CN103753038A - Welding process and application device of corrugated pipe assembly - Google Patents
Welding process and application device of corrugated pipe assembly Download PDFInfo
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- CN103753038A CN103753038A CN201310728481.3A CN201310728481A CN103753038A CN 103753038 A CN103753038 A CN 103753038A CN 201310728481 A CN201310728481 A CN 201310728481A CN 103753038 A CN103753038 A CN 103753038A
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- ring
- welding
- wave plate
- bellows
- recessed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
- B23K31/027—Making tubes with soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Diaphragms And Bellows (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention discloses a welding process and an application device of a corrugated pipe assembly. The welding process includes steps that a, primary and secondary pieces are formed by welding; b, a corrugated pipe core is formed by welding; c, a corrugated pipe is formed by welding; d, the corrugated pipe assembly is formed by welding; a sealing performance test is performed. A corrugated pipe sealing device is characterized by comprising the corrugated pipe assembly, a casing, a stationary ring and a moving ring, wherein the left end of the casing is embedded into a groove face, the stationary ring is arranged in a step surface, the moving ring is attached to the end face of the stationary ring, and a contact face forms a sealing end face. The welding process and the application device of the corrugated pipe assembly have the advantages that the welding efficiency is high, the accuracy is good, the elastic compensation is stable, and the service life is long.
Description
Technical field
The present invention relates to mechanically-sealing apparatus, refer in particular to a kind of welding procedure and application apparatus thereof of bellows component.
Background technology
Welded metal-bellows mechanical seal is widely used in various centrifugal pumps, even, the natural balanced type of its elastic force, the characteristic such as easy for installation, the temperature scope of application is wide and enjoy great popularity.Welded metal-bellows mechanical seal version and welding manner are various, and welding manner mainly divides inner circle welding and cylindrical welding; In actual use, having the weakest link of following problem: a, bellows is the welding of two ends and matrix, and easy rosin joint, weld strength are inadequate; After b, bellows-welding, need heat treatment and Stable Length, be generally two ends are fixed, stretch and claim again " soft " with pressing also bellows component, but when pressing also, wave plate and two ends metalwork extrusion and collision, easily make the expendable distortion of two ends wave plate waveform generation or damage, affect inner circle soldered ball intensity, be more unfavorable for the elastic thread sexual intercourse of bellows; The welding precision of c, bellows requires high, therefore in actual production often in order to guarantee precision, welding efficiency is low, and when particularly cylindrical welds, the mode of employing is that single wave soldering connects, after welding a ripple, take frock apart, move back a wave soldering again and connect, the concentricity of this kind of welding manner ripple core is difficult to guarantee, welds mushroom poor radiation during welding, weld strength is low, and particularly welding efficiency is low; On d, bellows component, stationary ring or rotating ring can be set, its position can be arranged on atmospheric side or side medium, outside the tube core of existing bellows component is all directly exposed to, lack safeguard measure, the dust of atmospheric side or the impurity of side medium easily enter between the wave plate of ripple tube core, make the elastic failure of bellows, affect the stability of seal face; When e, rotating ring rotate with axle, because rotating ring contacts with stationary ring, can cause beating and resonating of stationary ring, therefore elasticity of demand compensating part provides elastic compensating, and bellows component is state-of-the-art elastic compensating assembly, and existing bellows in actual applications, beating and resonating along with stationary ring, easily radial motion, lacks a kind of structure that limits its radial motion, therefore elastic compensating weak effect.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, provides a kind of welding efficiency high, and precision is good, and elastic compensating is stable, the welding procedure of the bellows component of long service life and application apparatus thereof.
The technical scheme that the present invention takes is as follows, a kind of welding procedure of bellows component, its step comprises: a, welding form primary and secondary sheet: wave plate lug and recessed of wave plate are inserted in rotating shaft in upper order at lower wave plate lug according to recessed of wave plate, rotating shaft, so that the inner ring that welding mechanism welding wave plate lug and wave plate are recessed, forms primary and secondary sheet; B, welding form ripple tube core: between recessed of the wave plate lug of primary and secondary sheet and wave plate, insert spacer ring, at least two primary and secondary sheets that insert after spacer ring are inserted in rotating shaft, rotating shaft, so that welding mechanism welds the junction of the outer ring of two primary and secondary sheets, then move axially welding mechanism and weld next group primary and secondary sheet, so circulation, has welded rear formation ripple tube core; C, welding form bellows: respectively at least two wave plate lugs and recessed of wave plate are stacked, form lug group and recessed group, lug group, ripple tube core and recessed group are inserted in rotating shaft successively, by welding mechanism, respectively the outer ring of the outer ring of ripple tube core and lug group and recessed group is welded together, form bellows; D, welding form bellows component: the outer ring at two ends, above-mentioned bellows left and right is welded on respectively in basic ring and ring seat, forms bellows component, take off spacer ring.
Preferably, after step c, be performing leak test: bellows is placed on checkout gear, by external storage device, discharges and detect gas, checkout gear is inwardly air-breathing by bellows, if suck, detects gas, reports to the police, the sealing existing problems of bellows are described, otherwise do not report to the police;
Preferably, the outer ring of the left side of described spacer ring is plane, inner ring is cambered surface, the outer ring of the right side of spacer ring is plane, inner ring is inclined-plane, the crotch distance of axially opening of spacer ring is 1.00mm-1.50mm, recessed of the cambered surface radius of the left side of spacer ring and the wave plate from outside to inside radius of first paragraph cambered surface are identical, the right side of spacer ring and the oblique angle of vertical direction are 30-33 degree, after in spacer ring intron master slice, the cambered surface of its left side is adjacent to the first paragraph cambered surface of recessed of wave plate, the inclined design of its right side can be avoided contacting with each cambered surface of wave plate lug, thereby while making wave plate compacted, recessed of wave plate can not be extruded distortion with the each segmental arc on wave plate lug, the external diameter height of spacer ring is lower than the outer ring of primary and secondary sheet, can not hinder the outer ring of the adjacent two primary and secondary sheets of welding.
Preferably, when described step b and step c welding outer ring, by two clamping devices, clamp parts to be welded, make the outer ring laminating of adjacent primary and secondary sheet in step b, and the outer ring of lug group and recessed group is adjacent to the outer ring of ripple tube core in step c, the inner of above-mentioned clamping device is provided with annular boss, and two boss face compress respectively on the outer plane of a loop of recessed of wave plate lug and wave plate, the left and right plane of compact arranged spacer ring is adjacent to, to bear clamping pressure.
Preferably, during described step e welding, successively basic ring, bellows and ring seat are inserted in rotating shaft, by two fixtures, from outside, clamp basic ring and ring seat; The left end of above-mentioned basic ring has groove face, and right side is stretched out formation flange surface to the right; The left side of above-mentioned ring seat is stretched out formation convex surface left, and right side is provided with step surface; During welding, two of above-mentioned left and right fixture withstands respectively groove face and step surface, makes the outer ring at two ends, bellows left and right be adjacent to respectively flange surface and convex surface.
A kind of a kind of bellow seal of utilizing above-mentioned bellows component to form, comprise bellows component, housing, stationary ring and rotating ring, wherein: the left end of described housing embeds in groove face, described stationary ring is arranged in step surface, described rotating ring is adjacent to the end face setting of stationary ring, and contact-making surface forms seal face.
Preferably, the outer ring of described housing has annular groove, so that installing sealing ring, the inner ring of housing is provided with heavy stand, to shorten the distance between housing inner ring wall and ripple tube core, prevents beating and resonating of ripple tube core, affects sealing.
Preferably, the inner ring of described basic ring is provided with extension section vertically, and this extension section extends near seal face, makes ripple tube core avoid when mounted inner radius to be subject to the clashing and breaking of other members, avoids foreign matter to enter the inner radius of ripple tube core.
Preferably, between described stationary ring and ring seat, be provided with the first sealing gasket, with stationary seal ring and ring seat.
Preferably, the outer cover of described housing has the second sealing gasket.
Beneficial effect of the present invention is:
1, an optimal way, before bellows external welding, is first welded to form primary and secondary sheet combination by special tooling along wave plate inward flange with lug by recessed, more some primary and secondary sheets is stacked, and each primary and secondary sheet is strutted by spacer ring, and step up at two ends.Primary and secondary sheet is separated with spacer ring, spacer ring outward flange diameter is less than wave plate external diameter.Its beneficial effect is: a, can completed wave core of disposable welding, and the method for taking again the half cassette welding again clamping after frock apart with welding one marble master slice by comparison, has higher efficiency; B, be conducive to adjust ripple core concentricity; When c, welding, weld the good intensity of mushroom thermal diffusivity high.
2, an optimal way, spacer ring is one to have the annular solid of certain section feature, and T is primary and secondary sheet internal arm distance, and Rb is arcwall face, and inclined-plane angle j is 31 °, spacer ring is radially 2 deciles by cutting equably.Its beneficial effect is: a, arcwall face and recessed first surface laminating, and 31 ° of inclined-plane angles are avoided lug first surface; B, each primary and secondary sheet is closely fitted, there will not be rosin joint, weldering partially; When c, wave plate are compacted, wave plate everywhere segmental arc can not be extruded distortion; D, weld seam (weldering mushroom) internal stress free intensity is good; E, be easy to dismounting combination; F, spacer ring material are skin copper alloy, and intensity is high, good springiness, thermal diffusivity are good.
3, an optimal way, ripple tube core one end and two wave plate lug and basic rings that stack weld along outward flange, and recessed of the other end and two wave plates that stack and ring seat are welded along outward flange, then are equipped with spacer ring assembly welding outward flange, composition bellows.Its beneficial effect is: when a, heat treatment ripple tube core, need press also, can avoid wave plate waveform and basic ring, ring seat firmly to contact and produce crowded wound; When b, soft ripple tube core, avoid stretching back and forth and press and process in mechanical collision damage bellows; The molten wide fusion penetration of c, increase ripple tube core and two ends heavy section casting weld seam (weldering mushroom), strengthens weld strength; D, be conducive to keep wave plate original design waveform, the sexual intercourse of elastic force retention wire.
4, an optimal way, described line tube wave sheet is narrow cutter type design.Its beneficial effect is: stretch compensation assembly radial-axial size is little, can be used for that seal chamber is short and small, other seal form is applied the occasion that difficult high-end apparatus for rotating need to seal.
5, an optimal way, described basic ring internal diameter has one overhanging section, extends near seal face.Its beneficial effect is: make sylphon seal avoid being when mounted subject to the damage of other member of inner radius; During sealing operation, can prevent that foreign matter from entering inside diameter of bel place.
6, an optimal way, described housing outer wall is cylindric, is easy to form sealing, radial dimension compactness by sealing gasket and mount pad assembling; Housing is reserved sealing ring cannelure, to adapt to the sealing device connection seal form different from equipment; Housing side medium has a heavy stand, can limit bellows decrement and circular runout at a zone of reasonableness.
7, an optimal way, described stationary ring is connected by sealing gasket with ring seat.Its beneficial effect is: because seal face friction torque is very little, not only played sealing function but also can anti-rotation, seal face is without distortion, and good sealing effect is easy to change stationary ring simultaneously, easy to maintenance.
8, an optimal way, bellows is welded along outward flange by ripple tube core one end and two wave plate lug and basic rings that stack, and recessed of the other end and two wave plates that stack and ring seat are welded along outward flange, and bellows is welded to form bellows component with housing again; Stationary ring forms welded metal-bellows mechanical seal device by sealing gasket interference to ring seat hole.Its beneficial effect is: bellows is originally as balanced seal, saved sliding ring, the elastic force that push-tight sealing surface can be provided again, mechanical seal device for rubber bellows forms independent closed chamber together with mount pad, rotating ring etc., and medium and other media of inside diameter of bel place are kept apart; Bellows component is that state type is installed, can adapt to 20000rpm, seal face average linear velocity, exceed at a high speed the working condition of 23m/s, only need when mounted first order buckling, just can automatically regulate the decentraction of pump shaft and seal chamber, the followability of sealing surface is good, reduced beating of seal itself, made sealing surface face pressure, liquid film stablize, thereby extend sealing life.
Accompanying drawing explanation
Fig. 1 is the welding schematic diagram of primary and secondary sheet of the present invention.
Fig. 2 is the welding schematic diagram of ripple tube core of the present invention.
Fig. 3 is that sylphon seal of the present invention detects schematic diagram.
Fig. 4 is the welding schematic diagram of bellows component of the present invention.
Fig. 5 is the structural representation of spacer ring of the present invention.
Fig. 6 is the structural representation of bellow seal of the present invention.
Fig. 7 is the assembly structure schematic diagram of Fig. 6.
Fig. 8 is the stereogram of Fig. 7.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figures 1 to 8, the technical scheme that the present invention takes is as follows, a kind of welding procedure of bellows component, its step comprises: a, welding form primary and secondary sheet 3G: by wave plate lug 3B and recessed 3C of wave plate according to recessed 3C of wave plate at lower wave plate lug 3B in upper order is inserted in rotating shaft 01, rotating shaft 01, so that welding mechanism 002 welds the inner ring of wave plate lug 3B and recessed 3C of wave plate, form primary and secondary sheet 3G; B, welding form ripple tube core 3A: between the wave plate lug 3B of primary and secondary sheet 3G and recessed 3C of wave plate, insert spacer ring 02, at least two primary and secondary sheet 3G that insert after spacer ring 02 are inserted in rotating shaft 01, rotating shaft 01, so that welding mechanism 002 welds the junction of the outer ring of two primary and secondary sheet 3G, then move axially next group primary and secondary sheet 3G of welding mechanism 002 welding, so circulation, has welded rear formation ripple tube core 3A; C, welding form bellows: respectively at least two wave plate lug 3B and recessed 3C of wave plate are stacked, form lug group 3B1 and recessed group 3C1, lug group 3B1, ripple tube core 3A and recessed group 3C1 are inserted in rotating shaft 01 successively, by welding mechanism 002, respectively the outer ring of the outer ring of ripple tube core 3A and lug group 3B1 and recessed group 3C1 is welded together, form bellows; Performing leak test: bellows is placed on checkout gear 06, is discharged and detected gas by external storage device, checkout gear 06 is inwardly air-breathing by bellows, detects gas if suck, and reports to the police, illustrates the sealing existing problems of bellows, otherwise does not report to the police; D, welding form bellows component: the outer ring at two ends, above-mentioned bellows left and right is welded on respectively on basic ring 3E and ring seat 3D, forms bellows component, take off spacer ring 02.
Preferably, the outer ring of the left side of described spacer ring 02 is plane, inner ring is cambered surface, the outer ring of the right side of spacer ring 02 is plane, inner ring is inclined-plane, the crotch of axially opening of spacer ring 02 is 1.00mm-1.50mm apart from T, recessed 3C of the cambered surface radius Rb of the left side of spacer ring 02 and the wave plate from outside to inside radius of first paragraph cambered surface is identical, the oblique angle j of the right side of spacer ring 02 and vertical direction is 30-33 degree, after in spacer ring 02 intron master slice 3G, the cambered surface of its left side is adjacent to the first paragraph cambered surface of recessed 3C of wave plate, the inclined design of its right side can be avoided contacting with each cambered surface of wave plate lug 3B, thereby while making wave plate compacted, each segmental arc on recessed 3C of wave plate and wave plate lug 3B can not be extruded distortion, the external diameter height of spacer ring 02 is lower than the outer ring of primary and secondary sheet 3G, can not hinder the outer ring of the adjacent two primary and secondary sheet 3G of welding.
Preferably, when described step b and step c welding outer ring, by two clamping devices 04, clamp parts to be welded, make the outer ring laminating of adjacent primary and secondary sheet 3G in step b, and the outer ring of lug group 3B1 and recessed group 3C1 is adjacent to the outer ring of ripple tube core 3A in step c, the inner of above-mentioned clamping device 04 is provided with on the outer plane of a loop that annular boss 041, two boss face compresses respectively wave plate lug 3B and recessed 3C of wave plate, the left and right plane of compact arranged spacer ring 02 is adjacent to, to bear clamping pressure.
Preferably, during described step e welding, successively basic ring, bellows and ring seat are inserted in rotating shaft 01, by two fixtures 07, from outside, clamp basic ring 3E and ring seat 3D; The left end of above-mentioned basic ring 3E has groove face 3E1, and right side is stretched out to the right and formed flange surface 3E2; The left side of above-mentioned ring seat 3D is stretched out left and is formed convex surface 3D2, and right side is provided with step surface 3D1; During welding, two of above-mentioned left and right fixture 07 withstands respectively groove face 3E1 and step surface 3D1, makes the outer ring at two ends, bellows left and right be adjacent to respectively flange surface 3E2 and convex surface 3D2.
Further, spacer ring is one to have the annular solid of certain section feature, and T is primary and secondary sheet internal arm distance, and Rb is arcwall face, and with recessed first surface laminating, 31 ° of inclined-plane angles are avoided lug first surface, and spacer ring is radially cut is equably
2 deciles.Effect: each primary and secondary sheet is closely fitted, there will not be rosin joint, weldering partially; When wave plate is compacted, wave plate everywhere segmental arc can not be extruded distortion, and weld seam (weldering mushroom) internal stress free intensity is good; Be easy to dismounting combination.Preferably, spacer ring material is skin copper alloy, and intensity is high, good springiness, thermal diffusivity are good.
Further, before bellows external welding, first by recessed, be welded to form the combination of primary and secondary sheet with lug by special tooling along wave plate inward flange, more some primary and secondary sheets are stacked, each primary and secondary sheet is strutted by spacer ring, and step up at two ends.Preferably, primary and secondary sheet is separated with spacer ring, spacer ring outward flange diameter is less than wave plate external diameter, has following effect: 1, can completed wave core of disposable welding, and take apart again and move back again method that a wave soldering connects after frock by comparison with welding one ripple, there is higher efficiency; 2, be conducive to adjust ripple core concentricity; While 3, welding, weld the good intensity of mushroom thermal diffusivity high.
Further, by ripple tube core 3A one end and two wave plate lug 3B that stack and basic ring 3E, along outward flange, welded, the other end and recessed 3C of two wave plates that stack and ring seat 3D weld along outward flange, then take spacer ring as interval, assembly welding outward flange, composition bellows.Preferably, ripple tube core 3A one end and two wave plate lug 3B that stack and basic ring 3E weld along outward flange, and recessed of the other end and two wave plates that stack and ring seat are welded along outward flange.Effect: 1, need press also during heat treatment ripple tube core, can avoid wave plate waveform and basic ring, ring seat firmly to contact producing to squeeze hindering; 2, avoid stretching back and forth during soft ripple tube core and press and process in mechanical collision damage bellows; 3, increase the molten wide fusion penetration of ripple tube core and two ends heavy section casting weld seam (weldering mushroom), strengthen weld strength; 4, be conducive to keep wave plate original design waveform, the sexual intercourse of elastic force retention wire.
A kind of a kind of bellow seal of utilizing above-mentioned bellows component to form, it is characterized in that: comprise bellows component, housing 3F, stationary ring 1 and rotating ring 5, wherein: the left end of described housing 3F embeds in groove face 3E1, described stationary ring 1 is arranged in step surface 3D1, described rotating ring 5 is adjacent to the end face setting of stationary ring 1, and contact-making surface forms seal face.Bellows stretch compensation assembly state type is installed, can adapt to large-diameter, high rotating speed working condition, only need when mounted first order buckling, just can automatically regulate the decentraction of pump shaft and seal chamber, the followability of sealing surface is good, reduced beating of seal itself, made sealing surface face pressure, liquid film stablize, thereby extend sealing life.
Preferably, the outer ring of described housing 3F has annular groove 3F1, so that installing sealing ring, the inner ring of housing 3F is provided with heavy stand 3F2, to shorten the distance between housing 3F inner ring wall and ripple tube core 3A, prevent beating and resonating of ripple tube core 3A, affect sealing.Housing is reserved sealing ring cannelure, to adapt to the sealing device connection seal form different from equipment; Housing side medium has a heavy stand, can limit bellows decrement at a zone of reasonableness.
Preferably, the inner ring of described basic ring 3E is provided with extension section 3E3 vertically, and this extension section 3E3 extends near seal face, makes ripple tube core 3A avoid when mounted inner radius to be subject to the clashing and breaking of other members, avoids foreign matter to enter the inner radius of ripple tube core 3A.
Preferably, between described stationary ring 1 and ring seat 3D, be provided with the first sealing gasket 2, with stationary seal ring 1 and ring seat 3D.Stationary ring 1 is connected by the first sealing gasket 2 with ring seat 3D, because seal face friction torque is very little, has not only played sealing function but also can anti-rotation, and seal face, without distortion, is easy to change stationary ring simultaneously, easy to maintenance.
Preferably, the outer cover of described housing 3F has the second sealing gasket 4D.
Further, described bellows wave plate is the design of narrow cutter type, and stretch compensation assembly radial-axial size is little, can be used for that seal chamber is short and small, other seal form is applied the occasion that difficult high-end apparatus for rotating need to seal.When above-mentioned welding forms primary and secondary sheet, wave plate is arranged on mount pad 05.
Embodiments of the invention are just introduced its specific embodiment, do not lie in and limit its protection domain.The technical staff of the industry can make some and revise under the inspiration of the present embodiment, and the equivalence of doing according to the scope of the claims of the present invention therefore all changes or modifies, and all belongs within the scope of Patent right requirement of the present invention.
Claims (10)
1. the welding procedure of a bellows component, its step comprises: a, welding form primary and secondary sheet (3G): by wave plate lug (3B) and wave plate recessed (3C) according to wave plate recessed (3C) at lower wave plate lug (3B) in upper order is inserted in rotating shaft (01), rotating shaft (01), so that the inner ring of welding mechanism (002) welding wave plate lug (3B) and wave plate recessed (3C), forms primary and secondary sheet (3G); B, welding form ripple tube core (3A): between the wave plate lug (3B) of primary and secondary sheet (3G) and wave plate recessed (3C), insert spacer ring (02), at least two primary and secondary sheets (3G) that insert after spacer ring (02) are inserted in rotating shaft (01), rotating shaft (01), so that the junction of the outer ring of welding mechanism (002) welding two primary and secondary sheets (3G), then move axially welding mechanism (002) and weld next group primary and secondary sheet (3G), so circulation, has welded rear formation ripple tube core (3A); C, welding form bellows: respectively at least two wave plate lugs (3B) and wave plate recessed (3C) are stacked, form lug group (3B1) and recessed group (3C1), lug group (3B1), ripple tube core (3A) and recessed group (3C1) are inserted in rotating shaft (01) successively, by welding mechanism (002), respectively the outer ring of the outer ring of ripple tube core (3A) and lug group (3B1) and recessed group (3C1) is welded together, form bellows; D, welding form bellows component: the outer ring at two ends, above-mentioned bellows left and right is welded on respectively in basic ring (3E) and ring seat (3D), forms bellows component, take off spacer ring (02).
2. the welding procedure of a kind of bellows component according to claim 1, it is characterized in that: after above-mentioned c step, also comprise performing leak test, this step is: bellows is placed on checkout gear (06), by external storage device, discharge and detect gas, checkout gear (06) is inwardly air-breathing by bellows, if suck, detects gas, reports to the police, the sealing existing problems of bellows are described, otherwise do not report to the police.
3. the welding procedure of a kind of bellows component according to claim 2, it is characterized in that: the outer ring of the left side of described spacer ring (02) is plane, inner ring is cambered surface, the outer ring of the right side of spacer ring (02) is plane, inner ring is inclined-plane, the crotch distance (T) of axially opening of spacer ring (02) is 1.00mm-1.50mm, cambered surface radius (Rb) and the wave plate recessed (3C) of the left side of spacer ring (02) the from outside to inside radius of first paragraph cambered surface is identical, the oblique angle (j) of the right side of spacer ring (02) and vertical direction is 30-33 degree, after in spacer ring (02) intron master slice (3G), the cambered surface of its left side is adjacent to the first paragraph cambered surface of wave plate recessed (3C), the inclined design of its right side can be avoided contacting with each cambered surface of wave plate lug (3B), thereby while making wave plate compacted, wave plate recessed (3C) can not be extruded distortion with the each segmental arc on wave plate lug (3B), the external diameter height of spacer ring (02) is lower than the outer ring of primary and secondary sheet (3G), can not hinder the outer ring of the adjacent two primary and secondary sheets (3G) of welding.
4. according to the welding procedure of a kind of bellows component described in any one in claim 1-3, it is characterized in that: when described step b and step c welding outer ring, by two clamping devices (04), clamp parts to be welded, make the outer ring laminating of adjacent primary and secondary sheet (3G) in step b, and in step c, the outer ring of lug group (3B1) and recessed group (3C1) is adjacent to the outer ring of ripple tube core (3A), the inner of above-mentioned clamping device (04) is provided with annular boss (041), two boss face compress respectively on the outer plane of a loop of wave plate lug (3B) and wave plate recessed (3C), the left and right plane of compact arranged spacer ring (02) is adjacent to, to bear clamping pressure.
5. the welding procedure of a kind of bellows component according to claim 4, it is characterized in that: during described step e welding, successively basic ring, bellows and ring seat are inserted in rotating shaft (01), by two fixtures (07), from outside, clamp basic ring (3E) and ring seat (3D); The left end of above-mentioned basic ring (3E) has groove face (3E1), and right side is stretched out to the right and formed flange surface (3E2); The left side of above-mentioned ring seat (3D) is stretched out left and is formed convex surface (3D2), and right side is provided with step surface (3D1); During welding, two fixtures in above-mentioned left and right (07) withstand respectively groove face (3E1) and step surface (3D1), make the outer ring at two ends, bellows left and right be adjacent to respectively flange surface (3E2) and convex surface (3D2).
6. an a kind of bellow seal of utilizing the bellows component described in claim 5 to form, it is characterized in that: comprise bellows component, housing (3F), stationary ring (1) and rotating ring (5), wherein: the left end of described housing (3F) embeds in groove face (3E1), described stationary ring (1) is arranged in step surface (3D1), described rotating ring (5) is adjacent to the end face setting of stationary ring (1), and contact-making surface forms seal face.
7. a kind of bellow seal according to claim 6, it is characterized in that: the outer ring of described housing (3F) has annular groove (3F1), so that installing sealing ring, the inner ring of housing (3F) is provided with heavy stand (3F2), to shorten the distance between housing (3F) inner ring wall and ripple tube core (3A), prevent beating and resonating of ripple tube core (3A), affect sealing.
8. according to a kind of bellow seal described in any one in claim 6-7, it is characterized in that: the inner ring of described basic ring (3E) is provided with extension section (3E3) vertically, this extension section (3E3) extends near seal face, make ripple tube core (3A) avoid when mounted inner radius to be subject to the clashing and breaking of other members, avoid foreign matter to enter the inner radius of ripple tube core (3A).
9. a kind of bellow seal according to claim 8, is characterized in that: between described stationary ring (1) and ring seat (3D), be provided with the first sealing gasket (2), with stationary seal ring (1) and ring seat (3D).
10. a kind of bellow seal according to claim 8, is characterized in that: the outer cover of described housing (3F) has the second sealing gasket (4D).
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| CN201310728481.3A CN103753038B (en) | 2013-12-26 | 2013-12-26 | The welding procedure of a kind of bellows component and application apparatus thereof |
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| CN201310728481.3A CN103753038B (en) | 2013-12-26 | 2013-12-26 | The welding procedure of a kind of bellows component and application apparatus thereof |
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| CN103753038B CN103753038B (en) | 2016-08-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893678A (en) * | 2021-02-01 | 2021-06-04 | 南昌航空大学 | Manufacturing method of W-shaped multi-stack ring |
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| CN112893678A (en) * | 2021-02-01 | 2021-06-04 | 南昌航空大学 | Manufacturing method of W-shaped multi-stack ring |
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| CN103753038B (en) | 2016-08-24 |
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