CN215088764U

CN215088764U - Cone probability screen

Info

Publication number: CN215088764U
Application number: CN202121246070.7U
Authority: CN
Inventors: 苗海波
Original assignee: Henan Gongda Machinery Co ltd
Current assignee: Henan Gongda Machinery Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-10
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a circular cone probability sieve, it includes the sieve case, set up in the screen frame of sieve incasement portion and set up in the support of sieve bottom of the case portion, wherein the screen frame is by supporting the cone, set up and locate the annular stick sieve on supporting the cone in the tripper and the cover at support cone top and constitute, the bottom of supporting the cone is fixed in on the support through damping spring, the downside mid-mounting of support cone has vibrating device, be equipped with undersize thing passageway chamber and oversize thing passageway chamber on the support, the upper portion of sieve case is equipped with the feed inlet relative with the tripper and the bottom seal of this sieve case is fixed in on the oversize thing passageway chamber. The utility model discloses compare with traditional sieve machine, under the same area circumstances, this circular cone probability sieve possess bigger cloth width, more excellent sieve effect that passes through, tighter sealed effect, lighter the quality of shaking of participating in, lower power demand, littleer installation basic impact load, more succinct sieve structure, the life of sieve is longer.

Description

Cone probability screen

Technical Field

The utility model belongs to the technical field of screening equipment, concretely relates to circular cone probability sieve.

Background

The vibrating screen mainly comprises a screen box, a vibration exciter, a supporting/hanging device, a motor and the like. The motor drives the main shaft of the vibration exciter to rotate through the belt, and the screen box is vibrated due to the action of centrifugal inertia force of unbalanced weights on the vibration exciter. The eccentric weight of the vibration exciter is changed, and different amplitudes can be obtained. In the practical use process, however, the feeding amount is changed greatly, the particle size of the material is changed greatly, and the conventional bar sieve plate is easy to cause material blocking in the sieving process due to the consistent clearance between the bar sieve plate and the sieve plate. The screen box of the vibrating screen vibrates, thereby increasing the raise dust and being difficult to seal. In addition, the sieve box of the vibrating sieve is heavy, so that not only is higher design strength required, but also higher exciting force and power are required, materials are wasted, impact force on an installation foundation is large, and equipment manufacturing cost, civil engineering cost, operation cost and maintenance cost are increased. In order to improve the vibration screening effect and solve the problems, the existing bar type vibration screen needs to be improved.

Disclosure of Invention

The utility model provides a technical problem provide a circular cone probability sieve that structural design is reasonable, life is longer and screening efficiency is higher.

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme, a circular cone probability sieve, its characterized in that is including the sieve case, set up in the screen frame of sieve incasement portion and set up in the support of sieve bottom of the case portion, wherein the screen frame is by supporting the cone, set up and locate the annular stick sieve on supporting the cone in the tripper and the cover that support the cone top and constitute, the bottom of supporting the cone is fixed in on the support through damping spring, the downside mid-mounting of supporting the cone has vibrating device, be equipped with undersize thing passageway chamber and oversize thing passageway chamber on the support, the upper portion of sieve case is equipped with the feed inlet relative with the tripper and the sealed bottom that is fixed in oversize thing passageway chamber of this sieve case.

Further inject, be equipped with the annular stick sieve of multilayer that the sieve mesh diminishes gradually by last under to on the support cone in proper order, this annular stick sieve includes annular sieve strip mounting base and follows the grating of circumferencial direction equipartition on annular sieve strip mounting base excircle.

Further inject, the last edge circumferencial direction equipartition of annular grating mounting base has the grating spliced eye that a plurality of slopes set up, and the grating is pegged graft and is fixed in the grating spliced eye of annular grating mounting base and the grating sets up to the homonymy slope, and the opening gap between the adjacent grating presents the structure of big end outside small.

Further, the same-direction inclination angle of the screen bars is 0-70 degrees.

Further inject, annular bar sieve is established through annular bar mounting base cover and is installed on supporting the cone, is equipped with the annular that is used for supporting this annular bar sieve on the support cone of annular bar mounting base lower part and supports the boss, and this annular bar sieve sets up on annular supports the boss, supports the location through supporting cone and annular support boss realization to annular bar sieve.

Further inject, be equipped with on the support and extend to near lower floor's annular rod bar sieve bottom and with the unanimous undersize thing passageway chamber in this annular rod bar sieve screening region, support the bottom of cone and be fixed in on the spring mount pad of support through evenly distributed's multiunit damping spring, support the bottom center part of cone and install vibrating device.

Compared with the prior art, the utility model following beneficial effect has: 1. the screening equipment installation of same area the utility model discloses a possess more screening area and cloth width during the sieve. 2. The utility model discloses little outer big open structure is difficult to the card material in the well screen bar, possess better penetrating sieve rate and the removal rate of material at the sifter, and sealed effect is better simultaneously. 3. The utility model discloses a screen frame structure is light, does not have unnecessary crossbeam structure, greatly reduced the energy consumption of screening equipment. 4. The utility model discloses have more succinct sieve structure simultaneously, the material is crossed the net fast, and required vibration energy is little, and the impact load that the installation basis received is less, and the direct impact of material and grating reduces, and the life of grating is showing and is improving.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a schematic structural view of the screen body of the present invention;

fig. 5 is a schematic structural view of the middle ring-shaped bar sieve plate of the present invention.

In the figure: 1-a screen box, 2-a screen body, 3-a support, 4-a damping spring, 5-a vibration device, 6-a screen underflow channel cavity, 7-a screen overflow channel cavity, 8-a support cone, 9-a distributor, 10-an annular bar screen plate, 11-a feed inlet, 12-an annular screen bar mounting base and 13-a screen bar.

Detailed Description

Detailed description of the drawings the technical solution of the present invention, as shown in fig. 1-3, a conical probability sieve, including sieve box 1, set up in sieve frame 2 inside sieve box 1 and set up in the support 3 of sieve box 1 bottom, wherein sieve frame 2 is by supporting cone 8, set up in the tripper 9 at supporting cone 8 top and the annular stick sieve 10 that the cover was located on supporting cone 8 constitutes, supporting cone 8's bottom is fixed in on support 3 through damping spring 4, supporting cone 8's downside mid-mounting has vibrating device 5, be equipped with undersize thing passageway chamber 6 and oversize thing passageway chamber 7 on the support 3, sieve box 1's upper portion is equipped with feed inlet 11 relative with tripper 9 and this sieve box 1's bottom is sealed to be fixed in on oversize thing passageway chamber 7.

Support on the cone 8 by last multilayer annular stick sieve 10 that the sieve mesh diminishes gradually of being equipped with in proper order under to, this annular stick sieve 10 includes annular sieve strip mounting base 12 and follows the grating 13 of circumferencial direction equipartition on annular sieve strip mounting base 12 excircle.

Annular grating mounting base 12 is the rectangle body structure that the slope set up, has the grating spliced eye that a plurality of slopes set up along the circumferencial direction equipartition on this curb plate that rectangle body structure is relative, and in the grating spliced eye that grating 13 was pegged graft and is fixed in annular grating mounting base 12 and the grating 13 set up to the homonymy slope, the opening gap between adjacent grating 13 presents the structure of big-end-up.

The equidirectional inclination angle of the screen bars 13 of the utility model is 0-70 degrees.

Annular stick sieve 10 establishes through annular sifter mounting base 12 cover and installs on supporting cone 8, is equipped with the annular support boss that is used for supporting this annular stick sieve 10 on the support cone 8 of annular sifter mounting base 12 lower part, and this annular stick sieve 10 sets up on annular support boss, supports the support location that the boss realized annular stick sieve 10 through supporting cone 8 and annular.

Be equipped with on support 3 and extend to neighbouring lower floor's annular stick sieve 10 bottom and with the regional unanimous undersize thing access chamber 6 of screening of this annular stick sieve 10, support on the bottom of cone 8 is fixed in support 3's spring mount pad through evenly distributed's multiunit damping spring 4, damping spring 4's figure can carry out the selectivity according to the big small and big specification difference of screening equipment and evenly set up, supports the bottom center part of cone 8 and installs vibrating device 5.

The utility model discloses well glassware is located the top of supporting the cone, and its function is on will needing the even distribution of material of screening to annular stick sieve, and annular stick sieve successive layer is placed on supporting the centrum, installs vibrating device in the lower part of supporting the centrum, and its function is the flow and the screening of promotion material on the sifter of annular stick sieve. The bottom of the supporting cone body is connected with the support through a damping spring, and the damping spring is used for reducing the impact on the support when the screen body vibrates. The support is provided with an oversize material channel cavity and an undersize material channel cavity, and the oversize material channel cavity and the undersize material channel cavity respectively convey oversize materials and undersize materials of the annular bar sieve plate. The screening area of the annular bar screen plate consists of bars, the bars and the horizontal plane form an included angle of 0-70 degrees on the same side, and openings among the bars are in a wedge-shaped structure from inside to outside, so that the arrangement is favorable for material flow and screen penetration on the screen surface of the annular bar screen plate. Because the wedge-shaped openings between the bars on the upper layer and the bars on the lower layer of the annular bar screen plate are gradually reduced, the arrangement enables small granular materials needing to be classified to quickly pass through the annular bar screen plate on the lower layer for screening. A material lining with a certain thickness is formed between each layer of the annular bar sieve plate and the support cone body, and the lining can reduce the wear speed of the support cone body and prolong the service life of the support cone body.

The utility model discloses compare with traditional sieve machine, under the same area circumstances, this circular cone probability sieve possess bigger cloth width, more excellent sieve effect that passes through, tighter sealed effect, lighter the quality of shaking of participating in, lower power demand, littleer installation basic impact load, more succinct sieve structure, the life of sieve is longer.

The foregoing shows and describes the general principles of the present invention, with its principal features and advantages, and further, various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a circular cone probability sieve, its characterized in that is including the sieve case, set up in the screen frame of sieve incasement portion and set up in the support of sieve bottom of the case portion, wherein the screen frame is by supporting the cone, set up and locate the annular stick sieve on supporting the cone in the tripper at support cone top and cover and constitute, the bottom of supporting the cone is fixed in on the support through damping spring, the downside mid-mounting of support cone has vibrating device, be equipped with undersize thing passageway chamber and oversize thing passageway chamber on the support, the upper portion of sieve case is equipped with the feed inlet relative with the tripper and the bottom of this sieve case is sealed to be fixed in on the oversize thing passageway chamber.

2. The conical probability screen of claim 1, wherein: the support cone is last by last to being equipped with the annular stick sieve of multilayer that the sieve mesh diminishes gradually down in proper order, this annular stick sieve includes annular sieve strip mounting base and follows the grating of circumferencial direction equipartition on annular sieve strip mounting base excircle.

3. The conical probability screen of claim 2, wherein: the annular sieve strip mounting base is provided with a plurality of obliquely arranged sieve strip inserting holes along the circumferential direction, the sieve strips are inserted and fixed in the sieve strip inserting holes of the annular sieve strip mounting base and obliquely arranged towards the same side, and the opening gaps between the adjacent sieve strips are of a structure with a small inside and a large outside.

4. The conical probability screen of claim 2 or 3, wherein: the same-direction inclination angle of the screen bars is 0-70 degrees.

5. The conical probability screen of claim 1, wherein: the annular bar sieve plate is sleeved with the annular bar mounting base and mounted on the supporting cone, an annular supporting boss used for supporting the annular bar sieve plate is arranged on the supporting cone at the lower part of the annular bar mounting base, the annular bar sieve plate is arranged on the annular supporting boss, and the supporting and positioning of the annular bar sieve plate are realized through the supporting cone and the annular supporting boss.

6. The conical probability screen of claim 1, wherein: the support is provided with an undersize material channel cavity which extends to the bottom of the adjacent lower-layer annular bar screen plate and is consistent with the screening area of the annular bar screen plate, the bottom of the support cone is fixed on a spring mounting seat of the support through a plurality of groups of damping springs which are uniformly distributed, and the center of the bottom of the support cone is provided with a vibrating device.