CN220678511U

CN220678511U - Grain screening machine

Info

Publication number: CN220678511U
Application number: CN202321772568.6U
Authority: CN
Inventors: 李雄明; 周翀
Original assignee: Wuhan Xingzheng Industrial Co ltd
Current assignee: Wuhan Xingzheng Industrial Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2024-03-29
Anticipated expiration: 2033-07-06

Abstract

The utility model discloses a grain screening machine, which comprises a screening frame, wherein the screening frame is horizontally arranged in a shell and positioned below a feed inlet, a screen is arranged in the screening frame, one end of the screen is rotationally connected with the screening frame, the other end of the screen is detachably arranged on the screening frame, and baffles are arranged around the screen; the screen cloth is equipped with the upset part with screening frame rotation junction's position department, the upset part is used for driving the screen cloth upset. This device places the screen cloth level, is equipped with the baffle all around at the screen cloth simultaneously, can guarantee debris when vibrating and fully sieve on the screen cloth, and screen cloth one end sets up the upset part, and the upset part is with the screen cloth upset after sieving, makes debris above the screen cloth fall out through the screen cloth upset, then the rethread baffle box is derived outside. Compared with the prior art, the device improves screening efficiency and simultaneously realizes the function of automatically removing sundries, and has simple structure and convenient use.

Description

Grain screening machine

Technical Field

The utility model relates to the field of screening, in particular to a grain screening machine.

Background

In the screening process of the rice, sundries such as stems and roots of the grains can be left at the top of the screen, the screen is obliquely arranged to avoid manual cleaning of the sundries at the top of the screen, so that the sundries can conveniently shake out of the screen along with vibration of the screen, but the screening mode can lead part of grains to shake out of the screen without being separated from the sundries, and the screened sundries need to be screened again for screening cleanly; if the size of the screen is increased, the equipment occupies a large area and is not easy to store and transport, and the production cost is high.

Disclosure of Invention

The utility model mainly aims to provide a grain screening machine, which aims to solve the technical problem that sundries are conveniently taken out while screening efficiency is improved in the prior art.

In order to achieve the above object, the present utility model provides a grain screening machine comprising:

a shell provided with a feed inlet;

the screening frame is horizontally arranged in the shell and positioned below the feeding port, a screen is arranged in the screening frame, one end of the screen is rotationally connected with the screening frame, the other end of the screen is detachably arranged on the screening frame, and baffles are arranged around the screen; the screen mesh is rotatably connected with the screening frame, and a turnover part is arranged at the position of the screen mesh, and is used for driving the screen mesh to turn over; a guide groove is arranged at the position of the shell, which is opposite to the overturning position of the screen;

the material receiving box is positioned below the screen, and a material taking opening is formed in the position of the shell corresponding to the material receiving box;

and the vibration part is arranged on the outer side of the shell and is used for driving the screening frame to vibrate.

Further, the screening frame is vertically communicated, a first rotating shaft is arranged at one end of the screen, the first rotating shaft is rotatably connected with the screening frame, and two ends of the first rotating shaft extend out of the screening frame; the overturning component comprises a gear and a rack, the gear is arranged at the end part of the first rotating shaft, the rack is in sliding connection with the inner wall of the shell, and the rack is meshed with the gear; the screen cloth other end is equipped with the second pivot, the both ends of second pivot erect on screening frame.

Further, a cart is arranged in the shell, the material collecting box is placed on the cart, and the rack is arranged at the top of the cart.

Further, column bases are arranged at two ends of the screening frame, support columns are arranged at positions of the shell corresponding to the column bases, and springs are arranged between the column bases and the support columns.

Further, the screen overturning direction is opposite to the cart moving direction.

Further, the feeding port is in a cylinder shape with an opening at the upper end and a closing-in at the lower end.

Further, a support plate is fixed to the outer side of the housing, and the vibration member is provided on the support plate.

Further, a sliding groove is formed in the side face of the rack, a sliding rail is arranged at the position, corresponding to the sliding groove, of the shell, and the sliding groove is connected with the sliding rail in a sliding mode.

Further, a baffle door is arranged at the end part of the cart, the baffle door is detachably connected with the cart, and a handle is arranged on the baffle plate.

The beneficial effects of the utility model are as follows: this device places the screen cloth level, is equipped with the baffle all around the screen cloth simultaneously, can guarantee debris when vibrating and be fully sieved on the screen cloth, screen cloth one end rotates with the screening frame to be connected, the other end detachably sets up on the screening frame, screen cloth one end sets up the upset part, the screen cloth upset after the upset part will sieving, makes debris above the screen cloth drop out through the screen cloth upset, then rethread baffle box exports outside. Compared with the prior art, the device improves screening efficiency and simultaneously realizes the function of automatically removing sundries, and has simple structure and convenient use.

Drawings

FIG. 1 is a perspective view of a grain sizer of the present utility model;

FIG. 2 is a cross-sectional view of the grain sizer of the present utility model;

FIG. 3 is an enlarged view at A of FIG. 2;

FIG. 4 is an enlarged view at B of FIG. 2;

FIG. 5 is a diagram of the structure of a screening frame of the grain screening machine of the present utility model;

FIG. 6 is a block diagram of a cart for a grain sizer of the present utility model.

Reference numerals illustrate: 1. a housing; 2. a screening frame; 3. a receiving box; 4. a vibration member; 11. a feed port; 12. a material taking port; 13. a guide groove; 14. a support plate; 15. a spring; 16. a support column; 21. a screen; 22. a flipping member; 23. column feet; 31. a cart; 32. a shutter; 33. a handle; 211. a first rotating shaft; 212. a second rotating shaft; 213. a baffle; 221. a gear; 222. a rack; 223. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. Embodiments and features of embodiments in this application may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

See fig. 1-6.

The utility model comprises the following steps:

a shell 1 provided with a feed inlet 11;

the screening frame 2 is horizontally arranged in the shell 1 and positioned below the feed inlet 11, a screen 21 is arranged in the screening frame 2, one end of the screen 21 is rotationally connected with the screening frame 2, the other end of the screen 21 is detachably arranged on the screening frame 2, and baffles 213 are arranged around the screen 21; a turnover part 22 is arranged at the position where the screen 21 is rotationally connected with the screening frame 2, and the turnover part 22 is used for driving the screen 21 to turn over; a guide chute 13 is arranged at the position of the shell 1, which is turned over relative to the screen 21;

the material receiving box 3 is positioned below the screen 21, and a material taking opening 12 is formed in the position of the shell 1 corresponding to the material receiving box 3;

and a vibration member 4 provided outside the housing 1 for driving the screen frame 2 to vibrate.

In the concrete implementation, firstly, grains are poured into the feed inlet 11, the vibrating component 4 is started, the vibrating component 4 drives the screening frame 2 to vibrate, the screening frame 2 drives the screen 21 to vibrate for screening, grains fall into the receiving box 3 below through the screen 21, after screening is completed, the overturning component 22 is started, the overturning component 22 drives the screen 21 to overturn, sundries on the screen 21 are poured into the guide chute 13, and the sundries are guided out to the outside through the guide chute 13.

By means of the design, the screening frame 2 is horizontally arranged, the baffles 213 are arranged around the screen 21, so that sundries stay on the screen 21 for a longer time, sundries can be screened fully, screening efficiency is improved, the function of automatically cleaning sundries can be realized through the overturning component 22, and manual cleaning is avoided. Wherein the vibration member 4 adopts a vibrator in the prior art.

In an embodiment, the screening frame 2 is vertically penetrated, one end of the screen 21 is provided with a first rotating shaft 211, the first rotating shaft 211 is rotatably connected with the screening frame 2, and two ends of the first rotating shaft extend out of the screening frame 2; the overturning part 22 comprises a gear 221 and a rack 222, the gear 221 is arranged at the end part of the first rotating shaft 211, the rack 222 is in sliding connection with the inner wall of the shell 1, and the rack 222 is meshed with the gear 221; the other end of the screen 21 is provided with a second rotating shaft 212, and two ends of the second rotating shaft 212 are erected on the screening frame 2. By the design, the screen 21 can be turned over by moving the rack 222 to drive the gear 221 to rotate, and the structure is simple and the operation is convenient.

In an embodiment, a cart 31 is disposed in the housing 1, the receiving box 3 is placed on the cart 31, and the rack 222 is disposed on the top of the cart 31. By the design, after the collecting box 3 is collected, the collecting box 3 can be pushed out by pushing the cart 31, so that time and labor are saved, and an operator can collect grains quickly; meanwhile, the cart 31 drives the rack 222 to move, the rack 222 drives the gear 221 to rotate, so that the screen 21 is turned over, and two functions of collecting grains and dumping sundries can be simultaneously realized only through the movement of the cart 31.

In an embodiment, the two ends of the screening frame 2 are provided with column feet 23, the position of the casing 1 corresponding to the column feet 23 is provided with a support column 16, and a spring 15 is arranged between the column feet 23 and the support column 16. In particular, the screening frame 2 can move left and right in the housing 1, and the spring 15 is arranged between the column base 23 and the support column 16 to prevent the screening frame 2 from colliding with the housing 1, and meanwhile, the spring 15 can provide a certain buffer to reduce the vibration transmitted to the housing 1.

In one embodiment, the screen 21 is flipped in a direction opposite to the direction of movement of the cart 31. By the design, grains and sundries are guided out from outlets in different directions, and sundries are prevented from being poured into the grains.

In one embodiment, the feeding port 11 is in a cylindrical shape with an open upper end and a closed lower end. By such design, grains can be poured into the screen 21 more accurately, and the grains are prevented from falling outside.

In one embodiment, a support plate 14 is fixed to the outer side of the housing 1, and the vibration member 4 is provided on the support plate 14. So designed, the vibration member 4 is fixed outside the housing 1, and maintenance and replacement are convenient.

In an embodiment, a sliding groove 223 is formed on a side surface of the rack 222, a sliding rail is formed at a position of the housing 1 corresponding to the sliding groove 223, and the sliding groove 223 is slidably connected with the sliding rail. By means of a sliding fit of the slide rail and the slide groove 223, it is thus possible to avoid that the trolley 31 deviates during movement so that the rack 222 and the gear 221 cannot be engaged, preferably the slide rail in the housing 1 extends to the edge of the housing 1.

In an embodiment, a baffle 213 is disposed at an end of the cart 31, the shutter 32 is detachably connected to the cart 31, and a handle 33 is disposed on the shutter 32. By means of the design, an operator can conveniently push the cart 31 to move by holding the handle 33 to pull the cart 31, the stop door 32 can prevent the receiving box 3 from sliding off the cart 31, and the stop door 32 can be pulled out when the receiving box 3 needs to be taken out.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A grain sizer, comprising:

a shell (1) provided with a feed inlet (11);

the screening frame (2) is horizontally arranged in the shell (1) and positioned below the feeding port (11), a screen (21) is arranged in the screening frame (2), one end of the screen (21) is rotationally connected with the screening frame (2), the other end of the screen is detachably arranged on the screening frame (2), and baffles (213) are arranged around the screen (21); a turnover part (22) is arranged at the position where the screen (21) is rotationally connected with the screening frame (2), and the turnover part (22) is used for driving the screen (21) to turn over; a guide chute (13) is arranged at the position of the shell (1) which is turned over relative to the screen (21);

the material receiving box (3) is positioned below the screen (21), and a material taking opening (12) is formed in the position of the shell (1) corresponding to the material receiving box (3);

and the vibration part (4) is arranged on the outer side of the shell (1) and is used for driving the screening frame (2) to vibrate.

2. The grain screening machine according to claim 1, wherein the screening frame (2) is penetrated up and down, a first rotating shaft (211) is arranged at one end of the screen (21), the first rotating shaft (211) is rotatably connected with the screening frame (2), and two ends of the first rotating shaft extend out of the screening frame (2); the overturning component (22) comprises a gear (221) and a rack (222), the gear (221) is arranged at the end part of the first rotating shaft (211), the rack (222) is in sliding connection with the inner wall of the shell (1), and the rack (222) is meshed with the gear (221); the other end of the screen (21) is provided with a second rotating shaft (212), and two ends of the second rotating shaft (212) are erected on the screening frame (2).

3. Grain screening machine according to claim 2, characterized in that a trolley (31) is arranged in the housing (1), the receiving box (3) is placed on the trolley (31), and the rack (222) is arranged on top of the trolley (31).

4. Grain screening machine according to claim 1, characterized in that the screening frame (2) is provided with a column foot (23) at both ends, the housing (1) is provided with a support column (16) at a position corresponding to the column foot (23), and a spring (15) is provided between the column foot (23) and the support column (16).

5. Grain sizer according to claim 2, wherein the screen (21) is inverted in relation to the direction of movement of the cart (31).

6. The grain screening machine according to claim 1, wherein the feed inlet (11) is formed in a cylindrical shape with an upper end opening and a lower end closing.

7. Grain screening machine according to claim 1, characterized in that the housing (1) is fastened with a support plate (14) on the outside, the vibration member (4) being arranged on the support plate (14).

8. The grain screening machine according to claim 2, wherein a sliding groove (223) is formed in the side face of the rack (222), a sliding rail is formed in the position, corresponding to the sliding groove (223), of the shell (1), and the sliding groove (223) is in sliding connection with the sliding rail.

9. A grain screening machine according to claim 3, characterized in that the end of the trolley (31) is provided with a shutter (32), the shutter (32) is detachably connected with the trolley (31), and the shutter (32) is provided with a handle (33).