Grinding mechanism of abrasive belt grinding machine

Abstract

The utility model discloses a grinding mechanism of an abrasive belt grinding machine, which comprises a mounting plate, a support column is rotatably arranged on the mounting plate and is perpendicular to the outer side wall of the mounting plate, a support plate is fixed at one end of the support column far away from the mounting plate, a support shaft parallel to the mounting plate is rotatably arranged on the support plate, a connecting plate is fixed on the support shaft, and the connecting plate is fixed on the connecting plate. A fixing plate is fixed to the end, away from the supporting plate, of the connecting plate, the supporting plate is perpendicular to the connecting plate, a motor is fixedly arranged at the top end of the fixing plate, and a driving wheel is fixedly connected to the output end of the motor. The utility model belongs to the technical field of abrasive belt grinding machines, and particularly relates to a grinding mechanism of an abrasive belt grinding machine.

Description

Technical Field

[0001] The utility model belongs to the technical field of abrasive belt grinders, in particular to a grinding mechanism of abrasive belt grinders. Background Art

[0002] In modern industrial production, belt grinders are essential processing equipment, widely used for grinding materials such as metal, wood, and plastic. Currently, the grinding mechanism of most belt grinders has a relatively fixed angle and direction, making it difficult to flexibly adjust to suit different application scenarios. When faced with complex workpieces or machining tasks requiring specific grinding angles, traditional grinding mechanisms often fail to meet these requirements. This not only limits the processing range of belt grinders but can also lead to low efficiency and inconsistent quality. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a grinding mechanism of a belt grinder, which effectively solves the problem of difficulty in flexible adjustment according to different application scenarios.

[0004] The cam is fixed on the support frame, and the cam is fixed on the support frame with an end portion away from the support frame, and a connecting plate is fixed on the supporting plate so as to enable the cam to rotate.

[0005] A support frame is fixed on the outer walls on both sides of the support plate, and a worm is rotatably provided on the support frame and is perpendicular to the direction of the support plate. A rotating block is fixed to one end of the worm, and a worm wheel is fixedly sleeved on one end of the support shaft, and the worm wheel and the worm are meshed.

[0006] Preferably, racks are evenly provided on the outer wall of the support column, and a limiting rack plate is provided on the mounting plate to slide through the side wall of the mounting plate, the limiting rack plate and the rack are meshed, end plates are fixed on the top walls at both ends of the limiting rack plate, and connecting columns are fixed on the end plates perpendicular to the mounting plate, the connecting columns penetrate the mounting plate and slide relatively, and a spring is provided on the outer sleeve of the connecting column, one end of the spring is fixed on the outer wall of the end plate, and the other end of the spring is fixed on the outer wall of the mounting plate.

[0007] Preferably, the support column is cylindrical, and the longitudinal section of the limiting rack plate is arc-shaped and coaxial with the support column.

[0008] Preferably, the length of the rack is smaller than the length of the support column.

[0009] Preferably, a connecting block is fixed at one end of the driven wheel, a limiting groove is provided on the fixing plate, an external plate is fixed in the limiting groove, one end of the external plate extends out of the limiting groove and is parallel to the connecting block, a threaded rod is rotatably provided on the external plate, the threaded rod and the connecting block are threadedly connected, and an end block is fixed at one end of the threaded rod.

[0010] Preferably, the connecting block is a rectangular block, and the outer side wall of the connecting block is in close contact with the limiting groove and the outer side wall of the fixing plate.

[0011] Preferably, the vertical width of the limiting groove is smaller than the vertical width of the connecting block and smaller than the diameter of the driven wheel.

[0012] The utility model adopts the above structure to achieve the following beneficial effects:

[0013] 1. The grinding mechanism can flexibly adjust the angle and direction according to the workpieces of different shapes and processing requirements, so as to adapt to various complex processing scenarios. Whether it is a flat surface, a curved surface or a workpiece with a special angle, it can achieve efficient and precise grinding. It can ensure that the contact between the sanding belt and the workpiece surface is more uniform, reduce the phenomenon of uneven grinding, help improve the surface quality and dimensional accuracy of the workpiece, and meet the requirements of precision processing.

[0014] 2. The adjustable grinding mechanism can quickly adapt to different processing tasks, reducing the time and workload of adjusting the equipment, better exerting the grinding performance of the abrasive belt, and improving processing efficiency. It can be applied to a variety of different types of abrasive belt grinders, improving the versatility and compatibility of the equipment and reducing the equipment investment cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the grinding mechanism of a belt grinder proposed in this utility model. Figure 1 ;

[0016] Figure 2 This is a side view of the grinding mechanism of a belt grinder proposed in the present utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of the grinding mechanism of a belt grinder proposed in this utility model. Figure 2 ;

[0018] Figure 4 This is a bottom view of the grinding mechanism of a belt grinder proposed in the present invention;

[0019] Figure 5This is a front view of the grinding mechanism of a belt grinder proposed by the utility model.

[0020] Among them, 1. Mounting plate, 2. Support column, 3. Support plate, 4. Connecting plate, 5. Fixed plate, 6. Motor, 7. Driving wheel, 8. Driven wheel, 9. Sanding belt, 10. Support frame, 11. Worm, 12. Rotating block, 13. Worm gear, 14. Rack, 15. Limiting rack plate, 16. End plate, 17. Spring, 18. Connecting column, 19. Threaded rod, 20. End block, 21. Connecting block, 22. External plate, 23. Limiting slot, 24. Support shaft. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be noted that the terms "center," "up," "down," "left," "right," "vertical," "horizontal," "inside," and "outside" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for the purpose of facilitating the description of the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The present invention will be further described below in conjunction with the accompanying drawings.

[0023] like Figure 1-5 As shown, the grinding mechanism of a belt grinder proposed by the present invention includes a mounting plate 1, a support column 2 is provided on the mounting plate 1 and is rotatable perpendicular to the outer wall of the mounting plate 1, a support plate 3 is fixed to one end of the support column 2 away from the mounting plate 1, a support shaft 24 is rotatably provided on the support plate 3 and parallel to the mounting plate 1, a connecting plate 4 is fixed on the support shaft 24, and a fixing plate 5 is fixed on the end of the connecting plate 4 away from the support plate 3, the support plate 3 and the connecting plate 4 are perpendicular to each other, a motor 6 is fixed on the top of the fixing plate 5, a driving wheel 7 is fixedly connected to the output end of the motor 6, a driven wheel 8 is also provided on the fixing plate 5, and a sanding belt 9 is provided on the driving wheel 7 and the driven wheel 8, and the inner surface of the sanding belt 9 contacts the outer surface of the driving wheel 7 and the driven wheel 8, and power is transmitted by friction. When working, the sanding belt 9 is driven by the driving wheel 7 and circulates around the driving wheel 7 and the driven wheel 8 to grind the workpiece;

[0024] like Figure 1 、3 As shown, support frames 10 are fixed on the outer walls on both sides of the support plate 3, and a worm 11 is rotatably provided on the support frame 10 so as to be perpendicular to the direction of the support plate 3. A rotating block 12 is fixed to one end of the worm 11, and a worm gear 13 is fixedly sleeved on one end of the support shaft 24. The worm gear 13 and the worm 11 are meshed. Rotating the rotating block 12 drives the worm 11 to rotate, and the worm 11 drives the worm gear 13 to rotate, and the worm gear 13 drives the support shaft 24 and the connecting plate 4 to rotate, thereby driving the fixed plate 5, the driving wheel 7, the driven wheel 8 and the sanding belt 9 to rotate around the support shaft 24 as a whole, and can be flexibly adjusted according to different application scenarios.

[0025] like Figure 2 、 3 As shown, racks 14 are evenly provided on the outer wall of the support column 2, and a limiting rack plate 15 is provided on the mounting plate 1 to slide through the side wall of the mounting plate 1. The limiting rack plate 15 and the rack 14 are meshed. End plates 16 are fixed on the top walls of both ends of the limiting rack plate 15. Connecting columns 18 are fixed on the end plates 16 perpendicular to the mounting plate 1. The connecting columns 18 penetrate the mounting plate 1 and slide relatively. A spring 17 is provided on the outer sleeve of the connecting column 18. One end of the spring 17 is fixed on the outer wall of the end plate 16, and the other end of the spring 17 is fixed on the outer wall of the end plate 16. On the outer wall of the mounting plate 1, push the end plate 16 to drive the limiting rack plate 15 to move, move the limiting rack plate 15 to the side away from the rack 14, release the engagement between the limiting rack plate 15 and the rack 14, rotate the support column 2 and the support plate 3, so that the sanding belt 9 rotates as a whole, and adjusts the direction of the sanding belt 9. The support column 2 is cylindrical, and the longitudinal section of the limiting rack plate 15 is arc-shaped and coaxial with the support column 2. The length of the rack 14 is less than the length of the support column 2, providing space for the limiting rack plate 15.

[0026] like Figure 1 、 3 As shown, a connecting block 21 is fixed to one end of the driven wheel 8, a limiting groove 23 is provided on the fixing plate 5, an external plate 22 is fixed in the limiting groove 23, one end of the external plate 22 extends to the outside of the limiting groove 23 and is parallel to the connecting block 21, a threaded rod 19 is rotatably provided on the external plate 22, the threaded rod 19 and the connecting block 21 are threadedly connected, an end block 20 is fixed to one end of the threaded rod 19, and the rotating end block 20 drives the threaded rod 19 to move, and the threaded rod 19 drives the connecting block 21 and the driven wheel 8 to move, thereby adjusting the tension of the sanding belt 9, the connecting block 21 is a rectangular block, and the outer side wall of the connecting block 21 is close to the limiting groove 23 and the outer side wall of the fixing plate 5, limiting the connecting block 21, and the vertical width of the limiting groove 23 is smaller than the vertical width of the connecting block 21, and smaller than the diameter of the driven wheel 8, thereby increasing the stability of the driven wheel 8.

[0027] When in use, the end plate 16 is pushed to drive the limit rack plate 15 and the connecting column 18 to move, and the spring 17 is compressed, which moves the limit rack plate 15 to the side away from the rack 14, releasing the meshing of the limit rack plate 15 and the rack 14, rotating the support column 2 and the support plate 3, so that the sanding belt 9 rotates as a whole, and the direction of the sanding belt 9 is adjusted to the appropriate direction, and the end plate 16 is released. Under the action of the restoring force of the spring 17 itself, the limit rack plate 15 is restored to its original position, and the limit rack plate 15 and the rack 14 continue to mesh, fixing the direction; rotating the rotating block 12 drives the worm 11 to rotate, and the worm 11 drives the worm wheel 13 to rotate, and the worm wheel 13 drives the support shaft 24 and the connecting plate 4 to rotate, thereby driving the fixed plate 5, the driving wheel 7, the driven wheel 8 and the sanding belt 9 to rotate around the support shaft 24 as a whole, thereby adjusting the angle of the sanding belt 9;

[0028] Flexible adjustment of angle and direction to adapt to various complex processing scenarios, ensure more uniform contact between the sanding belt 9 and the workpiece surface, reduce uneven grinding, help improve the surface quality and dimensional accuracy of the workpiece, and meet the requirements of precision processing;

[0029] Before performing the grinding operation, the rotating end block 20 drives the threaded rod 19 to move, and the threaded rod 19 drives the connecting block 21 and the driven wheel 8 to move, and the tension of the sanding belt 9 is adjusted to ensure that the sanding belt 9 can run at a stable speed. The inner surface of the sanding belt 9 contacts the outer surfaces of the driving wheel 7 and the driven wheel 8, and power is transmitted through friction. During operation, the sanding belt 9 is driven by the driving wheel 7 and circulates around the driving wheel 7 and the driven wheel 8 to grind the workpiece.

[0030] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. The grinding mechanism of the belt grinder is characterized by: The invention comprises a mounting plate (1), wherein a support column (2) is rotatably provided on the mounting plate (1) perpendicular to the outer wall of the mounting plate (1), a support plate (3) is fixed to one end of the support column (2) away from the mounting plate (1), a support shaft (24) is rotatably provided on the support plate (3) and a connecting plate (4) is fixed on the support shaft (24), a fixing plate (5) is fixed to one end of the connecting plate (4) away from the support plate (3), the supporting plate (3) and the connecting plate (4) are perpendicular to each other, a motor (6) is fixed on the top of the fixing plate (5), a driving wheel (7) is fixedly connected to the output end of the motor (6), a driven wheel (8) is further provided on the fixing plate (5), a sanding belt (9) is provided on the driving wheel (7) and the driven wheel (8), and the inner surface of the sanding belt (9) contacts the outer surface of the driving wheel (7) and the driven wheel (8); A support frame (10) is fixed on the outer side walls of both sides of the support plate (3); a worm (11) is rotatably provided on the support frame (10) and is perpendicular to the direction of the support plate (3); a rotating block (12) is fixed to one end of the worm (11); a worm wheel (13) is fixedly sleeved on one end of the support shaft (24); and the worm wheel (13) and the worm (11) are meshed.

2. The grinding mechanism of the belt grinder according to claim 1, characterized in that: Racks (14) are evenly provided on the outer wall of the support column (2), and a limiting rack plate (15) is provided on the mounting plate (1) and is slidably provided through the side wall of the mounting plate (1). The limiting rack plate (15) and the rack (14) are meshed. End plates (16) are fixed on the top walls at both ends of the limiting rack plate (15), and a connecting column (18) is fixed on the end plate (16) perpendicular to the mounting plate (1). The connecting column (18) penetrates the mounting plate (1) and slides relatively. A spring (17) is provided on the outer sleeve of the connecting column (18), and one end of the spring (17) is fixed on the outer wall of the end plate (16), and the other end of the spring (17) is fixed on the outer wall of the mounting plate (1).

3. The grinding mechanism of the belt grinder according to claim 2, characterized in that: The support column (2) is cylindrical, and the longitudinal section of the position-limiting rack plate (15) is arc-shaped and coaxial with the support column (2).

4. The grinding mechanism of the belt grinder according to claim 3, characterized in that: The length of the rack (14) is smaller than the length of the support column (2).

5. The grinding mechanism of the belt grinder according to claim 1, characterized in that: A connecting block (21) is fixed to one end of the driven wheel (8), a limiting groove (23) is provided on the fixing plate (5), an external connecting plate (22) is fixed in the limiting groove (23), one end of the external connecting plate (22) extends outside the limiting groove (23) and is parallel to the connecting block (21), a threaded rod (19) is rotatably provided on the external connecting plate (22), the threaded rod (19) and the connecting block (21) are threadedly connected, and an end block (20) is fixed to one end of the threaded rod (19).

6. The grinding mechanism of the belt grinder according to claim 5, characterized in that: The connecting block (21) is a rectangular block, and the outer side wall of the connecting block (21) is in close contact with the limiting groove (23) and the outer side wall of the fixing plate (5).

7. The grinding mechanism of the belt grinder according to claim 5, characterized in that: The vertical width of the limiting groove (23) is smaller than the vertical width of the connecting block (21), and smaller than the diameter of the driven wheel (8).

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