CN213618246U - PVC-O ageing-resistant tubular product surface tectorial membrane forming die - Google Patents
PVC-O ageing-resistant tubular product surface tectorial membrane forming die Download PDFInfo
- Publication number
- CN213618246U CN213618246U CN202022692458.1U CN202022692458U CN213618246U CN 213618246 U CN213618246 U CN 213618246U CN 202022692458 U CN202022692458 U CN 202022692458U CN 213618246 U CN213618246 U CN 213618246U
- Authority
- CN
- China
- Prior art keywords
- section
- shunting
- hole
- die
- pvc
- 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.)
- Active
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a PVC-O aging-resistant pipe surface coating forming die, which is characterized by comprising a neck ring die, wherein the neck ring die is divided into a neck ring die I and a neck ring die II; the mouth mold is provided with a forming hole; the device is characterized by also comprising a film coating mechanism arranged between the first neck ring die and the second neck ring die; the film covering mechanism comprises a feeding section and a flow dividing section; and forming holes are also formed in the feeding section and the flow dividing section. According to the utility model, the film coating mechanism is added, after the PVC solid wall layer is extruded by the die, the film coating mechanism coats the ASA film coating layer on the outer side of the PVC solid wall layer, so that the tensile property of the pipe is not influenced while the aging resistance of the pipe is increased, the material usage is reduced, and the cost is reduced; through the setting of reposition of redundant personnel section, make the whole tectorial membrane of tubular product even, can not appear partly losing, the condition that partial tectorial membrane thickness is thicker.
Description
Technical Field
The utility model relates to a forming die specifically indicates a PVC-O ageing-resistant tubular product surface tectorial membrane forming die.
Background
The PVC pipe is a very common pipeline used in the society at present, the main component is polyvinyl chloride, but the pipe has low aging resistance and is easy to age under the irradiation of long-term sunlight ultraviolet rays, so that a plurality of factories can co-extrude and mold the pipe through a mold after adding an aging-resistant material (such as an ASA material) and mixing the aging-resistant material with a pipeline raw material during pipeline injection molding at present, thereby improving the aging resistance of the pipeline, and color master batches are generally added into the raw material to be used as uniform colors in order to distinguish the performance of the pipeline; but the compatibility of the ASA material and the PVC material is poor, so that the circumferential stretching and the radial stretching of the pipe are influenced, the cost is high, and the injection molding ASA material and the color master batch material after integral mixing are large in quantity, so that the integral cost is improved. Therefore, a PVC-O aging-resistant pipe surface film-coating forming die is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems and providing a PVC-O anti-aging pipe surface film-coating forming die.
In order to achieve the purpose, the utility model provides a PVC-O aging-resistant pipe surface film-coating forming die which comprises a neck ring die, wherein the neck ring die is divided into a neck ring die I and a neck ring die II; the mouth mold is provided with a forming hole; the device is characterized by also comprising a film coating mechanism arranged between the first neck ring die and the second neck ring die; the film covering mechanism comprises a feeding section and a flow dividing section; and forming holes are also formed in the feeding section and the flow dividing section.
Furthermore, a limiting concave table is arranged on the first port die, a positioning concave table is arranged on the second port die, the flow dividing section is installed in the positioning concave table, and bosses matched with the limiting concave table and the positioning concave table are arranged on two sides of the feeding section.
Preferably, the feeding section, the flow dividing section and the second mouth mold are provided with a plurality of through holes, and the feeding section, the flow dividing section and the second mouth mold are fixedly arranged on the first mouth mold through bolts.
Preferably, the flow dividing section is divided into a flow dividing section I, a flow dividing section II, a flow dividing section III and a flow dividing section IV; all be equipped with corresponding pinhole and ejecting hole on feeding section, reposition of redundant personnel section one, reposition of redundant personnel section two, reposition of redundant personnel section three and the reposition of redundant personnel section four, install the fixed pin in the pinhole, feeding section, reposition of redundant personnel section one, reposition of redundant personnel section two, reposition of redundant personnel section three and reposition of redundant personnel section four cross the interference fit fixed connection of fixed pin and pinhole.
Preferably, a feed inlet is formed in the feed section, an arc-shaped groove is further formed in one side of the feed section, and the arc-shaped groove is communicated with the feed inlet; the two ends of the arc-shaped groove are also provided with material holes; one side of the shunting section is provided with shunting holes corresponding to the material holes; the first shunting section is also provided with a first shunting groove which is respectively communicated with the shunting holes; a first material hole is formed in each of two ends of the first shunting groove; one side of the second diversion section is provided with a second diversion hole corresponding to the first material hole, and the second diversion section is also provided with a second diversion groove respectively communicated with the second diversion hole; two ends of the second splitter box are provided with second material holes; one side of the third diversion section is provided with a third diversion hole corresponding to the second material hole, and the third diversion section is also provided with a third diversion groove respectively communicated with the third diversion hole; two ends of the third splitter box are provided with third material holes; and an annular groove is formed in one side of the four shunting sections, and a discharge hole corresponding to the three phases of the material holes is formed in the annular groove.
The utility model discloses an increase tectorial membrane mechanism, after the mould extrudes PVC solid wall layer, through tectorial membrane mechanism tectorial membrane one deck ASA tectorial membrane layer in PVC solid wall layer outside, still can not influence tubular product tensile properties when increasing tubular product ageing resistance, and reduced the material and used, reduced the cost; through the setting of reposition of redundant personnel section, make the whole tectorial membrane of tubular product even, the part can not appear omitting, the condition that partial tectorial membrane thickness is thicker.
Drawings
FIG. 1 is a schematic view of the cross-sectional structure of the utility model in use;
FIG. 2 is a schematic sectional structure view of a center die of the present invention;
FIG. 3 is a schematic structural view of a middle feeding section of the present invention;
FIG. 4 is a schematic view of the cross-sectional structure of the feeding section of the present invention;
FIG. 5 is a schematic view of a cross-sectional structure of a second center die of the present invention;
FIG. 6 is a schematic structural view of a middle flow-dividing section of the present invention;
FIG. 7 is a schematic structural view of a second flow dividing section of the present invention;
FIG. 8 is a schematic diagram of a three-structure of the middle flow-dividing section of the present invention;
fig. 9 is a schematic diagram of the middle shunt section of the present invention.
Illustration of the drawings: 1. a neck ring mold; 11. a first neck ring mold; 12. a second neck ring mold; 13. a limiting concave platform; 14. positioning the concave platform; 15. a boss; 2. forming holes; 3. a film covering mechanism; 4. a feeding section; 41. a feed inlet; 42. an arc-shaped slot; 43. material holes; 5. a flow splitting section; 51. a first flow splitting section; 511. a shunt hole; 512. a first splitter box; 513. a first material hole; 52. a second flow splitting section; 521. a second diversion hole; 522. a second diversion channel; 523. a material hole II; 53. a flow splitting section III; 531. a third diversion hole; 532. a third diversion channel; 533. a material hole III; 54. a flow splitting section IV; 541. an annular groove; 542. a discharge port; 55. a pin hole; 56. an ejection aperture; 57. a fixing pin; 6. and a through hole.
Detailed Description
The surface film-coating forming mold for the PVC-O aging-resistant pipe of the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1, the mold for forming the film on the surface of the PVC-O aging-resistant pipe in the present embodiment includes a die 1, wherein the die 1 is divided into a first die 11 and a second die 12; the mouth mold 1 is provided with a forming hole 2; the device is characterized by also comprising a film coating mechanism 3 arranged between the first mouth mold 11 and the second mouth mold 12; the film laminating mechanism 3 comprises a feeding section 4 and a flow dividing section 5; the feeding section 4 and the flow dividing section 5 are also provided with forming holes 2; by adding the film coating mechanism 3, after the PVC solid wall layer is extruded by the die, the film coating mechanism 3 coats an ASA film coating layer on the outer side of the PVC solid wall layer, so that the tensile property of the pipe is not influenced while the aging resistance of the pipe is improved, the material usage is reduced, and the cost is reduced; through the setting of reposition of redundant personnel section 5, make the whole tectorial membrane of tubular product even, the condition that part is lost, part tectorial membrane thickness is thick can not appear.
Further, as shown in fig. 2 and fig. 4-5, a limiting concave table 13 is arranged on the first mouth mold 11, a positioning concave table 14 is arranged on the second mouth mold 12, the flow dividing section 5 is installed in the positioning concave table 14, and bosses 15 matched with the limiting concave table 13 and the positioning concave table 14 are arranged on both sides of the feeding section 4; through the setting of spacing concave station 13, location concave station 14 and boss 15, play spacing and location effect to feeding section 4 and reposition of redundant personnel section 5, be convenient for install.
Further, referring to fig. 1, a plurality of through holes 6 are formed in the feeding section 4, the shunting section 5 and the second mouth mold 12, and the feeding section 4, the shunting section 5 and the second mouth mold 12 are fixedly mounted on the first mouth mold 11 through bolts; through the setting of through-hole 6 and carry out fixed connection through the bolt, the dismouting of being convenient for, and carry on spacingly through-hole 6 to the position of feeding section 4, reposition of redundant personnel section 5, bush two 12 and bush one 11, make the axle center of a plurality of shaping holes 2 keep unanimous.
Further, referring to fig. 1 and fig. 6 to 9, the splitting section 5 is divided into a first splitting section 51, a second splitting section 52, a third splitting section 53 and a fourth splitting section 54; the feeding section 4, the first splitting section 51, the second splitting section 52, the third splitting section 53 and the fourth splitting section 54 are respectively provided with a corresponding pin hole 55 and a corresponding ejection hole 56, a fixing pin 57 is installed in the pin hole 55, and the feeding section 4, the first splitting section 51, the second splitting section 52, the third splitting section 53 and the fourth splitting section 54 are fixedly connected through interference fit of the fixing pin 57 and the pin hole 55; through the matching of the pin hole 55 and the fixing pin 57, the first shunting section 51, the second shunting section 52, the third shunting section 53 and the fourth shunting section 54 are firstly installed into a whole, and the positions of material holes on the first shunting section 51, the second shunting section 52, the third shunting section 53 and the fourth shunting section 54 and the shunting holes can correspond to each other, so that the normal flowing and shunting of the film coating layer can be ensured; through the arrangement of the ejection hole 56, the shunting section 5 is convenient to detach from the second die 45, the screw rod is screwed in the ejection hole 56 during detachment, the shunting section 5 is separated from the second die 12 in the screwing process, so that the shunting section 5 can be detached, and the phenomenon that the shunting section 5 is difficult to detach for maintenance due to solidification and adhesion of residual cooled pipe materials and film coating materials is avoided.
Further, as shown in fig. 1-3 and 6-9, a feed inlet 41 is arranged on the feed section 4, an arc-shaped groove 42 is also arranged on one side of the feed section 4, and the arc-shaped groove 42 is communicated with the feed inlet 41; the two ends of the arc-shaped groove 42 are also provided with material holes 43; one side of the first diversion section 51 is provided with a diversion hole 511 corresponding to the material hole 43; the first shunting section 51 is also provided with a first shunting groove 512 which is respectively communicated with the shunting holes 511; two ends of the first splitter box 512 are provided with a first material hole 513; one side of the second diversion section 52 is provided with a second diversion hole 521 corresponding to the first material hole 513, and the second diversion section 52 is also provided with a second diversion channel 522 respectively communicated with the second diversion hole 521; two ends of the second diversion channel 522 are provided with a second material hole 523; a third shunting hole 531 corresponding to the second material hole 523 is formed in one side of the third shunting section 53, and a third shunting groove 532 respectively communicated with the third shunting hole 531 is further formed in the third shunting section 53; two ends of the third splitter box 532 are provided with third material holes 533; an annular groove 541 is formed in one side of the flow dividing section four 54, and a discharge hole 542 corresponding to the material hole three 533 is formed in the annular groove 541; the film is coated outside the PVC solid wall layer by sequentially arranging a first diversion section 51, a second diversion section 52, a third diversion section 53 and a fourth diversion section 54 from the feeding section 4, feeding the materials from the feeding section 4 to the second inlet and the fourth outlet of the first diversion section 51, feeding the materials from the fourth inlet and the eighth outlet of the second diversion section 52 to the eighth inlet and the sixteenth outlet of the third diversion section 53, and finally, feeding the materials into an annular groove 541 through a discharge hole 542 which is annularly and equally distributed on the fourth diversion section 54; through two times in proper order increase progressively to it is less to reach the interval between the discharge gate 541 that multistage reposition of redundant personnel made evenly distributed in whole ring channel 541 at last, thereby makes laying that ASA tectorial membrane can be completely even to the wall layer is real to PVC, improves and lays effect and even degree, guarantees product quality.
The utility model discloses a working process: referring to fig. 1-9, the feed inlet of the feed section 4 is first connected to an ASA material chamber through which the feed is supplied; the material enters the arc-shaped groove 42 of the feeding section 4 through the feeding hole 41, then flows to the material holes 43 at two sides of the arc-shaped groove 42 along the arc-shaped groove 42, flows to the shunting holes 511 of the shunting section one 51 through the material holes 43, flows to the material holes 513 at two sides of the shunting groove one 512 through the shunting groove one 512 communicated with the shunting holes 511, flows to the shunting holes two 521 of the shunting section two 52 through the material holes one 513, flows to the shunting groove two 522 through the shunting holes two 521, flows to the shunting holes three 531 on the shunting end three 53 through the material holes two 523 at two sides of the shunting groove two 522, flows to the shunting groove three 532 communicated with the shunting holes three 531, flows to the discharging holes 542 on the shunting section four 54 through the material holes three 533 on the shunting groove three 532, flows to the annular groove 541 through the discharging holes 542, flows to the PVC solid wall layer in the annular groove 541, flows to the PVC solid wall layer in the molding hole 2 along the annular groove 541, and along with the forward movement of the PVC solid wall layer, the ASA material flows to the PVC solid, and finally, extruding the pipe from the forming hole 2 of the second neck mold 12, and cooling, forming and manufacturing to finish the process.
The scope of the present invention is not limited to the above embodiments and their variations. The present invention is not limited to the above embodiments, and other modifications and substitutions may be made by those skilled in the art.
Claims (5)
1. A PVC-O aging-resistant pipe surface film-coating forming die comprises a mouth die (1), wherein the mouth die (1) is divided into a first mouth die (11) and a second mouth die (12); the mouth mold (1) is provided with a molding hole (2); the device is characterized by also comprising a film coating mechanism (3) arranged between the first neck ring mold (11) and the second neck ring mold (12); the laminating mechanism (3) comprises a feeding section (4) and a shunting section (5); and the feeding section (4) and the flow dividing section (5) are also provided with forming holes (2).
2. The PVC-O aging-resistant pipe surface coating forming die as claimed in claim 1, characterized in that: the die is characterized in that a limiting concave table (13) is arranged on the first die (11), a positioning concave table (14) is arranged on the second die (12), the flow dividing section (5) is installed in the positioning concave table (14), and bosses (15) matched with the limiting concave table (13) and the positioning concave table (14) are arranged on two sides of the feeding section (4).
3. The PVC-O aging-resistant pipe surface coating forming die as claimed in claim 1, characterized in that: the feeding section (4), the shunting section (5) and the second mouth mold (12) are all provided with a plurality of through holes (6), and the feeding section (4), the shunting section (5) and the second mouth mold (12) are fixedly arranged on the first mouth mold (11) through bolts.
4. The PVC-O aging-resistant pipe surface coating forming die according to claim 3, characterized in that: the flow splitting section (5) is divided into a flow splitting section I (51), a flow splitting section II (52), a flow splitting section III (53) and a flow splitting section IV (54); all be equipped with corresponding pinhole (55) and ejection hole (56) on feeding section (4), reposition of redundant personnel section (51), reposition of redundant personnel section two (52), reposition of redundant personnel section three (53) and reposition of redundant personnel section four (54), install fixed pin (57) in pinhole (55), feeding section (4), reposition of redundant personnel section one (51), reposition of redundant personnel section two (52), reposition of redundant personnel section three (53) and reposition of redundant personnel section four (54) are through the interference fit fixed connection of fixed pin (57) and pinhole (55).
5. The PVC-O aging-resistant pipe surface coating forming die as claimed in claim 4, characterized in that: a feed inlet (41) is formed in the feed section (4), an arc-shaped groove (42) is further formed in one side of the feed section (4), and the arc-shaped groove (42) is communicated with the feed inlet (41); two ends of the arc-shaped groove (42) are also provided with material holes (43); one side of the first diversion section (51) is provided with a diversion hole (511) corresponding to the material hole (43); the first shunting section (51) is also provided with a first shunting groove (512) which is respectively communicated with the shunting holes (511); a first material hole (513) is formed in each of two ends of the first flow dividing groove (512); a second diversion hole (521) corresponding to the first material hole (513) is formed in one side of the second diversion section (52), and a second diversion channel (522) communicated with the second diversion hole (521) is further formed in the second diversion section (52); two ends of the second diversion channel (522) are provided with a second material hole (523); a third shunting hole (531) corresponding to the second material hole (523) is formed in one side of the third shunting section (53), and a third shunting groove (532) communicated with the third shunting hole (531) is formed in the third shunting section (53); two ends of the third diversion channel (532) are provided with third material holes (533); an annular groove (541) is formed in one side of the flow dividing section four (54), and a discharge hole (542) corresponding to the material hole three (533) is formed in the annular groove (541).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022692458.1U CN213618246U (en) | 2020-11-20 | 2020-11-20 | PVC-O ageing-resistant tubular product surface tectorial membrane forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022692458.1U CN213618246U (en) | 2020-11-20 | 2020-11-20 | PVC-O ageing-resistant tubular product surface tectorial membrane forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213618246U true CN213618246U (en) | 2021-07-06 |
Family
ID=76634826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022692458.1U Active CN213618246U (en) | 2020-11-20 | 2020-11-20 | PVC-O ageing-resistant tubular product surface tectorial membrane forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213618246U (en) |
-
2020
- 2020-11-20 CN CN202022692458.1U patent/CN213618246U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213618246U (en) | PVC-O ageing-resistant tubular product surface tectorial membrane forming die | |
| CN206983192U (en) | Double-colored macromolecule waterproof membrane extrusion equipment | |
| CN1746003B (en) | Extruding nose of flat cable | |
| CN101670657B (en) | Triple extrusion die head with low center | |
| CN204869572U (en) | Three compound shape of mouth as one speakss of extruding of rubber | |
| CN202462835U (en) | Nano laminated composite material preparation device with function of adjusting number of layers | |
| CN105383033A (en) | Multilayer composite coextrusion method and die based on rotary shear layer flow dynamic distribution | |
| CN203221642U (en) | Five rubber extrusion machine combined head | |
| CN202037849U (en) | Novel mold special for acrylonitrile butadiene styrene (ABS) pipes | |
| CN202283777U (en) | Total-coating co-extrusion mould of composite profiles | |
| CN201089212Y (en) | Extrusion machine head of three layer coextruded blow moulding machine | |
| CN2616364Y (en) | Plastic-extrusion section material full-cladding coextrusion mould | |
| CN1338369A (en) | Improved coextruder for forming multi-layer composite plastic pipe | |
| CN203221640U (en) | Five rubber extrusion machine combined head device | |
| CN203221641U (en) | Five extrusion machine combined head of rubber extrusion machines | |
| CN102700108A (en) | Coextruded mould of polrvinyl chloride and polymethylmethacrylate | |
| CN201728815U (en) | O-shaped structure of composite extrusion machine set | |
| CN201544439U (en) | Low-center three-layer co-extrusion die | |
| CN101905518B (en) | Material distributing device of extruder | |
| CN102029717B (en) | Vulcanized rubber processing device and method | |
| CN216068591U (en) | Center feeding multilayer co-extrusion die head structure | |
| CN111037879A (en) | Extrusion molding die and extrusion molding process for dissimilar material composite sheath | |
| CN210651813U (en) | Flow-adjustable co-extrusion distributor | |
| CN213891192U (en) | Solid-wall co-extrusion pipe mould with functional layer | |
| CN202656451U (en) | Rubber coating extrusion tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |