Three-degree-of-freedom cold bed steel billet laser marking equipment
By combining the design of a three-degree-of-freedom cold bed steel billet laser marking equipment, the problem of equipment damage caused by impact during the marking process of steel billets on one side of the cold bed is solved, achieving precise positioning and efficient marking.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-03-03
AI Technical Summary
When existing steel billet laser marking equipment is set up on one side of the cooling bed, the steel billet is prone to misalignment or excessive extension due to impact during the falling process, resulting in collision with the equipment and causing irreversible damage.
The three-degree-of-freedom cold-bed steel billet laser marking equipment includes a correction component, a spraying component, a ranging component, and a marking and reading component. Through components such as anti-collision rollers, automatic air spray guns, scanning lasers, and fiber laser marking devices, it achieves precise positioning and marking of steel billets.
It effectively avoids collisions between steel billets and equipment, improves the spraying effect and marking accuracy, extends the service life of equipment, and ensures the smooth progress of marking work.
Smart Images
Figure CN223960710U_ABST
Abstract
Description
Technical Field
[0001] This utility model is a three-degree-of-freedom cold bed steel billet laser marking device, belonging to the field of steel billet production. Background Technology
[0002] Faced with a wide variety of steels containing different elements but similar appearances, workers are prone to mixing billets during sorting and use. Therefore, steel companies usually equip their continuous casting production lines with steel billet laser marking equipment to mark the batch number, production date, and other information on the end face of freshly produced steel billets.
[0003] In existing technologies, some steel billet laser marking equipment is set up on one side of the cooling bed. The steel billet is first transported to the end of the conveyor chain and then falls onto the cooling bed. The moving teeth of the cooling bed will transport the steel billet to the laser marking equipment for marking. However, during the process of falling, the steel billet is prone to misalignment due to impact, or even the steel billet may extend too far, which may cause it to collide with the laser marking equipment and cause irreversible damage to the equipment. Utility Model Content
[0004] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a three-degree-of-freedom cold bed laser marking device for steel billets. This addresses the problem mentioned in the background section where some steel billet laser marking devices are located on one side of the cold bed. The steel billet is first transported to the end of the conveyor chain and then falls onto the cold bed. The moving teeth of the cold bed transport the steel billet to the laser marking device for marking. However, during the falling process, the steel billet is prone to misalignment due to impact, or even excessive extension of the billet, which may collide with the laser marking device and cause irreversible damage to the device.
[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a three-degree-of-freedom cold bed steel billet laser marking device, including a base, a connecting frame fixedly connected to the side of the base, a correction component provided at the top of the connecting frame, a spraying component provided at the top of the connecting frame on one side of the correction component, a distance measuring component provided at the top of the connecting frame on one side of the spraying component, a marking and code reading component provided at the top of the base, and an adjustment component provided at the bottom of the base;
[0006] The correction assembly includes a rotating shaft rotatably connected within the connecting frame, a tapered roller bearing fixedly connected to the surface of the rotating shaft, a lubrication cavity fixedly connected to the surface of the tapered roller bearing, an oil nozzle fixedly connected to the top of the lubrication cavity, and an anti-collision roller fixedly connected to the side of the lubrication cavity.
[0007] Furthermore, the spraying assembly includes a first electric push rod fixedly connected to the top of the connecting frame. A guide groove is provided on one side of the first electric push rod at the top of the connecting frame. A lower protective cover is fixedly connected to the output end of the first electric push rod. The lower protective cover and the guide groove are slidably connected. A second electric push rod is fixedly connected to the inner wall of the lower protective cover. An automatic air spray gun is fixedly connected to the output end of the second electric push rod. An upper protective cover is fixedly connected to the top of the automatic air spray gun. A spray hole is provided on one side of the upper protective cover. The center of the spray hole and the center of the automatic air spray gun are on the same horizontal line.
[0008] Furthermore, the ranging component includes a protective shell fixedly connected to the top of the connecting frame, a first KK module fixedly connected to the inner wall of the protective shell, a first motor fixedly connected to one end of the first KK module, and a scanning laser disposed on the surface of the first KK module.
[0009] Furthermore, the identification and barcode reading assembly includes a fixed frame fixedly connected to the top of the base, a ball screw rotatably connected inside the fixed frame, a movable motor fixedly connected to one end of the ball screw, a frame threaded onto the surface of the ball screw, a fixed seat fixedly connected inside the frame, a second KK module fixedly connected to one side of the fixed seat, a second motor fixedly connected to one side of the second KK module, a movable seat provided on the surface of the second KK module, a third KK module fixedly connected to one side of the movable seat, a third motor fixedly connected to one side of the third KK module, a fiber laser marking device provided on the surface of the third KK module, and an industrial barcode scanner fixedly connected to the bottom of the fixed seat.
[0010] Furthermore, the adjustment assembly includes a plurality of first support plates fixedly connected to the bottom end of the base, the first support plates having a plurality of threaded rods internally threadedly connected, and the bottom ends of the threaded rods being rotatably connected to a second support plate.
[0011] Furthermore, baffles are fixedly connected to the top of the base on both sides of the identification code reading component, and a buffer pad is fixedly connected to one side of the baffle.
[0012] The beneficial effects of this utility model are as follows: When the steel billet moves to the designated position with the moving teeth of the cooling bed, the second electric push rod will lift the upper protective cover to expose the spray hole. The automatic air spray gun will spray the end face of the steel billet through the spray hole. When the steel billet reaches the next designated position with the moving teeth of the cooling bed, the protective shell, the first motor, and the first KK module will drive the scanning laser to move in the left and right direction to measure the center position of the steel billet and the distance from the fiber laser marking lens to the end face of the steel billet in the front and back direction. The fixed frame, the moving motor, and the ball screw will drive the frame to move in the front and back direction to adjust the position of the fiber laser marking device according to the measurement results of the scanning laser. During this process, the second motor, the third motor, the second KK module, and the third KK module adjust the position of the fiber laser marking device in the left-right and up-down directions to mark the end face of the steel billet. An industrial barcode scanner reads the QR code marked on the end face of the steel billet and transfers the basic data of the steel billet to the internal database of the equipment, thus completing one marking operation of the steel billet. The KK module mainly includes a U-shaped guide rail. A flange for connecting the motor is fixedly connected to one side of the U-shaped guide rail, and a bearing support is fixedly connected to the other side of the U-shaped guide rail. A lead screw is rotatably connected inside the bearing support, and a slide is threaded onto the surface of the lead screw. Due to the modular design of the KK module, it has advantages such as simple installation, high motion accuracy, and high transmission efficiency. Compared with other transmission methods, it can better complete single-degree-of-freedom motion. Therefore, multiple KK modules are used inside the equipment for transmission.
[0013] When the billet moves to the straightening assembly, it will collide with the anti-collision rollers. At this time, the anti-collision rollers will rotate, which not only eliminates the impact of the billet but also aligns the end faces of each billet to eliminate the difference in distance between the end faces of each billet and the automatic air spray gun head, effectively improving the spraying effect. Moreover, before the billet reaches the spraying assembly, the excessively protruding end faces of the billet are straightened to prevent collisions between the billet and the spraying assembly. With the help of the grease nipple, lubricating oil can be added to the tapered roller bearings regularly, thereby preventing the tapered roller bearings from rusting, effectively improving their rotation efficiency and increasing the service life of the straightening assembly. Attached Figure Description
[0014] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0015] Figure 1 This is a schematic diagram of the overall structure of a three-degree-of-freedom cold bed steel billet laser marking device according to this utility model;
[0016] Figure 2 This is a schematic cross-sectional view of the frame structure of a three-degree-of-freedom cold bed steel billet laser marking device according to this utility model;
[0017] Figure 3This is a schematic diagram of the correction component structure of a three-degree-of-freedom cold bed steel billet laser marking device according to this utility model;
[0018] Figure 4 This is a cross-sectional schematic diagram of the spraying component box of a three-degree-of-freedom cold bed steel billet laser marking equipment according to this utility model;
[0019] Figure 5 This is a schematic diagram of the distance measuring component connection structure of a three-degree-of-freedom cold-bed steel billet laser marking device according to this utility model.
[0020] In the diagram: 1. Base; 2. Connecting frame; 3. Correction assembly; 301. Rotating shaft; 302. Tapered roller bearing; 303. Lubrication chamber; 304. Oil nozzle; 305. Anti-collision roller; 4. Spraying assembly; 401. First electric push rod; 402. Guide groove; 403. Lower protective cover; 404. Second electric push rod; 405. Automatic air spray gun; 406. Upper protective cover; 407. Spray nozzle; 5. Distance measuring assembly; 501. Protective shell; 502. First KK module; 503. First motor 504. Scanning laser; 6. Marking and reading assembly; 601. Fixing frame; 602. Ball screw; 603. Moving motor; 604. Frame; 605. Fixing base; 606. Second KK module; 607. Second motor; 608. Moving base; 609. Third KK module; 610. Third motor; 611. Fiber laser marking device; 612. Industrial barcode scanner; 7. Adjustment assembly; 701. First support plate; 702. Threaded rod; 703. Second support plate; 8. Baffle. Detailed Implementation
[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0022] Please see Figures 1 to 5 This utility model provides a technical solution: a three-degree-of-freedom cold bed steel billet laser marking device, including a base 1, a connecting frame 2 fixedly connected to the side of the base 1, a correction component 3 set at the top of the connecting frame 2, a spraying component 4 set at the top of the connecting frame 2 on one side of the correction component 3, a ranging component 5 set at the top of the connecting frame 2 on one side of the spraying component 4, a marking and reading component 6 set at the top of the base 1, and an adjustment component 7 set at the bottom of the base 1;
[0023] The straightening assembly 3 includes a rotating shaft 301 rotatably connected to the connecting frame 2. A tapered roller bearing 302 is fixedly connected to the surface of the rotating shaft 301. A lubrication cavity 303 is fixedly connected to the surface of the tapered roller bearing 302. An oil nozzle 304 is fixedly connected to the top of the lubrication cavity 303. An anti-collision roller 305 is fixedly connected to the side of the lubrication cavity 303.
[0024] When the billet moves to the straightening assembly 3, it will collide with the anti-collision roller 305. At this time, the anti-collision roller 305 will rotate, which can not only eliminate the impact of the billet, but also align the end faces of each billet to eliminate the difference in distance between the end faces of each billet and the nozzle of the automatic air spray gun 405, effectively improving the spraying effect. Moreover, before the billet reaches the spraying assembly 4, the straightening of the billet end face with excessive protrusion can indirectly protect the spraying assembly 4 and prevent the two from colliding. In conjunction with the grease nipple 304, lubricating oil can be added to the tapered roller bearing 302 at regular intervals, thereby preventing the tapered roller bearing 302 from rusting, effectively improving its rotation efficiency and increasing the service life of the straightening assembly 3.
[0025] Please see Figures 1 to 5 This utility model provides a technical solution: the spraying assembly 4 includes a first electric push rod 401 fixedly connected to the top of the connecting frame 2. A guide groove 402 is provided on one side of the first electric push rod 401 at the top of the connecting frame 2. A lower protective cover 403 is fixedly connected to the output end of the first electric push rod 401. The lower protective cover 403 and the guide groove 402 are slidably connected. A second electric push rod 404 is fixedly connected to the inner wall of the lower protective cover 403. An automatic air spray gun 405 is fixedly connected to the output end of the second electric push rod 404. An upper protective cover 406 is fixedly connected to the top of the automatic air spray gun 405. A spray hole 407 is provided on one side of the upper protective cover 406. The center of the spray hole 407 is on the same horizontal line as the center of the automatic air spray gun 405. When the billet moves to the designated position, the second electric push rod 404 lifts the upper protective cover 406 to expose the spray hole 407, and the automatic air spray gun 405 sprays the end face of the billet through the spray hole 407.
[0026] The ranging component 5 includes a protective shell 501 fixedly connected to the top of the connecting frame 2. A first KK module 502 is fixedly connected to the inner wall of the protective shell 501. A first motor 503 is fixedly connected to one end of the first KK module 502. A scanning laser 504 is disposed on the surface of the first KK module 502. When the steel billet reaches the designated position, the protective shell 501, the first motor 503, and the first KK module 502 will drive the scanning laser 504 to move in the left-right direction to measure the center position of the steel billet and the distance from the lens of the fiber laser marking device 611 to the end face of the steel billet in the front-back direction.
[0027] The identification and code reading component 6 includes a fixed frame 601 fixedly connected to the top of the base 1. A ball screw 602 is rotatably connected inside the fixed frame 601. A moving motor 603 is fixedly connected to one end of the ball screw 602. A frame 604 is threadedly connected to the surface of the ball screw 602. A fixed seat 605 is fixedly connected inside the frame 604. A second KK module 606 is fixedly connected to one side of the fixed seat 605. A second motor 607 is fixedly connected to one side of the second KK module 606. A moving seat 608 is provided on the surface of the second KK module 606. A third KK module 609 is fixedly connected to one side of the moving seat 608. A third motor 610 is fixedly connected to one side of the third KK module 609. A fiber laser marking device 611 is provided on the surface of the third KK module 609. An industrial barcode scanner 612 is fixedly connected to the bottom of the fixed seat 605. The frame 604 is moved along the top of the base 1 in the front-back direction by the fixed frame 601, the moving motor 603 and the ball screw 602 to adjust the position of the fiber laser marking device 611 according to the measurement results of the scanning laser 504. During this process, the second motor 607, the third motor 610, the second KK module 606 and the third KK module 609 are used to adjust the position of the fiber laser marking device 611 in the left-right and up-down directions to mark the end face of the billet. During the return of the frame 604, the industrial barcode scanner 612 will read the QR code marked on the end face of the billet and transfer the basic data of the billet to the database inside the equipment, thus completing one marking operation of the billet.
[0028] The adjustment assembly 7 includes several first support plates 701 fixedly connected to the bottom end of the base 1. Several threaded rods 702 are internally threaded onto the first support plates 701, and a second support plate 703 is rotatably connected to the bottom end of each threaded rod 702. Rotating the threaded rods 702 causes them to rise and fall along the interior of the first support plates 701, thereby causing the second support plates 703 connected to the bottom ends of the threaded rods 702 to rise and fall, thus adjusting the height of the base 1.
[0029] The top of the base 1 is fixedly connected to baffles 8 on both sides of the identification barcode reader 6, and a buffer pad is fixedly connected to one side of the baffles 8. The baffles 8 fixed to the top of the base 1 prevent the frame 604 from falling off the base 1 during movement. The buffer pads fixed to the sides of the baffles 8 can reduce the collision between the frame 604 and the baffles 8, thus providing additional protection for the frame 604 and the baffles 8.
[0030] Detailed Implementation: The moving gear of the cooling bed will convey the steel billet located at its top. When the steel billet moves to the designated position, the second electric push rod 404, fixed to the inner wall of the lower protective cover 403, will be activated and lift the automatic air spray gun 405 connected to its output end. This will cause the upper protective cover 406 connected to the top of the automatic air spray gun 405 to slide upward along the surface of the lower protective cover 403 until the spray hole 407 opened on one side of the upper protective cover 406 is exposed. Then, the automatic air spray gun 405 will spray the end face of the steel billet through the spray hole 407. After completion, the automatic air spray gun 405 will quickly return to its original position. When the billet reaches the next designated position along with the moving gear of the cooling bed, the first motor 503 in the protective housing 501 will start and drive the lead screw connected to it in the first KK module 502 to rotate, thereby driving the scanning laser 504 to move in the left and right direction to measure the center position of the billet and the distance from the lens of the fiber laser marking device 611 to the end face of the billet in the front and back direction. After the position of the billet is determined, the moving motor 603 fixed to one side of the fixed frame 601 will start and drive the ball screw connected to it. The lever 602 rotates, thereby causing the frame 604 to move along the top of the base 1 in the front-to-back direction to adjust the position of the fiber laser marking device 611 close to one end of the steel billet according to the measurement results of the scanning laser 504. During this process, the second motor 607 and the third motor 610 will respectively drive the lead screws connected to the second KK module 606 and the third KK module 609 to rotate, thereby driving the fiber laser marking device 611 to move and adjust its position in the left-right and up-down directions to mark the end face of the steel billet, completing the process. The rear frame 604 and the fiber laser marking device 611 will return to their initial positions. During the return of the frame 604, the industrial barcode scanner 612 will read the QR code marked on the end face of the billet and transfer the basic data of the billet to the database inside the equipment, thus completing the marking work of the billet. The KK module mainly includes a U-shaped guide rail. A flange for connecting the motor is fixedly connected to one side of the U-shaped guide rail, and a bearing support is fixedly connected to the other side of the U-shaped guide rail. A lead screw is rotatably connected inside the bearing support, and a slide is threaded on the surface of the lead screw. Due to the modular design of the KK module, it has the advantages of simple installation, high motion accuracy and high transmission efficiency. Compared with other transmission methods, it can better complete single-degree-of-freedom motion. Therefore, multiple KK modules are used inside the equipment for transmission.
[0031] When the steel billet moves to the straightening assembly 3, it will collide with the anti-collision roller 305. At this time, the anti-collision roller 305 will rotate, which not only eliminates the impact of the steel billet, but also aligns the end faces of each steel billet to eliminate the difference in distance between the end faces of each steel billet and the nozzle of the automatic air spray gun 405, effectively improving the spraying effect and facilitating subsequent marking work. Moreover, by straightening the excessively protruding end faces of the steel billet before it reaches the spraying assembly 4, it can indirectly protect the spraying assembly 4 and prevent them from colliding. In addition, the grease nipple 304 installed at the top of the lubrication chamber 303 can periodically add lubricating oil to the tapered roller bearing 302, thereby preventing the tapered roller bearing 302 from rusting, effectively improving its rotation efficiency, and increasing the service life of the straightening assembly 3.
[0032] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A three-degree-of-freedom laser marking device for cold billets, comprising a base (1), characterized in that: The base (1) side fixedly connected with connecting frame (2), the connecting frame (2) top is provided with the correction assembly (3), the connecting frame (2) top is located in the correction assembly (3) one side is provided with spraying assembly (4), the connecting frame (2) top is located in the spraying assembly (4) one side is provided with distance measuring assembly (5), the base (1) top is provided with identification reading code assembly (6), the base (1) bottom is provided with adjusting assembly (7); The correction assembly (3) includes a rotating shaft (301) rotatably connected to the connecting frame (2), the rotating shaft (301) surface is fixedly connected with conical roller bearing (302), the conical roller bearing (302) surface is fixedly connected with lubricating cavity (303), the lubricating cavity (303) top is fixedly connected with oil nozzle (304), the lubricating cavity (303) side is fixedly connected with anti-collision roller (305).
2. The three-degree-of-freedom billet laser marking apparatus of claim 1, wherein: The spraying assembly (4) includes a first electric push rod (401) fixedly connected to the top of the connecting frame (2), the connecting frame (2) top is located in the first electric push rod (401) one side is provided with guide slot (402), the output end of the first electric push rod (401) is fixedly connected with lower protective cover (403), the lower protective cover (403) and the guide slot (402) are slidably connected, the inner wall of the lower protective cover (403) is fixedly connected with the second electric push rod (404), the output end of the second electric push rod (404) is fixedly connected with automatic air spray gun (405), the top of the automatic air spray gun (405) is fixedly connected with upper protective cover (406), the upper protective cover (406) one side is provided with spray hole (407), the center of the spray hole (407) and the center of the automatic air spray gun (405) are located on the same horizontal line.
3. The three-degree-of-freedom billet laser marking apparatus of claim 1, wherein: The distance measuring assembly (5) includes a protective shell (501) fixedly connected to the top of the connecting frame (2), the inner wall of the protective shell (501) is fixedly connected with the first KK module (502), one end of the first KK module (502) is fixedly connected with the first motor (503), the surface of the first KK module (502) is provided with a scanning laser (504).
4. The three-degree-of-freedom billet laser marking apparatus of claim 1, wherein: The identification reading code component (6) includes a fixing frame (601) fixedly connected to the top end of the base (1), a ball screw (602) rotatably connected in the fixing frame (601), a moving motor (603) fixedly connected to one end of the ball screw (602), a frame body (604) threadedly connected to the surface of the ball screw (602), a fixing seat (605) fixedly connected in the frame body (604), a second KK module (606) fixedly connected to one side of the fixing seat (605), a second motor (607) fixedly connected to one side of the second KK module (606), a moving seat (608) arranged on the surface of the second KK module (606), a third KK module (609) fixedly connected to one side of the moving seat (608), a third motor (610) fixedly connected to one side of the third KK module (609), a fiber laser marker (611) arranged on the surface of the third KK module (609), and an industrial code scanner (612) fixedly connected to the bottom end of the fixing seat (605).
5. The three-degree-of-freedom billet laser marking apparatus of claim 1, wherein: The adjusting assembly (7) includes a plurality of first support plates (701) fixedly connected to the bottom end of the base (1), a plurality of threaded rods (702) threadedly connected in the first support plates (701), and second support plates (703) rotatably connected to the bottom ends of the threaded rods (702).
6. The three-degree-of-freedom billet laser marking apparatus of claim 1, wherein: The base (1) is fixedly connected with baffles (8) on both sides of the top end of the identification reading code component (6), and the baffles (8) are fixedly connected with buffer pads on one side.