CN214183981U

CN214183981U - Prevent stifled formula admixture sieving mechanism

Info

Publication number: CN214183981U
Application number: CN202022739336.3U
Authority: CN
Inventors: 李晓琦; 牟忠江
Original assignee: Jiangsu Jinmutu Technology Co ltd
Current assignee: Jiangsu Jinmutu Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-09-14
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses an anti-blocking admixture screening device, which comprises a fixed frame and a collecting hopper arranged at the lower end of the fixed frame and used for guiding materials to fall, wherein the lower end of the collecting hopper is provided with a discharge port for discharging materials, a plurality of support legs are distributed at the bottom of the collecting hopper outside the discharge port in an array manner, the lower end of each support leg is provided with a support block, the upper port of the fixed frame is rotationally provided with a rotating frame, the rotating frame is connected with a rotary driving piece for driving the rotating frame to rotate, the inner side of the rotating frame is provided with a positioning ring, the inner side of the positioning ring is provided with a filter screen plate for filtering, the filter screen plate is a funnel-shaped structure with a lower middle part and a higher periphery, the utility model is designed aiming at the defects of the prior device, the screening effect of the device is effectively improved by arranging an inclined plane structure to match with the centrifugal force to enable the materials to slide on the filter screen and then matching with the screening mode of up-and-down jolt vibration, the practicability is strong.

Description

Prevent stifled formula admixture sieving mechanism

Technical Field

The utility model relates to a concrete research technical field specifically is an anti-blocking admixture sieving mechanism.

Background

The concrete admixture is prepared through mixing concrete with natural or artificial powdered mineral matter to improve the performance of concrete and save water. Admixtures can be divided into active admixtures and inactive admixtures. The active mineral admixture does not harden or has slow hardening speed, but can be mixed with calcareous materials such as lime, slaked lime and the like by adding water, and then can be coagulated and hardened to generate strength, or react with calcium hydroxide generated by cement hydration to generate hydration products with gelling capacity, such as fly ash, granulated blast furnace slag powder, zeolite powder, silica fume and the like.

Need filter it when using the admixture to guarantee its particle size, current sieving mechanism produces the problem of jam when screening easily, to this problem, provides an anti-blocking formula admixture sieving mechanism now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-blocking admixture sieving mechanism to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an anti-blocking admixture screening device comprises a fixing frame and a collecting hopper arranged at the lower end of the fixing frame and used for guiding materials to fall, wherein a discharge port for discharging the materials is arranged at the lower end of the collecting hopper, a plurality of supporting legs are distributed at the bottom of the collecting hopper outside the discharge port in an array manner, a supporting block is arranged at the lower end of each supporting leg, a rotating frame is rotatably arranged at an upper end opening of the fixing frame and connected with a rotary driving piece for driving the rotating frame to rotate, a positioning ring is arranged at the inner side of the rotating frame, a filtering screen plate for filtering is arranged at the inner side of the positioning ring, the filtering screen plate is of a funnel-shaped structure with a lower middle part and a higher periphery, the positioning ring is connected with the rotating frame through a plurality of buffer parts, a supporting ring is arranged at the inner side of, one side of the upper end of the fixing frame is rotated with a sealing cover, and the arrangement of the sealing cover avoids dust pollution caused in the screening process.

As a further aspect of the present invention: the bolster is including setting up the vibrating mass in the holding ring outside, and every vibrating mass outside all is equipped with one and is longitudinal arrangement's spout, sliding fit has a lift slider in the spout, and the lift slider outer end is fixed with rotatory frame inner wall connection, the cooperation is equipped with a guide bar in the perforation from top to bottom of lift slider, it is fixed to be connected through second reset spring between lift slider and the spout inner wall, the vibrating mass lower extreme is equipped with a fixed axle, rotates on the fixed axle to be equipped with one with the corresponding gyro wheel of lug.

As a further aspect of the present invention: the surface of the filter screen plate is distributed with a plurality of reinforcing ribs in an array mode, and the reinforcing ribs are arranged along the diameter direction of the filter screen plate.

As a further aspect of the present invention: the rotary driving part comprises a driven gear ring arranged on the outer side of the upper end of the rotary frame and a driving motor arranged on the upper end of the fixed frame, and the output end of the driving motor is provided with a driving gear meshed with the driven gear ring.

As a further aspect of the present invention: the driving motor is a servo motor so as to control the rotating speed.

As a further aspect of the present invention: it is equipped with the opening to cross filter plate intermediate position, and the opening part cooperation is equipped with a shrouding, the shrouding upper end is equipped with one and is used for the toper piece with the material to guide all around, shrouding lower extreme array distribution has a plurality of guide bar, the guide bar slides and passes the perforation on the fixed block, it is fixed through first reset spring connection between shrouding and the fixed block, the fixed block outside is connected fixedly with filter plate bottom, and a telescopic link is installed at the top in the closing cap of toper piece top, the output of telescopic link is equipped with and is used for supporting the extrusion piece that presses the toper piece so that the shrouding lets the opening.

As a further aspect of the present invention: the extrusion block is rotatably connected with the output end of the telescopic rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses drawback to current device designs, makes the material slide on the filter screen through setting to inclined plane structure cooperation centrifugal force, and the effectual screening effect that improves the device is strong in the screening mode of jolting vibration about deuterogamying.

Drawings

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

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

Fig. 3 is a partial enlarged view of the structure of the present invention.

Wherein: the device comprises a fixed frame 11, a collecting hopper 12, supporting legs 13, supporting blocks 14, a discharge port 15, a first return spring 16, a guide rod 17, a fixed block 18, a sealing plate 19, a conical block 20, an extrusion block 21, an expansion rod 22, a sealing cover 23, a driven toothed ring 24, a driving gear 25, a rotating frame 26, a second return spring 27, a lifting slide block 28, a sliding groove 29, a vibrating block 30, a filter screen plate 31, a bump 32 and a roller 33.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, an anti-blocking admixture screening apparatus includes a fixed frame 11 and a collecting hopper 12 disposed at a lower end thereof for guiding a material to fall, a discharge port 15 for discharging the material is disposed at the lower end of the collecting hopper 12, a plurality of supporting legs 13 are distributed in an array manner at a bottom of the collecting hopper 12 outside the discharge port 15, a supporting block 14 is disposed at a lower end of each supporting leg 13, a rotating frame 26 is rotatably disposed at an upper port of the fixed frame 11, the rotating frame 26 is connected to a rotary driving member for driving the rotating frame 26 to rotate, a positioning ring is disposed at an inner side of the rotating frame 26, a filter screen plate 31 for filtering is disposed at an inner side of the positioning ring, the filter screen plate 31 is a funnel-shaped structure having a lower middle and a higher periphery, the positioning ring is connected to the rotating frame 26, a plurality of bumps 32 for abutting against the buffer part to enable the positioning ring to vibrate are distributed on each supporting ring in an array manner, a sealing cover 23 is rotated on one side of the upper end of the fixing frame 11, and the arrangement of the sealing cover 23 avoids dust pollution caused in the screening process;

the buffer part comprises a vibrating block 30 arranged outside a positioning ring, a sliding groove 29 which is longitudinally arranged is arranged outside each vibrating block 30, a lifting slide block 28 is arranged in the sliding groove 29 in a sliding fit mode, the outer end of the lifting slide block 28 is connected and fixed with the inner wall of a rotating frame 26, a guide rod is arranged in an upper through hole and a lower through hole of the lifting slide block 28 in a matching mode, the lifting slide block 28 is connected and fixed with the inner wall of the sliding groove 29 through a second reset spring 27, a fixed shaft is arranged at the lower end of the vibrating block 30, a roller 33 corresponding to a lug 32 is arranged on the fixed shaft in a rotating mode, when the vibrating block 30 rotates along with the rotating frame 26, the roller 33 bounces upwards when the roller 33 rolls to the position of the lug 32, so that the whole filter screen plate 31 moves upwards, and then the second reset spring 27 is matched, and the filter screen plate 31 can reciprocate upwards and downwards when rotating, the screening effect is effectively improved, and the problem of blockage is avoided;

a plurality of reinforcing ribs are distributed on the surface of the filter screen plate 31 in an array mode, and the reinforcing ribs are arranged along the diameter direction of the filter screen plate 31;

when the filter screen plate 31 rotates, the material on the surface slides outwards under the action of centrifugal force, so that the material mixing effect is further improved, and the screening is facilitated;

rotatory driving piece is including setting up the driven ring gear 24 in rotatory frame 26 upper end outside and setting up the driving motor in fixed frame 11 upper end, driving motor's output is equipped with the drive gear 25 with driven ring gear 24 intermeshing, drives drive gear 25 through driving motor and rotates, and drive gear 25 drives driven ring gear 24 and rotates to rotate for rotatory frame 26 rotates and provides drive power.

In order to discharge impurities in the filter screen plate 31 in the later stage conveniently, an opening is formed in the middle of the filter screen plate 31, a sealing plate 19 is arranged at the opening in a matched mode, a conical block 20 used for guiding materials to the periphery is arranged at the upper end of the sealing plate 19, a plurality of guide rods 17 are distributed at the lower end of the sealing plate 19 in an array mode, the guide rods 17 penetrate through holes in the fixing block 18 in a sliding mode, the sealing plate 19 and the fixing block 18 are fixedly connected through a first reset spring 16, the outer side of the fixing block 18 is fixedly connected with the bottom of the filter screen plate 31, a telescopic rod 22 is installed at the inner top of a sealing cover 23 above the conical block 20, and an extrusion block 21 used for pressing the conical block 20 to enable the sealing;

after the screening finishes, drive extrusion piece 21 downstream through telescopic link 22, extrusion piece 21 can support downwards and press toper piece 20 to make shrouding 19 and the separation of filtering the otter board 31, thereby the material can the opening part discharge like this, thereby accomplish and unload, extrusion piece 21 is connected for rotating with telescopic link 22's output, just so can eliminate and filter the interference problem that otter board 31 rotated the production.

The utility model discloses a theory of operation is: during the in-service use, put into filter plate 31 through the admixture that will wait to sieve, then close closing cap 23, drive rotatory frame 26 through rotatory driving piece and rotate, under the cooperation of bolster and lug 32, filter plate 31 can be continuous jolts from top to bottom to accomplish the quick screening to the admixture, the back is accomplished in the screening, drive extrusion piece 21 downstream through telescopic link 22, extrusion piece 21 supports and presses toper piece 20 and make shrouding 19 and filter plate 31 separation, large granule impurity then can discharge smoothly like this.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An anti-blocking admixture screening device comprises a fixing frame (11) and an aggregate bin (12) arranged at the lower end of the fixing frame and used for guiding materials to fall, wherein a discharge hole (15) used for discharging is formed in the lower end of the aggregate bin (12), a plurality of supporting legs (13) are distributed at the bottom of the aggregate bin (12) on the outer side of the discharge hole (15) in an array mode, and a supporting block (14) is arranged at the lower end of each supporting leg (13);

the device is characterized in that a rotating frame (26) is rotatably arranged at an upper port of the fixed frame (11), the rotating frame (26) is connected with a rotating driving piece for driving the rotating frame to rotate, a positioning ring is arranged on the inner side of the rotating frame (26), a filtering screen plate (31) for filtering is arranged on the inner side of the positioning ring, and the filtering screen plate (31) is of a funnel-shaped structure with a low middle part and high periphery;

the locating ring is connected with the rotating frame (26) through a plurality of buffering parts, a supporting ring is arranged on the inner side of the fixing frame (11) below the rotating frame (26), a plurality of buffering parts are arranged on each supporting ring in an array mode and used for abutting against the buffering parts to enable the locating ring to vibrate, a sealing cover (23) is rotated on one side of the upper end of the fixing frame (11), and dust pollution caused in the screening process is avoided due to the arrangement of the sealing cover (23).

2. The anti-blocking admixture screening device according to claim 1, wherein the buffer member comprises vibrating blocks (30) arranged outside the positioning ring, each vibrating block (30) is provided with a sliding groove (29) arranged longitudinally, the sliding groove (29) is provided with a lifting slider (28) in a sliding fit manner, the outer end of the lifting slider (28) is fixedly connected with the inner wall of the rotating frame (26), the lifting slider (28) is provided with a guide rod in a vertical through hole in a matching manner, the lifting slider (28) is fixedly connected with the inner wall of the sliding groove (29) through a second return spring (27), the lower end of the vibrating block (30) is provided with a fixed shaft, and a roller (33) corresponding to the convex block (32) is rotatably arranged on the fixed shaft.

3. The anti-blocking admixture screening device according to claim 1, wherein a plurality of reinforcing ribs are distributed on the surface of the filter screen plate (31) in an array manner, and the reinforcing ribs are arranged along the diameter direction of the filter screen plate (31).

4. The anti-clogging admixture screening apparatus as defined in claim 1, wherein said rotary driving member comprises a driven ring gear (24) provided outside the upper end of the rotary frame (26) and a driving motor provided at the upper end of the fixed frame (11), the output end of said driving motor being provided with a driving gear (25) which is engaged with the driven ring gear (24).

5. The anti-clogging admixture screening device according to claim 4, wherein the driving motor is a servo motor.

6. The anti-blocking admixture screening device according to claim 1, wherein an opening is arranged in the middle of the filter screen plate (31), a closing plate (19) is arranged at the opening in a matching way, the upper end of the sealing plate (19) is provided with a conical block (20) for guiding the materials to the periphery, a plurality of guide rods (17) are distributed at the lower end of the sealing plate (19) in an array manner, the guide rods (17) penetrate through the through holes on the fixing block (18) in a sliding manner, the sealing plate (19) and the fixing block (18) are fixedly connected through a first return spring (16), the outer side of the fixed block (18) is fixedly connected with the bottom of the filter screen plate (31), a telescopic rod (22) is arranged at the top in the sealing cover (23) above the conical block (20), the output end of the telescopic rod (22) is provided with an extrusion block (21) which is used for pressing the conical block (20) so that the sealing plate (19) leaves the opening.

7. The anti-blocking admixture screening device according to claim 6, wherein the extrusion block (21) is rotatably connected with the output end of the telescopic rod (22).