CN104228030A - Wood-plastic extruding system - Google Patents
Wood-plastic extruding system Download PDFInfo
- Publication number
- CN104228030A CN104228030A CN201410478678.0A CN201410478678A CN104228030A CN 104228030 A CN104228030 A CN 104228030A CN 201410478678 A CN201410478678 A CN 201410478678A CN 104228030 A CN104228030 A CN 104228030A
- Authority
- CN
- China
- Prior art keywords
- machine barrel
- wood
- extrusion system
- hopper
- pressing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- B29C48/25—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
- B29C48/68—Barrels or cylinders
-
- 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
- B29C48/298—Feeding the extrusion material to the extruder in a location other than through a barrel, e.g. through a screw
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a wood-plastic extruding system which comprises an operating board and a machine barrel arranged on the operating board, wherein the machine barrel is connected with a vacuum pump and provided with a pressing device for preventing a material from entering the vacuum pump; and a forced feeding device is connected to a feed port of the machine barrel. The wood-plastic extruding system has the benefits as follows: the wood-plastic extruding system is applicable to various extruders; the forced feeding device pre-compresses the material before the material enters a extruder screw, the material compactness, namely, the material stacking density, is increased, the weight of the same volume of materials is increased by 1.5-2 times, the material is sufficiently sheared and plasticized after entering a plasticizing section, the yield is improved by 1.5-2 times, and the economic benefit is remarkable; and meanwhile, the timing automatic pneumatic pressing device is used for timing pressing, the material is timely pressed back to the machine barrel, defects of bubbling, cracking and the like of the product due to the fact that the material enters the vacuum pump and causes poor vapor discharge are overcome, and non-stop automatic clearing function is achieved.
Description
Technical field
The present invention relates to a kind of wood and mould extrusion system, belong to technical field of mechanical equipment.
Background technology
In prior art, main use conical double screw extruder produces Wood-plastic material, the production capacity of an average equipment is less than 3 tons/day, mainly due to wood, to mould pellet bulk density little, enter even if saturated in extruder screw, after entering spiro rod plasticizing section, material is in starvation, thus production efficiency is low, plasticizing effect is poor.And existing vavuum pump exists a shortcoming, and material is easily drawn in vavuum pump, causing steam to be vented not smooth, there is the flaw such as bubbling, cracking in product.Need operator's closed-down manual to clear up material, reduce production efficiency.In view of the foregoing, in the urgent need to providing a kind of production capacity that improves to ensure that product quality is without the need to shutting down the device of cleaning material simultaneously.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of effective raising production capacity, guaranteeing that extrusion system moulded by the wood of product quality.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
Extrusion system moulded by a kind of wood, and comprise operating desk and be located at the machine barrel on operating desk, described machine barrel is connected with a vavuum pump, machine barrel installed one and prevents material from entering the material pressing device of vavuum pump; The charging aperture place of described machine barrel connects a forced-feeding device, described forced-feeding device comprises: the hopper be connected with charging aperture, be installed on the inner and feed screw driven by a feeding motor of hopper, described hopper top arranges a cover plate and cover plate is formed with feeding mouth, described feed screw is being formed with protruding screw thread near the bottom of charging aperture, and the top of described feed screw is smooth surface and one-body moldedly has multiple nose bar for preventing material from building bridge.
Aforementioned material pressing device comprises: vacuum meter and binder portion, described binder portion comprises compressing rod and cylinder, described vavuum pump is connected by a vacuum tube with between machine barrel, the rebound that one is parallel to the connecting plate at machine barrel top is provided with in machine barrel, the junction of vacuum tube and machine barrel is positioned at rebound side, and described rebound and connecting plate are all formed with the through hole passed for compressing rod.
Be divided at least four subregions by feedstock direction in aforementioned machine barrel, described material pressing device and vavuum pump are all arranged at the second subregion.
In addition, extrusion system of the present invention also comprises an elevating mechanism for driving forced-feeding device to be elevated.
Particularly, aforementioned elevating mechanism comprises: be fixed on the mount pad on operating desk, the lifting motor be fixedly connected with mount pad, the lifter plate that driven by lifting motor, described lifter plate is fixedly connected with hopper.
Aforementioned lifting motor connects a screw mandrel and moves to drive lifter plate.
Preferably, realize removably connecting by a removable pin between aforementioned hopper and charging aperture.
Usefulness of the present invention is: wood of the present invention is moulded extrusion system and is applicable to all kinds of extruder, this forced-feeding device makes material precommpression before entering extruder screw, increase the packing of charging, i.e. solid accumulation density, make same volume weight of material increase 1.5-2 doubly, after material enters fluxing zone, fully shear plasticizing, improve production capacity 1.5-2 doubly, remarkable in economical benefits; Meanwhile, utilize the timing of timing automatic Pneumatic material pressing device to press down, pushed back in time in machine barrel by material, prevent material from entering in vavuum pump and cause steam to be vented freely, there is the flaw such as bubbling, cracking in product, realizes not shutting down Automatic clearance function.
Accompanying drawing explanation
Fig. 1 is the structural representation that a preferred embodiment of extrusion system moulded by a kind of wood of the present invention;
Fig. 2 is the partial structurtes schematic diagram of the material pressing device in Fig. 1.
The implication of Reference numeral in figure: 1, operating desk, 2, machine barrel, 21, connecting plate, 22, machine barrel second district, 23, charging aperture, 3, vavuum pump, 4, vacuum tube, 5, rebound, 6, material pressing device, 61, vacuum meter, 62, binder portion, 621, cylinder, 622, compressing rod, 7, hopper, 8, feed screw, 81, nose bar, 9, feeding motor, 10, cover plate, 101, feeding mouth, 11, mount pad, 12, lifting motor, 13, lifter plate, 14, screw mandrel.
Detailed description of the invention
Below in conjunction with specific embodiment, concrete introduction is done to the present invention.
Fig. 1 is the structural representation that a preferred embodiment of extrusion system moulded by a kind of wood of the present invention; Fig. 2 is the partial structurtes schematic diagram of the material pressing device 6 in Fig. 1, displaying be side, sectional structure from material pressing device 6.
See Fig. 1, extrusion system moulded by wood of the present invention, the machine barrel 2 comprising operating desk 1 and be located on operating desk 1, machine barrel 2 is connected to realize vacuumizing and exhausting by vacuum tube 4 with a vavuum pump 3, enter vavuum pump 3 to effectively prevent material and affect product quality, in machine barrel 2, be provided with the rebound 5 that is parallel to the connecting plate 21 at machine barrel top, vacuum tube 4 is positioned at rebound 5 side with the junction of machine barrel 2.Further, machine barrel 2 is also installed a material pressing device 6, particularly, as shown in Figure 2, material pressing device 6 comprises: vacuum meter 61 and binder portion 62, wherein binder portion 62 comprises cylinder 621 and compressing rod 622, rebound 5 and connecting plate 21 are all formed with the through hole passed for compressing rod 622, rebound 5 is connected by screw with connecting plate 21, thus fixing material pressing device 6, compressing rod 622 timing presses down, in time the material picked up by vavuum pump 3 is pressed in machine barrel 2, without the need to labor cleaning, it should be noted that, timing presses down can by manually realizing, in industrial circle, realize preferably by cylinder matching program, this is easy to expect, do not repeat herein.Preferably, as shown in Figure 1, in machine barrel 2, be divided at least four subregions by feedstock direction, material pressing device 6 and vavuum pump 3 are all arranged at machine barrel second district 22.
In order to effectively improve production capacity and charging rate, a forced-feeding device is connected at charging aperture 23 place of machine barrel 2, as shown in Figure 1, forced-feeding device comprises: the hopper 7 be connected with charging aperture 23, be installed on the inner and feed screw 8 driven by a feeding motor 9 of hopper 7, feed screw 8 is formed with protruding screw thread to be disperseed by material action of forced stirring thus to enter charging aperture 23 smoothly in the bottom near charging aperture 23, the top of feed screw 8 is smooth surface and one-body moldedly has nose bar 81 to prevent material frame bridge, thus guarantees smooth charging.It should be noted that, so-called in the present invention " material bridge formation " is the class phenomenon in powder material course of conveying, and generally, the material namely does not go down, and material below walks sky, now must apply external force, just can eliminate this phenomenon.Actual production process proves, after have employed this forced-feeding device, average daily output is promoted to 5-6 ton from original lower than 3 tons, and economic benefit is very remarkable.
In addition, because material is powder, so arrange a cover plate 10 at hopper 7 top and cover plate 10 is formed with feeding mouth 101, thus materials from spattering is prevented.
Further improve as the present invention, conveniently change the extrusion screw rod of machine barrel 2 inside, extrusion system of the present invention also comprises an elevating mechanism for driving forced-feeding device to be elevated.Particularly, elevating mechanism comprises: be fixed on the mount pad 11 on operating desk 1, the lifting motor 12 be fixedly connected with mount pad 11, the lifter plate 13 that driven by lifting motor 12, it is readily understood that lifter plate 13 is fixedly connected with hopper 7.When needing the driving screw changing extruder, drive lifter plate 13 by lifting motor 12 thus drive forced-feeding device to rise, depart from the charging aperture 23 of machine barrel 2, after screw rod is changed, drive screw mandrel 14 by drive motors again, thus drive forced-feeding device to drop to charging aperture 23 place of machine barrel 2, in fill process, realize being connected by a removable pin (not shown) between hopper 7 with charging aperture 23, convenient disassembly.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (6)
1. an extrusion system moulded by wood, and comprise operating desk and be located at the machine barrel on operating desk, it is characterized in that, described machine barrel is connected with a vavuum pump, machine barrel installed one and prevents material from entering the material pressing device of vavuum pump; The charging aperture place of described machine barrel connects a forced-feeding device, described forced-feeding device comprises: the hopper be connected with charging aperture, be installed on the inner and feed screw driven by a feeding motor of hopper, described hopper top arranges a cover plate and cover plate is formed with feeding mouth, described feed screw is being formed with protruding screw thread near the bottom of charging aperture, and the top of described feed screw is smooth surface and one-body moldedly has multiple nose bar for preventing material from building bridge.
2. extrusion system moulded by a kind of wood according to claim 1, it is characterized in that, described material pressing device comprises: vacuum meter and binder portion, described binder portion comprises compressing rod and cylinder, described vavuum pump is connected by a vacuum tube with between machine barrel, be provided with the rebound that is parallel to the connecting plate at machine barrel top in machine barrel, the junction of vacuum tube and machine barrel is positioned at rebound side, and described rebound and connecting plate are all formed with the through hole passed for compressing rod.
3. extrusion system moulded by a kind of wood according to claim 1, it is characterized in that, be divided at least four subregions by feedstock direction in described machine barrel, described material pressing device and vavuum pump are all arranged at the second subregion.
4. extrusion system moulded by the one wood according to any one of claim 1-3, it is characterized in that, also comprises an elevating mechanism for driving forced-feeding device to be elevated.
5. extrusion system moulded by a kind of wood according to claim 4, it is characterized in that, described elevating mechanism comprises: be fixed on the mount pad on operating desk, the lifting motor be fixedly connected with mount pad, the lifter plate that driven by lifting motor, described lifter plate is fixedly connected with hopper.
6. extrusion system moulded by a kind of wood according to claim 5, it is characterized in that, described lifting motor connects a screw mandrel and moves to drive lifter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410478678.0A CN104228030A (en) | 2014-09-19 | 2014-09-19 | Wood-plastic extruding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410478678.0A CN104228030A (en) | 2014-09-19 | 2014-09-19 | Wood-plastic extruding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104228030A true CN104228030A (en) | 2014-12-24 |
Family
ID=52217352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410478678.0A Pending CN104228030A (en) | 2014-09-19 | 2014-09-19 | Wood-plastic extruding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104228030A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2763016Y (en) * | 2004-08-13 | 2006-03-08 | 于有国 | Single-step, same-direction, parallel, double screw-rod and two-stage type equipment for producing plastic/wood compound material |
| CN202174725U (en) * | 2011-08-15 | 2012-03-28 | 芜湖纽麦特新材料有限公司 | Plastic extruding machine |
| JP5009876B2 (en) * | 2008-08-22 | 2012-08-22 | 株式会社日本製鋼所 | Manufacturing method of fibrous filler-containing resin composite material |
| CN202540687U (en) * | 2012-04-16 | 2012-11-21 | 天津奇澳科技发展有限公司 | Special tapered double-screw extruder for wood-plastic composite material |
| CN103950173A (en) * | 2014-04-03 | 2014-07-30 | 于德胜 | Tapered metering compression feeder |
| CN204076760U (en) * | 2014-09-19 | 2015-01-07 | 江苏旭华圣洛迪建材有限公司 | Extrusion system moulded by a kind of wood |
-
2014
- 2014-09-19 CN CN201410478678.0A patent/CN104228030A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2763016Y (en) * | 2004-08-13 | 2006-03-08 | 于有国 | Single-step, same-direction, parallel, double screw-rod and two-stage type equipment for producing plastic/wood compound material |
| JP5009876B2 (en) * | 2008-08-22 | 2012-08-22 | 株式会社日本製鋼所 | Manufacturing method of fibrous filler-containing resin composite material |
| CN202174725U (en) * | 2011-08-15 | 2012-03-28 | 芜湖纽麦特新材料有限公司 | Plastic extruding machine |
| CN202540687U (en) * | 2012-04-16 | 2012-11-21 | 天津奇澳科技发展有限公司 | Special tapered double-screw extruder for wood-plastic composite material |
| CN103950173A (en) * | 2014-04-03 | 2014-07-30 | 于德胜 | Tapered metering compression feeder |
| CN204076760U (en) * | 2014-09-19 | 2015-01-07 | 江苏旭华圣洛迪建材有限公司 | Extrusion system moulded by a kind of wood |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20141224 |