Low-noise magnetic type tool sharpener with good stability
By introducing a first forward and reverse motor and a rotating rod into the sharpener, the fixing block and magnetic suction cup flip adjustment is driven, and the rapid rotation and height adjustment of the grinding disc is achieved in combination with the positioning frame and the driving motor, the problem that the existing magnetic suction grinder cannot effectively adjust the use angle of the magnetic suction cup is solved, and the use effect and practicality of the sharpener are improved.
Patent Information
- Application Number
- CN202421802995.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The existing magnetic sharpener cannot effectively adjust the angle of the magnetic suction cup, resulting in limited use range of the sharpener and reduced practicality.
By introducing a first forward and reverse motor and a rotating rod into the sharpener, the fixing block and magnetic suction cup are driven for flip adjustment, and combined with the positioning frame and the drive motor, the rapid rotation and height adjustment of the polishing disc are achieved.
It realizes flexible adjustment of the angle of the magnetic suction cup, improves the effectiveness and scope of the sharpener, and enhances the practicality of the sharpener.
Smart Images

Figure CN222857489U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of knife sharpeners, in particular to a low-noise magnetic knife sharpener with good stability. Background Art
[0002] A blade is a cutting tool. After the blade has been used for a period of time, due to long-term wear, the sharpness of the blade will decrease, affecting the cutting effect. Therefore, after the blade has been used for a period of time, the blade needs to be polished to increase its sharpness so that it can cut better.
[0003] The existing patent CN217668287U discloses a low-noise magnetic knife sharpener with good stability, which relates to the technical field of mechanical equipment. The utility model includes a frame, and an L-shaped plate is symmetrically connected to the upper surface of the frame. A moving assembly is arranged in the middle of the outer surface of the L-shaped plate, and the moving assembly includes a first motor and a first screw. The inner surface of the first base connected to the outer surface of the first motor is connected to the outer surface of the L-shaped plate, and the two ends of the circumferential surface of the first screw connected to the inner surface of the first motor are respectively rotatably connected to the L-shaped plate, and the upper surface of the first T-shaped seat connected to the upper part of the circumferential surface of the first ball sleeve connected to the circumferential surface of the first screw is connected to a water tray, and an adjustment assembly is arranged in the middle of the upper rear side of the frame. The utility model simplifies the structure of the moving assembly and reduces the size by arranging the moving assembly and the adjustment assembly.
[0004] Based on the search of the above patents and in combination with the knife sharpeners in the prior art, it is found that when the above knife sharpener is in use, the grinding wheel is driven to rotate by the motor body, and the grinding wheel is adjusted in conjunction with the second motor and the second screw. Under the action of the first motor and the first screw, the magnetic suction cup on the water tray is moved to achieve grinding. However, in actual use, the support plate fixes the use angle of the grinding wheel, and the magnetic suction cup is parallel and fixed to the water tray, and the grinding angle of the blade cannot be effectively adjusted according to the grinding requirements, which limits the use range of the knife sharpener and reduces its practicality. Utility Model Content
[0005] The utility model aims to provide a low-noise magnetic knife sharpener with good stability. The fixed block on the rotating rod can be rotated by the rotation of the first forward and reverse motor, so as to adjust the use angle of the magnetic suction cup. The positioning frame slides and rises on one side of the positioning block in cooperation with the positioning frame to adjust the use height of the grinding disc. The grinding disc is driven by the driving motor to grind the blade with the grinding disc, so that the blade can be quickly grinded. The use angle of the magnetic suction cup can be adjusted according to the grinding needs, and it can be flexibly adjusted to improve the use effect of the knife sharpener.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a low-noise magnetic knife sharpener with good stability, comprising a workbench, the upper end surface of the workbench is fixedly connected to a water tray, one side of the water tray is fixedly connected to a fixing plate, the fixing plate is fixedly connected to the workbench, one side of the water tray is fixedly connected to a first forward and reverse motor, an output end of the first forward and reverse motor is connected to a rotating rod, the rotating rod is fixedly connected to the water tray, a fixing block is fixedly connected to an outer wall of the rotating rod, an upper end surface of the fixing block is fixedly connected to a magnetic suction cup, a movable plate is slidably connected to the upper end surface of the fixed plate, a positioning block is fixedly connected to the upper end surface of the movable plate, a positioning block is slidably connected to a positioning frame on one side of the positioning block, and a driving motor is fixedly connected to a lower end surface of the positioning frame, the output end of the driving motor is connected to a rotating shaft, and an end of the rotating shaft away from the driving motor is fixedly connected to a grinding disc.
[0007] The beneficial effects of the utility model are as follows: through the action of the first forward and reverse motor, the rotating rod is turned over with the fixed block, so as to control the use angle of the magnetic suction cup, and the positioning block and the positioning frame are moved with the reciprocating movement of the moving plate on the fixed plate, and the driving motor is driven by the rotating shaft to rotate, so that the grinding disc is rotated quickly, which is convenient for the rapid grinding of the blade during the reciprocating movement;
[0008] In order to adjust the use angle of the magnetic chuck;
[0009] As a further improvement of the above technical solution: a lifting groove is provided on the side of the positioning block that contacts the positioning frame, and a second forward and reverse motor is fixedly connected to the upper end surface of the positioning block, and a first screw rod is connected to the output end of the second forward and reverse motor, and the first screw rod is rotatably connected to the positioning block, and a lifting block is screwed on the outer wall of the first screw rod, and the lifting block is fixedly connected to the positioning frame.
[0010] The beneficial effects of this improvement are: through the action of the second forward and reverse motor, the first screw rod is screwed with the lifting block to control the lifting of the positioning frame. Through the lifting of the positioning frame, the grinding disc under the driving motor is flexibly and quickly lifted and lowered, and the grinding disc can be flexibly adjusted and controlled as needed;
[0011] In order to achieve flexible adjustment of the use coverage of the grinding disc;
[0012] As a further improvement of the above technical solution: a movable groove is opened on the upper end surface of the fixed plate, a movable rod is slidably connected in the movable groove, the movable rod is fixedly connected to the movable plate, a positioning plate is fixedly connected to one side of the fixed plate, a third forward and reverse motor is fixedly connected to the upper end surface of the positioning plate, a second screw rod is connected to the output end of the third forward and reverse motor, the second screw rod is rotatably connected to the fixed plate and is threadedly connected to the movable rod.
[0013] The beneficial effect of this improvement is that by using the third forward and reverse motor, the second spiral rod can be screwed with the moving rod, and the moving plate can be moved quickly with the movement of the moving rod, so that the grinding disc can reciprocate to grind the blade;
[0014] In order to achieve reciprocating drive of the moving rod and the moving plate;
[0015] As a further improvement of the above technical solution: two symmetrical sliding grooves are provided on the upper end surface of the fixed plate, the two sliding grooves are located on both sides of the movable groove, a slider is slidably connected in the sliding groove, and the slider is fixedly connected to the movable plate.
[0016] The beneficial effects of this improvement are: by using the slide groove and the slider, the movable plate can be limited to ensure that the movable plate is sufficiently stable during the movement and will not deviate or shake;
[0017] In order to limit the position of the movable plate and ensure the stability of the sliding of the movable plate on the fixed plate;
[0018] As a further improvement of the above technical solution: a water tank is provided under the workbench, a water pump is fixedly connected to the upper end surface of the water tank, one end of the water pump is fixedly connected to a first delivery pipe, the first delivery pipe is communicated with the water tank, the end of the water pump away from the first delivery pipe is fixedly connected to a second delivery pipe, the end of the second delivery pipe away from the water pump is fixedly connected to a delivery hose, and the end of the delivery hose away from the second delivery pipe is fixedly connected to a water spray rod.
[0019] The beneficial effect of this improvement is that: under the action of the water pump, the water source in the water tank is transported to the delivery hose through the first delivery pipe and the second delivery pipe, and is transported by the delivery hose and sprayed out through the water spray rod to cool the blade, thereby preventing the temperature from being too high due to long-term grinding;
[0020] In order to achieve the cooling treatment of the blade;
[0021] As a further improvement of the above technical solution: the upper end surface of the movable plate is fixedly connected with a stabilizing frame, the stabilizing frame is fixedly connected to the water spraying rod, and the lower single surface of the workbench is fixedly connected with a supporting frame, and the supporting frame is fixedly connected to the water tank.
[0022] The beneficial effects of this improvement are: by using the stabilizing frame, the water spraying rod can be supported and fixed to ensure the stability of the water spraying rod during use, and the supporting frame can support the workbench and the water tank;
[0023] In order to support and stabilize the water spraying rod, workbench and water tank;
[0024] As a further improvement of the above technical solution: the upper end surface of the water tank is fixedly connected with a return pipe, the return pipe is communicated with the water tray, and the upper end surface of the water tank is fixedly connected with a water inlet pipe.
[0025] The beneficial effects of this improvement are: through the use of the return pipe, the water source generated in the water tray can be recycled into the water tank, and the water source can be recycled. The water inlet pipe can add water to the water tank to ensure that the water source in the water tank is sufficient;
[0026] In order to recycle water. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 An isometric structural schematic diagram provided for the utility model;
[0028] Figure 2 A front view provided for the utility model;
[0029] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;
[0030] Figure 4 The utility model provides Figure 3 The enlarged view of point A in the middle;
[0031] Figure 5 The utility model provides Figure 2 Three-dimensional cross-section view at the middle BB.
[0032] In the figure, 1, workbench; 11, water tray; 12, fixed plate; 13, first forward and reverse motor; 14, rotating rod; 15, fixed block; 16, magnetic suction cup; 17, moving plate; 18, positioning block; 19, positioning frame; 20, driving motor; 21, rotating shaft; 22, grinding disc; 31, lifting slot; 32, second forward and reverse motor; 33, first spiral rod; 34, lifting block; 41, moving slot; 42, moving rod; 43, positioning plate; 44, third forward and reverse motor; 45, second spiral rod; 51, slide slot; 52, slider; 61, water tank; 62, water pump; 63, first delivery pipe; 64, second delivery pipe; 65, delivery hose; 66, water spraying rod; 71, stabilizing frame; 72, supporting frame; 81, return pipe; 82, water inlet pipe. DETAILED DESCRIPTION
[0033] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.
[0034] like Figures 1 to 5As shown, a low-noise magnetic knife sharpener with good stability provided by an embodiment of the utility model comprises a workbench 1, a water tray 11 is fixedly connected to the upper end surface of the workbench 1, the water tray 11 can receive cooling water, a fixed plate 12 is fixedly connected to one side of the water tray 11, the fixed plate 12 is fixedly connected to the workbench 1, a first forward and reverse motor 13 is fixedly connected to one side of the water tray 11, a rotating rod 14 is connected to the output end of the first forward and reverse motor 13, the rotating rod 14 is fixedly connected to the water tray 11, a fixed block 15 is fixedly connected to the outer wall of the rotating rod 14, a magnetic suction cup 16 is fixedly connected to the upper end surface of the fixed block 15, under the action of the first forward and reverse motor 13, the rotating rod 14 brings the magnetic suction cup 16 on the fixed block 15 to flip and adjust, so as to control the use angle of the magnetic suction cup 16 The upper end surface of the fixed plate 12 is slidably connected to a movable plate 17, and the upper end surface of the movable plate 17 is fixedly connected to a positioning block 18. A positioning frame 19 is slidably connected to one side of the positioning block 18, and a driving motor 20 is fixedly connected to the lower end surface of the positioning frame 19. The output end of the driving motor 20 is connected to a rotating shaft 21, and the end of the rotating shaft 21 away from the driving motor 20 is fixedly connected to a grinding disc 22. The rotation of the driving motor 20 can cause the rotating grinding disc 22 to rotate quickly, which is convenient for grinding the blade. A lifting groove 31 is provided on the side where the positioning block 18 contacts the positioning frame 19, and a second forward and reverse motor 32 is fixedly connected to the upper end surface of the positioning block 18. The output end of the second forward and reverse motor 32 is connected to a first screw rod 33, and the first screw rod 33 is rotatably connected to the positioning block 18. A lifting block 34 is screwed on the outer wall of the first screw rod 33, and the lifting block 34 is fixedly connected to the positioning frame 19. The rotation of the second forward and reverse motor 32 can make the first screw rod 33 and the lifting block 34 be screwed together. Through the lifting and lowering of the lifting block 34, the grinding disc 22 is flexibly lifted and lowered. A moving groove 41 is provided on the upper end surface of the fixed plate 12, and a moving rod 42 is slidably connected in the moving groove 41. The moving rod 42 is fixedly connected to the moving plate 17. A positioning plate 43 is fixedly connected to one side of the fixed plate 12, and a third forward and reverse motor 44 is fixedly connected to the upper end surface of the positioning plate 43. The output end of the third forward and reverse motor 44 is connected to the second screw rod 45. The second screw rod 45 is rotatably connected to the fixed plate 12 and screwed to the moving rod 42. The rotation of the third forward and reverse motor 44 The second screw rod 45 can be screwed with the moving rod 42, and the moving plate 17 can be moved back and forth by the movement of the moving rod 42, so as to control the reciprocating movement of the grinding disc 22 and perform reciprocating grinding on the blade. The upper end surface of the fixed plate 12 is provided with two symmetrical slide grooves 51, and the two slide grooves 51 are located on both sides of the moving groove 41. A slider 52 is slidably connected in the slide groove 51, and the slider 52 is fixedly connected to the moving plate 17. The use of the two slide grooves 51 and the two sliders 52 can limit the moving plate 17 to ensure that the moving plate 17 slides more stably on the fixed plate 12. A water tank 61 is provided under the workbench 1, and a water pump 62 is fixedly connected to the upper end surface of the water tank 61. A first delivery pipe 63 is fixedly connected to one end of the water pump 62.The first delivery pipe 63 is connected to the water tank 61, and the end of the water pump 62 away from the first delivery pipe 63 is fixedly connected to the second delivery pipe 64, and the end of the second delivery pipe 64 away from the water pump 62 is fixedly connected to the delivery hose 65, and the end of the delivery hose 65 away from the second delivery pipe 64 is fixedly connected to the water spraying rod 66. Under the action of the water pump 62, the water source in the water tank 61 is transported to the delivery hose 65 through the first delivery pipe 63 and the second delivery pipe 64, and then transported to the water spraying rod 66 through the delivery hose 65, and sprayed out through the water spraying rod 66 to achieve cooling of the blade. The upper end surface of the water tank 61 is fixedly connected to the return pipe 8 1. The return pipe 81 is connected to the water tray 11. The upper end surface of the water tank 61 is fixedly connected with a water inlet pipe 82. The return pipe 81 can recycle the water source in the water tray 11 into the water tank 61. The water inlet pipe 82 can add water to the water tank 61 to ensure that the water source in the water tank 61 is sufficient. The upper end surface of the movable plate 17 is fixedly connected with a stabilizing frame 71. The stabilizing frame 71 can support and fix the water spraying rod 66. The stabilizing frame 71 is fixedly connected to the water spraying rod 66. The lower single side of the workbench 1 is fixedly connected with a supporting frame 72. The supporting frame 72 is fixedly connected to the water tank 61. The supporting frame 72 can fix the workbench 1 and the water tank 61.
[0035] The working principle and use process of the utility model are as follows: when in use, first, the blade to be polished is placed on the magnetic suction cup 16 and fixed by the magnetic suction cup 16, and then, under the clockwise rotation of the first forward and reverse motor 13, the side of the magnetic suction cup 16 close to the fixed plate 12 is tilted, and the use angle of the magnetic suction cup 16 is adjusted, and then, under the action of the second forward and reverse motor 32, the first screw rod 33 and the lifting block 34 are screwed together, so that the lifting block 34 descends with the positioning frame 19, so that the grinding disc 22 contacts the blade, and through the action of the driving motor 20, the rotating shaft 21 drives the grinding The disc 22 rotates rapidly to grind the blade. During the grinding process, the third forward and reverse motor 44 drives the second spiral rod 45 to rotate forward and reverse, so that the moving rod 42 drives the moving plate 17 to move back and forth on the fixed plate 12, and controls the grinding disc 22 to perform reciprocating grinding. During grinding, in conjunction with the use of the water pump 62, the water source in the water tank 61 is transported to the water spray rod 66, and is sprayed out through the water spray rod 66 to cool the blade. The used water source is recycled into the water tank 61 through the return pipe 81, thereby realizing the use process of the entire knife sharpener.
[0036] The contents not described in detail in this specification belong to the prior art known to professionals in this field.
[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A low-noise magnetic knife sharpener with good stability, comprising a workbench (1), characterized in that: The upper end surface of the workbench (1) is fixedly connected to a water tray (11), one side of the water tray (11) is fixedly connected to a fixing plate (12), the fixing plate (12) is fixedly connected to the workbench (1), one side of the water tray (11) is fixedly connected to a first forward and reverse motor (13), and the output end of the first forward and reverse motor (13) is connected to a rotating rod (14); The rotating rod (14) is fixedly connected to the water tray (11); a fixed block (15) is fixedly connected to the outer wall of the rotating rod (14); a magnetic suction cup (16) is fixedly connected to the upper end surface of the fixed block (15); a movable plate (17) is slidably connected to the upper end surface of the fixed plate (12); a positioning block (18) is fixedly connected to the upper end surface of the movable plate (17); a positioning frame (19) is slidably connected to one side of the positioning block (18); a driving motor (20) is fixedly connected to the lower end surface of the positioning frame (19); a rotating shaft (21) is connected to the output end of the driving motor (20); and a grinding disc (22) is fixedly connected to the end of the rotating shaft (21) away from the driving motor (20).
2. A low-noise magnetic knife sharpener with good stability according to claim 1, characterized in that: A lifting groove (31) is provided on the side of the positioning block (18) contacting the positioning frame (19); a second forward and reverse motor (32) is fixedly connected to the upper end surface of the positioning block (18); a first screw rod (33) is connected to the output end of the second forward and reverse motor (32); the first screw rod (33) is rotatably connected to the positioning block (18); a lifting block (34) is screwed on the outer wall of the first screw rod (33); and the lifting block (34) is fixedly connected to the positioning frame (19).
3. A low-noise magnetic knife sharpener with good stability according to claim 1, characterized in that: The upper end surface of the fixed plate (12) is provided with a moving groove (41), a moving rod (42) is slidably connected in the moving groove (41), the moving rod (42) is fixedly connected to the moving plate (17), a positioning plate (43) is fixedly connected to one side of the fixed plate (12), a third forward and reverse motor (44) is fixedly connected to the upper end surface of the positioning plate (43), the output end of the third forward and reverse motor (44) is connected to a second screw rod (45), the second screw rod (45) is rotatably connected to the fixed plate (12) and is screwed to the moving rod (42).
4. A low-noise magnetic knife sharpener with good stability according to claim 3, characterized in that: The upper end surface of the fixed plate (12) is provided with two symmetrical sliding grooves (51), the two sliding grooves (51) are located on both sides of the movable groove (41), a sliding block (52) is slidably connected in the sliding groove (51), and the sliding block (52) is fixedly connected to the movable plate (17).
5. A low-noise magnetic knife sharpener with good stability according to claim 1, characterized in that: A water tank (61) is provided below the workbench (1), and a water pump (62) is fixedly connected to the upper end surface of the water tank (61), one end of the water pump (62) is fixedly connected to a first delivery pipe (63), the first delivery pipe (63) is communicated with the water tank (61), one end of the water pump (62) away from the first delivery pipe (63) is fixedly connected to a second delivery pipe (64), one end of the second delivery pipe (64) away from the water pump (62) is fixedly connected to a delivery hose (65), and one end of the delivery hose (65) away from the second delivery pipe (64) is fixedly connected to a water spray rod (66).
6. A low-noise magnetic knife sharpener with good stability according to claim 5, characterized in that: The upper end surface of the movable plate (17) is fixedly connected to a stabilizing frame (71), and the stabilizing frame (71) is fixedly connected to the water spraying rod (66). The lower single surface of the workbench (1) is fixedly connected to a supporting frame (72), and the supporting frame (72) is fixedly connected to the water tank (61).
7. A low-noise magnetic knife sharpener with good stability according to claim 5, characterized in that: The upper end surface of the water tank (61) is fixedly connected to a water return pipe (81), the water return pipe (81) is in communication with the water tray (11), and the upper end surface of the water tank (61) is fixedly connected to a water inlet pipe (82).