Height adjusting device of sand blower
By designing a height adjustment device that includes a mounting plate, a support plate, a lead screw, and a motor drive, the adjustment process of the sandblasting machine is simplified, the spraying efficiency and accuracy are improved, and the problems of complex structure and low efficiency of existing devices are solved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 无锡运晟机械科技有限公司
- Filing Date
- 2025-06-16
- Publication Date
- 2026-05-15
Smart Images

Figure CN224239248U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of auxiliary equipment for sand blowing machines, and in particular to a height adjustment device for sand blowing machines. Background Technology
[0002] A sandblasting machine is a device that uses compressed air to spray sand particles onto the surface of a workpiece to achieve cleaning, rust removal, deburring, and other purposes. In actual use, due to differences in the height of different workpieces or the height of operators, an adjustment device is needed to adjust the height of the sandblasting machine to ensure smooth operation and operator comfort.
[0003] However, existing height adjustment devices for sandblasting machines have some shortcomings. For example, some adjustment devices have complex structures, cumbersome adjustment processes, require a lot of time and effort, and have poor spraying efficiency on the workpiece, making it difficult to meet the needs of different working conditions. Therefore, we propose a height adjustment device for sandblasting machines to solve this problem. Utility Model Content
[0004] The purpose of this utility model is to provide a height adjustment device for a sandblasting machine to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A height adjustment device for a sandblasting machine includes a mounting plate. Support plates are fixedly mounted on the left and right sides of the bottom of the mounting plate. A horizontal plate is fixedly mounted on the bottom of the support plate. A lead screw is rotatably connected to the top of the horizontal plate. A second bevel gear is fixedly sleeved on the top of the outer side of the lead screw. A movable plate is screwed to the middle of the outer side of the lead screw. A first motor is fixedly mounted on the top of the left side of the right support plate. The output end of the first motor is fixedly connected to the first bevel gear. Limit plates are provided on the left and right sides of the bottom of the movable plate. A box is fixedly mounted on the bottom of the limit plate. A second motor is fixedly mounted on the top of the inner cavity of the box. A half gear is fixedly connected to the output end of the second motor. A movable frame is provided on the outer side of the half gear. Tooth plates adapted to the half gear are fixedly mounted on the front and rear sides of the inner cavity of the movable frame.
[0007] Preferably, the first bevel gear and the second bevel gear mesh with each other, the top of the lead screw is rotatably connected to the bottom of the mounting plate, the bottom of the limiting plate moves through the horizontal plate, and the outer side of the limiting plate slides in contact with the inside of the horizontal plate.
[0008] Preferably, limit rods are fixedly installed on both the front and rear sides of the left side of the inner cavity of the box. The right side of the limit rod movably passes through the movable frame and is fixedly connected to the right side of the inner cavity of the box. The outer side of the limit rod slides in contact with the inside of the movable frame.
[0009] Preferably, connecting plates are fixedly installed on both the left and right sides of the bottom of the movable frame. The bottom of the connecting plate penetrates through the box body. The bottom of the box body has a sliding groove that matches the connecting plate. The outer side of the connecting plate slides in contact with the inner wall of the sliding groove.
[0010] Preferably, a base plate is fixedly installed at the bottom of the connecting plates on both the left and right sides.
[0011] Preferably, positioning bolts are threaded through the left and right sides of the bottom of the mounting plate.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. In this utility model, by starting the first motor to rotate forward, the first motor drives the first bevel gear to rotate, the first bevel gear drives the meshing second bevel gear to rotate, the second bevel gear drives the lead screw to rotate, the lead screw drives the screwed moving plate downward, and the moving plate drives the box body to move downward through the limit plate, the height of the sandblasting machine can be easily adjusted, greatly reducing labor intensity and improving work efficiency.
[0014] 2. In this utility model, by starting the second motor to rotate forward, the second motor drives the half gear to rotate. When the half gear meshes with the front toothed plate, it will drive the moving frame to move to the right. When the half gear meshes with the rear toothed plate, it will drive the moving frame to move to the left. The moving frame drives the base plate to move back and forth left and right through the connecting plate, which improves the accuracy and efficiency of sandblasting operations and can adapt to different working scenarios and workpiece requirements. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of a sandblasting machine height adjustment device proposed in this utility model;
[0016] Figure 2 This is a cross-sectional structural schematic diagram of a sandblasting machine height adjustment device proposed in this utility model;
[0017] Figure 3 for Figure 2 A magnified view of part A in the middle;
[0018] Figure 4 for Figure 2 A magnified view of part B in the middle section.
[0019] In the diagram: 1. Mounting plate; 2. Support plate; 3. Horizontal plate; 4. Box body; 5. Positioning bolt; 6. First motor; 7. First bevel gear; 8. Lead screw; 9. Second bevel gear; 10. Moving plate; 11. Second motor; 12. Half gear; 13. Moving frame; 14. Gear plate; 15. Limiting rod; 16. Connecting plate; 17. Slide groove; 18. Limiting plate; 19. Base plate. Detailed Implementation
[0020] 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.
[0021] Reference Figure 1-4 A height adjustment device for a sandblasting machine includes a mounting plate 1. Support plates 2 are fixedly installed on the left and right sides of the bottom of the mounting plate 1. A horizontal plate 3 is fixedly installed on the bottom of the support plate 2. A lead screw 8 is rotatably connected to the top of the horizontal plate 3. A second bevel gear 9 is fixedly sleeved on the top of the outer side of the lead screw 8. A movable plate 10 is screwed to the middle of the outer side of the lead screw 8. A first motor 6 is fixedly installed on the top of the left side of the right support plate 2. A first bevel gear 7 is fixedly connected to the output end of the first motor 6. Limiting plates 18 are provided on the left and right sides of the bottom of the movable plate 10. A box 4 is fixedly installed at the bottom of the limiting plate 18. A second motor 11 is fixedly installed on the top of the inner cavity of the box 4. A half gear 12 is fixedly connected to the output end of the second motor 11. A movable frame 13 is provided on the outer side of the half gear 12. Tooth plates 14 adapted to the half gear 12 are fixedly installed on the front and rear sides of the inner cavity of the movable frame 13.
[0022] In this embodiment, the first bevel gear 7 and the second bevel gear 9 mesh with each other, the top of the lead screw 8 is rotatably connected to the bottom of the mounting plate 1, the bottom of the limiting plate 18 moves through the horizontal plate 3, and the outer side of the limiting plate 18 slides in contact with the inside of the horizontal plate 3. Through the limiting plate 18, the box 4 can be limited, which improves the stability of the box 4 moving up and down. Limiting rods 15 are fixedly installed on the front and rear sides of the left side of the inner cavity of the box 4. The right side of the limiting rod 15 moves through the moving frame 13 and is fixedly connected to the right side of the inner cavity of the box 4. The outer side of the limiting rod 15 slides in contact with the inside of the moving frame 13. Through the limiting rod 15, the moving frame 13 can be limited, which improves the stability of the moving frame 13 moving left and right.
[0023] In this embodiment, connecting plates 16 are fixedly installed on both the left and right sides of the bottom of the movable frame 13. The bottom of the connecting plate 16 penetrates the box body 4. The bottom of the box body 4 is provided with a sliding groove 17 that matches the connecting plate 16. The outer side of the connecting plate 16 slides in contact with the inner wall of the sliding groove 17. The bottom of the connecting plates 16 on both the left and right sides is fixedly installed with a base plate 19. The bottom of the mounting plate 1 is threaded with positioning bolts 5 on both the left and right sides. The mounting plate 1 can be fixed by the positioning bolts 5, which improves the stability of the device.
[0024] In this embodiment, during use, the mounting plate 1 is fixedly installed on the external support frame using positioning bolts 5, and then the main body of the sandblasting machine is fixedly installed on the base plate 19. The first motor 6 is started to rotate forward by the external controller. The first motor 6 rotates forward, driving the first bevel gear 7 to rotate. The first bevel gear 7 drives the meshing second bevel gear 9 to rotate. The second bevel gear 9 drives the lead screw 8 to rotate. The lead screw 8 drives the screwed moving plate 10 downward. The moving plate 10 drives the box body 4 to move downward through the limit plate 18, thus easily adjusting the height of the sandblasting machine. Then, the second motor 11 is started to rotate forward, driving the half gear 12 to rotate. When the half gear 12 meshes with the front toothed plate 14, it drives the moving frame 13 to move to the right. When the half gear 12 meshes with the rear toothed plate 14, it drives the moving frame 13 to move to the left. The moving frame 13 drives the base plate 19 to move back and forth left and right through the connecting plate 16, improving the accuracy and efficiency of the sandblasting operation.
[0025] The above provides a detailed description of the height adjustment device for a sandblasting machine provided by this utility model. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of this utility model. It should be noted that those skilled in the art can make several improvements and modifications to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.
Claims
1. A height adjustment device for a sandblasting machine, comprising a mounting plate (1), characterized in that: Support plates (2) are fixedly installed on both the left and right sides of the bottom of the mounting plate (1). A horizontal plate (3) is fixedly installed on the bottom of the support plate (2). A lead screw (8) is rotatably connected to the top of the horizontal plate (3). A second bevel gear (9) is fixedly sleeved on the top of the outer side of the lead screw (8). A movable plate (10) is screwed to the middle of the outer side of the lead screw (8). A first motor (6) is fixedly installed on the top of the left side of the support plate (2) on the right side. A first bevel gear is fixedly connected to the output end of the first motor (6). (7) Limiting plates (18) are provided on both the left and right sides of the bottom of the movable plate (10). A box (4) is fixedly installed at the bottom of the limiting plate (18). A second motor (11) is fixedly installed at the top of the inner cavity of the box (4). A half gear (12) is fixedly connected to the output end of the second motor (11). A movable frame (13) is provided on the outside of the half gear (12). A toothed plate (14) that matches the half gear (12) is fixedly installed on the front and rear sides of the inner cavity of the movable frame (13).
2. The height adjustment device for a sandblasting machine according to claim 1, characterized in that: The first bevel gear (7) meshes with the second bevel gear (9), the top of the lead screw (8) is rotatably connected to the bottom of the mounting plate (1), the bottom of the limiting plate (18) moves through the horizontal plate (3), and the outer side of the limiting plate (18) slides in contact with the inside of the horizontal plate (3).
3. The height adjustment device for a sandblasting machine according to claim 1, characterized in that: Limiting rods (15) are fixedly installed on both the front and rear sides of the left side of the inner cavity of the box (4). The right side of the limiting rod (15) moves through the moving frame (13) and is fixedly connected to the right side of the inner cavity of the box (4). The outer side of the limiting rod (15) slides in contact with the inside of the moving frame (13).
4. The height adjustment device for a sandblasting machine according to claim 1, characterized in that: Connecting plates (16) are fixedly installed on the left and right sides of the bottom of the movable frame (13). The bottom of the connecting plate (16) penetrates the box body (4). The bottom of the box body (4) is provided with a sliding groove (17) that matches the connecting plate (16). The outer side of the connecting plate (16) slides in contact with the inner wall of the sliding groove (17).
5. The height adjustment device for a sandblasting machine according to claim 4, characterized in that: A base plate (19) is fixedly installed on the bottom of the connecting plates (16) on both the left and right sides.
6. The height adjustment device for a sandblasting machine according to claim 1, characterized in that: The mounting plate (1) has threaded positioning bolts (5) on both the left and right sides of its bottom.