An apparatus for online dressing of round billet flame cutting lumps

Abstract

The utility model relates to a kind of online dressing round billet flame cutting nodule's device, including grinding wheel system, cylinder system and translation base system, cylinder system is set on translation base system, grinding wheel system is set in cylinder system;Translation base system includes track, sliding base and translation motor, and translation motor drives sliding base to translate on track;Cylinder system includes cylinder and cylinder motor, and round billet passes through from the central axis of cylinder;Cylinder motor drives cylinder to rotate along its central axis;Grinding wheel system includes grinding wheel, lifting motor and lifting mechanism being set in the inner wall of cylinder, and lifting motor controls lifting mechanism to drive grinding wheel to be close to or reset to the central axis of cylinder.The utility model simultaneously dresses two ends of two round billets, and the circulation dressing can be completed two ends of one round billet at a time, can 360° to the cutting nodule of round billet end portion is ground and is handled, guarantees the full coverage of round billet end portion dressing, greatly improves the efficiency of dressing.

Description

Technical Field

[0001] This utility model relates to an online device for grinding flame-cutting defects on round billets, belonging to the technical field of auxiliary tools and processes for flame-cutting round billets. Background Technology

[0002] With advancements in continuous casting technology, the quality of round billets is increasingly approaching that of steel ingots. Within steel enterprises, continuously cast round billets are used for rolling large-diameter round steel bars, and more and more continuously cast round billets are beginning to replace ingot-cast steel bars for forging parts in fields such as energy equipment and engineering machinery.

[0003] During the casting process of round billets, steel companies need to cut the high-temperature billets online to meet different length requirements. Flame cutting offers numerous advantages, including simple equipment structure, low investment, wide applicability, and easy operation. Currently, flame cutting is the primary method for online cutting of round billets. During flame cutting, molten steel and oxide slag adhere to the area around the billet's end, with most of the molten steel flowing below the end, forming a severe cutting nodule.

[0004] If the cutting nodules at the ends of billets are not removed, they will deform and be pressed into the surface of the steel and forgings during hot rolling or forging. Severe cutting nodules will form large flash, while smaller ones will form more serious "peeling" defects. If these defects are not removed in subsequent sawing processes, they will be inherited by the finished steel or forgings. If large flash falls into the gaps between the rollers or guide rollers during rolling, it will directly or indirectly cause scratches on the steel surface. Therefore, the cutting nodules at the ends of billets must be removed. Currently, there are two methods for removing cutting nodules at the ends of billets: one is online treatment, such as patent publication number CN20650929U "Cut Nodule Blowing Device for Six-Strand Continuous Casting Billet Flame Cutting Equipment", which uses compressed air to blow away the cutting nodules generated during flame cutting; and patent publication number CN110756757U "A Device and Method for Improving the Efficiency of Removing Cut Nodules from Billets", which uses a scraper device to remove the cutting nodules at high temperatures.

[0005] Currently, most methods for removing flame-cutting burrs from round billets not only severely impact production schedules and increase worker workload, but also fail to completely remove the burrs. Therefore, there is an urgent need on-line device and method for completely removing burrs in production facilities. Summary of the Invention

[0006] To address the aforementioned problems, this utility model discloses an online device for grinding flame-cutting imperfections in round billets, the specific technical solution of which is as follows: An online device for grinding flame-cut burrs on round blanks includes a grinding wheel system, a roller system, and a translational base system. The roller system is mounted on the translational base system, and the grinding wheel system is mounted inside the roller system. The translation base system includes a track (1), a sliding base (2), and a translation motor (16). The track (1) has a groove along the direction of movement of the round blank (3). The bottom of the sliding base (2) is provided with a slider that is adapted to the groove. The slider can move back and forth in the groove. The translation motor (16) is set on the track (1) at one end of the groove. The output shaft of the translation motor (16) drives the lead screw mechanism. The end of the extension shaft of the lead screw mechanism is connected to the sliding base (2). When the translation motor (16) is working, it drives the lead screw mechanism to pull and move the sliding base (2) to translate on the track (1). The roller system includes a roller (9) and a roller motor (7). Both the roller (9) and the roller motor (7) are mounted on a sliding base (2). The axial centerline of the roller (9) is continuous. The axial direction of the roller (9) is parallel to the moving direction of the round blank (3), and the round blank (3) passes through the central axis of the roller (9). The roller motor (7) drives a transmission system (6), which is also mounted on the sliding base (2). The transmission system (6) lifts the roller (9), and the roller motor (7) drives the roller (9) to rotate along its central axis through the transmission system (6). The grinding wheel system includes a grinding wheel (5), a lifting motor (12), and a lifting mechanism disposed on the inner wall of the drum (9). The grinding wheel (5) is disposed on the top of the lifting mechanism. The lifting motor (12) controls the lifting mechanism to drive the grinding wheel (5) to move closer to or reset towards the central axis of the drum (9).

[0007] Furthermore, the transmission system (6) includes one driving wheel and four driven wheels. The roller motor (7) drives and controls the driving wheel to rotate. The driving wheel drives the roller (9) to rotate. The driven wheels are evenly distributed at both ends of the roller (9) near the outer side, supporting the roller (9) horizontally.

[0008] Furthermore, the driving wheel is a driving gear, which is sleeved and fixed outside the output shaft of the drum motor (7). The outer wall of the drum (9) is sleeved with a driving external gear ring, and the driving gear meshes with the driving external gear ring.

[0009] Furthermore, the driven wheel is a driven gear or a driven pulley. When the driven wheel is a driven gear, the outer wall of the roller (9) is fitted with a driven external gear ring that meshes with the driven gear. When the driven wheel is a driven pulley, the outer wall of the roller (9) is fitted with a convex ring that cooperates with it. The convex ring is located in the groove of the driven pulley.

[0010] Furthermore, the inner wall of the roller (9) is spirally provided with a spiral groove, which spirals from the center of the roller (9) along its length toward both ends.

[0011] Furthermore, the sliding base (2) is provided with two chutes (17), which are located at the two ends of the roller (9) and do not contact the roller (9). The chutes (17) extend downwards at an angle toward the outside of the track (1), and the direction of extension of the chutes (17) is perpendicular to the direction of movement of the round blank (3).

[0012] Furthermore, the lifting mechanism includes a lead screw mechanism II located at the output end of the lifting motor (12), the end of which is connected to the lifting block (14), and the grinding wheel (5) is located on the top of the lifting block (14) via a support frame (13).

[0013] Furthermore, a cover (8) is provided on the sliding base (2), and the cover (8) surrounds the outside of the roller (9).

[0014] Furthermore, an image recognition system is also provided on the track (1), and the image recognition system is located at the upstream end of the track (1).

[0015] The working principle of this patent is as follows: After the round blank is flame-cut, the roller conveyor of the flame-cutting machine stops operating. The cut round blank is not separated from the uncut round blank. The cut round blank is conveyed forward by the uncut round blank "head to head". The flame cutting seam is detected by the image recognition system. When the flame cutting seam reaches the position of the grinding wheel, the translation motor controls the screw mechanism. The ball screw drives the sliding base to move synchronously with the round blank on the track according to the pulling speed of the flowing round blank. The grinding wheel starts to run. The running grinding wheel moves closer to the flame cutting edge under the support of the support frame. When the grinding begins, the drum starts to rotate slowly along the circumference under the drive of the transmission system. When the rotating drum rotates to the starting position, the grinding wheel and the drum immediately stop rotating. The grinding wheel quickly returns to its original position under the support of the support frame. At the same time, the sliding base also moves quickly. The debris generated by the grinding is "transmitted" to the chute for collection under the rotation of the drum. The grinding wheel grinding device and the cutting edge grinding device return to their waiting positions.

[0016] Compared with existing blank end grinding devices, this patent has the following advantages: 1. This patented device can perform 360° grinding on the cutting edge of the round blank, ensuring full coverage of the grinding of the round blank end.

[0017] 2. This patented device innovatively utilizes the short-time mandrel movement operation of the round blank to simultaneously grind the two ends of two round blanks. The cyclic grinding can complete the grinding of both ends of a round blank in one go, greatly improving the grinding efficiency.

[0018] 3. This patent can process the ends of round billets in a red-hot state during the casting process online, thereby improving the turnover efficiency of round billets.

[0019] 4. This patented device does not require additional space and can be installed and used by utilizing the intervals between the continuous casting rollers.

[0020] 5. Since this patented device grinds the end of the billet immediately after flame cutting, the cutting nodules have not yet completely solidified and are easy to remove. Attached Figure Description

[0021] Figure 1 This is the front view of this utility model. Figure 2 yes Figure 1 The right view, Figure 3 This is an axial sectional view of the roller of this utility model. Figure 4 This is an external view of the roller of this utility model. Figure 5 This is an enlarged view of the driven pulley of this utility model. List of reference numerals in the attached drawings: 1-track, 2-sliding base, 3-round blank, 4-grinding device, 5-grinding wheel, 6-transmission system, 7-drum motor, 8-cover, 9-drum, 10-spiral groove, 11-flame cutting slit, 12-lifting motor, 13-support frame, 14-lifting block, 16-translation motor, 17-chute, 18-ground roller, 19-screw mechanism, 20-driving gear, 21-driving external gear ring, 22-convex ring, 23-driven pulley. Detailed Implementation

[0022] The present invention will be further illustrated below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0023] Combined with appendix Figure 1-3As can be seen, this patent discloses an online device for grinding flame-cut burrs on a round billet. The device includes a track 1 at the bottom, and a sliding base 2 that can move back and forth (in the direction of movement of the round billet 3) on the track 1. The back and forth movement of the sliding base 2 is achieved by a lead screw mechanism driven by a translation motor 16. The sliding base 2 is equipped with a transmission system 6, a roller 9, a cover 8, and an image recognition system. The cover 8 surrounds and protects the roller 9 and the transmission system 6. A grinding wheel grinding device 4 is installed inside the roller 9. The grinding wheel grinding device 4 specifically includes a grinding wheel 5, a support frame 13, a slider 14, and a lifting motor 12. The transmission system 6 drives the roller 9 to rotate under the action of the roller motor 7. The grinding wheel grinding device 4 is fixed to the inner wall of the roller 9, that is, the grinding wheel grinding device 4 rotates along the circumference of the round billet 3 together with the roller. The image recognition system is set directly below the grinding wheel grinding device and is used to identify and detect the flame-cut burr 11 of the round billet.

[0024] The structure of this utility model is described in detail below: This online device for grinding flame-cutting defects on round blanks includes a grinding wheel system, a roller system, and a translational base system. The roller system is mounted on the translational base system, and the grinding wheel system is mounted inside the roller system.

[0025] The translation base system includes a track 1, a sliding base 2, and a translation motor 16. The track 1 has a groove along the direction of movement of the round blank 3. The bottom of the sliding base 2 has a slider adapted to the groove, allowing the slider to move back and forth within the groove. The translation motor 16 is mounted on the track 1 at one end of the groove. The output shaft of the translation motor 16 drives a lead screw mechanism 19. The end of the extension shaft of the lead screw mechanism is connected to the sliding base 2. When the translation motor 16 operates, it drives the lead screw mechanism to pull and move the sliding base 2 translating along the track 1. (See details...) Figure 1 The lead screw sleeve of the lead screw mechanism 19 is located in and fixedly connected to the sliding base 2. The lead screw of the lead screw mechanism 19 passes through the lead screw sleeve and the sliding base 2. Driven by the translation motor 16, the lead screw of the lead screw mechanism 19 rotates, and the lead screw sleeve translates on the lead screw, carrying the sliding base 2 to translate along the lead screw, thus realizing the translational movement of the sliding base 2. The sliding groove and the slider cooperate to limit the movement direction of the sliding base 2.

[0026] The roller system includes a roller 9 and a roller motor 7. Both roller 9 and roller motor 7 are mounted on the sliding base 2. The axial centerline of roller 9 is continuous, and the axial direction of roller 9 is parallel to the moving direction of the round blank 3. The round blank 3 passes through the central axis of roller 9. The roller motor 7 drives and connects to the transmission system 6, which is also mounted on the sliding base 2. The transmission system 6 lifts roller 9, and the roller motor 7 drives roller 9 to rotate along its central axis through the transmission system 6.

[0027] The transmission system 6 includes one driving wheel and four driven wheels. The roller motor 7 drives and controls the rotation of the driving wheel, which in turn drives the roller 9 to rotate. The driven wheels are evenly distributed at both ends of the roller 9 near the outer edges, supporting the roller 9 horizontally. The driving wheel is a driving gear, which is sleeved and fixed to the output shaft of the roller motor 7. A driving external gear ring 21 is sleeved on the outer wall of the roller 9, and the driving gear 20 meshes with the driving external gear ring 21.

[0028] The driven wheel can be implemented in various ways; two specific examples are given below.

[0029] Example 1

[0030] The driven wheel is a driven gear, and a driven external gear ring that meshes with the driven gear is fitted on the outer wall of the drum 9. The two ends of the central shaft of the driven gear are located at the top of the support, and bearings are provided at the connection between the central shaft of the driven gear and the top of the support. The two ends of the central shaft of the driven gear pass through the bearings, and the driven gear can rotate freely around the bearings, thus providing support for the drum 9.

[0031] Example 2

[0032] See Figure 4 and 5 The driven pulley is a driven belt pulley 23, and a corresponding convex ring 22 is fitted on the outer wall of the roller 9. The convex ring 22 is located in the groove of the driven belt pulley. The driven belt pulley 23 is suspended on the sliding base 2 by a bracket. The bracket includes uprights at both ends and a central shaft at the top of the uprights that passes through the central axis of the driven belt pulley 23. The driven belt pulley 23 can rotate arbitrarily around the central shaft to achieve driven engagement and provide support and balance for the roller 9.

[0033] Of course, in this patent, the drive wheel can also be driven by a belt. The roller motor 7 can be connected to the drive wheel via a reducer.

[0034] The inner wall of the roller 9 is spirally provided with spiral grooves 10, which spiral from the center of the roller 9 along its length toward both ends. The sliding base 2 is provided with two chutes 17; their specific locations and shapes are detailed in [reference needed]. Figure 1 and 2 The chute 17 is suspended and fixed to the upper sliding base 2 by a support rod installed below it. The two chute 17s are located at the two ends of the roller 9 and do not contact the roller 9. The chute 17s extend downwards at an angle towards the outside of the track 1, and the direction of extension of the chute 17s is perpendicular to the direction of movement of the billet 3. The debris generated during grinding falls onto the spiral groove 10 and is "transmitted" by the spiral groove 10 to the chute 17 for collection when the roller 9 rotates. It then slides from the chute 17 to the left and right sides of the track 1 (the sides of the direction of movement of the billet 3, not the direction of movement of the billet 3).

[0035] The grinding wheel system includes a grinding wheel 5, a lifting motor 12, and a lifting mechanism installed on the inner wall of the drum 9. The grinding wheel 5 is installed on top of the lifting mechanism, and the lifting motor 12 controls the lifting mechanism to drive the grinding wheel 5 to move closer to or return to the central axis of the drum 9.

[0036] The lifting mechanism includes a lead screw mechanism II located at the output end of the lifting motor 12. (The lead screw mechanism II is similar in configuration to the lead screw mechanism in the translation base system; however, in the lifting mechanism, the grinding wheel needs to be driven to move vertically, so the lead screw is vertically positioned, i.e., in the axial direction of the roller. Furthermore, the lead screw mechanism is a conventional choice, directly selected and installed without any modification. It is a mature structure in the mechanical field, well-known to those skilled in the art, and its installation and use are standard practices. Therefore, no further details are provided, and there is no suspicion of non-disclosure of technology. Those skilled in the art, upon seeing this patent description, will readily understand how to install and use it.) The end of the lead screw mechanism II is connected to the lifting block 14, and the grinding wheel 5 is mounted on top of the lifting block 14 via a support frame 13. See also... Figure 3 The lifting block 14 and the support frame 13 are both ordinary connecting parts, which serve to provide the installation position.

[0037] In order to provide external protection for this utility model and for overall aesthetics, a cover 8 is provided on the sliding base 2, which surrounds the outside of the roller 9.

[0038] To enable automatic activation of this invention during use, an image recognition system is also installed on the track 1, located at the upstream end of the track 1. Once the image recognition system detects a flame-cut slit 11 on a passing round blank, the invention is activated. The activation timing is set so that after the flame-cut slit 11 enters the drum 9, it can be promptly ground by the grinding wheel, and the flame-cut slit 11 is completely ground around its circumference before leaving the drum.

[0039] The execution process of this patent is as follows: The device of this patent is set in the interval between the continuous casting rollers. The cut round billet 3 enters the roller 9 from the upstream. After the image recognition system detects and identifies the flame cutting seam 11, the translation motor 16 and the lead screw mechanism cooperate to drive the sliding base 2 to move along the direction of the round billet 3 on the track 1. Its moving speed is consistent with and synchronized with the pulling speed of the flowing round billet 3. When the translation motor 16 rotates, the lifting motor 12 cooperates with its lead screw mechanism to lift the grinding wheel 5 upward through the lifting block 14 and the support frame 13. At the same time, the grinding wheel... 5. The grinding wheel 15 starts to rotate at high speed. After the high-speed rotating grinding wheel 15 contacts the flame cutting seam 11, it grinds the protruding part. After the grinding wheel grinding begins, the transmission system 6 drives the drum 9 to rotate. Under the drive of the drum 9, the grinding wheel grinding device 4 completes the grinding process of the flame cutting seam of the round blank 3. After the drum 9 rotates one revolution, the drum 9 and the grinding wheel 5 stop rotating. The lifting motor 12, together with its lead screw mechanism, lifts the grinding wheel 5 down to the starting position and resets it. At the same time, the sliding base 2 returns to the waiting position under the drive of the translation motor 16, that is, resets.

[0040] The roller motor 7, lifting motor 12, and translation motor 16 in this patent can all be selected as corresponding servo motors according to the power used.

[0041] Those skilled in the art will understand that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless defined as herein.

[0042] The term "connection" as used in this application can mean a direct connection between components or an indirect connection between components through other components.

[0043] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. An apparatus for online grinding of flame-cut burrs on round billets, characterized in that, It includes a grinding wheel system, a roller system, and a translational base system, wherein the roller system is mounted on the translational base system, and the grinding wheel system is mounted inside the roller system; The translation base system includes a track (1), a sliding base (2), and a translation motor (16). The track (1) has a groove along the direction of movement of the round blank (3). The bottom of the sliding base (2) is provided with a slider that is adapted to the groove. The slider can move back and forth in the groove. The translation motor (16) is set on the track (1) at one end of the groove. The output shaft of the translation motor (16) drives the lead screw mechanism. The end of the extension shaft of the lead screw mechanism is connected to the sliding base (2). When the translation motor (16) is working, it drives the lead screw mechanism to pull and move the sliding base (2) to translate on the track (1). The roller system includes a roller (9) and a roller motor (7). Both the roller (9) and the roller motor (7) are mounted on a sliding base (2). The axial centerline of the roller (9) is continuous. The axial direction of the roller (9) is parallel to the moving direction of the round blank (3), and the round blank (3) passes through the central axis of the roller (9). The roller motor (7) drives a transmission system (6), which is also mounted on the sliding base (2). The transmission system (6) lifts the roller (9), and the roller motor (7) drives the roller (9) to rotate along its central axis through the transmission system (6). The grinding wheel system includes a grinding wheel (5), a lifting motor (12), and a lifting mechanism disposed on the inner wall of the drum (9). The grinding wheel (5) is disposed on the top of the lifting mechanism. The lifting motor (12) controls the lifting mechanism to drive the grinding wheel (5) to move closer to or reset towards the central axis of the drum (9).

2. The apparatus for online grinding of flame-cut endplates on round billets according to claim 1, characterized in that, The transmission system (6) includes one driving wheel and four driven wheels. The roller motor (7) drives and controls the driving wheel to rotate. The driving wheel drives the roller (9) to rotate. The driven wheels are evenly distributed at both ends of the roller (9) near the outer side, supporting the roller (9) horizontally.

3. The apparatus for online grinding of flame-cut endplates on round billets according to claim 2, characterized in that, The driving wheel is a driving gear, which is sleeved and fixed outside the output shaft of the drum motor (7). The outer wall of the drum (9) is sleeved with a driving external gear ring, and the driving gear meshes with the driving external gear ring.

4. The apparatus for online grinding of flame-cut endplates on round billets according to claim 2, characterized in that, The driven wheel is a driven gear or a driven pulley. When the driven wheel is a driven gear, the outer wall of the roller (9) is fitted with a driven external gear ring that meshes with the driven gear. When the driven wheel is a driven pulley, the outer wall of the roller (9) is fitted with a convex ring that cooperates with it. The convex ring is located in the groove of the driven pulley.

5. The apparatus for online grinding of flame-cut endplates on round billets according to claim 1, characterized in that, The inner wall of the roller (9) is spirally provided with a spiral groove, which spirals from the center of the roller (9) along its length toward both ends.

6. The apparatus for online grinding of flame-cut endplates on round billets according to claim 1, characterized in that, The sliding base (2) is provided with two chutes (17), which are located at the two ends of the roller (9) and do not contact the roller (9). The chutes (17) extend downwards at an angle toward the outside of the track (1), and the direction of the extension of the chutes (17) is perpendicular to the direction of movement of the round blank (3).

7. The apparatus for online grinding of flame-cut endplates on round billets according to claim 1, characterized in that, The lifting mechanism includes a lead screw mechanism II located at the output end of the lifting motor (12), the end of which is connected to the lifting block (14), and the grinding wheel (5) is located on the top of the lifting block (14) via a support frame (13).

8. The apparatus for online grinding of flame-cut endplates on round billets according to claim 1, characterized in that, The sliding base (2) is provided with a cover (8), which surrounds the outside of the roller (9).

9. The apparatus for online grinding of flame-cut endplates on round billets according to claim 1, characterized in that, An image recognition system is also installed on the track (1), and the image recognition system is located at the upstream end of the track (1).

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