CN215588161U

CN215588161U - Handheld laser marking machine capable of dissipating heat quickly

Info

Publication number: CN215588161U
Application number: CN202122212899.1U
Authority: CN
Inventors: 王青
Original assignee: Wuhan Xiantong Technology Co ltd
Current assignee: Wuhan Xiantong Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-21
Anticipated expiration: 2031-09-13

Abstract

The application relates to a quick radiating hand-held type laser marking machine especially relates to laser marking machine's field, and it includes the main casing body and sets up the laser light source in the main casing body, still be provided with the radiating block in the main casing body, fixed chamber has been seted up on the radiating block, laser light source sets up in the fixed chamber. This application can dispel the heat fast, has the effect of extension hand-held type laser marking machine life.

Description

Handheld laser marking machine capable of dissipating heat quickly

Technical Field

The application relates to the field of laser marking machines, in particular to a quick-radiating handheld laser marking machine.

Background

The laser marking machine is marking equipment which uses laser beams to evaporate substances on the surface layer of a material to leak deep substances, or uses light energy irradiation to cause the surface layer of the material to generate chemical and physical changes so as to mark. The method is widely applied to various fields such as electronic components, integrated circuits, electrical appliances, mobile phone communication, hardware products, tool fittings, precision instruments and the like. The existing laser marking equipment is generally large-scale equipment, and a plurality of inconveniences exist in the product maintenance and use process, so that the handheld laser marking machine becomes the development focus at present.

The patent document of the Chinese utility model with application number 202021068817.X discloses a hand-held laser marking machine, which comprises a main shell, an isolator, a photoelectric switch, a galvanometer component, a field lens and a focusing block which are arranged in the main shell, wherein the focusing block is detachably connected with the main shell; the handle part comprises an isolator accommodating cavity and a switch groove, the isolator is arranged in the isolator accommodating cavity, and the photoelectric switch is communicated with a switch operation part on the outer side of the main shell through the switch groove; the marking part comprises a vibrating mirror assembly accommodating cavity and a field lens hole, the vibrating mirror assembly accommodating cavity is communicated with the field lens hole, and the field lens is installed in the field lens hole.

In view of the above-mentioned related technologies, the inventor believes that, after the laser marking machine is subjected to integration improvement, although the volume is reduced, the heat generated during the operation is more concentrated, and the defect of poor heat dissipation exists.

SUMMERY OF THE UTILITY MODEL

In order to improve the not good defect of hand-held type laser marking machine heat dissipation, this application provides a quick radiating hand-held type laser marking machine.

The application provides a quick radiating hand-held type laser marking machine adopts following technical scheme:

quick radiating hand-held type laser marking machine, including the main casing body and set up the laser source in the main casing body, still be provided with the radiating block in the main casing body, fixed chamber has been seted up on the radiating block, laser source sets up in the fixed chamber.

Through adopting above-mentioned technical scheme, adopt the radiating block to wrap up as the laser light source of main heat source of producing, make the heat that laser light source produced disperse through the radiating block conduction, with the problem of improving laser marking machine during operation heat concentration, moreover, the setting up of radiating block has increased heat radiating area, the heat that helps laser light source work to produce passes through the mode escape of heat exchange to main casing outside fast, make in the main casing each spare part be in the lower temperature environment, help reducing the possibility that each spare part of laser marking machine produced the damage by the accumulated heat influence, make the life of hand-held type laser marking machine can promote. In addition, the radiating block also serves as a fixing frame of the laser light source for use, so that the integration of the handheld laser marking machine is kept, and the contradiction between quick heat radiation and the volume of the laser marking machine is reduced.

Optionally, a heat-conducting silicone grease layer is arranged at the joint of the laser light source and the heat dissipation block.

By adopting the technical scheme, the gap between the laser light source and the radiating block connecting part is filled through the heat-conducting silicone grease, so that heat generated by the laser light source during working can be conducted to the radiating block through the heat-conducting silicone grease, and then the main shell body is conducted out, and the heat-conducting efficiency is higher than that of the laser light source when the heat is conducted to the radiating block through air, so that the heat-radiating performance of the laser marking machine is further improved.

Optionally, a plurality of heat dissipation grooves are formed in the outer surface of the heat dissipation block.

By adopting the technical scheme, the heat dissipation grooves are formed to help to increase the heat dissipation area of the heat dissipation block, so that the heat dissipation efficiency of the heat dissipation block is improved, heat generated by the laser light source during working is guided away quickly, the working area of the laser light source can keep a lower temperature, and the service life of the laser light source is prolonged.

Optionally, the main housing is further provided with a heat dissipation fan.

Through adopting above-mentioned technical scheme, adopt the heat dissipation fan to take out in the thermal air of radiating block from the main casing, make and form negative pressure environment in the main casing body, with the outer air suction of main casing body in the main casing body, discharge again after absorbing the radiating block heat, take out the main casing body with the absorptive heat of radiating block through the air flow promptly, the radiating efficiency has been promoted greatly, and make the temperature in the main casing body inner chamber maintain in lower within range, provide a comparatively suitable temperature environment for hand-held type laser marking machine, help promoting the life of each spare part in the hand-held type laser marking machine.

Optionally, the air inlet end of the heat dissipation fan is opposite to the heat dissipation block.

By adopting the technical scheme, the air inlet end of the cooling fan is used for exhausting air to the radiating block, so that air around the radiating block can flow easily, air around the radiating block can keep a low temperature, the heat exchange speed between the radiating block and the ambient air can be accelerated, and the cooling efficiency can be further improved.

Optionally, the fixed cavity penetrates through the heat dissipation block, and the air inlet end of the heat dissipation fan is aligned with the non-light-emitting end of the fixed cavity.

Through adopting above-mentioned technical scheme for radiator fan can directly take away the air near the laser light source, makes the temperature near the laser light source reduce, helps prolonging laser light source's life.

Optionally, an air inlet is arranged on the main housing, and the air inlet is arranged close to the laser light outlet of the main housing.

Through adopting above-mentioned technical scheme, under the condition of fan work, utilize the negative pressure environment that the fan during operation produced, can effectually take away the smog that some special materials laser marking in-process produced for main casing laser light-emitting port near air can keep clean, thereby reduces refraction and loss among the laser conduction process, guarantees laser intensity, obtains better mark quality of beating.

Optionally, the heat dissipation block and the main housing are made of copper materials.

By adopting the technical scheme, the heat dissipation block and the main shell have excellent heat conduction and heat dissipation efficiency by utilizing the characteristic that copper has good heat conduction performance, and the heat dissipation performance of the handheld laser marking machine is further improved; and because copper has better light reflectivity, so adopt copper radiating block to act as the mount of laser light source, can reduce the loss in the laser emission process, promote the laser utilization ratio, have the effect of promoting the light path and go out the light uniformity, help guaranteeing to beat the mark stable quality unanimity.

In summary, the present application includes at least one of the following beneficial technical effects:

the laser light source serving as a main heat generating source is wrapped by the heat dissipation block, so that heat generated by the laser light source is conducted and dispersed through the heat dissipation block, and the problem of heat concentration during the working of the laser marking machine is solved; in addition, the heat dissipation block also serves as a fixing frame of a laser light source for use, so that the integration of the handheld laser marking machine is favorably kept, and the contradiction between the quick heat dissipation and the volume of the laser marking machine is reduced;

by utilizing the characteristic that copper has good heat conduction performance, the heat dissipation block has excellent heat conduction and heat dissipation efficiency, and the heat dissipation performance of the handheld laser marking machine is further improved; in addition, as copper has better light reflectivity, the copper heat dissipation block is used as a fixing frame of the laser light source, so that the loss in the laser emission process can be reduced, the laser utilization rate is improved, the effect of improving the light emitting consistency of a light path is achieved, and the stability and consistency of marking quality are favorably ensured;

set up the air inlet near main casing body laser light-emitting opening, under the condition of fan work, utilize the negative pressure environment that the fan during operation produced, can effectually take away the smog that some special material laser marking in-process produced for main casing body laser light-emitting opening near air can keep clean, thereby reduces refraction and loss among the laser conduction process, guarantees laser intensity, obtains better mark quality of beating.

Drawings

Fig. 1 is a schematic overall structure diagram of a handheld laser marking machine capable of rapidly dissipating heat according to an embodiment of the present application.

Fig. 2 is a schematic diagram of an internal structure of the handheld laser marking machine capable of rapidly dissipating heat in fig. 1.

Fig. 3 is a schematic structural view of a portion of the light source module of fig. 2.

Reference numerals: 1. an outer housing; 11. an upper housing; 111. a power supply box; 1111. a power supply cover; 112. a handle; 1121. a control button; 113. a control component; 12. a lower housing; 121. a sliding closure door; 13. heat dissipation holes; 2. a main housing; 21. a partition plate; 22. a first chamber; 221. an air inlet; 23. a second chamber; 231. a laser light outlet; 3. a light source assembly; 31. a laser light source; 32. a heat dissipating block; 321. a fixed cavity; 322. a heat sink; 4. a heat dissipation fan; 5. a galvanometer component; 51. mounting a plate; 52. a galvanometer motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses quick radiating hand-held type laser marking machine. Referring to fig. 1 and 2, the hand-held laser marking machine capable of rapidly dissipating heat includes an outer case 1, a main case 2, a light source assembly 3, a heat dissipation fan 4, and a galvanometer assembly 5. The main casing body 2 is installed in the shell body 1, and light source subassembly 3 and mirror subassembly 5 that shakes are all installed in the main casing body 2, and 4 joints of heat dissipation fan are on the main casing body 2 housing.

Referring to fig. 1 and 2, the outer case 1 includes an upper case 11 and a lower case 12 fixed to the bottom of the upper case 11 by bolts, and the main case 2 is snap-fitted into the upper case 11. A power box 111 and a handle 112 are integrally arranged at the top of the upper shell 11, a power cover 1111 is clamped on the power box 111, and a control button 1121 is arranged on the handle 112; the upper shell 11 is further provided with a control component 113, the control component 113 comprises a controller and a control screen, the controller and the control screen are bonded on one side wall of the upper shell 11, the control system adopted in the controller in the embodiment is an LINUX operating system, the operation is more efficient and stable, the control screen is a capacitive screen, and the content needing to be marked and the equipment parameters can be edited and operated on the control screen. The sliding type closing door 121 is slidably mounted at the bottom of the lower shell 12, the sliding type closing door 121 is opposite to the laser light outlet 231 of the main shell 2, and when the device is used, the laser emitted from the main shell 2 is shielded through the lower shell 12, so that the possibility that the laser is reflected and irradiated to human eyes is reduced. The lower shell 12 and the upper shell 11 are both provided with heat dissipation holes 13.

Referring to fig. 2, a partition plate 21 is welded in the main housing 2, the partition plate 21 divides the inner cavity of the main housing 2 into a first chamber 22 and a second chamber 23, the light source assembly 3 is installed in the first chamber 22, and the vibrating mirror assembly 5 is installed in the second chamber 23, so that heat generated in the first chamber 22 is prevented from being conducted to the second chamber 23, and the vibrating mirror assembly 5 is protected.

Referring to fig. 2 and 3, the light source assembly 3 includes a heat dissipation block 32 and a laser light source 31, a fixing cavity 321 is formed on the heat dissipation block 32 in a penetrating manner along a direction perpendicular to the partition plate 21, the laser light source 31 is clamped in the fixing cavity 321, a light emitting head of the laser light source 31 extends out of the fixing cavity 321 and extends into the second cavity 23 through the partition plate 21, and a heat conductive silicone grease layer is coated at a connection position of the periphery of the laser light source 31 and the heat dissipation block 32 to form a heat conductive silicone grease layer, so as to improve heat conductive efficiency, and the heat conductive silicone grease layer is not shown in the figure; a plurality of radiating grooves 322 are further formed in the peripheral side of the radiating block 32 along the direction of the parallel fixed cavity 321 to increase the heat exchange area of the radiating block 32, and in addition, the radiating block 32 and the main casing 2 are both made of copper materials in the embodiment, which helps to further improve the heat conduction efficiency.

Referring to fig. 2 and 3, the heat dissipation fan 4 is clamped on the side wall of the first cavity 22 opposite to the partition plate 21, and the air inlet end of the heat dissipation fan 4 is opposite to the non-light-emitting end of the fixing cavity 321 on the side far away from the partition plate 21, so that the heat dissipation fan 4 can quickly dissipate heat of the heat dissipation block 32 and the laser light source 31; an air inlet 221 is formed in the bottom wall of the first chamber 22 near the second chamber 23 for pumping air near the lower housing 12.

Referring to fig. 2, the galvanometer component 5 includes a mounting plate 51 and two galvanometer motors 52, the mounting bracket is welded on the side wall of the main casing body 2, and is arranged in an inverted L shape, the two galvanometer motors 52 are respectively connected to a side plate of the mounting plate 51 in a clamping manner, so that the rotating shafts of the two galvanometer motors 52 are perpendicular to each other, the lens of one galvanometer motor 52 and the light emitting head of the laser source 31 extending into the second chamber 23 correspond to each other, and the laser light outlet 231 of the main casing body 2 is opened below the lens of the other galvanometer motor 52 and is adjacent to the air inlet 221.

The implementation principle of the quick radiating hand-held type laser marking machine of the embodiment of the application is as follows: when the laser light source device is used, the laser light source 31 generates heat, the generated heat is conducted to the periphery by the heat dissipation block 32 and exchanges heat with air around the heat dissipation block 32, and the heat dissipation fan 4 pumps away the air around the heat dissipation block 32 and discharges the air out of the main casing 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Quick radiating hand-held type laser marking machine, including main casing body (2) and laser source (31) of setting in main casing body (2), its characterized in that: still be provided with radiating block (32) in the main casing body (2), fixed chamber (321) have been seted up on radiating block (32), laser light source (31) set up in fixed chamber (321).

2. The rapid heat dissipation handheld laser marking machine of claim 1, characterized in that: and a heat-conducting silicone grease layer is arranged at the joint of the laser light source (31) and the heat dissipation block (32).

3. The rapid heat dissipation handheld laser marking machine of claim 1, characterized in that: a plurality of radiating grooves (322) are formed in the outer surface of the radiating block (32).

4. The rapid heat dissipation handheld laser marking machine of claim 1, characterized in that: the main shell (2) is also provided with a heat dissipation fan (4).

5. The rapid heat dissipation handheld laser marking machine of claim 4, wherein: the air inlet end of the heat dissipation fan (4) is opposite to the heat dissipation block (32).

6. The rapid heat dissipation handheld laser marking machine of claim 5, wherein: fixed chamber (321) run through radiating block (32), the air inlet end of heat dissipation fan (4) is just right fixed chamber (321) non-light-emitting end sets up.

7. The rapid heat dissipation handheld laser marking machine of claim 4, wherein: the main casing body (2) is provided with an air inlet, and the air inlet is close to a laser light outlet (231) of the main casing body (2).

8. The rapid heat dissipation handheld laser marking machine of claim 1, characterized in that: the heat dissipation block (32) and the main shell (2) are made of copper materials.