CN112693173A - Bag making method for producing vertical bags with opposite bottoms - Google Patents
Bag making method for producing vertical bags with opposite bottoms Download PDFInfo
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- CN112693173A CN112693173A CN202011598195.6A CN202011598195A CN112693173A CN 112693173 A CN112693173 A CN 112693173A CN 202011598195 A CN202011598195 A CN 202011598195A CN 112693173 A CN112693173 A CN 112693173A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 238000005520 cutting process Methods 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000009966 trimming Methods 0.000 claims abstract description 10
- 238000007493 shaping process Methods 0.000 claims description 16
- 238000004080 punching Methods 0.000 claims description 13
- 210000002469 basement membrane Anatomy 0.000 claims description 10
- 239000002023 wood Substances 0.000 claims description 6
- 238000007723 die pressing method Methods 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 21
- 238000004806 packaging method and process Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 7
- 206010066054 Dysmorphism Diseases 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
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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
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/20—Cutting sheets or blanks
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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
- B31B70/26—Folding sheets, blanks or webs
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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
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
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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
- B31B70/74—Auxiliary operations
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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
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
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Abstract
The invention discloses a bag making method for producing upright bags with opposite bottoms, belongs to the technical field of packaging bag production equipment, and solves the problems that materials are wasted and energy consumption is high in the process of producing upright bags in the prior art by adopting a mode of making the tops of the upright bags opposite. The bag body film folding device comprises a bag body film feeding device, a bottom film feeding device, a folding mechanism, a longitudinal sealing device, a transverse sealing device, a trimming mechanism, a die cutting mechanism and a collecting device which are sequentially connected, wherein the folding mechanism which is oppositely arranged at the bottom of the bag body film comprises a guide roller and a forming plate, a plurality of first press rollers are arranged on the forming plate, and a second press roller is arranged at the tail end of the forming plate. According to the invention, the bag body films of the vertical bags are arranged to be opposite in bottom, and then the bag films are folded from two sides to the middle through the folding mechanism, so that the vertical sealing mode of the vertical bags is changed from heat sealing from two sides to heat sealing from the middle, the heat sealing of the bottoms of the two vertical bags can be completed only by one heat sealing knife, the waste of materials can be reduced, and the production cost can be saved.
Description
Technical Field
The invention belongs to the technical field of packaging bag production equipment, and particularly relates to a bag making method for producing upright bags with opposite bottoms.
Background
The packaging refers to the general names of containers, materials, auxiliary substances and the like used according to a certain technical method in order to protect products, facilitate storage and transportation and promote sales in a circulation process; also means the operations of applying technical methods and the like in the process of using containers, materials and accessories for the above purpose. The packaging industry is taken as an independent industry system, the development of the packaging industry is listed in national economy and social development planning, the packaging industry in China is subject to rapid development for a period of time and has a certain production scale preliminarily, and a relatively complete packaging industry system with complete categories of materials, products, machinery, packaging printing, design, scientific research and the like is formed and becomes an important component in the field of manufacturing industry in China.
In the production of the existing upright bags, the tops of the upright bags are opposite, the bottoms of the upright bags face the outer side of a production line, when a packaging bag passes through a longitudinal sealing device, the longitudinal sealing device is provided with two heat sealing knives on the outer side to respectively heat seal the bottoms of the two upright bags, and then subsequent operations such as trimming, transverse sealing, punching, die cutting and the like are performed.
The mode that the top of the vertical bag is opposite in the production process of the traditional vertical bag needs to be about 20mm of the bottom flash of the vertical bag, so that the material waste is caused, two hot air knives are needed for heat sealing, and the energy consumption is high.
Disclosure of Invention
Aiming at the problems of material waste and high energy consumption caused by the mode of opposite tops of upright bags in the production process of the upright bags in the prior art, the invention provides a bag making method for producing upright bags with opposite bottoms, which aims to solve the problems that: saving material, reducing energy consumption and reducing production cost.
The technical scheme adopted by the invention is as follows:
a method of making a stand-up pouch that produces opposing bottom comprising the steps of:
a method of making a stand-up pouch that produces opposing bottom comprising the steps of:
step 1: preparing a film, namely preparing a bag body film with opposite bottom;
step 2: feeding the bag body film into a bag making machine through a bag body film feeding device; the bottom film is sent to a bag making machine through a bottom film feeding device;
and step 3: folding, namely folding the bag body film from two sides to the middle through a folding mechanism;
and 4, step 4: inserting a bottom film, wherein the bottom film is inserted between the two folded bag body films and is positioned in the middle of the bag body films;
and 5: longitudinally sealing, namely performing heat sealing on the film inserted with the bottom film through a longitudinal sealing device, wherein the heat sealing position is the middle part of the bag body film;
step 6: transverse sealing, namely performing heat sealing on the longitudinally sealed film through a transverse sealing device;
and 7: cutting edges, namely cutting off the redundant parts of the film after heat sealing through an edge cutting mechanism;
and 8: shaping, namely flattening the surface of the film subjected to heat sealing through a shaping mechanism;
and step 9: die cutting, namely cutting the heat-sealed film into independent vertical bags through a die cutting device;
step 10: and (4) collecting, namely collecting and arranging the processed and formed upright bags.
And 3, the folding mechanism comprises a guide roller and a forming plate, a plurality of first press rollers are arranged on the forming plate, and a second press roller is arranged at the tail end of the forming plate.
After the technical scheme is adopted, the bottom of the bag body film of the upright bag is opposite, then the bag film is folded from two sides to the middle through the folding mechanism, so that the longitudinal sealing mode of the upright bag is changed from the heat sealing of two sides to the heat sealing of the middle, only one heat sealing knife is needed to complete the heat sealing of the bottoms of the two upright bags, and one heat sealing knife can be reduced compared with the traditional heat sealing mode, thereby saving energy. In addition, the invention only needs to have the flash of about 4mm in the middle of the vertical bag, while the flash of 20mm on two sides is needed in the traditional heat sealing mode of the vertical bag, the invention can save 16mm of materials, reduce the waste of materials and save the production cost.
Preferably, the longitudinal sealing device comprises one heat-sealing knife, and the heat-sealing knife is positioned in the middle of the longitudinal sealing device.
After adopting this preferred scheme, can accomplish vertical sealing of bag through setting up a heat-seal sword in the middle part, compare in original two heat-seal swoves, can practice thrift half energy resource consumption, reduction in production cost.
Preferably, a guide mechanism is arranged between the bottom film feeding device and the folding mechanism, the guide mechanism comprises a plurality of floating rollers and oscillating rollers, the oscillating rollers are connected with air cylinders, and the oscillating rollers are used for changing the feeding mode of the bag body film from uniform linear motion to intermittent linear motion.
After the optimal scheme is adopted, the air cylinder controls the swing roller to swing up and down, and in the process of the swing roller swinging up and down, the feeding mode of the bag body film is changed from uniform linear motion to intermittent linear motion, so that the subsequent processing is facilitated.
As preferred, be provided with pay-off deviation correcting device between bag body film material feeding unit and the basement membrane material feeding unit, pay-off deviation correcting device includes photoelectric sensor, several guide roll and guide roll adjusting device, photoelectric sensor is used for discerning the edge and the decorative pattern of bag body film to give guide roll adjusting device with signal transmission, guide roll adjusting device adjusts the position and the angle of guide roll according to photoelectric sensor's signal.
After adopting this preferred scheme, can prevent that bag body film from deviating through deviation correcting device, guarantee the wrapping bag steady quality of producing.
Preferably, a shaping mechanism is arranged between the trimming mechanism and the die cutting device and used for flattening the surface of the packaging bag.
After adopting this preferred scheme, can be with wrapping bag surfacing through integer mechanism, improve the production quality of wrapping bag.
Preferably, a punching mechanism is arranged between the shaping mechanism and the die cutting device and used for processing an easy-to-tear opening on the packaging bag.
After the preferred scheme is adopted, the easy-tearing opening can be manufactured on the vertical bag through the punching mechanism, so that the vertical-type bag is convenient for consumers to use.
Preferably, the die cutting device comprises a support frame and a driving device, a lower die holder and an upper die holder are arranged on the support frame, the upper die holder is located above the lower die holder, a die cutting knife holder is detachably connected to the upper die holder, a die cutting knife is installed on the die cutting knife holder, a die pressing plate and a guide sleeve are arranged on the lower die holder, the driving device is connected with a guide shaft, the guide shaft is connected with the guide sleeve in a sliding mode, the upper end of the guide shaft is fixedly connected with the upper die holder, the lower end of the guide shaft is connected with a lifting plate, and the lifting plate is connected with the driving device.
After the preferable scheme is adopted, the driving device drives the lifting plate to reciprocate up and down, and the lifting plate drives the guide shaft and the upper die base to reciprocate up and down, so that the die cutting knife is driven to reciprocate up and down to complete die cutting operation. When the die-cutting rule needs to be replaced, the die-cutting rule seat only needs to be detached and the die-cutting rule with other specifications or shapes needs to be replaced, and the applicability is high.
Preferably, the die-cutting knife seat is made of a wood board, and an installation groove is formed in the die-cutting knife seat, and the width of the installation groove is matched with the thickness of the die-cutting knife.
After adopting this preferred scheme, the die-cutting rule seat is made by the plank, because the plank has certain elasticity, can clip the die-cutting rule firmly and can not drop with mounting groove after imbedding the die-cutting rule mounting groove to the plank is easily processed, can process according to the shape of die-cutting rule, can install the die-cutting rule of arbitrary shape, thereby has improved cutting device's suitability.
Preferably, the width of the mounting groove is 0.01-0.05 mm smaller than the thickness of the die-cutting rule.
After adopting this preferred scheme, the width of mounting groove is 0.01 ~ 0.05mm less than the thickness of special-shaped cutter, because the plank has certain elasticity, although the width setting of mounting groove is 0.01 ~ 0.05mm less than the thickness of special-shaped cutter, use a little external force to install when nevertheless installing special-shaped cutter, set up like this and can make the fastening effect between mounting groove and the special-shaped cutter better, prevent that special-shaped cutter from droing in the use.
Preferably, the upper die base is provided with an L-shaped fixing piece, and the L-shaped fixing piece is respectively in bolted connection with the die cutter seat and the upper die base.
After the preferred scheme is adopted, the die cutting tool apron can be fixed with the upper die base through the L-shaped fixing piece, the installation and the disassembly are convenient and fast, and the installation and the disassembly time can be saved.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the bag body films of the vertical bags are arranged to be opposite in bottom, and then the bag films are folded from two sides to the middle through the folding mechanism, so that the vertical sealing mode of the vertical bags is changed from heat sealing from two sides to heat sealing from the middle, the heat sealing of the bottoms of the two vertical bags can be completed only by one heat sealing knife, and compared with the traditional heat sealing mode, one heat sealing knife can be reduced, and energy is saved. In addition, the invention only needs to have the flash of about 4mm in the middle of the vertical bag, while the flash of 20mm on two sides is needed in the traditional heat sealing mode of the vertical bag, the invention can save 16mm of materials, reduce the waste of materials and save the production cost.
2. The vertical sealing device can finish the vertical sealing of the vertical bag through the heat sealing knife arranged in the middle, and compared with the two original heat sealing knives, the vertical sealing device can save half of energy consumption and reduce the production cost.
3. The oscillating roller is arranged, the air cylinder controls the oscillating roller to oscillate up and down, and in the process of oscillating up and down, the feeding mode of the bag body film is changed from uniform linear motion to intermittent linear motion, so that the bag body film is convenient to follow-up processing.
4. The deviation correcting device is arranged, so that the deviation of the bag body film can be prevented, and the quality stability of the produced packaging bag is ensured.
5. Set up integer mechanism and can be with wrapping bag surfacing, improve the production quality of wrapping bag.
6. The punching mechanism is arranged, and the easy-to-tear opening can be manufactured on the vertical bag through the punching mechanism, so that the vertical bag is convenient for a consumer to use.
7. The die-cutting tool is convenient to replace, when the die-cutting tool needs to be replaced, the die-cutting tool seat only needs to be detached and the die-cutting tool with other specifications or shapes is replaced, and the applicability is high.
8. The die-cutting knife holder is made of the wood board, the wood board has certain elasticity, the mounting groove can firmly clamp the die-cutting knife after the die-cutting knife is embedded into the mounting groove and cannot fall off, the wood board is easy to process, the die-cutting knife can be processed according to the shape of the die-cutting knife, the die-cutting knife in any shape can be installed, and therefore the applicability of the die-cutting device is improved.
9. The width of mounting groove is less than 0.01 ~ 0.05mm than the thickness of dysmorphism cutter, because the plank has certain elasticity, although the width setting of mounting groove is less than 0.01 ~ 0.05mm than the thickness of dysmorphism cutter, use a little external force to install when nevertheless installing dysmorphism cutter, set up like this and to make the fastening effect between mounting groove and the dysmorphism cutter better, prevent that the dysmorphism cutter from droing in the use.
10. Can be fixed die cutter seat and upper die base through L shape mounting, installation and dismantlement convenient and fast can practice thrift the time of installation and dismantlement.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the mechanism of the present invention;
FIG. 2 is a schematic structural view of a folding mechanism;
FIG. 3 is a schematic view of a bag body film fold;
fig. 4 is a schematic view of the structure of the die cutting device.
Wherein, 1-bag body film feeding device, 2-bottom film feeding device, 3-guiding mechanism, 4-folding mechanism, 401-guiding roller, 402-forming plate, 403-first pressing roller, 404-second pressing roller, 5-longitudinal sealing device, 6-transverse sealing device, 7-edge cutting mechanism, 8-shaping mechanism, 9-punching mechanism, 10-die cutting mechanism, 11-collecting table, 12-feeding deviation correcting device, 13-floating roller, 14-oscillating roller, 15-photoelectric sensor, 16-conveying belt, 17-bag body film, 101-supporting frame, 102-lower die holder, 103-driving device, 104-lifting plate, 105-guiding shaft, 106-guiding sleeve, 107-die pressing plate, 108-die cutting knife, 109-die cutting rule base, 110-L-shaped fixing piece, 111-buffer spring, 112-upper die base, 113-adjusting nut and 114-fastening nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The present invention will be described in detail with reference to fig. 1 to 4.
A method of making a stand-up pouch that produces opposing bottom comprising the steps of:
step 1: preparing a film, namely preparing a bag body film with opposite bottom;
step 2: supplying a film, namely feeding the bag body film into a bag making machine through a bag body film feeding device 1; the basement membrane is sent to a bag making machine through a basement membrane feeding device 2;
and step 3: folding, namely folding the bag body film from two sides to the middle through a folding mechanism 4;
and 4, step 4: inserting a bottom film, wherein the bottom film is inserted between the two folded bag body films and is positioned in the middle of the bag body films;
and 5: longitudinal sealing, namely performing heat sealing on the film inserted into the bottom film through a longitudinal sealing device 5, wherein the heat sealing position is the middle part of the bag body film;
step 6: transverse sealing, namely performing heat sealing on the longitudinally sealed film through a transverse sealing device 6;
and 7: trimming, namely cutting off the redundant part of the film after heat sealing through a trimming mechanism 7;
and 8: shaping, namely flattening the surface of the film subjected to heat sealing through a shaping mechanism 8;
and step 9: die cutting, namely cutting the heat-sealed film into independent upright bags by a die cutting device 10;
step 10: and (4) collecting, namely collecting and arranging the processed and formed upright bags.
A bag making machine with opposite vertical bag bottoms comprises a bag body film feeding device 1, a bottom film feeding device 2, a folding mechanism 4, a longitudinal sealing device 5, a transverse sealing device 6, a trimming mechanism 7, a die cutting mechanism 10 and a collecting device which are sequentially connected. The bag body film bottom sets up relatively, bag body film material feeding unit 1 is used for the pay-off of bag body film, basement membrane material feeding unit 2 is used for the pay-off of basement membrane to the pay-off position of basement membrane is the middle part of bag body film 17. Indulge sealing device 5 and be used for the vertical heat-seal of film, violently sealing device 6 is used for the horizontal heat-seal of film, trimming mechanism 7 is used for excising the unnecessary part of film, cutting device 10 is used for cutting into solitary wrapping bag with the good film of heat-seal, collection device is used for collecting solitary wrapping bag.
The folding mechanism 4 is configured to fold the bag body film from two sides to the middle, as shown in fig. 2, the folding mechanism 4 includes a guide roller 401 and a forming plate 402, the forming plate 402 is provided with a plurality of first pressing rollers 403, and the end of the forming plate 402 is provided with a second pressing roller 404. When the bag body film 17 first passes the guide roller 401, the middle portion of the bag body film 17 is passed around the lower portion of the forming plate 402, both sides of the bag body film 17 are folded upward (or folded downward, and the corresponding middle portion of the film is passed around the upper portion of the forming plate 402), and then pressed by the first root pressing roller 403, and finally the bag body film 17 is formed by the second pressing roller 404.
The longitudinal sealing device 5 comprises a heat sealing knife (not shown in the figure), the number of the heat sealing knife is one, and the heat sealing knife is positioned in the middle of the longitudinal sealing device 5. The bottoms of the two upright bags can be longitudinally sealed from the middle part by a heat sealing knife, and finally the two upright bags are cut from the middle part by a die cutting knife. Because the top of the stand-up pouch is formed by folding the body film, no longitudinal seal is required at the top.
Be provided with guiding mechanism 3 between basement membrane material feeding unit 2 and the folding mechanism 4, guiding mechanism 3 includes several floating roll 13 and swing roller 14, swing roller 14 is connected with the cylinder, swing roller 14 is used for changing the feeding mode of bag body film into intermittent linear motion by at the uniform velocity linear motion. The computer controls the air cylinder to do periodic extension and shortening reciprocating motion, so that the oscillating roller 14 can do up-and-down reciprocating motion, and the feeding mode of the bag body film is changed from uniform linear motion to intermittent linear motion.
Be provided with pay-off deviation correcting device 12 between bag body film material feeding unit 1 and the basement membrane material feeding unit 2, pay-off deviation correcting device 12 includes photoelectric sensor (the picture kind is not shown), several guide roll and guide roll adjusting device (not shown in the figure), photoelectric sensor is used for discerning the edge and the decorative pattern of bag body film to give guide roll adjusting device with signal transmission, guide roll adjusting device is according to photoelectric sensor's signal conditioning guide roll's position and angle. In this embodiment, guide roll adjusting device includes servo motor, drive mechanism and guide roll mount pad, and servo motor receives photoelectric sensor's signal to adjust the position of guide roll mount pad through drive mechanism, in order to realize the function of rectifying.
And a shaping mechanism 8 is arranged between the trimming mechanism 7 and the die cutting device 10, and the shaping mechanism 8 is used for flattening the surface of the packaging bag. The shaping mechanism 8 described in this embodiment may adopt an existing shaping mechanism, which is not described herein.
A punching mechanism 9 is arranged between the shaping mechanism 8 and the die cutting device 10, and the punching mechanism 9 is used for processing an easy-to-tear opening on the packaging bag. The punching mechanism in this embodiment adopts the existing punching mechanism, which is not described herein. A photoelectric sensor 15 is arranged between the shaping mechanism 8 and the punching mechanism 9, and the photoelectric sensor 15 feeds back patterns on the film material to the controller through detection, so that the consistency of the feeding stroke of the film material every time is ensured.
The die cutting device 10 comprises a support frame 101 and a driving device 103, a lower die holder 102 and an upper die holder 112 are arranged on the support frame 103, the upper die holder 112 is located above the lower die holder 102, a die cutting knife holder 109 is detachably connected to the upper die holder 112, a die cutting knife 108 is installed on the die cutting knife holder 109, a die pressing plate 107 and a guide sleeve 106 are arranged on the lower die holder 102, the driving device 103 is connected with a guide shaft 105, the guide shaft 105 is slidably connected with the guide sleeve 106, the upper end of the guide shaft 105 is fixedly connected with the upper die holder 112, the lower end of the guide shaft 105 is connected with a lifting plate 104, and the lifting plate 104 is connected with the driving device 103.
The die-cutting knife seat 109 is made of a wood plate, an installation groove is formed in the die-cutting knife seat 109, and the width of the installation groove is matched with the thickness of the die-cutting knife 108.
In this embodiment, the width of the mounting groove is smaller than the thickness of the die-cutting rule 108 by 0.05 mm.
The upper die holder 112 is provided with an L-shaped fixing member 110, and the L-shaped fixing member 110 is respectively connected with the die-cutting rule holder 109 and the upper die holder 112 by bolts. In another embodiment, the L-shaped fixing member 110 is disposed around the upper die base 112, so that the position of the die-cutting base 109 can be defined only by bolting the upper die base 112 and the L-shaped fixing member 110, and the die-cutting base 109 and the L-shaped fixing member 110 do not need to be bolted.
In this embodiment, the upper portion of the guide shaft 5 is provided with threads, the guide shaft 5 is connected with the upper die holder 12 through bolts, the bolts include fastening bolts 14 and adjusting bolts 13, the adjusting bolts 13 are located below the upper die holder 12, and the fastening bolts 14 are located above the upper die holder 12.
In this embodiment, a buffer spring 111 is disposed between the lower die base 102 and the upper die base 112. The buffer spring 111 can buffer the pressing process and also can provide a supporting force in the ascending process of the upper die holder.
In this embodiment, the driving device 103 is a hydraulic cylinder, and the top of the hydraulic cylinder is fixedly connected to the lifting plate 104.
In another embodiment, the driving device 103 is a motor, and an output shaft of the motor is connected with an eccentric wheel (not shown in the figure), and the eccentric wheel is hinged with the lifting plate 104 through a connecting rod mechanism (not shown in the figure). The lifting plate 4 can do up-and-down reciprocating motion through the motor, the eccentric wheel and the connecting rod mechanism.
A conveyor belt 16 is arranged on the collecting table 11, and the conveyor belt 16 is used for conveying the finished stand-up bags on the collecting table 11 to a designated position.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (10)
1. A method of making a stand-up pouch that produces opposing bottom comprising the steps of:
step 1: preparing a film, namely preparing a bag body film with opposite bottom;
step 2: supplying the film, namely feeding the bag body film into a bag making machine through a bag body film feeding device (1); the basement membrane is sent to a bag making machine through a basement membrane feeding device (2);
and step 3: folding, namely folding the bag body film from two sides to the middle through a folding mechanism (4);
and 4, step 4: inserting a bottom film, wherein the bottom film is inserted between the two folded bag body films and is positioned in the middle of the bag body films;
and 5: longitudinal sealing, namely performing heat sealing on the film inserted into the bottom film through a longitudinal sealing device (5), wherein the heat sealing position is the middle part of the bag body film;
step 6: transverse sealing, namely performing heat sealing on the longitudinally sealed film through a transverse sealing device (6);
and 7: trimming, namely cutting off the redundant part of the film after heat sealing through a trimming mechanism (7);
and 8: shaping, namely flattening the surface of the film subjected to heat sealing through a shaping mechanism (8);
and step 9: die cutting, namely cutting the heat-sealed film into independent upright bags by a die cutting device (10);
step 10: and (4) collecting, namely collecting and arranging the processed and formed upright bags.
2. A method for making opposing bottom stand-up pouches as claimed in claim 1 wherein said folding mechanism (4) of step 3 comprises a guide roller (401), a forming plate (402), said forming plate (402) having a plurality of first rollers (403) disposed thereon, said forming plate (402) having a second roller (404) disposed at the end thereof.
3. A method for producing opposed-bottom stand-up pouch bags as claimed in claim 1 wherein said longitudinal sealing means (5) in step 5 comprises a heat sealing knife, said heat sealing knife being one in number and said heat sealing knife being located in the middle of the longitudinal sealing means (5).
4. The bag making method for producing the vertical bag with the opposite bottom according to the claim 1, characterized in that a guide mechanism (3) is arranged between the bottom film feeding device (2) and the folding mechanism (4) in the step 2, the guide mechanism (3) comprises a plurality of floating rollers (13) and oscillating rollers (14), the oscillating rollers (14) are connected with a cylinder, and the oscillating rollers (14) are used for changing the feeding mode of the bag body film from uniform linear motion to intermittent linear motion.
5. The method for manufacturing the vertical bag with the opposite bottom according to claim 1, wherein a feeding deviation correcting device (12) is arranged between the bag body film feeding device (1) and the bottom film feeding device (2) in the step 2, the feeding deviation correcting device (12) comprises a photoelectric sensor, a plurality of guide rollers and a guide roller adjusting device, the photoelectric sensor is used for identifying the edge and the pattern of the bag body film and transmitting signals to the guide roller adjusting device, and the guide roller adjusting device adjusts the position and the angle of the guide rollers according to the signals of the photoelectric sensor.
6. A method for making opposite-bottom stand-up pouches according to claim 1, wherein a hole-punching mechanism (9) is provided between the shaping mechanism (8) and the die-cutting device (10), said hole-punching mechanism (9) being used to make a tear-off opening in the package.
7. The bag making method for producing the vertical bag with the opposite bottom according to claim 1, wherein the die cutting device (10) comprises a support frame (101) and a driving device (103), a lower die holder (102) and an upper die holder (112) are arranged on the support frame (103), the upper die holder (112) is positioned above the lower die holder (102), a die cutting knife holder (109) is detachably connected onto the upper die holder (112), a die cutting knife (108) is installed on the die cutting knife holder (109), a die pressing plate (107) and a guide sleeve (106) are arranged on the lower die holder (102), the driving device (103) is connected with a guide shaft (105), the guide shaft (105) is slidably connected with the guide sleeve (106), the upper end of the guide shaft (105) is fixedly connected with the upper die holder (112), the lower end of the guide shaft (105) is connected with a lifting plate (104), the lifting plate (104) is connected with the driving device (103).
8. A method for producing a counter-bottom stand-up pouch as claimed in claim 7 wherein said die cutter holder (109) is made of wood, said die cutter holder (109) having an attachment slot formed therein, said attachment slot having a width matching the thickness of the die cutter (108).
9. The method of claim 8, wherein the width of the mounting groove is 0.01-0.05 mm less than the thickness of the die cutter (108).
10. The method of claim 8, wherein the upper die base (112) is provided with L-shaped fasteners (110), and the L-shaped fasteners (110) are bolted to the die cutter base (109) and the upper die base (112), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598195.6A CN112693173A (en) | 2020-12-29 | 2020-12-29 | Bag making method for producing vertical bags with opposite bottoms |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598195.6A CN112693173A (en) | 2020-12-29 | 2020-12-29 | Bag making method for producing vertical bags with opposite bottoms |
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| Publication Number | Publication Date |
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| CN112693173A true CN112693173A (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011598195.6A Pending CN112693173A (en) | 2020-12-29 | 2020-12-29 | Bag making method for producing vertical bags with opposite bottoms |
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| CN (1) | CN112693173A (en) |
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| CN113616341A (en) * | 2021-07-23 | 2021-11-09 | 江苏爱舍伦医疗科技集团股份有限公司 | Production line based on disposable arm sleeve and production method thereof |
| CN113752630A (en) * | 2021-09-10 | 2021-12-07 | 无锡鸿昌精密机械有限公司 | Four-layer bag making process |
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