CN107186574A - A kind of plug valve of gas stove grinder and its Ginding process - Google Patents
A kind of plug valve of gas stove grinder and its Ginding process Download PDFInfo
- Publication number
- CN107186574A CN107186574A CN201710599612.0A CN201710599612A CN107186574A CN 107186574 A CN107186574 A CN 107186574A CN 201710599612 A CN201710599612 A CN 201710599612A CN 107186574 A CN107186574 A CN 107186574A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- valve
- valve element
- valve body
- grinding
- 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
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
- B24B15/04—Machines or devices designed for grinding seat surfaces; Accessories therefor on valve members
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/005—Control means for lapping machines or devices
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/27—Work carriers
-
- 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
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A kind of plug valve of gas stove grinder, including atmospheric control, electric control system, several ground stations, ground station is vertical structure, using rotary cylinder and gripper cylinder, in process of lapping, grinding work-piece valve body, valve element multiple clamping, so as to improve grinding track and redistribute grinding agent, make conical surface grinding more uniform, more preferably, sealing is higher for the cooperation of valve body and valve element, and the present invention has the features such as machining accuracy is high, automaticity is high, flexibility (adaptability) of operation is good.
Description
Technical field
The manufacture field of present invention design plug valve of gas stove, more particularly, to a kind of plug valve of gas stove valve body, valve element
Supporting grinder, and the method being ground using this kind of grinder.
Background technology
The sealing reliability of plug valve of gas stove door, is to ensure that one of critical component of kitchen range safety.According to national standard
It is required that, air-leakage test of the plug valve under the conditions of certain pressure, it is impossible to occur any leakage.Because the viscosity of gas is minimum,
The break-make requirement of control combustion gas has high fit precision, therefore the cooperation processing of valve element and valve body, generally using couple pairing
The method of grinding is realized.The faucet body of valve is generally cone, coordinates composition sealing pair with the circular cone hole face of valve body.Authorization Notice No.
CN 104526535B disclose a kind of gas stove switch valve grinding machine and its Ginding process, change Traditional Man mode of operation,
Combined by electrical control with pneumatic control, grinding is divided into light grinding-heavy cutting stage, time and dynamics essence easy to control
Really, product processing quality and efficiency are improved, but in its process of lapping, due to being clamped one time, grinding agent may accumulate, point
Cloth is uneven and repeats to cause to grind uneven after grinding, and gap is inconsistent between the cock conical surface and the valve body conical surface, sealing
It is not good with service life, cause plug valve quality unstable, produce gas leakage major hidden danger, or even in the use process in later stage
In result in greater loss.
The content of the invention
The present invention is intended to provide a kind of labor strength is low, automaticity is high, can improve the grinding of cone valve valve element
Precision, the plug valve of gas stove grinder and its Ginding process of Improving The Quality of Products.
The present invention is achieved through the following technical solutions.A kind of plug valve of gas stove grinder, including pneumatic control system
System, electric control system, several ground stations, speed-regulating switch, speed governing knob, start button, stop button；Power supply is activated to be pressed
Button, stop button are connected with atmospheric control and electric control system, and the atmospheric control is passed through with electric control system
Speed-regulating switch, speed governing knob are connected with ground station, and the ground station includes being fixed with rotation on workbench, the workbench
Cylinder, valve body microscope carrier is installed on rotary cylinder；Workbench right-hand member is fixed with riser；The riser is fixed with three axles from bottom to up
Cylinder mounting plate, slide rail installing plate, twin shaft adjustable type cylinder mounting plate；Three axle gas are installed on the three axles cylinder mounting plate
Cylinder；The push rod of the three axles cylinder is fixed with gripper cylinder installing plate, gripper cylinder installing plate and is provided with gripper cylinder；It is described
Intrinsic chuck on gripper cylinder；It is supporting on intrinsic two one slide rail on the slide rail installing plate, every one slide rail that two sliding blocks are installed,
Slide plate is installed on sliding block；The slide plate is provided with motor fixing plate and cylinder push pedal from bottom to up；On the motor fixing plate
Motor is installed, the Hollow Transmission Shafts that output shaft and the center of the motor are provided with spring are connected；It is described hollow
The lower end fixed cover of power transmission shaft is provided with the knob mandrel of pin, the pin and the opening of workpiece to be ground valve element upper end equipped with one end
Groove is docked；Twin shaft adjustable type cylinder is installed, the push rod of twin shaft adjustable type cylinder is consolidated on the twin shaft adjustable type cylinder mounting plate
Even cylinder push pedal；During work, workpiece to be ground valve body is placed on valve body microscope carrier, workpiece to be ground valve element insertion workpiece to be ground valve
In vivo, chuck is in valve element both sides, and rotary core shaft pushes down valve element upper end.
The ground station also includes aobvious control man-machine interface.
The electric control system is controlled using PLC system.
The motor is the variable-speed motor slowed down with gearhead.
Alignment pin is installed on the microscope carrier, the hole site with valve body body is corresponding.
The rotary cylinder is the cylinder repeatedly of the interval predeterminable anglec of rotation of 0-90 ° or 0-180 degree.
The rotary cylinder, three axle cylinders, gripper cylinder are provided with dust excluding plate, prevent dust from entering cylinder influence normal dynamic
Make.
A kind of Ginding process of plug valve of gas stove grinder, specific grinding steps are as follows：
（1）Switch on power, grinder is in holding state；
（2）Valve element and valve body pairing, are positioned on microscope carrier；
（3）Start button is pressed, motor starts；
（4）Electric control system sends instruction, and the push rod of twin shaft adjustable type cylinder is moved downward, and passes through cylinder push pedal, slide plate band
Dynamic motor is moved downward, and knob mandrel and pin rotation thereon decline, until rotate at the open slot of valve element, pin is imported
In the open slot of valve element, and contact dynamics between valve element and valve body gradually increases, and realizes the positioning of valve element；
（5）Pin of the power of motor through knob mandrel lower end is delivered to the valve element of plug valve to be ground, is allowed to and driving electricity
Motivation rotates together, and the stage is once ground in valve element and valve body entrance；
（6）Once after grinding certain time, electric control system sends instruction, and the pin of knob mandrel and knob mandrel can in twin shaft
Tune type cylinder drives lower rising, departs from valve element, and the tong that valve element is clamped cylinder under three axle cylinder actions is clamped rising, departed from
Valve body, valve element departs from after valve body, and electric control system sends instruction, and rotary cylinder drives the angle that microscope carrier and valve body rotation are preset
Degree；
（7）In the case of being not required to by start button, electric control system sends instruction, repeat step 4,5,6, into two, three,
4th, five ... secondary grinding stage；
（8）Grinding stage number of times and milling time are modified adjustment by aobvious control man-machine interface input parameter, are accorded with to plug valve
Grinding is completed when closing the characteristic requirements of grinding.
Grinding agent is smeared before valve element and the valve body pairing, certain thermolysis can be played.By milling time, grind
Speed, grinding number of times, the adjustment of grinding pressure are ground, the radiating time can be adjusted to optimum value.
The beneficial effects of the present invention are：
1. in process of lapping, after grinding certain time, valve element is departed from into valve body automatically, and after valve body is rotated to an angle, then
Valve element insertion valve body is proceeded into grinding, so as to improve grinding track and redistribute grinding agent, makes conical surface grinding more
Plus it is uniform, more preferably, sealing is higher for the cooperation of valve body and valve element；
2. ground station uses vertical structure, the rotation decentraction that horizontal type structure is brought by workpiece gravity factor itself is eliminated
Potential risk；
3. being controlled using PLC system and aobvious control man-machine interface, facilitate parameter adjustment and system to control, reduce grinding technique difficult
Degree；
4. being combined by electrical control with pneumatic control, milling time and dynamics are easy to control precisely, improve product processing quality；
5. automaticity is high, labor strength is alleviated, production efficiency is improved；
6. with well processed adaptability, according to the change of processing valve body structure, from corresponding chuck and support base, it is possible to
Attrition process is carried out on this grinder.
Brief description of the drawings
Fig. 1 is the structural representation of the plug valve of gas stove grinder ground station of the present invention.
Fig. 2 is Fig. 1 partial enlarged drawing.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
A kind of plug valve of gas stove grinder, including atmospheric control, electric control system, tetra- grinding works of ABCD
Position, speed-regulating switch, speed governing knob, start button, stop button, the electric control system use PLC control system.Power supply is passed through
Start button, stop button are connected with atmospheric control and electric control system, the atmospheric control and electrical control
System is connected through speed-regulating switch, speed governing knob with ground station.As shown in Figure 1 and Figure 2, the ground station is vertical structure, work
Make to be fixed with rotary cylinder 2 on platform 1, rotary cylinder 2 is the cylinder repeatedly of the predeterminable anglec of rotation in 0-90 ° of interval, the anglec of rotation
Default 90 degree, first inverse clock rotates 90 degree during action, and 90 degree, perseveration are rotated clockwise during reoperation.Valve body microscope carrier 3 is installed
In on rotary cylinder 2；The right-hand member of workbench 1 is fixed with riser 4；The riser 4 is fixed with the installation of three axle cylinders successively from bottom to up
Three axle cylinders 8, institute are installed on plate 5, slide rail installing plate 6, twin shaft adjustable type cylinder mounting plate 7, the three axles cylinder mounting plate 5
The push rod for stating three axle cylinders 8 is fixed with gripper cylinder installing plate, gripper cylinder installing plate and is provided with gripper cylinder 9, the folder
Hold on cylinder 9 intrinsic two one slide rail on intrinsic chuck 10, the slide rail installing plate 6, per one slide rail on supporting two cunnings are installed
Slide plate 11 is installed, the slide plate 11 is provided with motor fixing plate 12 and cylinder push pedal 13 from bottom to up on block, sliding block；The electricity
Motor 14 is installed, the motor 14 is the variable-speed motor slowed down with gearhead, the drive in machine fixed plate 12
The output shaft of dynamic motor 14 is connected with the Hollow Transmission Shafts 15 that center is provided with spring；The lower end of the Hollow Transmission Shafts 15 is fixed
The knob mandrel 17 that one end is provided with pin 16 is set with, the pin 16 is docked with the open slot of workpiece to be ground valve element upper end；Institute
State and twin shaft adjustable type cylinder 18 is installed on twin shaft adjustable type cylinder mounting plate 7, the connected cylinder of push rod of twin shaft adjustable type cylinder
Push pedal 13；During work, workpiece to be ground valve body 20 is placed on valve body microscope carrier 3, the insertion workpiece to be ground of workpiece to be ground valve element 21
In valve body 20, chuck 10 is in the both sides of valve element 21, and rotary core shaft 17 pushes down the upper end of valve element 21.The ground station also includes aobvious control
Abrasive parameters can be adjusted, changed by man-machine interface；Alignment pin is installed on the microscope carrier, the hole position with valve body body
Put corresponding；The rotary cylinder 2, three axle cylinders 8, gripper cylinder 9 are provided with dust excluding plate 19, prevent dust from being influenceed into cylinder
Regular event.The grinding pressure of grinder can be adjusted by adjusting the lower trip slide of twin shaft adjustable type cylinder 18.
The Ginding process of plug valve of gas stove grinder as described above, specific grinding steps are as follows：
（1）Switch on power, grinder is in holding state；
（2）Valve element 21 and valve body 20 are matched, and are positioned on microscope carrier 3, and grinding agent is smeared before valve element 21 and valve body 20 pairing；
（3）Start button is pressed, motor 14 starts；
（4）PLC electric control systems send instruction, and the push rod of twin shaft adjustable type cylinder 18 is moved downward, by cylinder push pedal 13,
Slide plate 11 drives motor 14 to move downward, and knob mandrel 17 and pin 16 thereon rotate and moved downward, until rotating to
At the open slot of valve element 21, pin 16 is imported in the open slot of valve element 21, and the contact dynamics between valve element 21 and valve body 20 is gradually
Increase, realizes the positioning of valve element 21；
（5）Pin 16 of the power of motor 14 through the lower end of knob mandrel 17 is delivered to the valve element 20 of plug valve to be ground, is allowed to
Rotated together with drive motor 14, the stage is once ground in valve element 21 and the entrance of valve body 20；
（6）Once after grinding certain time, electric control system sends instruction, and the pin 16 of knob mandrel 17 and knob mandrel 17 exists
Twin shaft adjustable type cylinder 18 drives lower rising, departs from valve element 21, and valve element 21 is clamped the folder of cylinder 9 under the effect of three axle cylinders 8
Hand 10 clamps rising, departs from valve body 20, and valve element 21 departs from after valve body 20, and electric control system sends instruction, and rotary cylinder 2 drives
Microscope carrier 3 and valve body 20 are rotated by 90 °；Grinding easily forms high temperature, influences workpiece quality, and grinding intermittent phase, valve element departs from valve body,
It can radiate.
（7）In the case of being not required to by start button, electric control system sends instruction, repeat step 4,5,6, into two,
3rd, four, five ... secondary grinding stage；
（8）Grinding stage number of times and milling time are modified adjustment by aobvious control man-machine interface input parameter, are accorded with to plug valve
Grinding is completed when closing the characteristic requirements of grinding.
Experiment determines that the comparatively ideal abrasive parameters of this grinder are as follows：
A. grinding pressure：9.5N；
B. number of times is ground：5 times；
C. milling time（Every time）：2.5s；
D. rotating speed is ground：170r/min.
Claims (9)
1. a kind of plug valve of gas stove grinder, including atmospheric control, electric control system, several ground stations, speed governing
Switch, speed governing knob, start button, stop button；The activated button of power supply, stop button and atmospheric control and electric-controlled
System processed is connected, and the atmospheric control is connected with electric control system through speed-regulating switch, speed governing knob with ground station, its
It is characterised by, the ground station includes being fixed with rotary cylinder 2 on workbench 1, the workbench 1, and valve body microscope carrier 3 is installed on
On rotary cylinder 2；The right-hand member of workbench 1 is fixed with riser 4；The riser 4 is fixed with three axle cylinder mounting plates 5, slided from bottom to up
Rail installing plate 6, twin shaft adjustable type cylinder mounting plate 7；Three axle cylinders 8 are installed on the three axles cylinder mounting plate 5；Three axle
The push rod of cylinder 8 is fixed with gripper cylinder installing plate, gripper cylinder installing plate and is provided with gripper cylinder 9；The gripper cylinder 9
Upper intrinsic chuck 10；It is supporting on intrinsic two one slide rail on the slide rail installing plate 6, every one slide rail that two sliding blocks, sliding block are installed
On slide plate 11 is installed；The slide plate 11 is provided with motor fixing plate 12 and cylinder push pedal 13 from bottom to up；The motor is fixed
Motor 14 is installed, the Hollow Transmission Shafts 15 that output shaft and the center of the motor 14 are provided with spring connect on plate 12
Connect；The lower end fixed cover of the Hollow Transmission Shafts 15 is provided with the knob mandrel 17 of pin 16 equipped with one end, and the pin 16 is ground with waiting
The open slot docking of grinder part valve element upper end；Twin shaft adjustable type cylinder 18 is installed on the twin shaft adjustable type cylinder mounting plate 7,
The connected cylinder push pedal 13 of the push rod of twin shaft adjustable type cylinder；During work, workpiece to be ground valve body 20 is placed on valve body microscope carrier 3, is treated
In the insertion workpiece to be ground of grinding work-piece valve element 21 valve body 20, chuck 10 is in the both sides of valve element 21, and rotary core shaft 17 pushes down valve element
21 upper ends.
2. plug valve of gas stove grinder according to claim 1, it is characterised in that the ground station also includes aobvious control
Man-machine interface.
3. plug valve of gas stove grinder according to claim 1, it is characterised in that the electric control system uses PLC
System is controlled.
4. plug valve of gas stove grinder according to claim 1, it is characterised in that the motor is band gearhead
The variable-speed motor of deceleration.
5. plug valve of gas stove grinder according to claim 1, it is characterised in that be provided with alignment pin on the microscope carrier,
Hole site with valve body body is corresponding.
6. plug valve of gas stove grinder according to claim 1, it is characterised in that the rotary cylinder 2 be 0-90 ° or
The cylinder repeatedly of the interval predeterminable anglec of rotation of 0-180 degree.
7. plug valve of gas stove grinder according to claim 1, it is characterised in that the rotary cylinder 2, three axle cylinders
8th, gripper cylinder 9 is provided with dust excluding plate 19.
8. a kind of Ginding process of plug valve of gas stove grinder as claimed in claim 1, specific grinding steps are as follows：
（1）Switch on power, grinder is in holding state；
（2）Valve element 21 and valve body 20 are matched, and are positioned on microscope carrier 3；
（3）Start button is pressed, motor 14 starts；
（4）Electric control system sends instruction, and the push rod of twin shaft adjustable type cylinder 18 is moved downward, and by cylinder push pedal 13, slides
Plate 11 drives motor 14 to move downward, and knob mandrel 17 and the rotation of pin 16 thereon decline, until rotate to valve element 21
At open slot, pin 16 is imported in the open slot of valve element 21, and the contact dynamics between valve element 21 and valve body 20 gradually increases, and realizes
The positioning of valve element 21；
（5）Pin 16 of the power of motor 14 through the lower end of knob mandrel 17 is delivered to the valve element 20 of plug valve to be ground, is allowed to
Rotated together with drive motor 14, the stage is once ground in valve element 21 and the entrance of valve body 20；
（6）Once after grinding certain time, electric control system sends instruction, and the pin 16 of knob mandrel 17 and knob mandrel 17 exists
Twin shaft adjustable type cylinder 18 drives lower rising, departs from valve element 21, and valve element 21 is clamped the folder of cylinder 9 under the effect of three axle cylinders 8
Hand 10 clamps rising, departs from valve body 20, and valve element 21 departs from after valve body 20, and electric control system sends instruction, and rotary cylinder 2 drives
Microscope carrier 3 and valve body 20 are rotated by 90 °；
（7）In the case of being not required to by start button, electric control system sends instruction, repeat step 4,5,6, into two, three,
4th, five ... secondary grinding stage；
（8）Grinding stage number of times and milling time are modified adjustment by aobvious control man-machine interface input parameter, are accorded with to plug valve
Grinding is completed when closing the characteristic requirements of grinding.
9. the Ginding process of plug valve of gas stove grinder according to claim 8, it is characterised in that the He of valve element 21
Valve body 20 smears grinding agent before matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710599612.0A CN107186574A (en) | 2017-07-21 | 2017-07-21 | A kind of plug valve of gas stove grinder and its Ginding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710599612.0A CN107186574A (en) | 2017-07-21 | 2017-07-21 | A kind of plug valve of gas stove grinder and its Ginding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107186574A true CN107186574A (en) | 2017-09-22 |
Family
ID=59884551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710599612.0A Pending CN107186574A (en) | 2017-07-21 | 2017-07-21 | A kind of plug valve of gas stove grinder and its Ginding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107186574A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481186A (en) * | 2018-06-06 | 2018-09-04 | 温州大学 | A kind of valve seat grinding compressing fixture of adjustable positive pressure |
| CN110640563A (en) * | 2019-10-21 | 2020-01-03 | 上海中船三井造船柴油机有限公司 | Pneumatic full-automatic polishing equipment for deep holes |
| CN112496952A (en) * | 2020-11-20 | 2021-03-16 | 昌河飞机工业（集团）有限责任公司 | Automatic grinding device for valve and valve plug of airplane shimmy damper |
| CN115383561A (en) * | 2022-10-10 | 2022-11-25 | 重庆电子工程职业学院 | Automatic valve lapping system and grinding method thereof |
| CN116197772A (en) * | 2023-05-06 | 2023-06-02 | 成都乘风阀门有限责任公司 | Plug valve grinder |
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| CN204019334U (en) * | 2014-08-18 | 2014-12-17 | 江苏神通阀门股份有限公司 | A kind of spheroid of ball valve and valve seat carry out the frock of facing-up processing |
| CN104526535A (en) * | 2014-12-24 | 2015-04-22 | 湘潭职业技术学院 | Gas stove switching valve grinding machine and grinding method thereof |
| CN105729270A (en) * | 2016-02-29 | 2016-07-06 | 苏州纽威阀门股份有限公司 | Grinding mechanism for valve core and valve seat |
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| CN203357193U (en) * | 2013-06-28 | 2013-12-25 | 自贡硬质合金有限责任公司 | Grinding device for petroleum drilling and production oil-well pump valve seat |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481186A (en) * | 2018-06-06 | 2018-09-04 | 温州大学 | A kind of valve seat grinding compressing fixture of adjustable positive pressure |
| CN108481186B (en) * | 2018-06-06 | 2024-05-24 | 温州大学 | Valve seat grinding and pressing clamp capable of adjusting forward pressure |
| CN110640563A (en) * | 2019-10-21 | 2020-01-03 | 上海中船三井造船柴油机有限公司 | Pneumatic full-automatic polishing equipment for deep holes |
| CN110640563B (en) * | 2019-10-21 | 2021-07-06 | 上海中船三井造船柴油机有限公司 | Pneumatic full-automatic polishing equipment for deep holes |
| CN112496952A (en) * | 2020-11-20 | 2021-03-16 | 昌河飞机工业（集团）有限责任公司 | Automatic grinding device for valve and valve plug of airplane shimmy damper |
| CN112496952B (en) * | 2020-11-20 | 2023-04-28 | 昌河飞机工业（集团）有限责任公司 | Automatic grinding device for valve and valve plug of aircraft shimmy damper |
| CN115383561A (en) * | 2022-10-10 | 2022-11-25 | 重庆电子工程职业学院 | Automatic valve lapping system and grinding method thereof |
| CN116197772A (en) * | 2023-05-06 | 2023-06-02 | 成都乘风阀门有限责任公司 | Plug valve grinder |
| CN116197772B (en) * | 2023-05-06 | 2023-07-21 | 成都乘风阀门有限责任公司 | Plug valve grinder |
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Application publication date: 20170922 |