CN206967922U - A kind of screw extrusion device - Google Patents
A kind of screw extrusion device Download PDFInfo
- Publication number
- CN206967922U CN206967922U CN201720569468.1U CN201720569468U CN206967922U CN 206967922 U CN206967922 U CN 206967922U CN 201720569468 U CN201720569468 U CN 201720569468U CN 206967922 U CN206967922 U CN 206967922U
- Authority
- CN
- China
- Prior art keywords
- feeding cylinder
- section
- extruded tube
- thermal insulation
- insulation layer
- 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
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of screw extrusion device, including feeding cylinder and extruded tube, feed worm is provided with feeding cylinder, charging aperture is additionally provided with feeding cylinder, tracheae is installed on feeding cylinder inwall, multiple air nozzles are installed on tracheae, one end of feeding cylinder is connected with the side of extruded tube, extruded tube includes splicing section, bringing-up section and the extrusion screw rod in extruded tube, thermal insulation layer is provided between splicing section and bringing-up section, extrusion screw rod passage is provided among thermal insulation layer, cooling-water duct is additionally provided with thermal insulation layer.A kind of screw extrusion apparatus of the present utility model, the cooling water recirculation system set on the thermal insulation layer and thermal insulation layer set between splicing section and bringing-up section, reduce transmission of the heat of bringing-up section to splicing section and feeding cylinder, prevent the generation blocked, the tracheae and air nozzle set on feeding cylinder can be in feeding cylinder due to carrying out jet cooling during operating generation heat, the cleaning balde set in extruded tube clears up the adhesive on screw rod automatically, simple and convenient.
Description
Technical field
The utility model belongs to the machinery equipment field used during Chemical Manufacture, more particularly to a kind of screw extrusion device.
Background technology
Screw extruder is plastic products common equipment, and it is that will be squeezed after the heated plasticizing of the plastic grain of solid-state that it, which is acted on,
Go out, be expressed in extrusion model and be molded, the shape of final products is fixed by model.Raw material is plastified again through screw extruding shearing
Shaping.Existing frequently-used screw extruder, which is divided into, crushes section and fluxing zone, and it is for feed particles are squeezed by screw rod to crush section
Press-powder is broken, and the raw material of crushing then is sent into fluxing zone again, typically will the extraneous modeling for heating auxiliary material in order to preferably plastify
Change, that such case is easy for producing following problem：First, the heat transfer of fluxing zone particularly crushes section to section is crushed
The part to connect with fluxing zone, the material of this part are easy to plasticizing and bonded, and produce blocking.Second, in fluxing zone due to being heated not
Produce bulk to bond, readily bond on screw rod, producing to block influences production.
In view of the above-mentioned problems, propose the utility model.
Utility model content
The purpose of this utility model is to provide a kind of screw extrusion device.
To realize above-mentioned purpose of utility model, the technical solution of the utility model is：A kind of screw extrusion device, including enter
Barrel and extruded tube, it is characterised in that feed worm is provided with feeding cylinder, one end of feed worm is provided with charging motor,
Charging aperture is additionally provided with feeding cylinder, tracheae is installed on feeding cylinder inwall, several air nozzles are installed on tracheae, the one of feeding cylinder
End is connected with the side of extruded tube, and extruded tube includes splicing section and bringing-up section, and splicing section is located at feeding cylinder lower end, set in extruded tube
There is extrusion screw rod, one end of extrusion screw rod is provided with extrusion motor, thermal insulation layer, thermal insulation layer are provided between splicing section and bringing-up section
Centre is provided with extrusion screw rod passage, cooling-water duct is additionally provided with thermal insulation layer, the entrance and exit of cooling-water duct is located at extrusion
On cylinder.
Further, several cylinders are installed on extruded tube inwall, cleaning balde, the cleaning are installed on each cylinder
Scraper plate is between screw flight.
Further, air nozzle direction is consistent with the raw material direction of motion.
The beneficial effects of the utility model are：
A kind of screw extrusion apparatus of the present utility model, on the thermal insulation layer and thermal insulation layer set between splicing section and bringing-up section
The cooling water recirculation system of setting, transmission of the heat of bringing-up section to splicing section and feeding cylinder is substantially reduced, prevent what is blocked
Occur, the tracheae and air nozzle set on feeding cylinder can squeeze in feeding cylinder due to carrying out jet cooling during operating generation heat
Go out the adhesive that the cleaning balde set on cylinder is cleared up on screw rod automatically, it is simple and convenient.
Brief description of the drawings
When considered in conjunction with the accompanying drawings, by referring to following detailed description, it can more completely more fully understand that this practicality is new
Type and easily learn many of which with the advantages of, but accompanying drawing described herein be used for provide to it is of the present utility model enter one
Step understands, forms a part of the present utility model, and schematic description and description of the present utility model is used to explain this practicality
It is new, do not form to improper restriction of the present utility model, wherein：
Fig. 1 is a kind of screw extrusion apparatus structure schematic diagram of the present utility model；
Fig. 2 is a kind of screw extrusion device insulating layer structure schematic diagram of the present utility model；
In figure：1- feeding cylinders, 2- feed worms, 3- charging motors, 4- charging apertures, 5- tracheaes, 6- air nozzles, 7- add
Hot arc, 8- extrusion motors, 9- extrusion screw rods, 10- cylinders, 11- cleaning baldes, 12- thermal insulation layers, 13- splicing sections.
Embodiment
Below in conjunction with accompanying drawing to the utility model, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation describes.
As shown in Figure 1-2, a kind of screw extrusion device, including feeding cylinder 1 and extruded tube, feeding cylinder 1 is interior to be provided with charging spiral shell
Bar 2, one end connection of feed worm 2 feed motor 3, are additionally provided with charging aperture 4 on feeding cylinder 1, are installed on feeding cylinder inwall
There is tracheae 5, multiple air nozzles 6 are installed on tracheae 5, one end of feeding cylinder 1 is connected with the side of extruded tube, and extruded tube includes
Splicing section 13, bringing-up section 7, splicing section 13 are located at feeding cylinder lower end, extrusion screw rod 9, one end of extrusion screw rod 9 are provided with extruded tube
Provided with extrusion motor 8, thermal insulation layer 12 is provided between splicing section 13 and bringing-up section 7, extrusion screw rod is provided among thermal insulation layer 12
Passage, cooling-water duct is additionally provided with thermal insulation layer 12, the entrance and exit of cooling-water duct in extruded tube, cooling water from
Entrance enters, and is come out after being exchanged heat in thermal insulation layer from outlet.
Thermal insulation layer is made up of the metallic plate with effect of heat insulation or ceramic material, and thermal insulation layer is provided with the cooling that can be circulated
The setting of cooling water recirculation system effectively reduces bringing-up section heat to splicing section and entered on water system, thermal insulation layer and thermal insulation layer
Barrel direction is transmitted, and is always prevented the feed particles softening for being introduced into bringing-up section from bonding, always be ensure that the normal operation of production.
The setting of tracheae and air nozzle on feeding cylinder, it timely jet can cool when feed worm acts and produces amount of heat, prevent
Raw material softens felt jam in advance, influences to produce.
More excellent technical schemes, multiple cylinders 10 are installed on extruded tube inwall, cleaning balde 11 is installed on cylinder 10,
Cleaning balde 11 is between screw flight.When there are blocking different phenomenons, start cylinder, can be with timely automated cleaning
The raw material bonded on screw rod is time saving and energy saving.
More excellent technical scheme, for air nozzle 6 towards consistent with the raw material direction of motion, cooling-down effect is more preferable.
In summary, a kind of screw extrusion apparatus of the present utility model, the thermal insulation layer set between splicing section and bringing-up section
And the cooling water recirculation system set on thermal insulation layer, transmission of the heat of bringing-up section to splicing section and feeding cylinder is substantially reduced,
The generation blocked is prevented, the tracheae and air nozzle set on feeding cylinder can be in feeding cylinder due to being sprayed during operating generation heat
Gas cools, the adhesive that the cleaning balde set in extruded tube is cleared up on screw rod automatically, simple and convenient.
Claims (3)
1. a kind of screw extrusion device, including feeding cylinder (1) and extruded tube, it is characterised in that charging spiral shell is provided with feeding cylinder (1)
Bar (2), one end of feed worm (2) are provided with charging motor (3), charging aperture (4), feeding cylinder are additionally provided with feeding cylinder (1)
(1) tracheae (5) is installed on inwall, multiple air nozzles (6) are installed on tracheae (5), one end of feeding cylinder (1) and extruded tube
Side is connected, and extruded tube includes splicing section (13) and bringing-up section (7), and splicing section (13) is located at feeding cylinder (1) lower end, in extruded tube
Extrusion screw rod (9) is additionally provided with, one end of extrusion screw rod (9) is provided with extrusion motor (8), splicing section (13) and bringing-up section (7)
Between be provided with thermal insulation layer (12), is provided with extrusion screw rod passage among thermal insulation layer (12), being additionally provided with cooling water on thermal insulation layer (12) leads to
Road, the entrance and exit of cooling-water duct is in extruded tube.
2. a kind of screw extrusion device according to claim 1, it is characterised in that several gas are provided with extruded tube inwall
Cylinder (10), cleaning balde (11) is installed on cylinder (10), the cleaning balde (11) is between screw flight.
3. a kind of screw extrusion device according to claim 2, it is characterised in that air nozzle (6) direction and raw material
The direction of motion is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720569468.1U CN206967922U (en) | 2017-05-22 | 2017-05-22 | A kind of screw extrusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720569468.1U CN206967922U (en) | 2017-05-22 | 2017-05-22 | A kind of screw extrusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206967922U true CN206967922U (en) | 2018-02-06 |
Family
ID=61409633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720569468.1U Expired - Fee Related CN206967922U (en) | 2017-05-22 | 2017-05-22 | A kind of screw extrusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206967922U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605709A (en) * | 2018-12-17 | 2019-04-12 | 重庆平祥塑料有限公司 | A kind of plastic extruder |
| CN110760146A (en) * | 2019-11-06 | 2020-02-07 | 安徽玉发塑业有限公司 | High strength CPVC high voltage electricity protecting pipe |
| CN113427736A (en) * | 2021-06-23 | 2021-09-24 | 泉州中宝鞋材有限公司 | Hot melt adhesive extruder |
-
2017
- 2017-05-22 CN CN201720569468.1U patent/CN206967922U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605709A (en) * | 2018-12-17 | 2019-04-12 | 重庆平祥塑料有限公司 | A kind of plastic extruder |
| CN110760146A (en) * | 2019-11-06 | 2020-02-07 | 安徽玉发塑业有限公司 | High strength CPVC high voltage electricity protecting pipe |
| CN113427736A (en) * | 2021-06-23 | 2021-09-24 | 泉州中宝鞋材有限公司 | Hot melt adhesive extruder |
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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: 20180206 Termination date: 20200522 |