CN111232723A

CN111232723A - Reciprocating plastic bag conveying device

Info

Publication number: CN111232723A
Application number: CN202010024778.1A
Authority: CN
Inventors: 毛海玉
Original assignee: Taizhou Haida Plastic Package Co ltd
Current assignee: Taizhou Haida Plastic Package Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-06-05
Anticipated expiration: 2040-01-09
Also published as: CN111232723B

Abstract

The present invention relates to a plastic bag conveying apparatus for stacking and conveying sheet-like plastic bags discharged in sequence, comprising: the bag storage device comprises an output belt, an input belt, a first bearing shell, a baffle, a slideway, a bottom plate, a second bearing shell and a bag storage box; an input belt, a first bearing shell, a baffle plate and a slideway are arranged above the output belt, a second bearing shell is arranged on the inner periphery of the output belt, and a second bearing shell and a bag storage box are arranged below the output belt; according to the invention, the plastic bags are stacked and conveyed in the second receiving shell according to the set number under the condition that the discharging action of the plastic bags is not interrupted by the first receiving shell and the baffle plate, so that the plastic bags are not deviated, slid and deformed, the stacked plastic bags with the set number are stably conveyed, and the baffle plate, the first receiving shell and the second receiving shell work simultaneously through the output belt, so that the integral degree is high, the complexity is reduced, and the reliability of equipment is improved.

Description

Reciprocating plastic bag conveying device

Technical Field

The present invention relates to a plastic bag conveying apparatus for stacking and conveying sheet-like plastic bags discharged in sequence.

Background

In the existing plastic bag manufacturing process, a bag making machine generally manufactures a plastic bag by heat-sealing and cutting a plastic film through a heater and a cutting mechanism; the plastic bags are sequentially discharged after being molded, and the plastic bags are stacked in a set number at the time of discharge and conveyed in a stacked state.

A known stacking and conveying apparatus for a plastic bag making machine includes a conveying conveyor belt, a plurality of receiving bars or a plurality of catching bars provided above the conveying conveyor belt and opposed to a discharge position of a formed plastic bag, the plurality of receiving bars being arranged horizontally at equal intervals, and a plurality of gate bars vertically extending in an up-down direction, the plurality of gate bars being provided between the discharge position of the plastic bag and the receiving bars and arranged at equal intervals in accordance with an arrangement direction of the plurality of receiving bars; when the plastic bags are discharged, the plastic bags collide with the gate rods, the plastic bags fall onto the conveying conveyor belt and are stacked, when the plastic bags are stacked to a set number, the plurality of carrying rods penetrate through the space between the plurality of gate rods and extend to the plastic bag discharging position to carry the subsequently discharged plastic bags, and after the stacked plastic bags are conveyed by the conveying conveyor belt, the plurality of carrying rods retreat to the original position to enable the subsequently discharged plastic bags to fall onto the conveying conveyor belt.

As can be seen from the above-described stacking and conveying apparatus of the conventional plastic bag making machine, plastic bags are stacked in a predetermined number and conveyed in a stacked state, but there is a problem in that the types of plastic bags, if rigid and highly rigid plastic bags are used, can be stacked by dropping onto a conveying conveyor belt and conveyed in a stacked state; if the plastic bag is soft and has low rigidity, the plastic bag may shift, slide, and deform when stacked and transported.

Disclosure of Invention

The present invention has been made in view of the above problems, and an object of the present invention is to provide a plastic bag conveying apparatus for stacking and conveying sequentially discharged sheet-like plastic bags, which can reliably stack and convey even a sheet-like plastic bag having low conveying rigidity.

A reciprocating plastic bag conveying apparatus comprising: the bag storage device comprises an output belt, an input belt, a first bearing shell, a baffle, a slideway, a bottom plate, a second bearing shell and a bag storage box;

the wall surface of the output belt is provided with a first through hole and a second through hole, wherein the first through hole and the second through hole are rectangular, the length of the second through hole is larger than that of the first through hole, and claws are respectively arranged at the ends of the first through hole and the second through hole along the clockwise rotation direction of the output belt;

the claw rods of the two claws are arranged reversely;

the input belt is positioned above the output belt, wherein the end part of the input belt output plastic bag faces the first through hole;

the first bearing shell is a rectangular shell which is communicated up and down, is fixed above the output belt at a certain interval and is opposite to the first through hole;

the baffle is horizontally arranged between the first bearing shell and the output belt through the slideways on the two sides, and the bottom surface of the baffle is provided with a first buckling part;

the first buckling part is buckled with one claw;

the bottom plate is horizontally arranged below the output belt, a strip-shaped through hole II is formed in the middle of the bottom plate, and a blocking plate is arranged at one end of the strip-shaped through hole II;

the second bearing shell is a rectangular shell which is communicated up and down, is arranged at the inner periphery of the output belt and is opposite to the first bearing shell above;

a connecting part is fixed at the lower end of one side wall surface of the second bearing shell close to the blocking plate, and a buckling part II is arranged on the connecting part;

the connecting part is in an L shape which rotates ninety degrees clockwise, the horizontal part of the connecting part is connected with the second bearing shell, and the vertical part of the connecting part extends out of the second strip-shaped through hole to be connected with the second buckling part;

the shape and the placing direction of the buckling part II are the same as those of the buckling part I;

the bag storage box is arranged below the output belt and is connected with one end, opposite to the baffle, of the bottom plate, the bag storage box is connected with the receiving plate through the groove, and the receiving plate is located on the open top face of the bag storage box through the spring in the groove.

In one embodiment, the lower end of one surface of the receiving shell facing the vertical part and the lower claw rod is provided with a downward extending lug, and the wall surface of the baffle plate is provided with a first strip-shaped groove which can be engaged with the lug.

In one embodiment, the torsion spring at the connection part of the connecting part and the claw rod can enable the claw rod to be kept in a horizontal state to pull the first receiving shell or the second receiving shell to move.

In one embodiment, the extension surface of the vertical end of the claw rod is a cambered surface.

Advantageous effects

1. In the technical scheme, the plastic bags are stacked according to the set number under the condition that the plastic bag discharging action is uninterrupted through the bearing shell I and the baffle plate, and the plastic bags are prevented from shifting, sliding and deforming in the output process through the bearing shell II, so that the plastic bags stacked in the set number are stably conveyed.

2. In this technical scheme, the output belt through anticlockwise rotation time baffle with accept the casing and constitute the box body, accept the plastic bag of continuous whereabouts, accept two plastic bags that inside pile up neatly is good of casing simultaneously and shift out to the whole degree of integrating is high, has alleviateed the complexity of equipment, has improved the reliability of equipment when removing the plastic bag.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the output belt structure of the present invention.

FIG. 3 is a top view of a portion of the present invention.

FIG. 4 is a schematic view of the bottom structure of the baffle of the present invention.

FIG. 5 is a schematic view of a lower portion of the present invention.

FIG. 6 is a schematic view of the receiving box of the present invention.

Fig. 7 is a schematic diagram of the movement of the palletized plastic bag according to the present invention.

FIG. 8 is a schematic view of the movement of the removal of the clinker bag of the present invention.

Detailed Description

The present invention is further illustrated in the following description with reference to specific embodiments and the accompanying drawings, wherein the details are set forth in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from the description herein, and it will be readily appreciated by those skilled in the art that the present invention can be embodied in many different forms without departing from the spirit and scope of the invention.

As shown in fig. 1, the reciprocating type plastic bag transferring apparatus includes: the bag storage device comprises an output belt 1, an input belt 2, a first receiving shell 3, a baffle 4, a slideway 5, a bottom plate 6, a second receiving shell 7 and a bag storage box 8;

as shown in fig. 2, a first through hole 11 and a second through hole 12 are formed in the wall surface of the output belt 1, wherein claws 13 are respectively arranged at the ends of the first through hole 11 and the second through hole 12 along the clockwise rotation direction of the output belt 1;

the first through hole 11 is rectangular, the area of the first through hole is slightly larger than that of a plastic bag to be transmitted, and the first through hole is initially positioned at one end of the top surface of the output belt 1;

the length of the second through hole 12 is one time of that of the first through hole 11, one end of the second through hole is close to the first through hole 11, and the other end of the second through hole extends to the bottom surface of the output belt 1;

the claw 13 includes: a connecting portion 131, a claw lever 132;

the connecting portion 131 connects the output belt 1 with the claw lever 132,

the claw rod 132 is horizontally placed in an L shape and is connected with the connecting part 131 through a shaft, wherein a torsion spring is wound on the shaft, one end of the torsion spring is connected with the connecting part 131, and the other end of the torsion spring is connected with the claw rod 132, so that the claw rod 132 can be reset after being overturned;

the claw rods 132 of the two claws 132 are arranged in opposite directions, wherein the claw rod 132 positioned at one end of the first through hole 11 extends along the clockwise rotation direction of the output belt 1, the vertical end part of the claw rod 132 is downward, the claw rod 132 positioned at one end of the second through hole 12 extends along the anticlockwise rotation direction of the output belt 1, and the vertical end part of the claw rod 132 is upward;

the input belt 2 is positioned above the output belt 1, wherein the end part of the input belt 2, which outputs the plastic bag, faces the first through hole 11, a wheel is arranged above the output end part of the input belt 2, and the wheel and the input belt 2 rotate relatively and actively to limit the plastic bag and enable the plastic bag to move to the output belt 1 along a fixed angle;

the first bearing shell 3 is a rectangular shell which is penetrated up and down, is fixed above the output belt 1 at a certain interval and is opposite to the first through hole 11, wherein the horizontal area inside the first bearing shell 3 is the same as that of the first through hole 11, as shown in fig. 3, the height of the wall surface of the first bearing shell 3 facing the input belt 2 is smaller than that of the other three wall surfaces, when a plastic bag moves to the first bearing shell 3, the three higher surfaces of the first bearing shell 3 can block the plastic bag, and the plastic bag is prevented from moving out of the first bearing shell 3;

the baffle 4 is horizontally arranged between the first bearing shell 3 and the output belt 1 through the slideways 5 on the two sides, the baffle 4 is initially positioned on one side of the first bearing shell 3 with the surface of the convex block 31, and the bottom surface of the first bearing shell 3 can be blocked when the baffle 4 slides to the tail end along the slideways 5;

as shown in fig. 4, a first buckling part 42 is arranged on the bottom surface of the baffle 4;

the first buckling part 42 comprises; a first stop block 421 and a second stop block 422;

the first stop block 421 is an inverted right triangle, the first stop block 421 inclines downwards along the end part of the baffle 4, and the lowest point of the first stop block 421 is a fillet;

the second stop block 422 is arranged on one side of the vertical wall surface of the first stop block 421, and the vertical part of the initial claw rod 132 is upwards engaged between the first stop block 421 and the second stop block 422;

the bottom plate 6 is horizontally arranged below the output belt 1, as shown in fig. 5, a strip-shaped through hole II 61 is formed in the middle of the bottom plate 6, the bottom plate 6 is close to the bottom surface of one end of the input belt 2, and blocking plates 62 are respectively arranged on two sides of the strip-shaped through hole II 61;

the second bearing shell 7 is a rectangular shell which is communicated up and down and is arranged on the inner periphery of the output belt 1, the upper end of the second bearing shell 7 is close to the top surface of the inner periphery of the output belt 1 and is opposite to the first bearing shell 3 above, the inner wall of the second bearing shell is vertical up and down, and the lower end of the second bearing shell extends downwards along the second through hole 12 to be connected with the bottom plate 6;

as shown in fig. 6, a connecting portion 71 is fixed at the lower end of one side wall surface of the second receiving housing 7 close to the blocking plate 62, and a second buckling portion 72 is arranged on the connecting portion 71;

the connecting part 71 is in an L shape which rotates ninety degrees clockwise, the horizontal part of the connecting part 71 is connected with the second bearing shell 7, and the vertical part of the connecting part 71 extends out of the second strip-shaped through hole 61 to be connected with the second buckling part 72;

the shape and the placing direction of the second buckling part 72 are the same as those of the first buckling part 42, and a second stop block 721 and a second stop block 722 are arranged, wherein the second stop block 722 is attached to the stop plate 62;

store up bag box 8 and set up in the below of output belt 1, be located the opposite one end of baffle 62 with bottom plate 6 and be connected, and the open top surface of storing up bag box 8 is parallel with bottom plate 6, and wherein store up 8 inner walls of bag box and be equipped with perpendicular decurrent recess, is equipped with the spring in the recess, through the recess, stores up bag box 8 internal connection and accepts board 81, and the rethread spring lets accept board 81 and is located the open top surface of storing up bag box 8.

Further, the lower end of the side of the receiving housing 3 facing the vertical part toward the lower claw rod 132 is provided with a projection 31 extending downward, and the wall surface of the baffle 4 is provided with a bar-shaped groove 41 capable of engaging with the projection 31, so that the plastic bag is thin, and the plastic bag at the lowest part can be prevented from being carried out along the gap between the baffle 4 and the receiving housing 3 when the baffle 4 is separated from the receiving housing 3 by the projection 31.

Further, the torsion spring at the connection between the connection portion 131 and the claw rod 132 enables the claw rod 132 to pull the first receiving housing 3 or the second receiving housing 7 to move in a horizontal state.

Further, the extension surface of the vertical end of the claw rod 132 is a cambered surface, which aims to reduce the friction force between the claw rod 132 and the first stop block 421 or the second stop block 721 when the claw rod 132 is separated from the first stop block 421 or the second stop block 721, so that the claw rod 132 can be better separated.

The working principle of the invention is as follows:

as shown in fig. 7, the input belt 2 moves the plastic bag towards the first receiving shell 3, the plastic bag horizontally falls along the first receiving shell 3, enters the second receiving shell 7 along the first through hole 11, and finally is attached to the top surface of the bottom plate 6, the plastic bag is stacked in the second receiving shell 7 through the action of the plastic bag connection, when the plastic bag is stacked to a certain height, as shown in fig. 8, the output belt 1 rotates anticlockwise, firstly, when the plastic bag is not separated from the upper wheel of the input belt 2, the baffle plate 4 is quickly pulled by the end claw 13 at the first through hole 11 to block the bottom surface of the first receiving shell 3 to form a box body, the baffle plate 4 receives the falling plastic bag, meanwhile, the output belt 1 continues to rotate anticlockwise, as the baffle plate 4 reaches the tail end of the slideway 5 and cannot continuously slide, the claw rod 132 on the end claw 13 at the first through hole 11 rotates along the round corner at the lowest point of the baffle plate 421, then the end claw 13 of the through opening two 12 moves to the lower part of the output belt 1, the claw rod 132 of the end claw 13 of the through opening two 12 moves upwards at the moment, the vertical end moves to the buckling part two 72 along the strip-shaped through opening two 61 of the bottom plate 6, the claw rod 132 turns downwards along the inclined wall surface of the blocking block two 721 and then is buckled upwards between the blocking block two 721 and the blocking block two 722, the blocking block two 722 and the section of the through opening two 12 push the wall surface of the receiving shell two 7 through the claw rod 132, the receiving shell two 7 moves towards the bag storage box 8, the receiving shell two 7 gradually moves to the right above the bag storage box 8, the output belt 1 stops, the plastic bag after stacking gradually fits with the receiving plate 81 in the process, so that the receiving plate 81 gradually increases the weight and moves downwards, when the stacked plastic bag is completely fitted with the receiving plate 81, the receiving plate 81 moves to the lower part of the plastic bag through the weight of the stacked plastic bag, at this moment, the output belt 1 rotates clockwise, the end claw 13 of the second through hole 12 pulls the second receiving shell 7 to move reversely, when the second blocking block 722 is attached to the blocking plate 62, the claw rod 132 turns downwards along the fillet at the lowest point of the second blocking block 721 to separate from the second buckling part 72, the second receiving shell 7 stops, meanwhile, the end claw 13 of the first through hole 11 is buckled with the first buckling part 42 again to push the baffle 4 to separate from the first receiving shell 3, the baffle 4 returns to the initial position, and the cross section of one end of the second through hole 12 is attached to the wall surface of the second receiving shell 7, so that few layers of stacked plastic bags in the first receiving shell 3 horizontally fall into the second receiving shell 7, and meanwhile, the input belt 2 continuously inputs the plastic bags to the first receiving shell 3.

Claims

1. A reciprocating plastic bag conveying apparatus comprising: the bag storage device comprises an output belt (1), an input belt (2), a first bearing shell (3), a baffle (4), a slide way (5), a bottom plate (6), a second bearing shell (7) and a bag storage box (8);

the method is characterized in that: a first through hole (11) and a second through hole (12) are formed in the wall surface of the output belt (1), and claws (13) are respectively arranged at the end parts of the first through hole (11) and the second through hole (12);

the input belt (2) is positioned above one end of the output belt (1);

the first bearing shell (3) is a rectangular shell which is penetrated up and down and is arranged above the first penetrating opening (11);

the baffle (4) is horizontally arranged between the bearing shell I (3) and the output belt (1) through the slideways (5) on the two sides, and a buckling part I (42) is arranged on the bottom surface of the baffle (4);

the bottom plate (6) is horizontally arranged below the output belt (1);

the second bearing shell (7) is a rectangular shell which is through up and down, is arranged on the inner periphery of the output belt (1) and is opposite to the first bearing shell (3) above;

a connecting part (71) is fixed at the lower end of the second bearing shell (7), and a second buckling part (72) is arranged on the connecting part (71);

one claw (13) acts on the second buckling part (72), and the other claw (13) acts on the first buckling part (42);

the bag storage box (8) is arranged below the output belt (1) and is connected with one end of the bottom plate (6), and a bearing plate (81) is arranged inside the bag storage box (8).

2. The reciprocating plastic bag conveying apparatus of claim 1, wherein: the lower end of one surface, facing the vertical part, of the first bearing shell (3) and the downward claw rod (132) is provided with a projection (31) extending downwards, and the wall surface of the baffle (4) is provided with a first strip-shaped groove (41) capable of being meshed with the projection (31).

3. The reciprocating plastic bag conveying apparatus of claim 1, wherein: the torsion spring at the joint of the connecting part (131) and the claw rod (132) can enable the claw rod (132) to keep a horizontal shape and pull the first receiving shell (3) or the second receiving shell (7) to move.

4. The reciprocating plastic bag conveying apparatus of claim 1, wherein: the extension surface of the vertical end of the claw rod (132) is an arc surface.