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Metal surface imprint forming device with direct local resistance heating

A local heating and metal surface technology, which is applied in the field of metal processing, can solve the problems of large energy consumption, low efficiency, and large strain area in workpiece processing, and achieve the effects of low energy consumption, high efficiency, and small processing strain area

Inactive Publication Date: 2010-08-04
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this technology is that the overall heating method is used, the energy consumption is large, the efficiency is low, and the processing strain area of ​​the workpiece is large.

Method used

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  • Metal surface imprint forming device with direct local resistance heating
  • Metal surface imprint forming device with direct local resistance heating
  • Metal surface imprint forming device with direct local resistance heating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 As shown, this embodiment includes: a power supply 1, a first electrode 2A, a second electrode 2B, an actuator 3 and a planar imprinting mold 5, a control system 6, a first sensor 6A, a second sensor 6B and a third sensor 6C , wherein: the power supply 1 is respectively connected to the first electrode 2A and the second electrode 2B to transmit current, the first electrode 2A is connected to the plane imprinting mold 5 to transmit current, the second electrode 2B is connected to the workpiece 4 to transmit current, and the plane The imprinting mold 5 is located directly above the workpiece 4, the actuator 3 is located directly above the plane imprinting mold 5 and is bolted to the plane imprinting mold 5 to transmit the pressure required for imprinting, the first sensor 6A and the first electrode 2A connected to transmit the temperature information of the first electrode 2A, the second sensor 6B is connected to the workpiece 4 to transmit the temperatur...

Embodiment 2

[0033] Such as figure 2 As shown, the difference between this embodiment and Embodiment 1 is that the connection mode of the first sensor 6A and the second sensor 6B of the actuator 3 is different, wherein: the workpiece 4 is located directly above the planar imprinting mold 5, and the second electrode 2B It is located directly above the workpiece 4 and is in contact with the workpiece 4 to transmit current. The actuator 3 is located directly above the second electrode 2B and is bolted to the second electrode 2B to transmit the pressure required for imprinting. The first sensor 6A is in contact with the plane press. The stamping mold 5 is connected to transmit the temperature information of the planar imprinting mold 5, the second sensor 6B is located on the second electrode 2B and connected to the second electrode 2B to transmit the temperature information of the second electrode 2B, and the third sensor 6C is connected to the actuator 3 The pressure information of the actua...

Embodiment 3

[0040] Such as image 3 As shown, the difference between this embodiment and Embodiment 2 is that the extruding device of this embodiment is a plane embossing mold 5 and a roller mold 7, and this embodiment also includes: a sliding module 8, wherein: the second electrode 2B Contacting and connecting with the roll mold 7 distributes the current on the roll mold, the second sensor 6B is connected with the roll mold 7 to transmit the temperature information of the roll mold, and the actuator 3 is bolted to the support structure of the roll mold 7 to control The movement of the vertical direction of the roll mold 7, the lower end of the roll mold 7 is in contact with the workpiece 4 to distribute the current on the workpiece 4 and make the downward force act on the workpiece 4, the sliding module 8 is located on the ground and pressed against the plane. The lower part of the imprinting mold 5 is in contact with each other so that the plane imprinting mold 5 can move horizontally. ...

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Abstract

The invention relates to a metal surface imprint forming device with direct local resistance heating, which belongs to the technical field of metal processing. The forming device comprises a power supply, a control module, two electrodes, an actuator and an extrusion device, wherein the power supply is respectively connected with the two electrodes for current transmission, the actuator is mechanically connected with the electrodes or the extrusion device, the first electrode is connected with the first extrusion device for current transmission, the second electrode is connected with a work piece or the second extrusion device for current transmission, the work piece is arranged between the second electrode and the first extrusion device or directly arranged between the first extrusion device and the second extrusion device, and the control module is connected with the power supply for transmission of control information. The invention applies the direct local resistance heating technology into the imprint process, thereby realizing the high-efficiency local heating, facilitating the miniaturization of the equipment, simplification of the structure, reduction of the energy consumption, enhancement of the efficiency, reduction of the processing strain area of the work piece and use and maintenance of the equipment. Therefore, the invention is applicable to the process of mass production.

Description

technical field [0001] The invention relates to a device in the technical field of metal processing, in particular to a metal surface embossing and forming device for direct resistance local heating. Background technique [0002] The embossing process is to press the mold on the surface of the workpiece, so that the surface of the workpiece undergoes plastic deformation to obtain the required surface structure. At room temperature, due to the high hardness of the metal, the pressure required for imprinting is high, so the scale of the imprinting equipment is large, and the wear of the mold is also large. Therefore, the method of heating and softening the metal to a state with better fluidity and then embossing is generally used, which is called hot embossing. The methods of heating metal mainly include: furnace, induction heating, and resistance heating, in which induction heating and resistance heating are divided into external heating and direct heating respectively. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P9/02
Inventor 彭林法麦建明冯力中来新民干频
Owner SHANGHAI JIAO TONG UNIV
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