CN110871921A

CN110871921A - Automatic packaging production line for material boxes

Info

Publication number: CN110871921A
Application number: CN201811019510.8A
Authority: CN
Inventors: 陶晶; 丁晚景; 黄松林; 李涛; 王爱春
Original assignee: Hubei Institute Of Technology
Current assignee: Hubei Institute Of Technology; Hubei Polytechnic University
Priority date: 2018-09-03
Filing date: 2018-09-03
Publication date: 2020-03-10

Abstract

The invention discloses an automatic packaging production line for material boxes, which comprises a belt conveyor A, B, C, D, wherein belt conveyors B, C are arranged on the left side and the right side of a belt conveyor A side by side, a belt conveyor C and the belt conveyor A are arranged in a head-tail opposite manner, and a belt conveyor D is arranged in a head-tail opposite manner and in a vertical manner; an automatic packaging bag feeding device, an automatic packaging bag label attaching device and an automatic material box bagging device are sequentially arranged on the belt conveyor A; an automatic material box overturning and feeding device is arranged between the belt conveyors A, C; the belt conveyor C is sequentially provided with a vacuumizing sealing device and a folding packaging device; a material box vertical lane changing conveying device is arranged between the belt conveyors C, D; the tail end of the belt conveyor D is provided with an automatic material box loading device; the invention occupies small production area space, meets the requirements of automation and standardized production of a production line, improves the efficiency of packaging production and ensures the attractiveness of packaged products.

Description

Automatic packaging production line for material boxes

Technical Field

The invention relates to a production line, in particular to an automatic packaging production line for material boxes.

Background

At present, a square material box made of paper or plastic is generally adopted for containing materials. On material box packing production line, when packing production to this type of material box, in order to improve packing efficiency, ensure the aesthetic property of packing the finished product, the packing operation of following step need be carried out usually: (1) feeding each packaging bag in sequence on a production line; (2) labeling the packaging bag; (3) putting the material box into a packaging bag; (4) after the material box is bagged by the packaging bag, vacuumizing and sealing are performed; (5) folding and further packaging the opening of the sealed packaging bag; (6) and loading the packed finished product.

However, the existing material box packaging production line is unreasonable in design, is generally arranged in an industrial factory building to form a linear structure, occupies a large space, and cannot fully utilize the limited factory building space; in addition, the automation degree of the equipment adopted in each link of the packaging production is low, a large number of workers are required to be configured for auxiliary operation, the working intensity is high, time and labor are wasted, a large number of human resources are occupied, the requirements of automation and standardized production cannot be met, the packaging production efficiency is seriously influenced, and the attractiveness of the packaged product cannot be ensured. Therefore, there is an urgent need for an automated modification of an existing baling line to meet the demand of industrial production.

Disclosure of Invention

The invention aims to solve the problems that the existing material box packaging production line is large in occupied space, low in automation degree, incapable of meeting the requirements of automation and standardized production and seriously influencing the packaging production efficiency and the attractiveness of packaged products, and provides the material box automatic packaging production line.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to an automatic packaging production line for material boxes, which comprises a belt conveyor A, a belt conveyor B, a belt conveyor C and a belt conveyor D, wherein the belt conveyors B, C are arranged on the left side and the right side of the belt conveyor A side by side, the belt conveyor C and the belt conveyor A are oppositely arranged from head to tail, and the belt conveyor D and the belt conveyor C are oppositely arranged from head to tail and are vertically arranged; the conveying belt of the belt conveyor A consists of a plurality of belts which are arranged at equal intervals; an automatic packaging bag feeding device, an automatic packaging bag label attaching device and an automatic material box bagging device are sequentially arranged on the belt conveyor A along the transmission direction of the belt conveyor A, wherein the belt conveyor B is used for conveying material boxes, and the automatic material box bagging device is arranged between the belt conveyors A, B; a material box automatic turning and feeding device which is used for turning over the bagged material boxes by 90 degrees and realizing parallel transfer between the two belt conveyors is arranged between the belt conveyors A, C; a vacuumizing sealing device and a folding sealing device which are used for sequentially vacuumizing, sealing and folding and packaging the packaging bags containing the material boxes are arranged on the belt conveyor C along the conveying direction of the belt conveyor C; a material box vertical lane changing conveying device used for turning the packaged material boxes 90 degrees again and realizing vertical transfer between the two belt conveyors is arranged between the belt conveyors C, D; the tail end of the belt conveyor D is provided with an automatic loading device of the material box.

As a preferred technical scheme, the automatic packaging bag feeding device comprises a three-station bogie for containing packaging bags and a material transferring machine for transferring the packaging bags in the three-station bogie to the belt conveyor a; the three-station bogie is provided with three feeding frames which are uniformly distributed along the circumference and are arranged on a turntable, the turntable is in driving connection with a speed reducing motor, and a material supporting plate and a guide rod for guiding the material supporting plate to lift are arranged in the feeding frames; the lower side of each feeding frame is provided with an induction sheet, and the outer side of the three-station bogie is provided with a proximity switch matched with each induction sheet; the bottom of each feeding frame is provided with a yielding port, and a lifting ejector rod corresponding to the yielding port is arranged on the ground and is used for controlling the lifting of the material supporting plate; the proximity switch is electrically interlocked with the speed reducing motor and the lifting ejector rod respectively; the material transferring mechanism comprises a screw rod transmission mechanism and a sliding seat driven by the screw rod transmission mechanism, wherein the screw rod transmission mechanism is vertically arranged with the belt conveyor A; the sliding seat is connected with one end of the cross arm, the other end of the cross arm is provided with a vertically arranged cylinder A, and the telescopic end of the cylinder A is provided with a pneumatic sucker A.

As a preferred technical scheme of the invention, the automatic packaging bag label attaching device comprises a vertical support arranged on the lower side of a belt conveyor A and a fixed rack A arranged on the left side/right side of the belt conveyor A; a base lifting platform A driven by a cylinder B is arranged on the vertical support, and a plurality of supporting blocks A which are arranged in a staggered manner with each belt on the belt conveyor A are arranged on the base lifting platform A; a vertically arranged cylinder C is arranged on the lower side of the basic lifting platform A, an adapter plate is arranged at the telescopic end of the cylinder C, a plurality of stop pins A which are arranged side by side are arranged on the adapter plate, and each stop pin A is correspondingly matched with a pin hole penetrating through the front end of each support block A; a plurality of labelers and a triaxial arm are installed side by side on fixed frame A, and every labeler all is equipped with the tray that is used for bearing the label, and the end of triaxial arm is provided with pneumatic chuck B to be used for shifting the label on each tray to basic elevating platform A's upside.

As a preferred technical scheme, the automatic material box bagging device comprises a packaging bag opening device arranged at the tail end of a belt conveyor A, an ejection mechanism and a guide groove, wherein the ejection mechanism and the guide groove are arranged at the tail end of a belt conveyor B; the packaging bag opening device is provided with a fixed rack B, a straight line module A which is vertically arranged is arranged on the upper side of the fixed rack B, and a sliding table of the straight line module A is connected with a pneumatic sucker C which is horizontally arranged through a switching support A; the lower side of the fixed rack B is provided with a vertically arranged linear module B, the sliding table of the linear module B is connected with a basic lifting platform B through a switching support B, the basic lifting platform B is provided with a plurality of supporting blocks B which are arranged in a staggered manner with each strip on the belt conveyor A, the front end of each supporting block B is provided with a stop pin B, and the end face of the leftmost supporting block B is provided with a plurality of negative pressure suction holes.

As a preferred technical scheme, the automatic material box overturning and feeding device comprises an overturning device arranged at the tail end of the belt conveyor A and a pushing device arranged at the head end of the belt conveyor C; the overturning device is provided with a base A arranged on the support, a hinged seat A is arranged on the lower left side of the base A, a hinged seat B is arranged on the upper right side of the base A, the hinged seat A is hinged with a base of an air cylinder D, the hinged seat B is hinged with an outer groove bottom of an overturning groove A, a telescopic end of the air cylinder D is hinged with an outer side wall on the left side of the overturning groove A, before overturning of the overturning groove A, the inner side wall on the left side of the overturning groove A is flush with a conveying belt of the belt conveyor A, and after the overturning groove A is overturned for 90 degrees, the inner groove bottom of the overturning groove A is flush with the conveying belt of the belt conveyor; the pushing device comprises an air cylinder E arranged on a fastening seat, a push plate A is arranged at the telescopic end of the air cylinder E, the fastening seat is arranged on the right side of the belt conveyor A, and the air cylinder E and the belt conveyor A are arranged in parallel.

As a preferred technical scheme of the invention, the vacuumizing sealing device comprises a left frame and a right frame which are arranged at two sides of a belt conveyor C; a pressing device is arranged on the left frame; the upper side and the lower side of the right rack are correspondingly provided with a vacuumizing device and an electric heating device, and the laminating device and the electric heating device are oppositely arranged on the left and the right; the pressing device comprises a plurality of cylinders F which are horizontally arranged towards the right, the telescopic end of each cylinder F is connected with an adapter, and a strip-shaped pressing block is arranged on the adapter; the vacuum pumping device comprises a plurality of vertical lifting seats which are sequentially arranged side by side along the conveying direction of the belt conveyor C, two vacuum pumping pipes with adjustable intervals are arranged on each vertical lifting seat, the vacuum pumping pipes are vertically arranged, and the lower ends of the vacuum pumping pipes are of flat structures; the electric heating device is provided with a fixed seat, and a strip-shaped electric heating block is arranged on the fixed seat.

As a preferred technical scheme, the folding and packaging device comprises a fixed rack C arranged on the upper side of a belt conveyor C, wherein a clamping device, a horizontal turnover device and a vertical turnover device which are oppositely arranged on the left side and the right side are arranged on the fixed rack C; and the fixing rack C is also provided with a gluing device for packaging the folded packaging bag opening, the gluing device comprises a two-axis manipulator and an automatic adhesive tape machine placed in the bracket, a negative pressure suction nozzle is arranged on the two-axis manipulator, and the two-axis manipulator is used for taking adhesive tape from the automatic adhesive tape machine and packaging the folded packaging bag opening through adhesive tape pasting.

As a preferred technical scheme, the vertical material box lane changing conveying device provided by the invention is provided with a linear module C which is arranged on the left side of the tail end of a belt conveyor C and is transversely arranged, a horizontal moving platform A is arranged on a sliding table of the linear module C, an air cylinder G and a sliding rail which are longitudinally arranged are arranged on the horizontal moving platform A, a sliding seat is assembled on the sliding rail, the sliding seat is connected with one end of a strip-shaped adapter plate, a push plate B is arranged at the other end of the adapter plate, and the telescopic end of the air cylinder G is connected with the adapter plate; a horizontal platform frame is arranged at the inner corner of the belt conveyor C, D, and a left-side turnover device and a right-side linear module D which is arranged along the transverse direction are arranged on the horizontal platform frame; the turnover device comprises a base B, a hinged seat C and a hinged seat D which are correspondingly arranged at the upper left corner and the lower right corner of the base B, a cylinder H and a turnover groove B which is transversely arranged, wherein the left side edge of the turnover groove B is hinged with the hinged seat C, the bottom edge of the turnover groove B is hinged with the telescopic end of the cylinder H, and the base of the cylinder H is hinged with the hinged seat D; the sliding table of the linear module D is provided with a horizontal moving table B, the horizontal moving table B is connected with a push plate C through a switching seat, the push plate C is provided with a yielding bayonet with a downward opening, and the yielding bayonet is correspondingly matched with the right groove edge of the turnover groove B.

As a preferred technical scheme, the automatic loading device for the material box comprises a fixed rack D arranged at the tail end of a belt conveyor D, wherein the belt conveyor D is longitudinally arranged; a transverse pushing device is arranged on the fixed rack D; a fixed rack E arranged corresponding to the fixed rack D is arranged on one side of the belt conveyor D; a lifting platform is arranged on the fixed rack E, a transversely arranged linear module E is arranged on the lifting platform, and a material supporting plate is arranged on a sliding table of the linear module E; the left side and the right side which are far away from one end of the fixed rack D on the lifting platform are respectively provided with a vertically arranged cylinder I, the telescopic end of each cylinder I is provided with a horizontal end plate, each horizontal end plate is provided with a transversely arranged cylinder K, and the telescopic ends of the two cylinders K are correspondingly connected with the two ends of one push plate D.

As a preferred technical scheme, the transverse pushing device comprises a linear module F which is arranged at the top end of a fixed rack D and transversely arranged, a horizontal seat is arranged on a sliding table of the linear module F, a U-shaped support is hung on the lower side of the horizontal seat, and a push plate E which is longitudinally arranged is arranged at the lower end of the U-shaped support.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the existing material box packaging production line is upgraded and improved, and the automatic material box overturning and feeding device and the vertical material box channel-changing conveying device are designed, so that the material box can be horizontally or vertically conveyed between the two belt conveyors, and the occupation of the field space is greatly reduced; meanwhile, automatic feeding and labeling processing of the material bags are sequentially achieved, the material boxes are automatically bagged, bag openings of the bagged packaging bags are automatically packaged, and final automatic loading operation is performed on the packaged products, so that the automatic and standardized production requirements of a production line are met, the packaging production efficiency is improved, and the attractiveness of the packaged products is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic top view of the automatic feeding apparatus for packing bags according to the present invention;

FIG. 3 is a schematic front view of the automatic bag feeder (not including the belt conveyor A);

FIG. 4 is an enlarged partial schematic view at K of FIG. 3;

FIG. 5 is a schematic structural view of a feed block;

FIG. 6 is a schematic structural diagram of the material transferring mechanism for transferring the packaging bags;

FIG. 7 is a schematic view showing an installation structure of the automatic label attaching apparatus for a packing bag according to the present invention;

FIG. 8 is a schematic view of the mounting structure of the labeler and the three-axis mechanical arm on the fixed frame A;

FIG. 9 is a schematic view of the structure of the pneumatic chuck B in cooperation with the base lifting platform A;

FIG. 10 is a schematic view of the installation structure of the automatic material box bagging device according to the invention;

FIG. 11 is a side view schematic of the structure of FIG. 10;

FIG. 12 is a schematic view of the basic platform B of the present invention;

FIG. 13 is a schematic structural view of the automatic material box turning and feeding device according to the present invention;

FIG. 14 is a schematic view of the turning device of the present invention;

FIG. 15 is a schematic view of the construction of the pushing device of the present invention;

FIG. 16 is a schematic view of the vacuum sealing apparatus according to the present invention;

FIG. 17 is a side view schematic of the structure of FIG. 16;

FIG. 18 is a schematic view of the vacuum extractor and the electric heater on the right frame according to the present invention;

FIG. 19 is a schematic view of the vacuum extractor and the electric heater on the right frame according to another aspect of the present invention;

FIG. 20 is an enlarged partial view of FIG. 18 at K;

FIG. 21 is a side view of the folded packaging device of the present invention;

FIG. 22 is a schematic top view of the foldable packaging unit (not including the fixed frame C);

fig. 23 is a schematic perspective view of the folding and packaging device (without the fixed frame C);

FIG. 24 is an enlarged partial schematic view at K of FIG. 23;

FIG. 25 is a schematic structural view of a vertical lane-changing conveyor for material boxes according to the present invention;

FIG. 26 is a perspective view of the turnover tank B mounted on the base B;

FIG. 27 is a front view schematically showing the structure of the inversion tank B mounted on the base B in the present invention;

fig. 28 is a schematic structural view of the automatic loading device of the material box in the invention;

fig. 29 is a schematic top view of the automatic loading device for material boxes in the invention;

fig. 30 is a schematic view of the mounting structure of each component on the fixed frame D.

In the figure: 1-belt conveyor A, 2-belt conveyor B, 3-belt conveyor C, 4-belt conveyor D, 5-automatic bag feeding device, 6-automatic bag label attaching device, 7-automatic material box bagging device, 8-automatic material box overturning and feeding device, 9-vacuumizing and sealing device, 10-folding and packaging device, 11-vertical material box lane changing and conveying device, 12-automatic material box loading device, 13-three-station bogie, 13 a-turntable, 13B-feeding frame, 13C-speed reducing motor, 14-guide and support material tray, 15-guide rod, 16-induction sheet, 17-approach switch, 18-clearance opening, 19-lifting ejector rod, 20-screw rod transmission mechanism, 21-sliding seat, 22-cross arm, 23-air cylinder A, 24-pneumatic suction cup A, 25-room body, 26-ear cover, 27-vertical support, 28-fixed frame A, 29-cylinder B, 30-basic lifting platform a, 31-pallet a, 32-cylinder C, 33-adapter plate, 34-stop pin a, 35-labeling machine, 36-three-axis mechanical arm, 37-pallet, 38-pneumatic suction cup B, 39-guide rail, 40-push-pull trolley, 41-guide groove, 42-fixed frame B, 43-linear module a, 44-adapter support a, 45-pneumatic suction cup C, 46-linear module B, 47-adapter support B, 48-basic lifting platform B, 49-pallet B, 50-stop pin B, 51-negative pressure suction hole, 52-ejection mechanism, 53-support, 54-base a, 55-hinged seat a, 56-hinged seat B, 57-cylinder D, 58-turnover groove a, 59-fastening seat, 60-cylinder E, 61-push plate a, 62-left frame, 63-right frame, 64-cylinder F, 65-adapter seat a, 66-press block, 67-vertical lifting seat, 68-a vacuum tube, 69-a fixed seat, 70-an electric heating block, 70 a-a resistance wire, and 70 b-asbestos cloth; 71-lifting rack, 72-vertical guide seat, 73-vertical guide rail, 74-fixed frame C, 75-movable clamping plate, 76-fixed clamping plate, 77-two-axis manipulator, 78-bracket, 79-automatic gumming machine, 80-negative pressure suction nozzle, 81-first longitudinal linear module, 82-adapter B, 83-first transverse linear module, 84-horizontal push plate, 85-longitudinal cylinder, 86-vertical push plate, 87-relief port, 88-feeding arm, 89-linear module C, 90-horizontal moving platform A, 91-cylinder G, 92-slide rail, 93-slide seat, 94-strip adapter plate, 95-push plate B, 96-horizontal platform rack, 97-linear module D, 98-base B, 99-hinge seat C, 100-hinge seat D, 101-cylinder H, 102-turnover groove B, 103-horizontal moving platform B, 104-adapter C, 105-push plate C, 106-relief bayonet, 107-fixed frames D, 108-fixed frames E, 109-lifting platform, 110-linear modules E, 111-material supporting plate, 112-air cylinders I, 113-horizontal end plate, 114-air cylinders K, 115-push plate D, 116-linear modules F, 117-horizontal seat, 118- (U) -shaped bracket, 119-push plate E, 120-arc guide piece, 121-permanent magnet and 122-truck.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation. Wherein like reference numerals refer to like parts throughout.

In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning 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. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific instances, and furthermore, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

As shown in fig. 1, the invention provides an automatic material box packaging production line, which comprises a belt conveyor a1, a belt conveyor B2, a belt conveyor C3 and a belt conveyor D4, wherein the belt conveyors B2 and C3 are arranged on the left side and the right side of a belt conveyor a1 side by side, the belt conveyor C3 and the belt conveyor a1 are arranged in a head-to-tail opposite manner, and the belt conveyor D4 and the belt conveyor C3 are arranged in a head-to-tail opposite manner and in a vertical manner; the conveyor belt of the belt conveyor A1 consists of a plurality of belts arranged at equal intervals; an automatic packaging bag feeding device 5, an automatic packaging bag label attaching device 6 and an automatic material box bagging device 7 are sequentially arranged on the belt conveyor A1 along the conveying direction of the belt conveyor A1, wherein the belt conveyor B2 is used for conveying material boxes, and the automatic material box bagging device 7 is arranged between the belt conveyors A1 and B2; a material box automatic turning and feeding device 8 which is used for turning over the bagged material boxes by 90 degrees and realizing parallel transfer between the two belt conveyors is arranged between the belt conveyors A1 and C3; a vacuumizing sealing device 9 and a folding sealing device 10 which are used for sequentially vacuumizing, sealing and folding and packaging the packaging bags containing the material boxes are arranged on the belt conveyor C3 along the conveying direction; a material box vertical channel-changing conveying device 11 which is used for turning the packaged material boxes 90 degrees again and vertically transferring the packaged material boxes between the two belt conveyors is arranged between the belt conveyors C3 and D4; the tail end of the belt conveyor D4 is provided with an automatic material box loading device 12.

Further, referring to fig. 2, 3 and 4, the automatic bag feeding device 5 in this embodiment includes a three-position bogie 13 for containing the bags and a transfer machine for transferring the bags in the three-position bogie 13 to a belt conveyor a 1; the three-station bogie 13 is provided with three feeding frames 13b which are uniformly distributed along the circumference and are arranged on a rotary disc 13a, the rotary disc 13a is in driving connection with a speed reducing motor 13c, and a material supporting disc 14 and a guide rod 15 for guiding the material supporting disc 14 to ascend and descend are arranged in the feeding frames 13 b; the lower side of each feeding frame 13b is provided with an induction sheet 16, and the outer side of the three-station bogie 13 is provided with a proximity switch 17 matched with each induction sheet 16; the bottom of each feeding frame 13b is provided with a yielding port 18, a lifting ejector rod 19 corresponding to the yielding port 18 is arranged on the ground, and the lifting ejector rod 19 is used for controlling the lifting of the material supporting plate 14; the proximity switch 17 is electrically interlocked with the speed reducing motor 13c and the lifting ejector rod 19 respectively; the material transferring mechanism comprises a screw rod transmission mechanism 20 and a sliding seat 21 driven by the screw rod transmission mechanism 20, wherein the screw rod transmission mechanism 20 and the belt conveyor A1 are vertically arranged; the sliding seat 21 is connected with one end of a cross arm 22, the other end of the cross arm 22 is provided with a vertically arranged air cylinder A23, the telescopic end of an air cylinder A23 is provided with a pneumatic suction cup A24, the pneumatic suction cup A24 is provided with a rectangular frame, and a plurality of pneumatic suction nozzles are arranged along the four sides of the rectangular frame.

In this embodiment, the three-station bogie 1 is arranged in the house body 25; the rotary disc 13a is in a gear-shaped structure, and a transmission gear meshed with the rotary disc 13a is arranged at the output end of the speed reducing motor 13 c; the lifting ejector rod 19 can be a lifting cylinder, an electric push rod or a screw rod driven by a stepping motor to do lifting movement; referring to fig. 5, four guide rods 15 are arranged, and two guide rods are used as a group and are symmetrically arranged on the left side and the right side of the feeding frame 13 b; ear sleeves 26 matched with each guide rod 15 are arranged at the four corners of the material holding tray 14.

Referring to fig. 6, the feeding operation of the automatic bag feeding device 5 in the present embodiment is as follows: (1) uniformly placing a plurality of layers of packaging bags on a material supporting disc of each station on the three-station bogie, wherein the bag mouth of each station packaging bag is placed towards the central shaft of the turntable; (2) the three-station bogie is driven by a speed reducing motor and performs autorotation operation by taking the central shaft of the turntable as an axis, when a feeding frame of one station of the three-station bogie rotates to the position of a proximity switch, an induction sheet arranged on the lower side of the feeding frame enters a proximity switch induction zone and triggers the proximity switch to send a switch signal, so that the speed reducing motor linked with the feeding frame stops operating, the three-station bogie stops rotating, and meanwhile, the telescopic end of a lifting ejector rod penetrates through a position-giving port and pushes a material supporting disc to perform lifting movement upwards; (3) the screw rod transmission mechanism starts to operate, and the screw rod transmission mechanism drives the sliding seat to slide forwards until the pneumatic sucking disc A is positioned right above the material supporting disc of the station; (4) the air cylinder A is started to operate, the jacking end of the air cylinder A pushes the pneumatic sucker A to move downwards until each pneumatic suction nozzle on the pneumatic sucker A is pressed on the packaging bag; (5) and starting the negative pressure adsorption function by each pneumatic suction nozzle on the pneumatic sucker A, starting the screw rod transmission mechanism to operate again, driving the sliding seat to slide backwards until the pneumatic sucker A adsorbs the packaging bag and operates to the upper side of the belt conveyor A, and closing the negative pressure adsorption function by each pneumatic suction nozzle on the pneumatic sucker A at the moment to realize the transfer of the packaging bag to the belt conveyor A.

Further, referring to fig. 7, 8 and 9, the automatic packaging bag label applying device 6 in this embodiment includes an upright support 27 disposed on the lower side of the belt conveyor a1 and a fixed frame a28 disposed on the right side of the belt conveyor a 1; the vertical bracket 27 is provided with a basic lifting platform A30 driven by a cylinder B29, and the basic lifting platform A30 is provided with a plurality of supporting blocks A31 which are arranged in a staggered manner with each belt on the belt conveyor A1; a vertically arranged air cylinder C32 is arranged on the lower side of the basic lifting platform A30, an adapter plate 33 is arranged at the telescopic end of the air cylinder C32, a plurality of stop pins A34 which are arranged side by side are arranged on the adapter plate 33, and each stop pin A34 is correspondingly matched with a pin hole penetrating through the front end of each support block A31; a plurality of labelers 35 and a three-axis mechanical arm 36 are arranged side by side on a fixed frame a28, each labeler 35 is equipped with a tray 37 for holding labels, and the end of the three-axis mechanical arm 36 is provided with a pneumatic suction cup B38 and is used for transferring the labels on each tray 37 to the upper side of a basic lifting platform a 30.

Referring to fig. 8, the three-axis robotic arm 36 in this embodiment includes a first linear module arranged along the X-axis, a second linear module arranged along the Y-axis, and a rodless cylinder arranged along the Z-axis; a first sliding seat is arranged on the sliding table of the first linear module, and the second linear module is arranged on the first sliding seat; a second sliding seat is arranged on a sliding table of the second linear module, and the rodless cylinder is arranged on the second sliding seat; a sliding block of the rodless cylinder is provided with a switching seat for switching a pneumatic suction cup B38; four groups of guide rails 39 which are arranged side by side are arranged on the fixed rack A28, and the guide rails 39 are vertically arranged with the belt conveyor A1; each group of guide rails 39 is provided with a push-pull trolley 40 for bearing the labeler 35; the tray 37 is provided on the side of the labeler 35 opposite to the belt conveyor a 1.

In this embodiment, the automatic attaching device 6 for the label of the packaging bag has the following working process: firstly, when the belt conveyor A carries out normal conveying on each packaging bag, each support block A on the basic lifting platform A and each strip which is arranged in a staggered mode on the basic lifting platform A are located on the same horizontal plane; when the packaging bags are labeled, the air cylinder C drives each stop pin A to jack upwards so as to stop the packaging bags from being conveyed forwards; in the process, the labeler places the printed label on the tray; then, transferring the label on the tray to the position right above the basic lifting table A through a pneumatic sucker B by a three-axis mechanical arm; and finally, the basic lifting platform A is lifted upwards, the pneumatic sucker B adsorbs the label to move downwards at the same time until the label is attached to the packaging bag, and when the attachment of the label of one packaging bag is finished, each air cylinder restores the original position and prepares for the attachment of the label on the next packaging bag.

Further, referring to fig. 10, 11 and 12, the automatic material box bagging device 7 in this embodiment includes a bag opening device disposed at the tail end of the belt conveyor a1, and an ejection mechanism 52 and a guide groove 41 disposed at the tail end of the belt conveyor B2, where the guide groove 41 is located between the ejection mechanism 52 and the bag opening device, the ejection mechanism 52 may be a push plate driven by a linear module to move laterally, and the linear module is disposed along the vertical direction of the belt conveyor a 1; the packaging bag mouth opening device is provided with a fixed rack B42, a vertically arranged linear module A43 is arranged on the upper side of a fixed rack B42, and a sliding table of the linear module A43 is connected with a horizontally arranged pneumatic suction cup C45 through a switching bracket A44; the lower side of a fixed rack B42 is provided with a vertically arranged linear module B46, a sliding table of a linear module B46 is connected with a basic lifting table B48 through a switching bracket B47, the basic lifting table B48 is provided with a plurality of supporting blocks B49 which are staggered with each strip on a belt conveyor A1, the front end of each supporting block B49 is provided with a stop pin B50, and each stop pin B50 is controlled by a matched air cylinder to perform telescopic action; the end surface of the leftmost support block B49 is provided with a plurality of negative pressure suction holes 51.

The working process of the automatic material box bagging device 7 in the embodiment is as follows: firstly, correspondingly and sequentially conveying packaging bags and material boxes side by side on a belt conveyor A and a belt conveyor B, wherein all support blocks B on a basic lifting platform B on the belt conveyor A and all strips of the basic lifting platform B which are arranged in a staggered manner are positioned on the same horizontal plane; when a packaging bag is conveyed to the packaging bag opening device, each stop pin B is driven by a matched air cylinder to jack upwards, the stop pin B stops the packaging bag from being conveyed forwards continuously, and the basic lifting platform B is driven by the linear module B to lift up the packaging bag to be flush with the guide groove; then, the pneumatic sucker C moves downwards under the driving of the linear module A until each pneumatic suction nozzle on the pneumatic sucker C is attached to the upper side surface of the packaging bag; then, starting a negative pressure system connected with each pneumatic suction nozzle on the pneumatic suction cup C and each negative pressure suction hole on the end surface of the supporting block B, and driving the pneumatic suction cup C to move upwards under the driving of the linear module A, so that the bag opening of the packaging bag is opened; then, when a material box is conveyed to the tail end of the belt conveyor B, the material box on the belt conveyor B is pushed into a packaging bag by an ejection mechanism; and finally, stopping the operation of the negative pressure system connected with the pneumatic sucker C and each negative pressure sucking hole, and restoring each linear module and the cylinder to the original position to prepare for the bagging operation of the next material box.

Further, referring to fig. 13, 14 and 15, in the embodiment, the material box automatic turning and feeding device 8 includes a turning device disposed at the tail end of the belt conveyor a1 and a pushing device disposed at the head end of the belt conveyor C3; the overturning device is provided with a base A54 arranged on the bracket 53, a hinged seat A55 is arranged at the lower left of the base A54, a hinged seat B56 is arranged at the upper right of the base A54, a hinged seat A55 is hinged with the base of an air cylinder D57, a hinged seat B56 is hinged with the outer groove bottom of an overturning groove A58, the telescopic end of an air cylinder D57 is hinged with the outer side wall at the left side of the overturning groove A58, the inner side wall at the left side of the overturning groove A58 is flush with the conveying belt of the belt conveyor A1 before the overturning groove A58 overturns, and the inner groove bottom of the overturning groove A58 is flush with the conveying belt of the belt conveyor C3 after the overturning groove A58 is overturned at 90 degrees; the pushing device comprises an air cylinder E60 arranged on a fastening seat 59, a push plate A61 is arranged at the telescopic end of the air cylinder E60, the fastening seat 59 is arranged on the right side of a belt conveyor A1, and the air cylinder E60 and the belt conveyor A1 are arranged in parallel.

Further, referring to fig. 16, 17 and 18, the vacuum sealing apparatus 9 in this embodiment has a left frame 62 and a right frame 63 disposed on both sides of the belt conveyor C3; a pressing device is arranged on the left frame 62; a vacuumizing device and an electric heating device are correspondingly arranged on the upper side and the lower side of the right rack 63, and the laminating device and the electric heating device are oppositely arranged on the left side and the right side; the pressing device comprises a plurality of air cylinders F64 which are horizontally arranged towards the right, the telescopic end of each air cylinder F64 is connected with an adapter A65, and a strip-shaped pressing block 66 is arranged on the adapter A65; the vacuumizing device comprises a plurality of vertical lifting seats 67 which are sequentially arranged side by side along the conveying direction of the belt conveyor C3, each vertical lifting seat 67 is provided with two vacuumizing pipes 68 with adjustable intervals, the vacuumizing pipes 68 are vertically arranged, and the lower ends of the vacuumizing pipes 68 are in a flat structure; the electric heating device has a fixed seat 69, and a strip-shaped electric heating block 70 is mounted on the fixed seat 69.

In the embodiment, each air cylinder F64 in the pressing device is arranged on a lifting rack 71 in the left frame 62, and the lifting rack 71 can vertically lift and descend in the left frame 62; the back surfaces of the vertical lifting seat 67 and the fixed seat 69 are respectively provided with a vertical guide seat 72, the vertical guide seats 72 are matched with a vertical guide rail 73 arranged on the right rack 63, and the vertical lifting seat 67 and the fixed seat 69 are respectively controlled by a set of mutually independent screw rod transmission mechanisms and do lifting motion along the vertical guide rail 73, see fig. 18 and 19; the pressing block 66 is made of rubber, and the electric heating block 70 is made of a resistance wire 70a and asbestos cloth 70b wrapped outside the resistance wire 70a, see fig. 20.

The working process of the vacuum sealing device 9 in this embodiment is as follows: firstly, adjusting the horizontal heights of a pressing block and an electric heating block according to the size of a material box conveyed on a belt conveyor C and the size of a seal of a packaging bag of the material box, adjusting the distance between two vacuumizing pipes to be slightly smaller than the width of the bag opening of the packaging bag, ensuring that the pressing block and the electric heating block are horizontally arranged oppositely, and electrifying a resistance wire on the electric heating block to preheat the electric heating block; then, when the material box is conveyed between the pressing block and the electric heating block, the material box is controlled to descend through a screw rod transmission mechanism arranged on the vertical lifting seat until the lower ends of the two vacuumizing pipes are inserted into the packaging bag; then, starting the pressing device to press the upper bag opening of the packaging bag on the electric heating block by the pressing block; then, a negative pressure system connected with the vacuumizing tube is connected, the packaging bag is vacuumized, and the vertical lifting seat is controlled to gradually move upwards while vacuumizing is completed until the vacuumizing tube is pumped out of the packaging bag; and finally, continuously carrying out hot pressing on the upper bag opening of the packaging bag for a period of time, and then recovering the original position to prepare for the sealing operation of the next packaging bag.

Further, referring to fig. 21, 22, 23, and 24, in the present embodiment, the folding and packaging apparatus 10 has a fixed frame C74 disposed on the upper side of the belt conveyor C3, and a clamping device, a horizontal folding device and a vertical folding device disposed on the fixed frame C74 and opposite to the left and right are mounted on the fixed frame C74, the clamping device is composed of a movable clamping plate 75 and a fixed clamping plate 76 disposed on both sides of the belt conveyor C74, and the horizontal folding device and the vertical folding device are used for sequentially folding the bag mouth horizontally and vertically downward; the fixed rack C74 is also provided with a gluing device for packaging the folded packaging bag mouth, the gluing device comprises a two-axis manipulator 77 and an automatic adhesive tape machine 79 placed in the bracket 78, the two-axis manipulator 77 is provided with a negative pressure suction nozzle 80, and the two-axis manipulator 77 is used for taking adhesive tape from the automatic adhesive tape machine 79 and packaging the folded packaging bag mouth through adhesive tape pasting.

In this embodiment, the horizontal folding device has a first longitudinal linear module 81, an adapter B82 is installed on a sliding table of the first longitudinal linear module 81, a first transverse linear module 83 is installed on the lower side of the adapter B82, and the sliding table of the first transverse linear module 83 is connected with the horizontal push plate 84; the vertical turnover device is provided with a longitudinal cylinder 85 with a downward telescopic end, a vertical push plate 86 is arranged at the telescopic end of the longitudinal cylinder 85, and the vertical push plate 86 is provided with a yielding hole 87 for the negative pressure suction nozzle to pass through; the two-axis manipulator is provided with a screw rod transmission mechanism driven along the vertical direction, a vertical sliding seat is arranged on a sliding table of the screw rod transmission mechanism A, a screw rod transmission mechanism B driven along the horizontal direction is arranged on the vertical sliding seat, a feeding arm 88 horizontally arranged is arranged on the sliding table of the screw rod transmission mechanism B, and the negative pressure suction nozzle 80 is arranged at the tail end of the feeding arm 88.

In this embodiment, the horizontal push plate 84 and the vertical push plate 86 are provided with two corresponding front and rear pushing stations; the feeding arm 88 is of a Y-shaped fork head structure, and a negative pressure suction nozzle 80 is arranged at each fork head end of the feeding arm 88; the carriages 78 are arranged side by side, and the automatic gumming machine 79 is installed in each carriage 78.

The operation of the folding and packaging device 10 in this embodiment is as follows: firstly, when two material boxes conveyed side by side are conveyed to a position between a movable clamping plate and a fixed clamping plate of a clamping device, the clamping device clamps the two material boxes; then, the bag openings of the packaging bags of the two material boxes are turned rightwards at 90 degrees by the front material pushing station and the rear material pushing station on the horizontal push plate; then, the bag openings of the packaging bags of the two material boxes are turned downwards by 90 degrees by the vertical push plate; and finally, the two-axis manipulator is used for taking adhesive paper from the automatic adhesive paper machine and packaging the folded bag opening of the packaging bag through adhesive paper pasting, namely, the negative pressure suction nozzle adsorbs the adhesive paper and the folded bag opening of the packaging bag and the bag body are pasted into a whole after the adhesive paper penetrates through the position-giving opening under the driving of the two-axis manipulator, so that the final packaging operation is completed.

Further, referring to fig. 25, fig. 26, and fig. 27, in this embodiment, the material box vertical lane changing conveying device 11 includes a linear module C89 arranged transversely on the left side of the tail end of the belt conveyor C3, a horizontal moving table a90 is installed on a sliding table of the linear module C89, a cylinder G91 and a sliding rail 92 arranged longitudinally are installed on the horizontal moving table a90, a sliding seat 93 is installed on the sliding rail 92, the sliding seat 93 is connected to one end of a strip adapter plate 94, a push plate B95 is installed at the other end of the strip adapter plate 94, and a telescopic end of the cylinder G91 is connected to the strip adapter plate 94; a horizontal platform frame 96 is arranged at the inner corners of the belt conveyors C3 and D4, and a left-side turnover device and a right-side transversely-arranged linear module D97 are arranged on the horizontal platform frame 96; the turnover device comprises a base B98, a hinged seat C99, a hinged seat D100, a cylinder H101 and a turnover groove B102 which is transversely arranged, wherein the hinged seat C99 and the hinged seat D100 are correspondingly arranged at the upper left corner and the lower right corner of the base B98, the left side edge of the turnover groove B102 is hinged with the hinged seat C99, the bottom edge of the turnover groove B102 is hinged with the telescopic end of the cylinder H101, and the base of the cylinder H101 is hinged with the hinged seat D100; a horizontal moving platform B103 is arranged on the sliding table of the linear module D97, the horizontal moving platform B103 is connected with a push plate C105 through a transfer seat C104, an abdicating bayonet 106 with a downward opening is arranged on the push plate C105, and the abdicating bayonet 106 is correspondingly matched with the right groove edge of the turnover groove B102.

In this embodiment, the working process of the material box vertical lane changing conveying device 11 is as follows: (1) controlling the overturning groove B to overturn by 90 degrees leftwards by the axis of the hinge seat C under the driving of the air cylinder H, arranging the notch of the overturning groove B leftwards after the overturning groove B is overturned in place, and enabling the left side groove edge of the overturning groove B to be flush with the conveying belt of the belt conveyor C; (2) the cylinder G drives the push plate B to extend rightwards, and after the push plate B extends to the right position, the linear module C drives the horizontal moving platform A to move forwards, so that the first material box is pushed to the left side groove edge of the turnover groove B; (3) controlling the push plate B to retract by the air cylinder G, driving the horizontal moving platform A to return by the linear module C, and pushing a second material box to the left groove side of the turnover groove B in the same manner as in the step (2); (4) controlling the overturning groove B to overturn by 90 degrees rightwards by taking the hinge seat C as an axis, and overturning the two material boxes to the bottom surface of the overturning groove B after the overturning is in place; (5) start sharp module D, by sharp module D drive horizontal migration platform B gos forward to drive push pedal C and go forward, and with two material box propelling movement to belt conveyor D on, and then realized that the material box uses two to carry out the transport of trading perpendicularly for a set of, improved conveying efficiency greatly.

Further, referring to fig. 28, 29 and 30, the automatic material box loading device 12 in this embodiment has a fixed frame D107 disposed at the tail end of a belt conveyor D4, wherein the belt conveyor D4 is arranged longitudinally; a transverse pushing device is arranged on the fixed rack D107; a fixed rack E108 arranged corresponding to the fixed rack D107 is arranged at the right side of the belt conveyor D4; a lifting platform 109 is arranged on the fixed frame E108, a transversely arranged linear module E110 is arranged on the lifting platform 109, and a material supporting plate 111 is arranged on a sliding table of the linear module E110; the left side and the right side of one end, far away from the fixed rack D107, of the lifting platform 109 are respectively provided with a vertically arranged cylinder I112, the telescopic end of each cylinder I112 is provided with a horizontal end plate 113, each horizontal end plate 113 is provided with a transversely arranged cylinder K114, and the telescopic ends of the two cylinders K114 are correspondingly connected with two ends of a push plate D115.

In this embodiment, the transverse pushing device comprises a linear module F116 arranged at the top end of the fixed rack D107 along the transverse direction, a horizontal seat 117 is mounted on a sliding table of the linear module F116, a U-shaped bracket 118 is mounted on the lower side of the horizontal seat 117, and a longitudinally arranged push plate E119 is mounted at the lower end of the U-shaped bracket 118;

in this embodiment, the fixed frame E108 is provided with two left and right arc-shaped guiding pieces 120 on a side back to the fixed frame D107, the two arc-shaped guiding pieces 120 are arranged in a structure like a Chinese character 'ba', and a permanent magnet 121 is respectively arranged on the fixed frame E108 on the inner side of each arc-shaped guiding piece 120.

The working process of the automatic material box loading device 12 in this embodiment is as follows: (1) pushing the frame of the truck 122 to the right side of the fixed frame E, and the truck is drawn to a position aligned with the fixed frame E under the guidance of the magnetic force and the left and right arc-shaped guide pieces so as to receive materials from the material supporting plate; (2) controlling the lifting platform to ascend until the plane of the retainer plate is flush with the conveying belt of the belt conveyor D; (3) when the material boxes are conveyed to the tail end of the belt conveyor D, two material boxes are generally arranged in a group in three rows and are arranged side by side in the state, and at the moment, the six material boxes are regularly pushed to the material supporting plate by the transverse pushing device; (4) unloading, specifically operating as follows: firstly, controlling the cylinder I to act, and jacking up the horizontal end plate so as to enable the push plate D to ascend and ensure that the horizontal height of the lower edge of the push plate D is higher than the height of the top surface of each material box; then, the linear module E acts and drives the material supporting plate to support the six material boxes to move rightwards, when the material supporting plate moves in place and the six material boxes are all positioned on the right side of the push plate D, the cylinder I is controlled to act so as to drive the push plate D to move downwards until the horizontal height of the upper edge of the push plate D is equal to or lower than the height of the top surface of each material box; then, the linear module E acts and drives the retainer plate to move leftwards, so that each material box is separated from the retainer plate successively and is gradually unloaded onto a frame of the truck; when the linear module E drives the retainer plate to move leftwards, the cylinder K is started, and the push plate E is driven by the cylinder K to move rightwards, so that two material boxes at the leftmost side of the retainer plate are also discharged in place.

Furthermore, each linear module involved in the present embodiment can adopt a linear module with a model number of KK8020C-540a1-H0S 1; for each cylinder involved in the embodiment, the rodless cylinder on the three-axis mechanical arm 36 is adopted with the model of ORV25-300, the cylinder E60 for pushing the turnover groove A58 to turn over in the automatic material box turnover feeding device 8 and the cylinder H101 for pushing the turnover groove B102 to turn over in the vertical material box lane changing and conveying device 11 can both adopt a needle-type cylinder with the model of CDJP2D10-15D-M9P, and the cylinder I and the cylinder K in the automatic material box loading device 12 both adopt a duplex cylinder with the model of CXSM32-30-Y7 PV; in addition, the other cylinders adopt standard cylinders with the models of MBKL32-60-MP 9.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic packaging production line for material boxes is characterized by comprising a belt conveyor A, a belt conveyor B, a belt conveyor C and a belt conveyor D, wherein the belt conveyors B, C are arranged on the left side and the right side of the belt conveyor A side by side, the belt conveyor C and the belt conveyor A are arranged in a head-to-tail manner, and the belt conveyor D and the belt conveyor C are arranged in a head-to-tail manner and are arranged vertically; the conveying belt of the belt conveyor A consists of a plurality of belts which are arranged at equal intervals; an automatic packaging bag feeding device, an automatic packaging bag label attaching device and an automatic material box bagging device are sequentially arranged on the belt conveyor A along the transmission direction of the belt conveyor A, wherein the belt conveyor B is used for conveying material boxes, and the automatic material box bagging device is arranged between the belt conveyors A, B; a material box automatic turning and feeding device which is used for turning over the bagged material boxes by 90 degrees and realizing parallel transfer between the two belt conveyors is arranged between the belt conveyors A, C; a vacuumizing sealing device and a folding sealing device which are used for sequentially vacuumizing, sealing and folding and packaging the packaging bags containing the material boxes are arranged on the belt conveyor C along the conveying direction of the belt conveyor C; a material box vertical lane changing conveying device used for turning the packaged material boxes 90 degrees again and realizing vertical transfer between the two belt conveyors is arranged between the belt conveyors C, D; the tail end of the belt conveyor D is provided with an automatic loading device of the material box.

2. The automatic material box packaging production line according to claim 1, wherein the automatic packaging bag feeding device comprises a three-station bogie for containing packaging bags and a material transferring machine for transferring the packaging bags in the three-station bogie to the belt conveyor A; the three-station bogie is provided with three feeding frames which are uniformly distributed along the circumference and are arranged on a turntable, the turntable is in driving connection with a speed reducing motor, and a material supporting plate and a guide rod for guiding the material supporting plate to lift are arranged in the feeding frames; the lower side of each feeding frame is provided with an induction sheet, and the outer side of the three-station bogie is provided with a proximity switch matched with each induction sheet; the bottom of each feeding frame is provided with a yielding port, and a lifting ejector rod corresponding to the yielding port is arranged on the ground and is used for controlling the lifting of the material supporting plate; the proximity switch is electrically interlocked with the speed reducing motor and the lifting ejector rod respectively; the material transferring mechanism comprises a screw rod transmission mechanism and a sliding seat driven by the screw rod transmission mechanism, wherein the screw rod transmission mechanism is vertically arranged with the belt conveyor A; the sliding seat is connected with one end of the cross arm, the other end of the cross arm is provided with a vertically arranged cylinder A, and the telescopic end of the cylinder A is provided with a pneumatic sucker A.

3. The automatic packaging production line for the material boxes according to claim 1 is characterized in that the automatic packaging bag label attaching device comprises a vertical support arranged on the lower side of the belt conveyor A and a fixed rack A arranged on the left side/right side of the belt conveyor A; a base lifting platform A driven by a cylinder B is arranged on the vertical support, and a plurality of supporting blocks A which are arranged in a staggered manner with each belt on the belt conveyor A are arranged on the base lifting platform A; a vertically arranged cylinder C is arranged on the lower side of the basic lifting platform A, an adapter plate is arranged at the telescopic end of the cylinder C, a plurality of stop pins A which are arranged side by side are arranged on the adapter plate, and each stop pin A is correspondingly matched with a pin hole penetrating through the front end of each support block A; a plurality of labelers and a triaxial arm are installed side by side on fixed frame A, and every labeler all is equipped with the tray that is used for bearing the label, and the end of triaxial arm is provided with pneumatic chuck B to be used for shifting the label on each tray to basic elevating platform A's upside.

4. The automatic material box packaging production line according to claim 1, wherein the automatic material box packaging device comprises a packaging bag opening device arranged at the tail end of a belt conveyor A, and an ejection mechanism and a guide groove arranged at the tail end of a belt conveyor B, wherein the guide groove is positioned between the ejection mechanism and the packaging bag opening device; the packaging bag opening device is provided with a fixed rack B, a straight line module A which is vertically arranged is arranged on the upper side of the fixed rack B, and a sliding table of the straight line module A is connected with a pneumatic sucker C which is horizontally arranged through a switching support A; the lower side of the fixed rack B is provided with a vertically arranged linear module B, the sliding table of the linear module B is connected with a basic lifting platform B through a switching support B, the basic lifting platform B is provided with a plurality of supporting blocks B which are arranged in a staggered manner with each strip on the belt conveyor A, the front end of each supporting block B is provided with a stop pin B, and the end face of the leftmost supporting block B is provided with a plurality of negative pressure suction holes.

5. The automatic material box packaging production line according to claim 1, wherein the automatic material box overturning and feeding device comprises an overturning device arranged at the tail end of the belt conveyor A and a pushing device arranged at the head end of the belt conveyor C; the overturning device is provided with a base A arranged on the support, a hinged seat A is arranged on the lower left side of the base A, a hinged seat B is arranged on the upper right side of the base A, the hinged seat A is hinged with a base of an air cylinder D, the hinged seat B is hinged with an outer groove bottom of an overturning groove A, a telescopic end of the air cylinder D is hinged with an outer side wall on the left side of the overturning groove A, before overturning of the overturning groove A, the inner side wall on the left side of the overturning groove A is flush with a conveying belt of the belt conveyor A, and after the overturning groove A is overturned for 90 degrees, the inner groove bottom of the overturning groove A is flush with the conveying belt of the belt conveyor; the pushing device comprises an air cylinder E arranged on a fastening seat, a push plate A is arranged at the telescopic end of the air cylinder E, the fastening seat is arranged on the right side of the belt conveyor A, and the air cylinder E and the belt conveyor A are arranged in parallel.

6. The automatic material box packaging production line according to claim 1, wherein the vacuumizing and sealing device is provided with a left frame and a right frame which are arranged on two sides of a belt conveyor C; a pressing device is arranged on the left frame; the upper side and the lower side of the right rack are correspondingly provided with a vacuumizing device and an electric heating device, and the laminating device and the electric heating device are oppositely arranged on the left and the right; the pressing device comprises a plurality of cylinders F which are horizontally arranged towards the right, the telescopic end of each cylinder F is connected with an adapter, and a strip-shaped pressing block is arranged on the adapter; the vacuum pumping device comprises a plurality of vertical lifting seats which are sequentially arranged side by side along the conveying direction of the belt conveyor C, two vacuum pumping pipes with adjustable intervals are arranged on each vertical lifting seat, the vacuum pumping pipes are vertically arranged, and the lower ends of the vacuum pumping pipes are of flat structures; the electric heating device is provided with a fixed seat, and a strip-shaped electric heating block is arranged on the fixed seat.

7. The automatic packaging production line of the material boxes according to claim 1, characterized in that the folding and packaging device is provided with a fixed rack C arranged on the upper side of the belt conveyor C, the fixed rack C is provided with a clamping device, a horizontal turnover device and a vertical turnover device which are oppositely arranged on the left side and the right side, the clamping device is composed of a movable clamping plate and a fixed clamping plate which are arranged on two sides of the belt conveyor C, and the horizontal turnover device and the vertical turnover device are used for sequentially turning over the bag mouth of the packaging bag horizontally and vertically downwards; and the fixing rack C is also provided with a gluing device for packaging the folded packaging bag opening, the gluing device comprises a two-axis manipulator and an automatic adhesive tape machine placed in the bracket, a negative pressure suction nozzle is arranged on the two-axis manipulator, and the two-axis manipulator is used for taking adhesive tape from the automatic adhesive tape machine and packaging the folded packaging bag opening through adhesive tape pasting.

8. The automatic packaging production line of the material boxes according to claim 1, characterized in that the material box vertical lane changing conveying device is provided with a linear module C which is arranged on the left side of the tail end of a belt conveyor C and is transversely arranged, a horizontal moving platform A is arranged on a sliding table of the linear module C, an air cylinder G and a sliding rail which are longitudinally arranged are arranged on the horizontal moving platform A, a sliding seat is assembled on the sliding rail, the sliding seat is connected with one end of a strip-shaped adapter plate, the other end of the adapter plate is provided with a push plate B, and the telescopic end of the air cylinder G is connected with the adapter plate; a horizontal platform frame is arranged at the inner corner of the belt conveyor C, D, and a left-side turnover device and a right-side linear module D which is arranged along the transverse direction are arranged on the horizontal platform frame; the turnover device comprises a base B, a hinged seat C and a hinged seat D which are correspondingly arranged at the upper left corner and the lower right corner of the base B, a cylinder H and a turnover groove B which is transversely arranged, wherein the left side edge of the turnover groove B is hinged with the hinged seat C, the bottom edge of the turnover groove B is hinged with the telescopic end of the cylinder H, and the base of the cylinder H is hinged with the hinged seat D; the sliding table of the linear module D is provided with a horizontal moving table B, the horizontal moving table B is connected with a push plate C through a switching seat, the push plate C is provided with a yielding bayonet with a downward opening, and the yielding bayonet is correspondingly matched with the right groove edge of the turnover groove B.

9. The automatic material box packaging production line according to claim 1, wherein the automatic material box loading device is provided with a fixed rack D arranged at the tail end of a belt conveyor D, and the belt conveyor D is longitudinally arranged; a transverse pushing device is arranged on the fixed rack D; a fixed rack E arranged corresponding to the fixed rack D is arranged on one side of the belt conveyor D; a lifting platform is arranged on the fixed rack E, a transversely arranged linear module E is arranged on the lifting platform, and a material supporting plate is arranged on a sliding table of the linear module E; the left side and the right side which are far away from one end of the fixed rack D on the lifting platform are respectively provided with a vertically arranged cylinder I, the telescopic end of each cylinder I is provided with a horizontal end plate, each horizontal end plate is provided with a transversely arranged cylinder K, and the telescopic ends of the two cylinders K are correspondingly connected with the two ends of one push plate D.

10. The automatic packaging production line for the material boxes according to claim 9 is characterized in that the transverse pushing device comprises a linear module F which is arranged at the top end of the fixed rack D and transversely arranged, a horizontal seat is arranged on a sliding table of the linear module F, a U-shaped support is hung on the lower side of the horizontal seat, and a push plate E which is longitudinally arranged is arranged at the lower end of the U-shaped support.