CN112207039A - Adjustable wind pulling mechanism for deashing of vibrating chaff screening machine - Google Patents
Adjustable wind pulling mechanism for deashing of vibrating chaff screening machine Download PDFInfo
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- CN112207039A CN112207039A CN202011042344.0A CN202011042344A CN112207039A CN 112207039 A CN112207039 A CN 112207039A CN 202011042344 A CN202011042344 A CN 202011042344A CN 112207039 A CN112207039 A CN 112207039A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
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Abstract
The invention discloses an adjustable air-pulling mechanism for deashing of a vibrating bran screening machine, which is used for adjusting the air-pulling mechanism to avoid the problem that bran is adsorbed away or dust in bran raw materials is incompletely adsorbed due to overlarge or undersize of a relative through hole in the air-pulling mechanism; according to the invention, the output power of the fan and the number of the pixel lattices are analyzed to obtain the analysis area, the analysis area is compared with the area of the relative through hole in the wind pulling mechanism, then the wind pulling mechanism is controlled and adjusted through the processor, so that the area of the relative through hole is adjusted, the dust in the bran raw material is conveniently adsorbed, and the phenomenon that the bran is adsorbed away or the dust in the bran raw material is incompletely adsorbed due to the fact that the area of the relative through hole in the wind pulling mechanism is too large or too small is avoided.
Description
Technical Field
The invention relates to the technical field of wind power adjusting mechanisms of vibrating bran screening machines, in particular to an adjustable wind pulling mechanism for deashing of a vibrating bran screening machine.
Background
Bran, which is meant for its meaning the hull of the grain, a part of the whole grain, belongs to the outer layer of the seed. The rice containing bran is coarse rice, while the rice without bran is refined rice, and the bran is the usable part of the whole grain.
The air-pulling mechanism of the existing vibrating bran screening machine cannot be intelligently adjusted to avoid the adjustment of the area of a relative through hole in the air-pulling mechanism, and the problems of incomplete dust adsorption and bran adsorption in bran raw materials exist.
Disclosure of Invention
The invention aims to solve the problems that the bran is adsorbed away or the dust in the bran raw material is incompletely adsorbed due to the fact that the area of a relative through hole in an air-pulling mechanism is too large or too small when the air-pulling mechanism is adjusted, and provides an adjustable air-pulling mechanism for deashing of a vibrating bran screening machine; according to the invention, the output power of the fan and the number of the pixel lattices are analyzed to obtain the analysis area, the analysis area is compared with the area of the relative through hole in the wind pulling mechanism, then the wind pulling mechanism is controlled and adjusted through the processor, so that the area of the relative through hole is adjusted, the dust in the bran raw material is conveniently adsorbed, and the phenomenon that the bran is adsorbed away or the dust in the bran raw material is incompletely adsorbed due to the fact that the area of the relative through hole in the wind pulling mechanism is too large or too small is avoided.
The purpose of the invention can be realized by the following technical scheme: the device comprises a data acquisition module, a processor, a data storage module, a data analysis module, a fan and an air-pulling mechanism arranged in a vibrating bran screening machine;
the wind pulling mechanism comprises a baffle plate, a mounting groove is formed in the baffle plate, a moving plate is slidably mounted in the mounting groove, a connecting strip is fixedly mounted at one end of the moving plate through a bolt, an air cylinder is mounted on the side wall of one side of the baffle plate, and the top end of a piston rod of the air cylinder is fixedly connected with the connecting strip through welding; the upper end face of the baffle is provided with a rectangular groove communicated with the mounting groove, the movable plate is evenly provided with a plurality of first air holes, and the bottom end face of the mounting groove is evenly provided with a plurality of second air holes in one-to-one correspondence with the first air holes.
Preferably, the fan is in through connection with an air pipe of the vibrating bran screening machine through a pipeline, wherein the bottom end of the air pipe is positioned right above the air pulling mechanism, and the fan is used for sucking dust in bran raw materials below the air pulling mechanism and conveying the sucked dust into the dust collecting box;
the data acquisition module is used for acquiring pictures in the dust collection box, the output power of the fan and the area of a relative through hole of the second air hole and the first air hole in the vertical direction and sending the pictures, the output power and the area of the relative through hole to the processor;
the processor receives the picture, the output power and the area of the relative through hole and then sends the picture, the output power and the area of the relative through hole to the data analysis module; the data analysis module analyzes the received picture, the output power and the area of the relative through hole, and the specific analysis steps are as follows:
the method comprises the following steps: amplifying the received picture by a plurality of times to form a pixel grid picture, performing color identification on each pixel grid in the pixel grid picture, and increasing the number of pixel grid bran by one when the color of the pixel grid is the same as that of the bran;
step two: marking the pixel lattice bran number as K1; marking the output power of the fan as K2; the relative via area is labeled K3;
step three: normalizing the number of pixel lattices and the output power, and obtaining the numerical value by using a formula K ═ mu x [ (1/K1) x b1+ (1/K2) x b2-0.3987] to obtain an analysis area K; wherein, b1 and b2 are both preset area conversion coefficients; mu is a calibration coefficient, and the value is 0.93254;
step four: comparing the analysis area with the area of the relative through hole, and not operating when the analysis area is equal to the area of the relative through hole; when the analysis area is larger than the area of the relative through hole, generating an increase instruction, and acquiring an increase distance ZD by using a formula ZD ═ K3) x b 3; wherein b3 is a preset area distance conversion coefficient; the data analysis module sends the increase instruction and the increase interval ZD to the processor; when the analysis area is smaller than the area of the corresponding through hole, generating a reduction instruction, obtaining a reduction distance SD by using a formula SD (K3-K) x b3, and sending the reduction instruction and the reduction distance SD to the processor by the data analysis module;
the processor receives the increase instruction, the increase interval, the decrease instruction and the decrease interval and then processes the signals, and the specific processing process is as follows: after the processor receives the increasing instruction, the processor controls the air cylinder to work, the air cylinder drives the connecting strip to move towards the direction close to the mounting groove, and the moving distance of the connecting strip is equal to the increasing distance ZD;
after the processor receives the reduction instruction, the processor controls the air cylinder to work, the air cylinder drives the connecting strip to move in the direction away from the mounting groove, and the moving distance of the connecting strip is equal to the reduction interval SD.
Preferably, the vibrating bran screening machine comprises a support and a bran screening box body; the support is respectively provided with a first supporting rod and a second supporting rod, and the bottom end surface of the bran box body is arranged on the first supporting rod and the second supporting rod through four damping springs; a feed hopper is arranged on one side of the upper end surface of the bran box body, a dust suction box is arranged on the other side of the upper end surface of the bran box body, and the top of the dust suction box is connected with one end of an air pipe in a penetrating manner; the other end of the air pipe is connected with an exhaust fan, and an air pulling mechanism is arranged on the dust collection box; a first discharge pipe, a second discharge pipe, a third discharge pipe and a fourth discharge pipe are sequentially arranged at the bottom of one side of the bran box body; one side of the bran box body is positioned between the air-pulling mechanism and the first discharge pipe and is provided with an air inlet;
the middle part of the screening chaff box body is provided with a U-shaped frame through a bolt, the U-shaped frame is provided with a bottom plate through a bolt, and the bottom plate is fixedly provided with a vibration motor through a screw;
two first clamping strips, a second clamping strip and a third clamping strip are symmetrically arranged on the side walls of two sides in the bran box body from top to bottom in sequence; clamping grooves are formed in the first clamping strips, the second clamping strips and the third clamping strips, a first sieve plate is arranged between the two first clamping strips, and two sides of the first sieve plate are clamped in the clamping grooves in the two first clamping strips respectively; a second sieve plate is arranged between the two second clamping strips, and two sides of the second sieve plate are respectively clamped in clamping grooves in the two second clamping strips; a third sieve plate is arranged between the two third clamping strips, and two sides of the third sieve plate are respectively clamped in clamping grooves in the two third clamping strips; all install the screen cloth through the screw in first sieve, second sieve and the third sieve.
Compared with the prior art, the invention has the beneficial effects that: the output power and the pixel grid bran number of the fan are analyzed to obtain the analysis area, the analysis area is compared with the area of the relative through hole in the wind pulling mechanism, then the wind pulling mechanism is controlled and adjusted through the processor, the area of the relative through hole is adjusted, dust in bran raw materials is conveniently adsorbed, the phenomenon that the area of the relative through hole in the wind pulling mechanism is too large or too small is avoided, and the bran is adsorbed or the dust in the bran raw materials is incompletely adsorbed is caused.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the wind-pulling mechanism of the present invention;
FIG. 2 is an exploded view of the overall structure of the wind-pulling mechanism of the present invention;
FIG. 3 is a functional block diagram of the present invention;
FIG. 4 is an overall structure diagram of the vibrating bran screening machine of the present invention;
FIG. 5 is an overall sectional view of the vibrating bran screening machine of the present invention;
fig. 6 is a schematic view illustrating the installation of the damper spring according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an adjustable wind-pulling mechanism for deashing of a vibrating bran sieving machine comprises a data acquisition module, a processor, a data storage module, a data analysis module, a fan and a wind-pulling mechanism installed inside the vibrating bran sieving machine,
the wind pulling mechanism comprises a baffle 701, an installation groove 702 is formed in the baffle 701, a moving plate 703 is slidably installed in the installation groove 702, a connecting strip 705 is fixedly installed at one end of the moving plate 703 through a bolt, an air cylinder 704 is installed on the side wall of one side of the baffle 701, and the top end of a piston rod of the air cylinder 704 is fixedly connected with the connecting strip 705 through welding; the upper end surface of the baffle 701 is provided with a rectangular groove 707 communicated with the mounting groove 702, the moving plate 703 is uniformly provided with a plurality of first air holes 706, and the bottom end surface of the mounting groove 702 is uniformly provided with a plurality of second air holes 708 corresponding to the first air holes 706 one to one.
The fan is communicated with an air pipe of the vibrating bran screening machine through a pipeline, wherein the bottom end of the air pipe is positioned right above the air pulling mechanism, and the fan is used for sucking dust in bran raw materials below the air pulling mechanism and conveying the dust sucked by the dust collecting box into the dust collecting box;
the data acquisition module is used for acquiring pictures in the dust collection box, the output power of the fan, the area of a relative through hole of the second air hole 708 and the first air hole 706 in the vertical direction and sending the pictures, the output power and the area of the relative through hole to the processor;
the processor receives the picture, the output power and the area of the relative through hole and then sends the picture, the output power and the area of the relative through hole to the data analysis module; the data analysis module analyzes the received picture, the output power and the area of the relative through hole, and the specific analysis steps are as follows:
the method comprises the following steps: amplifying the received picture by a plurality of times to form a pixel grid picture, performing color identification on each pixel grid in the pixel grid picture, and increasing the number of pixel grid bran by one when the color of the pixel grid is the same as that of the bran;
step two: marking the pixel lattice bran number as K1; marking the output power of the fan as K2; the relative via area is labeled K3;
step three: normalizing the number of pixel lattices and the output power, and obtaining the numerical value by using a formula K ═ mu x [1/K1 × b1+1/K2 × b2-0.3987] to obtain an analysis area K; wherein, b1 and b2 are both preset area conversion coefficients; mu is a calibration coefficient, and the value is 0.93254;
step four: comparing the analysis area with the area of the relative through hole, and not operating when the analysis area is equal to the area of the relative through hole; when the analysis area is larger than the area of the relative through hole, generating an increasing instruction, and acquiring an increasing distance ZD by using a formula ZD-K3 x b 3; wherein b3 is a preset area distance conversion coefficient; the data analysis module sends the increase instruction and the increase interval ZD to the processor; when the analysis area is smaller than the area of the relative through hole, generating a reduction instruction, acquiring a reduction interval SD by using a formula of K3-Kxb 3, and sending the reduction instruction and the reduction interval SD to the processor by using the data analysis module;
the processor receives the increase instruction, the increase interval, the decrease instruction and the decrease interval and then processes the signals, and the specific processing process is as follows: when the processor receives the increase instruction, the processor controls the air cylinder 704 to work, the air cylinder 704 drives the connecting bar 705 to move towards the direction close to the mounting groove 702, and the movement distance of the connecting bar 705 is equal to the increase distance ZD;
after the processor receives the reduction command, the processor controls the operation of the cylinder 704, and the cylinder 704 drives the connecting bar 705 to move in a direction away from the mounting groove 702, and the moving distance of the connecting bar 705 is equal to the reduction distance SD.
The vibrating bran screening machine comprises a bracket 1 and a bran screening box body 2; the support 1 is respectively provided with a first support rod 12 and a second support rod 13, and the bottom end surface of the bran box body 2 is arranged on the first support rod 12 and the second support rod 13 through four damping springs 14; a feed hopper 21 is arranged on one side of the upper end surface of the bran box body 2, a dust suction box 23 is arranged on the other side of the upper end surface of the bran box body 2, and the top of the dust suction box 23 is connected with one end of an air pipe 231 in a penetrating manner; the other end of the air pipe 231 is connected with an exhaust fan, and an air pulling mechanism is arranged on the dust collection box 23; a first discharge pipe 25, a second discharge pipe 26, a third discharge pipe 27 and a fourth discharge pipe 28 are sequentially arranged at the bottom of one side of the bran box body 2; an air inlet 29 is formed in one side of the bran box body 2 between the air-pulling mechanism and the first discharge pipe 25;
the middle part of the chaff box body 2 is provided with a U-shaped frame 22 through bolts, the U-shaped frame 22 is provided with a bottom plate 221 through bolts, and the bottom plate 221 is fixedly provided with a vibration motor 222 through screws;
two first clamping strips 31, second clamping strips 32 and third clamping strips 33 are symmetrically arranged on the side walls of two sides in the bran box body 2 from top to bottom in sequence; the first clamping strips 31, the second clamping strips 32 and the third clamping strips 33 are all provided with clamping grooves, a first sieve plate 311 is arranged between the two first clamping strips 31, and two sides of the first sieve plate 311 are respectively clamped in the clamping grooves in the two first clamping strips 31; a second sieve plate 321 is arranged between the two second clamping strips 32, and two sides of the second sieve plate 321 are respectively clamped in clamping grooves in the two second clamping strips 32; a third sieve plate 331 is installed between the two third clamping strips 33, and two sides of the third sieve plate 331 are respectively clamped in clamping grooves in the two third clamping strips 33; the first sieve plate 311, the second sieve plate 321 and the third sieve plate 331 are internally provided with sieve meshes through screws;
when the device is used, the data analysis module analyzes a received picture, output power and a relative through hole area, normalizes the pixel lattice bran number and the output power and takes the values of the pixel lattice bran number and the output power, and obtains an analysis area K by using a formula K ═ mu x [1/K1 × b1+1/K2 × b2-0.3987 ]; comparing the analysis area with the area of the relative through hole, generating an increase instruction when the analysis area is larger than the area of the relative through hole, and acquiring an increase distance ZD by using a formula ZD-K3 × b 3; wherein b3 is a preset area distance conversion coefficient; the data analysis module sends the increase instruction and the increase interval ZD to the processor; when the analysis area is smaller than the area of the relative through hole, generating a reduction instruction, acquiring a reduction interval SD by using a formula of K3-Kxb 3, and sending the reduction instruction and the reduction interval SD to the processor by using the data analysis module; the processor receives the increase instruction, the increase interval, the decrease instruction and the decrease interval and then processes the signals, and the specific processing process is as follows: when the processor receives the increase instruction, the processor controls the air cylinder 704 to work, the air cylinder 704 drives the connecting bar 705 to move towards the direction close to the mounting groove 702, and the movement distance of the connecting bar 705 is equal to the increase distance ZD; when the processor receives a reduction instruction, the processor controls the air cylinder 704 to work, the air cylinder 704 drives the connecting bar 705 to move in a direction far away from the mounting groove 702, and the movement distance of the connecting bar 705 is equal to the reduction distance SD; the output power and the pixel grid bran number of the fan are analyzed to obtain the analysis area, the analysis area is compared with the area of the relative through hole in the wind pulling mechanism, then the wind pulling mechanism is controlled and adjusted through the processor, the area of the relative through hole is adjusted, dust in bran raw materials is conveniently adsorbed, the phenomenon that the area of the relative through hole in the wind pulling mechanism is too large or too small is avoided, and the bran is adsorbed or the dust in the bran raw materials is incompletely adsorbed is caused.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. An adjustable air-pulling mechanism for deashing of a vibrating bran screening machine comprises a data acquisition module, a processor, a data storage module, a data analysis module, a fan and an air-pulling mechanism arranged inside the vibrating bran screening machine, and is characterized in that the air-pulling mechanism comprises a baffle (701), an installation groove (702) is formed in the baffle (701), a moving plate (703) is slidably arranged inside the installation groove (702), a connecting strip (705) is fixedly arranged at one end of the moving plate (703) through a bolt, an air cylinder (704) is arranged on the side wall of one side of the baffle (701), and the top end of a piston rod of the air cylinder (704) is fixedly connected with the connecting strip (705) through welding; the upper end surface of the baffle plate (701) is provided with a rectangular groove (707) which is communicated with the mounting groove (702), the moving plate (703) is uniformly provided with a plurality of first air holes (706), and the bottom end surface of the mounting groove (702) is uniformly provided with a plurality of second air holes (708) which are in one-to-one correspondence with the first air holes (706).
2. The adjustable air-pulling mechanism for deashing of a vibrating bran sieving machine as claimed in claim 1, wherein the fan is connected with an air pipe of the vibrating bran sieving machine through a pipeline, wherein the bottom end of the air pipe is located right above the air-pulling mechanism, and the fan is used for sucking the dust in the bran raw material below the air-pulling mechanism and conveying the sucked dust into the dust collection box;
the data acquisition module is used for acquiring pictures in the dust collection box, the output power of the fan, the area of a relative through hole of the second air hole (708) and the first air hole (706) in the vertical direction and sending the pictures, the output power and the area of the relative through hole to the processor;
the processor receives the picture, the output power and the area of the relative through hole and then sends the picture, the output power and the area of the relative through hole to the data analysis module; the data analysis module analyzes the received picture, the output power and the area of the relative through hole, and the specific analysis steps are as follows:
the method comprises the following steps: amplifying the received picture by a plurality of times to form a pixel grid picture, performing color identification on each pixel grid in the pixel grid picture, and increasing the number of pixel grid bran by one when the color of the pixel grid is the same as that of the bran;
step two: marking the pixel lattice bran number as K1; marking the output power of the fan as K2; the relative via area is labeled K3;
step three: normalizing the number of pixel lattices and the output power, and obtaining the numerical value by using a formula K ═ mu x [ (1/K1) x b1+ (1/K2) x b2-0.3987] to obtain an analysis area K; wherein, b1 and b2 are both preset area conversion coefficients; mu is a calibration coefficient, and the value is 0.93254;
step four: comparing the analysis area with the area of the relative through hole, and not operating when the analysis area is equal to the area of the relative through hole; when the analysis area is larger than the area of the relative through hole, generating an increase instruction, and acquiring an increase distance ZD by using a formula ZD ═ K3) x b 3; wherein b3 is a preset area distance conversion coefficient; the data analysis module sends the increase instruction and the increase interval ZD to the processor; when the analysis area is smaller than the area of the corresponding through hole, generating a reduction instruction, obtaining a reduction distance SD by using a formula SD (K3-K) x b3, and sending the reduction instruction and the reduction distance SD to the processor by the data analysis module;
the processor receives the increase instruction, the increase interval, the decrease instruction and the decrease interval and then processes the signals, and the specific processing process is as follows: when the processor receives an increasing instruction, the processor controls the air cylinder (704) to work, the air cylinder (704) drives the connecting strip (705) to move towards the direction close to the mounting groove (702), and the moving distance of the connecting strip (705) is equal to the increasing distance ZD;
when the processor receives the reduction instruction, the processor controls the air cylinder (704) to work, the air cylinder (704) drives the connecting strip (705) to move towards the direction far away from the mounting groove (702), and the moving distance of the connecting strip (705) is equal to the reduction interval SD.
3. The adjustable air-pulling mechanism for deashing of a vibrating chaff screening machine according to claim 1, characterized in that the vibrating chaff screening machine comprises a bracket (1) and a chaff box body (2); a first support rod (12) and a second support rod (13) are respectively arranged on the support (1), and the bottom end surface of the bran box body (2) is arranged on the first support rod (12) and the second support rod (13) through four damping springs (14); a feed hopper (21) is installed on one side of the upper end surface of the bran screen box body (2), a dust suction box (23) is installed on the other side of the upper end surface of the bran screen box body (2), and the top of the dust suction box (23) is connected with one end of an air pipe (231) in a penetrating manner; the other end of the air pipe (231) is connected with an exhaust fan, and an air pulling mechanism is arranged on the dust collection box (23); a first discharge pipe (25), a second discharge pipe (26), a third discharge pipe (27) and a fourth discharge pipe (28) are sequentially arranged at the bottom of one side of the bran box body (2); an air inlet (29) is formed in one side of the bran screen box body (2) between the air-pulling mechanism and the first discharge pipe (25);
the middle part of the bran screen box body (2) is provided with a U-shaped frame (22) through a bolt, the U-shaped frame (22) is provided with a bottom plate (221) through a bolt, and the bottom plate (221) is fixedly provided with a vibration motor (222) through a screw;
two first clamping strips (31), a second clamping strip (32) and a third clamping strip (33) are symmetrically arranged on the side walls of two sides in the bran box body (2) from top to bottom in sequence; clamping grooves are formed in the first clamping strips (31), the second clamping strips (32) and the third clamping strips (33), a first sieve plate (311) is arranged between the two first clamping strips (31), and two sides of the first sieve plate (311) are clamped in the clamping grooves in the two first clamping strips (31) respectively; a second sieve plate (321) is arranged between the two second clamping strips (32), and two sides of the second sieve plate (321) are respectively clamped in clamping grooves in the two second clamping strips (32); a third sieve plate (331) is arranged between the two third clamping strips (33), and two sides of the third sieve plate (331) are respectively clamped in clamping grooves in the two third clamping strips (33); the first sieve plate (311), the second sieve plate (321) and the third sieve plate (331) are internally provided with a sieve mesh through screws.
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| CN202011042344.0A CN112207039B (en) | 2020-09-28 | 2020-09-28 | Adjustable wind pulling mechanism for deashing of vibrating chaff screening machine |
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| CN202011042344.0A CN112207039B (en) | 2020-09-28 | 2020-09-28 | Adjustable wind pulling mechanism for deashing of vibrating chaff screening machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117943168A (en) * | 2024-02-26 | 2024-04-30 | 陕西蜂谛制药有限公司 | Propolis optimizing device |
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