CN202753387U - Extrusion mould - Google Patents
Extrusion mould Download PDFInfo
- Publication number
- CN202753387U CN202753387U CN2012203975052U CN201220397505U CN202753387U CN 202753387 U CN202753387 U CN 202753387U CN 2012203975052 U CN2012203975052 U CN 2012203975052U CN 201220397505 U CN201220397505 U CN 201220397505U CN 202753387 U CN202753387 U CN 202753387U
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- China
- Prior art keywords
- mould
- charging
- cap
- center bar
- discharge opening
- Prior art date
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Abstract
The utility model provides an extrusion mould which comprises a feeding mould, a seal cover and a core stick. A circular concave groove is arranged in the feeding mould. The seal cover is sleeved on the feeding mould. The core stick is fixedly arranged on the inner core of the feeding mould. The seal cover and the circular concave groove form a circular hollow cavity. A feed inlet is arranged at the upper end of the seal cover. The feed inlet is communicated with the circular hollow cavity. Discharge holes are formed in the feeding surface of the feeding mould. The discharge holes are communicated with the circular hollow cavity. The number of the discharge holes is at least two and the discharge holes are evenly formed in the discharge surface. The closer each discharge hole is to the feed inlet, the larger the diameter of each discharge hole is. A convex buffer zone is arranged on an annular ring of the feeding surface. The buffer zone and the feed inlet are combined to form a whole. The extrusion mould has the advantages of being high in pass rate of products and high in producing efficiency.
Description
Technical field
The utility model relates to the extrusion die field, refers to especially a kind of tube extrusion die.
Background technology
A lot of tube extrusion dies are arranged in the market, can process the tubing that various mono-layer tubes, bimetallic tube etc. are applied to every field.Total institute is known, and the control for tube wall thickness in the time of processing tubing is even more important, and the tube wall thickness that much processes is uneven, has a strong impact on its performance.In order to control better the wall thickness of tubing, a lot of manufacturers all are regularly the tubing that section inspection processes, and find that wall unevenness is even, adjust from mould again, and so forth, had a strong impact on production efficiency, and tubing itself also only had to the improvement on the not half, this point is far from being enough, therefore, must improve from tube extrusion die, overcome the defective in the original production, enhance productivity.
The utility model content
The utility model proposes a kind of extrusion die, having solved mould of the prior art, the tube material and tube wall wall thickness produced often to occur uneven, the problem that production efficiency is low.
The technical solution of the utility model is achieved in that a kind of extrusion die, comprise charging mould, cap, center bar, have toroidal cavity on the described charging mould, described cap is sleeved on the charging mould, described center bar is fixedly installed on the charging mould inside center, described center bar runs through cap, there are the described cap in slit and toroidal cavity to form an annular cavity between center bar and the cap, described cap upper end has charging aperture, and described charging aperture is communicated with annular cavity; Have discharge opening on the charging face on the described charging mould, described discharge opening is communicated with the cavity of annular, the number of described discharge opening is two at least and is evenly distributed in out on the charge level, and the diameter of described discharge opening becomes large gradually according to the distance from charging aperture; The buffer strip that one projection is arranged in the annular ring of described charging face, described buffer strip and charging mould are one-body molded.
Further comprise, the centre of described buffer strip is provided with the punishment in advance mouth, and described punishment in advance mouth is arranged on the joining place of center bar and buffer strip.
Further comprise, described center bar runs through cap, between center bar and the cap slit is arranged.
Beneficial effect: the utility model has solved the defective that exists in the background technology, has improved greatly product quality and production efficiency by design of the present utility model.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the internal structure schematic diagram of an embodiment of the utility model;
Fig. 2 is the distributed architecture schematic diagram that goes out the discharge opening preferred embodiment on the charge level shown in Figure 1;
Wherein: 1, the charging mould; 2, cap; 3, center bar; 4, toroidal cavity; 5, charging aperture; 6, charging face; 7, discharge opening; 8, buffer strip; 9, the punishment in advance mouth.
The specific embodiment
As shown in Figure 1 and Figure 2, a kind of extrusion die, comprise charging mould 1, cap 2, center bar 3, have toroidal cavity 4 on the described charging mould 1, described cap 2 is sleeved on the charging mould 1, described center bar 3 is fixedly installed on charging mould 1 inside center, described center bar 3 runs through cap 2, between center bar 3 and the cap 2 slit is arranged, described cap 2 forms an annular cavity with toroidal cavity 4, described cap 3 upper ends have charging aperture 5, and described charging aperture 5 is communicated with annular cavity; Have discharge opening 7 on the charging face 6 on the described charging mould 1, described discharge opening 7 is communicated with the cavity of annular, the number of described discharge opening 7 is two at least and is evenly distributed in out on the charge level 6, and the diameter of described discharge opening 7 becomes large gradually according to the distance from charging aperture 5; The buffer strip 8 that one projection is arranged in the annular ring of described charging face 6, described buffer strip 8 is one-body molded with charging mould 1; The centre of described buffer strip 8 is provided with punishment in advance mouth 9, and described punishment in advance mouth 9 is arranged on the joining place of center bar 3 and buffer strip 8.
Raw material enters annular cavity by charging aperture 5, then from going out the discharge opening 7 interior evenly outwards outflows on the charge level 6, by slowly flowing to punishment in advance port 9 after cambered surface buffer strip 8 bufferings, enter again the uniformity coefficient that the water conservancy diversion mould is further stablized raw material again, pass through at last plug die.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. extrusion die, it is characterized in that: comprise charging mould, cap, center bar, have toroidal cavity on the described charging mould, described cap is sleeved on the charging mould, described center bar is fixedly installed on the charging mould inside center, described cap and toroidal cavity form an annular cavity, and described cap upper end has charging aperture, and described charging aperture is communicated with annular cavity; Have discharge opening on the charging face on the described charging mould, described discharge opening is communicated with the cavity of annular, the number of described discharge opening is two at least and is evenly distributed in out on the charge level, and the diameter of described discharge opening becomes large gradually according to the distance from charging aperture; The buffer strip that one projection is arranged in the annular ring of described charging face, described buffer strip and charging mould are one-body molded.
2. extrusion die as claimed in claim 1, it is characterized in that: the centre of described buffer strip is provided with the punishment in advance mouth, and described punishment in advance mouth is arranged on the joining place of center bar and buffer strip.
3. extrusion die as claimed in claim 1, it is characterized in that: described center bar runs through cap, between center bar and the cap slit is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203975052U CN202753387U (en) | 2012-08-11 | 2012-08-11 | Extrusion mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203975052U CN202753387U (en) | 2012-08-11 | 2012-08-11 | Extrusion mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202753387U true CN202753387U (en) | 2013-02-27 |
Family
ID=47732582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203975052U Expired - Fee Related CN202753387U (en) | 2012-08-11 | 2012-08-11 | Extrusion mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202753387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568260A (en) * | 2012-08-11 | 2014-02-12 | 宁波康润机械科技有限公司 | Extrusion die |
-
2012
- 2012-08-11 CN CN2012203975052U patent/CN202753387U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568260A (en) * | 2012-08-11 | 2014-02-12 | 宁波康润机械科技有限公司 | Extrusion die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20130811 |