CN113305009A - Sealed rolling type multi-stage screening machine - Google Patents
Sealed rolling type multi-stage screening machine Download PDFInfo
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- CN113305009A CN113305009A CN202110660327.1A CN202110660327A CN113305009A CN 113305009 A CN113305009 A CN 113305009A CN 202110660327 A CN202110660327 A CN 202110660327A CN 113305009 A CN113305009 A CN 113305009A
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- Prior art keywords
- filter screen
- screening
- fixedly connected
- wall
- plate
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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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of screening machines, and discloses a sealed rolling type multi-stage screening machine which comprises a base and a connecting ring, wherein a positioning frame is fixedly connected to the top of the base and is positioned at the position of the middle part, which is more than the front side, a supporting cross rod is fixedly connected to the position, which is close to the top, of the rear side wall of the positioning frame, one end, far away from the positioning frame, of the supporting cross rod is fixedly connected with a positioning clamping ball, the positioning clamping ball is embedded in the outer wall of the connecting ring, and the inner wall of the connecting ring is rotatably connected with a screening cylinder through. This sealed formula multistage screening machine that rolls, the overall process of screening all are located the inside of a screening section of thick bamboo, have reduced the raise dust through the mode of closed screening, have improved the protection to the environment, prevent to cause the injury to staff's healthy, and the screening in-process has improved the efficiency of screening through supplementary screening plant, has further improved the efficiency of screening through vibrator to the jam of screen cloth has been reduced.
Description
Technical Field
The invention relates to the technical field of screening machines, in particular to a sealed rolling type multi-stage screening machine.
Background
The screening machine is a machine used for classifying materials according to particle sizes, the screening machine is required to be used in the fertilizer manufacturing process, particles with different diameters are classified through the screening machine, the chemical fertilizers with different diameters are different in melting speed, chemical fertilizers with different particle sizes and different amounts are required to be applied according to the requirements of crops, a common screening machine is in open screening when screening is carried out, dust is easy to raise in the screening process of smaller particles, the chemical fertilizer particles contain more chemical fertilizer powder, dust raising occurs in the open screening chemical fertilizer powder to pollute the environment, the chemical fertilizer after dust raising is sucked into the body by workers and can harm the health of the workers, a common screening device can only carry out primary screening, multiple screening is usually carried out when multi-stage screening is required, the screening workload is increased, and the screening efficiency is reduced, the screening is mostly stirring formula screening, and the screening efficiency of stirring screening is low to the screen cloth takes place to block up easily, brings inconvenience for screening work.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a sealed rolling type multi-stage screening machine, which solves the problems that the common screening machine is easy to generate raised dust during screening, can only carry out primary screening, and is easy to block a screening net and low in screening efficiency.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a sealed rolling type multi-stage screening machine comprises a base and a connecting ring, wherein the top of the base is fixedly connected with a positioning frame which is positioned at the middle part and is inclined to the front side, the rear side wall of the positioning frame is fixedly connected with a supporting cross rod which is positioned at the position close to the top, one end of the supporting cross rod, far away from the positioning frame, is fixedly connected with a positioning clamping ball, the positioning clamping ball is embedded in the outer wall of the connecting ring, the inner wall of the connecting ring is rotatably connected with a screening cylinder through a bearing, the position of the screening cylinder, which is inclined to the left, close to the front side outer wall and is positioned at the middle part is fixedly connected with a feeding pipeline, the position of the screening cylinder, which is inclined to the left side, is fixedly connected with a discharge pipeline, the left side wall of the screening cylinder, which is positioned at the middle part is fixedly connected with a power dowel bar, the top of the base is positioned close to the left part and is fixedly connected with a limiting ring through a bracket, the left side wall of the limiting ring is provided with a limiting clamping groove, the inside of the limiting clamping groove is movably clamped with a limiting clamping block, the left side wall of the limiting clamping block is fixedly connected with a power motor through a bracket, the output end of the power motor is fixedly connected with a power transmission rod, the outer wall of the power transmission rod is fixedly connected with a transmission gear at the position which is positioned at the inner side of the limiting ring, the top of the base is fixedly connected with a positioning rod at the position which is close to the right side, the left side wall of the positioning rod is rotatably connected with a positioning rotating shaft through a bearing at the position which is close to the top, the left end of the positioning rotating shaft is fixedly connected with a direction adjusting connecting rod, one end of the direction adjusting connecting rod, which is positioned at the left side wall and is far away from the positioning rotating shaft, is fixedly connected with a transmission rotating shaft, the transmission rotating shaft penetrates through the sieving cylinder and extends to the inside of the sieving cylinder, and the position of the inner wall of the sieving cylinder, which is positioned at the left side of the feeding pipeline, is fixedly connected with a first filter screen plate, the inner wall of a screening section of thick bamboo is located the left fixedly connected with second filter screen board in position of discharge tube, the inner wall of a screening section of thick bamboo is located the left fixedly connected with third filter screen board in position of second filter screen board, the inner wall of a screening section of thick bamboo is located the reverse filter screen board of the position fixedly connected with on the middle inclined to the right side, the transmission pivot extends the inside one end of a screening section of thick bamboo and runs through first filter screen board, second filter screen board, third filter screen board and reverse filter screen board, the outer wall of transmission pivot is located and leans on the sealed limiting plate of position fixedly connected with on first filter screen board right side, the bottom outer wall of transmission pivot is located the position between first filter screen board and the second filter screen board and is provided with vibrator, the position of leaning on the lower side outer wall and being located sealed limiting plate right side of transmission pivot is provided with supplementary screening plant.
Preferably, vibrator includes that mounting bracket, sleeve, left side are sealed fills up, right side is sealed fills up and the vibrations ball, the mounting bracket with the transmission pivot lean on the lower side outer wall and be located the position fixed connection between first filter screen board and the second filter screen board, the bottom fixed connection of sleeve and mounting bracket, the activity of left side is sealed to be cup jointed in telescopic inside and be located and lean on left position, the activity of right side is sealed to be cup jointed in telescopic inside and be located and lean on the position on the right side, vibrations ball activity joint is in telescopic inside.
Preferably, including arc frame, back shaft, vortex spring, pressure plate and strain the tooth, the left side wall of arc frame and the right side wall of sealed limiting plate are located the position fixed connection who leans on the downside, the top of back shaft is passed through the bearing and is connected with the bottom rotation of arc frame, vortex spring and the bottom fixed connection of back shaft, the outer wall of pressure plate and back shaft is located the position fixed connection who leans on the front side, strain the preceding lateral wall fixed connection of tooth and pressure plate.
Preferably, the filtering diameters of the first filter screen plate, the second filter screen plate and the third filter screen plate are gradually decreased, the fertilizer is sequentially screened through the first filter screen plate, the second filter screen plate and the third filter screen plate, and the fertilizer is classified according to the diameter.
Preferably, the right sides of the first filter screen plate, the second filter screen plate and the third filter screen plate are all provided with auxiliary screening devices, the interval of the adjacent filter teeth on the right side of the second filter screen plate is smaller than that of the adjacent filter teeth on the right side of the first filter screen plate, the interval of the adjacent filter teeth on the right side of the third filter screen plate is smaller than that of the adjacent filter teeth on the right side of the second filter screen plate, and the intervals of the filter teeth matched with each other are adjusted according to different filter diameters of different filter plates, so that fertilizer particles with the same size are supported.
Preferably, the inner wall of the limiting ring is provided with a tooth socket, the transmission gear is meshed with the limiting ring, and the transmission gear drives the power transmission rod to rotate along the limiting ring under the action of the tooth socket on the inner wall of the limiting ring when rotating.
Preferably, left side is sealed to fill up and is sealed the pad with the right side and make by the magnet piece, the vibrations ball is pour by steel and is formed, and the filter screen is made by the iron mesh, sets up the magnet piece and makes the vibrations ball can not roll immediately when a screening section of thick bamboo just takes place the slope, and the increase of resultant force that makes the gravity of vibrations ball to the sleeve deflection direction along with the increase of inclination is increased, then vibrations ball and magnet piece separation to speed when having increased vibrations ball roll down has improved the dynamics of striking, has improved the effect of vibrations.
Preferably, the back shaft divide into inner prop and outer loop, and the outer loop cover is in the outside of inner prop, inner prop and the bottom fixed connection of arc frame, and the outer loop rotates with the bottom of arc frame to be connected, and the bottom fixed connection of inner and inner prop is leaned on to swirl spring, and swirl spring leans on the bottom fixed connection of outer end and outer loop, can remove the contact with first filter plate when making the pressure plate not receive chemical fertilizer thrust under swirl spring's effect.
Preferably, the circle centers of the connecting ring, the limiting ring and the positioning rotating shaft are positioned on the same axis, so that the screening cylinder can smoothly rotate.
Compared with the prior art, the invention provides a sealed rolling type multistage screening machine which has the following beneficial effects:
1. this sealed formula multi-stage screening machine that rolls, the overall process of screening all is located the inside of screening section of thick bamboo, has reduced the raise dust through the mode of closed screening, has improved the protection to the environment, prevents to cause the injury to staff's healthy.
2. The sealed rolling type multistage screening machine is provided with a power transmission rod, a limiting ring, a limiting clamping groove, a limiting clamping block, a power motor and a transmission gear, wherein the power transmission rod is driven by the power motor to rotate, the transmission gear is driven to rotate when the power transmission rod rotates, the power motor is driven by the power transmission rod to move along the limiting clamping groove under the limitation of the limiting ring, the power motor is driven to rotate along the limiting ring, the left end of a screening cylinder is driven by the power transmission rod to move in a circular track when the power motor moves, so that the power transmission rod can swing in the vertical direction and the horizontal direction, the fertilizer in the fertilizer can move left and right in the power transmission rod, the fertilizer can be screened by the first filter screen plate and the reverse filter screen plate in turn, the fertilizer can be shaken left and right in the fertilizer to impact the first filter screen plate and the reverse filter screen plate, so that small granulated fertilizer can quickly pass through the first filter screen plate and the reverse filter screen plate, the efficiency of screening has been improved.
3. This sealed multistage screening machine of formula of rolling sets up first filter screen board, second filter screen board and third filter screen board, the chemical fertilizer after screening through first filter screen board sieves through the second filter screen board once more, the chemical fertilizer after screening through the second filter screen board sieves through the third filter screen board once more, once can carry out multistage screening, the process has been reduced, the volatilization and the raise dust that produce when reducing chemical fertilizer processing and transporting, the precision of screening has been improved, and make things convenient for follow-up chemical fertilizer to use in the farmland of different demands.
4. The sealed rolling type multi-stage screening machine is provided with a positioning rod, a positioning rotating shaft, a direction adjusting connecting rod, a transmission rotating shaft and a sealing limiting plate, wherein when the left end of a screening cylinder is driven by a power transmission rod to rotate along a limiting ring, the right end of the screening cylinder drives the transmission rotating shaft to rotate in the opposite direction, and when the transmission rotating shaft rotates, the sealing limiting plate is always positioned on one side close to the center of a lower limiting ring under the limitation of the direction adjusting connecting rod and the positioning rotating shaft, so that when the left end of the screening cylinder rotates to the upper side, the transmission rotating shaft drives the sealing limiting plate to rotate to the lower side close to the transmission rotating shaft, thereby blocking the first filter screen plate, preventing chemical fertilizer filtered by the first filter screen plate in the screening cylinder from reversely passing through the first filter screen plate, realizing the effect that small chemical fertilizer can only screen to move towards the left side and the right side, and extruding particles adhered to the surface of the first filter screen plate when the sealing limiting plate rotates to separate the particles from the first filter screen plate, thereby preventing clogging from occurring.
5. This sealed formula multi-stage screening machine that rolls that turns over, set up the mounting bracket, the sleeve, left side is sealed fills up, right side is sealed fills up and the vibrations ball, when a screening section of thick bamboo rotates to inclining left, the vibrations ball rolls left side in telescopic inside and fills up the striking to left, thereby it makes second filter screen board produce vibrations to fill up to strike to the second filter screen board through left side, thereby the screening efficiency of second filter screen board has been improved, when a screening section of thick bamboo rotates to inclining right side, the vibrations ball rolls right side and fills up the striking to the right side in telescopic inside, right side is sealed fills up and is strikeed first filter screen board, thereby shake the chemical fertilizer that makes chemical fertilizer and first filter screen board drop with the chemical fertilizer of first filter screen board right side surface adhesion, thereby the probability that the jam takes place has been reduced.
6. This sealed formula multi-stage screening machine that rolls that turns over, set up the arc frame, the back shaft, the vortex spring, the pressure plate and strain the tooth, chemical fertilizer removes to the left side along the inner wall of a screening section of thick bamboo when a screening section of thick bamboo inclines to the left side, chemical fertilizer promotes the pressure plate and deflects to the side of left side, the pressure plate drives and strains the tooth and deflect to the left side and with the surface contact of first filter screen board, hold up the chemical fertilizer of great granule through straining the tooth, prevent that chemical fertilizer and first filter screen board surface contact from leading to the filter area reduction of first filter screen board, thereby filterable efficiency has been improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4 at C according to the present invention;
FIG. 6 is a schematic cross-sectional view of a vibration device according to the present invention.
Wherein: 1. a base; 2. a positioning frame; 3. a support rail; 4. positioning the ball; 5. a discharge duct; 6. a connecting ring; 7. a screening drum; 8. a feed line; 9. a power transmission rod; 10. a limiting ring; 11. a limiting clamping groove; 12. a limiting clamping block; 13. a power motor; 131. a transmission gear; 14. positioning a rod; 15. positioning the rotating shaft; 16. a direction-adjusting connecting rod; 17. a transmission rotating shaft; 18. a first screen plate; 19. a second screen plate; 20. a third screen plate; 21. a reverse filter screen plate; 22. sealing the limiting plate; 23. a vibration device; 231. a mounting frame; 232. a sleeve; 233. a left gasket; 234. a right gasket; 235. a vibration ball; 24. an auxiliary screening device; 241. an arc-shaped frame; 242. a support shaft; 243. a swirl spring; 244. a pressure plate; 245. and (5) filtering the teeth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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, the invention provides a sealed tumbling type multi-stage screening machine, which comprises a base 1 and a connecting ring 6, wherein a positioning frame 2 is fixedly connected to the top of the base 1 at a position which is on the front side of the middle, a supporting cross rod 3 is fixedly connected to the rear side wall of the positioning frame 2 at a position which is on the top, a positioning clamp ball 4 is fixedly connected to one end of the supporting cross rod 3 far away from the positioning frame 2, the positioning clamp ball 4 is embedded in the outer wall of the connecting ring 6, the inner wall of the connecting ring 6 is rotatably connected with a screening barrel 7 through a bearing, the whole screening process is located in the screening barrel 7, dust is reduced through a closed screening mode, the environment is protected, the harm to the health of workers is prevented, a feeding pipeline 8 is fixedly connected to the outer wall of the front side of the screening barrel 7 at a position which is on the left of the middle, the device comprises a screening drum 7, a discharge pipeline 5, a power transmission rod 9, a limiting ring 10, a limiting clamping groove 11, a limiting clamping block 12, a power motor 13, a transmission gear 131, a power transmission rod 9, a limiting ring 10, a transmission gear 131, a power transmission rod 9, a limiting clamping groove 11, a limiting clamping block 11, a power motor 13 and a transmission gear 131, wherein the discharge pipeline 5 is fixedly connected to the position, close to the outer wall of the front side and located on the left side of a feeding pipeline 8, of the screening drum 7, the power transmission rod 9 is fixedly connected to the position, close to the left side, of the screening drum 7, the top of a base 1 is fixedly connected to the position, close to the left side, of the base through a support, the limiting clamping groove 11 is formed in the left side, the output end of the power motor 13 is fixedly connected to the power transmission rod 9, the transmission gear 131 is fixedly connected to the position, located on the inner side of the limiting clamping groove 10, of the outer wall of the power transmission rod 9 is arranged on the power transmission rod 9, the power transmission rod 9 is arranged on the front side, the power transmission rod 10 is arranged on the front side, the power transmission rod 9 is arranged on the front side, the power transmission rod 9 rotates to drive the transmission gear 131 to rotate, the transmission gear 131 rotates under the limit of the limit ring 10, the power transmission rod 9 drives the power motor 13 to move along the limit clamping groove 11, the power motor 13 rotates along the limit ring 10, the power motor 13 drives the left end of the sieving cylinder 7 to move in a circular track through the power transmission rod 9 when moving, the power transmission rod 9 is shaken in the up-and-down direction and the left-and-right direction, the internal fertilizer is moved left and right in the power transmission rod 9, the sieving is carried out through the first filter screen plate 18 and the reverse filter screen plate 21 in turn, the fertilizer shakes left and right in the internal part to impact the first filter screen plate 18 and the reverse filter screen plate 21, small granulated fertilizer quickly passes through the first filter screen plate 18 and the reverse filter screen plate 21, the sieving efficiency is improved, the inner wall of the limit ring 10 is provided with tooth sockets, the transmission gear 131 is meshed with the limit ring 10, when the transmission gear 131 rotates, the power transmission rod 9 is driven to rotate along the limiting ring 10 under the action of the tooth socket on the inner wall of the limiting ring 10, the position at the top of the base 1 and near the right side is fixedly connected with a positioning rod 14, the position at the left side wall of the positioning rod 14 and near the top is rotatably connected with a positioning rotating shaft 15 through a bearing, the circle centers of the connecting ring 6, the limiting ring 10 and the positioning rotating shaft 15 are positioned on the same axis, so that the sieving cylinder 7 can smoothly rotate, the left end of the positioning rotating shaft 15 is fixedly connected with a direction adjusting connecting rod 16, one end of the left side wall of the direction adjusting connecting rod 16 and far away from the positioning rotating shaft 15 is fixedly connected with a transmission rotating shaft 17, the transmission rotating shaft 17 penetrates through the sieving cylinder 7 and extends into the sieving cylinder 7, the first filter screen plate 18 is fixedly connected at the position at the left side of the feeding pipeline 8 on the inner wall of the sieving cylinder 7, and the position at the left side of the discharging pipeline 5 on the inner wall of the sieving cylinder 7 is fixedly connected with a second filter screen plate 19, the inner wall of the screening cylinder 7 is fixedly connected with a third filter screen plate 20 at the left position of a second filter screen plate 19, the filtering diameters of the first filter screen plate 18, the second filter screen plate 19 and the third filter screen plate 20 are gradually decreased, fertilizers are sequentially screened through the first filter screen plate 18, the second filter screen plate 19 and the third filter screen plate 20, the fertilizers are classified according to the diameters, the first filter screen plate 18, the second filter screen plate 19 and the third filter screen plate 20 are arranged, the fertilizers screened through the first filter screen plate 18 are screened through the second filter screen plate 19 again, the fertilizers screened through the second filter screen plate 19 are screened through the third filter screen plate 20 again, multi-stage screening can be carried out once, the working procedures are reduced, volatilization and dust raising generated during the processing and transferring of the fertilizers are reduced, the screening precision is improved, and the subsequent farmlands with different demands are conveniently used, the inner wall of the sieving cylinder 7 is fixedly connected with a reverse filter screen plate 21 at the position which is positioned on the middle right side, one end of the transmission rotating shaft 17 extending to the inside of the sieving cylinder 7 penetrates through a first filter screen plate 18, a second filter screen plate 19, a third filter screen plate 20 and the reverse filter screen plate 21, the outer wall of the transmission rotating shaft 17 is fixedly connected with a sealing limit plate 22 at the position which is close to the right side of the first filter screen plate 18 and close to the upper side, a positioning rod 14, a positioning rotating shaft 15, a direction adjusting connecting rod 16, a transmission rotating shaft 17 and a sealing limit plate 22 are arranged, when the left end of the sieving cylinder 7 is driven by a power transmission rod 9 to rotate along the limit ring 10, the right end of the sieving cylinder 7 drives the transmission rotating shaft 17 to rotate in the reverse direction, the sealing limit plate 22 is always positioned on one side close to the center of the lower limit ring 10 under the limitation of the direction adjusting connecting rod 16 and the positioning rotating shaft 15 when the transmission rotating shaft 17 rotates, so that when the left end of the sieving cylinder 7 rotates to the upper side, transmission pivot 17 drives sealed limiting plate 22 and rotates to the downside that leans on of transmission pivot 17, thereby block first filter screen board 18, thereby prevent that the inside chemical fertilizer after 18 filters of first filter screen board of screening section of thick bamboo 7 is reverse to pass through first filter screen board 18, thereby realize that the tiny particle chemical fertilizer only can sieve the effect of removal to the left and right sides, sealed limiting plate 22 carries out the pivoted while can extrude the chemical fertilizer granule of 18 surface adhesion of first filter screen board and make chemical fertilizer granule break away from with first filter screen board 18, thereby prevent to take place to block up, the bottom outer wall of transmission pivot 17 and the position that is located between first filter screen board 18 and the second filter screen board 19 are provided with vibrator 23, the position that leans on the downside outer wall and be located sealed limiting plate 22 right side of transmission pivot 17 is provided with supplementary screening plant 24.
The vibrating device 23 comprises a mounting frame 231, a sleeve 232, a left sealing gasket 233, a right sealing gasket 234 and a vibrating ball 235, the mounting frame 231 and the transmission rotating shaft 17 lean on the lower outer wall and are positioned between the first filter screen plate 18 and the second filter screen plate 19 for fixed connection, the sleeve 232 is connected with the bottom end of the mounting frame 231 in a fixed manner, the left sealing gasket 233 is movably sleeved in the sleeve 232 and is positioned at a position leaning on the left side, the right sealing gasket 234 is movably sleeved in the sleeve 232 and is positioned at a position leaning on the right side, the vibrating ball 235 is movably clamped in the sleeve 232, the left sealing gasket 233 and the right sealing gasket 234 are made of magnet sheets, the vibrating ball 235 is poured by steel, the filter screen is made of iron mesh, the vibrating ball 235 cannot immediately roll when the sieving cylinder 7 is just inclined due to the arrangement of the magnet sheets, the gravity of the vibrating ball 235 is enabled to increase towards the deflection direction of the sleeve 232 along with the increase of the inclination angle, the rear vibration ball 235 is separated from the magnet piece, so that the speed of the vibration ball 235 when rolling downwards is increased, the impact force is improved, and the vibration effect is improved, the mounting frame 231, the sleeve 232, the left sealing gasket 233, the right sealing gasket 234 and the vibration ball 235 are arranged, when the screening cylinder 7 rotates to incline leftwards, the vibration ball 235 rolls leftwards in the sleeve 232 and impacts the left sealing gasket 233, so that the second filter screen plate 19 is impacted through the left sealing gasket 233 to generate vibration, so that the screening efficiency of the second filter screen plate 19 is improved, when the screening cylinder 7 rotates to incline rightwards, the vibration ball 235 rolls rightwards in the sleeve 232 and impacts the right sealing gasket 234, the right sealing gasket 234 impacts the first filter screen plate 18, so that the fertilizer adhered to the right surface of the first filter screen plate 18 is vibrated to fall off the first filter screen plate 18, thereby reducing the probability of a jam occurring.
The auxiliary screening device 24 comprises an arc-shaped frame 241, a supporting shaft 242, a vortex spring 243, a pressure plate 244 and filter teeth 245, wherein the left side wall of the arc-shaped frame 241 is fixedly connected with the right side wall of the seal limiting plate 22 and is located at a position close to the lower side, the top end of the supporting shaft 242 is rotatably connected with the bottom of the arc-shaped frame 241 through a bearing, the vortex spring 243 is fixedly connected with the bottom of the supporting shaft 242, the supporting shaft 242 is divided into an inner column and an outer ring, the outer ring is sleeved on the outer side of the inner column, the inner column is fixedly connected with the bottom of the arc-shaped frame 241, the outer ring is rotatably connected with the bottom of the arc-shaped frame 241, the inner end of the vortex spring 243 is fixedly connected with the bottom of the inner column, the outer end of the vortex spring 243 is fixedly connected with the bottom of the outer ring, when the pressure plate 244 is not pushed by chemical fertilizer, the pressure plate 244 is released from being contacted with the first filter screen plate 18, the outer wall of the pressure plate 244 is fixedly connected with the position close to the front side of the supporting shaft 242, the filter teeth 245 are fixedly connected with the front side wall of the pressure plate 244, the right sides of the first filter screen plate 18, the second filter screen plate 19 and the third filter screen plate 20 are all provided with auxiliary screening devices 24, the interval between adjacent filter teeth 245 on the right side of the second filter screen plate 19 is smaller than the interval between adjacent filter teeth 245 on the right side of the first filter screen plate 18, the interval between adjacent filter teeth 245 on the right side of the third filter screen plate 20 is smaller than the interval between adjacent filter teeth 245 on the right side of the second filter screen plate 19, the interval between the adaptive filter teeth 245 is adjusted according to the filtering diameters of different filter plates, so that fertilizer particles with the appropriate size are supported, the arc-shaped frames 241, the support shafts 242, the vortex springs 243, the pressure plate 244 and the filter teeth 245 are arranged, when the screening cylinder 7 inclines towards the left side, the fertilizer moves towards the left side along the inner wall of the screening cylinder 7, the fertilizer pushes the pressure plate 244 to deflect towards the left side, the pressure plate 244 drives the filter teeth 245 to deflect towards the left side and contact with the surface of the first filter screen plate 18, the filtering teeth 245 support the fertilizer with larger particles, so that the large fertilizer is prevented from contacting the surface of the first filter screen plate 18 to reduce the filtering area of the first filter screen plate 18, and the filtering efficiency is improved.
When the fertilizer screening machine is used, fertilizer to be screened is added into the screening cylinder 7 through the feeding pipeline 8 and is positioned between the limiting ring 10 and the reverse filter screen plate 21, then the power motor 13 is started, the power motor 13 drives the power transmission rod 9 to rotate, the power transmission rod 9 drives the transmission gear 131 to rotate when rotating, the transmission gear 131 rotates under the limitation of the limiting ring 10 and drives the power motor 13 to move along the limiting clamping groove 11 through the power transmission rod 9, the power motor 13 rotates along the limiting ring 10, the power motor 13 drives the left end of the screening cylinder 7 to perform circular track motion through the power transmission rod 9 when moving, so that the power transmission rod 9 is shaken in the up-and-down direction and the left-and-right direction, the fertilizer in the fertilizer is moved left and right in the power transmission rod 9, and the fertilizer is screened by the first filter screen plate 18 and the reverse filter screen plate 21 in turn, the fertilizer is shaken leftwards and rightwards inside to impact the first filter screen plate 18 and the reverse filter screen plate 21, so that small granulated fertilizer quickly passes through the first filter screen plate 18 and the reverse filter screen plate 21, the fertilizer screened by the first filter screen plate 18 passes through the second filter screen plate 19 again, the fertilizer screened by the second filter screen plate 19 passes through the third filter screen plate 20 again, multi-stage screening can be performed at one time, the working procedures are reduced, when the screening cylinder 7 rotates to incline leftwards, the fertilizer moves leftwards along the inner wall of the screening cylinder 7 when the screening cylinder 7 inclines leftwards, the fertilizer pushes the pressure plate 244 to deflect leftwards, the pressure plate 244 drives the filter teeth 245 to deflect leftwards and contact with the surface of the first filter screen plate 18, the larger granulated fertilizer is supported by the filter teeth 245, and the reduction of the filtering area of the first filter screen plate 18 caused by the contact of the large granulated fertilizer and the surface of the first filter screen plate 18 is prevented, thereby the efficiency of filtration is improved, simultaneously vibrations ball 235 rolls to the left side in the inside of sleeve 232 and strikes left sealing gasket 233, thereby strike second filter screen board 19 through left sealing gasket 233 and make second filter screen board 19 produce vibrations, thereby the screening efficiency of second filter screen board 19 has been improved, when sieving section of thick bamboo 7 rotates to the slope of right side, vibrations ball 235 rolls to the right side in the inside of sleeve 232 and strikes right sealing gasket 234, right sealing gasket 234 strikes first filter screen board 18, thereby vibrate the chemical fertilizer that first filter screen board 18 right side surface adhesion is made chemical fertilizer and first filter screen board 18 drop, thereby the probability that the jam takes place has been reduced, when the left end of sieving section of thick bamboo 7 rotates along spacing ring 10 under the drive of power transmission rod 9, sieving section of thick bamboo 7 drives transmission shaft 17 to rotate in opposite direction, when transmission shaft 17 rotates, make sealed limiting plate 22 lean on lower limit ring 10 all the time under the restriction of adjusting connecting rod 16 and location pivot 15 makes sealed limiting plate 22 lean on lower limit all the time One side of the center, so that when the left end of the screening drum 7 rotates to the upper side, the transmission rotating shaft 17 drives the sealing limit plate 22 to rotate to the lower side of the transmission rotating shaft 17, thereby blocking the first filter screen plate 18, preventing the fertilizer inside the sieving cylinder 7 filtered by the first filter screen plate 18 from reversely passing through the first filter screen plate 18, thereby realizing the effect that the small fertilizer particles only can be screened and moved to the left and the right, the fertilizer particles adhered to the surface of the first filter screen plate 18 can be extruded while the sealing limit plate 22 rotates to separate the fertilizer particles from the first filter screen plate 18, thereby prevent to take place to block up, sieve the completion back, open discharge conduit 5 and charge pipeline 8, discharge conduit 5 and charge pipeline 8 rotate to decurrent position when control screening section of thick bamboo 7 rotates to discharge the chemical fertilizer granule after sieving inside, thereby accomplish the screening work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a sealed multistage screening machine of formula of rolling, includes base (1) and go-between (6), its characterized in that: the top of the base (1) is fixedly connected with a positioning frame (2) which is positioned on the middle front side, the rear side wall of the positioning frame (2) is fixedly connected with a supporting cross rod (3) which is positioned on the top, one end of the supporting cross rod (3) far away from the positioning frame (2) is fixedly connected with a positioning clamping ball (4), the positioning clamping ball (4) is embedded inside the outer wall of the connecting ring (6), the inner wall of the connecting ring (6) is rotatably connected with a screening cylinder (7) through a bearing, the position of the screening cylinder (7) which is positioned on the middle left side and close to the front side outer wall is fixedly connected with a feeding pipeline (8), the position of the screening cylinder (7) which is positioned on the front side outer wall and close to the left side of the feeding pipeline (8) is fixedly connected with a discharging pipeline (5), the left side wall of the screening cylinder (7) is fixedly connected with a power transmission rod (9), the top of the base (1) is positioned at a position close to the left side and is fixedly connected with a limiting ring (10) through a support, the left side wall of the limiting ring (10) is provided with a limiting clamping groove (11), a limiting clamping block (12) is movably clamped inside the limiting clamping groove (11), the left side wall of the limiting clamping block (12) is fixedly connected with a power motor (13) through a support, the output end of the power motor (13) is fixedly connected with a power transmission rod (9), the outer wall of the power transmission rod (9) is fixedly connected with a transmission gear (131) at the position close to the inner side of the limiting ring (10), the top of the base (1) is fixedly connected with a positioning rod (14) at the position close to the right side, the left side wall of the positioning rod (14) is rotatably connected with a positioning rotating shaft (15) at the position close to the top through a bearing, and the left end of the positioning rotating shaft (15) is fixedly connected with a direction adjusting connecting rod (16), transfer to the left side wall of connecting rod (16) and be located the one end fixedly connected with transmission pivot (17) of keeping away from location pivot (15), transmission pivot (17) run through screening section of thick bamboo (7) and extend the inside of screening section of thick bamboo (7), the inner wall of screening section of thick bamboo (7) is located the first filter plate (18) of the left position fixedly connected with of charging conduit (8), the inner wall of screening section of thick bamboo (7) is located the left position fixedly connected with second filter plate (19) of discharging conduit (5), the inner wall of screening section of thick bamboo (7) is located the left position fixedly connected with third filter plate (20) of second filter plate (19), the inner wall of screening section of thick bamboo (7) is located the reverse filter plate (21) of the position fixedly connected with on middle inclined to the right side, transmission pivot (17) extend the inside one end of screening section of thick bamboo (7) and run through first filter plate (18), Second filter screen board (19), third filter screen board (20) and reverse filter screen board (21), the outer wall of transmission pivot (17) is located and leans on sealed limiting plate (22) of position fixedly connected with on first filter screen board (18) right side, the bottom outer wall of transmission pivot (17) is located the position between first filter screen board (18) and second filter screen board (19) and is provided with vibrator (23), the position that leans on the downside outer wall and is located sealed limiting plate (22) right side of transmission pivot (17) is provided with supplementary screening plant (24).
2. The screen classifier according to claim 1, wherein: vibrator (23) are including mounting bracket (231), sleeve (232), the sealed pad of left side (233), the sealed pad of right side (234) and vibrations ball (235), mounting bracket (231) and transmission pivot (17) lean on the lower side outer wall and lie in the position fixed connection between first filter screen board (18) and second filter screen board (19), the bottom fixed connection of sleeve (232) and mounting bracket (231), the sealed pad of left side (233) activity is cup jointed in the inside of sleeve (232) and is located and leans on left position, the sealed pad of right side (234) activity is cup jointed in the inside of sleeve (232) and is located and leans on the position on the right side, vibrations ball (235) activity joint is in the inside of sleeve (232).
3. The screen classifier according to claim 1, wherein: supplementary screening plant (24) are including arc frame (241), support shaft (242), vortex spring (243), pressure plate (244) and strain tooth (245), the left side wall of arc frame (241) and the right side wall of sealed limiting plate (22) are located and lean on the position fixed connection of downside, the top of support shaft (242) is passed through the bearing and is connected with the bottom rotation of arc frame (241), the bottom fixed connection of vortex spring (243) and support shaft (242), the outer wall of pressure plate (244) and support shaft (242) is located and leans on the position fixed connection of front side, strain the preceding lateral wall fixed connection of tooth (245) and pressure plate (244).
4. The screen classifier according to claim 1, wherein: the filtering diameters of the first filter screen plate (18), the second filter screen plate (19) and the third filter screen plate (20) are gradually decreased.
5. The screen classifier according to claim 3, wherein: the right sides of the first filter screen plate (18), the second filter screen plate (19) and the third filter screen plate (20) are provided with auxiliary screening devices (24), the interval of the adjacent filter teeth (245) on the right side of the second filter screen plate (19) is smaller than the interval of the adjacent filter teeth (245) on the right side of the first filter screen plate (18), and the interval of the adjacent filter teeth (245) on the right side of the third filter screen plate (20) is smaller than the interval of the adjacent filter teeth (245) on the right side of the second filter screen plate (19).
6. The screen classifier according to claim 1, wherein: the inner wall of the limiting ring (10) is provided with a tooth socket, and the transmission gear (131) is meshed with the limiting ring (10).
7. The screen classifier according to claim 2, wherein: the left sealing gasket (233) and the right sealing gasket (234) are made of magnet pieces, and the vibration ball (235) is formed by pouring steel.
8. The screen classifier according to claim 3, wherein: the supporting shaft (242) is divided into an inner column and an outer ring, the outer ring is sleeved on the outer side of the inner column, the inner column is fixedly connected with the bottom of the arc-shaped frame (241), the outer ring is rotatably connected with the bottom of the arc-shaped frame (241), the inner end, close to the vortex spring (243), of the vortex spring is fixedly connected with the bottom of the inner column, and the outer end, close to the vortex spring (243), of the vortex spring is fixedly connected with the bottom of the outer ring.
9. The screen classifier according to claim 1, wherein: the circle centers of the limiting ring (6), the limiting ring (10) and the positioning rotating shaft (15) are positioned on the same axis.
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| CN202110660327.1A CN113305009B (en) | 2021-06-15 | 2021-06-15 | Sealed rolling type multi-stage screening machine |
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| CN202110660327.1A CN113305009B (en) | 2021-06-15 | 2021-06-15 | Sealed rolling type multi-stage screening machine |
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| CN113305009B CN113305009B (en) | 2022-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353464A (en) * | 2021-12-09 | 2022-04-15 | 胡阳琦 | Drying device with sorting function for powder metallurgy |
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