CN205705225U - A kind of cross-head - Google Patents
A kind of cross-head Download PDFInfo
- Publication number
- CN205705225U CN205705225U CN201620359279.7U CN201620359279U CN205705225U CN 205705225 U CN205705225 U CN 205705225U CN 201620359279 U CN201620359279 U CN 201620359279U CN 205705225 U CN205705225 U CN 205705225U
- Authority
- CN
- China
- Prior art keywords
- extrusion
- extruding cavity
- export
- port
- drainage screen
- 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
This utility model belongs to extruder field, a kind of cross-head, including having the crosshead body of extruding cavity, at least two group extrusion boards and at least two group drainage screens, it is provided with extrusion cavities on described extrusion board, described drainage screen and extrusion board are arranged alternately in extruding cavity, and one of which screen plate is arranged on the port of export of extruding cavity；By the entrance point of described extruding cavity to its port of export, the aperture of described drainage screen is gradually reduced, minimum near the drainage screen aperture of the port of export of described extruding cavity.Beneficial effect: use multilayer extrusion and the structure of multiple filtration in the application, can effectively filter out and material do not melts impurity, and use the drainage screen of different pore size successively to filter, prevent the problem that the impurity of a certain group of filter screen filtration too much results in blockage, make maintenance few, the single effective time is long, and filter effect is more preferable.
Description
Technical field
This utility model belongs to extruder field, particularly relates to a kind of cross-head.
Background technology
Waste or used plastics enriches in china natural resources, reclaims cheap, is help from government project, and equipment investment is few,
Production technology is simple, and therefore the recycling of China's waste or used plastics receives significant attention.Typically plastics are passed through
Broken-cleaning-heating plasticizing-extrusion forming process, produces market regeneration salable granule.But it is useless
In old plastics, the not fusant such as dust, rubber, metal fillings is the major impurity during technics of reclaim of plastic waste utilizes, if
Do not remove the use the biggest impact of formation then on regeneration granule.
Utility model content
The purpose of this utility model is that the waste or used plastics in the waste or used plastics overcoming prior art to exist is deposited
Defect at impurity, it is provided that a kind of cross-head.
This utility model solves its technical problem and be the technical scheme is that a kind of cross-head,
Including having the crosshead body of extruding cavity, at least two group extrusion boards and at least two group drainage screens, described
Being provided with extrusion cavities on extrusion board, described drainage screen and extrusion board are arranged alternately in extruding cavity, its
In one group of screen plate be arranged on the port of export of extruding cavity；Exported to it by the entrance point of described extruding cavity
End, the aperture of described drainage screen is gradually reduced, near the drainage screen aperture of the port of export of described extruding cavity
Minimum.
As preferably, for make cross-head can continuous discharge, near the described extruding cavity port of export
Drainage screen and extrusion board laminating.
As preferably, between drainage screen and the extrusion board away from the described extruding cavity port of export, there is gap.
Between drainage screen and extrusion board, form breeze way, first reached gap by the material after filter screen filtration
In, then enter next filtering area through extrusion board, reach the uniform effect of punishment in advance.
As preferably, for the ease of extrusion board and the installation and removal of drainage screen, described extrusion board and
Described drainage screen is inlaid in described extruding cavity.
As preferably, by the entrance point of described extruding cavity to its port of export, the extrusion of described extrusion board
Aperture, hole is gradually reduced, minimum near the extrusion board aperture of the port of export of described extruding cavity.Use this
Structure advantageously allows final material and is suitable for discharging, it is to avoid easy near the extrusion board of extruding cavity entrance point
Blocked problem, and ensure that final discharging is smooth and easy.
Further, the extrusion cavities near the extrusion board of the port of export of described extruding cavity includes the receipts of connection
Contracting section and discharging section, described discharging section is in communication with the outside, and described contraction section bore is gradually reduced, described
The minimum bore of discharging section bore and described contraction section equal.Due to the existence of filter screen, material passes through
During last group filter screen, material there may be gap (bubble etc.), leakiness, pass through contraction section
Material can be extruded as closely knit material, thus ensure the continuous of discharging.
Beneficial effect: use multilayer extrusion and the structure of multiple filtration in the application, it is possible to effective mistake
Filter and material do not melts impurity, and use the drainage screen of different pore size successively to filter, prevent a certain
The problem that the impurity of group filter screen filtration too much results in blockage so that maintenance is few, and single effectively works
Time is long, and filter effect is more preferable.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of preferred embodiment of the present utility model；
Fig. 2 is schematic enlarged-scale view at A in Fig. 1.
Wherein: 1. crosshead body, 11. extruding cavities, 2. extrusion board, 21. extrusion cavities, 22. contraction sections,
23. discharging sections, 3. drainage screen.
Detailed description of the invention
Embodiment
As it is shown in figure 1, a kind of cross-head, including have extruding cavity 11 crosshead body 1,
At least two group extrusion board 2 and at least two group drainage screens 3, with three groups of extrusion boards 2 and three in the present embodiment
As a example by group drainage screen 3, described extrusion board 2 is provided with extrusion cavities 21, described drainage screen 3
Being arranged alternately in extruding cavity 11 with extrusion board 2, one of which extrusion board 2 is arranged on extruding cavity 11
The port of export, fit near the drainage screen 3 of described extruding cavity 11 port of export and extrusion board 2；By institute
Stating the entrance point of extruding cavity 11 to its port of export, the aperture of described drainage screen 3 is gradually reduced, close
Drainage screen 3 aperture of the port of export of described extruding cavity 11 is minimum.
Specifically, away from drainage screen 3 and the extrusion board of described extruding cavity 11 port of export in the present embodiment
There is between 2 gap.
For the ease of installation and removal, the extrusion board 2 described in the present embodiment and described drainage screen 3
It is inlaid in described extruding cavity 11.By the entrance point of described extruding cavity 11 to its port of export, described
Extrusion cavities 21 aperture of extrusion board 2 is gradually reduced, near the extrusion of the port of export of described extruding cavity 11
Plate 2 aperture is minimum.As in figure 2 it is shown, the extrusion board 2 of the port of export of close described extruding cavity 11
Extrusion cavities 21 includes contraction section 22 and the discharging section 23 of connection, and described discharging section 23 is in communication with the outside,
Described contraction section 22 bore is gradually reduced, and described discharging section 23 bore and described contraction section 22 are
Little bore is equal, and described contraction section 22 maximum caliber is less than extrusion cavities 21 on other extrusion board 2
Bore.
During use, melted material enters in the extruding cavity 11 of cross-head, through respectively through
First group of drainage screen 3 filter, first group of extrusion board 2 is extruded, second group of drainage screen 3 filters, second
Group extrusion board 2 extrusion filters with the 3rd group of drainage screen 3, the 3rd group of extrusion board 2 is extruded, and reaches successively
The effect filtered, and use the aperture of drainage screen 3 to be gradually reduced and gradually subtract with extrusion cavities 21 bore
Little setting, can reach and successively filter, and the impurity preventing a certain group of drainage screen 3 from filtering too much is made
The problem becoming blocking；It addition, the 3rd group of extrusion board 2 (near the extrusion board 2 of extruding cavity 11 port of export)
First section of extrusion cavities 21 in contraction-like, it is possible to get rid of the bubble in material so that material compacting, from
And make discharging the most uninterrupted.
Should be appreciated that specific embodiment described above is only used for explaining this utility model, and need not
In limiting this utility model.The obvious change extended out by spirit of the present utility model or change
Move among still in protection domain of the present utility model.
Claims (6)
1. a cross-head, it is characterised in that: include the head master with extruding cavity (11)
Body (1), at least two group extrusion boards (2) and at least two group drainage screens (3), described extrusion board (2)
On be provided with extrusion cavities (21), described drainage screen (3) and extrusion board (2) are in extruding cavity (11)
Inside being arranged alternately, one of which extrusion board (2) is arranged on the port of export of extruding cavity (11)；By institute
The entrance point stating extruding cavity (11) is gradually reduced to its port of export, the aperture of described drainage screen (3),
Minimum near drainage screen (3) aperture of the port of export of described extruding cavity (11).
Cross-head the most according to claim 1, it is characterised in that: near described extrusion
The drainage screen (3) of chamber (11) port of export and extrusion board (2) laminating.
Cross-head the most according to claim 2, it is characterised in that: away from described extrusion
Between drainage screen (3) and the extrusion board (2) of chamber (11) port of export, there is gap.
Cross-head the most according to claim 1, it is characterised in that: described extrusion board
(2) it is inlaid in described extruding cavity (11) with described drainage screen (3).
Cross-head the most according to claim 1, it is characterised in that: by described extruding cavity
(11) entrance point to its port of export, extrusion cavities (21) aperture of described extrusion board (2) by
The least, minimum near extrusion board (2) aperture of the port of export of described extruding cavity (11).
Cross-head the most according to claim 1, it is characterised in that: near described extrusion
The extrusion cavities (21) of the extrusion board (2) of the port of export in chamber (11) includes the contraction section (22) of connection
With discharging section (23), described discharging section (23) is in communication with the outside, described contraction section (22) bore
Being gradually reduced, described discharging section (23) bore is equal with the bore of described contraction section (22) minimum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620359279.7U CN205705225U (en) | 2016-04-26 | 2016-04-26 | A kind of cross-head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620359279.7U CN205705225U (en) | 2016-04-26 | 2016-04-26 | A kind of cross-head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205705225U true CN205705225U (en) | 2016-11-23 |
Family
ID=57294392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620359279.7U Expired - Fee Related CN205705225U (en) | 2016-04-26 | 2016-04-26 | A kind of cross-head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205705225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042623A (en) * | 2017-03-30 | 2017-08-15 | 湖北统领塑胶科技有限公司 | Double-deck reducing flow distribution plate filtered connectors |
-
2016
- 2016-04-26 CN CN201620359279.7U patent/CN205705225U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042623A (en) * | 2017-03-30 | 2017-08-15 | 湖北统领塑胶科技有限公司 | Double-deck reducing flow distribution plate filtered connectors |
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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 |
Granted publication date: 20161123 Termination date: 20210426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |