A surface finishing device for hot-dip galvanized steel sheets

Abstract

The application discloses a surface finishing device for hot-dip galvanized steel plate, which comprises a machine table and a rack fixedly installed on the machine table, and a processing table for finishing the surface of the hot-dip galvanized steel plate is also fixedly installed on the machine table below the rack. The related components are driven to move downward by a lifting motor, the first moving mechanism is used to move the rolling cylinder along the front and back directions for rolling and flattening, and the polishing wheel is rotated for polishing and grinding and can rotate as a whole to expand the working range. The second moving mechanism is used to move the related components left and right, and the two mechanisms are used in cooperation to make the working range wider. The device can not only comprehensively process the hot-dip galvanized steel plate and improve the flattening effect, but also can ensure the uniformity of polishing and grinding, avoid the problem of uneven finishing in local areas, and has a wide working range and can cover the corner areas. Through the adjustment and cooperation of the first moving mechanism and the second moving mechanism, different specifications of steel plates can be flattened, the adaptability is enhanced, the limitation is reduced, and the application range is improved.

Description

Technical Field

[0001] This invention relates to the field of hot-dip galvanized steel sheet processing technology, and in particular to a surface finishing device for hot-dip galvanized steel sheets. Background Technology

[0002] As is well known, the surface finishing equipment for hot-dip galvanized steel sheets is a device used to improve the surface quality of hot-dip galvanized steel sheets. Its main function is to improve the straightness and flatness of the sheet, make the strip surface smooth, and make the yield plateau disappear or less noticeable.

[0003] The surface finishing of hot-dip galvanized steel sheets can be achieved through a process similar to grinding, resulting in a smooth and flat surface. Specifically, this process utilizes specialized equipment to treat the steel sheet surface, primarily achieving the following objectives: (1) Removing roughness: reducing rough and fuzzy areas generated during processing. (2) Improving smoothness: making the steel sheet surface smoother and enhancing overall quality. (3) Improving appearance: increasing surface gloss for a more aesthetically pleasing finish. This treatment method helps improve the performance and applicability of the steel sheet, meeting the surface quality requirements of various fields.

[0004] However, existing surface finishing technologies for hot-dip galvanized steel sheets still have the following problems in the polishing and leveling process:

[0005] (1) Limited leveling effect: Rolling alone cannot completely eliminate the unevenness of the steel plate surface.

[0006] (2) Grinding uniformity: It is difficult to guarantee the uniformity of grinding, and there is a tendency for local polishing to be insufficient or excessive.

[0007] (3) Scope limitation: Due to structural limitations, it cannot cover all surface areas of the steel plate; thus, it is difficult to perform leveling treatment on hot-dip galvanized steel plates of different sizes, resulting in poor adaptability and significant limitations in use. Therefore, this invention proposes a surface finishing treatment device for hot-dip galvanized steel plates. Summary of the Invention

[0008] Based on the technical problems existing in the background art, the present invention proposes a surface finishing device for hot-dip galvanized steel sheets.

[0009] The present invention proposes a surface finishing device for hot-dip galvanized steel sheets, including a machine base and a frame fixedly installed on the machine base. A processing table for finishing the surface of hot-dip galvanized steel sheets is also fixedly installed on the machine base below the frame. A movable seat that moves in the front-back direction is movably installed at the bottom of the frame through a first moving mechanism. Lifting motors are fixedly installed on both sides of the movable seat. A gantry frame is fixedly installed at the output end of the lifting motor. A rolling cylinder for rolling and leveling the hot-dip galvanized steel sheets is movably installed on the inner side of the gantry frame through a drive mechanism.

[0010] A rotary motor is movably mounted on the top inner wall of the portal frame via a second moving mechanism. A rotating frame is fixedly mounted on the output end of the rotary motor. A polishing motor is fixedly mounted on one bottom end of the rotating frame. A polishing wheel for polishing and grinding hot-dip galvanized steel sheets is fixedly mounted on the output end of the polishing motor. A vacuum cleaner is fixedly mounted on one bottom end of the rotating frame. A dust suction hood for vacuuming is fixedly connected to the bottom of the vacuum cleaner. Both the polishing wheel and the dust suction hood are located on the front side of the rolling cylinder.

[0011] The drive mechanism includes a drive shaft fixedly sleeved on the rolling cylinder. The two ends of the drive shaft rotatably extend to the outside of both sides of the portal frame and are fixedly connected to a second sprocket. A first sprocket is connected above the second sprocket via a chain drive. A drive motor is fixedly installed on the inner walls of both sides of the portal frame, and the output end of the drive motor rotatably extends to the outside of the portal frame and is fixedly connected to the first sprocket.

[0012] Preferably, the first moving mechanism includes a T-shaped sliding block movably mounted on the top of the frame. The frame is provided with a sliding groove arranged in the front-to-back direction, and the bottom end of the T-shaped sliding block slides through the sliding groove in the front-to-back direction and is fixedly connected to the top of the moving base. The top two sides of the moving base are respectively provided with a first mounting groove and a second mounting groove. A first stepper motor is fixedly installed in the first mounting groove, and the output end of the first stepper motor rotates through the second mounting groove and is fixedly sleeved with a gear. A straight rack arranged in the front-to-back direction is fixedly installed at the bottom of the frame, and the top side of the gear meshes with the bottom side of the straight rack.

[0013] Preferably, the top of the frame on both sides of the sliding groove is provided with a ball track groove, and multiple balls are rolled on both sides of the bottom of the T-shaped sliding block, with the bottom of the balls extending into the ball track groove and rollingly connected to the inner wall of the ball track groove in the front-back direction.

[0014] Preferably, a rotating hole is provided on the left inner wall of the first mounting groove, a bearing is fixedly installed in the rotating hole, and the output end of the first stepper motor is rotatably installed on the bearing.

[0015] Preferably, the second moving mechanism includes a moving groove on the top inner wall of the portal frame, two slide blocks are slidably installed in the moving groove, and the bottom of the slide blocks are fixedly connected to a rotary motor; a horizontally arranged lead screw is rotatably installed in the moving groove, and the lead screw is connected to the slide blocks by a threaded transmission; a second stepper motor is fixedly installed at the top center of the portal frame, the output end of the second stepper motor rotatably passes through the moving groove and is fixedly connected to a worm gear, and a worm wheel is fixedly sleeved in the middle of the lead screw, and the worm gear meshes with the worm wheel.

[0016] Preferably, a lead screw nut is fixedly fitted onto each of the two slides, and the lead screw passes through the lead screw nut and is threadedly connected to the lead screw nut.

[0017] Preferably, the frame has a portal frame structure, and the top part of the frame is arranged in the front-to-back direction.

[0018] Preferably, the front of the machine is also provided with a controller, which is electrically connected to the lifting motor, the rotary motor, the polishing motor, the vacuum cleaner, the drive motor, and the first and second stepper motors respectively.

[0019] The beneficial effects of this invention are:

[0020] 1. This invention enables the rolling cylinder to perform rolling and leveling treatment on the surface of hot-dip galvanized steel sheet while moving back and forth;

[0021] 2. This invention enables the polishing wheel to rotate and polish the surface along the forward and backward movement direction, and also expands the working range through overall rotation, ensuring more thorough and uniform polishing and dust removal;

[0022] 3. In this invention, the second moving mechanism enables the polishing wheel and dust hood to work while moving left and right. In conjunction with the first moving mechanism, the working range is wider, which in turn ensures more comprehensive rolling, leveling and polishing of hot-dip galvanized steel sheets, and improves the leveling effect; it eliminates surface unevenness, ensures uniformity of polishing, and avoids local insufficient or excessive polishing.

[0023] 4. In this invention, the polishing range can be wide, covering all edge and corner surface areas; and through the adjustment and cooperation of the first moving mechanism and the second moving mechanism, it can also perform leveling treatment on steel plates of different specifications and sizes, enhancing adaptability, reducing limitations, and improving the scope of application.

[0024] In summary, this hot-dip galvanized steel sheet surface finishing device uses a lifting motor to move related components downwards. A first moving mechanism moves the rolling cylinder back and forth to roll and level the sheet, while a polishing wheel rotates to grind and polish, and the entire device can rotate to expand its working range. A second moving mechanism moves related components left and right; the two mechanisms work together to further widen the working range. This not only comprehensively processes hot-dip galvanized steel sheets, improving the leveling effect, but also ensures uniform grinding and polishing, avoiding uneven finishing in certain areas. Furthermore, its wide working range covers corner areas. Through the adjustment and coordination of the first and second moving mechanisms, it can also level steel sheets of different specifications, enhancing adaptability, reducing limitations, expanding the scope of application, and ensuring a better overall finishing effect. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the surface finishing device for hot-dip galvanized steel sheets proposed in this invention.

[0026] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0027] Figure 3 For the present invention Figure 2 Enlarged structural diagram of part A in the middle;

[0028] Figure 4 For the present invention Figure 2 Enlarged structural diagram of section B;

[0029] Figure 5 This is a schematic diagram of the structure between the first stepper motor, gear, and spur rack in this invention.

[0030] Figure 6 This is a schematic diagram of the structure between the worm, worm wheel, and lead screw of the present invention.

[0031] In the diagram: 1. Machine base; 2. Machine frame; 3. Processing table; 4. Hot-dip galvanized steel sheet; 5. Moving seat; 500. T-shaped sliding block; 501. First mounting slot; 502. Second mounting slot; 503. First stepper motor; 504. Gear; 505. Spur rack; 506. Ball bearing; 507. Ball bearing track groove; 508. Sliding through groove; 6. Lifting motor; 7. Gantry frame; 701. Moving groove; 702. Sliding... 703. Second stepper motor; 704. Worm gear; 705. Worm wheel; 706. Lead screw; 707. Lead screw nut; 8. Rolling cylinder; 801. Drive motor; 802. First sprocket; 803. Chain; 804. Second sprocket; 805. Drive shaft; 9. Rotary motor; 10. Rotating frame; 11. Polishing motor; 12. Polishing wheel; 13. Vacuum cleaner; 14. Vacuum hood; 15. Controller. Detailed Implementation

[0032] The present invention will be further explained below with reference to specific embodiments.

[0033] Example

[0034] refer to Figure 1-6 This embodiment proposes a surface finishing device for hot-dip galvanized steel sheets, including a machine base 1 and a frame 2 fixedly mounted on the machine base 1. A processing table 3 for finishing the surface of the hot-dip galvanized steel sheet 4 is also fixedly mounted on the machine base 1 below the frame 2. A movable seat 5, which moves in the front-rear direction, is movably mounted at the bottom of the frame 2 via a first moving mechanism. Lifting motors 6 are fixedly mounted on both sides of the movable seat 5. A gantry frame 7 is fixedly mounted at the output end of the lifting motors 6. A rolling mechanism is movably mounted on the inner side of the gantry frame 7 for rolling the hot-dip galvanized steel sheet 4. The roller 8 is used for pressing and leveling. A rotary motor 9 is also movably installed on the top inner wall of the gantry frame 7 through a second moving mechanism. A rotating frame 10 is fixedly installed at the output end of the rotary motor 9. A polishing motor 11 is fixedly installed at the bottom end of the rotating frame 10. A polishing wheel 12 for polishing and grinding the hot-dip galvanized steel sheet 4 is fixedly installed at the output end of the polishing motor 11. A vacuum cleaner 13 is fixedly installed at the bottom end of the rotating frame 10. A dust suction hood 14 for dust suction is fixedly connected to the bottom of the vacuum cleaner 13. Both the polishing wheel 12 and the dust suction hood 14 are located in front of the roller 8.

[0035] The drive mechanism includes a drive shaft 805 fixedly sleeved on the rolling cylinder 8. The two ends of the drive shaft 805 rotatably pass through to the outside of both sides of the portal frame 7 and are fixedly connected to a second sprocket 804. A first sprocket 802 is connected above the second sprocket 804 via a chain 803. A drive motor 801 is fixedly installed on the inner walls of both sides of the portal frame 7, and the output end of the drive motor 801 rotatably passes through to the outside of the portal frame 7 and is fixedly connected to the first sprocket 802.

[0036] The first moving mechanism includes a T-shaped sliding block 500 movably mounted on the top of the frame 2. The frame 2 is provided with a sliding through groove 508 arranged in the front-back direction, and the bottom end of the T-shaped sliding block 500 slides through the sliding through groove 508 in the front-back direction and is fixedly connected to the top of the moving seat 5. The top two sides of the moving seat 5 are respectively provided with a first mounting groove 501 and a second mounting groove 502. A first stepper motor 503 is fixedly installed in the first mounting groove 501. The output end of the first stepper motor 503 rotates through the second mounting groove 502 and is fixedly sleeved with a gear 504. A straight rack 505 arranged in the front-back direction is fixedly installed at the bottom of the frame 2, and the top side of the gear 504 is engaged with the bottom side of the straight rack 505.

[0037] In this embodiment, the top of the frame 2 located on both sides of the sliding groove 508 is provided with a ball track groove 507. Multiple balls 506 are rolled on both sides of the bottom of the T-shaped sliding block 500, and the bottom of the balls 506 extends into the ball track groove 507 and rolls with the inner wall of the ball track groove 507 in the front-back direction. A rotating hole is provided on the left inner wall of the first mounting groove 501. A bearing is fixedly installed in the rotating hole, and the output end of the first stepper motor 503 is rotatably installed on the bearing.

[0038] In this embodiment, the second moving mechanism includes a moving groove 701 on the top inner wall of the portal frame 7. Two slide blocks 702 are slidably installed in the moving groove 701, and the bottom of the slide blocks 702 is fixedly connected to the rotary motor 9. A horizontally arranged lead screw 706 is rotatably installed in the moving groove 701, and the lead screw 706 is connected to the slide blocks 702 by a threaded transmission. A second stepper motor 703 is fixedly installed at the top center of the portal frame 7. The output end of the second stepper motor 703 rotatably passes through the moving groove 701 and is fixedly connected to a worm gear 704. A worm wheel 705 is fixedly sleeved in the middle of the lead screw 706, and the worm gear 704 meshes with the worm wheel 705. Lead screw nuts 707 are fixedly sleeved on the two slide blocks 702 respectively, and the lead screw 706 passes through the lead screw nuts 707 and is threadedly connected to the lead screw nuts 707.

[0039] The frame 2 has a gate-shaped structure, and the top part of the frame 2 is set along the front and back direction; the front of the machine base 1 is also equipped with a controller 15, which is electrically connected to the lifting motor 6, the rotary motor 9, the polishing motor 11, the vacuum cleaner 13, the drive motor 801, the first stepper motor 503 and the second stepper motor 703 respectively.

[0040] like Figure 1-6 As shown, the surface finishing device for hot-dip galvanized steel sheets, when used for surface treatment of hot-dip galvanized steel sheets: The lifting motor 6 drives the gantry frame 7 to move downwards, which in turn drives the rolling cylinder 8 and polishing wheel 12 to move down to the surface of the hot-dip galvanized steel sheet 4. First, the first stepper motor 503 in the first moving mechanism drives the gear 504 to rotate forward and backward. When the gear 504 rotates, it meshes with the rack 505, allowing the gear 504 to move in the front-back direction. The movement of the gear 504 also drives the first stepper motor... The machine 503 and the movable seat 5 move back and forth. When the movable seat 5 moves, it drives the lifting motor 6, the gantry frame 7, the rolling cylinder 8 and the polishing wheel 12 to move in the back and forth direction. At the same time, the drive motor 801 in the drive mechanism drives the first sprocket 802 to rotate. The first sprocket 802 drives the drive shaft 805 and the rolling cylinder 8 to rotate through the chain 803 and the second sprocket 804. In this way, the rolling cylinder 8 can perform rolling and leveling treatment on the surface of the hot-dip galvanized steel sheet 4 during the back and forth movement.

[0041] At the same time, the polishing motor 11 drives the polishing wheel 12 to rotate, so that the polishing wheel 12 can rotate and polish the surface of the hot-dip galvanized steel plate 4 in the back-and-forth moving direction; and the vacuum cleaner 13 works in conjunction with the dust hood 14 to adsorb and collect dust and debris during the polishing process. At this time, the rotary motor 9 works to drive the rotary frame 10, polishing motor 11, polishing wheel 12 and dust hood 14 to rotate as a whole, which can expand the polishing and dust suction range of the polishing wheel 12 and dust hood 14, ensuring that the polishing and dust suction are more thorough and uniform.

[0042] Furthermore, in the polishing process, the second stepper motor 703 in the second moving mechanism drives the worm 704 to rotate, which allows the worm 704 to mesh with the worm wheel 705 for transmission. This, in turn, causes the slide 702 to be driven by the lead screw nut 703 along the left and right threads of the lead screw 704. When the slide 702 moves, it also drives the rotary motor 9, the rotary frame 10, the polishing motor 11, the polishing wheel 12, and the dust collection hood 14 to move in the left and right directions. This allows the polishing wheel 12 and the dust collection hood 14 to perform polishing and dust collection work in the left and right movements. Moreover, the first mechanism and the second moving mechanism can cooperate simultaneously, so that the polishing wheel 12 and the dust collection hood 14 can perform polishing and leveling treatment in the back-and-forth and left-and-right movements. Finally, in this invention, not only can the first moving mechanism be used to perform polishing and leveling work, but the second moving mechanism can also be used to perform polishing and leveling work in the left-and-right movements. The mechanism drives the roller cylinder 8 to roll and level the surface in the front-to-back direction, ensuring a wider working range for polishing and dust extraction. This allows for more comprehensive rolling, leveling, and polishing of the hot-dip galvanized steel sheet 4, resulting in a better final leveling effect. This not only eliminates unevenness on the surface of the hot-dip galvanized steel sheet 4 through rolling and leveling but also ensures uniform polishing, avoiding the previous issues of insufficient or excessive polishing in certain areas. Simultaneously, the polishing range is wider, covering all edges and corners of the hot-dip galvanized steel sheet 4. Furthermore, the adjustment and coordination of the first and second moving mechanisms enable leveling of hot-dip galvanized steel sheets of different sizes and specifications, making it more adaptable, greatly reducing limitations in use, and expanding its applicability.

[0043] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A surface finishing device for hot-dip galvanized steel sheet, comprising a machine base (1) and a frame (2) fixedly installed on the machine base (1), wherein a processing table (3) for finishing the surface of hot-dip galvanized steel sheet (4) is also fixedly installed on the machine base (1) below the frame (2); characterized in that, The bottom of the frame (2) is movably mounted with a movable seat (5) that moves in the front-to-back direction via a first moving mechanism. Lifting motors (6) are fixedly mounted on both sides of the movable seat (5). A portal frame (7) is fixedly mounted at the output end of the lifting motor (6). A rolling cylinder (8) for rolling and leveling hot-dip galvanized steel sheet (4) is movably mounted on the inner side of the portal frame (7) via a drive mechanism. A rotary motor (9) is movably mounted on the top inner wall of the portal frame (7) via a second moving mechanism. A rotating frame (10) is fixedly mounted on the output end of the rotary motor (9). A polishing motor (11) is fixedly mounted on one bottom end of the rotating frame (10). A polishing wheel (12) for polishing and grinding the hot-dip galvanized steel plate (4) is fixedly mounted on the output end of the polishing motor (11). A vacuum cleaner (13) is fixedly mounted on one bottom end of the rotating frame (10). A dust suction hood (14) for vacuuming is fixedly connected to the bottom of the vacuum cleaner (13). Both the polishing wheel (12) and the dust suction hood (14) are located on the front side of the rolling cylinder (8). The drive mechanism includes a drive shaft (805) fixedly sleeved on the rolling cylinder (8). The two ends of the drive shaft (805) are respectively rotatably extended to the outside of the two sides of the portal frame (7) and fixedly connected to a second sprocket (804). A first sprocket (802) is connected above the second sprocket (804) via a chain (803). A drive motor (801) is fixedly installed on the inner walls of both sides of the portal frame (7), and the output end of the drive motor (801) rotatably extends to the outside of the portal frame (7) and is fixedly connected to the first sprocket (802).

2. The surface finishing device for hot-dip galvanized steel sheet according to claim 1, characterized in that, The first moving mechanism includes a T-shaped sliding block (500) movably mounted on the top of the frame (2). The frame (2) is provided with a sliding through groove (508) arranged in the front-back direction. The bottom end of the T-shaped sliding block (500) slides through the sliding through groove (508) in the front-back direction and is fixedly connected to the top of the moving seat (5). The top two sides of the moving seat (5) are respectively provided with a first mounting groove (501) and a second mounting groove (502). A first stepper motor (503) is fixedly installed in the first mounting groove (501). The output end of the first stepper motor (503) rotates through the second mounting groove (502) and is fixedly sleeved with a gear (504). A straight rack (505) arranged in the front-back direction is fixedly installed at the bottom of the frame (2). The top side of the gear (504) is engaged with the bottom side of the straight rack (505).

3. The surface finishing device for hot-dip galvanized steel sheet according to claim 2, characterized in that, The top of the frame (2) located on both sides of the sliding through groove (508) is provided with a ball track groove (507). Multiple balls (506) are rolled on both sides of the bottom of the T-shaped sliding block (500), and the bottom of the balls (506) extends into the ball track groove (507) and rolls to connect with the inner wall of the ball track groove (507) in the front-back direction.

4. The surface finishing device for hot-dip galvanized steel sheet according to claim 3, characterized in that, The first mounting slot (501) has a rotating hole on its left inner wall, and a bearing is fixedly installed in the rotating hole. The output end of the first stepper motor (503) is rotatably mounted on the bearing.

5. The surface finishing device for hot-dip galvanized steel sheet according to claim 1, characterized in that, The second moving mechanism includes a moving groove (701) on the top inner wall of the portal frame (7), two slide blocks (702) are slidably installed in the moving groove (701), and the bottom of the slide blocks (702) is fixedly connected to the rotary motor (9); a horizontally arranged lead screw (706) is rotatably installed in the moving groove (701), and the lead screw (706) is connected to the slide block (702) by a threaded transmission; a second stepper motor (703) is fixedly installed at the top center of the portal frame (7), the output end of the second stepper motor (703) rotatably passes through the moving groove (701) and is fixedly connected to a worm gear (704), a worm wheel (705) is fixedly sleeved in the middle of the lead screw (706), and the worm gear (704) meshes with the worm wheel (705).

6. The surface finishing device for hot-dip galvanized steel sheet according to claim 5, characterized in that, Two slide blocks (702) are respectively fixedly fitted with lead screw nuts (707), and the lead screw (706) passes through the lead screw nut (707) and is threadedly connected to the lead screw nut (707).

7. The surface finishing device for hot-dip galvanized steel sheet according to claim 1, characterized in that, The frame (2) is generally in the form of a portal frame, and the top part of the frame (2) is arranged in the front-to-back direction.

8. The surface finishing device for hot-dip galvanized steel sheet according to claim 1, characterized in that, The front of the machine base (1) is also provided with a controller (15), which is electrically connected to the lifting motor (6), the rotary motor (9), the polishing motor (11), the vacuum cleaner (13), the drive motor (801), the first stepper motor (503), and the second stepper motor (703).

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