CN113198347B - Preparation method of degradable straw raw material PLA polylactic acid - Google Patents

Preparation method of degradable straw raw material PLA polylactic acid Download PDF

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Publication number
CN113198347B
CN113198347B CN202110492425.9A CN202110492425A CN113198347B CN 113198347 B CN113198347 B CN 113198347B CN 202110492425 A CN202110492425 A CN 202110492425A CN 113198347 B CN113198347 B CN 113198347B
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raw material
raw materials
plate
fixedly connected
material stacking
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CN113198347A (en
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叶凯霖
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Dongguan Ruize Chuangyi New Material Co ltd
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Dongguan Ruize Chuangyi New Material Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/80—After-treatment of the mixture
    • B01F23/804—Drying the mixture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
    • B01F27/232—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes
    • B01F27/2322—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes with parallel axes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10—Maintenance of mixers
    • B01F35/12—Maintenance of mixers using mechanical means
    • B01F35/121—Maintenance of mixers using mechanical means using a brush for cleaning out rests of products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
    • B01F35/1453—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2112—Level of material in a container or the position or shape of the upper surface of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/22—Control or regulation
    • B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
    • B01F35/2212—Level of the material in the mixer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/22—Control or regulation
    • B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
    • B01F35/2217—Volume of at least one component to be mixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/31—Couplings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/322—Construction of driving shafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/43—Supporting receptacles on frames or stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/50—Mixing receptacles
    • B01F35/514—Mixing receptacles the mixing receptacle or conduit being transparent or comprising transparent parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7173—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper
    • B01F35/71731—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper using a hopper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
    • B01F35/882—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B01F2035/99—Heating

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Accessories For Mixers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention discloses a preparation method of degradable straw raw material PLA polylactic acid, which comprises the following steps: pouring the raw materials onto the surface of the raw material stacking plate in sequence, pressing the raw material stacking plate downwards by the weight of the raw materials, descending the oval sliding block and the shading baffle plate along with the raw material stacking plate, displaying light rays emitted by a laser lamp through the light holes, and stopping feeding; turning over and pouring: after all the raw materials are added, the oval sliding blocks move downwards to the inside of the circular through grooves, the raw material stacking plate and the oval sliding blocks rotate simultaneously, the raw materials on the surface of the raw material stacking plate are poured into the feeding hopper, the raw materials and the auxiliaries to be added are sequentially placed on the raw material stacking plate, the weight of the raw materials can downwards press the raw material stacking plate, the extrusion spring is compressed, the oval sliding blocks always downwards slide along the sliding grooves, the oval sliding blocks are clamped inside the sliding grooves, the limiting effect is achieved on the rotating shaft, the rotating shaft cannot rotate, and the raw material stacking plate can be prevented from overturning.

Description

Preparation method of degradable straw raw material PLA polylactic acid
Technical Field
The invention relates to the technical field of preparation of PLA polylactic acid materials, in particular to a preparation method of a degradable straw raw material PLA polylactic acid.
Background
Polylactic acid (PLA) is a biodegradable polyester material, the lactic acid used as a raw material for synthesizing the PLA is derived from natural crops such as corn, and the product can be degraded into water and carbon dioxide in the natural environment after being discarded, so the PLA has biodegradability and recyclability, and in addition, the PLA has good biocompatibility and excellent mechanical properties. However, polylactic acid also has disadvantages such as brittleness and low impact strength. The application field of polylactic acid can be widened by improving the toughness of the polylactic acid, the polylactic acid PLA is a novel nontoxic and completely biodegradable high polymer material, and with the improvement of synthesis process, the expansion of production scale, the reduction of cost and the rise of petroleum price in recent years, the polylactic acid is entering a more extensive and universal plastic market, partially replaces plastics such as polyethylene, polyester, polystyrene and the like, and relieves the pollution of the traditional plastics to the environment, so the application of the polylactic acid PLA in the field of high polymer material related products is expected to be rapidly developed;
however, various added raw materials cannot be directly weighed during the preparation of the polylactic acid material at present, the raw materials are weighed for later use before preparation, the steps are complex, the workload is increased for workers, and the proportion of the raw materials is easy to be mistaken, so that the prepared mixture cannot be normally used.
Disclosure of Invention
The invention provides a preparation method of PLA polylactic acid as a degradable straw raw material, which can effectively solve the problems that various added raw materials cannot be directly weighed during preparation of the polylactic acid material in the background technology, the raw materials are weighed for later use before preparation, the steps are complicated, the workload is increased for workers, the proportion of the raw materials is easy to mistake, and the prepared mixture cannot be normally used.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of degradable straw raw material PLA polylactic acid comprises the following steps:
s1: feeding: pouring raw materials onto the surface of a raw material stacking plate in sequence, pressing the raw material stacking plate downwards by the weight of the raw materials, descending the oval sliding block and the shading baffle plate along with the raw material stacking plate, displaying light emitted by a laser lamp through a light hole, and stopping feeding;
s2: turning over and pouring: after all the raw materials are added, the oval sliding block moves downwards to the inside of the circular through groove, the raw material stacking plate and the oval sliding block rotate simultaneously, and the raw materials on the surface of the raw material stacking plate are poured into the feeding hopper;
s3: mixing and processing: the raw materials in the feeding hopper are discharged into the processing tank body, the heater heats the raw materials, and the driving motor drives the main rotating shaft and the auxiliary rotating shaft to rotate simultaneously so as to stir and mix the raw materials;
s4: air flow blowing: the heat in the raw materials heats the water in the water storage tank in the processing process, the generated air flow flows to the annular circular tube through the exhaust pipe and the connecting air pipe and is blown to the inner wall of the feed hopper through the air outlet hole, and the raw materials remained on the inner wall of the feed hopper are blown to the inside of the processing tank body;
s5: discharging: discharging the processed mixed raw materials to the surface of a draining plate through a discharging pipeline, rolling the mixed raw materials when a rolling brush rotates, removing water in the raw materials and pushing the mixed raw materials forwards to the edge of the draining plate;
s6: conveying: the connecting roller and the conveying brush rotate along with the rotating wheel, mixed raw materials at the edge of the draining plate are pushed to the surface of the conveying belt, the conveying shaft and the conveying belt rotate intermittently along with the connecting roller, and the mixed raw materials are conveyed forwards.
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 weighing and feeding mechanism is arranged, raw materials and auxiliaries to be added are sequentially placed on the raw material stacking plate, the weight of the raw materials can downwards press the raw material stacking plate, the extrusion spring is compressed, the oval sliding block always downwards slides along the sliding groove, the oval sliding block is clamped inside the sliding groove, the limiting effect is achieved on the rotating shaft, the rotating shaft cannot rotate, and the raw material stacking plate can be prevented from overturning;
after adding predetermined weight to the raw materials, oval slider removes to circular logical inslot portion, the space grow, no longer carry on spacingly to oval slider, receive the action of gravity of raw materials, oval slider rotates at circular logical inslot portion, and the upset of raw materials stacking plate, make accumulational raw materials pour into inside the feeder hopper, after the raw materials is emptyd completely, raw materials stacking plate resets, resume the horizontality, make oval slider upset to vertical upwards, the extrusion spring has played spacing effect, with oval slider and raw materials stacking plate jack-up, weigh multiple raw materials and auxiliary agent when adding, make the proportion between raw materials and the auxiliary agent more accurate, the material that avoids raw materials and auxiliary agent to add the different preparation departments of leading to of proportion is unable normal use, and oval slider sets up to the oval that the length is greater than wide, the card is inside the spout when continuously adding the raw materials, only can the downward movement, wait that the raw materials adds that oval slider carries out after the end and carry out circular logical inslot portion and just can take place the upset.
2. Utilize the light of laser lamp transmission to pass the shading baffle by the light trap, can show on the light display panel, and be provided with a plurality of laser lamps, the colour of laser lamp is different, all weigh to every raw materials when being applicable to add multiple raw materials, when adding raw materials or auxiliary agent, raw materials and auxiliary agent are piled up on the raw materials piles up the board, the position of link and shading baffle can descend along with the raw materials piles up the board together, make the position of light trap change along with the weight that adds raw materials or auxiliary agent, the raw materials of different weight remove shading baffle and light trap to different positions, and the laser lamp of corresponding different colours can pass the light trap and jet out the light of different colours, can judge the quantity that raw materials or auxiliary agent added through observing the light display panel, add raw materials and auxiliary agent for the staff and provide very big facility, guarantee that every raw materials and auxiliary agent all reach predetermined proportion.
3. Be provided with the high-efficient processing mechanism that mixes of raw materials, utilize the heater to add to the internal portion of processing jar raw materials heat treatment, refine it, driving motor drives the driving gear and rotates with the main axis of rotation, utilize and homogenize the blade and stir the mixture to the raw materials, and intermeshing between driven gear and the driving gear, make driven gear and supplementary axis of rotation can synchronous rotation, and connect one side that the lug is located driven gear bottom middle part, make supplementary axis of rotation be circular motion along with connecting the lug at the internal portion of processing jar, enlarge the radiation orbit when supplementary axis of rotation rotates, utilize main axis of rotation and supplementary axis of rotation on the surface homogenize the blade crisscross rotation, the mixture of promotion raw materials that can be better, the work efficiency of raw materials mixing processing has been improved.
In conclusion, the raw material efficient mixing processing mechanism and the convenient weighing and feeding mechanism are combined with each other, the heat emitted by the heater when the raw material is heated is utilized, water in the water storage tank is heated, part of the water is converted from a liquid state into a gaseous state after being heated, so that the pressure in the water storage tank is increased to generate airflow, the airflow flows to the exhaust pipe, after the pressure in the water storage tank reaches a certain degree, the airflow generated by the pressure pushes the circular sealing block outwards, the exhaust pipe is not blocked by the circular sealing block, the airflow is conveyed to the circular pipe through the connecting sleeve and the connecting air pipe and is discharged from the air outlet hole, the circular pipe is positioned in the feeding hopper, the discharged airflow blows downwards along the inner wall of the feeding hopper, the raw material adhered to the inner wall of the feeding hopper and not discharged can be pushed into the processing tank body, the raw material is ensured not to remain, and the raw material is wasted;
and the combustion gas flows through the drying box body, wherein cubic drier can absorb subsidiary moisture in the air current, avoids on moisture strikes the raw materials to make the raw materials surface melt and leads to the unable normal discharge of its viscidity reinforcing, and the heat-conducting plate extends to the inside certain heat that can absorb of aqua storage tank for the heat-conducting plate has certain temperature incidentally, can heat cubic drier, promotes the drying efficiency of cubic drier.
4. Be provided with the even conveying mechanism of row material, the mixed raw materials after processing is carried to the surface of drain board by discharge channel and bevel pipe, the inside moisture of mixed raw materials can drip to the inside of water drainage tank downwards, it rotates to rotate the motor simultaneously and drive the rotation wheel, and fixed axle bed is located the one side at rotation wheel middle part, make dwang and roller brush carry out the circumference and rotate, and rotate between dwang and the fixed axle bed and connect, roller brush is vertical downwards all the time, wait to roller brush and rotate the top to the bevel pipe, can brush on the scarf by the bevel pipe just, guarantee that mixed raw materials can discharge smoothly, and wait to rotate to below position department, roller brush's bottom can laminate the drain board, brush the mixed raw materials of discharging downwards, make it discharge downwards smoothly, avoid mixed raw materials to pile up in the unable drainage of bevel pipe's tip, and roller brush can exert a kind of power that rolls to mixed raw materials, make its inside remaining moisture extruded, reduce the inside moisture of mixed raw materials, play very big facility for the processing of follow-up raw materials.
5. Mix the raw materials and be rolled the brush and drive the tip to the waterlogging caused by excessive rainfall board, and be connected by the drive belt transmission between initiative drive wheel and the driven drive wheel, make connecting roller and transport brush and rotate the wheel synchronous rotation, the mixed raw materials propelling movement of waterlogging caused by excessive rainfall board tip to the surface of conveyer belt, and rotate disc and fixed drive post and rotate along with connecting roller together, can contact with marginal lug when fixed drive post rotates to below position department, and promote marginal lug and connect the disc and rotate, and then make the transport axle rotate, guarantee to carry the axle and the speed phase-match of conveyer belt intermittent type formula rotation and connecting roller propelling movement raw materials, make the mixed raw materials that carries the brush propelling movement of brush can be even spread and spill the surface at the conveyer belt, be convenient for subsequent processing and collection, and need not reset the power supply and can guarantee to carry axle and conveyer belt to advance forward, guarantee that the raw materials propelling movement spreads and spill forward and carry the synchronization, the consumption of the energy has been reduced.
To sum up, combine together through the high-efficient processing mechanism that mixes of raw materials and the even conveying mechanism of row material, when utilizing driving motor to drive the connecting axle and rotate, the drive pulley can rotate thereupon, and be connected by connecting belt transmission between drive pulley and the driven pulley, a power supply is provided for driven pulley and connecting rod, and then drive rotating blade rotates, the utilization ratio to the current power supply of equipment has been improved, rotating blade is located the top of conveyer belt, can cool down the mixed raw materials of spreading on the conveyer belt surface and handle, make the mixed raw materials temperature after the processing descend, avoid mixing the too high unable direct continuation subsequent processing of raw materials temperature, need not establish the heat sink again, the manufacturing cost of processing has been reduced, great economic benefits has been brought for the enterprise, and the air current that the rotating blade produced when rotating can take away mixed raw materials surface residual moisture, the air-dry effect has been played, the work efficiency of subsequent processing has been improved.
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 process flow diagram of the present invention;
FIG. 2 is a schematic diagram of the structure of the apparatus of the present invention;
FIG. 3 is a schematic view of the installation structure of the drying cabinet of the present invention;
FIG. 4 is a schematic view of the mounting structure of the connecting rod of the present invention;
FIG. 5 is a schematic structural view of the convenient weighing and feeding mechanism of the present invention;
FIG. 6 is a schematic view of the installation structure of the light-shielding shutter of the present invention;
FIG. 7 is a schematic structural diagram of a high-efficiency mixing processing mechanism for raw materials according to the present invention;
FIG. 8 is a schematic view of the mounting structure of the circular seal block of the present invention;
FIG. 9 is a schematic structural view of the discharging material uniform-conveying mechanism of the present invention;
FIG. 10 is a schematic view of the mounting structure of the stationary drive column of the present invention;
the reference numbers in the figures: 1. a frame; 2. a material storage box body; 3. a feed hopper; 4. a feed conduit; 5. processing the tank body;
6. the weighing and feeding mechanism is convenient and fast; 601. a movable groove; 602. a raw material stacking plate; 603. a leak-proof baffle plate; 604. a rotating shaft; 605. an elliptical slider; 606. fixing the loop; 607. connecting the flat plates; 608. a positioning column; 609. extruding the spring; 610. a support vertical plate; 611. a chute; 612. a circular through groove; 613. a connecting frame; 614. a light-shielding baffle; 615. a light-transmitting hole; 616. a bulb mounting base; 617. a laser light; 618. a light display panel;
7. a raw material efficient mixing processing mechanism; 701. a heater; 702. a water storage tank; 703. a heat insulation plate; 704. a gas permeable plate; 705. a drive motor; 706. a connecting shaft; 707. a driving gear; 708. a main rotating shaft; 709. a driven gear; 710. a connection bump; 711. an auxiliary rotating shaft; 712. stirring uniformly to obtain a leaf; 713. a water inlet pipe; 714. an exhaust pipe; 715. a connecting sleeve; 716. a circular fixing plate; 717. a return spring; 718. a circular sealing block; 719. drying the box body; 720. a bulk desiccant; 721. a heat conducting plate; 722. connecting an air pipe; 723. an annular circular tube; 724. an air outlet;
8. a discharge conduit; 9. a mounting frame;
10. a material discharging and uniform conveying mechanism; 1001. obliquely cutting a pipe; 1002. a draining board; 1003. a water discharge tank; 1004. a rotating wheel; 1005. fixing the shaft seat; 1006. rotating the rod; 1007. rolling a hairbrush; 1008. rotating the motor; 1009. an active transmission wheel; 1010. a connecting roller; 1011. a conveying brush; 1012. a driven transmission wheel; 1013. a transmission belt; 1014. rotating the disc; 1015. fixing the driving column; 1016. a support frame; 1017. a conveying shaft; 1018. a conveyor belt; 1019. an extension shaft; 1020. connecting the disks; 1021. an edge projection; 1022. a drive pulley; 1023. an auxiliary support; 1024. a connecting rod; 1025. a driven pulley; 1026. connecting a belt; 1027. the blades are rotated.
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 figures 1-10, the invention provides a technical scheme, and a preparation method of degradable straw raw material PLA polylactic acid comprises the following steps:
s1: feeding: the raw materials are poured onto the surface of a raw material stacking plate 602 positioned at the top of the rack 1 in sequence, the raw material stacking plate 602 is pressed downwards by the weight of the raw materials, the oval sliding block 605 and the shading baffle 614 descend along with the raw material stacking plate 602, light emitted by a laser lamp 617 passes through a light hole 615 to be displayed, and feeding is stopped;
s2: turning over and pouring: after all the raw materials are added, the elliptical sliding block 605 moves downwards to the inside of the circular through groove 612, the raw material stacking plate 602 and the elliptical sliding block 605 rotate simultaneously, and the raw materials on the surface of the raw material stacking plate 602 are poured into the feeding hopper 3;
s3: mixing and processing: the raw materials in the feed hopper 3 are discharged to the interior of the processing tank body 5, the heater 701 heats the raw materials, and the driving motor 705 drives the main rotating shaft 708 and the auxiliary rotating shaft 711 to rotate simultaneously so as to stir and mix the raw materials;
s4: air flow blowing: the heat in the raw materials heats the water in the water storage tank 702 in the processing process, the generated air flow flows to the annular round pipe 723 through the exhaust pipe 714 and the connecting air pipe 722 and is blown to the inner wall of the feed hopper 3 through the air outlet 724, and the raw materials remained on the inner wall of the feed hopper 3 are blown to the inside of the processing tank body 5;
s5: discharging: discharging the processed mixed raw materials to the surface of the draining board 1002 through a discharging pipeline 8, rolling the mixed raw materials when a rolling brush 1007 rotates, removing water in the raw materials and pushing the mixed raw materials forwards to the edge of the draining board 1002;
s6: conveying: the connecting roller 1010 and the conveying brush 1011 rotate along with the rotating wheel 1004 to push the mixed raw materials at the edge of the draining board 1002 to the surface of the conveying belt 1018, and the conveying shaft 1017 and the conveying belt 1018 intermittently rotate along with the connecting roller 1010 to convey the mixed raw materials forwards;
a material storage box body 2 is fixedly installed at the top of the rack 1, a feed hopper 3 is fixedly connected to the bottom end of the material storage box body 2, a feed pipeline 4 is fixedly connected to the bottom end of the feed hopper 3, a processing tank body 5 is fixedly installed at one end of the feed pipeline 4, a convenient weighing and feeding mechanism 6 is fixedly installed at one end of the material storage box body 2, a raw material stacking plate 602 moves downwards to an oval sliding block 605 to enter the circular through groove 612 in the raw material adding process, the raw material stacking plate 602 is turned over to dump raw materials, and light rays emitted by a laser lamp 617 are used for judging the adding amount of each raw material;
the convenient weighing and charging mechanism 6 comprises a movable groove 601, a raw material stacking plate 602, a leakage-proof baffle 603, a rotating shaft 604, an oval sliding block 605, a fixed ring sleeve 606, a connecting flat plate 607, a positioning column 608, an extrusion spring 609, a supporting vertical plate 610, a sliding groove 611, a circular through groove 612, a connecting frame 613, a light-shielding baffle 614, a light hole 615, a bulb mounting seat 616, a laser lamp 617 and a light display plate 618;
a movable groove 601 is arranged at one end of the middle part of the storage box body 2, a raw material stacking plate 602 is movably arranged at the middle part of the movable groove 601, the raw material stacking plate 602 and a leakage-proof baffle 603 are positioned inside the storage box body 2, the width of the raw material stacking plate 602 is equal to the width of the inner walls of the movable groove 601 and the storage box body 2, the middle parts of two side walls inside the storage box body 2 are fixedly provided with limiting blocks, one end of the bottom of the raw material stacking plate 602, which is close to a connecting flat plate 607, is fixedly provided with a balancing weight to ensure that the raw material stacking plate 602 can reset after overturning and dumping raw materials, and recover to a horizontal state, one end of the top of the raw material stacking plate 602 is fixedly connected with the leakage-proof baffle 603, one end of the middle part of the leakage-proof baffle 603 is fixedly provided with a rotating shaft 604, two ends of the rotating shaft 604 are symmetrically and fixedly connected with elliptical sliding blocks 605, and a fixed ring sleeve 606 is movably sleeved at the position of one side of the elliptical sliding block 605 at two ends of the rotating shaft 604, the bottom end of the fixed ring sleeve 606 is fixedly connected with a connecting flat plate 607, the bottom end of the connecting flat plate 607 is fixedly connected with a positioning column 608, the middle part of the positioning column 608 is sleeved with an extrusion spring 609, the top part of the frame 1 is fixedly provided with a supporting vertical plate 610 at the two sides of the raw material stacking plate 602, the middle part of the supporting vertical plate 610 is provided with a sliding groove 611, the bottom end of the sliding groove 611 is provided with a circular through groove 612, an elliptical sliding block 605 is embedded and installed inside the sliding groove 611, the elliptical sliding block 605 and the sliding groove 611 are connected in a sliding manner, the length of the elliptical sliding block 605 is the same as the diameter of the circular through groove 612, so that the elliptical sliding block 605 can rotate inside the circular through groove 612, raw materials and additives to be added are sequentially placed on the raw material stacking plate 602, the weight of the raw materials can press the raw material stacking plate 602 downwards, the extrusion spring 609 is compressed, and the elliptical sliding block 605 slides downwards along the sliding groove 611 all the time, the oval sliding block 605 is clamped in the sliding groove 611, so that the rotating shaft 604 is limited and cannot rotate, and the raw material stacking plate 602 cannot turn over;
after the raw materials are added to a preset weight, the oval sliding block 605 moves to the inside of the circular through groove 612, the space is enlarged, the oval sliding block 605 is not limited any more and is under the action of the gravity of the raw materials, the oval sliding block 605 rotates in the circular through groove 612, the raw material stacking plate 602 overturns, the stacked raw materials are poured into the hopper 3, after the raw materials are completely poured, the raw material stacking plate 602 resets and is restored to a horizontal state, the oval sliding block 605 is overturned vertically upwards, the extrusion spring 609 plays a limiting role and jacks up the oval sliding block 605 and the raw material stacking plate 602, multiple raw materials and auxiliary agents are weighed while the raw materials are added, the ratio between the raw materials and the auxiliary agents is more accurate, the situation that the materials at the preparation position cannot be used normally due to the fact that the ratio of the raw materials and the auxiliary agents is different is avoided, the oval sliding block is arranged in the sliding groove 611 when the raw materials are continuously added, the sliding block only moves downwards when the raw materials are added, and the oval sliding block 6005 overturns in the circular through groove 612 after the raw materials are added;
the edge of the raw material stacking plate 602 is fixedly connected with a connecting frame 613 at one side of the rotating shaft 604, one end of the top of the connecting frame 613 is fixedly provided with a shading baffle plate 614, the middle part of the shading baffle plate 614 is provided with a light hole 615, one end of the side wall of the storage box body 2 is embedded and installed with a bulb installation seat 616 at the position corresponding to the shading baffle plate 614, laser lamps 617 are fixedly installed at the middle part of the bulb installation seat 616 at equal intervals, one end of a supporting vertical plate 610 is fixedly installed with a light display panel 618 at the position corresponding to the shading baffle plate 614, the light hole 615 and the laser lamps 617 are positioned on the same vertical plane, a gap is left between the side surface of the shading baffle plate 614 and the laser lamps 617, the light source colors presented by the laser lamps 617 are all different, and the light emitted by the laser lamps 617 passes through the shading baffle plate 614 through the light hole 615 and can be presented on the light display panel 618, the laser lamps 617 are different in color and suitable for weighing each raw material when various raw materials are added, when the raw materials or the additives are added, the raw materials and the additives are stacked on the raw material stacking plate 602, the positions of the connecting frame 613 and the shading baffle 614 can descend along with the raw material stacking plate 602, so that the position of the light hole 615 can be changed along with the weight of the added raw materials or the additives, the shading baffle 614 and the light hole 615 can be moved to different positions by the raw materials with different weights, the laser lamps 617 with different colors can penetrate through the light hole 615 to emit light with different colors, the number of the added raw materials or the additives can be judged by observing the light display panel, great convenience is provided for workers to add the raw materials and the additives, and each raw material and the additives can reach a preset proportion;
the raw material efficient mixing processing mechanism 7 is fixedly arranged in the processing tank body 5, and the auxiliary rotating shaft 711 performs circular motion in the processing tank body 5 and is matched with the main rotating shaft, so that the raw materials are mixed more uniformly;
the raw material high-efficiency mixing processing mechanism 7 comprises a heater 701, a water storage tank 702, a heat-insulating board 703, a ventilating board 704, a driving motor 705, a connecting shaft 706, a driving gear 707, a main rotating shaft 708, a driven gear 709, a connecting lug 710, an auxiliary rotating shaft 711, homogenizing blades 712, a water inlet pipe 713, an exhaust pipe 714, a connecting sleeve 715, a circular fixing plate 716, a return spring 717, a circular sealing block 718, a drying box 719, a block-shaped drying agent 720, a heat-conducting plate 721, a connecting air pipe 722, an annular round pipe 723 and an air outlet 724;
a heater 701 is embedded and installed at the bottom end of the surface wall of the processing tank body 5, a water storage tank 702 is arranged at the position, above the heater 701, of the surface wall of the processing tank body 5, a heat preservation and insulation board 703 is fixedly installed between the water storage tank 702 and the heater 701, a ventilation board 704 is fixedly installed at the middle part of the water storage tank 702, a driving motor 705 is fixedly installed at the middle part of the top end of the processing tank body 5, an output shaft of the driving motor 705 is fixedly connected with a connecting shaft 706, a driving gear 707 is fixedly installed at the bottom end of the connecting shaft 706, a main rotating shaft 708 is fixedly connected with the middle part of the bottom end of the driving gear 707, driven gears 709 are fixedly installed at the position, at one side of the driving gear 707, of the top end of the inside of the processing tank body 5 along the circumferential direction at equal intervals, a connecting lug 710 is fixedly installed at one end of the bottom of the driven gear 709, an auxiliary rotating shaft 711 is fixedly connected with the bottom end of the connecting lug, and blades 712 are uniformly stirred and fixedly installed at equal intervals on the surfaces of the main rotating shaft 708 and the auxiliary rotating shaft 711, the teeth of the driving gear 707 are engaged with the teeth of the driven gear 709, the mixing blades 712 on the surface of the main rotating shaft 708 and the mixing blades 712 on the surface of the auxiliary rotating shaft 711 are distributed in a staggered manner, the horizontal height of the water inlet pipe 713 is lower than the horizontal height of the air permeable plate 704, the horizontal height of the exhaust pipe 714 is higher than the horizontal height of the air permeable plate 704, the bottom end of the main rotating shaft 708 is symmetrically and fixedly provided with a push plate, so that the mixed raw material after the processing inside the processing tank 5 is discharged, the raw material added into the processing tank 5 is heated by the heater 701 and refined, the driving motor 705 drives the driving gear 707 and the main rotating shaft 708 to rotate, the raw material is stirred and mixed by the mixing blades 712, the driven gear 709 is meshed with the driving gear 707, so that the driven gear 709 and the auxiliary rotating shaft 711 can synchronously rotate, the connecting lug 710 is positioned at one side of the middle part of the bottom end of the driven gear 709, so that the auxiliary rotating shaft 711 does circular motion along with the connecting lug 710 in the processing tank body 5, the radiation track of the auxiliary rotating shaft 711 during rotation is enlarged, and the mixing blades 712 on the surfaces of the main rotating shaft 708 and the auxiliary rotating shaft 711 rotate in a staggered manner, so that the mixing of raw materials can be better promoted, and the working efficiency of raw material mixing processing is improved;
a water inlet pipe 713 is fixedly connected in the middle of the surface wall of the processing tank body 5, an exhaust pipe 714 is fixedly connected at the position, above the water inlet pipe 713, of the surface wall of the processing tank body 5, one end of the exhaust pipe 714 is fixedly connected with a connecting sleeve 715, one end, far away from the exhaust pipe 714, of the inside of the connecting sleeve 715 is fixedly provided with a circular fixing plate 716, one end of the circular fixing plate 716 is fixedly connected with a return spring 717, one end of the return spring 717 is fixedly provided with a circular sealing block 718, one end of the connecting sleeve 715 is fixedly provided with a drying tank body 719, the inside of the drying tank body 719 is filled with a block-shaped drying agent 720, a heat conducting plate 721 is fixedly arranged at the bottom end of the inside of the drying tank body 719, one end of the middle of the drying tank body 719 is fixedly connected with a connecting air pipe 722, an annular circular pipe 723 is fixedly arranged on the inner wall of the top of the feed hopper 3, and air outlet holes 724 are arranged at equal intervals along the circumferential direction at the bottom of the annular pipe 723, a gap is left between the edge of the circular fixing plate 716 and the inner wall of the connecting sleeve 715, the diameter of the circular sealing block 718 is larger than that of the exhaust pipe 714, one end of the circular sealing block 718 is tightly attached to the end of the exhaust pipe 714, one end of the heat conducting plate 721 extends into the water storage tank 702, one end of the connecting air pipe 722 is connected with an annular round pipe 723, the air outlet 724 inclines downwards, the heat emitted when the heater 701 heats the raw materials is utilized, the water in the water storage tank 702 is heated, the liquid state of the heated water is converted into the gas state, the pressure in the water storage tank 702 is increased, air flow is generated, the air flow flows to the exhaust pipe 714, after the pressure in the water storage tank 702 reaches a certain degree, the air flow generated by the pressure pushes the circular sealing block 718 outwards, the exhaust pipe 714 is not blocked by the circular sealing block 718, the air flow is conveyed to the annular circular pipe 723 through the connecting sleeve 715 and the connecting air pipe 722, the raw materials adhered to the inner wall of the feed hopper 3 and not discharged are pushed into the processing tank body 5, so that the raw materials are not left, and the raw materials are wasted;
and the exhausted airflow passes through the drying box 719, wherein the block-shaped drying agent 720 can absorb the moisture attached to the airflow, so as to avoid the situation that the adhesion of the raw material is enhanced due to the fact that the moisture impacts the raw material and the raw material surface is melted, and the adhesion cannot be normally exhausted, and the heat conducting plate 721 extends into the water storage tank 702 to absorb certain heat, so that the heat conducting plate 721 is attached with certain temperature, the block-shaped drying agent 720 can be heated, and the drying efficiency of the block-shaped drying agent 720 is promoted;
the bottom end of the processing tank body 5 is fixedly connected with a discharging pipeline 8, the bottom end of the rack 1 is fixedly provided with an installation frame 9 at one side of the processing tank body 5, the middle part of the installation frame 9 is fixedly provided with a discharging uniform conveying mechanism 10, redundant water in the mixed raw material is removed by using a rolling brush 1007, the mixed raw material is uniformly pushed to the surface of a conveying belt 1018 through a connecting roller 1010 and a conveying brush 1011, and the connecting roller 1010 can drive the conveying belt 1018 to move forwards intermittently;
the discharging uniform conveying mechanism 10 comprises a bevel cutting pipe 1001, a draining board 1002, a draining groove 1003, a rotating wheel 1004, a fixed shaft seat 1005, a rotating rod 1006, a rolling brush 1007, a rotating motor 1008, a driving transmission wheel 1009, a connecting roller 1010, a conveying brush 1011, a driven transmission wheel 1012, a transmission belt 1013, a rotating disk 1014, a fixed driving column 1015, a supporting frame 1016, a conveying shaft 1017, a conveying belt 1018, an extending shaft 1019, a connecting disk 1020, an edge bump 1021, a driving belt wheel 1022, an auxiliary bracket 1023, a connecting rod 1024, a driven belt 1025, a connecting belt 1026 and a rotating blade 1027;
the bottom end of the discharge pipeline 8 is fixedly connected with a bevel pipe 1001, the middle part of the mounting rack 9 is positioned below the bevel pipe 1001 and is fixedly provided with a draining plate 1002, the bevel face of the bevel pipe 1001 is upward, the bottom end of the bevel pipe 1001 is contacted with the surface of the draining plate 1002, the included angle between the bottom end of the draining plate 1002 and the horizontal plane is 15 degrees, the bottom end of a conveying brush 1011 is attached to the surface of the draining plate 1002, the bottom part of the mounting rack 9 is positioned right below the draining plate 1002 and is provided with a drainage groove 1003, the top part of the mounting rack 9 is movably provided with rotating wheels 1004 at the positions at two sides of the draining plate 1002, one end edge part of each rotating wheel 1004 is fixedly provided with a fixed shaft seat 1005, the middle part of the fixed shaft seat 1005 is embedded with a rotating rod 1006 in a rotating manner, the middle part of the rotating rod 1006 is fixedly provided with a rolling brush 1007, and the middle part of one end of one rotating wheel 1004 is fixedly connected with a rotating motor 1008, a driving transmission wheel 1009 is fixedly arranged at the position of one side of the rolling brush 1007 in the middle of an output shaft of the rotating motor 1008, a connecting roller 1010 is movably arranged at the position of one side of the rotating rod 1006 in the middle of the mounting frame 9, a conveying brush 1011 is fixedly adhered to the middle of the connecting roller 1010 at equal intervals along the circumferential direction, a driven transmission wheel 1012 is fixedly arranged at the position of one end of the connecting roller 1010 corresponding to the driving transmission wheel 1009, a transmission belt 1013 is sleeved at the middle of the driving transmission wheel and the driven transmission wheel 1012, the processed mixed raw material is conveyed to the surface of the draining plate 1002 through a discharging channel 8 and a beveling pipe 1001, moisture in the mixed raw material can drop downwards into the draining groove 1003, meanwhile, the rotating motor 1008 drives the rotating wheel 1004 to rotate, the fixed shaft seat 1005 is arranged at one side of the middle of the rotating wheel 1004, so that the rotating rod 1006 and the rolling brush 1007 rotate circumferentially, and the rotating rod 1006 and the fixed shaft seat 1005 are connected in a rotating manner, the rolling brush 1007 is always vertically downward, when the rolling brush 1007 rotates to the top of the inclined cutting pipe 1001, the rolling brush can be brushed just by the inclined cutting surface of the inclined cutting pipe 1001, so that mixed raw materials can be smoothly discharged, when the rotating rod 1006 rotates to the lower position, the bottom of the rolling brush 1007 can be attached to the draining plate 1002, the discharged mixed raw materials are brushed downward, so that the mixed raw materials are smoothly discharged downward, the situation that the mixed raw materials are accumulated at the end part of the inclined cutting pipe 1001 and cannot be discharged is avoided, and the rolling brush 1007 can apply a rolling force to the mixed raw materials, so that residual moisture in the mixed raw materials is extruded, the moisture in the mixed raw materials is reduced, and great convenience is brought to the processing of subsequent raw materials;
one end of the middle part of the driven driving wheel 1012 is fixedly connected with a rotating disc 1014, one end edge part of the rotating disc 1014 is fixedly connected with a fixed driving column 1015, one end of the bottom of the mounting frame 9 is fixedly provided with a supporting frame 1016, the top of the supporting frame 1016 is symmetrically provided with a conveying shaft 1017, the middle part of the conveying shaft 1017 is sleeved with a conveying belt 1018, the end part of one conveying shaft 1017 close to the connecting roller 1010 is fixedly connected with an extending shaft 1019, one end of the extending shaft 1019 is fixedly connected with a connecting disc 1020, the edge part of the connecting disc 1020 is fixedly provided with edge convex blocks 1021 along the circumferential direction at equal intervals, the height of the edge convex blocks 1021 is larger than the distance from the edge part of the connecting disc 1020 to the center of the fixed driving column 1015, the mixed raw materials are driven to the end part of the draining plate 1002 by a grinding brush 1007, and the driving wheel 1009 is in transmission connection with the driven driving wheel 1012 by a driving belt 1013, the connecting roller 1010 and the conveying brush 1011 rotate synchronously with the rotating wheel 1004 to push the mixed raw materials at the end part of the draining plate 1002 to the surface of the conveying belt 1018, the rotating disc 1014 and the fixed driving column 1015 rotate along with the connecting roller 1010, the fixed driving column 1015 can contact with the edge bump 1021 when rotating to a lower position and pushes the edge bump 1021 and the connecting disc 1020 to rotate, so that the conveying shaft 1017 rotates, the intermittent rotation of the conveying shaft 1017 and the conveying belt 1018 is ensured to be matched with the raw material pushing rate of the connecting roller 1010, the mixed raw materials pushed by the conveying brush 1011 can be uniformly spread on the surface of the conveying belt 1018, the subsequent processing and collection are facilitated, the conveying shaft 1017 and the conveying belt 1018 can be ensured to advance forwards without resetting a power source, the synchronous progress of the raw material pushing and spreading and the forward conveying is ensured, and the energy consumption is reduced;
a driving pulley 1022 is fixedly installed in the middle of the connecting shaft 706, an auxiliary bracket 1023 is fixedly installed at one end of the middle of the mounting frame 9, a connecting rod 1024 is movably installed in the middle of the auxiliary bracket 1023, a driven pulley 1025 is fixedly connected to the top end of the connecting rod 1024, a connecting belt 1026 is sleeved in the middle of the driving pulley 1022 and the driven pulley 1025, a rotating blade 1027 is fixedly connected to the bottom end of the connecting rod 1024 and is positioned above the conveying belt 1018, the fixed driving column 1015 and the edge projection 1021 are positioned on the same vertical plane, the laser lamp 617, the heater 701, the driving motor 705 and the rotating motor 1008 are electrically connected with the output end of an external power supply, when the driving motor 705 drives the connecting shaft 706 to rotate, the driving pulley 1022 rotates along with the driving pulley, and be connected by the transmission of connecting belt 1026 between drive pulley 1022 and the driven pulley 1025, provide the power supply for driven pulley 1025 and connecting rod 1023, and then drive rotor blade 1027 and rotate, the utilization ratio to the current power supply of equipment has been improved, rotor blade 1027 is located the top of conveyer belt 1018, can cool down the mixed raw materials of spreading on conveyer belt 1018 surface and handle, make the mixed raw materials temperature after the processing descend, avoid mixing the too high direct subsequent processing of continuing of raw materials temperature, need not set up the heat sink again, the manufacturing cost of processing has been reduced, great economic benefits has been brought for the enterprise, and the air current that produces when rotor blade 1027 rotates can mix the remaining moisture in raw materials surface, air-dry effect has been played, the work efficiency of subsequent processing has been improved.
The working principle and the using process of the invention are as follows: in the preparation method of PLA polylactic acid which is a degradable straw raw material, a worker firstly pours a raw material onto a raw material stacking plate 602, the weight of the raw material can press the raw material stacking plate 602 downwards, an extrusion spring 609 is compressed, an oval sliding block 605 slides downwards along a sliding groove 611 to drive the raw material stacking plate 602 to move downwards, an oval sliding block 605 is clamped inside the sliding groove 611 to ensure that the raw material stacking plate 602 cannot turn over, a connecting frame 613 and a shading baffle 614 move downwards synchronously along with the raw material stacking plate 602, the shading baffle 614 wholly shades a laser lamp 617 to ensure that the light of the laser lamp 617 cannot be emitted, the shading baffle 614 slowly moves downwards along with the continuous pouring of the raw material, until a light hole 615 and one of the laser lamps 617 are aligned, the light emitted by the laser lamp 617 passes through the light hole 615 to irradiate on a light display panel 618, the worker observes the light displayed on the light panel 618, immediately stops adding the raw material, another raw material or the auxiliary agent is continuously poured onto the surface of the raw material stacking plate 602, the raw material stacking plate 602 and the shading baffle 602 and the raw material stacking plate and the auxiliary agent can be poured downwards again, until the light of different colors is emitted again, the raw material and the auxiliary agent can be poured into the raw material and the raw material can be poured into the raw material stacking plate, so little raw material and the raw material can be poured into the raw material stacking plate;
after all the raw materials are completely poured, the oval sliding block 605 slides downwards to the inside of the circular through groove 612, the oval sliding block 605 is not limited any more, the raw material stacking plate 602 is turned over by gravity generated by the raw materials on the surface of the raw material stacking plate 602, the raw materials slide down to the inside of the feed hopper 3 along the surface of the raw material stacking plate 602, the oval sliding block 605 is also turned over inside the circular through groove 612, when the raw materials on the surface of the raw material stacking plate 602 are completely discharged, a balancing weight is arranged at the other end of the raw material stacking plate 602, so that the raw material stacking plate 602 is turned upwards, the raw material stacking plate returns to a horizontal state, the oval sliding block 605 rotates inside the circular through groove 612 until the oval sliding block 605 corresponds to the sliding groove 611, the extrusion spring 609 extends, and the connection flat plate 607 and the fixed ring sleeve 606 are jacked upwards, so that the oval sliding block 605 is embedded into the sliding groove 611 again, and the sliding groove slides upwards along the sliding groove 611;
a certain amount of water is injected into the water storage tank 702 through the water inlet pipe 713, the water level does not exceed the air permeable plate 704, the raw material falling into the feed hopper 3 is discharged into the processing tank 5 along the feed pipe 4, a certain amount of functional additives are added into the processing tank 5, the heater 701 is started to heat the raw material inside the processing tank 5, the driving motor 705 is started to drive the connecting shaft 706 and the driving gear 707 to rotate, the main rotating shaft 708 and the homogenizing blades 712 rotate to stir and mix the raw material, the driven gear 709 and the driving gear 707 are meshed with each other to enable the driven gear 709 to synchronously rotate, so that the connecting lug 710 and the auxiliary rotating shaft 711 are ensured to do circular motion inside the processing tank 5, and the homogenizing blades 712 on the surfaces of the main rotating shaft 708 and the auxiliary rotating shaft 711 are in staggered motion, so that the mixing speed of the raw material can be accelerated, and the working efficiency is improved;
meanwhile, during processing, partial heat generated by heating the raw material by the heater 701 is dissipated outwards and absorbed by water in the water storage tank 702, partial water is heated and converted into a gas state from a liquid state, the pressure in the water storage tank 702 is increased, when the pressure is high enough, generated air flow is discharged by the exhaust pipe 714 and extrudes the circular sealing block 718 outwards, the return spring 717 is compressed, the circular sealing block 718 does not block the exhaust pipe 714, the air flow is discharged into the drying box 719 from a gap between the circular sealing block 718 and the exhaust pipe 714, the block-shaped drying agent 720 in the drying box 719 can absorb the moisture in the air flow, a drying effect is achieved on the air flow, the dried air flow is conveyed to the annular circular pipe 723 by the connecting air pipe 722 and is discharged through the air outlet 724, the air flow discharged from the air outlet 724 blows downwards along the inner wall of the feeding hopper 3, the raw material adhered to the inner wall of the feeding hopper 3 is blown downwards into the processing tank body 5, and waste of the raw material caused by the residual on the inner wall of the feeding hopper 3 is avoided;
after the interior of the processing tank body 5 is far away from the mixing processing, the driving motor 705 continuously drives the main rotating shaft 708 to rotate, the pushing plate at the bottom of the main rotating shaft 708 can discharge the mixed raw materials from the discharging pipeline 8 and discharge the mixed raw materials to the surface of the draining plate 1002 through the inclined cutting pipe 1001, the mixed raw materials containing impurity moisture can fall downwards into the draining groove 1003, the rotating motor 1008 is started to drive the rotating wheel 1004 and the fixed shaft seat to rotate, the rotating rod 1006 and the rolling brush 1007 do circular motion along with the fixed shaft seat 1005, the rotating rod 1006 and the fixed shaft seat 1005 are connected in a rotating mode, the rolling brush 1007 is always vertically downwards, the rolling brush 1007 rotates to the top of the inclined cutting pipe 1001 and rotates along the circumference, the rolling brush is brushed from the inclined cutting surface of the inclined cutting pipe 1001 to promote the discharge of the mixed raw materials, the mixed raw materials discharged from the inclined cutting pipe 1001 are ensured not to be sprayed on the surface of the rolling brush 1007, the waste of the mixed raw materials is avoided, when the rolling brush 1007 rotates to the lower side, the bottom of the rolling brush is attached to the surface 1002, the mixed raw materials can be pushed to move forwards, the mixed raw materials 1007 can be removed quickly, and the mixed raw materials can be pushed to the inside of the rolling brush 1002;
meanwhile, the driving wheel 1009 is in transmission connection with the driven driving wheel 1012 through the driving belt 1013, so that the connecting roller 1010 and the conveying brush 1011 synchronously rotate along with the rotating wheel 1004, the conveying brush 1011 can push the mixed raw materials at the edge of the draining plate 1002 to the surface of the conveying belt 1018, the connecting roller 1010 can drive the rotating disc 1014 and the fixed driving column 1015 to rotate together, the fixed driving column 1015 can contact with the edge bump 1021 when rotating at the bottom, the fixed driving column 1015 can push the edge bump 1021 forwards when continuing to rotate, the connecting disc 1020 and the edge bump 1021 play a driving role, the fixed driving column 1015 and the edge bump 1021 intermittently contact, so that the connecting disc 1020 can intermittently rotate, the connecting disc 1020 can drive the conveying shaft 1017 to rotate, so that the conveying belt intermittently moves forwards, the mixed raw materials pushed by the conveying brush 1011 can be uniformly paved on the surface of the conveying belt 1018 and synchronously conveyed forwards, the driving wheel 1022 and the driven belt pulley 1025 can uniformly paved on the surface of the conveying belt 1018 while discharging, and the mixed raw materials can be sprayed onto the surface of the conveying belt 1027 by the driving belt pulley 1025, and the driving wheel 1022 and the mixed raw materials can rotate together when the conveying belt 1027 rotates, and the mixed raw materials are sprayed to dry the air flow generated by the air flow generated by the rotating blade 1022 and the rotating of the mixed raw materials when the conveying belt 1018.
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 (7)

1. A preparation method of degradable straw raw material PLA polylactic acid is characterized in that: the method comprises the following steps:
s1: feeding: pouring the raw materials onto the surface of a raw material stacking plate (602) in sequence, pressing the raw material stacking plate (602) downwards by the weight of the raw materials, descending the oval sliding block (605) and the shading baffle (614) along with the raw material stacking plate (602), displaying light rays emitted by a laser lamp (617) through a light hole (615), and stopping feeding;
s2: turning over and pouring: after all the raw materials are added, the oval sliding block (605) moves downwards to the inside of the circular through groove (612), the raw material stacking plate (602) and the oval sliding block (605) rotate simultaneously, and the raw materials on the surface of the raw material stacking plate (602) are poured into the feeding hopper (3);
s3: mixing and processing: the raw materials in the feed hopper (3) are discharged into the processing tank body (5), the heater (701) heats the raw materials, the driving motor (705) drives the main rotating shaft (708) and the auxiliary rotating shaft (711) to rotate simultaneously, and the raw materials are stirred and mixed;
s4: air flow blowing: in the processing process, the heat in the raw materials heats the water in the water storage tank (702), the generated air flow flows to the annular circular pipe (723) through the exhaust pipe (714) and the connecting air pipe (722), and is blown to the inner wall of the feed hopper (3) through the air outlet (724), and the raw materials remained on the inner wall of the feed hopper (3) are blown to the inside of the processing tank body (5);
s5: discharging: discharging the processed mixed raw materials to the surface of a draining plate (1002) through a discharging pipeline (8), rolling the mixed raw materials when a rolling brush (1007) rotates, removing water in the raw materials and pushing the mixed raw materials forwards to the edge of the draining plate (1002);
s6: conveying: the connecting roller (1010) and the conveying brush (1011) rotate together along with the rotating wheel (1004) to push the mixed raw materials at the edge of the draining plate (1002) to the surface of the conveying belt (1018), and the conveying shaft (1017) and the conveying belt (1018) intermittently rotate along with the connecting roller (1010) to convey the mixed raw materials forwards;
the automatic feeding device comprises a rack (1), wherein a storage box body (2) is fixedly mounted at the top of the rack (1), a feeding hopper (3) is fixedly connected to the bottom end of the storage box body (2), a feeding pipeline (4) is fixedly connected to the bottom end of the feeding hopper (3), a processing tank body (5) is fixedly mounted at one end of the feeding pipeline (4), a convenient weighing and feeding mechanism (6) is fixedly mounted at one end of the storage box body (2), a raw material stacking plate (602) moves downwards to an oval sliding block (605) to enter a circular through groove (612) in the raw material adding process, the raw material stacking plate (602) overturns to dump raw materials, and light rays emitted by a laser lamp (617) are used for judging the adding quantity of each raw material;
a raw material efficient mixing processing mechanism (7) is fixedly arranged in the processing tank body (5), and the auxiliary rotating shaft (711) is used for making circular motion in the processing tank body (5) to be matched with the main rotating shaft, so that the raw materials are mixed more uniformly;
the bottom end of the processing tank body (5) is fixedly connected with a discharging pipeline (8), the bottom end of the rack (1) is fixedly arranged at one side of the processing tank body (5) and is provided with an installation frame (9), the middle part of the installation frame (9) is fixedly provided with a uniform discharging and conveying mechanism (10), redundant water in the mixed raw materials is removed by using a rolling brush (1007), the mixed raw materials are uniformly pushed to the surface of the conveying belt (1018) through a connecting roller (1010) and a conveying brush (1011), and the connecting roller (1010) can drive the conveying belt (1018) to intermittently advance forwards;
the convenient weighing and feeding mechanism (6) comprises a movable groove (601), a raw material stacking plate (602), a leakage-proof baffle (603), a rotating shaft (604), an oval sliding block (605), a fixed ring sleeve (606), a connecting flat plate (607), a positioning column (608), an extrusion spring (609), a supporting vertical plate (610), a sliding groove (611), a circular through groove (612), a connecting frame (613), a shading baffle (614), a light hole (615), a bulb mounting seat (616), a laser lamp (617) and a light display plate (618);
a movable groove (601) is formed in one end of the middle of the storage box body (2), a raw material stacking plate (602) is movably mounted in the middle of the movable groove (601), a leakage-proof baffle (603) is fixedly connected to one end of the top of the raw material stacking plate (602), a rotating shaft (604) is fixedly mounted at one end of the middle of the leakage-proof baffle (603), elliptical sliders (605) are symmetrically and fixedly connected to two ends of the rotating shaft (604), a fixed ring sleeve (606) is movably sleeved at one side of each elliptical slider (605) at two ends of the rotating shaft (604), a connecting flat plate (607) is fixedly connected to the bottom end of each connecting flat plate (607), a positioning column (608) is fixedly connected to the bottom end of each positioning column (608), an extrusion spring (609) is sleeved at the middle of each positioning column (608), a supporting vertical plate (610) is fixedly mounted at two sides of the raw material stacking plate (602) at the top of the machine frame (1), a through groove (611) is formed in the middle of each supporting vertical plate (610), and a through groove (611) is formed in the bottom of each through groove (612);
the edge of the raw material stacking plate (602) is fixedly connected with a connecting frame (613) at one side of the rotating shaft (604), one end of the top of the connecting frame (613) is fixedly provided with a shading baffle (614), the middle of the shading baffle (614) is provided with a light hole (615), one end of the side wall of the storage box body (2) is embedded and provided with a bulb mounting seat (616) at the position corresponding to the shading baffle (614), the middle of the bulb mounting seat (616) is fixedly provided with laser lamps (617) at equal intervals, and one end of the supporting vertical plate (610) is fixedly provided with a light display panel (618) at the position corresponding to the shading baffle (614);
the raw material efficient mixing processing mechanism (7) comprises a heater (701), a water storage tank (702), a heat-insulating plate (703), a breathable plate (704), a driving motor (705), a connecting shaft (706), a driving gear (707), a main rotating shaft (708), a driven gear (709), a connecting lug (710), an auxiliary rotating shaft (711), homogenizing blades (712), a water inlet pipe (713), an exhaust pipe (714), a connecting sleeve (715), a circular fixing plate (716), a return spring (717), a circular sealing block (718), a drying box body (719), a block-shaped drying agent (720), a heat-conducting plate (721), a connecting air pipe (722), an annular round pipe (723) and an air outlet (724);
a heater (701) is embedded into the bottom end of the surface wall of the processing tank body (5), a water storage tank (702) is arranged at a position, above the heater (701), of the surface wall of the processing tank body (5), a heat-insulating plate (703) is fixedly arranged between the water storage tank (702) and the heater (701), a ventilating plate (704) is fixedly arranged in the middle of the water storage tank (702), a driving motor (705) is fixedly arranged in the middle of the top end of the processing tank body (5), an output shaft of the driving motor (705) is fixedly connected with a connecting shaft (706), a driving gear (707) is fixedly arranged at the bottom end of the connecting shaft (706), a main rotating shaft (708) is fixedly connected in the middle of the bottom end of the driving gear (707), driven gears (709) are fixedly arranged at positions, on one side of the driving gear (707), at equal intervals along the circumferential direction, at one end of the bottom of the driven gear (709), auxiliary rotating shafts (711) are fixedly connected with the bottom ends of the connecting protrusions (710), and blades (712) are uniformly arranged on the surfaces of the main rotating shaft (708) and the auxiliary rotating shafts (711);
the drying device comprises a processing tank body (5), wherein a water inlet pipe (713) is fixedly connected to the middle of the surface wall of the processing tank body (5), an exhaust pipe (714) is fixedly connected to the position, above the water inlet pipe (713), of the surface wall of the processing tank body (5), a connecting sleeve (715) is fixedly connected to one end of the exhaust pipe (714), a circular fixing plate (716) is fixedly mounted at one end, far away from the exhaust pipe (714), of the connecting sleeve (715), a return spring (717) is fixedly connected to one end of the circular fixing plate (716), a circular sealing block (718) is fixedly mounted at one end of the return spring (717), a drying box body (719) is fixedly mounted at one end of the connecting sleeve (715), a block-shaped drying agent (720) is filled in the drying box body (719), a heat conducting plate (721) is fixedly mounted at the bottom end of the inside of the drying box body (719), an air pipe (722) is fixedly connected to one end of the middle of the drying box body (719), an annular circular pipe (723) is fixedly mounted on the inner wall of the top of the feeding hopper (3), and air outlet holes (724) are formed in the bottom of the annular pipe (723) along the circumferential direction at equal intervals;
the discharging and uniform conveying mechanism (10) comprises an inclined cutting pipe (1001), a draining plate (1002), a draining groove (1003), a rotating wheel (1004), a fixed shaft seat (1005), a rotating rod (1006), a rolling brush (1007), a rotating motor (1008), a driving transmission wheel (1009), a connecting roller (1010), a conveying brush (1011), a driven transmission wheel (1012), a transmission belt (1013), a rotating disc (1014), a fixed driving column (1015), a support frame (1016), a conveying shaft (1017), a conveying belt (1018), an extending shaft (1019), a connecting disc (1020), an edge bump (1021), a driving belt pulley (1022), an auxiliary support (1023), a connecting rod (1024), a driven belt pulley (1025), a connecting belt (1026) and a rotating blade (1027);
bottom fixedly connected with mitre pipe (1001) of row material pipeline (8), the middle part of mounting bracket (9) is located mitre pipe (1001) below position department fixed mounting has drain board (1002), the bottom of mounting bracket (9) is located drain board (1002) under position department and is provided with water drainage tank (1003), the top of mounting bracket (9) is located drain board (1002) both sides position department movable mounting has rotating wheel (1004), the one end limit portion fixed mounting who rotates wheel (1004) has fixed axle bed (1005), the middle part embedding of fixed axle bed (1005) is rotated and is installed dwang (1006), the middle part fixed mounting of dwang (1006) has roller compaction brush (1007), one the one end middle part fixedly connected with of rotating wheel (1012) rotates motor (1008), the output shaft middle part that rotates motor (1008) is located roller compaction brush (1007) one side position department fixed mounting has initiative dwang (1009), the middle part of mounting bracket (9) is located 1006 (1006) one side position department movable mounting and has connect roller (1010), the middle part of connecting roller (1010) has driven roller (1011) and driven roller (1011) fixed mounting has driven roller (1009), the one end bonding roller (1010) and driven roller (1011) are located driven roller (1011), driven roller (1011) and driven roller (1009), the driven roller (1011) are located driven roller (1006) position department fixed mounting ) (ii) a
The one end fixedly connected with in the middle part of driven transmission wheel (1012) rotates disc (1014), the fixed drive post of one end limit portion fixedly connected with (1015) of rotating disc (1014), the one end fixed mounting of the bottom of mounting bracket (9) has support frame (1016), the top symmetry of support frame (1016) is installed and is carried axle (1017), the middle part of carrying axle (1017) has cup jointed conveyer belt (1018), is close to one of connecting roller (1010) carry axle (1017) tip fixedly connected with to extend axle (1019), the one end fixedly connected with of extending axle (1019) connects disc (1020), the limit portion along circumferencial direction equidistance fixed mounting of connecting disc (1020) has marginal lug (1025), the middle part fixed mounting of connecting axle (706) has driving pulley (1022), the one end fixed mounting at mounting bracket (1023) middle part has auxiliary support (1023), the middle part movable mounting of auxiliary support (1023) has connecting rod (1024), the top fixedly connected with driven pulley (1025) of connecting rod (1024), the middle part of driving pulley (1022) and driven pulley (1027) have connected with the bottom of connecting rod (1024) and the fixed connection blade (1024).
2. The preparation method of the PLA polylactic acid as the raw material of the degradable straw as claimed in claim 1, wherein the raw material stacking plate (602) and the leak-proof baffle (603) are located inside the storage box body (2), the width of the raw material stacking plate (602) is equal to the width of the movable groove (601) and the width of the inner wall of the storage box body (2), the middle parts of the two side walls inside the storage box body (2) are fixedly provided with limit blocks, one end of the bottom of the raw material stacking plate (602), which is close to the connecting flat plate (607), is fixedly provided with a balancing weight, the oval sliding block (605) is embedded and installed inside the sliding groove (611), the oval sliding block (605) is connected with the sliding groove (611) in a sliding manner, and the length of the oval sliding block (605) is equal to the diameter of the circular through groove (612).
3. The method for preparing the PLA polylactic acid as the degradable straw raw material according to claim 2, wherein the light hole (615) and the laser lamp (617) are located on the same vertical plane, a gap is left between the side surface of the light-shielding baffle (614) and the laser lamp (617), and the laser lamp (617) presents different colors of light sources.
4. The method for preparing the PLA polylactic acid as the raw material of the degradable straw as in claim 1, wherein the driving gear (707) and the driven gear (709) are engaged with each other in a meshed manner, the homogenizing blades (712) on the surface of the main rotating shaft (708) and the homogenizing blades (712) on the surface of the auxiliary rotating shaft (711) are distributed in a staggered manner, the level of the water inlet pipe (713) is lower than that of the air permeable plate (704), the level of the air outlet pipe (714) is higher than that of the air permeable plate (704), and the bottom end of the main rotating shaft (708) is symmetrically and fixedly provided with the pushing plate.
5. The preparation method of PLA polylactic acid as raw material of degradable straw as claimed in claim 4, wherein a gap is left between the edge of the circular fixing plate (716) and the inner wall of the connecting sleeve (715), the diameter of the circular sealing block (718) is larger than that of the exhaust pipe (714), one end of the circular sealing block (718) is tightly attached to the end of the exhaust pipe (714), one end of the heat conducting plate (721) extends to the inside of the water storage tank (702), one end of the connecting air pipe (722) is connected to the circular pipe (723), and the air outlet (724) is inclined downwards.
6. The method for preparing the PLA polylactic acid as the raw material of the degradable straw as claimed in claim 1, wherein the bevel cut of the bevel cut pipe (1001) is upward, the bottom end of the bevel cut pipe (1001) is in contact with the surface of the draining board (1002), the included angle between the bottom end of the draining board (1002) and the horizontal plane is 15 degrees, and the bottom end of the conveying brush (1011) is attached to the surface of the draining board (1002).
7. The method for preparing the PLA polylactic acid as the degradable straw raw material according to claim 6, wherein the rotating blade (1027) is positioned above the conveying belt (1018), the fixed driving column (1015) and the edge projection (1021) are positioned on the same vertical plane, the height of the edge projection (1021) is greater than the distance from the edge of the connecting disc (1020) to the center of the fixed driving column (1015), and the input ends of the laser lamp (617), the heater (701), the driving motor (705) and the rotating motor (1008) are electrically connected with the output end of an external power supply.
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