Pneumatic polishing device for metal materials
By combining a pneumatic belt sander with a moving frame and a pneumatic telescopic rod, the problem of time-consuming and laborious grinding of long metal materials is solved, achieving efficient surface grinding and safe operation.
Patent Information
- Application Number
- CN202423309807.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2034-12-31
AI Technical Summary
When processing long metal materials, the grinding process is time-consuming and labor-intensive, and poses safety risks to operators.
The pneumatic belt sander is combined with a moving frame and a pneumatic telescopic rod. The moving column slides within the moving frame and moves with casters, achieving close contact and grinding between the pneumatic belt sander and the surface of the metal material.
It enables complete grinding of the surface of long metal materials, improving work efficiency and reducing the labor intensity and safety risks for operators.
Smart Images

Figure CN223889671U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metal material processing technology, specifically to a pneumatic grinding device for metal materials. Background Technology
[0002] Metal materials are commonly used to make various tools, accessories, and devices, which are widely used in fields such as construction, machinery, electronics, furniture, and automobiles. Before use, the outer circumference surface needs to be polished, and processes such as rust removal and deburring are required to ensure the quality and strength of the metal materials. However, when processing long and large metal materials, technicians need to hold the equipment and frequently move and rotate it along the surface. The polishing process is time-consuming and labor-intensive, with low work efficiency and a great deal of energy consumption for the operators, increasing the safety risk of injury to the operators. Utility Model Content
[0003] The purpose of this invention is to provide a pneumatic grinding device for metal materials, which solves the problem of time-consuming and labor-intensive grinding process when processing long metal materials.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0005] A pneumatic grinding device for metal materials includes a horizontally arranged movable frame and a pneumatic belt sander, with the pneumatic belt sander movably positioned at the center of the movable frame. A connecting block is positioned above the pneumatic belt sander, and movable columns are horizontally arranged on opposite sides of the connecting block. A connecting block has a through-hole extending vertically through its center, and a sliding column is vertically slidably positioned within the through-hole. The bottom surface of the sliding column is fixedly connected to the top surface of the pneumatic belt sander. Rolling grooves are recessed along the length direction on opposite sides of the inner wall of the movable frame, and two movable columns are respectively inserted into two rolling grooves and slidably connected to them. Several pneumatic telescopic rods are arranged below the movable frame, and casters are movably mounted below each of the pneumatic telescopic rods.
[0006] A further technical solution is that a spring is fitted under the sliding column of the connecting block, with one end of the spring abutting the bottom surface of the connecting block and the other end abutting the top surface of the pneumatic belt sander; a hand grip is fixedly and horizontally installed above the connecting block on the sliding column.
[0007] A further technical solution is that the pneumatic belt sander includes a pneumatic motor and a fixed housing. The pneumatic motor is horizontally mounted on one side of the fixed housing. A main roller is fixedly mounted on the output end of the pneumatic motor. Driven rollers are rotatably mounted on both the front and rear sides of the fixed housing below the main roller. The main roller and the driven rollers are connected by a sanding belt drive.
[0008] A further technical solution is that a connecting column is vertically arranged at the bottom of the fixed shell, and two horizontal bars are arranged at horizontal intervals on the front and rear sides of the connecting column. The two horizontal bars are connected to each other by a vertical bar. Two driven rollers are respectively rotatably arranged at the ends of the two horizontal bars on the same side. Fixing holes are provided through the front and rear sides of the connecting column, and the fixing holes are fixedly connected to the middle of the vertical bar.
[0009] A further technical solution is that a movable roller is fitted inside the rolling groove of the movable column; the movable roller is slidably connected to the rolling groove.
[0010] A further technical solution is to match the diameter of the moving roller with the distance between the upper and lower walls of the rolling groove.
[0011] A further technical solution is to have an air inlet pipe and an air outlet pipe arranged sequentially on the rear side of the pneumatic motor.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] (a) Using a pneumatic belt sander as a grinding component, combined with a moving frame and a pneumatic telescopic rod, the pneumatic belt sander is adjusted to fit the surface of the metal material by moving back and forth in the sliding hole of the moving frame through the moving column; and the entire device is moved along the length of the metal material by the casters to complete the grinding of longer metal materials.
[0014] (ii) By connecting the sliding column with the connecting block, the pneumatic belt sander can maintain contact with the material surface while moving when grinding cylindrical metal materials. This allows the sanding belt to adhere to and extend along the circumference of the metal tube for grinding, ensuring the complete surface grinding process and preventing excessive un-grinded areas. Attached Figure Description
[0015] Figure 1 This is a front and side view of a pneumatic grinding device for metal materials according to this utility model.
[0016] Figure 2 This is a front cross-sectional view of a pneumatic grinding device for metal materials according to this utility model.
[0017] Figure 3 This is a front and side view of a pneumatic belt sander, a pneumatic grinding device for metal materials according to this utility model.
[0018] Icons: 1-Moving frame, 2-Pneumatic belt sander, 3-Connecting block, 4-Moving column, 5-Rolling strip groove, 6-Pneumatic telescopic rod, 7-Wheel caster, 8-Socket hole, 9-Sliding column, 10-Spring, 11-Hand grip plate, 12-Pneumatic motor, 13-Fixed housing, 14-Main roller, 15-Driven roller, 16-Connecting column, 17-Horizontal bar, 18-Vertical bar, 19-Fixed hole, 20-Drive sanding belt, 21-Moving roller, 22-Air inlet pipe, 23-Air outlet pipe. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0020] Example 1:
[0021] A pneumatic grinding device for metal materials includes a horizontally arranged movable frame 1 and a pneumatic belt sander 2, the pneumatic belt sander 2 being movably positioned at the center of the movable frame 1; a connecting block 3 is arranged above the pneumatic belt sander 2, and movable columns 4 are horizontally arranged on opposite sides of the connecting block 3; a connecting hole 8 is vertically and horizontally arranged through the center of the connecting block 3, and a sliding column 9 is vertically and slidably arranged within the connecting hole 8; the bottom surface of the sliding column 9 is fixedly connected to the top surface of the pneumatic belt sander 2; rolling grooves 5 are recessed along the length direction on opposite sides of the inner wall of the movable frame 1. Each movable column 4 is inserted into two rolling grooves 5 and slidably connected to them. Several pneumatic telescopic rods 6 are provided below the movable frame 1, and universal wheels 7 are movably installed below each of the pneumatic telescopic rods 6. A pneumatic belt sander 2 is used as a grinding component. Combined with the movable frame 1 and the pneumatic telescopic rods 6, the movable column 4 moves back and forth in the rolling grooves 5 of the movable frame 1 to adjust the pneumatic belt sander 2 to fit against the surface of the metal material for grinding. The universal wheels 7 are used to move the entire device to complete the grinding of long metal materials.
[0022] Example 2:
[0023] A spring 10 is fitted under the connecting block 3 on the sliding column 9. One end of the spring 10 abuts against the bottom surface of the connecting block 3, and the other end abuts against the top surface of the pneumatic belt sander 2. A hand grip plate 11 is fixedly and horizontally installed above the connecting block 3 on the sliding column 9. The spring 10 is used to apply downward pressure when the pneumatic belt sander 2 abuts against the metal material, further conforming to the surface to be sanded. When moving, the moving column 4 rotates so that the pneumatic belt sander 2 always remains tangent to the metal material when the moving frame 1 moves. The hand grip plate 11 is used by technicians to easily apply force when pushing the pneumatic belt sander 2 back and forth, so that the pneumatic belt sander 2 can rotate and move freely relative to the moving frame 1.
[0024] Example 3:
[0025] The pneumatic belt sander 2 includes a pneumatic motor 12 and a fixed housing 13. The pneumatic motor 12 is horizontally mounted on one side of the fixed housing 13. The fixed end of the pneumatic motor 12 is fixedly mounted inside the fixed housing 13. A main roller 14 is fixedly mounted on the output end of the pneumatic motor 12. Two driven rollers 15 are mounted on the fixed housing 13 below the main roller 14, rotating back and forth. The main roller 14 and the driven rollers 15 are connected by a transmission sanding belt 20. Using the pneumatic belt sander 2 as the grinding component results in a simple structure, easy maintenance and replacement. Furthermore, using the transmission sanding belt 20 as the grinding contact material allows for the transmission of the two driven rollers 15 while leaving a deformation space between them. This enables the transmission sanding belt 20 to conform to the circumferential surface of the metal tube material during grinding, improving the versatility of the equipment.
[0026] Example 4:
[0027] A connecting post 16 is vertically arranged at the bottom of the fixed shell 13. Two horizontal bars 17 are arranged at horizontal intervals on the front and rear sides of the connecting post 16, and the two horizontal bars 17 are connected to each other by a vertical bar 18. Two driven rollers 15 are respectively rotatably arranged at the ends of the two horizontal bars 17 on the same side. Fixing holes 19 are provided through the front and rear sides of the connecting post 16, and the fixing holes 19 are fixedly connected to the middle of the vertical bar 18. The horizontal bars 17 are used to connect the driven rollers 15 on the left and right sides of the pneumatic belt sander 2. The connecting post 16 is used to fix the structure formed by the horizontal bars 17 and the vertical bars 18, thereby fixing the position of the driven rollers 15 relative to the main rollers 14.
[0028] Example 5:
[0029] The movable column 4 is fitted with a movable roller 21 within the rolling groove 5; the movable roller 21 is slidably connected to the rolling groove 5; the movable roller 21 is used to move the movable column 4 back and forth along the rolling groove 5, so that the pneumatic belt sander 2 maintains the same movement path when it repeatedly grinds.
[0030] Example 6:
[0031] The diameter of the movable roller 21 matches the distance between the upper and lower sides of the groove wall of the rolling bar groove 5; when the movable roller 21 rolls in the rolling bar groove 5, its side continuously contacts the inner wall of the rolling bar groove 5 to prevent the pneumatic belt sander 2 from deflecting in the horizontal direction during the back and forth movement, which would cause the movable column 4 to detach from the movable frame 1.
[0032] Example 7:
[0033] An air inlet pipe 22 and an air outlet pipe 23 are arranged sequentially on the rear side of the pneumatic motor 12; the air inlet pipe 22 and the air outlet pipe 23 are used to connect an air pump to blow air and exhaust air from the pneumatic motor 12.
[0034] Although the present invention has been described herein with reference to several illustrative embodiments, it should be understood that many other modifications and implementations can be devised by those skilled in the art, which will fall within the scope and spirit of the principles disclosed herein. More specifically, various variations and modifications can be made to the components and / or layout of the subject matter combination within the scope of the disclosure, drawings, and claims. Besides variations and modifications to the components and / or layout, other uses will be apparent to those skilled in the art.
Claims
1. A pneumatic grinding device for metal materials, characterized in that: The device includes a horizontally arranged movable frame (1) and a pneumatic belt sander (2), with the pneumatic belt sander (2) movably positioned at the center of the movable frame (1). A connecting block (3) is provided above the pneumatic belt sander (2), and movable columns (4) are horizontally arranged on both sides of the connecting block (3). A connecting hole (8) is provided vertically through the center of the connecting block (3), and a sliding column (9) is vertically slidably arranged inside the connecting hole (8). The bottom surface of the sliding column (9) is fixedly connected to the top surface of the pneumatic belt sander (2). Rolling grooves (5) are recessed along the length direction on both sides of the inner wall of the movable frame (1), and two movable columns (4) are respectively inserted into two rolling grooves (5) and slidably connected to the rolling grooves (5). Several pneumatic telescopic rods (6) are provided below the movable frame (1), and casters (7) are movably arranged below the several pneumatic telescopic rods (6).
2. The pneumatic grinding device for metal materials according to claim 1, characterized in that: The sliding column (9) is fitted with a spring (10) below the connecting block (3). One end of the spring (10) abuts against the bottom surface of the connecting block (3), and the other end abuts against the top surface of the pneumatic belt sander (2). A hand grip plate (11) is fixedly and horizontally installed above the connecting block (3) on the sliding column (9).
3. The pneumatic grinding device for metal materials according to claim 1, characterized in that: The pneumatic belt sander (2) includes a pneumatic motor (12) and a fixed housing (13). The pneumatic motor (12) is horizontally arranged on one side of the fixed housing (13). A main roller (14) is fixedly arranged on the output end of the pneumatic motor (12). A driven roller (15) is rotatably arranged on both the front and rear sides below the main roller (14) of the fixed housing (13). The main roller (14) and the driven roller (15) are connected by a sanding belt (20).
4. The pneumatic grinding device for metal materials according to claim 3, characterized in that: The bottom of the fixed shell (13) is vertically downwardly provided with a connecting column (16). Two horizontal bars (17) are horizontally spaced on the front and rear sides of the connecting column (16). The two horizontal bars (17) are connected to each other by a vertical bar (18). Two driven rollers (15) are respectively rotatably provided at the ends of the two horizontal bars (17) on the same side. Fixing holes (19) are provided through the front and rear sides of the connecting column (16). The fixing holes (19) are fixedly connected to the middle of the vertical bar (18).
5. The pneumatic grinding device for metal materials according to claim 1, characterized in that: The movable column (4) is fitted with a movable roller (21) within the rolling groove (5); the movable roller (21) is slidably connected to the rolling groove (5).
6. The pneumatic grinding device for metal materials according to claim 5, characterized in that: The diameter of the movable roller (21) matches the distance between the upper and lower sides of the groove wall of the rolling bar groove (5).
7. The pneumatic grinding device for metal materials according to claim 3, characterized in that: The pneumatic motor (12) has an air inlet pipe (22) and an air outlet pipe (23) arranged sequentially on the rear side.