CN111391167A - Secondary granulation hot melting treatment process for recycling plastic products - Google Patents
Secondary granulation hot melting treatment process for recycling plastic products Download PDFInfo
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- CN111391167A CN111391167A CN202010244767.4A CN202010244767A CN111391167A CN 111391167 A CN111391167 A CN 111391167A CN 202010244767 A CN202010244767 A CN 202010244767A CN 111391167 A CN111391167 A CN 111391167A
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- hot melting
- melting furnace
- plastic product
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- cavity
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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
- B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
- B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
Abstract
The invention discloses a plastic product recovery secondary granulation hot melting treatment process, which relates to the technical field of plastic product processing, and is completed by matching a plastic product recovery secondary granulation hot melting treatment device, wherein the plastic product recovery secondary granulation hot melting treatment device comprises a fixed support fixed on the ground, the top end of the fixed support is hinged with a hot melting furnace support frame, the hot melting furnace support frame is arranged on the left side of the fixed support, and the hot melting furnace support frame is provided with a U-shaped frame with an upward opening formed by welding a plurality of I-shaped steel. According to the invention, the bottom of the hot melting furnace support frame is pushed upwards by the pneumatic cylinder at the bottom of the hot melting furnace support frame, and the hot melting furnace support frame is rotated along the top end of the fixed support frame until the hot melting furnace is in a horizontal state, so that a plastic product subjected to hot melting in the hot melting furnace can be poured out from the interior of the hot melting furnace to the exterior.
Description
Technical Field
The invention relates to the technical field of plastic product processing, in particular to a secondary granulation hot melting treatment process for plastic product recovery.
Background
The plastic products are the general name of articles for daily use, industry and the like which are processed by adopting plastics as main raw materials. Including products of all processes of injection molding, plastic uptake and the like which take plastic as raw materials. Plastics are plastic synthetic polymer materials, and form three essential synthetic materials in daily life with synthetic rubber and synthetic fibers. Specifically, the plastic is a material which takes natural or synthetic resin as a main component, is added with various additives, can be molded into a certain shape under the conditions of certain temperature, pressure and the like, and keeps the shape unchanged at normal temperature.
Plastic products have recoverable function, it is current, in order to promote the environmental protection, the wastes material is recycled, often carry out the secondary granulation after retrieving plastic products, plastic products is at the recovery granulation in-process, need carry out the hot melt processing with plastic products, it is current, plastic products is after the hot melt, plastic products is in the hot melt intracavity gradually hot melt in-process, plastic products adheres easily on the inner wall in hot melt chamber, the plastic products of adhesion at hot melt intracavity inner wall makes plastic products be heated evenly easily, influence plastic products's hot melt efficiency.
Disclosure of Invention
The invention aims to provide a plastic product recovery secondary granulation hot melting treatment process, which solves the problems that after the plastic product is subjected to hot melting, the plastic product is easy to adhere to the inner wall of a hot melting cavity in the gradual hot melting process of the plastic product in the hot melting cavity, and the plastic product adhered to the inner wall of the hot melting cavity is easy to be uniformly heated, so that the hot melting efficiency of the plastic product is influenced.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a plastic product recovery secondary granulation hot melting treatment process is completed by matching a plastic product recovery secondary granulation hot melting treatment device, wherein the plastic product recovery secondary granulation hot melting treatment device comprises a fixed support fixed on the ground, the top end of the fixed support is hinged with a hot melting furnace support frame, the hot melting furnace support frame is arranged on the left side of the fixed support, the hot melting furnace support frame is provided with a U-shaped frame with an upward opening formed by welding a plurality of I-shaped steel, the top end of the hot melting furnace support frame is provided with a top support rib plate which is horizontally fixed, the left side of the bottom end of the hot melting furnace support frame is provided with a support leg, the bottom end of the hot melting furnace support frame is hinged with a pneumatic cylinder, and the pneumatic cylinder is fixed on the ground;
the hot melting furnace is characterized in that a cylindrical hot melting furnace is arranged in the middle of a U-shaped frame of the hot melting furnace supporting frame, a bowl-shaped hot melting furnace bottom plate is hinged to the bottom end of the hot melting furnace, a hot melting cavity is arranged inside the hot melting furnace, a fan-shaped heat conducting tray is arranged at the bottom end of the hot melting cavity, a heating tungsten filament is arranged between the heat conducting tray and the hot melting furnace bottom plate, a cylindrical supporting shaft is arranged in the middle of the bottom end of the hot melting furnace, pin rods are symmetrically arranged on the outer circular surface of the supporting shaft, a supporting shaft fixing frame is arranged in the middle of the U-shaped frame of the hot melting furnace supporting frame, a second supporting shaft horizontally arranged is hinged to the top end of the supporting shaft fixing frame, a round hole is formed in the middle of the second supporting shaft, pin holes matched with the pin rods in a clamping mode are symmetrically, a pin rod on the outer circular surface of the supporting shaft is embedded into the pin hole in a clamping matching mode, a motor is mounted below the second supporting shaft and fixed on the support frame of the hot melting furnace, a crank is mounted at the top end of an output shaft of the motor, and the bottom end of the supporting shaft is hinged to the crank;
the top of top support floor is fixed with the axle sleeve that hangs of drum structure, the bottom that hangs the axle sleeve articulates there is the axis of rotation pole, the top of rotation axostylus axostyle is bent and is had certain angle, the bottom of rotation axostylus axostyle stretches into in the hot melt intracavity through the bearing the rotation axostylus axostyle bottom is close to in hot melt chamber bottom surface, stretches into in the hot melt intracavity the rotation axostylus axostyle excircle facial symmetry is equipped with the support arm that a plurality of equidistance distributes, each the scraping sword is installed on the top of support arm, the top of scraping the sword is equipped with the cutting edge and closes on in the inner wall in hot melt chamber, the arc scraping sword is installed to the bottom of rotation axostylus axostyle, the bottom of arc scraping sword is equipped with the cutting edge and closes on.
The secondary granulation hot melting treatment process for recycling the plastic products specifically comprises the following steps:
s1, plastic product throwing: putting the plastic product for secondary granulation into a hot melting cavity;
s2, hot melting of plastic products: carrying out hot melting on the plastic product put into the hot melting cavity in the step S1, and heating through the heat conducting tray on the bottom surface of the hot melting cavity to ensure that the plastic product put into the hot melting cavity is gradually melted after being heated;
s3, turning and stirring: and (4) overturning and stirring the plastic product which is heated in the step S2 and then gradually melted, driving the hot melting furnace to swing in the hot melting furnace support frame through the motor, enabling the plastic product to swing in the hot melting cavity, stretching into the hot melting cavity through the rotating shaft rod, enabling the rotating shaft rod to be opposite to the rotating direction of the hot melting furnace in the hot melting cavity, and stirring the plastic product in the hot melting cavity.
S4, sticking treatment: performing adhesion treatment on the plastic product which is shaken in the hot melting cavity in the step S3, wherein the rotating direction of the rotating shaft rod in the hot melting cavity is opposite to the rotating direction of the hot melting furnace, the cutting edge of the scraping knife is close to the inner wall of the hot melting cavity, and the plastic product adhered to the inner wall of the hot melting cavity is scraped by the scraping knife;
s5, taking out the plastic product: the support frame of the hot melting furnace is pushed to be inverted upwards by the pneumatic cylinder, so that the melted plastic product is taken out from the hot melting furnace, and the hot melting treatment of the plastic product recovery secondary granulation is completed.
As a preferred technical scheme of the present invention, the top end of the scraping blade is curved in an arc shape toward the rotation direction of the rotating shaft rod, an air nozzle is disposed at the back of the scraping blade facing the rotation direction of the rotating shaft rod, and an air nozzle is disposed at the inner wall of the air nozzle facing the hot-melt chamber.
As a preferred technical solution of the present invention, a protruding clamping block is disposed at the bottom end of the suspension shaft cylinder, a clamping groove matched with the clamping block is disposed at the top end of the rotation shaft rod, the clamping groove is embedded in the clamping block in a sliding fit manner, a first air passage penetrating to the top end of the suspension shaft cylinder is disposed at the center of the clamping block, a gas nozzle is disposed at the top end of the suspension shaft cylinder, a second air passage communicating with the first air passage is disposed on the inner wall of the rotation shaft rod, and the second air passage is communicated with each nozzle at the inner walls of the rotation shaft rod and the support arm.
As a preferred technical scheme, the air nozzle comprises a material baffle plate, a limiting block and a tension spring, wherein the inner wall of the second air passage close to the top end of the air nozzle is symmetrically hinged with the movable material baffle plate, the limiting block is arranged at the bottom end of the material baffle plate in the second air passage, and the middle of the material baffle plate is connected with the tension spring. The other section of the connecting spring is fixed on the inner wall of the second air channel.
As a preferable technical scheme of the invention, the top end of the hot melting furnace is provided with a feeding port, and one side wall of the top end of the feeding port is hinged with a cover plate.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the invention, the top end of the fixed support is hinged with the hot melting furnace support frame, the hot melting furnace support frame is arranged on the left side of the fixed support, the hot melting furnace is arranged on the hot melting furnace support frame, after a plastic product is subjected to hot melting in the hot melting furnace, the bottom of the hot melting furnace support frame is pushed upwards by the pneumatic cylinder at the bottom of the hot melting furnace support frame, the hot melting furnace support frame is rotated along the top end of the fixed support frame until the hot melting furnace is in a horizontal state, and the plastic product subjected to hot melting in the hot melting furnace is poured out from the interior of the hot melting.
Secondly, the invention installs a cylindrical hot melting furnace in the middle of the U-shaped frame of the hot melting furnace supporting frame, a hot melting cavity is arranged in the hot melting furnace, a fan-shaped heat conducting tray is arranged at the bottom end of the hot melting cavity, the heat conducting tray is umbrella-shaped, so that the contact area between the heat conducting tray and the plastic product is larger, the hot melting efficiency of the plastic product is improved, the motor drives the hot melting furnace to swing in the hot melting furnace supporting frame, so that the plastic product swings and swings in the hot melting cavity, the rotating shaft lever extends into the hot melting cavity, the rotating direction of the rotating shaft lever in the hot melting cavity is opposite to that of the hot melting furnace, stirring the plastic product in the hot melting cavity to ensure that the plastic product forms a sticky state after being hot melted in the hot melting cavity, the plastic products in the hot melting cavity are stirred by the rotating shaft lever and the supporting arms on the rotating shaft lever, so that the plastic products after hot melting are heated uniformly, and the plastic products are melted quickly.
Thirdly, the scraping knife is installed at the top end of the supporting arm, the top end of the scraping knife is provided with a knife edge close to the inner wall of the hot melting cavity, the bottom end of the rotating shaft rod is provided with an arc-shaped scraping knife, the bottom end of the arc-shaped scraping knife is provided with a knife edge close to the top surface of the heat conducting tray, the hot melting furnace is driven by the motor to swing in the hot melting furnace supporting frame, so that the plastic product swings and swings in the hot melting cavity, the rotating direction of the shaft rod in the hot melting cavity is opposite to that of the hot melting furnace, the scraping knife is close to the inner wall of the hot melting cavity, and the plastic product adhered to the inner wall of;
the top end of the scraping knife is curved in an arc shape towards the rotating direction of the rotating shaft rod, the air nozzle is arranged at the back of the scraping knife facing the rotating direction of the rotating shaft rod, the air nozzle is arranged on the inner wall of the hot melting cavity facing the air nozzle, the air nozzle blows air to the inner wall of the hot melting cavity in the scraping process of the plastic product adhered to the inner wall of the hot melting cavity through the scraping knife and the plastic product adhered to the inner wall of the hot melting cavity is removed through the air blowing acceleration.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a secondary granulation hot-melting treatment process for recycling plastic products of the present invention;
FIG. 2 is a front sectional view of the plastic product recycling secondary granulation hot melting treatment device of the present invention;
FIG. 3 is a right side view of the plastic product recycling secondary granulation hot melting treatment device of the present invention;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 2;
FIG. 5 is a schematic top sectional view of a scraping blade of the present invention mounted within a hot melt chamber;
FIG. 6 is an enlarged view of a portion of the structure shown in FIG. 5;
FIG. 7 is a schematic cross-sectional view of an air nozzle of the present invention disposed at the back of a scraping blade;
FIG. 8 is a schematic view of a portion of FIG. 7 enlarged in the direction of C in accordance with the present invention;
FIG. 9 is a schematic cross-sectional view of the rotating shaft of the present invention mounted at the bottom end of the swing shaft cylinder;
in the figure: 1. the support, 2, the hot melting furnace support frame, 3, the top support rib board, 4, hang the beam barrel, 5, connect the air cock, 7, the bearing, 8, hot melting chamber, 9, the hot melting furnace, 10, scraping sword, 11, support arm, 12, arc scraping sword, 13, hot melting furnace bottom plate, 14, heat tungsten filament, 15, the back shaft, 16, the support leg, 17, the pneumatic cylinder, 18, the motor, 19, the back shaft mount, 20, the heat conduction tray, 21, heat tungsten filament, 22, locking screw, 23, dog-house, 24, the turning shaft pole, 25, the second air flue, 26, the air nozzle, 27, the air nozzle, 2701, the striker plate, 2702, the stopper, 2703, the extension spring, 28, the crank, 29, the apron, 30, the second back shaft, 31, first air flue, 32, joint piece, 33, joint groove.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific figures.
It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Please refer to fig. 1-9, which are schematic structural diagrams of a plastic product recycling secondary granulation hot melting treatment process;
a plastic product recovery secondary granulation hot melting treatment process is completed by matching a plastic product recovery secondary granulation hot melting treatment device, the plastic product recovery secondary granulation hot melting treatment device comprises a fixed support 1 fixed on the ground, the bottom foot of the fixed support 1 is locked and fixed on the ground through a mounting locking screw 22, the fixed support 1 is a tripod vertically fixed on the ground, the fixed support 1 is provided with two fixed supports 1, the two fixed supports 1 are symmetrically arranged on the right side of a hot melting furnace support frame 2, the top end of the fixed support 1 is hinged with a hot melting furnace support frame 2, the hot melting furnace support frame 2 is arranged on the left side of the fixed support 1, the hot melting furnace support frame 2 is provided with a U-shaped frame which is provided with an upward opening and is formed after a plurality of I-shaped steel are welded, the top end of the hot melting furnace support frame 2 is provided with a horizontally fixed top support rib plate 3, a supporting leg 16 is arranged on the left side of the bottom end of the hot melting furnace supporting frame 2, a pneumatic cylinder 17 is hinged to the bottom end of the hot melting furnace supporting frame 2, and the pneumatic cylinder 17 is fixed on the ground;
according to the plastic product hot melting furnace, the hot melting furnace support frame 2 is hinged to the top end of the fixing support 1, the hot melting furnace support frame 2 is arranged on the left side of the fixing support 1, the hot melting furnace 9 is arranged on the hot melting furnace support frame 2, after a plastic product is hot-melted in the hot melting furnace 9, the bottom of the hot melting furnace support frame 2 is pushed upwards through the pneumatic cylinder 17 at the bottom of the hot melting furnace support frame 2, the hot melting furnace support frame 2 is rotated to be in a horizontal state along the top end of the fixing support 1, and the plastic product which is hot-melted in the hot melting furnace 9 can be poured out from the interior of the hot melting furnace 9 conveniently.
The U-shaped frame mid-mounting of hot melt furnace support frame 2 has cylindric hot melt furnace 9, the articulated hot melt furnace bottom plate 13 that is provided with the bowl form in bottom of hot melt furnace 9, hot melt furnace 9 is confined drum structure, the inside of hot melt furnace 9 is equipped with hot melt chamber 8, the bottom in hot melt chamber 8 is equipped with the heat conduction tray 20 of fan form, install between heat conduction tray 20 and the hot melt furnace bottom plate 13 and heat the tungsten filament 21, power source is installed to the outer wall of hot melt furnace bottom plate 13, heat the tungsten filament and pass through wire and power source connection, it is even to be heated through heat conduction tray 20 messenger hot melt chamber 8 bottom surfaces, improve the intensity of hot melt furnace 9 bottom through hot melt furnace bottom plate 13, it is more steady when being favorable to hot melt furnace 9 to rotate on back shaft mount 19. A cylindrical support shaft 15 is arranged in the middle of the bottom end of the hot melting furnace 9, pin rods are symmetrically arranged on the outer circular surface of the support shaft 15, a support shaft fixing frame 19 is arranged in the middle of a U-shaped frame of the hot melting furnace support frame 2, a second support shaft 30 horizontally arranged is hinged to the top end of the support shaft fixing frame 19, a round hole is formed in the middle of the second support shaft 30, pin holes in clamping fit with the pin rods are symmetrically formed in the round hole of the second support shaft 30, the middle of the support shaft 15 is installed in the round hole of the second support shaft 30, the pin rods on the outer circular surface of the support shaft 15 are embedded in the pin holes in a clamping fit mode, a motor 18 is installed below the second support shaft 30, the motor 18 is fixed on the hot melting furnace support frame 2, a crank;
in the invention, the cylindrical hot melting furnace 9 is arranged in the middle of the U-shaped frame of the hot melting furnace support frame 2, the top end of the hot melting furnace 9 is provided with a feeding port 23, and one side wall of the top end of the feeding port 23 is hinged with a cover plate 29. The other end of the cover plate 29 is fixed on the top end of the hot melting furnace 9 through a locking screw. A hot melting cavity 8 is arranged inside the hot melting furnace 9, a fan-shaped heat conducting tray 20 is arranged at the bottom end of the hot melting cavity 8, the umbrella-shaped heat conducting tray 20 can increase the contact area between the heat conducting tray 20 and the plastic products, improve the hot melting efficiency of the plastic products, the motor 18 drives the hot melting furnace 9 to rock in the hot melting furnace supporting frame 2, so that the plastic product rocks and rocks in the hot melting cavity 8, the rotating shaft lever 24 extends into the hot melting cavity 8, the rotating shaft lever 24 is opposite to the rotating direction of the hot melting furnace 9 in the hot melting cavity 8, the plastic products in the hot melting cavity 8 are stirred to be hot melted in the hot melting cavity 8 to form a sticky state, the plastic products in the hot melting cavity 8 are stirred through the rotating shaft rod 24 and the supporting arm 11 on the rotating shaft rod 24, so that the hot melted plastic products are heated uniformly, and the melting of the plastic products is accelerated.
Wherein, the bottom middle part of hot melt stove 9 is equipped with cylindric back shaft 15, and the excircle plane symmetry of back shaft 15 is equipped with the round pin pole, and the bottom fixing through back shaft 15 and hot melt stove 9 is a body structure, makes back shaft 15 at the rocking in-process, and hot melt stove 9 follows the rocking to can not circumference rotary motion, therefore can guarantee that power source continues to be connected with external power source, lasts the power supply.
The top of top support floor 3 is fixed with the axle sleeve 4 that hangs of drum structure, the bottom of hanging axle sleeve 4 articulates there is rotation axostylus axostyle 24, the top of rotation axostylus axostyle 24 is bent and is had certain angle, the bottom of rotation axostylus axostyle 24 stretches into in hot melt chamber 8 through bearing 7, stretch into the rotation axostylus axostyle 24 bottom in hot melt chamber 8 and close on in hot melt chamber 8 bottom surface, the support arm 11 that the outer disc symmetry of rotation axostylus axostyle 24 that stretches into in hot melt chamber 8 is equipped with a plurality of equidistance and distributes, scraping sword 10 is installed on the top of each support arm 11, it is parallel with the axis of hot melt stove 9 to scrape sword 10, the top of scraping sword 10 is equipped with the cutting edge and closes on the inner wall in hot melt chamber 8, arc scraping sword 12 is installed to the bottom of rotation axostylus axostyle 24.
The plastic product scraping device comprises a support arm 11, a scraping knife 10, an arc-shaped scraping knife 12, a heat conducting tray 20, a motor 18, a hot melting furnace 9, a hot melting furnace support frame 2, a hot melting furnace 24, a hot melting furnace 9, a scraping knife 10, a heat conducting tray 10 and a heat conducting tray 10, wherein the scraping knife 10 is installed at the top end of the support arm 11, a knife edge is arranged at the top end of the scraping knife 10 and is close to the inner wall of the hot melting chamber 8;
the secondary granulation hot melting treatment process for recycling the plastic products specifically comprises the following steps:
s1, plastic product throwing: putting the plastic product for secondary granulation in the hot melting cavity 8;
s2, hot melting of plastic products: the plastic product put into the hot melting cavity 8 in the step S1 is subjected to hot melting, and the heat conducting tray 20 on the bottom surface of the hot melting cavity 8 is used for heating, so that the plastic product put into the hot melting cavity 8 is gradually melted after being heated;
s3, turning and stirring: and (4) overturning and stirring the plastic product which is heated and then gradually melted in the step (S2), driving the hot melting furnace 9 to swing in the hot melting furnace support frame 2 through the motor 18, enabling the plastic product to swing and swing in the hot melting cavity 8, extending into the hot melting cavity 8 through the rotating shaft rod 24, enabling the rotating shaft rod 24 to be opposite to the rotating direction of the hot melting furnace 9 in the hot melting cavity 8, and stirring the plastic product in the hot melting cavity 8.
S4, sticking treatment: in the process of gradually melting the plastic product which is shaken in the hot melting cavity 8 in the step S3, the melted plastic product is prevented from being adhered to the inner wall of the hot melting cavity 8, the inner wall of the hot melting cavity 8 is subjected to adhesion treatment, the rotating shaft lever 24 in the hot melting cavity 8 is opposite to the rotating direction of the hot melting furnace 9, the cutting edge of the scraping knife 10 is close to the inner wall of the hot melting cavity 8, and the plastic product adhered to the inner wall of the hot melting cavity 8 is scraped by the scraping knife 10;
s5, taking out the plastic product: the pneumatic cylinder 17 pushes the hot melting furnace support frame 2 to turn upwards, so that the melted plastic product is taken out from the hot melting furnace 9, and the hot melting treatment of the plastic product recovery secondary granulation is completed.
The top of scraping sword 10 is arc bending to the direction of rotation of rotating shaft pole 24, is equipped with a plurality of air nozzle 26 towards the scraping sword 10 back in the direction of rotation of rotating shaft pole 24 direction of rotation, and air nozzle 26 is the equidistant range of straight line at the back of scraping sword 10 and arranges, and each air nozzle 26 is equipped with air nozzle 27 towards the inner wall in hot melt chamber 8.
The back of arc scraping cutter 12 is equipped with a plurality of air nozzle 26 towards the bottom surface in hot melt chamber 8, and air nozzle 26 is equidistant at the back of arc scraping cutter 12 and arranges, and each air nozzle 26 is equipped with air nozzle 27 towards the bottom surface in hot melt chamber 8.
In the invention, the top end of the scraping knife 10 is curved in an arc shape towards the rotating direction of the rotating shaft rod 24, the back of the scraping knife 10 facing the rotating direction of the rotating shaft rod 24 is provided with the air nozzle 26, the air nozzle 26 is provided with the air nozzle 27 facing the inner wall of the hot melting cavity 8, the scraping knife 10 is close to the inner wall of the hot melting cavity 8, in the scraping process of the plastic product adhered to the inner wall of the hot melting cavity 8, the air nozzle 27 blows air to the inner wall of the hot melting cavity 8, and the plastic product adhered to the inner wall of the hot melting cavity is removed by blowing air in an accelerating way.
Hang the bottom of an axle section of thick bamboo 4 and be equipped with bellied joint piece 32, the top of rotation axostylus axostyle 24 is seted up and is blocked piece 32 matched with joint groove 33, joint groove 33 passes through the embedding of sliding fit mode on joint piece 32, the centre of a circle position of joint piece 32 is seted up to the first air flue 31 that has a perfect understanding to hanging an axle section of thick bamboo 4 top, the top of hanging an axle section of thick bamboo 4 is equipped with and connects air cock 5, the inner wall that rotates axostylus axostyle 24 is equipped with the second air flue 25 that communicates in first air flue 31, second air flue 25 communicates at the inner wall that rotates axostylus.
Wherein, sliding fit through joint piece 32 and joint groove 33 makes rotation axostylus axostyle 24 can rotate in the bottom that hangs a section of thick bamboo 4, sets up the first air flue 31 that link up to hanging a section of thick bamboo 4 top through the centre of a circle position of joint piece 32 for rotation axostylus axostyle 24 is hanging a section of thick bamboo 4 bottom pivoted in-process, and second air flue 25 and first air flue 31 last intercommunication are favorable to holding the confession for a plurality of air nozzles 27 in the stirring process and provide the air supply.
Wherein, after the air supply disconnection in the second air flue 25, the striker plate 2701 is through the pulling force of extension spring 2703 and the spacing of stopper, makes the air supply disconnection back in the second air flue 25, and two symmetrical articulated striker plates 27 close rapidly, avoids the plastic products after the hot melt to block up the inside second air flue 25 of air nozzle 27.
The working principle is as follows: when the plastic product recovery secondary granulation hot melting treatment device adopted by the invention is matched, firstly, the plastic product for secondary granulation is put into the hot melting cavity 8 through the feeding port 23, secondly, the plastic product put into the hot melting cavity 8 is subjected to hot melting, and the plastic product put into the hot melting cavity 8 is heated through the heat conducting tray 20 at the bottom surface of the hot melting cavity 8, so that the plastic product put into the hot melting cavity 8 is gradually melted after being heated; then, the plastic products which are gradually melted after being heated are overturned and stirred, the electric motor 18 drives the hot melting furnace 9 to swing in the hot melting furnace supporting frame 2, so that the plastic products swing and swing in the hot melting cavity 8, the rotating shaft rod 24 extends into the hot melting cavity 8, the rotating shaft rod 24 is opposite to the rotating direction of the hot melting furnace 9 in the hot melting cavity 8, and the plastic products in the hot melting cavity 8 are stirred. Then, in the process of gradually melting the plastic product swaying in the hot melting cavity 8, the molten plastic product is prevented from being adhered to the inner wall of the hot melting cavity 8, the inner wall of the hot melting cavity 8 is subjected to adhesion treatment, the rotating direction of the rotating shaft rod 24 in the hot melting cavity 8 is opposite to the rotating direction of the hot melting furnace 9, the cutting edge of the scraping knife 10 is close to the inner wall of the hot melting cavity 8, and the plastic product adhered to the inner wall of the hot melting cavity 8 is scraped by the scraping knife 10; and then an air nozzle 26 is arranged at the back of the scraping knife 10, an air nozzle 27 is arranged on the air nozzle 26 towards the inner wall of the hot melting cavity 8, the air nozzle 27 blows air to the inner wall of the hot melting cavity 8, plastic products adhered to the inner wall of the hot melting cavity are removed through blowing air quickly, finally, after hot melting is completed, the bottom of the hot melting furnace support frame 2 is pushed upwards through an air cylinder 17 at the bottom of the hot melting furnace support frame 2, the hot melting furnace support frame 2 is in a horizontal state along the rotation of the top end of the fixing support 1 to the hot melting furnace, the plastic products subjected to hot melting in the hot melting furnace 9 are poured out from the hot melting furnace 9 to the outside, and hot melting treatment for recycling secondary granulation of the plastic products is.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a plastic products retrieves secondary granulation hot melt processing technology, this plastic products retrieves secondary granulation hot melt processing technology adopts a plastic products to retrieve secondary granulation hot melt processing apparatus cooperation and accomplishes, and this plastic products retrieves secondary granulation hot melt processing apparatus is including being fixed in the fixed bolster on ground, its characterized in that: the top end of the fixed support is hinged with a hot melting furnace support frame, the hot melting furnace support frame is arranged on the left side of the fixed support and is provided with a U-shaped frame which is formed by welding a plurality of I-shaped steel and is provided with an upward opening, a top support rib plate which is horizontally fixed is arranged on the top end of the hot melting furnace support frame, support legs are arranged on the left side of the bottom end of the hot melting furnace support frame, a pneumatic cylinder is hinged to the bottom end of the hot melting furnace support frame, and the pneumatic cylinder is fixed on the ground;
the hot melting furnace is characterized in that a cylindrical hot melting furnace is arranged in the middle of a U-shaped frame of the hot melting furnace supporting frame, a bowl-shaped hot melting furnace bottom plate is hinged to the bottom end of the hot melting furnace, a hot melting cavity is arranged inside the hot melting furnace, a fan-shaped heat conducting tray is arranged at the bottom end of the hot melting cavity, a heating tungsten filament is arranged between the heat conducting tray and the hot melting furnace bottom plate, a cylindrical supporting shaft is arranged in the middle of the bottom end of the hot melting furnace, pin rods are symmetrically arranged on the outer circular surface of the supporting shaft, a supporting shaft fixing frame is arranged in the middle of the U-shaped frame of the hot melting furnace supporting frame, a second supporting shaft horizontally arranged is hinged to the top end of the supporting shaft fixing frame, a round hole is formed in the middle of the second supporting shaft, pin holes matched with the pin rods in a clamping mode are symmetrically formed in the round hole of the second supporting shaft, the, a motor is arranged below the second supporting shaft, the motor is fixed on a support frame of the hot melting furnace, a crank is arranged at the top end of an output shaft of the motor, and the bottom end of the supporting shaft is hinged to the crank;
a hanging shaft cylinder with a cylindrical structure is fixed at the top end of the top supporting rib plate, a rotating shaft rod is hinged at the bottom end of the hanging shaft cylinder, the top end of the rotating shaft rod is bent at a certain angle, the bottom end of the rotating shaft rod extends into the hot melting cavity through a bearing, the bottom end of the rotating shaft rod extending into the hot melting cavity is close to the bottom surface of the hot melting cavity, a plurality of support arms which are distributed at equal intervals are symmetrically arranged on the outer circle surface of the rotating shaft rod extending into the hot melting cavity, a scraping knife is installed at the top end of each support arm, a cutting edge is arranged at the top end of each scraping knife and close to the inner wall of the hot melting cavity, an arc-shaped scraping knife is installed at the bottom end of the rotating shaft rod, the cutting edge arranged at the bottom end of the arc-shaped scraping knife is close to the;
the secondary granulation hot melting treatment process for recycling the plastic products specifically comprises the following steps:
s1, plastic product throwing: putting the plastic product for secondary granulation into a hot melting cavity;
s2, hot melting of plastic products: carrying out hot melting on the plastic product put into the hot melting cavity in the step S1, and heating through the heat conducting tray on the bottom surface of the hot melting cavity to ensure that the plastic product put into the hot melting cavity is gradually melted after being heated;
s3, turning and stirring: and (4) overturning and stirring the plastic product which is heated in the step S2 and then gradually melted, driving the hot melting furnace to swing in the hot melting furnace support frame through the motor, enabling the plastic product to swing in the hot melting cavity, stretching into the hot melting cavity through the rotating shaft rod, enabling the rotating shaft rod to be opposite to the rotating direction of the hot melting furnace in the hot melting cavity, and stirring the plastic product in the hot melting cavity.
S4, sticking treatment: performing adhesion treatment on the plastic product which is rocked in the hot melting cavity in the step S3, wherein the rotating direction of the rotating shaft lever in the hot melting cavity is opposite to the rotating direction of the hot melting furnace, the cutting edge of the scraping knife is close to the inner wall of the hot melting cavity, and the plastic product adhered to the inner wall of the hot melting cavity is scraped by the scraping knife;
s5, taking out the plastic product: the support frame of the hot melting furnace is pushed to be inverted upwards by the pneumatic cylinder, so that the melted plastic product is taken out from the hot melting furnace, and the hot melting treatment of the plastic product recovery secondary granulation is completed.
2. The plastic product recycling secondary granulation hot melting treatment process according to claim 1, characterized in that: the top end of the scraping knife is arc-shaped and bent towards the rotating direction of the rotating shaft rod, an air nozzle is arranged at the back of the scraping knife and faces towards the rotating direction of the rotating shaft rod, and an air nozzle is arranged on the inner wall of the hot melting cavity.
3. The plastic product recycling secondary granulation hot melting treatment process as claimed in claim 2, wherein: the bottom of hanging the axostylus axostyle is equipped with bellied joint piece, the top of rotating the axostylus axostyle is seted up with joint piece matched with joint groove, the joint groove passes through the embedding of sliding fit mode on the joint piece, the centre of a circle position of joint piece is seted up to the first air flue that has a perfect understanding to hanging the axostylus axostyle top, the top of hanging the axostylus axostyle is equipped with the air cock that connects, the inner wall of rotating the axostylus axostyle is equipped with the second air flue that communicates in first air flue, the inner wall and each.
4. The plastic product recycling secondary granulation hot melting treatment process as claimed in claim 2, wherein: the air nozzle comprises a baffle plate, a limiting block and a tension spring, the top end of the air nozzle is closed to the baffle plate, the inner wall of the second air passage is symmetrically hinged to the movable baffle plate, the baffle plate is located in the second air passage, the limiting block is arranged at the bottom end of the baffle plate, and the tension spring is connected to the middle of the baffle plate. The other section of the connecting spring is fixed on the inner wall of the second air channel.
5. The plastic product recycling secondary granulation hot melting treatment process according to claim 1, characterized in that: a feed opening is formed in the top end of the hot melting furnace, and a cover plate is hinged to one side wall of the top end of the feed opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244767.4A CN111391167A (en) | 2020-03-31 | 2020-03-31 | Secondary granulation hot melting treatment process for recycling plastic products |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010244767.4A CN111391167A (en) | 2020-03-31 | 2020-03-31 | Secondary granulation hot melting treatment process for recycling plastic products |
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| CN111391167A true CN111391167A (en) | 2020-07-10 |
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| CN202010244767.4A Withdrawn CN111391167A (en) | 2020-03-31 | 2020-03-31 | Secondary granulation hot melting treatment process for recycling plastic products |
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Application publication date: 20200710 |