CN111015439A - Valve clack grinding device - Google Patents
Valve clack grinding device Download PDFInfo
- Publication number
- CN111015439A CN111015439A CN201911371723.1A CN201911371723A CN111015439A CN 111015439 A CN111015439 A CN 111015439A CN 201911371723 A CN201911371723 A CN 201911371723A CN 111015439 A CN111015439 A CN 111015439A
- Authority
- CN
- China
- Prior art keywords
- disc
- valve clack
- telescopic rod
- locking
- valve
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The application provides a valve clack grinding device which comprises a rack, a housing, an upright post, a motor, a transmission mechanism, a rotating disc, a fixed grinding disc, a plurality of circumferential limiting devices and a plurality of driving devices, wherein the rotating disc is arranged on the upright post, and the motor drives the rotating disc to rotate through the transmission mechanism; the fixed grinding disc is fixedly arranged on the upright post; the plurality of circumferential limiting devices are annularly arranged on the fixed grinding disc and comprise V-shaped retaining rings and floating stop blocks, and the valve clacks are limited between the V-shaped retaining rings and the floating stop blocks; the driving devices are annularly arranged on the rotating disc, friction wheels of the driving devices which are arranged in a floating mode can be abutted against the periphery of the valve clack, and the valve clack rotates by means of friction force exerted on the peripheral face of the valve clack by the friction wheels. The application provides a valve clack grinder, can grind the valve clack of various dimensions and flashboards automatically and sealed face, grind effectual, and avoid valve clack, flashboard to receive impact damage.
Description
Technical Field
The invention relates to a valve processing machine, in particular to a valve clack grinding device.
Background
The valve with valve clack or gate as the opening and closing part has the features of small flow resistance and simple and convenient operation, and may be used widely in petroleum, chemical and water pipeline. The valve is sealed by the contact of sealing surfaces between the valve clack, the flashboard and the valve seat and by the formation of specific pressure by medium pressure or pressure input by an operating mechanism. At present, the finish machining of the sealing surfaces of the valve clack and the flashboard adopts manual grinding machining, and the manual grinding machining is adopted in some large-scale planetary grinding machines or vibration grinding machines, so that the labor intensity is high, the grinding efficiency is very low, the grinding quality is unstable and can not be interchanged, the sealing effect of the valve clack is seriously influenced, the integral quality of the valve is further influenced, and the phenomenon of cap leakage and water leakage of the valve in a short period after the valve is used is caused; and the large-scale planet grinder has high manufacturing cost, low grinding efficiency, limited application range and the like.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a valve flap grinding apparatus capable of automatically grinding sealing surfaces of valve flaps and gate flaps of various sizes, having a good grinding effect, and preventing the valve flaps and gate flaps from being damaged by impact.
In order to solve the technical problems, the invention provides the following technical scheme:
a valve clack grinding device comprises a rack, a housing, an upright post, a motor, a transmission mechanism, a rotating disk, a fixed grinding disk, a plurality of circumferential limiting devices and a plurality of driving devices, wherein the rotating disk is arranged on the upright post, and the motor drives the rotating disk to rotate through the transmission mechanism; the fixed grinding disc is fixedly arranged on the upright post; the plurality of circumferential limiting devices are annularly arranged on the fixed grinding disc and comprise V-shaped retaining rings and floating stop blocks, and the valve clacks are limited between the V-shaped retaining rings and the floating stop blocks; the driving devices are annularly arranged on the rotating disc, friction wheels of the driving devices which are arranged in a floating mode can be abutted against the periphery of the valve clack, and the valve clack rotates by means of friction force exerted on the peripheral face of the valve clack by the friction wheels.
Furthermore, the V-shaped retainer ring comprises a V-shaped frame and a pair of rollers, the V-shaped frame is fixedly arranged on the fixed grinding disc, the pair of rollers are symmetrically arranged at the opening end of the V-shaped frame, and the rollers are abutted against the outer peripheral surface of the valve clack.
Furthermore, the floating stop block comprises a moving seat, a telescopic rod, a second spring, a locking device and a locking device, the moving seat can move along a strip-shaped hole on the fixed grinding disc, the telescopic rod is in sliding fit with the guide hole of the moving seat, a roller is arranged at the front end of the telescopic rod, the second spring pushes the telescopic rod to move so that the roller abuts against the outer peripheral surface of the valve clack, the locking device is used for locking the telescopic rod, and the locking device is used for locking the moving seat.
Furthermore, the locking device comprises a lock head, a wedge block, a push rod and a third spring, the lock head is arranged in the slide way hole of the movable seat in a sliding mode, the third spring is arranged between the bottom surface of the slide way hole and the lock head, the wedge block is arranged in the mounting hole of the movable seat in a sliding mode, the small end of the wedge block extends into the through hole of the lock head, one end of the push rod is fixedly connected to the end face of the large end of the wedge block, and the other end of the push rod extends outwards.
Furthermore, the cross section of the telescopic rod is quadrilateral, a pair of clamping grooves arranged along the axial direction of the telescopic rod are arranged on one side face of the telescopic rod, and the telescopic rod is locked when the lock head extends into the clamping grooves.
Furthermore, the locking device comprises a vertical plate fixedly arranged on the fixed grinding disc and a friction plate in threaded connection with the vertical plate, and the friction plate is rotated to enable the friction end face of the friction plate to be abutted against the side face of the movable seat so as to prevent the movable seat from moving.
Furthermore, the centers of the three rollers are always positioned on the same circle.
Further, drive arrangement still includes the guide bar and the interval sets up stopper, fender shoulder on the guide bar, the guide bar slides and sets up on the annular flange of rotary disk, just the annular flange is located between stopper and the fender shoulder, the cover is equipped with first spring on the guide bar, just first spring is located the annular flange with keep off between the shoulder, the friction pulley pin joint is in being close to of guide bar keep off one of shoulder and serve, just the friction pulley is located in the annular flange.
Furthermore, the rotating disc further comprises a disc body, the disc body is rotatably arranged on the upright column, the annular flange is coaxially and fixedly arranged on the upper end face of the disc body, and the fixed grinding disc is positioned above the disc body.
According to the technical scheme, the invention has the following beneficial effects:
1. because the friction wheel is adopted to drive the valve clack to rotate, the valve clack can reliably rotate and the grinding effect is good;
2. because the valve clack is limited between the V-shaped retainer ring and the floating stop block, compared with the prior art, the valve clack cannot be damaged due to impact of inertia overshoot and a circumferential limiting device;
3. because the circle centers of the three rollers are always positioned on the same circle, the circumferential limiting device can be used by valve clacks with various diameter specifications without using a special check ring.
The invention is described in further detail below with reference to the figures and the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a schematic structural view of the driving device and the circumferential limiting device of the present invention.
Fig. 4 is a schematic structural view of a floating stopper of the circumferential direction limiter of the present invention.
FIG. 5 is a schematic view of the locking device of the floating stop of the present invention
Description of reference numerals: the device comprises a frame 1, a housing 2, an upright post 3, a rotating disc 4, a disc body 41, an annular flange 42, a driving device 5, a guide rod 51, a friction wheel 52, a limiting block 53, a retaining shoulder 54, a first spring 55, a fixed grinding disc 6, a strip-shaped hole 61, a circumferential limiting device 7, a V-shaped retaining ring 71, a V-shaped frame 711, a roller 712, a floating stop 72, a moving seat 721, a guide hole 7211, a slide channel hole 7212, a mounting hole 7213, an expansion rod 722, a clamping groove 7221, a second spring 723, a locking device 724, a locking head 7241, a wedge 7242, a push rod 7243, a third spring 7244, a friction plate 725, a vertical plate 726, a motor 8, a transmission mechanism 9 and a valve flap 100.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The present application is further described with reference to fig. 1 to 5, and a valve flap grinding device as shown in fig. 1, 2 and 3 includes a frame 1, a housing 2, an upright column 3, a motor 8, a transmission mechanism 9, a rotating disc 4, a fixed grinding disc 6, a plurality of circumferential limiting devices 7 and a plurality of driving devices 5, wherein one end of the housing 2 is pivoted on the frame 1, the upright column 3 is fixedly disposed on the frame 1, the rotating disc 4 is movably disposed on the upright column 3, and the motor 8 drives the rotating disc 4 to rotate through the transmission mechanism 9; the fixed grinding disc 6 is fixedly arranged on the upright post 3; the plurality of circumferential limiting devices 7 are annularly arranged on the fixed grinding disc 6, each circumferential limiting device 7 comprises a V-shaped retaining ring 71 and a floating stop 72, and the valve clack 100 is limited between the V-shaped retaining ring 71 and the floating stop 72, so that the valve clack 100 is prevented from colliding with the circumferential limiting devices 7 under the action of inertia force to cause damage; the driving devices 5 are annularly arranged on the rotating disc 4, the friction wheel 52 of the driving devices 5 which are arranged in a floating mode can be abutted against the periphery of the valve clack 100, and the valve clack 100 rotates by utilizing the friction force exerted on the periphery of the valve clack 100 by the friction wheel 52, so that the grinding is reliable and the grinding effect is good.
As shown in fig. 1 and 2, the rotating disc 4 includes a disc body 41 and an annular flange 42 coaxially and fixedly provided on an upper end surface of the disc body 41, the disc body 41 is rotatably provided on the column 3, and the fixed abrasive disc 6 is located above the disc body 41.
As shown in fig. 3, the driving device 5 further includes a guide rod 51, and a stop block 53 and a stop shoulder 54 which are spaced apart from each other on the guide rod 51, the guide rod 51 is slidably disposed on the annular flange 42 of the rotating disk 4, the annular flange 42 is located between the stop block 53 and the stop shoulder 54, a first spring 55 is sleeved on the guide rod 51, the first spring 55 is located between the annular flange 42 and the stop shoulder 54, the friction wheel 52 is pivotally connected to an end of the guide rod 51 close to the stop shoulder 54, and the friction wheel 52 is located in the annular flange 42, wherein the guide rod 51 moves along a radial direction of the disk body 41. By adopting the structure, the friction wheel 52 is arranged in a floating manner, when the friction wheel 52 touches the valve clack 100, the friction wheel is compressed, the friction force between the friction wheel 52 and the valve clack 100 is increased, and the valve clack 100 is driven to reliably rotate and can be suitable for the valve clacks 100 with different diameters.
As shown in fig. 3 and 4, the V-shaped retainer ring 71 includes a V-shaped frame 711 and a pair of rollers 712, the V-shaped frame 711 is fixedly disposed on the fixed grinding disk 6, the pair of rollers 712 is symmetrically disposed at an opening end of the V-shaped frame 711, and the rollers 712 abut against an outer circumferential surface of the valve flap 100; the floating stop 72 comprises a moving seat 721, an expansion link 722, a second spring 723, a locking device 724 and a locking device, wherein the moving seat 721 can move along a strip-shaped hole 61 on the fixed abrasive disc 6, the expansion link 722 is in sliding fit with a guide hole 7211 of the moving seat 721, a roller 712 is arranged at the front end of the expansion link 722, the second spring 723 pushes the expansion link 722 to move so that the roller 712 abuts against the outer peripheral surface of the valve flap 100, the locking device 724 is used for locking the expansion link 722, the locking device is used for locking the moving seat 721, the circle centers of the three rollers 712 are always located on the same circle, so that the circumferential limiting device 7 can be applied to the limitation of the valve flaps 100 with different diameters, the special circumferential limiting device 7 does not need to be replaced, and the use is convenient.
As shown in fig. 4, the locking device includes an upright plate 726 fixedly disposed on the fixed abrasive disk 6 and a friction plate 725 threadedly coupled to the upright plate 726, and the friction plate 725 is rotated to make a friction end surface of the friction plate 725 abut against a side surface of the movable seat 721 to prevent the movable seat 721 from moving, so that the position of the movable seat 721 can be conveniently adjusted.
As shown in fig. 5, the locking device 724 includes a locking head 7241, a wedge 7242, a push rod 7243 and a third spring 7244, the locking head 7241 is slidably disposed in the slide hole 7212 of the moving seat 721, the third spring 7244 is disposed between the bottom surface of the slide hole 7212 and the locking head 7241, the locking head 7241 is always kept in abutment against the telescopic rod 722 by the third spring 7244, the wedge 7242 is slidably disposed in the mounting hole 7213 of the traveling seat 721, the small end of the wedge 7242 extends into the through hole of the lock 7241, one end of the push rod 7243 is fixedly connected to the end surface of the large end of the wedge 7242, the other end of the push rod 7243 extends outwards, wherein the runner hole 7212 is formed in a side wall of the guide hole 7211, the mounting hole 7213 is formed in an end surface of the moving seat 721, and the mounting hole 7213 communicates with the chute hole 7212, and the axis of the mounting hole 7213 is parallel to the axis of the guide hole 7211. When the push rod 7243 is pressed to contract the locking head 7241, the locking of the extension rod 722 is released.
As shown in fig. 5, the cross section of the expansion rod 722 is quadrilateral, a pair of slots 7221 axially disposed along the expansion rod 722 is disposed on one side of the expansion rod 722, and the expansion rod 722 is locked when the locking head 7241 extends into the slots 7221. When the telescopic rod 722 is in the retracted extreme position, the installation of the valve clack 100 is facilitated, the telescopic rod 722 is used for limiting the valve clack 100 when floating, and the telescopic rod 722 is locked when extending to the extreme position so as to avoid rushing out.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a valve clack grinder, includes frame (1), housing (2), stand (3), motor (8) and drive mechanism (9), its characterized in that still includes:
the rotating disc (4), the rotating disc (4) is arranged on the upright post (3), and the motor (8) drives the rotating disc (4) to rotate through the transmission mechanism (9);
the fixed grinding disc (6), the fixed grinding disc (6) is fixedly arranged on the upright post (3);
the plurality of circumferential limiting devices (7) are annularly arranged on the fixed grinding disc (6), each circumferential limiting device (7) comprises a V-shaped retaining ring (71) and a floating stop block (72), and the valve clack (100) is limited between the V-shaped retaining ring (71) and the floating stop block (72);
the driving devices (5) are annularly arranged on the rotating disc (4), a friction wheel (52) of the driving devices (5) which are arranged in a floating mode can be abutted against the periphery of the valve flap (100), and the valve flap (100) rotates by utilizing the friction force exerted on the peripheral face of the valve flap (100) by the friction wheel (52).
2. The valve flap grinding device according to claim 1, characterized in that the V-shaped retainer ring (71) comprises a V-shaped frame (711) and a pair of rollers (712), the V-shaped frame (711) is fixedly arranged on the fixed grinding disc (6), the pair of rollers (712) are symmetrically arranged at the opening end of the V-shaped frame (711), and the rollers (712) abut against the outer circumferential surface of the valve flap (100).
3. The flap grinding device according to claim 2, characterized in that the floating stop (72) comprises a moving seat (721), a telescopic rod (722), a second spring (723), a locking device (724) and a locking device, wherein the moving seat (721) can move along a strip-shaped hole (61) on the fixed grinding disc (6), the telescopic rod (722) is in sliding fit with a guide hole (7211) of the moving seat (721), a roller (712) is arranged at the front end of the telescopic rod (722), the second spring (723) pushes the telescopic rod (722) to move so that the roller (712) abuts against the outer circumferential surface of the flap (100), the locking device (724) is used for locking the telescopic rod (722), and the locking device is used for locking the moving seat (721).
4. The valve flap grinding device according to claim 3, wherein the locking device (724) includes a locking head (7241), a wedge (7242), a push rod (7243), and a third spring (7244), the locking head (7241) is slidably disposed in a chute hole (7212) of the moving seat (721), the third spring (7244) is disposed between a bottom surface of the chute hole (7212) and the locking head (7241), the wedge (7242) is slidably disposed in a mounting hole (7213) of the moving seat (721), and a small end of the wedge (7242) protrudes into a through hole of the locking head (7241), one end of the push rod (7243) is fixedly connected to an end surface of a large end of the wedge (7242), and the other end of the push rod (7243) extends outward.
5. The valve flap grinding device according to claim 4, characterized in that the cross section of the telescopic rod (722) is quadrilateral, a pair of slots (7221) is arranged on one side surface of the telescopic rod (722) along the axial direction of the telescopic rod (722), and the telescopic rod (722) is locked when the locking head (7241) extends into the slots (7221).
6. The flap grinder of claim 3, wherein the locking means comprises a vertical plate (726) fixedly disposed on the fixed grinding disk (6) and a friction plate (725) screwed to the vertical plate (726), and the movable seat (721) is prevented from moving by rotating the friction plate (725) to abut a friction end surface of the friction plate (725) against a side surface of the movable seat (721).
7. The flap grinding device according to claim 3, characterized in that the centers of the three rollers (712) are always located on the same circle.
8. The valve flap grinding device according to claim 1, characterized in that the driving device (5) further comprises a guide rod (51) and a stop block (53) and a stop shoulder (54) which are arranged on the guide rod (51) at intervals, the guide rod (51) is arranged on the annular flange (42) of the rotating disk (4) in a sliding manner, the annular flange (42) is positioned between the stop block (53) and the stop shoulder (54), a first spring (55) is sleeved on the guide rod (51), the first spring (55) is positioned between the annular flange (42) and the stop shoulder (54), the friction wheel (52) is pivoted on one end of the guide rod (51) close to the stop shoulder (54), and the friction wheel (52) is positioned in the annular flange (42).
9. The flap grinding device according to claim 8, characterized in that the rotating disc (4) further comprises a disc body (41), the disc body (41) being rotatably disposed on the upright (3), the annular flange (42) being coaxially fixedly disposed on an upper end face of the disc body (41), the fixed grinding disc (6) being located above the disc body (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371723.1A CN111015439B (en) | 2019-12-26 | 2019-12-26 | Valve clack grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371723.1A CN111015439B (en) | 2019-12-26 | 2019-12-26 | Valve clack grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111015439A true CN111015439A (en) | 2020-04-17 |
| CN111015439B CN111015439B (en) | 2021-01-01 |
Family
ID=70214008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911371723.1A Active CN111015439B (en) | 2019-12-26 | 2019-12-26 | Valve clack grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111015439B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211341A (en) * | 2021-12-15 | 2022-03-22 | 江苏永炬锻造有限公司 | Closed die forging flying-stab treatment equipment for flange machining and use method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2743556A (en) * | 1953-03-19 | 1956-05-01 | John Powers Van Steenberg | Apparatus for and method of machining valve wedge with disc grinder |
| CN2041605U (en) * | 1988-12-02 | 1989-07-26 | 山东省鱼台县阀门厂 | Finishing machine for valve clack |
| CN203726321U (en) * | 2014-03-05 | 2014-07-23 | 永嘉县得利机电液压实业公司 | Precision flashboard grinding machine |
| CN203973368U (en) * | 2014-07-30 | 2014-12-03 | 永嘉县特优机械有限公司 | A kind of finishing machine for valve clack |
| CN204604071U (en) * | 2015-03-10 | 2015-09-02 | 张家港市盛鑫低温设备有限公司 | A kind of flap lapping device |
| CN106239346A (en) * | 2016-09-30 | 2016-12-21 | 广州特种承压设备检测研究院 | A kind of valve clack of safety valve Magnetic-Fluid Grinding buffing machine and finishing method |
| CN207267193U (en) * | 2017-11-07 | 2018-04-24 | 江南大学 | A kind of planetary finishing machine for valve clack |
-
2019
- 2019-12-26 CN CN201911371723.1A patent/CN111015439B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2743556A (en) * | 1953-03-19 | 1956-05-01 | John Powers Van Steenberg | Apparatus for and method of machining valve wedge with disc grinder |
| CN2041605U (en) * | 1988-12-02 | 1989-07-26 | 山东省鱼台县阀门厂 | Finishing machine for valve clack |
| CN203726321U (en) * | 2014-03-05 | 2014-07-23 | 永嘉县得利机电液压实业公司 | Precision flashboard grinding machine |
| CN203973368U (en) * | 2014-07-30 | 2014-12-03 | 永嘉县特优机械有限公司 | A kind of finishing machine for valve clack |
| CN204604071U (en) * | 2015-03-10 | 2015-09-02 | 张家港市盛鑫低温设备有限公司 | A kind of flap lapping device |
| CN106239346A (en) * | 2016-09-30 | 2016-12-21 | 广州特种承压设备检测研究院 | A kind of valve clack of safety valve Magnetic-Fluid Grinding buffing machine and finishing method |
| CN207267193U (en) * | 2017-11-07 | 2018-04-24 | 江南大学 | A kind of planetary finishing machine for valve clack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211341A (en) * | 2021-12-15 | 2022-03-22 | 江苏永炬锻造有限公司 | Closed die forging flying-stab treatment equipment for flange machining and use method |
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| Publication number | Publication date |
|---|---|
| CN111015439B (en) | 2021-01-01 |
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