Efficient heat dissipation nanosecond laser marking all-in-one machine

Abstract

The utility model discloses an efficient heat dissipation nanosecond laser marking all-in-one machine which comprises a shell, a laser device, a beam expander, a scanning galvanometer and a focusing lens are sequentially arranged on the shell, light beams generated by the laser device pass through the beam expander, pass through the scanning galvanometer and penetrate through the focusing lens to be transmitted, and a bottom heat dissipation device is fixedly installed at the bottom of the shell. A top radiator is fixedly installed at the top of the laser and communicates with the bottom radiator through a heat pipe. According to the utility model, the top radiator and the bottom radiator which are in up-down air-cooling heat dissipation are adopted for heat dissipation, a galvanometer structure and a laser light path are integrated on the same radiator structure, heat generated by the top of the laser in a concentrated manner is dissipated by the top radiator, and the rest heat is transmitted to the bottom radiator through the heat pipe; and heat generated by the scanning motor is conducted to the bottom, so that the heat of a structural system is uniformly distributed at the bottom and then dissipated through convection of external air, the overall size is reduced, the structure is stable and high in reliability, the cost is low, installation and use are convenient, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser marking technical field especially relates to a high -efficient heat dissipation nanosecond laser marking integrated machine. BACKGROUND

[0002] The basic principle of laser marking is that a high-energy continuous laser beam is generated by a laser generator, and the focused laser acts on the printing material, so that the surface material is instantaneously melted and even vaporized, and the required graphic mark is formed by controlling the path of the laser on the material surface.

[0003] The laser marking machine uses a scanning method for marking, that is, the laser beam is incident on two reflecting mirrors, and the reflecting mirrors are driven to rotate along the X and Y axes by a computer-controlled scanning motor, and the focused laser beam falls on the marked workpiece, thereby forming a trace of laser marking.

[0004] A nanosecond laser is a physical performance testing instrument for material science and mechanical engineering field with wavelengths of 1064nm, 532nm and 355nm. Nanosecond refers to the time unit of laser pulse, and under normal circumstances, laser is a single pulse energy acting on the material surface in nanoseconds.

[0005] The existing nanosecond laser needs water cooling due to the emission of a large amount of heat during work, which causes the volume to be too large and needs to be matched with a water cooling machine, so the volume is large, the cost is high, and the installation and use are not convenient. UTILITY MODEL CONTENT

[0006] In order to solve the above technical problems, the utility model designs a kind of high -efficient heat dissipation nanosecond laser marking integrated machine.

[0007] The utility model adopts the following technical scheme:

[0008] A kind of high -efficient heat dissipation nanosecond laser marking integrated machine, including shell, laser, beam expander, scanning galvanometer and focusing lens are sequentially arranged on the shell, the light beam generated by laser passes through scanning galvanometer and focuses lens transmission by beam expander, bottom radiator is fixedly installed at the bottom of the shell, top radiator is fixedly installed at the top of laser, and top radiator is communicated with bottom radiator by heat pipe.

[0009] As preferred, the scanning galvanometer is composed of galvanometer head shell, scanning motor and galvanometer piece.

[0010] As preferred, the bottom radiator and the top radiator are respectively connected by a plurality of rows of heat dissipation fins in parallel.

[0011] As preferred, the heat dissipation fin adopts heat dissipation copper sheet.

[0012] As preferred, the heat pipe adopts heat conduction copper pipe, and the top radiator is communicated with the bottom radiator by a row of heat conduction copper pipe.

[0013] Preferably, protective shells are arranged on the front and rear ends of the laser on the shell.

[0014] The utility model discloses a beneficial effect is: the utility model discloses the top radiator and bottom radiator of top and bottom air cooling heat dissipation, and the galvanometer structure and laser light path are integrated on the same radiator structure, and the overall volume reduces, and the structure is stable and reliable, and the cost is low, and the installation is convenient to use, and it is very practical. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] In the drawing: 1, the shell, 2, laser, 3, beam expander, 4, scanning motor, 5, galvanometer piece, 6, focusing lens, 7, bottom radiator, 8, top radiator, 9, heat pipe, 10, protective shell, 11, galvanometer head shell. DETAILED DESCRIPTION

[0017] The technical scheme of the utility model will be further specifically described below by specific embodiments and in conjunction with the drawings:

[0018] Embodiment: as Figure 1 The utility model discloses a kind of high-efficiency heat dissipation nanosecond laser marking integrated machines, including shell 1, laser 2, beam expander 3, scanning galvanometer and focusing lens 6 are sequentially arranged on the shell, the light beam generated by laser passes through scanning galvanometer and is transmitted through focusing lens by beam expander, bottom radiator 7 is fixedly installed at the bottom of the shell, top radiator 8 is fixedly installed at the top of laser, and top radiator is communicated with bottom radiator by heat pipe 9.

[0019] Scanning galvanometer is composed of galvanometer head shell 11, scanning motor 4 and galvanometer piece 5. Bottom radiator and top radiator are respectively connected by multiple rows of radiating fins in parallel.

[0020] Radiating fin uses radiating copper sheet. Heat pipe uses heat-conducting copper pipe, and top radiator is communicated with bottom radiator by a row of heat-conducting copper pipe. Protective shell 10 is arranged on the front and rear ends of the laser on the shell.

[0021] The utility model discloses the top radiator and bottom radiator of top and bottom air cooling heat dissipation, and the galvanometer structure and laser light path are integrated on the same radiator structure, and the heat generated by laser top is radiated by top radiator, and the rest heat is transmitted to bottom radiator by heat pipe, and the heat generated by scanning motor is also conducted to bottom, so that the heat of structure system is evenly shared in bottom, and then heat is dissipated by external air convection, and the overall volume reduces, and the structure is stable and reliable, and the cost is low, and the installation is convenient to use, and it is very practical.

[0022] The above-described embodiment is only a preferred scheme of the present application, and does not limit the present application in any form, and other variants and modifications are possible without departing from the technical scheme recited in the claims.

Claims

1. A high-efficiency heat-dissipation nanosecond laser marking all-in-one machine, comprising a shell, characterized in that, The laser, the beam expander, the scanning galvanometer and the focusing lens are sequentially arranged on the shell, the light beam generated by the laser is transmitted through the scanning galvanometer and the focusing lens by the beam expander, the bottom heat sink is fixedly installed at the bottom of the shell, the top heat sink is fixedly installed at the top of the laser, and the top heat sink is communicated with the bottom heat sink by the heat pipe.

2. The high-efficiency heat-dissipation nanosecond laser marking all-in-one machine according to claim 1, characterized in that, The scanning galvanometer is composed of a galvanometer head shell, a scanning motor and a galvanometer lens.

3. The high-efficiency heat-dissipation nanosecond laser marking all-in-one machine according to claim 1, characterized in that, The bottom heat sink and the top heat sink are respectively formed by a plurality of parallelly connected heat dissipation fins.

4. The high-efficiency heat-dissipation nanosecond laser marking all-in-one machine according to claim 3, characterized in that, The heat dissipation fins are made of heat dissipation copper sheets.

5. The high-efficiency heat-dissipation nanosecond laser marking all-in-one machine according to claim 1, characterized in that, The heat pipe is made of a heat conduction copper pipe, and the top heat sink is communicated with the bottom heat sink by the heat conduction copper pipe.

6. The high-efficiency heat-dissipation nanosecond laser marking all-in-one machine according to claim 1, characterized in that, Protective shells are arranged on the front and rear ends of the laser on the shell.

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