CN111330834A

CN111330834A - Intelligent screening system

Info

Publication number: CN111330834A
Application number: CN202010140246.4A
Authority: CN
Inventors: 赖顺兴; 赖华恩
Original assignee: Shenzhen Lihongjin Technology Co ltd
Current assignee: Shenzhen Lihongjin Technology Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-06-26
Anticipated expiration: 2040-03-03
Also published as: CN111330834B

Abstract

The invention relates to an intelligent screening system, relates to the technical field of screening systems, and aims to solve the problem of low efficiency of the screening system; the screening device comprises a screening chamber, a blockage clearing chamber, a first conveying chamber and a second conveying chamber which are sequentially arranged along the clockwise direction or the anticlockwise direction; wherein, a plurality of screening plates with screening holes are arranged in the screening chamber, and a blockage clearing structure is arranged in the blockage clearing chamber; in addition, the connecting wall between each room corresponds a plurality of screening boards respectively and is equipped with the movable port that supplies the screening board to slide into next indoor along clockwise or anticlockwise, and screening plant's the outside is equipped with and is used for pushing the driving assembly that the screening board pushed next indoor along clockwise or anticlockwise. The invention can automatically clear the blockage of the screening plate in the screening chamber, and can automatically recycle the cleared screening plate into the screening chamber again, thereby being beneficial to improving the screening efficiency of the screening system.

Description

Intelligent screening system

Technical Field

The invention relates to the technical field of screening systems, in particular to an intelligent screening system.

Background

The conductive powder is a novel conductive composite powder which can be widely used in the technical fields of conductive adhesives, conductive coatings, electromagnetic shielding coatings, conductive rubber, conductive plastics, polymer slurry, conductive and static conductive coatings and various micro-electronics with the requirements of conductivity, static conductivity and the like. However, the particle sizes of the conductive powders actually produced are usually different, and the conductive powders with a certain particle size range need to be screened, and a sieving machine is a common device for screening the conductive powders.

The Chinese utility model patent with the granted patent publication No. CN209918279U discloses a medicinal material sieving machine convenient for cleaning a filtering layer sieve, which comprises a sieving machine body, a feed inlet, a coarse filtering layer sieve, a fine filtering layer sieve, a collecting tray and a discharge port, wherein the feed inlet is arranged on the top wall of the sieving machine body; the rotating connection has the chamber door on the lateral wall of sieving machine body one side, is equipped with the groove of stepping down on the chamber door, rotates on the sieving machine body and is connected with the locking pole near the one end wall in groove of stepping down, and threaded connection has the locking piece on the locking pole.

The above prior art solutions have the following drawbacks: according to the prior art, the box door, the abdicating groove, the locking rod and the locking block are arranged, so that the vibrating screen machine body can be opened from the side wall, a collecting tray, a coarse filtering layer sieve and a fine filtering layer sieve in the vibrating screen machine body can be conveniently taken out, and the collecting tray, the coarse filtering layer sieve and the fine filtering layer sieve can be conveniently cleaned; however, when this prior art cleans the filter layer, need the manual work to pull out the filter layer from the sieving machine body and clean the back, the work efficiency who is unfavorable for improving the sieving machine body is gone back again to the reinstallation again.

Disclosure of Invention

Aiming at the defects in the prior art, one of the purposes of the invention is to provide an intelligent screening system which can automatically clear the blockage of the screening plate in the screening chamber and automatically recycle the cleared screening plate into the screening chamber, thereby being beneficial to improving the screening efficiency of the screening system.

The above object of the present invention is achieved by the following technical solutions:

an intelligent screening system comprises a base, a vibration structure arranged in the base and a screening device arranged above the base; the screening device comprises a screening chamber, a blockage clearing chamber, a first conveying chamber and a second conveying chamber which are sequentially arranged on the base in a clockwise direction or an anticlockwise direction, and the screening chamber, the blockage clearing chamber, the first conveying chamber and the second conveying chamber are distributed in a shape like a Chinese character 'tian'; the device comprises a screening chamber, a blockage removing chamber, a blocking cleaning chamber and a control system, wherein a plurality of screening plates with screening holes are arranged in the screening chamber along the height direction of the screening chamber, and a blockage removing structure for performing air injection blockage removal on the screening plates is arranged in the blockage removing chamber; in addition, the connecting wall between each room corresponds a plurality of respectively the screening board is equipped with the confession the screening board slides in next indoor movable opening along clockwise or anticlockwise, just screening plant's the outside be equipped with be used for with the screening board pushes next indoor drive assembly along clockwise or anticlockwise.

Through adopting above-mentioned technical scheme, after the screening work is accomplished to the screening board, push into the clear stifled room of screening board through fixing the drive assembly on the screening room, start the clear stifled structure in the clear stifled room of clearing and carry out the clear stifled back of jet-propelled to the screening board, restart and fix the drive assembly on the clear stifled room and push into first transfer chamber with the screening board, after that start fixing the drive assembly on first transfer chamber and push the screening board in the second transfer chamber, start at last and fix the drive assembly on the second transfer chamber and push into the screening room with the screening board, realize the self-cleaning and the automatic replenishment of screening board, be favorable to improving the degree of automation of screening system, thereby improve the work efficiency of screening system.

The present invention in a preferred example may be further configured to: the blockage removing structure comprises an air injection assembly, a lifting piece and a translation mechanism, wherein the lifting piece drives the air injection assembly to move up and down along the height direction of the blockage removing chamber, and the translation mechanism drives the air injection assembly to move left and right along the length direction or the width direction of the blockage removing chamber; the air injection assembly comprises a connecting rod and a plurality of air injection heads arranged on the connecting rod along the length direction of the connecting rod.

By adopting the technical scheme, after the screening plate is used up, the screening plate is pushed into the blockage removing chamber through the driving assembly, the air injection head is started to inject air to the screening plate, so that the conductive powder blocked in the screening holes is blown out, and the blockage removing work of the screening plate is completed; in addition, the lifting piece can drive the blockage removing assembly to move towards the direction close to the bottom of the blockage removing chamber, so that the blockage removing effect of the screening plate positioned at the bottom of the blockage removing chamber can be improved; the translation mechanism can drive the air injection assembly to move along the horizontal direction, and is favorable for cleaning the screening holes in all positions of the screening plate by the air injection assembly.

The present invention in a preferred example may be further configured to: the translation mechanism comprises a connecting plate arranged at the top of the blockage removing chamber, a sliding block connected with the connecting plate in a sliding manner along the length direction or the width direction of the connecting plate, a transmission assembly connected with the sliding block and a power assembly connected with the transmission assembly to drive the sliding block and the connecting plate to slide relatively; wherein, the bottom of sliding block with the connecting rod deviates from one side fixed connection of jet head.

Through adopting above-mentioned technical scheme, translation mechanism includes the connecting plate, through establishing the sliding block on the connecting plate, sliding block and connecting plate sliding connection to can drive and fix the jet-propelled subassembly under the sliding block and slide along the length direction or the width direction of connecting plate, thereby make the jet-propelled subassembly can clear stifled to more screening holes as far as possible.

The present invention in a preferred example may be further configured to: the transmission assemblies comprise transmission racks arranged on one sides of the sliding blocks, which are far away from the connecting rods, and transmission gears meshed with the transmission racks, wherein two groups of transmission assemblies are symmetrically arranged, and the two groups of transmission assemblies are respectively arranged close to the two end parts of the connecting rods; the power assembly comprises a transmission shaft arranged between two symmetrically arranged gears, a second flat gear fixed on the outer peripheral side of the transmission shaft, a first flat gear meshed with the second flat gear and a rotating motor used for driving the first flat gear to rotate.

By adopting the technical scheme, the two groups of transmission assemblies are symmetrically arranged, so that the stability of the air nozzle in the moving process is improved; in addition, the transmission shaft is arranged between the two groups of transmission assemblies, the second flat gear is arranged on the transmission shaft and meshed with the first flat gear, when the rotating motor is started, the rotating motor drives the second flat gear to rotate through the first flat gear, and the second flat gear drives the transmission gears at the two end parts of the rotating motor to rotate, so that the effect that one rotating motor drives the two groups of transmission assemblies to transmit simultaneously can be realized.

The present invention in a preferred example may be further configured to: the cross section of the screening plate is larger than that of the cavity in the screening chamber, a bearing groove for bearing the screening plate is formed in the inner side wall, opposite to the movable opening, of each chamber, and the upper surface and the lower surface of the screening plate are respectively abutted to the upper inner wall and the lower inner wall of the bearing groove.

By adopting the technical scheme, the cross section of the screening plate is larger than that of the cavity in the screening chamber, so that when the screening plate needs to be installed in the screening chamber, a bearing groove needs to be formed in the screening chamber or other chambers so as to insert the screening plate into the bearing groove; in addition, the upper surface and the lower surface of the screening plate are respectively abutted against the upper inner wall and the lower inner wall of the bearing groove, so that the stability of the screening plate is improved.

The present invention in a preferred example may be further configured to: the drive assembly is including fixing the lateral wall in each room in order to promote the screening board is followed clockwise or anticlockwise and is pushed down indoor promotion cylinder, the piston rod that promotes the cylinder is connected with and pushes away the strip, the length that pushes away the strip equals with the length or the width of screening board.

Through adopting above-mentioned technical scheme, drive assembly is including promoting the cylinder, and the piston rod that promotes the cylinder links to each other with pushing away the strip, when needs push away down next indoor with the screening board, can start promoting the cylinder, makes to promote the cylinder and drives and push away the strip and push the screening board next indoor, does not need the manual work frequently to dismantle the installation screening board with the screening board.

The present invention in a preferred example may be further configured to: the movable opening is provided with an adjusting component for adjusting the opening and closing of the movable opening, and the adjusting component comprises a barrier strip matched with the movable opening and an adjusting cylinder for driving the barrier strip to move up and down along the height direction of the connecting wall of each chamber.

Through adopting above-mentioned technical scheme, movable orifice department establishes adjusting part, when screening system carries out screening work, starts adjust cylinder earlier, makes adjust cylinder drive the direction motion of blend stop toward the movable opening, blocks the movable opening until the blend stop, and at this moment, carries on spacingly through the blend stop to the screening board, is favorable to improving the stability of screening board during operation.

The present invention in a preferred example may be further configured to: the top of screening room is equipped with the feeding structure, the feeding structure is including locating the support frame at screening room top, locate support frame and bottom are equipped with the feeder hopper of discharge gate, locate the discharge gate of feeder hopper is in order to be used for control the control assembly of the feeder hopper ejection of compact.

Through adopting above-mentioned technical scheme, set up the feeding structure at the top of screening room, the feeding structure includes the support frame, and the support frame is used for supporting the feeder hopper, and the feeder hopper is used for depositing the electrically conductive powder of treating the screening, and the discharge gate is established to the bottom of feeder hopper, and the control assembly of the ejection of compact of control feed inlet is established to discharge gate department, is favorable to reducing the labour, improves the intelligent of screening system.

The present invention in a preferred example may be further configured to: the control assembly comprises a feeding cylinder hinged to one side of the feeding hopper, a baffle positioned at a discharge port of the feeding hopper and connecting arms arranged at two end parts of the baffle; one end of the connecting arm is fixedly connected with the baffle, and the other end of the connecting arm extends to the feed hopper in the direction far away from the screening chamber and is hinged to the side wall of the feed hopper; in addition, a piston rod of the feeding cylinder is hinged with one side of the baffle.

Through adopting above-mentioned technical scheme, start feeding cylinder because the connection wall is articulated with the feeder hopper, so feeding cylinder's piston rod will drive the baffle and rotate, through the flexible length of piston rod in the control feeding cylinder, can adjust the size of the discharge gate of feeder hopper to the feeding volume of control conductive powder.

In summary, the invention includes at least one of the following beneficial technical effects: after the screening work is accomplished to the screening board, push into the clear stifled room of screening board through fixing the drive assembly on the screening room, start the clear stifled structure in the clear stifled room and carry out the clear stifled back of jet-propelled to the screening board, restart and fix the drive assembly on clear stifled room and push into first transfer chamber with the screening board, start the drive assembly who fixes on first transfer chamber after that and push the screening board in the second transfer chamber, start at last and fix in the drive assembly on the second transfer chamber pushes the screening board into the screening room, realize the self-cleaning and the automatic replenishment of screening board, be favorable to improving the degree of automation of screening system, thereby improve the work efficiency of screening system.

Drawings

FIG. 1 is a schematic diagram of the overall construction of the screening system of the present embodiment;

FIG. 2 is a schematic diagram of the feed structure of the screening system of this embodiment;

FIG. 3 is a top plan view of the screening system of the present embodiment;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic overall structure diagram of the blockage removing structure in the embodiment;

fig. 6 is a partially enlarged schematic view of a portion a in fig. 4.

In the figure, 1, a base; 11. a vibrating structure; 21. a screening chamber; 211. a feed inlet; 212. a feeding port; 22. clearing the blockage chamber; 23. a first transfer chamber; 24. a second transfer chamber; 25. a movable opening; 26. a bearing groove; 27. a chute; 3. a screening plate; 31. screening holes; 4. a feed structure; 41. an n-shaped frame; 42. a feed hopper; 421. a material storage cavity; 422. a blanking cavity; 43. a baffle plate; 44. a connecting arm; 45. a feed cylinder; 51. mounting a plate; 52. a push cylinder; 53. pushing the strips; 61. an adjusting cylinder; 62. connecting blocks; 63. blocking strips; 71. a connecting rod; 72. a gas showerhead; 73. a connecting plate; 74. a slider; 751. a drive rack; 752. a transmission gear; 753. rotating the motor; 754. a first spur gear; 755. a second spur gear; 756. a drive shaft; 761. a lifting cylinder; 762. a connecting seat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In this embodiment: referring to fig. 1, the intelligent screening system disclosed by the invention comprises a base 1, a vibrating structure 11 (refer to fig. 4) arranged in the base 1, and a screening device arranged above the base 1, wherein the screening device comprises a screening chamber 21, a blockage clearing chamber 22, a first conveying chamber 23 and a second conveying chamber 24 which are sequentially arranged on the base 1 along a clockwise direction or an anticlockwise direction, cavities are respectively arranged in the screening chamber 21, the blockage clearing chamber 22, the first conveying chamber 23 and the second conveying chamber 24, the shapes and the sizes of the cavities in the chambers are the same, specifically, the vertical cross sections of the cavities are rectangular, and the cross section of the screening device is shaped like a Chinese character 'tian'.

In this embodiment, in order to facilitate feeding the conductive powder to be screened into the screening chamber 21, referring to fig. 1, a feeding hole 211 is disposed at the top of the screening chamber 21, and a feeding structure 4 is disposed above the feeding hole 211, wherein a movable door (not shown) may be disposed at the feeding hole 211 to prevent the conductive powder from floating out of the feeding hole 211 during operation. Specifically, referring to fig. 1 and 2, feeding structure 4 includes the support frame, the support frame includes two symmetry welded fastening n word framves 41 at screening room 21 top, two n word framves 41 are put on the shelf and are equipped with feeder hopper 42, feeder hopper 42 is the square storage cavity 421 of vertical cross-section and is hopper-shaped unloading chamber 422 including erecting the cross-section, storage cavity 421 and unloading chamber 422 fixed connection, and one side that storage cavity 421 was kept away from to unloading chamber 422 is equipped with the discharge gate, the discharge gate of unloading chamber 422 is relative with the position of screening room 21's feed inlet 211, and discharge gate department is equipped with and is used for controlling the control assembly that conductive powder falls to screening room 21 in.

Referring to fig. 2, the control assembly includes a baffle 43 located below the discharge hole and used for covering the discharge hole, in this embodiment, the baffle 43 is specifically an arc-shaped plate, and an arc-shaped opening of the arc-shaped plate faces the discharge hole of the discharging cavity 422. Both ends fixedly connected with linking arm 44 of baffle 43, the one end that linking arm 44 kept away from baffle 43 extends to the lateral wall of unloading chamber 422 and through articulated installation on the lateral wall of unloading chamber 422 towards the direction of storage cavity 421 to when linking arm 44 rotates around unloading chamber 422, baffle 43 can follow linking arm 44 and rotate together, and the discharge gate of unloading chamber 422 can be kept away from to baffle 43 promptly, and the electrically conductive powder that waits to sieve that is located feeder hopper 42 just can get into on the screening board 3 of screening chamber 21 through the feed inlet 211 of screening chamber 21 top like this. In addition, a feeding cylinder 45 for driving the connecting arms 44 to rotate around the blanking cavity 422 is arranged on one side of the baffle 43, the feeding cylinder 45 is positioned between the two connecting arms 44, the cylinder body of the feeding cylinder 45 is hinged on the outer side wall of the blanking cavity 422, and the piston rod of the feeding cylinder 45 is hinged with one side of the baffle 43. When the feeding cylinder 45 is started, the piston rod of the feeding cylinder 45 extends and retracts to drive the baffle 43 and the connecting arm 44 to rotate.

Referring to fig. 3 and 4, a screening plate 3 having screening holes 31 is disposed in a cavity of the screening chamber 21, and conductive powder having a certain particle size range can be screened through the screening holes 31 of the screening plate 3. In the present embodiment, three screening plates 3 are arranged at intervals and in parallel, and the three screening plates 3 are arranged along the height direction of the screening chamber 21. Wherein, the size of screening hole 31 on same screening board 3 is the same, and the size of screening hole 31 on the different screening boards 3 is different, and the screening hole 31 of three screening board 3 reduces toward the direction that is close to base 1 along vertical direction gradually, and the specific diameter of screening hole 31 can be screened according to actual need. A plurality of different screening boards 3 that set up along the direction of height of screening room 21 use in combination, are favorable to the screening to go out the electrically conductive powder of different particle diameter scopes to satisfy different user demands. In addition, the outer side of the sieving chamber 21 is provided with three discharging ports 212 for discharging the conductive powder retained on the three sieving plates 3, respectively. When needs unloading, the valve of feed opening 212 department can be opened, because be equipped with the elastic component between base 1 and the screening plant, when vibrating structure 11 drove the screening plant vibration, under the effect of elastic component, the screening plant rocked, and the electrically conductive powder that supplies to pass through the screening can carry out the unloading from feed opening 212 department (be prior art about the vibration unloading part, this application is not repeated).

When the screening plate 3 screens the conductive powder, part of the conductive powder is easy to block in the screening holes 31 of the screening plate 3, and the screening efficiency of the screening plate 3 is affected, so that the conductive powder blocked in the screening holes 31 should be cleaned after the screening plate 3 is used up every time, and the next screening efficiency of the screening plate 3 is ensured. Therefore, in the present embodiment, a blockage removing structure for removing the conductive powder in the sieving holes 31 is provided in the blockage removing chamber 22.

Referring to fig. 4 and 5, the blockage removing structure comprises an air injection assembly, the air injection assembly specifically comprises a connecting rod 71 which is installed at the top of the blockage removing chamber 22 and is in a long strip shape, one side of the connecting rod 71, which faces the base 1, is provided with a plurality of linearly arranged air injection heads 72, and the air injection heads 72 are preferably high-pressure air injection heads 72. In addition, in order to clean as much as possible the screening holes 31 of the screening plate 3, the connecting rod 71 is connected to a translation mechanism which drives the connecting rod 71 to move horizontally in a direction perpendicular to the connecting rod 71.

Referring to fig. 4 and 5, the translation mechanism includes a connecting plate 73 located above the connecting rod 71, the width direction of the connecting plate 73 is perpendicular to the connecting rod 71, and two sets of sliding blocks 74 are slidably connected to the connecting plate 73 along the width direction thereof, each set of sliding blocks 74 includes two symmetrically arranged sliding blocks 74, the two symmetrically arranged sliding blocks 74 are connected through the connecting rod 71, and the sliding blocks 74 are located at two end portions of the connecting rod 71 and the sliding blocks 74 are located at a side of the connecting rod 71 away from the air nozzle 72. In this embodiment, in order to limit the position of the sliding block 74 and prevent the sliding block 74 from falling off the connecting plate 73, in this embodiment, the vertical section of the sliding block 74 is "T" shaped, and besides, the sliding block 74 can also be a dovetail block.

In order to drive the sliding block 74 to slide along the length direction of the connecting plate 73, in the embodiment, referring to fig. 4 and 5, a transmission assembly is connected to the sliding block 74, and a power assembly for driving the sliding block 74 to slide relative to the connecting plate 73 is connected to the transmission assembly. Specifically, the transmission assemblies are symmetrically provided with two groups, each group comprises a transmission rack 751 which is in sliding connection with the connecting plate 73 along the length direction of the connecting plate 73, and a transmission gear 752 is meshed above the transmission racks 751. The sliding blocks 74 in the same group are respectively welded or adhered and fixed at the same end of the two symmetrically arranged transmission racks 751. The power assembly comprises a rotating motor 753, the rotating motor 753 is specifically a servo motor, the servo motor is fixedly installed on the connecting plate 73, an output shaft of the servo motor is connected with a first flat gear 754, the first flat gear 754 is meshed with a second flat gear 755, an inner ring of the second flat gear 755 is fixedly connected with a transmission shaft 756, the transmission shaft 756 is located between two symmetrically arranged transmission gears 752, and two end portions of the transmission shaft 756 are respectively fixedly connected with the transmission gears 752.

In addition, since the distance between the screening plate 3 located at the bottom of the blockage clearing chamber 22 and the air jet head 72 is long, the problem that the cleaning effect of the screening plate 3 located at the bottom is poor is easily caused. In this embodiment, in order to solve this problem, one side that connecting plate 73 deviates from the jet-propelled subassembly is equipped with connecting seat 762, and connecting seat 762 is connected with the lift piece that drive connecting plate 73 drove the jet-propelled subassembly and reciprocate along the direction of height of clear stifled room 22, and the lift piece specifically is lift cylinder 761. In order not to prevent the sieving plate 3 from entering the blockage clearing chamber 22, in this embodiment, the cylinder body of the lifting cylinder 761 is installed at the top of the blockage clearing chamber 22, and the piston rod of the lifting cylinder 761 penetrates through the top of the blockage clearing chamber 22 and is welded and fixed with the connecting seat 762. Wherein, when the piston rod of the lifting cylinder 761 is not extended, the lowest position of the air nozzle 72 is higher than the upper part of the carrying groove 26 closest to the top of the block cleaning chamber 22, so that the screen plate 3 is not hindered from entering the block cleaning chamber 22.

Referring to fig. 3 and 4, in order to improve the working efficiency of the intelligent screening system, a movable opening 25 for the screening plate 3 to slide into the adjacent chamber is arranged between the two adjacent chambers of the screening device, and a driving component for driving the screening plate 3 to enter the next chamber along the clockwise direction or the anticlockwise direction is arranged on the outer side of the screening device. In the present embodiment, the sieving plate 3 is conveyed counterclockwise, that is, the sieving plate 3 in the sieving chamber 21 can be pushed into the blockage removing chamber 22 by the driving assembly in the counterclockwise direction.

Referring to fig. 1 and 4, to achieve pushing the sifting plate 3 in a counterclockwise direction into the next chamber, the sifting plate 3 is slidably connected to each chamber, and in this embodiment, the driving assembly is fixedly mounted on the outer sidewall of the next chamber of each chamber away from the counterclockwise direction. Wherein, the drive assembly of the lateral wall of every room all is equipped with three groups, and three drive assembly of group correspond the position of three screening board 3 respectively and set up. In addition, the driving assembly comprises mounting plates 51 mounted on the outer side walls of the chambers, a push cylinder 52 is fixedly mounted on the mounting plates 51, a piston rod of the push cylinder 52 extends towards the direction of the next chamber in the anticlockwise direction, a push bar 53 is fixedly connected to the piston rod of the push cylinder 52, and an inlet and an outlet for the push bar 53 to push the sieving plate 3 to enter the next chamber are formed in the positions of the chambers corresponding to the sieving plate 3. Activation of the push cylinder 52 causes the push bar 53 attached to the push cylinder 52 to push the screen panel 3 into the next compartment.

For the stability that improves screening board 3 and remove the in-process, in this embodiment, push away the length of strip 53 and be equal with the length of screening board 3, be favorable to the increase to push away the area of contact of strip 53 and screening board 3 to the improvement pushes away the strip 53 and is connected stability with screening board 3. In addition, the thickness of the push bar 53 is consistent with the width of the inlet and outlet of the push bar 53, the length of the push bar 53 is consistent with the length of the inlet and outlet, and the push bar 53 can be abutted against the inlet and outlet when the screening device works, so that the possibility that the conductive powder flies out of the screening chamber 21 from the inlet and outlet of the push bar 53 is reduced.

Referring to fig. 4 and 6, in the present embodiment, the cross section of the sieving plate 3 is larger than the cross section of the cavity in each chamber, and the two side walls of each chamber, which are not provided with the movable opening 25, are respectively recessed inward with a bearing groove 26 for bearing the sieving plate 3, the two bearing grooves 26 in the same chamber are communicated, and the cross section of the two bearing grooves 26 in the same chamber is "L" shaped. For stability when improving screening board 3 and sliding, in this embodiment, two upper and lower surfaces of screening board 3 offset with two upper and lower inside walls of bearing groove 26 respectively, and the lateral wall of screening board 3 offsets with the diapire of bearing groove 26.

In addition, in order to prevent the problem that the screening plate 3 enters the next chamber when the screening device vibrates, an adjusting component for adjusting the opening and closing of the movable opening 25 is arranged at the movable opening 25. Referring to fig. 6, the adjusting assembly includes an adjusting cylinder 61 installed on the side wall provided with the movable opening 25, the moving direction of the piston rod of the adjusting cylinder 61 is consistent with the height direction of the side wall, a connecting block 62 is welded and fixed on the piston rod of the adjusting cylinder 61, a blocking strip 63 matched with the size of the movable opening 25 is arranged on one side of the connecting block 62 close to the movable opening 25, a sliding groove 27 for the blocking strip 63 to slide up and down is arranged on the side wall above the movable opening 25, the vertical section of the sliding groove 27 is in a shape of "7", and the length of the sliding groove 27 is equal to the length of the blocking strip 63. The adjusting cylinder 61 drives the barrier strip 63 to slide along the length direction perpendicular to the sliding groove 27, so that the barrier strip 63 is matched with the movable opening 25 to block the movable opening 25, or the barrier strip 63 is far away from the movable opening 25, and the screening plate 3 can enter the next chamber through the movable opening 25 along the counterclockwise direction.

Wherein, in this embodiment, for the work efficiency that improves screening system, when clearing up screening board 3, can carry out the electrically conductive powder screening simultaneously in the screening room 21. In addition, in order to improve the intelligence of the screening system, the present embodiment further includes a controller for uniformly controlling the components, and the controller is electrically connected to the feeding cylinder 45, the pushing cylinder 52, the adjusting cylinder 61, the lifting cylinder 761, and the rotating motor 753 in the present embodiment.

The implementation principle of the embodiment is as follows: when the conductive powder screening device is used, the controller starts the feeding cylinder 45 at regular time to drive the baffle 43 to rotate, so that conductive powder to be screened in the feeding hopper 42 enters the screening chamber 21, and after feeding reaches a certain time, the controller starts the feeding cylinder 45 to close, so that the feeding operation of the conductive powder is completed; after the feeding of the conductive powder is finished, the controller controls the vibration structure 11 to drive the whole screening device to vibrate, and after the screening work is finished according to the preset screening time, the controller controls the feeding hole 212 to feed; after the blanking is finished, the controller controls the adjusting cylinder 61 to drive the blocking strip 63 to leave the movable opening 25, the controller starts the pushing cylinder 52 fixed on the outer side wall of the screening chamber 21 again to enable the pushing cylinder 52 to push the screening plate 3 from the screening chamber 21 to the blockage removing chamber 22, and when the screening plate 3 enters the blockage removing chamber 22, the controller starts the piston rod of the pushing cylinder 52 to contract and controls the adjusting cylinder 61 to drive the blocking strip 63 to close the movable opening 25; after the screening plates 3 enter the blockage removing chamber 22, the controller controls the blockage removing structure to remove blockage of each screening plate 3; after the blockage is cleared, the controller starts a pushing cylinder 52 fixed on the outer side wall of the blockage clearing chamber 22, so that the pushing cylinder 52 pushes the screening plate 3 into the first conveying chamber 23; after the sieving plate 3 enters the first conveying chamber 23, the controller controls a pushing cylinder 52 which is fixed on the outer side wall of the first conveying chamber 23, so that the pushing cylinder 52 pushes the sieving plate 3 into the second conveying chamber 24; after the screening plate 3 enters the second conveying chamber 24, after the screening plate 3 in the screening chamber 21 finishes screening work and is pushed into the blockage removing chamber 22 by the pushing cylinder 52 fixed on the outer side wall of the screening chamber 21, the controller can control the pushing cylinder 52 fixed on the outer side wall of the second conveying chamber 24, so that the pushing cylinder 52 pushes the screening plate 3 into the screening chamber 21, and continuous screening of the screening device is facilitated; because the screening system in this embodiment can realize that screening board 3 self-cleaning and automatic replenishment are favorable to improving the degree of automation of screening system to improve the work efficiency of screening system.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. An intelligent screening system comprises a base (1), a vibration structure (11) arranged in the base (1) and a screening device arranged above the base (1); the method is characterized in that: the screening device comprises a screening chamber (21), a blockage clearing chamber (22), a first conveying chamber (23) and a second conveying chamber (24) which are sequentially arranged on the base (1) along the clockwise direction or the anticlockwise direction, wherein the screening chamber (21), the blockage clearing chamber (22), the first conveying chamber (23) and the second conveying chamber (24) are distributed in a shape like a Chinese character 'tian'; a plurality of screening plates (3) with screening holes (31) are arranged in the screening chamber (21) along the height direction of the screening chamber (21), and a blockage removing structure for spraying air to remove blockage of the screening plates (3) is arranged in the blockage removing chamber (22); in addition, the connecting wall between each room corresponds a plurality of respectively screening board (3) are equipped with the confession screening board (3) are followed clockwise or anticlockwise and are slided into next indoor movable opening (25), just screening plant's the outside be equipped with be used for with screening board (3) are followed clockwise or anticlockwise and are pushed next indoor drive assembly.

2. The intelligent screening system of claim 1, wherein: the blockage removing structure comprises an air injection assembly, a lifting piece and a translation mechanism, wherein the lifting piece drives the air injection assembly to move up and down along the height direction of the blockage removing chamber (22), and the translation mechanism drives the air injection assembly to move left and right along the length direction or the width direction of the blockage removing chamber (22); the air injection assembly comprises a connecting rod (71) and a plurality of air injection heads (72) arranged on the connecting rod (71) along the length direction of the connecting rod (71).

3. The intelligent screening system of claim 2, wherein: the translation mechanism comprises a connecting plate (73) arranged at the top of the blockage removing chamber (22), a sliding block (74) connected with the connecting plate (73) in a sliding manner along the length direction or the width direction of the connecting plate (73), a transmission assembly connected with the sliding block (74), and a power assembly connected with the transmission assembly to drive the sliding block (74) and the connecting plate (73) to slide relatively; the bottom of the sliding block (74) is fixedly connected with one side, away from the air nozzle (72), of the connecting rod (71).

4. An intelligent screening system according to claim 3, wherein: the transmission assemblies comprise transmission racks (751) arranged on one sides of the sliding blocks (74) departing from the connecting rods (71) and transmission gears (752) meshed with the transmission racks (751), wherein the transmission assemblies are symmetrically provided with two groups, and the two groups of transmission assemblies are respectively arranged close to two ends of the connecting rods (71); the power assembly comprises a transmission shaft (756) arranged between two symmetrically arranged gears, a second flat gear (755) fixed on the outer peripheral side of the transmission shaft (756), a first flat gear (754) meshed with the second flat gear (755), and a rotating motor (753) used for driving the first flat gear (754) to rotate.

5. The intelligent screening system of claim 1, wherein: the cross section of the screening plate (3) is larger than that of a cavity in the screening chamber (21), wherein a bearing groove (26) used for bearing the screening plate (3) is formed in the inner side wall, opposite to the movable opening (25), of each chamber, and the upper surface and the lower surface of the screening plate (3) are respectively abutted to the upper inner wall and the lower inner wall of the bearing groove (26).

6. An intelligent screening system according to claim 5, wherein: the drive assembly comprises a push cylinder (52) which is fixed on the outer side wall of each chamber to push the screening plate (3) to move to the next chamber along the clockwise direction or the anticlockwise direction, a piston rod of the push cylinder (52) is connected with a push bar (53), and the length of the push bar (53) is equal to the length or the width of the screening plate (3).

7. The intelligent screening system of claim 1, wherein: the department of activity mouth (25) is equipped with the regulation the adjusting part that activity mouth (25) opened and shut, adjusting part include with blend stop (63) of activity mouth (25) looks adaptation and drive blend stop (63) along the direction of height that connects the wall of each room reciprocates adjusting cylinder (61).

8. The intelligent screening system of claim 1, wherein: the top of screening room (21) is equipped with feeding structure (4), feeding structure (4) are including locating the support frame at screening room (21) top, locate support frame and bottom are equipped with feeder hopper (42) of discharge gate, locate the discharge gate of feeder hopper (42) is in order to be used for control the control assembly of feeder hopper (42) ejection of compact.

9. The intelligent screening system of claim 8, wherein: the control assembly comprises a feeding cylinder (45) hinged to one side of the feeding hopper (42), a baffle plate (43) positioned at a discharge port of the feeding hopper (42), and connecting arms (44) arranged at two end parts of the baffle plate (43); one end of the connecting arm (44) is fixedly connected with the baffle (43), and the other end of the connecting arm extends to the feed hopper (42) in the direction away from the screening chamber (21) and is hinged to the side wall of the feed hopper (42); in addition, a piston rod of the feeding cylinder (45) is hinged with one side of the baffle plate (43).