Plastic bag collecting and arranging device

Abstract

The invention provides a plastic bag collecting and arranging device, which is used for collecting and arranging plastic bags filled with materials, and comprises a rack, a conveying belt, a conveying belt, a conveying belt, a conveying belt, a conveying belt and a conveying belt, and is characterized in that the rack is provided with a feeding space; the bag lifting mechanism is movably arranged on the rack in the height direction of the feeding space, and an adsorption part of the bag lifting mechanism faces the feeding space and is used for adsorbing the plastic bags; and the thermal shrinkage mechanism is movably arranged on the rack in the height direction of the feeding space, the thermal shrinkage mechanism is provided with a first thermal shrinkage part and a second thermal shrinkage part which are oppositely arranged, the first thermal shrinkage part and the second thermal shrinkage part are arranged in a manner of being close to each other or away from each other, and the thermal shrinkage mechanism is provided with thermal shrinkage positions for enabling the first thermal shrinkage part and the second thermal shrinkage part to clamp the plastic bag. According to the technical scheme, the technical problem that in the prior art, redundant parts of a plastic bag filled with materials are inconvenient to collect and arrange can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of plastic bag collecting and tidying devices, and in particular to a plastic bag collecting and tidying device. Background Art

[0002] At present, when packing materials, plastic bags need to be put into cartons before packing. After the materials are packed, the part of the plastic bags that is left over from the materials or the box needs to be sorted into the box, and then the box is sealed. The above plastic bag collection operation is generally completed manually on the assembly line, and the manpower consumption is relatively small for small boxes.

[0003] However, for medium and large boxes, it is difficult for one person to complete the plastic bag collection operation according to the production rhythm, and it requires the cooperation of multiple people, which is inconvenient to carry out the collection operation. In addition, it will also lead to extremely high labor costs for the entire collection operation. Summary of the invention

[0004] The main purpose of the present invention is to provide a plastic bag tidying device to solve the technical problem in the prior art that it is inconvenient to tidy up the redundant parts of the plastic bag containing materials.

[0005] In order to achieve the above-mentioned object, the present invention provides a plastic bag collecting device, which is used to collect plastic bags containing materials, and the plastic bag collecting device comprises:

[0006] A frame, wherein the frame has a loading space, and the material with the plastic bag is used to be installed in the loading space;

[0007] A bag lifting mechanism is movably arranged on the frame along the height direction of the feeding space, and the adsorption part of the bag lifting mechanism is arranged toward the feeding space, and the adsorption part of the bag lifting mechanism is used to adsorb the plastic bag;

[0008] A heat shrink mechanism is movably arranged on the frame along the height direction of the loading space, the heat shrink mechanism comprises a first heat shrink portion and a second heat shrink portion which are arranged opposite to each other, the first heat shrink portion and the second heat shrink portion are arranged close to or far from each other, the heat shrink mechanism has a heat shrink position for the first heat shrink portion and the second heat shrink portion to clamp the plastic bag, and the heat shrink mechanism performs heat shrink sealing on the clamped portion of the plastic bag when in the heat shrink position;

[0009] The bag pressing mechanism is movably arranged above the feeding space in the height direction, and the bag pressing part of the bag pressing mechanism is used to press the plastic bag after heat shrinkage.

[0010] Furthermore, the bag lifting mechanism has a plurality of the adsorption parts, and the plurality of the adsorption parts are arranged at intervals in the circumferential direction of the feeding space, and the plurality of the adsorption parts are movably arranged in a direction approaching or moving away from the feeding space.

[0011] Furthermore, the bag carrying mechanism comprises:

[0012] A main body, the main body being movably arranged on the frame along a height direction of the loading space;

[0013] The mounting portion is movably arranged on the main body along a direction approaching or moving away from the loading space, the mounting portion has a mounting opening groove, the opening of the mounting opening groove is arranged toward the loading space, the mounting opening groove has a first mounting side wall and a second mounting side wall connected at a preset angle, and the adsorption portion is installed on the first mounting side wall and / or the second mounting side wall.

[0014] Further, the frame includes a first longitudinal frame and a second longitudinal frame that are arranged oppositely and at intervals, and the loading space is located between the first longitudinal frame and the second longitudinal frame; the main body includes:

[0015] A first main board is movably arranged on the first longitudinal frame along the height direction of the loading space, and the first main board is provided with at least two mounting parts spaced apart along the extension direction of the first main board, and the moving directions of the at least two mounting parts on the first main board are arranged at a first predetermined angle;

[0016] The second main board is movably arranged on the second longitudinal frame along the height direction of the loading space, and at least two mounting parts are arranged on the second main board at intervals along the extension direction of the second main board. The moving directions of at least two mounting parts located on the second main board are arranged at a second predetermined angle.

[0017] Further, the first heat shrinkable part is movably arranged on the first longitudinal frame along the height direction of the loading space, and the second heat shrinkable part is movably arranged on the second longitudinal frame along the height direction of the loading space; and / or,

[0018] The frame also includes a transverse frame, both ends of which are respectively connected to the first longitudinal frame and the second longitudinal frame, the transverse frame is located on the top of the first longitudinal frame and the second longitudinal frame, and the bag pressing mechanism is movably arranged on the transverse frame along the extension direction of the transverse frame.

[0019] Furthermore, the bag carrying mechanism comprises:

[0020] A main body and a driving member, wherein the driving member drives the main body to be movably arranged on the frame along the height direction of the loading space, the adsorption part is installed on the main body, and the bag lifting mechanism further includes an adsorption matching part, which is installed on the main body and located above the adsorption part;

[0021] A position detection part is arranged on the main body and is arranged toward the feeding space, and the position detection part is located above the adsorption part and below the adsorption matching part;

[0022] The control member, the driving member, the position detecting member, the adsorption member and the adsorption matching member are all connected to the control member; when the position detecting member changes from detecting a signal of an object to not detecting a signal of an object, the control member controls the adsorption member and the adsorption matching member to perform adsorption; after the adsorption member and the adsorption matching member have both performed adsorption, when the position detecting member changes from detecting a signal of an object to not detecting a signal of an object, the control member controls the driving member to stop working and the adsorption matching member to stop adsorption.

[0023] Further, the first heat shrinkable part and the second heat shrinkable part are movably arranged below the bag carrying mechanism; or,

[0024] The height difference between the position detection part and the adsorption part is greater than or equal to the heat shrink height of the first heat shrink part; along the height direction of the loading space, the first heat shrink part and the second heat shrink part are movably arranged between the adsorption part and the position detection part.

[0025] Furthermore, the plastic bag collecting device also includes:

[0026] A feeding line is arranged through the feeding space, and a transport part of the feeding line is movably arranged to transport the material with the plastic bag;

[0027] A material detection component, arranged on the feeding line and located in the feeding space;

[0028] A stopper, movably disposed on the feeding line, the stopper having a stop position protruding from the top of the transport part and a avoidance position avoiding the top of the transport part;

[0029] The material detection component, the stopper and the heat shrink mechanism are all connected to the control component; when the material detection component detects that the material with the plastic bag arrives at the feeding space, the control component controls the stopper to move to the stop position; when the control component receives the heat shrink completion signal from the heat shrink mechanism, the control component controls the stopper to move to the avoidance position.

[0030] Furthermore, the plastic bag collecting device also includes:

[0031] A weight detection component is arranged on the feeding line, the weight detection component is located in the feeding space, the weight detection component is used to detect the weight of the material with the plastic bag, and the weight detection component and the adsorption part are both connected to the control component;

[0032] Wherein, the control component controls the adsorption force of the adsorption part according to the detected weight of the weight detection component, and makes the adsorption force of the adsorption part less than or equal to the gravity of the material with the plastic bag; and / or,

[0033] The control component determines whether the plastic bag containing the material is placed in the box according to the detected weight of the weight detection component.

[0034] Furthermore, the plastic bag collecting device also includes:

[0035] A positioning assembly, the positioning assembly can be movably arranged to move to a positioning position for contacting the plastic bag containing the material or to a avoiding position for avoiding the plastic bag containing the material, and the control member is connected to the positioning assembly;

[0036] Wherein, when the stopper is at the stop position, the control member controls the positioning assembly to move to the positioning position; when the stopper is at the avoidance position, the control member controls the positioning assembly to move to the avoidance position.

[0037] By applying the technical solution of the present invention, the plastic bag is adsorbed by the adsorption part of the bag lifting mechanism, the heat shrinking mechanism heat shrinks and seals the plastic bag, and the bag pressing mechanism presses the heat-shrunk plastic bag, thereby realizing the automatic collection of the plastic bag, improving production efficiency, reducing manual operations, and reducing production costs. At the same time, through multiple movable adsorption parts and heat shrinking parts, as well as precise control parts, the stability and accuracy of the plastic bag collection process are ensured, and the quality and efficiency of the plastic bag collection are further improved. In addition, through the setting of weight detection parts and positioning components, accurate positioning and weight control of the plastic bag during the collection process are achieved, ensuring the collection effect of the plastic bag, and also facilitating the smooth progress of subsequent processes, thereby improving the automation level and production capacity of the production line as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0039] Figure 1 It shows a schematic structural diagram of a plastic bag collecting device provided according to an embodiment of the present invention;

[0040] Figure 2 A partial structural schematic diagram of a plastic bag collecting device provided according to an embodiment of the present invention is shown;

[0041] Figure 3 A schematic structural diagram of a frame, a bag lifting mechanism, a heat shrinking mechanism and a bag pressing structure provided in an embodiment of the present invention is shown;

[0042] Figure 4 Shows Figure 3 A schematic diagram of the structure of the middle structure without the outer shell of the frame;

[0043] Figure 5 A schematic structural diagram of a rack provided according to an embodiment of the present invention is shown;

[0044] Figure 6 A schematic structural diagram of a mounting portion provided according to an embodiment of the present invention is shown;

[0045] Figure 7 A schematic structural diagram of a heat shrink mechanism provided according to an embodiment of the present invention is shown;

[0046] Figure 8 A working flow chart of a plastic bag collecting device provided according to an embodiment of the present invention is shown.

[0047] The above drawings include the following reference numerals:

[0048] 10. Frame; 11. Loading space; 12. First longitudinal frame; 13. Second longitudinal frame; 14. Horizontal frame;

[0049] 20. Bag-carrying mechanism;

[0050] 21. Adsorption part;

[0051] 22. Main body; 221. First main board; 222. Second main board;

[0052] 23, mounting portion; 231, mounting opening groove; 2311, first mounting side wall; 2312, second mounting side wall;

[0053] 24. Driving parts;

[0054] 25. Telescopic cylinder;

[0055] 30. Heat shrink mechanism; 31. First heat shrink part; 32. Second heat shrink part; 33. Screw rod; 34. Transmission motor; 35. Heat shrink cylinder; 36. Floating joint;

[0056] 40. Bag pressing mechanism; 41. Bag pressing unit; 42. Bag pressing cylinder;

[0057] 50. Loading line;

[0058] 60. Stopper;

[0059] 70. Positioning assembly; 71. First positioning portion; 72. Second positioning portion;

[0060] 80. Cardboard. DETAILED DESCRIPTION

[0061] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0062] like Figures 1 to 7 As shown, an embodiment of the present invention provides a plastic bag collection device, which is used to collect plastic bags containing materials. The plastic bag collection device includes: a frame 10, the frame 10 has a loading space 11, and the materials with plastic bags are used to be installed in the loading space 11; a bag lifting mechanism 20, which is movably arranged on the frame 10 along the height direction of the loading space 11, and the suction part 21 of the bag lifting mechanism 20 is arranged toward the loading space 11, and the suction part 21 of the bag lifting mechanism 20 is used to suck the plastic bag; a heat shrink mechanism 30, which is arranged along the height direction of the loading space 11 The heat shrink mechanism 30 is movably arranged on the frame 10, and has a first heat shrink portion 31 and a second heat shrink portion 32 that are relatively arranged. The first heat shrink portion 31 and the second heat shrink portion 32 are arranged close to or far away from each other. The heat shrink mechanism 30 has a heat shrink position that enables the first heat shrink portion 31 and the second heat shrink portion 32 to clamp the plastic bag. When the heat shrink mechanism 30 is in the heat shrink position, it heat shrinks and seals the clamped part of the plastic bag; the bag pressing mechanism 40 is movably arranged above the feeding space 11 in the height direction, and the bag pressing portion 41 of the bag pressing mechanism 40 is used to press the plastic bag after heat shrinkage.

[0063] By using the plastic bag collecting and tidying device provided in this embodiment, the plastic bag is lifted by the bag lifting mechanism 20, and then the plastic bag is heat-shrunk by the heat-shrinking mechanism 30, and the plastic bag is collected and pressed by the bag pressing mechanism 40. The collection of the plastic bag is completed through a series of continuous actions such as bag lifting, heat-shrinking, and bag collecting, thereby realizing the automation of the plastic bag collection work and reducing the labor cost of the collection operation (the collection operation can be understood as the collection and sorting operation).

[0064] Specifically, the bag pressing portion 41 may be a bag pressing plate.

[0065] In this embodiment, the bag lifting mechanism 20 has a plurality of adsorption parts 21, which are arranged at intervals in the circumferential direction of the feeding space 11, and the plurality of adsorption parts 21 are movably arranged in a direction close to or away from the feeding space 11. This multi-point adsorption design can lift the plastic bag more evenly, avoid deformation or damage of the plastic bag during the lifting process, ensure the uniformity and aesthetics of the heat shrink seal of the plastic bag, and is particularly suitable for high-end product production lines that require high-quality packaging.

[0066] Specifically, the bag lifting mechanism 20 includes a main body 22 and a mounting portion 23. The main body 22 is movably arranged on the frame 10 along the height direction of the loading space 11. The mounting portion 23 is movably arranged on the main body 22 along the direction close to or away from the loading space 11. The mounting portion 23 has a mounting opening slot 231. The opening of the mounting opening slot 231 is arranged toward the loading space 11. The mounting opening slot 231 has a first mounting side wall 2311 and a second mounting side wall 2312 connected at a preset angle. The adsorption portion 21 is mounted on the first mounting side wall 2311 and / or the second mounting side wall 2312. This design enables the adsorption portion 21 to adsorb the plastic bag from different angles, so as to ensure that part of the plastic bag can be sucked in and stuck into the mounting opening slot 231, and ensure the stability of adsorption, so as to ensure the stable lifting of the plastic bag. In addition, the flexibility and reliability of adsorption are improved, and it is suitable for plastic bags of various shapes and sizes, and the versatility and adaptability of the equipment are enhanced.

[0067] In this embodiment, the frame 10 includes a first longitudinal frame 12 and a second longitudinal frame 13 which are relatively and spaced apart, and the loading space 11 is located between the first longitudinal frame 12 and the second longitudinal frame 13; the main body 22 includes: a first main board 221 and a second main board 222, the first main board 221 is movably arranged on the first longitudinal frame 12 along the height direction of the loading space 11, and the first main board 221 is provided with at least two mounting portions 23 spaced apart along the extension direction of the first main board 221, and the moving directions of at least two mounting portions 23 located on the first main board 221 are set at a first predetermined angle; the second main board 222 is movably arranged on the second longitudinal frame 13 along the height direction of the loading space 11, and the second main board 222 is provided with at least two mounting portions 23 spaced apart along the extension direction of the second main board 222, and the moving directions of at least two mounting portions 23 located on the second main board 222 are set at a second predetermined angle. This dual mainboard design can more stably control the movement of the bag lifting mechanism 20, ensure the stability of the plastic bag during the lifting process, is suitable for the collection of large plastic bags, and improves the carrying capacity and operating efficiency of the equipment.

[0068] Specifically, there are four mounting parts 23 to achieve lifting of the four corners of the plastic bag.

[0069] Specifically, the first heat shrinkable part 31 is movably arranged on the first longitudinal frame 12 along the height direction of the loading space 11, and the second heat shrinkable part 32 is movably arranged on the second longitudinal frame 13 along the height direction of the loading space 11. This layout optimizes the space utilization of the equipment, makes the structure of the plastic bag collecting device more compact, and ensures the accuracy of heat shrinkage, which is suitable for production lines with limited space and improves the layout flexibility of the production line and the integration of the equipment.

[0070] In this embodiment, the frame 10 further includes a transverse frame 14, the two ends of which are respectively connected to the first longitudinal frame 12 and the second longitudinal frame 13, the transverse frame 14 is located on the top of the first longitudinal frame 12 and the second longitudinal frame 13, and the bag pressing mechanism 40 is movably arranged on the transverse frame 14 along the extension direction of the transverse frame 14. This layout optimizes the space utilization of the equipment, makes the structure of the plastic bag collecting device more compact, and ensures the accuracy of bag pressing, which is suitable for production lines with limited space and improves the layout flexibility of the production line and the integration of the equipment.

[0071] Specifically, the bag lifting mechanism 20 includes: a main body 22 and a driving member 24, the driving member 24 drives the main body 22 to be movably arranged on the frame 10 along the height direction of the loading space 11, the adsorption portion 21 is installed on the main body 22, and the bag lifting mechanism 20 also includes an adsorption matching portion, which is installed on the main body 22 and located above the adsorption portion 21; a position detection portion is arranged on the main body 22 and arranged toward the loading space 11, and the position detection portion is located above the adsorption portion 21 and below the adsorption matching portion; a control member, the driving member 24, the position detection portion, the first adsorption portion 21 and the adsorption matching portion are all connected to the control member; when the position detection portion changes from detecting a signal of an object to not detecting a signal of an object, the control member controls the adsorption portion 21 and the adsorption matching portion to perform adsorption; after the adsorption portion 21 and the adsorption matching portion are both adsorbed, when the position detection portion changes from detecting a signal of an object to not detecting a signal of an object, the control member controls the driving member 24 to stop working and the adsorption matching portion to stop adsorption. This precise control mechanism can ensure the accurate position of the plastic bag during the lifting process, ensure that the adsorption portion 21 can always be stably adsorbed to the plastic bag, avoid the situation where the adsorption portion 21 is too high and causes separation from the plastic bag, and avoid the failure of heat shrink sealing caused by the displacement of the plastic bag position. It is suitable for production lines that require high-precision operations and improves the accuracy and success rate of plastic bag collection.

[0072] Specifically, the adsorption portion 21 and the adsorption matching portion may both be suction cup structures.

[0073] Specifically, the first heat shrinkable part 31 and the second heat shrinkable part 32 are movably arranged below the bag lifting mechanism 20; or, the height difference between the position detection part and the adsorption part 21 is greater than or equal to the heat shrink height of the first heat shrinkable part 31; along the height direction of the loading space 11, the first heat shrinkable part 31 and the second heat shrinkable part 32 are movably arranged between the adsorption part 21 and the position detection part. This design ensures the accurate position of the plastic bag during heat shrink sealing, so as to ensure that the heat shrink mechanism 30 can perform heat shrink operation on the plastic bag, and avoid heat shrink operation without a plastic bag between the first heat shrinkable part 31 and the second heat shrinkable part 32. In addition, it also avoids the plastic bag from being poorly sealed or damaged due to improper position during the heat shrink process, which is suitable for production lines that require high-quality heat shrink sealing, and improves the reliability and aesthetics of the heat shrink sealing of the plastic bag.

[0074] In this embodiment, the plastic bag collection device further includes: a feeding line 50, a material detection component, a stopper 60 and a control component. The feeding line 50 is arranged in the feeding space 11, and the transport part of the feeding line 50 is movably arranged to transport the material with the plastic bag; the material detection component is arranged on the feeding line 50 and is located in the feeding space 11; the stopper 60 is movably arranged on the feeding line 50, and the stopper 60 has a stop position protruding from the top of the transport part and a avoidance position avoiding the top of the transport part; the material detection component, the stopper 60 and the heat shrink mechanism 30 are all connected to the control component. When the material detection component detects that the material with the plastic bag arrives at the feeding space 11, the control component controls the stopper 60 to move to the stop position; when the control component receives the heat shrink completion signal of the heat shrink mechanism 30, the control component controls the stopper 60 to move to the avoidance position. This automated material detection and stop mechanism can precisely control the transportation and positioning of plastic bags, avoiding collision and position displacement of plastic bags during transportation. It is suitable for production lines with a high degree of automation and improves the continuity and stability of the production line.

[0075] Specifically, the stopper 60 may be a blocker. The material detection element may be a photoelectric sensor.

[0076] In this embodiment, the plastic bag collection device further includes: a weight detection component, which is arranged on the feeding line 50, and is located in the feeding space 11, and is used to detect the weight of the material with the plastic bag; wherein the weight detection component and the adsorption part 21 are both connected to the control component, and the control component controls the adsorption force of the adsorption part 21 according to the detected weight of the weight detection component, and makes the adsorption force of the adsorption part 21 less than or equal to the gravity of the material with the plastic bag. By setting the weight detection component, the weight of the plastic bag can be monitored in real time, ensuring the stability of the plastic bag during the lifting process, avoiding the lifting failure or equipment damage caused by the excessive weight of the plastic bag, and is suitable for production lines that need to accurately control the weight of the plastic bag, and improves the safety and efficiency of the plastic bag collection.

[0077] The control component determines whether a plastic bag containing materials is placed in the box according to the detected weight of the weight detection component. In this way, when the detected weight is only the weight of the box, the control component and the alarm component of the plastic bag collection device send out an alarm signal, and the control component controls the bag lifting mechanism 20, the heat shrinking mechanism 30 and the bag pressing mechanism 40 not to perform subsequent collection operations to avoid direct pressure damage to the box.

[0078] The plastic bag collection device also includes: a positioning assembly 70, which can be movably arranged to move to a positioning position for contacting a plastic bag containing materials or to a avoiding position for avoiding the plastic bag containing materials, and a control member is connected to the positioning assembly 70. When the stop member 60 is in the stopping position, the control member controls the positioning assembly 70 to move to the positioning position; when the stop member 60 is in the avoiding position, the control member controls the positioning assembly 70 to move to the avoiding position. The setting of the positioning assembly 70 can ensure the accurate position of the plastic bag during the heat shrink sealing and bag pressing process, avoid the deviation of the plastic bag during the operation, and is suitable for production lines that require high-precision positioning, thereby improving the accuracy and reliability of the plastic bag collection.

[0079] Specifically, the positioning assembly 70 includes a first positioning portion 71 and a second positioning portion 72 that are spaced apart. The first positioning portion 71 is movably disposed on the first longitudinal frame 12 along a direction approaching or away from the loading space 11, and the second positioning portion 72 is movably disposed on the second longitudinal frame 13 along a direction approaching or away from the loading space 11.

[0080] When the plastic bag-covered carton 80 on the conveyor line (corresponding to the loading line 50 ) reaches the position of the automatic plastic bag collecting device, the automatic plastic bag collecting device is activated to lift and collect the plastic bags wrapped around the plastic bag-covered carton 80 .

[0081] like Figure 8 As shown, the operation of the automatic plastic bag collecting device is as follows:

[0082] First, the initial positions of the bag lifting mechanism 20 and the heat shrink mechanism 30 are confirmed by the model of the carton 80 , the bag lifting mechanism 20 is adjusted to the initial position by the transmission module position, and the heat shrink mechanism 30 is adjusted to the heat shrink position by the transmission motor 34 and the screw rod 33 .

[0083] When the rubber-covered carton 80 reaches the position of the automatic plastic bag collecting device, the front blocker of the work station (corresponding to the stopper) is released, the work station blocker is lifted, and the left and right positioning mechanisms of the carton 80 (corresponding to the positioning assembly) position the carton 80. The four single-axis cylinders (corresponding to the telescopic cylinders 25) on the two sets of bag lifting mechanisms 20 (also called bag lifting assemblies) extend outward at the same time, and the four bag lifting plates (corresponding to the mounting parts 23) reach the four corners of the rubber-covered carton 80. The four suction cups (corresponding to the adsorption parts 21) are ventilated to suck the outer plastic bags of the rubber-covered carton 80; then the transmission module (corresponding to the driving member 24) drives the bag lifting mechanism 20 to move from bottom to top, thereby the plastic bags are also lifted from bottom to top. The bag is full of materials, so the internal plastic bag will not be lifted; after the bag lifting mechanism 20 reaches the upper end position, the four single-axis cylinders (corresponding to the heat shrink cylinder 35) on the heat shrink mechanism 30 act at the same time, driving the two heat shrink molds (corresponding to the first heat shrink part 31 and the second heat shrink part 32) to move inward until the two heat shrink molds clamp the inner film lifted by the bag lifting mechanism 20, and at the same time, the two heat shrink molds heat-melt the inner film to achieve the effect of sealing the plastic bag; after the action is completed, the bag lifting mechanism 20 and the heat shrink mechanism 30 (also known as the heat shrink component) return to the initial position; at the same time, the bag pressing cylinder 42 extends and moves downward to press the sealed plastic bag downward into the plastic bag carton 80. After completion, the bag pressing cylinder 42 is reset, the plastic bag collection action is completed, and the plastic bag carton 80 enters the next process.

[0084] Specifically, the heat shrink cylinder 35 is connected to the first heat shrink part 31 or the second heat shrink part 32 through a floating joint 36 .

[0085] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects: the collection and sorting of plastic bags is automated, the employee cost is reduced, and the labor intensity of employees is reduced; the collection and sorting process of plastic bags is optimized, the efficiency is increased, and the output is improved. The adsorption part 21 of the bag lifting mechanism 20 adsorbs the plastic bags, the heat shrinking mechanism 30 performs heat shrinking and sealing on the plastic bags, and the bag pressing mechanism 40 presses the heat-shrunk plastic bags, so that the automatic collection and sorting of plastic bags is realized, the production efficiency is improved, the manual operation is reduced, and the production cost is reduced. At the same time, through multiple movable adsorption parts 21 and heat shrinking parts, as well as precise control parts, the stability and accuracy of the plastic bag collection and sorting process are ensured, and the quality and efficiency of the plastic bag collection and sorting are further improved. In addition, through the setting of the weight detection part and the positioning component 70, the precise positioning and weight control of the plastic bags in the collection and sorting process are achieved, the collection and sorting effect of the plastic bags is guaranteed, and it also helps the smooth progress of the subsequent processes, and the overall automation level and production capacity of the production line are improved. In practical applications, this plastic bag collection device can be widely used in packaging production lines in industries such as food, medicine, and electronic products. It can not only increase packaging speed, but also ensure packaging quality and reduce production costs. It is an important part of modern automated production lines. Through the above-mentioned optimized design, the plastic bag collection device can better adapt to the needs of different industries and improve the flexibility and versatility of the production line.

[0086] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0087] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0088] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0089] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0090] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0091] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A plastic bag collecting device, characterized in that: The plastic bag collecting device is used to collect and organize plastic bags containing materials, and the plastic bag collecting device includes: A frame (10), the frame (10) having a loading space (11), and the material with the plastic bag is used to be installed in the loading space (11); A bag lifting mechanism (20) is movably arranged on the frame (10) along the height direction of the feeding space (11), and the adsorption portion (21) of the bag lifting mechanism (20) is arranged toward the feeding space (11), and the adsorption portion (21) of the bag lifting mechanism (20) is used to adsorb the plastic bag; A heat shrink mechanism (30) is movably arranged on the frame (10) along the height direction of the loading space (11); the heat shrink mechanism (30) comprises a first heat shrink portion (31) and a second heat shrink portion (32) which are arranged opposite to each other; the first heat shrink portion (31) and the second heat shrink portion (32) are arranged close to or far from each other; the heat shrink mechanism (30) has a heat shrink position for the first heat shrink portion (31) and the second heat shrink portion (32) to clamp the plastic bag; when the heat shrink mechanism (30) is at the heat shrink position, the clamped portion of the plastic bag is heat-shrunk and sealed; The bag pressing mechanism (40) is movably arranged above the feeding space (11) in the height direction, and the bag pressing part (41) of the bag pressing mechanism (40) is used to press the plastic bag after heat shrinkage.

2. The plastic bag storage device according to claim 1, characterized in that: The bag lifting mechanism (20) comprises a plurality of adsorption parts (21), and the plurality of adsorption parts (21) are arranged at intervals in the circumferential direction of the feeding space (11), and the plurality of adsorption parts (21) are movably arranged in a direction approaching or moving away from the feeding space (11).

3. The plastic bag storage device according to claim 1, characterized in that: The bag carrying mechanism (20) comprises: A main body (22), the main body (22) being movably arranged on the frame (10) along a height direction of the loading space (11); The mounting portion (23) is movably arranged on the main body (22) in a direction approaching or moving away from the feeding space (11), the mounting portion (23) has a mounting opening groove (231), the opening of the mounting opening groove (231) is arranged toward the feeding space (11), and the mounting opening groove (231) has a first mounting side wall (2311) and a second mounting side wall (2312) connected at a preset angle, and the adsorption portion (21) is installed on the first mounting side wall (2311) and / or the second mounting side wall (2312).

4. The plastic bag storage device according to claim 3, characterized in that: The frame (10) comprises a first longitudinal frame (12) and a second longitudinal frame (13) which are arranged opposite to each other and spaced apart, and the loading space (11) is located between the first longitudinal frame (12) and the second longitudinal frame (13); the main body (22) comprises: A first main board (221) is movably arranged on the first longitudinal frame (12) along the height direction of the loading space (11), and the first main board (221) is provided with at least two mounting portions (23) spaced apart along the extension direction of the first main board (221), and the moving directions of the at least two mounting portions (23) located on the first main board (221) are arranged at a first predetermined angle; The second main board (222) is movably arranged on the second longitudinal frame (13) along the height direction of the loading space (11), and the second main board (222) is provided with at least two mounting parts (23) spaced apart along the extension direction of the second main board (222), and the moving direction of at least two mounting parts (23) located on the second main board (222) is set at a second predetermined angle.

5. The plastic bag storage device according to claim 4, characterized in that: The first heat shrinkable portion (31) is movably arranged on the first longitudinal frame (12) along the height direction of the loading space (11), and the second heat shrinkable portion (32) is movably arranged on the second longitudinal frame (13) along the height direction of the loading space (11); and / or, The frame (10) further comprises a transverse frame (14), the two ends of which are respectively connected to the first longitudinal frame (12) and the second longitudinal frame (13), the transverse frame (14) is located on the top of the first longitudinal frame (12) and the second longitudinal frame (13), and the bag pressing mechanism (40) is movably arranged on the transverse frame (14) along the extension direction of the transverse frame (14).

6. The plastic bag storage device according to claim 1, characterized in that: The bag carrying mechanism (20) comprises: A main body (22) and a driving member (24), wherein the driving member (24) drives the main body (22) to be movably arranged on the frame (10) along the height direction of the loading space (11), the adsorption portion (21) is mounted on the main body (22), and the bag lifting mechanism (20) further comprises an adsorption matching portion, which is mounted on the main body (22) and is located above the adsorption portion (21); A position detection unit is arranged on the main body (22) and is arranged toward the loading space (11), and the position detection unit is located above the adsorption unit (21) and below the adsorption matching unit; The control member, the driving member (24), the position detection member, the adsorption member (21) and the adsorption matching member are all connected to the control member; when the position detection member changes from detecting a signal of an object to not detecting a signal of an object, the control member controls the adsorption member (21) and the adsorption matching member to perform adsorption; after the adsorption member (21) and the adsorption matching member have performed adsorption, when the position detection member changes from detecting a signal of an object to not detecting a signal of an object, the control member controls the driving member (24) to stop working and the adsorption matching member to stop adsorption.

7. The plastic bag storage device according to claim 6, characterized in that: The first heat shrinkable part (31) and the second heat shrinkable part (32) are movably arranged below the bag carrying mechanism (20); or, The height difference between the position detection part and the adsorption part (21) is greater than or equal to the heat shrink height of the first heat shrink part (31); along the height direction of the loading space (11), the first heat shrink part (31) and the second heat shrink part (32) are movably arranged between the adsorption part (21) and the position detection part.

8. The plastic bag storage device according to claim 1, characterized in that: The plastic bag collecting device also includes: A loading line (50) is arranged through the loading space (11), and a transport part of the loading line (50) is movably arranged to transport the material with the plastic bag; A material detection component is arranged on the feeding line (50) and located in the feeding space (11); A stopper (60) is movably arranged on the feeding line (50), and the stopper (60) has a stopper position protruding from the top of the transport part and a avoidance position avoiding the top of the transport part; A control component, the material detection component, the stop component (60) and the heat shrink mechanism (30) are all connected to the control component; when the material detection component detects that the material with the plastic bag has arrived at the feeding space (11), the control component controls the stop component (60) to move to the stop position; when the control component receives a heat shrink completion signal from the heat shrink mechanism (30), the control component controls the stop component (60) to move to the avoidance position.

9. The plastic bag collecting device according to claim 8, characterized in that: The plastic bag collecting device also includes: A weight detection component is arranged on the feeding line (50), the weight detection component is located in the feeding space (11), the weight detection component is used to detect the weight of the material with the plastic bag, and the weight detection component and the adsorption part (21) are both connected to the control component; Wherein, the control component controls the adsorption force of the adsorption part (21) according to the detected weight of the weight detection component, and makes the adsorption force of the adsorption part (21) less than or equal to the gravity of the material with the plastic bag; and / or, The control component determines whether the plastic bag containing the material is placed in the box according to the detected weight of the weight detection component.

10. The plastic bag storage device according to claim 8, characterized in that: The plastic bag collecting device also includes: a positioning assembly (70), the positioning assembly (70) being movably arranged to move to a positioning position for contacting a plastic bag containing materials or to a avoiding position for avoiding the plastic bag containing materials, the control member being connected to the positioning assembly (70); Wherein, when the stop member (60) is in the stop position, the control member controls the positioning assembly (70) to move to the positioning position; when the stop member (60) is in the avoidance position, the control member controls the positioning assembly (70) to move to the avoidance position.

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