CN111298901B

CN111298901B - Integrative flour machine of domestic powder sieve

Info

Publication number: CN111298901B
Application number: CN202010194972.4A
Authority: CN
Inventors: 王振峰
Original assignee: Henan Lin Mu Agricultural Technology Co ltd
Current assignee: Henan Lin Mu Agricultural Technology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2022-02-08
Anticipated expiration: 2040-03-19
Also published as: CN111298901A

Abstract

The invention provides a household flour-sieving integrated flour machine, which comprises a frame box, a flour-sieving rotary drum, a speed regulating motor, an electricity control box and a bran powder storage drawer.

Description

Integrative flour machine of domestic powder sieve

Technical Field

The invention belongs to the field of household appliances, and particularly relates to a household flour sieving and sieving integrated flour machine.

Background

At present, the traditional flour mill has the defects of high noise, such as high-speed centrifugal type, or low efficiency, such as stone mill, or has the defects that the occupied space is large and the like which are not suitable for household, such as a winnowing air screen type, or the bran or the hull can be removed only by secondary screening, or has the defects that the flour in the flour mill is more remained and is not easy to be thoroughly eliminated or the flour can not be quantitatively prepared every time the flour is ground, therefore, if the flour mill which is simple and convenient to manufacture and suitable for families is invented (namely, the flour mill has the characteristics of small space occupation, low noise, no dust raising and leakage in the using process, capability of milling and removing bran, capability of conveniently and thoroughly discharging residual grain powder by changing grain types and the like), the requirement of milling flour in the domestic environment of people can be met, and the individual requirement of the people on grain use and the desire of food safety can be met.

Disclosure of Invention

The invention aims to: the invention mainly aims at overcoming the defects of the prior art, and provides a household flour-sieving integrated flour mill which can overcome the defects of high running noise of a conventional household flour high-speed centrifugal flour mill, large occupied space and low efficiency of the traditional low-speed grinding type (stone grinding type) and can achieve the purpose of removing bran or husk without secondary sieving, is simpler and more convenient to operate and is more suitable for household environment.

The technical scheme of the invention is as follows: the utility model provides a household flour sieving machine integrating flour, which comprises a frame box, a flour sieving rotary drum, a speed regulating motor, a power control box and a bran powder containing drawer, wherein the frame box is a cuboid frame box, the frame box is composed of an openable top cover, a bottom plate and a vertical side plate frame with a rectangular section, a middle partition plate vertically connected with two opposite side surfaces of the vertical side plate frame is arranged in the frame box, the middle partition plate and the vertical side plate frame are vertically fixed on the bottom plate, the middle upper part of the middle partition plate is provided with a circular through hole, two side surfaces of the vertical side plate frame parallel to the middle partition plate are respectively provided with a shaft end bearing, the circular through hole is superposed with the central axis of the shaft end bearing, an area enclosed by the middle partition plate and the vertical side plate frame in the frame box is provided with two cross supporting plates, the two cross supporting plates are vertically fixed on the bottom plate and are vertical to the middle partition plate, one of the cross supporting plates is fixed with the speed regulating motor, and the two cross supporting plates are respectively provided with a bearing, the central axes of the two worm bearings are coincident and are vertical to the different surfaces of the central axes of the shaft end bearings, the output shaft of the speed regulating motor is connected with a driving worm, the driving worm is inserted in the worm bearings on the two cross supporting plates, a powder sieve rotary drum is arranged in the other area enclosed by the middle clapboard and the upright side plate frame in the frame box, the powder sieve rotary drum is a rotary drum with two ends provided with end covers, the central part of the outer side of each end cover is provided with a cylindrical boss, the axle center of each cylindrical boss is provided with a through stepped axle hole, the outer peripheral surface of one cylindrical boss penetrating through the circular through hole is sleeved and fixed with a driven worm wheel matched with the driving worm, a supporting bearing is fixed in the through stepped axle hole of each cylindrical boss in a sealing and matching way, a supporting shaft is inserted in the supporting shaft bearing, two ends of the supporting shaft are respectively inserted in the shaft end bearings of the upright side plate frame in a sealing way, more than two powder grinding components and a grain adding and sieving component are also arranged in the powder sieving rotary drum, the middle section of the powder sieve rotary drum is symmetrically provided with a grain and powder outlet control mounting opening and a sieving control mounting opening along the diameter direction, the grain and powder adding and sieving component is composed of a sieving control, a grain and powder outlet control and a sieving ring groove part with a U-shaped section and an open edge fixed on the inner wall of the powder sieve rotary drum, the sieving control is matched and fixed in the sieving control mounting opening, the grain and powder inlet and outlet control is matched and fixed in the grain and powder outlet control mounting opening, the sieving ring groove part is composed of two annular side vertical plates and an annular sieve drum, the annular sieve drum is provided with a sieve section and a grain powder inlet and outlet, the position of the grain powder inlet and outlet is just matched with the position of the grain and powder outlet control mounting opening, the position of the sieve section is just matched with the position of the sieving control mounting opening, the arc length of the sieve section is not more than one fourth of the circumference of the annular sieve drum, and two sides of the grain and sieving component are provided with material lifting rib plates, a door-shaped opening with a lower arched arc top edge is arranged on one side surface of an upright side plate frame which is vertical to and adjacent to the central axis of the end cover, a bran powder storage drawer is arranged between the middle partition plate and the door-shaped opening of the lower arched arc, below the powder sieve rotary drum and in a space area above the bottom plate, the grinding component is composed of a grinding wheel and an inner convex eccentric ring piece fixed on the inner drum wall of the powder sieve rotary drum, the grinding wheel is a ring wheel with a through shaft hole in the center and a groove ring surface with a concave V-shaped edge, the ring profile of the inner convex eccentric ring piece is an eccentric ring surface which is convex towards the ring center, the grinding wheel is positioned in the ring profile of the inner convex eccentric ring piece, the groove ring surface of the grinding wheel is matched with the ring profile of the inner convex eccentric ring piece, the central axis of the ring profile of the inner convex eccentric ring piece is parallel to the central axis of the powder sieve rotary drum, the deviation distance between the central axis of the ring profile of the inner convex eccentric ring piece and the central axis of the powder sieve rotary drum is matched with the depth of the groove ring surface of the grinding wheel, the grinding wheel is fixed on a supporting shaft in the powder sieve rotary drum through a through shaft hole, the electricity control box is fixed on an upright side plate frame of the frame box, and a main power switch, a time control switch and a motor speed regulator are arranged in the electricity control box.

The screening controlling part be fan-shaped gate valve, the screening controlling part is by the valve casing, the arc valve plate, two direction locking poles and valve handle screw rods constitute, the valve casing is by an arc roof, two fan-shaped curb plates, the casket body that two valve casing end plates constitute, be equipped with the flour export on the end plate of valve casing, the middle part of the arc roof of valve casing is equipped with a valve handle hole, be equipped with a valve handle screw thread through-hole on the arc valve plate, two guiding holes, direction locking pole is fixed in on the arc roof of valve casing through the guiding hole, in the valve handle screw thread through-hole on the arc valve plate is screwed into to valve handle screw rod one end, the arc roof is stretched out through the valve handle hole to the valve handle screw rod other end, the tip that the valve handle screw rod stretched out the valve casing is equipped with interior hexagonal spacing stop head nut outward, the valve handle screw rod that is located the arc roof is fixed with spacing washer.

Advance grain and go out powder controlling part by the valve casing drum, circular valve plate, two rotation-stopping guide bars, the cylindric valve member that valve handle spiral shell thick stick constitutes, valve casing drum internal fixation has the spacing baffle of valve handle direction, the center of the spacing baffle of valve handle screw rod is equipped with a screw rod direction spacing hole, two direction rotation-stopping pole via holes, a plurality of grain powder grid via holes, circular valve plate core portion is equipped with the screw thread through-hole, rotation-stopping guide bar is fixed in circular valve plate through the direction rotation-stopping pole via hole on the spacing baffle of valve handle screw rod, the screw thread through-hole of the circular valve plate is screwed into to the one end of valve handle spiral shell thick stick, the one end that the valve handle spiral shell thick stick stretches into the spacing hole of screw rod direction is equipped with the spacing step of axial necking down, it has interior hexagonal spacing plush copper nut to stretch out spacing baffle end fixing, be equipped with a plurality of powder check holes on the barrel face of drum.

The gluten powder storage drawer is a rectangular drawer box with an open top surface, the rectangular drawer box is composed of two end face plates, two vertical side plates and a drawer box bottom plate, the top edge of each end face plate is a four-corner-shaped plate with a downward arched arc, four frames formed by the two end face plates and the two side vertical plates are fixed on the drawer box bottom plate, a hand buckle is arranged on the two end face plates, and the end face plates are matched with the door-shaped openings.

And a manual wheel is fixed at the end part of the driving worm extending out of the worm bearing.

The invention has the beneficial effects that: the invention has the advantages of compact equipment, small space occupation, complete discharging of grain powder and bran in the machine when changing grain types and bran discharging operation, realization of the purpose of removing bran or hull without secondary screening, quantitative flour grinding, simple and convenient operation, suitability for family environment and integration of grinding and screening.

Drawings

Fig. 1 is a sectional view showing a connection structure of components of the present invention.

Fig. 2 is a schematic view of the connection structure of the speed regulating motor and the driving worm in the rack box.

Fig. 3 is a structural sectional view of the powder sieve drum of the present invention.

Fig. 4 is a cross-sectional view of the grain adding sifting powder component of the present invention.

Figure 5 is a cross-sectional structural view of a screening control of the present invention.

Fig. 6 is a structural sectional view of the grain inlet and powder outlet control of the present invention.

Fig. 7 is an axial view of the valve housing cylinder of the present invention.

Fig. 8 is a schematic structural view of the bran powder storage drawer of the present invention.

Fig. 9 is a working schematic diagram of the grain adding and discharging control of the invention during grain adding.

Fig. 10 is a schematic view of the annular space in the roller compaction pulverizing assembly filled with grain powder.

Fig. 11 is a schematic view of the annular space grain powder in the rolling pulverizing assembly of the present invention being squeezed out.

Fig. 12 is a schematic diagram of the pulverizing principle of the roller milling assembly of the present invention.

Fig. 13 is a flour discharging schematic view of the grain adding and flour discharging control of the invention.

FIG. 14 is a schematic illustration of the screening of the powder screen drum of the present invention.

Wherein: 1 is a frame box, 2 is a powder sieve rotary drum, 3 is a speed regulating motor, 4 is an electricity control box, 5 is a bran powder storage drawer, 6 is a top cover, 7 is a bottom plate, 8 is an upright side plate frame, 9 is a middle partition plate, 10 is a circular through hole, 11 is a shaft end bearing, 12 is a cross support plate, 13 is a worm bearing, 14 is a driving worm, 15 is an end cover, 16 is a cylindrical boss, 17 is a driven worm wheel, 18 is a support bearing, 19 is a support shaft, 20 is a grain and powder outlet control mounting opening, 21 is a sieving control mounting opening, 22 is a sieving control, 23 is a grain and powder outlet control, 24 is an annular side vertical plate, 25 is an annular sieve drum, 26 is a sieve screen section, 27 is a grain and powder inlet and outlet, 28 is a material rib plate, 29 is a door-shaped opening, 30 is a grinding wheel, 31 is an inward convex eccentric ring piece, 220 is a valve shell, 221 is an arc-shaped valve plate, 222 is a guide stop rotary rod, 223 is a valve handle screw rod, 224 is an end plate, 225 is a flour outlet, 226 is internal hexagonal limit stop nut, 227 is limit stop sheet, 230 is valve shell cylinder, 231 is circular valve plate, 232 is stop-rotation guide rod, 233 is valve handle screw rod, 234 is guide limit baffle, 235 is grain powder grid through hole, 236 is internal hexagonal limit stop nut, 237 is powder grid hole, 451 is end face plate, 452 is vertical side plate, 453 is drawer bottom plate, 501 is manual wheel.

The specific implementation mode is as follows:

the following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 to 14 show a household flour and sieve integrated flour machine, which comprises a frame box 1, a flour sieve drum 2, a speed regulating motor 3, an electricity control box 4 and a bran powder storage drawer 5, wherein the frame box 1 is a cuboid frame box, the frame box 1 comprises an openable top cover 6, a bottom plate 7 and a vertical side plate frame 8 with a rectangular cross section, a middle partition plate 9 vertically connected with two opposite side surfaces of the vertical side plate frame 8 is arranged in the frame box 1, the middle partition plate 9 and the vertical side plate frame 8 are both vertically fixed on the bottom plate 7, the middle upper part of the middle partition plate 9 is provided with a circular through hole 10, two side surfaces of the vertical side plate frame 8 parallel to the middle partition plate 9 are both provided with a shaft end bearing 11, the circular through hole 10 is coincident with the central axis of the shaft end bearing 11, two cross support plates 12 are arranged in an area enclosed by the middle partition plate 9 and the vertical side plate frame 8 in the frame box 1, the two cross support plates 12 are both vertically fixed on the bottom plate 7 and are perpendicular to the middle partition plate 9, one of the cross support plates 12 is fixed with a speed regulating motor 3, the two cross support plates 12 are both provided with a worm bearing 13, the central axes of the two worm bearings 13 are coincident and are perpendicular to the different surfaces of the central axis of the shaft end bearing 11, the output shaft of the speed regulating motor 3 is connected with a driving worm 14, the driving worm 14 is inserted in the worm bearings 13 on the two cross support plates 12, the middle partition plate 9 and the vertical side plate frame 8 are internally provided with a powder sieve revolving drum 2 in the other region enclosed in the frame box 1, the powder sieve revolving drum 2 is a revolving drum with end covers 15 at both ends, the central part of the outer side of each end cover 15 is provided with a cylindrical boss 16, the axis of each cylindrical boss 16 is provided with a through stepped shaft hole, the peripheral surface of the cylindrical boss 16 penetrating through the circular through hole 10 is sleeved and fixed with a driven worm wheel 17 matched with the driving worm 14, and a supporting bearing 18 is fixed in the through stepped shaft hole of each cylindrical boss 16 in a sealing and matching manner, a supporting shaft 19 is inserted in the supporting bearing 18, two ends of the supporting shaft 19 are respectively sealed and inserted in a shaft end bearing 11 of the vertical side plate frame 8, more than two grinding components and a grain adding sieving powder outlet component are also arranged in the powder sieve rotary drum 2, a grain inlet and powder outlet control mounting port 20 and a sieving control mounting port 21 are symmetrically arranged at the middle section of the powder sieve rotary drum 2 along the diameter direction, the grain adding sieving powder outlet component comprises a sieving control 22, a grain inlet and powder outlet control 23 and a sieving ring groove part with a U-shaped section and an open edge fixed on the inner cylinder wall of the powder sieve rotary drum 2, the sieving control 22 is fixed in the sieving control mounting port 21 in a matching way, the grain inlet and powder outlet control 23 is fixed in the grain inlet and powder outlet control mounting port 20 in a matching way, the sieving ring groove part comprises two annular side vertical plates 24 and an annular sieve drum 25, a sieve 26 and a grain inlet and outlet 27 are arranged on the annular sieve drum 25, the positions of the grain powder inlet and outlet 27 and the position of the grain powder inlet and outlet control mounting opening 20 are matched in an opposite way, the position of the screen mesh section 26 and the position of the screening control mounting opening 21 are matched in an opposite way, the arc length of the screen mesh section 26 is not more than one fourth of the circumference length of the annular screen cylinder 25, two sides of the grain adding screening powder outlet component are provided with material lifting rib plates 28, one side surface of the vertical side plate frame 8 which is vertical to the central axis of the end cover 15 and is adjacent to the central axis is provided with a door-shaped opening 29 with a lower arch arc at the top edge, the bran powder storage drawer 5 is arranged between the middle partition plate 9 and the door-shaped opening 29 with the lower arch arc, in a space area below the powder screen rotary cylinder 2 and above the bottom plate 7, the grinding powder component is composed of a grinding wheel 30 and an inner convex eccentric ring piece 31 fixed on the inner cylinder wall of the powder screen rotary cylinder 2, the grinding wheel 30 is an annular wheel with a through shaft hole at the center and a groove ring surface in a concave V-shaped groove ring surface, the ring contour of the inner convex eccentric ring piece 31 is an eccentric ring surface in a V-shaped convex shape towards the ring center, the grinding wheel 30 is positioned in the ring contour of the inner convex eccentric ring part 31, the ring contour of a groove of the grinding wheel 30 is matched with the ring contour of the inner convex eccentric ring part 31, the central axis of the ring contour of the inner convex eccentric ring part 31 is parallel to the central axis of the powder sieve rotary drum 2, the offset distance between the central axis of the ring contour of the inner convex eccentric ring part 31 and the central axis of the powder sieve rotary drum 2 is matched with the depth of the ring contour of the groove of the grinding wheel 30, the grinding wheel 30 is fixed on the support shaft 19 in the powder sieve rotary drum 2 through a through shaft hole, the electricity control box 4 is fixed on the vertical side plate frame 8 of the frame box 1, and a main power switch, a time control switch and a motor speed regulator are arranged in the electricity control box 4.

Screening controlling part 22 be fan-shaped gate valve, screening controlling part 22 is by valve casing 220, arc valve plate 221, two direction only swing rod 222 and valve handle screw rod 223 constitute, valve casing 220 is by an arc roof, two fan-shaped curb plates, the casket body that two valve casing end plates 224 constitute, be equipped with flour export 225 on the end plate of valve casing 220, the middle part of the arc roof of valve casing 220 is equipped with a valve handle hole, be equipped with a valve handle screw thread through-hole on the arc valve plate 221, two guiding holes, direction only swing rod 222 is fixed in on the arc roof of valve casing 220 through the guiding hole, valve handle screw rod 223 one end is screwed in the valve handle screw thread through-hole on the arc valve plate 221, the valve handle screw rod 223 other end stretches out the arc roof through the valve handle hole, valve handle screw rod 223 stretches out the tip of 220 and is equipped with interior hexagonal spacing gear nut 226 outward, the valve handle screw rod 223 that is located the arc roof is fixed with spacing washer 227.

The grain inlet and powder outlet control 23 is a cylindrical valve member composed of a valve casing cylinder 230, a circular valve plate 231, two rotation stopping guide rods 232 and a valve handle screw rod 233, a guide limiting partition plate 234 is fixed in the valve casing cylinder 230, a screw rod guide limiting hole is formed in the center of the guide limiting partition plate 234, two guide rotation stopping rod through holes, a plurality of grain powder grid through holes 235, a threaded through hole is formed in the center of the circular valve plate 231, the rotation stopping guide rods 232 are fixed on the circular valve plate 231 through the guide rotation stopping rod through holes in the guide limiting partition plate 234, one end of the valve handle screw rod 233 is screwed into the threaded through hole of the circular valve plate 231, an axial necking limiting step is formed in one end, extending into the screw rod guide limiting hole, of the valve handle screw rod 233, an inner hexagonal limiting raised head nut 236 is fixed at the end portion, and a plurality of powder outlet grid holes 237 are formed in the barrel surface of the valve casing cylinder 230.

The gluten storage drawer 5 is a rectangular drawer box with an open top, the drawer box bottom plate 453 is composed of two end panels 451, two vertical side plates 452 and one drawer box bottom plate 453, the end panels 451 are four-corner-shaped plates with arc-shaped top edges, four-side frames formed by the two end panels 451 and the two vertical side plates 452 are fixed on the drawer box bottom plate 453, the two end panels 451 are provided with hand-held buttons, and the end panels 451 are matched with the door-shaped openings 29.

A manual wheel 501 is fixed at the end of the driving worm 14 extending out of the worm bearing 13.

The first embodiment is as follows: before the invention is operated, the parts mentioned above are prepared, the frame box 1 is installed and fixed, the speed regulating motor 3, the driving worm 14 and the electricity control box 4 are fixedly assembled in the frame box 1, the powder sieve rotary drum 2 and the supporting shaft 19 are assembled and then are arranged in the frame box 1, the driven worm wheel 17 matched with the driving worm 14 is sleeved on the cylindrical boss 16 of the powder sieve rotary drum 2, the shaft end bearing 11 is assembled, the bran powder containing drawer 5 is placed, the top cover 6 of the frame box 1 is closed, the length, the width and the height of the frame box 1 are respectively 560mm, 360mm and 560mm, the power of the speed regulating motor 3 is 140 watts, the inner diameter of the powder sieve rotary drum 2 is 256mm, the length in the drum of the powder sieve rotary drum 2 is 230mm, and the rated wheat loading amount is 3.0 kg, the hexagonal limiting raised head screw cap 236 is rotated by a hexagonal wrench to enable the round valve plate 231 of the grain inlet and powder outlet control 23 to be far away from the valve shell cylinder 230 until the round valve plate is completely opened (figure 9), 2.8 kilograms of wheat are slowly added into the grain inlet and powder outlet control 23 by a hand or a funnel, at the moment, the wheat falls into the powder sieve rotary drum 2 through the grain powder grating through hole 235 and then through the gap between the round valve plate 231 and the annular sieve drum 25, after the grain is added, the hexagonal limiting raised head screw cap 236 is rotated by the hexagonal wrench to enable the round valve plate 231 of the grain inlet and powder outlet control 23 to be close to the valve shell cylinder 230 until the round valve plate is completely closed, the powder sieve rotary drum 2 is rotated to enable the sieving control 22 to be at the highest position, after the hexagonal limiting raised head screw cap 226 is rotated by the hexagonal limiting wrench to enable the arc valve plate 221 of the sieving control 22 to be tightly attached to the closed state of the annular sieve drum 25 (figure 4), the top cover 6 of the frame box 1 is closed, the total power supply is switched on, the powder preparation running time is controlled by a time control switch, starting the speed regulating motor 3 and setting the rotating speed according to the hardness of the grain, the powder sieve rotating drum 2 rotates under the driving of the speed regulating motor 3 to start crushing the grain, when the powder sieve rotating drum 2 rotates, the rolling milling component rotates along with the drum body, the grain and the powder in the powder sieve rotating drum 2 roll up and down in the drum along the rotating direction under the driving of the material lifting rib 28, because the central axis of the eccentric ring surface which is convex towards the center of the convex eccentric ring piece 31 in the rolling milling component is deviated from the central line of the rotating shaft of the powder sieve rotating drum 2, and the rotating shaft of the rolling wheel 30 is concentric with the rotating shaft of the powder sieve rotating drum 2, the gap formed between the rotating track of the concave V-shaped groove ring surface of the rolling wheel 30 and the rotating track of the eccentric ring surface of the inner convex eccentric ring piece 31 is at a certain position in the circumferential direction, and the periodic change of the gap increase or decrease occurs (see figures 10 and 11), in fig. 10 and 11, the dotted line denoted by O represents the rotation track of a certain point on the eccentric ring surface of the inner convex eccentric ring member 31, the dotted line denoted by N represents the rotation track of a certain point on the ring surface of the concave V-shaped groove of the rolling wheel 30, the denoted by E represents the gap not filled with grain powder, the denoted by a represents the gap filled with grain powder, along the rotation direction (shown by an arrow in the figure), when the gap area is at the highest position, the grain powder in the gap falls and is emptied due to the gravity, the emptied gap is filled with grain powder when the gap rotates from high to low, the gap becomes smaller when the gap filled with grain powder rotates from low to high, at the moment, the grain powder in the gap is squeezed and extruded and cracked, so that the gap (i.e. the working ring gap) between the profile of the inner convex eccentric ring member 31 and the profile of the rolling wheel 30 is filled with grain powder and the grain is squeezed and extruded and periodically crushed (see fig. 12), the grain in the figure, G represents the grain powder, when the gap between the contour of the inner convex eccentric ring piece 31 and the contour of the grinding wheel 30 is decreased from large to small at one moment, the grain powder is squeezed and extruded outwards (shown by a solid arrow in fig. 12), when the gap between the contour of the inner convex eccentric ring piece 31 and the contour of the grinding wheel 30 is increased from small to large at another moment, the gap is filled with the grain (shown by a hollow arrow in fig. 12), the grain in the powder sieve rotary drum 2 is crushed for a certain time and is changed into flour and bran, the speed regulating motor 3 stops running (can be automatically controlled by a time control switch or manually controlled), the top cover 6 of the frame box 1 is opened, the sieving control 22 is manually or electrically positioned at the highest point, the inner hexagonal limit baffle head screw cap 226 is rotated by a hexagonal spanner to enable the arc valve plate 221 of the sieving control 22 to be in an open state at the uppermost position (fig. 14), the grain feeding and powder discharging control 23 is still in a closed state at the moment, and the speed regulating motor 3 is restarted to carry out the powder sieving operation (fig. 13, fig. 12, Fig. 14), when the screen segment 26 of the sieve drum 2 is operated to be lower than the rotation axis of the sieve drum 2, the crushed flour and bran are sieved in the screen segment 26 (drum) (fig. 14, the solid arrows in fig. 14 represent the movement direction of the flour), the flour enters the sieving ring groove from the screen holes of the screen segment 26 through the flour outlet 225 on the sieving control 22, when the screen segment 26 is higher than the rotation axis of the sieve drum 2, the flour outlet control 23 is at a position lower than the rotation axis of the sieve drum 2, at this time, the flour in the sieving ring groove passes through the flour outlet grid hole 237, the flour is discharged from the nozzle of the valve casing cylinder 230 (fig. 13) of the flour inlet and outlet control 23 to the bran storage drawer 5, the bran remains in the drum of the sieve drum 2, when the flour is completely sieved, the flour is stopped to take out the flour in the bran storage drawer 5 and then put back again, the flour outlet control 23 is opened (the circular valve plate 231 is shown in fig. 6), the speed regulating motor 3 is operated to enable the flour sieve rotary drum 2 to carry out bran discharging operation, bran is discharged into the bran powder containing drawer 5 through the apertures of the circular valve plate 231 and the valve shell cylinder 230 and then through the grain powder grid through hole 235, the flour sieve rotary drum 2 is continuously operated until the bran is discharged completely, the machine is stopped to take the bran out of the bran powder containing drawer 5 and then put back again, the sieving control 22 is closed when the sieving control 22 is at the highest position, the grain inlet and outlet control 23 is closed when the grain inlet and outlet control 23 is at the highest position, the flour sieve rotary drum 2 is emptied for standby use, and the main power switch is closed, so that the purposes of quantitatively making grains into flour and sieving out the bran are achieved, the material lifting rib plate 28 ensures that the flour discharged from the milling sieve drum is clean and thorough, and the efficiency and the effect of milling and sieving are improved.

Example two: the invention is used by adopting an operation mode of adding grain in a concentrated manner and crushing the grain while discharging flour, 3 kg of wheat is added into the invention, after the grain adding operation is finished, the grain inlet and outlet control 23 is closed to ensure that the grain flour in the flour sieve rotary drum 2 can not leak from the circular valve plate 231, the sieving control 22 is opened to ensure that the arc valve plate 221 is in a fully opened state of separating from the sieve mesh of the sieve mesh section 26, the flour storage drawer 5 is placed and the top cover 6 of the frame box 1 is covered, the timing of the time switch is set, the power main switch is opened to ensure that the flour sieve rotary drum 2 operates, at the moment, if the grain is crushed to be generated to be smaller than the sieve mesh of the sieve mesh section 26, the fine flour enters the sieving ring groove from the flour outlet 225 of the sieving control 22 through the sieve mesh holes to the flour outlet grid holes 237, the flour is discharged to the flour storage drawer 5 from the valve casing cylinder 230 (figure 13) of the grain inlet and outlet control 23, and coarse grains are continuously remained in the flour rotary drum 2, along with the extension of time, when the flour in the grain flour is completely ground and discharged and only the residual bran is left in the flour sieving rotary drum 2, the machine is stopped to take out the flour in the bran flour storage drawer 5, the bran discharging operation is carried out, the bran is completely discharged, and the flour adding sieving part is in a standby state when the machine is stopped.

The invention has the advantages of compact equipment, small space occupation, complete discharging of grain powder and bran in the machine when changing grain types and bran discharging operation, realization of the purpose of removing bran or hull without secondary screening, quantitative flour grinding, simple and convenient operation, suitability for family environment and integration of grinding and screening.

Claims

1. The utility model provides an integrative flour machine of domestic powder sieve, includes that drawer (5), its characterized in that are accomodate to frame case (1), powder sieve rotary drum (2), buncher (3), accuse electric box (4) and bran powder: the rack box (1) is a cuboid rack box, the rack box (1) is composed of an openable top cover (6), a bottom plate (7) and a vertical side plate frame (8) with a rectangular section, a middle partition plate (9) vertically connected with two opposite sides of the vertical side plate frame (8) is arranged in the rack box (1), the middle partition plate (9) and the vertical side plate frame (8) are vertically fixed on the bottom plate (7), the middle upper part of the middle partition plate (9) is provided with a circular through hole (10), two side surfaces of the vertical side plate frame (8) parallel to the middle partition plate (9) are respectively provided with a shaft end bearing (11), the circular through hole (10) is superposed with the central axis of the shaft end bearing (11), two cross support plates (12) are arranged in an area enclosed by the middle partition plate (9) and the vertical side plate frame (8) in the rack box (1), the two cross support plates (12) are vertically fixed on the bottom plate (7) and are vertical to the middle partition plate (9), one of the cross support plates (12) is fixed with a speed regulating motor (3), two cross support plates (12) are respectively provided with a worm bearing (13), the central axes of the two worm bearings (13) are superposed and are perpendicular to the different surfaces of the central axis of the shaft end bearing (11), the output shaft of the speed regulating motor (3) is connected with a driving worm (14), the driving worm (14) is inserted in the worm bearings (13) on the two cross support plates (12), a middle partition plate (9) and a vertical side plate frame (8) are internally provided with a powder sieve rotary drum (2) in the other area enclosed in the frame box (1), the powder sieve rotary drum (2) is a rotary drum with end covers (15) at two ends, the central part of the outer side of each end cover (15) is provided with a cylindrical boss (16), the axial center of each cylindrical boss (16) is provided with a step-shaped shaft hole, and a driven worm gear (14) matched with the driving worm is fixedly sleeved on the outer peripheral surface of the cylindrical boss (16) penetrating through the circular through hole (10) 17) The stepped through shaft hole of each cylindrical boss (16) is internally fixed with a supporting bearing (18) in a sealing fit manner, a supporting shaft (19) is inserted in the supporting bearing (18), two ends of the supporting shaft (19) are respectively inserted in the shaft end bearings (11) of the vertical side plate frames (8) in a sealing manner, more than two grinding powder components and a grain adding screening powder outlet component are further arranged in the powder sieve rotary drum (2), the middle section of the powder sieve rotary drum (2) is symmetrically provided with a grain inlet and powder outlet control mounting port (20) and a screening control mounting port (21) along the diameter direction, the grain adding screening powder outlet component is composed of a screening control (22), a grain inlet and powder outlet control (23) and a screening ring groove component with a U-shaped section and an open edge fixed on the inner wall of the powder sieve rotary drum (2), and the screening control (22) is fixed in the screening control mounting port (21) in a matching manner, the grain and powder inlet control (23) is fixed in the grain and powder outlet control mounting opening (20) in a matched manner, the screening annular groove part is composed of two annular side vertical plates (24) and an annular screen drum (25), the annular screen drum (25) is provided with a screen section (26) and a grain and powder inlet and outlet (27), the position of the grain and powder inlet and outlet (27) is just matched with the position of the grain and powder outlet control mounting opening (20), the position of the screen section (26) is just matched with the position of the screening control mounting opening (21), the arc length of the screen section (26) is not more than one fourth of the circumference of the annular screen drum (25), two sides of the grain-adding screening powder outlet part are provided with lifting rib plates (28), one side surface of the vertical side plate frame (8) which is vertical to the central axis of the end cover (15) and is adjacent to the central axis is provided with a door-shaped opening (29) with a top edge in a lower arc shape, and the bran and powder storage drawer (5) is arranged between the middle partition plate (9) and the door-shaped opening (29) in a lower arc shape, In the space area below the powder sieve rotary drum (2) and above the bottom plate (7), the grinding component comprises a grinding wheel (30) and an inner convex eccentric ring piece (31) fixed on the inner wall of the powder sieve rotary drum (2), the grinding wheel (30) is a ring wheel which is provided with a through shaft hole at the center and has a concave groove ring surface with an inward concave V-shaped edge, the ring profile of the inner convex eccentric ring piece (31) is an eccentric ring convex surface which is convex towards the ring center in a V-shaped way, the grinding wheel (30) is positioned in the ring profile of the inner convex eccentric ring piece (31), the concave groove ring surface of the grinding wheel (30) is matched with the ring profile of the inner convex eccentric ring piece (31), the central axis of the ring profile of the inner convex ring piece (31) is parallel to the central axis of the powder sieve rotary drum (2), the deviation distance between the central axis of the ring profile of the inner convex eccentric ring piece (31) and the central axis of the powder sieve rotary drum (2) is matched with the depth of the concave groove ring surface of the grinding wheel (30), the grinding wheel (30) is fixed on a supporting shaft (19) in the powder sieve rotary drum (2) through a through shaft hole, the electricity control box (4) is fixed on a vertical side plate frame (8) of the frame box (1), and a main power switch, a time control switch and a motor speed regulator are arranged in the electricity control box (4).

2. The household flour sieving and sieving integrated machine as claimed in claim 1, wherein: the screening control part (22) is a fan-shaped gate valve, the screening control part (22) consists of a valve casing (220), an arc valve plate (221), two guide rotation stopping rods (222) and a valve handle screw rod (223), the valve casing (220) is a box body consisting of an arc top plate, two sector side plates and two valve casing end plates (224), a flour outlet (225) is formed in the end plate of the valve casing (220), a valve handle hole is formed in the middle of the arc top plate of the valve casing (220), a valve handle thread through hole is formed in the arc valve plate (221), two guide holes are formed in the guide rotation stopping rods (222), the guide rotation stopping rods are fixed on the arc top plate of the valve casing (220) through the guide holes, one end of the valve handle screw rod (223) is screwed into the valve handle thread through hole in the arc valve plate (221), the other end of the valve handle screw rod (223) extends out of the arc top plate through the valve handle hole, an inner hexagonal limit stop head nut (226) is arranged outside the end part of the valve casing screw rod (223) extending out of the arc valve casing (220), a valve handle screw (223) positioned in the arc-shaped top plate is fixed with a limit stop piece (227).

3. The household flour sieving and sieving integrated machine as claimed in claim 1, wherein: the grain inlet and powder outlet control part (23) is a cylindrical valve part consisting of a valve shell cylinder (230), a circular valve plate (231), two rotation stopping guide rods (232) and a valve handle screw rod (233), a guide limiting partition plate (234) is fixed in the valve shell cylinder (230), a screw rod guide limiting hole is formed in the center of the guide limiting partition plate (234), two guide rotation stopping rod through holes and a plurality of grain powder grating through holes (235), a threaded through hole is formed in the center of the circular valve plate (231), the rotation stopping guide rods (232) are fixed on the circular valve plate (231) through the guide rotation stopping rod through holes in the guide limiting partition plate (234), one end of the valve handle screw rod (233) is screwed into the threaded through hole of the circular valve plate (231), an axial necking limiting step is formed in one end, extending into the screw rod guide limiting hole, an inner hexagonal limiting raised head nut (236) is fixed at the end part, extending out of the limiting partition plate, the surface of the valve shell cylinder (230) is provided with a plurality of powder outlet grid holes (237).

4. The household flour sieving and sieving integrated machine as claimed in claim 1, wherein: the gluten powder storage drawer (5) is a rectangular drawer box with an open top surface and formed by two end panels (451), two vertical side panels (452), a drawer box bottom plate (453) is arranged, the end panels (451) are four-corner-shaped plates with top edges being arc-shaped downwards, four-side frames formed by the two end panels (451) and the two vertical side panels (452) are fixed on the drawer box bottom plate (453), the two end panels (451) are provided with hand-held buckles, and the end panels (451) are matched with the door-shaped openings (29).

5. The household flour sieving and sieving integrated machine as claimed in claim 1, wherein: and a manual wheel (501) is fixed at the end part of the driving worm (14) extending out of the worm bearing (13).