CN211416178U - Three-layer co-extrusion machine head - Google Patents
Three-layer co-extrusion machine head Download PDFInfo
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- CN211416178U CN211416178U CN201922401732.2U CN201922401732U CN211416178U CN 211416178 U CN211416178 U CN 211416178U CN 201922401732 U CN201922401732 U CN 201922401732U CN 211416178 U CN211416178 U CN 211416178U
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- 238000001125 extrusion Methods 0.000 title abstract description 42
- 238000009413 insulation Methods 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000003292 glue Substances 0.000 claims abstract description 17
- 239000002243 precursor Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 33
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003000 extruded plastic Substances 0.000 description 2
- 238000007765 extrusion coating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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Abstract
The utility model discloses a three-layer co-extrusion machine head, belonging to the technical field of power cable production devices, comprising a wire passing pipe, wherein the wire passing pipe is embedded in an inner mold core adjusting sleeve, and the inner mold core adjusting sleeve is detachably connected inside the inner screen shunt body which is fixedly connected inside the insulation shunt body, the insulation shunt body is embedded into the back body of the machine head, the front end of the back body of the machine head is embedded with the outer screen shunt body, the inner screen shunt body, the insulation shunt body and the outer screen shunt body of the machine head are arranged into a cone structure, so that the machine head is more convenient to disassemble than the traditional machine head, because of the conical surface sealing, the sealing ring is more suitable for production and use, has abrasion resistance, does not leak glue, is convenient to disassemble, saves labor, the machine head is sealed by a taper sleeve, a sealing connection taper pipe of the machine head is inserted into a sealing taper sleeve of the upper sealer, realize totally enclosed and connect, solved the poor inconvenient problem of dismantling of old aircraft nose leakproofness of current cable production.
Description
Technical Field
The utility model relates to a power cable apparatus for producing technical field especially relates to a three-layer is crowded aircraft nose altogether.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.
1. The existing production field of electric wires and cables and the all-insulated tubular bus relate to the uniform extrusion coating of two semi-conducting layers and insulating layers of plastic or rubber on a conductor, the three layers are simultaneously extruded, the extrusion coating is required to be uniform in thickness distribution of each layer, the speed increasing and decreasing are not eccentric, a glue joint cannot be formed during high-speed production, the old glue condition cannot occur during long-time production, the problems of the traditional machine head cannot be completely solved, and therefore, a three-layer co-extrusion machine head is provided
2. Most of the existing distribution fluid rubber channels of old machine heads for cable production are processed on a cylindrical surface, the rubber channels of the machine heads of the cylindrical surface are not easy to disassemble and seal, the sealing is not good, and the rubber is easy to leak.
SUMMERY OF THE UTILITY MODEL
The utility model provides a three-layer co-extrusion machine head, it is through setting up the single clothes hanger formula rubber track of processing on the inner shield reposition of redundant personnel, the insulation reposition of redundant personnel, the outer shield reposition of redundant personnel, this rubber track is formed through theoretical calculation, accord with the even requirement of every layer of rubber track extrusion die orifice pressure, the product quality made is better, it is also convenient and fast to transfer the mould, save material, can be used for the production of extrusion package plastics and rubber material, and inner mold core adjusting sleeve pipe, the insulation reposition of redundant personnel, the aircraft nose afterbody, the outer shield reposition of redundant personnel, aircraft nose forebody and die sleeve seat all have heating slot, adopt water or oil heating medium to heat the aircraft nose, adopt the subregion mode can cooperate the temperature control technique to regulate and control, the die sleeve can also cooperate the control the temperature to use simultaneously, can satisfy long-time production, through rotating the adjusting nut, can realize that inner mold core adjusting sleeve pipe moves back and forth, realize the back-and-, four inner screen eccentric adjusting screws are evenly distributed on the circumference of the inner mold core adjusting sleeve, the thickness of the circumference extrusion can be adjusted at any time during the extrusion production of the inner screen, four insulation eccentric adjusting screws are evenly distributed on the circumference of the head precursor, the thickness of the circumference extrusion can be adjusted at any time during the extrusion production of insulation, four outer screen eccentric adjusting screws are evenly distributed on the circumference of the head precursor, the thickness of the circumference extrusion can be adjusted at any time during the extrusion production of the outer screen, the inner screen, the insulation and the outer screen can be respectively eccentric, the quality requirements of high-quality electric wires, cables and pipe buses are met, the product quality is greatly improved, and the problems that the traditional head produces old glue for a long time and the extrusion is uneven in the existing cable production are solved. It sets up the interior screen reposition of redundant personnel, insulating reposition of redundant personnel, outer screen reposition of redundant personnel with the aircraft nose into cone structure, dismantles better than traditional aircraft nose, because be the conical surface is sealed, more is fit for the production and use, and is stand wear and tear, and it is not sealed, dismantles conveniently, saves artifically, and this aircraft nose adopts the taper sleeve to seal, and the sealing connection taper pipe of aircraft nose injects in the sealed taper sleeve of going up the obturator, realizes totally sealed and connection, has solved the problem of the poor inconvenient dismantlement of old aircraft nose leakproofness of current cable production.
The utility model provides a specific technical scheme as follows:
the utility model provides a three-layer co-extrusion machine head, which comprises a wire guide pipe, wherein the wire guide pipe is embedded in an inner mold core adjusting sleeve, the inner mold core adjusting sleeve is detachably connected in an inner screen shunt body, the inner screen shunt body is fixedly connected in an insulation shunt body, the insulation shunt body is embedded in a machine head rear body, an outer screen shunt body is embedded at the front end of the machine head rear body, the two sides of the outer screen shunt body are detachably connected with a machine head front body, the front ends of the outer screen shunt body and the insulation shunt body are detachably connected with a shared mold core, the middle rear end of the shared mold core is embedded with two mold cores, the rear end of the two mold cores is embedded with a mold core, the mold core is embedded in the front end of the inner mold core adjusting sleeve and then is embedded by the wire guide pipe, the front end of the shared mold core is detachably connected with an outer screen deviation adjusting sleeve, and the middle part of the outer screen deviation adjusting, the front end nestification of outer screen tuningout cover has three die sleeves, and the outside of three die sleeves can be dismantled and be connected with the die sleeve seat, the front end interference of die sleeve seat is connected with the sealing connection taper pipe, the rear end that the interior screen divides the fluid can be dismantled and be connected with adjusting nut, and adjusting nut is run through by interior mold core adjusting sleeve, rear portion one side of the aircraft nose afterbody is provided with the interior screen and advances jiao kou, and the rear portion opposite side of the aircraft nose afterbody is provided with the insulating jiao kou that advances, aircraft nose forebody rear portion has set up the outer screen and has advanced jiao kou, circumference evenly distributed has inner screen tuningout eccentric screw on the interior mold core adjusting sleeve, circumference evenly distributed has insulating tuningout eccentric screw on the aircraft nose forebody, and circumference department evenly distributed outer screen tuningout eccentric screw on the aircraft nose.
Optionally, the inner screen shunt body, the insulation shunt body, the wire passing pipe, the first mold core and the second mold core enclose an inner screen rubber channel.
Optionally, the machine head rear body, the insulation shunt body, the outer screen shunt body, the two mold cores, the common mold core and the three mold sleeves enclose an insulation rubber channel.
Optionally, the outer screen split fluid, the nose precursor, the common mold core, the outer screen deviation adjusting sleeve and the three mold sleeves enclose an outer screen rubber channel.
The utility model has the advantages as follows:
1. the utility model discloses a processing list clothes hanger formula rubber track on setting up interior screen reposition of redundant personnel, insulating reposition of redundant personnel, outer screen reposition of redundant personnel, this rubber track is formed through theoretical calculation, accord with each layer of rubber track and extrude die orifice pressure even requirement, the product quality of making is better, transfer the mould also convenient and fast, save material, can be used for crowded package plastics and rubber materials production, and interior mold core adjusting sleeve pipe, insulating reposition of redundant personnel, the aircraft nose afterbody, outer screen reposition of redundant personnel, aircraft nose precursor and die sleeve seat all have the heating slot, adopt water or oil heating medium to heat the aircraft nose, adopt the subregion mode can cooperate the temperature control technique to regulate and control, the die sleeve also can cooperate the control by temperature change to use simultaneously, can satisfy long-time production, through rotatory adjusting nut, can realize interior mold core adjusting sleeve pipe back-and-forth movement, realize the back-and-forth movement of spool and-forth movement of a mold core, satisfy the production according, four inner screen eccentric adjusting screws are evenly distributed on the circumference of the inner mold core adjusting sleeve, the thickness of the circumference extrusion can be adjusted at any time during the extrusion production of the inner screen, four insulation eccentric adjusting screws are evenly distributed on the circumference of the head precursor, the thickness of the circumference extrusion can be adjusted at any time during the extrusion production of insulation, four outer screen eccentric adjusting screws are evenly distributed on the circumference of the head precursor, the thickness of the circumference extrusion can be adjusted at any time during the extrusion production of the outer screen, the inner screen, the insulation and the outer screen can be respectively eccentric, the quality requirements of high-quality electric wires, cables and pipe buses are met, the product quality is greatly improved, and the problems that the traditional head produces old glue for a long time and the extrusion is uneven in the existing cable production are solved.
2. The utility model discloses a set up the interior screen reposition of redundant personnel, insulating reposition of redundant personnel, outer screen reposition of redundant personnel of aircraft nose into cone structure, dismantle better than traditional aircraft nose, because it is the conical surface seal, more be fit for the plant use, stand wear and tear, it is gluey not leak, it is convenient to dismantle, save the manual work, and this aircraft nose adopts the taper sleeve to seal, during the sealing connection taper pipe of aircraft nose injects the sealed taper sleeve of upper closure, realize totally sealed and connect, the problem of the poor inconvenient dismantlement of old aircraft nose leakproofness of having solved current cable production.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is the utility model discloses an overall structure schematic diagram of three-layer is crowded aircraft nose altogether.
Fig. 2 is the utility model discloses an interior screen branch fluid rubber track schematic diagram of three-layer is crowded aircraft nose altogether.
Fig. 3 is the utility model discloses an insulating shunt body rubber track schematic diagram of three-layer is crowded aircraft nose altogether.
Fig. 4 is the utility model discloses an outer screen shunt body rubber track schematic diagram of three-layer is crowded aircraft nose altogether.
In the figure: 1. a wire passing pipe; 2. an inner mold core adjusting sleeve; 3. an inner screen shunt body; 4. an insulating shunt; 5. a machine head rear body; 6. an outer shield shunt; 7. a handpiece precursor; 8. a mold core; 9. a second mold core; 10. sharing a mold core; 11. an outer screen deviation adjusting sleeve; 12. three die sleeves; 13. a die sleeve seat; 14. the taper pipe is connected in a sealing way; 15. adjusting the nut; 16. an inner screen eccentric adjusting screw; 17. an insulation glue inlet; 18. an outer screen glue inlet; 19. an outer screen eccentric adjusting screw; 20. an insulation eccentricity-adjusting screw; 21. the inner screen enters the jiao kou.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A three-layer co-extrusion handpiece according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.
Referring to fig. 1-4, a three-layer co-extrusion handpiece provided by an embodiment of the present invention includes a conduit 1, the conduit 1 is embedded inside an inner core adjusting sleeve 2, the inner core adjusting sleeve 2 is detachably connected inside an inner screen shunt body 3, the inner screen shunt body 3 is fixedly connected inside an insulation shunt body 4, the insulation shunt body 4 is embedded inside a handpiece rear body 5, an outer screen shunt body 6 is embedded in the front end of the handpiece rear body 5, a handpiece front body 7 is detachably connected to both sides of the outer screen shunt body 6, a common mold core 10 is detachably connected to the front ends of the outer screen shunt body 6 and the insulation shunt body 4, two mold cores 9 are embedded in the middle rear end of the common mold core 10, a mold core 8 is embedded in the rear end of the two mold cores 9, and the conduit 1 is embedded in the mold core 8 after being embedded in the front end of the inner core adjusting sleeve 2, the utility model discloses a novel single-screw extrusion die, including shared mold core 10, three die sleeves 12, die sleeve seat 13, sealing connection taper pipe 14, adjusting nut 15, inner mold core adjusting sleeve 2, rubber inlet 21, rubber inlet 17, outer screen rubber inlet 18, inner mold core adjusting sleeve 2, inner screen eccentric adjusting screw 16, outer screen eccentric adjusting screw 20, outer screen eccentric adjusting screw 19, inner screen eccentric adjusting screw 19, outer screen eccentric adjusting screw 19, inner screen eccentric adjusting screw 16, inner screen eccentric adjusting screw 19, outer screen eccentric adjusting screw 19, inner screen eccentric adjusting screw 15, inner mold core adjusting sleeve 12, inner mold core adjusting sleeve 2, inner screen adjusting screw 5, inner screen rubber inlet 21, inner screen rubber inlet 17, inner screen rubber inlet 18, inner mold core adjusting sleeve 2, inner screen eccentric adjusting screw 16, inner screen eccentric adjusting screw 20, inner screen eccentric adjusting screw 7, outer screen eccentric adjusting screw 19, inner screen eccentric adjusting screw, inner screen adjusting screw 16 .
Illustratively, by arranging a single-hanger type rubber channel on an inner screen splitter 3, an insulation splitter 4 and an outer screen splitter 6, the rubber channel is formed by theoretical calculation, meets the requirement of uniform pressure of extrusion die orifices of each layer of rubber channel, has better quality of manufactured products, is convenient and rapid to adjust dies, saves materials, can be used for producing extruded plastic and rubber materials, an inner die core adjusting sleeve 2, the insulation splitter 4, a machine head rear body 5, the outer screen splitter 6, a machine head front body 7 and a die sleeve seat 13 are respectively provided with a heating groove, a water or oil heating medium is adopted to heat the machine head, a partition mode can be matched with a temperature control technology for regulation and control, a die sleeve can also be matched with temperature control for use, can meet long-time production, the back and forth movement of the inner die core adjusting sleeve 2 can be realized by rotating an adjusting nut 15, the back and forth movement of a wire passing pipe 1 and a die core 8 is realized, the requirement of flexibly adjusting extrusion pressure according to the extrusion conditions in, four inner screen eccentric adjusting screws 16 are evenly distributed on the circumference of the inner mold core adjusting sleeve 2, the circumferential extrusion thickness can be adjusted at any time during the extrusion production of the inner screen, four insulation eccentric adjusting screws 20 are evenly distributed on the circumference of the head front body 7, the circumferential extrusion thickness can be adjusted at any time during the extrusion production of the insulation, four outer screen eccentric adjusting screws 19 are evenly distributed on the circumference of the head front body 7, the circumferential extrusion thickness can be adjusted at any time during the extrusion production of the outer screen, the inner screen, the insulation and the outer screen can be respectively eccentric adjusted, the quality requirements of high-quality electric wires, cables and pipe buses are met, the product quality is greatly improved, the inner screen shunting body 3, the insulation shunting body 4 and the outer screen shunting body 6 of the head are arranged into a cone structure, the disassembly is better than that of the traditional head, the conical surface sealing is more suitable for production and use, abrasion resistance, glue leakage prevention, convenient and labor saving, and the machine head is sealed by adopting a taper sleeve, and a sealing connection taper pipe 14 of the machine head is inserted into the sealing taper sleeve of the upper sealer to realize complete sealing and connection.
Referring to fig. 2, an inner screen rubber channel is defined by the inner screen splitter 3, the insulation splitter 4, the wire passing pipe 1, the first mold core 8 and the second mold core 9.
For example, an inner screen rubber channel surrounded by the inner screen splitter 3, the insulation splitter 4, the wire guide pipe 1, the first mold core 8 and the second mold core 9 can flow into inner screen rubber.
Referring to fig. 3, the back body 5 of the machine head, the insulating shunt 4, the outer shield shunt 6, the secondary mold core 9, the common mold core 10 and the tertiary mold sleeve 12 enclose an insulating rubber channel.
For example, an insulating glue channel surrounded by the machine head rear body 5, the insulating shunt body 4, the outer screen shunt body 6, the two mold cores 9, the common mold core 10 and the three mold sleeves 12 can flow in insulating glue.
Referring to fig. 4, the outer shield split fluid 6, the nose precursor 7, the common mold core 10, the outer shield offset sleeve 11 and the three mold sleeves 12 define an outer shield rubber channel.
For example, the outer screen split fluid 6, the head precursor 7, the common mold core 10, the outer screen offset sleeve 11 and the three mold sleeves 12 form an outer screen rubber channel into which outer screen rubber can flow.
During design, the single clothes hanger type rubber channel is arranged on the inner screen splitter 3, the insulation splitter 4 and the outer screen splitter 6, the rubber channel is formed by theoretical calculation, the requirement of uniform pressure of extrusion die orifices of each layer of rubber channel is met, the quality of the manufactured product is better, the die adjustment is convenient and rapid, materials are saved, the rubber channel can be used for producing extruded plastic and rubber materials, the inner die core adjusting sleeve 2, the insulation splitter 4, the rear head body 5, the outer screen splitter 6, the front head body 7 and the die sleeve seat 13 are provided with heating grooves, water or oil heating media are adopted to heat the die head, a partition mode can be adopted to be matched with a temperature control technology for regulation and control, meanwhile, the die sleeve can be matched with temperature control for use, long-time production can be met, the back and forth movement of the inner die core adjusting sleeve 2 can be realized by rotating the adjusting nut 15, the back and forth movement of the wire passing pipe 1 and forth movement of the die core 8 can be realized, the, four inner screen eccentric adjusting screws 16 are evenly distributed on the circumference of the inner mold core adjusting sleeve 2, the circumferential extrusion thickness can be adjusted at any time during the extrusion production of the inner screen, four insulation eccentric adjusting screws 20 are evenly distributed on the circumference of the head front body 7, the circumferential extrusion thickness can be adjusted at any time during the extrusion production of the insulation, four outer screen eccentric adjusting screws 19 are evenly distributed on the circumference of the head front body 7, the circumferential extrusion thickness can be adjusted at any time during the extrusion production of the outer screen, the inner screen, the insulation and the outer screen can be respectively eccentric adjusted, the quality requirements of high-quality electric wires, cables and pipe buses are met, the product quality is greatly improved, the inner screen shunting body 3, the insulation shunting body 4 and the outer screen shunting body 6 of the head are arranged into a cone structure, the disassembly is better than that of the traditional head, the conical surface sealing is more suitable for production and use, abrasion resistance, glue leakage prevention, convenient and labor saving, and the machine head is sealed by adopting a taper sleeve, and a sealing connection taper pipe 14 of the machine head is inserted into the sealing taper sleeve of the upper sealer to realize complete sealing and connection.
It should be noted that the utility model relates to a three-layer co-extrusion aircraft nose, including wire passing pipe 1, interior mold core adjusting sleeve 2, interior screen reposition of redundant personnel 3, insulating reposition of redundant personnel 4, aircraft nose afterbody 5, outer screen reposition of redundant personnel 6, aircraft nose precursor 7, a mold core 8, two mold cores 9, sharing mold core 10, outer screen tuningout cover 11, three mold sleeves 12, mold sleeve seat 13, sealing connection taper pipe 14, adjusting nut 15, interior screen tuningout eccentric screw 16, the insulating mouth of glue 17 that advances, outer screen advances the mouth of glue 18, outer screen tuningout eccentric screw 19, insulating tuningout eccentric screw 20, inner screen advances the mouth of glue 21, the part is general standard spare or the part that technical staff in the field known, its structure and principle all are that this technical staff all can learn through the technical manual or obtain through conventional experimental approach.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. The utility model provides a three-layer is crowded aircraft nose altogether, includes wire passing pipe (1), its characterized in that: the wire passing pipe (1) is embedded into the inner die core adjusting sleeve (2), the inner die core adjusting sleeve (2) is detachably connected to the inner screen shunt body (3), the inner screen shunt body (3) is fixedly connected to the inner part of the insulation shunt body (4), the insulation shunt body (4) is embedded into the inner part of the handpiece rear body (5), the front end of the handpiece rear body (5) is embedded with the outer screen shunt body (6), the two sides of the outer screen shunt body (6) are detachably connected with the handpiece front body (7), the front ends of the outer screen shunt body (6) and the insulation shunt body (4) are detachably connected with a common die core (10), the middle rear end of the common die core (10) is embedded with two die cores (9), the rear end of the two die cores (9) is embedded with one die core (8), and the die core (8) is embedded into the wire passing pipe (1) after being embedded into the front end of the inner die core adjusting sleeve (2), the front end of the common mold core (10) is detachably connected with an outer screen deviation adjusting sleeve (11), the middle part of the outer screen deviation adjusting sleeve (11) extends out of the common mold core (10), the front end of the outer screen deviation adjusting sleeve (11) is nested with three mold sleeves (12), the outer sides of the three mold sleeves (12) are detachably connected with a mold sleeve seat (13), the front end of the mold sleeve seat (13) is in interference connection with a sealing connection taper pipe (14), the rear end of the inner screen shunt body (3) is detachably connected with an adjusting nut (15), the adjusting nut (15) is penetrated through by an inner mold core adjusting sleeve (2), an inner screen glue inlet (21) is arranged on one side of the rear part of the machine head rear body (5), an insulating glue inlet (17) is arranged on the other side of the rear part of the machine head rear body (7), an outer screen glue inlet (18) is arranged on the rear part of the machine head front body (7), and inner screen deviation adjusting screws (16) are uniformly distributed on the circumference of the inner mold core adjusting sleeve, insulating eccentricity adjusting screws (20) are uniformly distributed on the upper circumference of the nose front body (7), and outer screen eccentricity adjusting screws (19) are uniformly distributed on the upper circumference of the nose front body (7) behind the insulating eccentricity adjusting screws (20).
2. A three-layer co-extruder head according to claim 1, characterized in that: the inner screen rubber channel is formed by enclosing the inner screen shunting body (3), the insulation shunting body (4), the wire passing pipe (1), the first mold core (8) and the second mold core (9).
3. A three-layer co-extruder head according to claim 1, characterized in that: the machine head rear body (5), the insulation shunt body (4), the outer screen shunt body (6), the two mold cores (9), the common mold core (10) and the three mold sleeves (12) enclose to form an insulation rubber channel.
4. A three-layer co-extruder head according to claim 1, characterized in that: the outer screen split fluid (6), the nose precursor (7), the common mold core (10), the outer screen deviation adjusting sleeve (11) and the three mold sleeves (12) enclose an outer screen rubber channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922401732.2U CN211416178U (en) | 2019-12-27 | 2019-12-27 | Three-layer co-extrusion machine head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922401732.2U CN211416178U (en) | 2019-12-27 | 2019-12-27 | Three-layer co-extrusion machine head |
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| CN211416178U true CN211416178U (en) | 2020-09-04 |
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| CN201922401732.2U Active CN211416178U (en) | 2019-12-27 | 2019-12-27 | Three-layer co-extrusion machine head |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917873A (en) * | 2021-03-29 | 2021-06-08 | 上海明龙模具厂 | Three-layer co-extrusion adjustable eccentric wire and cable extruder head |
| CN113290820A (en) * | 2021-05-25 | 2021-08-24 | 昆明电立电缆有限公司 | Cable extrusion double-layer offset-adjustment-free co-extrusion machine head and processing technology thereof |
| CN114454458A (en) * | 2022-02-14 | 2022-05-10 | 江西华缆科技有限公司 | Three-layer co-extrusion machine head for low-smoke halogen-free cable |
| CN114474668A (en) * | 2022-03-03 | 2022-05-13 | 浙江元通线缆制造有限公司 | Three-layer co-extrusion machine head, production process thereof and cable produced by adopting process |
-
2019
- 2019-12-27 CN CN201922401732.2U patent/CN211416178U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917873A (en) * | 2021-03-29 | 2021-06-08 | 上海明龙模具厂 | Three-layer co-extrusion adjustable eccentric wire and cable extruder head |
| CN113290820A (en) * | 2021-05-25 | 2021-08-24 | 昆明电立电缆有限公司 | Cable extrusion double-layer offset-adjustment-free co-extrusion machine head and processing technology thereof |
| CN113290820B (en) * | 2021-05-25 | 2023-03-10 | 昆明电立电缆有限公司 | Cable extrusion double-layer deviation-adjustment-free co-extrusion machine head and processing technology thereof |
| CN114454458A (en) * | 2022-02-14 | 2022-05-10 | 江西华缆科技有限公司 | Three-layer co-extrusion machine head for low-smoke halogen-free cable |
| CN114474668A (en) * | 2022-03-03 | 2022-05-13 | 浙江元通线缆制造有限公司 | Three-layer co-extrusion machine head, production process thereof and cable produced by adopting process |
| CN114474668B (en) * | 2022-03-03 | 2024-04-05 | 浙江元通线缆制造有限公司 | Three-layer co-extrusion machine head, production process thereof and cable produced by adopting process |
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