Adjustable constant-proportion division device

A fixed-ratio scaler and adjustable technology, applied in the field of scalers and adjustable fixed-ratio scalers, can solve the problems of low efficiency and great influence of scale reduction, avoid human error and improve labor productivity , the effect of convenient sample disposal

Active Publication Date: 2014-12-10
南京南环自动化技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because manual adjustment is used, the reduction ratio is greatly affected by human factors, and the efficiency is low

Method used

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  • Adjustable constant-proportion division device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 , figure 2 As shown, the adjustable fixed-ratio splitter of the present invention includes a swing hopper 1, a drive device (spindle motor 4 and a reducer), a distribution disc 13 and several drop hoppers distributed along the circumference, and the swing hopper 1 is located on the distribution disc 13 above and connected to the driving device, the distribution disc 13 is provided with feed holes corresponding to each drop hopper, and each drop hopper is connected to the bottom of the distribution disc 13 in turn, and the shrink divider is also provided with two sets of loose-leaf deflectors, respectively It is A loose-leaf deflector 5 and B loose-leaf deflector 10. Both loose-leaf deflectors are arranged above the discharge hopper and connected with the transmission rack. The discharge hopper is divided into a sample retention hopper and a sample discard hopper. The loose-leaf deflector Located between the sample retention hopper and the sample disc...

Embodiment 2

[0033] This example is on the basis of implementing one, and the quantity of loose-leaf deflectors, racks and hoppers can also be set as required.

[0034]

[0035] Working process of the present invention:

[0036] A rack and B rack move in opposite directions, and the radians of movement are in a 1:3 relationship, such as figure 2 Radians a and 3a in .

[0037] The stepping motor drives the gear box to rotate, and the gear box respectively drives the A rack and the B rack to move in a circular arc. The direction of the A rack and the B rack is opposite, and the motion arc is 1:3. Therefore, in the material receiving area Sa :Sb=1:3;

[0038] When designing, the ratio of the area SA of the sample A hopper to the area SB of the sample B hopper is 1:3, and the formula is SA: SB=1:3;

[0039] So there is: (SA+Sa) / (SB +Sb)=1 / 3;

[0040] Therefore, the reduction ratio of the A reduction sample and the B reduction sample is always a fixed value, and the fixed ratio reduction ...

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PUM

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Abstract

The invention provides an adjustable constant-proportion division device. The adjustable constant-proportion division device comprises a swinging hopper, a driving device, a distributing circular disc and a plurality of blanking hoppers, wherein the blanking hoppers are distributed along the circumference, the swinging hopper is located above the distributing circular disc and is connected with the driving device, material holes corresponding to the blanking hoppers are formed in the distributing circular disc, and each blanking hopper is connected to the bottom of the distributing circular disc; the adjustable constant-proportion division device is further provided with a group of loose-leaf flow guiding plates, the loose-leaf flow guiding plates are arranged above the blanking hoppers, are connected with driving racks and respectively correspond to the blanking hoppers when the swinging hopper rotates. According to the adjustable constant-proportion division device, a stepping motor is controlled to drive the loose-leaf flow guiding plates so as to adjust the division proportion, and a manual adjusting manner of a conventional division device is avoided, so that the personal error is avoided, and the labor productivity is increased.

Description

technical field [0001] The invention belongs to the field of sample preparation equipment, and relates to a divider, in particular to an adjustable fixed-ratio divider. Background technique [0002] At present, among the various mechanical dividers used in the market, most of them adopt the manual adjustment method, and the scale ratio is set by adjusting the knob. Because manual adjustment is used, the scale reduction ratio is greatly affected by human factors, and the efficiency is low. Therefore, it is an urgent problem to be solved at present to design a kind of divider that can overcome the error caused by human adjustment and improve labor productivity. Contents of the invention [0003] The invention provides an adjustable fixed-ratio divider, which realizes the adjustment of the reduction ratio by controlling the stepping motor to drive the loose-leaf deflector, avoids the human error caused by the traditional manual adjustment of the divider, and improves labor ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
Inventor 郭旭王强陈祥朱红育潘雁南李建平许明扬慕金伯
Owner 南京南环自动化技术有限公司
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