CN211334662U

CN211334662U - Mold and equipment for continuously producing porous cable tubes

Info

Publication number: CN211334662U
Application number: CN201921882201.3U
Authority: CN
Inventors: 梁如高; 刘武钢; 闵大勇
Original assignee: Hubei Zhongfuneng New Material Co ltd
Current assignee: Hubei Zhongfuneng New Material Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-08-25
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a mould and equipment for continuous production porous cable pipe relates to cable pipe production facility field, a mould for continuous production porous cable pipe includes mandrel main part and support frame, the mandrel main part include pultrusion die core section, with the winding die core section that pultrusion die core section is connected, the external diameter of pultrusion die core section is greater than the external diameter of winding die core section, the middle part of mandrel main part is provided with along axially extended central die cavity, the border of central die cavity is provided with a plurality of cell type chambeies along radially extending and with central die cavity intercommunication, and is a plurality of the cell type chamber runs through wind the outer peripheral face of die core section, and wind the outer peripheral face of die core section form a plurality of bar openings along axially extending, the support frame with pultrusion die core section is connected. The utility model discloses a mould for continuous production porous cable pipe can realize porous cable pipe continuous production, has improved production efficiency, has simplified production processes, has reduced the cost of labor.

Description

Mold and equipment for continuously producing porous cable tubes

Technical Field

The embodiment of the utility model provides a cable duct production facility field, concretely relates to mould and equipment for continuous production porous cable pipe.

Background

The cable communication establishment is developed in a rapid manner in the last decade, and especially, with the coming of 5G, the requirements on the safety and stability of a cable communication line deeply buried underground are higher and higher due to the deep integration of the Internet of things, cloud computing and large data depth and infrastructure.

The glass fiber reinforced plastic cable protection pipe has the advantages of high ring stiffness, good flexibility of the pipe, good insulating property, no electric corrosion, good heat resistance, smooth inner wall surface, strong cold resistance and water resistance, long service life and the like, and is more and more popular to be applied in the field of cable communication.

One of the current solutions for solving the problem of the fiber reinforced plastic cable protection tube is to adopt a pultrusion process, although the pultrusion process can produce the fiber reinforced plastic porous cable tube, the fiber reinforced plastic porous cable tube cannot be annularly paved by longitudinal paving, and the cable tube has low ring stiffness and cannot exert the advantages of the fiber reinforced plastic pipeline; the cable pipe produced by the scheme that the inner hole of the pipeline is produced and then the inner hole of the pipeline is moved to a winding machine to be wound out of the outer wall of the pipeline by using a winding process meets the technical requirements in all aspects of indexes such as ring rigidity and the like, but the inner hole and the outer wall of the pipeline are produced by two different processes separately, so that continuous production cannot be carried out, the operation is complex, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a mould and equipment for continuous production porous cable pipe to solve the problem that product ring rigidity that current glass steel cable protection tube production technology exists production is low, complex operation and production efficiency hang down.

In order to realize the above-mentioned purpose, the embodiment of the utility model provides a mould for continuous production porous cable pipe, a mould for continuous production porous cable pipe includes mandrel main part and support frame, the mandrel main part include pultrusion mandrel section, with the winding mandrel section that pultrusion mandrel section is connected, the external diameter of pultrusion mandrel section is greater than the external diameter of winding mandrel section, the middle part of mandrel main part is provided with along axially extended's central die cavity, the border of central die cavity is provided with a plurality of cell type chambeies along radial extension and with central die cavity intercommunication, and is a plurality of the cell type chamber runs through the outer peripheral face of winding mandrel section, and the outer peripheral face of winding mandrel section forms a plurality of bar openings along axially extended, the support frame with pultrusion mandrel section is connected.

Furthermore, four groove-shaped cavities are arranged at the edge of the central cavity and are uniformly distributed at intervals.

Furthermore, the cross sections of the pultrusion die core section and the winding die core section are both circular, and the axis of the pultrusion die core section and the axis of the winding die core section are the same straight line.

Further, an electric heating sheet or an electric heating wire is arranged inside the pultrusion die section and the winding die section.

Further, the width of the groove cavity is 1 mm-6 mm.

Correspondingly, the embodiment of the utility model provides an equipment for continuous production porous cable pipe is still provided, equipment for continuous production porous cable pipe includes as above the mould that is used for continuous production porous cable pipe.

The embodiment of the utility model provides a have following advantage:

1. the utility model discloses a mould for continuous production porous cable pipe can realize porous cable pipe continuous production, has improved production efficiency, has simplified production processes, has reduced the cost of labor.

2. The utility model discloses a cable duct internal porous structure and cable duct that is used for mould production of continuous production porous cable duct connect into a whole, can play the supporting role to the cable duct, improve the ring rigidity of cable duct, can make thinner cable duct under equal technical parameter requires, practice thrift raw and other materials, further reduction in production cost.

3. The cable tube produced by the mould for continuously producing the porous cable tube of the embodiment of the utility model adopts an integral forming process, thereby effectively improving the utilization rate of the space in the cable tube compared with the existing large-tube sleeve small-tube structure; during construction, the porous cable pipe does not need to be spliced and assembled on a construction site like a single-hole pipe, so that construction is simpler.

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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic perspective view of a mold for continuously producing a porous cable tube according to an embodiment of the present invention;

fig. 2 is a schematic front sectional view of a pultrusion die core section provided by an embodiment of the present invention;

fig. 3 is a schematic sectional front view of a winding core mold section according to an embodiment of the present invention;

fig. 4 is a schematic use view of a mold for continuously producing a porous cable tube according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a winding machine according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a cable duct according to an embodiment of the present invention;

fig. 7 is a schematic sectional view of a cable duct according to an embodiment of the present invention.

Description of reference numerals: 10. a core mold main body; 20. a support frame; 11. pultrusion of the die core section; 12. winding the core mold section; 13. a central mold cavity; 14. a groove cavity; 15. a strip-shaped opening; 30. a winding machine; 40. an outer curing mold; 50. a glass fiber yarn; 60. and a soaking tank.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the mold for continuously producing the porous cable pipe comprises a core mold main body 10 and a supporting frame 20, wherein the core mold main body 10 is cylindrical, the core mold main body 10 comprises a pultrusion core section 11 and a winding core section 12 connected with the pultrusion core section 11, the pultrusion core section 11 and the winding core section 12 are integrally molded, the cross sections of the pultrusion core section 11 and the winding core section 12 are both circular, the outer diameter of the pultrusion core section 11 is greater than the outer diameter of the winding core section 12, the outer diameter of the winding core section 12 is equal to the inner diameter of the designed cable pipe, and the axis of the pultrusion core section 11 and the axis of the winding core section 12 are in the same straight line. As shown in fig. 2 and 3, a central cavity 13 extending in the axial direction is provided in the middle of the core mold body 10, the central cavity 13 axially penetrates the entire core mold body 10, four groove cavities 14 extending in the radial direction and communicating with the central cavity 13 are provided at the edge of the central cavity 13, the four groove cavities 14 are uniformly and alternately distributed, and the four groove cavities 14 and the central cavity 13 form a cross-shaped cavity, although the number of the groove cavities 14 is not limited to four, and may be three, five or more. The four groove cavities 14 extend radially and penetrate through the outer peripheral surface of the winding core mold section 12, a plurality of strip-shaped openings 15 extending along the axial direction are formed in the outer peripheral surface of the winding core mold section 12, the strip-shaped openings 15 can enable the glass fiber yarns 50 soaked with resin in the groove cavities 14 to be in contact with the glass fiber yarns 50 soaked with resin wound outside and to be cured into a whole, the size of the groove cavities 14 of the drawing core mold section 11 is the same as that of the groove cavities 14 of the winding core mold section 12, and the width of the groove cavities 14 is 1 mm-6 mm. The slot-shaped cavity 14 of the pultrusion core segment 11 and the slot-shaped cavity 14 wound around the core segment 12 provide a passage for the glass fiber yarn 50 to pass freely through. The support frame 20 is connected with the pultrusion core section 11, and the support frame 20 is mainly used for the core body 10 to play a supporting role.

Further, in a preferred embodiment of the present invention, the pultrusion core segment 11 and the winding core segment 12 are both provided with electric heating plates, and of course, electric heating wires may be provided, and the temperature of the core body 10 can be controlled by controlling the temperature of the electric heating plates during operation.

As shown in fig. 4 and 5, during production, the glass fiber yarn 50 is first soaked with resin through the soaking tank 60, and the glass fiber yarn 50 soaked with resin enters the cross-shaped cavity of the pultrusion die core section 11 to be extruded and molded into a preliminary pre-formed cross-shaped strip, and then enters the cross-shaped cavity of the winding die core section 12; controlling the winding machine 30 to start working, wherein the winding machine 30 rotates around the axis of the core mold main body 10, the winding machine 30 winds the impregnated glass fiber yarn 50 on the outer surface of the winding core mold section 12 in the rotating process and solidifies the inner wall of the cable pipe, as shown in fig. 6 and 7, as the inner wall of the cable pipe wound on the outer surface of the winding core mold section 12 is attached to the cross-shaped strip, when the inner wall of the cable pipe is solidified on the winding core mold section 12, the resin soaked on the glass fiber yarn 50 contacts with the cross-shaped strip through the strip-shaped opening 15, and the cross-shaped strip is connected with the inner wall of the cable pipe to be solidified into a complete porous cable pipe, the cross-shaped strip solidified under the action of traction force and the solidified inner wall of the cable pipe synchronously advance into the external solidification mold 40, and the external solidification of the cable pipe is carried out by the external solidification mold 40.

Correspondingly, the utility model discloses still provide an equipment for continuous production porous cable pipe, the mould for continuous production porous cable pipe that the equipment package for continuous production porous cable pipe was as above-mentioned, because the mould for continuous production porous cable pipe has been introduced in above-mentioned embodiment, will not describe in detail here.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a mould for continuous production porous cable pipe, its characterized in that, a mould for continuous production porous cable pipe includes mandrel main part and support frame, the mandrel main part include pultrusion mandrel section, with the winding mandrel section that pultrusion mandrel section is connected, the external diameter of pultrusion mandrel section is greater than the external diameter of winding mandrel section, the middle part of mandrel main part is provided with along axially extended central die cavity, the border of central die cavity is provided with a plurality of groove type chambeies along radial extension and with central die cavity intercommunication, and is a plurality of the groove type chamber runs through the outer peripheral face of winding mandrel section, and the outer peripheral face of winding mandrel section forms a plurality of bar openings along axially extended, the support frame with pultrusion mandrel section is connected.

2. The mold for the continuous production of porous cable ducts according to claim 1, wherein the edges of the central mold cavity are provided with four groove-shaped cavities, and the four groove-shaped cavities are uniformly and alternately distributed.

3. The die for the continuous production of cellular cable ducts according to claim 1 or 2, wherein the cross-sections of the pultrusion core segment and the winding core segment are both circular, and the axis of the pultrusion core segment and the axis of the winding core segment are collinear.

4. The die for continuously producing perforated cable conduits as claimed in claim 3, wherein the interior of the pultrusion die section and the winding die section is provided with electric heating plates or wires.

5. The mold for continuous production of porous cable tubes according to claim 4, wherein the width of the groove cavity is 1mm to 6 mm.

6. An apparatus for continuously producing a perforated cable conduit, characterized in that the apparatus for continuously producing a perforated cable conduit comprises a mould for continuously producing a perforated cable conduit according to any one of claims 1 to 5.