CN112893093A

CN112893093A - Wheat flour classified screening device

Info

Publication number: CN112893093A
Application number: CN202110066805.6A
Authority: CN
Inventors: 张彩琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-06-04

Abstract

The invention discloses a wheat flour grading and screening device which comprises a base and two collecting barrels, wherein a driving motor is installed inside the base, the output end of the driving motor is fixedly connected with a connecting rod, the connecting rod penetrates through the base and is rotatably connected with the base, an eccentric shaft is fixedly connected to the side face of one end, away from the driving motor, of the connecting rod, the top of the eccentric shaft is fixedly connected with a first screening frame, the first screening frame is fixedly connected with the top of the base through a plurality of springs, the top of the first screening frame is fixedly connected with a second screening frame, the top of the second screening frame is fixedly connected with a third screening frame, and the side faces of the first screening frame and the second screening frame are respectively connected with a discharging cavity in a penetrating mode. According to the flour collecting device, the pushing block is arranged in the discharging cavity, so that screened flour can be pushed into the collecting barrel through the discharging hole, and the flour is collected.

Description

Wheat flour classified screening device

Technical Field

The invention relates to the technical field of flour processing, in particular to a wheat flour grading and screening device.

Background

Flour is a powder ground from wheat. According to the content of protein in the flour, the flour can be divided into high gluten flour, medium gluten flour, low gluten flour and non-gluten flour, the flour is staple food in most regions in the north of China, the food made of the flour has various varieties and various patterns, and the flour with different flavors is a raw material for making various delicious foods.

When utilizing the flour sieve separator to filter, the phenomenon that flour blockked up the screening net often can appear, cause the flour screening effect poor, the problem of inefficiency, and simultaneously, when rocking the screening to wheat flour, because wheat flour falls for one heap when on the screening net, be unfavorable for the screening of wheat flour, the screening efficiency is low, through rocking, when flour after the screening passes through the discharge gate, often can the ejection of compact not thorough, lead to the flour to pile up the tip at the discharge gate, the phenomenon that can't handle, for this reason, a wheat flour classified screening device has been proposed.

Disclosure of Invention

The invention aims to solve the defect of low screening efficiency in the prior art, and provides a wheat flour grading and screening device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a wheat flour classifying and screening device comprises a base and two collecting barrels, wherein a driving motor is installed inside the base, the output end of the driving motor is fixedly connected with a connecting rod, the connecting rod penetrates through the base and is rotatably connected with the base, the side face, far away from one end of the driving motor, of the connecting rod is fixedly connected with an eccentric shaft, the top of the eccentric shaft is fixedly connected with a first screening frame, the first screening frame is fixedly connected with the top of the base through a plurality of springs, the top of the first screening frame is fixedly connected with a second screening frame, the top of the second screening frame is fixedly connected with a third screening frame, the side faces of the first screening frame and the second screening frame are respectively connected with a discharging cavity in a penetrating manner, the bottom of the discharging cavity is connected with a discharging pipe in a penetrating manner, a first rotating rod is rotatably connected inside the discharging cavity and penetrates through the discharging cavity, the inside in unloading chamber is rotated and is connected with a plurality of second dwangs, the fixed ejector pad that has cup jointed on the second dwang, the limiting plate is installed respectively to the inside of first screening frame, second screening frame and third screening frame, the first mesh screen of top fixedly connected with of limiting plate, the bottom fixedly connected with second mesh screen of limiting plate, the inside of first screening frame, second screening frame and third screening frame is equipped with screening mechanism respectively, clamping mechanism is installed respectively in the outside of first screening frame, second screening frame and third screening frame.

Preferably, the screening mechanism comprises a plurality of limiting frames positioned between the first mesh screen and the second mesh screen, the limiting frames slide between the first mesh screen and the second mesh screen, a ball body is placed in the limiting frames, wherein the two limiting frames slide along the guide grooves on the second mesh screen, the top of the first mesh screen is rotatably sleeved with a plurality of push rods through limiting shafts, the push rods slide along the guide grooves on the first mesh screen, and the push rods are rotatably connected with the top of the first mesh screen, a plurality of elastic pieces are arranged on the inner side wall of the second mesh screen, a push pipe is connected in the elastic pieces in a penetrating way, the push pipe is sleeved with an internal thread pipe in a threaded manner, the inner side wall of the limit plate is rotatably connected with a plurality of third rotating rods, the third dwang is fixedly sleeved with a touch block, and the push rods are respectively and fixedly connected with permanent magnets.

Preferably, the clamping mechanism comprises a plurality of limiting blocks fixedly connected to the first screening frame, the second screening frame and the third screening frame respectively, clamping grooves are formed in the limiting blocks, two of the limiting blocks are connected with sliding plates in a sliding mode, the sliding plates are connected with clamping blocks in a rotating mode, and the clamping grooves are clamped with the clamping blocks.

Preferably, the push tube is connected with the inside sliding connection of flexure strip, the internal thread pipe rotates with the flexure strip to be connected, the fixed cover of having connect the stay cord on the third dwang, the fixed cover of the one end of third dwang is kept away from to the stay cord is connected on the lateral wall of internal thread pipe, wherein along the gliding two of guide slot the inside spheroid of spacing frame is the iron ball, all the other the spheroid is the elastic ball.

Preferably, the discharging pipe is located directly over the corresponding collecting vessel, first pivot pole is connected through the conveyer belt transmission with the connecting rod, two between the first pivot pole through the conveyer belt transmission connection.

Preferably, the second rotating rod is fixedly sleeved with a cylindrical gear, the two corresponding cylindrical gears are meshed, and one of the second rotating rod is meshed with the first rotating rod through a bevel gear.

Preferably, the push block is in contact with the inner side wall of the discharging cavity, and two ends of the ball body are in contact with the first mesh screen and the second mesh screen respectively.

Preferably, the first mesh screen is in contact with the inner side walls of the corresponding first screening frame, the second screening frame and the third screening frame through elastic pads, and the contact block is in contact with the elastic pads.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the pushing block is arranged in the discharging cavity, the screened flour can be pushed into the collecting barrel through the discharging port to collect the flour, the phenomenon that the flour is accumulated in the discharging cavity and cannot be completely collected is avoided, the problem that the flour in the traditional screening device cannot be collected after being screened is solved, the collection rate after screening of the flour is improved, the waste of resources is avoided, the flour is fully collected, meanwhile, the ball body and the permanent magnet are arranged in the screening device, when the flour is shaken and screened, the outer side limiting frames of the two ball bodies which are iron balls can be driven to slide along the guide grooves in the second mesh screen, so that the pushing rod on the first mesh screen can be further driven to rotate, the flour is pushed, the flour accumulated on the first mesh screen is pushed, and the flour screening speed can be effectively improved, and reduce the probability that the mesh screen is blocked by the flour, promote sieving mechanism's functionality.

2. Through spacing frame and spheroidal setting, when whole sieving mechanism rocked, drive spacing frame and rock between first mesh screen and second mesh screen to the spheroid that drives in the spacing frame rocks, through the elastic movement of a plurality of elasticity spheroids, can shake first mesh screen and second mesh screen, bounces the flour in first mesh screen and the second mesh screen net, avoids the phenomenon of flour jam first mesh screen and second mesh screen.

3. Set up the flexure strip in the side of second mesh screen, when having spheroidal spacing frame striking flexure strip, the flexure strip provides a reverse effort to spacing frame, promote spacing frame to drive the spheroid and slide between first mesh screen and second mesh screen, simultaneously, when the ejector sleeve on the spacing frame striking flexure strip, can further promote to touch the cushion of piece to first mesh screen side, thereby can realize the shake of first mesh screen intermittent type nature under the effect of cushion.

4. Through the setting of first screening frame, second screening frame and third screening frame, can realize the classified screening to flour.

Drawings

FIG. 1 is a perspective view of a wheat flour classifying and screening apparatus according to the present invention;

FIG. 2 is a schematic structural view of a wheat flour classifying and screening device according to the present invention;

FIG. 3 is a cross-sectional view of the discharge chamber of FIG. 1;

FIG. 4 is a bottom view of FIG. 4;

FIG. 5 is a left side view of FIG. 3;

FIG. 6 is a schematic structural diagram of a third screening frame in FIG. 1;

fig. 7 is a top view of the first mesh screen of fig. 6;

fig. 8 is a top view of the second mesh screen of fig. 6;

FIG. 9 is a schematic view of the structure of the elastic sheet of FIG. 8;

fig. 10 is an enlarged view of a point a in fig. 2.

In the figure: the screening device comprises a base 1, a touch block 2, a first screening frame 3, a second screening frame 4, a third screening frame 5, a discharging cavity 6, a discharging pipe 7, a pushing pipe 8, a driving motor 9, a connecting rod 10, an eccentric shaft 11, a first rotating rod 12, a limiting block 13, a clamping groove 14, a sliding plate 15, a clamping block 16, a second rotating rod 17, a cylindrical gear 18, a pushing block 19, a limiting plate 20, a first mesh screen 21, a second mesh screen 22, an elastic pad 23, a push rod 24, a permanent magnet 25, a limiting frame 26, a sphere 27, an elastic sheet 28, an internal threaded pipe 29 and a third rotating rod 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1-10, a wheat flour classifying and screening device comprises a base 1 and two collecting barrels, wherein a driving motor 9 is arranged in the base 1, an output end of the driving motor 9 is fixedly connected with a connecting rod 10, the connecting rod 10 penetrates through the base 1 and is rotatably connected with the base 1, the side surface of one end of the connecting rod, which is far away from the driving motor 9, is fixedly connected with an eccentric shaft 11, the top of the eccentric shaft 11 is fixedly connected with a first screening frame 3, the first screening frame 3 is fixedly connected with the top of the base 1 through a plurality of springs, the top of the first screening frame 3 is fixedly connected with a second screening frame 4, the top of the second screening frame 4 is fixedly connected with a third screening frame 5, the side surfaces of the first screening frame 3 and the second screening frame 4 are respectively and continuously connected with a discharging cavity 6, the bottom of the discharging cavity 6 is continuously connected with a discharging pipe 7, the interior, the first rotating rod 12 penetrates through the material discharging cavity 6, the inside of the material discharging cavity 6 is rotatably connected with a plurality of second rotating rods 17, a pushing block 19 is fixedly sleeved on each second rotating rod 17, the pushing block is arranged inside the material discharging cavity 6, the screened flour can be pushed into a collecting barrel through a material discharging port 7, the flour is collected, the flour is prevented from being accumulated inside the material discharging cavity 6, the phenomenon that the flour cannot be completely collected is caused, the problem that the flour cannot be collected in the screening device after being screened by the traditional screening device is solved, the collection rate after the flour screening is improved, the waste of resources is avoided, the flour is fully collected, limiting plates 20 are respectively arranged inside the first screening frame 3, the second screening frame 4 and the third screening frame 5, the top of each limiting plate 20 is fixedly connected with a first mesh screen 21, the bottom of each limiting plate 20 is fixedly connected with a second mesh screen 22, the discharge pipe 7 is positioned right above the corresponding collecting barrel, the first rotating rods 12 are connected with the connecting rod 10 through a conveyor belt in a transmission mode, the two first rotating rods 12 are connected through the conveyor belt in a transmission mode, the second rotating rod 17 is fixedly sleeved with the cylindrical gears 18, the two corresponding cylindrical gears 18 are meshed, and one second rotating rod 17 is meshed and connected with the first rotating rod 12 through the bevel gear.

The screening mechanisms are respectively arranged in the first screening frame 3, the second screening frame 4 and the third screening frame 5, each screening mechanism comprises a plurality of limiting frames 26 positioned between the first mesh screen 21 and the second mesh screen 22, the limiting frames 26 slide between the first mesh screen 21 and the second mesh screen 22, a ball body 27 is placed in each limiting frame 26, meanwhile, the ball body 27 and the permanent magnet 25 are arranged in the screening device, when flour shakes and screens, the limiting frames on the outer sides of the two iron ball bodies 27 can be driven to slide along the guide grooves in the second mesh screen, so that the push rod 24 on the first mesh screen 21 can be further driven to rotate, the flour is pushed, the flour stacked on the first mesh screen 21 is pushed, the flour screening speed can be effectively increased, the probability that the flour blocks the mesh screens is reduced, and the functionality of the screening device is improved, wherein the two limiting frames 26 slide along the guide grooves on the second mesh screen 22, the top of the first mesh screen 21 is rotatably sleeved with a plurality of push rods 24 through a limiting shaft, the push rods 24 slide along the guide grooves on the first mesh screen 21, the push rods 24 are rotatably connected with the top of the first mesh screen 21, the inner side wall of the second mesh screen 22 is provided with a plurality of elastic sheets 28, the inner part of each elastic sheet 28 is connected with a push pipe 8 in a penetrating way, the push pipe 8 is sleeved with an internal threaded pipe 29 in a threaded way, the inner side wall of the limiting plate 20 is rotatably connected with a plurality of third rotating rods 30, the third rotating rods 30 are fixedly sleeved with a touch block 2, wherein the two push rods 24 are respectively and fixedly connected with a permanent magnet 25, the push pipes 8 are slidably connected with the inner parts of the elastic sheets 28, the internal threaded pipes 29 are rotatably connected with the elastic sheets 28, the third rotating rods 30 are fixedly sleeved with a pull rope, one end of, the ball bodies 27 inside the two limiting frames 26 sliding along the guide grooves are iron balls, the rest ball bodies 27 are elastic balls, the first mesh screen 21 is in contact with the inner side walls of the corresponding first screening frame 3, the second screening frame 4 and the third screening frame 5 through the elastic pads 23 respectively, the touch block 2 is in contact with the elastic pads 23, and the touch block 2 touches the elastic pads 23 on the side surfaces of the first mesh screen 21, so that intermittent shaking of the first mesh screen 21 under the action of the elastic pads 23 can be realized.

First screening frame 3, latch mechanism is installed respectively in the outside of second screening frame 4 and third screening frame 5, latch mechanism includes first screening frame 3, a plurality of stoppers 13 of fixed connection respectively on second screening frame 4 and the third screening frame 5, be equipped with draw-in groove 14 on the stopper 13, sliding connection has slide 15 on two of them stoppers 13, sliding connection has fixture block 16 on the slide 15, draw-in groove 14 and fixture block 16 joint, ejector pad 19 contacts with the inside wall of ejection of compact chamber 6, spheroid 27's both ends contact with first mesh screen 21 and second mesh screen 22 respectively, can further shake out the flour in first mesh screen 21 and the second mesh screen 22, further avoid appearing the phenomenon of jam.

The invention can be illustrated by the following operating modes:

firstly, pulling slide 15, rotating fixture block 16 on slide 15 and corresponding draw-in groove 14 joint, fixed second screening frame 4 and first screening frame 3, third screening frame 5 is fixed with second screening frame 4, puts the collecting vessel under corresponding discharging pipe 7 to collect the flour after the screening, with the inside of collecting vessel.

Flour is poured into the top of the first mesh screen 21 in the third screening frame 5, a switch of the driving motor 9 is pressed, the driving motor 9 drives the connecting rod 10 to rotate, so as to further drive the eccentric shaft 11 to rotate, because the first screening frame 3 is connected with the base 1 through a plurality of springs, the first screening frame 3, the second screening frame 4 and the third screening frame 5 start to shake along with the rotation of the eccentric shaft 11, screening operation is carried out, because the limiting frame 26 slides between the first mesh screen 21 and the second mesh screen 22, the limiting frame 26 can be driven to shake during screening shaking, at the moment, the two limiting frames 26 on the guide groove of the second mesh screen 22 slide along the guide groove, because the ball bodies 27 in the two limiting frames 26 are iron balls, and the permanent magnets 25 are fixedly connected on the two push rods 24 on the first mesh screen 21, when the iron balls slide along with the limiting frames 26, the plurality of push rods 24 can be further rotated.

When limit frame 26 strikes the ejector sleeve 8 on the flexure strip 28, because ejector sleeve 8 and flexure strip 28 sliding connection, and the screw has cup jointed internal thread pipe 29 on the ejector sleeve 8, therefore, the removal of ejector sleeve 28 can further drive internal thread pipe 29 and rotate, because internal thread pipe 29 passes through the stay cord with third dwang 30 and is connected, thereby the rotation of internal thread pipe 29 can further drive third dwang 30 through the stay cord that fixed cover cup jointed on internal thread pipe 29 and rotate, thereby can drive fixed cover and connect the touching piece 2 rotation on third dwang 30.

Meanwhile, when the connecting rod 10 rotates, because the connecting rod 10 is connected with the transmission of the first rotating rod 12 through the conveyer belt, therefore, the rotation of the connecting rod 10 can drive the rotation of the first rotating rod 12, because the first rotating rod 12 is connected with the second rotating rod 17 through the bevel gear meshing, a plurality of second connecting rods 17 are connected through the cylindrical gear 18 meshing, therefore, the rotation of the first rotating rod 12 drives a plurality of second rotating rods 17 to rotate simultaneously, thereby further driving the push block 19 fixedly sleeved on the second rotating rod 17 to rotate, through the position design of the push block 19, the flour entering the discharging cavity 6 can be reasonably pushed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A wheat flour classified screening device comprises a base (1) and two collecting barrels, and is characterized in that a driving motor (9) is installed inside the base (1), a connecting rod (10) is fixedly connected to the output end of the driving motor (9), the connecting rod (10) penetrates through the base (1) and is rotatably connected with the base (1), an eccentric shaft (11) is fixedly connected to the side face of one end, away from the driving motor (9), of the connecting rod, a first screening frame (3) is fixedly connected to the top of the eccentric shaft (11), the first screening frame (3) is fixedly connected with the top of the base (1) through a plurality of springs, a second screening frame (4) is fixedly connected to the top of the first screening frame (3), a third screening frame (5) is fixedly connected to the top of the second screening frame (4), and discharging cavities (6) are respectively connected to the side faces of the first screening frame (3) and the second screening frame (4) in a penetrating manner, the bottom through connection of ejection of compact chamber (6) has discharging pipe (7), the inside rotation in ejection of compact chamber (6) is connected with first dwang (12), first dwang (12) link up out material chamber (6), the inside rotation in ejection of compact chamber (6) is connected with a plurality of second dwang (17), fixed cover has been connect ejector pad (19) on second dwang (17), limiting plate (20) are installed respectively to the inside of first screening frame (3), second screening frame (4) and third screening frame (5), the first mesh screen of top fixedly connected with (21) of limiting plate (20), the bottom fixedly connected with second mesh screen (22) of limiting plate (20), the inside of first screening frame (3), second screening frame (4) and third screening frame (5) is equipped with screening mechanism respectively, first screening frame (3), Clamping mechanisms are respectively installed on the outer sides of the second screening frame (4) and the third screening frame (5).

2. The wheat flour classifying and screening device according to claim 1, wherein the screening mechanism includes a plurality of limiting frames (26) between the first mesh screen (21) and the second mesh screen (22), the plurality of limiting frames (26) slide between the first mesh screen (21) and the second mesh screen (22), a ball body (27) is placed inside the limiting frames (26), two of the limiting frames (26) slide along the guide groove on the second mesh screen (22), a plurality of push rods (24) are rotatably sleeved on the top of the first mesh screen (21) through limiting shafts, a plurality of push rods (24) slide along the guide groove on the first mesh screen (21), a plurality of push rods (24) are rotatably connected with the top of the first mesh screen (21), a plurality of elastic sheets (28) are installed on the inner side wall of the second mesh screen (22), and a push pipe (8) is penetratingly connected inside the elastic sheets (28), push away pipe (8) and go up the screw thread and cup jointed internal thread pipe (29), it is connected with a plurality of third dwangs (30) to rotate on the inside wall of limiting plate (20), fixed cover has been gone up in third dwang (30) and has been touched piece (2), wherein two fixedly connected with permanent magnet (25) respectively on push rod (24).

3. The wheat flour classified screening device according to claim 1, wherein the clamping mechanism comprises a plurality of limiting blocks (13) fixedly connected to the first screening frame (3), the second screening frame (4) and the third screening frame (5), clamping grooves (14) are formed in the limiting blocks (13), sliding plates (15) are connected to the limiting blocks (13) in a sliding mode, clamping blocks (16) are connected to the sliding plates (15) in a rotating mode, and the clamping grooves (14) are clamped with the clamping blocks (16).

4. The wheat flour classifying and screening device according to claim 2, wherein the push tube (8) is slidably connected with the inside of the elastic sheet (28), the internal threaded tube (29) is rotatably connected with the elastic sheet (28), a pull rope is fixedly sleeved on the third rotating rod (30), one end of the pull rope far away from the third rotating rod (30) is fixedly sleeved on the outer side wall of the internal threaded tube (29), wherein the balls (27) inside the two limiting frames (26) sliding along the guide grooves are iron balls, and the rest balls (27) are elastic balls.

5. The wheat flour classifying and screening device according to claim 1, wherein the discharge pipe (7) is located right above the corresponding collecting barrel, the first rotating rods (12) are connected with the connecting rods (10) through a conveyor belt in a transmission manner, and the two first rotating rods (12) are connected through the conveyor belt in a transmission manner.

6. The wheat flour classifying and screening device according to claim 1, wherein cylindrical gears (18) are fixedly sleeved on the second rotating rod (17), two corresponding cylindrical gears (18) are meshed, and one of the second rotating rods (17) is meshed with the first rotating rod (12) through a bevel gear.

7. The wheat flour classifying and screening device according to claim 1, wherein the push block (19) is in contact with the inner side wall of the discharging cavity (6), and both ends of the ball body (27) are in contact with the first mesh screen (21) and the second mesh screen (22), respectively.

8. The wheat flour classifying and screening apparatus according to claim 2, wherein the first mesh screen (21) is in contact with the inner side walls of the corresponding first screening frame (3), second screening frame (4) and third screening frame (5) through elastic pads (23), respectively, and the contact block (2) is in contact with the elastic pads (23).