CN103438231A - Method for processing butterfly plate device of butterfly valve body - Google Patents
Method for processing butterfly plate device of butterfly valve body Download PDFInfo
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- CN103438231A CN103438231A CN201310310809XA CN201310310809A CN103438231A CN 103438231 A CN103438231 A CN 103438231A CN 201310310809X A CN201310310809X A CN 201310310809XA CN 201310310809 A CN201310310809 A CN 201310310809A CN 103438231 A CN103438231 A CN 103438231A
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Abstract
The invention relates to a method for processing a butterfly plate device of a butterfly valve body. The butterfly plate device comprises a butterfly plate, a butterfly plate axle hole, a main shaft section, a connecting plate shaft section and a fixed shaft section, wherein butterfly plate is made by stamping or casting; the radial concentric rectangular butterfly plate axle hole is formed in the center line of the butterfly plate; the connecting plate shaft section is arranged in the rectangular butterfly plate axle hole; a valve rod of a butterfly valve is divided into three sections in a coaxial way; on a lathe, a cylindrical steel bar is turned into the cylindrical main shaft section and the connecting plate shaft section, and the diameter of the cylindrical steel car is larger than the diagonal length of the butterfly plate axle hole; the diameter of the fixed shaft section is smaller than the length of the rectangular straight side of the butterfly plate axle hole; the connecting plate shaft section is planed on the cylindrical valve rod of the butterfly valve, and the cylindrical valve rod of the butterfly valve is fixed on a planer; the valve rod of the butterfly valve is planed into a corresponding rectangle smaller than the butterfly plate axle hole and then is installed into the butterfly plate axle hole. The design is reasonable; the butterfly plate axle hole is designed into a square shape, the square connecting plate shaft section corresponds to the butterfly plate axle hole, and the valve rod is closely matched with the butterfly plate, so that a fixing pin is not needed for fixing, water leakage point positions and sliding pins which are caused during processing and manufacturing can be reduced, the butterfly plate device is firm and durable, and the service life is prolonged.
Description
Technical field
The present invention relates to the processing of the valving of pipeline, especially a kind of processing method of butterfly valve body butterfly plate device.
Background technique
Original butterfly plate and valve rod are splits, preformed hole is arranged in the middle of butterfly plate, what valve rod adopted mostly is round bar, valve rod pierces into the middle reserved circular apertures of butterfly plate by valve body and valve seat, then boring, make fixing pin valve rod and butterfly plate are connected together, fixing pin uses for a long time once damage, and can cause the rotation of sky axle.Butterfly plate will have preformed hole when casting, and with the centrad that guarantees that machining is, if left and right discontinuity after wrong missionary society causes butterfly plate to install, butterfly plate is smashed under pressure.Butterfly plate will pierce into the butterfly plate center hole to valve rod with coordinating of valve rod and fixing pin is made in boring, from fixing pin, also there will be leakage.In view of above-mentioned many reasons, need to improve butterfly valve body butterfly plate device and processing method thereof.
Summary of the invention
The present invention is fixed by fixing pin for the round valve rod main shaft in the circular apertures that solves the butterfly valve butterfly plate, fixing pin is once damage, can cause the sky axle to rotate and sliding pin, the hole of fixing pin causes valve body to leak, empty axle rotates butterfly plate and easily splits phenomenon, by rational design, a kind of processing method of butterfly valve body butterfly plate device is provided, the design of butterfly plate axis hole, be processed into square, and the square shaft part of winning in succession of corresponding butterfly plate axis hole, and valve rod coordinates tight with butterfly plate, do not need fixing pin to fix, processing and produce while manufacturing leakage point position and sliding pin, sturdy and durable, extended working life.
The present invention, in order to realize above-mentioned goal of the invention, adopts following technological scheme: a kind of butterfly valve butterfly plate device is by butterfly plate, butterfly plate axis hole, main shaft section, connecting plate shaft part, fixedly shaft part forms; The center line of butterfly plate arranges the rectangle butterfly plate axis hole of radial concentric; In rectangle butterfly plate axis hole, the connecting plate shaft part is set; The butterfly valve valve rod coaxially is set to three sections, and main shaft section one side arranges the connecting plate shaft part, and the connecting plate shaft part is rectangle, and connecting plate shaft part opposite side arranges fixedly shaft part, and in the butterfly plate axis hole, correspondence arranges the connecting plate shaft part.
Mould is arranged on stamping press, former steel blank is put to the mould middle part, strike out the blank of butterfly plate, take out the blank of butterfly plate from mould, the blank of butterfly plate radially is fixed on drilling machine, and drilling machine radially gets out circular hole by the center line of butterfly plate, then will get out the circular hole butterfly plate and take off, radially be fixed to milling machine, milling machine mills orthogonal butterfly plate axis hole by saturating circular hole.
Butterfly valve valve rod coaxial design is three sections, the steel car of cylinder type is become to main shaft section and the connecting plate shaft part of cylinder type on lathe, fixing shaft part, and the main shaft section of cylinder type and the diameter of connecting plate shaft part are greater than the diagonal angle length of butterfly plate axis hole rectangle; Fixedly the diameter of shaft part is less than the length on butterfly plate axis hole rectangular limit; Then go out the connecting plate shaft part at cylinder type butterfly valve valve rod on number, cylinder type butterfly valve valve rod is fixed on planer, the connecting plate shaft part number gone out is dug into cylinder type butterfly valve valve rod to be less than the rectangle corresponding with the butterfly plate axis hole on planer; The connecting plate shaft part correspondence of the cylinder type butterfly valve valve rod made is fit in the butterfly plate axis hole and gets final product.
The butterfly plate model is made to sand mold, pouring molten steel is entered to sand mold and become butterfly plate, then butterfly plate radially is fixed on milling machine, by milling cutter, mill orthogonal butterfly plate axis hole.
Beneficial effect: appropriate design, the butterfly plate axis hole is designed to square, and the square shaft part of winning in succession of corresponding butterfly plate axis hole, and valve rod coordinates tight with butterfly plate, do not need fixing pin to fix, reduce processing and produce while manufacturing leakage point position and sliding pin, firm anti-, extended working life.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is: the butterfly plate structural representation.
Fig. 2 is: the stem structure schematic diagram.
In Fig. 1 .2: butterfly plate 1, butterfly plate axis hole 2, main shaft section 3, connecting plate shaft part 4, fixing shaft part 5.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described:
Embodiment 1
As shown in the figure; The center line of butterfly plate 1 arranges the rectangle butterfly plate axis hole 2 of radial concentric; In rectangle butterfly plate axis hole 2, connecting plate shaft part 4 is set; The butterfly valve valve rod coaxially is set to three sections, and main shaft section 3 one sides arrange connecting plate shaft part 4, and connecting plate shaft part 4 is rectangle, and connecting plate shaft part 4 opposite sides arrange fixedly shaft part 5, and in butterfly plate axis hole 2, correspondence arranges connecting plate shaft part 4.
Mould is arranged on stamping press, former steel blank is put to the mould middle part, strike out the blank of butterfly plate 1, take out the blank of butterfly plate 1 from mould, the blank of butterfly plate 1 radially is fixed on drilling machine, and drilling machine radially gets out circular hole by the center line of butterfly plate 1, then will get out circular hole butterfly plate 1 and take off, radially be fixed to milling machine, milling machine mills orthogonal butterfly plate axis hole 2 by saturating circular hole.
Embodiment 3
Butterfly valve valve rod coaxial design is three sections, the steel car of cylinder type is become to main shaft section 3 and the connecting plate shaft part 4 of cylinder type on lathe, and fixedly shaft part 5, and the main shaft section 3 of cylinder type and the diameter of connecting plate shaft part 4 are greater than the diagonal angle length of butterfly plate axis hole 2 rectangles; Fixedly the diameter of shaft part 5 is less than the length of butterfly plate axis hole 2 rectangle straight flanges; Then go out connecting plate shaft part 4 at cylinder type butterfly valve valve rod on number, cylinder type butterfly valve valve rod is fixed on planer, the connecting plate shaft part 4 number gone out is dug into cylinder type butterfly valve valve rod to be less than the rectangle corresponding with butterfly plate axis hole 2 on planer; Connecting plate shaft part 4 correspondences of the cylinder type butterfly valve valve rod made are fit in butterfly plate axis hole 2 and get final product.
Embodiment 4
The butterfly plate model is made to sand mold, pouring molten steel is entered to sand mold and become butterfly plate 1, then butterfly plate 1 radially is fixed on milling machine, by milling cutter, mill orthogonal butterfly plate axis hole 2.
Claims (4)
1. a butterfly valve butterfly plate device is by butterfly plate (1), butterfly plate axis hole (2), main shaft section (3), connecting plate shaft part (4), fixedly shaft part (5) forms; It is characterized in that: the center line of butterfly plate (1) arranges the rectangle dish plate axis hole (2) of radial concentric; Connecting plate shaft part (4) is set in rectangle butterfly plate axis hole (2); The butterfly valve valve rod coaxially is set to three sections, and main shaft section (3) one sides arrange connecting plate shaft part (4), and connecting plate shaft part (4) is rectangle, and connecting plate shaft part (4) opposite side arranges fixedly shaft part 5, and in butterfly plate axis hole (2), correspondence arranges connecting plate shaft part (4).
2. according to the processing method of butterfly plate in a kind of butterfly valve butterfly plate device described in claim 1, it is characterized in that: mould is arranged on stamping press, former steel blank is put to the mould middle part, strike out the blank of butterfly plate (1), take out the blank of butterfly plate (1) from mould, radially be fixed on the blank of butterfly plate (1) on drilling machine, drilling machine radially gets out circular hole by the center line of butterfly plate (1), then will get out circular hole butterfly plate (1) takes off, radially be fixed to milling machine, milling machine mills orthogonal butterfly plate axis hole (2) by saturating circular hole.
3. according to the processing method of butterfly plate in a kind of butterfly valve butterfly plate device described in claim 1, it is characterized in that: the butterfly plate model is made to sand mold, pouring molten steel is entered to sand mold and become butterfly plate (1), then butterfly plate (1) radially is fixed on milling machine, by milling cutter, mills orthogonal butterfly plate axis hole (2).
4. according to the processing method of valve rod in a kind of butterfly valve butterfly plate device described in claim 1, it is characterized in that: butterfly valve valve rod coaxial design is three sections, the steel car of cylinder type is become to main shaft section (3) and the connecting plate shaft part (4) of cylinder type on lathe, fixing shaft part (5), the main shaft section (3) of cylinder type and the diameter of connecting plate shaft part (4) are greater than the diagonal angle length of butterfly plate axis hole (2) rectangle; Fixedly the diameter of shaft part (5) is less than the length of butterfly plate axis hole (2) rectangle straight flange; Then go out connecting plate shaft part (4) at cylinder type butterfly valve valve rod on number, cylinder type butterfly valve valve rod is fixed on planer, the connecting plate shaft part (4) number gone out is dug into cylinder type butterfly valve valve rod and is less than the rectangle corresponding with butterfly plate axis hole (2) on planer; Connecting plate shaft part (4) correspondence of the cylinder type butterfly valve valve rod made is fit in butterfly plate axis hole (2) and gets final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310310809XA CN103438231A (en) | 2013-07-23 | 2013-07-23 | Method for processing butterfly plate device of butterfly valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310310809XA CN103438231A (en) | 2013-07-23 | 2013-07-23 | Method for processing butterfly plate device of butterfly valve body |
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| Publication Number | Publication Date |
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| CN103438231A true CN103438231A (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310310809XA Pending CN103438231A (en) | 2013-07-23 | 2013-07-23 | Method for processing butterfly plate device of butterfly valve body |
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| Country | Link |
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| CN (1) | CN103438231A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737262A (en) * | 2013-12-23 | 2014-04-23 | 柳州市永信机械配件制造有限公司 | Casting method of positioning thimble |
| CN104607869A (en) * | 2014-11-25 | 2015-05-13 | 南通贝特医药机械有限公司 | Method for manufacturing butterfly plate |
| CN108223907A (en) * | 2018-01-16 | 2018-06-29 | 江苏华东正大空调设备有限公司 | A kind of valve drive shaft and its processing method |
| CN113618334A (en) * | 2021-07-28 | 2021-11-09 | 山东亿佰通机械股份有限公司 | Machining method of butt-clamped butterfly valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206879Y (en) * | 1994-12-17 | 1995-09-06 | 天津三金塑胶制品有限公司 | Butterfly bamper |
| US5741006A (en) * | 1993-12-01 | 1998-04-21 | Okumura Engineering Corp. | Butterfly valve |
| CN201934692U (en) * | 2011-01-25 | 2011-08-17 | 天津市麦克斯自控阀门有限公司 | Valve plate of no-pin through shaft butterfly valve |
| CN202674335U (en) * | 2012-06-28 | 2013-01-16 | 天津市滨海新区塘沽于庄橡胶厂 | Through hole rubber-lined butterfly valve |
| CN203404390U (en) * | 2013-07-23 | 2014-01-22 | 夏许超 | Butterfly valve body butterfly plate device |
-
2013
- 2013-07-23 CN CN201310310809XA patent/CN103438231A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5741006A (en) * | 1993-12-01 | 1998-04-21 | Okumura Engineering Corp. | Butterfly valve |
| CN2206879Y (en) * | 1994-12-17 | 1995-09-06 | 天津三金塑胶制品有限公司 | Butterfly bamper |
| CN201934692U (en) * | 2011-01-25 | 2011-08-17 | 天津市麦克斯自控阀门有限公司 | Valve plate of no-pin through shaft butterfly valve |
| CN202674335U (en) * | 2012-06-28 | 2013-01-16 | 天津市滨海新区塘沽于庄橡胶厂 | Through hole rubber-lined butterfly valve |
| CN203404390U (en) * | 2013-07-23 | 2014-01-22 | 夏许超 | Butterfly valve body butterfly plate device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737262A (en) * | 2013-12-23 | 2014-04-23 | 柳州市永信机械配件制造有限公司 | Casting method of positioning thimble |
| CN103737262B (en) * | 2013-12-23 | 2016-02-17 | 柳州市永信机械配件制造有限公司 | The casting method of location thimble |
| CN104607869A (en) * | 2014-11-25 | 2015-05-13 | 南通贝特医药机械有限公司 | Method for manufacturing butterfly plate |
| CN104607869B (en) * | 2014-11-25 | 2017-06-16 | 南通贝特医药机械有限公司 | The manufacture method of butterfly plate |
| CN108223907A (en) * | 2018-01-16 | 2018-06-29 | 江苏华东正大空调设备有限公司 | A kind of valve drive shaft and its processing method |
| CN113618334A (en) * | 2021-07-28 | 2021-11-09 | 山东亿佰通机械股份有限公司 | Machining method of butt-clamped butterfly valve |
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Application publication date: 20131211 |