Improved abrasive belt mechanism for surface treatment

By using an improved belt sander mechanism, which utilizes a motor drive and cylinder to adjust the tension, the problem of uneven sanding by traditional sandpaper has been solved, achieving uniform sanding and efficient processing of the workpiece surface.

CN223477244UActive Publication Date: 2025-10-28SHEN ZHEN YONG LIN TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422790062.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-10-28
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

Traditional sandpaper polishing methods are difficult to fully adhere to the workpiece surface, resulting in uneven polishing and affecting processing quality and efficiency.

Method used

An improved sanding belt mechanism was designed, including a sanding disc, a support plate, a base plate, a mechanical pneumatic valve, a drive wheel, a tension wheel, a driven wheel, an adjusting block, fastening bolts, and a fixing block. The sanding belt is driven by a motor to maintain stable tension, and the tension is adjusted by a cylinder and a pneumatic valve. It is equipped with anti-slip texture and wear-resistant material to adapt to different workpiece surfaces.

Benefits of technology

It achieves a tight fit between the abrasive belt and the workpiece surface, improving the uniformity and efficiency of grinding, adapting to various workpiece surfaces, and is simple to operate and precisely adjustable.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223477244U_ABST
    Figure CN223477244U_ABST
Patent Text Reader

Abstract

The utility model relates to an improved abrasive belt mechanism for surface treatment, in particular to an abrasive belt mechanism for polishing the surface of a workpiece. Comprising a polishing disc, and a polishing disc mandrel is driven by a motor to rotate so as to drive a driving wheel to rotate; the mechanical pneumatic valve comprises a pneumatic valve pull rod, the purpose of loosening the tensioning wheel is achieved by pulling out the releasing air cylinder outwards, and otherwise the tensioning wheel is tensioned. The tensioning wheel is installed on the bottom plate through a tensioning wheel shaft and a bearing and used for adjusting the tensioning degree of the abrasive belt. The limiting ring is installed on the tensioning wheel shaft and used for limiting the moving range of the tensioning wheel. The air cylinder is fixed to the bottom plate through an air cylinder connecting plate and used for driving the tensioning wheel to be tensioned and loosened. The adjusting block is installed on the bottom plate and used for adjusting the working position of the air cylinder. The fastening bolt is used for fixing the adjusting block and the air cylinder connecting plate. The polishing device is simple in structure and convenient to operate, and the polishing efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to an improved sanding belt mechanism for surface treatment, and in particular to a sanding belt mechanism for grinding the surface of workpieces. Background Technology

[0002] Traditional sanding methods often fail to fully adhere to the workpiece surface when dealing with workpieces with uneven surfaces, resulting in uneven sanding and affecting processing quality and efficiency. To solve this problem, this invention provides an improved sanding belt mechanism that can better adhere to the workpiece surface and improve the sanding effect. Utility Model Content

[0003] The purpose of this invention is to provide a sanding belt mechanism that is simple in structure, easy to operate, and has a good grinding effect.

[0004] To achieve the above objectives, this utility model provides an improved belt sander mechanism for surface treatment, comprising a sanding disc, a support plate, a base plate, a mechanical pneumatic valve, a drive wheel, a tensioning wheel, a driven wheel, an adjusting block, fastening bolts, and a fixing block; the sanding disc is driven by a motor to rotate the sanding disc spindle, thereby driving the rotation of the drive wheel; the support plate is located above the base plate and supports the entire mechanism; the base plate serves as the foundation of the entire mechanism, providing stable support; the mechanical pneumatic valve includes a pneumatic valve lever, which releases the cylinder by pulling it outward to loosen the tensioning wheel, and vice versa; the tensioning wheel is connected to a tensioning wheel shaft and a shaft The bearing is mounted on the base plate to adjust the tension of the sanding belt; the limit ring is mounted on the tension wheel shaft to limit the movement range of the tension wheel; the driven wheel, which includes the driven wheel shaft and the limit sleeve, is mounted on the base plate to guide the movement of the sanding belt; the cylinder is fixed to the base plate via the cylinder connecting plate to drive the tensioning wheel to tension and release; the adjusting block is mounted on the base plate to adjust the working position of the cylinder; the fastening bolts are used to fix the adjusting block and the cylinder connecting plate; the fixing block is mounted on the base plate to fix the support plate; the sanding belt is mounted on the driving wheel, the tension wheel, and the driven wheel for grinding the surface of the workpiece.

[0005] The beneficial effects of this utility model are as follows:

[0006] This utility model's sanding belt mechanism uses a motor to drive the rotation of the polishing disc and the drive wheel, maintaining a stable tension on the sanding belt during operation and improving polishing efficiency and effect. A mechanical pneumatic valve connected to a cylinder adjusts the tension of the tensioning wheel by controlling the cylinder's extension and retraction, offering convenient operation and precise adjustment. Both the tensioning wheel and the driven wheel have anti-slip textures to increase friction on the sanding belt during operation and prevent slippage. The base plate has multiple mounting holes for installing different types of support structures to adapt to various working environments and needs. The cylinder is a double-acting cylinder, capable of providing greater thrust and pull to ensure the stability and reliability of the tensioning wheel. The adjusting block has graduations for precisely adjusting the cylinder's working position to achieve precise control of the sanding belt tension. The sanding belt is made of wear-resistant material, possessing high strength and durability, maintaining its polishing effect during prolonged use. Attached Figure Description

[0007] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0008] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0009] Figure 2 This is a schematic diagram of the overall structure of this utility model, in which the sanding belt is not shown;

[0010] Figure 3 This is an exploded view of the overall structure of this utility model;

[0011] Explanation of reference numerals in the attached figures:

[0012] 1. Throwing disc; 2. Support plate; 3. Base plate; 4. Mechanical pneumatic valve; 5. Drive wheel; 6. Tensioning wheel; 61. Limiting ring; 62. Tensioning wheel shaft; 63. Bearing; 7. Driven wheel; 71. Driven wheel shaft; 72. Limiting sleeve; 8. Cylinder; 9. Connecting plate; 11. Adjusting block; 12. Fastening bolt; 13. Fixing block; 14. Sanding belt. Detailed Implementation

[0013] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0014] The specific implementation of the present invention will be further described in detail below with reference to the accompanying drawings.

[0015] like Figure 1 As shown, this utility model provides an improved belt sander mechanism for surface treatment, including a sanding disc 1, a support plate 2, a base plate 3, a mechanical pneumatic valve 4, a drive wheel 5, a tension wheel 6, a driven wheel 7, an adjusting block 11, fastening bolts 12, and a fixing block 13. The sanding disc 1 is driven by a motor to rotate the sanding disc spindle, thereby driving the rotation of the drive wheel 5. The support plate 2 is located above the base plate 3 and is used to support the entire mechanism. The base plate 3 serves as the foundation of the entire mechanism, providing stable support.

[0016] The mechanical pneumatic valve 4 includes a pneumatic valve lever 41, which releases the cylinder by pulling it outward to loosen the tension wheel 6, and vice versa. The tension wheel 6 is mounted on the base plate 3 via a tension wheel shaft 62 and a bearing 63, and is used to adjust the tension of the sanding belt 14. A limit ring 61 is mounted on the tension wheel shaft 62 to limit the range of movement of the tension wheel 6.

[0017] Driven wheel 7, including driven wheel shaft 71 and limiting sleeve 72, is mounted on base plate 3 and guides the movement of sanding belt 14. Cylinder 8 is fixed to base plate 3 via cylinder connecting plate 9 and drives tensioning and loosening of tensioning wheel 6. Adjusting block 11 is mounted on base plate 3 and adjusts the working position of cylinder 8. Fastening bolt 12 is used to fix adjusting block 11 and cylinder connecting plate 9. Fixing block 13 is mounted on base plate 3 and fixes support plate 2. Sanding belt 14 is mounted on drive wheel 5, tensioning wheel 6 and driven wheel 7 and is used to grind the surface of workpieces.

[0018] The polishing disc 1 is driven by a motor to rotate the polishing disc spindle, which in turn drives the drive wheel 5 to rotate. The drive wheel 5 is connected to the sanding belt 14 via a transmission belt, so that the sanding belt 14 maintains a stable tension during operation.

[0019] The mechanical pneumatic valve 4 releases the cylinder by pulling it outward through the pneumatic valve lever 41, thereby loosening the tension wheel 6. Conversely, it tightens the tension wheel 6. The pneumatic valve 4 is connected to the cylinder 8, and the tension of the tension wheel 6 is adjusted by controlling the extension and retraction of the cylinder 8.

[0020] The tensioning wheel 6 is mounted on the base plate 3 via the tensioning wheel shaft 62 and the bearing 63, and is used to adjust the tension of the sanding belt 14. One end of the tensioning wheel shaft 62 is fixed on the base plate 3, and the other end is connected to the tensioning wheel 6 via the bearing 63.

[0021] The limiting ring 61 is installed on the tension wheel shaft 62 to limit the range of movement of the tension wheel 6. The limiting ring 61 is fixed to the tension wheel shaft 62 by screws and its position can be adjusted as needed.

[0022] Driven wheel 7 includes driven wheel shaft 71 and limiting sleeve 72, which are mounted on base plate 3 to guide the movement of sanding belt 14. Driven wheel shaft 71 is fixed on base plate 3 by limiting sleeve 72, and driven wheel 7 is connected to driven wheel shaft 71 by bearing.

[0023] The cylinder 8 is fixed to the base plate 3 via the cylinder connecting plate 9, and is used to drive the tensioning wheel 6 to tension and loosen. The cylinder connecting plate 9 is fixed to the base plate 3 by bolts, and its position can be adjusted as needed.

[0024] The adjusting block 11 is installed on the base plate 3 and is used to adjust the working position of the cylinder 8. The adjusting block 11 is fixed to the base plate 3 by bolts and its position can be adjusted as needed.

[0025] The fastening bolt 12 is used to fix the adjusting block 11 and the cylinder connecting plate 9. The fastening bolt 12 is connected to the adjusting block 11 and the cylinder connecting plate 9 by a nut, and its tightness can be adjusted as needed.

[0026] The sanding belt 14 is made of wear-resistant material, possessing high strength and durability, and can maintain its sanding effect during long-term use; both the drive wheel 5 and the driven wheel 7 are equipped with anti-slip textures to increase the friction of the sanding belt 14 during operation and prevent it from slipping; the base plate 3 has multiple mounting holes for installing different types of support structures to adapt to different working environments and needs; the cylinder 8 is a double-acting cylinder, capable of providing greater thrust and pull to ensure the stability and reliability of the tensioning wheel 6; the adjusting block 11 has scale markings for precisely adjusting the working position of the cylinder 8 to achieve precise control of the tension of the sanding belt 14.

[0027] Example 1

[0028] In one embodiment, the abrasive belt mechanism is used to grind titanium alloy surfaces with complex curved structures. By adjusting the working position of the cylinder 8 and the tension of the tension wheel 6, the abrasive belt 14 can closely adhere to the workpiece surface, achieving uniform grinding and improving surface finish.

[0029] Example 2

[0030] In another embodiment, the belt abrasive mechanism is applied in an automated production line. The control system automatically adjusts the extension and retraction of the cylinder 8 and the tension of the tensioning wheel 6 to achieve automated grinding of different workpieces, thereby improving production efficiency and consistency.

[0031] Example 3

[0032] In the third embodiment, the abrasive belt mechanism is used to polish stainless steel surfaces. Due to the high hardness of stainless steel, the abrasive belt 14 is made of a high-strength, wear-resistant material to ensure good polishing results and durability during long-term polishing.

[0033] In summary, this utility model provides an improved belt sander mechanism. Through a reasonable structural design, it achieves better fit and sanding effect when sanding workpiece surfaces. It is easy to operate, precisely adjustable, and suitable for various working environments and needs. The embodiments described in this specific description are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. An improved belt abrasive mechanism for surface treatment, characterized in that, The system includes a throwing disc (1), a support plate (2), a base plate (3), a mechanical pneumatic valve (4), a drive wheel (5), a tension wheel (6), a driven wheel (7), an adjusting block (11), fastening bolts (12), and a fixing block (13). The throwing disc (1) is driven by a motor to rotate the throwing disc spindle, thereby driving the drive wheel (5) to rotate. The support plate (2) is located above the base plate (3) and is used to support the entire mechanism. The base plate (3) serves as the foundation of the entire mechanism, providing stable support. The mechanical pneumatic valve (4) includes a pneumatic valve lever (41), which releases the cylinder by pulling it outward to loosen the tension wheel (6) and vice versa. The tension wheel (6) is mounted on the base plate (3) via a tension wheel shaft (62) and a bearing (63) and is used to adjust the tension of the sanding belt (14). A ring (61) is mounted on the tension wheel shaft (62) to limit the movement range of the tension wheel (6); the driven wheel (7), which includes a driven wheel shaft (71) and a limiting sleeve (72), is mounted on the base plate (3) to guide the movement of the sanding belt (14); the cylinder (8) is fixed on the base plate (3) through the cylinder connecting plate (9) to drive the tension wheel (6) to tension and loosen; the adjusting block (11) is mounted on the base plate (3) to adjust the working position of the cylinder (8); the fastening bolt (12) is used to fix the adjusting block (11) and the cylinder connecting plate (9); the fixing block (13) is mounted on the base plate (3) to fix the support plate (2); the sanding belt (14) is mounted on the driving wheel (5), the tension wheel (6) and the driven wheel (7) to grind the surface of the workpiece.

2. The belt abrasive mechanism according to claim 1, characterized in that, The blasting disc (1) is driven by a motor to rotate the blasting disc spindle, thereby driving the rotation of the drive wheel (5). The drive wheel (5) is connected to the sanding belt (14) through a transmission belt, so that the sanding belt (14) maintains a stable tension during operation.

3. The belt abrasive mechanism according to claim 1, characterized in that, The mechanical pneumatic valve (4) is pulled outward to release the cylinder via the pneumatic valve lever (41); the pneumatic valve (4) is connected to the cylinder (8), and the tension of the tension wheel (6) is adjusted by controlling the extension and retraction of the cylinder (8).

4. The belt abrasive mechanism according to claim 1, characterized in that, One end of the tension wheel shaft (62) is fixed on the base plate (3), and the other end is connected to the tension wheel (6) through a bearing (63).

5. The belt abrasive mechanism according to claim 1, characterized in that, The limiting ring (61) is installed on the tension wheel shaft (62) to limit the movement range of the tension wheel (6). The limiting ring (61) is fixed on the tension wheel shaft (62) by screws and its position can be adjusted as needed.

6. The belt abrasive mechanism according to claim 1, characterized in that, The driven wheel shaft (71) is fixed on the base plate (3) by a limiting sleeve (72), and the driven wheel (7) is connected to the driven wheel shaft (71) by a bearing.

7. The belt abrasive mechanism according to claim 1, characterized in that, The cylinder connecting plate (9) is fixed to the base plate (3) by bolts, and its position can be adjusted as needed.

8. The belt abrasive mechanism according to claim 1, characterized in that, The adjusting block (11) is fixed to the base plate (3) by bolts, and its position can be adjusted as needed.

9. The belt abrasive mechanism according to claim 1, characterized in that, The fastening bolt (12) is used to fix the adjusting block (11) and the cylinder connecting plate (9). The fastening bolt (12) is connected to the adjusting block (11) and the cylinder connecting plate (9) by a nut, and its tightness can be adjusted as needed.

10. The belt abrasive mechanism according to claim 1, characterized in that, The sanding belt (14) is made of wear-resistant material, has high strength and durability, and can maintain its sanding effect during long-term use; both the driving wheel (5) and the driven wheel (7) are provided with anti-slip texture to increase the friction of the sanding belt (14) during operation and prevent the sanding belt (14) from slipping; the base plate (3) is provided with multiple mounting holes for installing different types of support structures to adapt to different working environments and needs; the cylinder (8) is a double-acting cylinder, which can provide greater thrust and pull to ensure the stability and reliability of the tensioning wheel (6); the adjusting block (11) is provided with scale marks for precisely adjusting the working position of the cylinder (8) to achieve precise control of the tension of the sanding belt (14).