A laser marking device for polar frame engraving

Abstract

The application belongs to the technical field of polar frame processing equipment in the field of hydrogen energy automation, and discloses a laser marking equipment for polar frame lettering. The laser marking equipment for polar frame lettering, the positioning and rotating equipment for rotating the workpiece after positioning, and the positioning detection equipment for reading whether the marking code is qualified are all arranged on the base assembly, wherein the laser marking equipment and the positioning detection equipment are arranged on the side of the positioning and rotating equipment. The workpiece is rotated by a servo motor, the characteristic points of the workpiece are captured by a visual camera, the marking code is marked on the side of the laser marking machine, and then whether the marking code meets the standard is detected and identified by the visual camera. The equipment integrates automatic positioning, marking and detection.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of polar frame processing equipment in the field of hydrogen energy automation, and relates to a laser marking equipment for polar frame lettering. BACKGROUND

[0002] At present, the existing laser marking machine cannot meet the requirements of large-diameter, position uncertainty and diameter conversion products for polar frame lettering, and thus an automatic equipment integrating positioning, marking and identification according to the change of the outer diameter of the polar frame is urgently needed. SUMMARY

[0003] The application aims to overcome the deficiencies in the background art, and provides a laser marking equipment for polar frame lettering for the disc-shaped workpiece with diameter conversion in the working condition, which rotates the workpiece by using a servo motor, captures the feature points of the workpiece by using a vision camera, marks the code on the side by using a laser marking machine, and then detects and identifies whether the marked code meets the standard by using the vision camera, so as to realize the equipment integrating automatic positioning, marking and detection.

[0004] The technical scheme adopted by the application to solve the technical problem is: a laser marking equipment for polar frame lettering, comprising a base assembly, a laser marking assembly, a positioning and rotating assembly and a positioning detection assembly; the laser marking assembly for laser marking of the workpiece polar frame, the positioning and rotating assembly for positioning and rotating of the workpiece, and the positioning detection assembly for reading whether the marked code is qualified are all arranged on the base assembly, and the laser marking assembly and the positioning detection assembly are arranged on the side of the positioning and rotating assembly.

[0005] The base assembly comprises a base and an adjusting foot; the adjusting foot is arranged at the bottom of the base, and the base is fixed on the ground through the adjusting foot. The base is a plane frame body for bearing the other components; and the adjusting foot is used for overall height adjustment.

[0006] The laser marking assembly comprises a marking machine support and a laser marking machine; the laser marking machine is arranged above the marking machine support, the laser marking machine is arranged on a connecting plate, the connecting plate is connected with the top surface of the marking machine support through a guide mechanism, the bottom surface of the connecting plate is provided with a cylinder A, and buffers are arranged at the front and rear ends of the cylinder A; and a limiting pin is arranged on the bottom surface of the connecting plate corresponding to the buffers.

[0007] The buffers are arranged on buffer supports, and the buffers are arranged at positions corresponding to the size requirements of the workpiece.

[0008] The connecting plate is further provided with a marking head support for fixing a marking head.

[0009] The guide assembly comprises a linear slide rail A and a sliding block, the linear slide rail A is arranged on the top surface of the marking machine support, and the sliding block is arranged on the connecting plate; preferably, two sets of linear slide rails A and sliding blocks are arranged.

[0010] In specific operation, since the pole frame workpiece has two sizes, two buffers and two limiting pins arranged on the bottom surface of the connecting plate corresponding to the buffers are arranged to limit the air cylinder A, so that the work can be completed for the two sizes of the pole frame workpiece.

[0011] The positioning and rotating assembly comprises a support seat, a support plate arranged on the support seat, a rotary support arranged on the support plate, a rotary support arranged outside the rotary support, and a through hole arranged in the center of the polygonal support for placing the rotary support; a connecting end is arranged outside the rotary support, and a pole frame positioning piece for positioning the pole frame workpiece is arranged on the connecting end; the pole frame positioning piece is arranged more than three;

[0012] A servo motor is further arranged on the support seat, the servo motor is connected through a speed reducer and a gear, the gear is arranged on the support plate, and the gear is connected with the inner side of the rotary support;

[0013] The pole frame positioning piece comprises a fixed plate, and the pole frame positioning piece is connected with the connecting end of the rotary support through the fixed plate; a horizontal adjustment pad for adjusting the horizontal position of the pole frame positioning piece is arranged around the fixed plate; a tray is arranged above the fixed plate, and the fixed plate and the tray are connected through a linear guide rail A and a sliding block; a pole frame workpiece placing position is arranged on the tray, a pole frame support block is arranged on one side of the pole frame workpiece placing position, and a tensioning block is arranged on the other side; the tensioning block is connected with the piston rod of the air cylinder B at one end to realize driving.

[0014] The pole frame support block is arranged on the tray; the pole frame support block is arranged on one side of the outer periphery of the pole frame workpiece, and the tensioning block is arranged on one side of the inner periphery of the pole frame workpiece.

[0015] A plurality of pin holes are arranged on the tray and the fixed plate corresponding to the two types of pole frame workpieces, and a plurality of type changing positioning pins are arranged corresponding to the pole frame positioning piece; the tray is limited to the position required by the fixed plate for the workpiece through the pin holes by the type changing positioning pins.

[0016] The linear guide rail B is arranged on the tray, and the sliding block is arranged on the tensioning block.

[0017] The linear guide rail A is arranged on the fixed plate, and the sliding block is arranged on the tray; in specific use, because the pole frame workpiece has two sizes, before the workpiece is installed, the tray is manually moved according to the size of the workpiece, the tray is moved on the fixed plate through the linear guide rail A and the sliding block, and after the tray reaches the position corresponding to the specific workpiece, the tray is fixed on the fixed plate through the type changing positioning pins and the pin holes.

[0018] The positioning detection assembly comprises a camera base, the top surface of the camera base is provided with a carrier plate; the carrier plate is provided with a detection camera group and a positioning camera group; the detection camera group and the positioning camera group are connected with the carrier plate through a guide assembly to realize forward and backward movement; the carrier plate is further provided with a plurality of detection switches for monitoring the positioning of the detection camera group and the positioning camera group.

[0019] The detection camera group comprises a detection camera support, the detection camera support is arranged on a supporting plate, the supporting plate is connected with the carrier plate through a guide assembly to realize forward and backward movement of the detection camera group, the detection camera support is provided with a detection camera and a detection camera light source; the bottom surface of the supporting plate is provided with a detection camera positioning cylinder, two buffers are arranged adjacent to the detection camera positioning cylinder; and a limiting pin is arranged on the bottom surface of the supporting plate corresponding to the buffers.

[0020] The positioning camera group comprises a positioning camera support, the positioning camera support is arranged on a supporting plate, the supporting plate is connected with the carrier plate through a guide assembly to realize forward and backward movement of the positioning camera group, the positioning camera support is provided with a positioning camera and a positioning camera light source; the bottom surface of the supporting plate is provided with a positioning camera positioning cylinder, two buffers are arranged adjacent to the positioning camera positioning cylinder; and a limiting pin is arranged on the bottom surface of the supporting plate corresponding to the buffers.

[0021] The guide assembly comprises a linear slide rail B and a sliding block, the linear slide rail B is arranged on the carrier plate, and the sliding block is arranged on the supporting plate; preferably, two sets of linear slide rails B and sliding blocks are arranged.

[0022] In specific work, since the pole frame workpiece has two sizes, the detection camera group and the positioning camera group are provided with two buffers and two limiting pins arranged on the bottom surface of the supporting plate corresponding to the buffers, which are used for limiting the detection camera positioning cylinder and the positioning camera positioning cylinder, so that the work of the two sizes of the pole frame workpiece can be completed.

[0023] The detection camera and the positioning camera are not limited in specific models, and their working functions can be realized; preferably, the detection camera and the positioning camera are three-di MV-SD200M.

[0024] Further, the laser marking assembly, the positioning rotating assembly and the bottom of the positioning detection assembly are each provided with an adjusting pad iron for adjusting the height.

[0025] The device is further provided with a PLC control system, the laser marking machine, the cylinder A, the servo motor, the cylinder B, the detection switch, the detection camera positioning cylinder, the positioning camera positioning cylinder, the detection camera, the detection camera light source, the positioning camera, the positioning camera light source are connected with the PLC control system; and they are not limited to a specific model, and their working functions can be realized.

[0026] After the equipment is operational, the laser marking assembly is used for marking. Cylinder A adjusts the distance of the pole frame workpiece using a buffer and limit pins to meet the marking range, depending on the outer diameter of the pole frame. Adjustment shim A adjusts the height difference between the laser marking assembly and the base assembly. The cylinder and connecting plate are connected by a guide assembly to enable sliding movement of the marking machine. The laser marking machine is used to digitally mark the pole frame. The laser marking machine is not limited to any specific model; any laser marking machine that can achieve the required functionality is acceptable.

[0027] When the pole frame workpiece arrives, cylinder B extends, tightening the workpiece. The servo motor then rotates the workpiece. Linear guide A is used to change the pole frame workpiece type. The changeover positioning pin is a manual positioning pin, used to change the pallet position when manually changing between different pole frame workpieces. A horizontal adjustment plate is installed on the connecting end, mounted on the rotary bracket to support and secure the pole frame positioning parts. Cylinder B is used to extend and retract the tensioning block, which is tightened and secured by cylinder B.

[0028] The positioning detection assembly is used to detect the pole frame's position and read the barcode after marking. When the workpiece arrives, cylinder B extends, tightening the pole frame. The servo motor then rotates the pole frame. The positioning camera identifies the key points of rotational positioning, then stops the servo motor to allow the laser marking assembly to begin marking. Once marking is complete, the positioning rotation assembly rotates a fixed angle, and the inspection camera verifies the marking for compliance.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] The laser marking device for pole frame engraving provided by the present invention can be used for marking two types of pole frame workpieces; and has a stable structure, convenient operation and high work efficiency.

[0031] Compared with the prior art, the laser marking device for pole frame engraving provided by the present invention has the following advantages:

[0032] Save time: The equipment starts working after determining the size of the pole frame workpiece. The equipment integrates positioning, marking and testing, saving time and cost and improving efficiency.

[0033] Labor-saving: The equipment does not require manual marking or detection to determine whether it is in place, and marking is more accurate than manual marking, saving labor costs.

[0034] Safety: Since the workpiece is relatively large, manual marking and inspection can easily cause safety accidents. This equipment reduces the number of human operators and greatly improves safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0036] Figure 1 It is a stereoscopic diagram of a laser marking device for pole frame engraving according to the present invention.

[0037] Figure 2 The figure is a top view of a laser marking device for pole frame engraving according to the present invention.

[0038] Figure 3 This is a front view of a laser marking device for pole frame engraving according to the present invention.

[0039] Figure 4 The figure is a side view of a laser marking device for pole frame engraving according to the present invention.

[0040] Figure 5 It is a structural diagram of the laser marking component.

[0041] Figure 6 It is a structural diagram of the positioning rotation component.

[0042] Figure 7 It is a structural diagram of the base assembly.

[0043] Figure 8 It is a structural diagram of the positioning detection component.

[0044] Figure 9 It is a structural diagram of the pole frame positioning parts.

[0045] Figure 1. Base assembly, 2. Laser marking assembly, 3. Positioning and rotating assembly, 4. Positioning and detection assembly, 101. Base, 102. Adjustment feet, 201. Laser marking machine, 202. Marking machine support, 203. Marking head support, 204. Buffer support A, 205. Buffer A, 206. Cylinder A, 207. Connecting plate, 208. Adjustment shim A, 209. Linear guide rail A, 301. Pole frame workpiece, 302. Support base, 303. Adjustment shim B, 304. Rotary support, 305. Rotary bearing, 306. Servo motor, 307. Tensioner, 308. Cylinder B, 309. Changeover positioning pin, 310. Pole frame support block, 311. Linear guide rail A, 312. Leveling pad, 313. Linear guide rail B, 314. Pallet, 315. Support plate, 401. Camera base, 402. Positioning camera bracket, 403. Inspection camera bracket, 404. Linear guide rail B, 405. Inspection switch, 406. Inspection camera positioning cylinder, 407. Positioning camera positioning cylinder, 408. Inspection camera, 409. Inspection camera light source, 410. Positioning camera, 411. Positioning camera light source, 412. Carrier plate. DETAILED DESCRIPTION

[0046] The present invention is further described below with reference to the accompanying drawings, but the present invention is not limited to the following embodiments. The laser marking machine, cylinder A, servo motor, cylinder B, detection switch, detection camera positioning cylinder, positioning camera positioning cylinder, detection camera, detection camera light source, positioning camera, and positioning camera light source connected to the PLC control system in the embodiments are not limited to specific models and only need to achieve their working functions. Example

[0047] A laser marking device for pole frame lettering, such as Figures 1-9 As shown, it includes a base assembly 1, a laser marking assembly 2, a positioning and rotating assembly 3, and a positioning detection assembly 4; the laser marking assembly 2 for laser marking the workpiece pole frame, the positioning and rotating assembly 3 for positioning the workpiece and rotating it, and the positioning detection assembly 4 for reading whether the marking code is qualified are all arranged on the base assembly 1, wherein the laser marking assembly 2 and the positioning detection assembly 4 are arranged on the side of the positioning and rotating assembly 3.

[0048] The base assembly 1 includes a base 101 and an adjustment foot 102. The adjustment foot 102 is provided at the bottom of the base 101 and the base 101 is fixed to the ground via the adjustment foot 102. The base 101 is a planar frame that supports the other components; the adjustment foot 102 is used for overall height adjustment.

[0049] The laser marking assembly 2 includes a marking machine support 202 and a laser marking machine 201; the laser marking machine 201 is arranged above the marking machine support 202, and the laser marking machine 201 is arranged on a connecting plate 207, which is connected to the top surface of the marking machine support 202 through a guide mechanism; a cylinder A 206 is provided on the bottom surface of the connecting plate 207, and buffers are respectively configured at the front and rear ends of the cylinder A 206; and a limit pin is provided on the bottom surface of the connecting plate 207 corresponding to the buffer.

[0050] The buffer is arranged on the buffer bracket, and the position of the buffer can be set according to the workpiece size requirement.

[0051] The connecting plate 207 is further provided with a marking head bracket 203 for fixing the marking head.

[0052] The guide assembly includes a linear slide rail A 209 and a slider. The linear slide rail A 209 is arranged on the top surface of the marking machine support 202, and the slider is arranged on the connecting plate 207. The linear slide rail A 209 and the slider are preferably arranged in two groups.

[0053] During specific operation, since the pole frame workpiece 301 has two sizes, the two buffers and the two limit pins corresponding to the buffers on the bottom of the connecting plate 207 are used to limit the cylinder A 206, which can meet the sizes of the two pole frame workpieces 301 to complete the work.

[0054] The positioning and rotating assembly 3 includes a support base 302, a support plate 315 is provided on the support base 302, a slewing bearing 305 is provided on the support plate 315, a slewing bracket 304 is sleeved on the outer periphery of the slewing bearing 305, and the slewing bracket 304 is a polygonal bracket as a whole and has a through hole in the center for placing the slewing bearing 305; a connecting end is provided on the outer side of the slewing bracket 304, and a pole frame positioning member for positioning the pole frame workpiece 301 is provided on the connecting end; and at least three pole frame positioning members are provided;

[0055] The support base 302 is further provided with a servo motor 306, which is connected to a gear via a reducer. The gear is provided on the support plate 315, and the gear is meshed with the inner side of the slewing bearing 305;

[0056] The pole frame positioning member includes a fixed plate, which is connected to the connecting end of the rotating bracket 304 through the fixed plate; horizontal adjustment pads 312 for adjusting the horizontal position of the pole frame positioning member are provided around the fixed plate; a tray 314 is provided above the fixed plate, and the fixed plate and the removal tray 314 are connected by a linear guide A 311 and a slider; a pole frame workpiece 301 placement position is provided on the tray 314, a pole frame support block 310 is provided on one side of the pole frame workpiece 301 placement position, and a tensioning block 307 is provided on the other side, and the tensioning block 307 is connected to the tray 314 by a linear guide B 313 and a slider; one end of the tensioning block 307 is connected to the piston rod of the cylinder B 308 for driving.

[0057] The pole frame support block 310 is disposed on the tray 314 ; the pole frame support block 310 is disposed on the outer circumference of the pole frame workpiece 301 , and the tensioning block 307 is disposed on the inner circumference of the pole frame workpiece 301 .

[0058] The tray 314 and the fixed plate are provided with a number of pin holes corresponding to the two pole frame workpieces 301, and the pole frame positioning piece is equipped with a number of changing positioning pins 309; the changing positioning pins 309 limit the tray 314 to the required position of the fixed plate corresponding to the workpiece through the pin holes.

[0059] The linear guide rail B 313 is disposed on the tray 314 , and the slider is disposed on the tensioning block 307 .

[0060] The linear guide rail A 311 is set on the fixed plate, and the slider is set on the tray 314. During specific use, due to the two sizes of the pole frame workpiece 301, before installing the workpiece, the tray 314 is manually moved according to the size of the workpiece. The tray 314 slides on the fixed plate through the linear guide rail A 311 and the slider. After reaching the position corresponding to the specific workpiece, the tray 314 is fixed to the fixed plate through the conversion positioning pin 309 and the pin hole.

[0061] The positioning detection component 4 includes a camera base 401, and a carrier plate 412 is provided on the top surface of the camera base 401; a detection camera group and a positioning camera group are provided on the carrier plate 412; the detection camera group and the positioning camera group are respectively connected to the carrier plate 412 through a guide component to realize forward and backward movement; a number of detection switches 405 for monitoring whether the detection camera group and the positioning camera group are in place are also provided on the carrier plate 412.

[0062] The inspection camera assembly includes an inspection camera bracket 403 mounted on a pallet connected to a carrier plate 412 via a guide assembly to drive the inspection camera assembly forward and backward. The inspection camera bracket 403 is equipped with an inspection camera 408 and an inspection camera light source 409. The bottom surface of the pallet is equipped with an inspection camera positioning cylinder 406, and two buffers are positioned adjacent to the inspection camera positioning cylinder 406. Limit pins are provided on the bottom surface of the pallet corresponding to the buffers. The buffers are mounted on the buffer bracket and can be positioned to correspond to the workpiece size requirements.

[0063] The positioning camera assembly includes a positioning camera bracket 402 mounted on a pallet, which is connected to a carrier plate 412 via a guide assembly to drive the positioning camera assembly forward and backward. The positioning camera bracket 402 is equipped with a positioning camera 410 and a positioning camera light source 411. The bottom surface of the pallet is equipped with a positioning camera positioning cylinder 407, and two buffers are positioned adjacent to the positioning camera positioning cylinder 407. Limit pins are provided on the bottom surface of the pallet corresponding to the buffers. The buffers are mounted on the buffer bracket, and their positions can be set according to the workpiece size requirements.

[0064] The guide assembly includes a linear guide rail B 404 and a slider. The linear guide rail B 404 is arranged on the carrier plate 412, and the slider is arranged on the support plate. The linear guide rail B 404 and the slider are preferably arranged in two groups.

[0065] During specific operation, since the pole frame workpiece 301 has two sizes, the detection camera group and the positioning camera group use two separately provided buffers and two limit pins set on the bottom of the support plate corresponding to the buffers to limit the detection camera positioning cylinder 406 and the positioning camera positioning cylinder 407, which can meet the sizes of the two pole frame workpieces 301 to complete the work.

[0066] The detection camera 408 and the positioning camera 410 are not limited to specific models, as long as their working functions are realized. The detection camera 408 and the positioning camera 410 are preferably Sandi MV-SD200M.

[0067] Furthermore, the bottoms of the laser marking component 2 , the positioning rotation component 3 , and the positioning detection component 4 are all provided with adjustment shims for adjusting the height.

[0068] The device is also provided with a PLC control system, and the laser marking machine 201, the air cylinder A 206, the servo motor 306, the air cylinder B 308, the detection switch 405, the detection camera positioning air cylinder 406, the positioning camera positioning air cylinder 407, the detection camera 408, the detection camera light source 409, the positioning camera 410 and the positioning camera light source 411 are connected with the PLC control system respectively. And they are not limited to a specific model, and the working function can be realized.

[0069] In specific use, the base assembly 1 serves as the carrier of other assemblies as a whole. The workpiece is positioned on the pole frame positioning piece of the positioning and rotating assembly 3 by the truss manipulator or other feeding mechanism (existing equipment, commercially available, which can realize the function of moving the workpiece). After the workpiece is positioned on the pole frame positioning piece, the air cylinder B 308 is extended to tighten the workpiece. After the workpiece is positioned, the positioning and rotating assembly 3 rotates, the servo motor 306 is started, the workpiece is rotated, the positioning and detecting assembly 4 captures the characteristic points of the pole frame, the positioning and rotating assembly 3 stops, the servo motor 306 stops, the laser marking assembly 2 starts laser marking, the positioning and rotating assembly 3 reversely rotates after laser marking, and the positioning and detecting assembly 4 reads whether the marked code is qualified. After the code is qualified, the truss manipulator or other feeding mechanism (existing equipment, commercially available, which can realize the function of moving the workpiece) takes the workpiece, and the servo motor returns to the original position.

[0070] Although the present application has been described in detail in the foregoing description with general principles and specific embodiments, some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the present application, all belong to the scope of the present application.

Claims

1. A laser marking device for pole frame engraving, characterized in that: The invention comprises a base assembly (1), a laser marking assembly (2), a positioning rotation assembly (3), and a positioning detection assembly (4); the laser marking assembly (2) for laser marking a workpiece frame, the positioning rotation assembly (3) for rotating the workpiece after positioning, and the positioning detection assembly (4) for reading whether the marking code is qualified are all arranged on the base assembly (1), wherein the laser marking assembly (2) and the positioning detection assembly (4) are arranged on the side of the positioning rotation assembly (3); The pole frame positioning member on the positioning rotation assembly (3) includes a fixed plate, and the pole frame positioning member is connected to the connecting end of the rotating bracket (304) through the fixed plate; a horizontal adjustment pad (312) for adjusting the horizontal position of the pole frame positioning member is provided around the fixed plate; a tray (314) is provided above the fixed plate, and the fixed plate and the removal tray (314) are connected via a linear guide rail A (311) and a slider; a pole frame workpiece (301) placement position is provided on the tray (314), a pole frame support block (310) is provided on one side of the pole frame workpiece (301) placement position, and a tensioning block (307) is provided on the other side, and the tensioning block (307) is connected to the tray (314) via a linear guide rail B (313) and a slider; one end of the tensioning block (307) is connected to the piston rod of the cylinder B (308) to achieve driving; The laser marking assembly (2) comprises a marking machine support (202) and a laser marking machine (201); the laser marking machine (201) is arranged above the marking machine support (202), and the laser marking machine (201) is arranged on a connecting plate (207), and the connecting plate (207) is connected to the top surface of the marking machine support (202) through a guide mechanism; a cylinder A (206) is provided on the bottom surface of the connecting plate (207), and buffers are respectively configured at the front and rear ends of the cylinder A (206); and a limit pin is provided on the bottom surface of the connecting plate (207) corresponding to the buffer; Two buffers and two limiting pins provided on the bottom surface of the connecting plate (207) corresponding to the buffers are used to limit the cylinder A (206) and realize the positioning of the pole frame workpieces (301) of two sizes; The pole frame support block (310) is arranged on the tray (314); the pole frame support block (310) is arranged on the outer circumference of the pole frame workpiece (301), and the tensioning block (307) is arranged on the inner circumference of the pole frame workpiece (301); The tray (314) and the fixed plate are provided with a plurality of pin holes corresponding to the two pole frame workpieces (301), and the pole frame positioning piece is provided with a plurality of changing positioning pins (309); the changing positioning pins (309) limit the tray (314) at the required position of the fixed plate corresponding to the workpiece through the pin holes.

2. The laser marking device for pole frame engraving according to claim 1, characterized in that: The base assembly (1) comprises a base (101) and an adjusting foot (102); the adjusting foot (102) is arranged at the bottom of the base (101), and the base (101) is fixed on the ground via the adjusting foot (102).

3. The laser marking device for pole frame engraving according to claim 2, characterized in that: The positioning rotation assembly (3) comprises a support seat (302), a support plate (315) is provided on the support seat (302), a slewing bearing (305) is provided on the support plate (315), a slewing bracket (304) is sleeved on the outer periphery of the slewing bearing (305), the slewing bracket (304) is a polygonal bracket as a whole and has a through hole at the center for placing the slewing bearing (305); a connecting end is provided on the outer side of the slewing bracket (304), and a pole frame positioning piece for positioning the pole frame workpiece (301) is provided on the connecting end; and more than three pole frame positioning pieces are provided; A servo motor (306) is also provided on the support base (302). The servo motor (306) is connected to a gear via a reducer. The gear is provided on the support plate (315), and the gear is meshed and connected with the inner side of the slewing bearing (305).

4. The laser marking device for pole frame engraving according to claim 3, characterized in that: The positioning detection component (4) includes a camera base (401), and a carrier plate (412) is provided on the top surface of the camera base (401); a detection camera group and a positioning camera group are provided on the carrier plate (412); the detection camera group and the positioning camera group are respectively connected to the carrier plate (412) through a guide component to achieve forward and backward movement; and a plurality of detection switches (405) for monitoring whether the detection camera group and the positioning camera group are in place are also provided on the carrier plate (412).

5. The laser marking device for pole frame engraving according to claim 4, characterized in that: The guide assembly includes a linear slide rail A (209) and a slider, wherein the linear slide rail A (209) is arranged on the top surface of the marking machine support (202), and the slider is arranged on the connecting plate (207); the linear slide rail A (209) and the slider are arranged in two groups.

6. The laser marking device for pole frame engraving according to claim 5, characterized in that: The inspection camera group includes an inspection camera bracket (403), which is arranged on a support plate. The support plate is connected to a carrier plate (412) via a guide assembly to drive the inspection camera group to move forward and backward. The inspection camera bracket (403) is provided with an inspection camera (408) and an inspection camera light source (409); the bottom surface of the support plate is provided with an inspection camera positioning cylinder (406), and two buffers are provided adjacent to the inspection camera positioning cylinder (406); and a limit pin is provided on the bottom surface of the support plate corresponding to the buffer.

7. The laser marking device for pole frame engraving according to claim 6, characterized in that: The positioning camera group includes a positioning camera bracket (402), which is arranged on a supporting plate. The supporting plate is connected to a carrier plate (412) through a guide component to drive the positioning camera group to move forward and backward. The positioning camera bracket (402) is provided with a positioning camera (410) and a positioning camera light source (411); the bottom surface of the supporting plate is provided with a positioning camera positioning cylinder (407), and two buffers are provided adjacent to the positioning camera positioning cylinder (407); and the bottom surface of the supporting plate is provided with a limit pin corresponding to the buffer.

8. The laser marking device for pole frame engraving according to claim 7, characterized in that: Adjustment pads for adjusting height are provided at the bottoms of the laser marking component (2), the positioning rotation component (3), and the positioning detection component (4).

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