CN219498471U

CN219498471U - Laser module and laser engraving machine with good heat dissipation effect

Info

Publication number: CN219498471U
Application number: CN202320469110.7U
Authority: CN
Inventors: 邹远辉; 史洪江; 谢清鹏
Original assignee: Hingin Tech Co ltd
Current assignee: Hingin Tech Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-08
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to a laser module with good heat dissipation effect and a laser engraving machine, wherein the laser module comprises a laser outer frame with upper and lower openings, a laser and a cooling fin for fixing the laser are arranged in the laser outer frame, a control board connected with the laser is also arranged in the laser outer frame, a grid-shaped cover plate is arranged above the laser outer frame, a fan is also arranged above the laser, and a space is reserved between the lower end of the fan and the upper end of the laser. Through setting up the turbofan of high rotational speed and improving the radiating effect of laser module, leave the interval between fan and the laser instrument and make the air flow in the laser instrument frame of fan during operation more smooth and easy, further improve the radiating effect, the laser instrument sets up in the fin, has also improved the heat dissipation of laser instrument itself, delays laser decay, prolongs the life of laser instrument, and whole laser module volume is littleer. The outside of the fan is provided with the silica gel ring, so that noise generated by collision when the fan works is reduced, and direct collision between the fan and the fan fixing frame is avoided.

Description

Laser module and laser engraving machine with good heat dissipation effect

Technical Field

The utility model relates to the field of laser modules, in particular to a laser module with good heat dissipation effect and a laser engraving machine.

Background

With the development of laser technology, laser engraving technology is also becoming popular. Generally, the types of laser include gas laser, chemical substance laser, metal vapor laser, solid state laser, semiconductor laser, and the like. The principle of laser engraving is to use laser invitation as a heat source, focus a light beam on the surface of a work piece in a very short time, and release energy. The released energy can generate heat energy on the surface of crops to locally melt the work piece, and the aim of carving the work piece is achieved by moving the position of the laser beam. The heat generated during the laser working is higher, so the heat dissipation effect is particularly important, and the heat dissipation effect directly causes the attenuation condition of the laser power, so that the service life of the laser is influenced. Meanwhile, when the laser is used for carving organic matters, smoke and even flame are generated, the energy attenuation of the laser is caused by the smoke, so that the carving effect is uneven, the flame can cause the carving object to fire, and the safety risk is formed, so that an air pump is usually arranged for driving out the smoke and the flame during carving.

Chinese patent publication No. CN210548922U discloses a small-sized laser engraving machine, which includes a housing, a laser rack, a laser and a radiating pipe. Wherein the shell encloses a closed chamber. The laser is erected in the closed cavity. The laser and the radiating pipe are both arranged on the laser frame. The radiating pipe is connected with the shell. According to the utility model, the laser is arranged in the closed environment, so that the influence of external dust and other pollutants on the laser can be prevented, and the heat of the laser can be quickly conducted to the shell and further conducted to the outside of the laser engraving machine through the radiating pipe, so that the temperature of the laser is effectively reduced. The laser has smaller volume, but the laser is arranged in a closed environment, so that the heat dissipation effect is poor, and the service life of the laser is shortened.

Chinese patent publication No. CN215393276U discloses a heat abstractor for laser engraving machine, which comprises a frame pedestal, the inside welding of frame pedestal has movable mechanism, the positive welding of movable mechanism has laser engraving heat abstractor, laser engraving heat abstractor left side welding has the heat abstractor that bloies, laser engraving heat abstractor right side welding has the air-out heat abstractor, the heat abstractor that bloies includes the air inlet casing, air inlet casing right side and laser engraving heat abstractor left side welding, the air inlet recess has been seted up with the relative lateral wall of laser engraving heat abstractor to the air inlet casing, the inboard fixed mounting in air inlet casing top has motor one. According to the utility model, the laser engraving heat dissipation device, the blowing heat dissipation device and the air outlet heat dissipation device are arranged to conduct heat to the stepping motor, the power supply and the laser lamp tube to the heat dissipation fin, and the fan is utilized to move to expand the blowing air inlet area so as to better dissipate heat, cool and protect the electrified heating structure. Although the radiator can realize better radiating effect, the whole volume of the product is larger, and the radiator is inconvenient to carry.

Disclosure of Invention

The utility model aims to solve the technical problems that the service life of a laser is reduced or the laser is large in size and inconvenient to carry due to poor heat dissipation effect of the traditional laser engraving machine. Aiming at the defects in the prior art, the laser module and the laser engraving machine with good heat dissipation effect are provided.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the laser module with the good radiating effect is constructed, wherein the laser module comprises a laser outer frame with an upper opening and a lower opening, a laser and radiating fins for fixing the laser are arranged in the laser outer frame, a control board connected with the laser is further arranged in the laser outer frame, a grid-shaped cover plate is arranged above the laser outer frame, a fan is further arranged at the upper end of the laser, and a space is reserved between the lower end of the fan and the upper end of the laser.

Preferably, the radiator partially wraps the laser, the upper end of the radiator is higher than the upper end of the laser, and a space is reserved between the lower end of the fan and the upper end of the radiator.

Preferably, the fan is arranged in the laser outer frame through a fan fixing frame, and a silica gel ring is arranged between the fan and the fan fixing frame.

Preferably, the fan is a turbofan.

Preferably, the lower end of the laser is provided with a laser air outlet nozzle corresponding to the laser.

Preferably, the laser air outlet nozzle is in an inverted cone shape, a laser protection cover is arranged outside the laser air outlet nozzle, the laser protection cover is connected with the laser outer frame, and the lowest part of the laser air outlet nozzle is arranged in the laser protection cover.

Preferably, the side of the laser protection cover is provided with a ranging sliding key and scale marks corresponding to the ranging sliding key, the laser protection cover is provided with a magnet corresponding to the ranging sliding key, and the magnet is used for sliding and positioning the ranging sliding key.

Preferably, the radiating fin is also provided with a cross cursor and a temperature sensor.

A laser engraving machine with good heat dissipation effect comprises the laser module with good heat dissipation effect.

The utility model has the beneficial effects that: through setting up the turbofan of high rotational speed and improving the radiating effect of laser module, leave the interval between fan and the laser instrument and make the air flow in the laser instrument frame of fan during operation more smooth and easy, further improve the radiating effect, the laser instrument sets up in the fin, has also improved the heat dissipation of laser instrument itself, delays laser decay, prolongs the life of laser instrument, and whole laser module volume is littleer. Meanwhile, the heat dissipation gas sprayed by the air nozzle drives and kills smoke and even flame generated by carving, so that the carving effect and the carving safety are ensured. The outside of the fan is provided with the silica gel ring, so that noise generated by collision when the fan works is reduced, and direct collision between the fan and the fan fixing frame is avoided. In order to achieve better engraving effect, the laser module is further provided with a distance measuring sliding key to adjust the distance between the laser and the object to be engraved, so that the engraving distance is most appropriate, the engraving effect is improved by fixing the engraving position through a cross cursor, the temperature of the object to be engraved is monitored through a temperature sensor, and the safety during engraving is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

FIG. 1 is a schematic perspective view of a laser module according to a preferred embodiment of the utility model;

FIG. 2 is a perspective view of the laser module according to the preferred embodiment of the utility model with the outer frame removed;

FIG. 3 is an exploded view of a fan portion of a laser module according to a preferred embodiment of the present utility model;

fig. 4 is an exploded view of the laser module according to the preferred embodiment of the utility model after the outer frame is removed.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

The laser module with good heat dissipation effect in the preferred embodiment of the utility model; as shown in fig. 1-2 and fig. 4, the laser frame 1 comprises an upper opening and a lower opening, a laser 5 is arranged in the laser frame, a cooling fin 6 for wrapping the laser is arranged above the laser, a fan 7 for increasing the cooling effect is arranged above the laser, a control board 8 for controlling the fan and the laser to work is further arranged above the laser frame, a laser radiator cover plate 2 is arranged above the laser frame 1, and a grid is arranged on the laser radiator cover plate for increasing the cooling inside the laser frame. The laser protection cover 4 is connected to the laser outer frame lower extreme, is equipped with the laser instrument that is connected with the laser instrument in the laser protection cover 4 and gives vent to anger mouth 3, is placed in laser protection cover below by the sculpture thing, and laser that the laser instrument sent is passed the laser instrument and is given vent to anger the mouth and carry out laser sculpture to the sculpture thing, and the radiating gas that the air outlet mouth spun has driven out the smog that the sculpture produced even flame simultaneously, has guaranteed sculpture effect and the wobbling security.

Further, as shown in fig. 3, in order to increase the heat dissipation effect of the laser module, the power attenuation speed of the laser is prevented from being fast, the fan 7 selects the turbofan, the rotating speed of the turbofan can achieve a better heat dissipation effect, and the turbofan can be replaced by other common fan products with high rotating speed to dissipate heat.

Further, as shown in fig. 2-4, the laser outer frame is provided with a main board fixing bracket 9, the control board 8 is fixed by the main board fixing bracket, and the control board is electrified by the laser board TYPE-C bracket 801, and other electrifying modes can be replaced. The main board fixing support is used for fixing the fan 7 at the same time, the fan 7 is connected with the main board fixing support through the fan fixing support 702, a silica gel ring 701 is further arranged between the fan fixing support and the fan, the turbofan is firstly arranged in the silica gel ring 701 during assembly, then the turbofan is fixed in the fan fixing support 702, the silica gel ring is used for avoiding direct collision of the fan fixing support in the working time domain, and meanwhile noise generated by collision with the main board fixing support can be weakened.

Further, as shown in fig. 2 and 4, a space 10 is reserved between the lower end of the fan 7 and the upper end of the cooling fin 6, two lugs 901 are arranged at the upper end and the lower end of the main board fixing support 9, and the lugs are arranged towards the cooling fin direction, so that the outgoing line of the fan and the connection line between the engraving device and the control board are facilitated. The height of the support lugs is greater than the height of the interval 10 so as to avoid the contact between the lower end of the fan and the radiating fins, when the fan rotates, the fan rotates to enable air inside the laser module to flow, the radiating effect is better, the laser attenuation is delayed, the service life of the laser is prolonged, the whole laser module is smaller in size, the volume utilization rate is higher, and the laser module is convenient to carry and use at any time.

Further, as shown in fig. 2 and 4, the heat sink 6 is provided with a space for fixing the laser 5, so that the laser is inserted into the heat sink to be fixed, and three sides of the laser are contacted with the heat sink, thereby facilitating the installation and the disassembly of the laser. The cooling fin is also provided with a cross cursor 11, the lower end of the cross cursor is provided with cross light glass 110 for carving and positioning, and the cross cursor performs position reference when the carved articles are placed. A temperature sensor 12 is also provided to monitor the temperature of the engraved article and prevent the engraved article from firing.

Further, as shown in fig. 2 and 4, the laser air outlet nozzle 3 is tapered, and the lowest part of the laser air outlet nozzle is arranged in the laser protection cover, so that the laser is all in the laser protection cover when emitted from the laser air outlet nozzle. Meanwhile, the air outlet nozzle 3 can also achieve the effect of improving the radiating air discharging speed at the air outlet nozzle, so that air discharging can be achieved without arranging an air pump in the engraving machine, and the air discharging position is directly aligned with the engraving point, so that the alignment step when the air pump is arranged is not needed to be considered. Due to the fact that the conical air outlet nozzle 3 is arranged, when the volume of air is unchanged, the area of the air inlet is larger than that of the air outlet, the air flow outflow speed of the air outlet nozzle is correspondingly increased, and the function of the air pump is integrated into the laser head while heat dissipation is achieved. The air outlet nozzle can not only allow laser beams to pass through, but also improve the radiating gas exhausting speed at the air outlet nozzle to achieve the effect of the air pump, and can also drive and kill smoke and even flame generated by carving, thereby ensuring the carving effect and the carving safety.

Further, as shown in fig. 1-2 and fig. 4, in order to facilitate adjustment of the distance between the laser module and the object to be engraved, a ranging sliding key 402 is provided on the side of the laser protection cover 4, a laser protection cover magnet 14 and a ranging sliding key magnet 13 are provided on the laser protection cover corresponding to the ranging sliding key, and the laser protection cover magnet and the ranging sliding key magnet are arranged up and down to position the ranging sliding key in a sliding manner, and the ranging sliding key is moved up and down to adjust the distance between the end of the laser air outlet nozzle 3 and the object to be engraved by the adsorption of the magnet and the ranging sliding key, so as to obtain a higher engraving effect. In order to facilitate visual observation of the moving range of the ranging sliding key, graduation marks 403 are arranged on the side face of the laser protection cover 4 corresponding to the ranging sliding key. The side of the laser protection cover 4 is also provided with a protection cover lens 401, and whether laser is emitted or not can be directly observed through the protection cover lens.

When the laser carving device is used, the control board 8 controls the carving machine 5 to emit laser, the emitted laser penetrates through the laser air outlet nozzle 3 to carry out laser carving on a carved object, the cross cursor is used for positioning the carved object before carving, the distance between the laser module and the carved object is adjusted by the ranging sliding key 402, and the air in the laser outer frame 1 flows due to high-speed rotation of the turbofan during carving, so that heat emitted by the laser is blown away, and the radiating effect of the laser is improved. Delay the laser attenuation and prolong the service life of the laser. The temperature of the carved object is monitored through the temperature sensor 12, and meanwhile, the smoke and even flame generated by carving are driven out by the radiating gas sprayed by the air nozzle, so that the carving effect and the carving safety are ensured.

The laser engraving machine with good heat dissipation effect comprises the laser module with good heat dissipation effect.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes in the features and embodiments may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a laser module that radiating effect is good, includes upper and lower open-ended laser frame, be equipped with the laser instrument in the laser frame and fix the fin of laser instrument, still be equipped with the control panel of being connected with the laser instrument in the laser frame, laser frame top is equipped with grid form apron, its characterized in that: the upper end of the laser is also provided with a fan, and a space is reserved between the lower end of the fan and the upper end of the laser.

2. The laser module of claim 1, wherein: the laser is wrapped by the radiating fin part, the upper end of the radiating fin is higher than the upper end of the laser, and a space is reserved between the lower end of the fan and the upper end of the radiating fin.

3. The laser module of claim 1, wherein: the fan is arranged in the laser outer frame through the fan fixing frame, and a silica gel ring is arranged between the fan and the fan fixing frame.

4. A laser module according to any one of claims 1-3, wherein: the fan is a turbofan.

5. The laser module of claim 1, wherein: and a laser air outlet nozzle corresponding to the laser is arranged at the lower end of the laser.

6. The laser module of claim 5, wherein: the laser air outlet nozzle is in an inverted cone shape, a laser protection cover is arranged outside the laser air outlet nozzle and connected with the laser outer frame, and the lowest part of the laser air outlet nozzle is arranged in the laser protection cover.

7. The laser module of claim 6, wherein: the side of the laser protection cover is provided with a ranging sliding key and scale marks corresponding to the ranging sliding key.

8. The laser module of claim 7, wherein: the laser protection cover is provided with a magnet corresponding to the distance measurement sliding key, and the magnet is used for positioning the distance measurement sliding key in a sliding mode.

9. The laser module of claim 1, wherein: and a cross cursor and a temperature sensor are further arranged on the radiating fin, and cross cursor glass is arranged at the lower end of the cross cursor.

10. The utility model provides a laser engraving machine that radiating effect is good which characterized in that: comprising a laser module according to any of claims 1-9.