Cable flexible joint extruder glue discharge connection device

Abstract

The present application discloses a cable flexible joint extruder debonding connection device, which belongs to the field of cable equipment and solves the problem in the prior art that when the temperature of the extruder is reduced, the extruder will refill with air, affecting the quality of the injected insulating material. In the technical solution of the present application, the internal flow channel runs through the debonding connector; the debonding connector is connected to a switch device; a device channel running through the debonding connector is constructed in the debonding connector, the device channel is arranged perpendicular to the internal flow channel and is connected to the internal flow channel; the switch device is rotatably arranged in the device channel; the middle section of the switch device has a flow channel connection channel running through the switch device, the flow channel connection channel is perpendicular to the device channel and is arranged in coordination with the internal flow channel. The cable flexible joint extruder debonding connection device of the present application directly connects the extruder to the tooling mold and uses the mechanical characteristics of the double flow channels to directly control the quality of the injected insulating material, thereby avoiding the occurrence of uneven plasticization and scorching of the insulating material.

Description

Technical Field

[0001] The utility model relates to a cable flexible joint extruder glue discharge connection device, belonging to the field of cable processing equipment. Background Art

[0002] In recent years, with the development of the national economy, long-distance ultra-high voltage direct current transmission projects have been widely used in China. Due to the limitations of production length and transportation conditions, a single cable cannot meet the actual needs of the project, so cable joint manufacturing technology becomes particularly important. Especially for cables in special use scenarios such as submarine cables, they may need to withstand certain external forces (such as bending, stretching) and chemical effects (such as seawater corrosion). Ordinary joint structures will be more prone to cracks, and the consequences of cracks will also be easier and faster to develop further (such as water tree reactions in seawater, causing insulation breakdown).

[0003] In all kinds of cable flexible joint preparation processes, the insulating material filling and shaping must be completed in the injection molding device first, so the insulating material injection molding process is one of the key links to determine the cable flexible joint. The old injection molding process first controls the extruder to extrude the insulating material that meets the relevant standards, then connects the extruder to the tooling mold, and finally injects the insulating material into the tooling mold. When the tooling mold is connected to the high-temperature extruder, it must be stopped. The temperature of the extruder will inevitably decrease, and there is a possibility that the extruder will be filled with air again, affecting the quality of the injected insulating material. Therefore, the injection molding process is very demanding on the workers' work experience. Since the extruder is very heavy and difficult to move, it will inevitably affect the connection time in the real environment. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a cable flexible joint extruder glue discharge connection device, which directly connects the extruder to the tooling mold and uses the mechanical characteristics of the double channel to directly control the quality of the injected insulating material, thereby avoiding uneven plasticization and scorching of the insulating material.

[0005] The technical solution adopted by the utility model is a cable flexible joint extruder glue discharge connection device, comprising a glue discharge connection head with an internal flow channel;

[0006] The internal flow channel passes through the glue discharge connector; the glue discharge connector is connected to a switch device; a device channel that passes through the glue discharge connector is constructed in the glue discharge connector, and the device channel is arranged perpendicular to the internal flow channel and communicates with the internal flow channel; the switch device is rotatably arranged in the device channel;

[0007] The middle section of the switch device has a surge channel connecting channel that penetrates the switch device. The surge channel connecting channel is perpendicular to the device channel and is arranged in coordination with the internal surge channel.

[0008] Optimized, in the above-mentioned cable flexible joint extruder debonding connection device, the openings at both ends of the flow channel connecting channel are respectively located on both sides of the switch device; after the flow channel connecting channel rotates and the opening of the flow channel connecting channel faces the internal flow channel, the internal flow channel is connected with the flow channel connecting channel and the internal flow channel forms a continuous channel through the flow channel connecting channel.

[0009] Optimized, the above-mentioned cable flexible joint extruder glue discharge connection device, the internal flow channel and the device channel are cylindrical channels, and the inner diameter of the device channel is larger than the inner diameter of the internal flow channel;

[0010] The outer surface of the switch device is in sliding contact with the inner wall of the device channel.

[0011] Optimized, the above-mentioned cable flexible joint extruder glue discharge connection device, one side of the switch device is provided with a second impurity discharge channel;

[0012] The second impurity discharge channel is a strip-shaped groove constructed on one side of the switch device, and the second impurity discharge channel is arranged perpendicular to the channel connection channel;

[0013] The lower end opening of the second impurity discharge channel is located on the bottom end surface of the switch device.

[0014] Optimally, in the above-mentioned cable flexible joint extruder glue discharge connection device, the upper end of the second impurity discharge channel is located between the two end openings of the channel connection channel, and the upper end of the second impurity discharge channel is arranged in coordination with the internal channel.

[0015] Optimally, in the above-mentioned cable flexible joint extruder debonding connection device, the openings at both ends of the internal flow channel are respectively located at the end faces of the debonding connector;

[0016] The two ends of the internal flow channel are openings of an inlet end and an outlet end respectively, and the inner diameter of the outlet end of the internal flow channel is smaller than the inner diameter of the inlet end of the internal flow channel.

[0017] Optimally, in the above-mentioned cable flexible joint extruder debonding connection device, the end of the debonding connection head is connected with an annular connecting ring, and the connecting ring is sleeved on one end of the debonding connection head that matches the outlet end of the internal flow channel;

[0018] A protrusion is constructed on the inner ring surface of the connecting ring; and the end of the debinding connector has a positioning clamp ring that cooperates with the protrusion.

[0019] The beneficial effect of the present application is that the technical solution of the present application directly connects the extruder to the tooling mold and utilizes the mechanical characteristics of the double channel to directly control the quality of the injected insulating material, thereby avoiding uneven plasticization and scorching of the insulating material, simplifying the process standards of injection molding insulating materials, and improving work efficiency and the success rate of cable flexible joint preparation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1This is a schematic diagram of the internal structure after the channel connecting channel and the internal channel are connected in this application;

[0021] Figure 2 Schematic diagram of the internal structure after the second impurity discharge channel is connected to the internal channel in this application

[0022] Figure 3 This is a schematic diagram of the structure of the switch device of the present application;

[0023] Figure 4 The internal structure of the switch device of this application is shown in FIG. Figure 1 ;

[0024] Figure 5 The internal structure of the switch device of this application is shown in FIG. Figure 2 . DETAILED DESCRIPTION

[0025] The technical features of the present invention are further described below in conjunction with the accompanying drawings and specific embodiments.

[0026] The present application discloses a cable flexible joint extruder debonding connection device, comprising a debonding connector 2 with an internal flow channel 1. In the present application, the internal flow channel 1 penetrates the debonding connector 2. A device channel penetrating the debonding connector 2 is constructed in the debonding connector 2, the device channel is arranged perpendicular to the internal flow channel 1 and communicated with the internal flow channel 1, and a switch device 3 is rotatably arranged in the device channel.

[0027] As shown in the figure, the debinding connector 2 of the present application is a stainless steel integrally formed part, formed by mechanical processing. Among them, the internal flow channel 1 and the device channel are cross-connected, and the switch device 3 is inserted into the device channel. The shape of the switch device 3 is matched with the device channel, and the outer surface of the switch device 3 is in contact with the inner surface of the device channel. When the switch device 3 rotates, the outer surface of the switch device 3 slides and contacts with the inner wall of the device channel.

[0028] The middle section of the switch device 3 has a channel connection channel 301 that penetrates the switch device 3. The channel connection channel 301 is perpendicular to the device channel and is arranged in cooperation with the internal channel 1. The internal channel 1 and the device channel are cylindrical channels, and the inner diameter of the device channel is larger than the inner diameter of the internal channel 1.

[0029] The openings at both ends of the channel connecting channel 301 are respectively located on both sides of the switch device 3. After the channel connecting channel 301 rotates and the opening of the channel connecting channel 301 faces the internal channel 1, the internal channel 1 is connected with the channel connecting channel 301 and the internal channel 1 forms a continuous channel through the channel connecting channel 301. When in use, after the switch device 3 is rotated, the openings at both ends of the channel connecting channel 301 face the internal channel 1 and overlap with the internal channel 1, the internal channel 1 and the channel connecting channel 301 are connected, and the rubber material is discharged through the internal channel 1 and the channel connecting channel 301. When the switch device 3 is rotated and the openings at both ends of the channel connecting channel 301 face the inner wall of the device channel and do not overlap with the internal channel 1, the internal channel 1 is disconnected and the rubber material cannot be squeezed out through the internal channel 1.

[0030] In the present application, a second impurity discharge channel 302 is provided on one side of the switch device 3. The second impurity discharge channel 302 is constructed as a strip groove opened on one side of the switch device 3, and the length extension direction of the second impurity discharge channel 302 is perpendicular to the channel connection channel 301. The upper end of the second impurity discharge channel 302 is located between the two end openings of the channel connection channel 301, and the upper end height of the second impurity discharge channel 302 is set in coordination with the internal channel 1. The lower end opening of the second impurity discharge channel 302 is located on the bottom end surface of the switch device 3.

[0031] When in use, the switch device 3 is turned so that the upper end of the second impurity discharge channel 302 is connected to the extrusion port of the extruder through a section of the internal channel 1 close to the extruder, and the extruder works and discharges impurities, air, etc. in the extrusion port through the second impurity discharge channel 302 until the rubber material is continuously and evenly discharged from the second impurity discharge channel 302. After the switch device 3 is turned so that the two ends of the channel connecting channel 301 face the internal channel 1 and overlap with the internal channel 1, the internal channel 1 and the channel connecting channel 301 are connected, and the rubber material is discharged through the internal channel 1 and the channel connecting channel 301.

[0032] The end of the de-glue connector 2 is connected with an annular connecting ring 4, and the connecting ring 4 is sleeved on one end of the de-glue connector 2 that cooperates with the outlet end of the internal flow channel 1. A protrusion 401 is constructed on the inner ring surface of the connecting ring 4, and the end of the de-glue connector 2 has a positioning clamping ring that cooperates with the protrusion 401. The de-glue connector 2 can be fixed to the extrusion end of the extruder through the connecting ring 4, wherein the inner ring surface of the connecting ring 4 can be provided with an internal thread, and the extrusion end of the extruder has an external thread, and the connecting ring 4 is fixed to the extrusion end by the thread cooperation of the internal thread of the connecting ring 4 and the external thread on the extrusion end. At this time, the de-glue connector 2 is pressed onto the extrusion end by the protrusion 401 of the connecting ring 4 being pressed on the positioning clamping ring at the end of the de-glue connector 2.

[0033] In the present application, the plasticization quality of the insulating material extruded through the second impurity discharge channel 302 reflects the plasticization quality of the insulating material of the extruder at the corresponding moment. When the insulating material extruded through the second impurity discharge channel 302 reaches the relevant standard, the outlet of the lower channel 302 is quickly closed by rotating the switch device, so that the internal channel 1 is connected to the channel connecting channel 301, and the mechanical characteristics of the double channels are used to directly control the quality of the injected insulating material to avoid uneven plasticization and burning of the insulating material.

[0034] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Any changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should fall within the protection scope of the present invention.

Claims

1. A cable flexible joint extruder debonding connection device, comprising a debonding connector (2) with an internal flow channel (1); characterized in that: The internal flow channel (1) passes through the debonding connector (2); the debonding connector (2) is connected to a switch device (3); a device channel passing through the debonding connector (2) is constructed in the debonding connector (2), the device channel is arranged perpendicular to the internal flow channel (1) and is connected to the internal flow channel (1); the switch device (3) is rotatably arranged in the device channel; The middle section of the switch device (3) has a flow channel connecting channel (301) that penetrates the switch device (3); the flow channel connecting channel (301) is perpendicular to the device channel and is arranged in coordination with the internal flow channel (1).

2. The cable flexible joint extruder glue discharge connection device according to claim 1, characterized in that: The openings at both ends of the surge channel connecting channel (301) are respectively located on both sides of the switch device (3); after the surge channel connecting channel (301) rotates and the opening of the surge channel connecting channel (301) faces the internal surge channel (1), the internal surge channel (1) is connected to the surge channel connecting channel (301) and the internal surge channel (1) forms a continuous channel through the surge channel connecting channel (301).

3. The cable flexible joint extruder glue discharge connection device according to claim 1, characterized in that: The internal channel (1) and the device channel are cylindrical channels, and the inner diameter of the device channel is larger than the inner diameter of the internal channel (1); The outer surface of the switch device (3) is in sliding contact with the inner wall of the device channel.

4. The cable flexible joint extruder glue discharge connection device according to claim 1, characterized in that: A second impurity discharge channel (302) is provided on one side of the switch device (3); The second impurity discharge channel (302) is a strip-shaped groove constructed on one side of the switch device (3), and the second impurity discharge channel (302) is arranged perpendicular to the channel connecting channel (301); The lower end opening of the second impurity discharge channel (302) is located on the bottom end surface of the switch device (3).

5. The cable flexible joint extruder glue discharge connection device according to claim 4, characterized in that: The upper end of the second impurity discharge channel (302) is located between the two end openings of the channel connecting passage (301), and the upper end of the second impurity discharge channel (302) is arranged in coordination with the internal channel (1).

6. The cable flexible joint extruder glue discharge connection device according to claim 1, characterized in that: The openings at both ends of the internal flow channel (1) are respectively located at the end surfaces of both ends of the glue discharge connector (2); The two end openings of the internal flow channel (1) are an inlet end and an outlet end respectively, and the inner diameter of the outlet end of the internal flow channel (1) is smaller than the inner diameter of the inlet end of the internal flow channel (1).

7. The cable flexible joint extruder glue discharge connection device according to claim 6, characterized in that: The end of the debonding connector (2) is connected with an annular connecting ring (4), and the connecting ring (4) is sleeved on one end of the debonding connector (2) that matches with the outlet end of the internal flow channel (1); A protrusion (401) is constructed on the inner ring surface of the connecting ring (4); and the end of the debonding connector (2) has a positioning clamping ring that cooperates with the protrusion (401).

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