CN208881127U - A kind of plastic extruder die head - Google Patents
A kind of plastic extruder die head Download PDFInfo
- Publication number
- CN208881127U CN208881127U CN201821122714.XU CN201821122714U CN208881127U CN 208881127 U CN208881127 U CN 208881127U CN 201821122714 U CN201821122714 U CN 201821122714U CN 208881127 U CN208881127 U CN 208881127U
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- China
- Prior art keywords
- screw rod
- extrusion screw
- die head
- extruder die
- plastic extruder
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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.)
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of plastic extruder die head; including the sleeve that discharges; extrusion screw rod and end cap; extrusion screw rod is placed in discharging sleeve; end couples with motor, and end cap is mounted on the discharge end of discharging sleeve, and center has aperture greater than the discharge hole of the outer diameter of extrusion screw rod; the extrusion screw rod end is equipped with the protection board of hemisphere face structure, and diameter is consistent with extrusion screw rod outer diameter.The utility model provides a kind of plastic extruder die head, and protection board is arranged in extrusion screw rod end, not only ensures to discharge smooth, the sizing material of high temperature can also be prevented to be bonded in screw rod end and cause stain.
Description
Technical field
The utility model relates to a kind of extruder more particularly to a kind of plastic extruder die heads.
Background technique
Plasthetics be in daily life it is most common, such as in household electrical appliance, instrument and meter, construction equipment, automobile work
The various fields such as industry, haberdashery and hardware, the communication apparatus and medical instrument, the use ratio of plasthetics rapidly increase.This
Mainly have following reason: the first, plastic cement is easily worked compared with metal material, and high production efficiency is energy saving, insulating properties
Can be good, relative density is about 1.0-1.4, half lighter than aluminium, and it is lighter than steel by 3/4, there is wear-resisting, corrosion resistance outstanding；The second,
In daily and industrial products, a reasonable plasthetics of design tends to replace multiple conventional metal frames parts, in addition
The distinctive property of utilizing works plastics, shape that can be extremely complex with one-pass molding, and can also be designed to clamping structure, thus
The various fasteners assembled in product are reduced, metal material consumption and processing and assembly man-hour are reduced.
The process of injection-molded item is obtained, referred to as injection molding is perhaps injection moulded or is simply referred to as to be molded.Note
Moulding molding basic process is: granular high molecular material (hereinafter referred to as plastics) passes through the extruding and heating of extruder,
The melt that can be flowed as molten condition.
Since the plastic cement at extruder die head is to form molten condition by high-temperature heating, it is being easy after Screw Extrusion
In screw front end sizing, carbonization is easy later over time to form stain in screw rod end, to cause subsequent sizing material
Defect rate needed to carry out shutdown cleaning for the case where stain, not only wastes sizing material and more increases manual cleaning cost.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of plastic extruder die head, are squeezing out
Screw rod end be arranged protection board, not only ensure to discharge smooth, can also prevent the sizing material of high temperature be bonded in screw rod end cause it is black
Point.
To achieve the above object, the utility model proposes following technical solutions:
A kind of plastic extruder die head, including discharging sleeve, extrusion screw rod and end cap, extrusion screw rod are placed in discharging sleeve
Interior, end couples with motor, and end cap is mounted on the discharge end of discharging sleeve, the outer diameter that there is aperture to be greater than extrusion screw rod at center
Discharge hole, the extrusion screw rod end is equipped with the protection board of hemisphere face structure, and diameter is consistent with extrusion screw rod outer diameter.
Preferably, having first to squeeze out screw thread on the extrusion screw rod outer wall, and have second on the sleeve lining that discharges
Squeeze out screw thread.
Preferably, the discharging sleeve outer wall has annular groove, and electromagnetic heating coil is wound in annular groove, to discharging
Sleeve inner is heated.
Preferably, the discharging cartridge exterior is enclosed with insulating layer.
Preferably, the discharging sleeve other side is equipped with material bin connection discharging sleeve inner.
Compared with prior art, a kind of plastic extruder die head that the utility model discloses, has the following beneficial effects:
Protection board is arranged in extrusion screw rod end, and selects xx material, and the sizing material under molten condition can be effectively prevented and be bonded in screw rod end
Portion, so that stain will not be formed, effectively save cost；
Protection board is arranged to semicircle spherical structure, it is ensured that sizing material smoothly discharges, and is not in the situation that gets stuck.
Detailed description of the invention
Fig. 1 is the side sectional view of the utility model.
Specific embodiment
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model embodiment is carried out clear, complete
Description.
As shown in Figure 1, the revealed plastic extruder die head of the utility model, including discharging sleeve 1, extrusion screw rod 2 with
And end cap 3.
Particularly, the feed end of the discharging sleeve is equipped with the connection discharging sleeve inner of material bin 4, and discharge sleeve outer wall
It is wound with electromagnetic heating coil 6 with annular groove 5, and in annular groove, discharging sleeve inner is heated, outside the discharging sleeve
Portion is enclosed with insulating layer 7.
The end cap is mounted on the discharge end of discharging sleeve, and center has aperture greater than the discharging of the outer diameter of extrusion screw rod
Hole.
The extrusion screw rod 2 is placed in discharging sleeve 1, and one end couples with motor, and the other end extends at end cap, and is squeezed out
The end of screw rod 2 is equipped with the protection board 8 of hemisphere face structure, and diameter is consistent with extrusion screw rod outer diameter, and protection board material is iron
Fluorine dragon.
Have first to squeeze out screw thread 9 on the extrusion screw rod outer wall, and has second to squeeze out screw thread on the sleeve lining that discharges
10, screw thread and second, which is squeezed out, by first squeezes out the mutual cooperation of screw thread so that sizing material moves forward to discharge end.
The technology contents and technical characteristic of the utility model have revealed that as above, however those skilled in the art still may be used
Can teaching based on the utility model and announcement and make various replacements and modification without departing substantially from the spirit of the present invention, therefore, this
Utility model protection range should be not limited to the revealed content of embodiment, and should include the various replacements without departing substantially from the utility model
And modification, and covered by present patent application claim.
Claims (5)
1. a kind of plastic extruder die head, it is characterised in that: including the sleeve that discharges, extrusion screw rod and end cap, extrusion screw rod are set
In in discharging sleeve, end couples with motor, and end cap is mounted on the discharge end of discharging sleeve, and there is aperture to be greater than extrusion at center
The discharge hole of the outer diameter of screw rod, the extrusion screw rod end are equipped with the protection board of hemisphere face structure, outside diameter and extrusion screw rod
Diameter is consistent.
2. a kind of plastic extruder die head according to claim 1, it is characterised in that: have on the extrusion screw rod outer wall
There is the first extrusion screw thread, and has second to squeeze out screw thread on the sleeve lining that discharges.
3. a kind of plastic extruder die head according to claim 1, it is characterised in that: the discharging sleeve outer wall has ring
Shape slot, and electromagnetic heating coil is wound in annular groove, discharging sleeve inner is heated.
4. a kind of plastic extruder die head according to claim 3, it is characterised in that: the discharging cartridge exterior is enclosed with
Insulating layer.
5. a kind of plastic extruder die head according to claim 1, it is characterised in that: the discharging sleeve other side is equipped with
Material bin connection discharging sleeve inner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821122714.XU CN208881127U (en) | 2018-07-16 | 2018-07-16 | A kind of plastic extruder die head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821122714.XU CN208881127U (en) | 2018-07-16 | 2018-07-16 | A kind of plastic extruder die head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208881127U true CN208881127U (en) | 2019-05-21 |
Family
ID=66506658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821122714.XU Active CN208881127U (en) | 2018-07-16 | 2018-07-16 | A kind of plastic extruder die head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208881127U (en) |
-
2018
- 2018-07-16 CN CN201821122714.XU patent/CN208881127U/en active Active
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| GR01 | Patent grant |