CN208197667U - A kind of anti-fold paper lunch-box molding machine - Google Patents

Abstract

The utility model provides a kind of anti-fold paper lunch-box molding machine, is related to daily necessity manufacturing equipment technical field.Wherein, including platform body；Feeding unit, for conveying paper embryo；Feeding mechanism, for being adsorbed to the guide guide rail for one of the paper embryo bottom stacked in material frame；First shaping mechanism is set in the platform body and is located at the feeding 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 flatten unit, molding die, the second pneumatic cylinder and rotary drive unit；The molding die is fixedly installed in the platform body, for forming box body；It is described to flatten unit to realize the pressing of the folding part to box body shaping area.A kind of anti-fold paper lunch-box molding machine of the utility model can effectively overcome the problems, such as that the direct extruding of box body shaping area during traditional operation causes gauffer, and whole discharging is uniform, and function is easy.

Description

A kind of anti-fold paper lunch-box molding machine

Technical field

The utility model relates to daily necessity manufacturing equipment technical fields, eat in particular to a kind of anti-fold paper Box molding machine.

Background technique

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 machine 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 by having reduced, while folded It also can not accurately be flattened in box body after portion's molding, be easy directly to squeeze generation gauffer by male model；In addition to this, feeding Module is also easy to the frictional force because many paper embryos are stacked and one or more paper embryo is disposably adsorbed onto very much guide rail greatly On, lead to the problems in the waste of paper embryo or other process occur.

Utility model content

The utility model provide a kind of easy to use, discharging uniformly, can effectively realize the molding and pressing of folding part Anti-fold paper lunch-box molding machine, it is intended to which box body shaping area directly squeezes in the traditional paper lunch-box molding equipment operating process of improvement Pressure-volume easily causes the technical issues of the problem of gauffer.

The utility model is realized in this way:

A kind of anti-fold paper lunch-box molding machine, for being a cutlery box by a paper embryo forming, which includes a box body Shaping area and a box cover shaping area, box body shaping area have multiple folding parts positioned at surrounding, and box body shaping area can pass through folding The folding part and folding up 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；

Feeding mechanism is set in the platform body, including suction part and material frame, and the suction part will be for that will expect in frame One of the paper embryo bottom of stacking is adsorbed on the guide guide rail；

First shaping mechanism is set in the platform body and is located at the feeding 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 is located at first shaping mechanism downstream, including flattens Unit folds unit, molding die, the second pneumatic cylinder and rotary drive unit, and second pneumatic cylinder is to drive the pressure The middle section of box body shaping area is pressed into the molding die by flat unit, so that each sidewall portion is with respect to middle part bent At containing groove；Each folding part is under the action of the sidewall portion is with respect to middle part bending and the folding unit simultaneously Be squeezed and along the position of the adjacent wall of containing groove protrusion；The rotary drive unit is in folding part edge accommodating The pressing unit is driven to stir the folding part after the position protrusion of the phase side wall of groove, so that the folding part is pressed on institute It states on the side wall of containing groove；

The molding die is fixedly installed in the platform body, for forming 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 second stripper plate stating the fixed link on the first stripper plate and being fixed in the fixed link, the die ontology quadrangle opens up There is a recessing groove extended to first stripper plate；

The quantity for folding unit is four, is respectively arranged at the die ontology four corners, each fold unit packet Include V-type wraping plate, fixing seat, second spring and push jack；Under original state, described V type wraping plate one end is abutted across the recessing groove Below first stripper plate, second end is articulated in the fixing seat, and the other end is equipped with to be extended into the forming tank Push jack, when first stripper plate moves downward, squeeze the V-type wraping plate one end push jack is inwardly moved with form box body at The folding part in type area, V-type wraping plate one end are located at first stripper plate and described second after being detached from first stripper plate Between stripper plate, the second spring is used in the first extruding sheet reset V-type wraping plate one end is abutted again Below first stripper plate；

The pressing unit is set to above the molding die, including molded part, drive rod, pressing 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 rod uniformly and the distribution that is centrosymmetric elastic locating back, the pressing part It can be under rotary drive unit effect around the drive rod rotary motion, to realize the pressure to the folding part of box body shaping area It is flat.

As a further improvement, the push jack is a triangular piece compatible 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 on one side with 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 and is sheathed on the drive rod and is provided between the drive rod bearing, the elasticity locating back and the biography Dynamic set is fixedly connected, and drives the elastic locating back to rotate under the rotation of the slave drive gear to realize.

As a further improvement, further comprising the first heating mechanism and the second heating mechanism, first heating mechanism For being heated before the dynamic model is pressed into cover half to the cover half；Second heating mechanism is set to first heating mechanism Downstream, second heating mechanism is flange form electric tube heater, second heating mechanism include four and box body at The folding part in type area faces the electric heating pipe unit of setting.

A kind of anti-fold paper lunch-box forming method, using any one of the above paper lunch-box molding machine, its step are as follows:

S1: one that expects the paper embryo bottom stacked in frame is adsorbed on the guide guide rail by the suction part；

S2: the pusher part conveying paper embryo is located at its box body shaping area above second heating mechanism, box cover forms Area is located above first heating mechanism, at this time second heating mechanism and first heating mechanism work；

S3: the first pneumatic cylinder release control dynamic model is moved to cover half to be squeezed out on box cover shaping area with realizing One groove, first pneumatic cylinder retract；

S4: the pusher part conveying paper embryo is located at its box body shaping area 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 with form box body at 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 controls the pressing part rotation, and folding part is flattened second pneumatic cylinder in box body It retracts；

S6: the pusher part returns to initial position, carries out the molding of next paper embryo.

The beneficial effects of the utility model are:

1. the structure of two layers of baffle is used in a kind of anti-fold paper lunch-box molding machine of the utility model, in conjunction with its discharging If the distance between the size of through-hole and two layers can be in first baffles and second guarantee to have plurality of sheets of paper embryo to be adsorbed together Since gravity and wind-force effect are lower separately in space between baffle, so that a piece of paper embryo of sucker suction bottom, while the Two baffles go out that material through hole is smaller paper embryo to be sucked out more easily, and discharging is effectively ensured uniformly, guarantees the primary of sucker A piece of paper embryo is only adsorbed on guide guide rail by movement, and solving causes since a large amount of paper embryos are stacked on the first baffle Frictional force between every paper embryo and every paper embryo is excessive, is possible to when sucker suction by paper more than two panels and two panels The problem of embryo absorbs together.

2. using the knot for folding unit connecting shaping mold in a kind of anti-fold paper lunch-box molding machine of the utility model Structure can effectively realize that the second stripper plate drives the first stripper plate when molded part squeezes box body shaping area to the second stripper plate It moves downward to realize the extruding to V-type seesaw, V-type seesaw is released push jack with accurately extrusion box using the principle of seesaw Folding part is formed at the folding in body formed area, at the same realized using the size design of the first stripper plate to form folding part after push jack Automatically it retracts to guarantee that subsequent applanation process will not bump against push jack, first is finally utilized after molded part leaves the second stripper plate Spring drives the restoring force of the first stripper plate and second spring to abut one end of V-type seesaw the thrust of V-type seesaw The jackknife action of lower sheet of paper embryo is carried out below the first stripper plate, total is very ingenious can effectively to form box body The folding part of shaping area and realization automatically reset, solve traditional forming process directly squeezed be easy to produce gauffer and Heating effect does not persistently cause folding line to be not easy the problem of being folded.

3. can effectively be led in a kind of anti-fold paper lunch-box molding machine of the utility model using the structure for flattening unit Crossing the second pneumatic cylinder drives molded part to carry out just one-step forming to box body shaping area, and combines rotation of the driving motor to part is flattened It acts on to realize pressing of the elastic locating back to folding part, it is whole that traditional forming process can effectively be solved using such structure In squeeze folding part directly down and be easy the problem of folding part is directly damaged by pressure or crumpled, clever structure can effectively cooperate folding Unit realizes the process of folding and pressing to folding part, more preferable compared to traditional its molding effect of cutlery box molding equipment, It is not likely to produce gauffer.

Detailed description of the invention

It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is a kind of structural schematic diagram of anti-fold paper lunch-box molding machine of the utility model；

Fig. 2 is the structure enlargement diagram that unit is flattened in a kind of anti-fold paper lunch-box molding machine of Fig. 1；

The structural representation of unit and molding die is folded in a kind of anti-fold paper lunch-box molding machine of Fig. 3 the utility model Figure；

Fig. 4 is the plan view before paper embryo is unformed；

Fig. 5 is the structural schematic diagram after paper embryo forming；

Fig. 6 is the structural schematic diagram in a kind of anti-fold paper lunch-box molding machine of the utility model at shaping mechanism.

Main element symbol description

Platform body 10,

Feeding unit 20, guide guide rail 21,

Feeding mechanism 30,

Suction part 31, sucker 311, support plate 312, third pneumatic cylinder 313,

Expect frame 32, first baffle 321, second baffle 322, limit plate 323, support leg 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 rod 512, flatten part 513, elastic locating back 5131, fixed hub 5132, strut 5133,

Fold unit 52, V-type seesaw 521, fixing 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 534, the second stripper plate 535,

Rotary drive unit 5454, driving motor 541, active transmission gear 542, slave drive gear 543, drive sleeve 544、

Second pneumatic cylinder 55,

First heating mechanism 60,

Second heating mechanism 70,

Paper embryo X,

Box body shaping area X1, plate X11,

Box cover shaping area X2, folding part X21, box body X22.

Specific embodiment

It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

Please refer 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, the paper embryo X include that a box body shaping area X1 and a box cover shaping area X2, box body shaping area X1 have multiple foldings positioned at surrounding Folded portion X21, the box body shaping area include middle part, positioned at middle section upper and lower, left and right direction sidewall portion, be located at phase The folding part X21 of adjacent sidewall portion intersection, box body shaping area X1 can form a box body by folding the folding part X21 folding up X22, box body have a plate 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 be all set in the platform body 10 feeding unit 20, feeding mechanism 30, First shaping mechanism 40, the second shaping mechanism 50, the first heating mechanism 60 and the second heating mechanism 70.

Referring to FIG. 1, the feeding unit 20 is set in the platform body 10, including guide guide rail in embodiment 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 movement mechanism that guide rail 21 moves reciprocatingly can drive push jack to realize the structure moved back and forth, or segmentation for screw rod Pneumatic cylinder driving push jack realize the structure of reciprocating motion, or existing paper lunch-box molding equipment is similar send for other Expect mechanism 30, does not repeat herein.

Referring to FIG. 1, the feeding mechanism 30 is set in the platform body 10, including suction part 31 in embodiment With material frame 32, the suction part 31 is used to be adsorbed to the guide guide rail for one of the paper embryo X bottom stacked in material frame 32 On 21.

Further, the material frame 32 includes first baffle 321, second baffle 322, several limit plates 323 and several A support leg 324, the support leg 324 are fixed in the platform body 10, and each limit plate 323 is respectively arranged at often For limiting to paper embryo X in a support leg 324, the limit plate 323 is L-shaped, and the first baffle 321 is horizontal solid Material through hole is offered out due on the limit plate 323 and centre, 322 level of second baffle is fixed on the limit 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 Plate 321 for placing paper embryo X to be discharged, the limit plate 323 be respectively positioned on two described in go out four side of material through hole；The suction part 31 include sucker 311, support plate 312 and third pneumatic cylinder 313, and the sucker 311 can be existing cylinder sucker 311, The quantity of the support plate 312 is two, and level is fixed on 311 top of sucker and two support plates 312 simultaneously respectively Row's setting, two support the adsorption space for reserving the sucker 311 between plates 312 to be used to paper embryo X being adsorbed onto support plate It is translated on 312, the third pneumatic cylinder 313 is fixedly installed in the platform body 10.

Specifically, the material through hole out of the second baffle 322 is smaller than the material through hole out of the first baffle 321, institute is defined Each edge lengths for going out material through hole for stating first baffle 321 respectively correspond edge lengths 1cm~2cm each greater than paper embryo X, and described second Each edge lengths for going out material through hole of baffle 322 respectively correspond edge lengths 0.5cm~1cm each greater than paper embryo X, define the second gear The distance between plate 322 and the first baffle 321 are d, and wherein the range of d is more than or equal to 2cm.Wherein, due to a large amount of paper Embryo X, which is stacked on the first baffle 321, causes the frictional force between every paper embryo X and every paper embryo X excessive, in sucker It is possible to together absorb paper embryo X more than two panels and two panels when 311 absorption, so using the knot of two layers of baffle Structure, in conjunction with its go out material through hole size and the distance between two layers, if guarantee to there is plurality of sheets of paper embryo X to be adsorbed together, Ke Yi Since gravity and wind-force effect are lower separately in space between first baffle 321 and second baffle 322, so that sucker 311 adsorbs A piece of paper embryo X of bottom, at the same second baffle 322 go out material through hole it is smaller can also more easily by paper embryo X be sucked out, effectively Guarantee discharging uniformly, guarantees that a piece of paper embryo X is only adsorbed on guide guide rail 21 by the one-off of sucker 311.

Referring to FIG. 1, first shaping mechanism 40 is set in the platform body 10 and is located at institute in embodiment 30 downstream of feeding mechanism, including dynamic model 41, cover half 42 and the first pneumatic cylinder 43 are stated, for being formed on the box cover shaping area X2 One groove；The cover half 42 is fixedly installed in the platform body 10, and first pneumatic cylinder 43 is fixedly installed on board sheet In one supporting table of 10 top of body, and the push-off pin of first pneumatic cylinder 43 is fixedly connected with the dynamic model 41, described fixed Being recessed inwardly on mould 42 has an oval-shaped groove, and it is recessed that an ellipse compatible with cover half 42 is outwardly protruded on the dynamic model 41 Slot, the groove on plate X11 for forming box cover shaping area X2.

Please refer 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 flattens unit 51, folds unit 52, molding die 53,55 and of the second pneumatic cylinder Rotary drive unit 54, second pneumatic cylinder 55 is to drive the pressing unit 51 by the middle section of box body shaping area It is pressed into the molding die, so that each sidewall portion is bent to form containing groove with respect to middle part；Each folding part simultaneously The sidewall portion bent with respect to middle part and folding unit under the action of, is squeezed and along the sides adjacent of containing groove The position protrusion of wall；The rotary drive unit 54 is to after the folding part is raised along the position of the phase side wall of containing groove The pressing unit is driven to stir the folding part, so that the folding part is pressed on the side wall of the containing groove；

Referring to FIG. 2, the molding die 53 is fixedly installed in the platform body 10, for forming in embodiment The outer shape of box body X22, including being provided with the die ontology 531 of forming tank, the first spring being set in the forming tank 532, 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 rod 512,531 4 jiaos of the die ontology offer one to institute The recessing groove 5311 of the first stripper plate 533 extension is stated, second stripper plate 535 can drive first stripper plate 533 to squeeze Press first spring 532, the area of second stripper plate 535 is greater than the area of first stripper plate 533, and with most The lower surface area equation of molding box body afterwards.

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, fixing 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 fixing seat 522, The other end is equipped with the push jack 524 extended into the forming tank and squeezes the V-type when first stripper plate 533 moves downward 521 one end of seesaw moves push jack 524 inwardly 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 are used to make described 521 one end of V-type seesaw be connected to described the again when first stripper plate 533 resets One stripper plate, 533 lower section.

Specifically, the push jack be a triangular piece compatible 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 the other end is fixed on one side with the V-type seesaw 521 where the push jack Connection.

It can effectively be realized using the structure for folding 52 connecting shaping mold 53 of unit and form box body in molded part 511 When area 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 and lift up to V-type The extruding of plate 521, V-type seesaw 521 are released push jack 524 with the body formed area X1's of accurately extrusion box using the principle of seesaw Folding part X21 is formed at folding, at the same realized using the size design of the first stripper plate 533 to form folding part X21 after push jack 524 Automatically retract to guarantee that subsequent applanation process will not bump against push jack 524, finally leave the second stripper plate in molded part 511 The restoring force and second spring 523 for driving the first stripper plate 533 using the first spring 532 after 535 are to the thrust of V-type seesaw 521 Make one end of V-type seesaw 521 be connected to the jackknife action for carrying out lower sheet of paper embryo X below the first stripper plate 533 again, Total very it is ingenious can the effectively folding part X21 of shaping box body formed area X1 and realizing automatically reset, solve biography The forming process of system directly squeezed, which is easy to produce gauffer and heating effect, does not persistently cause folding line to be not easy the problem of being folded.

Please referring to Fig. 1 to Fig. 2, in embodiment, the pressing unit 51 is set to 53 top of molding die, including Molded part 511, flattens part 513 at drive rod 512, and the drive rod 512 is fixedly connected with the push-off pin of second pneumatic cylinder 55 To realize the elevating movement of the molded part 511 and the pressing part 513 in the vertical direction, the molded part 511 includes one It horizontal pressure foot 5111 and is obliquely installed in four box wall profiled sheetings 5112 on 5,111 4 side of horizontal pressure foot, the pressing part 513 include four with the drive rod 512 uniformly and the elastic locating back 5131 for the distribution that is centrosymmetric, the pressing part 513 It can be under the rotary drive unit 54 effect around 512 rotary motion of drive rod, to realize the folding to box body shaping area X1 The pressing of folded portion X21.

Further, the pressing part 513 further comprises a fixed hub 5132 and four struts 5133, described four The end of root strut 5133 is respectively fixedly connected with an elastic locating back 5131, and the elasticity locating back 5131 can be elastic rubber Plate or elastic plastic plate or other elastic metal sheets, when elastic locating back 5131 is located at the box wall profiled sheeting 5112, institute Elastic locating back 5131 is stated in bending state, when elastic locating back 5131 is moved to mold sheet under the drive of driving motor 541 At 531 4 jiaos of body, the elasticity locating back 5131 becomes plate X11 by bending, and elastic locating back 5131 will be folded at this time Folding part X21 is flattened to the state for forming folding part X21 in Fig. 5 on the inner wall of box body.

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 rod 512 and is provided with axis between the drive rod 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 drives the elastic locating back 5131 to revolve under the rotation of the slave drive gear 543 to realize Turn.

Using flatten unit 51 structure can effectively by the second pneumatic cylinder 55 drive molded part 511 come to box body at Type area X1 carries out just one-step forming, and flattens the turning effort of part 513 in conjunction with 541 pairs of driving motor to realize elastic locating back 5131 Pressing to folding part X21, it is whole effectively to solve to squeeze folding in traditional forming process directly down using such structure Folded portion X21 is easy the problem of folding part X21 is directly damaged by pressure or crumpled, and clever structure can effectively cooperate and fold unit 52 in fact It is more preferable compared to traditional its molding effect of cutlery box molding equipment now to the process of folding and the pressing of folding part X21, it is not easy to produce Raw gauffer.

Referring to FIG. 1, first heating mechanism 60 is used for before the dynamic model 41 is pressed into cover half 42 to institute in embodiment The heating of cover half 42 is stated, first heating mechanism 60 is an electric tube heater；Second heating mechanism 70 is set to described The downstream of first heating mechanism, second heating mechanism 70 are flange form electric tube heater, second heating mechanism 70 The electric heating pipe unit of setting is faced including four and box body shaping area X1 folding part X21.Using the second heating mechanism 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, without It is the heating of traditional point type.

Please refer to Fig. 1 to Fig. 5, 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 for one that expects the paper embryo X bottom stacked in frame 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 mechanism, box Lid shaping area X2 is located at 60 top of the first heating mechanism, at this time second heating mechanism 70 and first heating mechanism The folding part X21 to box body shaping area X1 and box cover shaping area X2 are heated respectively for 60 work；

S3: first pneumatic cylinder 43, which is released downwards, controls the dynamic model 41 to the movement of cover half 42 to realize in box cover molding An oval-shaped groove is squeezed out on area X2, then first pneumatic cylinder 43 retracts；

S4: pusher part conveying paper embryo X makes its box body shaping area X1 be located at 53 top of molding die, and described the Two pneumatic cylinders 55, which are released, squeezes paper embryo X to a box body X22 is made it be shaped on the die ontology 531, and at this time described second Stripper plate 535 pushes first stripper plate 533 to move downward under the extruding of the molded part 511, first spring 532 Compressed and described 521 one end of V-type seesaw be extruded, drive push jack 524 on the other end of the V-type seesaw 521 to release with The folding part X21 of the body formed area X1 of shaping box；

S5: the continuation of the second pneumatic cylinder 55 pushes 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 and rotates, and the elasticity flattens piece rotation and by folding part X21 is flattened in box body, and then second pneumatic cylinder 55 retracts, reply of first stripper plate 533 in the first spring 532 Move upwards and squeeze the V-type seesaw 521 under power, the V-type seesaw 521 cooperates 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 the molding or pass hull closure of next paper embryo X.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (4)

1. a kind of anti-fold paper lunch-box molding machine, for being a cutlery box by a paper embryo forming, the paper embryo include a box body at Type area and a box cover shaping area, the box body shaping area include middle part, positioned at middle section upper and lower, left and right direction side Wall portion, positioned at the folding part of adjacent side wall part intersection, box body shaping area, which can pass through, to be folded the folding part folding up and forms one 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；

Feeding mechanism is set in the platform body, including suction part and material frame, and the suction part stacks in frame for that will expect One of paper embryo bottom be adsorbed on the guide guide rail；

First shaping mechanism is set in the platform body and is located at the feeding 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, be set in the platform body and be located at first shaping mechanism downstream, including flatten unit, Unit, molding die, the second pneumatic cylinder and rotary drive unit are folded, second pneumatic cylinder is to drive the pressing unit The middle section of box body shaping area is pressed into the molding die, so that each sidewall portion is bent to form accommodating with respect to middle part Groove；Each folding part is squeezed under the action of the sidewall portion is with respect to middle part bending and the folding unit simultaneously And along the position of the adjacent wall of containing groove protrusion；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 the accommodating On the side wall of groove；

The molding die is fixedly installed in the platform body, for forming 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 on one stripper plate and the second stripper plate being fixed in the fixed link, the die ontology quadrangle offers one The recessing groove extended to first stripper plate；

The quantity for folding unit is four, is respectively arranged at the die ontology four corners, each fold unit includes V-type Wraping plate, fixing seat, second spring and push jack；Under original state, V-type wraping plate one end is connected to described across the recessing groove Below first stripper plate, second end is articulated in the fixing seat, and the other end is equipped with the push jack extended into the forming tank, institute When stating the first stripper plate and moving downward, squeezes V-type wraping plate one end and push jack is inwardly moved with the body formed area of shaping box Folding part, V-type wraping plate one end are located at first stripper plate and second stripper plate after being detached from first stripper plate Between, the second spring is used in the first extruding sheet reset V-type wraping plate one end is connected to again described Below first stripper plate；

The pressing unit is set to above the molding die, including molded part, drive rod, flattens part, the drive rod 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, It is described flatten part include four with the drive rod uniformly and the elastic locating back for the distribution that is centrosymmetric, the pressing part can be Around the drive rod rotary motion under the rotary drive unit effect, to realize the pressing to the folding part of box body shaping area.

2. anti-fold paper lunch-box molding machine according to claim 1, it is characterised in that: the push jack is one and box body The compatible triangular piece in the folding part of shaping area, described second spring one end are fixed in the platform body, the other end with V-type wraping plate where the push jack is fixedly connected on one side.

3. anti-fold paper lunch-box molding machine according to claim 1, it is characterised in that: the rotary drive unit packet Include driving motor, active transmission gear, slave drive gear and drive sleeve；The slave drive gear and the active driving cog Wheel be meshed and fixing sleeve be set to the drive sleeve on, the drive sleeve be sheathed on the drive rod and with the drive rod it Between be provided with bearing, the elasticity locating back is fixedly connected with the drive sleeve, with realization the slave drive gear rotation Turn lower and drives the elastic locating back rotation.

4. anti-fold paper lunch-box molding machine according to claim 1, it is characterised in that: further comprise the first heating Mechanism and the second heating mechanism, first heating mechanism are used to before the dynamic model is pressed into cover half heat the cover half；Institute The downstream that the second heating mechanism is set to first heating mechanism is stated, second heating mechanism is the heating of flange form electrothermal tube Device, second heating mechanism include that the folding part of four and box body shaping area faces the electric heating pipe unit of setting.