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Extrusion wheel of continuous extruder

A technology of extrusion wheel and extrusion machine, which is applied in the direction of metal extrusion forming tools, metal extrusion, metal processing equipment, etc. Effect

Pending Publication Date: 2021-04-16
大连康丰科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the extrusion wheel is subjected to the extrusion force during operation, and the friction between the extrusion wheel and the billet makes the vicinity of the extrusion wheel groove and the outer surface of the extrusion wheel still in a high temperature state, in order to control the extrusion temperature, the traditional The continuous extrusion machine generally carries out water cooling on the inner surface of the extrusion wheel. After working for a period of time, the extrusion wheel will gradually crack from the inner surface to the outer surface. When it is completely cracked, the extrusion wheel will be scrapped. One of the main ways of wheel scrapping

Method used

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  • Extrusion wheel of continuous extruder
  • Extrusion wheel of continuous extruder
  • Extrusion wheel of continuous extruder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] like Figure 1 to Figure 3 The extrusion wheel of a continuous extrusion machine shown has a circular groove 4 in the circumferential direction on the extrusion wheel 5. On the end face 1 of the extrusion wheel 5, 32 through-extrusion grooves are distributed along the circumferential direction. The through holes 2 on the two end faces of the pressing wheel 5, the diameter of the through hole 2 is d=12mm, the included angle between the center line and the center line of the extrusion wheel is 0°, and the space left between the center line of the through hole and the bottom of the annular groove 4 The distance is 27mm; the same number of end surface grooves 3 connected with the through hole 2 are distributed along the circumferential direction on the two end surfaces of the extrusion wheel, and the innermost side of the end surface groove 3 is connected to the side of the extrusion wheel annular groove. The distance H=20mm, the distance between the uppermost side and the ...

Embodiment 2

[0020] The structure and connection relationship of each part of the extrusion wheel of a continuous extrusion machine described in this embodiment are the same as those in Embodiment 1, the differences are:

[0021] On the end surface 1 of the extrusion wheel 5, 16 through holes 2 passing through the two end surfaces of the extrusion wheel 5 are distributed along the circumferential direction. The angle is 15°, and the distance between the central line of the through hole and the bottom of the annular groove 4 is 5 mm; the end face groove 3 connected with three through holes 2 is distributed along the circumferential direction on one end face of the extrusion wheel, and the end face The distance between the innermost side of the groove 3 and the side of the annular groove of the extrusion wheel is H=5mm, and the distance between the uppermost side and the outer cylindrical surface of the extrusion wheel is L=3mm; the end surface groove 3 is a chute, and the groove width is une...

Embodiment 3

[0023] The structure and connection relationship of each part of the extrusion wheel of a continuous extrusion machine described in this embodiment are the same as those in Embodiment 1, the differences are:

[0024] On the end surface 1 of the extrusion wheel 5, 50 through holes 2 passing through the two end surfaces of the extrusion wheel 5 are distributed along the circumferential direction. The angle is 30°, the distance from the center line of the through hole to the bottom of the annular groove 4 is 50mm; the distance between the innermost side of the end surface groove 3 and the side of the annular groove of the extrusion wheel is H=50mm, and the uppermost side and the extrusion wheel The distance of the outer cylindrical surface is L=40mm; the end surface groove 3 is a curved groove.

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PUM

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Abstract

The invention relates to the technical field of continuous extrusion and continuous coating of non-ferrous metals such as copper and aluminum, in particular to an extrusion wheel of a continuous extruder. At least one annular groove is formed in the circumferential direction, and a plurality of through holes penetrating through the two end faces of the extrusion wheel are distributed in the end face of the extrusion wheel in the circumferential direction. The extrusion wheel is characterized in that a plurality of end face grooves communicating with the through holes are distributed in the end face of the extrusion wheel in the circumferential direction, the distance between the innermost side of each end face groove and the side edge of each annular groove of the extrusion wheel is 5 mm-50 mm, and the distance between the uppermost side of each end face groove and the outer cylindrical surface of the extrusion wheel is 3 mm-40 mm. By changing a cooling water channel of the extrusion wheel, the temperature distribution and the stress state of the extrusion wheel are changed while the temperature of the grooves of the extrusion wheel is controlled and softening of the high-temperature areas of the grooves of the extrusion wheel slows down, and the stress value of a dangerous damage point of the extrusion wheel is reduced; and the rotating speed of the extrusion wheel can be increased, the production efficiency is remarkably improved, the service life of the extrusion wheel and a cavity is remarkably prolonged, and the equipment operation cost is reduced.

Description

technical field [0001] The invention relates to the technical field of continuous extrusion and continuous coating of non-ferrous metals such as copper and aluminum, in particular to an extrusion wheel of a continuous extrusion machine. Background technique [0002] At present, in the continuous extrusion and continuous coating of copper, aluminum and other non-ferrous metals and cable manufacturing in the wire and cable industry, the continuous extrusion machine is mainly used for continuous extrusion and continuous coating of copper, aluminum and alloy metals, and is also used for Wire and cable manufacturing for the wire and cable industry. The working principle of the continuous extrusion machine is: the extrusion wheel is rotated by the motor, and the billet enters the wheel groove of the extrusion wheel. In the arc-shaped extrusion chamber, under the action of high pressure and high temperature generated by friction, the copper and aluminum rod blanks are extruded thr...

Claims

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Application Information

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IPC IPC(8): B21C23/21B21C25/00
Inventor 刘元文闫志勇韩景全
Owner 大连康丰科技有限公司