CN113161060A - Aluminum-plastic composite tape, cable wrapping method and cable - Google Patents
Aluminum-plastic composite tape, cable wrapping method and cable Download PDFInfo
- Publication number
- CN113161060A CN113161060A CN202110489279.4A CN202110489279A CN113161060A CN 113161060 A CN113161060 A CN 113161060A CN 202110489279 A CN202110489279 A CN 202110489279A CN 113161060 A CN113161060 A CN 113161060A
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- Prior art keywords
- aluminum
- limiting
- plastic composite
- wrapping
- cable
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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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Package Frames And Binding Bands (AREA)
Abstract
The invention discloses an aluminum-plastic composite tape, a cable wrapping method and a cable, which comprise an aluminum base tape body, wherein limit nails are arranged on one side of the inner surface of the aluminum base tape body at equal intervals, and limit grooves matched with the limit nails are arranged on the other side of the outer surface of the aluminum base tape body; the region of the aluminum base band body provided with the limiting nail and/or the limiting groove is coated with an adhesive film; according to the invention, the limiting nails and the limiting grooves are arranged on the aluminum-plastic composite belt, when a cable is subjected to a wrapping process, the limiting grooves of the previous round of wrapping belt and the limiting nails on the next round of wrapping belt are used for limiting, so that the accuracy of the wrapping position can be ensured, the condition of bag leakage and the condition of excessive overlapping are avoided, the quality problem caused by bag leakage and the material waste caused by excessive overlapping can be effectively solved, the aluminum-plastic composite belt is adopted for wrapping, the wrapping speed and the take-up speed are not required to be considered, and the efficiency of the production wrapping process can be effectively improved.
Description
Technical Field
The invention relates to the field of cable manufacturing, in particular to an aluminum-plastic composite tape with a limiting function, a cable wrapping method and a cable.
Background
The aluminum-plastic composite tape used in the conventional cable is generally made by coating an adhesive film such as ethylene-methacrylic acid copolymer (EMAA) resin on one side or both sides of an aluminum-based tape. In the cable production process, wrap the cable core through the compound area of plastic-aluminum, utilize the compound bonding film who takes the coating of plastic-aluminum to carry out wrapping bonding for cable core appearance becomes around the covering, has metallic shield, through short-circuit current and dampproofing, waterproof function around the covering, can effectively protect the cable. Since the aluminum-plastic composite tape has the functions of metal shielding and passing short-circuit current, a part of the area of the aluminum-plastic composite tape, which is not coated with the adhesive film, is exclusively used for contacting and passing short-circuit current.
In the actual wrapping process of cable production, the condition of bag leakage or bonding film bonding dislocation is easy to occur, so that the problem of aluminum tape waste caused by gaps generated in the wrapping tape or overlarge area of the wrapping tape is caused. In order to solve the problems, people improve the direction of the wrapping equipment and the direction of the wire collecting equipment, and the wrapping speed is matched with the wire collecting speed by reducing the production speed, so that the probability of the situations is reduced; meanwhile, the lapping rate between two adjacent layers of aluminum strips is improved according to the process requirements, and the lapping quality is improved through the cooperation of reducing the production speed and increasing the lapping rate, but the production process not only reduces the production efficiency, but also greatly improves the production material cost.
Therefore, the technical personnel in the field are dedicated to developing the aluminum-plastic composite tape, the cable wrapping method and the cable which can effectively improve the wrapping precision under the condition of ensuring the production efficiency.
Disclosure of Invention
In view of the above defects in the prior art, the technical problem to be solved by the present invention is to provide an aluminum-plastic composite tape, a cable wrapping method and a cable, which can effectively improve the wrapping precision under the condition of ensuring the production efficiency.
In order to achieve the purpose, the invention provides an aluminum-plastic composite belt which comprises an aluminum-based belt body, wherein limit nails are arranged on one side of the inner surface of the aluminum-based belt body at equal intervals, and limit grooves matched with the limit nails are arranged on the other side of the outer surface of the aluminum-based belt body;
the area of the aluminum base band body provided with the limiting nail and/or the limiting groove is coated with an adhesive film.
In order to ensure that each circle of the winding package can be accurately positioned and further prevent the winding package from being misplaced, the distance between the adjacent limiting nails or limiting grooves is not more than the winding pitch h of the aluminum-plastic composite belt to the maximum extent.
In order to avoid direct friction between the limiting nail and the bottom of the limiting groove during wrapping to cause wrapping resistance and influence wrapping quality, the depth of the limiting groove is 2-5mm longer than the length of the limiting nail.
In order to avoid the dislocation change caused by the change of the outer diameter of the conductor and the instability of the lapping equipment, the limiting groove is long along the length direction of the aluminum-based belt body.
In order to reduce resistance as much as possible and ensure wrapping speed under the condition of ensuring the positioning effect, the limiting nail is triangular prism-shaped, and the limiting groove is isosceles trapezoid-shaped.
In order to prevent the limiting groove from being broken by the limiting pins, the matching parts of the limiting pins and the limiting groove are all set to be chamfers.
In order to ensure the bonding firmness of the inner and outer overlapping parts of the aluminum-plastic composite belt, the bonding film is prepared by coating a bonding agent which is in a solid state at normal temperature and is in a high-viscosity solution after being heated.
In order to meet the bending requirement of the cable, the aluminum base belt body is made of an aluminum belt with the breaking length not less than 10%.
A cable wrapping method comprises the following steps:
step 100: the preparation method of the aluminum-plastic composite belt with the limiting function comprises the following steps,
step 101, measuring the outer diameter D of a stranded wire of a cable core, the outer diameter D of a single wire and the helix angle alpha of the single wire, and calculating the pitch length of the stranded wire by using a formula h-pi tan alpha;
102, arranging one or more limiting nails and limiting grooves which are matched with each other in one stranded wire pitch;
103, respectively coating adhesive films on the areas provided with the limit nails and the limit grooves;
step 200: fixing the aluminum-plastic composite tape on the cable core;
step 300: adjusting the wrapping speed of wrapping equipment and the take-up speed of take-up equipment to match the wrapping speed with the take-up speed, starting all equipment of the wrapping process, and starting wrapping of the aluminum-plastic composite tape;
a cable uses the aluminum-plastic composite tape.
According to the invention, the limiting nails and the limiting grooves are arranged on the aluminum-plastic composite belt, when a cable is subjected to a wrapping process, the limiting grooves of the previous round of wrapping belt and the limiting nails on the next round of wrapping belt are used for limiting, so that the accuracy of the wrapping position can be ensured, the condition of bag leakage and the condition of excessive overlapping are avoided, the quality problem caused by bag leakage and the material waste caused by excessive overlapping can be effectively solved, the aluminum-plastic composite belt is adopted for wrapping, the wrapping speed and the take-up speed are not required to be considered, and the efficiency of the production wrapping process can be effectively improved.
Drawings
Fig. 1 is a schematic structural view of the aluminum-plastic composite belt of the present invention;
fig. 2 is a reference diagram of the using state of the aluminum-plastic composite tape in the wrapping process.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1 to 2, an aluminum-plastic composite belt comprises an aluminum-based belt body 1, wherein limit nails 11 are arranged at equal intervals on one side of the inner surface of the aluminum-based belt body 1, and limit grooves 12 matched with the limit nails 11 are arranged on the other side of the outer surface of the aluminum-based belt body 1;
the area of the aluminum base tape body 1 provided with the stopper pin 11 and/or the stopper groove 12 is coated with the adhesive film 4. In this embodiment, the regions of the aluminum-based belt body 1 on which the limit pins 11 and the limit grooves 12 are disposed are coated with the adhesive film, and in order to increase the bonding firmness, the adhesive film 4 may be coated only on the surface on which the limit pins 11 or the limit grooves 12 are disposed in other embodiments.
In the wrapping process, the limiting groove 12 on the outer surface of the front circle is matched with the limiting nail 11 on the inner surface of the rear circle, so that the response position of the wrapping is accurately positioned, the wrapping precision can be improved, and the using amount of the aluminum-plastic composite tape is reduced; meanwhile, through double-sided bonding, the problems of bag leakage, uneven lap belt, bonding dislocation of the bonding film and the like can be effectively avoided. The aluminum-plastic composite tape ensures the accurate bonding position of the bonding film 4, does not need to reduce the wrapping speed and the take-up speed, and can indirectly improve the production efficiency.
The distance between the adjacent limit nails 11 or the limit grooves 12 is not more than the wrapping pitch h of the aluminum-plastic composite belt to the maximum extent, namely, one or more limit nails 11 or limit grooves 12 are arranged in one wrapping pitch h, so that each circle of wrapping has one positioning point, and the covering accuracy of the whole wrapping process is ensured. In the preferred one of this embodiment around the package pitch h in equidistant 2 spacing setting 11 and spacing recess 12.
The depth of the limiting groove 12 is 2-5mm longer than that of the limiting nail 11, so that the situation that the limiting nail cuts the limiting groove due to excessive contact between the limiting nail 11 and the limiting groove caused by uneven surface of a cable core in the wrapping process is avoided, the applicability and the practicability of the aluminum-plastic composite tape are indirectly improved, and the stability of the wrapping quality is improved. Specifically, in this embodiment, the depth of the limiting groove 12 is 4mm longer than the length of the limiting nail 11, and in other embodiments, the depth may be set to be 2mm, 2.5mm, 3mm, 3.5mm, 4.5mm, or 5 mm.
In order to further increase the limiting accuracy of the limiting nail 11 and the limiting groove 12, the limiting nail 11 is triangular prism-shaped, and the limiting groove 12 is isosceles trapezoid-shaped; therefore, the contact part of the limiting nail and the limiting groove is a surface, so that accurate limiting can be further realized, and the wrapping precision can be improved.
More preferably, the adhesive film is formed by coating an adhesive which is in a solid state at room temperature and forms a highly viscous solution when heated. The ethylene-methacrylic acid copolymer (EMAA) resin selected in the embodiment is convenient for coating an adhesive film on the aluminum-plastic composite tape when the aluminum-plastic composite tape is produced, and only heating is needed when the aluminum-plastic composite tape is used, so that the use convenience of the aluminum-plastic composite tape is improved.
The aluminum base band body 1 is made of an aluminum band with the breaking length not less than 10% so as to meet the bending requirement of the cable and improve the quality and the practicability of the aluminum-plastic composite band.
A cable wrapping method comprises the following steps:
step 100: the preparation method of the aluminum-plastic composite belt with the limiting function comprises the following steps:
step 101, measuring the stranded wire outer diameter D of the cable core 3, the single wire outer diameter D and the helix angle alpha of the single wire, and calculating the stranded wire pitch length h by using a formula h ═ pi (D-D) tan alpha;
102, arranging one or more limiting nails 11 and limiting grooves 12 which are matched with each other in one stranded wire pitch; in this embodiment, there are two pairs of spacing nail 11 and the spacing recess 12 of mutually supporting in one is around the package pitch, if the interval between two spacing recesses or two spacing nails is marked as H, then stranded conductor pitch length H is 2H.
103, respectively coating adhesive films on the areas provided with the limiting nails 11 and the limiting grooves 12;
step 200: fixing the aluminum-plastic composite tape on the cable core 3;
step 300: adjusting the wrapping speed of wrapping equipment and the take-up speed of take-up equipment to match the wrapping speed with the take-up speed, starting all equipment of the wrapping process, and starting wrapping of the aluminum-plastic composite tape;
in the wrapping process, the limiting groove on the outer surface of the last round of aluminum-plastic composite tape is matched with the limiting nail on the inner surface of the next round of aluminum-plastic composite tape, so that accurate overlapping of two adjacent circles of the upper and lower round of aluminum-plastic composite tape is realized, and the problems of bag leakage, nonuniform overlapping, bonding film bonding dislocation and the like can be effectively avoided by matching the double faced adhesive tape, so that the effects of improving the wrapping precision and reducing the using amount of the aluminum-plastic composite tape are achieved.
A cable comprises the aluminum-plastic composite belt with the limiting function.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an aluminum-plastic composite belt, includes aluminum base area body (1), characterized by: limiting nails (11) are arranged on one side of the inner surface of the aluminum base band body (1) at equal intervals, and limiting grooves (12) matched with the limiting nails (11) are arranged on the other side of the outer surface of the aluminum base band body (1);
the aluminum base belt body (1) is provided with a limiting nail (11) and/or a limiting groove (12) and the area is coated with an adhesive film (4).
2. The aluminum-plastic composite tape according to claim 1, wherein: the distance between the adjacent limiting nails (11) or limiting grooves (12) is not more than the wrapping pitch (h) of the aluminum-plastic composite belt to the maximum extent.
3. The aluminum-plastic composite tape according to claim 1, wherein: the depth of the limiting groove (12) is 2-5mm longer than that of the limiting nail (1).
4. The aluminum-plastic composite tape according to claim 1, wherein: the limiting groove (12) is long-strip-shaped along the length direction of the aluminum base band body (1).
5. The aluminum-plastic composite tape according to claim 1, wherein: the limiting nail (11) is triangular prism-shaped, and the limiting groove (12) is isosceles trapezoid-shaped.
6. The aluminum-plastic composite tape according to claim 1, wherein: the matching parts of the limiting nails (11) and the limiting grooves (12) are all set to be chamfers.
7. The aluminum-plastic composite tape according to claim 1, wherein: the adhesive film (4) is prepared by coating an adhesive which is in a solid state at normal temperature and is in a high-viscosity solution after being heated.
8. The aluminum-plastic composite tape according to claim 1, wherein: the aluminum base band body (1) is made of an aluminum band with the breaking length not less than 10%.
9. A cable wrapping method is characterized by comprising the following steps: the method comprises the following steps:
step 100: the preparation method of the aluminum-plastic composite belt with the limiting function comprises the following steps,
step 101, measuring the strand outer diameter (D) and the single wire outer diameter (D) of a cable core (3) and the helix angle (alpha) of the single wire, and calculating the strand pitch length (h) by using a formula h ═ pi (D-D) tan alpha;
102, arranging one or more limiting nails (11) and limiting grooves (12) which are matched with each other in one stranded wire pitch;
103, respectively coating adhesive films on the areas provided with the limiting nails (11) and the limiting grooves (12);
step 200: fixing the aluminum-plastic composite tape on the cable core (3);
step 300: and adjusting the wrapping speed of the wrapping equipment and the take-up speed of the take-up equipment to match the wrapping speed with the take-up speed, starting all the equipment of the wrapping process, and starting wrapping of the aluminum-plastic composite tape.
10. A cable, characterized by: the aluminum-plastic composite belt according to any one of claims 1 to 8 is included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110489279.4A CN113161060A (en) | 2021-05-06 | 2021-05-06 | Aluminum-plastic composite tape, cable wrapping method and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110489279.4A CN113161060A (en) | 2021-05-06 | 2021-05-06 | Aluminum-plastic composite tape, cable wrapping method and cable |
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| Publication Number | Publication Date |
|---|---|
| CN113161060A true CN113161060A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110489279.4A Pending CN113161060A (en) | 2021-05-06 | 2021-05-06 | Aluminum-plastic composite tape, cable wrapping method and cable |
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| CN (1) | CN113161060A (en) |
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| CN202976959U (en) * | 2012-11-30 | 2013-06-05 | 天津鑫港船务服务有限公司 | Special superposable cable for deep sea ocean petroleum platform |
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| CN208433235U (en) * | 2018-08-07 | 2019-01-25 | 浙江双胤科技有限公司 | A kind of NEW TYPE OF COMPOSITE band |
| CN208478661U (en) * | 2018-05-22 | 2019-02-05 | 太阳神(珠海)电子有限公司 | A kind of card form cable |
| CN109637715A (en) * | 2019-01-16 | 2019-04-16 | 京仪股份有限公司 | The golden copper-clad alloy cable of the counter-bending heat dissipation of one kind and its manufacturing process |
| CN110085364A (en) * | 2019-05-20 | 2019-08-02 | 浙江中大元通特种电缆有限公司 | A kind of corrosion-resistant type wear-resistant cable |
| CN212061933U (en) * | 2020-05-25 | 2020-12-01 | 昆山兴鸿蒙电子有限公司 | Electromagnetic interference resistance's electric wire |
| CN212137148U (en) * | 2020-06-18 | 2020-12-11 | 浦大电缆集团有限公司 | Fireproof cable convenient to fix |
| CN212256981U (en) * | 2020-06-20 | 2020-12-29 | 安徽徽宁电器仪表集团有限公司 | Resistance to compression supports type control cable |
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2021
- 2021-05-06 CN CN202110489279.4A patent/CN113161060A/en active Pending
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| CN202976959U (en) * | 2012-11-30 | 2013-06-05 | 天津鑫港船务服务有限公司 | Special superposable cable for deep sea ocean petroleum platform |
| CN203659465U (en) * | 2014-01-04 | 2014-06-18 | 台州鑫来电缆有限公司 | Cable |
| CN205451836U (en) * | 2016-03-25 | 2016-08-10 | 江苏国宁电缆有限公司 | Drag chain cable |
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| CN207124075U (en) * | 2017-09-18 | 2018-03-20 | 上海上缆神舟线缆有限公司 | A kind of film tape wrapped for electric wire |
| CN207426362U (en) * | 2017-10-26 | 2018-05-29 | 李焯辉 | A kind of data cable for facilitating winding |
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| CN208433235U (en) * | 2018-08-07 | 2019-01-25 | 浙江双胤科技有限公司 | A kind of NEW TYPE OF COMPOSITE band |
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Application publication date: 20210723 |
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