CN113305025A - Food packaging material detection device and detection method - Google Patents
Food packaging material detection device and detection method Download PDFInfo
- Publication number
- CN113305025A CN113305025A CN202110654680.9A CN202110654680A CN113305025A CN 113305025 A CN113305025 A CN 113305025A CN 202110654680 A CN202110654680 A CN 202110654680A CN 113305025 A CN113305025 A CN 113305025A
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- Prior art keywords
- food packaging
- roller
- pedestal
- seat
- packaging bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention relates to a food packaging material detection device which comprises a pedestal, a positioning mechanism, a waste recovery groove, fans and a pretreatment mechanism, wherein the positioning mechanism is fixedly arranged at one end of the pedestal, the positioning mechanism is slidably arranged at the other end of the pedestal, the fans are arranged on the inner wall of one side of the pedestal, and the waste recovery groove is arranged on the other side of the pedestal; place food package bag one end on first compression roller, rotatory second threaded rod drives threaded connection's slide removal this moment, second compression roller and the food package bag contact up to the roller seat, the slide lasts to move down, the roller seat drives the inside spring of regulation pole compression inside groove this moment, elastic deformation through the spring presss from both sides food package bag elastic clamping between first compression roller and second compression roller, stimulate food package bag this moment, food package bag realizes flattening the preliminary treatment through first compression roller and second compression roller in proper order, realize the preliminary treatment to the food package bag of different thickness, the wrapping bag of assurance detection time levels no fold.
Description
Technical Field
The invention relates to the technical field of food packaging material detection, in particular to food packaging material detection equipment and a detection method.
Background
The quality, especially the sanitary quality, of food packaging bags in the flexible packaging industry is directly related to the safety of packaged food, because the used raw materials and additives are ensured to meet the management system of quality requirements.
Before physical and mechanical properties of an existing food packaging bag are detected, the food packaging bag needs to be flat and smooth without wrinkles, otherwise, detection data are prone to deviation; meanwhile, different food packaging bags are different in size and specification, the packaging bags need to be positioned and fixed during detection, and otherwise, the measurement cannot be normally carried out.
Disclosure of Invention
The invention aims to provide a food packaging material detection device and a detection method, which solve the problems that the flatness and no wrinkle of a food packaging bag are required to be ensured before the physical and mechanical properties of the existing food packaging bag are detected, otherwise, the detection data is easy to deviate; meanwhile, different food packaging bags are different in size and specification, the packaging bags need to be positioned and fixed during detection, and otherwise, the technical problem that measurement cannot be normally carried out is solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a food packaging material detection device comprises a pedestal, a positioning mechanism, a waste recovery groove, a fan and a pretreatment mechanism, wherein the positioning mechanism is fixedly installed at one end of the pedestal, the positioning mechanism is installed at the other end of the pedestal in a sliding mode, the fans are arranged on the inner wall of one side of the pedestal, the waste recovery groove is formed in the other side of the pedestal, and the pretreatment mechanism is installed on the outer wall of one side of the pedestal;
the positioning mechanism comprises a U-shaped frame, a limiting roller, a limiting groove and a clamping plate, wherein the limiting roller is rotatably arranged in the U-shaped frame, the limiting groove is formed in the side wall of the limiting roller, and the clamping plate is movably arranged in the limiting groove;
the pretreatment mechanism comprises a limiting seat, a first compression roller, a roller seat and a second compression roller, wherein a sliding seat is movably mounted at the top of the limiting seat, the first compression roller is mounted in the limiting seat in a rotating mode, a plurality of inner grooves are formed in the sliding seat, springs are mounted in the inner grooves, the bottom ends of the springs are connected with the top end of an adjusting rod, the bottom end of the adjusting rod is located between the limiting seat and the sliding seat and is connected with the roller seat, and the second compression roller is mounted on the bottom side of the roller seat in a rotating mode.
Preferably, the pedestal other end is provided with the curb plate, the atmospheric pressure pole is installed in the curb plate outside, the flexible end of atmospheric pressure pole runs through the curb plate and is connected with positioning mechanism's U type frame.
Preferably, a bolt column is installed at one end of the limiting roller, the bolt column penetrates through one end of the U-shaped frame, the bolt column is connected with a bearing of the U-shaped frame, and a nut is installed on the outer side of the bolt column in a threaded mode.
Preferably, the other end of the limiting roller is provided with a rotating sleeve, and the rotating sleeve is connected with a U-shaped frame bearing.
Preferably, the pressure regulating cavity is horizontally formed in the limiting roller, the plurality of regulating cavities are formed in the limiting roller and are perpendicular to the pressure regulating cavity, and the regulating cavities are in conduction connection with the pressure regulating cavity through connecting channels.
Preferably, the internal thread of the rotating sleeve is penetrated and installed with a first threaded rod, the outer end of the first threaded rod is installed with a rotating handle, the inner end of the first threaded rod is located in the adjusting cavity and is provided with a first piston, the inner part of the adjusting cavity is provided with a second piston, the second piston is connected with one end of a movable rod, and the other end of the movable rod is connected with a clamping plate.
Preferably, a second threaded rod is installed to spacing seat one end top side bearing, and second threaded rod top end screw thread runs through the slide and installs the commentaries on classics handle, the guide arm is installed to spacing seat top side symmetry, and the guide arm runs through the slide.
A detection method of food packaging material detection equipment comprises the following specific operation steps:
the method comprises the following steps: one end of a food packaging bag is placed on a first compression roller, a second threaded rod is rotated at the moment to drive a sliding seat in threaded connection to move until a second compression roller of a roller seat is in contact with the food packaging bag, the sliding seat continuously moves downwards, the roller seat drives an adjusting rod to compress a spring in an inner groove at the moment, the food packaging bag is elastically clamped between the first compression roller and the second compression roller through the elastic deformation of the spring, the food packaging bag is pulled at the moment, and the food packaging bag is sequentially pressed by the first compression roller and the second compression roller to realize flattening pretreatment;
step two: then, the air pressure rod works to drive one positioning mechanism to move, the distance between the two positioning mechanisms is adjusted, then the two ends of the food packaging bag are respectively placed in the limiting grooves, the first threaded rod is rotated to drive the first piston to move, air in the pressure regulating cavity is pressed into the regulating cavity, the second piston and the clamping plate on the movable rod move, and then the two ends of the food packaging bag are fixed between the clamping plate and the top wall of the limiting groove;
step three: at this moment, the positioning mechanism is driven to move through the contraction of the air pressure rod until the food packaging bag is tightened and continues to be stretched, the detection on the physical and mechanical properties of the food packaging bag is realized, the food packaging bag after detection is detached from the positioning mechanism, the food packaging bag is directly placed on the pedestal after observation, and waste materials are blown to the waste material recovery tank through the work of the fan to be collected.
The invention has the beneficial effects that: one end of a food packaging bag is placed on a first compression roller, a second threaded rod is rotated at the moment to drive a sliding seat in threaded connection to move until a second compression roller of a roller seat is in contact with the food packaging bag, the sliding seat continuously moves downwards, the roller seat drives an adjusting rod to compress a spring inside an inner groove at the moment, the food packaging bag is elastically clamped between the first compression roller and the second compression roller through elastic deformation of the spring, the food packaging bag is pulled at the moment, the food packaging bag is sequentially subjected to flattening pretreatment through the first compression roller and the second compression roller, pretreatment on the food packaging bags with different thicknesses is realized, and the packaging bag is guaranteed to be flat and free of wrinkles during detection;
the pneumatic rod works to drive one positioning mechanism to move, the distance between the two positioning mechanisms is adjusted, then the two ends of the food packaging bag are respectively placed in the limiting grooves, the first threaded rod is rotated to drive the first piston to move, air in the pressure regulating cavity is pressed into the pressure regulating cavity, the second piston and the clamping plates on the movable rod are moved, the two ends of the food packaging bag are fixed between the clamping plates and the top wall of the limiting groove, clamping and fixing of the food packaging bags with different specifications and lengths are realized, and practical operation and application are facilitated;
food package bag after detecting simultaneously pulls down from positioning mechanism, directly places on the pedestal after observing, blows the waste material to waste recovery groove through fan work and accomplishes the collection, realizes that the garbage cleaning is collected.
Drawings
FIG. 1 is a schematic view of an overall side structure of the present invention;
FIG. 2 is another schematic view of the overall structure of the present invention;
FIG. 3 is a first cross-sectional view of a spacer roll of the present invention;
FIG. 4 is a second cross-sectional view of a spacer roll of the present invention;
FIG. 5 is a schematic diagram of the pretreatment mechanism of the present invention.
Illustration of the drawings:
1. a pedestal; 2. a positioning mechanism; 3. a waste recovery tank; 4. a fan; 5. a pretreatment mechanism; 6. a side plate; 7. a pneumatic rod; 8. a U-shaped frame; 9. a limiting roller; 10. a bolt column; 11. a nut; 12. rotating the sleeve; 13. a first threaded rod; 14. a pressure regulating cavity; 15. a first piston; 16. an adjustment chamber; 17. a limiting groove; 18. a splint; 19. a movable rod; 20. a second piston; 21. a limiting seat; 22. a first press roll; 23. a slide base; 24. a second threaded rod; 25. an inner tank; 26. a spring; 27. adjusting a rod; 28. a roller base; 29. and a second press roll.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Specific examples are given below.
Referring to fig. 1 to 5, the food packaging material detection device comprises a pedestal 1, a positioning mechanism 2, a waste recovery tank 3, a fan 4 and a pretreatment mechanism 5, wherein the positioning mechanism 2 is fixedly installed at one end of the pedestal 1, the positioning mechanism 2 is installed at the other end of the pedestal 1 in a sliding manner, the inner wall of one side of the pedestal 1 is provided with a plurality of fans 4, the waste recovery tank 3 is arranged at the other side of the pedestal 1, and the pretreatment mechanism 5 is installed on the outer wall of one side of the pedestal 1;
the positioning mechanism 2 comprises a U-shaped frame 8, a limiting roller 9, a limiting groove 17 and a clamping plate 18, wherein the limiting roller 9 is rotatably arranged in the U-shaped frame 8, the limiting groove 17 is formed in the side wall of the limiting roller 9, and the clamping plate 18 is movably arranged in the limiting groove 17;
the pretreatment mechanism 5 comprises a limiting seat 21, a first pressing roller 22, a roller seat 28 and a second pressing roller 29, a sliding seat 23 is movably mounted at the top of the limiting seat 21, the first pressing roller 22 is rotatably mounted inside the limiting seat 21, a plurality of inner grooves 25 are formed inside the sliding seat 23, springs 26 are mounted inside the inner grooves 25, the bottom ends of the springs 26 are connected with the top end of an adjusting rod 27, the bottom end of the adjusting rod 27 is located between the limiting seat 21 and the sliding seat 23 and is connected with the roller seat 28, and the second pressing roller 29 is rotatably mounted at the bottom side of the roller seat 28.
As an embodiment of the invention, a side plate 6 is arranged at the other end of the pedestal 1, a pneumatic rod 7 is arranged on the outer side of the side plate 6, the telescopic end of the pneumatic rod 7 penetrates through the side plate 6 to be connected with a U-shaped frame 8 of the positioning mechanism 2, a bolt column 10 is arranged at one end of a limiting roller 9, the bolt column 10 penetrates through one end of the U-shaped frame 8, the bolt column 10 is in bearing connection with the U-shaped frame 8, a nut 11 is arranged on the outer side of the bolt column 10 in a threaded mode, the nut 11 is unscrewed, the limiting roller 9 is rotated on the U-shaped frame 8, the nut 11 is screwed, and the limiting roller 9 is fixed on the U-shaped frame 8.
As an embodiment of the invention, the other end of the limit roller 9 is provided with a rotating sleeve 12, and the rotating sleeve 12 is in bearing connection with the U-shaped frame 8, so that the rotating sleeve 12 and the limit roller 9 are rotatably arranged.
As an embodiment of the invention, a pressure regulating cavity 14 is horizontally formed in a limiting roller 9, a plurality of regulating cavities 16 are formed in the limiting roller 9, the regulating cavities 16 are perpendicular to the pressure regulating cavity 14, the regulating cavities 16 are in conduction connection with the pressure regulating cavity 14 through a connecting channel, a first threaded rod 13 is installed in a rotary sleeve 12 in a threaded penetrating mode, a rotary handle is installed at the outer end of the first threaded rod 13, a first piston 15 is installed at the inner end of the first threaded rod 13, the first piston 15 is located in the regulating cavity 16, a second piston 20 is installed in the regulating cavity 16, the second piston 20 is connected with one end of a movable rod 19, the other end of the movable rod 19 is connected with a clamping plate 18, the first threaded rod 13 is rotated to drive the first piston 15 to move, air in the pressure regulating cavity 14 is pressed into the regulating cavity 16, and the second piston 20 and the clamping plate 18 on the movable rod 19 move.
As an embodiment of the invention, a second threaded rod 24 is bearing-mounted on the top side of one end of the limiting seat 21, a rotating handle is mounted on the top end of the second threaded rod 24 in a threaded manner to penetrate through the sliding seat 23, guide rods are symmetrically mounted on the top side of the limiting seat 21 and penetrate through the sliding seat 23, and the second threaded rod 24 is rotated to drive the sliding seat 23 in threaded connection to move.
A detection method of food packaging material detection equipment comprises the following specific operation steps:
the method comprises the following steps: one end of a food packaging bag is placed on a first press roller 22, at the moment, a second threaded rod 24 is rotated to drive a sliding seat 23 in threaded connection to move until a second press roller 29 of a roller seat 28 is in contact with the food packaging bag, the sliding seat 23 continuously moves downwards, at the moment, the roller seat 28 drives an adjusting rod 27 to compress a spring 26 inside an inner groove 25, the food packaging bag is elastically clamped between the first press roller 22 and the second press roller 29 through the elastic deformation of the spring 26, at the moment, the food packaging bag is pulled, and the food packaging bag sequentially passes through the first press roller 22 and the second press roller 29 to realize flattening pretreatment;
step two: then, the air pressure rod 7 works to drive one positioning mechanism 2 to move, the distance between the two positioning mechanisms 2 is adjusted, then, two ends of a food packaging bag are respectively placed in the limiting grooves 17, at the moment, the first threaded rod 13 is rotated to drive the first piston 15 to move, air in the pressure regulating cavity 14 is pressed into the regulating cavity 16, the second piston 20 and the clamping plate 18 on the movable rod 19 move, and then two ends of the food packaging bag are fixed between the clamping plate 18 and the top walls of the limiting grooves 17;
step three: at this moment, the positioning mechanism 2 is driven to move through the contraction of the air pressure rod 7 until the food packaging bag is tightened, the stretching is continued, the detection on the physical and mechanical properties of the food packaging bag is realized, the food packaging bag after the detection is detached from the positioning mechanism 2, the food packaging bag is directly placed on the pedestal 1 after the observation, and the waste material is blown to the waste material recovery tank 3 through the work of the fan 4 to complete the collection.
One end of a food packaging bag is placed on a first pressing roller 22, at the moment, a second threaded rod 24 is rotated to drive a sliding seat 23 in threaded connection to move until a second pressing roller 29 of a roller seat 28 is in contact with the food packaging bag, the sliding seat 23 continuously moves downwards, at the moment, the roller seat 28 drives an adjusting rod 27 to compress a spring 26 inside an inner groove 25, the food packaging bag is elastically clamped between the first pressing roller 22 and the second pressing roller 29 through the elastic deformation of the spring 26, the food packaging bag is pulled, the food packaging bag is sequentially subjected to flattening pretreatment through the first pressing roller 22 and the second pressing roller 29, the pretreatment of the food packaging bags with different thicknesses is realized, and the packaging bag is ensured to be flat and have no wrinkles during detection;
the pneumatic rod 7 works to drive one positioning mechanism 2 to move, the distance between the two positioning mechanisms 2 is adjusted, then two ends of a food packaging bag are respectively placed in the limiting grooves 17, at the moment, the first threaded rod 13 is rotated to drive the first piston 15 to move, air in the pressure regulating cavity 14 is pressed into the regulating cavity 16, the second piston 20 and the clamping plate 18 on the movable rod 19 are moved, and then two ends of the food packaging bag are fixed between the clamping plate 18 and the top wall of the limiting groove 17, so that the food packaging bags with different specifications and lengths are clamped and fixed, and the food packaging bag clamping device is convenient to operate and apply practically;
food package bag after the while detects is pulled down from positioning mechanism 2, directly places on pedestal 1 after observing, blows waste material to waste recovery groove 3 through 4 work of fan and accomplishes the collection, realizes that the garbage cleaning is collected.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The food packaging material detection equipment is characterized by comprising a pedestal (1), a positioning mechanism (2), a waste recovery groove (3), a fan (4) and a pretreatment mechanism (5), wherein the positioning mechanism (2) is fixedly installed at one end of the pedestal (1), the positioning mechanism (2) is installed at the other end of the pedestal (1) in a sliding mode, the fans (4) are arranged on the inner wall of one side of the pedestal (1), the waste recovery groove (3) is formed in the other side of the pedestal (1), and the pretreatment mechanism (5) is installed on the outer wall of one side of the pedestal (1);
the positioning mechanism (2) comprises a U-shaped frame (8), a limiting roller (9), a limiting groove (17) and a clamping plate (18), the limiting roller (9) is rotatably arranged in the U-shaped frame (8), the limiting groove (17) is formed in the side wall of the limiting roller (9), and the clamping plate (18) is movably arranged in the limiting groove (17);
pretreatment mechanism (5) include spacing seat (21), first compression roller (22), roller seat (28) and second compression roller (29), spacing seat (21) top movable mounting has slide (23), spacing seat (21) internal rotation installs first compression roller (22), a plurality of inside groove (25) have been seted up to slide (23) inside, inside groove (25) internally mounted has spring (26), spring (26) bottom is connected with adjusting pole (27) top, it is connected with roller seat (28) to adjust pole (27) bottom to be located between spacing seat (21) and slide (23), roller seat (28) bottom side is rotated and is installed second compression roller (29).
2. The food packaging material detection device according to claim 1, wherein a side plate (6) is arranged at the other end of the pedestal (1), a pneumatic rod (7) is arranged outside the side plate (6), and the telescopic end of the pneumatic rod (7) penetrates through the side plate (6) to be connected with the U-shaped frame (8) of the positioning mechanism (2).
3. The food packaging material detection device according to claim 1, wherein one end of the limiting roller (9) is provided with a bolt column (10), the bolt column (10) penetrates through one end of the U-shaped frame (8), the bolt column (10) is in bearing connection with the U-shaped frame (8), and a nut (11) is arranged on the outer side of the bolt column (10) in a threaded mode.
4. The food packaging material detection device as claimed in claim 1, wherein a rotary sleeve (12) is mounted at the other end of the limiting roller (9), and the rotary sleeve (12) is in bearing connection with the U-shaped frame (8).
5. The food packaging material detection device according to claim 1, wherein the limiting roller (9) is horizontally provided with a pressure regulating cavity (14), the limiting roller (9) is internally provided with a plurality of regulating cavities (16), the regulating cavities (16) are perpendicular to the pressure regulating cavity (14), and the regulating cavities (16) are in conduction connection with the pressure regulating cavity (14) through a connecting channel.
6. The food packaging material detection device as claimed in claim 4, wherein a first threaded rod (13) is installed in the rotating sleeve (12) in a penetrating mode through internal threads, a rotating handle is installed at the outer end of the first threaded rod (13), a first piston (15) is installed in an adjusting cavity (16) at the inner end of the first threaded rod (13), a second piston (20) is installed in the adjusting cavity (16), the second piston (20) is connected with one end of a movable rod (19), and the other end of the movable rod (19) is connected with a clamping plate (18).
7. The food packaging material detection device as claimed in claim 1, wherein a second threaded rod (24) is bearing-mounted on the top side of one end of the limiting seat (21), a rotating handle is mounted on the top end of the second threaded rod (24) in a threaded manner to penetrate through the sliding seat (23), guide rods are symmetrically mounted on the top side of the limiting seat (21), and the guide rods penetrate through the sliding seat (23).
8. The inspection method of an inspection apparatus for food packaging material as claimed in any one of claims 1 to 7, wherein the inspection method comprises the following steps:
the method comprises the following steps: one end of a food packaging bag is placed on a first pressing roller (22), at the moment, a second threaded rod (24) is rotated to drive a sliding seat (23) in threaded connection to move until a second pressing roller (29) of a roller seat (28) is contacted with the food packaging bag, the sliding seat (23) continuously moves downwards, the roller seat (28) drives an adjusting rod (27) to compress a spring (26) inside an inner groove (25), the food packaging bag is elastically clamped between the first pressing roller (22) and the second pressing roller (29) through elastic deformation of the spring (26), the food packaging bag is pulled at the moment, and the food packaging bag sequentially passes through the first pressing roller (22) and the second pressing roller (29) to realize flattening pretreatment;
step two: then, a positioning mechanism (2) is driven to move through the work of a pneumatic rod (7), the distance between the two positioning mechanisms (2) is adjusted, then the two ends of the food packaging bag are respectively placed in a limiting groove (17), at the moment, a first threaded rod (13) is rotated to drive a first piston (15) to move, air in a pressure regulating cavity (14) is pressed into a regulating cavity (16), the second piston (20) and a clamping plate (18) on a movable rod (19) move, and then the two ends of the food packaging bag are fixed between the clamping plate (18) and the top wall of the limiting groove (17);
step three: at this moment, the positioning mechanism (2) is driven to move through the contraction of the air pressure rod (7) until the food packaging bag is tightened and continues to be stretched, the physical and mechanical properties of the food packaging bag are detected, the detected food packaging bag is detached from the positioning mechanism (2), the food packaging bag is directly placed on the pedestal (1) after being observed, and the waste is blown to the waste recovery tank (3) through the work of the fan (4) to complete the collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110654680.9A CN113305025A (en) | 2021-06-11 | 2021-06-11 | Food packaging material detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110654680.9A CN113305025A (en) | 2021-06-11 | 2021-06-11 | Food packaging material detection device and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113305025A true CN113305025A (en) | 2021-08-27 |
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ID=77378607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110654680.9A Withdrawn CN113305025A (en) | 2021-06-11 | 2021-06-11 | Food packaging material detection device and detection method |
Country Status (1)
| Country | Link |
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| CN (1) | CN113305025A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682584A (en) * | 2021-09-16 | 2021-11-23 | 无锡友迈智能装备有限公司 | Bag folding method and bag folding device of bag making machine |
-
2021
- 2021-06-11 CN CN202110654680.9A patent/CN113305025A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682584A (en) * | 2021-09-16 | 2021-11-23 | 无锡友迈智能装备有限公司 | Bag folding method and bag folding device of bag making machine |
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Application publication date: 20210827 |
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