Laser engraving machine

Abstract

The utility model relates to the technical field of engraving machines, in particular to a laser engraving machine which not only facilitates feeding and discharging of workpieces and fixation of the workpieces, improves working efficiency, but also avoids damage to eyes or skin of operators caused by light beams emitted during laser engraving, and protects body health of workers. Comprising a workbench, the bottom end of the workbench is connected with the ground, and the front and rear sides of the workbench are connected with conveying belts; the carving machine further comprises a fixing mechanism, a traction mechanism, an operating mechanism, an adjusting mechanism and a carving mechanism, the fixing mechanism is installed on the workbench and fixes the workpiece, the traction mechanism is installed on the fixing mechanism and drags the workpiece to move, and the operating mechanism is installed on the workbench and controls the carving process conveniently. The adjusting mechanism is installed on the operating mechanism and drives the carving mechanism to move left and right, and the carving mechanism is installed on the adjusting mechanism and carves a workpiece.

Description

Technical Field

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

[0002] Laser engraving machines can improve the engraving efficiency, make the surface of the engraved part smooth and round, quickly reduce the temperature of non-metallic materials to be engraved, and reduce the deformation and internal stress of the object to be engraved.

[0003] For an existing laser engraving machine, such as a laser engraving machine disclosed in the utility model patent with the application number 202322678882.4, its main structure includes a bracket. A base is fixedly arranged on the lower end surface of the bracket, an air tank is fixedly arranged on the upper end surface of the bracket, an air inlet is fixedly connected to one side of the air tank, two air pipes are fixedly connected to one end of the outer side wall of the air tank far away from the air inlet, a support plate is fixedly connected to one side of the outer side wall of the bracket, a laser generator is fixedly arranged on the upper end surface of the support plate, a receiving plate is fixedly connected to one side of the outer side wall of the bracket far away from the support plate, a motor box is fixedly connected to one side of the receiving plate through two connecting columns, a motor is fixedly arranged on the inner bottom end surface of the motor box, and a transmission rod is fixedly connected to the output end of the motor; during use, the motor drives the transmission rod, thereby driving the sliding block to slide on the transmission rod, so that the processing plate can move to a more convenient position for engraving. By setting a scale, the device can move to a more accurate position for processing.

[0004] However, laser beams will be generated during the working process of laser engraving machines, and the beams may cause eye or skin damage to operators. Moreover, most of the existing engraving machines still require manual loading and fixing of workpieces, resulting in low work efficiency. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a laser engraving machine that not only facilitates the loading and unloading of workpieces and the fixing of workpieces, improves work efficiency, but also avoids eye or skin damage to operators caused by the laser beams emitted during laser engraving, and protects the physical health of workers.

[0006] A laser engraving machine of the present utility model includes a workbench, the bottom end of the workbench is connected to the ground, and both the front and rear sides of the workbench are connected to conveyer belts; it further includes a fixing mechanism, a traction mechanism, an operating mechanism, an adjusting mechanism and an engraving mechanism. The fixing mechanism is installed on the workbench and fixes the workpiece. The traction mechanism is installed on the fixing mechanism and pulls the workpiece to move. The operating mechanism is installed on the workbench and facilitates the control of the engraving process. The adjusting mechanism is installed on the operating mechanism and drives the engraving mechanism to move left and right. The engraving mechanism is installed on the adjusting mechanism and engraves the workpiece; the conveyer belt conveys the workpiece to the fixing mechanism. The traction mechanism is started to pull the fixing mechanism, so that the fixing mechanism and the operating mechanism cooperate to form a closed space. At the same time, the fixing mechanism and the operating mechanism fix the workpiece. Then, the adjusting mechanism and the engraving mechanism cooperate to adjust the position, facilitating the engraving mechanism to engrave the workpiece and preventing the light beam from causing eye or skin damage to the operator. After engraving is completed, the traction mechanism drives the fixing mechanism to continue to convey forward, and the fixing mechanism conveys the engraved workpiece to the conveyer belt on the other side.

[0007] Preferably, the fixing mechanism includes a vehicle body, wheels, two sets of traction buckles, a servo motor I, a rotating shaft, a tray, two sets of electric cylinders I and a clamping plate I. A sliding groove is formed on the workbench, and the vehicle body is slidably installed in the sliding groove of the workbench. Four sets of wheels are rotatably installed on the vehicle body. Two sets of traction buckles are installed on the vehicle body. The servo motor I is installed on the vehicle body. The rotating shaft is rotatably installed on the vehicle body. The bottom end of the tray is connected to the top end of the rotating shaft. There is an opening on the tray. Two sets of electric cylinders I are installed on the tray. The clamping plate I is installed on the two sets of electric cylinders I; the opening of the tray is connected to the conveyer belt, and the conveyer belt conveys the workpiece to the tray. The traction mechanism pulls the traction buckle, and the traction buckle drives the vehicle body and the four sets of wheels to move. When the tray leaves the conveyer belt, the servo motor I is started to drive the rotating shaft to rotate, and the rotating shaft drives the tray to rotate 90°, so that the tray fits with the operating mechanism. The two sets of electric cylinders I push the clamping plate I, and the clamping plate I cooperates with the operating mechanism to fix and clamp the workpiece. After engraving is completed, the traction mechanism pulls the fixing mechanism to continue to move forward, the servo motor I drives the rotating shaft to drive the tray to continue to rotate 90°, and the two sets of electric cylinders I continue to push the workpiece through the clamping plate I to convey the workpiece to the conveyer belt.

[0008] Preferably, the traction mechanism includes a first motor, a first reducer, a first transmission shaft, a transmission wheel, a traction rope, and two sets of guide wheels. The first motor is installed on the workbench, the first reducer is installed on the workbench, the first transmission shaft is rotatably installed on the workbench and longitudinally connected to the first reducer, the transmission wheel is installed on the first transmission shaft, both ends of the traction rope are respectively connected to two sets of traction buckles, both sets of guide wheels are rotatably installed on the workbench, and the traction rope is tensioned and installed between the transmission wheel and the two sets of guide wheels. Start the first motor, the first motor drives the first transmission shaft and the transmission wheel to rotate through the first reducer, the transmission wheel drives the traction rope to rotate, and the traction rope pulls the tray to move into the operating mechanism through the traction buckle. When the engraving is completed, the first motor continues to drive the tray forward to facilitate the movement of the workpiece to the conveyor belt on the other side.

[0009] Preferably, the operating mechanism includes a protective cover, a display screen, an observation window, two sets of second electric cylinders, and second clamping plates. The bottom end of the protective cover is connected to the top end of the workbench. There is a cavity inside the protective cover. The display screen is installed on the protective cover, the observation window is installed on the protective cover, both sets of second electric cylinders are installed in the cavity of the protective cover, and the second clamping plates are installed on the two sets of second electric cylinders. The tray fits tightly with the protective cover, and the two sets of second electric cylinders push the second clamping plates to clamp and fix the workpiece in cooperation with the first clamping plates, preventing the light beam of the engraving mechanism from overflowing. The staff controls the entire engraving process through the display screen, and the staff can observe the engraving process through the observation window.

[0010] Preferably, the observation window is made of lithium molybdate glass; lithium molybdate glass has the characteristics of high transmittance, low refractive index, and small dispersion, preventing the laser from causing harm to the human eye and damaging the equipment, and ensuring personal safety and the normal operation of the equipment.

[0011] Preferably, the adjustment mechanism includes a second servo motor, a double-output shaft reducer, a second transmission shaft, a second reducer, two sets of lead screws, and a moving beam. The second servo motor is installed on the protective cover, the double-output shaft reducer is installed on the protective cover, the second transmission shaft is rotatably installed on the double-output shaft reducer, the second reducer is installed on the protective cover, both sets of lead screws are rotatably installed in the cavity of the protective cover and are respectively longitudinally connected to the double-output shaft reducer and the second reducer, and the moving beam is slidably installed on the two sets of lead screws. Start the second servo motor, the second servo motor drives the second transmission shaft to rotate through the double-output shaft reducer, the second transmission shaft drives the second reducer, the double-output shaft reducer and the second reducer respectively drive the two sets of lead screws to rotate, and the two sets of lead screws drive the moving beam to move back and forth.

[0012] Preferably, the engraving mechanism includes a slider, two motors II, two transmission shafts III, two rollers and an engraving machine. The slider is slidably mounted on the moving beam. The two motors II are both mounted on the slider. The two transmission shafts III are rotatably mounted on the slider and are respectively connected to the two motors II. The two rollers are respectively rotatably mounted on the two transmission shafts III. The engraving machine is mounted on the slider. By starting the two motors II, the two motors II drive the two transmission shafts III and the two rollers to rotate. The two rollers drive the slider to move left and right on the moving beam, and the engraving machine engraves the workpiece.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The conveyor belt conveys the workpiece to the fixing mechanism. By starting the traction mechanism to pull the fixing mechanism, the fixing mechanism and the operating mechanism cooperate to form a sealed space. At the same time, the fixing mechanism and the operating mechanism fix the workpiece. Then, the adjusting mechanism and the engraving mechanism cooperate to adjust the position, which is convenient for the engraving mechanism to engrave the workpiece and prevents the light beam from causing eye or skin damage to the operator. After engraving is completed, the traction mechanism drives the fixing mechanism to continue to convey forward, and the fixing mechanism conveys the engraved workpiece to the conveyor belt on the other side. Brief Description of the Drawings

[0014] Figure 1 is a sectional axonometric structural schematic diagram of the present utility model;

[0015] Figure 2 is a partial enlarged axonometric structural schematic diagram of the fixing mechanism of the present utility model;

[0016] Figure 3 is a front structural schematic diagram of the fixing mechanism, traction mechanism and operating mechanism of the present utility model;

[0017] Figure 4 is a sectional axonometric structural schematic diagram of the traction mechanism, operating mechanism and adjusting mechanism of the present utility model;

[0018] Figure 5 is an axonometric structural schematic diagram of the adjusting mechanism of the present utility model;

[0019] Figure 6 is a partial enlarged sectional axonometric structural schematic diagram of the engraving mechanism of the present utility model.

[0020] Reference numerals in the drawings: 01, workbench; 02, fixing mechanism; 21, vehicle body; 22, wheels; 23, towing buckle; 24, servo motor 1; 25, rotating shaft; 26, tray; 27, electric cylinder 1; 28, clamping plate 1; 03, towing mechanism; 31, motor 1; 32, speed reducer 1; 33, transmission shaft 1; 34, transmission wheel; 35, towing rope; 36, guide wheel; 04, operating mechanism; 41, protective cover; 42, display screen; 43, observation window; 44, electric cylinder 2; 45, clamping plate 2; 05, adjustment mechanism; 51, servo motor 2; 52, double-output shaft speed reducer; 53, transmission shaft 2; 54, speed reducer 2; 55, lead screw; 56, moving beam; 06, engraving mechanism; 61, slider; 62, motor 2; 63, transmission shaft 3; 64, roller; 65, engraving machine. Detailed implementation mode

[0021] For ease of understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present invention is more thorough and comprehensive.

[0022] Embodiment 1

[0023] A laser engraving machine of the present utility model includes a workbench 01, the bottom end of the workbench 01 is connected to the ground, and both the front and rear sides of the workbench 01 are connected to conveyer belts; it further includes a fixing mechanism 02, a traction mechanism 03, an operating mechanism 04, an adjusting mechanism 05 and an engraving mechanism 06. The fixing mechanism 02 is installed on the workbench 01 and fixes the workpiece. The traction mechanism 03 is installed on the fixing mechanism 02 and pulls the workpiece to move. The operating mechanism 04 is installed on the workbench 01 and facilitates the control of the engraving process. The adjusting mechanism 05 is installed on the operating mechanism 04 and drives the engraving mechanism 06 to move left and right. The engraving mechanism 06 is installed on the adjusting mechanism 05 and engraves the workpiece; the fixing mechanism 02 includes a vehicle body 21, wheels 22, two sets of traction buckles 23, a servo motor 1 24, a rotating shaft 25, a tray 26, two sets of electric cylinders 1 27 and a clamping plate 1 28. A sliding groove is opened on the workbench 01, the vehicle body 21 is slidably installed in the sliding groove of the workbench 01, four sets of wheels 22 are all rotatably installed on the vehicle body 21, two sets of traction buckles 23 are both installed on the vehicle body 21, the servo motor 1 24 is installed on the vehicle body 21, the rotating shaft 25 is rotatably installed on the vehicle body 21, the bottom end of the tray 26 is connected to the top end of the rotating shaft 25, there is an opening on the tray 26, two sets of electric cylinders 1 27 are both installed on the tray 26, and the clamping plate 1 28 is installed on two sets of electric cylinders 1 27; the traction mechanism 03 includes a motor 1 31, a speed reducer 1 32, a transmission shaft 1 33, a transmission wheel 34, a traction rope 35 and two sets of guide wheels 36. The motor 1 31 is installed on the workbench 01, the speed reducer 1 32 is installed on the workbench 01, the transmission shaft 1 33 is rotatably installed on the workbench 01 and is longitudinally connected to the speed reducer 1 32, the transmission wheel 34 is installed on the transmission shaft 1 33, the two ends of the traction rope 35 are respectively connected to two sets of traction buckles 23, two sets of guide wheels 36 are both rotatably installed on the workbench 01, and the traction rope 35 is tensioned and installed between the transmission wheel 34 and two sets of guide wheels 36; the operating mechanism 04 includes a protective cover 41, a display screen 42, an observation window 43, two sets of electric cylinders 2 44 and a clamping plate 2 45. The bottom end of the protective cover 41 is connected to the top end of the workbench 01, a cavity is opened inside the protective cover 41, the display screen 42 is installed on the protective cover 41, the observation window 43 is installed on the protective cover 41, two sets of electric cylinders 2 44 are both installed in the cavity of the protective cover 41, and the clamping plate 2 45 is installed on two sets of electric cylinders 2 44; the observation window 43 is made of lithium molybdate glass;When it is working, first, the opening of the tray 26 is connected to the conveyor belt, and the conveyor belt transports the workpiece onto the tray 26. Then, the first motor 31 is started. The first motor 31 drives the first transmission shaft 33 and the transmission wheel 34 to rotate through the first speed reducer 32. The transmission wheel 34 drives the traction rope 35 to rotate. The traction rope 35 pulls the tray 26 through the traction buckle 23. When the tray 26 leaves the conveyor belt, the first servo motor 24 is started to drive the rotating shaft 25 to rotate. The rotating shaft 25 drives the tray 26 to rotate 90°. The traction mechanism 03 continues to pull the tray 26 to make the tray 26 fit with the operating mechanism 04. Two groups of first electric cylinders 27 push the first clamping plates 28, and two groups of second electric cylinders 44 push the second clamping plates 45, so that the second clamping plates 45 cooperate with the first clamping plates 28 to clamp and fix the workpiece, preventing the light beam of the engraving mechanism 06 from overflowing. The staff controls the whole engraving process through the display screen 42, and the staff can observe the engraving process through the observation window 43. After engraving is completed, the traction mechanism 03 pulls the fixing mechanism 02 to continue moving forward, and the first servo motor 24 drives the rotating shaft 25 to drive the tray 26 to continue rotating 90°. Two groups of first electric cylinders 27 continue to push the workpiece through the first clamping plates 28 and transport the workpiece onto the conveyor belt.;

[0024] Embodiment 2

[0025] As Figures 1 to 6As shown in the figure, a laser engraving machine of the present utility model is based on Embodiment 1; the adjustment mechanism 05 includes a second servo motor 51, a double-output shaft speed reducer 52, a second transmission shaft 53, a second speed reducer 54, two sets of lead screws 55 and a moving beam 56. The second servo motor 51 is installed on the protective cover 41, the double-output shaft speed reducer 52 is installed on the protective cover 41, the second transmission shaft 53 is rotatably installed on the double-output shaft speed reducer 52, the second speed reducer 54 is installed on the protective cover 41, the two sets of lead screws 55 are rotatably installed in the cavity of the protective cover 41 and are longitudinally connected to the double-output shaft speed reducer 52 and the second speed reducer 54 respectively, and the moving beam 56 is slidably installed on the two sets of lead screws 55; the engraving mechanism 06 includes a slider 61, two sets of second motors 62, two sets of third transmission shafts 63, two sets of rollers 64 and an engraving machine 65. The slider 61 is slidably installed on the moving beam 56, the two sets of second motors 62 are installed on the slider 61, the two sets of third transmission shafts 63 are rotatably installed on the slider 61 and are connected to the two sets of second motors 62 respectively, the two sets of rollers 64 are rotatably installed on the two sets of third transmission shafts 63 respectively, and the engraving machine 65 is installed on the slider 61; during its operation, first, the opening of the tray 26 is connected to the conveyor belt, and the conveyor belt conveys the workpiece onto the tray 26. Start the first motor 31, and the first motor 31 drives the first transmission shaft 33 and the transmission wheel 34 to rotate through the first speed reducer 32. The transmission wheel 34 drives the traction rope 35 to rotate, and the traction rope 35 pulls the tray 26 through the traction buckle 23. When the tray 26 leaves the conveyor belt, start the first servo motor 24 to drive the rotating shaft 25 to rotate, and the rotating shaft 25 drives the tray 26 to rotate 90°. The traction mechanism 03 continues to pull the tray 26 to make the tray 26 fit with the operating mechanism 04. The two sets of first electric cylinders 27 push the first clamping plates 28, and the two sets of second electric cylinders 44 push the second clamping plates 45 to clamp and fix the workpiece with the cooperation of the second clamping plates 45 and the first clamping plates 28, preventing the light beam of the engraving mechanism 06 from overflowing. The staff controls the entire engraving process through the display screen 42, and the staff can observe the engraving process through the observation window 43. Start the second servo motor 51, and the second servo motor 51 drives the second transmission shaft 53 to rotate through the double-output shaft speed reducer 52. The second transmission shaft 53 drives the second speed reducer 54, and the double-output shaft speed reducer 52 and the second speed reducer 54 respectively drive the two sets of lead screws 55 to rotate. The two sets of lead screws 55 drive the moving beam 56 to move back and forth. Start the two sets of second motors 62, and the two sets of second motors 62 drive the two sets of third transmission shafts 63 and the two sets of rollers 64 to rotate. The two sets of rollers 64 drive the slider 61 to move left and right on the moving beam 56, and the engraving machine 65 engraves the workpiece. After engraving is completed, the traction mechanism 03 pulls the fixing mechanism 02 to continue moving forward, and the first servo motor 24 drives the rotating shaft 25 to drive the tray 26 to continue rotating 90°. The two sets of first electric cylinders 27 continue to push the workpiece through the first clamping plates 28 and convey the workpiece onto the conveyor belt.

[0026] The servo motor 1 24, the motor 1 31, the speed reducer 1 32, the servo motor 2 51, the double output shaft speed reducer 52, the speed reducer 2 54 and the motor 2 62 of the present utility model are purchased on the market. Those skilled in the industry only need to install and operate them according to the attached user manual, without the need for those skilled in the art to perform creative labor.

[0027] The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A laser engraving machine, comprising a workbench (01), the bottom end of the workbench (01) is connected to the ground, and both the front and rear sides of the workbench (01) are connected to a conveyor belt; characterized in that, It also includes a fixing mechanism (02), a traction mechanism (03), an operating mechanism (04), an adjustment mechanism (05) and a carving mechanism (06). The fixing mechanism (02) is installed on the workbench (01) and fixes the workpiece. The traction mechanism (03) is installed on the fixing mechanism (02) and traction the workpiece to move. The operating mechanism (04) is installed on the workbench (01) and facilitates the control of the carving process. The adjustment mechanism (05) is installed on the operating mechanism (04) and drives the carving mechanism (06) to move left and right. The carving mechanism (06) is installed on the adjustment mechanism (05) and carves the workpiece.

2. A laser engraving machine according to claim 1, characterized in that, The fixing mechanism (02) includes a vehicle body (21), wheels (22), two sets of traction buckles (23), a servo motor one (24), a rotating shaft (25), a tray (26), two sets of electric cylinders one (27) and a clamping plate one (28). A sliding groove is formed on the workbench (01). The vehicle body (21) is slidably installed in the sliding groove of the workbench (01). Four sets of wheels (22) are all rotatably installed on the vehicle body (21). Two sets of traction buckles (23) are both installed on the vehicle body (21). The servo motor one (24) is installed on the vehicle body (21). The rotating shaft (25) is rotatably installed on the vehicle body (21). The bottom end of the tray (26) is connected to the top end of the rotating shaft (25). There is an opening on the tray (26). Two sets of electric cylinders one (27) are both installed on the tray (26). The clamping plate one (28) is installed on two sets of electric cylinders one (27).

3. A laser engraving machine according to claim 2, characterized in that, The traction mechanism (03) includes a motor one (31), a speed reducer one (32), a transmission shaft one (33), a transmission wheel (34), a traction rope (35) and two sets of guide wheels (36). The motor one (31) is installed on the workbench (01). The speed reducer one (32) is installed on the workbench (01). The transmission shaft one (33) is rotatably installed on the workbench (01) and is longitudinally connected to the speed reducer one (32). The transmission wheel (34) is installed on the transmission shaft one (33). The two ends of the traction rope (35) are respectively connected to two sets of traction buckles (23). Two sets of guide wheels (36) are both rotatably installed on the workbench (01). The traction rope (35) is tensioned and installed between the transmission wheel (34) and two sets of guide wheels (36).

4. A laser engraving machine according to claim 1, characterized in that, The operating mechanism (04) includes a protective cover (41), a display screen (42), an observation window (43), two sets of electric cylinders two (44) and a clamping plate two (45). The bottom end of the protective cover (41) is connected to the top end of the workbench (01). There is a cavity inside the protective cover (41). The display screen (42) is installed on the protective cover (41). The observation window (43) is installed on the protective cover (41). Two sets of electric cylinders two (44) are both installed in the cavity of the protective cover (41). The clamping plate two (45) is installed on two sets of electric cylinders two (44).

5. A laser engraving machine according to claim 4, characterized in that, The observation window (43) is made of lithium molybdate glass.

6. A laser engraving machine according to claim 4, wherein, The adjustment mechanism (05) includes a second servo motor (51), a double-output shaft speed reducer (52), a second transmission shaft (53), a second speed reducer (54), two sets of lead screws (55) and a moving beam (56). The second servo motor (51) is installed on the protective cover (41), the double-output shaft speed reducer (52) is installed on the protective cover (41), the second transmission shaft (53) is rotatably installed on the double-output shaft speed reducer (52), the second speed reducer (54) is installed on the protective cover (41), the two sets of lead screws (55) are rotatably installed in the cavity of the protective cover (41) and are longitudinally connected to the double-output shaft speed reducer (52) and the second speed reducer (54) respectively, and the moving beam (56) is slidably installed on the two sets of lead screws (55).

7. A laser engraving machine according to claim 6, characterized in that, The engraving mechanism (06) includes a slider (61), two sets of second motors (62), two sets of third transmission shafts (63), two sets of rollers (64) and an engraving machine (65). The slider (61) is slidably installed on the moving beam (56), the two sets of second motors (62) are installed on the slider (61), the two sets of third transmission shafts (63) are rotatably installed on the slider (61) and are connected to the two sets of second motors (62) respectively, the two sets of rollers (64) are rotatably installed on the two sets of third transmission shafts (63) respectively, and the engraving machine (65) is installed on the slider (61).

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