CN112208083A - Equipment for radially extruding wood-plastic product - Google Patents
Equipment for radially extruding wood-plastic product Download PDFInfo
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- CN112208083A CN112208083A CN201910648648.2A CN201910648648A CN112208083A CN 112208083 A CN112208083 A CN 112208083A CN 201910648648 A CN201910648648 A CN 201910648648A CN 112208083 A CN112208083 A CN 112208083A
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- extrusion
- extruding
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- 239000004033 plastic Substances 0.000 title claims abstract description 59
- 229920003023 plastic Polymers 0.000 title claims abstract description 59
- 238000001125 extrusion Methods 0.000 claims abstract description 140
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 241000196324 Embryophyta Species 0.000 claims abstract description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 235000009566 rice Nutrition 0.000 claims abstract description 5
- 239000010902 straw Substances 0.000 claims abstract description 5
- 240000007594 Oryza sativa Species 0.000 claims abstract 2
- 239000004615 ingredient Substances 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000005674 electromagnetic induction Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000011218 segmentation Effects 0.000 claims 1
- 239000002023 wood Substances 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 7
- 239000000654 additive Substances 0.000 abstract description 5
- 238000005406 washing Methods 0.000 abstract description 4
- 239000010903 husk Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000007731 hot pressing Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920001587 Wood-plastic composite Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011155 wood-plastic composite Substances 0.000 description 1
Images
Classifications
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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
- B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
- B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
- B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
-
- 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
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2511/00—Use of natural products or their composites, not provided for in groups B29K2401/00 - B29K2509/00, as filler
- B29K2511/14—Wood, e.g. woodboard or fibreboard
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention relates to equipment for radially extruding a wood-plastic product, which belongs to mechanical equipment in the plastic-wood industry. Under the driving of power, the radial extrusion shaft with strong radial extrusion force drives the blades to play a role in compressing, extruding and stirring raw materials in the eccentric cavity, and under the heating of the heater, plastic bags in the household garbage can be used as main raw materials under the states of no sorting, no washing and uncertain models and parts of the plastic bags, and are used as novel equipment for producing wood-plastic product materials together with waste plant fibers of sawdust, rice husks, straws and additives through radial compression, stirring and extrusion.
Description
The technical field is as follows:
the invention belongs to the field of plastic mechanical equipment and relates to equipment for producing wood-plastic product materials by taking waste plastic bags and waste plant fibers such as sawdust, rice hulls and straws as main raw materials and auxiliary materials; in particular to a novel device for producing wood-plastic products by taking various plastic bags in white polluted garbage as main raw and auxiliary materials under the conditions of uncertain quantity or weight, no separation and no water washing, and using the plastic bags together with sawdust, rice hulls, straw waste plant fibers and additives in the environmental protection industry.
Background art:
the wood plastic production equipment is a common equipment in the existing market, and comprises a single-screw operating equipment series, a double-screw operating equipment series, a single-double screw combined operating equipment series and a device for producing wood plastic plate products by rolling, wherein all the equipment series take new plastics or cleaned regenerated plastic particles as main raw materials in the produced wood plastic materials to produce the wood plastic composite product materials with corresponding materials, and the equipment for producing the wood plastic products in the spiral or rolling device is difficult to use various garbage plastic bags as main and auxiliary materials in a mixed and non-water-washing and non-sorting state.
The related data is consulted to show that in the existing wood-plastic industry, a hot-pressing device can be used for producing wood-plastic product materials by taking garbage plastic bags as main raw and auxiliary materials under the condition that various plastics are mixed and not cleaned, although the hot-pressing device can be used for producing the wood-plastic products, the device adopts a hot-pressing type discontinuous operation mode that a plurality of layers of molds are charged and then are superposed together for pressurization and heating, the raw and auxiliary materials, additives and ingredients can only be stirred before hot-pressing production to be uniform and then are charged into a hot-pressing mold of the device for pressurization and heating to promote the plasticizing and molding of the raw and auxiliary materials, and the raw and auxiliary materials and the additives cannot be generated or stirred in the devices or molds in the production process under the pressure and heating conditions, so that the wood-plastic products have the problems of layered conditions, uniformity and the like. Although the wood-plastic product can be formed by hot pressing, the whole product has poor mechanical property, the performance of each part of the product is not uniform, and the use or popularization value of the product equipment is limited or reduced because the hot pressing equipment is a discontinuous production operation mode with low efficiency and high energy consumption.
The invention content is as follows:
the invention relates to a device for extruding a wood-plastic product in a radial direction, which is a novel device for extruding and producing the wood-plastic product by adopting a mechanical operation structure of radial extrusion with a cylinder shaft rotating eccentrically. The invention mainly designs a radial extrusion cylinder, a pair of symmetrical feed and discharge ports are designed on the two axial sides of the excircle of the radial extrusion cylinder, the feed ports are communicated with the inner cavity of the extrusion cylinder, and a gas vent hole and a temperature detection hole are also designed; a radial extrusion shaft and a movable blade are designed, the radial extrusion shaft is arranged in a radial extrusion cylinder, and the inner diameter of the cylinder is larger than the outer diameter of the shaft; the designed blade structure has a sheet structure or a sheet rod structure, and blades are uniformly distributed on the cross section of the radial extrusion shaft in a crossed manner to form a structure of a blade division eccentric cavity; the radial extrusion shaft is provided with blades and blade movable cavity grooves or slotted holes, and the blades of the blade type structure or the blade rod type structure rotate along with the radial extrusion shaft to move back and forth; the two ends of the radial extrusion shaft are provided with eccentric supports for supporting the shaft diameter to support the radial extrusion shaft, the eccentric supports are connected and fastened with the end face of the radial extrusion cylinder, so that the outer circle of the radial extrusion shaft is tangent to the inner circle of one side of the radial extrusion cylinder, and an eccentric cavity is formed between the cylinder shafts; the designed blades are distributed on the section of the radial extrusion shaft in a crossed and uniform angle, the quantity of the blades determines the size of the crossed distribution angle of the blades on the extrusion shaft, and the smaller the distribution angle is, the smaller the fluctuation quantity of feeding and discharging during the operation of equipment is; one end of the radial extrusion shaft is provided with a gear power transmission structure to provide power capable of changing speed at any time for the extrusion shaft; a heater is arranged on the excircle of the radial extrusion cylinder, and the radial extrusion cylinder is heated to heat the original auxiliary material;
the equipment for extruding the wood-plastic product in the radial direction is provided with a main frame, a die holder is arranged and fixed at the front end of the main frame, support side plates are arranged on two sides of the main frame, a rear baffle is also arranged at the rear end of the main frame, and the die holder and the rear baffle are fixedly connected with the two side plates to form a frame structure. A plurality of radial extrusion components are parallelly and tightly connected and fixed in a frame structure formed by two side plates of the frame, the die holder and the rear baffle. The discharge port of the front radial extrusion part is connected with the die cavity of the die holder, the feed port of the front radial extrusion part is relatively connected with the discharge port of the rear radial extrusion part, and the feed port of the large-opening cavity at the rear end is connected with the feed hopper to form a continuous compression stirring and extrusion conveying channel for the original and auxiliary materials. The radial extrusion part is composed of a radial extrusion cylinder, a radial extrusion shaft, a movable blade, an eccentric support and a power transmission gear, is arranged on a main frame, and is driven by a variable speed power mechanism to rotate and drive the blade to perform amplification feeding and return periodic motion of compressed extrusion materials on an eccentric cavity formed between the cylinder shafts, so that the functions of feeding, compressing and extruding the original auxiliary materials to the next feeding cavity for stirring are realized.
The equipment for radially extruding the wood-plastic product is also provided with a variable-speed power structure, consists of a speed reducer, a variable-frequency motor, a corresponding frequency converter and a control system, and can provide an automatic or manual adjusting system for power and running speed at any time according to the running condition of the equipment. Also considered are a cooling system for the product forming mold, a sawing sizing system and an integral frame structure, which are all running matching with conventional facility components as a main machine.
The invention provides a scheme for solving the technical problems: the invention adopts a rotating structure that a radial extrusion container and a radial extrusion shaft are eccentrically and radially extruded relatively, namely, the radial extrusion container is internally provided with the radial extrusion shaft, the inner diameter of the container is larger than the outer diameter of the shaft, two ends of the radial extrusion shaft are provided with eccentric shaft sleeve supports for supporting the radial extrusion shaft, the eccentric shaft sleeve supports are fastened with two ends of the radial extrusion container, so that the outer diameter of the radial extrusion shaft is tangent with one side of the inner diameter of the radial extrusion container, and an eccentric operating component with an eccentric cavity is formed. Two ends of the radial extrusion eccentric operation component are fixedly arranged on the side plate of the frame by an eccentric shaft sleeve support; the blades are arranged in blade cavity grooves of the radial extrusion shaft and move back and forth along with the rotation of the extrusion shaft, the blades divide eccentric cavities between the barrel shafts, the designed quantity of the blades determines the angle size of the eccentric cavities uniformly divided by the blades, the blades gradually compress the eccentric cavities to a discharge port along with the rotation of the radial extrusion shaft, and then the reciprocating periodic motion from the eccentric cavities to the feed port is gradually amplified. The excircle of the radial extrusion component is designed and installed by a heating plate, and the purpose of heating the raw material is achieved by heating the excircle of the radial extrusion cylinder. The function of radial extrusion is to use the eccentric cavity between the cylinder shafts to rotate along with the shaft, and the periodic repeated change of the back and forth movement of the blades in the eccentric cavity to realize the extrusion production process of heating, compressing and stirring the raw and auxiliary materials and other ingredients.
The device for producing the wood-plastic product by adopting radial extrusion has the characteristics that: 1. the extrusion pressure of the radial extrusion is strong; 2. the original auxiliary material has excellent plasticizing effect after being subjected to repeated radial compression extrusion and stirring; 3. the extrusion force of the section of the ultra-wide wood-plastic wide plate product is uniformly distributed; 4. the wood-plastic product produced has good formability and excellent mechanical property; 5. the equipment series for radially extruding the wood-plastic wide plate product can be easily designed according to different width sizes of the product requirements. 6. The die of a wide plate or an ultra-wide plate is easy to design;
the equipment for producing the wood-plastic product by using the radial extrusion has the beneficial effects that; 1. the wood-plastic production equipment can adapt to wood-plastic production of various mixed-grade plastics; 2, the wide plate or ultra-wide plate wood-plastic mold is simple to design and manufacture and has a good product forming effect; 3. the equipment has quick plasticizing effect and high production efficiency; 4. the wood-plastic product material can be produced by taking the waste plastic bags in various mixing states, namely, the states of uncertain quantity of waste plastic bags, no separation and no washing as main raw materials, and wood chips, rice hulls, straw waste plant fibers and additives;
drawings
The invention will be further explained with reference to the accompanying drawings
FIG. 1 is a schematic top view of a radial extrusion die
FIG. 2 is a schematic cross-sectional view of a radial extrusion device
Fig. 1 is a schematic plan view of a main machine structure of the radial extrusion wood plastic product equipment of the present invention, and fig. 2 is a schematic sectional view of the main machine structure of the radial extrusion wood plastic product equipment of the present invention. The equipment for extruding the wood-plastic product in the radial direction mainly comprises the following parts: two frame side plates (4) are fixedly arranged on two sides of a main frame (1), a die holder (2) at the front end of the main frame (1) and a rear baffle (14) at the rear end of the main frame (1), a plurality of radial extrusion components are parallelly arranged and fixed on the frame side plates (4) through eccentric shaft sleeve supports (19) at two ends of the radial extrusion components, a radial extrusion cylinder (8) of the front radial extrusion component is fastened with the die holder (2), a discharge hole (11) of the radial extrusion cylinder (8) is connected with a die cavity (3) of the die holder (2), and a feed hole (12) of the radial extrusion cylinder (8) is connected with a discharge hole (11) of the rear radial extrusion cylinder (8); an extrusion cylinder (8) of a radial extrusion component at the rear end is adjacent to a rear baffle plate (14), and a large feeding cavity (16) of the extrusion cylinder (8) is connected with a feeding hopper (5); an adjusting and fixing screw hole (15) is designed on the rear baffle (14) and tightly props against the connection of the material inlet and the material outlet; a radial extrusion shaft (9) is arranged in an extrusion cylinder (8) of the radial extrusion component, and a plurality of groups of movable blades (10) are arranged on the radial extrusion shaft (9) and are uniformly distributed in a crossed manner; the radial extrusion shafts (9) are supported by eccentric shaft sleeve supports (19) at two ends and are fixedly connected with the ends of the radial extrusion barrels (8) to form eccentric cavities (13) between barrel shafts; one end head of the radial extrusion shaft (9) is also provided with a power transmission gear (17); an air vent (18) is designed on the radial extrusion cylinder (8); a heating plate (21) is arranged on the excircle of the radial extrusion component, and a temperature detection hole (20) is arranged; the main frame (1) is also provided with a speed reducer (6) and a variable speed motor (7) in a matching way to provide variable speed power for the radial extrusion component.
Detailed description of the preferred embodiments
The working condition of the radial extrusion wood plastic product equipment is described by combining specific examples. A plurality of groups of radial extrusion components are parallelly installed and fixed on a side plate of a machine frame of a main machine frame through eccentric shaft sleeve supports at two ends of the radial extrusion components, radial extrusion shafts are installed in radial extrusion feed barrels, the inner diameter of each radial extrusion barrel is larger than the outer diameter of each radial extrusion shaft, each radial extrusion shaft is fixed with the end of each radial extrusion barrel through the eccentric support, the outer diameter of one side of each radial extrusion shaft is tangent to the inner diameter of one side of each radial extrusion barrel, and an eccentric cavity is formed between barrel shafts; a plurality of groups of movable blades are arranged on the radial extrusion shaft, the blade structure is of a sheet structure or a blade rod structure, the blades move back and forth in a cavity groove or a slotted hole of the radial extrusion shaft, and the blades are distributed on the section of the radial extrusion shaft in a crossed and uniform angle to form a structure of a blade-divided eccentric cavity; symmetrical feeding and discharging ports are designed in the axial direction of the excircle of the radial extrusion cylinder, the feeding port of each radial extrusion cylinder is connected with the discharging port of the next radial extrusion cylinder, the discharging port at the front end is connected with the die cavity of the die holder, and the feeding large cavity port of the radial extrusion cylinder at the rear end is connected with the feeding hopper, so that a conveying channel for compressing, stirring and extruding the original auxiliary materials in the operation process is formed. Heaters are arranged on the upper and lower parts of the excircle of a radial extrusion cylinder arranged on a main frame, and provide heat energy for softening and quickly plasticizing the original auxiliary material together with heat generated by friction during the compression, stirring and extrusion operation of a radial extrusion component; the radial extrusion part is provided with a temperature control monitoring point for monitoring and adjusting the temperature change and stability of the radial extrusion barrel at any time; the radial extrusion part is provided with air vents for providing partial gas discharged by the raw and auxiliary materials and the ingredients in the operation and heating process; the main frame is also provided with a variable speed motor, a reducer and a control system in a matching way, and power which can be automatically or manually adjusted is provided for the radial extrusion shaft through a gear at the shaft end.
The radial extrusion shaft is driven by the gear, the movable blade performs reciprocating motion in the eccentric cavity, when raw and auxiliary materials and ingredients enter the large feeding cavity from the feed hopper, the movable blade compresses the raw and auxiliary materials and ingredients in the eccentric cavity along with the rotation of the radial extrusion shaft to form a feeding state, the movable blade is driven by external power to drive the movable blade to compress the raw materials and the ingredients along with the rotation of the radial extrusion shaft, simultaneously, the heat provided by the heating component outside the radial extrusion cylinder and the friction heat generated by the compression and extrusion of the radial extrusion part gradually soften, the gradually softened raw and auxiliary materials and ingredients are gradually compressed by the movable blade in the eccentric cavity, and under the eccentric rotation and compression and extrusion of the radial extrusion shaft and the movable blade, the softened raw and auxiliary materials and ingredients are extruded to the position of the discharge port and are conveyed to the feed port of the adjacent radial extrusion cylinder, the primary plasticizing process of softening, compressing, extruding and stirring of the raw and auxiliary materials and ingredients is completed. And extruding and conveying the plasticized raw materials into a die cavity of a die holder for gathering along with the continuous operation of the equipment, wherein the die cavity of the die holder is connected with the die cavity of the die. Under the action of external power, blades between the radial extrusion shaft and the radial extrusion cylinder generate strong extrusion force, plasticized raw materials gathered in the die cavity of the die holder are forced to be extruded and molded through the die cavity of the die to produce a wood-plastic product, and the function of producing wood plastic through radial extrusion of the novel device is completed.
Claims (8)
1. The invention relates to a device for extruding a wood-plastic product in a radial direction, which is characterized in that: a plurality of radial extrusion components are arranged and fixed on a main frame between two bracket side plates, a die holder and a rear baffle in parallel, and a variable speed power system provides power to enable the radial extrusion components to generate periodical and strong compression extrusion force in an eccentric cavity, so that original auxiliary materials and ingredients are repeatedly changed in the states of compression extrusion and relaxed feeding. The equipment for extruding the wood-plastic product by using the wood-plastic product raw material with excellent plasticizing effect in the repeated continuous compression extrusion stirring by using a plurality of mixed, uncertain-weight, unseparated and unwashed garbage plastic bags, sawdust, rice hulls, straws, plant fibers and ingredients as main raw and auxiliary materials under the cooperation of heat energy of an external heating system.
2. An apparatus for extruding a wood-plastic product according to claim 1, wherein: the radial extrusion part is provided with a radial extrusion shaft in a radial extrusion container, the inner diameter of the radial extrusion container is larger than the outer diameter of the radial extrusion shaft, two ends of the radial extrusion shaft are provided with eccentric shaft sleeve supports for supporting the radial extrusion shaft, the eccentric shaft sleeve supports are fastened with two ends of the radial extrusion container, so that the outer diameter of the radial extrusion shaft is tangent to one side of the inner diameter of the radial extrusion container, and a rotating part with an eccentric cavity structure is formed.
3. An apparatus for radially extruding a wood-plastic article according to claim 1, wherein: the radial extrusion shaft is provided with a blade cavity groove or a blade groove hole structure which can respectively provide installation and reciprocating movement for the blades of the sheet structure and the blade rod structure.
4. An apparatus for radially extruding a wood-plastic article according to claim 1, wherein: the designed blades have various forms of sheet structures or sheet rod structures, one group of blades or a plurality of groups of blades form a crossed and uniform angle segmentation structure on the section of the radial extrusion shaft of the eccentric cavity, and the raw materials in the eccentric cavity are forced to perform the operation functions of compression, extrusion, stirring and conveying in the cavity segmented by the blades.
5. An apparatus for radially extruding a wood-plastic article according to claim 1, wherein: the radial extruding cylinder is provided with a feed inlet and a discharge outlet structure in the axial direction of the external circular symmetry, the discharge outlet of the radial extruding cylinder at the front end is connected with the die cavity of the die holder, and the large feed cavity of the radial extruding cylinder at the rear end is connected with the feed hopper to form a conveying channel for continuously compressing, extruding and stirring the raw and auxiliary materials and ingredients.
6. An apparatus for radially extruding a wood-plastic article according to claim 1, wherein: the outer circle of the radial extrusion part is also provided with a temperature detection hole and an air vent, the air vent is communicated with the inner diameter of the radial extrusion cylinder, and partial air is discharged at any time along with the original auxiliary materials and ingredients in the operation process of heating and plasticizing.
7. An apparatus for radially extruding a wood-plastic article according to claim 1, wherein: the radial extrusion cylinder can adopt a plate type or rod type resistance heater, an electromagnetic induction heater or a liquid medium heater in various heating devices, and the raw and auxiliary materials and ingredients are heated by heating the outer part of the radial extrusion cylinder.
8. An apparatus for radially extruding a wood-plastic article according to claim 1, wherein: can design has infrared preheating device, carries out infrared preheating in advance when feeding former auxiliary material to accelerate the softening of former auxiliary material and batching and accelerate the plastify.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648648.2A CN112208083A (en) | 2019-07-12 | 2019-07-12 | Equipment for radially extruding wood-plastic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648648.2A CN112208083A (en) | 2019-07-12 | 2019-07-12 | Equipment for radially extruding wood-plastic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112208083A true CN112208083A (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910648648.2A Pending CN112208083A (en) | 2019-07-12 | 2019-07-12 | Equipment for radially extruding wood-plastic product |
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| CN (1) | CN112208083A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1122272A (en) * | 1994-02-10 | 1996-05-15 | 艾因工程技术股份有限公司 | Synthetic wood meal, method and apparatus for manufacturing the sane, synthetic wood board including the synthetic wood meal, method and apparatus of extrusion molding therefor |
| CN1242287A (en) * | 1998-07-20 | 2000-01-26 | 方祖彭 | Planetary dynamic rolling support combined screw for plastic extruder |
| CN102834232A (en) * | 2010-03-24 | 2012-12-19 | 约瑟夫·布拉赫 | extruder |
| CN206406427U (en) * | 2016-12-29 | 2017-08-15 | 东莞市海塑实业有限公司 | A kind of blade extruder |
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2019
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