Grain winnowing and impurity removing device

Abstract

The utility model relates to the field of impurity removal equipment, and discloses a grain winnowing impurity removal device which comprises a shell, and a vibration screening mechanism is arranged in the shell. The vibration screening mechanism comprises a coarse screening plate, four joint plates, a bidirectional motor and a connecting rod, the outer side of the coarse screening plate is arranged in the shell, the upper side walls of the four joint plates are fixedly connected to the inner top wall of the shell, and the front side wall and the rear side wall of the coarse screening plate and the bottom walls of the joint plates are fixedly connected with four first connecting blocks. By means of the vibration screening mechanism, the problems that the purity and quality of grains are affected, the grain sorting precision is reduced, and therefore the efficiency and cost control of the whole production process are affected can be solved, vibration can be generated during operation of a two-way motor to drive a coarse screening plate to vibrate, and the efficiency and cost control of the whole production process are improved. Therefore, the impurity removal efficiency and precision, the sorting quality, the equipment stability and the production efficiency are effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of impurity removal equipment, and particularly relates to a grain air separation impurity removal device. Background Art

[0002] During the processes of harvesting, transporting and storing grains, various impurities and dusts, such as straws, clods, chaffs, etc., are often mixed in, which will have an adverse impact on the quality and market competitiveness of grains. Grain air separators can effectively separate these impurities and improve the purity and market acceptance of grains.

[0003] A grain air separation impurity removal device is a device used for grain processing. Its main function is to separate impurities in grains, such as chaffs, straws, stones, sands, etc., through air flow, mechanical vibration and other means, so as to improve the quality and purity of grains. When removing impurities from grains, when most of the existing devices remove impurities, some larger and heavier impurities cannot be blown, resulting in the remaining impurities being mixed with the grains, which may not be able to effectively classify the grains by layer, thus affecting the purity and quality of the grains, reducing the precision of grain separation, and then affecting the efficiency and cost control of the entire production process. When grains enter the device, they may bring in dust and impurities in the air, and these dust and impurities may spread inside the device, thus increasing the dust concentration in the working environment, which may lead to frequent cleaning and maintenance work, affecting the normal operation and efficiency of the equipment, and reducing the efficiency and precision of impurity removal. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide a grain air separation impurity removal device, which can effectively solve the problems that affect the purity and quality of grains, reduce the precision of grain separation, thus affecting the efficiency and cost control of the entire production process, and lead to frequent cleaning and maintenance work, affecting the normal operation and efficiency of the equipment, and reducing the efficiency and precision of impurity removal.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a grain air separation impurity removal device, including a housing, and a vibration sieving mechanism is arranged inside the housing;

[0006] The vibrating sieving mechanism includes: a coarse sieve plate, four joint plates, a bidirectional motor, and a connecting rod. The outer side of the coarse sieve plate is arranged inside the housing. The upper side walls of the four joint plates are fixedly connected to the inner top wall of the housing. Four first connecting blocks are fixedly connected to the front and rear side walls of the coarse sieve plate and the bottom wall of the joint plates. The left side walls of every two of the first connecting blocks are fixedly connected with a first spring sheet. A fine mesh sieve plate is arranged at the bottom of the coarse sieve plate. Four second connecting blocks are fixedly connected to the front and rear side walls of the coarse sieve plate and the fine mesh sieve plate. The left side walls of every two of the second connecting blocks are fixedly connected with a second spring sheet. The top of the right side wall of the coarse sieve plate is fixedly connected with a support plate. The bottom wall of the bidirectional motor is fixedly connected to the upper side wall of the support plate. The front and rear output ends of the bidirectional motor are fixedly connected with a rotating shaft. The other ends of the two rotating shafts are fixedly connected with an eccentric wheel. The other sides of the two eccentric wheels are fixedly connected with a support rod. The left side of the support rod is fixedly connected to the outer sides of the front and rear ends of the connecting rod. The outer sides of the front and rear ends of the connecting rod are rotatably connected with a semi-circular fixed block. The bottoms of the two semi-circular fixed blocks are fixedly connected to the top of the left side wall of the fine mesh sieve plate. First diversion plates are fixedly connected to the right side walls of the coarse sieve plate and the fine mesh sieve plate.

[0007] Further, a discharge box is fixedly connected to the bottom of the housing. A protective cover is threadedly connected to the right side wall of the housing. A diversion plate is fixedly connected to the inside of the right side wall of the housing.

[0008] Further, a blower is penetrated and connected to the left side wall of the housing. Safety covers are fixedly connected to the outer sides of the two blowers. A control panel is fixedly connected to the front side wall of the housing. Brackets are fixedly connected to the bottoms of the housing.

[0009] Further, a feed box is penetrated and connected to the top of the housing. A fixing plate is fixedly connected to the outside of the feed box. A first conveying pipe is fixedly connected to the outside of the fixing plate. A bottom plate is fixedly connected to the top right side of the housing.

[0010] Further, an air pump is arranged on the top wall of the bottom plate. The input end of the air pump is communicated with a connecting pipe. The left end of the connecting pipe is penetrated and connected to the right side wall of the first conveying pipe. A suction air duct is fixedly connected to the top of the feed box. A second diversion plate is fixedly connected to the top of the suction air duct. Connecting pipes are communicated with the outside of the suction air duct.

[0011] Further, the bottoms of the multiple connecting pipes are communicated with the top of the first conveying pipe. The two output ends of the air pump are communicated with an air outlet pipe. The right ends of the two air outlet pipes are communicated with a three-way pipe. The bottom of the three-way pipe is communicated with a second conveying pipe. The bottom end of the second conveying pipe is penetrated and connected to the top of the protective cover.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. Through the vibration sieving mechanism provided by the utility model, it can solve the problems that affect the purity and quality of grains, reduce the precision of grain sorting, and thus affect the efficiency and cost control of the entire production process. When operating through a two-way motor, vibration is generated to drive the coarse sieve plate to vibrate, so as to preliminarily screen the grains and separate larger impurities. The grains after preliminary screening will fall into the internal part of the fine mesh filter plate, and the grains are screened delicately again to separate the remaining impurities. The separated impurities will be blown into the interior of the protective cover through the vibration frequency, impurities and the air blower, and then discharged, thus effectively improving the impurity removal efficiency and precision, sorting quality, as well as the stability and production efficiency of the equipment.

[0014] 2. Through the air pump, connecting pipe, first conveying pipe, fixing plate and air suction pipe provided, it can solve the problems that lead to frequent cleaning and maintenance work, affect the normal operation and efficiency of the equipment, and reduce the impurity removal efficiency and precision. The dust and small impurities generated are sucked through the air suction pipe. The joint pipe on the outer side of the air suction pipe will transfer the impurities into the interior of the first conveying pipe. The connecting pipe on the input end of the air pump is connected to the first conveying pipe to suck the dust and small impurities inside the first conveying pipe. After sucking, the air outlet pipes on the two output ends of the air pump are connected to the three-way pipe, and the dust and small impurities are discharged into the interior of the protective cover through the second conveying pipe at the bottom of the three-way pipe, thus effectively improving the efficient treatment, safe operation and impurity removal efficiency, and reducing the cleaning of the working environment.

[0015] The parts not involved in this device are the same as those in the prior art or can be realized by adopting the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structure diagram of a grain air separation and impurity removal device proposed by the utility model;

[0017] Figure 2 is an internal sectional structure diagram of a grain air separation and impurity removal device proposed by the utility model;

[0018] Figure 3 is a shunt plate structure diagram of a grain air separation and impurity removal device proposed by the utility model;

[0019] Figure 4 is a vibration sieving mechanism structure diagram of a grain air separation and impurity removal device proposed by the utility model;

[0020] Figure 5 is a support rod structure diagram of a grain air separation and impurity removal device proposed by the utility model;

[0021] Figure 6 Structural diagram of the second deflector plate of a grain air separation and impurity removal device proposed by the present utility model;

[0022] Figure 7 Schematic diagram of the joint pipe of a grain air separation and impurity removal device proposed by the present utility model;

[0023] Figure 8 Internal sectional structural diagram of the feed box of a grain air separation and impurity removal device proposed by the present utility model.

[0024] Legend description:

[0025] 1. Outer shell; 2. Vibration sieving mechanism; 201. Coarse sieve plate; 202. First connecting block; 203. Joint plate; 204. First spring piece; 205. Second connecting block; 206. Second spring piece; 207. Fine mesh sieve plate; 208. Support plate; 209. Bidirectional motor; 210. Rotating shaft; 211. Eccentric wheel; 212. Support rod; 213. Connecting rod; 214. Semi-circular fixing block; 215. First deflector plate; 3. Discharge box; 4. Protective cover; 5. Fan; 6. Safety cover; 7. Control panel; 8. Bracket; 9. Diverter plate; 10. Feed box; 11. Bottom plate; 12. Air pump; 13. Connecting pipe; 14. First conveying pipe; 15. Fixed plate; 16. Joint pipe; 17. Suction air duct; 18. Second deflector plate; 19. Air outlet pipe; 20. Three-way pipe; 21. Second conveying pipe. Detailed implementation manners

[0026] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation manners.

[0027] As Figure 1 - Figure 5 shown in the figure: A grain air separation and impurity removal device includes an outer shell 1, and a vibration sieving mechanism 2 is arranged inside the outer shell 1;

[0028] The vibrating sieving mechanism 2 includes: a coarse sieve plate 201, four joint plates 203, a bidirectional motor 209, and a connecting rod 213. The outer side of the coarse sieve plate 201 is arranged inside the housing 1. The coarse sieve plate 201 is used to initially sieve the grains to separate larger particles and impurities. The upper side walls of the four joint plates 203 are fixedly connected to the inner top wall of the housing 1. By arranging the joint plates 203 to be fixed on the inner top wall of the housing 1, the bottom device is supported. Four first connection blocks 202 are fixedly connected to the front and rear side walls of the coarse sieve plate 201 and the bottom wall of the joint plate 203. The left side walls of every two first connection blocks 202 are fixedly connected with a first spring piece 204. By arranging the first spring piece 204, the upper first connection block 202 and the lower first connection block 202 are connected to support and fix the bottom device and the coarse sieve plate 201, and the first spring piece 204 is used to increase the frequency generated during vibration. A fine mesh filter plate 207 is arranged at the bottom of the coarse sieve plate 201. By arranging the fine mesh filter plate 207, the grains after initial sieving are sieved again to separate fine particles. Four second connection blocks 205 are fixedly connected to the front and rear side walls of the coarse sieve plate 201 and the fine mesh filter plate 207. The left side walls of every two second connection blocks 205 are fixedly connected with a second spring piece 206. By arranging the second spring piece 206, the upper and lower second connection blocks 205 are connected, and the fine mesh filter plate 207 is fixed to the bottom of the coarse sieve plate 201. The top of the right side wall of the coarse sieve plate 201 is fixedly connected with a support plate 208. The bottom wall of the bidirectional motor 209 is fixedly connected to the upper side wall of the support plate 208. By arranging the support plate 208, the bidirectional motor 209 is supported and fixed at the bottom. The front and rear output ends of the bidirectional motor 209 are fixedly connected with rotating shafts 210. The other ends of the two rotating shafts 210 are both fixedly connected with eccentric wheels 211. The rotating shafts 210 on the output ends of the bidirectional motor 209 are used to drive the connection of the eccentric wheels 211. The other sides of the two eccentric wheels 211 are both fixedly connected with support rods 212. The left side of the support rod 212 is fixedly connected to the outer sides of the front and rear ends of the connecting rod 213. The support rods 212 on the eccentric wheels 211 are used to connect with the connecting rod 213 and drive the connecting rod 213 to rotate. The outer sides of the front and rear ends of the connecting rod 213 are rotatably connected with semi-circular fixing blocks 214. The bottoms of the two semi-circular fixing blocks 214 are fixedly connected to the top of the left side wall of the fine mesh filter plate 207. By fixing the semi-circular fixing blocks 214 on the outer side of the connecting rod 213 to the left side wall of the fine mesh filter plate 207, the movement track of the connecting rod 213 is changed, so as to drive the connecting rod 213 to shake inside the semi-circular fixing blocks 214 and drive the fine mesh filter plate 207 to vibrate to sieve the grains. First guide plates 215 are fixedly connected to the right side walls of the coarse sieve plate 201 and the fine mesh filter plate 207.The sieved impurities are directed into the interior of the protective cover 4 by two first deflector plates 215.

[0029] As Figure 1 - Figure 3 shown, a discharge box 3 is fixedly connected to the bottom of the outer shell 1. The processed grains are discharged through the provided discharge box 3. The right side wall of the outer shell 1 is threadedly connected with a protective cover 4. The provided protective cover 4 is used to collect impurities and prevent the impurities from flying everywhere during processing, causing certain harm to the surrounding environment. A diverter plate 9 is fixedly connected to the inside of the right side wall of the outer shell 1. The provided diverter plate 9 is used to divert air and impurities into the interior of the protective cover 4. The left side walls of the outer shell 1 are all penetrated and connected with air blowers 5. The provided air blowers 5 are used to blow air into the interior of the outer shell 1 to discharge the impurities in the grains into the interior of the protective cover 4. Safety covers 6 are fixedly connected to the outside of both air blowers 5. The provided safety covers 6 are used to protect the outside of the air blowers 5 to prevent workers from being injured. The front side wall of the outer shell 1 is fixedly connected with a control panel 7. The provided control panel 7 is used to control the entire device. Supports 8 are fixedly connected to the bottom of the outer shell 1.

[0030] As Figure 1 - Figure 8 shown, a feed box 10 penetrates through the top of the outer shell 1. Through the provided feed box 10, grains are conveyed into the interior of the outer shell 1. A fixing plate 15 is fixedly connected to the outside of the feed box 10. A first conveying pipe 14 is fixedly connected to the outside of the fixing plate 15. The provided fixing plate 15 is used to fix the outer first conveying pipe 14 on the outside of the feed box 10. A bottom plate 11 is fixedly connected to the right side of the top of the outer shell 1. An air pump 12 is arranged on the top wall of the bottom plate 11. The provided bottom plate 11 is used to support and fix the bottom of the air pump 12. The input end of the air pump 12 is connected in communication with a connecting pipe 13. The left end of the connecting pipe 13 penetrates through and is connected to the right side wall of the first conveying pipe 14. The connecting pipe 13 on the input end of the air pump 12 is connected to the first conveying pipe 14, and the dust and the like sucked into the interior of the first conveying pipe 14 are sucked out. A suction duct 17 is fixedly connected to the top of the feed box 10. The provided suction duct 17 is used to suck the dust and the like generated when pouring grains. A second deflector plate 18 is fixedly connected to the top of the suction duct 17. The provided second deflector plate 18 is used to guide the grains to prevent the grains from entering the interior of the suction duct 17. Junction pipes 16 are connected in communication with the outside of the suction duct 17. The provided junction pipes 16 are used to transfer the dust and impurities sucked into the interior of the suction duct 17 to the interior of the first conveying pipe 14.

[0031] As Figure 1 - Figure 8As shown in the figure, the bottom ends of multiple connecting pipes 16 are connected to the top of the first conveying pipe 14 in a communicating manner. The two output ends of the air pump 12 are connected to an air outlet pipe 19 in a communicating manner. Through the air outlet pipe 19 on the output end of the air pump 12, the impurities and dust sucked from the first conveying pipe 14 are transferred to the triple pipe 20. The right ends of the two air outlet pipes 19 are connected to the triple pipe 20 in a communicating manner. The bottom of the triple pipe 20 is connected to a second conveying pipe 21 in a communicating manner. The bottom end of the second conveying pipe 21 penetrates and is connected to the top of the protective cover 4. By arranging the triple pipe 20 to be connected to the second conveying pipe 21, the dust and impurities are discharged into the interior of the protective cover 4 through the second conveying pipe 21.

[0032] It should be noted that the present utility model is a grain air separation and impurity removal device. First, the bidirectional motor 209, the air pump 12, and the control panel 7 are connected to an external power source to supply power to the device.

[0033] When feeding through the feed box 10, the air pump 12 is turned on. The dust and small impurities generated during feeding are sucked through the air suction pipe 17 at the top of the feed box 10. The sucked dust and small impurities are transferred to the interior of the first conveying pipe 14 through the connecting pipe 16 on the outer side of the air suction pipe 17. The connecting pipe 13 on the input end of the air pump 12 is connected to the first conveying pipe 14, and the dust and small impurities inside the first conveying pipe 14 are sucked. After suction, the air outlet pipes 19 on the two output ends of the air pump 12 are connected to the triple pipe 20, and the dust and small impurities are discharged into the interior of the protective cover 4 through the second conveying pipe 21 at the bottom of the triple pipe 20.

[0034] When the grain enters the outer shell 1, it will fall into the interior of the coarse sieve plate 201. The eccentric wheel 211 is driven to rotate by the rotating shafts 210 on the front and rear output ends of the bidirectional motor 209. The support rod 212 on the eccentric wheel 211 is connected to the connecting rod 213 on the left side wall of the fine mesh filter plate 207, and the connecting rod 213 is driven to shake inside the semi-circular fixing block 214 of the fine mesh filter plate 207 to achieve the vibration effect. The first spring piece 204 is used to connect the second connecting blocks 205 on the front and rear side walls of the coarse sieve plate 201 and the bottom wall of the joint plate 203. When the bidirectional motor 209 operates, vibration is generated to drive the coarse sieve plate 201 to vibrate, so as to preliminarily screen the grain and separate the larger impurities. The preliminarily screened grain will fall into the interior of the fine mesh filter plate 207, and the grain is screened again in a delicate manner to separate the remaining impurities. The separated impurities will be blown into the interior of the protective cover 4 through the vibration frequency and the blower 5, and then discharged.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only used to illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A grain air separation and impurity removal device, comprising a housing (1), characterized in that: A vibrating screening mechanism (2) is provided inside the housing (1); The vibrating screening mechanism (2) comprises: a coarse screen plate (201), four connecting plates (203), a bidirectional motor (209) and a connecting rod (213); the outer side of the coarse screen plate (201) is arranged inside the outer shell (1); the upper side walls of the four connecting plates (203) are fixedly connected to the inner top wall of the outer shell (1); the front and rear side walls of the coarse screen plate (201) and the bottom wall of the connecting plate (203) are fixedly connected with four first connecting blocks (202); the left side walls of every two of the first connecting blocks (202) are fixedly connected with a first spring sheet (204); a fine mesh screening plate (207) is arranged at the bottom of the coarse screen plate (201); the front and rear side walls of the coarse screen plate (201) and the fine mesh screening plate (207) are fixedly connected with four second connecting blocks (205); the left side walls of every two of the second connecting blocks (205) are fixedly connected with a second spring sheet (206); The top of the right side wall of the coarse screen plate (201) is fixedly connected to a support plate (208); the bottom wall of the bidirectional motor (209) is fixedly connected to the upper side wall of the support plate (208); the front and rear output ends of the bidirectional motor (209) are fixedly connected to a rotating shaft (210); the other ends of the two rotating shafts (210) are fixedly connected to an eccentric wheel (211); the other sides of the two eccentric wheels (211) are fixedly connected to a support rod (212); the left side of the support rod (212) is fixedly connected to the outer side of the front and rear ends of a connecting rod (213); the outer sides of the front and rear ends of the connecting rod (213) are rotatably connected to semicircular fixed blocks (214); the bottoms of the two semicircular fixed blocks (214) are fixedly connected to the top of the left side wall of the fine mesh screen plate (207); and the right side walls of the coarse screen plate (201) and the fine mesh screen plate (207) are fixedly connected to a first guide plate (215).

2. A grain air separation and impurity removal device according to claim 1, characterized in that: A discharge box (3) is fixedly connected to the bottom of the shell (1), a protective cover (4) is threadedly connected to the right side wall of the shell (1), and a diverter plate (9) is fixedly connected inside the right side wall of the shell (1).

3. A grain air separation and impurity removal device according to claim 1, characterized in that: The left side wall of the casing (1) is penetrated by fans (5), the outer sides of the two fans (5) are fixedly connected to safety covers (6), the front side wall of the casing (1) is fixedly connected to a control panel (7), and the bottom of the casing (1) is fixedly connected to a bracket (8).

4. A grain air separation and impurity removal device according to claim 1, characterized in that: A feed box (10) is connected through the top of the shell (1), a fixed plate (15) is fixedly connected to the outer side of the feed box (10), a first conveying pipe (14) is fixedly connected to the outer side of the fixed plate (15), and a bottom plate (11) is fixedly connected to the right side of the top of the shell (1).

5. A grain air separation and impurity removal device according to claim 4, characterized in that: An air pump (12) is arranged on the top wall of the bottom plate (11); the input end of the air pump (12) is connected to a connecting pipe (13); the left end of the connecting pipe (13) passes through and is connected to the right side wall of the first conveying pipe (14); the top of the feed box (10) is fixedly connected to an air suction duct (17); the top of the air suction duct (17) is fixedly connected to a second guide plate (18); and the outer side of the air suction duct (17) is connected to a connecting pipe (16).

6. A grain air separation and impurity removal device according to claim 5, characterized in that: The bottom ends of the plurality of joining tubes (16) are interconnected to the top of the first delivery tube (14); the two output ends of the air pump (12) are interconnected to an air outlet pipe (19); the right ends of the two air outlet pipes (19) are interconnected to a triple tube (20); the bottom of the triple tube (20) is interconnected to a second delivery tube (21); the bottom end of the second delivery tube (21) is connected to the top of the protective cover (4).

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