Continuously extruding method and extruding device of non-radial feeding

An extrusion method and technology of extrusion equipment, which are applied in the field of continuous extrusion with non-radial feed, can solve the problems of improper control, limited production efficiency, failure of extrusion tools, etc., so as to improve service life and improve production efficiency. , good effect of metallographic organization

Active Publication Date: 2013-05-22
大连康丰科技有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] At present, due to the limitations of the working temperature and strength of the extrusion wheel, the block, and the cavity material, when extruding non-ferrous metals such as copper and copper alloys, the extrusion tool must be strictly controlled by controlling the rotation speed of the extrusion wheel. Otherwise, it will cause premature failure of the extrusion tool, which limits the productio

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  • Continuously extruding method and extruding device of non-radial feeding
  • Continuously extruding method and extruding device of non-radial feeding
  • Continuously extruding method and extruding device of non-radial feeding

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Embodiment Construction

[0028] Such as figure 1 , figure 2 and image 3 As shown, the continuous extrusion method of non-radial feeding, the rotary extrusion wheel 1 has a groove 2 in the circumferential direction, and the billet 3 is pressed down by the compacting wheel 4, and between the billet 3 and the groove 2 of the extrusion wheel Driven by the frictional force, the billet 3 enters the extrusion tool 5, and when the billet 3 advances to the block 6, it enters the feed port 7 of the extrusion tool. There is a metal forming cavity 8 at the end of the feed port 7. A mold 9 is installed at the end of the metal cavity 8, and the product 10 is extruded through the mold 9 and rapidly cooled by a jet cooling device 11. figure 2 Among them, point A is the intersection point between the center line of the feed inlet and the extrusion wheel surface on the wheel surface, line B is the tangent line of the extrusion wheel surface passing through point A, and the β angle is the center line of the feed in...

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Abstract

The invention discloses a continuously extruding method of non-radial feeding, comprising the steps of a, depressing the blank by a compaction wheel and enabling the blank to enter into an extruding tool due to the friction force generated by rotating the groove of an extruding wheel and the blank; b, enabling the blank to enter into the feed port of an extruding tool after the blank advances to a stop block, wherein the center line of the feed port of the extruding frock is at the chord direction of the extruding wheel; c, extruding the product from the die and fast cooling the product through a jet cooling device by arranging a metal molding cavity at the tail end of the feed port of the extruding tool and arranging a die at the tail end of the metal molding cavity. Different from the continuous channel corner extrusion, in the whole working process of which the geometrical shape of the blank basically remains the same, the continuously extruding method and extruding device of non-radial feeding disclosed by the invention aim at obtaining high-performance materials of fine grain tissue finally by shear deformation.

Description

technical field [0001] The invention relates to a non-radial feeding continuous extrusion method. Background technique [0002] The feed port on the extrusion tooling of traditional continuous extrusion equipment is in the radial direction of the extrusion wheel. Sometimes in order to improve the strength of the block, the direction of the feed port will be offset by a certain angle, and the centerline of the cavity feed port and the extrusion wheel The angle β between the tangent of the pressure roller at this point is 90° or an acute angle less than 90°. This has the advantage that the force of the block is good and can improve the service life of the block. The disadvantage is that the temperature of the block is high. , high extrusion force. [0003] The continuous equal-channel angular extrusion is a combination of continuous extrusion and equal-channel angular extrusion, and a rotating extrusion wheel is used to realize the equal-channel angular extrusion. The charac...

Claims

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Application Information

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IPC IPC(8): B21C23/00B21C23/21
Inventor 刘元文宋宝韫
Owner 大连康丰科技有限公司
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