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1,500 KN magnetic material wet type forming hydraulic machine and hydraulic forming process

A technology of wet forming and magnetic materials, applied in the direction of forming indenter, magnetic film to substrate, etc., can solve problems such as uneven magnetization, weak magnetism, instability, etc., achieve low labor cost, enhanced magnetic field strength, The effect of guaranteed concentration

Pending Publication Date: 2019-08-30
MAANSHAN QILI ELECTRICAL & MECHANICAL EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of uneven magnetization, weak and unstable magnetization in products pressed by the wet-type magnetic forming hydraulic press in the prior art, the present invention provides a 1500KN magnetic material wet-forming hydraulic press and a hydraulic forming process. It can form a magnetic conduction circuit, so that the magnetic consistency of the ferrite slurry is high, and the ferrite workpiece formed by pressing has uniform magnetic properties and good stability; combined with mold clamping→filling→compression and magnetization→demagnetization and compression→pressure holding →The hydroforming process of pressure relief→cavity exit→part extraction can produce products with uniform and stable magnetic properties, and the product has high mechanical properties and consistency; in addition, due to the addition of demagnetization, pressure relief, cavity exit, and part extraction, etc. , which greatly shortens the pick-up time, greatly improves the production efficiency and reduces the production cost

Method used

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  • 1,500 KN magnetic material wet type forming hydraulic machine and hydraulic forming process
  • 1,500 KN magnetic material wet type forming hydraulic machine and hydraulic forming process
  • 1,500 KN magnetic material wet type forming hydraulic machine and hydraulic forming process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A 1500KN magnetic material wet forming hydraulic press, such as figure 1 As shown in , it includes a hydraulic machine body 1, and the hydraulic machine body 1 includes an upper workbench 12 and a lower workbench 11 co-located up and down, connected and supported by a magnetically conductive Column 13, the lower mold part 14 installed on the lower workbench 11, and the upper mold part 15 installed on the upper workbench 12; in the present embodiment, the number of the magnetic conduction columns 13 is four , distributed at the four corners of the upper workbench 12 and the lower workbench 11.

[0048] Such as figure 1 As shown in , the upper mold part 15 includes an upper slider 152 driven to slide up and down, a charging and demagnetizing device 153 fixed at the lower end of the upper slider 152, and an upper mold fixed at the lower end of the charging and demagnetizing device 153 154; an upper oil cylinder 151 is installed on the upper workbench 12, and the upper oi...

Embodiment 2

[0055] The 1500KN magnetic material wet forming hydraulic press in the present embodiment, on the basis of embodiment 1, as figure 1 As shown in , it also includes a feeding system 2, the feeding system 2 includes a pushing device 22 and a material storage cylinder 23, the pushing device 22 is arranged on the upper end of the material storage cylinder 23, and the material storage cylinder 23 It communicates with the lower mold 143 through a high-pressure injection hose 24 . In this embodiment, the material pushing device 22 is a material pushing oil cylinder, the piston rod of which extends into the material storage cylinder 23 to slide and seal with the inner wall of the material storage cylinder 23 .

[0056] When it is necessary to inject ferrite slurry into the lower mold cavity 1431, the ferrite slurry in the material storage cylinder 23 is first filled, and then the pushing device 22 is started, and the ferrite slurry in the material storage cylinder 23 Push and inject ...

Embodiment 3

[0061] 1500KN magnetic material wet forming hydraulic press in the present embodiment, on the basis of embodiment 1 and 2, such as figure 2 As shown in , it also includes a mobile pick-up device 3, the mobile pick-up device 3 includes a horizontal horizontal slide rail 31 fixed on the front side of the upper worktable 12, and a sliding bracket that is slidably connected to the horizontal horizontal slide rail 31 32, the longitudinal horizontal slide rail 33 fixed on the lower side of the sliding support 32, the vertical support 34 whose upper end is slidably connected to the longitudinal horizontal slide rail 33, and the suction cup pick-up device fixed at the lower end of the vertical support 34 35; The lower end of the sucker pick-up device 35 has several pick-up suckers 351 regularly arranged.

[0062] In this embodiment, the sliding bracket 32 ​​is in transmission connection with the first driving device 320 arranged on the horizontal horizontal slide rail 31, and the fir...

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Abstract

The invention discloses a 1,500 KN magnetic material wet type forming hydraulic machine and a hydraulic forming process, and relates to the technical field of magnetic product production. The 1,500 KNmagnetic material wet type forming hydraulic machine comprises a hydraulic machine body. The hydraulic machine body comprises an upper workbench, a lower workbench, magnetism conducting vertical columns, a lower die part and an upper die part. The upper die part comprises an upper sliding block driven to slide up and down, a magnetizing and demagnetizing device fixed to the lower end of the uppersliding block, and an upper die fixed to the lower end of the magnetizing and demagnetizing device. The upper sliding block is slidingly connected with the magnetism conducting vertical columns on the periphery. The lower die part comprises a lower die support fixed to the lower workbench, a lower die fixed to the lower die support, and a lower sliding block arranged below the lower die and driven to slide up and down. The lower sliding block is slidingly connected with the lower die support, and the lower die support is connected with the magnetism conducting vertical columns on the periphery. A magnetism conducting circuit can be formed during magnetizing, and produced workpieces have good magnetism uniformity and stability; and in combination with the special hydraulic forming process,the produced products have uniform and stable magnetism and high mechanical performance and consistency.

Description

technical field [0001] The invention relates to the technical field of magnetic product production, in particular to a 1500KN magnetic material wet forming hydraulic press and a hydraulic forming process. Background technique [0002] In the micro power motors used in today's industrial equipment, automobiles, health care, household appliances, etc., magnetic products made of ferrite magnetic materials are more and more widely used. With the rapid development of modern technology, in the actual supporting use of magnetic products , the requirements are getting higher and higher, the volume requirements are getting smaller and smaller, but the magnetic performance and durability need to be stronger and stronger. In order to meet the rising technological requirements, it is imperative to improve and innovate the molding process of magnetic products. [0003] At present, the widely used magnetic material wet forming hydraulic press simply uses a 6KVA magnetizing transformer wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B3/06H01F41/14
CPCB28B3/06H01F41/14
Inventor 罗晓峰汪城王国华杨俊王文杰
Owner MAANSHAN QILI ELECTRICAL & MECHANICAL EQUIP CO LTD
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