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Flow-guide die core

A diversion mold and mold core technology, which is applied in the direction of cable/conductor manufacturing, electrical components, circuits, etc., can solve problems such as inability to evenly coat lead liquid, uneven lead sheath coating, and large gravity of lead liquid. Achieve the effect of simple structure, good coating effect and low cost

Active Publication Date: 2016-10-26
伊东新(德阳)线缆设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual coating process, the lead liquid moves upwards along the diversion core, limited by the structure of the diversion core and the influence of the gravity of the lead liquid, the amount of lead at the inlet of the lead liquid of the diversion core and the lower part of the diversion core The amount of lead in the lead must be more than the amount of lead at the outlet of the lead liquid of the diversion core and the amount of lead on the upper part of the diversion core, which will inevitably lead to uneven coating of the lead sheath
Especially when it is necessary to coat large-diameter wires and cables with specifications of Φ100-Φ200mm, more lead liquid is required for coating, and the gravity of lead liquid is also very large, that is, when coating large-diameter wires and cables, the coating will be further aggravated. uneven problem
In addition, although the technical scheme of adjusting the wall thickness of the lead layer through the mold adjustment device is proposed in the above-mentioned prior art, this technical scheme also cannot make the lead liquid evenly coated on the wire and cable.

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment 1

[0027] A diversion mold core, comprising a mold core body 1, four lead liquid confluence ports 2 are arranged at the end of the mold core body 1, and a flow guide 3 and a primary diverter 4 are arranged on the mold core body 1 and two secondary diverters 5, the primary diverter 4 and the guide 3 are respectively arranged on both sides of the core body 1, and the primary divider 4 and the guide 3 form two symmetrical lines on the core body 1. The primary flow channel, two secondary flow pieces 5 are symmetrically arranged on the core body 1, and the two primary flow pieces 4 are located between the flow guide 3 and the primary flow piece 4, and the two secondary flow pieces 5 pass through The primary flow guide 4 and the flow guide 3 form four secondary flow channels on the core body 1, that is, the two secondary flow guides 5 cooperate with the flow guide 3 and the primary flow guide 4 respectively to separate the two primary flow channels into four secondary shunt channels. ...

Embodiment 2

[0031] A diversion mold core, comprising a mold core body 1, four lead liquid confluence ports 2 are arranged at the end of the mold core body 1, and a flow guide 3 and a primary diverter 4 are arranged on the mold core body 1 and two secondary diverters 5, the primary diverter 4 and the flow guide 3 are respectively arranged on both sides of the core body 1, the two secondary diverters 5 are symmetrically arranged on the core body 1, and the two secondary diverters The secondary distribution piece 5 forms four secondary flow passages on the core body 1 through the primary flow distribution piece 4 and the guide piece 3 . Wherein, the heights of the flow guide 3 , the primary flow divider 4 and the two secondary flow dividers 5 on the core body 1 are the same, and the flow guide 3 , the primary flow divider 4 and the two secondary flow dividers 5 Corresponding to the four lead liquid confluence ports 2 respectively.

Embodiment 3

[0033] A diversion mold core, comprising a mold core body 1, four lead liquid confluence ports 2 are arranged at the end of the mold core body 1, and a flow guide 3 and a primary diverter 4 are arranged on the mold core body 1 and two secondary diverters 5, the primary diverter 4 and the flow guide 3 are respectively arranged on both sides of the core body 1, the two secondary diverters 5 are symmetrically arranged on the core body 1, and the two secondary diverters The secondary distribution piece 5 forms four secondary flow passages on the core body 1 through the primary flow distribution piece 4 and the guide piece 3 .

[0034] In this embodiment, the cross-section of the secondary flow distribution member 5 is a triangular structure, and the three corners of the secondary flow distribution member 5 are rounded. Further, the rounding radius of the corner of the lower part of the secondary diverter 5 close to the flow guide 3 is 55-65 mm, preferably the rounding radius of th...

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PUM

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Abstract

The present invention discloses a flow-guide die core, comprising a die core body, wherein four lead solution flow convergence ports are arranged in the end of the die core body, a flow-guide component, a primary flow-separation component and two secondary flow-separation components are arranged on the die core body, the primary flow-separation component and the flow-guide component are respectively arranged at both sides of the die core body, the two secondary flow-separation components are symmetrically arranged on the die core body, and four secondary flow-separation channels are formed on the die core body by the two secondary flow-separation components through the primary flow-separation component and the flow-guide component. The flow-guide die core of the present invention can perform secondary flow separation on lead solution and four secondary flow-separation channels are formed, thereby enabling wires and cables to be uniformly coated with the lead solution.

Description

technical field [0001] The invention relates to the field of continuous lead extrusion machines, in particular to a diversion mold core. Background technique [0002] With the rapid development of the world economy and construction, lead-clad cables have been widely used in various fields due to their strong corrosion resistance, such as submarine cables and deep well oil and mine cables, and the demand is also increasing. The demand for equipment for producing lead-clad cables is also increasingly apparent. [0003] In the current technology, the continuous lead extruder is one of the equipments for producing wire and cable, and its function is to cover the lead sheath of the cable. However, in the actual coating process, there is often the problem that the lead sheath cannot be evenly coated on the wire and cable. [0004] In order to solve the above technical problems, the following solutions are proposed in the prior art: [0005] For example, the prior art of CN20167...

Claims

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Application Information

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IPC IPC(8): H01B13/24
CPCH01B13/245
Inventor 张纺段俊
Owner 伊东新(德阳)线缆设备有限公司