CN114395268B - Physical modified plastic raw material for rotary forming and preparation equipment - Google Patents
Physical modified plastic raw material for rotary forming and preparation equipment Download PDFInfo
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- CN114395268B CN114395268B CN202210038007.7A CN202210038007A CN114395268B CN 114395268 B CN114395268 B CN 114395268B CN 202210038007 A CN202210038007 A CN 202210038007A CN 114395268 B CN114395268 B CN 114395268B
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- 229920003023 plastic Polymers 0.000 title claims abstract description 67
- 239000004033 plastic Substances 0.000 title claims abstract description 67
- 239000002994 raw material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 21
- -1 polyethylene terephthalate Polymers 0.000 claims description 41
- 238000003756 stirring Methods 0.000 claims description 39
- 239000004698 Polyethylene Substances 0.000 claims description 30
- 229920000573 polyethylene Polymers 0.000 claims description 30
- 238000009833 condensation Methods 0.000 claims description 25
- 230000005494 condensation Effects 0.000 claims description 25
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 22
- 239000004743 Polypropylene Substances 0.000 claims description 22
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 22
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 22
- 229920001155 polypropylene Polymers 0.000 claims description 22
- 238000004321 preservation Methods 0.000 claims description 22
- 238000000465 moulding Methods 0.000 claims description 20
- 238000007493 shaping process Methods 0.000 claims description 20
- 230000005484 gravity Effects 0.000 claims description 13
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 11
- 239000004952 Polyamide Substances 0.000 claims description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 11
- 239000004917 carbon fiber Substances 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 11
- 239000011368 organic material Substances 0.000 claims description 11
- 229920002647 polyamide Polymers 0.000 claims description 11
- 239000004417 polycarbonate Substances 0.000 claims description 11
- 229920000515 polycarbonate Polymers 0.000 claims description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 238000001175 rotational moulding Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000004605 External Lubricant Substances 0.000 claims description 8
- 239000004610 Internal Lubricant Substances 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- 230000003078 antioxidant effect Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 230000002829 reductive effect Effects 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 5
- 239000012778 molding material Substances 0.000 claims description 4
- 238000010137 moulding (plastic) Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000012257 stirred material Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002991 molded plastic Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 22
- 230000009467 reduction Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/04—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles using movable moulds not applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/24—Feeding the material into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/36—Removing moulded articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/38—Heating or cooling
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The invention discloses a physical modified plastic raw material for rotary forming and preparation equipment, and relates to the technical field of modified plastics. According to the invention, through the arrangement of the material conveying port, the driving device, the forming shaft and the forming element, plastic can be formed in the rotating process, and meanwhile, according to the arrangement of the condensing machine, the condensing pipeline and the condensing port, cold air flow can be pushed in the rotating process, so that the air flow uniformly forms plastic materials, and the working efficiency of staff can be improved.
Description
Technical Field
The invention relates to the technical field of modified plastics, in particular to a physical modified plastic raw material for rotary forming and preparation equipment thereof.
Background
With the development of technology, the modified plastic is endowed with various special properties, such as high-strength fiber filling type reinforced plastic, has high mechanical properties, and is commonly used for replacing partial materials such as metal, wood and the like for structural members; the modified plastic is a plastic product which is processed and modified by filling, blending, reinforcing and other methods on the basis of general plastic and engineering plastic, improves the performances of flame retardance, strength, impact resistance, toughness and the like, and the modified plastic part not only can achieve the strength performance of some steel materials, but also has a series of advantages of light weight, rich colors, easy molding and the like, so the trend of plastic-substituted steel is shown in a plurality of industries. The following problems exist in the prior art:
1. the existing physical modified plastic raw materials and preparation equipment have poor molding effect during molding, and can only mold plastics in a fixed form, so that the molding mode is single;
2. the cooling effect of some existing physical modified plastic raw materials for rotary forming and preparation equipment is poor, and the material does not cool in the inside of the die for a long time, so that the forming efficiency is reduced, and the working efficiency of workers is influenced.
Disclosure of Invention
The invention provides a physical modified plastic raw material for rotary forming and a preparation device, wherein one purpose is to solve the problems that the forming effect of some physical modified plastic raw materials and preparation devices is poor during forming, only plastic can be formed in a fixed form, and the forming mode is single; the other purpose is that the cooling effect of some physical modification plastic raw materials and preparation equipment for rotary forming is relatively poor, and the material does not cool in the inside of mould for a long time, reduces fashioned efficiency, influences staff's work efficiency problem.
In order to solve the technical problems, the invention adopts the following technical scheme:
a physical modified plastic raw material for rotary forming is prepared by mixing a raw material of a rotary forming material with an organic material to form a composite material.
The technical scheme of the invention is further improved as follows: the plastic comprises the following important components of polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP), polyamide (P eight), glass fiber, calcium carbonate and carbon fiber, wherein the components used by the plastic are mixed with a rotational molding material according to the proportion of two to forty percent.
A preparation process of a physical modified plastic raw material for rotary molding,
step one: selecting materials, dividing the materials in proportion, and mixing the plastics with the following components: 1000 g of rotational molding plastic raw material, 200 g of organic material, 100 g of antioxidant, 50 g of internal and external lubricant polyethylene wax, polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP) and polyamide (P eight), glass fiber, calcium carbonate and carbon fiber.
Step two: evenly stirring, namely pouring 1000 g of a rotational molding plastic raw material, 200 g of an organic material, polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP) and polyamide (P eight), glass fiber, calcium carbonate and carbon fiber into a stirring bin according to a proportion, pre-stirring, mixing and stirring the materials, forward stirring for one hundred circles during pre-stirring, reverse stirring for one hundred circles, then adding 100 g of an antioxidant and 50 g of an internal and external lubricant polyethylene wax into the stirring bin, forward stirring at a uniform speed for 5min by a stirring shaft, and then rapidly stirring again for 3min.
Step three: and (3) cooling, rotating and forming, then conveying the stirred materials to a forming shaft of a forming bin, filling the materials by a set forming shaft to the outside mold block of the forming shaft, driving the forming shaft to rotate by using a motor at the lower end in the material conveying process, forming and conveying simultaneously, and cooling a forming mold by a condensing tube at the inner side of the forming bin in the rotating process, so that forming efficiency is accelerated.
Step four: the plastic molding discharge, in the molding process, the gravity of the material extrudes the lower end spring of the die, simultaneously extrudes the air at the lower end, is discharged through the three-position five-way electromagnetic valve, the internal pressure is reduced, when the upper end no longer continues gravity, the external pressure of the three-position five-way electromagnetic valve is larger, the internal pressure is small, thereby collecting air into the lower end of the die, pushing the die to move upwards, simultaneously throwing out the imaged plastic by inertia under the rotating condition, and then discharging the molded plastic
The utility model provides a preparation equipment of rotatory shaping with physical modification plastics raw materials, includes the former main part, the upper end of former main part is provided with the material conveying mouth, the inside bottom fixedly connected with drive arrangement of former main part, the left end fixedly connected with condensing engine of former main part, the inside of former main part is provided with the condensation mouth, the right-hand member of former main part is run through and is provided with the discharge port, the upper end swing joint of drive arrangement has the shaping axle, the outside fixedly connected with shaping component of shaping axle, the inside of shaping component is provided with the recess, the inside bottom fixedly connected with damping spring of recess, damping spring's upper end fixedly connected with mould board, the outside of mould board and the inside looks adaptation of recess of setting.
The technical scheme of the invention is further improved as follows: the back of the forming element is provided with a three-position five-way electromagnetic valve, the right end of the forming shaft is provided with a conveying through hole in a penetrating way, and the right end of the conveying through hole extends to the inside of the groove.
The technical scheme of the invention is further improved as follows: the outside of shaping axle is provided with the transport swash plate, the left end of transport swash plate is fixed connection with the inside left end of the former main part of setting, the right-hand member of transport swash plate is fixed connection with the inside right-hand member of former main part of setting.
The technical scheme of the invention is further improved as follows: the inner wall fixedly connected with heat preservation of former main part, the right-hand member fixedly connected with layer of making an uproar of heat preservation falls, the right-hand member of layer of making an uproar falls is provided with the condensation pipeline, the outside of condensation pipeline is connected with the condenser pipeline that sets up, the inboard of condensation pipeline is with the condensation mouth left end fixed connection that sets up, the condensation mouth runs through the heat preservation left and right sides both ends that set up, and the condensation mouth runs through the left and right sides both ends of layer of making an uproar of falling, the heat preservation falls the left end fixed connection of layer and condensation pipeline through the layer of making an uproar of falling that sets up.
The technical scheme of the invention is further improved as follows: the lower extreme of defeated material mouth runs through the upper end of former main part, and the lower extreme of defeated material mouth cup joints in the outside of shaping axle, the lower extreme of defeated material mouth and the shaping axle upper end swing joint of setting, the outside of shaping axle is provided with the inoxidizing coating, the inboard fixedly connected with heat preservation of inoxidizing coating, the inboard fixedly connected with friction module of heat preservation, the inoxidizing coating passes through the heat preservation and the friction module fixed connection of setting.
By adopting the technical scheme, compared with the prior art, the invention has the following technical progress:
1. the invention provides a physical modified plastic raw material for rotary forming and a preparation device, wherein plastic can be formed in the rotating process according to the arrangement of a material conveying port, a driving device, a forming shaft and a forming element, and meanwhile, cold air flow can be pushed in the rotating process according to the arrangement of a condensing machine, a condensing pipeline and a condensing port, so that the air flow uniformly forms plastic materials, and the working efficiency of staff can be improved.
2. The invention provides a physical modified plastic raw material for rotary forming and preparation equipment, wherein the material is extruded by gravity of a material to a lower end spring of a die according to the arrangement of a forming element, a groove, a damping spring, a die plate and a three-position five-way electromagnetic valve, air at the lower end is extruded simultaneously, the air is discharged through the three-position five-way electromagnetic valve, the internal pressure is reduced, when the upper end does not continuously bear gravity, the external pressure of the three-position five-way electromagnetic valve is higher, the internal pressure is lower, so that air is gathered to the lower end of the die, the die is pushed to move upwards, the imaged plastic is thrown out by inertia under the condition of rotation, and the formed plastic is discharged.
3. The invention provides a physical modified plastic raw material for rotary forming and a preparation device, which can store internal cold air according to the arrangement of a noise reduction layer of a heat preservation layer, avoid the phenomenon of massive leakage of the cold air, cause poorer forming effect of plastic, and simultaneously can absorb noise generated in the interior by the noise reduction layer, avoid overlarge noise and influence on surrounding environment, and facilitate the transportation of the paint in the process of conveying the paint through a friction module 20, reduce friction between the paint and a forming shaft 4 and reduce damage to the forming shaft 4.
Drawings
FIG. 1 is a schematic diagram of a process for preparing a physical modified plastic raw material according to the invention;
FIG. 2 is a schematic diagram of the main structure of the manufacturing apparatus of the present invention;
FIG. 3 is a schematic view of the structure of a molding element of the manufacturing apparatus of the present invention;
FIG. 4 is a schematic view of the structure of the forming shaft and the forming element of the manufacturing apparatus of the present invention;
FIG. 5 is a schematic diagram showing the main structure of a molding apparatus of the present invention
FIG. 6 is a schematic view of a molded shaft portion of the present invention.
In the figure: 1. a molding apparatus main body; 2. a material conveying port; 3. a driving device; 4. forming a shaft; 5. a molding element; 6. a discharge port; 7. a conveying sloping plate; 8. a condenser; 9. a condensing port; 10. a groove; 11. a damping spring; 12. a mold plate; 13. a three-position five-way electromagnetic valve; 14. a conveying through hole; 15. a heat preservation layer; 16. A noise reduction layer; 17. a condensing duct; 18. a protective layer; 19. a heat preservation layer; 20. and a friction module.
Detailed Description
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items, as further detailed below in connection with the examples:
example 1
As shown in fig. 1, the invention provides a physical modified plastic raw material for rotary molding, which is mixed with an organic material to form a composite material, and comprises the following important components of polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP), polyamide (P eight), glass fiber, calcium carbonate and carbon fiber, wherein the components used by the plastic are mixed with the rotary molding material according to the proportion of two to forty percent.
Example 2
As shown in fig. 1, on the basis of embodiment 1, the present invention provides a technical solution: a preparation process of a physical modified plastic raw material for rotary molding,
step one: selecting materials, dividing the materials in proportion, and mixing the plastics with the following components: 1000 g of rotational molding plastic raw material, 200 g of organic material, 100 g of antioxidant, 50 g of internal and external lubricant polyethylene wax, polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP) and polyamide (P eight), glass fiber, calcium carbonate and carbon fiber.
Step two: evenly stirring, namely pouring 1000 g of a rotational molding plastic raw material, 200 g of an organic material, polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP) and polyamide (P eight), glass fiber, calcium carbonate and carbon fiber into a stirring bin according to a proportion, pre-stirring, mixing and stirring the materials, forward stirring for one hundred circles during pre-stirring, reverse stirring for one hundred circles, then adding 100 g of an antioxidant and 50 g of an internal and external lubricant polyethylene wax into the stirring bin, forward stirring at a uniform speed for 5min by a stirring shaft, and then rapidly stirring again for 3min.
Step three: and (3) cooling, rotating and forming, then conveying the stirred materials to a forming shaft of a forming bin, filling the materials by a set forming shaft to the outside mold block of the forming shaft, driving the forming shaft to rotate by using a motor at the lower end in the material conveying process, forming and conveying simultaneously, and cooling a forming mold by a condensing tube at the inner side of the forming bin in the rotating process, so that forming efficiency is accelerated.
Step four: the plastic molding discharge, in the molding process, the gravity of the material extrudes the lower end spring of the die, simultaneously extrudes the air at the lower end, is discharged through the three-position five-way electromagnetic valve, the internal pressure is reduced, when the upper end no longer continues gravity, the external pressure of the three-position five-way electromagnetic valve is larger, the internal pressure is small, thereby collecting air into the lower end of the die, pushing the die to move upwards, simultaneously throwing out the imaged plastic by inertia under the rotating condition, and then discharging the molded plastic
Example 3
As shown in fig. 2-6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, a preparation device of physical modified plastic raw materials for rotary forming comprises a forming device main body 1, wherein the upper end of the forming device main body 1 is provided with a material conveying port 2, the inner bottom end of the forming device main body 1 is fixedly connected with a driving device 3, the left end of the forming device main body 1 is fixedly connected with a condenser 8, the inner part of the forming device main body 1 is provided with a condensing port 9, the right end of the forming device main body 1 is provided with a discharge port 6 in a penetrating way, the upper end of the driving device 3 is movably connected with a forming shaft 4, the outer part of the forming shaft 4 is fixedly connected with a forming element 5, the inner part of the forming element 5 is provided with a groove 10, the inner bottom end of the groove 10 is fixedly connected with a damping spring 11, the upper end of the damping spring 11 is fixedly connected with a die plate 12, the outer part of the die plate 12 is matched with the inner part of the groove 10, the back of the forming element 5 is provided with a three-position five-way electromagnetic valve 13, the gravity of the material extrudes a damping spring at the lower end of the die, air at the lower end is extruded at the same time, then the air inside is discharged by utilizing the three-position five-way electromagnetic valve, the pressure inside is reduced, when the gravity is not sustained at the upper end, the external pressure is larger, the pressure inside is small, then the air is converged to the lower end of the die by utilizing the three-position five-way electromagnetic valve, so that the pressure inside is continuously increased, the moving die is pushed upwards, the forming element 5 is driven to rotate under the condition that the forming shaft 4 rotates, the imaged plastic is thrown out by utilizing inertia, the formed plastic is discharged, the right end of the forming shaft 4 is penetrated and provided with a conveying through hole 14, and the right end of the conveying through hole 14 extends to the inside of the groove 10.
Preferably, the outside of the shaping axle 4 is provided with a conveying inclined plate 7, the left end of the conveying inclined plate 7 is fixedly connected with the left end inside the shaping equipment main body 1, the right end of the conveying inclined plate 7 is fixedly connected with the right end inside the shaping equipment main body 1, the inner wall of the shaping equipment main body 1 is fixedly connected with a heat preservation layer 15, the right end of the heat preservation layer 15 is fixedly connected with a noise reduction layer 16, the right end of the noise reduction layer 16 is provided with a condensation pipeline 17, the material conveying opening 2, the driving device 3, the shaping axle 4 and the shaping element 5 are arranged, plastic can be shaped in the rotating process, meanwhile, the cold air flow can be pushed in the rotating process according to the arrangement of the condenser 8, the condensation pipeline 17 and the condensation opening 9, so that the air flow evenly forms plastic materials, thereby improving the working efficiency of staff, the outside of the condensation pipeline 17 is connected with the pipeline of the condenser 8, the inside of the condensation pipeline 17 is fixedly connected with the left end of the condensation port 9, the condensation port 9 penetrates through the left end and the right end of the heat insulation layer 15, the heat insulation layer 15 is provided with the noise reduction layer 16, internal cold air can be stored, the phenomenon that a large amount of cold air leaks is avoided, the plastic molding effect is poor, the condensation port 9 penetrates through the left end and the right end of the noise reduction layer 16, the noise reduction layer 16 can absorb noise generated in the interior, the noise is avoided being overlarge, the influence on the surrounding environment is caused, the noise is larger, the influence on the physical and mental health of staff is easy, the working efficiency of the staff is reduced, the heat insulation layer 15 is fixedly connected with the left end of the condensation pipeline 17 through the noise reduction layer 16, the lower end of the material conveying port 2 penetrates through the upper end of the molding equipment main body 1, and the lower end of the material conveying port 2 is sleeved outside the molding shaft 4, the lower extreme of material conveying mouth 2 and the shaping axle 4 upper end swing joint that sets up, the outside of shaping axle 4 is provided with inoxidizing coating 18, and the inboard fixedly connected with heat preservation 19 of inoxidizing coating 18, the inboard fixedly connected with friction module 20 of heat preservation 19, inoxidizing coating 18 pass through the heat preservation 19 and the friction module 20 fixed connection that set up.
The working principle of the physical modified plastic raw material for rotary molding and the preparation equipment is specifically described below.
Step one: the components of the plastic mixture are 1000 g of rotational molding plastic raw material, 200 g of organic material, 100 g of antioxidant, 50 g of internal and external lubricant polyethylene wax, polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP) and polyamide (P eight), glass fiber, calcium carbonate and carbon fiber.
Step two: 1000 g of rotary molding plastic raw material, 200 g of organic material, 200 g of polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP) and polyamide (P eight), glass fiber, calcium carbonate and carbon fiber are poured into a stirring bin according to proportion to be pre-stirred, the materials are mixed and stirred in a certain amount, the materials are positively stirred for one hundred circles and reversely stirred for one hundred circles during pre-stirring, then 100 g of antioxidant and 50 g of polyethylene wax serving as an internal and external lubricant are added into the stirring bin, a stirring shaft positively and uniformly stirs the materials, after stirring for 5min, rapid stirring is carried out again, and the rapid stirring time is 3min.
Step three: and then, the stirred materials are transmitted to a forming shaft of the forming bin, the materials are filled through a set forming shaft to form a mold block outside the forming shaft, a motor at the lower end is utilized to drive the forming shaft to rotate in the process of material transmission, forming and transmission are carried out at the same time, and a condensing tube at the inner side of the forming bin cools the forming mold in the process of rotation, so that the forming efficiency is accelerated.
Step four: in the process of forming, the gravity of material extrudes the lower extreme spring of mould, extrudes the air of lower extreme simultaneously, discharges through three-position five-way solenoid valve, and the pressure of inside reduces thereupon, and when the upper end no longer lasts gravity, the outside pressure of five solenoid valve that utilizes the setting is great, and inside pressure is little to carry out the remittance air to the lower extreme of mould, thereby top moves the mould and upwards moves, utilizes inertia to throw away the plastics of formation of image under the pivoted condition simultaneously, discharges the plastics that will form afterwards.
As shown in fig. 2 to 6, firstly, the material is collected by the material inlet 2 and then is transferred to the inside of the forming shaft 4, then the forming shaft 4 is driven to rotate by the driving device 3, then the material is transferred to the inside of the forming element 5 by the conveying through hole 14, and is transferred to the upper end of the die plate 12, along with the increase of gravity, the damping spring 11 is pressed, so that the air at the lower end is discharged through the three-position five-way electromagnetic valve 13, the pressure at the lower end of the die plate 12 is reduced, then the cold air is transferred to the inside of the forming equipment main body 1 through the condensing pipeline 17 and the condensing port 9 by the condenser 8, meanwhile, the forming shaft 4 drives the forming element 5 to rotate, so that the plastic material can be uniformly cooled in the rotating process, when the material is not added continuously, the air pressure outside is larger than the air pressure inside the forming element 5, then the air flow is infused into the inside the groove 10 through the three-position five-way electromagnetic valve 13, then the die plate 12 is jacked, the rebound force of the damping spring 11 is jacked, then the inertia of rotation is utilized in the rotating process, the right end of the forming element 5 is discharged from the right end of the forming element 7 through the forming element, and then the plastic is discharged to the outside through the rotating through the condensing port 7.
The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (2)
1. The utility model provides a preparation equipment of physical modification plastics raw materials for rotational moulding which characterized in that: the rotary molding material raw material and the organic material are mixed to form a composite material;
comprises the following important components: polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP), polyamide (P eight), glass fiber, calcium carbonate and carbon fiber, wherein the components of the plastic are mixed with a rotational molding material according to the proportion of two to forty percent;
the preparation process of the physical modified plastic raw material for rotary molding comprises the following steps:
step one: selecting materials, dividing the materials in proportion, and mixing the plastics with the following components: 1000 g of rotational molding plastic raw material, 200 g of organic material, 100 g of antioxidant, 50 g of internal and external lubricant polyethylene wax, polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP) and polyamide (P eight), glass fiber, calcium carbonate and carbon fiber;
step two: uniformly stirring 1000 g of a rotary molding plastic raw material, 200 g of an organic material, 200 g of polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP) and polyamide (P eight), glass fibers, calcium carbonate and carbon fibers in proportion are poured into a stirring bin to be pre-stirred, the materials are mixed and stirred in a certain proportion, the materials are positively stirred for one hundred circles and reversely stirred for one hundred circles during pre-stirring, then 100 g of an antioxidant and 50 g of an internal and external lubricant polyethylene wax are added into the stirring bin, a stirring shaft positively and uniformly stirs the materials, and after stirring for 5min, rapid stirring is performed again, wherein the rapid stirring time is 3min;
step three: cooling, rotating and forming, then conveying the stirred materials to a forming shaft of a forming bin, filling the materials through a mold block arranged outside the forming shaft, driving the forming shaft to rotate by a motor at the lower end in the process of conveying the materials, forming and conveying simultaneously, and cooling a forming mold by a condensing pipe at the inner side of the forming bin in the rotating process, so that forming efficiency is accelerated;
step four: the plastic molding and discharging, in the molding process, the gravity of the material extrudes the spring at the lower end of the mold, meanwhile extrudes the air at the lower end, and is discharged through the three-position five-way electromagnetic valve, the internal pressure is reduced, when the upper end is not continuously gravity any more, the external pressure of the three-position five-way electromagnetic valve is higher, the internal pressure is small, so that air is gathered into the lower end of the mold, the mold is pushed to move upwards, and simultaneously the imaged plastic is thrown out by inertia under the rotating condition, and then the molded plastic is discharged;
the utility model provides a preparation equipment of physical modification plastics raw materials for rotary forming, includes former main part (1), the upper end of former main part (1) is provided with material conveying mouth (2), inside bottom fixedly connected with drive arrangement (3), its characterized in that of former main part (1): the device comprises a forming equipment main body (1), wherein the left end of the forming equipment main body (1) is fixedly connected with a condenser (8), a condensing port (9) is formed in the forming equipment main body (1), an exhaust port (6) is formed in the right end of the forming equipment main body (1) in a penetrating mode, the upper end of a driving device (3) is movably connected with a forming shaft (4), and a forming element (5) is fixedly connected to the outer part of the forming shaft (4);
the forming element (5) is internally provided with a groove (10), the bottom end of the inside of the groove (10) is fixedly connected with a damping spring (11), the upper end of the damping spring (11) is fixedly connected with a die plate (12), and the outside of the die plate (12) is matched with the inside of the groove (10);
the back of the forming element (5) is provided with a three-position five-way electromagnetic valve (13), the right end of the forming shaft (4) is provided with a conveying through hole (14) in a penetrating way, and the right end of the conveying through hole (14) extends to the inside of the groove (10);
the outside of the forming shaft (4) is provided with a conveying inclined plate (7), the left end of the conveying inclined plate (7) is fixedly connected with the left end inside the forming equipment main body (1), and the right end of the conveying inclined plate (7) is fixedly connected with the right end inside the forming equipment main body (1);
the inner wall fixedly connected with heat preservation (15) of former main part (1), the right-hand member fixedly connected with of heat preservation (15) falls noise floor (16), the right-hand member of falling noise floor (16) is provided with condensation pipeline (17), the outside of condensation pipeline (17) is connected with condensation machine (8) pipe that set up, the inboard of condensation pipeline (17) is fixed with the left end fixed connection of condensation mouth (9) that set up, both ends about heat preservation (15) that set up are run through to condensation mouth (9), and the left and right ends that fall noise floor (16) are run through to condensation mouth (9), the left end fixed connection of condensation pipeline (17) is passed through to noise floor (16) that fall that set up to heat preservation (15).
2. The apparatus for producing a physically modified plastic raw material for rotational molding according to claim 1, wherein: the lower extreme of defeated material mouth (2) runs through the upper end of former main part (1), and the lower extreme of defeated material mouth (2) cup joints in the outside of shaping axle (4), the lower extreme of defeated material mouth (2) and the shaping axle (4) upper end swing joint of setting, the outside of shaping axle (4) is provided with inoxidizing coating (18), the inboard fixedly connected with heat preservation (19) of inoxidizing coating (18), the inboard fixedly connected with friction module (20) of heat preservation (19), inoxidizing coating (18) are through the heat preservation (19) and the friction module (20) fixed connection of setting.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036392A (en) * | 1988-04-08 | 1989-10-18 | 陈世杰 | Physically modified plastic material for rotational forming |
| CN207359580U (en) * | 2017-06-15 | 2018-05-15 | 扬州利贞复合材料有限公司 | A kind of modified plastics line processing equipment |
| CN113500718A (en) * | 2021-07-10 | 2021-10-15 | 董玮 | Modified plastic and preparation process thereof |
| CN214982637U (en) * | 2021-04-30 | 2021-12-03 | 鹤壁尼克斯科技有限公司 | Modified plastic forming device |
-
2022
- 2022-01-13 CN CN202210038007.7A patent/CN114395268B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036392A (en) * | 1988-04-08 | 1989-10-18 | 陈世杰 | Physically modified plastic material for rotational forming |
| CN207359580U (en) * | 2017-06-15 | 2018-05-15 | 扬州利贞复合材料有限公司 | A kind of modified plastics line processing equipment |
| CN214982637U (en) * | 2021-04-30 | 2021-12-03 | 鹤壁尼克斯科技有限公司 | Modified plastic forming device |
| CN113500718A (en) * | 2021-07-10 | 2021-10-15 | 董玮 | Modified plastic and preparation process thereof |
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| CN114395268A (en) | 2022-04-26 |
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