CN113436793B - Layered longitudinal paper-coated flat cable and manufacturing equipment thereof - Google Patents
Layered longitudinal paper-coated flat cable and manufacturing equipment thereof Download PDFInfo
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- CN113436793B CN113436793B CN202110664462.3A CN202110664462A CN113436793B CN 113436793 B CN113436793 B CN 113436793B CN 202110664462 A CN202110664462 A CN 202110664462A CN 113436793 B CN113436793 B CN 113436793B
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- ground wire
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- longitudinal wrapping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/38—Insulated conductors or cables characterised by their form with arrangements for facilitating removal of insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
Abstract
The invention relates to a layered longitudinally-wrapped paper flat cable and a manufacturing device thereof, belonging to the technical field of cable manufacturing. The technical scheme is as follows: the ground wire conductor (4) longitudinally wraps the first paper tape (5) at the position of the ground wire longitudinal wrapping die (116) to form a ground wire, the ground wire is located between the two main wire insulation wire cores (2), the two main wire insulation wire cores (2) and the ground wire are arranged in parallel to form a cable core, the ground wire conductor and the cable core jointly enter the whole longitudinal wrapping die (117) and then wholly longitudinally wrap the second paper tape (6), then enter the pressure belt pressing device to be pressed, and finally directly enter the extruder (12) to extrude a PVC sheath (7). The invention has the following positive effects: 1. the flat cable with the double-layer longitudinal wrapping paper structure is designed, compared with a common sheath multi-core cable, the longitudinal wrapping paper is better stripped, the cost is lower, and the high economic advantage is achieved. 2. A layering longitudinal wrapping device is designed, the layering longitudinal wrapping device can be installed in front of an extruder, a paper tape is longitudinally wrapped and is directly extruded out of a sheath after being compressed, and redundant production procedures are reduced.
Description
Technical Field
The invention relates to a layered longitudinally-wrapped paper flat cable and a manufacturing device thereof, belonging to the technical field of cable manufacturing.
Background
The fixed-laying electric wire is mainly applied to home decoration wiring and electrical equipment and is the most common cable type in the current society. China has two standards which are respectively the national standard GB/T5023-2008 and the mechanical department standard JB/T8734-2016 for stipulating the products. GB/T5023-2008 mainly refers to international standard IEC60227, JB/T8734-2016 is a mechanical department, and according to domestic actual conditions, some models and specifications which are not available in GB/T5023 are added, and cables listed in the two standards are classified into CCC products.
Although CCC products already cover most of the cable models commonly found in the market, there is still a portion that needs to be customized for the particular requirements. Corresponding to a sheathed wire, the RVV cable is commonly used, but the BVV cable is difficult to see, and the main reason is that the inner sheath is arranged outside the insulation of the BVV cable, so that the cable is inconvenient to strip and is more expensive, and the cable is generally used by few people. If a place needing to use a hard conductor exists, a plurality of BV wires are generally bound together for use. In foreign countries, there are already a number of standards that specify the structural parameters of such cables. The British China has a BS6004 standard, a 6242Y cable in the cable is a parallel structure with 2 insulated wire cores and 1 bare copper ground wire in parallel, and a sheath is extruded outside the cable. The U.S. has UL719 standards, and the inner NM-B cable is similar in construction to the 6242Y cable, but requires a release tape outside the bare ground. Both types of cables belong to a large variety in each country. Especially, NM-B cables are sold in a high market in the united states and are mostly used for electrical connection in the construction of rural wooden houses.
Disclosure of Invention
The invention aims to provide a layered longitudinally-wrapped paper flat cable and manufacturing equipment thereof, which improve the cable structure, longitudinally wrap paper tapes outside a bare ground wire and an integral cable core, are convenient to strip the wire and have low cost, and are manufactured by being provided with a special longitudinally-wrapping device and a special belt pressing device, so that the problems in the background art are solved.
The technical scheme of the invention is as follows:
a layered longitudinally-wrapped paper flat cable comprises a main line conductor, insulation, nylon, a first paper tape, a PVC sheath, a ground wire conductor and a second paper tape, wherein the insulation and the nylon are sequentially extruded outside the main line conductor to form a main line insulation wire core, and the first paper tape is longitudinally wrapped outside the ground wire conductor to form a ground wire; the two main line insulation wire cores and the ground wire are arranged side by side, the ground wire is located between the two main line insulation wire cores to form a cable core, a paper tape II is longitudinally wrapped outside the cable core integrally, and a PVC sheath is extruded outside the paper tape.
The diameter of the ground wire is smaller than that of the main wire insulated wire core.
The first paper tape and the second paper tape are both kraft paper.
The utility model provides a preparation equipment of layering is indulged package paper flat cable, place two thread insulation core on two pay off racks, place a ground wire conductor on single pay off rack, adjust two thread insulation core and a ground wire conductor tension size to unanimity, wherein the ground wire conductor is through indulging the guide pulley on the package device, indulge the package paper tape one in ground wire indulges package mould department and constitute the ground wire, two thread insulation core are respectively through indulging the recess of three groove guide pulley both sides on the package device, the ground wire gets into the recess in the middle of the three groove guide pulley, the ground wire is located between two thread insulation core this moment, two thread insulation core and a ground wire parallel arrangement constitute the ground wire, get into whole indulge package paper tape two after the package mould jointly, then get into and press the belt device to compress tightly, directly get into the extruder at last and carry out the PVC sheath and extrude, accomplish the preparation of flat cable.
The vertical wrapping device comprises a main frame body, a first guide wheel frame, a second guide wheel frame, a first paper disc, a second paper disc, a ground wire vertical wrapping die, an integral vertical wrapping die and a belt pressing device, wherein the upper end face of the main frame body is sequentially provided with the first guide wheel frame, the second guide wheel frame, the ground wire vertical wrapping die, the integral vertical wrapping die and the belt pressing device; and the second guide wheel frame is provided with two three-groove guide wheels which are arranged up and down, and the two main line insulated wire cores on the double pay-off rack are deflected by the three-groove guide wheels above and then extend downwards, and then are deflected by the three-groove guide wheels below and then horizontally extend along the grooves on the two sides of the insulated wire cores.
The tape pressing device comprises a frame, an upper roller group and a lower roller group, wherein the upper roller group and the lower roller group are arranged on the frame in a rotating mode respectively, the upper roller group and the lower roller group are arranged on the upper portion in a surrounding mode respectively, the distance between the upper portion tape pressing group and the lower portion tape pressing group is smaller than the thickness of a cable core after the second tape paper tape is wound, the cable core enters between the upper portion roller group and the lower portion roller group, the upper portion roller group and the lower portion roller group rotate to drive the upper portion tape pressing group and the lower portion tape pressing group to move, and the first tape paper tape and the second tape paper tape are compressed.
The upper part of the frame is provided with an upper hanging bracket, the upper roller set is rotatably arranged on the upper hanging bracket, the lower part of the frame is provided with a lower supporting frame, and the lower roller set is rotatably arranged on the lower supporting frame.
Three annular guide grooves are sequentially arranged on the circumferential surface of the three-groove guide wheel.
The ground wire longitudinal wrapping die is cylindrical, a cavity is formed in the ground wire longitudinal wrapping die and is divided into two parts which are communicated front and back, the cavity in the front is in a circular truncated cone shape, and the cavity in the rear is cylindrical.
The integral longitudinal wrapping die is cylindrical, a cavity is formed in the integral longitudinal wrapping die and is divided into two parts which are communicated front and back, the cavity in the front part is in a round table shape, and the cavity in the rear part is in an oblate shape in cross section.
The invention has the following positive effects:
1. the flat cable with the double-layer longitudinally-wrapped paper structure is designed, compared with the common sheathed multi-core cable, the longitudinally-wrapped cable paper is better stripped, the cost is lower, and the economic advantage is very high;
2. a layering longitudinal wrapping device is designed, the layering longitudinal wrapping device can be installed in front of an extruder, a paper tape is longitudinally wrapped and is directly extruded out of a sheath after being compressed, and redundant production procedures are reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a layered longitudinally-wrapped flat cable according to the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a longitudinal wrapping apparatus according to the present invention;
FIG. 4 is a front view of the planar guide wheel of the present invention;
FIG. 5 is a side view of the planar guide wheel of the present invention;
FIG. 6 is a front view of the tri-groove idler of the present invention;
FIG. 7 is a side view of the tri-groove idler of the present invention;
FIG. 8 is a front view of the ground wire longitudinal wrapping mold of the present invention;
fig. 9 is a side view of the ground wire longitudinal wrapping mold of the present invention;
FIG. 10 is a front view of the integral longitudinal wrap mold of the present invention;
FIG. 11 is a side view of the integral longitudinal wrap mold of the present invention;
FIG. 12 is a front view of the belt press assembly of the present invention;
FIG. 13 is a side view of the belt press assembly of the present invention;
in the figure: the cable comprises a main line conductor 1, an insulation 2, nylon 3, a ground line conductor 4, a first paper tape 5, a second paper tape 6, a PVC sheath 7, a main line insulation wire core 8, a double pay-off rack 9, a single pay-off rack 10, a longitudinal wrapping device 11, a main frame body 111, a first guide wheel frame 112, a second guide wheel frame 113, a first paper disk 114, a second paper disk 115, a longitudinal wrapping mold 116 for the ground line, an integral longitudinal wrapping mold 117, a belt pressing device 118, a frame 118-1, an upper roller set 118-2, a lower roller set 118-3, an upper belt pressing 118-4, a lower belt pressing 118-5, an upper hanger 118-6, a lower support frame 118-7, a first plane guide wheel 119, a second plane guide wheel 120, a first guide wheel 121, a second guide wheel frame 122, a guide wheel 123, a three-groove guide wheel 124 and an extruder 12.
Detailed Description
The invention is further described with reference to the following figures and examples:
a layered longitudinally-wrapped paper flat cable comprises a main line conductor 1, insulation 2, nylon 3, a first paper tape 5, a PVC sheath 7, a ground wire conductor 4 and a second paper tape 6, wherein the insulation 2 and the nylon 3 are sequentially extruded outside the main line conductor 1 to form a main line insulation wire core 2, and the first paper tape 5 is longitudinally wrapped outside the ground wire conductor 4 to form a ground wire; the two main line insulated wire cores 2 and the ground wire are arranged side by side, wherein the ground wire is positioned between the two main line insulated wire cores 2 to form a cable core, a paper tape II 6 is longitudinally wrapped outside the cable core integrally, and a PVC sheath 7 is extruded outside the paper tape II 6.
The diameter of the ground wire is smaller than that of the main wire insulated wire core 2.
The first paper tape and the second paper tape are both kraft paper.
The insulation 2 is PVC.
A manufacturing device of a layered longitudinally-wrapped paper flat cable comprises the following steps that two main line insulation wire cores 2 are placed on a double pay-off rack 9, a ground wire conductor 4 is placed on a single pay-off rack 10, the tension of the two main line insulation wire cores 2 and the tension of the ground wire conductor 4 are adjusted to be consistent, the ground wire conductor 4 passes through a guide wheel 123 on a longitudinally wrapping device 11, a longitudinally-wrapped paper tape I5 on a ground wire longitudinally-wrapping die 116 is formed into a ground wire, the two main line insulation wire cores 2 respectively pass through grooves on two sides of a three-groove guide wheel 124 on the longitudinally wrapping device 11, the ground wire enters a groove in the middle of the three-groove guide wheel 124, the ground wire is located between the two main line insulation wire cores 2 at the moment, the two main line insulation wire cores 2 and the ground wire are arranged in parallel to form a cable core, the two main line insulation wire cores 2 and the ground wire jointly enter an integral longitudinally-wrapped paper tape II 6 after entering an integral longitudinally-wrapping die 117, then enter a belt pressing device 118 to be pressed tightly, and finally directly enter an extruder 12 to extrude a PVC sheath 7, and the flat cable is manufactured.
The longitudinal wrapping device 11 comprises a main frame 111, a first guide wheel frame 121, a second guide wheel frame 122, a first paper disc 114, a second paper disc 115, a ground wire longitudinal wrapping die 116, an integral longitudinal wrapping die 117 and a belt pressing device 118, wherein the upper end surface of the main frame 111 is sequentially provided with the first guide wheel frame 121, the second guide wheel frame 122, the ground wire longitudinal wrapping die 116, the integral longitudinal wrapping die 117 and the belt pressing device 118, the side surface of the main frame 111 is rotatably provided with the first paper disc 114 and the second paper disc 115, the first paper disc 114 and the second paper disc 115 are respectively provided with a first paper tape 5 and a second paper tape 6, the first guide wheel frame 121 is provided with two guide wheels 123 which are arranged up and down, the ground wire conductor 4 on the single pay-off frame 10 is turned by the upper guide wheel 123 and then extended downwards, then is guided by the lower guide wheel 123 and then horizontally enters the ground wire longitudinal wrapping die 116, the first paper tape 5 on the first paper disc 114 is turned by the planar guide wheel 119 and then enters the longitudinal wrapping die 116, and the ground wire conductor 4 is then horizontally extended out by the grooves in the middle of the three grooves 124; the second guide wheel frame 122 is provided with two three-groove guide wheels 124 which are arranged up and down, the two main line insulated wire cores 2 on the double pay-off rack 9 are turned by the upper three-groove guide wheel 124 and then extend downwards, and then are turned by the lower three-groove guide wheel 124 and horizontally extend along the grooves on the two sides of the main line insulated wire cores.
The tape pressing device 118 comprises a frame 118-1, and an upper roller group 118-2 and a lower roller group 118-3 which are rotatably arranged on the frame 118-1, wherein the upper roller group 118-2 and the lower roller group 118-3 are respectively provided with an upper tape pressing group 118-4 and a lower tape pressing group 118-5 in a surrounding manner, the distance between the upper tape pressing group 118-4 and the lower tape pressing group 118-5 is smaller than the thickness of the cable core after the second 6 tape is wrapped, the cable core enters between the upper roller group 118-2 and the lower roller group 118-3, and the upper roller group 118-2 and the lower roller group 118-3 rotate to drive the upper tape pressing group 118-4 and the lower tape pressing group 118-5 to move, so that the first 5 tape pressing and the second 6 tape pressing are realized.
An upper hanger 118-6 is arranged at the upper part of the machine frame 118-1, an upper roller group 118-2 is rotatably arranged on the upper hanger 118-6, a lower support frame 118-7 is arranged at the lower part of the machine frame 118-1, and a lower roller group 118-3 is rotatably arranged on the lower support frame 118-7.
Three annular guide grooves are sequentially arranged on the circumferential surface of the three-groove guide wheel 124.
The ground wire longitudinal covering die 116 is cylindrical, a cavity is formed in the ground wire longitudinal covering die, the cavity is divided into two parts which are communicated front and back, the cavity in the front is in a circular truncated cone shape, and the cavity in the rear is cylindrical.
The integral longitudinal wrapping die 117 is cylindrical, a cavity is arranged in the die, the cavity is divided into two parts which are communicated from front to back, the cavity at the front part is in a circular truncated cone shape, and the cavity at the rear part is in an oblate shape in cross section.
The cable of the embodiment takes specification of 2x14AWG +1x14AWG as an example:
the layered longitudinally-wrapped paper flat cable structure is shown in figure 1, a solid copper conductor is adopted as a conductor of a main line insulated wire core, and PVC and nylon are sequentially extruded outside for composite insulation. The nylon has better oil resistance and can play a certain role in moisture resistance and protection. The ground wire conductor is a bare copper conductor, a layer of kraft paper (paper tape I) is longitudinally wrapped outside the bare copper conductor, the kraft paper plays a role in isolating the ground wire conductor from the main wire insulation wire core, and the kraft paper plays a certain role in protection and insulation when the cable is pressed and rubbed. Kraft paper (paper tape II) is longitudinally wrapped outside the cable core, and a layer of PVC sheath is arranged. PVC has relatively good moisture resistance and corrosion resistance, and can prolong the service life of the cable.
Placing two insulated wire cores on a double pay-off rack with an active pay-off device, placing an earth wire on a single pay-off rack with the active pay-off device, adjusting the tension of the three wire cores to be consistent, then respectively drawing the three wires onto a longitudinal wrapping device through guide wheels on the double pay-off rack and the single pay-off rack, sequentially performing longitudinal wrapping of the earth wire and overall longitudinal wrapping of the three wire cores, and then feeding the earth wire and the three wire cores into an extruder to produce a sheath, as shown in fig. 2.
The specific longitudinal wrapping process is shown in fig. 3. The ground wire conductor (bare ground wire) passes through the guide wheel, and a first paper tape is longitudinally wrapped at the ground wire longitudinal wrapping die. Two main line insulated wire cores respectively pass through the grooves on the two sides of the three-groove guide wheel, the ground wire enters the groove in the middle of the three-groove guide wheel, then the three wire cores are arranged in parallel and enter the integral longitudinal wrapping die together, and the integral paper tape secondary longitudinal wrapping is completed. In order to prevent the paper tape I and the paper tape II from opening after the paper is wrapped by the longitudinal wrapping die, a belt pressing device is added for pressing, and finally the paper tape I and the paper tape II directly enter an extruder for sheath extrusion.
In actual production, the tension conditions of the two main line insulation wire cores, the ground wire conductor, the first paper tape and the second paper tape are paid attention to, the two main line insulation wire cores cannot be too large or too small, the tension of the three wire cores is ensured to be consistent as far as possible, otherwise, the phenomena of paper breaking and wrinkling can occur when the first paper tape and the second paper tape are longitudinally wrapped, a tension control system can be added when the longitudinal wrapping device is designed, and the tension control system can be an existing electronic tensioner.
Claims (3)
1. A manufacturing equipment of a layered longitudinally-wrapped flat paper cable is characterized by comprising the following steps:
placing two main line insulated wire cores (2) on a double pay-off rack (9), placing a ground wire conductor (4) on a single pay-off rack (10), adjusting the tension of the two main line insulated wire cores (2) and the tension of the ground wire conductor (4) to be consistent, wherein the ground wire conductor (4) passes through a guide wheel (123) on a longitudinal wrapping device (11), longitudinally wrapping a paper tape I (5) at a position of a ground wire longitudinal wrapping mold (116) to form a ground wire, the two main line insulated wire cores (2) respectively pass through grooves on two sides of a three-groove guide wheel (124) on the longitudinal wrapping device (11), the ground wire enters a groove in the middle of the three-groove guide wheel (124), the ground wire is positioned between the two main line insulated wire cores (2), the two main line insulated wire cores (2) and the ground wire are arranged in parallel to form a cable core, and jointly enter the integral longitudinal wrapping mold (117) to integrally longitudinally wrap the paper tape II (6), then enter a belt pressing device (118) to be pressed tightly, and finally directly enter an extruder (12) to extrude a PVC sheath (7) to finish the manufacture of a flat cable;
the longitudinal wrapping device (11) comprises a main frame body (111), a first guide wheel frame (121), a second guide wheel frame (122), a first paper disc (114), a second paper disc (115), a ground wire longitudinal wrapping die (116), an integral longitudinal wrapping die (117) and a tape pressing device (118), wherein the first guide wheel frame (121), the second guide wheel frame (122), the ground wire longitudinal wrapping die (116), the integral longitudinal wrapping die (117) and the tape pressing device (118) are sequentially arranged on the upper end face of the main frame body (111), the first paper disc (114) and the second paper disc (115) are rotatably arranged on the side face of the main frame body (111), a first paper tape (5) and a second paper tape (6) are respectively arranged on the first paper wheel frame (121), two guide wheels (123) which are vertically arranged are arranged on the first guide wheel frame (10), a ground wire conductor (4) on the single pay-off frame (10) is turned to extend downwards after being turned, then horizontally enters the ground wire longitudinal wrapping die (116) after being guided by the first guide wheel (123) on the lower guide wheel (121), and then horizontally enters a groove of the second ground wire wrapping die (124), and the three guide wheels (124) are horizontally turned into grooves of the ground wire wrapping die; two three-groove guide wheels (124) which are arranged up and down are arranged on the guide wheel frame II (122), two main line insulated wire cores (2) on the double pay-off rack (9) are turned by the upper three-groove guide wheel (124) and then extend downwards, then are turned by the lower three-groove guide wheel (124) and then horizontally extend along grooves on two sides of the main line insulated wire cores, and a paper tape II (6) on the paper tray II (115) is turned by the plane guide wheel II (120) and then enters the integral longitudinal wrapping die (117);
the tape pressing device (118) comprises a rack (118-1), and an upper roller group (118-2) and a lower roller group (118-3) which are respectively rotatably arranged on the rack (118-1), wherein the upper roller group (118-2) and the lower roller group (118-3) are respectively provided with an upper tape group (118-4) and a lower tape group (118-5) in a surrounding manner, the distance between the upper tape group (118-4) and the lower tape group (118-5) is smaller than the thickness of a cable core after wrapping the second paper tape (6), the cable core enters between the upper roller group (118-2) and the lower roller group (118-3), and the upper roller group (118-2) and the lower roller group (118-3) rotate to drive the upper tape group (118-4) and the lower tape group (118-5) to move, so as to tightly press the first paper tape (5) and the second paper tape (6);
the ground wire longitudinal wrapping die (116) is cylindrical, a cavity is arranged in the ground wire longitudinal wrapping die, the cavity is divided into two parts which are communicated front and back, the cavity at the front part is in a circular truncated cone shape, and the cavity at the rear part is cylindrical;
the integral longitudinal wrapping die (117) is cylindrical, a cavity is arranged in the die, the cavity is divided into two parts which are communicated front and back, the cavity at the front part is in a circular truncated cone shape, and the cavity at the rear part is in an oblate shape in cross section.
2. The manufacturing equipment of the layered longitudinally-wrapped flat paper cable according to claim 1, wherein: an upper hanging bracket (118-6) is arranged at the upper part of the rack (118-1), an upper roller group (118-2) is rotatably arranged on the upper hanging bracket (118-6), a lower supporting frame (118-7) is arranged at the lower part of the rack (118-1), and a lower roller group (118-3) is rotatably arranged on the lower supporting frame (118-7).
3. The manufacturing equipment of the layered longitudinally-wrapped flat paper cable according to claim 1, wherein: three annular guide grooves are sequentially arranged on the circumferential surface of the three-groove guide wheel (124).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110664462.3A CN113436793B (en) | 2021-06-16 | 2021-06-16 | Layered longitudinal paper-coated flat cable and manufacturing equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110664462.3A CN113436793B (en) | 2021-06-16 | 2021-06-16 | Layered longitudinal paper-coated flat cable and manufacturing equipment thereof |
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| CN113436793A CN113436793A (en) | 2021-09-24 |
| CN113436793B true CN113436793B (en) | 2023-03-14 |
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| JP2005222832A (en) * | 2004-02-06 | 2005-08-18 | Sumitomo Electric Ind Ltd | Manufacturing method and manufacturing device of cable |
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| CN215183235U (en) * | 2021-06-16 | 2021-12-14 | 唐山华通特种线缆制造有限公司 | Layered longitudinal paper-coated flat cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202102791U (en) * | 2011-06-28 | 2012-01-04 | 江苏远洋东泽电缆股份有限公司 | Power cable for underwater shovel arm of dredger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005222832A (en) * | 2004-02-06 | 2005-08-18 | Sumitomo Electric Ind Ltd | Manufacturing method and manufacturing device of cable |
| CN205900140U (en) * | 2016-08-12 | 2017-01-18 | 天津金山电线电缆股份有限公司 | High -speed passenger is with fire prevention thin wall locomotive cable |
| CN106128620A (en) * | 2016-08-16 | 2016-11-16 | 河北华通线缆集团股份有限公司 | A kind of multi-core parallel cable and manufacture method thereof |
| CN107610841A (en) * | 2017-09-23 | 2018-01-19 | 东莞金信诺电子有限公司 | The mould and longitudinal tubing method of a kind of vertical bag of flat wire |
| CN109509578A (en) * | 2019-01-11 | 2019-03-22 | 河北华通线缆集团股份有限公司 | A kind of distributed photovoltaic cable and production method |
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| CN113436793A (en) | 2021-09-24 |
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