CN111660458A - High-efficient sieving mechanism of plastics master batch - Google Patents
High-efficient sieving mechanism of plastics master batch Download PDFInfo
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- CN111660458A CN111660458A CN202010531355.9A CN202010531355A CN111660458A CN 111660458 A CN111660458 A CN 111660458A CN 202010531355 A CN202010531355 A CN 202010531355A CN 111660458 A CN111660458 A CN 111660458A
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- shell
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- filter plate
- plastic master
- master batches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Abstract
The invention discloses a high-efficiency screening device for plastic master batches, and particularly relates to the technical field of material screening, wherein the device comprises a shell, a feed hopper is communicated with the center of the top of the shell, a scattering mechanism is arranged at the position, corresponding to the feed hopper, of the top of an inner cavity of the shell, and a screening mechanism is arranged at the bottom of the scattering mechanism; the scattering mechanism comprises a driving motor which is fixedly arranged on the outer wall of the shell. The invention uses the breaking mechanism to break or break plastic master batches with the grain diameter larger than the standard grain diameter or adhered into clusters, then the plastic master batches fall onto the first filter plate, the plastic master batches falling onto the first filter plate are vibrated by the exciting force generated by the vibration motor, so that the particles collide relatively to raise dust, and then the raised light chips/dust are discharged by matching with the reverse impact force of gas and the suction force of the exhaust fan, and the falling materials can be blocked by the extension of the shielding mechanism, thereby realizing the non-stop work of the screening device.
Description
Technical Field
The invention relates to the technical field of material screening, in particular to an efficient screening device for plastic master batches.
Background
The master batch (named Masterbatches) is a plastic processing aid standing for the development of the 80 th years in the 20 th century and consists of excessive chemical aids, carrier resin, dispersant and the like. In the processing and forming process, the inorganic filler and the resin are firstly put into an internal mixer for internal mixing, discharged and put into a single-screw extruder for granulation after the process requirements are met, and finally cooled and screened.
However, the existing master batch screening device has low screening efficiency and low material reutilization rate, so that part of material production raw materials cannot be effectively utilized.
The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
In order to overcome the above defects in the prior art, the embodiment of the present invention provides an efficient screening device for plastic master batches, and the technical problems to be solved by the present invention are: how to improve the screening efficiency and the reutilization rate of the materials.
In order to achieve the purpose, the invention provides the following technical scheme: the efficient screening device for the plastic master batches comprises a shell, wherein a feed hopper is communicated with the center of the top of the shell, a scattering mechanism is arranged at the top of an inner cavity of the shell corresponding to the feed hopper, and a screening mechanism is arranged at the bottom of the scattering mechanism;
the scattering mechanism comprises a driving motor which is fixedly arranged on the outer wall of the shell, the end part of an output shaft of the driving motor penetrates through the shell at the corresponding position, a rotating shaft is fixedly connected, a plurality of groups of first supporting rods are uniformly distributed on the outer peripheral surface of the rotating shaft, a plurality of first fixing columns are symmetrically arranged on two sides of each first supporting rod, a first arc plate and a second arc plate are respectively arranged on two sides of the bottom end of the feeding hopper, and a plurality of second supporting rods which are uniformly distributed are fixedly arranged on the inner side walls of the first arc plate and the second arc plate, a plurality of second fixing columns which are uniformly distributed are symmetrically arranged on two sides of the second supporting rod, the surfaces of the second fixing columns positioned on the inner sides of the second arc plates are coated with bristles, two fixing rings are respectively arranged on the outer side walls of the first arc plate and the second arc plate, a cross rod is fixedly sleeved in the fixed ring, and two ends of the cross rod are fixedly connected with the inner wall of the shell at corresponding positions;
screening mechanism is including the first filter plate and the second filter plate that top-down set up, the equal fixed mounting of first filter plate and second filter plate is on the casing inside wall, second filter plate bottom is provided with the gas transmission frame of fixed mounting on the casing inside wall, gas transmission frame bottom is provided with collects the box, the position punishment that the casing outside corresponds first filter plate and gas transmission frame do not is equipped with vibrating motor and air pump, and vibrating motor fixed mounting on the casing outer wall, first filter plate is the cavity setting, vibrating motor's output shaft tip runs through the casing that corresponds the position to fixedly connected with passes the frame that shakes, the inside of arranging first filter plate in is erect to the transmission shakes, the end of giving vent to anger of air pump runs through the casing that corresponds the position to be linked together with the gas transmission frame.
The implementation mode is as follows: during the use, the plastic master batch that will wait to screen is carried to the casing inside through the feeder hopper through the inlet pipe, and be linked together this sieving mechanism with external power source, after the plastic master batch enters into the casing inside, can utilize and break up the mechanism and carry out breakage or break up the processing to the plastic master batch that the particle size is greater than standard particle size or adhesion is reunited, then fall into on first filter plate, and utilize the exciting force that vibrating motor produced to shake the plastic master batch that falls onto first filter plate, make and take place relative collision between the particle and raise the dust, and make the plastic master batch that reaches/is less than standard particle size pass through first filter plate and carry out processing on next step, then cooperate gaseous reverse impulsive force and the suction of air discharge fan to discharge the light piece/dust that raises, the quality of plastic master batch after not only having improved the screening, can also reduce environmental pollution, improve screening efficiency.
In a preferred embodiment, a plurality of the first supporting rods and the second supporting rods and the first fixing columns and the second fixing columns are alternately arranged, and the plastic master batches with the grain size larger than the standard grain size or adhered into a mass can be crushed or scattered by the aid of the force of opposite movement between the first supporting rods and the second supporting rods.
In a preferred embodiment, the central angle corresponding to the first arc plate is equal to the included angle formed between two adjacent first supporting rods, and the arc length of the second arc plate is twice the arc length of the first arc plate, so that the materials can be prevented from being accumulated on the inner side of the second arc plate, and the condition that the bristles on the surface of the second fixed column clean the first fixed column is affected.
In a preferred embodiment, the gas transmission frame comprises a plurality of hollow circular rings concentrically arranged, two adjacent hollow circular rings are communicated through a communication pipe, the top end surface of each hollow circular ring is provided with a plurality of vertical pipes which are communicated with the hollow circular rings and uniformly distributed in an annular manner, so that the uniform distribution of the reverse impact force of gas is ensured, and the top ends of the vertical pipes are fixedly provided with a protective cover which can prevent plastic master batches falling down due to the reverse impact force of gas from being overcome from blocking the vertical pipes, thereby influencing the normal conveying of the gas.
In a preferred embodiment, a baffle is embedded at a position corresponding to the first filter plate and the second filter plate on one side of the shell, a push plate is embedded at the other side of the shell, a turnover mechanism is arranged at the top end of the baffle, a guide plate with an inclined arrangement is arranged at the bottom of the baffle, the baffle is movably connected with the shell through the turnover mechanism, the top end of the guide plate is fixedly connected with the outer wall of the shell, a mounting frame is fixedly arranged at one side of the shell away from the guide plate, an air pump is fixedly arranged on the inner bottom end surface of the mounting frame, hydraulic cylinders are fixedly arranged at positions corresponding to the two push plates on the inner side wall of the mounting frame, piston rods at the output ends of the hydraulic cylinders are fixedly connected with the push plates, ejector rods are fixedly arranged at the top ends of the inner sides of the two push plates, when more, the baffle plate can be pushed open by the ejector rod, and then the pushed materials are classified and collected by the guide plate.
In a preferred embodiment, tilting mechanism is including the fixed plate that two symmetries set up, the fixed plate is connected with the outer wall of the casing fixed connection who corresponds the position, two through the bearing rotation between the fixed plate, baffle top both ends all are provided with fixed ear, fixed ear is fixed to be cup jointed at the bull stick outside, a plurality of torsional springs have been cup jointed in the outside activity of bull stick, and the both ends of torsional spring respectively with outer wall of the casing and baffle top end face butt, can make the baffle can arrange material automatic re-setting after the material by the back-up, the baffle is equipped with the fixed block towards one side of casing is fixed, and the terminal surface of fixed block sets up to the arc surface, ensures that the baffle can normally overturn.
In a preferred embodiment, a connecting column is fixedly arranged on the top end face of the inner side of the mounting rack, a shielding mechanism is arranged at the bottom of the connecting column, the shielding mechanism comprises a storage barrel, the bottom end of the connecting column is fixedly connected with the outer wall of the storage barrel, an outer barrel, a plurality of middle barrels and an inner barrel are arranged in the storage barrel, the outer barrel, the middle barrels and the inner barrel are sequentially and movably sleeved, a stopper is fixedly arranged at one end of a shell, the outer peripheral surface of the inner barrel is close to the shell, one end of the inner peripheral surface of the middle barrel, which is far away from the shell, and one end of the outer peripheral surface of the middle barrel, which is close to the shell, are fixedly connected with the inner cavity end face of the storage barrel, one end of the outer barrel, which is close to the shell, is fixedly connected with the outer wall of the top, the hydraulic cylinder can be used for driving the shielding mechanism to extend to block falling materials, and the non-stop work of the screening device is realized.
In a preferred embodiment, the casing is kept away from one side top fixed the inlaying of mounting bracket and is equipped with the air discharge fan, air discharge fan one end is connected with the dust exhaust pipe, and the one end that the air discharge fan was kept away from to the dust exhaust pipe is connected with the dust remover, and usable air discharge fan is with the light piece/dust suction of loss to carry to the dust remover inside through the dust exhaust pipe and collect the processing, the feeder hopper top can be dismantled and be connected with the lid, and lid top intercommunication is equipped with the conveying pipeline, can avoid the light dust/piece loss of loss to the external environment in.
In a preferred embodiment, the surface of the collecting box is provided with an end away from the driving motor and fixedly provided with a sealing plate, and the side walls of the housing on the corresponding side of the sealing plate and the sealing plate are made of transparent acrylic materials, so that the situation of material accumulation in one or more positions can be observed through the sealing plate on the front side of the collecting box and the housing on the corresponding side of the sealing plate.
The invention has the technical effects and advantages that:
1. the invention utilizes the breaking mechanism to crush or break up the plastic master batch with the grain diameter larger than the standard grain diameter or adhered into a group, then the plastic master batch falls onto the first filter plate, and the vibration force generated by the vibration motor is utilized to vibrate the plastic master batch falling onto the first filter plate, so that the particles are collided relatively to raise dust, and then the raised light scraps/dust are discharged by matching with the reverse impact force of gas and the suction force of the exhaust fan, thereby not only improving the quality of the screened plastic master batch, but also reducing the environmental pollution, improving the screening efficiency, producing and reusing the collected unqualified materials, and having strong practicability;
2. according to the invention, by arranging the shielding mechanism, when materials at one or more positions are accumulated, the two hydraulic cylinders can be started to work simultaneously to drive the push plate to move towards the baffle plate, the materials accumulated on the first filter plate and the second filter plate are pushed outwards by the push plate in the moving process and drive the outer cylinder to move so as to drive the middle cylinder to move, so that the outer cylinder, the middle cylinder and the inner cylinder which are in a contraction state in the containing cylinder are sequentially unfolded, the materials falling from the scattering mechanism are temporarily blocked, and the effect of cleaning without stopping is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an overall side view of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 4 is an enlarged view of portion B of fig. 2 according to the present invention.
FIG. 5 is a schematic view of a partial structure of the scattering mechanism of the present invention.
Fig. 6 is a top view of the gas delivery frame of the present invention.
Fig. 7 is a cross-sectional top view of a first filter plate of the present invention.
Fig. 8 is an assembly structure view of the baffle and the fixing block of the present invention.
FIG. 9 is a schematic view of a shielding mechanism according to the present invention.
Fig. 10 is a side cross-sectional view of the receiver of the present invention.
The reference signs are: 1 shell, 2 feed hoppers, 3 breaking mechanisms, 301 rotating shafts, 302 first supporting rods, 303 first fixing columns, 304 driving motors, 4 first arc plates, 5 second supporting rods, 6 second fixing columns, 7 bristles, 8 second arc plates, 9 fixing rings, 10 cross rods, 11 covers, 12 feed pipes, 13 exhaust fans, 14 dust exhaust pipes, 15 push plates, 16 baffle plates, 17 guide plates, 18 ejector rods, 19 mounting frames, 20 hydraulic cylinders, 21 vibration motors, 22 air pumps, 23 air transmission frames, 24 shields, 25 first filter plates, 26 second filter plates, 27 sealing plates, 28 collection boxes, 29 fixing blocks, 30 fixing plates, 31 fixing lugs, 32 vibration transmission frames, 33 connecting columns, 34 shielding mechanisms, 341 storage barrels, 342 outer barrels, 343 middle barrels, 344, 345 stoppers, 35 rotating rods and 36 torsion springs.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
The invention provides a high-efficiency screening device for plastic master batches, which comprises a shell 1, wherein a feed hopper 2 is communicated with the center of the top of the shell 1, a scattering mechanism 3 is arranged at the position, corresponding to the feed hopper 2, of the top of an inner cavity of the shell 1, and a screening mechanism is arranged at the bottom of the scattering mechanism 3;
the scattering mechanism 3 comprises a driving motor 304, the driving motor 304 is fixedly installed on the outer wall of the casing 1, the end part of the output shaft of the driving motor 304 penetrates through the casing 1 at the corresponding position and is fixedly connected with a rotating shaft 301, a plurality of groups of first supporting rods 302 are uniformly distributed on the outer circumferential surface of the rotating shaft 301, a plurality of first fixing columns 303 which are uniformly distributed are symmetrically arranged on two sides of the first supporting rods 302, a first arc plate 4 and a second arc plate 8 are respectively arranged on two sides of the bottom end of the feeding hopper 2, a plurality of second supporting rods 5 which are uniformly distributed are fixedly arranged on the inner side walls of the first arc plate 4 and the second arc plate 8, a plurality of second fixing columns 6 which are uniformly distributed are symmetrically arranged on two sides of the second supporting rods 5, the surface of the second fixing column 6 which is positioned on the inner side of the second arc plate 8 is coated with brush hair 7, and two fixing rings 9 are respectively arranged on the, a cross rod 10 is fixedly sleeved in the fixing ring 9, and two ends of the cross rod 10 are fixedly connected with the inner wall of the shell 1 at corresponding positions;
screening mechanism is including the first filter plate 25 and the second filter plate 26 that top-down set up, the equal fixed mounting of first filter plate 25 and second filter plate 26 is on 1 inside wall of casing, second filter plate 26 bottom is provided with gas transmission frame 23 of fixed mounting on 1 inside wall of casing, gas transmission frame 23 bottom is provided with collects the box 28, the position department that the casing 1 outside corresponds first filter plate 25 and gas transmission frame 23 is equipped with vibrating motor 21 and air pump 22 respectively, and vibrating motor 21 fixed mounting is on 1 outer wall of casing, first filter plate 25 is the cavity setting, vibrating motor 21's output shaft tip runs through the casing 1 that corresponds the position to fixedly connected with shakes frame 32, it sets up in the inside of first filter plate 25 to transmit the frame 32, the end of giving vent to anger of air pump 22 runs through the casing 1 that corresponds the position to be linked together with gas transmission frame 23.
The first supporting rods 302 and the second supporting rods 5, and the first fixing columns 303 and the second fixing columns 6 are alternately arranged.
The central angle that first arc board 4 corresponds equals the contained angle that forms between two adjacent first branches 302, the arc length of second arc board 8 is the twice of first arc board 4 arc length.
The gas transmission frame 23 comprises a plurality of hollow circular rings which are concentrically arranged, every two adjacent hollow circular rings are communicated through a communicating pipe, a plurality of vertical pipes communicated with the hollow circular rings are uniformly distributed on the top end surface of each hollow circular ring in an annular mode, and a protective cover 24 is fixedly arranged at the top end of each vertical pipe.
Casing 1 keeps away from one side top fixed the inlaying of mounting bracket 19 and is equipped with air discharge fan 13, air discharge fan 13 one end is connected with dust exhaust pipe 14, and the one end that air discharge fan 13 was kept away from to dust exhaust pipe 14 is connected with the dust remover, 2 tops of feeder hopper can be dismantled and be connected with lid 11, and 11 top intercommunications of lid are equipped with conveying pipeline 12.
As shown in fig. 1 to 5, the embodiment specifically is: in the practical use process, the plastic master batches to be screened are conveyed to the interior of the shell 1 through the feed hopper 2 through the feed pipe 12, the screening device is communicated with an external power supply, after entering the interior of the shell 1, the plastic master batches fall into a cavity formed between two adjacent groups of first supporting rods 302 on the scattering mechanism 3, wherein the plastic master batches with standard grain sizes and smaller than the standard grain sizes fall onto the first filter plate 25 through a gap on the scattering mechanism 3, the plastic master batches with grain sizes larger than the standard grain sizes or adhered into a mass can not fall in the gap on the scattering mechanism 3, and are driven by the driving motor 304 to rotate along with the rotation direction of the rotating shaft 301, when the plastic master batches move to the second supporting rods 5 on the inner side of the first arc plate 4, the plastic master batches with grain sizes larger than the standard grain sizes or adhered into a mass are crushed or scattered by utilizing the force of the opposite movement between the first supporting rods 302 and the second supporting rods 5, then the plastic master batches fall onto the first filter plate 25, when the first support rod 302 after unloading moves to the position of the second support rod 5 at the inner side of the second arc plate 8, the bristles 7 on the surface of the second fixing column 6 are used for cleaning the first fixing column 303 so as to remove plastic master batch residues adhered to the surface, the plastic master batches falling onto the first filter plate 25 are vibrated by the exciting force generated by the vibration transmission frame 32 under the action of the vibration motor 21, so that the plastic master batches falling onto the first filter plate 25 collide with each other, the plastic master batches reaching the standard grain size and being smaller than the standard grain size fall onto the second filter plate 26 through the first filter plate 25 in the collision process, and are retained on the first filter plate 25 when the plastic master batches do not reach the standard grain size, and the air pump 22 continuously blows air into the air transmission frame 23 in the vibration process of the first filter plate 25 and then blows the air out through a vertical pipe, the light chips/dust adhered to the surfaces of the plastic master batches falling from the first filter plate 25 and the light chips/dust generated in the vibration process are blown upwards by utilizing the recoil force of gas, then the dissipated light chips/dust are sucked out by the exhaust fan 13 and conveyed to the interior of the dust remover through the dust exhaust pipe 14 for collection and treatment, the plastic master batches with standard particle sizes fall on the top of the second filter plate 26 after overcoming the gas recoil force, the plastic master batches with smaller than the standard particle sizes fall into the collection box 28 through the second filter plate 26 after overcoming the gas recoil force, and are recycled, produced and reused together with the plastic master batches with the standard particle sizes and the light dust/dust after being screened, and the implementation mode specifically solves the problems of low screening efficiency and low material recycling rate of the existing screening device.
The position that casing 1 one side corresponds first filter plate 25 and second filter plate 26 all inlays and is equipped with baffle 16 and the opposite side all inlays and is equipped with push pedal 15, baffle 16 top is provided with tilting mechanism and the bottom is provided with the stock guide 17 that the slope set up, baffle 16 passes through tilting mechanism and 1 swing joint of casing, stock guide 17 top and 1 outer wall fixed connection of casing, casing 1 keeps away from one side of stock guide 17 and fixes and is equipped with mounting bracket 19, air pump 22 fixed mounting is on the inboard bottom face of mounting bracket 19, the position department that corresponds two push pedals 15 on the mounting bracket 19 inside wall all fixes and is equipped with pneumatic cylinder 20, the piston rod and the push pedal 15 fixed connection of pneumatic cylinder 20 output, and two the inboard top of push pedal 15 is all fixed and is equipped with ejector pin 18.
Tilting mechanism is including the fixed plate 30 that two symmetries set up, fixed plate 30 and the 1 outer wall fixed connection of casing that corresponds the position, two rotate through the bearing between the fixed plate 30 and be connected with bull stick 35, 16 top both ends of baffle all are provided with fixed ear 31, fixed the cup jointing of fixed ear 31 is outside at bull stick 35, a plurality of torsional springs 36 have been cup jointed in the outside activity of bull stick 35, and torsional spring 36's both ends respectively with the 16 top end face butts of casing 1 outer wall and baffle, baffle 16 is fixed to be equipped with fixed block 29 towards one side of casing 1, and the terminal surface of fixed block 29 sets up to the arc surface.
A connecting column 33 is fixedly arranged on the top end face of the inner side of the mounting frame 19, a shielding mechanism 34 is arranged at the bottom of the connecting column 33, the shielding mechanism 34 comprises a receiving cylinder 341, the bottom end of the connecting column 33 is fixedly connected with the outer wall of the receiving cylinder 341, an outer cylinder 342, a plurality of middle cylinders 343 and an inner cylinder 344 are arranged in the receiving cylinder 341, the outer cylinder 342, the middle cylinders 343 and the inner cylinder 344 are sequentially and movably sleeved, a stopper 345 is fixedly arranged at one end of the inner circumferential surface of the outer cylinder 342, which is close to the housing 1, at one end of the outer circumferential surface of the inner cylinder 344, which is far away from the housing 1, at one end of the outer circumferential surface of the middle cylinders 343, which is close to the housing 1, and at one end of the outer circumferential surface of the middle cylinders 343, which is close to the housing 1, which is close to the, the top end surfaces of the outer cylinder 342, the middle cylinder 343 and the inner cylinder 344 are all provided with arc surfaces.
Collect the fixed shrouding 27 that is equipped with of one end that the driving motor 304 was kept away from in box 28 surface setting, the casing 1 lateral wall that shrouding 27 and shrouding 27 correspond the side is transparent ya keli material component.
As shown in fig. 1 to 5, the embodiment specifically is: in the actual use process, when a worker observes that materials at one or more positions are stacked through the sealing plate 27 on the front side of the collecting box 28 and the shell 1 on the side corresponding to the sealing plate 27, the two hydraulic cylinders 20 can be started to work simultaneously to drive the push plate 15 to move towards the baffle plate 16, the push plate 15 is used to push the materials stacked on the first filter plate 25 and the second filter plate 26 outwards in the moving process, when the materials are more, the baffle plate 16 can be pushed open by the extrusion force of the materials on the baffle plate 16, when the materials are less, the baffle plate 16 can be pushed open by the ejector rod 18, then the pushed materials are classified and collected by the guide plate 17, in the pushing process of the push plate 15 above the first filter plate 25, the movement of the push plate 15 can drive the outer cylinder to move, and further drive the middle cylinder 343, so that the inner part of the receiving cylinder 341 is in a contracted state, and the outer cylinder 342, 342, The middle cylinder 343 and the inner cylinder 344 are sequentially unfolded to temporarily block the materials falling from the scattering mechanism 3, so that the materials slide to both sides along the arc surface at the top of the blocking mechanism 34 and are stacked, the blocking mechanism 34 completely blocks the materials, that is, the materials stacked above the first filter plate 25 and the second filter plate 26 are all discharged, the collecting box 28 is drawn out, the collected unqualified materials are produced and reused, after the completion, the hydraulic cylinder 20 drives the push plate 15 to be retracted, the materials stacked above the blocking mechanism 34 are dropped onto the first filter plate 25 for continuous cleaning, and the problem that the screening device in the prior art needs to be stopped and cleaned in the middle is specifically solved by the embodiment.
The working principle of the invention is as follows:
when the plastic master batch screening device is used, plastic master batches to be screened are conveyed into the shell 1 through the feed hopper 2 through the feed pipe 12, the screening device is communicated with an external power supply, after the plastic master batches enter the shell 1, the scattering mechanism 3 is utilized to crush or scatter the plastic master batches with the grain sizes larger than the standard grain size or adhered into a group, the plastic master batches fall onto the first filter plate 25, the plastic master batches falling onto the first filter plate 25 are vibrated by the exciting force generated by the vibration motor 21, so that the particles are collided relatively to raise dust, and then the raised light chips/dust are discharged by matching with the reverse impact force of gas and the suction force of the exhaust fan 13, thereby not only improving the quality of the screened plastic master batches, but also reducing environmental pollution and improving the screening efficiency, when the piled materials need to be removed, the materials can be discharged out of the shell 1 through the push plate 15 of the hydraulic cylinder 20, and the shielding mechanism 34 is driven to extend to block the falling materials, so that the non-stop work of the screening device can be realized.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. The utility model provides a high-efficient sieving mechanism of plastics master batch, includes casing (1), casing (1) top central point puts the intercommunication and is equipped with feeder hopper (2), its characterized in that: a scattering mechanism (3) is arranged at the position, corresponding to the feed hopper (2), of the top of the inner cavity of the shell (1), and a screening mechanism is arranged at the bottom of the scattering mechanism (3);
the scattering mechanism (3) comprises a driving motor (304), the driving motor (304) is fixedly installed on the outer wall of the shell (1), the end part of an output shaft of the driving motor (304) penetrates through the shell (1) at a corresponding position and is fixedly connected with a rotating shaft (301), a plurality of groups of first supporting rods (302) are uniformly distributed on the outer circumferential surface of the rotating shaft (301), a plurality of uniformly distributed first fixing columns (303) are symmetrically arranged on two sides of the first supporting rods (302), a first arc plate (4) and a second arc plate (8) are respectively arranged on two sides of the bottom end of the feed hopper (2), a plurality of uniformly distributed second supporting rods (5) are fixedly arranged on the inner side walls of the first arc plate (4) and the second arc plate (8), a plurality of uniformly distributed second fixing columns (6) are symmetrically arranged on two sides of the second supporting rods (5), and bristles (7) are coated on the surfaces of the second fixing columns (6) positioned on the inner side of the second arc plate, the outer side walls of the first arc plate (4) and the second arc plate (8) are respectively provided with two fixing rings (9), cross rods (10) are fixedly sleeved inside the fixing rings (9), and two ends of each cross rod (10) are fixedly connected with the inner wall of the shell (1) at corresponding positions;
the screening mechanism comprises a first filter plate (25) and a second filter plate (26) which are arranged from top to bottom, the first filter plate (25) and the second filter plate (26) are fixedly arranged on the inner side wall of the shell (1), an air transmission frame (23) fixedly arranged on the inner side wall of the shell (1) is arranged at the bottom of the second filter plate (26), a collection box (28) is arranged at the bottom of the air transmission frame (23), a vibration motor (21) and an air pump (22) are respectively arranged at the positions, corresponding to the first filter plate (25) and the air transmission frame (23), of the outer side of the shell (1), the vibration motor (21) is fixedly arranged on the outer wall of the shell (1), the first filter plate (25) is arranged in a hollow mode, the end portion of an output shaft of the vibration motor (21) penetrates through the shell (1) corresponding to the position, the vibration transmission frame (32) is fixedly connected with the vibration transmission frame, and the vibration frame (32), the air outlet end of the air pump (22) penetrates through the shell (1) at the corresponding position and is communicated with the air delivery frame (23).
2. The efficient screening device for the plastic master batches according to claim 1, characterized in that: the first supporting rods (302) and the second supporting rods (5) and the first fixing columns (303) and the second fixing columns (6) are alternately arranged.
3. The efficient screening device for the plastic master batches according to claim 1, characterized in that: the central angle that first arc board (4) correspond equals the contained angle that forms between two adjacent first branch (302), the arc length of second arc board (8) is the twice of first arc board (4) arc length.
4. The efficient screening device for the plastic master batches according to claim 1, characterized in that: the gas transmission frame (23) comprises a plurality of hollow circular rings which are concentrically arranged, every two adjacent hollow circular rings are communicated through a communicating pipe, the top end surface of each hollow circular ring is provided with a plurality of vertical pipes which are communicated with the hollow circular rings in an annular and uniform distribution mode, and the top ends of the vertical pipes are fixedly provided with protective covers (24).
5. The efficient screening device for the plastic master batches according to claim 1, characterized in that: the device is characterized in that a baffle (16) is embedded in a position, corresponding to a first filter plate (25) and a second filter plate (26), of one side of the shell (1), a push plate (15) is embedded in the other side of the shell, a turnover mechanism is arranged at the top end of the baffle (16), a guide plate (17) which is obliquely arranged is arranged at the bottom of the baffle (16), the baffle (16) is movably connected with the shell (1) through the turnover mechanism, the top end of the guide plate (17) is fixedly connected with the outer wall of the shell (1), a mounting frame (19) is fixedly arranged at one side, away from the guide plate (17), of the shell (1), an air pump (22) is fixedly arranged on the bottom end face of the inner side of the mounting frame (19), hydraulic cylinders (20) are fixedly arranged at positions, corresponding to the two push plates (15), on the inner side wall of the, and the top ends of the inner sides of the two push plates (15) are respectively and fixedly provided with an ejector rod (18).
6. The efficient screening device for the plastic master batches according to claim 5, characterized in that: tilting mechanism is including fixed plate (30) that two symmetries set up, fixed plate (30) and casing (1) outer wall fixed connection who corresponds the position, two rotate through the bearing between fixed plate (30) and be connected with bull stick (35), baffle (16) top both ends all are provided with fixed ear (31), fixed cover of fixed ear (31) is connected in bull stick (35) outside, a plurality of torsional springs (36) have been cup jointed in the outside activity of bull stick (35), and the both ends of torsional spring (36) respectively with casing (1) outer wall and baffle (16) top end face butt, baffle (16) are equipped with fixed block (29) towards one side of casing (1) is fixed, and the terminal surface of fixed block (29) sets up to the arc surface.
7. The efficient screening device for the plastic master batches according to claim 5, characterized in that: the inner side top end face of the mounting rack (19) is fixedly provided with a connecting column (33), the bottom of the connecting column (33) is provided with a shielding mechanism (34), the shielding mechanism (34) comprises a storage barrel (341), the bottom end of the connecting column (33) is fixedly connected with the outer wall of the storage barrel (341), an outer barrel (342), a plurality of middle barrels (343) and an inner barrel (344) are arranged in the storage barrel (341), the outer barrel (342), the middle barrels (343) and the inner barrel (344) are sequentially and movably sleeved, a stopper (345) is fixedly arranged at one end of the inner peripheral surface of the outer barrel (342), at one end of the outer peripheral surface of the inner barrel (344) close to the shell (1), at one end of the inner peripheral surface of the middle barrel (343) far away from the shell (1) and at one end of the outer peripheral surface of the middle barrel (343) close to the shell (1), and a stopper (345) is fixedly connected with the inner cavity end, one end of the outer cylinder (342) close to the shell (1) is fixedly connected with the outer wall of the top end of the push plate (15) above the first filter plate (25), and the top end surfaces of the outer cylinder (342), the middle cylinder (343) and the inner cylinder (344) are all arc surfaces.
8. The efficient screening device for the plastic master batches according to claim 5, characterized in that: casing (1) is kept away from one side top fixed the inlaying of mounting bracket (19) and is equipped with air discharge fan (13), air discharge fan (13) one end is connected with dust exhaust pipe (14), and the one end that air discharge fan (13) were kept away from in dust exhaust pipe (14) is connected with the dust remover, feeder hopper (2) top can be dismantled and be connected with lid (11), and lid (11) top intercommunication is equipped with conveying pipeline (12).
9. The efficient screening device for the plastic master batches according to claim 5, characterized in that: collect fixed shrouding (27) that is equipped with of one end that driving motor (304) was kept away from in box (28) surface setting, the casing (1) lateral wall that shrouding (27) and shrouding (27) correspond the side is transparent ya keli material component.
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