CN206201431U - Inside and outside double-cooled type extrusion die - Google Patents
Inside and outside double-cooled type extrusion die Download PDFInfo
- Publication number
- CN206201431U CN206201431U CN201621108007.6U CN201621108007U CN206201431U CN 206201431 U CN206201431 U CN 206201431U CN 201621108007 U CN201621108007 U CN 201621108007U CN 206201431 U CN206201431 U CN 206201431U
- Authority
- CN
- China
- Prior art keywords
- cooling
- external mold
- external
- core
- branch fastener
- 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
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- Moulds For Moulding Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a kind of inside and outside double-cooled type extrusion die, including cooling structure, external mold and core, the core is fixed on external mold lumen centers portion, form runner, there is the cooling pipe of insertion in core entity portion, the external end of core cooling pipe is connected with supportive body structure, the free end of supportive body structure is connected with branch fastener, supportive body structure is the column structure with hollow cooling pipe, one outer die cavity wall cooling duct is set in external mold entity portion, external mold annular cooling duct is communicated with the external cooling end of external mold, the external cooling end of external mold is solid in external mold outer end, the built-in end of the core cooling pipe communicates with cooling total pipeline.The utility model can support plastic flexible pipe during extrusion, improve the uniformity of plastic tube wall thickness, while from managing inside and outside while being precooled, accelerating the cooling and solidifying speed of plastic tube.
Description
Technical field
The utility model belongs to plastic pipe extruder technical field, more particularly, to it is a kind of can be to the plastics in extrusion
Pipe carries out Auxiliary support and the die head for precooling.
Background technology
Plastics extrusion die is the mould for forming plastic pipe, installed in extruding machine output end, in production plastic pipe
When extruded, it is necessary to combine the mould to be formed using mouth mold and core, mouth mold control plastic pipe outer shape, core control
The interior shape of tubulation material, because plastic tube is not cooled down immediately after plastic extrusion, and because of gravity, plastic tube extrusion
When in radial directions easily deformation even there is the even problem of wall unevenness, the structural behaviour for ultimately resulting in homogeneous tube is poor.
The content of the invention
In view of this, the utility model is directed to a kind of inside and outside double-cooled type extrusion die, and plastics during support extrusion are soft
Tubular construction, can improve the uniformity of plastic tube wall thickness, while precooled from inside of plastic tubes and outside simultaneously, accelerate plastics
The cooling and solidifying speed of pipe.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of novel cooling type plastic pipe mold head, including external mold, core and cooling structure, the core are connected by core
Socket part is fixed on external mold lumen centers portion, forms the runner of annular melting charge, and there are the cooling pipe of insertion, core in core entity portion
The external end of cooling pipe is connected with supportive body structure, and the free end of supportive body structure is connected with branch fastener, the support
Agent structure is the column structure with hollow cooling pipe, and an outer die cavity wall cooling duct is set in the external mold entity portion,
One end connects with cooling total pipeline, and the other end connects with external mold annular cooling duct, and the external mold annular cooling duct is in external mold outer end
In the cavity wall in portion, external mold annular cooling duct is communicated with the external cooling end of external mold, and the external cooling end of external mold is looped around the plastics of extrusion
Pipe is outer, and the built-in end of the core cooling pipe also communicates with cooling total pipeline, from cooling total pipeline respectively to the cooling of core
The integrated cooling duct conveying cooling water of road and external mold.
Further, some supportive body composition umbrella frame shapes, branch fastener internal cavity is communicated with supportive body cavity, propped up
Fastener outer surface is contacted with the plastic tube inner chamber wall of extrusion, and plastic flexible pipe is played a supporting role.
Further, the non-contact portion on the branch fastener is porous portion, can spray the cooling water in branch fastener cavity,
The plastic tube extruded is cooled down in plastics tube cavity.
Further, the external cooling end of the external mold is in double-layer sleeve structure, the cavity that two sleeves are formed and external mold annular
Cooling duct is communicated, if inner sleeve is provided with dry hole, the space that cooling water flows into double sleeves formation sprays through the hole of inner sleeve, to plastics
Pipe carries out outer cooling.
Further, buffer unit is connected between the branch fastener, buffer unit provides outside support for branch fastener
Power, buffer unit can be arranged to the structure that the screw rod and screw sleeve of adjustable length coordinate.
Relative to prior art, plastic pipe mold described in the utility model has following advantage：
The utility model can support plastic flexible pipe structure during extrusion, prevent plastic tube wall thickness irregular, shape distortion
Defect, can simultaneously be cooled down from after pipe shaping in inside and outside, accelerate the cooling and solidifying speed of plastic tube.
Brief description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing being further understood to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the plastic pipe mold schematic diagram described in the utility model embodiment.
Description of reference numerals：
1- plastic tubes；2- external molds；The outer die cavity wall cooling ducts of 21-；22- external molds annular cooling duct；The external cooling of 23- external molds
Portion；230- cools down total pipeline；3- cores；30- core connecting portion through holes；31- core connecting portions；301- core cooling ducts；302-
Supportive body；303- branch fasteners；304- buffer units.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that the device or element of meaning with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is to limitation of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
With reference to shown in Fig. 1, a kind of novel cooling type plastic pipe mold head, including external mold 2, core 3 and cooling supporting construction,
The core 3 is fixed on the lumen centers portion of external mold 2 by core connecting portion 31, forms the runner of annular melting charge, the entity of core 3
The external end that there is the core cooling duct 301 of insertion, core cooling duct 301 in portion is connected with the structure of supportive body 302, supportive body
The free end of 302 structures is connected with branch fastener 303, and the structure of the supportive body 302 is the cylinder knot with hollow cooling pipe
Structure, branch fastener 303 is hollow spherical shape structural member, and cavity is communicated with cavity in supportive body 302 in branch fastener 303, branch fastener
303 are contacted with the inner wall smooth of plastic tube 1, and an outer die cavity wall cooling duct 21, one end are set in the cavity wall in the entity portion of the external mold 2
Connect with cooling total pipeline 230, the other end connects with external mold annular cooling duct 22, the external mold annular cooling duct 22 is in external mold 2
In the cavity wall of end, external mold annular cooling duct 22 is communicated with the external cooling end 23 of external mold, and the external cooling end 23 of external mold is looped around crowded
Outside the plastic tube 1 for going out, the built-in end of the core cooling duct 301 also communicates with cooling total pipeline 230, by cooling total pipeline 230
Respectively cooling water is conveyed to the integrated cooling duct of core cooling duct 301 and external mold.
Preferably, some supportive bodies 302 are bend pipe, and bend pipe is at least 4, optimal paired uniform composition umbrella frame shape
Shape, the internal cavity of branch fastener 303 is communicated with supportive body cavity, the plastic tube inner chamber wall light of the outer surface of branch fastener 303 and extrusion
It is sliding to touch, plastic flexible pipe to be played a supporting role, the non-contact portion on the branch fastener 303 is loose structure, can make branch fastener
Cooling water in 303 cavitys sprays, and the plastic tube 1 to extruding carries out internal cooling.
Preferably, the external cooling end 23 of the external mold is in double-layer sleeve structure, the cavity that two sleeves are formed and external mold annular
Cooling duct 22 is communicated, if inner sleeve is provided with dry hole, the space that cooling water flows into double sleeves formation sprays through the hole of inner sleeve, to modeling
Expects pipe 1 carries out outside cooling.
Preferably, buffer unit 304 is connected between the branch fastener, buffer unit 304 provides outside for branch fastener
Support force, can as needed adjust buffer unit 304 to adjust the spacing of branch fastener 303, realize the function of expanding plastic tube 1, delay
Rushing part 304 can be arranged to the structure that the screw rod and screw sleeve of adjustable length coordinate, also can be using the spring structure being pressurized.
The course of work of plastic pipe mold：When plastic molten melt material is extruded from annular channel, there is compression spring or adjustable
Screw rod and the mechanism that coordinates of screw sleeve support force is provided out to the inwall of plastic tube 1 for branch fastener 303, while cooling water is from cold
But total pipeline 230 is flowed into, and flows to supportive body 302 through core cooling pipe 301, then spray from the loose structure portion of branch fastener 303
Go out, so as to realize cooling down it from inside plastic tube 1, cooling water is flowed into from cooling total pipeline 230, is cooled down through outer die cavity wall
Road 21 is flowed in external mold annular cooling duct 22, then flows to the perforate after the external cooling end 23 of external mold from the external cooling end 23 of external mold
Spray, realize being cooled down from the outside of plastic tube 1 alignment of extrusion, on whole production line, in order that the cooling in plastic tube 1
Water outflow from pipe, producing line is designed to certain angle of inclination, has been baked inside plastic tube 1 after drying section is entered and has dried shape
State, the mould is prevented from plastic tube and occurs that thickness is irregular or deformation defect causes to follow the fabrication errors such as its pressure ripple closely
Occur.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of plastic pipe mold, it is characterised in that：Including external mold (2), core (3) and cooling structure, the core (3) passes through
Core connecting portion (31) is fixed on external mold (2) lumen centers portion, forms plastic passages, and the cooling structure is included on external mold (2)
Coolant flow channel and core (3) on coolant flow channel, an outer die cavity wall cooling duct is set in the cavity wall in external mold (2) the entity portion
(21), outer die cavity wall cooling duct (21) one end communicates with cooling total pipeline (230), annular cooling duct (22) phase of the other end and external mold
Logical, external mold annular cooling duct (22) is in the cavity wall of external mold (2) end, and external mold annular cooling duct (22) is external with external mold cold
But portion (23) communicate, solid external mold (2) end of external mold external cooling end (23) ring, and are provided with water spray on the external cooling end of external mold (23)
There is the core cooling duct (301) of insertion in hole, core (3) the entity portion, and the external end of core cooling duct (301) is connected with support
Main body (302), the supportive body (302) is hollow structure, and the free end of supportive body (302) is connected with branch fastener (303),
The branch fastener (303) is hollow spherical shape structural member, and cavity is communicated with cavity in supportive body (302) in branch fastener (303),
Branch fastener (303) is contacted with plastic tube (1) inner wall smooth, and the non-contact portion on branch fastener (303) is to be provided with porous, the core
The built-in end of cooling duct (301) communicates with cooling total pipeline (230).
2. plastic pipe mold according to claim 1, it is characterised in that：The supportive body (302) is bend pipe, and bend pipe is extremely
It is less four, constitutes umbrella frame shape, branch fastener (303) internal cavity is communicated with supportive body (302) cavity, branch fastener (303)
Outer surface and plastic tube (1) inner chamber wall smooth contact.
3. plastic pipe mold according to claim 1, it is characterised in that：The external cooling end of external mold (23) is in double braid covering
Barrel structure, the cavity that two sleeves are formed is communicated with external mold annular cooling duct (22), if inner sleeve is provided with dry hole, cooling water flows into double
The space that sleeve is formed sprays through the hole of inner sleeve.
4. plastic pipe mold according to claim 1, it is characterised in that：Buffering is connected between the branch fastener (303)
Part (304), buffer unit (304) control branch fastener (303) spacing, the buffer unit (304) is arranged to adjustable length
Screw rod and screw sleeve coordinate structure, or using be pressurized spring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621108007.6U CN206201431U (en) | 2016-10-09 | 2016-10-09 | Inside and outside double-cooled type extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621108007.6U CN206201431U (en) | 2016-10-09 | 2016-10-09 | Inside and outside double-cooled type extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206201431U true CN206201431U (en) | 2017-05-31 |
Family
ID=58762139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621108007.6U Expired - Fee Related CN206201431U (en) | 2016-10-09 | 2016-10-09 | Inside and outside double-cooled type extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206201431U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273337A (en) * | 2016-10-09 | 2017-01-04 | 天津中天富泰科技有限公司 | Novel cooling type plastic tube die head |
| CN114176155A (en) * | 2021-11-30 | 2022-03-15 | 山东真诺智能设备有限公司 | Tubular cooling sleeve |
-
2016
- 2016-10-09 CN CN201621108007.6U patent/CN206201431U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273337A (en) * | 2016-10-09 | 2017-01-04 | 天津中天富泰科技有限公司 | Novel cooling type plastic tube die head |
| CN114176155A (en) * | 2021-11-30 | 2022-03-15 | 山东真诺智能设备有限公司 | Tubular cooling sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171031 Address after: 518000, Shenzhen, Guangdong, Baoan District, Fuyong Street Phoenix Third Industrial Zone Teng Feng Avenue No. 1 building, the first floor of the factory floor Patentee after: Shenzhen City Huafeng Precision Technology Co. Ltd. Address before: 300000 Heping District, Tianjin City, South Gate Street, No. 16 Lhasa Road, Heping District, e-commerce building, No. 9118 Patentee before: Tianjin Zhongtian Futai Technology Co. Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201009 |