CN204449915U - A kind of frock clamp for processing gate valve sealing surface - Google Patents
A kind of frock clamp for processing gate valve sealing surface Download PDFInfo
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- CN204449915U CN204449915U CN201520080229.0U CN201520080229U CN204449915U CN 204449915 U CN204449915 U CN 204449915U CN 201520080229 U CN201520080229 U CN 201520080229U CN 204449915 U CN204449915 U CN 204449915U
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Abstract
The utility model provides a kind of frock clamp for processing gate valve sealing surface, and it matches with valve body, comprises subbase, gradient circle ring disk, rotating disc and positioning disk; Wherein, gradient circle ring disk is fixed on subbase, is formed with one and has the inclined-plane with the angle of wedge equal angular of valve body sealing surface above it; Described rotating disc is fixed on the inclined-plane of gradient circle ring disk; Positioning disk is fixed on rotating disc, is provided with locating slot above it; Load-bearing balancing device is positioned at the cavity of gradient circle ring disk, and its one end is fixed on subbase, and the other end and rotating disc lean, and realize rotating disc can around the radial phase rotatable engagement of load-bearing balancing device.Implement the utility model embodiment, to the sealing surface flexible processing in different size valve body, working (machining) efficiency can be improve, reduce mismachining tolerance.
Description
Technical field
The utility model relates to gate valve body technical field of processing equipment, particularly relates to a kind of frock clamp for processing gate valve sealing surface.
Background technology
Gate valve is widely used in industrial circle, its object is to the flowing being carried out fluid in application valve body pipeline by gate valve.Therefore in order to ensure the positiver sealing of gate valve, usually flashboard and the relative sealing surface of valve seat are all designed to wedge structure wide at the top and narrow at the bottom, when flashboard cuts out downwards, by flashboard and the relative sealing surface of valve seat gradually jam-packed guarantee positiver sealing.
In prior art, as shown in Figure 1, when processing the sealing surface of seat of valve body a, usually Set and Positioning is carried out with the end flanges of valve body a, but because the sealing surface of seat of valve body a is not vertical with valve body a passage, but have an angle of wedge, the sealing surface of seat of valve body a and end flanges sealing surface are not parallel to each other, therefore in order to process valve body a sealing surface, need valve body a sealing surface is horizontal, usually between the end flanges and the mounting platform of vertical car of valve body a, place a gradient frock clamp b, and this gradient frock clamp b
/oblique angle identical with the angle of wedge of valve body a sealing surface.When adopting above-mentioned frock clamp to process the sealing surface of seat of valve body, with the different end flanges in valve body both sides for machining benchmark, concrete grammar comprises: after first processing the valve body sealing surface of side, again valve body is taken off from gradient frock clamp, then with the opposite side end flanges of valve body for positioning datum, valve body is reinstalled on gradient frock clamp, again finds the opposite side sealing surface of aft-loaded airfoil valve body accurately.
Utility model people finds said method Shortcomings part, and its weak point is: 1, during not parallel between two end flanges of valve body both sides or disalignment, two of valve body sealing surfaces all can be caused to occur mismachining tolerance; 2, because two end flanges of valve body both sides need to exchange as positioning datum in process, therefore valve body again clamping need measurement repeatedly and calibration, thus cause working (machining) efficiency low and mismachining tolerance is large; 3, cannot realize the sealing surface flexible processing in different size valve body.
Summary of the invention
The utility model embodiment technical problem to be solved is, provides a kind of frock clamp for processing gate valve sealing surface, to the sealing surface flexible processing in different size valve body, can improve working (machining) efficiency, reduce mismachining tolerance.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of frock clamp for processing gate valve sealing surface, and it matches with valve body, comprises subbase, gradient circle ring disk, rotating disc and positioning disk; Wherein,
Described gradient circle ring disk is fixed on described subbase, is formed with one and has the inclined-plane with the angle of wedge equal angular of described valve body sealing surface above it;
Described rotating disc is fixed on the inclined-plane of described gradient circle ring disk;
Described positioning disk is fixed on described rotating disc, is provided with the locating slot for locating described valve body above it.
Wherein, described gradient circle ring disk is provided with annulus distribution and longitudinal section is T-shaped T-shaped annular groove, is provided with and organizes screw nut assembly more, described gradient circle ring disk and described rotating disc are fixed by each screw nut assembly in T-shaped annular groove.
Wherein, described rotating disc is provided with the annulus boss matched with described T-shaped annular groove, realizes described gradient circle ring disk and described rotating disc centering is located.
Wherein, the sidewall of described rotating disc is formed with location taper hole, described gradient circle ring disk is provided with the detent mechanism matched with described location taper hole.
Wherein, described location taper hole has two, and described two location taper holes are relatively arranged on the sidewall of described rotating disc.
Wherein, described rotating disc, positioning disk and valve body are fixed by least one clamp assemblies; Wherein, each clamp assemblies includes pressing plate, bolt and nut component and adjustment block.
Wherein, the top of described rotating disc is provided with the first locating hole, the below of described positioning disk is provided with second locating hole relative with described first locating hole, is arranged in described first locating hole and described second locating hole by locating piece, realizes described rotating disc and described positioning disk centering is located.
Wherein, described subbase is provided with position-limit mechanism.
Implement the utility model embodiment, there is following beneficial effect:
1, in the utility model embodiment, because the rotating disc in frock clamp and positioning disk can around load-bearing balancing device phase rotatable engagement, therefore upset is not needed after machining valve body first sealing surface with another end flanges for positioning datum processing valve body second sealing surface, only need by rotating disc together with after positioning disk and valve body integral-rotation 180 °, another sealing surface unprocessed is horizontal, thus improve working (machining) efficiency, reduce mismachining tolerance;
2, in the utility model embodiment, owing to adopting multiple positioning modes (as locating piece, detent mechanism, adjust structure and position-limit mechanism etc.) in frock clamp, make to locate accurately when processing valve body sealing surface, thus improve machining accuracy, reduce mismachining tolerance;
3, in the utility model embodiment, because the positioning disk in frock clamp can be changed according to the size of valve body, thus the sealing surface flexible processing to different size valve body is realized.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, the accompanying drawing obtaining other according to these accompanying drawings still belongs to category of the present utility model.
Fig. 1 is for processing the sectional structure schematic diagram of the frock clamp of gate valve sealing surface in prior art;
The perspective view of the frock clamp for processing gate valve sealing surface that Fig. 2 provides for the utility model embodiment;
Fig. 3 is that the A-A of Fig. 2 is to sectional view;
Fig. 4 is that the B-B of Fig. 2 is to sectional view;
In figure: a-valve body, b-frock clamp, 1-subbase, 11-position-limit mechanism, 12-adjust structure, 121-holder, 122-screw rod, 123-handle, 124-guide finger, 2-gradient circle ring disk, 21-cavity, 22-T type annular groove, 23-detent mechanism, 231-conical dowel pin, 24-gathering sill, 3-rotating disc, 31-first locating hole, 32-annulus boss, 33-locates taper hole, 4-positioning disk, 41-locating slot, 42-second locating hole, 5-load-bearing balancing device, 51-spring, 52-back-up block, 521-flange, 522-cambered surface, 53-thrust bearing, 6-locating piece, 7-valve body, 8-screw nut assembly, 9-clamp assemblies, 91-pressing plate, 92-bolt and nut component, 93-adjustment block.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
The direction that the utility model is mentioned and position term, such as " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " top ", " bottom ", " side " etc., be only the direction with reference to accompanying drawing or position.Therefore, the direction of use and position term are in order to illustrate and to understand the utility model, but not the restriction to utility model protection scope.
As shown in Figures 2 to 4, in the utility model embodiment, be a kind of frock clamp for processing gate valve sealing surface, it matches with valve body 7, comprises subbase 1, gradient circle ring disk 2, rotating disc 3, positioning disk 4 and load-bearing balancing device 5; Wherein,
Gradient circle ring disk 2 is fixed on subbase 1, is formed with one and has the inclined-plane with the angle of wedge equal angular of valve body 7 sealing surface, be horizontal after making valve body 7 be fixed on frock clamp above it, is convenient to processing;
Rotating disc 3 is fixed on the inclined-plane of gradient circle ring disk 2;
Positioning disk 4 is fixed on rotating disc 3, is provided with the locating slot 41 for positioning valve 7 above it;
Load-bearing balancing device 5 is positioned at the cavity 21 of gradient circle ring disk 2, and its one end is fixed on subbase 1, and the other end and rotating disc 3 lean, and realize rotating disc 3 can around the radial phase rotatable engagement of load-bearing balancing device 5.
It should be noted that positioning disk 4 can be changed according to the size of valve body, the size of its locating slot 41 is mated with the size of valve body, thus reaches the object of the valve body sealing surface of flexible processing different size.
Be understandable that, because the rotating disc 3 in frock clamp and positioning disk 4 can around load-bearing balancing device 5 phase rotatable engagement, therefore upset is not needed after machining valve body 7 first sealing surfaces with another end flanges for positioning datum processing valve body 7 second sealing surfaces, only need loosen the fixture between gradient circle ring disk 2 and rotating disc 3, by rotating disc 3 together with after positioning disk 4 and valve body 7 integral-rotation 180 °, another sealing surface unprocessed will be horizontal, thus improve working (machining) efficiency, reduce mismachining tolerance.
Rotate more easily together with positioning disk 4 and valve body 7 entirety to realize rotating disc 3, therefore load-bearing balancing device 5 comprises spring 51, back-up block 52 and thrust bearing 53; Wherein, one end of spring 51 is fixed on subbase 1, and one end of the other end and back-up block 52 leans; The other end of back-up block 52 is formed with a flange 521, and flange 521 is formed with towards one end of rotating disc 3 cambered surface 522 leant with rotating disc 3, and this cambered surface 522 reduces the contact surface with rotating disc 3, is conducive to rotating; Thrust bearing 53 is arranged between spring 51 and flange 521 one end away from rotating disc 3, and this thrust bearing 53 is conducive to the thrust formed after spring 51 compresses release rotating disc 3, thus reduces the pressure suffered by gradient circle ring disk 2.
In the utility model embodiment, gradient circle ring disk 2 is provided with annulus distribution and longitudinal section is T-shaped T-shaped annular groove 22, many group screw nut assemblies 8 are provided with in T-shaped annular groove 22, by screw nut assembly 8, gradient circle ring disk 2 and rotating disc 3 are fixed, therefore, when needs rotate rotating disc 3, only screw nut assembly 8 need be unclamped.
In order to improve machining accuracy and reduce mismachining tolerance, rotating disc 3 is provided with the annulus boss 32 matched with T-shaped annular groove 21, thus guarantees that rotating disc 3 rotates afterwards and the accurate centering of gradient circle ring disk 2 is located.
In order to guarantee the accurate of the anglec of rotation further, the sidewall of rotating disc 3 is formed with location taper hole 33, gradient circle ring disk 2 is provided with and the detent mechanism 23 of locating taper hole 33 and matching, and this mechanism includes conical dowel pin 231, is positioned by conical dowel pin 231 and location taper hole 33.
In order to further guarantee that parts such as rotating disc 3 grade can rotate 180 ° accurately, location taper hole 33 has two, two location taper holes 33 are relatively arranged on the sidewall of rotating disc 3, as two location taper holes 33 are distributed on the opposite end sidewall at rotating disc 3 one-tenth 180 ° of angles.
In the utility model embodiment, rotating disc 3, positioning disk 4 and valve body 7 are fixed by least one clamp assemblies 9; Wherein, each clamp assemblies 9 includes pressing plate 91, bolt and nut component 92 and adjustment block 93.
In order to improve machining accuracy further, need to position rotating disc 3 and positioning disk 4, therefore the top of rotating disc 3 is provided with the first locating hole 31, the below of positioning disk 4 is provided with second locating hole 42 relative with the first locating hole 31, be arranged in the first locating hole 31 and the second locating hole 42 by locating piece 6, realize rotating disc 3 and locate with positioning disk 4 centering.
After the side sealing surface that valve body 7 is horizontal machines, by rotating disc 3, positioning disk 4 and valve body 7 integral-rotation 180 °, now the opposite side sealing surface of valve body 7 is horizontal, but the sealing face be horizontal after rotating, but there is a lateral shift its position, therefore needs the position in sealing face to adjust.For this reason, base disk 1 is provided with a guiding mechanism 12, this guiding mechanism 12 comprises holder 121, screw rod 122, handle 123 and guide finger 124, and wherein, holder 121 and base disk 1 fix; One end of screw rod 122 is connected with handle 123, and the other end is positioned at gradient circle ring disk 2 cavity 21 through gradient circle ring disk 2 and holder 121 successively, and can with gradient circle ring disk 2 and holder 121 phase rotatable engagement; Guide finger 124 matches with the gathering sill 24 arranged below gradient circle ring disk 2.Screw rod 122 can only rotate and can not move in gradient circle ring disk 2, when by handle 123 rotary screw 122, drive gradient circle ring disk 2 moves by screw rod 122 to the left or to the right, and gathering sill 24 coordinates with guide finger 124 and will guarantee that gradient circle ring disk 2 can move accurately to the left or to the right.
Further, in the left and right sides of base disk 1, adjustable position-limit mechanism 11 is set, when the valve body sealing surface of processing first side, valve body sealing surface is adjusted to center by measurement, now by the position-limit mechanism 11 of the first side, this position is limited, when the valve body sealing surface of processing second side, again valve body sealing surface is adjusted to center by measurement, now by the position-limit mechanism 11 of the second side, this position is limited, like this, when second valve body that processing dimension specification is identical, the method by measuring is not needed to adjust the center of sealing surface, as long as just can orient by the position-limit mechanism 11 of the left and right sides center that two valve body sealing surfaces add man-hour fast and accurately, thus the processing of valve body sealing surface can be carried out fast and accurately.
Implement the utility model embodiment, there is following beneficial effect:
1, in the utility model embodiment, because the rotating disc in frock clamp and positioning disk can around load-bearing balancing device phase rotatable engagement, therefore upset is not needed after machining valve body first sealing surface with another end flanges for positioning datum processing valve body second sealing surface, only need by rotating disc together with after positioning disk and valve body integral-rotation 180 °, another sealing surface unprocessed is horizontal, thus improve working (machining) efficiency, reduce mismachining tolerance;
2, in the utility model embodiment, owing to adopting multiple positioning modes (as locating piece, detent mechanism, adjust structure and position-limit mechanism etc.) in frock clamp, make to locate accurately when processing valve body sealing surface, thus improve machining accuracy, reduce mismachining tolerance;
3, in the utility model embodiment, because the positioning disk in frock clamp can be changed according to the size of valve body, thus the sealing surface flexible processing to different size valve body is realized.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (8)
1. for processing a frock clamp for gate valve sealing surface, it matches with valve body (7), it is characterized in that, comprises subbase (1), gradient circle ring disk (2), rotating disc (3) and positioning disk (4); Wherein,
Described gradient circle ring disk (2) is fixed on described subbase (1), is formed with one and has the inclined-plane with the angle of wedge equal angular of described valve body (7) sealing surface above it;
Described rotating disc (3) is fixed on the inclined-plane of described gradient circle ring disk (2);
Described positioning disk (4) is fixed on described rotating disc (3), is provided with the locating slot (41) for locating described valve body (7) above it.
2. as claimed in claim 1 for processing the frock clamp of gate valve sealing surface, it is characterized in that, described gradient circle ring disk (2) is provided with annulus distribution and longitudinal section is T-shaped T-shaped annular groove (22), be provided with in T-shaped annular groove (22) and organize screw nut assembly (8) more, by each screw nut assembly (8), described gradient circle ring disk (2) and described rotating disc (3) are fixed.
3. as claimed in claim 2 for processing the frock clamp of gate valve sealing surface, it is characterized in that, described rotating disc (3) is provided with the annulus boss (32) all matched with described T-shaped annular groove (21), realizes described gradient circle ring disk (2) and locates with described rotating disc (3) centering.
4. as claimed in claim 1 for processing the frock clamp of gate valve sealing surface, it is characterized in that, the sidewall of described rotating disc (3) is formed with location taper hole (33), described gradient circle ring disk (2) is provided with the detent mechanism (23) matched with described location taper hole (33).
5. as claimed in claim 4 for processing the frock clamp of gate valve sealing surface, it is characterized in that, described location taper hole (33) has two, and described two location taper hole (33) are relatively arranged on the sidewall of described rotating disc (3).
6. as claimed in claim 1 for processing the frock clamp of gate valve sealing surface, it is characterized in that, described rotating disc (3), positioning disk (4) and valve body (7) are fixed by least one clamp assemblies (9); Wherein, each clamp assemblies (9) includes pressing plate (91), bolt and nut component (92) and adjustment block (93).
7. as claimed in claim 1 for processing the frock clamp of gate valve sealing surface, it is characterized in that, the top of described rotating disc (3) is provided with the first locating hole (31), the below of described positioning disk (4) is provided with second locating hole (42) relative with described first locating hole (31), be arranged in described first locating hole (31) and described second locating hole (42) by locating piece (6), realize described rotating disc (3) and locate with described positioning disk (4) centering.
8. as claimed in claim 1 for processing the frock clamp of gate valve sealing surface, it is characterized in that, described subbase (1) is provided with position-limit mechanism (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520080229.0U CN204449915U (en) | 2015-02-04 | 2015-02-04 | A kind of frock clamp for processing gate valve sealing surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080229.0U CN204449915U (en) | 2015-02-04 | 2015-02-04 | A kind of frock clamp for processing gate valve sealing surface |
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| CN204449915U true CN204449915U (en) | 2015-07-08 |
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| CN201520080229.0U Active CN204449915U (en) | 2015-02-04 | 2015-02-04 | A kind of frock clamp for processing gate valve sealing surface |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104607953A (en) * | 2015-02-04 | 2015-05-13 | 超达阀门集团股份有限公司 | Tool clamp for machining sealing face of brake valve body |
| CN107598608A (en) * | 2017-10-12 | 2018-01-19 | 无锡透平叶片有限公司 | Grip device for turbine blade leading edge alloy sheet milling |
| CN110181460A (en) * | 2019-07-05 | 2019-08-30 | 博众精工科技股份有限公司 | A kind of lock pair device for workpiece installation |
| CN110936196A (en) * | 2019-12-20 | 2020-03-31 | 超达阀门集团股份有限公司 | Butt welding connects valve body processing frock clamp of high pressure valve |
| CN111823042A (en) * | 2019-04-17 | 2020-10-27 | 江苏万恒铸业有限公司 | Machining process of wedge gate valve body and spherical positioning fixture |
| CN113103022A (en) * | 2021-04-08 | 2021-07-13 | 西安应用光学研究所 | Deformation device for machining deep U-shaped part and directional positioning method based on deformation device |
| CN114986205A (en) * | 2022-06-28 | 2022-09-02 | 东风精密铸造有限公司 | Multi-angle efficient machining tool mechanism |
| CN116944594A (en) * | 2023-09-21 | 2023-10-27 | 成都乘风阀门有限责任公司 | Flat gate valve flashboard processing device and processing method |
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2015
- 2015-02-04 CN CN201520080229.0U patent/CN204449915U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104607953A (en) * | 2015-02-04 | 2015-05-13 | 超达阀门集团股份有限公司 | Tool clamp for machining sealing face of brake valve body |
| CN104607953B (en) * | 2015-02-04 | 2016-03-30 | 超达阀门集团股份有限公司 | A kind of frock clamp for processing gate valve sealing surface |
| CN107598608A (en) * | 2017-10-12 | 2018-01-19 | 无锡透平叶片有限公司 | Grip device for turbine blade leading edge alloy sheet milling |
| CN111823042A (en) * | 2019-04-17 | 2020-10-27 | 江苏万恒铸业有限公司 | Machining process of wedge gate valve body and spherical positioning fixture |
| CN110181460A (en) * | 2019-07-05 | 2019-08-30 | 博众精工科技股份有限公司 | A kind of lock pair device for workpiece installation |
| CN110936196A (en) * | 2019-12-20 | 2020-03-31 | 超达阀门集团股份有限公司 | Butt welding connects valve body processing frock clamp of high pressure valve |
| CN110936196B (en) * | 2019-12-20 | 2020-12-01 | 超达阀门集团股份有限公司 | Butt welding connects valve body processing frock clamp of high pressure valve |
| CN113103022A (en) * | 2021-04-08 | 2021-07-13 | 西安应用光学研究所 | Deformation device for machining deep U-shaped part and directional positioning method based on deformation device |
| CN114986205A (en) * | 2022-06-28 | 2022-09-02 | 东风精密铸造有限公司 | Multi-angle efficient machining tool mechanism |
| CN116944594A (en) * | 2023-09-21 | 2023-10-27 | 成都乘风阀门有限责任公司 | Flat gate valve flashboard processing device and processing method |
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