CN108908787A - A kind of wood plastic particles material extrusion molding system - Google Patents
A kind of wood plastic particles material extrusion molding system Download PDFInfo
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- CN108908787A CN108908787A CN201811059382.XA CN201811059382A CN108908787A CN 108908787 A CN108908787 A CN 108908787A CN 201811059382 A CN201811059382 A CN 201811059382A CN 108908787 A CN108908787 A CN 108908787A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of wood plastic particles material extrusion molding systems, including hybrid system, drying system, extrusion system, dust pelletizing system, vacuum system；Wherein extrusion system includes meter hopper, double screw extruder, heater, model former；Double screw extruder includes casing, feed inlet, discharge port, vacuum port, double helix conveying lever is equipped in casing, screw rod is divided into feeding section, homogenizing zone, melt zone, extruding zone, feeding section, the double thread structure that homogenizing zone is non-equivalent gullet depth, melt zone, the double thread structure that extruding zone is equivalent gullet depth；The width of screw thread is successively reduced by feeding section to extruding zone.The present invention carries out special drying and processing to wood powder, forms feed particles, and the feed particles after drying can directly carry out extrusion processing, the moisture in raw material is reduced, reduces the dust for squeezing out workshop, avoids dust polluting environment, raw material has also effectively been saved, the loss of raw material is reduced；Effective solution squeezes out the dust problem in workshop.
Description
Technical field
The present invention relates to wood moulding production system, specially a kind of wood plastic particles material extrusion molding system.
Background technique
Wood moulding, i.e. wood plastic composite (Wood- Plastic Composites, WPC) are in recent years flourishing emerging both at home and abroad
A kind of advanced composite material (ACM) risen, refers to using polyethylene, polypropylene and polyvinyl chloride etc., instead of common resin adhesive, with
Be mixed into new wood materials more than the useless plant fiber such as the wood powder of 35%-70% or more, rice husk, stalk, then through extruding, molding,
The plastic processings such as injection molding, the plate or profile produced.It is mainly used for the industries such as building materials, furniture, logistics packaging.It will
Plate through hot extrusion molding after plastics and wooden powder are mixed in a certain ratio, referred to as extruding wood-plastic composite panel.
The wood powder used in wood moulding is that the crushing of all kinds of timber forms wood powder or various plant fibers, such as fir powder, pine
Powder, bamboo powder, straw powder etc., the partial size of the various wood powders of major requirement is generally in 20~100 mesh, it is ensured that wood powder and plastics are mixing
Preceding carry out drying and processing.General wood powder water content should control within 3%.Electric heating can be used in drying equipment, it is also possible to microwave
Heating, drying or natural drying.Wood powder after drying, which should be stored, is dry place (interior), can not the secondary moisture absorption, otherwise can be right
Processing is affected.
Extrusion molding system in the prior art has the following problems：1, existing extrusion system is using wood powder as former
Material be easy to cause workshop dust content high, pollutes environment, while dust is easily accessible the inside of extruder, causes to squeeze
Machine equipment is impaired out, needs periodically to remove dust, not only increases maintenance cost, while reducing working efficiency；2, existing
The bubbling efficiency of Twin screw extruder is low, and degree of plasticification is difficult to control, and the booting period is long, and extruder is difficult to effectively match with mold
It closes；3, existing extrusion molding system, working efficiency is low, and it is poor to squeeze out effect.
Summary of the invention
To solve the above problems, the invention discloses wood plastic particles material extrusion molding system and its wood moulding preparation methods.
In order to reach the goals above, the present invention provides the following technical solutions：
A kind of wood plastic particles material extrusion molding system, including hybrid system, drying system, extrusion system, dust pelletizing system, vacuum
System；The mixing system includes mixing machine, blender, and blender is equipped in the mixing machine, and the drying system includes drying
Case, baker, the drying box is interior to be equipped with screw conveyor, and the extrusion system includes meter hopper, double screw extruder, heating
Device, model former, the meter hopper are located at the feed inlet upper end of double screw extruder, and the outer wall connection of the double screw extruder adds
The discharge port of hot device, the double screw extruder connects model former；The dust pelletizing system includes dedusting fan, air hose；It is described double
Screw extruder includes casing, feed inlet, discharge port, vacuum port, and the casing side is equipped with feed inlet, and the other side is equipped with discharging
Mouthful, the casing is additionally provided with vacuum port, be equipped with double helix conveying lever in the casing, the screw rod be divided into feeding section, homogenizing zone,
Melt zone, extruding zone, the feeding section, homogenizing zone be non-equivalent gullet depth double thread structure, the melt zone, extruding zone be etc. slots
Deep double thread structure；The width of the screw thread is successively reduced by feeding section to extruding zone；The casing of the homogenizing zone, melt zone
It is equipped with heating gate, the heating gate connects heater；The vacuum port connects vacuum system；The vacuum system includes vacuum
Room, vacuum pump, vacuum pipe；The vacuum chamber connects vacuum port by vacuum pipe, and the vacuum chamber connects vacuum pump；It is described
The discharge port of mixing machine connects drying system, and the discharge port of the drying box connects aggregate bin, and the drying box is also connected with simultaneously
Dust pelletizing system.
Further, the heating gate is spiral heating mouth, and the corner cut of the spiral heating mouth and casing is 15-30 °.
Further, the feed inlet is horn-type feed port.
Further, the heater is the one of which of electric heater, storage heater.
Further, the mixing machine is cone-type mixer, and the diameter of the mixing machine from top to bottom successively reduces, described
Mixing machine is equipped with import, outlet, and the top of mixing machine, the outlet setting of the mixing machine is arranged in the import of the mixing machine
In the lower part of mixing machine.
The invention has the advantages that：
（1）Special drying and processing is carried out to wood powder, drying granulation forms feed particles, and the feed particles after drying can be direct
Extrusion processing is carried out, the moisture in raw material is not only reduced, but also be effectively reduced the dust for squeezing out workshop, avoids dust pollution
Environment has also effectively saved raw material, reduces the loss of raw material；Effective solution squeezes out the dust problem in workshop；
（2）It is squeezed out using Twin screw extruder, speed is fast, and effect is good, effective to be cooled and shaped；Twin-screw design and the prior art
It compares, the depth and width of screw thread are improved, and are suitble to the mixing of pellet material, are pushed；
（3）Extruder will not periodically remove dust, not only reduce maintenance cost, improve work efficiency simultaneously；
（4）It is effective to improve raw material uniformity, the stability of quality and color.
Detailed description of the invention
The structural schematic diagram of Fig. 1, wood plastic particles material extrusion molding system of the invention.
Wherein：Hybrid system 100, mixing machine 101, blender 102, drying system 200, drying box 201, baker 202,
Screw conveyor 203, extrusion system 300, meter hopper 301, double screw extruder 302, casing 3021, feed inlet 3022, discharging
Mouth 3023, double helix conveying lever 3025, feeding section 251, homogenizing zone 252, melt zone 253, extruding zone 254, adds vacuum port 3024
Hot device 303, model former 304, dust pelletizing system 400, dedusting fan 401, air hose 402, vacuum system 500, vacuum chamber 501, vacuum
Pump 502, vacuum pipe 503.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.
Embodiment 1
A kind of wood plastic particles material extrusion molding system as shown in Figure 1, including hybrid system 100, drying system 200, extrusion
System 300, dust pelletizing system 400, vacuum system 500；Mixing system includes mixing machine 101, blender 102, is equipped with and stirs in mixing machine
Device is mixed, drying system includes drying box 201, baker 202, screw conveyor 203 is equipped in drying box, extrusion system includes meter
Hopper 301, double screw extruder 302, heater 303, model former 304, meter hopper are located on the feed inlet of double screw extruder
End, the outer wall of double screw extruder connect heater, and the discharge port of double screw extruder connects model former；Dust pelletizing system includes removing
Dirt blower 401, air hose 402, double screw extruder include casing 3021, feed inlet 3022, discharge port 3023, vacuum port 3024,
Casing side is equipped with feed inlet, and the other side is equipped with discharge port, and casing is additionally provided with vacuum port, is equipped with double helix conveying lever in casing
3025, screw rod is divided into feeding section 251, homogenizing zone 252, melt zone 253, extruding zone 254, and feeding section, homogenizing zone are non-equivalent gullet depth
Double thread structure, melt zone, extruding zone be equivalent gullet depth double thread structure；The width of the screw thread of double helix conveying lever is by feeding
Section is successively reduced to extruding zone；Homogenizing zone, melt zone casing be equipped with heating gate 3026, heating gate connect heater 303；Very
It eats dishes without rice or wine to connect vacuum system；Vacuum system includes vacuum chamber 501, vacuum pump 502, vacuum pipe 503；Vacuum chamber passes through vacuum tube
Road connects vacuum port, and vacuum chamber connects vacuum pump；The discharge port of mixing machine connects drying system, and the discharge port of drying box connects collection
Hopper, drying box are also connected with dust pelletizing system simultaneously.
In the present embodiment, heating gate is spiral heating mouth, and the corner cut of spiral heating mouth and casing is 15-30 °.
In the present embodiment, feed inlet is horn-type feed port.
In the present embodiment, heater is the one of which of electric heater, storage heater.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (5)
1. a kind of wood plastic particles material extrusion molding system, it is characterised in that：Including hybrid system, drying system, extrusion system,
Dust pelletizing system, vacuum system；The mixing system includes mixing machine, blender, is equipped with blender, the drying in the mixing machine
System includes drying box, baker, and screw conveyor is equipped in the drying box, and the extrusion system includes meter hopper, double spiral shells
Bar extruder, heater, model former, the meter hopper are located at the feed inlet upper end of double screw extruder, the twin-screw extrusion
The outer wall of machine connects heater, and the discharge port of the double screw extruder connects model former；The dust pelletizing system includes dedusting wind
Machine, air hose；The double screw extruder includes casing, feed inlet, discharge port, vacuum port, and the casing side is equipped with feed inlet,
The other side is equipped with discharge port, and the casing is additionally provided with vacuum port, is equipped with double helix conveying lever in the casing, the screw rod is divided into
Feeding section, homogenizing zone, melt zone, extruding zone, the feeding section, the double thread structure that homogenizing zone is non-equivalent gullet depth, the melting
Section, the double thread structure that extruding zone is equivalent gullet depth；The width of the screw thread is successively reduced by feeding section to extruding zone；The homogenizing
Section, melt zone casing be equipped with heating gate, the heating gate connects heater；The vacuum port connects vacuum system；It is described
Vacuum system includes vacuum chamber, vacuum pump, vacuum pipe；The vacuum chamber connects vacuum port, the vacuum by vacuum pipe
Room connects vacuum pump；The discharge port of the mixing machine connects drying system, and the discharge port of the drying box connects aggregate bin, described
Drying box is also connected with dust pelletizing system simultaneously.
2. a kind of wood plastic particles material extrusion molding system as described in claim 1, it is characterised in that：The heating gate is spiral shell
The corner cut of rotation heating gate, the spiral heating mouth and casing is 15-30 °.
3. a kind of wood plastic particles material extrusion molding system as described in claim 1, it is characterised in that：The feed inlet is loudspeaker
Type feed inlet.
4. a kind of wood plastic particles material extrusion molding system as described in claim 1, it is characterised in that：The heater is electricity
The one of which of heater, storage heater.
5. a kind of wood plastic particles material extrusion molding system as described in claim 1, it is characterised in that：The mixing machine is cone
Shape mixing machine, the diameter of the mixing machine from top to bottom successively reduce, and the mixing machine is equipped with import, outlet, the mixing
The top of mixing machine is arranged in the import of machine, and the lower part of mixing machine is arranged in the outlet of the mixing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059382.XA CN108908787A (en) | 2018-09-12 | 2018-09-12 | A kind of wood plastic particles material extrusion molding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059382.XA CN108908787A (en) | 2018-09-12 | 2018-09-12 | A kind of wood plastic particles material extrusion molding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108908787A true CN108908787A (en) | 2018-11-30 |
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ID=64407891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811059382.XA Pending CN108908787A (en) | 2018-09-12 | 2018-09-12 | A kind of wood plastic particles material extrusion molding system |
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| CN (1) | CN108908787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118124192A (en) * | 2024-04-30 | 2024-06-04 | 淄博齐茂催化剂有限公司 | Strip extrusion device for residual oil hydrogenation catalyst production |
-
2018
- 2018-09-12 CN CN201811059382.XA patent/CN108908787A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118124192A (en) * | 2024-04-30 | 2024-06-04 | 淄博齐茂催化剂有限公司 | Strip extrusion device for residual oil hydrogenation catalyst production |
| CN118124192B (en) * | 2024-04-30 | 2024-08-16 | 淄博齐茂催化剂有限公司 | Strip extrusion device for residual oil hydrogenation catalyst production |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181130 |