CN207808138U - A kind of double screw extruder - Google Patents
A kind of double screw extruder Download PDFInfo
- Publication number
- CN207808138U CN207808138U CN201721697823.XU CN201721697823U CN207808138U CN 207808138 U CN207808138 U CN 207808138U CN 201721697823 U CN201721697823 U CN 201721697823U CN 207808138 U CN207808138 U CN 207808138U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- cylinder
- screw
- heating jacket
- threaded portion
- 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
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000005192 partition Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 13
- 239000008187 granular material Substances 0.000 abstract description 11
- 238000010008 shearing Methods 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 8
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000903 blocking Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of double screw extruders, including engine base, and the cylinder being installed on engine base, and the first screw rod and the second screw rod being set in cylinder, and the decelerating motor being connect with the first screw rod and the second screw drive；Its upside of the cylinder is provided with feed hopper, and its bottom of feed hopper stretches to the second cylinder across the first cylinder；Its upside of the cylinder, screw feeder is equipped with above its threaded portion of the second screw rod；The barrel end, positioned at the first screw rod, its extruding end offers discharge port；The double screw extruder of the utility model, large granular materials are mixed through preliminary shearing and small particles material, and pass through the interaction of the first screw rod and the second screw rod so that large granular materials and small particles material can mix more uniformly after shearing, and be convenient for following process；And heating jacket is used, it can be achieved that quickly heating, and can control each section of temperature, convenient for manipulation.
Description
Technical field
The utility model is related to a kind of extruders, and in particular to a kind of double screw extruder belongs to Masterbatch production equipment
Technical field.
Background technology
The twin-screw extrusion cutoff device of Masterbatch production uses extensively, but the Masterbatch production of existing market is double
Its cutting efficiency of screw extruder pellet device is low, easy to wear, and the service life of pellet device is caused to greatly shorten, and cuts
Effect is also bad；Chinese Patent Application No.：201720281106.2 disclosing a kind of double screw extruder of Masterbatch production
One end lower surface of cutoff device, including cutoff device main body, the cutoff device main body is provided with absorption sucker, and blank fills
This end both sides for setting main body are symmetrical arranged there are two handle is limited, and cutter frame is provided with below the other end of cutoff device main body
Frame is provided with upper cutter and lower cutter in the cutter frame, and the upper cutter and lower cutter pass through cutter pedestal and cutter frame
Frame is connected, and infrared thermometer is provided on the upper inner surface of cutter frame, and be provided with control box above cutter frame, described
Control box is arranged on the other end of cutoff device main body, and the top and the bottom of control box are respectively arranged with PLC controller and double
Head motor, the PLC controller control infrared thermometer and Double-end motor-driven machine by telecommunication；It is with fly-cutting, effect
The advantages of rate height and stable structure；But the double screw extruder cutoff device in above-mentioned technical proposal is easy out in shear history
Non-uniform phenomenon is now cut, cut quality is not good enough.
Utility model content
In order to solve the above problems, the utility model proposes a kind of double screw extruder, by large granular materials through tentatively cutting
It cuts and is mixed with small particles material, and pass through the interaction of the first screw rod and the second screw rod so that large granular materials and small
Granule materials can mix more uniformly after shearing, and be convenient for following process；And using heating jacket, it can be achieved that quickly heating,
And each section of temperature can be controlled, convenient for manipulation.
The double screw extruder of the utility model, including engine base, and the cylinder that is installed on engine base, and be set in cylinder
The first screw rod and the second screw rod, and the decelerating motor that is connect with the first screw rod and the second screw drive；
The cylinder is made into integration by the first cylinder and the second cylinder, and passes through partition board between the first cylinder and the second cylinder
Isolation；Second screw rod is made into integration by smooth department and threaded portion；Described its smooth department of second screw rod is set to the first cylinder
It is interior；Described its threaded portion of second screw rod and the first screw rod may be contained in the second cylinder；
Its upside of the cylinder is provided with feed hopper, and its bottom of feed hopper stretches to the second cylinder across the first cylinder；
Its upside of the cylinder, screw feeder is equipped with above its threaded portion of the second screw rod；The barrel end is located at first
Its extruding end of screw rod offers discharge port；
First screw rod and the second screw rod its away from discharge port one end, by gear set and decelerating motor, its shaft is connect；
The first heating jacket, the second heating jacket are arranged with by feed end to discharge end successively on the outside of first screw rod and the second screw rod
It with third heating jacket, is squeezed out for fusion plastification after plastic heating, and uses heating jacket, it can be achieved that quickly heating, and can
Each section of temperature is controlled, convenient for manipulation；
Second cylinder is connected with multiple vacuum air pumps by exhaust tube respectively, can be used for generating when will squeeze out thin
Powder is sucked out, and prevents equipment from blocking.
Further, feed zone, mixing section and extruding zone are provided in the cylinder；Described its smooth department of second screw rod is equal
It is set to feed zone；Described its threaded portion of second screw rod is set to mixing section；First screw rod is disposed through in cylinder, greatly
Granule materials are entered by feed hopper in cylinder, carry out preliminary shearing to it by the first screw rod, and squeeze to mixing section；Small
Grain material is fed through the mixing section in cylinder by screw feeder so that the large granular materials after preliminary shearing and small particles material
Mixing, and shearing is mixed under the action of the first screw rod and the second screw rod；Mixed material is squeezed through the first screw rod to discharging
Mouthful.
Still further, first heating jacket is set on the outside of first screw rod of feed zone.
Still further, second heating jacket is set in first screw rod and second spiral shell positioned at mixing section
On the outside of its threaded portion of bar.
Still further, the third heating jacket is set on the outside of first screw rod of extruding zone.
Compared with prior art, the double screw extruder of the utility model, by large granular materials through just
Step shearing and small particles material are mixed, and pass through the interaction of the first screw rod and the second screw rod so that large granular materials
It can be mixed after shearing more uniformly with small particles material, and be convenient for following process；And using heating jacket, it can be achieved that quickly adding
Heat, and each section of temperature can be controlled, convenient for manipulation；In addition, connecting multiple vacuum air pumps by exhaust tube, can be used for
The fine powder generated when squeezing out is sucked out, prevents equipment from blocking, extends service life of equipment.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Each component is labeled as in attached drawing：1- engine bases, 2- cylinders, 3- feed hoppers, 4- screw feeders, 5- discharge ports, 6-
One screw rod, the second screw rods of 7-, 8- decelerating motors, 9- gear sets, the first heating jackets of 10-, the second heating jackets of 11-, 12- thirds
Heating jacket, 13- vacuum air pumps, 15- partition boards, 16- motor cabinets, the first cylinders of 21-, the second cylinders of 22-, the threaded portions 71-,
72- smooth departments.
Specific implementation mode
Double screw extruder as shown in Figure 1, including engine base 1, and the cylinder 2 that is installed on engine base 1, and it is set to cylinder
The first screw rod 6 in 2 and the second screw rod 7, and the decelerating motor 8 with the first screw rod 6 and the drive connection of the second screw rod 7；
The cylinder 2 is made into integration by the first cylinder 21 and the second cylinder 22, and the first cylinder 21 and the second cylinder 22 it
Between be isolated by partition board 15；Second screw rod 7 is made into integration by smooth department 72 and threaded portion 71；Second screw rod, 7 its light
Cunning portion 72 is set in the first cylinder 21；Its threaded portion 71 of second screw rod 7 and the first screw rod 6 may be contained within the second cylinder 22
It is interior；
Its upside of the cylinder 2 is provided with feed hopper 3, and its bottom of feed hopper 3 stretches to second across the first cylinder 21
Cylinder 22；Its upside of the cylinder 2, screw feeder 4 is equipped with above its threaded portion 71 of the second screw rod 7；The cylinder 2
End offers discharge port 5 positioned at first screw rod 6 its extruding end；
First screw rod, 6 and second screw rod 7 its away from 5 one end of discharge port pass through gear set 9 and decelerating motor 8 its shaft
Connection；The outside of first screw rod, 6 and second screw rod 7 is arranged with the first heating jacket 10, the successively by feed end to discharge end
Two heating jackets 11 and third heating jacket 12；
Second cylinder 22 is connected with multiple vacuum air pumps 13 by exhaust tube respectively.
Feed zone, mixing section and extruding zone are provided in the cylinder 2；Its smooth department 72 of second screw rod 7 is respectively provided with
In feed zone；Its threaded portion 71 of second screw rod 7 is set to mixing section；First screw rod 6 is disposed through in cylinder 2.
First heating jacket 10 is set in positioned at first screw rod, 6 outside of feed zone.
Second heating jacket 11 is set in 7 its spiral shell of first screw rod 6 and second screw rod positioned at mixing section
71 outside of line portion.
The third heating jacket 12 is set in positioned at first screw rod, 6 outside of extruding zone.
The double screw extruder of the utility model, large granular materials are entered by feed hopper in cylinder, and the first screw rod is passed through
Preliminary shearing is carried out to it, and is squeezed to mixing section；Small particles material is fed through the mixing section in cylinder by screw feeder, makes
It obtains the large granular materials after preliminary shearing to mix with small particles material, and mixes and cut under the action of the first screw rod and the second screw rod
It cuts；Mixed material is squeezed through the first screw rod to discharge port；First heating jacket, the second heating jacket and third heating are set
Chuck is squeezed out for fusion plastification after plastic heating, and using heating jacket, it can be achieved that quickly heating, and can be to each section of temperature
Degree is controlled, convenient for manipulation；Multiple vacuum air pumps are connected by exhaust tube, the fine powder that can be used for generating when will squeeze out is inhaled
Go out, prevents equipment from blocking.
Above-described embodiment is only the better embodiment of the utility model, therefore all according to the utility model patent application range
The equivalent change or modification that the structure, feature and principle is done, is included in the scope of the utility model patent application.
Claims (5)
1. a kind of double screw extruder, it is characterised in that：Including engine base, and the cylinder that is installed on engine base, and it is set to cylinder
Interior the first screw rod and the second screw rod, and the decelerating motor that is connect with the first screw rod and the second screw drive；
The cylinder is made into integration by the first cylinder and the second cylinder, and between the first cylinder and the second cylinder by partition board every
From；Second screw rod is made into integration by smooth department and threaded portion；Described its smooth department of second screw rod is set in the first cylinder；
Described its threaded portion of second screw rod and the first screw rod may be contained in the second cylinder；
Its upside of the cylinder is provided with feed hopper, and its bottom of feed hopper stretches to the second cylinder across the first cylinder；It is described
Its upside of cylinder, screw feeder is equipped with above its threaded portion of the second screw rod；The barrel end is located at the first screw rod
Its extruding end offers discharge port；
First screw rod and the second screw rod its away from discharge port one end, by gear set and decelerating motor, its shaft is connect；It is described
The first heating jacket, the second heating jacket and the are arranged with by feed end to discharge end successively on the outside of first screw rod and the second screw rod
Three heating jackets；
Second cylinder is connected with multiple vacuum air pumps by exhaust tube respectively.
2. double screw extruder according to claim 1, it is characterised in that：Feed zone, mixing are provided in the cylinder
Section and extruding zone；Described its smooth department of second screw rod may be contained within feed zone；Described its threaded portion of second screw rod is set to mixing
Section；First screw rod is disposed through in cylinder.
3. double screw extruder according to claim 1, it is characterised in that：First heating jacket be set in positioned at into
On the outside of first screw rod for expecting section.
4. double screw extruder according to claim 1, it is characterised in that：Second heating jacket is set in positioned at mixed
It closes on the outside of first screw rod and described its threaded portion of second screw rod of section.
5. double screw extruder according to claim 1, it is characterised in that：The third heating jacket is set in positioned at crowded
Go out on the outside of first screw rod of section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697823.XU CN207808138U (en) | 2017-12-08 | 2017-12-08 | A kind of double screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697823.XU CN207808138U (en) | 2017-12-08 | 2017-12-08 | A kind of double screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207808138U true CN207808138U (en) | 2018-09-04 |
Family
ID=63335282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721697823.XU Expired - Fee Related CN207808138U (en) | 2017-12-08 | 2017-12-08 | A kind of double screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207808138U (en) |
-
2017
- 2017-12-08 CN CN201721697823.XU patent/CN207808138U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20211208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |