CN111098555A

CN111098555A - Three-dimensional bag forming mechanism of paper

Info

Publication number: CN111098555A
Application number: CN202010054541.8A
Authority: CN
Inventors: 欧阳锡聪
Original assignee: Zhejiang Ono Machinery Co Ltd
Current assignee: Zhejiang Ono Machinery Co Ltd
Priority date: 2020-01-06
Filing date: 2020-01-17
Publication date: 2020-05-05

Abstract

The invention discloses a paper three-dimensional bag forming machine, which is characterized in that along with the conveying direction of the paper, a folding mechanism, a welding mechanism, a flanging mechanism, a cutting mechanism, a hemming mechanism, a bag handle bonding mechanism, Indentation die-cutting mechanism, waste rejection mechanism and forming mechanism, the folding mechanism is composed of a folding plate, and the welding mechanism is composed of a pressing wheel and an ultrasonic welder. "-shaped indentation die, and has a longitudinal cutter and a transverse cutter, the rejecting mechanism has an air cylinder, and a push plate is connected to the piston of the air cylinder. The structure of the invention can make the paper through various pretreatments, and then send it to the forming mechanism to be formed into a paper three-dimensional bag. The structure is scientific and reasonable, and the work is stable.

Description

Three-dimensional bag forming mechanism of paper

Technical Field

The invention relates to a three-dimensional bag forming machine, in particular to a paper three-dimensional bag forming machine.

Background

The bag used in daily life generally comprises a non-woven bag and a paper bag, and the non-woven bag is popular with people because of the characteristics of moisture resistance, air permeability, flexibility, light weight, no rib combustion, easy decomposition, no toxicity, no irritation, recycling and the like. The manufacture method is to cut the coiled non-woven fabric into a specification with a proper size, and the non-woven fabric is manufactured by a certain manufacture process, the manufacture process is complex, and the non-woven fabric bag is suitable for serving as an advertisement propaganda belt. However, if the packaging bag is used as a packaging bag, various delicate patterns need to be printed on the non-woven fabric bag, and due to the limitation of the material of the non-woven fabric bag, the printing of various delicate patterns on the bag body is very troublesome due to the limitation of various conditions, and for the packaging bag, the paper bag looks much higher than the non-woven fabric bag, and the three-dimensional effect is strong, and the printing of the delicate patterns on the paper bag is much more convenient than the printing of the non-woven fabric. Therefore, the adoption of an automatic machine to manufacture a paper three-dimensional bag to meet the market demand is a difficult problem which needs to be solved by the technical personnel in the field.

Disclosure of Invention

In view of the problems in the background art, the technical problem to be solved by the invention is to provide a forming machine which can directly form paper into a paper three-dimensional bag through a series of treatments.

Therefore, the invention is realized by adopting the following technical scheme: the bag handle adhering machine is characterized in that a folding mechanism, an edge welding mechanism, a bag handle adhering mechanism, an indentation die cutting mechanism, a waste removing mechanism and a forming mechanism are sequentially arranged along the conveying direction of paper, the folding mechanism is composed of a folding plate, the edge welding mechanism is composed of a pressing wheel and an ultrasonic welder, the indentation die cutting mechanism is provided with a longitudinal indentation knife, a transverse indentation knife and a splayed indentation die, longitudinal and transverse indentation of the paper are respectively carried out, the splayed indentation line is extruded at the longitudinal indentation position, the indentation die cutting mechanism is further provided with a longitudinal cutter and a transverse cutter, the waste removing line mechanism is provided with an air cylinder, a push plate is connected to a piston of the air cylinder, and the paper cut by the longitudinal cutter and the transverse cutter is removed.

The edge welding mechanism and the bag handle bonding mechanism are sequentially provided with a flanging mechanism, a cutting mechanism and an edge covering mechanism, the flanging mechanism is provided with a pair of flanging wheels, the cutting mechanism is provided with an L-shaped cutter to cut the flanging, and the edge covering mechanism is provided with an edge covering plate.

And a heat sealing mechanism is also arranged between the bag handle binding mechanism and the indentation die-cutting mechanism, and the heat sealing mechanism is provided with an upper heat sealing plate moving up and down and a fixed lower heat sealing plate.

The waste rejecting mechanism is arranged on an installation frame of the transverse cutter of the indentation die cutting mechanism and is provided with a waste rejecting frame, the waste rejecting frame is installed on the installation frame, and a waste conveying belt in circulating transmission is installed on the waste rejecting frame.

The other technical scheme of the waste rejecting mechanism of the invention is as follows: the waste rejecting mechanism is located at one end of the paper output end of the indentation die cutting mechanism and is provided with a lifting frame, a lifting cylinder and a waste rejecting cylinder, the lifting frame is connected with a pressing frame, a transmission belt is installed on the pressing frame, the lifting frame is connected with the lifting cylinder, the waste rejecting cylinder is installed on the lifting frame, a push plate is connected onto a push rod of the waste rejecting cylinder, and a waste conveying belt in circulating transmission is arranged below the waste rejecting cylinder.

The bag is cohered the mechanism and is included the organism, it places the axle to the paper tape to install the bag on the organism to installation paper tape fifty percent discount device in the organism, cut the belting, draw the bag to device, bag device and ultrasonic bonding head of buckling, ultrasonic bonding head's top is provided with the briquetting that reciprocates ultrasonic bonding head's upper end is equipped with mobilizable picture peg.

And pressing plates are arranged at two ends of the ultrasonic welding head.

The pressing splayed creasing die is arranged between the longitudinal creasing knife and the transverse creasing knife.

The longitudinal creasing knives are arranged on the cross beam in parallel, and are provided with supporting rollers matched with the longitudinal creasing knives.

The four transverse creasing knives are arranged on a fixed frame through wheel carriers, the fixed frame is fixed on a synchronous belt, the synchronous belt is driven by a motor, and corresponding supporting plates are arranged at the bottom of each transverse creasing knife.

Among the four transverse creasing knives, the wheel carriers of the two transverse creasing knives on two sides can be movably arranged on a linear guide rail, the two transverse creasing knives in the middle are arranged in a staggered way in tandem, a square groove is arranged on the fixed frame, the wheel carriers are arranged in the square groove, and the linear guide rail is in threaded connection with a screw rod.

The other scheme of the bag handle binding mechanism of the invention is as follows: the bag handle bonding mechanism comprises a gluing device and a bag handle connecting device, the bag handle connecting device comprises a machine body, a bag handle paper tape placing shaft is arranged on the machine body, and a paper tape folding device, a tape cutting device, a bag handle pulling device, a bag handle bending device and a paper tape compounding device are arranged in the machine body.

The rubberizing device includes gluey groove, rubberizing wheel and the rubberizing roller that can reciprocate to move up, the rubberizing roller is installed on the pendulum rod, the one end and the eccentric articulated of lower synchronizing wheel of pendulum rod, its other end and last synchronizing wheel eccentric articulated, lower synchronizing wheel adopts synchronous belt drive with last synchronizing wheel to be connected, it is connected with the rubberizing motor to go up the synchronizing wheel.

The paper tape compounding device comprises a compound paper tape placing shaft, a traction wheel, a tape cutting device and a compound paper tape overturning device.

The composite paper tape turning device comprises a sucker, a rotating shaft and a lifting seat, wherein the sucker is arranged on the rotating shaft, the rotating shaft is rotatably arranged on the lifting seat, two ends of the rotating shaft are positioned in S-shaped limiting grooves, the lifting seat is fixed on a synchronous belt, and the synchronous belt is driven by a lifting motor through a synchronous wheel.

The rotating shaft is further connected with an elastic seat, and a suction rod of the sucker penetrates through a hole in the elastic seat to be installed on the rotating shaft.

In the invention, the longitudinal indentation knife, the transverse indentation knife, the splayed indentation die, the longitudinal cutter and the transverse cutter are all arranged on a die plate of the die cutting machine in another installation mode.

The structure of the invention can carry out edge folding and welding on paper, then bond the bag handle on the bag body of the paper bag, then carry out indentation on the bottom part and the side part of the bag, remove redundant paper after being cut by the cutting mechanism, and finally send the paper to the forming mechanism to form the paper three-dimensional bag.

Drawings

The details of the present invention are further described with reference to the accompanying drawings;

FIG. 1 is a view showing the construction of a whole apparatus according to a first embodiment of the present invention;

FIG. 2 is a block diagram of the flanging, welding and flanging mechanisms of the present invention;

FIG. 3 is a block diagram of the cutting mechanism of the present invention;

FIG. 4 is a block diagram of a first embodiment of the bag handle bonding mechanism of the present invention;

FIG. 5 is a view of the other side of the bag bonding mechanism of the present invention as shown in FIG. 4;

FIG. 6 is a side view of the bag handle binding mechanism of the present invention;

FIG. 7 is a structural view of the heat-sealing mechanism of the present invention;

FIG. 8 is a view of the longitudinal creasing blade of the present invention;

FIG. 9 is a view of the installation structure of the transverse creasing blade of the present invention;

FIG. 10 is a structural diagram of the arrangement of the creasing blades of the transverse creasing mechanism of the present invention;

FIG. 11 is a block diagram of an octagonal creasing die of the present invention;

FIG. 12 is a block diagram of a longitudinal cutter of the present invention;

FIG. 13 is a block diagram of a transverse cutter of the present invention;

FIG. 14 is a view of the construction of the present invention after two cross cutters have been assembled;

FIG. 15 is a view showing a structure of a waste removing mechanism provided on a cutter holder of the transverse cutter according to the present invention;

FIG. 16 is a block diagram of the reject mechanism of the present invention;

FIG. 17 is a schematic representation of a sheet prior to processing;

FIG. 18 is a schematic view of a paper sheet after it has been hemmed;

FIG. 19 is a schematic view of the paper after hem welding;

FIG. 20 is a schematic view of the paper after being turned over;

FIG. 21 is a schematic view of a sheet cut with an "L" shaped slit;

FIG. 22 is a schematic view of the paper after being hemmed;

FIG. 23 is a schematic view of the bag handle being bent and about to be inserted between the flange and the bag body;

FIG. 24 is a schematic view of the bag handle welded to the bag body;

FIG. 25 is a schematic view of the flange and bag after heat sealing;

FIG. 26 is a schematic view of a bottom of a bag after indentation;

FIG. 27 is a schematic view of the side of the pouch after being indented;

FIG. 28 is a schematic view of a bottom indentation "splayed" shaped indentation line of a bag;

FIG. 29 is a schematic view of the paper after it has been cut longitudinally;

FIG. 30 is a schematic representation of a paper sheet after cross cutting;

FIG. 31 is a schematic view of the excess paper after reject;

FIG. 32 is a view showing the structure of the formed paper three-dimensional bag;

FIG. 33 is a view showing a structure of the whole apparatus according to the second embodiment of the present invention;

FIG. 34 is a block diagram of an applicator in another embodiment of the bag handle bonding mechanism of the present invention;

FIG. 35 is a structural view of a bag handle connecting device in the bag handle bonding mechanism according to the present invention;

FIG. 36 is a view showing the structure of the turning device for the composite paper bag in the bag binding mechanism according to the present invention;

FIG. 37 is a view showing another direction of the turning device for the composite paper bag in the bag bonding mechanism according to the present invention;

FIG. 38 is a view showing the construction of a reject mechanism at the paper output end of the indentation die cutting mechanism according to the present invention.

Detailed Description

The first embodiment is as follows: referring to the attached drawings, the three-dimensional paper bag forming machine is sequentially provided with a folding mechanism, an edge welding mechanism, a flanging mechanism 3, a cutting mechanism 4, an edge covering mechanism, a bag handle bonding mechanism 6, an indentation die cutting mechanism, a waste removing mechanism and a forming mechanism 10 along with the conveying direction of paper, wherein the indentation die cutting mechanism is provided with an indentation mechanism 8 and a cutting mechanism 9, the folding mechanism is composed of a folding plate 1, the whole roll of paper is placed on a unreeling shaft 11 and is pulled, and the edge of the paper passing through is folded through the folding plate 1 (as shown in fig. 18); the edge welding mechanism consists of a pressing wheel 22 and an ultrasonic welder 21, the folded edge part of the folded paper is arranged between the pressing wheel 22 and the ultrasonic welder 21, and after the pressing wheel 22 presses the folded edge part, the edge of the folded edge part is welded, namely a small part of the folded edge part is integrally welded with the paper (as shown in figure 19); the flanging mechanism 3 is provided with a pair of flanging wheels 31, the welded paper passes through the flanging wheels 31, the flanged part which is not welded is flanged again (as shown in fig. 20) and is conveyed to the cutting mechanism 4, the cutting mechanism 4 is provided with an L-shaped cutter 42, the L-shaped cutter is arranged on a push rod of a cylinder 41, a cutter seat 44 matched with the L-shaped cutter is arranged below the L-shaped cutter, a yielding groove 43 matched with the L-shaped cutter 42 is arranged on the cutter seat 44, when the cylinder 41 works and pushes the L-shaped cutter 42 to pass through the yielding groove 43, the flanging is cut, even if the flanging part is cut off, and the flanging part forms an L-shaped cutting opening (as shown in fig. 21); the edge covering mechanism is provided with an edge covering plate 5, the paper turned over by the edge covering wheel 31, namely the paper with a cut opening, is folded along the trace of the original welding mark again (as shown in figure 22), the paper after edge covering is sent to the bag handle binding mechanism 6, the bag handle binding mechanism 6 comprises a machine body 68, a bag handle paper tape placing shaft 62 is installed on the machine body 68, a bag handle folding device, a belt cutting device 66, a bag handle pulling device 67, a bag handle bending device 69 and an ultrasonic welding joint 611 are installed in the machine body 68, a pressing block 65 moving up and down is arranged above the ultrasonic welding joint 611, and a movable inserting plate 64 is arranged at the upper end of the ultrasonic welding joint 611. After being mounted on a placing shaft 62, a paper tape roll 61 is pulled to a bag handle folding device through a traction roller, the bag handle folding device is composed of a pair of rolling wheels 63, a paper tape passes through a folded plate and then passes between the rolling wheels 63, the paper tape is folded, then the paper tape is sent to a tape cutting device 66 through the traction roller, the tape cutting device 66 is provided with a cutter, the paper tape sent to the position is cut according to the required length, the cut paper tape is clamped through a clamping piece of a bag pulling device 67 and is sent to the upper part of an ultrasonic welding head 611 through the transportation of the bag pulling device, then the bag handle bending device 69 clamps two ends of a bag handle and rotates to form the bag handle into a U-shaped structure, and the bag handle folding, cutting, transporting, steering and ironing the paper tape binding mechanism is the same as the bag handle binding mechanism of a non-woven fabric paper bag machine. Before the bag handle needs to be bent, the movable inserting plate 64 is inserted into the cut flanging edge, the movement of the inserting plate 64 is driven by an inserting plate air cylinder, and the flanging edge at the position is separated from the paper of the paper bag body after the inserting plate 64 is inserted, so that the bag handle can be conveniently inserted; the inserting plate 64 is specially designed for the handle ironing of the paper bag, and is different from a non-woven bag handle ironing machine in the prior art; when the bag handle is bent by the bag handle bending device 69 and inserted, the inserting plate 64 is withdrawn, then the pressing block 65 above the ultrasonic welding joint 611 moves downwards to press the inserted bag handle, and the ultrasonic welding joint 611 works to weld the bag handle between the flanging edge and the bag body (as shown in fig. 24); the two ends of the ultrasonic welding head 611 are also provided with pressing plates 601, and the pressing plates 601 are used for pressing the remaining flanging edge on one side of the cut after cutting, so that the bending insertion of the bag handle is prevented from being influenced by upwarping.

A heat sealing mechanism 7 is further arranged between the bag handle binding mechanism 6 and the indentation mechanism 8, and the heat sealing mechanism 7 is provided with an upper heat sealing plate 71 which moves up and down and a fixed lower heat sealing plate 72. The paper with the welded bag handle is sent to the heat sealing mechanism 7, the upper heat sealing plate 71 of the heat sealing mechanism 7 moves downwards under the action of the heat sealing air cylinder 73, and the turned-over edge and the whole paper are bonded in a heat sealing mode (as shown in figure 25), so that the edge-covered edge is firmly bonded on the bag body, and the later-formed bag body is more attractive.

The creasing mechanism 8 is provided with a longitudinal creasing knife 811 and a transverse creasing knife 821 for creasing the paper in the longitudinal direction and the transverse direction respectively, wherein the longitudinal creasing knife 811 is provided with three parallel transverse beams 812, and is also provided with a supporting roll 813 matched with the longitudinal creasing knife 811, the paper passes between the longitudinal creasing knife 811 and the supporting roll 813 to form creasing lines, the pressing marks pressed by the longitudinal creasing knife 811 are creasing lines of the bottom of the three-dimensional bag, the creasing lines L1 and L2 between the bottom of the bag and the side surface of the paper bag after the paper is creased by the longitudinal creasing knives on two sides, and the creasing line L3 is positioned in the middle of the creasing lines on two sides, and the creasing line can enable the bottom of the paper bag to be folded inwards (as shown in figure 26). After longitudinal creasing, the paper is conveyed to transverse creasing knives, the transverse creasing knives are provided with four creasing wheels, the numbers of which are respectively 821a, 821b, 821c and 821d, the four creasing wheels are all mounted on a fixed frame 822 through a wheel carrier 29, the fixed frame 822 is fixed on a reciprocating synchronous belt 823, the synchronous belt 823 is driven by a motor 824, the bottom of the transverse creasing knife 821 is provided with a corresponding supporting plate 825, the four transverse creasing knives 821a, 821b, 821c and 821d are arranged, wherein the wheel carriers 829 of the two transverse creasing knives 821a and 821d at two sides can be movably mounted on a linear guide rail 826, the two transverse creasing knives 821b and 821c at the middle are staggered in front and back (as shown in figure 10), the fixed frame 822 is provided with a square groove 828, the wheel carrier 829 is arranged in the square groove 828, the linear guide rail 826 is screwed with a screw 827, the thread directions of two ends of the screw 827 are opposite, the distance between the two lateral creasing blades 821a, 821d can be adjusted by turning the screw 827, and the lateral creasing blades 821a, 821d can move with the fixed frame when the fixed frame 822 moves. When the motor 824 is operated, the timing belt 823 reciprocates to make the four creasing wheels 821 reciprocate in the transverse direction of the paper to crease the transverse direction of the paper in cooperation with the support plate 825, and the four

creasing wheels

821a, 821b, 821c and 821d press four creasing lines L4, L5, L6 and L7, wherein the creasing lines L4 and L5 are the creasing lines of the previous paper bag, and the creasing lines L6 and L7 are the creasing lines of the next paper bag, and after the creasing lines are respectively pressed along with the conveying of the paper, the two sides of the paper can be creased to form the creasing lines of a single three-dimensional paper bag (as shown in fig. 27). Of course, when the bag bottom is folded inwards, the crease line is not enough, therefore, the indentation mechanism also comprises an eight-shaped indentation die 831 on the bag bottom, the creasing die 831 is arranged between said longitudinal 811 and transverse 821 creasing knives, the splayed indentation 831 die is provided with two pairs which are opposite in installation direction and are respectively installed between a longitudinal indentation knife 811 and a transverse indentation knife 821 in tandem, a sponge pad 833 is arranged on the soleplate 832 of the splayed indentation die 831, the sponge pad 833 is covered around the splayed indentation die 831, when the upper die 834 descends and contacts with the spongy cushion 833, the spongy cushion 833 is compressed to expose the splayed indentation die 831, after the upper die 834 is completely positioned, one left side and one right side at two ends of the indentation line at the bottom of the paper bag are indented to form splayed indentation lines, and the figure-eight score line is symmetrical about the score line in the middle of the bottom of the bag (as shown in figure 28). It should be noted that in the indentation mechanism of the present invention, the positions of the longitudinal indentation, the transverse indentation, and the splay indentation may be interchanged, and the effects thereof are also the same. The paper after indentation is fed to a cutting mechanism 9, the cutting mechanism 9 has a longitudinal cutter 911 and transverse cutters 921, 931, the longitudinal cutter 911 cuts a part of the paper along the outermost crease line of the bottom of the paper bag (as shown in fig. 29), when the paper is fed to the transverse cutters 921, 931, the transverse cutters have two cutters, one cutter 921 is cut along the inner side of the crease line L4 of the side edge of the leftmost paper bag arranged together, the cutting line is L8, the cutting end point is located at the bottom crease line L1 farther away therefrom, the other cutter 931 is cut along the inner side of the rightmost crease line L6 arranged together, the cutting end point is located at the bottom crease line L2 farther away therefrom (as shown in fig. 31), the excess paper M is cut by the longitudinal cutting and the transverse cutting, the cut paper is fed to a waste removing mechanism, the waste removing mechanism has a waste air cylinder 932, the piston of the waste removing cylinder 932 is connected with a push plate 933, after the waste removing cylinder 932 works, the push plate 933 is pushed, and the paper cut by the longitudinal cutter and the transverse cutter is removed by the push plate 933. Wherein, be equipped with inspection rejects frame 935 on the transverse cutter 921 mounting bracket 93 of cutting the mechanism, install endless drive's waste product conveyer belt 934 on the inspection rejects frame 935. The rejected waste paper falls onto a waste conveyor 934 and is collected after being conveyed 934 by the conveyor.

In the above embodiment, the edge folding mechanism, the edge welding mechanism, the edge flanging mechanism 3, the edge wrapping mechanism, the bag handle binding mechanism 6 and the heat sealing mechanism 7 are symmetrically arranged on two sides of the whole machine frame respectively, and the symmetrical arrangement of the mechanisms is to simultaneously fold, simultaneously weld, simultaneously edge and simultaneously edge, simultaneously edge and simultaneously heat the handle, and simultaneously heat seal the two edges of the conveyed paper. This is determined according to the paper specification and shape when the paper bag is formed. The whole of the three-dimensional bag can be formed.

The paper sheet after the above treatment is sent to a forming mechanism, which is the same as the forming mechanism of the non-woven fabric three-dimensional bag, and is not described herein again, and after passing through the forming mechanism, the formed paper bag is the paper three-dimensional bag (as shown in fig. 32).

Example two: referring to fig. 33-38, this embodiment is with indentation mechanism 8, for cutting mechanism 9 indentation cross cutting mechanism 89a, an indentation cross cutting machine replaces, installs vertical indentation sword, horizontal indentation sword, "eight" style of calligraphy indentation mould, vertical cutter and horizontal cutter simultaneously on the indentation cross cutting machine promptly, will reject the paper output end that the mechanism set up at the indentation cross cutting machine, and it has crane 127, lift cylinder 128, rejects cylinder 932, be connected with on the crane 127 and press the frame 129, press and install drive belt 130 on the frame 129, crane 127 is connected with lift cylinder 128, rejects cylinder 932 installs on crane 127, be connected with push pedal 933 on rejecting cylinder 932's the push rod, rejecting cylinder's below is equipped with 932 circular transmission's waste product conveyer belt 934. When the paper processed by the indentation die-cutting machine is pulled by the traction belt and then reaches the lower part of the transmission belt 130, the lifting cylinder 128 acts to drive the lifting frame 127 to descend, so that the transmission belt 130 on the pressing frame 129 presses the paper, then the waste removing cylinder 932 acts to drive the push plate 933 to push the redundant paper processed by the indentation die-cutting machine, and the redundant paper is pushed to the waste conveying belt 934 to be conveyed away. The bag handle bonding mechanism comprises a gluing device 100 and a bag handle connecting device, the bag handle connecting device comprises a machine body 68, a bag handle paper tape placing shaft 62 is arranged on the machine body 68, and a paper tape folding device, a tape cutting device, a bag handle pulling device, a bag handle bending device and a paper tape compounding device are arranged in the machine body 68; the paper tape folding device, the tape cutting device, the bag handle pulling device and the bag handle bending device are the same as those in the first embodiment and are not described again; the gluing device 100 comprises a glue groove 101, a gluing roller 102 and a gluing roller 103 capable of moving up and down in a reciprocating mode, the gluing roller 103 is mounted on a swing rod 105, one end of the swing rod 105 is eccentrically hinged to a lower synchronous wheel 104, the other end of the swing rod 105 is eccentrically hinged to an upper synchronous wheel 106, the lower synchronous wheel 104 is connected with the upper synchronous wheel 106 in a synchronous belt transmission mode, the upper synchronous wheel 106 is connected with a gluing motor 107, when the gluing motor 107 works, the gluing roller 103 can be driven to move left and right and lift up and down, after the gluing roller 103 moves to be in contact with the gluing roller 102, the gluing roller 103 is enabled to be adhered with viscose glue taken away by the gluing roller 102 from the glue groove 101 and then is contacted with paper passing below the gluing roller after moving, and the viscose glue on the gluing roller 103 is transferred to the paper; the paper tape compounding device comprises a compound paper tape placing shaft 114, a traction wheel 116, a tape cutting device 115 and a compound paper tape overturning device; the composite paper tape turning device comprises a sucker 125, a rotating shaft 124 and a lifting seat 123, wherein the sucker 125 is installed on the rotating shaft 124, the rotating shaft 124 is rotatably installed on the lifting seat 123, two ends of the rotating shaft 124 are positioned in an S-shaped limiting groove 127, the lifting seat 123 is fixed on a synchronous belt 120, and the synchronous belt 111 is driven by a lifting motor 121 through a synchronous wheel; the rotating shaft 124 is further connected with an elastic seat 126, and a suction rod of the suction cup 125 passes through a yielding hole in the elastic seat 126 and is installed on the rotating shaft 124. In this embodiment, the flanging mechanism 3, the cutting mechanism 4 and the edge covering mechanism of the first embodiment are eliminated, and the heat sealing mechanism 7 is eliminated. The specific forming mode of the paper bag is as follows: the paper is folded and welded, the folded width of the folded edge is much smaller than that of the folded edge in the embodiment, and the folded edge is welded, namely, the folded edge is completely welded with the paper bag body, so that the non-welded part is not left like the embodiment; the paper after all the edges are welded is sent to a gluing device 100 of a bag handle binding mechanism to glue two edges of the paper, the glued paper passes through a bag handle connecting device, a paper tape 61 placed on a paper tape placing shaft 62 is folded, cut, pulled and bent to connect a bag handle on the paper, and the mechanical structure of the folding, cutting, pulling and bending part is the same as that of the embodiment. After the bag handle is connected to the paper, the paper tape 113 on the composite paper bag placing shaft 114 is pulled by the pulling wheel 116, cut off by the cutter of the tape cutting device 115, and falls into the groove formed by the side plate 117 after being cut off, and is supported by the supporting strip 119 on the side plate 117, at this time, the lifting motor 121 acts, the lifting seat 123 is driven to ascend through the synchronous belt 120, in the process of ascending of the lifting seat 123, the rotating shaft 124 ascends in the S-shaped limiting groove 127 and rotates 180 degrees, so that the suction cup 125 on the rotating shaft 124 rotates 180 degrees, so that the suction cup sucks the paper tape in the groove, then the lifting motor 121 rotates reversely, so that the lifting seat 123 descends, the suction cup 125 rotates 180 degrees, the paper tape sucked by the suction cup 125 is placed at the gluing position of the paper, after the negative pressure of the suction cup 125 disappears, the lifting seat 123 continues to descend, and continues to bring the elastic seat 126 on the rotating shaft 124 to descend, owing to the effect of the hole of stepping down, sucking disc 125 retracts in the hole of stepping down, make elasticity seat 126 press on the paper tape, compress tightly the paper tape after with gluing and make it bond, make the both sides of bag handle all bond the paper like this, make the bag average the cohesive force, keep the firmness of bag handle, then pass through indentation cross cutting mechanism, once only carry out vertical indentation on the paper, horizontal indentation, "eight" style of calligraphy indentation and vertical cutting and horizontal cutting, and become the required shape of shaping container bag paper, finally pass through container bag forming mechanism, the shaping is three-dimensional bag promptly, this kind of forming means is simpler than embodiment one, the precision is higher, production efficiency is higher.

Claims

1. A paper three-dimensional bag forming machine is characterized in that along with the conveying direction of the paper, a folding mechanism, a welding mechanism, a bag handle bonding mechanism (6), an indentation die-cutting mechanism, a waste rejection mechanism and A forming mechanism (10), the hemming mechanism is composed of a hemming plate (1), the welding mechanism is composed of a pressing wheel (22) and an ultrasonic welder (21), and the indentation die-cutting mechanism (8) It has a longitudinal creasing knife (811), a transverse creasing knife (821) and an "eight"-shaped creasing die (831). Eight"-shaped indentation line, the indentation die-cutting mechanism also has a longitudinal cutter and a transverse cutter, the waste rejection mechanism has a cylinder (932), and a push plate (933) is connected to the piston of the cylinder (932) , and remove the paper cut by the longitudinal cutter (911) and the transverse cutter (921).

2 . The paper three-dimensional bag forming machine according to claim 1 , wherein a flanging mechanism ( 3 ), a cutting mechanism ( 4 ) and a hemming mechanism are arranged between the welding edge mechanism and the bag handle bonding mechanism in sequence. 3 . The flanging mechanism has a pair of flanging wheels (31), the cutting mechanism (4) has an "L"-shaped cutter (42) to cut the flanging, and the hemming mechanism has a hemming plate (5). ).

3. The paper three-dimensional bag forming machine according to claim 2, characterized in that a heat sealing mechanism (7) is further provided between the bag handle bonding mechanism (6) and the die-cutting and creasing mechanism (8), so The heat-sealing mechanism has an upper heat-sealing plate (71) that moves up and down and a fixed lower heat-sealing plate (72).

4 . The paper three-dimensional bag forming machine according to claim 1 , wherein the mounting frame ( 93 ) of the transverse cutter of the indentation die-cutting mechanism ( 8 ) is provided with the rejecting mechanism, the rejecting mechanism. 5 . The reject mechanism has a reject rack (935), the reject rack (935) is mounted on the mounting rack (93), and a circulating drive reject conveyor belt (934) is mounted on the reject rack (935).

5. The paper three-dimensional bag forming machine according to claim 4, characterized in that the waste rejection mechanism is located at one end of the paper output of the creasing die-cutting mechanism, and has a lift frame (127), a lift cylinder (128), a lifter A waste cylinder (932), a pressing frame (129) is connected to the lifting frame (127), a transmission belt (130) is installed on the pressing frame (129), and the lifting frame (127) is connected to the lifting cylinder (128) connection, the rejecting cylinder (932) is installed on the lifting frame (127), a push plate (933) is connected to the push rod of the rejecting cylinder (932), and a lower part of the rejecting cylinder (932) is Scrap conveyor belt (934) with endless drive.

6. The paper three-dimensional bag forming machine according to claim 1, characterized in that the bag handle bonding mechanism (6) comprises a body (68), and a bag handle paper tape placing shaft (68) is installed on the body (68). 62), and install the paper tape folding device (63), the tape cutting device (66), the bag handle device (67), the bag handle bending device (69) and the ultrasonic welding head (611) in the body (68), A pressing block (65) that moves up and down is arranged above the ultrasonic welding head (611), and a movable insert plate (64) is arranged at the upper end of the ultrasonic welding head (611).

7 . The paper three-dimensional bag forming machine according to claim 6 , wherein the two ends of the ultrasonic welding head ( 611 ) are provided with pressing plates ( 601 ). 8 .

8. The paper three-dimensional bag forming machine according to claim 1, characterized in that the "eight"-shaped indentation die (831) is arranged on the longitudinal creasing knife (811) and the transverse creasing knife (821) )between.

9. The paper three-dimensional bag forming machine according to claim 1, characterized in that three longitudinal creasing knives (811) are arranged on the beam (812) side by side, and are provided with the longitudinal creasing knives (811) mating backup roll (813).

10. The paper three-dimensional bag forming machine according to claim 1, characterized in that there are four transverse creasing knives, and they are all installed on the fixing frame (822) through the wheel frame (829), and the fixing The frame (822) is fixed on the timing belt (823), the timing belt (823) is driven by the motor (824), and the bottom of the transverse creasing knife is provided with a corresponding support plate (825).

11. The paper three-dimensional bag forming machine according to claim 10, characterized in that among the four transverse creasing knives (821a, 821b, 821c, 821d), two transverse creasing knives (821a on both sides) , 821d) of the wheel frame (829) can be movably installed on the linear guide rail (826), the middle two transverse indentation knives (821b, 821c) are installed in tandem in a staggered manner, and the fixed frame has a square groove ( 828), and the wheel frame (829) is placed in the square groove (28), and the linear guide rail (826) is screwed with a screw (827).

12. The paper three-dimensional bag forming machine according to claim 1, characterized in that the bag handle bonding mechanism comprises a gluing device and a bag handle connecting device, the bag handle connecting device comprises a body (68), and the body (68) is provided with a bag handle paper tape placing shaft (62), and a paper tape folding device, a tape cutting device, a bag handle device, a bag handle bending device and a paper tape compound device are installed in the body (68).

13. The paper three-dimensional bag forming machine according to claim 12, characterized in that the gluing device comprises a gluing groove (101), a gluing wheel (102) and a gluing roller (103) that can be moved back and forth, The upper rubber roller (103) is mounted on a swing rod (105), one end of the swing rod (105) is eccentrically hinged with the lower synchronizing wheel (104), and the other end is eccentrically hinged with the upper synchronizing wheel (106), so the The lower synchronizing wheel (104) is connected with the upper synchronizing wheel (106) by a synchronous belt, and the upper synchronizing wheel (106) is connected with the gluing motor (107).

14. The paper three-dimensional bag forming machine according to claim 12, characterized in that the paper tape compounding device comprises a compound paper tape placing shaft (114), a traction wheel (116), a tape cutting device (115) and a compound paper tape With flip device.

15. The paper three-dimensional bag forming machine according to claim 14, characterized in that the composite paper tape turning device comprises a suction cup (125), a rotating shaft (124), a lifting seat (123), and the suction cup (125) Installed on the rotating shaft (124), the rotating shaft (124) is rotatably installed on the lifting seat (123), and the two ends of the rotating shaft (124) are located in the "S" shape limit In the groove (127), the lifting seat (123) is fixed on the timing belt (120), and the timing belt (120) is driven by the lifting motor (121) through the timing wheel.

16. The paper three-dimensional bag forming machine according to claim 15, characterized in that an elastic seat (126) is further connected to the rotating shaft (124), and the suction rod of the suction cup (125) passes through the elastic seat (126). 126) is mounted on the rotating shaft (124).

17. The paper three-dimensional bag forming machine according to claim 1, wherein the longitudinal creasing knife, the transverse creasing knife, the "eight"-shaped creasing die, the longitudinal cutter and the transverse cutter are all installed in the on the template of the die-cutting machine.