CN105291401A - Pipe extruder die - Google Patents
Pipe extruder die Download PDFInfo
- Publication number
- CN105291401A CN105291401A CN201510692862.XA CN201510692862A CN105291401A CN 105291401 A CN105291401 A CN 105291401A CN 201510692862 A CN201510692862 A CN 201510692862A CN 105291401 A CN105291401 A CN 105291401A
- Authority
- CN
- China
- Prior art keywords
- core
- support bar
- flow
- die body
- cooling tube
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
Abstract
The invention provides a pipe extruder die which comprises a mouth die body, a core die body, a first supporting rod, a second supporting rod and a core die body cooling pipe. The core die body is arranged in the mouth die body, and the core die body and the mouth die body are arranged coaxially. A first flow guide channel, a second flow guide channel and a shaping channel which are sequentially connected in the material extruding direction are formed between the mouth die body and the core die body. The second flow guide channel is of a frustum shape, and the diameter of the end, close to the first flow guide channel, of the second flow guide channel is larger than that of the other end of the second flow guide channel. A spiral mouth die body cooling channel is formed in the mouth die body. The mouth die body cooling channel is arranged around the shaping channel. The core die body is of a hollow structure, and both the first supporting rod and the second supporting rod penetrate through the mouth die body and extend into a cavity of the core die body. Flow channels are formed in the first supporting rod and the second supporting rod. The core die body cooling pipe is arranged in the cavity of the core die body. An inlet of the core die body cooling pipe is communicated with the flow channel of the first supporting rod, and an outlet of the core die body cooling pipe is communicated with the flow channel of the second supporting rod. The pipe extruder die is high in extrusion efficiency and cooling speed and good in pre-shaping effect.
Description
Technical field
The present invention relates to extrusion die technical field, particularly relate to a kind of pipe extruder mould.
Background technology
Cable protection pipe normally passes through extruder for shaping; just the tube billet of one-step forming is by die extrusion, enters cooling and shaping device and carries out cooling sizing, then enter bosh and cool further; finally cause cutter sweep by draw-gear, cut into required length.
In extrusion molding process, pipe is formed by extrusion die, shaping box sizing cooling is entered again after pipe is extruded, but because the temperature of extrusion die is higher, can make pipe after being extruded by mould, enter shaping box before deform under gravity, be unfavorable for entering the sizing processing of shaping box.
Prior art adopts and arrange cooling tube in mouth mould, carries out pre-setting, and due to the restriction of structure, cooling velocity is slow, and efficiency is low, causes pre-setting weak effect.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of pipe extruder mould.
A kind of pipe extruder mould that the present invention proposes, mouth mould, core, the first support bar, the second support bar and core cooling tube, core is arranged in mouthful mould, and coaxially arrange with mouth mould, formed between mouthful mould and core and extrude along material the first flow-guiding channel, the second flow-guiding channel and the sizing passage that direction connects successively, second flow-guiding channel is taper type, and is greater than other end diameter near one end diameter of the first flow-guiding channel;
Be provided with spiral mouth mould cooling duct in mouth mould, mouth mould cooling duct is around sizing channel setting;
Core is hollow structure, first support bar and the second support bar all stretch in the cavity of core through mouth mould, runner is provided with in first support bar and the second support bar, core cooling tube is provided with in the cavity of core, core cooling tube entrance and the first support bar flow passage, the outlet of core cooling tube and the second support bar flow passage.
Preferably, core cooling tube is U-tube, and quantity is multiple.
Preferably, the quantity of core cooling tube is at least 4, and circumferentially distributes, and core cooling tube is provided with the straight tube of entrance near outside, and the straight tube being provided with outlet is near inner side.
Preferably, also comprise annular current divider and annular current collector, annular current divider and annular current collector are arranged in core, and annular splitter inlet is connected with the first support bar runner exit, the entrance one_to_one corresponding of the outlet of annular current divider and core cooling tube, and be interconnected;
The outlet of core cooling tube and annular current collector entrance one_to_one corresponding, and be interconnected, annular current collector outlet is connected with the second support bar flow channel entry point.
Preferably, the first support bar, the second support bar, annular current divider, the outside uniform thickness thermal insulation layer be provided with of annular current collector;
On core cooling tube corresponding first flow-guiding channel and the second flow-guiding channel around part be provided with thickening thermal insulation layer, and this thickness is thinning successively along the first flow-guiding channel to the second flow-guiding channel direction.
Preferably, on core corresponding first flow-guiding channel around part be provided with cannelure.
Preferably, the first support bar and the second support bar and mouth mould inwall intersection are provided with sealing ring.
A kind of pipe extruder mould provided in the present invention, core is arranged in mouthful mould, and coaxially arrange with mouth mould, core is arranged in mouthful mould, and coaxially arrange with mouth mould, formed between mouthful mould and core and extrude along material the first flow-guiding channel, the second flow-guiding channel and the sizing passage that direction connects successively, second flow-guiding channel is taper type, and be greater than other end diameter near one end diameter of the first flow-guiding channel, material passes through the first flow-guiding channel, the second flow-guiding channel and sizing passage successively, the tubing of last extrusioning shaping, be provided with spiral mouth mould cooling duct in mouth mould, mould cooling duct is around sizing channel setting, core is hollow structure, first support bar and the second support bar all stretch in the cavity of core through mouth mould, runner is provided with in first support bar and the second support bar, core cooling tube is provided with in core, core cooling tube entrance and the first support bar flow passage, the outlet of core cooling tube and the second support bar flow passage, the setting of said structure, material is by the first flow-guiding channel and the second flow-guiding channel, core cooling tube carries out one-sided pre-cooling from inner side to material, after material is by sizing passage, cooling and shaping to extruding pipe is realized from inner side with by mouth mould cooling duct from outside by core cooling tube, cooling effectiveness is high, can ensure extruding pipe extrude from mould after quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of pipe extruder mould that the present invention proposes.
Fig. 2 is that core cooling tube A-A in a kind of pipe extruder mould of proposing of the present invention is to cross-sectional schematic.
Detailed description of the invention
As shown in Figure 1 and Figure 2, Fig. 1 is the structural representation of a kind of pipe extruder mould that the present invention proposes; Fig. 2 is that core cooling tube A-A in a kind of pipe extruder mould of proposing of the present invention is to cross-sectional schematic.
With reference to Fig. 1, a kind of pipe extruder mould that the present invention proposes, mouth mould 1, core 2, first support bar 4, second support bar 5 and core cooling tube 6, core 2 is arranged in mouthful mould 1, and coaxially arrange with mouth mould 1, formed between mouthful mould 1 and core 2 and extrude along material the first flow-guiding channel 7, second flow-guiding channel 8 that direction connects successively and sizing passage 9, second flow-guiding channel 8 be taper type, and one end diameter of close first flow-guiding channel 7 is greater than other end diameter.
In said structure, the material of melting is extruded from the machine barrel of extruder, more successively by the first flow-guiding channel 7, second flow-guiding channel 8 and sizing passage 9, the setting of above-mentioned multiple passage, the surface quality of extruding pipe material can be improved, improve the close property of matter of tubing, thus improve the total quality of extruding pipe.
Be provided with spiral mouth mould cooling duct 3 in mouth mould 1, mould cooling duct 3 is arranged around sizing passage 9, and cooling medium is lowered the temperature from outside to the tubing being about to extrude by mould cooling duct 3.
Core 2 is hollow structure, first support bar 4 and the second support bar 5 all stretch in the cavity of core 2 through mouth mould 1, runner is provided with in first support bar 4 and the second support bar 5, not only cooling medium can be passed in the runner of the first support bar 4 and the second support bar 5, can also play a supportive role to core 2, core cooling tube 6 is provided with in the cavity of core 2, core cooling tube 6 entrance and the first support bar 4 flow passage, core cooling tube 6 exports and the second support bar 5 flow passage, particularly, core cooling tube 6 is U-tube, and quantity is multiple, with reference to Fig. 2, in the present embodiment, the quantity of core cooling tube 6 is 4, and circumferentially distribute, core cooling tube 6 is provided with the straight tube of entrance near outside, and the straight tube being provided with outlet is near inner side, such design, tubing can be made circumferentially to cool evenly.When specific design or enforcement, core cooling tube 6 can establish random natural number, passes into cooling medium by the first support bar 4 and the second support bar 5 in core cooling tube 6, carries out cooling sizing from inside to the material being about to extrude.
The disclosure carries out pre-cooled sizing from interior outside to extruding pipe material, can improve the quality of extruding pipe material.
In present embodiment, also comprise annular current divider 10 and annular current collector 11, annular current divider 10 and annular current collector 11 are arranged in core 2, annular current divider 10 entrance is connected with the first support bar 4 runner exit, annular current divider 10 exports the entrance one_to_one corresponding with core cooling tube 6, and is interconnected; The outlet of core cooling tube 6 and annular current collector 11 entrance one_to_one corresponding, and be interconnected, annular current collector 11 outlet is connected with the second support bar 5 flow channel entry point, improves the uniformity of cooling.
In present embodiment, the uniform thickness thermal insulation layer that the first support bar 4, second support bar 5, annular current divider 10, annular current collector 11 outside are provided with; Prevent from carrying out transition cooling to the material in mould, stop the Flow of Goods and Materials of melting.
On core cooling tube 6 corresponding first flow-guiding channel 7 and the second flow-guiding channel 8 around part be provided with thickening thermal insulation layer, and this thickness is thinning successively along the first flow-guiding channel 7 to the second flow-guiding channel 8 direction, carry out lowering the temperature gradually along the first flow-guiding channel 7 to the second flow-guiding channel 8 direction to the fused materials in mould like this, thus ensure the quality of extruding pipe material.
The outside of corresponding first flow-guiding channel 7 part of core 2 is provided with cannelure 12, and this cannelure 12 has cushioning effect, can improve the close property of matter of extruding pipe material.
The disclosure is when extruding use, cooling medium is passed into by the runner of the first support bar 4, cooling medium flows through annular current divider 10, is diverted in each core cooling tube 6, realizes the pipe of the cooling extruded tubing from inner side, the pipe outside of cooling medium to extruding pipe material of mouth mould cooling duct 3 cools, good cooling results, cooling effectiveness is high, makes the pipe extruded by the disclosure, there is certain fixed effect, the quality of product can be improved.
First support bar 4 and the second support bar 5 are provided with sealing ring with mouth mould 1 inwall intersection, and sealing ring prevents material side leakage.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a pipe extruder mould, it is characterized in that, mouth mould (1), core (2), first support bar (4), second support bar (5) and core cooling tube (6), core (2) is arranged in a mouthful mould (1), and coaxially arrange with mouth mould (1), formed between mouthful mould (1) and core (2) and extrude along material the first flow-guiding channel (7) that direction connects successively, second flow-guiding channel (8) and sizing passage (9), second flow-guiding channel (8) is taper type, and be greater than other end diameter near one end diameter of the first flow-guiding channel (7),
Be provided with spiral mouth mould cooling duct (3) in mouth mould (1), mouth mould cooling duct (3) is arranged around sizing passage (9);
Core (2) is hollow structure, first support bar (4) and the second support bar (5) all stretch in the cavity of core (2) through mouth mould (1), runner is provided with in first support bar (4) and the second support bar (5), core cooling tube (6) is provided with in the cavity of core (2), core cooling tube (6) entrance and the first support bar (4) flow passage, core cooling tube (6) outlet and the second support bar (5) flow passage.
2. pipe extruder mould according to claim 1, is characterized in that, core cooling tube (6) is U-tube, and quantity is multiple.
3. pipe extruder mould according to claim 2, it is characterized in that, the quantity of core cooling tube (6) is at least 4, and circumferentially distributes, core cooling tube (6) is provided with the straight tube of entrance near outside, and the straight tube being provided with outlet is near inner side.
4. pipe extruder mould according to claim 3, it is characterized in that, also comprise annular current divider (10) and annular current collector (11), annular current divider (10) and annular current collector (11) are arranged in core (2), annular current divider (10) entrance is connected with the first support bar (4) runner exit, the entrance one_to_one corresponding of annular current divider (10) outlet and core cooling tube (6), and be interconnected;
The outlet of core cooling tube (6) and annular current collector (11) entrance one_to_one corresponding, and be interconnected, annular current collector (11) outlet is connected with the second support bar (5) flow channel entry point.
5. pipe extruder mould according to claim 4, it is characterized in that, the uniform thickness thermal insulation layer that the first support bar (4), the second support bar (5), annular current divider (10), annular current collector (11) outside are provided with;
Upper corresponding first flow-guiding channel (7) of core cooling tube (6) and the second flow-guiding channel (8) around part be provided with thickening thermal insulation layer, and this thickness is thinning successively to the second flow-guiding channel (8) direction along the first flow-guiding channel (7).
6. pipe extruder mould according to claim 5, is characterized in that, upper corresponding first flow-guiding channel (7) of core (2) around part be provided with cannelure (12).
7. pipe extruder mould according to claim 1, is characterized in that, the first support bar (4) and the second support bar (5) are provided with sealing ring with mouth mould (1) inwall intersection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692862.XA CN105291401A (en) | 2015-10-22 | 2015-10-22 | Pipe extruder die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692862.XA CN105291401A (en) | 2015-10-22 | 2015-10-22 | Pipe extruder die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105291401A true CN105291401A (en) | 2016-02-03 |
Family
ID=55189545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510692862.XA Pending CN105291401A (en) | 2015-10-22 | 2015-10-22 | Pipe extruder die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105291401A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273334A (en) * | 2016-08-31 | 2017-01-04 | 太原理工大学 | A kind of crowded pipe mold for reinforcing glass fiber tubing intensity |
| CN106738770A (en) * | 2016-11-30 | 2017-05-31 | 芜湖立创包装有限公司 | Sizing mouth mold mechanism |
| CN107214925A (en) * | 2017-07-13 | 2017-09-29 | 安徽蓝通科技股份有限公司 | A kind of quick extrusion die of pvc pipe |
| CN107377728A (en) * | 2017-07-13 | 2017-11-24 | 安泰天龙钨钼科技有限公司 | Spinning molybdenum crucible fast demoulding core rod device |
| CN108215109A (en) * | 2017-12-24 | 2018-06-29 | 中山市小榄企业服务有限公司 | A kind of manufacturing method of fiber optic protection blank pipe |
| CN108466419A (en) * | 2018-04-03 | 2018-08-31 | 贵州枫叶管业有限公司 | Tubing type embryo squeezes out cooling device |
| CN110014602A (en) * | 2019-04-25 | 2019-07-16 | 桂林电子科技大学 | Preforming section of design method of detachable gradual right angle sebific duct extrusion die |
| CN110587951A (en) * | 2019-10-15 | 2019-12-20 | 湖北高新明辉模具有限公司 | Air-cooled combined shaping mold |
| CN116901400A (en) * | 2023-07-14 | 2023-10-20 | 安徽京通旺管道科技有限公司 | CPVC power tube shaping equipment and automatic production line |
-
2015
- 2015-10-22 CN CN201510692862.XA patent/CN105291401A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273334A (en) * | 2016-08-31 | 2017-01-04 | 太原理工大学 | A kind of crowded pipe mold for reinforcing glass fiber tubing intensity |
| CN106738770A (en) * | 2016-11-30 | 2017-05-31 | 芜湖立创包装有限公司 | Sizing mouth mold mechanism |
| CN107214925A (en) * | 2017-07-13 | 2017-09-29 | 安徽蓝通科技股份有限公司 | A kind of quick extrusion die of pvc pipe |
| CN107377728A (en) * | 2017-07-13 | 2017-11-24 | 安泰天龙钨钼科技有限公司 | Spinning molybdenum crucible fast demoulding core rod device |
| CN108215109A (en) * | 2017-12-24 | 2018-06-29 | 中山市小榄企业服务有限公司 | A kind of manufacturing method of fiber optic protection blank pipe |
| CN108466419A (en) * | 2018-04-03 | 2018-08-31 | 贵州枫叶管业有限公司 | Tubing type embryo squeezes out cooling device |
| CN110014602A (en) * | 2019-04-25 | 2019-07-16 | 桂林电子科技大学 | Preforming section of design method of detachable gradual right angle sebific duct extrusion die |
| CN110587951A (en) * | 2019-10-15 | 2019-12-20 | 湖北高新明辉模具有限公司 | Air-cooled combined shaping mold |
| CN116901400A (en) * | 2023-07-14 | 2023-10-20 | 安徽京通旺管道科技有限公司 | CPVC power tube shaping equipment and automatic production line |
| CN116901400B (en) * | 2023-07-14 | 2024-02-09 | 安徽京通旺管道科技有限公司 | CPVC power tube shaping equipment and automatic production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181016 Address after: 230000 Anhui Hefei economic and Technological Development Zone, Shizhu road 339, Venus commercial city two phase 22 floor 2006 Applicant after: Hefei Yi Yuanxin Material Co., Ltd. Address before: 242300 Anhui Xuancheng Ningguo Economic Development Zone Heli Park Anhui Ningguo hi tech Pipe Co., Ltd. Applicant before: ANHUI NINGGUO HIGH-NEW PIPE INDUSTRY CO., LTD. |
|
| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160203 |
|
| WD01 | Invention patent application deemed withdrawn after publication |