CN207256838U - A kind of screw extrusion apparatus for being used to mould wood production - Google Patents
A kind of screw extrusion apparatus for being used to mould wood production Download PDFInfo
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- CN207256838U CN207256838U CN201721267923.9U CN201721267923U CN207256838U CN 207256838 U CN207256838 U CN 207256838U CN 201721267923 U CN201721267923 U CN 201721267923U CN 207256838 U CN207256838 U CN 207256838U
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- preheating
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Abstract
The utility model discloses a kind of screw extrusion apparatus for being used to mould wood production, including head, head connection barrel, barrel is interior to be equipped with screw rod, and one end of screw rod stretches out barrel and is connected with motor；Barrel is made of the feeding section, preheating section, hot melt section and homogeneous section being sequentially connected, and homogeneous section of connection head, hot melt section footpath convex exceedes preheating section and homogeneous section；Screw rod includes stud and spiral bar, and spiral bar includes the inner wall of the Wave-shaped helical muscle in hot melt section, inner wall of the Wave-shaped helical muscle radial direction outer more than homogeneous section and preheating section；Stud in homogeneous section and preheating section is equipped with some concave surfaces, is equipped with ball in concave surface, stud connects homogeneous section and preheating section by ball respectively.For the utility model while possessing quick plasticating capacity, the product also with extrusion will not turn to be yellow that coking, high mechanical properties, and length are short, take that construction site is few, long lifespan, products obtained therefrom comprehensive mechanical property are good.
Description
Technical field
The utility model belongs to the wooden processing equipment field of modeling, more particularly to a kind of Screw Extrusion dress for being used to mould wood production
Put.
Background technology
With the development of Polymer Processing industry, the modeling wood extruder as one of polymer main process apparatus is flown
Speed development, and be more and more widely used with its excellent processing performance.In the existing wooden extruder of modeling, raw material from
Into feeding cylinder at feed inlet, heat in barrel and after screw extruding and promotion, extruded at head；Raw material is pushed away by screw rod
Dynamic to be threadingly advanced, raw material melts by by barrel heating.In order to improve extruded velocity, the existing wooden extruder way of modeling is
It is exactly the thawing time for improving raw material in barrel to lengthen barrel and screw rod, purpose, and raw material melts after avoiding extruded velocity quickening
It is not thorough, still, the length of this wooden extruder of modeling is just very long, can occupy substantial amounts of construction site.In the market also occurred
The wooden extruder of some modelings accelerates the thawing of raw material by improving barrel heating-up temperature, but since high temperature is easily to modeling in modeling wood
The strand of material produces destruction, and the product extruded not only has a kind of coking phenomenon of jaundice, and mechanical property in color
On can also reduce.
Therefore, the existing modeling wood extruder for possessing quick plasticating capacity has device length length, can take a large amount of constructions
The shortcomings that place；Or have the shortcomings that extrusion product may coking, mechanical property it is low.
Utility model content
The purpose of this utility model is that, there is provided a kind of screw extrusion apparatus for being used to mould wood production.The utility model exists
While possessing quick plasticating capacity, the product also with extrusion will not turn to be yellow coking, high mechanical properties, and length
It is short, take that construction site is few, long lifespan, products obtained therefrom comprehensive mechanical property are good.
The technical solution of the utility model：A kind of screw extrusion apparatus for being used to mould wood production, including head, head connection
Barrel, barrel is interior to be equipped with screw rod, and one end of screw rod stretches out barrel and is simultaneously connected with motor；Barrel is by the feeding section, pre- that is sequentially connected
Hot arc, hot melt section and homogeneous section of composition, homogeneous section of connection head, hot melt section footpath convex exceed preheating section and homogeneous section；Screw rod
Including stud and spiral bar, spiral bar includes the Wave-shaped helical muscle in hot melt section, and Wave-shaped helical muscle radial direction outer exceedes
Homogeneous section of inner wall and the inner wall of preheating section；Stud in homogeneous section and preheating section is equipped with some concave surfaces, is set in concave surface
There is ball, stud connects homogeneous section and preheating section by ball respectively.The preheating section, hot melt section and homogeneous section with plus
Hot function.
In a kind of foregoing screw extrusion apparatus for moulding wood production, the inner wall of the hot melt section is equipped with helicla flute,
The hand of spiral of helicla flute and the hand of spiral of spiral bar are opposite.
Compared with prior art, the utility model adds raw material at feeding section；Raw material carries out low-temperature prewarming in preheating section,
Prepare to heat in next step, improve hot melt；Raw material high temperature hot melt plasticizing in hot melt section；The homogeneous section of raw material to plasticizing
Final step integration is carried out, make raw material maintains stable extrusion pressure before extrusion.Section is heated by overstriking so that hot melt
It is more that the raw material of hot melt is carried out at the same time in section, short hot melt section can be done with this；Can be in hot melt section by Wave-shaped helical muscle
Raw material play stirring action, same part material only understands short-time contact hot melt section inner wall under stirring, moulds in raw material
Material component will not be destroyed, and on this basis, can be improved hot melt section temperature, also just be improved the hot melt speed of raw material, also
Improve extruded velocity.Spiral bar drives raw material to be threadingly advanced, and ball drives raw material to be rotated around stud axis, both movement sides
To have differences cause raw material to be stirred, the bulky grain in raw material is ground by ball, the product comprehensive mechanical property of extrusion is more preferable；
Moreover, ball effectively reduces the friction between screw rod and barrel, be conducive to improve service life of a machine.By setting helicla flute to make
It is more preferable that the mixing effect of raw material in section must be heated, further improve extruded velocity.
Therefore, the utility model is while possessing quick plasticating capacity, also have extrusion product will not turn to be yellow coking,
The advantages of high mechanical properties, and length is short, takes that construction site is few, long lifespan, products obtained therefrom comprehensive mechanical property are good.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Mark in attached drawing for：1- heads, 2- screw rods, 3- motors, 4- feeding sections, 5- preheating sections, 6- hot melt sections, 7- are homogeneous
Section, 9- studs, 10- spiral bars, 11- Wave-shaped helical muscle, 15- helicla flutes, 16- concave surfaces, 17- balls.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment.A kind of screw extrusion apparatus for being used to mould wood production, as shown in Figure 1, including head 1,1 binder of head
Cylinder, barrel is interior to be equipped with screw rod 2, and one end of screw rod 2 stretches out barrel and is simultaneously connected with motor 3；Barrel by be sequentially connected feeding section 4,
Preheating section 5, hot melt section 6 and homogeneous section 7 composition, homogeneous section 7 connection head 1, hot melt section 6 footpath convex exceed preheating section 5 and even
Matter section 7；Screw rod 2 includes stud 9 and spiral bar 10, and spiral bar 10 includes the Wave-shaped helical muscle 11 in hot melt section 6, waveform
The inner wall of inner wall of the 11 radial direction outer of spiral bar more than homogeneous section 7 and preheating section 5；Stud in homogeneous section 7 and preheating section 5
9 are equipped with some concave surfaces 16, are equipped with ball 17 in concave surface 16, stud 9 connects homogeneous section 7 and preheating section 5 respectively by ball 17.
The inner wall of the hot melt section 6 is equipped with helicla flute 15, the hand of spiral of helicla flute 15 and the spiral side of spiral bar 10
To opposite.
Operation principle：Screw rod 2 is rotated by gear set under the driving of motor 3, drives raw material to be passed sequentially through from feeding section 4
Preheating section 5, hot melt section 6 and homogeneous section 7, finally come out at head 1, can install corresponding extrusion die on head 1 according to demand
Tool.
The utility model adds raw material at feeding section；Raw material carries out low-temperature prewarming in preheating section, is done for hot melt in next step
Prepare, improve hot melt；Raw material high temperature hot melt plasticizing in hot melt section；It is whole that the homogeneous section of raw material to plasticizing carries out final step
Close, make raw material maintains stable extrusion pressure before extrusion.Section is heated by overstriking so that be carried out at the same time heat in hot melt section
Molten raw material is more, and short hot melt section can be done with this；Stirring can be played to the raw material in hot melt section by Wave-shaped helical muscle
Act on, same part material only understands short-time contact hot melt section inner wall under stirring, and plastic components will not be broken in raw material
It is bad, on this basis, hot melt section temperature can be improved, the hot melt speed of raw material is also just improved, also just improves extruded velocity.
Spiral bar drives raw material to be threadingly advanced, and ball drives raw material to be rotated around stud axis, both direction of motion, which has differences, to be caused
Raw material is stirred, the bulky grain in raw material is ground by ball, and the product comprehensive mechanical property of extrusion is more preferable；Moreover, ball is effective
The friction reduced between screw rod and barrel, be conducive to improve service life of a machine.It is former in section by setting helicla flute to heat
The mixing effect of material is more preferable, further improves extruded velocity.
Therefore, the utility model is while possessing quick plasticating capacity, also have extrusion product will not turn to be yellow coking,
The advantages of high mechanical properties, and length is short, takes that construction site is few, long lifespan, products obtained therefrom comprehensive mechanical property are good.
Claims (2)
- A kind of 1. screw extrusion apparatus for being used to mould wood production, it is characterised in that：Including head (1), head (1) connects barrel, Screw rod (2) is equipped with barrel, one end of screw rod (2) stretches out barrel and is connected with motor (3)；Barrel is by the feeding section that is sequentially connected (4), preheating section (5), hot melt section (6) and homogeneous section (7) composition, homogeneous section (7) connection head (1), heats section (6) footpath convex More than preheating section (5) and homogeneous section (7)；Screw rod (2) includes stud (9) and spiral bar (10), and spiral bar (10) is included positioned at heat The interior Wave-shaped helical muscle (11) of molten section (6), Wave-shaped helical muscle (11) radial direction outer exceed the inner wall and preheating section of homogeneous section (7) (5) inner wall；Stud (9) in homogeneous section (7) and preheating section (5) is equipped with some concave surfaces (16), is set in concave surface (16) There is ball (17), stud (9) connects homogeneous section (7) and preheating section (5) respectively by ball (17).
- 2. it is according to claim 1 it is a kind of be used for mould wood production screw extrusion apparatus, it is described hot melt section (6) inner wall on Equipped with helicla flute (15), the hand of spiral of helicla flute (15) and the hand of spiral of spiral bar (10) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267923.9U CN207256838U (en) | 2017-09-29 | 2017-09-29 | A kind of screw extrusion apparatus for being used to mould wood production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267923.9U CN207256838U (en) | 2017-09-29 | 2017-09-29 | A kind of screw extrusion apparatus for being used to mould wood production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207256838U true CN207256838U (en) | 2018-04-20 |
Family
ID=61918327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721267923.9U Active CN207256838U (en) | 2017-09-29 | 2017-09-29 | A kind of screw extrusion apparatus for being used to mould wood production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207256838U (en) |
-
2017
- 2017-09-29 CN CN201721267923.9U patent/CN207256838U/en active Active
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