CN111498154B

CN111498154B - Packaging system

Info

Publication number: CN111498154B
Application number: CN202010343079.3A
Authority: CN
Inventors: 龙技; 袁经凯; 杨志民; 杨南; 郑永华; 叶攀; 吕晓飞; 吴勇利
Original assignee: Hunan Dayong Intelligent Technology Co ltd
Current assignee: Hunan Dayong Intelligent Technology Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2022-04-15
Anticipated expiration: 2040-04-27
Also published as: CN111498154A

Abstract

The invention discloses a packaging system, which comprises a material arranging device and a stacking transfer device, wherein the material arranging device comprises a first conveyor belt, a second conveyor belt and a bag transfer mechanism, the bag transfer mechanism is arranged on a path of small bag materials falling from the first conveyor belt to the second conveyor belt, the bag transfer mechanism comprises a bag transfer plate, a bag transfer driving piece and a bag transfer supporting plate, a half swing period of the bag transfer plate corresponds to a time interval of two adjacent small bag materials falling from the first conveyor belt to the second conveyor belt, when two adjacent small bag materials are guided by two opposite surfaces of the bag transfer plate and fall on the second conveyor belt in a matching way, the directions of a bag head and a bag tail are opposite, the second conveyor belt conveys the small bag materials to a stacking station, the stacking transfer device comprises a supporting arm, stacking baskets arranged at two opposite ends of the supporting arm and a rotary driving piece for driving the supporting arm to rotate, the support arm rotates to switch the stacking baskets at the two ends between the stacking station and the bagging station.

Description

Packaging system

Technical Field

The invention relates to the technical field of packaging, in particular to a packaging system.

Background

In the packaging industry, in order to use, dispersed materials are often packaged in small bags, so that a user can use the small bags as a unit for storage and carrying; for the circulation transport convenience, often need pack into big wrapping bag with a plurality of small bags of a certain amount again, be equipped with the big material bag of the many bags of a certain amount of small bag material, it is all more convenient high-efficient when the circulation transports and purchases the transaction, the user of being convenient for guarantees the material use amount of a period.

In traditional production, need a large amount of workers to carry out material sorting count, the repacking in big wrapping bag, not only work efficiency is very low, appears counting error or the phenomenon of dress more, neglected loading moreover easily.

Disclosure of Invention

In order to solve the existing technical problem, the embodiment of the invention provides a packaging system capable of realizing full-automatic packaging operation.

In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:

a packaging system comprises a material arranging device and a stacking transfer device, wherein the material arranging device comprises a first conveyor belt, a second conveyor belt and a bag transferring mechanism, the second conveyor belt is positioned below the first conveyor belt and has a certain height difference with the first conveyor belt, the bag transferring mechanism is positioned between the first conveyor belt and the second conveyor belt and is positioned on a path where small bag materials fall from the first conveyor belt to the second conveyor belt, the bag transferring mechanism comprises a bag transferring plate, a bag transferring driving part and a bag transferring supporting plate, the bag transferring driving part drives the bag transferring plate to swing, the bag transferring supporting plate is arranged on the upstream of the second conveyor belt in the conveying direction and is matched with the bag transferring plate to transfer bags, a half swing period of the bag transferring plate corresponds to a time interval when two adjacent small bag materials fall from the first conveyor belt to the second conveyor belt, when two adjacent small bag materials fall from the first conveying belt to the second conveying belt, the orientations of a bag head and a bag tail are opposite when the two opposite surfaces of the bag rotating plates are guided and the bag rotating supporting plates are matched to fall on the second conveying belt, the small bag materials are conveyed to a stacking station by the second conveying belt, the stacking transfer device comprises a supporting arm, stacking baskets arranged at two opposite ends of the supporting arm and a rotary driving piece for driving the supporting arm to rotate, and the supporting arm rotates to switch the stacking baskets at two ends between the stacking station and a bagging station.

The stacking basket comprises a stacking space formed by enclosing a bottom plate and side plates, the stacking transfer device further comprises a material blocking mechanism which is arranged at the two opposite ends of the stacking space and is open, the material blocking mechanism comprises a material blocking plate and a material blocking driving piece for driving the material blocking plate to move, and the material blocking driving piece is used for driving the material blocking plate to be switched between a closed state for closing the openings at the two ends of the stacking space and an open state for opening the openings at the two ends of the stacking space.

The stacking basket further comprises a distance measuring sensor arranged in the stacking basket and a stacking driving piece used for driving the stacking basket to do telescopic motion, and the stacking driving piece drives the stacking basket to do telescopic motion to adjust the current height of the stacking basket according to the height of the materials in the stacking frame detected by the distance measuring sensor.

The stacking basket comprises a plurality of stacking spaces arranged in parallel, the stacking transfer device further comprises a bag shifting plate and a bag shifting driving piece, the bag shifting plate is arranged on the second transmission belt and drives the bag shifting plate to swing, the bag shifting driving piece drives the bag shifting plate to swing so as to switch small bags conveyed on the second transmission belt, and the small bags correspond to different stacking spaces respectively.

Wherein, packaging system is still including opening a bagging apparatus, open a bagging apparatus including opening a bag support, locating open first bag board and second on the bag support and open a bag board, drive first bag board and second open a bag board in first bag driving piece and the second of telescopic motion respectively on two directions of mutually perpendicular open bag board, before packing the target wrapping bag with the pouch material into, first bag driving piece drive first bag board and second open a bag board and stretch into the opening of the target wrapping bag of opening, the second opens a bag driving piece drive first bag board and second open a bag board and be in the direction motion of keeping away from each other is in with the tensioning in the target wrapping bag, first bag driving piece carries the tensioning the target wrapping bag move to with just right the bagging-off station.

The packaging system further comprises a bag opening device, the bag opening device comprises a slide rail, a first bag suction module and a second bag suction module, the first bag suction module moves between the bag taking station and the bag opening station along the slide rail, the second bag suction module is located at the bag opening station, the first bag suction module and the second bag suction module are opposite to each other up and down, and the first bag suction module and the second bag suction module respectively adsorb opposite two side faces of the target packaging bag and move back to open the target packaging bag.

The packaging system further comprises a bag storage device located at the bag taking station, the bag storage device comprises a guide rail and bag storage boxes arranged on the guide rail in parallel, the bag storage boxes can slide along the guide rail, one of the bag storage boxes is located at the bag taking station to enable the first bag suction module to suck the packaging bags, and the other bag storage box is located at one side of the bag taking station to enable the first bag suction module to suck the packaging bags, and is in a preparation state for adding the packaging bags.

The packaging system further comprises a bag closing device, the bag closing device comprises a bag closing rod and a bag driving piece, the bag closing rod rotates to close the bag driving piece, when the bag is closed, the bag closing driving piece drives the bag closing rod to move back to back and stretch into the target packaging bag, the tail end of the bag closing rod is abutted to the inner surface of the opening of the target packaging bag and used for tensioning the opening plate of the target packaging bag to withdraw from the target packaging bag, the bag closing driving piece drives the bag closing rod to continue to move back to back and stretch the target packaging bag until the opening is closed.

Wherein, packaging system is still including drawing bagging apparatus and closing device, draw the clamping part and the drive at the relative both ends of bagging apparatus target wrapping bag after being used for the centre gripping to close each other or keep away from each other draw a bag driving piece, closing device includes upper and lower sealer and drive upper and lower sealer is close to each other or keeps away from the drive piece that seals of motion each other, when closing the bag operation, the clamping part centre gripping respectively the relative both sides of the open end of target wrapping bag, seal the drive piece drive upper and lower sealer moves in opposite directions, will the open end pressure of target wrapping bag realizes sealedly between the upper and lower sealer.

The packaging system further comprises a pressing device and a pushing device, the pressing device comprises a pressing plate located right above the stacking basket and a pressing cylinder driving the pressing plate to move in a telescopic mode, when the stacking basket containing small bag materials moves to a bagging station, the pressing device presses the small bag materials in the stacking basket through the pressing plate, and then the small bag materials are pushed out of the stacking basket through the pushing device.

The packaging system provided by the embodiment has the advantages that in the automatic packaging operation of loading small bag packaged materials into a target packaging bag with a larger size, the small bag materials filled with the materials are arranged in a mode that the bag heads and the bag tails are staggered through the material arranging device and then are conveyed to the stacking station, the small bag materials can be stacked and stacked in the stacking basket in a mode that the bag heads and the bag tails are alternately placed, the stacking basket located in the stacking station and the bagging station is switched through the stacking transfer device, and the key links of stacking and conveying the small bag packaged materials in the automatic packaging process are completed through the reciprocating circulation, so that the production efficiency and the production quality are greatly improved.

Drawings

FIG. 1 is a schematic diagram of a packaging system according to an embodiment of the present application;

FIG. 2 is an exploded view of the packaging system in one embodiment of the present application;

FIG. 3 is a schematic structural diagram of a material sorting apparatus according to an embodiment;

FIG. 4 is a schematic structural diagram of another working state of the material sorting device;

FIG. 5 is a schematic diagram of the pallet transfer apparatus in one embodiment;

FIG. 6 is a schematic structural view of a pressing device and a pushing device in one embodiment;

FIG. 7 is a schematic diagram of the structure of a bag storage device and a bag opening device in one embodiment;

fig. 8 is a schematic structural diagram of another working state of the bag storing device and the bag opening device in one embodiment.

FIG. 9 is a schematic structural diagram illustrating still another operating state of the bag storage device and the bag opener according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of a bag opening device and a bag opening device in one embodiment;

FIG. 11 is a schematic structural diagram illustrating another operation state of the bag opener and the bag opener according to an embodiment;

FIG. 12 is a schematic structural diagram of a bag opening device according to an embodiment;

FIG. 13 is a flow diagram of a method of bagging by the bagging mechanism in one embodiment;

FIG. 14 is a schematic diagram of the bagging mechanism in one embodiment;

FIG. 15 is a schematic structural diagram of a bag opening device and a bag closing device according to an embodiment;

FIG. 16 is an enlarged view of a portion of the bag closure apparatus;

FIG. 17 is a schematic view of the structure of a bagging mechanism in another embodiment;

FIG. 18 is a schematic view showing another operation state of the bagging mechanism in another embodiment;

FIG. 19 is a flow diagram illustrating a method for closing a bag by the bag filling mechanism in one embodiment;

fig. 20 is a schematic flow chart of the packaging operation performed by the material packaging system in the embodiment of the present application.

Detailed Description

The technical scheme of the invention is further elaborated by combining the drawings and the specific embodiments in the specification. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the following description, reference is made to the expression "some embodiments" which describe a subset of all possible embodiments, but it should be understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.

Fig. 1 and fig. 2 are schematic structural diagrams of a material packaging system according to an embodiment of the present invention, which includes a material sorting device 10, a stacking and transferring device 20, a material pushing device 31, a material pressing device 33, a bag storing device 40, a bag opening device 50, a bag opening device 60, a bag closing device 70, a bag pulling device 80, and a sealing device 90.

Referring to fig. 3 and 4, the material collating device 10 includes a first conveyor belt 11, a second conveyor belt 12 located below the first conveyor belt 11 and having a height difference with the first conveyor belt 11, and a bag transferring mechanism 15 located between the first conveyor belt 11 and the second conveyor belt 12, the bag transfer mechanism 15 is arranged between the first conveyor belt 11 and the second conveyor belt 12 and is located on a path of the pouch material 18 falling from the first conveyor belt 11 to the second conveyor belt 12, the bag transferring mechanism 15 comprises a bag transferring plate 151, a bag transferring driving member 152 for driving the bag transferring plate 151 to swing, and a bag transferring supporting plate 153 arranged at the upstream of the conveying direction of the second conveyor belt 12 and matched with the bag transferring plate 151 to transfer bags, the half swing period of the bag rotating plate 151 corresponds to the time interval between two adjacent small bags of materials 18 falling from the first conveyor belt 11 to the second conveyor belt 12. Generally, after a small package is filled with materials, the bag is raised at one end and flattened at the other end, and for the convenience of description, the flattened end is defined as the bag head and the raised end is defined as the bag tail. When two adjacent small bag materials 18 fall from the first conveyor belt 11 to the second conveyor belt 12, the bag heads and the bag tails are oppositely oriented when the two opposite surfaces of the bag rotating plate 151 guide and the bag rotating support plate 153 are matched to fall on the second conveyor belt 12, and the second conveyor belt 12 conveys the small bag materials 18 to the stacking station 14.

The first conveyor belt 11 conveys the material to be packaged to the direction of the second conveyor belt 12, the bag rotating plate 151 is located between the tail end of the first conveyor belt 11 and the second conveyor belt 12, the material to be packaged is conveyed by the first conveyor belt 11, falls onto the bag rotating plate 151 from the tail end of the first conveyor belt 11, falls onto the second conveyor belt 12 along the surface of the bag rotating plate 151, and is conveyed to the stacking station 14 by the second conveyor belt 12. The bag-turning driving member 152 may be a speed-reducing motor or a swing cylinder, and the bag-turning driving member 152 drives the bag-turning plate 151 to swing back and forth along the conveying direction of the conveyor belt, and the bag-turning plate 151 includes a first surface 150 and a second surface 154 opposite to the first surface 150. When the bag-rotating plate 151 swings back and forth under the driving of the bag-rotating driving member 152, at least the first surface 150 and the second surface 154 of the bag-rotating plate 151 can be ensured to respectively face the end of the first conveyor belt 11 in one swing period of the bag-rotating plate 151, that is, the bag-rotating plate 151 includes a half swing period in which the first surface 150 faces the bag material 18 dropped from the end of the first conveyor belt and a half swing period in which the second surface 154 faces the bag material 18 dropped from the end of the first conveyor belt during the swing. The half swing period of the bag rotating plate 151 is consistent with the interval time of two adjacent small bag materials 18 falling from the first conveyor belt 11, each small bag material 18 contacts the bag rotating plate 151 in the process of falling from the first conveyor belt 11 to the second conveyor belt 12, and the swing positions of the bag rotating plate 151 are different when the two adjacent small bag materials 18 contact the bag rotating plate 151, so that the two small bag materials fall onto the first surface 150 and the second surface 154 of the bag rotating plate 151 respectively, and thus when the two adjacent small bag materials 18 fall from the first surface 150 and the second surface 154 of the bag rotating plate 151 to the second conveyor belt 12 and are conveyed on the second conveyor belt 12, the bag heads and the bag tails face oppositely. Therefore, the small bags can be conveniently stacked in the stacking basket 21 in a mode that the bag heads and the bag tails are alternately arranged, namely, the bag head of each small bag is overlapped with the bag tail of the adjacent small bag, and the bag tail is overlapped with the bag head of the adjacent small bag.

Taking fig. 3 as an example, in the first half of the swing period of the bag rotating plate 151, the first surface 150 of the bag rotating plate 151 faces the end of the first conveyor belt 11, under the guiding action of the bag rotating plate 151, the bag tail moves below the second conveyor belt 12 and is overlapped on the bag rotating support plate 153 under the guiding action of the first surface 150 of the bag rotating plate 151, at this time, the bag rotating plate 151 rotates in the reverse direction, the bag head slowly approaches the second conveyor belt 12 and finally contacts with the second conveyor belt 12, the second conveyor belt 12 drives the bag material 18 to be conveyed forward, the bag head is in the front, the bag tail is in the back, the bag rotating support plate 153 is arranged to prevent the bag tail of the bag material 18 from contacting with the second conveyor belt 12 and moving with the second conveyor belt 12, so that the bag tail of the bag material 18 is in the front or irregularly arranged, but the bag head of the bag material 18 first contacts with the second conveyor belt 12 and moves with the second conveyor belt 12, thus, the bag head is arranged in front, and the bag tail is arranged in back, and the bag heads and the bag tails are arranged regularly. In the second half of the swing period of the bag rotating plate 151, the bag rotating plate 151 continues to rotate to the position shown in fig. 4, the second surface 154 of the bag rotating plate 151 faces the end of the first conveyor belt 11, under the guiding action of the bag rotating plate 151, the bag tail of the small bag material 18 moves to the lower side of the second conveyor belt 12 and contacts with the surface of the second conveyor belt 12 under the guiding action of the second surface 154 of the bag rotating plate 151, the second conveyor belt 12 drives the small bag material 18 to convey forwards, the bag tail is in front, and the bag head is in back. Thus, one wobbling period is completed.

Referring to fig. 5, the pallet transferring apparatus 20 includes a supporting arm 27, pallet baskets 21 disposed at opposite ends of the supporting arm 27, and a rotary driving member 28 for driving the supporting arm 27 to rotate, wherein the supporting arm 27 rotates to switch the pallet baskets 21 at the opposite ends between the pallet station 14 and the bagging station 13. Wherein a palletization station 14 is provided at the end of the second conveyor belt 12. The rotary driving member 28 can be a speed reduction motor, one end of each of the two supporting arms 27 is connected with an output shaft of the speed reduction motor, the other end of each of the two supporting arms 27 is connected with the stacking basket 21, two ends of each of the two supporting arms 27 are respectively a stacking station 14 and a bagging station 13, and the position of the stacking basket 21 is switched once by driving the supporting arms 27 to rotate 180 degrees through the rotary driving member 28. The stack basket 21 includes that the pile up neatly space of establishing the formation is enclosed by bottom plate and curb plate, pile up neatly transfer device 20 is still including locating the relative both ends open-ended stock stop 24 in pile up neatly space, the stock stop 24 includes stock stop 241 and drive the stock stop driving piece 242 that the stock stop 241 removed, the stock stop driving piece 242 is used for driving the stock stop 241 is in sealing the open-ended closed condition at the both ends in pile up neatly space and opens switch between the open-ended open condition at the both ends in pile up neatly space. This keeps off material driving piece 242 can be the fender material cylinder, and the fender material cylinder reciprocates through drive striker plate 241 to open or close the opening at the relative both ends of pile up neatly space. The pallet basket 21 further comprises a distance measuring sensor 22 arranged in the pallet basket 21 and a pallet driving piece 25 used for driving the pallet basket 21 to do telescopic movement, and the pallet driving piece 25 drives the pallet basket 21 to do telescopic movement to adjust the current height of the pallet basket according to the fact that the distance measuring sensor 22 detects the height of materials in the pallet frame. The stacking driving part 25 can be an electric sliding table, the stacking basket 21 is driven to move up and down through the electric sliding table, the height of the whole stacking basket 21 relative to the position of the second conveying belt 12 can be adjusted within a proper range, when the distance measuring sensor 22 detects that the small bag materials 18 are stacked in the stacking space of the stacking basket 21 to a certain height, the stacking driving part 25 moves in a telescopic mode to adjust the height of the stacking basket 21, the small bag materials 18 output from the tail end of the second conveying belt 12 can be enabled to be stacked smoothly and stacked in the stacking basket 21, and the stacking basket 21 completed by the stacking transfer device 20 is transferred to the bagging station 13 until stacking is completed, so that the operation is repeated.

Optionally, one or more palletising baskets 21 may be provided at each end of the support arm 27, in this embodiment, each end of the support arm 27 includes two palletising baskets 21 arranged side by side. The material arranging device 10 further comprises a bag shifting plate 121 arranged on the second conveyor belt 12 and a bag shifting driving member 122 for driving the bag shifting plate 121 to swing, wherein the bag shifting driving member 122 drives the bag shifting plate 121 to swing so as to switch small bags of materials 18 conveyed on the second conveyor belt 12 to correspond to different stacking spaces respectively. The bag shifting driving member 122 can be a swinging cylinder, and drives the bag shifting plate 121 to swing through the swinging cylinder to control a channel on the second conveyor belt 12 through which the small bag materials 18 can pass, so as to adjust the small bag materials 18 passing through the second conveyor belt 12 to correspond to the designated pallet basket 21 located at the pallet station 14 respectively. The material collating device 10 may further include shielding plates disposed on both sides of the first conveyor belt 11 and the second conveyor belt 12, respectively, to prevent the pouch material 18 from falling during conveyance. In an alternative embodiment, position sensors may be disposed in front of the bag rotating plate 151 and the bag pulling plate 121 along the conveying direction of the small bags of materials 18 to sense the time when the small bags of materials 18 reach the bag rotating plate 151 and the bag pulling plate 121, so as to facilitate more precise control of the actions of the bag rotating plate 151 and the bag pulling plate 121.

Referring to fig. 6, the pressing device 33 is disposed above the bagging station 13, the pressing device 33 includes a pressing plate 333 located right above the stacking basket 21 and a pressing driving member 331 for driving the pressing plate 333 to move in an extending manner, and when the stacking basket 21 containing the material to be packaged moves to the bagging station 13, the pressing device 33 presses the material to be packaged in the stacking basket 21 through the pressing plate 333. The size of the pressure plate 333 is slightly smaller than the horizontal cross-sectional dimension of the pallet basket 21, or substantially the same as the horizontal cross-sectional dimension of the pallet basket 21. The material pressing driving part 331 can be a material pressing cylinder, the material pressing cylinder is connected with the material pressing plate 333, the material pressing plate 333 is driven to move along the vertical direction perpendicular to the moving direction of the stacking basket 21 through the telescopic motion of the material pressing cylinder, when the stacking basket 21 for stacking materials to be packaged moves to the bagging station 13, the material pressing device 33 drives the material pressing plate 333 to move towards the stacking basket 21 through the material pressing cylinder, and the materials to be packaged stacked in the stacking basket 21 located at the bagging station 13 are compressed.

The pushing device 31 is arranged on one side of the bagging station 13. The material blocking cylinder drives the material blocking plate 241 to move downwards to open the openings at the two ends of the stacking space, and the material pushing device 31 comprises a material pushing plate 313 facing the stacking basket 21 from the first opening at one end of the stacking space and a material pushing driving piece 311 driving the material pushing plate 313 to move in a telescopic mode. The pushing driving member 311 may be a pushing cylinder, and when the stacking basket 21 accommodating the material to be packaged moves to the bagging station 13, the pressing device 33 drives the pressing plate 333 to move towards the stacking basket 21 through the pressing cylinder, so as to compress the material to be packaged stacked in the stacking basket 21, and the pushing device 31 drives the pushing plate 313 to push the material to be packaged in the stacking basket 21 out of the second opening at the other end through the pushing cylinder. Optionally, the size of the material pushing plate 313 is slightly smaller than the opening of the stacking basket 21, and when the material pushing plate 313 performs telescopic movement to push materials, the material pushing plate 313 can smoothly extend into the stacking basket 21, so as to apply a more stable acting force to the materials to be packaged in the stacking basket 21. The second opening of the stacking basket 21 at the bagging station 13 corresponds to the inlet of the material guide channel 68, and the material pushing device 31 pushes the material in the stacking basket 21 out of the second opening to the material guide channel 68, and further pushes the material along the material guide channel 68 to drop into a tensioned packaging bag from the outlet of the material guide channel 68.

In some embodiments, the number of the materials to be packaged pushed by a single bagging operation can be designed according to actual needs, and the number of the pressing devices 33 and the pushing devices 31 can be set to be multiple. Taking two as an example, the material pressing device 33 includes two sets of material pressing cylinders and material pressing plates 333 arranged in parallel, the material to be packaged in the two stacking baskets 21 of the bagging station 13 can be simultaneously pressed by a single operation, and the material pushing device 31 also includes two sets of material pushing cylinders and material pushing plates 313 arranged in parallel, so that the material to be packaged in the two stacking baskets 21 of the bagging station 13 can be simultaneously pushed into the material guiding channel 68 and then enter the packaging bag by a single operation.

Based on the packaging system comprising the material arranging device 10, the stacking transfer device 20, the pressing device 33 and the pushing device 31, the method for realizing material stacking by the packaging system is further provided, and the method comprises the following steps:

the small bag materials 18 are input by the first conveyor belt 11, and under the action of the bag rotating plate 151, the two adjacent small bag materials 18 are conveyed forwards in the front-back reverse direction;

the small bag materials 18 enter one of the stacking baskets 21 at the stacking station 14, and when the same stacking basket 21 continuously enters two small bag materials 18 with opposite bag head and bag tail directions, the bag shifting plate 121 swings to enable the next two small bag materials 18 with opposite bag head and bag tail directions to enter the other adjacent stacking basket 21.

The pallet driving member 25 drives the pallet basket 21 to descend by a certain height according to the height of the stacked small bags of materials 18 in the pallet space detected by the distance measuring sensor 22, so that a certain height difference is kept between the second conveyor belt 12 and the pallet basket 21, and the small bags of materials 18 can be guaranteed to smoothly slide into the pallet basket 21.

The foregoing steps are repeated until a designated amount of pouch material 18 is palletized within the palletizing basket 21.

The striker driving member 242 drives the striker plate 241 on the outer side to block the openings at both ends of the pallet basket 21.

The rotary drive 28 drives the pallet basket 21 to rotate from the palletizing station 14 to the bagging station 13 via the support arm 27.

The material pressing device 33 drives the material pressing plate 333 through the material pressing cylinder to press the material to be packaged in the stacking basket 21 at the bagging station 13.

The striker driving pieces 242 located at the openings at both ends of the pallet basket 21 are simultaneously retracted to drive the striker plate 241 to open the openings.

The pushing device 31 pushes the materials to be packaged which are compressed in the stacking basket 21 at the bagging station 13 to enter a target packaging bag.

The striker driving member 242 located inside the pallet basket 21 is extended to block the opening inside the pallet basket 21, and at the same time, the pallet driving member 25 drives the pallet basket 21 to rise to the initial position.

The rotary drive 28 drives the pallet basket 21 via the support arm 27 from the bagging station 13 to the palletizing station 14 to begin the next work cycle.

The stacking basket 21 comprises two groups symmetrically arranged at two ends of the supporting arm 27, one of the two groups is located at the stacking station 14, the other group is located at the bagging station 13, so that the stacking operation and the bagging operation can be continuously operated without stopping, and the packaging process is very smooth. The material arranging device 10 arranges the small bag materials 18 regularly and sequentially conveys the small bag materials to a stacking basket 21 of a stacking transfer device 20 at a stacking station 14. The stacking transfer device 20 regularly stacks the small bags of materials 18 conveyed by the material arranging device 10 at the stacking station 14 in the stacking basket 21 and transfers the small bags of materials to the bagging station 13.

Referring to fig. 7 to 9, the bag storing device 40 is used for storing the packaging bags to provide the packaging bags in the process of performing the packaging operation on the material to be packaged. The bag storage device 40 comprises a guide rail 41 and bag storage boxes 42 arranged on the guide rail 41 in parallel, and the bag storage boxes 42 can slide along the guide rail 41. The bag storage device 40 can ensure that one of the bag storage boxes 42 is located at the bag taking station through the two bag storage boxes 42 arranged in parallel, the bag storage box 42 located at the bag taking station is in a working state capable of allowing the bag opening device 50 to absorb the packaging bags, the other bag storage box is located on one side of the bag taking station, the bag storage box 42 located on one side of the bag taking station is in a preparation state capable of allowing the packaging bags to be added, and the positions of the two bag storage boxes 42 can be switched with each other so as to realize adding the packaging bags without stopping. The bag storage box 42 comprises a bag pressing plate 43 at one end, the bag pressing plate 43 is rotatably arranged relative to the bag storage box 42, and the bag pressing plate 43 comprises a pressing state abutting against the surface of the uppermost packaging bag stored in the bag storage box 42 and an opening state protruding out of the bag storage box 42. When the packaging bag is stored in the bag storage box 42, the opening end of the stored packaging bag faces to the end away from the bag pressing plate 43, and the end of the bag pressing plate 43 abuts against the end of the seal of the packaging bag in the pressed state. Optionally, the bag storage device 40 further includes a power element for driving the bag storage box 42 to slide along the guide rail 41, and the power element drives the bag storage box 42 to switch between the working state and the preparation state. The power element may be an air cylinder, when the bag storage device 40 operates, the bag storage box 42 storing the packaging bags is located at the bag taking station, and the bag pressing plate 43 of the bag storage box 42 is in a pressing state, when the bag opening device 50 sucks the packaging bags from the bag storage box 42 at the bag taking station, the bag opening device 50 can be ensured to only suck the packaging bags located at the top of the bag storage box 42 under the pressing action force of the bag pressing plate 43, the lower packaging bags are not taken out together, so that the packaging bags in the bag storage box 42 are scattered to cause automatic operation errors, and one side of the other bag storage box 42 located at the bag taking station is in a preparation state, at this time, the bag pressing plate 43 of the other bag storage box 42 can be rotated to an opening state, and the bag pressing plate 43 is rotated to a pressing state after the packaging bags are added into the other bag storage box 42; when the packaging bags in the bag storage box 42 at the bag taking station are used up, the air cylinder can push the two bag storage boxes 42 to move along the guide rail 41, the other bag storage box 42 filled with the packaging bags is moved to the bag taking station, the bag storage box 42 with the used packaging bags is moved to one side of the bag taking station to add and supplement the packaging bags, and the operation is repeated, so that the packaging bags are added without stopping.

The bag opening device 50 is used for sucking the target packaging bag from the bag taking station and then conveying the target packaging bag to the bag opening station, and the opening of the target packaging bag is opened at the bag opening station, so that the material to be packaged is filled into the opened target packaging bag in the subsequent packaging operation. The bag opening device 50 comprises a slide rail 51, a first bag suction module 52 and a second bag suction module 53, wherein the first bag suction module 52 can move between a bag taking station and a bag opening station along the slide rail 51, the second bag suction module 53 is positioned at the bag opening station, the bag storage device 40 is arranged at the bag taking station, the first bag suction module 52 sucks a target packaging bag from the bag storage device 40 and then moves to the bag opening station, the first bag suction module 52 is opposite to the second bag suction module 53 up and down at the bag opening station and is respectively positioned at two opposite sides of the target packaging bag, and the first bag suction module 52 and the second bag suction module 53 respectively suck two opposite sides of the target packaging bag and then move back and forth to open the target packaging bag. The bag storage device 40 and the bag opening device 50 are both located on the opposite side of the stacking basket 21 where the pushing device 31 is located, an opening at one end of the stacking basket 21 at the bagging station 13 is aligned with the pushing device 31, and an opening at the other end of the stacking basket is approximately aligned with the bag opening station through the material guide channel 68.

The slide rail 51 may be an electric slide table connected between the bag taking station and the bag opening station. The first suction bag module 52 is mounted on the slide rail 51. The first bag suction module 52 and the second bag suction module 53 respectively comprise a suction nozzle and a bag suction driving member for driving the suction nozzle to move telescopically. Optionally, inhale the bag driving piece and inhale the bag cylinder including the one-level that connects gradually bag cylinder and second grade, inhale the bag cylinder and inhale the bag cylinder through the one-level and can realize the flexible regulation of second grade to the suction nozzle to satisfy the regulation under the different operating condition of settlement. The first bag suction module 52 and the second bag suction module 53 have the same structure, and when the first bag suction module 52 moves to the bag opening station along the slide rail 51, the first bag suction module 52 and the second bag suction module 53 are opposite up and down along the vertical direction and are respectively located on the upper side and the lower side of the target packaging bag. The suction nozzles of the first bag suction module 52 and the second bag suction module 53 can be one or more, and the first-stage bag suction cylinder and the second-stage bag suction cylinder can be one cylinder or a plurality of cylinders arranged in parallel. In the embodiment of the application, when the first bag suction module 52 moves to the bag opening station along the slide rail 51, the first bag suction module 52 is located above the target packaging bag and is called as an upper bag suction module; the second suction bag module 53 is located below the target packing bag, and is referred to as a lower suction bag module. The suction nozzles of the upper suction bag module comprise a plurality of suction nozzles which are called an upper suction bag suction nozzle group 520, the suction bag driving piece of the upper suction bag module comprises an upper suction bag primary cylinder group 521 and an upper suction bag secondary cylinder group 522 which push the upper suction bag suction nozzle group 520 to move up and down, the upper suction bag primary cylinder group 521 and the upper suction bag secondary cylinder group 522 respectively comprise two cylinders which are arranged in parallel, and the stability in the process of driving the upper suction bag suction nozzle group 520 to move telescopically can be improved; the suction nozzles of the lower suction bag module correspondingly comprise a plurality of suction nozzles which are called as a lower suction bag suction nozzle group 530, the suction bag driving piece of the lower suction bag module comprises a lower suction bag primary air cylinder group 531 and a lower suction bag secondary air cylinder group 532 which push the lower suction bag suction nozzle group 530 to move up and down, the lower suction bag primary air cylinder group 531 and the lower suction bag secondary air cylinder group 532 respectively comprise two cylinders which are arranged in parallel, and the stability in the process of driving the lower suction bag suction nozzle group 530 to move telescopically can be improved.

In the operation process of sucking and opening the packaging bag by the bag opening device 50, firstly, the bag opening device 50 is in an initial state, as shown in fig. 7, the upper suction bag module is located above the bag taking station, the first-stage cylinder group and the second-stage cylinder group of the upper suction bag module and the lower suction bag module are both in a retracted state, the first-stage cylinder group and the second-stage cylinder group of the upper suction bag module both extend out, the upper suction bag nozzle group 520 is driven to enter the bag storage box 42 to suck the uppermost target packaging bag in the bag storage box 42, and the first-stage cylinder group and the second-stage cylinder group of the upper suction bag module both retract to drive the upper suction bag nozzle group 520 to pull the sucked target packaging bag out of the bag storage box 42. Next, as shown in fig. 8, the upper suction bag module carries the sucked target packaging bag to move along the slide rail 51 to the bag opening station, the upper suction bag module is vertically opposite to the lower suction bag module, the first-stage cylinder group and the second-stage cylinder group of the upper suction bag module and the lower suction bag module are both extended, and the suction nozzle groups of the upper suction bag module and the lower suction bag module respectively act on the surfaces of the upper side and the lower side of the opening end of the target packaging bag to prepare for bag opening. Again, as shown in fig. 9, the primary cylinder sets of the upper bag-sucking module and the lower bag-sucking module are retracted to drive the nozzle sets of the upper bag-sucking module and the lower bag-sucking module to open the open end of the packaging bag, so as to open the packaging bag, and prepare for tensioning the packaging bag by the bag-opening device 60 in the next step.

Referring to fig. 10 to 12, the bag opening device 60 is used to stretch and tension the target packaging bag with the opened opening and pull the target packaging bag to the outlet of the material guiding channel 68, so that the material to be packaged can smoothly enter the target packaging bag when being pushed out from the material guiding channel 68, and the accuracy of the automatic packaging operation is not affected by scattering. Open bagging apparatus 60 including open a bag support 61, locate open first bag board 62 and second on bag support 61 and open bag board 63, drive first bag board 62 and second open bag board 63 along the first bag driving piece and the drive of the opening direction removal of target wrapping bag first bag board 62 and second open bag board 63 along the second of the opening direction removal of perpendicular target wrapping bag and open bag driving piece, with before the target wrapping bag is packed into to the material, first bag driving piece drive first bag board 62 and second open in bag board 63 stretches into the opening of the target wrapping bag of opening, the second opens bag driving piece drive first bag board 62 and second open bag board 63 is in the inside of target wrapping bag is in the direction back-to-back motion of keeping away from each other with the tensioning target wrapping bag. The bag opening bracket 61 is arranged between the bag opening device 50 and the stacking and transferring device 20, and the position of the bag opening bracket 61 is located between the upper bag suction module and the lower bag suction module of the bag opening device 50 in the vertical direction.

The bag holder 61 is substantially rectangular as a whole, and includes vertical fixing members 611 provided at opposite sides of the target packaging bag, respectively, and a lateral fixing member 610 connected between both ends of the vertical fixing members 611. The second bag opening driving member comprises an upper bag opening driving member and a lower bag opening driving member which are respectively connected with the first bag opening plate 62 and the second bag opening plate 63 and the transverse fixing member 610 of the bag opening bracket 61. In this embodiment, the bag ascending driving member and the bag descending driving member are an bag ascending cylinder 621 and a bag descending cylinder 631, respectively. The first bag plate 62 and the second bag plate 63 are parallel to each other, each bag plate extends from the bag support 61 to the direction in which the bag taking station is arranged, the material guide channel 68 is positioned at the opposite side of the bag support 61 to the bag plate, and the material guide channel 68 is approximately aligned with the first bag plate 62 and the second bag plate 63 after tensioning the target packaging bag. An inlet of the material guiding channel 68 at one end far away from the bag opening bracket 61 is communicated with an opening at one side of the pallet basket 21 at the bagging station 13, and an outlet of the material guiding channel 68 at one end near the bag opening bracket 61 is communicated with a space defined after the first bag opening plate 62 and the second bag opening plate 63 tension the packaging bags. First bag driving piece includes opens a bag cylinder 641 and a second grade that connects gradually with opening a bag board and opens a bag cylinder 642, when first bag driving piece extension, drive first bag board 62 and second open a bag board 63 and stretch into in the target wrapping bag, during first bag driving piece one-level retraction, the drive first bag board 62 and second open a bag board 63 and carry the tensioning the target wrapping bag retract to with the export of guide passageway 68 is aligned, when first bag driving piece second grade retraction, open a bag board 63 with first bag board 62 and second and retract to accept the initial condition in conducting passageway 68. The first bag driving piece is provided with two-stage adjustment, so that more adjusting spaces can be conveniently provided for the telescopic movement of the bag opening plate.

Optionally, the bag opening device 60 further includes an optical axis guide rail 67 disposed at the top end of the bag opening support 61, and when the first bag driving member drives the bag opening support 61 to drive the first bag plate 62 and the second bag plate 63 to perform telescopic motion, the bag opening support 61 moves more stably and smoothly along the optical axis guide rail 67.

When the bag opening device 60 performs bag opening, first, after the bag opening device 50 opens the opening of the target packaging bag through the upper suction bag module and the lower suction bag module, the first bag driving member is extended, and the first bag plate 62 and the second bag plate 63 are pushed by the bag opening bracket 61 to extend into the opened target packaging bag. Secondly, the bag-opening cylinder 621 and the bag-opening cylinder 631 retract to drive the first bag plate 62 and the second bag plate 63 to move away from each other, so as to tension the opened target packaging bag; at this time, the secondary cylinder groups in the upper bag suction module and the lower bag suction module of the bag opening device 50 are both retracted to provide a space required for tensioning the target packaging bag, so as to avoid interference and save space, so that the overall structure of the packaging system is more compact, and the upper bag suction module can be retracted to the initial position of the bag taking station along the slide rail 51. Then, the first-stage bag opening cylinder 641 in the first bag driving member retracts, and the bag opening bracket 61 drives the first bag opening plate 62 and the second bag opening plate 63 to move towards the direction of the material guide channel 68, so that the tensioned target packaging bag is pulled to the outlet of the material guide channel 68, namely, to the bag sealing station, so that the material pushing device 31 pushes out the material to be packaged, which is compressed in the stacking basket 21 of the bagging station 13, to perform bagging.

On one hand, based on the bag opening device 50, the bag opening device 60, the stacking transfer device 20, the material arranging device 10, the pressing device 33 and the material pushing device 31, which collectively form a bag loading mechanism, an embodiment of the present application also provides a method for loading bags by the bag loading mechanism, please refer to fig. 13, which includes the following steps:

step S101, after a target packaging bag is sucked from a bag taking station by a bag opening device 50 through a first bag sucking module 52, the target packaging bag moves to a bag opening station along a slide rail 51, and the first bag sucking module 52 and a second bag sucking module 53 located at the bag opening station respectively suck two opposite side surfaces of the target packaging bag and move back and forth to open the target packaging bag;

step S102, the bag opening device 60 drives the first bag opening plate 62 and the second bag opening plate 63 to extend and move along the opening direction of the target packaging bag through the first bag opening driving piece, and the first bag opening plate and the second bag opening plate extend into the opened target packaging bag;

step S103, the bag opening device 60 drives the first bag plate 62 and the second bag plate 63 to move back and forth along a direction perpendicular to the opening direction of the target packaging bag through the second bag opening driving member, so as to tension the target packaging bag; then the first bag-opening driving piece drives the first bag-opening plate 62 and the second bag-opening plate 63 to retract to the opening close to one end of the material-guiding channel 68;

step S104, the material arranging device 10 conveys the materials to be packaged to the stacking station 14, and the stacking transfer device 20 transfers the stacking basket 21 for stacking the materials to be packaged to the bagging station 13;

in step S105, the pushing device 31 drives the pushing plate 313 to move telescopically opposite to the opening of the stacking basket 21 through the pushing driving member 311, so as to push the material to be packaged in the stacking basket 21 out to enter the target packaging bag through the material guiding channel 68, and continue to advance through the area between the first bag opening plate 62 and the second bag opening plate 63 to enter the target packaging bag.

Further, before the pushing device 31 drives the pushing plate 313 to move telescopically opposite to the opening of the stacking basket 21 through the pushing driving element 311, the method further includes:

the pressing device 33 drives the pressing plate 333 to press the material to be packaged downwards from the right above the stacking basket 21 through the pressing driving member 331.

Further, the bag opening device 60 drives the first bag plate 62 and the second bag plate 63 to move back and forth along a direction perpendicular to the opening direction of the target packaging bag through the second bag opening driving member, so as to tension the target packaging bag, and simultaneously includes:

the bag suction driving members in the first and second

bag suction modules

52 and 53 are retracted to provide a space for tensioning the target packaging bag;

the first bag suction module 52 moves along the slide rail 51 to be taken back to the bag taking station.

This bagging-off mechanism is earlier in stretching into the opening of target wrapping bag through first bag board 62 of a bag driving piece drive and second bag board 63, the rethread second is opened a bag driving piece drive first bag board 62 and second and is opened a bag board 63 back of the body motion with the tensioning target wrapping bag, open the target wrapping bag behind the opening and carry out the tensioning through first bag board 62 and second, be convenient for follow-up direct through in the target wrapping bag that blevile of push 31 promoted the entering with appointed quantity's pouch material 18, realize automatic packing operation, improve production efficiency and rate of accuracy by a wide margin through automatic operation.

Referring to fig. 14 to 16, the bag closing device 70 is used for closing the opening of the target packaging bag containing the material to be packaged. This close bagging apparatus 70 locates into bag and seals station department, including setting up respectively in two sets of bag driving piece 71 and the bag pole 72 of closing of the relative both sides of target wrapping bag, when closing the open end of wrapping bag, close bag driving piece 71 drive close bag pole 72 and rotate extremely in opposite directions in the target wrapping bag, the end of closing bag pole 72 supports respectively and leans on the internal surface of the relative both sides of open end of target wrapping bag, is used for the tensioning first bag board 62 and the second of target wrapping bag open bag board 63 and withdraw from behind the target wrapping bag, close bag driving piece 71 drive it is tensile to close bag pole 72 back of the body motion target wrapping bag closes until the opening. Close bagging apparatus 70 still including locating respectively the backup pad 73 of the relative both sides of target wrapping bag, be formed with on the backup pad 73 with the holding groove 730 that closes bag pole 72 and correspond, close bag pole 72 including accept in initial condition in the holding groove 730 and protruding the operating condition outside holding groove 730. Optionally, the supporting plates 73 are respectively disposed inside the two vertical fixing members 611 of the bag support 61, the distance between the two supporting plates 73 is slightly smaller than the distance between the two vertical fixing members 611, the first bag plate 62 and the second bag plate 63 are located between the two supporting plates 73, and the width of the first bag plate 62 and the width of the second bag plate 63 are smaller than the distance between the two supporting plates 73.

Optionally, a space defined between the two support plates 73 forms the material guide channel 68, the support plates 73 extend between the bag feeding and sealing station and the bag filling station 13, and openings at two ends of the material guide channel 68 are respectively opposite to the bag feeding and sealing station and the bag filling station 13. Further, the upper and lower ends of the supporting plate 73 may be provided with material guiding plates, the upper and lower ends of the supporting plate 73 are sealed by the material guiding plates, and the material guiding plates and the supporting plate 73 define a material guiding channel 68 with openings at the front and rear ends.

One end of the bag closing rod 72 is connected to the rotating shaft 711 inserted into the receiving groove 730 of the corresponding support plate 73, and includes a connecting end rotatably connected to the corresponding support plate 73 and a free end opposite to the connecting end. Optionally, the free end of the bag closing rod 72 may be provided with an anti-slip sleeve 712, and the anti-slip sleeve 712 may be made of silica gel or other materials to increase the friction between the bag closing rod 72 and the inner surface of the target packaging bag, and also to buffer the acting force of the bag closing rod 72 on the inner surface of the target packaging bag to protect the target packaging bag. The bag closing driving member 71 includes a rotating shaft 711 axially passing through the supporting plate 73 and a rotating cylinder driving the rotating shaft 711 to rotate, the extending direction of the accommodating groove 730 is perpendicular to the direction of the rotating shaft 711, and the connecting end of the bag closing rod 72 is connected with the portion of the rotating shaft 711 located in the accommodating groove 730. The rotary cylinder may include an output shaft connected to the rotation shaft 711 through a timing pulley 741 and a timing belt 742. When the rotating cylinder drives the rotating shaft 711 to rotate in different directions, the bag closing rod 72 is driven to rotate inwards or outwards. The supporting plate 73 is provided with a limiting block 713 for limiting the maximum range of the bag closing rod 72 when rotating in the direction away from the corresponding supporting plate 73. Alternatively, the limiting block 713 may be disposed outside the supporting plate 73 at a position corresponding to the connecting end of the bag closing rod 72, and when the bag closing rod 72 rotates inward and is gradually accommodated in the accommodating groove 730, the bag closing rod 72 is not blocked by the limiting block 713, whereas when the bag closing rod 72 rotates outward and is blocked by the limiting block 713 when the bag closing rod rotates beyond the set range.

When the bag closing device 70 is used for closing the opened target packaging bag, firstly, the bag closing rod 72 is located at an initial position in the accommodating groove 730 accommodated in the corresponding support plate 73, after the material to be packaged is pushed into the tensioned target packaging bag, the rotating cylinders arranged at two opposite sides of the target packaging bag drive the bag closing rod 72 to rotate outwards, and the bag closing rod 72 rotates out of the accommodating groove 730 and enters the target packaging bag until the tail end of the bag closing rod 72 abuts against the inner wall of the opening end of the tensioned packaging bag; then, the bag opening cylinder 621 and the bag opening cylinder 631 of the bag opening device 60 extend to push the first bag plate 62 and the second bag plate 63 to move toward each other in a direction of approaching each other to release the target bag under tension, the bag closing rods 72 on the left and right sides continue to rotate outward by the driving of the rotating cylinders to stretch and tension the target bag toward the left and right sides while the first bag plate 62 and the second bag plate 63 release the bag, the second bag opening cylinder 642 of the bag opening device 60 retracts to drive the first bag plate 62 and the second bag plate 63 to withdraw from the target bag, the first bag plate 62 and the second bag plate 63 move toward the material guide passage 68 and finally retract to the initial position housed in the material guide passage 68, and the bag closing rods 72 finally close the opening end of the target bag from the inside of the target bag to the minimum.

Referring to fig. 17 and 18, the bag pulling device 80 is used for holding a bag to be sealed, so that the sealing device 90 seals the open end of the held bag. The bag pulling device 80 includes two sets of holding members 81 and bag pulling driving members 82 located at opposite sides of the target packaging bag. The clamping members 81 are used for clamping or loosening the packaging bag, and the bag pulling driving member 82 is used for driving the two groups of clamping members 81 on the two opposite sides to approach or move away from each other. The sealing apparatus 90 includes upper and

lower sealers

91 and 92 aligned with the opening of the target package, and a sealing driving member for driving the upper and

lower sealers

91 and 92 to move toward and away from each other. When closing the bag operation, draw two sets of holders 81 of bag driving piece 82 drive relative both sides to be close to each other, holder 81 centre gripping respectively the relative both sides of the open end of target wrapping bag draw two sets of holders 81 of bag driving piece 82 drive relative both sides to keep away from the target wrapping bag with taut closure after the relative both sides of target wrapping bag respectively, seal the driving piece drive upper and

lower capper

91, 92 move in opposite directions, press the open end of target wrapping bag realize sealing between upper and

lower capper

91, 92. This holder 81 can be for pointing the cylinder, and two fingers of pointing the cylinder one side in opposite directions are equipped with the skid resistant course, and this skid resistant course can be silica gel material, and when two fingers switched to the clamping state that is parallel to each other and laminates relatively rotatoryly, the skid resistant course of finger direct and the surface contact of target wrapping bag can increase the clamping-force of pointing the cylinder to the target wrapping bag. The bag pulling driving member 82 may be a bag pulling cylinder, and the two sets of finger cylinders on the two opposite sides are moved toward or away from each other by the telescopic movement of the bag pulling cylinder to pull the closed packaging bag.

The sealing driving member may include an upper sealing cylinder group 913 and a lower sealing cylinder group 923, the upper and

lower sealers

91 and 92 are attached to or spaced apart from each other under the driving of the sealing driving member, and the upper and

lower sealers

91 and 92 move toward directions close to each other until the open end of the target packing bag is pressed between the upper and

lower sealers

91 and 92 when the sealing operation is performed. The sealing apparatus 90 may further include a heater and a temperature controller, by which one side of the upper and

lower sealers

91, 92 contacting the surface of the target packaging bag may be heated to achieve sealing by clamping the surface at the open end of the target packaging bag between the upper and

lower sealers

91, 92 at a designated temperature. Optionally, the thrusts of the upper sealing cylinder set 913 and the lower sealing cylinder set 923 are set to be different, and the positions where the upper sealing device 91 and the lower sealing device 92 are attached to each other are determined by a set of cylinders with a larger thrust to ensure that the positions of each sealing operation are the same, for example, the thrust of the lower sealing cylinder set 923 is set to be greater than the thrust of the upper sealing cylinder set 913, when the lower sealing cylinder set 923 pushes the lower sealing device 92 to the sealing operation position, the upper sealing cylinder set 913 pushes the upper sealing device 91 to attach to the lower sealing device 92 to complete the sealing, and the stroke of the lower sealing device 92 pushed by the lower sealing cylinder set 923 is the position of the sealing operation. Alternatively, the upper sealed cylinder group 913 and the lower sealed cylinder group 923 may be both one cylinder or a plurality of cylinders arranged in parallel to improve the stability of the movement. Optionally, heat insulation plates 920 may be respectively disposed between the upper sealer 91 and the upper sealing cylinder bank 913, and between the lower sealer 92 and the lower sealing cylinder bank 923 to reduce heat loss and protect the cylinders.

When the bag-pulling device 80 and the sealing device 90 clamp and seal the bag, firstly, after the bag-closing device 70 rotates from the inside of the target bag to the left and right until the opening end is closed, the bag-pulling device 80 extends out simultaneously through the left and right bag-pulling cylinders, and pushes the left and right clamping members 81 to move towards the closed bag. Two fingers of the finger cylinder of the clamping piece 81 are mutually attached to clamp two sides of the opening end of the packaging bag respectively, the rotating cylinder of the bag closing device 70 drives the bag closing rod 72 to rotate out of the target packaging bag and rotate towards the direction of returning to the accommodating space of the corresponding supporting plate 73 until returning to the initial position of being accommodated in the accommodating groove 730; secondly, the left bag-pulling cylinder and the right bag-pulling cylinder retract simultaneously to drive the left clamping piece 81 and the right clamping piece 81 to move towards the directions away from each other simultaneously, so that the opening end of the packaging bag is tightened; then, the upper and lower sealing cylinder banks 913 and 923 push the upper and lower sealers 91 and 92, respectively, to move in the direction of being attached to each other, and finally press the open ends of the packages between the upper and lower sealers 91 and 92, thereby completing one sealing operation, the upper and lower sealing cylinder banks 913 and 923 push the upper and lower sealers 91 and 92, respectively, to be separated from each other and returned to the initial positions, so as to prepare for the next sealing operation, and the clamps 81 are simultaneously opened to release the target packages for which the sealing operation is completed.

In an aspect of the embodiment of the present application, referring to fig. 19, based on that the bagging mechanism includes the above-mentioned material pushing device 31, the bag closing device 70, and the sealing device 90, there is also provided a method for closing a bag by the bagging mechanism, including the following steps:

step S201, after the pushing device 31 pushes the material to be packaged to the target packaging bag entering the tensioning state, the bag closing device 70 drives the bag closing rods 72 to rotate oppositely into the target packaging bag through the bag closing driving piece 71, the tail ends of the bag closing rods 72 respectively abut against the inner surface of the opening of the target packaging bag, and after a bag opening plate for tensioning the target packaging bag exits from the target packaging bag, the bag closing driving piece 71 drives the bag closing rods 72 to move back and forth to stretch the target packaging bag until the opening is closed;

step S203, the bag pulling device 80 drives the two groups of clamping pieces 81 on the two opposite sides to approach each other through the bag pulling driving piece 82, the clamping pieces 81 respectively clamp the two opposite sides of the opening end of the target packaging bag, the bag closing driving piece 71 drives the bag closing rod 72 to rotate oppositely to withdraw from the target packaging bag, and the bag pulling driving piece 82 drives the two groups of clamping pieces 81 on the two opposite sides to move away from each other to tighten the closed target packaging bag;

step S205, the sealing device 90 drives the upper and

lower sealing devices

91 and 92 to move in opposite directions through the sealing driving member, and presses the opening end of the target packaging bag between the upper and

lower sealing devices

91 and 92 to seal the opening.

Further, after the bag closing rod 72 rotates back and forth from the target packaging bag, the bag closing rod 72 is driven by the bag closing driving member 71 to move in the opposite direction until being accommodated in the accommodating groove 730 of the corresponding supporting plate 73.

This bagging-off mechanism is after the material is entered into to the target wrapping bag by the propelling movement, through the open end of holder 81 centre gripping target wrapping bag, drives the sealer again and pushes down the open end of target wrapping bag and seal, can realize carrying out the automation after the material bagging-off to the wrapping bag through mutually supporting of closing bagging apparatus 70 and closing device 90 and seal the operation, carries out the automation through the wrapping bag to the packing material of treating packing of packing into and seals the operation, can improve production efficiency and rate of accuracy by a wide margin.

In order to better understand the full-automatic operation flow of material packaging implemented by the material packaging system provided in the embodiment of the present application, please refer to fig. 20, and the operation flow of the automatic packaging operation performed by the material packaging system is described as follows. The material packaging system comprises a material arranging device 10, a stacking transfer device 20, a material pushing device 31, a material pressing device 33, a bag storing device 40, a bag opening device 50, a bag opening device 60, a bag closing device 70, a bag pulling device 80 and a sealing device 90.

Firstly, the material arranging device 10 stacks the materials to be packaged in the stacking basket 21, the stacking transfer device 20 conveys the materials to be packaged to the bagging station 13, meanwhile, the bag opening device 50 sucks the target packaging bag from the bag taking station and conveys the target packaging bag to the bag opening station to open the target packaging bag, and the bag opening device 60 tensions the opened target packaging bag so as to load the materials to be packaged in the stacking basket 21 at the bagging station 13.

Wherein, the material arranging device 10 will wait to pack the material pile up neatly in pile up neatly basket 21, will wait to pack the step of material conveying to bagging-off station 13 by pile up neatly transfer device 20 and include:

step S11, overlapping the bag tail and the bag head of the material to be packaged by the material arranging device 10, and stacking the bag tail and the bag head in the stacking basket 21;

step S12, the stacking transfer device 20 conveys the stacking basket 21 containing the materials to be packaged to the bagging station 13;

step S14, the pressing device 33 drives the pressing plate 333 through the pressing cylinder to press the material to be packaged in the stacking basket 21 at the bagging station 13;

the bag opening device 50 sucks the target packaging bag from the bag taking station and then conveys the target packaging bag to the bag opening station to open the target packaging bag, and the step of tensioning the opened target packaging bag by the bag opening device 60 comprises the following steps:

step S21, the bag opening device 50 sucks the target packaging bag from the bag taking station through the upward bag sucking module and conveys the packaging bag to the bag opening station along the slide rail 51;

step S22, the upper suction bag module of the bag opening device 50 and the lower suction bag module at the bag opening station retract for one stage to open the target packaging bag through the upper and lower suction bag driving members;

step S23, the bag opening device 60 drives the first bag plate 62 and the second bag plate 63 to extend into the opened target packaging bag by the first bag opening driving member, and drives the first bag plate 62 and the second bag plate 63 to move in the direction away from each other by the second bag opening driving member to tension the target packaging bag;

step S24, the bag opening device 60 tensions the target packaging bag, and simultaneously the upper bag suction module and the lower bag suction module of the bag opening device 50 retract in two stages to provide a space required for tensioning, and the upper bag suction module returns to the initial position of the bag taking station;

step S25, the bag opening device 60 retracts to drive the first bag plate 62 and the second bag plate 63 to drive the tensioned target packaging bag to move to the bag entering and sealing station through the first bag opening driving member; wherein, the bag feeding and sealing station and the bag filling station 13 are respectively positioned at two opposite ends of the material guide channel 68;

then, the pushing device 31 pushes the material to be packaged, which is compressed in the stacking basket 21 at the bagging station 13, into the target packaging bag, the bag closing device 70 closes the open end of the target packaging bag filled with the material to be packaged, and the bag pulling device 80 and the sealing device 90 cooperate to seal the open end of the target packaging bag, wherein the method includes the following steps:

step S31, the pushing device 31 pushes out the material to be packaged, which is compressed in the stacking basket 21 at the bagging station 13, through the pushing plate 313, and the material to be packaged is pushed into the material guiding channel 68 and enters into the target packaging bag at the bag sealing station;

step S33, the pushing device 31 returns to the initial position, and the pressing device 33 returns to the initial position;

step S34, the bag closing device 70 closes the open end of the target packaging bag into which the material to be packaged has been loaded;

step S35, while the bag closing device 70 closes the opening end of the target packaging bag, the second bag opening driving member of the bag opening device 60 drives the first bag opening plate 62 and the second bag opening plate 63 to move toward the mutually approaching direction to cooperate with the bag closing device 70 to close the tensioned target packaging bag, and the first bag opening driving member of the bag opening device 60 retracts in two stages to drive the first bag opening plate 62 and the second bag opening plate 63 to withdraw from the target packaging bag and return to the initial state of being accommodated in the material guiding channel 68;

step S36, the bag pulling device 80 drives the clamping pieces to clamp the two sides of the opening end of the target packaging bag through the rotating cylinder, and retracts to pull the closed target packaging bag through the bag pulling cylinder;

step S37, the sealing device 90 drives the upper and

lower sealing devices

91, 92 to move toward each other, and the opening end of the target packaging bag is clamped between the upper and

lower sealing devices

91, 92 at a set temperature to complete sealing;

step S38, the upper and

lower sealers

91, 92 of the sealer 90 release the sealed target package and return to the initial position;

step S39, the bag pulling device 80 loosens the target packaging bag after the sealing is finished and returns to the initial position;

in step S40, the finished product pushing device pushes the finished product packaging bag out of the work area, and the finished product pushing device returns to the initial position.

The material packaging system and the material packaging method provided by the above embodiments can be applied to different product fields, and as an alternative implementation, the material to be packaged can be a small bag packaged with a plurality of single materials, so as to refill a large bag with a plurality of small bag materials 18 packaged with a plurality of single materials. Taking the material as an example, in the technical field of betel nut packaging, it is often necessary to package a plurality of single betel nuts of a specified number, with a deoxidizer package, a prize ticket with a set winning ratio, etc. into a same small package bag, and then package the plurality of small package bags into a large package bag. The packaged small packaging bag is often uneven and is not suitable to be completed by using the same production line with small packaging bags, and the packaging bag is completed by adopting the traditional manual work, so that the labor is consumed, and the phenomena of errors, multiple packaging, neglected packaging and the like are easy to occur. The material packaging system provided by the embodiment is characterized in that the material arranging device 10, the stacking transfer device 20, the material pushing device 31, the material pressing device 33, the bag storage device 40, the bag opening device 50, the bag opening device 60, the bag closing device 70, the bag pulling device 80 and the sealing device 90 are respectively designed, so that full-automatic operation of jointly filling a plurality of small packaged bags into a large package bag is realized, the production efficiency is ensured, and the labor cost is greatly saved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. The scope of the invention is to be determined by the scope of the appended claims.

Claims

1. The packaging system is characterized by comprising a material arranging device and a stacking transfer device, wherein the material arranging device comprises a first conveyor belt, a second conveyor belt and a bag transferring mechanism, the second conveyor belt is located below the first conveyor belt and has a certain height difference with the first conveyor belt, the bag transferring mechanism is located between the first conveyor belt and the second conveyor belt and is located on a path where small bag materials fall from the first conveyor belt to the second conveyor belt, the bag transferring mechanism comprises a bag transferring plate, a bag transferring driving piece and a bag transferring supporting plate, the bag transferring driving piece drives the bag transferring plate to swing, the bag transferring supporting plate is arranged on the upstream of the second conveyor belt in the conveying direction and is matched with the bag transferring plate to transfer bags, and the bag transferring plate comprises a first surface facing to a half swing period of the small bag materials falling from the tail end of the first conveyor belt and a second surface facing to a falling bag from the tail end of the first conveyor belt in the swing process The bag conveying device comprises a first conveying belt, a second conveying belt, a bag head, a bag tail, a bag transferring device and a rotary driving piece, wherein the bag head and the bag tail face opposite to each other in direction when the bag transferring device is used for transferring materials, the bag head and the bag tail face opposite to each other in direction when the two adjacent small bag materials fall from the first conveying belt to the second conveying belt through two opposite surface guides of the bag transferring plate and the matching of the bag transferring plate fall on the second conveying belt, the second conveying belt conveys the small bag materials to a stacking station, the stacking transferring device comprises a supporting arm, stacking baskets arranged at two opposite ends of the supporting arm and the rotary driving piece for driving the supporting arm to rotate, and the supporting arm rotates to switch the stacking baskets at two ends between the stacking station and a bagging station.

2. The packaging system of claim 1, wherein the pallet basket includes a pallet space defined by a bottom plate and side plates, the pallet transfer device further includes a striker mechanism disposed in the pallet space and open at opposite ends thereof, the striker mechanism includes a striker plate and a striker driving member for driving the striker plate to move, and the striker driving member is configured to drive the striker plate to switch between a closed state for closing the openings at the two ends of the pallet space and an open state for opening the openings at the two ends of the pallet space.

3. The packaging system of claim 2, wherein the pallet basket further comprises a distance measuring sensor located within the pallet basket and a pallet drive member for driving telescopic movement of the pallet basket, the pallet drive member driving telescopic movement of the pallet basket to adjust its current height in response to the distance measuring sensor sensing the level of material within the pallet basket.

4. The packaging system of claim 1, wherein the palletizing basket comprises a plurality of palletizing spaces arranged in parallel, the material sorting device further comprises a bag shifting plate arranged on the second conveyor belt and a bag shifting driving member for driving the bag shifting plate to swing, and the bag shifting driving member drives the bag shifting plate to swing so as to switch small bags of materials conveyed on the second conveyor belt to correspond to different palletizing spaces respectively.

5. The packaging system of claim 1, further comprising a bag-expanding device, the bag opening device comprises a bag opening support, a first bag opening plate and a second bag opening plate which are arranged on the bag opening support, a first bag opening driving piece and a second bag opening driving piece which drive the first bag opening plate and the second bag opening plate to respectively move in a telescopic way in two mutually vertical directions, before small bags of materials are filled into target packaging bags, the first bag driving piece drives the first bag plate and the second bag plate to extend into the opening of the opened target packaging bag, the second bag driving member drives the first bag plate and the second bag plate to move in the direction away from each other in the target packaging bag so as to tension the target packaging bag, the first bag driving piece carries the tensioned target packaging bag to move to and face the bagging station.

6. The packaging system of claim 5, further comprising a bag opening device, wherein the bag opening device comprises a slide rail, a first bag suction module moving along the slide rail between a bag taking station and a bag opening station, and a second bag suction module located at the bag opening station, the first bag suction module is opposite to the second bag suction module at the bag opening station, and the first bag suction module and the second bag suction module respectively suck two opposite side surfaces of the target packaging bag and then move back and forth to open the target packaging bag.

7. The packaging system as claimed in claim 6, further comprising a bag storage device located at the bag taking station, wherein the bag storage device comprises a guide rail and bag storage boxes juxtaposed on the guide rail, the bag storage boxes can slide along the guide rail, one of the bag storage boxes is located at the bag taking station for the first bag suction module to suck the bags, and the other bag storage box is located at one side of the bag taking station for the preparation state for adding the bags.

8. The packaging system as claimed in claim 5, further comprising a bag closing device, wherein the bag closing device comprises a bag closing rod and a bag closing driving member for driving the bag closing rod to rotate, when bag closing is performed, the bag closing driving member drives the bag closing rod to move back and forth to extend into the target packaging bag, the ends of the bag closing rod respectively abut against the inner surface of the opening of the target packaging bag, and after the bag opening plate for tensioning the target packaging bag exits the target packaging bag, the bag closing driving member drives the bag closing rod to continue to move back and forth to stretch the target packaging bag until the opening is closed.

9. The packaging system according to claim 8, wherein the packaging system further comprises a bag pulling device and a sealing device, the bag pulling device comprises a clamping piece and a bag pulling driving piece, the clamping piece is used for clamping two opposite ends of the closed target packaging bag and driving the clamping piece to approach to each other or to be away from each other, the sealing device comprises an upper sealing device, a lower sealing device and a sealing driving piece, the upper sealing device and the lower sealing device are driven to approach to each other or to be away from each other, when the bag closing operation is performed, the clamping piece respectively clamps two opposite sides of the open end of the target packaging bag, the sealing driving piece drives the upper sealing device and the lower sealing device to move in opposite directions, and the open end of the target packaging bag is pressed between the upper sealing device and the lower sealing device to realize sealing.

10. The packaging system according to any one of claims 1 to 9, wherein the packaging system further comprises a pressing device and a pushing device, the pressing device comprises a pressing plate located right above the stacking basket and a pressing cylinder driving the pressing plate to move telescopically, and when the stacking basket containing small bags of materials moves to a bagging station, the pressing device presses the small bags of materials in the stacking basket through the pressing plate and then pushes the small bags of materials out of the stacking basket through the pushing device.