CN107598064B - 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 PDF

Info

Publication number
CN107598064B
CN107598064B CN201710645382.7A CN201710645382A CN107598064B CN 107598064 B CN107598064 B CN 107598064B CN 201710645382 A CN201710645382 A CN 201710645382A CN 107598064 B CN107598064 B CN 107598064B
Authority
CN
China
Prior art keywords
forging
finish
base
module
cavity
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.)
Active
Application number
CN201710645382.7A
Other languages
Chinese (zh)
Other versions
CN107598064A (en
Inventor
吴克成
周亚夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Katz Industrial Group Co Ltd
Original Assignee
Sichuan Katz Industrial Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan Katz Industrial Group Co Ltd filed Critical Sichuan Katz Industrial Group Co Ltd
Priority to CN201710645382.7A priority Critical patent/CN107598064B/en
Publication of CN107598064A publication Critical patent/CN107598064A/en
Application granted granted Critical
Publication of CN107598064B publication Critical patent/CN107598064B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The present invention relates to the metal forming techniques in materials processing technology field, and in particular to a kind of forging and forming technology with handle flanged ball valve valve body includes the following steps:Make mold, blanking, heating, base, sub-material, finish-forging forming.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;Left half module and right half module move toward one another close up after, 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, by left half module and right half contour forming, intermediate cavity is shaped by finish-forging lower punch for right flange, handle flange.In conjunction with base mould and finisher, intermediate cavity is directly forged, and is processed without subsequent mechanical;Using closed molds, non-trimming is generated;Material is saved, process is reduced, manufacturing cost is reduced, improves production efficiency.

Description

Forging and forming technology with handle flanged ball valve valve body
Technical field
The present invention relates to the metal forming techniques 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 technique
Band handle flanged ball valve valve body forging as shown in Figure 1, Figure 2, mainly by left flange a, right flange b, osculant Chamber c and handle flange d composition.Intermediate cavity c abuts left flange a, and handle flange d is located at the surface of intermediate cavity c.Due to passing The forging method of system cannot forge intermediate cavity c, be save the cost, and such valve body blank is substantially made using casting method It makes.
Band handle flanged ball valve valve body, if using traditional forging and molding, process flow is:Blanking → heating → system Base (sub-material) → upset right flange → blocking (preform) → finish-forging forming → trimming, totally 7 procedure.Its existing main problem It is:
(1) intermediate cavity cannot forge, and need to be machined to complete, and manufacturing cost is high;
(2) it is forged using open type, blank has overlap, needs trimming;
(3) waste of material is serious, and the intermediate cavity shaped by machining and the overlap cut away are at waste material;
Summary of the invention
The present invention improves in view of the above technical problems, provides a kind of forging and molding work with handle flanged ball valve valve body Skill, reduction process, non-trimming generation, part material utilization rate height, high production efficiency, manufacturing cost are low.
For this purpose, a kind of forging and forming technology with handle flanged ball valve valve body provided by the invention, includes the following steps:
The first step:Make mold, 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 mounting plate, intermediolateral column and conical lower portion, the intermediolateral column includes cylinder and the pillar that extends laterally in cylindrical outer wall, and cylinder It is flushed with the bottom surface of pillar;The inner cavity of the base lower cavity die is divided into type chamber top and type chamber lower part, type chamber top section It being matched with the bottom surface of intermediolateral column, the height on type chamber top is greater than the height of conical lower portion, and type chamber lower part is cylindrical hole, and cylinder, Conical lower portion, cylindrical hole coaxial arrangement, cylinder, cylindrical hole, conical lower portion, pillar cross-sectional area successively successively decrease;The backing plate Positioned at the intracavity bottom of base lower cavity die, ejector beam passes through lower cavity die from bottom to top and is against on backing plate;
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 from bottom to top and protrudes into the cavity that left half module and right half module surround, the finish-forging Upper male mould, finish-forging lower punch, die holder, left half module and right half module molding back wall at type chamber just and band handle flanged ball valve valve body Forging matching;
Second step:Blanking, by blanking dividers lattice;
Third step:Heating, will be put into heating furnace by bar good under specification, come out of the stove after being heated to initial forging temperature;
4th step:The bar come out of the stove is put into the base lower cavity die of base mould by base, and base upper male mould is recessed towards base Bar is pressed into blank shape until the bottom surface of intermediolateral column flushes realization molding with the inner cavity top surface of base lower cavity die by mould movement After shape, base upper male mould is moved upwards, and returns to initial position, and ejector beam moves upwards, and is pushed backing plate and is driven workpiece upward Workpiece is ejected lower cavity die, takes out workpiece, complete a working cycles by movement;
5th step:Sub-material will make the workpiece of base, be put into axis horizontal in two halves circle clamp, workpiece rotation makes work The material of part left-right parts is evenly distributed, can be full of entire type chamber convenient for material when finish-forging forming;
6th step:Finish-forging forming, the workpiece that sub-material is completed is put on the finish-forging lower punch of finisher, left half module and right half Mould moves toward one another close up after, while finish-forging upper male mould moves downward, finish-forging lower punch is moved 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, complete a job and follow Ring.
Beneficial effects of the present invention:In conjunction with base mould and finisher, intermediate cavity is directly forged, without subsequent mechanical plus Work;Using closed molds, non-trimming is generated;By taking Fig. 1 product as an example, use the cutting stock weight of traditional forging forming method for The cutting stock weight of 8.9Kg, this method are 6.01Kg, and in contrast, the material of this method saving is up to 32.4% compared with conventional method, And reduce process, manufacturing cost is reduced, production efficiency is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram with handle flanged ball valve valve body.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the state before the molding of base mould.
Fig. 4 is the state of Forming Workpiece after the molding of base mould.
Fig. 5 is the state before finisher molding.
Fig. 6 is the state after the left half module of finisher closes up with right half module.
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.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Band handle flanged ball valve valve body forging as shown in Figure 1, Figure 2, mainly by left flange a, right flange b, osculant Chamber c and handle flange d composition.Intermediate cavity c abuts left flange a, and handle flange d is located at the surface of intermediate cavity c, the forging Intermediate cavity needs completed in forging and molding.
As shown in figure 8, the forging and forming technology with handle flanged ball valve valve body, carries out as follows:
The first step:Make mold, including base mould and finisher.
In conjunction with shown in Fig. 3, Fig. 4, base mould is mainly by base upper male mould 1, base lower cavity die 2, ejector beam 3 and 4 groups of backing plate At.
Base upper male mould 1 includes mounting of roof plate plate 1a, intermediolateral column and conical lower portion 1c composition, three in one forming, top plate For mounting plate 1a for being connected with power section, 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 wall extends laterally, and cylinder 1b is flushed with the bottom surface of pillar 1d.The bottom surface of cylinder 1b and pillar 1d It is matched with the upper surface of preformed workpiece, preformed workpiece has the blank of handle flange.Conical lower portion 1c is used for preform work The intermediate cavity of part.
The inner cavity of base lower cavity die 2 is divided into type chamber top 2a and type chamber lower part 2b, the type chamber top section 2a and intermediolateral column Bottom surface matching, the workpiece of handle flange blank is had for preform.The height of type chamber top 2a is greater than the height of conical lower portion 1c Degree, type chamber lower part 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 successively decrease.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 on backing plate 4 across lower cavity die 2, base upper male mould 1 is moved towards base lower cavity die 2, until under the bottom surface and base of intermediolateral column The inner cavity top surface of cavity plate 2 flushes realization and molds, and after component shaping, base upper male mould 1 is moved upwards, and ejector beam 3 pushes backing plate 4 simultaneously It drives workpiece to move upwards, realizes 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, the whole bilateral symmetry of finisher.Finish-forging lower punch 6 is in the shape of a rod, passes through die holder 7 from bottom to top and protrudes into left half module 8 and right half In the cavity that mould 9 surrounds.Left half module 8 is moved toward one another with right half module 9 close up after, 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 right half module 9 mold back wall at type chamber just matched with the forging with handle flanged ball valve valve body.
Preferably, cushion block 10 is additionally provided at the top of the die holder 7 of finisher.
Second step:Blanking, by blanking dividers lattice.
Third step:Heating, will be put into heating furnace by bar good under specification, come out of the stove after being heated to initial forging temperature.
4th step:The bar come out of the stove is put into the base lower cavity die 2 of base mould by base, and base upper male mould 1 is towards under base Cavity plate 2 moves, until the bottom surface of intermediolateral column flushes realization molding with the inner cavity top surface of base lower cavity die 2, bar is pressed into base After expecting shape, base upper male mould 1 is moved upwards, and returns to initial position, and ejector beam 3 moves upwards, and pushes backing plate 4 and band is started building Part moves upwards, and workpiece is ejected lower cavity die, workpiece is taken out, completes a working cycles.
5th step:Sub-material will make the workpiece of base, be put into axis horizontal in two halves circle clamp, workpiece rotation makes work The material of part left-right parts is evenly distributed, can be full of entire type chamber convenient for material when finish-forging forming.Sub-material is also known as had a waistline, and is pinched Waist is the process often having in forging forming, and details are not described herein, 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 forming, 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 move toward one another the left half module closed up, after closing up, right half with right half module 9 Mould is locked.Later, while stamp forging hydraulic press master cylinder drives finish-forging upper male mould 5 to move downward, oil cylinder under stamp forging hydraulic press Drive finish-forging lower punch 6 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 shape, 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, which is characterized in that include the following steps:
The first step:Make mold, 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) is flushed with the bottom surface of pillar (1d);The base lower cavity die (2) Inner cavity is divided into type chamber top (2a) and type chamber lower part (2b), and the type chamber top section (2a) is matched with the bottom surface of intermediolateral column, type The height on chamber top (2a) is greater than the height of conical lower portion (1c), and type chamber lower part (2b) is cylindrical hole, and cylinder (1b), conical bottom Portion (1c), cylindrical hole coaxial arrangement, cylinder (1b), cylindrical hole, conical lower portion (1c), pillar (1d) cross-sectional area successively pass Subtract;The backing plate (4) is located at the intracavity bottom of base lower cavity die (2), and ejector beam (3) passes through lower cavity die (2) from bottom to top and is against 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), end The whole bilateral symmetry of forging die, the finish-forging lower punch (6) pass through die holder (7) from bottom to top and protrude into left half module (8) and right half module (9) 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) molding Back wall at type chamber just matched with the forging with handle flanged ball valve valve body;
Second step:Blanking, by blanking dividers lattice;
Third step:Heating, will be put into heating furnace by bar good under specification, come out of the stove after being heated to initial forging temperature;
4th step:The bar come out of the stove is put into the base lower cavity die (2) of base mould by base, and base upper male mould (1) is towards under base Cavity plate (2) movement suppresses bar until the bottom surface of intermediolateral column flushes realization molding with the inner cavity top surface of base lower cavity die (2) After blank shape, base upper male mould (1) is moved upwards, and returns to initial position, and ejector beam (3) moves upwards, and pushes backing plate (4) and workpiece is driven to move upwards, workpiece is ejected into lower cavity die, workpiece is taken out, completes a working cycles;
5th step:Sub-material will make the workpiece of base, be put into axis horizontal in two halves circle clamp, workpiece rotation, keep workpiece left The material of right half is evenly distributed, can be full of entire type chamber convenient for material when finish-forging forming;
6th step:Finish-forging forming, 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 Half module (9) moves toward one another close up after, while finish-forging upper male mould (5) moves downward, finish-forging lower punch (6) is moved 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) at Shape after component shaping, first returns to initial position by finish-forging upper male mould (5), finish-forging lower punch (6), then by left half module (8) simultaneously Initial position is returned to right half module (9), workpiece is finally taken out, completes a working cycles.
2. the forging and forming technology described in accordance with the claim 1 with handle flanged ball valve valve body, it is characterised in that:The finish-forging Cushion block (10) are additionally provided at the top of the die holder (7) of mould.
CN201710645382.7A 2017-07-31 2017-07-31 Forging and forming technology with handle flanged ball valve valve body Active CN107598064B (en)

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

Applications Claiming Priority (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

Publications (2)

Publication Number Publication Date
CN107598064A CN107598064A (en) 2018-01-19
CN107598064B true CN107598064B (en) 2018-11-16

Family

ID=61063807

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710645382.7A Active CN107598064B (en) 2017-07-31 2017-07-31 Forging and forming technology with handle flanged ball valve valve body

Country Status (1)

Country Link
CN (1) CN107598064B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001096334A (en) * 1999-09-27 2001-04-10 Honda Motor Co Ltd Die apparatus for sizing and processing
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
CN103264137A (en) * 2012-08-17 2013-08-28 大连大高阀门股份有限公司 Flange ball valve body forging technology
CN203044770U (en) * 2013-01-07 2013-07-10 苏州昆仑重型装备制造有限公司 Automatic cooling forging die
CN104259753B (en) * 2014-08-07 2017-05-10 钟颂国 Angle valve shell manufacturing process
CN205816685U (en) * 2016-07-20 2016-12-21 苏州昆仑重型装备制造有限公司 Valve body forging mold
CN106734841B (en) * 2016-12-20 2018-09-18 郑州机械研究所有限公司 A kind of multidirectional precision forming device of I-shaped stainless steel body of double flanges

Also Published As

Publication number Publication date
CN107598064A (en) 2018-01-19

Similar Documents

Publication Publication Date Title
CN101332476B (en) Precise extrusion molding method of thin wall long-pipe shaped parts bland and special mould
CN107598064B (en) Forging and forming technology with handle flanged ball valve valve body
CN104439027A (en) New forging process for yoke shaft of transmission shaft
CN102672096A (en) Precision die forging and shaping technical method for automobile steering knuckle rough type parts
CN207154643U (en) A kind of forging and molding module with handle flanged ball valve valve body forging
CN102699094B (en) Die used in extrusion moulding of high-precision complex copper alloy thrust bearing seat
CN105921671B (en) The backward extrusion method and mould of a kind of ladder hollow shaft like members
CN204209052U (en) Transmission shaft fork axle finish-forging die
CN206794638U (en) A kind of ring parts forging apparatus
CN205614005U (en) Duplex position forward finishing mould
CN104841834A (en) Cold extrusion forming die fixture and cold extrusion forming method for aluminum rear covers of cellphones
CN207154642U (en) Base mould with handle flanged ball valve valve body forging
CN207154644U (en) Finisher with handle flanged ball valve valve body forging
CN107671217A (en) A kind of flanged ball valve valve body forging forming method and its base mould of use
CN209935661U (en) Prevent that waste material from blockking up type five metals stamping die
CN107363205A (en) Forging and molding module with handle flanged ball valve valve body forging
CN100411770C (en) Generator magnetic pole precision forging method
CN101254517A (en) Silumin piston contour forging technique and mold
CN204276770U (en) Transmission shaft fork axle blanking mold
CN110170609B (en) Precision plastic forming process and mould for ball cage cover with flange
CN106694792A (en) Cold heading device and process for specially-shaped torsion rod
CN211888651U (en) Die for processing oil seal framework
CN210358773U (en) High-precision integrated die
CN211164936U (en) Heat preservation pouring material design mould
CN105921662A (en) Dual-station forward finishing die and finishing process

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant