Light barrier assembly and laser engraving machine

Abstract

The utility model provides a light barrier assembly and a laser engraving machine. The light barrier assembly comprises an engraving machine body, a laser head and a light barrier. The carving machine main body is supported by a desktop; the laser head is movably connected to the engraving machine body and moves in the left-right direction. The output end of the laser head is used for outputting laser, and the laser head is used for engraving a to-be-engraved part The light barrier is connected to the engraving machine body and arranged on the lower side of the laser head to prevent laser output by the laser head from engraving a table top, so that the laser output by the laser head is prevented from being engraved to the table top, the laser is partially limited through the light barrier, the table top is well protected, and the table top is prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of laser engraving machines, in particular to a light blocking plate component and a laser engraving machine. Background Art

[0002] With the development of science and technology, laser engraving machines are based on CNC technology and use laser as the processing medium. The material melts or vaporizes instantly under the laser irradiation of the engraving machine, so that the laser engraving machine can perform laser engraving on the engraved part under the action of the laser.

[0003] In the prior art, the existing laser engraving machine includes an engraving machine body and a laser head. The engraving machine body is used to be supported by a desktop, and the laser head is connected to the engraving machine body. The output end of the laser head is used to output laser, and the laser head is used to engrave the workpiece to be engraved. However, the laser output by the laser head is easy to engrave onto the desktop, causing the existing laser engraving machine to easily damage the desktop. Utility Model Content

[0004] The utility model aims to provide a light baffle assembly and a laser engraving machine, wherein the engraving machine body is used to be supported by a desktop; the laser head is movably connected to the engraving machine body and moves in the left and right directions; the output end of the laser head is used to output laser, and the laser head is used to engrave a workpiece to be engraved; the light baffle is connected to the engraving machine body, and the light baffle is arranged on the lower side of the laser head to block the laser output by the laser head from engraving the desktop, thereby preventing the laser output by the laser head from engraving the desktop, and then partially restricting the laser through the light baffle, and protecting the desktop, thereby avoiding damage to the desktop.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A light barrier assembly is applied to a laser engraving machine, and the light barrier assembly comprises:

[0007] The engraving machine body is used to be supported by the table;

[0008] A laser head is movably connected to the engraving machine body and moves in the left and right directions; the output end of the laser head is used to output laser light, and the laser head is used to engrave the workpiece to be engraved;

[0009] A light shield is connected to the engraving machine body and is arranged at the lower side of the laser head to block the laser engraving desktop output by the laser head.

[0010] Optionally, the engraving machine body is provided with a supporting portion, and the supporting portion is used to support the workpiece to be engraved;

[0011] The laser head and the light blocking plate are respectively located at the upper side and the lower side of the supporting part.

[0012] Optionally, the light blocking plate is telescopically connected to the engraving machine body and is telescopic in the front-rear direction.

[0013] Optionally, the engraving machine body is provided with a telescopic slot, and the telescopic slot is arranged along the front-to-back direction;

[0014] The light blocking plate is telescopically inserted into the telescopic slot and telescopes relative to the telescopic slot.

[0015] Optionally, the telescopic groove is close to the bottom of the engraving machine body and is recessed in the engraving machine body along the front-to-back direction.

[0016] Optionally, the light blocking plate is connected to a support member, and the support member is located at the bottom of the light blocking plate and contacts the desktop.

[0017] Optionally, the support member is a support column.

[0018] Optionally, a movable seat is provided between the laser head and the engraving machine body, the movable seat is movably mounted on the engraving machine body and moves along the left and right direction, the laser head is connected to the movable seat and its position is adjusted as the movable seat moves.

[0019] Optionally, the laser head can be connected to the movable base in a liftable manner and its position can be adjusted in the up and down directions.

[0020] A laser engraving machine comprises the light baffle assembly.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The utility model provides a light blocking plate assembly and a laser engraving machine, wherein the engraving machine body is used to be supported by a desktop; the laser head is movably connected to the engraving machine body and moves in the left and right directions; the output end of the laser head is used to output laser, and the laser head is used to engrave a piece to be engraved; the light blocking plate is connected to the engraving machine body, and the light blocking plate is arranged on the lower side of the laser head to block the laser output by the laser head from engraving the desktop, so as to avoid the laser output by the laser head from engraving the desktop, and then the laser is partially restricted by the light blocking plate, and the desktop is well protected, so as to avoid damage to the desktop. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0024] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0025] Figure 1 A schematic diagram of a light barrier assembly according to an embodiment of the present application is shown.

[0026] Figure 2 An internal schematic diagram of a light barrier assembly according to an embodiment of the present application is shown.

[0027] Figure 3 An exploded view of a light barrier assembly according to one embodiment of the present application is shown.

[0028] Figure 4 A schematic diagram of the connection between a moving base and a slide rail of a light barrier assembly according to an embodiment of the present application is shown.

[0029] Figure 5 A schematic diagram of a light barrier of a light barrier assembly according to an embodiment of the present application is shown.

[0030] Reference numerals

[0031] 100. Light baffle assembly;

[0032] 10. engraving machine body; 10a. telescopic slot; 11. supporting part;

[0033] 20, laser head; 21, moving seat; 211, clamping member; 211a, clamping groove; 212, roller; 22, motor; 23, transmission module; 24, slide rail;

[0034] 30. Light baffle; 31. Support member. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0036] Please refer to the attached Figures 1 to 5 An embodiment of the present application provides a light baffle assembly 100, which is applied to a laser engraving machine. The light baffle assembly 100 includes an engraving machine body 10, a laser head 20 and a light baffle 30. The laser head 20 is arranged on the outside of the engraving machine body 10, and the light baffle 30 is arranged on the lower side of the laser head 20.

[0037] In the embodiment of the present application, the engraving machine body 10 serves as the supporting part 11 of the light baffle assembly 100. The engraving machine body 10 is used to support the laser head 20 and the light baffle 30. The engraving machine body 10 is used to be supported by the desktop so that the engraving machine body 10 is fixed to the upper surface of the desktop.

[0038] In the embodiment of the present application, the laser head 20 is arranged on the outside of the engraving machine body 10, and the laser head 20 is movably connected to the engraving machine body 10 and moves in the left and right directions to adjust the position of the laser head 20 relative to the engraving machine body 10; the output end of the laser head 20 is used to output laser, and the laser head 20 is used to engrave the workpiece to be engraved, so that the laser head 20 can engrave different positions of the workpiece to be engraved during the movement.

[0039] In the embodiment of the present application, the light baffle 30 is connected to the engraving machine body 10, and the light baffle 30 is arranged on the lower side of the laser head 20 to block the laser engraving table output by the laser head 20, thereby preventing the laser output by the laser head 20 from engraving on the table top, and then partially restricting the laser through the light baffle 30, and protecting the table top, thereby avoiding damage to the table top.

[0040] The engraving machine body 10 is provided with a supporting part 11, which is used to support the workpiece to be engraved, so that the engraving machine body 10 can fix the workpiece to be engraved through the supporting part 11, thereby ensuring the position accuracy of the workpiece to be engraved and improving the engraving effect of the laser head 20 on the workpiece to be engraved; the laser head 20 and the light baffle 30 are respectively located on the upper and lower sides of the supporting part 11, so that the laser output by the laser head 20 can be output from top to bottom to the light baffle 30.

[0041] The light baffle 30 is telescopically connected to the engraving machine body 10 and is telescopic in the front-rear direction to adjust the position of the light baffle 30 relative to the engraving machine body 10. When the laser head 20 is in working condition, the light baffle 30 extends out of the engraving machine body 10 to block the laser output by the laser head 20 from engraving the desktop, thereby preventing the laser output by the laser head 20 from engraving the desktop, and then partially restricting the laser through the light baffle 30, and protecting the desktop to avoid damage to the desktop. When the laser head 20 is in non-working condition, the light baffle 30 retracts into the engraving machine body 10 to reduce the occupied area of ​​the engraving machine body 10, thereby facilitating the storage and placement of the engraving machine body 10.

[0042] The engraving machine body 10 is provided with a telescopic slot 10a, which is arranged along the front-to-back direction; the light baffle 30 can be telescopically inserted into the telescopic slot 10a, and telescope relative to the telescopic slot 10a, so as to facilitate the adjustment of the position of the light baffle 30 relative to the telescopic slot, thereby facilitating the light baffle 30 to be telescoped relative to the engraving machine body 10 through the telescopic slot 10a, and then facilitating the adjustment of the position of the light baffle 30 relative to the engraving machine body 10.

[0043] The telescopic groove 10a is close to the bottom of the engraving machine body 10 and is recessed in the engraving machine body 10 along the front-to-back direction. The inner contour of the telescopic groove 10a is adapted to the outer contour of the light baffle 30, and the gap between the inner contour of the telescopic groove 10a and the outer contour of the light baffle 30 is matched, so that the light baffle 30 can be telescoped relative to the telescopic groove 10a through the gap.

[0044] The light baffle 30 is connected to a support member 31, which is located at the bottom of the light baffle 30 and contacts the desktop, so that the support member 31 supports the light baffle 30, thereby facilitating the light baffle 30 to maintain a horizontal state, avoiding deformation of the light baffle 30, and preventing the light baffle 30 from being unable to extend or retract relative to the engraving machine body 10. Optionally, the support member 31 is a support column.

[0045] A movable seat 21 is provided between the laser head 20 and the engraving machine body 10. The movable seat 21 is movably installed on the engraving machine body 10 and moves along the left and right direction to adjust the position of the movable seat 21 relative to the engraving machine body 10. The laser head 20 is connected to the movable seat 21 and its position is adjusted as the movable seat 21 moves, so that the laser head 20 can be moved relative to the engraving machine body 10 through the movable seat 21, thereby facilitating the adjustment of the position of the laser head 20.

[0046] A motor 22 and a transmission module 23 are provided between the moving seat 21 and the engraving machine body 10. The fixed end of the motor 22 is connected to the engraving machine body 10, and the output end of the motor 22 is connected to the transmission module 23, and drives the ring part in the transmission module 23 to rotate along the left and right directions; the moving seat 21 is connected to the ring part, and moves along the left and right directions with the rotation of the ring part, so that the moving seat 21 can be realized relative to the engraving machine body 10 through the motor 22 and the transmission module 23, thereby facilitating the automatic movement of the moving seat 21.

[0047] At this time, when the transmission module 23 is a synchronous belt transmission module 23, the annular member is a synchronous belt, and the transmission module 23 includes two synchronous wheels, and the two synchronous wheels are arranged at intervals along the length direction of the engraving machine body 10. The annular member is sleeved on the two synchronous wheels, and a synchronous wheel is connected to the output end of the motor 22, so that the motor 22 can drive a synchronous wheel to rotate under the action of the drive, so that the annular member can rotate with the rotation of the synchronous wheel, and then the movable seat 21 can move with the rotation of the annular member.

[0048] Alternatively, when the transmission module 23 is a chain transmission module 23, the annular member is a chain, and the transmission module 23 includes two sprockets, which are arranged at intervals along the length direction of the engraving machine body 10, and the annular member is sleeved on the two sprockets, and one sprocket is connected to the output end of the motor 22, so that the motor 22 can drive a sprocket to rotate under the driving action, so that the annular member can rotate with the rotation of the sprocket, and then the movable seat 21 can move with the rotation of the annular member.

[0049] Alternatively, when the transmission module 23 is a belt transmission module 23, the annular member is a belt, and the transmission module 23 includes two pulleys, which are arranged at intervals along the length direction of the engraving machine body 10, and the annular member is sleeved on the two pulleys, and one pulley is connected to the output end of the motor 22, so that the motor 22 drives a pulley to rotate under the driving action, so that the annular member rotates with the rotation of the pulley, and then the movable seat 21 moves with the rotation of the annular member.

[0050] Among them, the movable seat 21 is connected to a clamping member 211, the fixed end of the clamping member 211 is connected to the movable seat 21, and the clamping end of the clamping member 211 clamps a position in the annular member so that the movable seat 21 can be fixedly connected relative to the annular member through the clamping member 211. The clamping member 211 is provided with a clamping groove 211a, and the annular member is inserted into the clamping groove 211a to realize the fixed connection between the clamping member 211 and the annular member.

[0051] In addition, the movable seat 21 is connected to a roller 212, which is rotatably connected to the movable seat 21 to adjust the position of the roller 212 relative to the movable seat 21. The roller 212 rolls relative to the engraving machine body 10 to improve the movement stability of the movable seat 21 relative to the engraving machine body 10.

[0052] In the embodiment of the present application, the laser head 20 can be connected to the movable base 21 in a liftable manner and can be adjusted in the up and down directions to facilitate the adjustment of the position of the laser head 20 relative to the movable base 21, thereby facilitating the adjustment of the height position of the laser head 20, and further facilitating the laser head 20 to laser engrave the workpieces to be engraved at different heights.

[0053] At this time, a slide rail 24 is provided between the laser head 20 and the moving seat 21. The slide rail 24 is arranged in the vertical direction. The fixed end of the slide rail 24 is connected to the moving seat 21, and the moving end of the slide rail 24 is connected to the laser head 20, and drives the laser head 20 to rise and fall, so that the laser head 20 can be raised and lowered relative to the moving seat 21 through the slide rail 24.

[0054] In another embodiment, a laser engraving machine includes a light barrier assembly 100. The light barrier assembly 100 is a part of the laser engraving machine. The laser engraving machine performs laser engraving on a workpiece under the action of laser.

[0055] Compared with the prior art, the beneficial effects of the utility model are:

[0056] The utility model provides a light baffle assembly 100 and a laser engraving machine, wherein the engraving machine body 10 is used to be supported by a desktop; the laser head 20 is movably connected to the engraving machine body 10 and moves in the left and right directions; the output end of the laser head 20 is used to output laser, and the laser head 20 is used to engrave a workpiece to be engraved; the light baffle 30 is connected to the engraving machine body 10, and the light baffle 30 is arranged on the lower side of the laser head 20 to block the laser output by the laser head 20 from engraving the desktop, thereby preventing the laser output by the laser head 20 from engraving the desktop, and then partially restricting the laser through the light baffle 30, and protecting the desktop, thereby avoiding damage to the desktop.

[0057] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0058] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0059] Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A light barrier assembly, characterized in that: Applied to a laser engraving machine, the light baffle assembly comprises: The engraving machine body is used to be supported by the table; A laser head is movably connected to the engraving machine body and moves in the left and right directions; the output end of the laser head is used to output laser light, and the laser head is used to engrave the workpiece to be engraved; A light shield is connected to the engraving machine body and is arranged at the lower side of the laser head to block the laser engraving desktop output by the laser head.

2. The light barrier assembly according to claim 1, characterized in that: The engraving machine body is provided with a supporting part, and the supporting part is used to support the workpiece to be engraved; The laser head and the light blocking plate are respectively located at the upper side and the lower side of the supporting part.

3. The light barrier assembly according to claim 1, wherein: The light blocking plate is telescopically connected to the engraving machine body and is telescopic in the front-rear direction.

4. The light barrier assembly according to claim 3, characterized in that: The engraving machine body is provided with a telescopic slot, and the telescopic slot is arranged along the front-back direction; The light blocking plate is telescopically inserted into the telescopic slot and telescopes relative to the telescopic slot.

5. The light barrier assembly according to claim 4, characterized in that: The telescopic groove is close to the bottom of the engraving machine body and is recessed in the engraving machine body along the front-rear direction.

6. The light barrier assembly according to claim 3, characterized in that: The light blocking plate is connected with a supporting member, and the supporting member is located at the bottom of the light blocking plate and contacts the desktop.

7. The light barrier assembly according to claim 6, wherein: The supporting member is a supporting column.

8. The light barrier assembly according to claim 1, wherein: A movable seat is provided between the laser head and the engraving machine body. The movable seat is movably mounted on the engraving machine body and moves along the left and right directions. The laser head is connected to the movable seat and its position is adjusted as the movable seat moves.

9. The light barrier assembly according to claim 8, characterized in that: The laser head is connected to the movable seat in a liftable manner and can be adjusted in position along the up and down directions.

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

Images