CN102126177A - Grinding device for sealing surface of valve - Google Patents
Grinding device for sealing surface of valve Download PDFInfo
- Publication number
- CN102126177A CN102126177A CN 201010527916 CN201010527916A CN102126177A CN 102126177 A CN102126177 A CN 102126177A CN 201010527916 CN201010527916 CN 201010527916 CN 201010527916 A CN201010527916 A CN 201010527916A CN 102126177 A CN102126177 A CN 102126177A
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- screw rod
- fixed mount
- valve
- base
- sealing face
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Abstract
The invention discloses a grinding device for a sealing surface of a valve. The device comprises a valve base, a clamping mechanism and a grinding assembly, wherein the clamping mechanism is positioned above the valve base; the grinding assembly comprises a chuck, a shaft oscillation connecting rod and a grinding head; the grinding head is connected to the lower end of the shaft oscillation connecting rod; the upper end of the shaft oscillation connecting rod is connected with the chuck; and the shaft oscillation connecting rod consists of an upper rod, a transition section and a lower rod, the transition section is positioned between the upper rod and the lower rod, the central line of the upper rod is vertical to the central line of the lower rod, and a gap is reserved between the central line of the lower rod and the central line of the upper rod. By adopting the structure, the grinding device for the sealing surface of the valve can be used for grinding the sealing surfaces of the valves in various specifications, so that the grinding accuracy can be improved, the grinding effect of the sealing surface of the valve can be improved, the maintenance cost can be reduced, the labor intensity can be lightened, and the requirement on the technical quality of operators can be reduced.
Description
Technical field
The present invention relates to the valve sealing face milling apparatus, relate in particular to a kind of valve sealing face lapping device.
Background technology
Along with China is industrialized further deeply, in industries such as chemical industry, boiler, pressure vessel, the valve of all kinds of forms such as safety valve, stop valve, gate valve uses very extensive.Because valve in use, sealing surface is subjected to the erosion of working medium for a long time, is subjected to the washing away of foreign matter in gas, the fluid, the often wearing and tearing of switch for a long time.The capital makes the flatness of valve sealing face impaired, causes valve leak, causes the waste and the economic loss of raw material.In grinding work, mainly manually carry out at present with valve sealing face.Because the sealing surface material of valve has certain rigidity and very high flatness, hardness (HRC) as the safety valve sealing surface is generally 40-50, flatness requires to reach Ra≤0.08 μ m, and therefore mode, the grinding pressure to grinding in grinding work all has very high requirement.But,, in the process of lapping pressure and the stressed dynamics of grinding all is difficult to grasp for operating personnel because the grinding space is little.Labour intensity is big, and inefficiency requires operating personnel that higher technical quality is arranged, and a lot of applying units do not have this class technical professional, when valve leak, can only adopt and upgrade the method that abandons, and causes the waste of valve.Still do not have at present a kind of equipment that can adapt to various valve sealing faces grindings, it can improve grinding precision, improves the grinding effect of valve sealing face, reduces maintenance cost, reduces labor intensity.
Summary of the invention
Technical problem to be solved by this invention is: a kind of valve sealing face lapping device is provided, this kind valve sealing face lapping device can grind the plurality of specifications valve sealing face, can improve grinding precision, improves the grinding effect of valve sealing face, reduce maintenance cost, reduce labor intensity.
Solve this technical problem, technical scheme of the present invention is: a kind of valve sealing face lapping device, it comprises valve base, clamping device and grinding sub-assembly, described clamping device is positioned at the top of valve base, described grinding sub-assembly comprises chuck, axle pendulum connecting rod and bistrique, described bistrique is connected in the lower end of axle pendulum connecting rod, the upper end of described axle pendulum connecting rod links to each other with chuck, described axle pendulum connecting rod is by upper boom, changeover portion and lower beam are formed, described changeover portion is between upper boom and lower beam, the center line of described upper boom and the center line of lower beam have between the center line of described lower beam and the center line of upper boom at interval all in vertical state.
The top of described clamping device is provided with elevator chamber, and described bistrique, axle pendulum connecting rod, chuck and elevator chamber connect into the integral body of upper and lower displacement simultaneously.
Described clamping device comprises lever, first screw rod, second screw rod, drive synchronous interaction part that first screw rod and second screw rod rotate simultaneously with lever, along first screw rod and second screw rod first shackle member and second shackle member of the clamping valve flanges of displacement in opposite directions, described second screw rod is identical with first screw-rod structure and be parallel to each other.
Described synchronous interaction part comprise the driving gear of center arrangement in the gear-box, gear-box, a plurality of driven gears that the driving gear both sides are arranged symmetrically, with the affixed first screw rod Connection Block of first screw rod, with the second affixed screw rod Connection Block of second screw rod, the first end driven gear in the described first screw rod Connection Block and the gear-box one end outside is affixed, the second end driven gear in the described second screw rod Connection Block and the gear-box other end outside is affixed, and described driving gear and lever are connected as a single entity.
Described first screw rod middle part is fixed with the first center fixation seat, and described second screw rod middle part is fixed with the second center fixation seat.
Described first screw rod and second screw rod are same structure, and the thread rotary orientation of the first center fixation seat above and below of described first screw rod is opposite, and the thread rotary orientation of the second center fixation seat above and below of described second screw rod is opposite.
Described first shackle member comprises the first base fixed mount, is fixed in the baffle plate of latch seat, latch and latch seat side on the first base fixed mount, described latch and latch seat removably connect, described first screw rod and second screw rod pass the first base fixed mount respectively, described second shackle member is identical with the structure of first shackle member, described second shackle member comprises the second base fixed mount, is fixed in the baffle plate of latch seat, latch and latch seat side on the second base fixed mount, and described first screw rod and second screw rod pass the second base fixed mount respectively.
The latch seat of described first shackle member is connected by bolt with the first base fixed mount, the bolt hole that has a plurality of intervals on the described first base fixed mount, the latch seat of described second shackle member is connected by bolt with the second base fixed mount, has the bolt hole at a plurality of intervals on the described second base fixed mount.
Described valve base comprises base plate, first slideway, second slideway, the horizontal fixed frame, the first vertical fixing frame, the second vertical fixing frame, the first auxiliary fixed mount and the second auxiliary fixed mount, described base plate is rectangular, described first slideway and second slideway are arranged along the length direction of base plate, described horizontal fixed chord position in the middle part of base plate perpendicular to the top of first slideway, first slide block and the 3rd slide block are set in described first slideway, described first slide block connects the first auxiliary fixed mount, described the 3rd slide block connects the second auxiliary fixed mount, in described second slideway second slide block and Four-slider are set, second slide block connects the first vertical fixing frame, and Four-slider connects the second vertical fixing frame.
The two ends of described base plate are respectively arranged with perpendicular to the first horizontal-extending bar of first slideway and the second horizontal-extending bar.
A kind of valve sealing face lapping device of the present invention adopts such structure, can grind the plurality of specifications valve sealing face, can improve grinding precision, improve the grinding effect of valve sealing face, reduce maintenance cost, reduce labor intensity, reduce technical quality requirement operating personnel.
Description of drawings
Below in conjunction with accompanying drawing a kind of valve sealing face lapping device of the present invention is done explanation in further detail;
Fig. 1 is the structural representation of a kind of valve sealing face lapping device of the present invention;
Fig. 2 is the enlarged diagram of overlooking of clamping device shown in Figure 1;
Fig. 3 is the structure for amplifying schematic diagram of the first valve dop shown in Figure 2;
Fig. 4 is the structure for amplifying schematic diagram of synchronous interaction part shown in Figure 2;
Fig. 5 is the schematic top plan view of valve base shown in Figure 1;
Fig. 6 looks schematic diagram for the right side of valve base shown in Figure 5;
Fig. 7 is the structure for amplifying schematic diagram that axle shown in Figure 1 is put connecting rod;
Vertical screw in the drawings, 1; 2, elevator chamber; 3, clamping device; 4, support bar; 5, valve; 6, valve base; 7, bistrique; 8, axle pendulum connecting rod; 9, chuck; 10, actuating unit; 11, the first base fixed mount; 12, the first valve dop; 13, first screw rod; 14, the first center fixation seat; 15, the second base fixed mount; 16, synchronous interaction part; 17, lever; 18, the second valve dop; 19, the second center fixation seat; 20, second screw rod; 21, latch seat; 22, latch; 23, baffle plate; 24, the second screw rod Connection Block; 25, the second end driven gear; 26, gear-box; 27, locking member; 28, driving gear; 29, first end driven gear; 30, the first screw rod Connection Block; 31, base plate; 32, the first auxiliary fixed mount; 33, the first vertical fixing frame; 34, the first horizontal-extending bar; 35, first slideway; 36, horizontal fixed frame; 37, the second horizontal-extending bar; 38, the second vertical fixing frame; 39, the second auxiliary fixed mount; 40, support bar Connection Block; 41, portable handle; 42, second slideway; 43, second slide block; 44, first slide block; 45, upper boom; 46, changeover portion; 47, lower beam; 48, bistrique junction piece.
The specific embodiment
As Fig. 1, shown in Figure 7, the valve sealing face lapping device comprises valve base 6, support bar 4, clamping device 3, vertical screw 1, elevator chamber 2, actuating unit 10, chuck 9, axle pendulum connecting rod 8 and bistrique 7, the top of valve base 6 is connected with support bar 4, the top of support bar 4 links to each other with clamping device 3, clamping device 3 is used for the upper flange of pinch valve 5, actuating unit 10, chuck 9, axle pendulum connecting rod 8 and bistrique 7 and elevator chamber 2 belong to the grinding sub-assembly, bistrique 7 is removably connected to the lower end of axle pendulum connecting rod 8, the upper end of axle pendulum connecting rod 8 links to each other with chuck 9, bistrique 7, axle pendulum connecting rod 8 and chuck 9 are with elevator chamber 2 upper and lower displacements, elevator chamber 2 is positioned at the top of clamping device 3, axle pendulum connecting rod 8 is by upper boom 45, changeover portion 46, lower beam 47 and bistrique junction piece 48 are formed, bistrique 7 removably connects with the bistrique junction piece 48 of axle pendulum connecting rod 8, changeover portion 46 is between upper boom 45 and lower beam 47, the center line of the center line of upper boom 45 and lower beam 47 all in vertical state, have between the center line of the center line of lower beam 47 and upper boom 45 at interval, distance at interval adopts 4～15 millimeters, be subjected to the restriction of valve space, the spacing distance between the center line of the center line of lower beam 47 and upper boom 45 is preferably 6～9 millimeters.
As Fig. 2, Fig. 3, shown in Figure 4, clamping device comprises synchronous interaction part 16, lever 17, first screw rod 13, second screw rod 20, first shackle member and second shackle member, synchronous interaction part 16 can drive first screw rod 13 and second screw rod 20 rotates simultaneously with lever 17, synchronous interaction part 16 comprises gear-box 26, the driving gear 28 of center arrangement in the gear-box 26, eight driven gears that driving gear 28 both sides are arranged symmetrically, the first screw rod Connection Block 30 affixed with first screw rod 13, the second screw rod Connection Block 24 affixed with second screw rod 20, the first screw rod Connection Block 30 is affixed with the first end driven gear 29 in the gear-box 26 1 ends outside, the second screw rod Connection Block 24 is affixed with the second end driven gear 25 in gear-box 26 other ends outside, driving gear 28 is connected as a single entity with lever 17, has the locking member 27 of locking driving gear 28 on the gear-box.
First shackle member comprises the first base fixed mount 11 and the first valve dop 12, the first valve dop 12 comprises the baffle plate 23 of latch seat 21, latch 22 and latch seat 21 sides, the latch seat 21 of the first valve dop 12 is fixed on the first base fixed mount 11, latch 22 removably connects with latch seat 21, first screw rod 13 and second screw rod 20 pass the first base fixed mount 11 respectively, the latch seat 21 of first shackle member is connected by bolt with the first base fixed mount 11, has the bolt hole at a plurality of intervals on the described first base fixed mount 11.Second shackle member is identical with the structure of first shackle member, second shackle member comprises the second base fixed mount 15 and the second valve dop 18, the second valve dop 18 comprises the baffle plate of latch seat, latch and latch seat side, first screw rod 13 and second screw rod 20 pass the second base fixed mount 15 respectively, the latch seat of second shackle member is connected by bolt with the second base fixed mount 15, has the bolt hole at a plurality of intervals on the second base fixed mount 15.
During use, lever clockwise rotates, first screw rod and second screw rod also clockwise rotate thereupon, drive first shackle member and second shackle member along first screw rod 13 and second screw rod 20 displacement in opposite directions, thereby clamping valve flanges, can guarantee Grinding Quality, reduce maintenance load, reduce maintenance cost.
As Fig. 5, shown in Figure 6, valve base comprises base plate 31, the first vertical fixing frame 33, the first auxiliary fixed mount 32, the first horizontal-extending bar 34, first slideway 35, horizontal fixed frame 36, the second horizontal-extending bar 37, the second auxiliary fixed mount 39, the second vertical fixing frame 38, support bar 40, portable handle 41, second slideway 42, first slide block 44 and second slide block 43, base plate is rectangular, first slideway 35 and second slideway 42 are arranged along the length direction of base plate, one side of base plate 31 has portable handle 41, the middle part of base plate 31 has the horizontal fixed frame 36 perpendicular to first slideway 35, the two ends of base plate 31 have respectively perpendicular to the first horizontal-extending bar 34 of first slideway 35 and the second horizontal-extending bar 37, the two ends of the first horizontal-extending bar 34 and the second horizontal-extending bar 37 have support bar Connection Block 40 respectively, on each support and connection seat 40 support bar 4 is installed respectively, arrange first slide block 44 and the 3rd slide block (not shown) that moves back and forth along first slideway 35 in first slideway 35, install on first slide block 44 the second vertical fixing frame 38 is installed on the first vertical fixing frame, 33, the three slide blocks.Arrange second slide block 43 and the Four-slider (not shown) that moves back and forth along second slideway 42 in second slideway 42, the first auxiliary fixed mount 32 is installed on second slide block 43, has universal joint between the first auxiliary fixed mount 32 and second slide block 43, install on the Four-slider between second auxiliary fixed mount 39, the second auxiliary fixed mounts 39 and the Four-slider and have universal joint.
Valve sealing face lapping device of the present invention adopts said structure, can grind the plurality of specifications valve sealing face, can improve grinding precision, improve the grinding effect of valve sealing face, reduce maintenance cost, reduce labor intensity, reduce technical quality requirement operating personnel.
Claims (10)
1. valve sealing face lapping device, it is characterized in that: it comprises valve base (6), clamping device (3) and grinding sub-assembly, described clamping device (3) is positioned at the top of valve base (6), described grinding sub-assembly comprises chuck (9), axle pendulum connecting rod (8) and bistrique (7), described bistrique (7) is connected in the lower end of axle pendulum connecting rod (8), the upper end of described axle pendulum connecting rod (8) links to each other with chuck (9), described axle pendulum connecting rod (8) is by upper boom (45), changeover portion (46) and lower beam (47) are formed, described changeover portion (46) is positioned between upper boom (45) and the lower beam (47), the center line of the center line of described upper boom (45) and lower beam (47) has between the center line of the center line of described lower beam (47) and upper boom (45) at interval all in vertical state.
2. a kind of valve sealing face lapping device according to claim 1, it is characterized in that: the top of described clamping device (3) is provided with elevator chamber, and described bistrique (7), axle pendulum connecting rod (8), chuck (9) and elevator chamber (2) connect into the integral body of upper and lower displacement simultaneously.
3. a kind of valve sealing face lapping device according to claim 1, it is characterized in that: described clamping device comprises lever (17), first screw rod (13), second screw rod (20), drive synchronous interaction part (16) that first screw rod (13) and second screw rod (20) rotate simultaneously with lever (17), along first screw rod (13) and second screw rod (20) first shackle member and second shackle member of the clamping valve flanges of displacement in opposite directions, and described second screw rod (20) is identical with first screw rod (13) structure and be parallel to each other.
4. a kind of valve sealing face lapping device according to claim 3, it is characterized in that: described synchronous interaction part (16) comprises gear-box (26), the driving gear (28) of the interior center arrangement of gear-box (26), a plurality of driven gears that driving gear (28) both sides are arranged symmetrically, the first screw rod Connection Block (30) affixed with first screw rod (13), the second screw rod Connection Block (24) affixed with second screw rod (20), the described first screw rod Connection Block (30) is affixed with the first end driven gear (29) in gear-box (26) the one ends outside, the described second screw rod Connection Block (24) is affixed with the second end driven gear (25) in gear-box (26) other end outside, and described driving gear (28) is connected as a single entity with lever (17).
5. a kind of valve sealing face lapping device according to claim 4 is characterized in that: described first screw rod (13) middle part is fixed with the first center fixation seat (14), and described second screw rod (20) middle part is fixed with the second center fixation seat (19).
6. a kind of valve sealing face lapping device according to claim 5, it is characterized in that: described first screw rod (13) and second screw rod (20) are same structure, the thread rotary orientation of first center fixation seat (14) above and below of described first screw rod (13) is opposite, and the thread rotary orientation of second center fixation seat (19) above and below of described second screw rod (20) is opposite.
7. according to claim 3 or 4 described a kind of valve sealing face lapping devices, it is characterized in that: described first shackle member comprises the first base fixed mount (11), be fixed in the latch seat (21) on the first base fixed mount (11), the baffle plate (23) of latch (22) and latch seat (21) side, described latch (22) removably connects with latch seat (21), described first screw rod (13) and second screw rod (20) pass the first base fixed mount (11) respectively, described second shackle member is identical with the structure of first shackle member, described second shackle member comprises the second base fixed mount (15), be fixed in the latch seat on the second base fixed mount (15), the baffle plate of latch and latch seat side, described first screw rod (13) and second screw rod (20) pass the second base fixed mount (15) respectively.
8. a kind of valve sealing face lapping device according to claim 7, it is characterized in that: the latch seat (21) of described first shackle member is connected by bolt with the first base fixed mount (11), the bolt hole that has a plurality of intervals on the described first base fixed mount (11), the latch seat of described second shackle member is connected by bolt with the second base fixed mount (15), has the bolt hole at a plurality of intervals on the described second base fixed mount (15).
9. according to claim 1 or 2 or 3 described a kind of valve sealing face lapping devices, it is characterized in that: described valve base (6) comprises base plate (31), first slideway (35), second slideway (42), horizontal fixed frame (36), the first vertical fixing frame (32), the second vertical fixing frame (39), the first auxiliary fixed mount (33) and the second auxiliary fixed mount (38), described base plate (31) is rectangular, described first slideway (35) and second slideway (42) are arranged along the length direction of base plate (31), described horizontal fixed frame (36) is positioned at the top of the middle part of base plate (31) perpendicular to first slideway (35), first slide block (43) and the 3rd slide block are set in described first slideway (35), described first slide block (43) connects the first auxiliary fixed mount (33), described the 3rd slide block connects the second auxiliary fixed mount (38), second slide block (44) and Four-slider are set in described second slideway (42), second slide block (44) connects the first vertical fixing frame (32), and Four-slider connects the second vertical fixing frame (39).
10. a kind of valve sealing face lapping device according to claim 9 is characterized in that: the two ends of described base plate (31) are respectively arranged with perpendicular to the first horizontal-extending bar (34) of first slideway (35) and the second horizontal-extending bar (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010527916 CN102126177B (en) | 2010-11-01 | 2010-11-01 | Grinding device for sealing surface of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010527916 CN102126177B (en) | 2010-11-01 | 2010-11-01 | Grinding device for sealing surface of valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102126177A true CN102126177A (en) | 2011-07-20 |
| CN102126177B CN102126177B (en) | 2012-12-19 |
Family
ID=44264595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010527916 Expired - Fee Related CN102126177B (en) | 2010-11-01 | 2010-11-01 | Grinding device for sealing surface of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102126177B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896569A (en) * | 2012-09-26 | 2013-01-30 | 江苏兴亚船用阀门有限公司 | Grinder for machining sealing surface of valve body |
| CN106312791A (en) * | 2015-06-25 | 2017-01-11 | 安徽鸿凌机电仪表(集团)有限公司 | Grinding device |
| CN115106886A (en) * | 2022-07-15 | 2022-09-27 | 华能核能技术研究院有限公司 | Positioning device of valve grinder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2040425U (en) * | 1988-08-25 | 1989-07-05 | 浙江省永嘉县机电阀门五厂 | Valve grinder |
| GB2222103A (en) * | 1988-08-26 | 1990-02-28 | Bosch Gmbh Robert | Method of producing valve seating of high surface quality |
| CN2110481U (en) * | 1992-01-03 | 1992-07-22 | 徐家业 | Rubbing and clamping type capsule demoulding machine |
| CN2444711Y (en) * | 2000-10-26 | 2001-08-29 | 武汉市高雄电力设备有限公司 | Transmission mechanism for grinder head |
| CN2871076Y (en) * | 2005-10-17 | 2007-02-21 | 吕文辉 | Automatic digital-controlled pipe cutter |
| CN2900072Y (en) * | 2006-05-17 | 2007-05-16 | 董国志 | Reference type high precision clamp |
| CN201833271U (en) * | 2010-11-01 | 2011-05-18 | 朱治鸣 | Grinding device for seal surface of valve |
-
2010
- 2010-11-01 CN CN 201010527916 patent/CN102126177B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2040425U (en) * | 1988-08-25 | 1989-07-05 | 浙江省永嘉县机电阀门五厂 | Valve grinder |
| GB2222103A (en) * | 1988-08-26 | 1990-02-28 | Bosch Gmbh Robert | Method of producing valve seating of high surface quality |
| CN2110481U (en) * | 1992-01-03 | 1992-07-22 | 徐家业 | Rubbing and clamping type capsule demoulding machine |
| CN2444711Y (en) * | 2000-10-26 | 2001-08-29 | 武汉市高雄电力设备有限公司 | Transmission mechanism for grinder head |
| CN2871076Y (en) * | 2005-10-17 | 2007-02-21 | 吕文辉 | Automatic digital-controlled pipe cutter |
| CN2900072Y (en) * | 2006-05-17 | 2007-05-16 | 董国志 | Reference type high precision clamp |
| CN201833271U (en) * | 2010-11-01 | 2011-05-18 | 朱治鸣 | Grinding device for seal surface of valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896569A (en) * | 2012-09-26 | 2013-01-30 | 江苏兴亚船用阀门有限公司 | Grinder for machining sealing surface of valve body |
| CN102896569B (en) * | 2012-09-26 | 2015-03-25 | 江苏兴亚船用阀门有限公司 | Grinder for machining sealing surface of valve body |
| CN106312791A (en) * | 2015-06-25 | 2017-01-11 | 安徽鸿凌机电仪表(集团)有限公司 | Grinding device |
| CN115106886A (en) * | 2022-07-15 | 2022-09-27 | 华能核能技术研究院有限公司 | Positioning device of valve grinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102126177B (en) | 2012-12-19 |
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Granted publication date: 20121219 Termination date: 20191101 |