CN208090029U - A kind of valve deck forging - Google Patents

Abstract

The utility model is related to arrive a kind of valve deck forging, including forging body, central shaft hole is set in forging body, first flange end and second flange end are provided on forging body outer circumference surface, annular groove is formed between first flange end and second flange end, first flange end forms the first positioning step between the face and forging body at second flange end, and the second positioning step is formed between second flange end side surface and forging body.For connecting, annular groove can be recycled the extra material to get off by ring rolls roller-compaction again for first flange end and second flange end, to reduce cost, while reduce in post-production the cutting time to valve deck forging, to improve working efficiency；First positioning step, the second positioning step can both save the materials'use at step, it also can be after the completion of valve deck forging process, so that the first positioning step and the second positioning step are adapted to valve, positioning action can be played when mounted, while being cooperated with valve also even closer.

Description

A kind of valve deck forging

Technical field

The utility model is related to a kind of forging, more particularly to a kind of valve deck forging.

Background technology

The development of society be unable to do without the energy, and there are many kinds of variety of energy sources, including oil, natural gas, wind energy etc., in stone During oil, gas extraction, it can use and arrive some large scale equipments, some valves used are also large size valve, valve Door includes valve deck, these large-scale valve decks can be finished by valve deck forging, and valve deck forging can be added by ring rolls Work forms, and the valve deck forging being process is typically at around cylindric；But in many factories, the Fixture Design used does not conform to Reason, as shown in Figure 1, blank made from rolling ring is caused to differ greatly with the External Shape for asking for manufacture, adds to increase smart car The difficulty of work, the difficulty for also resulting in finishing processing increase, and consumption of raw materials is more, reduces production efficiency, increases production cost.

Utility model content

The purpose of this utility model be to provide a kind of more material-saving and it is follow-up needed for cutting time less valve deck forging.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of valve deck forging, packet Cylindrical forging body is included, the central shaft hole of its thickness, the forging body excircle are provided through in the forging body Being extended on face has first flange end and second flange end, and annular is formed between the first flange end and second flange end Slot, the first flange end form the first positioning step between the side and forging body at second flange end, and described second Flange end forms the second positioning step away from the side at first flange end with forging body outer circumference surface.

By using above-mentioned technical proposal, the first flange end and second flange end that are arranged in forging body are used to connect It connects, and the annular groove in this programme between first flange end and second flange end can be by ring rolls roller-compaction, for more The material that remainder is come can recycle again, to reduce cost, while reducing in post-production and being cut to valve deck forging The time is cut, to improve the working efficiency of overall flow；The first positioning step for being arranged in forging body, the second positioning step were both The materials'use at step can be saved, it also can be after the completion of valve deck forging process so that the first positioning step and the second positioning table Rank is adapted to valve, can play positioning action when mounted, at the same with valve cooperate also it is even closer, agree with；And In transportational process, rope can be fixed valve deck forging around annular groove, to make valve deck forging in transport it is fixed more Securely, it avoids arbitrarily shaking, ensure that transportation safety.

Preferably, the annular groove bottom is set as the first chamfering, the annular groove bottom with first flange end side surface It is set as the second chamfering with second flange end side surface.

It when later stage valve deck forging finishes needs that fillet knot will be processed at two chamferings by using above-mentioned technical proposal Structure；And in preliminary working, it is first processed into chamfering, there are surpluses before following process, when also making following process into fillet The size that fillet can easily be controlled, to ensure the rounding off between fillet and first flange end, second flange end, if It is directly rolled into fillet, then is also easy to produce larger error.

Preferably, the angle between first chamfering and first flange end side wall is 45 °, second chamfering and the Angle is 45 ° between two flange end side walls.

By using above-mentioned technical proposal, the first chamfering can play first flange end certain supporting role, and second falls Angle can play second flange end certain supporting role, to avoid first flange end or second flange end from thinking annular groove side Bending, it is ensured that first flange end and second flange end it is secured.

Preferably, distance of the first chamfering length less than 1/3 first flange end outer wall to annular groove bottom, described Second chamfering length is less than 1/3 first flange end outer wall to the distance of annular groove bottom.

It is by using above-mentioned technical proposal, the length of the first chamfering, the second chamfering is smaller, avoid chamfering too small, simultaneously Keep remaining and recoverable clout more；To save the time of following process, also further mitigate overall weight.

Preferably, first flange end outer diameter is more than the outer diameter at second flange end.

By using above-mentioned technical proposal, in visual poor working environment, by touching forging body, and root The different size at first flange end and second flange end, to judge the direction of valve deck forging.

Preferably, the width at the first flange end and second flange end is of same size.

By using above-mentioned technical proposal, it sets the width of the width at first flange end and second flange end to identical width Degree, to ensure the overall construction intensity of valve deck forging.

Preferably, the width of the annular groove is more than the width at first flange end and the width less than twice of first flange end Degree.

By using above-mentioned technical proposal, when installing valve deck, first flange end and second flange end need to fix, by ring Shape slot is set as such size, larger operating space can be provided for annular groove, therefore while being conveniently operated, also ensure The structural strength of forging body.

Preferably, Circle-Array shows several polygonal grooves to lower recess in the annular groove.

By using above-mentioned technical proposal, the polygonal grooves being arranged in annular groove can be used for increasing rubbing in annular groove Wipe power.

In conclusion the utility model has the advantages that：The first flange end being arranged in forging body and second Flange end is used to connect, and the annular groove in this programme between first flange end and second flange end can be ground by ring rolls It is molded, the extra material to get off can be recycled again, to reduce cost, while being reduced in post-production pair The cutting time of valve deck forging, to improve the working efficiency of overall flow；The first positioning step for being arranged in forging body, Two positioning steps can both save the materials'use at step, also can be after the completion of valve deck forging process so that the first positioning step It is adapted to valve with the second positioning step, positioning action can be played when mounted, while cooperating with valve and also more stepping up It is close, agree with.

Description of the drawings

Fig. 1 is background technology structural schematic diagram；

Fig. 2 is overall structure sectional view in embodiment 1；

Fig. 3 is overall structure sectional view in embodiment 2.

In figure, 1, forging body；11, central shaft hole；2, first flange end；21, the first positioning step；22, the first chamfering； 3, annular groove；31, polygonal grooves；4, second flange end；41, the second positioning step；42, the second chamfering.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Embodiment 1：A kind of valve deck forging is columnar member, forging in forging body 1 as shown in Fig. 2, including forging body 1 Its short transverse of 1 upper edge of ontology offers the central shaft hole 11 through its thickness；Extend outwardly on the outer circumference surface of forging body 1 First flange end 2 and second flange end 4 are formed, forms annular groove 3 between first flange end 2 and second flange end 4.

As shown in Fig. 2, first flange end 2 is between the side and the excircle side wall of forging body 1 at second flange end 4 Form the first positioning step 21；Second flange end 4 away from side and the forging body 1 at first flange end 2 excircle side wall it Between form the second positioning step 41.

As shown in Fig. 2, forming the first chamfering 22 between annular groove 3 and the side at first flange end 2；Annular groove 3 and second The second chamfering 42 is formed between the side of flange end 4；First chamfering 22 is identical with 42 shape of the second chamfering.

As shown in Fig. 2, the outer diameter at first flange end 2 is more than the outer diameter at second flange end 4, first flange end 2 and the second method The different location of 4 connecting valve of blue end, such setting can be preferably adapted to valve；In the present embodiment, the second chamfering 22 Angle be 45 °, length is less than the one third that 3 distance from bottom of annular groove is arrived in the outside of first flange end 2, the angle of the second chamfering 42 Degree is similarly 45 °, and length is less than the one third that 3 distance from bottom of annular groove is arrived in 4 outside of second flange end；This set it Under, the first chamfering 42 can play a supporting role to first flange end 2, and the second chamfering 42 can play branch to second flange end 4 Support acts on, and can be used for first flange end 2 or second flange end 4 and is not easy to think that 3 side of annular groove is bent, to ensure that first flange End 2 and second flange end 4 it is secured.

As shown in Fig. 2, the width at first flange end 2 and second flange end 4 is of same size, the width of annular groove 3 is about 1.2-1.8 is by the width at first flange end 2.

Operation principle：The first flange end 2 and second flange end 4 being arranged in forging body 1 are used to connect, and in we Annular groove 3 in case between first flange end 2 and second flange end 4 can be got off for extra by ring rolls roller-compaction Material can recycle again, to reduce cost, while reduce in post-production the cutting time to valve deck forging, from And improve the working efficiency of overall flow；The first positioning step 21, the second positioning step 41 being arranged in forging body 1 can both save The materials'use at step is saved, it also can be after the completion of valve deck forging process so that the first positioning step 21 and the second positioning step 41 are adapted to valve, can play positioning action when mounted, at the same with valve cooperate also it is even closer, agree with.

Embodiment 2：The overall structure of embodiment 2 and the overall structure in embodiment 1 are essentially identical, as shown in figure 3, annular Circle-Array shows several polygonal grooves 31 in slot 3.

Operation principle：The operation principle of embodiment 2 and the operation principle of embodiment 1 are essentially identical.

Claims (8)

1. a kind of valve deck forging, including cylindrical forging body（1）, the forging body（1）On be provided through its thickness Central shaft hole（11）, it is characterised in that：The forging body（1）Being extended on outer circumference surface has first flange end（2）With Two flange ends（4）, the first flange end（2）With second flange end（4）Between form annular groove（3）, the first flange end （2）Away from second flange end（4）Side and forging body（1）Between form the first positioning step（21）, the second flange End（4）Away from first flange end（2）Side and forging body（1）Outer circumference surface forms the second positioning step（41）.

2. a kind of valve deck forging according to claim 1, it is characterised in that：The annular groove（3）Bottom surface and first flange End（2）Side is set as the first chamfering（22）, the annular groove（3）Bottom surface and second flange end（4）Side is set as second and falls Angle（42）.

3. a kind of valve deck forging according to claim 2, it is characterised in that：First chamfering（22）With first flange end （2）Angle between side wall is 45 °, second chamfering（42）With second flange end（4）Angle is 45 ° between side wall.

4. a kind of valve deck forging according to claim 3, it is characterised in that：First chamfering（22）Length is less than 1/3 First flange end（2）Outer wall is to annular groove（3）The distance of bottom, second chamfering（42）Length is less than 1/3 first flange end （2）Outer wall is to annular groove（3）The distance of bottom.

5. a kind of valve deck forging according to claim 4, it is characterised in that：The first flange end（2）Outer diameter is more than the Two flange ends（4）Outer diameter.

6. a kind of valve deck forging according to claim 5, it is characterised in that：The first flange end（2）Width and Two flange ends（4）It is of same size.

7. a kind of valve deck forging according to claim 6, it is characterised in that：The annular groove（3）Width be more than first Flange end（2）Width and be less than twice of first flange end（2）Width.

8. a kind of valve deck forging according to claim 7, it is characterised in that：The annular groove（3）If middle Circle-Array is shown The dry polygonal grooves to lower recess（31）.