Polishing device used before spraying of I-shaped steel
By designing a conveyor frame and an inner groove grinding mechanism, the problem of rust removal from the inner groove of I-beam steel was solved, enabling efficient grinding of the inner groove of I-beam steel, adapting to different size requirements, and ensuring coating quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-14
AI Technical Summary
Before painting, it is easy to clean the rust off the outer surface of I-beams due to their shape and structure, but it is more troublesome to treat the rust on the inner wall of the internal grooves.
A grinding device comprising multiple conveyor frames and mounting frames was designed. The inner groove grinding mechanism consists of a grinding motor, grinding rollers, end brushes, and a central grinding component. The central grinding component expands the working range through a telescopic rod, a right-angle brush, and an elastic brush, and works in conjunction with the conveyor mechanism to achieve efficient grinding of the inner groove of the I-beam.
It achieves efficient grinding of the inner groove of I-beams, adapts to I-beams with different inner groove sizes, and ensures surface quality before spraying.
Smart Images

Figure CN224115873U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of grinding devices, specifically a grinding device for I-beams before spraying. Background Technology
[0002] During the production of I-beams, they need to be sprayed to improve their corrosion resistance. After being placed, rust will appear on the surface of the I-beams, so they need to be ground to ensure the quality of the spraying. Due to the shape and structure of the I-beams, it is relatively easy to clean the rust on the outer surface, but it is more troublesome to clean the rust on the inner wall of the groove. Therefore, there is a need for a grinding device that can easily clean the rust on the inner wall of the groove of the I-beam. Utility Model Content
[0003] In order to overcome the shortcomings of the prior art, this utility model provides a grinding device for I-beams before spraying, which effectively solves the problem that the rust on the outer surface of I-beams is relatively easy to clean, but the rust on the inner wall of the internal grooves is more difficult to remove due to the shape and structure of the I-beams.
[0004] To achieve the above objectives, the present invention provides the following technical solution: a grinding device for H-beams before spraying, comprising multiple conveyor frames and a mounting frame, wherein each of the multiple conveyor frames is provided with a conveying mechanism, and the mounting frame is provided with an inner groove grinding mechanism;
[0005] The inner groove grinding mechanism includes a grinding motor, a grinding roller, two end brushes, and multiple middle grinding components. The grinding motor is fixedly mounted on the mounting frame and is used to drive the grinding roller to rotate. The grinding roller is rotatably mounted on the mounting frame. The two end brushes are fixedly mounted on both ends of the grinding roller, and the multiple middle grinding components are evenly fixed along the circumference of the grinding roller.
[0006] Preferably, the central grinding component includes two telescopic rods, two connecting blocks, two right-angle brushes, and one elastic brush. The two telescopic rods are symmetrically fixed on the grinding roller, and the telescopic ends of the two telescopic rods are respectively fixed to the two right-angle brushes through the two connecting blocks. An elastic brush is fixedly disposed between the two right-angle brushes.
[0007] Preferably, the telescopic rod includes a vertical part and an inclined part that are connected as one piece. The vertical part is fixedly mounted on the grinding roller. The inclined part has a groove inside. A sliding block and a return spring are slidably mounted in the groove. The return spring is located above the sliding block. A connecting rod is fixedly mounted on the sliding block. The connecting rod is fixedly mounted to the connecting block.
[0008] Preferably, the radial cross-sectional shape of the groove and the radial cross-sectional shape of the sliding block are both square.
[0009] Preferably, the telescopic rod and the grinding roller are fixedly connected by an adjustable component; the adjustable component includes an adjusting slider, a slide rail and an adjusting screw, wherein the adjusting slider is fixedly connected to the bottom end of the telescopic rod, the slide rail is fixedly connected to the grinding roller, the adjusting slider and the slide rail are slidably engaged, and the adjusting screw is threaded into the screw hole on the adjusting slider.
[0010] Preferably, the conveying mechanism includes a conveying roller, which is rotatably mounted on a conveying frame; wherein a portion of the conveying frame is fixedly equipped with a conveying motor for driving the conveying roller to rotate.
[0011] Preferably, the mounting frame is also symmetrically provided with a side grinding mechanism, which includes a side motor and a side grinding brush, wherein the side motor is fixedly mounted on the mounting frame and the side grinding brush is fixedly mounted on the output shaft of the side motor.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. During operation, the internal groove grinding mechanism can be used to grind the internal groove of the I-beam.
[0014] 2. During operation, the working range of the inner groove grinding mechanism can be expanded by the combination of telescopic rods, right-angle brushes, and elastic brushes, thereby enabling grinding operations on I-beams with different inner groove sizes. Attached Figure Description
[0015] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0016] In the attached diagram:
[0017] Figure 1 This is one of the structural schematic diagrams of a grinding device for I-beams before spraying.
[0018] Figure 2 This is the second schematic diagram of a grinding device for I-beams before spraying.
[0019] Figure 3 This is a schematic diagram of the grinding roller structure of this utility model;
[0020] Figure 4 This is a schematic diagram of the installation structure of the right-angle brush and the elastic brush of this utility model.
[0021] Figure 5This is a schematic diagram of the telescopic rod and slide rail structure of this utility model;
[0022] Figure 6 This is a schematic diagram of the installation structure of the side grinding brush of this utility model.
[0023] In the diagram: 1. Conveyor frame; 2. Mounting frame; 3. Grinding motor; 4. Grinding roller; 5. End brush; 6. Telescopic rod; 7. Connecting block; 8. Right-angle brush; 9. Elastic brush; 10. Vertical part; 11. Inclined part; 12. Slide groove; 13. Sliding block; 14. Return spring; 15. Adjusting slider; 16. Slide rail; 17. Adjusting screw; 18. Conveyor roller; 19. Conveyor motor; 20. Side motor; 21. Side grinding brush; 22. Connecting rod. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0025] Depend on Figures 1-6 The present invention relates to a grinding device for I-beams before spraying, comprising multiple conveyor frames 1 and a mounting frame 2. Each of the multiple conveyor frames 1 is provided with a conveying mechanism, and the mounting frame 2 is provided with an inner groove grinding mechanism.
[0026] The inner groove grinding mechanism includes a grinding motor 3, a grinding roller 4, two end brushes 5, and multiple middle grinding components. The grinding motor 3 is fixedly mounted on the mounting frame 2 and is used to drive the grinding roller 4 to rotate. The grinding roller 4 is rotatably mounted on the mounting frame 2. The two end brushes 5 are respectively fixedly mounted on both ends of the grinding roller 4. The multiple middle grinding components are evenly fixedly mounted along the circumference of the grinding roller 4.
[0027] This design places the I-beams on multiple conveyor frames 1, and the I-beams are conveyed by the conveying mechanism on the conveyor frame 1. During the conveying process, the grooves of the I-beams are ground by the inner groove grinding mechanism; the specific process is as follows:
[0028] The grinding motor 3 drives the grinding roller 4 to rotate, and the grinding roller 4 drives the end brushes 5 at both ends to grind the outer wall of the bottom of the I-beam. At the same time, the grinding component in the middle of the grinding roller 4 grinds the groove wall of the lower groove on the I-beam. Since there are two grooves on the I-beam, the work needs to be completed by grinding twice.
[0029] Specifically, the central grinding component includes two telescopic rods 6, two connecting blocks 7, two right-angle brushes 8, and one elastic brush 9. The two telescopic rods 6 are symmetrically fixed on the grinding roller 4. The telescopic ends of the two telescopic rods 6 are respectively fixed to the two right-angle brushes 8 through the two connecting blocks 7. The elastic brush 9 is fixed between the two right-angle brushes 8.
[0030] With this design, during the rotation of the grinding roller 4, under the action of centrifugal force, the telescopic rod 6 extends and drives the right-angle brush 8 to approach the corner of the groove of the I-beam through the connecting block 7. Thus, the two surfaces of the right-angle brush 8 grind the upper and side groove walls of the groove of the I-beam respectively. At the same time, since the elastic brush 9 is deformable, the area between the two right-angle brushes 8 can be ground by the deformed elastic brush 9.
[0031] Specifically, the telescopic rod 6 includes a vertical part 10 and an inclined part 11 that are integrated together. The vertical part 10 is fixedly mounted on the grinding roller 4. The inclined part 11 has a groove 12 inside. A sliding block 13 and a return spring 14 are slidably mounted in the groove 12. The return spring 14 is located above the sliding block 13. A connecting rod 22 is fixedly mounted on the sliding block 13. The connecting rod 22 is fixedly mounted to the connecting block 7.
[0032] With this design, during polishing, under the action of centrifugal force, the sliding block 13 slides in the groove 12 and squeezes the return spring 14. At the same time, the sliding block 13 drives the connecting block 7 to move through the connecting rod 22. When not in use, the right-angle brush 8 can return to its original position under the action of the return spring 14.
[0033] Specifically, the radial cross-sectional shape of the slide groove 12 and the radial cross-sectional shape of the sliding block 13 are both square; this design can prevent the connecting rod 22 from rotating.
[0034] Specifically, the telescopic rod 6 and the grinding roller 4 are fixedly connected by an adjustable component; the adjustable component includes an adjusting slider 15, a slide rail 16 and an adjusting screw 17, wherein the adjusting slider 15 is fixedly connected to the bottom end of the telescopic rod 6, the slide rail 16 is fixedly connected to the grinding roller 4, the adjusting slider 15 and the slide rail 16 are slidably engaged, and the adjusting screw 17 is threaded into the screw hole on the adjusting slider 15.
[0035] With this design, since the groove sizes inside different I-beams are different, the adjusting screw 17 can be loosened, the adjusting slider 15 can be adjusted to the required position on the slide rail 16, and then locked with the adjusting screw 17. This allows for adjustment according to actual needs to meet the grinding requirements of different groove sizes inside I-beams.
[0036] Specifically, the conveying mechanism includes a conveying roller 18, which is rotatably mounted on the conveying frame 1; a portion of the conveying frame 1 is fixedly equipped with a conveying motor 19 for driving the conveying roller 18 to rotate; with this design, the conveying motor 19 drives the corresponding conveying roller 18 to move, and the conveying roller 18 is used to convey the I-beam.
[0037] Specifically, the mounting frame 2 is also symmetrically provided with a side grinding mechanism, which includes a side motor 20 and a side grinding brush 21. The side motor 20 is fixedly mounted on the mounting frame 2, and the side grinding brush 21 is fixedly mounted on the output shaft of the side motor 20.
[0038] With this design, the side motor 20 drives the side grinding brush 21 to rotate, so that the side grinding brush 21 can perform side grinding operations on the I-beam during the conveying process.
Claims
1. A grinding device for H-beams before spraying, comprising multiple conveyor frames (1) and a mounting frame (2), wherein each of the multiple conveyor frames (1) is provided with a conveying mechanism and the mounting frame (2) is provided with an inner groove grinding mechanism; Its features are, The inner groove grinding mechanism includes a grinding motor (3), a grinding roller (4), two end brushes (5) and multiple middle grinding components. The grinding motor (3) is fixedly mounted on the mounting frame (2) and is used to drive the grinding roller (4) to rotate. The grinding roller (4) is rotatably mounted on the mounting frame (2). The two end brushes (5) are fixedly mounted on both ends of the grinding roller (4) respectively. The multiple middle grinding components are evenly fixed along the circumference of the grinding roller (4).
2. The grinding device for I-beams before spraying according to claim 1, characterized in that: The central grinding component includes two telescopic rods (6), two connecting blocks (7), two right-angle brushes (8), and one elastic brush (9). The two telescopic rods (6) are symmetrically fixed on the grinding roller (4). The telescopic ends of the two telescopic rods (6) are fixed to the two right-angle brushes (8) through the two connecting blocks (7), and the elastic brush (9) is fixed between the two right-angle brushes (8).
3. A grinding device for I-beams before spraying, as described in claim 2, characterized in that: The telescopic rod (6) includes a vertical part (10) and an inclined part (11) that are connected as one piece. The vertical part (10) is fixedly mounted on the grinding roller (4). The inclined part (11) has a groove (12) inside. A sliding block (13) and a return spring (14) are slidably mounted in the groove (12). The return spring (14) is located above the sliding block (13). A connecting rod (22) is fixedly mounted on the sliding block (13). The connecting rod (22) is fixedly mounted on the connecting block (7).
4. A grinding device for I-beams before spraying, as described in claim 3, characterized in that: The radial cross-sectional shape of the groove (12) and the radial cross-sectional shape of the sliding block (13) are both square.
5. A grinding device for I-beams before spraying, as described in claim 2, characterized in that: The telescopic rod (6) and the grinding roller (4) are fixedly connected by an adjustable component. The adjustable component includes an adjusting slider (15), a slide rail (16), and an adjusting screw (17). The adjusting slider (15) is fixedly located at the bottom end of the telescopic rod (6), the slide rail (16) is fixedly located on the grinding roller (4), the adjusting slider (15) and the slide rail (16) are slidably connected, and the adjusting screw (17) is threaded into the screw hole on the adjusting slider (15).
6. A grinding device for I-beams before spraying, as described in claim 1, characterized in that: The conveying mechanism includes a conveying roller (18), which is rotatably mounted on a conveying frame (1); a portion of the conveying frame (1) is fixedly mounted with a conveying motor (19) for driving the conveying roller (18) to rotate.
7. A grinding device for I-beams before spraying, as described in claim 1, characterized in that: The mounting frame (2) is also symmetrically provided with a side grinding mechanism, which includes a side motor (20) and a side grinding brush (21). The side motor (20) is fixedly mounted on the mounting frame (2), and the side grinding brush (21) is fixedly mounted on the output shaft of the side motor (20).