CN113024967A - Preparation method of antibacterial polyvinyl chloride plastic - Google Patents
Preparation method of antibacterial polyvinyl chloride plastic Download PDFInfo
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- CN113024967A CN113024967A CN202110185995.3A CN202110185995A CN113024967A CN 113024967 A CN113024967 A CN 113024967A CN 202110185995 A CN202110185995 A CN 202110185995A CN 113024967 A CN113024967 A CN 113024967A
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- fixedly connected
- polyvinyl chloride
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- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 63
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 63
- 229920003023 plastic Polymers 0.000 title claims abstract description 45
- 239000004033 plastic Substances 0.000 title claims abstract description 45
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 76
- 238000002156 mixing Methods 0.000 claims abstract description 24
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 11
- 239000011777 magnesium Substances 0.000 claims abstract description 11
- 239000011701 zinc Substances 0.000 claims abstract description 11
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 11
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 8
- 238000005303 weighing Methods 0.000 claims abstract description 8
- 235000013873 oxidized polyethylene wax Nutrition 0.000 claims abstract description 7
- 239000004209 oxidized polyethylene wax Substances 0.000 claims abstract description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 239000004615 ingredient Substances 0.000 claims abstract description 4
- 239000000155 melt Substances 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 48
- 238000011068 loading method Methods 0.000 claims description 26
- 230000000670 limiting effect Effects 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 21
- 238000011084 recovery Methods 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 16
- 230000009194 climbing Effects 0.000 claims description 11
- 230000001502 supplementing effect Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 239000003242 anti bacterial agent Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000228245 Aspergillus niger Species 0.000 description 1
- 241001465318 Aspergillus terreus Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000222122 Candida albicans Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000228143 Penicillium Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229940095731 candida albicans Drugs 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a preparation method of antibacterial polyvinyl chloride plastic, which comprises the following steps: s1, weighing raw materials: weighing polyvinyl chloride resin powder, zinc trimellitate, zinc stearate, polyethylene oxide wax, antimony trioxide, bisphenol A and magnesium titanate; s2, mixing ingredients: adding polyvinyl chloride resin powder into a mixing roll, starting the mixing roll to preheat, then adding zinc trimellitate and zinc stearate, continuing heating, mixing, heating to 85-95 ℃, adding oxidized polyethylene wax, antimony trioxide, bisphenol A and magnesium titanate, heating to 110-140 ℃, setting the rotating speed of the mixing roll at 1400r/min, and mixing at a high speed to obtain a mixed material; s3, extrusion molding: putting the mixed material obtained in the step S2 into a hopper of a double-screw extruder, injecting the mixed material by rotating a screw, and then sequentially passing through three sections of the double-screw extruder: a conveying area, a material plasticizing area and a melt conveying area, and preliminarily melting, plasticizing and conveying to obtain a completely plasticized material.
Description
Technical Field
The invention relates to the technical field of polyvinyl chloride equipment, in particular to a preparation method of antibacterial polyvinyl chloride plastic.
Background
According to Chinese patent No. CN101580617B, the invention discloses an antibacterial polyvinyl chloride plastic and a preparation method thereof. The antibacterial polyvinyl chloride plastic comprises a polyvinyl chloride resin matrix, a plastic additive and a nano titanium dioxide photocatalyst assembled on the surface of the polyvinyl chloride resin matrix, and is characterized in that the nano titanium dioxide photocatalyst is doped with inorganic non-metallic anions. The nano antibacterial polyvinyl chloride plastic disclosed by the invention is nontoxic, has high antibacterial, bacteriostatic, mildew-proof and antifouling functions under the condition of visible light irradiation, has very strong mildew-proof performance on fungi such as aspergillus niger, aspergillus terreus, penicillium ochraceum and the like, the mildew-proof grade reaches 0, and the killing rate on escherichia coli, candida albicans, staphylococcus aureus, gram bacteria and the like is more than 91%.
The invention relates to an antibacterial polyvinyl chloride material and a preparation method thereof according to Chinese patent number CN 106496840A. The antibacterial polyvinyl chloride material is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride, 2-5 parts of stabilizer, 0.2-0.8 part of lubricant, 1-5 parts of compatilizer, 0.4-1.5 parts of coupling agent, 2-8 parts of plasticizer, 0.5-4 parts of organic antibacterial agent and 8-25 parts of inorganic antibacterial agent. The invention fully considers the material characteristics of the polyvinyl chloride in the formula design, adopts the plasticizer with antibacterial effect, and improves the antibacterial effect of the material while maintaining the mechanical property of the polyvinyl chloride material by matching with the organic antibacterial agent and the inorganic antibacterial agent.
Polyvinyl chloride plastics are polymerized from vinyl chloride monomer, and are one of the commonly used thermoplastic plastics, and its trade name is "chloro plastics", abbreviated as PVC in english, pure polyvinyl chloride resin is a hard thermoplastic substance, its decomposition temperature is very close to plasticizing temperature, and its mechanical strength is poor, so that it is impossible to use polyvinyl chloride resin to mold products, and it is necessary to add plasticizer, stabilizer, filler, etc. to improve the performance, and make polyvinyl chloride plastics, and then to process them into various products, and polyvinyl chloride is divided into hard polyvinyl chloride and soft polyvinyl chloride according to the amount of plasticizer added, but there are still some problems in the production of polyvinyl chloride, for example:
the phenomenon that intermittent production setting is inconvenient to carry out exists, certain material waste is caused, and meanwhile, feeding work is inconvenient to carry out, so that the productivity is reduced, and therefore, the preparation method of the antibacterial polyvinyl chloride plastic is urgently needed to improve the problems.
Disclosure of Invention
The invention aims to provide a preparation method of antibacterial polyvinyl chloride plastic, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an antibacterial polyvinyl chloride plastic comprises the following components in parts by weight: 80-120 parts of polyvinyl chloride resin, 20-25 parts of zinc trimellitate, 5-10 parts of zinc stearate, 1.2-1.8 parts of oxidized polyethylene wax, 1-3 parts of antimony trioxide, 1-3 parts of bisphenol A and 0.5-0.8 part of magnesium titanate.
A preparation method of antibacterial polyvinyl chloride plastic comprises the following steps:
s1, weighing raw materials: weighing polyvinyl chloride resin powder, zinc trimellitate, zinc stearate, polyethylene oxide wax, antimony trioxide, bisphenol A and magnesium titanate;
s2, mixing ingredients: adding polyvinyl chloride resin powder into a mixing roll, starting the mixing roll to preheat, then adding zinc trimellitate and zinc stearate, continuing heating, mixing, heating to 85-95 ℃, adding oxidized polyethylene wax, antimony trioxide, bisphenol A and magnesium titanate, heating to 110-140 ℃, setting the rotating speed of the mixing roll at 1400r/min, and mixing at a high speed to obtain a mixed material;
s3, extrusion molding: putting the mixed material obtained in the step S2 into a hopper of a double-screw extruder, injecting the mixed material by rotating a screw, and then sequentially passing through three sections of the double-screw extruder: a conveying area, a material plasticizing area and a melt conveying area, and preliminarily melting, plasticizing and conveying to obtain a completely plasticized material;
and S4, sequentially carrying out grain cutting, air cooling, sieving and cooling on the material plasticized in the step S3 to finally obtain the antibacterial polyvinyl chloride plastic product.
Based on the formula and the process, the invention also provides a preparation device of the antibacterial polyvinyl chloride plastic, which comprises a protective fixed bottom plate, wherein a fixed supporting side plate is fixedly connected to the side end of the protective fixed bottom plate, an anti-skidding fixed climbing ladder is fixedly connected to the side end of the fixed supporting side plate, a rotary distribution group is fixedly connected to the top end of the fixed supporting side plate, and an intermittent supplementing device is fixedly connected to the bottom end of the rotary distribution group;
the rotary distribution group comprises a fixed recovery device, a poking material guide device, a clamping type material receiving groove, a fixed loading cavity and a connecting support plate, wherein the clamping type material receiving groove is fixedly connected to the top end of the fixed loading cavity;
the material shifting and guiding device comprises a first rotating gear, a transmission belt, a rotating anti-blocking rod, a fixed supporting shaft, a rotating fixed baffle, a second rotating gear, a first motor and a transmission gear, wherein the second rotating gear is fixedly connected to the top end of the first motor, the first rotating gear is meshed with the side end of the second rotating gear, the rotating anti-blocking rod is fixedly connected to the bottom end of the first rotating gear, the transmission gear is fixedly connected to the top ends of the rotating anti-blocking rod and the fixed supporting shaft, the transmission belt is meshed with the outer ring of the transmission gear, and the rotating fixed baffle is fixedly connected to the bottom end of the fixed supporting shaft;
the fixed recovery device comprises a recovery guide pipe, an air suction pump and a material receiving guide disc, wherein one end of the recovery guide pipe is fixedly connected to the side end of the air suction pump, and the other end of the recovery guide pipe is fixedly connected to one end of the bottom of the material receiving guide disc;
the intermittent supplementing device comprises a conveying guide pipe, a material conveying fixed guide rod, a transmission semicircular gear, a fixed limiting clamp key, a rotating limiting disc and a second motor, wherein the rotating limiting disc is fixedly connected to the center of the side end of the second motor, the fixed limiting clamp key is fixedly connected to one end of the side surface of the rotating limiting disc, the transmission semicircular gear is sleeved on the fixed limiting clamp key in a sliding mode, one end of the material conveying fixed guide rod is meshed with the top end of the transmission semicircular gear, and the other end of the material conveying fixed guide rod is inserted in the inner center of the conveying guide pipe in a sliding mode;
the protective fixed bottom plate comprises a fixed chute base, a forming die and a protective grid baffle, the forming die is inserted on the side end of the fixed chute base in a sliding mode, the protective grid baffle is inserted on the other side of the fixed chute base in a sliding mode, and the interior of the protective grid baffle is arranged in a hollow state;
the anti-skid fixed climbing ladder comprises a fixed supporting platform, hand fixing rods and a supporting stepping ladder, wherein the fixed supporting platform is fixedly connected to the top of the side end of the supporting stepping ladder;
the fixed bolster curb plate is including bearing fixed slot, anti-skidding fixed strip and support fixed plate, bear the fixed slot and set up at the top center of support fixed plate, anti-skidding fixed strip symmetry equidistance fixed connection is inside one side of support fixed plate, just the material of anti-skidding fixed strip is the plastic.
Preferably, a fastening screw is inserted into the side end of the guard grid baffle in a threaded manner.
Preferably, the bottom end of the protective grid baffle is symmetrically and fixedly connected with sliding clamping keys, and a sliding groove matched with the sliding clamping keys is formed in one end of the top of the fixed sliding groove base.
Preferably, one end of the material conveying fixed guide rod is fixedly connected with a rack matched with the transmission semicircular gear, and the other end of the material conveying fixed guide rod is arranged in a circular arc shape.
Preferably, a limit support inserted rod is fixedly connected to the side end of the transmission semicircular gear.
Preferably, the inside of the material receiving guide disc is arranged in a hollow state, and an open groove is formed in the side end of the inside of the material receiving guide disc.
Preferably, the rotary fixed baffle plate is overlapped with the bottom end of the fixed loading cavity when rotating for one half of a circle.
Preferably, the fixed support side plate further comprises a rotary sealing plate and a limiting bolt, the rotary sealing plate is rotatably connected to the top of the side end of the support fixing plate, and the limiting bolt is inserted into the top end of one side of the support fixing plate in a sliding mode.
Compared with the prior art, the invention has the beneficial effects that:
the invention can realize the loading of certain amount of polyvinyl chloride particles in the rotary distribution group by installing the rotary distribution group, can prevent the polyvinyl chloride particles from being blocked during the transmission by the special structure of the rotary distribution group, and can ensure that the polyvinyl chloride particles in the rotary distribution group can flow into the intermittent supplementing device by the communication between the rotary distribution group and the intermittent supplementing device, thereby realizing the transmission work of the polyvinyl chloride particles.
The anti-skidding fixed climbing ladder is installed, the inner part of the anti-skidding fixed climbing ladder extends upwards in a ladder shape, so that personnel can conveniently move up and down, the anti-skidding fixed climbing ladder is fixedly connected to the side ends of the fixed supporting side plates, the personnel can conveniently finish the work of dumping particles again, and the intermittent supplementing device can be covered when parts in the protective fixed bottom plate slide, so that other personnel can be prevented from contacting the intermittent supplementing device when the intermittent supplementing device is in operation.
Thirdly, the fixed supporting side plate is installed, and the rotating piece can be limited when the rotating piece inside the fixed supporting side plate rotates to the limit position through a special structure inside the fixed supporting side plate, so that the drum loaded with polyvinyl chloride particles can be prevented from falling outwards.
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 antibacterial polyvinyl chloride plastic of the invention;
FIG. 2 is a schematic view of the structure of a manufacturing apparatus according to the present invention;
FIG. 3 is a schematic structural view of a side end of the main body according to the present invention;
FIG. 4 is a schematic view of the rotary distribution group of the present invention;
FIG. 5 is a schematic structural view of a material guiding device shifted according to the present invention;
FIG. 6 is a schematic structural view of the fixing and recovering device of the present invention;
FIG. 7 is a schematic view showing the construction of an intermittent replenishing apparatus of the present invention;
FIG. 8 is a schematic structural view of a protective fixed base plate according to the present invention;
FIG. 9 is a schematic structural view of the anti-slip fixed climbing ladder of the present invention;
FIG. 10 is a schematic view of the construction of the stationary support side plate of the present invention;
FIG. 11 is a schematic structural view of a fixed supporting side plate according to a second embodiment of the present invention.
In the figure: 1-rotating the distribution group; 2-intermittent replenishment means; 3-protecting the fixed bottom plate; 4-antiskid fixed climbing ladder; 5, fixing a supporting side plate; 6-fixing a recovery device; 7-poking a material guide device; 8-clamping type material receiving groove; 9-fixing the loading cavity; 10-connecting the support plate; 11-a first rotation gear; 12-a transmission belt; 13-rotating the anti-blocking rod; 14-a fixed support shaft; 15-rotating the fixed baffle; 16-a second rotating gear; 17-a first electric machine; 18-a transmission gear; 19-recycling the guide pipe; 20-a getter pump; 21-receiving guide plate; 22-a delivery conduit; 23-a material conveying fixed guide rod; 24-a drive half-round gear; 25-fixing a limit clamp key; 26-rotating the limiting disc; 27-a second motor; 28-fixed chute base; 29-forming a mould; 30-protective grid baffle; 31-fixing a support platform; 32-holding the fixed rod by hand; 33-supporting a tread ladder; 34-bearing fixing groove; 35-antiskid fixing strips; 36-supporting the fixing plate; 37-rotating the closing plate; 38-limit bolt.
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 antibacterial polyvinyl chloride plastic comprises the following components in parts by weight: 90 parts of polyvinyl chloride resin, 20 parts of zinc trimellitate, 7 parts of zinc stearate, 1.5 parts of oxidized polyethylene wax, 2 parts of antimony trioxide, 2 parts of bisphenol A and 0.6 part of magnesium titanate.
A preparation method of antibacterial polyvinyl chloride plastic, as shown in fig. 1, comprising the following steps:
s1, weighing raw materials: weighing polyvinyl chloride resin powder, zinc trimellitate, zinc stearate, polyethylene oxide wax, antimony trioxide, bisphenol A and magnesium titanate;
s2, mixing ingredients: adding polyvinyl chloride resin powder into a mixing roll, starting the mixing roll to preheat, then adding zinc trimellitate and zinc stearate, continuing heating up, mixing, heating up to 90 ℃, adding oxidized polyethylene wax, antimony trioxide, bisphenol A and magnesium titanate, heating up to 120 ℃, setting the rotating speed of the mixing roll at 1400r/min, and mixing at a high speed to obtain a mixed material;
s3, extrusion molding: putting the mixed material obtained in the step S2 into a hopper of a double-screw extruder, injecting the mixed material by rotating a screw, and then sequentially passing through three sections of the double-screw extruder: a conveying area, a material plasticizing area and a melt conveying area, and preliminarily melting, plasticizing and conveying to obtain a completely plasticized material;
and S4, sequentially carrying out grain cutting, air cooling, sieving and cooling on the material plasticized in the step S3 to finally obtain the antibacterial polyvinyl chloride plastic product.
Based on the formula and the process, the invention also provides a preparation device of the antibacterial polyvinyl chloride plastic, as shown in fig. 2-3, a fixed supporting side plate 5 is fixedly connected to the side end of the protective fixed bottom plate 3, an anti-skid fixed climbing ladder 4 is fixedly connected to the side end of the fixed supporting side plate 5, a rotary distribution group 1 is fixedly connected to the top end of the fixed supporting side plate 5, and an intermittent supplement device 2 is fixedly connected to the bottom end of the rotary distribution group 1;
as shown in fig. 4, the rotating distribution group 1 includes a fixed recovery device 6, a toggle material guiding device 7, a clip type material receiving groove 8, a fixed loading cavity 9 and a connecting support plate 10, the clip type material receiving groove 8 is fixedly connected to the top end of the fixed loading cavity 9, the fixed recovery device 6 is fixedly connected to one end of the fixed loading cavity 9, the connecting support plate 10 is fixedly connected to the front end of the fixed loading cavity 9, and the toggle material guiding device 7 is fixedly connected to the center of the top end of the fixed loading cavity 9;
as shown in fig. 5, the toggle material guiding device 7 includes a first rotating gear 11, a transmission belt 12, a rotating anti-blocking rod 13, a fixed supporting shaft 14, a rotating fixed baffle 15, a second rotating gear 16, a first motor 17 and a transmission gear 18, wherein the second rotating gear 16 is fixedly connected to the top end of the first motor 17, the first rotating gear 11 is in gear engagement with the side end of the second rotating gear 16, the rotating anti-blocking rod 13 is fixedly connected to the bottom end of the first rotating gear 11, the transmission gear 18 is fixedly connected to the top ends of the rotating anti-blocking rod 13 and the fixed supporting shaft 14, the transmission belt 12 is in gear engagement with the outer ring of the transmission gear 18, and the rotating fixed baffle 15 is fixedly connected to the bottom end of the fixed supporting shaft;
as shown in fig. 6, the fixed recovery device 6 comprises a recovery draft tube 19, an aspirator pump 20 and a material receiving guide disc 21, wherein one end of the recovery draft tube 19 is fixedly connected to the side end of the aspirator pump 20, and the other end of the recovery draft tube 19 is fixedly connected to one end of the bottom of the material receiving guide disc 21;
as shown in fig. 7, the intermittent replenishment device 2 includes a conveying conduit 22, a feeding fixed guide rod 23, a transmission semicircular gear 24, a fixed limit catch 25, a rotation limit disc 26 and a second motor 27, the rotation limit disc 26 is fixedly connected to the center of the side end of the second motor 27, the fixed limit catch 25 is fixedly connected to one end of the side surface of the rotation limit disc 26, the transmission semicircular gear 24 is slidably sleeved on the fixed limit catch 25, one end of the feeding fixed guide rod 23 is engaged with the top end of the transmission semicircular gear 24, and the other end of the feeding fixed guide rod 23 is slidably inserted into the inner center of the conveying conduit 22;
as shown in fig. 8, the protective fixing base plate 3 includes a fixing chute base 28, a forming mold 29 and a protective grid baffle 30, the forming mold 29 is slidably inserted into a side end of the fixing chute base 28, the protective grid baffle 30 is slidably inserted into the other side of the fixing chute base 28, and the interior of the protective grid baffle 30 is hollow;
as shown in fig. 9, the anti-skid fixed climbing ladder 4 comprises a fixed supporting platform 31, a hand-held fixing rod 32 and a supporting tread ladder 33, wherein the fixed supporting platform 31 is fixedly connected to the top of the side end of the supporting tread ladder 33, the hand-held fixing rod 32 is symmetrically and fixedly connected to the two ends of the supporting tread ladder 33, the supporting tread ladder 33 is provided with anti-skid grains, and the fixed supporting platform 31 is fixedly connected with an anti-skid pad;
as shown in fig. 10, the fixed supporting side plate 5 includes a bearing fixing groove 34, an anti-slip fixing strip 35 and a supporting fixing plate 36, the bearing fixing groove 34 is opened at the top center of the supporting fixing plate 36, the anti-slip fixing strip 35 is symmetrically and equidistantly fixedly connected inside one side of the supporting fixing plate 36, and the material of the anti-slip fixing strip 35 is plastic.
When the plastic particle loading device is used, when plastic particles need to be loaded upwards, the supporting step ladder 33 is fixedly connected to the side end of the fixed supporting platform 31, the fixed supporting platform 31 is fixedly connected to the side end of the supporting fixing plate 36, and people can conveniently move upwards by supporting the step ladder 33, the walking fixing rods 32 are symmetrically and fixedly connected to the two ends of the supporting step ladder 33, so that the safety of the people in moving can be improved, when the people carrying the plastic particles move upwards to the top end of the fixed supporting platform 31, the plastic particles can be placed in one end of the supporting fixing plate 36, the plastic particles are symmetrically and equidistantly and fixedly connected to the inside of one end of the supporting fixing plate 36 through the anti-skidding fixing strips 35, the plastic particles can be prevented from sliding downwards, meanwhile, the plastic particles can be poured into the clamping type material receiving groove 8, when the plastic particles enter the fixed loading cavity 9, the first motor 17 can be powered on to start, when the first motor 17 is started, the second rotating gear 16 can be driven to rotate, when the second rotating gear 16 rotates, the first rotating gear 11 meshed with the second rotating gear can be driven to rotate, the first rotating gear 11 penetrates through the transmission gear 18 through the rotation anti-blocking rod 13 and is fixedly connected to the bottom end of the first rotating gear 11, the transmission gear 18 is fixedly connected to the rotation anti-blocking rod 13 and the fixed supporting shaft 14 respectively, when the first rotating gear 11 rotates, the transmission gear 18 can be driven to rotate simultaneously, and the transmission belt 12 is in gear meshing with the outer ring of the transmission gear 18, so that when the first rotating gear 11 rotates, the transmission belt 12, the rotation anti-blocking rod 13 and the transmission gear 18 can be driven to rotate simultaneously, the rotation anti-blocking rod 13 can be driven to stir in the fixed loading cavity 9, the internal blocking of the fixed loading cavity 9 is avoided, meanwhile, the fixed baffle 15 is fixedly connected to the bottom end of the fixed supporting shaft 14 through rotation,
when the fixed supporting shaft 14 rotates, the rotating fixed baffle 15 can be driven to rotate, when the rotating fixed baffle 15 rotates by half a circle, the rotating fixed baffle 15 can be overlapped with the bottom end of the fixed loading cavity 9, so that the downward flow of particulate matters can be avoided, when the rotating fixed baffle 15 passes through the inside of the fixed loading cavity 9, the particulate matters inside the fixed loading cavity 9 can be taken out, the rotating fixed baffle is fixedly connected to the fixed loading cavity 9 through the material receiving guide disc 21, the inner side end of the material receiving guide disc 21 is provided with an open groove, when the particulate matters inside the fixed loading cavity 9 flow outwards, the particulate matters can enter the material receiving guide disc 21, the inside of the material receiving guide disc 21 is arranged in a hollow state, one end of the recovery guide pipe 19 is fixedly connected to one end of the bottom of the material receiving guide disc 21, the other end of the recovery guide pipe 19 is fixedly connected to the top end of the fixed, so that the particles in the material-receiving guide plate 21 can be absorbed and flow into the fixed loading cavity 9 through the recycling guide pipe 19, thereby completing the circulating feeding and reducing the waste, meanwhile, the second motor 27 can be powered on and started, and is fixedly connected to one end of the side surface of the rotating limiting disc 26 through the fixed limiting clamp key 25, and the transmission semicircular gear 24 is slidably inserted on the fixed limiting clamp key 25, when the rotating limiting disc 26 rotates, the fixed limiting clamp key 25 can be driven to rotate in the transmission semicircular gear 24, thereby the transmission semicircular gear 24 can be driven to swing back and forth, the limit support inserted rod at the side end of the transmission semicircular gear 24 penetrates through the transmission semicircular gear 24 and is fixedly connected to the side end of the fixed chute base 28, so that the transmission semicircular gear 24 can be supported to complete the swinging work, and a rack matched with the transmission semicircular gear 24 is fixedly connected to one end of the material conveying fixed guide rod 23, when the transmission semi-circular gear 24 swings, the material conveying fixed guide rod 23 can be driven to move back and forth towards the interior of the transmission guide pipe 22, and the other end of the material conveying fixed guide rod 23 is arranged in an arc shape, so that plastic particles in the conveying guide pipe 22 can be extruded forwards to the inside of the side end of the fixed chute base 28, the integral intermittent plastic production work is completed, the bottom end of the guard grid baffle 30 is symmetrically and fixedly connected with a sliding clamping key, and the inside of one end of the top of the fixed sliding chute base 28 is provided with a sliding chute matched with the sliding clamping key, so that the guard grid baffle 30 can move inwards until the side end of the protection grid baffle 2 is covered, thereby preventing personnel from contacting moving parts in the device, fastening screws are inserted through the side end threads of the guard grid baffle 30, the fastening screw may be screwed down to an extreme position so that the guard flap 30 may be secured at the top end of the 28 preventing the guard flap 30 from moving outwardly.
Example 2
On the basis of embodiment 1, as shown in fig. 11, the fixed supporting side plate 5 further includes a rotating closing plate 37 and a limiting bolt 38, the rotating closing plate 37 is rotatably connected to the top of the side end of the supporting and fixing plate 36, and the limiting bolt 38 is slidably inserted into the top of one side of the supporting and fixing plate 36.
This embodiment is when using, when fixed stay curb plate 5 is for rotating shrouding 37 and spacing bolt 38, rotate the one end top of connecting at support fixed plate 36 through rotating shrouding 37, can place the bucket that loads the polyvinyl chloride particulate matter inside support fixed plate 36's side, will rotate shrouding 37 again and rotate to extreme position, run through spacing bolt 38 again and rotate shrouding 37 and peg graft inside support fixed plate 36's the other end for can restrict and rotate shrouding 37 outwards removal once more, prevent to load the bucket and empty outwards.
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 antibacterial polyvinyl chloride plastic is characterized by comprising the following components in parts by weight: 80-120 parts of polyvinyl chloride resin, 20-25 parts of zinc trimellitate, 5-10 parts of zinc stearate, 1.2-1.8 parts of oxidized polyethylene wax, 1-3 parts of antimony trioxide, 1-3 parts of bisphenol A and 0.5-0.8 part of magnesium titanate.
2. The preparation method of the antibacterial polyvinyl chloride plastic as claimed in claim 1, characterized by comprising the following steps:
s1, weighing raw materials: weighing polyvinyl chloride resin powder, zinc trimellitate, zinc stearate, polyethylene oxide wax, antimony trioxide, bisphenol A and magnesium titanate;
s2, mixing ingredients: adding polyvinyl chloride resin powder into a mixing roll, starting the mixing roll to preheat, then adding zinc trimellitate and zinc stearate, continuing heating, mixing, heating to 85-95 ℃, adding oxidized polyethylene wax, antimony trioxide, bisphenol A and magnesium titanate, heating to 110-140 ℃, setting the rotating speed of the mixing roll at 1400r/min, and mixing at a high speed to obtain a mixed material;
s3, extrusion molding: putting the mixed material obtained in the step S2 into a hopper of a double-screw extruder, injecting the mixed material by rotating a screw, and then sequentially passing through three sections of the double-screw extruder: a conveying area, a material plasticizing area and a melt conveying area, and preliminarily melting, plasticizing and conveying to obtain a completely plasticized material;
and S4, sequentially carrying out grain cutting, air cooling, sieving and cooling on the material plasticized in the step S3 to finally obtain the antibacterial polyvinyl chloride plastic product.
3. The device for preparing antibacterial polyvinyl chloride plastic according to claim 1, comprising a protective fixing base plate (3), and is characterized in that: a fixed supporting side plate (5) is fixedly connected to the side end of the protective fixed bottom plate (3), an anti-skidding fixed climbing ladder (4) is fixedly connected to the side end of the fixed supporting side plate (5), a rotary distribution group (1) is fixedly connected to the top end of the fixed supporting side plate (5), and an intermittent supplementing device (2) is fixedly connected to the bottom end of the rotary distribution group (1);
the rotary distribution group (1) comprises a fixed recovery device (6), a poking material guide device (7), a clamping type material receiving groove (8), a fixed loading cavity (9) and a connecting support plate (10), wherein the clamping type material receiving groove (8) is fixedly connected to the top end of the fixed loading cavity (9), the fixed recovery device (6) is fixedly connected to one end of the fixed loading cavity (9), the connecting support plate (10) is fixedly connected to the front end of the fixed loading cavity (9), and the poking material guide device (7) is fixedly connected to the center of the top end of the fixed loading cavity (9);
the poking and material guiding device (7) comprises a first rotating gear (11), a transmission belt (12), a rotating anti-blocking rod (13), a fixed supporting shaft (14), a rotating fixed baffle (15), a second rotating gear (16), a first motor (17) and a transmission gear (18), the second rotating gear (16) is fixedly connected with the top end of the first motor (17), the first rotating gear (11) is in gear engagement with the side end of the second rotating gear (16), the rotary anti-blocking rod (13) is fixedly connected with the bottom end of the first rotary gear (11), the transmission gear (18) is fixedly connected with the top ends of the rotary anti-blocking rod (13) and the fixed supporting shaft (14), the transmission belt (12) is engaged on the outer ring of the transmission gear (18) in a gear way, the rotary fixed baffle (15) is fixedly connected to the bottom end of the fixed support shaft (14);
the fixed recovery device (6) comprises a recovery guide pipe (19), an air suction pump (20) and a material receiving guide disc (21), one end of the recovery guide pipe (19) is fixedly connected to the side end of the air suction pump (20), and the other end of the recovery guide pipe (19) is fixedly connected to one end of the bottom of the material receiving guide disc (21);
the intermittent supplementing device (2) comprises a conveying guide pipe (22), a conveying fixed guide rod (23), a transmission semicircular gear (24), a fixed limiting clamp key (25), a rotating limiting disc (26) and a second motor (27), wherein the rotating limiting disc (26) is fixedly connected to the center of the side end of the second motor (27), the fixed limiting clamp key (25) is fixedly connected to one end of the side surface of the rotating limiting disc (26), the transmission semicircular gear (24) is sleeved on the fixed limiting clamp key (25) in a sliding mode, one end of the conveying fixed guide rod (23) is meshed with the top end of the transmission semicircular gear (24), and the other end of the conveying fixed guide rod (23) is inserted in the inner center of the conveying guide pipe (22) in a sliding mode;
the protective fixed bottom plate (3) comprises a fixed chute base (28), a forming die (29) and a protective grid baffle plate (30), the forming die (29) is inserted on the side end of the fixed chute base (28) in a sliding mode, the protective grid baffle plate (30) is inserted on the other side of the fixed chute base (28) in a sliding mode, and the protective grid baffle plate (30) is arranged in a hollow state;
the anti-skidding fixed climbing ladder (4) comprises a fixed supporting platform (31), a hand fixing rod (32) and a supporting stepping ladder (33), wherein the fixed supporting platform (31) is fixedly connected to the top of the side end of the supporting stepping ladder (33), the hand fixing rod (32) is symmetrically and fixedly connected to the two ends of the supporting stepping ladder (33), anti-skidding lines are arranged on the supporting stepping ladder (33), and an anti-skidding base plate is fixedly connected to the fixed supporting platform (31);
fixed stay curb plate (5) are including bearing fixed slot (34), antiskid fixed strip (35) and support fixed plate (36), bear fixed slot (34) and set up the top center at support fixed plate (36), antiskid fixed strip (35) symmetry equidistance fixed connection is inside one side of support fixed plate (36), just the material of antiskid fixed strip (35) is the plastic.
4. The apparatus for preparing antibacterial polyvinyl chloride plastic according to claim 3, wherein: and fastening screws are inserted into the side end threads of the protective grid baffle (30).
5. The apparatus for preparing antibacterial polyvinyl chloride plastic according to claim 4, wherein: the bottom of the protection grid baffle (30) is symmetrically and fixedly connected with sliding clamping keys, and a sliding groove matched with the sliding clamping keys is formed in one end of the top of the fixed sliding groove base (28).
6. The antibacterial polyvinyl chloride plastic preparation device according to claim 5, wherein: one end of the material conveying fixed guide rod (23) is fixedly connected with a rack matched with the transmission semicircular gear (24), and the other end of the material conveying fixed guide rod (23) is arranged in an arc shape.
7. The apparatus for preparing antibacterial polyvinyl chloride plastic according to claim 6, wherein: the side end of the transmission semicircular gear (24) is fixedly connected with a limiting support inserted bar.
8. The apparatus for preparing antibacterial polyvinyl chloride plastic according to claim 7, wherein: the material receiving guide disc (21) is arranged in a hollow state, and an open groove is formed in the side end of the inner part of the material receiving guide disc (21).
9. The apparatus for preparing antibacterial polyvinyl chloride plastic according to claim 8, wherein: and when the rotary fixed baffle (15) rotates for a half-turn, the rotary fixed baffle coincides with the bottom end of the fixed loading cavity (9).
10. The apparatus for preparing antibacterial polyvinyl chloride plastic according to claim 3, wherein: the fixed support side plate (5) further comprises a rotary sealing plate (37) and a limiting bolt (38), the rotary sealing plate (37) is rotatably connected to the top of the side end of the support fixing plate (36), and the limiting bolt (38) is inserted into the top end of one side of the support fixing plate (36) in a sliding mode.
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| CN202110185995.3A CN113024967A (en) | 2021-02-14 | 2021-02-14 | Preparation method of antibacterial polyvinyl chloride plastic |
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