CN115782129A - Preparation method of degradable plastic - Google Patents

Abstract

The invention discloses a preparation method of degradable plastic, S1, feeding raw materials into a mixing drum, starting a driving motor to mix the raw materials, and heating the raw materials in the mixing drum through a heating plate; s2, after stirring is finished, starting a rotating motor, transmitting power through the matching of a driving wheel and a belt, driving a transmission rod to rotate, then driving a connecting rod and a spiral blanking plate to rotate through the matching of a driving gear and a driven gear, and uniformly feeding the stirred material into an extrusion pipe; the convenient extrusion blow molding mechanism is arranged, the pressing plate is pushed to rise through the accumulation of the solution in the charging barrel, when the pressing plate pushes the ejector rod to be attached to the touch switch, the power supply to the electromagnet is removed, the sealing plate is forced to be separated from the retaining ring, the supporting spring is convenient to stretch and push the solution to be extruded from the bottom end of the charging barrel, the two molds are pushed to be closed through the electric push rod, and the extruded plastic is cut off through the matching of the sleeve and the cutter.

Description

Preparation method of degradable plastic

Technical Field

The invention relates to the technical field of degradable plastics, in particular to a preparation method of degradable plastics.

Background

Degradable plastics, also called as environment degradable plastics, are plastics which are added with a certain amount of additives in the production process to reduce the stability and are then easily degraded in natural environment, and the main application fields of the degradable plastics are agricultural mulching films, various plastic packaging bags, garbage bags, shopping bags in markets, disposable tableware and the like;

however, when the existing degradable plastics are prepared, the preparation efficiency is poor, the production requirements cannot be met, and meanwhile, in the process of plastic extrusion, the thickness of the material cannot be adjusted, so that the adaptability is affected, so for these situations, in order to avoid the above technical problems, it is necessary to provide a preparation method of degradable plastics to overcome the defects in the prior art.

Disclosure of Invention

The invention provides a preparation method of degradable plastics, which can effectively solve the problems that the preparation efficiency in the aspects of the background technology is poor, the production requirement cannot be met, and meanwhile, the thickness of the material cannot be adjusted in the plastic extrusion process, so that the adaptability is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of degradable plastic comprises the following steps:

s1, feeding raw materials into a mixing drum, starting a driving motor to mix the raw materials, and heating the raw materials in the mixing drum through a heating plate to prepare degradable plastics;

s2, after stirring is finished, starting a rotating motor, transmitting power through the matching of a driving wheel and a belt, driving a transmission rod to rotate, then driving a connecting rod and a spiral blanking plate to rotate through the matching of a driving gear and a driven gear, and uniformly feeding the stirred material into an extrusion pipe;

s3, driving the conveying auger to rotate by the rotating motor, conveying the stirred material, and pushing out the molten plastic from the bottom end of the material barrel;

s4, pushing the two dies to be assembled through an electric push rod, cutting extruded plastics through the matching of a sleeve and a cutter, and injecting gas into the hollow vertical rod through a gas inlet pipe;

and S5, finally, in the blow molding process, water in the water tank is pumped in through the cooperation of the water pump and the water pumping hose and is sent into a heat exchange cavity in the mold.

Preferably, a placing frame is clamped at one side of the top end of the bottom frame, a mixing drum is fixedly connected to the top end of the placing frame through bolts, heating plates are fixedly connected to the outer side of the mixing drum at equal intervals through bolts, a convenient extrusion blow molding mechanism is arranged at the top end of the bottom frame, the solution is fed into the charging drum through an extrusion pipe, the pressing plate is pushed to ascend along with the increase of the solution in the charging drum, when the ejector rod is forced to be attached to the touch switch, power supply to the electromagnet is removed, the electromagnet loses the adsorption effect on a magnetic ring in the sealing plate, and the supporting spring and the pressing plate are convenient to cooperate to push the solution out of the bottom end of the charging drum;

the bottom end of the placing frame is provided with a circulating heat exchange and heat preservation mechanism, the inside of the water tank is sent into a heat exchange cavity through the cooperation of a water pump and a water pumping hose, so that the solution in the mold is cooled, hot water after heat exchange is sent into the connecting ring through the water outlet hose as the water in the heat exchange cavity increases, and when the water in the connecting ring increases, the sealing ball is pushed to move, so that the hot water after heat exchange is conveniently sent into the heat preservation pipe;

the inside high-efficient rabbling mechanism that is provided with of churn, driving motor drive cross bull stick is rotatory, drives sliding sleeve and stirring leaf and in the inside rotation of churn, stirs raw and other materials to utilize the hot plate to heat at the in-process of stirring, simultaneously at the rotatory in-process of sliding sleeve, through the cooperation of ball seat, traction lever and last ball seat down, drive slide and bearing wheel and rotate along oval rotary trough is inside, pulling sliding sleeve and stirring leaf slide from top to bottom in the churn is inside.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:

1. the convenient extrusion blow molding mechanism is arranged, the solution is accumulated in the material cylinder, the pressing plate is pushed to ascend, when the pressing plate pushes the ejector rod to be attached to the touch switch, the power supply to the electromagnet is removed, the sealing plate is forced to be separated from the retaining ring, the supporting spring is convenient to stretch and push the solution to be extruded out from the bottom end of the material cylinder, the two molds are pushed to be matched through the electric push rod, the extruded plastic is cut through the matching of the sleeve and the cutter, the gas can conveniently penetrate through the gas inlet pipe, the hollow vertical rod and the vertical cylinder, the plastic is blown up in the molds, the blow molding is completed, after the solution is discharged out of the material cylinder, the electromagnet is powered back, the sealing plate and the magnetic ring are adsorbed, the retaining ring is sealed again, the solution can be conveniently and continuously stored, the blow molding is continuously carried out, and the convenience is improved;

in addition, it is rotatory to drive the lifter through the knob, makes the lifter drive connecting block, riser and chock remove, has adjusted the clearance between chock and the feed cylinder, has changed the thickness that plastics were extruded, has improved adaptability, and the pole is adjusted in the rotation simultaneously, makes the regulation pole drive touch switch and removes in feed cylinder inside, adjusts the distance between touch switch and the ejector pin, and the inside solution storage capacity of feed cylinder is adjusted as required to the convenience, and the plastics of the equidimension of being convenient for blow molding.

2. Circulating heat exchange and heat preservation mechanism have been set up, through water pump and the cooperation of flexible pipe that draws water, with the inside water suction of water tank, send into inside the inside heat transfer cavity of mould, cool down the inside solution of mould, plastic forming's efficiency has been improved, the speed of plastics preparation has been increased, water along with the heat transfer cavity inside increases, cooperation through the flexible pipe that goes out, hot water after the heat transfer is sent into inside the go-between, water when the go-between inside increases, promote the ball sealer and remove, relieve the sealed between go-between and the insulating tube, be convenient for send into the insulating tube with hot water after the heat transfer together inside, keep warm to the inside solution of extruding tube, prevent that solution from solidifying, the utilization ratio to the energy has been improved, then in the cooperation through another go-between and back flow, return water tank with water, recycle.

3. The efficient stirring mechanism is arranged, the cross rotating rod, the sliding sleeve and the stirring blade are driven to rotate in the stirring cylinder through the driving motor to stir raw materials, the raw materials are heated through the heating plate in the stirring process, and meanwhile, in the rotating process of the sliding sleeve, a component is formed through the matching of the lower ball seat, the traction rod and the upper ball seat to drive the sliding plate and the bearing wheel to rotate along the inside of the oval rotating groove and pull the sliding sleeve and the stirring blade to slide up and down on the outer side of the cross rotating rod, so that the stirring effect is improved, meanwhile, the rotating ring, the movable ring and the shovel plate are also pulled to slide up and down on the inner wall of the stirring cylinder, the material adhered to the inner wall of the stirring cylinder is conveniently shoveled down, and the material waste is prevented;

in addition, through drive wheel and belt cooperation, transmit power, it is rotatory to drive the transfer line to through driving gear and driven gear's cooperation, further transmit power, it is rotatory to drive connecting rod and spiral blanking plate, and the material that will stir is evenly sent into and is extruded intraduct, prevents that disposable unloading is too much, reduces the piling up of the inside solution of extruding.

Synthesize, improved the stirring effect to the material through high-efficient rabbling mechanism, improved the efficiency that the material mixes, then convenient extrusion blow molding mechanism, quick, continuous carries out blow molding to the plastic, has improved the convenience of production, satisfies the demand that plastics production was prepared, in addition through circulation heat transfer and heat preservation mechanism, utilizes the energy, at the in-process of preparation, cools down and keeps warm to plastics.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic diagram of the step structure of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural view of a convenient extrusion blow molding mechanism of the present invention;

FIG. 4 is a schematic view of the mounting structure of the lifter of the present invention;

FIG. 5 is a schematic view of the mounting structure of the water pump of the present invention;

FIG. 6 is a schematic structural diagram of a circulating heat exchange and heat preservation mechanism of the present invention;

FIG. 7 is a schematic structural diagram of a high-efficiency stirring mechanism of the present invention;

fig. 8 is a schematic view of the mounting structure of the rotating ring of the present invention.

The reference numbers in the figures: 1. a chassis; 2. placing a rack; 3. a mixing drum; 4. heating plates;

5. the extrusion blow molding mechanism is convenient; 501. a fixing frame; 502. extruding a pipe; 503. a rotating electric machine; 504. conveying the auger; 505. a connecting pipe; 506. a bracket; 507. a charging barrel; 508. a hollow vertical rod; 509. a vertical cylinder; 510. a chock; 511. a limiting block; 512. a lifting rod; 513. connecting blocks; 514. a baffle ring; 515. an electromagnet; 516. a sealing plate; 517. a magnetic ring; 518. pressing a plate; 519. a support spring; 520. a top rod; 521. adjusting a rod; 522. a touch switch; 523. an electric push rod; 524. a mold; 525. a sleeve; 526. a cutter; 527. a slag discharge port; 528. a slag collection box; 529. an air inlet pipe;

6. a circulating heat exchange and heat preservation mechanism; 601. a connecting ring; 602. a heat-insulating pipe; 603. an elastic cord; 604. a sealing ball; 605. a return pipe; 606. a water tank; 607. a water pump; 608. a water pumping hose; 609. a heat exchange chamber; 610. a water outlet hose;

7. a high-efficiency stirring mechanism; 701. a cover plate; 702. a drive motor; 703. a cross rotating rod; 704. a convex plate; 705. an elliptical rotating groove; 706. a slide plate; 707. a load-bearing wheel; 708. an upper ball seat; 709. a draw bar; 710. a sliding sleeve; 711. stirring blades; 712. a movable ring; 713. a shovel plate; 714. a rotating ring; 715. a ball seat is arranged; 716. a rotating drum; 717. a transverse plate; 718. a connecting rod; 719. a spiral blanking plate; 720. a driven gear; 721. a fixing plate; 722. a transmission rod; 723. a driving gear; 724. a driving wheel; 725. a belt.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1 to 8, the present invention provides a technical solution, a method for preparing degradable plastics, comprising the following steps:

s1, feeding raw materials into a mixing drum 3, starting a driving motor 702 to mix the raw materials, and heating the raw materials in the mixing drum 3 through a heating plate 4 to prepare degradable plastics;

s2, after stirring is finished, starting the rotating motor 503, matching the driving wheel 724 with the belt 725 to transmit power to drive the driving rod 722 to rotate, matching the driving gear 723 with the driven gear 720 to drive the connecting rod 718 and the spiral blanking plate 719 to rotate, and uniformly feeding the stirred material into the extrusion pipe 502;

s3, driving the conveying auger 504 to rotate by the rotating motor 503, conveying the stirred material, and pushing the molten plastic out of the bottom end of the charging barrel 507;

s4, the two dies 524 are pushed by the electric push rod 523 to be matched, extruded plastics are cut off by the matching of the sleeve 525 and the cutter 526, and then gas is injected into the hollow vertical rod 508 through the gas inlet pipe 529;

and S5, finally, in the blow molding process, water in the water tank 606 is pumped in through the cooperation of the water pump 607 and the water pumping hose 608 and is sent into the heat exchange chamber 609 inside the mold 524.

A placing frame 2 is clamped at one side of the top end of the underframe 1, the top end of the placing frame 2 is fixedly connected with a mixing drum 3 through bolts, the outer side of the mixing drum 3 is fixedly connected with heating plates 4 at equal intervals through bolts, a convenient extrusion blow molding mechanism 5 is arranged at the top end of the underframe 1, the solution is sent into the charging barrel 507 through an extrusion pipe 502, and a pressing plate 518 is pushed to ascend along with the increase of the solution in the charging barrel 507, so that when a top rod 520 is forced to be attached to a touch switch 522, the power supply to an electromagnet 515 is removed, the electromagnet 515 loses the adsorption effect on a magnetic ring 517 in a sealing plate 516, and a supporting spring 519 is convenient to be matched with the pressing plate 518 to push the solution out of the bottom end of the charging barrel 507;

the bottom end of the placing frame 2 is provided with a circulating heat exchange and heat preservation mechanism 6, the inside of the water tank 606 is fed into a heat exchange chamber 609 through the cooperation of a water pump 607 and a water pumping hose 608, so that the solution in the mold 524 is cooled, as the water in the heat exchange chamber 609 increases, the hot water after heat exchange is fed into the connecting ring 601 through a water outlet hose 610, and when the water in the connecting ring 601 increases, the sealing ball 604 is pushed to move, so that the hot water after heat exchange is conveniently fed into the heat preservation pipe 602 together;

a high-efficiency stirring mechanism 7 is arranged in the stirring cylinder 3, a driving motor 702 drives a cross rotating rod 703 to rotate, a sliding sleeve 710 and a stirring blade 711 are driven to rotate in the stirring cylinder 3 to stir raw materials, a heating plate 4 is used for heating in the stirring process, and meanwhile, in the rotating process of the sliding sleeve 710, a sliding plate 706 and a bearing wheel 707 are driven to rotate along the inside of an elliptical rotating groove 705 through the matching of a lower ball seat 715, a traction rod 709 and an upper ball seat 708, so that the sliding sleeve 710 and the stirring blade 711 are pulled to slide up and down in the stirring cylinder 3;

the convenient extrusion blow molding mechanism 5 comprises a fixing frame 501, an extrusion pipe 502, a rotating motor 503, a conveying auger 504, a connecting pipe 505, a bracket 506, a charging barrel 507, a hollow vertical rod 508, a vertical barrel 509, a plug block 510, a limiting block 511, a lifting rod 512, a connecting block 513, a baffle ring 514, an electromagnet 515, a sealing plate 516, a magnetic ring 517, a pressing plate 518, a supporting spring 519, a push rod 520, an adjusting rod 521, a touch switch 522, an electric push rod 523, a mold 524, a sleeve 525, a cutter 526, a slag discharge hole 527, a slag collection box 528 and an air inlet pipe 529;

a fixing frame 501 is clamped at the bottom end of the placing frame 2, an extrusion pipe 502 is clamped in the fixing frame 501, one end of the extrusion pipe 502 is fixedly connected with a rotating motor 503 through a bolt, a conveying auger 504 is clamped at a position, corresponding to the inner part of the extrusion pipe 502, of an output shaft of the rotating motor 503, the other end of the extrusion pipe 502 is connected with a connecting pipe 505 through a thread, a bracket 506 is clamped at a position, corresponding to one side of the connecting pipe 505, at the top end of the bottom frame 1, a charging barrel 507 is connected at a position, corresponding to the top of the bracket 506, of one end of the extrusion pipe 502, a hollow vertical rod 508 is clamped in the charging barrel 507, an air inlet pipe 529 is clamped at one end of the hollow vertical rod 508, a vertical cylinder 509 is connected at a position, a plug block 510 is fixedly sleeved outside the vertical cylinder 509, limiting blocks 511 are clamped in the hollow vertical rod 508 at equal intervals, the inner wall of the limiting blocks 511 are movably connected with lifting rods 512, the bottom end of the lifting rods 512 is fixedly connected with a connecting block 513 through a bolt, and two ends of the connecting block 513 are fixedly connected with the inner wall of the vertical cylinder 509;

a baffle ring 514 is clamped at the position, corresponding to the top of the plug block 510, on the inner wall of the charging barrel 507, an electromagnet 515 is embedded and installed inside the baffle ring 514, a sealing plate 516 is sleeved on a movable sleeve ring at the position, corresponding to the bottom of the baffle ring 514, outside the hollow vertical rod 508, a magnetic ring 517 is embedded and installed inside the sealing plate 516, a pressing plate 518 is movably connected at the position, corresponding to the top of the baffle ring 514, inside the charging barrel 507, a supporting spring 519 is clamped at the position, corresponding to the outside of the hollow vertical rod 508, at the top of the pressing plate 518, a top rod 520 is fixedly connected through a bolt at the position, corresponding to the outside of the supporting spring 519, at the top of the charging barrel 507, an adjusting rod 521 is connected through a thread at the position, corresponding to the top of the top rod 520, the bottom end of the adjusting rod 521 is fixedly connected with a touch switch 522 through a bolt, in order to improve the blow molding efficiency, one end of a connecting pipe 505 is fixedly connected with one end of the charging barrel 507, a check valve is installed inside the connecting pipe 505, the top end of the extrusion pipe 502 is fixedly connected with a feed hopper, the rotating motor 503 and the electromagnet 515 are powered by an external power supply, the input end of the electromagnet 515 is connected with the signal output end of the touch switch 522, a knob is welded at the position, corresponding to the top of the hollow vertical rod 508, at the top end of the lifting rod 512, the electromagnet 515 and the magnetic ring 517 are mutually adsorbed, and the inner wall of the pressing plate 518 is attached to the outer side of the hollow vertical rod 508;

the inner wall of the bracket 506 is symmetrically and fixedly connected with an electric push rod 523 through bolts, one end of the electric push rod 523 is fixedly connected with a mold 524 through bolts corresponding to the top of the bracket 506, the top end of the mold 524 is fixedly connected with a sleeve 525, the top position of the inner wall of the sleeve 525 is clamped with a cutter 526, the bottom end of the bracket 506 is provided with a slag discharge hole 527, the top end of the underframe 1 is clamped with a slag collection box 528 corresponding to the bottom position of the slag discharge hole 527, in order to improve the convenience of mold closing, the bottom end of the mold 524 is slidably connected with the top end of the bracket 506, the top end of the sleeve 525 is attached to the bottom end of the charging barrel 507, and the electric push rod 523 supplies power through an external power supply;

the bottom end of the placing frame 2 is provided with a circulating heat exchange and heat preservation mechanism 6, and the circulating heat exchange and heat preservation mechanism 6 comprises a connecting ring 601, a heat preservation pipe 602, an elastic rope 603, a sealing ball 604, a return pipe 605, a water tank 606, a water pump 607, a water pumping hose 608, a heat exchange chamber 609 and a water outlet hose 610;

the two ends of the fixing frame 501 corresponding to the two sides of the extrusion pipe 502 are fixedly connected with connecting rings 601 through bolts, the adjacent ends of the two connecting rings 601 are clamped with heat preservation pipes 602 at equal intervals corresponding to the inner position of the fixing frame 501, the inner wall of one connecting ring 601 corresponding to one side of the heat preservation pipe 602 is fixedly connected with an elastic rope 603, one end of the elastic rope 603 corresponding to the inner position of the heat preservation pipe 602 is clamped with a sealing ball 604, the bottom end of the other connecting ring 601 is clamped with a return pipe 605, in order to improve the heat preservation effect, a cavity is arranged inside the connecting ring 601, a through hole is arranged between the heat preservation pipe 602 and the cavity, the inner diameter of the through hole is smaller than the diameter of the sealing ball 604, and the outer side of the sealing ball 604 is attached to the inner wall of the through hole;

a water tank 606 is clamped at the bottom end of the placing frame 2 corresponding to the bottom of the fixing frame 501, one end of the water tank 606 is symmetrically and fixedly connected with a water pump 607 through a bolt, one end of the water pump 607 is connected with a water pumping hose 608 through a thread, a heat exchange chamber 609 is arranged inside the mold 524, a water outlet hose 610 is clamped at the position of one end of the mold 524 corresponding to the outer side of the heat exchange chamber 609, in order to recycle water, the bottom end of the return pipe 605 is fixedly connected with the top end of the water tank 606, the other end of the water pumping hose 608 is connected with one end of the mold 524 through a thread, the water pump 607 supplies power through an external power supply, and the other end of the water outlet hose 610 is fixedly connected with one end of the connecting ring 601;

the high-efficiency stirring mechanism 7 comprises a cover plate 701, a driving motor 702, a cross rotating rod 703, a convex plate 704, an elliptical rotating groove 705, a sliding plate 706, a bearing wheel 707, an upper ball seat 708, a traction rod 709, a sliding sleeve 710, a stirring blade 711, a movable ring 712, a shovel plate 713, a rotating ring 714, a lower ball seat 715, a rotating cylinder 716, a transverse plate 717, a connecting rod 718, a spiral blanking plate 719, a driven gear 720, a fixing plate 721, a driving rod 722, a driving gear 723, a transmission wheel 724 and a belt 725;

a cover plate 701 is fixedly connected to the top end of the mixing drum 3 through a bolt, a driving motor 702 is fixedly connected to the top end of the cover plate 701 through a bolt, a cross rotating rod 703 is clamped at a position, corresponding to the inner position of the mixing drum 3, of an output shaft of the driving motor 702, an elliptical rotating groove 705 is formed in the bottom end of the cover plate 701 through a bolt, a sliding plate 706 is symmetrically and slidably connected to a position, corresponding to the bottom of the elliptical rotating groove 705, at the bottom of the protruding plate 704, a bearing wheel 707 is rotatably connected to a position, corresponding to the inner position of the elliptical rotating groove 705, at the top end of the sliding plate 706, an upper ball seat 708 is symmetrically and fixedly connected to the bottom end of the upper ball seat 708 through a bolt, a traction rod 709 is movably connected to the bottom end of the upper ball seat 708, a sliding sleeve 710 is movably sleeved outside the cross rotating rod 703, in order to drive the sliding plate 706 to rotate the sliding plate 710, a limit groove is formed in an equidistant manner on the inner wall of the sliding sleeve 710, both 715 4 and the driving motor 702 are powered by an external power supply, the protruding plate 704 is elliptical rotating plate, a convex plate 704 is in an elliptical rotating groove 705, a convex groove 710 is in an equidistant manner, a rotating plate 712 is movably connected to the outer side of the heating plate 712, a rotating ring 712 is connected to the outer side of the rotating ring 712, and a rotating ring 714 is connected to the rotating ring 714, and a rotating ring 714 is connected to the outer side of the rotating ring 714, and a rotating ring 714 is connected to the rotating ring 714, and a rotating ring 714 is symmetrically and a rotating ring 714 is connected to the rotating ring 714;

the bottom end of the stirring cylinder 3 is rotatably connected with a rotary drum 716, a transverse plate 717 is clamped on the inner wall of the rotary drum 716, the top end of the transverse plate 717 is rotatably connected with a connecting rod 718, a spiral blanking plate 719 is clamped at a position, corresponding to the inner position of the rotary drum 716, on the outer side of the rotary drum 716, a driven gear 720 is fixedly sleeved, a fixing plate 721 is fixedly connected with the placing frame 2 through bolts, the inner wall of the fixing plate 721 is rotatably connected with a transmission rod 722, a driving gear 723 is clamped at a position, corresponding to the outer side of the driven gear 720, on one end of the transmission rod 722, driving wheels 724 are fixedly sleeved on the outer sides of the transmission rod 722 and the rotating motor 503, belts 725 are sleeved on the outer sides of the two driving wheels 724, power is transmitted conveniently, the top end of the connecting rod 718 is rotatably connected with the bottom end of the cross rotary rod 703, the other end of the traction rod 709 is movably connected with one end of a lower ball seat 715, the outer side of the spiral blanking plate 719 is attached to the inner wall of the rotary drum 716, the driving gear 723 and the driven gear 720 are mutually engaged with each other, and the driving gear 723 and the driven gear 720 are both bevel gears.

The working principle and the using process of the invention are as follows: firstly, raw materials are fed into a mixing drum 3, then a driving motor 702 is started, the driving motor 702 drives a cross rotating rod 703 to rotate, so that a sliding sleeve 710 and a mixing blade 711 are driven to rotate in the mixing drum 3 to mix the raw materials, meanwhile, the raw materials in the mixing drum 3 are heated through a heating plate 4, degradable plastics are prepared, in addition, in the rotating process of the sliding sleeve 710, an assembly is formed through the matching of a lower ball seat 715, a traction rod 709 and an upper ball seat 708, a sliding plate 706 and a bearing wheel 707 are driven to rotate along the interior of an elliptical rotating groove 705, and the sliding sleeve 710 and the mixing blade 711 are pulled to slide up and down in the mixing drum 3, so that the mixing effect is improved, and the raw materials are fully mixed;

then, in the process of rotating and stirring, the rotating ring 714 and the movable ring 712 can be pulled to slide up and down in the stirring cylinder 3 through the matching of the lower ball seat 715, the traction rod 709 and the upper ball seat 708, so that the shovel plate 713 is forced to slide on the inner wall of the stirring cylinder 3, and materials adhered to the inner wall of the stirring cylinder 3 can be conveniently shoveled down, and the waste of the materials is prevented;

then, after the stirring is completed, the rotating motor 503 is started, the driving wheel 724 is matched with the belt 725 to transmit power, the driving rod 722 is driven to rotate, then the driving gear 723 is matched with the driven gear 720 to further transmit power, the connecting rod 718 and the spiral blanking plate 719 are driven to rotate, the stirred materials are uniformly fed into the extrusion pipe 502, excessive one-time blanking is prevented, the materials are accumulated in the extrusion pipe 502, and the extrusion effect is guaranteed;

then, the rotating motor 503 drives the conveying auger 504 to rotate, conveys the stirred material, enables the material to enter the material cylinder 507 through the connecting pipe 505, pushes the pressing plate 518 to rise along with the accumulation of the material in the material cylinder 507, forces the supporting spring 519 to contract, releases the power supply to the electromagnet 515 when the pressing plate 518 rises and pushes the ejector rod 520 to be attached to the touch switch 522, enables the electromagnet 515 to lose the adsorption effect on the magnetic ring 517 in the sealing plate 516, enables the supporting spring 519 to stretch and push the plastic in a molten state, forces the sealing plate 516 to be separated from the retaining ring 514, and pushes the plastic in the molten state out of the bottom end of the material cylinder 507;

then, an electric push rod 523 pushes two molds 524 to be closed, extruded plastics are cut off through the matching of a sleeve 525 and a cutter 526, air is injected into the hollow vertical rod 508 through an air inlet pipe 529, the air passes through the hollow vertical rod 508 and a vertical cylinder 509, the plastics are blown up in the mold 524, and blow molding is completed, in addition, a knob is rotated to drive a lifting rod 512 to rotate, the lifting rod 512 drives a connecting block 513, the vertical cylinder 509 and a plug block 510 to move, a gap between the plug block 510 and a material cylinder 507 is adjusted, the thickness of the extruded plastics is changed, adaptability is improved, meanwhile, an adjusting rod 521 is rotated, the adjusting rod 521 drives the touch switch 522 to move in the material cylinder 507, the distance between the touch switch 522 and the push rod 520 is adjusted, the solution storage capacity in the material cylinder is conveniently adjusted according to needs, and the plastics with different sizes are blown;

then, after the solution is discharged out of the charging barrel 507, the electromagnet 515 is powered back to adsorb the sealing plate 516 and the magnetic ring 517 and seal the baffle ring 514 again, so that the solution can be conveniently stored in and out continuously, continuous blow molding is performed, convenience is improved, and in addition, cut-off and fed materials can be conveniently collected through the slag discharge port 527 and the slag collection box 528 for cyclic utilization;

finally, in the process of blowing, water in the water tank 606 is pumped in through the cooperation of the water pump 607 and the water pumping hose 608 and is sent into the heat exchange chamber 609 in the mold 524, so that the solution in the mold 524 is cooled, the efficiency of plastic molding is improved, the speed of plastic preparation is increased, as the water in the heat exchange chamber 609 is increased, the hot water after heat exchange is sent into the connecting ring 601 through the cooperation of the water outlet hose 610, when the water in the connecting ring 601 is increased, the sealing ball 604 is pushed to move, the sealing between the connecting ring 601 and the heat preservation pipe 602 is released, the hot water after heat exchange is conveniently sent into the heat preservation pipe 602 together, the solution in the extrusion pipe 502 is preserved heat, the solution is prevented from being solidified, the utilization rate of energy sources is improved, and then the water is sent back to the water tank 606 through the cooperation of the other connecting ring 601 and the return pipe 605 for recycling.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A preparation method of degradable plastics is characterized by comprising the following steps: the method comprises the following steps:

s1, feeding raw materials into a mixing drum (3), starting a driving motor (702), mixing the raw materials, and simultaneously heating the raw materials in the mixing drum (3) through a heating plate (4) to prepare degradable plastics;

s2, after stirring is completed, starting a rotating motor (503), transmitting power through the matching of a driving wheel (724) and a belt (725), driving a driving rod (722) to rotate, then driving a connecting rod (718) and a spiral blanking plate (719) to rotate through the matching of a driving gear (723) and a driven gear (720), and uniformly feeding the stirred material into an extrusion pipe (502);

s3, driving the conveying auger (504) to rotate by the rotating motor (503), conveying the stirred material, and pushing out the molten plastic from the bottom end of the charging barrel (507);

s4, the two dies (524) are pushed to be matched through the electric push rod (523), extruded plastics are cut off through the matching of the sleeve (525) and the cutter (526), and then gas is injected into the hollow vertical rod (508) through the gas inlet pipe (529);

and S5, finally, in the blow molding process, water in the water tank (606) is pumped into a heat exchange chamber (609) in the mold (524) through the cooperation of a water pump (607) and a water pumping hose (608).

2. The method for preparing degradable plastic according to claim 1, wherein the method comprises the following steps: the bottom frame (1) is clamped with a placing frame (2) at one side of the top end of the bottom frame (1), the top end of the placing frame (2) is fixedly connected with a stirring cylinder (3) through bolts, the outer side of the stirring cylinder (3) is fixedly connected with a heating plate (4) through bolts at equal intervals, a convenient extrusion blow molding mechanism (5) is arranged at the top end of the bottom frame (1), a solution is sent into a material cylinder (507) through an extrusion pipe (502), a pressing plate (518) is pushed to rise along with the increase of the solution in the material cylinder (507), when a push rod (520) is forced to be attached to a touch switch (522), the power supply to an electromagnet (515) is removed, the electromagnet (515) loses the adsorption effect on a magnetic ring (517) in a sealing plate (516), a supporting spring (519) and the pressing plate (518) are convenient to cooperate, and the solution is pushed out from the bottom end of the material cylinder (507);

the bottom end of the placing frame (2) is provided with a circulating heat exchange and heat preservation mechanism (6), the inside of a water tank (606) is sent into a heat exchange chamber (609) through the cooperation of a water pump (607) and a water pumping hose (608), so that the solution in a mold (524) is cooled, hot water after heat exchange is sent into a connecting ring (601) through a water outlet hose (610) along with the increase of water in the heat exchange chamber (609), and when the water in the connecting ring (601) is increased, a sealing ball (604) is pushed to move, so that the hot water after heat exchange is conveniently sent into a heat preservation pipe (602) together;

a high-efficiency stirring mechanism (7) is arranged in the stirring cylinder (3), a driving motor (702) drives a cross rotating rod (703) to rotate, a sliding sleeve (710) and a stirring blade (711) are driven to rotate in the stirring cylinder (3) to stir raw materials, a heating plate (4) is used for heating in the stirring process, meanwhile, in the rotating process of the sliding sleeve (710), a sliding plate (706) and a bearing wheel (707) are driven to rotate along the inside of an elliptical rotating groove (705) through the matching of a lower ball seat (715), a traction rod (709) and an upper ball seat (708), and the sliding sleeve (710) and the stirring blade (711) are pulled to slide up and down in the stirring cylinder (3).

3. The method for preparing degradable plastic according to claim 2, wherein the method comprises the following steps: the convenient extrusion blow molding mechanism (5) comprises a fixing frame (501), an extrusion pipe (502), a rotating motor (503), a conveying auger (504), a connecting pipe (505), a bracket (506), a charging barrel (507), a hollow vertical rod (508), a vertical barrel (509), a stopper block (510), a limiting block (511), a lifting rod (512), a connecting block (513), a baffle ring (514), an electromagnet (515), a sealing plate (516), a magnetic ring (517), a pressing plate (518), a supporting spring (519), a push rod (520), an adjusting rod (521), a touch switch (522), an electric push rod (523), a mold (524), a sleeve (525), a cutting knife (526), a slag discharge port (527), a slag collection box (528) and an air inlet pipe (529);

the bottom end of the placing frame (2) is connected with a fixing frame (501) in a clamped manner, an extrusion pipe (502) is connected in the fixing frame (501) in a clamped manner, one end of the extrusion pipe (502) is fixedly connected with a rotating motor (503) through a bolt, an output shaft of the rotating motor (503) is connected with a conveying auger (504) in a clamped manner in the position corresponding to the inside of the extrusion pipe (502), the other end of the extrusion pipe (502) is connected with a connecting pipe (505) through a thread, a bracket (506) is connected in the position corresponding to one side of the top connecting pipe (505) of the chassis (1), one end of the extrusion pipe (502) is connected with a charging barrel (507) in the position corresponding to the top of the bracket (506), the inside of the charging barrel (507) is connected with a hollow vertical rod (508) in a clamped manner, an air inlet pipe (529) is connected in one end of the hollow vertical rod (508) in a clamped manner, the position corresponding to the outside of the hollow vertical rod (508) is connected with a vertical barrel (509) through a thread, a plug block (510) is connected in the outside of the vertical barrel (509), a fixing sleeve (511) is connected in the inside of the hollow vertical rod (508) in a clamped manner with a limiting block (511), the inner wall of the limiting block (511) is connected with a lifting rod (512) through a bolt fixing block (513), and the inner wall is connected with a fixed connection block (513 through a connecting block (509) through a fixed in the inner wall (509) and connected with two ends of the inner wall (509) through a fixed in the inner wall;

a baffle ring (514) is clamped at the position, corresponding to the top, of the plug block (510) on the inner wall of the charging barrel (507), an electromagnet (515) is embedded into the baffle ring (514), a sealing plate (516) is movably sleeved at the position, corresponding to the bottom, of the baffle ring (514) on the outer side of the hollow vertical rod (508), a magnetic ring (517) is embedded into the sealing plate (516), a pressing plate (518) is movably connected at the position, corresponding to the top, of the baffle ring (514) in the charging barrel (507), a supporting spring (519) is clamped at the position, corresponding to the outer side of the hollow vertical rod (508), of the top end of the pressing plate (518), a top rod (520) is fixedly connected at the position, corresponding to the top of the top rod (520), of the charging barrel (507), an adjusting rod (521) is connected through a thread, and the bottom end of the adjusting rod (521) is fixedly connected with a touch switch (522) through a bolt;

bracket (506) inner wall passes through bolt symmetry fixedly connected with electric putter (523), electric putter (523) one end corresponds bracket (506) top position department through bolt fixedly connected with mould (524), mould (524) top fixedly connected with sleeve (525), and sleeve (525) inner wall top position department joint has cutter (526), row's cinder notch (527) has been seted up to bracket (506) bottom, and chassis (1) top corresponds row's cinder notch (527) bottom position department joint has collection sediment case (528).

4. The method for preparing degradable plastic according to claim 3, wherein the method comprises the following steps: connecting pipe (505) one end and feed cylinder (507) one end fixed connection, and connecting pipe (505) internally mounted has the check valve, extrusion pipe (502) top fixedly connected with feeder hopper, rotating electrical machines (503) and electro-magnet (515) all supply power through external power source, and the input of electro-magnet (515) is connected with touch switch (522)'s signal output part, the hollow montant (508) top position department welding that corresponds in lifter (512) top has the knob, electro-magnet (515) adsorb each other with magnetic ring (517), clamp plate (518) inner wall is laminated with hollow montant (508) outside mutually.

5. The method for preparing degradable plastic according to claim 3, wherein the method comprises the following steps: the bottom end of the die (524) is connected with the top end of the bracket (506) in a sliding mode, the top end of the sleeve (525) is attached to the bottom end of the charging barrel (507), and the electric push rod (523) supplies power through an external power supply.

6. The method for preparing degradable plastic according to claim 3, wherein the method comprises the following steps: the circulating heat exchange and heat preservation mechanism (6) comprises a connecting ring (601), a heat preservation pipe (602), an elastic rope (603), a sealing ball (604), a return pipe (605), a water tank (606), a water pump (607), a water pumping hose (608), a heat exchange chamber (609) and a water outlet hose (610);

connecting rings (601) are fixedly connected to the two ends of the fixing frame (501) corresponding to the two sides of the extrusion pipe (502) through bolts, heat insulation pipes (602) are clamped at equal intervals at the positions of the two adjacent connecting rings (601) corresponding to the inner position of the fixing frame (501), an elastic rope (603) is fixedly connected to the position of one side of the inner wall of one connecting ring (601) corresponding to the heat insulation pipe (602), a sealing ball (604) is clamped at one end of the elastic rope (603) corresponding to the inner position of the heat insulation pipe (602), and a return pipe (605) is clamped at the bottom end of the other connecting ring (601);

the bottom of the placing frame (2) is correspondingly connected with a water tank (606) at the bottom of the fixing frame (501), one end of the water tank (606) is connected with a water pump (607) through a bolt, one end of the water pump (607) is connected with a water pumping hose (608) through a thread, a heat exchange chamber (609) is arranged inside the mold (524), and a water outlet hose (610) is connected at the position of one end of the mold (524) corresponding to the outer side of the heat exchange chamber (609).

7. The method for preparing degradable plastic according to claim 6, wherein the method comprises the following steps: the cavity is formed in the connecting ring (601), a through hole is formed between the heat preservation pipe (602) and the cavity, the inner diameter of the through hole is smaller than the diameter of the sealing ball (604), and the outer side of the sealing ball (604) is attached to the inner wall of the through hole.

8. The method for preparing degradable plastic according to claim 6, wherein: the bottom end of the return pipe (605) is fixedly connected with the top end of the water tank (606), the other end of the water pumping hose (608) is connected with one end of the mold (524) through threads, the water pump (607) supplies power through an external power supply, and the other end of the water outlet hose (610) is fixedly connected with one end of the connecting ring (601).

9. The method for preparing degradable plastic according to claim 3, wherein: the efficient stirring mechanism (7) comprises a cover plate (701), a driving motor (702), a cross rotating rod (703), a convex plate (704), an elliptical rotating groove (705), a sliding plate (706), a bearing wheel (707), an upper ball seat (708), a traction rod (709), a sliding sleeve (710), a stirring blade (711), a movable ring (712), a shovel plate (713), a rotating ring (714), a lower ball seat (715), a rotating cylinder (716), a transverse plate (717), a connecting rod (718), a spiral discharging plate (719), a driven gear (720), a fixing plate (721), a driving rod (722), a driving gear (723), a transmission wheel (724) and a belt (725);

the top end of the mixing drum (3) is fixedly connected with a cover plate (701) through a bolt, the top end of the cover plate (701) is fixedly connected with a driving motor (702) through a bolt, the output shaft of the driving motor (702) is clamped with a cross rotating rod (703) at a position corresponding to the inner part of the mixing drum (3), the bottom end of the cover plate (701) is fixedly connected with a convex plate (704) through a bolt at a position corresponding to the inner part of the mixing drum (3), an elliptical rotating groove (705) is formed in the bottom end of the convex plate (704), sliding plates (706) are symmetrically and slidably connected at positions corresponding to the bottom of the elliptical rotating groove (705), the top end of each sliding plate (706) is rotatably connected with a bearing wheel (707) at a position corresponding to the inner part of the elliptical rotating groove (705), the bottom end of each sliding plate (706) is symmetrically and fixedly connected with an upper ball seat (708) through a bolt, and the bottom end of the upper ball seat (708) is movably connected with a traction rod (709);

a sliding sleeve (710) is movably sleeved on the outer side of the cross rotating rod (703), stirring blades (711) are clamped on the outer side of the sliding sleeve (710) at equal intervals, a movable ring (712) is movably connected on the outer side of the stirring cylinder (3), the top end and the bottom end of the movable ring (712) are fixedly connected with shovel plates (713) through bolts, the inner wall of the movable ring (712) is rotatably connected with a rotating ring (714), and the inner wall of the rotating ring (714) and the outer side of the sliding sleeve (710) are symmetrically and fixedly connected with lower ball seats (715) through bolts;

the stirring cylinder (3) bottom is rotated and is connected with rotary drum (716), rotary drum (716) inner wall joint has diaphragm (717), diaphragm (717) top is rotated and is connected with connecting rod (718), the connecting rod (718) outside corresponds rotary drum (716) inside position department joint has spiral flitch (719), the fixed cover in rotary drum (716) outside has been cup jointed driven gear (720), rack (2) are through bolt fixedly connected with fixed plate (721), fixed plate (721) inner wall rotates and is connected with transfer line (722), the joint of transfer line (722) one end correspondence driven gear (720) outside position department has driving gear (723), the transfer line (722) outside and rotating electrical machines (503) outside all fixedly cup jointed drive wheel (724), and belt (725) has all been cup jointed in two drive wheel (724) outsides.

10. The method for preparing degradable plastic according to claim 9, wherein the method comprises the following steps: limiting grooves are formed in the inner wall of the sliding sleeve (710) at equal intervals, the heating plate (4) and the driving motor (702) are powered by an external power supply, the convex plate (704) is oval, the section of the oval rotating groove (705) is a convex groove, and the outer side of the shovel plate (713) is attached to the inner wall of the stirring drum (3);

the top end of the connecting rod (718) is rotatably connected with the bottom end of the cross rotating rod (703), the other end of the traction rod (709) is movably connected with one end of the lower ball seat (715), the outer side of the spiral discharging plate (719) is attached to the inner wall of the rotating cylinder (716), the driving gear (723) and the driven gear (720) are meshed with each other, and the driving gear (723) and the driven gear (720) are bevel gears.

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