CN113305009B - Sealed rolling type multi-stage screening machine - Google Patents
Sealed rolling type multi-stage screening machine Download PDFInfo
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- CN113305009B CN113305009B CN202110660327.1A CN202110660327A CN113305009B CN 113305009 B CN113305009 B CN 113305009B CN 202110660327 A CN202110660327 A CN 202110660327A CN 113305009 B CN113305009 B CN 113305009B
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- Prior art keywords
- filter screen
- fixedly connected
- wall
- screening
- screen 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 a bearing. 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 that is used for classifying the material according to particle size, the screening machine need be used to the chemical fertilizer manufacturing process, classify the granule of different diameter sizes through the screening machine, the chemical fertilizer of different diameter sizes melts the speed difference, need apply the chemical fertilizer of different particle sizes and different volume according to the demand of crops, general screening machine is open screening when carrying out the screening, raise dust easily in the screening process to less granule, and the chemical fertilizer granule inside contains more chemical fertilizer powder, open screening chemical fertilizer powder takes place raise dust polluted environment, the chemical fertilizer after taking place the raise dust is inhaled internal still can harm staff's healthy by the workman, and general screening plant can only carry out one-level screening, often need carry out a lot of screening when needing multistage screening, the work load of screening has been increased, the screening efficiency has been reduced, the screening is mostly stirring formula screening, the screening efficiency of stirring screening is low, and the screen cloth takes place to block up easily, bring 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 a 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 position fixedly connected with second filter screen board of discharge tube, the inner wall of a screening section of thick bamboo is located the left position fixedly connected with third filter screen board of second filter screen board, the inner wall of a screening section of thick bamboo is located the reverse filter screen board of 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 last position fixedly connected with sealed limiting plate near 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 that leans on the lower side outer wall and be 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, swirl 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 and lean on the position fixed connection of downside, the top of back shaft is passed through the bearing and is connected with the bottom rotation of arc frame, the bottom fixed connection of swirl spring and 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 provided with auxiliary screening devices, the interval between 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 between 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 between 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 overlaps in the outside of inner prop, the bottom fixed connection of inner prop and 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 that leans on of swirl spring, the bottom fixed connection of outer end and outer loop that leans on of swirl spring make the pressure plate remove the contact with first filter plate when not receiving chemical fertilizer thrust under the effect of swirl spring.
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 rolling type multistage screening machine, 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.
2. This sealed formula multistage screening machine that rolls, set up the power dowel steel, the spacing ring, spacing draw-in groove, spacing fixture block, motor power and drive gear, it rotates to drive the power dowel steel through motor power, drive gear when the power dowel steel rotates and rotate, drive gear rotates and drives motor power and remove along spacing draw-in groove through the power dowel steel under the restriction of spacing ring, make motor power rotate along the spacing ring, the left end that drives the screening section of thick bamboo through the power dowel steel when motor power removes carries out circular orbit motion, thereby make the power dowel steel carry out the rocking of direction about and direction about with, thereby control the chemical fertilizer of inside and remove about the inside of power dowel steel, thereby pass through first filter plate and reverse filter plate and sieve the chemical fertilizer in turn, rock and strike first filter plate and reverse filter plate about inside, make little miniaturation fertilizer pass through first filter plate and reverse filter plate fast, 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. This sealed formula of rolling multistage screening machine, set up the locating lever, the location pivot, the accent is to the connecting rod, transmission pivot and sealed limiting plate, the left end of screening section of thick bamboo rotates along the spacing ring under the drive of power dowel, the right-hand member of screening section of thick bamboo drives the transmission pivot and carries out the opposite direction rotation, make sealed limiting plate be in all the time by one side at spacing ring center down in the restriction of transfer to connecting rod and location pivot when the transmission pivot rotates, thereby when the left end of screening section of thick bamboo rotates to leaning on the upside, the transmission pivot drives sealed limiting plate and rotates to the downside that leans on of transmission pivot, thereby block first filter plate board, thereby prevent that the inside chemical fertilizer after filtering through first filter plate board of screening section of thick bamboo from reversely passing through first filter plate board, thereby realize the effect that little granule chemical fertilizer can only carry out the screening removal to the left and right sides, can extrude the granule of first filter plate surface adhesion to the chemical fertilizer when sealed limiting plate carries out the pivoted and make the granule of chemical fertilizer break away from with first filter plate board, thereby prevent to take place to block up.
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 multistage screening machine of formula of rolling, set up the arc frame, the back shaft, the vortex spring, the pressure plate with strain the tooth, the 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, the chemical fertilizer promotes the pressure plate and deflects to the left side, the pressure plate drives and strains the tooth to deflect and with the surface contact of first filter plate board to the left side, hold up the chemical fertilizer of great granule through straining the tooth, prevent that large granule chemical fertilizer and first filter plate surface contact from leading to the filter area of first filter plate board to reduce, 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 at A in FIG. 1 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;
fig. 6 is a schematic cross-sectional structural view of the vibration device of the present invention.
Wherein: 1. a base; 2. a positioning frame; 3. a support rail; 4. positioning the clamping ball; 5. a discharge duct; 6. a connecting ring; 7. screening the cylinder; 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 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 rolling type multi-stage sieving 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, one end of the supporting cross rod 3, which is far away from the positioning frame 2, is fixedly connected with a positioning clamp ball 4, 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 sieving cylinder 7 through a bearing, the whole sieving process is positioned in the sieving cylinder 7, dust is reduced through a closed sieving 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 sieving cylinder 7 at a position which is on the left side of the middle, a discharging pipeline 5 is fixedly connected to the position which is on the outer wall of the front side of the sieving cylinder 7 and is on the left side of the sieving cylinder 8, a power transmission rod 9 is fixedly connected to the clamping groove 12 of the power transmission rod, and a clamping block 11 is connected to the inner side of the motor 12, the power transmission rod 9 is driven to rotate by the power motor 13, the power transmission rod 9 drives the transmission gear 131 to rotate when rotating, the transmission gear 131 rotates under the limit of the limit ring 10, the power motor 13 is driven by the power transmission rod 9 to move along the limit clamp 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 do circular track motion by the power transmission rod 9 when moving, so that the power transmission rod 9 shakes in the vertical direction and the horizontal direction, the internal fertilizer moves left and right in the power transmission rod 9, the first filter screen plate 18 and the reverse filter screen plate 21 are sieved 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, the small granulated fertilizer passes through the first filter screen plate 18 and the reverse filter screen plate 21, the sieving efficiency is improved, the tooth sockets are formed on the inner wall of the limit ring 10, the transmission gear 131 is meshed with the limiting ring 10, the transmission gear 131 drives the power transmission rod 9 to rotate along the limiting ring 10 under the action of tooth sockets on the inner wall of the limiting ring 10 when rotating, the positioning rod 14 is fixedly connected to the top of the base 1 and positioned near the right side, the positioning rotating shaft 15 is rotatably connected to the left side wall of the positioning rod 14 and positioned near the top through a bearing, the centers of circles 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 the direction adjusting connecting rod 16, the left side wall of the direction adjusting connecting rod 16 and positioned at one end far away from the positioning rotating shaft 15 are fixedly connected with the transmission rotating shaft 17, the transmission rotating shaft 17 penetrates through the sieving cylinder 7 and extends into the sieving cylinder 7, the inner wall of the sieving cylinder 7 and positioned at the left side of the feeding pipeline 8 are fixedly connected with the first filter screen plate 18, the inner wall of the screening cylinder 7 is fixedly connected with a second filter screen plate 19 at the left position of the discharge pipeline 5, the inner wall of the screening cylinder 7 is fixedly connected with a third filter screen plate 20 at the left position of the second filter screen plate 19, the filter diameters of the first filter screen plate 18, the second filter screen plate 19 and the third filter screen plate 20 are gradually decreased, the chemical fertilizer is sequentially screened through the first filter screen plate 18, the second filter screen plate 19 and the third filter screen plate 20, the chemical fertilizer is classified according to the diameter size, the first filter screen plate 18, the second filter screen plate 19 and the third filter screen plate 20 are arranged, the chemical fertilizer screened through the first filter screen plate 18 is screened through the second filter screen plate 19 again, the chemical fertilizer screened through the second filter screen plate 19 is screened through the third filter screen plate 20 again, multi-stage screening can be carried out once, the process is reduced, volatilization and dust generated during processing and transferring are reduced, and the screening accuracy is improved, and is convenient for subsequent fertilizer to use in farmlands with different demands, the inner wall of the sieving cylinder 7 is fixedly connected with a reverse filter screen plate 21 at the position which is on the right side of the middle, one end of the transmission rotating shaft 17 extending to the inside of the sieving cylinder 7 penetrates through the first filter screen plate 18, the second filter screen plate 19, the 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 upper part of the right side of the first filter screen plate 18, 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 the 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 opposite direction, when the transmission rotating shaft 17 rotates, the sealing limit plate 22 is always positioned at the side which is close to the center of the lower limit ring 10 under the limit of the direction adjusting connecting rod 16 and the positioning rotating shaft 15, thereby rotate when the left end of screening section of thick bamboo 7 to leaning on the upside, transmission pivot 17 drives sealed limiting plate 22 and rotates to the downside that leans on of transmission pivot 17, thereby stop 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 through first filter screen board 18, thereby realize the effect that the tiny particle chemical fertilizer can only sieve the removal to the left and right sides, sealed limiting plate 22 can extrude the chemical fertilizer granule of 18 surface adhesions of first filter screen board when carrying out the pivoted and make the 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 is provided with vibrator 23 in the position that lies in between first filter screen board 18 and the second filter screen board 19, the position that leans on the downside outer wall and lie in 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 is fixedly connected with the position of the transmission rotating shaft 17, which is close to the lower outer wall and is positioned between the first filter screen plate 18 and the second filter screen plate 19, the sleeve 232 is fixedly connected with the bottom end of the mounting frame 231, the left sealing gasket 233 is movably sleeved in the sleeve 232 and is positioned close to the left side, the right sealing gasket 234 is movably sleeved in the sleeve 232 and is positioned close to 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 both made of magnet sheets, the vibrating ball 235 is cast by steel, the filter screen is made of iron mesh, the magnet sheets are arranged to ensure that the vibrating ball 235 cannot immediately roll when the sieving cylinder 7 just inclines, and the resultant force of the gravity of the vibrating ball 235 in the deflection direction of the sleeve 232 is increased along with the increase of the inclination angle, then the vibration ball 235 is separated from the magnet piece, thereby increasing the speed when the vibration ball 235 rolls downwards, improving the impact force and improving the vibration effect, 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 sieving cylinder 7 rotates to incline to the left, the vibration ball 235 rolls to the left inside the sleeve 232 and impacts the left sealing gasket 233, thereby impacting the second filter screen plate 19 through the left sealing gasket 233 to generate vibration, thereby improving the sieving efficiency of the second filter screen plate 19, when the sieving cylinder 7 rotates to incline to the right, the vibration ball 235 rolls to the right inside the sleeve 232 and impacts the right sealing gasket 234, the right sealing gasket 234 impacts the first filter screen plate 18, thereby vibrating the chemical fertilizer adhered on the right surface of the first filter screen plate 18 to make the chemical fertilizer fall off from 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, the left side wall of the arc-shaped frame 241 is fixedly connected with the right side wall of the sealing 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 close to the vortex spring 243 is fixedly connected with the bottom of the inner column, the outer end close to the vortex spring 243 is fixedly connected with the bottom of the outer ring, the pressure plate 244 can be released from contact with the first filter screen plate 18 when not being pushed by chemical fertilizer under the action of the vortex spring 243, the outer wall of the pressure plate 244 and 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 the adjacent filter teeth 245 on the right side of the second filter screen plate 19 is smaller than the interval between the adjacent filter teeth 245 on the right side of the first filter screen plate 18, the interval between the adjacent filter teeth 245 on the right side of the third filter screen plate 20 is smaller than the interval between the adjacent filter teeth 245 on the right side of the second filter screen plate 19, the intervals of the adaptive filter teeth 245 are adjusted according to the filtering diameters of different filter plates so as to lift up fertilizer particles with the appropriate sizes, the arc-shaped frames 241, 242, the vortex spring 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 shakes left and right 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, and the working procedures are reduced, when the screening cylinder 7 rotates to incline left, the fertilizer moves to the left along the inner wall of the screening cylinder 7 when the screening cylinder 7 inclines to the left, the fertilizer pushes the pressure plate 244 to deflect to the left, the pressure plate 244 drives the filter teeth 245 to deflect to the left and contact with the surface of the first filter screen plate 18, larger 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 fertilizer and the surface of the first filter screen plate 18 is prevented, thereby improving the filtering efficiency, meanwhile, the vibration ball 235 rolls to the left side in the sleeve 232 and impacts the left sealing gasket 233, so that the second filter screen plate 19 is vibrated through the impact of the left sealing gasket 233 on the second filter screen plate 19, thereby improving the screening efficiency of the second filter screen plate 19, when the screening cylinder 7 rotates to incline to the right side, the vibration ball 235 rolls to the right side 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 chemical fertilizer adhered on the right side surface of the first filter screen plate 18 is vibrated to make the chemical fertilizer fall off from the first filter screen plate 18, thereby reducing the probability of blockage, when the left end of the screening cylinder 7 rotates along the limiting ring 10 under the driving of the power transmission rod 9, the right end of the screening cylinder 7 drives the driving rotating shaft 17 to rotate in the opposite direction, when the transmission shaft 17 rotates, the sealing limit plate 22 is always positioned at 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 shaft 15, so that when the left end of the sieving cylinder 7 rotates to the upper side, the transmission shaft 17 drives the sealing limit plate 22 to rotate to the lower side close to the transmission shaft 17, thereby blocking the first filter screen plate 18, preventing the fertilizer filtered by the first filter screen plate 18 in the sieving cylinder 7 from reversely passing through the first filter screen plate 18, thereby realizing the effect that the small-particle fertilizer can only carry out sieving movement to the left side and the right side, extruding the fertilizer particles adhered to the surface of the first filter screen plate 18 while rotating the sealing limit plate 22 to separate the fertilizer particles from the first filter screen plate 18, thereby preventing blockage, after the sieving is completed, opening the discharge pipeline 5 and the feed pipeline 8, when the rotation of the sieving cylinder 7 is controlled, the discharge pipeline 5 and the feed pipeline 8 rotate to the downward position, thereby discharging the fertilizer particles after the internal screening, and finishing 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 (6)
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 automatic sieving machine is characterized in that a positioning frame (2) is fixedly connected to the position of the top of the base (1) and located on the front side of the middle, a supporting cross rod (3) is fixedly connected to the position of the rear side wall of the positioning frame (2) and located on the position close to the top, a positioning clamping ball (4) is fixedly connected to one end, far away from the positioning frame (2), of the supporting cross rod (3), 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 sieving cylinder (7) through a bearing, a feeding pipeline (8) is fixedly connected to the position, far away from the front side outer wall of the sieving cylinder (7) and located on the left side of the middle, of the sieving cylinder (7), a discharging pipeline (5) is fixedly connected to the position, close to the front side outer wall of the feeding pipeline (8), a power transmission rod (9) is fixedly connected to the left side wall of the sieving cylinder (7) and located on the middle, a limit ring (10) is fixedly connected to the top of the base (1) and located on the left side, a limit ring (10) is fixedly connected to the left side through a support, a clamp groove (11) is formed in the left side wall of the left side, a clamp groove (11) is fixedly connected to the left side, a clamp block (12) is connected to a motor output end of a motor (13), and a motor (12) is connected to the motor, the outer wall of the power transmission rod (9) is fixedly connected with a transmission gear (131) at 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, the left end of the positioning rotating shaft (15) is fixedly connected with a direction adjusting connecting rod (16), the left side wall of the direction adjusting connecting rod (16) is fixedly connected with a transmission rotating shaft (17) at the end far away from the positioning rotating shaft (15), and the transmission rotating shaft (17) penetrates through the sieving cylinder (7) and extends into the sieving cylinder (7), the inner wall of screening section of thick bamboo (7) is located the first filter screen board of the left position fixedly connected with (18) of charging conduit (8), the inner wall of screening section of thick bamboo (7) is located the left position fixedly connected with second filter screen board (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 screen board (20) of second filter screen board (19), the inner wall of screening section of thick bamboo (7) is located the reverse filter screen board of position fixedly connected with (21) of 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 screen board (18), second filter screen board (19), the device comprises a third filter screen plate (20) and a reverse filter screen plate (21), wherein a sealing limit plate (22) is fixedly connected to the outer wall of a transmission rotating shaft (17) and is positioned close to the upper position of the right side of the first filter screen plate (18), a vibration device (23) is arranged on the outer wall of the bottom of the transmission rotating shaft (17) and is positioned between the first filter screen plate (18) and the second filter screen plate (19), and an auxiliary screening device (24) is arranged on the outer wall of the lower side of the transmission rotating shaft (17) and is positioned on the right side of the sealing limit plate (22);
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) is fixedly connected with the lower outer wall of the transmission rotating shaft (17) and is positioned between the first filter screen plate (18) and the second filter screen plate (19), the sleeve (232) is fixedly connected with the bottom end of the mounting frame (231), the left sealing gasket (233) is movably sleeved in the sleeve (232) and is positioned at the position close to the left side, the right sealing gasket (234) is movably sleeved in the sleeve (232) and is positioned at the position close to the right side, and the vibrating ball (235) is movably clamped in the sleeve (232);
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), the left side wall of the arc-shaped frame (241) is fixedly connected with the right side wall of the sealing limiting plate (22) and is located 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 pressure plate (244) is fixedly connected with the outer wall of the supporting shaft (242) and is located close to the front side, and the filter teeth (245) are fixedly connected with the front side wall of the pressure plate (244);
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).
2. 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.
3. The screen machine according to claim 1, 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 all 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).
4. The screen machine according to claim 1, 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.
5. The screen machine according to claim 1, 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.
6. The screen machine according to claim 1, wherein: the circle centers of the connecting ring (6), the limiting ring (10) and the positioning rotating shaft (15) are positioned on the same axis.
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