CN103481182A - Hydraulic-spring mechanism reversing-valve valve spool and valve bush running-in device - Google Patents
Hydraulic-spring mechanism reversing-valve valve spool and valve bush running-in device Download PDFInfo
- Publication number
- CN103481182A CN103481182A CN201310401509.2A CN201310401509A CN103481182A CN 103481182 A CN103481182 A CN 103481182A CN 201310401509 A CN201310401509 A CN 201310401509A CN 103481182 A CN103481182 A CN 103481182A
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- valve pocket
- grinding
- spool
- valve
- running
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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
- B24B37/005—Control means for lapping machines or devices
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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
-
- 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
- B24B37/34—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a hydraulic-spring mechanism reversing-valve valve spool and valve bush running-in device comprising a grinding box body. A control mechanism is arranged in a lower box body of the grinding box body, a reducing mechanism is arranged in an upper box body of the grinding box body, a grinding mechanism is arranged on the reducing mechanism, and a guide mechanism is arranged on a box cover of the upper box body above the grinding mechanism. The grinding mechanism at least comprises a valve spool clamped by a set of clamping mechanism and a valve bush sleeved on the valve spool. The control mechanism is connected with the reducing mechanism through a motor to drive the valve spools in the grinding mechanism to rotate relatively to the valve bush, so that grinding of the valve spools under the action of the positioning valve bushes of the guide mechanism can be realized. The hydraulic-spring mechanism reversing-valve valve spool and valve bush running-in device is compact in design, simple in structure, easy to operate and applicable to grinding of hard-sealed parts in other industries. Conventional manual grinding technology can be replaced by the grinding device, so that grinding automation is realized.
Description
Technical field
The present invention relates to the lapping device of hydraulic system reversal valve metal sealing part, particularly the lapping device of spool valve pocket in a kind of hydraulic spring mechanism reversal valve.
Background technology
Along with country's development of electric utility in recent years, the application of domestic hydraulic actuating mechanism in breaker is more extensive, and valve component is as the core component in hydraulic actuating mechanism, and its quality is particularly important.In this valve component, reversal valve is carrying dividing of whole mechanism and switching action, require spool between the spool valve pocket under closure state, good sealing property will be arranged after snap action, can carry the pressure up to the 60Mpa oil pressure, not allow the generation of any leakage.
For guaranteeing good sealing property between spool, valve pocket, spool is before the valve pocket of packing into, utilize abrasive pastes mutually to grind the place, inclined-plane of spool and the seal angle of valve pocket, potted line is ground out at place, inclined-plane at spool one, and when assembling, the spool valve pocket that this pairing is ground requires assembling in pairs, non-exchange.To guarantee the sealing of abrasive wire.
This grinding technique always is by the assembler in toilet's hand-ground, due to spool valve pocket surface all through quench hot, hardness is all more than HRC45-50, generally be not less than 1 hour therefore complete this grinding operation, its hand lapping technology is because milling time is long, grinding operation efficiency is low, the large and difficult quality guarantee of labour intensity.Therefore, designing a kind of automatic grinding device is used for replacing the hand-ground operation to become this area technical problem urgently to be resolved hurrily.
Summary of the invention
The objective of the invention is to be to provide a kind of hydraulic spring mechanism change-over valve core valve pocket running-in machine, this device is compact to design, simple in structure, easy operating, and be applicable to the grinding (hard sealing is not by the flexible seals sealing, directly by the sealing of part Metal Contact face) of hard-sealing zero part in other industries.
The present invention seeks to realize by following technical proposals.
A kind of hydraulic spring mechanism change-over valve core valve pocket running-in machine, comprise a grinding casing, be provided with controlling organization at the lower box that grinds casing, the upper box that grinds casing is provided with reducing gear, be provided with grinding mechanism on reducing gear, above grinding mechanism, on the case lid of upper box, be provided with guiding mechanism; Described grinding mechanism at least comprises the spool of a set of clamp mechanism clamping and is socketed on the valve pocket on spool; The spool that described controlling organization connects in reducing gear drive grinding mechanism by motor rotates with respect to valve pocket, thereby realizes the grinding to spool under the effect of guiding mechanism location valve pocket.
Further, described controlling organization includes motor, the rectifying block be connected successively with motor, timer, contactor and small-sized line protector.
Further, described reducing gear comprises the driving gear be connected with motor output shaft by bearing, and the driven gear of driving gear engagement, and driven gear connects with the clamp shaft be connected thereon, by motor, rotarily drives the clamp mechanism rotation.
Further, be provided with the driven gear of many cover driving gears engagement in described reducing gear, all be connected with a set of clamp mechanism on each driven gear.
Further, described clamp mechanism comprises a clamp shaft, and the clamp shaft lower end is provided with the two-stage frustum, and upper end is provided with the endoporus of placing spool, along endoporus axially have several telescopic chutes, screwed hole is established in the endoporus bottom, top is provided with ringfeder; The clamp shaft outside corresponding with ringfeder is socketed with gripping sleeve, and gripping sleeve is positioned on clamp shaft by fastening spring.
Further, described spool is an axis structure, and valve pocket is socketed on this axis body, be provided with in the spool bottom clamping seats that is clamped in clamp shaft, the top of clamping seats is provided with potted line to be ground, and abrasive body is established in the bottom that is socketed on the valve pocket on spool, and abrasive body contacts with potted line to be ground.
Further, the top of described valve pocket extends in its cavity and is provided with an afterbody counterbore, and the afterbody counterbore is connected with the guiding mechanism in grinding mechanism.
Further, described guiding mechanism is arranged on the case lid that grinds casing top, along being evenly equipped with several pin holes corresponding with valve pocket on the end face of case lid, is penetrated with large pivot pin in each pin hole, be provided with little pivot pin at large pivot pin sidepiece, little pivot pin below is connected with guide spring.
Further, described large pivot pin one end is connected with the case lid gap, and the other end stretches in described valve pocket afterbody counterbore; Little pivot pin one end and case lid are fixed, and the other end connects spring; The other end of described spring is perpendicular to acting on the valve pocket tail end face.
Further, be connected with handle by holding screw on described case lid.
With respect to prior art, characteristics of the present invention are:
1) spool and valve pocket are arranged in lapping device, by the driven by motor clamping device, thereby the band movable valve plug rotates with respect to valve pocket, realizes the automatic grinding at spool position to be ground;
2) clamping device discharges elasticity by spring, drives gripping sleeve to realize locking to ringfeder, further realizes spool is realized to clamping action;
3) guider is implemented location and guiding Self-resetting by alignment pin and spring to valve pocket, thereby reach valve pocket, the location of spool is ground and can be guaranteed the sealing of abrasive wire;
4) designed the motor fixing by upper cover, base and under casing and deceleration device, rotated by the driving and driven gear of driven by motor, further driven clamping device and rotate, finally driven valve core rotation and realize automatic grinding;
5) designed the control device that comprises small-sized line protector, contactor, timer and rectifying block, can realize automatically controlling grinding step, improve efficiency and the Grinding Quality of grinding operation.
This automatic grinding device can be used for replacing the hand-ground operation, is suitable in industry promoting the use of.
The accompanying drawing explanation
Fig. 1 is lapping device overall structure schematic diagram of the present invention.
Fig. 2 is lapping device cutaway view of the present invention.
Fig. 2 (a) is deceleration device partial structurtes schematic diagram of the present invention.
Fig. 2 (b) is the deceleration device of the present invention seat of honour and lower syndeton schematic diagram.
Fig. 3 is clamping device structural representation in apparatus of the present invention.
Fig. 4 (a), Fig. 4 (b) are that schematic diagram is ground in the assembling of spool valve pocket.
Fig. 5 (a), Fig. 5 (b) are guider structural representations in apparatus of the present invention.
In figure: 1. spool; 1-1. clamping seats; 1-2. potted line to be ground; 2. valve pocket; 2-1. afterbody counterbore; 2-2. abrasive body; 3. grinding mechanism; 4. case lid; 5. guiding mechanism; 6. clamp mechanism; 7. reducing gear; 8. controlling organization; 9. handle; 10. holding screw (connecting 9 and 4); 11. large pivot pin; 12. little pivot pin; 13. guide spring; 14. clamp shaft; 15. ringfeder; 16. gripping sleeve; 17. fastening spring; 18. the upper box seat of honour; 19. lower of upper box; 20. attachment pegs (connecting 18 and 19); 21. casing attachment screw (connecting 18 and 19); 22. driven gear; 23. large bearing; 24. little bearing; 25. back-up ring; 25-1. adjusting pad; 26. key; 27. motor; 28. driving gear; 29. screw a (fixing 31); 30. lower box; 31. rectifying block; 32. screw b(fixes 33); 33. guide rail; 34. small-sized line protector; 35. contactor; 36. timer; 37. upper box.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
As shown in Figure 1, this hydraulic spring mechanism change-over valve core valve pocket running-in machine, comprise a grinding casing, be provided with controlling organization 8 at the lower box 30 that grinds casing, the upper box 37 that grinds casing is provided with reducing gear 7, be provided with grinding mechanism 3 on reducing gear, above grinding mechanism 3, on the case lid of upper box 37, be provided with guiding mechanism 5; Grinding mechanism 3 at least comprises the spool 1 of a set of clamp mechanism 6 clampings and is socketed on the valve pocket 2 on spool 1; The spool 1 that controlling organization connects in reducing gear 7 drive grinding mechanisms 3 by motor 27 rotates with respect to valve pocket 2, thereby realizes the grinding to spool 1 under the effect of the 5 location valve pockets 2 of the guiding mechanism in grinding mechanism 3.
As shown in Figure 2, controlling organization includes motor 27, the rectifying block 31 be connected successively with motor 27, timer 36, contactor 35 and small-sized line protector 34.Wherein, screw a29 is rectifying block 31 fixedly, and the guide rail 33 of screw b32 fixed installation timer 36, contactor 35, small-sized line protector 34 and rectifying block 31, in order to the startup of motor, close and the control of milling time.
As Fig. 2 (a) and in conjunction with as shown in Fig. 2, reducing gear 7 comprises that (large bearing 23 is arranged on top by bearing, little bearing 24 is arranged on below) driving gear 28 that is connected with motor 27 output shafts, driven gear 22 with driving gear 28 engagements, driven gear 22 connects with the clamp shaft 14 be connected thereon, by motor, rotarily drives clamp shaft 14 rotations.Be provided with the symmetrical grinding mechanism that six cover driven gears drive altogether in the present embodiment in reducing gear, all be connected with a set of clamp shaft 14 on each driven gear 22, clamp shaft 14 is provided with key 26 with the driven gear joint; Large bearing 23 and little bearing 24 upper and lower sides are equipped with back-up ring 25 and regulate pad 25-1.
When by motor 27, driving driving gear 28 to rotate forward or backwards, drive driven gear 22 and axle 14 are done and are done accordingly oppositely or the forward constant revolution; Thereby driving clamping device realizes spool 1 sealing surface and valve pocket 2 abrasive body grinding effects.
As shown in Fig. 2 (b), under the upper box seat of honour 18 of grinding casing upper box 37 and upper box between seat 19 two ends madial walls, be provided with the attachment pegs 20 be connected by screw 21.
As shown in Figure 3, shown the clamp shaft 14 that clamp mechanism 6 is included, clamp shaft 14 lower ends are provided with the two-stage frustum, and upper end is provided with the endoporus of placing spool 1, along endoporus axially have several telescopic chutes, screwed hole is established in the endoporus bottom, top is provided with ringfeder 15; The clamp shaft corresponding with ringfeder 15 outside is socketed with gripping sleeve 16, and gripping sleeve 16 is positioned on clamp shaft 14 by fastening spring 17, and fastening spring 17 is positioned on the upper frustum of two-stage frustum of clamp shaft 14.
Its principle is, at the manpower lower gripping sleeve 16 of exerting pressure, move down, fastening spring 17 is compressed simultaneously, slightly open in the aperture of ringfeder 15, by the clamping seats 1-1 of spool 1 pressure that the rear releasing of ringfeder 15 exerts pressure of packing into, gripping sleeve 16 compresses ringfeder 15 under the effect of spring and by means of the tapering that steps up to overlap endoporus, and then spool 1 is clamped, thereby reaches the clamping ability to spool clamping seats 1-1.
As Fig. 4 (a), 4(b) as shown in, spool 1 is an axis structure, valve pocket 2 is socketed on this axis body, be provided with the clamping seats 1-1 that is clamped in clamp shaft 14 in spool 1 bottom, the top of clamping seats 1-1 is provided with potted line 1-2 to be ground, and abrasive body 2-2 is established in the bottom that is socketed on the valve pocket 2 on spool 1, and abrasive body 2-2 contacts with potted line 1-2 to be ground, drive the reducing gear rotation by clamp shaft 14 with motor 27, realize treating the grinding at grinding-in line 1-2 place with movable valve plug 1 rotation.
As shown in Figure 4 (a), the top of valve pocket 2 extends in its cavity and is provided with an afterbody counterbore 2-1, and afterbody counterbore 2-1 is connected with the guiding mechanism 5 in grinding mechanism 3.
As Fig. 5 (a), 5(b) as shown in, guiding mechanism 5 is arranged on the case lid 4 that grinds casing top, along being evenly equipped with several pin holes corresponding with valve pocket on the end face of case lid 4, be penetrated with large pivot pin 11 in each pin hole, be provided with little pivot pin 12 at large pivot pin 11 sidepieces, little pivot pin 12 belows are connected with guide spring 13.Large pivot pin 11 1 ends are connected with case lid 4 gaps, the other end stretches in described valve pocket 2 afterbody counterbore 2-1, for the matched in clearance location, prevents valve pocket rotation under the ordering about of the moment of torsion of spool transmission in process of lapping, little pivot pin 12 1 ends and case lid are fixed, and the other end connects guide spring 13; The other end of described guide spring 13, perpendicular to acting on valve pocket 2 tail end faces, guarantees that valve pocket 2 does not tilt in the facing-up process, abrasive wire is not offset.In process of lapping, by large pivot pin, valve pocket is located, little pivot pin and spring form automatic capturing, to meet the axiality requirement in the automatic grinding process of spool valve pocket, guarantee the sealing of grinding effect simultaneously.
And be connected with handle 9 by holding screw 10 on case lid 4, be convenient to grind the Portable handhold of casing.
Principle of the present invention is, the spool that is clamped in clamping device rotates after by deceleration device under the driving of motor, and valve pocket is close to the top that the spool inclined-plane is contained in spool, guider guarantees that the relative position of valve pocket and spool is correct, prevent the rotation of valve pocket along with spool simultaneously, and effectively reduced the vibration that causes valve pocket while grinding due to gear-driven slight vibration, guaranteed the axiality of part abrasive wire.The deadweight of valve pocket makes between valve pocket and spool to have certain contact, when being added with the Spool rotating of abrasive pastes, will grind out in the contact position of spool and valve pocket the potted line of an annular.
As Fig. 4 (b) signal, because but the spool clamping face is less, and the place that need grind out abrasive wire is positioned at the component with inclined plane place, add the particularity of the shape of part own, therefore while designing ringfeder in order to guarantee the clamping dynamics, have 4 place's saw kerfs on ringfeder, outer round belt tapering, endoporus upper end Design Orientation platform is for guaranteeing that spool has the exposed parts of certain size; Lower end, hole screw-threaded counterbore is for connecting the axis body on mechanical reduction gear, and simultaneously in order to realize clamping function, the gripping sleeve endoporus also is designed to tapering, coordinates the ringfeder cylindrical to realize clamping effect; This gripping sleeve profile is T-shaped, is convenient to dress, gets spool, and lower end band counterbore is convenient to assemble spring.Its design concept is to the locking of being exerted pressure of the ringfeder of the spool of packing into by the flexible drive gripping sleeve of spring.
While grinding for the spool valve pocket, spool grinds clockwise and counterclockwise grinding hockets, and grinding effect is better, when design, has increased by two time relays, realizes forward and backward within the time of setting.
This invention is not limited only to the grinding work of spool valve pocket in the hydraulic spring mechanism reversal valve, also is applicable to other similar spool valve pockets, the grinding of axis body class part.
In above-mentioned by reference to the accompanying drawings basic structure and the use principle to this device be described; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; those skilled in the art is under enlightenment of the present invention; do not breaking away from the scope situation that aim of the present invention and claim protect; can also make a lot of forms, within these all belong to protection of the present invention.
Claims (10)
1. a hydraulic spring mechanism change-over valve core valve pocket running-in machine, it is characterized in that, comprise a grinding casing, be provided with controlling organization at the lower box (30) that grinds casing, the upper box (37) that grinds casing is provided with reducing gear (7), be provided with grinding mechanism (3) on reducing gear, on the case lid of the top of grinding mechanism (3), upper box (37), be provided with guiding mechanism (5); Described grinding mechanism (3) at least comprises the spool (1) of a set of clamp mechanism (6) clamping and is socketed on the valve pocket (2) on spool (1); The spool (1) that described controlling organization connects in reducing gear (7) drive grinding mechanism (3) by motor (27) rotates with respect to valve pocket (2), thereby realizes the grinding to spool (1) under the effect of guiding mechanism (5) location valve pocket (2).
2. hydraulic spring mechanism change-over valve core valve pocket running-in machine according to claim 1; it is characterized in that; described controlling organization includes motor (27), the rectifying block (31) be connected successively with motor (27), timer (36), contactor (35) and small-sized line protector (34).
3. hydraulic spring mechanism change-over valve core valve pocket running-in machine according to claim 1, it is characterized in that, described reducing gear (7) comprises the driving gear (28) be connected with motor (27) output shaft by bearing, and the driven gear (22) of driving gear (28) engagement, driven gear (22) connects with the clamp shaft (14) be connected thereon, by motor, rotarily drives clamp mechanism (6) rotation.
4. hydraulic spring mechanism change-over valve core valve pocket running-in machine according to claim 3, it is characterized in that, be provided with the driven gear (22) of many cover driving gears (28) engagement in described reducing gear (7), all be connected with a set of clamp mechanism (6) on each driven gear (22).
5. according to claim 1,3 or 4 described hydraulic spring mechanism change-over valve core valve pocket running-in machines, it is characterized in that, described clamp mechanism (6) comprises a clamp shaft (14), clamp shaft (14) lower end is provided with the two-stage frustum, upper end is provided with the endoporus of placing spool (1), along endoporus axially have several telescopic chutes, screwed hole is established in the endoporus bottom, top is provided with ringfeder (15); The clamp shaft outside corresponding with ringfeder (15) is socketed with gripping sleeve (16), and gripping sleeve (16) is positioned on clamp shaft (14) by fastening spring (17).
6. hydraulic spring mechanism change-over valve core valve pocket running-in machine according to claim 1, it is characterized in that, described spool (1) is an axis structure, valve pocket (2) is socketed on this axis body, be provided with in spool (1) bottom the clamping seats (1-1) that is clamped in clamp shaft (14), the top of clamping seats (1-1) is provided with potted line to be ground (1-2), abrasive body (2-2) is established in the bottom that is socketed on the valve pocket (2) on spool (1), and abrasive body (2-2) contacts with potted line to be ground (1-2).
7. hydraulic spring mechanism change-over valve core valve pocket running-in machine according to claim 1, it is characterized in that, the top of described valve pocket (2) extends in its cavity and is provided with an afterbody counterbore (2-1), and afterbody counterbore (2-1) is connected with the guiding mechanism (5) in grinding mechanism (3).
8. hydraulic spring mechanism change-over valve core valve pocket running-in machine according to claim 1, it is characterized in that, described guiding mechanism (5) is arranged on the case lid (4) that grinds casing top, along being evenly equipped with several pin holes corresponding with valve pocket on the end face of case lid (4), be penetrated with large pivot pin (11) in each pin hole, be provided with little pivot pin (12) at large pivot pin (11) sidepiece, little pivot pin (12) below is connected with guide spring (13).
9. according to the described hydraulic spring mechanism change-over valve core of claim 7 or 8 valve pocket running-in machine, it is characterized in that, described large pivot pin (11) one ends are connected with case lid (4) gap, and the other end stretches in described valve pocket (2) afterbody counterbore (2-1); Little pivot pin (12) one ends and case lid are fixed, and the other end connects guide spring (13); The other end of described guide spring (13) is perpendicular to acting on valve pocket (2) tail end face.
10. hydraulic spring mechanism change-over valve core valve pocket running-in machine according to claim 8, is characterized in that, described case lid (4) is upper is connected with handle (9) by holding screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401509.2A CN103481182B (en) | 2013-09-05 | 2013-09-05 | A kind of hydraulic spring mechanism change-over valve core valve pocket running-in machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401509.2A CN103481182B (en) | 2013-09-05 | 2013-09-05 | A kind of hydraulic spring mechanism change-over valve core valve pocket running-in machine |
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| Publication Number | Publication Date |
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| CN103481182A true CN103481182A (en) | 2014-01-01 |
| CN103481182B CN103481182B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310401509.2A Active CN103481182B (en) | 2013-09-05 | 2013-09-05 | A kind of hydraulic spring mechanism change-over valve core valve pocket running-in machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105834894A (en) * | 2016-05-31 | 2016-08-10 | 苏州速腾电子科技有限公司 | Clamping-convenient grinding tool |
| CN112743444A (en) * | 2020-12-31 | 2021-05-04 | 沈阳鼓风机集团往复机有限公司 | Automatic grinding device |
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| US5303509A (en) * | 1988-08-26 | 1994-04-19 | Robert Bosch Gmbh | Apparatus for producing sealing faces on valves |
| DE102005008436A1 (en) * | 2005-02-24 | 2006-08-31 | Robert Bosch Gmbh | Method and device for processing of valve seat of fuel injection valve, comprising use of ultra sonic waves |
| CN201824233U (en) * | 2010-09-06 | 2011-05-11 | 广东韶钢松山股份有限公司 | High pressure sluice valve grinding machine |
| CN102126178A (en) * | 2010-11-01 | 2011-07-20 | 朱治鸣 | Numerically controlled grinding system for valve sealing surface |
| CN202556219U (en) * | 2012-05-18 | 2012-11-28 | 机械工业第三设计研究院 | Valve grinding machine |
| CN203141259U (en) * | 2013-02-28 | 2013-08-21 | 福州钜立机动车配件有限公司 | Grinding equipment for valve guide pipe chamfer of steam cylinder |
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| US5303509A (en) * | 1988-08-26 | 1994-04-19 | Robert Bosch Gmbh | Apparatus for producing sealing faces on valves |
| DE102005008436A1 (en) * | 2005-02-24 | 2006-08-31 | Robert Bosch Gmbh | Method and device for processing of valve seat of fuel injection valve, comprising use of ultra sonic waves |
| CN201824233U (en) * | 2010-09-06 | 2011-05-11 | 广东韶钢松山股份有限公司 | High pressure sluice valve grinding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104526535B (en) * | 2014-12-24 | 2016-09-07 | 湘潭职业技术学院 | A kind of gas stove switch valve grinding machine and Ginding process thereof |
| CN105834894A (en) * | 2016-05-31 | 2016-08-10 | 苏州速腾电子科技有限公司 | Clamping-convenient grinding tool |
| CN105834894B (en) * | 2016-05-31 | 2018-02-16 | 苏州速腾电子科技有限公司 | A kind of jig for grinding of convenient clamping |
| CN112743444A (en) * | 2020-12-31 | 2021-05-04 | 沈阳鼓风机集团往复机有限公司 | Automatic grinding device |
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| Publication number | Publication date |
|---|---|
| CN103481182B (en) | 2015-10-28 |
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