Grinding mechanism for a coffee grinder

Abstract

The utility model discloses a kind of bean grinder grinding mechanisms, it is related to bean grinder technical field;And the utility model includes frame body and grinding knife, the frame body is equipped with grinding jar, the lower surface of the grinding jar is fixed with support shell, the inside of the support shell is fixed with driving motor, the inside of the grinding jar is rotatably equipped with rotating block, the output end of the driving motor is fixedly connected with the lower end of rotating block, the rotating block is connected with the dismounting component on grinding knife, for replacing grinding knife, the upper surface of the grinding jar is provided with annular groove, the cover is movably inserted in annular groove, the utility model can be according to the size of the bean class of grinding first, install the grinding knife compatible with it, the fixed block set on the lower surface of grinding knife can be inserted into fixed groove, by rotating the L-shaped block of rotary disc double-end screw outer surface sleeve and inserting into connecting port, grinding knife can be fixed, different grinding knife is conveniently replaced, and the adaptability of equipment is improved.

Description

Technical Field

[0001] This utility model relates to the field of coffee grinding equipment technology, specifically a coffee grinding mechanism. Background Technology

[0002] Legumes refer to all legumes that produce pods. They are diverse, nutritious, and cultivated all over the world. In recent years, legumes have become increasingly popular due to their high nutritional value and good taste.

[0003] Existing grinding equipment often grinds beans into powder using grinding blades. However, because the internal grinding blades are not easy to replace, the gaps between the blades cannot match the size of the beans, reducing the completeness of grinding. Furthermore, after grinding, some beans may not be powdered and remain in small particles, affecting the effect of later use. Utility Model Content

[0004] To address the issues of inconvenient replacement of grinding blades and incomplete filtering of beans, the purpose of this invention is to provide a grinding mechanism for a coffee grinder.

[0005] To solve the above technical problems, the present invention adopts the following technical solution: a grinding mechanism for a coffee grinder, comprising a frame and a grinding blade, a grinding jar is mounted on the frame, a support shell is fixedly provided on the lower surface of the grinding jar, a drive motor is fixedly provided inside the support shell, a rotating block is rotatably provided inside the grinding jar, the output end of the drive motor is fixedly connected to the lower end of the rotating block, a replacement component is connected to the rotating block and the grinding blade for replacing the grinding blade, and an annular groove is formed on the upper surface of the grinding jar, in which a jar lid is movably inserted;

[0006] The replacement assembly includes a fixing block, which is fixedly connected to the lower surface of the grinding blade. A connection port is provided on the side of the fixing block. A fixing groove is provided on the rotating block, and the fixing block is movably inserted into the fixing groove. A concave groove is provided inside the rotating block, and a double-ended lead screw is rotatably mounted on the inner surface of the concave groove. An L-shaped block is threaded onto the outer surface of the double-ended lead screw, and the L-shaped block slides and fits against the inner surface of the concave groove. The end of the L-shaped block is movably inserted into the connection port. A square groove is provided inside the rotating block, and a round rod is rotatably mounted on the inner surface of the square groove. The round rod passes through the rotating block, and a first bevel gear is fixedly mounted on the outer surface of the round rod. A round block is fixedly mounted at one end of the double-ended lead screw, and a second bevel gear is fixedly mounted at the other end of the round block. The first bevel gear meshes with the second bevel gear. A turntable is fixedly mounted at the lower end of the round rod, and a limiting bolt is threadedly inserted into the turntable. The end of the limiting bolt is threaded into the interior of the rotating block.

[0007] The grinding jar is equipped with a powder filter assembly for filtering beans that do not meet specifications.

[0008] Preferably, the filter assembly includes a filter frame that is movably fitted to the inner surface of the grinding tank. A positioning block is fixedly provided on the outer surface of the filter frame. An arc-shaped insertion hole is provided on one side of the positioning block. A positioning groove is provided on the upper surface of the grinding tank. The positioning block is movably fitted to the inner surface of the positioning groove. An arc-shaped groove is provided on the upper surface of the grinding tank. An arc-shaped spring is fixedly provided on the inner surface of the arc-shaped groove. Four arc-shaped springs are provided and symmetrically arranged between the arc-shaped groove and the arc-shaped insertion block. An arc-shaped insertion block is fixedly provided at the other end of the arc-shaped spring. Two pull openings are provided on the upper surface of the arc-shaped insertion block. The two pull openings are symmetrically arranged on the upper surface of the arc-shaped insertion block. The end of the arc-shaped insertion block is movably inserted into the arc-shaped insertion hole.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0010] 1. According to the size of the beans to be ground, the appropriate grinding blade can be installed first. The fixing block set on the lower surface of the grinding blade can be inserted into the fixing groove. By rotating the L-shaped block on the outer surface of the double-headed screw of the turntable and inserting it into the connection port, the grinding blade can be fixed, which makes it convenient to replace different grinding blades and improves the adaptability of the equipment.

[0011] 2. This utility model allows the arc-shaped insert to be moved by pulling the pull opening, so that the positioning block set on the outside of the filter frame can be placed into the positioning groove. After releasing the arc-shaped insert, the arc-shaped spring force can make the arc-shaped insert insert into the arc-shaped insertion hole. When pouring out the bean powder, small bean particles that do not meet the specifications are still in the grinding tank and can be processed again. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the can lid structure of this utility model.

[0015] Figure 3 This is a schematic diagram of the support shell structure of this utility model.

[0016] Figure 4This is a schematic diagram of the grinding knife structure of this utility model.

[0017] Figure 5 This is a schematic diagram of the replacement component structure of this utility model.

[0018] Figure 6 This is a schematic diagram of the filter frame structure of this utility model.

[0019] Figure 7 This utility model Figure 6 Enlarged structural diagram at point A in the middle.

[0020] In the diagram: 1. Frame; 2. Grinding tank; 21. Annular groove; 22. Tank cover; 3. Filter assembly; 31. Filter frame; 32. Positioning block; 33. Arc-shaped insertion hole; 34. Positioning groove; 35. Arc-shaped groove; 36. Arc-shaped spring; 37. Arc-shaped insertion block; 38. Pull opening; 4. Support shell; 41. Drive motor; 42. Rotating block; 43. Heat dissipation hole; 5. Grinding blade; 6. Replacement assembly; 61. Fixing block; 62. Connection port; 63. Fixing groove; 64. Concave groove; 65. Double-ended lead screw; 66. L-shaped block; 67. Square groove; 68. Round rod; 681. First bevel gear; 69. Round block; 691. Second bevel gear; 7. Turntable; 71. Limit bolt. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example: Figure 1-7 As shown, this utility model provides a grinding mechanism for a coffee grinder, including a frame 1 and a grinding blade 5. A grinding jar 2 is installed on the frame 1, and the grinding jar 2 can be connected to the frame 1 by a screw. A support shell 4 is fixedly provided on the lower surface of the grinding jar 2. A drive motor 41 is fixedly provided inside the support shell 4. A rotating block 42 is rotatably provided inside the grinding jar 2. The output end of the drive motor 41 is fixedly connected to the lower end of the rotating block 42. A replacement component 6 is connected to the rotating block 42 and the grinding blade 5 for replacing the grinding blade 5.

[0023] The replacement assembly 6 includes a fixing block 61, which is fixedly connected to the lower surface of the grinding blade 5. A connection port 62 is provided on the side of the fixing block 61. A fixing groove 63 is provided on the rotating block 42, and the fixing block 61 is movably inserted into the fixing groove 63. A concave groove 64 is provided inside the rotating block 42, and a double-ended lead screw 65 is rotatably mounted on the inner surface of the concave groove 64. An L-shaped block 66 is threaded onto the outer surface of the double-ended lead screw 65, and the L-shaped block 66 slides and fits against the inner surface of the concave groove 64. The end of the L-shaped block 66 is movably inserted into the connection port 62. A square groove 67 is provided inside the rotating block 42, and a round rod 68 is rotatably mounted on the inner surface of the square groove 67. The round rod 68 passes through the rotating block 42, and a fixed sleeve is provided on the outer surface of the round rod 68. The device includes a first bevel gear 681, a round block 69 fixed at one end of the double-ended screw 65, and a second bevel gear 691 fixed at the other end of the round block 69. The first bevel gear 681 meshes with the second bevel gear 691. The grinding blade 5 can be installed according to the size of the beans being ground. The fixing block 61 on the lower surface of the grinding blade 5 can be inserted into the fixing groove 63. By rotating the turntable 7, the first bevel gear 681 is driven to rotate through the round rod 68. The first bevel gear 681, through the second bevel gear 691 meshing with it, cooperates with the round block 69 to make the double-ended screw 65 rotate. The L-shaped block 66 sleeved on the outer surface of the double-ended screw 65 is inserted into the connection port 62 to fix the grinding blade 5, making it convenient to replace different grinding blades 5 and improving the adaptability of the equipment.

[0024] The grinding tank 2 is connected to a powder filter assembly 3, which is used to filter beans that do not meet the specifications.

[0025] The grinding jar 2 has an annular groove 21 on its upper surface, and a jar cover 22 is movably inserted into the annular groove 21 to facilitate sealing of the grinding jar 2. The support shell 4 has several heat dissipation holes 43 on its lower surface, and the several heat dissipation holes 43 are arranged in a ring array on the lower surface of the support shell 4 to assist in the use of the drive motor 41. The lower end of the round rod 68 is fixedly provided with a turntable 7, and a limit bolt 71 is threaded into the turntable 7. The end of the limit bolt 71 is threaded into the inside of the rotating block 42 to facilitate the rotation of the round rod 68. The lower surface of the rotating block 42 has a threaded hole that matches the limit bolt 71.

[0026] The filter assembly 3 includes a filter frame 31, which is movably fitted to the inner surface of the grinding jar 2. The filter frame 31 has a lifting opening for easy lifting. A positioning block 32 is fixedly mounted on the outer surface of the filter frame 31. An arc-shaped insertion hole 33 is formed on one side of the positioning block 32. A positioning groove 34 is formed on the upper surface of the grinding jar 2, and the positioning block 32 is movably fitted to the inner surface of the positioning groove 34. An arc-shaped groove 35 is formed on the upper surface of the grinding jar 2, and an arc-shaped spring 36 is fixedly mounted on the inner surface of the arc-shaped groove 35. An arc-shaped insertion block 37 is fixedly mounted on the other end of the arc-shaped spring 36, and the end of the arc-shaped insertion block 37 is movably inserted. Inside the arc-shaped insertion hole 33, the beans to be ground are placed into the grinding jar 2. By starting the drive motor 41, the rotating block 42 can be rotated, which in turn drives the grinding blade 5 to rotate, grinding the beans into powder. After disassembling the grinding jar 2, the lid 22 can be lifted, and the arc-shaped insertion block 37 can be moved by pulling the pull port 38 to place the positioning block 32 on the outside of the filter frame 31 into the positioning groove 34. After releasing the arc-shaped insertion block 37, the arc-shaped spring 36 can be used to insert the arc-shaped insertion block 37 into the arc-shaped insertion hole 33. When pouring out the bean powder, small beans that do not meet the specifications are still in the grinding jar 2 and can be processed again.

[0027] Four arc-shaped springs 36 are provided and are symmetrically arranged between the arc-shaped groove 35 and the arc-shaped plug 37, which can improve the stability after connection. Two pull holes 38 are provided on the upper surface of the arc-shaped plug 37, and the two pull holes 38 are symmetrically arranged on the upper surface of the arc-shaped plug 37, which facilitates the movement of the arc-shaped plug 37.

[0028] Working principle: When using this device, first install the appropriate grinding blade 5 according to the size of the beans to be ground. Insert the fixing block 61 on the lower surface of the grinding blade 5 into the fixing groove 63. By rotating the turntable 7, the first bevel gear 681 is driven to rotate through the round rod 68. The first bevel gear 681, through the meshing second bevel gear 691 and the round block 69, can make the double-ended screw 65 rotate. The L-shaped block 66 on the outer surface of the double-ended screw 65 is inserted into the connection port 62 to fix the grinding blade 5, which is convenient for replacing different grinding blades 5 and improves the adaptability of the equipment.

[0029] Then, the limiting bolt 71 can be rotated so that its end enters the interior of the rotating block 42 to complete the limiting;

[0030] The beans to be ground can be placed inside the grinding jar 2. By starting the drive motor 41, the rotating block 42 can be rotated, which in turn drives the grinding blade 5 to rotate, grinding the beans into powder. After disassembling the grinding jar 2, the lid 22 can be lifted, and the arc-shaped insert 37 can be moved by pulling the pull port 38. The positioning block 32 set on the outside of the powder filter frame 31 can be placed into the positioning groove 34. After releasing the arc-shaped insert 37, the arc-shaped spring 36 can be used to insert the arc-shaped insert 37 into the arc-shaped insertion hole 33. When pouring out the bean powder, small beans that do not meet the specifications are still in the grinding jar 2 and can be processed again.

[0031] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A grinding mechanism for a coffee grinder, comprising a frame (1) and a grinding blade (5), characterized in that, A grinding jar (2) is installed on the frame (1). A support shell (4) is fixedly provided on the lower surface of the grinding jar (2). A drive motor (41) is fixedly provided inside the support shell (4). A rotating block (42) is rotatably provided inside the grinding jar (2). The output end of the drive motor (41) is fixedly connected to the lower end of the rotating block (42). A replacement component (6) is connected to the rotating block (42) and the grinding blade (5) for replacing the grinding blade (5). The replacement assembly (6) includes a fixing block (61), which is fixedly connected to the lower surface of the grinding blade (5). A connection port (62) is provided on the side of the fixing block (61). A fixing groove (63) is provided on the rotating block (42), and the fixing block (61) is movably inserted into the fixing groove (63). A concave groove (64) is provided inside the rotating block (42). A double-ended lead screw (65) is rotatably mounted on the inner surface of the concave groove (64). An L-shaped block (66) is threaded onto the outer surface of the double-ended lead screw (65). The L-shaped block (66) and the concave groove (64) are connected... The inner surface slides and fits together. The end of the L-shaped block (66) is movably inserted into the connection port (62). A square groove (67) is opened in the rotating block (42). A round rod (68) is rotatably provided on the inner surface of the square groove (67). The round rod (68) passes through the rotating block (42). A first bevel gear (681) is fixedly sleeved on the outer surface of the round rod (68). A round block (69) is fixedly provided at one end of the double-ended screw (65). A second bevel gear (691) is fixedly provided at the other end of the round block (69). The first bevel gear (681) and the second bevel gear (691) mesh with each other. The grinding tank (2) is connected to a powder filter assembly (3) for filtering beans that do not meet the specifications.

2. The grinding mechanism of a coffee grinder as described in claim 1, characterized in that, The filter assembly (3) includes a filter frame (31), which is movably fitted to the inner surface of the grinding tank (2). A positioning block (32) is fixedly provided on the outer surface of the filter frame (31). An arc-shaped insertion hole (33) is provided on one side of the positioning block (32). A positioning groove (34) is provided on the upper surface of the grinding tank (2). The positioning block (32) is movably fitted to the inner surface of the positioning groove (34). An arc-shaped groove (35) is provided on the upper surface of the grinding tank (2). An arc-shaped spring (36) is fixedly provided on the inner surface of the arc-shaped groove (35). An arc-shaped insertion block (37) is fixedly provided at the other end of the arc-shaped spring (36). The end of the arc-shaped insertion block (37) is movably inserted into the arc-shaped insertion hole (33).

3. The grinding mechanism of a coffee grinder as described in claim 1, characterized in that, The grinding jar (2) has an annular groove (21) on its upper surface, and a jar cover (22) is movably inserted into the annular groove (21).

4. The grinding mechanism of a coffee grinder as described in claim 1, characterized in that, The lower surface of the support shell (4) is provided with a plurality of heat dissipation holes (43), and the plurality of heat dissipation holes (43) are arranged in a ring array on the lower surface of the support shell (4).

5. The grinding mechanism of a coffee grinder as described in claim 1, characterized in that, The lower end of the round rod (68) is fixedly provided with a turntable (7), and a limiting bolt (71) is threadedly inserted on the turntable (7). The end of the limiting bolt (71) is threadedly inserted into the inside of the rotating block (42).

6. The grinding mechanism of a coffee grinder as described in claim 2, characterized in that, Four arc-shaped springs (36) are provided, and the arc-shaped springs (36) are symmetrically arranged between the arc-shaped groove (35) and the arc-shaped insert (37).

7. The grinding mechanism of a coffee grinder as described in claim 2, characterized in that, The upper surface of the arc-shaped insert (37) has two pull holes (38), which are symmetrically arranged on the upper surface of the arc-shaped insert (37).

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