CN102689455B - 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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- CN102689455B CN102689455B CN201210207319.2A CN201210207319A CN102689455B CN 102689455 B CN102689455 B CN 102689455B CN 201210207319 A CN201210207319 A CN 201210207319A CN 102689455 B CN102689455 B CN 102689455B
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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 making system, particularly relate to a kind of method and the bag making system that prevent complex pocket bag galled spots, belong to complex pocket production technical field.
Background technology
Complex pocket is the bag be made up of composite membrane, is a class packaging bag conventional in current commodity packaging.Composite membrane for making complex pocket is made up of two or more monofilm compound usually, most composite membrane be all provided with the adventitia without heat sealability with in order to contact object to be packaged, the inner membrance with heat sealability.When bag, first by composite membrane doubling, make composite membrane not have the adventitia of heat sealability toward the outer side, there is the inner membrance of heat sealability towards inner side, cut bag again after then being sealed by the composite membrane after doubling and namely make complex pocket.
In prior art, Chinese patent literature 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, composite membrane coiled strip is supplied by feed mechanism, with after through adjustment roller and colour code photocell eye after enter length adjuster, after multiple roller adjustment of length adjuster, guided by guide roller and enter heater implementation heat-sealing, then cut off by cutting knife after cooling device cooling, namely obtain complex pocket.
From the bag making process of above-mentioned Bag Making Machine, composite membrane will through too much bar guide roller and adjustment roller in the process making complex pocket through Bag Making Machine, friction can be caused to the outer surface of composite membrane while these guide rollers and adjustment roller carry out guiding and adjustment to composite membrane, and then cause the outer surface of composite membrane to be scratched, so that there is obvious scratch in final obtained complex pocket surface, especially for the complex pocket of surface without printed patterns, 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 the problem for there is galled spots in the complex pocket bag making process existed in prior art, provides a kind of method and the bag making system that prevent complex pocket bag galled spots.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Prevent a method for complex pocket bag galled spots, comprise the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane, cover the protection film of the non-heat-sealing type of one deck;
(2) make described protection film and described composite membrane synchronizing moving, the bag making process of common experience Bag Making Machine obtains complex pocket.
Before described Bag Making Machine carries out cutting bag step, accepted by described protection film, only carrying out cut-out to the composite membrane sealed obtains complex pocket.
Described protection film is any one in transparent PET film, transparent nylon film or transparent OPP film.
Described protection film is transparent PET film.
Described heat-sealing temperature is 150 ~ 250 DEG C.
Based on the above-mentioned bag making system preventing the method for complex pocket bag galled spots, comprising:
Along composite membrane feed mechanism, the first guiding mechanism, heat sealing mechanism, carry-over pinch rolls and drawing mechanism that composite membrane direct of travel sets gradually;
Protection film feed mechanism is also provided with before described guiding mechanism, the protection film that described protection film feed mechanism is sent covers on the outer surface of the non-heat-sealing type adventitia of the composite membrane that described composite membrane feed mechanism is sent, and described protection film and described composite membrane synchronously enter described first guiding mechanism.
After described carry-over pinch rolls, and above and below described composite membrane, be respectively arranged with the protection film receiving mechanism for being accepted by the described protection film of being drawn by described carry-over pinch rolls.
Doubling mechanism is also provided with between described first guiding mechanism and described heat sealing mechanism, described doubling mechanism synchronously carries out doubling to described composite membrane and described protection film, after doubling, the heat-sealing type film of described composite membrane is inner membrance, and broken line parallels with the traffic direction of described composite membrane;
Described doubling mechanism is also provided with the cutter sweep for described composite membrane and described protection film synchronously being cut along described broken line.
Cursor tracking mechanism is provided with between described heat sealing mechanism and described carry-over pinch rolls.
The second guiding mechanism is provided with between described doubling mechanism and described heat sealing mechanism.
Described heat sealing mechanism comprises transversal heat seal mechanism and longitudinal heat sealing mechanism, is provided with the 3rd guiding mechanism between described transversal heat seal mechanism and longitudinal heat sealing mechanism.
Described first guiding mechanism, the second guiding mechanism and the 3rd guiding mechanism comprise multiple guide rollers that the direct of travel along described composite membrane is arranged respectively, are provided with idler roller between described multiple guide roller.
Described 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 described transversal heat seal plate;
Described longitudinal heat sealing mechanism is provided with at least one longitudinal heat sealing plate along composite membrane direct of travel, is provided with guide roller between described longitudinal heat sealing plate.
Compared with prior art, tool of the present invention has the following advantages:
(1) in the present invention, described 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 described protection film and described composite membrane synchronizing moving, the bag making process of common experience Bag Making Machine, thus achieve many guide rollers of Bag Making Machine in bag making process and carry-over pinch rolls only by described protection film material scratch, and do not abrade the surface of described composite membrane, avoid the problem that obtained complex pocket exists galled spots.
(2) in the present invention, described protection film material is accepted by described protection film receiving mechanism before cutting bag step, and the protection film packed up can recycle, thus improves the utilization rate of protection film material, reduces bag cost.
(3) in the present invention, described protection film is any one in transparent PET film, transparent nylon film or transparent OPP film, like this when producing the surperficial complex pocket with printed patterns, described protection film also enables the cursor of Bag Making Machine accurately determine heat-sealing position through described protection film and cut a bag position while playing scratching effect, thus obtained surface is without abrasive complex pocket.
Described protection film preferably clear PET film, its thickness is thin, make cursor tracking mechanism easily accurately determine to seal position through PET film, and transparent PET film is cheap, makes cost of the present invention low.
(4) in the present invention, described heat-sealing temperature is 150 ~ 250 DEG C, this temperature range lower than the fusing point of described protection film material, thus ensure that described protection film material when Bag Making Machine bag can not with composite membrane heat-sealing, only play and prevent the abrasive effect of composite film surface.
(5) method and the bag making system preventing complex pocket bag galled spots of the present invention, between described heat sealing mechanism and described carry-over pinch rolls, arrange cursor tracking mechanism, described cursor tracking mechanism can determine heat-sealing position according to printed patterns when preparation table wears the complex pocket of printed patterns and cut a bag position; First, second, and third guiding mechanism described in the present invention can make described protection film and described composite membrane tensile force in the process through Bag Making Machine bag even, be less likely to occur dislocation during doubling, improve the accuracy of described protection film and described composite membrane doubling.
(6) method and the bag making system preventing complex pocket bag galled spots of the present invention, described heat sealing mechanism comprises transversal heat seal mechanism and longitudinal heat sealing mechanism, make transversal heat seal and longitudinally seal separately to carry out, the position of transversal heat seal and longitudinally heat-sealing only need be adjusted like this when preparing the complex pocket of different size specification, and without the need to again making the hot knife of corresponding size specification again; Described transversal heat seal mechanism is provided with at least one transversal heat seal plate along the direct of travel of described composite membrane, described longitudinal heat sealing mechanism is provided with at least one longitudinal heat sealing plate along described composite membrane direct of travel, described composite membrane repeatedly can be sealed at same position through longitudinal heat sealing mechanism and transversal heat seal mechanism, thus add the firmness of hot-seal, make the complex pocket obtained not easily occur the phenomenon that sealing part ftractures.
Accompanying drawing explanation
Fig. 1 is the structural representation being provided with the bag making system of protection film feed mechanism and protection film receiving mechanism of the present invention.
Fig. 2 is the structural representation being provided with the bag making system of doubling mechanism and cursor tracking structure of the present invention.
Fig. 3 is the structural representation being provided with the bag making system of longitudinal heat sealing mechanism and transversal heat seal mechanism of the present invention.
In figure, Reference numeral is: 1-composite membrane feed mechanism, 2-composite membrane, 3-first guiding mechanism, 4-doubling mechanism, 5-second guiding mechanism, 6-heat sealing mechanism, the longitudinal 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.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
embodiment 1
Prevent a method for complex pocket bag galled spots, comprise the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, cover the protection film 14 of the non-heat-sealing type of one deck;
(2) make described protection film 14 and described composite membrane 2 synchronizing moving, the bag making process of common experience Bag Making Machine obtains complex pocket.
Based on the bag making system of said method, comprising:
Along composite membrane feed mechanism 1, first guiding mechanism 3, heat sealing mechanism 6, carry-over pinch rolls 11 and drawing mechanism 12 that composite membrane 2 direct of travel sets gradually, before described first guiding mechanism 3, and be also respectively arranged with protection film feed mechanism 13 above and below described composite membrane 2; Described in the present embodiment, the first guiding mechanism 3 is provided with 1 guide roller.
During bag, the composite membrane 2 of biplate overlap sent by described composite membrane feed mechanism 1, and the non-heat-sealing type adventitia of described composite membrane 2 toward the outer side, heat-sealing type inner membrance relatively and contact, the protection film 14 that described protection film feed mechanism 13 is sent covers on the outer surface of the non-heat-sealing type adventitia of the composite membrane 2 that described composite membrane feed mechanism 1 is sent, and described protection film 14 and described composite membrane 2 synchronously enter described first guiding mechanism 3, be directed to described heat sealing mechanism 6 by described guide roller and carry out hot-seal, described heat-sealing temperature is 150 DEG C, because described protection film 14 does not have heat sealability, together with during heat-sealing, described protection film 14 can not be enclosed in described composite membrane 2, after realizing hot-seal, described protection film 14 and described composite membrane 2 are drawn to described drawing mechanism 12 by described carry-over pinch rolls 11, described drawing mechanism 12 is provided with cutting knife, the composite membrane 2 sealed carries out cutting off namely obtaining complex pocket by described cutting knife.In whole bag making process, the protection film 14 on described composite membrane 2 surface only abrades by the guide roller of Bag Making Machine and carry-over pinch rolls 11, and can not abrade the outer surface of composite membrane 2, avoids the problem that obtained complex pocket exists galled spots.
embodiment 2
Prevent a method for complex pocket bag galled spots, comprise the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, cover the protection film 14 of the non-heat-sealing type of one deck;
(2) described protection film 14 and described composite membrane 2 synchronizing moving is made, the bag making process of common experience Bag Making Machine;
(3) before described Bag Making Machine carries out cutting bag step, accepted by described protection film 14, only carrying out cut-out to the composite membrane 2 sealed obtains complex pocket.
Based on said method bag making system as shown in Figure 1, comprising:
Along composite membrane feed mechanism 1, first guiding mechanism 3, heat sealing mechanism 6, carry-over pinch rolls 11 and drawing mechanism 12 that composite membrane 2 direct of travel sets gradually, before described first guiding mechanism 3, and above and below described composite membrane 2, be also respectively arranged with protection film feed mechanism 13, after described carry-over pinch rolls 11, and protection film receiving mechanism 15 is respectively arranged with above and below described composite membrane 2, first guiding mechanism 3 described in the present embodiment is provided with 2 guide rollers along described composite membrane 2 direct of travel, is provided with 1 idler roller between described two guide rollers.
During bag, the composite membrane 2 of biplate overlap sent by described composite membrane feed mechanism 1, and the non-heat-sealing type adventitia of described composite membrane 2 toward the outer side, heat-sealing type inner membrance relatively and contact, the protection film 14 that described protection film feed mechanism 13 is sent covers on the outer surface of the non-heat-sealing type adventitia of the composite membrane 2 that described composite membrane feed mechanism 1 is sent, and described protection film 14 and described composite membrane 2 synchronously enter described first guiding mechanism 3, be directed to described heat sealing mechanism 6 carried out hot-seal by described guide roller and described idler roller tensioning, protection film 14 described in the present embodiment is transparent nylon film, described heat-sealing temperature is 180 DEG C, because described protection film 14 does not have heat sealability, together with during heat-sealing, described protection film 14 can not be enclosed in described composite membrane 2, after realizing hot-seal, described composite membrane 2 and described protection film 14 are drawn by described carry-over pinch rolls 11, the described protection film 14 of being drawn by carry-over pinch rolls 11 is accepted by described protection film receiving mechanism 15, described composite membrane 2 enters described drawing mechanism 12, described drawing mechanism 12 is provided with cutting knife, the composite membrane 2 sealed carries out cutting off namely obtaining complex pocket by described cutting knife.In whole bag making process, protection film 14 on described composite membrane 2 surface only abrades by the guide roller of Bag Making Machine, tensioning rod and carry-over pinch rolls 11, and the outer surface of composite membrane 2 can not be abraded, avoid the problem that obtained complex pocket exists galled spots, and the described protection film 14 accepted recycles.
embodiment 3
Prevent a method for complex pocket bag galled spots, comprise the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, cover the protection film 14 of the non-heat-sealing type of one deck;
(2) described protection film 14 and described composite membrane 2 synchronizing moving is made, the bag making process of common experience Bag Making Machine;
(3) before described Bag Making Machine carries out cutting bag step, accepted by described protection film 14, only carrying out cut-out to the composite membrane 2 sealed obtains complex pocket.
Based on the bag making system of said method, comprising:
Composite membrane feed mechanism 1, first guiding mechanism 3 set gradually along composite membrane 2 direct of travel, doubling mechanism 4, heat sealing mechanism 6, carry-over pinch rolls 11 and drawing mechanism 12, protection film feed mechanism 13 is provided with before described first guiding mechanism 3, after described carry-over pinch rolls 11, and protection film receiving mechanism 15 is respectively arranged with above and below described composite membrane 2, first guiding mechanism 3 described in the present embodiment is provided with 2 guide rollers along described composite membrane 2 direct of travel, is provided with 1 idler roller between described two guide rollers.
During bag, monolithic composite membrane 2 sent by described composite membrane feed mechanism 1, the protection film 14 that described protection film feed mechanism 13 is sent covers on the outer surface of the non-heat-sealing type adventitia of described composite membrane 2, described composite membrane 2 and described protection film 14 are by described first guiding mechanism 3 tensioning and be directed to described doubling mechanism 4, described doubling mechanism 4 synchronously carries out doubling to described composite membrane 2 and described protection film 14, after doubling, the heat-sealing type film of described composite membrane 2 is inner membrance, broken line parallels with the traffic direction of described composite membrane 2, described doubling mechanism 4 is also provided with cutter sweep, described composite membrane 2 and described protection film 14 synchronously cut along described broken line by described cutter sweep, described composite membrane 2 and described protection film 14 carry out heat-sealing through cutting and entering described heat sealing mechanism 6 after doubling, and protection film 14 described in the present embodiment is transparent OPP film, and heat-sealing temperature is 200 DEG C, after realizing hot-seal, described composite membrane 2 and described protection film 14 are drawn by described carry-over pinch rolls 11, described protection film 14 is accepted by described protection film receiving mechanism 15, described composite membrane 2 enters described drawing mechanism 12, after the cutting knife of described drawing mechanism 12 cuts off, namely obtain complex pocket.
embodiment 4
Prevent a method for complex pocket bag galled spots, comprise the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, cover the protection film 14 of the non-heat-sealing type of one deck;
(2) described protection film 14 and described composite membrane 2 synchronizing moving is made, the bag making process of common experience Bag Making Machine;
(3) before described Bag Making Machine carries out cutting bag step, accepted by described protection film 14, only carrying out cut-out to the composite membrane 2 sealed obtains complex pocket.
Based on said method bag making system as shown in Figure 2, comprising:
Composite membrane feed mechanism 1, first guiding mechanism 3 set gradually along composite membrane 2 direct of travel, doubling mechanism 4, second guiding mechanism 5, heat sealing mechanism 6, cursor tracking mechanism 10, carry-over pinch rolls 11 and drawing mechanism 12, protection film feed mechanism 13 is provided with before described first guiding mechanism 3, after described carry-over pinch rolls 11, and be respectively arranged with protection film receiving mechanism 15 above and below described composite membrane 2; First guiding mechanism 3 described in the present embodiment is provided with 2 guide rollers along described composite membrane 2 direct of travel, is provided with 1 idler roller between described two guide rollers; Described second guiding mechanism 5 is provided with 1 guide roller.
During bag, the monolithic composite membrane 2 with printed patterns sent by described composite membrane feed mechanism 1, the protection film 14 that described protection film feed mechanism 13 is sent covers on the outer surface of the non-heat-sealing type adventitia of described composite membrane 2, described composite membrane 2 and described protection film 14 are by described first guiding mechanism 3 tensioning and be directed to described doubling mechanism 4, described doubling mechanism 4 carries out doubling to described composite membrane 2 and described protection film 14, after doubling, the heat-sealing type film of described composite membrane 2 is inner membrance, broken line parallels with the traffic direction of described composite membrane 2, described doubling mechanism 4 is also provided with cutter sweep, described composite membrane 2 and described protection film 14 synchronously cut along described broken line by described cutter sweep, described composite membrane 2 and described protection film 14 enter described heat sealing mechanism 6 through cutting and being led by described second guiding mechanism 5 after doubling, identify the border of printed patterns on described composite membrane 2 by cursor tracking mechanism 10 and carry out heat-sealing at described boundary, protection film 14 described in the present embodiment is transparent PET film, and described heat-sealing temperature is 250 DEG C, after realizing hot-seal, described composite membrane 2 and described protection film 14 are drawn by described carry-over pinch rolls 11, described protection film 14 is accepted by described protection film receiving mechanism 15, described composite membrane 2 enters described drawing mechanism 12, after the cutting knife of described drawing mechanism 12 cuts off, namely obtain complex pocket.
embodiment 5
Prevent a method for complex pocket bag galled spots, comprise the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, cover the protection film 14 of the non-heat-sealing type of one deck;
(2) described protection film 14 and described composite membrane 2 synchronizing moving is made, the bag making process of common experience Bag Making Machine;
(3) before described Bag Making Machine carries out cutting bag step, accepted by described protection film 14, only carrying out cut-out to the composite membrane 2 sealed obtains complex pocket.
Based on said method bag making system as shown in Figure 3, comprising:
Composite membrane feed mechanism 1, first guiding mechanism 3 set gradually along composite membrane 2 direct of travel, doubling mechanism 4, second guiding mechanism 5, heat sealing mechanism 6, cursor tracking mechanism 10, carry-over pinch rolls 11 and drawing mechanism 12, protection film feed mechanism 13 is provided with before described first guiding mechanism 3, after described carry-over pinch rolls 11, and be respectively arranged with protection film receiving mechanism 15 above and below described composite membrane 2; Described heat sealing mechanism 6 comprises transversal heat seal mechanism 9 and longitudinal heat sealing mechanism 7, is provided with the 3rd guiding mechanism 8 between described transversal heat seal mechanism 9 and longitudinal heat sealing mechanism 7; In the present embodiment, described transversal heat seal mechanism 9 is provided with a transversal heat seal plate, and described longitudinal heat sealing mechanism 7 is provided with a longitudinal heat sealing plate; Described first guiding mechanism 3 is provided with 2 guide rollers along described composite membrane 2 direct of travel, is provided with 1 idler roller between described two guide rollers; Described second guiding mechanism 5 is provided with 2 guide rollers along described composite membrane 2 moving direction, is provided with 1 idler roller between described 2 guide rollers; Described 3rd guiding mechanism 8 is provided with 1 guide roller.
During bag, the monolithic composite membrane 2 with printed patterns sent by described composite membrane feed mechanism 1, the protection film 14 that described protection film feed mechanism 13 is sent covers on the outer surface of the non-heat-sealing type adventitia of described composite membrane 2, described composite membrane 2 and described protection film 14 are by described first guiding mechanism 3 tensioning and be directed to described doubling mechanism 4, described doubling mechanism 4 carries out doubling to described composite membrane 2 and described protection film 14, after doubling, the heat-sealing type film of described composite membrane 2 is inner membrance, broken line parallels with the traffic direction of described composite membrane 2, described doubling mechanism 4 is also provided with cutter sweep, described composite membrane 2 and described protection film 14 synchronously cut along described broken line by described cutter sweep, described composite membrane 2 and described protection film 14 carry out longitudinal hot-seal through cutting and entering described longitudinal heat sealing mechanism 7 by described second guiding mechanism 5 guiding after doubling, then led by described 3rd guiding mechanism 8 and enter described transversal heat seal mechanism 9, identify the border of printed patterns on described composite membrane 2 by cursor tracking mechanism 10 and carry out transversal heat seal mouth at described boundary, protection film 14 described in the present embodiment is transparent PET film, and described heat-sealing temperature is 220 DEG C, after realizing hot-seal, described composite membrane 2 and described protection film 14 are drawn by described carry-over pinch rolls 11, described protection film 14 is accepted by described protection film receiving mechanism 15, described composite membrane 2 enters described drawing mechanism 12, after the cutting knife of described drawing mechanism 12 cuts off, namely obtain complex pocket.
embodiment 6
Prevent a method for complex pocket bag galled spots, comprise the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane 2, cover the protection film 14 of the non-heat-sealing type of one deck;
(2) described protection film 14 and described composite membrane 2 synchronizing moving is made, the bag making process of common experience Bag Making Machine;
(3) before described Bag Making Machine carries out cutting bag step, accepted by described protection film 14, only carrying out cut-out to the composite membrane 2 sealed obtains complex pocket.
Based on the bag making system of said method, comprising:
Composite membrane feed mechanism 1, first guiding mechanism 3 set gradually along composite membrane 2 direct of travel, doubling mechanism 4, second guiding mechanism 5, heat sealing mechanism 6, cursor tracking mechanism 10, carry-over pinch rolls 11 and drawing mechanism 12, protection film feed mechanism 13 is provided with before described first guiding mechanism 3, after described carry-over pinch rolls 11, and be respectively arranged with protection film receiving mechanism 15 above and below described composite membrane 2; Described heat sealing mechanism 6 comprises transversal heat seal mechanism 9 and longitudinal heat sealing mechanism 7, is provided with the 3rd guiding mechanism 8 between described transversal heat seal mechanism 9 and longitudinal heat sealing mechanism 7; In the present embodiment, described transversal heat seal mechanism 9 is provided with 2 transversal heat seal plates along described composite membrane 2 direct of travel, is provided with guide roller between described 2 transversal heat seal plates; Described longitudinal heat sealing mechanism 7 is provided with 2 longitudinal heat sealing plates along described composite membrane 2 direct of travel, is provided with guide roller between described 2 longitudinal heat sealing plates; Described first guiding mechanism 3 is provided with 2 guide rollers along described composite membrane 2 direct of travel, is provided with 1 idler roller between described two guide rollers; Described second guiding mechanism 5 is provided with 1 guide roller; Described 3rd guiding mechanism 8 is provided with 2 guide rollers along described composite membrane 2 direct of travel, is provided with 1 idler roller between described 2 guide rollers.
During bag, the monolithic composite membrane 2 with printed patterns sent by described composite membrane feed mechanism 1, the protection film 14 that described protection film feed mechanism 13 is sent covers on the outer surface of the non-heat-sealing type adventitia of described composite membrane 2, described composite membrane 2 and described protection film 14 are by described first guiding mechanism 3 tensioning and be directed to described doubling mechanism 4, described doubling mechanism 4 carries out doubling to described composite membrane 2 and described protection film 14, after doubling, the heat-sealing type film of described composite membrane 2 is inner membrance, broken line parallels with the traffic direction of described composite membrane 2, described doubling mechanism 4 is also provided with cutter sweep, described composite membrane 2 and described protection film 14 synchronously cut along described broken line by described cutter sweep, described composite membrane 2 and described protection film 14 enter described longitudinal heat sealing mechanism 7 through cutting and being led by described second guiding mechanism 5 after doubling, 2 longitudinal heat sealing plates of described longitudinal heat sealing mechanism 7 carry out longitudinal hot-seal to described composite membrane 2 at same position, also twice heat-sealing is carried out with regard to saying at same position place, the fastness of hot-seal can be improved, after carrying out longitudinal hot-seal, described protection film 14 and described composite membrane 2 are led by described 3rd guiding mechanism 8 and enter described transversal heat seal mechanism 9, the border of printed patterns on described composite membrane 2 is identified by cursor tracking mechanism 10, 2 transversal heat seal plates of described transversal heat seal mechanism 9 successively carry out 2 transversal heat seal mouths at described boundary, to improve the fastness of hot-seal, protection film 14 described in the present embodiment is transparent PET film, described heat-sealing temperature is 230 DEG C, after realizing hot-seal, described composite membrane 2 and described protection film 14 are drawn by described carry-over pinch rolls 11, described protection film 14 is accepted by described protection film receiving mechanism 15, described composite membrane 2 enters described drawing mechanism 12, after the cutting knife of described drawing mechanism 12 cuts off, namely obtain complex pocket.
As the disposable embodiment of the present invention, described protection film 14 can also be other transparent or opaque non-heat-sealing type films, and the fusing point of described protection film 14 is higher than the heat-sealing temperature of described composite membrane.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (8)
1. prevent a method for complex pocket bag galled spots, comprise the steps:
(1) on the outer surface of the non-heat-sealing type adventitia of composite membrane (2), cover the protection film (14) of the non-heat-sealing type of one deck;
(2) make described protection film (14) and described composite membrane (2) synchronizing moving, the bag making process of common experience Bag Making Machine obtains complex pocket;
Based on the described bag making system preventing the method for complex pocket bag galled spots, comprising:
Along composite membrane feed mechanism (1), the first guiding mechanism (3), heat sealing mechanism (6), carry-over pinch rolls (11) and drawing mechanism (12) that composite membrane (2) direct of travel sets gradually;
Also be provided with protection film feed mechanism (13) described first guiding mechanism (3) is front, the protection film (14) that described protection film feed mechanism (13) is sent covers on the outer surface of the non-heat-sealing type adventitia of the composite membrane (2) that described composite membrane feed mechanism (1) is sent, and described protection film (14) and described composite membrane (2) synchronously enter described first guiding mechanism (3); Doubling mechanism (4) is also provided with between described first guiding mechanism (3) and described heat sealing mechanism (6), described doubling mechanism (4) synchronously carries out doubling to described composite membrane (2) and described protection film (14), after doubling, the heat-sealing type film of described composite membrane (2) is inner membrance, and broken line parallels with the traffic direction of described composite membrane (2);
Described doubling mechanism is also provided with the cutter sweep for described composite membrane (2) and described protection film (14) synchronously being cut along described broken line;
The second guiding mechanism (5) is provided with between described doubling mechanism (4) and described heat sealing mechanism (6);
Described heat sealing mechanism (6) comprises transversal heat seal mechanism (9) and longitudinal heat sealing mechanism (7), is provided with the 3rd guiding mechanism (8) between described transversal heat seal mechanism (9) and longitudinal heat sealing mechanism (7);
Described first guiding mechanism (3), described second guiding mechanism (5) and the 3rd guiding mechanism (8) comprise multiple guide rollers that the direct of travel along described composite membrane (2) is arranged respectively, are provided with idler roller between described multiple guide roller.
2. the method preventing complex pocket bag galled spots according to claim 1, it is characterized in that, before described Bag Making Machine carries out cutting bag step, accepted by described protection film (14), only carrying out cut-out to the composite membrane sealed (2) obtains complex pocket.
3. the method preventing complex pocket bag galled spots according to claim 1 and 2, is characterized in that, described protection film (14) is transparent PET film, any one in transparent nylon film or transparent OPP film.
4. the method preventing complex pocket bag galled spots according to claim 3, is characterized in that, described protection film (14) is transparent PET film.
5. the method preventing complex pocket bag galled spots according to claim 1 and 2, is characterized in that, the temperature of described heat-sealing is 150 ~ 250 DEG C.
6. the method preventing complex pocket bag galled spots according to claim 1 and 2, it is characterized in that, after described carry-over pinch rolls (11), and above and below described composite membrane (2), be respectively arranged with the protection film receiving mechanism (15) for being accepted by the described protection film of being drawn by described carry-over pinch rolls (11) (14).
7. the method preventing complex pocket bag galled spots according to claim 1 and 2, is characterized in that, is provided with cursor tracking mechanism (10) between described heat sealing mechanism (6) and described carry-over pinch rolls (11).
8. the method preventing complex pocket bag galled spots according to claim 1 and 2, it is characterized in that, described 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 described transversal heat seal plate;
Described longitudinal heat sealing mechanism (7) is provided with at least one longitudinal heat sealing plate along composite membrane (2) direct of travel, is provided with guide roller between described longitudinal heat sealing plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210207319.2A CN102689455B (en) | 2012-06-21 | 2012-06-21 | Composite-bag-surface-scratch-prevention bag making method and system |
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| CN201210207319.2A CN102689455B (en) | 2012-06-21 | 2012-06-21 | Composite-bag-surface-scratch-prevention bag making method and system |
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| CN102689455A CN102689455A (en) | 2012-09-26 |
| CN102689455B true CN102689455B (en) | 2015-02-18 |
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Citations (4)
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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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Patent Citations (4)
| 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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