CN113024921A - Preparation method of EPE environment-friendly packaging material - Google Patents

Preparation method of EPE environment-friendly packaging material Download PDF

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CN113024921A
CN113024921A CN202110169572.2A CN202110169572A CN113024921A CN 113024921 A CN113024921 A CN 113024921A CN 202110169572 A CN202110169572 A CN 202110169572A CN 113024921 A CN113024921 A CN 113024921A
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fixed
face
limiting
positioning
clamping
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不公告发明人
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/143—Halogen containing compounds
    • C08J9/147—Halogen containing compounds containing carbon and halogen atoms only
    • C08J9/148—Halogen containing compounds containing carbon and halogen atoms only perfluorinated
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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    • C08J9/0023—Use of organic additives containing oxygen
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066—Use of inorganic compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0085—Use of fibrous compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
    • C08J2203/144—Perhalogenated saturated hydrocarbons, e.g. F3C-CF3
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K13/02—Organic and inorganic ingredients
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K5/13—Phenols; Phenolates

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  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
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Abstract

The invention discloses a preparation method of an EPE environment-friendly packaging material, which comprises the following steps: a. weighing raw materials: low-density polyethylene, high-density polyethylene, bamboo charcoal powder, polyethylene wax, trichlorofluoromethane, glyceryl monostearate, wheat straw fiber, plant starch, sodium dodecyl sulfate and bisphenol A; b. crushing low-density polyethylene and high-density polyethylene, and screening plastic particles after crushing; c. placing the qualified granules obtained in the step b into a mixing roll for plasticating for 5-8min, adding bamboo charcoal powder, glyceryl monostearate, wheat straw fiber and plant starch, and continuously mixing for 10-15min, wherein the temperature is controlled at 50-70 ℃; d. and c, adding polyethylene wax, chlorofluoromethane, sodium dodecyl sulfate and bisphenol A into the mixture obtained in the step c, rotating at the rotating speed of 1500r/min until the temperature is increased to 130-150 ℃, slowly reducing the rotating speed until the temperature is reduced to below 40 ℃, uniformly adding the mixture into a single-screw extruder for continuous extrusion, and performing extrusion molding.

Description

Preparation method of EPE environment-friendly packaging material
Technical Field
The invention relates to the technical field of environment-friendly material equipment, in particular to a preparation method of an EPE environment-friendly packaging material.
Background
The polyethylene foam cotton is a non-crosslinked closed-cell structure, is also called an EPE environment-friendly packaging material, is a novel environment-friendly packaging material, and is formed by countless independent bubbles generated by physically foaming low-density polyethylene resin. Overcomes the defects of easy breakage, deformation and poor restorability of common foaming adhesive, has the advantages of water resistance, moisture resistance, shock resistance, sound insulation, heat preservation, good plasticity, strong toughness, cyclic reconstruction, environmental protection, strong impact resistance and the like, and also has good chemical resistance. The product is an ideal substitute of the traditional packaging material, and can be widely applied to the fields of automobile cushions, throw pillows, electronic appliances, instruments and meters, computers, sound equipment, medical appliances, industrial control cabinets, hardware lamp decorations, artware, glass, ceramics, household appliances, spraying, furniture and the like.
According to an invention patent of Chinese patent No. CN201910651162.4, the invention is applicable to the technical field of packaging material preparation, and provides a preparation method of an environment-friendly packaging material and a preparation device thereof, which comprises a body component and a sliding component used for fixing the packaging material, the sliding assembly comprises a fixed part, a sliding part and a servo electric cylinder, the fixed part is positioned above the object placing platform, the fixed part is welded with the box body, the sliding part is positioned on the outer side wall of the fixed part, the sliding part is connected with the fixed part in a sliding way, the servo electric cylinder is positioned on the left side of the sliding part, the output shaft of the servo electric cylinder is fixedly connected with the sliding part, the servo electric cylinder is arranged to drive the sliding part to move, so that an operator only needs to open the servo electric cylinder to control the movement distance of the sliding part, and the packaging material is limited;
according to an invention patent of Chinese patent No. CN201811117229.8, the invention discloses a device and a method for preparing an environment-friendly packaging material, comprising a pretreatment mechanism and a hot-press forming mechanism, wherein the hot-press forming mechanism is arranged on one side of the pretreatment mechanism, the pretreatment mechanism comprises a straw crushing cylinder, a rotating rod is arranged in the straw crushing cylinder, a motor is arranged at the bottom of the straw crushing cylinder, a crushing cutter is sleeved outside the rotating rod, an installation frame and a discharge port are fixedly arranged on the side surface of the straw crushing cylinder, the discharge port is arranged at the bottom of the installation frame, a softening agent output pipe and an adhesive output pipe penetrate through the installation frame, the adhesive output pipe is arranged on one side of the softening agent output pipe, the invention utilizes the pretreatment mechanism to crush and feed the straws, the straws are made into straw crushed materials mixed with a softening agent and an adhesive, and the crushed materials are hot-press formed by the, thereby the packaging material with the environmental protection function is prepared, the design is reasonable, the use is convenient, and the practicability is higher.
The existing EPE environment-friendly packaging material needs to be uniformly lifted after production or to-be-processed materials are produced, but the stability and efficiency of conveying and clamping the materials by the existing lifting mechanism are insufficient, so that a preparation method of the EPE environment-friendly packaging material is needed, and the problems in the background art are solved.
Disclosure of Invention
The invention aims to provide a preparation method of an EPE environment-friendly packaging material, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an EPE environment-friendly packaging material comprises the following raw materials in parts by weight: 70-100 parts of low-density polyethylene, 20-30 parts of high-density polyethylene, 6-10 parts of bamboo charcoal powder, 5-8 parts of polyethylene wax, 5-8 parts of trichlorofluoromethane, 2-3 parts of stearic acid monoglyceride, 4-7 parts of wheat straw fiber, 1.5-2.2 parts of plant starch, 0.8-1.6 parts of sodium dodecyl sulfate and 0.2-0.5 part of bisphenol A.
A preparation method of an EPE environment-friendly packaging material comprises the following steps:
a. weighing raw materials: low-density polyethylene, high-density polyethylene, bamboo charcoal powder, polyethylene wax, trichlorofluoromethane, glyceryl monostearate, wheat straw fiber, plant starch, sodium dodecyl sulfate and bisphenol A;
b. crushing low-density polyethylene and high-density polyethylene, and screening plastic particles after crushing;
c. placing the qualified granules obtained in the step b into a mixing roll for plasticating for 5-8min, adding bamboo charcoal powder, glyceryl monostearate, wheat straw fiber and plant starch, and continuously mixing for 10-15min, wherein the temperature is controlled at 50-70 ℃;
d. and c, adding polyethylene wax, chlorofluoromethane, sodium dodecyl sulfate and bisphenol A into the mixture obtained in the step c, rotating at the rotating speed of 1500r/min until the temperature is increased to 130-150 ℃, slowly reducing the rotating speed until the temperature is reduced to below 40 ℃, uniformly adding the mixture into a single-screw extruder for continuous extrusion, and performing extrusion molding.
Based on the formula and the process, the invention also provides a preparation device of the EPE environment-friendly packaging material, which comprises a supporting guide plate, a limiting support rod, a threaded connecting rod, a positioning clamping seat, a limiting adjusting mechanism, a fixed motor, a limiting clamping mechanism, a fixed threaded sliding block, a buffer mechanism and a limiting motor;
the side end face of the limiting support rod is symmetrically and fixedly connected with a support guide plate for supporting, a fixed joint is arranged at the center of the outer end face of the support guide plate and is provided with a fixed motor for transmission, the center of the front end face of the fixed motor is fixedly connected with a threaded connecting rod for limiting, a threaded hole is arranged at the center of the outer end face of the positioning clamping seat, guide holes for guiding are symmetrically arranged on the outer end face of the positioning clamping seat, the positioning clamping seat is in threaded connection with the threaded connecting rod through the threaded hole and is in sliding joint with the limiting support rod through the guide hole, the center of the lower end face of the positioning clamping seat is movably provided with the limiting motor for transmission, a limiting adjusting mechanism for adjusting is fixedly connected at the center of the lower end face of the positioning clamping seat, and the upper end face of the limiting adjusting mechanism is fixedly connected with the inner end face of the limiting motor, the inner end surface of the limiting adjusting mechanism is evenly and equidistantly connected with three groups of fixed threaded sliders for limiting in a threaded sliding manner, a limiting clamping mechanism for supporting is fixedly connected to the center of the bottom end surface of each fixed threaded slider, and a buffering mechanism for buffering is fixedly connected to the center of the lower end surface of the limiting adjusting mechanism;
the limiting and adjusting mechanism comprises a positioning threaded rod, a clamping transmission gear, a guide sliding rail, a supporting and clamping seat, a positioning installation groove, a fixed guide gear, a fixed sliding groove, a limiting connection bottom plate and a motor installation groove;
a clamping transmission gear for transmission is rotatably clamped at the center of the inner end surface of the supporting clamping seat, three groups of guide slide rails for supporting are fixedly connected on the lower end surface of the support clamping seat at equal intervals, a positioning threaded rod for limiting is rotationally clamped on the inner end surface of each guide slide rail, and the end of the positioning threaded rod is fixedly connected with a fixed guide gear for transmission, the fixed guide gear is engaged and rotationally connected with the outer end face of the clamping transmission gear, a limiting connection bottom plate for limiting is fixedly arranged at the center of the lower end face of the guide slide rail, and the outer end surface of the limit connecting bottom plate is provided with a fixed chute for guiding up and down, a positioning installation groove for connection is formed in the position, close to the end head, of the inner end face of the limiting connection bottom plate, and a motor installation groove for installation is formed in the center of the upper end face of the supporting clamping seat;
the limiting and clamping mechanism comprises a limiting and mounting plate, a fixed clamping plate, a first spring clamping shaft and a clamping and supporting plate;
the center of the lower end face of the limiting mounting plate is fixedly connected with a clamping support plate for supporting, two groups of first spring clamp shafts are uniformly and symmetrically and fixedly connected to the end head of the side end face of the clamping support plate in an equidistant mode, and the side end face of the clamping support plate is elastically and fixedly connected with a fixed clamping plate through the first spring clamp shafts;
the buffer mechanism comprises an installation connecting bottom plate, a rubber protection plate, a positioning telescopic rod, a supporting spring and an installation guide plate;
the lower end face of the installation connecting bottom plate is uniformly and equidistantly fixedly connected with three groups of installation guide plates which are arranged in an annular mode, the centers of the outer end faces of the installation guide plates are fixedly connected with positioning telescopic rods for supporting, the ends of the outer end faces of the positioning telescopic rods are fixedly connected with rubber protection plates for blocking, and two groups of supporting springs for buffering are uniformly and equidistantly symmetrically and fixedly connected between the rubber protection plates and the installation guide plates;
first spring card axle is including the sleeve that is used for supporting, the slip joint at the inside push rod of sleeve and be used for the spacing spring of connecting sleeve and push rod, motor mounting groove and spacing motor looks adaptation, just spacing motor's bottom face carries out fixed connection through motor mounting groove and spacing adjustment mechanism, fixed screw slider is including being used for supporting the fixture block, seting up the thread groove and the locating plate of fixed connection terminal surface center department under the piece in the terminal surface center department outside the fixture block.
Preferably; the positioning installation groove is matched with the installation connecting bottom plate, and the buffer mechanism is matched with the installation connecting bottom plate through the positioning installation groove and then is fixedly connected to the lower end face of the limiting adjusting mechanism.
Preferably; the positioning plate is matched with the fixed sliding groove, and the fixed threaded sliding block is matched with the fixed sliding groove through the positioning plate and is further connected with the inner end face of the limiting adjusting mechanism in a sliding and clamping mode.
Preferably; the front end face end of the positioning threaded rod is fixedly provided with a rotating clamping shaft, and the positioning threaded rod is rotatably clamped on the inner end face of the guide slide rail through the rotating clamping shaft.
Preferably; the positioning telescopic rod comprises a fixed cylinder for limiting and a rod body which is connected inside the fixed cylinder in a sliding and clamping mode.
Preferably; and the positioning threaded rod is matched with a thread groove in the fixed thread sliding block.
Preferably; the fixed thread sliding block is matched with the positioning threaded rod through a thread groove and then is in threaded connection with the inner end face of the guide sliding rail.
Preferably; the inner end face of the clamping support plate is symmetrically and fixedly connected with two groups of second spring clamp shafts at equal intervals, the connecting baffle is fixedly arranged on the bottom end face of the fixed clamping plate, and the outer end face of the fixed clamping plate is provided with limiting fixing grooves at equal intervals.
Compared with the prior art, the invention has the beneficial effects that:
according to the preparation method of the EPE environment-friendly packaging material, the limiting adjusting mechanism is arranged, the limiting motor can provide enough power for the limiting adjusting mechanism, so that the limiting adjusting mechanism can simultaneously drive the three groups of positioning threaded rods to rotate through the internal clamping transmission gear, the utilization efficiency of the power is effectively improved, and meanwhile, the positioning threaded rods can simultaneously drive the three groups of limiting clamping mechanisms to perform centripetal displacement, so that the stability of subsequent limiting and clamping of the EPE environment-friendly material is effectively improved, and the efficiency of subsequent preparation of the EPE environment-friendly material is improved.
According to the preparation method of the EPE environment-friendly packaging material, provided by the invention, through the arrangement of the limiting clamping mechanism and the buffering mechanism, when the EPE environment-friendly material is clamped and positioned, the four groups of first spring clamp shafts can provide enough buffering capacity, excessive deformation of the material caused by excessive subsequent clamping force can be prevented, the stability of protecting the material is improved, and meanwhile, the buffering mechanism can buffer and protect the outside of the limiting clamping mechanism, so that the service life of the whole device is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the preparation process of the EPE environment-friendly packaging material of the invention;
FIG. 2 is a schematic view of the main structure of the present invention;
FIG. 3 is a side view of the body of the present invention;
FIG. 4 is a front view of the body of the present invention;
FIG. 5 is a cross-sectional view taken along the main body elevation A-A of the present invention;
FIG. 6 is an enlarged view of a portion of the main body I of the present invention;
FIG. 7 is a schematic structural view of a limit adjusting mechanism of the present invention;
FIG. 8 is a side view of a spacing adjustment mechanism of the present invention;
FIG. 9 is a schematic structural view of a spacing and clamping mechanism of the present invention;
FIG. 10 is a schematic view of a buffering mechanism according to the present invention;
fig. 11 is a schematic structural view of a spacing and clamping mechanism according to a second embodiment of the invention.
In the figure: 1-supporting guide plate, 2-limiting support rod, 3-threaded connecting rod, 4-positioning clamping seat, 5-limiting adjusting mechanism, 6-fixed motor, 7-limiting clamping mechanism, 8-fixed threaded slide block, 9-buffer mechanism, 10-limiting motor, 51-positioning threaded rod, 52-clamping transmission gear, 53-guiding slide rail, 54-supporting clamping seat, 55-positioning installation groove, 56-fixed guide gear, 57-fixed slide groove, 58-limiting connecting bottom plate, 59-motor installation groove, 71-limiting installation plate, 72-fixed clamping plate, 73-first spring clamping shaft, 74-clamping support plate, 75-limiting fixing groove, 76-connecting baffle plate, 77-second spring clamping shaft, and the like, 91-mounting a connecting bottom plate, 92-a rubber protection plate, 93-a positioning telescopic rod, 94-a supporting spring and 95-a mounting guide plate.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is further described below with reference to the accompanying drawings.
Example 1
An EPE environment-friendly packaging material comprises the following raw materials in parts by weight: 80 parts of low-density polyethylene, 25 parts of high-density polyethylene, 7 parts of bamboo charcoal powder, 6 parts of polyethylene wax, 7 parts of trichlorofluoromethane, 2 parts of glycerol monostearate, 5 parts of wheat straw fiber, 1.8 parts of plant starch, 1.2 parts of sodium dodecyl sulfate and 0.4 part of bisphenol A.
A preparation method of an EPE environment-friendly packaging material is shown in figure 1 and comprises the following steps:
a. weighing raw materials: low-density polyethylene, high-density polyethylene, bamboo charcoal powder, polyethylene wax, trichlorofluoromethane, glyceryl monostearate, wheat straw fiber, plant starch, sodium dodecyl sulfate and bisphenol A;
b. crushing low-density polyethylene and high-density polyethylene, and screening plastic particles after crushing;
c. placing the qualified granules obtained in the step b into a mixing roll for plasticating for 6min, adding bamboo charcoal powder, glyceryl monostearate, wheat straw fiber and plant starch, and continuing mixing for 13min, wherein the temperature is controlled at 60 ℃;
d. and c, adding polyethylene wax, chlorofluoromethane, sodium dodecyl sulfate and bisphenol A into the mixture obtained in the step c, rotating at the rotating speed of 1500r/min until the temperature rises to 140 ℃, slowly reducing the rotating speed until the temperature drops below 40 ℃, uniformly adding the mixture into a single-screw extruder for continuous extrusion, and carrying out extrusion molding.
Based on the above formula and process, as shown in fig. 2, 3, 4, 5 and 6, a first embodiment of the present invention: the invention also provides a preparation device of the EPE environment-friendly packaging material, which comprises a supporting guide plate 1, a limiting support rod 2, a threaded connecting rod 3, a positioning clamping seat 4, a limiting adjusting mechanism 5, a fixed motor 6, a limiting clamping mechanism 7, a fixed threaded sliding block 8, a buffer mechanism 9 and a limiting motor 10;
the side end face of the limit supporting rod 2 is symmetrically and fixedly connected with a supporting guide plate 1 for supporting, a fixed motor 6 for driving is fixedly clamped at the center of the outer end face of the supporting guide plate 1, a threaded connecting rod 3 for limiting is fixedly connected at the center of the front end face of the fixed motor 6, a threaded hole is formed at the center of the outer end face of the positioning clamping seat 4, guide holes for guiding are symmetrically formed in the outer end face of the positioning clamping seat 4, the positioning clamping seat 4 is in threaded connection with the threaded connecting rod 3 through the threaded hole, the positioning clamping seat 4 is in sliding clamping connection with the limit supporting rod 2 through the guide hole, a limit motor 10 for driving is movably mounted at the center of the lower end face of the positioning clamping seat 4, a limit adjusting mechanism 5 for adjusting is fixedly connected at the center of the lower end face of the positioning clamping seat 4, and the upper end face of the limit adjusting mechanism 5 is fixedly connected with the inner end face of the limit motor 10, the inner end face of the limiting adjusting mechanism 5 is in uniform equidistant threaded sliding clamping connection with three groups of fixed threaded sliders 8 for limiting, a limiting clamping mechanism 7 for supporting is fixedly connected to the center of the bottom end face of each fixed threaded slider 8, and a buffering mechanism 9 for buffering is fixedly connected to the center of the lower end face of the limiting adjusting mechanism 5;
as shown in fig. 7 and 8, the limit adjusting mechanism 5 includes a positioning threaded rod 51, a clamping transmission gear 52, a guide sliding rail 53, a support clamping seat 54, a positioning installation groove 55, a fixed guide gear 56, a fixed sliding groove 57, a limit connecting bottom plate 58 and a motor installation groove 59;
a clamping transmission gear 52 for transmission is rotationally clamped at the center of the inner end surface of the supporting clamping seat 54, three groups of guide slide rails 53 for supporting are fixedly connected on the lower end surface of the support clamping seat 54 at equal intervals, a positioning threaded rod 51 for limiting is rotationally clamped on the inner end surface of each guide slide rail 53, a fixed guide gear 56 for transmission is fixedly connected at the end of the positioning threaded rod 51, the fixed guide gear 56 is in meshing rotary connection with the outer end face of the clamping transmission gear 52, a limiting connection bottom plate 58 for limiting is fixedly arranged at the center of the lower end face of the guide slide rail 53, the outer end surface of the limiting connection bottom plate 58 is provided with a fixed sliding chute 57 for guiding up and down in a penetrating way, the inner end surface of the limiting connection bottom plate 58 is provided with a positioning installation groove 55 for connection close to the end head, and the center of the upper end surface of the supporting clamping seat 54 is provided with a motor installation groove 59 for installation;
as shown in fig. 9, the spacing and clamping mechanism 7 includes a spacing mounting plate 71, a fixed clamping plate 72, a first spring clamp shaft 73 and a clamping support plate 74;
the center of the lower end face of the limiting mounting plate 71 is fixedly connected with a clamping support plate 74 for supporting, two groups of first spring clamp shafts 73 are uniformly, equidistantly and symmetrically and fixedly connected to the end of the side end face of the clamping support plate 74, and the side end face of the clamping support plate 74 is elastically and fixedly connected with a fixed clamping plate 72 through the first spring clamp shafts 73;
as shown in fig. 10, the buffer mechanism 9 includes a mounting connection base plate 91, a rubber protection plate 92, a positioning telescopic rod 93, a support spring 94 and a mounting guide plate 95;
the lower end face of the installation and connection bottom plate 91 is uniformly and equidistantly fixedly connected with three groups of installation guide plates 95 which are annularly arranged, the centers of the outer end faces of the installation guide plates 95 are fixedly connected with positioning telescopic rods 93 for supporting, the outer end faces of the positioning telescopic rods 93 are fixedly connected with rubber protection plates 92 for blocking, and two groups of supporting springs 94 for buffering are uniformly and equidistantly symmetrically and fixedly connected between the rubber protection plates 92 and the installation guide plates 95;
as shown in fig. 9 and 10, the first spring clamp shaft 73 includes a sleeve for supporting, a push rod slidably clamped inside the sleeve, and a limit spring for connecting the sleeve and the push rod, the motor mounting groove 59 is adapted to the limit motor 10, and the bottom end surface of the limit motor 10 is fixedly connected to the limit adjusting mechanism 5 through the motor mounting groove 59, the fixed threaded slider 8 includes a threaded groove for supporting the clamp block, which is opened at the center of the outer end surface of the clamp block, and a positioning plate fixedly connected to the center of the lower end surface of the block, the positioning mounting groove 55 is adapted to the installation connection bottom plate 91, and the buffer mechanism 9 is adapted to the installation connection bottom plate 91 through the positioning mounting groove 55 and is further fixedly connected to the lower end surface of the limit adjusting mechanism 5, the positioning plate is adapted to the fixed sliding groove 57, and the fixed threaded slider 8 is adapted to the fixed sliding groove 57 through the positioning plate and is further slidably, fixed mounting of positioning threaded rod 51's preceding terminal surface end department has the rotation card axle, and positioning threaded rod 51 rotates the joint at the interior terminal surface of direction slide rail 53 through rotating the card axle, and positioning telescopic rod 93 is including being used for spacing fixed cylinder and the inside body of rod of slip joint at fixed cylinder, positioning threaded rod 51 and the inside thread groove looks adaptation of fixed thread slider 8, and fixed thread slider 8 passes through the thread groove and positioning threaded rod 51 looks adaptation and then threaded connection at the interior terminal surface of direction slide rail 53.
The using process of the embodiment is as follows: if the production raw material needs to be rapidly clamped and conveyed, a user can start the fixed motor 6 through the external control mechanism, the fixed motor 6 can drive the threaded connecting rod 3 to rapidly rotate, when the threaded connecting rod 3 rotates, the threaded connecting rod 3 can drive the positioning clamping seat 4 to precisely perform threaded displacement outside the limiting support rod 2 through the threaded hole, further the specific position of the positioning clamping seat 4 outside the limiting support rod 2 is adjusted, when the positioning clamping seat 4 displaces outside the limiting support rod 2 to the upper part of the raw material to be processed, the plurality of groups of fixed threaded sliding blocks 8 and the middle part of the guide sliding rail 53 are arranged at the moment, further the raw material is clamped by the subsequent limiting clamping mechanism 7, enough limiting space is reserved, when clamping is performed, the user can start the limiting motor 10 through the external control mechanism, and the limiting motor 10 can drive the clamping transmission gear 52 to rotate, and then the clamping transmission gear 52 can drive the three groups of fixed guide gears 56 to rotate simultaneously, the fixed guide gears 56 can drive the positioning threaded rod 51 to rotate, when the positioning threaded rod 51 rotates, the positioning threaded rod 51 can pass through the thread groove inside the fixed thread slider 8 and simultaneously drive the three groups of fixed thread sliders 8 to perform centripetal displacement, at the moment, when the fixed thread sliders 8 perform centripetal displacement, the three groups of limiting clamping mechanisms 7 can be driven to perform centripetal displacement simultaneously, so that the fixed clamping plate 72 can perform stable clamping operation on the environment-friendly material to be processed, meanwhile, when the limiting clamping mechanisms 7 displace to the limit position, the three groups of rubber protection plates 92 outside the mounting connection bottom plate 91 can be jacked to the outside of the limiting clamping mechanisms 7, at the moment, the positioning telescopic rod 93 can be contracted, and simultaneously, the four groups of external support springs 94 can buffer the rubber protection plates 92, the buffering operation is completed.
In the use, joint drive gear 52 can drive three fixed guide gear 56 of group simultaneously and rotate to improve fixed guide gear 56 and carry out pivoted stability, effectively improved the efficiency that utilizes power simultaneously, when carrying out the centre gripping, four group's supporting spring 94 can provide sufficient power for rubber protection plate 92, thereby improve follow-up efficiency of protecting spacing fixture 7.
Example 2
On the basis of embodiment 1, as shown in fig. 11, two sets of second spring clip shafts 77 are symmetrically and uniformly connected to the inner end surface of the clamping support plate 74 at equal intervals, a connecting baffle 76 is fixedly installed on the bottom end surface of the fixed clamping plate 72, and limit fixing slots 75 for limiting are uniformly and uniformly opened on the outer end surface of the fixed clamping plate 72 at equal intervals.
This embodiment is when using, and four sets of second spring card axles 77 can carry out elastic support to the bottom of centre gripping backup pad 74, have improved the barrier propterty that carries out the centre gripping to the raw materials, and fixed grip block 72 outside spacing fixed slot 75 and connection baffle 76 can improve the follow-up stability of carrying out spacing centre gripping to the raw materials simultaneously.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The EPE environment-friendly packaging material is characterized by comprising the following raw materials in parts by weight: 70-100 parts of low-density polyethylene, 20-30 parts of high-density polyethylene, 6-10 parts of bamboo charcoal powder, 5-8 parts of polyethylene wax, 5-8 parts of trichlorofluoromethane, 2-3 parts of stearic acid monoglyceride, 4-7 parts of wheat straw fiber, 1.5-2.2 parts of plant starch, 0.8-1.6 parts of sodium dodecyl sulfate and 0.2-0.5 part of bisphenol A.
2. The preparation method of the EPE environment-friendly packaging material as claimed in claim 1, which is characterized by comprising the following steps:
a. weighing raw materials: low-density polyethylene, high-density polyethylene, bamboo charcoal powder, polyethylene wax, trichlorofluoromethane, glyceryl monostearate, wheat straw fiber, plant starch, sodium dodecyl sulfate and bisphenol A;
b. crushing low-density polyethylene and high-density polyethylene, and screening plastic particles after crushing;
c. placing the qualified granules obtained in the step b into a mixing roll for plasticating for 5-8min, adding bamboo charcoal powder, glyceryl monostearate, wheat straw fiber and plant starch, and continuously mixing for 10-15min, wherein the temperature is controlled at 50-70 ℃;
d. and c, adding polyethylene wax, chlorofluoromethane, sodium dodecyl sulfate and bisphenol A into the mixture obtained in the step c, rotating at the rotating speed of 1500r/min until the temperature is increased to 130-150 ℃, slowly reducing the rotating speed until the temperature is reduced to below 40 ℃, uniformly adding the mixture into a single-screw extruder for continuous extrusion, and performing extrusion molding.
3. The apparatus for preparing EPE environment-friendly packaging material according to claim 1, characterized in that: the device comprises a supporting guide plate (1), a limiting support rod (2), a threaded connecting rod (3), a positioning clamping seat (4), a limiting adjusting mechanism (5), a fixed motor (6), a limiting clamping mechanism (7), a fixed threaded sliding block (8), a buffer mechanism (9) and a limiting motor (10);
the side end face of the limiting support rod (2) is symmetrically and fixedly connected with a support guide plate (1) for supporting, a fixed joint is arranged at the center of the outer end face of the support guide plate (1) and is fixedly connected with a fixed motor (6) for driving, the center of the front end face of the fixed motor (6) is fixedly connected with a threaded connecting rod (3) for limiting, a threaded hole is formed in the center of the outer end face of the positioning clamping seat (4), guide holes for guiding are symmetrically formed in the outer end face of the positioning clamping seat (4), the positioning clamping seat (4) is in threaded connection with the threaded connecting rod (3) through the threaded hole, the positioning clamping seat (4) is in sliding clamping connection with the limiting support rod (2) through the guide holes, and a limiting motor (10) for driving is movably mounted at the center of the lower end face of the positioning clamping seat (4), a limiting adjusting mechanism (5) for adjustment is fixedly connected to the center of the lower end face of the positioning clamping seat (4), the upper end face of the limiting adjusting mechanism (5) is fixedly connected with the inner end face of a limiting motor (10), the inner end face of the limiting adjusting mechanism (5) is in uniform equidistant threaded sliding clamping connection with three groups of fixed threaded sliders (8) for limiting, a limiting clamping mechanism (7) for supporting is fixedly connected to the center of the bottom end face of each fixed threaded slider (8), and a buffering mechanism (9) for buffering is fixedly connected to the center of the lower end face of the limiting adjusting mechanism (5);
the limiting and adjusting mechanism (5) comprises a positioning threaded rod (51), a clamping transmission gear (52), a guide sliding rail (53), a supporting clamping seat (54), a positioning installation groove (55), a fixed guide gear (56), a fixed sliding groove (57), a limiting connection bottom plate (58) and a motor installation groove (59);
support the even equidistance fixedly connected with three groups of direction slide rail (53) that are used for supporting of lower terminal surface of joint seat (54), the interior terminal surface of direction slide rail (53) rotates the joint and has and is used for spacing positioning threaded rod (51), and is located the end fixedly connected with of positioning threaded rod (51) is used for driven fixed guide gear (56), fixed guide gear (56) meshes with the outer terminal surface of joint drive gear (52) and rotates the connection, the lower terminal surface center department fixed mounting of direction slide rail (53) has spacing connection bottom plate (58) that is used for spacing, and is located the outer terminal surface of spacing connection bottom plate (58) link up and offers fixed spout (57) that are used for the direction from top to bottom, the location mounting groove(s) (a), (b) that are used for connecting is offered near end department to the interior terminal surface of spacing connection bottom plate (58) 55) A motor mounting groove (59) for mounting is formed in the center of the upper end face of the supporting clamping seat (54);
the limiting and clamping mechanism (7) comprises a limiting and mounting plate (71), a fixed clamping plate (72), a first spring clamp shaft (73) and a clamping and supporting plate (74);
the center of the lower end face of the limiting mounting plate (71) is fixedly connected with a clamping support plate (74) for supporting, two groups of first spring clamp shafts (73) are uniformly, equidistantly and symmetrically and fixedly connected to the end of the side end face of the clamping support plate (74), and the side end face of the clamping support plate (74) is elastically and fixedly connected with a fixed clamping plate (72) through the first spring clamp shafts (73);
the buffer mechanism (9) comprises an installation connecting bottom plate (91), a rubber protection plate (92), a positioning telescopic rod (93), a supporting spring (94) and an installation guide plate (95);
the lower end face of the installation connecting bottom plate (91) is uniformly and equidistantly fixedly connected with three groups of installation guide plates (95) which are arranged in an annular mode, the center of the outer end face of each installation guide plate (95) is fixedly connected with a positioning telescopic rod (93) used for supporting, the end head of the outer end face of each positioning telescopic rod (93) is fixedly connected with a rubber protection plate (92) used for blocking, and two groups of supporting springs (94) used for buffering are uniformly, equidistantly, symmetrically and fixedly connected between the rubber protection plate (92) and the installation guide plates (95);
first spring card axle (73) including the sleeve that is used for supporting, the slip joint at the inside push rod of sleeve and be used for the spacing spring of connecting sleeve and push rod, motor mounting groove (59) and spacing motor (10) looks adaptation, just the bottom face of spacing motor (10) carries out fixed connection through motor mounting groove (59) and spacing adjustment mechanism (5), fixed screw slider (8) are including being used for supporting the fixture block, seting up the thread groove and the locating plate of fixed connection in the center of the terminal surface under the piece department of the outer terminal surface of fixture block center.
4. The EPE environment-friendly packaging material preparation device according to claim 3, characterized in that: positioning installation groove (55) and erection joint bottom plate (91) looks adaptation, just buffer gear (9) are through positioning installation groove (55) and erection joint bottom plate (91) looks adaptation and then fixed connection at the lower terminal surface of spacing adjustment mechanism (5).
5. The EPE environment-friendly packaging material preparation device according to claim 4, characterized in that: the positioning plate is matched with the fixed sliding groove (57), and the fixed threaded sliding block (8) is matched with the fixed sliding groove (57) through the positioning plate and then is in sliding clamping connection with the inner end face of the limiting adjusting mechanism (5).
6. The EPE environment-friendly packaging material preparation device according to claim 5, characterized in that: the front end face end of the positioning threaded rod (51) is fixedly provided with a rotating clamping shaft, and the positioning threaded rod (51) is rotatably clamped on the inner end face of the guide sliding rail (53) through the rotating clamping shaft.
7. The EPE environment-friendly packaging material preparation device according to claim 6, characterized in that: the positioning telescopic rod (93) comprises a fixed cylinder for limiting and a rod body which is connected inside the fixed cylinder in a sliding and clamping mode.
8. The EPE environment-friendly packaging material preparation device according to claim 7, characterized in that: the positioning threaded rod (51) is matched with a thread groove in the fixed thread sliding block (8).
9. The EPE environment-friendly packaging material preparation device according to claim 8, characterized in that: the fixed thread sliding block (8) is matched with the positioning threaded rod (51) through a threaded groove and then is in threaded connection with the inner end face of the guide sliding rail (53).
10. The EPE environment-friendly packaging material preparation device according to claim 3, characterized in that: the even equidistance symmetry fixedly connected with two sets of second spring card axle (77) of inner terminal surface of centre gripping backup pad (74), and be located the bottom face fixed mounting of fixed grip block (72) has connection baffle (76), the even equidistance of outer terminal surface of fixed grip block (72) is seted up and is used for spacing fixed slot (75).
CN202110169572.2A 2021-02-07 2021-02-07 Preparation method of EPE environment-friendly packaging material Pending CN113024921A (en)

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