CN108189469A - A kind of uniform paper lunch-box molding machine and forming method of discharging - Google Patents

A kind of uniform paper lunch-box molding machine and forming method of discharging Download PDF

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Publication number
CN108189469A
CN108189469A CN201810097856.3A CN201810097856A CN108189469A CN 108189469 A CN108189469 A CN 108189469A CN 201810097856 A CN201810097856 A CN 201810097856A CN 108189469 A CN108189469 A CN 108189469A
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CN
China
Prior art keywords
box
folding
box body
paper
unit
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CN201810097856.3A
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Chinese (zh)
Inventor
陈晓东
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Pingtan Integrity Wisdom Technology Co Ltd
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Pingtan Integrity Wisdom Technology Co Ltd
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Application filed by Pingtan Integrity Wisdom Technology Co Ltd filed Critical Pingtan Integrity Wisdom Technology Co Ltd
Priority to CN201810097856.3A priority Critical patent/CN108189469A/en
Publication of CN108189469A publication Critical patent/CN108189469A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31DMAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/02Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles including pressing

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  • Making Paper Articles (AREA)

Abstract

The present invention provides a kind of uniform paper lunch-box molding machine of discharging and forming methods, are related to daily necessities manufacturing equipment technical field.Wherein, including platform body;Feeding unit, for conveying paper embryo;Feed mechanism, for being adsorbed to the guide guide rail by one of the paper stacked in rack embryo bottom;First shaping mechanism is set in the platform body and positioned at the feed mechanism downstream, including dynamic model, cover half and the first pneumatic cylinder, for forming a groove on the box cover shaping area;Second shaping mechanism, including flattening unit, molding die, the second pneumatic cylinder and rotary drive unit;The molding die is fixedly installed in the platform body, for being molded box body;It is described to flatten unit to realize the pressing of the folding part to box body shaping area.Directly squeezing for box body shaping area causes gauffer during a kind of uniform paper lunch-box molding machine that discharges of the present invention can effectively overcome the problems, such as traditional operation, and whole discharging is uniform, and function is easy.

Description

A kind of uniform paper lunch-box molding machine and forming method of discharging
Technical field
The present invention relates to daily necessities manufacturing equipment technical field, in particular to a kind of uniform paper lunch-box of discharging Molding machine and forming method.
Background technology
With the improvement of living standards, people's convenient demand in terms of diet is also increasing, more and more paper meal Box is required, and there are still many problems for the shaping equipment of current paper lunch-box, can not mold satisfactory paper meal Box.
Such as 1028623177 A paper lunch-box molding machines of Chinese patent CN and forming method, wherein using the first heated mould Block heats come the folding part of the box body shaping area to paper embryo, but when the temperature that paper embryo is moved to molding die group folding part is early Molding can not be played the role of to easily lead to folding part well and can not fold according to folding line, while folding by having reduced It also can not accurately be flattened in box body after portion's molding, easily directly squeezed by male model and generate gauffer;In addition to this, feeding Module is also easy to the frictional force because many paper embryos are stacked and the paper embryo of one or more disposably is adsorbed onto very much guide rail greatly On, lead to the problems in the waste of paper embryo or other process occur.
Invention content
The present invention provides a kind of dischargings easy to use, discharge molding and pressing uniform, that can effectively realize folding part Uniform paper lunch-box molding machine and forming method, it is intended to improve box body shaping area in traditional paper lunch-box former operating process Direct the technical issues of squeezing the problem of be easy to causeing gauffer.
The invention is realized in this way:
A kind of uniform paper lunch-box molding machine of discharging, for being a cutlery box by a paper embryo forming, which includes a box Body formed area and a box cover shaping area, the box body forming part include middle part, positioned at the upper and lower, left and right direction of middle section Side of sidewall portion, positioned at the folding part of adjacent side wall part intersection, the box body shaping area can be rolled over by folding the folding part Vertical to form a box body, which includes:
Platform body;
Feeding unit is set in the platform body, including guide guide rail and pusher part, for conveying paper embryo;
Feed mechanism is set in the platform body, and including suction part and rack, the suction part is used for will be in rack One of the paper embryo bottom of stacking is adsorbed on the guide guide rail;
The rack includes first baffle, second baffle, several limiting plates and several support feets, and the support feet is consolidated Due in the platform body, each limiting plate is respectively arranged in each support feet to limit paper embryo Position, the first baffle level is fixed on the limiting plate and centre offers out material through hole, and the second baffle level is consolidated Material through hole is offered out due on the limiting plate and centre, the second baffle is located at immediately below the first baffle, described First baffle is used to place paper embryo to be discharged;The suction part includes sucker, support tablet and third pneumatic cylinder;
First shaping mechanism is set in the platform body and positioned at the feed mechanism downstream, including dynamic model, cover half With the first pneumatic cylinder, for forming a groove on the box cover shaping area;
Second shaping mechanism is set in the platform body and positioned at the first shaping mechanism downstream, including flattening Unit, molding die, the second pneumatic cylinder and rotary drive unit, second pneumatic cylinder is driving the pressing unit by box The middle section in body formed portion is pressed into the molding die so that each side of sidewall portion be bent to form with respect to middle part it is accommodating recessed Slot;Simultaneously each folding part the side of sidewall portion with respect to middle part bend and it is described folding unit under the action of be squeezed and Along the position protrusion of the adjacent wall of containing groove;The rotary drive unit is in phase of the folding part along containing groove The pressing unit is driven to stir the folding part after the position protrusion of side wall so that the folding part be pressed on it is described accommodating recessed On the side wall of slot;
The molding die is fixedly installed in the platform body, for being molded box body, the mould including being provided with forming tank Tool ontology, the first stripper plate being fixed on first spring, is fixed on institute at the first spring being set in the forming tank The fixed link on the first stripper plate and the second stripper plate being fixed in the fixed link are stated, the die ontology quadrangle opens up There is a recessing groove extended to first stripper plate;
The pressing unit is set to above the molding die, including molded part, drive link, flattens part, the transmission Bar is fixedly connected with the push-off pin of second pneumatic cylinder to realize the molded part and described flatten part in the vertical direction Elevating movement, the molded part include a horizontal pressure foot and are obliquely installed in four box walls molding on four side of horizontal pressure foot Plate, it is described flatten part include four with the drive link uniformly and the distribution that is centrosymmetric elastic locating back, the pressing part It can be under rotary drive unit effect around the drive link rotary motion, to realize the pressure to the folding part of box body shaping area It is flat.
As a further improvement, second shaping mechanism further comprises folding unit, the quantity for folding unit Be four, be respectively arranged at the die ontology four corners, each fold unit include V-type wraping plate, fixed seat, second spring and Push jack;Under original state, described V-type wraping plate one end is connected to across the recessing groove below first stripper plate, second end It is articulated in the fixed seat, the other end is equipped with the push jack extended into the forming tank, and first stripper plate moves downward When, described V-type wraping plate one end is squeezed so that push jack is inwardly moved with the folding part in the body formed area of shaping box, the V-type wraping plate one End is detached from after first stripper plate between first stripper plate and second stripper plate, and the second spring is used for In the described first extruding sheet reset described V-type wraping plate one end is connected to again below first stripper plate;
As a further improvement, the push jack is a triangular piece being adapted with the folding part of box body shaping area, it is described Second spring one end is fixed in the platform body, and the other end is fixedly connected with one side of the V-type wraping plate where the push jack.
As a further improvement, the rotary drive unit includes driving motor, active transmission gear, slave drive gear And drive sleeve;The slave drive gear is meshed with the active transmission gear and fixing sleeve is set in the drive sleeve, institute It states drive sleeve to be sheathed on the drive link and be provided with bearing between the drive link, the elasticity locating back and the biography Dynamic set is fixedly connected, and the elastic locating back is driven to rotate under the rotation of the slave drive gear to realize.
As a further improvement, further comprise the first heating arrangements and the second heating arrangements, first heating arrangements For being heated before the dynamic model is pressed into cover half to the cover half;Second heating arrangements are set to first heating structure Downstream, second heating arrangements be flange form electric tube heater, second heating arrangements include four with box body into The folding part in type area faces the electric heating pipe unit of setting.
As a further improvement, the second baffle goes out go out material through hole small, definition of the material through hole than the first baffle The distance between the second baffle and the first baffle are d, and wherein d's is ranging from more than or equal to 2cm.
A kind of anti-fold paper lunch-box forming method, using any one above-mentioned paper lunch-box molding machine, step is such as Under:
S1:One of paper embryo bottom stacked in rack is adsorbed on the guide guide rail by the suction part;
S2:The pusher part conveying paper embryo makes its box body shaping area be located above second heating arrangements, box cover molding Area is located above first heating arrangements, at this time second heating arrangements and first heating arrangements work;
S3:The first pneumatic cylinder release controls the dynamic model to be moved to cover half and is squeezed out on box cover shaping area with realizing One groove, first pneumatic cylinder are retracted;
S4:The pusher part conveying paper embryo makes its box body shaping area be located above the molding die, second air pressure Cylinder, which is released, squeezes paper embryo to a box body is made it be shaped on the die ontology, at this time the push jack release be molded box body into The folding part in type area;
S5:The second pneumatic cylinder continuation pushes down, and the push jack exits the folding part of box body shaping area;
S5:The driving motor control pressing part rotation, folding part is flattened in box body, second pneumatic cylinder It retracts;
S6:The pusher part returns to initial position, carries out the molding of next paper embryo.
The beneficial effects of the invention are as follows:
It is 1. logical with reference to its discharging using the structure of two layers of baffle in a kind of uniform paper lunch-box molding machine that discharges of the present invention The size in hole and the distance between two layers, can be in first baffle and second gear if ensure to have the plurality of sheets of paper embryo adsorbed together Since gravity and wind-force effect are lower separately in space between plate so that a piece of paper embryo of sucker suction bottom, while second Baffle goes out that material through hole is smaller, and also paper embryo can be sucked out more easily, is effectively ensured that discharging is uniform, ensures the primary dynamic of sucker Make that only a piece of paper embryo is adsorbed on guide guide rail, solving causes often since a large amount of paper embryos are stacked on the first baffle Frictional force between piece paper embryo and every paper embryo is excessive, when sucker suction it is possible that by paper embryo more than two panels and two panels The problem of absorbing together.
2. using the structure for folding unit connecting shaping mold in a kind of uniform paper lunch-box molding machine that discharges of the present invention Can effectively realize when molded part squeezes box body shaping area to the second stripper plate, the second stripper plate drive the first stripper plate to To realize the extruding to V-type seesaw, V-type seesaw releases push jack using the principle of seesaw accurately to squeeze box body for lower movement Form folding part at the folding of shaping area, at the same using the first stripper plate size design realize to be formed push jack behind folding part from It is dynamic to retract to ensure that subsequent applanation process bump against push jack, the first bullet is finally utilized after molded part leaves the second stripper plate Spring drives the restoring force of the first stripper plate and second spring one end of V-type seesaw to be caused to be connected to again the thrust of V-type seesaw To carry out the jackknife action of lower sheet of paper embryo below first stripper plate, total very it is ingenious can effectively be molded box body into The folding part in type area and realization automatically reset, and solve traditional forming process directly squeezed and easily generate gauffer and add The problem of thermal effect does not persistently cause folding line to be not easy to be folded.
3. can effectively it be passed through using the structure for flattening unit in a kind of uniform paper lunch-box molding machine that discharges of the present invention Second pneumatic cylinder drives molded part to carry out just one-step forming to box body shaping area, and combines driving motor and the rotation for flattening part is made It is whole effectively to be solved in traditional forming process using such structure for realizing pressing of the elastic locating back to folding part The problem of folding part is easily directly damaged by pressure or crumpled by folding part is squeezed directly down, and clever structure can effectively coordinate folding single Member realizes the process of folding and pressing to folding part, more preferable compared to traditional its molding effect of cutlery box former, no It is also easy to produce gauffer.
Description of the drawings
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram for the uniform paper lunch-box molding machine that discharges of the present invention;
Fig. 2 is the structure enlargement diagram that unit is flattened in a kind of uniform paper lunch-box molding machines that discharge of Fig. 1;
Fig. 3 is the structural representation that unit and molding die are folded in a kind of uniform paper lunch-box molding machine that discharges of the present invention Figure;
Fig. 4 is the plan view before paper embryo is unformed;
Fig. 5 is the structure diagram after paper embryo forming;
Fig. 6 is the structure diagram at shaping mechanism in a kind of uniform paper lunch-box molding machine that discharges of the present invention.
Main element symbol description
Platform body 10,
Feeding unit 20, guide guide rail 21,
Feed mechanism 30,
Suction part 31, sucker 311, support tablet 312, third pneumatic cylinder 313,
Rack 32, first baffle 321, second baffle 322, limiting plate 323, support feet 324,
First shaping mechanism 40, dynamic model 41, cover half 42, the first pneumatic cylinder 43,
Second shaping mechanism 50,
Flatten unit 51, molded part 511, horizontal pressure foot 5111, box wall profiled sheeting 5112,
Drive link 512, flatten part 513, elastic locating back 5131, fixed hub 5132, strut 5133,
Fold unit 52, V-type seesaw 521, fixed seat 522, second spring 523, push jack 524,
Molding die 53, die ontology 531, recessing groove 5311, the first spring 532, the first stripper plate 533, fixed link 534th, the second stripper plate 535,
Rotary drive unit 54, driving motor 541, active transmission gear 542, slave drive gear 543, drive sleeve 544,
Second pneumatic cylinder 55,
First heating arrangements 60,
Second heating arrangements 70,
Paper embryo X,
Box body shaping area X1, tablet X11, groove X12
Box cover shaping area X2, folding part X21, box body X22,
Specific embodiment
Purpose, technical scheme and advantage to make embodiment of the present invention are clearer, implement below in conjunction with the present invention The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality The mode of applying is the embodiment of a part of embodiment of the present invention rather than whole.Based on the embodiment in the present invention, ability The every other embodiment that domain those of ordinary skill is obtained without creative efforts, belongs to the present invention The range of protection.Therefore, below the detailed description of the embodiments of the present invention to providing in the accompanying drawings be not intended to limit will The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention, The every other embodiment that those of ordinary skill in the art are obtained without creative efforts belongs to this Invent the range of protection.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time The orientation or position relationship of the instructions such as needle ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of The description present invention and simplified description rather than instruction imply that signified equipment or element must be with specific orientation, Yi Te Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more, Unless otherwise specifically defined.
It please refers to Fig.1 to Fig. 6, a kind of uniform paper lunch-box molding machine of discharging, for a paper embryo X to be shaped to a meal Box, paper embryo X, which includes a box body shaping area X1 and a box cover shaping area X2, box body shaping area X1, has multiple foldings positioned at surrounding Folded portion X21, the box body forming part include middle part, positioned at the side of sidewall portion in the upper and lower, left and right direction of middle section, positioned at phase The folding part X21 of adjacent side of sidewall portion intersection, box body shaping area X1 can form a box body by folding the folding part X21 and folding up X22, box body have a tablet X11, for covering box space, the paper around a box space, box cover shaping area X2 is defined Cutlery box molding machine include platform body 10 and may be contained within feeding unit 20 in the platform body 10, feed mechanism 30, First shaping mechanism 40, the second shaping mechanism 50, the first heating arrangements 60 and the second heating arrangements 70.
It please refers to Fig.1, in embodiment, the feeding unit 20 is set in the platform body 10, including guide guide rail 21 and pusher part (not shown), for conveying paper embryo X;The pusher part is to make it can be along the guide by structure design The motion that guide rail 21 moves reciprocatingly can be that screw drives push jack to realize the structure moved back and forth, or segmentation Pneumatic cylinder driving push jack realize the structure of reciprocating motion, or existing paper lunch-box former is similar send for other Expect mechanism 30, do not repeat herein.
It please refers to Fig.1, in embodiment, the feed mechanism 30 is set in the platform body 10, including suction part 31 With rack 32, the suction part 31 is used to be adsorbed to the guide guide rail by one of the paper embryo X bottoms stacked in rack 32 On 21.
Further, the rack 32 includes first baffle 321, second baffle 322, several limiting plates 323 and several A support feet 324, the support feet 324 are fixed in the platform body 10, and each limiting plate 323 is respectively arranged at often For being limited to paper embryo X in a support feet 324, the limiting plate 323 is L-shaped, and the first baffle 321 is horizontal solid Material through hole is offered out due on the limiting plate 323 and centre, 322 level of second baffle is fixed on the limiting plate On 323 and centre offers out material through hole, and the second baffle 322 is located at immediately below the first baffle 321, the first gear For plate 321 for placing paper embryo X to be discharged, the limiting plate 323, which is respectively positioned on described in two, goes out four side of material through hole;The suction part 31 include sucker 311, support tablet 312 and third pneumatic cylinder 313, and the sucker 311 can be existing cylinder sucker 311, The quantity of the support tablet 312 is two, and level is fixed on 311 top of sucker respectively and two support tablets 312 simultaneously Row is set, and the adsorption space that the sucker 311 is reserved between two support tablets 312 is used to paper embryo X being adsorbed onto support tablet It is translated on 312, the third pneumatic cylinder 313 is fixedly installed in the platform body 10.
Specifically, the second baffle 322 go out material through hole than the first baffle 321 to go out material through hole small, define institute Each edge lengths for going out material through hole of first baffle 321 are stated respectively to should be greater than each edge lengths 1cm~2cm of paper embryo X, the second gear Each edge lengths for going out material through hole of plate 322 to should be greater than each edge lengths 0.5cm~1cm of paper embryo X, define the second baffle respectively The distance between 322 and the first baffle 321 are d, and wherein d's is ranging from more than or equal to 2cm.Wherein, due to a large amount of paper embryo X Being stacked in causes the frictional force between every paper embryo X and every paper embryo X excessive on the first baffle 321, inhaled in sucker 311 It is possible that paper embryo X more than two panels and two panels is absorbed together when attached, so using the structure of two layers of baffle, with reference to It goes out the size of material through hole and the distance between two layers, can be in first baffle if ensure to have the plurality of sheets of paper embryo X to be adsorbed together Since gravity and wind-force effect are lower separately in space between 321 and second baffle 322 so that sucker 311 adsorbs bottom A piece of paper embryo X, at the same second baffle 322 go out material through hole it is smaller also can more easily by paper embryo X be sucked out, discharging be effectively ensured Uniformly, ensure that a piece of paper embryo X is only adsorbed on guide guide rail 21 by the one-off of sucker 311.
It please refers to Fig.1, in embodiment, first shaping mechanism 40 is set in the platform body 10 and positioned at described 30 downstream of feed mechanism, including dynamic model 41,42 and first pneumatic cylinder 43 of cover half, for forming one on the box cover shaping area X2 Groove;The cover half 42 is fixedly installed in the platform body 10, and first pneumatic cylinder 43 is fixedly installed on platform body In one supporting table of 10 tops, and the push-off pin of first pneumatic cylinder 43 is fixedly connected with the dynamic model 41, the cover half Being recessed inwardly on 42 has an oval-shaped groove, and an oval-shaped groove being adapted with cover half 42 is outwardly protruded on the dynamic model 41, For the groove being molded on the tablet X11 of box cover shaping area X2.
It please refers to Fig.1 to Fig. 3, in embodiment, second shaping mechanism 50 is set in the platform body 10 and position In 40 downstream of the first shaping mechanism, including flattening unit 51, folding unit 52, molding die 53,55 and of the second pneumatic cylinder Rotary drive unit 54, second pneumatic cylinder 55 is driving the pressing unit 51 to divide the middle part of box body forming part Enter the molding die, so that each side of sidewall portion is bent to form containing groove with respect to middle part;Each folding part exists simultaneously The side of sidewall portion with respect to middle part bend and the folding unit under the action of be squeezed and along the adjacent wall of containing groove Position protrusion;The rotary drive unit 54 is in position protrusion rear-guard of the folding part along the phase side wall of containing groove The dynamic pressing unit stirs the folding part, so that the folding part is pressed on the side wall of the containing groove.
It please refers to Fig.2, in embodiment, the molding die 53 is fixedly installed in the platform body 10, for being molded The outer shape of box body X22, including the die ontology 531 for being provided with forming tank, the first spring being set in the forming tank 532nd, the first stripper plate 533 being fixed on first spring 532, the fixed link being fixed on first stripper plate 533 534 and the second stripper plate 535 for being fixed on the drive link 512,531 4 jiaos of the die ontology offers one to described The recessing groove 5311 of first stripper plate 533 extension, second stripper plate 535 can drive first stripper plate 533 to squeeze institute The first spring 532 is stated, the area of second stripper plate 535 is more than the area of first stripper plate 533, and is molded with last Box body lower surface area equation.
The quantity for folding unit 52 is four, is respectively arranged at 531 four corners of die ontology, each fold list Member 52 includes V-type seesaw 521, fixed seat 522, second spring 523 and push jack 524;Under original state, the V-type seesaw 521 1 End is connected to 533 lower section of the first stripper plate across the recessing groove 5311, and second end is articulated in the fixed seat 522, The other end is equipped with the push jack 524 extended into the forming tank, when first stripper plate 533 moves downward, squeezes the V-type 521 one end of seesaw causes push jack 524 inwardly to move with the folding part X21 of the body formed area X1 of shaping box, the V-type seesaw 521 1 End is detached from after first stripper plate 533 between first stripper plate 533 and second stripper plate 535, and described the Two springs 523 when first stripper plate 533 resets for causing described 521 one end of V-type seesaw to be connected to described the again One stripper plate, 533 lower section.
Specifically, the push jack is a triangular piece being adapted with the folding part X21 of box body shaping area X1, described second 523 one end of spring is fixed in the platform body 10, and one side of the other end and the V-type seesaw 521 where the push jack is fixed Connection.
It can effectively be realized box body shaping area in molded part 511 using the structure for folding 52 connecting shaping mold 53 of unit When X1 is squeezed to the second stripper plate 535, the second stripper plate 535 drives the first stripper plate 533 to move downward to realize to V-type seesaw 521 extruding, V-type seesaw 521 are released push jack 524 with the folding of the body formed area X1 of accurately extrusion box using the principle of seesaw Folded place forms folding part X21, while realizes to form push jack 524 after the X21 of folding part using the size design of the first stripper plate 533 Automatically it retracts to ensure that subsequent applanation process will not bump against push jack 524, finally leaves the second stripper plate 535 in molded part 511 Afterwards using the first spring 532 drive the first stripper plate 533 restoring force and second spring 523 to the thrust of V-type seesaw 521 again So that one end of V-type seesaw 521 is connected to 533 lower section of the first stripper plate to carry out the jackknife action of lower sheet of paper embryo X, entirely Structure very it is ingenious can the effectively folding part X21 of the body formed area X1 of shaping box and realize automatically reset, solve traditional The forming process directly squeezed, which easily leads to the problem of gauffer and heating effect, does not cause persistently folding line to be not easy to be folded.
It please refers to Fig.1 to Fig. 2 and Fig. 6, in embodiment, the pressing unit 51 is set on the molding die 53 Side including molded part 511, drive link 512, flattens part 513, the push-off pin of the drive link 512 and second pneumatic cylinder 55 It is fixedly connected to realize the elevating movement of the molded part 511 and the pressing part 513 in the vertical direction, the molded part 511 include a horizontal pressure foot 5111 and are obliquely installed in four box wall profiled sheetings 5112 on 5,111 4 side of horizontal pressure foot, It is described flatten part 513 include four with the drive link 512 uniformly and the distribution that is centrosymmetric elastic locating back 5131, it is described Part 513 is flattened to be molded box body to realize under the rotary drive unit 54 effect around 512 rotary motion of drive link The pressing of the folding part X21 of area X1.
Further, the pressing part 513 further comprises a fixed hub 5132 and four struts 5133, described four The end of strut 5133 is respectively fixedly connected with an elastic locating back 5131, and the elasticity locating back 5131 can be elastic rubber slab Or elastic plastic plate or other elastic metal sheets, it is described when elastic locating back 5131 is located at the box wall profiled sheeting 5112 Elastic locating back 5131 is in flexuosity, when elastic locating back 5131 is moved to die ontology under the drive of driving motor 541 At 531 4 jiaos, the elasticity locating back 5131 becomes tablet X11 by bending, and elastic locating back 5131 is by the folding after folding at this time Folded portion X21 flatten on the inner wall of box body to form the state of folding part X21 in Fig. 5.
Specifically, the rotary drive unit 54 includes driving motor 541, active transmission gear 542, slave drive gear 543 and drive sleeve 544;The slave drive gear 543 is meshed with the active transmission gear 542 and fixing sleeve is set on described In drive sleeve 544, the drive sleeve 544 is sheathed on the drive link 512 and is provided with axis between the drive link 512 It holds, the drive sleeve 544 is fixedly connected to realize the elastic locating back 5131 and the transmission with the fixed hub 5132 Set 544 is fixedly connected, and the elastic locating back 5131 is driven to revolve under the rotation of the slave drive gear 543 to realize Turn.
Molded part 511 effectively can be driven by the second pneumatic cylinder 55 using the structure for flattening unit 51 to be molded to box body Area X1 carries out just one-step forming, and realizes that elastic locating back 5131 is right to the turning effort for flattening part 513 with reference to driving motor 541 The pressing of folding part X21, it is whole effectively to solve to squeeze folding in traditional forming process directly down using such structure The problem of folding part X21 is easily directly damaged by pressure or crumpled by portion X21, clever structure can effectively coordinate and fold unit 52 to realize It is more preferable compared to traditional its molding effect of cutlery box former to the process of folding and the pressing of folding part X21, it is not likely to produce Gauffer.
It please refers to Fig.1, in embodiment, first heating arrangements 60 are used for before the dynamic model 41 is pressed into cover half 42 to institute It states cover half 42 to heat, first heating arrangements 60 are an electric tube heater;Second heating arrangements 70 are set to described The downstream of first heating structure, second heating arrangements 70 be flange form electric tube heater, second heating arrangements 70 The electric heating pipe unit of setting is faced including the folding part X21 of four and box body shaping area X1.Using the second heating arrangements 70 The setting of electrothermal tube position can be heated effectively for the folding part X21 of box body shaping area X1, directly be led to compared to traditional Cross electric tube heater heated come more targetedly, more can effectively to folding part X21 carry out wire type heating rather than The heating of traditional point type.
It please refers to Fig.1 to Fig. 6, in embodiment, a kind of anti-fold paper lunch-box forming method, its step are as follows:
S1:The suction part 31 is adsorbed to the guide guide rail 21 by one of the paper embryo X bottoms stacked in rack 32 On;
S2:The pusher part conveying paper embryo X makes its box body shaping area X1 be located at 70 top of the second heating arrangements, box cover Shaping area X2 is located at 60 top of the first heating arrangements, at this time second heating arrangements 70 and first heating arrangements 60 The folding part X21 to box body shaping area X1 and box cover shaping area X2 are heated respectively for work;
S3:First pneumatic cylinder 43, which is released downwards, controls the dynamic model 41 to be moved to cover half 42 to realize in box cover molding An oval-shaped groove X12 is squeezed out on area X2, then first pneumatic cylinder 43 is retracted;
S4:The pusher part conveying paper embryo X makes its box body shaping area X1 be located above the molding die 53, and described second Pneumatic cylinder 55, which is released, squeezes paper embryo X to a box body X22 is made it be shaped on the die ontology 531, described second squeezes at this time Pressing plate 535 pushes first stripper plate 533 to move downward under the extruding of the molded part 511,532 quilt of the first spring Compression and described 521 one end of V-type seesaw be extruded, the push jack 524 on the other end of the V-type seesaw 521 is driven to release with into The folding part X21 of the body formed area X1 of flask;
S5:Second pneumatic cylinder 55 continues to push down, and one end of the V-type seesaw 521 is detached from described first and squeezes 533 bullet of plate is to 535 lower section of the second stripper plate, and the push jack 524 exits the folding part X21 of box body shaping area X1 at this time;
S5:The driving motor 541 controls the pressing part 513 to rotate, and the elasticity flattens piece rotation and by folding part X21 is flattened in box body, and then second pneumatic cylinder 55 is retracted, and first stripper plate 533 is in the reply of the first spring 532 It is moved upwards under power and squeezes the V-type seesaw 521, the V-type seesaw 521 coordinates second spring 523 to come back to described the One stripper plate, 533 lower section is simultaneously abutted against with first stripper plate 533;
S6:The pusher part returns to initial position, carries out molding or the pass hull closure of next paper embryo X.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made is any Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of uniform paper lunch-box molding machine of discharging, for being a cutlery box by a paper embryo forming, which includes a box body Shaping area and a box cover shaping area, the box body forming part include middle part, positioned at the upper and lower, left and right direction of middle section Side of sidewall portion, positioned at the folding part of adjacent side wall part intersection, the box body shaping area can be by folding the folding part and folding up Form a box body, which is characterized in that the paper lunch-box molding machine includes:
Platform body;
Feeding unit is set in the platform body, including guide guide rail and pusher part, for conveying paper embryo;
Feed mechanism is set in the platform body, and including suction part and rack, the suction part is used to stack in rack One of paper embryo bottom be adsorbed on the guide guide rail;
The rack includes first baffle, second baffle, several limiting plates and several support feets, and the support feet is fixed on In the platform body, each limiting plate is respectively arranged in each support feet to limit paper embryo, institute State that first baffle level is fixed on the limiting plate and centre offers out material through hole, the second baffle level is fixed on institute It states on limiting plate and centre offers out material through hole, the second baffle is located at immediately below the first baffle, the first gear Plate is used to place paper embryo to be discharged;The suction part includes sucker, support tablet and third pneumatic cylinder;
First shaping mechanism is set in the platform body and positioned at the feed mechanism downstream, including dynamic model, cover half and the One pneumatic cylinder, for forming a groove on the box cover shaping area;
Second shaping mechanism is set in the platform body and positioned at the first shaping mechanism downstream, including flatten unit, Fold unit, molding die, the second pneumatic cylinder and rotary drive unit, second pneumatic cylinder is driving the pressing unit The middle section of box body forming part is pressed into the molding die so that each side of sidewall portion be bent to form with respect to middle part it is accommodating Groove;Each folding part is squeezed under the action of the side of sidewall portion is with respect to middle part bending and the folding unit simultaneously And the position protrusion of the adjacent wall along containing groove;The rotary drive unit in the folding part along containing groove The pressing unit is driven to stir the folding part after the position protrusion of phase side wall, so that the folding part is pressed on described house On the side wall of groove;
The molding die is fixedly installed in the platform body, for being molded box body, the mold sheet including being provided with forming tank Body, the first stripper plate being fixed on first spring, is fixed on described at the first spring being set in the forming tank Fixed link and the second stripper plate being fixed in the fixed link on one stripper plate, the die ontology quadrangle offers one The recessing groove extended to first stripper plate;
The pressing unit is set to above the molding die, including molded part, drive link, flattens part, the drive link with The push-off pin of second pneumatic cylinder is fixedly connected to realize the lifting of the molded part and the pressing part in the vertical direction Movement, the molded part include a horizontal pressure foot and are obliquely installed in four box wall profiled sheetings on four side of horizontal pressure foot, The part that flattens includes four with the drive link uniformly and the elastic locating back for the distribution that is centrosymmetric, and the pressing part can be Around the drive link rotary motion under the rotary drive unit effect, to realize the pressing to the folding part of box body shaping area.
2. the uniform paper lunch-box molding machine of discharging according to claim 1, it is characterised in that:Second shaping mechanism Further comprise folding unit, the quantity for folding unit is four, is respectively arranged at the die ontology four corners, each It folds unit and includes V-type wraping plate, fixed seat, second spring and push jack;Under original state, described V-type wraping plate one end passes through described Recessing groove is connected to below first stripper plate, and second end is articulated in the fixed seat, and the other end is equipped with to the molding The push jack extended in slot, when first stripper plate moves downward, squeeze described V-type wraping plate one end so that push jack inwardly move with The folding part in the body formed area of shaping box, described V-type wraping plate one end are located at first stripper plate after being detached from first stripper plate Between second stripper plate, the second spring is used to cause the V-type wraping plate one in the described first extruding sheet reset End is connected to again below first stripper plate.
3. the uniform paper lunch-box molding machine of discharging according to claim 2, it is characterised in that:The push jack is one and box The triangular piece that the folding part in body formed area is adapted, described second spring one end are fixed in the platform body, the other end It is fixedly connected with one side of the V-type wraping plate where the push jack.
4. the uniform paper lunch-box molding machine of discharging according to claim 2, it is characterised in that:The rotary drive unit Including driving motor, active transmission gear, slave drive gear and drive sleeve;The slave drive gear is driven with the active Gear be meshed and fixing sleeve be set on the drive sleeve on, the drive sleeve be sheathed on the drive link and with the drive link Between be provided with bearing, the elasticity locating back is fixedly connected with the drive sleeve, with realization in the slave drive gear Rotation is lower to drive the elastic locating back rotation.
5. the uniform paper lunch-box molding machine of discharging according to claim 4, it is characterised in that:Further comprise that first adds Heat engine structure and the second heating arrangements, first heating arrangements are used to before the dynamic model is pressed into cover half heat the cover half; Second heating arrangements are set to the downstream of first heating structure, and second heating arrangements add for flange form electrothermal tube Hot device, folding part of second heating arrangements including four and box body shaping area face the electric heating pipe unit of setting.
6. the uniform paper lunch-box molding machine of discharging according to claim 1, it is characterised in that:The second baffle goes out Material through hole than the first baffle to go out material through hole small, define the distance between the second baffle and the first baffle as d, Wherein d's is ranging from more than or equal to 2cm.
7. a kind of anti-fold paper lunch-box forming method, which is characterized in that be molded dress using the paper lunch-box described in claim 5 It puts, its step are as follows:
S1:One of paper embryo bottom stacked in rack is adsorbed on the guide guide rail by the suction part;
S2:The pusher part conveying paper embryo makes its box body shaping area be located above second heating arrangements, box cover molding position Above first heating arrangements, second heating arrangements and first heating arrangements work at this time;
S3:First pneumatic cylinder, which is released, controls the dynamic model to be moved to cover half to realize that squeeze out one on box cover shaping area recessed Slot, first pneumatic cylinder are retracted;
S4:The pusher part conveying paper embryo makes its box body shaping area be located above the molding die, and second pneumatic cylinder pushes away Go out and squeeze paper embryo to a box body is made it be shaped on the die ontology, the push jack is released with the body formed area of shaping box at this time Folding part;
S5:The second pneumatic cylinder continuation pushes down, and the push jack exits the folding part of box body shaping area;
S5:The driving motor control pressing part rotation, folding part is flattened in box body, the second pneumatic cylinder contracting It returns;
S6:The pusher part returns to initial position, carries out the molding of next paper embryo.
CN201810097856.3A 2018-01-31 2018-01-31 A kind of uniform paper lunch-box molding machine and forming method of discharging Pending CN108189469A (en)

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CN112389029B (en) * 2020-10-31 2024-05-03 乐陵帝荣包装机械设备有限公司 Paper bending device and paper bending processing method

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