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In-mold shearing cylinder of aluminum extruder

A technology of aluminum extrusion and cylinder, which is applied in the direction of fluid pressure actuation device, etc., can solve the problems of difficult replacement of seals and lower work efficiency, and achieve the effect of reducing failure links and improving work efficiency

Inactive Publication Date: 2012-07-11
TAIYUAN HEAVY IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art in-mold shearing cylinder, because no water drainage and cylinder cooling measures are adopted, the oil in the shearing cylinder rises rapidly, thereby deteriorating the oil, aging and damaging the seal of the oil cylinder, and it is difficult to replace the seal, which reduces the work efficiency

Method used

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  • In-mold shearing cylinder of aluminum extruder
  • In-mold shearing cylinder of aluminum extruder
  • In-mold shearing cylinder of aluminum extruder

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Embodiment Construction

[0017] Such as figure 1 , 2 , 3, an in-mold shearing cylinder of an aluminum extrusion machine, comprising: a cylinder body 2, a piston rod 1, a detection rod 5 located at the bottom of the cylinder body 2 connected to the piston rod 1, and a matching hydraulic system , the piston rod 1 and the detection rod 5 are connected by screws through the pressure plate 4, the detection rod 5 is provided with a No. 1 channel 5-1 for hot oil circulation, and the piston rod 1 is provided with the No. 1 channel 5-1 communicates with No. 2 channel 1-1 for hot oil circulation. The hydraulic system consists of a main pump system and a circulating cooling system. The main pump system consists of a first reversing valve 6, a one-way Throttle valve 7 forms a loop with ports A and B of the cylinder body 2, and the circulating cooling system consists of a second reversing valve 8, a hose 9, a one-way valve 10, and port C of the detection rod 5. The No. 1 channel 5-1, the No. 2 channel 1-1, and t...

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Abstract

The invention discloses an in-mold shearing cylinder of an aluminum extruder, and relates to a cylinder of an aluminum extruder. The in-mold shearing cylinder solves the problems that oil is easy to deteriorate and the sealed cylinder is aged and damaged. The in-mold shearing cylinder is characterized in that: a piston rod is connected with a detection rod through a pressure plate by using screws; the detection rod is provided with a No.1 passage for hot oil circulation; the piston rod is provided with a No.2 passage which is communicated with the No.1 passage and used for hot oil circulation; a hydraulic system consists of a main pump system and a circulating cooling system; in the main pump system, a reversing valve, a one-way throttling valve and a port A and a port B of the cylinder body form a loop; in the circulating cooling system, a reversing valve, a hose, a one-way valve, a port C of the detection rod, the No.1 passage, the No.2 passage and a port B of the cylinder body forma loop; and the upper end of the cylinder body is provided with a longitudinal drainage groove. The in-mold shearing cylinder reduces the fault link of the aluminum extruder, and improves the work efficiency.

Description

technical field [0001] The invention relates to hydraulic equipment, in particular to an oil cylinder of an aluminum extrusion machine. Background technique [0002] In a large aluminum extrusion machine, the in-mold shear cylinder (that is, the in-mold shear cylinder) is used to separate the extruded product from the die. The in-mold shearing cylinder is installed on the lower guide frame of the front beam of the extruder, and above it is the die base on which the die assembly is installed. When working, the shear cylinder rises vertically and acts on the shear pad in the mold to separate the extruded product from the mold. When not working, the shearing cylinder is located under the mold base. [0003] The in-mold shearing cylinder is mainly used when the extruder breaks down and the mold is replaced, and it is not used during normal continuous production. Since the extrusion temperature of the aluminum extrusion machine is about 450°C, the extrusion speed is low, and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C23/21F15B15/08
Inventor 葛文中王书勇
Owner TAIYUAN HEAVY IND
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