CN117680367B - Screening plant is used in fodder processing - Google Patents
Screening plant is used in fodder processing Download PDFInfo
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- CN117680367B CN117680367B CN202410146039.8A CN202410146039A CN117680367B CN 117680367 B CN117680367 B CN 117680367B CN 202410146039 A CN202410146039 A CN 202410146039A CN 117680367 B CN117680367 B CN 117680367B
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- 238000012216 screening Methods 0.000 title claims abstract description 256
- 238000012545 processing Methods 0.000 title claims abstract description 26
- 239000012535 impurity Substances 0.000 claims abstract description 98
- 238000007405 data analysis Methods 0.000 claims abstract description 82
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 25
- 238000012937 correction Methods 0.000 claims description 16
- 230000001133 acceleration Effects 0.000 claims description 13
- 230000000630 rising effect Effects 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007873 sieving Methods 0.000 description 10
- 239000004744 fabric Substances 0.000 description 7
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of screening machines, in particular to a screening device for feed processing, which comprises: a roller screening module; a vibration screening module; an acquisition module; a detection module; a data analysis module; according to the invention, the data analysis module judges whether the screening of the feed meets the preset standard according to the measured change condition of the area ratio of the impurities on the surface of the feed before and after screening, and when judging that the screening of the feed does not meet the preset standard, judges whether the screening of the feed meets the preset standard according to the coincidence degree of the contour lines of the impurities in the feed before and after the screening, thereby improving the control precision of the impurities in the feed, and the data analysis module selects a corresponding screening mode according to the analysis result, so that the impurities with lighter quality and similar volume in the feed are screened out, the screening efficiency of the feed is improved while the screening effect is ensured, the manual screening is avoided, and the labor cost is reduced.
Description
Technical Field
The invention relates to the technical field of screening machines, in particular to a screening device for feed processing.
Background
Feed is the main food for modern animal husbandry animals, and the feed often contains impurities, so that screening the impurities in the feed is an important step. In the prior art, a toothed vibrating plate is arranged in a screening barrel, a rectangular screen is arranged at the right end of the screen, and the screen is changed from horizontal to inclined in the upward moving process, so that materials roll on the screen, the screening efficiency is improved, but due to single screening form, impurities with lighter quality and similar volume to the feed are not easy to screen out, the manual screening efficiency is low, and the labor cost is high.
Chinese patent application No.: the invention discloses a sieving machine for feed processing, relates to the field of sieving machines, and particularly relates to a sieving machine for feed processing. A vibrating plate is arranged in the screening barrel; the vibrating plate is in a toothed plate shape and is positioned on the right side plate of the screening barrel. The screen cloth becomes rectangular shape, and the level setting of screen cloth is in screening bucket, but the left end rotatable and horizontal slip ground is connected with screening bucket, right-hand member and vibrating plate contact to when the right-hand member of screen cloth slides along the vibrating plate from top to bottom, make the screen cloth vibrate. The lifting block is positioned on the right side of the screening barrel, can be arranged in a vertical sliding manner and is connected with the right end of the screen. The lifting block is provided with a lifting groove which extends forwards and backwards and has an opening facing to the right, and the swinging shaft is rotatably arranged on the fixing frame along the left-right direction; one end of the swinging rod is fixedly connected with the sliding block, and the other end of the swinging rod is fixedly connected with the swinging shaft; the driving mechanism is used for driving the swinging shaft to rotate. The screen cloth right-hand member is at the in-process of upwards removing, and the screen cloth becomes the slope from the level for the material rolls on the screen cloth, further improves screening efficiency. From this, it can be seen that the sieving machine for feed processing has the following problems: because the screening form is single, the quality is lighter in the fodder and the impurity that the volume is similar to the fodder is difficult to screen out, and manual screening is inefficiency, and the cost of labor is big.
Disclosure of Invention
Therefore, the invention provides a screening device for feed processing, which is used for solving the problems of light weight, difficulty in screening out impurities with volume similar to that of feed, low manual screening efficiency and high labor cost caused by single screening form in the prior art.
To achieve the above object, the present invention provides a screening device for feed processing, comprising:
A roller screening module, comprising:
a first feed port;
the screening roller is connected with the first feed inlet, and a fan is arranged at the right part of the screening roller and is used for rotating the screening roller with different apertures so as to screen feed input by the feed inlet;
the telescopic cross rod is connected with the screening roller and used for fixing the screening roller and controlling the screening roller to horizontally reciprocate;
the first bracket is connected with the telescopic cross rod and used for fixing the telescopic cross rod;
A vibratory screening module, comprising:
a second feed inlet;
the second bracket is connected with the second feeding port and used for fixing the second feeding port;
a screening plate connected to the second support for passing through the second support to isolate the feed from impurities;
a screening plate controller connected to the screening plate and the second bracket for controlling the screening plate to pass through the second bracket at a corresponding height;
The vibration bottom plate is arranged at the lower part of the second bracket and is used for lifting the feed;
the acquisition module is used for acquiring images of the surfaces of the feed before and after screening of the feed which is screened by adopting the roller;
The detection module is connected with the acquisition module and is used for determining the area occupation ratio of the impurities according to the images of the feed surface acquired by the acquisition module, the distribution condition of the impurities in the feed after the roller screening treatment, the coincidence ratio of the contour lines of the impurities in the feed before and after the roller screening treatment, the maximum height difference value between the feed and the impurities when the impurities are lifted, and the weight of a feed sample and the weight of an impurity sample;
The data analysis module is connected with the detection module and is used for judging whether the screening of the feed meets the preset standard according to the change condition of the area ratio of the impurities on the surface of the feed before and after the screening, which is measured by the detection module, and judging whether the screening of the feed meets the preset standard according to the coincidence degree of the contour lines of the impurities in the feed before and after the screening, which is measured by the detection module, or judging the reason why the screening of the feed does not meet the preset standard according to the measured distribution condition of the impurities in the feed when the screening of the feed is judged not to meet the preset standard.
Further, the data analysis module judges whether the screening of the feed meets a preset standard according to the difference between the area ratio of the impurity on the surface of the feed before screening and the area ratio of the impurity on the surface of the feed after screening, which are measured by the detection module, and judges whether the screening of the feed does not meet the preset standard according to the coincidence ratio of the contour lines of the impurity in the feed before and after screening, which is measured by the detection module, meets the preset standard or not when judging that the screening of the feed does not meet the preset standard according to the distribution condition of the impurity in the feed.
Further, when determining whether the coincidence ratio of the contour lines of the impurities in the feed before and after screening measured by the detection module meets a preset standard, the data analysis module secondarily determines whether the screening of the feed meets the preset standard according to the coincidence ratio of the contour lines of the impurities in the feed before and after screening measured by the detection module, and when determining that the screening of the feed does not meet the preset standard, determines that the viscosity of the feed is higher than the preset standard, or when determining that the screening of the feed meets the preset standard, the data analysis module determines that the accumulation of the feed is excessive.
Further, when the data analysis module judges that the reason that the screening for the feed does not meet the preset standard is that the viscosity of the feed is higher than the preset standard, a plurality of adjustment modes for the upward moving distance of the vibrating bottom plate in the vibration screening treatment process of the feed are arranged based on the overlap ratio, and the adjustment amplitudes of the adjustment modes for the upward moving distance of the vibrating bottom plate are different.
Further, when the data analysis module judges that the feed is excessively stacked, a plurality of adjusting modes aiming at the vibration frequency of the vibration bottom plate in the feed vibration screening treatment process are arranged based on the overlap ratio, and the adjusting amplitude of each adjusting mode aiming at the vibration frequency of the vibration bottom plate is different.
Further, when the data analysis module judges that the screening of the feed does not meet the preset standard according to the distribution condition of the impurities in the feed measured by the detection module, the data analysis module judges that the screening of the feed does not meet the preset standard according to the measured distribution condition of the impurities in the screened feed is unequal in density of the feed and the impurities or excessive accumulation of the feed.
Further, when the data analysis module judges that the screening of the feed does not meet the preset standard, the vibration screening module is controlled to lift the mixture of the feed and the impurity upwards by adopting the preset acceleration when the density of the feed and the density of the impurity are not equal, the detection module detects the maximum height difference value of the feed and the impurity when the feed and the impurity are lifted, and the data analysis module determines the screening mode of the feed to perform wind screening treatment or vibration screening treatment and roller screening treatment on the feed according to the maximum height difference value.
Further, the data analysis module is provided with a plurality of adjustment modes aiming at the horizontal movement distance of the sieving roller in the sieving process of the feed when judging that the sieving aiming at the feed does not meet the preset standard because the feed is excessively piled up, and the adjustment ranges of the adjustment modes aiming at the horizontal movement distance of the sieving roller are different.
Further, the data analysis module is provided with a plurality of wind speed adjusting modes aiming at the fan in the wind screening treatment process of the feed based on the weight difference value between the weight of the feed sample and the weight of the impurity sample measured by the detection module when judging that the wind screening treatment is carried out on the feed, and the wind speed adjusting ranges of all the adjusting modes aiming at the wind speed are different.
Further, when the data analysis module judges that the feed is subjected to vibration screening treatment, a plurality of correction modes aiming at acceleration in the rising process of the vibrating bottom plate in the vibration screening treatment process of the feed are arranged based on the maximum height difference, and the correction amplitudes of all the correction modes aiming at acceleration are different.
Compared with the prior art, the method has the beneficial effects that the data analysis module judges whether the screening of the feed meets the preset standard according to the change condition of the area ratio of the impurities on the surface of the feed before and after the screening, which is measured by the detection module, and judges whether the screening of the feed meets the preset standard according to the coincidence degree of the contour lines of the impurities in the feed before and after the screening, which is measured by the detection module, or judges the reason that the screening of the feed does not meet the preset standard according to the measured distribution condition of the impurities in the feed, the control precision of the impurities in the feed is improved, the data analysis module selects the corresponding screening mode according to the analysis result, so that the impurities with lighter quality and similar volume to the feed are screened out, the screening efficiency of the feed is improved while the screening effect is ensured, the manual screening is avoided, and the manual cost is reduced.
Furthermore, the screening plate is obliquely arranged, so that the screened impurities can slide out from one side conveniently, the phenomenon that the impurities are mixed with feed again due to taking of the screening plate is avoided, and the screening efficiency is further improved.
Further, the data analysis module secondarily judges whether the screening of the feed meets the preset standard according to the coincidence degree of the contour lines of the impurities in the feed before and after the screening, which is measured by the detection module, and judges that the reason that the screening of the feed does not meet the preset standard is that the viscosity of the feed is higher than the preset standard when the screening of the feed does not meet the preset standard, so that the control precision of the impurities is further improved, and the screening efficiency is further improved.
Further, the data analysis module selects the corresponding adjustment coefficient according to the contact ratio to adjust the upward movement distance of the vibrating bottom plate to the corresponding value in the vibration screening treatment process of the feed, so that the working efficiency of the vibrating bottom plate is improved.
Further, according to the invention, the data analysis module determines that the reason that the screening of the feed does not meet the preset standard is that the density of the feed and the density of the impurities are unequal or the density of the feed is excessively accumulated according to the distribution condition of the impurities in the feed after screening, which is measured by the detection module, so that the control precision of the feed for the impurities is further improved, and the data analysis module adjusts the corresponding parameters to the corresponding values according to the analysis result, so that the screening efficiency is further improved.
Further, the data analysis module determines that the screening mode for the feed is wind screening treatment, vibration screening treatment or roller screening treatment according to the maximum height difference value when the feed and the impurity are lifted, so that the control precision for the impurity is further improved, the screening efficiency is further improved, manual screening is avoided, and the labor cost is reduced.
Drawings
FIG. 1 is a front view of a drum screen module of the screening apparatus for feed processing of the present invention;
FIG. 2 is a right side view of a drum screen module of the screening apparatus for feed processing of the present invention;
FIG. 3 is a cross-sectional view of a vibratory screening module of the screening apparatus for feed processing of the present invention;
fig. 4 is a flow chart of the invention for whether the screening of feed meets preset criteria.
In the figure: 1-a first feed inlet; 2-a screening drum; 3-fans; 4-telescoping cross bars; 5-a first scaffold; 6-a second feed inlet; 7-a second bracket; 8-screening plates; 9-a screen panel controller; 10-vibrating the soleplate.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1 to 3, fig. 1 is a front view of a drum screen module of a screening apparatus for feed processing according to the present invention, fig. 2 is a right side view of a drum screen module of a screening apparatus for feed processing according to the present invention, and fig. 3 is a sectional view of a vibration screen module of a screening apparatus for feed processing according to the present invention.
The screening device for feed processing in the embodiment of the invention comprises:
A roller screening module, comprising:
A first feed inlet 1;
A screening drum 2 connected to the first feed inlet 1, the right part of which is provided with a fan 3 for screening the feed inputted from the first feed inlet 1 by rotating screening drums having different apertures;
a telescopic cross rod 4 connected with the screening drum 2 for fixing the screening drum 2 and controlling the screening drum 2 to horizontally reciprocate;
a first bracket 5 connected to the telescopic rail 4 for fixing the telescopic rail 4;
A vibratory screening module, comprising:
a second feed inlet 6;
A second bracket 7 connected to the second inlet 6 for fixing the second inlet 6;
a screening plate 8 connected to the second frame 7 to pass through the second frame 7 to isolate the feed from impurities;
A screening plate controller 9 connected to the screening plate 8 and the second bracket 7 for controlling the screening plate 8 to pass through the second bracket 7 at a corresponding height;
A vibration base plate 10 provided at a lower portion of the second bracket 7 for lifting the feed;
An acquisition module (not shown) for acquiring images of the feed surface before and after sieving of the feed processed by roller sieving;
the detection module (not shown in the figure) is connected with the acquisition module and is used for determining the area ratio of the impurities according to the image of the feed surface acquired by the acquisition module, the distribution condition of the impurities in the feed after the roller screening treatment, the coincidence ratio of the contour lines of the impurities in the feed before and after the roller screening treatment, the maximum height difference value between the feed and the impurities when the impurities are lifted, and the weight of the feed sample and the weight of the impurity sample;
And the data analysis module (not shown in the figure) is connected with the detection module and is used for judging whether the screening of the feed meets the preset standard according to the change condition of the area ratio of the impurities on the surface of the feed before and after the screening, which is measured by the detection module, and when the screening of the feed is judged to not meet the preset standard, judging whether the screening of the feed meets the preset standard according to the coincidence degree of the contour lines of the impurities in the feed before and after the screening, which is measured by the detection module, or judging the reason why the screening of the feed does not meet the preset standard according to the measured distribution condition of the impurities in the feed.
The acquisition module in the embodiment of the invention is not shown in the figure, the specific structure of the acquisition module is not limited in the embodiment of the invention, and an industrial camera can be adopted.
The detection module and the data analysis module in the embodiment of the invention are not shown in the drawings, the embodiment of the invention does not limit the specific structures of the detection module and the data analysis module, and the embodiment of the invention can be composed of logic components, wherein the logic components comprise field programmable components, computers and microprocessors in the computers.
Fig. 4 is a flowchart showing whether the screening of the feed meets the preset standard according to the present invention.
Specifically, the data analysis module marks the difference between the area ratio of the impurity on the surface of the feed before screening and the area ratio of the impurity on the surface of the feed after screening, which are measured by the detection module, as a first-order difference, and determines whether screening of the feed meets a preset standard or not according to the first-order difference, wherein:
The first judging mode is that the data analysis module judges that screening of the feed meets a preset standard; the first judgment mode meets the condition that the first-level difference value is larger than or equal to a first preset first-level difference value preset in the data analysis module;
The second judging mode is that the data analysis module judges whether the screening of the feed meets the preset standard or not according to the coincidence degree of the contour lines of the impurities in the feed before and after screening, which is measured by the detection module; the second judging mode meets the condition that the first-level difference value is smaller than the first preset first-level difference value and is larger than or equal to a second preset first-level difference value preset in the data analysis module;
The third judging mode is that the data analysis module judges that screening of the feed does not meet a preset standard, and judges the reason that screening of the feed does not meet the preset standard according to the distribution condition of impurities in the feed, which is measured by the detection module; the third judging mode meets the condition that the first-level difference value is smaller than the second preset first-level difference value.
In the embodiment of the invention, the first preset first-level difference value is 0.3, and the second preset first-level difference value is 0.1.
Specifically, the data analysis module determines, according to the coincidence ratio of the contour lines of the impurities in the feed before and after screening measured by the detection module in the second determination mode, whether screening of the feed meets a secondary determination mode of a preset standard, wherein:
The first secondary judgment mode is that the data analysis module judges that screening of the feed does not meet a preset standard, and judges that the reason that screening of the feed does not meet the preset standard is that the viscosity of the feed is higher than the preset standard, and the data analysis module judges that vibration screening treatment is carried out on the feed; the first secondary judgment mode meets the condition that the contact ratio is greater than or equal to a preset contact ratio preset in the data analysis module;
the second secondary judgment mode is that the data analysis module judges that screening of the feed meets a preset standard and judges that the feed is too much stacked, and the data analysis module judges that vibration screening treatment is carried out on the feed; the second secondary judgment mode satisfies that the contact ratio is smaller than the preset contact ratio.
In the embodiment of the invention, the preset contact ratio is 0.89.
Specifically, the data analysis module marks the difference between the contact ratio and the preset contact ratio as a secondary difference value in the first secondary judgment mode, and judges the adjustment mode of the upward moving distance of the vibrating bottom plate in the feed vibrating screening treatment process according to the secondary difference value, wherein:
The first adjusting mode is that the data analyzing module selects a first adjusting coefficient alpha 1 to adjust the distance L of the upward movement of the vibrating bottom plate to a corresponding value, and the adjusted distance L' =alpha 1 multiplied by L0 is set, wherein L0 is the initial distance before adjustment; the first adjustment mode meets the condition that the second-level difference value is smaller than or equal to a preset second-level difference value preset in the data analysis module;
The second adjusting mode is that the data analyzing module selects a second adjusting coefficient alpha 2 to adjust the distance L of the upward movement of the vibrating bottom plate to a corresponding value, and the adjusted distance L' =alpha 2 multiplied by L0 is set; the second adjustment mode satisfies that the second-order difference value is larger than the preset second-order difference value.
In the embodiment of the invention, the first adjustment coefficient α1 is 1.1, and the second adjustment coefficient α2 is 1.2.
Specifically, the data analysis module marks the ratio of the contact ratio to the preset contact ratio as a first-level ratio in the second judging mode, and determines a frequency adjusting mode for vibration of the vibration baseplate in the feed vibration screening treatment process according to the first-level ratio, wherein the frequency adjusting mode comprises a first-level ratio and a second-level ratio;
The first frequency adjusting mode is that the data analysis module selects a first frequency adjusting coefficient beta 1 to adjust the frequency P of vibration of the vibration baseplate in the feed vibration screening treatment process to a corresponding value, and the adjusted frequency P' =beta 1 multiplied by P0 is set, wherein P0 is the initial frequency before adjustment; the first frequency adjustment mode meets the condition that the first-level ratio is smaller than or equal to a preset first-level ratio preset in the data analysis module;
the second frequency adjusting mode is that the data analysis module selects a second frequency adjusting coefficient beta 2 to adjust the frequency P of vibration of the vibration baseplate in the feed vibration screening treatment process to a corresponding value, and the adjusted frequency P' =β1×P0 is set; the second frequency adjustment mode satisfies that the first-order ratio is greater than the preset first-order ratio.
In the embodiment of the invention, the first frequency adjustment coefficient β1 is 1.2, and the second frequency adjustment coefficient β2 is 1.3.
Specifically, the data analysis module determines, in the third determination mode, a reason determination mode for screening the feed that does not meet a preset standard according to the distribution condition of the impurities in the feed after screening, where the distribution condition is measured by the detection module, and the reason determination mode includes:
The first reason judging mode is that the data analysis module judges that the reason that the screening of the feed does not meet the preset standard is that the density of the feed is unequal to that of the impurity; the first cause judgment mode meets the condition that the distribution of impurities in the feed is concentrated;
The second reason judging mode is that the data analysis module judges that the reason that the screening of the feed does not meet the preset standard is that the feed is excessively piled up; the second cause judgment means satisfies the distribution dispersion of the impurities in the feed.
Specifically, the data analysis module is controlled under the first cause judging mode the vibration screening module adopts the preset acceleration to lift up the mixture of the feed and the impurity, the detection module detects the maximum height difference value when the feed and the impurity are lifted up, and the data analysis module determines the screening mode for the feed according to the maximum height difference value, wherein:
The first screening mode is that the data analysis module judges that wind screening treatment is carried out on the feed; the first screening mode meets the condition that the maximum height difference value is larger than or equal to a first preset height difference value preset in the data analysis module;
The second screening mode is that the data analysis module judges that vibration screening treatment is carried out on the feed; the second screening mode meets the condition that the maximum height difference is smaller than the first preset height difference and larger than or equal to a second preset height difference preset in the data analysis module;
The third screening mode is that the data analysis module judges that roller screening treatment is adopted for the feed; the third screening mode meets the condition that the maximum height difference value is smaller than the second preset height difference value.
In the embodiment of the invention, the first preset height difference is 1m, and the second preset height difference is 0.8m.
Specifically, the data analysis module marks the ratio of the first-level difference value to the second preset first-level difference value as a second-level ratio under the second cause judgment mode, and determines a distance adjustment mode for horizontal movement of the screening roller in the feed screening process according to the second-level ratio, wherein:
The first distance adjustment mode is that the data analysis module selects a first distance adjustment coefficient gamma 1 to adjust the horizontal moving distance D of the screening roller to a corresponding value, and the adjusted distance D' =gamma 1 multiplied by D0 is set, wherein D0 is the initial distance before adjustment; the first distance adjustment mode meets the condition that the secondary ratio is smaller than or equal to a preset secondary ratio preset in the data analysis module;
The second distance adjusting mode is that the data analyzing module selects a second distance adjusting coefficient gamma 2 to adjust the distance D of the horizontal movement of the screening roller to a corresponding value, and the adjusted distance D' =gamma 2 multiplied by D0 is set; the second distance adjustment mode meets the condition that the secondary ratio is larger than the preset secondary ratio.
In the embodiment of the invention, the first distance adjustment coefficient gamma 1 is 1.15, and the second distance adjustment coefficient gamma 2 is 1.2.
Specifically, the data analysis module determines a wind speed adjusting mode of the fan in the wind screening treatment process of the feed according to a weight difference value between the weight of the feed sample and the weight of the impurity sample, which are measured by the detection module, in the first screening mode, wherein:
The first wind speed adjusting mode is that the data analyzing module selects a first wind speed adjusting coefficient a1 to adjust the wind speed V of the fan to a corresponding value, and the wind speed V' =a1×v0 after adjustment is set, wherein V0 is the initial wind speed before adjustment; the first wind speed adjusting mode meets the condition that the weight difference value is smaller than or equal to a preset weight difference value preset in the data analysis module;
A second wind speed adjusting mode is that the data analysis module selects a second wind speed adjusting coefficient a2 to adjust the wind speed V of the fan to a corresponding value, and the adjusted wind speed V' =a2×V0 is set; the second wind speed adjusting mode meets the condition that the weight difference value is larger than the preset weight difference value.
In the embodiment of the invention, the first wind speed adjusting coefficient a1 is 1.2, and the second wind speed adjusting coefficient a2 is 1.3.
Specifically, the data analysis module marks the difference between the maximum height difference and the second preset height difference as a three-level difference in the second screening mode, and determines a correction mode of acceleration in the rising process of the vibrating bottom plate in the vibrating screening process of the feed according to the three-level difference, wherein:
The first correction mode is that the data analysis module selects a first correction coefficient b1 to correct the acceleration Q in the rising process of the vibrating bottom plate to a corresponding value, and the corrected acceleration Q' =b1×Q0 is set, wherein Q0 is the initial acceleration before correction; the first correction mode meets the condition that the three-level difference value is smaller than or equal to a preset three-level difference value preset in the data analysis module;
The second correction mode is that the data analysis module selects a second correction coefficient b2 to correct the acceleration Q in the rising process of the vibrating bottom plate to a corresponding value, and the corrected acceleration Q' =b2×Q0 is set; the second correction mode satisfies that the three-level difference is larger than the preset three-level difference.
In the embodiment of the present invention, the first correction coefficient b1 is 1.22, and the second correction coefficient b2 is 1.32.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A screening device for feed processing, comprising:
A roller screening module, comprising:
a first feed port;
the screening roller is connected with the first feed inlet, and a fan is arranged at the right part of the screening roller and is used for rotating the screening roller with different apertures so as to screen feed input by the feed inlet;
the telescopic cross rod is connected with the screening roller and used for fixing the screening roller and controlling the screening roller to horizontally reciprocate;
the first bracket is connected with the telescopic cross rod and used for fixing the telescopic cross rod;
A vibratory screening module, comprising:
a second feed inlet;
the second bracket is connected with the second feeding port and used for fixing the second feeding port;
a screening plate connected to the second support for passing through the second support to isolate the feed from impurities;
a screening plate controller connected to the screening plate and the second bracket for controlling the screening plate to pass through the second bracket at a corresponding height;
The vibration bottom plate is arranged at the lower part of the second bracket and is used for lifting the feed;
the acquisition module is used for acquiring images of the surfaces of the feed before and after screening of the feed which is screened by adopting the roller;
The detection module is connected with the acquisition module and is used for determining the area occupation ratio of the impurities according to the images of the feed surface acquired by the acquisition module, the distribution condition of the impurities in the feed after the roller screening treatment, the coincidence ratio of the contour lines of the impurities in the feed before and after the roller screening treatment, the maximum height difference value between the feed and the impurities when the impurities are lifted, and the weight of a feed sample and the weight of an impurity sample;
The data analysis module is connected with the detection module and is used for judging whether the screening of the feed meets the preset standard according to the change condition of the area ratio of the impurities on the surface of the feed before and after the screening, which is measured by the detection module, and carrying out secondary judgment on whether the screening of the feed meets the preset standard according to the coincidence ratio of the contour lines of the impurities in the feed before and after the screening, which is measured by the detection module, when the screening of the feed does not meet the preset standard, or judging the reason for the screening of the feed not meeting the preset standard according to the measured distribution condition of the impurities in the feed;
the data analysis module marks the difference between the area ratio of the impurity on the surface of the feed before screening and the area ratio of the impurity on the surface of the feed after screening, which are measured by the detection module, as a first-order difference, and determines whether screening of the feed meets a preset standard or not according to the first-order difference, wherein:
The first judging mode is that the data analysis module judges that screening of the feed meets a preset standard; the first judgment mode meets the condition that the first-level difference value is larger than or equal to a first preset first-level difference value preset in the data analysis module;
The second judging mode is that the data analysis module judges whether the screening of the feed meets the preset standard or not according to the coincidence degree of the contour lines of the impurities in the feed before and after screening, which is measured by the detection module; the second judging mode meets the condition that the first-level difference value is smaller than the first preset first-level difference value and is larger than or equal to a second preset first-level difference value preset in the data analysis module;
The third judging mode is that the data analysis module judges that screening of the feed does not meet a preset standard, and judges the reason that screening of the feed does not meet the preset standard according to the distribution condition of impurities in the feed, which is measured by the detection module; the third judging mode meets the condition that the first-level difference value is smaller than the second preset first-level difference value.
2. The screening device for feed processing according to claim 1, wherein the data analysis module judges whether screening of the feed meets a preset standard according to a difference between an area ratio of the impurity on the surface of the feed before screening and an area ratio of the impurity on the surface of the feed after screening, which are measured by the detection module, and when judging that screening of the feed does not meet the preset standard, judges secondarily whether screening of the feed meets the preset standard according to a coincidence ratio of contour lines of the impurity in the feed before and after screening, which is measured by the detection module, or judges a cause of the screening of the feed not meeting the preset standard according to a distribution condition of the impurity in the feed.
3. The screening device for feed processing according to claim 2, wherein the data analysis module, when determining whether the coincidence ratio of the contour lines of the impurities in the feed before and after screening measured by the detection module meets a preset criterion, secondarily determines whether the screening of the feed meets the preset criterion based on the coincidence ratio of the contour lines of the impurities in the feed before and after screening measured, and when determining that the screening of the feed does not meet the preset criterion, determines that the reason why the screening of the feed does not meet the preset criterion is that the viscosity of the feed is higher than the preset criterion, or the data analysis module determines that the feed is excessively piled up when determining that the screening of the feed meets the preset criterion.
4. A screening device for feed processing according to claim 3, wherein the data analysis module is provided with a plurality of adjustment modes for the upward movement distance of the vibration baseplate in the feed vibration screening treatment process based on the overlap ratio when the reason that the screening for feed does not meet the preset standard is determined as that the viscosity of feed is higher than the preset standard, and the adjustment amplitudes of the adjustment modes for the upward movement distance of the vibration baseplate are different.
5. The screening device for feed processing according to claim 4, wherein the data analysis module is provided with a plurality of adjustment modes for the vibration frequency of the vibration baseplate in the feed vibration screening treatment process based on the overlap ratio when the excessive accumulation of the feed is determined, and the adjustment amplitudes of the adjustment modes for the vibration frequency of the vibration baseplate are different.
6. The screening device for feed processing according to claim 5, wherein the data analysis module, when determining that the screening for feed does not meet the predetermined criterion based on the distribution of the impurities in the feed detected by the detection module, determines that the screening for feed does not meet the predetermined criterion based on the detected distribution of the impurities in the feed after screening is due to unequal density of feed and impurities or excessive accumulation of feed.
7. The screening device for feed processing according to claim 6, wherein the data analysis module controls the vibration screening module to raise the mixture of feed and impurity with a predetermined acceleration when it is determined that the screening for feed does not meet the predetermined criterion because the density of feed and impurity is not equal, the detection module detects a maximum height difference between feed and impurity when raised, and the data analysis module determines whether the screening for feed is wind screening or vibration screening, and drum screening based on the maximum height difference.
8. The screening device for feed processing according to claim 7, wherein the data analysis module is provided with a plurality of adjustment modes for the horizontal movement distance of the screening drum in the feed screening process based on the difference between the area ratio of the impurities on the feed surface and the area ratio of the impurities on the feed surface after screening when the reason that the screening for the feed does not meet the preset standard is that the feed is excessively piled up, and the adjustment ranges of the adjustment modes for the horizontal movement distance of the screening drum are different.
9. The screening device for feed processing according to claim 8, wherein the data analysis module is provided with a plurality of adjustment modes for the wind speed of the fan during the wind screening process of the feed based on the weight difference between the weight of the feed sample and the weight of the impurity sample measured by the detection module when determining the wind screening process of the feed, and the adjustment ranges of the adjustment modes for the wind speed are different.
10. The screening device for feed processing according to claim 9, wherein the data analysis module is provided with a plurality of correction modes for acceleration during the rising of the vibrating floor during the vibration screening process of the feed based on the maximum height difference when it is determined that the vibration screening process is performed on the feed, and correction amplitudes of the correction modes for acceleration are different.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0975849A (en) * | 1995-09-12 | 1997-03-25 | Ishikawajima Transport Mach Co Ltd | Rotary screening apparatus |
| CN1623682A (en) * | 2004-12-08 | 2005-06-08 | 西南石油学院 | Intelligent multilayer barrel type net vibrating screen |
| CN204638506U (en) * | 2015-04-13 | 2015-09-16 | 昆明蛮珍生物食品有限公司 | A kind of screening machine for screening corn and pea grain |
| CN108906602A (en) * | 2018-09-12 | 2018-11-30 | 天地（唐山）矿业科技有限公司 | A kind of double-layer banana type vibration flip flop screen |
| CN110404688A (en) * | 2019-07-12 | 2019-11-05 | 塔里木大学 | A kind of machine pick cotton information processing method miscellaneous clearly and device merging electrostatic and wind-force |
| WO2020191786A1 (en) * | 2019-03-22 | 2020-10-01 | 江苏大学 | Three-degree-of-freedom hybrid vibration screening mechanism and control method therefor, and harvester |
| CN211914476U (en) * | 2020-01-07 | 2020-11-13 | 甘肃田艺农牧科技有限公司 | Alfalfa grass meal rotary screen |
| WO2022143274A1 (en) * | 2021-01-04 | 2022-07-07 | 青岛海尔洗衣机有限公司 | Control method for laundry treatment apparatus, and laundry treatment apparatus |
| CN115569834A (en) * | 2022-09-09 | 2023-01-06 | 北京首瑞大同测控技术有限公司 | Grading screening device, screening method and application |
| CN116831307A (en) * | 2023-06-28 | 2023-10-03 | 福建中烟工业有限责任公司 | Tobacco material winnowing impurity-removing process control method and device and storage medium |
| CN117339909A (en) * | 2023-12-04 | 2024-01-05 | 佛山市南海瑞泰机动车报废有限公司 | Sorting method for broken residues of scraped car |
-
2024
- 2024-02-02 CN CN202410146039.8A patent/CN117680367B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0975849A (en) * | 1995-09-12 | 1997-03-25 | Ishikawajima Transport Mach Co Ltd | Rotary screening apparatus |
| CN1623682A (en) * | 2004-12-08 | 2005-06-08 | 西南石油学院 | Intelligent multilayer barrel type net vibrating screen |
| CN204638506U (en) * | 2015-04-13 | 2015-09-16 | 昆明蛮珍生物食品有限公司 | A kind of screening machine for screening corn and pea grain |
| CN108906602A (en) * | 2018-09-12 | 2018-11-30 | 天地（唐山）矿业科技有限公司 | A kind of double-layer banana type vibration flip flop screen |
| WO2020191786A1 (en) * | 2019-03-22 | 2020-10-01 | 江苏大学 | Three-degree-of-freedom hybrid vibration screening mechanism and control method therefor, and harvester |
| CN110404688A (en) * | 2019-07-12 | 2019-11-05 | 塔里木大学 | A kind of machine pick cotton information processing method miscellaneous clearly and device merging electrostatic and wind-force |
| CN211914476U (en) * | 2020-01-07 | 2020-11-13 | 甘肃田艺农牧科技有限公司 | Alfalfa grass meal rotary screen |
| WO2022143274A1 (en) * | 2021-01-04 | 2022-07-07 | 青岛海尔洗衣机有限公司 | Control method for laundry treatment apparatus, and laundry treatment apparatus |
| CN115569834A (en) * | 2022-09-09 | 2023-01-06 | 北京首瑞大同测控技术有限公司 | Grading screening device, screening method and application |
| CN116831307A (en) * | 2023-06-28 | 2023-10-03 | 福建中烟工业有限责任公司 | Tobacco material winnowing impurity-removing process control method and device and storage medium |
| CN117339909A (en) * | 2023-12-04 | 2024-01-05 | 佛山市南海瑞泰机动车报废有限公司 | Sorting method for broken residues of scraped car |
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