CN-122025305-A - Continuous production equipment and method for oil-cooled charging cable

CN122025305ACN 122025305 ACN122025305 ACN 122025305ACN-122025305-A

Abstract

The application relates to continuous production equipment and a continuous production method for an oil-cooled charging cable. The discharging mechanism is used for winding the metal conductor and discharging the metal conductor. The position adjusting mechanism is used for correcting the position of the metal conductor discharged by the discharging mechanism. The extrusion molding mechanism comprises an extrusion molding machine head vertically arranged below the position adjusting mechanism and a feeding assembly for feeding materials to the extrusion molding machine head, and the feeding assembly is used for extruding a liquid cooling pipe outside the metal conductor after position correction along the vertical direction. The cooling mechanism is vertically arranged below the extrusion molding mechanism and used for cooling the formed liquid cooling pipe. Through arranging extrusion molding mechanism and cooling mechanism along vertical direction, utilize vertical gravitational field to offset the deformation that the material drops and lead to in the traditional horizontal structure, realized directly vertical extrusion molding liquid cold tube outside the metal conductor, effectively broken through the length restriction of artifical threading, realized serialization production.

Inventors

ZHANG WEIFENG
YUAN ZHIYING
LIU KUNYU
ZHANG ZHAOYANG
YANG SHUAI
LI ZHIYUAN
LU ZHIGANG
YAN JUNQIAO
WEI CHENBING
Qu kuilin

Assignees

江苏中利集团股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260326

Claims (10)

1. An oil-cooled charging cable continuous production apparatus, comprising: The discharging mechanism is used for winding the metal conductor and discharging the metal conductor; the position adjusting mechanism is used for correcting the position of the metal conductor discharged by the discharging mechanism; the extrusion molding mechanism comprises an extrusion molding machine head vertically arranged below the position adjusting mechanism and a feeding assembly for feeding materials to the extrusion molding machine head, and is used for extruding a liquid cooling pipe outside the metal conductor after position correction along the vertical direction; And the cooling mechanism is vertically arranged below the extrusion molding mechanism and is used for cooling the formed liquid cooling pipe.
2. The continuous production apparatus for oil-cooled charging cables according to claim 1, wherein the extruder head comprises: The die sleeve is provided with a containing cavity; the mold core is embedded in the accommodating cavity, a first channel is formed in the mold core, a pipe barrel communicated with the first channel is arranged at the end part of the mold core, a plurality of cooling holes are formed in the pipe barrel along the circumferential side, and a feeding channel is formed among the mold core, the pipe barrel and the inner wall of the accommodating cavity; The die core seat cylinder body is embedded in the accommodating cavity and is used for bearing the die core, a second channel communicated with the first channel is formed in the die core seat cylinder body, the second channel, the first channel and the pipe barrel are matched to enable the metal conductor to pass through, a plurality of cooling air pipes are arranged at the inner edge of the second channel, and the cooling air pipes are matched with the cooling holes to perform preliminary cooling forming on the formed cooling pipes; And the feed port is connected with the feed channel and is used for receiving the polymer material particles after the melting and plasticizing of the feed assembly.
3. The oil-cooled charging cable continuous production apparatus of claim 2, wherein the feed assembly comprises: The feeding hopper is used for conveying polymer material particles; the shearing cylinder is connected with the feed hopper, the outlet of the shearing cylinder is connected with the feed port, and the shearing cylinder is provided with a shearing screw rod which is driven in a controlled manner and is used for carrying out rotary shearing on polymer material particles; and the heater is arranged at the periphery of the shearing cylinder and used for heating the polymer material particles, and the heater is matched with the shearing screw to melt and plasticize the polymer material particles.
4. The continuous production apparatus for oil-cooled charging cables according to claim 2, wherein the position adjusting mechanism comprises: the rotating wheel is arranged right above the die core seat cylinder body, a correction groove for correcting the position of the metal conductor is formed in the rotating wheel, and the correction groove is coaxial with the first channel; the driving belt is sleeved between the movable end of the driving motor and the rotating wheel, and the driving motor is matched with the driving belt to drive the rotating wheel to rotate along the vertical axis.
5. The oil-cooled charging cable continuous production apparatus according to claim 2, wherein the cooling mechanism includes: The cooling box is arranged right below the mold core, and a plurality of cooling spray heads are arranged along the periphery in the cooling box and are used for performing water spray cooling on the formed cooling pipe; The air cooling box is arranged right below the cooling box and communicated with the cooling box, and is used for carrying out air cooling on the formed cooling pipe; The water storage tank is arranged right below the air cooling tank and used for collecting cooling water sprayed out of the cooling tank.
6. The continuous production apparatus for oil-cooled charging cables according to claim 2, wherein the outer diameter of the tube is larger than the inner diameter of the liquid-cooled tube.
7. The continuous production apparatus for oil-cooled charging cables according to claim 2, wherein the inner diameter dimension of the supply passage end is the outer diameter dimension of the liquid-cooled tube.
8. A continuous production method of an oil-cooled charging cable according to any one of claims 1 to 7, comprising the steps of: controlling the discharging mechanism to discharge the metal conductor; Controlling the position adjusting mechanism to carry out discharging deviation correction on the metal conductor; Controlling the extrusion molding mechanism to extrude the liquid cooling pipe outside the metal conductor subjected to position correction along the vertical direction; And controlling the cooling mechanism to cool the formed liquid cooling pipe.
9. The continuous production method of an oil-cooled charging cable according to claim 8, wherein the controlling the extrusion mechanism to extrude the liquid-cooled tube outside the metal conductor after the position correction in the vertical direction comprises the steps of: Controlling a feeding assembly to supply melted and plasticized polymer material particles to a feeding channel so as to form the cooling pipe; And controlling the cooling air pipe to perform preliminary cooling forming on the formed cooling pipe through the cooling hole.
10. The continuous production method of an oil-cooled charging cable according to claim 8, wherein the controlling the cooling mechanism to cool the molded liquid-cooled tube comprises the steps of: Controlling a cooling spray head to spray water to cool the formed cooling pipe; and controlling the air cooling box to cool the formed cooling pipe in an air cooling way.

Description

Continuous production equipment and method for oil-cooled charging cable Technical Field The invention relates to the technical field of cable production, in particular to continuous production equipment and method for an oil-cooled charging cable. Background With the popularization and application of high-power liquid cooling charging cables, the oil cooling direct cooling structure has the characteristics of rapid cooling, high current carrying, excellent safety and the like because the power line conductor is immersed in the liquid cooling pipe filled with cooling oil. However, in the conventional high-power oil-cooled charging cable, a horizontal extrusion device is generally adopted to independently process a liquid-cooled tube during the process of producing the integrated working procedure of the power conductor and the liquid-cooled tube, and then the power conductor is penetrated into the tube through a manual device and an auxiliary device. Because the liquid cooling pipe is influenced by the gravity of the material and the gravity of the conductor in the horizontal extrusion process, the liquid cooling pipe can fall and adhere to the conductor just after the liquid cooling pipe is taken out of the die, so that the liquid cooling pipe cannot keep round and uneven in outer diameter, and is difficult to directly and continuously extrude out of the conductor to form a hollow pipe. The production mode is extremely low in efficiency and limited by friction resistance, the single-section length is generally difficult to exceed 150 meters, and the process requirement of continuous production with a large length of 500 meters and more cannot be met. Disclosure of Invention The invention aims to provide continuous production equipment and a continuous production method for an oil-cooled charging cable, which can offset deformation caused by falling of materials in a traditional horizontal structure by arranging an extrusion molding mechanism and a cooling mechanism along the vertical direction, realize direct vertical extrusion molding of a liquid-cooled pipe outside a metal conductor by matching a discharging mechanism and a position adjusting mechanism, correct the metal conductor in real time by the position adjusting mechanism, ensure the centrality of the conductor when vertically passing through an extrusion molding machine head, thoroughly solve the problems that the pipe wall is uneven and cannot be integrated on line due to the gravity of the conductor in the prior art, and effectively break through the length limitation of manual threading by the integrated design of continuous discharging, correction, vertical extrusion molding and cooling, realize high-efficiency and large-length continuous production of the high-power oil-cooled charging cable and remarkably improve the roundness and structural stability of the product. To achieve the above object, according to a first aspect of the present invention, there is provided an oil-cooled charging cable continuous production apparatus comprising: The discharging mechanism is used for winding the metal conductor and discharging the metal conductor; the position adjusting mechanism is used for correcting the position of the metal conductor discharged by the discharging mechanism; the extrusion molding mechanism comprises an extrusion molding machine head vertically arranged below the position adjusting mechanism and a feeding assembly for feeding materials to the extrusion molding machine head, and is used for extruding a liquid cooling pipe outside the metal conductor after position correction along the vertical direction; And the cooling mechanism is vertically arranged below the extrusion molding mechanism and is used for cooling the formed liquid cooling pipe. Optionally, the extrusion head comprises: The die sleeve is provided with a containing cavity; the mold core is embedded in the accommodating cavity, a first channel is formed in the mold core, a pipe barrel communicated with the first channel is arranged at the end part of the mold core, a plurality of cooling holes are formed in the pipe barrel along the circumferential side, and a feeding channel is formed among the mold core, the pipe barrel and the inner wall of the accommodating cavity; The die core seat cylinder body is embedded in the accommodating cavity and is used for bearing the die core, a second channel communicated with the first channel is formed in the die core seat cylinder body, the second channel, the first channel and the pipe barrel are matched to enable the metal conductor to pass through, a plurality of cooling air pipes are arranged at the inner edge of the second channel, and the cooling air pipes are matched with the cooling holes to perform preliminary cooling forming on the formed cooling pipes; And the feed port is connected with the feed channel and is used for receiving the polymer material particles after the melting and plasticizing of the feed assembly. Opt