CN220556928U - Corn seed threshing machine - Google Patents

Abstract

The utility model discloses a corn seed threshing machine which comprises a threshing barrel, spiral fins, extrusion spiral columns, a supporting plate, a discharging hopper, impurity collecting boxes, positioning structures, linkage structures and movable plates, wherein the spiral fins are arranged inside the threshing barrel, the extrusion spiral columns are arranged inside the threshing barrel, the supporting plate is arranged on the lower side of the outer part of the threshing barrel, the discharging hopper is arranged on the lower side of the supporting plate, the impurity collecting boxes are arranged on the lower side of the outer part of the discharging hopper, the positioning structures are arranged on the two sides of the outer part of the impurity collecting boxes, the linkage structures are arranged between the supporting plate and the threshing barrel, and the movable plates are arranged inside the upper side of the supporting plate. Compared with the prior art, the utility model has the advantages that: the threshing effect is better.

Description

Corn seed threshing machine

Technical Field

The utility model relates to the technical field of corn seed threshing, in particular to a corn seed threshing machine.

Background

According to incomplete statistics, the crops such as wheat, corn and the like planted in northern areas of China account for more than 45% of agricultural economy of China, and the annual export quantity northern areas account for about 20% of China, so that modern mechanical agriculture needs to be greatly developed in northern areas of China to improve labor productivity, and the small corn thresher greatly solves the problem of low labor productivity of farmers taking families as units, and replaces manpower to thresh corn.

Publication number CN209930968U a high yield corn seed thresher, through setting up the toper section of thick bamboo, this toper section of thick bamboo left end is greater than the right-hand member, after the corn cob gets into from the feeder hopper, conveys the corn cob from a left side to right under the effect of screw propulsion tooth, during the corn kernel gradually thresh under screw propulsion tooth's friction, falls into the collection particle room from the lower grain hole of screw propulsion tooth, completes threshing when the corn cob displacement is to toper section of thick bamboo right-hand member, the blank corn cob drops from the stick mouth. However, the prior art still has the defects that:

1. the corn seed thresher that prior art adopted utilizes a conical screw column to impel the cob, impels the cob in the inside of toper section of thick bamboo, rubs down the kernel of corn through the friction with the section of thick bamboo wall, but only through impelling the friction to thresh the maize, the kernel of corn takes off cleanly.

2. Corn seeds thresher that prior art adopted advances the cob through the screw column, threshes corn seeds through the friction, but when corn seeds threshed, have other impurity to slide down along with corn seeds together, still need extra edulcoration procedure after collecting.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the defects and provide the corn seed threshing machine.

In order to solve the technical problems, the technical scheme provided by the utility model is that the corn seed threshing machine comprises a threshing barrel, wherein a collecting hopper is fixedly connected to the upper side of the outer part of the threshing barrel, the collecting hopper is in through connection with the inner part of the threshing barrel, a discharging hole is formed in the lower side of the inner part of the threshing barrel, spiral fins are fixedly connected to the periphery of the inner part of the threshing barrel, extrusion spiral columns matched with the spiral fins are arranged in the inner part of the threshing barrel, the front end and the rear end of the extrusion spiral columns are respectively and rotatably connected with the front side and the rear side of the inner part of the threshing barrel, an arc-shaped supporting plate is fixedly connected to the lower side of the outer part of the threshing barrel, foot supports are fixedly connected to the front side and the rear side of the lower end of the supporting plate, a linkage structure matched with the extrusion spiral columns is arranged between the supporting plate and the threshing barrel, a discharging hopper matched with the discharging hole is arranged between the foot supports, an impurity collecting box is arranged on the lower side of the discharging hopper, a positioning structure is arranged between the impurity collecting box and the discharging hopper, and a plurality of filtering holes which are uniformly distributed are formed in the lower side of the discharging hopper.

As an improvement, the movable plate matched with the discharge hole is arranged at the lower end of the outer part of the threshing barrel, a plurality of evenly distributed discharge holes are formed in the upper side of the movable plate, a sliding groove matched with the movable plate is formed in the upper side of the supporting plate, and a discharge hole matched with the discharge hole is formed in the lower side of the inner part of the sliding groove.

As an improvement, the interlock structure is including rotating the drive rim plate of connecting in the backup pad rear side, the outside rear side of threshing cylinder rotates and is connected with the driven rim plate that the cooperation drive rim plate used, driven rim plate and the pivot fixed connection of extrusion screw post, be connected through being provided with driving belt between drive rim plate and the driven rim plate, the outside rear side fixedly connected with cooperation drive rim plate motor that uses of hopper down.

As an improvement, the positioning structure comprises baffle plates fixedly connected to two sides of the lower end of the outer part of the discharging hopper, and baffle blocks matched with the impurity collecting box are fixedly connected to the lower ends of one sides of the baffle plates, which are close to each other.

As an improvement, the mounting groove is formed in one side, close to each other, of the baffle, the spring is fixedly connected inside the mounting groove, positioning balls are fixedly connected to one side, close to the discharging hopper, of the spring, and positioning grooves matched with the positioning balls are formed in two sides of the outer portion of the discharging hopper.

Compared with the prior art, the utility model has the advantages that: 1. according to the utility model, the spiral fin fixedly connected to the inner wall of the threshing barrel and the rotary extrusion spiral column are adopted, the corn cob is conveyed between the gaps of the spiral fins through the rotation of the extrusion spiral column, and corn kernels on the corn cob are threshed through extrusion of the spiral fin and the rotary extrusion spiral column, so that the corn kernels on the corn cob can be separated more cleanly.

2. According to the corn cob threshing device, the discharging hopper with the filtering holes is adopted, when corn cobs are threshed in the threshing barrel, the threshed corn cobs can fall from the discharging holes in the movable plate, so that the corn cobs continue to thresh in the threshing barrel, the threshed corn cobs slide on the discharging hopper, some corn seeds with smaller quality difference and some impurities fall into the impurity collecting box from the filtering holes to be collected.

Drawings

Fig. 1 is a perspective view of a corn seed thresher of the present utility model.

Fig. 2 is a left side cross-sectional view of a corn seed thresher of the present utility model.

Fig. 3 is a front cross-sectional view of a corn seed thresher of the present utility model.

Fig. 4 is an enlarged a view of a corn seed thresher of the present utility model.

Fig. 5 is a bottom cross-sectional view of a corn seed thresher of the present utility model.

As shown in the figure: 1. threshing barrel; 2. a collecting hopper; 3. a discharge port; 4. a helical fin; 5. extruding the spiral column; 6. a support plate; 7. a foot support; 8. a linkage structure; 9. discharging a hopper; 10. an impurity collection box; 11. a positioning structure; 12. a movable plate; 13. a discharge hole; 14. a sliding groove; 15. a feed opening; 16. a driving wheel disc; 17. a driven wheel disc; 18. a drive belt; 19. a motor; 20. a baffle; 21. a stop block; 22. a mounting groove; 23. a spring; 24. positioning the small ball; 25. a positioning groove; 26. and (5) filtering holes.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in figures 1-5, the utility model is provided with a cylindrical threshing barrel 1, the upper part and the lower part of the threshing barrel 1 are provided with the same holes, the upper part is used as a feed inlet, the lower part is used as a discharge outlet 3, a collecting hopper 2 is arranged on the upper side of the outer part of the threshing barrel 1, corn cobs are conveniently fed into the threshing barrel 1 from the feed inlet, a spiral fin 4 is arranged around the inner part of the threshing barrel 1, an extrusion spiral column 5 matched with the spiral fin 4 is arranged inside the threshing barrel 1, the spiral slices around the extrusion spiral column 5 are gradually close to the spiral fin 4 through the rotation of the extrusion spiral column 5, corn kernels on the surface of the corn cobs are threshed, the front end and the rear end of the extrusion spiral column 5 are respectively connected with the front side and the rear side of the inner part of the threshing barrel 1 in a rotating way, an arc-shaped supporting plate 6 is arranged on the lower side of the outer part of the threshing barrel 1, the threshing barrel 1 is supported and fixed, the front and back of the two sides of the lower end of the supporting plate 6 are provided with the foot support 7, the whole threshing device is provided with the supporting and stabilizing function, the linkage structure 8 for driving the extrusion screw column 5 to rotate is arranged between the supporting plate 6 and the threshing barrel 1, the lower side of the supporting plate 6 is provided with the lower hopper 9 matched with the discharge hole 3 for use, the lower side of the lower hopper 9 is provided with the impurity collecting box 10, impurities which are fallen down together with corn grains during threshing are stored without polluting the processing environment, the positioning structure 11 is arranged between the impurity collecting box 10 and the lower hopper 9, the impurity collecting box 10 can only slide back and forth at the lower side of the lower hopper 9, the impurity collecting box 10 can keep stable and not fall off in a certain external force range, the lower side of the lower hopper 9 is provided with a plurality of evenly distributed filtering holes 26, the corn kernels with small diameters and impurities can fall into the impurity collecting box 10 conveniently when the corn kernels fall off.

The utility model is provided with a movable plate 12 matched with a discharge hole 3 at the lower end of the outside of a threshing barrel 1, a plurality of evenly distributed discharge holes 13 are arranged at the upper side of the movable plate 12 for corn kernels and impurities to fall into a blanking hopper 9 and prevent corn cobs from falling, a sliding groove 14 for the movable plate 12 to move back and forth is arranged at the upper side of a supporting plate 6, the movable plate 12 moves back and forth in the sliding groove 14, a blanking hole 15 matched with the discharge holes 13 is arranged at the lower side of the inside of the sliding groove 14, after corn kernels fall off, the movable plate 12 is pulled open, the corn cobs fall from the blanking hole 15 after the movable plate 12 is pulled forward, corn seeds of the next wave are threshed, a driving wheel disc 16 is arranged at the rear side of the supporting plate 6, a driven wheel disc 17 matched with the driving wheel disc 16 is connected at the rear side of the outside of the threshing barrel 1 in a rotating way, the driven wheel disc 17 is fixedly connected with the rotating shaft of the extrusion screw column 5, the extrusion screw column 5 is driven to rotate through the driven wheel disc 17, the driving wheel disc 16 is connected with the driven wheel disc 17 through a transmission belt 18, a motor 19 for providing power for the driving wheel disc 16 is arranged at the rear side outside the lower hopper 9, baffles 20 are arranged at two sides of the lower end outside the lower hopper 9, a baffle 21 matched with the impurity collecting box 10 is fixedly connected at the lower end of one side of the baffles 20, which is close to each other, so that the impurity collecting box 10 can slide back and forth at the upper side of the baffle 21, a mounting groove 22 is formed at one side of the baffles 20, a spring 23 is arranged in the mounting groove 22, a positioning small ball 24 is arranged at one side of the spring 23 close to the lower hopper 9, a positioning groove 25 matched with the positioning small ball 24 is formed at two sides outside the lower hopper 9, the impurity collecting box 10 is positioned by the positioning ball 24 being caught in the positioning groove 25.

In the concrete implementation of the utility model, corn cobs to be threshed are firstly sent into the collecting hopper 2, the corn cobs enter the threshing barrel 1 along the feed inlet at the upper side of the threshing barrel 1, the motor 19 is started, the driving wheel disc 16 drives the driven wheel disc 17 to rotate by utilizing the driving belt 18, the extrusion screw column 5 rotates in the threshing barrel 1, the corn cobs are extruded between the screw fin 4 and the extrusion screw column 5 in the rotation conveying process of the extrusion screw column 5, corn kernels are extruded and shed, corn kernels and impurities fall into the discharging hopper 9 from the inside of the discharging hole 13, corn seeds and impurities with smaller ruler diameters fall into the impurity collecting box 10 from the inside of the filtering hole 26, and corn seeds with better quality continue to fall into the discharging hopper 9 for collection, and after the corn cobs in the threshing barrel 1 are threshed, the movable plate 12 is pulled, and the corn cobs after threshing in the threshing barrel 1 are discharged and the corn cobs after threshing is finished in this way.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (5)

1. The corn seed threshing machine comprises a threshing barrel (1), and is characterized in that: the utility model discloses a threshing barrel, including threshing barrel (1) and collecting hopper (2) of external upside fixedly connected with, collecting hopper (2) is with the inside through connection of threshing barrel (1), discharge gate (3) have been seted up to threshing barrel (1) inside downside, fixedly connected with helical fin (4) around threshing barrel (1) inside, threshing barrel (1) inside is provided with extrusion screw column (5) that cooperation helical fin (4) used, the front and back end of extrusion screw column (5) rotates with the inside front and back side of threshing barrel (1) respectively to be connected, the outside downside fixedly connected with curved backup pad (6) of threshing barrel (1), all fixedly connected with foot rest (7) around backup pad (6) lower extreme both sides, be provided with interlock structure (8) that cooperation extrusion screw column (5) used between backup pad (6) and threshing barrel (1), backup pad (6) downside fixedly connected with lower hopper (9) that cooperation discharge gate (3) used, lower hopper (9) are located between foot rest (7), lower hopper (9) are provided with impurity box (10) and are located between box (10), a plurality of evenly distributed filter holes (26) are formed in the lower side of the inner part of the discharging hopper (9).

2. A corn seed thresher as claimed in claim 1, wherein: the threshing barrel is characterized in that a movable plate (12) matched with the discharge hole (3) is arranged at the lower end of the outer part of the threshing barrel (1), a plurality of evenly distributed discharge holes (13) are formed in the upper side of the movable plate (12), a sliding groove (14) matched with the movable plate (12) is formed in the upper side of the supporting plate (6), and a discharging hole (15) matched with the discharge holes (13) is formed in the lower side of the inner part of the sliding groove (14).

3. A corn seed thresher as claimed in claim 1, wherein: the driving wheel disc (16) of interlock structure (8) including rotating to be connected in backup pad (6) rear side, the outside rear side of threshing cylinder (1) rotates driven wheel disc (17) that are connected with cooperation driving wheel disc (16) and use, driven wheel disc (17) are with the pivot fixed connection of extrusion screw post (5), be connected through being provided with driving belt (18) between driving wheel disc (16) and driven wheel disc (17), the outside rear side fixedly connected with cooperation driving wheel disc (16) of lower hopper (9) uses motor (19).

4. A corn seed thresher as claimed in claim 1, wherein: the positioning structure (11) comprises baffle plates (20) fixedly connected to two sides of the lower end of the outer part of the discharging hopper (9), and baffle blocks (21) matched with the impurity collecting box (10) are fixedly connected to the lower ends of the side, close to each other, of the baffle plates (20).

5. The corn seed thresher of claim 4, wherein: mounting grooves (22) are formed in one sides, close to each other, of the baffles (20), springs (23) are fixedly connected inside the mounting grooves (22), positioning balls (24) are fixedly connected to one sides, close to the discharging hopper (9), of the springs (23), and positioning grooves (25) matched with the positioning balls (24) are formed in two sides of the outer portion of the discharging hopper (9).