CN102689455A - Composite-bag-surface-scratch-prevention bag making method and system - Google Patents
Composite-bag-surface-scratch-prevention bag making method and system Download PDFInfo
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- CN102689455A CN102689455A CN2012102073192A CN201210207319A CN102689455A CN 102689455 A CN102689455 A CN 102689455A CN 2012102073192 A CN2012102073192 A CN 2012102073192A CN 201210207319 A CN201210207319 A CN 201210207319A CN 102689455 A CN102689455 A CN 102689455A
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Abstract
The invention relates to a composite-bag-surface-scratch-prevention bag making method and system. The method comprises the following steps of: (1) covering a layer of non-heat-sealing type protective film on the external surface of a non-heat-sealing type outer membrane of a composite membrane; and (2) synchronously moving the protective film and the composite membrane to be subjected to a bag making process of a bag making machine together, thereby obtaining composite bags. The system based on the method comprises a composite membrane feeding mechanism, a first guide mechanism, a heat sealing mechanism, a traction roller and a discharging device which are sequentially arranged along the advancing direction of the composite membrane; a protective film feeding mechanism is arranged in front of the first guide mechanism; the protective film delivered by the protective film feeding mechanism covers on the external surface of the non-heat-sealing type outer membrane of the composite membrane; and the protective film and the composite membrane synchronously enter the first guide mechanism. During the process of bag making, only the protective film is scratched by a plurality of guide rollers and the traction roller of the bag making machine, and the surface of the composite membrane is not scratched, so that the problem that scratches exist on the surfaces of the composite bags is solved.
Description
Technical field
The present invention relates to a kind of complex pocket bag-making method and bag system, relate in particular to a kind of method and bag system that prevents complex pocket bag galled spots, belong to the complex pocket production technical field.
Background technology
Complex pocket is the bag of being processed by composite membrane, is one type of packaging bag commonly used in the present commodity packaging.The composite membrane that is used to make complex pocket constitutes by two or more monofilm is compound usually, most composite membrane all be provided with adventitia with heat sealability with in order to contact inner membrance object to be packaged, that have heat sealability.When bag, earlier with the composite membrane doubling, make adventitia that composite membrane do not have a heat sealability toward the outer side, the inner membrance with heat sealability is cut bag again and is promptly processed complex pocket towards the inboard after then the composite membrane after the doubling being sealed.
In the prior art; Chinese patent document CN202011181U discloses a kind of Bag Making Machine; This Bag Making Machine is a belt conveyer, is disposed with feed mechanism, adjustment roller, colour code photocell eye, length adjuster, guide roller, heater, cooling device and cutting knife and drawing mechanism along direction of transfer; When adopting this Bag Making Machine to carry out bag; The composite membrane coiled strip is supplied with by feed mechanism; With after get into length adjuster behind adjustment roller and the colour code photocell eye, after a plurality of rollers adjustment of length adjuster, get into heater by the guide roller guiding and carry out and seal; After the cooling device cooling, cut off then, promptly obtain complex pocket by cutting knife.
Bag process by above-mentioned Bag Making Machine can be known; Composite membrane will be through too much bar guide roller and adjustment roller in the process of processing complex pocket through Bag Making Machine; These guide rollers can cause friction to the outer surface of composite membrane when with the adjustment roller composite membrane being carried out guiding and adjustment; And then causing the outer surface of composite membrane to be abraded, there is tangible scratch in the complex pocket surface that consequently finally makes, does not especially have the complex pocket of printed patterns for the surface; Its surface scratches is high-visible, greatly reduces the aesthetic property of complex pocket.
Summary of the invention
The technical problem that the present invention solves is to the problem that has galled spots in the complex pocket bag process that exists in the prior art, and a kind of method and bag system that prevents complex pocket bag galled spots is provided.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is:
A kind of method that prevents complex pocket bag galled spots comprises the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane, covers the protection film of the non-heat-sealing type of one deck;
(2) make said protection film and the same moved further of said composite membrane, the bag process that experiences Bag Making Machine jointly obtains complex pocket.
Before said Bag Making Machine is cut bag step, said protection film is accepted, only the composite membrane that seals is cut off obtaining complex pocket.
Said protection film is any one in clear PET film, transparent nylon film or the transparent OPP film.
Said protection film is the clear PET film.
Said heat-sealing temperature is 150 ~ 250 ℃.
Based on the above-mentioned bag system that prevents the method for complex pocket bag galled spots, comprising:
The composite membrane feed mechanism, first guiding mechanism, heat sealing mechanism, carry-over pinch rolls and the drawing mechanism that set gradually along the composite membrane direct of travel;
Before said guiding mechanism, also be provided with the protection film feed mechanism; The protection film that said protection film feed mechanism is seen off covers on the outer surface of non-heat-sealing type adventitia of the composite membrane that said composite membrane feed mechanism sees off, and said protection film and said composite membrane get into said first guiding mechanism synchronously.
Behind said carry-over pinch rolls, and be respectively arranged with in the above and below of said composite membrane and be used for protection film receiving mechanism that the said protection film of being drawn by said carry-over pinch rolls is accepted.
Between said first guiding mechanism and said heat sealing mechanism, also be provided with doubling mechanism; Said doubling mechanism carries out doubling synchronously to said composite membrane and said protection film; The heat-sealing type film of said composite membrane is an inner membrance after the doubling, and the traffic direction of broken line and said composite membrane parallels;
Said doubling mechanism also is provided with and is used for cutter sweep that said composite membrane and said protection film are cut along said broken line synchronously.
Between said heat sealing mechanism and said carry-over pinch rolls, be provided with cursor tracking mechanism.
Between said doubling mechanism and said heat sealing mechanism, be provided with second guiding mechanism.
Said heat sealing mechanism comprises transversal heat seal mechanism and vertical heat sealing mechanism, between said transversal heat seal mechanism and vertical heat sealing mechanism, is provided with the 3rd guiding mechanism.
Said first guiding mechanism, second guiding mechanism and the 3rd guiding mechanism comprise a plurality of guide rollers that are provided with along the direct of travel of said composite membrane respectively, are provided with idler roller between said a plurality of guide rollers.
Said transversal heat seal mechanism is provided with at least one transversal heat seal plate along the direct of travel of composite membrane, is provided with guide roller between the said transversal heat seal plate;
Said vertical heat sealing mechanism is provided with at least one vertical heat sealing plate along the composite membrane direct of travel, is provided with guide roller between said vertical heat sealing plate.
Compared with prior art, the present invention has following advantage:
(1) among the present invention; Said protection film feed mechanism covers the protection film of the non-heat-sealing type of one deck on the outer surface of the non-heat-sealing type adventitia of composite membrane; Make said protection film and the same moved further of said composite membrane, experience the bag process of Bag Making Machine jointly, thereby many guide rollers and the carry-over pinch rolls of having realized in bag process Bag Making Machine are only with said protection film material scratch; And not abrading the surface of said composite membrane, there is the problem of galled spots in the complex pocket of having avoided making.
(2) among the present invention, said protection film receiving mechanism is accepted said protection film material before cutting bag step, and the protection film of packing up can recycle, thereby improves the utilization rate of protection film material, reduces the bag cost.
(3) among the present invention; Said protection film is any one in clear PET film, transparent nylon film or the transparent OPP film; When having the complex pocket of printed patterns on the production surface like this; Said protection film also makes the cursor of Bag Making Machine can see through the accurately definite heat-sealing of said protection film position when playing anti-scratch effect and cuts a bag position, thereby makes the no abrasive complex pocket in surface.
Said protection film preferably clear PET film, its thin thickness makes cursor tracking mechanism see through the PET film easily and accurately confirm the heat-sealing position, and the clear PET film is cheap, makes that cost of the present invention is low.
(4) among the present invention; Said heat-sealing temperature is 150 ~ 250 ℃; This temperature range is lower than the fusing point of said protection film material, thereby has guaranteed that said protection film material can not be enclosed in composite film heat when the Bag Making Machine bag, only plays the effect that prevents the composite membrane galled spots.
(5) method and the bag system that prevents complex pocket bag galled spots of the present invention; Between said heat sealing mechanism and said carry-over pinch rolls, cursor tracking mechanism is set, can confirms the heat-sealing position and cut a bag position according to printed patterns when said cursor tracking mechanism has the complex pocket of printed patterns on the preparation surface; Described in the present invention first, second and the 3rd guiding mechanism can make said protection film and said composite membrane even at tensile force in the process of Bag Making Machine bag; Be not easy during doubling to misplace, improved the accuracy of said protection film and said composite membrane doubling.
(6) method and the bag system that prevents complex pocket bag galled spots of the present invention; Said heat sealing mechanism comprises transversal heat seal mechanism and vertical heat sealing mechanism; Transversal heat seal and vertical heat-sealing are separately carried out; The position that when the complex pocket of preparation different size specification, only need adjust transversal heat seal and vertically heat-sealing like this gets final product, and need not to make again the hot knife of corresponding size specification again; Said transversal heat seal mechanism is provided with at least one transversal heat seal plate along the direct of travel of said composite membrane; Said vertical heat sealing mechanism is provided with at least one vertical heat sealing plate along said composite membrane direct of travel; Can repeatedly seal at same position when making said composite membrane through vertical heat sealing mechanism and transversal heat seal mechanism; Thereby increased the firmness of heat seal, made the complex pocket that makes not be prone to the phenomenon of sealing part cracking.
Description of drawings
Fig. 1 is the structural representation that is provided with the bag system of protection film feed mechanism and protection film receiving mechanism of the present invention.
Fig. 2 is the structural representation that is provided with the bag system of doubling mechanism and cursor tracking structure according to the invention.
Fig. 3 is the structural representation that is provided with the bag system of vertical heat sealing mechanism and transversal heat seal mechanism according to the invention.
Reference numeral is among the figure: 1-composite membrane feed mechanism, 2-composite membrane, 3-first guiding mechanism, 4-doubling mechanism; 5-second guiding mechanism, 6-heat sealing mechanism, the vertical heat sealing mechanism of 7-, 8-the 3rd guiding mechanism; 9-transversal heat seal mechanism, 10-cursor tracking mechanism, 11-carry-over pinch rolls, 12-drawing mechanism; 13-protection film feed mechanism, 14-protection film material, 15-protection film receiving mechanism.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is done further detailed explanation.
Embodiment 1
A kind of method that prevents complex pocket bag galled spots comprises the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, covers the protection film 14 of the non-heat-sealing type of one deck;
(2) make said protection film 14 and said composite membrane 2 same moved further, the bag process that experiences Bag Making Machine jointly obtains complex pocket.
Bag system based on said method comprises:
The composite membrane feed mechanism that sets gradually along composite membrane 2 direct of travels 1, first guiding mechanism 3, heat sealing mechanism 6, carry-over pinch rolls 11 and drawing mechanism 12; Before said first guiding mechanism 3, and also be respectively arranged with protection film feed mechanism 13 in the above and below of said composite membrane 2; First guiding mechanism 3 is provided with 1 guide roller described in the present embodiment.
During bag; Said composite membrane feed mechanism 1 is seen the overlapping composite membrane of biplate 2 off; And the non-heat-sealing type adventitia of said composite membrane 2 toward the outer side, the heat-sealing type inner membrance relatively and contact, the protection film 14 that said protection film feed mechanism 13 is seen off covers on the outer surface of non-heat-sealing type adventitia of the composite membrane 2 that said composite membrane feed mechanism 1 sees off, and said protection film 14 gets into said first guiding mechanism 3 synchronously with said composite membrane 2; Be directed to said heat sealing mechanism 6 by said guide roller and carry out heat seal; Said heat-sealing temperature is 150 ℃, because said protection film 14 does not have heat sealability, said protection film 14 can not be enclosed in said composite membrane 2 during heat-sealing; After realizing heat seal; Said protection film 14 and said composite membrane 2 are by said carry-over pinch rolls 11 traction to said drawing mechanisms 12, and said drawing mechanism 12 is provided with cutting knife, and said cutting knife will seal the composite membrane 2 of getting well and cut off and promptly obtain complex pocket.In the whole bag process, 11 of the guide roller of Bag Making Machine and carry-over pinch rolls are said composite membrane 2 lip-deep protection films 14 scratches, and can not abrade the outer surface of composite membrane 2, and there is the problem of galled spots in the complex pocket of having avoided making.
Embodiment 2
A kind of method that prevents complex pocket bag galled spots comprises the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, covers the protection film 14 of the non-heat-sealing type of one deck;
(2) make said protection film 14 and said composite membrane 2 same moved further, experience the bag process of Bag Making Machine jointly;
(3) before said Bag Making Machine is cut bag step, said protection film 14 is accepted, only the composite membrane 2 that seals is cut off obtaining complex pocket.
Bag system based on said method is as shown in Figure 1, comprising:
The composite membrane feed mechanism that sets gradually along composite membrane 2 direct of travels 1, first guiding mechanism 3, heat sealing mechanism 6, carry-over pinch rolls 11 and drawing mechanism 12; Before said first guiding mechanism 3; And the above and below at said composite membrane 2 also is respectively arranged with protection film feed mechanism 13; Behind said carry-over pinch rolls 11; And be respectively arranged with protection film receiving mechanism 15 in the above and below of said composite membrane 2, first guiding mechanism 3 is provided with 2 guide rollers along said composite membrane 2 direct of travels described in the present embodiment, is provided with 1 idler roller between said two guide rollers.
During bag; Said composite membrane feed mechanism 1 is seen the overlapping composite membrane of biplate 2 off; And the non-heat-sealing type adventitia of said composite membrane 2 toward the outer side, the heat-sealing type inner membrance relatively and contact, the protection film 14 that said protection film feed mechanism 13 is seen off covers on the outer surface of non-heat-sealing type adventitia of the composite membrane 2 that said composite membrane feed mechanism 1 sees off, and said protection film 14 gets into said first guiding mechanism 3 synchronously with said composite membrane 2; By said guide roller and said idler roller tensioning and be directed to said heat sealing mechanism 6 and carry out heat seal; Protection film described in the present embodiment 14 is the transparent nylon film, and said heat-sealing temperature is 180 ℃, because said protection film 14 does not have heat sealability; Said protection film 14 can not be enclosed in said composite membrane 2 during heat-sealing; Said composite membrane 2 is drawn by said carry-over pinch rolls 11 with said protection film 14 after realizing heat seal, and said protection film receiving mechanism 15 will be accepted by the said protection film 14 that carry-over pinch rolls 11 are drawn, and said composite membrane 2 gets into said drawing mechanism 12; Said drawing mechanism 12 is provided with cutting knife, and said cutting knife will seal good composite membrane 2 and cut off and promptly obtain complex pocket.In the whole bag process; 11 of the guide roller of Bag Making Machine, tensioning rod and carry-over pinch rolls are with said composite membrane 2 lip-deep protection films 14 scratches; And can not abrade the outer surface of composite membrane 2; There is the problem of galled spots in the complex pocket of having avoided making, and the said protection film of accepting 14 recycles.
A kind of method that prevents complex pocket bag galled spots comprises the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, covers the protection film 14 of the non-heat-sealing type of one deck;
(2) make said protection film 14 and said composite membrane 2 same moved further, experience the bag process of Bag Making Machine jointly;
(3) before said Bag Making Machine is cut bag step, said protection film 14 is accepted, only the composite membrane 2 that seals is cut off obtaining complex pocket.
Bag system based on said method comprises:
The composite membrane feed mechanism that sets gradually along composite membrane 2 direct of travels 1, first guiding mechanism 3, doubling mechanism 4, heat sealing mechanism 6, carry-over pinch rolls 11 and drawing mechanism 12; Before said first guiding mechanism 3, be provided with protection film feed mechanism 13; Behind said carry-over pinch rolls 11; And be respectively arranged with protection film receiving mechanism 15 in the above and below of said composite membrane 2; First guiding mechanism 3 is provided with 2 guide rollers along said composite membrane 2 direct of travels described in the present embodiment, is provided with 1 idler roller between said two guide rollers.
During bag; Said composite membrane feed mechanism 1 is seen monolithic composite membrane 2 off; The protection film 14 that said protection film feed mechanism 13 is seen off covers on the outer surface of said composite membrane 2 non-heat-sealing type adventitias; Said composite membrane 2 and said protection film 14 are by 3 tensionings of said first guiding mechanism and be directed to said doubling mechanism 4; 4 pairs of said composite membranes 2 of said doubling mechanism carry out doubling synchronously with said protection film 14, and the heat-sealing type film of said composite membrane 2 is an inner membrance after the doubling, and the traffic direction of broken line and said composite membrane 2 parallels; Said doubling mechanism 4 also is provided with cutter sweep, and said cutter sweep cuts said composite membrane 2 and said protection film 14 along said broken line synchronously; Said composite membrane 2 gets into said heat sealing mechanism 6 with said protection film 14 and carries out heat-sealing after cutting also doubling, protection film described in the present embodiment 14 is transparent OPP film, and heat-sealing temperature is 200 ℃; Said composite membrane 2 is drawn by said carry-over pinch rolls 11 with said protection film 14 after realizing heat seal; Said protection film receiving mechanism 15 is accepted said protection film 14; Said composite membrane 2 gets into said drawing mechanism 12, after the cutting knife of said drawing mechanism 12 cuts off, promptly obtains complex pocket.
Embodiment 4
A kind of method that prevents complex pocket bag galled spots comprises the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, covers the protection film 14 of the non-heat-sealing type of one deck;
(2) make said protection film 14 and said composite membrane 2 same moved further, experience the bag process of Bag Making Machine jointly;
(3) before said Bag Making Machine is cut bag step, said protection film 14 is accepted, only the composite membrane 2 that seals is cut off obtaining complex pocket.
Bag system based on said method is as shown in Figure 2, comprising:
The composite membrane feed mechanism that sets gradually along composite membrane 2 direct of travels 1, first guiding mechanism 3, doubling mechanism 4, second guiding mechanism 5, heat sealing mechanism 6, cursor tracking mechanism 10, carry-over pinch rolls 11 and drawing mechanism 12; Before said first guiding mechanism 3, be provided with protection film feed mechanism 13; Behind said carry-over pinch rolls 11, and be respectively arranged with protection film receiving mechanism 15 in the above and below of said composite membrane 2; First guiding mechanism 3 is provided with 2 guide rollers along said composite membrane 2 direct of travels described in the present embodiment, is provided with 1 idler roller between said two guide rollers; Said second guiding mechanism 5 is provided with 1 guide roller.
During bag; Said composite membrane feed mechanism 1 is seen the monolithic composite membrane 2 that has printed patterns off; The protection film 14 that said protection film feed mechanism 13 is seen off covers on the outer surface of said composite membrane 2 non-heat-sealing type adventitias; Said composite membrane 2 and said protection film 14 are by 3 tensionings of said first guiding mechanism and be directed to said doubling mechanism 4; 4 pairs of said composite membranes 2 of said doubling mechanism carry out doubling with said protection film 14, and the heat-sealing type film of said composite membrane 2 is an inner membrance after the doubling, and the traffic direction of broken line and said composite membrane 2 parallels; Said doubling mechanism 4 also is provided with cutter sweep, and said cutter sweep cuts said composite membrane 2 and said protection film 14 along said broken line synchronously; Said composite membrane 2 gets into said heat sealing mechanism 6 by said second guiding mechanism, 5 guiding with said protection film 14 after cutting also doubling; Carry out heat-sealing by the border of printed patterns on the said composite membrane 2 of cursor tracking mechanism 10 identifications and at said boundary; Protection film described in the present embodiment 14 is the clear PET film, and said heat-sealing temperature is 250 ℃; Said composite membrane 2 is drawn by said carry-over pinch rolls 11 with said protection film 14 after realizing heat seal; Said protection film receiving mechanism 15 is accepted said protection film 14; Said composite membrane 2 gets into said drawing mechanism 12, after the cutting knife of said drawing mechanism 12 cuts off, promptly obtains complex pocket.
Embodiment 5
A kind of method that prevents complex pocket bag galled spots comprises the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, covers the protection film 14 of the non-heat-sealing type of one deck;
(2) make said protection film 14 and said composite membrane 2 same moved further, experience the bag process of Bag Making Machine jointly;
(3) before said Bag Making Machine is cut bag step, said protection film 14 is accepted, only the composite membrane 2 that seals is cut off obtaining complex pocket.
Bag system based on said method is as shown in Figure 3, comprising:
The composite membrane feed mechanism that sets gradually along composite membrane 2 direct of travels 1, first guiding mechanism 3, doubling mechanism 4, second guiding mechanism 5, heat sealing mechanism 6, cursor tracking mechanism 10, carry-over pinch rolls 11 and drawing mechanism 12; Before said first guiding mechanism 3, be provided with protection film feed mechanism 13; Behind said carry-over pinch rolls 11, and be respectively arranged with protection film receiving mechanism 15 in the above and below of said composite membrane 2; Said heat sealing mechanism 6 comprises transversal heat seal mechanism 9 and vertical heat sealing mechanism 7, between said transversal heat seal mechanism 9 and vertical heat sealing mechanism 7, is provided with the 3rd guiding mechanism 8; In the present embodiment, said transversal heat seal mechanism 9 is provided with a transversal heat seal plate, and said vertical heat sealing mechanism 7 is provided with a vertical heat sealing plate; Said first guiding mechanism 3 is provided with 2 guide rollers along said composite membrane 2 direct of travels, is provided with 1 idler roller between said two guide rollers; Said second guiding mechanism 5 is provided with 2 guide rollers along said composite membrane 2 moving directions, is provided with 1 idler roller between said 2 guide rollers; Said the 3rd guiding mechanism 8 is provided with 1 guide roller.
During bag; Said composite membrane feed mechanism 1 is seen the monolithic composite membrane 2 that has printed patterns off; The protection film 14 that said protection film feed mechanism 13 is seen off covers on the outer surface of said composite membrane 2 non-heat-sealing type adventitias; Said composite membrane 2 and said protection film 14 are by 3 tensionings of said first guiding mechanism and be directed to said doubling mechanism 4; 4 pairs of said composite membranes 2 of said doubling mechanism carry out doubling with said protection film 14, and the heat-sealing type film of said composite membrane 2 is an inner membrance after the doubling, and the traffic direction of broken line and said composite membrane 2 parallels; Said doubling mechanism 4 also is provided with cutter sweep, and said cutter sweep cuts said composite membrane 2 and said protection film 14 along said broken line synchronously; Said composite membrane 2 gets into said vertical heat sealing mechanism 7 by said second guiding mechanism, 5 guiding with said protection film 14 and carries out vertical heat seal after cutting also doubling; Then by the said transversal heat seal of said the 3rd guiding mechanism 8 guiding entering mechanism 9; Carry out the transversal heat seal mouth by the border of printed patterns on the said composite membrane 2 of cursor tracking mechanism 10 identifications and at said boundary; Protection film described in the present embodiment 14 is the clear PET film, and said heat-sealing temperature is 220 ℃; Said composite membrane 2 is drawn by said carry-over pinch rolls 11 with said protection film 14 after realizing heat seal; Said protection film receiving mechanism 15 is accepted said protection film 14; Said composite membrane 2 gets into said drawing mechanism 12, after the cutting knife of said drawing mechanism 12 cuts off, promptly obtains complex pocket.
Embodiment 6
A kind of method that prevents complex pocket bag galled spots comprises the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, covers the protection film 14 of the non-heat-sealing type of one deck;
(2) make said protection film 14 and said composite membrane 2 same moved further, experience the bag process of Bag Making Machine jointly;
(3) before said Bag Making Machine is cut bag step, said protection film 14 is accepted, only the composite membrane 2 that seals is cut off obtaining complex pocket.
Bag system based on said method comprises:
The composite membrane feed mechanism that sets gradually along composite membrane 2 direct of travels 1, first guiding mechanism 3, doubling mechanism 4, second guiding mechanism 5, heat sealing mechanism 6, cursor tracking mechanism 10, carry-over pinch rolls 11 and drawing mechanism 12; Before said first guiding mechanism 3, be provided with protection film feed mechanism 13; Behind said carry-over pinch rolls 11, and be respectively arranged with protection film receiving mechanism 15 in the above and below of said composite membrane 2; Said heat sealing mechanism 6 comprises transversal heat seal mechanism 9 and vertical heat sealing mechanism 7, between said transversal heat seal mechanism 9 and vertical heat sealing mechanism 7, is provided with the 3rd guiding mechanism 8; In the present embodiment, said transversal heat seal mechanism 9 is provided with 2 transversal heat seal plates along said composite membrane 2 direct of travels, is provided with guide roller between said 2 transversal heat seal plates; Said vertical heat sealing mechanism 7 is provided with 2 vertical heat sealing plates along said composite membrane 2 direct of travels, is provided with guide roller between said 2 vertical heat sealing plates; Said first guiding mechanism 3 is provided with 2 guide rollers along said composite membrane 2 direct of travels, is provided with 1 idler roller between said two guide rollers; Said second guiding mechanism 5 is provided with 1 guide roller; Said the 3rd guiding mechanism 8 is provided with 2 guide rollers along said composite membrane 2 direct of travels, is provided with 1 idler roller between said 2 guide rollers.
During bag; Said composite membrane feed mechanism 1 is seen the monolithic composite membrane 2 that has printed patterns off; The protection film 14 that said protection film feed mechanism 13 is seen off covers on the outer surface of said composite membrane 2 non-heat-sealing type adventitias; Said composite membrane 2 and said protection film 14 are by 3 tensionings of said first guiding mechanism and be directed to said doubling mechanism 4; 4 pairs of said composite membranes 2 of said doubling mechanism carry out doubling with said protection film 14, and the heat-sealing type film of said composite membrane 2 is an inner membrance after the doubling, and the traffic direction of broken line and said composite membrane 2 parallels; Said doubling mechanism 4 also is provided with cutter sweep, and said cutter sweep cuts said composite membrane 2 and said protection film 14 along said broken line synchronously; Said composite membrane 2 gets into said vertical heat sealing mechanism 7 by said second guiding mechanism, 5 guiding with said protection film 14 after cutting also doubling; 2 vertical heat sealing plates of said vertical heat sealing mechanism 7 carry out vertical heat seal to said composite membrane 2 at same position; Also carry out twice heat-sealing, can improve the fastness of heat seal with regard to saying at the same position place, carry out vertical heat seal after; Said protection film 14 and said composite membrane 2 are by the said transversal heat seal of said the 3rd guiding mechanism 8 guiding entering mechanism 9; By the border of printed patterns on the said composite membrane 2 of cursor tracking mechanism 10 identification, 2 transversal heat seal plates of said transversal heat seal mechanism 9 are successively carried out 2 transversal heat seal mouths at said boundary, to improve the fastness of heat seal; Protection film described in the present embodiment 14 is the clear PET film, and said heat-sealing temperature is 230 ℃; Said composite membrane 2 is drawn by said carry-over pinch rolls 11 with said protection film 14 after realizing heat seal; Said protection film receiving mechanism 15 is accepted said protection film 14; Said composite membrane 2 gets into said drawing mechanism 12, after the cutting knife of said drawing mechanism 12 cuts off, promptly obtains complex pocket.
As the disposable embodiment of the present invention, said protection film 14 can also be other transparent or opaque non-heat-sealing type films, and the fusing point of said protection film 14 is higher than the heat-sealing temperature of said composite membrane.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (13)
1. a method that prevents complex pocket bag galled spots comprises the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane (2), covers the protection film (14) of the non-heat-sealing type of one deck;
(2) make said protection film (14) and the same moved further of said composite membrane (2), the bag process that experiences Bag Making Machine jointly obtains complex pocket.
2. the method that prevents complex pocket bag galled spots according to claim 1 is characterized in that, before said Bag Making Machine is cut bag step, said protection film (14) is accepted, and only the composite membrane (2) that seals is cut off obtaining complex pocket.
3. the method that prevents complex pocket bag galled spots according to claim 1 and 2 is characterized in that, said protection film (14) is any one in clear PET film, transparent nylon film or the transparent OPP film.
4. the method that prevents complex pocket bag galled spots according to claim 3 is characterized in that, said protection film (14) is the clear PET film.
5. according to the arbitrary described method that prevents complex pocket bag galled spots of claim 1 ~ 4, it is characterized in that said heat-sealing temperature is 150 ~ 250 ℃.
6. based on the arbitrary said bag system that prevents the method for complex pocket bag galled spots of claim 1 ~ 5, comprising:
The composite membrane feed mechanism (1), first guiding mechanism (3), heat sealing mechanism (6), carry-over pinch rolls (11) and the drawing mechanism (12) that set gradually along composite membrane (2) direct of travel;
It is characterized in that,
At the preceding protection film feed mechanism (13) that also is provided with of said first guiding mechanism (3); The protection film (14) that said protection film feed mechanism (13) is seen off covers on the outer surface of non-heat-sealing type adventitia of the composite membrane (2) that said composite membrane feed mechanism (1) sees off, and said protection film (14) gets into said first guiding mechanism (3) synchronously with said composite membrane (2).
7. the bag system that prevents complex pocket bag galled spots according to claim 6; It is characterized in that; Behind said carry-over pinch rolls (11), and be respectively arranged with in the above and below of said composite membrane (2) and be used for protection film receiving mechanism (15) that the said protection film (14) of being drawn by said carry-over pinch rolls (11) is accepted.
8. according to claim 6 or the 7 described bag systems that prevent complex pocket bag galled spots; It is characterized in that; Between said first guiding mechanism (3) and said heat sealing mechanism (6), also be provided with doubling mechanism (4); Said doubling mechanism (4) carries out doubling synchronously to said composite membrane (2) and said protection film (14), and the heat-sealing type film of said composite membrane (2) is an inner membrance after the doubling, and the traffic direction of broken line and said composite membrane (2) parallels;
Said doubling mechanism also is provided with and is used for cutter sweep that said composite membrane (2) and said protection film (14) are cut along said broken line synchronously.
9. according to the arbitrary described bag system that prevents complex pocket bag galled spots of claim 6 ~ 8, it is characterized in that, between said heat sealing mechanism (6) and said carry-over pinch rolls (11), be provided with cursor tracking mechanism (10).
10. according to Claim 8 or the 9 described bag systems that prevent complex pocket bag galled spots, it is characterized in that, between said doubling mechanism (4) and said heat sealing mechanism (6), be provided with second guiding mechanism (5).
11. according to the arbitrary described bag system that prevents complex pocket bag galled spots of claim 6 ~ 10; It is characterized in that; Said heat sealing mechanism (6) comprises transversal heat seal mechanism (9) and vertical heat sealing mechanism (7), between said transversal heat seal mechanism (9) and vertical heat sealing mechanism (7), is provided with the 3rd guiding mechanism (8).
12. according to the arbitrary described bag system that prevents complex pocket bag galled spots of claim 6 ~ 11; It is characterized in that; Said first guiding mechanism (3), said second guiding mechanism (5) and the 3rd guiding mechanism (8) comprise a plurality of guide rollers that are provided with along the direct of travel of said composite membrane (2) respectively, are provided with idler roller between said a plurality of guide rollers.
13. according to claim 11 or the 12 described bag systems that prevent complex pocket bag galled spots; It is characterized in that; Said transversal heat seal mechanism (9) is provided with at least one transversal heat seal plate along the direct of travel of composite membrane (2), is provided with guide roller between the said transversal heat seal plate;
Said vertical heat sealing mechanism (7) is provided with at least one vertical heat sealing plate along composite membrane (2) direct of travel, is provided with guide roller between said vertical heat sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973230A (en) * | 2018-07-23 | 2018-12-11 | 赵晓旭 | Full-automatic sheet making bag by plastic film method |
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| CN201102683Y (en) * | 2007-08-30 | 2008-08-20 | 刘秋月 | Paper bag with big mouth and bag-making machine |
| CN201376365Y (en) * | 2009-04-10 | 2010-01-06 | 瑞安市长城印刷包装机械有限公司 | PE film bag making machine |
| WO2010004832A1 (en) * | 2008-07-08 | 2010-01-14 | グンゼ株式会社 | Bag making and inserting device |
| CN202608110U (en) * | 2012-06-21 | 2012-12-19 | 浙江金石包装有限公司 | Bag-making system capable of protecting bag-making surface of composite bag from scratching |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201102683Y (en) * | 2007-08-30 | 2008-08-20 | 刘秋月 | Paper bag with big mouth and bag-making machine |
| WO2010004832A1 (en) * | 2008-07-08 | 2010-01-14 | グンゼ株式会社 | Bag making and inserting device |
| CN201376365Y (en) * | 2009-04-10 | 2010-01-06 | 瑞安市长城印刷包装机械有限公司 | PE film bag making machine |
| CN202608110U (en) * | 2012-06-21 | 2012-12-19 | 浙江金石包装有限公司 | Bag-making system capable of protecting bag-making surface of composite bag from scratching |
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| CN108973230A (en) * | 2018-07-23 | 2018-12-11 | 赵晓旭 | Full-automatic sheet making bag by plastic film method |
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| CN102689455B (en) | 2015-02-18 |
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