CN112871660B - Rapid screening device and screening method for alloy particles - Google Patents
Rapid screening device and screening method for alloy particles Download PDFInfo
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- CN112871660B CN112871660B CN202110023082.1A CN202110023082A CN112871660B CN 112871660 B CN112871660 B CN 112871660B CN 202110023082 A CN202110023082 A CN 202110023082A CN 112871660 B CN112871660 B CN 112871660B
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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
- B07B1/04—Stationary flat 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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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Abstract
The invention discloses a device and a method for rapidly screening alloy particles, and the device comprises a box body, wherein a main screening mechanism is fixedly arranged in the middle of the inner wall of the box body, the main screening mechanism comprises a bearing plate, one end of the bearing plate is fixedly connected with the output end of a driving motor, one side of the driving motor is fixedly connected with the middle of one side of the inner wall of the box body, the other end of the bearing plate is fixedly connected with a plurality of connecting rods which are arranged at equal intervals, and one ends of the connecting rods are fixedly connected with a plurality of screening units; according to the rapid screening device and the screening method for the alloy particles, provided by the invention, the screening units are arranged to uniformly divide the alloy particles fed into the screening belt, so that the screening uniformity is improved, the alloy particles in the screening net frame can be fully mixed and stirred by utilizing the combined action of centrifugal force and gravity driven by the rotation of the mechanism, and the screening speed of the alloy particles is greatly improved.
Description
Technical Field
The invention relates to a screening device, in particular to a rapid screening device and a screening method for alloy particles.
Background
The smelting of metal and alloy materials plays a very important role in the development process of human civilization. The alloy particles are metal particles formed by partially or completely alloying two or more components.
In daily industrial production process, in order to further promote the quality of alloy particles, powder sticky slag, impurities and the like with sizes exceeding the requirements need to be removed by involution, and simultaneously, alloy particles with different sizes are screened, so that the alloy particles are convenient to use in the production and processing links with higher quality requirements.
Because the alloy particles are heavy in mass, common screening equipment is difficult to fully overturn and stir the alloy particles, so that the alloy particles with different sizes are mixed together, the screening speed is low, the efficiency is low, the conventional alloy particle screening equipment usually has only one screening process, the multistage screening of the alloy particles cannot be realized, and the application range is small; meanwhile, the existing screening device is easy to accumulate a large amount of heat in the process of continuously rubbing alloy particles in the using process, and works in a high-temperature environment for a long time, so that the failure rate of the equipment is high.
Disclosure of Invention
The invention aims to provide a device and a method for rapidly screening alloy particles, which aim to solve the problems in the background technology:
(1) the existing screening equipment is difficult to fully turn over and stir the alloy particles, the screening speed is low, and the efficiency is low;
(2) the existing screening equipment cannot realize multi-stage screening of alloy particles, and the application range is small;
(3) the existing screening equipment is easy to accumulate a large amount of heat in the process of continuously rubbing alloy particles in the using process, and works in a high-temperature environment for a long time, so that the failure rate of the equipment is high.
In order to achieve the purpose, the invention provides the following technical scheme:
a quick screening device for alloy particles comprises a box body, wherein a main screening mechanism is fixedly installed in the middle of the inner wall of the box body, the main screening mechanism comprises a bearing plate, one end of the bearing plate is fixedly connected with the output end of a driving motor, one side of the driving motor is fixedly connected with the middle of one side of the inner wall of the box body, the other end of the bearing plate is fixedly connected with a plurality of connecting rods which are arranged at equal intervals, and one end of each connecting rod is fixedly connected with a plurality of screening units; a coarse material screening mechanism is fixedly mounted on one side of the inner wall of the box body, and a fine material screening mechanism is fixedly mounted on the other side of the inner wall of the box body; the utility model discloses a screening machine, including box top, feeder hopper, the equal fixedly connected with bracing piece in both sides of feeder hopper bottom, the center fixedly connected with passage of feeder hopper bottom, the bottom of passage and the correspondence of main screening mechanism are arranged.
As a further scheme of the invention: the screening unit comprises a mounting plate, a screening motor is fixedly mounted on one side of the mounting plate, a crank is fixedly connected to the output end of the screening motor, the other end of the crank is fixedly connected with one end of one side of a driving turntable, one end of the driving turntable is rotatably connected with a screening rotary drum, one end of the screening rotary drum is fixedly connected with a screening rotary plate, one side of the screening rotary plate is fixedly connected with one side of a screening net frame, a cover opening mechanism is fixedly mounted at the top of the screening net frame, the cover opening mechanism comprises a net frame cover, a material passing opening is formed in the center of the top of the screening net frame, two sides of the net frame cover are respectively in sliding connection with two sides of the inner wall of the material passing opening, motor covers are fixedly mounted on two sides of the top of the screening net frame, cover opening motors are fixedly mounted on the inner walls of the two motor covers, and adjusting gears are fixedly connected with output ends of the two opening motors, tooth grooves are formed in the two sides of the top of the screen frame cover, and the inner walls of the two tooth grooves are respectively in meshed connection with one sides of the two adjusting gears; limiting rods are fixedly arranged at the two ends of the other side of the screening rotating plate; the main screening mechanism further comprises a connecting ring, and the middle parts of the connecting rods are fixedly connected with one side of the connecting ring.
As a further scheme of the invention: the coarse material screening mechanism comprises a material receiving unit, the material receiving unit comprises a partition plate, a material receiving port is formed in the middle of the partition plate, a material receiving plate is connected to the inner wall of the material receiving port in an inserting mode, one end of the material receiving plate is bent upwards, a short plate is fixedly connected to the bottom of the material receiving plate, and the bottom of the short plate is fixedly connected with the output end of a material receiving cylinder; the coarse material screening mechanism further comprises a screening receiving hopper, a push plate is fixedly connected to the middle of the bottom of the screening receiving hopper, buffer springs are fixedly connected to two sides of the push plate, a supporting plate is fixedly connected to one end of each of the two buffer springs, one end of each of the two supporting plates is fixedly connected with one end of one side of the inner wall of the box body, a vibrator is fixedly mounted at one end of the bottom of the screening receiving hopper, one side of the screening receiving hopper is fixedly connected with the output end of a second unloading motor, the top of the screening receiving hopper is arranged in an open shape, a plurality of screening openings which are uniformly distributed are formed in the bottom of the screening receiving hopper, and the top of the screening receiving hopper is arranged corresponding to the other end of the receiving plate; the box comprises a box body, and is characterized in that a first coarse material outlet is formed in the middle of one end of one side of the box body, a second coarse material outlet is formed in the bottom of one end of one side of the box body, a coarse material discharging plate is fixedly connected to the bottom of one end of the inner wall of the box body, the coarse material discharging plate is arranged in an inclined mode, and the lower end of the coarse material discharging plate is higher than the second coarse material outlet.
As a further scheme of the invention: the fine material screening mechanism comprises a screening barrel, the bottom of the screening barrel is fixedly connected with a screen, the middle part of the inner wall of the screening barrel is fixedly connected with a stirring motor, the output end of the stirring motor is fixedly connected with a stirring rod, and one side of the screening barrel is fixedly connected with the output end of a first unloading motor; the other end of one side of the inner wall of the box body is fixedly provided with a lifting conveying belt, the belt surface of the lifting conveying belt is fixedly connected with a plurality of material containing boxes which are uniformly distributed, and the top end of the lifting conveying belt is arranged corresponding to one side of the top of the screening barrel; the fine material screening mechanism comprises a baffle plate, the bottom of the baffle plate is provided with a through hole, the bottom of the partition plate is fixedly connected with a material guide plate, and one end of the material guide plate penetrates through the through hole and is arranged corresponding to the bottom end of the lifting conveying belt; the box comprises a box body and is characterized in that a first fine material outlet is formed in the middle of the other end of one side of the box body, a second fine material outlet is formed in the bottom of the other end of one side of the box body, a first fine material discharging plate is fixedly connected to one side of the first fine material outlet, and a second fine material discharging plate is fixedly connected to one side of the second fine material outlet.
As a further scheme of the invention: the guide block is fixedly connected to the other side of the screening barrel, a through hole is formed in the top of the guide block, a cavity is formed in the guide block, a backflow port is formed in the bottom of one side of the inner wall of the screening barrel, a backflow plate is fixedly connected to one side of the inner wall of the cavity, and one end of the backflow plate is arranged corresponding to one side of the backflow port.
As a further scheme of the invention: the top fixed mounting of division board one side has heat dissipation cooling mechanism, heat dissipation cooling mechanism includes a plurality of ventilating fan, a plurality of one side of ventilating fan respectively with the one end fixed connection of a plurality of air duct, a plurality of the other end of air duct all with external refrigeration plant's output fixed connection.
As a further scheme of the invention: the feeding device is characterized in that a feeding plate is fixedly connected to one side of the middle of the inner wall of the guide pipe, a closing plate is connected to one end of the feeding plate in a clamping mode, and one end of the closing plate is fixedly connected with the output end of the feeding cylinder.
The invention also provides a screening method of the alloy particle rapid screening device, which comprises the following steps:
the method comprises the following steps: feeding alloy particles to be screened into a feeding hopper, starting a feeding cylinder to drive a sealing plate to move so as to separate the sealing plate from contact with a feeding plate, enabling the alloy particles to fall into the screening screen frame from a material passing hole in the top of the screening screen frame under the action of gravity, pushing the sealing plate to be clamped with the feeding plate by the feeding cylinder to seal a material guide pipe, and starting a sealed material passing hole by a cover opening mechanism;
step two: the driving motor is started to drive the connecting rod to rotate, so that the screening net frame at the next position is aligned with the bottom of the material guide pipe, and then the step one is repeated until all the inner walls of the screening net frames are filled with alloy particles;
step three: the exhaust fan is started to supply air to cool the interior of the box body, the driving motor continues to rotate to drive the plurality of screening net frames to rotate, and meanwhile, the plurality of screening motors are started to drive the driving turntable to rotate, so that the screening net frames rotate around the screening rotary drum under the action of gravity and centrifugal force, and smaller alloy particles pass through the meshes of the screening net frames under the action of continuous overturning and fall onto the material guide plate;
step four: the lifting conveying belt is started, the alloy particles on the material guide plate are fed into the sieve gate, the stirring motor is started to drive the stirring rod to rotate to stir the alloy particles in the sieving barrel, and the alloy particles pass through meshes with the sieve screen and fall on the second fine material discharging plate and are discharged from the second fine material outlet;
step five: the driving cylinder drives one of the screening net frames to move to a discharging position on one side of the material receiving port, the material receiving cylinder pushes the material receiving plate to move, so that the end part of the material receiving plate corresponds to the bottom of the screening net frame, then the cover opening mechanism on the screening net frame is started to drive the net frame cover to move, the material passing port is opened, so that the alloy particles in the material receiving plate move to the interior of the screening material receiving hopper, then the material receiving cylinder drives the material receiving plate to recover, and the steps are repeated until all the screening net frames finish discharging;
step six: the vibrator is started to drive the screening receiving hopper to shake continuously, so that smaller alloy particles in the screening receiving hopper fall into the coarse material discharging plate through the screening opening and are discharged through the second coarse material outlet;
step seven: after screening is finished, the first discharging motor drives the screening barrel to rotate, so that the alloy particles in the screening barrel fall on the first fine material discharging plate and are discharged from the first fine material outlet; the second discharging motor drives the screening receiving hopper to rotate, so that the alloy particles in the screening receiving hopper are discharged from the first coarse material outlet.
Compared with the prior art, the invention has the beneficial effects that: according to the rapid screening device and the screening method for the alloy particles, the screening units are arranged to equally divide the alloy particles fed into the screening belt, so that the screening uniformity is improved, the screening units are driven to rotate by the driving motor, meanwhile, the screening units drive the screening net frame to rotate by the screening motor, and the alloy particles in the screening net frame can be fully mixed by utilizing the combined action of centrifugal force and gravity driven by the rotation of the mechanism; by arranging the coarse material screening unit and the fine material screening unit, the alloy particles are screened in multiple stages and are sent out from a plurality of outlets, so that the alloy particles are convenient to process and use subsequently; through setting up heat dissipation cooling mechanism, send into cold wind to the box is inside, reduce inner structure's temperature, prolong the life of equipment.
Drawings
FIG. 1 is a perspective view of a device for rapidly screening alloy particles;
FIG. 2 is a sectional view of an apparatus for rapidly screening alloy particles;
FIG. 3 is a side view of a screening unit of the alloy particle rapid screening device;
FIG. 4 is a perspective view of a screen frame of a rapid screening device for alloy particles;
FIG. 5 is a cross-sectional view of a screen frame of a rapid screening device for alloy particles;
FIG. 6 is a perspective view of a screening receiving hopper of the alloy particle rapid screening device.
In the figure: 1. a box body; 2. a carrier plate; 3. a connecting rod; 4. a feed hopper; 5. a support bar; 6. a material guide pipe; 7. screening motors; 8. a crank; 9. driving the turntable; 10. a screening drum; 11. screening a rotating plate; 12. screening a screen frame; 13. a mesh frame cover; 14. a motor cover; 15. an adjusting gear; 16. a limiting rod; 17. a connecting ring; 18. a partition plate; 19. a material receiving plate; 20. a material receiving cylinder; 21. screening a receiving hopper; 22. pushing the plate; 23. a buffer spring; 24. a first coarse material outlet; 25. a second coarse material outlet; 26. a coarse material discharging plate; 27. a screening barrel; 28. screening a screen; 29. a stirring motor; 30. a stirring rod; 31. a first discharge motor; 32. lifting the conveyor belt; 33. a baffle plate; 34. a material guide plate; 35. a first fines outlet; 36. a second fines outlet; 37. a guide block; 38. a return plate; 39. a ventilating fan; 40. a feeding plate; 41. a closing plate; 42. a feed cylinder; 43. a screening port; 44. a material containing box; 45. and a second discharge motor.
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, in the embodiment of the invention, an alloy particle rapid screening device and a screening method thereof include a box body 1, wherein a main screening mechanism is fixedly installed in the middle of the inner wall of the box body 1, the main screening mechanism includes a bearing plate 2, one end of the bearing plate 2 is fixedly connected with the output end of a driving motor, one side of the driving motor is fixedly connected with the middle of one side of the inner wall of the box body 1, the other end of the bearing plate 2 is fixedly connected with a plurality of connecting rods 3 which are arranged at equal intervals, and one ends of the connecting rods 3 are fixedly connected with a plurality of screening units; a coarse material screening mechanism is fixedly arranged on one side of the inner wall of the box body 1, and a fine material screening mechanism is fixedly arranged on the other side of the inner wall of the box body 1; a feed hopper 4 is fixedly arranged at the center of the top of the box body 1, support rods 5 are fixedly connected to two sides of the bottom of the feed hopper 4, a material guide pipe 6 is fixedly connected to the center of the bottom of the feed hopper 4, and the bottom of the material guide pipe 6 is arranged corresponding to the main screening mechanism; the screening unit is driven to rotate by the driving motor, and the overturning mixing capacity of the alloy particles in the screening unit is enhanced by the centrifugal force; through setting up coarse fodder screening unit and fine material screening unit, carry out multistage screening to the alloy granule, be convenient for subsequent processing and use.
The screening unit comprises a mounting plate, a screening motor 7 is fixedly mounted on one side of the mounting plate, a crank 8 is fixedly connected with the output end of the screening motor 7, the other end of the crank 8 is fixedly connected with one end of one side of a driving turntable 9, one end of the driving turntable 9 is rotatably connected with a screening rotary drum 10, one end of the screening rotary drum 10 is fixedly connected with a screening rotary plate 11, one side of the screening rotary plate 11 is fixedly connected with one side of a screening net frame 12, a cover opening mechanism is fixedly mounted on the top of the screening net frame 12, the cover opening mechanism comprises a net frame cover 13, a material passing port is formed in the center of the top of the screening net frame 12, two sides of the net frame cover 13 are respectively in sliding connection with two sides of the inner wall of the material passing port, motor covers 14 are fixedly mounted on two sides of the top of the screening net frame 12, cover opening motors are fixedly mounted on the inner walls of the two motor covers 14, and adjusting gears 15 are fixedly connected with the output ends of the two opening motors, tooth grooves are formed in the two sides of the top of the net frame cover 13, and the inner walls of the two tooth grooves are respectively in meshed connection with one sides of the two adjusting gears 15; both ends of the other side of the screening rotating plate 11 are fixedly provided with limiting rods 16; the main screening mechanism further comprises a connecting ring 17, the middle parts of the connecting rods 3 are fixedly connected with one side of the connecting ring 17, the screening units are driven to rotate by the driving motor, meanwhile, the screening units drive the screening net frames to rotate by the screening motor, and alloy particles of the screening net frames 12 can be fully mixed by utilizing the combined action of centrifugal force and gravity driven by the rotation of the mechanism, so that the screening speed of the alloy particles is greatly improved; the net frame cover 13 is opened and closed by arranging the cover opening mechanism, so that the screening net frame 12 can be automatically switched between the feeding state and the discharging state without manual operation, and the production can be automatically and continuously carried out.
The coarse material screening mechanism comprises a material receiving unit, the material receiving unit comprises a partition plate 18, a material receiving port is formed in the middle of the partition plate 18, a material receiving plate 19 is inserted and connected to the inner wall of the material receiving port, one end of the material receiving plate 19 is bent upwards, a short plate is fixedly connected to the bottom of the material receiving plate 19, and the bottom of the short plate is fixedly connected with the output end of a material receiving cylinder 20; the coarse material screening mechanism further comprises a screening receiving hopper 21, a middle fixedly connected push plate 22 at the bottom of the screening receiving hopper 21, buffer springs 23 are fixedly connected to two sides of the push plate 22, one ends of the two buffer springs 23 are fixedly connected with supporting plates, one ends of the two supporting plates are fixedly connected with one end of one side of the inner wall of the box body 1, a vibrator is fixedly mounted at one end of the bottom of the screening receiving hopper 21, one side of the screening receiving hopper 21 is fixedly connected with the output end of a second discharging motor 45, the top of the screening receiving hopper 21 is arranged in an open shape, a plurality of screening ports 43 which are uniformly distributed are formed in the bottom of the screening receiving hopper 21, and the top of the screening receiving hopper 21 and the other end of the receiving plate 19 are correspondingly arranged; a first coarse material outlet 24 is formed in the middle of one end of one side of the box body 1, a second coarse material outlet 25 is formed in the bottom of one end of one side of the box body 1, a coarse material discharging plate 26 is fixedly connected to the bottom of one end of the inner wall of the box body 1, the coarse material discharging plate 26 is obliquely arranged, and the lower end of the coarse material discharging plate in height faces the second coarse material outlet 25; the material receiving cylinder 20 is arranged to drive the material receiving plate 19 to move in a reciprocating manner, so that the screening net frame 12 in rotation is avoided while the alloy particles are received; the screening opening 43 is formed in the screening receiving hopper 21, so that the alloy particles are further screened, and the screening receiving hopper 21 is driven to turn over by the second discharging motor 45, so that the receiving and discharging operations of the alloy particles are realized.
The fine material screening mechanism comprises a screening barrel 27, the bottom of the screening barrel 27 is fixedly connected with a screen 28, the middle part of the inner wall of the screening barrel 27 is fixedly connected with a stirring motor 29, the output end of the stirring motor 29 is fixedly connected with a stirring rod 30, and one side of the screening barrel 27 is fixedly connected with the output end of a first discharging motor 31; the other end of one side of the inner wall of the box body 1 is fixedly provided with a lifting conveyer belt 32, the belt surface of the lifting conveyer belt 32 is fixedly connected with a plurality of material containing boxes 44 which are uniformly distributed, and the top end of the lifting conveyer belt 32 is arranged corresponding to one side of the top of the screening barrel 27; the fine material screening mechanism comprises a baffle 33, the bottom of the baffle 33 is provided with a through hole, the bottom of the partition plate 18 is fixedly connected with a material guide plate 34, and one end of the material guide plate 34 penetrates through the through hole to be arranged corresponding to the bottom end of the lifting conveyer belt 32; a first fine material outlet 35 is formed in the middle of the other end of one side of the box body 1, a second fine material outlet 36 is formed in the bottom of the other end of one side, a first fine material discharging plate is fixedly connected to one side of the first fine material outlet 35, and a second fine material discharging plate is fixedly connected to one side of the second fine material outlet 36; hold the alloy granule through screening bucket 27, drive puddler 30 through agitator motor 29 and rotate the alloy granule and share the stirring, improve the alloy granule screening speed in the screening bucket 27.
The other side of the screening barrel 27 is fixedly connected with a guide block 37, the top of the guide block 37 is provided with a through hole, a cavity is formed inside the guide block 37, the bottom of one side of the inner wall of the screening barrel 27 is provided with a return port, one side of the inner wall of the cavity is fixedly connected with a return plate 38, and one end of the return plate 38 is arranged corresponding to one side of the return port; the top surface of the guide block 37 is set to be an inclined surface, and the inclined surface is parallel to the belt surface of the lifting conveyer belt 32, so as to collect alloy particles scattered at the top end of the lifting conveyer belt 32.
A heat dissipation and cooling mechanism is fixedly installed at the top of one side of the partition plate 18 and comprises a plurality of ventilating fans 39, one sides of the ventilating fans 39 are fixedly connected with one ends of the plurality of air guide pipes respectively, and the other ends of the plurality of air guide pipes are fixedly connected with the output end of an external refrigeration device; through setting up heat dissipation cooling mechanism, send into cold wind to 1 insides of box, reduce inner structure's temperature, prolong the life of equipment.
A feeding plate 40 is fixedly connected to one side of the middle part of the inner wall of the material guide pipe 6, one end of the feeding plate 40 is connected with a closing plate 41 in a clamping manner, and one end of the closing plate 41 is fixedly connected with the output end of a feeding cylinder 42; the feeding amount of the screening mechanism can be accurately controlled, and the feeding uniformity is improved.
The invention also provides a screening method of the alloy particle rapid screening device, which comprises the following steps:
the method comprises the following steps: feeding alloy particles to be screened into a feed hopper 4, starting a feed cylinder 42 to drive a closing plate 41 to move, so that the closing plate 41 is separated from contact with a feed plate 40, the alloy particles fall into the interior of a screening screen frame 12 from a feed opening at the top of the screening screen frame 12 under the action of gravity, then pushing the closing plate 41 by the feed cylinder 42 to be clamped with the feed plate 40, closing a material guide pipe 6, and then starting a closed feed opening by a cover opening mechanism;
step two: the driving motor is started to drive the connecting rod 3 to rotate, so that the screening net frame 12 at the next position is aligned with the bottom of the material guide pipe 6, and then the step one is repeated until all the inner walls of the screening net frames 12 are filled with alloy particles;
step three: the exhaust fan is started to supply air to cool the interior of the box body 1, the driving motor continues to rotate to drive the plurality of screening net frames 12 to rotate, and meanwhile, the plurality of screening motors 7 are started to drive the driving turntable 9 to rotate, so that the screening net frames 12 rotate around the screening rotary drum 10 under the action of gravity and centrifugal force, and smaller alloy particles pass through the meshes of the screening net frames 12 under the action of continuous overturning and fall onto the material guide plate 34;
step four: the lifting conveyer belt 32 is started, alloy particles on the material guide plate 34 are fed into the sieve gate, the stirring motor 29 is started, the stirring rod 30 is driven to rotate to stir the alloy particles in the sieving barrel 27, and the alloy particles pass through meshes of the sieve 28 and fall on the second fine material discharging plate and are discharged from the second fine material outlet 36;
step five: the driving cylinder drives one of the screening net frames 12 to move to a discharging position on one side of the material receiving port, the material receiving cylinder 20 pushes the material receiving plate 19 to move, so that the end part of the plate of the material receiving plate 19 corresponds to the bottom of the screening net frame 12, then a cover opening mechanism on the screening net frame is started to drive the net frame cover 13 to move, the material passing port is opened, so that the alloy particles in the screening net frame move to the interior of a screening material receiving hopper 21 along the material receiving plate 19, then the material receiving cylinder 20 drives the material receiving plate 19 to recover, and the steps are repeated until all the screening net frames 12 finish discharging;
step six: the vibrator is started to drive the screening receiving hopper 21 to shake continuously, so that the smaller alloy particles in the screening receiving hopper 21 fall into the coarse material discharging plate 26 through the screening opening 43 and are discharged out through the second coarse material outlet 25;
step seven: after the screening is finished, the first discharging motor 31 drives the screening barrel 27 to rotate, so that the alloy particles in the screening barrel fall on the first fine material discharging plate and are discharged from the first fine material outlet 35; the second discharging motor 45 drives the screening receiving hopper 21 to rotate, so that the alloy particles in the screening receiving hopper are discharged from the first coarse material outlet 24.
When the feeding device is used, alloy particles to be screened are fed into the feeding hopper 4, the feeding cylinder 42 is started to drive the closing plate 41 to move, so that the closing plate 41 is separated from the feeding plate 40, the alloy particles fall into the screening net frame 12 from the material passing opening in the top of the screening net frame 12 under the action of gravity, then the feeding cylinder 42 pushes the closing plate 41 to be clamped with the feeding plate 40, the material guide pipe 6 is closed, the cover opening motor is started to drive the adjusting gear 15 to rotate, the net frame cover 13 is pushed to move, the material passing opening is closed, and the feeding operation of the screening net frame 12 is completed; then, the driving motor is started to drive the connecting rod 3 to rotate, so that the screening net frame 12 at the next position is aligned with the bottom of the material guide pipe 6, and the feeding operation is carried out again until all the inner walls of the screening net frames 12 are filled with alloy particles;
external refrigeration equipment and an exhaust fan are started to supply air to cool the interior of the box body 1, a driving motor continues to rotate to drive a plurality of screening net frames 12 to rotate, and meanwhile, a plurality of screening motors 7 are started to drive a driving turntable 9 to rotate, so that the screening net frames 12 rotate around a screening rotary drum 10 under the action of gravity and centrifugal force, and smaller alloy particles pass through meshes of the screening net frames 12 under the continuous overturning action and fall onto a material guide plate 34;
the lifting conveyer belt 32 is started, alloy particles on the material guide plate 34 are fed into the sieve gate, the stirring motor 29 is started, the stirring rod 30 is driven to rotate to stir the alloy particles in the sieving barrel 27, and the alloy particles pass through meshes of the sieve 28 and fall on the second fine material discharging plate and are discharged from the second fine material outlet 36;
the driving cylinder drives one of the screening net frames 12 to move to a discharging position on one side of the material receiving port, the material receiving cylinder 20 pushes the material receiving plate 19 to move, so that the end part of the plate of the material receiving plate 19 corresponds to the bottom of the screening net frame 12, then a cover opening mechanism on the screening net frame is started to drive the net frame cover 13 to move, the material passing port is opened, so that the alloy particles in the material receiving plate 19 move to the inside of a screening material receiving hopper 21, then the material receiving cylinder 20 drives the material receiving plate 19 to be recovered, the discharging operation of the screening net frame 12 is completed, then the screening net frame 12 on the next station is located at the discharging position, and the discharging operation is repeated until all the screening net frames 12 finish discharging;
the vibrator is started to drive the screening receiving hopper 21 to shake continuously, so that the smaller alloy particles in the screening receiving hopper 21 fall into the coarse material discharging plate 26 through the screening opening 43 and are discharged out through the second coarse material outlet 25;
after the screening is finished, the first discharging motor 31 drives the screening barrel 27 to rotate, so that the alloy particles in the screening barrel fall on the first fine material discharging plate and are discharged from the first fine material outlet 35; the second discharging motor 45 drives the screening receiving hopper 21 to rotate, so that the alloy particles in the screening receiving hopper are discharged from the first coarse material outlet 24.
"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding, screwing or gluing; "rotationally coupled" means that two components are coupled together and capable of relative motion.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (2)
1. The quick screening device for the alloy particles comprises a box body (1) and is characterized in that a main screening mechanism is fixedly installed in the middle of the inner wall of the box body (1), the main screening mechanism comprises a bearing plate (2), one end of the bearing plate (2) is fixedly connected with the output end of a driving motor, one side of the driving motor is fixedly connected with the middle of one side of the inner wall of the box body (1), the other end of the bearing plate (2) is fixedly connected with a plurality of connecting rods (3) which are arranged at equal intervals, and one ends of the connecting rods (3) are fixedly connected with a plurality of screening units; a coarse material screening mechanism is fixedly mounted on one side of the inner wall of the box body (1), and a fine material screening mechanism is fixedly mounted on the other side of the inner wall of the box body (1); a feed hopper (4) is fixedly installed in the center of the top of the box body (1), support rods (5) are fixedly connected to two sides of the bottom of the feed hopper (4), a material guide pipe (6) is fixedly connected to the center of the bottom of the feed hopper (4), and the bottom of the material guide pipe (6) is arranged corresponding to the main screening mechanism;
the screening unit comprises a mounting plate, one side of the mounting plate is fixedly provided with a screening motor (7), the output end of the screening motor (7) is fixedly connected with a crank (8), the other end of the crank (8) is fixedly connected with one end of one side of a driving turntable (9), one end of the driving turntable (9) is rotatably connected with a screening rotary drum (10), one end of the screening rotary drum (10) is fixedly connected with a screening rotary plate (11), one side of the screening rotary plate (11) is fixedly connected with one side of a screening net frame (12), the top of the screening net frame (12) is fixedly provided with a cover opening mechanism, the cover opening mechanism comprises a net frame cover (13), a material through hole is formed in the center of the top of the screening net frame (12), two sides of the net frame cover (13) are respectively in sliding connection with two sides of the inner wall of the material through hole, and motor covers (14) are fixedly arranged on two sides of the top of the screening net frame (12), cover opening motors are fixedly mounted on the inner walls of the two motor covers (14), the output ends of the two cover opening motors are fixedly connected with adjusting gears (15), tooth grooves are formed in two sides of the top of the net frame cover (13), and the inner walls of the two tooth grooves are respectively in meshed connection with one sides of the two adjusting gears (15); both ends of the other side of the screening rotating plate (11) are fixedly provided with limiting rods (16); the main screening mechanism further comprises a connecting ring (17), and the middle parts of the connecting rods (3) are fixedly connected with one side of the connecting ring (17);
the coarse material screening mechanism comprises a material receiving unit, the material receiving unit comprises a partition plate (18), a material receiving port is formed in the middle of the partition plate (18), a material receiving plate (19) is inserted and connected to the inner wall of the material receiving port, one end of the material receiving plate (19) is bent upwards, a short plate is fixedly connected to the bottom of the material receiving plate (19), and the bottom of the short plate is fixedly connected with the output end of a material receiving cylinder (20); the coarse material screening mechanism also comprises a screening receiving hopper (21), the middle part of the bottom of the screening receiving hopper (21) is fixedly connected with a push plate (22), buffer springs (23) are fixedly connected with both sides of the push plate (22), one ends of the two buffer springs (23) are fixedly connected with supporting plates, one ends of the two supporting plates are fixedly connected with one end of one side of the inner wall of the box body (1), a vibrator is fixedly arranged at one end of the bottom of the screening receiving hopper (21), one side of the screening receiving hopper (21) is fixedly connected with the output end of a second discharging motor (45), the top of the screening receiving hopper (21) is arranged in an open shape, the bottom of the screening receiving hopper (21) is provided with a plurality of screening openings (43) which are uniformly distributed, the top of the screening receiving hopper (21) is arranged corresponding to the other end of the receiving plate (19); a first coarse material outlet (24) is formed in the middle of one end of one side of the box body (1), a second coarse material outlet (25) is formed in the bottom of one end of one side of the box body, and a coarse material discharging plate (26) is fixedly connected to the bottom of one end of the inner wall of the box body (1);
the fine material screening mechanism comprises a screening barrel (27), the bottom of the screening barrel (27) is fixedly connected with a screen (28), the middle of the inner wall of the screening barrel (27) is fixedly connected with a stirring motor (29), the output end of the stirring motor (29) is fixedly connected with a stirring rod (30), and one side of the screening barrel (27) is fixedly connected with the output end of a first discharging motor (31); the other end of one side of the inner wall of the box body (1) is fixedly provided with a lifting conveyer belt (32), the belt surface of the lifting conveyer belt (32) is fixedly connected with a plurality of material containing boxes (44) which are uniformly distributed, and the top end of the lifting conveyer belt (32) is arranged corresponding to one side of the top of the screening barrel (27); the fine material screening mechanism comprises a baffle (33), a through hole is formed in the bottom of the baffle (33), a material guide plate (34) is fixedly connected to the bottom of the partition plate (18), and one end of the material guide plate (34) penetrates through the through hole and is arranged corresponding to the bottom end of the lifting conveying belt (32); a first fine material outlet (35) is formed in the middle of the other end of one side of the box body (1), a second fine material outlet (36) is formed in the bottom of the other end of one side, a first fine material discharging plate is fixedly connected to one side of the first fine material outlet (35), and a second fine material discharging plate is fixedly connected to one side of the second fine material outlet (36);
the other side of the screening barrel (27) is fixedly connected with a guide block (37), the top of the guide block (37) is provided with a through hole, a cavity is formed in the guide block (37), the bottom of one side of the inner wall of the screening barrel (27) is provided with a backflow port, one side of the inner wall of the cavity is fixedly connected with a backflow plate (38), and one end of the backflow plate (38) is arranged corresponding to one side of the backflow port;
the top of one side of the partition plate (18) is fixedly provided with a heat dissipation and cooling mechanism, the heat dissipation and cooling mechanism comprises a plurality of ventilation fans (39), one sides of the ventilation fans (39) are fixedly connected with one ends of the air guide pipes respectively, and the other ends of the air guide pipes are fixedly connected with the output end of an external refrigeration device;
the feeding device is characterized in that a feeding plate (40) is fixedly connected to one side of the middle of the inner wall of the material guide pipe (6), a closing plate (41) is connected to one end of the feeding plate (40) in a clamping mode, and one end of the closing plate (41) is fixedly connected with the output end of a feeding cylinder (42).
2. The alloy particle rapid screening device according to claim 1, wherein the screening method of the alloy particles by the device comprises the following steps:
the method comprises the following steps: feeding alloy particles to be screened into a feeding hopper (4), starting a feeding cylinder (42) to drive a closing plate (41) to move, so that the closing plate (41) is separated from the feeding plate (40), the alloy particles fall into the screening screen frame (12) from a material passing port at the top of the screening screen frame (12) under the action of gravity, then pushing the closing plate (41) by the feeding cylinder (42) to be clamped with the feeding plate (40), closing a material guide pipe (6), and then starting a closed material passing port by a cover opening mechanism;
step two: the driving motor is started to drive the connecting rod (3) to rotate, so that the screening net frame (12) at the next position is aligned with the bottom of the material guide pipe (6), and then the step one is repeated until the inner walls of all the screening net frames (12) are filled with alloy particles;
step three: the exhaust fan is started to supply air to cool the interior of the box body (1), the driving motor continues to rotate to drive the plurality of screening net frames (12) to rotate, meanwhile, the plurality of screening motors (7) are started to drive the driving turntable (9) to rotate, so that the screening net frames (12) rotate around the screening rotary drum (10) under the action of gravity and centrifugal force, and smaller alloy particles pass through meshes of the screening net frames (12) under the action of continuous overturning and fall onto the material guide plate (34);
step four: the lifting conveyer belt (32) is started, alloy particles on the material guide plate (34) are fed into the screening gate, the stirring motor (29) is started to drive the stirring rod (30) to rotate to stir the alloy particles in the screening barrel (27), so that the alloy particles pass through meshes of the screen (28) and fall on the second fine material discharging plate, and are discharged from the second fine material outlet (36);
step five: the driving cylinder drives one of the screening net frames (12) to move to a discharging position on one side of the material receiving port, the material receiving cylinder (20) pushes the material receiving plate (19) to move, the end part of the material receiving plate (19) corresponds to the bottom of the screening net frame (12), then the cover opening mechanism on the screening net frame (12) is started to drive the net frame cover (13) to move, the material passing port is opened, so that the alloy particles in the screening net frame move to the interior of the screening material receiving hopper (21) along the material receiving plate (19), then the material receiving cylinder (20) drives the material receiving plate (19) to recover, and the step is repeated until all the screening net frames (12) finish discharging;
step six: the vibrator is started to drive the screening receiving hopper (21) to shake continuously, so that small alloy particles in the screening receiving hopper (21) fall into the coarse material discharging plate (26) through the screening opening (43) and are discharged through the second coarse material outlet (25);
step seven: after screening is finished, the first discharging motor (31) drives the screening barrel (27) to rotate, so that the alloy particles in the screening barrel fall on the first fine material discharging plate and are discharged from a first fine material outlet (35); the second discharging motor (45) drives the screening receiving hopper (21) to rotate, so that the alloy particles in the screening receiving hopper are sent out from the first coarse material outlet (24).
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