Angle-adjustable belt sander

Abstract

The utility model relates to abrasive belt machine adjusting technical field, especially with angle adjusting function's abrasive belt machine, including mounting bracket and support plate, one side outer wall fixed connection has third rotating motor in rotating stand, the output shaft of third rotating motor and rotating center fixed connection of rotating stand, rotating stand one side outer wall passes through bearing and is connected with the rotating block, rotating block outer wall fixed connection has a plurality of sleeve that is circumferential array, be equipped with telescopic link in the sleeve, telescopic link one end fixed connection has support plate, support plate lower extreme outer wall and spring one end fixed connection. The device utilizes third rotating motor drive's sand strip inclination angle adjusting structure and first rotating motor drives mounting bracket whole angle adjusting structure, realized sand strip local tilt's accurate fine adjustment and equipment whole angle's flexible adjustment effect, solved the problem that current device lacks double angle adjusting function and cannot simultaneously adapt polishing angle demand and operation scene requirement.

Description

Technical Field

[0001] This utility model relates to the field of belt sander adjustment technology, and in particular to a belt sander with angle adjustment function. Background Technology

[0002] Currently, most belt sanders on the market have limited angle adjustment functions. They either only allow for simple adjustments to the local tilt angle of the sanding strip, or only offer fixed-level switching of the overall machine angle, making it difficult to cater to both needs. This design often results in insufficient angle adjustment precision or a limited range, affecting the sanding effect when faced with complex sanding requirements for different workpieces. Furthermore, in operating scenarios such as confined spaces or workpieces with unusual placement angles, the inability to flexibly adapt to both overall and local angles not only increases operational difficulty but also easily leads to incomplete sanding and low efficiency, failing to meet diverse practical operational needs.

[0003] A search revealed patent publication number CN219131839U, which discloses an angle adjustment mechanism for a belt sander. The mechanism includes a belt sander support and a belt sander adjustment frame. The belt sander adjustment frame is positioned above the belt sander support. A driven wheel is rotatably connected within the belt sander adjustment frame. A support plate extending downwards into the belt sander support is fixed at the lower end of the belt sander adjustment frame. An angle adjustment component is located on the right side of the support plate, and a height adjustment component is located below the belt sander support. This invention uses the rotation of the internal threaded sleeve to drive the external threaded shaft to move left and right, thereby stably driving the belt sander adjustment frame to move left and right together. Therefore, the angle of the driven wheel offset can be adjusted stably and conveniently. Combined with the pointer pointing to the scale on the dial, the distance of the driven wheel angle offset can be accurately measured, ensuring the accuracy of the driven wheel angle offset.

[0004] While existing technologies can achieve a certain degree of angle adjustment during use, they suffer from several drawbacks: they lack dual angle adjustment functionality and cannot simultaneously adapt to grinding angle requirements and operational scenario demands. In light of this, we propose a belt sander with angle adjustment functionality, which solves the aforementioned problems. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a belt sander with angle adjustment function.

[0006] The technical solution of this utility model is as follows: A belt sander with angle adjustment function includes a mounting frame and a support plate. A third rotating motor is fixedly connected to one outer wall of the rotating frame. The output shaft of the third rotating motor is fixedly connected to the rotation center of the rotating frame. One outer wall of the rotating frame is connected to a rotating block through a bearing. A plurality of sleeves arranged in a circumferential array are fixedly connected to the outer wall of the rotating block. A telescopic rod is provided inside the sleeve. A support plate is fixedly connected to one end of the telescopic rod. One end of the lower outer wall of the support plate is fixedly connected to one end of a spring. The other end of the spring is fixedly connected to the outer wall of the rotating block. A movable rod is fixedly connected to one outer wall of the rotating block. The movable rod is located in a guide groove. The guide groove is located at one end of the mounting frame. The spring provides support force to the support plate, so that the support plate can tightly adhere to and support the sanding strip.

[0007] When using one of the belt sanders with angle adjustment functions in this solution, the grip handle drives the first rotating motor to rotate, which in turn drives the mounting frame to rotate, thereby adjusting the overall rotation angle of the mounting frame; the second rotating motor is controlled by the button to provide power support for the movement of the sanding strip; the third rotating motor can also be controlled by the button to rotate, causing the rotating frame to drive the rotating block to move. With the cooperation of the moving rod and the guide groove, the moving block moves along the arc surface of the guide groove, thereby changing the position of the support point and achieving the effect of adjusting the tilt angle of the sanding strip.

[0008] Preferably, a second rotating motor is fixedly connected to one side of the outer wall of the mounting frame, and the output shaft of the second rotating motor is fixedly connected to the rotation center of the second roller, so that driving the second rotating motor can provide power for the movement of the sanding strip.

[0009] Preferably, the inner wall of the mounting frame is connected to the first roller via a bearing, and the mounting frame is provided with a sanding strip, which is sleeved on the outer wall of the first roller, the second roller and the support plate, and the sanding strip is supported at three points.

[0010] Preferably, a mounting base is provided on one side of the mounting frame, and a first rotating motor is embedded in the mounting base. The output shaft of the first rotating motor is fixedly connected to the outer wall of one side of the mounting frame. The first rotating motor can drive the mounting frame to rotate as a whole and adjust the overall rotation angle of the mounting frame.

[0011] Preferably, the mounting base contains a battery, and a handle is fixedly connected to one outer wall of the mounting base. The battery powers the device, and the handle is convenient for the user to hold.

[0012] Preferably, the lower end of the handle is provided with a handle, the upper outer wall of the handle is provided with a button, the handle is connected to the first rotating motor through a circuit, and the button is connected to the second rotating motor and the third rotating motor through a circuit respectively.

[0013] Compared with existing technologies, the advantages of this utility model are: This invention utilizes a third rotating motor to drive a rotating frame, which in turn moves a rotating block. Combined with the limiting effect of the moving rod and guide groove, it allows for precise adjustment of the support plate's support point on the abrasive strip. This enables flexible adjustment of the abrasive strip's tilt angle, meeting the diverse angle requirements of different workpieces and grinding areas. Simultaneously, a spring provides continuous elastic support to the support plate, ensuring the abrasive strip remains taut at all times. This effectively avoids the decrease in grinding accuracy caused by abrasive strip slack and improves the stability of grinding quality.

[0014] Based on the first beneficial effect, the first rotating motor can drive the entire mounting frame to rotate around the output shaft, realizing the adjustment of the overall angle of the equipment, forming a "dual angle adjustment" system with the adjustment of the sanding strip tilt angle. This design allows the equipment to not only fine-tune the tilt state of the sanding strip itself, but also adjust the orientation of the entire mounting frame according to the needs of the working space, workpiece placement angle, and other scenarios, further expanding the applicability of the equipment.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the present invention; Figure 2 This is a front view schematic diagram of the present utility model; Figure 3 This is a rear view schematic diagram of the present invention; Figure 4 This is a cross-sectional view of the present invention; Figure 5 For the present utility model Figure 1 An enlarged schematic diagram of structure A in the middle.

[0017] Figure label: 1. Sanding strip; 2. Mounting bracket; 3. First rotating motor; 4. Button; 5. Handle; 6. Battery; 7. Second rotating motor; 8. Rotating frame; 9. Mounting base; 10. Handle; 11. First roller; 12. Third rotating motor; 13. Moving rod; 14. Guide groove; 15. Second roller; 16. Spring; 17. Rotating block; 18. Support plate; 19. Sleeve; 20. Telescopic rod. Detailed Implementation

[0018] To make the above-mentioned objectives, features and advantages of this utility model more readily understood, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0019] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0020] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0022] Example 1 Please see Figures 1-5 As shown, this embodiment is a belt sander with angle adjustment function, including a mounting frame 2 and a support plate 18. A third rotating motor 12 is fixedly connected to one outer wall of the rotating frame 8. The output shaft of the third rotating motor 12 is fixedly connected to the rotation center of the rotating frame 8. One outer wall of the rotating frame 8 is connected to a rotating block 17 through a bearing. A plurality of sleeves 19 arranged in a circular array are fixedly connected to the outer wall of the rotating block 17. A telescopic rod 20 is provided inside the sleeve 19. One end of the telescopic rod 20 is fixedly connected to the support plate 18. The lower outer wall of the support plate 18 is fixedly connected to one end of a spring 16. The other end of the spring 16 is fixedly connected to the outer wall of the rotating block 17. A movable rod 13 is fixedly connected to one side of the outer wall of the swivel block 17. The movable rod 13 is located in the guide groove 14, which is located at one end of the mounting frame 2. In use, the third rotating motor 12 is driven to rotate the rotating frame 8. The rotation of the rotating frame 8 causes the swivel block 17 to rotate around the center of the rotating frame 8, changing the position of the swivel block 17 and thus changing the effect on the support point of the sanding strip 1. The spring 16 provides continuous elastic support force to the support plate 18, so that the support plate 18 can always be in close contact with the inner wall of the sanding strip 1, forming a stable support for the sanding strip 1 and ensuring that the sanding strip 1 remains taut during operation, avoiding slackness that would affect the grinding effect.

[0023] Example 2 Please see Figures 1-5As shown, this embodiment further includes, based on embodiment 1, a second rotating motor 7 fixedly connected to the outer wall of one side of the mounting frame 2. The output shaft of the second rotating motor 7 is fixedly connected to the rotation center of the second roller 15. In use, the second rotating motor 7 is driven to run, and its output shaft will drive the second roller 15 to rotate synchronously. Since the sanding strip 1 is sleeved on the second roller 15, the rotation of the second roller 15 will drive the sanding strip 1 to circulate along the first roller 11, support plate 18 and other support components, providing power for the sanding operation of the belt sander.

[0024] The inner wall of the mounting frame 2 is connected to the first roller 11 via a bearing. The mounting frame 2 is equipped with a sanding strip 1, which is sleeved on the outer wall of the first roller 11, the second roller 15, and the support plate 18. During use, the sanding strip 1 is supported by the first roller 11, the second roller 15, and the support plate 18 at three points, forming a stable transmission path. Driven by the second rotating motor 7, the sanding strip 1 can run smoothly along the trajectory formed by these three points of support, ensuring the continuity and stability of the grinding operation.

[0025] The mounting bracket 2 has a mounting seat 9 on one side, and a first rotating motor 3 is embedded in the mounting seat 9. The output shaft of the first rotating motor 3 is fixedly connected to the outer wall of one side of the mounting bracket 2. When in use, the first rotating motor 3 is started, and its output shaft will drive the mounting bracket 2 to rotate around the output shaft axis, thereby realizing the adjustment of the overall angle of the mounting bracket 2 to adapt to different working scenarios and grinding angle requirements.

[0026] The mounting base 9 contains a battery 6, and a handle 5 is fixedly connected to the outer wall of one side of the mounting base 9. When in use, the battery 6 provides power support for all electrical components of the belt sander, ensuring that the equipment can work independently without an external power source. The handle 5 is ergonomically designed, making it easy for users to hold the equipment stably during operation, thus improving the comfort and safety of operation.

[0027] The handle 5 has a handle 10 at the lower end and a button 4 on the upper outer wall of the handle 5. When in use, pressing the handle 10 can control the start and operation of the first rotating motor 3 through the circuit, thereby adjusting the overall angle of the mounting bracket 2. The operation button 4 can control the start, stop and operation status of the second rotating motor 7 and the third rotating motor 12 through the circuit, realizing the motion drive of the sanding strip 1 and the adjustment of the tilt angle of the sanding strip 1. The operation is convenient and intuitive.

[0028] Instructions for use: When using this device, gripping the handle 10 drives the first rotating motor 3 to rotate, which in turn rotates the mounting frame 2, thereby adjusting the overall rotation angle of the mounting frame 2. The second rotating motor 7 is driven by the button 4, providing power support for the movement of the sanding strip 1. The third rotating motor 12 can also be controlled by the button 4, causing the rotating frame 8 to move the rotating block 17. With the cooperation of the moving rod 13 and the guide groove 14, the rotating block 17 moves along the arc surface of the guide groove 14, thereby changing the position of the support point and achieving the effect of adjusting the tilt angle of the sanding strip 1. Finally, it should be noted that the above description is only a preferred embodiment of this utility model and is not intended to limit this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A belt sander with angle adjustment function, comprising a mounting frame (2) and a support plate (18), characterized in that: A third rotating motor (12) is fixedly connected to one side of the outer wall of the rotating frame (8). The output shaft of the third rotating motor (12) is fixedly connected to the rotation center of the rotating frame (8). The outer wall of one side of the rotating frame (8) is connected to the rotating block (17) through a bearing. A plurality of sleeves (19) arranged in a circular array are fixedly connected to the outer wall of the rotating block (17). A telescopic rod (20) is provided inside the sleeve (19). A support plate (18) is fixedly connected to one end of the telescopic rod (20). The lower outer wall of the support plate (18) is fixedly connected to one end of the spring (16). The other end of the spring (16) is fixedly connected to the outer wall of the rotating block (17). A moving rod (13) is fixedly connected to one side of the outer wall of the rotating block (17). The moving rod (13) is located in the guide groove (14). The guide groove (14) is located at one end of the mounting frame (2).

2. A belt sander with angle adjustment function according to claim 1, characterized in that: A second rotating motor (7) is fixedly connected to the outer wall of one side of the mounting bracket (2), and the output shaft of the second rotating motor (7) is fixedly connected to the rotation center of the second roller (15).

3. A belt sander with angle adjustment function according to claim 1, characterized in that: The inner wall of the mounting frame (2) is connected to the first roller (11) via a bearing. The mounting frame (2) is provided with a sanding strip (1), which is sleeved on the outer wall of the first roller (11), the second roller (15) and the support plate (18).

4. A belt sander with angle adjustment function according to claim 1, characterized in that: The mounting bracket (2) has a mounting seat (9) on one side, and a first rotating motor (3) is embedded in the mounting seat (9). The output shaft of the first rotating motor (3) is fixedly connected to the outer wall of one side of the mounting bracket (2).

5. A belt sander with angle adjustment function according to claim 4, characterized in that: The mounting base (9) contains a battery (6), and a handle (5) is fixedly connected to one side of the outer wall of the mounting base (9).

6. A belt sander with angle adjustment function according to claim 5, characterized in that: The handle (5) has a handle (10) at the lower end and a button (4) on the outer wall of the upper end of the handle (5).

Images