Seed screening machine

Abstract

The utility model relates to the technical field of seed screening, in particular to a seed screening machine. Comprising a cylindrical material receiving barrel installed on a bottom plate, the two sides of the material receiving barrel are open, a material storage barrel is installed in the material receiving barrel, the material storage barrel is in a round tank shape, and a plurality of rows of large screening holes and small screening holes which are staggered are formed in the surface of the material storage barrel; the sleeve is of a circular ring structure, screening holes consistent with the large screening holes in the storage barrel in size are formed in the surface of the sleeve, the left side of the storage barrel is open and communicates with a fixed fan groove, and the other end of the fan groove is a left shaft; a right pipe is buckled and fixed on the right side of the storage barrel; the sleeve installed on the material storage barrel has three functions of sealing and screening small-particle seeds and screening large-particle seeds, and is simple to operate, exquisite in design, extremely low in manufacturing cost and suitable for screening small-batch seeds.

Description

Technical Field

[0001] The utility model relates to the technical field of seed screening, in particular to a seed screening machine. Background Art

[0002] Currently, the existing technologies for seed screening are relatively mature. Although the seed screening machines on the market can achieve fine screening, they are not suitable for screening small batches of seeds due to their complex design and high cost. For home use and some online stores, overly expensive seed screening machines will also greatly increase production costs and reduce profits.

[0003] At the same time, the seed screening machines on the market can only screen seeds of different sizes, or can only separate the seed coat from the seed grains.

[0004] There is an urgent need for a multifunctional seed screening machine that can effectively reduce screening costs. Utility Model Content

[0005] In order to make up for the deficiencies in the prior art and achieve the above functions, the utility model provides a seed screening machine.

[0006] The utility model is realized through the following technical solutions:

[0007] A seed screening machine comprises a cylindrical material receiving barrel mounted on a bottom plate, the two sides of the material receiving barrel are open and a material storage barrel is mounted inside, the material storage barrel is in the shape of a round can and a plurality of rows of staggered large screening holes and small screening holes are arranged on its surface, a sleeve capable of moving left and right is mounted on the outer shell of the material storage barrel, the sleeve is a circular ring structure and a screening hole of the same size as the large screening hole on the material storage barrel is arranged on its surface;

[0008] The left side of the material storage barrel is open and communicated with a fixed fan slot, and the other end of the fan slot is a left shaft; the right side of the material storage barrel is buckled and fixed with a right tube, and the right tube has a built-in thread.

[0009] Furthermore, the material receiving barrel is supported on the bottom plate by two supports at the bottom, the bottom opening of the material receiving barrel is connected to the discharge funnel below, and a safety door that can be rotatably opened is hinged on the barrel wall in front of the material receiving barrel.

[0010] Furthermore, a left bracket and a right bracket are fixed to the left and right sides of the receiving barrel respectively, a controller is fixed in the middle of the left bracket, a control panel and a motor are installed on the left bracket, the rotating shaft of the motor is connected to the left shaft through a coupling, and the left shaft passes through a left bearing seat fixed on the left bracket;

[0011] A right bearing seat is fixed on the right bracket, and the right tube is installed on the right bearing seat.

[0012] Furthermore, a transverse limit block is welded on the outer shell of the storage barrel, and a square hole penetrating from top to bottom is provided on the right side of the limit block;

[0013] The sleeve is provided with a card slot, which includes a horizontal card slot located at the bottom and three vertical card slots. The horizontal card slot is connected with the vertical card slot, and a horizontal limit block is located in the horizontal card slot to ensure that the sleeve can only move left and right.

[0014] Furthermore, a longitudinal limit block is clamped above the transverse limit block, and the longitudinal limit block includes a limit body and a limit clamping protrusion. The longitudinal limit block limits the left and right movement of the sleeve by clamping the limit clamping protrusion in the square hole of the transverse limit block.

[0015] Furthermore, the transverse limit block and the longitudinal limit block are both arc-shaped;

[0016] When the longitudinal limit block is fixed in the leftmost vertical slot, the screening holes on the sleeve are completely interlaced with the holes on the storage barrel, and the storage barrel is in a completely closed state.

[0017] When the longitudinal limit block is fixed in the middle vertical slot, the screening hole on the sleeve completely overlaps with the large screening hole on the storage barrel, and the small screening hole on the storage barrel is completely covered;

[0018] When the longitudinal limit block is fixed in the rightmost vertical slot, the screening hole on the sleeve completely overlaps with the small screening hole on the storage barrel, and the large screening hole on the storage barrel is completely covered.

[0019] Furthermore, an output pipe is installed on the right side of the right pipe, the output pipe is arc-shaped, the internal thread of the right pipe is meshed with the external thread of the output pipe, and a suction fan is installed inside the side of the output pipe close to the right pipe.

[0020] Furthermore, a turbofan is installed in the fan slot, and the turbofan completely covers the left opening of the storage barrel.

[0021] The beneficial effects of the utility model are:

[0022] The sleeve installed on the storage barrel of the utility model has three functions of sealing, screening small-grain seeds and screening large-grain seeds, and has simple operation, exquisite design and extremely low cost, and is suitable for screening small batches of seeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0025] Figure 3This is a schematic diagram of the structure of the material storage barrel of the utility model;

[0026] Figure 4 for Figure 3 A half-section schematic diagram of

[0027] Figure 5 Schematic diagram of the structure after the storage barrel and sleeve are assembled Figure 1 ;

[0028] Figure 6 Schematic diagram of the structure after the storage barrel and sleeve are assembled Figure 2 ;

[0029] Figure 7 It is a structural schematic diagram of the longitudinal limit block of the utility model.

[0030] In the figure,

[0031] 1- receiving barrel, 101- support, 102- safety door,

[0032] 2-bottom plate, 201-left bracket, 202-right bracket, 203-discharging funnel, 204-left bearing seat, 205-right bearing seat,

[0033] 3-sleeve, 301-screening hole, 302-slot, 3021-vertical slot, 3022-horizontal slot,

[0034] 4-storage barrel, 401-large screening hole, 402-small screening hole, 403-lateral limit block, 404-left shaft, 405-left bearing, 406-right tube,

[0035] 5-fan slot, 501-turbo fan, 6-longitudinal limit block, 601-limit body, 602-limit convex,

[0036] 7- output pipe, 701- suction fan, 8- plug, 9- control panel, 901- motor, 902- controller. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0038] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0039] like Figures 1 to 7 As shown, the utility model comprises a cylindrical material receiving barrel 1 mounted on a bottom plate 2, the two sides of the material receiving barrel 1 are open and a material storage barrel 4 is installed inside, the material storage barrel 4 is in the shape of a round can for holding unscreened seeds, and a plurality of rows of staggered screening large holes 401 and screening small holes 402 are arranged on its surface for screening seeds of different sizes, a sleeve 3 capable of moving left and right is installed on the outer shell of the material storage barrel 4, the sleeve 3 is a circular ring structure and a screening hole 301 of the same size as the screening large hole on the material storage barrel 4 is arranged on its surface;

[0040] The left side of the material storage barrel 4 is open and communicated with the fixed fan slot 5 , and the other end of the fan slot 5 is a left shaft 404 ; the right side of the material storage barrel 4 is buckled and fixed with a right tube 406 , and the right tube 406 has a built-in thread.

[0041] The receiving barrel 1 is supported on the bottom plate 2 by two supports 101 at the bottom. The bottom opening of the receiving barrel 1 is connected to the discharge funnel 203 below, so that the material can be discharged in time. A safety door 102 that can be rotated and opened is hinged on the barrel wall in front of the receiving barrel 1 to facilitate the staff to adjust the operation.

[0042] A left bracket 201 and a right bracket 202 are fixed to the left and right sides of the receiving barrel 1 respectively, and a controller 902 is fixed in the middle of the left bracket 201, and the controller 902 can be a conventional PLC; a control panel 9 and a motor 901 are installed on the left bracket 201, and the rotating shaft of the motor 901 is connected to the left shaft 404 through a coupling, and the left shaft 404 passes through the left bearing seat 204 fixed on the left bracket 201; a right bearing seat 205 is fixed to the right bracket 202, and the right tube 406 is installed on the right bearing seat 205, and each bearing seat has a built-in bearing and cooperates with a retaining spring, which is the prior art and will not be repeated here.

[0043] A transverse limit block 403 is welded on the outer shell of the storage barrel 4, and a square hole penetrating from top to bottom is arranged on the right side of the limit block 403.

[0044] The sleeve 3 is provided with a slot 302, and the slot 302 includes a horizontal slot 3022 located at the bottom and three vertical slots 3021. The horizontal slot 3022 is connected to the vertical slot 3021, and the horizontal limit block 403 is located in the horizontal slot 3022 to ensure that the sleeve 3 can only move left and right; a longitudinal limit block 6 is clamped above the horizontal limit block 403, and the longitudinal limit block 6 includes a limiting body 601 and a limiting clamping protrusion 602. The longitudinal limit block 6 limits the left and right movement of the sleeve 3 by clamping the limiting clamping protrusion 602 in the square hole of the horizontal limit block 403. The horizontal limit block 403 and the longitudinal limit block 6 are both arc-shaped.

[0045] An output pipe 7 is installed on the right side of the right tube 406, and the output pipe 7 is arc-shaped. The internal thread of the right tube 406 is meshed with the external thread of the output pipe 7, and a suction fan 701 is installed inside the side of the output pipe 7 close to the right tube 406; the turbofan 501 and the suction fan 701 are both wireless fans, and a filter plate is set on the right side of the turbofan 501, and no filter plate is set on the left side of the suction fan 701 in order to allow seed coats and the like to pass through.

[0046] The working principle of the utility model is:

[0047] (1) Seeds of different diameters are loaded into the storage barrel 4 through the output pipe 7.

[0048] (2) When the longitudinal limit block 6 is fixed in the leftmost vertical slot 3021, the screening holes 301 on the sleeve 3 are completely staggered with the holes on the storage barrel 4, and the storage barrel 4 is in a completely closed state. At this time, the motor 901 drives the storage barrel 4 to rotate to churn the seeds, and at the same time, the turbofan 501 and the suction fan 701 are started. The turbofan 501 blows the lighter debris such as the seed coat in the storage barrel 4 to the left, and the suction fan 701 also provides suction to the right to discharge the seed coat and other impurities.

[0049] (3) When the longitudinal limit block 6 is fixed in the middle vertical slot 3021, the screening hole 301 on the sleeve 3 completely overlaps with the large screening hole 401 on the storage barrel 4, and the small screening hole 402 on the storage barrel 4 is completely covered. At this time, the plug 8 is used to tighten the right tube 406, and the storage barrel 4 rotates to screen the large-particle seeds into the receiving barrel 1, while the small-particle seeds are left in the storage barrel 4.

[0050] (4) When the longitudinal limit block 6 is fixed in the rightmost vertical slot 3021, the screening hole 301 on the sleeve 3 completely overlaps with the small screening hole 402 on the storage barrel 4, and the large screening hole 401 on the storage barrel 4 is completely covered. The storage barrel 4 rotates to screen the seeds with small particles into the receiving barrel 1, while the seeds with large particles are left in the storage barrel 4.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A seed screening machine, characterized in that: It comprises a cylindrical material receiving barrel (1) mounted on a bottom plate (2), the two sides of the material receiving barrel (1) being open and a material storage barrel (4) being mounted inside, the material storage barrel (4) being in the shape of a round can and having a plurality of rows of staggered large screening holes (401) and small screening holes (402) arranged on its surface, a sleeve (3) being movable left and right being mounted on the outer shell of the material storage barrel (4), the sleeve (3) being in a circular ring structure and having screening holes (301) on its surface being the same size as the large screening holes on the material storage barrel (4); The left side of the material storage barrel (4) is open and communicates with a fixed fan slot (5), and the other end of the fan slot (5) is a left shaft (404); the right side of the material storage barrel (4) is buckled and fixed with a right tube (406), and the right tube (406) has a built-in thread.

2. The seed screening machine according to claim 1, characterized in that: The receiving barrel (1) is supported on the bottom plate (2) via two supports (101) at the bottom; the bottom opening of the receiving barrel (1) is connected to the discharge hopper (203) below; and a safety door (102) that can be swiveled open is hinged on the barrel wall in front of the receiving barrel (1).

3. The seed screening machine according to claim 1, characterized in that: A left bracket (201) and a right bracket (202) are fixed to the left and right sides of the receiving barrel (1), respectively; a controller (902) is fixed in the middle of the left bracket (201); a control panel (9) and a motor (901) are mounted on the left bracket (201); a rotating shaft of the motor (901) is connected to a left shaft (404) via a coupling; and the left shaft (404) passes through a left bearing seat (204) fixed on the left bracket (201); A right bearing seat (205) is fixed on the right bracket (202), and the right tube (406) is installed on the right bearing seat (205).

4. The seed screening machine according to claim 1, characterized in that: A transverse limit block (403) is welded on the outer shell of the storage barrel (4), and a square hole penetrating from top to bottom is provided on the right side of the limit block (403); The sleeve (3) is provided with a slot (302), the slot (302) comprising a transverse slot (3022) located below and three vertical slots (3021), the transverse slot (3022) being connected to the vertical slots (3021), and a transverse limit block (403) being located in the transverse slot (3022) to ensure that the sleeve (3) can only move leftward and rightward.

5. The seed screening machine according to claim 4, characterized in that: A longitudinal limit block (6) is clamped above the transverse limit block (403), the longitudinal limit block (6) comprising a limit body (601) and a limit clamping protrusion (602), and the longitudinal limit block (6) limits the left and right movement of the sleeve (3) by clamping the limit clamping protrusion (602) in the square hole of the transverse limit block (403).

6. The seed screening machine according to claim 5, characterized in that: The transverse limit block (403) and the longitudinal limit block (6) are both arc-shaped; When the longitudinal limit block (6) is fixed in the leftmost vertical slot (3021), the screening holes (301) on the sleeve (3) and the holes on the storage barrel (4) are completely interlaced, and the storage barrel (4) is in a completely sealed state; When the longitudinal limit block (6) is fixed in the middle vertical slot (3021), the screening hole (301) on the sleeve (3) completely overlaps with the large screening hole (401) on the storage barrel (4), and the small screening hole (402) on the storage barrel (4) is completely covered; When the longitudinal limit block (6) is fixed in the rightmost vertical slot (3021), the screening hole (301) on the sleeve (3) completely overlaps with the small screening hole (402) on the storage barrel (4), and the large screening hole (401) on the storage barrel (4) is completely covered.

7. The seed screening machine according to claim 1, characterized in that: An output pipe (7) is installed on the right side of the right pipe (406); the output pipe (7) is arc-shaped; the internal thread of the right pipe (406) is meshed with the external thread of the output pipe (7); and a suction fan (701) is installed inside the side of the output pipe (7) close to the right pipe (406).

8. The seed screening machine according to claim 1, characterized in that: A turbofan (501) is installed in the fan slot (5), and the turbofan (501) completely covers the left opening of the material storage barrel (4).

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