CN203831761U - Double-layer extruding mould with multiple pipes - Google Patents
Double-layer extruding mould with multiple pipes Download PDFInfo
- Publication number
- CN203831761U CN203831761U CN201420178986.7U CN201420178986U CN203831761U CN 203831761 U CN203831761 U CN 203831761U CN 201420178986 U CN201420178986 U CN 201420178986U CN 203831761 U CN203831761 U CN 203831761U
- Authority
- CN
- China
- Prior art keywords
- mould
- conveyor screw
- die body
- layer
- internal layer
- 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
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
- B29C48/30—Extrusion nozzles or dies
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a double-layer extruding mould with multiple pipes. The double-layer extruding mould comprises a front mould body and a shunting body, wherein one end of the front mould body is connected with a plastic extruding machine, and the shunting body is connected with the front mould body. The double-layer extruding mould is characterized in that the shunting body is provided with two or more outer-layer passageways, flow adjusting devices are arranged in the outer-layer passageways, the outer-layer passageways lead to a pipe forming mould body, an outer-layer spiral body is arranged at one end of a core portion of the mould body, an inner-layer spiral body is arranged on a core portion of the outer-layer spiral body, a discharging end of the inner-layer spiral body is converged with a discharging end of the mould body to be connected with a neck mould, and a wall thickness adjusting device is arranged on the portion of the neck mould. According to the double-layer extruding mould with the multiple pipes, the multiple pipes are used for shunting, double-layer composite pipes are used for formation, wall thickness can be subjected to fine adjustment, line speeds of the multiple pipes are adjustable, production efficiency is high, qualities are stable, pipe walls are uniform, energy is saved, efficiency is high, and costs are low.
Description
Technical field
The utility model relates to pipeline manufacturing technology field, relates in particular to an a kind of mould multitube double layer extrusion die.
Background technology
Plastic conduit field of employment, use amount get more and more, and it not only requires the functions such as good, the withstand voltage height of quality, anti-aging, bacteriological protection, antiseepage oxygen, and manufacturing process is simple and easy, and speed of production requires high, and occupation area of equipment is little, to keep low cost feature.In prior art, there is the two-tube design of a mould, if patent announcement number is CN202878648U, the two-tube extrusion die of one one mould proposing, comprise mould neck, one end of mould neck is provided with the connector with equipment connection, the other end of mould neck connects the first shunting die cavity by securing member successively, the second shunting die cavity, the 3rd shunting die cavity and compression chamber, in mould neck, be provided with distribution pipeline, distribution pipeline extends to the first shunting die cavity, the second shunting die cavity, the 3rd shunting die cavity and compression chamber, compression chamber front end is respectively arranged with the first extrusion die pressing plate and the second extrusion die pressing plate, in the first extrusion die pressing plate and the second extrusion die pressing plate, be separately installed with the first extrusion mould-outlet mould and the second extrusion mould-outlet mould, in the first extrusion mould-outlet mould and the second extrusion mould-outlet mould, be separately installed with plug, be positioned at the second shunting die cavity place the spreader being connected with plug is installed.This device is that body individual layer is extruded, and can not make composite bed body; And be to utilize set screw degree of tightness on end face to adjust the gap of mould mouth mould and plug, pass through axial force, the first extrusion mould-outlet mould and the second extrusion mould-outlet mould are rotated, thereby make the first extrusion die pressing plate and the second extrusion die pressing plate generation fine rotation by the first sphere and the second sphere, realize the gap adjustment between mould mouth mould and plug, be arranged in same mold because it is two-tube, it is poor that this control method is adjusted wall thickness operability, finely tunes more difficult; The two-tube position of this device regulates without charging aperture in addition, causes charging inequality, and two-tube speed of production, quality texts are also different.
Summary of the invention
The purpose of this utility model is the deficiency existing in prior art in order to solve, and a kind of reasonable in design is provided, a mould multitube double layer extrusion die of moulding, the multi-faceted adjustment runner of energy multitube multilayer inventory.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: an a kind of mould Double-tube double-layer extrusion die, comprise the front die body being connected with extruding machine with one end, the shunting body being connected with front die body, it is characterized in that described shunting body has two and above outer runner, in outer runner, be provided with flow regulator, described outer runner leads to pipe formation die body, die body core one end is provided with outer conveyor screw, outer conveyor screw core is provided with internal layer conveyor screw, the spirochetal discharge end of internal layer converges afterwards and is connected with a mouthful mould with die body discharge end, mouth mould position is provided with device for adjusting wall thickness.The technical program is applicable to double injection, by the acting in conjunction of internal layer conveyor screw, outer conveyor screw and die body, completes double-layer plastic compound, and before solidifying, ensures the wall thickness uniformity of body by core, mouthful mould and device for adjusting wall thickness.Because the layout of tubulation production line is an entirety, it is impartial that follow-up frocks etc. are arranged in multitube shunting design, this device adopts the material of outer body before entering moulding just to adjust the extrusion capacity of each runner by flow regulator, and tubulation speed of production is consistent.Inner tube injection moulding material can arrange separately extruder, also can be distributed unitedly by single device, can arrange flexibly.
As preferably, the spirochetal one end of described internal layer is provided with inner tube entrance.Inner tube entrance injects material between internal layer conveyor screw and outer conveyor screw, and the material required with outer body synchronizeed in the course of the work.
As preferably, described outer conveyor screw outer surface is provided with spirality deflector chute.Spirality deflector chute can fully squeeze soft fused materials, gets rid of gas, and the density of moulding tube wall is played to positive role.
As preferably, the outer surface of described internal layer conveyor screw one end is provided with spirality deflector chute, and this spirality deflector chute is arranged in outer conveyor screw endoporus.Assembling die, ensures compact conformation, and each parts reach best fit state, make each position all can bring into play function affect.
As preferably, after the discharge end of the spirochetal discharge end of described internal layer and die body converges, be compiled in a mouthful mould by several times undergauge.Pipe forming is a progressive formation, and undergauge node all adopts low-angle taper hole alternation, to reduce Flow of Goods and Materials resistance.
As preferably, between described mouth mould and die body, be provided with connector, a mouthful mould core portion is provided with core, and one end of core is positioned at internal layer conveyor screw end.Connector is the passage that core is connected with internal layer conveyor screw, and also as the fixing auxiliary member of device for adjusting wall thickness, mouthful mould, core output body enter cooling vacuum sizing operation.
As preferably, described device for adjusting wall thickness comprises two groups of adjustment screw, and every group of adjustment screw number is more than or equal to 4, and screw is along die body radial distribution.Two groups of adjustment screw radial distribution are in mouth mould all directions, and certain screw number ensures the degree of accuracy and the body circumference circularity of fine setting.
As preferably, external color scale line entrance on described die body, color scale line entrance converges rear space with the spirochetal discharge end of internal layer, die body discharge end and communicates.Color scale line decanting point is positioned at die body discharge end, enters mark in the time of compound body basic forming.
The beneficial effects of the utility model are: a mould multitube, and production efficiency is high; One pipe multilayer, can make compound pipeline complex pipeline; Flow-rate adjustment while being in charge of, ensure be respectively in charge of speed equate, steady quality; Many screws radial point regulates, simple to operate, and has ensured even tube wall; Energy-conservation, efficient, low cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the plan structure schematic diagram of the utility model Fig. 1.
In figure: 1. core, 2. mouthful mould, 3. device for adjusting wall thickness, 4. connector, 5. die body, 6. internal layer conveyor screw, 7. outer conveyor screw, 8. shunting body, 9. flow regulator, 10. front die body, 11. outer tube entrances, 12. inner tube entrances, 13. color scale line entrances.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
An a kind of mould multitube double layer extrusion die of the present embodiment as shown in Figure 1 and Figure 2, is a mould double pipe structure, the two-tube above-below direction of pressing is arranged, if a front die body 10, one end that front die body 10 is connected with extruding machine is provided with taper hole type outer tube entrance 11, and front die body 10 other ends connect shunting body 8.
Shunting body 8 inside are provided with two outer runners, in two outer runners, flow regulator 9 are all housed, and shunting body 8 one end connect die body 5, and outer runner leads to the die body 5 of pipe moulding.Die body 5 cores are provided with undergauge gradual change space.
The core of die body 5 is equipped with the outer conveyor screw 7 of tubulose towards charging aperture one end, outer conveyor screw 7 outer surfaces are furnished with spirality deflector chute.One end of internal layer conveyor screw 6 is arranged in outer conveyor screw 7, is provided with inner tube entrance 12 in its one end towards die body outside, and the outer surface that is arranged in the internal layer conveyor screw 6 of outer conveyor screw 7 is also provided with spirality deflector chute.The discharge end of internal layer conveyor screw 6 and the common formation of die body 5 undergauge gradual change space, and be connected with core rod 1 one end, this connecting portion is provided with connector 4, and core 1 is positioned at mouthful mould 2 cores, and device for adjusting wall thickness 3 is equipped with at mouthful mould 2 positions.
Device for adjusting wall thickness 3 comprises two groups of adjustment screw, and every group of adjustment screw quantity is 4, and 4 screw radial distribution were at one week of mouth mould 2.
On die body 5, towards the external color scale line entrance 13 in position, one end of connector 4, color scale line entrance 13 converges rear space and communicates with internal layer conveyor screw 6 discharge ends, die body 5 discharge ends.
When use, outer tube material enters from outer tube entrance 11, shunt in shunting body 8 inside, regulated the flow in each shunting by flow regulator 9, in the time that outer tube material arrives outer conveyor screw 7 discharge end, converge with the inner tube material entering from inner tube entrance 12, press to core 1 and mouthful mould 2 positions through connector 4 along die body 5 and internal layer conveyor screw 6 discharge ends, and adding the color scale line that color scale line entrance 13 injects, body wall thickness is adjusted by device for adjusting wall thickness 3.The multiple tube of exporting from core 1, mouthful mould 2 enters next procedure---cooling vacuum sizing.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any structure after simple transformation of the present utility model is all belonged to protection domain of the present utility model.
Claims (8)
1. a mould multitube double layer extrusion die, comprise the front die body (10) being connected with extruding machine with one end, the shunting body (8) being connected with front die body, it is characterized in that described shunting body has two and above outer runner, in outer runner, be provided with flow regulator (9), described outer runner leads to pipe formation die body (5), die body core one end is provided with outer conveyor screw (7), outer conveyor screw core is provided with internal layer conveyor screw (6), the spirochetal discharge end of internal layer converges afterwards and is connected with a mouthful mould (2) with die body discharge end, mouth mould position is provided with device for adjusting wall thickness (3).
2. an a kind of mould multitube double layer extrusion die according to claim 1, is characterized in that one end of described internal layer conveyor screw (6) is provided with inner tube entrance (12).
3. an a kind of mould multitube double layer extrusion die according to claim 1 and 2, is characterized in that described outer conveyor screw (7) outer surface is provided with spirality deflector chute.
4. an a kind of mould multitube double layer extrusion die according to claim 1 and 2, is characterized in that the outer surface of described internal layer conveyor screw (6) one end is provided with spirality deflector chute, and this spirality deflector chute is arranged in outer conveyor screw (7) endoporus.
5. an a kind of mould multitube double layer extrusion die according to claim 1, after it is characterized in that the described discharge end of internal layer conveyor screw (6) and the discharge end of die body (5) converge, is compiled in a mouthful mould (2) by several times undergauge.
6. according to the one one mould multitube double layer extrusion die described in claim 1 or 2 or 5, it is characterized in that being provided with connector (4) between a mouthful mould (2) and die body (5), mouth mould core portion is provided with core (1), and one end of core is positioned at internal layer conveyor screw (6) end.
7. according to the one one mould multitube double layer extrusion die described in claim 1 or 2 or 5, it is characterized in that described device for adjusting wall thickness (3) comprises two groups of adjustment screw, every group of adjustment screw number is more than or equal to 4, and screw is along die body radial distribution.
8. according to the one one mould multitube double layer extrusion die described in claim 1 or 2 or 5, it is characterized in that the upper external color scale line entrance (13) of described die body (5), color scale line entrance converges rear space with the spirochetal discharge end of internal layer, die body discharge end and communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178986.7U CN203831761U (en) | 2014-04-15 | 2014-04-15 | Double-layer extruding mould with multiple pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178986.7U CN203831761U (en) | 2014-04-15 | 2014-04-15 | Double-layer extruding mould with multiple pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203831761U true CN203831761U (en) | 2014-09-17 |
Family
ID=51509644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178986.7U Expired - Fee Related CN203831761U (en) | 2014-04-15 | 2014-04-15 | Double-layer extruding mould with multiple pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203831761U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346738A (en) * | 2016-09-23 | 2017-01-25 | 东莞市鑫博电工科技有限公司 | Double-layer and double-outlet cable machine head |
| CN108582720A (en) * | 2018-07-10 | 2018-09-28 | 南塑建材塑胶制品（深圳）有限公司 | A kind of polyolefin pipe extrusion die |
| WO2023045589A1 (en) * | 2021-09-27 | 2023-03-30 | 湖南千山制药机械股份有限公司 | Multi-station blow-fill-seal device |
-
2014
- 2014-04-15 CN CN201420178986.7U patent/CN203831761U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346738A (en) * | 2016-09-23 | 2017-01-25 | 东莞市鑫博电工科技有限公司 | Double-layer and double-outlet cable machine head |
| CN106346738B (en) * | 2016-09-23 | 2019-02-19 | 东莞市鑫博电工科技有限公司 | A kind of double-deck double cable heads out |
| CN108582720A (en) * | 2018-07-10 | 2018-09-28 | 南塑建材塑胶制品（深圳）有限公司 | A kind of polyolefin pipe extrusion die |
| CN108582720B (en) * | 2018-07-10 | 2023-08-29 | 南塑建材塑胶制品（深圳）有限公司 | Polyolefin pipeline extrusion die |
| WO2023045589A1 (en) * | 2021-09-27 | 2023-03-30 | 湖南千山制药机械股份有限公司 | Multi-station blow-fill-seal device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203831761U (en) | Double-layer extruding mould with multiple pipes | |
| CN203172039U (en) | Industrial plastic pipe production line | |
| CN201872319U (en) | Co-extrusion forming machine head for three-layer composite plastic pipe | |
| CN203567157U (en) | Plastic co-extrusion die for producing large-caliber pipes | |
| CN101447261A (en) | Processing method of cable with totally colored surface and extrusion die | |
| CN201998407U (en) | Two-layer extruder head | |
| CN203665911U (en) | Improved extrusion die machine tool for PE pipes | |
| CN102765178B (en) | Composite plastic pipe forming die | |
| CN205112332U (en) | Fly ash hard tube extrusion moulding mould | |
| CN202878648U (en) | One-mould double-tube extruding mould | |
| CN201820525U (en) | Plastic extrusion moulding die used for wire and cable production and capable of realizing double-layered coextrusion | |
| CN203338878U (en) | Die for squeezing out insulation layer and sheath layer in wire in one time | |
| CN2670096Y (en) | Double-layer composite spiral head die of blow molding apparatus | |
| CN206287498U (en) | Round exit distributor | |
| CN202037849U (en) | Novel mold special for acrylonitrile butadiene styrene (ABS) pipes | |
| CN202805607U (en) | Die for hollow spiral sound attenuation pipe | |
| CN205905373U (en) | PP R tubular product mould | |
| CN201089212Y (en) | Extrusion machine head of three layer coextruded blow moulding machine | |
| CN203157093U (en) | Totally-coated double-layer co-extrusion plastic mold | |
| CN208290426U (en) | A kind of three-layer co-extruded pipe process units of PVC | |
| CN201313394Y (en) | Die head device of extruder | |
| CN203141817U (en) | Insert type distributor | |
| CN206085615U (en) | Single screw rod and extruder | |
| CN102463664A (en) | Buffer runner rhombic core model plastic hard tube extruder head | |
| CN202952522U (en) | Self-centering diameter-adjusting mold of plastic extruder |
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: 20140917 Termination date: 20210415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |