Efficient heat dissipation structure of laser marking machine

Abstract

The efficient heat dissipation structure comprises a marking machine case, the rear surface of the marking machine case is provided with an opening, the rear surface of the marking machine case is fixedly connected with a driving motor, the interior of the marking machine case is rotationally connected with a first gear, the interior of the marking machine case is rotationally connected with two second gears, and the first gear and the second gears are arranged in the marking machine case. Two cooling fans are rotationally connected to the side surface of the marking machine case, and a chain wheel is arranged at one end of a rotating shaft of the second gear. According to the efficient heat dissipation structure of the laser marking machine, a cleaning scraper and an air inlet filter screen are arranged, external impurities and dust are blocked through the air inlet filter screen, the impurities are prevented from damaging electrical elements, and during working, a first gear rotates and then drives a transmission cam to rotate through a second transmission chain; and a transmission cam pushes a supporting sliding rod to drive a cleaning scraper to move, so that the cleaning scraper scrapes and cleans the air inlet filter screen, dust accumulation and blockage are prevented, and the heat dissipation effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of laser marking machines, in particular to a high-efficiency heat dissipation structure of a laser marking machine. Background Art

[0002] Laser marking machine uses laser beam to make permanent marks on the surface of various materials. The effect of marking is to expose the deep material through the evaporation of the surface material, so as to carve out exquisite patterns, trademarks and texts. Laser marking machines are mainly divided into CO2 laser marking machines, semiconductor laser marking machines, fiber laser marking machines and YAG laser marking machines. Laser marking machines are mainly used in some occasions that require more sophisticated and higher precision, such as electronic components, integrated circuits, electrical appliances, mobile communications, hardware products, etc. The laser marking machine itself will emit heat when it is in operation, and it needs to be cooled.

[0003] When the existing laser marking machine is working, ventilation holes are generally opened on the surface of the chassis of the electrical components, and then the heat dissipation fan is used to exhaust the hot air for cooling. However, during operation, dust and impurities from the outside are easily sucked into the inside of the chassis, thereby affecting the service life of the electrical components and reducing practicality. Utility Model Content

[0004] The purpose of the utility model is to provide an efficient heat dissipation structure of a laser marking machine to solve the problem raised in the above background technology that external dust and impurities are easily sucked into the interior of the chassis during operation, thereby affecting the service life of electrical components and reducing practicality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an efficient heat dissipation structure of a laser marking machine, comprising a marking machine chassis, a rear surface of which is provided with an opening, a driving motor is fixedly connected to the rear surface of the marking machine chassis, a first gear is rotatably connected inside the marking machine chassis, and two second gears are rotatably connected inside the marking machine chassis, two cooling fans are rotatably connected to the side surface of the marking machine chassis, a sprocket is provided at one end of the rotating shaft of the second gear, a sprocket is provided at one end of the rotating shaft of the cooling fan, and a first transmission chain is provided between the sprocket of the cooling fan and the sprocket of the second gear, an air outlet is provided on the side surface of the marking machine chassis, and an air intake filter is installed on the inner wall after the marking machine chassis is opened.

[0006] Preferably, the output end of the drive motor passes through the rear surface of the marking machine chassis, and is fixedly connected to the rotating shaft of the first gear, the first gear is meshed with the second gear, and a sprocket is provided at one end of the rotating shaft of the first gear.

[0007] By adopting the above technical solution, the first gear is driven to rotate by the driving motor, so that the first gear drives the second gear to rotate.

[0008] Preferably, a protective plate is provided on the side surface of the marking machine chassis, and the protective plate of the marking machine chassis is designed as a hollow cylinder, and the inner diameter of the protective plate of the marking machine chassis is larger than the outer diameter of the cooling fan.

[0009] By adopting the above technical solution, the protective plate of the marking machine chassis is used to prevent external impurities from clogging the air outlet.

[0010] Preferably, a positioning mechanism is provided inside the marking machine chassis, which drives the positioning column to engage and fix the air intake filter through the linkage plate.

[0011] By adopting the above technical solution, the linkage plate drives the positioning column to engage and fix the air intake filter through the positioning mechanism of the marking machine chassis.

[0012] Preferably, the positioning mechanism includes a limit groove, which is opened on the lower side surface of the marking machine chassis, the inner wall of the limit groove is arc-shaped, the inner wall of the limit groove is slidably connected with a linkage plate, and a spring is connected between the linkage plate and the limit groove, two positioning columns are fixed on the surface of the linkage plate, and the positioning columns are snap-fitted with the air intake filter.

[0013] By adopting the above technical solution, the positioning column is driven to move by pulling the linkage plate, so that the positioning column engages and fixes the air intake filter.

[0014] Preferably, an anti-blocking mechanism is provided inside the marking machine chassis, which pushes the supporting slide bar through a transmission cam and drives a cleaning scraper to clean the air intake filter.

[0015] By adopting the above technical solution, the anti-blocking mechanism of the marking machine chassis enables the transmission cam to push the supporting slide bar and drive the cleaning scraper to clean the air intake filter.

[0016] Preferably, the anti-blocking mechanism includes a transmission cam, which is rotatably connected to the inside of the marking machine chassis, a sprocket is provided at one end of the rotating shaft of the transmission cam, and a second transmission chain is provided between the sprocket of the transmission cam and the sprocket of the first gear, the top surface of the opening of the marking machine chassis is slidably connected to a supporting slide rod, and a cleaning scraper is fixed to the lower surface of the supporting slide rod, and a spring is connected between the cleaning scraper and the marking machine chassis.

[0017] By adopting the above technical solution, the first gear rotates so that the first gear drives the second transmission chain and the transmission cam to rotate, so that the transmission cam pushes the supporting slide bar to slide.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the efficient heat dissipation structure of the laser marking machine:

[0019] 1. A cleaning scraper and an air intake filter are provided, so that when the device is working, the air intake filter blocks the external impurities and dust to prevent the impurities from damaging the electrical components. When working, the first gear rotates and drives the transmission cam to rotate through the second transmission chain, so that the transmission cam pushes the supporting slide bar to drive the cleaning scraper to move, so that the cleaning scraper scrapes and cleans the air intake filter, thereby preventing dust accumulation and clogging, and ensuring the heat dissipation effect;

[0020] 2. A linkage plate and a positioning column are provided, so that when the device is working, the linkage plate is pulled to slide by the spring on the inner wall of the limit groove, so that the linkage plate drives the positioning column to engage and fix the air intake filter. When disassembling, the air intake filter is loosened by sliding the linkage plate and the positioning column, which is convenient for personnel to disassemble and maintain the air intake filter, thereby improving the maintenance efficiency of the device and improving the practicality;

[0021] 3. A first gear and a second gear are provided. When the device is working, the first gear is driven to rotate by the driving motor, so that the first gear drives the two second gears to rotate. The second gear drives the cooling fan to rotate through the first transmission chain to extract air and dissipate heat, which reduces energy consumption and increases the heat dissipation effect. The cooling fan is protected by the protective plate on the outer surface of the marking machine chassis to extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the connection between the marking machine chassis and the drive motor of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the heat dissipation fan connected to the first transmission chain of the utility model;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the connection between the first gear and the second gear of the utility model;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the connection between the transmission cam and the second transmission chain of the utility model;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the connection between the supporting sliding rod and the cleaning scraper of the utility model;

[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of the linkage plate and the positioning column connected to the utility model.

[0028] In the figure: 1. Marking machine chassis; 2. Drive motor; 3. First gear; 4. Second gear; 5. Cooling fan; 6. First transmission chain; 7. Air outlet; 8. Air inlet filter; 9. Limiting groove; 10. Linkage plate; 11. Positioning column; 12. Transmission cam; 13. Second transmission chain; 14. Support slide bar; 15. Cleaning scraper. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-6 The utility model provides a technical solution: an efficient heat dissipation structure of a laser marking machine, including a marking machine chassis 1, a driving motor 2, a first gear 3, a second gear 4, a heat dissipation fan 5, a first transmission chain 6, an air outlet 7, an air inlet filter 8, a limit groove 9, a linkage plate 10, a positioning column 11, a transmission cam 12, a second transmission chain 13, a supporting slide bar 14 and a cleaning scraper 15. The marking machine chassis 1 has an opening on its rear surface, and the output end of the driving motor 2 passes through the rear surface of the marking machine chassis 1, and the output end of the driving motor 2 is connected to the rear surface of the marking machine chassis 1. The rotating shaft of the first gear 3 is fixedly connected, and the first gear 3 is meshed with the second gear 4. A sprocket is provided at one end of the rotating shaft of the first gear 3. When using the device, the first gear 3 is first driven to rotate by the driving motor 2, so that the first gear 3 drives the two second gears 4 to rotate, so that the second gears 4 drive the cooling fan 5 to rotate through the first transmission chain 6, so that the cooling fan 5 discharges the hot air inside the marking machine chassis 1 from the air outlet 7 for heat dissipation, and the cooling fan 5 is protected by the protective plate on the outer surface of the marking machine chassis 1.

[0031] A driving motor 2 is fixedly connected to the rear surface of the marking machine chassis 1, and a protective plate is provided on the side surface of the marking machine chassis 1. The protective plate of the marking machine chassis 1 is designed as a hollow cylinder, and the inner diameter of the protective plate of the marking machine chassis 1 is larger than the outer diameter of the cooling fan 5. A positioning mechanism is provided inside the marking machine chassis 1, which drives the positioning column 11 to engage and fix the air intake filter 8 through the linkage plate 10. When working, the air intake filter 8 facilitates the entry of outside air. At the same time, the air intake filter 8 blocks dust and impurities to prevent damage to internal electrical components.

[0032] The internal rotation of the marking machine chassis 1 is connected to the first gear 3, and the internal rotation of the marking machine chassis 1 is connected to two second gears 4. The positioning mechanism includes a limit groove 9, which is opened on the lower end side surface of the marking machine chassis 1. The inner wall of the limit groove 9 is designed to be arc-shaped. The inner wall of the limit groove 9 is slidably connected to a linkage plate 10, and a spring is connected between the linkage plate 10 and the limit groove 9. Two positioning columns 11 are fixed on the surface of the linkage plate 10, and the positioning columns 11 are engaged with the air intake filter 8. When disassembling and assembling the air intake filter 8, it is convenient for personnel to put their hands in through the arc-shaped inner wall of the limit groove 9, and then pull the linkage plate 10 to drive the positioning column 11 to slide, so that the positioning column 11 can engage or unlock the air intake filter 8, thereby improving the efficiency of installing the air intake filter 8 and facilitating personnel to perform maintenance and repairs.

[0033] Two cooling fans 5 are rotatably connected to the side surface of the marking machine chassis 1, a sprocket is provided at one end of the rotating shaft of the second gear 4, a sprocket is provided at one end of the rotating shaft of the cooling fan 5, and a first transmission chain 6 is provided between the sprocket of the cooling fan 5 and the sprocket of the second gear 4. An anti-blocking mechanism is provided inside the marking machine chassis 1, which pushes the supporting slide bar 14 through the transmission cam 12 and drives the cleaning scraper 15 to clean the air intake filter 8. When the device is working, when the first gear 3 rotates, the transmission cam 12 is driven to rotate through the second transmission chain 13, so that the transmission cam 12 rotates and then pushes the supporting slide bar 14 to slide.

[0034] An air outlet 7 is provided on the side surface of the marking machine chassis 1, and an air intake filter 8 is installed on the inner wall of the marking machine chassis 1 after opening. The anti-blocking mechanism includes a transmission cam 12, which is rotatably connected to the inside of the marking machine chassis 1. A sprocket is provided at one end of the rotating shaft of the transmission cam 12, and a second transmission chain 13 is provided between the sprocket of the transmission cam 12 and the sprocket of the first gear 3. A supporting slide bar 14 is slidably connected to the top surface of the opening of the marking machine chassis 1, and a cleaning scraper 15 is fixed to the lower surface of the supporting slide bar 14. A spring is connected between the cleaning scraper 15 and the marking machine chassis 1. After the supporting slide bar 14 slides, it drives the cleaning scraper 15 to move, so that the cleaning scraper 15 scrapes and cleans the air intake filter 8, thereby preventing impurities from clogging and ensuring the heat dissipation effect.

[0035] Working principle: When using the efficient heat dissipation structure of the laser marking machine, firstly, the first gear 3 is driven to rotate by the driving motor 2, so that the first gear 3 drives the two second gears 4 to rotate, so that the second gear 4 drives the cooling fan 5 to rotate through the first transmission chain 6 for heat dissipation, and the positioning column 11 is driven by the linkage plate 10 to engage and fix the air intake filter 8, which is convenient for disassembly and maintenance, and the impurities are blocked by the air intake filter 8. During operation, the rotation of the first gear 3 drives the second transmission chain 13 and the transmission cam 12 to rotate, so that the transmission cam 12 circulates and pushes the supporting slide bar 14 to slide, so that the supporting slide bar 14 drives the cleaning scraper 15 to move, so that the cleaning scraper 15 cleans the air intake filter 8 to prevent blockage, thereby increasing the overall practicality.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An efficient heat dissipation structure of a laser marking machine, comprising a marking machine chassis (1), the rear surface of which is provided with an opening, and a driving motor (2) is fixedly connected to the rear surface of the marking machine chassis (1), characterized in that: The marking machine chassis (1) is internally rotatably connected to a first gear (3), and the marking machine chassis (1) is internally rotatably connected to two second gears (4), the side surface of the marking machine chassis (1) is rotatably connected to two cooling fans (5), one end of the rotating shaft of the second gear (4) is provided with a sprocket, one end of the rotating shaft of the cooling fan (5) is provided with a sprocket, and a first transmission chain (6) is provided between the sprocket of the cooling fan (5) and the sprocket of the second gear (4), the side surface of the marking machine chassis (1) is provided with an air outlet (7), and an air intake filter (8) is installed on the inner wall of the marking machine chassis (1) after opening.

2. The high-efficiency heat dissipation structure of a laser marking machine according to claim 1, characterized in that: The output end of the driving motor (2) passes through the rear surface of the marking machine chassis (1), and the output end of the driving motor (2) is fixedly connected to the rotating shaft of the first gear (3), the first gear (3) and the second gear (4) are meshedly connected, and a sprocket is provided at one end of the rotating shaft of the first gear (3).

3. The high-efficiency heat dissipation structure of a laser marking machine according to claim 1, characterized in that: A protective plate is provided on the side surface of the marking machine chassis (1), and the protective plate of the marking machine chassis (1) is designed as a hollow cylinder, and the inner diameter of the protective plate of the marking machine chassis (1) is greater than the outer diameter of the cooling fan (5).

4. The high-efficiency heat dissipation structure of a laser marking machine according to claim 1, characterized in that: A positioning mechanism is provided inside the marking machine chassis (1), which drives the positioning column (11) to engage and fix the air intake filter (8) through the linkage plate (10).

5. The high-efficiency heat dissipation structure of a laser marking machine according to claim 4, characterized in that: The positioning mechanism comprises a limit groove (9), the limit groove (9) being arranged on the lower side surface of the marking machine chassis (1), the inner wall of the limit groove (9) being of arc-shaped design, the inner wall of the limit groove (9) being slidably connected with a linkage plate (10), and a spring being connected between the linkage plate (10) and the limit groove (9), two positioning columns (11) being fixed on the surface of the linkage plate (10), and the positioning columns (11) being snap-fitted with the air intake filter (8).

6. The high-efficiency heat dissipation structure of a laser marking machine according to claim 1, characterized in that: An anti-blocking mechanism is arranged inside the marking machine chassis (1), which pushes the supporting slide bar (14) through the transmission cam (12) and drives the cleaning scraper (15) to clean the air intake filter (8).

7. The high-efficiency heat dissipation structure of a laser marking machine according to claim 6, characterized in that: The anti-blocking mechanism comprises a transmission cam (12), which is rotatably connected to the inside of the marking machine case (1), a sprocket is arranged at one end of the rotating shaft of the transmission cam (12), and a second transmission chain (13) is arranged between the sprocket of the transmission cam (12) and the sprocket of the first gear (3), a supporting slide bar (14) is slidably connected to the top surface of the opening of the marking machine case (1), and a cleaning scraper (15) is fixed to the lower surface of the supporting slide bar (14), and a spring is connected between the cleaning scraper (15) and the marking machine case (1).

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