一种磨豆机刀刃调节机构及磨豆机

Abstract

本实用新型提出了一种磨豆机刀刃调节机构及磨豆机，涉及研磨设备领域。用于调节磨豆机外刀和内刀之间的间距，驱动轴穿过内刀并向下延伸，调节机构设置在内刀下方，包括：固定环，固定套设在驱动轴底端，并能够通过调节件调节其与驱动轴的轴向位移；固定环外壁设置有外螺纹；限位板，抵接在内刀底部，并与内刀旋转限位；调节环，转动设置于限位板底部，其内壁设置有与外螺纹适配的内螺纹；调节环螺纹连接于固定环外侧。本申请能够精确控制研磨粗细，通过调节件调节固定环的相对位置，可补偿公差；各部件之间的配合稳定，有效避免了调节后间距发生变化的情况，保证了研磨效果的均匀性。

Claims

1. A coffee grinder blade adjustment mechanism for adjusting the distance between an outer blade and an inner blade, wherein the outer blade is mounted on the inner side of a frame; and the inner blade is correspondingly disposed inside the outer blade and fixedly sleeved onto a drive shaft; characterized in that, The drive shaft passes through the inner blade and extends downwards, and the adjustment mechanism is disposed below the inner blade, including: A retaining ring is fixedly sleeved on the bottom end of the drive shaft and its axial displacement relative to the drive shaft can be adjusted by an adjusting component; the outer wall of the retaining ring is provided with external threads; A limiting plate abuts against the bottom of the inner blade and is rotatably limited by the inner blade. An adjusting ring is rotatably mounted on the bottom of the limiting plate, and its inner wall is provided with an internal thread that matches the external thread; the adjusting ring is threadedly connected to the outside of the fixed ring.

2. A grind setting mechanism for a coffee grinder as claimed in claim 1, wherein, The top of the limiting plate is provided with a first positioning pin, which is inserted into the positioning hole at the bottom of the inner knife; and the top of the limiting plate is in contact with the bottom of the inner knife.

3. A grinder burr adjustment mechanism according to claim 2, wherein, The bottom of the limiting plate is provided with a second positioning pin; the top of the adjusting ring is provided with an annular limiting groove; the second positioning pin is movably inserted into the limiting groove; and the bottom of the limiting plate is in contact with the top of the adjusting ring.

4. A grind setting mechanism for a coffee grinder as claimed in claim 3, wherein, The limiting groove is provided with a stop part, which is used to stop the second positioning pin.

5. A grinder blade adjustment mechanism according to claim 1 or 4, wherein The bottom of the limiting plate is also provided with a plurality of arc-shaped grooves arranged in a ring; the top of the adjusting ring is also provided with a plurality of elastic balls; the elastic balls correspond to any of the arc-shaped grooves and can slide into other arc-shaped grooves under the rotation of the adjusting ring.

6. A grind setting mechanism for a coffee grinder as claimed in claim 1, wherein, The adjusting component includes an adjusting screw, which is threaded through the bottom end of the drive shaft and presses the retaining ring against the bottom end of the drive shaft.

7. A grind setting mechanism for a coffee grinder as claimed in claim 1, wherein, The adjusting ring has multiple protruding ridges spaced apart on its circumference.

8. A grind setting mechanism for a coffee grinder as claimed in claim 1 or 7, wherein, The adjusting ring is stepped, with its larger diameter portion fitting against the limiting plate.

9. A bean grinder, characterized by It includes a blade adjustment mechanism as claimed in any one of claims 1-8, as well as a frame, a guide sleeve, an outer blade, an inner blade, a drive shaft, a rocker assembly, and a collection tank, wherein the drive shaft is axially inserted through the frame, the guide sleeve, the inner blade, and the blade adjustment mechanism; The guide sleeve is fixed to the inner side of the frame and is provided with a channel for material to be discharged; the top and bottom ends of the inner ring of the guide sleeve are respectively provided with rotating bearings sleeved on the outside of the drive shaft. The outer blade is installed on the inner side of the bottom of the frame; the inner blade is fixedly sleeved on the drive shaft and corresponds to the inner side of the outer blade, and a spring is provided between the inner blade and the rotating bearing at the bottom of the guide sleeve; The rocker assembly is rotatably mounted on the top of the frame and connected to the drive shaft; The collection tank is detachably connected to the bottom of the frame and is located below the outer blade and the inner blade.

10. Bean grinder according to claim 9, characterized in that The collection tank is threadedly connected to the frame, and a bottom cover is detachably connected to the bottom opening of the collection tank.

Images