CN205021957U - Double screw extruder die head is used in plastic granules production - Google Patents
Double screw extruder die head is used in plastic granules production Download PDFInfo
- Publication number
- CN205021957U CN205021957U CN201520646256.XU CN201520646256U CN205021957U CN 205021957 U CN205021957 U CN 205021957U CN 201520646256 U CN201520646256 U CN 201520646256U CN 205021957 U CN205021957 U CN 205021957U
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- nib
- die head
- shaping bar
- plastic
- screw extruder
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a double screw extruder die head is used in plastic granules production, the aircraft nose including can with the die head body of double screw extruder aircraft nose rigid coupling, location guide slot, recess formula runner, nib and shaping bar plastics backup pad, the inboard middle system of die head body has the location guide slot of the radial orientation of connection aircraft nose, the system has the recess formula runner of balanced die head pressure in the middle of the bottom of location guide slot, it has the multirow nib to parallel parallel system along vertical direction on recess formula runner, all outwards be equipped with a shaping bar plastics backup pad along radial orientation on each die head body of arranging the below of nib, arrange with each in this shaping bar plastics backup pad that each nib on nib is corresponding to be provided with many shaping bar plastics output recesses. This extruder die head design science, convenient to use, simple structure have improved the efficiency of extruding of extruder, have practiced thrift manpower and material resources, guarantee and have improved the off -the -shelf quality of plastic granules.
Description
Technical field
The utility model belongs to plastic grain manufacturing and processing equipment technical field, especially a kind of plastic grain production double screw extruder die head.
Background technology
Plastic grain double screw extruder is mainly used in one or more plastic grain melt blending modifications processing, by twin-screw in the same way or rotate backward, realize the heating and melting to plastic grain, promote that between fused mass, various chain reaction is fully carried out in melt flows process, the melt-processed simultaneously realizing plastics is shaping.The double screw extruder of current industrial use, the die head etc. comprising barrel fuselage, filter plate, power motor, head, oil pump, twin-screw and extrude.In production process, material is carried out premix, then extruded by double screw extruder, in extrusion, a very important link needs to make plastic shaping through die head exactly, rational double screw extruder die design is very large on plastic shaping impact, can have influence on the quality of plastic particle finished products.
The nib of current twin-screw extrusion machine head is mostly that a row designs, due to the limited width of head, if nib is only designed to a row, It greatly reduces the extrusion efficiency of double screw extruder, waste a large amount of manpowers and material resources simultaneously, improve the production cost of enterprise.
By retrieval, not yet find the patent publication us relevant to present patent application.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art part, a kind of design science is provided, easy to use, structure is simple, improve the extrusion efficiency of extruder, save manpower and material resources, ensured and improve the plastic grain production double screw extruder die head of the quality of plastic particle finished products.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of plastic grain is produced and is used double screw extruder die head, described head comprises die head body that can be affixed with twin-screw extrusion machine head, locating channel, fluted flow channels, nib and shaping bar plastic gripper shoe, the locating channel of the radial direction connecting head is shaped with in the middle of the inner side of described die head body, the fluted flow channels of balance die pressure is shaped with in the middle of the bottom of locating channel, in fluted flow channels, vertically side-by-side parallel is shaped with and arranges nib more, the die head body of the below of each row's nib is all radially outwards provided with a shaping bar plastic gripper shoe, correspondingly with each nib that each is arranged on nib in this shaping bar plastic gripper shoe be provided with many shaping bar plastics and export groove, the shaping bar plastic of shape after forming out through nib that this shaping bar plastic exports groove matches setting, the afterbody that this shaping bar plastic exports groove is the arc shape of downward-sloping setting.
The diameter of each row's nib described is all not identical, the stove bolt that each row's nib is all arranged by detachably matching carries out closed or open-minded to it, described nib comprises exit orifice, endoporus and internal thread, described nib is shaped with exit orifice and endoporus from outside to inside successively, the diameter of described exit orifice is greater than the diameter of endoporus, and the hole wall in described exit orifice is provided with internal thread.
And the quantity of described many row's nibs is two rows.
Advantage of the present utility model and good effect are:
1, this extruder die head is provided with many row's nibs and shaping bar plastic gripper shoe, and the setting of many row's nibs, makes, when the width of head is certain, to improve the quantity of nib, therefore can improve the extrusion efficiency of double screw extruder, in addition, because nib is set to many rows, on, the shaping bar plastic of lower row after nib forms out is when inputting to cooling device, easily be intertwined, corresponding pressure or frictional force etc. can be produced mutually, because the shaping bar plastic after forming out through nib is just shaping, shape is not also stablize especially, interact between each, very easily there is the distortion of shaping bar plastic, thus the quality of final plastic grain product is affected, the setting of shaping bar plastic gripper shoe, make the shaping bar plastic after nib forms out export groove along respective shaping bar plastic to export forward, not only avoid the contact each other of shaping bar plastic and be intertwined, and it is in the process exported, extend the time that shaping bar plastic is shaping, make the sizing of each shaping bar plastic more stable, the afterbody of shaping bar plastic output groove is the arc shape of downward-sloping setting, shaping bar plastic is made to export when groove exports comparatively soft from shaping bar plastic, the shape of shaping bar plastic can not be destroyed, ensure and improve the quality of plastic particle finished products, manpower and material resources are saved, reduce the production cost of enterprise.
2, the diameter of each row's nib of this extruder die head is all not identical, the stove bolt that each row's nib is all arranged by detachably matching carries out closed or open-minded to it, in use, according to actual needs, from die internal, it is closed not needing a few row's nibs used by stove bolt, make the plastics of melting from needing shaping the nib of large small-bore extruding, this kind of structure makes user can carry out using row's nib of respective diameters size according to actual needs, often need not change die head, very convenient, the diameter of exit orifice is greater than the diameter of endoporus, after plastics are extruded from endoporus, its modification can not be made due to the internal thread in exit orifice or resistance is produced to it, ensure that the quality of product.
Accompanying drawing explanation
Fig. 1 is anatomical connectivity schematic diagram of the present utility model;
Fig. 2 is the anatomical connectivity schematic diagram of shaping bar plastic gripper shoe in Fig. 1;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the top view of Fig. 2;
Fig. 5 is the longitudinal cross-section sectional view of nib in Fig. 1.
Detailed description of the invention:
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
The structure do not described in detail in present patent application, annexation and method, all can be understood as the common practise in this area.
A kind of plastic grain is produced and is used double screw extruder die head, as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, described head comprises die head body 1 that can be affixed with twin-screw extrusion machine head, locating channel 2, fluted flow channels 3, nib 4 and shaping bar plastic gripper shoe 5, the locating channel of the radial direction connecting head is shaped with in the middle of the inner side of described die head body, the fluted flow channels of balance die pressure is shaped with in the middle of the bottom of locating channel, in fluted flow channels, vertically side-by-side parallel is shaped with and arranges nib more, be two row's nibs in the present embodiment, the die head body of the below of each row's nib is all radially outwards provided with a shaping bar plastic gripper shoe, correspondingly with each nib that each is arranged on nib in this shaping bar plastic gripper shoe be provided with many shaping bar plastics and export groove 6, the shaping bar plastic of shape after forming out through nib that this shaping bar plastic exports groove matches setting, the afterbody that this shaping bar plastic exports groove is the arc shape 7 of downward-sloping setting.
This extruder die head is provided with many row's nibs and shaping bar plastic gripper shoe, and the setting of many row's nibs, makes, when the width of head is certain, to improve the quantity of nib, therefore can improve the extrusion efficiency of double screw extruder, in addition, because nib is set to many rows, on, the shaping bar plastic of lower row after nib forms out is when inputting to cooling device, easily be intertwined, corresponding pressure or frictional force etc. can be produced mutually, because the shaping bar plastic after forming out through nib is just shaping, shape is not also stablize especially, interact between each, very easily there is the distortion of shaping bar plastic, thus the quality of final plastic grain product is affected, the setting of shaping bar plastic gripper shoe, make the shaping bar plastic after nib forms out export groove along respective shaping bar plastic to export forward, not only avoid the contact each other of shaping bar plastic and be intertwined, and it is in the process exported, extend the time that shaping bar plastic is shaping, make the sizing of each shaping bar plastic more stable, the afterbody of shaping bar plastic output groove is the arc shape of downward-sloping setting, shaping bar plastic is made to export when groove exports comparatively soft from shaping bar plastic, the shape of shaping bar plastic can not be destroyed, ensure and improve the quality of plastic particle finished products, manpower and material resources are saved, reduce the production cost of enterprise.
In the present embodiment, the diameter of each row's nib described is all not identical, the stove bolt that each row's nib is all arranged by detachably matching carries out closed or open-minded to it, as shown in Figure 5, described nib comprises exit orifice 9, endoporus 10 and internal thread 8, and described nib is shaped with exit orifice and endoporus from outside to inside successively, and the diameter of described exit orifice is greater than the diameter of endoporus, hole wall in described exit orifice is provided with internal thread, is used for carrying out screw-threaded engagement installation with stove bolt.In use, according to actual needs, from die internal, it is closed not needing a few row's nibs used by stove bolt (not shown), make the plastics of melting from needing shaping the nib of large small-bore extruding, this kind of structure makes user can carry out using row's nib of respective diameters size according to actual needs, often need not change die head, very convenient, the diameter of exit orifice is greater than the diameter of endoporus, after plastics are extruded from endoporus, its modification can not be made due to the internal thread in exit orifice or resistance is produced to it, ensure that the quality of product.
Claims (3)
1. a plastic grain is produced and is used double screw extruder die head, it is characterized in that: described die head comprises die head body that can be affixed with twin-screw extrusion machine head, locating channel, fluted flow channels, nib and shaping bar plastic gripper shoe, the locating channel of the radial direction connecting head is shaped with in the middle of the inner side of described die head body, the fluted flow channels of balance die pressure is shaped with in the middle of the bottom of locating channel, in fluted flow channels, vertically side-by-side parallel is shaped with and arranges nib more, the die head body of the below of each row's nib is all radially outwards provided with a shaping bar plastic gripper shoe, correspondingly with each nib that each is arranged on nib in this shaping bar plastic gripper shoe be provided with many shaping bar plastics and export groove, the shaping bar plastic of shape after forming out through nib that this shaping bar plastic exports groove matches setting, the afterbody that this shaping bar plastic exports groove is the arc shape of downward-sloping setting.
2. plastic grain production double screw extruder die head according to claim 1, it is characterized in that: the diameter of each row's nib described is all not identical, the stove bolt that each row's nib is all arranged by detachably matching carries out closed or open-minded to it, described nib comprises exit orifice, endoporus and internal thread, described nib is shaped with exit orifice and endoporus from outside to inside successively, the diameter of described exit orifice is greater than the diameter of endoporus, and the hole wall in described exit orifice is provided with internal thread.
3. plastic grain production double screw extruder die head according to claim 1 and 2, is characterized in that: the quantity of described many row's nibs is two rows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646256.XU CN205021957U (en) | 2015-08-25 | 2015-08-25 | Double screw extruder die head is used in plastic granules production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646256.XU CN205021957U (en) | 2015-08-25 | 2015-08-25 | Double screw extruder die head is used in plastic granules production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205021957U true CN205021957U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520646256.XU Expired - Fee Related CN205021957U (en) | 2015-08-25 | 2015-08-25 | Double screw extruder die head is used in plastic granules production |
Country Status (1)
| Country | Link |
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| CN (1) | CN205021957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214971A (en) * | 2018-03-19 | 2018-06-29 | 浙江恒烨新材料科技有限公司 | One kind has the property improved Masterbatch production equipment |
-
2015
- 2015-08-25 CN CN201520646256.XU patent/CN205021957U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214971A (en) * | 2018-03-19 | 2018-06-29 | 浙江恒烨新材料科技有限公司 | One kind has the property improved Masterbatch production equipment |
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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: 20160210 Termination date: 20160825 |