CN109482738A - Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding die - Google Patents
Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding die Download PDFInfo
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- CN109482738A CN109482738A CN201811460075.2A CN201811460075A CN109482738A CN 109482738 A CN109482738 A CN 109482738A CN 201811460075 A CN201811460075 A CN 201811460075A CN 109482738 A CN109482738 A CN 109482738A
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- 238000000465 moulding Methods 0.000 title claims abstract description 47
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 21
- 238000012423 maintenance Methods 0.000 title claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 18
- 239000010935 stainless steel Substances 0.000 title claims abstract description 18
- 238000007493 shaping process Methods 0.000 claims abstract description 39
- 230000006835 compression Effects 0.000 claims abstract description 35
- 238000007906 compression Methods 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 238000007747 plating Methods 0.000 claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 5
- 238000013519 translation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 15
- 239000007789 gas Substances 0.000 description 9
- 238000000926 separation method Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- -1 metallurgy Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding dies, it include: shaping upper, form lower die, pre- pressing mold and positioning compression mould, molding lower die is separate structure, and including left side mould and right side mould translatable close to each other or isolated, the opposite side of two side forms is provided with arcwall face, arcwall face is combined to form ripplet lower mode cavity, and the shape of ripplet lower mode cavity matches with corrugated plating ripplet external surface shape.Seperated lower die, which is gradually closed up, is combined into complete lower mode cavity, and it is folded with upper mold and completes ripplet bending, seperated lower die is during closing up, plate will not be fixed on to a fixed position, but it is moved as plate is mobile, it not will cause plate stretch, so that ripple be avoided weak part occur.
Description
Technical field
The invention belongs to seal Thermo Isolation Technique field, it is related to liquid storage and/or transport, such as cryogenic liquid.
The present invention is more particularly directed to liquified natural gas carrier (LNGC) field more particularly to a kind of film-type liquefied natural gas cargo tanks
Maintenance system stainless steel wave card ripplet molding die.
Background technique
With gas generation oil in the industries such as building materials, metallurgy, medicine, light industry, liquefied petroleum gas, light bavin is widely used in various industries
Oil and heavy oil make industrial fuel, and the fluctuation of oil price, the restriction of oil sources and traffic condition affect product quality and upgrading,
Also the improvement of air quality is affected.Using the industrial enterprise of fuel oil, if implementing with gas generation oily engineering, improvement project amount is few,
It is with low investment, quick, it is technically feasible, and oil to gas project gas consumption is big, with gas stabilization and gas utilization market
Developing initial stage main support items.For Optimizing City gas consumption structure, quality of filling gas is improved, improves environment, natural gas conduct
Clean energy resource will become the preferred fuels of China's modern city.
LNG(Liquefied Natural Gas) ship be the transport liquefied gases under subzero 163 degrees Celsius of low temperature special purpose ship
Oceangoing ship is high-tech, highly difficult, high added value " three high " product, is a kind of " marine super van cooler ", is called world's shipbuilding
Industry " jewel on imperial crown ".The storage tank of LNG ship is independently of the special tectonic of hull, in the design, mainly considers cryogenic media
Adaptability, therefore it is very high to tank inside structural requirement.
Plate cannot have weak position, for the performance of plate there can be no being damaged, plate surface cannot after processing
It is damaged, and to have effects that reduce in storage tank after board making to evaporate.
Summary of the invention
The present invention provides a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet shaping mould
Tool, using seperated lower die, with being gradually curved for plate, seperated lower die, which is gradually closed up, is combined into complete lower mode cavity, and
It being folded with upper mold and completes ripplet bending, plate will not be fixed on a fixed position during closing up by seperated lower die,
But moved as plate is mobile, it not will cause plate stretch, so that ripple be avoided weak part occur.
The specific technical proposal of the invention is: a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel wave card
Ripplet molding die, comprising:
Shaping upper has the die head to match with ripplet inner surface configuration；
Lower die is formed, is separate structure, including left side mould and right side mould translatable close to each other or isolated, two side forms are opposite
Side is provided with arcwall face, and arcwall face is combined to form ripplet lower mode cavity, the shape and corrugated plating ripplet of ripplet lower mode cavity
External surface shape matches；
Pre- pressing mold, between left side mould and right side mould, pre- pressing mold surface is shaping upper, and pre- pressing mold can be under shaping upper
It drops and declines；
Positioning compression mould, quantity is equal with the quantity of left side mould and right side mould, and positioning compression mould and left side mould and right side mould are one by one
It corresponds to and can be translated with the translation of left side mould and right side mould.
The die head that there is shaping upper shape to match with ripplet inner surface configuration, plate during shaping upper decline
It is bonded die head appearance, realizes the positioning of ripplet crooked inner surface；Molding lower die is separate structure, including left side mould and right side mould,
Single side form is unable to complete ripplet bending, and two side form relative sides have an arcwall face, two arcwall face pairings just with small echo
Line external surface shape matches, and two side forms can translate close or translation separation, during shaping upper decline, two side form phases
It is mutually close, in this way as two arcwall faces gradually complete pairing, it is bent with ripplet is just completed after die-head combination；Plate is placed
Afterwards, plate is clamped by positioning compression mould and molding lower die up and down, during shaping upper decline, positioning compression mould cooperation left side mould
It is close towards shaping upper to clip plate simultaneously with right side mould, plate will not be fixed so that plate with ripplet position by
Gradually brake forming and move, avoid plate stretch from local weak position occur；Can be the closing up of two side forms moved by plate and
It drives, can also be controlled mobile with plate and moved by external agency, the movement of certain two side form is synchronous with the mobile holding of plate；
The plate for being bent big ripple is placed on lower side form, before ripplet is formally bent, pre- pressing mold and shaping upper die head
Plate is clamped at top, and during shaping upper downlink, pre- pressing mold clamps plate with shaping upper die head always, in this way guarantee plate
The bending of material is controlled.
Further preferably, the upper surface of pre- pressing mold is plane, and pre- pressing mold is in segmental structure, and the interval between section and section is just
Corresponding with the position of the big ripple of corrugated plating, the lower part of pre- pressing mold is connected with nitrogen gas spring, under nitrogen gas spring effect, precompressed
The upper surface of mould and the upper surface flush of molding lower die.Before bending, pre- pressing mold and shaping upper are clamped between big ripple
Plane position cannot impact molding big ripple, therefore pre- pressing mold is in segmental structure, to avoid out big ripple；
Under the action of nitrogen gas spring, pre- pressing mold can rise again.
Further preferably, the big ripple lower mode cavity being provided in lower die for accommodating corrugated plating big ripple, positioning pressure are formed
Tight mold has the positioning die head of strip, and the cross sectional shape for positioning die head matches with big ripple inner surface configuration, positioning compression
The position of mould is corresponding up and down with the position of big ripple lower mode cavity.Before ripplet bending, plate, which is already bent into type, big wave
Line is provided with the big ripple lower mode cavity for accommodating big ripple, plate in order to avoid causing deformation to influence big ripple on lower side form
After material is placed on lower side form, big ripple is just snapped onto big ripple lower mode cavity.
Further preferably, positioning compression mould includes mould bottom, and mould bottom has positioning compression plane, and positioning mould head process goes out to position pressure
Tight plane, positioning compression plane are parallel with the molding upper surface of lower die.On the positioning die head of positioning compression mould and lower side form
Big ripple lower mode cavity, which is matched, clamps big ripple for positioning, and the upper surface of positioning compression plane and lower side form is for clamping ripple
The plane position of plate.
Further preferably, positioning compression mould is connected with nitrogen gas spring, and nitrogen gas spring is fixed on connecting plate, connecting plate and fixed
It is provided with guide rod between the pressure die of position, connecting plate is connected on upper moving guide rail by sliding block, and upper moving guide rail is fixed on
On mould pedestal；Molding lower die is connected on lower moving guide rail by sliding block, and lower moving guide rail is fixed on lower die pedestal；Upper movement
The length direction of guide rail and lower moving guide rail is the translation direction of positioning compression mould and left side mould, right side mould.
Further preferably, upper moving guide rail is four, and four upper moving guide rails are divided into two groups, and shaping upper is on two groups
Position between moving guide rail, same group two on moving guide rail connect same sliding block；Lower moving guide rail is two, at pre- pressing mold
The position between moving guide rails is descended in two, two sliding blocks are connected on lower moving guide rail, sliding block is across two lower moving guide rails.
Further preferably, standing screw, standing screw one end and right side mould are provided through between left side mould and right side mould
It is connected, the other end of standing screw reaches outside the mould of left side and in the end fixed pallet, connects between supporting plate and left side mould
Nitrogen gas spring.
Further preferably, left side mould and right side mould are separately connected reset spring, and reset spring is used for left side mould and right side mould
Separation resets；Positioning compression mould connects reset spring, and reset spring is resetted for positioning compression mould.It is needed in view of ripplet is bent
It repeatedly to carry out, therefore lower side form needs to separate reset after, it can be by positioning compression mould and two side forms by reset spring
It is individually separated again, convenient for carrying out positioning and clamping to plate plane position when the bending of lower one of ripplet.
Further preferably, it forms in lower die and is provided with small footprint, small footprint upper end is provided with for deforming the big wave of corrugated plating
For the distorted pattern with ripplet crossover sites, distorted pattern is in two side positions of pre- pressing mold.Corrugated plating big ripple and ripplet
Size is different, in crossover sites variant part easy to form, by distorted pattern can to the position that big ripple is intersected with ripplet into
Row Deformation control, so that the geomery of variant part is controlled, while but also variant part meets design requirement.
Further preferably, small footprint two sides are provided with the half the circumference of the sleeve where it joins the shoulder of stretching, be respectively provided in left side mould and right side mould there are two
Crank connecting link, the two sides of two crank connecting links point in small footprint, one end of crank connecting link are to be slidably connected, crank connecting link it is another
End is matched with the half the circumference of the sleeve where it joins the shoulder of small footprint, and bootstrap block is provided with below crank connecting link, and the upper surface of bootstrap block is the guide surface to rise and fall,
When left side mould and right side mould close to each other, small footprint is lifted under guide surface guidance in crank connecting link lower end.Distorted pattern be it is a kind of with
Dynamic state, when plate is just placed, distorted pattern cannot be in contact with big ripple, be gradually curved molding in ripplet, and plate is to small
When corrugated regions are mobile, since ripplet and big ripple crossover sites start to form, distorted pattern is just needed at this time, therefore pass through song
Handle connecting rod controls the movement of distorted pattern, and the movement of crank connecting link is again controlled by the movement of molding lower die.
The beneficial effects of the present invention are: the die head that there is shaping upper shape to match with ripplet inner surface configuration, at
Plate is bonded die head appearance during the decline of type upper mold, realizes the positioning of ripplet crooked inner surface；Molding lower die is separate structure,
Including left side mould and right side mould, single side form is unable to complete ripplet bending, and two side form relative sides have arcwall face, two arcs
Shape just matches with ripplet external surface shape in face of closing, and two side forms can translate close or translation separation, shaping upper
During decline, two side forms are close to each other, in this way as two arcwall faces gradually complete pairing, with just completed after die-head combination it is small
Ripple bending；After plate is placed, plate is clamped by positioning compression mould and molding lower die up and down, it is fixed during shaping upper decline
It is close towards shaping upper that position pressure die cooperation left side mould and right side mould clip plate simultaneously, will not fix plate, so that plate
Material is moved as ripplet position is gradually curved molding, and plate stretch is avoided local weak position occur；Two side forms close up
It can be and moved and driven by plate, can also be controlled mobile with plate and moved, the movement of certain two side form by external agency
It is synchronous with the mobile holding of plate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the present invention；
Fig. 2 is a kind of stereoscopic schematic diagram of the present invention；
Fig. 3 is a kind of cross-sectional view of the present invention；
Fig. 4, which is that the present invention is a kind of, uses schematic diagram；
Fig. 5 is the structural schematic diagram after a kind of corrugated plating ripplet brake forming of the present invention；
In figure: 1, upper mold pedestal, 2, shaping upper, 3, mould bottom, 4, positioning die head, 5, arcwall face, 6, molding lower die, 7, fixed spiral shell
Bar, 8, sliding block, 9, lower moving guide rail, 10, lower reset spring, 11, locating piece, 12, nitrogen gas spring, 13, lower die pedestal, 14,
Limit plate, 15, pre- pressing mold, 16, supporting plate, 17, guide rod, 18, connecting plate, 19, limited post, 20, upper reset spring, 21, upper cunning
Block, 22, upper moving guide rail, 23, big ripple lower mode cavity, 24, distorted pattern, 25, small footprint, 26, round end, 27, coupling recess portion, 28,
Crank connecting link, 29, plate, 30, big ripple, 31, ripplet, 32, isthmus.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the invention will be further described.
Embodiment:
As shown in figure 5, a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel wave card, generally rectangle, long
Degree direction is provided with three big ripples 30 to arch upward, and three big ripples are parallel to each other equidistantly, and width direction is provided with nine and arches upward
Ripplet 31, be parallel to each other between nine ripplets equidistant, the direction of arching upward of ripplet is identical with the direction of arching upward of big ripple,
Ripplet is mutually perpendicular to intersect with big ripple, and forms variant part in crossover sites.Big ripple corresponds to the position at the top of ripplet
For the top of variant part, which is higher than at the top of big ripple, forms recess portion, edge along two sides of the big ripple length direction at the top of this
The big ripple width direction top two sides form the isthmus 32 to middle shrinkage.
As shown in Fig. 1 Fig. 2 Fig. 3 Fig. 4, a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel wave card small echo
Line molding die, comprising: upper mold pedestal 1, the upper moving guide rail 22 for being fixed on upper mold pedestal, be assemblied in it is upper on moving guide rail
Sliding block 21, the connecting plate 18 mutually fixed with top shoe, the nitrogen gas spring 12 being mounted on connecting plate, to be fixed on nitrogen gas spring flexible
The positioning compression mould of end, the lower moving guide rail 9 being fixed on lower die pedestal, is assemblied on lower moving guide rail lower die pedestal 13
Sliding block 8, be fixed on sliding block molding lower die 6, with molding the lower die nitrogen gas spring and standing screw 7 that are connected.
Corrugated plating has three big ripples and nine ripplets, therefore upper mold pedestal is 3 pieces, in each piece of upper mold pedestal
Between position be respectively and fixedly provided with shaping upper 2,4 sections of upper moving guide rails are fixed on each piece of upper mold pedestal, 4 sections of upper moving guide rails are mutually flat
It goes and the shaping upper two sides that are placed in, upper moving guide rail and shaping upper is perpendicular.Two in shaping upper the same side move up
It moves and assembles a top shoe on guide rail, is i.e., there are two top shoe on one piece of upper mold pedestal, two top shoes are divided in shaping upper two
Side, top shoe can be moved along upper moving guide rail.There are two connecting plates on one piece of upper mold pedestal, connecting plate mutually hangs down with shaping upper
Directly, connecting plate is connected with upper reset spring 20 towards between the side and shaping upper side of shaping upper, and top shoe is along upper
Moving guide rail is mobile to shaping upper direction, can be resetted to connecting plate by upper reset spring, so that same upper mold bottom
Two positioning compression moulds on seat separate again.Positioning compression mould includes having the mould bottom 3 of positioning compression plane and protruding from positioning
The positioning die head 4 of the strip of clamping plane, positioning die head have the shape to match with corrugated plating big ripple inner surface configuration.
Guide rod 17 is provided between mould bottom and connecting plate, the retractable ends of nitrogen gas spring are connected with mould bottom, and positioning compression mould can be with
Opposite connecting plate has lifting action, provides active force by nitrogen gas spring, positioning compression mould with form lower die contact clamp plate when
With buffering, rigid collision is avoided, while enough pressing forces can be provided again.Limit plate is fixed in the outer side edges of upper mold pedestal
14, limit plate is vertically arranged, and the following side position of limit plate is further fixed on lateral limited post 19, and the end of limited post is for company
The outer side edges of fishplate bar, under upper reset spring effect after separation reset, limit column end is in contact connecting plate with connecting plate side
Connecting plate is limited.Rotary spacing column is the restraining position of adjustable connecting plate.
Lower die pedestal 13 is also 3 pieces, and the middle position of each piece of limiting plate is fixed with locating piece 11, each piece of lower die bottom
Two sections of lower moving guide rails 9 are fixed on seat, two lower moving guide rails are parallel to each other, two sliding blocks 8 are equipped on two lower moving guide rails,
Sliding block is across on two lower moving guide rails, and two sliding blocks are placed in locating piece two sides, locating piece be in two lower moving guide rails it
Between position.Molding lower die is separate structure, including left side mould and right side mould translatable close to each other or isolated, left side mould with
Right side mould is individually fixed on the sliding block of locating piece two sides.Orientation as shown in Figure 1, left side mould are fixed on the sliding block in left side
On, right side mould is fixed on the sliding block on right side.Lower reset spring 10 is provided between left side mould and locating piece for left side
Mould is resetted, and lower reset spring is provided between right side mould and locating piece for resetting to right side mould, so-called reset is logical
It crosses down reset spring and drives left side mould and the separation of right side mould.Vertical limit plate 14 is fixed in two outer side edges of lower die pedestal,
Limit plate carries out separation limit to left side mould and right side mould.The big ripple lower mode cavity 23 of recess, big wave are provided in molding lower die
Line lower mode cavity is used to accommodate the big ripple of corrugated plating, and the shape of big ripple lower mode cavity matches with big ripple appearance, big wave
Line lower mode cavity transverse direction connection forms the upper surface of lower die, and the position of big ripple lower mode cavity is corresponding with the positioning position of die head.It is left
Big ripple lower mode cavity on side form and right side mould is in a straight line, this straight line is equal with the length direction of lower moving guide rail
Row.Pre- pressing mold 15 is connected with by nitrogen gas spring on locating piece, pre- pressing mold is in the underface of shaping upper, the upper table of pre- pressing mold
Face is plane, and the pre- pressing mold on one piece of lower die pedestal is two, and two pre- pressing molds are separated from each other, and isolated position is just corresponding big
At the extended position of ripple lower mode cavity.The opposite side of two side forms is provided with arcwall face 5, and two arcwall face pairings just cross ripple
The external surface shape of plate ripplet.
Left side mould and right side mould lateral direction penetrating are provided with two standing screws 7, and the right end of standing screw is connected with right side mould
It connects, the left end of standing screw reaches outside the mould of left side, the left end fixed pallet 16 of two standing screws, sets among the upper side edge of supporting plate
It is equipped with groove, the shape of groove matches with big ripple appearance, and the position of groove is in big ripple lower die in molding lower die
At the extended position of chamber.Nitrogen gas spring 12 is provided between supporting plate and left side mould, nitrogen gas spring can balance left side mould and right side
The position of mould.Left side mould and the distance of right side mould separation just correspond to the width of ripplet flattening, form the moving distance of lower die
It is consistent with change width after ripplet bending.
Small footprint 25 is provided in two side forms, small footprint is internally provided with vertical guide post, change is fixed in small footprint
Shape mould 24, the upper end shape of distorted pattern match with isthmus (referring to Fig. 5) shape of corrugated plating variant part, and small footprint is in molding
The side of big ripple lower mode cavity in lower die, the two sides of small footprint are provided with support shoulder, and support shoulder is set to the left and right sides (left side in Fig. 3
Right direction), form in lower die and be provided with crank connecting link 28(referring to Fig. 3), crank connecting link point is at left and right sides of small footprint, crank
Connecting rod lower end is provided with round end 26, and the side of crank connecting link towards small footprint is provided with coupling recess portion 27, coupling recess portion and handle
The support shoulder of seat is in contact, and horizontal sliding slot is provided in lower side form, crank connecting link upper end and lower side form sliding slot cooperate, so that crank
Small end can be moved along sliding slot.Bootstrap block is provided with below crank connecting link, the upper surface of bootstrap block is the guidance to rise and fall
Face, when two side forms are close to each other, crank connecting link blunt end lifts small footprint under guide surface guidance, deformation when small footprint is lifted
The isthmus of variant part is in contact and is bent out at the top of mould with big ripple.
The application method of ripplet molding die is: molding die is assembled on portal frame, the upper baffle plate of shaping upper
Lift drive mechanism is connected, lift drive mechanism is driven using air pressure, setting guiding dress between upper baffle plate and portal frame top
It sets.Plate 29 is transported to ripplet molding equipment by pipeline after big ripple is bent, and plate is put into molding lower die
On, the big ripple 30 on plate snaps onto the big ripple lower mode cavity of molding lower die, first the side of plate positioned, so that
The position face shaping upper of first of ripplet of plate and pre- pressing mold, remaining position of plate is by pallet support.Under shaping upper
Row gradually lives plate with pre- pressing mold die clamp, while positioning compression mould also declines and molding lower die clamps plate, the positioning pressure at mould bottom
Tightly plate planar portions position is clamped in the upper surface of plane and molding lower die, and positioning die head snaps onto big ripple and big ripple lower mode cavity
Clamp big ripple.Shaping upper continues traveling downwardly, and is gradually curved plate, and plate can be drawn close towards ripplet direction, at this time positioning pressure
Tight mould and two side forms are drawn close along guide rail to ripplet direction therewith under the movement of plate, and positioning compression mould and two side forms will not
Plate is fixed, but the bending with plate at ripplet position occurs mobile and moves, and plate is avoided to stretch.Left side
Mould and right side mould are close to each other, until to fold completion ripplet with the die head of shaping upper curved to merging for two opposite arcwall faces
Song discharges shaping upper after keeping setting time, completes the bending of one of ripplet, then translates a spacing to carry out second small
The bending of ripple only completes the bending of one of ripplet every time, so repeats, completes the bending of all ripplets.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within the technology of the present invention side
The protection scope of case.
Claims (10)
1. a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding die, feature exist
In, comprising:
Shaping upper (2) has the die head to match with ripplet inner surface configuration；
It forms lower die (6), is separate structure, including left side mould and right side mould translatable close to each other or isolated, two side form phases
Pair side be provided with arcwall face, arcwall face is combined to form ripplet lower mode cavity, and the shape and corrugated plating of ripplet lower mode cavity are small
Corrugated outer surface shape matches；
Pre- pressing mold (15), between left side mould and right side mould, pre- pressing mold surface is shaping upper, and pre- pressing mold can be in molding
Mould declines and declines；
Positioning compression mould, quantity is equal with the quantity of left side mould and right side mould, and positioning compression mould and left side mould and right side mould are one by one
It corresponds to and can be translated with the translation of left side mould and right side mould.
2. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding according to claim 1
Mold, which is characterized in that the upper surface of pre- pressing mold is plane, and pre- pressing mold is in segmental structure, interval between section and section just with
The position of the big ripple of corrugated plating is corresponding, and the lower part of pre- pressing mold is connected with nitrogen gas spring (12), under nitrogen gas spring effect, in advance
The upper surface of pressing mold and the upper surface flush of molding lower die.
3. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding according to claim 1
Mold, which is characterized in that the big ripple lower mode cavity (23) for accommodating corrugated plating big ripple, positioning pressure are provided in molding lower die
Tight mold has the positioning die head (4) of strip, and the cross sectional shape for positioning die head matches with big ripple inner surface configuration, positioning pressure
The position of tight mould is corresponding up and down with the position of big ripple lower mode cavity.
4. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding according to claim 3
Mold, which is characterized in that positioning compression mould includes mould bottom (3), and mould bottom has positioning compression plane, and positioning mould head process goes out to position pressure
Tight plane, positioning compression plane are parallel with the molding upper surface of lower die.
5. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card according to claim 1 or 2 or 3 or 4
Ripplet molding die, which is characterized in that positioning compression mould is connected with nitrogen gas spring, and nitrogen gas spring is fixed on connecting plate (18)
On, guide rod (17) are provided between connecting plate and positioning compression mould, connecting plate is connected on upper moving guide rail by sliding block, on
Moving guide rail is fixed on upper mold pedestal；Molding lower die is connected on lower moving guide rail by sliding block, and lower moving guide rail is fixed on
On lower die pedestal；The length direction of upper moving guide rail and lower moving guide rail be positioning compression mould and left side mould, right side mould it is flat
Move direction.
6. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding according to claim 5
Mold, which is characterized in that upper moving guide rail is four, and four upper moving guide rails are divided into two groups, and shaping upper is in two groups and moves up
Position between dynamic guide rail, same group two on moving guide rail connect same sliding block；Lower moving guide rail is two, and pre- pressing mold is in
Two descend the position between moving guide rails, two sliding blocks are connected on lower moving guide rail, sliding block is across two lower moving guide rails.
7. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card according to claim 1 or 2 or 3 or 4
Ripplet molding die, which is characterized in that standing screw (7), standing screw one are provided through between left side mould and right side mould
End is connected with right side mould, and the other end of standing screw reaches outside the mould of left side and in the end fixed pallet, supporting plate and left side
Nitrogen gas spring is connected between mould.
8. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding according to claim 7
Mold, which is characterized in that left side mould and right side mould are separately connected reset spring, and reset spring is separated for left side mould and right side mould
It resets；Positioning compression mould connects reset spring, and reset spring is resetted for positioning compression mould.
9. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card according to claim 1 or 2 or 3 or 4
Ripplet molding die, which is characterized in that be provided with small footprint (25) in molding lower die, small footprint upper end is provided with for deforming
The big wave of corrugated plating is and the distorted pattern (24) of ripplet crossover sites, distorted pattern are in two side positions of pre- pressing mold.
10. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet according to claim 9 at
Pattern tool, which is characterized in that small footprint two sides are provided with the half the circumference of the sleeve where it joins the shoulder of stretching, are respectively provided with that there are two bent in left side mould and right side mould
Handle connecting rod (28), the two sides of two crank connecting links point in small footprint, one end of crank connecting link are to be slidably connected, crank connecting link it is another
One end is matched with the half the circumference of the sleeve where it joins the shoulder of small footprint, and bootstrap block is provided with below crank connecting link, and the upper surface of bootstrap block is the guidance to rise and fall
When face, left side mould and right side mould close to each other, small footprint is lifted under guide surface guidance in crank connecting link lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460075.2A CN109482738A (en) | 2018-11-30 | 2018-11-30 | Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460075.2A CN109482738A (en) | 2018-11-30 | 2018-11-30 | Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding die |
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| CN109482738A true CN109482738A (en) | 2019-03-19 |
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| CN201811460075.2A Pending CN109482738A (en) | 2018-11-30 | 2018-11-30 | Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding die |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018065685A1 (en) * | 2016-10-06 | 2018-04-12 | Gaztransport Et Technigaz | Bending machine for forming a corrugation in a metal sheet and method for using same |
| CN209379761U (en) * | 2018-11-30 | 2019-09-13 | 宁波凯荣船用机械有限公司 | Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding die |
-
2018
- 2018-11-30 CN CN201811460075.2A patent/CN109482738A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018065685A1 (en) * | 2016-10-06 | 2018-04-12 | Gaztransport Et Technigaz | Bending machine for forming a corrugation in a metal sheet and method for using same |
| CN209379761U (en) * | 2018-11-30 | 2019-09-13 | 宁波凯荣船用机械有限公司 | Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card ripplet molding die |
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Address after: No.168, Chunxiao Yonghe Road, Beilun District, Ningbo City, Zhejiang Province Applicant after: Ningbo Kairong new energy Co.,Ltd. Address before: No.168, Chunxiao Yonghe Road, Beilun District, Ningbo City, Zhejiang Province Applicant before: NINGBO KAIRONG SHIP MACHINERY CO.,LTD. |
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Effective date of registration: 20220505 Address after: 1 Versailles St. Remy lechevres, France Applicant after: Natural Gas Transportation Technology Co.,Ltd. Address before: No.168, Chunxiao Yonghe Road, Beilun District, Ningbo City, Zhejiang Province Applicant before: Ningbo Kairong new energy Co.,Ltd. |
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Application publication date: 20190319 |