CN114393882A - Automatic continuous production line for bags - Google Patents
Automatic continuous production line for bags Download PDFInfo
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- CN114393882A CN114393882A CN202111584675.1A CN202111584675A CN114393882A CN 114393882 A CN114393882 A CN 114393882A CN 202111584675 A CN202111584675 A CN 202111584675A CN 114393882 A CN114393882 A CN 114393882A
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- 238000010924 continuous production Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 142
- 230000005540 biological transmission Effects 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 239000002390 adhesive tape Substances 0.000 claims abstract description 39
- 230000001070 adhesive effect Effects 0.000 claims abstract description 27
- 239000000853 adhesive Substances 0.000 claims abstract description 26
- 238000004080 punching Methods 0.000 claims abstract description 25
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 238000004026 adhesive bonding Methods 0.000 claims description 20
- 238000010030 laminating Methods 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 5
- 229920000297 Rayon Polymers 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 29
- 230000008569 process Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000009966 trimming Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 8
- 239000012528 membrane Substances 0.000 description 8
- 230000007704 transition Effects 0.000 description 8
- 238000009957 hemming Methods 0.000 description 7
- 239000004033 plastic Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/10—Feeding or positioning webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/26—Folding sheets, blanks or webs
- B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/86—Forming integral handles or mounting separate handles
- B31B70/874—Forming integral handles or mounting separate handles involving punching or cutting
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- Making Paper Articles (AREA)
Abstract
The invention provides an automatic continuous bag production line, which is characterized in that a trimming mechanism, a folding mechanism, a point breaking mechanism, an adhesive mechanism, a heat sealing mechanism, a punching mechanism and a sealing and cutting mechanism are sequentially arranged on a transmission line of a tensioning and transmitting mechanism, so that the processes of opening a bag opening, folding the bag opening, point breaking of a bag body, adhering inner wall of the bag, heat sealing and punching and the like are completed in the continuous sheet film transmission process, a bag with a sealing function and a hidden handle is produced, in addition, the adhesive mechanism with a reversing function is arranged on the side part of the production line, adhesive tapes supplied by lateral transmission can be ingeniously reversed to be transmitted along with a sheet film in the same direction and are adhered, and the point breaking line is used as a reference calibration line of the adhesive process, so that the high-quality continuous production of novel bags is realized.
Description
Technical Field
The invention relates to the technical field of bag production equipment, in particular to an automatic continuous production line for bags.
Background
Along with the continuous improvement of living standard of people, the plastic bag also becomes the product commonly used in the life, and the plastic bag is commonly used for splendid attire food or articles for daily use, and is cleaner convenient, but current plastic bag production technology all is more complicated, and the structure of production facility is complicated, and the operation is inconvenient, and equipment cost is too high, is not suitable for middle and small-sized enterprise.
Chinese patent CN201820318505.6 discloses a plastic bag integrated processing apparatus for producing, including frame, plastic film blown film mechanism and winding mechanism are located the both sides of frame respectively, and fixed conveyer, printing device, drying device and the heat-seal point device of being equipped with in proper order on the frame between plastic film blown film mechanism and the winding mechanism, the heat-seal point device of breaking includes the bearing stand, be fixed with the slide rail on the bearing stand, the cover is equipped with the sliding block on the slide rail, what the symmetry was from top to bottom on the sliding block is equipped with heat-seal mechanism and point breaking mechanism in proper order, the other end of slide rail is fixed on the crossbeam, the crossbeam upper surface is fixed with the supporting roller through last pole setting, and the crossbeam lower surface is fixed with the backing roll through lower pole setting, and the right surface of crossbeam is fixed with the regulating roller through the telescopic link.
Most of the packing bags used by the trade companies in the take-away industry are conventional vest bags, the bag openings have no sealing function, and the defect that food is unsanitary to store or is possibly eaten by others in a stealing mode exists. A sealing bag is further needed, and a gluing process is carried out on the inner side of the bag opening in the bag production process; in addition, the conventional bag handles occupy a large space, and lead to the overall aesthetic degree of the bag being poor, and the equipment for continuously producing novel sealing bags is lacked at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automatic continuous bag production line, which is characterized in that a folding mechanism, a spot-breaking mechanism, an adhesive mechanism, a heat-sealing mechanism and the like are arranged on a transmission line of a tensioning transmission mechanism to realize the processes of bag mouth folding, bag body spot-breaking, bag inner wall adhesive bonding, heat-sealing punching and the like in the continuous sheet film transmission process, so that bags with sealing functions and invisible handles are produced.
In order to achieve the purpose, the invention provides the following technical scheme:
an automated continuous production line of bags comprising: the tensioning and conveying mechanism is used for continuously conveying the film; the film sheet consists of an upper bag film and a lower bag film; further comprising: the adhesive module is positioned on the side part of the continuous transmission direction of the film, and the adhesive module is used for adhering an adhesive tape to the inner side surface of the film in the continuous transmission process of the film.
Preferably, the method further comprises the following steps: the spot-breaking mechanism and the viscose module are sequentially arranged in the front and back direction along the continuous transmission direction; and in the continuous transmission process of the film, the point breaking mechanism cuts point breaking lines distributed along the continuous transmission direction, and the point breaking lines are used as calibration lines for gluing operation of the gluing module.
Preferably, the adhesive module includes: the adhesive tape which is conveyed from the side direction is reversed to the direction which is the same as the continuous conveying direction by the reversing mechanism so as to be synchronously conveyed along with the film.
Preferably, the reversing mechanism includes: the reversing part is obliquely arranged relative to the lateral conveying direction of the adhesive tape, so that the conveying direction of the adhesive tape after bypassing the reversing part is changed.
Preferably, the reversing mechanism includes:
the reversing part is provided with a reversing hole which is obliquely arranged on the reversing piece; and
and the transition pieces are stacked and distributed on the commutator segment from top to bottom.
Preferably, the adhesive module further comprises: the laminating mechanism, reversing mechanism with laminating mechanism follows continuous transmission direction sets gradually from beginning to end, the sticky tape tensioning of piece membrane and inside is around locating the last transmission process of laminating mechanism to the sticky tape after making the switching-over compresses tightly pastes on the medial surface of last bag membrane or bag membrane down.
Preferably, the adhesive module further comprises: and the unwinding mechanism is arranged on the rack and continuously releases the adhesive tape.
Preferably, the method further comprises the following steps: a flanging module; one side of the upper bag film and one side of the lower bag film are integrally connected to form a bag bottom, the other opposite side of the upper bag film and the lower bag film are arranged in a split mode to form a bag opening, and the edge folding module folds the upper bag film and the lower bag film on the bag opening side to form a double-layer folding portion.
Preferably, the folding module is arranged on the bag opening side and is provided with a guide rod inclined towards the bag bottom.
Preferably, the method further comprises the following steps: the heat-sealing mechanism and the edge folding module are sequentially arranged in the front and back direction along the continuous transmission direction; the heat-sealing mechanism performs a heat-sealing operation on the folded portion, and forms a press-fit portion integrally connecting the two-layer structure of the folded portion.
Preferably, the method further comprises the following steps: the edge folding module and the punching module are sequentially arranged in the front and back direction along the continuous transmission direction; and the punching module performs punching operation on the folding part and forms handle holes and bag edge holes which are distributed along the continuous transmission direction in a staggered manner.
Preferably, the method further comprises the following steps: the die cutting module and the sealing and cutting mechanism are sequentially arranged in the front and back direction along the continuous transmission direction; the sealing and cutting mechanism seals and cuts the middle position of the bag edge hole to form a single bag, and the bag edge hole forms breathable cuts on two sides of the bag opening.
Preferably, the folding device further comprises a cutting mechanism, and the cutting mechanism and the folding module are sequentially arranged in the front-back direction along the continuous conveying direction.
Preferably, the method further comprises the following steps: a film feeding mechanism and a single bag output mechanism.
The invention has the beneficial effects that:
(1) according to the invention, the edge cutting mechanism, the edge folding mechanism, the point breaking mechanism, the gluing mechanism, the heat sealing mechanism, the punching mechanism and the sealing mechanism are sequentially arranged on the transmission line of the tensioning transmission mechanism, so that the processes of opening a bag opening, folding the bag opening, point breaking the bag body, gluing the inner wall of the bag, heat sealing and punching and the like are completed in the continuous transmission process of a sheet film, thus bags with sealing functions and invisible handles are produced, and high-quality automatic continuous production of bags with novel structures is realized;
(2) the reversing type gluing mechanism is arranged at the side part of the bag continuous transmission line, the reversing mechanism extends between an upper bag film and a lower bag film, the adhesive tape which is supplied by lateral transmission can be ingeniously reversed to be transmitted along with the film in the same direction, the laminating mechanism is arranged at the output end side to tightly press and paste the reversed adhesive tape on the inner wall of the film, the bag inner side gluing operation can be synchronously completed in the continuous transmission process of the film, the gluing is continuous and stable, a point broken line formed in the previous process is used as a reference calibration line of the gluing process, and the gluing quality is high;
(3) according to the invention, the height of the roller which is firstly attached to the bag by the attaching mechanism is slightly higher than the height of the transmission surface of the adhesive tape after the direction change, so that the bag and the adhesive tape on the bag are slightly lifted, the adhesive surface of the adhesive tape after the direction change can be prevented from being adhered to the top surface of the transition piece, the adhesive surface is prevented from being damaged, the normal continuous transmission is prevented from being influenced, and the structure design is ingenious;
(4) according to the invention, the folding mechanism, the heat sealing mechanism and the punching mechanism are arranged in front and at back, after the folding mechanism folds the bag opening, the punching mechanism penetrates through the punched handle hole at the folding position, and the heat sealing mechanism heat seals the pressing part at the folding positions at the left side and the right side of the handle hole, so that the invisible handle is formed at the top part between the handle hole and the pressing part, and the continuous and efficient production of the invisible handle is realized.
Drawings
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is an elevational view of the overall construction of the present invention;
FIG. 3 is a schematic view of the overall structure of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at C;
FIG. 5 is a schematic view of the working state of the viscose module of the present invention;
FIG. 6 is a schematic diagram showing the positional relationship between the reversing mechanism and the bonding mechanism according to the present invention;
FIG. 7 is a schematic view of the operation state of the reversing mechanism of the present invention;
FIG. 8 is a schematic structural view of the reversing mechanism of the present invention;
FIG. 9 is a schematic view of the hemming module of the present invention in an operating state;
FIG. 10 is a front view of the hem module of the present invention;
FIG. 11 is a schematic view showing a state of continuous transfer processing of a bag film in the present invention;
FIG. 12 is a side view showing the opened state of the mouth of the individual bag according to the present invention;
FIG. 13 is a schematic view of the invisible handle of the present invention in a folded configuration;
FIG. 14 is a schematic view of the structure of the mouth region of the single bag of the present invention;
fig. 15 is a front view of the adhesive module of the present invention in an operational state.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
As shown in fig. 1-2, an automated continuous production line for bags comprises: the tensioning and conveying mechanism 1 is used for continuously conveying the film 2; the sheet film 2 is composed of an upper bag film 21 and a lower bag film 22; further comprising: the adhesive module 3 is positioned on the side part of the continuous transmission direction A of the film sheet 2, and the adhesive module 3 is used for adhering the adhesive tape 30 to the inner side surface of the film sheet 2 in the continuous transmission process of the film sheet 2.
Preferably, the method further comprises the following steps: the spot-breaking mechanism 4 and the viscose modules 3 are sequentially arranged in the front and back direction along the continuous transmission direction A; referring to fig. 11, during the continuous transportation of the sheet film 2, the dot-broken lines 40 distributed along the continuous transportation direction a are cut by the dot-breaking mechanism 4, and the dot-broken lines 40 are used as calibration lines for the gluing operation of the gluing module 3.
In this embodiment, the spot-breaking mechanism 4 and the adhesive module 3 are sequentially arranged on the transmission line of the tensioning transmission mechanism 1, so that a spot-breaking line formed in a previous spot-breaking process can be used as a reference calibration line in a subsequent adhesive process, and the adhesive quality is high.
The spot-breaking mechanism 4 in this embodiment belongs to the prior art, and the structure thereof is not described again, and during operation, the spot-breaking mechanism 4 is matched with the spot-breaking matching roller on the tensioning and conveying mechanism 1, and when the sheet film 2 is continuously conveyed through the spot-breaking matching roller, a spot-breaking line is cut by the rotating spot-breaking mechanism 4.
Preferably, as shown in fig. 4, the adhesive module 3 includes: and a reversing mechanism 31 extending between the upper bag film 21 and the lower bag film 22, wherein the adhesive tape 30 conveyed from the side direction is reversed to the same direction as the continuous conveying direction A by the reversing mechanism 31 so as to be conveyed along with the sheet film 2 synchronously.
Preferably, as shown in fig. 5, the adhesive module 3 further includes: the laminating mechanism 32, reversing mechanism 31 with laminating mechanism 32 follows continuous transmission direction A sets gradually from beginning to end, piece membrane 2 and the sticky tape 30 tensioning of inside is around locating the last transmission process of laminating mechanism 32 to make sticky tape 30 after the switching-over compress tightly and paste on the medial surface of last bag membrane 21 or lower bag membrane 22.
In this embodiment, by arranging the reversing mechanism 31 to extend between the upper bag film and the lower bag film, the adhesive tape 30 supplied by lateral transmission can be skillfully reversed to be transmitted along with the film sheet 2 in the same direction, and the attaching mechanism 32 is arranged on the output end side to press and attach the reversed adhesive tape 30 to the inner wall of the upper bag film 21 or the lower bag film 222, so that the continuous transmission process of the film sheet can synchronously complete the operation of gluing the inner side of the bag, and the gluing is continuous and stable.
Preferably, as shown in fig. 7, the reversing mechanism 31 includes: the direction-changing portion 310 is disposed to be inclined with respect to the lateral conveying direction B of the adhesive tape 30, so that the conveying direction of the adhesive tape 30 after bypassing the direction-changing portion 310 is changed.
Preferably, as shown in fig. 8, the reversing mechanism 31 includes:
the reversing piece 311 is provided with a reversing hole obliquely formed in the reversing piece 311, and the reversing part 310 is provided with a reversing hole; and transition pieces 312 which are arranged above and below the commutator segment 311.
In this embodiment, the reversing mechanism 31 is configured as a sheet structure, so that the sheet film can be conveniently inserted into the bag from the bag opening side, and the normal transmission of the sheet film is not affected.
It should be noted that the longitudinal direction of the transition piece 312 is the same as the lateral conveying direction B, the lateral conveying direction B is perpendicular to the continuous conveying direction a, and the angle α =45 ° of inclination of the direction change portion 310 with respect to the lateral conveying direction B changes the conveying direction of the adhesive tape 30 by 90 °.
Preferably, the adhesive tape 30 is conveyed along the length direction of the transition piece 312 against the bottom surface of the transition piece 312, then conveyed again against the top surface of the commutator segment 311 after being turned over by 180 °, and conveyed again until reaching the commutator hole, passed through the commutator hole downwards to be commutated, and conveyed again against the bottom surface of the commutator segment 311, at which time the length direction of the adhesive tape 30 is in accordance with the conveying direction of the sheet film 2.
It should be noted that the adhesive tape 30 is composed of an adhesive layer and a non-adhesive plastic paper layer, and during transmission, the plastic paper layer is attached to the reversing mechanism 31 for transmission, so as to prevent the adhesive layer from being damaged and the normal transmission from being blocked due to the adhesion between the adhesive surface and the reversing mechanism 31.
In this embodiment, as shown in fig. 6 and fig. 15, the reversing mechanism 31 is disposed obliquely, and one end of the reversing mechanism 31 close to the applying mechanism 32 is higher than one end of the applying mechanism close to the dotting mechanism 4, so as to prevent the adhesive tape 30 before reversing, which is conveyed against the top surface of the reversing sheet 311, from adhering to the sheet film 2 in advance, and affecting the normal conveyance of the two.
Preferably, the commutator segment 311 and the transition segment 312 are made of metal and are integrally formed by a bending process.
In this embodiment, as shown in fig. 7, the reversing mechanism 31 is provided with two sets of upper and lower symmetrical members with respect to a horizontal plane as a symmetrical plane, so as to perform a gluing operation on the inner side of the upper bag film or the lower bag film as required, and the adjustment is convenient and the adaptability is good.
Preferably, as shown in fig. 5, the attaching mechanism 32 includes: the first attaching roller 321 and the second attaching roller 322 are arranged in a height distribution manner, and the sheet film 2 and the adhesive tape 30 thereon are in a tensioned state and are conveyed to pass through the first attaching roller 321 and the second attaching roller 322.
Preferably, as shown in fig. 6, the first surface 60 'of the applying mechanism 32, which is first applied to the sheet film 2, is disposed at a height slightly higher than the transfer surface 20' of the tape 2 after the direction change.
In the present embodiment, the first side 60 'of the first attaching mechanism 32 attached to the bag is set to a height slightly higher than the reversed transferring surface 20' of the adhesive tape 30 to lift the sheet film 2 and the adhesive tape 30 therein slightly, so as to prevent the adhesive layer with adhesive property of the adhesive tape 30 from adhering to the top surface of the transition sheet 312, thereby preventing the adhesive surface from being damaged and normal continuous transfer from being affected.
Since the sheet film 2 and the adhesive tape 30 are made of different materials and have different extensibility during stretching, if the sheet film and the adhesive tape are directly drawn by the second bonding roller 322, the sheet film and the adhesive tape are deformed differently, which may cause incomplete adhesion, non-synchronous conveyance, and excessive stretching deformation. In this embodiment, through with first laminating roller 321 and second laminating roller 322 front and back distribution setting, piece membrane 2 and the sticky tape 30 in it transmit earlier through first laminating roller 321, arrange in advance and tensioning piece membrane 2 and sticky tape 30 by first laminating roller 321 for both bond more snugly, and later carry out synchronous tractive by second laminating roller 322, guarantee synchronous stable transmission when guaranteeing the bonding effect.
Preferably, as shown in fig. 4, the adhesive module 3 further includes: and an unwinding mechanism 33 installed on the frame and continuously releasing the adhesive tape 30.
Preferably, the folding device further comprises a cutting mechanism, and the cutting mechanism and the folding module 5 are sequentially arranged in the continuous conveying direction A.
In this embodiment, the sheet film 2 that is initially transported is a hollow tubular structure, that is, two sides of the upper bag film 21 and the lower bag film 22 are correspondingly and integrally connected, one side is a bag bottom, and the other side is a bag opening, the cutting mechanism is used for cutting the upper bag film 21 and the lower bag film 22 at the bag opening side to form the bag opening, and the reversing mechanism 31 is convenient to stretch into.
Preferably, as shown in fig. 1, the method further includes: and a sealing and cutting mechanism 8, wherein the sealing and cutting mechanism 8 is arranged at the rear end of the adhesive module 3 and seals and cuts the sheet film 2 to form a single bag 20, as shown in fig. 11.
Preferably, as shown in fig. 1, the method further includes: a film feeding mechanism 91 and a single bag output mechanism.
In this embodiment, the film feeding mechanism 91 is disposed at the feeding front end of the tensioning and conveying mechanism 1, the wound film 2 is rotatably mounted on the film feeding mechanism 91 for continuous feeding, and the single bag discharging mechanism is disposed at the discharging end of the tensioning and conveying mechanism 1 for continuous discharging of the single bags 20.
Example two
The same or corresponding parts of this embodiment as those of the above embodiment are designated by the same reference numerals as those of the above embodiment, and only the points different from the above embodiment will be described below for the sake of convenience. This embodiment differs from the above embodiment in that:
preferably, as shown in fig. 1, the method further includes: a hemming module 5; one sides of the upper bag film 21 and the lower bag film 22 are integrally connected to form a bag bottom, the other opposite sides are separately arranged to form a bag opening, and the folding module 5 folds the upper bag film 21 and the lower bag film 22 on the bag opening side to form a double-layer folding part 50, as shown in fig. 9 and 13.
In the present embodiment, the hemming modules 5 are provided in two sets in front and rear in the sheet film 2 conveying direction to hem the upper bag film 21 and the lower bag film 22, respectively.
Preferably, as shown in fig. 10, the folding module 5 is located at the bag opening side and is provided with a guide rod 51 inclined toward the bag bottom.
In the embodiment, the guide rod 51 is located in the conveying plane of the sheet film 2 and is inclined towards the bag bottom direction, during operation, the guide rod 51 presses the upper edge part of the upper bag film 21 or the lower bag film 22, and the edge part is folded towards the bag bottom direction under the action of the inclined structure, and as the sheet film 2 is in a tensioning conveying state on each conveying roller of the tensioning conveying mechanism 1, in the continuous conveying process, the edge part of the upper bag film 21 or the lower bag film 22 which is subjected to inward folding is further folded and compacted, so that the double-layer folded part 50 is formed, the structure is simple, the continuous conveying is not influenced, and the edge folding effect is good.
Further, the angle at which the guide bar 51 is inclined toward the bag bottom direction can be adjusted as necessary, thereby adjusting the width of the folded edge of the side portion of the upper bag film 21 or the lower bag film 22.
Preferably, as shown in fig. 1, the method further includes: the heat-sealing mechanism 6, the flanging module 5 and the heat-sealing mechanism 6 are arranged in sequence from front to back along the continuous transmission direction A; the heat-sealing mechanism 6 performs a heat-sealing operation on the folded portion 50, and forms a nip portion 60 that integrally connects the two-layer structure of the folded portion 50, as shown in fig. 11.
Preferably, as shown in fig. 1, the method further includes: the flanging module 5 and the punching module 7 are sequentially arranged in the continuous transmission direction A from front to back; the punching module 7 performs punching work on the folded portion 50, and forms handle holes 701 and bag edge holes 702 that are staggered in the continuous conveying direction a, as shown in fig. 11.
In this embodiment, the hemming module 5, the heat sealing mechanism 6 and the punching module 7 are sequentially distributed along the continuous transmission direction a, after the hemming module 5 hems the bag opening, the punching module 7 punches a handle hole through the hemming part, and the heat sealing mechanism 6 heat seals the pressing part on the hemming parts on the left and right sides of the handle hole, so that the top between the handle hole and the pressing part forms the invisible handle 70, as shown by the thick line in fig. 14, thereby realizing the continuous and efficient production of the invisible handle.
It should be noted that the heat sealing mechanism 6 respectively presses out a pressing portion 60 on the folding portion 50 on both sides of the handle hole 701, and the pressing portion 60 is located between the handle hole 701 and the bag edge hole 702.
Preferably, the punching module 7 and the sealing and cutting mechanism 8 are sequentially arranged in the continuous transmission direction a; as shown in fig. 11, the sealing and cutting mechanism 8 seals and cuts the single bag 20 from the middle of the bag edge hole 702, and the bag edge hole 702 forms the ventilation slits 703 on both sides of the bag opening.
In the present embodiment, in order to match the heat sealing operation of the heat sealing mechanism 6 and the punching operation of the punching module 7, the tension conveying mechanism 1 conveys the sheet film 2 intermittently, so that when the conveying is stopped, the sheet film 2 rebounds and relaxes under the action of inertia and the like, which affects the flatness and thus the sticking effect. In order to avoid the influence on the previous continuous adhesive conveying process caused by the intermittent conveying, the second laminating roller 322 in this embodiment is always in a rotating state, so that the sheet film 2 can be always kept in a tensioning state, and the linearity and the flatness of the tape adhesion are further ensured.
Working procedure
Step one, a cutting procedure: the cylindrical sheet film 2 is continuously conveyed on the tension conveying mechanism 1, and the upper bag film 21 and the lower bag film 22 on the bag opening side are cut by a cutting mechanism to form a bag opening;
step two, a point breaking process: in the continuous transmission process of the sheet film 2, point breaking lines 40 distributed along the continuous transmission direction A are cut by a point breaking mechanism 4;
step three, edge folding: the upper bag film 21 and the lower bag film 22 on the bag mouth side are each folded by the folding module 5 to form a double-layered folded portion 50, respectively;
step four, gluing: the adhesive tape 30 fed from the side part of the tensioning and conveying mechanism 1 is reversed to be in the same direction with the continuous conveying direction A of the film sheet by a reversing mechanism 31 so as to be synchronously conveyed along with the film sheet 2; then, the synchronously transmitted film 2 and the adhesive tape 30 are tensioned and wound on a bonding mechanism 32 for transmission, so that the reversed adhesive tape 30 is pressed and stuck on the inner side surface of the film 2;
step five, a heat sealing process: the heat-sealing mechanism 6 performs heat-sealing work on the folded portion 50, and forms a press-fit portion 60 that integrally connects the two-layer structure of the folded portion 50;
step six, punching and cutting procedure: the punching module 7 performs punching operation on the folding part 50 and forms handle holes 701 and bag edge holes 702 which are distributed along the continuous transmission direction A in a staggered manner;
step seven, sealing and cutting: the sealing and cutting mechanism 8 seals and cuts from the middle position of the bag edge hole 702 to form the single bag 20, and the bag edge hole 702 forms the ventilation cuts 703 at two sides of the bag opening; and then, outputting the single bag finished product.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An automated continuous production line of bags comprising:
the tensioning and conveying mechanism (1), the tensioning and conveying mechanism (1) continuously conveys the film (2);
the sheet film (2) consists of an upper bag film (21) and a lower bag film (22);
it is characterized by also comprising:
a glue module (3) located on the side of the continuous transport direction (A) of the web (2);
in the continuous transmission process of the film (2), the adhesive module (3) adheres the adhesive tape (30) to the inner side surface of the film (2).
2. An automated continuous production line of bags according to claim 1, further comprising:
the spot-breaking mechanism (4) and the viscose modules (3) are sequentially arranged in the front and back direction along the continuous transmission direction (A);
in the continuous transmission process of the sheet film (2), point broken lines (40) distributed along the continuous transmission direction (A) are cut by a point broken mechanism (4), and the point broken lines (40) are used as calibration lines for gluing operation of the gluing module (3).
3. An automated continuous production line of bags according to claim 1,
the glue module (3) comprises:
a reversing mechanism (31) extending between the upper bag film (21) and the lower bag film (22), and the adhesive tape (30) conveyed from the side direction is reversed to the direction same as the continuous conveying direction (A) by the reversing mechanism (31) so as to be synchronously conveyed along with the sheet film (2).
4. An automated continuous production line of bags according to claim 3, characterized in that said reversing mechanism (31) comprises:
a reversing part (310) which is obliquely arranged relative to the lateral conveying direction (B) of the adhesive tape (30) so as to change the conveying direction of the adhesive tape (30) after bypassing the reversing part (310).
5. An automated continuous production line of bags according to claim 3, characterized in that said gluing module (3) further comprises:
the laminating mechanism (32), the reversing mechanism (31) and the laminating mechanism (32) are sequentially arranged in the front-back direction along the continuous transmission direction (A);
the film (2) and the adhesive tape (30) therein are tensioned and wound on the attaching mechanism (32) for transmission, so that the reversed adhesive tape (30) is pressed and adhered to the inner side surface of the upper bag film (21) or the lower bag film (22).
6. An automated continuous production line of bags according to claim 1, further comprising:
a flanging module (5);
one side of the upper bag film (21) and one side of the lower bag film (22) are integrally connected to form a bag bottom, the other opposite side of the upper bag film and the other opposite side of the lower bag film are separately arranged to form a bag opening, and the folding module (5) folds the upper bag film (21) and the lower bag film (22) on the bag opening side to form a double-layer folding part (50).
7. An automated continuous production line of bags according to claim 6, characterized in that said creasing module (5) is located at the mouth side and is provided as a guide bar (51) inclined towards the bottom of said bag.
8. An automated continuous production line of bags according to claim 6, further comprising:
the heat-sealing mechanism (6), the flanging module (5) and the heat-sealing mechanism (6) are arranged in sequence from front to back along the continuous transmission direction (A);
the heat-sealing mechanism (6) performs a heat-sealing operation on the folded portion (50) and forms a nip portion (60) that integrally connects the two-layer structure of the folded portion (50).
9. An automated continuous production line of bags according to claim 6, further comprising:
the flanging module (5) and the punching module (7) are sequentially arranged in the front-back direction along the continuous transmission direction (A);
the punching module (7) performs punching work on the folded part (50) and forms handle holes (701) and bag edge holes (702) which are distributed in a staggered manner in the continuous conveying direction (A).
10. An automated continuous production line of bags according to claim 9, further comprising:
the sealing and cutting mechanism (8), the punching module (7) and the sealing and cutting mechanism (8) are sequentially arranged in the front and back direction along the continuous transmission direction (A);
the sealing and cutting mechanism (8) seals and cuts from the middle position of the bag edge hole (702) to form a single bag (20), and the bag edge hole (702) forms breathable cuts (703) on two sides of the bag opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111584675.1A CN114393882B (en) | 2021-12-23 | 2021-12-23 | Automatic continuous production line for bags |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111584675.1A CN114393882B (en) | 2021-12-23 | 2021-12-23 | Automatic continuous production line for bags |
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| CN114393882A true CN114393882A (en) | 2022-04-26 |
| CN114393882B CN114393882B (en) | 2022-12-23 |
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| CN116834376A (en) * | 2023-08-30 | 2023-10-03 | 福建启来科技有限公司 | Full-automatic production bubble portable packaging bag equipment |
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| Publication number | Publication date |
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| CN114393882B (en) | 2022-12-23 |
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