CN-112731978-B - Surface heat treatment device

CN112731978BCN 112731978 BCN112731978 BCN 112731978BCN-112731978-B

Abstract

The invention discloses a surface heat treatment device, which comprises a supporting component and a plurality of reflecting mirrors. The support assembly comprises a lens seat and a workpiece fixing part, wherein the workpiece fixing part is arranged on the lens seat and used for fixing a workpiece, the reflecting mirror is arranged on the lens seat, is annular and surrounds the workpiece fixing part, and is provided with an inclined mirror surface which is annularly arranged and is inclined upwards from inside to outside so that incident light is reflected to the surface of the workpiece by the inclined mirror surface. The surface heat treatment device of the technical scheme adopts the annular reflectors to surround the workpiece layer by layer, light rays reflected by the reflectors are irradiated to the surface of the workpiece, so that the workpiece is baked, energy is saved, the environment is protected, the annular reflectors can ensure that the workpiece is heated in 360 degrees in an all-around manner, the energy density is uniform, the quality of the workpiece is improved, the energy density of reflected light irradiated to the surface of the workpiece is improved by arranging the annular reflectors, the temperature requirement of the workpiece is met, and the efficiency of surface heat treatment is improved.

Inventors

WANG HAI
LI HAOTENG
YU YANG
JIANG YAN
HUANG JIN
YAN YIBO
ZHU MINGHAN
LIU GUOPING
Feng sang

Assignees

肇庆学院
广东工业大学

Dates

Publication Date: 20260505
Application Date: 20210119

Claims (9)

1. A surface heat treatment apparatus, comprising: the support assembly comprises a lens seat and a workpiece fixing part, wherein the workpiece fixing part is arranged on the lens seat and is used for fixing a workpiece; A plurality of reflectors, wherein the reflectors are arranged on the reflector seat, are annular and surround the workpiece fixing part, the reflectors are provided with inclined mirror surfaces which are annularly arranged, the inclined mirror surfaces incline upwards from inside to outside so that incident light is reflected to the surface of the workpiece by the inclined mirror surfaces, the reflected light reflected by the inclined mirror surfaces are converged to form a focal line, and the vertical height of the bottom end of the focal line and the reflector seat is The vertical height between the top end of the focal line and the lens base is The included angle between the tilting mirror surface and the upper surface of the mirror seat is The included angle between the light reflected by the inclined mirror surface and the upper surface of the mirror seat is The vertical height between the outer side of the tilting mirror and the mirror seat is The horizontal distance between the inner side of the tilting mirror and the focal line is The width of the tilting mirror surface is , wherein, = (90°- ))/2; =(2*tan2 - )*tan *tan /(tan +tan ); = /sin ; =( /( - ))*( + /tan ); N is used to denote the inside-out nth mirror and n+1 is used to denote the inside-out nth+1 mirror.
2. A surface heat treatment apparatus according to claim 1, comprising azimuth angle adjustment means for driving the support assembly in rotation to accommodate changes in solar azimuth angle.
3. The surface heat treatment apparatus according to claim 2, further comprising a height angle adjustment means for driving the support assembly to oscillate to accommodate changes in solar height angle.
4. A surface heat treatment apparatus according to claim 3, wherein the azimuth angle adjusting means comprises an azimuth angle rotating motor, and the elevation angle adjusting means comprises an elevation angle rotating motor.
5. The surface heat treatment device according to claim 4, wherein a first bracket is arranged at the bottom of the lens holder, the first bracket is in a U shape, second brackets are arranged at two sides of the lens holder, the second brackets are fixedly connected with hinge shafts, the hinge shafts are arranged in the transverse direction, two ends of the first bracket are rotatably connected with the second brackets through the hinge shafts, the altitude angle rotating motor is mounted on the first bracket and is in transmission connection with the hinge shafts through a transmission assembly, and the output end of the azimuth angle rotating motor is connected with the first bracket.
6. The surface heat treatment apparatus according to claim 5, wherein the transmission assembly includes a first gear and a second gear engaged with each other, the first gear being connected to an output end of the elevation angle rotation motor, and the second gear being fixedly connected to the hinge shaft.
7. The surface heat treatment device according to claim 4, further comprising a first single-chip microcomputer and a second single-chip microcomputer, wherein the first single-chip microcomputer is used for controlling the rotation speed of the altitude angle rotating motor, and the second single-chip microcomputer is used for controlling the rotation speed of the azimuth angle rotating motor.
8. The surface heat treatment apparatus according to claim 1, wherein the workpiece fixing member comprises a jig having an opening for placing a workpiece.
9. The surface heat treatment apparatus according to claim 1, wherein the lens holder has a rectangular frame in which a third bracket and a fourth bracket are disposed to intersect, and the workpiece fixing member is mounted at an intersection of the third bracket and the fourth bracket.

Description

Surface heat treatment device Technical Field The invention is used in the technical field of surface heat treatment, and particularly relates to a surface heat treatment device. Background In the existing industrial system, most of the produced parts are machined by a lathe, and the parts are formed with rotary parts such as cylinders, cones and the like. To improve the mechanical properties of the material, the parts are typically surface heat treated. Because the surface heat treatment is a process with higher energy consumption, people use the solar energy focusing technology to carry out the surface heat treatment on the parts so as to reduce the energy consumption and be beneficial to environmental protection. Existing solar focusing techniques include point focusing and line focusing. The point focusing technology has small focal spot and very high energy density, and the surface of the workpiece can be directly burnt. The line focusing technology can only make one side of the workpiece light-receiving and the other side backlight, and needs to rotate the workpiece, otherwise, the heating is uneven. Disclosure of Invention The invention aims to at least solve one of the technical problems in the prior art, and provides a surface heat treatment device which can realize 360-degree omnibearing heating of a workpiece, has high and uniform energy density, improves the quality of the workpiece and the surface heat treatment efficiency, and is energy-saving and environment-friendly. The technical scheme adopted for solving the technical problems is as follows: A surface heat treatment apparatus includes The support assembly comprises a lens seat and a workpiece fixing part, wherein the workpiece fixing part is arranged on the lens seat and is used for fixing a workpiece; The reflectors are arranged on the reflector seat, are annular and surround the workpiece fixing parts, are provided with inclined mirror surfaces which are annularly arranged, and incline upwards from inside to outside along the inclined mirror surfaces so that incident light rays are reflected to the surface of the workpiece by the inclined mirror surfaces. In combination with the above implementation manner, in some implementations of the present invention, the reflected light rays reflected by the tilting mirror surface are converged to form a focal line, the vertical height between the bottom end of the focal line and the mirror base is f 1, the vertical height between the top end of the focal line and the mirror base is f 2, the included angle between the tilting mirror surface and the upper surface of the mirror base is α n, the included angle between the light rays reflected by the tilting mirror surface and the upper surface of the mirror base is β n, the vertical height between the outer side of the tilting mirror surface and the mirror base is X n, the horizontal distance between the inner side of the tilting mirror surface and the focal line is R n, the width of the tilting mirror surface is d n, a)αn＝(90°-βn))/2; b)Xn＝(2*tan2αn-Rn)*tanαn*tanβn/(tanαn+tanβn); c)dn＝Xn/sinαn; d)Rn+1＝(f1/(f1-Xn))*(Rn+Xn/tanαn); N is used to denote the inside-out nth mirror and n+1 is used to denote the inside-out nth+1 mirror. In combination with the above embodiments, in some embodiments of the invention, an azimuth adjustment device is included, the azimuth adjustment device being configured to drive the support assembly to rotate to accommodate changes in solar azimuth. In combination with the above implementation manner, in some implementation manners of the present invention, the solar energy storage device further comprises a height angle adjusting device, wherein the height angle adjusting device is used for driving the support assembly to swing so as to adapt to the change of the solar height angle. In combination with the above implementation, in some implementations of the invention, the azimuth adjustment device includes an azimuth rotary motor, and the altitude adjustment device includes an altitude rotary motor. In combination with the above implementation manner, in some implementation manners of the present invention, a first bracket is disposed at the bottom of the lens seat, the first bracket is U-shaped, two sides of the lens seat are respectively provided with a second bracket, the second brackets are fixedly connected with a hinge shaft, the hinge shaft is disposed along a transverse direction, two ends of the first bracket are rotatably connected with the second bracket through the hinge shaft, the altitude angle rotating motor is mounted on the first bracket and is in transmission connection with the hinge shaft through a transmission assembly, and an output end of the azimuth angle rotating motor is connected with the first bracket. In combination with the above implementation manner, in some implementation manners of the present invention, the transmission assembly includes a first gear and a second gear that are meshed, the