CN219095828U - Insulation layer extrusion molding device and compact shielding communication cable manufactured by same - Google Patents

Insulation layer extrusion molding device and compact shielding communication cable manufactured by same Download PDF

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Publication number
CN219095828U
CN219095828U CN202222874820.6U CN202222874820U CN219095828U CN 219095828 U CN219095828 U CN 219095828U CN 202222874820 U CN202222874820 U CN 202222874820U CN 219095828 U CN219095828 U CN 219095828U
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China
Prior art keywords
stirring
shaft
gear
conveying
insulation layer
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CN202222874820.6U
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Chinese (zh)
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关著铭
刘小华
冼侨信
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Grand Ease Communication Cable Co ltd
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Grand Ease Communication Cable Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation

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Abstract

The utility model discloses an insulating layer extrusion molding device and a compact shielding communication cable manufactured by the same. And the driving shaft rotates to drive the driving gear to synchronously rotate, so that the transmission gear, the stirring gear and the stirring shaft are sequentially driven to rotate, and the stirring mechanism completes the stirring operation of the materials in the feeding hopper. Therefore, in the above structural design mode, the linkage of the stirring shaft and the conveying shaft can be realized through a single driving shaft, and the material stirring and material conveying operation procedures of the insulating layer extrusion molding device can be simultaneously realized through a single driving mechanism.

Description

Insulation layer extrusion molding device and compact shielding communication cable manufactured by same
Technical Field
The utility model relates to the technical field of production and manufacture of insulating layers of communication cables, in particular to an insulating layer extrusion molding device and a compact shielding communication cable manufactured by the insulating layer extrusion molding device.
Background
Communication cables, which are cables used for transmitting telephone, telegraph, facsimile documents, television, radio programs, data and other electrical signals, are generally twisted from more than one pair of mutually insulated conductors. The production process of the communication cable generally comprises the following steps: and (3) passing the metal conductor (namely the cable core) through a threading hole of an extrusion die at the front end of the extrusion molding device, then introducing molten plastic into a runner of the extrusion die through the extrusion molding device, and finally extruding the plastic through the extrusion die and coating the plastic on the surface of the metal conductor to form an insulating layer.
The extrusion device generally comprises a feeding part, a conveying part (including heating), an extrusion part, a shaping part and the like, for example, chinese patent application publication No. CN107310121A discloses an extruder which is convenient for uniform extrusion of cables, and comprises a first motor, a second motor, a third motor and the like; the second motor is in transmission connection with the stirring shaft through a second belt and is used for driving the stirring shaft to rotate to finish material stirring operation; the third motor is fixedly connected with the threaded rod and used for driving the threaded rod to rotate to finish material conveying operation. The structural design mode can realize the automatic operation procedures of material stirring and material conveying, but the following technical defects and shortcomings exist: in the above structural design mode, at least three motors are required to be arranged to cooperatively finish operation procedures such as stirring and conveying, correspondingly, the inside of the extrusion molding device is required to be provided with at least three motor installation spaces, three motor power lines, three control wires, three electric cabinet wiring arrangement spaces and the like, so that the occupied space is large, the assembly operation is complex, and the manufacturing cost is high.
Accordingly, there is a need in the art to provide an insulation extrusion apparatus that saves installation space and manufacturing costs.
Disclosure of Invention
In order to solve the technical problems of large occupied space and complicated assembly operation in the prior art, the utility model provides the insulating layer extrusion molding device and the compact shielding communication cable manufactured by the insulating layer extrusion molding device, and the insulating layer extrusion molding device and the compact shielding communication cable manufactured by the insulating layer extrusion molding device have the characteristics of simple and reasonable structural design, capability of saving installation space, simplicity and convenience in assembly, low manufacturing cost and the like.
The utility model adopts the technical proposal for solving the problems that:
an insulation extrusion apparatus, comprising:
a frame;
the spiral conveying mechanism comprises a conveying pipeline and a conveying shaft, the conveying pipeline is fixedly arranged on the frame, and the conveying shaft is rotatably arranged in the conveying pipeline;
the feeding hopper is communicated with the conveying pipeline, the stirring mechanism comprises a stirring shaft and a stirring gear fixedly arranged on the stirring shaft, and the stirring shaft is rotatably arranged in the feeding hopper;
the driving mechanism comprises a driving shaft, a driving gear and a transmission gear, the driving shaft is fixedly connected with the conveying shaft, and the driving gear is fixedly arranged on the driving shaft;
the transmission gear is respectively connected with the driving gear and the stirring gear in a meshed mode.
In a first embodiment of the utility model, a solution is provided in relation to a specific structural arrangement of the gearbox and the stress bearing member.
The insulation layer extrusion molding device further comprises a gear box, wherein the gear box is fixedly installed on the frame, and the driving gear, the transmission gear and the stirring gear are all arranged in the gear box.
Further, the insulation extrusion apparatus further includes a stress bearing member disposed between the drive shaft and the housing of the gear case such that the drive shaft is rotatably disposed through the gear case.
In a second embodiment of the utility model, a technical solution is disclosed concerning a specific structural arrangement of the screw conveyor.
The conveying device comprises a conveying shaft, wherein spiral blades in spiral distribution are arranged on the outer peripheral side of the conveying shaft, and spiral grooves are formed between the spiral blades and the conveying shaft.
Further, the insulating layer extrusion molding device further comprises a heating device, wherein the heating device is arranged on the inner side wall of the conveying pipeline and is used for heating materials in the conveying pipeline.
In a third embodiment of the utility model, a technical solution is provided regarding a specific structural arrangement of the stirring mechanism.
Wherein, rabbling mechanism still includes stirring vane, stirring vane fixed cover is established the periphery side of (mixing) shaft, just stirring vane sets up the inside of charging hopper.
Further, the stirring mechanism further comprises a step structure, the step structure is fixedly arranged on the feeding hopper through a connecting piece, and two ends of the stirring shaft are rotatably connected with the step structure.
Further, the number of the stirring mechanisms is two, and in the two stirring mechanisms, the heights of the stirring shafts are the same, and half of the width of the stirring blades is smaller than the distance between the two stirring shafts.
In a fourth embodiment of the utility model, a solution is provided with respect to a specific structural arrangement of the conical connecting tube and the mould receiving table.
Further, one end of the conveying pipeline, which is far away from the feeding funnel, is fixedly connected with a conical connecting pipe, and one side of the conical connecting pipe, which is far away from the conveying pipeline, is provided with a die bearing table.
Based on the same design thought, the utility model also provides a compact shielding communication cable which is manufactured by the insulating layer extrusion molding device and comprises a cable core and an insulating layer, wherein the insulating layer is coated on the outer peripheral side of the cable core.
In summary, compared with the prior art, the insulation layer extrusion molding device and the compact shielding communication cable manufactured by the insulation layer extrusion molding device provided by the utility model have at least the following technical effects:
1) The insulating layer extrusion molding device is provided with a single driving mechanism, wherein the driving mechanism comprises a driving shaft, and when the driving shaft is controlled to rotate, the driving shaft can drive a conveying shaft fixedly connected with the end part of the driving shaft to synchronously rotate, so that the spiral conveying mechanism finishes the material conveying operation; in addition, the driving shaft rotates to drive the driving gear to synchronously rotate, so that the transmission gear, the stirring gear and the stirring shaft are sequentially driven to rotate, and the stirring mechanism completes the stirring operation of the materials in the feeding hopper; therefore, in the above structural design mode, the linkage of the stirring shaft and the conveying shaft can be realized through a single driving shaft, and the material stirring and material conveying operation procedures of the insulating layer extrusion molding device can be simultaneously realized through a single driving mechanism.
2) In the insulating layer extrusion molding device provided by the utility model, as the steering requirements of the conveying shaft in the spiral conveying device and the stirring shaft in the stirring mechanism are inconsistent, the double-shaft rotation (the conveying shaft and the stirring shaft) is realized through a single driving shaft of the driving mechanism, and meanwhile, transmission gears with different numbers and different sizes are arranged between the driving gear and the stirring gear and are used for adjusting the rotation direction of the stirring gear under the condition that the transmission ratio between the driving gear and the stirring gear is not influenced and the distance between the driving gear and the stirring gear is constant and the installation space is limited; and because rabbling mechanism and screw conveyor are used for accomplishing the front and back two processes of stirring operation and carrying the operation respectively, need exist the preset distance between the mounted position of conveying axle and (mixing) axle, so through setting up the position that transmission gear can compensate two gears, avoid two gears size too big and lead to occupation space too big when setting up two direct engagement, structural design is simple reasonable.
3) The compact shielding communication cable provided by the utility model is a communication cable product formed by changing an initial material into molten plastic and extruding and coating the molten plastic on the surface of a cable core by matching an insulating layer extrusion molding device with an external extrusion mold, wherein an insulating layer manufactured by the steps is uniformly and tightly coated on the outer peripheral side of the cable core, the quality problems of inconsistent dielectric constant, nonuniform outer diameter, tiny gaps and the like of the insulating layer are not easy to occur, and the integral structure of the cable is ensured to be compact, and the shielding performance of the insulating layer is good.
Drawings
FIG. 1 is a schematic view of an insulation layer extrusion apparatus according to the present utility model;
FIG. 2 is a schematic cross-sectional view of an insulation extrusion apparatus of the present utility model;
FIG. 3 is a first schematic structural view of the screw conveyor mechanism and the funnel switch mechanism of the present utility model;
FIG. 4 is a second schematic structural view of the screw conveyor mechanism and the funnel switch mechanism of the present utility model;
FIG. 5 is a schematic view of the funnel switch mechanism of the present utility model;
FIG. 6 is a schematic diagram of a compact shielded communication cable according to the present utility model;
wherein the reference numerals have the following meanings:
1. a frame; 2. a screw conveying mechanism; 21. a delivery conduit; 22. a conveying shaft; 23. a helical blade; 24. a heating device; 3. a loading hopper; 4. a gear box; 5. a driving mechanism; 51. a drive shaft; 52. a stress bearing member; 53. a drive gear; 54. a transmission gear; 6. a stirring mechanism; 61. a stirring shaft; 62. stirring blades; 63. a step structure; 64. a connecting piece; 65. a stirring gear; 7. a conical connecting pipe; 8. a die holding table; 9. an electric control box; a. a cable core; b. an insulating layer.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1 to 4, according to an embodiment of the present utility model, an insulation layer extrusion apparatus includes a frame 1 and a screw conveyor 2, the screw conveyor 2 including a conveyor pipe 21 and a conveyor shaft 22, the conveyor pipe 21 being fixedly installed on the frame 1, the conveyor shaft 22 being rotatably provided in the conveyor pipe 21. The conveying pipeline 21 is used for allowing materials to pass through, and heating and softening the materials in the process, and the conveying shaft 22 drives the spiral blades 23 to rotate through rotation, so that power is provided for conveying the materials.
The insulating layer extrusion molding device further comprises a feeding funnel 4 and a stirring mechanism 6, wherein the feeding funnel 4 is communicated with the conveying pipeline 21, the stirring mechanism 6 comprises a stirring shaft 61 and a stirring gear 65 fixedly arranged on the stirring shaft 61, and the stirring shaft 61 is rotatably arranged in the feeding funnel 4. Wherein, the material loading funnel 4 is used for supplying the material loading, after putting the material into the material loading funnel 4, can mix evenly under the stirring effect of rabbling mechanism 6. And, the inside of charging hopper 4 is linked together with the inside of pipeline 21, and the material after the stirring gets into pipeline 21's inside to accomplish subsequent transport operation.
The insulating layer extrusion molding device further comprises a driving mechanism 5, wherein the driving mechanism 5 comprises a driving shaft 51, a driving gear 53 and a transmission gear 54, the end part of the driving shaft 51 is fixedly connected with the conveying shaft 22, and the driving gear 53 is fixedly arranged on the driving shaft 51. Wherein, the transmission gear 54 is respectively engaged with the driving gear 53 and the stirring gear 65. Specifically, the driving mechanism 5 further includes a servo motor and a speed reducer (not shown in the drawings), and an output end of the servo motor is connected to an input end of the speed reducer, and an output end of the speed reducer is connected to the driving shaft 51, for controlling whether the driving shaft 51 performs a rotational motion and a rotational speed of a specific rotation.
In the technical scheme of the embodiment, the insulating layer extrusion molding device is only provided with a single driving mechanism 5, and when the driving shaft 51 is controlled to rotate, the conveying shaft 22 fixedly connected with the end part of the insulating layer extrusion molding device can be driven to synchronously rotate, so that the screw conveying mechanism 2 can complete the material conveying operation. And, the rotation of the driving shaft 51 can drive the driving gear 53 to synchronously rotate, and then sequentially drive the transmission gear 54, the stirring gear 65 and the stirring shaft 61 to rotate, so that the stirring mechanism 6 completes the stirring operation of the materials in the feeding hopper 4.
Therefore, in the above structural design manner, the linkage of the stirring shaft 61 and the conveying shaft 22 can be realized through the single driving shaft 51, that is, the material stirring and the material conveying operation procedure can be simultaneously realized through the single driving mechanism 5, the structural design is simple and reasonable, the assembly operation is simple and convenient, the assembly space is only required to be set for the single driving mechanism 5 (comprising the structures of a servo motor, a speed reducer and the like) and the circuit thereof, the installation space can be saved, and the manufacturing cost is reduced.
More specifically, since the steering demands of the conveying shaft 22 in the screw conveyor 2 and the stirring shaft 61 in the stirring mechanism 6 are not uniform, the present utility model also provides different numbers of transmission gears 54 of different sizes between the driving gear 53 and the stirring gear 65 for adjusting the rotation direction of the stirring gear 65 without affecting the transmission ratio between the driving gear 53 and the stirring gear 65 and the distance between the driving gear 53 and the stirring gear 65 being constant and the installation space being limited, while achieving simultaneous linked rotation of the conveying shaft 22 and the stirring shaft 61 by the single driving shaft 51 of the driving mechanism 5. In addition, since the stirring mechanism 6 and the screw conveyor 2 are used for respectively completing the front and rear processes of stirring operation and conveying operation, and a preset distance needs to exist between the installation positions of the conveying shaft 22 and the stirring shaft 51, the positions of the two gears can be compensated by arranging the transmission gear 54, so that the problem that the occupation space is overlarge due to the overlarge size of the two gears when the two gears are directly meshed and arranged is avoided.
Example 1
In a first embodiment of the utility model, a solution is provided in relation to a specific structural arrangement of the gearbox 4 and the stress bearing member 52.
Referring to fig. 1 and 2, in the technical solution of this embodiment, the insulation layer extrusion apparatus further includes a gear case 4, the gear case 4 is fixedly mounted on the frame 1, and the driving gear 53, the transmission gear 54, and the stirring gear 65 are all disposed inside the gear case 4. Wherein, can play isolated guard action through setting up gear box 4, avoid driving gear 53, drive gear 54 and stirring gear 65 etc. transmission structure to expose in the air and lead to structure rust or appear mistake and touch etc. potential safety hazard.
Referring to fig. 2-4, in a preferred version of this embodiment, the insulation layer extrusion apparatus further includes a stress bearing member 52, the stress bearing member 52 being disposed between the drive shaft 61 and the housing of the gearbox 4 such that the drive shaft 51 is rotatably disposed through the gearbox 4. Specifically, the stress bearing component 52 is used for supporting and bearing the driving shaft 61, so as to play a role in dispersing stress and avoid structural wear damage caused by too concentrated stress between the driving shaft 61 and the casing of the gearbox 4; and, the stress bearing member 52 can function to support the rotational movement of the drive shaft 61, effectively reducing the coefficient of friction between the drive shaft 61 and the housing of the gear case 4, thereby improving the structural reliability and stability thereof.
More specifically, the stress bearing member 52 may preferably be configured as a bearing and bearing housing.
Example 2
In a second embodiment of the utility model, a technical solution is disclosed concerning the specific structural arrangement of the screw conveyor 2.
As shown in fig. 2 to 4, in the technical solution of this embodiment, spiral blades 23 are spirally distributed on the outer peripheral side of the conveying shaft 22, and a spiral groove is formed between the spiral blades 23 and the conveying shaft 22. In particular, by providing a helical groove, on the one hand, for providing a conveying power for the flow of material and ensuring a constant flow direction of the material in the conveying pipe 21, i.e. the flow direction from the feed hopper 4 to the outlet of the conveying pipe 21; on the other hand, the structural design mode can also slow down the flow speed of the materials in the conveying pipeline 21, so that the heating device 24 can fully heat the materials in the conveying pipeline 21, and the heating and softening effects on the materials are further improved.
In a preferred version of this embodiment, as shown in fig. 2, the insulation layer extrusion apparatus further comprises a heating device 24, said heating device 24 being provided on the inner side wall of said conveying pipe 21 for heating the material inside said conveying pipe 21. In particular, the heating device 24 may preferably be an electric heating plate or a PTC heating device, and when a motor heating plate is used, the heating device 24 is arranged on the inner side wall of the conveying pipe 21 at intervals or continuously around the axis of the conveying pipe 21 as a center to perform a heating operation of the material.
Example 3
In a third embodiment of the utility model, a solution is provided concerning a specific structural arrangement of the stirring mechanism 6.
Referring to fig. 2-4, in the technical solution of this embodiment, the stirring mechanism 6 further includes a stirring blade 62, the stirring blade 62 is fixedly sleeved on the outer peripheral side of the stirring shaft 61, and the stirring blade 62 is disposed inside the loading funnel 4. Wherein, stirring vane 62 specifically is the flat structure that the protrusion formed is established in the outer periphery side of (mixing) shaft 61 and its both sides extension outwards for the cover, drives stirring vane 62 at the inside swing of charging hopper 4 when (mixing) shaft 61 rotates to accomplish the stirring operation to the material, make the preliminary misce bene of material.
Referring to fig. 3-5, the stirring mechanism 6 further includes a step structure 63, the step structure 63 is fixedly mounted on the loading funnel 4 through a connecting piece 64, and two ends of the stirring shaft 61 are rotatably connected with the step structure 63. Specifically, the step structure 63 serves as an intermediate connection structure between the stirring shaft 61 and the loading hopper 4, and serves to support the assembly of the stirring shaft 61 and to prevent the abrasion of the structure (between the stirring shaft 61 and the housing of the loading hopper 4).
As shown in fig. 3 and 4, the number of the stirring mechanisms 6 is two, and in the two stirring mechanisms 6, the heights of the stirring shafts 61 are the same, and half of the width of the stirring blade 62 is smaller than the distance between the two stirring shafts 61. Specifically, by arranging two stirring mechanisms 6 with the same height, the stirring efficiency of the materials in the feeding hopper 4 can be improved, and the materials can be mixed more uniformly. More specifically, since the heights of the two stirring shafts 61 are set to be the same, in order to avoid that the stirring blade 63 in one stirring mechanism 6 is blocked by the stirring shaft 61 in the other stirring mechanism 6 during rotation, half of the width of the stirring blade 62 is set to be smaller than the distance between the two stirring shafts 61.
Example 4
In a fourth embodiment of the utility model, a solution is provided in relation to the specific structural arrangement of the conical connecting tube 7 and the mould receiving table 8.
In the technical solution of this embodiment, as shown in fig. 1 and fig. 2, one end of the conveying pipe 21 away from the loading funnel 4 is fixedly connected with a conical connecting pipe 7, and a mold bearing platform 8 is disposed on one side of the conical connecting pipe 7 away from the conveying pipe 21. Wherein, one end of the conical connecting pipe 7 is connected with the conveying pipeline 21, the other end is connected with an external extrusion die placed on the die bearing platform 8, a conical discharge hole is formed in the conical connecting pipe and used for conveying molten plastic conveyed by the conveying pipeline 21 into a runner of the external extrusion die, and finally the molten plastic is extruded and coated on the surface of the cable core a from an extrusion hole of the extrusion die to form an insulating layer b, and finally the communication cable product is formed.
Example 5
In a fifth embodiment of the present utility model, there is provided a technical solution of a compact type shielded communication cable manufactured by the insulation layer extrusion apparatus described in the above embodiment.
Referring to fig. 6, in the technical solution of this embodiment, a compact type shielded communication cable includes a cable core a and an insulating layer b, the insulating layer b being wrapped and disposed on an outer peripheral side of the cable core a. The specific production procedures of the compact shielding communication cable are as follows: the insulating layer extrusion molding device is matched with an external extrusion die to change the initial material into molten plastic, and the molten plastic is extruded and coated on the surface of the cable core a to form an insulating layer b, so that the communication cable product is finally formed. The insulating layer b manufactured through the steps is uniformly and tightly coated on the outer peripheral side of the cable core a, so that the quality problems of inconsistent dielectric constant, nonuniform outer diameter, tiny gaps and the like of the insulating layer b are not easy to occur, the overall structure of the cable is compact, and the shielding performance of the insulating layer is good.
In summary, when the insulation layer extrusion molding device provided by the utility model controls the rotation of the driving shaft 51, the conveying shaft 22 fixedly connected to the end of the driving shaft 51 can be driven to rotate synchronously, so that the screw conveying mechanism 2 can complete the material conveying operation. And, the rotation of the driving shaft 51 can drive the driving gear 53 to synchronously rotate, and then sequentially drive the transmission gear 54, the stirring gear 65 and the stirring shaft 61 to rotate, so that the stirring mechanism 6 completes the stirring operation of the materials in the feeding hopper 4. Therefore, in the above structural design manner, the linkage of the stirring shaft 61 and the conveying shaft 22 can be realized through the single driving shaft 51, that is, the material stirring and the material conveying operation procedure of the insulating layer extrusion molding device can be simultaneously realized through the single driving mechanism 5, the structural design is simple and reasonable, the assembly operation is simple and convenient, only the assembly space is required to be arranged for the single driving mechanism and the circuit thereof, the installation space can be saved, and the manufacturing cost can be reduced.
Furthermore, since the steering demands of the conveying shaft 22 in the screw conveyor 2 and the stirring shaft 61 in the stirring mechanism 6 are not uniform, the present utility model also provides different numbers of transmission gears 54 of different sizes between the driving gear 53 and the stirring gear 65 for adjusting the rotation direction of the stirring gear 65 without affecting the transmission ratio between the driving gear 53 and the stirring gear 65 and the distance between the driving gear 53 and the stirring gear 65 being constant and the installation space being limited, while achieving biaxial rotation (the conveying shaft 22 and the stirring shaft 61) by the single driving shaft 51 of the driving mechanism 5. In addition, as the stirring mechanism 6 and the screw conveying device 2 are respectively used for completing the front and rear procedures of stirring operation and conveying operation, and a preset distance is needed between the mounting positions of the conveying shaft 22 and the stirring shaft 61, the positions of the two gears can be compensated by arranging the transmission gear 54, and the situation that the occupied space is overlarge due to overlarge size of the two gears when the two gears are directly meshed is avoided, and the structural design is simple and reasonable.
The compact shielding communication cable provided by the utility model is a communication cable product formed by changing an initial material into molten plastic and extruding and coating the molten plastic on the surface of a cable core by matching an insulating layer extrusion molding device with an external extrusion mold, wherein an insulating layer manufactured by the steps is uniformly and tightly coated on the outer peripheral side of the cable core, the quality problems of inconsistent dielectric constant, nonuniform outer diameter, tiny gaps and the like of the insulating layer are not easy to occur, and the integral structure of the cable is ensured to be compact, and the shielding performance of the insulating layer is good.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. An insulation layer extrusion apparatus, comprising:
a frame;
the spiral conveying mechanism comprises a conveying pipeline and a conveying shaft, the conveying pipeline is fixedly arranged on the frame, and the conveying shaft is rotatably arranged in the conveying pipeline;
the feeding hopper is communicated with the conveying pipeline, the stirring mechanism comprises a stirring shaft and a stirring gear fixedly arranged on the stirring shaft, and the stirring shaft is rotatably arranged in the feeding hopper;
the driving mechanism comprises a driving shaft, a driving gear and a transmission gear, the driving shaft is fixedly connected with the conveying shaft, and the driving gear is fixedly arranged on the driving shaft;
the transmission gear is respectively connected with the driving gear and the stirring gear in a meshed mode.
2. The insulation extrusion apparatus of claim 1, further comprising a gear housing fixedly mounted to the frame, wherein the drive gear, the transfer gear, and the agitator gear are disposed within the gear housing.
3. The insulation extrusion apparatus of claim 2, further comprising a stress bearing member disposed between the drive shaft and the housing of the gearbox such that the drive shaft is rotatably disposed through the gearbox.
4. The insulation layer extrusion apparatus according to claim 1, wherein the outer circumferential side of the conveying shaft is provided with spiral blades spirally distributed, and a spiral groove is formed between the spiral blades and the conveying shaft.
5. The insulation extrusion apparatus of claim 4, further comprising a heating device disposed on an inside wall of the transfer duct for heating material within the transfer duct.
6. The insulation layer extrusion apparatus according to claim 1, wherein the stirring mechanism further comprises a stirring blade fixedly sleeved on an outer peripheral side of the stirring shaft, and the stirring blade is provided inside the charging hopper.
7. The insulation layer extrusion apparatus of claim 6, wherein the stirring mechanism further comprises a step structure fixedly mounted on the loading hopper via a connecting piece, and both ends of the stirring shaft are rotatably connected with the step structure.
8. The insulation layer extrusion apparatus according to claim 7, wherein the number of the stirring mechanisms is two, and in the two stirring mechanisms, the heights of the stirring shafts are the same, and a half of the width of the stirring blade is smaller than the distance between the two stirring shafts.
9. The insulation layer extrusion molding device according to claim 1, wherein one end of the conveying pipeline far away from the feeding funnel is fixedly connected with a conical connecting pipe, and a die bearing table is arranged on one side of the conical connecting pipe far away from the conveying pipeline.
10. A compact shielded communication cable made by the insulation extrusion apparatus of any one of claims 1 to 9, comprising a cable core and an insulation layer, said insulation layer being provided around the outer peripheral side of said cable core.
CN202222874820.6U 2022-10-28 2022-10-28 Insulation layer extrusion molding device and compact shielding communication cable manufactured by same Active CN219095828U (en)

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Application Number Priority Date Filing Date Title
CN202222874820.6U CN219095828U (en) 2022-10-28 2022-10-28 Insulation layer extrusion molding device and compact shielding communication cable manufactured by same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117954170A (en) * 2024-03-21 2024-04-30 通用(天津)铝合金产品有限公司 Cable conductor twisting and extrusion integrated forming device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117954170A (en) * 2024-03-21 2024-04-30 通用(天津)铝合金产品有限公司 Cable conductor twisting and extrusion integrated forming device
CN117954170B (en) * 2024-03-21 2024-05-31 通用(天津)铝合金产品有限公司 Cable conductor twisting and extrusion integrated forming device

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GR01 Patent grant