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Working principle of meat grinder

Author:本站 Source:本站 Time:2026/4/9 9:54:45 frequency:

1. When working, turn on the machine first and then release the material. Due to the gravity of the material itself and the rotation of the screw feeder, the material is continuously sent to the blade for shredding. Because the pitch of the spiral feeder should be smaller at the back than at the front, but the diameter of the spiral shaft is larger at the back than at the front, this creates a certain squeezing force on the material, which forces the chopped meat to be discharged from the holes on the grid.

2. When used for canned luncheon meat production, fatty meat needs to be roughly ground while lean meat needs to be finely ground, and the grid plate is exchanged to achieve the needs of coarse and fine grinding. There are several different sizes of holes in the grid board, usually with a diameter of 8-10 millimeters for coarse twisting and 3-5 millimeters for fine twisting. The thickness of the coarse and fine twisted grid plates is 10-12 millimeters for ordinary steel plates. Due to the larger aperture of the coarse wire cutter and easier discharge, the speed of the spiral feeder can be faster than that of the fine wire cutter. This is because the total area of the holes on the grid plate is constant, and the discharge amount is also constant. When the speed of the feeding spiral is too fast, the material is blocked near the cutter, causing a sudden increase in load and having a negative impact on the electric motor.

3. The cutting edge of the cutter is installed along the rotation of the cutting blade. The cutting blade is made of tool steel and requires a sharp edge. After a period of use, the edge becomes dull. At this time, a new blade should be replaced or re ground, otherwise it will affect the cutting efficiency, and even cause some materials to be squeezed and ground into a slurry instead of being chopped and discharged, directly affecting the quality of the finished product. According to research from some factories, quality accidents caused by severe fat precipitation in canned luncheon meat are often related to this reason.

4. After assembling or replacing the cutter, be sure to tighten the fastening nut to ensure that the grid plate does not move,Otherwise, the relative motion between the movement of the grid plate and the rotation of the cutter will also cause damage to the materialThe function of grinding slurry. The cutter must be tightly attached to the grid, otherwise it will affect the cutting efficiency.The spiral feeder rotates inside the machine wall, and it is necessary to prevent the outer surface of the spiral from colliding with the machine wall. If there is a slight collision,Immediately damage the machine. But their gap cannot be too large, as it will affect the feeding efficiency andSqueezing pressure can even cause material to flow back from the gap, thus affecting the processing and installation of these componentsThe requirements for installation are relatively high.

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