CN106964703A - A kind of mould for being used to be molded inverse hemming aluminium foil box - Google Patents
A kind of mould for being used to be molded inverse hemming aluminium foil box Download PDFInfo
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- CN106964703A CN106964703A CN201710361266.2A CN201710361266A CN106964703A CN 106964703 A CN106964703 A CN 106964703A CN 201710361266 A CN201710361266 A CN 201710361266A CN 106964703 A CN106964703 A CN 106964703A
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- die
- stretching
- blanking
- aluminium foil
- mould
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Classifications
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- 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
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- 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
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- 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
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- 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
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- 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 invention provides a kind of mould for being used to be molded inverse hemming aluminium foil box, belong to technical field of mold, it solves the ropy problem of mould molding of existing shaping aluminium foil box.This mould for being used to be molded inverse hemming aluminium foil box includes：Die shoe, it is installed with lower template, covered with supporting plate, stripper above lower template, stretching convex die is fixed with the middle part of lower template, blanking die is arranged with around stretching convex die, the upper surface portion of blanking die raises up to form circular fin, surrounds to form movable chamber between supporting plate, stripper, lower template and stretching convex die；Upper bolster, it is installed with cope plate, stretching cavity plate is inserted with cope plate, and it is provided with blanking punch around stretching die case, the lower surface of blanking punch offers annular groove, when upper bolster is moved towards die shoe and stretching cavity plate is 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 of Forming Quality is good.
Description
Technical field
The invention belongs to technical field of mold, it is related to a kind of mould for being used to be molded inverse hemming aluminium foil box, particularly a kind of colony
Material drawing process is in the mould for being used to be molded inverse hemming aluminium foil box of one.
Background technology
Realized substantially using aluminium foil box in actual food product packaging, the fresh-keeping or storage long period is needed for some
Food, it is general to use aluminium foil sheet material and aluminium, it is necessary to carry out seal operation to aluminium foil box such as food can, pet food
Paper tinsel box carries out compacting sealing.
Existing aluminium foil box is mostly set by flange, and aluminium foil sheet material is pressed together on flange into one realizes the close of aluminium foil box
Envelope, while forming crimping in flange periphery to limit the position of aluminium foil sheet material, is easy to the pressing between aluminium foil sheet material and aluminium foil box.
Due to can still there is the air of a part in aluminium foil box, food is easily aoxidized, to be needed the problem of solving such
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.It is unfavorable in structure after aluminium foil box and the sealing of aluminium foil sheet material but crimping is higher than flange in common aluminium foil box
Match in equipment with packaged aluminium foil box, it is difficult to which realization vacuumizes work, and can influence the sealing of aluminium foil box, is unfavorable for
Food fresh-keeping and storage.
Therefore, smoothly to realize the purpose vacuumized, the upper surface of aluminium foil box need to be made to be in a plane, now crimping is not
The plane where flange can be higher than, so as to carry out sealing to aluminium foil box beneficial to equipment and vacuumize work.But such aluminium foil
Box is relatively difficult during fabrication, and existing mould easily causes the damage of aluminium foil box product in shaping, causes product matter
Amount is not up to standard；Or crimping not enough in place, influences subsequent use during shaping.
In summary, the deficiency on the mould structure to solve existing shaping aluminium foil box, the present invention devises a kind of design
Rationally, the mould for being used to be molded inverse hemming aluminium foil box that Forming Quality is good.
The content of the invention
The present invention for solve the problem of prior art is present there is provided a kind of reasonable in design, Forming Quality it is good be used for be molded it is anti-
The mould of crimping aluminium foil box.
The purpose of the present invention can be achieved through the following technical solutions：A kind of mould for being used to be molded inverse hemming aluminium foil box,
Including：
Die shoe, is installed with above lower template, lower template from the bottom to top covered with supporting plate, stripper, lower template middle part thereon
It is fixed with stretching convex die and punch-pin extends upward through supporting plate, stripper, the upper surface of stretching convex die and the upper table of stripper respectively
Face is concordant, is arranged with blanking die around stretching convex die, the upper surface portion of blanking die raises up to form circular fin, institute
State and the movable chamber to be formed and be moved up and down for blanking die, lower mould are surrounded between supporting plate, stripper, lower template and stretching convex die
Each edge of seat is equipped with guide pillar；
Upper bolster, is arranged on above die shoe, and the end face that upper bolster faces die shoe is installed with cope plate, cope plate and is inserted with
The stretching cavity plate being correspondingly arranged with stretching convex die, and it is convex that the blanking being correspondingly arranged with blanking die is provided with around stretching die case
Mould, the lower surface of blanking punch offers annular groove corresponding with circular fin, each edge of upper bolster be also equipped with
The one-to-one guide pin bushing of guide pillar, when upper bolster is moved towards die shoe and stretching cavity plate is 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.
As the further improvement of this case, the curved setting of inwall of the annular groove and the close stretching of the annular groove
Cavity plate side arc transition to blanking punch lower surface.
Improved as the another step of this case, the circular fin has two sides and two sides setting in curved surface, ring
The cross section of shape fin is set in class isosceles triangle.
As the further improvement of this case, blanking die bottom is fixed with the portable plate in movable chamber, in portable plate
On be equipped with pull bar and pull bar extends downwardly through lower template and part is stretched into die shoe, spring and bullet are also arranged with pull bar
Spring is located between portable plate and lower template, and the portable plate can drive blanking die to be moved up and down in movable chamber.
Improved as the another step of this case, the set being connected with lower template is additionally provided between stretching convex die and blanking die
Cylinder, sleeve is brought into close contact upper surface of the upper surface less than stretching convex die of setting and sleeve, blanking die and set with stretching convex die
Gap coordinates between cylinder and blanking die can be moved up and down along sleeve.
As the further improvement of this case, step is surrounded with sleeve periphery, when blanking die is moved down and is partly supported
When leaning against on step, the upper surface of blanking die is concordant with the upper surface of sleeve.
As the further improvement of 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 provided with bolt stem in lower template and each bolt is upward through boss and is connected with stretching convex die.
Improved as the another step of this case, push pedal is embedded with the top of stretching convex die, if being equipped with push pedal equally distributed
Dry push rod, each push rod extends downwardly and sequentially passes through stretching convex die, boss, lower template and die shoe, the upper table of push rod
Face is concordant with the upper surface of push pedal.
As the further improvement of this case, backing plate is also embedded with cope plate, and backing plate is located at stretching cavity plate and upper mould
Between seat, the backing plate is connected with stretching cavity plate, upper bolster respectively.
Compared with prior art, reasonable in design of the present invention, sets phase interworking respectively on blanking die, blanking punch
The fin and groove of conjunction, are easy to be molded the reverse crimping of aluminium foil box and Forming Quality are good；Blanking die cooperates with portable plate
Realization is moved up and down, and cushioning effect is carried out to blanking work, is worked to be smoothed out blanking and is ensured blanking quality；Push pedal with
Push rod collective effect is easy to after shaping terminates release aluminium foil box product, and using effect is good.
Brief 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 invention.
Working state figure when Fig. 4 is present invention shaping.
Fig. 5 is the structural representation of forming cavity in the present invention.
In figure, 10, die shoe；11st, lower template；111st, boss；12nd, guide pillar；13rd, supporting plate；14th, stripper；15th, it is movable
Plate；16th, pull bar；17th, sleeve；171st, step；18th, bolt；20th, upper bolster；21st, cope plate；22nd, guide pin bushing；23rd, backing plate；31st, draw
Stretch punch-pin；32nd, cavity plate is stretched；41st, blanking punch；411st, annular groove；42nd, blanking die；421st, circular fin；4211st, side
Face；50th, push pedal；51st, push rod；61st, movable chamber；62nd, forming cavity.
Embodiment
With reference to embodiment and accompanying drawing, technical scheme is further elaborated.
As shown in Figures 1 to 5, this mould for being used to be molded inverse hemming aluminium foil box includes：
Die shoe 10, is installed with above lower template 11, lower template 11 from the bottom to top covered with supporting plate 13, stripper 14 thereon,
The middle part of lower template 11 is fixed with stretching convex die 31 and punch-pin extends upward through supporting plate 13, stripper 14 respectively, stretching convex die 31
Upper surface is concordant with the upper surface of stripper 14, and blanking die 42, the upper table of blanking die 42 are arranged with around stretching convex die 31
Face part raises up to form circular fin 421, is closed between supporting 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 enclosed, each edge of die shoe 10 is equipped with guide pillar 12；
Upper bolster 20, is arranged on the top of die shoe 10, and the end face that upper bolster 20 faces die shoe 10 is installed with cope plate 21, upper mould
The stretching cavity plate 32 being correspondingly arranged with stretching convex die 31 is inserted with plate 21, and is arranged with and blanking die around stretching cavity plate 32
42 blanking punches 41 being correspondingly arranged, the lower surface of blanking punch 41 is offered and the corresponding annular groove of circular fin 421
411, each edge of upper bolster 20 be also equipped with the one-to-one guide pin bushing of guide pillar 12 22, when upper bolster 20 is towards die shoe 10
When moving and the stretching cavity plate 32 is fastened in stretching convex die 31, blanking punch 41 is fastened on blanking die 42 and annular groove
411 surround the forming cavity 62 to be formed for being molded aluminium foil box inverse hemming with circular fin 421.
, 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.But crimping is higher than flange in common aluminium foil box,
After aluminium foil box and aluminium foil sheet material are sealed, it is difficult to which realization vacuumizes work, and can influence the sealing of aluminium foil box.
To solve the above problems, the crimping of aluminium foil box need to be avoided while bulk strength is strengthened higher than flat where flange
Face, makes the upper surface of aluminium foil box be in a plane, but such aluminium foil box is relatively difficult during fabrication, existing mould
Have the damage that aluminium foil box product is easily caused in shaping, cause product quality not up to standard；Or crimping is inadequate in place during shaping,
Influence subsequent use.
Therefore, the present invention devises a kind of mould for being used to be molded inverse hemming aluminium foil box, by blanking die 42, blanking
The fin and groove of mutual cooperation are set respectively on punch-pin 41, and 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 crimping being molded is inverse hemming.
Specifically, the present invention is a kind of mould for integrating blanking drawing process, between upper bolster 20 and die shoe 10
Folding mould is carried out by the multiple guide pillars 12 and guide pin bushing 22 of mutual cooperation, the quantity of preferably guide pillar 12 and guide pin bushing 22 is respectively four
It is individual, divide the edge for being listed in correspondence die holder.Aluminium foil sheet material for being molded aluminium foil box is continuously introduced into mould, really close to stretching
The upper surface of punch-pin 31（Namely the upper surface of stripper 14）Conveying, once, aluminium foil sheet material is correspondingly moved mould open/close mould
Certain distance.
Discharging may be considered what is carried out simultaneously with stretching, and upper bolster 20 drives stretching cavity plate 32, blanking punch 41 together
Move down, when blanking punch 41 is moved 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 now been stretched
Into.
Blanking punch 41 equally coordinates close, a part of aluminium foil sheet material to be located at blanking punch 41 with blanking die 42 simultaneously
Between blanking die 42, and then, 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 supporting plate 13 with lower template 11 in the present embodiment, while the setting of supporting plate 13 increases
The distance between big stripper 14 and lower template 11, and then move up and down offer space for blanking die 42.Specifically, branch
The middle part of fagging 13 and stripper 14 has opened up through hole, and stretching convex die 31 is actually located in the through hole, further, support
Surround to form movable chamber 61 between plate 13, stripper 14, lower template 11 and stretching convex die 31, and set 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 an initial condition, the upper surface of blanking die 42 is located at the upper surface of stretching convex die 31（Discharging
The upper surface of plate 14）Lower section, during matched moulds, after blanking punch 41, which crosses stripper 14, realizes discharging, blanking punch 41 is under
Contacted during shifting with blanking die 42 and be further driven to blanking die 42 and moved down.
Preferably, the curved setting of the inwall of annular groove 411 and the close stretching cavity plate 32 side circle of the annular groove 411
Arc transits to the lower surface of blanking punch 41.
Annular groove 411, to the lower surface of blanking punch 41, is easy to aluminium foil close to the stretching side arc transition of cavity plate 32
Material being capable of gentle transition when forming crimping, it is to avoid right angle bends and causes aluminium foil sheet material damaged.
Further, circular fin 421 has two sides 4211 and the two sides 4211 setting in curved surface, circular fin
421 cross section is set in class isosceles triangle.
Circular fin 421 is really to be set close to stretching convex die 31, two sides of setting in curved surface on circular fin 421
Face 4211, the side 4211 close to stretching convex die 31 is engaged with the structure of arc transition on annular groove 411, is easy to aluminium foil
Material gentle transition is to where crimping, and another then coordinates jointly with the arc inner wall of annular groove 411, be easy to aluminium foil sheet material along
The formation cross section of forming cavity 62 is circular crimping, enhancing structure intensity, while the aesthetic property also improved.
Specifically, preferred stretching convex die 31 is located in lower template 11 in the present embodiment, stretching cavity plate 32 is located at cope plate 21
On, therefore the aluminium foil box of shaping is really inverted, and then the corresponding annular groove 411 of blanking punch 41 is located at blanking die 42
The top of corresponding annular ridge, the inverse hemming of final molding be really first towards aluminium foil box bottom curling then again towards
The top curling of aluminium foil box, so as to realize the shaping of inverse hemming.
It is noted that the position on blanking die 42 in addition to fin, is in same plane, is not recessed
Structure so that the crimping of shaping 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
Progress vacuumizes work.
As shown in Figures 2 to 4, it is preferable that the bottom of blanking die 42 is fixed with the portable plate 15 in movable chamber 61, exist
Pull bar 16 is equipped with portable plate 15 and pull bar 16 extends downwardly through lower template 11 and part is stretched into die shoe 10, pull bar 16
On be also arranged with spring（Not shown in figure）And spring is located between portable plate 15 and lower template 11, portable plate 15 can drive blanking
Cavity plate 42 is moved up and down in movable chamber 61.
Blanking die 42 is flexibly connected by portable plate 15 with lower template 11, and specific blanking die 42 is consolidated with portable plate 15
Fixed connection, portable plate 15 is stretched into die shoe 10 by pull bar 16 through the part of lower template 11, and the setting of pull bar 16 can also be work
Dynamic plate 15 provides guide effect, and pull bar 16 is acted together with portable plate 15, blanking die 42 when mobile, and the quantity of pull bar 16 can
Selected, be not construed as limiting in the present embodiment according to actual needs.
In addition, set is set in the spring between portable plate 15 and lower template 11, during matched moulds, blanking punch 41 on pull bar 16
The related portable plate 15 of blanking die 42 is promoted to move down, now spring is compressed；During die sinking, the reasoning blanking die of blanking punch 41
42, spring reset drives portable 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, in actually manufacture, naturally it is also possible to will
Blanking die 42 and fixed plate integral type are set, but due to blanking die 42 be easier during continuously moving up and down by
Damage, and the precision of blanking die 42 is of a relatively high, if blanking die 42 is set to an entirety with fixed plate, has both added system
Difficulty is made, while be unfavorable for changing and maintenance 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 is brought into close contact upper surface of the upper surface less than stretching convex die 31 of setting and sleeve 17, blanking die with stretching convex die 31
Gap coordinates between 42 and sleeve 17 and blanking die 42 can be moved up and down along sleeve 17.
It is noted that being also closely arranged with sleeve 17 in the periphery of stretching convex die 31, sleeve 17 is really with herein
What template 11 was connected, while by the way of being coordinated between blanking die 42 and sleeve 17 using gap, so that blanking die 42 can edge
Sleeve 17 to move up and down, on the one hand the setting of sleeve 17 can further fix stretching convex die 31, on the other hand be further
The mobile offer guide effect of blanking die 42.
Preferably, step 171 is surrounded with the periphery of sleeve 17, when blanking die 42 is moved 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 contacted with blanking die 42 and energy during matched moulds
Continue to press on blanking die 42 to move down, promote stretching cavity plate 32 to coordinate with stretching convex die 31 and carry out drawing work, while certain
In degree cushioning effect, when blanking die 42 is moved to step 171, the following table of blanking die 42 can be carried out to blanking work
Face part is resisted against on step 171, and now the upper surface of blanking die 42 is concordant with the upper surface of sleeve 17, and stretching is completed.
It is noted that stretching the portion lower surface and the following table of 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, stretching cavity plate 32 part is resisted against the upper surface of sleeve 17, now, between stretching cavity plate 32 and sleeve 17
The turnup structure of aluminium foil sheet material formation aluminium foil box.
Wherein, the inwall of blanking die 42 coordinates with the gap of sleeve 17, and in an initial condition, the outer wall of blanking die 42
Coordinate with the inclined-plane of supporting plate 13, and the top section of blanking die 42 is contacted with stripper 14, and further blanking die 42 is entered
Row positioning, it is ensured that the stability of whole mould.
Preferably, the middle part of lower template 11 is raised 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 set around boss 111, and the circumferential lateral surface of preferred boss 111 is convex with stretching in the present embodiment
The circumferential lateral surface of mould 31 is overlapped, therefore, and 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 and set, 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
The face of rank 171 cooperates with boss 111 and fixed, and improves the stability of stretching convex die 31.
Further, the top of stretching convex die 31, which is embedded with push pedal 50, push pedal 50, is equipped with equally distributed multiple push rods
51, each push rod 51 extends downwardly and sequentially passes through stretching convex die 31, boss 111, lower template 11 and die shoe 10, push rod
51 upper surface is concordant with the upper surface of push pedal 50.
The setting of push pedal 50 is easy to after the completion of stretching, and the product aluminium foil box ejection die of shaping is made by push rod 51
Product is released with push pedal 50 and further act on product, the quantity of preferred push rod 51 is six herein, is uniformly distributed
In push pedal 50.Also include the ejection resetting-mechanism being connected with push rod 51 in actual mould structure（Not shown in figure）If,
Put below die shoe 10, for driving push rod 51 to release push pedal 50.
Push pedal 50 is embedded at the top of stretching convex die 31 and makes the upper surface of push rod 51 concordant with the upper surface of push pedal 50, so
Setting can avoid the grade of push rod 51 from causing damage to 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 stretching cavity plate 32 and upper bolster 20 it
Between, backing plate 23 is connected with stretching cavity plate 32, upper bolster 20 respectively.
Specifically, the middle part of cope plate 21 really offers mounting hole, stretching cavity plate 32 is embedded in mounting hole, drawn simultaneously
Cavity plate 32 is stretched also to be connected by backing plate 23 and die shoe 10.Because stretching cavity plate 32 needs continually to be drawn with stretching convex die 31
Work is stretched, to slow down the stressing conditions of stretching cavity plate 32, there is provided backing plate 23, it is to avoid stretching cavity plate 32 is damaged, and 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
The fin and groove of mutual cooperation are put, is easy to be molded the reverse crimping of aluminium foil box and Forming Quality is good；Blanking die 42 and activity
The mutual cooperation realization of plate 15 is moved up and down, and is carried out cushioning effect to blanking work, is worked to be smoothed out blanking and ensure to fall
Expect quality；Push pedal 50 is easy to after shaping terminates release aluminium foil box product with the collective effect of push rod 51, and practicality 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.Modification or supplement or the similar side of use that those skilled in the art in the invention are carried out to described specific embodiment
Formula is replaced, and all should be covered by within protection scope of the present invention.
Claims (9)
1. a kind of mould for being used to be molded inverse hemming aluminium foil box, it is characterised in that including：
Die shoe, is installed with above lower template, lower template from the bottom to top covered with supporting plate, stripper, lower template middle part thereon
It is fixed with stretching convex die and punch-pin extends upward through supporting plate, stripper, the upper surface of stretching convex die and the upper table of stripper respectively
Face is concordant, is arranged with blanking die around stretching convex die, the upper surface portion of blanking die raises up to form circular fin, institute
State and the movable chamber to be formed and be moved up and down for blanking die, lower mould are surrounded between supporting plate, stripper, lower template and stretching convex die
Each edge of seat is equipped with guide pillar；
Upper bolster, is arranged on above die shoe, and the end face that upper bolster faces die shoe is installed with cope plate, cope plate and is inserted with
The stretching cavity plate being correspondingly arranged with stretching convex die, and it is convex that the blanking being correspondingly arranged with blanking die is provided with around stretching die case
Mould, the lower surface of blanking punch offers annular groove corresponding with circular fin, each edge of upper bolster be also equipped with
The one-to-one guide pin bushing of guide pillar, when upper bolster is moved towards die shoe and stretching cavity plate is 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 mould for being used to be molded inverse hemming aluminium foil box according to claim 1, it is characterised in that the annular is recessed
The lower surface of the curved setting of the inwall of groove and the annular groove close to stretching cavity plate side arc transition to blanking punch.
3. a kind of mould for being used to be molded inverse hemming aluminium foil box according to claim 1 or 2, it is characterised in that the ring
Shape fin has two sides and two sides setting in curved surface, and the cross section of circular fin is set in class isosceles triangle.
4. a kind of mould for being used to be molded inverse hemming aluminium foil box according to claim 1 or 2, it is characterised in that blanking is recessed
Mould bottom is fixed with the portable plate in movable chamber, and pull bar is equipped with portable plate and pull bar extends downwardly through lower template
And part is stretched into die shoe, spring is also arranged with pull bar and spring is located between portable plate and lower template, the portable plate
Blanking die can be driven to be moved up and down in movable chamber.
5. a kind of mould for being used to be molded inverse hemming aluminium foil box according to claim 1 or 2, it is characterised in that in stretching
The sleeve being connected with lower template is additionally provided between punch-pin and blanking die, sleeve is brought into close contact setting and sleeve with stretching convex die
Upper surface be less than the upper surface of stretching convex die, gap coordinates between blanking die and sleeve and blanking die can be along on sleeve
Lower movement.
6. a kind of mould for being used to be molded inverse hemming aluminium foil box according to claim 5, it is characterised in that in sleeve periphery
Be surrounded with step, when blanking die is moved down and part is resisted against on step, the upper surface of blanking die and sleeve it is upper
Flush.
7. a kind of mould for being used to be molded inverse hemming aluminium foil box according to claim 1 or 2, it is characterised in that lower template
Middle part is raised up to form boss, and above-mentioned stretching convex die is resisted against on boss, if being provided with bolt stem in lower template and each
Bolt is upward through boss and is connected with stretching convex die.
8. a kind of mould for being used to be molded inverse hemming aluminium foil box according to claim 7, it is characterised in that stretching convex die top
Portion, which is embedded with push pedal, push pedal, is equipped with equally distributed some push rods, and each push rod extends downwardly and sequentially passes through stretching
Punch-pin, boss, lower template and die shoe, the upper surface of push rod are concordant with the upper surface of push pedal.
9. a kind of mould for being used to be molded inverse hemming aluminium foil box according to claim 1 or 2, it is characterised in that in upper mould
Backing plate is also embedded with plate, and backing plate is located between stretching cavity plate and upper bolster, the backing plate is respectively with stretching cavity plate, upper bolster
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710361266.2A CN106964703B (en) | 2017-05-20 | 2017-05-20 | A kind of mold for being molded inverse hemming aluminium foil box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710361266.2A CN106964703B (en) | 2017-05-20 | 2017-05-20 | A kind of mold for being molded inverse hemming aluminium foil box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106964703A true CN106964703A (en) | 2017-07-21 |
| CN106964703B CN106964703B (en) | 2018-08-17 |
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Cited By (6)
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| CN108454169A (en) * | 2017-07-26 | 2018-08-28 | 枣阳徳立智机械制造有限公司 | A kind of full paper side bucket necking forming production technology of necking and special equipment |
| 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 |
| CN112389022A (en) * | 2020-10-15 | 2021-02-23 | 瑞安市正大机械有限公司 | Paper dinner plate forming machine |
| CN114074140A (en) * | 2022-01-18 | 2022-02-22 | 恩葛智能科技(南通)有限公司 | Aluminum foil lunch box turn-up device with automatic reset function |
| CN115194889A (en) * | 2021-04-09 | 2022-10-18 | 盐城东晟精密科技有限公司 | A cutting device for aluminium foil |
| CN117066392A (en) * | 2023-10-16 | 2023-11-17 | 靖江市东达铝业有限公司 | Forming press for processing aluminum box |
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| CN117066392B (en) * | 2023-10-16 | 2023-12-15 | 靖江市东达铝业有限公司 | Forming press for processing aluminum box |
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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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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 |
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