CN111545925A

CN111545925A - Handheld laser marking machine

Info

Publication number: CN111545925A
Application number: CN202010528950.7A
Authority: CN
Inventors: 张嘉声
Original assignee: Guangzhou Xiangsheng Intelligent Technology Co ltd
Current assignee: Guangzhou Xiangsheng Intelligent Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-08-18

Abstract

The invention provides a handheld laser marking machine, which comprises a shell, an isolator, a photoelectric switch, a galvanometer component, a field lens and a focusing block, wherein the isolator, the photoelectric switch, the galvanometer component and the field lens are arranged in the 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 shell through the switch groove; beat mark portion and include that a mirror subassembly that shakes holds chamber and a field lens hole, the mirror that shakes hold the chamber with field lens hole intercommunication, the field lens hole is installed in the field lens hole.

Description

Handheld laser marking machine

Technical Field

The invention relates to the technical field of laser marking, in particular to a handheld laser marking machine.

Background

The laser marking machine is used for marking permanent marks on the surfaces of various different substances by using laser beams, and is applied to electronic components, integrated circuits, electricians and electrical appliances, mobile phone communication, hardware products, tool accessories, precision instruments, glasses, clocks, jewelry, auto parts, plastic keys, building materials, PVC pipes and the like; the existing handheld laser marking machine is large in marking head size and heavy in weight, needs an operator to hold the marking head by two hands to mark an article, is inconvenient to operate, is easy to cause fatigue of the operator, and needs a movable small laser marking machine capable of being operated by one hand.

Disclosure of Invention

In view of the above, the present invention provides a handheld laser marking machine, which is small in size, convenient to use, and high in marking accuracy.

Preferably, the isolator includes a light-emitting portion, a square middle portion and a rear end portion, a first positioning groove and a second positioning groove are disposed in the isolator accommodating cavity, the light-emitting portion is accommodated in the first positioning groove, and the rear end portion is accommodated in the second positioning groove.

Preferably, one end of the handle part, which is connected with the marking part, is also provided with an isolator front end fixing block, and the isolator is fixedly connected to one side of the light inlet of the galvanometer component through the isolator front end fixing block.

Preferably, the piece of focusing is the ducted body, should focus the piece include with a cavity top surface that the casing is connected, a cavity bottom surface relative with this cavity top surface and be located the cavity top surface with side between the cavity bottom surface, should focus the piece and connect one side that marking portion is close to the field lens, this laser marking focus the piece highly with the focus matching that the field lens was preset, the laser that handheld laser marking machine sent is in behind the field lens the cavity bottom surface focus of focusing the piece, the marking focus of laser marking machine is preset, should focus the piece and regard as the standard customization size with marking focus, realizes quick focus, improves accurate marking degree, and simultaneously, this focus piece is demountable installation, when laser marking machine changes the focus, only need change focus the piece and just can realize the adaptation, promotes the commonality of this laser marking machine.

Preferably, the area of the hollow bottom surface of the focusing block is larger than that of the hollow top surface.

Preferably, the focusing block is in a cuboid shape, the side surface of the focusing block between the hollow top surface and the hollow bottom surface is divided into four surfaces, one surface close to the laser beam is an inclined surface, the inclined surface and the hollow bottom surface form an inclined angle range of 70-85 degrees, and the inclined surface prevents the laser beam from exceeding the limited range of the hollow bottom surface of the focusing block during operation to cause marking error.

Preferably, the focusing block is a transparent focusing block or a hollow part is arranged on the side face of the focusing block, the transparent focusing block or the hollow part supports the object marking state when the laser marking machine is used, and marking errors caused by the fact that the projection or the marking surface is uneven when the object marking occurs are prevented.

Preferably, one side of the marking part deviating from the field lens hole is also provided with an indicating lamp hole for installing the marking indicating lamp.

Preferably, the handheld laser marking machine further comprises a cable fixing ring, wherein the cable fixing ring is mounted at one end part, deviating from the marking part, of the handle part and is used for fixing a connecting cable of the handheld laser marking machine and the control host.

Preferably, the switch operation part is a button which is linked with the photoelectric switch and realizes automatic reset through a spring.

Preferably, the laser marking device further comprises a buzzer, wherein the buzzer is arranged on one side, close to the galvanometer component, in the marking part and used for giving an alarm when the laser marking device is abnormal.

According to the handheld laser marking machine provided by the invention, the size of the isolator is reduced, and the isolator can be accommodated in a handle part which is held by a single hand; the mirror subassembly that shakes also designs very little, can hold and hold the intracavity at the mark portion of beating that radial dimension is not more than 10 centimetres, including reasonable modular structure distribution, realize hand-held type laser marking machine, under the circumstances that keeps multiple functional, reduced hand-held laser marking machine's size, promote its use convenience, make this laser marking machine easy to maintain simultaneously, in addition, through the setting to the burnt piece, promote this laser marking machine's marking precision and commonality.

Drawings

FIG. 1 is a three-dimensional view of a hand-held laser marking machine provided by the present invention;

FIG. 2 is a structural view of the A case 1 in FIG. 1;

fig. 3 is an internal structural view of a hidden B casing 2 of the hand-held laser marking machine in fig. 1;

fig. 4 is a structural view of the B case 2 in fig. 1;

FIG. 5 is a structural view of the focusing block 6 in FIG. 1;

FIG. 6 is a structural view of the separator 13 of FIG. 1;

FIG. 7 is a structural view of a separator provided in a second embodiment of the present invention;

fig. 8 is a structural view of a separator provided in a third embodiment of the present invention;

fig. 9 is a structural view of a separator provided in a fourth embodiment of the present invention.

In the figure: 1-A shell, 2-B shell, 3-indicator light, 4-cable fixing ring, 5-switch button, 6-focusing block, 7-field lens, 8-galvanometer component, 9-buzzer, 10-isolator front end fixing block, 11-photoelectric switch, 12-spring, 13-isolator, 131-front end light-out part, 132-square middle part, 133-rear end part, 14-cable fixing ring mounting threaded hole, 15-isolator first positioning groove, 16-isolator second positioning groove, 17-switch groove, 18-photoelectric switch mounting hole and 19-galvanometer component positioning plate.

Detailed Description

The present invention provides a hand-held laser marking machine, which is further described below with reference to the accompanying drawings, wherein the technical scheme and design principle of the present invention are described in detail below only by using an optimized technical scheme.

Referring to fig. 1 to 5, the handheld laser marking machine provided in this embodiment includes a housing, and an isolator 13, an isolator front end fixing block 10, a photoelectric switch 11, a switch button 5 linked with the photoelectric switch, a galvanometer component 8, a field lens 7, an indicator light 3, a buzzer 9, a hollow focusing block, and a cable fixing ring 4 disposed in the housing, and the handheld laser marking machine is connected to a main controller (not shown) through the cable fixing ring in an extending manner.

With reference to fig. 2 and 4, the housing is described in detail, the housing is composed of a housing a 1 and a housing B2, the housing includes a handle portion and a marking portion communicated with the handle portion, in combination with fig. 2, the handle portion of the housing a 1 has an isolator accommodating cavity, the isolator accommodating cavity is provided with a first isolator positioning groove 15 and a second isolator positioning groove, one end of the handle portion departing from the marking portion is provided with a cable fixing ring mounting threaded hole 14, one side of the handle portion close to the marking portion is provided with a switch groove 17, the switch groove 17 is adjacently provided with a photoelectric switch mounting hole 18, the marking portion has a galvanometer assembly accommodating cavity, and the galvanometer assembly accommodating cavity is provided with a galvanometer assembly positioning plate.

Referring to fig. 1, 2 and 3, the front end fixing block 10 of the isolator is disposed between the handle portion and the marking portion, and the isolator 13 is fixedly connected to one side of the light inlet of the galvanometer component through the front end fixing block 10 of the isolator.

Referring to fig. 2, 3, 4, 5 and 6, first, referring to fig. 6, in this embodiment, the isolator 13 includes a front light-emitting portion 131, a square middle portion 132 and a rear end portion 133, the front light-emitting portion 131 is used for connecting to the isolator front end fixing block 10, the rear end portion 133 is used for connecting to the main controller, the front light-emitting portion 131 has a diameter of 19mm and a length of 52.50mm, the square middle portion 132 has a width of 26.50m and a length of 43.50mm, of course, the isolator 13 may have a smaller size to reduce a space required for installation, which is not described herein again, wherein the front light-emitting portion 131 and the rear end portion 133 of the isolator 13 are respectively installed on the first positioning groove 15 and the second positioning groove 16.

The galvanometer component 8 is positioned and installed in the galvanometer component accommodating cavity through the galvanometer component positioning plate 19, the positioning plate 19 is provided with a field lens hole, and the field lens 7 is installed in the field lens hole.

The buzzer 9 is fixedly arranged on one side, close to the galvanometer component 8, in the marking part and used for giving an alarm when the laser marking machine is abnormal.

The switch button 5 is installed on the switch slot 17, the photoelectric switch 11 is installed on the photoelectric switch mounting hole 18, the switch button 5 is linked with the photoelectric switch 11, wherein the switch button 5 realizes automatic reset through the spring 12.

The indicator lamp 3 is installed on an indicator lamp hole in one side face of the top of the marking part.

The cable fixing ring 4 is mounted on the handle portion of the shell through a threaded screw matched with the cable fixing ring mounting threaded hole.

The focusing block 6 is arranged on one side of the marking part close to the field lens.

Referring to fig. 5, in this embodiment, the focusing block 6 is a cuboid, and includes a hollow top surface connected to the housing, a hollow bottom surface opposite to the hollow top surface, and four side surfaces, the focusing block 6 is detachably mounted on one side of the marking portion close to the field lens, since the marking focal length of the laser marking machine is preset, the focusing block takes the marking focal length as a quasi-customized size, the laser emitted by the handheld laser marking machine passes through the field lens and is focused on the hollow bottom surface of the laser marking focusing block, so as to achieve fast focusing and improve marking accuracy, meanwhile, the focusing block is detachably mounted, when the laser marking machine changes focal length, adaptation can be achieved only by replacing the focusing block, so as to improve the universality of the laser marking machine, wherein the area of the hollow bottom surface is larger than that of the hollow top surface, so as to prevent marking errors caused by deviation of the marking from the hollow bottom surface range, in this embodiment, the field lens 7 and the galvanometer component 8 are not located in the middle of the marking body, and the field lens is biased to the top of the marking body, so that the laser beam of the laser marking machine is closer to the top of the marking body, in order to better position the marking center point, one side surface 61 of the four side surfaces, which is close to the field lens, that is, the side surface close to the top is an inclined surface, and the inclined surface and the hollow bottom surface form an inclined angle range of 70-85 degrees; it should be noted that, with reference to fig. 7 and 9, the shape of the focusing block is not limited to a rectangular parallelepiped, but may also be a stage shape, the inclination angle range formed by the side surface of the stage shape and the hollow bottom surface is 70 to 85 degrees, or other shapes such as a triangular prism shape, and the focusing blocks of other shapes are not described herein, and in addition, the focusing block is made of a transparent material, and of course, with reference to fig. 8, the focusing block may also have a hollow on the side surface, and the transparent focusing block or the hollow on the side surface can observe the marking state of the object during the operation of the marking machine, so as to prevent the occurrence of marking errors caused by the protrusion or the uneven marking surface when the object is marked.

The handheld laser marking machine provided by the invention has the characteristics of compact structure, small size, convenience and quickness in use, strong universality and high marking precision.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.

Claims

1. The utility model provides a handheld laser marking machine, its includes a casing and sets up an isolator, a photoelectric switch, a mirror subassembly that shakes, a field lens in the casing, and with a focus piece, its characterized in that of connection can be dismantled to the casing:

the shell comprises a handle part and a marking part communicated with the handle part;

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 shell through the switch groove; beat mark portion and include that a mirror subassembly that shakes holds chamber and a field lens hole, the mirror that shakes hold the chamber with field lens hole intercommunication, the field lens hole is installed in the field lens hole.

2. The hand-held laser marking machine according to claim 1 wherein the isolator includes a light outlet portion, a square central portion and a rear end portion, the isolator receiving cavity having a first detent and a second detent therein, the light outlet portion being received in the first detent and the rear end portion being received in the second detent.

3. The handheld laser marking machine according to claim 1, wherein an isolator front end fixing block is further disposed at an end of the handle portion connected to the marking portion, and the isolator is fixedly connected to one side of the light inlet of the galvanometer assembly through the isolator front end fixing block.

4. The handheld laser marking machine according to claim 1, wherein the focusing block is a hollow body, the focusing block comprises a hollow top surface connected with the housing, a hollow bottom surface opposite to the hollow top surface, and a side surface located between the hollow top surface and the hollow bottom surface, the focusing block is connected to one side of the marking part close to the field lens, the height of the laser marking focusing block matches with a preset focal length of the field lens, and laser emitted by the handheld laser marking machine passes through the field lens and is focused on the hollow bottom surface of the focusing block.

5. The hand-held laser marking machine of claim 2 wherein the area of the hollow bottom surface of the focusing block is greater than the area of the hollow top surface.

6. The handheld laser marking machine according to claim 3, wherein the focusing block is in a shape of a rectangular parallelepiped, and a side surface between the hollow top surface and the hollow bottom surface is divided into four surfaces, wherein a surface close to the laser beam is an inclined surface, and an inclination angle formed by the inclined surface and the hollow bottom surface is in a range of 70 to 85 degrees.

7. The hand-held laser marking machine according to any one of claims 4 to 6, wherein the focusing block is a transparent focusing block or is provided with a hollow on the side.

8. The handheld laser marking machine of claim 1, wherein an indicator light hole for mounting a marking indicator light is further formed in a side surface of the marking portion away from the field lens hole.

9. The handheld laser marking machine of claim 1, further comprising a cable fixing ring, wherein the cable fixing ring is mounted at an end of the handle portion away from the marking portion, and is used for fixing a connecting cable of the handheld laser marking machine and the control host.

10. The hand-held laser marking machine according to claim 1, wherein the switch operating part is a button which is linked with the photoelectric switch and automatically resets through a spring.