CN111921616B - High-performance extrusion device for LDPE (Low-Density polyethylene) film material - Google Patents
High-performance extrusion device for LDPE (Low-Density polyethylene) film material Download PDFInfo
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- CN111921616B CN111921616B CN202010715943.8A CN202010715943A CN111921616B CN 111921616 B CN111921616 B CN 111921616B CN 202010715943 A CN202010715943 A CN 202010715943A CN 111921616 B CN111921616 B CN 111921616B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
- B02C4/12—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
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Abstract
The invention discloses an extrusion device of a high-performance LDPE film material, which belongs to the field of films, and is characterized in that a motor drives a rotating shaft to rotate, a magnetic sheet at the left end of a grinding sheet is separated from a magnet by centrifugal force generated by the rotating speed of the rotating shaft, the grinding sheet is thrown out from the inside of an installation groove by the length matched with the corresponding centrifugal force moment, the LDPE film material is better ground by the grinding sheet, when the grinding sheet is thrown out by the centrifugal force and ground with the LDPE film material, the processing temperature of an extruder is 100 ℃, a feed inlet 1 is heated by high temperature, a carbon dioxide gas is pushed into a limiting groove by air pressure, the limiting groove is fixed, so that the light transmittance of the film is improved, the rolling balls at the outer end of the grinding sheet are fully contacted with the film material, the grinding effect is improved, and the rolling balls and the film material are rubbed and rolled, the irregular lines bring out the elastomer in the storage cavity and fully mix the film material, thereby improving the toughness of the film material.
Description
Technical Field
The invention relates to the field of films, in particular to an extrusion device for a high-performance LDPE film material.
Background
The LDPE film is a Low Density Polyethylene film, which is called Low Density Polyethylene in English and is blown after ethylene is polymerized by a polymerization process.
The low-density polyethylene film is generally prepared by two processes of blow molding and cast molding, the cast polyethylene film has uniform thickness, but is rarely used due to higher price, the blow molded polyethylene film is formed by blowing blow molding-grade PE particles through a blow molding machine, the cost is lower, the application is the most extensive, the low-density polyethylene film is a semitransparent, glossy and soft film, has excellent chemical stability, heat sealability, water resistance and moisture resistance, is freezing-resistant and can be boiled by water, the main defect of the low-density polyethylene film is poor in oxygen barrier property, the low-density polyethylene film is commonly used as an inner layer film of a composite flexible packaging material, and is a plastic packaging film which is the most widely used and used at present, and the consumption of the plastic packaging film accounts for more than 40 percent of the consumption of the plastic packaging film.
Low Density Polyethylene (LDPE) is a general-purpose thermoplastic high polymer material, has good physical and mechanical properties, and is widely applied to the aspects of packaging, films, daily necessities and the like, wherein LDPE is most widely applied to film materials, unmodified LDPE films generate crystal nuclei with different growth speeds on the surface and inside, and the internal crystal nuclei gradually grow towards the surface and become large spherulites to generate concave-convex on the surface of the film and increase the scattering of light, so that the unmodified LDPE films have high haze and low light transmittance, and generally a blending method is used for improving the transparency of the LDPE films by adding nucleating agents such as dibenzylidene sorbitol and the like in the formula of the LDPE film materials, but the effect is poor.
The LDPE is most widely applied to film materials, and the unmodified LDPE film generates crystal nuclei with different growth speeds on the surface and inside, and the internal crystal nuclei gradually grow towards the surface and become large spherulites, so that the surface of the film generates concave-convex parts, and the scattering of light is increased, so that the unmodified LDPE film has high haze and low light transmittance.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a high-performance LDPE film material extrusion device, the scheme is that a motor drives a rotating shaft to rotate, a magnetic sheet at the left end of a grinding sheet is separated from a magnet through centrifugal force generated by the rotating speed of the rotating shaft, the grinding sheet is thrown out from the inside of a mounting groove by the length matched with the corresponding centrifugal force moment, the LDPE film material is better ground through the grinding sheet, when the grinding sheet is thrown out through the centrifugal force and ground with the LDPE film material, the processing temperature of an extruder is 100 ℃, carbon dioxide gas is heated at high temperature, a pressure rod is pushed into the inside of a limiting groove through air pressure to fix the limiting groove, so that the light transmittance of the film is improved, the rolling balls and the film material are fully contacted through the rolling balls at the outer end of the grinding sheet, the grinding effect is improved, and the rolling balls and the film material are rubbed, the irregular lines bring out the elastomer in the storage cavity and fully mix the film material, thereby improving the toughness of the film material.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides an extrusion device of LDPE film material of high performance, includes the motor, the right side of motor is equipped with the extrusion device, the upper end of extrusion device is dug respectively has feed inlet 1, feed inlet 2 and feed inlet 3, the inside extrusion chamber that is dug of extrusion device, the inside in extrusion chamber is equipped with a pair of pivot, the outer end fixedly connected with transfer line of pivot, the outer end fixedly connected with extrusion blade of transfer line, be equipped with the fixed plate between motor and the extrusion device, the fixed plate rotates with the pivot to be connected, the left end of pivot and the output fixed connection of motor, the outer end of extrusion blade is dug and is had a plurality of evenly distributed's mounting groove, the inner wall of mounting groove is dug and is had a pair of spout, and a pair of the equal sliding connection in inside of spout has the slider, a pair of fixedly connected with abrasive disc between the slider, the left end fixedly connected with magnetic sheet of abrasive disc, the diapire fixedly connected with magnet of mounting groove, the inside fixedly connected with compression spring of spout, compression spring is located the right-hand member of slider, adds the double screw extruder that is located feed inlet 11D department with 120r/min running speed with LDPE with 100 kg/h's feed rate, opens the power, and the motor drives the pivot and rotates, the centrifugal force that the pivoted speed produced through the pivot, with the magnetic sheet and the magnet separation of abrasive disc left end, throw away the corresponding centrifugal force moment assorted length of abrasive disc from the inside of mounting groove, grind the LDPE film material better through the abrasive disc.
Further, a fixing frame is fixedly connected between the inner walls of the sliding grooves, a pressure rod is inserted into the fixing frame, a gas storage tank is arranged inside the extrusion blade, carbon dioxide gas is filled into the gas storage tank, the gas outlet of the gas storage tank is fixedly connected with the input end of the pressure rod, a limiting groove is formed in one side section of the grinding sheet and matched with the pressure rod, when the grinding sheet is thrown out through centrifugal force and ground with an LDPE film material, the processing temperature of the extruder is 100 ℃ high, the carbon dioxide in the gas storage tank is heated by the high temperature to expand, the pressure rod is pushed into the limiting groove through the carbon dioxide gas to fix the grinding sheet, so that the grinding sheet is not prone to shake during grinding, and the light transmittance of the film is improved.
Furthermore, the inside of grinding sheet is excavated there is the storing tank, the inside elastomer that is filled of storing tank, the outer end of grinding sheet is excavated there is a plurality of evenly distributed's slot rolls, the slot roll communicates with each other with the storing tank, the inside roll connection of slot roll has the ball, the ball contacts with the elastomer, when the outer end of grinding sheet ground with the film material, through the ball and the film material full contact of grinding sheet outer end, improve the grinding effect, the ball rubs with the film material and rolls in the inside of slot roll, irregular line will deposit the inside elastomer of chamber and take out and the film material intensive mixing to improve the toughness of film material.
Furthermore, the extrusion blade and the material in extrusion chamber are made by the stainless steel, the outer end of extrusion blade and the inner wall in extrusion chamber have all been scribbled and have been brushed high temperature resistant coating, and effectual improvement extrusion blade's life reduces the high temperature to extrusion blade's damage.
Further, the longitudinal section of magnet and magnetic sheet all is arc shape, the one end phase-match that magnet and magnetic sheet contacted improves the area of contact of magnet and magnetic sheet, improves the adsorptivity between magnet and the magnetic sheet, reduces the probability that the abrasive disc rocked in the inside of mounting groove.
Furthermore, the cross section of the grinding sheet is in a trapezoid shape, the thickness of the right end of the grinding sheet is smaller than that of the left end of the grinding sheet, the pressure intensity of the end, in contact with the thin film material, of the grinding sheet is increased, and the grinding effect on the thin film material is improved.
Furthermore, the surface of the ball is provided with irregular grains, the ball is made of stainless steel, and the friction force between the ball and the film material is improved through the irregular grains.
Furthermore, the elastomer is powdered, is convenient for get into the inside of extrusion chamber through the ball and with the better mixture of film material to make the elastomer at the inside evenly distributed of film material.
Further, the LDPE film material has the following implementation formula: 100 parts of LDPE film material, 5-7 parts of ethyl (p-toluenesulfonylhydrazino) methacrylate, 3-5 parts of 2.5-bis (allyloxy) terephthalyl hydrazide, 0.3-0.5 part of DCP and 0.2-0.3 part of zinc stearate, thereby promoting the grain size to be micronized, refining the spherulite size and improving the transparency and toughness of the LDPE film.
The use method of the high-performance LDPE film material extrusion device comprises the following steps:
s1, turning on a power supply, driving the rotating shaft to rotate by the motor, separating the magnetic sheet at the left end of the grinding sheet from the magnet by the centrifugal force generated by the rotating speed of the rotating shaft, throwing the grinding sheet out of the mounting groove by the length matched with the corresponding centrifugal force moment, and better grinding the LDPE film material by the grinding sheet;
s2, when the grinding sheet is thrown out through centrifugal force and ground with the LDPE film material, the processing temperature of the extruder is 100 ℃, carbon dioxide gas is heated at high temperature, the pressure rod is pushed into the limiting groove through air pressure, and the limiting groove is fixed, so that the light transmittance of the film is improved;
s3, the balls at the outer end of the grinding sheet are in full contact with the film material, the grinding effect is improved, the balls and the film material roll in a friction mode, the elastic bodies in the storage cavities are taken out by irregular lines and fully mixed with the film material, and therefore the toughness of the film material is improved.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the proposal drives the rotating shaft to rotate by the motor, separates the magnetic sheet at the left end of the grinding sheet from the magnet by the centrifugal force generated by the rotating speed of the rotating shaft, throws the grinding sheet out of the mounting groove with the length matched with the corresponding centrifugal force moment, and grinds the LDPE film material better by the grinding sheet, when the grinding sheet is thrown out by centrifugal force and ground with LDPE film material, the processing temperature of the extruder is 100 ℃ at the feed inlet 1, carbon dioxide gas is heated at high temperature, the pressure rod is pushed into the limiting groove by air pressure, fix the spacing groove to improve the luminousness of film, the ball through the abrasive sheet outer end fully contacts with the film material, improves the grinding effect, and the ball rolls with the friction of film material, and irregular line will be deposited the inside elastomer of chamber and take out and the intensive mixing of film material, thereby improves the toughness of film material.
(2) Fixedly connected with mount between the inner wall of spout, the inside of mount is inserted and is equipped with the atmospheric pressure pole, the inside of extrusion blade is equipped with the gas holder, the inside packing of gas holder has carbon dioxide gas, the input fixed connection of gas holder gas outlet and atmospheric pressure pole, one side section of abrasive disc is opened and is dug there is the spacing groove, spacing groove and atmospheric pressure pole phase-match, when the abrasive disc is thrown away through centrifugal force and is ground with the LDPE film material, extruder processing temperature feed inlet 1 is 100 ℃ high temperature, the high temperature heats the inside carbon dioxide of gas holder and takes place the inflation, push the atmospheric pressure pole to the inside of spacing groove through carbon dioxide gas, fix the abrasive disc, make the abrasive disc should not rock when grinding, thereby improve the luminousness of film.
(3) The inside excavation of abrasive sheet has the storage tank, the inside packing of storage tank has the elastomer, the outer end excavation of abrasive sheet has a plurality of evenly distributed's rolling groove, the rolling groove communicates with each other with the storage tank, the inside roll connection of rolling groove has the ball, the ball contacts with the elastomer, when the outer end of abrasive sheet grinds with the film material, ball and the film material fully contact through the abrasive sheet outer end, improve the grinding effect, the ball rolls with the inside of film material friction and at the rolling groove, irregular line will deposit the inside elastomer of chamber and take out and the film material intensive mixing, thereby improve the toughness of film material.
(4) The extrusion blade and the material in extrusion chamber are made by the stainless steel, and the outer end of extrusion blade and the inner wall in extrusion chamber all scribble the brush and have high temperature resistant coating, and effectual improvement extrusion blade's life reduces the high temperature to extrusion blade's damage.
(5) The longitudinal section of magnet and magnetic sheet all is arc shape, and the one end phase-match that magnet and magnetic sheet contacted improves the area of contact of magnet and magnetic sheet, improves the adsorptivity between magnet and the magnetic sheet, reduces the probability that the abrasive disc rocked in the inside of mounting groove.
(6) The cross section of the grinding sheet is trapezoidal, the thickness of the right end of the grinding sheet is smaller than that of the left end, the pressure of the end, in contact with the thin film material, of the grinding sheet is increased, and the grinding effect on the thin film material is improved.
(7) The surface of ball is opened and chiseled there is irregular line, and the material of ball is made by the stainless steel, improves the frictional force of ball and film material through irregular line.
(8) The elastomer is powdered, is convenient for get into the inside in extrusion chamber through the ball and with the better mixture of film material to make the elastomer at the inside evenly distributed of film material.
(9) The LDPE film material has the following implementation formula: 100 parts of LDPE film material, 5-7 parts of ethyl (p-toluenesulfonylhydrazino) methacrylate, 3-5 parts of 2.5-bis (allyloxy) terephthalyl hydrazide, 0.3-0.5 part of DCP and 0.2-0.3 part of zinc stearate, thereby promoting the grain size to be micronized, refining the spherulite size and improving the transparency and toughness of the LDPE film.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective sectional view of the present invention.
Fig. 3 is a schematic side sectional view of the transmission rod of the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Fig. 5 is an enlarged schematic view of B in fig. 4.
FIG. 6 is a perspective view of the polishing pad of the present invention.
FIG. 7 is a schematic cross-sectional front view of a polishing sheet according to the present invention.
The reference numbers in the figures illustrate:
the device comprises a motor 1, a fixing plate 2, a rotating shaft 3, a transmission rod 4, an extrusion blade 5, an extrusion cavity 6, a mounting groove 7, a magnet 8, a magnetic sheet 9, a grinding sheet 10, a rolling groove 11, a sliding groove 12, a sliding block 13, a compression spring 14, an air storage tank 15, a pneumatic rod 16, a fixing frame 17, a ball 18, a limiting groove 19, a storage cavity 20 and an elastic body 21.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-4, an extrusion apparatus for high performance LDPE film material includes a motor 1, and those skilled in the art can select a suitable motor according to requirements, such as: 110BYG350DH-SAKSMA-0501, an extrusion device is arranged on the right side of a motor 1, a feed inlet 2 and a feed inlet 3 are respectively drilled at the upper end of the extrusion device, after tosylhydrazino ureido, ethyl methacrylate, allyloxy terephthaloyl hydrazine and DCP are uniformly mixed according to the formula proportion, the mixture is added into the feed inlet 2 at a feed rate of 7.2kg/h under the pressure of 1.2-1.5MPa, the grafting reaction of LDPE molecular chains occurs, the extrusion temperature at the tail section of an extrusion mechanism is gradually increased to 150-160 ℃, zinc stearate, antioxidant 1010 and PE wax are uniformly mixed and then added into the feed inlet 3 at a feed rate of 0.52kg/h, an extrusion cavity 6 is drilled in the extrusion device, a pair of rotating shafts 3 are arranged in the extrusion cavity 6, the outer ends of the rotating shafts 3 are fixedly connected with a transmission rod 4, the outer ends of the rotating shafts 4 are fixedly connected with an extrusion blade 5, a fixed plate 2 is arranged between a motor 1 and an extrusion device, the fixed plate 2 is rotationally connected with a rotating shaft 3, the left end of the rotating shaft 3 is fixedly connected with the output end of the motor 1, the outer end of an extrusion blade 5 is provided with a plurality of uniformly distributed mounting grooves 7, the inner wall of each mounting groove 7 is provided with a pair of sliding grooves 12, the insides of the sliding grooves 12 are respectively and slidably connected with a sliding block 13, a grinding sheet 10 is fixedly connected between the sliding blocks 13, the left end of the grinding sheet 10 is fixedly connected with a magnetic sheet 9, the bottom wall of each mounting groove 7 is fixedly connected with a magnet 8, the inside of each sliding groove 12 is fixedly connected with a compression spring 14, the compression spring 14 is positioned at the right end of each sliding block 13, LDPE is added into a twin-screw extruder with the operation speed of 120r/min at the feeding speed of 100kg/h and is positioned at a feeding port 1, a power supply is switched on, the motor drives the rotating shaft 3 to rotate, and centrifugal force is generated by the rotating speed of the rotating shaft 3, the magnetic sheet 9 at the left end of the grinding sheet 10 is separated from the magnet 8, the grinding sheet 10 is thrown out from the inside of the mounting groove 7 by the length matched with the corresponding centrifugal force moment, and the LDPE thin film material is better ground through the grinding sheet 10.
Referring to fig. 5-6, a fixing frame 17 is fixedly connected between inner walls of the sliding grooves 12, a pressure rod 16 is inserted into the fixing frame 17, a gas storage tank 15 is arranged inside the extrusion blade 5, carbon dioxide gas is filled into the gas storage tank 15, a gas outlet of the gas storage tank 15 is fixedly connected with an input end of the pressure rod 16, a limiting groove 19 is formed in one side section of the grinding sheet 10, the limiting groove 19 is matched with the pressure rod 16, when the grinding sheet 10 is thrown out by centrifugal force and ground with an LDPE film material, a processing temperature feed inlet 1 of the extruder is at a high temperature of 100 ℃, the carbon dioxide in the gas storage tank 15 is heated by the high temperature to expand, the pressure rod 16 is pushed into the limiting groove 19 by the carbon dioxide gas, the grinding sheet 10 is fixed, the grinding sheet 10 is not prone to shake during grinding, and therefore the light transmittance of the film is improved.
Referring to fig. 6-7, a storage groove is cut in the grinding sheet 10, an elastic body 21 is filled in the storage groove, a plurality of rolling grooves 11 are cut in the outer end of the grinding sheet 10, the rolling grooves 11 are communicated with the storage groove, balls 18 are connected in the rolling grooves 11 in a rolling manner, the balls 18 are in contact with the elastic body 21, when the outer end of the grinding sheet 10 is ground with a film material, the balls 18 in the outer end of the grinding sheet 10 are in full contact with the film material, so that the grinding effect is improved, the balls 18 rub against the film material and roll in the rolling grooves 11, the elastic body 21 in the storage cavity 20 is taken out by irregular lines and is fully mixed with the film material, and the toughness of the film material is improved.
Referring to fig. 2-4, the extrusion blade 5 and the extrusion chamber 6 are made of stainless steel, the outer end of the extrusion blade 5 and the inner wall of the extrusion chamber 6 are coated with high temperature resistant coatings, the service life of the extrusion blade 5 is effectively prolonged, the damage of high temperature to the extrusion blade 5 is reduced, the longitudinal sections of the magnet 8 and the magnetic sheet 9 are arc-shaped, the end of the magnet 8 in contact with the magnetic sheet 9 is matched, the contact area of the magnet 8 and the magnetic sheet 9 is increased, the adsorbability between the magnet 8 and the magnetic sheet 9 is increased, and the probability of the grinding sheet 10 shaking in the mounting groove 7 is reduced.
Referring to fig. 6-7, the cross section of the grinding sheet 10 is trapezoidal, the thickness of the right end of the grinding sheet 10 is smaller than that of the left end, the pressure at the end of the grinding sheet 10 contacting the film material is increased, the grinding effect on the film material is improved, irregular grains are chiseled on the surface of the ball 18, the ball 18 is made of stainless steel, the friction force between the ball 18 and the film material is improved through the irregular grains, the elastic body 21 is powdery, and the elastic body 18 can enter the extrusion cavity 6 and can be better mixed with the film material, so that the elastic body 21 is uniformly distributed in the film material.
Referring to FIGS. 1-7, the LDPE film stock is formulated as follows: 100 parts of LDPE film material, 5-7 parts of ethyl (p-toluenesulfonylhydrazino) methacrylate, 3-5 parts of 2.5-bis (allyloxy) terephthalyl hydrazide, 0.3-0.5 part of DCP and 0.2-0.3 part of zinc stearate, thereby promoting the grain size to be micronized, refining the spherulite size and improving the transparency and toughness of the LDPE film.
The use method of the high-performance LDPE film material extrusion device comprises the following steps:
s1, turning on a power supply, driving the rotating shaft 3 to rotate by the motor, separating the magnetic sheet 9 at the left end of the grinding sheet 10 from the magnet 8 by the centrifugal force generated by the rotating speed of the rotating shaft 3, throwing the grinding sheet 10 from the inside of the mounting groove 7 by the length matched with the corresponding centrifugal force moment, and better grinding the LDPE film material by the grinding sheet 10;
s2, when the grinding sheet 10 is thrown out through centrifugal force and ground with the LDPE film material, the processing temperature of the extruder is 100 ℃, carbon dioxide gas is heated at high temperature, the air pressure rod 16 is pushed into the limiting groove 19 through air pressure, and the limiting groove 19 is fixed, so that the light transmittance of the film is improved;
s3, the balls 18 at the outer end of the grinding sheet 10 are in full contact with the film material, so that the grinding effect is improved, the balls 18 roll with the film material in a friction mode, the elastic body 21 in the storage cavity 20 is taken out by the irregular lines and the film material is fully mixed, and the toughness of the film material is improved.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides an extrusion device of high performance's LDPE film material, includes motor (1), the right side of motor (1) is equipped with extrusion device, the upper end of extrusion device is excavated respectively and is had feed inlet 1, feed inlet 2 and feed inlet 3, the inside excavation of extrusion device has extrusion chamber (6), its characterized in that: the inside of extrusion chamber (6) is equipped with a pair of pivot (3), the outer end fixedly connected with transfer line (4) of pivot (3), the outer end fixedly connected with extrusion blade (5) of transfer line (4), be equipped with fixed plate (2) between motor (1) and the extrusion device, fixed plate (2) rotate with pivot (3) and are connected, the left end of pivot (3) and the output fixed connection of motor (1), the chisel has a plurality of evenly distributed's mounting groove (7) in the outer end of extrusion blade (5), the inner wall of mounting groove (7) is opened the chisel and is had a pair of spout (12), a pair of the equal sliding connection in inside of spout (12) has slider (13), a pair of fixedly connected with abrasive disc (10) between slider (13), the left end fixedly connected with magnetic sheet (9) of abrasive disc (10), the diapire fixedly connected with magnet (8) of mounting groove (7), the grinding sheet is characterized in that a compression spring (14) is fixedly connected to the inside of the sliding groove (12), the compression spring (14) is located at the right end of the sliding block (13), a fixing frame (17) is fixedly connected between the inner walls of the sliding groove (12), an air pressure rod (16) is inserted into the fixing frame (17), an air storage tank (15) is arranged inside the extrusion blade (5), carbon dioxide gas is filled into the air storage tank (15), the air outlet of the air storage tank (15) is fixedly connected with the input end of the air pressure rod (16), a limiting groove (19) is formed in one side section of the grinding sheet (10), the limiting groove (19) is matched with the air pressure rod (16), a storage groove is formed in the inside of the grinding sheet (10), an elastic body (21) is filled into the storage groove, and a plurality of uniformly distributed rolling grooves (11) are formed in the outer end of the grinding sheet (10), the rolling groove (11) is communicated with the storage groove, a ball (18) is connected to the inside of the rolling groove (11) in a rolling mode, and the ball (18) is in contact with the elastic body (21).
2. The extrusion device of the high-performance LDPE film material as claimed in claim 1, wherein: the extrusion blade (5) and the extrusion cavity (6) are made of stainless steel, and the outer end of the extrusion blade (5) and the inner wall of the extrusion cavity (6) are coated with high-temperature-resistant coatings.
3. The extrusion device of the high-performance LDPE film material as claimed in claim 1, wherein: the longitudinal sections of the magnet (8) and the magnetic sheet (9) are both arc-shaped, and one ends of the magnet (8) and the magnetic sheet (9) which are contacted are matched.
4. The extrusion device of the high-performance LDPE film material as claimed in claim 1, wherein: the cross section of the grinding sheet (10) is trapezoidal, and the thickness of the right end of the grinding sheet (10) is smaller than that of the left end.
5. The extrusion device of the high-performance LDPE film material as claimed in claim 1, wherein: irregular lines are arranged on the surface of the ball (18) in a chiseling mode, and the ball (18) is made of stainless steel.
6. The extrusion device of the high-performance LDPE film material as claimed in claim 1, wherein: the elastomer (21) is in powder form.
7. The extrusion device of the high-performance LDPE film material as claimed in claim 1, wherein: the LDPE film material has the following implementation formula: 100 parts of LDPE film material, 5-7 parts of ethyl (p-toluenesulfonylhydrazino) methacrylate, 3-5 parts of 2.5-bis (allyloxy) terephthaloyl hydrazine, 0.3-0.5 part of DCP and 0.2-0.3 part of zinc stearate.
8. The use method of the extrusion device of the high-performance LDPE film material as claimed in claim 1, is characterized in that: the method comprises the following steps:
s1, a power supply is turned on, the motor drives the rotating shaft (3) to rotate, the magnetic sheet (9) at the left end of the grinding sheet (10) is separated from the magnet (8) through centrifugal force generated by the rotating speed of the rotating shaft (3), the grinding sheet (10) is thrown out of the mounting groove (7) by the length matched with the corresponding centrifugal force moment, and the LDPE film material is better ground through the grinding sheet (10);
s2, when the grinding sheet (10) is thrown out through centrifugal force and ground with the LDPE film material, the processing temperature of the extruder is 100 ℃, carbon dioxide gas is heated at high temperature, the pressure rod (16) is pushed into the limiting groove (19) through air pressure, and the limiting groove (19) is fixed, so that the light transmittance of the film is improved;
s3, the balls (18) at the outer ends of the grinding sheets (10) are in full contact with the film materials, the grinding effect is improved, the balls (18) and the film materials roll in a friction mode, the elastic bodies (21) in the storage grooves are taken out by the irregular lines and are fully mixed with the film materials, and therefore the toughness of the film materials is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010715943.8A CN111921616B (en) | 2020-07-23 | 2020-07-23 | High-performance extrusion device for LDPE (Low-Density polyethylene) film material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010715943.8A CN111921616B (en) | 2020-07-23 | 2020-07-23 | High-performance extrusion device for LDPE (Low-Density polyethylene) film material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111921616A CN111921616A (en) | 2020-11-13 |
| CN111921616B true CN111921616B (en) | 2022-02-01 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0931640A1 (en) * | 1998-01-23 | 1999-07-28 | KLÖCKNER DESMA SCHUHMASCHINEN GmbH | Apparatus for shotwise mixing and extruding of reaction injection molding multicomponent plastics |
| CN1715011A (en) * | 2005-07-13 | 2006-01-04 | 蒋明基 | Multipurpose cutter capable of regulating cutter head angle |
| CN203540661U (en) * | 2013-09-26 | 2014-04-16 | 武汉市精华减速机制造有限公司 | Double-screw plastic grinding extrusion machine |
| CN104494097A (en) * | 2014-11-28 | 2015-04-08 | 苏州新区佳合塑胶有限公司 | Extruding machine capable of loading material automatically |
| CN108438370A (en) * | 2018-03-13 | 2018-08-24 | 郑丽凤 | A kind of plastic bag sealer |
| CN108724528A (en) * | 2018-05-23 | 2018-11-02 | 安徽摩塔营造环境设计有限公司 | A kind of recycled plastic smelting furnace of ventilating row pressure temperature control that reinforcing safety |
| CN208377524U (en) * | 2018-05-28 | 2019-01-15 | 山东雍联新材料科技有限公司 | One kind can the bentonitic feed hopper of fine filtering |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2266532T3 (en) * | 2001-07-12 | 2007-03-01 | Cfs Slagelse A/S | DOUBLE SCREW PUMP FOR SOLID FLOW, WITH OVERLOAD PROTECTION. |
| CN105273292A (en) * | 2014-06-11 | 2016-01-27 | 中国石油化工股份有限公司 | Linear low-density polyethylene auxiliary-agent master batch and preparation method thereof |
| WO2017086275A1 (en) * | 2015-11-20 | 2017-05-26 | 旭化成株式会社 | Methacrylic resin, methacrylic resin composition, film, and production method |
| CN205148865U (en) * | 2015-11-30 | 2016-04-13 | 惠州市环美盛新材料有限公司 | A double screw extruder for production of polyethylene foam sheet |
| CN207342802U (en) * | 2017-05-12 | 2018-05-11 | 董凯 | A kind of Garden Engineering fertilizer reducing mechanism |
| CN207044468U (en) * | 2017-06-15 | 2018-02-27 | 安徽世界村新材料有限公司 | A kind of regenerating waste or used rubber gross rubber production system |
| CN209894570U (en) * | 2019-03-21 | 2020-01-03 | 河南省路嘉路桥股份有限公司 | Highway construction is dry soil for geotechnical experiments and is smashed screening plant |
| CN110541386B (en) * | 2019-09-28 | 2021-05-07 | 张亦军 | Spiral road surface equipment of opening ice |
| CN110919894A (en) * | 2019-11-07 | 2020-03-27 | 湖南工业大学 | Composite board extrusion molding device of high-filling plant fiber/polylactic acid |
-
2020
- 2020-07-23 CN CN202010715943.8A patent/CN111921616B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0931640A1 (en) * | 1998-01-23 | 1999-07-28 | KLÖCKNER DESMA SCHUHMASCHINEN GmbH | Apparatus for shotwise mixing and extruding of reaction injection molding multicomponent plastics |
| CN1715011A (en) * | 2005-07-13 | 2006-01-04 | 蒋明基 | Multipurpose cutter capable of regulating cutter head angle |
| CN203540661U (en) * | 2013-09-26 | 2014-04-16 | 武汉市精华减速机制造有限公司 | Double-screw plastic grinding extrusion machine |
| CN104494097A (en) * | 2014-11-28 | 2015-04-08 | 苏州新区佳合塑胶有限公司 | Extruding machine capable of loading material automatically |
| CN108438370A (en) * | 2018-03-13 | 2018-08-24 | 郑丽凤 | A kind of plastic bag sealer |
| CN108724528A (en) * | 2018-05-23 | 2018-11-02 | 安徽摩塔营造环境设计有限公司 | A kind of recycled plastic smelting furnace of ventilating row pressure temperature control that reinforcing safety |
| CN208377524U (en) * | 2018-05-28 | 2019-01-15 | 山东雍联新材料科技有限公司 | One kind can the bentonitic feed hopper of fine filtering |
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