Grinding device of coffee machine

Abstract

The utility model discloses a grinding device of a coffee machine. The grinding device comprises a bean box, a motor support, an upper cutter worm gear assembly, a lower cutter, a lower cutter support, a motor, a worm, a bearing support, a powder mixing support, a powder mixing decoration frame, a shifting bead and a powder outlet. The bean box is installed on the motor support, and the motor is installed on the motor support. Ball bearings are arranged at the upper end and the lower end of the upper cutter worm gear assembly, a worm is arranged on the motor to drive the upper cutter worm gear assembly and the ball bearings to rotate together, a bearing support is sleeved outside the ball bearings, the bearing support and a motor support are assembled into a whole, and adjusting threads and two shifting beads are arranged below the bearing support; the lower cutter is assembled on the lower cutter support, the powder mixing support is assembled on the lower cutter support, and the powder outlet is assembled on the powder mixing support. The powder mixing decoration frame is assembled on the powder mixing support, the powder mixing decoration frame, the lower cutter support and the lower cutter form a lower cutter assembly, the powder mixing support of the lower cutter assembly is provided with threads and assembled on the bearing support, and the powder mixing support is rotated to move up and down to change the thickness of powder.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee machines, in particular to a coffee machine grinding device. Background Art

[0002] Traditional coffee grinders have a rotating lower blade and a disassembled upper blade. The lower powder channel is prone to blockage over time, and the coffee powder is not easy to clean. The coffee powder that remains for a long time is not clean and unhygienic.

[0003] For example, Breville's Oracle Touch coffee machine uses this structure to grind coffee beans, so existing coffee bean grinding devices have problems such as clogged holes and excessive residue, which is not hygienic enough.

[0004] Therefore, there is still room for improvement in the prior art. Utility Model Content

[0005] The utility model aims to provide a coffee machine grinding device, aiming to solve the technical problems of hole blockage, much residue and unsanitary conditions in the existing coffee machine grinding devices.

[0006] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: A coffee machine grinding device, comprising: a bean box, a motor bracket, an upper knife worm gear assembly, a lower knife, a lower knife bracket, a motor, a worm, a bearing bracket, a powder adjusting bracket, a powder adjusting decorative frame, and a powder outlet; the bean box is mounted on the motor bracket by a lock, and the motor is mounted on the motor bracket by four screws; the upper and lower ends of the upper knife worm gear assembly are provided with ball bearings, the motor is provided with a worm to drive the upper knife worm gear assembly and the ball bearing to rotate together, the ball bearing at the lower end of the upper knife worm gear assembly is covered with a bearing bracket, the bearing bracket is assembled with the motor bracket as a whole, and an adjusting thread and two beads are provided below the bearing bracket; the lower knife is assembled on the lower knife bracket, the powder adjusting bracket is assembled on the lower knife bracket, and the powder outlet is assembled on the powder adjusting bracket; the powder adjusting decorative frame is assembled on the powder adjusting bracket, and forms a lower knife assembly with the lower knife bracket and the lower knife, the powder adjusting bracket of the lower knife assembly is assembled with a thread on the bearing bracket, and the coarseness of the powder is changed by rotating the powder adjusting bracket up and down.

[0007] The coffee machine grinding device is characterized in that a powder receiving cup is also installed in the coffee machine below the powder outlet.

[0008] The coffee machine grinding device, wherein the upper blade worm gear assembly comprises an upper blade, a powder sweeping frame and a worm gear; the upper blade and the powder sweeping frame are mounted on the worm gear.

[0009] The coffee machine grinding device, wherein the powder outlet is butted against the bottom end of the bearing bracket to form a powder outlet channel, and the powder outlet channel is located directly below the lower knife, and the coffee powder falls vertically into the powder receiving cup from directly below the lower knife.

[0010] The coffee machine grinding device is characterized in that the lower knife assembly is detachable and cleanable.

[0011] In the coffee machine grinding device, the motor drives the upper knife and worm gear assembly to rotate through the worm, and the lower knife assembly is in a relatively static state.

[0012] The coffee machine grinding device is characterized in that the ball bearing includes an upper bearing and a lower bearing, the upper bearing is installed on the upper end of the upper blade worm gear assembly, and the lower bearing is installed on the lower end of the upper blade worm gear assembly.

[0013] Beneficial effects: The utility model can adjust the coarseness of the powder by rotating the lower knife assembly; during the grinding process, since the lower knife assembly is stationary, the upper knife on the upper knife worm gear assembly is driven by the motor to rotate to cut the coffee beans to complete the grinding, and the powder falls vertically into the powder cup from just below the lower knife; thereby solving the problems of hole blockage, excessive residue and unsanitary conditions in the existing coffee machine grinding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the present utility model.

[0015] Figure 2 It is a cross-sectional schematic diagram of the lower knife assembly device of the utility model. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the present invention more clear and explicit, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0017] like Figure 1-2As shown, the utility model discloses a coffee machine grinding device, which includes: a bean box 1, a motor bracket 2, an upper knife worm gear assembly 5, a lower knife 6, a lower knife bracket 8, a motor 9, a worm 10, a bearing bracket 12, a powder adjusting bracket 13, a powder adjusting decorative frame 14, a ball 15 and a powder outlet 16; the bean box 1 is mounted on the motor bracket 2 through a lock, and the motor 9 is mounted on the motor bracket 2 through four screws; the upper and lower ends of the upper knife worm gear assembly 5 are provided with ball bearings; the motor 9 is provided with a worm 10 to drive the upper knife worm gear assembly 5 and the ball bearing to rotate together, and the ball bearing at the lower end of the upper knife worm gear assembly is covered with a bearing bracket 12. The ball bearing includes an upper bearing 3 and a lower bearing 7, the upper bearing 3 and the lower bearing 7 are assembled on the upper knife bracket 5, the bearing bracket 12 is assembled with the motor bracket 2 as a whole, and there are adjustment threads and two beads 15 below the bearing bracket 12; the lower knife 6 is assembled on the lower knife bracket 8, the powder adjustment bracket 13 is assembled on the lower knife bracket 8, and the powder outlet 16 is assembled on the powder adjustment bracket 13; the powder adjustment decorative frame 14 is assembled on the powder adjustment bracket 13, and forms a lower knife assembly with the lower knife bracket 8 and the lower knife 6, and the powder adjustment bracket 13 of the lower knife assembly is assembled on the bearing bracket 12 with threads, and the powder thickness is changed by rotating the powder adjustment bracket 13 up and down. Specifically, a powder receiving cup 17 is also installed in the coffee machine corresponding to the lower side of the powder outlet 16.

[0018] The motor 9 is powered on to drive the worm 10 and the upper knife bracket 5 to rotate, and the lower knife assembly is rotated to adjust the coarseness of the coffee powder, and the powder will fall into the powder receiving cup 17 through the lower knife assembly.

[0019] Specifically, the upper blade worm gear assembly 5 includes an upper blade 4, a powder sweeping frame 11 and a worm gear 50; the upper blade 4 and the powder sweeping frame 11 are mounted on the worm gear 50.

[0020] Specifically, the powder outlet 16 is butted against the bottom end of the bearing bracket 12 to form a powder outlet channel, and the powder outlet channel is located directly below the lower knife, and the coffee powder falls vertically into the lower powder cup 17 from directly below the lower knife; therefore, less coffee powder remains in the powder outlet channel.

[0021] Specifically, the lower knife assembly is detachable for cleaning.

[0022] Specifically, the motor 9 drives the upper knife worm gear assembly 5 to rotate through the worm 10, and the lower knife assembly is in a relatively static state.

[0023] The utility model can adjust the coarseness of the powder by rotating the lower knife assembly; during the grinding process, since the lower knife assembly is stationary, the upper knife on the upper knife worm gear assembly is driven by a motor to rotate to cut the coffee beans to complete the grinding, and the powder falls vertically into the powder cup from just below the lower knife; thereby solving the problems of hole blockage, excessive residue and unsanitary conditions in the existing coffee machine grinding device.

[0024] The above is only the preferred implementation mode of the utility model, which certainly cannot be used to limit the scope of rights of the utility model. It should be pointed out that for technicians in this technical field, any modification or equivalent replacement of the technical solution of the utility model without creative work does not deviate from the protection scope of the technical solution of the utility model.

Claims

1. A coffee machine grinding device, characterized in that: include: A bean box (1), a motor bracket (2), an upper blade worm gear assembly (5), a lower blade (6), a lower blade bracket (8), a motor (9), a worm (10), a bearing bracket (12), a powder mixing bracket (13), a powder mixing decorative bracket (14), a ball (15) and a powder outlet (16); the bean box (1) is mounted on the motor bracket (2) by means of a lock, and the motor (9) is mounted on the motor bracket (2) by means of four screws; the upper and lower ends of the upper blade worm gear assembly (5) are provided with ball bearings, the motor (9) is provided with a worm (10) which drives the upper blade worm gear assembly (5) and the ball bearing to rotate together, and the ball bearing at the lower end of the upper blade worm gear assembly is externally The face sleeve has a bearing bracket (12), the bearing bracket (12) and the motor bracket (2) are assembled as a whole, and the bearing bracket (12) has an adjustment thread and two beads (15) below; the lower knife (6) is assembled on the lower knife bracket (8), the powder adjusting bracket (13) is assembled on the lower knife bracket (8), and the powder outlet (16) is assembled on the powder adjusting bracket (13); the powder adjusting decorative frame (14) is assembled on the powder adjusting bracket (13), and together with the lower knife bracket (8) and the lower knife (6) form a lower knife assembly, the powder adjusting bracket (13) of the lower knife assembly is assembled on the bearing bracket (12) with a thread, and the coarseness of the powder is changed by rotating the powder adjusting bracket up and down.

2. A coffee machine grinding device according to claim 1, characterized in that: A powder receiving cup (17) is also installed in the coffee machine below the powder outlet (16).

3. A coffee machine grinding device according to claim 1, characterized in that: The upper blade worm gear assembly (5) comprises an upper blade (4), a powder sweeping frame (11) and a worm gear (50); the upper blade (4) and the powder sweeping frame (11) are mounted on the worm gear (50).

4. A coffee machine grinding device according to claim 1, characterized in that: The powder outlet (16) is butted against the bottom end of the bearing bracket (12) to form a powder outlet channel, and the powder outlet channel is located directly below the lower knife, and the coffee powder falls vertically from directly below the lower knife into the powder receiving cup (17).

5. The coffee machine grinding device according to claim 1, characterized in that: The lower knife assembly can be disassembled and cleaned.

6. A coffee machine grinding device according to claim 1, characterized in that: The motor (9) drives the upper knife worm gear assembly (5) to rotate via the worm (10), and the lower knife assembly is in a relatively static state.

7. A coffee machine grinding device according to claim 1, characterized in that: The ball bearing comprises an upper bearing (3) and a lower bearing (7), wherein the upper bearing (3) is mounted on the upper end of the upper blade worm gear assembly (5), and the lower bearing (7) is mounted on the lower end of the upper blade worm gear assembly (5).

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