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Head structure of a cable extruder

A technology of cable extrusion and extrusion head, applied in the direction of coating, etc., can solve the problems of easy damage of cable core, influence of plastic plasticization, and uneven unevenness, and achieve good stability, avoid mold dragging, and reasonable structure Effect

Active Publication Date: 2018-11-02
浙江万马股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a situation will often cause the cable core to be easily damaged, and the lowering of the extrusion temperature will affect the plasticization of the plastic, wear the mold, and produce an eccentric core, making the upper half of the extruded cable surface smooth and round, and the lower half uneven. question

Method used

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  • Head structure of a cable extruder
  • Head structure of a cable extruder
  • Head structure of a cable extruder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: as figure 1 As shown in , a head structure of a cable extruder includes a base frame and an extruder head 1, and also includes a feeding roller 2 for supporting the wire core 71 and a forming roller for supporting the cable 72 3. The feeding support roller and the forming support roller are located on opposite sides of the extrusion head, and the extrusion head includes a head seat 11, which is provided with an extrusion channel 11a. The wire core passes through the extrusion channel. In addition to being pulled tightly by the traction force, the wire core is also supported on the feeding support roller and the forming support roller. The overall stability is high, the sinking range is small, and the dragging phenomenon is not easy to occur. After the wire core passes through the extruder head, it is covered with plastic, and the cable is formed after curing (outer plastic and inner wire core).

Embodiment 2

[0026] Embodiment 2: the basic structure and implementation mode of this embodiment are the same as embodiment 1, and its difference is, as Figure 2 to Figure 6 As shown in , the base frame is provided with an adjustment structure 4 for driving the extruder head to change the angle. The adjustment structure includes an adjustment oil cylinder 41 fixed to the base frame, an adjustment shaft 42 connected with the piston rod of the adjustment oil cylinder, and an adjustment shaft 42 arranged on the The matching block 43 on the extruder head is provided with a bar-shaped hole 43a on the matching block, and the adjusting shaft stretches into the bar-shaped hole and the adjusting shaft is slidably matched with the bar-shaped hole.

[0027] The adjustment shaft is arranged horizontally, the adjustment shaft extends into the strip hole, the length direction of the strip hole is horizontal, the hole depth direction of the strip hole is horizontal, the length of the strip hole is perpen...

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Abstract

The invention discloses an extruder head structure of a cable extruder. The extruder head structure comprises a base frame and an extruder head, and further comprises a feeding support wheel for supporting a cable core and a molding support wheel for supporting a cable, wherein the feeding support wheel and the molding support wheel are located on two opposite sides of the extruder head; and the extruder head comprises an extruder head stock, wherein an extruding channel is arranged in the extruder head stock. The extruder head structure disclosed by the invention has the beneficial effects that the structure is reasonable; the extruder head structure can be used for cable extrusion, and the phenomenon that the bottom of the extruder head is towed during the manufacturing process can be avoided; and the extruder head structure is high in stability in the working process and strong in adaptability.

Description

technical field [0001] The invention belongs to the field of cable manufacturing, in particular to a head structure of a cable extruder. Background technique [0002] When the cable is manufactured, it is necessary to use an extruder to coat the wire core with a layer of plastic to form a complete cable. Among them, the wire core needs to pass through the head of the extruder. While pulling the wire core to move, the molten plastic is coated on the wire core. After leaving the machine head, it is cooled and solidified to become a (plastic-coated) cable. At present, except for some medium-voltage and high-voltage cross-linking units such as catenary CCV and vertical tower VCV, which have special installation methods, the heads of almost all cable extruders in China are installed horizontally with a center height of 1 meter. During production, the cables are tensioned by the traction force and the tension of the pay-off frame, and pass through the machine head continuously. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C47/02B29C47/12B29C47/92B29C48/30B29C48/92
CPCB29C48/154B29C48/30B29C48/302B29C48/92B29C2948/92133
Inventor 黄金坊娄永超刘腾宇
Owner 浙江万马股份有限公司
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