Liquid silica gel data line extrusion device

Abstract

The utility model discloses a liquid silica gel data line extrusion device, which belongs to the technical field of data line processing and comprises an extrusion head body, and the extrusion head body comprises a preheating area for preheating a data line core and a curing area for heating and curing silica gel. The extrusion head is characterized in that the outer side of the preheating sleeve is sleeved with a heat insulation layer, the outer side of the heat insulation layer is provided with a flow channel for guiding liquid silica gel to the heating sleeve, the outer side wall of the flow channel and the outer wall of the extrusion head body define a heat preservation cavity, the top end of the preheating area is provided with a wire nozzle, and the bottom end of the preheating area is provided with a necking opening. The beneficial effects of the utility model are that the external arrangement of the wire nozzle can avoid rubber aging caused by high temperature of the preheating sleeve, and the bottom end portion of the preheating zone is provided with the necking structure, thereby reducing the shaking of the core wire in the moving process, improving the position precision of the core wire, further improving the concentricity of a wire prefabricated product, and improving the production efficiency. The thermal insulation layer can avoid the thermal influence of the preheating sleeve on the silica gel, and the thermal insulation cavity can avoid the thermal influence of the outside on the silica gel.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of data line processing, more particularly to a kind of liquid silicone data line extrusion device. BACKGROUND

[0002] Data line is by one or several core wire outer package insulation protective layer composition, to electromagnetic energy, information and realizes electromagnetic energy conversion wire product.With the development of science and technology, liquid silicone because of its good processability, in the application of wire and cable insulation protective layer more and more widely.

[0003] However, liquid silicone is prone to blistering, cracking problem in extrusion molding process, resulting in wire yield reduction, production cost increases.

[0004] In order to solve the above problems, the company applies for national invention patent patent number 202111536595.9《Wire processing device and wire processing method》, including pay-off unit, preheating unit, package extrusion unit and vulcanization unit, the package extrusion unit includes support frame, first extrusion device and second extrusion device;The first extrusion device includes first glue storage tank, first cooling assembly and first extrusion die;The second extrusion device is configured to extrude liquid package to the outer periphery of the first wire product and form a second wire product.By core wire sequentially through first extrusion device and second extrusion device processing, on the one hand, it can reduce the possibility of bubble generation in extrusion process, improve the structural strength of second wire product;On the other hand, it is convenient to control the concentricity of first wire product and second wire product, so that the concentricity of processing product is better and the above problems are solved,

[0005] But after further use, it is found that the line nozzle of the first extrusion device and the second extrusion device is made of rubber material, which can position the core wire, reduce the shaking of the core wire during movement, improve the position accuracy of the core wire entering the first extrusion die, and thus improve the concentricity of the first wire product, but long-term high-temperature use will cause rubber aging and deformation, in addition, the preheating layer will affect the silicone heat, causing the contact surface of the preheating layer and the silicone flow channel to solidify, resulting in the flow channel being narrowed. UTILITY MODEL CONTENTS

[0006] To solve the above problems, overcome the deficiencies of the prior art, the utility model provides a kind of liquid silicone data line extrusion device;

[0007] The first technical problem solved is that the line nozzle of the first extrusion device and the second extrusion device is made of rubber material, which can position the core wire, and long-term high-temperature use will cause rubber aging and deformation.

[0008] The second technical problem solved is that the preheating layer has a thermal influence on the silica gel, causing the preheating layer to solidify at a contact surface with a silica gel flow channel, and causing the flow channel to narrow.

[0009] The technical scheme for solving the above technical problems is as follows: the liquid silica gel data line extrusion device comprises an extrusion head body, the extrusion head body comprises a preheating area for preheating a data line core and a solidification area for heating and solidifying silica gel, and the device is characterized in that:

[0010] The preheating area is enclosed by a preheating sleeve, and the solidification area is enclosed by a heating sleeve, the preheating sleeve and the heating sleeve are coaxially arranged,

[0011] The outer side of the preheating sleeve is provided with a heat insulation layer, the outer side of the heat insulation layer is provided with a flow channel for guiding liquid silica gel to the heating sleeve, and the outer side wall of the flow channel and the outer wall of the extrusion head body enclose a heat preservation cavity.

[0012] Further, one end of the flow channel is in communication with a silica gel feeding port, and the other end of the flow channel is in communication with the inner cavity of the heating sleeve.

[0013] Further, the preheating sleeve and the heating sleeve are provided with an electric heating wire.

[0014] Further, the preheating sleeve and the heating sleeve are coaxially arranged along the vertical direction.

[0015] Further, the preheating area is provided with a wire nozzle at the top end.

[0016] Further, the wire nozzle is made of rubber, a high polymer material or ceramic.

[0017] Further, the preheating area is provided with a necking structure at the bottom end.

[0018] The utility model has the advantages of:

[0019] One advantage of the utility model is that the external wire nozzle can avoid rubber aging caused by high temperature of the preheating sleeve, and the necking structure at the bottom end of the preheating area can reduce shaking of the core wire during movement, improve the position accuracy of the core wire, and further improve the concentricity of the wire prefabricated product,

[0020] One advantage of the utility model is that the heat insulation layer can avoid the thermal influence of the preheating sleeve on the silica gel, and the heat preservation cavity can avoid the thermal influence of the outside on the silica gel. DETAILED DESCRIPTION OF DRAWINGS

[0021] FIG. 1 is a structural schematic diagram of the utility model; Figure 1 FIG. 2 is a partial structural schematic diagram of the utility model; and

[0022] FIG. 3 is a structural schematic diagram of the utility model; Figure 2 FIG. 4 is a partial structural schematic diagram of the utility model; and

[0023] 1. line nozzle; 2. extrusion head body; 3. heat preservation cavity; 4. flow channel; 5. heat insulation layer; 6. preheating sleeve; 7. heating sleeve; 8. heating wire; 9. silica gel feeding port; 10. data line core; 11. insulating protective layer; 12. necking. DETAILED DESCRIPTION

[0024] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the scope of protection of the utility model. In addition, the terms "first", "second" and "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] The specific embodiment of the utility model: the liquid silica gel data line extrusion device, including extrusion head body 2, extrusion head body 2 includes the preheating area for preheating data line core 10 and the solidification area for heating and solidifying silica gel;The improvement of the utility model lies in that:

[0026] Firstly, the heat insulation layer is provided to avoid the heat influence of the preheating sleeve on the silica gel, and the heat preservation cavity can avoid the heat influence of the outside on the silica gel.

[0027] Specifically, the preheating area is enclosed by the preheating sleeve 6, and the solidification area is enclosed by the heating sleeve 7, the preheating sleeve 6 and the heating sleeve 7 are coaxially arranged, the outer side of the preheating sleeve 6 is sleeved with the heat insulation layer 5, the outer side of the heat insulation layer 5 is provided with the flow channel 4 for guiding the liquid silica gel to the heating sleeve 7, and the outer side wall of the flow channel 4 and the outer wall of the extrusion head body 2 enclose the heat preservation cavity 3.

[0028] Among them, one end of the flow channel 4 is communicated with the silica gel feeding port 9, and the other end of the flow channel 4 is communicated with the inner cavity of the heating sleeve 7.

[0029] Further, the preheating sleeve 6 and the heating sleeve 7 are provided with the heating wire 8.

[0030] Further, the preheating sleeve 6 and the heating sleeve 7 are coaxially arranged along the vertical direction.

[0031] Secondly, the line nozzle is externally arranged to avoid the aging of rubber caused by high temperature of the preheating sleeve, and the preheating area is provided with the necking structure at the bottom end to reduce the shaking of the core wire during movement, improve the position accuracy of the core wire, and further improve the concentricity of the wire prefabricated product.

[0032] Specifically: the preheating zone is provided with a wire nozzle 1 at the top end. The wire nozzle 1 is rubber or high polymer material or ceramic. The preheating zone is provided with a necking 12 at the bottom end.

[0033] It should be noted that the utility model is a liquid silicone data line extrusion device, and when specifically working, 1, the liquid silicone data line extrusion device needs to be used in cooperation with a pay-off unit, a vulcanization unit and a take-up unit,

[0034] The use principle of the improvement point of the utility model is that the data line core 10 processed by the previous process is conveyed to the extrusion head body 2 by the pay-off unit, the preheating zone is provided with the wire nozzle 1 at the top end, the external arrangement of the wire nozzle 1 avoids rubber aging caused by high temperature of the preheating sleeve, and the wire nozzle 1 cooperates with the necking 12 to reduce shaking in the movement of the core wire,

[0035] The data line core 10 passes through the preheating sleeve 6 of the preheating zone, the heating wire 8 in the preheating sleeve 6 generates heat to preheat the data line core 10, and liquid silicone is better adhered to the data line core 10;

[0036] The data line core 10 passes through the necking 12 and enters the heating sleeve 7 under the traction of the next process, the heating wire with a temperature controlled at about 200 is used for heating and curing silicone to form an insulating protective layer;

[0037] 2, At the same time, the preheating sleeve 6 is provided with a heat insulation layer 5 outside, the heat insulation layer 5 is provided with a flow channel 4 outside, the flow channel 4 guides liquid silicone to the heating sleeve 7, the outer side wall of the flow channel 4 and the outer wall of the extrusion head body 2 form a heat preservation cavity 3, the heat insulation layer 5 can avoid the heat influence of the preheating sleeve 6 on silicone, and the heat preservation cavity 3 can avoid the heat influence of the outside on silicone.

[0038] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A liquid silicone data line extrusion device, comprising an extrusion head body (2), the extrusion head body (2) comprising a preheating area for preheating a data line core (10) and a curing area for heating and curing silicone; characterized in that: the preheating area is enclosed by a preheating sleeve (6), and the curing area is enclosed by a heating sleeve (7), the preheating sleeve (6) and the heating sleeve (7) are coaxially arranged, an outer side of the preheating sleeve (6) is provided with a heat insulation layer (5), an outer side of the heat insulation layer (5) is provided with a flow channel (4) for guiding liquid silicone to the heating sleeve (7), an outer side wall of the flow channel (4) and an outer wall of the extrusion head body (2) enclose a heat preservation cavity (3). One end of the flow channel (4) is in communication with a silicone feeding port (9), and the other end of the flow channel (4) is in communication with an inner cavity of the heating sleeve (7). The preheating sleeve (6) and the heating sleeve (7) are provided with an electric heating wire (8) therein.

2. The liquid silicone data line extrusion device of claim 1, wherein The preheating sleeve (6) and the heating sleeve (7) are coaxially arranged along the vertical direction.

3. The liquid silicone data line extrusion device of claim 1, wherein The preheating area is provided with a wire nozzle (1) at a top end.

4. The liquid silicone data line extrusion device of claim 1, wherein The preheating area is provided with a necking (12) at a bottom end.

5. The liquid silicone data line extrusion device of claim 4, wherein ​ 6. The liquid silicone data line extrusion device of claim 4, wherein ​

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