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Fast die closingoil cylinder used for high-speed die-casting machine

A mold-clamping oil cylinder and mold-clamping cylinder technology, applied in mechanical equipment, engine components, fluid pressure actuating devices, etc., can solve the problems of wasting mold-clamping time, large clamping force, etc., and achieve the effect of increasing mold-clamping speed

Inactive Publication Date: 2014-12-10
江苏佳晨华科机械技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the die-casting machine only needs a large clamping force in the last stroke of the cylinder stroke, if the cylinder with a large inner diameter is used for the entire stroke, it will waste the mold clamping time

Method used

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  • Fast die closingoil cylinder used for high-speed die-casting machine
  • Fast die closingoil cylinder used for high-speed die-casting machine
  • Fast die closingoil cylinder used for high-speed die-casting machine

Examples

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] Such as figure 2 Shown: a fast mold clamping cylinder for high-speed die-casting machines, including mold clamping cylinder rear cover 1, mold clamping cylinder barrel 2, mold clamping cylinder front cover 3, mold clamping cylinder piston 4, mold clamping cylinder piston rod 5 And the oil inlet hole 6 that is respectively arranged on the back cover 1 of the clamping cylinder and the oil return hole 7 on the front cover 3 of the clamping cylinder are provided with a tee at the oil inlet 6, and the valve of the three way is connected with the back cover of the clamping cylinder respectively. 1, the main oil circuit of the hydraulic system and the pipeline of the fuel tank 15 are connected, and the main oil circuit of the hydraulic system and the pipeline of the fuel tank 15 are respectively provided with an electro-hydraulic reversing valve 16E an...

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PUM

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Abstract

The invention discloses a fast die closing oil cylinder used for a high-speed die-casting machine. The fast die closing oil cylinder comprises a die closing cylinder rear cover (1), a die closing cylinder barrel (2), a die closing cylinder front cover (3), a die closing cylinder piston (4), a die closing cylinder piston rod (5), an oil supply hole (6) and an oil return hole (7), wherein the die closing cylinder piston rod (5) is internally provided with a cavity (9) used for a fast piston rod (8) to insert, the fast piston rod (8) is internally provided with a through hole (10) arranged along the axial direction, and the other end of the fast piston rod (8) sequentially penetrates through the die closing cylinder piston (4) and the die closing cylinder rear cover (1) so as to enable the through hole (10) to be communicated with a main oil path of a hydraulic system, so that the hydraulic system can push the die closing cylinder piston rod (5) to move forward by supplying oil into the cavity (9) through the through hole (10). The fast piston rod is arranged in the die closing cylinder piston rod, so that the die closing speed is improved by more than 60 percent, and meanwhile, the die opening speed is improved by increasing the diameter of the die closing cylinder piston rod.

Description

technical field [0001] The invention relates to the technical field of oil cylinders, in particular to a fast mold-closing oil cylinder for high-speed die-casting machines with fast mold-closing speed and high mold-opening efficiency. Background technique [0002] Nowadays, die-casting machines all use ordinary oil cylinders. The structure of this type of oil cylinder is as follows: figure 1 As shown, its components include mold clamping cylinder back cover 1, mold clamping cylinder barrel 2, mold clamping cylinder front cover 3, mold clamping cylinder piston 4 and mold clamping cylinder piston rod 5, and the two ends of mold clamping cylinder cylinder 2 are respectively fixed At the mold clamping cylinder rear cover 1 and the mold clamping cylinder front cover 3, the mold clamping cylinder piston 4 is arranged in the mold clamping cylinder barrel 2 and the fixed end of one end of the mold clamping cylinder piston rod 5 is arranged on the mold clamping cylinder piston 4, in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/14F16J7/00
Inventor 凌立亮
Owner 江苏佳晨华科机械技术研究院有限公司
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