CN107934047B

CN107934047B - Full-automatic packaging method

Info

Publication number: CN107934047B
Application number: CN201711116863.5A
Authority: CN
Inventors: 胡水华
Original assignee: Guangdong Bangtian Intelligent Manufacturing Co ltd
Current assignee: Guangdong Bangtian Intelligent Manufacturing Co ltd
Priority date: 2017-11-13
Filing date: 2017-11-13
Publication date: 2020-05-08
Anticipated expiration: 2037-11-13
Also published as: CN107934047A

Abstract

The invention discloses a full-automatic packaging method, which comprises the following steps: a bag taking suction nozzle of the bag taking mechanism sucks the packaging bag to enable the packaging bag to be positioned on a bag taking station; the conveying clamping mechanism clamps the packaging bag from the bag taking station and conveys the packaging bag to the bag opening station along the transverse clamping direction; the conveying clamping mechanism clamps and moves the packaging bag from the bag opening station to the filling station along the transverse direction to keep the bag opening state, the filling and blanking device fills the packaging bag in the filling station, and the conveying clamping mechanism clamps and moves the packaging bag from the filling station to the switching station along the transverse direction after filling is finished; conveying mechanism presss from both sides from the switching station and gets the wrapping bag and remove to fix in the vacuum cavity of evacuation closing device, it is right that evacuation closing device passes through the vacuum cavity the wrapping bag evacuation back is right by the heat-seal subassembly the upper end of wrapping bag carries out the heat-seal and handles. The packaging method of the invention has stable operation, can effectively avoid equipment failure caused by food materials scattered outside the bag, and greatly improves the packaging efficiency.

Description

Full-automatic packaging method

Technical Field

The invention relates to the technical field of packaging machines, in particular to a full-automatic packaging method.

Background

At present, the equipment for automatically packaging food materials generally adopts a bag feeding type packaging machine, the bag opening of a packaging bag is opened through the packaging machine, the food materials are filled, and the bag opening is automatically sealed. The existing packing machines are generally divided into a rotating disc type packing machine and a linear transmission type packing machine, wherein a packing method used by the rotating disc type packing machine is that a plurality of grabs are arranged on a rotating disc, and a packing bag is clamped by the grabs to move to each processing position along the circumference in sequence, so that the problems of error and difficult debugging of alignment of the rotating disc and each process processing device are easy to occur; the packaging method used by the linear conveying type packaging machine generally utilizes a conveying belt to convey packaging bags, has the problems of difficult packaging bag fixing and inaccurate positioning, and is easy to take two overlapped packaging bags when the packaging bags are taken, so that the filled food materials fall on the conveying belt to cause equipment failure.

Disclosure of Invention

The invention aims to solve the defects in the prior art at least to a certain extent and provides a full-automatic packaging method.

In order to achieve the purpose, the full-automatic packaging method provided by the invention comprises the following steps:

a bag taking suction nozzle of the bag taking mechanism sucks a packaging bag in a vertical state to enable the packaging bag to be positioned on a bag taking station, and the packaging bag is provided with a bag opening end positioned at the upper end, a closed end positioned at the lower end and two side walls;

opening the bag, wherein a conveying and clamping mechanism clamps the packaging bag from the bag taking station and transversely clamps and conveys the packaging bag to the bag opening station, two bag opening suction nozzles of a bag opening device respectively adsorb two side walls of the packaging bag in the bag opening station, and the two bag opening suction nozzles are mutually far away to open the bag opening of the packaging bag;

filling, wherein a conveying and clamping mechanism transversely clamps and moves the packaging bags from the bag opening station to a filling station with the bag opening state kept, and clamps the packaging bags by a fixed clamping mechanism;

the evacuation seals, and conveying mechanism presss from both sides from the switching station and gets in the wrapping bag and remove to fix in the vacuum cavity of evacuation closing device, and evacuation closing device is right through the vacuum cavity the wrapping bag is right by the heat-seal subassembly after the evacuation the upper end of wrapping bag carries out the heat-seal and handles.

Preferably, the bag taking station, the bag opening station, the filling station and the switching station are all located on the same horizontal straight line.

Preferably, the bag taking mechanism in the bag taking step is respectively provided with bag taking suction nozzles at two sides along the longitudinal direction, and the bag can be respectively sucked from two bag supply racks symmetrically arranged along the longitudinal direction to a bag taking station.

Preferably, the bag opening step further comprises the step of clamping the opened packaging bag to keep the packaging bag in an opened state.

Preferably, the bag opening step further comprises the step of blowing air into the mouth of the envelope to expand the interior of the envelope.

Preferably, the filling step further comprises the step of opening the bag mouth so that the blanking pipe can extend into the bag mouth of the packaging bag for filling.

Preferably, the fully automatic packaging method further comprises the step of carrying out bag opening leveling and closing on the packaging bags in the transfer station.

Preferably, the vacuum-pumping sealing device is respectively provided with a vacuum cavity and two corresponding conveying mechanisms along the longitudinal two sides, and the step of clamping and moving the packaging bag in the switching station to be in butt joint with one of the conveying mechanisms is further included between the filling step and the vacuum-pumping sealing step.

Preferably, the bag taking station, the bag opening station, the filling station, the switching station and the vacuum cavity all adopt a double-station design structure.

Preferably, the first filling station and the second filling station of the filling stations are respectively over against the blanking pipes of the two filling and blanking devices, and a first idle working position and a second idle working position are sequentially arranged between the first filling station and the second filling station.

The packaging method adopted by the technical scheme of the invention has stable operation, can effectively avoid equipment failure caused by food materials scattered outside the bag, and greatly improves the packaging efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a front view schematically illustrating the structure of the fully automatic packing machine of the present invention;

fig. 2 is a schematic perspective view of the fully automatic packaging machine of the present invention;

FIG. 3 is a schematic view showing the structure of the fully automatic packing machine of the present invention for processing the packing bags;

FIG. 4 is a schematic flow chart of a fully automatic packaging method of the present invention;

FIG. 5 is a schematic view showing the construction of the packing bag supplying apparatus of the present invention;

FIG. 6 is a schematic structural view of the bag opener of the present invention;

fig. 7 is a schematic perspective view of the filling and blanking device of the present invention;

FIG. 8 is an enlarged view of a portion of the auxiliary bag opening mechanism of the present invention;

FIG. 9 is a schematic structural view of a distracting support of the present invention;

FIG. 10 is a schematic structural view of the first and second lifting mechanisms of the present invention;

FIG. 11 is a schematic view of a gripping and conveying device according to the present invention;

FIG. 12 is a schematic view of a fixing and clamping mechanism according to the present invention;

FIG. 13 is a schematic top view of the structure of FIG. 12;

FIG. 14 is a schematic view of a transfer fixture according to the present invention;

FIG. 15 is a schematic view of the sliding clamp holder of the present invention;

FIG. 16 is a schematic structural view of a bag opening leveling mechanism according to the present invention;

FIG. 17 is a schematic perspective view of the vacuum sealing apparatus of the present invention;

FIG. 18 is a schematic view of the mounting structure of the body and the closing plate mechanism of the present invention;

FIG. 19 is a schematic view of the delivery mechanism of the present invention;

fig. 20 is a schematic structural diagram of the adapter of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "circumferential," "radial," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The fully automatic packing method according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings. Although the drawings show a schematic view of a packaging machine that performs various processes on two packages at a time, the following description can be applied to a packaging machine that performs various processes on one, three, or four packages at a time.

As shown in fig. 1 to 3 and 5 to 20, the fully automatic packaging machine includes a frame 1000, a bag supplying device 100, a bag opening device 200, a filling and discharging device 300, a grabbing and conveying device 400, and a vacuum sealing device 500, wherein the bag supplying device 100, the bag opening device 200, the filling and discharging device 300, and the vacuum sealing device 500 are sequentially disposed on the frame 1000 along a transverse direction; the packing bag supply apparatus 100 includes a packing bag supply rack 120 and a bag taking mechanism 130 for sucking the packing bag from the packing bag supply rack 120; the grabbing and conveying device 400 sequentially penetrates through the lower portions of the bag opening device 200 and the filling and blanking device 300 and is used for conveying the packaging bags sucked by the bag taking mechanism 130 to the bag opening mechanism 200 for bag opening and conveying the packaging bags in the bag opening state to the filling and blanking device 300 for filling.

Referring to fig. 3 and 4, a fully automatic packaging method according to an embodiment of the present invention includes the steps of:

and taking the bag, wherein the bag taking suction nozzle 133 of the bag taking mechanism 130 sucks a packaging bag 10a in a vertical state to enable the packaging bag to be positioned on the bag taking station 20, and the packaging bag 10a is provided with a bag opening end at the upper end, a closed end at the lower end and two side walls.

The bag opening and conveying clamping mechanism 420 clamps the packaging bag 10a from the bag taking station 20 and conveys the packaging bag to the bag opening station 30 in a transverse clamping manner, two side walls of the packaging bag 10b in the bag opening station 30 are respectively adsorbed by two bag opening suction nozzles 215 of the bag opening device 200, and the two bag opening suction nozzles 215 are mutually separated to open the bag opening of the packaging bag 10 b.

And filling, the conveying clamping mechanism 420 transversely clamps and moves the packaging bag 10b from the bag opening station 30 to the filling station 40 with the bag opening state kept, and clamps the packaging bag by the fixed clamping mechanism 410, the filling and blanking device 300 fills the packaging bag 10c of the filling station 40, and after filling, the conveying clamping mechanism 420 transversely clamps and moves from the filling station 40 to the transfer station 50.

Vacuumizing and sealing, the conveying mechanism 540 clamps the packaging bag 10d from the transfer station 50 and moves the packaging bag into the vacuum cavity of the vacuumizing and sealing device 500 for fixing, and the vacuumizing and sealing device 500 vacuumizes the packaging bag 10e through the vacuum cavity and then carries out heat sealing treatment on the upper end of the packaging bag 10e through the heat sealing assembly.

Further, the bag taking station 20, the bag opening station 30, the filling station 40 and the switching station 50 are all located on the same horizontal line. That is, the packing bag 10 is sequentially moved to the bag taking station 20, the bag opening station 30, the filling station 40 and the transfer station 50 in a horizontal straight line by the conveying clamping mechanism 420 of the gripping and conveying device 400.

Specifically, the packaging bag supply device 100 comprises a first mounting seat 110 and a bag taking mechanism 130, wherein two ends of the first mounting seat 110 are respectively provided with a packaging bag supply rack 120 which is symmetrical to each other, the packaging bag supply rack 120 is provided with at least one bag storage groove 121, a plurality of vertically arranged sheet-shaped packaging bags 10 are placed in the bag storage groove 121, the inner end of the bag storage groove 121 is provided with a bag taking opening 122 which is smaller than the packaging bags, and the outer end of the bag storage groove 121 is provided with a pushing mechanism 123 which is used for pushing the packaging bags towards the bag taking opening 122; that is, the plurality of packing bags are closely arranged together in the direction of the bag storage groove 121 by the pushing force of the pushing mechanism 123, and the packing bag arranged at the innermost side is held and fixed on the bag taking opening 122. Therefore, the bag taking mechanism 130 can respectively suck the packaging bags 10 from the two packaging bag supply racks 120 to the bag taking station 20, the movement stroke of the bag taking mechanism 130 is reduced through the bidirectional suction design mechanism, and the bag taking efficiency of the bag taking mechanism 130 is greatly improved.

As shown in fig. 6, the bag opener 200 includes a bag opener 210 and a holder 220. Wherein, open bag mechanism 210 includes portal frame 211, set up in first longitudinal slide rail 212, the slip setting on the portal frame 211 is in two suction nozzle mount pads 213 on the first longitudinal slide rail 212 and drive two suction nozzle mount pad 213 relative motion open bag actuating mechanism 214, two suction nozzle mount pads 213 set up relatively, and relative inboard is provided with relative bag suction nozzle 215 of opening, pulls open the sack of wrapping bag through opening bag suction nozzle 215 on two suction nozzle mount pads 213. The holding mechanism 220 comprises a clamping frame 221 fixed with the portal frame 211 and positioned between the two nozzle mounting seats 213, and two pneumatic fingers 222 fixedly connected with the clamping frame 221 and vertically arranged along the first longitudinal slide rail 212 at intervals, wherein the interval distance between the two pneumatic fingers 222 is the width of the top of the packaging bag after the packaging bag is opened, and the two pneumatic fingers are used for clamping and fixing the positions of two ends of the top of the packaging bag, so that the bag opening state of the packaging bag is maintained during clamping.

Further, the bag opening step may further include the step of blowing air into the mouth of the packing bag to expand the inside of the packing bag. Specifically, an air injection pipe 224 is arranged on the clamping frame 221, and the lower end of the air injection pipe 224 is an air outlet end, extends to between the two pneumatic fingers 222, and is located above the packaging bag at the bag opening station. So, when opening the wrapping bag when opening bag mechanism 210, the end blowout gas of giving vent to anger of gas jet pipe 224 to make the inside inflation of wrapping bag after opening the bag, so that the filling of later stage wrapping bag has avoided the wrapping bag to open incompletely.

As shown in fig. 7 to 10, the filling step further includes a step of opening the mouth of the bag so that the feeding tube 310 can be inserted into the mouth of the packaging bag for filling. Specifically, two filling and blanking devices 300 are respectively arranged on a rack 1000 of the packaging machine along the transverse direction, and each filling and blanking device 300 comprises a bin 340, a main body 330, a blanking pipe 310 and an auxiliary bag supporting mechanism 350; the main body 330 has a containing cavity for receiving the falling materials in the bin 340; the blanking pipe 310 is vertically installed at the bottom of the main body 330, and is driven by a first lifting driving mechanism 360 to move up and down, and the upper end of the blanking pipe 310 is communicated with the accommodating cavity; the auxiliary bag supporting mechanism 350 includes a second lifting driving mechanism, a pneumatic finger 351 driven by the second lifting driving mechanism, and a supporting frame 352 mounted on the pneumatic finger 351, wherein the supporting frame 352 includes two bag supporting members 3521 respectively fixed on two grippers 3511 of the pneumatic finger 351, and free ends of the two bag supporting members 3521 respectively extend to two opposite sides of the discharging pipe 310 and extend downward to form bag supporting portions 3522. So, when the wrapping bag removed to the filling station, can be earlier through pneumatic finger 351 of second elevating system drive and prop bag piece 3521 downstream, the messenger props bag portion 3522 and is arranged in the sack of wrapping bag, and utilize two bag pieces 3521 of propping of pneumatic finger 351 drive to drive two bag portions 3522 that prop that are arranged in the sack and expand each other, in order to strut the sack of wrapping bag, then first elevating system drive unloading pipe 310 gets into smoothly in the sack that struts, make things convenient for the unloading, do not send when guaranteeing the filling and reveal, especially when the material of filling has oil night, placed oil night and stained with the sack and lead to the later stage can not seal completely or sputter and arouse equipment trouble.

As shown in fig. 11 to 14, the grabbing and conveying device 400 includes a fixed clamping mechanism 410 and a conveying clamping mechanism 420, which are disposed on the frame 1000, the fixed clamping mechanism 410 is located below the filling and blanking device, and the conveying clamping mechanism 420 is located below the fixed clamping mechanism 410; the packaging bag supply device 100 and the bag opener 200 of the packaging machine are arranged in the horizontal direction in front of the conveying and clamping mechanism 420.

Fixed fixture 410 includes that two can follow longitudinal sliding's fixed holding frame 411 and be used for driving two fixed holding frame 411 relative motion's first actuating mechanism 413, two fixed holding frame 411's relative inboard all corresponds the position is provided with a pair of first chuck 412 that is used for the wrapping bag after the bag is opened in the centre gripping relatively under filling unloader 300's unloading pipe 310. When the two fixed holding frames 411 approach each other to make the two first chucks 412 abut against each other, the two ends of the upper portion of the opened bag, which are transferred below the discharging tube 310 by the transferring and holding mechanism 420, are held and fixed, so that the discharging tube 310 is lowered to extend into the bag opening for filling.

Conveying fixture 420 includes that two can follow vertical relative slip and can follow lateral sliding's slip holding frame 421 simultaneously, be used for driving two slip holding frame 421 relative motion's second actuating mechanism 422 and be used for driving two slip holding frame 421 carries out lateral movement's third actuating mechanism 423 simultaneously, two the relative inboard of slip holding frame 421 corresponds in proper order along wrapping bag direction of transfer and is equipped with at least a pair of second chuck 424 and at least a pair of third chuck 425 that are used for the centre gripping conveying wrapping bag, and two the front end of slip holding frame 421 is connected with a splint 426 respectively, second chuck 424 with first chuck 412 is relative from top to bottom.

Preferably, four pairs of first clamping heads 412 are transversely distributed on the inner sides of the two fixed clamping frames 411, the distance between the first pair of first clamping heads 412a and the second pair of first clamping heads 412b is the same as the distance between the third pair of first clamping heads 412c and the fourth pair of first clamping heads 412d, the first pair of first clamping heads 412a is positioned below the blanking pipe 310 of the first filling and blanking device 300, and the fourth pair of first clamping heads 412d is positioned below the blanking pipe 310 of the second filling and blanking device 300; correspondingly, four pairs of second collets 424a, 424b, 424c and 424d are distributed in the middle parts of the opposite inner sides of the two sliding clamping frames 421, and are respectively opposite to the four pairs of

first collets

412a, 412b, 412c and 412d, and two pairs of third collets 425 are distributed at the rear parts of the four pairs of second collets.

As shown in fig. 15, the fully automatic packaging method further comprises the step of carrying out opening leveling and closing on the packaging bags in the transfer station. Specifically, the bag mouth leveling mechanism is disposed at the rear end of the conveying clamping mechanism 420, and includes two third transverse sliding rails 4211 respectively disposed at the opposite inner sides of the rear ends of the two sliding clamping frames 421, and two second driving cylinders 427 respectively fixed on the two sliding clamping frames 421, the pair of third collets 425 are respectively disposed on the two third transverse sliding rails 4211, each third collet 425 has two clamping arms 4251 capable of sliding on the third transverse sliding rails 4211, and the second driving cylinder 427 on each sliding clamping frame 421 is configured to drive the two clamping arms 4251 of the third collet 425 to move relatively. Thus, when two pairs of third collets 425 respectively clamp two filled packaging bags from the filling station, the telescopic rod of the second driving cylinder 427 extends out, so that the two corresponding clamping arms 4251 in each pair of third collets 425 are far away from each other, and the clamped packaging bag openings are leveled and closed, thereby facilitating the later-stage vacuum-pumping sealing treatment.

As shown in fig. 16 to 19, the vacuum sealing apparatus 500 includes at least one body 510 and at least one sealing plate mechanism 520, wherein a receiving cavity 511 is formed on one side of the body 510 in a concave manner, and the receiving cavity 511 is communicated with a negative pressure suction pipe 512; a sealing plate mechanism 520 is correspondingly arranged outside each accommodating cavity 511;

the sealing plate 521 assembly includes a sealing plate 521, a clamping assembly 522 and a heat sealing assembly 523, wherein the sealing plate 521 is disposed on one side of the body 510 having the accommodating cavity 511, and can linearly move relative to the body 510 to a sealing position where the sealing plate and the accommodating cavity 511 of the body 510 are sealed to form a vacuum cavity and a loading and unloading position away from the body 510; the clamping assembly 522 is arranged on the inner side surface of the sealing plate 521, is used for clamping and fixing a packaging bag to be sealed, can be positioned in the vacuum cavity when moving to a sealing position along with the sealing plate 521, and vacuumizes the vacuum cavity through the negative pressure suction pipe 512; heat-seal subassembly 523 set up in the top of centre gripping subassembly 522 for carry out the heat-seal to the sack of the wrapping bag after the evacuation.

Because the time required for the vacuum pumping and heat sealing work of the packaging bags in the vacuum cavity is longer, in order to improve the sealing efficiency, a plurality of bodies 510 are arranged in parallel in the transverse direction; a bracket 530 is erected above the plurality of bodies 510, a conveying mechanism 540 for moving the packaging bag at the end of the gripping and conveying device 400 to be gripped and fixed by the gripping assembly 522 is arranged on one side of the bracket 530 corresponding to the body 510, the conveying mechanism 540 comprises a first slide rail 541 arranged on the bracket 530 and extending along the direction in which the plurality of bodies 510 are arranged side by side, a slide block 542 arranged on the first slide rail 541 in a sliding manner, a conveying driving assembly arranged on the bracket 530 and used for driving the slide block 542 to move, parallel pneumatic fingers 543 fixed on the slide block 542, and two clamping plates 544 respectively arranged on two grippers 5431 of the parallel pneumatic fingers 543, when the two clamping plates 544 move along the first sliding rail 541 along with the sliding block 542, just above the clamp assembly 522 when the closure plate 521 is in the load/unload position. In this manner, the bag at the bag opening leveling station may be clamped and moved to be clamped and secured by the clamping assembly 522 via the two clamping plates 544 of the conveying mechanism 540.

The other side of each body 510 is symmetrically provided with one accommodating cavity 511 and the corresponding sealing plate mechanism 520, and the other side of the bracket 530 corresponding to the body 510 is provided with another conveying mechanism 540. That is, one conveying mechanism 540 correspondingly moves the packaging bag to the sealing plate mechanism 520 on the corresponding side, so that the sealing efficiency of the packaging bag is improved, the structure is greatly optimized, and the occupied space is reduced.

The vacuum-pumping sealing device 500 is provided with a vacuum cavity and two corresponding conveying mechanisms 540 along the longitudinal two sides, and the step of clamping and moving the packaging bag in the switching station to be butted with one of the conveying mechanisms 540 is further included between the filling step and the vacuum-pumping sealing step. Specifically, an adapter 600 is further disposed between the grabbing conveyor 400 and the vacuum sealing device 500, and the adapter 600 is configured to move the filled packages clamped at the rear end of the grabbing conveyor 400 to positions where the filled packages can be grabbed by the two conveying mechanisms 540. The switching device 600 comprises a mounting base plate 610 erected on the frame 1000, a fourth longitudinal sliding rail 620 arranged on the mounting base plate 610, a third sliding seat 630 slidably mounted on the fourth longitudinal sliding rail 620, a sliding plate 640 fixed with the third sliding seat 630, two parallel pneumatic fingers 650 mounted at intervals on the lower surface of the sliding plate 640, two switching clamping frames 660 respectively mounted on the two parallel pneumatic fingers 650, and a servo motor 670 driving the third sliding seat 630 to move on the fourth longitudinal sliding rail 620; the spacing of the two parallel pneumatic fingers 650 is equal to half the spacing of the two transport mechanisms 540.

It should be noted that the blanking pipes 310 of the two filling and blanking devices 300 are respectively aligned above the first filling station 41 and the second filling station 44 of the filling station 40, and a first idle station 42 and a second idle station 43 are sequentially arranged between the first filling station 41 and the second filling station 44. Specifically, after the two packaging bags are opened at the bag opening station 30, the two packaging bags firstly move to a first filling station 41 and a first idle step station 42, the packaging bags at the first filling station 41 are filled by the left filling and blanking device 300, then the conveying and clamping mechanism 420 moves the two packaging bags at the first filling station 41 and the first idle step station 42 to a second idle step station 43 and a second filling station 44 in parallel, at the moment, the packaging bags at the second filling station 44 are filled by the right filling and blanking device 300, and then the conveying and clamping mechanism 420 clamps and moves the two filled packaging bags at the second idle step station 43 and the second filling station 44 to a bag opening leveling station 50; that is, the first pair of first grippers 412a corresponds to the first filling station 41, the second pair of first grippers 412b corresponds to the first idle station 42, the third pair of first grippers 412c corresponds to the second idle station 43, and the fourth pair of first grippers 412d corresponds to the second filling station 44.

In summary, the packaging method of the present invention specifically comprises: the bag taking mechanism 130 of the bag supply device 100 sucks two transversely arranged bags from the two bag storage grooves 121 of one bag supply rack 120; the conveying clamping mechanism 420 of the grabbing and conveying device 400 clamps and moves the two packaging bags from the bag taking mechanism 130 to the bag opening device 200; after the two packaging bags are respectively opened by the bag opening mechanism 210 of the bag opening device 200, the two ends of the top of the packaging bag after the bag opening are respectively clamped by the pneumatic fingers 222 of the holding mechanism 220 to be kept in a bag opening state, and gas is sprayed into the bag opening of the packaging bag through the gas spraying pipe 224 after the bag opening, so that the interior of the packaging bag is expanded, the later-stage packaging bag filling is facilitated, and incomplete opening of the packaging bag is avoided; the first pair and the second pair of second grippers 424a, 424b of the transfer gripping mechanism 420 grip two opened bags from the holding mechanism 220, and transfer the two opened bags to the first pair and the second pair of first grippers 412a, 412b of the fixed gripping mechanism 410 for gripping and fixing; the filling and blanking device 300 on the left side fills the packaging bag clamped and fixed by the first pair of first clamping heads 412 a; the third and fourth pairs of second grippers 424c, 424d of the transfer gripping mechanism 420 grip two packages from the first and second pairs of first grippers 412a, 412b, respectively, and transfer the packages to the third and fourth pairs of first grippers 412c, 412d of the fixed gripping mechanism 410 for gripping and fixing; the filling and blanking device 300 on the right side fills the packaging bag clamped and fixed by the fourth pair of first clamping heads 424d, so that materials are filled in both the packaging bags; the two pairs of third chucks 425 of the conveying and clamping mechanism 420 clamp two filled packaging bags from the third pair of first chucks 412c and the fourth pair of first chucks 412d respectively, and perform bag opening leveling action; one of the switching holders 660 of the switching device 600 clamps and moves the two bags with the flat mouths to a position corresponding to one of the conveying mechanisms 540 of the vacuum sealing device 500; the two gripper plates 544 of the one conveying mechanism 540 grip two packages from the one adaptor gripper block 660 and transfer the packages to the gripper assembly 522 of any one of the plate closing mechanisms 520; the closing plate 521 of the closing plate mechanism 520 moves to the sealing position to enable the two packaging bags to be positioned in the vacuum cavity, and the negative pressure suction pipe 512 of the body 510 sucks air from the vacuum cavity to enable the two packaging bags to be respectively vacuumized; the heat sealing component 523 of the sealing plate mechanism 520 performs heat sealing on the bag openings of the two packaging bags after the vacuum pumping is finished; after heat sealing is complete, closure plate 521 is moved outwardly to the load and unload position while gripper assembly 522 releases the two sealed packages and allows them to drop into a storage chamber within frame 1000.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A full-automatic packaging method is characterized by comprising the following steps:

a bag taking suction nozzle of the bag taking mechanism sucks a packaging bag in a vertical state from a bag storage groove of a packaging bag supply frame to enable the packaging bag to be positioned on a bag taking station, and the packaging bag is provided with a bag opening end positioned at the upper end, a closed end positioned at the lower end and two side walls; the inner end of the bag storage groove is provided with a bag taking opening smaller than the packaging bag so that the packaging bag can be sucked by the bag taking suction nozzle;

filling, wherein a conveying clamping mechanism transversely clamps and moves the packaging bags from the bag opening station to a filling station with the bag opening state kept, clamps the packaging bags by a fixed clamping mechanism, and supports the bag openings of the packaging bags by a bag supporting piece arranged on an auxiliary bag supporting mechanism;

2. The fully automated packaging method of claim 1, wherein the bag-removing station, the bag-opening station, the filling station, and the transfer station are all on the same horizontal transverse line.

3. The full-automatic packaging method according to claim 1, wherein the bag taking mechanism in the bag taking step is provided with bag taking suction nozzles at both sides in the longitudinal direction respectively, and can suck the packaging bags from two packaging bag supply racks symmetrically arranged in the longitudinal direction respectively to the bag taking station.

4. The fully automatic packaging method according to claim 1, wherein the bag opening step further comprises the step of holding the opened packaging bag to maintain the opened packaging bag.

5. The fully automated packaging method according to claim 4, wherein the bag opening step further comprises the step of blowing air into the mouth of the bag to expand the interior of the bag.

6. The fully automated packaging method of claim 1, wherein the filling step further comprises the step of opening the mouth of the bag to facilitate insertion of the tube into the mouth of the bag for filling.

7. The fully automated packaging process of claim 1, further comprising the step of opening-leveling and closing the pouches in the transfer station.

8. The fully automatic packaging method according to claim 1, wherein the vacuum sealing device has vacuum chambers and two corresponding conveying mechanisms respectively along two sides of the longitudinal direction, and the step of clamping and moving the packaging bag in the transfer station to be butted with one of the conveying mechanisms is further included between the filling step and the vacuum sealing step.

9. The full-automatic packaging method of claim 1, wherein the bag taking station, the bag opening station, the filling station, the switching station and the vacuum cavity are all of a double-station design structure.

10. The full-automatic packaging method according to claim 9, wherein the first filling station and the second filling station of the filling stations are respectively opposite to the blanking pipes of the two filling and blanking devices, and a first idle station and a second idle station are arranged between the first filling station and the second filling station in sequence.