CN111229600A

CN111229600A - Board comb sieve plate for vibrating sieve and vibrating sieve

Info

Publication number: CN111229600A
Application number: CN202010126077.9A
Authority: CN
Inventors: 付文军; 曲永富
Original assignee: Liaoning Weite Machinery Equipment Manufacturing Co ltd
Current assignee: Liaoning Weite Machinery Equipment Manufacturing Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-06-05
Anticipated expiration: 2040-02-27
Also published as: CN111229600B

Abstract

The invention relates to the technical field of vibrating screen plates, and particularly provides a plate grate screen plate for a vibrating screen and the vibrating screen, which comprise two side plates and a plurality of plate grate screen units arranged between the two side plates, wherein each plate grate screen unit comprises a plate grate bar serial assembly and a plurality of plate grate bars, each plate grate bar serial assembly comprises a shaft, a distance piece, a C-shaped groove and a bolt, one end of each plate grate bar is drilled, the plate grate bars and the distance pieces are connected in series on the shafts in a manner of being separated by the distance pieces between the two plate grate bars, and are integrally arranged in the C-shaped groove, the opening width of the C-shaped groove is larger than the width of the plate grate bars, the bolts are arranged on the C-shaped grooves below the distance pieces, the upper ends of the bolts are propped against the distance pieces, the two ends of the C-shaped groove and the shaft are both fixed on the two. The vibrating screen solves the problems of low screening precision, short service life and difficulty in material cleaning of the existing vibrating screen.

Description

Board comb sieve plate for vibrating sieve and vibrating sieve

Technical Field

The invention relates to the technical field of vibrating screen plates, and particularly provides a plate grate screen plate for a vibrating screen and the vibrating screen.

Background

The grate bars used by the grate bar vibrating screen in the prior art are round bar bars, the screening gap is actually the distance between two lines, and the grate bar vibrating screen is easily worn by materials in the screening process, so that the screening gap is enlarged, the screening precision is low, and the service life is short;

in addition, the grid section used by the existing grid section vibrating screen is fixed, materials with the size being not much as the gap between the grid section and the grid section are easily clamped in the gap, the materials on the screen plate need to be continuously cleaned through a beating device, the noise generated by beating is large, the effect is not obvious, and the working efficiency is low.

Disclosure of Invention

In order to solve the technical problems, the invention provides a plate grate sieve plate for a vibrating sieve and the vibrating sieve, and solves the problems of low sieving precision, short service life and difficulty in material cleaning of the conventional vibrating sieve.

The invention is realized in this way, provide a vibrating screen and use the board grate sieve plate, including two side plates and install multiple board grate sieve units between two side plates, the board grate sieve unit includes the board grate bar and connects in series assemblies and multiple board grate bars, the board grate bar connects in series assemblies and includes the axle, distance piece, C-type groove and bolt, one end of the board grate bar is drilled, board grate bar and distance piece connect in series on the axle with the form that the distance piece separates between two board grate bars, then install in C-type groove integrally, the opening width of C-type groove is greater than the width of the board grate bar, set up the bolt on C-type groove below the distance piece, the upper end of the bolt is supported on the distance piece, both ends of C-type groove and axle are fixed on two side plates, and the opening of C-type groove faces the slope certain angle;

the non-drilled end of the plate grid of the previous plate grid screen unit is movably arranged above the plate grid serial assembly of the next plate grid screen unit.

Furthermore, a backing plate is fixed above the C-shaped groove through screws, and the non-drilled end of the plate grid of the previous plate grid screen unit is movably lapped on the backing plate above the plate grid serial assembly of the next plate grid screen unit.

Furthermore, the device also comprises a positioning plate which is fixed on an opening of the C-shaped groove between the two plate grid bars.

Furthermore, the locating plate is equipped with 3, the equipartition is in on the opening of C type groove.

Further, the bolt is equipped with 3, and the equipartition is in the below in C type groove.

Further, whole board comb sieve slope sets up downwards, the curb plate forms through a plurality of curb plate unit fixed connection, sets up two board comb sieve units between the curb plate unit that every two positions correspond.

Furthermore, the plate grid is rectangular and long, and the size of the plate grid is 4mm by 20mm by 240 mm; the width of the opening of the C-shaped groove is 24mm, and the distance between the two plate grid bars on one plate grid screening unit is 4.6 mm;

further, the plate grid bars are made of NM400 wear-resistant steel plate bars.

Further, the angle of upward inclination of the C-shaped groove is 17 degrees.

The invention also protects the vibrating screen manufactured by the plate grate screen plate for the vibrating screen.

Compared with the prior art, the invention has the advantages that:

1. the screening gap is the distance between the two plate grid bars and the distance between the two surfaces, so that abrasion is not easy to cause, the screening precision is high, and the service life is long;

2. the plate grid section can swing up and down along with vibration, so that materials are not easy to clamp, frequent cleaning of a vibrating screen is not needed, and the cleaning difficulty is reduced;

3. compared with the bar-shaped grate bars, the opening rate of the same area is correspondingly improved by 22 percent, and the screening efficiency is improved.

Drawings

The invention is described in further detail below with reference to the following figures and embodiments:

FIG. 1 is a schematic view of a partial structure of a plate grate screen plate according to the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a right side view of fig. 1.

Fig. 4 is a schematic view of the whole structure of the plate grate plate of the embodiment 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Examples 1,

Referring to fig. 1, 2 and 3, the plate grate sieve plate for the vibrating sieve of the invention comprises two side plates 1 and a plurality of plate grate sieve units arranged between the two side plates 1, wherein each plate grate sieve unit comprises a plate grate bar serial assembly and a plurality of plate grate bars 2, the plate grate bar serial assembly comprises a shaft 3, distance pieces 4, a C-shaped groove 5 and bolts 6, one end of each plate grate bar 2 is drilled, the plate grate bars 2 and the distance pieces 4 are connected in series on the shaft 3 in a manner of separating the two plate grate bars 2 by the distance pieces 4, and then are integrally arranged in the C-shaped groove 5, the opening width of the C-shaped groove 5 is larger than that of each plate grate bar 2, the bolts 6 are arranged on the C-shaped groove 5 below the distance pieces 4, the upper ends of the bolts 6 are propped against the distance pieces 4, the two ends of the C-shaped groove 5 and the shaft 3 are both fixed on the two side plates 1, and the opening surfaces of the C-; the non-drilled end of the plate grid section 2 of the former plate grid screen unit is movably arranged above the plate grid section serial assembly of the latter plate grid screen unit.

In the present embodiment the length of the two side plates 1 is the length of the whole plate grate plate, fig. 1 only shows a part of the plate grate plate, fig. 2 and 3 only show the plate grate bars 2 on both sides. In order to facilitate the forward movement of the materials, the integral sieve plate can be arranged downwards in an inclined mode. When the vibrating screen adopting the screen plate of the embodiment works, along with vibration, the plate grid bars 2 swing up and down in the width range of the notches of the C-shaped grooves 5, materials smaller than the gaps fall from the gaps among the plate grid bars 2, the materials larger than the gaps are left on the gaps to continue to operate, and screening of the materials is achieved.

In order to reduce noise and facilitate the placement of the previous plate grate bar 2, as an improvement of the technical scheme, a backing plate 8 is fixed above the C-shaped groove 5 through a screw 7, and the non-drilled end of the plate grate bar 2 of the previous plate grate unit is movably lapped on the backing plate 8 above the plate grate bar serial assembly of the next plate grate unit.

In order to prevent the opening of the C-shaped groove from being widened under the action of the bolt 6, the improved technical scheme is characterized by further comprising a positioning plate 9, wherein the positioning plate 9 is fixed on the opening of the C-shaped groove 5 between the two plate grids 2.

In order to uniformly limit the openings of the C-shaped grooves, as an improvement of the technical scheme, the number of the positioning plates 9 is 3, and the positioning plates are uniformly distributed on the openings of the C-shaped grooves 5.

In order to uniformly limit the position of the shaft 5 in the C-shaped groove 5, as a technical improvement, the number of the bolts 6 is 3, and the bolts are uniformly distributed below the C-shaped groove 5.

Preferably, the plate grid 2 is rectangular and long, and the size of the plate grid 2 is 4mm by 20mm by 240 mm; the opening width of the C-shaped groove 5 is 24mm, and the distance between the two plate grid bars 2 on one plate grid screening unit is 4.6 mm; the plate grate bars 2 are made of NM400 wear-resistant steel plate bars.

For convenience of arrangement, as a technical improvement, the angle of upward inclination of the C-shaped groove 5 is 17 degrees.

Examples 2,

Different from the embodiment 1, referring to fig. 4, the side plate 1 is formed by fixedly connecting a plurality of side plate units, two plate grate units are arranged between the side plate units corresponding to every two positions, and the whole plate grate plate is arranged obliquely downwards. An advantage of this embodiment is that the length of the grate plate can be flexibly set according to the desired length of the vibrating screen.

Claims

1. The plate grate sieve plate for the vibrating sieve is characterized by comprising two side plates (1) and a plurality of plate grate sieve units arranged between the two side plates (1), wherein each plate grate sieve unit comprises a plate grate serial assembly and a plurality of plate grates (2), each plate grate serial assembly comprises a shaft (3), a distance piece (4), a C-shaped groove (5) and a bolt (6), one end of each plate grate (2) is drilled, the plate grates (2) and the distance pieces (4) are connected in series on the shafts (3) in a mode of being separated by the distance pieces (4) between the two plate grates (2), then the plates are integrally arranged in the C-shaped grooves (5), the opening width of the C-shaped grooves (5) is larger than the width of the plate grate (2), the bolts (6) are arranged on the C-shaped grooves (5) below the distance pieces (4), the upper ends of the bolts (6) are propped against the distance pieces (4), and two ends of the C-shaped grooves (5) and the shafts (3) are fixed on the two side plates (1), the opening surface of the C-shaped groove (5) is inclined upwards by a certain angle;

the non-drilled end of the plate grid section (2) of the previous plate grid screen unit is movably arranged above the plate grid section serial assembly of the next plate grid screen unit.

2. The plate grate screen plate for the vibrating screen according to claim 1, characterized in that a backing plate (8) is fixed above the C-shaped groove (5) by a screw (7), and the non-drilled end of the plate grate bar (2) of the previous plate grate unit movably rests on the backing plate (8) above the plate grate bar series assembly of the next plate grate unit.

3. The plate grate screen plate for the vibrating screen according to claim 1, further comprising a positioning plate (9), wherein the positioning plate (9) is fixed on the opening of the C-shaped groove (5) between the two plate grates (2).

4. The plate grate screen plate of claim 3, characterized in that the positioning plates (9) are provided with 3, which are evenly distributed over the openings of the C-shaped grooves (5).

5. The plate grate screen plate of claim 1, characterized in that 3 bolts (6) are provided, which are uniformly distributed below the C-shaped grooves (5).

6. The plate grate screen plate for a vibrating screen according to claim 1, characterized in that the whole plate grate screen plate is arranged obliquely downwards, said side plate (1) is formed by fixedly connecting a plurality of side plate units, and two plate grate screen units are arranged between every two corresponding side plate units.

7. The plate grate screen plate for a vibrating screen according to claim 1, characterized in that the plate grate bars (2) are rectangular elongated, the size of the plate grate bars (2) being 4mm by 20mm by 240 mm; the width of the opening of the C-shaped groove (5) is 24mm, and the distance between the two plate grid bars (2) on one plate grid screen unit is 4.6 mm.

8. The plate grate plate of claim 1, wherein the plate grate bars (2) are made of NM400 abrasion-resistant steel plate bars.

9. A grate plate for a vibrating screen according to claim 1, characterized in that the angle of the upward inclination of the C-shaped grooves (5) is 17 °.

10. A vibrating screen made using the plate grate plate of any of claims 1, 2, 3, 4, 5, 6, 7, 8 or 9.