CN114889867A - Vacuum packaging secondary bagging machine and working method thereof - Google Patents

Vacuum packaging secondary bagging machine and working method thereof Download PDF

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Publication number
CN114889867A
CN114889867A CN202210521320.6A CN202210521320A CN114889867A CN 114889867 A CN114889867 A CN 114889867A CN 202210521320 A CN202210521320 A CN 202210521320A CN 114889867 A CN114889867 A CN 114889867A
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CN
China
Prior art keywords
bag
pushing
cylinder
opening
bag opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210521320.6A
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Chinese (zh)
Other versions
CN114889867B (en
Inventor
蔡松华
陈小林
李晓彬
林银燕
洪唯唯
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Zhang Zhou Jia Long Technology Co Ltd By Shares
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Zhang Zhou Jia Long Technology Co Ltd By Shares
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Priority to CN202210521320.6A priority Critical patent/CN114889867B/en
Priority to PCT/CN2022/102295 priority patent/WO2023216390A1/en
Publication of CN114889867A publication Critical patent/CN114889867A/en
Application granted granted Critical
Publication of CN114889867B publication Critical patent/CN114889867B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00Closing containers or receptacles after filling
    • B65B7/02Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/06Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzle being arranged for insertion into, and withdrawal from, the mouth of a filled container and operating in conjunction with means for sealing the container mouth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/10Feeding, e.g. conveying, single articles
    • B65B35/20Feeding, e.g. conveying, single articles by reciprocating or oscillatory pushers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00Supplying or feeding container-forming sheets or wrapping material
    • B65B41/02Feeding sheets or wrapper blanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/34Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10Applying or generating heat or pressure or combinations thereof
    • B65B51/14Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/146Closing bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2220/00Specific aspects of the packaging operation
    • B65B2220/16Packaging contents into primary and secondary packaging
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

The invention relates to a vacuum packaging secondary bagging machine and a working method thereof, wherein the vacuum packaging secondary bagging machine comprises a rack, and a bag supplying mechanism, a bag feeding mechanism, a bag supporting mechanism, a bag pushing mechanism and a discharging mechanism which are arranged on the rack, wherein the bag feeding mechanism comprises a bag feeding conveyer belt which horizontally extends to convey packaging bags, the output end of the bag feeding conveyer belt is used for opening the bag opening through the bag supporting mechanism and is butted with a bag supporting assembly of the bag pushing mechanism, the packaging bags are conveyed to the input end of the bag feeding conveyer belt of the bag feeding mechanism in a stepping mode through the bag supplying mechanism, and the output end of the bag pushing mechanism is butted with the discharging conveyer belt of the discharging mechanism.

Description

Vacuum packaging secondary bagging machine and working method thereof
Technical Field
The invention relates to a vacuum packaging secondary bagging machine and a working method thereof.
Background
The secondary sack filling machine can pack the material after the vacuum packaging into the outer wrapping bag, reduces the damaged probability that vacuum packaging caused in the commodity circulation transportation, improves the added value of product. At present, in the domestic secondary bagging process, manual bagging and sealing are often performed, the operation is troublesome, the labor intensity of workers is high, the production efficiency is low, the sealing effect is unstable, and the personnel selection cost of enterprises is increased.
In vacuum packaging, need carry out secondary bagging with the material package (material) that the evacuation that has already finished of plastic, need push the material into the sack during secondary bagging and strut in the wrapping bag to satisfy follow-up process of sealing, in order to realize above-mentioned process, need a high-efficient stable this secondary bagging work of accomplishing of vacuum packaging secondary sack machine urgently.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a vacuum packaging secondary bagging machine and a working method thereof, which are reasonable in structure, efficient and stable.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a vacuum packaging secondary sack filling machine, includes frame and rack-mounted supplies bag mechanism, send bag mechanism, bag supporting mechanism, push away a packet mechanism, discharge mechanism, send bag mechanism to include that the level extends in order to carry the bag conveying belt of wrapping bag, send bag conveyer belt output through propping bag mechanism and strut the sack and with push away a packet mechanism's bag subassembly butt joint, the wrapping bag is through supplying bag mechanism step-by-step carry to the bag conveyer belt input that sends bag mechanism, push away a packet mechanism output and discharge mechanism's ejection of compact conveyer belt butt joint.
Preferably, the bag feeding mechanism comprises a bag feeding slide rail which extends back and forth above the output end of the bag feeding conveying belt, a vertically-placed bag sleeving lifting cylinder is connected onto the bag feeding slide rail in a sliding manner, the rear end of the bag sleeving cylinder is fixedly connected with a horizontal bag sleeving cylinder which is favorable for driving the bag sleeving lifting cylinder to reciprocate back and forth, and the output end of the horizontal bag sleeving cylinder is connected with a horizontal moving cylinder which is used for driving the horizontal bag sleeving cylinder and the bag sleeving lifting cylinder to integrally slide back and forth; the bag opening mechanism comprises two longitudinal bag opening plates, the two longitudinal bag opening plates are driven by a bag feeding synchronous belt assembly to be centered and close to or far away from a bag opening, the bag feeding synchronous belt assembly comprises a bag feeding synchronous belt and a mounting plate, the mounting plate is used for mounting the bag feeding synchronous belt and is connected with the bag opening lifting cylinder, a horizontal bag opening cylinder is fixedly arranged on the mounting plate, the two longitudinal bag opening plates are respectively connected to the two sides of the bag feeding synchronous belt through two bag opening connecting plates, and the output end of the horizontal bag opening cylinder is connected with the bag feeding synchronous belt through one bag opening connecting plate and drives the bag feeding synchronous belt to move; the bag opening and closing device is characterized in that bag opening cylinders are symmetrically arranged above and below the longitudinal bag opening plate, and the bag opening and closing is performed on a packaging bag opening through a bag opening sucker fixedly connected with the output end of the bag opening cylinder.
Preferably, the bag supply mechanism comprises an indexing disc, the indexing disc is uniformly distributed with a plurality of bag hanging rods along the periphery of the indexing disc, the bag hanging rods are butted with a bag pushing assembly above the input end of a bag conveying belt after being rotated to a bag hanging station through the indexing disc, the bag pushing assembly comprises a bag pushing cylinder and a bag pushing slide rail extending forwards and backwards, the stretching end of the bag pushing cylinder is fixedly connected with a bag pushing slide seat sliding forwards and backwards on the bag pushing slide rail, the lower end of the bag pushing slide seat is fixedly connected with a bag pushing lifting cylinder vertically arranged, and the bottom end of the bag pushing lifting cylinder is fixedly provided with a bag pushing plate used for pushing a packaging bag on the hanging rod to the bag conveying belt.
Preferably, the package pushing mechanism comprises a package pushing arm driven by the first electric component to perform reciprocating translation front and back, the package pushing arm extends front and back and is provided with a front and back extending notch which is vertically communicated, and the notch is used for opening an opposite vertical light path of the upper and lower opposite injection sensors of the station when the package is pushed to the heat sealing station; the front part of the bag pushing arm is sequentially provided with a feeding centering assembly, a bag supporting assembly and a bag arranging and heat sealing assembly from back to front.
Preferably, first electronic subassembly includes through pushing away a packet motor drive's reduction gear, the reduction gear drive pushes away a packet driving pulley rotatory, pushes away a packet driving pulley and pushes away between the packet driven pulley the winding have around to driven packet hold-in range that pushes away, push away a packet arm and install on pushing away a packet hold-in range, and with be used for the installation to push away and be provided with the level between the stationary panel that packet owner, driven pulley and push away a packet guide rail sliding pair.
Preferably, a push arm lifting cylinder is arranged between the packet pushing synchronous belt and the packet pushing arm, a cylinder body of the push arm lifting cylinder is fixedly connected to the packet pushing synchronous belt, a piston rod is downwards fixedly connected with a push arm mounting plate, and the packet pushing arm is fixedly connected to the bottom end of the push arm mounting plate; the horizontal pushing and packing guide rail moving pair is positioned between the cylinder body of the pushing arm lifting cylinder and the fixed panel, and the vertical pushing and packing guide rail moving pair is arranged between the pushing arm mounting plate and the cylinder body of the pushing arm lifting cylinder.
Preferably, the feeding centering assembly comprises a first supporting plate, the material moving direction of the first supporting plate is the front-back direction, centering guide plates are symmetrically arranged on the left side and the right side of the top surface of the first supporting plate, and the two pairs of centering guide plates are driven by a synchronous belt transmission set to be centered and close to or far away from each other; the bag opening assembly comprises a mechanism mounting plate for mounting the whole mechanism on an equipment base, a bag opening assembly driven by a first driving assembly to perform left-right reciprocating translation is arranged below the mechanism mounting plate, the bag opening assembly comprises two bag opening molds arranged up and down, and the two bag opening molds are driven by a second driving assembly to perform vertical approaching or vertical leaving; reason bag heat-seal subassembly is including the second layer board that is used for the bearing material, the material moving direction of second layer board is preceding to, the second layer board is provided with heat-seal board, goes up preforming reason bag and presss from both sides in the top of heat-seal station, the second layer board is provided with heat-seal board, lower preforming reason bag in the below of heat-seal station and presss from both sides, the second layer board is provided with through the electronic subassembly drive of second in the left and right sides of heat-seal station along extending to the reason bag that draws close each other or keep away from the motion each other and cuts, and reason bag is cut and is used for cutting into or withdraw from the sack side central line position of organ bag.
Preferably, the four corners of the top surface of the mechanism mounting plate are in threaded connection with the bottom end of a suspension rod fixed on the equipment base; the first driving assembly comprises a horizontal moving cylinder, a piston rod of the horizontal moving cylinder extends in the left-right direction, and a cylinder body is fixedly connected to the bottom surface of the mechanism mounting plate; the end part of a piston rod of the horizontal moving cylinder is hinged with a support on the top surface of a horizontal moving plate below the piston rod, the front side and the rear side of the horizontal moving plate are fixedly connected with linear bearings, the linear bearings penetrate through guide rods fixedly connected to the bottom surface of a mechanism mounting plate, and the guide rods extend in the left-right direction; the bag opening assembly comprises a bag opening assembly and a bag opening assembly, wherein the surface of the bag opening assembly is provided with a first bag pushing through hole which is communicated from front to back, and two bag opening molds are connected with the bag opening assembly through a second driving assembly; the top of the bag supporting mounting plate is in threaded connection with a horizontal moving plate which is driven by a first driving assembly to perform left-right reciprocating translation; the second driving assembly comprises two bag supporting cylinders, the cylinder bodies of the two bag supporting cylinders are fixedly connected to the bag supporting mounting plate, the two bag supporting cylinders are arranged at the upper and lower positions of the first bag pushing port in an up-and-down mode, the piston rod of the upper bag supporting cylinder is fixedly connected with one bag supporting die downwards, and the piston rod of the lower bag supporting cylinder is fixedly connected with the other bag supporting die upwards; the bag opening molds are all horizontal bag opening plates; chamfers are arranged at the insertion ends of the bag supporting plates; vertical through round holes which are correspondingly arranged up and down are formed in the two bag supporting molds, and the round holes correspond to the notches in the vertical position.
Preferably, the upper heat-sealing plate and the lower heat-sealing plate are driven by the first lifting driving assembly to move towards or away from the bag opening; the upper preforming bag arranging clamp and the lower preforming bag arranging clamp are driven by the second lifting driving assembly to mutually approach or mutually separate towards the bag opening; the first lifting driving assembly comprises an upper heat-sealing air cylinder fixedly connected to the adjusting moving plate, and the upper heat-sealing air cylinder is bilaterally symmetrically provided with two upper heat-sealing plates, piston rods of the two upper heat-sealing plates are fixedly connected downwards and extend leftwards and rightwards; the first lifting driving assembly further comprises a lower heat-sealing air cylinder fixedly connected with the fixed frame bottom plate, and the lower heat-sealing air cylinder is bilaterally symmetrically provided with two lower heat-sealing plates, piston rods of the two lower heat-sealing plates are fixedly connected upwards and extend leftwards and rightwards; the second lifting driving assembly comprises a bag arranging clamp pneumatic finger, the upper end and the lower end of the bag arranging clamp pneumatic finger are respectively provided with a lifting piston rod, an upper preformed bag arranging clamp extending leftwards and rightwards is fixedly connected with the upper lifting piston rod of the bag arranging clamp pneumatic finger, and a lower preformed bag arranging clamp extending leftwards and rightwards is fixedly connected with the lower lifting piston rod of the bag arranging clamp pneumatic finger; the adjusting and moving plate is mounted on a fixed rack bottom plate, a ball screw pair is arranged between the adjusting and moving plate and the rack bottom plate, a sealing height adjusting motor for driving the ball screw pair is fixedly mounted on the rack bottom plate and used for driving the adjusting and moving plate to lift and adjust, and the adjusting and moving plate is matched with a vertical slide rail fixedly connected on the rack bottom plate through a slide block; the pneumatic fingers of the bag arranging clamp are fixedly connected to the sliding block and synchronously lifted and adjusted with the sliding block; the bag arranging cutters comprise cutting plates positioned on a horizontal plane, and the cutting plates are fixedly connected with air blowing pipes extending in the left-right direction and used for blowing air towards the center line of the side face of the bag opening of the organ bag; the second electric component comprises a synchronous belt arranged on the adjusting moving plate, a driving belt wheel and a driven belt wheel of the synchronous belt are both arranged on the adjusting moving plate, the driving belt wheel is driven to rotate by a servo motor, one side of the synchronous belt is fixedly connected with a left support, the left support is downwards fixedly connected with a left bag arranging cutter, the other side of the synchronous belt is fixedly connected with a right support, and the right support is downwards fixedly connected with a right bag arranging cutter; the adjusting moving plate is driven to lift through a ball screw pair; the two bag arranging cutters are always in bilateral symmetry at the middle position of the packaging bag; a bag arranging and cutting avoiding cylinder is arranged between the left support and the synchronous belt, the cylinder body of the bag arranging and cutting avoiding cylinder is fixedly connected to one side of the synchronous belt, and the piston rod of the bag arranging and cutting avoiding cylinder is fixedly connected with the left support downwards; the second supporting plate is provided with two centering clamping plates which are bilaterally symmetrical in front of the heat-sealing station, the two pairs of the centering clamping plates are driven by a horizontally placed centering pneumatic finger to move close to or away from the heat-sealing station, piston rods are arranged at the left end and the right end of the centering pneumatic finger and are fixedly connected with the centering clamping plates on the same side respectively, and a centering avoiding cylinder is arranged above the centering pneumatic finger and used for controlling the integral lifting of the centering pneumatic finger; and a second bag pushing port which is through from front to back is formed in a frame bottom plate of the heat-sealing station, and the upper and lower opposite-injection sensors are symmetrically arranged above and below the second bag pushing port.
A working method of a vacuum packaging secondary bagging machine is carried out according to the following steps:
s1 bag supply mechanism part: firstly, the dividing plate rotates to rotate a bag hanging rod to a bag pushing position and then stops;
s2: a bag pushing component part: in a reset state, the bag pushing cylinder is located at an extending position, the bag pushing lifting cylinder is located at a recycling position, the bag pushing lifting cylinder extends to drive the bag pushing plate to move downwards to the bag pushing position after the packaging bag is in place, the bag pushing lifting cylinder and the bag pushing plate slide backwards after the bag pushing cylinder retracts, and the packaging bag is pushed to the bag conveying belt from the bag hanging rod;
s3: bag feeding mechanism and bag opening mechanism: the packaging bags are conveyed to the end part by a bag conveying conveyer belt and then are driven by a bag opening air cylinder to adsorb and open the bag opening of the packaging bags, after the bag opening is opened, a horizontal bag sleeving air cylinder retracts to enable a longitudinal bag opening plate to be inserted into the bag, then a horizontal bag opening air cylinder extends out, a bag conveying synchronous belt enables a left longitudinal bag opening plate and a right longitudinal bag opening plate to move towards two sides to open the packaging bags, a bag opening air cylinder resets, then the opened packaging bags are moved to a pre-bagging position by a horizontal moving air cylinder, namely a bag opening assembly position, and the bag opening is sleeved on the bag opening plate;
s31, resetting the bag feeding mechanism and the bag opening mechanism: the horizontal bag opening cylinder resets to enable the two longitudinal bag opening plates to approach oppositely, the horizontal bag sleeving cylinder extends out to enable the longitudinal bag opening plates to be separated from the bag opening, the bag sleeving lifting cylinder resets to drive the longitudinal bag opening plates to move upwards, and the horizontal moving cylinder retracts to enable the whole bag to be translated and reset;
s4: the bag opening component part:
s41: bag feeding station of the bag opening assembly: in an initial state, the upper bag opening cylinder and the lower bag opening cylinder are both in an extending position, and after the packaging bags are sleeved on the bag opening plate, the upper bag opening cylinder and the lower bag opening cylinder contract simultaneously to open the openings of the packaging bags;
s42: bag pushing station of the bag opening assembly: the bag opening is supported by the bag supporting component, and the bag opening is driven by the first driving component to move horizontally from the bag feeding station to the bag pushing station and then waits for bag pushing;
s5: feed centering assembly part:
s51: feeding station of the feeding centering assembly: the materials are positioned on the first supporting plate and are drawn together through the two pairs of middle guide plates to be centered and guided, and a package is pushed;
s6: in an initial state, the bag pushing arm is positioned at the bag pushing origin; when the materials are ready on the feeding centering assembly, the material is pushed forwards by the lower wrapping arm under the guidance of the centering guide plate;
s7: when the materials are about to go out of the feeding centering assembly, the correlation sensor detects for one time, the bag opening assembly carries the packaging bag in place, the bag pushing arm directly moves forward, and the materials enter the packaging bag through the two bag opening molds; when the materials completely fall into the packaging bags and continue to advance, the two bag supporting molds do not clamp the packaging bags any more, the packaging bags and the materials are pushed forwards to a heat sealing station by a bag pushing arm together, when the material bags (with the material packaging bags) are clamped by the two pairs of middle clamping plates, the material bags are straightened, and the material bag belts are damped by friction force, so that the moving speed of the bag pushing arm is reduced; when the materials and the packaging bags slowly move forwards, the bag openings of the packaging bags are gradually separated from the bag opening mold, when the round holes of the bag opening mold are exposed, the vertical light paths are vertically and oppositely communicated, the bag opening positions of the packaging bags are detected by the opposite-emitting sensor, and the bag pushing motor starts to calculate pulses;
s8: after the bag opening is detected, the bag opening component is withdrawn in advance, the bag pushing arm is withdrawn after the material reaches the end point, the bag pushing arm retreats to the original point at full speed when the material is sealed, and the next working process is carried out; then:
s81: the bag arranging action of the bag arranging and heat sealing assembly is as follows: in the initial state, the upper and lower heat-sealing cylinders are in a retraction state, the upper and lower preformed bag arranging clamps are in an opening state, and the bag arranging clamps are cut left and right on the material to be ready for positioning; setting the motion law of the bag arranging cutter by a servo motor, after the heat-sealing material is in place, starting blowing by a blowing pipe on the bag arranging cutter, and cutting the bag arranging cutter in a centering way to be punched on the central line of the side surface of the bag opening of the packaging bag so as to form a stable M edge on the organ bag; at the moment, the upper and lower preforming bag arranging clamps act, and the bag arranging cutter further cuts the bag at the same time until the upper and lower preforming bag arranging clamps act completely, and the bag opening preforming is finished when only one slit is left for the bag arranging cutter to withdraw;
s82: and (3) heat sealing action of the bag tidying and heat sealing assembly: after the bag opening is preformed and the bag is arranged and removed, the upper heat-sealing plate moves in advance, the action end point falls on the center line of the bag arranging clamp, and then the lower heat-sealing plate moves to clamp the bag opening and stay for a certain time to complete heat sealing;
s9, a discharging mechanism: and discharging through a discharging conveyer belt of a discharging mechanism after heat sealing is finished.
Compared with the prior art, the invention has the following beneficial effects: the vacuum packaging secondary bagging machine is simple in structure, stable in step sequence and high in automation degree. Push away a packet arm and carry out reciprocating translation from beginning to end through the drive of first electric component, be responsible for in the wrapping bag that advances the sack and strut the material to continue to push away the wrapping bag of taking the material and move forward to appointed heat-seal position, respond to when the correlation light path of the upper and lower correlation sensor of heat-seal station passes the notch, push away the packet promptly and target in place.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.
Fig. 2 is a first structural diagram of the rack removal according to the embodiment of the present invention.
Fig. 3 is a second schematic view of the structure of the embodiment of the invention with the rack removed.
FIG. 4 is a schematic structural diagram of a bag supply mechanism according to an embodiment of the present invention.
FIG. 5 is a schematic diagram of the structure of the bag feeding mechanism and the bag opening mechanism according to the embodiment of the present invention.
Fig. 6 is an enlarged schematic view of the bag opening mechanism of fig. 5.
FIG. 7 is a schematic diagram of the butt joint of the bag feeding mechanism and the bag pushing mechanism in the embodiment of the present invention.
Fig. 8 is a schematic configuration diagram of an embodiment of the present invention.
Fig. 9 is a first schematic view of the structure of the bag arranging and heat sealing assembly.
Fig. 10 is a second schematic view of the structure of the bag arranging and heat sealing assembly.
Fig. 11 is a schematic view showing the structure of the bag arranging and heat sealing assembly.
Fig. 12 is a schematic view of a bag arranging cutter.
Fig. 13 is a partially enlarged view a of fig. 9.
Fig. 14 is a partially enlarged view B of fig. 10.
Fig. 15 is a first schematic view of the construction of the bag opening assembly.
FIG. 16 is a second schematic view of the construction of the bag-propping assembly.
FIG. 17 is a schematic view of a bag opening of the bag opening assembly.
Fig. 18 is a schematic diagram of the working state of pushing the package into place.
Fig. 19 is a schematic view showing the first working state of the bag arranging and heat sealing.
Fig. 20 is a schematic view of the second working state of the bag arranging and heat sealing.
Fig. 21 is a third schematic view of the working state of the bag arranging and heat sealing.
Fig. 22 is a fourth schematic view of the working state of the bag arranging and heat sealing.
Fig. 23 is a fifth schematic view of the working state of the bag arranging and heat sealing.
Fig. 24 is a sixth schematic view of the working state of the bag arranging and heat sealing.
Fig. 25 is a view showing a finished seal of the packaging bag.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure herein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1-25, a vacuum packaging secondary sack filling machine, including frame 1 and rack-mounted confession bag mechanism D, send bag mechanism E, prop bag mechanism F, push away a packet mechanism C, discharge mechanism G, send bag mechanism to include that the level extends in order to carry the bag of sending of wrapping bag conveyer belt E5, send bag conveyer belt output to prop the sack and with pushing away the butt joint of bag subassembly of bag mechanism through propping bag mechanism, the wrapping bag is through supplying the bag mechanism to step-by-step carry to the bag conveyer belt input of sending of bag mechanism, pushes away a packet mechanism output and discharge mechanism's discharge conveyor belt G1 butt joint.
In the embodiment of the invention, the bag feeding mechanism comprises a bag feeding slide rail E1 extending forwards and backwards above the output end of the bag feeding conveyor belt, a vertically placed bag sleeving lifting cylinder E2 is connected onto the bag feeding slide rail in a sliding manner, the rear end of the bag sleeving cylinder is fixedly connected with a horizontal bag sleeving cylinder E3 which is favorable for driving the bag sleeving lifting cylinder to reciprocate forwards and backwards, and the output end of the horizontal bag sleeving cylinder is connected with a horizontal moving cylinder E4 which is used for driving the horizontal bag sleeving cylinder and the bag sleeving lifting cylinder to integrally slide forwards and backwards; the output end of the bottom of the bag-supporting lifting cylinder is connected with a bag-supporting mechanism, the bag-supporting mechanism comprises two longitudinal bag-supporting plates F1, the two longitudinal bag-supporting plates are driven by a bag-feeding synchronous belt assembly to be centered and close or far away from a bag, the bag-feeding synchronous belt assembly comprises a bag-feeding synchronous belt F2 and a mounting plate F3 used for mounting a bag-feeding synchronous belt and connected with the bag-supporting lifting cylinder, a horizontal bag-supporting cylinder F4 is fixedly arranged on the mounting plate, the two longitudinal bag-supporting plates are respectively connected to the two sides of the bag-feeding synchronous belt through two bag-supporting connecting plates F5, and the output end of the horizontal bag-supporting cylinder is connected with the bag-feeding synchronous belt through one of the bag-supporting connecting plates and drives the bag-feeding synchronous belt to move around a shaft; bag opening cylinders F6 are symmetrically arranged above and below the longitudinal bag opening plate, and bag opening suction cups F7 fixedly connected with the output ends of the bag opening cylinders are used for opening and closing the bag opening.
In the embodiment of the invention, the bag supply mechanism comprises an index plate D1, a plurality of bag hanging rods D2 are uniformly distributed on the index plate along the periphery of the index plate, the bag hanging rods are butted with a bag pushing assembly D3 above the input end of the bag feeding conveying belt after being transferred to a bag hanging station through the index plate, the bag pushing assembly comprises a bag pushing cylinder D4 and a bag pushing sliding rail D5 extending forwards and backwards, the extending end of the bag pushing cylinder is fixedly connected with a bag pushing sliding seat D6 sliding forwards and backwards on the bag pushing sliding rail, the lower end of the bag pushing sliding seat is fixedly connected with a vertically arranged bag pushing lifting cylinder D7, and the bottom end of the bag pushing lifting cylinder is fixedly provided with a bag pushing plate D8 used for pushing a packaging bag on the hanging rod to the bag feeding conveying belt.
In the embodiment of the invention, the bag pushing mechanism comprises a bag pushing arm C1 driven by the first electric component to perform reciprocating translation back and forth, the bag pushing arm extends back and forth and is provided with a front and back extending notch C2 which is vertically communicated, the notch is used for opening a correlation vertical light path of a correlation sensor C19 and a lower correlation sensor C3 on a heat sealing station when the bag is pushed to the station, and the front end of the bag pushing arm is a bag pushing end part and is used for abutting materials.
In the embodiment of the invention, the first electric component comprises a speed reducer C5 driven by a bag pushing motor C4, the speed reducer drives a bag pushing driving pulley to rotate, a bag pushing synchronous belt C7 for forward and backward transmission is wound between the bag pushing driving pulley and the bag pushing driven pulley C6, the bag pushing arm is installed on the bag pushing synchronous belt, and a horizontal bag pushing guide rail moving pair C8 is arranged between the bag pushing arm and a fixed panel C20 for installing a bag pushing driving pulley and a bag pushing driven pulley.
In the embodiment of the invention, a push arm lifting cylinder C9 is arranged between the packet pushing synchronous belt and the packet pushing arm, the cylinder body of the push arm lifting cylinder is fixedly connected to the packet pushing synchronous belt, the piston rod of the push arm lifting cylinder is fixedly connected with a push arm mounting plate C10 downwards, and the packet pushing arm is fixedly connected to the bottom end of the push arm mounting plate; the horizontal bag pushing guide rail moving pair is positioned between the cylinder body of the pushing arm lifting cylinder and the fixed panel, and a vertical bag pushing guide rail moving pair C11 is arranged between the pushing arm mounting plate and the cylinder body of the pushing arm lifting cylinder. The sliding block of the horizontal bale-pushing guide rail moving pair is arranged on the cylinder body, and the guide rail is arranged on the fixed panel; the slide block of the vertical package pushing guide rail moving pair is arranged on the pushing arm mounting plate, and the guide rail is arranged on the cylinder body.
In the embodiment of the invention, a feeding centering assembly C12, a bag opening assembly C13 and a bag arranging and heat sealing assembly C14 are sequentially arranged in front of the bag pushing arm from back to front.
In the embodiment of the invention, the feeding centering assembly comprises a first supporting plate C15, the material moving direction of the first supporting plate is front-back, centering guide plates C16 are symmetrically arranged on the left side and the right side of the top surface of the first supporting plate, and the two pairs of centering guide plates are driven by a synchronous belt transmission group C17 to be centered and close or far away. The structure of the synchronous belt transmission group C17 is the same as that of a second electric component which drives the bag tidying heat-sealing component to close or keep away.
In the embodiment of the invention, the bag supporting assembly comprises a mechanism mounting plate A1 used for mounting the whole mechanism on the equipment base, a bag supporting assembly driven by a first driving assembly to perform left-right reciprocating translation is arranged below the mechanism mounting plate, the bag supporting assembly comprises two bag supporting molds arranged up and down, and the two bag supporting molds are driven by a second driving assembly to perform vertical approaching or vertical separating.
In the embodiment of the invention, the four corners of the top surface of the mechanism mounting plate are in threaded connection with the bottom end of a suspension rod A3 fixed on a machine base of the equipment; the first driving assembly comprises a horizontal moving air cylinder A4, a piston rod of the horizontal moving air cylinder extends in the left-right direction, and a cylinder body is fixedly connected to the bottom surface of the mechanism mounting plate; the end part of a piston rod of the horizontal moving cylinder is hinged with a top surface support of a horizontal moving plate A5 below the horizontal moving cylinder, the front side and the rear side of the horizontal moving plate are fixedly connected with linear bearings A6, the linear bearings penetrate through guide rods A7 fixedly connected to the bottom surface of the mechanism mounting plate, and the guide rods extend in the left-right direction; the bag supporting assembly further comprises a bag supporting mounting plate A8, a first bag pushing through opening A9 which is through from front to back is formed in the plate surface of the bag supporting mounting plate, and the two bag supporting molds are connected with the bag supporting mounting plate through a second driving assembly; the top of the bag supporting mounting plate is in threaded connection with a horizontal moving plate which is driven by a first driving assembly to perform left-right reciprocating translation; the second driving assembly comprises two bag supporting cylinders A10, the cylinder bodies of which are fixedly connected to a bag supporting mounting plate, the two bag supporting cylinders are arranged at the upper and lower positions of the first bag pushing port, the piston rod of the upper bag supporting cylinder is downwards fixedly connected with a bag supporting die, and the piston rod of the lower bag supporting cylinder is upwards fixedly connected with the other bag supporting die; the upper bag supporting cylinder and the lower bag supporting cylinder are both three-piston-rod cylinders; the bag opening molds are all horizontal bag opening plates; inserting ends of the bag supporting plates are provided with chamfers.
In the embodiment of the invention, the two bag supporting molds are provided with vertically through round holes which are correspondingly arranged up and down, and the round holes correspond to the notches in the vertical position.
In the embodiment of the invention, the bag arranging and heat sealing assembly comprises a second supporting plate B2 used for supporting a material B1, the material moving direction of the second supporting plate is front and back, an upper heat sealing plate B3 and an upper preformed bag arranging clamp B4 are arranged above the heat sealing station of the second supporting plate, a lower heat sealing plate B5 and a lower preformed bag arranging clamp B6 are arranged below the heat sealing station of the second supporting plate, bag arranging cutters B7 driven by a second electric assembly to move close to or away from each other along left and right extension directions are symmetrically arranged on the left and right sides of the heat sealing station of the second supporting plate, and the bag arranging cutters are used for cutting into or withdrawing from the center line position of the side face of the bag opening of the bag A11. The upper and lower preforming bag arranging clamps and bag arranging cutters are mainly responsible for arranging the shape and preforming of the bag opening, and the upper and lower heat sealing plates are responsible for heat sealing of the bag opening.
In the embodiment of the invention, the upper heat-sealing plate and the lower heat-sealing plate are driven by the first lifting driving assembly to mutually approach or separate towards the bag opening; the upper preforming bag arranging clamp and the lower preforming bag arranging clamp are driven by the second lifting driving assembly to mutually approach or mutually separate towards the bag opening; the first lifting driving assembly comprises an upper heat-sealing air cylinder B9 fixedly connected to the adjusting moving plate B8, the upper heat-sealing air cylinder is bilaterally symmetrically provided with two upper heat-sealing plates, piston rods of the two upper heat-sealing air cylinders are fixedly connected downwards and extend leftwards and rightwards; the first lifting driving assembly further comprises a lower heat-sealing air cylinder B11 fixedly connected with a fixed rack bottom plate B10, and the lower heat-sealing air cylinder is bilaterally symmetrically provided with two lower heat-sealing plates, wherein piston rods of the lower heat-sealing air cylinders are fixedly connected upwards and extend leftwards and rightwards; the second lifting driving assembly comprises a bag arranging clamp pneumatic finger B12, the upper end and the lower end of the bag arranging clamp pneumatic finger are respectively provided with a lifting piston rod, an upper preformed bag arranging clamp extending leftwards and rightwards is fixedly connected with the upper lifting piston rod of the bag arranging clamp pneumatic finger, and a lower preformed bag arranging clamp extending leftwards and rightwards is fixedly connected with the lower lifting piston rod of the bag arranging clamp pneumatic finger; the adjusting and moving plate is mounted on a fixed rack bottom plate, a ball screw pair B13 is arranged between the adjusting and moving plate and the rack bottom plate, a sealing height adjusting motor B14 for driving the ball screw pair is fixedly mounted on the rack bottom plate and used for driving the adjusting and moving plate to lift and adjust, and the adjusting and moving plate is matched with a vertical sliding rail B16 fixedly connected on the rack bottom plate through a sliding block B15; the pneumatic fingers of the bag arranging clamp are fixedly connected to the sliding block and synchronously lifted and adjusted with the sliding block; the bag arranging cutters comprise cutting plates positioned on a horizontal plane, and the cutting plates are fixedly connected with air blowing pipes B17 extending in the left-right direction and used for blowing air towards the center line of the side face of the bag opening of the organ bag, have the functions of shifting the bag opening and shaping the air blowing, and complete bag arranging actions together with the upper and lower pre-forming bag arranging clamps; the second electric component comprises a synchronous belt B18 arranged on the adjusting moving plate, a driving belt wheel B19 and a driven belt wheel B20 of the synchronous belt are both arranged on the adjusting moving plate, the driving belt wheel is driven to rotate by a servo motor B21, one side of the synchronous belt is fixedly connected with a left bracket B22, the left bracket is fixedly connected with a left bag arranging cutter downwards, the other side of the synchronous belt is fixedly connected with a right bracket B23, and the right bracket is fixedly connected with a right bag arranging cutter downwards; the adjusting moving plate is driven to lift through a ball screw pair; the two bag arranging cutters are always in bilateral symmetry at the middle position of the packaging bag; a bag arranging and cutting avoiding cylinder B24 is arranged between the left bracket and the synchronous belt, the cylinder body of the bag arranging and cutting avoiding cylinder is fixedly connected with one side of the synchronous belt, and the piston rod of the bag arranging and cutting avoiding cylinder is fixedly connected with the left bracket downwards; the bag arranging and cutting avoiding cylinder and the right bracket are matched with a horizontal guide rail B25 fixedly connected on the adjusting and moving plate through a slide block; the second supporting plate is provided with two bilateral symmetrical centering clamping plates B26 in front of the heat-sealing station, the two pairs of centering clamping plates are driven to be close to or far away from each other by a horizontally placed centering pneumatic finger B27, piston rods are arranged at the left end and the right end of the centering pneumatic finger and are fixedly connected with the centering clamping plates on the same side respectively, and a centering avoiding cylinder B28 is arranged above the centering pneumatic finger and used for controlling the overall lifting of the centering pneumatic finger. The left bag arranging cutter and the right bag arranging cutter are positioned on two sides of the heat-sealing working position, are driven by a servo motor and are driven by a synchronous belt to do synchronous centering motion on the horizontal guide rail, the motion stroke and the motion speed of the left bag arranging cutter are controlled by the servo motor, the left bag arranging cutter and the right bag arranging cutter can meet the bag arranging requirements of materials with different specifications, and manual adjusting mechanisms are not needed. The bag arranging and cutting avoiding cylinder is used for driving the left bag arranging and cutting to ascend to avoid the track of the outer packaging bag entering the heat sealing working position, and the centering avoiding cylinder is used for driving the two pairs of middle clamping plates to ascend to avoid the track of the outer packaging bag entering the heat sealing working position. The upper preforming bag arranging clamp and the lower preforming bag arranging clamp are located at the upper position and the lower position of the heat-sealing working position and fixed on a bag arranging clamp pneumatic finger capable of doing centering motion, and when the bag arranging clamp pneumatic finger is closed, a certain gap is reserved between the upper preforming bag arranging clamp and the lower preforming bag arranging clamp without contact. The upper heat sealing plate and the lower heat sealing plate are positioned on the same vertical plane, the upper preformed bag arranging clamp and the lower preformed bag arranging clamp are positioned on the other vertical plane, and the heat sealing plates are adjacent to the two vertical planes of the bag arranging clamps.
In the embodiment of the invention, a second bag pushing through hole C18 which is through from front to back is formed in the bottom plate of the machine frame of the heat sealing station, and the upper and lower opposite injection sensors are symmetrically arranged above and below the second bag pushing through hole.
In the embodiment of the invention, the first supporting plate, the first bag pushing through hole, the second bag pushing through hole and the second supporting plate are sequentially and adjacently connected from back to front. Wherein two prop the bag mould and link up in first pushing away between package opening and the second pushing away the package opening, make the material in the fore-and-aft direction of movement unimpededly and can not drop.
A working method of a vacuum packaging secondary bagging machine is carried out according to the following steps:
s1 bag supply mechanism part: firstly, the dividing plate rotates to rotate a bag hanging rod to a bag pushing position and then stops;
s2: a bag pushing component part: the bag pushing lifting cylinder extends to drive the bag pushing plate to move downwards to the bag pushing position after the packaging bags are in place, the bag pushing lifting cylinder retracts to enable the bag pushing lifting cylinder and the bag pushing plate to slide backwards, and the packaging bags are pushed to the bag conveying belt from the bag hanging rod;
s3: bag feeding mechanism and bag opening mechanism: the packaging bags are conveyed to the end part by a bag conveying conveyer belt and then are driven by a bag opening air cylinder to adsorb and open the bag opening of the packaging bags, after the bag opening is opened, a horizontal bag sleeving air cylinder retracts to enable a longitudinal bag opening plate to be inserted into the bag, then a horizontal bag opening air cylinder extends out, a bag conveying synchronous belt enables a left longitudinal bag opening plate and a right longitudinal bag opening plate to move towards two sides to open the packaging bags, a bag opening air cylinder resets, then the opened packaging bags are moved to a pre-bagging position by a horizontal moving air cylinder, namely a bag opening assembly position, and the bag opening is sleeved on the bag opening plate;
s31, resetting the bag feeding mechanism and the bag opening mechanism: the horizontal bag opening cylinder resets to enable the two longitudinal bag opening plates to approach oppositely, the horizontal bag sleeving cylinder extends out to enable the longitudinal bag opening plates to be separated from the bag opening, the bag sleeving lifting cylinder resets to drive the longitudinal bag opening plates to move upwards, and the horizontal moving cylinder retracts to enable the whole bag to be translated and reset;
s4: the bag opening component part:
s41: bag feeding station of the bag opening assembly: in the initial state, the upper bag opening cylinder and the lower bag opening cylinder are both in the extending positions, and after the packaging bag A11 is sleeved on the bag opening plate, the upper bag opening cylinder and the lower bag opening cylinder contract simultaneously to open the opening of the packaging bag.
S42: bag pushing station of the bag opening assembly: the bag opening is supported by the bag supporting component, and the bag opening is driven by the first driving component to move horizontally from the bag feeding station to the bag pushing station to wait for bag pushing.
S5: feed centering assembly part:
s51: feeding station of the feeding centering assembly: the material is located first layer board and draws close through two pairs of middle baffle and to center and lead just, waits to push away the package.
S6: in the initial state, as shown in fig. 8, the push-wrapping arm is located at the push-wrapping origin. When the materials are ready on the feeding centering assembly, the material is pushed forward by the lower wrapping arm under the guidance of the centering guide plate.
S7: when the materials are about to go out of the feeding centering assembly, the correlation sensor detects for one time, if the packaging bag of the bag opening assembly is not in place, the packaging bag stays for waiting, if the packaging bag is carried in place (namely, the round hole is blocked, and the correlation vertical light path is not communicated), the bag pushing arm directly moves forward, and the materials enter the packaging bag through the two bag opening molds. When the materials completely fall into the packaging bags and continue to advance, the packaging bags are not clamped by the two bag supporting molds, the packaging bags and the materials are pushed forward to a heat sealing station by the bag pushing arms together, when the two pairs of middle clamping plates clamp the materials (with the material packaging bags) with the force adjusted in size, the materials are wrapped in a damping mode by means of friction force while the materials are straightened, and the moving speed of the bag pushing arms is reduced to a lower level. When the material and the packaging bag slowly move forwards, the bag opening of the packaging bag is gradually separated from the bag opening supporting die, when the round hole of the bag supporting die is exposed, the vertical light path is vertically and oppositely emitted, the bag opening position of the packaging bag is detected by the opposite-emitting sensor, the bag pushing motor starts to calculate pulses, the material is stably conveyed to a specified position according to a set value, and the expected length of the sealing margin (shown in figure 25) can be stably obtained at the position, so that the sealing margin of the packaging finished product is not affected by the errors of the shape and the size of the material and the volume and the size of the packaging bag, and the sealing is tidy and attractive.
S8: after the bag opening is detected, the bag opening component can be withdrawn in advance, the bag pushing arm is pushed to withdraw after the material reaches the end point, and the bag pushing arm retreats to the original point at full speed when the material is sealed, so that the next working flow is carried out. Then:
s81: bag arranging action of the bag arranging and heat sealing assembly: in the initial state, the upper and lower heat-sealing cylinders are in a retracted state, the upper and lower pre-forming bag arranging clamps are in an opened state, and the bag arranging clamps are cut left and right of the materials to be ready for positioning. The motion law of the bag arranging cutter is set by a servo motor, as shown in fig. 19-22, after the heat-sealing material is in place, the air blowing pipe on the bag arranging cutter starts to blow air, and the bag arranging cutter is cut in the middle to be punched on the central line of the side face of the bag opening of the packaging bag, so that the organ bag forms a stable M-shaped edge. At the moment, the upper and lower preforming bag arranging clamps act, and the bag arranging cutter cuts further at the same time until the upper and lower preforming bag arranging clamps act completely, and the bag opening preforming is finished when only one slit is left for the bag arranging cutter to withdraw. In the whole bag arranging process, the bag opening is actually contacted with the bag arranging cutter and the bag arranging clamp, and the forming result is stable and reliable.
S82: and (3) heat sealing action of the bag tidying and heat sealing assembly: as shown in figures 23-24, after the bag mouth is preformed and the bag is arranged and cut out, the upper heat sealing plate moves in advance, the moving end point of the upper heat sealing plate is determined by the structure and is necessarily located on the center line of the bag clamp, and then the lower heat sealing plate moves to clamp the bag mouth and stay for a certain time to complete heat sealing. When the upper and lower heat-seal cylinders are selected, the thrust of the lower heat-seal cylinder is ensured to be smaller than that of the upper heat-seal cylinder, so that the cylinder diameter of the lower heat-seal cylinder is smaller, or the pressure is controlled by a pressure regulating valve.
Considering that two layers of packaging bag films are arranged in the middle part when the mouth of an organ packaging bag is folded, and 4 layers are arranged on two sides stacked by the M edge, air cylinders are arranged on two sides of the upper heat sealing plate and the lower heat sealing plate, so that the sealing stress is uniform, and the indentation depth is consistent. After the heat sealing is finished, the upper heat-sealing cylinder and the lower heat-sealing cylinder retract simultaneously, finished products are sent out, and the mechanism returns to the initial state.
S9, a discharging mechanism: and discharging through a discharging conveyer belt of a discharging mechanism after heat sealing is finished.
The height of sealing in this pushes away a packet mechanism is unanimous all the time with the reason bag height by structural constraint, and by the height control motor control of sealing in figure 10, and the reason bag surely receives horizontal reason bag servo motor control, and all powers are all automatically controlled, only need select predetermined parameter combination when switching packaging specification, can adjust the mechanism fast and accurately, need not manual interference, and is safe, high-efficient, convenient.
The invention is not limited to the best mode, and any person can derive other various forms of vacuum packaging secondary bagging machines and working methods thereof under the teaching of the invention. All equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims (10)

1. The utility model provides a vacuum packaging secondary sack filling machine which characterized in that: including frame and rack-mounted supply bag mechanism, send bag mechanism, prop bag mechanism, push away a packet mechanism, discharge mechanism, send bag mechanism to include that the level extends in order to carry the bag conveyer belt that sends of wrapping bag, send bag conveyer belt output to prop the sack and with push away a packet mechanism prop a bag subassembly butt joint through propping a bag mechanism, the wrapping bag is carried to sending bag conveyer belt input of sending bag mechanism step-by-step, pushes away a packet mechanism output and discharge mechanism's discharge conveyor belt butt joint through supplying bag mechanism.
2. The vacuum packaging secondary bagging machine of claim 1, wherein: the bag conveying mechanism comprises a bag conveying slide rail which extends forwards and backwards above the output end of the bag conveying conveyer belt, a vertically placed bagging lifting cylinder is connected onto the bag conveying slide rail in a sliding mode, a horizontal bagging cylinder which is favorable for driving the bagging lifting cylinder to reciprocate forwards and backwards is fixedly connected to the rear end of the bagging cylinder, and the output end of the horizontal bagging cylinder is connected with a horizontal moving cylinder which is used for driving the horizontal bagging cylinder and the bagging lifting cylinder to integrally slide forwards and backwards; the bag opening mechanism comprises two longitudinal bag opening plates, the two longitudinal bag opening plates are driven by a bag feeding synchronous belt assembly to center and approach or keep away from a bag, the bag feeding synchronous belt assembly comprises a bag feeding synchronous belt and a mounting plate, the mounting plate is used for mounting the bag feeding synchronous belt and is connected with the bag opening lifting cylinder, a horizontal bag opening cylinder is fixedly arranged on the mounting plate, the two longitudinal bag opening plates are respectively connected to two sides of the bag feeding synchronous belt through two bag opening connecting plates, and the output end of the horizontal bag opening cylinder is connected with the bag feeding synchronous belt through one bag opening connecting plate and drives the bag feeding synchronous belt to move; the bag opening and closing device is characterized in that bag opening cylinders are symmetrically arranged above and below the longitudinal bag opening plate, and the bag opening and closing is performed on a packaging bag opening through a bag opening sucker fixedly connected with the output end of the bag opening cylinder.
3. The vacuum packaging secondary bagging machine of claim 1, wherein: the bag supply mechanism comprises an indexing disc, the indexing disc is uniformly distributed along the periphery of the indexing disc and is connected with a plurality of bag hanging rods, the bag hanging rods are connected with a bag pushing assembly above the input end of a bag conveying belt in a butt joint mode after being rotated to a bag hanging station through the indexing disc, the bag pushing assembly comprises a bag pushing cylinder and a bag pushing slide rail extending front and back, the bag pushing cylinder extends out of the bag pushing slide rail, the bag pushing slide rail slides front and back and is fixedly connected with the end, the lower end of the bag pushing slide rail is fixedly connected with a bag pushing lifting cylinder vertically arranged, and the bottom end of the bag pushing lifting cylinder is fixedly provided with a bag pushing plate used for pushing a packaging bag on the hanging rod to the bag conveying belt.
4. The vacuum packaging secondary bagging machine of claim 1, wherein: the package pushing mechanism comprises a package pushing arm driven by a first electric component to perform reciprocating translation front and back, the package pushing arm extends front and back and is provided with a front and back extending notch which is vertically communicated, and the notch is used for opening the correlation vertical light path of the upper and lower correlation sensors of the station when packages are pushed to the heat sealing station; the front part of the bag pushing arm is sequentially provided with a feeding centering assembly, a bag supporting assembly and a bag arranging and heat sealing assembly from back to front.
5. The vacuum packaging secondary bagging machine of claim 4, wherein: first electric component includes through pushing away a packet motor drive's reduction gear, it is rotatory that the reduction gear drive pushes away a packet driving pulley, pushes away a packet driving pulley and pushes away between the packet driven pulley winding have around to driven packet hold-in range that pushes away, push away a packet arm and install on pushing away a packet hold-in range, and with be used for the installation to push away and be provided with the level between the stationary panel that packet owner, driven pulley and push away a packet guide rail sliding pair.
6. The vacuum packaging secondary bagging machine of claim 5, wherein: a push arm lifting cylinder is arranged between the packet pushing synchronous belt and the packet pushing arm, a cylinder body of the push arm lifting cylinder is fixedly connected to the packet pushing synchronous belt, a piston rod is fixedly connected with a push arm mounting plate downwards, and the packet pushing arm is fixedly connected to the bottom end of the push arm mounting plate; the horizontal pushing and packing guide rail moving pair is positioned between the cylinder body of the pushing arm lifting cylinder and the fixed panel, and the vertical pushing and packing guide rail moving pair is arranged between the pushing arm mounting plate and the cylinder body of the pushing arm lifting cylinder.
7. The vacuum packaging secondary bagging machine of claim 4, wherein: the feeding centering assembly comprises a first supporting plate, the material moving direction of the first supporting plate is the front-back direction, centering guide plates are symmetrically arranged on the left side and the right side of the top surface of the first supporting plate, and the two pairs of the centering guide plates are driven by a synchronous belt transmission set to be centered and close to or far away from each other; the bag opening assembly comprises a mechanism mounting plate for mounting the whole mechanism on an equipment base, a bag opening assembly driven by a first driving assembly to perform left-right reciprocating translation is arranged below the mechanism mounting plate, the bag opening assembly comprises two bag opening molds arranged up and down, and the two bag opening molds are driven by a second driving assembly to perform vertical approaching or vertical leaving; reason bag heat-seal subassembly is including the second layer board that is used for the bearing material, the material moving direction of second layer board is preceding to, the second layer board is provided with heat-seal board, goes up preforming reason bag and presss from both sides in the top of heat-seal station, the second layer board is provided with heat-seal board, lower preforming reason bag in the below of heat-seal station and presss from both sides, the second layer board is provided with through the electronic subassembly drive of second in the left and right sides of heat-seal station along extending to the reason bag that draws close each other or keep away from the motion each other and cuts, and reason bag is cut and is used for cutting into or withdraw from the sack side central line position of organ bag.
8. The vacuum packaging secondary bagging machine of claim 7, wherein: the four corners of the top surface of the mechanism mounting plate are in threaded connection with the bottom end of a suspension rod fixed on the equipment base; the first driving assembly comprises a horizontal moving cylinder, a piston rod of the horizontal moving cylinder extends in the left-right direction, and a cylinder body is fixedly connected to the bottom surface of the mechanism mounting plate; the end part of a piston rod of the horizontal moving cylinder is hinged with a support on the top surface of a horizontal moving plate below the piston rod, linear bearings are fixedly connected to the front side and the rear side of the horizontal moving plate, the linear bearings penetrate through guide rods fixedly connected to the bottom surface of a mechanism mounting plate, and the guide rods extend in the left-right direction; the bag opening assembly comprises a bag opening assembly and a bag opening assembly, wherein the surface of the bag opening assembly is provided with a first bag pushing through hole which is communicated from front to back, and two bag opening molds are connected with the bag opening assembly through a second driving assembly; the top of the bag supporting mounting plate is in threaded connection with a horizontal moving plate which is driven by a first driving assembly to perform left-right reciprocating translation; the second driving assembly comprises two bag supporting cylinders, the cylinder bodies of the two bag supporting cylinders are fixedly connected to the bag supporting mounting plate, the two bag supporting cylinders are arranged at the upper and lower positions of the first bag pushing port in an up-and-down mode, the piston rod of the upper bag supporting cylinder is fixedly connected with one bag supporting die downwards, and the piston rod of the lower bag supporting cylinder is fixedly connected with the other bag supporting die upwards; the bag opening molds are all horizontal bag opening plates; chamfers are arranged at the insertion ends of the bag supporting plates; vertical through round holes which are correspondingly arranged up and down are formed in the two bag supporting molds, and the round holes correspond to the notches in the vertical position.
9. The vacuum packaging secondary bagging machine of claim 7, wherein: the upper heat-sealing plate and the lower heat-sealing plate are driven by the first lifting driving assembly to move towards the bag opening and move away from the bag opening; the upper preforming bag arranging clamp and the lower preforming bag arranging clamp are driven by the second lifting driving assembly to mutually approach or mutually separate towards the bag opening; the first lifting driving assembly comprises an upper heat-sealing air cylinder fixedly connected to the adjusting moving plate, and the upper heat-sealing air cylinder is bilaterally symmetrically provided with two upper heat-sealing plates, piston rods of the two upper heat-sealing plates are fixedly connected downwards and extend leftwards and rightwards; the first lifting driving assembly further comprises a lower heat-sealing air cylinder fixedly connected with the fixed frame bottom plate, and the lower heat-sealing air cylinder is bilaterally symmetrically provided with two lower heat-sealing plates, piston rods of the two lower heat-sealing plates are fixedly connected upwards and extend leftwards and rightwards; the second lifting driving assembly comprises a bag arranging clamp pneumatic finger, the upper end and the lower end of the bag arranging clamp pneumatic finger are respectively provided with a lifting piston rod, an upper preformed bag arranging clamp extending leftwards and rightwards is fixedly connected with the upper lifting piston rod of the bag arranging clamp pneumatic finger, and a lower preformed bag arranging clamp extending leftwards and rightwards is fixedly connected with the lower lifting piston rod of the bag arranging clamp pneumatic finger; the adjusting and moving plate is mounted on a fixed rack bottom plate, a ball screw pair is arranged between the adjusting and moving plate and the rack bottom plate, a sealing height adjusting motor for driving the ball screw pair is fixedly mounted on the rack bottom plate and used for driving the adjusting and moving plate to lift and adjust, and the adjusting and moving plate is matched with a vertical slide rail fixedly connected on the rack bottom plate through a slide block; the pneumatic fingers of the bag arranging clamp are fixedly connected to the sliding block and synchronously lifted and adjusted with the sliding block; the bag arranging cutters comprise cutting plates positioned on a horizontal plane, and the cutting plates are fixedly connected with air blowing pipes extending in the left-right direction and used for blowing air towards the center line of the side face of the bag opening of the organ bag; the second electric component comprises a synchronous belt arranged on the adjusting moving plate, a driving belt wheel and a driven belt wheel of the synchronous belt are both arranged on the adjusting moving plate, the driving belt wheel is driven to rotate by a servo motor, one side of the synchronous belt is fixedly connected with a left support, the left support is downwards fixedly connected with a left bag arranging cutter, the other side of the synchronous belt is fixedly connected with a right support, and the right support is downwards fixedly connected with a right bag arranging cutter; the adjusting moving plate is driven to lift through a ball screw pair; the two bag arranging cutters are always in bilateral symmetry at the middle position of the packaging bag; a bag arranging and cutting avoiding cylinder is arranged between the left support and the synchronous belt, the cylinder body of the bag arranging and cutting avoiding cylinder is fixedly connected to one side of the synchronous belt, and the piston rod of the bag arranging and cutting avoiding cylinder is fixedly connected with the left support downwards; the second supporting plate is provided with two centering clamping plates which are bilaterally symmetrical in front of the heat-sealing station, the two pairs of the centering clamping plates are driven by a horizontally placed centering pneumatic finger to move close to or away from the heat-sealing station, piston rods are arranged at the left end and the right end of the centering pneumatic finger and are fixedly connected with the centering clamping plates on the same side respectively, and a centering avoiding cylinder is arranged above the centering pneumatic finger and used for controlling the integral lifting of the centering pneumatic finger; and a second bag pushing port which is through from front to back is formed in a frame bottom plate of the heat-sealing station, and the upper and lower opposite-injection sensors are symmetrically arranged above and below the second bag pushing port.
10. A method of operating a vacuum packaging secondary bagger, characterized by using a vacuum packaging secondary bagger as claimed in any one of claims 1 to 9 and by the steps of:
s1 bag supply mechanism part: firstly, the dividing disc rotates to rotate a bag hanging rod to a bag pushing position and then stops;
s2: a bag pushing component part: the bag pushing lifting cylinder extends to drive the bag pushing plate to move downwards to the bag pushing position after the packaging bags are in place, the bag pushing lifting cylinder retracts to enable the bag pushing lifting cylinder and the bag pushing plate to slide backwards, and the packaging bags are pushed to the bag conveying belt from the bag hanging rod;
s3: bag feeding mechanism and bag opening mechanism: the packaging bags are conveyed to the end part by a bag conveying conveyer belt and then are driven by a bag opening air cylinder to adsorb and open the bag opening of the packaging bags, after the bag opening is opened, a horizontal bag sleeving air cylinder retracts to enable a longitudinal bag opening plate to be inserted into the bag, then a horizontal bag opening air cylinder extends out, a bag conveying synchronous belt enables a left longitudinal bag opening plate and a right longitudinal bag opening plate to move towards two sides to open the packaging bags, a bag opening air cylinder resets, then the opened packaging bags are moved to a pre-bagging position by a horizontal moving air cylinder, namely a bag opening assembly position, and the bag opening is sleeved on the bag opening plate;
s31, resetting the bag feeding mechanism and the bag opening mechanism: the horizontal bag opening cylinder resets to enable the two longitudinal bag opening plates to approach oppositely, the horizontal bag sleeving cylinder extends out to enable the longitudinal bag opening plates to be separated from the bag opening, the bag sleeving lifting cylinder resets to drive the longitudinal bag opening plates to move upwards, and the horizontal moving cylinder retracts to enable the whole bag to be translated and reset;
s4: the bag opening component part:
s41: bag feeding station of the bag opening assembly: in an initial state, the upper bag opening cylinder and the lower bag opening cylinder are both in an extending position, and after the packaging bags are sleeved on the bag opening plate, the upper bag opening cylinder and the lower bag opening cylinder contract simultaneously to open the openings of the packaging bags;
s42: bag pushing station of the bag opening assembly: the bag opening is supported by the bag supporting component, and the bag opening is driven by the first driving component to move horizontally from the bag feeding station to the bag pushing station and then waits for bag pushing;
s5: feed centering assembly part:
s51: feeding station of the feeding centering assembly: the material is positioned on the first supporting plate, is closed by the two pairs of middle guide plates for centering and guiding, and waits for bag pushing;
s6: in an initial state, the bag pushing arm is positioned at the bag pushing origin; when the materials are ready on the feeding centering assembly, the material is pushed forwards by the lower wrapping arm under the guidance of the centering guide plate;
s7: when the materials are about to go out of the feeding centering assembly, the correlation sensor detects for one time, the bag opening assembly carries the packaging bag in place, the bag pushing arm directly moves forward, and the materials enter the packaging bag through the two bag opening molds; when the materials completely fall into the packaging bags and continue to advance, the two bag supporting molds do not clamp the packaging bags any more, the packaging bags and the materials are pushed forwards to a heat sealing station by a bag pushing arm together, when the material bags (with the material packaging bags) are clamped by the two pairs of middle clamping plates, the material bags are straightened, and the material bag belts are damped by friction force, so that the moving speed of the bag pushing arm is reduced; when the materials and the packaging bags slowly move forwards, the bag openings of the packaging bags are gradually separated from the bag opening mold, when the round holes of the bag opening mold are exposed, the vertical light paths are vertically and oppositely communicated, the bag opening positions of the packaging bags are detected by the opposite-emitting sensor, and the bag pushing motor starts to calculate pulses;
s8: after the bag opening is detected, the bag opening component is withdrawn in advance, the bag pushing arm is withdrawn after the material reaches the end point, the bag pushing arm retreats to the original point at full speed when the material is sealed, and the next working process is carried out; then:
s81: the bag arranging action of the bag arranging and heat sealing assembly is as follows: in the initial state, the upper and lower heat-sealing cylinders are in a retraction state, the upper and lower preformed bag arranging clamps are in an opening state, and the bag arranging clamps are cut left and right on the material to be ready for positioning; setting the motion law of the bag arranging cutter by a servo motor, after the heat-sealing material is in place, starting blowing by a blowing pipe on the bag arranging cutter, and cutting the bag arranging cutter in a centering way to be punched on the central line of the side surface of the bag opening of the packaging bag so as to form a stable M edge on the organ bag; at the moment, the upper and lower preforming bag arranging clamps act, and meanwhile, the bag arranging cutter is further cut in until the upper and lower preforming bag arranging clamps act completely, and when only one slit is left for the bag arranging cutter to withdraw, the bag mouth preforming is finished;
s82: and (3) heat sealing action of the bag tidying and heat sealing assembly: after the bag opening is preformed and the bag is arranged and removed, the upper heat-sealing plate moves in advance, the action end point falls on the center line of the bag arranging clamp, and then the lower heat-sealing plate moves to clamp the bag opening and stay for a certain time to complete heat sealing;
s9, a discharging mechanism: and discharging through a discharging conveyer belt of a discharging mechanism after heat sealing is finished.
CN202210521320.6A 2022-05-13 2022-05-13 Vacuum packaging secondary bagging machine and working method thereof Active CN114889867B (en)

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