CN105080825A - Spiral belt device in rolling shaft screen - Google Patents

Abstract

The invention provides a spiral belt device in a rolling shaft screen, and belongs to the technical field of rolling shaft screen devices of mining machinery. According to the spiral belt device, a front stand column and a rear stand column are symmetrically arranged on the front side and the rear side of a bottom frame plate, and the front stand column is higher than the rear stand column. A front roller and a rear roller are arranged on the upper portion of the front stand column and the upper portion of the rear stand column respectively, a rolling drum is located on the upper portions of the front and rear rollers, and separation belts are fixedly bonded with the inner circumferential face of the rolling drum in an equant mode. A mesh protecting barrel penetrates into the surfaces of the separation belts and is fixedly bonded with the separation belts. A stainless steel mesh barrel is arranged on the inner circumference of the mesh protecting barrel and is fixedly bonded with the mesh protecting barrel, and a spiral belt is fixedly bonded with the inner surface of the stainless steel mesh barrel. When pulp flows into the rolling shaft screen, due to synchronous rotation of the rolling drum, the separation belts, the mesh protecting barrel, the stainless steel mesh barrel and the spiral belt, fine sand and the pulp flow into the rear end of the inner circumference of the rolling drum from stainless steel mesh holes and then are discharged; coarse sand is discharged from the rear end of the stainless steel mesh barrel, the fine sand and the coarse sand are separated at two places, and the production efficiency of the spiral belt device is improved by 50% compared with the prior art.

Description

Hurricane band device in rolling shaft screen

One, technical field: the hurricane band device in rolling shaft screen is the rolling shaft screen device belonged in mining machinery technical field.

Two, background technology: known, the smooth surface of current rolling shaft screen to be the surface of screen drum be circular arc, due to circular arc smooth surface, when roller screen is at time rotational, screening area by the material of screen drum is a strip area, because the screening area of shaft screen is little, reduce production efficiency, this is the problem of shaft screen in operation.

Three, summary of the invention: for solving the problem in background technology, this device object is to provide a kind of hurricane band device rolled in screen drum, this device is before underframe plate, monosymmetricly afterwards be provided with sweptback front column and rear column, front column is higher than rear column, front wheel is provided with in front column upper end, rear roller is provided with in rear column upper end, the cylinder tilting backwards setting is seated in the centre of front wheel and rear roller, the front end consolidation of cylinder front back-up ring, the trailing flank of front back-up ring contacts with the leading flank of front wheel, back-up ring after the rear portion cylindrical of cylinder is provided with, the trailing flank of rear back-up ring contacts with the leading flank of rear roller, when front wheel and rear roller are when rotating, respectively, back-up ring and rear back-up ring block cylinder and to retreat the effect of oblique force, on longitudinal inwall of cylinder inner circle, the consolidation of decile isolation strip respectively, protecting wire net cylinder in the surperficial consolidation of isolation strip, stainless (steel) wire wound packages enters and is cemented in protecting wire net cylinder, on the inner surface of stainless (steel) wire cylinder, consolidation hurricane band, and hurricane band is steel bar hurricane band, when front wheel and rear roller rotate, cylinder is rotated, so cause the isolation strip in cylinder, protecting wire net cylinder, stainless (steel) wire cylinder and hurricane band to make synchronous axial system, when screened ore pulp enters in stainless (steel) wire cylinder, due to the rotation of hurricane band, ore pulp is made to do tangential rotary motion along stainless (steel) wire tube inner surface, so ore pulp screening area increases, when material in ore pulp does tangential motion in net cylinder, after promoted material is reach a certain height, material hangs by the effect of acceleration of gravity, because shaft screen is obliquely installed, so the position displacement backward when material hangs, this continuous print action, greatly promote the screening effect of ore pulp, this device hurricane band shaft screen that end is arranged on year-on-year basis improves the screening output of 50%.

The technical scheme that this device adopts: the hurricane band device in rolling shaft screen, be formed with underframe plate, front column, roller shaft, front wheel, front back-up ring, cylinder, isolation strip, protecting wire net cylinder, stainless (steel) wire cylinder, hurricane band, rear back-up ring, rear roller and rear column, it is characterized in that: underframe plate is rectangle steel plate; Front column and rear column are strip steel bodies, are provided with the open slot of spill in the upper end of strip steel body, concave-shaped openings groove biside plate top symmetry be provided with through hole; Roller shaft is cylindrical steel body; Front wheel and rear roller are rubber wheels, have a through hole at the center of rubber wheel; Front back-up ring and rear back-up ring are circular collar sheet steel bodies; Cylinder is cylindrical shape steel body; Isolation strip is strip steel body; Protecting wire net cylinder is the cylindrical shape steel body of macropore expanded metals; Stainless (steel) wire cylinder is the stainless steel cylindrical body of micropore expanded metals; Hurricane band is the spirality steel band that steel bar is made; The structure of this device: the front column of this device and rear column are arranged on underframe plate both sides front and rear respectively to rear-inclined certain angle, and roller shaft pierces into respectively in the through hole on front column top and the centre bore of front wheel; Roller shaft also pierces into respectively in the through hole on rear column top and the centre bore of rear roller; The cylindrical that front ring washer is set on drum front end carries out consolidation; The cylindrical that rear back-up ring is set on cylinder rear carries out consolidation; The leading flank of front wheel and the trailing flank of front back-up ring contact with each other, and the dead ahead of front wheel withstands on the cylindrical of cylinder; The leading flank of rear roller and the trailing flank of rear back-up ring contact with each other, and the dead ahead of rear roller withstands on the cylindrical at cylinder rear portion; The consolidation of the internal circular surfaces difference decile of cylinder isolation strip, and protecting wire net cylinder pierces into and carry out consolidation on the inner headed face of isolation strip; Stainless (steel) wire cylinder pierces into and carry out consolidation in protecting wire net cylinder; Hurricane band is cemented on the internal circular surfaces of stainless (steel) wire cylinder.

The advantage of above technical scheme is adopted to be: the hurricane band device in rolling shaft screen, due to the rotation of cylinder, isolation strip, protecting wire net cylinder, stainless (steel) wire cylinder and hurricane band is made to make synchronous axial system, when ore pulp enters in stainless (steel) wire cylinder, the direct flowing of ore pulp along stainless (steel) wire cylinder slope is stopped in the rotation of hurricane band; Because ore pulp is in flow process, a part of particulate from the micro hole of stainless (steel) wire cylinder through, flow to the lower end on slope in particulate and the space of water slurry between the inner surface and protecting wire net cylinder of cylinder, fine sand and part water slurry are discharged from cylinder lower end; Coarse sand granule not through stainless (steel) wire cylinder is discharged from lower end in stainless (steel) wire cylinder, due to the rear end of cylinder and stainless (steel) wire cylinder rear end in a distance.So the coarse sand material separated two of discharging in the fine sand material and stainless (steel) wire cylinder of cylinder discharge, because stainless (steel) wire tube inner surface is provided with hurricane band, when stainless (steel) wire cylinder is when rotating, hurricane band stir ore pulp and be mixed thick, fine sand is towards the flank movement of net cylinder, under the centrifugal action of cylinder, ore pulp and be mixed thick, fine sand moves in the side mesh of net cylinder, coarse sand not through hole hangs from the side of net cylinder, again carry out repeating motion, because cylinder is obliquely installed, ore pulp and mixing thick, position when fine sand hangs is towards lower motion, and ore pulp is that screening activity is carried out in lower surface and side in stainless (steel) wire cylinder, in being the increase in screening area, enhancing productivity on year-on-year basis and can reach 50%.

Four, accompanying drawing illustrates:

Fig. 1 is that the master of hurricane band device in rolling shaft screen looks semi-section structure principle chart.

Fig. 2 is the A TV structure schematic diagram left of Fig. 1.

Fig. 3 is the B-B top view cross section structure principle chart of Fig. 1.

Fig. 4 is that cross-section structure schematic diagram is looked on an A-A left side of Fig. 1.

Five, detailed description of the invention: consult Fig. 1 to Fig. 4 below and be described in detail, in Fig. 1 to Fig. 4, hurricane band device in rolling shaft screen, be formed with underframe plate 1, front column 2, roller shaft 3, front wheel 4, front back-up ring 5, cylinder 6, isolation strip 7, protecting wire net cylinder 8, stainless (steel) wire cylinder 9, hurricane band 10, rear back-up ring 11, rear roller 12 and rear column 13, it is characterized in that: underframe plate 1 is rectangle steel plate; Front column 2 and rear column 13 are strip steel bodies, are provided with the open slot of spill in the upper end of strip steel body, concave-shaped openings groove biside plate top symmetry be provided with through hole; Roller shaft 3 is cylindrical steel bodies; Front wheel 4 and rear roller 12 are rubber wheels, have a through hole at the center of rubber wheel; Front back-up ring 5 and rear back-up ring 11 are circular ring washer sheet steel bodies; Cylinder 6 is cylindrical shape steel bodies; Isolation strip 7 is strip steel bodies; Protecting wire net cylinder 8 is cylindrical shape steel bodies of macropore expanded metals; Stainless (steel) wire cylinder 9 is stainless steel cylindrical body of micropore expanded metals; Hurricane band 10 is spirality steel bands that steel bar is made; The structure of this device; The front column 2 of this device and rear column 13 are arranged on underframe plate 1 both sides front and rear respectively to rear-inclined certain angle, and roller shaft 3 pierces into respectively in the through hole on front column 2 top and the centre bore of front wheel; Roller shaft 3 also pierces into respectively in the through hole on rear column 13 top and the centre bore of rear roller 12; The cylindrical that front back-up ring 5 is set on cylinder 6 front end carries out consolidation; The cylindrical that rear back-up ring 11 is set on cylinder 6 rear carries out consolidation; The leading flank of front wheel 4 and the trailing flank of front back-up ring 5 contact with each other, and the dead ahead of front wheel 4 withstands on the cylindrical of cylinder 6; The leading flank of rear roller 12 and the trailing flank of rear back-up ring 11 contact with each other, and the dead ahead of rear roller 12 withstands on the cylindrical at cylinder 6 rear portion; The consolidation of the internal circular surfaces difference decile of cylinder 6 isolation strip 7, and protecting wire net cylinder 8 pierces into and carry out consolidation on the inner headed face of isolation strip 7; Stainless (steel) wire cylinder 9 pierces into and carry out consolidation in protecting wire net cylinder 8; Hurricane band 10 is cemented on the inner surface of stainless (steel) wire cylinder 9.

Claims (1)

1. the hurricane band device in rolling shaft screen, be formed with underframe plate (1), front column (2), roller shaft (3), front wheel (4), front back-up ring (5), cylinder (6), isolation strip (7), protecting wire net cylinder (8), stainless (steel) wire cylinder (9), hurricane band (10), rear back-up ring (11), rear roller (12) and rear column (13), it is characterized in that: underframe plate (1) is rectangle steel plate; Front column (2) and rear column (13) are strip steel bodies, are provided with the open slot of spill in the upper end of strip steel body, concave-shaped openings groove biside plate top symmetry be provided with through hole; Roller shaft (3) is cylindrical steel body; Front wheel (4) and rear roller (12) are rubber wheels, have a through hole at the center of rubber wheel; Front back-up ring (5) and rear back-up ring (11) are circular ring washer sheet steel bodies; Cylinder (6) is cylindrical shape steel body; Isolation strip (7) is strip steel body; Protecting wire net cylinder (8) is the cylindrical shape steel body of macropore expanded metals; Stainless (steel) wire cylinder (9) is the stainless steel cylindrical body of micropore expanded metals; Hurricane band (10) is the spirality steel band that steel bar is made; The structure of this device; The front column (2) of this device and rear column (13) are arranged on underframe plate (1) both sides front and rear respectively to rear-inclined certain angle, and roller shaft (3) pierces into respectively in the through hole on front column (2) top and the centre bore of front wheel; Roller shaft (3) also pierces in the centre bore of through hole on rear column (13) top and rear roller (12) respectively; The cylindrical that front back-up ring (5) is set on cylinder (6) front end carries out consolidation; The cylindrical that rear back-up ring (11) is set on cylinder (6) rear carries out consolidation; The leading flank of front wheel (4) and the trailing flank of front back-up ring (5) contact with each other, and the dead ahead of front wheel (4) withstands on the cylindrical of cylinder (6); The leading flank of rear roller (12) and the trailing flank of rear back-up ring (11) contact with each other, and the dead ahead of rear roller (12) withstands on the cylindrical at cylinder (6) rear portion; The consolidation of the internal circular surfaces difference decile of cylinder (6) isolation strip (7), and protecting wire net cylinder (8) pierces into and carry out consolidation on the inner headed face of isolation strip (7); Stainless (steel) wire cylinder (9) pierces into and carry out consolidation in protecting wire net cylinder (8); Hurricane band (10) is cemented on the inner surface of stainless (steel) wire cylinder (9).