Temperature control equipment for laser surface heat treatment

Abstract

The utility model discloses temperature control equipment for laser surface heat treatment, which belongs to the field of heat treatment, comprises a laser emitter, a heat recovery tank, a transmission plate, a heat release tank and an air duct, and is characterized in that the heat recovery tank is used for recovering heat generated when the laser emitter emits laser, and the transmission plate is used for transmitting the heat to the air duct. Heat is transmitted into the heat release tank through the transmission plate, the electric fan blows hot air in the heat release tank into the air guide barrel, then hot air preheating is conducted on the position, needing laser machining, of the workpiece, the surface temperature of laser machining of the workpiece is controlled, energy possibly wasted originally is effectively utilized, energy loss is reduced, and the temperature gradient is reduced. The initial temperature of the workpiece during laser processing is increased through preheating, the temperature gradient generated by laser heating can be further reduced, the thermal stress and the deformation risk are reduced, more uniform tissue and performance can be obtained, and the stability of the processing quality is improved.

Description

Technical Field

[0001] The utility model relates to the field of heat treatment, and more specifically to a laser surface heat treatment temperature control device. Background Art

[0002] Laser processing uses the energy of light to reach a very high energy density at the focal point after being focused by a lens, and relies on the photothermal effect for processing. Laser processing does not require tools, has a fast processing speed, and has small surface deformation. It can process various materials and use laser beams to perform various processing on materials, such as drilling, cutting, scribing, welding, and heat treatment.

[0003] Chinese patent application number: CN202220876940.7, provides a laser processing platform. This solution sets an adjustable rotating device so that during the processing, the object can be rotated vertically while achieving horizontal rotation, and different sides of the object can be processed, making the device more convenient to use and improving work efficiency.

[0004] However, direct laser processing of the workpiece may result in a larger heat-affected zone, which will affect the material properties of the workpiece adjacent to the processing area, such as changes in microstructure and reduced hardness, which may easily generate larger thermal stresses and be unfavorable for the processing of the workpiece. Therefore, a laser surface heat treatment temperature control device is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a laser surface heat treatment temperature control device, which recovers the heat from the laser emitter when emitting a laser through a heat recovery tank, and conducts the heat to the heat release tank through a transmission plate. The electric fan blows the hot air inside the heat release tank into the air guide tube, and then preheats the position of the workpiece that needs laser processing with hot air, controls the surface temperature of the workpiece during laser processing, effectively utilizes energy that might have been wasted, reduces energy loss, reduces temperature gradients, and preheats the workpiece to increase its initial temperature during laser processing, which can further reduce the temperature gradient caused by laser heating, reduce thermal stress and deformation risks, and help obtain more uniform structure and performance, and improve the stability of processing quality.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A laser surface heat treatment temperature control device comprises a laser transmitter, a heat recovery tank, a transmission plate, a heat release tank and an air duct, wherein the heat recovery tank is installed at the bottom end of the laser transmitter, the transmission plate is installed at the right end of the heat recovery tank, the heat release tank is installed at the right end of the transmission plate, an electric fan is installed inside the heat release tank, the air duct is installed at the bottom end of the heat release tank and is located below the electric fan, and the air duct is adapted to the electric fan;

[0008] The heat generated by the laser emitter when emitting a laser is recovered through a heat recovery tank, and the heat is conducted to the heat release tank through a transmission plate. The electric fan blows the hot air inside the heat release tank into the air guide tube, and then the position of the workpiece that needs laser processing is preheated with hot air, thereby controlling the surface temperature of the workpiece during laser processing, effectively utilizing energy that might otherwise be wasted, reducing energy loss, and reducing temperature gradients. Preheating increases the initial temperature of the workpiece during laser processing, which can further reduce the temperature gradient caused by laser heating, reduce thermal stress and deformation risks, and help obtain more uniform structure and performance, thereby improving the stability of processing quality.

[0009] Reference Figure 2 As shown, the bottom end of the heat recovery tank is fixedly connected with a tip, and the tip is adapted to the laser emitter;

[0010] The aiming head is aligned with the processing position of the workpiece, so that the laser emitted by the laser transmitter can be aligned with the processing position of the workpiece.

[0011] Reference Figure 3 As shown, the heat recovery tank comprises a tank body, and a heat absorbing plate is fixedly connected to the inner wall of the tank body;

[0012] The tank body is used to prevent the laser energy from being dissipated, and the heat absorbing plate is used to absorb the excess heat of the laser and recover the heat.

[0013] Reference Figure 4 As shown, the heat release tank comprises a sealed tank, a heat transfer plate is installed inside the sealed tank, and the heat transfer plate is adapted to the electric fan.

[0014] Reference Figure 2 As shown, the transmission plate includes a heat preservation plate, the interior of the heat preservation plate is fixedly connected with a heat conducting plate, and the heat conducting plate runs through the left and right ends of the heat preservation plate.

[0015] The left end of the heat conducting plate passes through the right end of the tank body and is fixedly connected to the heat absorbing plate.

[0016] The right end of the heat conducting plate passes through the left end of the sealing tank and is fixedly connected to the heat transfer plate;

[0017] The heat of the heat conducting plate is conducted through the heat transfer plate, so that the heat is dissipated in the sealed tank, and then the hot air in the sealed tank is blown into the air guide tube through the electric fan, so as to preheat the position of the workpiece that needs laser processing with hot air, and control the surface temperature of the workpiece during laser processing.

[0018] In summary, the utility model has the following beneficial effects:

[0019] (1) In this scheme, the heat recovery tank recovers the heat generated by the laser emitter when it emits a laser, and conducts the heat to the heat release tank through the transmission plate. The electric fan blows the hot air inside the heat release tank into the air duct, and then preheats the position of the workpiece that needs laser processing with hot air, controls the surface temperature of the workpiece during laser processing, effectively utilizes energy that might have been wasted, reduces energy loss, and reduces temperature gradients. Preheating increases the initial temperature of the workpiece during laser processing, which can further reduce the temperature gradient caused by laser heating, reduce thermal stress and deformation risks, and help obtain more uniform structure and performance, thereby improving the stability of processing quality.

[0020] (2) In this scheme, the heat transfer plate conducts the heat of the heat conductive plate so that the heat is dissipated in the sealed tank, and then the hot air in the sealed tank is blown into the air guide tube through an electric fan, thereby preheating the position of the workpiece that needs laser processing with hot air, thereby controlling the surface temperature of the workpiece during laser processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the overall three-dimensional structure of this embodiment;

[0022] Figure 2 Schematic diagram of the structure cut in this embodiment;

[0023] Figure 3 : is a schematic diagram of the structure of the heat recovery tank split in this embodiment;

[0024] Figure 4 It is a schematic diagram of the structure of the heat release tank split in this embodiment.

[0025] In the figure, 1. laser transmitter; 2. heat recovery tank; 3. aiming head; 4. transmission plate; 5. heat release tank; 6. electric fan; 7. air guide tube; 201. tank body; 202. heat absorption plate; 401. heat preservation plate; 402. heat conduction plate; 501. sealing tank; 502. heat transfer plate. DETAILED DESCRIPTION

[0026] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0027] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0028] Reference Figure 1-Figure 2As shown, a laser surface heat treatment temperature control device in a preferred embodiment of the utility model comprises a laser emitter 1, a heat recovery tank 2, a transmission plate 4, a heat release tank 5 and an air duct 7, wherein the heat recovery tank 2 is mounted at the bottom end of the laser emitter 1, the transmission plate 4 is mounted at the right end of the heat recovery tank 2, the heat release tank 5 is mounted at the right end of the transmission plate 4, an electric fan 6 is mounted inside the heat release tank 5, the air duct 7 is mounted at the bottom end of the heat release tank 5 and is located below the electric fan 6, and the air duct 7 is adapted to the electric fan 6;

[0029] The heat generated by the laser emitter 1 when emitting a laser is recovered through the heat recovery tank 2, and the heat is conducted to the heat release tank 5 through the transmission plate 4. The electric fan 6 blows the hot air inside the heat release tank 5 into the air guide tube 7, and then the position of the workpiece that needs laser processing is preheated with hot air, the surface temperature of the workpiece laser processing is controlled, the energy that might otherwise be wasted is effectively utilized, energy loss is reduced, the temperature gradient is reduced, and the preheating increases the initial temperature of the workpiece during laser processing, which can further reduce the temperature gradient caused by laser heating, reduce thermal stress and deformation risks, help obtain more uniform structure and performance, and improve the stability of processing quality.

[0030] Reference Figure 2 As shown, the bottom end of the heat recovery tank 2 is fixedly connected with a tip 3, and the tip 3 is adapted to the laser emitter 1;

[0031] The aiming head 3 is aligned with the processing position of the workpiece, so that the laser emitted by the laser emitter 1 can be aligned with the processing position of the workpiece.

[0032] Reference Figure 3 As shown, the heat recovery tank 2 includes a tank body 201, and a heat absorbing plate 202 is fixedly connected to the inner wall of the tank body 201;

[0033] The tank body 201 prevents the laser energy from being emitted, and the heat absorbing plate 202 is used to absorb the excess heat of the laser and recover the heat.

[0034] Reference Figure 4 As shown, the heat release tank 5 includes a sealed tank 501 , and a heat transfer plate 502 is installed inside the sealed tank 501 , and the heat transfer plate 502 is adapted to the electric fan 6 .

[0035] Reference Figure 2 As shown, the transmission plate 4 includes a heat preservation plate 401 , and a heat conduction plate 402 is fixedly connected to the interior of the heat preservation plate 401 , and the heat conduction plate 402 runs through the left and right ends of the heat preservation plate 401 .

[0036] The left end of the heat conducting plate 402 passes through the right end of the tank body 201 and is fixedly connected to the heat absorbing plate 202 .

[0037] The right end of the heat conducting plate 402 passes through the left end of the sealing tank 501 and is fixedly connected to the heat transfer plate 502;

[0038] The heat of the heat conducting plate 402 is conducted through the heat transfer plate 502 so that the heat is dissipated in the sealed tank 501, and then the hot air in the sealed tank 501 is blown into the air guide tube 7 through the electric fan 6, thereby preheating the position of the workpiece that needs laser processing with hot air, thereby controlling the surface temperature of the workpiece during laser processing.

[0039] Specific implementation process: First, turn on the light emitter 1, the laser light path passes through the tank body 201, the heat absorbing plate 202 absorbs the excess heat of the laser, the heat conducting plate 402 conducts the heat of the heat absorbing plate 202, and the heat transfer plate 502 conducts the heat of the heat conducting plate 402, so that the heat is dissipated in the sealed tank 501, and then the hot air in the sealed tank 501 is blown into the air guide tube 7 through the electric fan 6, and then the position of the workpiece that needs laser processing is preheated with hot air, and the surface temperature of the workpiece laser processing is controlled. Preheating increases the initial temperature of the workpiece during laser processing, which can further reduce the temperature gradient caused by laser heating, reduce thermal stress and deformation risks, and help to obtain more uniform structure and performance, and improve the stability of processing quality.

[0040] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A laser surface heat treatment temperature control device, comprising a laser transmitter (1), a heat recovery tank (2), a transmission plate (4), a heat release tank (5) and an air guide tube (7), characterized in that: The heat recovery tank (2) is installed at the bottom end of the laser emitter (1), the transmission plate (4) is installed at the right end of the heat recovery tank (2), the heat release tank (5) is installed at the right end of the transmission plate (4), an electric fan (6) is installed inside the heat release tank (5), the air guide tube (7) is installed at the bottom end of the heat release tank (5) and is located below the electric fan (6), and the air guide tube (7) is compatible with the electric fan (6).

2. The laser surface heat treatment temperature control device according to claim 1, characterized in that: The bottom end of the heat recovery tank (2) is fixedly connected with a tip (3), and the tip (3) is adapted to the laser emitter (1).

3. The laser surface heat treatment temperature control device according to claim 2, characterized in that: The heat recovery tank (2) comprises a tank body (201), and a heat absorbing plate (202) is fixedly connected to the inner wall of the tank body (201).

4. The laser surface heat treatment temperature control device according to claim 1, characterized in that: The heat release tank (5) comprises a sealed tank (501), a heat transfer plate (502) is installed inside the sealed tank (501), and the heat transfer plate (502) is compatible with the electric fan (6).

5. The laser surface heat treatment temperature control device according to claim 1, characterized in that: The transmission plate (4) comprises a heat preservation plate (401), the interior of the heat preservation plate (401) is fixedly connected with a heat conduction plate (402), and the heat conduction plate (402) runs through the left and right ends of the heat preservation plate (401).

6. The laser surface heat treatment temperature control device according to claim 5, characterized in that: The left end of the heat conducting plate (402) passes through the right end of the tank body (201) and is fixedly connected to the heat absorbing plate (202).

7. The laser surface heat treatment temperature control device according to claim 5, characterized in that: The right end of the heat conducting plate (402) passes through the left end of the sealing tank (501) and is fixedly connected to the heat transfer plate (502).

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