Sampling knife for food detection

Abstract

The invention discloses a sampling knife for food detection. The sampling knife comprises a sampling pipe, an inner pipe body, a semicircular baffle, a motor, a protective shell, a vibration motor, anairflow pipeline, an air pump, sampling holes and a rubber pad; the lower end of the sampling pipe is in threaded connection with a sampling probe; and an annular groove is formed in one side of theupper end of the sampling pipe. A traditional sampling knife needs to be shaken manually, as a result, the puncture hole of a bag container is apt to be enlarged, and cereal outflows. In order to solve the problem in the prior art, a vibration motor is adopted; the vibration motor vibrates to drive the whole sampling knife to vibrate, so that a cereal sample can smoothly flow into the sampling pipe, and will not be jammed; a motor drives a gear to rotate; the gear is meshed with a rack ring so as to rotate a rotary disc to rotate, so that the semicircular baffle can be driven to rotate to sealthe sampling holes; and with the above structure of the sampling knife for food detection of the invention adopted, the sample is effectively prevented from flowing out; and meanwhile, when the sampling knife is not used, the sampling holes can be sealed, so that external impurities are prevented from entering the sampling pipe.

Description

technical field [0001] The invention relates to the technical field of food detection, in particular to a sampling knife for food detection. Background technique [0002] After the traditional sampling knife is pierced into the bag container, the grains are squeezed tightly due to the action of gravity, causing the grains to stagnate and difficult to enter the inner cavity of the sampling knife. Usually, it is manually shaken to make the grains enter the inside of the sampling knife. Such a sampling method will lead to an increase in the puncture hole of the bagged container. When the sampling knife is pulled out, the internal miscellaneous grains will easily flow out, resulting in waste. In addition, when the sample is poured out, dust will adhere to the inside of the sampling knife due to the dust adhering to the surface of the miscellaneous grains. Therefore, it is necessary to design a sampling knife for food testing. Contents of the invention [0003] The object of t...

AI Technical Summary

Problems solved by technology

[0002] After the traditional sampling knife is pierced into the bag container, the grains are squeezed tightly due to the action of gravity, causing the grains to stagnate and difficult to enter the inner cavity of the sampling knife. Usually, it is manually shaken to make the grains enter the inside of the sampling knife. Such a sampling method will lead to an increase in the puncture hole of the bagged container. When the sampling knife is pulled out, the internal miscellaneous grains will easily flow out, resulting in waste. In addition, when the sample is poured out, due to the dust adhering to the surface of the coarse grains, it will cause dust to adhere to the inside of the sampling knife. Therefore, it is necessary to design a sampling knife for food testing.

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