CN114933064A - Automatic filling device and method for four-lifting-ring flexible container bag - Google Patents

Automatic filling device and method for four-lifting-ring flexible container bag Download PDF

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Publication number
CN114933064A
CN114933064A CN202210359350.1A CN202210359350A CN114933064A CN 114933064 A CN114933064 A CN 114933064A CN 202210359350 A CN202210359350 A CN 202210359350A CN 114933064 A CN114933064 A CN 114933064A
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China
Prior art keywords
bag
automatic
rod
hook
rotating shaft
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Granted
Application number
CN202210359350.1A
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Chinese (zh)
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CN114933064B (en
Inventor
张东升
马振中
裴农
郭衍臣
李春永
李建峰
王鹏宇
刘占斌
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Beijing Aerospace Petrochemical Technology and Equipment Engineering Corp Ltd
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Beijing Aerospace Petrochemical Technology and Equipment Engineering Corp Ltd
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Priority to CN202210359350.1A priority Critical patent/CN114933064B/en
Publication of CN114933064A publication Critical patent/CN114933064A/en
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Publication of CN114933064B publication Critical patent/CN114933064B/en
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    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding 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
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines
    • B65B43/16—Feeding individual bags or carton blanks from piles or magazines 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
    • B65B43/36—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure applied pneumatically
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Basic Packing Technique (AREA)

Abstract

The invention discloses an automatic filling device for a four-lifting-ring flexible container bag, wherein an automatic bag clamping mechanism and four automatic hook devices are arranged below a bag-blowing blanking barrel through a lifting mechanism; the lifting mechanism drives the automatic bag clamping mechanism and the automatic hooking device to move up and down to a high position or a low position; the positioning mechanism is arranged below the automatic bag clamping mechanism and the four automatic hooking devices; the conveyor is arranged below the positioning mechanism; the invention also provides a filling method based on the device, which comprises the steps of firstly lifting the automatic bag clamping mechanism and the automatic hook device to a high position to complete bag bulging, then adjusting the position of the flexible freight bag by the positioning mechanism, hanging the bag by the automatic hook device, after filling, lowering the automatic bag clamping mechanism and the automatic hook device to a low position to complete full-bag unhooking, bag opening loosening and bag opening shaping, and outputting the full bag to a sealing station. The automatic material filling device can completely replace manpower, is reasonable in design, simple in structure and reliable in work, and can meet the use requirements.

Description

Automatic filling device and method for four-lifting-ring flexible container bag
Technical Field
The invention belongs to the technical field of packaging equipment, and particularly relates to an automatic filling device for a four-lifting-ring flexible container bag.
Background
The flexible container bag is used as a packing container for bulk powder material transportation, and is widely applied to packing various articles such as cement, chemical fertilizer, chemical raw materials, ore and the like.
The four corners of a bag opening of a domestic common flexible container bag are generally provided with four small hanging rings, when materials are packaged, the bag opening needs to be manually sleeved on a discharging pipe of a packaging machine, the four small hanging rings are hung on four hooks of the packaging machine respectively, and after filling is completed, the four hooks are automatically opened to release the small hanging rings.
Patent document "single-arm side vertical full-automatic ton bag packaging machine" (CN103204253B) proposes a packaging machine which can weigh and control the weight of ton bags in real time and has a bag clamping device which can lift and lower automatically, but needs two operators to sleeve and hang the bags.
According to the ton packaging machine disclosed in the patent document "ton bag automatic packaging device suitable for fine powder" (CN105523202A), the bag hanging mechanism is composed of a fixed hook component and a movable hook component, the movable hook component can be close to or far away from the fixed component, the difficulty of hanging a bag by an operator is reduced, and the bag sleeving and hanging work by one operator can be realized.
In conclusion, the conventional bag sleeving and hanging related devices are not completely automated.
Disclosure of Invention
The invention aims to overcome the defects and provides an automatic filling device for a four-lifting-ring flexible container bag, wherein an external feeding device and an air supply device are connected above a drum bag blanking cylinder; the automatic bag clamping mechanism comprises a discharge pipe, a clamping arm assembly and a bag opening assembly; the automatic bag clamping mechanism and the four automatic hooks are arranged below the bag blowing and blanking cylinder through the lifting mechanism, and the four automatic hooks are distributed around the automatic bag clamping mechanism; the lifting mechanism drives the automatic bag clamping mechanism and the automatic hooking device to move up and down to a high position or a low position; the positioning mechanism is arranged below the automatic bag clamping mechanism and the four automatic hooking devices; the conveyor is arranged below the positioning mechanism; the invention also provides a filling method based on the device, which comprises the steps of firstly lifting the automatic bag clamping mechanism, the automatic hook device and the packaging bag to a high position to complete bag bulging work of the flexible packaging bag, then adjusting the position of the bulged flexible packaging bag by the positioning mechanism, completing bag hanging work of the packaging bag by the automatic hook device, after filling is completed, lowering the automatic bag clamping mechanism, the automatic hook device and the full bag to a low position to complete full bag unhooking, bag opening loosening and bag opening shaping work, and outputting the full bag to a sealing station. The automatic filling device can completely replace manual work, realizes the work of automatic bag hanging, automatic bag clamping, automatic filling and the like of the flexible container bag, has reasonable design, simple structure and reliable work, and can meet the use requirement.
In order to achieve the above purpose, the invention provides the following technical scheme:
an automatic filling device for a four-lifting-ring flexible container bag comprises a bag-blowing blanking cylinder, a lifting mechanism, an automatic bag clamping mechanism, an automatic hooking device, a positioning mechanism and a conveyor;
an external feeding device and an air supply device are connected above the bag-blowing blanking cylinder; the automatic bag clamping mechanism comprises a discharge pipe, a clamping arm assembly and a bag opening assembly; the automatic bag clamping mechanism and the four automatic hook devices are arranged below the bag blowing and blanking cylinder through the lifting mechanism, and the four automatic hook devices are distributed around the automatic bag clamping mechanism; the lifting mechanism drives the automatic bag clamping mechanism and the automatic hooking device to move up and down to a high position or a low position; the positioning mechanism is arranged below the automatic bag clamping mechanism and the four automatic hooking devices; the conveyor is arranged below the positioning mechanism;
before filling: the automatic bag clamping mechanism and the automatic hooking device are located at a high position, the clamping arm assembly of the automatic bag clamping mechanism tightly presses the opening of the flexible freight bag to the outer side of the lower end of the discharge pipe, the automatic hooking device is separated from a flexible freight bag lifting ring, and the flexible freight bag is subjected to bag bulging by the bag bulging discharge barrel through the discharge pipe of the automatic bag clamping mechanism; the positioning mechanism positions the flexible freight bag body after the bag is blown;
when filling is carried out: the automatic hooking device hooks a hanging ring of the flexible freight bag, and the bag drum blanking cylinder fills the flexible freight bag through a discharge pipe of the automatic bag clamping mechanism;
after filling: the automatic bag clamping mechanism and the automatic hooking device move from a high position to a low position, and the automatic bag clamping mechanism and the automatic hooking device drive the filled flexible freight bags to descend to the conveyor; the automatic hooking device is separated from the hanging ring of the flexible freight bag, the clamping arm component of the automatic bag clamping mechanism releases the mouth of the flexible freight bag, and the bag opening of the flexible freight bag is supported into a linear shape by the bag supporting component of the automatic bag clamping mechanism; the conveyor stretches the bag mouth into a linear container bag and outputs the linear container bag to the sealing station.
Further, the bag blowing blanking barrel comprises an outer barrel and an inner barrel arranged inside the outer barrel, the external feeding device is connected with a filling channel formed inside the inner barrel, and the external air supply device is connected with a bag blowing channel formed between the inner barrel and the outer barrel.
Furthermore, the lifting mechanism is supported by the frame;
the lifting mechanism comprises a lifting driving servo motor, a driven chain wheel, a lifting frame, a balancing weight, a driving chain wheel, a first chain, a second chain, a third chain, a fourth chain and a driving shaft;
the driving shaft is fixed on the frame through a bearing, the two driving chain wheels are respectively arranged at two ends of the driving shaft, and the two driven chain wheels are supported on the frame;
the lifting frame comprises a main frame beam and four suspension arms connected with the main frame beam, the main frame beam of the lifting frame is fixedly connected with the automatic bag clamping mechanism, the four suspension arms of the lifting frame are respectively and fixedly connected with the four automatic hooking devices, and the balancing weight and the lifting frame are respectively arranged on two sides of the driving shaft;
the four suspension arms are respectively marked as a first suspension arm, a second suspension arm, a third suspension arm and a fourth suspension arm, the first ends of a first chain, a second chain, a third chain and a fourth chain are all connected with a balancing weight, the second ends of the first chain and the second chain are respectively connected with the first suspension arm and the second suspension arm through two driving sprockets, the second end of the third chain is connected with the third suspension arm through a driving sprocket and a driven sprocket in sequence, the second end of the fourth chain is connected with the fourth suspension arm through another driving sprocket and another driven sprocket in sequence, a lifting driving servo motor drives a driving shaft to rotate, thereby driving the driving chain wheel to rotate, the driving chain wheel drives the first suspension arm and the second suspension arm to move up and down through the first chain and the second chain, meanwhile, the third suspension arm and the fourth suspension arm are driven to move in the same direction through the third chain and the fourth chain, so that the automatic bag clamping mechanism and the automatic hook device can move up and down;
the two driven sprockets and the two driving sprockets are arranged in a rectangular shape.
Furthermore, the automatic bag clamping mechanism comprises two groups of clamping arm components and two groups of bag supporting components;
the two groups of clamping arm supporting assemblies and the two groups of bag supporting assemblies are fixedly arranged on the outer surface of the discharge pipe and are respectively symmetrical about the axis of the discharge pipe; the discharging pipe is vertically arranged, and the axis of the discharging pipe is collinear with the axis of the bag-blowing blanking barrel;
the clamping arm assembly comprises a clamping arm driving transmission mechanism and a clamping arm; the clamping arm driving transmission mechanism is fixed on the clamping arm supporting component and drives the clamping arms to press the mouth of the flexible freight bag outside the lower end of the discharge pipe or release the mouth of the flexible freight bag;
the bag opening component comprises a bag opening rod and a bag opening rod driving transmission mechanism which are vertically arranged; prop bag pole drive mechanism and be fixed in and prop on the bag supporting component, prop bag pole drive mechanism and prop the bag pole to the direction translation of being close to or keeping away from the discharging pipe surface, move along vertical direction simultaneously, realize propping the bag to the line type of sack.
Furthermore, the clamping arm driving transmission mechanism comprises a clamping arm driving cylinder, a first oscillating bar, a first connecting rod and a first crank;
the upper end of the clamping arm is connected with the clamping arm supporting component through a first rotating shaft; one end of the first crank is arranged on the first rotating shaft, and the other end of the first crank is connected with one end of the first connecting rod through the second rotating shaft; the other end of the first connecting rod is connected with one end of a first swing rod through a third rotating shaft, and the other end of the first swing rod is connected with the clamping arm supporting assembly through a fourth rotating shaft;
the clamping arm driving cylinder drives the first swing rod to rotate around the fourth rotating shaft, and the first swing rod drives the clamping arm to rotate around the first rotating shaft through the first connecting rod and the first crank in sequence, so that the lower end of the clamping arm is close to or far away from the outer surface of the discharge pipe;
the bag opening rod driving transmission mechanism comprises a bag opening rod driving cylinder, a second connecting rod, a second swing rod, a second crank and a connecting rod;
the connecting rod is fixedly connected with the upper end of the bag supporting rod;
the connecting rod is arranged along the vertical direction;
one end of a second connecting rod is connected with the bag supporting component through a fifth rotating shaft, the other end of the second connecting rod is connected with the first end of the connecting rod through a sixth rotating shaft, the second end of the connecting rod is connected with one end of a second swing rod through a seventh rotating shaft, and the other end of the second swing rod is connected with the bag supporting component through an eighth rotating shaft;
the bag supporting rod drives a piston rod of the air cylinder to be connected with one end of a second crank, and the other end of the second crank is connected with a fifth rotating shaft; the connecting line of the fifth rotating shaft, the sixth rotating shaft, the seventh rotating shaft and the eighth rotating shaft is a parallelogram;
the bag supporting rod driving cylinder drives the second connecting rod to rotate around the fifth rotating shaft through the second crank, the second connecting rod drives the bag supporting rod to move in the direction close to or far away from the outer surface of the discharging pipe through the second oscillating rod and the connecting rod, and meanwhile the bag supporting rod moves in the vertical direction.
Furthermore, the clamping arm comprises a rod-shaped structure and a triangular structure;
the upper end of the rod-shaped structure is connected with the clamping arm driving transmission mechanism, the lower end of the rod-shaped structure is connected with one corner of the triangular structure, a clamping jaw is arranged outside one corner of the other two corners of the triangular structure, which is close to the outer surface of the discharge pipe, and the clamping jaw presses the bag opening on the outer surface of the discharge pipe;
the clamping jaw sequentially comprises a clamping jaw frame, a pressing plate, a soft seal and a fastener, wherein the soft seal is tightly pressed between the clamping jaw frame and the pressing plate; the clamping jaw frame, the soft seal and the pressing plate are all in a semicircular shape;
the clamping jaw frame is fixedly connected with the clamping arm, and the fastener penetrates through the clamping jaw frame and the soft seal in sequence and then is fixedly connected with the pressing plate;
the triangular structure in the clamping arm is a hollow structure;
when the clamping arm driving transmission mechanism drives the clamping arms to tightly press the mouth of the flexible freight bag on the outer surface of the lower end of the discharge pipe, the bag sleeving parts on the two sides are inserted into the flexible freight bag; the lower end edge of the bag outlet part is in an arc shape protruding downwards;
the first outer diameter of the discharge pipe is unchanged, the second outer diameter of the discharge pipe is gradually increased from bottom to top, the first outer diameter is the outer diameter parallel to the direction of the connecting line of the bag sleeving parts at the two sides, and the second outer diameter is the outer diameter vertical to the first outer diameter;
the upper end of the discharge pipe is fixedly connected with a lifting mechanism through a flange;
each group of clamping arm supporting component and each group of bag supporting component respectively comprise two supporting plates which are parallel to each other, and the supporting plates are perpendicular to the outer surface of the discharge pipe.
Further, the automatic hooking device comprises a fixed frame, a hooking rod, a hooking body, a belt detection fork and a return spring;
the fixed frame is fixedly arranged on the lifting mechanism;
the upper end of the hook rod is connected with the fixed frame through a ninth rotating shaft, the lower end of the hook rod is connected with the hook body through a tenth rotating shaft, the hook rod rotates around the ninth rotating shaft to drive the hook body to be close to or far away from the hanging ring, and the hook body rotates around the tenth rotating shaft to hook or separate from the hanging ring;
the belt detection fork is arranged on the tenth rotating shaft, a mounting point of the belt detection fork and the tenth rotating shaft is positioned between the upper end and the lower end of the belt detection fork, and the belt detection fork is divided into an upper section and a lower section by taking the mounting point as a boundary;
the reset spring is sleeved on the tenth rotating shaft, one end of the reset spring is fixedly connected with the upper section of the belt detection fork, and the other end of the reset spring is fixedly connected with the hook rod; a detection switch is arranged above one side of the opening of the hook body, and a stop block is arranged above the other side of the hook body; when the hook body is separated from the lifting ring, the reset spring is in a non-compression state, the upper section of the belt detection fork is pressed on the stop block, the lower section of the belt detection fork is positioned at the opening of the hook body, when the hook body hooks the lifting ring, the lifting ring pushes the lower section of the belt detection fork to enable the belt detection fork to rotate around the tenth rotating shaft, meanwhile, the reset spring is compressed, and when the upper section of the belt detection fork is pressed on the detection switch, the lifting ring is hooked;
the automatic hooking device also comprises a shifting belt fork;
the shifting belt fork is connected with the lower end of the hook rod through an eleventh rotating shaft;
the shifting belt fork is positioned on one side of the opening of the hook body;
the eleventh rotating shaft rotates to drive the shifting fork to rotate, so that the hanging ring continues to move towards the interior of the hook body after being hooked by the hook body.
Furthermore, the hook rod comprises an inner hook rod and an outer hook rod which are sleeved with each other, the upper end of the inner hook rod is connected with the fixing frame through a ninth rotating shaft, the lower end of the outer hook rod is connected with the hook body through a tenth rotating shaft, a fastening seat is arranged on the outer surface of the inner hook rod, an adjusting screw rod parallel to the hook rod is arranged on the outer surface of the outer hook rod, and the length of the inner hook rod positioned in the outer hook rod is adjusted through the matching of the adjusting screw rod and the fastening seat, so that the length adjustment of the hook rod is realized;
the automatic hook device also comprises a hook rod driving cylinder and a hook body driving cylinder;
the tail part of the hook rod driving cylinder is fixed on the fixing frame, and a piston rod of the hook rod driving cylinder is connected with the hook rod and used for driving the hook rod to rotate around the ninth rotating shaft to drive the hook body to be close to or far away from the hanging ring;
the tail part of the hook body driving cylinder is fixed on an outer hook rod in the hook rod, and a piston rod of the hook body driving cylinder is connected with the hook body and used for driving the hook body to rotate around a tenth rotating shaft to hook or separate from the hanging ring;
the automatic hook device also comprises a shifting belt fork driving cylinder;
the tail part of the shifting belt fork driving cylinder is fixed on the hook rod, a piston rod of the shifting belt fork driving cylinder is connected with the eleventh rotating shaft through a crank, the shifting belt fork is fixedly connected with the eleventh rotating shaft, the shifting belt fork driving cylinder drives the eleventh rotating shaft to rotate through the crank, and the eleventh rotating shaft drives the shifting belt fork to rotate;
the check block and the detection switch are both fixedly arranged on an outer hook rod in the hook rods;
the reset spring comprises a torsion spring and a linear connecting end extending out of two ends of the torsion spring; the torsion spring is sleeved on the tenth rotating shaft, and the connecting ends extending out of the two ends of the torsion spring are respectively and fixedly connected with the upper section of the detection fork and the hook rod;
the belt detection fork is of a U-shaped structure with an opening at the upper end, the tenth rotating shaft penetrates through the lower end of the hook rod and the upper end of the hook body at the same time, and two sides of the belt detection fork of the U-shaped structure are respectively installed at two ends of the tenth rotating shaft; the two return springs are respectively positioned between the two sides of the U-shaped structure with the detection fork and the hook rod; when the hook body is separated from the hanging ring, the return spring is in a non-compression state, the upper section of the detection fork is pressed on the stop block, and the lower section of the detection fork is sleeved outside the hook body to block the opening of the hook body;
the shifting belt fork is of a U-shaped structure with an opening at the upper end and is arranged on the outer side of the lower section of the belt detection fork; the two sides of the upper end of the shifting fork are fixedly connected with a shifting fork mounting plate, a plurality of mounting holes are formed in the shifting fork mounting plate, screws are fixed at two ends of a third rotating shaft through the two sides of the upper end of the shifting fork after the mounting holes are matched, and the screws are matched with the different mounting holes to realize the adjustment of the shifting fork relative to the height of the hook body.
Furthermore, the positioning mechanism comprises two movable plates, two static plates, two movable plate rotating frames and two movable plate driving cylinders;
the positioning mechanism is arranged below the automatic bag clamping mechanism and the 4 automatic hooking devices through the rack;
the two static plates are oppositely arranged and fixedly connected with the rack;
the two movable plate rotating frames are connected with the frame through the movable plate rotating frame mounting rotating shaft; the movable plate rotating frame is provided with a rotating shaft along the vertical direction;
the two movable plates are respectively arranged on the two movable plate rotating frames, and the two movable plate driving cylinders respectively drive the two movable plate rotating frames to rotate around the movable plate rotating frame installation rotating shafts; when the positioning mechanism positions the flexible freight bag body, the two movable plates and the two static plates enclose a space for containing the flexible freight bag body, and when the conveyor outputs the flexible freight bag with the bag opening being supported into a linear shape to the sealing station, the movable plate rotating frame drives the movable plates to move to the outer side of the conveyor.
The automatic filling method for the four-lifting-ring flexible container bag is realized by adopting the automatic filling device, and comprises the following steps:
the automatic bag clamping mechanism and the automatic hooking device move to a high position, a clamping arm assembly of the automatic bag clamping mechanism presses the opening of the flexible freight bag to the outer side of the lower end of the discharge pipe, and the automatic hooking device is separated from the flexible freight bag hanging ring;
the bag-bulging blanking cylinder is used for bulging the flexible freight bag through a discharge pipe of the automatic bag-clamping mechanism; after the bag is expanded, the positioning mechanism positions the bag body of the flexible freight bag;
the automatic hooking device hooks the hoisting ring of the flexible freight bag;
the bag-blowing blanking cylinder fills the flexible freight bag through a discharge pipe of the automatic bag-clamping mechanism;
the automatic bag clamping mechanism and the automatic hooking device move to a low position, and the automatic bag clamping mechanism and the automatic hooking device drive the filled flexible freight bags to be placed on the conveyor; the automatic hooking device is separated from the hoisting ring of the container bag; the clamping arm component of the automatic bag clamping mechanism releases the mouth of the flexible freight bag, and the bag opening of the flexible freight bag is supported into a linear shape by the bag supporting component of the bag clamping mechanism;
the automatic bag clamping mechanism and the automatic hook device move to a high position, and the conveyor stretches the bag opening into a linear flexible container bag and outputs the linear flexible container bag to the sealing station.
Compared with the prior art, the invention has at least one of the following beneficial effects:
(1) the invention innovatively provides the automatic filling device for the four-lifting-ring flexible container bag, the automatic filling of the container bag is stably and efficiently realized through the ingenious matching of all automatic parts, the manual operation can be completely replaced, and the labor cost is effectively reduced;
(2) the automatic bag clamping mechanism can realize multiple functions of clamping and supporting the bag opening, and is favorable for realizing automatic control; the invention designs the transmission mechanisms of the clamping arms and the bag supporting rods, the mechanical structure is simplified to the maximum extent on the premise of ensuring high-efficiency transmission, the cost is effectively reduced, meanwhile, the bag supporting rods can move vertically downwards while moving outwards under the driving of the transmission mechanisms, and the bag supporting rods can still be in the flexible container bag opening to shape the flexible container bag opening when the discharge opening is vertically moved upwards out of the flexible container bag opening; according to the invention, the soft sealing structure is designed on the clamping jaw, so that the processing difficulty of the discharge pipe is reduced, the flexible sealing structure can enable the mouth of the flexible freight bag to be completely attached to the outer surface of the discharge port and tightly press the mouth, and the sealing property of the flexible freight bag is effectively improved; the clamping arm structure can meet the requirements of improving rigidity and reducing weight at the same time;
(3) according to the automatic hooking device, the hook body is driven to rotate through the hook rod, the hook body rotates relative to the hook rod to achieve hooking actions of the hanging rings at four corners of the flexible container bag, the detection fork is arranged to ensure that the hanging rings are successfully hooked, accuracy of successful judgment of the hanging rings is improved, and an important basis is provided for automation of related processes of the container bag; the invention also designs the shifting fork, so that the lifting ring can move to the inside of the hook body in place after the hook body hooks the lifting ring, and the stability of the lifting ring hook is further improved by matching the shifting fork with the belt detection fork; the lengths of the hook rod and the shifting belt fork can be flexibly adjusted, so that the hook rod and the shifting belt fork are suitable for various hooks, and the application prospect is wide; the movable hook device has reasonable design and simple structure, is convenient to control the hooking and unhooking processes, can meet the use requirement, can completely replace manual operation to realize automatic bag hanging and automatic unhooking work of the flexible container bag, improves the work efficiency and reduces the labor cost;
(4) the positioning mechanism can position the flexible freight bag, and meanwhile, the full-bag output is not influenced.
Drawings
FIG. 1 is a schematic view of an automatic filling apparatus for a four-link flexible container bag according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the construction of a lifting mechanism in a preferred embodiment of the present invention;
FIG. 3 is a schematic position diagram of the automatic bag clamping mechanism, the automatic hook device and the lifting mechanism in a preferred embodiment of the invention;
FIG. 4 is a schematic structural diagram of an automatic bag clamping mechanism in a preferred embodiment of the invention;
FIG. 5 is a schematic view showing the internal structure of an automatic bag clamping mechanism according to a preferred embodiment of the present invention;
FIG. 6 is a schematic structural view of an automatic hooker according to a preferred embodiment of the present invention;
FIG. 7 is a schematic perspective view of an automatic hooker according to a preferred embodiment of the present invention;
FIG. 8 is a schematic view of a return spring in the automatic hooker according to a preferred embodiment of the present invention;
FIG. 9 is a schematic structural view of a positioning mechanism in a preferred embodiment of the present invention;
FIG. 10 is a schematic view of a clamping arm in a preferred embodiment of the present invention, wherein (a) is a schematic view of the whole clamping arm, (b) is a schematic view of the whole clamping jaw, and (c) is a schematic view of the clamping jaw;
in the figure: 1-a bag-blowing and material-dropping barrel, 2-a rack, 3-a lifting mechanism, 4-an automatic bag-clamping mechanism, 5-an automatic hooking device, 6-a positioning mechanism and 7-a conveyor;
31-a lifting driving servo motor, 32-a driven chain wheel, 33-a lifting frame, 34-a balancing weight, 35-a driving chain wheel and 36-a driving shaft;
41-a discharge pipe, 42-a clamping arm, 43-a first connecting rod, 44-a first swing rod, 45-a clamping arm driving cylinder, 46-a bag opening rod, 47-a second swing rod, 48-a second connecting rod, 49-a bag opening rod driving cylinder and 410-a connecting rod;
51-a fixed frame, 52-a hook rod, 53-a hook body, 54-a tape shifting fork, 55-a tape detection fork, 56-a hook rod driving cylinder, 57-a hook body driving cylinder, 58-a tape shifting fork driving cylinder and 59-a reset spring;
61-movable plate, 62-static plate, 63-movable plate rotating frame and 64-movable plate driving cylinder.
Detailed Description
The features and advantages of the present invention will become more apparent and appreciated from the following detailed description of the invention.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
Example 1:
in this embodiment, the scheme of the present invention will be described in detail with reference to fig. 1 to 10.
As shown in fig. 1, the automatic filling device for the four-hanging-ring flexible container bag comprises a bag-blowing blanking cylinder 1, a frame 2, a lifting mechanism 3, an automatic bag-clamping mechanism 4, an automatic hooking device 5, a positioning mechanism 6 and a conveyor 7.
The bag-blowing blanking barrel 1 is positioned above the center of the frame 2, the lifting mechanism 3 is fixedly connected to the upper part of the frame 2, the lower part of the frame 2 is provided with a conveyor 7, and the positioning mechanism 6 is positioned above the conveyor 7 and is connected with a cross beam at the lower part of the frame 2.
The bag blowing and blanking barrel 1 comprises an outer barrel and an inner barrel, wherein the inner barrel is a material filling channel, and the outer barrel is a bag blowing channel and a return air channel.
As shown in fig. 2, the lifting mechanism 3 includes a lifting drive servo motor 31, a driven sprocket 32, a lifting frame 33, a weight block 34, a driving sprocket 35, and a driving shaft 36. Two driving sprockets 35 are fixed on a driving shaft 36, one end of the driving shaft 36 is connected with a lifting driving servo motor 31, and the other end of the driving shaft is fixed on a supporting vertical plate of the frame 2 through a bearing with a seat. The lifting frame 33 is composed of a main frame beam and four lifting arms extending outwards along four corners of the main frame beam, two adjacent lifting arms of the lifting frame 33 are perpendicular to each other, the lifting frame 33 and the balancing weight block 34 are arranged on two sides of the driving shaft 36 respectively, one ends of a first chain and a second chain are connected with the two lifting arms through two driving chain wheels 35 respectively, the other ends of the first chain and the second chain are connected with the balancing weight block 34, one ends of a third chain and a fourth chain are connected with the other two lifting arms through two driving chain wheels 35 and one ends of two driven chain wheels 32 respectively, and the other ends of the third chain and the fourth chain are connected with the balancing weight block 34. The servo motor drives the driving chain wheel 35 to move up and down through the first chain, the second chain, the third chain and the fourth chain by the driving shaft 36 so as to realize the up-and-down movement of the lifting frame 33.
As shown in figure 3, the lower part of the center of the main frame beam of the lifting frame 33 is connected with the fixed automatic bag clamping mechanism 4 through a flange, and four automatic hook devices 5 are respectively fixed on four suspension arms of the lifting frame 33.
As shown in fig. 4 and 5, the automatic bag clamping mechanism 4 includes a discharge pipe 41, a clamping arm 42, a first connecting rod 43, a first swing rod 44, a clamping arm driving cylinder 45, a bag opening rod 46, a second swing rod 47, a second connecting rod 48 and a bag opening rod driving cylinder 49. Two sides of the discharge pipe mouth of the discharge pipe 41 extend downwards to form a bag sleeving part, as shown in the figure, the bag sleeving part is an arc surface similar to an inverted triangle, the diameter of a bag sleeving pipe is constant from bottom to top along the connecting line direction of the bottoms of the bag sleeving parts at the two sides, the diameter of the bag sleeving pipe is vertical to the connecting line direction of the bottoms of the bag sleeving parts at the two sides, and the diameter of the bag sleeving pipe is gradually increased from bottom to top; theoretically the bagging-off sack opening width of collecting the bagging-off is fixed, but the sack is flexible, sack opening width compares with the design and has the deviation behind the actual opening, the cover bag part of design, it is less at first to insert the cover bag bottom width of sack, it can insert the sack to ensure to cover the bag part, then under the guide effect of cover bag part outline, guarantee that the sack can overlap completely on the discharging pipe, the diameter size of discharging pipe had not both been changed in this design, do not influence unloading speed, can play sack guide effect again, the soft randomness of sack itself has been overcome, it can overlap on the discharging pipe smoothly to have guaranteed the sack, the bagging success rate has been improved. Discharging pipe 41 upper portion is provided with two sets of arm lock supporting component and two sets of bag supporting component that prop, and every group arm lock supporting component and every group prop a bag supporting component and contain two backup pads, and two sets of arm lock supporting component and two sets of bag supporting component of propping set up along discharging pipe 41 axis symmetry respectively, and two sets of arm lock supporting component and two sets of bag supporting component of propping are "cross" and set up.
The oppositely arranged clamping arms 42 are respectively connected with two supporting plates which are arranged in parallel in the clamping arm supporting component through a first rotating shaft, one end of a first connecting rod 43 is connected with a crank of the clamping arm 42 through a second rotating shaft, the other end of the first connecting rod 43 is connected with one end of a first swing rod 44 through a third rotating shaft, the other end of the first swing rod 44 is connected with the two supporting plates in the clamping arm supporting component through a fourth rotating shaft, and a piston rod of a clamping arm driving cylinder 45 of which the tail part is fixed on the discharge pipe 41 is connected with the first swing rod 44. The clamping arm drives the cylinder 45 to move, drives the first swing rod 44 to rotate around the fourth rotating shaft, and drives the clamping arm 42 to rotate around the first rotating shaft through the first connecting rod 43, so that a bag opening of the clamping arm 42 is clamped or loosened.
The tail part of the bag supporting rod is fixed on a supporting plate which is arranged in parallel in the bag supporting component, a piston rod of a bag supporting rod driving cylinder 49 is connected with a second connecting rod 48 through a crank, and the second connecting rod 48 is connected with the supporting plate through a fifth rotating shaft. The upper end of the bag supporting rod 46 is fixedly connected with the lower end of the connecting rod 410, the upper end of the connecting rod 410 is connected with the second connecting rod 48 through a sixth rotating shaft, one end of the second swing rod 47 is connected with the supporting plate through an eighth rotating shaft, and the other end of the second swing rod 47 is connected with the lower end of the connecting rod 410 through a seventh rotating shaft. The distance between the fifth rotating shaft and the sixth rotating shaft is equal to the distance between the seventh rotating shaft and the eighth rotating shaft, and the distance between the fifth rotating shaft and the seventh rotating shaft is equal to the distance between the sixth rotating shaft and the eighth rotating shaft. The bag supporting rod drives the air cylinder 49 to act, drives the second connecting rod 48 to rotate around the fifth rotating shaft, and drives the bag supporting rod 46 to move in parallel and vertically through the second swing rod 47 connecting rod 410. The clamping arms 42 comprise a rod-shaped structure and a triangular structure; the upper end of the rod-shaped structure is connected with the clamping arm driving transmission mechanism, the lower end of the rod-shaped structure is connected with one corner of the triangular structure, a clamping jaw is arranged outside one corner of the other two corners of the triangular structure, which is close to the outer surface of the discharge pipe 41, and the clamping jaw presses the opening of the bag on the outer surface of the discharge pipe 41 as shown in fig. 10.
The automatic bag clamping mechanism 4 works as follows:
(1) initial state: the two clamping arms 42 are opened, the two bag supporting rods 46 are close to the outer side of the wall of the discharge pipe 41, and the discharge pipe 41 is sleeved into the opening of the packaging bag;
(2) bag clamping work: the two clamping arm driving cylinders 45 act simultaneously, and the two first swing rods 44 rotate to respectively drive the two clamping arms 42 to rotate around respective rotating shafts simultaneously through the two first connecting rods 43 so as to clamp the bag mouth;
(3) bag opening work: after the filling of the flexible freight bag is finished, the two clamping arms drive the air cylinders 45 to reset, the two clamping arms 42 are opened, then the two bag supporting rods drive the air cylinders 49 to move simultaneously, the two second connecting rods 48 rotate around the fifth rotating shaft to respectively drive the two second swing rods 47 to swing and the two connecting rods 410 to vertically and parallelly move, so that the two bag supporting rods 46 vertically and parallelly move along the direction away from the outer side of the wall of the discharge pipe 41, the opening of the flexible freight bag is supported into a linear shape, and the linear shape is waited to be output to a sealing station.
As shown in fig. 6, 7, and 8, the automatic hooking device 5 includes a fixed frame 51, a hook lever 52, a hook body 53, a tape-shifting fork 54, a tape detection fork 55, a hook lever driving cylinder 56, a hook body driving cylinder 57, a tape-shifting fork driving cylinder 58, and a return spring 59.
The fixing frame 51 comprises two fixing plates which are fixed on the suspension arm of the lifting frame 33 in the lifting mechanism 3 through four fastening screws, wherein each fixing plate is composed of a rectangular plate and an L-shaped arm plate extending from the right side of the rectangular plate, and the tail end of the L-shaped arm plate is connected with the tail end of the hook rod driving cylinder 56.
The hooked rod 52 comprises the inside and outside hooked rod of overlapping each other and establishing, and outer hooked rod left side is equipped with adjusting screw, and interior hooked rod left side is equipped with fastening seat, and adjusting screw passes fastening seat hole, through adjusting screw's length, can change the inside length of the hooked rod cover of interior hooked rod and establishing the outside hooked rod of entering to change the length of hooked rod 52. Interior hook pole upper portion is connected through the ninth pivot with the mount, and interior hook pole upper portion right side is equipped with the journal stirrup, and the journal stirrup is connected with the piston rod of hook pole actuating cylinder 56, and the hook pole actuating cylinder 56 drive drives interior hook pole and rotates around the ninth pivot, and then drives hook pole 52 and coupler body 53 and rotate certain angle around the ninth pivot, makes coupler body 53 be close to ton bag rings. The left side on outer hook pole upper portion is equipped with the cylinder block, drives the trailing end connection of actuating cylinder 57 with the coupler body, and the right side on outer hook pole upper portion is equipped with the cylinder block, drives the trailing end connection of actuating cylinder 58 with shifting the area fork. The front and back of the left lower part of the outer hook rod are respectively provided with a stop block for limiting the position of the belt detection fork 55, and the front and back of the right lower part of the outer hook rod are respectively provided with a detection switch for detecting the belt detection fork 55.
The upper end of the hook body 53 is connected with the lower end of the outer hook rod of the hook rod 52 through a tenth rotating shaft, a support lug is arranged at the left part of the hook body 53, and the support lug is connected with a piston rod of the hook body driving cylinder 57. The hook body driving cylinder 57 drives the hook body 53 to rotate around the tenth rotating shaft, so that the function of hooking and hanging a ring is realized.
The eleventh rotating shaft is arranged at the lower end of the hook rod 52, one end of the crank is fixed in the middle of the eleventh rotating shaft, the other end of the crank is connected with a piston rod of the tape shifting fork driving cylinder 58, the tape shifting fork 54 is fixed at two ends of the eleventh rotating shaft through fastening screws, the tape shifting fork driving cylinder 58 drives the eleventh rotating shaft to rotate, and then the tape shifting fork 54 rotates around the third rotating shaft. The tape shifting fork 54 is used for shifting the hanging ring to be close to the hook body 53.
The belt detection fork 55 is installed at two ends of the tenth rotating shaft, the two return springs 59 are respectively sleeved on the tenth rotating shaft on the front and back surfaces of the hook rod 52, one end of each return spring 59 is connected with the hook rod 52, the other end of each return spring is connected to the upper portion of the belt detection fork 55 in a pressing mode, the upper portion of the belt detection fork 55 is pressed on a stop block, and the belt detection fork 55 is used for detecting whether the hook body 53 hooks the hanging ring. When the hanging ring is sleeved on the hook body, the hanging ring is pressed on the belt detection fork 55, the belt detection fork 55 rotates around the tenth rotating shaft to the detection switch arranged on the outer hook rod, and meanwhile, the return spring 59 is compressed by a certain amount. When the bail is disengaged from the hook, the tape detection fork 55 is moved away from the detection switch by the return spring 59 and rotated back to the initial position.
The working process of the automatic hooking device 5 is as follows:
(1) hanging a hanging ring: the hook rod drives the air cylinder 56 to act, and the hook rod 52 drives the hook body 53 to rotate around the ninth rotating shaft, so that the hook body 53 is close to the hanging ring; the hook body drives the cylinder 57 to act, and the hook body 53 rotates around the tenth rotating shaft to hook the hanging ring;
(2) a band pulling ring: the shifting belt fork drives the air cylinder 58 to act, the shifting belt fork 54 rotates around the eleventh rotating shaft to drive the lifting ring to enable the belt detection fork 55 to rotate for a certain angle, meanwhile, the return spring 59 is compressed, and whether the lifting ring is successfully hooked is confirmed through the detection switch;
(3) removing the lifting ring: after the ton bag is filled, the shifting fork drives the air cylinder 58 to reset, the hook body drives the air cylinder 57 to act, the hanging ring is separated from the hook body 53, the belt detection fork 55 resets under the action of the reset spring 59, the hook rod drives the air cylinder 56 to reset, the hook rod 52 drives the hook body 53 to return to the initial position, and unhooking work is completed.
As shown in fig. 9, the positioning mechanism 6 includes two movable plates 61, two stationary plates 62, two movable plate rotating frames 63, and two movable plate driving cylinders 64. The two static plates 62 and the two movable plates 61 are respectively arranged oppositely, the two static plates 62 are respectively arranged on two cross beams at the lower part of the frame 2, the two movable plate rotating frames 63 are respectively fixed on the two cross beams at the lower part of the frame 2 through rotating shafts, the two movable plates 61 are respectively arranged on the two movable plate rotating frames 63, and the piston rod of a movable plate driving cylinder 64 with the tail part fixed on the cross beam of the frame 2 is connected with a crank shaft of the movable plate rotating frame 63. The movable plate driving cylinder 64 drives the movable plate rotating frame 63 to rotate the movable plate 61 to a predetermined position.
The conveyor 7 can realize full package conveying out of the filling station through motor driving.
The actual working process of the automatic material filling device is as follows:
(1) initial state: the lifting frame 33, the automatic bag clamping mechanism 4 and the automatic hook device 5 are all positioned at a high position, the mouth of the container bag is sleeved outside the pipe wall of the discharge pipe 41, the two clamping arms 42 are positioned at a closed position to clamp the mouth of the bag, and the four hook rods 52 are positioned far away from the container bag hanging ring;
(2) and (4) bag blowing: air enters the container bag through a channel between the outer cylinder and the inner cylinder of the bag-blowing and discharging barrel 1, after the bag-blowing of the container bag is completed, the two movable plates drive the air cylinders 64 to simultaneously act, the two movable plates 61 rotate to preset positions and are matched with the two static plates 62, and the position of the container bag body of the container bag is adjusted;
(3) hanging a hanging ring: the four hook rod driving cylinders 56 act simultaneously, the four hook rods 52 drive the hook bodies 53 to rotate around the shaft in the direction close to the discharge pipe 41, and the four hook body driving cylinders 57 enable the four hook bodies 53 to hook four hanging rings of the container bag respectively;
(4) a band pulling ring: the shifting belt fork drives the cylinder 58 to act, the shifting belt fork 54 rotates around a shaft to drive the hanging ring to enable the belt detection fork 55 to rotate for a certain angle, meanwhile, the return spring 59 is compressed, and whether the belt ring is successfully hooked or not is confirmed by detecting the belt detection fork 55;
(5) filling: after the success of hooking is confirmed, the materials enter a packaging bag through an inner barrel of the bag-blowing and blanking barrel 1 and are filled;
(7) removing the lifting ring and loosening the clamping bag: after filling is finished, the lifting driving servo motor 31 drives the lifting frame 33 through a chain, and lowers to a low position together with the automatic bag clamping mechanism 4, the automatic hooking device 5 and the full bag, then the hook body drives the air cylinder 57 and the shifting fork drives the air cylinder 58 to act, the lifting ring is separated from the hook body 53, the belt detection fork 55 resets under the action of the reset spring 59, the hook rod drives the air cylinder 56 to act, the hook rod 52 drives the hook body 53 to be far away from the discharge pipe 41, the clamping arm driving air cylinder 45 and the bag supporting rod driving air cylinder 49 act simultaneously, the clamping arm 42 loosens the bag mouth, and the bag mouths are supported into a linear shape by the two bag supporting rods 46;
(8) and (3) full package output: the lifting driving servo motor 31 drives the lifting frame 33 through a chain and rises to a high position together with the automatic bag clamping mechanism 4 and the automatic hook device 5, the movable plate drives the air cylinder 64 to act, the movable plate 61 rotates to the outer side of the conveyor, and the conveyor moves a full bag to a sealing station to complete the whole filling work.
The invention has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the invention. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the technical solution of the present invention and its embodiments without departing from the spirit and scope of the present invention, which fall within the scope of the present invention. The scope of the invention is defined by the appended claims.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.

Claims (10)

1. An automatic filling device for a four-lifting-ring flexible container bag is characterized by comprising a bag-blowing and bag-dropping barrel (1), a lifting mechanism (3), an automatic bag-clamping mechanism (4), an automatic hooking device (5), a positioning mechanism (6) and a conveyor (7);
an external feeding device and an air supply device are connected above the bag-blowing and material-dropping barrel (1), and the bag-blowing and material-dropping barrel (1) carries out bag blowing and filling on the flexible freight bag through a discharge pipe (41) of the automatic bag clamping mechanism (4);
the automatic bag clamping mechanism (4) and the four automatic hooking devices (5) are arranged below the bag-blowing and discharging barrel (1) through the lifting mechanism (3), and the four automatic hooking devices (5) are distributed around the automatic bag clamping mechanism (4); the lifting mechanism (3) drives the automatic bag clamping mechanism (4) and the automatic hook device (5) to move up and down to a high position or a low position; before and during filling, the automatic bag clamping mechanism (4) and the automatic hooking device (5) are in a high position, after filling, the automatic bag clamping mechanism (4) and the automatic hooking device (5) move from the high position to a low position, and the automatic bag clamping mechanism (4) and the automatic hooking device (5) drive the filled flexible freight bag to descend onto the conveyor (7); the automatic bag clamping mechanism (4) comprises a discharge pipe (41), a clamping arm component and a bag opening component, wherein the clamping arm component tightly presses the mouth of the container bag to the outer side of the lower end of the discharge pipe (41) or releases the mouth of the container bag, and the bag opening component is used for supporting the mouth of the container bag into a linear shape; the automatic hooking device (5) is used for hooking the hoisting ring of the container bag during filling and separating from the hoisting ring of the container bag before and after filling;
the positioning mechanism (6) is arranged below the automatic bag clamping mechanism (4) and the four automatic hook devices (5) and is used for positioning the flexible freight bag body after bag blowing is finished;
the conveyor (7) is arranged below the positioning mechanism (6) and is used for outputting the flexible freight bags with the bag openings being supported into a linear shape to the sealing station.
2. The automatic filling device for the four-hanging-ring flexible container bag as claimed in claim 1, wherein the drum bag dropping cylinder (1) comprises an outer cylinder and an inner cylinder arranged inside the outer cylinder, the external supply device is connected with a filling channel formed inside the inner cylinder, and the external air supply device is connected with a drum bag channel formed between the inner cylinder and the outer cylinder.
3. The automatic filling device for the four-hanging-ring flexible container bag as claimed in claim 1, wherein the lifting mechanism (3) is supported by the frame (2);
the lifting mechanism (3) comprises a lifting driving servo motor (31), a driven chain wheel (32), a lifting frame (33), a balancing weight (34), a driving chain wheel (35), a first chain, a second chain, a third chain, a fourth chain and a driving shaft (36);
the driving shaft (36) is fixed on the frame (2) through a bearing, the two driving chain wheels (35) are respectively arranged at two ends of the driving shaft (36), and the two driven chain wheels (32) are supported on the frame (2);
the lifting frame (33) comprises a main frame beam and four lifting arms connected with the main frame beam, the main frame beam of the lifting frame (33) is fixedly connected with the automatic bag clamping mechanism (4), the four lifting arms of the lifting frame (33) are respectively and fixedly connected with the four automatic hook devices (5), and the balancing weight (34) and the lifting frame (33) are respectively arranged on two sides of the driving shaft (36);
the four suspension arms are respectively marked as a first suspension arm, a second suspension arm, a third suspension arm and a fourth suspension arm, the first ends of a first chain, a second chain, a third chain and a fourth chain are all connected with a balancing weight (34), the second ends of the first chain and the second chain are respectively connected with the first suspension arm and the second suspension arm through two driving sprockets (35), the second end of the third chain is connected with the third suspension arm through a driving sprocket (35) and a driven sprocket (32) in sequence, the second end of the fourth chain is connected with the fourth suspension arm through another driving sprocket (35) and another driven sprocket (32) in sequence, a lifting driving servo motor (31) drives a driving shaft (36) to rotate so as to drive the driving sprocket (35) to rotate, the driving sprocket (35) drives the first suspension arm and the second suspension arm to move up and down through the first chain and the second chain, and simultaneously drives the third suspension arm and the fourth suspension arm to move in the same direction through the third chain and the fourth chain, the up-and-down movement of the automatic bag clamping mechanism (4) and the automatic hooking device (5) is realized;
the two driven sprockets (32) and the two driving sprockets (35) are arranged in a rectangular shape.
4. The automatic filling device for the four-lifting-ring flexible container bag as claimed in claim 1, wherein the automatic bag clamping mechanism (4) comprises two groups of clamping arm assemblies and bag supporting assemblies, and the automatic bag clamping mechanism (4) further comprises two groups of clamping arm supporting assemblies and two groups of bag supporting assemblies;
the two groups of clamping arm supporting assemblies and the two groups of bag supporting assemblies are fixedly arranged on the outer surface of the discharge pipe (41), and are respectively symmetrical about the axis of the discharge pipe (41); the discharge pipe (41) is vertically arranged, and the axis of the discharge pipe (41) is collinear with the axis of the bag-blowing charging barrel (1);
the clamping arm component comprises a clamping arm driving transmission mechanism and a clamping arm (42); the clamping arm driving transmission mechanism is fixed on the clamping arm supporting component and drives the clamping arms (42) to press the mouth of the container bag to the outer side of the lower end of the discharge pipe (41) or release the mouth of the container bag;
the bag opening component comprises a bag opening rod (46) and a bag opening rod driving transmission mechanism which are vertically arranged; prop a bag pole drive mechanism and be fixed in and prop on the bag supporting component, prop a bag pole drive mechanism drive and prop bag pole (46) to the direction translation of being close to or keeping away from discharging pipe (41) surface, move along vertical direction simultaneously, realize propping the bag to the line type of sack.
5. The automatic filling device for the four-hanging-ring flexible container bag as claimed in claim 4, wherein the clamping arm driving transmission mechanism comprises a clamping arm driving cylinder (45), a first swing rod (44), a first connecting rod (43) and a first crank;
the upper end of the clamping arm (42) is connected with the clamping arm supporting component through a first rotating shaft; one end of the first crank is arranged on the first rotating shaft, and the other end of the first crank is connected with one end of the first connecting rod (43) through the second rotating shaft; the other end of the first connecting rod (43) is connected with one end of a first swing rod (44) through a third rotating shaft, and the other end of the first swing rod (44) is connected with the clamping arm supporting component through a fourth rotating shaft;
the clamping arm driving cylinder (45) drives the first swing rod (44) to rotate around the fourth rotating shaft, the first swing rod (44) drives the clamping arm (42) to rotate around the first rotating shaft through the first connecting rod (43) and the first crank in sequence, and the lower end of the clamping arm (42) is close to or far away from the outer surface of the discharge pipe (41);
the bag opening rod driving transmission mechanism comprises a bag opening rod driving cylinder (49), a second connecting rod (48), a second swing rod (47), a second crank and a connecting rod (410);
the connecting rod (410) is fixedly connected with the upper end of the bag supporting rod (46);
the connecting rod (410) is arranged along the vertical direction;
one end of a second connecting rod (48) is connected with the bag supporting component through a fifth rotating shaft, the other end of the second connecting rod (48) is connected with the first end of a connecting rod (410) through a sixth rotating shaft, the second end of the connecting rod (410) is connected with one end of a second swing rod (47) through a seventh rotating shaft, and the other end of the second swing rod (47) is connected with the bag supporting component through an eighth rotating shaft;
a piston rod of a bag supporting rod driving cylinder (49) is connected with one end of a second crank, and the other end of the second crank is connected with a fifth rotating shaft; the connecting line of the fifth rotating shaft, the sixth rotating shaft, the seventh rotating shaft and the eighth rotating shaft is a parallelogram;
the bag supporting rod driving cylinder (49) drives the second connecting rod (48) to rotate around the fifth rotating shaft through the second crank, the second connecting rod (48) drives the bag supporting rod (46) to move horizontally in the direction close to or far away from the outer surface of the discharge pipe through the second swing rod (47) and the connecting rod (410), and meanwhile, the bag supporting rod moves in the vertical direction.
6. The automatic filling device for the four-hanging-ring flexible container bag as claimed in claim 4, wherein the clamping arms (42) comprise a rod-shaped structure and a triangular structure;
the upper end of the rod-shaped structure is connected with the clamping arm driving transmission mechanism, the lower end of the rod-shaped structure is connected with one corner of the triangular structure, a clamping jaw is arranged outside one corner of the other two corners of the triangular structure, which is close to the outer surface of the discharge pipe (41), and the clamping jaw presses the opening of the bag on the outer surface of the discharge pipe (41);
the clamping jaw sequentially comprises a clamping jaw frame, a pressing plate, a soft seal and a fastener, wherein the soft seal is tightly pressed between the clamping jaw frame and the pressing plate; the clamping jaw frame, the soft seal and the pressing plate are all in a semicircular shape;
the clamping jaw frame is fixedly connected with the clamping arm (42), and the fastener is fixedly connected with the pressure plate after sequentially penetrating through the clamping jaw frame and the soft seal;
the triangular structure in the clamping arm (42) is a hollow structure;
two sides of the pipe wall at the lower end of the discharge pipe (41) extend downwards to form a bag sleeving part, and when the clamping arm driving transmission mechanism drives the clamping arms (42) to press the mouth of the flexible freight bag on the outer surface of the lower end of the discharge pipe (41), the bag sleeving parts at the two sides are inserted into the flexible freight bag; the lower end edge of the bag outlet part is in an arc shape protruding downwards; the first outer diameter of the discharge pipe (41) is unchanged, the second outer diameter of the discharge pipe (41) is gradually increased from bottom to top, the first outer diameter is the outer diameter parallel to the connecting line direction of the bag sleeving parts at the two sides, and the second outer diameter is the outer diameter vertical to the first outer diameter;
the upper end of the discharge pipe (41) is fixedly connected with the lifting mechanism (3) through a flange;
each group of clamping arm supporting component and each group of bag supporting component respectively comprise two supporting plates which are parallel to each other, and the supporting plates are perpendicular to the outer surface of the discharge pipe (41).
7. The automatic filling device for the four-hanging-ring flexible container bag as claimed in claim 1, wherein the automatic hooking device (5) comprises a fixing frame (51), a hooking rod (52), a hook body (53), a belt detection fork (55) and a return spring (59);
the fixed frame (51) is fixedly arranged on the lifting mechanism (3);
the upper end of the hook rod (52) is connected with the fixed frame (51) through a ninth rotating shaft, the lower end of the hook rod is connected with the hook body (53) through a tenth rotating shaft, the hook rod (52) rotates around the ninth rotating shaft to drive the hook body (53) to be close to or far away from the hanging ring, and the hook body (53) rotates around the tenth rotating shaft to hook or separate from the hanging ring;
the belt detection fork (55) is arranged on the tenth rotating shaft, a mounting point of the belt detection fork (55) and the tenth rotating shaft is positioned between the upper end and the lower end of the belt detection fork (55), and the belt detection fork (55) is divided into an upper section and a lower section by taking the mounting point as a boundary;
a return spring (59) is sleeved on the tenth rotating shaft, one end of the return spring (59) is fixedly connected with the upper section of the belt detection fork (55), and the other end of the return spring (59) is fixedly connected with the hook rod (52); a detection switch is arranged above one side of the opening of the hook body (53), and a stop block is arranged above the other side of the hook body (53); when the hook body (53) is separated from the lifting ring, the reset spring (59) is in a non-compression state, the upper section of the belt detection fork (55) is pressed on the stop block, the lower section of the belt detection fork (55) is positioned at the opening of the hook body (53), when the lifting ring is hooked by the hook body (53), the lifting ring pushes the lower section of the belt detection fork (55) to enable the belt detection fork (55) to rotate around the tenth rotating shaft, meanwhile, the reset spring (59) is compressed, and when the upper section of the belt detection fork (55) is pressed on the detection switch, the lifting ring is hooked;
the automatic hooking device (5) also comprises a shifting fork (54);
the shifting belt fork (54) is connected with the lower end of the hook rod (52) through an eleventh rotating shaft;
the shifting belt fork (54) is positioned on one side of the opening of the hook body (53);
the eleventh rotating shaft rotates to drive the shifting fork (54) to rotate, so that the hanging ring continues to move towards the interior of the hook body (53) after being hooked by the hook body (53).
8. The automatic filling device for the four-hanging-ring flexible container bag as claimed in claim 7, wherein the hook rod (52) comprises an inner hook rod and an outer hook rod which are sleeved with each other, the upper end of the inner hook rod is connected with the fixing frame (51) through a ninth rotating shaft, the lower end of the outer hook rod is connected with the hook body (53) through a tenth rotating shaft, a fastening seat is arranged on the outer surface of the inner hook rod, an adjusting screw rod parallel to the hook rod (52) is arranged on the outer surface of the outer hook rod, and the length of the inner hook rod positioned in the outer hook rod is adjusted through the matching of the adjusting screw rod and the fastening seat, so that the length adjustment of the hook rod (52) is realized;
the automatic hook device (5) also comprises a hook rod driving cylinder (56) and a hook body driving cylinder (57);
the tail part of the hook rod driving cylinder (56) is fixed on the fixed frame (51), and a piston rod of the hook rod driving cylinder (56) is connected with the hook rod (52) and used for driving the hook rod (52) to rotate around the ninth rotating shaft to drive the hook body (53) to be close to or far away from the hanging ring;
the tail part of the hook body driving cylinder (57) is fixed on an outer hook rod in the hook rod (52), and a piston rod of the hook body driving cylinder (57) is connected with the hook body (53) and used for driving the hook body (53) to rotate around a tenth rotating shaft to hook or separate from the hanging ring;
the automatic hook device (5) also comprises a shifting fork driving cylinder (58);
the tail part of the tape shifting fork driving cylinder (58) is fixed on the hook rod (52), a piston rod of the tape shifting fork driving cylinder (58) is connected with the eleventh rotating shaft through a crank, the tape shifting fork (54) is fixedly connected with the eleventh rotating shaft, the tape shifting fork driving cylinder (58) drives the eleventh rotating shaft to rotate through the crank, and the eleventh rotating shaft drives the tape shifting fork (54) to rotate;
the stop block and the detection switch are both fixedly arranged on an outer hook rod in the hook rods (52);
the return spring (59) comprises a torsion spring and a linear connecting end extending out of two ends of the torsion spring; the torsion spring is sleeved on the tenth rotating shaft, and the connecting ends extending out of the two ends of the torsion spring are respectively and fixedly connected with the upper section of the belt detection fork (55) and the hook rod (52);
the belt detection fork (55) is of a U-shaped structure with an opening at the upper end, a tenth rotating shaft simultaneously penetrates through the lower end of the hook rod (52) and the upper end of the hook body (53), and two sides of the belt detection fork (55) of the U-shaped structure are respectively installed at two ends of the tenth rotating shaft; two return springs (59) are respectively positioned between two sides of the U-shaped detection fork (55) and the hook rod (52); when the hook body (53) is separated from the hanging ring, the return spring (59) is in a non-compression state, the upper section with the detection fork (55) is pressed on the stop block, and the lower section with the detection fork (55) is sleeved on the outer side of the hook body (53) to stop the opening of the hook body (53);
the tape shifting fork (54) is of a U-shaped structure with an opening at the upper end, and the tape shifting fork (54) is arranged on the outer side of the lower section of the tape detection fork (55); the two sides of the upper end of the shifting belt fork (54) are fixedly connected with a shifting belt fork mounting plate, a plurality of mounting holes are formed in the shifting belt fork mounting plate, the two sides of the upper end of the shifting belt fork (54) are fixed at two ends of a third rotating shaft after the screws are matched with the mounting holes, and the screws are matched with different mounting holes to realize the height adjustment of the shifting belt fork (54) relative to the hook body (53).
9. The automatic filling device for the four-hanging-ring flexible container bag as claimed in claim 1, wherein the positioning mechanism (6) comprises two movable plates (61), two static plates (62), two movable plate rotating frames (63) and two movable plate driving cylinders (64);
the positioning mechanism (6) is arranged below the automatic bag clamping mechanism (4) and the 4 automatic hooking devices (5) through the rack (2);
the two static plates (62) are oppositely arranged, and the static plates (62) are fixedly connected with the rack (2);
the two movable plate rotating frames (63) are connected with the frame (2) through the movable plate rotating frame mounting rotating shafts; the movable plate rotating frame is provided with a rotating shaft along the vertical direction;
the two movable plates (61) are respectively arranged on the two movable plate rotating frames (63), and the two movable plate driving cylinders (64) respectively drive the two movable plate rotating frames (63) to rotate around the movable plate rotating frame mounting rotating shaft; when the positioning mechanism (6) positions the container bag body, the two movable plates (61) and the two static plates (62) enclose a space for accommodating the container bag body, and when the conveyor (7) outputs the container bag with the bag opening being supported into a linear shape to the sealing station, the movable plate rotating frame (63) drives the movable plates (61) to move to the outer side of the conveyor (7).
10. An automatic filling method for a four-hanging-ring flexible container bag, which is implemented by using the automatic filling device for the four-hanging-ring flexible container bag as claimed in any one of claims 1 to 9, and comprises the following steps:
before filling: the automatic bag clamping mechanism (4) and the automatic hooking device (5) move to a high position, a clamping arm component of the automatic bag clamping mechanism (4) tightly presses the mouth of the flexible freight bag to the outer side of the lower end of the discharge pipe (41), and the automatic hooking device (5) is separated from a flexible freight bag hanging ring; the bag-blowing and discharging barrel (1) is used for blowing bags to the flexible freight bags through a discharging pipe (41) of the automatic bag clamping mechanism (4); after the bag is blown, the positioning mechanism (6) positions the bag body of the flexible freight bag;
when filling is carried out: the automatic hooking device (5) hooks the hoisting ring of the flexible freight bag; the bag-blowing and material-dropping barrel (1) fills the flexible freight bag through a discharge pipe (41) of the automatic bag-clamping mechanism (4);
after filling: the automatic bag clamping mechanism (4) and the automatic hook device (5) move to a low position, and the automatic bag clamping mechanism (4) and the automatic hook device (5) drive the filled flexible freight bag to be placed on the conveyor (7); the automatic hooking device (5) is separated from the hoisting ring of the container bag; the mouth of the flexible freight bag is released by the clamping arm component of the automatic bag clamping mechanism (4), and the mouth of the flexible freight bag is stretched into a linear shape by the bag stretching component of the bag clamping mechanism (4); the automatic bag clamping mechanism (4) and the automatic hook device (5) move to a high position, and the conveyor (7) outputs the flexible freight bags with the bag openings being supported into a linear shape to the sealing station.
CN202210359350.1A 2022-04-06 2022-04-06 Automatic filling device and method for four-lifting-ring flexible container bag Active CN114933064B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105523202A (en) * 2016-02-03 2016-04-27 哈尔滨博实自动化股份有限公司 Automatic ton bag packing device suitable for fine powder
CN208393648U (en) * 2018-06-06 2019-01-18 秦皇岛嘉日隆机器人技术有限公司 The charging system for the charger that can prevent powder from overflowing
CN111247923A (en) * 2020-03-16 2020-06-09 济南大学 Simple fertilizer applicator
CN112173263A (en) * 2020-11-02 2021-01-05 河北工业大学 Full-automatic ton bag packaging machine
CN213769254U (en) * 2020-09-10 2021-07-23 元亨鼎峰(天津)机械科技有限公司 Full-automatic ton bag packaging machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105523202A (en) * 2016-02-03 2016-04-27 哈尔滨博实自动化股份有限公司 Automatic ton bag packing device suitable for fine powder
CN208393648U (en) * 2018-06-06 2019-01-18 秦皇岛嘉日隆机器人技术有限公司 The charging system for the charger that can prevent powder from overflowing
CN111247923A (en) * 2020-03-16 2020-06-09 济南大学 Simple fertilizer applicator
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CN112173263A (en) * 2020-11-02 2021-01-05 河北工业大学 Full-automatic ton bag packaging machine

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