Laser thermo-assisted metal/thermoplastic friction thermo-compression connecting device and method

A thermoplastic and auxiliary metal technology, which is applied in the new field of thin plate material connection, can solve the problems of low connection strength, pores, and increase the weight of structural parts, etc., and achieve the effect of improving connection efficiency, simple connection process, and improving punch life

Inactive Publication Date: 2019-07-30
LONGYAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among the commonly used connection methods at present, when mechanical connection methods (such as riveting, bolt connection, etc.) are used, on the one hand, the existence of the connecting parts increases the weight of the structural parts, which is not conducive to light weight; on the other hand, the mechanical connection needs to make holes. The existence of holes will destroy the continuity of the structure, easily cause damage to the connection area, and it is also difficult to meet the structural sealing requirements
Gluing is easy to cause volatile environmental pollution and affect the physical and mental health of operators
Although the laser connection is fast, it is easy to cause problems such as interlayer ablation, porosity, and low connection strength; when

Method used

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  • Laser thermo-assisted metal/thermoplastic friction thermo-compression connecting device and method

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Embodiment Construction

[0025] Such as figure 1 As shown, the device for laser heat-assisted metal / thermoplastic frictional thermocompression connection of the present invention includes a workbench, a laser heater, a rotary punch and a computer control system,

[0026] The thin metal plate and the thermoplastic plate are fixed on the workbench through fixtures from top to bottom; the rotary punch is connected to the spindle of the machine tool, and the laser heater is placed in front of the rotary punch and kept at the same speed and direction as the rotary punch sports;

[0027] The laser heater and the rotary punch are respectively electrically connected to a computer control system.

[0028] The line connecting the center of the light spot of the laser heater and the center of motion of the rotary punch is parallel to the edge of the workbench.

[0029] The machine tool spindle is an electric spindle.

[0030] The connection method of the present invention comprises the following steps:

[00...

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Abstract

The invention discloses a laser thermo-assisted metal/thermoplastic friction thermo-compression connecting device and method. The device comprises a worktable, a laser heater, a rotary punching head and a computer control system; a metal sheet and thermoplastic are fixed to the worktable through a clamp from top to bottom; the rotary punching head is connected with a main shaft of a machine tool;the laser heater is placed in front of the rotary punching head and is kept moving in the same direction and at the same speed as the rotary punching head; and the laser heater and the rotary punchinghead are separately and electrically connected with the computer control system. According to the device and the method, the connecting process is simple; other connecting media are not required; andhigh-efficiency connecting of the metal sheet and the thermoplastic can be realized.

Description

technical field [0001] The invention relates to the new technical field of thin plate material connection, in particular to a device and method for laser thermally assisted metal / thermoplastic frictional heat-compression connection. Background technique [0002] With the increasing requirements for energy saving and emission reduction, the use of "plastic strip steel" has become the only way to reduce the weight of the structure. For example, fiber reinforced composite materials are more and more widely used in the field of engineering manufacturing due to their excellent material properties. . As a result, a large number of heterogeneous laminated composite structures of metal / thermoplastic plastic plates appear in mechanical structural parts. In the design process of this type of structure, it is the key to realize the reliable connection between the two. Among the commonly used connection methods at present, when mechanical connection methods (such as riveting, bolt con...

Claims

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Application Information

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IPC IPC(8): B29C65/06B29C65/16B29C65/44
CPCB29C65/06B29C65/16B29C65/44
Inventor 李健董莉郭薇林靖雯何子龙
Owner LONGYAN UNIV
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