CN113401407A

CN113401407A - Automatic change plastic bag sack filling machine

Info

Publication number: CN113401407A
Application number: CN202110822918.4A
Authority: CN
Inventors: 王秀来
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-09-17
Also published as: CN113998182A

Abstract

The invention discloses an automatic plastic bag packaging machine, which comprises a rack, a bag clamping mechanical arm and a mechanical arm movement device, and is characterized in that: still including propping bagging apparatus, lifting supporting plate device, prop the bagging apparatus and include fagging, guide rail, slider, prop a bag cylinder, set up the upper portion of frame, lifting supporting plate device include layer board, lift actuating mechanism, the layer board connect on lift actuating mechanism, the setting is in prop below the bagging apparatus. When the bag clamping manipulator clamps the plastic bag and loads the plastic bag into the opened packaging bag, the supporting plate can move downwards along with the loading of the plastic bag by the height of one row of the plastic bag, and the plastic bags in the row are stacked into the packaging bag layer by layer in a reciprocating manner, so that labor and force are saved, and the working efficiency is improved. The invention has simple structure and stable and reliable operation.

Description

Automatic change plastic bag sack filling machine

Technical Field

The invention relates to an automatic plastic bag packaging machine.

Background

The invention relates to an automatic plastic bag packaging machine, wherein a packaging material is a plastic bag commonly used in daily life. After being automatically produced by the bag making machine, the plastic bags are folded for many times by the plastic bag folding machine to form long strips, are bundled by the bundling device and are then intermittently conveyed out by the conveying device. For storage, sale and transportation, the bundled long-sized plate-shaped plastic bags are also packed into a larger packaging bag (e.g., a nylon woven bag). Application publication number CN110861795A discloses a bagging machine, which mainly comprises a frame, a bag clamping manipulator, a manipulator moving device and a mold frame device. In the packaging process, the bag clamping mechanical arm is driven by the mechanical arm movement device to clamp rows of plastic bags from a working position, then the plastic bags are loaded into the mold frame, then the mold frame is sleeved with the packaging bags, and then the plastic bags are discharged from the mold frame and loaded into the packaging bags through procedures of swinging, bag discharging and the like of the mold frame.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides an automatic change plastic bag packagine machine, can strut the plastic bag automatically to in the plastic bag pile up neatly wrapping bag of one row of row, provide a simple structure, reliable and stable operation's an automatic change plastic bag bagging machine.

In order to achieve the technical purpose, the technical scheme of the invention is as follows: the utility model provides an automatic change plastic bag sack filling machine, includes frame, bag clamping machinery hand, manipulator telecontrol equipment, its characterized in that: the machine frame on still be equipped with and prop bagging apparatus, lift layer board device, prop the bagging apparatus and include fagging, guide rail, slider, prop a bag cylinder, set up the upper portion of frame, the lift layer board device include layer board, lift actuating mechanism, the layer board connect on lift actuating mechanism, the setting is in prop below the bagging apparatus.

Preferably, the bag opening device is further provided with an adjusting device. The adjusting device comprises a screw pair, an adjusting hole, an adjustable cylinder and other specific embodiments, and is used for adjusting the left length and the right length of the supporting plate to the positions corresponding to the length of the plastic bag.

Preferably, the adjusting device is a screw pair.

As another embodiment of the adjusting device, the adjusting device is an adjusting hole, the adjusting hole is a long hole or a plurality of round holes, and the adjusting hole can be arranged on the frame, or on the supporting plate or the connecting plate.

In yet another embodiment of the adjusting device, the adjusting device is an adjustable cylinder, and the adjustable cylinder is connected to the guide rail.

Said adjusting means may be omitted, for example: the supporting plates with the lengths corresponding to the lengths of the plastic bags are arranged, and the supporting plates with the corresponding lengths can be replaced when the length specification of the plastic bags is changed.

As the preferred technical scheme, the supporting plate is connected to the guide rail or the sliding block, and the bag supporting cylinder is connected to the guide rail. For convenience of description, the guide rail may be divided into a longitudinal moving guide rail, a transverse moving guide rail and a fixed guide rail according to the installation direction and the installation mode.

As a preferred technical scheme, the guide rails comprise two fixed guide rails, two transverse moving guide rails and a longitudinal moving guide rail, the two fixed guide rails are fixedly arranged on the rack from left to right, and the two transverse moving guide rails and the longitudinal moving guide rail are respectively arranged on the two fixed guide rails through sliding blocks in a sliding manner to form a structure similar to a Chinese character 'ri'.

Two sliding blocks are arranged on the longitudinal guide rail, one sliding block is arranged between two fixed guide rails on the two transverse moving guide rails respectively, the sliding blocks arranged on the two transverse moving guide rails are respectively connected with the sliding blocks arranged on the longitudinal moving slide rail up and down, the expanding cylinder is connected to the longitudinal moving guide rails, and the screw pair is connected to the transverse moving guide rails.

The supporting plate is a plate-shaped body or a rod-shaped body and is used for expanding the opening position of the packaging bag into a square shape, the left length and the right length of the expanded square shape are matched with the length of the plastic bag, and the front length and the rear length of the expanded square shape are matched with the circumference of the packaging bag, namely the front length and the rear length of the packaging bag are required to be up to the extent of tightly expanding the packaging bag after the left opening length and the right opening length of the packaging bag are determined.

The sliding block is a sliding body which can move longitudinally or transversely along the guide rail and comprises a linear bearing, a sliding table, a sliding block, a sliding sleeve and the like; the guide rail comprises a square rail, a dovetail rail, an optical axis, a round axis, a hexagonal rail and the like.

The supporting plate can be connected to the guide rail or the sliding block. The connection comprises a plurality of modes, one mode is that the supporting plate is directly arranged on the sliding block or the transverse moving guide rail, the other mode is that the supporting plate is connected on the connecting piece, then the connecting piece is arranged on the sliding block, or the supporting plate can be connected on the transverse moving guide rail through the connecting piece. As long as the supporting plate can move along with the transverse moving guide rail in the transverse direction or along with the longitudinal moving guide rail in the longitudinal direction, the connecting relationship between the supporting plate and the transverse moving guide rail or the longitudinal moving guide rail is generated, although the supporting plate is connected to the sliding block through the connecting piece and then the sliding block is connected to the transverse moving guide rail, the supporting plate is connected to the transverse moving guide rail at the bottom and is only indirectly connected, namely the supporting plate is indirectly connected to the transverse moving guide rail through the connecting piece and the sliding block.

The lifting driving mechanism comprises an electric sliding table, a sliding table cylinder and other various implementation modes and is used for driving the supporting plate to reciprocate up and down.

The supporting plate can be a square flat plate of a plate-shaped body, and can also be formed by two or more rod-shaped bodies. The lifting mechanism is used for lifting the packaging bag and intermittently moving the supporting plate downwards by the distance of one row of plastic bags in height under the driving of the lifting driving mechanism when the plastic bags are stacked in rows in the packaging bag.

As a preferable technical scheme, the supporting plate is in a concave shape. The design can ensure that the packaging bag is positioned in the concave-shaped gap, the supporting plate can lift the plastic bag in a balanced manner from side to side, and the plastic bag can smoothly and smoothly move downwards in the packaging bag in a balanced manner.

As a further improvement, the supporting plate can be divided into a left supporting plate and a right supporting plate, the left supporting plate and the right supporting plate are arranged on a sliding table of the lifting driving mechanism at intervals, and gaps at intervals between the left supporting plate and the right supporting plate form the concave-shaped structure; the left push plate and the right support plate can also be cylinders or rotating shafts.

The left supporting plate and the right supporting plate can be a plate-shaped body, a rod-shaped body or a rotary roller.

The packaging bag comprises a nylon woven bag, a paper bag and the like, the packaging amount of the common packaging bag is large, and dozens or even hundreds of bundles of plastic bags can be loaded.

As a preferred technical scheme, a stretching cylinder is connected to the longitudinal moving guide rail. The expanding cylinder comprises a guide rod cylinder, a double-rod cylinder, a common cylinder and the like. The automatic stretching device is used for stretching the packaging bag into a preset shape and can also automatically stretch the packaging bag tightly. If the length of the plastic bag is 20 cm and the circumference of the packaging bag is 80 cm, the left and right lengths of the supporting plates are adjusted to be 20 cm by rotating the screw rod, then the expanding cylinder is opened, the expanding cylinder drives the longitudinal moving guide rail and the other group of supporting plates to move backwards, the front and back lengths of the packaging bag can be expanded to be 20 cm, and if the circumference of the packaging bag is 110 cm, the front and back lengths of the packaging bag can be expanded to be 35 cm. Therefore, the packaging bag can be stretched and tightened to form a square body no matter how large the circumference of the packaging bag is, and the packaging bag can be stretched and tightened.

The bag clamping mechanical arm and the mechanical arm movement device belong to the prior art and have the following publication numbers: CN110861795A, which is not described herein.

If the length specification of the plastic bag produced by a plastic bag manufacturer is not changed or the change is not frequent, an adjusting device and a transverse moving guide rail are not needed, and only front and rear supporting plates are needed, wherein the left and right length of each supporting plate is adapted to the degree of the plastic bag; in this case, one of the supporting plates is arranged on the frame and the other supporting plate is connected to the guide rod cylinder without arranging a fixed guide rail and a longitudinal moving guide rail. However, the technical characteristics of the guide rail, the sliding block and the like are seemingly lacked in the embodiment from the surface, but the guide rod is equivalent to the guide rail, the sliding sleeve or the linear bearing installed in the guide rod cylinder body is equivalent to the sliding block, and the supporting plate moves to one side under the guide of the guide rod and the sliding sleeve to prop open the bag mouth of the packaging bag. Therefore, in this technical scheme, the guide rod cylinder can replace distraction cylinder, guide rail, slider, and its effect is unanimous basically, the equivalence. Therefore, in the case of using the guide rod cylinder to replace the guide rail sliding block and the expanding cylinder, the technical solution of implementing the present application should be provided.

The invention has the beneficial effects that: the left and right transverse distances of the opening of the packaging bag can be adjusted according to the length of the plastic bag to adapt to the length specification of the plastic bag, and the distance of the support plate is longitudinally moved to adapt to the specification of the packaging bag to open and tightly support the packaging bag, so that one bag opening device can adapt to diversified requirements of the plastic bag and the specification of the packaging bag; because the lifting supporting plate device is arranged, the bag clamping manipulator only needs to load the plastic bags at the opening of the packaging bag, and the first row of plastic bags are not required to be loaded at the bottom of the packaging bag firstly and then stacked in a row like the prior art, so that the downward extending range of the manipulator is reduced, the working procedure is simplified, and the working efficiency is improved; the invention has simple structure, convenience and practicability.

Drawings

FIG. 1 is a schematic diagram of the structural principle of the present invention;

FIG. 2 is a schematic top view of the structure of a bag opening device according to an embodiment;

FIG. 3 is a right side schematic view of the structural principle of a bag opening device according to an embodiment;

FIG. 4, FIG. 5 and FIG. 6 are schematic diagrams illustrating the working steps of the first embodiment;

FIG. 7 is a schematic top view of the bag opening device according to the second embodiment;

fig. 8 is a schematic top view of the structural principle of the bag-opening device of the third embodiment.

In the figure: 1-a frame; 11- -bag clamping robot; 12- -robot moving means; 2-a supporting plate; 21-a transverse moving guide rail; 22-longitudinal movement guide rail; 23- -fixed guide; 24- -a slider; 25-a connector; 26- -a cylinder; 27- -guide rod cylinder; 28- -a slide bar; 29- -guide bar; 3- -leading screw; 31- -screw nut; 32- -hand wheel; 4-a supporting plate; 41- -pallet groove; 42- -electric slipway; 43- -an electric motor; 5-plastic bag; 6-packaging the bag.

Detailed Description

In order to fully disclose the technical scheme of the invention, the following detailed description is made by three embodiments with reference to the attached drawings. In the description of the invention, the left side of the drawing in fig. 1 is the front side of the invention, and the right side of the drawing is the rear side; the upper and lower sides of fig. 2 are the left-right direction according to the present invention.

In the first embodiment, as shown in fig. 1 to 6: the bag opening device of the first embodiment comprises a fixed guide rail 23, a transverse moving guide rail 21, a longitudinal moving guide rail 22, a sliding block 24, a connecting piece 25 and a supporting plate 2. As shown in fig. 1 and 2, two fixed guide rails 23 are fixedly installed on the upper surface of the frame 1 in a front-back manner, two sliders 24 are respectively installed on each fixed guide rail 23, two traverse guide rails 21 are respectively installed on the two sliders 24 corresponding to the front and back of the two fixed guide rails 23, screw nuts 31 (a positive screw and a negative screw) are respectively installed on the two traverse guide rails 21, the screw rods 3 with positive and negative teeth are connected to the two nuts 31, the left end and the right end of the screw rod 3 are rotatably installed on the frame 1, and one end of the screw rod 3 is provided with a hand wheel 32; the front parts of the two traverse guide rails 21 are respectively provided with a connecting piece 25, the connecting pieces 25 are respectively provided with a supporting plate 2, the middle positions of the two traverse guide rails 21 are respectively provided with a sliding block 24 capable of moving back and forth, the longitudinal guide rail 22 is provided with two sliding blocks 24 capable of sliding left and right, and the sliding blocks 24 on the longitudinal guide rail 22 are respectively connected with the sliding blocks 24 on the traverse guide rails 21 in a crossing way, so that a group of sliding blocks with bidirectional movement is formed, namely two groups of sliding blocks can longitudinally slide back and forth on the two traverse guide rails 21 and transversely slide left and right on the longitudinal guide rail 22; a cylinder 26 is connected to the left and right middle positions of the longitudinal moving guide rail 22, and the other end of the cylinder 26 is installed on the frame 1; connecting pieces 25 are respectively arranged on the two groups of bidirectional sliding blocks on the longitudinal moving guide rail 22, and supporting plates 2 are respectively arranged on the connecting pieces 25, so that the heights of the 4 supporting plates are higher than that of the row of plastic bags 5 on the transverse moving guide rail 21; an electric sliding table 42 is arranged at the left-right middle position of the front part of the frame 1 in the vertical direction, a supporting plate 4 is arranged on a sliding seat of the electric sliding table 42, and a notch is arranged at the middle position of the supporting plate 4 to form a groove 41; a bag clamping manipulator 11 and a manipulator moving device 12 are mounted on one side of the frame 1, and the bag clamping manipulator 11 and the manipulator moving device belong to the known technology and can be implemented by referring to the publication number CN110861795A, which is not described in detail herein.

The specific working process is as follows: in the initial state, the square outline surrounded by the 4 supporting plates 2 is smaller than the perimeter of the packaging bag 6, and the concave supporting plate 4 is driven by the electric sliding table 42 to be positioned at the top dead center. Firstly, twisting a hand wheel 32 of a screw rod 3 to enable two transverse moving guide rails 21 to move towards the left side and the right side, so as to drive two left connecting pieces 25, two right connecting pieces 25 and two supporting plates 2 to move towards the two sides, and enable the left distance and the right distance of the two supporting plates 2 at the two sides to move to the positions corresponding to the length of a plastic bag 5; then taking a packaging bag 6, enabling the packaging bag 6 to enter the notch of the concave supporting plate 41 from back to front, opening the bag mouth of the packaging bag 6, sleeving the packaging bag 6 on the 4 supporting plates 2 upwards, then opening the cylinder 26, driving the longitudinal moving guide rail 22 to move backwards by the cylinder 26 so as to drive the two supporting plates 2 to stretch the bag mouth of the packaging bag 6 backwards, and at the moment, forming a state shown in fig. 4 from the view angle of the right side; then, the bag clamping manipulator 11 clamps a row of plastic bags 5 from the bag storage tray to move to a position (slightly) corresponding to the upper and lower positions of the 4 supporting plates 2 under the driving of the manipulator movement device 12, then the bag clamping manipulator 11 clamps the row of plastic bags 5 under the driving of the manipulator movement device 12 to move downwards and plug into a space surrounded by the 4 supporting plates 2, when the bag clamping manipulator 11 moves downwards, the sliding table motor 43 of the electric sliding table 42 is opened to drive the supporting plate 1 to move downwards by the height of the row of plastic bags 5, when the bag clamping manipulator 11 moves downwards, the 3 rows of plastic bags 5 which are filled downwards are pushed and move downwards, and at the moment, two clamping plates of the bag clamping manipulator 11 are positioned in a spacing gap between the two supporting plates 2, so that a state shown in fig. 5 (right schematic diagram) is formed; when the plastic bags 5 in a row are loaded into the packing bags 6 by the bag clamping robot 11, the state shown in fig. 6 is formed from the front side view; when a row of plastic bags 5 are plugged into a space surrounded by 4 supporting plates 2, two clamping plates of a bag clamping manipulator 11 move towards two sides from a gap between the two supporting plates 2 to withdraw and rotate upwards to reset, and the row of plastic bags 5 which are just loaded are limited in the middle by the 4 supporting plates 2 and cannot be scattered; in such a reciprocating manner, the plastic bags 5 in the rows are loaded, the electric sliding table drives the supporting plate 4 to intermittently move downwards for one time, the plastic bags 5 are stacked into the packaging bags 5 layer by layer, after the packaging bags 6 are filled with the plastic bags 5 in the rows, the air cylinders 26 are released, the packaging bags 6 fall down, and a packaging procedure is completed.

The second embodiment is different from the first embodiment mainly in that the bag opening device, as shown in fig. 7, the bag opening device of the second embodiment includes a guide rod cylinder 27 and a slide rod 28, and the transverse moving guide rail, the longitudinal moving guide rail and the slide block are omitted. The left side and the right side of the front of the slide bar 28 are respectively provided with a supporting plate 2, so that the left length and the right length of the two supporting plates 2 are matched with the length of the plastic bag; a slide rod 28 is arranged on a guide rod seat of a guide rod cylinder 27, and then the guide rod cylinder 27 is arranged on the frame 1; two supporting plates 2 are arranged at the front parts of the frame 1 corresponding to the two supporting plates 2 on the guide rod seat in the front-back direction. When the guide rod cylinder 27 is opened, the two supporting plates 2 are driven to move backwards to stretch and tighten the packaging bag 6, and in the process that the guide rod cylinder 27 drives the two supporting plates 2 to move backwards, the slide rods 28 can slide on the left side and the right side of the rack 1, so that the supporting plates 2, the packaging bag 6, the plastic bag 5 and the like are supported and born, and the guide rod of the guide rod cylinder 27 has guiding and guiding effects.

The third embodiment is different from the first embodiment in the bag opening device, as shown in fig. 8: the bag opening device of the third embodiment comprises a sliding rod 28, two guide rods 29 and a cylinder 26; the air cylinder 26 is arranged at the left and right middle positions of the rear part of the frame 1, two guide rods 29 are slidably arranged at the left and right sides of the air cylinder 26, the front ends of the two guide rails 29 and the cylinder rod of the air cylinder 26 are arranged on a

slide rod

28, 1 supporting plate 2 is arranged at the front side of the slide rod 28, one supporting plate 2 is also arranged at the front position of the frame 1 corresponding to the supporting plate 2, and the left and right degrees of the two supporting plates 2 are adapted to the length of the plastic bag 5. The working steps and processes of the third embodiment are basically the same as those of the first embodiment, and are not described in detail herein.

Claims

1. The utility model provides an automatic change plastic bag sack filling machine, includes frame, bag clamping machinery hand, manipulator telecontrol equipment, its characterized in that: the machine frame on still be equipped with and prop bagging apparatus, lift layer board device, prop the bagging apparatus and include fagging, guide rail, slider, prop a bag cylinder, set up the upper portion of frame, the lift layer board device include layer board, lift actuating mechanism, the layer board connect on lift actuating mechanism, the setting is in prop below the bagging apparatus.

2. The automatic plastic bag packing machine according to claim 1, characterized in that: the bag opening device is also provided with an adjusting device.

3. The automatic plastic bag packing machine according to claim 1, characterized in that: the lifting driving mechanism comprises an electric sliding table.

4. The automatic plastic bag packing machine according to claim 1, characterized in that: the supporting plate is concave.

5. The automatic plastic bag packing machine according to claim 1, characterized in that: the guide rails comprise two fixed guide rails, two transverse moving guide rails and a longitudinal moving guide rail, the two fixed guide rails are fixedly arranged on the rack from left to right, and the two transverse moving guide rails and the longitudinal moving guide rail are arranged on the two fixed guide rails through sliding blocks respectively to form a structure similar to a Chinese character 'ri'.