Large workpiece laser automatic focusing marking machine
By combining a support platform and a multi-dimensional adjustment device, the problems of splicing seams, uneven depth, and vibration in the marking process of large workpieces are solved, achieving high-precision and high-efficiency laser marking, adapting to different materials and thicknesses, and reducing the complexity and cost of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI 3K LASER TECH CO LTD
- Filing Date
- 2025-04-01
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional laser processing equipment suffers from problems such as splicing seams, inconsistent depth, vibration during rotation, and low production efficiency when marking on the surface of large workpieces.
The laser automatic focusing marking machine, composed of a support platform, rotary reduction device, servo motor combination, adjustable fixture, Y-axis reciprocating device, Z-axis reciprocating device, and laser rangefinder, achieves multi-dimensional adjustment and real-time focusing, ensuring that the laser focus is always in the optimal position.
It improves marking accuracy and efficiency, reduces the time spent manually adjusting the focus, adapts to different materials and thicknesses, enhances the equipment's versatility and production consistency, and reduces operational risks and costs.
Smart Images
Figure CN224102057U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of laser marking machines, in particular to a large workpiece laser automatic focusing marking machine. BACKGROUND
[0002] The large workpiece laser automatic focusing rotating marking machine is a device for marking on the surface of a large workpiece, and is widely applied to the fields of manufacturing, automobiles, aerospace, die machining and the like.
[0003] At present, the traditional laser processing equipment on the market adopts multiple splicing marking on a large circumferential surface, the multiple splicing efficiency is low, and there are splicing seams in part of the patterns, and in the traditional laser processing equipment, different shafts are adopted in the rotating process of a circumferential product, and a height difference appears in the laser marking process, so that the laser marking is uneven, and in the process of high-speed rotation, the rotating shaft is clamped with a large workpiece, the motor driving force needs to be large, and obvious shaking is generated in the high-speed rotating process, so that the laser marking is uneven. CONTENT OF THE UTILITY MODEL
[0004] In order to solve the problems of difficult marking of a large workpiece, different shafts after clamping and rotating, different laser focuses, shaking in the high-speed rotating process and low production efficiency, the application provides a large workpiece laser automatic focusing marking machine.
[0005] The large workpiece laser automatic focusing marking machine provided by the application adopts the following technical scheme:
[0006] The large workpiece laser automatic focusing marking machine comprises a supporting platform, one side of the supporting platform is provided with a rotating speed reduction device and a servo motor combination capable of adapting to small motor driving large load workpiece operation, one side of the rotating speed reduction device is provided with an adjustable clamp capable of fixing the rotating of a laser processing workpiece, and one side of the supporting platform is provided with an adjusting mechanism.
[0007] The adjusting mechanism comprises a fixed plate supporting the whole device, one side of the fixed plate is fixedly provided with a Y-axis reciprocating device capable of being horizontally adjusted, one side of the Y-axis reciprocating device away from the fixed plate is slidably provided with a fixed rack capable of supporting the longitudinal adjustment of a Z-axis reciprocating device, one side of the Z-axis reciprocating device away from the fixed rack is slidably provided with a laser light path box capable of controlling a laser light path, one side of the laser light path box is provided with a laser integrated device for laser scanning and optical focusing, and one side of the laser integrated device is provided with a laser ranging device detecting the height change of a laser processing workpiece surface.
[0008] By adopting the technical scheme, the sliding arrangement of the Y-axis reciprocating device and the Z-axis reciprocating device realizes the multi-dimensional accurate adjustment and automatic focusing function, so that the laser light path box and the laser integrated device can be flexibly adjusted in position, adapt to workpieces of different sizes and shapes, and meanwhile, the laser ranging device is added to detect the height change of the workpiece surface in real time, so as to ensure that the laser focal point always remains in the optimal position, thereby improving the marking precision and efficiency.
[0009] Preferably, one side of the support platform is provided with a laser electrical control cabinet for receiving and processing signals.
[0010] By adopting the technical scheme, the laser electrical control cabinet can stably receive and process signals to ensure normal operation of the marking machine.
[0011] Preferably, one side of the laser electrical control cabinet is provided with an image display for displaying the scanning results of the laser integrated device, the measured distance of the laser ranging device and other operations.
[0012] By adopting the technical scheme, the image display can display the scanning results of the laser integrated device and the measured distance of the laser ranging device in real time, facilitating monitoring and adjustment by the operator.
[0013] Preferably, a support frame is fixedly arranged on the side of the support platform away from the rotary deceleration device, and a fixed foot one is fixedly arranged on the side of the support frame away from the support platform.
[0014] By adopting the technical scheme, the design of the support frame and the fixed foot one enhances the stability of the entire device and prevents shaking during marking.
[0015] Preferably, the adjustable clamp is provided with a rotating base connected with the rotary deceleration device to realize rotation on the side of the laser processed workpiece away from the laser processed workpiece.
[0016] By adopting the technical scheme, the connection of the rotating base and the rotary deceleration device realizes stable rotation of the workpiece, meeting the marking requirements of different angles.
[0017] Preferably, the adjusting mechanism further comprises a clamping shaft sleeve fixed on one side of the laser integrated device, and the middle part of the clamping shaft sleeve is movably penetrated through one side of the laser light path box.
[0018] By adopting the technical scheme, the design of the clamping shaft sleeve enables the laser integrated device to be more flexibly adjusted in position, improving the flexibility of marking.
[0019] Preferably, one side of the laser light path box is fixedly provided with a moving back plate slidably connected with the Z-axis reciprocating device.
[0020] By adopting the above technical scheme, the sliding connection of the mobile back plate and the Z-axis reciprocating device enables the laser light path box to be easily adjusted in height, thereby adapting to workpieces of different heights for marking.
[0021] Preferably, the lower end of the fixed plate is provided with a second fixed foot for preventing the entire device from deviating.
[0022] By adopting the above technical scheme, the second fixed foot at the lower end of the fixed plate further enhances the stability of the entire device and prevents the marking machine from deviating during operation.
[0023] In summary, the present application has at least one of the following beneficial technical effects:
[0024] 1. The Y-axis reciprocating device, the fixed frame and the Z-axis reciprocating device cooperate with each other, so that the laser integrated device and the laser ranging device can adjust the focal length in real time, ensure that the laser beam is always focused on the material surface, thereby improving the marking precision, and can significantly process complex or uneven laser processing workpiece surface, while reducing the time for manual adjustment of focal length, the equipment can quickly adapt to different materials and thicknesses, significantly improving production efficiency, and is particularly suitable for mass production.
[0025] 2. With the cooperation of the Y-axis reciprocating device, the fixed frame and the Z-axis reciprocating device, the laser integrated device and the laser ranging device can flexibly cope with different materials and thicknesses without frequent manual adjustment, improving the versatility of the equipment, suitable for various processing needs, while simplifying the operation process, reducing the technical requirements for the operator, reducing the risk of human error, making the equipment easier to use, and ensuring that the marking effect of each product is consistent, reducing the quality fluctuations caused by focal length changes, improving the consistency of products, and reducing the need for manual adjustment, reducing the risk of operators being exposed to laser, and improving the safety of the working environment.
[0026] 3. The cooperation of the servo motor and the rotary speed reduction device can increase the motor torque, improve the rotation accuracy, meet the operation of small motors driving large load workpieces, reduce the cost and achieve the purpose of energy saving, and improve the production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 is a schematic diagram of the entire device of the present application;
[0028] Figure 2 is a schematic diagram of the rotating processing part of the present application;
[0029] Figure 3 is a schematic diagram of the adjusting mechanism of the present application;
[0030] Figure 4 is an enlarged view of the adjusting mechanism A of the present application;
[0031] Figure 5 The schematic diagram of the laser control structure of the present application.
[0032] Reference signs: 100, support platform; 101, rotary deceleration device; 102, servo motor; 103, adjustable clamp; 104, laser processing workpiece; 105, support frame; 106, fixed foot one; 107, rotary base; 108, laser electrical control cabinet; 109, image display;
[0033] 200, adjusting mechanism; 201, fixed plate; 202, Y-axis reciprocating device; 203, fixed rack; 204, Z-axis reciprocating device; 205, moving back plate; 206, laser light path box; 207, clamping shaft sleeve; 208, laser integrated device; 209, fixed foot two; 210, laser ranging device; 211, laser interface. DETAILED DESCRIPTION
[0034] The following will be described in detail in combination with the accompanying Figures 1-5 The present application is further described in detail.
[0035] The embodiment of the present application discloses a large workpiece laser automatic focusing marking machine.
[0036] Referring to Figure 1 , Figure 2 The large workpiece laser automatic focusing marking machine comprises a support platform 100, and a support frame 105 which is fixedly connected with the upper end surface of the side surface of the support platform 100 away from the rotary deceleration device 101. Four fixed feet one 106 are fixedly arranged on the lower surface of the side of the support frame 105 away from the support platform 100, and the four fixed feet one 106 are of the same structure and further increase the contact area with the ground, and are fixed by expansion screws, so as to enhance the stability of the whole.
[0037] Referring to Figure 1 , Figure 2 A combination of the rotary deceleration device 101 and the servo motor 102 is arranged on the side of the upper end surface of the support platform 100, the rotary deceleration device 101 is provided with a reduction motor, so as to increase the torque and improve the rotation precision. The combination of the rotary deceleration device 101 and the servo motor 102 can adapt to a small motor to drive a large load workpiece to run. A rotary base 107 is connected with the rotary deceleration device 101 through a connecting piece, and an adjustable clamp 103 is rotatably arranged on the upper end of the rotary base 107, so that the rotary deceleration device 101 can drive the adjustable clamp 103 on the upper end of the rotary base 107 to rotate. A laser processing workpiece 104 is arranged on the upper end of the adjustable clamp 103, and the adjustable clamp 103 fixes the laser processing workpiece 104 through a locking nut.
[0038] Referring toFigure 1 、 Figure 2 、 Figure 5 A laser electrical control cabinet 108 is arranged on one side of the support platform 100, and the laser electrical control cabinet 108 is used to receive laser signals and processing signals and then send instructions. An image display 109 is arranged on one side of the upper end face of the laser electrical control cabinet 108, and the image display 109 can display the results returned by the laser integrated device 208 and the measurement distance returned by the laser ranging device 210 and other operations.
[0039] It should be noted that the rotation deceleration device 101, the servo motor 102, the rotating base 107, the adjustable clamp 103, the laser electrical control cabinet 108, and the image display 109 are prior art, and their structural principles will not be described in detail here. Among them, the rotation deceleration device 101 and the servo motor 102 need to be connected with control components such as PLC, and their structural principles will not be described in detail.
[0040] The support platform 100 is stably installed on the ground. The support frame 105 increases the contact area with the ground by using four fixed feet 106 which are structurally the same, and is fixed by expansion screws to ensure high stability. The combination of the rotation deceleration device 101 and the servo motor 102 on the upper part of the support platform 100 provides strong torque and precise rotation control, so that a small motor can drive a large load workpiece to run smoothly. The rotating base 107 is connected to the rotation deceleration device 101 through a connecting piece. The adjustable clamp 103 on the upper end of the rotating base 107 can flexibly adapt to laser processing workpieces 104 of different sizes and is firmly fixed by a locking nut. The laser electrical control cabinet 108 is responsible for receiving, processing laser signals, and sending operation instructions. The image display 109 displays laser scanning results, ranging data and other key information in real time, which is convenient for operators to monitor and adjust. This not only improves the precision and efficiency of marking, but also enhances the flexibility and ease of use of the equipment.
[0041] Referring to Figure 1 、 Figure 3 、 Figure 4 An adjusting mechanism 200 is arranged on one side of the support platform 100. The adjusting mechanism 200 includes a fixed plate 201 for supporting the entire device. Four fixed feet 209 are arranged at the lower end face of the fixed plate 201. The four fixed feet 209 can prevent the entire device from shifting, thereby affecting the stability and accuracy of laser marking. A Y-axis reciprocating device 202 is fixedly arranged at the upper end face of the fixed plate 201. A fixed rack 203 is fixedly arranged on the slide plate arranged in the inner cavity of the Y-axis reciprocating device 202 away from the fixed plate 201. The fixed rack 203 can be adjusted horizontally and transversely by the Y-axis reciprocating device 202.
[0042] Referring to Figure 1 , Figure 3 , Figure 4 , and a Z-axis reciprocating device 204 is fixedly arranged on the upper side surface of the fixed frame 203, and the fixed frame 203 can support the Z-axis reciprocating device 204, and further support a moving back plate 205 connected to the Z-axis reciprocating device 204 away from the inner cavity of the fixed frame 203, and also support a laser light path box 206 fixedly connected to the moving back plate 205, and the Z-axis reciprocating device 204 can adjust the longitudinal height of the laser light path box 206.
[0043] Referring to Figure 1 , Figure 3 , Figure 4 , a laser interface 211 is arranged on one side of the laser light path box 206, and the laser interface 211 is responsible for guiding the laser light into the laser light path box 206, and then controlling the laser light path in the laser light path box 206, and a clamping shaft sleeve 207 is movably arranged on the side of the laser light path box 206 away from the laser interface 211, and the clamping shaft sleeve 207 is fixedly connected to a laser integrated device 208 away from the laser light path box 206, so that the laser integrated device 208 is connected to the laser light path box 206 through the clamping shaft sleeve 207, and the laser integrated device 208 can adjust its angle to more accurately scan and focus on the surface of the laser processing workpiece 104, and a laser ranging device 210 is arranged on one side of the laser integrated device 208, and the laser ranging device 210 can be used to detect the height change of the surface of the laser processing workpiece 104, and then transmit it to the laser electrical control cabinet 108 in real time, and then processed by the laser electrical control cabinet 108, and then adjusted in real time.
[0044] The high-precision adjustment of laser marking is realized by the adjusting mechanism 200 on the supporting platform 100, which is stably supported by the fixed plate 201, and the fixed feet two 209 arranged at the four corners effectively prevent the device from deviating, ensuring stable and accurate marking. The Y-axis reciprocating device 202 is installed on the fixed plate 201, driving the fixed frame 203 to move horizontally and transversely, realizing transverse adjustment, and the Z-axis reciprocating device 204 supported by the fixed frame 203 is responsible for longitudinal height adjustment, so that the moving back plate 205 and the laser light path box 206 connected thereto can be flexibly adjusted in position.
[0045] The laser light is introduced into the laser light path box 206 through the laser interface 211, and then connected with the laser integrated device 208 through the clamping shaft sleeve 207. The device can adjust the angle to accurately scan and focus the laser on the surface of the workpiece 104. At the same time, the laser ranging device 210 monitors the height change of the workpiece surface in real time, and the information is transmitted to the laser electrical control cabinet 108 for processing, and then the laser integrated device 208 is adjusted in real time. In this way, not only the flexibility and accuracy of laser marking are improved, but also the efficiency and stability of the processing process are ensured.
[0046] The implementation principle of the large workpiece laser automatic focusing marking machine according to the embodiment of the present application is as follows: the large laser processing workpiece 104 to be laser marked is installed on the adjustable clamp 103 by a crane or the like, and then the adjustable clamp 103 is locked and fixed by adjusting the locking nut. In order to reduce the shaking and other factors during the rotation of the laser processing workpiece 104, the fixed foot one 106 is arranged at the lower part of the support platform 100 and the support frame 105 to increase the contact area with the ground, and the expansion screw is used for fixation. Then, the position of the adjusting mechanism 200 is adjusted, and the fixed foot two 209 is fixed to the ground, thereby preventing movement during the marking process. Then, the laser integrated device 208 and the laser ranging device 210 are adjusted by the Y-axis reciprocating device 202 and the laser light path box 206, so that they are aligned with the surface of the laser processing workpiece 104.
[0047] Through the automatic ranging and focusing part of the laser integrated device 208, the height change of the surface of the laser processing workpiece 104 is detected by the laser ranging device 210 or the visual sensor during the rotation of the laser processing workpiece 104 before laser processing, and the detection result is transmitted to the PLC controller in the laser electrical control cabinet 108 in real time. Then, the laser integrated device 208 adjusts the optical system inside the laser head in real time, so that the laser focused on the surface of the laser processing workpiece 104 always stays at the laser focal point, ensuring clear and consistent marking effect.
[0048] The adjustable clamp 103 is driven to rotate on the rotating base 107 by the cooperation of the servo motor 102 and the rotating speed reduction device 101, so that the laser processing workpiece 104 can rotate, thereby realizing marking.
[0049] The above is only an optional embodiment of the present application, and is not used to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A large workpiece laser auto-focusing marking machine, characterized in that: Including support platform (100), one side of support platform (100) is provided with the combination of servo motor (102) and rotary speed reducer (101) which can adapt to small motor driving large load workpiece, one side of rotary speed reducer (101) is provided with adjustable clamp (103) for fixing laser processing workpiece (104) rotation, one side of support platform (100) is provided with adjusting mechanism (200); The adjusting mechanism (200) comprises a fixed plate (201) for supporting the whole device, a Y-axis reciprocating device (202) capable of horizontal adjustment is fixed on one side of the fixed plate (201), a fixed rack (203) capable of supporting longitudinal adjustment of the Z-axis reciprocating device (204) is slidably arranged on the side away from the fixed plate (201) of the Y-axis reciprocating device (202), a laser light path box (206) for controlling laser light path is slidably arranged on the side away from the fixed rack (203) of the Z-axis reciprocating device (204), a laser integrated device (208) for laser scanning and optical focusing is arranged on one side of the laser light path box (206), and a laser ranging device (210) for detecting the surface height change of the laser processing workpiece (104) is arranged on one side of the laser integrated device (208).
2. The large workpiece laser autofocus marking machine of claim 1, wherein: One side of the support platform (100) is provided with a laser electrical control cabinet (108) for receiving and processing signals.
3. The large workpiece laser autofocus marking machine of claim 2, wherein: One side of the laser electrical control cabinet (108) is provided with a laser integrated device (208) scanning result and a laser ranging device (210) distance measurement and image display (109).
4. The large workpiece laser autofocus marking machine of claim 1, wherein: The support platform (100) is fixedly provided with a support frame (105) on the side away from the rotary speed reducer (101), and the support frame (105) is fixedly provided with a fixed foot one (106) on the side away from the support platform (100).
5. The large workpiece laser autofocus marking machine of claim 1, wherein: The adjustable clamp (103) is provided with a rotating base (107) connected with the rotary speed reducer (101) on the side away from the laser processing workpiece (104) to realize rotation.
6. The large workpiece laser autofocus marking machine of claim 1, wherein: The adjusting mechanism (200) further comprises a clamping shaft sleeve (207) fixed on one side of the laser integrated device (208), and the clamping shaft sleeve (207) is movably penetrated on one side of the laser light path box (206).
7. The large workpiece laser autofocus marking machine of claim 1, wherein: The laser light path box (206) is fixedly provided with a movable back plate (205) slidably connected with the Z-axis reciprocating device (204) on one side.
8. The large workpiece laser autofocus marking machine of claim 1, wherein: The fixed plate (201) is provided with a fixed foot two (209) for preventing the whole device from deviating.