Laser engraving device and laser engraving machine

Abstract

The utility model relates to the technical field of laser engraving equipment, in particular to a laser engraving device which comprises a frame, a lifting mechanism, a moving mechanism and a galvanometer assembly. The inner side of the frame is provided with a moving space for accommodating workpieces; the lifting mechanism is connected to the frame and arranged on the outer side of the activity space; the moving mechanism comprises a mounting frame and a moving assembly, the mounting frame is movably arranged in the moving space and connected to the lifting mechanism, and the moving assembly is arranged on the mounting frame; the lifting mechanism is used for driving the mounting frame to lift and move; the moving assembly is used for driving the mounting frame to move in the moving space; the galvanometer assembly is connected to the moving assembly. According to the laser engraving device, the lifting mechanism is arranged on the outer side of the moving space of the frame, and compared with a traditional laser engraving machine, the laser engraving device can avoid occupying the moving space of the galvanometer assembly, so that the overall structure of the laser engraving device is more compact, and the occupied space is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of laser engraving equipment, in particular to a laser engraving device and a laser engraving machine. Background Art

[0002] Traditional laser engraving machines usually use a planar gantry structure as the basic frame, in which the laser head moves linearly along the X-axis and Y-axis through a linear motion mechanism to achieve engraving operations within the plane. Although this design has a large engraving range, its efficiency is relatively low, and laser engraving machines are gradually developing towards miniaturization. The transmission mechanism of existing laser engraving machines occupies a large space.

[0003] Therefore, it is necessary to make improvements to the above problems in order to change the current situation. Utility Model Content

[0004] The utility model provides a laser engraving device and a laser engraving machine, which are used to solve the problem that the transmission mechanism of the laser engraving machine in the prior art occupies a large space.

[0005] The utility model provides a laser engraving device, comprising:

[0006] A frame, the inner side of which is provided with a movable space for accommodating a workpiece;

[0007] A lifting mechanism connected to the frame and arranged outside the activity space;

[0008] A moving mechanism, comprising a mounting frame and a moving assembly, wherein the mounting frame is movably disposed in the activity space, and the mounting frame is connected to the lifting mechanism, and the moving assembly is disposed on the mounting frame; the lifting mechanism is used to drive the mounting frame to move up and down, and the moving assembly is used to drive the mounting frame to move in the activity space; and

[0009] The galvanometer component is connected to the moving component.

[0010] According to one embodiment of the utility model, the lifting mechanism includes a lifting motor, a lifting screw and a lifting moving part, the lifting motor is connected to the frame and is arranged outside the activity space, the lifting screw is connected to the output end of the lifting motor, the lifting moving part is transmission-connected to the lifting screw, and the mounting frame is connected to the lifting moving part.

[0011] According to one embodiment of the utility model, the lifting and moving part includes a lifting transmission part and a lifting installation part, the lifting transmission part is detachably connected to the lifting installation part, and the lifting transmission part is transmission-connected to the lifting screw rod; the frame is provided with a movable groove connected to the movable space, the lifting installation part can be movably accommodated in the movable groove and connected to the mounting frame; the lifting mechanism also includes a lifting guide rod, the lifting guide rod is connected to the frame and arranged parallel to the lifting screw rod, and the lifting installation part is slidingly matched with the lifting guide rod.

[0012] According to an embodiment of the utility model, the lifting mechanism further includes a lifting induction switch, the lifting induction switch is connected to the frame, and the lifting induction switch is used to contact the lifting moving part.

[0013] According to an embodiment of the present invention, the number of the lifting induction switches is at least two, wherein the two induction switches are respectively arranged at two opposite ends of the moving path of the lifting moving member along the moving path of the lifting moving member.

[0014] According to one embodiment of the utility model, the moving assembly includes a moving motor, a moving screw and a moving transmission block, the moving motor is arranged on the mounting frame, the moving screw is connected to the output end of the moving motor, the moving transmission block is connected to the galvanometer assembly, and the moving transmission block is transmission-connected to the moving screw.

[0015] According to an embodiment of the utility model, the moving assembly further comprises a moving guide rail and a moving slider, the moving guide rail is connected to the mounting frame, the moving slider is slidably matched with the moving guide rail, and the galvanometer assembly is connected to the moving slider.

[0016] According to one embodiment of the utility model, the moving mechanism also includes a moving sensing switch and a sensing guide rod, one end of the sensing guide rod is connected to the galvanometer assembly, and the moving sensing switch is connected to the mounting frame; on the moving path of the galvanometer assembly, the other end of the sensing guide rod is used to contact the moving sensing switch.

[0017] According to one embodiment of the utility model, the galvanometer assembly includes a galvanometer scanner and a laser, the galvanometer scanner is arranged downstream of the laser, and the galvanometer scanner is used to drive the laser emitted by the laser to swing and scan relative to the laser.

[0018] The utility model also provides a laser engraving machine, comprising the laser engraving device as described in any one of the above items.

[0019] Implementing the embodiments of the utility model has the following beneficial effects:

[0020] In the laser engraving device of this embodiment, by arranging the lifting mechanism outside the active space of the frame, compared with the traditional laser engraving machine, it can avoid occupying the active space of the galvanometer assembly, so that the overall structure of the laser engraving device is more compact and the occupied space is optimized. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] in:

[0023] Figure 1 is a three-dimensional view of a laser engraving device in an embodiment of the utility model;

[0024] Figure 2 It is a partial structure enlarged schematic diagram of the laser engraving device in the embodiment of the utility model;

[0025] Figure 3 It is a structural schematic diagram of a galvanometer assembly in an embodiment of the utility model;

[0026] Reference numerals:

[0027] 10. Laser engraving device;

[0028] 100, frame; 110, side plate; 111, moving groove; 120, bottom plate;

[0029] 200, lifting mechanism; 210, lifting motor; 220, lifting screw rod; 230, lifting moving part; 231, lifting transmission part; 232, lifting installation part; 240, lifting guide rod; 250, lifting induction switch;

[0030] 300, moving mechanism; 310, mounting frame; 320, moving assembly; 321, moving motor; 322, moving lead screw; 323, moving transmission block; 324, moving guide rail; 325, moving slider; 326, moving induction switch; 327, induction guide rod;

[0031] 400, galvanometer assembly; 410, galvanometer scanner; 420, laser. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are 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.

[0033] See also Figures 1 to 3 As shown, an embodiment of the utility model provides a laser engraving device 10, which includes a frame 100, a lifting mechanism 200, a moving mechanism 300 and a galvanometer assembly 400; an activity space for accommodating workpieces is provided on the inner side of the frame 100; the lifting mechanism 200 is connected to the frame 100 and is arranged outside the activity space; the moving mechanism 300 includes a mounting frame 310 and a moving assembly 320, the mounting frame 310 can be movably arranged in the activity space, and the mounting frame 310 is connected to the lifting mechanism 200, and the moving assembly 320 is arranged on the mounting frame 310; the lifting mechanism 200 is used to drive the mounting frame 310 to lift and move, and the moving assembly 320 is used to drive the mounting frame 310 to move in the activity space; the galvanometer assembly 400 is connected to the moving assembly 320.

[0034] In the laser engraving device 10 of this embodiment, by arranging the lifting mechanism 200 outside the activity space of the frame 100, compared with the traditional laser engraving machine, it can avoid occupying the activity space of the galvanometer assembly 400, so that the overall structure of the laser engraving device 10 is more compact and the occupied space is optimized.

[0035] Specifically, see Figure 1 As shown, the frame 100 includes at least two side panels 110 and a bottom panel 120. The side panels 110 are spaced apart and connected to the bottom panel 120 to enclose an activity space. At this time, by arranging the lifting mechanism 200 on the outside of the side panels 110, it is possible to avoid the lifting mechanism 200 occupying the activity space, so that the overall structure of the laser engraving device 10 is compact. Of course, in a preferred embodiment, the lifting mechanism 200 can be arranged inside the side panels 110 to protect the lifting mechanism 200 and realize the functions of dust and collision prevention.

[0036] See also Figure 1 and Figure 2 As shown, in one embodiment, the lifting mechanism 200 includes a lifting motor 210, a lifting screw rod 220 and a lifting moving part 230. The lifting motor 210 is connected to the frame 100 and is arranged outside the activity space. The lifting screw rod 220 is connected to the output end of the lifting motor 210. The lifting moving part 230 is transmission-connected to the lifting screw rod 220, and the mounting frame 310 is connected to the lifting moving part 230.

[0037] In this embodiment, the lifting motor 210 can be started to drive the lifting screw 220 to rotate, and the lifting moving part 230 can be driven to rise and fall through the transmission connection between the lifting screw 220 and the lifting moving part 230. At this time, since the lifting moving part 230 is connected to the mounting frame 310, the moving mechanism 300 can be driven to rise and fall to adjust the height of the galvanometer assembly 400.

[0038] Furthermore, the lifting moving part 230 includes a lifting transmission part 231 and a lifting installation part 232, the lifting transmission part 231 is detachably connected to the lifting installation part 232, and the lifting transmission part 231 is transmission-connected to the lifting screw rod 220; the frame 100 is provided with a movable groove 111 connected to the activity space, the lifting installation part 232 can be movably accommodated in the movable groove 111 and connected to the mounting frame 310; the lifting mechanism 200 also includes a lifting guide rod 240, the lifting guide rod 240 is connected to the frame 100 and is arranged parallel to the lifting screw rod 220, and the lifting installation part 232 is slidingly matched with the lifting guide rod 240.

[0039] It can be understood that, due to the transmission connection between the lifting transmission part 231 and the lifting screw rod 220, the lifting transmission part 231 is a vulnerable structure during the operation of the laser engraving device 10. When the lifting transmission part 231 needs to be replaced and maintained, only the lifting transmission part 231 can be removed for replacement, and there is no need to replace the overall structure of the lifting moving part 230, so as to reduce maintenance costs; by arranging a lifting guide rod 240 on the frame 100 to cooperate with the lifting installation part 232, the movement of the lifting installation part 232 can be guided to improve the smoothness and stability of the lifting mechanism 200; at the same time, by arranging a moving groove 111 on the side plate 110 to cooperate with the lifting installation part 232, the movement of the lifting installation part 232 can be further guided.

[0040] In one embodiment, the lifting mechanism 200 further includes a lifting sensor switch 250 . The lifting sensor switch 250 is connected to the frame 100 , and the lifting sensor switch 250 is used to contact the lifting moving member 230 .

[0041] Thus, when the lifting moving member 230 moves along the axial direction of the lifting screw 220, once the lifting moving member 230 moves to the end of the path on the lifting screw 220, the lifting moving member 230 will contact the lifting sensing switch 250, and the lifting sensing switch 250 can obtain the position signal of the lifting moving member 230. In a preferred embodiment, the laser engraving device 10 also includes a control module, which is respectively connected to the lifting mechanism 200 and the moving mechanism 300 by signal to electrically control the two. Specifically, the control module can be, but is not limited to, various PLCs (Programmable Logic Controllers, full name Programmable Logic Controller), STM32 (STM32 microcontroller, a 32-bit microcontroller with ARM Cortex-M core), single-chip microcomputers, FPGAs (Field Programmable Gate Arrays, full name Field Programmable Gate Array), ARMs (ARM processors, full name Advanced RISC Machine), etc., which are arranged inside the device to directly control the device and obtain the operating status of the device.

[0042] Furthermore, the number of the lifting sensing switches 250 is at least two, wherein the two sensing switches are respectively disposed at two opposite ends of the moving path of the lifting moving member 230 along the moving path of the lifting moving member 230 .

[0043] By respectively setting a lifting induction switch 250 at the end of the moving path of the lifting moving member 230, when the lifting moving member 230 moves to the top or the bottom, there is a lifting induction switch 250 that cooperates with the lifting moving member 230 to realize the detection function.

[0044] Specifically, see Figure 3 As shown, the moving assembly 320 includes a moving motor 321, a moving screw rod 322 and a moving transmission block 323. The moving motor 321 is arranged on the mounting frame 310, the moving screw rod 322 is connected to the output end of the moving motor 321, the moving transmission block 323 is connected to the galvanometer assembly 400, and the moving transmission block 323 is transmission-connected to the moving screw rod 322.

[0045] According to this arrangement, when the moving motor 321 is started, it can drive the moving screw 322 to rotate. At this time, through the transmission cooperation between the moving screw 322 and the moving transmission block 323, the moving transmission block 323 can be driven along the axial direction of the moving screw 322 to drive the galvanometer assembly 400 to move, so as to adjust the position of the galvanometer assembly 400 in the activity space.

[0046] Furthermore, the moving assembly 320 also includes a moving rail 324 and a moving slider 325 . The moving rail 324 is connected to the mounting frame 310 . The moving slider 325 is slidably matched with the moving rail 324 . The galvanometer assembly 400 is connected to the moving slider 325 .

[0047] In this embodiment, by providing a movable guide rail 324 and a movable slider 325 to cooperate with each other to guide the movement of the movable transmission block 323, the smoothness of movement of the movable transmission block 323 can be effectively improved, thereby improving the smoothness of movement of the galvanometer assembly 400, so as to improve the laser cutting accuracy of the laser engraving device 10. In other embodiments, a combined structure of an optical axis and a linear bearing can also be used between the movable transmission block 323 and the mounting frame 310 to realize the guiding function, which is not limited here.

[0048] Furthermore, the moving mechanism 300 also includes a moving sensing switch 326 and a sensing guide rod 327, one end of the sensing guide rod 327 is connected to the galvanometer assembly 400, and the moving sensing switch 326 is connected to the mounting bracket 310; on the moving path of the galvanometer assembly 400, the other end of the sensing guide rod 327 is used to contact the moving sensing switch 326.

[0049] Thus, when the galvanometer assembly 400 moves to the end of the path on the mounting frame 310, the sensing guide rod 327 provided on the galvanometer assembly 400 can contact the moving sensing switch 326, so as to obtain the position signal of the galvanometer assembly 400 through the cooperation of the moving sensing switch 326 and the sensing guide rod 327; in a preferred embodiment, the sensing guide rod 327 and the galvanometer assembly 400 are combined in a detachable connection manner to facilitate the replacement of the sensing guide rod 327, so that sensing guide rods 327 of different specifications can be used according to the structure of different galvanometer assemblies 400, or the sensing guide rod 327 can be disassembled and replaced when it is worn.

[0050] Specifically, the galvanometer assembly 400 includes a galvanometer scanner 410 and a laser 420 . The galvanometer scanner 410 is disposed downstream of the laser 420 , and the galvanometer scanner 410 is used to drive the laser light emitted by the laser 420 to swing and scan relative to the laser 420 .

[0051] In this embodiment, the laser 420 is used to emit an engraving laser beam, and the galvanometer scanner 410 is used to drive the laser beam emitted by the laser 420 to swing relative to the laser engraving device 10 to achieve the scanning function of the galvanometer assembly 400 .

[0052] The utility model also provides a laser engraving machine, which comprises the laser engraving device 10 in any one of the above embodiments.

[0053] It can be understood that, in the laser engraving machine of the present embodiment, by setting the laser engraving device 10 in any one of the above embodiments, the laser engraving device 10 of the present embodiment can avoid occupying the activity space of the galvanometer assembly 400 by setting the lifting mechanism 200 outside the activity space of the frame 100, compared with the traditional laser engraving machine, so that the overall structure of the laser engraving device 10 is more compact, the occupied space is optimized, and the laser engraving machine has a more compact structure.

[0054] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0055] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0056] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0057] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A laser engraving device, characterized in that: include: A frame, the inner side of which is provided with a movable space for accommodating a workpiece; A lifting mechanism connected to the frame and arranged outside the activity space; The moving mechanism comprises a mounting frame and a moving assembly, wherein the mounting frame is movably arranged in the activity space, and the mounting frame is connected to the lifting mechanism, and the moving assembly is arranged on the mounting frame; the lifting mechanism is used to drive the mounting frame to move up and down, and the moving assembly is used to drive the mounting frame to move in the activity space; as well as The galvanometer component is connected to the moving component.

2. The laser engraving device according to claim 1, characterized in that: The lifting mechanism includes a lifting motor, a lifting screw and a lifting moving part. The lifting motor is connected to the frame and arranged outside the activity space. The lifting screw is connected to the output end of the lifting motor. The lifting moving part is transmission-connected to the lifting screw, and the mounting frame is connected to the lifting moving part.

3. The laser engraving device according to claim 2, characterized in that: The lifting moving part includes a lifting transmission part and a lifting installation part, the lifting transmission part is detachably connected to the lifting installation part, and the lifting transmission part is drivingly connected to the lifting screw rod; the frame is provided with a movable groove connected to the activity space, the lifting installation part can be movably accommodated in the movable groove and connected to the mounting frame; the lifting mechanism also includes a lifting guide rod, the lifting guide rod is connected to the frame and arranged parallel to the lifting screw rod, and the lifting installation part is slidingly matched with the lifting guide rod.

4. The laser engraving device according to claim 2, characterized in that: The lifting mechanism further comprises a lifting induction switch, which is connected to the frame and is used for contacting the lifting moving part.

5. The laser engraving device according to claim 4, characterized in that: The number of the lifting induction switches is at least two, wherein the two induction switches are respectively arranged at two opposite ends of the moving path of the lifting moving member along the moving path of the lifting moving member.

6. The laser engraving device according to claim 1, characterized in that: The moving assembly includes a moving motor, a moving lead screw and a moving transmission block. The moving motor is arranged on the mounting frame. The moving lead screw is connected to the output end of the moving motor. The moving transmission block is connected to the galvanometer assembly, and the moving transmission block is transmission-connected to the moving lead screw.

7. The laser engraving device according to claim 6, characterized in that: The moving assembly further comprises a moving guide rail and a moving slider, wherein the moving guide rail is connected to the mounting frame, the moving slider is slidably matched with the moving guide rail, and the galvanometer assembly is connected to the moving slider.

8. The laser engraving device according to claim 6, characterized in that: The moving mechanism also includes a moving sensing switch and a sensing guide rod, one end of the sensing guide rod is connected to the galvanometer assembly, and the moving sensing switch is connected to the mounting frame; on the moving path of the galvanometer assembly, the other end of the sensing guide rod is used to contact the moving sensing switch.

9. The laser engraving device according to claim 1, characterized in that: The galvanometer assembly includes a galvanometer scanner and a laser. The galvanometer scanner is arranged downstream of the laser, and the galvanometer scanner is used to drive the laser light emitted by the laser to scan along a swing relative to the laser.

10. A laser engraving machine, characterized in that: The invention comprises a laser engraving device as claimed in any one of claims 1 to 9.

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