CN108202210A - Machining process of U-shaped elastic hard-sealing ball valve seat - Google Patents
Machining process of U-shaped elastic hard-sealing ball valve seat Download PDFInfo
- Publication number
- CN108202210A CN108202210A CN201810022296.5A CN201810022296A CN108202210A CN 108202210 A CN108202210 A CN 108202210A CN 201810022296 A CN201810022296 A CN 201810022296A CN 108202210 A CN108202210 A CN 108202210A
- Authority
- CN
- China
- Prior art keywords
- deflector roll
- deflector
- shaped
- valve seat
- ball valve
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/061—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor knee-joint
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Abstract
The invention relates to a processing technology of a U-shaped elastic hard sealing ball valve seat, which comprises the following steps of firstly, forming a blank, namely processing and forming a flat metal plate into a spiral columnar blank through a U-shaped elastic hard sealing ball valve seat forming machine; cutting the spiral columnar blank into spiral rings; welding the two cut sections of the spiral ring by using a solder; step four, internal stress removing heat treatment, namely heating the semi-finished product of the U-shaped elastic hard seal ball valve seat to 960 ℃, preserving heat for 17 hours, and naturally cooling; step five, crystal enhancement heat treatment; then naturally cooling; and step six, polishing the sealing surface, and polishing the two outer side walls of the semi-finished product of the U-shaped elastic hard sealing ball valve seat through a polishing grinding wheel. By adopting the scheme, the processing technology for manufacturing the U-shaped elastic hard sealing ball valve seat of the U-shaped elastic hard sealing ball valve seat, which not only enables the installation structure to be simple, but also enables the service life of the whole ball valve to be long, is provided.
Description
Technical field
The present invention relates to ball valve sealing field, in particular to a kind of processing technologys of U-shaped elastic hard sealed ball valve valve seat.
Background technology
Ball valve is one of most common accessory in pipeline transmission field, and the spherical valve core of through-hole is provided in runner
And two pieces of valve seats in a ring, and two valve seats is made to be located at the both sides of spherical valve core respectively, therefore rotation spherical valve seat can be passed through
The position relationship of through-hole and valve seat is adjusted, so as to controlling the keying of runner.
Wherein valve seat is a kind of reliable and common seal means using hard sealing structure with spherical valve core.By metal material
Valve seat and spherical valve core directly offset, and using setting compressed spring between valve seat and valve body, by compressed spring by valve
Seat is resetted towards spherical valve core direction so that valve seat is closely realized with spherical valve core and sealed.
However aforesaid way with the following drawback that：First, using compressed spring as return unit, and during compressed spring
The working condition in compression is carved, since compressed spring service life itself is shorter, was being used after a certain period of time easily
Failure so that valve seat coordinates with spherical valve core depressurization, so that runner is revealed；Second, due to the fluid media (medium) of transport
In adulterate the larger solid impurity of some particles sometimes, therefore solid impurity has certain probability to enter pressure in transmission process
In contracting spring so that not only Compression and Expansion is inconvenient, and easily interacts with solid impurity for compressed spring so that compressed spring
It is destroyed.
To solve the above-mentioned problems, as shown in Fig. 2, devising one kind can be bonded with spherical valve core, but can simultaneously itself
Elastic force is provided, makes U-shaped elastic hard sealed ball valve valve seat of the valve seat squeezed tight between valve body and spherical valve core, including cyclization
The valve seat body 1 ' of shape setting, 1 ' periphery of valve seat body open up the U-type groove 11 ' there are one U-shaped profile radially inward, and
Inner circumferential is in be smoothly connected setting with axial left and right sides so that left and right sides take the shape of the letter U with inner circumferential, in addition, valve seat body 1 '
Welding position 12 ' is provided at circumferential one so that valve seat body 1 ' forms the closure ring body of a sealing.
Invention content
In view of the deficienciess of the prior art, first of the present invention is designed to provide a kind of U-shaped elastic hard sealing ball
The processing technology of valve base, the technical scheme comprises the following steps：
Flat metal plank is by step 1, blank forming by U-shaped elastic hard sealed ball valve valve seat forming machine machine-shaping
The consistent screw cylindrical blank of internal diameter, the screw cylindrical blank are formed by multistage spiral coil integrated spiral elongation moulding, spiral coil
Cross section be opening radially outward U-shaped；
The U-shaped elastic hard sealed ball valve valve seat forming machine includes rack, is provided in the rack along flat metal plates
The feed member of the length direction transmission flat metal plank of material, the first one-tenth U deflector roll that flat metal plank is squeezed out to U-type groove and
Cyclic deflector roll and the driving first that annular is bent to second into U deflector rolls, by flat metal plank are in the same direction into U deflector rolls and cyclization deflector roll
The rotating mechanism of rotation, the first one-tenth U deflector rolls are rotatably dispose in rack, and the first one-tenth U deflector rolls periphery ring-type be provided with it is U-shaped
The first U-shaped protrusion that the U-type groove shape size of elastic hard sealed ball valve valve seat is adapted, the second one-tenth U deflector rolls rotation are set
Be placed in rack, and the second one-tenth U deflector rolls periphery be recessed inwardly be provided be adapted with the first U-shaped lobe shape size it is U-shaped recessed
Concave portion, the cyclization deflector roll is rotatably dispose in rack, and cyclic deflector roll periphery outwardly protrudes and is provided with and the first U-shaped protrusion shape
The second identical U-shaped protrusion of shape size, the cyclization deflector roll, the first one-tenth U deflector roll and the second one-tenth U deflector roll are arranged in an axially parallel mode,
And the first one-tenth U deflector roll, cyclic deflector roll are symmetrically arranged in the second one-tenth U deflector rolls both sides so that three center is in isosceles three
Angular setting, the first U-shaped protrusion and the second U-shaped protrusion are extended partially into U-shaped recessed portion, the feed member setting
There is a guide rail that width, thickness are adapted with smooth steel plate, and the orbital direction of guide rail is perpendicular to the axial direction, simultaneously of the first one-tenth U deflector roll
With the first U-shaped tangent setting in protrusion periphery.
The multistage spiral coil of screw cylindrical blank is cut into the spiral coil that radian is 350-360 °, and will by step 2
Two of spiral coil cut section and are mutually aligned shaping；
Step 3 cuts section by two of spiral coil and is welded by solder, forms the U-shaped elastic hard sealing of generally circular ring shape
Ball seat semi-finished product；
Step 4, Re-stress heat treatment, specially：U-shaped elastic hard sealed ball valve valve seat semi-finished product are heated to 960 DEG C, are protected
Warm 17 hours, natural cooling；
Step 5, crystal enhancing heat treatment, specially：Will through step 4 treated U-shaped elastic hard sealed ball valve valve seat half into
Product are heated to 800 DEG C, keep the temperature 8 hours；It is then cooled to 700 DEG C, keep the temperature 8 hours；615 DEG C are subsequently cooled to, heat preservation 8 is small
When；Then natural cooling；
Step 6, sealing surface of polishing will pass through step 4 treated U-shaped two lateral wall of elastic hard sealed ball valve valve seat semi-finished product
By grinder buffing of polishing, make its surface smooth.
The present invention Innovation Mechanism be：The present invention overcomes need to set bullet between valve seat and valve body in traditional ball valve
Spring by valve seat towards spherical valve core sealed extruded, and the spring service life brought is short, spring easily be destroyed cause valve leaks
The shortcomings that, U-shaped elastic hard sealed ball valve valve seat is processed into using by flat metal plank, referring specifically to shown in Fig. 3, this ball valve
Valve seat carrys out sealed extruded in spherical valve core without spring and valve seat cooperation, using itself elasticity and U-type groove is coordinated to cause valve seat
It can closely be extruded between valve body 2 ' and spherical valve core 3 ', so as to not only make mounting structure simple, and U-shaped elasticity is hard close
The service life of blocking valve base 1 ' is far above spring so that integrated ball valve service life is long, and U-shaped elastic hard sealed ball valve valve
1 ' self-strength of seat is far above spring so that U-shaped elastic hard sealed ball valve valve seat 1 ' is not easy to be destroyed, and equally increases using the longevity
Life.
By this setting, U-shaped elastic hard sealed ball valve valve seat is sent by feed member using by flat metal plank first
In forming machine so that length is believed that alongst orderly biography behind the adjusted position of flat metal plank of endless
It is defeated, and enter first into U deflector rolls at delivery sheet orbital direction and the first one-tenth U deflector rolls periphery tangency location, it is transferred through later
First into U deflector rolls and the second one-tenth U deflector roll delivery position when, acted on by the first U-shaped protrusion with U-shaped recessed portion so that flat
Whole steel plate width direction both sides are close to each other and are bent the shape that takes the shape of the letter U, and are forming U-type groove towards second into U deflector rolls side；Later, U
The steel plate of shape passes under the extruding of cyclic deflector roll, the first one-tenth U deflector roll and the second one-tenth U deflector roll along the second one-tenth U deflector rolls periphery
It is defeated and annular in shape under extruding force, it later can be axial towards separate along the second one-tenth U deflector roll by the way that the cyclic annular steel plate of U-type groove will be carried
One determining deviation of rack direction dislocation so that spiral screw cylindrical blank after flat metal plank is processed, and borded pile
Shape blank is constantly laid out from rack, and screw cylindrical blank periphery is recessed inwardly U-type groove；In screw cylindrical blank forming
After completion, screw cylindrical blank is cut into spiral coil of the radian at 350-360 °, is lacked so as to form tool there are one smaller
Mouthful spiral coil, and pass through external force and the notches of both sides be aligned setting, when entire spiral coil stablize setting；Pass through solder later
Notch is filled so that spiral coil forms the U-shaped elastic hard sealed ball valve valve seat in closed hoop, and subsequently through Re-stress
The processing technology of heat treatment, crystal enhancing heat treatment and polishing sealing surface to form U-shaped elastic hard sealed ball valve valve seat, and should
The valve seat not only internal stability under loading after being heat-treated by Re-stress, and make internal structure strong by crystal enhancing heat treatment
Degree is higher and so that sealing effect is more preferable by polishing sealing surface.
The present invention is further arranged to：The step 3 is：The trade mark is used to be welded for GH4169 solders.
By using above-mentioned technical proposal, have in -253~650 DEG C of temperature ranges using GH4169 alloys good
Comprehensive performance, less than 650 DEG C of yield strength occupy the first place of wrought superalloy, and have good antifatigue, radioresistance, resist
Oxidation, corrosion resistance and good processing performance, welding performance are good so that weld the U-shaped elastic hard sealing ball of formation
Valve base more stablizes and intensity higher so that service life increases.
The present invention is further arranged to：The second one-tenth U deflector roll for being provided with adjustment second into U deflector rolls position in the rack moves
Motivation structure, the second one-tenth U deflector rolls mobile mechanism include deflector roll moving track and deflector roll movable block, the first one-tenth U deflector rolls with
Cyclic deflector roll is symmetrically disposed on deflector roll moving track both sides, and the deflector roll movable block sliding is set to deflector roll moving track, and institute
It states the second one-tenth U deflector roll and is rotatably dispose in deflector roll movable block.
By using above-mentioned technical proposal, the setting of the second one-tenth U deflector rolls mobile mechanism so that the second one-tenth U deflector roll can be along
Deflector roll moving track is moved, and so as to adjust the second one-tenth U deflector roll and the position relationship of the first one-tenth U deflector roll, it is U-shaped convex to change first
Go out the depth coordinated between portion and U-shaped recessed portion so that the groove depth and groove width of the U-type groove formed change, production it is wide
General property is improved；In addition to this, the setting of the second one-tenth U deflector rolls mobile mechanism also has adjusted the second one-tenth U deflector roll and cyclic deflector roll
Between position relationship so that the radius of cyclic annular steel plate formed changes, so as to can be made into U-shaped elasticity of different sizes
Hard seal ball valve seat is improved the popularity of production.
The present invention is further arranged to：The rotating mechanism includes motor and deceleration mechanism, and the deceleration mechanism includes big
Belt wheel, small pulley and conveyer belt, the shaft of the motor is rotated synchronously with small pulley to be set, and the big belt wheel passes through with small pulley
Band connection setting is transmitted, the first one-tenth U deflector rolls and cyclic deflector roll engage connection with big belt wheel by gear respectively.
By using above-mentioned technical proposal, the setting driving first of rotating mechanism is rotated into U deflector rolls and cyclic deflector roll, therefore
So that integral device is in running order, wherein rotating mechanism is driven by motor, and coordinates deceleration mechanism by high-speed rotation
Coordinate after decelerating through motor with the first one-tenth U deflector roll and cyclic deflector roll, so that the first one-tenth U deflector roll and cyclic deflector roll are with appropriate
Speed carries out rotation processing.
Second object of the present invention is to provide a kind of U-shaped elastic hard sealed ball valve valve seat forming machine for processing spiral
Column blank including rack, is provided in the rack along the length direction transmission flat metal plank of flat metal plank
Flat metal plank is bent by feed member, the first one-tenth U deflector roll that flat metal plank is squeezed out to U-type groove and the second one-tenth U deflector roll
The rotating mechanism that the cyclic deflector roll and driving first circularized rotates in same direction into U deflector rolls with cyclic deflector roll, the first one-tenth U deflector rolls
Rack is rotatably dispose in, and the first one-tenth U deflector rolls periphery ring-type is provided with the U-type groove shape with U-shaped elastic hard sealed ball valve valve seat
The first U-shaped protrusion that size is adapted, the second one-tenth U deflector rolls are rotatably dispose in rack, and the second one-tenth U deflector rolls periphery is inside
Recess is provided with the U-shaped recessed portion being adapted with the first U-shaped lobe shape size, and the cyclization deflector roll is rotatably dispose in machine
Frame, and cyclic deflector roll periphery outwardly protrudes and is provided with the second U-shaped protrusion identical with the first U-shaped lobe shape size, institute
It states cyclic deflector roll, the first one-tenth U deflector roll and the second one-tenth U deflector roll to be arranged in an axially parallel mode, and the first one-tenth U deflector roll, cyclic deflector roll are right respectively
Title be set to the second one-tenth U deflector rolls both sides so that three center in isosceles triangle setting, the first U-shaped protrusion and
Second U-shaped protrusion is extended partially into U-shaped recessed portion, and the feed member is provided with width, thickness is adapted with smooth steel plate
Guide rail, and the orbital direction of guide rail perpendicular to the first one-tenth U deflector roll axial direction and with the first U-shaped tangent setting in protrusion periphery.
By using the setting of above-mentioned technical proposal, first feed member so that length is believed that the smooth gold for endless
Alongst orderly transmission behind the adjusted position of category plank, and in delivery sheet orbital direction and the first one-tenth U deflector rolls periphery
Tangency location goes out into first into U deflector rolls, when being transferred through the first one-tenth U deflector roll and the second one-tenth U deflector roll delivery position later, by
The effect of first U-shaped protrusion and U-shaped recessed portion so that flat metal plank width direction both sides, which inwardly curve inwardly, to take the shape of the letter U
Shape, and forming U-type groove towards second into U deflector rolls side, later, the steel plate of U-shape is in cyclic deflector roll, the first one-tenth U deflector roll and the
Two, under the extruding of U deflector rolls, transmit, and form ring-type along the second one-tenth U deflector rolls periphery, later can be by that will carry U-type groove
Cyclic annular steel plate misplaces a determining deviation along the second one-tenth U deflector roll are axial towards far from rack direction so that steel plate in the shape of a spiral constantly from
Lay out to form spiral coil in rack, and the spiral coil periphery is recessed inwardly U-type groove, thus the spiral coil processed for subsequently after
It is continuous to be processed into U-shaped elastic hard sealed ball valve valve seat.
The present invention is further arranged to：The second one-tenth U deflector roll for being provided with adjustment second into U deflector rolls position in the rack moves
Motivation structure, the second one-tenth U deflector rolls mobile mechanism include deflector roll moving track and deflector roll movable block, the first one-tenth U deflector rolls with
Cyclic deflector roll is symmetrically disposed on deflector roll moving track both sides, and the deflector roll movable block sliding is set to deflector roll moving track, and institute
It states the second one-tenth U deflector roll and is rotatably dispose in deflector roll movable block.
By using above-mentioned technical proposal, the setting of the second one-tenth U deflector rolls mobile mechanism so that the second one-tenth U deflector roll can be along
Deflector roll moving track is moved, and so as to adjust the second one-tenth U deflector roll and the position relationship of the first one-tenth U deflector roll, it is U-shaped convex to change first
Go out the depth coordinated between portion and U-shaped recessed portion so that the groove depth and groove width of the U-type groove formed change, production it is wide
General property is improved；In addition to this, the setting of the second one-tenth U deflector rolls mobile mechanism also has adjusted the second one-tenth U deflector roll and cyclic deflector roll
Between position relationship so that the radius of cyclic annular steel plate formed changes, so as to can be made into U-shaped elasticity of different sizes
Hard seal ball valve seat is improved the popularity of production.
The present invention is further arranged to：The rotating mechanism includes motor and deceleration mechanism, and the deceleration mechanism includes big
Belt wheel, small pulley and conveyer belt, the shaft of the motor is rotated synchronously with small pulley to be set, and the big belt wheel passes through with small pulley
Band connection setting is transmitted, the first one-tenth U deflector rolls and cyclic deflector roll engage connection with big belt wheel by gear respectively.
By using above-mentioned technical proposal, the setting driving first of rotating mechanism is rotated into U deflector rolls and cyclic deflector roll, therefore
So that integral device is in running order, wherein rotating mechanism is driven by motor, and coordinates deceleration mechanism by high-speed rotation
Coordinate after decelerating through motor with the first one-tenth U deflector roll and cyclic deflector roll, so that the first one-tenth U deflector roll and cyclic deflector roll are with appropriate
Speed carries out rotation processing.
The invention will be further described with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the installation diagram of the specific embodiment of the invention；
Fig. 2 is the part drawing of U-shaped elastic hard sealed ball valve valve seat in the present invention；
Fig. 3 is U-shaped elastic hard sealed ball valve valve seat applications in the present invention in the installation diagram of ball valve；
Fig. 4 is the installation diagram of the specific embodiment of the invention；
Fig. 5 is deceleration mechanism and the first one-tenth U deflector roll and the installation diagram of cyclic deflector roll in the specific embodiment of the invention；
Fig. 6 is the installation diagram of the second one-tenth U deflector rolls mobile mechanism in the specific embodiment of the invention；
Fig. 7 is from flat metal plank to the flow chart of U-shaped elastic hard sealed ball valve valve seat in the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
Embodiment 1：
As Figure 1 and Figure 4, the present embodiment 1 discloses a kind of special U-shaped elastic hard sealed ball valve valve seat forming machine, including being in
The rack 1 of cuboid, 1 lower end of rack is provided with the foot stool 2 being used to support, and rack 1 is placed on 2 upper end of foot stool, and passes through weldering
Connect or block with etc. modes be fixedly connected, motor 31 has wherein been bolted to connection on foot stool 2 and has been welded with to open
The switch enclosure 32 of motor 31 is closed, in addition, the shaft of motor 31 is towards rear end, and is fixedly connected with one in shaft by way of bolt
A small pulley 331,331 periphery of small pulley offers the first belt grooves annular in shape, and the quantity of the second belt grooves is two, and
It is arranged in order along the axial direction of small pulley 331, in addition, small pulley 331 is corresponded on 1 rear end of rack is provided with big belt wheel 332, and big
Belt wheel 332 is axial to be arranged in an axially parallel mode with small pulley 331, in addition, the first belt grooves that big belt wheel 332 corresponds to small pulley 331 are set
Put the transmission that the second belt grooves, big belt wheel 332 and small pulley 331 are set to by two in the first belt grooves and the second belt grooves
The rotation connection setting of band 333, wherein, small pulley 331, big belt wheel 332 and conveyor collectively form deceleration mechanism 33, deceleration mechanism
33 and motor 31 collectively form rotating mechanism 3.
In addition, 1 front end of rack in the present embodiment is provided with that smooth steel plate is sent into the feed member 4 of processing, is incited somebody to action
Smooth steel plate squeezes out the first one-tenth U deflector roll 5 of U-type groove and the second one-tenth U deflector roll 6 and the cyclic deflector roll by smooth steel plate bending cyclization
7, wherein feed member 4 is set on the right side of 1 front end of rack, and feed member 4 includes welding or being bolted in rack 1
Installing plate 41, installing plate 41 are symmetrically arranged with two pieces of delivery sheets 42, two pieces of delivery sheets 42 close to 1 side of rack and far from 1 side of rack
Opposite sides are respectively arranged with the limiting slot 421 that opening is directed towards, and wherein limiting slot 421 is U-shaped, and between two limiting slots 421
Distance and the sum of two groove depths be slightly larger than the width size of smooth steel plate, the groove width of each limiting slot 421 is slightly larger than smooth steel plate
Thickness size so that the guide rail 422 for transporting smooth steel plate along smooth steel plate length direction is formed between two limiting slots 421,
Other the first one-tenth U deflector rolls 5 are set to rack 1 by ball bearing rotational, and the first one-tenth 5 periphery ring-type of U deflector rolls is protruded outward and set
It is equipped with the first U-shaped protrusion 51 being adapted with the U-type groove shape size of U-shaped elastic hard sealing valve seat, the second one-tenth 6 turns of U deflector roll
It is dynamic to be set to rack 1, and the second one-tenth 6 periphery of U deflector rolls is recessed inwardly to be provided with and is adapted with the first U-shaped 51 shape size of protrusion
U-shaped recessed portion 61, cyclic deflector roll 7 is set to rack 1 by ball bearing rotational, and cyclic 7 periphery of deflector roll outwardly protrudes and sets
The second U-shaped protrusion 71 identical with the first U-shaped 51 shape size of protrusion is equipped with, wherein cyclic deflector roll 7, the first one-tenth U deflector roll 5
And the second one-tenth U deflector roll 6 is arranged in an axially parallel mode, and the first one-tenth U deflector roll 5, cyclic deflector roll 7 are symmetrically arranged in the second one-tenth U deflector roll 6
Lower-left and bottom right both sides so that three center is set in isosceles triangle, in addition, the first U-shaped protrusion 51 and second is U-shaped
Protrusion 71 is extended partially into U-shaped recessed portion 61, and the orbital direction of last guide rail 422 is perpendicular to the axis of the first one-tenth U deflector roll 5
To and with the first tangent setting in U-shaped 51 periphery of protrusion.
It is led in addition, 1 front end of rack in the present embodiment is additionally provided with for adjusting second the second one-tenth U into 6 position of U deflector rolls
Roller mobile mechanism 8, wherein the second one-tenth U deflector rolls mobile mechanism 8 include deflector roll moving track 81, deflector roll movable block 82, screw rod 83 and
Screw rod swing handle 84, deflector roll moving track 81 includes two pieces of track plates 811 being symmetrical set, and track plates 811 are opposite
Side is set from close to 1 side of rack towards far from 1 side of rack in necking so that forms trapezoidal deflector roll moving track 81, deflector roll moves
82 relative orbit plate of motion block, 811 both sides are set from close to 1 side of rack towards far from 1 side of rack in flaring, so as to which card is assigned in track plates
Between 811, and it can be slid along the orbital direction of deflector roll moving track 81 and be set to deflector roll moving track 81, finally, the second one-tenth U is led
Roller 6 is set to deflector roll movable block 82 by ball bearing rotational, and the first one-tenth U deflector roll 5 is symmetrically disposed on deflector roll with cyclic deflector roll 7
81 both sides of moving track in addition as shown in fig. 6, screw rod swing handle 84 is in the form of annular discs, and are fixed at 83 upper end of screw rod, machine
The mounting blocks 11 for installing screw rod 83 are provided on frame 1,11 parallel 81 direction of deflector roll moving track of mounting blocks offers and spiral shell
The identical circular through hole 111 of 83 radius of bar, the rotation of screw rod 83 are inserted in circular through hole 111, and screw rod 83 is located at mounting blocks 11
Upper and lower ends be provided with and be fixedly installed two pieces of positioning plates 831, positioning plate 831 can be connected to by welding or being screwed
Screw rod 83, in addition, 83 bottom end of screw rod is threadedly coupled with deflector roll movable block 82.Therefore, can be made by rotating screw rod swing handle 84
The deflector roll movable block 82 that must be threadedly coupled moves up and down, and realizes and the position of the second one-tenth U deflector roll 6 is adjusted.
As shown in figure 5, the first one-tenth U deflector roll 5 and cyclic deflector roll 7 in the present embodiment axially coaxially extend back along itself and set
The first extension rod 52 and the second extension rod 72 are equipped with, big belt wheel 332 has third extension along itself axial coaxial preceding is extended
Bar 3321, the first extension rod 52, the second extension rod 72 and 3321 periphery of third extension rod are respectively arranged with gear 9, and first prolongs
The gear 9 on 9 and second extension rod 72 of gear on boom 52 is engaged in the gear 9 or so two on third extension rod 3321 respectively
Side so that big belt wheel 332 and the first one-tenth U deflector roll 5 rotate in same direction with cyclic deflector roll 7 and connect, wherein the first extension rod 52, second prolonging
The mode that bolt can be used in boom 72 and third extension rod 3321 is fixedly connected with the part respectively connecting.
Embodiment 2：Processing technology embodiment
As shown in fig. 7, the present embodiment includes the following steps：
Step 1：Blank forming, by flat metal plank 4 ' by U-shaped elastic hard sealed ball valve valve seat described in embodiment 1 into
The type machining molding screw cylindrical blank 5 ' consistent for internal diameter, the screw cylindrical blank 5 ' is by the integrated spiral shell of multistage spiral coil 6 '
Rotation elongation moulding forms, and the cross section of spiral coil 6 ' be radially outward U-shaped of being open；Preferred flat metal in the present embodiment
Plank 4 ' is preferably the stainless steel material of elasticity, such as USU301,304；
Step 2：The multistage spiral coil 6 ' of screw cylindrical blank 5 ' is cut into the spiral coil 6 ' that radian is 350-360 °, and
Section, which is cut, by two of spiral coil 6 ' is mutually aligned shaping；Preferred angle can be 359 ° wherein in the present embodiment so that no
But the solder dosage that convenient welding and reduction are subsequently welded；
Step 3：Section is cut by two of spiral coil 6 ' to weld by solder, the U-shaped elasticity for forming generally circular ring shape is hard close
Blocking valve base semi-finished product 7 '；It is preferred that the trade mark is used to be welded for GH4169 solders；
Step 4：Re-stress is heat-treated, specially：U-shaped elastic hard sealed ball valve valve seat semi-finished product 7 ' are heated to 960 DEG C,
17 hours are kept the temperature, natural cooling；
Step 5, crystal enhancing heat treatment, specially：Will through step 4 treated U-shaped elastic hard sealed ball valve valve seat half into
Product 7 ' are heated to 800 DEG C, keep the temperature 8 hours；It is then cooled to 700 DEG C, keep the temperature 8 hours；615 DEG C are subsequently cooled to, heat preservation 8
Hour；Then natural cooling；
Step 6, sealing surface of polishing will pass through step 4 treated 7 ' two outside of U-shaped elastic hard sealed ball valve valve seat semi-finished product
Wall makes its surface smooth, and finally into U-shaped elastic hard sealed ball valve valve seat 1 ' by grinder buffing of polishing.It is wherein preferred, this
Polishing grinding wheel in embodiment can select the grinding wheel of the relatively low 180# of mesh number to carry out roughing, and then reselection mesh number is big
The grinding wheel of 400# is finished so that final U-shaped elastic hard sealed ball valve valve base surface roughness is low, makes surface smooth.
Claims (7)
1. a kind of processing technology of U-shaped elastic hard sealed ball valve valve seat, it is characterised in that include the following steps：
Flat metal plank is by step 1, blank forming by U-shaped elastic hard sealed ball valve valve seat forming machine machine-shaping
The consistent screw cylindrical blank of internal diameter, the screw cylindrical blank are formed by multistage spiral coil integrated spiral elongation moulding, spiral coil
Cross section be opening radially outward U-shaped；
The U-shaped elastic hard sealed ball valve valve seat forming machine includes rack, is provided in the rack along flat metal plates
The feed member of the length direction transmission flat metal plank of material, the first one-tenth U deflector roll that flat metal plank is squeezed out to U-type groove and
Cyclic deflector roll and the driving first that annular is bent to second into U deflector rolls, by flat metal plank are in the same direction into U deflector rolls and cyclization deflector roll
The rotating mechanism of rotation, the first one-tenth U deflector rolls are rotatably dispose in rack, and the first one-tenth U deflector rolls periphery ring-type be provided with it is U-shaped
The first U-shaped protrusion that the U-type groove shape size of elastic hard sealed ball valve valve seat is adapted, the second one-tenth U deflector rolls rotation are set
Be placed in rack, and the second one-tenth U deflector rolls periphery be recessed inwardly be provided be adapted with the first U-shaped lobe shape size it is U-shaped recessed
Concave portion, the cyclization deflector roll is rotatably dispose in rack, and cyclic deflector roll periphery outwardly protrudes and is provided with and the first U-shaped protrusion shape
The second identical U-shaped protrusion of shape size, the cyclization deflector roll, the first one-tenth U deflector roll and the second one-tenth U deflector roll are arranged in an axially parallel mode,
And the first one-tenth U deflector roll, cyclic deflector roll are symmetrically arranged in the second one-tenth U deflector rolls both sides so that three center is in isosceles three
Angular setting, the first U-shaped protrusion and the second U-shaped protrusion are extended partially into U-shaped recessed portion, the feed member setting
There is a guide rail that width, thickness are adapted with smooth steel plate, and the orbital direction of guide rail is perpendicular to the axial direction, simultaneously of the first one-tenth U deflector roll
With the first U-shaped tangent setting in protrusion periphery；
Step 2, it is 350-360 ° of spiral coil that the multistage spiral coil of screw cylindrical blank is cut into radian, and by spiral
Two of circle cut section and are mutually aligned shaping；
Step 3 cuts section by two of spiral coil and is welded by solder, forms the U-shaped elastic hard sealing of generally circular ring shape
Ball seat semi-finished product；
Step 4, Re-stress heat treatment, specially：U-shaped elastic hard sealed ball valve valve seat semi-finished product are heated to 960 DEG C, are protected
Warm 17 hours, natural cooling；
Step 5, crystal enhancing heat treatment, specially：Will through step 4 treated U-shaped elastic hard sealed ball valve valve seat half into
Product are heated to 800 DEG C, keep the temperature 8 hours；It is then cooled to 700 DEG C, keep the temperature 8 hours；615 DEG C are subsequently cooled to, heat preservation 8 is small
When；Then natural cooling；
Step 6, sealing surface of polishing will pass through step 4 treated U-shaped two lateral wall of elastic hard sealed ball valve valve seat semi-finished product
By grinder buffing of polishing, make its surface smooth.
2. a kind of processing technology of U-shaped elastic hard sealed ball valve valve seat according to claim 1, it is characterised in that：It is described
The step of three be：The trade mark is used to be welded for GH4169 solders.
3. a kind of processing technology of U-shaped elastic hard sealed ball valve valve seat according to claim 1, it is characterised in that：It is described
Adjustment second is provided in rack into the second one-tenth U deflector rolls mobile mechanism of U deflector rolls position, the second one-tenth U deflector rolls mobile mechanism
Including deflector roll moving track and deflector roll movable block, the first one-tenth U deflector rolls are symmetrically disposed on deflector roll moving track with cyclic deflector roll
Both sides, the deflector roll movable block sliding is set to deflector roll moving track, and the second one-tenth U deflector rolls are rotatably dispose in deflector roll movement
Block.
4. a kind of processing technology of U-shaped elastic hard sealed ball valve valve seat according to claim 1, it is characterised in that：It is described
Rotating mechanism includes motor and deceleration mechanism, and the deceleration mechanism includes big belt wheel, small pulley and conveyer belt, and the motor turns
Axis and small pulley, which rotate synchronously, to be set, and the big belt wheel is set with small pulley by transmitting band connection, the first one-tenth U deflector rolls and
Cyclic deflector roll engages connection with big belt wheel by gear respectively.
5. a kind of special U-shaped elastic hard sealed ball valve valve seat forming machine, it is characterised in that：Including rack, set in the rack
Be equipped with the feed member along the length direction transmission flat metal plank of flat metal plank, flat metal plank squeezed out it is U-shaped
The first one-tenth U deflector roll and the second one-tenth U deflector roll of slot, by the cyclic deflector roll of smooth steel plate bending cyclization and driving first into U deflector rolls with
The rotating mechanism that cyclic deflector roll rotates in same direction, the first one-tenth U deflector rolls are rotatably dispose in rack, and the first one-tenth U deflector roll peripheral ring
Shape is provided with the first U-shaped protrusion being adapted with the U-type groove shape size of U-shaped elastic hard sealed ball valve valve seat, and described second
Rack is rotatably dispose in, and the second one-tenth U deflector rolls periphery is recessed inwardly and is provided with and the first U-shaped lobe shape size into U deflector rolls
The U-shaped recessed portion being adapted, the cyclization deflector roll are rotatably dispose in rack, and cyclic deflector roll periphery outwardly protrudes and is provided with and the
The second identical U-shaped protrusion of one U-shaped lobe shape size, the cyclization deflector roll, the first one-tenth U deflector roll and the second one-tenth U deflector roll
It is arranged in an axially parallel mode, and the first one-tenth U deflector roll, cyclic deflector roll are symmetrically arranged in the second one-tenth U deflector rolls both sides so that three center
Position is set in isosceles triangle, and the first U-shaped protrusion and the second U-shaped protrusion are extended partially into U-shaped recessed portion, institute
The guide rail that feed member is provided with width, thickness is adapted with smooth steel plate is stated, and the orbital direction of guide rail is led perpendicular to the first one-tenth U
The axial direction of roller and with the first U-shaped tangent setting in protrusion periphery.
6. the special U-shaped elastic hard sealed ball valve valve seat forming machine of one kind according to claim 5, it is characterised in that：Institute
State the second one-tenth U deflector rolls mobile mechanism that adjustment second is provided in rack into U deflector rolls position, the second one-tenth U deflector roll moving machines
Structure includes deflector roll moving track and deflector roll movable block, and the first one-tenth U deflector rolls are symmetrically disposed on deflector roll moving rail with cyclic deflector roll
Road both sides, the deflector roll movable block sliding is set to deflector roll moving track, and the second one-tenth U deflector rolls are rotatably dispose in deflector roll shifting
Motion block.
7. the special U-shaped elastic hard sealed ball valve valve seat forming machine of one kind according to claim 5, it is characterised in that：Institute
It states rotating mechanism and includes motor and deceleration mechanism, the deceleration mechanism includes big belt wheel, small pulley and conveyer belt, the motor
Shaft is rotated synchronously with small pulley and is set, and the big belt wheel is set with small pulley by transmitting band connection, the first one-tenth U deflector rolls
And cyclic deflector roll engages connection with big belt wheel by gear respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810022296.5A CN108202210B (en) | 2018-01-10 | 2018-01-10 | Machining process and forming machine for U-shaped elastic hard-sealing ball valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810022296.5A CN108202210B (en) | 2018-01-10 | 2018-01-10 | Machining process and forming machine for U-shaped elastic hard-sealing ball valve seat |
Publications (2)
| Publication Number | Publication Date |
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| CN108202210A true CN108202210A (en) | 2018-06-26 |
| CN108202210B CN108202210B (en) | 2019-11-15 |
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| CN201810022296.5A Active CN108202210B (en) | 2018-01-10 | 2018-01-10 | Machining process and forming machine for U-shaped elastic hard-sealing ball valve seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907631A (en) * | 2018-08-23 | 2018-11-30 | 江苏华太电力仪表有限公司 | A kind of preparation process of high temperature resistant leakage-free ball valve spool |
| CN115156920A (en) * | 2022-08-16 | 2022-10-11 | 中国航发长江动力有限公司 | Sealing ring forming equipment and forming method |
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| CN101508073A (en) * | 2009-03-30 | 2009-08-19 | 任海滔 | Ring gear or flange processing method |
| CN201573336U (en) * | 2009-12-30 | 2010-09-08 | 上海清远管业科技有限公司 | Notching device |
| WO2015097296A1 (en) * | 2013-12-24 | 2015-07-02 | Robert Bosch Gmbh | Method for manufacturing a carrier ring suitable for use in a drive belt for a continuously variable transmission |
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| CN1887510A (en) * | 2006-07-13 | 2007-01-03 | 重庆海通机械制造有限公司 | Process of making annulus with bar steel |
| CN101508073A (en) * | 2009-03-30 | 2009-08-19 | 任海滔 | Ring gear or flange processing method |
| CN201573336U (en) * | 2009-12-30 | 2010-09-08 | 上海清远管业科技有限公司 | Notching device |
| WO2015097296A1 (en) * | 2013-12-24 | 2015-07-02 | Robert Bosch Gmbh | Method for manufacturing a carrier ring suitable for use in a drive belt for a continuously variable transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108907631A (en) * | 2018-08-23 | 2018-11-30 | 江苏华太电力仪表有限公司 | A kind of preparation process of high temperature resistant leakage-free ball valve spool |
| CN115156920A (en) * | 2022-08-16 | 2022-10-11 | 中国航发长江动力有限公司 | Sealing ring forming equipment and forming method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108202210B (en) | 2019-11-15 |
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Address after: 325100 Sanqiao Industrial Zone, Oubei street, Yongjia County, Wenzhou City, Zhejiang Province (in Yongjia Haike Valve Co., Ltd.) Patentee after: Zhejiang Sanhe spring Co.,Ltd. Address before: 325100 Linpu North Road, Oubei Heyi Industrial Zone, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: YONGJIA SANHE SPRING Co.,Ltd. |
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