CN202097937U - Extrusion die for pipe - Google Patents
Extrusion die for pipe Download PDFInfo
- Publication number
- CN202097937U CN202097937U CN2011201698012U CN201120169801U CN202097937U CN 202097937 U CN202097937 U CN 202097937U CN 2011201698012 U CN2011201698012 U CN 2011201698012U CN 201120169801 U CN201120169801 U CN 201120169801U CN 202097937 U CN202097937 U CN 202097937U
- Authority
- CN
- China
- Prior art keywords
- cavity
- spiral
- shunting
- main
- core
- 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 - Lifetime
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 33
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000012530 fluid Substances 0.000 claims description 21
- 241001463139 Vitta Species 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an extrusion die, in particular to an extrusion die for a pipe. The utility model provides an extrusion die for a pipe, which comprises a conical diversion part, a spiral diversion part, a main diversion part, a guide part and a shaping part, wherein the conical diversion part, the spiral diversion part, the main diversion part, the guide part and the shaping part are connected in sequence in the extrusion direction; the conical diversion part comprises a conical diversion cavity; the spiral diversion part comprises a spiral diversion cavity; the main diversion part comprises a main diversion cavity; the guide part comprises a guide cavity; the shaping part comprises a shaping cavity; the conical diversion cavity, the spiral diversion cavity, the main diversion cavity and the shaping cavity are communicated in sequence in the extrusion direction of melting materials; and the guide cavity of the guide part is gradually reduced in the extrusion direction. The utility model has the benefits that a back pressure is formed at the guide part, so that the extrusion die is favorable for enhancing the smoothness of wall surface and the dimensional precision of the pipe.
Description
Technical field
The utility model relates to extrusion die, relates in particular to a kind of extrusion die of tubing.
Background technology
Plastic pipe is mainly through the extrusion die extrusion molding, and at present, the fineness and the dimensional accuracy of the tubing wall of existing extrusion die institute moulding are lower.
Summary of the invention
For the fineness and the lower problem of dimensional accuracy that solve the tubing wall of extrusion die institute moulding in the prior art, the utility model provides a kind of extrusion die of tubing.
The utility model provides a kind of extrusion die of tubing; Comprise that said taper distributary division comprises taper shunting cavity according to extruding taper distributary division, spiral distributary division, main distributary division, diversion division and the setting section that direction is linked in sequence, said spiral distributary division comprises spiral shunting cavity; Said main distributary division comprises main shunting cavity; Said diversion division comprises the water conservancy diversion cavity, and said setting section comprises the typing cavity, and said taper shunting cavity, spiral shunting cavity, main shunting cavity, water conservancy diversion cavity and typing cavity are extruded direction according to melting charge and be communicated with in proper order; Wherein, the water conservancy diversion cavity of said diversion division gradually dwindles along extruding direction.
Further improvement as the utility model; Said taper distributary division comprises the branch flow cone and shunting tapered sleeve that forms taper shunting cavity; Said shunting tapered sleeve is provided with charging aperture; Said charging aperture is communicated with said taper shunting cavity, and flow cone was coniform in said minute, and said shunting tapered sleeve is the annular construction member that is provided with coniform groove.
As the further improvement of the utility model, the cone angle of said minute flow cone is 60 degree, is arranged with shunting tapered sleeve heating collar on the excircle side of said shunting tapered sleeve.
Further improvement as the utility model; Said spiral distributary division comprises that the spiral that forms spiral shunting cavity divides fluid and spiral to shunt external cover; The side that said spiral divides fluid to shunt external cover near said spiral is provided with helicla flute, and said spiral fluted bottom land root footpath gradually enlarges along extruding direction.
As the further improvement of the utility model, said spiral divides the inner periphery side of fluid to be provided with spiral and divides the fluid heating collar, and the excircle side that said spiral is shunted external cover is provided with spiral and shunts external cover heating collar.
Further improvement as the utility model; Said main distributary division comprises main shunting core and the main diffluence pass mould that forms main shunting cavity; The diameter of said main shunting cavity gradually enlarges along extruding direction; The inner periphery side of said main shunting core is provided with main shunting core heating collar, and the excircle side of said main diffluence pass mould is provided with main diffluence pass mould heating collar.
Further improvement as the utility model; Said diversion division comprises water conservancy diversion core and the flow-guiding mouth mould that forms the water conservancy diversion cavity; The diameter of said water conservancy diversion cavity gradually enlarges along extruding direction; The inner periphery side of said water conservancy diversion core is provided with water conservancy diversion core heating collar, and the excircle side of said flow-guiding mouth mould is provided with flow-guiding mouth mould heating collar.
As the further improvement of the utility model, said setting section comprises the typing core and typing mouthful mould that forms the typing cavity, and said typing mouth mould is provided with adjustable plate near a side of said flow-guiding mouth mould, and said adjustable plate is connected with the adjusting bolt.
As the further improvement of the utility model, be provided with eight colo(u)r streak plates between said adjustable plate and the said flow-guiding mouth mould, said eight colo(u)r streak plates are provided with eight vitta tap holes.
As the further improvement of the utility model, said water conservancy diversion core is connected with typing core connecting plate, and said typing core is connected with typing core pressing plate, and said typing core pressing plate is provided with pull bar, and said pull bar is connected with said typing core connecting plate.
The beneficial effect of the utility model is: through such scheme, form back pressure at diversion division, help improving the fineness and the dimensional accuracy of tubing wall.
Description of drawings
Fig. 1 is the structural representation of main apparent direction of the extrusion die of a kind of tubing of the utility model;
Fig. 2 is the structural representation of left apparent direction of the extrusion die of the said tubing of the utility model;
Fig. 3 is the structural representation of eight colo(u)r streak plates of the extrusion die of the said tubing of the utility model.
The specific embodiment
Below in conjunction with the description of drawings and the specific embodiment the utility model is further specified.
Drawing reference numeral among Fig. 1 to Fig. 3 is: pull bar 1; Typing core pressing plate 2; Typing core 3; Typing mouthful mould 4; Typing mouthful moulded board 5; Adjustable plate 6; Eight colo(u)r streak plates 7; Typing core connecting plate 8; Flow-guiding mouth mould 9; Water conservancy diversion core 10; Main diffluence pass mould 11; Main shunting core 12; Main shunting core connecting plate 13; Spiral divides fluid 14; Spiral is shunted external cover 15; Spiral is shunted external cover connecting plate 16; Divide flow cone 17; Shunting tapered sleeve 18; The first shunting tapered sleeve heating collar 19; The second shunting tapered sleeve heating collar 20; Spiral divides fluid heating collar 21; Spiral is shunted external cover heating collar 22; Main shunting core heating collar 23; Main diffluence pass mould heating collar 24; The heating collar 25 of main distributary division and diversion division junction; Water conservancy diversion core heating collar 26; Flow-guiding mouth mould heating collar 27; Eight colo(u)r streak plate heating collars 28; Typing core heating collar 29; Typing mouthful mould heating collar 30; Mould vehicle 31.
To shown in Figure 3, a kind of extrusion die of tubing comprises mould vehicle 31 like Fig. 1; Said mould vehicle 31 is provided with according to extruding taper distributary division, spiral distributary division, main distributary division, diversion division and the setting section that direction is linked in sequence, and said taper distributary division comprises taper shunting cavity, and said spiral distributary division comprises spiral shunting cavity; Said main distributary division comprises main shunting cavity; Said diversion division comprises the water conservancy diversion cavity, and said setting section comprises the typing cavity, and said taper shunting cavity, spiral shunting cavity, main shunting cavity, water conservancy diversion cavity and typing cavity are extruded direction according to melting charge and be communicated with in proper order; Melting charge is successively through taper shunting cavity, spiral shunting cavity, main shunting cavity, water conservancy diversion cavity and typing cavity; Wherein, the water conservancy diversion cavity of said diversion division gradually dwindles and forms back pressure along extruding direction, when melting charge during through said water conservancy diversion cavity; Can receive the effect of back pressure and be ejected into the typing cavity in; In the forming process of melting charge, formed back pressure, favourable promotion the operation of material in extrusion die, guaranteed that the tubing wall has than higher fineness and dimensional accuracy.
Extremely shown in Figure 3 like Fig. 1; Said taper distributary division comprises the branch flow cone 17 and shunting tapered sleeve 18 that forms taper shunting cavity, and said shunting tapered sleeve 18 is provided with charging aperture, and said charging aperture is communicated with said taper shunting cavity; Flow cone 17 was coniform in said minute; Said shunting tapered sleeve 18 is for being provided with the annular construction member of coniform groove, and wherein, the effect of said taper distributary division is the melting charge that the melting charge of column is separated into ring-type.The preferred compression ratio ε of the utility model=4～5; Divide the length of flow cone 17 to get 330～340mm, big footpath is 355～365mm, summit rounding radius R=8～12mm.
Extremely shown in Figure 3 like Fig. 1; The cone angle of said minute flow cone 17 is 60 degree; Be arranged with shunting tapered sleeve heating collar on the excircle side of said shunting tapered sleeve 18; Wherein, shunting tapered sleeve heating collar comprises the diameter of the diameter of the first shunting tapered sleeve heating collar 19 and the second shunting tapered sleeve heating collar, 20, the second shunting tapered sleeve heating collars 20 greater than the first shunting tapered sleeve heating collar 19.
Extremely shown in Figure 3 like Fig. 1; Said spiral distributary division comprises that the spiral that forms spiral shunting cavity divides fluid 14 and spiral to shunt external cover 15; The side that said spiral divides fluid 14 to shunt external cover 15 near said spiral is provided with helicla flute, and said spiral fluted bottom land root footpath gradually enlarges along extruding direction.Wherein, to divide the effect of fluid 14 are further bores of expansion ring materials flow under the prerequisite of the circular streams of minute flow cone shunting to spiral; Also play the effect that streams is mixed simultaneously, spiral divides the version of fluid 14 to be: be uniformly distributed with 24 road helicla flutes, pitch is 1000mm, spiral groove width 25mm, and to Φ 890mm, it is that 550mm is long that whole spiral divides fluid 14 length by Φ 840mm in the root footpath.It is that screw is connected that spiral divides the fluid 14 and the type of attachment of mold, adopts to be uniformly distributed with 24 screws connections.Spiral divides the advantage of the fluid 14 just favourable wall thickness of having controlled shaping pipe well of the very all even ﹑ of ﹑ shunting of side that is to reload very.
To shown in Figure 3, spiral is shunted external cover 15 and is shunted external cover connecting plate 16 and shunt tapered sleeve 18 and be connected through spiral like Fig. 1.
Extremely shown in Figure 3 like Fig. 1; Said spiral divides the inner periphery side of fluid 14 to be provided with spiral and divides fluid heating collar 21; The excircle side that said spiral is shunted external cover 15 is provided with spiral and shunts external cover heating collar 22, and wherein, spiral divides fluid heating collar 21 to be ceramic heater.
Extremely shown in Figure 3 like Fig. 1; Said main distributary division comprises the main shunting core 12 and main diffluence pass mould 11 that forms main shunting cavity; The diameter of said main shunting cavity gradually enlarges along extruding direction; The inner periphery side of said main shunting core 12 is provided with main shunting core heating collar 23, and the excircle side of said main diffluence pass mould 11 is provided with main diffluence pass mould heating collar 24.
To shown in Figure 3, spiral divides fluid 14 to be connected with main shunting core 12 through main shunting core connecting plate 13 like Fig. 1.
Extremely shown in Figure 3 like Fig. 1; Said diversion division comprises the water conservancy diversion core 10 and flow-guiding mouth mould 9 that forms the water conservancy diversion cavity; The diameter of said water conservancy diversion cavity gradually enlarges along extruding direction, and the inner periphery side of said water conservancy diversion core 10 is provided with water conservancy diversion core heating collar 26, and the excircle side of said flow-guiding mouth mould 9 is provided with flow-guiding mouth mould heating collar 27; Wherein, be provided with the heating collar 25 of main distributary division and diversion division junction between the junction of main distributary division and diversion division.
To shown in Figure 3, said setting section comprises the typing core 3 and typing mouthful mould 4 that forms the typing cavity like Fig. 1, and said typing mouthful mould 4 is provided with adjustable plate 6 near a side of said flow-guiding mouth mould 9, and said adjustable plate 6 is connected with the adjusting bolt.
To shown in Figure 3, be provided with eight colo(u)r streak plates 7 between said adjustable plate 6 and the said flow-guiding mouth mould 9 like Fig. 1, said eight colo(u)r streak plates 7 are provided with eight vitta tap holes.
To shown in Figure 3, said water conservancy diversion core 9 is connected with typing core connecting plate 8 like Fig. 1, and said typing core 3 is connected with typing core pressing plate 2, and said typing core pressing plate 2 is provided with pull bar 1, and said pull bar 1 is connected 8 with said typing core connecting plate.
The extrusion die of a kind of tubing that the utility model provides forms back pressure at diversion division, helps improving the fineness and the dimensional accuracy of tubing wall.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (10)
1. the extrusion die of a tubing; It is characterized in that: comprise that said taper distributary division comprises taper shunting cavity according to extruding taper distributary division, spiral distributary division, main distributary division, diversion division and the setting section that direction is linked in sequence, said spiral distributary division comprises spiral shunting cavity; Said main distributary division comprises main shunting cavity; Said diversion division comprises the water conservancy diversion cavity, and said setting section comprises the typing cavity, and said taper shunting cavity, spiral shunting cavity, main shunting cavity, water conservancy diversion cavity and typing cavity are extruded direction according to melting charge and be communicated with in proper order; Wherein, the water conservancy diversion cavity of said diversion division gradually dwindles along extruding direction.
2. according to the extrusion die of the said tubing of claim 1; It is characterized in that: said taper distributary division comprises branch flow cone (17) and the shunting tapered sleeve (18) that forms taper shunting cavity; Said shunting tapered sleeve (18) is provided with charging aperture; Said charging aperture is communicated with said taper shunting cavity, said minute flow cone (17) be coniform, said shunting tapered sleeve (18) is the annular construction member that is provided with coniform groove.
3. according to the extrusion die of the said tubing of claim 2, it is characterized in that: said minute flow cone (17) cone angle be 60 degree, be arranged with shunting tapered sleeve heating collar on the excircle side of said shunting tapered sleeve (18).
4. according to the extrusion die of the said tubing of claim 1; It is characterized in that: said spiral distributary division comprises that the spiral that forms spiral shunting cavity divides fluid (14) and spiral to shunt external cover (15); The side that said spiral divides fluid (14) to shunt external cover (15) near said spiral is provided with helicla flute, and said spiral fluted bottom land root footpath gradually enlarges along extruding direction.
5. according to the extrusion die of the said tubing of claim 4; It is characterized in that: said spiral divides the inner periphery side of fluid (14) to be provided with spiral and divides fluid heating collar (21), and the excircle side that said spiral is shunted external cover (15) is provided with spiral and shunts external cover heating collar (22).
6. according to the extrusion die of the said tubing of claim 1; It is characterized in that: said main distributary division comprises main shunting core (12) and the main diffluence pass mould (11) that forms main shunting cavity; The diameter of said main shunting cavity gradually enlarges along extruding direction; The inner periphery side of said main shunting core (12) is provided with main shunting core heating collar (23), and the excircle side of said main diffluence pass mould (11) is provided with main diffluence pass mould heating collar (24).
7. according to the extrusion die of the said tubing of claim 1; It is characterized in that: said diversion division comprises water conservancy diversion core (10) and the flow-guiding mouth mould (9) that forms the water conservancy diversion cavity; The diameter of said water conservancy diversion cavity gradually enlarges along extruding direction; The inner periphery side of said water conservancy diversion core (10) is provided with water conservancy diversion core heating collar (26), and the excircle side of said flow-guiding mouth mould (9) is provided with flow-guiding mouth mould heating collar (27).
8. according to the extrusion die of the said tubing of claim 7; It is characterized in that: said setting section comprises typing core (3) and the typing mouthful mould (4) that forms the typing cavity; Said typing mouthful mould (4) is provided with adjustable plate (6) near a side of said flow-guiding mouth mould (9), and said adjustable plate (6) is connected with the adjusting bolt.
9. the extrusion die of said tubing according to Claim 8, it is characterized in that: be provided with eight colo(u)r streak plates (7) between said adjustable plate (6) and the said flow-guiding mouth mould (9), said eight colo(u)r streak plates (7) are provided with eight vitta tap holes.
10. the extrusion die of said tubing according to Claim 8; It is characterized in that: said water conservancy diversion core (10) is connected with typing core connecting plate (8); Said typing core (3) is connected with typing core pressing plate (2); Said typing core pressing plate (2) is provided with pull bar (1), and said pull bar (1) is connected with said typing core connecting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201698012U CN202097937U (en) | 2011-05-25 | 2011-05-25 | Extrusion die for pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201698012U CN202097937U (en) | 2011-05-25 | 2011-05-25 | Extrusion die for pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202097937U true CN202097937U (en) | 2012-01-04 |
Family
ID=45383970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201698012U Expired - Lifetime CN202097937U (en) | 2011-05-25 | 2011-05-25 | Extrusion die for pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202097937U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922720A (en) * | 2012-11-08 | 2013-02-13 | 苏州金纬机械制造有限公司 | Tubular product mould |
| CN110103440A (en) * | 2019-05-07 | 2019-08-09 | 宁波余大通信技术有限公司 | Communicate tubing processing mold and its processing technology |
-
2011
- 2011-05-25 CN CN2011201698012U patent/CN202097937U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922720A (en) * | 2012-11-08 | 2013-02-13 | 苏州金纬机械制造有限公司 | Tubular product mould |
| CN102922720B (en) * | 2012-11-08 | 2015-05-06 | 苏州金纬机械制造有限公司 | Tubular product mould |
| CN110103440A (en) * | 2019-05-07 | 2019-08-09 | 宁波余大通信技术有限公司 | Communicate tubing processing mold and its processing technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101890795B (en) | Shunt device | |
| CN102950749B (en) | PP-R (polypropylene) pipe production equipment | |
| CN102922723A (en) | Molding pipe split-flow mold | |
| CN202097937U (en) | Extrusion die for pipe | |
| CN203567157U (en) | Plastic co-extrusion die for producing large-caliber pipes | |
| CN102765178B (en) | Composite plastic pipe forming die | |
| CN105729753A (en) | Multi-head-body rubber and plastic extruder head | |
| CN102601969A (en) | Mould and process for one-mould-double-output forming of polypropylene random copolymer pipes | |
| CN202934797U (en) | Shunting mold of molding pipe | |
| CN205651634U (en) | Bull rubber and plastic extrusion aircraft nose | |
| CN202037849U (en) | Novel mold special for acrylonitrile butadiene styrene (ABS) pipes | |
| CN210851255U (en) | Plastic-coated machine head for steel wire rope | |
| CN203713034U (en) | Separated type hollow sunshine sheet mold | |
| CN208664335U (en) | A kind of tubing outer layer extrusion die | |
| CN202318902U (en) | Mandril head for polycarbonate (PC) blow molding machine | |
| CN205989491U (en) | A kind of four orifice plate extrusion dies | |
| CN206855963U (en) | It is classified the cable extruding machine head of guide | |
| CN202156018U (en) | Helical head of plastic extrusion production equipment | |
| CN110103440A (en) | Communicate tubing processing mold and its processing technology | |
| CN201143763Y (en) | Improved flow passage structure in die head device | |
| CN205661018U (en) | Be used for fashioned mould of plastics tubular product | |
| CN203752481U (en) | Hollow polycarbonate sheet extrusion mold | |
| CN205058557U (en) | Reposition of redundant personnel awl | |
| CN208896453U (en) | It is a kind of for producing the mold of large-caliber thin-walled plastic pipe | |
| CN204160733U (en) | A kind of penetration pipe mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN HUAHAN PIPE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HUAHAN PIPE S + T CO., LTD. Effective date: 20120613 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120613 Address after: No. 16 Hua Han Industrial Park, Pingshan New District Pingshan Jinniu Road Shenzhen city Guangdong province 518000 Patentee after: Shenzhen Huahan Pipeline Technology Co., Ltd. Address before: 518000 Innovation Park, No. 16, Lang Shan Road, Nanshan District hi tech Industrial Park, Guangdong, Shenzhen, China Patentee before: Huahan Pipe S & T Co., Ltd. |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20140711 Granted publication date: 20120104 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20150111 Granted publication date: 20120104 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20160616 Granted publication date: 20120104 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20161216 Granted publication date: 20120104 |
|
| PD01 | Discharge of preservation of patent | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
|
| CX01 | Expiry of patent term |