CN114454451A - Extrusion equipment for inorganic biodegradable straw and processing method thereof - Google Patents
Extrusion equipment for inorganic biodegradable straw and processing method thereof Download PDFInfo
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- CN114454451A CN114454451A CN202210091735.4A CN202210091735A CN114454451A CN 114454451 A CN114454451 A CN 114454451A CN 202210091735 A CN202210091735 A CN 202210091735A CN 114454451 A CN114454451 A CN 114454451A
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- traction
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- 239000010902 straw Substances 0.000 title claims abstract description 78
- 238000001125 extrusion Methods 0.000 title claims abstract description 38
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 238000007605 air drying Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- 239000004743 Polypropylene Substances 0.000 claims abstract description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 9
- -1 polypropylene Polymers 0.000 claims abstract description 6
- 229920001155 polypropylene Polymers 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 5
- 239000011707 mineral Substances 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000006065 biodegradation reaction Methods 0.000 claims description 9
- 239000012760 heat stabilizer Substances 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 claims description 9
- 239000003607 modifier Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/005—Hoses, i.e. flexible
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to an extrusion device of an inorganic biodegradable straw, which comprises a rack, wherein the rack is sequentially provided with an extrusion device, a cooling device, an air drying device, a traction device, a cutting device and a discharging device along the length direction of the rack. A processing method of an inorganic biodegradable straw comprises the steps of firstly, taking 55-75 parts by mass of calcium carbonate mineral powder, 25-45 parts by mass of polypropylene and 3-5 parts by mass of an auxiliary agent, adding the calcium carbonate mineral powder, the polypropylene and the auxiliary agent into a mixer, and mixing the materials for 25-30 minutes at a rotating speed of 120-150 r/min to obtain a raw material mixture; and step two, adding the raw material mixture into a cylinder through a charging hopper for melting and banburying, controlling the temperature to be 160-220 ℃, and extruding and molding the raw material mixture from an extrusion die to form a continuous straw after the raw material mixture is melted. Adopt above-mentioned scheme, its ability extrusion moulding straw, machining efficiency is high to the straw is degradable, intensity is high, is used for replacing traditional disposable plastics straw, reduces white pollution.
Description
Technical Field
The invention relates to an extrusion device of an inorganic biodegradation straw and a processing method thereof.
Background
The suction tube is widely applied to daily life, catering industry, medical industry and beauty industry, and because the suction tube is mostly formed by plastic extrusion, the suction tube is usually discarded at will after being used, so that the environment is seriously polluted; and the straw has small volume, is dispersed in use, is difficult to recycle, can only be generally buried or burnt, and also has serious harm to the environment.
In order to reduce environmental pollution, biodegradable straws have been developed, which are mainly made of starch or plant fiber, and have biodegradability, so that the environmental pollution is small whether the straws are discarded or buried and incinerated. However, the biodegradable materials usually require chemical reagents such as acid and alkali to perform denaturation treatment in the manufacturing process, a large amount of wastewater is generated in the process, the environment is still damaged, and the straw is softened when meeting water and is not strong enough, so that the straw is difficult to popularize and use.
Therefore, the straw is required to be manufactured by extrusion molding using a new biodegradable material, so that the straw manufactured by the method has biodegradability and minimizes environmental damage during processing.
Disclosure of Invention
The invention overcomes the defects of the prior art, and provides the extrusion equipment and the processing method of the inorganic biodegradable straw, which can extrude and form the straw, have high processing efficiency, degradable straw and high strength, and can be used for replacing the traditional disposable plastic straw and reducing white pollution.
In order to achieve the aim, the invention provides extrusion equipment of an inorganic biodegradable straw, which comprises a rack, wherein the rack is sequentially provided with an extrusion device, a cooling device, an air drying device, a traction device, a cutting device and a blanking device along the length direction of the rack,
the extrusion device comprises a machine barrel fixedly arranged on the rack, one end of the machine barrel is provided with a feeding hopper, and the other end of the machine barrel is provided with an extrusion die;
the cooling device comprises a cooling box fixedly arranged on the rack, the two ends of the cooling box in the length direction of the rack are respectively an inlet end and an outlet end, the inlet end of the cooling box is arranged close to the extrusion die, the side wall of the cooling box is provided with a plurality of water spray heads at intervals along the length direction of the rack, a cooling cavity is arranged in the cooling box, and a plurality of supporting wheels for supporting the suction pipe are arranged in the cooling cavity at intervals along the length direction of the rack;
the air drying device comprises an air drying box and a fan which are fixedly arranged on the rack, the air drying box is arranged close to the outlet end of the cooling box, an air channel is arranged in the air drying box, the fan is connected with the air channel, and a through hole for the suction pipe to penetrate through is formed in the side wall of the air drying box;
the traction device comprises a traction frame fixedly arranged on the rack, an upper traction wheel and a lower traction wheel are rotatably arranged on the traction frame, the upper traction wheel is positioned above the lower traction wheel, a driving mechanism for driving the upper traction wheel and/or the lower traction wheel to rotate is arranged on the traction frame, and the suction pipe can be conveyed under the driving of the upper traction wheel and the lower traction wheel;
the cutting device comprises a mounting frame fixedly arranged on the rack, an upper guide wheel and a lower guide wheel are rotatably arranged on the mounting frame, the upper guide wheel is positioned above the lower guide wheel, a cutter is movably arranged on one side of the mounting frame far away from the traction frame, and a driving piece for driving the cutter to move is arranged on the mounting frame;
the blanking device comprises a material receiving platform fixedly arranged on the rack, the material receiving platform is arranged close to the mounting frame, and an inclined plane inclining downwards is arranged at the bottom of the material receiving platform.
By adopting the scheme, the extruding channel is arranged in the machine barrel, the screw rod is rotationally arranged in the extruding channel, the electric heating structure is arranged on the machine barrel, raw materials in the extruding channel can be heated, the raw materials are extruded and molded into a continuous suction pipe through the extruding die, the suction pipe enters the cooling cavity from the inlet end of the cooling box, the water spray head sprays cold water to rapidly cool the suction pipe, the support wheel plays a role in supporting the suction pipe to prevent the suction pipe from being bent and deformed before cooling and molding, the cooled suction pipe enters the air channel from the outlet end of the cooling box through the through hole, the fan can blow cold air to the suction pipe, not only can dry the water on the surface of the suction pipe, but also can further cool the suction pipe, the upper traction wheel and the lower traction wheel are matched with each other to drive the suction pipe to convey, the upper guide wheel and the lower guide wheel play a role in guiding transmission according to use requirements, the cutter can cut off continuous straw into the straw of different length, and the straw after cutting off drops to connecing the material platform to along the inclined plane landing unloading, consequently continuous shaping straw, machining efficiency is high, also can be certainly through following the extrusion tooling who trades different shapes for prepare into common straw form, the size of straw can differ.
The invention further provides that: the machine frame is provided with a water storage tank below the cooling tank, a water pump is arranged in the water storage tank, the water pump is connected with a water spraying head through a water pipe, and a water leakage hole is formed in the bottom surface of the cooling cavity.
By adopting the scheme, the water pump can convey water in the water storage tank to each sprinkler bead, and water sprayed by the sprinkler beads flows back to the water storage tank from the water leakage hole, so that the water is recycled, and the water circulating device is simple in structure and reasonable in design.
The invention further provides that: go up the traction wheel and install on the traction frame through last traction seat, go up the setting that the traction seat slided along vertical direction on the traction frame, go up the traction wheel and rotate the setting on last traction seat, the traction wheel is installed on the traction frame through lower traction seat down, and the setting that the traction seat slided along vertical direction is on the traction frame down, and lower traction wheel rotates the setting and on traction seat down, be provided with the first adjusting part that can drive simultaneously on the traction frame and pull seat in opposite directions or dorsad down.
Through adopting above-mentioned scheme, go up and pull the seat and can only follow the setting that vertical direction slided with lower traction seat on the traction frame, first adjusting part can drive simultaneously and pull the seat and move in opposite directions or dorsad down to adjust the interval between traction wheel and the lower traction wheel, convey simple structure, reasonable in design with the straw that satisfies different thicknesses.
The invention further provides that: actuating mechanism includes the motor, and the motor is installed on last traction seat, and the motor passes through drive gear group and drives the traction wheel rotation, first adjusting part is including first screw rod, and first screw rod rotates along vertical direction and sets up on the traction frame, and first screw rod runs through in proper order and pulls seat and lower traction seat, first screw rod respectively with pull seat and lower traction seat screw-thread fit, first screw rod just reversing, can drive simultaneously and pull the seat with lower traction seat or move dorsad in opposite directions.
Through adopting the above scheme, go up the traction wheel as the action wheel, the motor passes through the traction wheel rotation on the structure drive of gear, the transmission is stable, be provided with both ends on the first screw rod and revolve to opposite external screw thread, go up and pull the seat and be provided with respectively with the internal thread that corresponds the external screw thread adaptation with lower traction seat, rotate first screw rod, can drive simultaneously and pull the seat in opposite directions or dorsad removal down, thereby adjust the interval between traction wheel and the lower traction wheel, convey with the straw that satisfies different thicknesses, high durability and convenient operation, and screw-thread fit has self-locking function, can keep the position always, and set up like this, motor drive goes up the traction wheel and rotates and pull the seat and reciprocate on first screw rod drives, both mutually noninterfere.
The invention further provides that: the upper guide wheel is installed on the installation frame through the upper guide seat, the upper guide seat slides along the vertical direction, the upper guide wheel is rotatably arranged on the upper guide seat, the lower guide wheel is installed on the installation frame through the lower guide seat, the lower guide seat slides along the vertical direction, the lower guide wheel is rotatably arranged on the lower guide seat, a second screw rod is rotatably arranged on the installation frame along the vertical direction, the second screw rod sequentially penetrates through the upper guide seat and the lower guide seat, the second screw rod is respectively in threaded fit with the upper guide seat and the lower guide seat, and the second screw rod rotates forwards and backwards and can simultaneously drive the upper guide seat and the lower guide seat to move in opposite directions or in the opposite directions.
Through adopting above-mentioned scheme, go up the guide holder and can only follow the setting that vertical direction slided with lower guide holder on the mounting bracket, be provided with both ends on the second screw rod and revolve to opposite external screw thread, go up the guide holder and be provided with respectively with the internal thread that corresponds the external screw thread adaptation with lower guide holder, rotate the second screw rod, can drive simultaneously and go up the guide holder and remove with lower guide holder in opposite directions or dorsad, thereby adjust the interval between leading wheel and the lower leading wheel, convey with the straw that satisfies different thicknesses, and convenient for operation, and screw-thread fit has self-locking function, can keep the position always.
The invention further provides that: the cutter pass through the fixed plate and install on the mounting bracket, fixed plate angularly adjustable installs on the mounting bracket, the setting that the cutter slided along the length direction of fixed plate is on the fixed plate, the driving piece is the fixed first cylinder that sets up on the fixed plate, the telescopic link of first cylinder sets up along the length direction of fixed plate, the telescopic link and the cutter fixed connection of first cylinder.
Through adopting above-mentioned scheme, the cutter passes through the structure of guide block and guide slot and the cooperation of sliding of fixed plate direction, and the cutter operation is stable, and the fixed plate passes through the mounting screw and installs on the mounting bracket, and consequently the installation angle of fixed plate is adjusted to the hole site of accessible adjustment installation, can adjust the angle of cutter like this according to the needs of production to realize the incision of the different angles of straw, first cylinder drives the cutter and removes, and control is convenient.
The invention further provides that: connect the material bench to be provided with the baffle that is used for the backstop straw gliding, connect the material bench to be provided with the crossbeam in the top on inclined plane, be provided with the second cylinder on the crossbeam fixedly, the telescopic link of second cylinder sets up along vertical direction, the telescopic link and the baffle fixed connection of second cylinder, and the second cylinder can drive the baffle and reciprocate.
Through adopting above-mentioned scheme, before the unloading, earlier through the second cylinder drive baffle move down, the baffle supports and establishes on the inclined plane, and individual straw can gather to baffle department like this, and after a certain amount was gathered to the straw, the cylinder drove the baffle and moves down to make the straw continue to slide down along the inclined plane, compare and slide down alone the straw one by one, more neat, the unloading of being convenient for.
The invention further provides that: the supporting wheel is provided with an arc-shaped groove along the circumferential direction of the supporting wheel.
Through adopting above-mentioned scheme, the arc recess of supporting wheel and the lateral surface shape adaptation of straw, the straw can not warp when insufficient cooling like this, simple structure, reasonable in design.
In order to achieve the purpose, the invention provides a processing method of an inorganic biodegradable straw, which comprises the following steps of firstly, adding 55-75 parts by mass of calcium carbonate mineral powder, 25-45 parts by mass of polypropylene and 3-5 parts by mass of an auxiliary agent into a mixer, and mixing for 25-30 minutes at a rotating speed of 120-150 r/min to obtain a raw material mixture;
and step two, adding the raw material mixture into a machine barrel through a hopper for melting and banburying, controlling the temperature to be 160-220 ℃, extruding and molding continuous straws from an extrusion die after the raw material mixture is melted, extruding the straws into a cooling box, spraying cold water to the straws by a water spraying head for rapid cooling, conveying the straws to an air drying box for air drying operation, drawing the straws to a cutting device by a drawing device, cutting the continuous straws by a cutter according to a preset length, dropping the straws to a material receiving platform, and discharging through inclined plane sliding.
The invention further provides that: the auxiliary agent comprises a heat stabilizer, a lubricant and a surface modifier, wherein the heat stabilizer is BASF25, the lubricant is one or a mixture of two of zinc stearate L-806 and PP wax, the surface modifier is one or a mixture of two of PN-827 and stearic acid 1801, and the mass ratio of the heat stabilizer to the lubricant to the surface modifier is 0.3-1: 0.5-1: 0.5-1.2.
By adopting the scheme, the calcium carbonate particles can maintain the optimal dispersion state of the high molecular polymer while maintaining the strength, and promote the uniform proceeding of the degradation reaction; on the other hand, a stable distribution structure can be obtained, the mechanical strength of the material is obviously improved, the optimal balance of degradation rate and stability is obtained, the zinc stearate in the auxiliary agent can accelerate the polypropylene cracking and aging in the mixed master batch, so that the whole body is crushed and broken, and the section is in large-area contact with air; particularly, when sulfurous acid and other substances composed of sulfides in the air and rainwater are encountered, small calcium carbonate particles are rapidly crushed under the washing of rainwater to form smaller fragments, other components in the auxiliary agent further promote the contact area and the degradation rate of calcium carbonate and high polymer materials with the air, so that the materials are finally degraded, and a large amount of calcium carbonate powder and the like remained after degradation return to the soil, and the straw formed by extrusion is harmless and pollution-free, so that the straw is degradable, high in strength, good in heat resistance and water resistance, and used for replacing the traditional disposable plastic products, and white pollution is reduced.
The invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic top view of the cooling apparatus;
FIG. 3 is a schematic view of a connection structure of a fan and an air duct;
FIG. 4 is a schematic view of the draft gear;
FIG. 5 is a schematic view of the driving mechanism;
FIG. 6 is a schematic view of the cutting apparatus;
FIG. 7 is a schematic view of a structure of the baffle plate cooperating with the second cylinder;
fig. 8 is a schematic structural view of the support wheel.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in figures 1-8, an extrusion device for inorganic biodegradation straws comprises a frame 1, wherein the frame 1 is sequentially provided with an extrusion device 2, a cooling device 3, an air drying device 4, a traction device 5, a cutting device 6 and a blanking device 7 along the length direction,
the extrusion device 2 comprises a machine barrel 21 fixedly arranged on the rack 1, one end of the machine barrel 21 is provided with a feeding hopper 22, and the other end of the machine barrel 21 is provided with an extrusion die 23;
the cooling device 3 comprises a cooling box 31 fixedly arranged on the rack 1, two ends of the cooling box 31 in the length direction of the rack 1 are respectively an inlet end 311 and an outlet end 312, the inlet end 311 of the cooling box 31 is arranged close to the extrusion die 23, a plurality of water spray heads 32 are arranged on the side wall of the cooling box 31 at intervals along the length direction of the rack 1, a cooling cavity 313 is arranged in the cooling box 31, and a plurality of supporting wheels 33 for supporting suction pipes are arranged in the cooling cavity 313 at intervals along the length direction of the rack 1;
the air drying device 4 comprises an air drying box 41 and a fan 42 which are fixedly arranged on the rack 1, the air drying box 41 is arranged close to the outlet end 412 of the cooling box 31, an air duct 411 is arranged in the air drying box 41, the fan 42 is connected with the air duct 411, and a through hole 412 for a suction pipe to penetrate through is arranged on the side wall of the air drying box 41;
the traction device 5 comprises a traction frame 51 fixedly arranged on the frame 1, an upper traction wheel 52 and a lower traction wheel 53 are rotatably arranged on the traction frame 51, the upper traction wheel 52 is positioned above the lower traction wheel 53, a driving mechanism for driving the upper traction wheel 52 and/or the lower traction wheel 53 to rotate is arranged on the traction frame 51, and the straws can be conveyed under the driving of the upper traction wheel 52 and the lower traction wheel 53;
the cutting device 6 comprises a mounting frame 61 fixedly arranged on the frame 1, an upper guide wheel 62 and a lower guide wheel 63 are rotatably arranged on the mounting frame 61, the upper guide wheel 62 is positioned above the lower guide wheel 63, a cutter 64 is movably arranged on one side of the mounting frame 61 far away from the traction frame 51, and a driving piece for driving the cutter 64 to move is arranged on the mounting frame 61;
the blanking device 7 comprises a material receiving table 71 fixedly arranged on the frame 1, the material receiving table 71 is arranged close to the mounting frame 61, and the bottom of the material receiving table 71 is provided with an inclined surface 711 inclining downwards. Wherein the length direction of the frame is the direction indicated by a in fig. 1.
In this embodiment, the frame 1 is provided with a water storage tank 34 below the cooling tank 31, a water pump 35 is provided in the water storage tank 34, the water pump 35 is connected to the water spray head 32 through a water pipe, and the bottom surface of the cooling chamber 313 is provided with water leakage holes 314.
In this embodiment, the upper traction wheel 52 is mounted on the traction frame 51 through an upper traction seat 54, the upper traction seat 54 is slidably and vertically disposed on the traction frame 51 through a guide rod and guide hole structure, the upper traction wheel 52 is rotatably disposed on the upper traction seat 54, the lower traction wheel 53 is mounted on the traction frame 51 through a lower traction seat 55, the lower traction seat 55 is slidably and vertically disposed on the traction frame 51 through a guide rod and guide hole structure, the lower traction wheel 53 is rotatably disposed on the lower traction seat 55, the traction frame 51 is provided with a first adjusting assembly capable of simultaneously driving the upper traction seat 54 and the lower traction seat 55 to move toward or away from each other, the first adjusting assembly comprises a first screw rod 56, the first screw rod 56 is rotatably disposed on the traction frame 51 in the vertical direction, the first screw rod 56 sequentially penetrates through the upper traction seat 54 and the lower traction seat 55, and the first screw rod 56 is provided with external threads having opposite ends, the upper traction seat 54 and the lower traction seat 55 are respectively provided with an internal thread matched with the corresponding external thread, the first screw 56 is respectively in threaded fit with the upper traction seat 54 and the lower traction seat 55, and the first screw 56 rotates positively and negatively and can simultaneously drive the upper traction seat 54 and the lower traction seat 55 to move in opposite directions or in opposite directions. Of course, the upper traction seat and the lower traction seat can be driven to move towards or away from each other through the structure of the air cylinder or the hydraulic cylinder. Of course, the upper traction seat and the lower traction seat can also be directly fixed on the traction frame.
In this embodiment, the driving mechanism includes a motor 57, the motor 57 is mounted on the upper traction base 54, and the motor 57 drives the upper traction wheel 52 to rotate through a transmission gear set 58. Of course, the motor can also be arranged on the lower traction seat, and the motor drives the lower traction wheel to rotate through the transmission gear set. Of course, the two motors can be respectively arranged on the upper traction seat and the lower traction seat, and the two motors can respectively drive the upper traction wheel and the lower traction wheel to rotate.
In this embodiment, the upper guide wheel 62 is mounted on the mounting frame 61 through an upper guide seat 65, the upper guide seat 65 is slidably and vertically arranged on the mounting frame 61 through a guide rail and guide groove structure, the upper guide wheel 62 is rotatably arranged on the upper guide seat 65, the lower guide wheel 63 is mounted on the mounting frame 61 through a lower guide seat 66, the lower guide seat 66 is slidably and vertically arranged on the mounting frame 61 through a guide rail and guide groove structure, the lower guide wheel 63 is rotatably arranged on the lower guide seat 66, a second screw 67 is rotatably arranged on the mounting frame 61 in the vertical direction, the second screw 67 sequentially penetrates through the upper guide seat 65 and the lower guide seat 66, the second screw 67 is provided with external threads with opposite rotation directions at two ends, the upper guide seat 65 and the lower guide seat 66 are respectively provided with internal threads adapted to the corresponding external threads, the second screw 67 is respectively in threaded fit with the upper guide seat 65 and the lower guide seat 66, the second screw 67 rotates forward and backward, and can drive the upper guide base 65 and the lower guide base 66 to move in opposite directions or in opposite directions. Of course, the upper guide seat and the lower guide seat can be driven to move towards or away from each other through the structure of the air cylinder or the hydraulic cylinder. Of course, the upper guide seat and the lower guide seat can be directly and fixedly arranged on the mounting frame.
In this embodiment, the cutting knife 64 is mounted on the mounting bracket 61 through a fixing plate 68, the fixing plate 68 is mounted on the mounting bracket 61 through a screw, so that the mounting angle of the fixing plate 68 can be adjusted by adjusting the mounting hole 611, the cutting knife 64 is slidably disposed on the fixing plate 68 along the length direction of the fixing plate 68 through a guide rail and guide groove structure, the driving member is a first cylinder 69 fixedly disposed on the fixing plate 68, the telescopic rod of the first cylinder 69 is disposed along the length direction of the fixing plate 68, and the telescopic rod of the first cylinder 69 is fixedly connected with the cutting knife 64. Of course, the cutting knife can also cut off in a rotating manner.
In this embodiment, a baffle 72 for stopping the downward sliding of the suction pipe is arranged on the material receiving table 71, a cross beam 712 is arranged above the inclined plane 711 of the material receiving table 71, a second air cylinder 73 is fixedly arranged on the cross beam 712, an expansion rod of the second air cylinder 73 is arranged along the vertical direction, the expansion rod of the second air cylinder 73 is fixedly connected with the baffle 72, and the second air cylinder 73 can drive the baffle 72 to move up and down.
In the present embodiment, the support wheel 33 is provided with an arc-shaped groove 331 along its circumferential direction.
A processing method of an inorganic biodegradable straw,
step one, adding 55-75 parts by mass of calcium carbonate mineral powder, 25-45 parts by mass of polypropylene and 3-5 parts by mass of an auxiliary agent into a mixer, and mixing at a rotating speed of 120-150 r/min for 25-30 minutes to obtain a raw material mixture;
and step two, adding the raw material mixture into a machine barrel 21 through a hopper 22 for melting and banburying, controlling the temperature at 160-220 ℃, extruding and molding continuous straws from an extrusion die 23 after the raw material mixture is melted, feeding the extruded straws into a cooling box 31, rapidly cooling cold water sprayed by the straws by a water spray head 32, conveying the straws to an air drying box 41 for air drying, drawing the straws to a cutting device 6 by a drawing device 5, cutting the continuous straws by a cutter 64 according to a preset length, dropping the straws to a material receiving table 71, and sliding down through an inclined plane 711 for blanking.
In the embodiment, the auxiliary agent comprises a heat stabilizer, a lubricant and a surface modifier, the heat stabilizer is BASF25, the lubricant is one or a mixture of two of zinc stearate L-806 and PP wax, the surface modifier is one or a mixture of two of PN-827 and stearic acid 1801, and the mass ratio of the heat stabilizer, the lubricant and the surface modifier is 0.3-1: 0.5-1: 0.5-1.2.
Of course, the common straw form can be prepared by replacing the extrusion dies with different shapes, and the straws can be different in size.
The above embodiments are merely preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an extrusion equipment of inorganic biodegradable straw, includes the frame, its characterized in that: the machine frame is sequentially provided with an extrusion device, a cooling device, an air drying device, a traction device, a cutting device and a blanking device along the length direction of the machine frame,
the extrusion device comprises a machine barrel fixedly arranged on the rack, one end of the machine barrel is provided with a feeding hopper, and the other end of the machine barrel is provided with an extrusion die;
the cooling device comprises a cooling box fixedly arranged on the rack, the two ends of the cooling box in the length direction of the rack are respectively an inlet end and an outlet end, the inlet end of the cooling box is arranged close to the extrusion die, the side wall of the cooling box is provided with a plurality of water spray heads at intervals along the length direction of the rack, a cooling cavity is arranged in the cooling box, and a plurality of supporting wheels for supporting the suction pipe are arranged in the cooling cavity at intervals along the length direction of the rack;
the air drying device comprises an air drying box and a fan which are fixedly arranged on the rack, the air drying box is arranged close to the outlet end of the cooling box, an air channel is arranged in the air drying box, the fan is connected with the air channel, and a through hole for the suction pipe to penetrate through is formed in the side wall of the air drying box;
the traction device comprises a traction frame fixedly arranged on the rack, an upper traction wheel and a lower traction wheel are rotatably arranged on the traction frame, the upper traction wheel is positioned above the lower traction wheel, a driving mechanism for driving the upper traction wheel and/or the lower traction wheel to rotate is arranged on the traction frame, and the suction pipe can be conveyed under the driving of the upper traction wheel and the lower traction wheel;
the cutting device comprises a mounting frame fixedly arranged on the rack, an upper guide wheel and a lower guide wheel are rotatably arranged on the mounting frame, the upper guide wheel is positioned above the lower guide wheel, a cutter is movably arranged on one side of the mounting frame far away from the traction frame, and a driving piece for driving the cutter to move is arranged on the mounting frame;
the blanking device comprises a material receiving platform fixedly arranged on the rack, the material receiving platform is arranged close to the mounting frame, and an inclined plane inclining downwards is arranged at the bottom of the material receiving platform.
2. The extrusion device of the inorganic biodegradation straw of claim 1, wherein: the machine frame is provided with a water storage tank below the cooling tank, a water pump is arranged in the water storage tank, the water pump is connected with a water spraying head through a water pipe, and a water leakage hole is formed in the bottom surface of the cooling cavity.
3. The extrusion device of the inorganic biodegradation straw according to claim 1 or 2, wherein: go up the traction wheel and install on the traction frame through last traction seat, go up the setting that the traction seat slided along vertical direction on the traction frame, go up the traction wheel and rotate the setting on last traction seat, the traction wheel is installed on the traction frame through lower traction seat down, and the setting that the traction seat slided along vertical direction is on the traction frame down, and lower traction wheel rotates the setting and on traction seat down, be provided with the first adjusting part that can drive simultaneously on the traction frame and pull seat in opposite directions or dorsad down.
4. The extrusion device of the inorganic biodegradation straw of claim 3, wherein: actuating mechanism includes the motor, and the motor is installed on last traction seat, and the motor passes through drive gear group and drives the traction wheel rotation, first adjusting part is including first screw rod, and first screw rod rotates along vertical direction and sets up on the traction frame, and first screw rod runs through in proper order and pulls seat and lower traction seat, first screw rod respectively with pull seat and lower traction seat screw-thread fit, first screw rod just reversing, can drive simultaneously and pull the seat with lower traction seat or move dorsad in opposite directions.
5. The extrusion device of the inorganic biodegradation straw according to claim 1 or 2, wherein: the upper guide wheel is installed on the installation frame through the upper guide seat, the upper guide seat slides along the vertical direction, the upper guide wheel is rotatably arranged on the upper guide seat, the lower guide wheel is installed on the installation frame through the lower guide seat, the lower guide seat slides along the vertical direction, the lower guide wheel is rotatably arranged on the lower guide seat, a second screw rod is rotatably arranged on the installation frame along the vertical direction, the second screw rod sequentially penetrates through the upper guide seat and the lower guide seat, the second screw rod is respectively in threaded fit with the upper guide seat and the lower guide seat, and the second screw rod rotates forwards and backwards and can simultaneously drive the upper guide seat and the lower guide seat to move in opposite directions or in the opposite directions.
6. The extrusion device of the inorganic biodegradation straw according to claim 1 or 2, wherein: the cutter pass through the fixed plate and install on the mounting bracket, fixed plate angularly adjustable installs on the mounting bracket, the setting that the cutter slided along the length direction of fixed plate is on the fixed plate, the driving piece is the fixed first cylinder that sets up on the fixed plate, the telescopic link of first cylinder sets up along the length direction of fixed plate, the telescopic link and the cutter fixed connection of first cylinder.
7. The extrusion device of the inorganic biodegradation straw according to claim 1 or 2, wherein: connect the material bench to be provided with the baffle that is used for the backstop straw gliding, connect the material bench to be provided with the crossbeam in the top on inclined plane, be provided with the second cylinder on the crossbeam fixedly, the telescopic link of second cylinder sets up along vertical direction, the telescopic link and the baffle fixed connection of second cylinder, and the second cylinder can drive the baffle and reciprocate.
8. The extrusion device of the inorganic biodegradation straw according to claim 1 or 2, wherein: the supporting wheel is provided with an arc-shaped groove along the circumferential direction of the supporting wheel.
9. A processing method of an inorganic biodegradable straw is characterized by comprising the following steps:
step one, adding 55-75 parts by mass of calcium carbonate mineral powder, 25-45 parts by mass of polypropylene and 3-5 parts by mass of an auxiliary agent into a mixer, and mixing at a rotating speed of 120-150 r/min for 25-30 minutes to obtain a raw material mixture;
and step two, adding the raw material mixture into a machine barrel through a hopper for melting and banburying, controlling the temperature to be 160-220 ℃, extruding and molding continuous straws from an extrusion die after the raw material mixture is melted, extruding the straws into a cooling box, spraying cold water to the straws by a water spraying head for rapid cooling, conveying the straws to an air drying box for air drying operation, drawing the straws to a cutting device by a drawing device, cutting the continuous straws by a cutter according to a preset length, dropping the straws to a material receiving platform, and discharging through inclined plane sliding.
10. The method for processing the inorganic biodegradable straw as claimed in claim 9, wherein the method comprises the following steps: the auxiliary agent comprises a heat stabilizer, a lubricant and a surface modifier, wherein the heat stabilizer is BASF25, the lubricant is one or a mixture of two of zinc stearate L-806 and PP wax, the surface modifier is one or a mixture of two of PN-827 and stearic acid 1801, and the mass ratio of the heat stabilizer to the lubricant to the surface modifier is 0.3-1: 0.5-1: 0.5-1.2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210091735.4A CN114454451A (en) | 2022-01-26 | 2022-01-26 | Extrusion equipment for inorganic biodegradable straw and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210091735.4A CN114454451A (en) | 2022-01-26 | 2022-01-26 | Extrusion equipment for inorganic biodegradable straw and processing method thereof |
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| CN202210091735.4A Pending CN114454451A (en) | 2022-01-26 | 2022-01-26 | Extrusion equipment for inorganic biodegradable straw and processing method thereof |
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