Angle grinder with position-adjustable grinding disc
By introducing technologies such as transmission thread rods, power components and telescopic cylinders into the angle grinder, the adjustability of the grinder position is achieved, solving the problem that the angle grinder is difficult to maintain a stable angle when grinding the inclination angle, and improving the grinding angle of the workpiece flatness and overall polishing stability.
Patent Information
- Application Number
- CN202420846450.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-23
AI Technical Summary
It is difficult for existing angle grinders to maintain the same angle for a long time when grinding the inclination angle, resulting in uneven grinding angles of the workpiece.
A grinding angle grinding machine with adjustable grinding disc position is designed, using transmission threaded rods, power components, moving sleeves, arc limit rods, telescopic cylinders and grinding angle motors. The angle of grinding disc is adjusted through chain transmission and cylinder rotation to ensure grinding. stability.
Improves grinding stability and ensures smoothness and accuracy of workpiece grinding angles.
Smart Images
Figure CN222154955U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of angle grinders, in particular to an angle grinder with an adjustable grinding disc position. Background Art
[0002] Angle grinders use high-speed rotating thin-blade grinding discs, rubber grinding wheels, wire wheels, etc. to grind, cut, remove rust, and polish the surfaces of metal components and workpieces. Angle grinders are suitable for cutting, grinding, and brushing metal and stone. Water cannot be used during operation.
[0003] The existing angle grinders are usually used by hand to grind the surface of the workpiece. However, in actual use, when grinding some inclined angles, the angle grinder needs to be tilted. Usually, it is difficult to maintain the same tilt angle for a long time during the tilting process, which makes the grinded workpiece uneven. Therefore, a grinder with an adjustable grinding disc position is proposed to solve the above problem. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] In view of the shortcomings of the prior art, the utility model provides an angle grinder with an adjustable grinding disc position, which has the advantages of being able to adjust the angle of the grinding disc and improving the overall grinding stability of the device. It solves the problem that the existing angle grinders are usually used by manually holding the angle grinder to grind the surface of the workpiece, but in actual use, when grinding some inclined angles, the angle grinder needs to be tilted, and usually during the tilting process, it is difficult to maintain the same tilt angle for a long time, resulting in uneven grinding of the grinded workpiece.
[0006] (II) Technical solution
[0007] The technical solution of the utility model for solving the above technical problems is as follows: an angle grinding machine with adjustable grinding wheel position, comprising an angle grinding box, the inner bottom wall of the angle grinding box is rotatably connected to a transmission threaded rod, the outer side of the transmission threaded rod is fixedly connected to a power assembly, the outer side of the transmission threaded rod is connected to a movable sleeve through threaded transmission, the left end of the movable sleeve is fixedly connected to a movable plate, the left end of the movable plate is rotatably connected to a mounting plate, the top of the mounting plate is fixedly connected to an angle grinding assembly, the left end of the movable plate is fixedly connected to an arc-shaped limiting rod, a limiting hole is provided on the outer side of the mounting plate, the outer side of the arc-shaped limiting rod is rotatably connected to the inner side of the limiting hole, the left end of the movable plate is rotatably connected to a telescopic cylinder, and the outer side of the output shaft of the telescopic cylinder is rotatably connected to the bottom end of the mounting plate.
[0008] The beneficial effects of the utility model are:
[0009] The angle grinder with adjustable grinding disc position has the advantage of being able to adjust the angle of the grinding disc, thereby improving the overall grinding stability of the device.
[0010] On the basis of the above technical solution, the present invention can also be improved as follows.
[0011] Furthermore, there are multiple arc-shaped limit rods, which are distributed in an equidistant linear array at the left end of the movable plate; there are multiple telescopic cylinders, which are distributed in an equidistant linear array at the left end of the movable plate.
[0012] The beneficial effect of adopting the above further solution is that the number of arc-shaped limiting rods is multiple, which can improve the limiting effect on the mounting plate.
[0013] Furthermore, a protection rod is fixedly connected to the right end of the movable sleeve, a protection block is fixedly connected to the other end of the protection rod, and the outer side of the protection rod is slidably connected to the inner side of the angle grinding box.
[0014] The beneficial effect of adopting the above further solution is that the protection rod can limit the position of the movement of the moving sleeve.
[0015] Furthermore, a movable hole is provided at the left end of the angle grinding box, and the outer side of the movable hole is slidably connected to the outer side of the movable sleeve.
[0016] The beneficial effect of adopting the above further solution is that the moving hole can limit the position of the movement of the moving sleeve.
[0017] Furthermore, the power assembly includes a first sprocket fixedly connected to the outer side of the transmission threaded rod, the top of the angle grinding box is fixedly connected to a power motor, the bottom end of the output shaft of the power motor is fixedly connected to a second sprocket, and the outer sides of the first sprocket and the second sprocket are both connected to the chain transmission.
[0018] The beneficial effect of adopting the above further solution is that the power assembly can cause the transmission threaded rod to rotate.
[0019] Furthermore, the angle grinding assembly includes an angle grinding motor fixedly connected to the top of the mounting plate, and a connecting grinding disc is fixedly connected to the outer side of the output shaft of the angle grinding motor.
[0020] The beneficial effect of adopting the above further solution is that the angle grinding assembly can perform an angle grinding operation on the outer side of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of the utility model;
[0022] Figure 2 This is a cross-sectional view of the structure of the utility model;
[0023] Figure 3 This is the connection diagram of the mounting plate and telescopic cylinder of the utility model;
[0024] Figure 4 This is a connection diagram of the transmission threaded rod and the movable sleeve of the utility model.
[0025] In the figure: 1. Angle grinding box; 2. Transmission threaded rod; 3. Power assembly; 31. First sprocket; 32. Power motor; 33. Second sprocket; 34. Chain; 4. Moving sleeve; 5. Moving plate; 6. Mounting plate; 7. Angle grinding assembly; 71. Angle grinding motor; 72. Connecting grinding disc; 8. Arc limit rod; 9. Limit hole; 10. Telescopic cylinder; 11. Protection rod; 12. Protection block. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] In the embodiment, Figure 1-4 A grinding machine with an adjustable grinding disc position is provided. The utility model comprises an angle grinding box 1, the inner bottom wall of the angle grinding box 1 is rotatably connected with a transmission threaded rod 2, the outer side of the transmission threaded rod 2 is fixedly connected with a power assembly 3, the outer side of the transmission threaded rod 2 is connected with a movable sleeve 4 through threaded transmission, the left end of the movable sleeve 4 is fixedly connected with a movable plate 5, the left end of the movable plate 5 is rotatably connected with a mounting plate 6, the top of the mounting plate 6 is fixedly connected with an angle grinding assembly 7, the left end of the movable plate 5 is fixedly connected with an arc-shaped limiting rod 8, a limiting hole 9 is provided on the outer side of the mounting plate 6, the outer side of the arc-shaped limiting rod 8 is rotatably connected to the inner side of the limiting hole 9, the left end of the movable plate 5 is rotatably connected with a telescopic cylinder 10, and the outer side of the output shaft of the telescopic cylinder 10 is rotatably connected to the bottom end of the mounting plate 6.
[0028] Among them, there are multiple arc-shaped limit rods 8, which are distributed in an equidistant linear array at the left end of the moving plate 5, and there are multiple telescopic cylinders 10, which are distributed in an equidistant linear array at the left end of the moving plate 5.
[0029] A plurality of arc-shaped limiting rods 8 can improve the limiting effect on the mounting plate 6, thereby making it less likely for the mounting plate 6 to be displaced during rotation.
[0030] The right end of the movable sleeve 4 is fixedly connected with a protection rod 11 , the other end of the protection rod 11 is fixedly connected with a protection block 12 , and the outer side of the protection rod 11 is slidably connected with the inner side of the angle grinding box 1 .
[0031] The protection rod 11 can limit the movement of the movable sleeve 4 so that the movable sleeve 4 can only move up and down without position deviation.
[0032] A moving hole is provided at the left end of the angle grinding box 1 , and the outer side of the moving hole is slidably connected to the outer side of the moving sleeve 4 .
[0033] The moving hole can limit the position of the moving sleeve 4 .
[0034] Among them, the power component 3 includes a first sprocket 31 fixedly connected to the outer side of the transmission threaded rod 2, the top of the angle grinding box 1 is fixedly connected to the power motor 32, the bottom end of the output shaft of the power motor 32 is fixedly connected to the second sprocket 33, and the outer side of the first sprocket 31 and the outer side of the second sprocket 33 are both connected to the chain 34 for transmission.
[0035] Starting the power motor 32 can cause the second sprocket 33 to rotate, and then the first sprocket 31 will drive the transmission threaded rod 2 to rotate.
[0036] The angle grinding assembly 7 includes an angle grinding motor 71 fixedly connected to the top of the mounting plate 6 , and a connecting grinding disc 72 is fixedly connected to the outer side of the output shaft of the angle grinding motor 71 .
[0037] The angle grinding assembly 7 can perform an angle grinding operation on the outer side of the workpiece.
[0038] Working principle:
[0039] When the height of the connecting grinding disc 72 needs to be adjusted, the power motor 32 is started to rotate the second sprocket 33, and then the first sprocket 31 will drive the transmission threaded rod 2 to rotate, and then the moving sleeve 4 will drive the moving plate 5 to move up and down, and then the mounting plate 6 will drive the angle grinding assembly 7 to move up and down, so that the height of the angle grinding assembly 7 can be adjusted;
[0040] Starting the telescopic cylinder 10 can cause the mounting plate 6 to rotate, thereby driving the angle grinding assembly 7 to rotate, so as to grind workpieces at different angles.
[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An angle grinding machine with adjustable grinding disc position, comprising an angle grinding box (1), Features: The inner bottom wall of the angle grinding box (1) is rotatably connected to a transmission threaded rod (2), the outer side of the transmission threaded rod (2) is fixedly connected to a power assembly (3), the outer side of the transmission threaded rod (2) is connected to a moving sleeve (4) through threaded transmission, the left end of the moving sleeve (4) is fixedly connected to a moving plate (5), the left end of the moving plate (5) is rotatably connected to a mounting plate (6), the top of the mounting plate (6) is fixedly connected to an angle grinding assembly (7), the left end of the moving plate (5) is fixedly connected to an arc-shaped limiting rod (8), the outer side of the mounting plate (6) is provided with a limiting hole (9), the outer side of the arc-shaped limiting rod (8) is rotatably connected to the inner side of the limiting hole (9), the left end of the moving plate (5) is rotatably connected to a telescopic cylinder (10), and the outer side of the output shaft of the telescopic cylinder (10) is rotatably connected to the bottom end of the mounting plate (6).
2. An angle grinder with adjustable grinding disc position according to claim 1, Features: The number of the arc-shaped limiting rods (8) is multiple, and the multiple arc-shaped limiting rods (8) are distributed in an equidistant linear array at the left end of the moving plate (5); the number of the telescopic cylinders (10) is multiple, and the multiple telescopic cylinders (10) are distributed in an equidistant linear array at the left end of the moving plate (5).
3. The angle grinder with adjustable grinding disc position according to claim 1, Features: The right end of the movable sleeve (4) is fixedly connected to a protection rod (11), the other end of the protection rod (11) is fixedly connected to a protection block (12), and the outer side of the protection rod (11) is slidably connected to the inner side of the angle grinding box (1).
4. The angle grinder with adjustable grinding disc position according to claim 1, Features: A moving hole is provided at the left end of the angle grinding box (1), and the outer side of the moving hole is slidably connected to the outer side of the moving sleeve (4).
5. The angle grinder with adjustable grinding disc position according to claim 1, Features: The power assembly (3) comprises a first sprocket (31) fixedly connected to the outer side of the transmission threaded rod (2); the top end of the angle grinding box (1) is fixedly connected to a power motor (32); the bottom end of the output shaft of the power motor (32) is fixedly connected to a second sprocket (33); and the outer sides of the first sprocket (31) and the second sprocket (33) are both transmission-connected to a chain (34).
6. The angle grinder with adjustable grinding disc position according to claim 1, Features: The angle grinding assembly (7) comprises an angle grinding motor (71) fixedly connected to the top of the mounting plate (6), and a connecting grinding disc (72) is fixedly connected to the outer side of the output shaft of the angle grinding motor (71).