CN115783412A - Packaging bag folding device - Google Patents
Packaging bag folding device Download PDFInfo
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- CN115783412A CN115783412A CN202211369038.7A CN202211369038A CN115783412A CN 115783412 A CN115783412 A CN 115783412A CN 202211369038 A CN202211369038 A CN 202211369038A CN 115783412 A CN115783412 A CN 115783412A
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Abstract
The invention discloses a packaging bag folding device which comprises an upper adsorption mechanism, a lower adsorption mechanism, an upper folding plate, a lower folding plate, a first angle supporting plate and a second angle supporting plate, wherein the upper adsorption mechanism is arranged on the upper side of the upper folding plate; the lower adsorption mechanism and the upper adsorption mechanism are arranged oppositely; the lower adsorption mechanism and the upper adsorption mechanism can move oppositely; the upper turning plate is hinged with the upper adsorption mechanism and is driven to turn over by the upper power driving piece so as to turn over the first edge of the packaging bag; the lower turning plate is hinged with the lower adsorption mechanism and is driven to turn over by the lower power driving piece so as to turn over the second edge of the packaging bag; the first angle supporting plate and the second angle supporting plate can move towards the first direction of the lower adsorption mechanism and the upper adsorption mechanism, and push the corner parts at two sides of the outer bag and the inner bag of the packaging bag to be raised so as to fold the outer bag and the inner bag inwards; the first gusset and the second gusset are movable toward each other in a second direction intersecting the first direction. The invention can increase the strength of the joint of the inner bag and the outer bag opening, is convenient for welding and sealing the inner bag and the outer bag, and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of packaging bag production equipment, in particular to a packaging bag folding device which is used for a ring opening machine.
Background
When the moisture-proof objects such as feed, fertilizer and the like are required to be packaged, the packaging bag is required to have good strength and good tightness, so that the packaging bag is convenient to carry and transport after the objects are packaged, and meanwhile, the packaged objects can be well moisture-proof. However, the packaging bags used for packaging articles needing moisture protection in the prior art are usually woven bags or kraft paper bags, the strength of the articles packaged by the woven bags is good, but the articles do not have the moisture protection function, and the tightness of the articles packaged by the kraft paper bags is good, so that the moisture protection performance is good, but the strength is poor.
Therefore, in order to make the packaging bag have good strength and good sealing property and be moisture-proof, the packaging bag needs to sleeve an inner bag and an outer bag together, wherein the outer bag and the inner bag are made of different materials, the outer bag is made of a material with good strength and poor sealing property such as a woven bag, and the inner bag is made of a material with poor strength and good sealing property such as a PE bag.
When the packaging bag is produced, the inner bag is sleeved in the outer bag by using a bagging machine generally, then the tail parts of the inner bag and the outer bag are sewn, the opening of the head part of the inner bag and the head part of the outer bag are kept open, meanwhile, the inner bag and the outer bag are sealed and welded together, in order to increase the firmness of the welding and sealing of the inner bag and the outer bag, the strength of the joint of the inner bag and the opening part of the outer bag is increased, and the production efficiency is improved, after the welding and sealing part of the inner bag and the outer bag is coated with glue, the welding and sealing part of the inner bag and the outer bag needs to be folded, and the scheme is produced.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, an object of the present invention is to provide a folding device for a packaging bag, so as to increase the firmness of the welding seal between the inner bag and the outer bag, increase the strength of the joint between the inner bag and the mouth of the outer bag, facilitate the welding seal between the inner bag and the outer bag, and improve the production efficiency.
In order to achieve the above object, a first aspect of the present invention provides a package folding device, including:
the upper adsorption mechanism is used for adsorbing one side of the outer bag of the packaging bag;
the lower adsorption mechanism is arranged opposite to the upper adsorption mechanism and is used for adsorbing the other side of the outer bag of the packaging bag; the lower adsorption mechanism and the upper adsorption mechanism can move oppositely to open the outer bag of the packaging bag;
the upper turnover plate is hinged with the upper adsorption mechanism and is driven to turn over by an upper power driving piece so as to turn over the first edge of the packaging bag inwards;
the downward-turning plate is hinged with the lower adsorption mechanism and driven to turn over by the lower power driving piece so as to turn over a second edge of the packaging bag, which is opposite to the first edge, inwards;
the first angle supporting plate and the second angle supporting plate can move towards the first direction of the lower adsorption mechanism and the upper adsorption mechanism, and push the corner parts at two sides of the outer bag and the inner bag of the packaging bag to be raised so as to be folded inwards; first angle brace and second angle brace can move in opposite directions towards the crossing second direction with the first direction to prop outer bag and the inner bag both sides bight of flat packing bag.
According to the packaging bag folding device disclosed by the embodiment of the invention, when the welding seal position of the inner bag and the outer bag of the packaging bag is folded, the inner bag of the packaging bag is sleeved in the outer bag in advance, the upper adsorption mechanism adsorbs one side of the outer bag of the packaging bag, the lower adsorption mechanism adsorbs the other side of the outer bag of the packaging bag, the lower adsorption mechanism and the upper adsorption mechanism move oppositely to open the outer bag of the packaging bag, and the inner bag is opened along with the outer bag; the upper turning plate is driven by an upper power driving piece to turn over, the first edge of the packaging bag is turned inwards, the folded edge is positioned in the packaging bag, the lower turning plate is driven by a lower power driving piece to turn over, the second edge of the packaging bag is turned inwards, and the folded edge is positioned in the packaging bag; after the first edge and the second edge of the packaging bag are folded inwards, the upper folding plate, the lower adsorption mechanism and the upper adsorption mechanism clamp two sides of the bag opening, and the bag opening is further opened, so that two side corners of the bag opening are folded inwards passively; first angle brace board and second angle brace board move towards the first direction of lower adsorption device and last adsorption device, then, first angle brace board and second angle brace board move in opposite directions towards the second direction crossing with the first direction, protect the both sides angle after rolling over, prevent to kick-back, with the outer bag and the inner bag both sides bight of propping flat packing bag, thereby straighten the portion of rolling over in the wrapping bag oral area, thereby increase the firmness that inner bag and outer bag welded seal, increase inner bag and outer bag oral area junction intensity, and be convenient for the inner bag welds with the outer bag and seals, and the production efficiency is improved.
In addition, the packaging bag folding device provided by the above embodiment of the present invention may further have the following additional technical features:
optionally, the corner brace further comprises an installation frame, wherein a telescopic mechanism is arranged on the installation frame, the telescopic mechanism is connected with a corner brace advancing slider, the corner brace advancing slider slides on the installation frame, and the corner brace advancing slider is provided with the first corner brace plate and the second corner brace plate.
Specifically, the first angle supporting plate and the second angle supporting plate are hinged to the angle supporting advancing slider respectively, and reset elastic pieces are arranged between the first angle supporting plate and the second angle supporting plate and between the angle supporting advancing slider respectively.
Specifically, be equipped with the strut angle slide rail that advances on the mounting bracket, the strut angle slides on the slide rail that advances and sets up the strut angle slider that advances, be equipped with horizontal slide rail on the strut angle slider that advances, slide on the horizontal slide rail and be equipped with the first slider of connecting first lateral shifting mechanism and the second slider of connecting the second lateral shifting mechanism, set up on the first slider the first gusset plate, set up on the second slider the second gusset plate.
Further, the telescopic mechanism, the first transverse moving mechanism and the second transverse moving mechanism are all cylinders.
Optionally, the first direction is perpendicular to the second direction.
Optionally, the upper power driving part is an upper turning cylinder, the upper turning cylinder is arranged on the upper adsorption mechanism, and a telescopic end of the upper power driving part is hinged with the upper turning plate to drive the upper power driving part to turn.
Optionally, the lower power driving piece is a lower turnover cylinder, the lower turnover cylinder is arranged on the lower adsorption mechanism, and the telescopic end of the lower turnover cylinder is hinged to the lower turnover plate to drive the lower turnover plate to turn over.
Optionally, the upper adsorption mechanism comprises an upper lifting member and an upper suction head connected with negative pressure, and the upper suction head is mounted on the upper lifting member.
Specifically, the upper lifting member is an electric cylinder.
Optionally, the lower adsorption mechanism includes a lower lifting member and a lower suction head connected to the negative pressure, and the lower suction head is mounted on the lower lifting member.
Specifically, the lower lifting member is an electric cylinder.
Optionally, the insertion ends of the first angle supporting plate and the second angle supporting plate are provided with arc surfaces.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of another embodiment of the present invention;
FIG. 3 is a side view of an embodiment of the present invention;
FIG. 4 is another side view of an embodiment of the present invention;
FIG. 5 is a top view of an embodiment of the present invention.
Description of the reference symbols
The device comprises an upper adsorption mechanism 1, an upper lifting piece 11, an upper suction head 12, a lower adsorption mechanism 2, a lower lifting piece 21, a lower suction head 22, an upper turnover plate 3, an upper power driving piece 31, a lower turnover plate 4, a lower power driving piece 41, a first angle supporting plate 5, a second angle supporting plate 6, a mounting frame 7, a telescopic mechanism 71, an angle supporting advancing slider 72, an angle supporting advancing slide rail 73, a transverse slide rail 74, a first transverse moving mechanism 75, a first slider 76, a second transverse moving mechanism 77, a second slider 78 and a packaging bag 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1 to 5, a packaging bag folding apparatus according to an embodiment of the present invention includes an upper suction mechanism 1, a lower suction mechanism 2, an upper folding plate 3, a lower folding plate 4, a first corner supporting plate 5, a second corner supporting plate 6, and a mounting frame 7.
The upper adsorption mechanism 1 is used for adsorbing one side of the outer bag of the packaging bag 8. Optionally, the upper adsorption mechanism 1 includes an upper lifting member 11 and an upper suction head 12 connected with a negative pressure, the upper suction head 12 is mounted on the upper lifting member 11, the upper lifting member 11 may be an electric cylinder and is fixed on the mounting frame 7, the upper lifting member 11 drives the upper suction head 12 to move up and down, the negative pressure mechanism is a related art, a detailed structure of the negative pressure mechanism is not described herein, and a negative pressure hole may be formed in the upper suction head 12, and the negative pressure hole forms a negative pressure to adsorb one side of the outer bag of the packaging bag 8.
The lower adsorption mechanism 2 is arranged opposite to the upper adsorption mechanism 1 and is used for adsorbing the other side of the outer bag of the packaging bag 8; as shown in fig. 1, the lower adsorption mechanism 2 is disposed opposite to the upper adsorption mechanism 1 in the vertical direction. The lower suction mechanism 2 and the upper suction mechanism 1 can move toward each other to open the outer bag of the packing bag 8. Alternatively, the lower adsorption mechanism 2 includes a lower lift 21 and a lower suction head 22 connected to a negative pressure, the lower suction head 22 is mounted on the lower lift 21, and the lower lift 21 may be an electric cylinder.
The upper turning plate 3 is hinged to the upper suction mechanism 1 and turned over by the upper power driving member 31 to turn over the first edge of the packaging bag 8 inward, i.e. the folded edge is turned over toward the inner side of the outer bag of the packaging bag 8. Optionally, the upper power driving component 31 is an upward turning cylinder, the upward turning cylinder is disposed on the upper adsorption mechanism 1, a telescopic end of the upward turning cylinder is hinged to the upward turning plate 3 to drive the upward turning cylinder to turn, specifically, a fixing seat is disposed on the upper suction head 12 of the upper adsorption mechanism 1, and the upward turning cylinder is disposed on the fixing seat.
The lower folding plate 4 is hinged with the lower adsorption mechanism 2 and is driven to turn over by the lower power driving piece 41 so as to turn over the second edge of the packaging bag 8 opposite to the first edge inwards, namely the folded edge is turned over towards the inner side of the outer bag of the packaging bag 8, and the folded edge formed by turning over the second edge of the packaging bag 8 is opposite to the folded edge formed by turning over the first edge. Optionally, the lower power driving component 41 is a lower turnover cylinder, the lower turnover cylinder is disposed on the lower adsorption mechanism 2, a telescopic end of the lower turnover cylinder is hinged to the lower turnover plate 4 to drive the lower adsorption mechanism to turn over, specifically, a fixed seat is disposed on the lower suction head 22 of the lower adsorption mechanism 2, and the upper turnover cylinder is disposed on the fixed seat.
The first angle supporting plate 5 and the second angle supporting plate 6 can move towards the first direction of the lower adsorption mechanism 2 and the upper adsorption mechanism 1, and the first angle supporting plate 5 and the second angle supporting plate 6 push the turned-up parts of the two side corners of the outer bag and the inner bag of the packaging bag 8 to fold the outer bag and the inner bag inwards; the first gusset 5 and the second gusset 6 are movable in a second direction intersecting the first direction so as to be able to be moved toward each other to brace the corners on both sides of the outer bag and the inner bag of the packaging bag 8. As shown in fig. 1, the first gusset 5 and the second gusset 6 are movable in the vertical direction to approach the packaging bag 8 and to be inserted into the packaging bag 8, and the first gusset 5 and the second gusset 6 are movable in the lateral direction toward each other to pull the packaging bag 8 in opposite directions and to flatten the packaging bag 8. Alternatively, the first direction is arranged perpendicular to the second direction, i.e. the first 5 and second 6 gussets are movable in the longitudinal and transverse directions, respectively. After the packaging bag 8 is flatly supported, the first angle supporting plate 5 and the second angle supporting plate 6 are reset, and the lower suction head 22 of the lower adsorption mechanism 2 and the upper suction head 12 of the upper adsorption mechanism 1 are contacted to press the bag for shaping.
Alternatively, the bracket 7 is provided with a telescoping mechanism 71, the telescoping mechanism 71 is connected to a strut angle advancing slider 72, the strut angle advancing slider 72 slides on the bracket 71, and the strut angle advancing slider 72 is provided with the first strut angle plate 5 and the second strut angle plate 6. The telescoping mechanism 71 may be a pneumatic cylinder.
Specifically, the mounting frame 7 is provided with a strut angle advancing slide rail 73, the strut angle advancing slide rail 73 is slidably provided with a strut angle advancing slide block 72, the strut angle advancing slide block 72 is provided with a transverse slide rail 74, the transverse slide rail 74 is slidably provided with a first slide block 76 connected with a first transverse moving mechanism 75 and a second slide block 78 connected with a second transverse moving mechanism 77, the first slide block 76 is provided with a first strut angle plate 5, and the second slide block 78 is provided with a second strut angle plate 6. Further, the first traverse mechanism 75 and the second traverse mechanism 77 may be air cylinders.
The first angle supporting plate 5 and the second angle supporting plate 6 are respectively hinged with the angle supporting advancing slide block 72, and reset elastic pieces are respectively arranged between the first angle supporting plate 5 and the angle supporting advancing slide block 72 and between the second angle supporting plate 6 and the angle supporting advancing slide block 72. In a specific embodiment, as shown in fig. 1 and 2, the first angle-supporting plate 5 is hinged to the first slider 76, the elastic restoring member is disposed between the first angle-supporting plate 5 and the first slider 76, the second angle-supporting plate 6 is hinged to the second slider 78, and the elastic restoring member is disposed between the second angle-supporting plate 6 and the second slider 78, so that the first angle-supporting plate 5 and the second angle-supporting plate 6 are inserted into the packaging bag 8 and push the raised portions of the two side corners of the outer bag and the inner bag of the packaging bag 8 to fold them inward; the adaptability is stronger, can adapt to the perk portion of different shapes.
In this embodiment, the upper power driving element 31 and the lower power driving element 41 are two-stage stroke cylinders, when the upper power driving element 31 drives the upper folding plate 3 to turn over a first side of the inwardly folded packaging bag 8, and the lower power driving element 41 drives the lower folding plate 4 to turn over a second side of the inwardly folded packaging bag 8 opposite to the first side, the upper power driving element 31 and the lower power driving element 41 firstly move along a previous stage of stroke, so that the first side and the second side of the packaging bag 8 are firstly folded by half; at this time, the first gusset 5 and the second gusset 6 are fed into the packaging bag 8, and the first gusset 5 and the second gusset 6 are moved in the opposite directions to brace the corners on both sides of the outer bag and the inner bag of the packaging bag 8; then, the upper power driving part 31 and the lower power driving part 41 continue to travel for a later stroke, so that the first edge and the second edge of the packaging bag 8 are completely turned over; thus, the folded edge is smoother and less wrinkled.
When the welding and sealing position of the inner bag and the outer bag of the packaging bag 8 is turned over, the inner bag of the packaging bag 8 is sleeved in the outer bag in advance, the upper adsorption mechanism 1 adsorbs one side of the outer bag of the packaging bag 8, the lower adsorption mechanism 2 adsorbs the other side of the outer bag of the packaging bag, the lower adsorption mechanism 2 and the upper adsorption mechanism 1 move oppositely to open the outer bag of the packaging bag 8, and the inner bag is opened along with the outer bag; the upper folding plate 3 is driven by an upper power driving piece 31 to turn over, a first edge of the packaging bag 8 is turned inwards, the folded edge is positioned inside the packaging bag 8, the lower folding plate 4 is driven by a lower power driving piece 41 to turn over, a second edge of the packaging bag 8 is turned inwards, and the folded edge is positioned inside the packaging bag 8; after the first edge and the second edge of the packaging bag 8 are folded inwards, the upper folded plate 3, the lower folded plate 4, the lower adsorption mechanism 2 and the upper adsorption mechanism 1 clamp two sides of the bag mouth, and the bag mouth is further opened, so that two corners of the bag mouth are passively folded inwards; first angle brace 5 and second angle brace 6 move towards the first direction of lower adsorption device 2 and last adsorption device 1, then, first angle brace 5 and second angle brace 6 move in opposite directions towards the second direction crossing with the first direction, protect the both sides angle after rolling over, prevent to kick-back, with outer bag and the inner bag both sides bight of propping flat packing bag 8, thereby straighten the interior book part of wrapping bag oral area, thereby increase the firmness that inner bag and outer bag welded seal, increase inner bag and outer bag oral area junction intensity, and be convenient for the inner bag and weld the seal with the outer bag, improve production efficiency. After the packaging bag 8 is flatly supported, the first angle supporting plate 5 and the second angle supporting plate 6 are reset, and the lower suction head 22 of the lower adsorption mechanism 2 and the upper suction head 12 of the upper adsorption mechanism 1 are contacted to press the bag for shaping.
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 device 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 to implicitly indicate 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.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A wrapping bag turns over a device, its characterized in that includes:
the upper adsorption mechanism is used for adsorbing one side of the outer bag of the packaging bag;
the lower adsorption mechanism is arranged opposite to the upper adsorption mechanism and is used for adsorbing the other side of the outer bag of the packaging bag; the lower adsorption mechanism and the upper adsorption mechanism can move oppositely to open the outer bag of the packaging bag;
the upper turnover plate is hinged with the upper adsorption mechanism and is driven to turn over by an upper power driving piece so as to turn over the first edge of the packaging bag inwards;
the lower turning plate is hinged with the lower adsorption mechanism and driven to turn over by a lower power driving piece so as to turn over a second edge of the packaging bag, which is opposite to the first edge, inwards;
the first angle supporting plate and the second angle supporting plate can move towards the first direction of the lower adsorption mechanism and the upper adsorption mechanism, and push the corner parts at two sides of the outer bag and the inner bag of the packaging bag to be raised so as to be folded inwards; first angle brace and second angle brace can move in opposite directions towards the crossing second direction with the first direction to prop outer bag and the inner bag both sides bight of flat packing bag.
2. The bag folding device according to claim 1, further comprising a mounting frame, wherein the mounting frame is provided with a telescoping mechanism, the telescoping mechanism is connected with a corner-opening advancing slider, the corner-opening advancing slider slides on the mounting frame, and the corner-opening advancing slider is provided with the first corner-opening plate and the second corner-opening plate.
3. The bag folding apparatus as claimed in claim 2, wherein said first gusset and said second gusset are hinged to said gusset advancing slider, respectively, and return elastic members are provided between said first gusset and said second gusset and said gusset advancing slider, respectively.
4. The bag folding device according to claim 2, wherein the mounting frame is provided with a corner-supporting advancing slide rail, the corner-supporting advancing slide rail is slidably provided with the corner-supporting advancing slide block, the corner-supporting advancing slide block is provided with a transverse slide rail, the transverse slide rail is slidably provided with a first slide block connected to the first transverse moving mechanism and a second slide block connected to the second transverse moving mechanism, the first slide block is provided with the first corner-supporting plate, and the second slide block is provided with the second corner-supporting plate.
5. The bag folding apparatus of claim 1, wherein said first direction is perpendicular to said second direction.
6. The bag folding apparatus of claim 1, wherein the upper power driving member is an upper folding cylinder, the upper folding cylinder is disposed on the upper suction mechanism, and the telescopic end of the upper folding cylinder is hinged to the upper folding plate to drive the upper folding plate to be turned.
7. The bag folding apparatus of claim 1, wherein said lower power driving member is a lower folding cylinder, said lower folding cylinder is disposed on said lower suction mechanism, and a telescopic end of said lower folding cylinder is hinged to said lower folding plate to drive said lower folding plate to turn.
8. The bag folding apparatus as claimed in claim 1, wherein the upper suction means includes an upper elevating member and an upper suction head connected to a negative pressure, and the upper suction head is mounted on the upper elevating member.
9. The bag folding apparatus of claim 1, wherein the lower suction mechanism comprises a lower lifting member and a lower suction head connected to a negative pressure, the lower suction head being mounted on the lower lifting member.
10. The bag folding apparatus of claim 1 wherein the insertion ends of the first gusset and the second gusset are provided with arcuate surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211369038.7A CN115783412A (en) | 2022-11-03 | 2022-11-03 | Packaging bag folding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211369038.7A CN115783412A (en) | 2022-11-03 | 2022-11-03 | Packaging bag folding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115783412A true CN115783412A (en) | 2023-03-14 |
Family
ID=85435237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211369038.7A Pending CN115783412A (en) | 2022-11-03 | 2022-11-03 | Packaging bag folding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115783412A (en) |
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2022
- 2022-11-03 CN CN202211369038.7A patent/CN115783412A/en active Pending
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