CN111376530B - Integrated packaging bag processing equipment and processing method thereof - Google Patents
Integrated packaging bag processing equipment and processing method thereof Download PDFInfo
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- CN111376530B CN111376530B CN201811612484.XA CN201811612484A CN111376530B CN 111376530 B CN111376530 B CN 111376530B CN 201811612484 A CN201811612484 A CN 201811612484A CN 111376530 B CN111376530 B CN 111376530B
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- film
- pressing plate
- packaging bag
- side organ
- bending part
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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
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/04—Feeding sheets or blanks
-
- 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
-
- 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
-
- 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
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- Making Paper Articles (AREA)
Abstract
本发明提供一种一体式包装袋的加工设备及其加工方法，加工设备包括包括膜材输送装置、导向翻折装置、侧风琴输送装置、烫压装置、挡板、牵引装置、翻回装置以及裁切装置，采用该加工设备对包装袋的进行加工，可以保证包装袋的上膜、下膜和底膜为一体式结构，无需对膜材进行切割拼合，减少了加工程序，降低了膜材损耗，并可避免包装袋上各膜材结合处牢固性较差的问题，在加工过程中，还可以实现膜材和侧风琴的统一折叠，保证了折叠位置和角度的一致性，提高了包装袋上膜、下膜和底膜之间的配合度，直接剪切就可得到包装袋成品，无需进行二次封装，提高了加工效率，减小制袋的操作难度。
The present invention provides an integrated packaging bag processing device and a processing method thereof. The processing device comprises a film material conveying device, a guide folding device, a side accordion conveying device, a hot pressing device, a baffle, a traction device, a folding device and a cutting device. The packaging bag is processed by the processing device to ensure that the upper film, the lower film and the bottom film of the packaging bag are an integrated structure, and there is no need to cut and splice the film material, which reduces the processing procedures, reduces the film material loss, and avoids the problem of poor firmness of the joints of the film materials on the packaging bag. During the processing, the film material and the side accordion can be folded uniformly, ensuring the consistency of the folding position and angle, and improving the matching degree between the upper film, the lower film and the bottom film of the packaging bag. The finished packaging bag can be obtained by direct shearing without secondary packaging, thereby improving the processing efficiency and reducing the difficulty of bag making operations.
Description
Technical Field
The invention relates to the field of packaging bag processing, in particular to processing equipment and a processing method of an integrated packaging bag.
Background
The packaging bag is generally made of composite plastic films, the bottom of the packaging bag is square, the packaging bag is unfolded to be similar to a paper box, the length, the width and the height can be different, and the packaging bag is custom-made according to different sizes of products to be packaged. The package typically has 5 sides, an upper (front, lower) and lower (back, lower) film, two side gussets (sides), and a bottom (bottom, lower). The unique construction of the package determines that it is convenient to package a three-dimensional or square product. The bag not only takes the packaging meaning of the traditional plastic bag into consideration, but also fully expands the novel packaging thought.
The processing equipment of traditional wrapping bag is to the last membrane of two piece at least membrane material processing formation wrapping bag, lower membrane and carrier film, and the last membrane, lower membrane and the carrier film of the wrapping bag that obtain through this equipment are independent split structure, or lower membrane and carrier film as an organic whole, and with last membrane separation's structure, under this kind of structure, the separation department between membrane and the membrane is fastened through scalding the pressure mode, scalds pressure department fastness and reliability low, leads to the fact the rupture of the bag body easily.
Accordingly, those skilled in the art have been directed to develop an apparatus for processing an integrated packing bag and a method for processing the same, which enhance the firmness of the body of the packing bag.
Disclosure of Invention
The invention aims to provide processing equipment and a processing method for an integrated packaging bag, which can be used for integrally processing the packaging bag, avoid the problem of poor firmness of the joint of each film material on the packaging bag, reduce the processing cost of printing the packaging bag and the like, and reduce the operation difficulty of bag making.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The processing equipment of the integrated packaging bag comprises a film material conveying device, a guiding turnover device, a side organ conveying device, a hot pressing device, a pressing plate and a traction device; the film material conveying device is used for conveying the packaging bag film material along the length direction of the packaging bag film material; the guiding turnover device is used for guiding and turnover the packaging bag film material along the length direction thereof to form an upper film and a lower film of the packaging bag, and the turned film material forms a bending part with a certain width at the turnover position of the upper film and the lower film; the hot pressing device is arranged at the downstream of the side organ conveying device and is used for fixing a side organ point between the upper film and the lower film on the upper film and the lower film, and comprises a first pressing plate, a second pressing plate and a third pressing plate, wherein the first pressing plate and the second pressing plate are arranged in a matching way, are all arranged at the downstream of the hot pressing device, the upper film and the lower film after point ironing are conveyed to the position between the first pressing plate and the second pressing plate to be pressed, the third pressing plate is arranged at one side of the bending part and corresponds to the bending part and is used for applying a force to one side of the side organ to the bending part to form a bottom film of the packaging bag, and the traction device is arranged at the position corresponding to the point fixing position of the side organ and is used for applying a force to the bending part of the point-ironed film structure in the vertical direction;
Correspondingly, the triangular ironing block is arranged at the point ironing head part of the ironing device, so that an inward folding angle exists at the point ironing fixed position of the side organ and the film material, and the three-dimensional structure of the packaging bag is met;
Correspondingly, after the traction device pulls the film material subjected to spot ironing, a quadrilateral structure is formed at the pulling part of the side organ in the longitudinal direction by taking the first pressing plate and the second pressing plate as pressing references;
Correspondingly, the processing equipment further comprises a turning device, wherein the turning device is arranged at the downstream of the third pressing plate and opposite to the arrangement position of the third pressing plate, and is used for turning back the part of the bottom film turned over towards one side of the side organ after the third pressing plate applies force to the bending part to form the bottom film;
Correspondingly, the processing equipment further comprises a cutting device for cutting the packaging bag with the formed bottom film to form an independent packaging bag body structure.
Based on the processing equipment, the processing method of the integrated packaging bag comprises the following steps of,
1) The film material conveying device conveys the film material along the length direction, and the film material is guided and folded along the length direction by the guiding folding device to form an upper film, a lower film and a bending part of the film material;
2) The film material in the conveying process passes through the side organ conveying device, the side organ conveying device sends the side organ between the upper film and the lower film, and the side organ point is fixed on the upper film and the lower film through the ironing device;
3) The continuously conveyed film passes through the first pressing plate and the second pressing plate, the first pressing plate and the second pressing plate apply a pressing force to the upper film and the lower film oppositely, and the upper film, the lower die and the side organ under the action of the pressing force are in a bonding state;
4) Under the action of the pressing force, traction force vertical to the membrane material is applied to the bending part of the membrane material through the traction device, and the bending part is upwards and downwards opened under the action of the traction force, so that a side organ port close to the bending part is driven to be opened to form a quadrilateral structure;
5) Under the dual actions of the pressing force and the traction force, a folding force towards one side of the side organ is applied to the unfolded bending part through the third pressing plate, so that the bending part is folded towards one side of the side organ, and the end part of the quadrilateral structure of the side organ is folded;
6) The traction force and the turning force are removed, and the turning device applies a pressing force at the turning position of the bending part and the side organ, so that the bending part after turning forms two symmetrical square turning surfaces, and the turning position of the side organ forms two symmetrical triangular turning surfaces;
6) Shearing along the central line of the triangular folded surface on the side organ by the cutting device to obtain a packaging bag;
correspondingly, in the step 1), the distances between the side organ and the bending part of the membrane material are equal;
Correspondingly, in the step 1), the side organ is fixed with the membrane material by spot ironing through the edges on the diagonal line, and the edges of each side organ, which are fixed with the membrane material by spot ironing, are the same.
Correspondingly, in the step 4), the direction of the turnover force is overlapped with the transverse diagonal line of the quadrilateral structure of the side organ port, under the action of the turnover force, the two included angles where the transverse diagonal line is positioned are inwards turned and folded, the two included angles where the longitudinal diagonal line is positioned on the transverse diagonal line are perpendicular to form a vertex angle, and the surface where the vertex angle is positioned is formed into a triangular folded surface.
Based on the processing equipment and the processing method, the integrated packaging bag is obtained, and the bag body structure of the packaging bag comprises the upper film, the lower film, the bottom film and the side organ, wherein the upper film, the lower film and the bottom film are of an integrated structure.
The beneficial effects of the invention are as follows:
The processing equipment and the processing method can ensure that the upper film, the lower film and the bottom film of the packaging bag are of an integrated structure, the film materials are not required to be cut and spliced, the processing program is reduced, the film material loss is reduced, the problem that the firmness of the joint of each film material on the packaging bag is poor can be avoided, in the processing process, the uniform folding of the film material and the side organ can be realized, the consistency of the folding position and the angle is ensured, the matching degree among the upper film, the lower film and the bottom film of the packaging bag is improved, the packaging bag finished product can be obtained by direct shearing, the secondary packaging is not required, the processing efficiency is improved, and the operation difficulty of bag making is reduced.
Drawings
FIG. 1 is a schematic view of a guiding and folding device for guiding and folding a film material conveyed in a film material conveying device in step 1) according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a step 2) of feeding a side gusset between upper and lower film webs using a side gusset feeding device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the spot ironing fixing of the side organ and the membrane material by the ironing device in the step 3) according to an embodiment of the present invention;
FIG. 4 is a schematic view of the film and the side organ in step 4) according to an embodiment of the present invention under two forces, namely, the pressing force of the first pressing plate and the second pressing plate and the traction force of the traction device on the bending part;
FIG. 5 is a schematic view of the third platen applying a folding force to the bending portion and the side organ in step 6) according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a turning device applying a compressive force to a bending portion and a turning portion of a side organ in step 7) according to an embodiment of the present invention;
FIG. 7 is a schematic view showing a cutting device cutting along a center line of a triangular folded surface on a side organ in step 8) according to an embodiment of the present invention;
FIG. 8 is a schematic view showing the separation structure of the package obtained by cutting in the step 8) according to an embodiment of the present invention;
FIG. 9 is a schematic view showing the structure of the package obtained by cutting in step 9) according to an embodiment of the present invention;
In the figure:
1. A film material conveying device; 2, a guiding turnover device, 3, a side organ conveying device, 4, a hot pressing device, 5, a first pressing plate, 6, a second pressing plate, 7, a third pressing plate, 8, a traction device, 9, a turnover device, 10, a film material, 11, a bending part, 12 and a side organ.
Detailed Description
As shown in fig. 1 to 9, in one embodiment of the present invention, the processing apparatus for an integrated package includes a film material conveying device 1, a guide folding device 2, a side organ conveying device 3, a ironing device 4, a baffle, a traction device 8, a folding device 9 and a cutting device; a film material conveying device 1 for conveying the packaging bag film material 10 along the length direction of the packaging bag film material 10; the device comprises a guide folding device 2, a side organ conveying device 3, a ironing device 4, a traction device and a traction device, wherein the guide folding device is used for guiding and folding a packaging bag film material 10 along the length direction of the packaging bag film material to form an upper film and a lower film of a packaging bag, the folded film material forms a bending part 11 with a certain width at the folding position of the upper film and the lower film, the side organ conveying device 3 is arranged at the downstream of the guide folding device 2, the side organ 12 is conveyed between the folded upper film and the folded lower film along the width direction of the packaging bag film material 10 and is close to the bending part 11 along the width direction of the packaging bag film material 10, the ironing device 4 is provided with a triangular ironing block at the point of the ironing device 4, the side organ 12 positioned at the downstream of the side organ conveying device 3 and used for fixing the side organ 12 positioned between the upper film and the lower film on the upper film, the lower film, the pressing plate comprises a first pressing plate 5, a second pressing plate 6 and a third pressing plate 7, the first pressing plate 5 and the second pressing plate 6 are arranged in a matched mode, the upper film and the lower film after the point ironing is conveyed to the position between the first pressing plate 5 and the second pressing plate 6 along the width direction of the packaging bag film material 10 and is close to the bending part 11, the first pressing plate is arranged at the position corresponding to the bending part 8 and the first pressing plate is arranged at the position corresponding to the bending part 11 and the side pressing device 8, the side pressing device is arranged at the position corresponding to the bending part 11, and the side pressing device is arranged at the position corresponding to the side pressing device 8, and is arranged to the side pressing device is arranged correspondingly to the side pressing device 12, the folding device 9 is arranged at the downstream of the third pressing plate 7 and opposite to the arrangement position of the third pressing plate 7, and is used for folding back the part of the bottom film turned towards one side of the side organ 12 after the third pressing plate 7 applies force to the folding part 11 to form the bottom film, and the cutting device is used for cutting the packaging bag with the bottom film and forming an independent packaging bag body structure.
Based on the integrated packaging bag processing equipment in the embodiment, the following processing method of the integrated packaging bag is obtained:
1) The film material conveying device 1 conveys the film material 10 along the length direction thereof, and guides and folds the film material 10 along the length direction thereof through the guiding folding device 2 to form an upper film, a lower film and a folding part 11 of the film material, as shown in fig. 1;
2) The film material 10 in the conveying process passes through the side organ conveying device 3, the side organ conveying device 3 sends the side organ 12 between the upper film and the lower film, and the placing positions of the side organs 12 are equal in distance from the bending part 11 of the film material 10, as shown in fig. 2;
3) The ironing device 4 performs point ironing fixation on edges on one diagonal line of the side organ 12 and the upper membrane and the lower membrane, and each side organ 12 is the same as the edges on which the upper membrane and the lower membrane are subjected to point ironing fixation, wherein the edges refer to areas taking edges on a quadrangular structural body as symmetry axes and taking certain areas on two sides of the symmetry axes as point ironing areas, as shown in fig. 3;
4) The film material 10 which is continuously conveyed passes through the first pressing plate 5 and the second pressing plate 6, the first pressing plate 5 and the second pressing plate 6 apply a pressing force to the upper film and the lower film oppositely, and the upper film, the lower film and the side organ 12 under the action of the pressing force are in a bonding state, as shown in fig. 4;
5) Under the action of the pressing force, traction force vertical to the membrane material 10 is applied to the bending part 11 of the membrane material through the traction device 8, and the bending part 11 is opened upwards and downwards under the action of the traction force, so that the port of the side organ 12 close to the bending part 11 is driven to be opened to form a quadrilateral structure, as shown in fig. 4;
6) Under the dual actions of the pressing force and the traction force, a turning force facing one side of the side organ 12 is applied to the opened bending part 11 through the third pressing plate 7, the turning force direction is coincident with the transverse diagonal line of the quadrangular structure of the port of the side organ 12, so that the bending part 11 is turned over to one side of the side organ, meanwhile, two included angles where the transverse diagonal line of the side organ 12 is positioned are turned inwards and folded, two included angles where the longitudinal diagonal line is positioned are perpendicular to the transverse diagonal line to form a vertex angle, and the surface where the vertex angle is positioned is formed into a triangular folded surface as shown in fig. 5;
7) The traction force and the turning force are removed, and the turning device 9 applies a pressing force at the turning positions of the bending part 11 and the side organ 12, so that the bending part 11 after turning forms two symmetrical square turning surfaces, and the turning position of the side organ 12 forms two symmetrical triangular turning surfaces, as shown in fig. 6;
8) Cutting along the midline of the triangular folded surface on the side organ 12 by a cutting device, wherein one side organ 12 is divided into two completely symmetrical parts which are respectively used as one side surface of two adjacent packaging bags, as shown in figures 7 and 8;
9) A package was obtained as shown in fig. 9.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides a processing method of integral type wrapping bag, is realized based on the processing equipment of an integral type wrapping bag, and processing equipment of integral type wrapping bag includes membrane material conveyor, direction turns over a device, side organ conveyor, scalds pressure device, clamp plate and draw gear, wherein:
the film material conveying device is used for conveying the packaging bag film material along the length direction of the packaging bag film material;
The guiding turnover device is used for guiding and turnover the packaging bag film material along the length direction thereof to form an upper film and a lower film of the packaging bag, and the turned film material forms a bending part with a certain width at the turnover position of the upper film and the lower film;
The side organ conveying device is arranged at the downstream of the guide folding device, is used for conveying the side organ to the position between the folded upper film and the folded lower film along the width direction of the packaging bag film and is close to the bending part;
the ironing device is arranged at the downstream of the side organ conveying device and is used for ironing and fixing side organ points between the upper membrane and the lower membrane on the upper membrane and the lower membrane;
the pressing plate comprises a first pressing plate, a second pressing plate and a third pressing plate, wherein the first pressing plate and the second pressing plate are arranged in a matching way and are positioned at the downstream of the ironing device, and the upper film and the lower film after spot ironing are conveyed between the first pressing plate and the second pressing plate to be compacted;
the traction device is arranged in a matching manner with the first pressing plate and the second pressing plate, is correspondingly arranged at the side organ point ironing fixing position and is used for applying force in the direction perpendicular to the film material to the bending part of the film material structure after point ironing;
the processing equipment also comprises a turning device and a cutting device;
it is characterized by comprising the following steps,
1) The film material conveying device conveys the film material along the length direction, and the film material is guided and folded along the length direction by the guiding folding device to form an upper film, a lower film and a bending part of the film material;
2) The film material in the conveying process passes through the side organ conveying device, the side organ conveying device sends the side organ between the upper film and the lower film, and the side organ point is fixed on the upper film and the lower film through the ironing device;
3) The continuously conveyed film passes through the first pressing plate and the second pressing plate, the first pressing plate and the second pressing plate apply a pressing force to the upper film and the lower film oppositely, and the upper film, the lower die and the side organ under the action of the pressing force are in a bonding state;
4) Under the action of the pressing force, traction force vertical to the membrane material is applied to the bending part of the membrane material through the traction device, and the bending part is upwards and downwards opened under the action of the traction force, so that a side organ port close to the bending part is driven to be opened to form a quadrilateral structure;
5) Under the dual actions of the pressing force and the traction force, a folding force towards one side of the side organ is applied to the unfolded bending part through the third pressing plate, so that the bending part is folded towards one side of the side organ, and the end part of the quadrilateral structure of the side organ is folded;
6) The traction force and the turning force are removed, and the turning device applies a pressing force at the turning position of the bending part and the side organ, so that the bending part after turning forms two symmetrical square turning surfaces, and the turning position of the side organ forms two symmetrical triangular turning surfaces;
7) And shearing along the central line of the triangular folded surface on the side organ by the cutting device to obtain the packaging bag.
2. The method of claim 1, wherein in step 1), the distances between the side gusset and the bending portion of the film are equal.
3. The method of claim 1, wherein in step 1), the side gusset is fixed to the film by spot ironing through the edges on the diagonal lines, and the edges of each side gusset, which are fixed to the film by spot ironing, are the same.
4. The method of claim 1, wherein in step 4), the direction of the folding force coincides with the transverse diagonal of the quadrilateral structure of the side gusset port, under the action of the folding force, the two angles at which the transverse diagonal is located are folded inwards, the two angles at which the longitudinal diagonal is located are perpendicular to the transverse diagonal to form a vertex angle, and the surface at which the vertex angle is located is a triangular folded surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811612484.XA CN111376530B (en) | 2018-12-27 | 2018-12-27 | Integrated packaging bag processing equipment and processing method thereof |
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| CN201811612484.XA CN111376530B (en) | 2018-12-27 | 2018-12-27 | Integrated packaging bag processing equipment and processing method thereof |
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| CN111376530A CN111376530A (en) | 2020-07-07 |
| CN111376530B true CN111376530B (en) | 2025-05-09 |
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| CN112644083A (en) * | 2020-12-23 | 2021-04-13 | 安徽迈德普斯医疗科技有限公司 | Medical bag forming equipment |
| CN114407433B (en) * | 2021-12-29 | 2023-09-01 | 浙江欧诺机械有限公司 | Forming method of paper bag body |
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| CN103817974A (en) * | 2014-02-25 | 2014-05-28 | 温州欧伟机械股份有限公司 | Non-woven bag forming machine and bag forming process |
| CN104175598A (en) * | 2014-08-06 | 2014-12-03 | 中山市新宏业自动化工业有限公司 | Double outlet flat bottom bag machine |
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| JP3733085B2 (en) * | 2002-06-03 | 2006-01-11 | トタニ技研工業株式会社 | Plastic bag and bag making machine |
| CN204036932U (en) * | 2014-08-06 | 2014-12-24 | 中山市新宏业自动化工业有限公司 | A kind of pair goes out flat bottom bags Bag Making Machine |
| CN104385674B (en) * | 2014-11-21 | 2017-01-18 | 江阴市汇通包装机械有限公司 | Tetragonal bag production line |
| CN104786552B (en) * | 2015-04-23 | 2017-09-05 | 无锡鸿昌精密机械有限公司 | A kind of hemmer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817974A (en) * | 2014-02-25 | 2014-05-28 | 温州欧伟机械股份有限公司 | Non-woven bag forming machine and bag forming process |
| CN104175598A (en) * | 2014-08-06 | 2014-12-03 | 中山市新宏业自动化工业有限公司 | Double outlet flat bottom bag machine |
| CN209738385U (en) * | 2018-12-27 | 2019-12-06 | 上海洲泰轻工机械制造有限公司 | processing equipment of integral type wrapping bag |
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