Method for automatically adjusting position of paving material of storage cabinet
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An automatic adjustment and laying technology, applied in control/regulation systems, instruments, comprehensive factory control, etc., can solve the problems of simultaneous storage of multiple small batches, automatic adjustment of batch weight, and inaccurate control, etc. , to achieve the effect of reducing production waiting time, maximizing the use of storage cabinet space, and simplifying the control process
Active Publication Date: 2016-06-15
CHINA TOBACCO JIANGSU INDAL
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However, the above methods all require manual participation in the setting of the material spreading range, which cannot be automatically adjusted according to the batch weight, and the control is not pr
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[0020] Example one, storing a single batch
[0021] Such as figure 1 As shown, set the basic parameters, set the normal batch total weight Q=6000kg in the PLC controller, the full cabinet paving length L=12m, and the interval distance L for multiple batches of materials into the same storage cabinet between =2m;
[0022] The batch material weight Q 1 =3000kg, calculate L Length 1 =L*Q 1 / Q=6m, the starting position of the paving is at the discharge end L of the storage cabinet Beginning 1 =0, end position L End 1 =L long = 6m, so the range of paving material is between 0m and 6m;
[0023] If the batch material weight Q 1 =6200kg, Q 1 > Q, L can be calculated Length 1 = 12.4m, beyond the maximum allowable spreading range, take L for this Length 1 =12m, the range of paving material is between 0m and 12m, allowing full cabinet paving;
Example Embodiment
[0024] Example two, store multiple batches
[0025] Such as figure 2 As shown, select the first batch of materials to enter the storage cabinet, and the material weight is Q 1 =1500kg, calculate L Length 1 =L*Q 1 / Q=3m, the spreading range is between 0m and 3m;
[0026] Select the second batch of materials to enter the storage cabinet, material weight Q 2 =1000kg, due to Q 2 Length 2 =0.2*L=2.4m, the distance between the starting position of paving and the ending position of the first batch of materials is L between =2m, so the starting position L Start 2 =L between +L Length 1 = 5m, L End 2 =L Start 2 +L Length 2 =7.4,m, so the laying range of the second batch of materials is between 5m and 7.4m;
[0027] Select the third batch of materials to enter the storage cabinet, the material weight Q 3 =1800kg, L Length 3 =L*Q 3 / Q=3.6m, its starting position L Start 3 =L between *2+L Length 1 +L Length 2 =9.4m, L End 3 =L Start 3 +L Length 3 =12m, so the laying range of the t...
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Abstract
The invention discloses a method for automatically adjusting the position of a paving material of a storage cabinet, and the method comprises the steps: setting basic parameters, setting a normal batch total weight Q in a PLC controller according to a technological standard, setting the overall length of the paving material in the cabinet as L, enabling materials of a plurality of batches to enter the same storage cabinet, and placing the materials at L intervals; building a model formula in the PLC controller, calculating the length L<length n> of the paving material, the starting position L<start n> of the paving material and the end position L<end n> of the paving material according to the weight Qn of the cabinet in the current batch; enabling L<length n> to be equal to 0.2*Lm when Qn is less than 0.2*Q; enabling L<length n> to be equal to L*Qn/Q when Qn is not less than 0.2*Q; enabling the starting position L<start 1> to be zero when n is equal to 1, enabling the end position L<end 1> to be equal to L<length 1>, and enabling the material to enter from a material discharging end of the storage cabinet; enabling the end position L<end 1> of the paving material to be L when the end position L<end 1> is greater than L; enabling the end position L<end n> to be the sum of L<start n> and L<length n> when n is greater than 1; and forbidding storage if the end position L<end n> is greater than L. The method can precisely and efficiently adjust the position of the paving material in the storage cabinet during driving according to the batch weight, and can achieve the segmented and simultaneous storage of materials in a plurality batches in the storage cabinet.
Description
technical field [0001] The invention relates to a method for automatically adjusting the laying position of storage cabinets, belonging to the field of automatic control of tobacco shredded equipment. Background technique [0002] Storage cabinets are widely used in tobacco production, and large storage cabinets are required in premixing, leaf storage, and silk storage. Huge, with a size of two or three meters wide and more than 20 meters long, some of them will adopt a double-layered top-to-top craft layout. [0003] According to the requirements of the batch production mode, under normal circumstances, each batch of feed material is more than 6,000 kg, and the material is laid in the form of driving back and forth to and fro. The material is required to be laid evenly. The feeding roller can effectively loosen the agglomerated materials, and at the same time ensure the stability of the discharge flow at the normal bottom belt speed. [0004] However, when these large sto...
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