CN208745311U - A kind of handpiece structure of double screw extruder - Google Patents
A kind of handpiece structure of double screw extruder Download PDFInfo
- Publication number
- CN208745311U CN208745311U CN201821411638.4U CN201821411638U CN208745311U CN 208745311 U CN208745311 U CN 208745311U CN 201821411638 U CN201821411638 U CN 201821411638U CN 208745311 U CN208745311 U CN 208745311U
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- CN
- China
- Prior art keywords
- head
- wall
- screw extruder
- screw rod
- double screw
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- 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
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of handpiece structures of double screw extruder, including rear head and preceding head, the preceding head carries out threaded connection by connecting pin with rear head and connects, the inside of the preceding head is opened up there are two runner interconnected, two runners are equipped with screw rod, two screw rod intermeshings, the preceding head is far from being fixed with mounting plate on one end inner wall of rear head, installing port there are two being opened up on the mounting plate, bearing is respectively and fixedly provided in each installing port, each screw rod is equipped with close to bearing integrally formed with elongated end.Preceding head and rear head in the utility model is by the way of being threadedly coupled, head removes before convenient, when being cleared up, by the importing of compressed air and in two screw rods under the premise of slowly running, material in runner and on screw rod can be blown out, it avoids mixing different materials, influences final product quality.
Description
Technical field
The utility model relates to technical field of textile machine more particularly to a kind of handpiece structures of double screw extruder.
Background technique
Double screw extruder is grown up on the basis of single screw extrusion machine, and the engagement pair between two screw rods is passed through
Material plays the role of shearing, mixing and passage.
But at present extruder after hours, powder and pellet inside head are not easy to be cleared up, and are easily blended in down
In primary material, to influence the final product quality of extrusion next time.
Utility model content
Purpose of the utility model is to solve the problems in background techniques, and a kind of double screw extruder proposed
Handpiece structure.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of handpiece structure of double screw extruder, including rear head and preceding head, the preceding head and rear head pass through
Connecting pin is threadedly coupled, and the inside of the preceding head is opened up there are two runner interconnected, and two runners are all provided with
There is a screw rod, two screw rods intermeshings, the preceding head is described far from being fixed with mounting plate on one end inner wall of rear head
It is opened up on mounting plate there are two installing port, is respectively and fixedly provided with bearing in each installing port, each screw rod is equal close to bearing
Equipped with integrally formed with elongated end, each elongated end is plugged in one of bearing and is fixedly connected with bearing, described
Be inserted with feed pipe on the outer wall of head afterwards, the upper end of the feed pipe is connected with loading hopper, it is described after head outer wall on
It is inserted with air inlet pipe, one end that the air inlet pipe is located in rear head is connected to the inside of runner.
Preferably, the connecting pin is equipped with the jag being connected to rear head, the jag by one end of nearby head
The inside of head after insertion, the rear head offer annular groove on the nearby side side wall of head, set on the connecting pin
There is the arc panel to match with annular groove location.
Preferably, the feed pipe is sequentially installed with solenoid valve and flow sensor from top to bottom.
Preferably, the input terminal of the flow sensor is located at the inside of feed pipe, the output end of the flow sensor
It is connect with the input terminal of external main controller.
Preferably, it is arranged with heating coil on the outer wall of the rear head, the heating coil is connected by conducting wire and external power supply
It connects, thermal insulation layer is arranged on the outer wall of the heating coil, the thermal insulation layer is made of glass fiber material.
Preferably, cooling tube is wound on the outer wall of the preceding head, flowing has cooling water flow in the cooling tube.
Compared with prior art, the advantages of handpiece structure of this double screw extruder, is:
1, connecting pin, annular groove, arc panel and jag, connecting pin is arranged to be threadedly coupled with rear head, is convenient for connecting pin
Disassembly, it is convenient that the inside of rear head is cleaned, meanwhile, when connecting pin is connect with rear head, jag and arc panel
Play guiding role, while jag plays and keeps the connection between preceding head and rear head even closer.
2, heating coil and cooling tube are set, when two screw rods drive materials to be moved along, by heating coil and power supply it
Between connection complete heating coil work, by heating accelerate material thawing form, continue to move forward to preceding machine after being stirred
In head, material is cooled down by the cooling water flow in cooling tube while material is squeezed out out of preceding head, accelerates molding.
3, loading hopper, solenoid valve, flow sensor and feed pipe are set, the trigger signal of flow sensor is adjusted, when
When reaching trigger signal, main controller, main controller and then control solenoid valve closing are sent a signal to, it is convenient that inlet amount is adjusted
Section.
4, air inlet pipe is set, air inlet pipe and external air compressor are attached, connecting pin is screwed off, in two spiral shells
Under the premise of bar slowly runs, external air is blown into runner through compression, under the action of high pressure draught, by runner and
Material blowout on screw rod, cleaning is convenient, guarantees not adulterate with other material next time.
In conclusion the preceding head and rear head in the utility model by the way of being threadedly coupled, facilitate preceding head
It removes, when being cleared up, by the importing of compressed air and in two screw rods under the premise of slowly running, can will flow
Material blowout in road and on screw rod, avoids mixing different materials, influences final product quality.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of double screw extruder handpiece structure structural schematic diagram；
Fig. 2 be the utility model proposes a kind of double screw extruder handpiece structure in after head side view；
Fig. 3 is the enlarged drawing of part A in Fig. 1.
In figure: head, 2 mounting plates, 3 bearings, 4 screw rods, 5 loading hoppers, 6 solenoid valves, 7 flow sensors, 8 air inlets after 1
Head, 12 cooling tubes, 13 connecting pins, 14 annular grooves, 15 arc panels, 16 jags, 17 before pipe, 9 heating coils, 10 thermal insulation layers, 11
Runner.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of handpiece structure of double screw extruder, including rear head 1 and preceding head 11, preceding 11 He of head
Head 1 is threadedly coupled by connecting pin 13 afterwards, and connecting pin 13 is equipped with by one end of nearby head 11 to be connected to rear head 1
Jag 16, the inside of head 1 after jag 16 is inserted into, rear head 1 offer annular on the nearby side side wall of head 11
Slot 14, connecting pin 13 are equipped with the arc panel 15 to match with 14 position of annular groove, screw in connecting pin 13 to preceding head 11
When, arc panel 15 is inserted into annular groove 14, is limited to connecting pin 13, and keep the movement of connecting pin 13 more steady, meanwhile,
Keep the connection between rear head 1 and preceding head 11 even closer by the way that jag 16 is arranged, prevents material from leaking.
The inside of preceding head 11 is opened up there are two runner 17 interconnected, and two runners 17 are equipped with screw rod 4, two spiral shells
Bar 4 is intermeshed, and preceding head 11 is fixed with mounting plate 2 on one end inner wall far from rear head 1, opened up on mounting plate 2 there are two
Installing port is respectively and fixedly provided with bearing 3 in each installing port, and each screw rod 4 is equipped with integrally formed with elongated end, often close to bearing 3
A elongated end is plugged in one of bearing 3 and is fixedly connected with bearing 3, and screw rod 4 is rotated in bearing 3, and rotation is more
Add steadily, feed pipe is inserted on the outer wall of rear head 1, feed pipe is sequentially installed with solenoid valve 6 and flow sensing from top to bottom
Device 7, the upper end of feed pipe are connected with loading hopper 5, open solenoid valve 6, and material enters runner by loading hopper 5 and feed pipe
In 17, the input terminal of flow sensor 7 is located at the inside of feed pipe, and the output end of flow sensor 7 is defeated with external main controller
Enter end connection, set the trigger signal of flow sensor 7, when reaching trigger signal, send a signal to main controller, main controller into
And the closing of solenoid valve 6 is controlled, it is convenient that inlet amount is adjusted.
It further illustrates, main controller can play the conventionally known equipment of control for computer etc..
Heating coil 9 is arranged on the outer wall of head 1 afterwards, heating coil 9 is connect by conducting wire with external power supply, heating coil 9
Thermal insulation layer 10 is arranged on outer wall, thermal insulation layer 10 is made of glass fiber material, and heat is avoided to spread out of, and guarantees that most of heat passes
It is handed to the inside of rear head 1, cooling tube 12 is wound on the outer wall of preceding head 11, flowing has cooling water flow in cooling tube 12, leads to
The work of heating coil 9 is completed in the connection crossed between heating coil 9 and power supply, accelerates the thawing of material to form by heating, stirring is mixed
Continue to move forward in preceding head 11 after conjunction, passes through the cooling water flow in cooling tube 12 while material is squeezed out out of rear head 1
Material is cooled down.
Air inlet pipe 8 is inserted on the outer wall of head 1 afterwards, air inlet pipe 8 is located at one end in rear head 1 and the inside of runner 17
Connection, connecting pin 13 is screwed off, and air inlet pipe 8 and external air compressor are attached, slowly run in two screw rods 4
Under the premise of, the velocity of rotation of screw rod 4 can be by the connection connection with screw rod 4 again between retarder and motor, thus to screw rod 4
Revolving speed be adjusted, external air is blown into runner 17 through compression, under the action of high pressure draught, by runner 17 and
Material blowout on screw rod 4.
It further illustrates, it is above-mentioned to be fixedly connected unless specifically defined or limited otherwise, otherwise to shall be understood in a broad sense, example
Such as, it can be welding, be also possible to gluing, or be integrally formed the customary means well known to those skilled in the art such as setting.
In the utility model, before connecting pin 13 is threaded on head 11, arc panel 15 is inserted into annular groove 14, to connection
End 13 is limited, and keeps the movement of connecting pin 13 more steady, meanwhile, after being inserted by setting jag 16 inside head 1, make
Connection afterwards between head 1 and preceding head 11 is even closer, adjusts the trigger signal of flow sensor 7, opens solenoid valve 6, when
When reaching trigger signal, main controller, main controller and then the control closing of solenoid valve 6 are sent a signal to, after completing the extrusion of material,
Connecting pin 13 is screwed off, under the premise of screw rod 4 rotates, air inlet pipe 8 and external air compressor are attached, it is external
Air is blown into runner 17 through compression, and under the action of high pressure draught, the material in runner 17 and on screw rod 4 is blown out.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of handpiece structure of double screw extruder, including rear head (1) and preceding head (11), which is characterized in that before described
Head (11) and rear head (1) are threadedly coupled by connecting pin (13), there are two the inside of the preceding head (11) opens up
Runner (17) interconnected, two runners (17) are equipped with screw rod (4), two screw rod (4) intermeshings, described
Preceding head (11) far from rear head (1) one end inner wall on be fixed with mounting plate (2), opened up on the mounting plate (2) there are two
Installing port is respectively and fixedly provided with bearing (3) in each installing port, each screw rod (4) close to bearing (3) be equipped with one at
Type has elongated end, and each elongated end is plugged in one of bearing (3) and is fixedly connected with bearing (3), the rear machine
It is inserted with feed pipe on the outer wall of head (1), the upper end of the feed pipe is connected with loading hopper (5), outside the rear head (1)
It is inserted on wall air inlet pipe (8), one end that the air inlet pipe (8) is located in rear head (1) is connected to the inside of runner (17).
2. a kind of handpiece structure of double screw extruder according to claim 1, which is characterized in that the connecting pin (13)
The jag (16) being connected to rear head (1), head after jag (16) insertion are equipped with by one end of nearby head (11)
(1) inside, the rear head (1) offer annular groove (14), the connecting pin on the nearby side side wall of head (11)
(13) it is equipped with the arc panel (15) to match with annular groove (14) position.
3. a kind of handpiece structure of double screw extruder according to claim 1, which is characterized in that the feed pipe is from upper
Solenoid valve (6) and flow sensor (7) are sequentially installed under.
4. a kind of handpiece structure of double screw extruder according to claim 3, which is characterized in that the flow sensor
(7) input terminal is located at the inside of feed pipe, and the output end of the flow sensor (7) and the input terminal of external main controller connect
It connects.
5. a kind of handpiece structure of double screw extruder according to claim 1, which is characterized in that head (1) after described
Outer wall on be arranged with heating coil (9), the heating coil (9) is connect by conducting wire with external power supply, the heating coil (9) outside
It is arranged on wall thermal insulation layer (10), the thermal insulation layer (10) is made of glass fiber material.
6. a kind of handpiece structure of double screw extruder according to claim 1, which is characterized in that the preceding head (11)
Outer wall on be wound with cooling tube (12), flowing has cooling water flow in the cooling tube (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821411638.4U CN208745311U (en) | 2018-08-30 | 2018-08-30 | A kind of handpiece structure of double screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821411638.4U CN208745311U (en) | 2018-08-30 | 2018-08-30 | A kind of handpiece structure of double screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208745311U true CN208745311U (en) | 2019-04-16 |
Family
ID=66082484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821411638.4U Expired - Fee Related CN208745311U (en) | 2018-08-30 | 2018-08-30 | A kind of handpiece structure of double screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208745311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001937A (en) * | 2021-02-23 | 2021-06-22 | 姚奕卿 | Double-screw extruder for processing glass fiber reinforced polypropylene |
| CN115736088A (en) * | 2022-11-29 | 2023-03-07 | 中国农业大学 | Double-screw extrusion equipment and method for high-moisture vegetable protein |
-
2018
- 2018-08-30 CN CN201821411638.4U patent/CN208745311U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001937A (en) * | 2021-02-23 | 2021-06-22 | 姚奕卿 | Double-screw extruder for processing glass fiber reinforced polypropylene |
| CN113001937B (en) * | 2021-02-23 | 2022-05-24 | 佛山市晖泰塑料制品有限公司 | Double-screw extruder for processing glass fiber reinforced polypropylene |
| CN115736088A (en) * | 2022-11-29 | 2023-03-07 | 中国农业大学 | Double-screw extrusion equipment and method for high-moisture vegetable protein |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20210830 |