阅读说明：本技术 一种改进型柔性防火电缆及其生产用绕包装置 (Improved flexible fireproof cable and wrapping device for production thereof ) 是由 赵怀顺 余翠容 颜世军 蔡勇 林奇庆 于 2021-09-07 设计创作，主要内容包括：本发明公开了一种改进型柔性防火电缆及其生产用绕包装置,该电缆包含有内杆、设置内干四周的数个单元线体和对单元线体形成包裹的防护组件,所述单元线体分布在所述内杆的周侧壁上；该绕包装置包含有底座、设置在所述底座上的竖直安装板、设置在所述竖直安装板中心供导体穿过的通孔、设置竖直安装板上对导体进行绕包的绕包组件；通过在导体上增加一云母带层,在防护组件内设置一层发泡陶瓷硅耐火云母层,结合由安装圆环、安装柱、驱动齿和驱动电机组组成的绕包组件实现对云母带的智能化绕包,达到优化电缆的整体结构、提升了电缆的性能、提升了绕包质量和保证了电缆的生产质量的目的。(The invention discloses an improved flexible fireproof cable and a wrapping device for production thereof, wherein the cable comprises an inner rod, a plurality of unit line bodies arranged around the inner rod and a protection component for wrapping the unit line bodies, wherein the unit line bodies are distributed on the peripheral side wall of the inner rod; the wrapping device comprises a base, a vertical mounting plate arranged on the base, a through hole arranged in the center of the vertical mounting plate and used for a conductor to pass through, and a wrapping assembly arranged on the vertical mounting plate and used for wrapping the conductor; through increasing a mica tape layer on the conductor, set up the fire-resistant mica layer of one deck foamed ceramic silicon in the protection subassembly, the combination realizes wrapping the intellectuality of mica tape by the package subassembly that winds that installation ring, erection column, drive tooth and driving motor group are constituteed, reaches the overall structure of optimizing the cable, promoted the performance of cable, promoted the purpose of wrapping the production quality of quality and having guaranteed the cable around.)

1. An improved flexible fireproof cable is characterized by comprising an inner rod, a plurality of unit line bodies arranged around the inner rod and a protection assembly for wrapping the unit line bodies, wherein the unit line bodies are distributed on the peripheral side wall of the inner rod;

the unit line body is integrally cylindrical and comprises a conductor, and a silicon adhesive tape layer, a mica tape layer and an isolation sleeve layer are sequentially wrapped around the conductor from inside to outside;

the protective component sequentially comprises a non-woven fabric layer, a foamed ceramic silicon fire-resistant mica layer and a halogen-free protective sleeve from inside to outside.

2. The improved flexible fireproof cable of claim 1, wherein a filler material formed by micro-mixing of high flame retardant and environmentally friendly material and ceramic is disposed between the unit wire body and the protective member.

3. The improved flexible fireproof cable of claim 1, wherein a plurality of mounting slots are formed in the peripheral side wall of the inner rod, and support pieces are detachably mounted in the mounting slots.

4. An improved flexible fireproof cable according to claim 1, wherein a metal mesh layer is further provided between the non-woven fabric layer and the foamed ceramic silicon fire resistant mica layer.

5. The wrapping device suitable for the improved flexible fireproof cable is characterized by comprising a base, a vertical mounting plate, a through hole and a wrapping assembly, wherein the vertical mounting plate is arranged on the base;

the wrapping assembly comprises a mounting ring, a mounting column arranged on the mounting ring and used for mounting a mica tape roll, a driven tooth arranged on the outer side wall of the mounting ring and a driving motor matched with the driving tooth.

6. The wrapping device for the improved flexible fireproof cable according to claim 5, further comprising a support member;

the supporting component comprises a cross beam erected above the base, a supporting groove arranged on the surface of the mounting ring and an L-shaped supporting rod arranged in the supporting groove;

the L-shaped supporting rods are four in number, two of the L-shaped supporting rods are arranged on the cross beam, and the two supporting rods outside the forest are arranged on the base.

7. The wrapping device suitable for the improved flexible fireproof cable according to claim 5, further comprising four support rods arranged between the mounting ring and the vertical mounting plate and a ball arranged at the top end of each support rod;

the back of the installation ring is also provided with a supporting groove, and the ball body abuts against the surface of the supporting groove.

Technical Field

The invention relates to the field of cable production and manufacturing, in particular to an improved flexible fireproof cable and a wrapping device for production thereof.

Background

The cable is an electric energy or signal transmission device, usually comprises several or several groups of wire, need carry out mica to its surface when the cable preparation around the package, carries out better protection to the cable, wherein often need use around the package machine, is one of special equipment such as production fireproof cable, control cable, communication cable. The wrapping machine in the traditional process is complex in structure, meanwhile, cables rotate in the production process, the cables are easy to damage, and the wrapping quality is poor.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

In order to solve the technical problems, the invention provides an improved flexible fireproof cable and a wrapping device for producing the same, so as to achieve the purposes of optimizing the overall structure of the cable, improving the performance of the cable, improving the wrapping quality and ensuring the production quality of the cable.

In order to achieve the purpose, the technical scheme of the invention is as follows:

an improved flexible fireproof cable comprises an inner rod, a plurality of unit line bodies arranged around an inner stem and a protection assembly for wrapping the unit line bodies, wherein the unit line bodies are distributed on the peripheral side wall of the inner rod;

the unit line body is integrally cylindrical and comprises a conductor, and a silicon adhesive tape layer, a mica tape layer and an isolation sleeve layer are sequentially wrapped around the conductor from inside to outside;

the protective component sequentially comprises a non-woven fabric layer, a foamed ceramic silicon fire-resistant mica layer and a halogen-free protective sleeve from inside to outside.

According to the invention, the mica tape layer is added on the conductor, and the foamed ceramic silicon fire-resistant mica layer is arranged in the protection assembly, so that the purposes of improving the fireproof characteristic of the cable and prolonging the service life of the cable are achieved.

Preferably, a filling material formed by mixing a high-flame-retardant environment-friendly material and ceramic micro-particles is arranged between the unit wire body and the protective component. The filling material formed by the high-flame-retardant environment-friendly material and the ceramic micro-component increases the fireproof performance of the cable, increases the strength of the wire body inside the cable, and slows down the corrosion degree of the wire body in the long-time use process.

Preferably, a plurality of mounting grooves are formed in the peripheral side wall of the inner rod, and support pieces are detachably mounted in the mounting grooves. The overall strength of the cable is improved by the mounting groove and the support sheet.

Preferably, a metal mesh layer is further arranged between the non-woven fabric layer and the foamed ceramic silicon fire-resistant mica layer.

A wrapping device suitable for an improved flexible fireproof cable comprises a base, a vertical mounting plate arranged on the base, a through hole arranged in the center of the vertical mounting plate and used for a conductor to pass through, and a wrapping assembly arranged on the vertical mounting plate and used for wrapping the conductor;

the wrapping assembly comprises a mounting ring, a mounting column arranged on the mounting ring and used for mounting a mica tape roll, a driven tooth arranged on the outer side wall of the mounting ring and a driving motor matched with the driving tooth.

The intelligent wrapping of the mica tape is realized through the wrapping assembly consisting of the mounting ring, the mounting column, the driving teeth and the driving motor group, and the purposes of improving the wrapping quality and ensuring the production quality of the cable are achieved.

Preferably, the device also comprises a support component;

the supporting component comprises a cross beam erected above the base, a supporting groove arranged on the surface of the mounting ring and an L-shaped supporting rod arranged in the supporting groove;

the L-shaped supporting rods are four in number, two of the L-shaped supporting rods are arranged on the cross beam, and the two supporting rods outside the forest are arranged on the base.

Preferably, the device also comprises four supporting rods arranged between the mounting circular ring and the vertical mounting plate and a ball body arranged at the top end of each supporting rod;

the back of the installation ring is also provided with a supporting groove, and the ball body abuts against the surface of the supporting groove. Realize the stable installation of installation ring through supporting component and bracing piece, reduce the friction that installation ring rotated the in-process and received through the spheroid.

The invention has the following advantages:

1. according to the invention, the mica tape layer is added on the conductor, and the foamed ceramic silicon fire-resistant mica layer is arranged in the protection assembly, so that the purposes of improving the fireproof characteristic of the cable and prolonging the service life of the cable are achieved.

2. The invention increases the fire resistance of the cable by the filler composed of the high flame-retardant environment-friendly material and the ceramic derivative, also increases the strength of the wire body inside the cable, and slows down the corrosion degree of the wire body in the long-time use process.

3. The invention utilizes the installation groove and the support sheet to improve the overall strength of the cable.

4. The intelligent wrapping of the mica tape is realized through the wrapping assembly consisting of the mounting ring, the mounting column, the driving teeth and the driving motor group, and the purposes of improving the wrapping quality and ensuring the production quality of the cable are achieved.

5. The intelligent wrapping of the mica tape is realized through the wrapping assembly consisting of the mounting ring, the mounting column, the driving teeth and the driving motor group, and the purposes of improving the wrapping quality and ensuring the production quality of the cable are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural diagram of an improved flexible fireproof cable according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural diagram of a wrapping device suitable for an improved flexible fireproof cable according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a support rod in a wrapping device suitable for an improved flexible fireproof cable according to an embodiment of the present invention;

the corresponding part names indicated by the numbers and letters in the drawings:

1. inner rod 11, mounting groove 12, support sheet 21, conductor 22, silica gel tape layer 23, mica tape layer

24. Isolation sleeve layer 31, non-woven fabric layer 32, metal mesh layer 33, foamed ceramic silicon fire-resistant mica layer

34. Halogen-free protective sleeve 4, base 5, vertical mounting plate 6, through hole 71, mounting ring 72 mounting column

73. Driven gear 74, driving gear 75, support rod 76, ball 81, cross beam 82 and support groove

And 83. an L-shaped supporting rod 9. a mica roll.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The invention provides an improved flexible fireproof cable and a wrapping device for production thereof, wherein the working principle is that a mica tape layer is added on a conductor, and a foamed ceramic silicon fire-resistant mica layer is arranged in a protection assembly, so that the aims of improving the fireproof characteristic of the cable and prolonging the service life of the cable are fulfilled; the filling material formed by the high-flame-retardant environment-friendly material and the ceramic micro-component increases the fireproof performance of the cable, increases the strength of the wire body inside the cable, and slows down the corrosion degree of the wire body in the long-time use process.

The present invention will be described in further detail with reference to examples and specific embodiments.

As shown in fig. 1-2, an improved flexible fireproof cable comprises an inner rod 1, a plurality of unit line bodies arranged around an inner stem, and a protection component for wrapping the unit line bodies; the filling material is arranged between the unit line body and the protection component and is formed by mixing high-flame-retardant environment-friendly materials and ceramic micro-powder; the unit line bodies are distributed on the peripheral side wall of the inner rod.

The side wall around the inner rod is provided with a plurality of mounting grooves 11, the mounting grooves are detachably provided with the supporting sheets 12, the three supporting sheets are adopted in the cable protection device, the protecting components are supported by the supporting sheets, and the overall strength of the cable is improved.

The unit line body is integrally cylindrical, the unit line body comprises a conductor 21, the periphery of the conductor is sequentially wrapped with a silicon adhesive tape layer 22 and a mica tape layer 23 from inside to outside (the mica tape layer in the embodiment is six layers), and a person skilled in the art can select a proper number of layers ] and an isolation sleeve layer 24 according to actual production requirements;

the protection component comprises a non-woven fabric layer 31, a metal mesh layer 32 and a foamed ceramic silicon fire resistant mica layer 33 from inside to outside in sequence (the foamed ceramic silicon fire resistant mica layer is two layers in the embodiment), and a person skilled in the art can select a proper number of layers and a halogen-free protection sleeve 34 according to actual production requirements. Through increasing the mica tape layer on the conductor, set up the fire-resistant mica layer of foamed ceramic silicon in protecting the subassembly, the fire-resistant mica tape of foamed ceramic silicon is burnt into hard pottery under the conflagration condition and is had the foaming casing to effectively isolated flame heat transfer, effectively protect the cable core, reduce the cable core temperature, prolonged the life of whole cable.

As shown in fig. 3-4, a wrapping device suitable for an improved flexible fireproof cable includes a base 4, a vertical mounting plate 5 disposed on the base, a through hole 6 disposed in the center of the vertical mounting plate for a conductor to pass through, a wrapping component disposed on the vertical mounting plate for wrapping the conductor, and a supporting component for mounting the wrapping component;

the wrapping assembly comprises a mounting ring 71, a mounting column 72 arranged on the mounting ring and used for mounting a mica tape roll, driven teeth 73 arranged on the outer side wall of the mounting ring, a driving motor (not shown, a driving gear 74 on the way is arranged on a driving shaft of the driving motor) matched with the driving teeth, four supporting rods 75 arranged between the mounting ring and the vertical mounting plate and a ball 76 arranged at the top end of each supporting rod; the back of the installation ring is provided with a support groove, and the ball body abuts against the surface of the support groove.

The supporting component comprises a cross beam 81 erected above the base, a supporting groove 82 arranged on the surface of the mounting ring and an L-shaped supporting rod 83 arranged in the supporting groove;

the L-shaped supporting rods are four in number, two of the L-shaped supporting rods are arranged on the cross beam, and the two supporting rods outside the forest are arranged on the base.

The wrapping device comprises the following specific use steps: as further shown in fig. 3 and 4, the mica roll 9 is placed on the mounting post 72 and the mounting post end locking screw is tightened (the nut diameter of the locking screw is larger than the spool diameter of the mica roll). When the winding starts, the cable group is continuously sent out from the through hole 6, the driving motor is started, the installation ring rotates under the driving of the driving gear 74 (due to the existence of the four type supporting rods 83 and the supporting grooves 82, the installation ring rotates without deflection in the process), and therefore the fact that the mica winding continuously winds the cable is achieved, and the winding continuity is achieved.

Meanwhile, due to the existence of the supporting rod 75 and the L-shaped supporting rod 83, the installation ring can be ensured to be located in a unique vertical plane, the situation that the installation ring shakes forwards and backwards in the rotation process of the installation ring is further avoided, the stability of wrapping is ensured, meanwhile, because two of the installation rings are provided with supporting grooves on the ground, the end portions of the supporting rods are provided with balls capable of rolling, the friction between the installation ring and the supporting rods and the L-shaped supporting rods in the rotation process of the installation ring is further reduced, and the use of the installation ring is prolonged.

Through the mode, the improved flexible fireproof cable and the wrapping device for production thereof provided by the invention have the advantages that the mica tape layer is additionally arranged on the conductor, and the foamed ceramic silicon fire-resistant mica layer is arranged in the protection assembly, so that the aims of improving the fireproof characteristic of the cable and prolonging the service life of the cable are fulfilled; the filling material formed by the high-flame-retardant environment-friendly material and the ceramic micro-component increases the fireproof performance of the cable, increases the strength of the wire body inside the cable, and slows down the corrosion degree of the wire body in the long-time use process.

While the above description discloses only the preferred embodiment of the improved flexible fireproof cable and the wrapping device for producing the same, it should be noted that those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention.