CN216500001U

CN216500001U - A energy-efficient wheat magnet separator for flour production

Info

Publication number: CN216500001U
Application number: CN202123260772.3U
Authority: CN
Inventors: 刘艳果; 刘艳平; 杜立红; 张立辉; 张燕; 刘琪暄; 刘项宇
Original assignee: Handan Jiuheng Flour Co ltd
Current assignee: Handan Jiuheng Flour Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-13
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a high-efficiency energy-saving wheat magnetic separator for flour production, which comprises a machine body, a rotating shaft, a roller, a feed hopper and a driving device, wherein an outer guide rail and a plurality of magnetic suction mechanisms are arranged in the roller; the magnetic suction mechanism comprises a telescopic connecting device and a permanent magnet, wherein one end of the telescopic connecting device is connected with the rotating shaft, and the other end of the telescopic connecting device is connected with the permanent magnet; the outer guide track comprises a strong magnetic arc track section and a weak magnetic arc track section. Drive arrangement drive drum and permanent magnet rotate, make the permanent magnet be close, keep away from the cylinder inner wall, the permanent magnet is when being close the cylinder inner wall, magnetic attraction is strongest, can adsorb impurity such as iron fillings on the cylinder, the permanent magnet is when keeping away from the cylinder inner wall, magnetic attraction weakens gradually, when adsorption affinity is less than the gravity of impurity, ferromagnetic impurity separation such as cylinder and iron fillings, realize the automatic clearance function of impurity, the energy consumption is low, and is efficient, and is energy-conserving effectual.

Description

A energy-efficient wheat magnet separator for flour production

Technical Field

The utility model relates to the technical field of flour production equipment, in particular to a high-efficiency energy-saving wheat magnetic separator for flour production.

Background

Ferromagnetic impurities such as scrap iron and the like mixed in the wheat raw material need to be removed before flour milling, so that pollution to flour quality and damage to a flour mill are avoided. The existing removing mode mainly picks through manpower, so that the production efficiency is low, and the picking is not clean. Also there is the mode of carrying out the magnetic separation through the magnet separator to the wheat, but uses the electromagnetism mode to carry out the magnetic separation and has power consumption big, the drawback that energy-conservation is poor, uses the permanent magnetism mode to carry out the magnetic separation and has the drawback of difficult clearance, still needs ferromagnetic impurity such as iron fillings of artifical clearance absorption in the magnet separator.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an efficient and energy-saving wheat magnetic separator for flour production, aiming at the technical problems.

In order to achieve the purpose, the embodiment of the utility model provides a high-efficiency energy-saving wheat magnetic separator for flour production, which comprises a machine body, a rotating shaft rotatably installed inside the machine body, a roller fixedly installed on the rotating shaft and coaxially arranged with the rotating shaft, a feed hopper installed at the top of the machine body and communicated with the inside of the machine body, and a driving device in transmission connection with the rotating shaft, wherein an outer guide rail and a plurality of magnetic suction mechanisms are arranged in the roller, and the outer guide rail is fixedly connected with the machine body; the magnetic attraction mechanism comprises a telescopic connecting device and a permanent magnet, wherein one end of the telescopic connecting device is connected with the rotating shaft, and the other end of the telescopic connecting device is connected with the permanent magnet; the outer guide track comprises a strong magnetic arc track section and a weak magnetic arc track section, and the distance between the strong magnetic arc track section and the inner wall of the roller is smaller than the distance between the weak magnetic arc track section and the inner wall of the roller; the driving device drives the permanent magnet to move along the track of the outer guide rail, so that the permanent magnet is close to or far away from the inner wall of the roller.

Preferably, scalable connecting device includes dead lever, sleeve, slider and gyro wheel, sleeve one end and permanent magnet fixed connection, slidable mounting has the slider in the sleeve, the slider is fixed with the dead lever in the one end of permanent magnet dorsad, the dead lever other end extends the sleeve and is connected with the pivot, install the gyro wheel on the sleeve, the gyro wheel is located outer guide rail inboard and cooperatees with outer guide rail.

Preferably, the telescopic connection device further comprises a pressure spring, the pressure spring is installed in the sleeve, and one end of the pressure spring is connected with the inner wall of the sleeve, while the other end is connected with the sliding block.

Preferably, an inner guide rail is further arranged in the roller and on the inner side of the outer guide rail, the inner guide rail is fixedly connected with the machine body, the track of the inner guide rail is matched with that of the outer guide rail, and the roller is located between the outer guide rail and the inner guide rail.

Preferably, a mounting seat is fixed on the rotating shaft, the fixing rods are fixedly mounted on the mounting seat and are circumferentially distributed along the axis of the rotating shaft, the cross section of each sliding block is rectangular, and the inner cavity of each sleeve is matched with the corresponding sliding block.

Preferably, the outer wall of the roller is fixed with limit ring discs on two sides of the feed hopper, and the limit ring discs and the arc surface of the roller form a screening channel for wheat raw materials to pass through.

Preferably, a material guide plate which is obliquely arranged is fixed below the feed hopper and is arranged in the machine body, and the material guide plate is used for guiding materials in the feed hopper into a roller above the strong magnetic arc-shaped track section.

Preferably, a rebound plate is fixed on the inner wall of the machine body and positioned between the screening channels, and the rebound plate is positioned on the outer side of the strong magnetic arc-shaped track section.

Preferably, the lower part of the machine body is provided with a wheat discharging channel and a magnetic impurity discharging channel, and the magnetic impurity discharging channel corresponds to the weak magnetic arc-shaped track section and is positioned below the weak magnetic arc-shaped track section.

Preferably, a cleaning brush is fixed on the inner wall of the machine body and positioned between the screening channels, the cleaning brush is positioned at the obliquely upper part of the weak magnetic arc-shaped track section, and the cleaning brush is in contact fit with the roller.

Compared with the prior art, the technical scheme has the following beneficial effects:

1. drive arrangement drive drum and permanent magnet rotate, make the permanent magnet be close, keep away from the cylinder inner wall, the permanent magnet is when being close the cylinder inner wall, and magnetic attraction is strongest, can adsorb impurity such as iron fillings on the cylinder, and the permanent magnet is when keeping away from the cylinder inner wall, and magnetic attraction weakens gradually, and when adsorption affinity is less than the gravity of impurity, ferromagnetic impurity separation such as cylinder and iron fillings realizes the automatic clearance function of impurity.

2. The single power of the driving device is used for realizing the functions of magnetic separation and waste chip separation of the wheat, and the device has the advantages of low energy consumption, high efficiency and good energy-saving effect;

3. through the arrangement of the rebound plate, impurities such as wheat raw materials, scrap iron and the like on the roller can be splashed onto the rebound plate and then rebound to the surface of the roller for adsorption, so that the magnetic separation effect is improved;

4. through the arrangement of the wheat discharging channel and the magnetic impurity discharging channel, the magnetically-separated wheat directly enters the wheat discharging channel and is guided out by the wheat discharging channel, and impurities such as scrap iron and the like are separated from the roller in an area with weaker magnetic force of the roller, fall to the magnetic impurity discharging channel and are guided out by the magnetic impurity discharging channel, so that the wheat and the impurities can be conveniently collected;

5. through setting up the cleaning brush, can clear up the cylinder surface, the brush removes the residual sweeps that adheres to on the cylinder, improves sweeps clearance effect, is convenient for carry out the magnetic separation operation of wheat better.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a top view of example 1;

FIG. 4 is a schematic structural view of embodiment 2;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

in the figure, 1, a machine body; 11. a material guide plate; 12. a rebound plate; 13. a wheat discharge channel; 14. a magnetic impurity discharge channel; 15. a cleaning brush; 2. a rotating shaft; 21. a mounting seat; 3. a drum; 31. a limit ring disc; 32. screening a channel; 4. a feed hopper; 5. a drive device; 6. an outer guide rail; 61. a ferromagnetic arcuate track segment; 62. a weak magnetic arc track section; 7. a magnetic attraction mechanism; 71. a retractable connection; 711. fixing the rod; 712. a sleeve; 713. a slider; 714. a roller; 715. a pressure spring; 72. a permanent magnet; 8. an inner guide track.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Example 1

Referring to fig. 1-3, an embodiment of the present application provides an energy-efficient wheat magnetic separator for flour production, including a machine body 1, a rotating shaft 2 rotatably installed inside the machine body 1, a roller 3 fixedly installed on the rotating shaft 2 and coaxially disposed with the rotating shaft 2, a feed hopper 4 installed at the top of the machine body 1 and communicated with the inside of the machine body 1, and a driving device 5 in transmission connection with the rotating shaft 2, wherein an outer guide rail 6 and a plurality of magnetic attraction mechanisms 7 are disposed in the roller 3, the outer guide rail 6 is fixedly connected with the machine body 1, an opening is disposed on one end face of the roller 3, and the outer guide rail 6 is fixedly connected with the machine body 1 through a connecting rod passing through the opening; the magnetic attraction mechanism 7 comprises a telescopic connecting device 71 and a permanent magnet 72, one end of the telescopic connecting device 71 is connected with the rotating shaft 2, and the other end of the telescopic connecting device 71 is connected with the permanent magnet 72; the outer guide track 6 comprises a strong magnetic arc track section 61 and a weak magnetic arc track section 62, and the distance between the strong magnetic arc track section 61 and the inner wall of the roller 3 is smaller than the distance between the weak magnetic arc track section 62 and the inner wall of the roller 3; the driving device 5 drives the permanent magnet 72 to move along the track of the outer guide rail 6, so that the permanent magnet 72 is close to or far away from the inner wall of the roller 3.

The driving device 5 is a speed reducing motor, and the driving device 5 is connected with the rotating shaft 2 through a coupler and also can be connected with the rotating shaft 2 through a chain transmission assembly or a belt transmission assembly; two intersection points of the strong magnetic arc-shaped track section 61 and the weak magnetic arc-shaped track section 62 are positioned right above and right below the rotating shaft 2; the roller 3 is preferably made of PVC or nylon and other plastics which are non-magnetic materials; the driving device 5 drives the rotating shaft 2, the roller 3, the telescopic connecting device 71 and the permanent magnet 72 to rotate, when the permanent magnet 72 moves along the track of the strong magnetic arc-shaped track section 61, the distance from the permanent magnet 72 to the inner wall of the roller 3 is the closest, the permanent magnet is close to the inner wall of the roller 3, the magnetic attraction force of the area of the roller 3 outside the strong magnetic arc-shaped track section 61 is the strongest, materials in the feed hopper 4 are firstly contacted with the roller 3 outside the strong magnetic arc-shaped track section 61, iron filings and other ferromagnetic impurities are adsorbed on the outer wall of the roller 3, and wheat falls under the action of gravity and is separated from the iron filings and other ferromagnetic impurities; when permanent magnet 72 descends to the lower extreme, can be removed to weak magnetism arc track section 62 by strong magnetism arc track section 61 on, permanent magnet 72 is kept away from 3 inner walls of cylinder earlier gradually on weak magnetism arc track section 62 and is close to 3 inner walls of cylinder gradually again, scalable connecting device 71 changes length along with it is flexible, 3 regional magnetic attraction forces of cylinder in the weak magnetism arc track section 62 outside are the weakest, the adsorption affinity is less than the gravity of impurity, iron fillings such as on the 3 outer walls of cylinder receive gravity whereabouts, realize the automatic clearance function of impurity.

On the basis of the above scheme, preferably, the telescopic connection device 71 includes a fixing rod 711, a sleeve 712, a slider 713, a roller 714 and a pressure spring 715, one end of the sleeve 712 is fixedly connected with the permanent magnet 72, the slider 713 is slidably mounted in the sleeve 712, the fixing rod 711 is fixed at the end of the slider 713, which faces away from the permanent magnet 72, the other end of the fixing rod 711 extends out of the sleeve 712 and is connected with the rotating shaft 2, the roller 714 is mounted on the sleeve 712, the roller 714 is located on the inner side of the outer guide rail 6 and is matched with the outer guide rail 6, the pressure spring 715 is mounted in the sleeve 712, one end of the pressure spring 715 is connected with the inner wall of the sleeve 712, and the other end is connected with the slider 713.

When the telescopic connecting device 71 rotates, under the action of the elastic force of the pressure spring 715, the roller 714 is always in rolling connection with the outer guide rail 6, the outer guide rail 6 limits the position of the permanent magnet 72, when the roller 714 moves from the strong magnetic arc-shaped rail section 61 to the weak magnetic arc-shaped rail section 62, the distance between the weak magnetic arc-shaped rail section 62 and the rotating shaft 2 is gradually reduced and then increased, the pressure spring 715 is gradually compressed and then restored, and the sliding block 713 slides in the sleeve 712 in the process, so that the overall length of the telescopic connecting device 71 is changed.

On the basis of the above scheme, preferably, the rotating shaft 2 is fixed with the mounting seat 21, the fixing rods 711 are fixedly mounted on the mounting seat 21 and circumferentially distributed along the axis of the rotating shaft 2, and the fixing rods 711 can be conveniently mounted on the rotating shaft 2 by arranging the mounting seat 21; the section of the sliding block 713 is rectangular, and the inner cavity of the sleeve 712 is matched with the sliding block 713, so that the fixing rod 711 can be prevented from rotating relative to the sleeve 712, and the permanent magnet 72 can be prevented from rotating in the turnover process.

On the basis of the above scheme, preferably, the outer wall of the roller 3 and the two sides of the feed hopper 4 are fixed with limit ring discs 31, and the limit ring discs 31 and the arc surface of the roller 3 form a screening channel 32 for wheat raw materials to pass through. Through setting up spacing ring dish 31, constitute screening passageway 32, the wheat raw materials of deriving in the feeder hopper 4 can directly get into screening passageway 32, is convenient for carry out the magnetic separation operation.

On the basis of the above scheme, preferably, a material guide plate 11 is fixed in the machine body 1 and below the feed hopper 4, and the material guide plate 11 is used for guiding the material in the feed hopper 4 into the roller 3 above the strong magnetic arc-shaped track section 61. Through setting up stock guide 11, can avoid the material in the feeder hopper 4 to get into the cylinder 3 department of weak magnetism arc track section 62 top, lead to wheat magnetic separation effect poor.

On the basis of the above scheme, preferably, the inner wall of the machine body 1 is provided with the rebound plate 12 between the screening channels 32, and the rebound plate 12 is positioned outside the strong magnetic arc-shaped track section 61. Through setting up bounce-back board 12, can make impurity such as wheat raw materials and iron fillings on the cylinder 3 splash to bounce-back board 12 on the back, can be adsorbed by bouncing back 3 surfaces of cylinder.

On the basis of the above scheme, preferably, the lower part of the machine body 1 is provided with a wheat discharging channel 13 and a magnetic impurity discharging channel 14, and the magnetic impurity discharging channel 14 corresponds to the weak magnetic arc-shaped track section 62 and is positioned below the weak magnetic arc-shaped track section 62. The wheat discharging channel 13 corresponds to the strong magnetic arc-shaped track section 61 and is positioned below the strong magnetic arc-shaped track section 61. The wheat after the magnetic separation directly gets into wheat discharging channel 13, is derived by wheat discharging channel 13, and impurity such as iron fillings breaks away from cylinder 3 in the region that cylinder 3 magnetic force is weaker, falls to magnetic impurities discharging channel 14, is derived by magnetic impurities discharging channel 14.

On the basis of the above scheme, preferably, the cleaning brush 15 is fixed on the inner wall of the machine body 1 and positioned between the screening channels 32, the cleaning brush 15 is positioned at the obliquely upper part of the weak magnetic arc-shaped track section 62, and the cleaning brush 15 is in contact fit with the roller 3. By providing the cleaning brush 15, the surface of the drum 3 can be cleaned, and the residual scraps attached to the drum 3 can be brushed off.

Example 2

Referring to fig. 4 and 5, the present embodiment is substantially the same as embodiment 1, except that a compression spring 715 is not provided in the retractable connecting device 71, an inner guide rail 8 is provided inside the drum 3 and inside the outer guide rail 6, the inner guide rail 8 is fixedly connected with the machine body 1, the inner guide rail 8 is adapted to the track of the outer guide rail 6, and a roller 714 is provided between the outer guide rail 6 and the inner guide rail 8. The inner guide rail 8 is fixedly connected with the machine body 1 through a connecting rod passing through the opening.

Through setting up interior guide rail 8, restriction permanent magnet 72 is apart from the farthest position of cylinder 3 inner wall, and interior guide rail 8 can be at carrier roller 714 for permanent magnet 72 can be close the cylinder 3 inner wall in the strong arc track section upper portion outside, is convenient for adsorb iron fillings impurity.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. A high-efficiency energy-saving wheat magnetic separator for flour production comprises a machine body, a rotating shaft rotatably mounted in the machine body, a roller fixedly mounted on the rotating shaft and coaxially arranged with the rotating shaft, a feed hopper mounted at the top of the machine body and communicated with the interior of the machine body, and a driving device in transmission connection with the rotating shaft, and is characterized in that an outer guide rail and a plurality of magnetic suction mechanisms are arranged in the roller, and the outer guide rail is fixedly connected with the machine body; the magnetic attraction mechanism comprises a telescopic connecting device and a permanent magnet, wherein one end of the telescopic connecting device is connected with the rotating shaft, and the other end of the telescopic connecting device is connected with the permanent magnet; the outer guide track comprises a strong magnetic arc track section and a weak magnetic arc track section, and the distance between the strong magnetic arc track section and the inner wall of the roller is smaller than the distance between the weak magnetic arc track section and the inner wall of the roller; the driving device drives the permanent magnet to move along the track of the outer guide rail, so that the permanent magnet is close to or far away from the inner wall of the roller.

2. The efficient energy-saving wheat magnetic separator for flour production as claimed in claim 1, wherein the telescopic connection device comprises a fixing rod, a sleeve, a slider and a roller, one end of the sleeve is fixedly connected with the permanent magnet, the slider is slidably mounted in the sleeve, one end of the slider, which faces away from the permanent magnet, is fixed with the fixing rod, the other end of the fixing rod extends out of the sleeve and is connected with the rotating shaft, the roller is mounted on the sleeve, and the roller is located on the inner side of the outer guide track and is matched with the outer guide track.

3. The efficient energy-saving wheat magnetic separator for flour production according to claim 2, wherein the telescopic connection device further comprises a pressure spring, the pressure spring is installed in the sleeve, and one end of the pressure spring is connected with the inner wall of the sleeve while the other end is connected with the sliding block.

4. The efficient energy-saving wheat magnetic separator for flour production as claimed in claim 2, wherein an inner guide rail is further arranged in the roller and located on the inner side of the outer guide rail, the inner guide rail is fixedly connected with the machine body, the inner guide rail is matched with the outer guide rail in track, and the rollers are located between the outer guide rail and the inner guide rail.

5. The efficient energy-saving wheat magnetic separator for flour production as claimed in any one of claims 2 to 4, wherein the rotating shaft is fixed with a mounting seat, the fixing rods are fixedly mounted on the mounting seat and circumferentially distributed along the axis of the rotating shaft, the cross section of the sliding block is rectangular, and the inner cavity of the sleeve is matched with the sliding block.

6. The efficient energy-saving wheat magnetic separator for flour production as claimed in claim 5, wherein limiting ring discs are fixed on the outer wall of the roller and located on two sides of the feed hopper, and the limiting ring discs and the arc surface of the roller form a screening channel for wheat raw materials to pass through.

7. The efficient energy-saving wheat magnetic separator for flour production as claimed in claim 6, wherein a guide plate arranged obliquely is fixed in the machine body and below the feed hopper, and the guide plate is used for guiding the materials in the feed hopper into the roller above the strong magnetic arc-shaped track section.

8. The efficient energy-saving wheat magnetic separator for flour production as claimed in claim 7, wherein a rebound board is fixed on the inner wall of the separator body and between the screening channels, and the rebound board is located outside the strong magnetic arc-shaped track section.

9. The efficient energy-saving wheat magnetic separator for flour production as claimed in claim 8, wherein the lower part of the separator body is provided with a wheat discharging channel and a magnetic impurity discharging channel, and the magnetic impurity discharging channel corresponds to and is located below the weak magnetic arc track section.

10. The efficient energy-saving wheat magnetic separator for flour production as claimed in claim 9, wherein cleaning brushes are fixed on the inner wall of the separator body and located between the screening channels, the cleaning brushes are located obliquely above the weak magnetic arc-shaped track section, and the cleaning brushes are in contact fit with the rollers.