CN201799399U - Vertical spiral vibrating screen - Google Patents
Vertical spiral vibrating screen Download PDFInfo
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- CN201799399U CN201799399U CN2010205027652U CN201020502765U CN201799399U CN 201799399 U CN201799399 U CN 201799399U CN 2010205027652 U CN2010205027652 U CN 2010205027652U CN 201020502765 U CN201020502765 U CN 201020502765U CN 201799399 U CN201799399 U CN 201799399U
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- 239000004744 fabric Substances 0.000 claims description 131
- 235000012054 meals Nutrition 0.000 claims description 12
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007665 sagging Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 description 16
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000007873 sieving Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a vertical spiral vibrating screen which has greatly increased screen area and ensures the movement stroke of powder to be extended. The vertical spiral vibrating screen comprises a base, a screen, a vibrator, a storage bin and a feed valve, wherein the screen is installed on the base through a plurality of support springs; the vibrator is connected with the lower end of the screen and positioned in the base; the storage bin is installed on the upper end of the screen; the feed valve is installed in the storage bin; the screen comprises a shell, a center pillar and a screen mesh; the shell is a cylinder provided with a cover plate and a bottom plate, and the lower part of the shell is provided with a fine powder feed opening and a coarse powder feed opening; the center pillar is vertically arranged in the middle of the shell; the screen mesh comprises a bottom screen mesh, a side screen mesh and a top plate; the inner edge of the bottom screen mesh is fixed to the center pillar and spirals down around the center pillar; the side screen mesh is coaxial with the center pillar and spirals down around the center pillar; the lower end of the side screen mesh is connected with the outer edge of the bottom screen mesh; and the inner edge of the top plate is fixed to the center pillar and spirals down around the center pillar.
Description
Technical field
The utility model relates to a kind of high accuracy fine powder sieving machine, is specifically related to a kind of vertical spiral vibration sieve.
Technical background
When the powder granule particle diameter below 1mm, the mesh of screen cloth is no longer used millimeter level in the screening plant, but be measurement unit with " order ", because particle diameter is little, makes the increase of screening difficulty, makes same equipment be applied in the treating capacity of powder when sieving and declines to a great extent.The powder industry also requires very highly to screening precision in addition, and the field screening precision that has must be higher than 97% (screening precision is meant the fine powder that is mingled with in the finished product that tails over, and promptly particle diameter is less than the powder of mesh size, the shared proportion that tails over finished product).
The screening plant that is applied in the powder field now mainly adopts and revolves the sieve that shakes.Vibratory sieve is a principle of utilizing the vibrating motor exciting, makes material make the great-jump-forward rectilinear motion on compass screen surface, reaches the purpose of screening with the screen cloth of reasonable coupling.This equipment screening precision is higher relatively, can reach 95%, but finds that in actual applications there is following deficiency in it:
1) will improve screening precision to 97% even when higher, treating capacity can decline to a great extent, be its nominal output 1/3 in addition lower, thin especially more powder descends serious more;
2) owing to revolve the structural limitations of the sieve that shakes, the thin-walled of its sheet metal structural is difficult to bear long tired vibration, only is 2 meters so revolve the screen cloth diameter maximum of the sieve that shakes, and this just makes its treating capacity be difficult to improve, and can't adapt to the powder industry demand growing to production capacity.
At the deficiency of revolving the sieve that shakes, a kind of follow-on " snowslide sieve " (see figure 1) has appearred in the industry, it is provided with meal screen cloth 1 and meal discharging opening 4 in the superiors, and then the below of meal screen cloth 1 set gradually up and down identical fine powder screen cloth 2,3 and the fine powder discharging opening 5 in two-layer aperture, and tails over fine powder discharging opening 6 orlop being provided with.Structure that should " snowslide sieve " is actual to have strengthened one times with the fine powder screen area exactly, and reaching the purpose of raising treating capacity, but this distance users requirement gap is still very big.
From existing situation, improve treating capacity and exist bigger contradiction with improving screening precision, promptly under the certain situation of screen area, inlet amount is crossed conference and is made the part powder also not touch screen cloth just to have discharged; Powder (size ratio is near mesh size) for the near mesh particle footpath will increase the probability that it sees through screen cloth in addition, just must increase its number of times with the screen cloth contact, concrete implementation method is exactly to prolong the movement travel of powder on screen cloth, so also just prolong the time of screening, thereby reduced treating capacity.So adopt existing " revolving the sieve that shakes " and " snowslide sieve " structural limitations owing to them, this is insurmountable to contradiction.
Summary of the invention
The utility model has overcome deficiency of the prior art, and a kind of vertical spiral vibration sieve is provided, and it can significantly increase screen area and can prolong the movement travel of powder, thereby has promoted sieving capacity and screening precision.
Realize that the above-mentioned purpose technical scheme is: a kind of vertical spiral vibration sieve, comprise that a base, is installed in sieve on the base, by some support springs and is installed in the charging valve of feed bin with the feed bin and that vibrating device, that the lower end of sieve is connected and is arranged in base is installed in the sieve upper end, described sieve comprises shell, middle standing pillar and screen cloth.Wherein:
Described shell is one to have the cylinder of cover plate and base plate, and a fine powder feed opening and a meal feed opening are offered in the bottom of this shell;
Described middle standing pillar vertically stands on described shell central authorities;
Described screen cloth comprises bottom surface screen cloth, side screen cloth and top board, the inner edge of described bottom surface screen cloth is fixed on the described middle standing pillar and around middle standing pillar spirals, described side screen cloth descends with the coaxial setting of described middle standing pillar and around middle standing pillar spirals, the lower end of described side screen cloth is connected with the outer rim of described bottom surface screen cloth, the inner edge of described top board is fixed on the described middle standing pillar and spirals and descend around described middle standing pillar, and its outer rim is connected with the upper end of described side screen cloth; The upper end of described middle standing pillar and screen cloth is connected with described charging valve, and the lower end is connected with the base plate of described shell;
Described vibrating device comprises a casing, a back shaft, a pair of vibrating motor and a governor motion, the upper end of described casing is one to be used for and described sieve flange connecting, the inner chamber central authorities of this casing be provided with one vertically to middle fagging, this centre fagging be provided with a level to perforation; Described back shaft is inserted in the perforation of described central dividing plate rotationally; Described a pair of vibrating motor is that the mode of α 1 and α 2 is intersected the two that is installed in described back shaft with the angle of its axis and described casing axis respectively, and described back shaft is positioned at this mechanics center to vibrating motor; Described governor motion comprises a leading screw and a pair of location-plate, described leading screw with described in the middle of the vertical mode of the perforation of fagging flatly be inserted on the left and right sides sidewall of middle the fagging that is positioned at described perforation top and described casing, this leading screw by be positioned at described in the middle of the right-handed thread section in fagging left side and the left-handed thread section that is positioned at described middle fagging right side constitute; Described a pair of location-plate with fagging in the middle of described be symmetry axis can be relatively or the support or oppose right-handed thread section that is installed in described leading screw movably and left-handed thread section on and be connected with described a pair of vibrating motor respectively, along with the rotation of described leading screw can be regulated the big or small of the angle α 1 of described a pair of vibrating motor and described casing axis and α 2 and guarantee that α 1 equates with α 2.
Above-mentioned vertical spiral vibration sieve, wherein, described bottom surface screen cloth with interior low outer high and with the angle of horizontal plane be that 3 °～5 ° mode upwarps; Described top board with low inside and high outside and with the angle of horizontal plane be that 3 °～5 ° mode is sagging.
Above-mentioned vertical spiral vibration sieve, wherein, described bottom surface screen cloth comprises the spiral section of several uniform pitch, the pitch of each spiral section is the distance of the inner edge of described bottom surface screen cloth to described top board inner edge.
Above-mentioned vertical spiral vibration sieve, wherein, described a pair of vibrating motor is installed in two of described back shaft respectively by a motor cabinet.
Above-mentioned vertical spiral vibration sieve wherein, also is provided with one parallel with described leading screw and be positioned at horizontal fagging on the horizontal center line of described back shaft in the described casing.
Above-mentioned vertical spiral vibration sieve, wherein, described charging valve comprises a burden-guiding cone, an agitator, an eccentric block and an adjustment awl.Described burden-guiding cone is up-small and down-big and middle cone with an axially extending bore, and it is fixed on the upper end of described middle standing pillar; Described agitator comprise one intert rotationally level that rotating shaft and in the through hole of described burden-guiding cone is installed in the rotating shaft upper end to stirring rod; Described eccentric block is installed in the lower end of described rotating shaft and is positioned at the below of described burden-guiding cone; Described adjustment awl is up big and down small circular cone tube, its bottom diameter is greater than the lower end external diameter of described burden-guiding cone, it is sleeved on the peripheral of described burden-guiding cone and is removably mounted on the inwall of cover plate of described shell, so that between the periphery wall of the internal perisporium of described adjustment awl and described burden-guiding cone the formation level to the space, this space and screen cloth vertical to the feed opening of going into interruption-forming one scroll casing shape.
Above-mentioned vertical spiral vibration sieve, wherein, described adjustment awl is by on the inwall of cover plate of adjusting bolt and liftably being installed in described shell, with the size in the space between the periphery wall of the internal perisporium of adjusting described adjustment awl and described burden-guiding cone.
Above-mentioned vertical spiral vibration sieve, wherein, described screen cloth also comprise be arranged in parallel and be that upper and lower beam, many under central shaft spirals is connected across the crossbeam that longeron between the upper and lower beam and many two ends are separately fixed on middle standing pillar and the underbeam and are radial equipartition in uniform way with described middle standing pillar, described upper beam is connected the outer rim of described top board; Adjacent two longerons and upper and lower beam constitute side, the unit housing of a described side screen cloth; Adjacent two crossbeams, middle standing pillar and underbeams constitute bottom surface, the unit housing of described bottom surface screen cloth; Described bottom surface screen cloth is spliced by bottom surface, polylith unit screen cloth, and the shape of every module unit bottom surface screen cloth and bottom surface, described unit housing is adaptive, and every module unit bottom surface screen cloth is removably mounted in the housing of bottom surface, unit; Described side screen cloth is assembled by side, polylith unit screen cloth, and the shape of every module unit side screen cloth and side, described unit housing is adaptive, and every module unit side screen cloth is removably mounted in the housing of side, unit.
Above-mentioned vertical spiral vibration sieve, wherein, described bottom surface screen cloth is spliced by identical bottom surface, the unit screen cloth of polylith area, and every module unit bottom surface screen cloth comprises fan-shaped framework and is laid on wire side in the fan-shaped framework; Described side screen cloth is spliced by identical side, the unit screen cloth of polylith area, and every module unit side screen cloth comprises bent frame and the wire side that is laid in the bent frame.
Above-mentioned vertical spiral vibration sieve wherein, connects by a canvas dirt-proof boot between the lower end of described feed bin and the cover plate of described shell.
The technical scheme of vertical spiral vibration sieve of the present utility model, adopt spiral mesh structure, screen area is significantly improved, and the movement travel that has therefore prolonged powder, make disposal ability and screening precision improve a lot, secondly, spiral mesh structure makes powder just can rotate descending along the spirality wire side by the gravity of self, feasible radially turning moment can reduce, and is beneficial to reduce energy consumption and reduce the equipment fatigue damage.In addition, the frame structure that screen cloth, top board, middle standing pillar and shell constitute makes the ability of each connecting portion antifatigue vibration of equipment significantly improve, for large scale development provides the space.
Adopt the charging aperture adjusting device in addition, utilize the vibration of sieve self, the control blanking velocity can reduce the oscillating feeder or the hopper wall vibrator of available technology adopting, thereby has reduced the energy consumption and the cost of whole system.The frame structure that this roof sheet and screen cloth constitute makes its structural strength will improve much compared with the common sieve that shakes that revolves, and its external diameter can surpass 3 meters, provide development space, meeting the market requirement for product maximizes.The mounting means that screen cloth adopts framework to cut apart has significantly reduced the area of individual screen cloth, often has to change whole screen cloth because of local damage in the past, and consumption has very big benefit for the reduction screen cloth so reduce single screen area.
Description of drawings
Fig. 1 is the structural representation of the snowslide sieve of prior art;
Fig. 2 is the structural representation of vertical spiral vibration sieve of the present utility model;
Fig. 3 is the structural representation of the vibrating device in the vertical spiral vibration sieve of the present utility model;
Fig. 4 is the profile of the vibrating device in the vertical spiral vibration sieve of the present utility model;
Fig. 5 is the screening flow chart of vertical spiral vibration sieve of the present utility model;
Fig. 6 is the structural representation of the charging valve of vertical spiral vibration sieve of the present utility model;
Fig. 7 is the powder flow path schematic diagram in the charging valve of vertical spiral vibration of the present utility model sieve;
Fig. 8 is the structural representation of bottom surface screen cloth in the vertical spiral vibration sieve of the present utility model;
Fig. 9 is the vertical view of Fig. 8;
Figure 10 is the enlarged drawing at A position among Fig. 9.
The specific embodiment
In order to understand the technical solution of the utility model better, also be described in detail in conjunction with the accompanying drawings below by specific embodiment.
See also Fig. 2, vertical spiral vibration of the present utility model sieve comprises that a base 1, is installed in the charging valve 8 of feed bin 7 by the feed bin 7 and that some support springs 6 are installed in that sieve 3, on the base 1 is connected with the lower end of sieve 3 and the vibrating device 2, that is arranged in base 1 is installed in sieve 3 upper ends.
Sieve 1 comprises shell 4, middle standing pillar 51 and screen cloth 5, wherein:
Shell 4 is one to have the cylinder of cover plate 40 and base plate, and a fine powder feed opening 41 and a meal feed opening 42 are offered in its bottom;
Middle standing pillar 51 vertically stands on the central authorities of shell 4; The upper end of middle standing pillar 51 and screen cloth 5 is connected with charging valve 7, and the lower end is connected with the base plate of shell 4;
Spiral under screen cloth 5 is around middle standing pillar 51 spirals is trapezoidal, and it comprises bottom surface screen cloth 52, side screen cloth 53 and top board 54; The inner edge of bottom surface screen cloth 52 is fixed on the middle standing pillar 51 and around middle standing pillar 51 spirals; Side screen cloth 53 descends with middle standing pillar 51 coaxial settings and around middle standing pillar 51 spirals; The outer rim of bottom surface screen cloth 52 is connected with the lower end of side screen cloth 53; The inner edge of top board 54 is fixed on the middle standing pillar 51 and around middle standing pillar 51 spirals, and the outer rim of top board 54 is connected with the upper end of side screen cloth 53;
Bottom surface screen cloth 52 with interior low outer high and with the angle of horizontal plane be that 3 °～5 ° mode upwarps; Top board 54 with low inside and high outside and with the angle of horizontal plane be that 3 °～5 ° mode is sagging;
Bottom surface screen cloth 52 comprises the spiral section of several uniform pitch, and the pitch of each spiral section is the distance of the inner edge of bottom surface screen cloth 53 to top board 54 inner edges;
Meal outlet is offered in the bottom of screen cloth 5, and this meal outlet is communicated to the meal feed opening 42 of shell 4 by a tremie pipe;
See also Fig. 3 and Fig. 4 again, vibrating device 2 comprises a casing 20, a back shaft 21, a pair of vibrating motor 22,23 and a governor motion, wherein:
The upper end of casing 20 is one to be used for and sieve 3 flange connecting, the inner chamber central authorities of this casing 20 be provided with one vertically to middle fagging 201, this centre fagging 201 be provided with a level to perforation 203; Also being provided with fagging 201 in the middle of in the casing 20 intersects vertically and is positioned at horizontal fagging 202 on the horizontal center line of perforation 203;
A pair of vibrating motor 22,23 is that the mode of α 1 and α 2 is intersected the two that is installed in back shaft 21 by a motor cabinet 24 with the angle of its axis and casing 20 axis respectively, and back shaft 21 is positioned at this mechanics center to vibrating motor 22,23;
Governor motion comprises a leading screw 25 and a pair of location- plate 26,27, leading screw 25 flatly is inserted in the mode vertical with the perforation 203 on the middle fagging 201 on the left and right sides sidewall of middle the fagging 201 that is positioned at perforation 203 tops and machine 20 shells, and this leading screw 25 is made of right-handed thread section that is positioned at faggings 201 left sides in the middle of 4 and the left-handed thread section that is positioned at fagging 201 right sides, centre; A pair of location- plate 26,27 with middle fagging 201 be symmetry axis can be relatively or the support or oppose right-handed thread section that is installed in leading screw 25 movably and left-handed thread section on and be connected with a pair of vibrating motor 22,23 respectively;
During rotational lead screw, a pair of location- plate 26,27 moves or moves laterally simultaneously to the center simultaneously, and both are identical with distance between center line to be L1=L2.Motor rotates thereupon when a pair of location- plate 26,27 moves, the angle α 1=α 2 of a pair of vibrating motor 22,23 center lines and casing axis.
A pair of vibrating motor 22,23 symmetrical chiasmas are installed the pattern that the back forms " intersection twin shaft inertia vibration generator ", make powder can be the motion of whirlpool shape around the axle center, can adapt to the job requirement of the trapezoidal vibratory sieve of spiral well.This governor motion can very accurately be used for changing the angle of a pair of vibrating motor and vertical axis, and symmetry is good, is difficult for producing harmful eccentric moment.
The operation principle of vibrating device is: vibration force can be decomposed into along the power Pz=4m0r ω 2sin α cos ω t of vertical axis with around the power Mz=4m0r ω 2Rsin α cos ω t of vertical axis, (α is α 1, α 2 in the formula,) along axial power Pz powder is beated on the screen cloth face, make it to move to the centrifugal force that powder imposes horizontal direction around axial power Mz to outer rim.Because the outer rim of bottom surface screen cloth 52 is upturned, like this by adjusting angle α, just can change the distribution of powder on screen cloth 5, see Fig. 5, wherein, the initial material 100 that enters screen cloth 5 is flowed to screen cloth 5 outer rims by action of centrifugal force, wherein can see through bottom surface screen cloth 52 and side screen cloth 53 fine powders 200 directly is thrown on the shell 4 or is fallen on the following top board 54, be thrown to then on the shell 4, flow out through fine powder feed opening 41 again, not descending along the spiral path of screen cloth 5 by meal 300 continuation of screen cloth 5, up to the lower end-meal feed opening 42 of screen cloth 5.Because the flowing velocity of the powder in screen cloth 5 outsides is fast, so outside powder should be more than the inboard, angle [alpha] is generally got less than 45 degree.
Adopted the pattern of this " intersection twin shaft inertia vibration generator ", from top formula as can be known, its horizontal direction just in time produces revolving force Mz, makes powder can be the motion of whirlpool shape around the axle center, and can also change the distribution of powder on screen cloth by adjusting Mz.Because the difference of various factors such as the viscosity of powder own, water content, must adjust the size of Pz and Mz in the use, to adapt to different powder requirements, for example tough powder just must improve Pz reduction Mz (reduction flowing velocity) and guarantee screening precision, the effect place of Here it is governor motion.
See also Fig. 6 and Fig. 7 again, the charging valve comprises a burden-guiding cone 81, an agitator, an eccentric block 84 and an adjustment awl 85, wherein:
Burden-guiding cone 81 is up-small and down-big and middle cone with an axially extending bore, and it is fixed on the upper end of middle standing pillar 51;
Agitator comprise one intert rotationally level that rotating shaft 82 and in the through hole of burden-guiding cone 814 is installed in rotating shaft 82 upper ends to stirring rod 83;
Eccentric block 84 is installed in the lower end of rotating shaft 82 and is positioned at the below of burden-guiding cone 81;
Adjusting awl 85 is up big and down small circular cone tube, its bottom diameter is greater than the lower end external diameter of burden-guiding cone 81, it is sleeved on the peripheral of burden-guiding cone 81 and is removably mounted on the inwall of cover plate 40 of shell 4, so that adjust formation level between the periphery wall of the internal perisporium of awl 85 and burden-guiding cone 81 to the space, this space and screen cloth vertical to the feed opening 86 of going into interruption-forming one scroll casing shape.Adjust awl 85 by on the inwall of cover plate 40 of adjusting bolt and liftably being installed in shell 4, with the pore size between the periphery wall of regulating the internal perisporium of adjusting awl 85 and guide 81.
Connect by a canvas dirt-proof boot 87 between the cover plate 40 of the lower end of feed bin 7 and shell 4.
The operation principle that is used for the charging valve of vertical spiral vibration sieve of the present utility model is:
Vertical spiral vibration sieve has along the circumferential direction a turning moment when work, under this turning moment effect, drive stirring bars 83 rotations by eccentric block 84, and the powders in the feed bin 7 are loosened, and makes its smooth blanking.Powder flows to screen cloth from the gap between burden-guiding cone 81 and the adjustment awl 85.Because burden-guiding cone 81 fixes, can oscilaltion and adjust awl 85 by adjusting bolt, adjust awl 85 space of rising then and strengthen, to adjust awl 85 and descend then that the space reduces, the also change thereupon of the flow of powder is complementary flow and sieve treating capacity.Utilize the whirling vibration of vibratory sieve simultaneously, the effect of loosening powder is also played in this space.
Since the space be level to, and the inlet of the screen cloth that is attached thereto be vertically to, both spatially are the rotation relationships of 90 degree, thereby form the feed opening 86 of a scroll casing shape, and powder can be smoothly transitted.Turning moment when utilizing sieve 3 work, powder track in the shape of a spiral is descending, the feed opening 86 of scroll casing shape also with the helical trajectory coupling of screen cloth, thereby reduce the wearing and tearing of powder to apparatus casing.
The effect of stirring rod 83 is the hopper wall vibrators that replace available technology adopting, is used to dredge flowing of feed bin 7 interior powders, and adjusting awl 85 and burden-guiding cone 81 is to play the effect of regulating powder flow rate, is used for replacing the oscillating feeder of available technology adopting,
See also Fig. 8 to Figure 10 more also in conjunction with consulting Fig. 1, screen cloth 5 also comprise be arranged in parallel and be that upper and lower beam 55,56, many under central shaft spirals is connected across the crossbeam 58 that longeron 57 between the upper and lower beam 55,56 and many two ends are separately fixed on middle standing pillar 51 and the underbeam 56 and are radial equipartition in uniform way with middle standing pillar 51,55 outer rims that are connected top board 54 of putting the beams in place.Adjacent two crossbeams 58, middle standing pillar 51 and underbeam 56 constitute bottom surface, the unit housing 521 of bottom surface screen clothes 52; Adjacent two longerons 57 and upper and lower beam 55,56 constitute side, the unit housing 531 of a side screen cloth 53.
Bottom surface screen cloth 52 is spliced by bottom surface, polylith unit screen cloth, the shape of every module unit bottom surface screen cloth and bottom surface, unit housing 521 is adaptive, every module unit bottom surface screen cloth comprises fan-shaped inside casing 522 and the wire side 523 that is laid in the fan-shaped inside casing 522, every module unit bottom surface screen cloth adopts split pin 59 to be removably mounted in bottom surface, the unit housing 521, and it is very convenient to change.
Because screen cloth has been divided into the little net in a plurality of unit, each screen area of changing can significantly reduce, and greatly reduces the consumption of screen cloth, has also alleviated maintenance load, the screen cloth that the screen cloth consumption revolves the sieve that shakes compared with tradition to be reduced a lot, played positive effect saving energy and reduce the cost.
When vertical spiral vibration riddler of the present utility model does, seeing through screen cloth 5 in the everywhere of screen cloth 5 is on the top board 54 below particle diameter all can be fallen less than the powder in screen cloth 5 apertures, centrifugal force can be thrown on shell 4 sidewalls of sieve 3 during by sieve 3 vibrations, be slipped to the fine powder receiving hopper of bottom, by fine powder feed opening 41 fine powder is discharged sieve 3, stay on the screen cloth 5 is that the thick powder in size ratio screen cloth 5 apertures continues to move downward, after walking to the lower end of screen cloth 5, fall into the meal receiving hopper, discharge sieve 3 by meal feed opening 42.
Vertical spiral vibration sieve of the present utility model adopts spiral mesh structure, by extending to the space, significantly increased screen area, thereby sieving capacity and screening precision have been promoted, and by gravity, powder can be descending along the rotation of spiral wire side, makes that radially turning moment can reduce, and is beneficial to the fatigue damage that reduces energy consumption and reduce equipment.
Above embodiment has been described in detail the utility model, and those skilled in the art can make the many variations example to the utility model according to the above description.Thereby some details in the embodiment should not constitute qualification of the present utility model, and the scope that the utility model will define with appended claims is as protection domain of the present utility model.
Claims (10)
1. a vertical spiral vibration sieves, comprise that a base, is installed in sieve on the base, by some support springs and is installed in the charging valve of feed bin with the feed bin and that vibrating device, that the lower end of sieve is connected and is arranged in base is installed in the sieve upper end, described sieve comprises shell, middle standing pillar and screen cloth, it is characterized in that
Described shell is one to have the cylinder of cover plate and base plate, and a fine powder feed opening and a meal feed opening are offered in the bottom of this shell;
Described middle standing pillar vertically stands on described shell central authorities;
Described screen cloth comprises bottom surface screen cloth, side screen cloth and top board, the inner edge of described bottom surface screen cloth is fixed on the described middle standing pillar and around middle standing pillar spirals, described side screen cloth descends with the coaxial setting of described middle standing pillar and around middle standing pillar spirals, the lower end of described side screen cloth is connected with the outer rim of described bottom surface screen cloth, the inner edge of described top board is fixed on the described middle standing pillar and spirals and descend around described middle standing pillar, and its outer rim is connected with the upper end of described side screen cloth;
The upper end of described middle standing pillar and screen cloth is connected with described charging valve, and the lower end is connected with the base plate of described shell;
Described vibrating device comprises a casing, a back shaft, a pair of vibrating motor and a governor motion,
The upper end of described casing is one to be used for and described sieve flange connecting, the inner chamber central authorities of this casing be provided with one vertically to middle fagging, this centre fagging be provided with a level to perforation;
Described back shaft is inserted in the perforation of described central dividing plate rotationally;
Described a pair of vibrating motor is that the mode of α 1 and α 2 is intersected the two that is installed in described back shaft with the angle of its axis and described casing axis respectively, and described back shaft is positioned at this mechanics center to vibrating motor;
Described governor motion comprises a leading screw and a pair of location-plate, described leading screw with described in the middle of the vertical mode of the perforation of fagging flatly be inserted on the left and right sides sidewall of middle the fagging that is positioned at described perforation top and described casing, this leading screw by be positioned at described in the middle of the right-handed thread section in fagging left side and the left-handed thread section that is positioned at described middle fagging right side constitute; Described a pair of location-plate with fagging in the middle of described be symmetry axis can be relatively or the support or oppose right-handed thread section that is installed in described leading screw movably and left-handed thread section on and be connected with described a pair of vibrating motor respectively, along with the rotation of described leading screw can be regulated the big or small of the angle α 1 of described a pair of vibrating motor and described casing axis and α 2 and guarantee that α 1 equates with α 2.
2. vertical spiral vibration according to claim 1 sieve is characterized in that, described bottom surface screen cloth with interior low outer high and with the angle of horizontal plane be that 3 °～5 ° mode upwarps; Described top board with low inside and high outside and with the angle of horizontal plane be that 3 °～5 ° mode is sagging.
3. vertical spiral vibration sieve according to claim 1 and 2 is characterized in that described bottom surface screen cloth comprises the spiral section of several uniform pitch, and the pitch of each spiral section is the distance of the inner edge of described bottom surface screen cloth to described top board inner edge.
4. vertical spiral vibration sieve according to claim 1 is characterized in that described a pair of vibrating motor is installed in two of described back shaft respectively by a motor cabinet.
5. vertical spiral vibration according to claim 1 sieve is characterized in that, also is provided with one parallel with described leading screw and be positioned at horizontal fagging on the horizontal center line of described back shaft in the described casing.
6. vertical spiral vibration sieve according to claim 1 is characterized in that, described charging valve comprises a burden-guiding cone, an agitator, an eccentric block and an adjustment awl,
Described burden-guiding cone is up-small and down-big and middle cone with an axially extending bore, and it is fixed on the upper end of described middle standing pillar;
Described agitator comprise one intert rotationally level that rotating shaft and in the through hole of described burden-guiding cone is installed in the rotating shaft upper end to stirring rod;
Described eccentric block is installed in the lower end of described rotating shaft and is positioned at the below of described burden-guiding cone;
Described adjustment awl is up big and down small circular cone tube, its bottom diameter is greater than the lower end external diameter of described burden-guiding cone, it is sleeved on the peripheral of described burden-guiding cone and is removably mounted on the inwall of cover plate of described shell, so that between the periphery wall of the internal perisporium of described adjustment awl and described burden-guiding cone the formation level to the space, this space and screen cloth vertical to the feed opening of going into interruption-forming one scroll casing shape.
7. vertical spiral vibration sieve according to claim 6, it is characterized in that, described adjustment awl is by on the inwall of cover plate of adjusting bolt and liftably being installed in described shell, with the size in the space between the periphery wall of the internal perisporium of adjusting described adjustment awl and described burden-guiding cone.
8. vertical spiral vibration sieve according to claim 1, it is characterized in that, described screen cloth also comprise be arranged in parallel and be that upper and lower beam, many under central shaft spirals is connected across the crossbeam that longeron between the upper and lower beam and many two ends are separately fixed on middle standing pillar and the underbeam and are radial equipartition in uniform way with described middle standing pillar, described upper beam is connected the outer rim of described top board;
Adjacent two longerons and upper and lower beam constitute side, the unit housing of a described side screen cloth;
Adjacent two crossbeams, middle standing pillar and underbeams constitute bottom surface, the unit housing of described bottom surface screen cloth;
Described bottom surface screen cloth is spliced by bottom surface, polylith unit screen cloth, and the shape of every module unit bottom surface screen cloth and bottom surface, described unit housing is adaptive, and every module unit bottom surface screen cloth is removably mounted in the housing of bottom surface, unit;
Described side screen cloth is assembled by side, polylith unit screen cloth, and the shape of every module unit side screen cloth and side, described unit housing is adaptive, and every module unit side screen cloth is removably mounted in the housing of side, unit.
9. vertical spiral vibration sieve according to claim 8 is characterized in that,
Described bottom surface screen cloth is spliced by identical bottom surface, the unit screen cloth of polylith area, and every module unit bottom surface screen cloth comprises fan-shaped framework and is laid on wire side in the fan-shaped framework;
Described side screen cloth is spliced by identical side, the unit screen cloth of polylith area, and every module unit side screen cloth comprises bent frame and the wire side that is laid in the bent frame.
10. vertical spiral vibration sieve according to claim 1 is characterized in that, connects by a canvas dirt-proof boot between the lower end of described feed bin and the cover plate of described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205027652U CN201799399U (en) | 2010-08-24 | 2010-08-24 | Vertical spiral vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205027652U CN201799399U (en) | 2010-08-24 | 2010-08-24 | Vertical spiral vibrating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201799399U true CN201799399U (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205027652U Expired - Fee Related CN201799399U (en) | 2010-08-24 | 2010-08-24 | Vertical spiral vibrating screen |
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| Country | Link |
|---|---|
| CN (1) | CN201799399U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438047A (en) * | 2014-11-07 | 2015-03-25 | 四川旭华制药有限公司 | Rotary vibrating screen of spiral structure |
| CN108654982A (en) * | 2018-05-03 | 2018-10-16 | 蔡王钲 | A kind of block vegetable processing vibrating screening device of horizontal blowing |
| CN108731433A (en) * | 2018-06-08 | 2018-11-02 | 蓬雪玲 | A kind of Chinese medicine processing drying equipment of continuous blanking |
| CN113735402A (en) * | 2021-09-23 | 2021-12-03 | 山东东风双隆机械有限公司 | Eddy current type livestock and poultry excrement dry-wet separator |
-
2010
- 2010-08-24 CN CN2010205027652U patent/CN201799399U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438047A (en) * | 2014-11-07 | 2015-03-25 | 四川旭华制药有限公司 | Rotary vibrating screen of spiral structure |
| CN108654982A (en) * | 2018-05-03 | 2018-10-16 | 蔡王钲 | A kind of block vegetable processing vibrating screening device of horizontal blowing |
| CN108654982B (en) * | 2018-05-03 | 2020-07-10 | 山东晶荣食品有限公司 | Horizontal blowing vibration screening equipment for processing blocky vegetables |
| CN108731433A (en) * | 2018-06-08 | 2018-11-02 | 蓬雪玲 | A kind of Chinese medicine processing drying equipment of continuous blanking |
| CN113735402A (en) * | 2021-09-23 | 2021-12-03 | 山东东风双隆机械有限公司 | Eddy current type livestock and poultry excrement dry-wet separator |
| CN113735402B (en) * | 2021-09-23 | 2023-01-10 | 山东东风双隆机械有限公司 | Eddy current type livestock and poultry excrement dry-wet separator |
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Granted publication date: 20110420 Termination date: 20130824 |