CN106964703B - A kind of mold for being molded inverse hemming aluminium foil box - Google Patents
A kind of mold for being molded inverse hemming aluminium foil box Download PDFInfo
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- CN106964703B CN106964703B CN201710361266.2A CN201710361266A CN106964703B CN 106964703 B CN106964703 B CN 106964703B CN 201710361266 A CN201710361266 A CN 201710361266A CN 106964703 B CN106964703 B CN 106964703B
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- die
- blanking
- aluminium foil
- plate
- stretching
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- 239000005030 aluminium foil Substances 0.000 title claims abstract description 83
- 238000009957 hemming Methods 0.000 title claims abstract description 30
- 230000000694 effects Effects 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 20
- 239000000463 material Substances 0.000 description 17
- 238000002788 crimping Methods 0.000 description 15
- 235000013305 food Nutrition 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D33/00—Special measures in connection with working metal foils, e.g. gold foils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/52—Making hollow objects characterised by the use of the objects boxes, cigarette cases, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention provides a kind of molds for being molded inverse hemming aluminium foil box, belong to technical field of mold, it solves the problems, such as that the mold Forming Quality of existing molding aluminium foil box is poor.Originally mold for being molded inverse hemming aluminium foil box includes：Lower die holder, it is installed with lower template, it is covered with support plate, stripper above lower template, it is fixed with stretching convex die in the middle part of lower template, it is arranged with blanking die around stretching convex die, the upper surface portion of blanking die raises up to form circular fin, surrounds to form movable chamber between support plate, stripper, lower template and stretching convex die；Upper die holder, it is installed with cope plate, stretching cavity plate is inserted in cope plate, and it is equipped with blanking punch around die case is stretched, the lower surface of blanking punch offers annular groove, when upper die holder is mobile towards lower die holder and stretching cavity plate is made to be fastened in stretching convex die, annular groove surrounds the forming cavity to be formed for being molded aluminium foil box inverse hemming with circular fin.The present invention has the characteristics that Forming Quality is good.
Description
Technical field
The invention belongs to technical field of mold, are related to a kind of mold for being molded inverse hemming aluminium foil box, especially a kind of
Integrate the mold for being molded inverse hemming aluminium foil box of blanking drawing process.
Background technology
It is realized substantially using aluminium foil box in actual food product packaging, the fresh-keeping or storage long period is needed for some
Food, such as food can, pet food etc., need to be sealed work to aluminium foil box, generally use aluminium foil sheet material and aluminium
Foil box carries out compacting sealing.
Existing aluminium foil box is mostly arranged by flange, and aluminium foil sheet material is pressed together on flange one and realizes the close of aluminium foil box
Envelope, while crimping is formed to limit the position of aluminium foil sheet material, convenient for the pressing between aluminium foil sheet material and aluminium foil box in flange periphery.
Due to can still there is the air of a part in aluminium foil box, food is easy oxidation, to solve this problem needs
To inert gas is vacuumized and poured in box to slow down food oxidation deterioration after the sealing of aluminium foil box, and then extend food
Pot-life.However crimping is higher than flange in common aluminium foil box, it is unfavorable in structure after aluminium foil box and the sealing of aluminium foil sheet material
Match in equipment and packaged aluminium foil box, it is difficult to which realization vacuumizes work, and can influence the leakproofness of aluminium foil box, is unfavorable for
Food fresh-keeping and storage.
For this purpose, smoothly to realize the purpose vacuumized, the upper surface of aluminium foil box need to be made to be in a plane, crimping is not at this time
It can be higher than the plane where flange, to carry out sealing to aluminium foil box conducive to equipment and vacuumize work.However such aluminium foil
Box is relatively difficult during fabrication, and existing mold be easy to cause the damage of aluminium foil box product, leads to product matter at the time of molding
Amount is not up to standard；Or crimping not enough in place, influences subsequent use when molding.
In conclusion to solve the existing deficiency being molded on the mould structure of aluminium foil box, the present invention devises a kind of design
Rationally, the good mold for being molded inverse hemming aluminium foil box of Forming Quality.
Invention content
The present invention in order to solve the problems existing in the prior art, provide a kind of reasonable design, Forming Quality it is good at
The mold of type inverse hemming aluminium foil box.
The purpose of the present invention can be achieved through the following technical solutions：A kind of mold for being molded inverse hemming aluminium foil box,
Including：
Lower die holder is installed with lower template, support plate, stripper, lower template is covered with from the bottom to top above lower template thereon
Middle part is fixed with stretching convex die and punch-pin extends upward through support plate, stripper respectively, the upper surface of stretching convex die and stripper
Upper surface is concordant, and blanking die is arranged with around stretching convex die, the upper surface portion of blanking die raise up to be formed it is cyclic annular convex
Rib surrounds the activity to be formed and be moved up and down for blanking die between the support plate, stripper, lower template and stretching convex die
Chamber, each edge of lower die holder are equipped with guide post；
Upper die holder is arranged above lower die holder, and the end face that upper die holder faces lower die holder is installed with cope plate, cope plate interpolation
It is equipped with the blanking being correspondingly arranged with blanking die equipped with the stretching cavity plate being correspondingly arranged with stretching convex die, and around die case is stretched
The lower surface of punch-pin, blanking punch offers annular groove corresponding with circular fin, and each edge of upper die holder is also equipped with
It is fallen with the one-to-one guide sleeve of guide post when upper die holder is mobile towards lower die holder and stretching cavity plate is made to be fastened in stretching convex die
Material punch-pin is fastened on blanking die and annular groove surrounds the molding to be formed for being molded aluminium foil box inverse hemming with circular fin
Chamber.
As being further improved for this case, the arc-shaped setting of inner wall and the close stretching of the annular groove of the annular groove
Cavity plate side arc transition is to the lower surface of blanking punch.
Another step as this case is improved, and the circular fin has the setting in curved surface of two sides and the two sides, ring
The cross section of shape fin is arranged in class isosceles triangle.
As being further improved for this case, blanking die bottom is fixed with the movable plate in movable chamber, in movable plate
On be equipped with pull rod and pull rod extends downwardly through lower template and part is stretched into lower die holder, spring and bullet are also arranged on pull rod
For spring between movable plate and lower template, the movable plate can drive blanking die to be moved up and down in movable chamber.
Another step as this case is improved, and the set being connected with lower template is additionally provided between stretching convex die and blanking die
Cylinder, the upper surface that sleeve and stretching convex die fit closely setting and sleeve are less than the upper surface of stretching convex die, blanking die and set
Clearance fit and blanking die can be moved up and down along sleeve between cylinder.
As being further improved for this case, it is surrounded with step in sleeve periphery, when blanking die moves down and partly supports
When leaning against on step, the upper surface of blanking die is concordant with the upper surface of sleeve.
As being further improved for this case, raise up to form boss in the middle part of lower template, above-mentioned stretching convex die is resisted against convex
On platform, if being equipped with bolt stem in lower template and each bolt is upward through boss and is connected with stretching convex die.
Another step as this case is improved, and push plate is embedded at the top of stretching convex die, if being equipped in push plate equally distributed
Dry mandril, each mandril extend downwardly and sequentially pass through stretching convex die, boss, lower template and lower die holder, the upper table of mandril
Face is concordant with the upper surface of push plate.
As being further improved for this case, backing plate is also embedded in cope plate, and backing plate is located at stretching cavity plate and upper mold
Between seat, the backing plate is connected with stretching cavity plate, upper die holder respectively.
Compared with prior art, phase interworking is respectively set in structure of the invention reasonable design on blanking die, blanking punch
The fin and groove of conjunction are good convenient for the reversed crimping and Forming Quality of molding aluminium foil box；Blanking die cooperates with movable plate
Realization moves up and down, and works blanking and carries out cushioning effect, works to be smoothed out blanking and ensures blanking quality；Push plate with
Mandril collective effect is convenient for releasing aluminium foil box product after molding, and using effect is good.
Description of the drawings
Fig. 1 is the part-structure schematic diagram of the present invention.
Fig. 2 is the sectional view of the present invention.
Fig. 3 is the sectional view at another visual angle of the present invention.
Working state figure when Fig. 4 is present invention molding.
Fig. 5 is the structural schematic diagram of forming cavity in the present invention.
In figure, 10, lower die holder；11, lower template；111, boss；12, guide post；13, support plate；14, stripper；15, movable
Plate；16, pull rod；17, sleeve；171, step；18, bolt；20, upper die holder；21, cope plate；22, guide sleeve；23, backing plate；31, it draws
Stretch punch-pin；32, cavity plate is stretched；41, blanking punch；411, annular groove；42, blanking die；421, circular fin；4211, side
Face；50, push plate；51, mandril；61, movable chamber；62, forming cavity.
Specific implementation mode
With reference to embodiment and attached drawing, technical scheme of the present invention is further elaborated.
As shown in Figures 1 to 5, this mold for being used to be molded inverse hemming aluminium foil box includes：
Lower die holder 10, is installed with lower template 11 thereon, and 11 top of lower template is covered with support plate 13, stripper from the bottom to top
14,11 middle part of lower template is fixed with stretching convex die 31 and punch-pin extends upward through support plate 13, stripper 14, stretching convex die 31 respectively
Upper surface it is concordant with the upper surface of stripper 14, be arranged with blanking die 42 around stretching convex die 31, blanking die 42 it is upper
Surface portion raises up to form circular fin 421, between support plate 13, stripper 14, lower template 11 and stretching convex die 31
The movable chamber 61 to be formed and be moved up and down for blanking die 42 is surrounded, 10 each edge of lower die holder is equipped with guide post 12；
Upper die holder 20 is arranged above lower die holder 10, and the end face that upper die holder 20 faces lower die holder 10 is installed with cope plate 21,
The stretching cavity plate 32 being correspondingly arranged with stretching convex die 31 is inserted in cope plate 21, and circular stretching cavity plate 32 is arranged with and blanking
The blanking punch 41 that cavity plate 42 is correspondingly arranged, it is recessed that the lower surface of blanking punch 41 offers annular corresponding with circular fin 421
Slot 411, each edge of upper die holder 20 be also equipped with 12 one-to-one guide sleeve 22 of guide post, when upper die holder 20 is towards lower die holder
10 move and when stretching cavity plate 32 being made to be fastened in stretching convex die 31, blanking punch 41 is fastened on blanking die 42 and annular is recessed
Slot 411 surrounds the forming cavity 62 to be formed for being molded aluminium foil box inverse hemming with circular fin 421.
It, need to be after the sealing of aluminium foil box to being vacuumized in box and pouring inertia to slow down the oxidation of the food in aluminium foil box
Gas extends the pot-life of food to slow down food oxidation deterioration.However crimping is higher than flange in common aluminium foil box,
After aluminium foil box and aluminium foil sheet material seal, it is difficult to which realization vacuumizes work, and can influence the leakproofness of aluminium foil box.
To solve the above problems, the crimping of aluminium foil box need to be avoided while enhancing integral strength higher than flat where flange
Face makes the upper surface of aluminium foil box be in a plane, however such aluminium foil box is relatively difficult during fabrication, existing mould
Tool be easy to cause the damage of aluminium foil box product at the time of molding, causes product quality not up to standard；Or molding when crimping not enough in place,
Influence subsequent use.
For this purpose, the present invention devises a kind of mold for being molded inverse hemming aluminium foil box, by blanking die 42, blanking
Mutually matched fin and groove are respectively set on punch-pin 41, to be molded the crimping of aluminium foil box, Forming Quality is good.In addition in order to true
The structural strength of aluminium foil box is protected, the molding crimping of institute is inverse hemming.
Specifically, the present invention is a kind of mold integrating blanking drawing process, between upper die holder 20 and lower die holder 10
Open mold is carried out by mutually matched multiple guide posts 12 and guide sleeve 22, preferably guide post 12 and the quantity of guide sleeve 22 is respectively four
It is a, it is arranged on the edge of corresponding die holder.Aluminium foil sheet material for being molded aluminium foil box is continuously introduced into mold, really close to stretching
The upper surface of punch-pin 31（Namely the upper surface of stripper 14）Conveying, mould open/close mould is primary, and aluminium foil sheet material correspondingly moves
Certain distance.
Discharging is carried out at the same time with stretching may be considered, and upper die holder 20, which drives, stretches cavity plate 32, blanking punch 41 together
It moves down, when blanking punch 41 moves down and crosses the upper surface position of stripper 14, aluminium foil sheet material is punched blanking,
Stretching cavity plate 32 continues to move down with blanking punch 41 to be coordinated closely until stretching cavity plate 32 with stretching convex die 31, has been stretched at this time
At.
Blanking punch 41 and the equally cooperation of blanking die 42 are close simultaneously, and a part of aluminium foil sheet material is located at blanking punch 41
Between blanking die 42, in turn, corresponding annular groove 411 is closed with circular fin 421 on blanking punch 41, blanking die 42
The forming cavity 62 to be formed for being molded aluminium foil box inverse hemming is enclosed, aluminium foil sheet material forms inverse hemming in the forming cavity 62.
Preferred stripper 14 is connected by support plate 13 with lower template 11 in the present embodiment, and the setting for simultaneously supporting plate 13 increases
Big the distance between stripper 14 and lower template 11, and then be that moving up and down for blanking die 42 provides space.Specifically, branch
Fagging 13 and the middle part of stripper 14 have opened up through-hole, and stretching convex die 31 is actually worn in the through hole, further, support
It surrounds to form movable chamber 61 between plate 13, stripper 14, lower template 11 and stretching convex die 31, and is arranged around stretching convex die 31
Blanking die 42 be then located in the movable chamber 61, and can move up and down.
It is noted that in the initial state, the upper surface of blanking die 42 is located at 31 upper surface of stretching convex die（Discharging
14 upper surface of plate）Lower section, when molding, after blanking punch 41, which crosses stripper 14, realizes discharging, blanking punch 41 is under
It is contacted with blanking die 42 during shifting and is further driven to blanking die 42 and moved down.
Preferably, the arc-shaped setting of the inner wall of annular groove 411 and 32 side of the close stretching cavity plate of the annular groove 411 circle
Arc transits to the lower surface of blanking punch 41.
Annular groove 411 is convenient for aluminium foil close to 32 side arc transition of cavity plate is stretched to the lower surface of blanking punch 41
Material when forming crimping can gentle transition, avoid right angle from bending and cause aluminium foil sheet material damaged.
Further, circular fin 421 has the setting in curved surface of two sides 4211 and the two sides 4211, circular fin
421 cross section is arranged in class isosceles triangle.
Circular fin 421 is really to be arranged close to stretching convex die 31, two sides of setting in curved surface on circular fin 421
Face 4211 is matched close to the side 4211 of stretching convex die 31 with the structure of arc transition on annular groove 411, is convenient for aluminium foil
To where crimping, another then coordinates with the arc inner wall of annular groove 411 material gentle transition jointly, convenient for aluminium foil sheet material along
It is circular crimping, enhancing structure intensity, while the aesthetics also improved that forming cavity 62, which forms cross section,.
Specifically, preferred stretching convex die 31 is located in lower template 11 in the present embodiment, stretches cavity plate 32 and be located at cope plate 21
On, therefore molding aluminium foil box is really inverted, and then 41 corresponding annular groove 411 of blanking punch is located at blanking die 42
The top of corresponding annular ridge, the inverse hemming of final molding be really the first bottom curling towards aluminium foil box then again towards
The top of aluminium foil box crimps, to realize the molding of inverse hemming.
It is noted that the position on blanking die 42 other than fin, is in same plane, is not recessed
Structure so that molding crimping will not be higher by the plane where at the top of aluminium foil box, and then ensure that aluminium foil box can be smoothly in sealing
It carries out vacuumizing work.
As shown in Figures 2 to 4, it is preferable that 42 bottom of blanking die is fixed with the movable plate 15 in movable chamber 61,
It is equipped with pull rod 16 on movable plate 15 and pull rod 16 extends downwardly through lower template 11 and part is stretched into lower die holder 10, pull rod 16
On be also arranged with spring（It is not shown in figure）And spring, between movable plate 15 and lower template 11, movable plate 15 can drive blanking
Cavity plate 42 moves up and down in movable chamber 61.
Blanking die 42 is flexibly connected by movable plate 15 with lower template 11, and specific blanking die 42 is solid with movable plate 15
Fixed connection, movable plate 15 are stretched into across 11 part of lower template in lower die holder 10 by pull rod 16, and the setting of pull rod 16 can also be to live
Movable plate 15 provides guiding role, and pull rod 16 acts together with movable plate 15, blanking die 42 when mobile, and the quantity of pull rod 16 can
It is selected, is not construed as limiting in the present embodiment according to actual needs.
In addition, set is set in spring between movable plate 15 and lower template 11 on pull rod 16, when molding, blanking punch 41
42 related movable plate 15 of blanking die is pushed to move down, spring is compressed at this time；When die sinking, 41 reasoning blanking die of blanking punch
42, spring reset drives movable plate 15 and blanking die 42 to move up together, returns to original state.
Preferred blanking die 42 and the split type setting of fixed plate in the present embodiment, when actually manufacturing, naturally it is also possible to will
Blanking die 42 and fixed plate integral type are arranged, but due to blanking die 42 be easier during continuously moving up and down by
Damage, and the precision of blanking die 42 is relatively high, if blanking die 42 is set as an entirety with fixed plate, has both increased system
Difficulty is made, while being unfavorable for replacement and repair again.
Further, the sleeve 17 being connected with lower template 11 is additionally provided between stretching convex die 31 and blanking die 42,
Sleeve 17 fits closely the upper surface of setting and sleeve 17 less than the upper surface of stretching convex die 31, blanking die with stretching convex die 31
Clearance fit and blanking die 42 can be moved up and down along sleeve 17 between 42 and sleeve 17.
It is noted that being also closely arranged with sleeve 17 in 31 periphery of stretching convex die, sleeve 17 is really under herein
What template 11 was connected, while the mode being gap-matched between blanking die 42 and sleeve 17, so that blanking die 42 can edge
It sleeve 17 to move up and down, on the one hand the setting of sleeve 17 can further fix stretching convex die 31, be on the other hand further
The mobile offer guiding role of blanking die 42.
Preferably, it is surrounded with step 171 in 17 periphery of sleeve, when blanking die 42 moves down and is partly resisted against step
When on 171, the upper surface of blanking die 42 is concordant with the upper surface of sleeve 17.
From the foregoing it will be appreciated that blanking punch 41 is crossed to move down after stripper 14 and contact simultaneously energy with blanking die 42 when molding
It continues to press on blanking die 42 to move down, promotes to stretch cavity plate 32 and the cooperation progress drawing work of stretching convex die 31, while certain
It can work blanking in degree and carry out cushioning effect, when blanking die 42 is moved to step 171, the following table of blanking die 42
Face part is resisted against on step 171, and the upper surface of blanking die 42 is concordant with the upper surface of sleeve 17 at this time, is stretched and is completed.
It is noted that stretching the following table of the portion lower surface and blanking punch 41 on cavity plate 32 close to blanking punch 41
Face is concordant, and therefore, when the upper surface of blanking die 42 is concordant with the upper surface of sleeve 17, it is recessed that blanking punch 41 is resisted against blanking
The upper surface of mould 42 stretches the upper surface that 32 part of cavity plate is resisted against sleeve 17, at this point, stretching between cavity plate 32 and sleeve 17
Aluminium foil sheet material forms the turnup structure of aluminium foil box.
Wherein, the inner wall of blanking die 42 and 17 clearance fit of sleeve, and in the initial state, the outer wall of blanking die 42
Coordinate with 13 inclined-plane of support plate, and the top section of blanking die 42 is contacted with stripper 14, further to blanking die 42 into
Row positioning, ensures the stability of entire mold.
Preferably, 11 middle part of lower template raises up to form boss 111, and above-mentioned stretching convex die 31 is resisted against on boss 111,
Multiple bolts 18 are installed in lower template 11 and each bolt 18 is upward through boss 111 and is connected with stretching convex die 31.
Sleeve 17 is really to be arranged around boss 111, and the circumferential lateral surface of preferred boss 111 and stretching are convex in the present embodiment
The circumferential lateral surface of mould 31 overlaps, and therefore, sleeve 17 is close to stretching convex die 31, boss 111 respectively, and stretching convex die 31 is really convex
Platform 111 is surrounded with sleeve 17 to be arranged, and stretching convex die 31 is fixed on boss 111 by multiple bolts 18, herein bolt 18
Quantity can be selected according to actual needs, be not construed as limiting in the present embodiment.Further, stretching convex die 31 also passes through one
171 face of rank cooperates with boss 111 and fixes, and improves the stability of stretching convex die 31.
Further, 31 top of stretching convex die is embedded with push plate 50, and equally distributed multiple mandrils are equipped in push plate 50
51, each mandril 51 extends downwardly and sequentially passes through stretching convex die 31, boss 111, lower template 11 and lower die holder 10, mandril
51 upper surface is concordant with the upper surface of push plate 50.
The setting of push plate 50 is convenient for after the completion of stretching, and molding product aluminium foil box ejection die is made by mandril 51
Product is released in push plate 50 and further acting on product, the quantity of preferred mandril 51 is six herein, is uniformly distributed
In push plate 50.Further include having the ejection resetting-mechanism being connected with mandril 51 in actual mould structure（It is not shown in figure）If
It sets below lower die holder 10, for driving mandril 51 to release push plate 50.
Push plate 50 is embedded at 31 top of stretching convex die and keeps the upper surface of mandril 51 concordant with the upper surface of push plate 50, in this way
Setting can avoid mandril 51 etc. from damaging institute's shaped article, influence product quality.
Preferably, be also embedded with backing plate 23 in cope plate 21, and backing plate 23 be located at stretch cavity plate 32 and upper die holder 20 it
Between, backing plate 23 is connected with stretching cavity plate 32, upper die holder 20 respectively.
Specifically, 21 middle part of cope plate really offers mounting hole, stretches cavity plate 32 and be embedded in mounting hole, draw simultaneously
Cavity plate 32 is stretched also to be connected by backing plate 23 and lower die holder 10.It needs continually to be drawn with stretching convex die 31 due to stretching cavity plate 32
Work is stretched, to slow down the stressing conditions for stretching cavity plate 32, backing plate 23 is provided with, avoids stretching cavity plate 32 impaired, production effect is good.
The mold design that this is used to be molded inverse hemming aluminium foil box is reasonable, is set respectively on blanking die 42, blanking punch 41
Mutually matched fin and groove are set, it is good convenient for the reversed crimping and Forming Quality of molding aluminium foil box；Blanking die 42 and activity
Plate 15, which cooperates, to be realized and moves up and down, and is worked blanking and is carried out cushioning effect, works to be smoothed out blanking and ensure to fall
Expect quality；Push plate 50 is convenient for releasing aluminium foil box product after molding with 51 collective effect of mandril, and practicability is good.
Described herein is only the preferred embodiment of the present invention, but protection scope of the present invention is not limited to
This.The similar side of modify or supplement or adopt that those skilled in the art in the invention carry out described specific embodiment
Formula is replaced, and should all be covered by within protection scope of the present invention.
Claims (9)
1. a kind of mold for being molded inverse hemming aluminium foil box, which is characterized in that including：
Lower die holder is installed with lower template thereon, is covered with support plate, stripper, lower template middle part above lower template from the bottom to top
It is fixed with stretching convex die and stretching convex die extends upward through support plate, stripper respectively, the upper surface of stretching convex die and stripper
Upper surface is concordant, and blanking die is arranged with around stretching convex die, the upper surface portion of blanking die raise up to be formed it is cyclic annular convex
Rib surrounds the activity to be formed and be moved up and down for blanking die between the support plate, stripper, lower template and stretching convex die
Chamber, each edge of lower die holder are equipped with guide post；
Upper die holder is arranged above lower die holder, and the end face that upper die holder faces lower die holder is installed with cope plate, is inserted in cope plate
The stretching cavity plate being correspondingly arranged with stretching convex die, and it is convex equipped with the blanking being correspondingly arranged with blanking die around die case is stretched
Mould, the lower surface of blanking punch offer annular groove corresponding with circular fin, each edge of upper die holder be also equipped with
The one-to-one guide sleeve of guide post, when upper die holder is mobile towards lower die holder and stretching cavity plate is made to be fastened in stretching convex die, blanking
Punch-pin is fastened on blanking die and annular groove surrounds the forming cavity to be formed for being molded aluminium foil box inverse hemming with circular fin.
2. a kind of mold for being molded inverse hemming aluminium foil box according to claim 1, which is characterized in that the annular is recessed
The arc-shaped setting of the inner wall of slot and the annular groove are close to stretching cavity plate side arc transition to the lower surface of blanking punch.
3. a kind of mold for being molded inverse hemming aluminium foil box according to claim 1 or 2, which is characterized in that the ring
There is shape fin the setting in curved surface of two sides and the two sides, the cross section of circular fin to be arranged in class isosceles triangle.
4. a kind of mold for being molded inverse hemming aluminium foil box according to claim 1 or 2, which is characterized in that blanking is recessed
Mould bottom is fixed with the movable plate in movable chamber, and pull rod is equipped on movable plate and pull rod extends downwardly through lower template
And part is stretched into lower die holder, is also arranged with spring on pull rod and spring is between movable plate and lower template, the movable plate
Blanking die can be driven to be moved up and down in movable chamber.
5. a kind of mold for being molded inverse hemming aluminium foil box according to claim 1 or 2, which is characterized in that stretching
The sleeve being connected with lower template is additionally provided between punch-pin and blanking die, sleeve fits closely setting and sleeve with stretching convex die
Upper surface be less than the upper surface of stretching convex die, clearance fit and blanking die can be along on sleeve between blanking die and sleeve
Lower movement.
6. a kind of mold for being molded inverse hemming aluminium foil box according to claim 5, which is characterized in that in sleeve periphery
Be surrounded with step, when blanking die moves down and part is resisted against on step, the upper surface of blanking die and sleeve it is upper
Flush.
7. a kind of mold for being molded inverse hemming aluminium foil box according to claim 1 or 2, which is characterized in that lower template
Middle part raises up to form boss, and above-mentioned stretching convex die is resisted against on boss, if being equipped with bolt stem and each in lower template
Bolt is upward through boss and is connected with stretching convex die.
8. a kind of mold for being molded inverse hemming aluminium foil box according to claim 7, which is characterized in that stretching convex die top
Portion is embedded with push plate, and equally distributed several mandrils are equipped in push plate, and each mandril extends downwardly and sequentially passes through stretching
Punch-pin, boss, lower template and lower die holder, the upper surface of mandril are concordant with the upper surface of push plate.
9. a kind of mold for being molded inverse hemming aluminium foil box according to claim 1 or 2, which is characterized in that in upper mold
Also be embedded with backing plate in plate, and backing plate is located at and stretches between cavity plate and upper die holder, the backing plate respectively with stretch cavity plate, upper die holder
It is connected.
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| CN201710361266.2A CN106964703B (en) | 2017-05-20 | 2017-05-20 | A kind of mold for being molded inverse hemming aluminium foil box |
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| CN106964703B true CN106964703B (en) | 2018-08-17 |
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| CN109351865A (en) * | 2018-12-05 | 2019-02-19 | 嘉兴金信铝容器有限公司 | Uncoated inverse hemming aluminium foil cutlery box environment-friendly type molding die |
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| CN114074140B (en) * | 2022-01-18 | 2022-03-22 | 恩葛智能科技(南通)有限公司 | Aluminum foil lunch box turn-up device with automatic reset function |
| CN115723204A (en) * | 2022-11-15 | 2023-03-03 | 苏州安洁科技股份有限公司 | Processing method for plastic with thickness of 0.25T or more |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010094698A (en) * | 2008-10-15 | 2010-04-30 | Toyota Motor Corp | Method of manufacturing high strength member, hot press molding die used for the method of manufacturing high strength member, and semifinished molded body in method of manufacturing high strength part |
| CN201618796U (en) * | 2009-12-04 | 2010-11-03 | 江苏新炜实业有限公司 | Cold stamping die of aluminium foil container |
| CN204110490U (en) * | 2014-09-05 | 2015-01-21 | 嘉兴金信铝容器有限公司 | A kind of inverse hemming aluminium box |
| CN204108134U (en) * | 2014-09-11 | 2015-01-21 | 嘉兴金信铝容器有限公司 | A kind of Airline meal box mould |
| EP2346677B1 (en) * | 2008-10-16 | 2016-07-20 | Quality Tools S.r.l. | Equipment and method for the forming of paper containers |
| CN205439372U (en) * | 2016-04-05 | 2016-08-10 | 涿州嘉华铝业有限公司 | Production mould of aluminium foil cutlery box |
| CN206882557U (en) * | 2017-05-20 | 2018-01-16 | 嘉兴金信铝容器有限公司 | A kind of mould for being used to be molded inverse hemming aluminium foil box |
-
2017
- 2017-05-20 CN CN201710361266.2A patent/CN106964703B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010094698A (en) * | 2008-10-15 | 2010-04-30 | Toyota Motor Corp | Method of manufacturing high strength member, hot press molding die used for the method of manufacturing high strength member, and semifinished molded body in method of manufacturing high strength part |
| EP2346677B1 (en) * | 2008-10-16 | 2016-07-20 | Quality Tools S.r.l. | Equipment and method for the forming of paper containers |
| CN201618796U (en) * | 2009-12-04 | 2010-11-03 | 江苏新炜实业有限公司 | Cold stamping die of aluminium foil container |
| CN204110490U (en) * | 2014-09-05 | 2015-01-21 | 嘉兴金信铝容器有限公司 | A kind of inverse hemming aluminium box |
| CN204108134U (en) * | 2014-09-11 | 2015-01-21 | 嘉兴金信铝容器有限公司 | A kind of Airline meal box mould |
| CN205439372U (en) * | 2016-04-05 | 2016-08-10 | 涿州嘉华铝业有限公司 | Production mould of aluminium foil cutlery box |
| CN206882557U (en) * | 2017-05-20 | 2018-01-16 | 嘉兴金信铝容器有限公司 | A kind of mould for being used to be molded inverse hemming aluminium foil box |
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| CN106964703A (en) | 2017-07-21 |
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Address after: No. 501 Yaao Road, Nanhu District, Jiaxing City, Zhejiang Province, 314000 Patentee after: Zhejiang Jinxin Packaging Co., Ltd. Address before: No. 501 Yaao Road, Nanhu District, Jiaxing City, Zhejiang Province, 314000 Patentee before: JIAXING JINXIN AL CONTAINER CO., LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A mould for forming aluminum foil box with reverse curling edge Effective date of registration: 20210316 Granted publication date: 20180817 Pledgee: China Co. truction Bank Corp Jiaxing branch Pledgor: Zhejiang Jinxin Packaging Co.,Ltd. Registration number: Y2021330000185 |