CN107598064A - Forging and forming technology with handle flanged ball valve valve body - Google Patents
Forging and forming technology with handle flanged ball valve valve body Download PDFInfo
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- CN107598064A CN107598064A CN201710645382.7A CN201710645382A CN107598064A CN 107598064 A CN107598064 A CN 107598064A CN 201710645382 A CN201710645382 A CN 201710645382A CN 107598064 A CN107598064 A CN 107598064A
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Abstract
The invention discloses a kind of forging and forming technology with handle flanged ball valve valve body, comprise the following steps：Make mould, blanking, heating, base, sub-material, finish-forging shaping.Base mould includes base upper male mould, base lower cavity die, ejector beam and backing plate；Finisher includes finish-forging upper male mould, finish-forging lower punch, die holder, left half module and right half module；After left half module closes up with right half module move toward one another, while finish-forging upper male mould moves downward, finish-forging lower punch moves upwards, final forming belt handle flanged ball valve valve body forging, left flange is by finish-forging upper male mould, left half module and right half contour forming, right flange, handle flange are shaped by left half module and right half contour forming, intermediate cavity by finish-forging lower punch.With reference to base mould and finisher, intermediate cavity directly forges, and is processed without subsequent mechanical；Using closed molds, non-trimming produces；Material has been saved, has reduced process, has reduced manufacturing cost, has improved production efficiency.
Description
Technical field
The present invention relates to the metal forming technique in materials processing technology field, and in particular to a kind of band handle flange ball
The forging and forming technology of valve body.
Background technology
Band handle flanged ball valve valve body forging with reference to shown in Fig. 1, Fig. 2, mainly by left flange a, right flange b, osculant
Chamber c and handle flange d compositions.Intermediate cavity c abuts left flange a, and handle flange d is located at intermediate cavity c surface.Due to passing
The forging method of system, it is impossible to forge intermediate cavity c, be cost-effective, such valve body blank, substantially made using casting method
Make.
Band handle flanged ball valve valve body, if using traditional forging and molding, its technological process is：Blanking → heating → system
Base (sub-material) → upset right flange → blocking (preform) → finish-forging shaping → trimming, totally 7 procedure.Its existing subject matter
It is：
(1) intermediate cavity can not be forged, it is necessary to be machined to complete, and manufacturing cost is high；
(2) forged using open type, blank has overlap, it is necessary to trimming；
(3) waste of material is serious, by being machined the intermediate cavity shaped and the overlap cut away into waste material；
The content of the invention
The present invention is improved for above-mentioned technical problem, there is provided a kind of forging and molding work with handle flanged ball valve valve body
Skill, reduce process, non-trimming produces, part material utilization rate is high, production efficiency is high, manufacturing cost is low.
Therefore, a kind of forging and forming technology with handle flanged ball valve valve body provided by the invention, comprises the following steps：
The first step：Make mould, including base mould and finisher；
The base mould includes base upper male mould, base lower cavity die, ejector beam and backing plate；The base upper male mould includes top
Plate installing plate, intermediolateral column and conical lower portion, the intermediolateral column include cylinder and the pillar extended laterally in cylindrical outer wall, and cylinder
Flushed with the bottom surface of pillar；The inner chamber of the base lower cavity die is divided into die cavity top and die cavity bottom, die cavity top section
Being matched with the bottom surface of intermediolateral column, the height on die cavity top is more than the height of conical lower portion, and die cavity bottom is cylindrical hole, and cylinder,
Conical lower portion, cylindrical hole are coaxially disposed, and cylinder, cylindrical hole, conical lower portion, the cross-sectional area of pillar successively decrease successively；The backing plate
Positioned at the intracavity bottom of base lower cavity die, ejector beam is against on backing plate through lower cavity die from bottom to top；
The finisher includes finish-forging upper male mould, finish-forging lower punch, die holder, left half module and right half module, finisher integral left
Right symmetrical, the finish-forging lower punch passes through die holder to stretch into the cavity that left half module surrounds with right half module from bottom to top, the finish-forging
Upper male mould, finish-forging lower punch, die holder, left half module and right half module matched moulds back wall into die cavity just with band handle flanged ball valve valve body
Forging matching；
Second step：Blanking, by blanking dividers lattice；
3rd step：Heating, will be put into heating furnace by bar good under specification, is come out of the stove after being heated to initial forging temperature；
4th step：Base, the bar come out of the stove is put into the base lower cavity die of base mould, base upper male mould is recessed towards base
Mould is moved, until the bottom surface of intermediolateral column flushes with the inner chamber top surface of base lower cavity die and realizes matched moulds, bar is pressed into blank shape
After shape, base upper male mould moves upwards, returns to initial position, and ejector beam moves upwards, promotes backing plate and drives workpiece upward
Motion, workpiece is ejected into lower cavity die, takes out workpiece, completes a working cycles；
5th step：Sub-material, the workpiece of base will be made, be put into axis horizontal in two halves circle clamp, workpiece rotation, make work
The material of part left-right parts is evenly distributed, and material can be full of whole die cavity when being easy to the finish-forging to shape；
6th step：Finish-forging is shaped, and the workpiece that sub-material is completed is put on the finish-forging lower punch of finisher, left half module and right half
After mould move toward one another is closed up, while finish-forging upper male mould moves downward, finish-forging lower punch moves upwards, final forming belt handle method
Blue ball valve body forging, left flange is by finish-forging upper male mould, left half module and right half contour forming, and right flange, handle flange are by left half module
With right half contour forming, intermediate cavity is shaped by finish-forging lower punch, first same by finish-forging upper male mould, finish-forging lower punch after component shaping
When return to initial position, then initial position is returned to by left half module and right half module, finally takes out workpiece, completed a job and follow
Ring.
Beneficial effects of the present invention：With reference to base mould and finisher, intermediate cavity directly forges, without subsequent mechanical plus
Work；Using closed molds, non-trimming produces；By taking Fig. 1 products as an example, use the cutting stock weight of traditional forging forming method for
8.9Kg, the cutting stock weight of this method is 6.01Kg, and by contrast, the material of this method saving is up to 32.4% compared with conventional method,
And reduce process, manufacturing cost is reduced, improves production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation with handle flanged ball valve valve body.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is the state before base mould matched moulds.
Fig. 4 is the state of base mould matched moulds postforming workpiece.
Fig. 5 is the state before finisher matched moulds.
Fig. 6 is the left half module of finisher and right half module close up after state.
Fig. 7 is the state of finisher Forming Workpiece.
Fig. 8 is the forging and forming technology flow chart with handle flanged ball valve valve body.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
Band handle flanged ball valve valve body forging with reference to shown in Fig. 1, Fig. 2, mainly by left flange a, right flange b, osculant
Chamber c and handle flange d compositions.Intermediate cavity c abuts left flange a, and handle flange d is located at intermediate cavity c surface, the forging
Intermediate cavity need completed in forging and molding.
As shown in figure 8, the forging and forming technology with handle flanged ball valve valve body, is carried out as follows：
The first step：Make mould, including base mould and finisher.
With reference to shown in Fig. 3, Fig. 4, base mould is mainly by 4 groups of base upper male mould 1, base lower cavity die 2, ejector beam 3 and backing plate
Into.
Base upper male mould 1 includes mounting of roof plate plate 1a, intermediolateral column and conical lower portion 1c compositions, three in one shaping, top plate
Installing plate 1a is used to be connected with power section, and power section drives base upper male mould 1 to move up and down.Intermediolateral column include cylinder 1b and
In the pillar 1d that cylinder 1b outer walls extend laterally, and cylinder 1b flushes with pillar 1d bottom surface.Cylinder 1b and pillar 1d bottom surface
Matched with the upper surface of preformed workpiece, preformed workpiece carries the blank of handle flange.Conical lower portion 1c is used for preform work
The intermediate cavity of part.
The inner chamber of base lower cavity die 2 is divided into die cavity top 2a and die cavity bottom 2b, die cavity top 2a sections and intermediolateral column
Bottom surface is matched, and the workpiece of handle flange blank is carried for preform.Die cavity top 2a height is more than conical lower portion 1c height
Degree, die cavity bottom 2b is cylindrical hole, and cylinder 1b, conical lower portion 1c, cylindrical hole are coaxially disposed, cylinder 1b, cylindrical hole, conical bottom
Portion 1c, pillar 1d cross-sectional area successively decrease successively.Backing plate 4 is located at the intracavity bottom of base lower cavity die 2, and ejector beam 3 is from bottom to top
It is against through lower cavity die 2 on backing plate 4, base upper male mould 1 moves towards base lower cavity die 2, until under the bottom surface and base of intermediolateral column
The inner chamber top surface of cavity plate 2, which flushes, realizes matched moulds, and after component shaping, base upper male mould 1 moves upwards, and ejector beam 3 promotes backing plate 4 simultaneously
Drive workpiece to move upwards, realize the demoulding.
As shown in Fig. 5-Fig. 7, finisher is mainly by finish-forging upper male mould 5, finish-forging lower punch 6, die holder 7, left half module 8 and the right side
Half module 9, finisher is integrally symmetrical.Finish-forging lower punch 6 is in shaft-like, stretches into left half module 8 and right half through die holder 7 from bottom to top
In the cavity that mould 9 surrounds.After left half module 8 closes up with the right move toward one another of half module 9, while finish-forging upper male mould 5 moves downward, finish-forging
Lower punch 6 moves upwards, final forming belt handle flanged ball valve valve body forging.Finish-forging upper male mould 5, finish-forging lower punch 6, die holder 7,
Left half module 8 and the matched moulds back wall of right half module 9 into die cavity just matched with the forging with handle flanged ball valve valve body.
Preferably, the top of die holder 7 of finisher is additionally provided with cushion block 10.
Second step：Blanking, by blanking dividers lattice.
3rd step：Heating, will be put into heating furnace by bar good under specification, is come out of the stove after being heated to initial forging temperature.
4th step：Base, the bar come out of the stove is put into the base lower cavity die 2 of base mould, base upper male mould 1 is towards under base
Cavity plate 2 is moved, until the bottom surface of intermediolateral column flushes with the inner chamber top surface of base lower cavity die 2 and realizes matched moulds, bar is pressed into base
After expecting shape, base upper male mould 1 moves upwards, returns to initial position, and ejector beam 3 moves upwards, promotes backing plate 4 and band is started building
Part is moved upwards, and workpiece is ejected into lower cavity die, takes out workpiece, completes a working cycles.
5th step：Sub-material, the workpiece of base will be made, be put into axis horizontal in two halves circle clamp, workpiece rotation, make work
The material of part left-right parts is evenly distributed, and material can be full of whole die cavity when being easy to the finish-forging to shape.Sub-material, also known as have a waistline, pinch
Waist is the process often having in forging forming, be will not be repeated here, in the forging and molding of conventional belt handle flanged ball valve valve body forging
Also there is the step in technique.
6th step：Finish-forging shapes, and the workpiece that sub-material is completed is put on the finish-forging lower punch 6 of finisher, stamp forging hydraulic press
Left and right die cylinder to intermediary movements, drive left half module 8 to close up with the right move toward one another of half module 9, left half module after closing up, right half
Mould is locked.Afterwards, while stamp forging hydraulic press master cylinder drive finish-forging upper male mould 5 moves downward, oil cylinder under stamp forging hydraulic press
Drive finish-forging lower punch 6 to move upwards, final forming belt handle flanged ball valve valve body forging, left flange a by finish-forging upper male mould 5,
Left half module 8 and right half module 9 are shaped, and right flange b, handle flange d are shaped by left half module 8 and right half module 9, and intermediate cavity c is by finish-forging
Lower punch 6 shapes, and after component shaping, first returns to initial position simultaneously by finish-forging upper male mould 5, finish-forging lower punch 6, then by left half
Mould 8 and right half module 9 return to initial position, finally take out workpiece, complete a working cycles.
Claims (2)
1. a kind of forging and forming technology with handle flanged ball valve valve body, it is characterised in that comprise the following steps：
The first step：Make mould, including base mould and finisher；
The base mould includes base upper male mould (1), base lower cavity die (2), ejector beam (3) and backing plate (4)；The base is convex
Mould (1) includes mounting of roof plate plate (1a), intermediolateral column and conical lower portion (1c), and the intermediolateral column includes cylinder (1b) and in cylinder
The pillar (1d) that (1b) outer wall extends laterally, and cylinder (1b) flushes with the bottom surface of pillar (1d)；The base lower cavity die (2)
Inner chamber is divided into die cavity top (2a) and die cavity bottom (2b), and die cavity top (2a) section matches with the bottom surface of intermediolateral column, type
The height on chamber top (2a) is more than the height of conical lower portion (1c), and die cavity bottom (2b) is cylindrical hole, and cylinder (1b), conical bottom
Portion (1c), cylindrical hole are coaxially disposed, and cylinder (1b), cylindrical hole, conical lower portion (1c), the cross-sectional area of pillar (1d) are passed successively
Subtract；The backing plate (4) is located at the intracavity bottom of base lower cavity die (2), and ejector beam (3) is against through lower cavity die (2) from bottom to top
On backing plate (4)；
The finisher includes finish-forging upper male mould (5), finish-forging lower punch (6), die holder (7), left half module (8) and right half module (9), eventually
Forging die is integrally symmetrical, and the finish-forging lower punch (6) stretches into left half module (8) and right half module (9) through die holder (7) from bottom to top
In the cavity surrounded, the finish-forging upper male mould (5), finish-forging lower punch (6), die holder (7), left half module (8) and right half module (9) matched moulds
Back wall into die cavity just matched with the forging with handle flanged ball valve valve body；
Second step：Blanking, by blanking dividers lattice；
3rd step：Heating, will be put into heating furnace by bar good under specification, is come out of the stove after being heated to initial forging temperature；
4th step：Base, the bar come out of the stove is put into the base lower cavity die (2) of base mould, base upper male mould (1) is towards under base
Cavity plate (2) is moved, until the bottom surface of intermediolateral column flushes with the inner chamber top surface of base lower cavity die (2) and realizes matched moulds, bar is suppressed
Into after blank shape, base upper male mould (1) moves upwards, returns to initial position, and ejector beam (3) moves upwards, promotes backing plate
(4) and drive workpiece to move upwards, workpiece is ejected into lower cavity die, takes out workpiece, completes a working cycles；
5th step：Sub-material, the workpiece of base will be made, be put into axis horizontal in two halves circle clamp, workpiece rotation, make workpiece left
The material of right half is evenly distributed, and material can be full of whole die cavity when being easy to the finish-forging to shape；
6th step：Finish-forging is shaped, and the workpiece that sub-material is completed is put on the finish-forging lower punch (6) of finisher, left half module (8) and the right side
After half module (9) move toward one another is closed up, while finish-forging upper male mould (5) moves downward, finish-forging lower punch (6) moves upwards, finally
Forming belt handle flanged ball valve valve body forging, left flange (a) are shaped by finish-forging upper male mould (5), left half module (8) and right half module (9),
Right flange (b), handle flange (d) are shaped by left half module (8) and right half module (9), intermediate cavity (c) by finish-forging lower punch (6) into
Shape, after component shaping, first by finish-forging upper male mould (5), finish-forging lower punch (6) while initial position is returned to, then by left half module (8)
Initial position is returned to right half module (9), finally takes out workpiece, completes a working cycles.
2. according to the forging and forming technology with handle flanged ball valve valve body described in claim 1, it is characterised in that：The finish-forging
Cushion block (10) is additionally provided with the top of the die holder (7) of mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710645382.7A CN107598064B (en) | 2017-07-31 | 2017-07-31 | Forging and forming technology with handle flanged ball valve valve body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710645382.7A CN107598064B (en) | 2017-07-31 | 2017-07-31 | Forging and forming technology with handle flanged ball valve valve body |
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| Publication Number | Publication Date |
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| CN107598064A true CN107598064A (en) | 2018-01-19 |
| CN107598064B CN107598064B (en) | 2018-11-16 |
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| CN201710645382.7A Active CN107598064B (en) | 2017-07-31 | 2017-07-31 | Forging and forming technology with handle flanged ball valve valve body |
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Cited By (5)
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| CN107363205A (en) * | 2017-07-31 | 2017-11-21 | 四川凯茨实业集团有限公司 | Forging and molding module with handle flanged ball valve valve body forging |
| CN107671217A (en) * | 2017-11-21 | 2018-02-09 | 四川凯茨阀门制造有限公司 | A kind of flanged ball valve valve body forging forming method and its base mould of use |
| CN109926541A (en) * | 2019-04-24 | 2019-06-25 | 四川弘信能源装备制造有限公司 | The forging forming method of two-piece type flanged joint ball valve valve deck blank |
| CN113000775A (en) * | 2021-03-15 | 2021-06-22 | 淮安方圆锻造有限公司 | Method for forging multi-way valve at wellhead of oil production well |
| CN113878318A (en) * | 2021-11-22 | 2022-01-04 | 山东徐氏重工有限公司 | Production process of auxiliary valve body of spherical fixed ball valve |
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| CN102198481A (en) * | 2011-04-20 | 2011-09-28 | 大连大高阀门有限公司 | Technology for integrally forging valve with flange |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107363205A (en) * | 2017-07-31 | 2017-11-21 | 四川凯茨实业集团有限公司 | Forging and molding module with handle flanged ball valve valve body forging |
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| CN109926541A (en) * | 2019-04-24 | 2019-06-25 | 四川弘信能源装备制造有限公司 | The forging forming method of two-piece type flanged joint ball valve valve deck blank |
| CN109926541B (en) * | 2019-04-24 | 2020-04-03 | 四川弘信能源装备制造有限公司 | Forging forming method of two-piece flange connection ball valve cover blank |
| CN113000775A (en) * | 2021-03-15 | 2021-06-22 | 淮安方圆锻造有限公司 | Method for forging multi-way valve at wellhead of oil production well |
| CN113878318A (en) * | 2021-11-22 | 2022-01-04 | 山东徐氏重工有限公司 | Production process of auxiliary valve body of spherical fixed ball valve |
| CN113878318B (en) * | 2021-11-22 | 2023-08-22 | 山东徐氏重工有限公司 | Production process of auxiliary valve body of spherical fixed ball valve |
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| CN107598064B (en) | 2018-11-16 |
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