CN110171091A - A kind of second time of foaming mold - Google Patents
A kind of second time of foaming mold Download PDFInfo
- Publication number
- CN110171091A CN110171091A CN201910232015.3A CN201910232015A CN110171091A CN 110171091 A CN110171091 A CN 110171091A CN 201910232015 A CN201910232015 A CN 201910232015A CN 110171091 A CN110171091 A CN 110171091A
- Authority
- CN
- China
- Prior art keywords
- foaming layer
- protection tube
- outer protection
- foaming
- conveyor screw
- 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
- 238000005187 foaming Methods 0.000 title claims abstract description 103
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000009740 moulding (composite fabrication) Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
Abstract
This application discloses a kind of second time of foaming molds, including foaming layer conveyor screw, foaming layer core model, foaming layer mouth mold, the outer protection tube core model, outer protection tube mouth mold set gradually along outer wall of inner tube, the foaming layer spiral external surface is formed with the first helicla flute, first annular channel is formed between the foaming layer core model and foaming layer mouth mold, first helicla flute extends to the first annular channel.The advantage of the invention is that secondary frothing forming protects tubing preferably, durability is improved, and mechanical property is more preferable, and use scope is wider.
Description
Technical field
This application involves tube forming field, in particular to a kind of second time of foaming mold.
Background technique
Durability of the molding tubing of one step foaming in certain environment be not high, and service life is shorter.
Summary of the invention
The purpose of the present invention is to provide a kind of second time of foaming molds, with overcome the deficiencies in the prior art.
To achieve the above object, the present invention provides the following technical solutions.
The embodiment of the present application discloses a kind of second time of foaming mold, including the foaming layer spiral set gradually along outer wall of inner tube
Body, foaming layer core model, foaming layer mouth mold, outer protection tube core model, outer protection tube mouth mold, the foaming layer spiral external surface are formed with
One helicla flute, is formed with first annular channel between the foaming layer core model and foaming layer mouth mold, first helicla flute extends
To the first annular channel, the foaming layer conveyor screw outer wall is arranged with foaming layer housing, and the foaming layer housing offers
Sealing is connected to the first feeding inlet of the first extruder, and first feeding inlet is connected to first helicla flute away from described the
One end of one circular passage forms foaming layer chamber between the foaming layer mouth mold and said inner tube, the first annular channel is prolonged
The foaming layer chamber is extended to, the outer protection tube core model outer wall is arranged with outer protection tube conveyor screw, the outer protection tube spiral external surface
It is formed with the second helicla flute, the second circular passage, second spiral shell are formed between the outer protection tube core model and outer protection tube mouth mold
Spin slot extends to second circular passage, and the outer protection tube conveyor screw outer wall is arranged with outer protection tube housing, outside the outer protection tube
Set offers the second feeding inlet that sealing is connected to the second extruder, and second feeding inlet is connected to the second helicla flute back
One end from second circular passage forms outer protection tube chamber between foaming layer outer wall and the outer protection tube mouth mold inner wall, described
Second circular passage extends to the outer protection tube chamber.
Preferably, in above-mentioned second time of foaming mold, the foaming layer is intracavitary to form the foaming layer, the outer protection tube
Intracavitary formation outer protection tube.
Preferably, in above-mentioned second time of foaming mold, the foaming layer mouth mold, outer protection tube core model inner wall maintain an equal level.
Preferably, in above-mentioned second time of foaming mold, the outer protection tube conveyor screw is sheathed on outside the foaming layer mouth mold
Wall, outer protection tube conveyor screw side are formed with connecting flange.
Preferably, in above-mentioned second time of foaming mold, the foaming layer conveyor screw is departing from the foaming layer core model
One end end face is fixedly connected on pulling plate, and foaming layer housing end face is held in the pulling plate end face.
Preferably, in above-mentioned second time of foaming mold, the foaming layer core model is sticked in the foaming layer conveyor screw one
End.
Preferably, in above-mentioned second time of foaming mold, the first helicla flute sectional area is from first feeding inlet
It is gradually reduced to the first annular channel, the second helicla flute sectional area is from second feeding inlet to described second
It is gradually reduced at circular passage.
Compared with the prior art, the advantages of the present invention are as follows secondary frothing formings to protect tubing preferably, durable
Property is improved, and mechanical property is more preferable, and use scope is wider.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 show the cross-sectional view of second time of foaming mold in the specific embodiment of the invention；
Fig. 2 show the perspective view of foaming layer conveyor screw in the specific embodiment of the invention；
Fig. 3 show the perspective view of outer protection tube conveyor screw in the specific embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out detailed retouch
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, those of ordinary skill in the art's every other implementation obtained without making creative work
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In conjunction with shown in Fig. 1-3, second time of foaming mold, including the foaming layer conveyor screw set gradually along 100 outer wall of inner tube
200, foaming layer core model 300, foaming layer mouth mold 400, outer protection tube core model 500, outer protection tube mouth mold 600, outside foaming layer conveyor screw 200
Surface is formed with the first helicla flute 210, and first annular channel is formed between foaming layer core model 300 and foaming layer mouth mold 400
220, the first helicla flute 210 extends to first annular channel 220, and 200 outer wall of foaming layer conveyor screw is arranged with foaming layer housing
230, foaming layer housing 230 offers the first feeding inlet 240 that sealing is connected to the first extruder, the connection of the first feeding inlet 240
Deviate from the one end in first annular channel 220 in the first helicla flute 210, forms foaming layer between foaming layer mouth mold 400 and inner tube 100
Chamber 250, first annular channel 220 extend to foaming layer chamber 250, and 500 outer wall of outer protection tube core model is arranged with outer protection tube conveyor screw
700,700 outer surface of outer protection tube conveyor screw is formed with the second helicla flute 710, between outer protection tube core model 500 and outer protection tube mouth mold 600
It is formed with the second circular passage 720, the second helicla flute 710 extends to the second circular passage 720,700 outer wall of outer protection tube conveyor screw
It is arranged with outer protection tube housing 730, outer protection tube housing 730 offers the second feeding inlet 740 that sealing is connected to the second extruder, the
Two feeding inlets 740 are connected to one end that the second helicla flute 710 deviates from the second circular passage 720,251 outer wall of foaming layer and outer protection tube
Outer protection tube chamber 750 is formed between 600 inner wall of mouth mold, the second circular passage 720 extends to outer protection tube chamber 750.In foaming layer chamber 250
Foaming layer 251 is formed, forms outer protection tube 751 in outer protection tube chamber 750.Foaming layer mouth mold 400,500 inner wall of outer protection tube core model maintain an equal level.
When practice, corresponding foamed material will be placed in two extruders, be then attached to two feeding inlets, twice
Foaming behind helicla flute, circular passage respectively by entering, and when foaming for the first time, foamed material is wrapped in outer wall of inner tube, foaming material
Material is uniformly wrapped in inner tube, due to foaming layer mouth mold, outer protection tube core due to discharging after helicla flute compresses through circular passage
The fair foaming layer chamber in one end is formed in mould, foaming layer is wrapped up in here；Second of foaming, when forming the outer protection tube of package,
Principle is identical, the difference is that outer protection tube is wrapped in the outer wall of first time foaming layer, outer protection tube plays the role of protecting foaming layer；Two
Secondary foaming protects tubing preferably, and durability is improved, and mechanical property is more preferable, and use scope is wider.
Further, outer protection tube conveyor screw 700 is sheathed on 400 outer wall of foaming layer mouth mold, 700 side shape of outer protection tube conveyor screw
At there is connecting flange 760.
In the technical solution, for connecting so that integrally-built firm.
Further, foaming layer conveyor screw 200 is fixedly connected on pulling plate departing from one end end face of foaming layer core model 300
800,230 end face of foaming layer housing is held in 800 end face of pulling plate.
In the technical solution, for connecting so that integrally-built firm.
Further, foaming layer core model 300 is sticked in 200 one end of foaming layer conveyor screw.
In the technical solution, for connecting so that integrally-built firm.
Further, 210 sectional area of the first helicla flute from the first feeding inlet 240 at first annular channel 220 gradually
Reduce, 710 sectional area of the second helicla flute is from the second feeding inlet 740 to being gradually reduced at the second circular passage 720.
In the technical solution, so that discharging after foamed material compression, guarantee to be full of entire circular passage, so that foam filled
It is more evenly full, quality is more preferably.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (7)
1. a kind of second time of foaming mold, which is characterized in that including the foaming layer conveyor screw set gradually along inner tube (100) outer wall
(200), foaming layer core model (300), foaming layer mouth mold (400), outer protection tube core model (500), outer protection tube mouth mold (600), the hair
Alveolar layer conveyor screw (200) outer surface is formed with the first helicla flute (210), the foaming layer core model (300) and foaming layer mouth mold
(400) it is formed between first annular channel (220), first helicla flute (210) extends to the first annular channel
(220), foaming layer conveyor screw (200) outer wall is arranged with foaming layer housing (230), and the foaming layer housing (230) opens up
There is sealing to be connected to the first feeding inlet (240) of the first extruder, first feeding inlet (240) is connected to first spiral
Slot (210) deviates from one end of the first annular channel (220), between the foaming layer mouth mold (400) and said inner tube (100)
It is formed foaming layer chamber (250), the first annular channel (220) extends to the foaming layer chamber (250), the outer protection tube core model
(500) outer wall is arranged with outer protection tube conveyor screw (700), and outer protection tube conveyor screw (700) outer surface is formed with the second helicla flute
(710), it is formed with the second circular passage (720) between the outer protection tube core model (500) and outer protection tube mouth mold (600), described
Two helicla flutes (710) extend to second circular passage (720), and outer protection tube conveyor screw (700) outer wall is arranged with outer shield
Pipe housing (730), the outer protection tube housing (730) offer the second feeding inlet (740) that sealing is connected to the second extruder, institute
It states the second feeding inlet (740) and is connected to one end that second helicla flute (710) deviates from second circular passage (720), hair
Outer protection tube chamber (750) are formed between alveolar layer (251) outer wall and the outer protection tube mouth mold (600) inner wall, second circular passage
(720) the outer protection tube chamber (750) is extended to.
2. second time of foaming mold according to claim 1, which is characterized in that described in being formed in the foaming layer chamber (250)
Foaming layer (251), the outer protection tube chamber (750) is interior to form outer protection tube (751).
3. second time of foaming mold according to claim 1, which is characterized in that the foaming layer mouth mold (400), outer protection tube core
Mould (500) inner wall maintains an equal level.
4. second time of foaming mold according to claim 1, which is characterized in that the outer protection tube conveyor screw (700) is sheathed on
Foaming layer mouth mold (400) outer wall, outer protection tube conveyor screw (700) side are formed with connecting flange (760).
5. second time of foaming mold according to claim 1, which is characterized in that the foaming layer conveyor screw (200) departing from
One end end face of the foaming layer core model (300) is fixedly connected on pulling plate (800), and foaming layer housing (230) end face supports
In the pulling plate (800) end face.
6. second time of foaming mold according to claim 1, which is characterized in that the foaming layer core model (300) is sticked in institute
State foaming layer conveyor screw (200) one end.
7. second time of foaming mold according to claim 1, which is characterized in that the first helicla flute (210) sectional area is certainly
To being gradually reduced at the first annular channel (220) at first feeding inlet (240), second helicla flute (710) is cut
Area is from second feeding inlet (740) to being gradually reduced at second circular passage (720).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232015.3A CN110171091A (en) | 2019-03-26 | 2019-03-26 | A kind of second time of foaming mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232015.3A CN110171091A (en) | 2019-03-26 | 2019-03-26 | A kind of second time of foaming mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110171091A true CN110171091A (en) | 2019-08-27 |
Family
ID=67689323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910232015.3A Pending CN110171091A (en) | 2019-03-26 | 2019-03-26 | A kind of second time of foaming mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110171091A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7409551L (en) * | 1974-07-23 | 1976-01-26 | Rakennusmuovi Oy | NOZZLE HEAD FOR MANUFACTURE OF INSULATION PIPES. |
| CN1267801A (en) * | 2000-04-13 | 2000-09-27 | 陈仁慈 | Metal pipe with heat-insulating foamed plastic coating and its manufacture |
| CN2568918Y (en) * | 2001-09-28 | 2003-08-27 | 上海三净塑复铜管有限公司 | Foamed plastic coated red copper tube and its mfg. moulding die |
| CN1537713A (en) * | 2003-04-18 | 2004-10-20 | 周萍萍 | Manufacturing method of heat insulating metal pipe loved with micro foamed plastic layer |
| CN201712123U (en) * | 2010-07-09 | 2011-01-19 | 王彩琴 | Rolling die for plastic coated foamed metal tube |
| CN204604855U (en) * | 2015-04-13 | 2015-09-02 | 湖北中硕科技有限公司 | A kind of PPR pipe co-extruder head |
| CN206690507U (en) * | 2017-05-16 | 2017-12-01 | 潍坊中云机器有限公司 | A kind of large-caliber double-wall bellow head |
| CN209794375U (en) * | 2019-03-26 | 2019-12-17 | 江苏欣荣普尔斯机械有限公司 | Secondary foaming mould |
-
2019
- 2019-03-26 CN CN201910232015.3A patent/CN110171091A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7409551L (en) * | 1974-07-23 | 1976-01-26 | Rakennusmuovi Oy | NOZZLE HEAD FOR MANUFACTURE OF INSULATION PIPES. |
| CN1267801A (en) * | 2000-04-13 | 2000-09-27 | 陈仁慈 | Metal pipe with heat-insulating foamed plastic coating and its manufacture |
| CN2568918Y (en) * | 2001-09-28 | 2003-08-27 | 上海三净塑复铜管有限公司 | Foamed plastic coated red copper tube and its mfg. moulding die |
| CN1537713A (en) * | 2003-04-18 | 2004-10-20 | 周萍萍 | Manufacturing method of heat insulating metal pipe loved with micro foamed plastic layer |
| CN201712123U (en) * | 2010-07-09 | 2011-01-19 | 王彩琴 | Rolling die for plastic coated foamed metal tube |
| CN204604855U (en) * | 2015-04-13 | 2015-09-02 | 湖北中硕科技有限公司 | A kind of PPR pipe co-extruder head |
| CN206690507U (en) * | 2017-05-16 | 2017-12-01 | 潍坊中云机器有限公司 | A kind of large-caliber double-wall bellow head |
| CN209794375U (en) * | 2019-03-26 | 2019-12-17 | 江苏欣荣普尔斯机械有限公司 | Secondary foaming mould |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190827 |