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Two-way pressing hydraulic press

A two-way pressing and hydraulic press technology, applied in the field of two-way pressing hydraulic presses, can solve problems such as high defective rate and uneven product density, and achieve the effects of intact product quality, improved production efficiency and product qualification rate, and improved work efficiency and product quality

Active Publication Date: 2014-10-22
无锡蓝力智能装备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a two-way pressing hydraulic press, which can effectively solve the problems of uneven product density and high defective rate caused by traditional one-way pressing

Method used

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  • Two-way pressing hydraulic press

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Embodiment Construction

[0012] Such as figure 1 As shown, a specific embodiment of the present invention is provided. In the figure, an upper displacement sensor 1 and a lower displacement sensor 4 are respectively installed on the upper hydraulic cylinder 2 and the lower hydraulic cylinder 3, and an upper pressure sensor 8 and a lower pressure sensor 8 are installed. The sensor 5, the upper and lower hydraulic cylinders are all connected with the gear type synchronous shunt motor 7, and the reversing valve 6 is installed on the motor output oil road, the displacement sensors 1, 4, the lower and upper pressure sensors 5, 8 and the gear type The synchronous shunt motors 7 are all connected with the control system. The three reversing valves 6 are connected in parallel with the gear type synchronous shunt motor 7 and are connected with the upper and lower hydraulic cylinders 2 and 3 .

[0013] Before the pressing slider of the hydraulic cylinder touches the powder material, the hydraulic cylinder is c...

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Abstract

The invention provides a dual-direction pressing hydraulic machine. The machine comprises an upper hydraulic cylinder and a lower hydraulic cylinder which are at the same tonnage, built-in upper and lower displacement sensors, and upper and lower pressure sensors which are connected with the upper hydraulic cylinder, the lower hydraulic cylinder and a control system, wherein the upper hydraulic cylinder and the lower hydraulic cylinder are both connected with and controlled by a gear type synchronous diverter motor. The dual-direction pressing hydraulic machine realizes the effect of dual-direction synchronous pressing and achieves perfect product quality, cannot generate adverse influence on the whole system, and improves the production efficiency and the product qualification rate.

Description

technical field [0001] The invention relates to a two-way pressing hydraulic machine. Background technique [0002] Powder metallurgy usually uses a four-column hydraulic press for one-way pressing, but due to the limitation of the thickness of the press, the density of the finished product is generally uneven, resulting in a high scrap rate of the finished product. In order to ensure the density of the product, some manufacturers press one side and then press the product. Turn it over and press the other side. This method is undoubtedly very low in production efficiency, and some powder metallurgy products have chips in the middle. In this way, even if they are turned over and then pressed, the position of the chip is difficult to ensure, so it is difficult to ensure the product. quality. Utility model content [0003] The invention provides a two-way pressing hydraulic press, which can effectively solve the problems of uneven product density and high defective rate caus...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/04
Inventor 胡杰刘如红
Owner 无锡蓝力智能装备有限公司