CN106697368B - Plastic packaging machine and control system thereof - Google Patents

Plastic packaging machine and control system thereof Download PDF

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Publication number
CN106697368B
CN106697368B CN201710129154.4A CN201710129154A CN106697368B CN 106697368 B CN106697368 B CN 106697368B CN 201710129154 A CN201710129154 A CN 201710129154A CN 106697368 B CN106697368 B CN 106697368B
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CN
China
Prior art keywords
traction
grabbing
front door
module
hinged
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Application number
CN201710129154.4A
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Chinese (zh)
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CN106697368A (en
Inventor
周维兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing City Fuling District Haoyang Foodstuff Co ltd
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Chongqing City Fuling District Haoyang Foodstuff Co ltd
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Priority to CN201710129154.4A priority Critical patent/CN106697368B/en
Publication of CN106697368A publication Critical patent/CN106697368A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins
    • B65B11/52—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins one sheet being rendered plastic, e.g. by heating, and forced by fluid pressure, e.g. vacuum, into engagement with the other sheet and contents, e.g. skin-, blister-, or bubble- packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/30—Arranging and feeding articles in groups
    • B65B35/36—Arranging and feeding articles in groups by grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/30—Arranging and feeding articles in groups
    • B65B35/44—Arranging and feeding articles in groups by endless belts or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/20—Applications of counting devices for controlling the feed of articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

The invention discloses a plastic packaging machine and a control system thereof, which have high production efficiency, low later maintenance cost and high safety, and comprise a machine shell, a plastic packaging die, a feeding mechanism, a discharging mechanism, a film conveying mechanism and an automatic grabbing mechanism; the bottom of the plastic package mold is provided with an up-down adjusting cylinder, an output shaft of the up-down adjusting cylinder is connected with the lower mounting plate, and the up-down adjusting cylinder can drive a lower mold part of the plastic package mold to adjust the position up and down. The invention can fully automatically process the whole packaging process, and each part is simple to assemble and convenient to overhaul. In addition, the production efficiency and the service life of the equipment are at least about two times longer than the average service life of the traditional plastic packaging machine, and the use cost of the equipment is greatly reduced.

Description

Plastic packaging machine and control system thereof
Technical Field
The present disclosure relates to packaging machines, and particularly to a plastic packaging machine and a control system thereof.
Background
The plastic packaging film package is one of the more advanced packaging methods in the international market at present, and has the advantages of good packaging effect, low cost and the like. However, the existing plastic packaging machine has the defect of insufficient automation, and the important point is that in the three steps of feeding, packaging and discharging, the common plastic packaging machine needs to be manually involved. In addition, because of the specificity of the working property, the machine shell of the plastic packaging machine is quite different from the machine shell of other packaging machines or machine tools, on one hand, the mould pressing plastic packaging part of the machine shell can be required to be opened timely as required, and on the other hand, safety measures are required to be set, so that the mould pressing plastic packaging part is prevented from being opened by mistake during working, and potential safety hazards are generated. At present, an electronic control system is mostly adopted to prevent false opening, and the mode is safe and simple to operate, but has higher cost and is not suitable for popularization. And the safety measures are designed in a purely mechanical way, but the use is relatively complex and inconvenient.
And because of the special property of the plastic packaging film, a skylight is generally arranged at the top of the shell so as to facilitate maintenance. At present, most of the packaging machines are manually opened, but because the packaging machines are generally high, operators need to pad things under feet if the heights of the operators are insufficient, and the packaging machines are inconvenient and cause potential safety hazards.
The existing plastic packaging film packaging machine is not automatic and intelligent enough, and can integrate all steps of the whole plastic packaging process very rarely, so that enterprises need to purchase different equipment to carry out matching, the production cost is increased, in addition, the production efficiency is reduced by operating a plurality of devices, and the manufacturing cost is increased by phase change.
If the machine fails, professional personnel are required to check, analyze and maintain the machine on site, so that the maintenance time is prolonged and the maintenance cost is increased. The remote control well solves the problem, and the problem can be analyzed through the monitoring data and fed back to the user in time, so that the maintenance time and cost are greatly reduced.
Therefore, the inventor considers that the design of the door and window on the shell has simple and easy safety measures, has automatic and pipelining functions, and has good market prospect.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a plastic packaging machine with high production efficiency, low maintenance cost and high safety.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a plastic packaging machine comprises a machine shell, a plastic packaging die, a feeding mechanism, a discharging mechanism, a film conveying mechanism and an automatic grabbing mechanism;
the bottom of the plastic package mold is provided with an up-down adjusting cylinder, an output shaft of the up-down adjusting cylinder is connected with the lower mounting plate, and the up-down adjusting cylinder can drive a lower mold part of the plastic package mold to adjust the position up and down.
Further, the shell comprises a bottom cabin part and a plastic package part; the plastic package part is provided with a front door assembly, a top door assembly and a rear door assembly; the front door assembly comprises a front door, and a handle and an observation window for opening and closing the front door are arranged on the front door;
the front door assembly comprises a front door and a front door frame matched with the front door, and the front door frame comprises a transverse plate and a vertical plate;
the transverse plate is provided with a chute, and the chute is also provided with at least one safety slot with the width larger than that of the chute;
the sliding groove is matched with a T-shaped sliding block fixed on the front door, and the T-shaped sliding block can be taken out through the safety groove;
the front door comprises a front door side plate and an inner plate; the front door side plate is connected with a first leaf of a hinge assembly hinge, and a second leaf of the hinge is connected with a connecting rod;
the connecting rod passes through the connecting block sliding hole of the connecting rod mounting block and is connected with the connecting plate;
the vertical plate is provided with a fixing groove, and the bolt penetrates through the fixing hole of the connecting rod installation block to fix the connecting rod installation block in the fixing groove.
Further, a sliding sleeve is arranged in the connecting block sliding hole of the connecting rod mounting block, and the connecting rod penetrates through the sliding sleeve.
Further, the sliding sleeve is provided with an oil filling hole, the oil filling hole corresponds to an oil filling cup hole on the connecting rod installation block, and an oil filling cup is installed at the inner side of the oil filling cup hole. When the sliding sleeve is used, lubricating oil can be injected through the oil injection cup hole, and then enters the sliding sleeve through the oil injection hole for lubrication.
Furthermore, the inner diameter of the sliding sleeve is slightly larger than the outer diameter of the connecting rod.
Further, when at least two hinge assemblies are connected to the same front door, the connecting rods of the hinge assemblies are connected to the connecting plates respectively, and the connecting plates are perpendicular to the connecting rods.
Further, the connecting rod mounting block is provided with a containing part.
Further, the top door assembly comprises a top door, and the top door is connected with the top of the shell at the hinged end through a connecting ring;
the connecting ring is hinged with the hinged end through a first connecting ring hinge;
the connecting ring is hinged and assembled with the top of the shell through a second connecting ring hinge;
the top door is hinged with the end part of the extending shaft of the air cylinder through a first air cylinder hinge, and one end of the air cylinder body is hinged with an air cylinder mounting plate in the casing through a second air cylinder hinge.
Furthermore, the shell is also provided with a protective cover on the feeding and discharging part.
Further, the rear door assembly has the same structure as the front door assembly.
Further, the first and second sheets are provided with a first reinforcing plate and a second reinforcing plate.
Further, the feeding mechanism comprises a feeding frame, a feeding part is arranged on the feeding frame, the feeding part comprises a lifting limiting block, an induction gap and a feeding conveyer belt, the lower part of the limiting block is connected with the end face of an extending shaft of a limiting block cylinder, and the lifting of the limiting block can be controlled through the limiting block cylinder;
the induction gap is a small gap which is arranged close to the limiting block, and the counting sensor senses and counts the box to be packaged passing through the gap through the induction gap.
Further, the automatic material grabbing mechanism comprises a material grabbing clamping plate, the material grabbing clamping plate is connected with one end of a material grabbing arm, the other end of the material grabbing arm is hinged with a first traction rod and a second traction rod respectively, and the hinged position of the second traction rod and the material grabbing arm is higher than the hinged position of the first traction rod and the material grabbing arm;
one end of the second traction rod passes through the traction arm of the traction clamp and is rotatably connected with the frame, and the other end of the second traction rod is also rotatably connected with the frame;
one end of the first traction rod is rotatably connected with the traction arm, and the other end of the first traction rod is rotatably connected with the second traction rod through a connecting block;
the plastic package mould is characterized in that at least two grabbing arms are symmetrically distributed on two sides of the plastic package mould, the two grabbing arms which are symmetrically distributed are connected through grabbing arm connecting plates, the grabbing arm connecting plates are fixedly connected with grabbing conveying belts, and the grabbing conveying belts are powered by grabbing conveying systems.
Further, the pulling clamp comprises two pulling arms, wherein the pulling arms are composed of a first pulling section and a second pulling section, and the first pulling section and the second pulling section are connected with each other at an included angle of not more than 90 degrees;
the first traction rod is hinged with the first traction rod, and the second traction rod is hinged with the first traction rod;
the ends of the two traction two sections are hinged with one end of a traction connecting block, and the other end of the traction connecting block is hinged with an extension shaft of the traction cylinder.
The control system of the plastic packaging machine comprises a feeding module, a grabbing module, a plastic packaging module, a discharging module and a controller; the controller is respectively connected with the feeding module, the grabbing module, the plastic packaging module and the discharging module;
the feeding module is a feeding mechanism and is mainly responsible for conveying the box to be packaged to the grabbing module;
the material grabbing module is a material grabbing mechanism and is mainly responsible for grabbing the packaging box to be packaged sent by the feeding module into the plastic packaging module and grabbing the packaged packaging box in the plastic packaging module to the discharging module;
the plastic packaging module is a plastic packaging die and is mainly responsible for packaging the packaging box to be packaged;
the discharging module is a discharging mechanism and is mainly responsible for delivering the packaged packaging box.
Further, the controller can be connected with a signal sending module and a receiving module, and the signal sending module and the receiving module are used for receiving and sending instructions, signals, information and the like of the plastic packaging machine. Therefore, a remote control instruction can be issued to the plastic packaging machine through the remote computer, and the plastic packaging machine receives the remote control instruction through the signal receiving module and controls the modules to work according to the instruction.
It is of course also possible to add a signal receiving module connected to the controller,
the beneficial effects of the invention are as follows: the invention can fully automatically process the whole packaging process, and each part is simple to assemble and convenient to overhaul. In addition, the production efficiency and the service life of the equipment are at least about two times longer than the average service life of the traditional plastic packaging machine, and the use cost of the equipment is greatly reduced.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a plastic packer according to the present invention.
Fig. 2 is a schematic structural view of an embodiment of a plastic packer according to the present invention.
Fig. 3 is a schematic view showing an internal structure of the plastic packer according to an embodiment of the present invention except for a casing.
Fig. 4 is a front view of a housing structure of an embodiment of a plastic packer of the present invention.
Fig. 5 is a cross-sectional view A-A of fig. 4.
Fig. 6 is a sectional view of B-B in fig. 4.
Fig. 7 is an enlarged view of F3 in fig. 6.
Fig. 8 is a schematic view of a front door assembly of a plastic packaging machine according to an embodiment of the present invention.
Fig. 9 is a schematic view of a front door frame assembly of a plastic packaging machine according to an embodiment of the present invention.
Fig. 10 is an enlarged detailed view of fig. 9 at F1.
Fig. 11 is an enlarged view at F2 in fig. 9.
FIG. 12 is a schematic view of a feeding portion of an embodiment of a plastic packer according to the present invention.
FIG. 13 is a schematic view of a feeding portion of an embodiment of a plastic packer according to the present invention.
Fig. 14 is a schematic structural view of an automatic grabbing mechanism of an embodiment of a plastic packer.
Fig. 15 is a schematic structural view of an automatic material grabbing mechanism of an embodiment of a plastic packaging machine according to the present invention.
Fig. 16 is a section view of fig. 15C-C.
FIG. 17 is a schematic view of an automatic grabbing mechanism pulling clamp according to an embodiment of the plastic packer of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1 to 17, a plastic packaging machine comprises a machine shell a, a plastic packaging die B, a feeding mechanism C, a discharging mechanism D, a film conveying mechanism E and an automatic grabbing mechanism G;
the bottom of the plastic package die B is fixed on a bottom connecting plate B27, an up-and-down adjusting cylinder B01 is arranged below the bottom connecting plate B27, and the up-and-down adjusting position of the plastic package die is driven by the up-and-down adjusting cylinder B01.
The shell A comprises a bottom cabin part A1 and a plastic package part A01; the plastic package part A01 is provided with a front door component A2, a top door component A3 and a rear door component A4; the front door assembly A2 comprises a front door A21, wherein a buckle A215 and an observation window A211 for opening and closing the front door are arranged on the front door A21;
the shell is also provided with a protective cover A5 on the feeding and discharging part.
The top door assembly A3 comprises a top door A31, and the top door A31 is connected with the top of the machine shell at a hinged end A38 through a connecting ring A37;
the connecting ring A37 and the hinged end A38 are hinged and assembled through a first connecting ring hinge A36;
the connecting ring A37 is hinged and assembled with the top of the machine shell through a second connecting ring hinge A35;
the connecting ring A37 is semi-annular (annular with openings at two ends), and the structure can save the space at the hinge A36 of the first connecting ring, so that the better sealing can be obtained. In addition, the structure can also improve the connection strength and the service life of the first connecting ring hinge A36 and the second connecting ring hinge A35;
the top door A31 is hinged with the end part of the extending shaft of the air cylinder A34 through a first air cylinder hinge A32, and one end of the air cylinder A34 is hinged with an air cylinder mounting plate in the machine shell through a second air cylinder hinge A33.
When the device is used, the opening and closing of the top door A31 can be controlled only by controlling the inflation and the exhaust of the air cylinder A34 through the controller. When the top door a31 needs to be opened, the air cylinder a34 is inflated first, so that the extension shaft of the air cylinder a34 extends out and the top door a31 is pushed by the first air cylinder hinge a32, and at this time, the top door a31 rotates upwards by taking the first connecting ring hinge a36 as a rotation center, so that the top door a31 is opened. And after the top door is opened, the top door can be closed by reversing the operation according to the operation. The structure for automatically controlling the opening and closing of the top door through the air cylinder has the characteristics of simplicity, convenience and low cost.
The front door assembly A2 comprises a front door A21 and a front door frame matched with the front door, and the front door frame comprises a transverse plate A23 and a vertical plate A24;
the transverse plate A23 is provided with a chute A231, and at least one safety groove A232 with the width larger than that of the chute A231 is arranged on the chute A231;
the sliding groove A231 is matched with the T-shaped sliding block A212 fixed on the front door A21, and the T-shaped sliding block A212 can be taken out through the safety groove A232.
The front door A21 comprises a front door side plate A213 and an inner plate A214; the front door side plate A213 is connected with a hinge A221 of the hinge assembly A22, specifically is connected with a first sheet A2211 of the hinge A221, and a second sheet A2212 of the hinge A221 is connected with a connecting rod A223;
the connecting rod A223 passes through a connecting block sliding hole of the connecting rod mounting block A222 and is connected with the connecting plate A224;
a sliding sleeve A225 is preferably arranged in a connecting block sliding hole of the connecting rod mounting block A222, and the connecting rod A223 penetrates through the sliding sleeve;
the sliding sleeve A225 is provided with an oil filling hole A2251, and the oil filling hole A2251 corresponds to an oil filling cup hole A2221 on the connecting rod mounting block A222.
The inner diameter of the sliding sleeve A225 is slightly larger than the outer diameter of the connecting rod A223;
the vertical plate A24 is provided with a fixing groove A241, and a bolt passes through the fixing hole A2222 of the connecting rod installation block A222 until the connecting rod installation block A222 is fixed in the fixing groove A241.
When a plurality of hinge assemblies a22 are connected to the same front door a21, it is ensured that the links a223 of the respective hinge assemblies a22 are connected to the link a224, respectively, and the link a224 is perpendicular to the links a 223.
When the safety door is used, the buckle A215 is firstly buckled by hands, the front door A21 is slid towards the hinge assembly A22 until the T-shaped sliding block can be taken out from the safety groove. And then the front door is rotated, so that the front door can be opened by rotating the front door by taking the hinge as the center of the rotating shaft. The opening mode can improve the safety awareness of operators, and is simple and convenient.
When the switch-off is needed, the switch-off is only needed to be reversely operated according to the operation.
In addition, since the inner panel a214 is provided on the front door a21, in order to avoid interference of the link installation block a222 with the inner panel a214 when the front door is closed, the receiving portion a2223 may be provided on the link installation block a 222.
In order to increase the strength of the hinge a221, a first reinforcing plate a2213 and a second reinforcing plate a2214 may be disposed on the first sheet a2211 and the second sheet a2212, respectively, and the first reinforcing plate a2213 and the second reinforcing plate a2214 are preferably disposed outside the respective sheets.
Of course, the rear door assembly A4 may have the same structure as the front door assembly A2.
The feeding mechanism C comprises a feeding frame C2, a feeding part C1 is arranged on the feeding frame C2, the feeding part C1 comprises a lifting limiting block C11, an induction gap C12 and a feeding conveying belt C13, the lower part of the limiting block C11 is connected with the end face of an extending shaft of a limiting block cylinder C14, and the lifting of the limiting block C11 can be controlled through the limiting block cylinder C14;
the sensing gap C12 is a small gap which is arranged close to the limiting block C11, and the counting sensor C15 senses through the gap and counts the boxes N to be packaged which pass through the gap;
the counting sensor C15 may be a laser sensor, and counts the number of passes of the to-be-packaged box N by laser sensing. And the limit plate C11 directly determines the number of N boxes to be packaged which can be packaged at one time by the packaging machine. The principle is as follows: the limiting block cylinder C14 and the counting sensor C15 are connected with the controller H, and the number of times that the packaging box N passes through each counting sensor C15 is calculated according to the number of the limiting plates C11 and the counting sensors C15;
in the initial state, the stopper C11 is retracted into the feeding portion C1 by the stopper cylinder C14 and the top surface thereof cannot be higher than the top surface of the feeding conveyor C12. The number of the packaging boxes N to be packaged at one time is set according to the limiting plate C11 and the counting sensor C15. And meanwhile, the number of each counting sensor C15 allowed to pass through is set, and when the number of each counting sensor C15 is reached, the controller H controls the limit plate C11 matched with the counting sensor C to rise, so that the position of the box N to be packaged is limited.
The method by which each counting sensor C15 allows to pass through the number of cartridges N to be packaged is: the number of allowed passes of the first counting sensor C15 in the conveying direction is equal to the number of the cartridges N to be packaged at one time by the present plastic packaging machine, and then each counting sensor C15 is sequentially decremented in the conveying direction until the one counting sensor C15 closest to the plastic packaging part a01 and the number of allowed passes of the counting sensor closest to the plastic packaging part a01 is 0.
When the box N is sensed by the first counting sensor C15, the second limiting block C11 is pushed to be lifted by the second limiting block cylinder C14, the box is blocked, and the like.
When the number of N sensed by the number sensor C15 reaches the set number, the C13 stops moving to perform the next action.
When the novel packaging box is used, the limiting plate C11 closest to the plastic packaging part A01 is lifted firstly, then the first packaging box N to be packaged passes through the counting sensor closest to the plastic packaging part A01, the limiting plate C11 closest to the plastic packaging part A01 is lifted, then the second packaging box A01 is sequentially lifted in the opposite direction of the conveying direction, and the controller H controls the feeding conveying belt to stop until the limiting plate farthest from the plastic packaging part A01 is lifted and the counting sensor C15 senses that the last packaging box N to be packaged passes.
The automatic material grabbing mechanism G comprises a material grabbing clamping plate G1, the material grabbing clamping plate G1 is connected with one end of a material grabbing arm G2, the other end of the material grabbing arm G2 is hinged with a first traction rod G3 and a second traction rod G4 respectively, and the hinged position of the second traction rod G4 is higher than that of the first traction rod G3;
one end of the second traction rod G4 passes through the traction arm G51 of the traction clamp G5 and is rotatably connected with the frame, and the other end of the second traction rod G is also rotatably connected with the frame;
one end of the first traction rod G3 is rotatably connected with the traction arm G51, and the other end of the first traction rod G3 is rotatably connected with the second traction rod G4 through the connecting block G9;
the two material grabbing arms G2 are at least two and symmetrically distributed on two sides of the plastic package die B, the two symmetrically distributed material grabbing arms G2 are connected through a material grabbing arm connecting plate G8, the material grabbing arm connecting plate G8 is fixedly connected with a material grabbing conveying belt G7, and the material grabbing conveying belt G7 is powered by a material grabbing conveying system G6;
the traction clamp G5 comprises two traction arms G51, wherein the traction arms G51 are composed of a traction first section G511 and a traction second section G512, and the traction first section G511 and the traction second section G512 are connected at an included angle of not more than 90 degrees;
the traction section G511 is hinged with the first traction rod G3 and the second traction rod G4 respectively, and the hinged position of the second traction rod G4 is higher than that of the first traction rod G3;
the ends of the two traction two sections G512 are hinged with one end of a traction connecting block G52, and the other end of the traction connecting block G52 is hinged with the extension shaft of a traction cylinder G53.
When the box to be packaged needs to be grabbed, the extension shaft of the traction cylinder G53 extends out to drive the traction arm G51 to rotate inwards by taking the rotation joint of the traction arm G51 and the second traction rod G4 as a central point, so that the first traction rod G3 is driven to rotate inwards, the first traction rod G3 rotates inwards to drive the material grabbing arm G2 to rotate inwards, the material grabbing clamping plate G1 clamps the box N to be packaged or the box to be packaged, then the material grabbing conveying system G6 drives the material grabbing conveying belt G7 to move, and the material grabbing conveying belt G7 drives the material grabbing arm G2 to move through the material grabbing arm connecting plate G8, namely drives the packaging box to move.
The number of the grabbing clamps on the grabbing clamping plate G1 is preferably twice the number of the preset one-time packages, one end of the grabbing clamping plate G1 is designed to just grab all the packages N to be packaged on the feeding mechanism C, and the other end of the grabbing clamping plate G can just grab the packages in the packaging die at the same time. Therefore, each time a batch of packaged boxes N to be packaged is sent out, the boxes to be packaged on the feeding mechanism C can be simultaneously grabbed and enter the plastic packaging die B, and the production efficiency can be greatly improved.
After the packaged packaging box is grabbed onto the discharging mechanism D by the grabbing mechanism G, the packaged packaging box is conveyed out of the plastic packaging machine by a discharging conveying belt D1 of the discharging mechanism D.
The film conveying mechanism E comprises a film conveying part E1 and a film recovery part E2, wherein the film conveying part E1 is used for conveying the film P to the plastic packaging die B, and the film recovery part E2 is used for recovering the film P which is used by the plastic packaging die part.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims (7)

1. The plastic packaging machine is characterized by comprising a machine shell, a plastic packaging die, a feeding mechanism, a discharging mechanism, a film conveying mechanism and an automatic grabbing mechanism;
the bottom of the plastic package mold is provided with an up-down adjusting cylinder, and the up-down adjusting cylinder can drive the plastic package mold to adjust the position up and down;
the shell comprises a bottom cabin part and a plastic package part; the plastic package part is provided with a front door assembly, a top door assembly and a rear door assembly; the front door assembly comprises a front door, and a handle and an observation window for opening and closing the front door are arranged on the front door;
the front door assembly comprises a front door and a front door frame matched with the front door, and the front door frame comprises a transverse plate and a vertical plate;
the transverse plate is provided with a chute, and the chute is also provided with at least one safety slot with the width larger than that of the chute;
the sliding groove is matched with a T-shaped sliding block fixed on the front door, and the T-shaped sliding block can be taken out through the safety groove;
the front door comprises a front door side plate and an inner plate; the front door side plate is connected with a first leaf of a hinge assembly hinge, and a second leaf of the hinge is connected with a connecting rod;
the connecting rod passes through the connecting block sliding hole of the connecting rod mounting block and is connected with the connecting plate;
the vertical plate is provided with a fixing groove, and a bolt penetrates through a fixing hole of the connecting rod installation block to fix the connecting rod installation block in the fixing groove;
the automatic material grabbing mechanism comprises a material grabbing clamping plate, the material grabbing clamping plate is connected with one end of a material grabbing arm, the other end of the material grabbing arm is hinged with a first traction rod and a second traction rod respectively, and the hinged position of the second traction rod and the material grabbing arm is higher than the hinged position of the first traction rod and the material grabbing arm;
one end of the second traction rod passes through the traction arm of the traction clamp and is rotatably connected with the frame, and the other end of the second traction rod is also rotatably connected with the frame;
one end of the first traction rod is rotatably connected with the traction arm, and the other end of the first traction rod is rotatably connected with the second traction rod through a connecting block;
the plastic package mould comprises at least two grabbing arms, wherein the grabbing arms are symmetrically distributed on two sides of the plastic package mould, the two grabbing arms which are symmetrically distributed are connected through grabbing arm connecting plates, the grabbing arm connecting plates are fixedly connected with grabbing conveying belts, and the grabbing conveying belts are powered by grabbing conveying systems;
the traction clamp comprises two traction arms, wherein the traction arms consist of a traction first section and a traction second section, and the traction first section and the traction second section are connected with each other at an included angle of not more than 90 degrees;
the first traction rod is hinged with the first traction rod, and the second traction rod is hinged with the first traction rod;
the ends of the two traction two sections are hinged with one end of a traction connecting block, and the other end of the traction connecting block is hinged with an extension shaft of the traction cylinder.
2. The plastic packer of claim 1, wherein a sliding sleeve is installed in a connecting block sliding hole of the connecting rod installation block, and the connecting rod passes through the sliding sleeve.
3. The plastic packaging machine of claim 2, wherein the sliding sleeve is provided with an oil filling hole, the oil filling hole corresponds to an oil filling cup hole on the connecting rod mounting block, and an oil filling cup is arranged at the inner side of the oil filling cup hole; when the sliding sleeve is used, lubricating oil can be injected through the oil injection cup hole, and then enters the sliding sleeve through the oil injection hole for lubrication;
when the same front door is connected with at least two hinge assemblies, the connecting rods of the hinge assemblies are respectively connected with the connecting plates, and the connecting plates are vertical to the connecting rods.
4. The plastic packaging machine of claim 1, wherein the top door assembly comprises a top door connected to the top of the housing at a hinged end by a connecting ring;
the connecting ring is hinged with the hinged end through a first connecting ring hinge;
the connecting ring is hinged and assembled with the top of the shell through a second connecting ring hinge;
the top door is hinged with the end part of the extending shaft of the air cylinder through a first air cylinder hinge, and one end of the air cylinder body is hinged with an air cylinder mounting plate in the casing through a second air cylinder hinge.
5. The plastic packaging machine of claim 1, wherein the feeding mechanism comprises a feeding frame, a feeding part is arranged on the feeding frame, the feeding part comprises a lifting limiting block, an induction gap and a feeding conveyer belt, the lower part of the limiting block is connected with the end face of an extending shaft of a limiting block cylinder, and the lifting of the limiting block can be controlled by the limiting block cylinder;
the induction gap is a small gap which is arranged close to the limiting block, and the counting sensor senses and counts the box to be packaged passing through the gap through the induction gap.
6. A control system of a plastic packaging machine according to claims 1-5, comprising a feeding module, a grabbing module, a plastic packaging module, a discharging module and a controller; the controller is respectively connected with the feeding module, the grabbing module, the plastic packaging module and the discharging module;
the feeding module is a feeding mechanism and is mainly responsible for conveying the box to be packaged to the grabbing module;
the material grabbing module is a material grabbing mechanism and is mainly responsible for grabbing the packaging box to be packaged sent by the feeding module into the plastic packaging module and grabbing the packaged packaging box in the plastic packaging module to the discharging module;
the plastic packaging module is a plastic packaging die and is mainly responsible for packaging the packaging box to be packaged;
the discharging module is a discharging mechanism and is mainly responsible for delivering the packaged packaging box.
7. The control system of claim 6, further comprising a signal emitting and receiving module, wherein the signal emitting and receiving module is coupled to the controller.
CN201710129154.4A 2017-03-06 2017-03-06 Plastic packaging machine and control system thereof Active CN106697368B (en)

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