Automatic knife sharpening frame

Abstract

The utility model discloses an automatic knife sharpening frame, which relates to the technical field of kitchen knife grinding and comprises a base plate, a guide frame fixed at one end of the upper end of the base plate, a top plate fixed at the upper end of the guide frame, guide rails symmetrically fixed on the inner side of the top plate, a sliding seat slidably connected between the two guide rails, and a double-shaft motor fixed at the lower end of the sliding seat. An eccentric shaft and a first bevel gear are fixed to the two output ends of the double-shaft motor correspondingly, a first extending base is fixed to the end, away from the guide frame, of the sliding base, a second extending base is fixed to one side of the first extending base, and a first fulcrum shaft and a second fulcrum shaft are rotationally connected into the first extending base and the second extending base correspondingly; grinding wheel assemblies are symmetrically arranged on the outer sides of the upper ends of the first fulcrum shaft and the second fulcrum shaft. According to the automatic knife sharpening frame, the multiple grinding wheel assemblies are driven to rotate synchronously to be matched with the sliding base to slide in a reciprocating mode, efficient and automatic knife sharpening of kitchen knives is achieved, the uniformity of the grinding degree of knife edge faces is guaranteed, manpower is saved, labor intensity is reduced, and meanwhile potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen knife grinding, in particular to an automatic knife sharpener. Background Art

[0002] Kitchen knives are necessities in people's daily lives. During the long-term use of kitchen knives, it is often necessary to sharpen the knives to improve sharpness.

[0003] At present, when grinding the blade of a kitchen knife with a grinding wheel or a sanding disc, it is usually done manually, which not only has a large labor intensity and low grinding efficiency, but also makes it difficult to unify the grinding degree of the blade surface due to manual control. Moreover, during the grinding process, the hand is relatively close to the kitchen knife, which has certain safety hazards. Therefore, this application proposes an automatic knife sharpener. Summary of the Utility Model

[0004] Based on this, in view of the above technical problems, it is necessary to provide an automatic knife sharpener. Through the overall structural cooperation design, it can drive multiple grinding wheel assemblies to rotate synchronously and cooperate with the reciprocating sliding of the sliding seat to achieve efficient automatic grinding of kitchen knives, and to ensure the unity of the grinding degree of the blade surface to the greatest extent, effectively saving manpower and reducing labor intensity while also reducing safety hazards.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] An automatic knife sharpener, which is applied to kitchen knife grinding;

[0007] It includes a base plate. One end of the upper end of the base plate is fixed with a guide frame, the upper end of the guide frame is fixed with a top plate, guide rails are symmetrically fixed inside the top plate, a sliding seat is slidably connected between the two guide rails, a double-shaft motor is fixed at the lower end of the sliding seat, and two output ends of the double-shaft motor are respectively fixed with an eccentric shaft and a first bevel gear. The end of the eccentric shaft away from the double-shaft motor is located inside the guide frame and is movably connected to the guide frame. One end of the sliding seat away from the guide frame is fixed with a first extension seat, a second extension seat is fixed on one side of the first extension seat, a first support shaft and a second support shaft are respectively rotatably connected inside the first extension seat and the second extension seat, grinding wheel assemblies are symmetrically arranged on the outer sides of the upper ends of the first support shaft and the second support shaft, a linkage assembly is arranged between the first support shaft and the second support shaft, a second bevel gear is fixed at the bottom end of the first support shaft, and the second bevel gear is meshed with the first bevel gear.

[0008] As a preferred embodiment of the automatic knife sharpener provided by the present utility model, the linkage assembly includes a first chain gear and a second chain gear. A first chain gear is fixed on the outer side of the first support shaft and at the upper end of the first extension seat. A second chain gear is fixed on the outer side of the second support shaft and at the upper end of the second extension seat. A chain is drivingly connected between the outer sides of the first chain gear and the second chain gear.

[0009] As a preferred embodiment of the automatic knife sharpener provided by the present utility model, a controller and a time relay are respectively arranged inside the sliding seat. The dual-axis motor, the controller and the time relay are electrically connected.

[0010] As a preferred embodiment of the automatic knife sharpener provided by the present utility model, each grinding wheel assembly includes a sleeve seat, a pressing disc and a grinding wheel piece. Sleeve seats are symmetrically fixed on the outer sides of the upper ends of the first support shaft and the second support shaft. A pressing disc and a grinding wheel piece are fixed on the outer side of each sleeve seat.

[0011] As a preferred embodiment of the automatic knife sharpener provided by the present utility model, a plurality of first springs are fixedly arranged in an array between each pressing disc and the grinding wheel piece, and a gap is provided between every two grinding wheel pieces.

[0012] As a preferred embodiment of the automatic knife sharpener provided by the present utility model, a vertical frame is fixed at the other end of the upper end of the base plate. A pressing frame is slidably connected to the upper end of the vertical frame. A pull rod is slidably connected inside the vertical frame and at the lower end of the pressing frame. One end of the pull rod penetrates through the pressing frame and is slidably connected to the pressing frame. A second spring is fixed between the outer side of the other end of the pull rod and the vertical frame. An anti-slip soft pad is fixed inside the upper end of the pressing frame.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] The automatic knife sharpener provided by the present utility model, through the overall structural cooperation design, enables multiple grinding wheel assemblies to rotate synchronously and cooperate with the reciprocating sliding of the sliding seat, realizing efficient automatic knife sharpening for kitchen knives, and ensuring the unity of the grinding degree of the knife edge surface to the greatest extent, effectively saving manpower, reducing labor intensity and reducing potential safety hazards at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the solutions in the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1Schematic diagram of the overall structure of the automatic knife sharpener provided by the present utility model;

[0017] Figure 2 Bottom view of the overall structure after the sliding seat of the automatic knife sharpener provided by the present utility model slides;

[0018] Figure 3 Schematic diagram of the structure between the base plate and the top plate of the automatic knife sharpener provided by the present utility model;

[0019] Figure 4 Schematic diagram of the structure between the first support shaft and the second support shaft of the automatic knife sharpener provided by the present utility model;

[0020] Figure 5 Schematic diagram of the structure of the grinding wheel assembly of the automatic knife sharpener provided by the present utility model;

[0021] Figure 6 Cross-sectional view of the structure of the vertical frame of the automatic knife sharpener provided by the present utility model.

[0022] Explanation of the marks in the figure is as follows:

[0023] 1. Base plate; 2. Guide frame; 3. Top plate; 4. Guide rail; 5. Sliding seat; 6. Biaxial motor; 7. Eccentric shaft; 8. First bevel gear; 9. Controller; 10. Time relay; 11. First extension seat; 12. Second extension seat; 13. First support shaft; 14. Second support shaft; 15. Second bevel gear; 16. First chain gear; 17. Second chain gear; 18. Chain; 19. Grinding wheel assembly; 20. Sleeve seat; 21. Pressure plate; 22. Grinding wheel; 23. First spring; 24. Vertical frame; 25. Pressing frame; 26. Pull rod; 27. Second spring; 28. Anti-slip soft pad. Detailed implementation manners

[0024] As described in the background art, currently, when grinding the blade of a kitchen knife using a grinding wheel or a sanding disc, it is usually done manually. This not only has a high labor intensity and low grinding efficiency, but also makes it difficult to unify the grinding degree of the blade surface due to manual control. Moreover, during the grinding process, the hand is relatively close to the kitchen knife, which poses a certain safety hazard.

[0025] To solve this technical problem, the present utility model provides an automatic knife sharpener, which is applied to the grinding of kitchen knives;

[0026] It includes a substrate 1. One end at the upper end of the substrate 1 is fixedly provided with a guide frame 2. The upper end of the guide frame 2 is fixedly provided with a top plate 3. Guide rails 4 are symmetrically and fixedly arranged inside the top plate 3. A sliding seat 5 is slidably connected between the two guide rails 4. A dual-axis motor 6 is fixedly provided at the lower end of the sliding seat 5. An eccentric shaft 7 and a first bevel gear 8 are respectively fixedly provided at the two output ends of the dual-axis motor 6. One end of the eccentric shaft 7 away from the dual-axis motor 6 is located inside the guide frame 2 and is movably connected to the guide frame 2. One end of the sliding seat 5 away from the guide frame 2 is fixedly provided with a first extension seat 11. A second extension seat 12 is fixedly provided on one side of the first extension seat 11. A first support shaft 13 and a second support shaft 14 are respectively rotatably connected inside the first extension seat 11 and the second extension seat 12. Grinding wheel assemblies 19 are symmetrically arranged on the outer sides of the upper ends of the first support shaft 13 and the second support shaft 14. A linkage assembly is arranged between the first support shaft 13 and the second support shaft 14. A second bevel gear 15 is fixedly provided at the bottom end of the first support shaft 13. The second bevel gear 15 is meshed and connected with the first bevel gear 8.

[0027] The automatic knife sharpener provided by the present utility model, through the overall structural cooperation design, enables multiple grinding wheel assemblies 19 to rotate synchronously and cooperate with the reciprocating sliding of the sliding seat 5, realizes the efficient automatic knife sharpening of the kitchen knife, and maximally ensures the unity of the grinding degree of the knife edge surface, effectively saves manpower, reduces the labor intensity, and also reduces the potential safety hazard.

[0028] It should be noted that, without conflict, the embodiments and the features and technical solutions in the embodiments in the present utility model can be combined with each other.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0030] Embodiment 1:

[0031] Please refer to Figure 1-6 ., an automatic knife sharpener, includes a substrate 1. One end at the upper end of the substrate 1 is fixedly provided with a guide frame 2. The upper end of the guide frame 2 is fixedly provided with a top plate 3. Guide rails 4 are symmetrically and fixedly arranged inside the top plate 3. A sliding seat 5 is slidably connected between the two guide rails 4. In order to facilitate driving the sliding seat 5 to reciprocate and slide under the guidance of the guide rails 4, a dual-axis motor 6 is fixedly provided at the lower end of the sliding seat 5. An eccentric shaft 7 and a first bevel gear 8 are respectively fixedly provided at the two output ends of the dual-axis motor 6. One end of the eccentric shaft 7 away from the dual-axis motor 6 is located inside the guide frame 2 and is movably connected to the guide frame 2, so that when the eccentric shaft 7 rotates, it drives the reciprocating sliding of the sliding seat 5;

[0032] One end of the sliding seat 5 away from the guide frame 2 is fixed with a first extension seat 11. One side of the first extension seat 11 is fixed with a second extension seat 12. A first support shaft 13 and a second support shaft 14 are respectively rotatably connected inside the first extension seat 11 and the second extension seat 12. Grinding wheel assemblies 19 are symmetrically arranged on the outer sides of the upper ends of the first support shaft 13 and the second support shaft 14. When the four grinding wheel assemblies 19 rotate synchronously, it is convenient to grind the blade surface of the kitchen knife.

[0033] To facilitate driving the first support shaft 13 to rotate, a second bevel gear 15 is fixed to the bottom end of the first support shaft 13. The second bevel gear 15 is meshed and connected with the first bevel gear 8. In order to enable the first support shaft 13 and the second support shaft 14 to rotate synchronously and realize the synchronous rotation of the four grinding wheel assemblies 19, a linkage assembly is arranged between the first support shaft 13 and the second support shaft 14.

[0034] Specifically, the linkage assembly includes a first chain gear 16 and a second chain gear 17. A first chain gear 16 is fixed to the outer side of the first support shaft 13 and above the first extension seat 11. A second chain gear 17 is fixed to the outer side of the second support shaft 14 and above the second extension seat 12. A chain 18 is drivingly connected to the outer sides between the first chain gear 16 and the second chain gear 17.

[0035] To facilitate remotely controlling the opening and closing of the dual-axis motor 6 and being able to time the running time of the dual-axis motor 6, a controller 9 and a time relay 10 are respectively arranged inside the sliding seat 5. The dual-axis motor 6, the controller 9 and the time relay 10 are electrically connected.

[0036] Specifically, each grinding wheel assembly 19 includes a sleeve seat 20, a pressing disc 21 and a grinding wheel piece 22. Sleeve seats 20 are symmetrically fixed to the outer sides of the upper ends of the first support shaft 13 and the second support shaft 14. A pressing disc 21 and a grinding wheel piece 22 are fixed to the outer side of each sleeve seat 20. And a gap is provided between every two grinding wheel pieces 22, so that it is convenient to place the kitchen knife into the gap for grinding. In order to further compress the gap and enable each grinding wheel piece 22 to closely fit the kitchen knife and improve the grinding effect, a plurality of first springs 23 are fixedly arranged in an array between each pressing disc 21 and the grinding wheel piece 22.

[0037] Embodiment 2:

[0038] The automatic knife sharpener provided in Embodiment 1 is further optimized. Specifically, as Figure 1 and Figure 6 shown, in order to facilitate fixing the kitchen knife and making it unnecessary to hold the kitchen knife manually for grinding, thereby further saving labor, another end of the upper end of the substrate 1 is fixed with a vertical frame 24. A pressing frame 25 is slidably connected to the upper end of the vertical frame 24.

[0039] After the pressing frame 25 slides down to clamp and fix the handle of the kitchen knife, in order to limit and fix the position of the pressing frame 25, a pull rod 26 is slidably connected inside the vertical frame 24 and at the lower end of the pressing frame 25. One end of the pull rod 26 penetrates through the pressing frame 25 and is slidably connected with the pressing frame 25. A second spring 27 is fixed between the outer side of the other end of the pull rod 26 and the vertical frame 24. In order to adapt to the handles of different thicknesses, an anti-slip soft pad 28 is fixed inside the upper end of the pressing frame 25. By using the elastic characteristics of the anti-slip soft pad 28, when the handle is thicker, the anti-slip soft pad 28 is squeezed and compressed and deformed, so that the pull rod 26 can smoothly penetrate through the pressing frame 25;

[0040] The above electrical components are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer for control, and the existing publicly disclosed power connection technology will not be elaborated here;

[0041] The using process of the automatic knife sharpener provided by the utility model is as follows: After placing the handle on the upper end of the vertical frame 24 and inside the pressing frame 25, move the pressing frame 25 downward so that the handle is in close contact with the anti-slip soft pad 28, and after passing the pull rod 26 through the pressing frame 25, the fixing of the kitchen knife is completed, so that the blade surface can be located in the gap and be in close contact with the grinding wheel 22;

[0042] At this time, control the start of the double-shaft motor 6 to drive the eccentric shaft 7 and the first bevel gear 8 to rotate synchronously. Through the movable connection between the eccentric shaft 7 and the guide frame 2, drive the sliding seat 5 to slide reciprocally under the guidance of the guide rail 4, so that the four grinding wheel assemblies 19 can cooperate to slide and cover the entire outer side of the blade surface, ensuring the unity of the grinding degree during grinding. And through the meshing connection between the first bevel gear 8 and the second bevel gear 15, drive the first support shaft 13 to rotate. At the same time, through the transmission connection between the first chain gear 16, the second chain gear 17 and the chain 18, drive the second support shaft 14 to rotate synchronously with the first support shaft 13, so that the four grinding wheel assemblies 19 rotate synchronously, realizing the automatic grinding of the blade surface, and using the elastic characteristics of the first spring 23 to squeeze the grinding wheel 22 to make it close to the blade surface, ensuring the grinding effect.

Claims

1. An automatic knife sharpener, characterized in that, The invention comprises a base plate (1), wherein a guide frame (2) is fixed at one end of the upper end of the base plate (1), a top plate (3) is fixed at the upper end of the guide frame (2), a guide rail (4) is symmetrically fixed on the inner side of the top plate (3), a slide seat (5) is slidably connected between the two guide rails (4), a double-axis motor (6) is fixed at the lower end of the slide seat (5), an eccentric shaft (7) and a first bevel gear (8) are respectively fixed at two output ends of the double-axis motor (6), an end of the eccentric shaft (7) away from the double-axis motor (6) is located on the inner side of the guide frame (2) and is movably connected to the guide frame (2), and an end of the slide seat (5) away from the guide frame (2) is fixed to the inner side of the guide frame (2) and is movably connected to the guide frame (2). A first extension seat (11) is provided, a second extension seat (12) is fixed on one side of the first extension seat (11), a first support shaft (13) and a second support shaft (14) are rotatably connected inside the first extension seat (11) and the second extension seat (12), a grinding wheel assembly (19) is symmetrically arranged on the outer sides of the upper ends of the first support shaft (13) and the second support shaft (14), a linkage assembly is arranged between the first support shaft (13) and the second support shaft (14), a second bevel gear (15) is fixed at the bottom end of the first support shaft (13), and the second bevel gear (15) is meshedly connected with the first bevel gear (8).

2. The automatic knife sharpener according to claim 1, characterized in that, The linkage assembly comprises a first sprocket (16) and a second sprocket (17); the first sprocket (16) is fixed on the outer side of the first support shaft (13) and located at the upper end of the first extension seat (11); the second sprocket (17) is fixed on the outer side of the second support shaft (14) and located at the upper end of the second extension seat (12); and a chain (18) is connected to the outer side of the first sprocket (16) and the second sprocket (17) for transmission.

3. The automatic knife sharpener according to claim 1, wherein A controller (9) and a time relay (10) are respectively arranged on the inner side of the slide seat (5), and the dual-axis motor (6), the controller (9) and the time relay (10) are electrically connected.

4. The automatic knife sharpener according to claim 1, characterized in that, Each of the grinding wheel assemblies (19) comprises a sleeve seat (20), a pressure plate (21) and a grinding wheel (22); sleeve seats (20) are symmetrically fixed to the outer sides of the upper ends of the first support shaft (13) and the second support shaft (14); and a pressure plate (21) and a grinding wheel (22) are fixed to the outer sides of each of the sleeve seats (20).

5. The automatic knife sharpener according to claim 4, characterized in that, A plurality of first springs (23) are fixed in an array between each of the pressure plates (21) and the grinding wheel pieces (22), and a gap is provided between every two of the grinding wheel pieces (22).

6. The automatic knife sharpener according to claim 1, characterized in that, A stand (24) is fixed to the other end of the upper end of the base plate (1), and a pressure frame (25) is slidably connected to the upper end of the stand (24). A pull rod (26) is slidably connected inside the stand (24) and located at the lower end of the pressure frame (25). One end of the pull rod (26) passes through the pressure frame (25) and is slidably connected to the pressure frame (25). A second spring (27) is fixed between the outer side of the other end of the pull rod (26) and the stand (24), and a non-slip pad (28) is fixed to the inner side of the upper end of the pressure frame (25).

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