High-speed rationed packing scale
A quantitative packaging, high-speed technology, applied in the direction of packaging, transportation and packaging, packaging item types, etc., can solve the problem of multi-bucket scale target particle number error, etc., to achieve the effect of improved accuracy, stable feeding speed, and simple structure
Active Publication Date: 2014-02-19
SHANGHAI YAMATO SCALE
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Problems solved by technology
[0005] To sum up, the problem of the prior art is that in order to achieve the required speed, multi-bucket scales must be used, and the segregation of multi-bucket scales has brought errors in the target particle number
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[0016] see figure 1 , which is a schematic structural view of a preferred embodiment of a high-speed quantitative packaging scale of the present invention. As shown in the picture: it consists of a set of large feeding device, a set of small feeding device, material collecting device and control unit. Among them: the large feeding device includes a large feeding gate 1 driven by the first motor to open and close, a large feeding weighing hopper 3 equipped with a first load cell 2; A small feeding pipe 4 for rotating feeding; the material collection device includes a collection bucket 5 arranged below the large feeding device and the small feeding device; the control unit is used to connect and control the first motor, the second motor, the first load cell 2 . The gathering bucket 5 obtains the weight value measured by the load cell, and calculates the feeding amount value according to the target weight value.
[0017] In this embodiment, the opening and closing angle of the ...
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The invention relates to packing scales, in particular to a high-speed rationed packing scale. The high-speed rationed packing scale is characterized in that large material feeding and small material feeding are split, and the high-speed rationed packing scale is composed of a large material feeding device, a small material feeding device, a material collecting device and a control unit; the large material feeding device comprises a large material feeding gate driven by a first motor to be opened or closed and a large material feeding measuring hopper provided with a first weighing sensor; the small material feeding device comprises a small material feeding pipe which carries out material feeding in a volume method and is driven by a second motor to rotate for the material supplementation; the material collecting device comprises a collecting hopper arranged below the large material feeding device and the small material feeding device; the control unit is used for being connected with and controlling the first motor, the second motor, the first weighing sensor and the collecting hopper, obtaining the weight value measured by the weighing sensor and calculating the material supplementation amount value according to a target weight value. A single bucket scale is used for eliminating the precision error of carrying out split charging according to particles due to material segregation, meanwhile, the method of large material feeding weighing and small material feeding volume is adopted, the speed of the single bucket scale is improved by around 30 bales per minute, and the base requirement for production line capacity is met.
Description
technical field [0001] The invention relates to a packaging scale, in particular to a high-speed quantitative packaging scale. Background technique [0002] The packaging production line that packs according to the number of grains, according to the unit weight of the material obtained by sampling, converts the target grain number into the target weight, and uses a quantitative packaging scale for packaging. Considering the speed of the packaging machine and the speed of secondary packaging (small bag into big bag) in the follow-up section, taking 8000 grains (about 3kg) of corn seeds as an example, the packaging speed is generally required to be 20 to 40 bags per minute. [0003] The existing quantitative packaging scales are completed in the weighing hopper with a load cell from large feeding, small feeding to stable unloading. A process takes about 6 to 10 seconds, so the maximum speed of a single bucket quantitative packaging scale is 10 Pack / min or so. Therefore, in o...
Claims
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IPC IPC(8): B65B1/32
Inventor 廖有钧戈敖兴
Owner SHANGHAI YAMATO SCALE