CN202640121U - Grinding device for plug valve - Google Patents
Grinding device for plug valve Download PDFInfo
- Publication number
- CN202640121U CN202640121U CN 201220344822 CN201220344822U CN202640121U CN 202640121 U CN202640121 U CN 202640121U CN 201220344822 CN201220344822 CN 201220344822 CN 201220344822 U CN201220344822 U CN 201220344822U CN 202640121 U CN202640121 U CN 202640121U
- Authority
- CN
- China
- Prior art keywords
- plug valve
- lower shaft
- lapping device
- cock
- shaft
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a grinding device for a plug valve, and mainly solves the problems of low work efficiency and poor machining quality when the sealing surface of the plug valve is ground artificially. The grinding device for the plug valve is characterized in that a cover board (3) is connected with a bracket (7), a speed reduction box (8) and a power source (9) in sequence; the output shaft of the speed reduction box (8) is connected with a plane cam plate (10); closed and symmetric wave-shaped cam grooves (11) are formed in the circumferential direction in the side wall of the plane cam plate (10); the upper end of a lower shaft (2) is connected with an upper shaft (13) through a coupling mechanism (12); a shaft pin (14) radially penetrates through the upper end of the upper shaft (13); the two ends of the shaft pin (14) extend out and are arranged in the cam grooves (11) of the plane cam plate (10) in a coinciding manner; and an anti-rotation plate (15) is fixed on the upper shaft (13). The grinding device for the plug valve has the characteristics of high work efficiency and high machining quality.
Description
Technical field
The utility model relates to a kind of lapping device of valve sealing face, is specifically related to a kind of lapping device of plug valve.
Background technology
The cock of hard sealing rotary plug valve and the valve seat in the valve body are respectively cylindrical cone and inner circle cone, generally be at the outer surface of cock and the corresponding thick STL hard alloy layer of 2mm of inner surface difference built-up welding one deck of valve seat, STL hard alloy layer on cock and the valve seat formation band that matches, the sealing pair that cock and valve seat match not only hardness is high, and require the goodness of fit good, surface roughness requires high, the guarantee sealing property, therefore, before the cock assembling, must cooperate and grind, to reach design accuracy.At present, mainly adopt underhand polish, be about to cock and be connected on the extension bar, the manually-operated cock pumps and rotates, and have following problem: 1. labor strength is large, inefficiency; 2. the goodness of fit of cock and valve seat and surface roughness are difficult to ensure that quality is unstable.
The utility model content
In order to overcome the deficiency of background technology, the utility model provides a kind of lapping device of plug valve, and the lapping device of this plug valve has high efficiency and the good characteristics of crudy.
The technical scheme that the utility model adopts is: a kind of lapping device of plug valve, comprise base, lower shaft and cover plate, the lower shaft lower end is provided with the positioning sleeve that is connected with cock, cover plate is fixed on the upper end of valve body, valve body is fixed on the base, be connected with support, reduction box and power source on the cover plate in turn, the output shaft of reduction box connects the plane cam dish, and the plane cam dish is cylindric and its sidewall circumferencial direction is provided with closed symmetrical waveform cam path; The upper end of lower shaft links to each other with upper axle by coupling body, and the upper end of upper axle radially is penetrated with pivot pin, and the two ends of pivot pin are stretched out and coincide and place in the cam path of plane cam dish; Be fixed with torsional stop on the upper axle, handle is installed on the torsional stop, the length of handle is enough to and can be stopped by support.
Described coupling body mainly is comprised of left and right sides threaded connecting sleeve, upper locking nut, lower locking nut and lock screw, the upper axle termination corresponding with lower shaft is provided with the semicircle plug that can mutually coincide, upper axle and lower shaft are provided with the screw thread that rotation direction is opposite and cooperate with left and right sides threaded connecting sleeve, and lock screw is located at the sidewall of left and right sides threaded connecting sleeve.
Described cam path is provided with the crest of 2 symmetries and the trough of 2 symmetries.
The two ends of described pivot pin are equipped with the cover that rolls.
The upper end of described cock is provided with "T"-shaped groove, and the lower shaft lower end is provided with "T"-shaped head, and "T"-shaped head is stuck in the "T"-shaped groove, is provided with disk spring between the bottom land of "T"-shaped groove and the "T"-shaped head.
The below of described base is provided with the grinding agent food tray.
The beneficial effects of the utility model are: owing to take technique scheme, pivot pin moves back and forth up and down along the cam surface of cam path, and drive cock by upper axle, lower shaft and move back and forth up and down, and then the grinding of realization cock and sealing surface of seat, grinding efficiency is high, sealing surface can reach the preferably goodness of fit and surface roughness, and crudy is good.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the A of Fig. 1 midplane cam disc 10 is to the side expanded view.
Fig. 3 is the B-B structure cutaway view among Fig. 1.
Fig. 4 is the C-C structure cutaway view among Fig. 1.
1-base among the figure, 2-lower shaft, 3-cover plate, 4-cock, 5-positioning sleeve, the 6-valve body, 7-support, 8-reduction box, 9-power source, 10-plane cam dish, 11-cam path, 12-coupling body, 121-left and right sides threaded connecting sleeve, the 122-upper locking nut, 123-lower locking nut, 124-lock screw, the upper axle of 13-, the 14-pivot pin, 15-torsional stop, 16-handle, 17-plug, the 18-cover that rolls, the "T"-shaped groove of 19-, 20-disk spring, 21-grinding agent food tray.
The specific embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further:
Such as Fig. 1 in conjunction with Fig. 2, Fig. 3, shown in Figure 4, a kind of lapping device of plug valve, comprise base 1, lower shaft 2 and cover plate 3, lower shaft 2 lower ends are provided with the positioning sleeve 5 that is connected with cock 4, cover plate 3 is fixed on the upper end of valve body 6, and valve body 6 is fixed on the base 1, is connected with support 7, reduction box 8 and power source 9 on the cover plate 3 in turn, the output shaft of reduction box 8 connects plane cam dish 10, and plane cam dish 10 is closed symmetrical waveform cam path 11 for cylindric and its sidewall circumferencial direction are provided with; The upper end of lower shaft 2 links to each other with upper axle 13 by coupling body 12, and the upper end of upper axle 13 radially is penetrated with pivot pin 14, and the two ends of pivot pin 14 are stretched out and coincide and place in the cam path 11 of plane cam dish 10; Be fixed with torsional stop 15 on the upper axle 13, handle 16 is installed on the torsional stop 15, the length of handle 16 is enough to and can be stopped by support 7.Owing to take technique scheme, the upper sealing surface place of cock 4 waters grinding agent (kerosene adds grounds travel), grinding agent will flow between the sealing pair, flow into lower sealing surface along the sidewall in the cock 4 simultaneously, start power source 9, power source 9 adopts motor, plane cam dish 10 rotates, upper axle 13 is limited by torsional stop 15 and rotates, the cam path 11 of plane cam dish 10 acts on the pivot pin 14, pivot pin 14 moves back and forth up and down along the cam surface of cam path 11, and by upper axle 13, lower shaft 2 drives cock 4 and moves back and forth up and down, and then realizes the grinding of cock 4 and sealing surface of seat, and grinding efficiency is high, sealing surface can reach the preferably goodness of fit and surface roughness, and crudy is good.
As shown in Figure 1, described coupling body 12 mainly is comprised of left and right sides threaded connecting sleeve 121, upper locking nut 122, lower locking nut 123 and lock screw 124, upper axle 13 is provided with the semicircle plug 17 that can mutually coincide with lower shaft 2 corresponding terminations, upper axle 13 and lower shaft 2 are provided with the screw thread that rotation direction is opposite and cooperate with left and right sides threaded connecting sleeve 121, and lock screw 124 is located at the sidewall of left and right sides threaded connecting sleeve 121.Can regulate the connecting length of upper axle 13 and lower shaft 2 by left and right sides threaded connecting sleeve 121, and then cock 4 can be adjusted to suitable position, make cock 4 in valve body, reach suitable jam-pack degree.
In conjunction with shown in Figure 2, described cam path 11 is provided with the crest of 2 symmetries and the trough of 2 symmetries such as Fig. 1.Pivot pin 14 cock 4 when crest is lifted, and pivot pin 14 cock 4 when trough contacts with valve seat, and cock 4 moves back and forth, and realizes the grinding to sealing surface.
In conjunction with shown in Figure 2, the two ends of described pivot pin 14 are equipped with the cover 18 that rolls such as Fig. 1.Roll cover 18 in cam path 11 interior rollings, reduced frictional resistance.
As shown in Figure 1, the upper end of described cock 4 is provided with "T"-shaped groove 19, and lower shaft 2 lower ends are provided with "T"-shaped head, and "T"-shaped head is stuck in the "T"-shaped groove 19, is provided with disk spring 20 between the bottom land of "T"-shaped groove 19 and the "T"-shaped head.The lower end of lower shaft 2 makes cock 4 be difficult for beat by positioning sleeve 5 location.Can have certain deviation when regulating cock 4 position, cock 4 reacts on plane cam dish 10 with the extruding force of valve seat, easily makes plane cam dish 10 serious wear, even damages; Because disk spring 20 is set, when the extruding force of cock 4 and valve seat was larger, disk spring 20 was compressed, has avoided plane cam dish 10 to be damaged.The space that disk spring 20 takies is less, compact conformation.
As shown in Figure 1, the below of described base 1 is provided with grinding agent food tray 21.At upper sealing surface place filling grinding agent, grinding agent flow into lower sealing surface by the sidewall of cock 4, and grinding agent food tray 21 can reclaim the kerosene after grinding and grounds travel, keeps the environment clean.
Claims (6)
1. the lapping device of a plug valve, comprise base (1), lower shaft (2) and cover plate (3), lower shaft (2) lower end is provided with the positioning sleeve (5) that is connected with cock (4), cover plate (3) is fixed on the upper end of valve body (6), valve body (6) is fixed on the base (1), it is characterized in that: be connected with support (7) on the cover plate (3) in turn, reduction box (8) and power source (9), the output shaft of reduction box (8) connects plane cam dish (10), and plane cam dish (10) is closed symmetrical waveform cam path (11) for cylindric and its sidewall circumferencial direction are provided with; The upper end of lower shaft (2) links to each other with upper axle (13) by coupling body (12), the upper end of upper axle (13) radially is penetrated with pivot pin (14), and the two ends of pivot pin (14) are stretched out and coincide and place in the cam path (11) of plane cam dish (10); Be fixed with torsional stop (15) on the upper axle (13), handle (16) is installed on the torsional stop (15), the length of handle (16) is enough to and can be stopped by support (7).
2. the lapping device of plug valve according to claim 1, it is characterized in that: described coupling body (12) is mainly by left and right sides threaded connecting sleeve (121), upper locking nut (122), lower locking nut (123) and lock screw (124) form, upper axle (13) is provided with the semicircle plug (17) that can mutually coincide with the corresponding termination of lower shaft (2), upper axle (13) and lower shaft (2) are provided with the screw thread that rotation direction is opposite and cooperate with left and right sides threaded connecting sleeve (121), and lock screw (124) is located at the sidewall of left and right sides threaded connecting sleeve (121).
3. the lapping device of plug valve according to claim 1 and 2, it is characterized in that: cam path (11) is provided with the crest of 2 symmetries and the trough of 2 symmetries.
4. the lapping device of plug valve according to claim 3 is characterized in that: the two ends of pivot pin (14) are equipped with the cover (18) that rolls.
5. the lapping device of plug valve according to claim 1 and 2, it is characterized in that: the upper end of cock (4) is provided with "T"-shaped groove (19), lower shaft (2) lower end is provided with "T"-shaped head, "T"-shaped head is stuck in the "T"-shaped groove (19), is provided with disk spring (20) between the bottom land of "T"-shaped groove (19) and the "T"-shaped head.
6. the lapping device of plug valve according to claim 5, it is characterized in that: the below of base (1) is provided with grinding agent food tray (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344822 CN202640121U (en) | 2012-07-17 | 2012-07-17 | Grinding device for plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344822 CN202640121U (en) | 2012-07-17 | 2012-07-17 | Grinding device for plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202640121U true CN202640121U (en) | 2013-01-02 |
Family
ID=47409290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344822 Withdrawn - After Issue CN202640121U (en) | 2012-07-17 | 2012-07-17 | Grinding device for plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202640121U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785159A (en) * | 2012-07-17 | 2012-11-21 | 浙江石化阀门有限公司 | Grinding device for stopcock |
| CN103465152A (en) * | 2013-09-25 | 2013-12-25 | 新乡日升数控轴承装备股份有限公司 | Transfer and rotation linkage device on plane grinding machine |
| CN104747746A (en) * | 2013-12-30 | 2015-07-01 | 宁波嘉和机电有限公司 | Water-gas hand valve |
| CN112873038A (en) * | 2021-01-19 | 2021-06-01 | 浙江优机机械科技有限公司 | Plug valve sealing grinding machine |
-
2012
- 2012-07-17 CN CN 201220344822 patent/CN202640121U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785159A (en) * | 2012-07-17 | 2012-11-21 | 浙江石化阀门有限公司 | Grinding device for stopcock |
| CN102785159B (en) * | 2012-07-17 | 2015-07-15 | 浙江石化阀门有限公司 | Grinding device for stopcock |
| CN103465152A (en) * | 2013-09-25 | 2013-12-25 | 新乡日升数控轴承装备股份有限公司 | Transfer and rotation linkage device on plane grinding machine |
| CN104747746A (en) * | 2013-12-30 | 2015-07-01 | 宁波嘉和机电有限公司 | Water-gas hand valve |
| CN112873038A (en) * | 2021-01-19 | 2021-06-01 | 浙江优机机械科技有限公司 | Plug valve sealing grinding machine |
| CN112873038B (en) * | 2021-01-19 | 2022-04-26 | 浙江优机机械科技有限公司 | Plug valve sealing grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20150715 |
|
| RGAV | Abandon patent right to avoid regrant |