CN209379744U - Film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line - Google Patents
Film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line Download PDFInfo
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- CN209379744U CN209379744U CN201822002833.8U CN201822002833U CN209379744U CN 209379744 U CN209379744 U CN 209379744U CN 201822002833 U CN201822002833 U CN 201822002833U CN 209379744 U CN209379744 U CN 209379744U
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Abstract
The utility model relates to a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production lines, including cut equipment, ripple bending apparatus and packaging facilities, are conveyed between each equipment by pipeline, are provided with positioning device on pipeline；Ripple bending apparatus includes big ripple bending apparatus and ripplet bending apparatus, and big ripple bending apparatus and ripplet bending apparatus include that upper die and lower die and bending driving mechanism, the shape of upper mold match with the inner surface configuration of ripple；Wherein: big ripple bending apparatus further includes two fixed lower side forms, and lower die and two downside die combinations just cross the outer surface of big ripple；Ripplet bending apparatus further includes two groups of positioning compression moulds and lower side form, and two downside die combinations just cross the outer surface of ripplet；The big ripple lower mode cavity for accommodating big ripple is provided on the lower side form of the two of ripplet bending apparatus.Using new ripple bending apparatus, plate is not caused to stretch, avoids the occurrence of local weak location.
Description
Technical field
The utility model belongs to sealing Thermo Isolation Technique field, is related to liquid storage and/or transport, such as cryogenic liquid.
The utility model in particular to liquified natural gas carrier (LNGC) field more particularly to a kind of film-type liquefied natural gas liquid
Cargo hold maintenance system stainless steel corrugated plate production line.
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 utility model provides a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line, packet
Each production equipment is included, is connected by pipeline, automatic transfer is realized, using new ripple bending apparatus, plate is not caused to draw
It stretches.
The utility model the specific technical proposal is: a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel wave
Card production line, including equipment, ripple bending apparatus and packaging facilities are cut, it is conveyed between each equipment by pipeline, conveying
Positioning device is provided on line；Ripple bending apparatus includes big ripple bending apparatus and ripplet bending apparatus, big ripple bending
Equipment and ripplet bending apparatus include clamping up and down and liftable upper die and lower die and bending driving mechanism, upper mold it is outer
Shape matches with the inner surface configuration of ripple, in which: big ripple bending apparatus further includes two fixed lower side forms, under lower die and two
Side form combines the outer surface for just crossing big ripple；Ripplet bending apparatus further include about two groups clamp and it is horizontally movable
Positioning compression mould and lower side form, two downside die combinations just cross the outer surface of ripplet；Two downsides of ripplet bending apparatus
The big ripple lower mode cavity for accommodating big ripple is provided on mould.
Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card includes vertical multiple tracks big ripple and multiple tracks
Ripplet, big ripple and ripplet intersect, and form variant part in crossover sites.It cuts when equipment is designed according to corrugated plating
Flattening size is cut, and after cutting equipment cutting, the size of last molding corrugated plating meets design requirement, subsequent not need
Deburring is carried out again；Ripple bending apparatus carries out ripple bending to the plate after cutting, according to the shape and structure of corrugated plating, and is divided into
Big ripple bending apparatus and ripplet bending apparatus first pass through big ripple bending apparatus and carry out big ripple bending, this reality to plate
There is multiple tracks big ripple with novel corrugated plating, big ripple bending apparatus only carries out the bending of one of big ripple, big ripple every time
Equipment includes upper and lower clamping and liftable upper die and lower die and two lower side forms, the mold cavity shapes and big ripple inner surface shape of upper mold
Shape matches, but lower die and two downside die combinations just form die cavity, the mold cavity shapes after combination and big ripple external surface shape
Match, that is to say, that the upper surface of lower die only has a matrix cavity of identical big ripple external surface top shape, such upper mold and
Lower die clamp plate after, under the action of upper mold die head and matrix cavity, plate two sides are upturned naturally, that is to say, that plate with
Two lower side forms mutually separate, and the scraping that such upper die and lower die clamp during plate declines between lower side form is small, are only being bent
It can just be in contact with lower side form when big ripple root, stretching will not be generated to plate when such big ripple is bent, protected
The plate thickness for holding big ripple position does not change, and also would not form weak part at big ripple position.Ripplet is in big wave
It is bent again after line bending, therefore to consider to avoid impacting big ripple when being bent ripplet, under big ripple
Die cavity can just accommodate big ripple, will not cause additional compression to molding big ripple and be deformed.Ripplet is curved
Bent equipment includes clamping up and down and liftable upper die and lower die, further includes two groups of positioning compression moulds and lower side form, small being bent
When ripple, upper die and lower die first clamp plate, and positioning compression mould and lower side form also clamp plate simultaneously, and big ripple is received into
In big ripple lower die, with the decline of upper die and lower die, two groups of positioning compression moulds and lower side form are moved closer to, until two lower side forms
Close up, form the matrix cavity of bending ripplet at this time, the movement of positioning compression mould and lower side form realizes plate bending small echo
Compensation when line, avoids plate stretch from weak part occur.It is small to the stretching of plate in the entire forming process of plate, plate
Performance be not in impaired；Plate is to be realized in transfer process by pipeline between each equipment, is arranged on pipeline
Positioning device, such plate can guarantee correct position when being transported in each equipment.
Further preferably, the upper mold two sides of big ripple bending apparatus are provided with alar part, and alar part has oblique compression
Face, lower die have skewed upper surface, and the tilt angle of seal face and the tilt angle of upper surface match, seal face with
Upper surface formed warp architecture after compressing plate.The upper surface of the alar part of upper mold two sides and lower side form cooperates for being bent big wave
The root position of line, the inclined seal face of alar part and the lower inclined upper surface of side form mainly bending when can to plate into
Went it is curved, it is so-called it is excessively curved be exactly that curved angle is greater than the final actual angle of plate, in screen resilience after such plate bending
Under the action of the right up to actual angle that finally needs of plate, avoid the screen resilience of plate from making sheet deformation.
Further preferably, the lower die upper surface of big ripple bending apparatus is provided with mutually fits with shape at the top of corrugated plating big ripple
The matrix cavity matched, the tangential direction of matrix cavity two sides just avoid the outer side edges of alar part.Big ripple upper mold die head and matrix cavity phase
After clamping plate material, plate deforms with the shape of matrix cavity, that is, plate two sides tilt, and such plate will not be sent out with lower side form
Raw friction, since the tangential direction of matrix cavity two sides just avoids the outer side edges of alar part, the plate tilted in this way will not be with the wing
Portion's outer side edges rub, and guarantee that plate surface is intact when big ripple bending.
Further preferably, it is fixed with pedestal between the two of big ripple bending apparatus lower side forms, pedestal is in big ripple bending
Elastic connection is used below the lower die of equipment, between pedestal and lower die and lower die is moved up and down.Between lower die and pedestal
Using elastic connection, so-called elastic connection enables lower die to move up and down, and when plate is not bent, that is, upper mold does not decline
When, lower die is to be jacked up, upper die lowering when, lower die declines in company with upper mold, and after the plate that flattens in this way is placed, upper mold is under
Mould can clamp plate, and certainly, the support that elastic connection herein gives lower die will be able to satisfy the curved needs of plate.
Further preferably, it is connected with guiding parts between two lower side forms, is provided in the lower die of big ripple bending apparatus
Lower walking guide groove, walks up and down guide groove and guiding parts matches.Guiding parts and the guide groove cooperation that walks up and down are used for
Lower die decline is oriented to, during guaranteeing decline, lower die and upper mold are remained in the same position, it may be assumed that lower die and upper mold are same
Step decline.The bending of one of big ripple is only completed every time.
Further preferably, two groups of positioning compression moulds of ripplet bending apparatus and lower side form are with respect to moving horizontally for lower die
Movement when being bent by plate and the servo-actuated state generated, positioning compression mould is horizontally arranged reset spring, lower side form water
Square to being provided with reset spring.The movement of positioning compression mould and lower side form is a kind of random movement method, and such plate is pressed by positioning
After tight mould and downside die clamp are lived, plate will not be fixed on to a fixed position, thus be avoided that plate when ripplet is curved
Time the phenomenon that stretching, when the bending ripplet of plate, the sheet material portions of ripplet two sides can be towards ripplet position
Mobile, the translation of positioning compression mould and lower side form is the movement by plate and pulls；Before clamping plate, positioning compression mould and
Lower side form is away from lower die, is positioned such that pressure die and downside die clamp live the position of plate far from the molding position of ripplet, determines
After position pressure die and lower side form are mobile, resetted by reset spring.The bending of one of ripplet is only completed every time.
Further preferably, it is provided with liftable small footprint in lower side form, be connected at the top of small footprint for big ripple
With the curved distorted pattern of ripplet crossover sites；It is additionally provided with close with two lower side forms in lower side form and moves and lift small footprint
Crank connecting link.
It further preferably, further include the equipment for coating film being set to before cutting equipment, equipment for coating film is covered using numerical control double-sided
Film device.As film-type liquefied natural gas cargo tank maintenance system stainless steel wave card, there is higher want to ripple plate surface
It asks, cannot have scratch, cannot have dirt in process, can not less not have to contact with hand with the materials such as its metal,
Because of special material, and product is LNG liquified natural gas carrier (LNGC) cargo tank inner wall to be used in, and does not allow quality accident occur,
In the process of manufacture, strict guarantee product that cannot influence its product characteristic because contacting other materials, thus cut equipment it
Plate two sides is carried out overlay film by equipment for coating film, plays the role of protection by preceding setting equipment for coating film.Overlay film is processed to product
Cheng Zhong, then arrive finished product so that product in End-Customer before use, the film must retain it is intact, only at the scene, in use,
When particular surroundings requires and takes special protection, just allow to cancel the film.
It further preferably, further include shaping device before being set to packaging facilities, shaping device includes shaping upper mold, whole
Shape lower die and shaping driving mechanism.Big ripple and ripplet with vertical interlaced after plate bending, big ripple and ripplet it
Between form variant part, always will appear deformation slightly in bending process, at this time pass through shaping device carry out shaping, such big ripple
It meets the requirements with the shape of ripplet, flatness meets product design and service precision requirement.
It further preferably, further include chamfering device and pressure shoulder equipment, pressure shoulder equipment is in front of packaging facilities, chamfering device
Before pressure shoulder equipment.The size of one piece of corrugated plating has setting, and a LNG carrier needs to use muti-piece ripple
Plate, in order to make one entirety of LNG tank, needing to splice between corrugated plating cannot interspace, therefore between corrugated plating
Have overlapping, it is contemplated that the size Control of overlapping, so production line further includes pressure shoulder equipment, so-called pressure shoulder is exactly in corrugated plating
Side extrude shoulder, as long as the size of shoulder is unified, adjacent corrugated plating is overlapped in shoulder position, and the size of overlapping is also system
One；Since corrugated plating has vertical big ripple and ripplet, pressure shoulder twice, plate are had in the position in plate corner
Every one side only need a pressure shoulder, after chamfering device is set, it will the position for pressure shoulder twice occur carries out chamfering, avoids
Occurs pressure shoulder twice when pressure shoulder.
The beneficial effects of the utility model are: using new big ripple bending apparatus and ripplet bending apparatus, not to plate
Material causes to stretch, and avoids the occurrence of local weak location.
Detailed description of the invention
Fig. 1 is a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel wave card local shape of the utility model
Schematic diagram；
Fig. 2 is a kind of manufacture craft schematic diagram of the utility model；
Fig. 3 is a kind of big ripple bending apparatus structural schematic diagram of the utility model；
Fig. 4 is the utility model big ripple bending process schematic diagram；
Fig. 5 is the utility model ripplet bending apparatus structural schematic diagram；
Fig. 6 is the side view of the utility model ripplet bending apparatus；
Fig. 7 is the cross-sectional view of the utility model ripplet bending apparatus；
Fig. 8 is the utility model ripplet bending process schematic diagram；
Fig. 9 is a kind of big ripple pressure shoulder device structure schematic diagram of the utility model；
Figure 10 is a kind of ripplet pressure shoulder device structure schematic diagram of the utility model；
A kind of shaping device structural schematic diagram of Figure 11 the utility model；
In figure: 1, corrugated plating, 2, big ripple, 3, ripplet, 4, chamfering, 5, pressure shoulder, 6, variant part, 7, equipment for coating film, 8,
Cut equipment, 9, big ripple bending apparatus, 10, ripplet bending apparatus, 11, shaping device, 12, chamfering device, 13, pressure shoulder sets
It is standby, 14, packaging facilities, 15, big ripple upper mold, 16, alar part, 17, big ripple upper mold die head, 18, matrix cavity, 19, under big ripple
Mould, 20, walk up and down guide groove, 21, rib, 22, connecting column, 23, deflector roll, 24, post holes, 25, spring, 26, spring stack, 27,
Pedestal, 28, lower side form, 29, shoulder block, 30, connecting hole, 31, lower die face, 32, plate, 33, mistake bent angle, 34, upper baffle plate, 35,
Ripplet upper mold, 36, ripplet lower die, 37, side form under ripplet, 38, sliding block, 39, guide rail, 40, upper junction plate, 41, big wave
Line lower mode cavity, 42, positioning compression mould, 43, standing screw, 44, nitrogen gas spring, 45, supporting plate, 46, small footprint, 47, reset spring,
48, arcwall face, 49, crank connecting link, 50, coupling recess portion, 51, round end, 52, big ripple pressure shoulder upper mold, 53, big ripple shoulder pressing die
Chamber, 54, plane pressure shoulder chamber, 55, big ripple pressure shoulder die head, 56, side baffle, 57, plane pressure shoulder portion, 58, big ripple pressure shoulder lower die,
59, ripplet pressure shoulder upper mold, 60, pilot hole, 61, ripplet pressure shoulder die cavity, 62, guide post, 63, ripplet pressure shoulder die head, 64,
Ripplet pressure shoulder lower die, 65, upper mold mounting plate, 66, plane rectification mold, 67, ripple correction mold, 68, the installation of lower mold
Plate, 69, distorted pattern.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the utility model will be further described.
Embodiment:
A kind of film-type liquefied natural gas cargo tank maintenance system stainless steel wave card 1(is referring to Fig. 1), it is generally rectangular
Shape, length direction are provided with three big ripples 2 to arch upward, and three big ripples are parallel to each other equidistantly, and width direction is provided with nine
The ripplet 3 to arch upward is parallel to each other between nine ripplets equidistant, the direction phase that arches upward of arch upward direction and the big ripple of ripplet
Together, ripplet is mutually perpendicular to intersect with big ripple, and forms variant part 6 in crossover sites.Big ripple corresponds at the top of ripplet
Position is the top of variant part, which is higher than big ripple top, is formed along two sides of the big ripple length direction at the top of this recessed
Portion, along big ripple width direction, the top two sides form the isthmus to middle shrinkage.Pressure is provided in one long side of corrugated plating
Shoulder 5, is provided with pressure shoulder on a short side of corrugated plating, and pressure shoulder refers to that plate forms a ladder through bending, a corrugated plating it is non-depressed
Shoulder side is inserted into the pressure shoulder of another corrugated plating, and the inner surface flush of corrugated plating can be kept after insertion.The one of corrugated plating
A corner carries out chamfering 4, which is the position of the pressure shoulder of long side and the pressure shoulder intersection of short side, after chamfering, the pressure shoulder of long side and
It will not overlap between the pressure shoulder of short side.
A kind of film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line (referring to fig. 2), according to suitable
Sequence successively includes equipment for coating film 7, cuts equipment 8, big ripple bending apparatus 9, ripplet bending apparatus 10, shaping device 11, falls
Angle equipment 12, pressure shoulder equipment 13 and packaging facilities 14 are conveyed by pipeline between each equipment, and positioning dress is provided on pipeline
It sets.
Equipment for coating film uses numerical control double-sided equipment for coating film, disposable two-sided overlay film.
It cuts equipment and uses numerical control cutting equipment.
Big ripple bending apparatus (referring to Fig. 3) includes clamping up and down and liftable big ripple upper mold 15 and big ripple lower die
19 and bending driving mechanism, the shape of big ripple upper mold matches with the inner surface configuration of big ripple, and big ripple upper mold has two
Alar part 16, two alar parts are in big ripple upper mold root position, which corresponds to the root position of corrugated plating big ripple.In big ripple
Two alar part of mould have towards lower side form upper surface seal face, seal face be skewed (shown in Fig. 3), seal face tilt so that
Alar part both sides of the edge are downward.The two sides of big ripple lower die are provided with fixed lower side form 28, solid between the bottom of side forms under two
Surely there is pedestal 27, pedestal is in inverted T-shaped, and the side including intermediate vertical part and prominent two sides, the bottom of lower side form is sitting in pedestal two
On side.It is laterally fixed with two rows of connecting columns 22 on the vertical part of pedestal, three row's connecting holes 30 are horizontally arranged on lower side form, wherein
Two rows of connecting column plug fixings on lower two rows connecting hole and pedestal, two descend between the connecting hole of the most upper rows of side form to be connected with one
Connecting column is arranged, is equipped with deflector roll 23 on the most upper row connecting column, deflector roll is in the position of pedestal vertical part upper space or more.Bottom
The upper space of seat vertical part is fixed with vertical spring stack 26, spring 25 is provided in spring stack, the upper end of spring reaches bullet
Outside spring column upper end, the position of spring stack and being staggeredly located out for connecting column.The opposite sides in two lower side form tops be provided with greatly
The lower die face 31 for the concave arc shape that ripple two sides external surface shape matches, the opposite side of two lower side forms are in below lower die face
Position is provided with shoulder block 29, and the two sides of shoulder block and lower side form are perpendicular.The upper surface of lower side form is oblique, this it is skewed with
The inclination of big ripple upper mold seal face matches, so that seal face is parallel with lower side form upper surface.Big ripple lower die is in bottom
The lower die face of the top of seat vertical part, two lower side forms is in big ripple lower die two sides, and big ripple lower die upper surface is provided with recessed
The matrix cavity 18 to match with big ripple appearance top shape.Big ripple lower die lower part two sides are provided with to side rib outstanding
21, for the maximum width of big ripple lower die in the position where rib, the maximum width is just equal with the width of pedestal vertical part.
The guide groove 20 that walks up and down is set in big ripple lower die, and the lower part and two sides for the guide groove that walks up and down are opening, walk up and down and lead
It is corresponding with the position of deflector roll on two lower side forms to the position of slot, the size for the guide groove that walks up and down just with deflector roll phase
Match.Big ripple lower die is additionally provided with post holes 24, and in the lower surface of big ripple lower die, the position of post holes is in up and down the opening of post holes
Between walking guide groove and corresponding with the position of pedestal upper spring column, the aperture of post holes and the outer diameter of pedestal upper spring column are mutually fitted
To match, spring stack is inserted into post holes, and the upper end of spring is in contact with the upper end of post holes, under the action of the spring, big ripple lower die
Upper surface and lower side form upper surface flush.The arc length of the width of big ripple upper mold alar part, big ripple lower die matrix cavity, it is full
Foot: when big ripple upper mold and big ripple lower die clamp plate, plate bends along the shape of matrix cavity, and plate two sides are upward
It tilts, the upper surface of the plate of tilting separates with the side edge of alar part, will not contact with each other.The size of two lower side form shoulder blocks
Meet, for big ripple lower die when rising between side form under two, shoulder block just blocks the rib of big ripple lower die two sides, and shoulder block is to big
The rising of ripple lower die is limited.After big ripple lower die drops to bottom, the lower die face of two lower side forms and the cavity plate of big ripple lower die
The shape of chamber composition just matches with the external surface shape of plate big ripple.Bending mechanism is to execute big ripple upper mold to go up and down
Mechanism generally uses hydraulicefficiency elevation structure.
The working method of big ripple bending apparatus is (referring to fig. 4): plate 32 being placed into big ripple lower die, by fixed
Position equipment positions the side of plate, determines the curved position of big ripple, then big ripple upper mold downlink, big ripple upper mold
Die head and big ripple lower die clamp plate, as big ripple upper mold continues traveling downwardly, matrix cavity of the plate along big ripple lower die
Shape bends, and plate two sides tilt.Then compressed spring declines together for big ripple upper mold and big ripple lower die, decline near
When bottom, the upper side edge of the lower die face 31 on lower side form is in contact and by plate towards being bonded in big ripple with plate lower surface
The outer apparent bearing of mould is bent, after big ripple lower die is fallen into place, the upper table of the seal face of the alar part of big ripple upper mold and lower side form
Face folds, and then keeps setting time, completes big ripple bending.Plate two sides upwarp after gradually under it is curved, centre is by horizontal
Position, be then bent again one cross bent angle 33.When big ripple upper mold separates upwards, under the action of plate bounce,
Big ripple two sides gradually flatten.The bending of one of big ripple is only carried out each time, after one of big ripple bending, between translation one
Away from, then the bending of second big ripple is carried out, it so repeats, the bending until completing all big ripples.
Ripplet bending apparatus includes up and down for completing ripplet bending, ripplet bending apparatus (referring to Fig. 5 Fig. 6)
Clamping and liftable ripplet upper mold 35 and ripplet lower die 36 and bending driving mechanism.Ripplet upper mold is fixed on upper mold bottom
On plate 34, the shape of the die head of ripplet upper mold matches with the inner surface configuration of ripple.Upper baffle plate Shanghai is fixed with guide rail
39, sliding block 38 is equipped on guide rail, ripplet upper mold is fixed on baffle plate middle position, and guide rail is two sections point in ripplet
Two side position of upper mold is each equipped with a sliding block in each section guide rail.It is fixed with take-up housing on sliding block, is provided with nitrogen on take-up housing
Gas spring 44 is fixed with upper junction plate 40 on nitrogen gas spring telescopic end, positioning compression mould 42, upper connection is fixed on upper junction plate
Guide rod is provided between plate and take-up housing, under the action of nitrogen gas spring, positioning compression mould can rise up and down along guide rod
Drop.Positioning compression mold has the shape to match with the inner surface configuration of the big ripple of corrugated plating.The side of take-up housing and small echo
Reset spring 47 is connected between the side of line upper mold, reset spring is pressure spring, under the action of reset spring, take-up housing with
Positioning compression mould is mobile to the direction far from ripplet upper mold.The two sides of upper baffle plate are further fixed on limit plate, on limit plate
It is fixed with limited post, limited post is horizontally disposed, and the end of limited post and the outer side edges of take-up housing align for take-up housing
Maximum outward position is limited.
Ripplet lower die is corresponding with the position of ripplet upper mold, and ripplet lower die is segmentation structure, isolated position
Just correspond to the position of big ripple, the upper surface of ripplet lower die be it is planar, ripplet lower die connection nitrogen gas spring can simultaneously rise
Drop, nitrogen gas spring are fixed on ripplet lower die holder by spring base.Guide rail 39 is further fixed on ripplet lower die holder, on guide rail
Two pieces of sliding blocks 38 are equipped with, are fixed with side form 37 under ripplet on sliding block, two sliding blocks are placed in the two sides of ripplet lower die, and two is small
Reset spring 47 is provided under ripple between the side of side form and the side of spring base, under the action of reset spring, two small echos
Side form is far from ripplet lower die under line.Standing screw 46 is installed between two ripplets, under standing screw one end and right side ripplet
The outer side edges of side form (right side in Fig. 6) mutually position, and standing screw left end is fixed with supporting plate 45, under the ripplet in left side side form with
Nitrogen gas spring 44 is connected between supporting plate.It is provided on side form under ripplet under recessed big ripple compatible with big ripple shape
Die cavity 41, supporting plate upper side edge are provided with recessed big ripple lower mode cavity compatible with big ripple shape.The bending of this ripplet is set
Standby is to use after big ripple bending, therefore be provided with three big ripple lower mode cavities under ripplet on side form, and supporting plate has three pieces,
Three blocks of supporting plates respectively correspond three big ripple lower mode cavities.The top of the opposite side of side form is provided with arcwall face under two ripplets
48, the external surface shape of corrugated plating ripplet is just crossed after two arcwall face pairings (referring to Fig. 6).In the effect of reset spring
Under, side form is separated from each other under two ripplets, and the distance that side form separates under two ripplets is exactly the length of corrugated plating ripplet flattening
Degree, ripplet lower die rise under nitrogen gas spring effect, the upper surface phase of the upper surface of ripplet lower die and side form under ripplet
Concordantly.Small footprint 46 is provided under two ripplets in side form, small footprint is internally provided with guide post, deformation is fixed in small footprint
Mould 69, the upper end shape of distorted pattern match with recess portion (referring to Fig. 1) shape of corrugated plating variant part 6, and small footprint is in small echo
Under line in side form big ripple lower mode cavity side, the two sides of small footprint be provided with support side, supporting plate be set to the left and right sides (in Fig. 7
Left and right directions), be provided with crank connecting link 49(referring to Fig. 7 in side form under ripplet), crank connecting link point is in small footprint or so
Two sides, crank connecting link lower end are provided with round end 51, and the side of crank connecting link towards small footprint is provided with coupling recess portion 50, connect recessed
Portion is in contact with the support side of small footprint, is provided with horizontal sliding slot under ripplet in side form, under crank connecting link upper end and ripplet
Side form is slidably connected, and crank connecting link upper end is moved along sliding slot, bent when side form is close to each other under two ripplets
The blunt end of handle connecting rod moves up and lifts small footprint, and the upper end of crank connecting link is displaced outwardly, deformation when small footprint is lifted
The recess portion of variant part is in contact and is bent out at the top of mould with big ripple.
The working method of ripplet bending apparatus is (participating in Fig. 8): plate has pipeline conveying after big ripple is bent
To at ripplet bending apparatus, plate is put into ripplet lower die, the big ripple on plate snaps onto side form under ripplet
Big ripple lower mode cavity in, ripplet upper mold downlink gradually clamps plate with ripplet lower die, while positioning compression mould also declines
And it snaps onto big ripple and lives big ripple with die clamp on the downside of ripplet.Ripplet upper mold continues traveling downwardly, and is gradually curved plate, plate
Can be drawn close towards ripplet direction, at this time under positioning compression mould and ripplet side form under the movement of plate therewith along guide rail to
Ripplet direction is drawn close, and side form is close under two ripplets, and the blunt end of crank connecting link moves up and lift small footprint, crank
The upper end of connecting rod is displaced outwardly, and is in contact with big ripple at the top of distorted pattern when small footprint is lifted and is bent out the recessed of variant part
Portion.It is same keep setting time after discharge ripplet upper mold, complete the bending of one of ripplet, then translate a spacing and carry out the
The bending of two ripplets only completes the bending of one of ripplet every time, so repeats, completes the bending of all ripplets.
For shaping device for completing ripple correction after bending, shaping device (referring to Figure 11) includes upper mold mounting plate
65, lower mold mounting plate 68, plane rectification mold 66 and ripple correct mold 67.Upper mold mounting plate and lower mold mounting plate are adopted
With identical structure, the two be can be interchanged.It is fixed there are four pilot hole 60 on upper mold mounting plate, it is fixed on lower mold mounting plate
Guide post 62, guide post and guiding hole site correspond, and guide post and pilot hole cooperate, and carry out when shaping
It is oriented to while guaranteeing upper mold and lower mold cooperation precision.Plane rectification mold includes under plane rectification upper mold and plane rectification
Mold, ripple correction mold includes big ripple correction upper mold, big ripple corrects lower mold, ripplet corrects upper mold and small echo
Line corrects lower mold.Wherein upper mold is each attached on upper mold mounting plate, and lower mold is each attached on lower mold fixed plate, on
Mold and lower mold correspond to each other.It is provided with guide groove on upper mold mounting plate and lower mold mounting plate, in installation upper mold
It is oriented to when with lower mold.Plane rectification mold is made of polyfluortetraethylene plate, and ripple corrects mold and uses brass
It is made, is in contact using soft material with corrugated plating, avoid causing secondary injury to ripple plate surface.Ripple correction mold is intersecting
The shape at position match with the shape of corrugated plating variant part.Plane rectification mold and ripple correction mold can be according to reality
The size and shape of corrugated plating are replaced.
Pressure shoulder equipment is used to complete the pressure shoulder work of corrugated plating side, including big ripple pressure shoulder equipment (referring to Fig. 9) and small
Ripple pressure shoulder equipment (referring to Figure 10).
Big ripple pressure shoulder equipment includes big ripple pressure shoulder upper mold 52 and big ripple pressure shoulder lower die 58, and big ripple pressure shoulder upper mold is in
T shape, is wherein provided with the big ripple pressure shoulder die cavity 53 of indent on vertical part, the two sides of big ripple pressure shoulder die cavity are corrugated plating side
Side plane pressure shoulder upper mold, the end edge of big ripple pressure shoulder die cavity are provided with big ripple and compress upper cavity, and big ripple compresses upper cavity
The big ripple outer dimension of geomery and corrugated plating matches, and the size of big ripple pressure shoulder die cavity is greater than big ripple shape ruler
Very little, size difference is just the wall thickness of big ripple.Big ripple pressure shoulder lower die is T-shaped, and the big ripple of protrusion is wherein provided on vertical part
Pressure shoulder die head 55, the end edge of big ripple pressure shoulder die head are that big ripple compresses lower die head, and the two sides of big ripple pressure shoulder die head are ripple
Plate side panels pressure shoulder lower die, the outer dimension of big ripple pressure shoulder lower die head and the big ripple inner surface size kissing of corrugated plating
It closes, the size of big ripple pressure shoulder die head is greater than big ripple inner surface size, and size difference is just the wall thickness of big ripple.Big ripple pressure
The side of shoulder lower die is provided with side baffle 56, and side baffle is higher by the top of big ripple pressure shoulder lower die vertical part, side baffle and big ripple
The end face of pressure shoulder lower die head fits.Big ripple pressure shoulder die cavity and totally three groups of big ripple pressure shoulder die head in the present embodiment.
Ripplet pressure shoulder equipment includes ripplet pressure shoulder upper mold 59 and big ripple pressure shoulder lower die 64, and ripplet pressure shoulder upper mold is in
T shape, is wherein provided with the ripplet pressure shoulder die cavity 61 of indent on vertical part, the two sides of ripplet pressure shoulder die cavity are corrugated plating side
Side plane pressure shoulder upper mold, the end edge of ripplet pressure shoulder die cavity are provided with ripplet and compress upper cavity, and ripplet compresses upper cavity
The ripplet outer dimension of geomery and corrugated plating matches, and the size of ripplet pressure shoulder die cavity is greater than ripplet shape ruler
Very little, size difference is just the wall thickness of ripplet.Ripplet pressure shoulder lower die is T-shaped, and the ripplet of protrusion is wherein provided on vertical part
Pressure shoulder die head 63, the end edge of ripplet pressure shoulder die head are that ripplet compresses lower die head, and the two sides of ripplet pressure shoulder die head are ripple
Plate side panels pressure shoulder lower die, the outer dimension of ripplet pressure shoulder lower die head and the ripplet inner surface size kissing of corrugated plating
It closes, the size of ripplet pressure shoulder die head is greater than ripplet inner surface size, and size difference is just the wall thickness of ripplet.Ripplet pressure
The side of shoulder lower die is provided with side baffle 56, and side baffle is higher by the top of ripplet pressure shoulder lower die vertical part, side baffle and ripplet
The end face of pressure shoulder lower die head fits.Setting is set in ripplet pressure shoulder lower die there are two pilot hole 60 in ripplet pressure shoulder upper mold
Guide post 62 there are two setting, guide post is corresponding with the position of pilot hole, and size is mutually coincide, and guide post is in the outer of side baffle
Side, therefore the width of ripplet pressure shoulder upper mold setting pilot hole is greater than the width of the vertical part other side.Ripplet pressure in the present embodiment
Shoulder die cavity and totally nine groups of ripplet pressure shoulder die head.
Packaging facilities is individually packed using foaming.
Be described below a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel wave card manufacture craft (referring to
Fig. 2), including it is overlay film, cutting, big ripple bending, ripplet bending, shaping, chamfering, big ripple pressure shoulder, ripplet pressure shoulder, last
The step of being packed.Before overlay film, first raw material are flattened with flattening machine, two-sided overlay film, coating layer are carried out to plate after flattening
With a thickness of 0.05mm, the defects of overlay film must reach smooth, uniform, and there can be no folds, bubble on surface.
It is cut after overlay film according to corrugated plating flattening size.
Progress big ripple bending at big ripple bending apparatus is transported to by pipeline after cutting, big ripple bending used
The mode for being flexing to compensate for rebound carries out.
Ripplet bending apparatus is transported to by pipeline after big ripple bending and carries out ripplet bending, ripplet bending is adopted
It is carried out with the mode of translation compensation.
It is overturn after ripplet bending, so that big ripple and the protrusion direction of ripplet are upward, then passes through pipeline
It is transported at shaping device and is corrected, mold is corrected to big ripple, ripplet and plane by plane rectification mold and ripple
It is corrected.Upper mold mounting plate moves down, and after Correction Die contact corrugated plating and reaches predetermined pressure, when pressure maintaining is set
Between, complete correction.
Edge cutting equipment is transported to by pipeline after the completion of correction and carries out chamfering.
Big ripple pressure shoulder equipment is transported to by pipeline after chamfering and carries out big ripple pressure shoulder, where the end edge of big ripple
Side abuts against with side baffle and is positioned, and big ripple snaps on big ripple pressure shoulder die head, then under big ripple pressure shoulder upper mold
Row, big ripple pressure shoulder die cavity entangle big ripple appearance, and then big ripple pressure shoulder upper mold continues traveling downwardly, until big ripple pressure shoulder upper mold
Reach predetermined pressure between big ripple pressure shoulder lower die, after pressure maintaining setting time, big ripple pressure shoulder is completed.
Progress ripplet pressure shoulder is transported at ripplet pressure shoulder equipment then through pipeline, when ripplet pressure shoulder
Equally positioned by the side baffle in ripplet pressure shoulder lower die.
Pass through pipeline after the completion of ripplet pressure shoulder and be transported at packaging facilities and is individually packed.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to the utility model technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within
The protection scope of technical solutions of the utility model.
Claims (10)
1. a kind of film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line, it is characterised in that: including cutting out
Equipment, ripple bending apparatus and packaging facilities are cut, is conveyed between each equipment by pipeline, positioning dress is provided on pipeline
It sets；
Ripple bending apparatus includes big ripple bending apparatus and ripplet bending apparatus, and big ripple bending apparatus and ripplet are bent
Equipment includes upper and lower clamping and liftable upper die and lower die and bending driving mechanism, the shape of upper mold and the inner surface of ripple
Shape matches；
Wherein: big ripple bending apparatus further includes two fixed lower side forms, and lower die and two downside die combinations just cross big ripple
Outer surface；Ripplet bending apparatus further includes about two groups and clamps and horizontally movable positioning compression mould and lower side form, and two
Downside die combination just crosses the outer surface of ripplet；It is provided on the lower side form of the two of ripplet bending apparatus big for accommodating
The big ripple lower mode cavity of ripple.
2. film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line according to claim 1,
Be characterized in that: the upper mold two sides of big ripple bending apparatus are provided with alar part, and alar part has oblique seal face, lower die
There is skewed upper surface, the tilt angle of seal face and the tilt angle of upper surface match, and seal face and upper surface compress
Warp architecture was formed after plate.
3. film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line according to claim 2,
Be characterized in that: the lower die upper surface of big ripple bending apparatus is provided with cavity plate compatible with shape at the top of corrugated plating big ripple
Chamber, the tangential direction of matrix cavity two sides just avoid the outer side edges of alar part.
4. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card production according to claim 1 or 2 or 3
Line, it is characterised in that: be fixed with pedestal between the lower side form of the two of big ripple bending apparatus, pedestal is in big ripple bending apparatus
Elastic connection is used below lower die, between pedestal and lower die and lower die is moved up and down.
5. film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line according to claim 4,
It is characterized in that: being connected with guiding parts between two lower side forms, the guiding that walks up and down is provided in the lower die of big ripple bending apparatus
Slot, walks up and down guide groove and guiding parts matches.
6. film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line according to claim 1,
Be characterized in that: the two groups of positioning compression moulds and lower side form of ripplet bending apparatus with respect to moving horizontally for lower die are bent by plate
When movement and the servo-actuated state that generates, positioning compression mould is horizontally arranged reset spring, and lower side form is horizontally arranged
There is reset spring.
7. film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line according to claim 1 or 6,
It is characterized by: being provided with liftable small footprint in lower side form, it is connected at the top of small footprint for big ripple and ripplet
The curved distorted pattern of crossover sites；It is additionally provided with close with two lower side forms in lower side form and moves and lift the crank company of small footprint
Bar.
8. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card described according to claim 1 or 2 or 3 or 6
Production line, it is characterised in that: further include the equipment for coating film being set to before cutting equipment, equipment for coating film uses numerical control double-sided overlay film
Equipment.
9. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card described according to claim 1 or 2 or 3 or 6
Production line, it is characterised in that: further include the shaping device before being set to packaging facilities, shaping device includes shaping upper mold, whole
Shape lower die and shaping driving mechanism.
10. film-type liquefied natural gas cargo tank maintenance system stainless steel wave card described according to claim 1 or 2 or 3 or 6
Production line, it is characterised in that: further include chamfering device and pressure shoulder equipment, pressure shoulder equipment is in front of packaging facilities, chamfering device
Before pressure shoulder equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002833.8U CN209379744U (en) | 2018-11-30 | 2018-11-30 | Film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822002833.8U CN209379744U (en) | 2018-11-30 | 2018-11-30 | Film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482725A (en) * | 2018-11-30 | 2019-03-19 | 宁波凯荣船用机械有限公司 | Film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line and manufacture craft |
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2018
- 2018-11-30 CN CN201822002833.8U patent/CN209379744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482725A (en) * | 2018-11-30 | 2019-03-19 | 宁波凯荣船用机械有限公司 | Film-type liquefied natural gas cargo tank maintenance system stainless steel corrugated plate production line and manufacture craft |
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Address after: No.1, building 2, No.168, Chunxiao Yonghe Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Kairong new energy Co., Ltd Address before: 315830 No. 168 Chunxiao Yonghe Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO KAIRONG SHIP MACHINERY Co.,Ltd. |
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Effective date of registration: 20220510 Address after: 1 Versailles St. Remy lechevres, France Patentee after: Natural Gas Transportation Technology Co.,Ltd. Address before: No.1, building 2, No.168, Chunxiao Yonghe Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: Ningbo Kairong new energy Co.,Ltd. |
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