CN205288938U - Vibrating screen - Google Patents

Abstract

The utility model discloses a vibrating screen, including sieve case, supporting arrangement and vibration excitation device, the sieve case and bag are drawn together the hopper and are installed a plurality of screen clothes in the hopper, and the hopper sets up a plurality of feed bins corresponding to each rank ejection of compact position, supporting arrangement includes supporting bracket and vibrating spring, and supporting bracket is formed by stand and crossbeam welding, and the stand bed plate is fixed in fixed baseplate, makes the hopper support on supporting bracket through vibrating spring between stand top sealing plate and the hopper feeding funnel bearing, vibration excitation device includes and arranges side by side in two horizontal vibrating motor of hopper bottom through motor base plate, wherein the motor shaft homogeneous phase of two motors syntropy of inclination have to(for) the sifter of sieve case. The utility model discloses vibrating screen wholeness ability has been improved effectively for the product is more practical.

Description

A kind of vibratory sieve

Technical field

The utility model relates to material screening device, relates in particular to a kind of novel vibratory sieve.

Background technology

Vibratory sieve is a kind of common material screening device, its typical structure as shown in Figure 1, screen box (Case) IBe arranged on supporting arrangement (Supporting) II upper, the motor of exciting device (Vibrating) III is through V beltDrive exciting device main shaft gyration, on exciting device under the centrifugal intertia force effect of uneven weight, screen boxObtaining oscillation trajectory is that round vibration carrys out material screening. In this vibratory sieve, motor is for band transmission, because of with in transmissionThe heart is apart from uncertain and pine when tight while causing driving-belt, and vibration frequency is stable not, affects thus technological effect; BandTransmission needs the relevant parts of reasonable Arrangement, easily causes that structure is compact not, the problem such as larger takes up room. ThisOutward, the motor of common vibratory sieve is controlled the ON/OFF of power supply, security simply by single-pole single-throw(SPST plug-in stripCan be not ideal enough. Because these defects are necessary vibratory sieve to be optimized design.

Utility model content

The defect existing for prior art, the object of the utility model embodiment is to provide a kind of novel shakingMoving sieve, to improve stability of vibration, structural compactness or the job security of vibratory sieve.

For solving above technical problem, the utility model embodiment provides a kind of vibratory sieve, comprises screen box, supportingDevice and exciting device; Screen box comprises hopper and be installed on the some screen clothes in hopper, and hopper is corresponding to each rankDischarging position arranges some discharging bins; Supporting arrangement comprises supporting bracket and vibrating spring, and supporting bracket is by columnForm with beam welding, upright post base plate is fixed on fixed pedestal, column top sealing plate and hopper elevating hopper supporting baseBetween by vibrating spring, hopper is supported on supporting bracket; Exciting device comprises by motor seat board alsoArrange and be placed in two horizontal vibrating motors of feed hopper bottom, wherein the motor shaft of two motors is all with respect to screen boxCompass screen surface has inclination angle in the same way.

Compared with prior art, the driving vibration source of the utility model vibratory sieve is two horizontal vibrating motors, and ginseng is shakenIn sieve nest, material to be sieved presents straight-line oscillation and carrys out screening materials carrying: exciting force is equivalent to along the wide uniform load of whole sieve,Installation accuracy more easily ensures, its error is less on the impact of screen box each point amplitude, increased steady in the work of seat formula sieveQualitative, be convenient to thus control; Because exciting device is arranged on screen box, needn't adopt the I-shaped of structure heavinessCrossbeam, the height of whole screen box is less, and center of gravity reduces, and quality alleviates, and the processing and manufacturing of eccentric block is also more convenient;In addition, also the convenient motor of arranging transmission, is conducive to simplified structure, optimizing product layout. Especially, two are crouchedFormula vibrating motor all adopts breaker and A.C. contactor to control the ON/OFF of motor power, and security performance moreHeight, is conducive to the generation of minimizing accident.

Brief description of the drawings

Fig. 1 is the schematic diagram of existing vibratory sieve;

Fig. 2 is the schematic diagram of the utility model vibratory sieve;

Fig. 3 is the A-A view of Fig. 2;

Fig. 4 is that the B of Fig. 2 is to view;

Fig. 5 is the supporting arrangement schematic diagram of the utility model vibratory sieve;

Fig. 6 is the screen box hopper schematic diagram of the utility model vibratory sieve;

Fig. 7 is the right view of Fig. 6;

Fig. 8 is the top view of Fig. 6;

Fig. 9 is the schematic diagram of hopper side plate in Fig. 6;

Figure 10 is the screen box screen cloth schematic diagram of the utility model vibratory sieve;

Figure 11 is the C-C view of Figure 10;

Figure 12 is D part enlarged drawing in Figure 11;

Figure 13 is the motor scheme of installation of the utility model vibratory sieve;

Figure 14 is the motor electric hookup of the utility model vibratory sieve.

Detailed description of the invention

In order to understand better know-why and the course of work of the utility model embodiment, below in conjunction with accompanying drawing andSpecific embodiment comes further the utility model to be described in detail.

The utility model vibratory sieve adopts two horizontal vibrating motors to drive screen box to carry out screening materials carrying do straight-line oscillation,These two motors can adopt breaker and A.C. contactor to control the ON/OFF of motor power, below in conjunction withAccompanying drawing is specifically described.

Be pointed out that, the utility model is only explained the relevant improvement part in vibratory sieve, other non-changingEnter part (as the concrete structure of horizontal vibrating motor and operation principle) and can adopt the known usual skill of the artArt means, do not launch explanation at this.

Referring to Fig. 2-Fig. 4, the structure of the utility model vibratory sieve is shown simultaneously. This vibratory sieve comprises screen box, props upBearing apparatus and exciting device, screen box is arranged on supporting arrangement, exciting device arrange two horizontal vibrating motors (withLower abbreviation motor) drive screen box to do straight-line oscillation, these two motors all configure breaker and A.C. contactor comesThe ON/OFF of controlling motor power, below illustrates.

As shown in Fig. 2-Fig. 4, screen box comprises hopper 1 and is installed on the some screen clothes in hopper 1, and hopper 1 is rightShould some discharging bins be also set in different stage discharging position. The present embodiment specifically comprises upper screen cloth 11a and lower sieveNet 11b, both structures are basic identical, and it is only that its mesh size size is different, wherein in order to scalpingUpper screen cloth 11a aperture larger, less in order to the lower screen cloth 11b aperture of dusting cover. Correspondingly, the present embodimentHopper both sides arrange scalping material discharging bin 1.10, dusting cover material discharging bin 1.12, this scalping material discharging bin1.10, the feed hopper bottom in the middle of dusting cover material discharging bin 1.12 arranges qualified material discharging bin 1.11, is convenient to like thisBy appropriate level mass transport to corresponding outside material collecting device (scheming not shown).

Supporting arrangement comprises supporting bracket and vibrating spring 4: supporting bracket is welded by column 6 and crossbeam 10,Upright post base plate 7 is fixed on fixed pedestal (as ground), column top sealing plate 5 and hopper 1 elevating hopper supporting base 3Between vibrating spring 4 is set, hopper 1 is supported on supporting bracket.

Exciting device comprises by motor seat board 9 and being arranged side by side in two horizontal vibrating motors 8 of hopper 1 bottom,They have four sector eccentric blocks and make exciting piece, and wherein two eccentric blocks are installed respectively at the two ends of motor shaft, adjustJoint can regulate the angle of two eccentric blocks of same axle head with the angle of two eccentric blocks of axle head, thereby from zero to maximumRegulate the exciting force of vibrating motor.

The motor shaft of two motors 8 all has an inclination angle with respect to the compass screen surface of screen box. When two vibrating motors 8 do sameWhen step, reverse rotation, the exciting force that the eccentric block on motor produces is mutual in the direction that is parallel to electrical axisOffset, be stacked as one with joint efforts perpendicular to the direction of motor shaft, therefore the movement locus of screen box is a straight line. Like this,At exciting force and material, under the force action of gravity, material tossed great-jump-forward on compass screen surface shakes to previous crops straight lineMoving, thereby reach, material screen and the object of classification.

Below further the utility model vibratory sieve supporting arrangement, screen box hopper and screen cloth, motor are installed and electricityThe problems such as gas wiring further illustrate.

Participate in Fig. 5, simultaneously in conjunction with Fig. 2-Fig. 4, the supporting arrangement structure of the utility model vibratory sieve is shown. ?Bearing apparatus comprises column 6 and the crossbeam 10 of assembly welding supporting bracket, and upright post base plate 7 is installed in fixed pedestal, verticalOn between hopper supporting base 3 with reinforcement 2 on capital shrouding 5 and hopper 1, spring locating dowel 5.1 is set respectivelyAnd 3.1 position vibrating spring 4, so just can make hopper 1 be supported on reliably supporting bracketColumn 6 on.

Referring to Fig. 6-Fig. 9, simultaneously in conjunction with Fig. 2-Fig. 4, the screen box hopper construction of the utility model vibratory sieve is shown.Hopper 1 comprises that two hopper side plate 1.3, two hopper side plates 1.3 all have hopper side plate rectangle part 1.3a and hopperSide plate gable 1.3b. Two hopper side plate rectangle part 1.3a, two hopper end plates 1.2 and a materialThe bottom sheet 1.17 hopper principal space of encircling a city, screen cloth 11a and lower screen cloth 11b are firmly installed on hopper main body skyIn. The first angle cleat 1.4 and the second angle cleat 1.8 assembly weldings for two hopper side plate gable 1.3bBecome motor mounting part, wherein mounting position of motor arranges and strengthens steel plate 1.5, on this reinforcement steel plate 1.5, two grooves is setSteel 1.6 forms bolt and crosses groove, to be fixedly connected with motor seat board 9.

In the present embodiment, a hopper side plate 1.3 of hopper main body arranges thick discharging support 1.14 and fixes scalpingMaterial discharging bin 1.10, another hopper side plate 1.3 of hopper main body arranges thin discharging support 1.13 and fixes carefullySieve material discharging bin 1.12,1.17 of the base plates of hopper main body arrange qualified material discharging bin 1.11, wherein qualifiedMaterial discharging bin 1.11 is located in scalping material discharging bin 1.10 and determines between dusting cover material discharging bin 1.12. ThisAfter sample rational deployment, be convenient to appropriate level mass transport to corresponding outside material collecting device.

As shown in Fig. 6-Fig. 9, on two hopper end plate 1.2 upper limb assembly welding end plate angle steel 1.1, two hopper side plates 1.3Edge assembly welding side plate angle steel 1.9, hopper end plate 1.2 is installed angle steel 1.16 with hopper side plate 1.3 joint portion assembly welding screen clothes,On two hopper side plates 1.3, rectangle part 1.3a arranges some hopper gussets 1.7 and reinforces hopper main body, makes materialBucket 1 is more firm, solid.

Referring to Figure 10-Figure 12, simultaneously in conjunction with Fig. 2-Fig. 4, the screen box screen cloth knot of the utility model vibratory sieve is shownStructure. In the screen cloth 11 of screen box, the horizontal rectangular tube 11.2 in outside becomes screen cloth with longitudinal rectangular tube 11.3 assembly weldings in outsideFramework, on the horizontal rectangular tube 11.2 in outside alternatively on the horizontal steel plate 11.1 of assembly welding, the longitudinal rectangular tube 11.3 in outsideThe longitudinal steel plate 11.4 of assembly welding strengthens the intensity of screen frame alternatively; In screen frame, assembly welding is by inner transverse squareShape pipe 11.6 and the inner screen cloth support that longitudinally rectangular tube 11.7 forms, paved screen cloth dictyosome also on screen cloth supportFixing. Preferably, the screen cloth that steel wire spacer screen 11.8 and stainless steel veil 11.9 combine that paves on screen cloth supportDictyosome, has long-lived feature. Concrete fixed structure is that screen cloth dictyosome is with pressing screen cloth steel bar 1.10 to compressIn the screen frame forming in the longitudinal rectangular tube 11.3 of the horizontal rectangular tube 11.2 in outside and outside, use afterwards bolt11.11, the threaded components such as nut 11.12, packing ring 11.13 is fastening carries out fasteningly, and this mesh structure fixes,Durable in use.

Referring to Figure 13, simultaneously in conjunction with Fig. 2-Fig. 4, the electric motor mounting structure of the utility model vibratory sieve is shown. MaterialTwo hopper side plate gable 1.3b the first angle cleat 1.4 and the second angle cleats 1.8 of 1 bottom struggle againstAssembly welding becomes motor mounting part, and on this motor mounting part, mounting position of motor assembly welding is strengthened steel plate 1.5, this reinforcement steel plateTwo channel-section steels 1.6 are set on 1.5 and cross groove and be fixedly connected with motor seat board 9 to form bolt, this motor seat board 9 withThe motor interface portion 8.1 of motor 8 docks, and wherein the motor shaft of two motors 8 is parallel and all with respect to screen boxCompass screen surface has an inclination angle. So arrange after two horizontal vibrating motors 8, join material to be sieved in the sieve nest that shakes and present directlyLine vibrates screening materials carrying.

Referring to 14, the motor electric hookup of the utility model vibratory sieve is shown. In the present embodiment, motor is threePhase motor, it has the sub-U1 of three-phase terminal, V1, W1, and motor electrical wiring object is ON/OFF motorPower supply. The concrete mode of connection is: in major loop, be connected to going out of power supply unit (as power distribution cabinet, scheming not shown)Three phase mains input line L1, L2, the L3 of line terminals connect through major loop circuit breaker Q F1, A.C. contactor KMTo motor lines U1, V1, the W1 of three phase electric machine; In control loop, the input of control loop circuit breaker Q F2Meet three phase mains input line L2, L3, an output termination A.C. contactor KM of control loop circuit breaker Q F2Terminals of coil, another output of control loop circuit breaker Q F2 is through inching button SB (1-3)Connect another terminals of A.C. contactor KM coil. Press inching button SB, A.C. contactor KM lineEnclose to obtain electric adhesive, the three-phase main contacts closure of A.C. contactor KM, motor obtains electric operation, driven equipment work.The time of pinning inching button SB is motor crawl duration of runs. Unclamp inching button SB, A.C. contactorKM coil blackout discharges, and the three-phase main contacts of A.C. contactor KM disconnects, and motor dead electricity shuts down, and dragsMoving equipment stops. So after wiring, can by breaker and A.C. contactor control the connection of motor power/Turn-off, be conducive to make vibratory sieve security performance higher, be conducive to minimizing accident.

Although the utility model with preferred embodiment openly as above, it is not new for limiting this practicalityType, any those skilled in the art, not departing from spirit and scope of the present utility model, can doGo out possible variation and amendment, therefore protection domain of the present utility model should be with the utility model rightRequire the scope defining to be as the criterion.

Claims (2)

1. a vibratory sieve, is characterized in that, comprises screen box, supporting arrangement and exciting device; Screen box comprises materialStruggle against and be installed on the some screen clothes in hopper, hopper arranges some discharging bins corresponding to each rank discharging position; ?Bearing apparatus comprises supporting bracket and vibrating spring, and supporting bracket is formed by column and beam welding, upright post base plateBe fixed on fixed pedestal, between column top sealing plate and hopper elevating hopper supporting base, make hopper by vibrating springBe supported on supporting bracket; Exciting device comprises that two of being arranged side by side in feed hopper bottom by motor seat board are horizontalVibrating motor, wherein the motor shaft of two motors all has inclination angle in the same way with respect to the compass screen surface of screen box.

2. vibratory sieve as claimed in claim 1, is characterized in that, horizontal vibrating motor have four fan-shaped partiallyHeart piece is made exciting piece, and wherein two eccentric blocks are installed respectively at the two ends of motor shaft.