Wheat flour screening device
Technical Field
The invention relates to the technical field of food processing, in particular to a wheat flour screening device.
Background
The flour processed by wheat is generally flour after bran extraction, and can be divided into high gluten flour, medium gluten flour, low gluten flour and non-gluten flour according to the content of protein in the flour, and is staple food in most regions in the north of China. The food made of flour has various varieties, various patterns and different flavors; after the wheat is ground, because the wheat is ground to have different thicknesses, the wheat flour needs to be screened, the conventional wheat flour screening usually adopts manual screening, has poor screening effect, low screening speed, time and labor waste and can not meet the production requirement of food processing.
Disclosure of Invention
The invention mainly aims to provide a wheat flour screening device which can screen wheat flour in the process of conveying the wheat flour through a conveying and screening device and can uniformly drop the screened wheat flour into a reciprocating screening device for secondary screening, so that the wheat flour screening device is efficient, convenient, time-saving and labor-saving. The device of the invention can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a wheat flour sieving mechanism, includes the base plate that supports through the pillar, the base plate up end supports there is the mounting panel through the support column, the corresponding one side of base plate and mounting panel is provided with the mounting groove, there is lower extreme open-ended rotary drum through roll axis swing joint in the mounting groove, be provided with on the mounting panel and make rotary drum pivoted transmission, be provided with the hopper that leaks on the mounting panel up end, it is provided with leaking material pipe and erection column to leak hopper lower extreme position in the rotary drum inside, be provided with the conveying material screening plant that a plurality of passes through inlet pipe and hourglass material pipe intercommunication on the erection column, the erection column is located conveying material screening plant below and is provided with reciprocal sieve material device, be provided with first bolster and the second bolster corresponding with conveying material screening plant and reciprocal sieve material device on the base plate.
Furthermore, the transmission device comprises a motor arranged on the mounting plate, a gear is arranged at one end of the motor below the mounting plate, and a toothed ring which corresponds to and is meshed with the gear is arranged on the outer wall of the rotary drum.
Furthermore, the material conveying and screening device comprises a cylinder arranged on the side wall of the mounting column, the upper end of the cylinder, which is close to one side of the mounting column, is connected and communicated with a material leaking pipe through a feeding pipe, a rotating shaft is arranged inside the cylinder, an auger is arranged on the rotating shaft, a round table is arranged on the inner wall of the rotating cylinder, horizontal teeth are arranged on the round table, driven teeth corresponding to the horizontal teeth are arranged at one end, which is positioned outside the cylinder, of the rotating shaft, a first screen mesh part is arranged in the middle of the lower end of the cylinder, the first screen mesh part is positioned right above the reciprocating material screening device, a discharging pipe is arranged at the lower end, which is positioned at one side of the cylinder, which is far away from the mounting column, the lower end of the discharging pipe is positioned in a first receiving pipe, the rotating cylinder is rotated to drive the driven teeth to rotate through the horizontal teeth, so that the rotating shaft conveys the wheat flour in the cylinder through the auger, can sieve the wheat flour in transportation process to the even hourglass of wheat flour that will pass through first screen cloth portion is in reciprocating sieve material device, and the impurity that is not sieved discharges the rotary drum from first accepting the pipe through the discharging pipe.
Further, the reciprocating material sieving device comprises corresponding sliding rods arranged on the outer wall of the mounting column, a bearing box with a second screen part at the bottom end is arranged on each sliding rod, the bearing box is positioned under the first screen part, a sliding block is arranged on the lower end face of the bearing box, sliding holes corresponding to the sliding rods are formed in the sliding blocks, the bearing box is movably connected with the sliding rods through the sliding holes, a reset spring is sleeved on the outer side of one end, located between the bearing box and the mounting column, of each sliding rod, a connecting frame is arranged on the outer wall of one side, close to the inner wall of the rotary drum, of the bearing box, a first arc block is arranged on the outer side wall of the connecting frame, a plurality of second arc blocks corresponding to the first arc blocks are arranged on the rotary drum, oblique tables are arranged on two sides of the upper end of the second bearing pipe and are positioned below the second screen part, the rotary drum is continuous at the rotation in-process, and the first circular arc piece is constantly extruded to the second circular arc piece in the rotary drum, makes the slider on the accepting box constantly extrude reset spring, when the first circular arc piece is not extruded to the second circular arc piece, accepts the box and resumes the normal position to carry out screening once more to the wheatmeal of screening down in the follow drum, the wheatmeal after the screening is followed the sloping platform and is fallen into in the second accepting pipe and collected. Furthermore, the upper end of the cylinder is provided with a connecting rod, the end part of the connecting rod is provided with a first sliding block, the upper end surface of the rotary drum is provided with a first arc groove corresponding to the first sliding block, and the connecting rod is movably connected with the first arc groove through the first sliding block. Furthermore, a vibration exciter is arranged at the upper end of the cylinder.
Furthermore, a material guide plate leading into the receiving box is arranged on the outer side of the cylinder, which is positioned on the first screen part. Furthermore, a second sliding block is arranged at one end, opposite to the rotary drum, of the sliding rod, a second arc groove corresponding to the second sliding block is arranged on the inner wall of the rotary drum, and the sliding rod is movably connected with the second arc groove through the second sliding block.
The working principle is as follows: drive the rotary drum through transmission and rotate, pour into wheat flour from hopper, the wheat flour is through the drain pipe, the inlet pipe gets into in the defeated material screening plant, defeated material screening plant carries out screening for the first time when transporting wheat flour, the wheat flour of screening out gets into in the reciprocal screening plant and sieves material device through the continuous reciprocating motion of reciprocal screening plant and sieves once more, the impurity of screening out by defeated material screening plant then collects through first accepting pipe discharge rotary drum, the wheat flour of screening out by reciprocal screening plant is collected through second accepting pipe discharge rotary drum.
Has the advantages that: can carry out defeated material in-process to wheat flour through defeated material screening plant and sieve to wheat flour after will sieving can evenly fall into reciprocal sieve material device and sieve once more, and is high-efficient convenient, comparatively labour saving and time saving.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an internal schematic view of the overall structure of the present invention.
FIG. 3 is a schematic view of the movement of the receiving box inside the overall structure of the present invention.
Figure 4 is a top view of the reciprocating screening device configuration of the present invention.
FIG. 5 is a schematic view of the structure of the circular truncated cone and the horizontal teeth inside the cylinder according to the present invention.
In the figure: 1 a base plate; 2, mounting a plate; 3, supporting columns; 4 pillars; 5, mounting a groove; 6, rotating the drum; 7, a leakage hopper; 8, a material leakage pipe; 9, a cylinder; 10 feed pipes; 11 mounting a column; 12 a rotating shaft; 13, packing auger; 14 driven teeth; 15 circular table; 16 horizontal teeth; 17 a first screen section; 18 a material guide plate; 19 a second screen section; 20 a slide block; 21 a slide bar; 22 a receiving box; 23 a discharge pipe; 24, a sloping platform; 25 a second bearing pipe; 26 a first adapter; 27 motor; 28 gears; 29 a toothed ring; 30 second arc blocks; 31 connecting the frame; 32 a first arc block; 33 connecting rods; 34 a first slide block; 35 a first arc groove; 36 a second slider; 37 a second arc groove; 38 a vibration exciter; 39 a return spring; 40 a sliding hole; 41 roll axis.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, a wheat flour sifting apparatus comprises a base plate 1 supported by supports 4, the upper end surface of the base plate 1 is supported with a mounting plate 2 through a support column 3, the corresponding surface of the base plate 1 and the mounting plate 2 is provided with a mounting groove 5, a rotary drum 6 with an opening at the lower end is movably connected in the mounting groove 5 through a rolling shaft 41, a transmission device for driving the rotary drum 6 to rotate is arranged on the mounting plate 2, a material leakage hopper 7 is arranged on the upper end surface of the mounting plate 2, a material leakage pipe 8 and a mounting column 11 are arranged at the lower end of the material leakage hopper 7 in the rotary drum 6, the mounting column 11 is provided with a plurality of material conveying and screening devices which are communicated with the material leakage pipe 8 through a material inlet pipe 10, the mounting column 11 is provided with a reciprocating screening device below the material conveying screening device, and the base plate 1 is provided with a first adapting pipe 26 and a second adapting pipe 25 corresponding to the material conveying screening device and the reciprocating screening device.
Wherein, the transmission device comprises a motor 27 arranged on the mounting plate 2, a gear 28 is arranged at one end of the motor 27 below the mounting plate 2, and a toothed ring 29 which is corresponding to and meshed with the gear 28 is arranged on the outer wall of the rotary drum 6.
Wherein, defeated material screening plant is including setting up drum 9 on erection column 11 lateral wall, drum 9 is close to the upper end of erection column 11 one side and is connected and communicate through inlet pipe 10 and hourglass material pipe 8, drum 9 inside is provided with pivot 12, be provided with auger 13 in the pivot 12, be provided with circular platform 15 on the 6 inner walls of rotary drum, be provided with horizontal tooth 16 on the circular platform 15, pivot 12 is located drum 9 outside one end and is provided with the driven tooth 14 corresponding with horizontal tooth 16, the lower extreme middle part of drum 9 is provided with first screen cloth portion 17, first screen cloth portion 17 is located reciprocal screen cloth device directly over, one side lower extreme that the erection column 11 was kept away from to drum 9 is provided with discharging pipe 23, discharging pipe 23 lower extreme is located first accepting pipe 26.
Wherein, the reciprocating material sieving device comprises a corresponding sliding rod 21 arranged on the outer wall of the mounting column 11, a receiving box 22 with a second screen part 19 at the bottom end is arranged on the sliding rod 21, the receiving box 22 is positioned under the first screen part 17, a slide block 20 is arranged on the lower end surface of the receiving box 22, a sliding hole 40 corresponding to the sliding rod 21 is arranged in the slide block 20, the receiving box 22 is movably connected with the sliding rod 21 through the sliding hole 40, a reset spring 39 is sleeved on the outer side of one end of the sliding rod 21 between the receiving box 22 and the mounting column 11, a connecting frame 31 is arranged on the outer wall of one side of the receiving box 22 close to the inner wall of the rotating drum 6, a first arc block 32 is arranged on the outer side wall of the connecting frame 31, a plurality of second arc blocks 30 corresponding to the first arc block 32 are arranged on the rotating drum 6, and inclined platforms 24 are arranged on two sides of the upper end of the second receiving pipe 25, said ramp 24 being located below the second screen section 19. A connecting rod 33 is arranged at the upper end of the cylinder 9, a first sliding block 34 is arranged at the end of the connecting rod 33, a first arc groove 35 corresponding to the first sliding block 34 is arranged on the upper end surface of the rotating drum 6, and the connecting rod 33 is movably connected with the first arc groove 35 through the first sliding block 34. Wherein, the upper end of the cylinder 9 is provided with an exciter 38.
Wherein a material guide plate 18 leading into a receiving box 22 is arranged outside the first screen part 17 of the cylinder 9. A second sliding block 36 is arranged at one end of the sliding rod 21 opposite to the rotary drum 6, a second arc groove 37 corresponding to the second sliding block 36 is arranged on the inner wall of the rotary drum 6, and the sliding rod 21 is movably connected with the second arc groove 37 through the second sliding block 36.
Example (b): drive rotary drum 6 through transmission and rotate, pour into wheat flour from hopper 7, wheat flour is through material leakage pipe 8, inlet pipe 10 gets into in the defeated material screening plant, defeated material screening plant carries out screening for the first time when transporting wheat flour, the wheat flour of screening out gets into in the reciprocal screening plant and sieves the material device through the continuous reciprocating motion of reciprocal screening plant and sieves once more, the impurity of screening out by defeated material screening plant is then collected through first delivery pipe 26 discharge rotary drum 6, the wheat flour of screening out by the reciprocal screening plant is collected through second delivery pipe 25 discharge rotary drum 6.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.