CN2451234Y - Batch reciprocating mechanical moving screen jigger - Google Patents

Abstract

The utility model relates to a dwelling reciprocating mechanical moving screen jigger which has a dwelling character and adapts to the requirement of the selecting different materials in the coal industry. The utility model comprises a water tank, a driving device, a movable plate, a screen body, a buffer device, a guide wheel, a motor, etc., wherein the driving device realizes reciprocating movement by using a cycloid pin gear speed reducing motor which is connected with a crank to drive a connecting rod with a slide block. A buffer cushion block and a detachable cushion block are arranged at the position of the slide block; a damping spring is arranged between the water tank and the movable plate; a spacing device is arranged on the water tank; a reject extractor adopts a displacement sensor of a Hall element to control discharging. The utility model has the advantages of compact integral structure, light weight and good selecting effect, and is suitable for the places of selecting the material according to gravity in the mines of the metallurgy, etc.

Description

Can rest the reciprocating machine movable-sieve jig

The utility model relates to the mining machinery technical field, and exactly it is a kind of reciprocating machine movable-sieve jig that rests.

At present, with regard to coal industry, coal jigging is still the main method for separating of upgrading.And under world today's property lack of water situation, how to simplify production technology, using water wisely (comprise and save medium and reduce environmental pollution), and can obtain comparatively desirable separating effect again, improve constantly the quality of marketable coal, be objective first demand; Secondly, then be how the colliery to be dumped that available coal sorts out in the inferior assorted coal that the quantity that separates with opencut in a large amount of spoils can show, make it to become useful resources, this is objective second requirement.And existing various jigging machine, all can not satisfy above-mentioned desirability fully aspect performance and the adaptation.The washing appliance that is using at present mainly contains following several:

1, blowing-type Baum jig, water consumption big (wash 1 ton and go into to wash about 2～3 cubic metres of feed coal water consumption) goes into to wash particle size range narrow (on be limited to 100 millimeter);

2, dense medium separation, except that water consumption greatly, still needing consumes a large amount of media (magnetite powder), it is gone into to wash particle size range and is better than Baum jig, separating effect is also more satisfactory, but the cost height.And these two kinds of wash coaling equipments all only are suitable for regular production line in the factory.

3, existing mechanically driver type movable-sieve jig is to utilize gauge water (replenishing clear water in right amount) to carry out sorting, so obtained effect aspect water saving.But because the crank connecting link of main drive is to pass through the V-belt transmission by common electric machine and reductor, has only continuous reciprocating motion, lack the phase of expansion that is suitable for different material that the coal preparation technique aspect requires (being that sieve nest pumps idle hours in the cycle), influence separating effect easily, simultaneously, the structure more complicated of this transmission device, heaviness (about more than 3 tons);

4, hydraulic pressure movable-sieve jig on principle of dynamics and theoretical performance, is the washing appliance of the above-mentioned various requirement overall merit of tool, and be product prior to the mechanically driver type movable-sieve jig, only, especially in a single day meet the parts leakage of oil, make us disease head especially because of Hydraulic Station complexity, cost height; Replace so the appearance of mechanically driver type movable-sieve jig is just arranged and be intended to;

5, in the face of lack of water and improvement pollution two hang-ups, it is the know-why that power carries out sorting with wind that people have picked up the thirties again, again released pneumatic separator,, appeared the impetus that it reactivates and promotes with its water and save the advantages such as many troubles that black water is handled not.But the material size scope of selection by winnowing is more restricted, is generally 13～70 millimeters, and most of dust pelletizing system poor effect, and floor space is also bigger.

The purpose of this utility model provides a kind of reciprocating machine movable-sieve jig that rests, it can realize that the double vibrations that (nothing) rests makes sieve nest can adapt to different material needs in carrying out assorting room, effect is more satisfactory, and the configuration of complete machine transmission system rationally, and compact conformation is in light weight, separating effect and water-saving result are better, operation and maintenance is all more convenient, except that reclaiming coal, also can be applicable to mine such as metallurgy and uses by the gravity separation material.

The purpose of this utility model is achieved by the following scheme, it comprises water tank, transmission device, moving plate, sieve nest, the discharge refuse wheel, regulating weir, waste rock discharge device, the discharging funnel, water inlet, gap, stopping means, buffer unit, directive wheel and motor, it is characterized in that: transmission device adopts cycloidal-pin wheel reducing motor (1) connecting crank (2) drive to realize reciprocating with the connecting rod (3) of slide block (4), in slide block (4) upper end adjustable backing plate (23) is housed and realizes adjusting speed ratio, slide block (4) is located also to be equipped with removable cushion block (22) and is formed with intermittence and does not have intermittently motion, between water tank (6) and moving plate (7), be provided with shock-absorbing spring (8), stopping means (9) is housed on water tank (6), and waste rock discharge device (10) adopts Hall element displacement transducer control discharge.Anti-deflector sheave (12) is equipped with near motor (1) position in sieve nest (11) both sides.Transmission adopted round-link chain (14) transmission of discharge refuse wheel (13) has also increased tensioning apparatus.Adjustable packing seal has been adopted in wheel (15) and water tank (16) junction.Filled the lightweight occupy-place material that do not absorb water in the keg float in the buoy (16).Moving plate (7) is provided with staircase (17) and the lifting beam (18) that leads to compass screen surface.Sieve nest (11) and moving plate (7) slip interlock.Gap (19) locates to be equipped with board-like overflow mediation valve.On the moving plate (7) of both sides, have spilled water hole (20).

The utility model has the advantages that: the utlity model has the characteristics of can resting, can adapt to sorting different material needs, the configuration of complete machine transmission system rationally, compact conformation, flexible operation, in light weight, separation performance is good, and technological parameter is easy to adjust, operates fairly simple, easy to maintenance, long service life not only can be used as coal washer, but also be applicable to that mines such as metallurgy use by the gravity separation material, water-saving result is relatively good, has saved resource, has reduced pollution.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the right view of Fig. 1.

Fig. 4 is a transmission device partial structure enlarged diagram in the utility model.

Fig. 5 is the left view of Fig. 4.

Fig. 6 is a course of work schematic diagram of the present utility model.

Among the figure 1 be the cycloidal-pin wheel reducing motor, 2 for crank, 3 for connecting rod, 4 for slide block, 5 for buffer stopper, 6 for water tank, 7 for moving plate, 8 for shock-absorbing spring, 9 for stopping means, 10 for waste rock discharge device, 11 for sieve nest, 12 for anti-deflector sheave, 13 for the discharge refuse wheel, 14 for round-link chain, 15 for to wheel, 16 for buoy, 17 for staircase, 18 for hanging beam, 19 for gap, 20 for spilled water hole, 21 for the discharge motor, 22 for removable cushion block, 23 backing plates, 24 be regulating weir.

Embodiment:

The utility model and existing coal washer structure compared are also uncomplicated, and existing coal washery or coal mine machinery factory utilize existing equipment all can produce the utility model.Because the utility model has adopted the direct transmission of cycloidal-pin wheel reducing motor, compact conformation, the reciprocating motion that (nothing) can rest of having of this machine is to be driven with the linkage of slide block by crank to realize, when the slide block place inserts removable cushion block, for nothing is rested state (see in the accompanying drawing 4 shown in the B), when transfering to removable cushion block, be the state of resting (see in the accompanying drawing 4 shown in the A), the greater impact power that produces in the reciprocating motion of resting is arranged for elimination, prevent to damage parts, at the connecting rod slider place, be provided with the rubber buffer piece; Moving plate is the support member that connects transmission mechanism and sieve nest, and impact shock power is bigger when operating at full capacity, and for eliminating complete machine, especially to the influence of transmission mechanism and environment, the spy is provided with 4 shock-absorbing springs between water tank and moving plate; For preventing the toggle accidental damage, sieve nest impacts the offside parts that bring disaster to downwards, has set up accident stopping means (being furnished with rubber spring) in addition; Deflect and vibration own for the moving sieve nest of anti-stop strip carries out producing in the washing process, and, near main motor place water tank, be provided with anti-deflector sheave the harm that transmission device may cause; And outside moving plate, add weldering L50 * 6 angle steel to increase rigidity; The round-link chain transmission system of discharge refuse wheel has increased tensioning apparatus, can regulate tensile force at any time, helps operation and dismounting; For ease of the operation of complete machine, safeguard and maintenance, be provided with and walk on stage and necessary installation manhole; For ease of changing sieve nest, moving plate is provided with and leads to compass screen surface staircase and lifting beam.Sieve nest and moving plate adopt the slip interlock, as long as promptly dismantled and assembled along the front and back changing of the relative positions of coal stream direction of advance; For preventing corrosion, the keg float in the buoy, guide rod, guide wheel fixed head and sensor are stainless steel; Filled the lightweight occupy-place material that do not absorb water in the keg float, both guaranteed necessary buoyancy, removed again that worrying leaks influences the trouble and worry of sorting work from; Gap is always just calibrated high overflow, does not have the effect of the height of water level of adjusting.This machine has been set up board-like overflow control valve at the gap place, can regulate water level elevation in the 300mm scope as required; For the corrosion that prevents cleaned coal and spoil layering place downflow weir be convenient to regulate, portable plate and connector all adopt stainless steel; The transmission device of discharge refuse wheel has adopted adjustable packing seal to wheel and water tank joint, has good waterproof effect; For preventing the sieve nest work water squeezing ejection water tank that the time makes progress, moving plate suitably highly respectively has row's 200 * 20mm spilled water hole (totally 8) in both sides; Still oriented water tank water spray phenomenon can suitably increase spilled water hole in addition during as on-the-spot heavy load test run, or local-covered at the casing top (soft, firmly all can).During use, in water tank, inject quantitative clear water, going into the washing material falls within on-10 ° the sieve nest of leaning forward successively through feed chute, starter motor, drive transmission device (driving moving plate pumps) and discharge refuse wheel, the moving sieve nest of moving strip is done reciprocating motion fast down slowly or that have (nothing) to rest, make material carry out layering by the proportion difference; buoy is monitored spoil layer situation at any time; so that in time discharge, to guarantee quality of cleaned coal, cleaned coal is skipped regulating weir and is entered cleaned coal discharging funnel; spoil is before regulating weir; enter spoil by the discharge refuse wheel and enter funnel, and screenings directly enters screenings discharging funnel, cleaned coal; spoil and screenings; after entering the discharging funnel respectively; through bucket elevator dehydration outward transport separately, the viscosity of looking dehydration situation and wash water in the sorting production process is replenished proper amount of clear water; owing to constantly advance; go out the processes of material and intermediate link in good time, has promptly constituted the branch circulation of this machine and produces continuously.

Claims (9)

1, can rest the reciprocating machine movable-sieve jig, it comprises water tank, transmission device, moving plate, sieve nest, the discharge refuse wheel, regulating weir, waste rock discharge device, the discharging funnel, water inlet, gap, stopping means, buffer unit, directive wheel and motor, it is characterized in that: transmission device adopts cycloidal-pin wheel reducing motor (1) connecting crank (2) drive to realize reciprocating with the connecting rod (3) of slide block (4), in slide block (4) upper end adjustable backing plate (23) is housed and realizes adjusting speed ratio, slide block (4) is located also to be equipped with removable cushion block (22) and is formed with intermittence and does not have intermittently motion, between water tank (6) and moving plate (7), be provided with shock-absorbing spring (8), stopping means (9) is housed on water tank (6), and waste rock discharge device (10) adopts Hall element displacement transducer control discharge.

2, a kind of reciprocating machine movable-sieve jig that rests according to claim 1 is characterized in that: anti-deflector sheave (12) is equipped with near motor (1) position in sieve nest (11) both sides.

3, a kind of reciprocating machine movable-sieve jig that rests according to claim 1 is characterized in that: transmission adopted round-link chain (14) transmission of discharge refuse wheel (13) has also increased tensioning apparatus.

4, a kind of reciprocating machine movable-sieve jig that rests according to claim 1 is characterized in that: adjustable packing seal has been adopted in wheel (15) and water tank (16) junction.

5, a kind of reciprocating machine movable-sieve jig that rests according to claim 1 is characterized in that: filled the lightweight occupy-place material that do not absorb water in the keg float in the buoy (16).

6, a kind of reciprocating machine movable-sieve jig that rests according to claim 1 is characterized in that: moving plate (7) is provided with staircase (17) and the lifting beam (18) that leads to compass screen surface.

7, a kind of reciprocating machine movable-sieve jig that rests according to claim 1 is characterized in that: sieve nest (11) and moving plate (7) slip interlock.

8, a kind of reciprocating machine movable-sieve jig that rests according to claim 1, it is characterized in that: gap (19) locates to be equipped with board-like overflow mediation valve.

9, a kind of reciprocating machine movable-sieve jig that rests according to claim 1 is characterized in that: have spilled water hole (20) on the moving plate (7) of both sides.

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