CN114395268A

CN114395268A - Physical modified plastic raw material for rotational molding and preparation equipment

Info

Publication number: CN114395268A
Application number: CN202210038007.7A
Authority: CN
Inventors: 汪月宵
Original assignee: Individual
Current assignee: Guangzhou King Highland Mechanical & Electrical Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-04-26
Anticipated expiration: 2042-01-13
Also published as: CN114395268B

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, the 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 plastic material can be formed by uniform air flow, and the working efficiency of workers can be improved.

Description

Physical modified plastic raw material for rotational molding and preparation equipment

Technical Field

The invention relates to the technical field of modified plastics, in particular to a physical modified plastic raw material for rotational molding and preparation equipment.

Background

With the development of the technology, modified plastics are endowed with various special properties, such as high-strength fiber-filled reinforced plastics with high mechanical properties, and are often used for replacing partial materials such as metal, wood and the like for structural parts; the modified plastic is a plastic product which is processed and modified by methods of filling, blending, enhancing and the like on the basis of general plastics and engineering plastics and has the properties of flame retardance, strength, impact resistance, toughness and the like. 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, only can perform fixed molding on plastics, and has a single molding mode;

2. the cooling effect of some existing physical modified plastic raw materials for rotational molding and preparation equipment is poor, and materials are not cooled in the die for a long time, so that the molding efficiency is reduced, and the working efficiency of workers is influenced.

Disclosure of Invention

The invention provides a physically modified plastic raw material for rotational molding and preparation equipment, and aims to solve the problems that some physically modified plastic raw materials and preparation equipment have poor molding effect during molding, only can perform fixed-form molding on plastic, and have single molding mode; wherein another purpose is that the cooling effect is relatively poor in order to solve some physics modified plastics raw materials for rotational moulding and preparation equipment, and the material does not cool off for a long time in the inside of mould, reduces fashioned efficiency, influences staff's work efficiency problem.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a physically modified plastic raw material for rotational molding is a composite material formed by mixing a rotational molding material raw material and an organic 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 plastic is prepared by mixing two to forty percent of the components with a rotary molding material.

A preparation process of a physical modified plastic raw material for rotational molding,

the method comprises the following steps: selecting materials, dividing the materials in proportion, and mixing the plastic with the following components: 1000 g of rotary 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), polyamide (P eight), glass fiber, calcium carbonate and carbon fiber.

Step two: evenly stirring, 1000 grams of rotational molding plastic raw materials, 200 grams of organic materials, polyethylene terephthalate (PET), Polycarbonate (PC), Polyethylene (PE), polypropylene (PP) and polyamide (P eight), glass fiber, calcium carbonate, carbon fiber are poured into the stirring bin according to the proportion for pre-stirring, the materials are mixed and stirred in a certain amount, one hundred circles of forward stirring and one hundred circles of reverse stirring are carried out during pre-stirring, 100 grams of antioxidant and 50 grams of internal and external lubricant polyethylene wax are added into the stirring bin, the stirring shaft is used for stirring the materials forward at a constant speed, after 5 minutes of stirring, rapid stirring is carried out again, and the rapid stirring time is 3 minutes.

Step three: the cooling rotational molding transmits the stirred material to the molding shaft of the molding bin, the material is filled in the molding shaft through the outside mold block of the molding shaft in the axial direction, the molding shaft is driven to rotate by the motor at the lower end in the material transmission process, the material is transmitted while being molded, and the molding die is cooled by the condensation pipe on the inner side of the molding bin in the rotating process, so that the molding efficiency is improved.

Step four: the plastics shaping is discharged, at the fashioned in-process, the gravity of material extrudees the lower extreme spring of mould, extrude the air of lower extreme simultaneously, discharge through tribit five-way solenoid valve, inside pressure reduces thereupon, when no longer lasting gravity in upper end, it is great to utilize the outside pressure of the tribit five-way solenoid valve that sets up, inside pressure is little, thereby converge the air into to the lower extreme of mould, thereby top moves the mould rebound, utilize inertia to throw away the plastics of formation of image simultaneously under the pivoted condition, later with the good plastics discharge of shaping

The utility model provides a preparation equipment of physics modified plastics raw materials for rotational moulding, 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 runs through and is provided with the discharge port, drive arrangement's upper end swing joint 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 that sets up.

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 mode, 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 carries the swash plate, carry the left end of swash plate and the inside left end fixed connection of former main part of setting, carry the right-hand member of swash plate and the inside right-hand member fixed connection 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 layer of making an uproar falls in the right-hand member fixedly connected with of heat preservation, the right-hand member of the layer of making an uproar falls is provided with the condensation duct, the outside of condensation duct and the condenser pipe connection that sets up, the inboard of condensation duct and the condensation mouth left end fixed connection who sets up, both ends about the heat preservation that the condensation mouth runs through the setting, and the condensation mouth runs through the layer of making an uproar both ends about, the left end fixed connection of the layer of making an uproar and condensation duct falls through the setting in the heat preservation.

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 epaxial end swing joint who sets up, 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 is through heat preservation and the friction module fixed connection that sets up.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides a physical modified plastic raw material for rotary forming and preparation equipment, which can carry out forming work on plastic in the rotating process according to the arrangement of a material conveying port, a driving device, a forming shaft and a forming element, and can push cold air flow in the rotating process according to the arrangement of a condensing machine, a condensing pipeline and a condensing port, so that the plastic material can be formed by the air flow uniformly, and the working efficiency of workers can be improved.

2. According to the arrangement of a forming element, a groove, a damping spring, a die plate and a three-position five-way electromagnetic valve, the gravity of materials extrudes a spring at the lower end of the die, simultaneously extrudes air at the lower end, and the air is discharged through the three-position five-way electromagnetic valve, so that the internal pressure is reduced, when the gravity is not continuously applied to the upper end, the external pressure is higher and the internal pressure is lower by using the arranged three-position five-way electromagnetic valve, so that the air is converged into the lower end of the die, the die is jacked to move upwards, imaged plastic is thrown out by using inertia under the rotating condition, and the formed plastic is discharged.

3. The invention provides a physical modified plastic raw material for rotary forming and preparation equipment, wherein according to the arrangement of a noise reduction layer of a heat insulation layer, internal cold air can be stored, the phenomenon that a large amount of cold air leaks is avoided, the forming effect of plastic is poor, meanwhile, the noise reduction layer can absorb noise generated inside, the influence on the surrounding environment due to overlarge noise is avoided, the transportation of coating is facilitated in the coating conveying process through the arranged friction module 20, the friction between the coating and a forming shaft 4 is reduced, and the damage to the forming shaft 4 is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a process for preparing a physically modified plastic raw material according to the present invention;

FIG. 2 is a schematic structural view of a main body of the manufacturing apparatus of the present invention;

FIG. 3 is a schematic structural view of a molding member of the manufacturing apparatus of the present invention;

FIG. 4 is a schematic structural view of a forming shaft and a forming element of the manufacturing apparatus of the present invention;

FIG. 5 is a schematic view of the main structure of the forming apparatus of the manufacturing apparatus of the present invention

Fig. 6 is a schematic view of the structure of the molding shaft portion of the present invention.

In the figure: 1. a molding apparatus main body; 2. a material conveying port; 3. a drive device; 4. forming a shaft; 5. a forming element; 6. an outlet port; 7. a conveying sloping plate; 8. a condenser; 9. a condensation port; 10. a groove; 11. a damping spring; 12. a mold plate; 13. a three-position five-way electromagnetic valve; 14. a delivery through hole; 15. a heat-insulating layer; 16. A noise reduction layer; 17. a condensing duct; 18. a protective layer; 19. a heat-insulating layer; 20. and a friction module.

Detailed Description

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are 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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, which are described in further detail below with reference to the examples:

example 1

As shown in figure 1, the invention provides a physically modified plastic raw material for rotational molding, wherein the rotational molding material raw material is mixed with an organic material to form a composite material, and the composite material 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, and the rotational molding material is mixed with the plastic used components 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 rotational molding,

Example 3

As shown in fig. 2 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the preparation equipment of the physical modified plastic raw material for rotary forming comprises a forming equipment main body 1, wherein the upper end of the forming equipment main body 1 is provided with a material conveying port 2, the inner bottom end of the forming equipment main body 1 is fixedly connected with a driving device 3, the left end of the forming equipment main body 1 is fixedly connected with a condenser 8, the inner part of the forming equipment main body 1 is provided with a condensation port 9, the right end of the forming equipment main body 1 is provided with a discharge port 6 in a penetrating manner, 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 mould plate 12, the outer part of the mould plate 12 is matched with the inner part of the groove 10, and the back surface of the forming element 5 is provided with a three-position five-way electromagnetic valve 13, the gravity of material extrudes the lower extreme damping spring of mould, extrude the air of lower extreme simultaneously, then utilize the discharge of tribit five-way solenoid valve to discharge inside air, inside pressure reduces thereupon, when upper end no longer lasts gravity, outside pressure is great, inside pressure is little, utilize the tribit five-way solenoid valve that sets up to converge into the air to the lower extreme of mould afterwards, thereby inside pressure lasts the increase, it upwards moves thereupon to push up the mould, drive forming element 5 and rotate under the pivoted circumstances of shaping axle 4, utilize inertia to throw away the plastics of formation of image, discharge the plastics that the shaping is good afterwards, the right-hand member of shaping axle 4 runs through and is provided with carry through hole 14, and the right-hand member of carry through hole 14 extends to the inside of recess 10.

Preferably, the outer part 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, 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 of the forming 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 port 2, the driving device 3, the forming shaft 4 and the forming element 5 are arranged, the plastic can be formed in the rotating process, meanwhile, according to the arrangement of the condenser 8, the condensation pipeline 17 and the condensation port 9, the cold air flow can be pushed in the rotating process, so that the air flow is uniform, the plastic material can be formed, the working efficiency of workers can be improved, the outer side of the condensation pipeline 17 is connected with the arranged condenser 8, the inner side of a condensation pipeline 17 is fixedly connected with the left end of a condensation port 9, the condensation port 9 penetrates through the left end and the right end of a heat insulation layer 15, a noise reduction layer 16 of the heat insulation layer 15 is arranged, the internal cold air can be stored, the phenomenon of large leakage of the cold air is avoided, the forming effect of plastics 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 the noise generated inside, the influence on the surrounding environment due to overlarge noise is avoided, the noise is high, the physical and mental health of workers is easily influenced, the working efficiency of the workers is reduced, the heat insulation layer 15 is fixedly connected with the left end of the condensation pipeline 17 through the arranged noise reduction layer 16, the lower end of a material conveying port 2 penetrates through the upper end of a forming equipment main body 1, the lower end of the material conveying port 2 is sleeved outside a forming shaft 4, the lower end of the material conveying port 2 is movably connected with the upper end of the forming shaft 4, the outer portion of the forming shaft 4 is provided with a protective layer 18, the inner side of the protective layer 18 is fixedly connected with a heat preservation layer 19, the inner side of the heat preservation layer 19 is fixedly connected with a friction module 20, and the protective layer 18 is fixedly connected with the friction module 20 through the arranged heat preservation layer 19.

The working principle of the physically modified plastic raw material for rotational molding and the production equipment will be described in detail below.

The method comprises the following steps: the plastic is mixed by 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), Polyamide (PBA), glass fiber, calcium carbonate and carbon fiber.

Step two: 1000 g of rotary molding plastic raw material, 200 g of organic material, polyethylene terephthalate (PET), Polycarbonate (PC), Polyethylene (PE), polypropylene (PP), polyamide (P eight), glass fiber, calcium carbonate and carbon fiber are poured into a stirring bin according to a proportion to be pre-stirred, the materials are mixed and stirred in a certain amount, one hundred circles of forward stirring and one hundred circles of reverse stirring are carried out during pre-stirring, then 100 g of antioxidant and 50 g of internal and external lubricant polyethylene wax are added into the stirring bin, the stirring shaft is used for stirring the materials forward at a constant speed, after 5min of stirring, the materials are quickly stirred again, and the quick stirring time is 3 min.

Step three: the material that will stir later transmits the shaping epaxial in shaping storehouse, carries out the packing of material through the outside mould piece of shaping axial shaping axle that sets up, utilizes the motor of lower extreme to drive the shaping axle at the in-process of material transmission and rotates, carries out the limit shaping and transmits simultaneously, and at the pivoted in-process, the condenser pipe of shaping storehouse inboard cools off forming die for fashioned efficiency.

Step four: in the forming process, the gravity of the material extrudes a lower end spring of the mold, simultaneously extrudes air at the lower end, the air is discharged through the three-position five-way electromagnetic valve, the internal pressure is reduced, when the gravity is not continuously maintained at the upper end, the external pressure of the three-position five-way electromagnetic valve is higher, the internal pressure is low, the air is converged into the lower end of the mold, the mold is pushed to move upwards, meanwhile, the inertia is utilized to throw out the imaged plastic under the rotating condition, and then the formed plastic is discharged.

As shown in fig. 2-6, the material is firstly collected from the material feeding port 2, then is transported to the inside of the molding shaft 4, then the driving device 3 drives the molding shaft 4 to rotate, then the material is transported to the inside of the molding element 5 through the transporting through hole 14, and is transported to the upper end of the mold plate 12, as the gravity increases, the damping spring 11 is extruded, so that the air at the lower end is discharged through the three-position five-way solenoid valve 13, the pressure at the lower end of the mold plate 12 is reduced, then the condenser 8 is used to transport cold air to the inside of the molding device main body 1 through the condensing pipe 17 and the condensing port 9, at the same time, the molding shaft 4 drives the molding element 5 to rotate, so that the plastic material can be uniformly cooled in the rotating process, when the material is not continuously added, the external air pressure is larger than the air pressure inside the molding element 5, and then the air flow is infused to the inside of the groove 10 through the three-position five-way solenoid valve 13, the die plate 12 is subsequently pushed up, while the damping spring 11 pushes up the die plate 12 against the spring force, whereupon during rotation, the formed plastic is discharged from the right end of the forming element 5 by means of the rotational inertia and is subsequently conveyed to the outside by means of the inclined conveyor plate 7.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.

Claims

1. A physical modified plastic raw material for rotational molding is characterized in that: the rotary forming material raw material and the organic material are mixed into the composite material.

2. The physically modified plastic feedstock for rotational molding as claimed in claim 1, wherein: 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 plastic is prepared by mixing two to forty percent of the components with a rotary molding material.

3. A preparation process of a physical modified plastic raw material for rotational molding is characterized by comprising the following steps:

Step four: the plastics shaping is discharged, at the fashioned in-process, the gravity of material extrudees the lower extreme spring of mould, extrude the air of lower extreme simultaneously, discharge through the tribit five-way solenoid valve, inside pressure reduces thereupon, when no longer lasting gravity in the upper end, the outside pressure of the tribit five-way solenoid valve that utilizes to set up is great, inside pressure is little, thereby converge the air into to the lower extreme of mould, thereby the top moves the mould rebound, utilize inertia to throw away the plastics of formation of image simultaneously under the pivoted condition, later discharge the plastics that the shaping is good.

4. The utility model provides a preparation equipment of physical modification plastic raw materials for rotational moulding, includes former main part (1), the upper end of former main part (1) is provided with material conveying mouth (2), the inside bottom fixedly connected with drive arrangement (3) of former main part (1), its characterized in that: a condenser (8) is fixedly connected to the left end of the forming equipment main body (1), a condensation port (9) is formed in the forming equipment main body (1), a discharge port (6) penetrates through the right end of the forming equipment main body (1), a forming shaft (4) is movably connected to the upper end of the driving device (3), and a forming element (5) is fixedly connected to the outer portion of the forming shaft (4);

the inside of shaping component (5) is provided with recess (10), the inside bottom fixedly connected with damping spring (11) of recess (10), the upper end fixedly connected with mould board (12) of damping spring (11), the outside of mould board (12) and the inside looks adaptation of recess (10) that sets up.

5. The apparatus for preparing a physically modified plastic feedstock for rotational molding as claimed in claim 4, wherein: 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 mode, and the right end of the conveying through hole (14) extends into the groove (10).

6. The physically modified plastic raw material for rotational molding and the preparation equipment thereof according to claim 5, wherein: the outside of shaping axle (4) is provided with carries swash plate (7), the left end of carrying swash plate (7) and the inside left end fixed connection of former main part (1) of setting, the right-hand member of carrying swash plate (7) and the inside right-hand member fixed connection of former main part (1) of setting.

7. The physically modified plastic raw material for rotational molding and the preparation equipment thereof according to claim 6, wherein: inner wall fixedly connected with heat preservation (15) of former main part (1), layer (16) of making an uproar falls in the right-hand member fixedly connected with of heat preservation (15), the right-hand member of layer (16) of making an uproar falls is provided with condensation duct (17), the outside of condensation duct (17) and the condensing engine (8) pipe connection who sets up, the inboard of condensation duct (17) and the condensation mouth (9) left end fixed connection who sets up, both ends about heat preservation (15) that set up are run through in condensation mouth (9), and both ends about condensation mouth (9) run through layer (16) of making an uproar fall, the left end fixed connection of layer (16) and condensation duct (17) of making an uproar falls in heat preservation (15) through setting.

8. The physically modified plastic raw material for rotational molding and the preparation apparatus as claimed in claim 7, 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 who sets up, the outside of shaping axle (4) is provided with inoxidizing coating (18), the inboard fixedly connected with heat preservation (19) of inoxidizing coating (18), inboard fixedly connected with friction module (20) of heat preservation (19), inoxidizing coating (18) are through heat preservation (19) and the friction module (20) fixed connection that sets up.