fourth bearing seat
The second ball-screw, be fixed on the lifting shell and the second servo for connect with the second ball-screw external part is electric
Machine, the lifter plate being secured transverse on the nut seat of second ball-screw collectively form, and the polishing mechanism is by being fixed on
Electric rotating machine on the traversing plate, is fixed on the third shaft at the third shaft being connect with the electric rotating machine round end
On polishing wheel collectively form.
The claw bottom end is equipped with the thread engaged with the helicla flute of the A Ji meter.
The quantity of the claw is three, and the claw is evenly distributed on the bevel gear wheel, is opened on the chuck body
There is the first opening stretched out for the claw.
The second opening stretched out for the lifter plate is provided on the lifting shell.
Limited block is equipped on the claw and in the chuck body, the limited block is detached from for limiting the claw
The chuck body.
It is equipped with gib block on the lifting shell and positioned at the lifter plate both sides, being equipped in the gib block can be described
The guide pad slided in gib block.
Bracing piece is fixed on the guide pad, described bracing piece one end connect the other end and the liter with the guide pad
Plate connection is dropped.
The guide pad is located above the lifter plate, and the bracing piece inclination is fixed on the guide pad and the lifting
Between plate.
The centerline parallel of the center line of the lifter plate and the chuck body upper surface.
The controller is electrically connected with the decelerating motor, first servo motor, the second servo motor and electric rotating machine.
The High Precision Automatic polishing grinding device of a kind of plectane class handware made using technical scheme of the present invention, can be right
The plectane class handware of a variety of different-diameters is polished polishing, by retaining mechanism by part clamping, passes through polishing mechanism, cross
The cooperation of telephone-moving structure, revolving platform and elevating mechanism is polished polishing to part, improves polishing precision and processing efficiency, improves production
Quality.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the High Precision Automatic polishing grinding device of plectane class handware of the present invention；
Fig. 2 is a kind of front view of the High Precision Automatic polishing grinding device of plectane class handware of the present invention；
Fig. 3 is a kind of vertical view of the High Precision Automatic polishing grinding device of plectane class handware of the present invention；
Fig. 4 is a kind of overhead sectional view of the High Precision Automatic polishing grinding device of plectane class handware of the present invention；
Fig. 5 is the partial enlarged view at A in Fig. 3 of the present invention；
In figure, 1, pedestal；2, revolving platform；3, controller；4, decelerating motor；5, chuck body；6, thrust ball bearing seat；7, it pushes away
Power ball bearing；8, first rotating shaft；9, bevel gear wheel；10, rolling bearing；11, bevel pinion；12, the second shaft；13, hand is locked
Handle；14, claw；15, supporting shell；16, first bearing seat；17, second bearing seat；18, the first ball-screw；19, the first servo
Motor；20, traversing plate；21, the first fixed block；22, the second fixed block；23, slide bar；24, sliding block；25, shell is lifted；26,
Three bearing blocks；27, fourth bearing seat；28, the second ball-screw；29, the second servo motor；30, lifter plate；31, electric rotating machine；
32, third shaft；33, polishing wheel；34, limited block；35, gib block；36, guide pad；37, bracing piece.
Specific implementation mode
The present invention is specifically described below in conjunction with the accompanying drawings, as shown in Figs. 1-5, a kind of plectane class handware high-precision from
Dynamic polishing grinding device, including pedestal 1, revolving platform 2, retaining mechanism, polishing mechanism, transverse-moving mechanism, elevating mechanism and controller
3, the revolving platform 2 is fixed on the pedestal 1, and 2 input terminal of the revolving platform is connect with decelerating motor 4, the retaining mechanism
Described in being fixed on the chuck body 5 coaxial on the revolving platform 2 and with 2 face center line of the revolving platform of the revolving platform 2, being fixed on
On revolving platform 2 and the thrust ball bearing seat 6 inside the chuck body 5, the thrust in the thrust ball bearing seat 6
Ball bearing 7, the first rotating shaft 8 being inserted on the thrust ball bearing 7 are fixed in the first rotating shaft 8 and are equipped with A Ji meter
The bevel gear wheel 9 of moral helicla flute, the rolling bearing 10 being inlaid on the chuck body 5, the conelet engaged with the bevel gear wheel 9
Gear 11, one end connect and be inserted through with the bevel pinion 11 second shaft 12 of the rolling bearing 10, be fixed on it is described
Set lever 13 on second shaft, 12 other end, the claw 14 for being located on the bevel gear wheel 9 and stretching out the chuck body 5 are total
With constituting, the transverse-moving mechanism is by being fixed on the pedestal 1 and being located at the supporting shell 15 of 2 side of the revolving platform, be fixed on
The first bearing seat 16 of 15 side of the supporting shell is fixed in the supporting shell 15 and is located at the first bearing seat 16 relatively
The second bearing seat 17 of side, one end are inserted into the other end in first bearing seat 16 and are inserted through the second bearing seat 17
First ball-screw 18, the first servo for being fixed in the supporting shell 15 and being connect with 18 external part of the first ball-screw
Motor 19, is fixed on the first bearing seat 16 1 at the traversing plate 20 being fixed on the nut seat of first ball-screw 18
First fixed block 21 of side, the second fixed block 22 for being fixed on 17 side of the second bearing seat and first fixed block 21
The slide bar 23 being fixedly connected with the second fixed block 22, the cunning for being sleeved on the slide bar 23 and being fixedly connected with the traversing plate 20
Block 24 collectively forms, the elevating mechanism by be fixed on the traversing plate 20 lifting shell 25, be fixed on outside the lifting
The 3rd bearing seat 26 of 25 bottom end of shell, the fourth bearing seat 27 for being fixed on 25 upper end of the lifting shell, one end are inserted into third
The other end is inserted through the second ball-screw 28 of the fourth bearing seat 27, is fixed on the lifting shell 25 on bearing block 26
It is upper and connect with 28 external part of the second ball-screw the second servo motor 29, be secured transverse to second ball-screw
Lifter plate 30 on 28 nut seat collectively forms, and the polishing mechanism is by being fixed on the electric rotating machine of 20 upper end of traversing plate
31, the third shaft 32 being connect with 31 round end of the electric rotating machine, the polishing wheel 33 being fixed in the third shaft 32 are total to
With composition；14 bottom end of the claw is equipped with the thread engaged with the helicla flute of the A Ji meter；The quantity of the claw 14 is three
A, the claw 14 is evenly distributed on the bevel gear wheel 9, and the stretched out for the claw 14 is provided on the chuck body 5
One opening；The second opening stretched out for the lifter plate 30 is provided on the lifting shell 25；On the claw 14 and it is located at institute
It states and is equipped with limited block 34 in chuck body 5, the limited block 34 is detached from the chuck body 5 for limiting the claw 14；The liter
It drops on shell 25 and is equipped with gib block 35 positioned at 30 both sides of the lifter plate, being equipped in the gib block 35 can be in the gib block
The guide pad 36 slided in 35；Bracing piece 37,37 one end of the bracing piece and the guide pad are fixed on the guide pad 36
The 36 connection other ends are connect with the lifter plate 30；The guide pad 36 is located at 30 top of the lifter plate, the bracing piece 37
Inclination is fixed between the guide pad 36 and the lifter plate 30；The center line of the lifter plate 30 and 5 upper table of the chuck body
The centerline parallel in face；The controller 3 and the decelerating motor 4, first servo motor 19, the second servo motor 29 and rotation
Motor 31 is electrically connected.
The characteristics of the present embodiment is that retaining mechanism is by being fixed on the revolution table top center line on revolving platform and with revolving platform
Coaxial chuck body is fixed on revolving platform and the thrust ball bearing seat inside chuck body, is mounted on thrust ball bearing seat
Interior thrust ball bearing, the first rotating shaft being inserted on thrust ball bearing are fixed in first rotating shaft and are equipped with Archimedes's spiral shell
The bevel gear wheel of spin slot, the rolling bearing being inlaid on chuck body, the bevel pinion engaged with bevel gear wheel, one end and small bevel gear
Wheel connects and is inserted through the second shaft of rolling bearing, the set lever being fixed on the second shaft other end, is located at auger tooth
It on wheel and stretches out the claw of chuck body and collectively forms, transverse-moving mechanism is by being fixed on the base and being located at turn around the support of platform side
Shell, the first bearing seat for being fixed on supporting shell side are fixed in supporting shell and positioned at the of first bearing seat opposite side
Two bearing bracket, one end are inserted into the other end in first bearing seat and are inserted through the first ball-screw of second bearing seat, are fixed on
The first servo motor that is connect in supporting shell and with the first ball-screw external part is fixed on the nut seat of the first ball wire cylinder
Traversing plate, be fixed on first bearing seat side the first fixed block, be fixed on second bearing seat side the second fixed block, with
Slide bar that first fixed block and the second fixed block are fixedly connected is sleeved on slide bar and the sliding block being fixedly connected with traversing plate is common
Constitute, elevating mechanism by be fixed on traversing plate lifting shell, be fixed on and lift the 3rd bearing seat of shell bottom end, be fixed on
The fourth bearing seat of lifting shell upper end, one end are inserted into the other end on 3rd bearing seat and are inserted through the second of fourth bearing seat
Ball-screw is fixed on the second servo motor connecting on lifting shell and with the second ball-screw external part, is secured transverse to
Lifter plate on the nut seat of second ball-screw collectively forms, polishing mechanism by be fixed on traversing plate electric rotating machine, with
The third shaft of electric rotating machine round end connection, the polishing wheel being fixed in third shaft collectively form.Utilize the skill of the present invention
The High Precision Automatic polishing grinding device of a kind of plectane class handware that art scheme makes, can be to the plectane class five of a variety of different-diameters
Golden part is polished polishing, by retaining mechanism by part clamping, passes through polishing mechanism, transverse-moving mechanism, revolving platform and elevator
The cooperation of structure is polished polishing to part, improves polishing precision and processing efficiency, improves product quality.
In the present embodiment, polished handware is placed on chuck body, screws set lever, set lever drives
Second walk around axis and bevel pinion rotation, bevel pinion engages with bevel gear wheel and bevel gear wheel is driven to rotate, on bevel gear wheel
Claw and archimedean spiral groove on move, in drive and chuck body through bevel gear wheel first opening limitation, make auger
Two claws on gear are moved along the central point of bevel gear wheel, and claw promotion part locks part up to two claws, this
When part be located at the center of chuck body, pass through controller start polishing, controller control first servo motor energization work
Make, first servo motor exports certain angular displacement, and the convert rotational motion of first servo motor is straight line by the first ball-screw
Moving through nut seat drives traversing plate to be laterally moved to specified X-axis Working position, the dynamic lifting shell movement of traversing strip, same to time control
Device processed controls the second servo motor and is powered on, and the second servo motor exports certain angular displacement, and the second ball-screw is watched second
The convert rotational motion for taking motor is to move along a straight line and drive lifter plate to be elevated to specified Y-axis Working position by nut seat,
Bracing piece lifts with lifter plate and plays certain supporting role, and guide pad is slided with the lifting of bracing piece in gib block, rotation
Electrical power works and drives polishing wheel rotation, polishing wheel to be polished polishing to piece surface by third shaft, and slow down electricity
Machine, which is powered to rotating, simultaneously drives revolving platform to rotate, and revolving platform drives chuck body rotation, polishing wheel to the part locked on chuck body around
Circumference is polished, and first servo motor and the second servo motor specify angle position by preset processing program output in controller system
It moves, ensures the precision of part polishing polishing.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of which part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. a kind of High Precision Automatic polishing grinding device of plectane class handware, including pedestal (1), revolving platform (2), retaining mechanism,
Polishing mechanism, transverse-moving mechanism, elevating mechanism and controller (3), which is characterized in that the revolving platform (2) is fixed on the pedestal
(1) on, revolving platform (2) input terminal is connect with decelerating motor (4), and the retaining mechanism is by being fixed on the revolving platform (2)
The upper and chuck body (5) coaxial with revolving platform (2) face center line of the revolving platform (2), be fixed on the revolving platform (2) and
Positioned at the internal thrust ball bearing seat (6) of the chuck body (5), the thrust ball axis in the thrust ball bearing seat (6)
Hold (7), the first rotating shaft (8) that is inserted on the thrust ball bearing (7), be fixed in the first rotating shaft (8) and equipped with Ah
The bevel gear wheel (9) of base Mead helicla flute, the rolling bearing (10) being inlaid on the chuck body (5) and the bevel gear wheel
(9) bevel pinion (11) that engages, one end connect with the bevel pinion (11) and are inserted through the of the rolling bearing (10)
Two shafts (12), are located on the bevel gear wheel (9) set lever (13) being fixed on the second shaft (12) other end
And the claw (14) for stretching out the chuck body (5) collectively forms, the transverse-moving mechanism is by being fixed on the pedestal (1) and being located at
The supporting shell (15) of revolving platform (2) side, is fixed on the first bearing seat (16) for being fixed on the supporting shell (15) side
Second bearing seat (17), one end on the supporting shell (15) and positioned at the first bearing seat (16) opposite side are inserted into
In first bearing seat (16) other end be inserted through the first ball-screw (18) of the second bearing seat (17), be fixed on it is described
The first servo motor (19) that is connect in supporting shell (15) and with the first ball-screw (18) external part is fixed on described
Traversing plate (20) on the nut seat of one ball-screw (18), the first fixed block for being fixed on the first bearing seat (16) side
(21), the second fixed block (22) and first fixed block (21) and second of the second bearing seat (17) side are fixed on
Slide bar (23) that fixed block (22) is fixedly connected is sleeved on the slide bar (23) and is fixedly connected with the traversing plate (20)
Sliding block (24) collectively forms, the elevating mechanism by be fixed on the traversing plate (20) lifting shell (25), be fixed on institute
The fourth bearing seat stated the 3rd bearing seat (26) of lifting shell (25) bottom end, be fixed on described lifting shell (25) upper end
(27), one end is inserted into the second ball-screw that the other end on 3rd bearing seat (26) is inserted through the fourth bearing seat (27)
(28), it is fixed on the second servo motor connecting on the lifting shell (25) and with the second ball-screw (28) external part
(29), the lifter plate (30) being secured transverse on the nut seat of second ball-screw (28) collectively forms, the polishing machine
Structure is by the electric rotating machine (31) for being fixed on traversing plate (20) upper end, the third being connect with the electric rotating machine (31) round end
Shaft (32), the polishing wheel (33) being fixed on the third shaft (32) collectively form.
2. the High Precision Automatic polishing grinding device of a kind of plectane class handware according to claim 1, which is characterized in that institute
It states claw (14) bottom end and is equipped with the thread engaged with the helicla flute of the A Ji meter.
3. the High Precision Automatic polishing grinding device of a kind of plectane class handware according to claim 1, which is characterized in that institute
The quantity for stating claw (14) is three, and the claw (14) is evenly distributed on the bevel gear wheel (9), the chuck body (5)
On be provided with for the claw (14) stretch out first opening.
4. the High Precision Automatic polishing grinding device of a kind of plectane class handware according to claim 1, which is characterized in that institute
State the second opening for being provided on lifting shell (25) and being stretched out for the lifter plate (30).
5. the High Precision Automatic polishing grinding device of a kind of plectane class handware according to claim 1, which is characterized in that institute
It states on claw (14) and is equipped with limited block (34) in the chuck body (5), the limited block (34) is for limiting the card
Pawl (14) is detached from the chuck body (5).
6. the High Precision Automatic polishing grinding device of a kind of plectane class handware according to claim 1, which is characterized in that institute
It states on lifting shell (25) and is equipped with gib block (35) positioned at the lifter plate (30) both sides, being equipped in the gib block (35) can
The guide pad (36) slided in the gib block (35).
7. the High Precision Automatic polishing grinding device of a kind of plectane class handware according to claim 6, which is characterized in that institute
State and be fixed with bracing piece (37) on guide pad (36), described bracing piece (37) one end connect with the guide pad (36) other end with
Lifter plate (30) connection.
8. the High Precision Automatic polishing grinding device of a kind of plectane class handware according to claim 6, which is characterized in that institute
It states guide pad (36) to be located above the lifter plate (30), the bracing piece (37) tilts and is fixed on the guide pad (36) and institute
It states between lifter plate (30).
9. the High Precision Automatic polishing grinding device of a kind of plectane class handware according to claim 1, which is characterized in that institute
State the centerline parallel of the center line and the chuck body (5) upper surface of lifter plate (30).
10. the High Precision Automatic polishing grinding device of a kind of plectane class handware according to claim 1, which is characterized in that
The controller (3) and the decelerating motor (4), first servo motor (19), the second servo motor (29) and electric rotating machine
(31) it is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985650.4A CN108789121A (en) | 2018-08-28 | 2018-08-28 | A kind of High Precision Automatic polishing grinding device of plectane class handware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985650.4A CN108789121A (en) | 2018-08-28 | 2018-08-28 | A kind of High Precision Automatic polishing grinding device of plectane class handware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108789121A true CN108789121A (en) | 2018-11-13 |
Family
ID=64080869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810985650.4A Withdrawn CN108789121A (en) | 2018-08-28 | 2018-08-28 | A kind of High Precision Automatic polishing grinding device of plectane class handware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108789121A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919043A (en) * | 2019-10-17 | 2020-03-27 | 刘永坤 | Device for processing inner wall of tubular part |
-
2018
- 2018-08-28 CN CN201810985650.4A patent/CN108789121A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919043A (en) * | 2019-10-17 | 2020-03-27 | 刘永坤 | Device for processing inner wall of tubular part |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |
|
| WW01 | Invention patent application withdrawn after publication |