A kind of screening type flour mill with exhausting impurity functionTechnical field
It the utility model is related to screening type flour mill, and in particular to a kind of screening type flour mill with exhausting impurity function.
Background technology
In aluminum electrolysis industry, the state-of-the-art technology that electrolyte crust block crushes is to be broken using screening type flour mill as terminalBroken equipment, it is clear from electrolytic cell and anode scrap such as a kind of chain drive screening type flour mill that application number 201420840504.X is recordedContaining aluminium slag, aluminium block in the electrolyte crust block managed out, in by crushing and clearing, thick broken, course of conveying, some iron can be mixed intoThe impurity such as block, wood, rubber.This kind of impurity can not be broken in screening type flour mill and gradually be accumulated in grinding machine, miscellaneousThe production capacity of screening type flour mill and sieve plate service life are adversely affected for the accumulation of matter, it is necessary to which periodic cleaning goes out screening type grindingMachine.Current method is that operative employee opens non-feed end after shutting down, and carries out manually picking up cleaning into screening type flour mill.It is such aMethod for cleaning efficiency is low, and there are some potential safety problems.Moreover, screening type flour mill is in use due to bulk materials and impurityImpact of the middle iron block to sieve plate, causes the abrasion of sieve plate and because sieve plate is plastically deformed the problem of sieve aperture produced reduces, it is also desirable toCorresponding solution.
Utility model content
The utility model is in order to overcome problems of the prior art, there is provided one kind can be in grinding process without peopleA kind of screening type flour mill with exhausting impurity function of work intervention.
The utility model is that technical solution is used by solving the above problems：A kind of screening type powder with exhausting impurity functionGrinding machine, includes the electric control gear of cylinder, control cylinder rotating and speed governing, and the barrel of cylinder is connected and composed by multiple sieve plates, sievesPlate is equipped with sieve aperture, the inner wall of cylinder is equipped with some broken lifting plates and some impurity delivery boards, and the two of cylinder is oppositely arrangedIt is respectively equipped with end cap and feeds hollow shaft and impurities removal hollow shaft, the end cap of cylinder and the hollow axis connection of impurities removal is equipped with some spiralThe inner wall of shape impurities removal groove, impurities removal hollow shaft and charging hollow shaft is equipped with oppositely oriented helical blade.
Wherein, it is in multiple rows of setting to crush lifting plate and impurity delivery board.
Preferably, the broken lifting plate of same row sets for multiple uniform intervals or is crushed in integrative-structure, adjacent rowLifting plate is staggered or is correspondingly arranged.
Preferably, the impurity delivery board of same row sets for multiple uniform intervals or in integrative-structure.
Further, impurity delivery board is corresponding with broken lifting plate arranged in a crossed manner.
Preferably, it be in even rows to crush lifting plate, and it is 30 ~ 350mm to crush lifting plate apart from the height of cylinder inboard wall, impurityDelivery board is 30 ~ 150mm apart from the height of cylinder inboard wall.
Wherein, lifting plate is crushed perpendicular to cylinder inboard wall, the lifting face of broken lifting plate and the axis parallel of cylinder；It is miscellaneousMatter delivery board is perpendicular to cylinder inboard wall, and the angle between the conveyor surface of impurity delivery board and the central axes of cylinder is 3 ~ 70 °.
In the utility model, the spiral shape impurities removal slot number amount set on the end cap of impurities removal hollow shaft is 2 ~ 12, each spiralShape impurities removal groove is set in uniform intervals, and the groove width of spiral shape impurities removal groove is 50 ~ 300mm, and the rotation direction of spiral shape impurities removal groove is arranged toImpurity is sent to impurities removal hollow shaft when cylinder inverts.
In the utility model, the inner wall of sieve plate is provided with latticed floor.
Further, the height of floor protrusion sieve plate inner wall is 10 ~ 80mm, forms the single side of the fenestral fabric of floorThe length of side of lattice is 50 ~ 250mm.
Broken lifting plate and impurity delivery board are set in the cylinder of the utility model, rotated in cylinder to breaking patterns directionWhen, broken lifting plate can carry out the material in cylinder to lift-leave action, and then broken material；In cylinder to phase reversalTo during rotation, the impurity for needing to remove in cylinder can be delivered to impurities removal end by impurity delivery board, and impurity passes through spiral shape impurities removalHelical blade discharge grinding machine in groove and impurities removal hollow shaft.
Beneficial effect：The utility model was worked in flour mill after a period of time, a certain number of impurity of accumulation in grinding machine, millMachine is slowly run with the direction opposite with normal breaking patterns, and as grinding machine rotates, impurity is sent to spiral shape by impurity delivery boardImpurity is sent to impurities removal hollow shaft by impurities removal groove, spiral shape impurities removal groove, and impurity is discharged screening type flour mill by impurities removal hollow shaft.So as toRealize that grinding is automatically drained out grinding the function of interior impurity, improve the work efficiency of grinding machine.
Meanwhile the inner wall for feeding hollow shaft and impurities removal hollow shaft is equipped with oppositely oriented helical blade, feeds hollow shaftHelical blade material is sent into grinding machine in comminution operating mode, the helical blade of impurities removal hollow shaft arranges impurity in impurities removal operating modeGo out grinding machine.
Meanwhile the inner wall of sieve plate is equipped with floor, in shattering process, on the one hand, the floor for protruding from sieve plate strengthens millThe breaking capacity of machine, on the other hand, avoids impact closing in problem of the bulk materials to sieve aperture, improves the service life of sieve plate.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is the schematic diagram of spiral shape impurities removal groove in Fig. 1；
Impurity movement schematic diagram when Fig. 3 is impurities removal operating mode；
Fig. 4 is the schematic diagram of one piece of sieve plate in cylinder；
Fig. 5 is the enlarged diagram that A is indicated in Fig. 4.
Reference numeral：1st, cylinder, 2, charging hollow shaft, 3, impurities removal hollow shaft, 4, sieve plate, 40, sieve aperture, 41, floor, 5, brokenBroken lifting plate, 6, impurity delivery board, 7, spiral shape impurities removal groove, 8, helical blade, 9, reinforcing rib, 10, impurity.
Embodiment
Technological means, creation characteristic and the purpose reached to realize the utility model readily appreciate, with reference toSpecific schematic diagram, is expanded on further the utility model, but the utility model scope claimed is not limited to specific realityApply the scope described in mode.
A kind of screening type flour mill with exhausting impurity function, as shown in Figure 1, including cylinder 1, control 1 rotating of cylinder andThe electric control gear of speed governing, charging hollow shaft 2 and impurities removal hollow shaft 3, impurities removal are respectively equipped with the two of cylinder 1 end cap being oppositely arrangedThe inner wall of hollow shaft 3 and charging hollow shaft 2 is equipped with oppositely oriented helical blade.The barrel of cylinder 1 is by multiple as shown in Figure 4Sieve plate 4 connect and compose, sieve plate 4 is equipped with sieve aperture 40, and the inner wall of sieve plate 4 is provided with convex in latticed floor 41, floor 41The height h for going out 4 inner wall of sieve plate is 10 ~ 80mm, and the length of side g for forming the single grid of the fenestral fabric of floor 4 is 50 ~ 250mm.
As shown in figures 1 and 3, the inner wall of cylinder 1 is equipped with some broken lifting plates 5 and some impurity delivery boards 6, cylinder 1The upper end cap being connected with impurities removal hollow shaft 3 is equipped with some spiral shape impurities removal grooves 7, and 7 rotation direction of spiral shape impurities removal groove is arranged to：Work as cylinderWhen body 1 inverts, impurity is sent to impurities removal hollow shaft 3.Wherein, it is in multiple rows of setting to crush lifting plate 5 and impurity delivery board 6.
In the utility model, the broken lifting plate 5 of same row is set for multiple uniform intervals or in integrative-structure, adjacent rowBroken lifting plate 5 be staggered or be correspondingly arranged.More than 5 a uniform intervals of broken lifting plate that Fig. 3 lists same row are set,The broken lifting plate 5 of adjacent row is staggered.Similarly, the impurity delivery board 6 of same row can be that multiple uniform intervals set or are inIntegrative-structure.
Preferably, impurity delivery board 5 and broken lifting plate 6 are corresponding arranged in a crossed manner, i.e. impurity delivery board 5 and broken lifting plate6 can be organized in pairs, and can not also be organized in pairs.
As shown in figures 1 and 3, lifting plate 5 is crushed perpendicular to 1 inner wall of cylinder, the lifting face of broken lifting plate 5 and cylinder 1Axis parallel.Broken lifting plate 5 be in even rows, it is preferred that be 2 ~ 12 even rows, the lifting identity distance of broken lifting plate 5 fromThe height of 1 inner wall of cylinder is 30 ~ 350mm.
As shown in figure 3, impurity delivery board 6 is perpendicular to 1 inner wall of cylinder, as shown in Figure 1, and impurity delivery board 6 conveyor surfaceAngle α between the central axes of cylinder 1 is 3 ~ 70 °, i.e. the inclination angle of impurity conveyor surface and 1 central axes of cylinder is 3 ~ 70 °.Impurity6 structure triangular in shape of delivery board, the height of 1 inner wall of apogee distance cylinder on 6 conveyor surface of impurity delivery board is 30 ~ 150mm.As shown in figure 3, each some reinforcing ribs 9 are equipped with close to the side of impurity delivery board 6, under reinforcing rib 9 on broken lifting plate 5End is fixed on the inner wall of cylinder 1.
7 quantity of spiral shape impurities removal groove set on the end cap of impurities removal hollow shaft 3 is 2 ~ 12, and each spiral shape impurities removal groove 7 is inUniform intervals are set, and impurity is sent to impurities removal hollow shaft 3, spiral shape row by spiral shape impurities removal groove 7 in the steering R of 1 impurities removal of cylinderThe groove width of miscellaneous groove 7 is 50 ~ 300mm.
There is the electric control gear of rotating and speed regulation capacity, speed adjustable range is specified in screening type flour mill in the utility modelThe 10 ~ 120% of rotating speed.
In broken operating mode, material enters through charging hollow shaft 2 to be rotated clockwise the flour mill of the utility model（Such asL shown in Fig. 2 to）Grinding machine（In terms of feed inlet）, broken lifting plate 5 in cylinder 1 under being thrown after material lifting certain altitude,Material is crushed by collision of the material with cylinder 1 and the collision of material and material.After a period of time, accumulation one in grinding machineDuring the impurity 10 of fixed number amount, grinding machine stops feed, can stop through operating emptying after a while after broken material.
Screening type flour mill is transferred to impurity removal operating mode, and grinding machine is slowly run with the direction opposite with normal breaking patterns（R as shown in Figure 2 to）, impurity delivery board 6 is transported to impurity the impurities removal end of grinding machine on cylinder 1, spiral shape impurities removal groove 7 withImpurity is transported to impurities removal hollow shaft 3 by the rotation of cylinder 1, then discharges grinding machine from impurities removal hollow shaft 3.After impurity excludes, parking,Terminate impurity removal operating mode.The utility model realizes simple in structure, reliable, easy-operating automatic impurity, especially suitableImprovement for screening type flour mill in the electrolyte crust block crushing and grinding technique that is cleaned out by anode scrap.