CN203650930U - Novel discharging tray - Google Patents
Novel discharging tray Download PDFInfo
- Publication number
- CN203650930U CN203650930U CN201320854706.5U CN201320854706U CN203650930U CN 203650930 U CN203650930 U CN 203650930U CN 201320854706 U CN201320854706 U CN 201320854706U CN 203650930 U CN203650930 U CN 203650930U
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- discharge opening
- little
- novel discharging
- described discharge
- length
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Abstract
The utility model provides a novel discharging tray. Discharging holes are uniformly formed in the novel discharging tray and comprise large pore paths and small pore paths, and the large pore paths are connected with the small pore paths by virtue of chamfers. The novel discharging tray is characterized in that the discharging holes in different specifications are formed in the discharging tray and are provided with the small pore paths with different lengths. The novel discharging tray has the advantages that the discharging holes are transformed, so that discharged particles are consistent in length and the cost performance of an extruding machine is enhanced.
Description
Technical field
The utility model relates to a kind of discharge port plate, relates in particular to a kind of discharge port plate for extruder.
Background technology
What present domestic extruder adopted in the time producing is discharge port plate as depicted in figs. 1 and 2, now take five circle discharge openings as example, be respectively first lap discharge opening (1), the second circle discharge opening (2), the 3rd circle discharge opening (3), the 4th circle discharge opening (4), the 5th circle discharge opening (5), discharge opening on discharge port plate is made up of two parts, near the macropore (6) of extruder screw end and the little duct (7) of the other end, the chamfering by 60 ° in the middle of both connects.The length in little duct is what fix, and raw material produces certain pressure by the extruding of screw rod, extrudes from discharge opening, and the blade that rotation is equipped with in one end, aperture road cuts off the raw material of extruded stock, becomes particle.The diameter in little duct determines the diameter of particle, the speed of blade rotation determines the length (pressure of extruding remains unchanged) of particle, as shown in Figure 3, because raw material (8) produces certain pressure in extruder inside by the extruding of screw rod (9), the pressure of its generation is regular variation along the diametric(al) of discharge port plate (10).The 3rd to iris out the mobility of material hole site place raw material best, suffered power maximum, the pressure producing is also maximum, this is because in the time that raw material approaches cylindrical shell (11) inner surface or approach circumferential surface foremost of screw rod, surface can produce a damping action to raw material, cause the flow velocity of raw material greatly to reduce, first lap discharge opening and the 5th is irised out the raw material poor fluidity at material hole site place.Therefore, flow velocity and pressure in the time that raw material enters into discharge opening (12) are different, cause the length of particle also inconsistent, the inconsistent meeting of particle length causes the outward appearance of product not exquisite, can produce the certain impact raw material of injection machine (after the particle processing as) to follow-up production simultaneously.
Therefore, instantly need the urgent technical problem solving to be exactly: a kind of effective measures of proposition how can innovate, to solve discharging particle length inconsistence problems, thereby meet the demand of practical application.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of novel discharging dish, and the length that achieves discharging particle is consistent.
For achieving the above object, the technical solution of the utility model is: a kind of novel discharging dish, on discharge port plate, be evenly equipped with discharge opening, described discharge opening comprises macropore and little duct, described macropore is connected by chamfering with little duct, it is characterized in that, the discharge opening of different size is set on described discharge port plate, the described discharge opening of different size arranges the little duct of different length.
Preferably, described discharge port plate is arranged in multi-turn structure by described discharge opening.
Preferably, the little orifice throat length of described discharge opening is increased progressively as outer ring gradually by the inner ring of described multi-turn structure.
Preferably, the little orifice throat length of described discharge opening is successively decreased as outer ring gradually by the inner ring of described multi-turn structure.
Preferably, the little orifice throat length of described discharge opening is first increased afterwards and subtracts as outer ring by the inner ring of described multi-turn structure.
Preferably, the little orifice throat length of described discharge opening first subtracts rear increasing by the inner ring of described multi-turn structure as outer ring.
The utility model, by the discharge port plate of extruder being managed to material analysis, has done rational improvement to the discharge opening of discharge port plate, reaches and makes discharging particle length consistent, has promoted the cost performance of extruder, has also met the needs of different field.
Accompanying drawing explanation
Fig. 1 is discharge port plate front view in background technology;
Fig. 2 is discharge port plate cutaway view in background technology;
Fig. 3 is that raw material is extruded force analysis figure;
Fig. 4 is the structural representation of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and example, the utility model is described in further detail.But example is not as to restriction of the present utility model.
Now analyze the moving situation of raw material in discharging opening inside, raw material enters into macropore by certain pressure, when it flows to exit, when aperture road, due to the variation of diameter, area of passage diminishes, pressure strengthens rapidly, and when diameter reaches certain hour (being generally 2.5-3mm), now the tube wall at minor diameter place can become very large to the damping force of raw material, cause raw material discharging speed slack-off, damping force is directly proportional with the length in little duct.
As shown in Figure 4, in embodiment of the present utility model, on discharge port plate, be evenly equipped with discharge opening, discharge opening comprises macropore 6 ' and aperture road 7 ', macropore is connected by chamfering with little duct, discharge port plate is arranged in five coil structures by discharge opening, is followed successively by first lap discharge opening, the second circle discharge opening, the 3rd circle discharge opening, the 4th circle discharge opening and the 5th circle discharge opening by inner ring to outer ring.
Compared with prior art, in the present embodiment, the little orifice throat length of the 3rd circle discharge opening is constant, and the little orifice throat length of the second circle discharge opening and the 4th circle discharge opening reduces, and the little orifice throat length of first lap discharge opening and the 5th circle discharge opening is less, because the total length of discharge opening is constant, therefore the corresponding increase of macropore.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a novel discharging dish, on discharge port plate, be evenly equipped with discharge opening, described discharge opening comprises macropore and little duct, described macropore is connected by chamfering with little duct, it is characterized in that, the discharge opening of different size is set on described discharge port plate, and the described discharge opening of different size arranges the little duct of different length.
2. novel discharging dish as claimed in claim 1, is characterized in that, described discharge port plate is arranged in multi-turn structure by described discharge opening.
3. novel discharging dish as claimed in claim 2, is characterized in that, the little orifice throat length of described discharge opening is increased progressively to outer ring gradually by the inner ring of described multi-turn structure.
4. novel discharging dish as claimed in claim 2, is characterized in that, the little orifice throat length of described discharge opening is successively decreased to outer ring gradually by the inner ring of described multi-turn structure.
5. novel discharging dish as claimed in claim 2, is characterized in that, the little orifice throat length of described discharge opening is first increased afterwards and subtracts to outer ring by the inner ring of described multi-turn structure.
6. novel discharging dish as claimed in claim 2, is characterized in that, the little orifice throat length of described discharge opening first subtracts rear increasing by the inner ring of described multi-turn structure to outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854706.5U CN203650930U (en) | 2013-12-23 | 2013-12-23 | Novel discharging tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854706.5U CN203650930U (en) | 2013-12-23 | 2013-12-23 | Novel discharging tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203650930U true CN203650930U (en) | 2014-06-18 |
Family
ID=50917364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320854706.5U Expired - Fee Related CN203650930U (en) | 2013-12-23 | 2013-12-23 | Novel discharging tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203650930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216135A (en) * | 2014-07-01 | 2016-01-06 | 苏州清丰兴业塑胶有限公司 | The antiseized pelleter of Masterbatch |
-
2013
- 2013-12-23 CN CN201320854706.5U patent/CN203650930U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216135A (en) * | 2014-07-01 | 2016-01-06 | 苏州清丰兴业塑胶有限公司 | The antiseized pelleter of Masterbatch |
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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: 20140618 Termination date: 20161223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |