CN220635312U - Defect winnowing device for coffee beans - Google Patents

Abstract

The utility model discloses a flaw winnowing device for coffee beans, which comprises a winnowing device and an automatic feeding mechanism, wherein a discharge hole is formed in the bottom of the winnowing device, a feed hole is formed in the center of the top of the winnowing device, the automatic feeding mechanism is arranged on the feed hole of the winnowing device, the winnowing device comprises a winnowing cabinet body, a primary separating screen, a secondary separating screen, an air supply mechanism and a division plate, the winnowing cabinet body is arranged on a frame, the air supply mechanism penetrating the winnowing cabinet body upwards is arranged at the upper middle part of the frame, the inner space of the winnowing cabinet body is provided with a separating plate and is divided into a left winnowing chamber and a right winnowing chamber, the secondary separating screen is arranged at the lower middle part of each winnowing chamber, the primary separating screen is arranged at the upper part of each winnowing chamber, one discharge end of the secondary separating screen and the primary separating screen is respectively provided with a material collecting guide groove, the air supply mechanism is provided with an air blowing pipe corresponding to the primary separating screen and the secondary separating screen in each winnowing chamber, and an air outlet is arranged at the top of each winnowing chamber. The utility model meets the requirements of large-batch and continuous coffee bean winnowing screening, and has high winnowing precision and efficiency.

Description

Defect winnowing device for coffee beans

Technical Field

The utility model belongs to the technical field of coffee bean processing, and particularly relates to a flaw winnowing device for coffee beans.

Background

The winnowing machine is a universal tool for removing impurities of coffee beans, and is suitable for primary separation and selection of the coffee beans in different environments. However, the existing winnowing machine needs to manually send coffee beans into a feeding port of the winnowing machine from the ground, so that the manual feeding mode is time-consuming and labor-consuming, has low working efficiency, and is not beneficial to continuous and efficient operation of the winnowing machine; on the other hand, the coffee beans are piled and discharged and enter a winnowing machine for sorting, the sorting precision is poor due to the increase of the discharged quantity, and the unqualified beans, shells and other impurities are more, so that repeated multi-layer screening is needed.

Therefore, the development of a novel coffee bean winnowing impurity removing device is a key for solving the problem.

Disclosure of Invention

The utility model provides a flaw winnowing device for coffee beans.

The utility model is realized by the following technical scheme: including wind selector, automatic feeding mechanism, wind selector bottom sets up the bin outlet, and top center department sets up the feed inlet, and automatic feeding mechanism sets up on wind selector's feed inlet, wind selector includes the selection by winnowing cabinet body, elementary separation sieve, secondary separation sieve, air supply mechanism, divides flitch and division board the selection by winnowing cabinet body sets up in the frame, and upper portion sets up air supply mechanism in the frame, and air supply mechanism upwards penetrates the selection by winnowing cabinet body to extend to selection by winnowing cabinet body upper portion, and air supply mechanism and the same axis of selection by winnowing cabinet body set up the division board respectively in the front and back both sides of air supply mechanism, and the top sets up the flitch, divides the flitch to be under the feed inlet, and division board, divides the inner space of selection by winnowing cabinet body to control two selection by winnowing rooms, each selection by winnowing room bottom sets up the feed outlet near air supply mechanism department the lower part sets up secondary separation sieve in the selection by winnowing room, upper portion sets up elementary separation sieve, and secondary separation sieve's discharge end disposes the aggregate respectively in the guide slot top or the lateral wall that gathers materials, air supply mechanism then corresponds in each selection by winnowing cabinet body, and is equipped with the blowing duct in each selection by winnowing cabinet.

Further, air supply mechanism include fan, blast pipe, blowing pipe, governing valve, the fan sets up in walking the upper portion in the frame, the blast pipe is located in the selection by winnowing cabinet body, its coaxial core with the selection by winnowing cabinet body, the lower extreme of blast pipe wears out the selection by winnowing cabinet body and connects the fan, the top is sealed, sets up the division board respectively in the front and back both sides of blast pipe, the inner wall of the selection by winnowing cabinet body is connected to the side of division board, the left and right sides of blast pipe is in the blast pipe lateral wall in the selection by winnowing room promptly and corresponds primary separation sieve, secondary separation sieve and set up the blowing pipe, sets up the governing valve on each blowing pipe.

Further, the primary separation sieve and the secondary separation sieve are respectively provided with at least one, the primary separation sieve and the secondary separation sieve are obliquely upwards arranged in the winnowing chamber, the upper ends of the primary separation sieve and the secondary separation sieve point to the blast pipe and are in clearance arrangement with the blast pipe, the side edges are respectively connected with the inner wall of the winnowing cabinet body, and the lower ends respectively penetrate out of the winnowing cabinet body to be provided with the aggregate guide groove.

Further, automatic feeding mechanism include screw conveyer, screw motor, mounting disc, rotary disk and mount pad are hollow structure, the mounting disc sets up on the feed inlet, the rotary disk then sets up on the mounting disc, the mount pad sets up on the rotary disk, the lower extreme of mount pad passes the rotary disk downwards, the mounting disc extends to in the feed inlet, drive the mount pad by the rotary disk and rotate on the mounting disc, screw conveyer sets up in mount pad upper portion, its discharge gate intercommunication mount pad, screw motor sets up on the mount pad to connect screw conveyer.

The beneficial effects of the utility model are as follows: the automatic feeding type coffee bean winnowing device is compact in structure, convenient to use and operate, capable of automatically feeding materials to winnowing and screening, and capable of solving the defects of time and labor consumption and low working efficiency of a manual feeding mode, reducing labor intensity and realizing continuous and efficient operation of coffee beans; the two air separation chambers are arranged for synchronous air separation, so that the air separation speed of coffee beans is greatly improved, and the air separation precision is improved through the cooperation of the primary separation sieve and the secondary separation sieve, thereby meeting the requirements of large-batch and continuous air separation and screening of the coffee beans and improving the air separation efficiency; the direction of the automatic feeding mechanism can be adjusted at will, so that the flexibility of use and feeding is further improved, and the automatic feeding mechanism has practicability.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of AA in FIG. 1;

FIG. 3 is a schematic diagram of the positional relationship between the blower tube and the blower tube;

reference numerals in the drawings: 1-frame, 2-winnowing cabinet, 3-winnowing chamber, 4 discharge opening, 5-primary separation sieve, 6-secondary separation sieve, 7-material collecting guide groove, 8-air supply mechanism, 9-material separating plate, 10-partition plate, 11-air outlet, 12-fan, 13-air supply pipe, 14-air blowing pipe, 15-regulating valve, 16-screw conveyer, 17-screw motor, 18-mounting plate, 19-rotating disk, 20-mounting seat, 21-material guiding groove, 22-wind collecting plate, 23-universal wheel and 24-air hole.

Description of the embodiments

In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the following detailed description is provided with reference to the accompanying drawings.

The utility model provides a flaw wind selector of coffee beans as shown in fig. 1~3, includes wind selector, automatic feeding mechanism, and wind selector bottom sets up bin outlet 4, and top center department sets up feed inlet, and automatic feeding mechanism sets up on wind selector's feed inlet, wind selector includes winnowing cabinet 2, primary separation sieve 5, secondary separation sieve 6, air supply mechanism 8, separation board 9 and division board 10 wind selector cabinet 2 sets up in frame 1, and upper portion sets up air supply mechanism 8 in frame 1, and air supply mechanism 8 upwards penetrates wind selector cabinet 2 to extend to wind selector cabinet 2 upper portion, and air supply mechanism 8 and wind selector cabinet 2 coaxial, set up division board 10 respectively in both sides around air supply mechanism 8, and the top sets up separation board 9, and separation board 9 is in the feed inlet under, division board 10, separation board 9 separate the inner space of wind selector cabinet 2 into two selection rooms 3 about, each wind selector room 3 bottom is close to air supply mechanism 8 department sets up bin outlet 4 in wind selector cabinet 3 lower part sets up secondary sieve 6, and sets up the guide slot 7 in the wind selector cabinet 3, and the air selector room is equipped with the top is equipped with primary sieve 6, and the air selector room is equipped with the top is equipped with the primary sieve 3 respectively.

The air supply mechanism 8 include fan 12, blast pipe 13, blowpipe 14, governing valve 15, fan 12 sets up in walking frame 1 upper portion, blast pipe 13 locates in the selection by winnowing cabinet body 2, its coaxial heart line with the selection by winnowing cabinet body 2, the lower extreme of blast pipe 13 wears out the selection by winnowing cabinet body 2 and connects fan 12, the top is sealed, sets up division board 10 respectively in the front and back both sides of blast pipe 13, the inner wall of selection by winnowing cabinet body 2 is connected to the side of division board 10, the left and right sides of blast pipe 13 promptly is corresponding primary separation sieve 5, secondary separation sieve 6 on the blast pipe 13 lateral wall in the selection by winnowing room 3 sets up blast pipe 14, sets up governing valve 15 on each blast pipe 14.

The primary separation sieve 5 and the secondary separation sieve 6 are respectively provided with at least one, the primary separation sieve 5 and the secondary separation sieve 6 are obliquely upwards arranged in the air separation chamber 3, the upper ends of the primary separation sieve 5 and the secondary separation sieve 6 point to the blast pipe 13 and are in clearance arrangement with the blast pipe 14, the side edges are respectively connected with the inner wall of the air separation cabinet 2, and the lower ends respectively penetrate out of the air separation cabinet 2 to be provided with the aggregate guide groove 7.

The primary separation sieve 5 and the secondary separation sieve 6 are solid plates or net plates.

Further, the primary separation sieve 5 and the secondary separation sieve 6 respectively comprise a material guiding plate and a ventilation plate, the ventilation plate is arranged at the lower end of the material guiding plate, the length of the ventilation plate is 0.4-0.6 times that of the material guiding plate, the material guiding plate is a solid plate, ventilation holes are formed in the ventilation plate, or the ventilation plate is a screen plate, the material guiding plate prevents the wind from blowing up materials on the material guiding plate, the wind flows back into the winnowing chamber 3, the wind force is offset by the material guiding plate in a part in the moving process and then is ventilated out of the ventilation plate, the problem of backflow caused by the wind blowing up is solved, and meanwhile, the wind is discharged from an air outlet 11 formed in the top or the side wall of the material collecting guide groove 7 after ventilation is ventilated out of each ventilation plate.

The material distributing plate 9 is provided with a V-shaped structure with an upward tip part, the side edge of the material distributing plate is connected with the winnowing cabinet body 2, two sloping surfaces of the material distributing plate 9 respectively extend downwards into the winnowing chambers 3 on the same side, and the material distributing plate 9 distributes and guides materials falling from the feed inlet into the two winnowing chambers 3.

The bottom of the winnowing cabinet body 2 is provided with a dome-shaped structure protruding downwards, so that the screened materials are collected at the bottom of the winnowing cabinet body 2 and are automatically discharged from the discharge opening 4, an opening is formed in the connection part between the bottom of the winnowing cabinet body 2 and the blast pipe 13, the opening is the discharge opening 4, and the guide chute 21 is arranged on the discharge opening 4.

The air supply pipes 13 are at least composed of two air supply pipes 13, so that the air blown out from the air supply pipes 13 to the air separation chambers 3 is more uniform and easy to control, the separation plates 10 are arranged between the adjacent air supply pipes 13, the two separation chambers are mutually independent through the arrangement of the separation plates 10, and the interference of air flow convection in the two separation chambers is prevented, so that the normal separation work is ensured.

The automatic feeding mechanism comprises a screw conveyer 16, a screw motor 17, a mounting plate 18, a rotating disk 19 and a mounting seat 20, wherein the mounting plate 18, the rotating disk 19 and the mounting seat 20 are of hollow structures, materials discharged by the screw conveyer 16 can fall into the winnowing chamber 3, the mounting plate 18 is arranged on a feeding port, the rotating disk 19 is arranged on the mounting plate 18, the mounting seat 20 is arranged on the rotating disk 19, the lower end of the mounting seat 20 downwards penetrates through the rotating disk 19 and the mounting plate 18 to extend into the feeding port, the mounting seat 20 is driven by the rotating disk 19 to rotate on the mounting plate 18, the screw conveyer 16 is arranged on the upper portion of the mounting seat 20, a discharge port of the screw motor 17 is communicated with the mounting seat 20, the screw conveyer 16 is connected, the discharge port of the screw motor is communicated with the mounting seat 20, the lower portion of the screw conveyer 16 is not required to be adjusted, the lower portion of the screw conveyer 16 is pushed to rotate, and the automatic feeding mechanism can extract materials from different directions to supply the winnowing device for screening, and convenience and flexibility of use are improved.

The conveying pipe of the screw conveyor 16 is arranged in an arc-shaped structure.

In each winnowing chamber 3, the vertical aviation baffle 22 that is equipped with in one side that is in blast pipe 13, aviation baffle 22 sets up to be the arc structure, and its arc portion is protruding to blast pipe 13 one side, and the inner wall of winnowing chamber 3 is connected respectively to the side of aviation baffle 22, and the air outlet 11 of each blowing pipe 14 then wears out aviation baffle 22, guarantees that the wind that blowing pipe 14 blown out is blown to primary separation sieve 5, secondary separation sieve 6 all the time, solves the wind that blowing pipe 14 blown out and distributes in winnowing chamber 3, appears blowing to primary separation sieve 5, secondary separation sieve 6's wind-force not enough, leads to the problem that the screening effect is low.

The conveying pipe of the screw conveyor 16 is arranged in an arc-shaped structure.

The mounting base 20 is of a tubular structure.

Further, the top or the outer side wall of the collecting and guiding groove 7 is provided with an air hole 24, so that the air entering the collecting and guiding groove 7 is discharged from the air hole 24.

The four corners of the bottom of the frame 1 are provided with universal wheels 23, which is convenient to carry and move.

The regulating valve 15 is an electromagnetic valve.

The air conditioner further comprises a control device, wherein the control device is a singlechip, and signals of the control device are connected with the regulating valve 15, the fan 12 and the screw conveyor 16.

The working mode of the utility model is as follows: 1. placing the device at a place where coffee beans are piled up, rotating and moving the suction end of the screw conveyor 16 to place the suction end in the coffee beans, connecting the discharge ends of the collecting guide grooves 7 with independent material guide pipes, connecting the material guide pipes to independent waste material frames, and placing independent material frames below the material guide grooves 21; on the other hand, in order to avoid the close-range operation interference of the wind blown out from the air outlet 11, an air guide pipe may be arranged at the air outlet 11 to convey the discharged wind;

2. firstly, a blower 12 is started to blow air into the winnowing chambers 3 through an air supply pipe 13 and an air blowing pipe 14, then, a screw conveyor 16 is started to extract coffee beans, the coffee beans fall onto a distributing plate 9 from a feed inlet, the coffee beans are distributed and conveyed into the two winnowing chambers 3 by the distributing plate 9, in the process that the coffee beans fall onto the bottom of the winnowing chambers 3 from the distributing plate 9, light shells, broken beans, broken branches and leaves and unqualified beans in the coffee beans are blown onto a primary sorting sieve 5 and a secondary sorting sieve 6, then fall into respective aggregate guide grooves 7 along the primary sorting sieve 5 and the secondary sorting sieve 6, finally, are collected in a waste material frame, and qualified coffee beans fall onto the bottom of the winnowing chambers 3 and are discharged into a material frame from a discharge outlet 4;

3. because the weights of the shells, broken beans, broken branches and leaves and unqualified beans of the coffee beans in the step 2 are different, the air output of each blowing pipe 14 can be regulated by regulating the regulating valve 15 by regulating the regulating valves 15 corresponding to the blowing pipes 14 of the primary sorting screen 5 and the secondary sorting screen 6 so as to screen different impurities; the method comprises the following steps:

3.1, regulating and controlling the air output of the blast pipe 13 corresponding to the regulating valve 15 on the blast pipe 14 of the primary separation sieve 5, so that the air output of the blast pipe 14 is small, and the shell and broken branches and leaves with the lightest weight are blown onto the primary separation sieve 5 and are collected by the primary separation sieve 5 and then discharged;

3.2, regulating and controlling the air output of the air blowing pipe 13, which corresponds to the air output of the regulating valve 15 on the air blowing pipe 14 of the secondary separation sieve 6, so that the air output of the air blowing pipe 14 is increased, and crushed beans and unqualified beans with large weight are blown onto the secondary separation sieve 6 and are collected by the secondary separation sieve 6 and then discharged;

4. in the winnowing process of the steps 2-3, the wind entering the collecting guide grooves 7 of the primary separation sieve 5 and the secondary separation sieve 6 is discharged from the ventilation holes 24, the other part of the wind is discharged from the air outlet 11, and the wind entering and exiting the winnowing chamber 3 is discharged from the air outlet 11 at the top of the winnowing chamber; in order to further improve the winnowing effect, the quantity of the primary separation sieve 5 and the secondary separation sieve 6 can be additionally arranged in each winnowing chamber 3, more impurities are received through the plurality of primary separation sieves 5 and the secondary separation sieve 6, the quick winnowing requirement of a large quantity of coffee beans can be further met while the screening precision is improved, and the winnowing screening efficiency is improved.

Claims (10)

1. The utility model provides a flaw wind selector of coffee beans, includes wind selector, automatic feeding mechanism, and wind selector bottom sets up bin outlet (4), and top center department sets up the feed inlet, and automatic feeding mechanism sets up on wind selector's feed inlet, its characterized in that: the air separation device comprises an air separation cabinet body (2), a primary separation sieve (5), a secondary separation sieve (6), an air supply mechanism (8), a material separation plate (9) and a separation plate (10), wherein the air separation cabinet body (2) is arranged on a frame (1), the air supply mechanism (8) is arranged at the upper middle part of the frame (1), the air supply mechanism (8) upwards penetrates into the air separation cabinet body (2) and extends to the upper part of the air separation cabinet body (2), the air supply mechanism (8) and the air separation cabinet body (2) are coaxial, the separation plate (10) is respectively arranged at the front side and the rear side of the air supply mechanism (8), the material separation plate (9) is arranged at the top, the material separation plate (9) is arranged under a feed inlet, the separation plate (10) and the material separation plate (9) separate the inner space of the air separation cabinet body (2) into a left air separation chamber and a right air separation chamber (3), the bottom of each air separation chamber (3) is close to the air supply mechanism (8) and is provided with an air supply opening (4), the secondary separation sieve (6) is arranged at the lower part of the air separation chamber (3), the upper part is provided with the primary separation sieve (5), the primary separation sieve (6) and the material separation sieve (5) are respectively arranged at one end of a material discharge guide groove (7) or a material discharge guide groove (7), the air supply mechanism (8) is provided with a blowing pipe (14) corresponding to the primary separation sieve (5) and the secondary separation sieve (6) in each air separation chamber (3), and the top of each air separation chamber (3) is provided with an air outlet (11).

2. A defective air separation device for coffee beans according to claim 1, wherein: the air supply mechanism (8) include fan (12), blast pipe (13), blowing pipe (14), governing valve (15), upper portion in walking frame (1) is set up in fan (12), blast pipe (13) are located in the selection by winnowing cabinet body (2), it is coaxial with selection by winnowing cabinet body (2), the lower extreme of blast pipe (13) wears out selection by winnowing cabinet body (2) and connects fan (12), the top is sealed, sets up division board (10) respectively in the front and back both sides of blast pipe (13), the inner wall of selection by winnowing cabinet body (2) is connected to the side of division board (10), the left and right sides of blast pipe (13) is corresponding primary separation sieve (5), secondary separation sieve (6) on the blast pipe (13) lateral wall in selection by winnowing room (3) set up blast pipe (14), sets up governing valve (15) on each blast pipe (14).

3. A defective air separation device for coffee beans according to claim 1, wherein: the primary separation sieve (5) and the secondary separation sieve (6) are respectively provided with at least one, the primary separation sieve (5) and the secondary separation sieve (6) are obliquely upwards arranged in the winnowing chamber (3), the upper ends of the primary separation sieve (5) and the secondary separation sieve (6) point to the blast pipe (13) and are arranged in a clearance with the blowing pipe (14), the side edges are respectively connected with the inner wall of the winnowing cabinet body (2), and the lower ends respectively penetrate out of the winnowing cabinet body (2) to be provided with the aggregate guide groove (7).

4. A defective air separation device for coffee beans according to claim 1, wherein: the primary separation sieve (5) and the secondary separation sieve (6) are solid plates or net plates.

5. A defective air separation device for coffee beans according to claim 1, wherein: the material separating plate (9) is of a V-shaped structure with an upward tip, the side edge of the material separating plate is connected with the winnowing cabinet body (2), and two sloping surfaces of the material separating plate (9) respectively extend downwards into the winnowing chamber (3) on the same side.

6. A defective air separation device for coffee beans according to claim 1, wherein: the bottom of the winnowing cabinet body (2) is provided with a dome-shaped structure protruding downwards, an opening is formed in the connecting part of the bottom of the winnowing cabinet body (2) and the blast pipe (13), the opening is a discharge opening (4), and a guide chute (21) is formed in the discharge opening (4).

7. A defective air separation device for coffee beans according to claim 2, wherein: the number of the blast pipes (13) is at least two, and a partition plate (10) is arranged between every two adjacent blast pipes (13).

8. A defective air separation device for coffee beans according to claim 1, wherein: the automatic feeding mechanism comprises a screw conveyer (16), a screw motor (17), a mounting plate (18), a rotating disk (19) and a mounting seat (20), wherein the mounting plate (18), the rotating disk (19) and the mounting seat (20) are of hollow structures, the mounting plate (18) is arranged on a feeding port, the rotating disk (19) is arranged on the mounting plate (18), the mounting seat (20) is arranged on the rotating disk (19), the lower end of the mounting seat (20) downwards penetrates through the rotating disk (19) and the mounting plate (18) to extend into the feeding port, the rotating disk (19) drives the mounting seat (20) to rotate on the mounting plate (18), the screw conveyer (16) is arranged on the upper portion of the mounting seat (20), the discharging port of the screw conveyer is communicated with the mounting seat (20), and the screw motor (17) is arranged on the mounting seat (20) and is connected with the screw conveyer (16).

9. The defective air separation device of coffee beans according to claim 8, wherein: the conveying pipe of the screw conveyor (16) is arranged in an arc-shaped structure.

10. A defective air separation device for coffee beans according to claim 1, wherein: in each winnowing chamber (3), a wind collecting plate (22) is vertically arranged on one side of the blast pipe (13), the wind collecting plate (22) is arranged in an arc-shaped structure, the arc part of the wind collecting plate protrudes towards one side of the blast pipe (13), the side edges of the wind collecting plate (22) are respectively connected with the inner wall of the winnowing chamber (3), and the air outlets (11) of the blast pipes (14) penetrate out of the wind collecting plate (22).