CN205767392U - A kind of screw extruder with two discharge holes - Google Patents
A kind of screw extruder with two discharge holes Download PDFInfo
- Publication number
- CN205767392U CN205767392U CN201620545649.6U CN201620545649U CN205767392U CN 205767392 U CN205767392 U CN 205767392U CN 201620545649 U CN201620545649 U CN 201620545649U CN 205767392 U CN205767392 U CN 205767392U
- Authority
- CN
- China
- Prior art keywords
- extruder
- charging aperture
- single screw
- threaded portion
- spiral shell
- 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.)
- Expired - Fee Related
Links
Abstract
This utility model provides a kind of screw extruder with two discharge holes, and the screw extruder of described two discharge holes includes: first stage extruder: comprising: the casing of first stage extruder；First charging aperture；First discharging opening；First double thread bar；Second stage extruder: comprising: the casing of second stage extruder；Second charging aperture；Second discharging opening；Second single screw；Pillar buoy.
Description
Technical field
This utility model relates to a kind of screw extruder, especially, relates to a kind of screw extruder with two discharge holes,
In particular it relates to B29B9.
Background technology
Extruder is widely used in the filling of macromolecular material, the increasings such as general-purpose plastics, engineering plastics, thermoplastic rubber
By force, the blending and modifying such as toughness reinforcing, and the manufacture field such as special fibre, special adhesive.Conventional twin-screw extrusion machine equipment has
Taper counter rotation twin screw extruder, parallel counter rotation twin screw extruder, parallel equidirectional two-screw are extruded.In prior art, taper is different
Be mainly used in the molding extrusion of PVC with parallel counter rotation twin screw extruder to double screw extruder, it can produce higher spiral shell
Bar back pressure, has stronger material conveying capacity and screw rod propulsion capability, has preferable mixing shear effect.
Simultaneously rubber, plastic extrusion practical operation in, some demands objectively often occur, such as, some
Additive adds after needing；When needing to carry out cross-linking reaction, chain extending reaction, tend not to reach to cross-link completely.
For the problems referred to above, this utility model provides a kind of screw extruder with two discharge holes and double charging aperture, carries
The mixing time of high material, process the time, meet actually used in some demands.
Utility model content
For the problems referred to above, this utility model provides a kind of screw extruder with two discharge holes, described two discharge holes
Screw extruder include:
First stage extruder: comprising: the casing of first stage extruder；First charging aperture；First discharging opening；First
Double thread bar；
Second stage extruder: comprising: the casing of second stage extruder；Second charging aperture；Second discharging opening；Second
Single screw；Pillar buoy；
The fineness ratio of described first stage extruder is 1:(30-38)；
Described first double thread bar to the direction of the first discharging opening, is divided into 7 threaded portions, and each spiral shell from the first charging aperture
Stricture of vagina portion is equally spaced, and the spiral shell spacing between different threaded portions is different, and spiral shell spacing ratio is (3-5): (0.9-1.1): (1.8-
2.2): (1.3-1.8): (1.7-2.1): (1.6-2.0): (2.3-2.7)；
The fineness ratio of described second stage extruder is 1:(50-70)；
Described second single screw is from the second charging aperture to the direction of the second discharging opening, and the diameter of single screw gradually increases
Greatly, the single screw diameter of the second discharge outlet is 1.2-1.7 times of the single screw diameter at the second charging aperture；
Described second single screw to the direction of the second discharging opening, is divided into 3 threaded portions, and each spiral shell from the second charging aperture
Stricture of vagina portion is equally spaced, and the spiral shell spacing between different threaded portions is different, and spiral shell spacing ratio is (1-3): (2-5): 2.5；
Pillar buoy, and described cylindricality it is coaxially arranged with between described second single screw and the casing of second stage extruder
Single screw diameter at cylinder and the second charging aperture ratio is (1.5-2.5): 1；And described pillar buoy rotates at the second single screw
Time, do on-circular motion.
As a kind of embodiment of the present utility model, the processing temperature major control of first stage extruder is at 180-
250℃；
As a kind of embodiment of the present utility model, the processing temperature major control of first stage extruder is at 170-
240℃。
As a kind of embodiment of the present utility model, the fineness ratio of described first stage extruder is 1:35.
As a kind of embodiment of the present utility model, the fineness ratio of described second stage extruder is 1:63.
As a kind of embodiment of the present utility model, described first double thread bar from the first charging aperture to the first discharging opening
Direction, be divided into 7 threaded portions, the spiral shell spacing ratio of each threaded portion is 3.2:1.05:1.92:1.53:1.9:1.8:2.4.
As a kind of embodiment of the present utility model, described second single screw from the second charging aperture to the second discharging opening
Direction, be divided into 3 threaded portions, the spiral shell spacing ratio of each threaded portion is 2.1:3.5:2.5.
As a kind of embodiment of the present utility model, the single screw diameter of described second discharge outlet is the second charging
1.6 times of single screw diameter at Kou.
As a kind of embodiment of the present utility model, the single screw diameter ratio at described pillar buoy and the second charging aperture
For (1.8-2.3): 1.
As a kind of embodiment of the present utility model, the single screw diameter ratio at described pillar buoy and the second charging aperture
For 2.1:1.
As a kind of embodiment of the present utility model, the processing temperature major control of first stage extruder is at 185-
230℃。
As a kind of embodiment of the present utility model, the processing temperature major control of second stage extruder is at 170-
220℃。
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1: the schematic diagram of a kind of screw extruder with two discharge holes
The schematic diagram of the Fig. 2: the first double thread bar
The schematic diagram of the Fig. 3: the second single screw
Symbol description:
First stage extruder-1, casing-11 of first stage extruder, the first charging aperture-12, the first discharging opening-13,
First double thread bar-14；
First threaded portion-141, the second threaded portion-142, the 3rd threaded portion-143, the 4th threaded portion-144, the 5th screw thread
Portion-145, the 6th threaded portion-146, the 7th threaded portion-147；
Second stage extruder-2, casing-21 of second stage extruder, the second charging aperture-22, the second discharging opening-23,
Second single screw-24, pillar buoy-25；
First the-241, second single thread portion of single thread portion-242 and the 3rd single thread portion-243；
Single screw diameter-244 at second discharging opening 23, the single screw diameter-245 at the second charging aperture 22；
Pillar buoy-25.
Detailed description of the invention
This utility model provides a kind of screw extruder with two discharge holes, the screw extruder bag of described two discharge holes
Include:
First stage extruder: comprising: the casing of first stage extruder；First charging aperture；First discharging opening；First
Double thread bar；
Second stage extruder: comprising: the casing of second stage extruder；Second charging aperture；Second discharging opening；Second
Single screw；Pillar buoy；
The fineness ratio of described first stage extruder is 1:(30-38)；
Described first double thread bar to the direction of the first discharging opening, is divided into 7 threaded portions, and each spiral shell from the first charging aperture
Stricture of vagina portion is equally spaced, and the spiral shell spacing between different threaded portions is different, and spiral shell spacing ratio is (3-5): (0.9-1.1): (1.8-
2.2): (1.3-1.8): (1.7-2.1): (1.6-2.0): (2.3-2.7)；
The processing temperature major control of first stage extruder is at 180-250 DEG C；
The fineness ratio of described second stage extruder is 1:(50-70)；
Described second single screw is from the second charging aperture to the direction of the second discharging opening, and the diameter of single screw gradually increases
Greatly, the single screw diameter of the second discharge outlet is 1.2-1.7 times of the single screw diameter at the second charging aperture；
Described second single screw to the direction of the second discharging opening, is divided into 3 threaded portions, and each spiral shell from the second charging aperture
Stricture of vagina portion is equally spaced, and the spiral shell spacing between different threaded portions is different, and spiral shell spacing ratio is (1-3): (2-5): 2.5；
Pillar buoy, and described cylindricality it is coaxially arranged with between described second single screw and the casing of second stage extruder
Single screw diameter at cylinder and the second charging aperture ratio is (1.5-2.5): 1；And described pillar buoy rotates at the second single screw
Time, do on-circular motion；
The processing temperature major control of first stage extruder is at 170-240 DEG C.
Screw extruder includes single screw extrusion machine, double screw extruder and multi-screw extruder.Wherein twin-screw extrusion
Machine includes rotating Vortex and counter rotating.
Extruder be mainly used in polymer fusing and synthesis, fill and strengthen, masterbatch produce, additive processing, powder
Stable and dyeing in end-granule conversion process, hot melt processing, TPE processing, Catalyst Production, electrode material production, fertilizer
Production, explosive production etc..
Being primarily configured as of screw extruder: transmission and lubricating system, feed system, heating and cooling system, exhaust system
System and other auxiliary equipments.
Screw rod is most important parts in plastics machine equipment, and it is directly connected to plastics machine plasticizing effect and yield.Spiral shell
Bar, in rotary course, mainly sees that plastics are carried out shearing plasticizing by spiral shell rib.Owing to working under severe conditions for a long time, spiral shell rib grinds
Damaging, spiral shell rib diminishes, and increases with the gap of barrel, causes plastic extrusion amount to reduce, and can produce plastics backflow, and plasticizing effect time serious
Fruit reduces, and crystal grain and the phenomenon of production capacity degradation occurs.
This utility model provides twin screw and the extruder of single screw mixes, sets between twin screw and single screw rod simultaneously
It is equipped with discharging opening and charging aperture.
As a kind of embodiment, the fineness ratio of described first stage extruder is 1:35.
As a kind of embodiment, the fineness ratio of described second stage extruder is 1:63.
Described first double thread bar to the direction of the first discharging opening, is divided into 7 threaded portions from the first charging aperture, and respectively
One threaded portion, the second threaded portion, the 3rd threaded portion, the 4th threaded portion, the 5th threaded portion, the 6th threaded portion, the 7th threaded portion, and
First threaded portion, the second threaded portion, the 3rd threaded portion, the 4th threaded portion, the 5th threaded portion, the 6th threaded portion, the 7th threaded portion
Spiral shell spacing ratio be (3-5): (0.9-1.1): (1.8-2.2): (1.3-1.8): (1.7-2.1): (1.6-2.0): (2.3-
2.7), more preferably 3.2:1.05:1.92:1.53:1.9:1.8:2.4.
Described second single screw to the direction of the second discharging opening, is divided into 3 threaded portions from the second charging aperture, and respectively
One single thread portion, the second single thread portion and the 3rd single thread portion, and the first single thread portion, the second single thread portion and the 3rd single thread
The spiral shell spacing ratio in portion is 2.1:3.5:2.5.
As a kind of embodiment, the single screw diameter of described second discharge outlet is the single thread at the second charging aperture
1.6 times of shank diameter.
As a kind of embodiment, the ratio of the single screw diameter at described pillar buoy and the second charging aperture is (1.8-2.3):
1, more preferably 2.1:1.
As a kind of embodiment, the processing temperature major control of first stage extruder is at 185-230 DEG C.
As a kind of embodiment, the processing temperature major control of second stage extruder is at 170-220 DEG C.
In this utility model, when needs are extruded, first stage extrusion can be selected according to material characteristic and actual condition
The temperature of machine and the temperature of second stage extruder, can select additive is to add or second at the first charging aperture simultaneously
Charging aperture adds.Meanwhile, the spacing difference between different threaded portions can improve batch mixing efficiency, it is to avoid occurs that melting effect is not
Good；Cross-linking reaction, chain extending reaction can not reach the phenomenons such as reaction completely.
Overall plan of the present utility model is done concrete detailed description: this utility model provides a kind of screw rod with two discharge holes
Extruder, it includes first stage extruder 1, and it includes the casing 11 of first stage extruder, the first charging aperture 12, and first goes out
Material mouth 13, the first double thread bar 14, the fineness ratio of described first stage extruder 1 is 1:(30-38), first stage extruder
Processing temperature major control is at 180-250 DEG C；
Second stage extruder 2, it includes the casing 21 of second stage extruder, the second charging aperture 22, the second discharging opening
23, the second single screw 24, pillar buoy 25, the fineness ratio of described second stage extruder is 1:(50-70), second stage is extruded
The processing temperature major control of machine is at 170-240 DEG C；
Described first double thread bar 14 to the direction of the first discharging opening, is divided into 7 threaded portions from the first charging aperture, is respectively
First threaded portion 141, the second threaded portion 142, the 3rd threaded portion 143, the 4th threaded portion 144, the 5th threaded portion 145, the 6th spiral shell
Stricture of vagina portion 146, the 7th threaded portion 147, each threaded portion is equally spaced, and the spiral shell spacing between different threaded portions is different, the first spiral shell
Stricture of vagina portion 141, the second threaded portion 142, the 3rd threaded portion 143, the 4th threaded portion 144, the 5th threaded portion 145, the 6th threaded portion 146
It is (3-5) with the spiral shell spacing ratio of the 7th threaded portion 147: (0.9-1.1): (1.8-2.2): (1.3-1.8): (1.7-2.1):
(1.6-2.0): (2.3-2.7)；
Described second single screw 24 to the direction of the second discharging opening, is divided into 3 threaded portions from the second charging aperture, is respectively
First the 241, second single thread portion of single thread portion 242 and the 3rd single thread portion 243, and each threaded portion is equally spaced, different
Spiral shell spacing between threaded portion is different, between the spiral shell in the 241, second single thread portion of the first single thread portion 242 and the 3rd single thread portion 243
It is (1-3) away from ratio: (2-5): 2.5；
Described second single screw 24 is from the second charging aperture to the direction of the second discharging opening, and the diameter of single screw gradually increases
Greatly, the single screw diameter 244 at the second discharging opening 23 is the 1.2-1.7 of the single screw diameter 245 at the second charging aperture 22
Times；
It is coaxially arranged with pillar buoy 25, and institute between described second single screw 24 and the casing 21 of second stage extruder
State the single screw diameter 244 at pillar buoy 25 and the second charging aperture 22 than being (1.5-2.5): 1；And described pillar buoy 25 is
When two single screws 24 rotate, do on-circular motion.
Embodiment
Embodiment 1: this utility model provides a kind of screw extruder with two discharge holes, and it includes that the first stage is extruded
Machine 1, it includes the casing 11 of first stage extruder, the first charging aperture 12, the first discharging opening 13, the first double thread bar 14, institute
The fineness ratio stating first stage extruder 1 is 1:30, and the processing temperature major control of first stage extruder is at 180-250 DEG C；
Second stage extruder 2, it includes the casing 21 of second stage extruder, the second charging aperture 22, the second discharging opening
23, the second single screw 24, pillar buoy 25, the fineness ratio of described second stage extruder is 1:50, second stage extruder
Processing temperature major control is at 170-240 DEG C；
Described first double thread bar 14 to the direction of the first discharging opening, is divided into 7 threaded portions from the first charging aperture, is respectively
First threaded portion 141, the second threaded portion 142, the 3rd threaded portion 143, the 4th threaded portion 144, the 5th threaded portion 145, the 6th spiral shell
Stricture of vagina portion 146, the 7th threaded portion 147, each threaded portion is equally spaced, and the spiral shell spacing between different threaded portions is different, the first spiral shell
Stricture of vagina portion 141, the second threaded portion 142, the 3rd threaded portion 143, the 4th threaded portion 144, the 5th threaded portion 145, the 6th threaded portion 146
It is 3:0.9:1.8:1.3:1.7:1.6:2.3 with the spiral shell spacing ratio of the 7th threaded portion 147；
Described second single screw 24 to the direction of the second discharging opening, is divided into 3 threaded portions from the second charging aperture, respectively
It is the 241, second single thread portion of the first single thread portion 242 and the 3rd single thread portion 243, and each threaded portion is equally spaced, no
Different with the spiral shell spacing between threaded portion, the 241, second single thread portion of the first single thread portion 242 and the spiral shell in the 3rd single thread portion 243
Spacing ratio is 1:2:2.5；
Described second single screw 24 is from the second charging aperture to the direction of the second discharging opening, and the diameter of single screw gradually increases
Greatly, the single screw diameter 244 at the second discharging opening 23 is 1.2 times of the single screw diameter 245 at the second charging aperture 22；
It is coaxially arranged with pillar buoy 25, and institute between described second single screw 24 and the casing 21 of second stage extruder
Stating single screw diameter 244 ratio at pillar buoy 25 and the second charging aperture 22 is 1.5:1；And described pillar buoy 25 is at second single spiral shell
When rasp bar 24 rotates, do on-circular motion.
Embodiment 2: this utility model provides a kind of screw extruder with two discharge holes, and it includes that the first stage is extruded
Machine 1, it includes the casing 11 of first stage extruder, the first charging aperture 12, the first discharging opening 13, the first double thread bar 14, institute
The fineness ratio stating first stage extruder 1 is 1:38, and the processing temperature major control of first stage extruder is at 180-250 DEG C；
Second stage extruder 2, it includes the casing 21 of second stage extruder, the second charging aperture 22, the second discharging opening
23, the second single screw 24, pillar buoy 25, the fineness ratio of described second stage extruder is 1:70, second stage extruder
Processing temperature major control is at 170-240 DEG C；
Described first double thread bar 14 to the direction of the first discharging opening, is divided into 7 threaded portions from the first charging aperture, is respectively
First threaded portion 141, the second threaded portion 142, the 3rd threaded portion 143, the 4th threaded portion 144, the 5th threaded portion 145, the 6th spiral shell
Stricture of vagina portion 146, the 7th threaded portion 147, each threaded portion is equally spaced, and the spiral shell spacing between different threaded portions is different, the first spiral shell
Stricture of vagina portion 141, the second threaded portion 142, the 3rd threaded portion 143, the 4th threaded portion 144, the 5th threaded portion 145, the 6th threaded portion 146
It is 5:1.1:2.2:1.8:2.1:2.0:2.7 with the spiral shell spacing ratio of the 7th threaded portion 147；
Described second single screw 24 to the direction of the second discharging opening, is divided into 3 threaded portions from the second charging aperture, is respectively
First the 241, second single thread portion of single thread portion 242 and the 3rd single thread portion 243, and each threaded portion is equally spaced, different
Spiral shell spacing between threaded portion is different, between the spiral shell in the 241, second single thread portion of the first single thread portion 242 and the 3rd single thread portion 243
It is 3:5:2.5 away from ratio；
Described second single screw 24 is from the second charging aperture to the direction of the second discharging opening, and the diameter of single screw gradually increases
Greatly, the single screw diameter 244 at the second discharging opening 23 is 1.7 times of the single screw diameter 245 at the second charging aperture 22；
It is coaxially arranged with pillar buoy 25, and institute between described second single screw 24 and the casing 21 of second stage extruder
Stating single screw diameter 244 ratio at pillar buoy 25 and the second charging aperture 22 is 2.5:1；And described pillar buoy 25 is at second single spiral shell
When rasp bar 24 rotates, do on-circular motion.
Embodiment 3: this utility model provides a kind of screw extruder with two discharge holes, and it includes that the first stage is extruded
Machine 1, it includes the casing 11 of first stage extruder, the first charging aperture 12, the first discharging opening 13, the first double thread bar 14, institute
The fineness ratio stating first stage extruder 1 is 1:34, and the processing temperature major control of first stage extruder is at 180-250 DEG C；
Second stage extruder 2, it includes the casing 21 of second stage extruder, the second charging aperture 22, the second discharging opening
23, the second single screw 24, pillar buoy 25, the fineness ratio of described second stage extruder is 1:60, second stage extruder
Processing temperature major control is at 170-240 DEG C；
Described first double thread bar 14 to the direction of the first discharging opening, is divided into 7 threaded portions from the first charging aperture, is respectively
First threaded portion 141, the second threaded portion 142, the 3rd threaded portion 143, the 4th threaded portion 144, the 5th threaded portion 145, the 6th spiral shell
Stricture of vagina portion 146, the 7th threaded portion 147, each threaded portion is equally spaced, and the spiral shell spacing between different threaded portions is different, the first spiral shell
Stricture of vagina portion 141, the second threaded portion 142, the 3rd threaded portion 143, the 4th threaded portion 144, the 5th threaded portion 145, the 6th threaded portion 146
It is 4:1.0:2.0:1.6:1.9:1.8:2.5 with the spiral shell spacing ratio of the 7th threaded portion 147；
Described second single screw 24 to the direction of the second discharging opening, is divided into 3 threaded portions from the second charging aperture, is respectively
First the 241, second single thread portion of single thread portion 242 and the 3rd single thread portion 243, and each threaded portion is equally spaced, different
Spiral shell spacing between threaded portion is different, between the spiral shell in the 241, second single thread portion of the first single thread portion 242 and the 3rd single thread portion 243
It is 2:3:2.5 away from ratio；
Described second single screw 24 is from the second charging aperture to the direction of the second discharging opening, and the diameter of single screw gradually increases
Greatly, the single screw diameter 244 at the second discharging opening 23 is 1.5 times of the single screw diameter 245 at the second charging aperture 22；
It is coaxially arranged with pillar buoy 25, and institute between described second single screw 24 and the casing 21 of second stage extruder
Stating single screw diameter 244 ratio at pillar buoy 25 and the second charging aperture 22 is 2:1；And described pillar buoy 25 is at the second single thread
When bar 24 rotates, do on-circular motion.
Embodiment 4: this utility model provides a kind of screw extruder with two discharge holes, and it includes that the first stage is extruded
Machine 1, it includes the casing 11 of first stage extruder, the first charging aperture 12, the first discharging opening 13, the first double thread bar 14, institute
The fineness ratio stating first stage extruder 1 is 1:35, and the processing temperature major control of first stage extruder is at 180-250 DEG C；
Second stage extruder 2, it includes the casing 21 of second stage extruder, the second charging aperture 22, the second discharging opening
23, the second single screw 24, pillar buoy 25, the fineness ratio of described second stage extruder is 1:63, second stage extruder
Processing temperature major control is at 170-240 DEG C；
Described first double thread bar 14 to the direction of the first discharging opening, is divided into 7 threaded portions from the first charging aperture, is respectively
First threaded portion 141, the second threaded portion 142, the 3rd threaded portion 143, the 4th threaded portion 144, the 5th threaded portion 145, the 6th spiral shell
Stricture of vagina portion 146, the 7th threaded portion 147, each threaded portion is equally spaced, and the spiral shell spacing between different threaded portions is different, the first spiral shell
Stricture of vagina portion 141, the second threaded portion 142, the 3rd threaded portion 143, the 4th threaded portion 144, the 5th threaded portion 145, the 6th threaded portion 146
It is 3.2:1.05:1.92:1.53:1.9:1.8:2.4 with the spiral shell spacing ratio of the 7th threaded portion 147；
Described second single screw 24 to the direction of the second discharging opening, is divided into 3 threaded portions from the second charging aperture, is respectively
First the 241, second single thread portion of single thread portion 242 and the 3rd single thread portion 243, and each threaded portion is equally spaced, different
Spiral shell spacing between threaded portion is different, between the spiral shell in the 241, second single thread portion of the first single thread portion 242 and the 3rd single thread portion 243
It is 2.1:3.5:2.5 away from ratio；
Described second single screw 24 is from the second charging aperture to the direction of the second discharging opening, and the diameter of single screw gradually increases
Greatly, the single screw diameter 244 at the second discharging opening 23 is 1.6 times of the single screw diameter 245 at the second charging aperture 22；
It is coaxially arranged with pillar buoy 25, and institute between described second single screw 24 and the casing 21 of second stage extruder
Stating single screw diameter 244 ratio at pillar buoy 25 and the second charging aperture 22 is 2.1:1；And described pillar buoy 25 is at second single spiral shell
When rasp bar 24 rotates, do on-circular motion.
Claims (10)
1. a screw extruder with two discharge holes, it is characterised in that the screw extruder of described two discharge holes includes:
First stage extruder: comprising: the casing of first stage extruder；First charging aperture；First discharging opening；First pair of spiral shell
Rasp bar；
Second stage extruder: comprising: the casing of second stage extruder；Second charging aperture；Second discharging opening；Second single spiral shell
Rasp bar；Pillar buoy；
The fineness ratio of described first stage extruder is 1:(30-38)；
Described first double thread bar to the direction of the first discharging opening, is divided into 7 threaded portions, and each threaded portion from the first charging aperture
Being equally spaced, the spiral shell spacing between different threaded portions is different, and spiral shell spacing ratio is (3-5): (0.9-1.1): (1.8-2.2):
(1.3-1.8): (1.7-2.1): (1.6-2.0): (2.3-2.7)；
The fineness ratio of described second stage extruder is 1:(50-70)；
Described second single screw is from the second charging aperture to the direction of the second discharging opening, and the diameter of single screw is gradually increased, the
The single screw diameter of two discharge outlet is 1.2-1.7 times of the single screw diameter at the second charging aperture；
Described second single screw to the direction of the second discharging opening, is divided into 3 threaded portions, and each threaded portion from the second charging aperture
Being equally spaced, the spiral shell spacing between different threaded portions is different, and spiral shell spacing ratio is (1-3): (2-5): 2.5；
Be coaxially arranged with pillar buoy between described second single screw and the casing of second stage extruder, and described pillar buoy and
Single screw diameter at second charging aperture is than being (1.5-2.5): 1；And described pillar buoy is when the second single screw rotates, and does
On-circular moves.
The screw extruder with two discharge holes the most according to claim 1, is characterized in that, described first stage extruder
Fineness ratio be 1:35.
The screw extruder with two discharge holes the most according to claim 1, is characterized in that, described second stage extruder
Fineness ratio be 1:63.
The screw extruder with two discharge holes the most according to claim 1, is characterized in that, described first double thread bar from
First charging aperture, to the direction of the first discharging opening, is divided into 7 threaded portions, and the spiral shell spacing ratio of each threaded portion is 3.2:1.05:
1.92:1.53:1.9:1.8:2.4.
The screw extruder with two discharge holes the most according to claim 1, is characterized in that, described second single screw from
Second charging aperture, to the direction of the second discharging opening, is divided into 3 threaded portions, and the spiral shell spacing ratio of each threaded portion is 2.1:3.5:
2.5。
The screw extruder with two discharge holes the most according to claim 1, is characterized in that, described second discharge outlet
Single screw diameter is 1.6 times of the single screw diameter at the second charging aperture.
The screw extruder with two discharge holes the most according to claim 1, is characterized in that, described pillar buoy and second enters
Single screw diameter ratio at material mouth is (1.8-2.3): 1.
The screw extruder with two discharge holes the most according to claim 1, is characterized in that, described pillar buoy and second enters
Single screw diameter ratio at material mouth is for 2.1:1.
The screw extruder with two discharge holes the most according to claim 1, is characterized in that, adding of first stage extruder
Work temperature controls at 185-230 DEG C.
The screw extruder with two discharge holes the most according to claim 1, is characterized in that, second stage extruder
Processing temperature controls at 170-220 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620545649.6U CN205767392U (en) | 2016-06-07 | 2016-06-07 | A kind of screw extruder with two discharge holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620545649.6U CN205767392U (en) | 2016-06-07 | 2016-06-07 | A kind of screw extruder with two discharge holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205767392U true CN205767392U (en) | 2016-12-07 |
Family
ID=58134612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620545649.6U Expired - Fee Related CN205767392U (en) | 2016-06-07 | 2016-06-07 | A kind of screw extruder with two discharge holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205767392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556303A (en) * | 2018-03-26 | 2018-09-21 | 大连三垒科技有限公司 | Double-wall corrugated effective corotating twin-screw plastic extrusion unit |
-
2016
- 2016-06-07 CN CN201620545649.6U patent/CN205767392U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556303A (en) * | 2018-03-26 | 2018-09-21 | 大连三垒科技有限公司 | Double-wall corrugated effective corotating twin-screw plastic extrusion unit |
| CN108556303B (en) * | 2018-03-26 | 2023-11-17 | 大连三垒科技有限公司 | Co-directional parallel double-screw plastic extruder set for double-wall corrugated pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2005334397A1 (en) | Counter-rotating twin screw extruder | |
| CN102166794B (en) | Rubber continuous mixing dual-rotor structure and mixing equipment adopting same | |
| CN204869587U (en) | Fashioned twin -screw extrusion device of plastic pellet | |
| CN102225317A (en) | Double-conical-rotor continuous mixing unit | |
| CN201901731U (en) | Spinning screw | |
| CN205767392U (en) | A kind of screw extruder with two discharge holes | |
| CN202146733U (en) | Three-rotor continuous mixing machine set provided with triangularly-arranged rotors | |
| CN102922715A (en) | Charging device and twin-screw extruder provided with the same | |
| CN102601886B (en) | Rich mineral paper masterbatch extruding granulator set | |
| CN102490340B (en) | Conical twin-screw | |
| CN202155160U (en) | Conical dual-rotor continuous mixing unit | |
| CN102794899A (en) | Screw of twin-screw extruder for compound modification of waste rubber-plastic blending system | |
| CN102225315A (en) | Three-rotor continuous mixing unit with rotors arranged in straight line | |
| CN201931561U (en) | Granulating equipment with dual screw rods having ultra-high length-diameter ratio | |
| CN202212120U (en) | Conical tri-rotor continuous mixing unit with triangularly arranged rotors | |
| CN103240861B (en) | Parallel double-screw extruder group | |
| CN216068605U (en) | Screw for double-screw extruder | |
| CN202965145U (en) | Material feeding device for extruder and double-screw extruder | |
| CN202623253U (en) | Plastic extrusion machine | |
| CN204505770U (en) | A kind of extruder of singe screw | |
| CN204505776U (en) | A kind of extruder | |
| CN206840476U (en) | Self-cleaning dual-screw pelletizer | |
| CN103057083B (en) | High polymer material eccentricity spiral stirring type compulsory feeding method and device thereof | |
| CN102225316A (en) | Three-rotor continuous mixing unit with rotors arranged triangularly | |
| CN202623243U (en) | Plastic extruding machine with conical screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200607 |