CN110745262A - Waste plastic particle bagging equipment - Google Patents

Waste plastic particle bagging equipment Download PDF

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Publication number
CN110745262A
CN110745262A CN201910930290.2A CN201910930290A CN110745262A CN 110745262 A CN110745262 A CN 110745262A CN 201910930290 A CN201910930290 A CN 201910930290A CN 110745262 A CN110745262 A CN 110745262A
Authority
CN
China
Prior art keywords
scraping
rotating shaft
pressing
lifting
cylinder
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.)
Pending
Application number
CN201910930290.2A
Other languages
Chinese (zh)
Inventor
许开华
蒋振康
鲁习金
秦玉飞
李坤
张云河
刘玉清
赵家贤
邓兴柱
何超超
张超
刘锐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Green Eco-Manufacture Resource Cycle Co Ltd
Original Assignee
Jiangxi Green Eco-Manufacture Resource Cycle Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Green Eco-Manufacture Resource Cycle Co Ltd filed Critical Jiangxi Green Eco-Manufacture Resource Cycle Co Ltd
Priority to CN201910930290.2A priority Critical patent/CN110745262A/en
Publication of CN110745262A publication Critical patent/CN110745262A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/10Methods of, or means for, filling the material into the containers or receptacles by rotary feeders
    • B65B1/12Methods of, or means for, filling the material into the containers or receptacles by rotary feeders of screw type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/20Reducing volume of filled material
    • B65B1/22Reducing volume of filled material by vibration
    • 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
    • B65B43/54Means for 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
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/24Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages

Abstract

The invention discloses waste plastic particle bagging equipment which is characterized by comprising the following components: the device comprises a spiral feeder, a storage tank, a material metering device and a packaging bag shaping device; the packaging bag shaping device comprises a rack, a lifting assembly and a pressing assembly. The lifting assembly comprises a lifting plate, telescopic rods and a lifting cylinder, the two telescopic rods are vertically placed, and the bottom ends of the two telescopic rods are fixed; the lifting plate is horizontally arranged, and the bottom surface of the lifting plate is fixed at the free ends of the two telescopic rods; the lifting cylinder is vertically arranged, the cylinder body of the lifting cylinder is fixed, and the piston rod of the lifting cylinder is connected with the lifting plate; the two pressing components are oppositely arranged; waste plastics are conveyed to a storage tank through a spiral feeder, and then are quantitatively bagged after being weighed by a material metering device. The packaging bag is pushed by the lifting plate to move up and down, and the pressing piece can scrape and extrude the two sides of the packaging bag in the reciprocating up and down lifting process of the lifting plate, so that cavities formed by bridging of materials are reduced, and the shape of the packaging bag is kept flat.

Description

Waste plastic particle bagging equipment
Technical Field
The invention relates to the field of automatic packaging, in particular to waste plastic particle bagging equipment.
Background
The waste plastic particles have irregular shapes and poor flowability. Therefore, the phenomenon of material bridging and caking is easy to occur in the processes of material conveying and bagging. The conveying channel is easy to block in the process of conveying waste plastics in the equipment, so that the transmission structure in the equipment is blocked. Meanwhile, waste plastics are easy to bridge and agglomerate to form cavities, and the packaging bags are easy to deform due to round drums in the bagging process, so that the bags are easy to damage. Therefore, how to overcome the phenomenon that waste plastic particles have poor fluidity and are easy to bridge and agglomerate in the bagging process of the waste plastic particles is a technical problem which needs to be solved urgently.
Disclosure of Invention
The invention aims to overcome the technical defects and provide a method for solving the technical problem that waste plastic particles in the prior art are poor in flowability and easy to bridge and agglomerate.
In order to achieve the above technical object, a technical solution of the present invention includes a waste plastic particle bagging apparatus, comprising: the device comprises a spiral feeder, a storage tank, a material metering device and a packaging bag shaping device; the material storage tank is vertically arranged and is provided with an upper tank opening and a lower tank opening; the spiral feeder is obliquely arranged, and the output end of the spiral feeder is connected with the upper tank opening of the storage tank; the material metering device is used for receiving the lower tank opening of the storage tank, quantitatively weighing materials and bagging; wrapping bag shaping device is used for carrying out the plastic to the wrapping bag of bagging-off in-process, and it includes: the lifting assembly comprises a lifting plate, telescopic rods and a lifting cylinder, the two telescopic rods are vertically placed, and the bottom ends of the two telescopic rods are fixed; the lifting plate is horizontally arranged, and the bottom surface of the lifting plate is fixed at the free ends of the two telescopic rods; the lifting cylinder is vertically arranged, the cylinder body of the lifting cylinder is fixed, and the piston rod of the lifting cylinder is connected with the lifting plate; the two pressing components are oppositely arranged; the pressing and holding assembly comprises a pressing and holding sheet, guide rails and a pressing and holding cylinder, and the two guide rails are arranged in the middle of the rack in a sliding and parallel mode; the pressing and holding piece is vertically arranged, and two opposite sides of the pressing and holding piece are respectively arranged on the two guide rails in a sliding manner; the pressing cylinder is connected with the pressing sheet in a driving mode along the direction of the guide rail.
Compared with the prior art, the invention has the beneficial effects that: the screw feeder conveys waste plastic particles from low to high to an upper tank opening of the storage tank. And after the materials in the material storage tank are conveyed to the material metering device from the lower tank opening, the materials are quantitatively weighed by the metering device and then bagged. In the bagging process, the lifting plate supports the bottom of the packaging bag, and the two pressing and holding pieces reach preset positions along the guide rail under the pushing of the pressing and holding air cylinder and support the two sides of the packaging bag. Along with the material constantly increases in the packing, the lifting plate moves up and down under the drive of lifting cylinder, and the wrapping bag moves up and down under the promotion of lifting plate to the cavity that the material bridging formed has been reduced. Meanwhile, when the diameter of the middle part of the packaging bag is continuously increased until the pressing and holding pieces at the two sides are pressed, the pressing and holding pieces can scrape and extrude the two sides of the packaging bag under the action of reciprocating up-and-down lifting of the lifting plate. The cavity formed by bridging of materials is further reduced under the extrusion acting force of the side surface, and the shape of the packaging bag tends to be flat under the limiting extrusion of the two side pressing pieces, so that the subsequent conveying and stacking are facilitated.
Drawings
FIG. 1 is a schematic structural view of a waste plastic bagging apparatus of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a screw feeder according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a propulsion assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a negative pressure assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a scraper bar according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a material metering device according to an embodiment of the present invention;
FIG. 7 is a schematic view of a turntable configuration according to an embodiment of the present invention;
FIG. 8 is a schematic view of a measuring cylinder according to an embodiment of the present invention;
FIG. 9 is a schematic view of a discharge plate configuration according to an embodiment of the present invention;
FIG. 10 is a diagram illustrating a cache box structure according to an embodiment of the present invention;
FIG. 11 is a schematic view of a discharge hopper configuration according to an embodiment of the present invention;
FIG. 12 is a schematic structural view of a package bag shaping device according to an embodiment of the present invention;
FIG. 13 is a schematic view of a rack configuration of an embodiment of the present invention;
FIG. 14 is a schematic structural diagram of a lift assembly according to an embodiment of the present invention;
FIG. 15 is a schematic structural diagram of a pressing assembly according to an embodiment of the present invention;
fig. 16 is a schematic view of a guide rail structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the invention provides waste plastic particle bagging equipment, which comprises a spiral feeder a, a storage tank B, a material metering device C and a packaging bag shaping device D. Wherein the storage tank B is vertically arranged and is provided with an upper tank opening B110 and a lower tank opening B120. The screw feeder A conveys waste plastic particles from low to high to a storage tank B
The screw feeder A conveys waste plastic particles to an upper tank opening B110 of a storage tank B from low to high, then the materials are conveyed to a material metering device C from a lower tank opening B120, the materials are packaged after being metered by the metering device C, and a packaging bag shaping device D shapes a packaging bag in the packaging process.
As shown in fig. 2, the screw feeder includes a casing a100, a propelling component a200, and a negative pressure component a 300. As shown in fig. 1, the casing a100 is a cylindrical structure, because the casing a100 is pressed by materials, and has a large load, and a large casing wall thickness is provided in the design, for cost reduction, it is preferable to cast the casing a100 in the embodiment by using Q235, and the casing a100 is horizontally placed, so as to facilitate feeding under the action of gravity, and therefore, a vertically upward inlet a110 is opened on the outer wall on the left side. The right side of the housing a100 is also provided with a downward outlet a 120. It should be noted that, as the screw feeder, inclined conveyance from low to high or from high to low may be performed. The horizontal placement of the housing a100 in this embodiment is merely for convenience of illustration of technical issues. In addition, in order to facilitate the installation of the propulsion assembly a200, the end caps a130 are provided at both ends of the casing a100, and accordingly, the connection between the end caps a130 and the casing a100 should be sealed because a negative pressure is formed in the casing a 100.
As shown in fig. 3, the propulsion assembly a200 includes a propulsion rotating shaft a210, a blade a220 and a propulsion motor a230, the propulsion rotating shaft a210 is coaxially disposed in the casing a100, and two ends of the propulsion rotating shaft a210 are respectively fixed to the left and right end covers a130 through two bearings a 131. The blades a220 are helical, and have inner edges welded to the propelling shaft a210 and outer edges near the inner wall of the casing a100, thereby forming a helical channel inside the casing a 100. The propulsion motor a230 is preferably connected to the propulsion shaft a210 directly, or may be connected to the propulsion shaft a210 by using a sprocket drive or other connection means according to an actual field-mounted control.
As shown in fig. 4, the negative pressure assembly a300 includes a guide shell a310, a filter screen a320 and a blower a330, the guide shell a310 is formed with a material passage a311, a branch a311a of which is connected to the outlet a120, and another branch a311b of which is connected to a311a to form an inverted L-shaped passage and extends downward. One end of the negative pressure channel A312 is communicated with the turning point of the inverted L-shaped channel of the material channel A311, and the other end of the negative pressure channel A is connected with the fan A330, so that negative pressure is provided for the inside of the whole spiral feeder. And simultaneously, the material is prevented from flowing into the negative pressure channel under the action of the airflow. The filter screen A320 is arranged at the intersection of the negative pressure channel A312 and the material channel A311 to block materials, so that the materials are prevented from being attached to the filter screen A320 and influencing the passing of air flow, the filter screen A320 preferably adopts an arc curved surface, the materials and meshes of the filter screen A320 can be prevented from forming an airtight space, and the materials are prevented from being attached to the filter screen A320 under the action of negative pressure.
The material enters the spiral path in the housing a100 from the inlet a110, and moves along the spiral path toward the outlet a120 under the urging of the rotating spiral blade a 220. Meanwhile, the fan a330 connected to the negative pressure channel a313 provides negative pressure, and the negative pressure is transmitted into the casing a100 through the material channel a 311. Thereby form along import A110 to export A120's air current in casing A100's spiral passage, be favorable to promoting the material to follow the spiral passage motion under the scouring action of air current, can destroy local material bridging structure simultaneously under the impact of air current to avoid a large amount of materials bridging to pile up the piece and block up spiral passage, and then promoted the screw feeder to the conveying ability because of the irregular relatively poor material of mobility that leads to of shape. After the material enters the guide shell A310, the material is pushed by the airflow and the material from the outlet A120 to pass through the branch A311a, and is discharged out of the guide shell A310 from the branch A311 under the action of gravity.
Considering that the curved surface design of the filter screen A320 can not completely prevent the phenomenon that the materials are attached to the filter screen A320, and meanwhile, the problem that the materials are stacked and bridged easily occurs at the intersection point of the material channel A311 and the negative pressure channel A312. Therefore, a cylindrical cavity A313 is expanded and extended at the inflection point of the L shape for installing a scraping assembly A400, and the scraping assembly A400 comprises a scraping rotating shaft A410, a scraping rod A420 and a scraping motor A430. The scraping rotating shaft A410 and the arc curved surface of the filter screen A320 are coaxially arranged, and two ends of the scraping rotating shaft A410 are respectively fixed on the side wall of the guide shell A310 through bearings. The scraping motor A430 drives the scraping rotating shaft A410 in a direct connection mode. The scraping rod A420 is used for scraping materials attached to the surface of the filter screen A320 and stirring the materials in the cavity A313 to avoid the phenomenon of bridging and caking. In this embodiment, a T-shaped structure is preferably adopted, the vertical rod a421 is fixed to the scraping rotating shaft a410, the horizontal rod a422 is close to the filter screen a320, the scraping rod a420 can surround the scraping rotating shaft a410 under the driving of the scraping rotating shaft a410, and the material in the cavity a313 is stirred while the material attached to the surface of the filter screen a320 is scraped.
In order to facilitate the disassembly and assembly of the scraping assembly a400, in this embodiment, a detachable mounting cover a314 is disposed on a side wall of the pod a310, wherein a bearing for mounting the scraping rotation shaft a410 is mounted on the mounting cover a314, and the scraping rotation shaft a410 passes through the mounting cover a314 to be connected to the scraping motor a 430. It should also be noted that the mounting of the mounting cap a314 is made with a view to airtightness.
In order to improve the feeding efficiency of the spiral feeder, a feed hopper A500 is additionally arranged at the inlet A110, the feed hopper A500 is a conical shell with openings at the upper end and the lower end vertically placed, the diameter of the conical shell is gradually reduced from top to bottom, and the bottom end of the conical shell is connected with the inlet A110. In addition, the material at the inlet is easy to bridge and agglomerate, and preferably, the vibration motor A510 is arranged on the outer wall of the feed hopper A500 to transmit vibration to the material in the feed hopper A500 so as to prevent the material from agglomerating.
As shown in fig. 6, the material metering device C includes a turntable C100, a measuring cylinder C200, a discharge plate C300, and a first motor C400.
The rotary disc C100 is in a round cake shape, a driving shaft C110 extends out of the center of the rotary disc C100 and is used for being connected with a motor C400, three feeding holes C120 are uniformly distributed along the circumference, an annular groove C121 is formed in the upper edge of each feeding hole C120 and used for mounting a measuring cylinder C200, and three screw holes C121a are formed in the annular groove C121 for fixing the measuring cylinder.
The measuring cylinder C200 is a vertical cylindrical structure, the upper end of the measuring cylinder C200 extends out of the annular protrusion C210 along the horizontal direction, and the annular protrusion C210 is embedded in the annular groove C121 to mount the measuring cylinder C200. Meanwhile, the annular protrusion C210 is further provided with a plurality of through holes C211 and screws C212 mounted on the through holes. The threaded end of the screw C212 is threaded through the through hole C211 and into the screw hole C121 a. Thereby sequentially fixing the plurality of measuring cylinders C200 to the tray C100.
In order to clearly and simply highlight the functional features of the discharging plate C300, the rooting position of the discharging plate C300 is not shown in detail in this embodiment. The discharge plate C300 is abutted to the lower end face of the measuring cylinder C200, so that the measuring cylinder C200 can slide on the discharge plate C300, and the discharge plate C300 and the measuring cylinder C200 form a storage space to measure materials. Meanwhile, the discharge plate C300 is provided with a discharge hole C310 on the movement locus of the measuring cylinder C200 for emptying the material in the measuring cylinder C200.
The motor C400 includes a motor body C400, a first gear C410, a second gear C420 and a chain C430, wherein the center of the first gear C410 is connected to the rotating shaft of the motor C400, and the center of the second gear C420 is connected to the driving shaft C110 of the turntable C100. The chain C430 surrounds the first gear C410 and the second gear C420, and controls the rotation of the turntable C100 under the driving of the motor C400.
The upper ends of a plurality of measuring cylinders C200 are respectively fixed in the feed inlet C120 of the turntable C100, and the bottom ends of the measuring cylinders C200 are slidably arranged on the upper surface of the discharge plate C300; the measuring cylinder C200 can move circularly relative to the discharging plate C300 under the driving of the rotating disc C100. The feeder output of anterior segment sets up on the circumferencial line of carousel C100 feed inlet C120, when one of them feed inlet C120 stops at the feeder output, fills the material in the vector section of thick bamboo C200 through feed inlet C120. After sufficient time, the measuring cylinder C200 is filled, and the rotating disc is rotated to replace the next empty measuring cylinder C200 to receive the materials. And the measuring cup C200 filled with the materials slides on the discharging plate C300 under the driving of the turntable C100, and when the lower end of the discharging port C310 is in butt joint with the lower end of the measuring cylinder C200, the measuring cylinder C200 is emptied. Then, the next measuring cylinder C200 filled with the material is replaced to the discharge port C310 by the rotation of the rotary disk C100. Through the improvement of the invention, two processes of filling materials and discharging materials can be simultaneously carried out, the waiting time of the front-section feeding equipment and the rear-section bagging equipment for matching the metering device is shortened, and the production efficiency of the automatic bagging equipment is improved.
In order to avoid the loss caused by material leakage in the metering process, the embodiment preferably adopts a buffer storage box C500 on the basis of the above technical scheme, the buffer storage box C500 is a vertical cylinder with an opening at the upper end and a sealed bottom end, the bottom surface is close to the turntable C100, and a matching opening C510 is formed in the bottom surface and is arranged on the circular motion track of the feeding opening C120.
The opening at the upper end of the buffer box C500 receives the materials conveyed by the front section feeding equipment and buffers the materials in the box body. Meanwhile, a matching port C510 formed in the bottom end of the buffer box C500 is matched with a feeding port C120 of the rotary disc C100, and materials can enter the measuring cylinder C200 after the two are overlapped. And when the rotary table rotates, the matching port C510 and the feeding port C120 are staggered, so that the material is prevented from flowing, and the material leakage waste is avoided. Meanwhile, a gap exists between the bottom surface of the buffer tank C500 and the upper surface of the turntable C100, a small amount of material may enter the gap, and long-term accumulation may hinder the rotation of the turntable C100. Therefore, a rubber gasket is required to be arranged at the bottom end of the matching port C510 to prevent the material from leaking. Meanwhile, the matching surface between the buffer tank C500 and the turntable C100 is also a part that needs to be cleaned and maintained periodically.
The solid material has poor flowability, and the metering efficiency is prevented from being influenced by the accumulation of the material in the buffer tank C500. In this embodiment, a rotating shaft C520, a blade C530 and a second motor C540 for driving the rotating shaft C520 are additionally provided in the buffer box C500. The rotating shaft C520 is coaxially arranged in the buffer box C500. The blade C530 is rectangular, one side of which is fixed to the rotating shaft C520, and the outer edge of which is close to the inner wall and the bottom surface of the buffer box C500. The second motor C540 drives the rotating shaft C520, the connection mode of the second motor C540 and the rotating shaft C520 is not limited in the present invention, and the connection mode can be adjusted according to the actual equipment assembly condition, and in this embodiment, in view of saving space, a driving method of directly connecting the second motor C540 and the rotating shaft C520 is adopted.
Under the driving of the second motor C540, the rotating shaft C520 drives the blade C530 to rotate, so as to stir the material in the buffer tank C500, and the material may periodically rush toward the matching port C510 under the pushing of the blade C530. Thereby ensuring that the matching port has stable material supply. In order to improve the stirring effect of the blades C530, at least two blades C530 are uniformly arranged in the buffer tank C500.
In order to facilitate bagging, a discharge hopper C600 is additionally arranged on the basis of the technical scheme, the discharge hopper C600 is funnel-shaped and is arranged below the discharge port, and the upper edge of the discharge hopper C600 abuts against the lower surface of the discharge plate C300. And materials discharged from the discharge port C310 are received, the inner wall of the discharge hopper inclines downwards to gather the materials, and the materials are finally discharged from the outlet C610.
As shown in fig. 12, the packing bag shaping apparatus D includes a frame D100, a lifting assembly D200, and a pressing assembly D300.
The frame D100 has four support legs D110, and a rectangular frame D120 having four corners supported by the four support legs D110. Since the application scenario of the embodiment is a recycling processing workshop of waste plastics, and the working environment is relatively severe, it is preferable to use a 304 stainless steel square tube as a manufacturing material of the support leg D110 and the rectangular frame D120.
The lifting assembly D200 comprises a lifting plate D210, an expansion rod D220 and a lifting cylinder D230, and the lifting assembly D200 is arranged in the frame of the machine frame D100. Two telescopic link D220 are vertical to be placed, and the bottom mounting is in the bottom surface or other reliable and stable connection faces, and the free end of two telescopic link D220 and lifting plate D210 bottom surface fixed connection. The lifting cylinder D230 is vertically disposed, the cylinder body is also fixed to the bottom surface or other stable and reliable connecting surface, and the piston rod is connected to the lifting plate D210. Under the supporting and guiding action of the telescopic rod D220, the lifting cylinder D230 can drive the lifting plate D210 to move in the vertical direction.
The pressing and holding assembly D300 includes a pressing and holding cylinder D310, a guide rail D320, a vibrator D330, a pressing and holding piece D340, and a slider D350. The two guide rails D320 are laid on the rectangular frame D120 of the frame D100 in parallel, and the cross section of the sliding groove D321 of the guide rail D320 is in an inverted T shape. The sliding seat D350 is provided with an inverted T-shaped sliding key which is matched with the sliding groove D321 of the guide rail D320, and the sliding seat D350 can slide along the guide rail D320. The pressing and holding piece D340 is vertically arranged, in order to enable the pressing and holding piece D340 to be more attached to the shape of the packaging bag, the inner side face of the pressing and holding piece D340 is preferably an arc face, and the arc face is bent from two sides to the center in a concave mode. The specific bending radian of the pressing piece D340 can be adjusted adaptively according to the specification of the packing bag D400. The two angles at the bottom end are respectively fixed on two sliding bases D350, so that the pressing and holding piece D340 can move along the guide rail D320 under the driving of the sliding base D350. The pressing cylinder D310 is arranged parallel to the guide rail D320, the cylinder body is fixedly arranged, the piston rod is connected with the pressing sheet D340, and the pressing sheet D340 is driven to move on the guide rail. Finally, two pressing assemblies D300 are oppositely arranged and used for pressing the packaging bag D400.
During bagging, the lifting plate D210 lifts the bottom of the packaging bag D400, and the two pressing pieces D340 slide along the guide rail D320 through the matching relationship between the sliding seat D350 and the guide rail D320, and the pressing pieces D340 reach a preset position under the pushing of the pressing cylinder D310 to support the two sides of the packaging bag D400. Along with the continuous increase of D400 material in the packing, lifting plate D210 moves from top to bottom under the drive of lifting cylinder D230, and wrapping bag D400 moves about under lifting plate D210's promotion to the cavity that the material bridging formed has been reduced. Meanwhile, when the diameter of the middle part of the packaging bag D400 is continuously increased until the pressing pieces D340 at the two sides are pressed, the pressing pieces D340 scrape and extrude the two sides of the packaging bag D400 in the process of lifting the lifting plate D210 up and down in a reciprocating manner. The cavity formed by bridging of materials is further reduced under the extrusion acting force of the side surface, and the shape of the packaging bag D400 tends to be flat under the limiting extrusion of the two side pressing pieces D340, so that the subsequent conveying and stacking are facilitated.
In order to reduce the void space of the packing bag D400 as much as possible, a vibrator D330 may be installed outside the holding-down piece D340. During the process that the packing bag D400 is pressed and scraped by the pressing and holding piece D340, the vibrator D330 vibrates, and the vibration can be transmitted to the material in the packing bag D400 through the pressing and holding piece D340, so as to destroy the cavity formed by the material "bridging".
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An apparatus for bagging waste plastic particles, comprising: the device comprises a spiral feeder, a storage tank, a material metering device and a packaging bag shaping device; the material storage tank is vertically arranged and is provided with an upper tank opening and a lower tank opening; the spiral feeder is obliquely arranged, and the output end of the spiral feeder is connected with the upper tank opening of the storage tank; the material metering device is used for receiving the lower tank opening of the storage tank, quantitatively weighing materials and bagging; wrapping bag shaping device is used for carrying out the plastic to the wrapping bag of bagging-off in-process, and it includes: the lifting assembly comprises a lifting plate, telescopic rods and a lifting cylinder, the two telescopic rods are vertically placed, and the bottom ends of the two telescopic rods are fixed; the lifting plate is horizontally arranged, and the bottom surface of the lifting plate is fixed at the free ends of the two telescopic rods; the lifting cylinder is vertically arranged, the cylinder body of the lifting cylinder is fixed, and the piston rod of the lifting cylinder is connected with the lifting plate; the two pressing components are oppositely arranged; the pressing and holding assembly comprises a pressing and holding sheet, guide rails and a pressing and holding cylinder, and the two guide rails are arranged in the middle of the rack in a sliding and parallel mode; the pressing and holding piece is vertically arranged, and two opposite sides of the pressing and holding piece are respectively arranged on the two guide rails in a sliding manner; the pressing cylinder is connected with the pressing sheet in a driving mode along the direction of the guide rail.
2. The apparatus as claimed in claim 1, wherein two sliding seats are respectively installed at two corners of the bottom end of the pressing piece, and the sliding seats are slidably installed on the guide rail.
3. The bag reforming device as defined in claim 2, wherein said slider has an inverted "T" shaped slide key, said guide rail has an inverted "T" shaped slide slot, and said slide key is slidably disposed in said slide slot.
4. The waste plastic particle bagging apparatus according to claim 1, wherein the screw feeder comprises:
a casing having a cylindrical structure with an inlet and an outlet;
the propelling assembly comprises a propelling rotating shaft, blades and a propelling motor, and the propelling rotating shaft is coaxially arranged in the shell; the blades are spiral, the inner edges of the blades are fixed on the propelling rotating shaft, the outer edges of the blades are close to the inner wall of the shell, and a spiral channel is formed between the blades and the shell; the propelling motor is in driving connection with the propelling rotating shaft;
the negative pressure assembly comprises a flow guide shell, a filter screen and a fan; a material channel and a negative pressure channel are formed in the diversion shell, the material channel is in an inverted L shape, one end of the material channel is horizontally butted with the outlet of the machine shell, and the other end of the material channel is vertically placed downwards; one end of the negative pressure channel is communicated with the inverted L-shaped inflection point of the material channel, and the other end of the negative pressure channel is connected with a fan; the filter screen is arranged at the junction of the negative pressure channel and the material channel.
5. The screw feeder of claim 4, wherein the screen is curved in a circular arc.
6. The spiral feeder of claim 5, wherein a scraping component is added at an L-shaped inflection point of the material channel; the scraping component comprises a scraping rotating shaft, a scraping rod and a scraping motor, and the scraping rotating shaft and the arc curved surface of the filter screen are coaxially arranged; the scraping rods are T-shaped, the bottom ends of the vertical rods of the scraping rods are fixed on the scraping rotating shaft, the cross rods of the scraping rods are close to the arc curved surface of the filter screen, and the scraping rods are uniformly fixed on the scraping rotating shaft; the scraping motor is in driving connection with the scraping rotating shaft.
7. Waste plastic particle bagging apparatus according to claim 1, wherein said material metering device comprises:
the rotary table is a round cake which is horizontally placed, and is provided with a plurality of feed inlets which are uniformly distributed along the circumferential direction;
the first motor is in driving connection with the center of the rotary table;
the measuring cylinder is of a cylindrical structure with openings at two ends, and the upper ends of the plurality of measuring cylinders are respectively fixed at the plurality of feeding holes;
and the upper plate surface of the discharge plate is abutted against the lower end surface of the measuring cylinder, and a discharge hole is formed in the circumferential track of the movement of the measuring cylinder.
8. The material metering device of claim 7, wherein an annular groove is formed in the upper edge of the feeding port, an annular protrusion extends out of the upper end of the measuring cylinder in the horizontal direction, and the protrusion is embedded in the groove.
9. The material metering device of claim 8, further comprising a buffer box, wherein the buffer box is a vertical cylindrical structure with an open top end and a closed bottom end, the bottom end of the buffer box is close to the upper surface of the turntable, and the bottom end of the buffer box is provided with a matching port; the matching port is arranged on the circular motion track of the feeding port.
10. The material metering device of claim 9, wherein a rotating shaft, a second motor and a blade are further arranged in the buffer box; the rotating shaft is coaxially arranged in the cache box; the second motor is in driving connection with the rotating shaft; the blades are rectangular, one side of each blade is fixed to the rotating shaft, the outer edge of each blade is close to the bottom and the side wall of the cache box, and at least two blades are uniformly arranged in the cache box.
CN201910930290.2A 2019-09-29 2019-09-29 Waste plastic particle bagging equipment Pending CN110745262A (en)

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CN110745262A true CN110745262A (en) 2020-02-04

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CN208181455U (en) * 2018-05-22 2018-12-04 常州雁衡智能科技有限公司 Negative electrode material ton packaging claims
CN208248528U (en) * 2018-05-22 2018-12-18 常州雁衡智能科技有限公司 Bag bottom jolting device for fully-automatic packaging bag product line

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6089283A (en) * 1997-12-19 2000-07-18 Renold, Inc. Method of filling containers
CN201086855Y (en) * 2007-07-31 2008-07-16 上海嘉迪机械有限公司 Packaging machine filling system with metering device
CN201520412U (en) * 2009-09-18 2010-07-07 安徽正远包装科技有限公司 Vibration leveling mechanism of packaging machine
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