CN215141845U

CN215141845U - A raw materials sieving mechanism for concrete production

Info

Publication number: CN215141845U
Application number: CN202120082506.7U
Authority: CN
Inventors: 杨建福
Original assignee: Laian Huacui New Building Materials Co ltd
Current assignee: Laian Huacui New Building Materials Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-12-14
Anticipated expiration: 2031-01-13

Abstract

The utility model provides a raw material screening device for concrete production; the novel screen drum comprises a shell, a left screen drum is arranged inside the shell, one outer wall of one side of the left screen drum is connected with a middle screen drum through bolts, one outer wall of one side of the middle screen drum is connected with a right screen drum through bolts, the outer wall of the bottom of the shell is connected with uniformly distributed supporting seats through bolts, supporting wheels are rotatably connected inside the supporting seats through shafts and are located at the bottom of the middle screen drum, the inner wall of the top of the shell is connected with a rotating shaft through a bearing seat, and the outer wall of the rotating shaft is connected with a driving gear through a flat key. The utility model discloses a driving gear, magnetic ring and middle sieve section of thick bamboo that sets up utilize the rotation of driving gear to drive the ring gear and rotate for the left sieve section of thick bamboo, middle sieve section of thick bamboo and the right sieve section of thick bamboo of the drive slope of ring gear rotate, make the inside concrete raw materials of a left sieve section of thick bamboo can obtain the screening rapidly, consequently realized the efficient effect of concrete raw materials screening.

Description

A raw materials sieving mechanism for concrete production

Technical Field

The utility model relates to a concrete production facility technical field especially relates to a raw materials sieving mechanism for concrete production.

Background

Concrete is a generic term for engineering composites where aggregates are cemented into a whole by cementitious materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called as common concrete, is widely applied to civil engineering, and the concrete needs to screen raw materials in the production process so as to remove raw materials with larger particles.

The efficiency of concrete raw material screening of prior art is low, leads to concrete raw materials's production efficiency to reduce, and the specification of selecting is less, leads to concrete raw materials' production quality to descend, therefore, needs to design a raw materials sieving mechanism for concrete production to solve above-mentioned problem urgently.

Disclosure of Invention

The utility model aims at solving the defects of low efficiency of screening and less specification of screening existing in the prior art and providing a raw material screening device for concrete production.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a raw material screening device for concrete production comprises a shell, wherein a left screen drum is arranged inside the shell, a middle screen drum is connected to the outer wall of one side of the left screen drum through bolts, a right screen drum is connected to the outer wall of one side of the middle screen drum through bolts, supporting seats which are uniformly distributed are connected to the outer wall of the bottom of the shell through bolts, supporting wheels are rotatably connected to the inside of the supporting seats through shafts and are located at the bottom of the middle screen drum, a rotating shaft is connected to the inner wall of the top of the shell through a bearing seat, a driving gear is connected to the outer wall of the rotating shaft through a flat key, a toothed ring is welded to the outside of the middle screen drum, the driving gear is meshed with the toothed ring, a worm wheel is connected to the outer wall of the rotating shaft through a flat key, an electric motor is connected to the outer wall of the top of the shell through bolts, and a worm is welded to one end of an output shaft of the electric motor, the worm is meshed with the worm wheel, a first discharging hopper is welded on the outer wall of one side of the shell and extends to the lower portion of the left screen cylinder, a second discharging hopper is welded on the outer wall of one side of the shell and extends to the bottom of the middle screen cylinder.

The outer wall welding of one side of a right side sieve section of thick bamboo has the discharging pipe, the discharging pipe runs through casing one side inner wall and extends to the casing outside.

One side outer wall of casing has the feeder hopper through bolted connection, the bottom outer wall welding of feeder hopper has the feeding pipe chute, the bottom of feeding pipe chute runs through casing one side outer wall and extends to inside the left sieve section of thick bamboo.

The stirring device is characterized in that a stirring shaft is connected between the inner walls of the two sides of the feeding hopper through a bearing, a stirring plate is welded on the outer wall of the stirring shaft, a speed reduction motor is connected to the outer wall of one side of the feeding hopper through a bolt, and one end of an output shaft of the speed reduction motor is connected with the stirring shaft through a spline.

And flanges are arranged on two sides of the middle screen drum and are in rolling connection with the supporting wheels.

The bottom outer wall welding of casing has the base, the bottom outer wall of base is opened there is the mounting hole.

The outer wall welding of one side of casing has the third hopper of going out, the third hopper of going out extends to the bottom of right sieve section of thick bamboo.

The utility model has the advantages that:

1. through the driving gear, the magnetic ring and the middle screen drum that set up, utilize the rotation of driving gear to drive the ring gear and rotate for the left screen drum of the drive slope of ring gear, middle screen drum and the right screen drum rotate, make the inside concrete raw materials of a left screen drum can obtain the screening rapidly, consequently realized the efficient effect of concrete raw materials screening.

2. Through the left sieve section of thick bamboo, middle sieve section of thick bamboo and the right sieve section of thick bamboo that sets up, the mesh of a left sieve section of thick bamboo, middle sieve section of thick bamboo and a right sieve section of thick bamboo increases in proper order for multiple specification can be selected to the concrete raw materials, makes the higher raw materials of separation out quality from it, has consequently realized the effect that improves concrete raw materials quality.

3. Through gear motor, (mixing) shaft and the stirring board that sets up, utilize gear motor to drive the (mixing) shaft and rotate for the (mixing) shaft drives the stirring board and stirs the concrete raw materials inside the feeder hopper, prevents that the concrete raw materials from taking place to block up inside the feeder hopper, has consequently realized the effect that blocks up when preventing the screening of slow setting soil raw materials.

Drawings

Fig. 1 is a schematic overall structure diagram of a raw material screening device for concrete production according to the present invention;

fig. 2 is a schematic sectional structure view of a raw material screening device for concrete production according to the present invention;

fig. 3 is the utility model provides a second goes out hopper structural schematic for raw materials sieving mechanism of concrete production.

In the figure: the device comprises a shell 1, a base 2, a mounting hole 3, a first discharging hopper 4, a third discharging hopper 5, a feeding hopper 6, a feeding inclined tube 7, a left screen drum 8, a middle screen drum 9, a right screen drum 10, a discharging tube 11, a rotating shaft 12, a motor 13, a worm wheel 14, a worm 15, a driving gear 16, a toothed ring 17, a flange 18, a supporting seat 19, a supporting wheel 20, a stirring shaft 21, a stirring plate 22, a speed reducing motor 23 and a second discharging hopper 24.

Detailed Description

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a raw material screening apparatus for concrete production includes a casing 1, a left screen drum 8 is disposed inside the casing 1, a middle screen drum 9 is connected to an outer wall of one side of the left screen drum 8 through a bolt, a right screen drum 10 is connected to an outer wall of one side of the middle screen drum 9 through a bolt, meshes of the left screen drum 8, the middle screen drum 9 and the right screen drum 10 are sequentially enlarged, the left screen drum 8, the middle screen drum 9 and the right screen drum 10 are all inclined towards the lower right, a supporting seat 19 is uniformly distributed on an outer wall of the bottom of the casing 1 through a bolt, a supporting wheel 20 is rotatably connected inside the supporting seat 19 through a shaft, the supporting wheel 20 is located at the bottom of the middle screen drum 9, the supporting wheel 20 supports the middle screen drum 9, a rotating shaft 12 is connected to an inner wall of the top of the casing 1 through a bearing seat, and a driving gear 16 is connected to an outer wall of the rotating shaft 12 through a flat key, the outer welding of middle sieve section of thick bamboo 9 has the ring gear 17, driving gear 16 meshes with ring gear 17, make when pivot 12 rotates drive ring gear 17 and middle section of thick bamboo 9 through driving gear 16 and rotate, and then make right sieve section of thick bamboo 10 and left sieve section of thick bamboo 8 all follow middle section of thick bamboo 9 and rotate, the outer wall of pivot 12 is connected with worm wheel 14 through the parallel key, the top outer wall of casing 1 is connected with motor 13 through the bolt, the model of motor 13 is YL8S-2, the welding of casing 1 top outer wall is run through to the output shaft one end of motor 13 has worm 15, worm 15 meshes with worm wheel 14, make worm 15 drive worm wheel 14 and pivot 12 rotate, the welding of one side outer wall of casing 1 has first play hopper 4, first play hopper 4 extends to the low portion of left sieve section of thick bamboo 8, the welding of one side outer wall of casing 1 has second play hopper 24, second play hopper 24 extends to the bottom of middle sieve section of thick bamboo 9, so that the raw materials at the screening positions of the left screen drum 8 and the middle screen drum 9 respectively flow out through the first discharge hopper 4 and the second discharge hopper 24.

Further, in this design, the outer wall welding of one side of a right sieve section of thick bamboo 10 has discharging pipe 11, and discharging pipe 11 runs through 1 one side inner wall of casing and extends to the casing 1 outside for the biggest raw materials of the inside granule of a right sieve section of thick bamboo 10 flows through discharging pipe 11.

Further, there is feeder hopper 6 casing 1's one side outer wall through bolted connection in this design, and the welding of the bottom outer wall of feeder hopper 6 has feeding pipe chute 7, and the bottom of feeding pipe chute 7 runs through inside 1 one side outer wall of casing extends to a left sieve section of thick bamboo 8 for the raw materials pours into inside feeder hopper 6, and gets into inside a left sieve section of thick bamboo 8 through feeding pipe chute 7.

Further, be connected with (mixing) shaft 21 through the bearing between the both sides inner wall of feeder hopper 6 in this design, the outer wall welding of (mixing) shaft 21 has stirring board 22, there is gear motor 23 one side outer wall of feeder hopper 6 through bolted connection, gear motor 23's model is CV-28, gear motor 23's output shaft one end passes through splined connection with (mixing) shaft 21 for gear motor 23 drives (mixing) shaft 21 and stirring board 22 and stirs the raw materials, makes the raw materials get into inside of a left sieve section of thick bamboo 8 smoothly.

Furthermore, the two sides of the middle screen drum 9 in the design are provided with the flange plates 18, the flange plates 18 are in rolling connection with the supporting wheels 20, so that the supporting wheels 20 roll and support the flange plates 18, and the middle screen drum 9 can roll stably.

Further, the welding of the bottom outer wall of casing 1 has base 2 in this design, and the bottom outer wall of base 2 is opened there is mounting hole 3, is convenient for fix casing 1 through mounting hole 3.

Further, the welding of one side outer wall of casing 1 has third play hopper 5 in this design, and third play hopper 5 extends to the bottom of right sieve section of thick bamboo 10 for the raw materials that right sieve section of thick bamboo 10 was selected flows through third play hopper 5.

The working principle is as follows: when concrete raw materials need to be screened, the power supply of a speed reducing motor 23 and a motor 13 is connected through a lead, the concrete raw materials are poured into a feed hopper 6, the work of the speed reducing motor 23 drives a stirring shaft 21 to rotate, the rotation of the stirring shaft 21 drives a stirring plate 22 to stir the delayed concrete raw materials, so that the concrete raw materials flow into a left screen drum 8 through a feeding inclined pipe 7, the work of the motor 13 drives a worm 15 to rotate, the rotation of the worm 15 drives a worm wheel 14 to rotate, the rotation of the worm wheel 14 drives a rotating shaft 12 to rotate, the rotation of the rotating shaft 12 drives a driving gear 16 to rotate, the rotation of the driving gear 16 drives a toothed ring 17 to rotate, so that the toothed ring 17 drives the left screen drum 8, a middle screen drum 9 and a right screen drum 10 to rotate, and meshes on the left screen drum 8, the middle screen drum 9 and the right screen drum 10 are sequentially increased, and the left screen drum 8, Middle sieve section of thick bamboo 9 and right sieve section of thick bamboo 10 all incline to the below of right side for the different granule of slow setting soil material size is sieved, and flows out casing 1 through first play hopper 4, second play hopper 24, third play hopper 5 and discharging pipe 11 respectively.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The raw material screening device for concrete production comprises a shell (1) and is characterized in that a left screen drum (8) is arranged inside the shell (1), a middle screen drum (9) is connected to the outer wall of one side of the left screen drum (8) through a bolt, a right screen drum (10) is connected to the outer wall of one side of the middle screen drum (9) through a bolt, supporting seats (19) which are uniformly distributed are connected to the outer wall of the bottom of the shell (1) through bolts, supporting wheels (20) are connected to the inside of the supporting seats (19) through shaft rotation, the supporting wheels (20) are located at the bottom of the middle screen drum (9), a rotating shaft (12) is connected to the inner wall of the top of the shell (1) through a bearing seat, a driving gear (16) is connected to the outer wall of the rotating shaft (12) through a flat key, and a toothed ring (17) is welded to the outside of the middle screen drum (9), driving gear (16) and ring gear (17) meshing, the outer wall of pivot (12) is connected with worm wheel (14) through flat key, there is motor (13) top outer wall through bolted connection of casing (1), the output shaft one end of motor (13) runs through casing (1) top outer wall welding and has worm (15), worm (15) and worm wheel (14) meshing, one side outer wall welding of casing (1) has first play hopper (4), first play hopper (4) extend to the lower part of left sieve section of thick bamboo (8), one side outer wall welding of casing (1) has second play hopper (24), second play hopper (24) extend to the bottom of middle sieve section of thick bamboo (9).

2. The raw material screening device for concrete production according to claim 1, wherein a discharge pipe (11) is welded to the outer wall of one side of the right screen drum (10), and the discharge pipe (11) extends to the outside of the shell (1) through the inner wall of one side of the shell (1).

3. The raw material screening device for concrete production according to claim 1, wherein a feed hopper (6) is connected to the outer wall of one side of the shell (1) through bolts, a feed inclined pipe (7) is welded to the outer wall of the bottom of the feed hopper (6), and the bottom end of the feed inclined pipe (7) penetrates through the outer wall of one side of the shell (1) and extends into the left screen drum (8).

4. The raw material screening device for concrete production according to claim 3, wherein a stirring shaft (21) is connected between two side inner walls of the feeding hopper (6) through a bearing, a stirring plate (22) is welded on the outer wall of the stirring shaft (21), a speed reduction motor (23) is connected to one side outer wall of the feeding hopper (6) through a bolt, and one end of an output shaft of the speed reduction motor (23) is connected with the stirring shaft (21) through a spline.

5. A raw material screening apparatus for concrete production according to claim 1, wherein flanges (18) are provided on both sides of the intermediate screen drum (9), and the flanges (18) are in rolling connection with support wheels (20).

6. The raw material screening device for concrete production according to claim 1, wherein a base (2) is welded on the outer bottom wall of the shell (1), and a mounting hole (3) is formed in the outer bottom wall of the base (2).

7. The raw material screening device for concrete production according to claim 1, characterized in that a third discharge hopper (5) is welded to the outer wall of one side of the shell (1), and the third discharge hopper (5) extends to the bottom of the right screen drum (10).