CN208978229U - The extrusion molding mould of PVC pipe - Google Patents
The extrusion molding mould of PVC pipe Download PDFInfo
- Publication number
- CN208978229U CN208978229U CN201821614259.5U CN201821614259U CN208978229U CN 208978229 U CN208978229 U CN 208978229U CN 201821614259 U CN201821614259 U CN 201821614259U CN 208978229 U CN208978229 U CN 208978229U
- Authority
- CN
- China
- Prior art keywords
- mouth mold
- core model
- extrusion molding
- guide part
- pvc pipe
- 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
- 238000001125 extrusion Methods 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims abstract description 18
- 208000015943 Coeliac disease Diseases 0.000 claims description 19
- -1 polytetrafluoroethylene ring Polymers 0.000 claims description 11
- 208000020442 loss of weight Diseases 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of extrusion molding moulds of PVC pipe, comprising: mouth mold, inner wall set mouth mold guide part, and mouth mold guide part one end sets mouth mold forming part, and the other end sets sprue；Core model, set on its outer wall with the matched core model guide part of mouth mold guide part and with the matched mandrel molding portion of mouth mold forming part, core model is placed in mouth mold inner cavity, interval forms material guide channel between mouth mold guide part and core model guide part, interval forms tube forming channel between mouth mold forming part and mandrel molding portion, tube forming channel is connected to material guide channel, and material guide channel is connected to sprue；Pedestal, mouth mold are removably mounted on pedestal close to sprue one end and core model close to core model guide part one end.The extrusion molding mould is flexible and convenient to use, the specification of tubing shaping channel is adjusted to adapt to the production needs of different size tubing, also replaceable mouth mold or core model, are not necessarily to scrap entire extrusion molding mould when it wears.
Description
Technical field
The utility model relates to extrusion molding apparatus technical fields, in particular to a kind of extrusion molding of PVC pipe
Mold.
Background technique
Mould for plastics at present on the market is many kinds of, wherein extrusion die is for completing extrusion molding process
Major die.Its mainly using pressure will by the processed plastics such as hot melt by tripper squeeze into core model and mouth mold it
Between form.The design of mould structure is crucial one of influence factor, structurally reasonable mould strength in plastic extrusion production
Well, extruding force is small, stability is good, throughput is big, the service life is long, qualification rate is high.
The existing extrusion molding mould for PVC pipe generally includes mouth mold and core model, and material is mixed in extruder
After closing hot melt, tubing is squeezed out between mouth mold and core model.Existing PVC pipe extrusion molding mould mainly there is also
Following shortcoming: (1), extrusion molding mould can only use the mouth mold and core model of certain size, can not be according to producing
Tubing specification and mold is adjusted flexibly, also, when in mold mouth mold or core model wear when, cannot replace corresponding
Mouth mold or core model need to scrap on entire mold, and using flexible is not high；(2), the inner surface for the tubing produced and/or
Outer surface is easy to appear a small amount of flaw, causes tube surfaces not smooth enough, influences pipe workpiece quality.
Utility model content
The main purpose of the utility model is to provide a kind of extrusion molding moulds of PVC pipe, to solve the prior art
In the not high problem of PVC pipe extrusion die using flexible.
To achieve the goals above, the utility model provides a kind of extrusion molding mould of PVC pipe, the extrusion molding
Mold includes: mouth mold, and mouth mold is annular in shape, and inner wall is equipped with a mouth mold guide part, one end of mouth mold guide part be equipped with mouth mold at
Type portion, the other end of mouth mold guide part are equipped with multiple sprues, and sprue is by the inside and outside connection of mouth mold；Core model, core model
It is cylindrical, what the core model guide part and one that outer wall matches equipped with one with mouth mold guide part matched with mouth mold forming part
Mandrel molding portion, core model are placed in the inner cavity of mouth mold, and it is logical to form material guiding for interval between mouth mold guide part and core model guide part
Road, interval forms tube forming channel, tube forming channel and material guide channel between mouth mold forming part and mandrel molding portion
Connection, material guide channel are connected to sprue；Pedestal, mouth mold is close to one end of sprue and core model close to core model guide part
One end passes through bolt and is removably mounted on pedestal.
Further, core model is equipped with a polytetrafluoroethyldisk disk, and polytetrafluoroethyl-ne close to one end end face in mandrel molding portion
The outer surface of alkene disk is flushed with mandrel molding portion.
Further, mouth mold is equipped with a polytetrafluoroethylene ring, and polytetrafluoroethyl-ne close to one end end face of mouth mold forming part
The inner surface of alkene ring is flushed with mouth mold forming part.
Further, polytetrafluoroethyldisk disk and polytetrafluoroethylene ring are equal along the thickness of extrusion molding mould axis direction.
Further, a leak-proof washer is equipped between pedestal and mouth mold and core model.
Further, the quantity of sprue is at least four, and at least four sprue bead modular rings are to being uniformly arranged.
Further, the inside of core model is equipped with a loss of weight inner cavity.
It, only need to be by mouth mold or core model when needing to produce the tubing of different size using the technical solution of the utility model
It is dismantled from pedestal, replaces the core model in the mouth mold with different size mouth mold forming part or the mandrel molding portion with different size
, internal diameter, outer diameter and the thickness size in tube forming channel, Jin Ersheng are adjusted by the mouth mold or core model of replacing different size
The PVC pipe of output different size；When mouth mold or core model are worn, only need to be removed the mouth mold for replacing same specification or
Core model.The extrusion molding mould is flexible and convenient to use, it is convenient to adjust the specification of tubing shaping channel to adapt to difference
The production of size pipe needs, and is also convenient for changing mouth mold or core model, when one of them wears without scrapping entire extrusion
Molding die.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the extrusion molding mould of the utility model embodiment.
Fig. 2 is the end view of the extrusion molding mould pedestal side of the utility model embodiment.
Fig. 3 is the end view of the extrusion molding mould polytetrafluoroethyldisk disk side of the utility model embodiment.
Fig. 4 is that the extrusion molding mould of the utility model embodiment replaces the structural schematic diagram after different size mouth mold.
Wherein, the above drawings include the following reference numerals:
10, mouth mold；11, mouth mold guide part；12, mouth mold forming part；13, sprue；14, polytetrafluoroethylene ring；20, core
Mould；21, core model guide part；22, mandrel molding portion；23, polytetrafluoroethyldisk disk；24, loss of weight inner cavity；30, pedestal；40, material is led
To channel；50, tube forming channel；60, leak-proof washer.
Specific embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, meticulously describes, but the protection scope of the utility model is not limited to embodiment in detail below.
Unless otherwise defined, all technical terms used hereinafter and the normally understood meaning of those skilled in the art
It is identical.The similar word of "one" or " one " etc. used in the utility model patent application specification and claims is not
It indicates quantity limitation, but indicates that there are at least one.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirectly."upper", "lower",
"left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed
System also correspondingly changes.
Referring to Fig. 1 to Fig. 4, a kind of extrusion molding mould of the PVC pipe of the utility model embodiment, the extrusion die
Tool includes mouth mold 10, core model 20 and pedestal 30.Wherein, mouth mold 10 is annular in shape, and a mouth mold guide part 11 is provided on inner wall,
One end of the mouth mold guide part 11 is provided with mouth mold forming part 12, and the other end of the mouth mold guide part 11 is provided with multiple sprues
13, which is connected to the inside and outside of mouth mold 10；Core model 20 is cylindrical, and one is provided on outer wall and is led with mouth mold
The core model guide part 21 to match to portion 11 and a mandrel molding portion 22 to match with mouth mold forming part 12, core model 20 are placed in
In the inner cavity of mouth mold 10, interval forms material guide channel 40, mouth mold molding between mouth mold guide part 11 and core model guide part 21
Interval forms tube forming channel 50 between portion 12 and mandrel molding portion 22, the tube forming channel 50 and material guide channel 40
Connection, material guide channel 40 are connected to sprue 13；Mouth mold 10 is led close to one end of sprue 13 and core model 20 close to core model
Pass through bolt to the one end in portion 21 to be removably mounted on pedestal 30.
The extrusion molding mould of above-mentioned PVC pipe, when needing to produce the tubing of different size, only need to by mouth mold 10 or
Core model 20 is disassembled from pedestal 30, replaces mouth mold 10 with different size mouth mold forming part 12 or with different size
The core model 20 in mandrel molding portion 22 adjusts tube forming channel 50 by the mouth mold 10 or core model 20 of replacing different size
Internal diameter, outer diameter and thickness size, and then produce the PVC pipe of different size；When mouth mold 10 or core model 20 are worn, only
The mouth mold 10 or core model 20 for replacing same specification need to be removed.The extrusion molding mould is flexible and convenient to use, can facilitate
Ground adjusts the specification of tubing shaping channel 50 to adapt to the production needs of different size tubing, is also convenient for changing mouth mold 10 or core model
20, when one of them wears without scrapping entire extrusion molding mould.
Referring to Fig. 1, Fig. 3 and Fig. 4, in the present embodiment, core model 20 is also installed close to one end end face in mandrel molding portion 22
There is a polytetrafluoroethyldisk disk 23, also, the outer surface of the polytetrafluoroethyldisk disk 23 is flushed with mandrel molding portion 22.In mouth mold 10
One end end face close to mouth mold forming part 12 is equipped with a polytetrafluoroethylene ring 14, and the inner surface of the polytetrafluoroethylene ring 14
It is flushed with mouth mold forming part 12.By the end in tube forming channel 50, polytetrafluoroethyldisk disk 23 and polytetrafluoroethylene ring are set
14, tubing can make the inner surface and the outer surface of PVC pipe smooth by the polytetrafluoroethyldisk disk 23 and polytetrafluoroethylene ring 14
It is smooth, the flaw of PVC pipe surfaces externally and internally is reduced, the quality of tubing is improved.
Further, referring to Fig. 1 and Fig. 4, polytetrafluoroethyldisk disk 23 and polytetrafluoroethylene ring 14 are along extrusion molding mould axis
The thickness in line direction is equal.In this way, PVC pipe can be made to be unlikely to deform when squeezing out, and the smooth degree of inside and outside wall everywhere
It is identical, further improve the quality of PVC pipe.
In order to avoid being leaked out in gap of the material between mouth mold 10 and core model 20 and pedestal 30 under stress, referring to Fig. 1
And Fig. 4 is additionally provided with one piece of leak-proof washer 60 in the present embodiment between pedestal 30 and mouth mold 10 and core model 20.By this
The leakproofness between mouth mold 10 and core model 20 and pedestal 30 can be improved in leak-proof washer 60, avoids under squeeze pressure material from mouth mold
It is leaked out in gap between 10 and core model 20 and pedestal 30 and causes to waste and pollute.
In the present embodiment, the quantity of sprue 13 is four, and four sprues 13 are uniformly arranged along 10 circumferential direction of mouth mold.It is logical
Cross four difference of sprues 13 injecting material into material guide channel 40 from different directions, it can be ensured that each position of tubing
Material is uniform, improves pipe workpiece quality.
In order to mitigate the weight of the extrusion molding mould, and material is saved, referring to Fig. 1 and Fig. 4, in the present embodiment, core
The inside of mould 20 is additionally provided with a loss of weight inner cavity 24.In this way, core model 20 is a hollow structure, the weight of core model 20 is greatly reduced
Amount, and reduce the usage amount of material, reduce mold materials cost.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of extrusion molding mould of PVC pipe, which is characterized in that the extrusion molding mould includes:
Mouth mold (10), annularly, inner wall is equipped with a mouth mold guide part (11), the mouth mold guide part to the mouth mold (10)
(11) one end is equipped with mouth mold forming part (12), and the other end of the mouth mold guide part (11) is equipped with multiple sprues (13), institute
Sprue (13) is stated by the inside and outside connection of the mouth mold (10)；
Core model (20), the core model (20) is cylindrical, what outer wall matched equipped with one with the mouth mold guide part (11)
Core model guide part (21) and the mandrel molding portion (22) that matches with the mouth mold forming part (12), the core model (20) are placed in
In the inner cavity of the mouth mold (10), interval forms material and leads between the mouth mold guide part (11) and the core model guide part (21)
To channel (40), interval forms tube forming channel between the mouth mold forming part (12) and the mandrel molding portion (22)
(50), the tube forming channel (50) is connected to the material guide channel (40), the material guide channel (40) and institute
State sprue (13) connection；
Pedestal (30), the mouth mold (10) are led close to the one end of the sprue (13) and the core model (20) close to the core model
Pass through bolt to the one end of portion (21) to be removably mounted on the pedestal (30).
2. the extrusion molding mould of PVC pipe according to claim 1, which is characterized in that the core model (20) is close to institute
One end end face for stating mandrel molding portion (22) is equipped with a polytetrafluoroethyldisk disk (23), and the polytetrafluoroethyldisk disk (23) is outer
Surface is flushed with the mandrel molding portion (22).
3. the extrusion molding mould of PVC pipe according to claim 2, which is characterized in that the mouth mold (10) is close to institute
One end end face for stating mouth mold forming part (12) is equipped with a polytetrafluoroethylene ring (14), and the polytetrafluoroethylene ring (14) is interior
Surface is flushed with the mouth mold forming part (12).
4. the extrusion molding mould of PVC pipe according to claim 3, which is characterized in that the polytetrafluoroethyldisk disk
(23) and the polytetrafluoroethylene ring (14) is equal along the thickness of the extrusion molding mould axis direction.
5. the extrusion molding mould of PVC pipe according to claim 1, which is characterized in that the pedestal (30) with it is described
A leak-proof washer (60) are equipped between mouth mold (10) and the core model (20).
6. the extrusion molding mould of PVC pipe according to claim 1, which is characterized in that the number of the sprue (13)
Amount is at least four, and at least four sprues (13) are uniformly arranged along the mouth mold (10) circumferential direction.
7. the extrusion molding mould of PVC pipe according to claim 1, which is characterized in that the inside of the core model (20)
Equipped with a loss of weight inner cavity (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821614259.5U CN208978229U (en) | 2018-09-30 | 2018-09-30 | The extrusion molding mould of PVC pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821614259.5U CN208978229U (en) | 2018-09-30 | 2018-09-30 | The extrusion molding mould of PVC pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208978229U true CN208978229U (en) | 2019-06-14 |
Family
ID=66786329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821614259.5U Expired - Fee Related CN208978229U (en) | 2018-09-30 | 2018-09-30 | The extrusion molding mould of PVC pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208978229U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993888A (en) * | 2019-12-19 | 2020-04-10 | 惠州亿纬锂能股份有限公司 | Hollow carbon rod, preparation method and application thereof, and die head used in preparation process |
| CN111791449A (en) * | 2020-07-29 | 2020-10-20 | 泰州市光明电子材料有限公司 | Polytetrafluoroethylene extrusion pipe forming equipment |
| CN117818009A (en) * | 2024-02-22 | 2024-04-05 | 江门市蓬江区义海新材料有限公司 | PE pipe processing die based on port structure convenient to detach |
-
2018
- 2018-09-30 CN CN201821614259.5U patent/CN208978229U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993888A (en) * | 2019-12-19 | 2020-04-10 | 惠州亿纬锂能股份有限公司 | Hollow carbon rod, preparation method and application thereof, and die head used in preparation process |
| CN111791449A (en) * | 2020-07-29 | 2020-10-20 | 泰州市光明电子材料有限公司 | Polytetrafluoroethylene extrusion pipe forming equipment |
| CN117818009A (en) * | 2024-02-22 | 2024-04-05 | 江门市蓬江区义海新材料有限公司 | PE pipe processing die based on port structure convenient to detach |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |