CN218835190U

CN218835190U - Expanded perlite granule screening plant

Info

Publication number: CN218835190U
Application number: CN202223215486.XU
Authority: CN
Inventors: 黄冠锦; 黄诗安; 谭永丽; 谭永贵
Original assignee: Xinyang Pingqiao Sitong Thermal Insulation Material Co ltd
Current assignee: Xinyang Pingqiao Sitong Thermal Insulation Material Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-04-11
Anticipated expiration: 2032-12-02

Abstract

The utility model relates to the technical field of particle screening, in particular to an expanded perlite particle screening device, which comprises a box body, wherein the tops of two side walls of the box body are respectively provided with a feed inlet, a breaking mechanism, a first screening mechanism and a second screening mechanism are sequentially arranged in the box body from top to bottom, the breaking mechanism comprises a breaking shaft and a breaking rod, a rotating shaft is rotatably arranged in the box body, a driving gear is fixed at the upper end of the rotating shaft, a driven gear is respectively arranged on each breaking shaft, the top of the box body is provided with a driving motor, and the output shaft of the driving motor is coaxially arranged with the rotating shaft; the first screening mechanism comprises a screen frame; the lower part of the rotating shaft is provided with external threads, the external threads are matched with sliding blocks in a threaded manner, the second screening mechanism comprises screening plates hinged to two ends of each sliding block respectively, movable holes are formed in the lower parts of two side walls of the box body respectively, the outer ends of the screening plates extend out of the movable holes respectively, and a discharge port is formed in the bottom of the box body. The utility model has the advantages of screening efficiency is high, effectual, the clearance of being convenient for.

Description

Expanded perlite granule screening plant

Technical Field

The utility model relates to an expanded perlite granule screening plant technical field, especially an expanded perlite granule screening plant.

Background

Expanded perlite is a natural acidic vitreous volcanic lava non-metallic mineral product, which can be classified into perlite, pitchstone, and obsidian according to the content of crystal water, and has a good heat-insulating effect, so expanded perlite is widely used in building heat-insulating materials. The existing perlite screening device needs to screen perlite for multiple stages by using screens with different meshes for multiple times when screening perlite in a grading way, the screening and grading efficiency is low, and the screens are easy to block during screening due to irregular appearance of perlite, so that the screening process is influenced; and large-particle perlite which cannot be screened down on the screen mesh is inconvenient to clean and take out during screening.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses specifically adopt following technical scheme.

The design is an expanded perlite particle screening device, which comprises a box body, wherein feed inlets are respectively arranged at the tops of two side walls of the box body, a scattering mechanism, a first screening mechanism and a second screening mechanism are sequentially arranged in the box body from top to bottom, the scattering mechanism comprises two scattering shafts which are vertically and rotatably arranged at the top of the box body and a plurality of scattering rods which are uniformly distributed on the scattering shafts, a rotating shaft which extends to the lower part of the second screening mechanism is rotatably arranged at the top in the box body, a driving gear is fixed at the upper end of the rotating shaft, a driven gear which is meshed with the driving gear is respectively arranged on each scattering shaft, a driving motor is arranged at the top of the box body, and an output shaft of the driving motor is coaxially arranged with the rotating shaft;

the first screening mechanism comprises a screen frame, a sliding sleeve is arranged in the center of the screen frame, and the rotating shaft penetrates through the sliding sleeve;

the lower part of the rotating shaft is provided with external threads, the external threads are matched with sliding blocks in a threaded manner, the second screening mechanism comprises screening plates hinged to two ends of each sliding block, movable holes are formed in the lower parts of two side walls of the box body respectively, the outer ends of the screening plates extend out of the movable holes respectively, and a discharge hole is formed in the bottom of the box body.

Preferably, the front inner wall and the rear inner wall in the movable hole are respectively provided with a guide rod, the front side surface and the rear side surface of the outer end of the sieve plate are respectively provided with a guide groove matched with the guide rod, and one end of the guide rod is positioned in the guide groove so that the sieve plate can move along the guide rod.

Preferably, the bottom of the rotating shaft is provided with a limiting block.

Preferably, the two ends of the screen frame are respectively connected with connecting blocks, sliding grooves are formed in the inner walls of the two sides of the box body respectively, sliding rods are arranged in the sliding grooves, compression springs are sleeved between the bottoms of the connecting blocks on the sliding rods and the bottoms in the sliding grooves, rotating rods are rotatably arranged at the two ends of the bottom of the screen frame in the box body respectively, eccentric wheels are arranged on the rotating rods, and one ends of the rotating rods extend out of the box body and are in transmission connection.

Preferably, a material guide plate is arranged at the position, located at the discharge port, of the bottom of the box body.

Preferably, an observation window is arranged on the side wall of the box body.

The beneficial effects of the utility model reside in that:

the utility model discloses a setting up two-stage screening, can improving the screening effect, can break up the material of conglomeration earlier through setting up the mechanism of breaing up above first screening mechanism and then sieve to guarantee the efficiency of screening, and break up epaxial bottom breaking up the pole and cooperate with the eccentric wheel each other, can break up the large granule material of gathering on the screen cloth frame, prevent to pile up and be difficult to clear up on the screen cloth frame; and moreover, when the rotating shaft drives the scattering mechanism to work through the meshing of the driving gear and the driven gear, the sliding block below the rotating shaft drives the inner end of the sieve plate to move upwards along with the external threads on the rotating shaft, so that the sieve plate forms an inclined plane with a high inner part and a low outer part, and large granular materials which cannot be sieved on the sieve plate can flow out and collected from the movable holes along the inclined plane.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

the reference numbers in the figures are: the automatic feeding device comprises a box body 1, a feeding hole 2, an observation window 3, a driving motor 4, a sieve plate 5, a discharging hole 6, a driven gear 7, a driving gear 8, a breaking shaft 9, a breaking rod 10, a sliding rod 11, a connecting block 12, a compression spring 13, an eccentric wheel 14, a movable hole 15, a material guide plate 16, a limiting block 17, a sliding block 18, a sliding groove 19, a rotating rod 20, a guide groove 21, a guide rod 22, a sliding sleeve 23, a rotating shaft 24 and a sieve frame 25.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Example 1

An expanded perlite particle screening device is shown in figures 1 to 3 and comprises a box body 1, wherein feed inlets 2 are respectively arranged at the tops of two side walls of the box body 1, a scattering mechanism, a first screening mechanism and a second screening mechanism are sequentially arranged in the box body 1 from top to bottom, the scattering mechanism comprises two scattering shafts 9 which are vertically and rotatably arranged at the top of the box body 1 and a plurality of scattering rods 10 which are uniformly distributed on the scattering shafts 9, the scattering rods 9 at the lowest part are arranged close to a screen frame 25, when large particle materials are gathered in the screen frame 25, the scattering rods 9 at the bottom can scatter the large particle materials to prevent accumulation, more materials can pass through the screen frame 25 at the same time, and screening efficiency is improved; a rotating shaft 24 extending to the lower part of the second screening mechanism is rotatably arranged at the top in the box body 1, a driving gear 8 is fixed at the upper end of the rotating shaft 24, a driven gear 7 meshed with the driving gear 8 is respectively arranged on each scattering shaft 9, a driving motor 4 is arranged at the top of the box body 1, and an output shaft of the driving motor 4 is coaxially arranged with the rotating shaft 24; the driving motor 4 is started to drive the rotating shaft 24 to rotate, the driving gear 8 is meshed with the driven gear 7 to drive the scattering shaft 9 to rotate, so that the scattering rod 10 on the scattering shaft 9 rotates to scatter the agglomerated materials, and the subsequent screening effect is improved.

The first screening mechanism comprises a screen frame 25, a sliding sleeve 23 is arranged at the center of the screen frame 25, and a rotating shaft 24 penetrates through the sliding sleeve 23; the sliding sleeve 23 is enabled not to influence the rotation of the rotating shaft 24, the screen frame 25 can swing up and down, the two ends of the screen frame 25 are respectively connected with the connecting blocks 12, the inner walls of the two sides of the box body 1 are respectively provided with the sliding grooves 19, the sliding rods 11 are arranged in the sliding grooves 19, the compression springs 13 are sleeved between the bottoms of the connecting blocks 12 and the bottoms of the sliding grooves 19 on the sliding rods 11, the two ends of the bottom of the screen frame 25 in the box body 1 are respectively rotatably provided with the rotating rods 20, the rotating rods 20 are provided with the eccentric wheels 14, one ends of the rotating rods 20 extend out of the box body 1 and are in transmission connection, a motor (not shown in the figure) can be connected onto one rotating rod 20, then the rotating connection of the two rotating rods 20 is realized by utilizing belt wheels and belts, so that the eccentric wheels 14 are driven to impact the bottom of the screen frame 25, and meshes of the screen frame 25 are prevented from being blocked.

The external threads are arranged below the rotating shaft 24, the sliding blocks 18 are in threaded fit with the external threads, the second screening mechanism comprises the screen plates 5 which are respectively hinged to two ends of each sliding block 18, the movable holes 15 are respectively formed in the lower portions of two side walls of the box body 1, the outer ends of the screen plates 5 respectively extend out of the movable holes 15, and the discharge hole 6 is formed in the bottom of the box body 1. The slide block 18 can drive the inner end of the sieve plate 5 to move upwards along the external thread below the rotating shaft 24, so that the sieve plate 5 generates an inclined plane, namely the outer end of the sieve plate 5 is lower than the inner end, and large particles which are not screened and arranged above the sieve plate 5 can flow out from the movable hole 15 along the inclined plane. In order to limit the movement of the slider 18, a stopper 17 is provided at the bottom of the rotating shaft 24. The front and rear inner walls in the movable hole 15 are respectively provided with a guide bar 22, the front and rear two side surfaces of the outer end of the sieve plate 5 are respectively provided with a guide groove 21 matched with the guide bar 22, and one end of the guide bar 22 is positioned in the guide groove 21, so that the sieve plate 5 can move along the guide bar 22. The guide bars 22 and the guide slots 21 are arranged to facilitate guiding of the outer ends of the screening deck 5 when moving.

A material guide plate 16 is arranged at the position of the discharge port 6 at the bottom of the box body 1, so that the material can be discharged conveniently.

An observation window 3 is arranged on the side wall of the box body 1. The box body 1 can be observed conveniently.

The utility model discloses a working method does: when the screen plate is used for screening, materials are sent into the box body 1 from the two feed ports 2, the driving motor 4 is started, the rotating shaft 24 drives the breaking shaft 9 and the breaking rod 10 to rotate, the falling materials are broken up and then fall onto the screen frame 25, then the eccentric wheel 14 is controlled to rotate, the screen frame 25 shakes up and down along the sliding rod 11 under the action of the compression spring 13, the materials on the screen frame 25 are screened, the screen frame 25 is prevented from being blocked by the irregularly-shaped perlite, when the large-particle materials are gathered on the screen frame 25, the breaking rod 10 at the bottom of the breaking shaft 9 is matched with the eccentric wheel 14, the large-particle materials on the screen frame 25 are vibrated upwards, the breaking rod 10 close to the screen frame 25 breaks up the large-particle materials, so that more materials can pass through, the materials after being screened at one level pass through the screen plate 5 and then fall into the rotating shaft 24, the inner end of the screen plate 5 moves upwards along the external threads of the rotating shaft 24 through the sliding block 18, the large-particle materials which are not screened on the screen plate 5 flow out along the inclined plane of the screen plate 5, and flow out from the movable hole 15, and the screened large-particle collection and flow out from the discharge hole 6 which meets the requirement of the perlite collection and flows out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalent substitutions may be made in some of the features of the embodiments; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an expanded perlite granule screening plant, includes box (1), its characterized in that the both sides wall top of box (1) is equipped with feed inlet (2) respectively box (1) interior from the top down is equipped with in proper order and breaks up mechanism, first screening mechanism, second screening mechanism, break up the mechanism and include that vertical rotation establishes two at box (1) top and breaks up axle (9) and evenly distributed a plurality of pole (10) that break up on breaking up axle (9), top rotation in box (1) is equipped with a pivot (24) that extend to second screening mechanism below, be fixed with driving gear (8) in the upper end of pivot (24), be equipped with driven gear (7) with driving gear (8) meshing respectively on every axle (9) that breaks up, be equipped with driving motor (4) at the top of box (1), the coaxial setting of driving motor (4) with pivot (24) output shaft;

the first screening mechanism comprises a screen frame (25), a sliding sleeve (23) is arranged in the center of the screen frame (25), and the rotating shaft (24) penetrates through the sliding sleeve (23);

the lower part of pivot (24) is equipped with the external screw thread screw-thread fit has slider (18) on the external screw thread, second screening mechanism is including articulating sieve (5) at slider (18) both ends respectively movable hole (15) have been seted up respectively to the below of box (1) both sides wall, movable hole (15) have been extended respectively to the outer end of sieve (5) the discharge gate (6) have been seted up to the bottom of box (1).

2. The expanded perlite particle screening device of claim 1, wherein: the movable screen plate is characterized in that guide rods (22) are respectively arranged on the front inner wall and the rear inner wall in the movable hole (15), guide grooves (21) matched with the guide rods (22) are respectively formed in the front side face and the rear side face of the outer end of the screen plate (5), and one end of each guide rod (22) is located in each guide groove (21) so that the screen plate (5) can move along the corresponding guide rod (22).

3. The expanded perlite particle screening device of claim 2, wherein: the bottom of the rotating shaft (24) is provided with a limiting block (17).

4. The expanded perlite particle screening device of claim 1 or 3, wherein: the two ends of the screen frame (25) are respectively connected with a connecting block (12), sliding grooves (19) are respectively formed in the inner walls of the two sides of the box body (1), sliding rods (11) are arranged in the sliding grooves (19), compression springs (13) are sleeved between the bottoms of the connecting blocks (12) and the bottoms of the sliding grooves (19) on the sliding rods (11), rotating rods (20) are respectively arranged at the two ends of the bottom of the screen frame (25) in the box body (1) in a rotating mode, eccentric wheels (14) are arranged on the rotating rods (20), and one ends of the rotating rods (20) extend out of the back of the box body (1) and are connected in a transmission mode.

5. The expanded perlite particle screening device of claim 4, wherein: a material guide plate (16) is arranged at the position of the discharge hole (6) at the bottom of the box body (1).

6. The expanded perlite particle screening device of claim 1, wherein: an observation window (3) is arranged on the side wall of the box body (1).