CN110040329A - The three-piece can of polygon geometry can body - Google Patents
The three-piece can of polygon geometry can body Download PDFInfo
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- CN110040329A CN110040329A CN201910392624.5A CN201910392624A CN110040329A CN 110040329 A CN110040329 A CN 110040329A CN 201910392624 A CN201910392624 A CN 201910392624A CN 110040329 A CN110040329 A CN 110040329A
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- lid
- seaming
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- jar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
- B65D17/34—Arrangement or construction of pull or lift tabs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
Abstract
The present invention relates to a kind of three-piece cans of polygon geometry can body, the three-piece can body of the polygon geometry can body is first welded into cylindric can body with bonding machine, the geometry can body of polygon is configured to by mold harmomegathus again, can body and easy-to-draw upper cover, closely sealed group of bottom cover seaming is combined into, top and bottom are necking segment, at the top and bottom of can body at necking segment with tank upper and lower covers seaming snug fit, the closely sealed clustered operation step of seaming is: upper cover and lower cover are in the conveying by track, it is fallen in tank mouth to lid with lid of being self-possessed, it is transported at seaming mechanism again, by interior pinch rollers at seaming mechanism, outer clamp presses idler wheel, it is driven the rotating disc composition of jar, internal trolley pushes down lid and can body at seaming mechanism, outer idler wheel is toward internal trolley direction clamp, the rotating disc work of seaming mechanism is rotated with jar, interior pinch rollers pressure Lid and can body, rotating disc drive can body rotation, metal phase at lid and jar collar extension border mutually crimp into the closely sealed forming of hook conjunction under outer idler wheel clamp, is able to the packaging tank body of closed snug fit.
Description
Technical field
The present invention relates to a kind of three-piece cans of polygon geometry can body.
Background technique
It is circle that the tank body of three-piece can pop can currently on the market, which views from above, the tank body of this three-piece can pop can
It is to be welded to be formed by welding machine edge rolling, the tank body of the three-piece can pop can viewed from above is that the appearance of circular product is single, feel
Difference, and tank body voltage endurance capability is weaker, easily occurs squeezing leakage.
Therefore, it is necessary to improve.
Summary of the invention
The object of the present invention is to provide a kind of three-piece can of new-type polygon geometry can body, the purpose of the present invention
It is achieved by the following technical solution:
The three-piece can of polygon geometry of the invention, the three-piece can of the polygon geometry by can body, it is easy-to-draw on
Lid, bottom cover are constituted, and can body and bottom cover are all that tinplate is used to be made for material, and easy-to-draw upper cover is aluminum alloy materials production,
Can body total height is 122mm ± 0.3, and can body first with bonding machine is welded into cylindric can body, then is configured to by mold harmomegathus polygon
The geometry can body of shape, can body and easy-to-draw upper cover, closely sealed group of bottom cover seaming be combined into, top and bottom are necking segment, can body
With tank upper and lower covers seaming snug fit at the necking segment of top and bottom, the closely sealed clustered operation step of seaming is: upper cover and lower cover
In the conveying by track, fallen in tank mouth to lid with lid of being self-possessed, then be transported at seaming mechanism, by internal pressure at seaming mechanism
Tight idler wheel, outer clamp press idler wheel, are driven the rotating disc composition of jar, and internal trolley pushes down lid and can body at seaming mechanism, outside
Idler wheel is rotated toward internal trolley direction clamp, the rotating disc work of seaming mechanism with jar, and interior pinch rollers are pressing against lid and can body,
Rotating disc drives can body rotation, under outer idler wheel clamp by metal phase at lid and jar collar extension border mutually crimp hook conjunction it is closely sealed at
Shape is able to the packaging tank body of closed snug fit, and diameter is 62.6mm ± 0.2, the straight figure with tank at can body top neck
Place is connected to the straight figure of tank by R3 and R4 necking down forming transition, is in the geometry of multilateral shape at the straight figure of can body: 12
The side opposite the angle of a side length 11.4mm having a size of 65mm ± 0.2, with the side opposite the angle of another 12 side length 5.8mm having a size of 65.8mm ±
0.2, it is connected with 24 R1 transition, constitutes the solid barrel-shaped polygon geometric shapes of shelly-shaped cylinder, on can body is easy-to-draw
Cover and bottom cover section seaming is closely sealed be combined into after be height be 3mm, diameter is 65mm ± 0.2, and can body and bottom cover seaming are closely sealed
After being combined into, entire tank body forms the shelly-shaped cylinder bucket shaped containers of solid geometry polygon;
The three-piece can of the polygon geometry is by can body production method:
The can body of the straight tube tank diameter of first step welding traditional standard first；
Second step carries out necking down to straight tube can body both ends using the characteristic of the extending plasticity of tinplate metal, under keeping lower step subsequent
Overturning process and upper overturning process carry out preparation work；Necking down process is: can body passes through at necking down mechanism, to jar external mold
At internal shaping between the gap of inner mould core, with the contraction distortion of stretching plastic, the process of design size, necking down are reached to product
Mechanism is to push up tank block composition by inner mould core, external mold, and can body makes can body with the receipts of stretching plastic by the gap of inner mould core and external mold
Compression deformation reaches the size of product design;Necking down process: the inner mould core of necking down mechanism imports can body, correcting jar, external mold
Between the R degree of downlink, the gradient of the oral area of external mold and transition smoothly enters the gap with inner mould core to jar, the internal shaping of external mold
Place's diameter is 62.6mm, can body at the internal shaping diameter of external mold between the gap of inner mould core with the contraction distortion of stretching plastic,
It is 62.6mm ± 0.2 that contraction distortion, which reaches diameter, and last mold core uplink can body is ejected by top tank block, completes necking down process.
Third step is carrying out flange to ± 0.2 upper and lower side of bottleneck diameter 62.6mm, and it is closely sealed to help lower process capping seaming
Process；Upper and lower overturning process is: being all by, to forming turned-out at the oral area up and down of can body, making tank at flange body
A forming process in the shape of a trumpet at the mouth rim of body.In order to importeding at can body oral area for upper and lower covers, it is convenient to
Lid and can body the process mechanism closely sealed by seaming, crimp tank mouth border edge mutually with upper and lower covers, to hook conjunction closely sealed, does
Closed seaming snug fit;Flange body is turned up core by correcting, pushes up guiding block, limit plate composition, overturning process step is:
Can body is by being transported at jacking block, uplink after jacking block correcting can body, with can body uplink, imports flanging core, correcting at tank mouth
The taper of flanging core, which is connected to R degree transition position, guides the material of tank mouth edge toward turning up, and passes through limit plate control forming
To the size turned up of design, finally with flange core uplink, flange has got well jar abjection correcting and has turned up core, completes overturning process;
Lower process, the closely sealed process of seaming is: upper cover and lower cover are fallen in tank mouth in the conveying by track, the self weight lid of lid,
It is transported at seaming mechanism again, by interior pinch rollers at seaming mechanism, outer clamp presses idler wheel, is driven the rotating disc group of jar
At internal trolley pushes down lid and can body at seaming mechanism, and outer idler wheel is toward internal trolley direction clamp, band on the rotating disc of seaming mechanism
Jar rotation, interior pinch rollers pressing against lid and can body, rotating disc drives can body rotation, under outer idler wheel clamp by lid with
Mutually the conjunction of curling hook is closely sealed at jar collar extension border, is able to closed snug fit packaging;The closely sealed process of seaming is: upper cover
With lower cover in being transported to above can body by track, puts the sluice gate rotating disk at lid and push lid, lid is made to disengage limit
The self weight at place, lid is fallen, and lid is fallen in tank mouth, is transported at seaming mechanism with the can body of lid, interior rolling at seaming mechanism
Downlink is taken turns, pushes down lid and can body, outer idler wheel is toward internal trolley direction clamp, and the rotating disc of seaming mechanism is with lid and jar
Rotation, interior pinch rollers are pressing against lid and can body, as rotating disc drives can body rotation, by lid and tank under outer idler wheel clamp
Mutually the conjunction of curling hook is closely sealed at sub- outer edge mouth border, is able to closed snug fit packaging, completes the closely sealed process of seaming;
4th step utilizes the characteristic of the extending plasticity of tinplate metal, and mold is allowed to round to harmomegathus forming is carried out at straight tube can body
The can body of column shell has shaped 12 side length 11.4mm side opposite the angles having a size of 65mm ± 0.2, diagonal with another 12 side length 5.8mm
While having connected and composed a polygonal solid geometry for 24 three-dimensional edged surfaces having a size of 65.8mm ± 0.2 with 24 R1 transition
The can body of shape;24 polygonal solid edged surfaces are centered on cylindrical body, and 2 groups are connected and composed by 12 zhou duicheng tuxings, 1 group
To be connected into 12 axisymmetric regular polygons outside diameter 65mm, another 1 group axisymmetric just more to be connected into 12 outside diameter 65.8mm
Side shape, the intersection of 2 groups of polygons are the convex ribs of edged surface transition with R1 transition;
Work step is: the component addendum cone of mold pushes, under the component upper fixed seat addendum cone that 12 pieces of separate sliders pass through mold
Pressure, the inclined-plane of the slope driving sliding block of addendum cone, 12 pieces of separate sliders are past along the fixed track of sliding block under the slope driving of addendum cone
Radial spreading, the spreading of the slope driving sliding block of addendum cone make the edged surface of sliding block head on cylindrical body tank metal can inner wall to be allowed to extend
Forming, has shaped the side opposite the angle of 12 side length 11.4mm of can body having a size of 65mm ± 0.2 by 12 edged surface radial direction spreadings of sliding block
Edged surface;Sliding block has pulled open clearance distance toward between radial spreading rear slider and adjacent sliding block along track, extends cylindrical body tank metal
Another 12 side length 5.8mm, side opposite the angle ± 0.2 edged surface having a size of 65.8mm are shaped;The slope driving sliding block of addendum cone rises toward radial
It opens, the side edge of sliding block makes between polygon edged surface 24 R1 convex ribs of transition shaping, and after spreading forming in place, addendum cone is returned
It moves back, the contraction of the ring spring on sliding block, so that sliding block is shunk back along fixed track to mold, give the geometry knot shaped
The barrel-shaped shape container can body of the shelly-shaped cylinder of structure polygon deviates from mold, completes the polygon geometry job step of forming can body
Suddenly;
5th step connect can body with bottom cover sealing seaming by double curling and sealing apparatus and is combined, and forms the design requirement at this time
The polygon geometry can body three-piece can of shape.
Compared with prior art, the three-piece can of polygon geometry can body of the present invention uses the work of can body harmomegathus
Skill forming, geometry polygon can body formed thereby, sense of stereoscopic vision is strong, holds and feels comfortable, the tank of geometry polygon
Body improves tank body compressive resistance, and in high-speed packaging production, polygon convex ribs prevent tank body to be dented phenomena such as flat,
Package production stability is increased, leakproofness and globality aesthetic appearance are provided simultaneously with, also enhances tank body impact resistant strength.
The alternative traditional columnar three-piece can of the present invention, is improved by can body, enhances tank body mechanical strength, is improved raw in industry
High Speed Transfer process crush resistance strength when production, while good sealing performance had not only been kept, but also substantially increase can body pressure resistance degree,
Enhance the pressure born when can body is filling, improve package encapsulation and can body compressive resistance to the greatest extent, ensure because
The deformation of can body and caused by sealing not enough, cause food leakage.Currently on the market there are no there is this three-piece can, originally
The three-piece can good appearance of invention, feel is comfortable, very novel and practical, must be by the welcome of the majority of consumers.
Detailed description of the invention
Fig. 1 is the positive planar structure schematic diagram of polygon three-piece can of the invention；
Fig. 2 is the can body cross-sectional structure schematic diagram of polygon three-piece can of the invention；
Fig. 3 is the structural schematic diagram of polygon three-piece can upper cover of the invention.
Fig. 4 is the structural schematic diagram of polygon three-piece can lower cover of the invention.
Fig. 5 is the structural schematic diagram of harmomegathus shaping dies.
Fig. 6 is the schematic top plan view of Fig. 5 harmomegathus forming die structure.
Specific embodiment
Below in conjunction with attached drawing, to technical solution of the present invention into being further described through, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.
As shown in Figs 1-4, the three-piece can of geometry polygon can body of the invention, by can body, easy-to-draw upper cover, bottom cover structure
At.The can body and bottom cover of the polygon three-piece can are all that tinplate is used to be made for material, and easy-to-draw upper cover is aluminium alloy
Material production.Can body total height is 122mm ± 0.3.Can body is first welded into cylindric can body with bonding machine, then by mold harmomegathus at
Shape is the geometry can body of polygon.Can body and easy-to-draw upper cover, closely sealed group of bottom cover seaming be combined into.Top and bottom are necking down
Section, at the top and bottom of can body at necking segment with tank upper and lower covers seaming snug fit.The closely sealed clustered operation step of seaming is: upper cover
It is fallen in tank mouth, then is transported at seaming mechanism with lid of being self-possessed to lid in the conveying by track with lower cover.At seaming mechanism
By: interior pinch rollers, outer clamp press idler wheel, are driven the rotating disc composition of jar.At seaming mechanism internal trolley push down lid and
Can body, outer idler wheel are rotated toward internal trolley direction clamp, the rotating disc work of seaming mechanism with jar, and interior pinch rollers are pressing against lid
Son and can body, rotating disc drive can body rotation, mutually crimp lid and metal phase at jar collar extension border under outer idler wheel clamp
It hooks and closes closely sealed forming.It is able to the packaging tank body of closed snug fit.As shown in Figure 1, diameter is at can body top neck
The straight figure of tank is connected at 62.6mm ± 0.2, with the straight figure of tank by R3 and R4 necking down forming transition, as shown in Figure 2.
It is in the geometry of multilateral shape at the straight figure of can body.The side opposite the angle of 12 side length 11.4mm is having a size of 65mm ± 0.2, with another 12
The side opposite the angle of a side length 5.8mm is connected having a size of 65.8mm ± 0.2 with 24 R1 transition, constitutes a solid shelly-shaped cylinder
Barrel-shaped polygon geometric shapes.The easy-to-draw upper cover part of can body and bottom cover section seaming is closely sealed be combined into after be height be 3mm,
Diameter is 65mm ± 0.2.As shown in the figure.Can body with bottom cover seaming is closely sealed be combined into after, entire tank body forms solid geometry
The shelly-shaped cylinder bucket shaped containers of structure polygon.
The production method of this polygon can body three-piece can is:
The can body of the straight tube tank diameter of first step welding traditional standard first, diameter 66mm；
Second step carries out necking down to straight tube can body both ends using the characteristic of the extending plasticity of tinplate metal, and (tinplate metal can
The characteristic of stretching plastic is: tinplate this metal object under external force, can steadily change in the range of parameter from
Oneself shape and size, and the performance that the connection between each particle is not destroyed.It can be extended under certain effect power certain thin
Silk and property not easy to break ductility plasticity.Under certain effect power (hammering or rolling active force under) can be ground into thin slice and
The property not ruptured is malleability plasticity.) necking down diameter be 62.6mm ± 0.2.Make the subsequent lower flange process of lower step and turns over
Side process carries out preparation work；Necking down process is: can body is by necking down mechanism, at the internal shaping of jar external mold and internal model
Between the gap of core, with the contraction distortion of stretching plastic, the process of design size is reached to product.(necking down mechanism is by internal model
Core, external mold, top tank block composition, can body make can body reach production with the contraction distortion of stretching plastic by the gap of inner mould core and external mold
The size of product design, diameter are 62.6mm ± 0.2.Last mold core uplink can body is ejected by top tank block.) necking down process: contracting
The inner mould core of neck mechanism imports can body, and correcting jar, external mold downlink, the gradient of the oral area of external mold and the R degree of transition are suitable to jar
The entrance of benefit is between the gap of inner mould core, and diameter is 62.6mm at the internal shaping of external mold, and can body is at the internal shaping diameter of external mold
With the contraction distortion of stretching plastic between the gap of inner mould core, it is 62.6mm ± 0.2 that contraction distortion, which reaches diameter,.On last mold core
Row can body is ejected by top tank block.Complete necking down process.
Third step is carrying out flange to ± 0.2 upper and lower side of bottleneck diameter 62.6mm, and it is closely sealed to help lower process capping seaming
Process；Upper and lower overturning process is: being all by, to forming turned-out at the oral area up and down of can body, making tank at flange body
A forming process in the shape of a trumpet is convenient at the mouth rim of body in order to importeding at can body oral area for upper and lower covers
Lid and can body the process mechanism closely sealed by seaming, crimp tank mouth border edge mutually with upper and lower covers, to hook conjunction closely sealed, does
Closed seaming snug fit.Flange body is turned up core by correcting, pushes up guiding block, limit plate composition.Overturning process step is: tank
Body is by being transported at jacking block, uplink after jacking block correcting can body, with can body uplink, imports flanging core at tank mouth, outside correcting
The taper of flange core, which is connected to R degree transition position, guides the material of tank mouth edge toward turning up, and is formed by limit plate control
The size turned up is designed, finally with flange core uplink, flange has got well jar abjection correcting and turned up core, completes overturning process.
Lower process, the closely sealed process of seaming is: upper cover and lower cover fall in tank mouth in the conveying by track, the self weight lid of lid
On, then be transported at seaming mechanism, at seaming mechanism by: interior pinch rollers, outer clamp press idler wheel, are driven the rotating disc of jar
Composition.Internal trolley pushes down lid and can body at seaming mechanism, and outer idler wheel is toward internal trolley direction clamp, the rotating disc of seaming mechanism
On rotated with jar, interior pinch rollers are pressing against lid and can body, and rotating disc drives can body rotation, will lid under outer idler wheel clamp
Son at jar collar extension border mutually curling hook conjunction it is closely sealed.It is able to closed snug fit packaging.The closely sealed process of seaming is:
Upper cover and lower cover put the sluice gate rotating disk at lid and push lid, disengage lid in being transported to above can body by track
The self weight of spacing place, lid is fallen, and lid is fallen in tank mouth, is transported at seaming mechanism with the can body of lid, at seaming mechanism
Internal trolley downlink, pushes down lid and can body, outer idler wheel toward internal trolley direction clamp, the rotating disc of seaming mechanism with lid and
Jar rotation, interior pinch rollers are pressing against lid and can body, as rotating disc drives can body rotation, by lid under outer idler wheel clamp
Hook conjunction is closely sealed with mutually crimping at jar outer edge mouth border.It is able to closed snug fit packaging.Complete the closely sealed work of seaming
Sequence.
4th step utilizes the characteristic of the extending plasticity of tinplate metal, and (characteristic of the extending plasticity of tinplate metal is: horse
Mouthful iron this metal object under external force, can steadily change the shape and size of oneself in the range of parameter, and each
The performance that connection between particle is not destroyed.This object of tinplate metal can extend into certain filament under certain effect power
And property not easy to break is ductility plasticity.Under certain effect power (hammering or rolling active force under) can be ground into thin slice without
The property of rupture is malleability plasticity.) to harmomegathus forming is carried out at straight tube can body, the can body for being allowed to cylindrical shell shapes mold
12 side length 11.4mm side opposite the angles are having a size of 65mm ± 0.2, with another 12 side length 5.8mm side opposite the angles having a size of 65.8mm ± 0.2,
A can body for the polygonal solid geometric shapes of 24 three-dimensional edged surfaces has been connected and composed with 24 R1 transition.24 polygon
Shape solid edged surface is centered on cylindrical body, and 2 groups are connected and composed by 12 zhou duicheng tuxings, and 1 group to be connected into 12 outside diameter 65mm
A axisymmetric regular polygon, another 1 group to be connected into 12 axisymmetric regular polygons, 2 groups of polygons outside diameter 65.8mm
Intersection, be the convex ribs of edged surface transition with R1 transition.The polygon tank of geometry by multiple solid angle edged surfaces group
It closes, sense of stereoscopic vision is strong, and it is comfortable to hold sense.Also straight tube can body intensity is more enhanced.
Harmomegathus forming is with a kind of a kind of technique of the specific structure formation of mold.The structure of harmomegathus shaping dies such as Fig. 5-
Shown in 6, (those skilled in the art can make harmomegathus shaping dies used in present invention process according to Fig. 5-6), mold
It is to be formed with 12 pieces of independent edged surface sliding block splicings at forming main portions, is moved up and down by mold component addendum cone, top cone
Inclined-plane and sliding block slope driving make movement of the sliding block in fixed track toward radial spreading, have shaped 24 to the can body of cylindrical shell
The polygonal solid geometric shapes of edged surface.The mechanism of mold wants the mechanism of mold by design by mechanical transmission
It asks work movement to complete and makees spreading and contractive action, acted on spreading and the power of contraction, give tinplate metal certain effect power,
Tinplate metal can steadily change the shape and size of oneself in the range of parameter, and the connection between each particle is not destroyed
Performance.It can extend into certain filament and thin slice under certain effect power, and not easy to break, the property of rupture.Product is made
The power effect of specific spreading and contraction, to reach the geometry requirement for completing product design.
Work step is: the component addendum cone of mold pushes, and 12 pieces of separate sliders pass through the component upper fixed seat top of mold
Cone pushes, the inclined-plane of the slope driving sliding block of addendum cone, and 12 pieces of separate sliders are under the slope driving of addendum cone along the rail that sliding block is fixed
Toward radial spreading, the spreading of the slope driving sliding block of addendum cone makes the edged surface of sliding block head on cylindrical body tank metal can inner wall to be allowed in road
Extend forming, by 12 edged surface radial direction spreadings of sliding block shaped the side opposite the angle of 12 side length 11.4mm of can body having a size of 65mm ±
0.2 edged surface.Sliding block has pulled open clearance distance toward between radial spreading rear slider and adjacent sliding block along track, prolongs cylindrical body tank metal
It is stretched into the another 12 side length 5.8mm of shape, side opposite the angle ± 0.2 edged surface having a size of 65.8mm.The slope driving sliding block of addendum cone is past radial
Spreading, the side edge of sliding block make between polygon edged surface 24 R1 convex ribs of transition shaping.After spreading forming in place, addendum cone is returned
It moves back, the contraction of the ring spring on sliding block, so that sliding block is shunk back along fixed track to mold, give the geometry knot shaped
The barrel-shaped shape container can body of the shelly-shaped cylinder of structure polygon deviates from mold.Complete the polygon geometry job step of forming can body
Suddenly.) can body and bottom cover by double curling and sealing apparatus seal seaming and connect and is combined, formd the design at this time and want by the 5th step
Seek the three-piece can of the geometry polygon can body of shape.
It is above specific embodiment of the invention, it is all according to similar change made by above-mentioned design, this hair ought to be belonged to
Bright range.
Claims (1)
1. a kind of three-piece can of polygon geometry can body, it is characterised in that, the polygon geometry can body
Three-piece can is made of can body, easy-to-draw upper cover, bottom cover, and can body and bottom cover are all that tinplate is used to be made for material, it is easy-to-draw on
Lid is that aluminum alloy materials make, and can body total height is 122mm ± 0.3, and can body is first welded into cylindric can body with bonding machine, then by
Mold harmomegathus is configured to the geometry can body of polygon, can body and easy-to-draw upper cover, closely sealed group of bottom cover seaming be combined into, top and
Bottom is necking segment, at the top and bottom of can body at necking segment with tank upper and lower covers seaming snug fit, the closely sealed clustered operation of seaming
Step is: upper cover and lower cover are fallen in tank mouth in the conveying by track, to lid with lid of being self-possessed, then are transported to seaming mechanism
Locate, by interior pinch rollers at seaming mechanism, outer clamp presses idler wheel, is driven the rotating disc composition of jar, interior rolling at seaming mechanism
Wheel pushes down lid and can body, and outer idler wheel is rotated toward internal trolley direction clamp, the rotating disc work of seaming mechanism with jar, interior compression
Idler wheel is pressing against lid and can body, and rotating disc drives can body rotation, by gold at lid and jar collar extension border under outer idler wheel clamp
Symbolic animal of the birth year mutually crimps hook and closes closely sealed forming, is able to the packaging tank body of closed snug fit, diameter is at can body top neck
The straight figure of tank is connected to by R3 and R4 necking down forming transition at 62.6mm ± 0.2, with the straight figure of tank, at the straight figure of can body
In the geometry of multilateral shape: the side opposite the angle of 12 side length 11.4mm is having a size of 65mm ± 0.2, with another 12 side length 5.8mm
Side opposite the angle having a size of 65.8mm ± 0.2, connected with 24 R1 transition, it is several to constitute the solid barrel-shaped polygon of shelly-shaped cylinder
What planform, the easy-to-draw upper cover part of can body and bottom cover section seaming is closely sealed be combined into after be height be 3mm, diameter for 65mm ±
0.2, can body with bottom cover seaming is closely sealed be combined into after, entire tank body forms the shelly-shaped cylinder bucket of solid geometry polygon
Shaped containers;
The three-piece can of the polygon geometry can body is by can body production method:
The can body of the straight tube tank diameter of first step welding traditional standard first；
Second step carries out necking down to straight tube can body both ends using the characteristic of the extending plasticity of tinplate metal, under keeping lower step subsequent
Overturning process and upper overturning process carry out preparation work；Necking down process is: can body passes through at necking down mechanism, to jar external mold
At internal shaping between the gap of inner mould core, with the contraction distortion of stretching plastic, the process of design size, necking down are reached to product
Mechanism is to push up tank block composition by inner mould core, external mold, and can body makes can body with the receipts of stretching plastic by the gap of inner mould core and external mold
Compression deformation reaches the size of product design;Necking down process: the inner mould core of necking down mechanism imports can body, correcting jar, external mold
Between the R degree of downlink, the gradient of the oral area of external mold and transition smoothly enters the gap with inner mould core to jar, the internal shaping of external mold
Place's diameter is 62.6mm, can body at the internal shaping diameter of external mold between the gap of inner mould core with the contraction distortion of stretching plastic,
It is 62.6mm ± 0.2 that contraction distortion, which reaches diameter, and last mold core uplink can body is ejected by top tank block, completes necking down process.
Third step is carrying out flange to ± 0.2 upper and lower side of bottleneck diameter 62.6mm, helps the lower process capping closely sealed process of seaming
；Upper and lower overturning process is: being all by, to forming turned-out at the oral area up and down of can body, making the mouth of can body at flange body
A portion edge forming process in the shape of a trumpet.In order to importeding at can body oral area for upper and lower covers, be convenient to lid with
Can body is by the closely sealed process mechanism of seaming, and crimp tank mouth border edge mutually with upper and lower covers, to hook conjunction closely sealed, does closed
Seaming snug fit;Flange body is turned up core by correcting, pushes up guiding block, limit plate composition, overturning process step is: can body is logical
It crosses and is transported at jacking block, uplink after jacking block correcting can body imports flanging core, correcting flanging at tank mouth with can body uplink
The taper of core, which is connected to R degree transition position, guides the material of tank mouth edge toward turning up, and is formed into design by limit plate control
The size turned up, finally with flange core uplink, flange has got well jar abjection correcting and has turned up core, completes overturning process;
Lower process, the closely sealed process of seaming is: upper cover and lower cover are fallen in tank mouth in the conveying by track, the self weight lid of lid,
It is transported at seaming mechanism again, by interior pinch rollers at seaming mechanism, outer clamp presses idler wheel, is driven the rotating disc group of jar
At internal trolley pushes down lid and can body at seaming mechanism, and outer idler wheel is toward internal trolley direction clamp, band on the rotating disc of seaming mechanism
Jar rotation, interior pinch rollers pressing against lid and can body, rotating disc drives can body rotation, under outer idler wheel clamp by lid with
Mutually the conjunction of curling hook is closely sealed at jar collar extension border, is able to closed snug fit packaging;The closely sealed process of seaming is: upper cover
With lower cover in being transported to above can body by track, puts the sluice gate rotating disk at lid and push lid, lid is made to disengage limit
The self weight at place, lid is fallen, and lid is fallen in tank mouth, is transported at seaming mechanism with the can body of lid, interior rolling at seaming mechanism
Downlink is taken turns, pushes down lid and can body, outer idler wheel is toward internal trolley direction clamp, and the rotating disc of seaming mechanism is with lid and jar
Rotation, interior pinch rollers are pressing against lid and can body, as rotating disc drives can body rotation, by lid and tank under outer idler wheel clamp
Mutually the conjunction of curling hook is closely sealed at sub- outer edge mouth border, is able to closed snug fit packaging, completes the closely sealed process of seaming;
4th step utilizes the characteristic of the extending plasticity of tinplate metal, and mold is allowed to round to harmomegathus forming is carried out at straight tube can body
The can body of column shell has shaped 12 side length 11.4mm side opposite the angles having a size of 65mm ± 0.2, diagonal with another 12 side length 5.8mm
While having connected and composed a polygonal solid geometry for 24 three-dimensional edged surfaces having a size of 65.8mm ± 0.2 with 24 R1 transition
The can body of shape;24 polygonal solid edged surfaces are centered on cylindrical body, and 2 groups are connected and composed by 12 zhou duicheng tuxings, 1 group
To be connected into 12 axisymmetric regular polygons outside diameter 65mm, another 1 group axisymmetric just more to be connected into 12 outside diameter 65.8mm
Side shape, the intersection of 2 groups of polygons are the convex ribs of edged surface transition with R1 transition;
Work step is: the component addendum cone of mold pushes, under the component upper fixed seat addendum cone that 12 pieces of separate sliders pass through mold
Pressure, the inclined-plane of the slope driving sliding block of addendum cone, 12 pieces of separate sliders are past along the fixed track of sliding block under the slope driving of addendum cone
Radial spreading, the spreading of the slope driving sliding block of addendum cone make the edged surface of sliding block head on cylindrical body tank metal can inner wall to be allowed to extend
Forming, has shaped the side opposite the angle of 12 side length 11.4mm of can body having a size of 65mm ± 0.2 by 12 edged surface radial direction spreadings of sliding block
Edged surface;Sliding block has pulled open clearance distance toward between radial spreading rear slider and adjacent sliding block along track, extends cylindrical body tank metal
Another 12 side length 5.8mm, side opposite the angle ± 0.2 edged surface having a size of 65.8mm are shaped;The slope driving sliding block of addendum cone rises toward radial
It opens, the side edge of sliding block makes between polygon edged surface 24 R1 convex ribs of transition shaping, and after spreading forming in place, addendum cone is returned
It moves back, the contraction of the ring spring on sliding block, so that sliding block is shunk back along fixed track to mold, give the geometry knot shaped
The barrel-shaped shape container can body of the shelly-shaped cylinder of structure polygon deviates from mold, completes the polygon geometry job step of forming can body
Suddenly;
5th step connect can body with bottom cover sealing seaming by double curling and sealing apparatus and is combined, and forms the design requirement at this time
The polygon geometry can body three-piece can of shape.
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| CN201910392624.5A CN110040329A (en) | 2019-05-13 | 2019-05-13 | The three-piece can of polygon geometry can body |
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| CN201910392624.5A CN110040329A (en) | 2019-05-13 | 2019-05-13 | The three-piece can of polygon geometry can body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112894285A (en) * | 2021-02-21 | 2021-06-04 | 福州新德通金属容器有限公司 | Manufacturing method of tea caddy with easy-to-tear cover |
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Application publication date: 20190723 |