CN216492687U - Automatic grain storage tank in vacuum - Google Patents

Abstract

The utility model belongs to the technical field of grain storage, and particularly relates to an automatic vacuum grain storage box which comprises a closed container and a vacuumizing device, wherein the closed container is composed of an upper shell, a lower plate and an upper cover plate, the vacuumizing device is used for extracting air in the closed container, a fixed ceramic chip is arranged on the closed container, a grain outlet communicated with an inner cavity of the closed container is formed in the fixed ceramic chip, and a movable ceramic chip which is driven by a power device to seal and open the grain outlet is arranged at the grain outlet. The utility model can effectively seal the grain outlet, thereby effectively preventing air from entering the sealed container through the grain outlet and keeping the freshness of grains.

Description

Automatic grain storage tank in vacuum

The technical field is as follows:

the utility model belongs to the technical field of grain storage, and particularly relates to an automatic vacuum grain storage box.

Background art:

during the storage process of the grains, if the grains are contacted with the air for a long time, water molecules in the air can damp the grains and deteriorate, and microorganisms in the air can cause the grains to deteriorate. In order to delay the deterioration of grains, a method for storing grains in vacuum is urgently needed to be found.

Chinese utility model patent CN210641898U discloses an evacuation pet feeding machine, which comprises a bottom cover, a front shell, a rear shell and a cap, wherein the front shell and the rear shell are spliced together, the bottom cover is fixedly spliced at the bottom of the front shell and the bottom of the rear shell, the cap is positioned above the front shell and the rear shell, the rear shell is connected with a power cord, the lower side of the front shell is provided with a discharge hole, a dinner plate is arranged below the discharge hole, and the edge of the upper surface of the bottom cover is vertically provided with a plurality of support columns; the supporting column is provided with an inner container, the side wall of the inner container is fixedly connected with the front shell and the rear shell through screws, and the rear side wall of the inner container is provided with a main board for controlling the feeding machine to work; a container is arranged in the inner container, a material distribution mechanism is arranged at the bottom of the container, the material distribution mechanism is rotatably connected to the bottom of the container and penetrates through the bottom of the inner container, a second bevel gear penetrates through one end of the material distribution mechanism, a first bevel gear meshed with the second bevel gear is arranged on the side edge of the second bevel gear, a first motor is connected to the first bevel gear, and the first motor is fixedly mounted on the lower surface of the bottom of the inner container; the bottom surfaces of the inner container and the container are respectively provided with a material hole at the same position, the two material holes are communicated with each other, a through-blocking switching mechanism capable of blocking the material holes is arranged below the material holes, and the through-blocking switching mechanism is fixed on the bottom cover; the improved air pump is characterized in that a rotating shaft support is arranged at the top of the rear shell, the cap is rotatably connected to the rotating shaft support, an air pumping hole is formed in the bottom of the cap, an air pump is arranged inside the cap, and an air pumping port of the air pump is communicated with the air pumping hole. The plug switching mechanism comprises a support with a T groove, a flat rail rear pressing plate and a flat rail front pressing plate, wherein the flat rail rear pressing plate and the flat rail front pressing plate are respectively fixed on two long edges of the support, the support is fixedly arranged on the upper surface of a bottom cover, a vertically downward motor II is arranged on the flat rail rear pressing plate, an output shaft of the motor II penetrates through the flat rail rear pressing plate and is arranged in a groove of a short edge of the T groove, a gear is arranged in a groove of the short edge of the T groove, the gear is fixedly connected with an output shaft of the motor II, a flat rail is arranged in a groove of the long edge of the T groove, a rack is fixedly connected to one side of the flat rail close to the short edge of the T groove, the rack is meshed with the gear, an inclined rail plug is fixedly connected to the upper part of the flat rail, a front guide plate and a rear guide plate are respectively arranged on the front side and the rear side of the inclined rail, and the front guide plate is attached to the flat rail front pressing plate, the funnel is characterized in that the front pressing plate can slide along the flat rail, the rear guide plate is attached to the rear pressing plate of the flat rail and can slide along the rear pressing plate of the flat rail, the front guide plate and the rear guide plate are fixedly connected through screws, the plugs are clamped in the middle of the front guide plate and the rear guide plate, one side of the front guide plate, which is clamped with the plugs, is provided with a linkage rod in a rotating mode, and one end, far away from the front guide plate, of the linkage rod is connected to the bottom of the funnel in a rotating mode.

Although the air pump is used for pumping away the air in the container, the sealing effect of the device is poor when the material hole is blocked by the plug, and the air can enter the container through the gap between the plug and the material hole, so that the grains deteriorate.

The utility model content is as follows:

the utility model aims to provide a vacuum automatic grain storage box which can effectively seal a grain outlet, further effectively prevent air from entering a closed container through the grain outlet and keep the freshness of grains.

The utility model is realized by the following steps:

a vacuum automatic grain storage box comprises a closed container and a vacuumizing device, wherein the closed container is composed of an upper shell, an upper shell lower plate and an upper cover plate, the vacuumizing device is used for pumping air in the closed container, a ceramic fixing piece is arranged on the closed container, a grain outlet communicated with an inner cavity of the closed container is formed in the ceramic fixing piece, and a movable ceramic piece which is driven by a power device to seal and open the grain outlet is arranged at the grain outlet.

In the automatic vacuum grain storage box, the ceramic fixing piece can be fixed on the outer side of the lower plate of the upper shell; the fixed ceramic chip can also be fixed on the outer side of the upper shell; the mounting structure of the ceramic tile can also be as follows: the upper shell or the lower plate of the upper shell is provided with a through hole, and the ceramic fixing piece is arranged on the inner ring of the through hole.

In the automatic vacuum grain storage box, food-grade lubricating grease is arranged between the fixed ceramic chip and the movable ceramic chip; a sealing strip sleeved on the upper cover plate is arranged between the upper cover plate and the upper shell, and an annular groove is formed in the side surface of the sealing strip, which is in contact with the upper shell, so that two seals are formed; the upper shell lower plate can be connected to the lower end of the upper shell through welding, and the upper shell lower plate can also be integrally formed.

In the automatic vacuum grain storage box, the ceramic chip is provided with a lubricating grease mounting groove, and the food-grade lubricating grease is arranged in the lubricating grease mounting groove.

In the automatic grain case that stores up in foretell vacuum, move the ceramic wafer laminating and decide ceramic chip and seal grain outlet, move the ceramic wafer and move along the binding face.

In the above-mentioned automatic grain storage case in vacuum, power device's structure can be: the power device comprises a linear motor, and the linear motor drives the movable ceramic plate to move horizontally so as to seal and open the movable ceramic plate of the grain outlet.

In the above-mentioned automatic grain storage box in vacuum, power device's structure can also be: the power device comprises a rotary power piece, a rotary support is arranged on a rotating shaft of the rotary power piece, a support mounting groove matched with the rotary support is formed in the movable ceramic piece, the rotary support is arranged in the support mounting groove, and the rotating shaft of the rotary power piece is driven by the rotary support to rotate.

The automatic vacuum grain storage box further comprises an angle sensor for detecting the rotation angle of the rotating support, the angle sensor comprises a magnet, a first Hall sensor and a second Hall sensor, the magnet, the first Hall sensor and the second Hall sensor are arranged on the rotating support, and when the movable ceramic plate seals the grain outlet, the position of the magnet corresponds to that of the first Hall sensor; when the movable ceramic plate opens the grain outlet, the position of the magnet corresponds to the Hall sensor two phase.

In the automatic vacuum grain storage box, the rotary power part is fixed on the lower plate of the upper shell through a screw, and the rotary power part is a rotary motor or a rotary cylinder.

In foretell automatic grain case that stores up in vacuum, runing rest is including radially fixing at the epaxial fixed part of rotating power spare and setting up actuating lever one and actuating lever two on the fixed part, actuating lever one is L shape with actuating lever two, the one end, actuating lever one and actuating lever two that rotating power spare was kept away from to the fixed part all set up in the support mounting groove, be equipped with between fixed part and the rotating power spare and make and move the compression spring that the pottery porcelain piece was hugged closely all the time.

In the vacuum automatic grain storage box, the compression spring is sleeved on the rotating shaft of the rotating power part.

In the automatic vacuum grain storage box, the vacuumizing device comprises a vacuum pump and an air pipe for connecting an air pumping port of the vacuum pump and an air pumping hole of the closed container, and the air pipe is provided with a one-way valve for limiting air to flow to the closed container.

In the automatic vacuum grain storage box, the ceramic fixing piece is arranged on the lower plate of the upper shell, a grain storage barrel for storing grains and a grain distribution bin which is positioned below the grain storage barrel and communicated with the grain outlet are arranged in the closed container, a lower grain hole leading to the grain distribution bin is formed in the bottom of the grain storage barrel, a grain distribution device driven by a driving device to rotate is arranged in the grain distribution bin, the grain distribution device divides the grain distribution bin into more than two grain placing areas, and the grain placing hole and the grain outlet are positioned in different grain placing areas.

In foretell automatic grain storage box in vacuum, drive arrangement is including being located the branch grain motor of epitheca hypoplastron below, radially is fixed with the connecting axle in the pivot of dividing the grain motor, and the connecting axle upper end passes the epitheca hypoplastron and stretches into and divide the granary to connect and divide the grain pivot, be equipped with the O type circle of suit on the connecting axle between connecting axle and the epitheca hypoplastron, be equipped with axial spring between connecting axle and the branch grain motor pivot, divide the grain ware to connect in dividing the grain pivot, divide grain pivot upper end to stretch into and store up grain bucket in-connection and prevent blocking grain rotor.

In the automatic grain storage box in vacuum, still include the photoelectric sensor who detects the connecting axle rotation angle.

In foretell automatic grain case that stores up in vacuum, divide the grain motor to fix on the epitheca hypoplastron through the screw, O type circle is provided with two from top to bottom at interval, and the connecting axle passes through the bearing with the epitheca hypoplastron and rotates to be connected, the bearing is located O type circle top.

In the automatic vacuum grain storage box, the grain divider comprises a connecting part connected to the grain dividing rotating shaft and more than two grain dividing sheets, and the grain dividing sheets divide the grain dividing bin into more than two grain placing areas.

In the automatic grain storage tank in foretell vacuum, lower grain hole below both sides are equipped with the side brush that keeps off that prevents the grain side leakage respectively, the side is kept off the brush and is set up between branch grain piece and storage grain bucket.

In foretell automatic grain storage tank in a kind of vacuum, it divides the grain shell to store up grain bucket below being fixed with, divide the inner chamber formation of grain shell divide the granary, divide the bottom of grain shell to be equipped with the grain outlet hole that feeds through grain outlet, connecting axle upper end cover is established divide the grain pivot, the connecting axle upper end is equipped with radial arch, divide the grain pivot in be equipped with the radial recess of radial protruding looks adaptation, divide the grain pivot to insert through radial arch and establish in radial recess and connecting axle radial fixation.

In foretell automatic grain storage box in vacuum, be equipped with the infrared emission pipe on the upper cover plate, be equipped with the infrared ray receiver tube on the epitheca hypoplastron, the infrared ray that the infrared emission pipe was launched is received to the infrared ray receiver tube, it is equipped with the transparency to store up the grain barrel bottom, the transparency is located between infrared emission pipe and the infrared ray receiver tube.

In foretell automatic grain case that stores up in vacuum, epitheca hypoplastron dustcoat is equipped with the lower casing of connecting at the epitheca lower extreme, and inferior valve body bottom is connected with the shell bottom plate, be equipped with the control mainboard on the shell bottom plate, evacuating device and power device all are connected with the control mainboard electricity, be equipped with the button display panel of being connected with the control mainboard electricity on the upper cover plate, button display panel dustcoat is equipped with the semi-transparent operating panel of being connected on the upper cover plate, the upper casing upper end is equipped with the thimble connecting plate of being connected with the control mainboard electricity, be equipped with the thimble of being connected with the button display panel electricity on the upper cover plate, when the upper cover plate lid was established on the upper casing, the thimble was connected with thimble connecting plate contact electricity.

In foretell automatic grain storage box in vacuum, be equipped with WIFI module and timing module on the control mainboard, the button display panel shows content: timing time, the number of the grain discharged, manual grain discharging, a vacuum negative pressure value, a grain shortage reminding and a WIFi connection state.

In the automatic vacuum grain storage box, the infrared transmitting tube is electrically connected with the key display panel, and the infrared receiving tube is electrically connected with the control main board.

In the automatic grain storage box in the vacuum, the vacuum pump is arranged on the shell bottom plate, and the shell bottom plate is provided with the battery bin for mounting the battery.

In the automatic grain storage box in foretell vacuum, rotary power spare, vacuum pump, divide grain motor, hall sensor one, hall sensor two and photoelectric sensor all are connected with the control mainboard electricity.

In the automatic vacuum grain storage box, the grain outlet is provided with a grain outlet funnel, and the lower end of the grain outlet funnel is communicated with the grain receiving bowl.

In foretell automatic grain case that stores up in vacuum, hall sensor one, hall sensor two all set up on going out the grain funnel, it sets up in the lower casing to go out the grain funnel, connects the grain bowl to set up in the lower casing outside.

In the automatic vacuum grain storage box, the semi-transparent operating plate is provided with a handle.

Compared with the prior art, the utility model has the outstanding advantages that:

1. according to the utility model, the movable ceramic chip is used for sealing and opening the grain outlet on the fixed ceramic chip, so that the sealing effect is good, air is effectively prevented from entering the closed container through the grain outlet, and the freshness of grains is kept;

2. food-grade lubricating grease is arranged between the fixed ceramic chip and the movable ceramic chip, and the lubricating grease effectively seals a gap between the fixed ceramic chip and the movable ceramic chip, so that the sealing effect is good; a sealing strip sleeved on the upper cover plate is arranged between the upper cover plate and the upper shell, and an annular groove is formed in the side surface of the sealing strip, which is in contact with the upper shell, so that two seals are formed, and the sealing effect is good; the upper shell lower plate is connected to the lower end of the upper shell through welding, and the sealing effect is good;

3. according to the utility model, the rotating shaft of the rotating power part drives the ceramic chip to rotate through the rotating bracket, so that the ceramic chip is not easy to crack; the rotary support comprises a fixing part radially fixed on a rotating shaft of the rotary power part, and a first driving rod and a second driving rod which are arranged on the fixing part, the first driving rod and the second driving rod are L-shaped, one end of the fixing part, far away from the rotary power part, of the fixing part, and the first driving rod and the second driving rod are all arranged in the support mounting groove, the contact surface between the rotary power part and the movable ceramic piece is large, and the movable ceramic piece is further protected; a compression spring which enables the movable ceramic piece to be always attached to the fixed ceramic piece is arranged between the rotary power pieces, so that the sealing effect of the movable ceramic piece is effectively ensured;

4. the grain storage barrel, the grain separating shell, the grain separating device and the grain separating rotating shaft can be integrally taken out of the closed container together, so that the cleaning is convenient.

Description of the drawings:

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a perspective view of the present invention without a lower shell and a bowl for receiving grain;

FIG. 3 is a first perspective view of the grain separating structure and the sealing structure of the movable ceramic plate of the present invention;

FIG. 4 is a second perspective view of the grain separating structure and the sealing structure of the movable ceramic plate of the present invention;

FIG. 5 is a perspective view of the moving ceramic plate, rotating bracket and magnet of the present invention;

FIG. 6 is a perspective view of the connecting shaft and the grain-dividing rotating shaft of the present invention;

fig. 7 is a perspective view of the present invention.

Reference numerals: 1. an upper housing; 2. an upper shell lower plate; 3. an upper cover plate; 4. fixing a ceramic chip; 5. a grain outlet; 6. moving the ceramic plate; 7. a sealing strip; 8. a rotary power member; 9. rotating the bracket; 9a, a fixing part; 9b, driving the first rod; 9c, a second driving rod; 10. a compression spring; 11. a vacuum pump; 12. an air pipe; 13. a one-way valve; 14. a grain storage barrel; 15. grain distribution; 16. grain discharging holes; 17. a grain distributor; 17a, a connecting part; 17b, dividing into grain slices; 18. a grain separating motor; 19. a connecting shaft; 20. a grain distributing rotating shaft; 21. an O-shaped ring; 22. an axial spring; 23. grain blocking prevention rotary slices; 24. dividing the grain shells; 25. grain outlet holes; 26. a radial projection; 27. a radial groove; 28. an infrared emission tube; 29. an infrared receiving tube; 30. a transparent sheet; 31. a lower housing; 32. a housing floor; 33. a control main board; 34. a key display panel; 35. a semi-transparent operating panel; 36. a thimble connecting plate; 37. a thimble; 38. a magnet; 39. a first Hall sensor; 40. a second Hall sensor; 41. a photosensor; 42. side blocking brushes; 43. a grain discharging funnel; 44. a grain receiving bowl; 45. a handle.

The specific implementation mode is as follows:

the utility model will now be further described by way of specific examples, with reference to figures 1 to 7:

a vacuum automatic grain storage box comprises a closed container and a vacuumizing device, wherein the closed container is composed of an upper shell 1, an upper shell lower plate 2 and an upper cover plate 3, the vacuumizing device is used for extracting air in the closed container, a ceramic fixing ceramic piece 4 is arranged on the closed container, a grain outlet 5 communicated with an inner cavity of the closed container is arranged on the ceramic fixing ceramic piece 4, and a movable ceramic piece 6 which is driven by a power device to seal and open the grain outlet 5 is arranged at the grain outlet 5.

The working principle of the utility model is as follows: as shown in fig. 1-4, during storage, the upper cover plate 3 is opened, grains are put into the closed container, the upper cover plate 3 is covered, the air in the closed container is extracted by the vacuum extractor, and the whole closed container is in a negative pressure state to keep the freshness of the grains in the closed container; when taking the grain, the power device drives the movable ceramic plate 6 to open the grain outlet 5, air enters the closed container from the grain outlet 5, and the grain is discharged from the grain outlet 5; after the grain is taken, the power device drives the movable ceramic plate 6 to seal the grain outlet 5, the vacuumizing device extracts air in the closed container, and the whole closed container is in a negative pressure state to keep the freshness of the grain in the closed container. According to the utility model, the grain outlet 5 on the fixed ceramic chip 4 is sealed and opened by the movable ceramic chip 6, so that the sealing effect is good, air is effectively prevented from entering the closed container through the grain outlet 5, and the freshness of grains is kept.

Fixing the ceramic tile 4: the ceramic fixing piece 4 is fixed on the outer side of the lower plate 2 of the upper shell.

For better sealing effect, food-grade lubricating grease is arranged between the fixed ceramic chip 4 and the movable ceramic chip 6, and the lubricating grease effectively seals the gap between the fixed ceramic chip 4 and the movable ceramic chip 6, so that the sealing effect is good; a sealing strip 7 sleeved on the upper cover plate 3 is arranged between the upper cover plate 3 and the upper shell 1, and an annular groove is arranged on the side surface of the sealing strip 7, which is in contact with the upper shell 1, to form two seals, so that the sealing effect is good; the upper shell lower plate 2 is connected to the lower end of the upper shell 1 through welding, and the sealing effect is good.

The installation mode of the food-grade lubricating grease is as follows: and a lubricating grease mounting groove is formed in the ceramic tile 4, and the food-grade lubricating grease is arranged in the lubricating grease mounting groove.

In order to avoid the foreign matter card between deciding ceramic chip 4 and moving ceramic chip 6, influence the leakproofness, move ceramic chip 6 laminating and decide ceramic chip 4 and seal out grain mouth 5, move ceramic chip 6 along the motion of binding face, at the motion in-process, move ceramic chip 6 and can clear away the residue that opens in-process grain and drop, prevent that the foreign matter card from deciding ceramic chip 4 and moving between the ceramic chip 6, effectively seal out grain mouth 5.

The structure of the power device: as shown in fig. 1-4, the power device includes a rotary power member 8, a rotary bracket 9 is disposed on a rotary shaft of the rotary power member 8, a bracket mounting groove adapted to the rotary bracket 9 is disposed on the movable ceramic plate 6, the rotary bracket 9 is disposed in the bracket mounting groove, and the rotary shaft of the rotary power member 8 drives the movable ceramic plate 6 to rotate through the rotary bracket 9. The rotation of the rotating shaft of the rotating power part 8 drives the rotating bracket 9 to rotate around the rotating shaft, and further drives the ceramic plate 6 to rotate around the rotating shaft of the rotating power part 8. According to the utility model, the rotating shaft of the rotating power part 8 drives the ceramic plate 6 to rotate through the rotating bracket 9, so that the situation that the rotating shaft of the rotating power part 8 directly acts on the movable ceramic plate 6 to easily cause the breakage of the movable ceramic plate 6 is avoided.

In order to detect whether the movable ceramic piece 6 rotates in place, the device also comprises an angle sensor for detecting the rotating angle of the rotating support 9, wherein the angle sensor comprises a magnet 38, a first Hall sensor 39 and a second Hall sensor 40 which are arranged on the rotating support 9, and when the movable ceramic piece 6 seals the grain outlet 5, the position of the magnet 38 corresponds to the position of the first Hall sensor 39; when the movable ceramic plate 6 opens the grain outlet 5, the position of the magnet 38 corresponds to the second hall sensor 40.

Furthermore, the rotating power member 8 is fixed on the upper shell lower plate 2 by a screw, and the rotating power member 8 is a rotating motor or a rotating cylinder. In the present embodiment, the rotary power member 8 is a rotary electric machine.

Structure of the rotating bracket 9: as shown in fig. 5, the rotating bracket 9 includes a fixing portion 9a radially fixed on the rotating shaft of the rotating power member 8, and a first driving rod 9b and a second driving rod 9c provided on the fixing portion 9a, the first driving rod 9b and the second driving rod 9c are L-shaped, one end of the fixing portion 9a away from the rotating power member 8, the first driving rod 9b and the second driving rod 9c are all provided in the bracket mounting groove, and a compression spring 10 for enabling the movable ceramic piece 6 to be tightly attached to the fixed ceramic piece 4 is provided between the fixing portion 9a and the rotating power member 8. The contact surface of the rotary power part 8 and the movable ceramic plate 6 is large, and the movable ceramic plate 6 is not easy to crack.

In order to limit the axial extension and contraction of the compression spring 10 on the rotating shaft of the rotating power member 8, the compression spring 10 is sleeved on the rotating shaft of the rotating power member 8.

The structure of the vacuum-pumping device is as follows: as shown in fig. 1, the vacuum pumping device includes a vacuum pump 11 and an air pipe 12 connecting an air pumping opening of the vacuum pump 11 and an air pumping hole of the sealed container, and the air pipe 12 is provided with a one-way valve 13 for limiting air flow to the sealed container, so as to prevent air from entering the sealed container from the air pipe 12 in the storage process, thereby causing deterioration of grains.

Preferably, the air exhaust hole of the closed container is provided with filter cotton, so that impurities such as grains and dust are effectively prevented from entering the air pipe 12 to block the air pipe 12, and the vacuumizing effect is influenced.

Grain distribution structure: the ceramic tile fixing device is characterized in that the ceramic tile fixing device 4 is arranged on the lower plate 2 of the upper shell, a grain storage barrel 14 used for storing grains and a grain distribution bin 15 which is located below the grain storage barrel 14 and communicated with the grain outlet 5 are arranged in the closed container, a grain discharge hole 16 leading to the grain distribution bin 15 is formed in the bottom of the grain storage barrel 14, a grain distribution device 17 driven by a driving device to rotate is arranged in the grain distribution bin 15, the grain distribution bin 15 is divided into more than two grain containing areas by the grain distribution device 17, and the grain discharge hole 16 and the grain outlet 5 are located in different grain containing areas. In the embodiment, the grain distributor 17 uniformly divides the grain distribution bin 15 into six grain placing areas. Grain in the grain storage barrel 14 flows into the grain placing area through the grain discharging hole 16, the driving device drives the rotary grain distributor 17, the grain placing area containing the grain rotates to the upper part of the grain outlet 5, and the grain flows out through the grain outlet 5. When a portion of grain needs to be discharged, the grain distributor 17 rotates 60 degrees, and a grain placing area rotates to the grain outlet 5; when two portions of grains are needed to be discharged, the grain distributor 17 rotates 60 degrees, one portion of grains flows out from the grain outlet 5, then rotates 60 degrees, the other portion of grains is placed in the grain placing area and rotates to the grain outlet 5, the second portion of grains flows out from the grain outlet 5, and by analogy, a plurality of portions of grains need to be discharged, and the grain distributor 17 rotates for a plurality of times.

Structure of the driving device: as shown in fig. 1 and 4, the driving device comprises a grain distribution motor 18 located below the upper shell lower plate 2, a connecting shaft 19 is radially fixed on a rotating shaft of the grain distribution motor 18, the upper end of the connecting shaft 19 penetrates through the upper shell lower plate 2 and extends into a grain distribution bin 15 to be connected with a grain distribution rotating shaft 20, an O-ring 21 sleeved on the connecting shaft 19 is arranged between the connecting shaft 19 and the upper shell lower plate 2, an axial spring 22 is arranged between the connecting shaft 19 and the grain distribution motor 18 rotating shaft, the grain distribution device 17 is connected to the grain distribution rotating shaft 20, and the upper end of the grain distribution rotating shaft 20 extends into the grain storage barrel 14 to be connected with a grain blocking prevention rotating sheet 23. The rotating shaft of the grain distribution motor 18 rotates to drive the connecting shaft 19 to rotate, and then drives the grain distribution device 17 and the grain blocking prevention rotating piece 23 to rotate, so that grain blocking is effectively prevented while grain distribution is achieved, and the axial spring 22 enables the connecting shaft 19 to be always upwards connected with the grain distribution rotating shaft 20.

In order to detect the rotation angle of the connecting shaft 19, a photoelectric sensor 41 for detecting the rotation angle of the connecting shaft 19 is further included.

Furthermore, the grain distribution motor 18 is fixed on the upper shell lower plate 2 through a screw, two O-shaped rings 21 are arranged at intervals up and down, the connecting shaft 19 and the upper shell lower plate 2 are effectively sealed, the connecting shaft 19 is rotatably connected with the upper shell lower plate 2 through a bearing, and the bearing is positioned above the O-shaped rings 21.

The structure of the grain distributor 17: as shown in fig. 3, the grain distributor 17 includes a connecting portion 17a connected to the grain distributing rotating shaft 20 and more than two grain distributing pieces 17b, and the grain distributing pieces 17b divide the grain distributing bin 15 into more than two grain placing areas. In this embodiment, the grain distribution pieces 17b are uniformly distributed in six, and the grain distribution bin 15 is uniformly divided into six grain placing areas.

In order to avoid grain side leakage, two sides below the grain discharging hole 16 are respectively provided with a side blocking brush 42 for preventing grain side leakage, and the side blocking brush 42 is arranged between the grain separating sheet 17b and the grain storage barrel 14.

For the convenience of cleaning, as shown in fig. 1, 4 and 6, the upper shell lower plate 2 is recessed downwards to form a concave portion, a grain separating shell 24 is fixed below the grain storage barrel 14, the grain separating shell 24 is arranged in the concave portion, the inner cavity of the grain separating shell 24 forms the grain separating bin 15, a grain outlet hole 25 communicated with the grain outlet 5 is formed in the bottom of the grain separating shell 24, the upper end of the connecting shaft 19 is sleeved with the grain separating rotating shaft 20, the upper end of the connecting shaft 19 is provided with a radial protrusion 26, a radial groove 27 matched with the radial protrusion 26 is formed in the grain separating rotating shaft 20, and the grain separating rotating shaft 20 is inserted in the radial groove 27 through the radial protrusion 26 and is radially fixed with the connecting shaft 19. When in cleaning, the grain storage barrel 14, the grain separating shell 24, the grain separating device 17 and the grain separating rotating shaft 20 can be integrally taken out of the closed container together, so that the cleaning is convenient; after the cleaning, the grain storage barrel 14, the grain separating shell 24, the grain separating device 17 and the grain separating rotating shaft 2 are placed in a closed container, the radial bulge 26 is inserted into the radial groove 27, and the grain separating rotating shaft 20 is radially fixed with the connecting shaft 19.

In order to timely remind when the grain shortage exists in the grain storage barrel 14, the upper cover plate 3 is provided with the infrared transmitting tube 28, the upper shell lower plate 2 is provided with the infrared receiving tube 29, the infrared receiving tube 29 receives infrared rays transmitted by the infrared transmitting tube 28, the bottom of the grain storage barrel 14 is provided with the transparent sheet 30, and the transparent sheet 30 is arranged between the infrared transmitting tube 28 and the infrared receiving tube 29. When the grain storage barrel 14 is lack of grain, the infrared ray emitted by the infrared ray emitting tube 28 passes through the transparent sheet 30 and is received by the infrared ray receiving tube 29; when the grain in the grain storage barrel 14 is sufficient, the infrared ray emitted by the infrared ray emitting tube 28 is blocked by the grain, and the infrared ray receiving tube 29 can not receive the infrared ray.

Furthermore, the outer cover of the upper shell lower plate 2 is provided with a lower shell 31 connected to the lower end of the upper shell 1, the bottom of the lower shell 31 is connected with a shell bottom plate 32, the shell bottom plate 32 is provided with a control mainboard 33, the vacuum extractor and the power device are both electrically connected with the control mainboard 33, the upper cover plate 3 is provided with a key display plate 34 electrically connected with the control mainboard 33, the outer cover of the key display plate 34 is provided with a semi-transparent operating plate 35 connected to the upper cover plate 3, the upper end of the upper shell 1 is provided with a thimble connecting plate 36 electrically connected with the control mainboard 33, the upper cover plate 3 is provided with a thimble 37 electrically connected with the key display plate 34, and when the upper cover plate 3 is covered on the upper shell 1, the thimble 37 is electrically connected with the thimble connecting plate 36 in a contacting manner.

In order to realize remote control and intelligent control, be equipped with WIFI module and timing module on the control mainboard 33, button display panel 34 shows content: timing time, the number of the grain discharged, manual grain discharging, a vacuum negative pressure value, a grain shortage reminding and a WIFi connection state.

And when the pressure in the closed container reaches a set vacuum negative pressure value during vacuumizing, stopping vacuumizing the closed container by the vacuumizing device, and finishing vacuumizing.

The utility model can manually control grain discharging and the number of grain discharging parts, can set regular and quantitative grain discharging, and can remotely control grain discharging through APP.

Furthermore, the infrared transmitting tube 28 is electrically connected with the key display panel 34, the infrared receiving tube 29 is electrically connected with the control mainboard 33, and the rotary power component 8, the vacuum pump 11, the grain distribution motor 18, the first hall sensor 39, the second hall sensor 40 and the photoelectric sensor 41 are electrically connected with the control mainboard 33. When the grain is short, the infrared receiving tube 29 feeds back information to the control main board 33, and the control main board 33 transmits information to the key display board 34 to display the grain shortage. The key display board 34 feeds back information such as timing time, grain output number, manual grain output, a vacuum negative pressure value and the like to the control main board 33, the control main board 33 controls the rotary power part 8, the vacuum pump 11 and the grain distribution motor 18 to act, the first hall sensor 39 and the second hall sensor 40 feed back whether the rotary power part 8 rotates in place or not to the control main board 33, the rotary power part 8 feeds back whether the grain distribution motor 18 rotates in place or not to the control main board 33, and if not, the control main board 33 controls the rotary power part 8 and the grain distribution motor 18 to continue to act.

In order to ensure grain discharge when the power cord falls or has a power failure, a battery compartment for mounting a battery is arranged on the shell bottom plate 32.

In order to avoid the leakage of the grain from the grain outlet 5, as shown in fig. 1, 2 and 7, a grain outlet funnel 43 is arranged at the grain outlet 5, and the lower end of the grain outlet funnel 43 leads to a grain receiving bowl 44.

Arrangement positions of the first hall sensor 39 and the second hall sensor 40: the first Hall sensor 39 and the second Hall sensor 40 are both arranged on the grain discharging funnel 43, the grain discharging funnel 43 is arranged in the lower shell 31, and the grain receiving bowl 44 is arranged on the outer side of the lower shell 31.

In order to move the present invention, a handle 45 is disposed on the semi-transparent operating plate 35.

The utility model can be used for storing food for human; the utility model can also be used for storing food for animals, and the animals can directly eat the food in the food receiving bowl 44, which is equivalent to an animal feeder.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered by the protection scope of the utility model.

Claims (10)

1. The utility model provides an automatic grain storage tank in vacuum which characterized in that: the device comprises a closed container and a vacuumizing device, wherein the closed container is composed of an upper shell (1), an upper shell lower plate (2) and an upper cover plate (3), the vacuumizing device is used for extracting air in the closed container, a ceramic fixing piece (4) is arranged on the closed container, a grain outlet (5) communicated with an inner cavity of the closed container is formed in the ceramic fixing piece (4), and a movable ceramic piece (6) driven by a power device to seal and open the grain outlet (5) is arranged at the grain outlet (5).

2. The vacuum automated grain storage bin of claim 1, wherein: food-grade lubricating grease is arranged between the fixed ceramic piece (4) and the movable ceramic piece (6); a sealing strip (7) sleeved on the upper cover plate (3) is arranged between the upper cover plate (3) and the upper shell (1), and an annular groove is arranged on the side surface of the sealing strip (7) contacting with the upper shell (1) to form two seals; the upper shell lower plate (2) is connected to the lower end of the upper shell (1) through welding.

3. The vacuum automated grain storage bin of claim 1, wherein: move potsherd (6) laminating and decide potsherd ceramic chip (4) sealed grain mouth (5), move potsherd (6) along the motion of binding face.

4. The vacuum automated grain storage bin of claim 3, wherein: the power device comprises a rotary power part (8), a rotary support (9) is arranged on a rotating shaft of the rotary power part (8), a support mounting groove matched with the rotary support (9) is formed in the ceramic wafer (6), the rotary support (9) is arranged in the support mounting groove, and a rotating shaft of the rotary power part (8) is driven by the rotary support (9) to rotate the ceramic wafer (6).

5. The vacuum automated grain storage bin of claim 4, wherein: rotating bracket (9) including radially fixing at rotatory power spare (8) epaxial fixed part (9a) and actuating lever (9b) and actuating lever two (9c) of setting on fixed part (9a), actuating lever (9b) is L shape with actuating lever two (9c), one end, actuating lever (9b) and actuating lever two (9c) that rotatory power spare (8) were kept away from in fixed part (9a) all set up in the support mounting groove, be equipped with between fixed part (9a) and rotatory power spare (8) and make and move ceramic wafer (6) and hug closely compression spring (10) of deciding ceramic chip (4) all the time.

6. The vacuum automated grain storage bin of claim 1, wherein: the ceramic fixing ceramic pieces (4) are arranged on the lower plate (2) of the upper shell, a grain storage barrel (14) used for storing grains and a grain distribution bin (15) which is located below the grain storage barrel (14) and communicated with the grain outlet (5) are arranged in the closed container, a lower grain hole (16) leading to the grain distribution bin (15) is formed in the bottom of the grain storage barrel (14), a grain distribution device (17) driven to rotate by a driving device is arranged in the grain distribution bin (15), the grain distribution device (17) divides the grain distribution bin (15) into more than two grain placing areas, and the grain placing areas are located in different grain placing areas through the grain hole (16) and the grain outlet (5).

7. The vacuum automated grain storage bin of claim 6, wherein: the driving device comprises a grain distribution motor (18) located below an upper shell lower plate (2), a connecting shaft (19) is radially fixed on a rotating shaft of the grain distribution motor (18), the upper end of the connecting shaft (19) penetrates through the upper shell lower plate (2) and extends into a grain distribution bin (15) to be connected with a grain distribution rotating shaft (20), an O-shaped ring (21) sleeved on the connecting shaft (19) is arranged between the connecting shaft (19) and the upper shell lower plate (2), an axial spring (22) is arranged between the connecting shaft (19) and the grain distribution motor (18) rotating shaft, a grain distribution device (17) is connected onto the grain distribution rotating shaft (20), and the upper end of the grain distribution rotating shaft (20) extends into a grain storage barrel (14) to be connected with a grain blocking prevention rotating piece (23).

8. The vacuum automated grain storage bin of claim 7, wherein: store up grain bucket (14) below and be fixed with branch grain shell (24), the inner chamber of dividing grain shell (24) forms divide granary (15), and the bottom of dividing grain shell (24) is equipped with the grain hole (25) that communicate grain outlet (5), connecting axle (19) upper end cover is established divide grain pivot (20), and connecting axle (19) upper end is equipped with radial arch (26), divide grain pivot (20) in be equipped with radial recess (27) of radial arch (26) looks adaptation, divide grain pivot (20) to insert through radial arch (26) and establish in radial recess (27) with connecting axle (19) radial fixation.

9. The vacuum automated grain storage bin of claim 6, wherein: the grain storage barrel is characterized in that an infrared transmitting tube (28) is arranged on the upper cover plate (3), an infrared receiving tube (29) is arranged on the upper shell lower plate (2), the infrared receiving tube (29) receives infrared rays transmitted by the infrared transmitting tube (28), a transparent sheet (30) is arranged at the bottom of the grain storage barrel (14), and the transparent sheet (30) is arranged between the infrared transmitting tube (28) and the infrared receiving tube (29).

10. The vacuum automated grain storage bin of claim 1, wherein: the outer cover of the upper shell lower plate (2) is provided with a lower shell (31) connected with the lower end of the upper shell (1), the bottom of the lower shell (31) is connected with a shell bottom plate (32), a control main board (33) is arranged on the shell bottom board (32), the vacuum-pumping device and the power device are both electrically connected with the control main board (33), a key display panel (34) electrically connected with the control main board (33) is arranged on the upper cover plate (3), a semi-transparent operating plate (35) connected with the upper cover plate (3) is arranged outside the key display panel (34), the upper end of the upper shell (1) is provided with a thimble connecting plate (36) which is electrically connected with the control mainboard (33), the upper cover plate (3) is provided with an ejector pin (37) electrically connected with the key display panel (34), and when the upper cover plate (3) is covered on the upper shell (1), the ejector pin (37) is electrically connected with the ejector pin connecting plate (36) in a contact manner.

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