CN113561355A - Modified PBAT granulation device and preparation method of foaming material thereof - Google Patents

Modified PBAT granulation device and preparation method of foaming material thereof Download PDF

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Publication number
CN113561355A
CN113561355A CN202110873877.1A CN202110873877A CN113561355A CN 113561355 A CN113561355 A CN 113561355A CN 202110873877 A CN202110873877 A CN 202110873877A CN 113561355 A CN113561355 A CN 113561355A
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CN
China
Prior art keywords
raw materials
driving
pbat
cooling plate
long
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Granted
Application number
CN202110873877.1A
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Chinese (zh)
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CN113561355B (en
Inventor
刘燕
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.)
Jiangsu Bairuier Packaging Materials Co ltd
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Jiangsu Bairuier Packaging Materials Co ltd
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Application filed by Jiangsu Bairuier Packaging Materials Co ltd filed Critical Jiangsu Bairuier Packaging Materials Co ltd
Priority to CN202210285173.7A priority Critical patent/CN114633394A/en
Priority to CN202110873877.1A priority patent/CN113561355B/en
Publication of CN113561355A publication Critical patent/CN113561355A/en
Application granted granted Critical
Publication of CN113561355B publication Critical patent/CN113561355B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/088—Means for treating work or cutting member to facilitate cutting by cleaning or lubricating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/10—Means for treating work or cutting member to facilitate cutting by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/355—Conveyors for extruded articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material

Abstract

The invention provides a modified PBAT granulation device and a preparation method of a foaming material thereof, relating to the technical field of granulation machinery and comprising a cooling plate rail; a sieve plate is arranged at the bottom of the right end of the cooling plate rail; the side support is provided with a drying device, the right end of the side support is provided with a grain cutting device, and the outer side of the side support is provided with a reciprocating device; the invention improves the mobility of the long-strip raw materials, avoids the long-strip raw materials from being accumulated in the cooling plate rail to influence the conveying trafficability of the long-strip raw materials, improves the smoothness and the dicing efficiency of dicing the long-strip raw materials by the dicing device, avoids the raw materials from being adhered to the front end surface of the blade or the guide seat during dicing by the drying device, can dry the diced raw materials, improves the dryness of the stored diced materials, can perform batch standard screening on the prepared raw material particles by matching the reciprocating device with the sieve plate, and avoids the problem of sieve plate blockage caused by excessive accumulation of the prepared raw materials on the sieve plate by improving the screening speed.

Description

Modified PBAT granulation device and preparation method of foaming material thereof
Technical Field
The invention belongs to the technical field of granulation machinery, and particularly relates to a modified PBAT granulation device and a preparation method of a foaming material thereof.
Background
A granulator is a forming machine used for manufacturing materials into specific particle shapes; a granulator on the market generally comprises a granulator, an extruder, a cooling mechanism and a packing mechanism which are connected in sequence; the processed particles are extruded from the output end of the extruder and then enter a cooling mechanism through a conveying belt for cooling; then conveyed to a packing mechanism for collection and packing.
The existing similar modified PBAT granulating device and the preparation method of the foaming material thereof are used, the mobility of a long strip-shaped raw material produced by an extruder is not high, the long strip-shaped raw material is accumulated in a cooling plate rail to easily influence the conveying passing property of the long strip-shaped raw material, the smoothness and the granulating efficiency of the long strip-shaped raw material during granulating are not good, the raw material is easily adhered to the front end surface of a blade or a guide seat during granulating, the granulated raw material is wet, the dryness for storing the granulated material is influenced, the prepared raw material particles cannot be subjected to batch standard screening, the screening speed is not high, and the problem that the sieve plate is easily blocked due to excessive accumulation of the prepared raw material on the sieve plate is solved.
Disclosure of Invention
In order to solve the technical problems, the invention provides a modified PBAT granulating device and a preparation method of a foaming material thereof, which aim to solve the problems that the mobility of a strip-shaped raw material produced by an extruder is not high, the accumulation of the strip-shaped raw material in a cooling plate rail easily affects the conveying passing property of the strip-shaped raw material, the smoothness and the granulating efficiency of the strip-shaped raw material during granulating are not good, the raw material is easily adhered to the front end surface of a blade or a guide seat during granulating, the granulated raw material is wet, the storage dryness of the granulated material is affected, the prepared raw material particles cannot be subjected to batch standard screening, the screening speed is not high, and the prepared raw material is excessively accumulated on a sieve plate to easily cause the blockage of the sieve plate.
The purpose and the effect of the modified PBAT granulating device and the preparation method of the foaming material thereof are achieved by the following specific technical means:
a modified PBAT granulation device and a preparation method of foaming material thereof comprise a cooling plate rail;
the middle of the cooling plate rail is provided with a groove and is internally provided with cooling water, the left end of the cooling plate rail is provided with a guide roller, the right end of the cooling plate rail is provided with a direction driving roller assembly, the right end of the direction driving roller assembly is fixedly provided with a guide seat, the guide seat is provided with a guide hole, the right end of the cooling plate rail is provided with a side bracket, the bottom end of the side bracket is provided with a sieve plate, and the left end of the cooling plate rail is provided with an extruder;
the drying device is arranged on the side support, the grain cutting device is arranged at the right end of the side support, the reciprocating device is arranged at the outer side of the side support, the collecting bin is arranged at the bottom end of the side support, and the collecting water tank is arranged at the bottom end of the collecting bin;
the top end of the extruder is provided with a feeding port, the bottom end inside the feeding port is provided with two crushing shafts in a driving mode, the interior of the extruder is correspondingly provided with a heating plate, and the left end of the extruder is provided with an extruding shaft body;
also includes a shape control assembly;
the shape control assembly changes the shape of the extruded raw material strip into a gourd shape by regularly changing the aperture size of the hole on the extrusion shaft body;
the shape control assembly comprises a central gear and a squeezing unit;
the central gear is positioned on the extrusion shaft body and is used for driving the extrusion unit to run;
the number of the extrusion units is the same as that of the extrusion holes on the extrusion shaft body, and the extrusion units are all in contact with the central gear;
the extrusion unit comprises a rotating gear ring, a sliding rod driving bulge, a sliding rod positioning component, a force application spring and a rod head arc-shaped plate;
the rotating gear ring is driven by the central gear and is rotatably and fixedly connected to the extrusion shaft body, sliding rod driving bulges are positioned on the rotating gear ring, are positioned on the inner wall of the rotating gear ring and are arc-shaped bulges, and the number of the sliding rod driving bulges is multiple and is used for driving the sliding of the sliding rod to further extrude the raw material strips;
the number of the sliding rods is multiple; the sliding rod positioning assembly is used for positioning the sliding rod on the extrusion shaft body in a sliding manner to play a guiding role;
the slide rod positioning assembly comprises a force application spring, and the force application spring is positioned on the slide rod and used for endowing the slide rod with the tendency of sliding towards the slide rod driving protrusion.
Further, the heating device comprises:
the heater is arranged at the outer end of the side bracket;
the heating shaft sleeve is rotatably installed on the heat conduction shaft body and is connected to the heater through a circuit.
Preferably, the device also comprises a knife cleaning component;
the cutter cleaning assembly comprises a rolling cylindrical wheel, a wheel bracket and a refrigerating assembly;
the rolling cylindrical wheel is rotatably and fixedly connected to the guide seat through the wheel bracket;
scraping the PBAT adhered to the blade when the blade rotates;
a plurality of wheel body cutting bulges are positioned on the rolling cylindrical wheel, are annular and made of plastics with the melting point higher than PBAT to centigrade and are sleeved on the rolling cylindrical wheel at equal intervals;
the wheel body cutting bulge is used for cutting the PBAT adhered to the blade into small strips;
the refrigeration component is used for reducing the temperature of the rolling cylindrical wheel so as to cool the PBAT adhered to the blade to solidify the PBAT and further separate from the blade when the rolling cylindrical wheel is in contact with the blade.
Preferably, the device also comprises a knife cleaning component;
the rolling cylindrical wheel comprises an internal column, an external pipe, a first nylon cloth and a second nylon cloth;
the built-in column is positioned on the wheel bracket, and the external pipe is sleeved on the built-in column;
a first nylon cloth and a second nylon cloth are positioned between the internal column and the external tube;
static electricity is generated by friction of the first nylon cloth and the second nylon cloth, and the PBAT cut into small strips is attracted to the rolling cylindrical wheel;
the knife cleaning assembly also comprises a dust suction device;
the dust suction device is positioned on the wheel bracket and is used for sucking away the stripped PBAT cut into small strips.
Furthermore, the left end and the right end of the inner wall of the side support are respectively provided with a long chute, the surface of the sieve plate is provided with sieve pores in an array manner, and the left end and the right end of the sieve plate are respectively slidably mounted on the long chutes at the left end and the right end of the inner wall of the side support.
Further, the grain cutting device comprises:
the driving motor is fixedly arranged at the outer end of the side bracket;
the heat insulation shaft body is arranged at the top end of a transmission shaft of the driving motor in a driving mode, and the front end of the heat insulation shaft body is a heat conduction shaft body;
the blade is arranged at the front end of the heat conducting shaft body, and the outer surface of the blade is arranged on the outer surface of the guide seat;
and the heating device is rotatably arranged on the heat conduction shaft body.
Further, the reciprocating device comprises:
the mounting frame is fixedly arranged at the outer end of the side support, and a reciprocating motor is fixedly arranged at the bottom end of the mounting frame;
the right end of the rotating disc is arranged at the right end of the reciprocating motor in a driving mode, and a rotating rod is arranged on the surface of the left end of the rotating disc, which is far away from the circle center;
the right-hand member of connecting rod rotates to be installed on the bull stick that the centre of a circle department was kept away from on the surface of carousel left end, and the left end of connecting rod rotates to be installed in the outer end center department of sieve.
Further, the drying device comprises:
the air inlet fan is fixedly arranged at the top end of the left side of the side bracket;
the connecting air pipe is communicated and arranged at the left end of the air inlet fan;
and the installation air box is hollow inside and the upper end of the installation air box is connected to the bottom end of the connecting air pipe, the installation air box is fixedly installed at the top end of the side support, and the installation air box is arranged right above the front end face of the guide seat.
Furthermore, the left end and the right end of the inside of the side support are respectively arranged in an array mode and fixedly provided with a plurality of auxiliary vibration blocks, the left end and the right end of the top surface of the sieve plate are respectively arranged in an array mode and fixedly provided with a plurality of main vibration blocks, the outer ends of the main vibration blocks are attached to the inner wall of the side support, and the main vibration blocks are arranged between the two adjacent auxiliary vibration blocks.
Further, the drive roller assembly comprises:
the two driving roll shafts are arranged vertically and are respectively and rotatably arranged on the rotating lug plates at the two ends of the cooling plate rail;
the two gears are respectively fixedly arranged at the left end of the driving roll shaft and are in meshed transmission connection;
and the driving motor is fixedly arranged at the left end of the cooling plate rail, and a transmission shaft of the driving motor is arranged outside the gear at the lower end in a driving manner.
Further, the right side bottom of collection water tank is equipped with a outlet pipe, and the top left and right sides of collection water tank has respectively seted up an installation spout, and the bottom left and right sides of collecting the storehouse respectively fixed mounting have a long slider, and the installation spout of collecting the water tank top left and right sides is slidable mounting respectively on the long slider of collecting the storehouse bottom left and right sides, and the bottom of collecting the storehouse is a waterlogging caused by excessive rainfall board.
Further, the granulation preparation method of the modified PBAT foaming material comprises the following steps:
the raw materials are put into a feeding port at the top end of an extruder, the raw materials are crushed by a crushing shaft, melted by the extruder and extruded into a strip shape by an extrusion shaft body;
the long-strip-shaped raw material is placed at the bottom end of the guide roller at the left end of the cooling plate rail, and is cooled by cooling water passing through the middle groove of the cooling plate rail;
the long-strip-shaped raw material is arranged between two driving roll shafts at the right end of the cooling plate rail, passes through the guide hole on the guide seat and is driven and guided by the driving roll assembly;
the granulating device carries out granulating operation on the strip raw material which passes through the outer end face of the guide hole on the guide seat;
drying device blows the operation through the installation bellows to the raw materials after the terminal surface cuts grain before the guide holder, and the surface moisture of the raw materials after will cutting grain weathers, and the raw materials after will cutting grain simultaneously to the sieve on, the sieve passes through reciprocating device and the cooperation of main vibrating block, carries out batch standard screening to the raw materials after cutting grain, and the raw materials particle after the screening falls to in the collecting bin, and the moisture on raw materials particle surface passes through the waterlogging caused by excessive rainfall board and falls to in the collecting bin.
Compared with the prior art, the invention has the following beneficial effects:
1. drive the setting to the roller subassembly, be favorable to long banding raw materials to arrange two drives of cold plate rail right-hand member in to between the roller, and long banding raw materials passes the guiding hole on the guide holder, drive the gear revolve to the motor drive bottom, through two gear engagement transmission connection effects, make two places gears drive two places of its end department and drive and carry out the antiport to the roller, thereby drive two to having the effect of pulling right between the roller to long banding raw materials, improve the mobility of the long banding raw materials of this device, avoid long banding raw materials to pile up in the cold plate rail, and influence the trafficability characteristic of long banding raw materials, the work efficiency of this device has been improved simultaneously.
2. Cut grain device's setting, the heat conduction axis body that is favorable to driving motor drive thermal-insulated axis body front end drives the blade and carries out the granule operation of rotation type to the rectangular form raw materials that passes the guiding hole on the guide holder, and the heating shaft sleeve rotates and installs on the heat conduction axis body, and the heater heats the blade through the heating shaft sleeve, is favorable to improving the blade and carries out the ride comfort of cutting a grain to rectangular form raw materials, has further improved the eager grain efficiency of this device.
3. Drying device's setting, be favorable to the air inlet fan to blow the operation through the installation bellows to terminal surface before the guide holder through the connection tuber pipe, the rectangular form raw materials of blade to passing guide hole on the guide holder on having avoided cutting grain device goes up the rotation type and cuts a grain operation, raw materials adhesion after cutting a grain is on the preceding terminal surface of blade or guide holder, be favorable to improving the trafficability characteristic of the raw materials after cutting a grain, and can carry out drying process to the raw materials after cutting a grain, the waterlogging caused by excessive rainfall board of storehouse bottom is collected in the cooperation simultaneously, be favorable to improving the degree of dryness that the raw materials after this device cuts a grain were deposited, the installation spout of collection water tank top left and right sides is slidable mounting respectively on the long slider of collecting the storehouse bottom left and right sides, make collection water tank convenient to install and dismantle.
4. The setting of sieve cooperation reciprocating device, be favorable to the left and right sides end difference slidable mounting of sieve to the long spout of side bearer inner wall left and right ends, reciprocating motor drives the rolling disc and rotates, the left end surface through the rolling disc is kept away from centre of a circle department and is rotated the connecting rod of connecting and drive the sieve and carry out reciprocating sliding, the main vibrating mass of sieve top surface collides with the piece that shakes from the side bearer inner wall, thereby make the sieve carry out the face vibration when carrying out reciprocating sliding, make this device be favorable to carrying out batch standard screening to the raw materials grain after the preparation through the sieve, through the speed that has improved the screening, and avoided the raw materials after the preparation too much to pile up on the sieve and cause the problem that the sieve blockked up.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Figure 2 is a schematic view of the construction of the drive roller assembly of the present invention.
Fig. 3 is a schematic view of an end face mounting structure of the guide shoe in the present invention.
FIG. 4 is a schematic view of the structure of the pelletizing apparatus of the present invention.
Fig. 5 is a schematic structural view of the drying apparatus of the present invention.
Fig. 6 is a schematic view showing the construction of the reciprocating device in the present invention.
Fig. 7 is a schematic view of the structure of a screen plate in the present invention.
FIG. 8 is a schematic view of a half-section installation structure of the collecting chamber of the present invention
FIG. 9 is a schematic structural view of the shape control assembly of the present invention;
FIG. 10 is a schematic view of the construction of the knife cleaning assembly of the present invention;
FIG. 11 is a schematic view of the rolling cylinder wheel of the present invention;
FIG. 12 is a cross-sectional view of a blade of the present invention;
FIG. 13 is a schematic view of a cutting protrusion of the wheel body according to the present invention;
FIG. 14 is a schematic view of the structure of the feedstock strip of the present invention;
in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. cooling the plate rail;
101. a guide roller; 102. a drive roller assembly; 1021. a drive roller shaft; 1022. a gear; 1023. a drive direction motor; 1024. rotating the ear plate; 103. a guide seat; 1031. a guide hole; 104. a side bracket; 1041. a long chute; 1042. a secondary vibrating block; 105. a sieve plate; 1051. a main vibrating block;
2. an extruder;
201. a feeding port; 2011. a crushing shaft; 202. extruding a shaft body;
3. a drying device;
301. an air inlet fan; 302. connecting an air pipe; 303. installing an air box;
4. a granulating device;
401. a drive motor; 402. a heat insulation shaft body; 403. a heat-conducting shaft body; 404. a blade; 405. a heating device; 4051. a heater; 4052. heating the shaft sleeve;
5. a reciprocating device;
501. a mounting frame; 502. a reciprocating motor; 503. rotating the disc; 504. a connecting rod;
6. a collection bin;
601. a draining board; 602. a long slider;
7. a water collection tank;
701. a water outlet pipe; 702. installing a chute;
8. a shape control assembly;
801. a sun gear; 802. a pressing unit; 803. rotating the gear ring; 804. a slide bar; 805. the sliding rod drives the projection; 806. a slide bar positioning assembly; 807. a force application spring; 808. a club head arc plate; 809. raw material strip
9. A cutter cleaning component;
901. a rolling cylindrical wheel; 902. a wheel support; 903. cutting a bulge on the wheel body; 904. a built-in column; 905. an external pipe; 906. a first nylon cloth; 907. a second nylon cloth; 908. a dust collection device; 909. a refrigeration assembly;
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 14:
the invention provides a modified PBAT granulation device and a preparation method of a foaming material thereof, comprising a cooling plate rail 1;
a groove is arranged in the middle of the cooling plate rail 1 and is internally provided with cooling water, the left end of the cooling plate rail 1 is provided with a guide roller 101, the right end of the cooling plate rail 1 is provided with a driving roller assembly 102, the right end of the driving roller assembly 102 is fixedly provided with a guide seat 103, the guide seat 103 is provided with a guide hole 1031, the right end of the cooling plate rail 1 is provided with a side bracket 104, the bottom end of the side bracket 104 is provided with a sieve plate 105, and the left end of the cooling plate rail 1 is provided with an extruder 2;
the side support 104 is provided with a drying device 3, the right end of the side support 104 is provided with a grain cutting device 4, the outer side of the side support 104 is provided with a reciprocating device 5, the bottom end of the side support 104 is provided with a collecting bin 6, and the bottom end of the collecting bin 6 is provided with a collecting water tank 7;
the top of extruder 2 is a pan feeding mouth 201, and two crushing axles 2011 are installed in the inside bottom drive of pan feeding mouth 201, and extruder 2 internally mounted has the hot plate correspondingly, and the left end of extruder 2 is for extruding axis body 202.
As shown in fig. 2, the drive roller assembly 102 includes:
the driving roll shafts 1021 are arranged at two positions, the two driving roll shafts 1021 are arranged vertically, and the two driving roll shafts 1021 are respectively rotatably arranged on the rotating lug plates 1024 at the two ends of the cooling plate rail 1;
the gears 1022 and the gears 1022 are arranged at two positions, the two gears 1022 are respectively and fixedly arranged at the left end of the driving roll shaft 1021, and the two gears 1022 are in meshing transmission connection;
a driving motor 1023, wherein the driving motor 1023 is fixedly arranged at the left end of the cooling plate rail 1, and a transmission shaft of the driving motor 1023 is arranged outside a gear 1022 at the lower end in a driving manner; concrete action, long banding raw materials are arranged in two drives of 1 right-hand member of cooling plate rail to between roll shaft 1021, and long banding raw materials pass guiding hole 1031 on the guide holder 103, drive to the gear 1022 rotation that motor 1023 drove the bottom, through the meshing transmission connection effect of two gears 1022, make two gears 1022 drive two of its end department and drive and carry out the antiport to roll shaft 1021, thereby to two drive to the effect that long banding raw materials have the pulling right between the roll shaft 1021, improve the mobility of long banding raw materials of this device, avoid long banding raw materials to pile up in cooling plate rail 1, and influence the trafficability characteristic of long banding raw materials, the work efficiency of this device has been improved simultaneously.
As shown in fig. 4, the dicing apparatus 4 includes:
the driving motor 401 is fixedly arranged at the outer end of the side bracket 104;
the heat insulation shaft body 402 is arranged at the top end of a transmission shaft of the driving motor 401 in a driving mode, and the front end of the heat insulation shaft body 402 is a heat conduction shaft body 403;
the blade 404 is installed at the front end of the heat conducting shaft body 403, and the outer surface of the blade 404 is placed at the outer surface of the guide seat 103;
and a heating device 405, wherein the heating device 405 is rotatably mounted on the heat-conducting shaft body 403.
Wherein, heating device 405 includes:
a heater 4051, the heater 4051 being mounted at an outer end of the side bracket 104;
a heating shaft sleeve 4052, wherein the heating shaft sleeve 4052 is rotatably mounted on the heat-conducting shaft body 403, and the heating shaft sleeve 4052 is connected to the heater 4051 through a line; the concrete effect, the heat conduction axis body 403 of the thermal-insulated axis body 402 front end of driving motor 401 drive blade 404 and carry out the granule cutting operation of rotation to the rectangular form raw materials that passes guiding hole 1031 on the guide holder 103, heating shaft sleeve 4052 rotates and installs on heat conduction axis body 403, heater 4051 heats blade 404 through heating shaft sleeve 4052, be favorable to improving the smoothness that blade 404 cut the grain to rectangular form raw materials, further improved the eager grain efficiency of this device.
As shown in fig. 5, the drying device 3 includes:
the air supply fan 301 is fixedly arranged at the top end of the left side of the side bracket 104;
the connecting air pipe 302 is communicated and arranged at the left end of the air inlet fan 301;
the installation air box 303 is hollow inside the installation air box 303, the upper end of the installation air box 303 is connected to the bottom end of the connecting air pipe 302, the installation air box 303 is fixedly installed at the top end of the side support 104, and the installation air box 303 is arranged right above the front end face of the guide base 103.
The bottom end of the right side of the collecting water tank 7 is provided with a water outlet pipe 701, the left side and the right side of the top end of the collecting water tank 7 are respectively provided with a mounting chute 702, the left side and the right side of the bottom end of the collecting bin 6 are respectively and fixedly provided with a long slider 602, the mounting chutes 702 on the left side and the right side of the top end of the collecting water tank 7 are respectively and slidably mounted on the long sliders 602 on the left side and the right side of the bottom end of the collecting bin 6, and the bottom end of the collecting bin 6 is provided with a draining plate 601; the concrete effect, fan 301 is through connecting tuber pipe 302 and blowing the operation through installation bellows 303 to the terminal surface before the guide holder 103, it carries out the rotation type to the rectangular form raw materials that passes guide hole 1031 on the guide holder 103 and cuts the grain operation to have avoided cutting grain device 4 to go up blade 404, the raw materials after cutting the grain is adhered to on the preceding terminal surface of blade 404 or guide holder 103, be favorable to improving the trafficability characteristic of the raw materials after cutting the grain, and can carry out drying process to the raw materials after cutting the grain, simultaneously the waterlogging caused by excessive rainfall board 601 of 6 bottoms in storehouse is collected in the cooperation, be favorable to improving the degree of dryness that the raw materials after this device cuts the grain were deposited, the installation spout 702 of collecting the 7 top left and right sides of water tank respectively slidable mounting on the long slider 602 of collecting the 6 bottom left and right sides in storehouse, make collection water tank 7 convenient to install and dismantle.
The left end and the right end of the inner wall of the side support 104 are respectively provided with a long chute 1041, the surface of the sieve plate 105 is provided with sieve holes in an array manner, and the left end and the right end of the sieve plate 105 are respectively slidably mounted on the long chutes 1041 at the left end and the right end of the inner wall of the side support 104.
As shown in fig. 6, the reciprocation device 5 includes:
the mounting frame 501 is fixedly arranged at the outer end of the side support 104, and a reciprocating motor 502 is fixedly arranged at the bottom end of the mounting frame 501;
the right end of the rotating disc 503 is installed at the right end of the reciprocating motor 502 in a driving mode, and a rotating rod is arranged on the left end surface of the rotating disc 503, far away from the circle center;
a connecting rod 504, the right end of the connecting rod 504 is rotatably mounted on the rotating rod of the left end surface of the rotating disc 503 far away from the center of the circle, and the left end of the connecting rod 504 is rotatably mounted at the center of the outer end of the sieve plate 105.
The left end and the right end of the inside of the side bracket 104 are respectively fixedly provided with a plurality of slave vibration blocks 1042 in an array arrangement, the left end and the right end of the top surface of the sieve plate 105 are respectively fixedly provided with a plurality of main vibration blocks 1051 in an array arrangement, the outer ends of the main vibration blocks 1051 are attached to the inner wall of the side bracket 104, and the main vibration blocks 1051 are arranged between the two adjacent slave vibration blocks 1042; the concrete effect, the left and right ends of sieve 105 are slidable mounting respectively on the long spout 1041 of the left and right ends of side support 104 inner wall, reciprocating motor 502 drives rolling disc 503 and rotates, connecting rod 504 of rotating connection is kept away from centre of a circle department through the left end surface of rolling disc 503 drives sieve 105 and reciprocates, sieve 105 top surface master vibrating block 1051 collides with the follow vibrating block 1042 of side support 104 inner wall, thereby make sieve 105 carry out the face vibration when reciprocating sliding, make this device be favorable to carrying out batch standard screening to the raw materials grain after the preparation through sieve 105, through having improved the speed of screening, and avoided the raw materials after the preparation too much pile up on sieve 105 and cause the problem that sieve 105 blockked up.
The granulation preparation method of the modified PBAT foaming material comprises the following steps:
1) the raw materials are put into a feeding port 201 at the top end of an extruder 2, the raw materials are crushed by a crushing shaft 2011, and the raw materials are melted by the extruder 2 and then extruded into a long strip shape by an extrusion shaft body 202;
2) the long-strip-shaped raw material is placed at the bottom end of the guide roller 101 at the left end of the cooling plate rail 1, and the long-strip-shaped raw material is cooled by cooling water passing through the middle groove of the cooling plate rail 1;
3) the long-strip raw material is arranged between two driving roller shafts 1021 at the right end of the cooling plate rail 1, passes through the guide holes 1031 on the guide seat 103, and is driven and guided by the driving roller assembly 102;
4) the cutting device cuts the strip raw material passing through the outer end face of the guide hole 1031 on the guide seat 103;
5) drying device blows the operation through the raw materials of installation bellows 303 after the terminal surface is cut grain before the guide holder 103, the surface moisture of the raw materials after will cutting grain weathers, simultaneously with raw materials to sieve 105 after cutting grain on, sieve 105 passes through reciprocating device 5 and main vibrating piece 1051's cooperation, carry out batch standard screening to the raw materials after cutting grain, the raw material particle after the screening falls in collecting bin 6, and the moisture on raw material particle surface falls to in collecting bin 7 through waterlogging caused by excessive rainfall board 601.
In another embodiment, the outer surface of the driving roll shaft 1021 can be sleeved with a rubber sleeve, so that the passing performance of the long strip-shaped raw materials on the driving roll shaft 1021 is improved.
The specific use mode and function of the embodiment are as follows:
when the device is used, a long-strip-shaped raw material is placed between two driving roller shafts 1021 at the right end of a cooling plate rail 1, the long-strip-shaped raw material passes through a guide hole 1031 on a guide seat 103, a driving motor 1023 drives a gear 1022 at the bottom end to rotate, and the two gears 1022 drive the two driving roller shafts 1021 at the ends to reversely rotate under the meshing transmission connection action of the two gears 1022, so that the long-strip-shaped raw material between the two driving roller shafts 1021 has the action of pulling the long-strip-shaped raw material to the right, the mobility of the long-strip-shaped raw material of the device is improved, the long-strip-shaped raw material is prevented from being accumulated in the cooling plate rail 1 to influence the trafficability of the long-strip-shaped raw material, the working efficiency of the device is improved, a driving motor 401 drives a heat conduction shaft body 403 at the front end of a heat insulation shaft body 402 to drive a blade 404 to carry out rotary type grain cutting operation on the long-strip-shaped raw material passing through the guide hole 1031 on the guide seat 103, a heating shaft sleeve 4052 is rotatably installed on the heat conduction shaft body 403, the heater 4051 heats the blade 404 through the heating shaft sleeve 4052, which is favorable for improving the smoothness of the blade 404 for granulating the long strip raw material, and further improves the granulating efficiency of the device, the air inlet fan 301 performs the blowing operation on the front end surface of the guide seat 103 through the connecting air pipe 302 by installing the air box 303, thereby avoiding the blade 404 on the granulating device 4 from performing the rotary granulating operation on the long strip raw material passing through the guide hole 1031 on the guide seat 103, the granulated raw material is adhered to the blade 404 or the front end surface of the guide seat 103, being favorable for improving the trafficability of the granulated raw material, and drying the granulated raw material, and being matched with the draining plate 601 at the bottom end of the collecting bin 6, being favorable for improving the dryness of the granulated raw material of the device, the installing chutes 702 at the left side and the right side of the top end of the collecting water tank 7 are respectively installed on the long sliding blocks 602 at the left side and the right side of the bottom end of the collecting bin 6 in a sliding manner, make collection water tank 7 be convenient for the installation and dismantle, the left and right ends of sieve 105 are slidable mounting respectively on the long spout 1041 of the left and right ends of side branch frame 104 inner wall, reciprocating motor 502 drives rolling disc 503 and rotates, connecting rod 504 through the left end surface of rolling disc 503 is kept away from centre of a circle department and is rotated the connection drives sieve 105 and carry out the reciprocating sliding, sieve 105 top surface main vibrating block 1051 collides with the piece 1042 that shakes from the side branch frame 104 inner wall, thereby make sieve 105 carry out the face vibration when carrying out the reciprocating sliding, make this device be favorable to carrying out batch standard screening to the raw materials grain after the preparation through sieve 105, through having improved the speed of screening, and avoided the raw materials after the preparation too much to pile up on sieve 105 and cause the problem that sieve 105 blockked up.
In order to improve the granulating efficiency, reduce the cutter wear and control the particle size, preferably, the granulating apparatus of the present application further comprises a shape control assembly 8, as shown in fig. 9 and 14, said shape control assembly 8 changes the shape of the extruded raw material strip 809 into a consecutive gourd shape as shown in fig. 14 by regularly changing the aperture size of the holes on said extrusion shaft 202; further, the shape control assembly 8 includes a central gear 801 and a pressing unit 803; the central gear 801 is positioned on the extrusion shaft body 202 and is used for driving the extrusion unit 803 to operate; the number of the extrusion units 803 is the same as the number of the extrusion holes on the extrusion shaft body 202, and the extrusion units are all in contact with the central gear 801; the pressing unit 803 comprises a rotating gear ring 803, a sliding rod 804, a sliding rod driving boss 805, a sliding rod positioning component 806, a force application spring 807 and a rod head arc plate 808; the rotating gear ring 803 is driven by the central gear 801 to be rotatably and fixedly connected to the extrusion shaft body 202, sliding rod driving protrusions 805 are positioned on the rotating gear ring 803, and the sliding rod driving protrusions 805 are positioned on the inner wall of the rotating gear ring 803, are arc-shaped protrusions and are in a plurality of numbers, and are used for driving the sliding rod 804 to slide so as to extrude the raw material strips 809; the number of the sliding rods 804 is multiple; the sliding rod positioning assembly 806 positions the sliding rod 804 on the extrusion shaft body 202 in a sliding manner, so as to play a guiding role; the slide bar positioning assembly 806 includes a force spring 807 positioned on the slide bar 804 for imparting a tendency for the slide bar 804 to slide toward the slide bar drive boss 805. The cross section of the blade 404 is shown in fig. 12, the blade part is of an arc-shaped structure, and the raw material strip 809 is broken in the rotating process, so that the raw material strip is suitable for high-speed operation of equipment, and the phenomenon of adhesion is avoided.
Preferably, a club head arc-shaped plate 808 is positioned at one end of the sliding rod 804 far away from the sliding rod driving protrusion 805, and the club head arc-shaped plate 808 is arc-shaped and is used for increasing the contact area between the sliding rod 804 and the raw material strip 809.
Considering that when the blade 404 is used for cutting off the raw material strip 809, the blade 404 generates heat due to friction when running for a long time, so that the molten PBAT is adhered on the blade, and normal granulation is influenced; as shown in fig. 10 to 13, the present application preferably further comprises a knife cleaning assembly 9; the knife cleaning assembly 9 comprises a rolling cylindrical wheel 901, a wheel bracket 902 and a refrigerating assembly 909; the rolling cylindrical wheel 901 is rotatably and fixedly connected to the guide seat 103 through the wheel bracket 902; scraping off the PBAT adhered to the blade 404 when the blade rotates; wheel body cutting bulges 903 are positioned on the rolling cylindrical wheel 901, the wheel body cutting bulges 903 are annular, the number of the wheel body cutting bulges is multiple, the material is plastic with the melting point higher than PBAT 5-10 ℃, the wheel body cutting bulges are sleeved on the rolling cylindrical wheel 901 and are arranged at equal intervals, and the interval between the wheel body cutting bulges 903 is preferably 1-3 mm; the wheel body cutting protrusion 903 is used for cutting the PBAT adhered to the blade 404 into small strips; the refrigeration component 909 is used for reducing the temperature of the rolling cylindrical wheel 901 so as to cool the PBAT adhered to the blade 404 to solidify when the rolling cylindrical wheel 901 is in contact with the blade 404, and then the PBAT is separated from the blade 404.
Preferably, as shown in fig. 11, the rolling cylinder wheel 901 comprises an internal cylinder 904, an external pipe 905, a first nylon cloth 906 and a second nylon cloth 907; the built-in column 904 is positioned on the wheel bracket 902, and the external pipe 905 is sleeved on the built-in column 904; a first nylon cloth 906 and a second nylon cloth 907 are positioned between the internal column 904 and the external pipe 905; static electricity is generated by friction of the first nylon cloth 906 and the second nylon cloth 907, and the PBAT cut into small strips is attracted to the rolling cylindrical wheel 901; the knife cleaning assembly 9 further comprises a dust suction device 908; the dust extraction 908 is positioned on the wheel holder 902 for sucking away the stripped, cut-to-strip PBAT.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. A modified PBAT pelletizing device characterized in that: a modified PBAT granulation device, comprising a cooling plate rail (1);
a groove is formed in the middle of the cooling plate rail (1) and cooling water is arranged in the groove, a guide roller (101) is arranged at the left end of the cooling plate rail (1), a driving roller assembly (102) is arranged at the right end of the cooling plate rail (1), a guide seat (103) is fixedly installed at the right end of the driving roller assembly (102), a guide hole (1031) is formed in the guide seat (103), a side bracket (104) is arranged at the right end of the cooling plate rail (1), a sieve plate (105) is arranged at the bottom end of the side bracket (104), and an extruder (2) is arranged at the left end of the cooling plate rail (1);
the drying device (3) is installed on the side support (104), the granulating device (4) is installed at the right end of the side support (104), the reciprocating device (5) is installed at the outer side of the side support (104), the collecting bin (6) is installed at the bottom end of the side support (104), and the collecting water tank (7) is installed at the bottom end of the collecting bin (6);
the top of extruder (2) is a pan feeding mouth (201), and two crushing axles (2011) are installed in the inside bottom drive of pan feeding mouth (201), and the inside corresponding hot plate that installs of extruder (2), the left end of extruder (2) are for extruding axis body (202).
2. The modified PBAT pelletizing device of claim 1, further comprising a shape control assembly (8);
the shape control assembly (8) changes the shape of the extruded raw material strip (809) into a gourd shape by regularly changing the aperture size of the hole on the extrusion shaft body (202);
the shape control assembly (8) comprises a central gear (801) and a pressing unit (803);
the central gear (801) is positioned on the extrusion shaft body (202) and is used for driving the extrusion unit (803) to operate;
the number of the extrusion units (803) is the same as that of the extrusion holes on the extrusion shaft body (202), and the extrusion units and the extrusion holes are all in contact with the central gear (801);
the extrusion unit (803) comprises a rotary gear ring (803), a sliding rod (804), a sliding rod driving boss (805), a sliding rod positioning component (806), a force application spring (807) and a rod head arc-shaped plate (808);
the rotating gear ring (803) is driven by the central gear (801) to be rotatably and fixedly connected to the extrusion shaft body (202), sliding rod driving protrusions (805) are positioned on the rotating gear ring (803), and the sliding rod driving protrusions (805) are positioned on the inner wall of the rotating gear ring (803), are arc-shaped protrusions and are in multiple numbers and used for driving the sliding rod (804) to slide so as to extrude the raw material strips (809);
the number of the sliding rods (804) is multiple; the sliding rod positioning assembly (806) is used for positioning the sliding rod (804) on the extrusion shaft body (202) in a sliding mode and plays a guiding role;
the slide bar positioning assembly (806) includes a force spring (807) positioned on the slide bar (804) for imparting a tendency for the slide bar (804) to slide toward the slide bar drive boss (805).
3. The modified PBAT pelletizing device of claim 1, characterized in that the drive roll assembly (102) comprises:
the driving roll shafts (1021) are arranged at two positions, the driving roll shafts (1021) are arranged at the upper part and the lower part, and the two driving roll shafts (1021) are respectively rotatably arranged on the rotating lug plates (1024) at the two ends of the cooling plate rail (1);
the gear (1022) is arranged at two positions, the two gears (1022) are respectively and fixedly arranged at the left end of the driving roll shaft (1021), and the two gears (1022) are in meshing transmission connection;
the driving motor (1023), the driving motor (1023) is fixedly arranged at the left end of the cooling plate rail (1), and a transmission shaft of the driving motor (1023) is arranged outside a gear (1022) at the lower end in a driving manner;
the pelletizing device (4) comprises:
the driving motor (401), the driving motor (401) is fixedly installed at the outer end of the side bracket (104);
the heat insulation shaft body (402) is arranged at the top end of a transmission shaft of the driving motor (401) in a driving mode, and the front end of the heat insulation shaft body (402) is a heat conduction shaft body (403);
the blade (404) is arranged at the front end of the heat conducting shaft body (403), and the outer surface of the blade (404) is arranged on the outer surface of the guide seat (103);
the heating device (405), the heating device (405) is rotatably mounted on the heat conducting shaft body (403);
the heating device (405) comprises:
a heater (4051), the heater (4051) being mounted at an outer end of the side bracket (104);
and the heating shaft sleeve (4052), the heating shaft sleeve (4052) is rotatably arranged on the heat conduction shaft body (403), and the heating shaft sleeve (4052) is connected to the heater (4051) through a circuit.
4. The modified PBAT pelletizing device of claim 3, further comprising a knife assembly (9);
the cutter cleaning assembly (9) comprises a rolling cylindrical wheel (901), a wheel bracket (902) and a refrigerating assembly (909);
the rolling cylindrical wheel (901) is rotatably and fixedly connected to the guide seat (103) through the wheel bracket (902);
scraping off the PBAT adhered to the blade (404) when the blade rotates;
a wheel body cutting bulge (903) is positioned on the rolling cylindrical wheel (901), the wheel body cutting bulge (903) is annular, the number of the wheel body cutting bulge is multiple, the wheel body cutting bulge is made of plastic with a melting point higher than PBAT 5-10 ℃, and the plastic is sleeved on the rolling cylindrical wheel (901) and arranged at equal intervals;
the wheel body cutting bulge (903) is used for cutting the PBAT adhered to the blade (404) into small strips;
the refrigeration component (909) is used for reducing the temperature of the rolling cylindrical wheel (901) so as to cool the PBAT adhered to the blade (404) to solidify when the rolling cylindrical wheel (901) is in contact with the blade (404) and further to be separated from the blade (404).
5. The modified PBAT pelletizing device of claim 4, further comprising a knife assembly (9);
the rolling column-shaped wheel (901) comprises an internal column (904), an external pipe (905), a first nylon cloth (906) and a second nylon cloth (907);
the built-in column (904) is positioned on the wheel bracket (902), and the external pipe (905) is sleeved on the built-in column (904);
a first nylon cloth (906) and a second nylon cloth (907) are positioned between the internal column (904) and the external pipe (905);
the friction of the first nylon cloth (906) and the second nylon cloth (907) generates static electricity, and the PBAT cut into small strips is attracted to the rolling cylindrical wheel (901);
the knife cleaning assembly (9) also comprises a dust suction device (908);
the dust extraction device (908) is positioned on the wheel holder (902) for sucking away the stripped, cut-to-strip PBAT.
6. The modified PBAT pelletizing apparatus of claim 1, in which: the drying device (3) comprises:
the air supply fan (301), the air supply fan (301) is fixedly arranged at the top end of the left side of the side bracket (104);
the connecting air pipe (302), the connecting air pipe (302) is communicated and arranged at the left end of the air inlet fan (301);
the installation air box (303) is hollow inside, the upper end of the installation air box (303) is connected to the bottom end of the connecting air pipe (302), the installation air box (303) is fixedly installed at the top end of the side support (104), and the installation air box (303) is arranged right above the front end face of the guide seat (103);
the right side bottom of collection water tank (7) is equipped with one and locates outlet pipe (701), and the top left and right sides of collection water tank (7) has respectively seted up one and has installed spout (702), and each fixed mounting in the bottom left and right sides of collection storehouse (6) has long slider (602), and installation spout (702) of collection water tank (7) top left and right sides slidable mounting respectively on long slider (602) of collection storehouse (6) bottom left and right sides, and the bottom of collecting storehouse (6) is a waterlogging caused by excessive rainfall board (601).
7. The modified PBAT pelletizing apparatus of claim 1, in which: the left end and the right end of the inner wall of the side support (104) are respectively provided with a long chute (1041), the surface of the sieve plate (105) is provided with sieve holes in an array manner, and the left end and the right end of the sieve plate (105) are respectively slidably mounted on the long chutes (1041) at the left end and the right end of the inner wall of the side support (104).
8. The modified PBAT pelletizing apparatus of claim 1, in which: the reciprocating device (5) comprises:
the mounting frame (501), the mounting frame (501) is fixedly arranged at the outer end of the side support (104), and a reciprocating motor (502) is fixedly arranged at the bottom end of the mounting frame (501);
the right end of the rotating disc (503) is arranged at the right end of the reciprocating motor (502) in a driving mode, and a rotating rod is arranged on the surface of the left end of the rotating disc (503), which is far away from the circle center;
the right end of the connecting rod (504) is rotatably arranged on a rotating rod on the surface of the left end of the rotating disc (503), which is far away from the circle center, and the left end of the connecting rod (504) is rotatably arranged at the center of the outer end of the sieve plate (105).
9. The modified PBAT pelletizing apparatus of claim 1, in which: the left end and the right end of the inside of the side support (104) are respectively arranged in an array mode and fixedly provided with a plurality of slave vibration blocks (1042), the left end and the right end of the top surface of the sieve plate (105) are respectively arranged in an array mode and fixedly provided with a plurality of main vibration blocks (1051), the outer ends of the main vibration blocks (1051) are attached to the inner wall of the side support (104), and the main vibration blocks (1051) are arranged between the two adjacent slave vibration blocks (1042).
10. A method for preparing PBAT foaming material by granulation is characterized in that: the method comprises the following steps:
1) the raw materials are put into a feeding port (201) at the top end of an extruder (2), the raw materials are crushed by a crushing shaft (2011), and the raw materials are melted by the extruder (2) and then extruded into a long strip shape by an extrusion shaft body (202);
2) the long-strip-shaped raw material is placed at the bottom end of a guide roller (101) at the left end of the cooling plate rail (1), and the long-strip-shaped raw material is cooled by cooling water passing through a middle groove of the cooling plate rail (1);
3) the long-strip raw material is arranged between two driving roll shafts (1021) at the right end of the cooling plate rail (1), passes through a guide hole (1031) on a guide seat (103), and is driven and guided by a driving roll assembly (102);
4) the cutting device cuts the strip raw material which passes through the outer end face of the guide hole (1031) on the guide seat (103);
5) drying device carries out the operation of blowing through installation bellows (303) to the raw materials after the terminal surface is cut grain before guide holder (103), the surface moisture of the raw materials after will cutting grain weathers, simultaneously with the raw materials after cutting grain to sieve (105), sieve (105) are through reciprocating device (5) and the cooperation of main vibrating block (1051), carry out batch standard screening to the raw materials after cutting grain, the raw materials particle after the screening falls in collecting bin (6), and the moisture on raw materials particle surface passes through waterlogging caused by excessive rainfall board (601) and falls to in collecting tank (7).
CN202110873877.1A 2021-07-30 2021-07-30 Modified PBAT granulation device and preparation method of foaming material thereof Active CN113561355B (en)

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CN115284480A (en) * 2022-08-24 2022-11-04 杭州鑫派新材料科技有限公司 System and method for producing polyolefin resin composition

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Denomination of invention: A modified PBAT granulation device and preparation method of its foaming material

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