Screening device for tomato seeds

Abstract

The utility model relates to the technical field of tomato seed screening, and discloses a tomato seed screening device which comprises a device body, the top of the device body is fixedly connected with a feeding hopper, the inner wall of the device body is fixedly connected with a vibrator, and the top of the vibrator is fixedly connected with a screening tray. According to the utility model, through the sieve tray, the dust collection filter cylinder, the electric thrower, the dust collection fan and the sieve tray which is driven by a plurality of vibrators to carry out preliminary screening of waste seeds, and through the electric thrower which is arranged between the guide seat and the sieve tray, the seeds can be conveniently pushed and planed to carry out fine preliminary screening and subsequently thrown to the color sorting pipe to carry out secondary seed selection; and a dust collection air pipe is fixedly connected between a dust collection fan and the interior of a dust collection filter cylinder at the bottom of a guide seat, so that dust collection treatment is conveniently performed on flying dust generated in the seed vibration screening process, and the dust collection is conveniently performed for vibration fine primary screening of dysplasia, wizened and incomplete waste seeds.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tomato seed screening, especially to a screening device for tomato seeds. BACKGROUND

[0002] Tomato is a solanaceous plant, which is an annual vegetable, and its edible part is juicy fruit, so it is widely cultivated. In tomato cultivation, a screening device is needed for seed selection.

[0003] The screening device mainly removes impurities and bad seeds in the seeds to ensure seed purity and provide a good foundation for crop growth.

[0004] The screening device in the prior art can screen impurities and bad seeds in the seeds, but the single oscillation screening is prone to cause imprecise seed selection, thereby affecting the accuracy of the seed selection pass rate. Therefore, a screening device for tomato seeds is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] To make up for the above shortcomings, the utility model provides a screening device for tomato seeds, which aims to improve the problem of single oscillation screening in the prior art, which is prone to cause imprecise seed selection, thereby affecting the accuracy of the seed selection pass rate.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a screening device for tomato seeds, comprising a device main body, a feeding hopper fixedly connected to the top of the device main body, a vibrator fixedly connected to the inner wall of the device main body, a sieve disc fixedly connected to the top of the vibrator, a dust collection filter cartridge fixedly connected to the bottom end of the inner wall of the device main body, a guide seat fixedly connected to the top of the dust collection filter cartridge, a connecting seat fixedly connected to the lower edge of the front of the device main body, a dust collection fan fixedly connected to the bottom end of the connecting seat, an electric control gate fixedly connected to the upper edge of the front of the device main body close to the sieve disc, a color selection material pipe fixedly connected to the front end of the electric control gate, a first waste material opening and a second waste material opening sequentially arranged from top to bottom on the left side of the color selection material pipe, a waste material discharge pipe fixedly connected between the front of the device main body and the inner walls of the first waste material opening and the second waste material opening, a gas pump fixedly connected to the right side of the color selection material pipe, a gas spray seed selection assembly arranged between the output end of the gas pump and the inside of the color selection material pipe, the gas spray seed selection assembly comprising a first gas nozzle row and a second gas nozzle row fixedly connected to the inner wall of the color selection material pipe from top to bottom, and a color selection CCD camera fixedly connected to the upper edge of the inner wall of the color selection material pipe between the first gas nozzle row and the second gas nozzle row.

[0007] Further description of the above technical scheme:

[0008] The input end of the first air nozzle row and the second air nozzle row is fixedly connected with a shunt electric control valve pipe.

[0009] As a further description of the above technical solution:

[0010] The output end of the first air nozzle row and the second air nozzle row is provided with a plurality of air nozzles, and the plurality of air nozzles of the first air nozzle row and the plurality of air nozzles of the second air nozzle row are staggered, and the shunt electric control valve pipe is provided with a plurality of pipes with electric control valves corresponding to the plurality of air nozzles.

[0011] As a further description of the above technical solution:

[0012] The front of the device body is fixedly connected with a mounting seat below the electric control gate, and a vibration motor is fixedly connected between the top of the mounting seat and the bottom end of the color selection material pipe.

[0013] As a further description of the above technical solution:

[0014] The two sides of the device body are fixedly connected with support columns on the upper edge, and the device body is fixedly connected with a clamping seat on the lower edge, and a waste box is movably connected to the inner side of the clamping seat, and a discharge slot is formed at the front and rear ends of the bottom of the device body.

[0015] As a further description of the above technical solution:

[0016] The back of the dust suction fan is fixedly connected with a dust suction pipe between the inside of the dust suction filter cylinder.

[0017] As a further description of the above technical solution:

[0018] The top of the guide seat and the top of the sieve disc are provided with an electric material throwing device, and the electric material throwing device comprises a motor, a stirring shaft and a material throwing impeller.

[0019] As a further description of the above technical solution:

[0020] The front end of the top of the inner wall of the color selection material pipe is fixedly connected with a material collecting seat, the upper edge of the inner wall of the color selection material pipe and located between the first waste port and the second waste port is fixedly connected with a material guide seat, and the lower edge of the inner wall of the color selection material pipe and located between the first waste port and the second waste port is fixedly connected with a discharge sliding seat.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1. The utility model discloses, through the sieve tray, dust absorption filter drum, electric thrower, dust absorption fan, the sieve tray of the drive installation of multiple vibrator carries out the initial screening of the seed of input seed, and through the electric thrower that sets up between the guide seat and sieve tray, it is convenient for the fine initial screening of the seed of push planing and the subsequent seed of throwing to the color selection material pipe carries out secondary seed selection use, and through the dust absorption air pipe that dust absorption fan and guide seat bottom dust absorption filter drum inside fixedly connected, it is convenient for the dust that generates in the process of vibrating seed screening to carry out dust absorption treatment use, thereby it is convenient for the development of the seed of unripe, dry and not complete to carry out the fine initial screening of the vibration.

[0023] 2. The utility model discloses, through the seed selection component of air jet, color selection CCD camera, the two color selection CCD cameras of color selection material pipe inner wall located first air jet row and second air jet row's upper edge installation can carry out two section continuous color selection to the seed of sliding, and through the first air jet row and second air jet row with multiple staggered setting jet nozzle, the shunt electric control valve pipe that a plurality of electric control valve's pipeline and multiple jet nozzles are correspondingly connected is combined air pump control injection through a plurality of, it is convenient for the seed of color selection to carry out accurate air jet selection, thereby realizes two section continuous color selection accurate air jet screening seed use. DRAWINGS

[0024] Figure 1 It is the overall front view three-dimensional schematic diagram of a kind of screening device of tomato seed proposed in the utility model;

[0025] Figure 2 It is the overall rear view three-dimensional schematic diagram of a kind of screening device of tomato seed proposed in the utility model;

[0026] Figure 3 It is the overall side view cross section internal structure schematic diagram of a kind of screening device of tomato seed proposed in the utility model;

[0027] Figure 4 It is the local cross section structure schematic diagram of a kind of screening device of tomato seed proposed in the utility model of color selection material pipe, vibrating motor, first waste material port, second waste material port, material collecting seat, guide material seat, slide seat, air pump, seed selection component of air jet, color selection CCD camera.

[0028] Legend:

[0029] 1, device main body; 2, feeding hopper; 3, support column; 4, card seat; 5, waste extraction box; 6, discharge chute; 7, vibrator; 8, sieve disc; 9, dust collection filter cartridge; 10, guide seat; 11, electric material throwing device; 12, connecting seat; 13, dust collection fan; 14, dust collection air pipe; 15, electric control gate; 16, color selection material pipe; 17, mounting seat; 18, vibration motor; 19, first waste outlet; 20, second waste outlet; 21, waste discharge pipe; 22, material collecting seat; 23, material guide seat; 24, discharge slide; 25, air pump; 26, air jet seed selection assembly; 261, first air nozzle row; 262, second air nozzle row; 263, shunt electric control valve pipe; 27, color selection CCD camera. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] With reference to Figure 1 , Figure 2 and Figure 3 , an embodiment provided by the present application is a screening device for tomato seeds, comprising a device main body 1, a feeding hopper 2 fixedly connected to the top of the device main body 1, support columns 3 fixedly connected to the two sides of the device main body 1, card seats 4 fixedly connected to the lower sides of the device main body 1, detachable waste extraction boxes 5 movably connected to the inner sides of the card seats 4, discharge chutes 6 formed at the front and rear ends of the bottom of the device main body 1, waste seeds and sundries discharged from the discharge chutes 6 being collected by the waste extraction boxes 5, a plurality of vibrators 7 fixedly connected to the inner walls of the device main body 1, sieve discs 8 for screening out underdeveloped, shriveled and incomplete seeds fixedly connected to the top of the vibrators 7, dust collection filter cartridges 9 fixedly connected to the bottom end of the inner walls of the device main body 1, guide seats 10 fixedly connected to the top of the dust collection filter cartridges 9, electric material throwing devices 11 for pushing and planing the seeds and providing the seeds to the color selection material pipe 16 arranged between the top of the guide seat 10 and the top of the sieve disc 8, the electric material throwing devices 11 comprising a motor, a stirring shaft and a material throwing impeller, connecting seats 12 fixedly connected to the lower side of the front of the device main body 1, dust collection fans 13 fixedly connected to the bottom end of the connecting seats 12, dust collection air pipes 14 fixedly connected between the back of the dust collection fans 13 and the inside of the dust collection filter cartridges 9, the dust collection air pipes 14 being used for conveniently performing dust collection treatment on the dust generated in the process of vibrating and screening the seeds.

[0032] With reference to Figure 1 , Figure 3 and Figure 4The front of the device body 1 is fixedly connected with an electrically controllable gate 15 near the upper edge of the sieve disc 8, the front end of the electrically controllable gate 15 is fixedly connected with a color selection material pipe 16 for secondary screening, the front of the device body 1 is fixedly connected with a mounting seat 17 below the electrically controllable gate 15, a vibration motor 18 is fixedly connected between the top of the mounting seat 17 and the bottom end of the color selection material pipe 16, the electrically controllable gate 15 is used for the uniform speed conveying of the vertically oscillated seeds thrown by the electrically controllable gate 15 to the color selection material pipe 16, the left side of the color selection material pipe 16 is sequentially provided with a first waste outlet 19 and a second waste outlet 20 from top to bottom for discharging color selection waste seeds, a waste discharge pipe 21 is fixedly connected between the front of the color selection material pipe 16 and the inner walls of the first waste outlet 19 and the second waste outlet 20 for facilitating the centralized recovery of waste seeds, a material collecting seat 22 is fixedly connected to the front end of the top inner wall of the color selection material pipe 16 for limiting the splashing of seeds, a material guiding seat 23 is fixedly connected to the upper edges of the first waste outlet 19 and the second waste outlet 20 of the inner wall of the color selection material pipe 16 for limiting the directional sliding of seeds, a discharging sliding seat 24 is fixedly connected to the lower edges of the first waste outlet 19 and the second waste outlet 20 of the inner wall of the color selection material pipe 16 for facilitating the discharging of color selection waste seeds, a gas pump 25 is fixedly connected to the right side of the color selection material pipe 16 for providing seed selection power, a gas spraying seed selection assembly 26 is arranged between the output end of the gas pump 25 and the inside of the color selection material pipe 16, the gas spraying seed selection assembly 26 includes a first gas nozzle row 261 and a second gas nozzle row 262 fixedly connected to the front end of the inner wall of the color selection material pipe 16 from top to bottom, a shunt electrically controllable valve pipe 263 is fixedly connected between the input end of the first gas nozzle row 261 and the second gas nozzle row 262 and the output end of the gas pump 25, a color selection CCD camera 27 is fixedly connected to the upper edges of the first gas nozzle row 261 and the second gas nozzle row 262 of the inner wall of the color selection material pipe 16 for two-stage continuous color selection of sliding seeds, a plurality of gas nozzles are arranged at the output end of the first gas nozzle row 261 and the second gas nozzle row 262, the plurality of gas nozzles of the first gas nozzle row 261 and the plurality of gas nozzles of the second gas nozzle row 262 are arranged alternately, the shunt electrically controllable valve pipe 263 is arranged in one-to-one correspondence with the plurality of gas nozzles through a plurality of pipes with electrically controllable valves, so as to accurately spray the color selection seeds, the color selection unqualified seeds are sprayed to the first waste outlet 19 and the second waste outlet 20 with the discharging sliding seat 24, and the waste seeds are collected through the waste discharge pipe 21 and recovered into the waste box 5 at the bottom of the device body 1.

[0033] Working principle: in use, the seeds to be screened are put into the device main body 1 from the feeding hopper 2, and through the start of the multiple vibrators 7, the electric thrower 11 and the dust suction fan 13, the top fixedly connected sieve plate 8 driven by the vibrator 7 is used for the initial screening of the underdeveloped, shriveled and incomplete seeds, at the same time, the electric thrower 11 arranged between the top of the guide base 10 and the top of the sieve plate 8 is used for pushing and planing the seeds for fine vibration screening, and the dust suction pipe 14 fixedly connected between the dust suction fan 13 and the inside of the dust suction filter cylinder 9 is used for dust suction treatment during the vibration screening of the seeds, after the initial screening is completed, the electrically controlled gate 15 is opened, the seeds screened initially are fed to the color selection material pipe 16 by the electric thrower 11, and the vibration motor 18 is opened, the seeds in the color selection material pipe 16 thrown by the electric thrower 11 are vertically oscillated and uniformly conveyed, the conveyed seeds pass through the material collecting seat 22 limiting the spattering of the seeds and the material guiding seat 23 limiting the directional sliding of the seeds, and then pass through the two color selection CCD cameras 27 fixedly connected to the upper edges of the first air nozzle row 261 and the second air nozzle row 262, the two color selection CCD cameras 27 are used for the two-section continuous color selection of the sliding seeds, and through the first air nozzle row 261 and the second air nozzle row 262 with multiple staggered air nozzles and the multiple shunt electric valve pipes 263 with electric valve pipes corresponding to the multiple air nozzles, combined with the driving of the air pump 25, the unqualified seeds in the color selection are precisely sprayed and selected, the unqualified seeds in the color selection are sprayed to the first waste outlet 19 and the second waste outlet 20 with the discharging slide seat 24, and then collected to the waste suction box 5 at the bottom of the device main body 1 through the waste discharge pipe 21, so that the fine screening of the seeds is completed.

[0034] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A tomato seed screening device, comprising a device body (1), characterized in that: A feeding hopper (2) is fixedly connected to the top of the main body (1) of the device. A vibrator (7) is fixedly connected to the inner wall of the main body (1). A screen plate (8) is fixedly connected to the top of the vibrator (7). A dust collection filter (9) is fixedly connected to the bottom of the inner wall of the main body (1). A guide seat (10) is fixedly connected to the top of the dust collection filter (9). A connecting seat (12) is fixedly connected to the lower edge of the front of the main body (1). A dust collection fan (13) is fixedly connected to the bottom of the connecting seat (12). An electrically controlled gate (15) is fixedly connected to the upper edge of the front of the main body (1) near the screen plate (8). A color sorting tube (16) is fixedly connected to the front end of the electrically controlled gate (15). The left side of the color sorting tube (16) from top to bottom... A first waste port (19) and a second waste port (20) are sequentially provided. A waste pipe (21) is fixedly connected between the front of the main body (1) and the inner wall of the first waste port (19) and the second waste port (20). An air pump (25) is fixedly connected to the right side of the color sorting tube (16). An air-jet seed sorting component (26) is provided between the output end of the air pump (25) and the inside of the color sorting tube (16). The air-jet seed sorting component (26) includes a first air nozzle row (261) and a second air nozzle row (262) that are fixedly connected from top to bottom to the front end of the inner wall of the color sorting tube (16). A color sorting CCD camera (27) is fixedly connected to the upper edge of the first air nozzle row (261) and the second air nozzle row (262) on the inner wall of the color sorting tube (16).

2. The tomato seed screening device according to claim 1, characterized in that: A shunt electronic control valve tube (263) is fixedly connected between the input end of the first air nozzle (261) and the second air nozzle (262) and the output end of the air pump (25).

3. The tomato seed screening device according to claim 2, characterized in that: The output ends of the first air nozzle row (261) and the second air nozzle row (262) are each provided with multiple air nozzles, and the multiple air nozzles of the first air nozzle row (261) and the multiple air nozzles of the second air nozzle row (262) are arranged alternately, and the diversion electric control valve pipe (263) is provided with multiple pipes with electric control valves and the multiple air nozzles are arranged one by one.

4. The tomato seed screening device according to claim 1, characterized in that: The main body (1) of the device is fixedly connected to a mounting base (17) on the lower edge of the electric control gate (15). A vibration motor (18) is fixedly connected between the top of the mounting base (17) and the bottom of the color sorting tube (16).

5. The tomato seed screening device according to claim 1, characterized in that: Support columns (3) are fixedly connected to the upper edges of both sides of the main body (1) of the device. Card seats (4) are fixedly connected to the lower sides of the main body (1). Waste drawer (5) is movably engaged on the inner side of the card seat (4). Discharge grooves (6) are opened at the front and rear ends of the bottom of the main body (1).

6. The tomato seed screening device according to claim 1, characterized in that: A suction duct (14) is fixedly connected between the back of the suction fan (13) and the inside of the suction filter cartridge (9).

7. The tomato seed screening device according to claim 1, characterized in that: An electric feeder (11) is provided between the top of the guide seat (10) and the top of the sieve plate (8). The electric feeder (11) consists of a motor, a stirring shaft and a feeding impeller.

8. The tomato seed screening device according to claim 1, characterized in that: A material collection seat (22) is fixedly connected to the front end of the top of the inner wall of the color sorting tube (16). A guide seat (23) is fixedly connected to the upper edge of the inner wall of the color sorting tube (16) and the first waste port (19) and the second waste port (20). A discharge slide (24) is fixedly connected to the lower edge of the inner wall of the color sorting tube (16) and the first waste port (19) and the second waste port (20).

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