CN212333137U - Plastic bag packaging machine - Google Patents

Abstract

The utility model discloses a plastic bag bagging machine, including frame, framed, conveyor, its characterized in that: the mold frame comprises a mold frame seat and surrounding rods, a bag filling opening is formed in the mold frame seat, the surrounding rods are arranged on two sides of the bag filling opening, a bagging device is arranged in front of the bag filling opening and comprises a push rod and a pushing mechanism, a stop rod device is further arranged on one side of the mold frame and comprises a stop rod and a telescopic driving mechanism, and the stop rod is connected to the telescopic driving mechanism; the bagging device pushes the plastic bags into the mold frame in a bundle, and then the plastic bags are discharged into the packaging bags by the stop lever device and the bag discharging driving mechanism. The utility model has the advantages of simple structure, the stable reliable of dress package work.

Description

Plastic bag packaging machine

Technical Field

The utility model relates to a plastic bag sack filling machine, specific sack filling machine who packs the plastic bag into among the wrapping bag that says so.

Background

The utility model relates to a plastic bag bagging machine, its packing material is the plastic bag of a general use among people's daily life. After the plastic bags are automatically produced by the bag making machine, dozens of plastic bags are generally piled together in a pile, then are folded into long strips by the plastic bag folding machine after being folded for many times, and the long strips of plastic bags are bundled by the bundling device and then are intermittently conveyed out by the conveying device of the plastic bag folding bundling machine. For storage, sale and transport, the bundled plastic bags are also packaged in larger packaging bags, such as woven nylon bags or paper or hemp bags. For a long time, the packing work is finished manually, and the problems of high labor intensity, low efficiency and the like exist. The present applicant has applied a bag loader of application publication No. CN110861795A, which includes a mold frame device, a bag clamping robot, and a robot moving device. But the structure of the bagging machine is complex, the occupied space is large, and the bagging machine cannot be accepted by the market.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a plastic bag packing machine is connected with a plastic bag binding machine, and packs plastic bags conveyed out of the plastic bag binding machine into a packing bag.

In order to realize the technical purpose, the technical proposal of the utility model is that: the utility model provides a plastic bag bagging machine, includes frame, framed, conveyor, its characterized in that: the framed includes framed seat and encloses the pole framed seat on be equipped with the sack filling mouth, enclose the pole setting in the both sides of sack filling mouth the preceding sack filling device that is equipped with, sack filling device include push rod, pushing mechanism one side of framed still is equipped with the pin device, the pin device include pin, flexible actuating mechanism, the pin connect on flexible actuating mechanism.

The surrounding rod is a rod-shaped body and comprises a cylinder, square steel, hexagonal steel and the like. The plurality of surrounding rods are divided into two groups and are arranged on the upper side and the lower side of the bag opening on the die frame seat at intervals respectively, and the space between the surrounding rods forms a die frame gap for the stop rods to be inserted up and down and move back and forth. The external contour of the square cylindrical body formed by the surrounding rods corresponds to the shape and the size of a packaging bag filled with plastic bags, thus forming the die frame of the utility model.

The mould frame seat can be formed by arranging a bag opening on one plate-shaped body or arranging two plate-shaped bodies on a frame at intervals, the bag opening is formed by the interval gap, and each plate-shaped body is respectively provided with a group of surrounding rods; or one group of surrounding rods can be arranged on the rack, the other group of surrounding rods is arranged on the mold frame seat, and the gap between the mold frame seat and the rack is the bag opening.

The enclosing rod can also be made of a plate-shaped body, the upper side of the bag opening on the die frame seat is provided with the plate-shaped body, the lower side of the bag opening on the die frame seat is provided with the plate-shaped body, the plate-shaped body is provided with a plurality of abdicating notches to form a die frame gap, and the solid part adjacent to the die frame gap is essentially the enclosing rod.

Before packaging, the packaging bag is required to be sleeved on the mold frame in advance, the bag opening of the packaging bag faces the mold frame seat, and the bag bottom is positioned at the tail end of the surrounding rod. The die frame can be transversely arranged on the rack from front to back, can be obliquely arranged on the rack, can also be longitudinally arranged on the rack from top to bottom, and the bag opening can be upward or downward; the mould frame can be fixed on the frame or hinged on the frame and driven by the swing mechanism to swing on the frame; the mould frame can also be movably arranged on the frame, after the plastic bag is filled in the mould frame, the mould frame moves on the frame under the driving of the driving mechanism, the surrounding rod is drawn out of the packaging bag, and the plastic bag is discharged into the packaging bag.

As a preferable technical scheme, the mould frame is transversely arranged on the rack from front to back.

The bag opening is a loading opening of the plastic bag, and the plastic bag is pushed into the mold frame by the push rod.

The bagging device is used for pushing the plastic bag into the die frame from the bag opening, and can be arranged on the rack or on a surrounding rod extending forwards out of the bag opening.

As a preferable technical scheme, a plurality of surrounding rods at the lower side of the bag opening extend forwards to form a section, the pushing mechanism is arranged on the extending surrounding rods or the rack, and the push rod is arranged on the surrounding rods in a sliding mode.

The push rod is a rod-shaped body or a plate-shaped body, is connected with the push mechanism, corresponds to the stop lever in a staggered manner, and moves forwards in a state of being basically parallel to the stop lever; the bottom of the push rod can be hinged below the mold frame or on the frame, the push rod corresponds to the gap of the mold frame, the other end of the push rod is connected with the pushing mechanism, and the push rod swings back and forth under the pushing of the pushing mechanism to push the plastic bag into the mold frame. When the mould frame is vertically arranged and the bag opening faces downwards, the push rod can move up and down to push the plastic bag into the mould frame.

The pushing mechanism comprises a cylinder, an electric sliding table, a linear module and other various specific embodiments.

As a preferable technical scheme, the pushing mechanism is a double-stroke cylinder, the double-stroke cylinder is a cylinder capable of realizing two working strokes, and the double-stroke cylinder is formed by connecting two cylinders in series. The double-stroke cylinder can also be a multi-position cylinder, a double-shaft cylinder and the like. And during the first stroke, the push rod is driven to push the plastic bag to the front of the stop lever, the second stroke is carried out after the stop lever is lifted, the plastic bag is pushed to the back of the stop lever, then the first stroke and the second stroke are all released, and the push rod is reset.

As another embodiment of the pushing mechanism, the pushing mechanism is an electric sliding table, the electric sliding table can push the push rod to realize three strokes, the plastic bag is pushed in front of the stop lever in the first stroke, the plastic bag is pushed in back of the stop lever in the second stroke after the stop lever is lifted, and the plastic bag in the mold frame is discharged from the mold frame and pushed into the packaging bag in the third stroke after the mold frame is filled with the plastic bag. With this design, the bag-discharging driving mechanism of the stop lever device can be omitted.

The stop lever device is used for stopping the plastic bag pushed into the mold frame to prevent the plastic bag from rebounding, or is used for discharging the plastic bag in the mold frame into the packaging bag. When the mold frame is transversely arranged, the stop lever device has the function of stopping the plastic bag in the mold frame and also has the function of discharging the plastic bag in the mold frame into the packaging bag; when the mold frame is vertically arranged or obliquely inclined, the plastic bag can not bounce from the bag opening of the mold frame, and the stop lever device is only used for discharging the plastic bag in the mold frame into the packaging bag.

The stop lever device can be arranged on the upper side of the mold frame and also can be arranged on the lower side of the mold frame; if the mold frame is vertically and longitudinally arranged on the frame, the stop lever can be arranged on the front side or the rear side of the mold frame.

The stop lever can be a rod-shaped body or a plate-shaped body, is connected to the telescopic driving mechanism and can move up and down to and fro to be inserted into the die frame, and the stop lever corresponds to the push rod in the gap of the die frame in a vertically staggered manner.

The telescopic driving mechanism comprises a guide rod cylinder, a sliding table cylinder, an electric sliding table and other specific embodiments and is used for driving the stop lever to stretch up and down. When the plastic bag is retracted (lifted), the plastic bag is pushed into the back of the stop lever by the push rod to release the plastic bag, and when the plastic bag is extended, the plastic bag is stopped to prevent the plastic bag from rebounding, and only the plastic bag is allowed to enter but not exit, which is similar to the action of a valve.

Preferably, the telescopic driving mechanism is further connected with a bag discharging driving mechanism. The bag arranging driving mechanism can be connected with the stop lever or the telescopic driving mechanism, can also be connected with the die frame, and can also be contained in a pushing mechanism for pushing the push rod to move, so as to drive the stop lever or the die frame or the push rod to move back and forth, so that the surrounding rod is pulled out of the packaging bag, and the plastic bag in the die frame is arranged in the packaging bag.

The bag arranging driving mechanism comprises a cylinder, an electric sliding table, a linear module, a chain transmission mechanism and the like, and can be selected in various specific embodiments.

The bag arranging driving mechanism is used for arranging the plastic bags in the mold frame into the packaging bags, and the bag arranging movement mode is more, such as: the die frame is arranged on the frame in a sliding manner, and the die frame moves relative to the stop lever under the driving of the bag discharging driving mechanism, so that the plastic bags in the die frame can be discharged into the packaging bags; the other bag arranging movement mode is as follows: after the push rod pushes the plastic bag into the mold frame and the mold frame is filled with the plastic bag, the push mechanism continues to push the push rod to move for a larger distance, and the push rod moves to the tail end of the enclosing rod all the time to push the plastic bag into the packaging bag. In this case, the driving mechanism for driving the mold frame to move or the pushing mechanism for driving the push rod to move to the end of the enclosing rod comprise the bag arranging driving mechanism in the technical scheme of the utility model; in the above-mentioned embodiment in which the mold frame is disposed in a vertically or downwardly inclined manner, although the stop lever is only connected to the telescopic driving mechanism, the mold frame is driven by the driving mechanism to be drawn out of the packaging bag, and the plastic bag in the mold frame is discharged into the packaging bag, the stop lever is equivalent to the practice of the present invention.

Preferably, a supporting plate device is arranged behind the die frame. For holding the bottom of the package.

As an optimized technical scheme, the supporting plate device comprises a supporting plate, a supporting plate moving mechanism and a supporting plate swinging mechanism, wherein a swinging rod mechanism is further arranged at the front end of the supporting plate, the supporting plate moving mechanism is connected to a bracket, the supporting plate is hinged to the bracket, and the swinging mechanism is connected between the bracket and the supporting plate.

In the embodiment that the mold frame is vertically arranged up and down and the opening of the bag faces upwards, the mold frame can move up and down relative to the bottom of the machine frame under the driving of the bag arranging driving mechanism, so that the surrounding rods of the mold frame are pulled out of the packaging bag, the packaging bag is in an upright state or a nearly upright state and stands on the machine frame, and the machine frame supports the bottom of the packaging bag on the mold frame in the bagging process. Therefore, the pallet means is not required in the above embodiment; in addition, the plastic bags are not easy to scatter because the bag openings of the packaging bags face upwards, and a swing rod mechanism is not needed.

The supporting plate moving mechanism comprises a cylinder, an electric sliding table and other specific embodiments and is used for driving the supporting plate and the die frame to move relatively; the swing mechanism comprises a cylinder, a swing cylinder and other various implementation modes and is used for driving the supporting plate to swing backwards relative to the mold frame so as to enable the packaging bag filled with the plastic bag to stand upright, and the plastic bag in the standing packaging bag is not easy to scatter and is convenient to take away.

The swing rod mechanism comprises a swing rod and a swing mechanism and is used for blocking the bag opening of the packaging bag and preventing the plastic bag from scattering from the bag opening of the packaging bag. As a preferred technical scheme, the swing mechanism comprises a rocker arm, a rotating shaft and a cylinder, the rotating shaft is rotatably arranged below the front end of the supporting plate, the swing rod is arranged on the rotating shaft, the rocker arm is arranged at one end of the rotating shaft, and the other end of the rocker arm is connected with the cylinder.

As a preferable technical scheme, a partition piece is further arranged in the mold frame and is arranged on the mold frame seat or one side of the enclosing rod. The isolating piece can be a square body, an L-shaped body or a triangular body and the like, and is used for blocking the upper layer of plastic bag, reducing the lateral pressure of the upper layer of plastic bag to the stop lever and shortening the up-down stroke of the stop lever.

The partition is not essential, and when the mold frame is installed on the frame in a downward inclined manner, the plastic bag can reduce the upward resilient force by its own weight, and the partition can be omitted.

Conveyor for the plastic bag that ties up out on the plastic bag strapper moves and delivers the utility model discloses a bagging apparatus's position, including multiple modes such as conveyer belt, push pedal, manipulator, removal U type groove. Generally, possess conveyor for the plastic bag that will tie up has been carried out on the plastic bag strapper, and can directly carry the bagging apparatus's position, under this condition, although conveyor has installed on the strapper, also should understand above-mentioned device as the utility model discloses technical scheme in conveyor belongs to a technical feature in the utility model discloses technical scheme.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic top view of the structure principle of the embodiment of the present invention;

fig. 3 is a left side schematic view of an embodiment of the present invention;

fig. 4 is a right side schematic view of an embodiment of the invention;

fig. 5 to 12 are schematic diagrams of the working principle and working steps of the embodiment of the present invention.

In the figure: 1-a frame; 11- -a conveying device; 2-surrounding rods; 21-a mold frame seat; 22- -bag-loading mouth; 23- -a spacer; 3- -push rod; 31-a multi-stroke cylinder; 32- -linear bearing; 4- -stop lever; 41-stop lever seat; 42-a cross beam; 43-cylinder; 44-a guide bar; 45-a guide rail; 46-a slide block; 47-cylinder; 5-a supporting plate; 51-a bracket; 52-a cylinder; 53-a guide rail; 54-a slide block; 55-cylinder; 6-oscillating bar; 61- -Oscillating Cylinder; 7-plastic bag; 8-packaging bags.

Detailed Description

In order to fully disclose the technical solution of the present invention, the following detailed description is made by way of example with reference to the accompanying drawings. In the description of the present invention, the left side of the attached figure 1 is the front side of the present invention, and the right side of the attached figure 1 is the back side of the present invention.

Example (b): as shown in fig. 1, 2, 3 and 4, the mold frame comprises a mold frame seat 21 and a plurality of surrounding rods 2, a square bag opening 22 is arranged on the mold frame seat 2, the left and right width of the bag opening 22 is larger than the length of the plastic bag 7, and the upper and lower height of the bag opening 22 is slightly higher than the width of the plastic bag 7; 4 surrounding rods 2 are arranged above the upper side of the bagging opening 22 at intervals, 4 surrounding rods 2 are also arranged on the lower side of the bagging opening 22, each surrounding rod 2 is a cylindrical optical axis, and the distance between each surrounding rod 2 arranged on the lower side of the bagging opening 22 and each surrounding rod 2 arranged on the upper side of the bagging opening 22 is matched with the width of each packaging bag 8; the 4 surrounding rods arranged on the lower side of the bag opening 22 extend forwards to form a section and extend out of the bag opening 22, the corresponding positions between the lower side of the surrounding rod 2 on the upper side and the bag opening 22 are respectively provided with a spacer 23, the spacer 23 can be made into a square shape, the upper and lower heights of the spacer 23 are the distance between the upper side of the bag opening 22 and the lower side of the surrounding rod 2, the width of the spacer is larger than the distance from the rear side of the mold frame seat 21 to the rear side of the stop rod 4, the thickness of the spacer is equal to or smaller than the thickness of the surrounding rod 2, the spacer corresponds to the stop rod 4 in an up-and-down staggered manner, and the up-and-down; installing a mold frame seat 21 on a rack 1, wherein a bag opening 22 faces forwards, a surrounding rod 2 faces backwards, and a mold frame is in a front-back transverse state; two linear bearings 32 are slidably mounted on a section of the surrounding rod 2 extending out of the bag opening 22, push rods 3 are mounted on the linear bearings 32, the push rods 3 are similar to an L shape from the view point of fig. 1, the push rods 3 correspond to the stop rods 4 in a staggered manner, and 3 push rods 3 are mounted on the linear bearings 32 through a connecting plate; a multi-stroke cylinder 31 is connected between the front side of the push rod 3 and the frame 1, the multi-stroke cylinder 31 is composed of two cylinders, namely a cylinder A and a cylinder B, and the tail ends of the cylinder A and the cylinder B are connected in series; as shown in fig. 3 and 4: the telescopic mechanism of the stop lever comprises a stop lever seat 41, guide rods 44, a cylinder 43 and a cross beam 42, wherein the cylinder 43 is arranged at the upper part and the lower part of the middle position of the cross beam 42, the two guide rods 44 are symmetrically and slidably arranged at the two sides of the cylinder 43, the lower ends of the two guide rods 44 and the cylinder rod of the cylinder 43 are arranged on the stop lever seat 41, and the two stop levers 4 are arranged on the stop lever seat 41 in an upward and downward manner, so that the gaps between the stop levers 4 and the surrounding rods 2 are vertically corresponding, vertically staggered corresponding to the push rods 3 and vertically staggered corresponding to the spacers 23; the bag discharging driving mechanism comprises a guide rail 45, a sliding block 46 and an air cylinder 47, and is connected to a cross beam 42 of the telescopic driving mechanism; two guide rails 45 are respectively arranged at the two sides of the upper part of the frame 1 in the front-back direction, sliding blocks 45 are respectively arranged on the two guide rails 46, a cross beam 42 is slidably arranged on the two guide rails 46 through the two sliding blocks 45, an air cylinder 47 is arranged on the cross beam 42, and the other end of the air cylinder 47 is arranged on the frame 1; the supporting plate device comprises a supporting plate 5, a bracket 51, a swing air cylinder 52, guide rails 53, sliders 54 and an air cylinder 55, wherein the two guide rails 53 are arranged on a frame below a surrounding rod 2 in parallel, the two sliders 54 are respectively arranged on the two guide rails 53, the bracket 51 is arranged on 4 sliders 54, the air cylinder 55 is arranged on the bracket 51 in front and back, the other end of the air cylinder 55 is arranged at the front part of the frame 1, an L-shaped supporting plate 5 is arranged, a rotating shaft is arranged on the left and right sides below the rear end of the supporting plate 5, the supporting plate 5 is hinged on the bracket 51 through the rotating shaft on the rear end, the air cylinder 52 is arranged between the supporting plate 5 and the bracket 51, the rotating shaft is arranged on the left and right sides below the front end of the supporting plate 5, two swing rods 6 are arranged on the rotating shaft, the two swing rods 6 respectively correspond to spacing gaps between the surrounding rods 2 and correspond to the stop rods 4 in a, the swing cylinder 61 is connected with the rotating shaft; a throttle valve is installed at an intake port or an exhaust port of the cylinder 55, and the cylinder 55 is adjusted by the throttle valve such that the speed of the backward movement of the pallet 5 is lower than the stopper lever 4.

The specific working process is as follows: as shown in fig. 5, before packaging, a packaging bag (nylon woven bag) is required to be sleeved on the mold frame 2 in advance, then the supporting plate 5 is driven by the air cylinder 55 to move forward to support the bottom of the packaging bag 8, the stop rod 4 moves downwards into the space of the surrounding rod 2 below, and after being conveyed from the conveying device 11, the plastic bag 7 falls onto the surrounding rod 2 between the front surface of the packaging bag opening 22 and the push rod 3 to form the state shown in fig. 5; thereafter, as shown in fig. 6: the air cylinder A of the multi-stroke air cylinder 31 opens the driving push rod 3 to move backwards, and pushes the plastic bag 7 from the bag opening 22 to the front of the stop lever 4; then, the stop lever 4 is driven by the cylinder 43 to move up to the position of the spacer 23, because of the blocking of the spacer 23, the upper layer of the plastic bag 7 already loaded into the mold frame does not contact the stop lever 4, no lateral force is generated to the stop lever 4 at this time, the lower layer of the plastic bag 7 does not move up to the position above the spacer 23, and the stop lever 4 does not need to be lifted up to the mold frame, so as to form the state shown in fig. 7; after the stop lever 4 moves up and is lifted, the cylinder B of the multi-stroke cylinder 31 is also opened, the push rod 3 is driven to push the plastic bag 7 to the back of the stop lever 4, and then the stop lever 4 moves down again to stop the plastic bag 7, so that the state shown in fig. 8 is formed; as shown in fig. 9: fig. 9 is a schematic plan view of the packing work, in which a packing bag 8 (in section) is fitted over the surrounding rods 2, and a plastic bag 7 is disposed between the upper and lower surrounding rods 2 (the upper surrounding rod 2 is omitted), and behind the blocking rods 4, the push rod 3 and the blocking rod 4 in the gap between the surrounding rods 2; as shown in fig. 10: after the plastic bag 7 is filled in the mold frame, the air cylinder 47 opens the driving beam 42 and the stop lever 4 to move backwards together, and the plastic bag 7 in the mold frame and the bag opening end of the packaging bag 8 are pushed backwards in the process that the stop lever 4 moves backwards from the gap between the surrounding rods 2; at this time, the air cylinder 55 is also opened, the driving bracket 51 and the supporting plate 5 also move backwards together along the guide rail 53, because the speed of the backward movement of the supporting plate 5 is slower than that of the stop lever 4, the plastic bag 7 forms a certain clamping force between the stop lever 4 and the supporting plate 5, the clamping force can compact the plastic bag 7 in the packaging bag 8, before the packaging bag 8 carried by the supporting plate 5 leaves the mold frame, the swing air cylinder 61 opens the driving swing rod 6 to swing upwards from the gap between the surrounding rods 2, the bag mouth part of the packaging bag 8 is stopped, and the plastic bag 7 is prevented from scattering from the bag mouth, so that the state shown in fig. 11 is formed; then, the air cylinder 52 is opened to drive the supporting plate 52 to swing upwards and backwards to erect the packaging bags 8 filled with the plastic bags, the bag mouths of the packaging bags 8 face upwards, the plastic bags are not prone to scattering, then the swing air cylinder 61 is released, the swing rods 6 swing backwards to reset, the state shown in fig. 12 is formed, and the packaging work of the plastic bags is completed.

In this technical scheme, framed 2 both can transversely set up from beginning to end, also can vertically set up from top to bottom, and the sack filling opening is down, and bagging apparatus locates below framed seat, the push rod up-and-down motion, upwards push the plastic bag into among the framed. In the embodiment of the longitudinal arrangement, which corresponds to the state shown by the 90 degree rotation of the drawings in the present specification, the skilled person can carry out the embodiment without inventive labor.

Claims (6)

1. The utility model provides a plastic bag bagging machine, includes frame, framed, conveyor, its characterized in that: the framed includes framed seat and encloses the pole framed seat on be equipped with the sack filling mouth, enclose the pole setting in the both sides of sack filling mouth the preceding sack filling device that is equipped with, sack filling device include push rod, pushing mechanism one side of framed still is equipped with the pin device, the pin device include pin, flexible actuating mechanism, the pin connect on flexible actuating mechanism.

2. The plastic bag packing machine according to claim 1, characterized in that: the pushing mechanism is a double-stroke cylinder, the double-stroke cylinder is a cylinder capable of realizing two working strokes, and the double-stroke cylinder is formed by connecting two cylinders in series.

3. The plastic bag packing machine according to claim 1, characterized in that: the telescopic driving mechanism is also connected with a bag arranging driving mechanism.

4. The plastic bag packing machine according to claim 1, characterized in that: and a supporting plate device is arranged behind the die frame.

5. The plastic bag packing machine according to claim 4, characterized in that: the supporting plate device comprises a supporting plate, a supporting plate moving mechanism and a supporting plate swinging mechanism, wherein a swinging rod mechanism is further arranged at the front end of the supporting plate, the supporting plate moving mechanism is connected to the bracket, the supporting plate is hinged to the bracket, and the swinging mechanism is connected between the bracket and the supporting plate.

6. The plastic bag packing machine according to claim 1, characterized in that: the mould frame is also internally provided with a spacer which is arranged on the mould frame seat or on one side of the surrounding rod.

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