CN115990659A - Sweeping and transporting system for molding line sand dust - Google Patents
Sweeping and transporting system for molding line sand dust Download PDFInfo
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- CN115990659A CN115990659A CN202310273834.9A CN202310273834A CN115990659A CN 115990659 A CN115990659 A CN 115990659A CN 202310273834 A CN202310273834 A CN 202310273834A CN 115990659 A CN115990659 A CN 115990659A
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- 239000004576 sand Substances 0.000 title claims abstract description 157
- 239000000428 dust Substances 0.000 title claims abstract description 156
- 238000000465 moulding Methods 0.000 title claims abstract description 19
- 238000010408 sweeping Methods 0.000 title claims description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 292
- 238000005056 compaction Methods 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 30
- 238000007906 compression Methods 0.000 claims description 30
- 230000000007 visual effect Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 108700041286 delta Proteins 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000003110 molding sand Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 244000035744 Hura crepitans Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to the technical field of cleaning and transporting of molding line sand dust, in particular to a cleaning and transporting system for molding line sand dust, which comprises a cleaning device, a storage device and a vision detector, wherein the cleaning device comprises a scraper for cleaning a conveyor belt once and a brush for cleaning the conveyor belt secondarily, the vision detector is used for acquiring images of the sand dust on the conveyor belt to detect the diameter of the sand dust on the conveyor belt and the contour number of the sand dust, the vision detector comprises a first processing unit and a second processing unit which are mutually connected, the first processing unit determines the cleaning difficulty of the sand dust and the adjustment mode of the compaction force of the scraper on the conveyor belt according to the cleaning difficulty of the sand dust, and the second processing unit calculates an adjustment parameter R and adjusts the included angle between the scraper and the conveyor belt and the cleaning frequency of the brush according to the adjustment parameter R. The utility model improves the cleaning effect and the cleaning efficiency of the sand dust on the conveyor belt.
Description
Technical Field
The utility model relates to the technical field of cleaning and transporting of molding line sand dust, in particular to a cleaning and transporting system for molding line sand dust.
Background
In the casting process of the molding sand, more sand dust can be scattered and adsorbed on a conveying roller way, and if the sand is not cleaned timely, the sand box can be transported, and raw material waste can be caused.
Chinese patent publication No.: CN213230368U discloses an improved molding line dust cleaning device, which comprises a transverse frame, a conveying roller, a longitudinal bracket, bottom support legs, a driving motor, a driving wheel, a driven wheel, a driving belt, a dust collecting frame structure, a dust cleaning frame structure, a conveying belt, a transverse fixing plate, a longitudinal connecting frame, a secondary cleaning frame structure with a surface and a power switch, wherein the conveying roller is connected to the left side and the right side of the transverse frame; the longitudinal bracket bolts are arranged at four corners of the lower part of the transverse frame. The rotary cleaning brush is embedded in the lower part of the rotary disc, so that the rotary cleaning brush is driven to rotate by the rotary motor through the rotary disc when the rotary cleaning brush is used, and the upper side surface of the conveying belt is cleaned by the rotary cleaning brush; the side cover is provided with the groove towards one side of the L-shaped connecting frame, so that dust on the upper surface of the conveying belt can be conveniently cleaned in the side cover by the rotary cleaning brush during use, and the dust can be conveniently collected.
However, in actual production, scattered and adsorbed sand dust on the conveyor belt of the molding line has the conditions of different particle sizes of the sand dust and different quantity of the sand dust, but the cleaning device is not adjusted in a targeted manner according to the actual condition of the sand dust on the conveyor belt in the prior art, so that the problems of poor cleaning effect and low efficiency of the sand dust on the conveyor belt are caused.
Disclosure of Invention
Therefore, the utility model provides a cleaning and transporting system for molding line sand dust, which is used for solving the problems of poor cleaning effect and low efficiency of sand dust on a conveying belt in the molding line in the prior art.
To achieve the above object, the present utility model provides a sweeping and transporting system s for molding line sand dust, comprising:
the cleaning device is arranged above the conveyor belt and comprises a scraper for cleaning the conveyor belt once with set compaction force and an included angle and a brush for cleaning the conveyor belt twice with set cleaning frequency;
the storage devices are arranged at positions, opposite to the cleaning devices, on two sides of the conveyor belt and used for collecting sand dust cleaned by the cleaning devices;
the visual detector is arranged above the conveyor belt and is arranged in parallel with the cleaning device, and is used for acquiring images of the sand dust on the conveyor belt so as to detect the diameter of the sand dust on the conveyor belt and the contour number of the sand dust;
the central control processor is respectively connected with the visual detector and the cleaning device and comprises a first processing unit and a second processing unit which are mutually connected, wherein,
the first processing unit classifies the sand dust according to the diameter of the sand dust, calculates the duty ratio of each sand dust according to the contour quantity of each sand dust so as to determine the cleaning difficulty of the sand dust, and determines the adjustment mode of the compaction force of the scraper on the conveyor belt according to the cleaning difficulty of the sand dust;
the second processing unit determines the cleaning quantity of the sand dust according to the contour quantity of the sand dust so as to calculate an adjusting parameter R, and adjusts the included angle between the scraper and the conveyor belt and the cleaning frequency of the hairbrush according to the adjusting parameter R.
Further, a first preset diameter D1 and a second preset diameter D2 are arranged in the first processing unit, D1 is smaller than D2, the first processing unit respectively compares the diameter D of the detected sand dust with the diameters D1 and D2,
under the first diameter comparison result, the first processing unit judges that the sand dust corresponding to the diameter D is the first type of sand dust;
under the second diameter comparison result, the first processing unit judges that the sand dust corresponding to the diameter D is the second type of sand dust;
under the third diameter comparison result, the first processing unit judges that the sand dust corresponding to the diameter D is a third type of sand dust;
the first diameter comparison result meets D2 or more, the second diameter comparison result meets D1 or less and D2 or less, and the third diameter comparison result meets D1 or less.
Further, the first processing unit calculates the duty ratio Bi of each type of sand dust according to the obtained contour quantity of the sand dust, and sets
，
Where N0 is the total number of sand contours, ni is the number of contours of any type of sand, i=1, 2,3.
Further, the first processing unit determines the difficulty of cleaning the sand dust according to the proportion Bi of various sand dust, wherein,
if B1 is more than or equal to 0.5 or B1+B2 is more than or equal to 0.6, the first treatment unit judges that the cleaning difficulty of the sand dust is the first cleaning difficulty;
if B3 is more than or equal to 0.7, the first processing unit judges that the cleaning difficulty of the sand dust is the third cleaning difficulty;
in other cases, the first processing unit judges that the cleaning difficulty of the sand dust is second cleaning difficulty;
wherein B1 is the duty ratio of the first type of dust, B2 is the duty ratio of the second type of dust, and B3 is the duty ratio of the third type of dust, b1+b2+b3=1.
Further, the first processing unit determines the adjustment mode of the pressing force of the scraper on the conveyor belt according to the cleaning difficulty of the sand dust, wherein,
the first compression force adjusting mode is that a first force adjusting coefficient alpha 1 is selected to adjust the compression force to a first compression force L1, and L1=L0×alpha 1 is set;
the second compression force adjusting mode is that a second force adjusting coefficient alpha 2 is selected to adjust the compression force to a second compression force L2, and L2=L0×alpha 2 is set;
the third compression force adjusting mode is that a third force adjusting coefficient alpha 3 is selected to adjust the compression force to a third compression force L3, and L3=L0×alpha 3 is set;
wherein L0 is preset compression force, and alpha 3 is more than 1.2 and alpha 2 is more than 1 and less than 1.5;
the first dynamics regulation mode that compresses tightly satisfies and cleans the degree of difficulty for first cleaning the degree of difficulty, and the second dynamics regulation mode that compresses tightly satisfies and cleans the degree of difficulty for the second and cleans the degree of difficulty, and the third compresses tightly the dynamics regulation mode and satisfies and clean the degree of difficulty for the third and clean the degree of difficulty.
Further, a first preset number M1 and a second preset number M2 are arranged in the second processing unit, M1 is smaller than M2, the second processing unit respectively compares the total number N0 of the sand and dust outlines with M1 and M2 to determine the cleaning number of the sand and dust,
in the first quantity comparison result, the second processing unit judges that the cleaning quantity of the sand dust is the first cleaning quantity;
in the second quantity comparison result, the second processing unit judges that the cleaning quantity of the sand dust is the second cleaning quantity;
in the third quantity comparison result, the second processing unit judges that the cleaning quantity of the sand dust is the third cleaning quantity;
the first quantity comparison result meets N0 not less than M2, the second quantity comparison result meets M1 not less than N0 < M2, and the third quantity comparison result meets N0 < M1.
Further, the second processing unit calculates an adjustment parameter R according to the cleaning difficulty and the cleaning quantity, and sets
，
Wherein Ex is a cleaning difficulty parameter, qy is a cleaning quantity parameter, f1 is a weight coefficient of the cleaning difficulty, f2 is a weight coefficient of the cleaning quantity, and f1+f2=1.
Further, the second processing unit determines the values of the cleaning difficulty parameter Ex and the cleaning quantity parameter Qy according to the cleaning difficulty and the cleaning quantity, wherein,
if the cleaning difficulty is the first cleaning difficulty, the second processing unit adjusts the cleaning difficulty parameter to E1 according to the first cleaning difficulty parameter adjusting coefficient gamma 1, and E1 = E0×gamma 1 is set;
if the cleaning difficulty is the second cleaning difficulty, the second processing unit adjusts the cleaning difficulty parameter to E2 according to a second cleaning difficulty parameter adjusting coefficient gamma 2, and E2 = E0×gamma 2 is set;
if the cleaning difficulty is the third cleaning difficulty, the second processing unit adjusts the cleaning difficulty parameter to E3 according to a third cleaning difficulty parameter adjusting coefficient gamma 3, and E3 = E0×gamma 3 is set;
if the cleaning quantity is the first cleaning quantity, the second processing unit adjusts the cleaning quantity parameter to be Q1 according to the first cleaning quantity parameter adjusting coefficient delta 1, and the Q1=Q0×δ1 is set;
if the cleaning quantity is the second cleaning quantity, the second processing unit adjusts the cleaning quantity parameter to Q2 according to a second cleaning quantity parameter adjusting coefficient delta 2, and the Q2 = Q0 x delta 2 is set;
if the cleaning quantity is the third cleaning quantity, the second processing unit adjusts the cleaning quantity parameter to Q3 according to a third cleaning quantity parameter adjusting coefficient delta 3, and the Q3=Q0×delta 3 is set;
Further, a first preset comparison parameter R1 and a second preset comparison parameter R2 are arranged in the second processing unit, R1 is smaller than R2, the second processing unit respectively compares the adjustment parameter R with R1 and R2 to determine the adjustment mode of the included angle between the scraper and the conveyor belt, wherein,
the first included angle adjusting mode is that a first included angle adjusting coefficient beta 1 is selected to adjust the included angle to a first included angle J1, and J1=J0×beta 1 is set;
the second included angle adjusting mode is that a second included angle adjusting coefficient beta 2 is selected to adjust the included angle to a second included angle J2, and J2=J0×beta 2 is set;
the third included angle adjusting mode is that a third included angle adjusting coefficient beta 3 is selected to adjust the included angle to a third included angle J3, and J3=J0×beta 3 is set;
the first included angle adjusting mode meets R more than or equal to R2, the second included angle adjusting mode meets R1 less than or equal to R2, the third included angle adjusting mode meets R1 less than or equal to R1,1 < beta 3 < beta 2 < beta 1 < 1.3.
Further, the second processing unit determines the adjustment mode of the cleaning frequency of the hairbrush according to the comparison result of the adjustment parameter R and the first preset comparison parameter R1 and the second preset comparison parameter R2, wherein,
if R is more than or equal to R2, the second processing unit sets the cleaning frequency of the hairbrush as a first cleaning frequency P1, and sets P1=P0+p0×R/R2;
if R1 is less than or equal to R2, the second processing unit sets the cleaning frequency of the hairbrush as a second cleaning frequency P2, and sets P2=P0;
if R < R1, the second processing unit sets the cleaning frequency of the hairbrush as a third cleaning frequency P3, and sets P3=P0-p0×R/R1;
wherein, P0 is the preset cleaning frequency, and P0 is the preset cleaning frequency adjustment amount.
Compared with the prior art, the utility model has the beneficial effects that the dust cleaning quantity and the dust cleaning difficulty on the conveyor belt are obtained, so that the pressing force of the scraper is regulated in real time according to the actual condition of the dust on the conveyor belt, and meanwhile, the included angle between the scraper and the conveyor belt and the cleaning frequency of the hairbrush are regulated.
Further, the visual detector is arranged to acquire images of the sand and dust on the conveyor belt to detect the diameter of the sand and dust on the conveyor belt and the contour quantity of the sand and dust, so that the cleaning difficulty and the cleaning quantity of the sand and dust are determined, and the cleaning effect and the cleaning efficiency of the sand and dust on the conveyor belt are further improved.
Further, the first processing unit calculates the compaction force of the scraper on the conveyor belt according to the corresponding force adjustment coefficient according to the cleaning difficulty, and adjusts the compaction force in real time according to the actual condition of sand dust, when the cleaning difficulty is high, if the cleaning difficulty is the first cleaning difficulty, the compaction force is adjusted to a high value so as to improve the cleaning effect and the cleaning efficiency of the sand dust on the conveyor belt, and when the cleaning difficulty is low, if the cleaning difficulty is the third cleaning difficulty, the compaction force is adjusted to a low value so as to save energy consumption.
Further, according to the utility model, the adjusting parameter R is calculated according to the cleaning difficulty and the cleaning quantity, and when the adjusting parameter R is larger, the cleaning workload is larger, the included angle between the scraper and the conveyor belt is adjusted to a larger value, meanwhile, the cleaning frequency of the brush is adjusted to a larger value, so that the cleaning effect and the cleaning efficiency of sand dust on the conveyor belt are improved, and when the adjusting parameter R is smaller, the included angle between the scraper and the conveyor belt is adjusted to a smaller value, and meanwhile, the cleaning frequency of the brush is adjusted to a smaller value, so that the energy consumption is saved.
Drawings
FIG. 1 is a top view of a sweeping and transporting system for molding line sand dust according to an embodiment of the present utility model;
in the figure: 1. a conveyor belt; 2. a slide rail; 3. a scraper; 4. a storage device; 5. a brush; 6. a negative pressure fan; 7. a visual detector.
Detailed Description
In order that the objects and advantages of the utility model will become more apparent, the utility model 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 utility model.
Preferred embodiments of the present utility model 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 utility model, and are not intended to limit the scope of the present utility model.
It should be noted that, in the description of the present utility model, 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 utility model.
Furthermore, it should be noted that, in the description of the present utility model, 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 utility model can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a schematic structural diagram of a cleaning and transporting system for molding line sand dust according to an embodiment of the present utility model, the cleaning and transporting system for molding line sand dust according to the present utility model includes:
the cleaning device is arranged above the conveyor belt 1 and comprises a scraper 3 for cleaning the conveyor belt 1 once with a set compaction force and an included angle and a brush 5 for cleaning the conveyor belt 1 twice with a set cleaning frequency;
a slide rail 2 is arranged above the conveyor belt 1, and a scraper 3 can reciprocate along the slide rail 2 so as to scrape sand dust on the conveyor belt 1;
the negative pressure fan 6 is arranged at one side of the hairbrush 5 and is used for sucking away sand and dust brushed up by the hairbrush 5;
a storage device 4 which is arranged at the opposite positions of the two sides of the conveyor belt 1 and is used for collecting the sand dust cleaned by the cleaning device;
the transporting device (not shown in the drawing) is connected to the storage device 4, and is used for transporting the sand dust collected by the storage device 4, so that the transporting device is not specifically limited in this embodiment, and the transporting function can be realized.
A visual detector 7, which is arranged above the conveyor belt 1 and is arranged in parallel with the cleaning device, and is used for acquiring images of the sand dust on the conveyor belt 1 so as to detect the diameter of the sand dust and the contour number of the sand dust on the conveyor belt 1;
a central processor (not shown) connected to the vision detector 7 and the cleaning device, respectively, comprising a first processing unit and a second processing unit in communication with each other, wherein,
the first processing unit classifies the sand dust according to the diameter of the sand dust, calculates the duty ratio of each sand dust according to the contour quantity of each sand dust so as to determine the cleaning difficulty of the sand dust, and determines the adjustment mode of the pressing force of the scraper 3 on the conveyor belt 1 according to the cleaning difficulty of the sand dust;
the second processing unit determines the cleaning quantity of the sand dust according to the contour quantity of the sand dust to calculate an adjusting parameter R, and adjusts the included angle between the scraper 3 and the conveyor belt 1 and the cleaning frequency of the hairbrush 5 according to the adjusting parameter R.
According to the utility model, the cleaning quantity and the cleaning difficulty of the sand dust on the conveyor belt are obtained, so that the pressing force of the scraper is regulated in real time according to the actual condition of the sand dust on the conveyor belt, and meanwhile, the included angle between the scraper and the conveyor belt and the cleaning frequency of the hairbrush are regulated.
Specifically, a first preset diameter D1 and a second preset diameter D2 are arranged in the first processing unit, D1 is smaller than D2, the first processing unit respectively compares the diameter D of the detected sand dust with the diameters D1 and D2,
under the first diameter comparison result, the first processing unit judges that the sand dust corresponding to the diameter D is the first type of sand dust;
under the second diameter comparison result, the first processing unit judges that the sand dust corresponding to the diameter D is the second type of sand dust;
under the third diameter comparison result, the first processing unit judges that the sand dust corresponding to the diameter D is a third type of sand dust;
the first diameter comparison result meets D2 or more, the second diameter comparison result meets D1 or less and D2 or less, and the third diameter comparison result meets D1 or less.
In practical application, according to the particle size of the main component of the molding sand, the molding sand may be divided into five groups, i.e., extra coarse sand, medium sand, fine sand, extra fine sand, and the values of the first preset diameter D1 and the second preset diameter D2 may be set according to actual needs, which is not specifically limited in this embodiment.
Specifically, the first processing unit calculates the duty ratio Bi of each type of sand dust according to the obtained contour quantity of the sand dust, and sets
，
Where N0 is the total number of sand contours, ni is the number of contours of any type of sand, i=1, 2,3.
Specifically, the first processing unit determines the difficulty in cleaning the sand dust according to the proportion Bi of various sand dust, wherein,
if B1 is more than or equal to 0.5 or B1+B2 is more than or equal to 0.6, the first treatment unit judges that the cleaning difficulty of the sand dust is the first cleaning difficulty;
if B3 is more than or equal to 0.7, the first processing unit judges that the cleaning difficulty of the sand dust is the third cleaning difficulty;
in other cases, the first processing unit judges that the cleaning difficulty of the sand dust is second cleaning difficulty;
wherein B1 is the duty ratio of the first type of dust, B2 is the duty ratio of the second type of dust, and B3 is the duty ratio of the third type of dust, b1+b2+b3=1.
In particular, the first processing unit determines the adjustment mode of the pressing force of the scraper 3 on the conveyor belt 1 according to the cleaning difficulty of the sand dust, wherein,
the first compression force adjusting mode is that a first force adjusting coefficient alpha 1 is selected to adjust the compression force to a first compression force L1, and L1=L0×alpha 1 is set;
the second compression force adjusting mode is that a second force adjusting coefficient alpha 2 is selected to adjust the compression force to a second compression force L2, and L2=L0×alpha 2 is set;
the third compression force adjusting mode is that a third force adjusting coefficient alpha 3 is selected to adjust the compression force to a third compression force L3, and L3=L0×alpha 3 is set;
wherein L0 is preset compression force, L0 is more than 100N and less than 1000N, alpha 3 is more than 1.2 and alpha 2 is more than 1 and less than 1.5;
the first dynamics regulation mode that compresses tightly satisfies and cleans the degree of difficulty for first cleaning the degree of difficulty, and the second dynamics regulation mode that compresses tightly satisfies and cleans the degree of difficulty for the second and cleans the degree of difficulty, and the third compresses tightly the dynamics regulation mode and satisfies and clean the degree of difficulty for the third and clean the degree of difficulty.
According to the utility model, the first processing unit calculates the compaction force of the scraper on the conveyor belt according to the corresponding force adjustment coefficient according to the cleaning difficulty, and adjusts the compaction force in real time according to the actual condition of sand dust, when the cleaning difficulty is high, if the cleaning difficulty is the first cleaning difficulty, the compaction force is adjusted to a high value so as to improve the cleaning effect and the cleaning efficiency of the sand dust on the conveyor belt, and when the cleaning difficulty is low, if the cleaning difficulty is the third cleaning difficulty, the compaction force is adjusted to a low value so as to save energy consumption.
Specifically, a first preset number M1 and a second preset number M2 are arranged in the second processing unit, wherein 5000 is smaller than M1 and M2 is smaller than 20000, the second processing unit respectively compares the total number N0 of the sand and dust outlines with M1 and M2 to determine the cleaning number of the sand and dust,
in the first quantity comparison result, the second processing unit judges that the cleaning quantity of the sand dust is the first cleaning quantity;
in the second quantity comparison result, the second processing unit judges that the cleaning quantity of the sand dust is the second cleaning quantity;
in the third quantity comparison result, the second processing unit judges that the cleaning quantity of the sand dust is the third cleaning quantity;
the first quantity comparison result meets N0 not less than M2, the second quantity comparison result meets M1 not less than N0 < M2, and the third quantity comparison result meets N0 < M1.
According to the utility model, the visual detector is arranged to acquire the images of the sand and dust on the conveyor belt so as to detect the diameter of the sand and dust on the conveyor belt and the contour quantity of the sand and dust, so that the cleaning difficulty and the cleaning quantity of the sand and dust are determined, and the cleaning effect and the cleaning efficiency of the sand and dust on the conveyor belt are further improved.
Specifically, the second processing unit calculates the adjustment parameter R according to the cleaning difficulty and the cleaning number, and sets
，
Wherein Ex is a cleaning difficulty parameter, qy is a cleaning quantity parameter, f1 is a weight coefficient of cleaning difficulty, f2 is a weight coefficient of cleaning quantity, f1 is more than 0.25 and less than 0.45,0.6 and less than f2 and less than 0.8, and f1+f2=1.
Specifically, the second processing unit determines values of a cleaning difficulty parameter Ex and a cleaning quantity parameter Qy according to the cleaning difficulty and the cleaning quantity, wherein,
if the cleaning difficulty is the first cleaning difficulty, the second processing unit adjusts the cleaning difficulty parameter to E1 according to the first cleaning difficulty parameter adjusting coefficient gamma 1, and E1 = E0×gamma 1 is set;
if the cleaning difficulty is the second cleaning difficulty, the second processing unit adjusts the cleaning difficulty parameter to E2 according to a second cleaning difficulty parameter adjusting coefficient gamma 2, and E2 = E0×gamma 2 is set;
if the cleaning difficulty is the third cleaning difficulty, the second processing unit adjusts the cleaning difficulty parameter to E3 according to a third cleaning difficulty parameter adjusting coefficient gamma 3, and E3 = E0×gamma 3 is set;
if the cleaning quantity is the first cleaning quantity, the second processing unit adjusts the cleaning quantity parameter to be Q1 according to the first cleaning quantity parameter adjusting coefficient delta 1, and the Q1=Q0×δ1 is set;
if the cleaning quantity is the second cleaning quantity, the second processing unit adjusts the cleaning quantity parameter to Q2 according to a second cleaning quantity parameter adjusting coefficient delta 2, and the Q2 = Q0 x delta 2 is set;
if the cleaning quantity is the third cleaning quantity, the second processing unit adjusts the cleaning quantity parameter to Q3 according to a third cleaning quantity parameter adjusting coefficient delta 3, and the Q3=Q0×delta 3 is set;
Specifically, a first preset comparison parameter R1 and a second preset comparison parameter R2 are arranged in the second processing unit, R1 is smaller than R2, the second processing unit respectively compares the adjustment parameter R with R1 and R2 to determine the adjustment mode of the included angle between the scraper 3 and the conveyor belt 1, wherein,
the first included angle adjusting mode is that a first included angle adjusting coefficient beta 1 is selected to adjust the included angle to a first included angle J1, and J1=J0×beta 1 is set;
the second included angle adjusting mode is that a second included angle adjusting coefficient beta 2 is selected to adjust the included angle to a second included angle J2, and J2=J0×beta 2 is set;
the third included angle adjusting mode is that a third included angle adjusting coefficient beta 3 is selected to adjust the included angle to a third included angle J3, and J3=J0×beta 3 is set;
the first included angle adjusting mode meets R more than or equal to R2, the second included angle adjusting mode meets R1 less than or equal to R2, the third included angle adjusting mode meets R1 less than or equal to R1,1 < beta 3 < beta 2 < beta 1 < 1.3.
Specifically, the second processing unit determines the adjustment mode of the cleaning frequency of the brush 5 according to the comparison result of the adjustment parameter R with the first preset comparison parameter R1 and the second preset comparison parameter R2, wherein,
if R is more than or equal to R2, the second processing unit sets the cleaning frequency of the hairbrush 5 as a first cleaning frequency P1, and sets P1=P0+p0×R/R2;
if R1 is less than or equal to R2, the second processing unit sets the cleaning frequency of the hairbrush 5 as a second cleaning frequency P2, and sets P2=P0;
if R < R1, the second processing unit sets the cleaning frequency of the brush 5 to a third cleaning frequency P3, and sets p3=p0-p0×r/R1;
wherein P0 is a preset cleaning frequency, 60 times/min < P0 < 100 times/min, and P0 is a preset cleaning frequency adjustment quantity, and P0 is more than 10 times/min and less than 20 times/min.
According to the utility model, the adjusting parameter R is calculated according to the cleaning difficulty and the cleaning quantity, and is a characteristic parameter of the cleaning workload, when the adjusting parameter R is larger, the cleaning workload is larger, the included angle between the scraper and the conveyor belt is adjusted to a larger value, meanwhile, the cleaning frequency of the hairbrush is adjusted to a larger value, so that the cleaning effect and the cleaning efficiency of sand dust on the conveyor belt are improved, when the adjusting parameter R is smaller, the cleaning workload is smaller, the included angle between the scraper and the conveyor belt is adjusted to a smaller value, and meanwhile, the cleaning frequency of the hairbrush is adjusted to a smaller value, so that the energy consumption is saved.
Thus far, the technical solution of the present utility model 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 utility model 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 utility model, and such modifications and substitutions will be within the scope of the present utility model.
The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the utility model; various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A sweeping and transporting system for molding line sand dust, comprising:
the cleaning device is arranged above the conveyor belt and comprises a scraper for cleaning the conveyor belt once with set compaction force and an included angle and a brush for cleaning the conveyor belt twice with set cleaning frequency;
the storage devices are arranged at positions opposite to the cleaning devices on two sides of the conveyor belt and used for collecting sand dust cleaned by the cleaning devices;
the visual detector is arranged above the conveyor belt and is arranged in parallel with the cleaning device, and is used for acquiring images of the sand dust on the conveyor belt so as to detect the diameter of the sand dust on the conveyor belt and the contour number of the sand dust;
the central control processor is respectively connected with the visual detector and the cleaning device and comprises a first processing unit and a second processing unit which are mutually connected, wherein,
the first processing unit classifies the sand dust according to the diameter of the sand dust, calculates the duty ratio of each sand dust according to the contour quantity of each sand dust so as to determine the cleaning difficulty of the sand dust, and determines the adjustment mode of the pressing force of the scraper on the conveyor belt according to the cleaning difficulty of the sand dust;
the second processing unit determines the sweeping quantity of the sand dust according to the contour quantity of the sand dust so as to calculate an adjusting parameter R, and adjusts the included angle between the scraper and the conveyor belt and the sweeping frequency of the hairbrush according to the adjusting parameter R.
2. The system according to claim 1, wherein the first processing unit has a first preset diameter D1 and a second preset diameter D2, D1 < D2, and the first processing unit compares the diameter D of the detected sand with D1 and D2,
under the first diameter comparison result, the first processing unit judges that the sand dust corresponding to the diameter D is the first type of sand dust;
under the second diameter comparison result, the first processing unit judges that the sand dust corresponding to the diameter D is the second type of sand dust;
under the third diameter comparison result, the first processing unit judges that the sand dust corresponding to the diameter D is a third type of sand dust;
the first diameter comparison result meets D2 or more, the second diameter comparison result meets D1 or less and D2 or less, and the third diameter comparison result meets D1 or less.
3. The cleaning and transporting system for molding line sand as set forth in claim 2, wherein said first processing unit calculates the ratio Bi of each type of sand based on the number of contours of the obtained sand, and sets
Where N0 is the total number of sand contours, ni is the number of contours of any type of sand, i=1, 2,3.
4. The cleaning and transporting system for molding line sand dust according to claim 3, wherein said first processing unit determines a difficulty in cleaning the sand dust based on a ratio Bi of each type of sand dust,
if B1 is more than or equal to 0.5 or B1+B2 is more than or equal to 0.6, the first treatment unit judges that the cleaning difficulty of the sand dust is the first cleaning difficulty;
if B3 is more than or equal to 0.7, the first processing unit judges that the cleaning difficulty of the sand dust is the third cleaning difficulty;
in other cases, the first processing unit judges that the cleaning difficulty of the sand dust is second cleaning difficulty;
wherein B1 is the duty ratio of the first type of dust, B2 is the duty ratio of the second type of dust, and B3 is the duty ratio of the third type of dust, b1+b2+b3=1.
5. The system according to claim 4, wherein the first processing unit determines a manner of adjusting a pressing force of the scraper to the conveyor belt according to a difficulty in cleaning the sand, wherein,
the first compression force adjusting mode is that a first force adjusting coefficient alpha 1 is selected to adjust the compression force to a first compression force L1, and L1=L0×alpha 1 is set;
the second compression force adjusting mode is that a second force adjusting coefficient alpha 2 is selected to adjust the compression force to a second compression force L2, and L2=L0×alpha 2 is set;
the third compression force adjusting mode is that a third force adjusting coefficient alpha 3 is selected to adjust the compression force to a third compression force L3, and L3=L0×alpha 3 is set;
wherein L0 is preset compression force, and alpha 3 is more than 1.2 and alpha 2 is more than 1 and less than 1.5;
the first dynamics regulation mode that compresses tightly satisfies and cleans the degree of difficulty for first cleaning the degree of difficulty, and the second dynamics regulation mode that compresses tightly satisfies and cleans the degree of difficulty for the second and cleans the degree of difficulty, and the third compresses tightly the dynamics regulation mode and satisfies and clean the degree of difficulty for the third and clean the degree of difficulty.
6. The system according to claim 5, wherein the second processing unit has a first preset number M1 and a second preset number M2, M1 < M2, and the second processing unit compares the total number N0 of the sand contours with M1 and M2 to determine the cleaning amount of the sand,
in the first quantity comparison result, the second processing unit judges that the cleaning quantity of the sand dust is the first cleaning quantity;
in the second quantity comparison result, the second processing unit judges that the cleaning quantity of the sand dust is the second cleaning quantity;
in the third quantity comparison result, the second processing unit judges that the cleaning quantity of the sand dust is the third cleaning quantity;
the first quantity comparison result meets N0 not less than M2, the second quantity comparison result meets M1 not less than N0 < M2, and the third quantity comparison result meets N0 < M1.
7. The clean transportation system for molding line sand dust of claim 6, wherein the second processing unit is according to cleanDifficulty and cleaning quantity are calculated and adjusted parameter R is set
Wherein Ex is a cleaning difficulty parameter, qy is a cleaning quantity parameter, f1 is a weight coefficient of the cleaning difficulty, f2 is a weight coefficient of the cleaning quantity, and f1+f2=1.
8. The system according to claim 7, wherein the second processing unit determines values of a cleaning difficulty parameter Ex and a cleaning quantity parameter Qy according to the cleaning difficulty and the cleaning quantity,
if the cleaning difficulty is the first cleaning difficulty, the second processing unit adjusts the cleaning difficulty parameter to E1 according to the first cleaning difficulty parameter adjusting coefficient gamma 1, and E1 = E0×gamma 1 is set;
if the cleaning difficulty is the second cleaning difficulty, the second processing unit adjusts the cleaning difficulty parameter to E2 according to a second cleaning difficulty parameter adjusting coefficient gamma 2, and E2 = E0×gamma 2 is set;
if the cleaning difficulty is the third cleaning difficulty, the second processing unit adjusts the cleaning difficulty parameter to E3 according to a third cleaning difficulty parameter adjusting coefficient gamma 3, and E3 = E0×gamma 3 is set;
if the cleaning quantity is the first cleaning quantity, the second processing unit adjusts the cleaning quantity parameter to be Q1 according to the first cleaning quantity parameter adjusting coefficient delta 1, and the Q1=Q0×δ1 is set;
if the cleaning quantity is the second cleaning quantity, the second processing unit adjusts the cleaning quantity parameter to Q2 according to a second cleaning quantity parameter adjusting coefficient delta 2, and the Q2 = Q0 x delta 2 is set;
if the cleaning quantity is the third cleaning quantity, the second processing unit adjusts the cleaning quantity parameter to Q3 according to a third cleaning quantity parameter adjusting coefficient delta 3, and the Q3=Q0×delta 3 is set;
gamma 3 is more than gamma 2 and less than gamma 1, delta 3 is more than delta 2 and less than delta 1, E0 is a preset cleaning difficulty parameter, and Q0 is a preset cleaning quantity parameter.
9. The cleaning and transporting system for molding line sand dust according to claim 8, wherein a first preset contrast parameter R1 and a second preset contrast parameter R2, R1 < R2 are provided in the second processing unit, the second processing unit compares the adjustment parameter R with R1 and R2 respectively to determine an adjustment mode of an included angle between the scraper and the conveyor belt, wherein,
the first included angle adjusting mode is that a first included angle adjusting coefficient beta 1 is selected to adjust the included angle to a first included angle J1, and J1=J0×beta 1 is set;
the second included angle adjusting mode is that a second included angle adjusting coefficient beta 2 is selected to adjust the included angle to a second included angle J2, and J2=J0×beta 2 is set;
the third included angle adjusting mode is that a third included angle adjusting coefficient beta 3 is selected to adjust the included angle to a third included angle J3, and J3=J0×beta 3 is set;
the first included angle adjusting mode meets R more than or equal to R2, the second included angle adjusting mode meets R1 less than or equal to R2, the third included angle adjusting mode meets R1 less than or equal to R1,1 < beta 3 < beta 2 < beta 1 < 1.3.
10. The system according to claim 9, wherein the second processing unit determines a manner of adjusting the sweeping frequency of the brush based on a comparison result of the adjustment parameter R with the first preset comparison parameter R1 and the second preset comparison parameter R2,
if R is more than or equal to R2, the second processing unit sets the cleaning frequency of the hairbrush as a first cleaning frequency P1, and sets P1=P0+p0×R/R2;
if R1 is less than or equal to R2, the second processing unit sets the cleaning frequency of the hairbrush as a second cleaning frequency P2, and sets P2=P0;
if R < R1, the second processing unit sets the cleaning frequency of the hairbrush as a third cleaning frequency P3, and sets P3=P0-p0×R/R1;
wherein, P0 is the preset cleaning frequency, and P0 is the preset cleaning frequency adjustment amount.
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Denomination of invention: A cleaning and transportation system for sand and dust on molding lines Effective date of registration: 20231127 Granted publication date: 20230606 Pledgee: Weifang branch of Bank of Beijing Co.,Ltd. Pledgor: WEIFANG KAILONG MACHINERY Co.,Ltd. Registration number: Y2023980067868 |