CN206201433U - Extrusion die with inner circulating tube - Google Patents
Extrusion die with inner circulating tube Download PDFInfo
- Publication number
- CN206201433U CN206201433U CN201621108096.4U CN201621108096U CN206201433U CN 206201433 U CN206201433 U CN 206201433U CN 201621108096 U CN201621108096 U CN 201621108096U CN 206201433 U CN206201433 U CN 206201433U
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- CN
- China
- Prior art keywords
- core
- mouth mold
- outer mouth
- cooling tube
- extrusion die
- 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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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a kind of extrusion die with inner circulating tube, including cooling tube, outer mouth mold, interior mouth mold and core, the cooling tube is in the shape of a spiral, the spire of cooling tube is placed in collar extension die cavity, the core includes core cylinder connecting portion, core fix bar and core grip block, described core cylinder connecting portion one end is connected by core fix bar with core grip block, the other end cooperatively forms forming plastic pipe runner with interior mouth mold, the utility model can fully reduce the temperature of extrusion die, ensure the uniformity and intensity of plastic tube wall, improve yield rate.
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
The die head that pipe is cooled down.
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, extrusion die of the prior art lacks cooling structure, even if being provided with cooling structure in portion of techniques
But cooling effect is poor, it is difficult to reach the temperature conditionss in preferable extrusion, plastics are easy to glue with die surface during extrusion
Glutinous, in extrusion, moment plastic tube is very soft is easily deformed, and causes pipe thickness uneven, and the intensity of plastic tube is greatly reduced even
There is waste product.
The content of the invention
In view of this, the utility model is directed to a kind of extrusion die with inner circulating tube, is extruded with abundant reduction
The temperature of mould, it is to avoid plastics are viscous with mould glutinous, it is ensured that the uniformity and intensity of plastic tube wall, improve the yield rate of plastic tube.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of extrusion die head with inner circulating tube, including outer mouth mold, core, interior mouth mold and cooling tube, the collar extension
Mould is in the cylindrical sleeve tubular without end face, along collar extension mold shaft to several outer mouth mold bolt holes are provided with sleeve wall, in collar extension
Two cooling pipe orifices are radially provided with die wall, for two end pipes through cooling tube, the cooling tube is in the shape of a spiral, cold
But the spire of pipe is placed in collar extension die cavity, and the spire of cooling tube is coaxial with outer mouth mold, cooling tube into and out of pipe through outer
Radial direction cooling pipe orifice in mouth mold cavity wall, space is provided with the interior mouth mold of the cylindrical sleeve tubular without end face in the spiral of cooling tube,
And the spire of cooling tube, outer mouth mold, interior mouth mold three are coaxial, i.e. the spire of cooling tube between outer mouth mold and interior mouth mold,
The core includes core grip block, core cylinder connecting portion, core fix bar, and the core grip block is provided with and outer mouth mold
The hole of the axial hole corresponding matching in cavity wall, for through fixing bolt, core grip block center is dug to be had for flowing through melting modeling
The hole of material, described core cylinder connecting portion one end is connected by some core fix bars with core grip block, in other end insertion
In mouth mold chamber forming plastic pipe runner is formed with the gap between interior mouth mold.
Further, the port of export of the extrusion die is additionally provided with end plate, and end plate can prevent dirt from entering interior mouth mold, collar extension
Gap between mould, while assistant formation can be played a part of to the plastic tube extruded.
Further, the end plate is in circle wall-like, and central hole size is more than internal orifice mold cavity size.
Further, it is provided with sealing gasket between the arrival end and extruder of the extrusion die, it is ensured that die head and extruder
Sealing.
Further, the core also includes core frustum transition part and core cylinder auxiliary section, the core frustum mistake
Cross portion small table top end it is coaxial with the abutting end of core cylinder connecting portion connect, the other end is coaxial with core cylinder auxiliary section one end
Connect, the core cylinder auxiliary section is cylindrical, forming plastic pipe runner is formed with the gap between interior mouth mold, it is such to set
Meter can make molten plastic mobility more preferable, it is ensured that the thickness evenness of plastic tube wall.
Relative to prior art, the extrusion die head with inner circulating tube described in the utility model has the advantage that：
(1) the spiral helicine cooling tube between interior mouth mold of the present invention and outer mouth mold can be in forming plastic pipe process
Just plastic tube is precooled, plastic tube is prevented in extrusion die head and is even managed because occurring caliber deformation the reason for gravity
The uneven defect of wall, improves yield rate.
(2) extrusion die with inner circulating tube of the present invention, is prevented from plastic molten melt material and is sticky in mold cavity
It is interior, block mould.
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 extrusion die explosive view described in the utility model embodiment；
Fig. 2 is the extrusion die constitutional diagram described in the utility model embodiment；
Fig. 3 is the outer mouth mold schematic diagram described in the utility model embodiment；
Fig. 4 is the core stereogram described in the utility model embodiment；
Fig. 5 is the core front view described in the utility model embodiment；
Fig. 6 is the interior mouth mold schematic diagram described in the utility model embodiment；
Fig. 7 is the cooling tube schematic diagram described in the utility model embodiment.
Description of reference numerals：
The outer mouth molds of 1-；The outer mouth mold bolt holes of 10-；140- pores；2- cores；20- core bolt holes；21- core posts
Body auxiliary section；22- core frustum transition parts；23- core cylinder connecting portions；24- core grip blocks；243- core fix bars；3-
Interior mouth mold；30- internal orifice die cavitys；4- cooling tubes；41- cooling tube imports；42- cooling tubes are exported；5- end plates；6- sealing gaskets；7- consolidates
Determine bolt.
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 Fig. 1, a kind of extrusion die head with inner circulating tube, including outer mouth mold 1, core 2, interior mouth mold 3 and cooling
Pipe 4, as shown in figure 3, the outer mouth mold 1 is in the cylindrical sleeve tubular without end face, along collar extension mold shaft to being provided with the cavity wall of outer mouth mold 1
Four outer mouth mold bolt holes 10, are radially provided with two pores 140 in the cavity wall of outer mouth mold 1, for through cooling tube 4
Two end pipes, as shown in fig. 7, the cooling tube 4 is in the shape of a spiral, the straight sections of cooling tube 4 are respectively cooling tube imports 41 and cold
But pipe outlet 42, the spire of cooling tube 4 is placed in the chamber of outer mouth mold 1, and the spire of cooling tube 4 is coaxial with outer mouth mold 1, cooling
Pipe 4 into and out of pipe through the cavity wall of outer mouth mold 1 on radial direction cooling pore 140, the spiral center space of cooling tube 4 is provided with nothing
The interior mouth mold 3 of the cylindrical sleeve tubular of end face, as shown in fig. 6, and the spire of cooling tube 4, outer mouth mold 1, the three of interior mouth mold 3 be total to
Between outer mouth mold 1 and interior mouth mold 3, as shown in Figure 4,5, the core 2 is clamped including core for axle, the i.e. spire of cooling tube 4
Plate 24, core cylinder connecting portion 23, core fix bar 243, the core grip block 24 are provided with and outer mouth mold bolt hole 10
The equal core bolt hole 20 in aperture, for through fixing bolt 7, the center of core grip block 24 is dug to be had for flowing through melting modeling
The hole of material, described one end of core cylinder connecting portion 23 is connected by some core fix bars 243 with core grip block 24, the core
Mould 2 also include core frustum transition part 22 and core cylinder auxiliary section 21, the small table top end of the core frustum transition part 22 with
The abutting end of core cylinder connecting portion 23 is coaxial to connect, and the other end is coaxial with 21 one end of core cylinder auxiliary section to connect, the core
Mould cylinder auxiliary section 21 is cylindrical, is placed in internal orifice die cavity 30, and forming plastic pipe stream is formed with the gap between interior mouth mold 3
Road, it is such to be designed to make molten plastic mobility more preferable, it is ensured that the thickness evenness of plastic tube wall, in extrusion die
The port of export is additionally provided with end plate 5, and end plate 5 can prevent dirt from entering the gap between interior mouth mold 1, outer mouth mold 3, while can be to extrusion
Plastic tube play a part of assistant formation, be provided with sealing gasket 6 between the arrival end and extruder of extrusion die, it is ensured that die head
With the sealing of extruder.
The extrusion die with inner circulating tube, in extrusion plastic melting charge, passage stream of the melting charge from extruder
To core 2, the of short duration aggregation at the core cylinder connecting portion 23 of core 2, melting charge is uniform after core frustum transition part 22
Inside mouth mold 3 is flowed into the runner that core cylinder auxiliary section 21 is formed, and now has the cooling being cycling in and out to circulate in cooling tube 4
Water, lowers the temperature in advance to the melting charge in runner, it is ensured that the uniformity of plastic tube wall, prevents melting charge from blocking runner, improves production effect
Rate, improves yield rate.
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 (5)
1. there is the extrusion die of inner circulating tube, it is characterised in that：Including outer mouth mold (1), core (2), interior mouth mold (3) and cooling
Pipe (4), the outer mouth mold (1) is axially uniformly opened in outer mouth mold (1) cavity wall in the round buss shape without end face along outer mouth mold (1)
There are several outer mouth mold bolt holes (10), two pores (140), the cooling are radially provided with outer mouth mold (1) cavity wall
Pipe (4) include spire and straight sections, the spire of cooling tube (4) is placed in outer mouth mold (1) chamber, and cooling tube (4) spiral
Portion is coaxial with outer mouth mold (1), and the two ends straight sections of cooling tube (4) are cooling tube import (41) and cooling tube outlet (42) and difference
Through pore (140), the interior mouth mold (3) of the round buss shape without end face is provided with the central space of the spire of cooling tube (4),
And the spire of cooling tube (4), outer mouth mold (1), interior mouth mold (3) three are coaxial, the core (2) includes core grip block
(24), core cylinder connecting portion (23), core fix bar (243), the core grip block (24) are provided with and outer mouth mold bolt
Through hole (10) aperture, for through fixing bolt (7), core grip block (24) digs centre bore, the core cylinder connecting portion
(23) one end is connected by some core fix bars (243) with core grip block (24), and the other end is inserted in internal orifice die cavity (30),
Forming plastic pipe runner is formed with the gap between internal orifice die cavity wall.
2. the extrusion die with inner circulating tube according to claim 1, it is characterised in that：The port of export of outer mouth mold (1)
End plate (5) is provided with, the end plate (5) stops that dirt enters the space between interior mouth mold (3) and outer mouth mold (1).
3. the extrusion die with inner circulating tube according to claim 2, it is characterised in that：The end plate (5) is in circle wall
Shape, central hole size is more than interior mouth mold (3) interior chamber size.
4. the extrusion die with inner circulating tube according to claim 1, it is characterised in that：The arrival end of outer mouth mold (1)
It is provided with Gask-O-Seal (6).
5. the extrusion die with inner circulating tube according to claim 1, it is characterised in that：The core (2) also includes
Core frustum transition part (22) and core cylinder auxiliary section (21), the small table top end of the core frustum transition part (22) and core
The abutting end of cylinder connecting portion (23) is coaxial to connect, and the other end is coaxial with core cylinder auxiliary section (21) one end to connect, the core
Mould cylinder auxiliary section (21) is cylindrical, coaxial with interior mouth mold (3) to cooperatively form plastic molten melt stream road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621108096.4U CN206201433U (en) | 2016-10-09 | 2016-10-09 | Extrusion die with inner circulating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621108096.4U CN206201433U (en) | 2016-10-09 | 2016-10-09 | Extrusion die with inner circulating tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206201433U true CN206201433U (en) | 2017-05-31 |
Family
ID=58761428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621108096.4U Expired - Fee Related CN206201433U (en) | 2016-10-09 | 2016-10-09 | Extrusion die with inner circulating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206201433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313472A (en) * | 2016-10-09 | 2017-01-11 | 天津盛欣佳业科技有限公司 | Plastic extrusion die with cooling structure |
-
2016
- 2016-10-09 CN CN201621108096.4U patent/CN206201433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313472A (en) * | 2016-10-09 | 2017-01-11 | 天津盛欣佳业科技有限公司 | Plastic extrusion die with cooling structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Duo Shuai Inventor before: Tang Liwei |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171009 Address after: 300401 science and Technology Park, Shuang Town, Beichen District, Tianjin Patentee after: Luyuan food (Tianjin) Network Technology Co. Ltd. Address before: 300000 Heping District, Tianjin City, South Gate Street, No. 16 Lhasa Road, Heping District, e-commerce building, No. 9143 Patentee before: Tianjin Sheng xinjiaye Technology Co. Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |