CN103753038B - The welding procedure of a kind of bellows component and application apparatus thereof - Google Patents
The welding procedure of a kind of bellows component and application apparatus thereof Download PDFInfo
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- CN103753038B CN103753038B CN201310728481.3A CN201310728481A CN103753038B CN 103753038 B CN103753038 B CN 103753038B CN 201310728481 A CN201310728481 A CN 201310728481A CN 103753038 B CN103753038 B CN 103753038B
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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
-
- 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 welding procedure and the application apparatus thereof of a kind of bellows component, welding procedure step includes: a, welding form primary and secondary sheet；B, welding form ripple tube core；C, welding form bellows；D, welding form bellows component；Performing leak test.A kind of bellow seal, it is characterized in that: include bellows component, housing, stationary ring and rotating ring, wherein: the left end of described housing embeds in groove face, and described stationary ring is arranged in step surface, described rotating ring is adjacent to the end face of stationary ring and arranges, and contact surface forms seal face.Welding efficiency is high, and precision is good, and elastic compensating is stable, and service life is long.
Description
Technical field
The present invention relates to mechanically-sealing apparatus, refer in particular to welding procedure and the application apparatus thereof of a kind of bellows component.
Background technology
Welded metal-bellows mechanical seal is widely used in various centrifugal pump, its elastic force uniformly, natural balance type, the characteristic such as easy for installation, temperature range 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 to weld with cylindrical；There is problems in that in actually used that the weakest link of a, bellows is two ends and the welding of matrix, easy rosin joint, weld strength are inadequate；Need after b, bellows-welding to be heat-treated and Stable Length, usually two ends are fixed, stretch and press and bellows component is also known as " soft "
, but when pressing also, wave plate and two ends metalwork extrusion and collision, easily make two ends wave plate waveform produce expendable deformation or damage, affect inner circle soldered ball intensity, be less useful for the spring force relation of bellows；C, the welding precision of bellows require height, therefore often in order to ensure precision in actual production, welding efficiency is low, and particularly during cylindrical welding, the mode of employing is unicast welding, frock is taken apart after i.e. welding a ripple, moving back a wave soldering again to connect, the concentricity of this kind of welding manner ripple core is difficult to ensure that, welds mushroom poor radiation during welding, weld strength is low, and particularly welding efficiency is low；Stationary ring or rotating ring can be set on d, bellows component; its position may be provided at 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 are easily accessible 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, owing to rotating ring contacts with stationary ring, beating and resonating of stationary ring can be caused, it is thus desirable to elastic compensating part provides elastic compensating, and bellows component is state-of-the-art elastic compensating assembly, and existing bellows is in actual applications, beating and resonating along with stationary ring, easily radial motion, lacks a kind of structure limiting 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, it is provided that a kind of welding efficiency is high, and precision is good, and elastic compensating is stable, service life length the welding procedure of bellows component and application apparatus.
The technical scheme that the present invention takes is as follows, a kind of welding procedure of bellows component, its step includes: a, welding form primary and secondary sheet: wave plate lug and wave plate female tab are inserted in rotating shaft in upper order at lower wave plate lug according to wave plate female tab, rotating shaft, so that welding mechanism welding wave plate lug and the inner ring of wave plate female tab, form primary and secondary sheet；B, welding form ripple tube core: insert spacer ring between the wave plate lug and wave plate female tab of primary and secondary sheet, primary and secondary sheet after inserting spacer ring by least two is 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, forms ripple tube core after having welded；C, welding form bellows: at least two panels wave plate lug and wave plate female tab stacked respectively, form lug group and female tab group, lug group, ripple tube core and female tab group are inserted in rotating shaft successively, respectively the outer ring of the outer ring of ripple tube core with lug group and female tab group is welded together by welding mechanism, form bellows；D, welding form bellows component: be respectively welded in basic ring and ring seat the outer ring at two ends, above-mentioned bellows left and right, form bellows component, take off spacer ring.
Preferably, it is performing leak test after step c: bellows is placed on detection means, by external storage device release detection gas, detection device, by the inside air-breathing of bellows, if sucking detection gas, is then reported 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, spacer ring axially open crotch distance for 1.00mm-1.50mm, the cambered surface radius of the left side of spacer ring is identical with the radius of wave plate female tab first paragraph cambered surface from outside to inside, 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 wave plate female tab, the inclined design of its right side is it can be avoided that contact with each cambered surface of wave plate lug, during so that wave plate is compacted, wave plate female tab will not be deformed with each segmental arc on wave plate lug, the external diameter height of spacer ring is less than the outer ring of primary and secondary sheet, the outer ring welding adjacent two primary and secondary sheets will not be hindered.
Preferably, when described step b and step c welding outer ring, parts to be welded are clamped by two clamping devices, fit in the outer ring making adjacent primary and secondary sheet in step b, and the outer ring of lug group and female tab group is adjacent to the outer ring of ripple tube core in step c, the inner of above-mentioned clamping device is provided with the boss of annular, and two boss face compress on the outer plane of a loop of wave plate lug and wave plate female tab respectively, the left and right plane of compact arranged spacer ring is adjacent to, to bear clamping pressure.
Preferably, during the welding of described step e, successively basic ring, bellows and ring seat are inserted in rotating shaft, by two fixtures from outside clamping basic ring and ring seat；The left end of above-mentioned basic ring has groove face, and formation flange surface is stretched out to the right in right side；The left side of above-mentioned ring seat stretches out formation convex surface to the left, and right side is provided with step surface；During welding, two, above-mentioned left and right fixture is respectively against groove face and step surface so that the outer ring at two ends, bellows left and right is adjacent to flange surface and convex surface respectively.
A kind of a kind of bellow seal utilizing above-mentioned bellows component to constitute, including 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 of stationary ring and arranges, and contact surface forms seal face.
Preferably, the outer ring of described housing has annular groove, in order to installing sealing ring, and the inner ring of housing is provided with heavy stand, in order to shortens the distance between housing inner ring wall and ripple tube core, prevents beating and resonating of ripple tube core, affect sealing.
Preferably, the inner ring of described basic ring is provided with extension section vertically, and this extension section extends near seal face so that ripple tube core avoids inner radius by the clashing and breaking of other components when mounted, it is to avoid foreign matter enters the inner radius of ripple tube core.
Preferably, between described stationary ring and ring seat, it is provided with the first sealing gasket, with stationary seal ring and ring seat.
Preferably, the outside of described housing is cased with the second sealing gasket.
The beneficial effects of the present invention is:
1, a kind of preferred embodiment, before bellows external welding, is first welded to form primary and secondary sheet by special tooling along wave plate inward flange with lug by female tab and combines, then stacked by some primary and secondary sheets, and each primary and secondary sheet is strutted by spacer ring, and two ends are stepped up.Being separated by primary and secondary sheet with spacer ring, spacer ring outward flange diameter is less than wave plate external diameter.It has the beneficial effect that a, can disposably weld a completed wave core, with the method welding the half cassette welding again clamped after a marble master slice takes frock again apart comparatively, there is higher efficiency；B, beneficially adjustment ripple core concentricity；When c, welding, the weldering good intensity of mushroom thermal diffusivity is high.
2, a kind of preferred embodiment, spacer ring is an annular solid having 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 °, and spacer ring is radially 2 deciles by cutting equably.It has the beneficial effect that a, arcwall face are fitted with female tab first surface, and inclined-plane angle 31 ° avoids lug first surface；B, make each primary and secondary sheet closely fit, do not have rosin joint, partially weld；When c, wave plate are compacted, wave plate segmental arc everywhere will not be deformed；D, weld seam (weldering mushroom) internal stress free intensity are good；E, be prone to dismounting combination；F, spacer ring material are skin copper alloy, and intensity height, good springiness, thermal diffusivity are good.
3, a kind of preferred embodiment, wave plate lug and basic ring that ripple tube core one end stacks with two panels weld along outward flange, and wave plate female tab and ring seat that the other end stacks with two panels are welded along outward flange, then are equipped with spacer ring assembly welding outward flange, composition bellows.It need to be pressed also when having the beneficial effect that a, heat treatment ripple tube core, wave plate waveform can be avoided with basic ring, ring seat firmly to contact generation and squeeze wound；During avoiding stretching back and forth and pressing when b, soft ripple tube core also, mechanical collision damages bellows；C, increase ripple tube core and two ends heavy section casting weld seam (weldering mushroom) molten wide fusion penetration, enhancing weld strength；D, beneficially holding wave plate original design waveform, elastic force keeps linear relationship.
4, a kind of preferred embodiment, described line tube wave sheet is the design of narrow blade type.It has the beneficial effect that stretch compensation assembly radial-axial size is little, can be used for sealing the occasion that the high-end apparatus for rotating that cavity is short and small, the application of other seal form is difficult needs to seal.
5, a kind of preferred embodiment, described basic ring internal diameter has one overhanging section, extends near seal face.It has the beneficial effect that making sylphon seal avoid when mounted by other component of inner radius is damaged；Seal and when running, can prevent foreign matter from entering at inside diameter of bel.
6, a kind of preferred embodiment, described housing exterior walls is cylindric, it is easy to being assembled to form sealing by sealing gasket and mounting seat, radial dimension is compact；Housing reserves sealing ring cannelure, the connection seal form different from equipment to adapt to sealing device；Housing side medium has a heavy stand, can limit bellows decrement and circular runout at a zone of reasonableness.
7, a kind of preferred embodiment, described stationary ring is connected by sealing gasket with ring seat.It has the beneficial effect that because seal face friction torque is the least, not only played sealing function but also can anti-rotation, seal face, without deformation, good sealing effect, is easily changed stationary ring simultaneously, easy to maintenance.
8, a kind of preferred embodiment, wave plate lug and basic ring that bellows is stacked with two panels by ripple tube core one end weld along outward flange, and wave plate female tab and ring seat that the other end stacks with two panels are welded along outward flange, bellows again with case weld composition bellows component；Stationary ring is by forming welded metal-bellows mechanical seal device in sealing gasket interference to ring seat hole.It provides the benefit that: bellows is originally as balanced seal, eliminate sliding ring, can provide again the elastic force of push-tight sealing surface, mechanical seal device for rubber bellows forms single closed chamber together with mounting seat, rotating ring etc., is kept apart by other media at medium and inside diameter of bel；Bellows component is that state type is installed, it is suitable at a high speed to 20000rpm, the seal face average linear velocity working condition more than 23m/s, the most only need first order buckling, just can be automatically adjusted pump shaft and seal the most concentric of cavity, the followability of sealing surface is good, decrease beating of seal itself, make sealing surface face pressure, liquid film stable, thus 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 assembling structural representation of Fig. 6.
Fig. 8 is the stereogram of Fig. 7.
Detailed description of the invention
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 includes: a, welding form primary and secondary sheet 3G: by wave plate lug 3B and wave plate female tab 3C according to wave plate female tab 3C 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 wave plate female tab 3C, form primary and secondary sheet 3G；B, welding form ripple tube core 3A: insert spacer ring 02 between wave plate lug 3B and wave plate female tab 3C of primary and secondary sheet 3G, primary and secondary sheet 3G after inserting spacer ring 02 by least two is 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 welding mechanism 002 and weld next group primary and secondary sheet 3G, so circulation, forms ripple tube core 3A after having welded；C, welding form bellows: at least two panels wave plate lug 3B and wave plate female tab 3C are stacked respectively, form lug group 3B1 and female tab group 3C1, lug group 3B1, ripple tube core 3A and female tab group 3C1 are inserted in rotating shaft 01 successively, respectively the outer ring of ripple tube core 3A is welded together with the outer ring of lug group 3B1 and female tab group 3C1 by welding mechanism 002, form bellows；Performing leak test: be placed on by bellows on detection device 06, by external storage device release detection gas, detection device 06, by the inside air-breathing of bellows, if sucking detection gas, is then reported to the police, and the sealing existing problems of bellows is described, otherwise does not reports to the police；D, welding form bellows component: be respectively welded in basic ring 3E and ring seat 3D the outer ring at two ends, above-mentioned bellows left and right, form bellows component, take off spacer ring 02.
nullPreferably，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，Crotch distance T of axially opening of spacer ring 02 is 1.00mm-1.50mm，Cambered surface radius Rb of the left side of spacer ring 02 is identical with the radius of wave plate female tab 3C first paragraph cambered surface from outside to inside，The right side of spacer ring 02 is 30-33 degree with the oblique angle j of vertical direction，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 female tab 3C，The inclined design of its right side is it can be avoided that contact with each cambered surface of wave plate lug 3B，During so that wave plate is compacted，Wave plate female tab 3C will not be deformed with each segmental arc on wave plate lug 3B，The external diameter height of spacer ring 02 outer ring less than primary and secondary sheet 3G，The outer ring welding adjacent two primary and secondary sheet 3G will not be hindered.
Preferably, when described step b and step c welding outer ring, parts to be welded are clamped by two clamping devices 04, fit in the outer ring making adjacent primary and secondary sheet 3G in step b, and the outer ring of lug group 3B1 and female tab 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 the boss 041 of annular, and two boss face compress on the outer plane of a loop of wave plate lug 3B and wave plate female tab 3C respectively, the left and right plane of compact arranged spacer ring 02 is adjacent to, to bear clamping pressure.
Preferably, during the welding of described step e, successively basic ring, bellows and ring seat are inserted in rotating shaft 01, by two fixtures 07 from outside clamping basic ring 3E and ring seat 3D；The left end of above-mentioned basic ring 3E has groove face 3E1, and formation flange surface 3E2 is stretched out to the right in right side；The left side of above-mentioned ring seat 3D stretches out formation convex surface 3D2 to the left, and right side is provided with step surface 3D1；During welding, two, above-mentioned left and right fixture 07 is respectively against groove face 3E1 and step surface 3D1 so that the outer ring at two ends, bellows left and right is adjacent to flange surface 3E2 and convex surface 3D2 respectively.
Further, spacer ring is an annular solid having certain section feature, and T is primary and secondary sheet internal arm distance, and Rb is arcwall face, fits with female tab first surface, and inclined-plane angle 31 ° avoids lug first surface, and spacer ring is radially cut equably is2 deciles.Effect: make each primary and secondary sheet closely fit, do not have rosin joint, partially weld；When wave plate is compacted, wave plate segmental arc everywhere will not be deformed, and weld seam (weldering mushroom) internal stress free intensity is good；It is prone to dismounting combination.Preferably, spacer ring material is skin copper alloy, and intensity height, good springiness, thermal diffusivity are good.
Further, before bellows external welding, first along wave plate inward flange, female tab being welded to form primary and secondary sheet by special tooling with lug and combine, then stacked by some primary and secondary sheets, each primary and secondary sheet is strutted by spacer ring, and two ends are stepped up.Preferably, being separated by primary and secondary sheet with spacer ring, spacer ring outward flange diameter is less than wave plate external diameter, has following effect: 1, can disposably weld a completed wave core, moves back method that a wave soldering connects again comparatively, there is higher efficiency with welding after a ripple takes frock again apart；2, be conducive to adjusting ripple core concentricity；3, during welding, the weldering good intensity of mushroom thermal diffusivity is high.
Further, ripple tube core 3A one end the wave plate lug 3B and the basic ring 3E that stack with two panels weld along outward flange, and wave plate female tab 3C and ring seat 3D that the other end stacks with two panels are welded along outward flange, then with spacer ring for interval, assembly welding outward flange, form bellows.Preferably, wave plate lug 3B and basic ring 3E that ripple tube core 3A one end stacks with two panels weld along outward flange, and wave plate female tab and ring seat that the other end stacks with two panels are welded along outward flange.Effect: need to press also when 1, being heat-treated ripple tube core, can avoid wave plate waveform firmly to contact generation with basic ring, ring seat and squeeze wound；2, during avoiding during soft ripple tube core stretching back and forth and pressing also, mechanical collision damages bellows；3, increase ripple tube core and two ends heavy section casting weld seam (weldering mushroom) molten wide fusion penetration, strengthen weld strength；4, being conducive to keeping wave plate original design waveform, elastic force keeps linear relationship.
A kind of a kind of bellow seal utilizing above-mentioned bellows component to constitute, it is characterized in that: include 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 of stationary ring 1 and arranges, and contact surface forms seal face.Bellows stretch compensation assembly state type is installed, it is suitable for large-diameter, high speed conditions condition, the most only need first order buckling, just can be automatically adjusted pump shaft and seal the most concentric of cavity, the followability of sealing surface is good, decrease beating of seal itself, make sealing surface face pressure, liquid film stable, thus extend sealing life.
Preferably, the outer ring of described housing 3F has annular groove 3F1, in order to installing sealing ring, the inner ring of housing 3F is provided with heavy stand 3F2, so that the distance shortened between housing 3F inner ring wall and ripple tube core 3A, prevent beating and resonating of ripple tube core 3A, affect sealing.Housing reserves sealing ring cannelure, the connection seal form different from equipment to adapt to sealing device；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 so that ripple tube core 3A avoids inner radius by the clashing and breaking of other components when mounted, it is to avoid foreign matter enters the inner radius of ripple tube core 3A.
Preferably, between described stationary ring 1 and ring seat 3D, it is provided with the first sealing gasket 2, with stationary seal ring 1 and ring seat 3D.Stationary ring 1 and ring seat 3D are connected by the first sealing gasket 2, because seal face friction torque is the least, not only played sealing function but can anti-rotation, seal face, without deformation, is easily changed stationary ring simultaneously, easy to maintenance.
Preferably, the outside of described housing 3F is cased with the second sealing gasket 4D.
Further, described bellows wave plate is the design of narrow blade type, and stretch compensation assembly radial-axial size is little, can be used for sealing the occasion that the high-end apparatus for rotating that cavity is short and small, the application of other seal form is difficult needs to seal.When above-mentioned welding forms primary and secondary sheet, wave plate is arranged in mounting seat 05.
Embodiments of the invention simply introduce its detailed description of the invention, do not lie in and limit its protection domain.The technical staff of the industry may be made that some is revised under the inspiration of the present embodiment, therefore all equivalence changes done according to the scope of the claims of the present invention or modification, belong in scope of the patent claims of the present invention.
Claims (8)
1. the welding procedure of a bellows component, its step includes: a, welding form primary and secondary sheet (3G): by wave plate lug (3B) and wave plate female tab (3C) according to wave plate female tab (3C) lower wave plate lug (3B) in upper order is inserted in rotating shaft (01), rotating shaft (01), so that welding mechanism (002) welding wave plate lug (3B) and the inner ring of wave plate female tab (3C), form primary and secondary sheet (3G)；B, welding form ripple tube core (3A): insert spacer ring (02) between the wave plate lug (3B) and wave plate female tab (3C) of primary and secondary sheet (3G), primary and secondary sheet (3G) after inserting spacer ring (02) by least two is 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 sheets (3G), then move axially welding mechanism (002) and weld next group primary and secondary sheet (3G), so circulation, forms ripple tube core (3A) after having welded；C, welding form bellows: at least two panels wave plate lug (3B) and wave plate female tab (3C) stacked respectively, form lug group (3B1) and female tab group (3C1), lug group (3B1), ripple tube core (3A) and female tab group (3C1) are inserted in successively in rotating shaft (01), respectively the outer ring of the outer ring of ripple tube core (3A) with lug group (3B1) and female tab group (3C1) is welded together by welding mechanism (002), form bellows；D, welding form bellows component: be respectively welded on basic ring (3E) and ring seat (3D) outer ring at two ends, above-mentioned bellows left and right, form bellows component, take off spacer ring (02)；
Performing leak test is also included after above-mentioned step c, this step is: be placed on by bellows in detection device (06), by external storage device release detection gas, detection device (06) is by the inside air-breathing of bellows, if sucking detection gas, then report to the police, the sealing existing problems of bellows are described, otherwise do not report to the police；
nullThe 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 span of axially opening of spacer ring (02) is 1.00mm-1.50mm from (T)，The cambered surface radius (Rb) of the left side of spacer ring (02) is identical with the radius of wave plate female tab (3C) first paragraph cambered surface from outside to inside，The right side of spacer ring (02) and the oblique angle (j) of vertical direction are 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 female tab (3C)，The inclined design of its right side is it can be avoided that contact with each cambered surface of wave plate lug (3B)，During so that wave plate is compacted，Wave plate female tab (3C) will not be deformed with each segmental arc on wave plate lug (3B)，The external diameter height of spacer ring (02) is less than the outer ring of primary and secondary sheet (3G)，The outer ring welding adjacent two primary and secondary sheets (3G) will not be hindered.
2. according to the welding procedure of a kind of bellows component described in claim 1, it is characterized in that: when described step b and step c welding outer ring, parts to be welded are clamped by two clamping devices (04), fit in the outer ring making adjacent primary and secondary sheet (3G) in step b, and the outer ring of lug group (3B1) and female tab 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 the boss (041) of annular, two boss face compress on the outer plane of a loop of wave plate lug (3B) and wave plate female tab (3C) respectively, the left and right plane of compact arranged spacer ring (02) is adjacent to, to bear clamping pressure.
The welding procedure of a kind of bellows component the most according to claim 2, it is characterized in that: during the welding of described step e, successively basic ring, bellows and ring seat are inserted in rotating shaft (01), by two fixtures (07) from outside clamping basic ring (3E) and ring seat (3D)；The left end of above-mentioned basic ring (3E) has groove face (3E1), and formation flange surface (3E2) is stretched out to the right in right side；The left side of above-mentioned ring seat (3D) stretches out formation convex surface (3D2) to the left, and right side is provided with step surface (3D1)；During welding, two, above-mentioned left and right fixture (07) is respectively against groove face (3E1) and step surface (3D1) so that the outer ring at two ends, bellows left and right is adjacent to flange surface (3E2) and convex surface (3D2) respectively.
4. a kind of bellow seal of the welding procedure utilizing the bellows component described in claim 3, it is characterized in that: include 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 of stationary ring (1) and arranges, and contact surface forms seal face.
A kind of bellow seal the most according to claim 4, it is characterized in that: the outer ring of described housing (3F) has annular groove (3F1), so as installing sealing ring, the inner ring of housing (3F) is provided with heavy stand (3F2), so as the distance shortened between housing (3F) inner ring wall and ripple tube core (3A), prevent beating and resonating of ripple tube core (3A), affect sealing.
6. according to a kind of bellow seal according to any one of claim 4-5, 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, ripple tube core (3A) is made to avoid inner radius by the clashing and breaking of other components when mounted, it is to avoid foreign matter enters the inner radius of ripple tube core (3A).
A kind of bellow seal the most according to claim 6, it is characterised in that: it is provided with the first sealing gasket (2) between described stationary ring (1) and ring seat (3D), with stationary seal ring (1) and ring seat (3D).
A kind of bellow seal the most according to claim 6, it is characterised in that: the outside of described housing (3F) is cased with 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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| CN103753038A CN103753038A (en) | 2014-04-30 |
| CN103753038B true CN103753038B (en) | 2016-08-24 |
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|---|---|---|---|---|
| US4749200A (en) * | 1986-05-19 | 1988-06-07 | John Crane-Houdaille, Inc. | Mechanical seal with welded bellows |
| CN2916283Y (en) * | 2006-03-06 | 2007-06-27 | 童汉全 | Mechanical sealing device for major-diameter welded metal bellows |
| CN102032350A (en) * | 2010-11-22 | 2011-04-27 | 西安永华集团有限公司 | Manufacturing method for titanium alloy bellows mechanical sealing device |
| CN202402641U (en) * | 2011-11-29 | 2012-08-29 | 成都凯天电子股份有限公司 | Dynamic sealing device for blocking fluid |
| CN102927040A (en) * | 2012-12-05 | 2013-02-13 | 东莞市华汇精密机械有限公司 | Mechanical seal structure for narrow seal chamber |
-
2013
- 2013-12-26 CN CN201310728481.3A patent/CN103753038B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749200A (en) * | 1986-05-19 | 1988-06-07 | John Crane-Houdaille, Inc. | Mechanical seal with welded bellows |
| CN2916283Y (en) * | 2006-03-06 | 2007-06-27 | 童汉全 | Mechanical sealing device for major-diameter welded metal bellows |
| CN102032350A (en) * | 2010-11-22 | 2011-04-27 | 西安永华集团有限公司 | Manufacturing method for titanium alloy bellows mechanical sealing device |
| CN202402641U (en) * | 2011-11-29 | 2012-08-29 | 成都凯天电子股份有限公司 | Dynamic sealing device for blocking fluid |
| CN102927040A (en) * | 2012-12-05 | 2013-02-13 | 东莞市华汇精密机械有限公司 | Mechanical seal structure for narrow seal chamber |
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| CN103753038A (en) | 2014-04-30 |
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Denomination of invention: Welding process and application device of corrugated pipe assembly Effective date of registration: 20170804 Granted publication date: 20160824 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN HUAHUI PRECISION MACHINERY CO.,LTD. Registration number: 2017990000712 |
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