Grain cleaning sieve with anti-blocking function

Abstract

The utility model relates to the related technical field of grain cleaning sieves, in particular to a grain cleaning sieve with an anti-blocking function, which comprises a cleaning sieve whole body, an anti-blocking mechanism is arranged on the upper surface of the cleaning sieve whole body, and an adjusting structure is arranged on the lower surface of the cleaning sieve whole body. According to the grain with the anti-blocking function, grains are put into the feeder and fall into the conveying pipe from the feeder, then the motor is driven, the conveying rod is driven by the motor to rotate in the conveying pipe, the grains are continuously conveyed by the conveying rod, the inflow amount of the grains can be controlled by controlling the rotating speed of the motor, the grains are discharged to the flow guide plate from the outlet, and therefore the grain conveying efficiency is improved. And when passing through the guide plate and entering the whole cleaning sieve, the screening efficiency is improved, meanwhile, blocking is effectively prevented, and manual intervention is not needed in the process.

Description

Technical Field

[0001] The utility model relates to the technical field related to grain cleaning screens, in particular to a grain cleaning screen with an anti-blocking function. Background Art

[0002] Existing grain cleaning screens usually use a slidable and detachable baffle to control the amount of grain entering the feed port, but this method requires manual monitoring of the grain flow under the baffle, on the one hand to prevent excessive grain entry, resulting in incomplete screening of the grain cleaning screen, on the other hand to prevent grain blockage under the baffle, resulting in too little entry and affecting efficiency, and when blocked, it is generally necessary to manually use tools or push the grain by hand, resulting in a waste of manpower and inconvenience in use. Therefore, a grain cleaning screen with an anti-blocking function is particularly needed.

[0003] However, the existing grain cleaning screen usually uses a slidable and detachable baffle to control the amount of grain entering the feed port, but this method requires manual monitoring of the grain flow under the baffle, on the one hand to prevent excessive grain entering, resulting in incomplete screening of the grain cleaning screen, on the other hand to prevent grain from being blocked under the baffle, resulting in too little entering and affecting efficiency, and when blocked, it is generally necessary to manually use tools or push the grain by hand, resulting in a waste of manpower and secondly inconvenience in use. Utility Model Content

[0004] The purpose of the utility model is to provide a grain cleaning screen with an anti-blocking function to solve the problem that the existing grain cleaning screen proposed in the above background technology usually uses a slidable and detachable baffle to control the amount of grain entering the feed port, but this method requires manual monitoring of the flow of grain under the baffle, on the one hand to prevent excessive grain entry, resulting in incomplete screening of the grain cleaning screen, on the other hand to prevent grain from being blocked under the baffle, resulting in too little entry and affecting efficiency, and when blocked, it is generally necessary to manually use tools or push the grain by hand, resulting in a waste of manpower and secondly the problem of inconvenience in use.

[0005] To achieve the above object, the utility model provides the following technical solutions: a grain cleaning screen with anti-blocking function, comprising a cleaning screen as a whole, an anti-blocking mechanism is arranged on the upper surface of the cleaning screen as a whole, and an adjustment structure is arranged on the lower surface of the cleaning screen as a whole;

[0006] The anti-blocking mechanism includes a support plate, a motor, a feed pipe, a conveying rod, a feeder and a guide plate. The support plate is fixedly connected to the surface of one side of the cleaning screen as a whole, the motor is installed on the upper surface of the support plate, the feed pipe is connected to the bearing on the outer surface of one end of the motor, the conveying rod is fixedly connected to the surface of one end of the motor, the feeder is fixedly connected to the upper surface of the feed pipe, and the guide plate is fixedly connected to the surface of one side of the feed pipe.

[0007] Preferably, the adjusting structure includes a first sieve plate, an inclined plate, a first discharge port, a second sieve plate, a second discharge port, a dust collecting box, a fixed block, a sliding groove, a limiting groove, a first spring, a limiting block, a handle, a fixing piece, a connecting piece, a threaded column, a threaded disk, a fixing ring, a second spring and a vibration motor, the first sieve plate is installed on the inner surface of the cleaning screen as a whole, the inclined plate is fixedly connected to the upper surface of the first sieve plate, the first discharge port is opened on one side surface of the cleaning screen as a whole, the second sieve plate is installed on the inner surface of the cleaning screen as a whole, one end of the second sieve plate is fixedly connected to the second discharge port, the dust collecting box is slidably connected to one side surface of the cleaning screen as a whole, and the fixed The cam is configured to move the first spring to abut against the cam on one side of the retaining member, and the second spring to move the first spring to abut against the cam on the other side of the retaining member.

[0008] Preferably, the limit block and the first spring form a telescopic structure, and the first spring is symmetrically arranged about the central axis of the dust collecting box.

[0009] Preferably, the fixing blocks are symmetrically arranged with respect to the central axis of the dust collecting box, and the sliding grooves are symmetrically arranged with respect to the central axis of the dust collecting box.

[0010] Preferably, the limiting blocks are symmetrically arranged with respect to the central axis of the cleaning screen as a whole, and the inner wall size of the sliding groove is consistent with the inner wall size of the fixed block.

[0011] Preferably, the fixing parts are symmetrically arranged with respect to the central axis of the cleaning screen as a whole, and four groups are provided, and the threaded disk and the fixing ring fit tightly.

[0012] Preferably, the fixing ring and the second spring form a telescopic structure, and the second spring is symmetrically arranged with respect to the central axis of the cleaning screen as a whole, and four groups are provided.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the grain with anti-blocking function is put into the feeder, the grain falls into the feed pipe from the feeder, and then the motor is driven, the motor drives the conveying rod to rotate in the feed pipe, and the conveying rod continuously conveys the grain. The inflow of grain can be controlled by controlling the rotation speed of the motor, and the grain is discharged from the outlet onto the guide plate, and then passes through the guide plate to the cleaning screen as a whole, thereby improving the screening efficiency and effectively preventing blockage. No human intervention is required during the process. When the grain to be screened enters the cleaning screen as a whole, the vibration motor is driven, and the vibration motor drives the cleaning screen as a whole to vibrate on the second spring. At this time, the vibration amplitude can be adjusted by adjusting the height of the second spring, and the thread is turned downward. The disk makes the threaded disk squeeze the fixed ring, and the fixed ring squeezes the second spring to reduce the vibration amplitude. When the vibration amplitude is expanded, the threaded disk is rotated upward. When screening grains, the larger grains in the grains are screened out by the first sieve plate and discharged from the first discharge port, and then the medium-sized grains and smaller grains fall onto the second sieve plate for further screening. At this time, the medium-sized grains are discharged from the second discharge port, and the smaller grains or the shriveled grains after water loss due to drying and the heavier small particles fall into the dust collecting box. When cleaning, press the limit blocks on both sides to make the limit blocks squeeze the first spring to retract into the limit groove, pull the handle, pull out the dust collecting box for cleaning, and at the same time, after taking out the dust collecting box, add water into it to make the shriveled grains float for recycling. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall side view of the appearance structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the anti-blocking mechanism structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the adjustment structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the dust box and the fixing block cooperating with each other in the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the mutual cooperation between the limit groove and the first spring of the utility model;

[0019] Figure 6 This is a schematic diagram of the structure in which the fixing ring and the second spring cooperate with each other in the utility model.

[0020] In the figure: 1. cleaning screen as a whole; 2. anti-blocking mechanism; 201. support plate; 202. motor; 203. feeding pipe; 204. feeding rod; 205. feeder; 206. guide plate; 3. adjusting structure; 301. first screen plate; 302. inclined plate; 303. first discharge port; 304. second screen plate; 305. second discharge port; 306. dust collecting box; 307. fixing block; 308. sliding groove; 309. limiting groove; 310. first spring; 311. limiting block; 312. handle; 313. fixing piece; 314. connecting piece; 315. threaded column; 316. threaded disk; 317. fixing ring; 318. second spring; 319. vibration motor. DETAILED DESCRIPTION

[0021] 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 part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a grain cleaning screen with anti-blocking function, comprising a cleaning screen as a whole 1, an anti-blocking mechanism 2 is arranged on the upper surface of the cleaning screen as a whole 1, and an adjustment structure 3 is arranged on the lower surface of the cleaning screen as a whole 1;

[0023] The anti-blocking mechanism 2 includes a support plate 201, a motor 202, a feed pipe 203, a conveying rod 204, a feeder 205 and a guide plate 206. The support plate 201 is fixedly connected to the surface of one side of the cleaning screen as a whole 1, the motor 202 is installed on the upper surface of the support plate 201, the feed pipe 203 is connected to the bearing on the outer surface of one end of the motor 202, the conveying rod 204 is fixedly connected to the surface of one end of the motor 202, the feeder 205 is fixedly connected to the upper surface of the feed pipe 203, and the guide plate 206 is fixedly connected to the surface of one side of the feed pipe 203. Plate 206, through the setting of support plate 201, motor 202, conveying pipe 203, conveying rod 204, feeder 205 and guide plate 206, during use, first put the grain into the feeder 205, the grain falls into the conveying pipe 203 from the feeder 205, and then drive the motor 202, the conveying rod 204 driven by the motor 202 to rotate in the conveying pipe 203, the conveying rod 204 continuously conveys the grain, and discharges it from the outlet to the guide plate 206, and then passes through the guide plate 206 to the cleaning screen as a whole 1.

[0024] Furthermore, the adjustment structure 3 includes a first sieve plate 301, an inclined plate 302, a first discharge port 303, a second sieve plate 304, a second discharge port 305, a dust collecting box 306, a fixing block 307, a sliding groove 308, a limiting groove 309, a first spring 310, a limiting block 311, a handle 312, a fixing member 313, a connecting member 314, a threaded column 315, a threaded disk 316, a fixing ring 317, a second spring 318 and a vibration motor 319, the first sieve plate 301 is installed on the inner surface of the cleaning screen as a whole 1, the upper surface of the first sieve plate 301 is fixedly connected to the inclined plate 302, a first discharge port 303 is opened on one side surface of the cleaning screen as a whole 1, the second sieve plate 304 is installed on the inner surface of the cleaning screen as a whole 1, and the second sieve plate 30 4 is fixedly connected with a second discharge port 305, a side surface of the cleaning screen as a whole 1 is slidably connected with a dust box 306, a side surface of the dust box 306 is fixedly connected with a fixed block 307, an outer surface of the fixed block 307 is slidably connected with a sliding groove 308, an inner surface of the sliding groove 308 is provided with a limiting groove 309, a side surface of the limiting groove 309 is fixedly connected with a first spring 310, one end surface of the first spring 310 is fixedly connected with a limiting block 311, a side surface of the dust box 306 is fixedly connected with a handle 312, a lower surface of the cleaning screen as a whole 1 is fixedly connected with a fixing piece 313, an inner surface of the fixing piece 313 is rotatably connected with a connecting piece 314, a lower surface of the connecting piece 314 is fixedly connected with a threaded column 315, and a threaded column 315 is fixedly connected with a threaded column 315. The outer surface of the column 315 is threadedly connected with a threaded disk 316, the outer surface of the threaded column 315 is penetrated and connected with a fixing ring 317, the lower surface of the fixing ring 317 is fixedly connected with a second spring 318, and the lower surface of the cleaning screen as a whole 1 is installed with a vibration motor 319. Through the first sieve plate 301, the inclined plate 302, the first discharge port 303, the second sieve plate 304, the second discharge port 305, the dust collecting box 306, the fixing block 307, the sliding groove 308, the limiting groove 309, the first spring 310, the limiting block 311, the handle 312, the fixing piece 313, the connecting piece 314, the threaded column 315, the threaded disk 316, the fixing ring 317, the second spring 318 and the vibration motor 319, during use, first when needed When the screened grains enter the cleaning screen 1, the vibration motor 319 is driven, and the cleaning screen 1 is driven by the vibration motor 319 to vibrate on the second spring 318. At this time, the vibration amplitude can be adjusted by adjusting the height of the second spring 318, and the threaded disk 316 is turned downward to make the threaded disk 316 squeeze the fixing ring 317, and the fixing ring 317 squeezes the second spring 318 to reduce the vibration amplitude. To increase the vibration amplitude, the threaded disk 316 is turned upward. When screening the grains, the larger grains in the grains are screened out by the first sieve plate 301 and discharged from the first discharge port 303, and then the medium-sized grains and the smaller grains fall onto the second sieve plate 304 for further screening. At this time, the medium-sized grains are discharged from the second discharge port 305, and the smaller grains may be dried in the sun.After the water is lost, the dried grains and heavier small particles fall into the dust box 306. When cleaning, the limit blocks 311 on both sides are pressed to make the limit blocks 311 squeeze the first spring 310 to expand into the limit groove 309, and the handle 312 is pulled to pull out the dust box 306 for cleaning. At the same time, after taking out the dust box 306, water can be added to it to make the dried grain float up for recycling.

[0025] Furthermore, the limit block 311 and the first spring 310 form a telescopic structure, and the first spring 310 is symmetrically arranged with respect to the central axis of the dust box 306. The setting of the limit block 311 and the first spring 310 makes the limit more stable.

[0026] Furthermore, the fixed block 307 is symmetrically arranged with respect to the central axis of the dust box 306, and the sliding groove 308 is symmetrically arranged with respect to the central axis of the dust box 306. By arranging the fixed block 307 and the sliding groove 308, the dust box 306 is more stable during sliding.

[0027] Furthermore, the limit block 311 is symmetrically arranged with respect to the central axis of the cleaning screen as a whole 1, and the inner wall size of the sliding groove 308 is consistent with the inner wall size of the fixed block 307. Through the arrangement of the limit block 311 and the sliding groove 308, the sliding is smoother and the noise is smaller.

[0028] Furthermore, the fixing members 313 are symmetrically arranged with respect to the central axis of the cleaning screen as a whole 1, and four groups are arranged. The threaded disks 316 and the fixing rings 317 fit tightly together. The arrangement of the fixing members 313 and the threaded disks 316 makes the fixing more stable.

[0029] Furthermore, the fixing ring 317 and the second spring 318 form a telescopic structure. The second spring 318 is symmetrically arranged with respect to the central axis of the cleaning screen as a whole 1, and four groups are arranged. The arrangement of the fixing ring 317 and the second spring 318 makes it easier to adjust the vibration amplitude.

[0030] Working principle: First, put the grain into the feeder 205, and the grain falls into the feed pipe 203 from the feeder 205, and then drive the motor 202, and the motor 202 drives the conveying rod 204 to rotate in the feed pipe 203, and the conveying rod 204 continuously conveys the grain, and discharges it from the outlet to the guide plate 206, and then passes through the guide plate 206 to the cleaning screen as a whole 1. When the grain to be screened enters the cleaning screen as a whole 1, drive the vibration motor 319, and the vibration motor 319 drives the cleaning screen as a whole 1 to vibrate on the second spring 318. At this time, the vibration amplitude can be adjusted by adjusting the height of the second spring 318, and the threaded disk 316 is turned downward to make the threaded disk 316 squeeze the fixing ring 317, and the fixing ring 317 squeezes the second spring 318 to reduce the vibration. The amplitude of vibration is enlarged, and the threaded disk 316 is rotated upward to enlarge the vibration amplitude. When screening the grains, the larger grains in the grains are screened out by the first sieve plate 301 and discharged from the first discharge port 303, and then the medium-sized grains and the smaller grains fall onto the second sieve plate 304 for further screening. At this time, the medium-sized grains are discharged from the second discharge port 305, and the smaller grains or the dried grains after water loss due to drying and the heavier small particles fall into the dust collecting box 306. When cleaning, the limit blocks 311 on both sides are pressed to make the limit blocks 311 squeeze the first spring 310 to retract into the limit groove 309, and the handle 312 is pulled to pull the dust collecting box 306 out for cleaning. At the same time, after taking out the dust collecting box 306, water can be added to it to make the dried grains float for recycling.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grain cleaning screen with anti-blocking function, comprising a cleaning screen as a whole (1), characterized in that: The upper surface of the cleaning screen as a whole (1) is provided with an anti-blocking mechanism (2), and the lower surface of the cleaning screen as a whole (1) is provided with an adjustment structure (3); The anti-blocking mechanism (2) comprises a support plate (201), a motor (202), a material conveying pipe (203), a conveying rod (204), a feeder (205) and a guide plate (206); a side surface of the cleaning screen as a whole (1) is fixedly connected to the support plate (201); a motor (202) is mounted on an upper surface of the support plate (201); a material conveying pipe (203) is connected to an outer surface bearing at one end of the motor (202); a conveying rod (204) is fixedly connected to an end surface of the motor (202); a feeder (205) is fixedly connected to an upper surface of the material conveying pipe (203); and a guide plate (206) is fixedly connected to a side surface of the material conveying pipe (203).

2. The grain cleaning screen with anti-blocking function according to claim 1, characterized in that: The regulating structure (3) comprises a first sieve plate (301), an inclined plate (302), a first discharge port (303), a second sieve plate (304), a second discharge port (305), a dust collecting box (306), a fixing block (307), a sliding groove (308), a limiting groove (309), a first spring (310), a limiting block (311), a handle (312), a fixing member (313), a connecting member (314), a threaded column (315), a threaded disk (316), a fixing ring (317), a second spring (318) and a vibration motor ( 319), a first sieve plate (301) is installed on the inner surface of the cleaning sieve as a whole (1), an inclined plate (302) is fixedly connected to the upper surface of the first sieve plate (301), a first discharge port (303) is opened on one side surface of the cleaning sieve as a whole (1), a second sieve plate (304) is installed on the inner surface of the cleaning sieve as a whole (1), one end of the second sieve plate (304) is fixedly connected to the second discharge port (305), a dust box (306) is slidably connected to one side surface of the cleaning sieve as a whole (1), and the dust box (306) is provided on the inner surface of the cleaning sieve as a whole (1). 06) is fixedly connected to a fixed block (307) on one side surface, the outer surface of the fixed block (307) is slidably connected to a sliding groove (308), the inner surface of the sliding groove (308) is provided with a limiting groove (309), a first spring (310) is fixedly connected to a first side surface of the limiting groove (309), one end surface of the first spring (310) is fixedly connected to a limiting block (311), a handle (312) is fixedly connected to a side surface of the dust collecting box (306), and a lower surface of the cleaning screen as a whole (1) is fixedly connected to A fixing member (313) is connected, the inner surface of the fixing member (313) is rotatably connected to a connecting member (314), the lower surface of the connecting member (314) is fixedly connected to a threaded column (315), the outer surface of the threaded column (315) is threadedly connected to a threaded disk (316), the outer surface of the threaded column (315) is penetrated by a fixing ring (317), the lower surface of the fixing ring (317) is fixedly connected to a second spring (318), and a vibration motor (319) is installed on the lower surface of the cleaning screen as a whole (1).

3. The grain cleaning screen with anti-blocking function according to claim 2, characterized in that: The limit block (311) and the first spring (310) form a telescopic structure, and the first spring (310) is symmetrically arranged with respect to the central axis of the dust collecting box (306).

4. The grain cleaning screen with anti-blocking function according to claim 2, characterized in that: The fixed block (307) is symmetrically arranged with respect to the central axis of the dust collecting box (306), and the sliding groove (308) is symmetrically arranged with respect to the central axis of the dust collecting box (306).

5. The grain cleaning screen with anti-blocking function according to claim 2, characterized in that: The limiting blocks (311) are symmetrically arranged with respect to the central axis of the cleaning screen as a whole (1); the inner wall dimensions of the sliding groove (308) coincide with the inner wall dimensions of the fixing block (307).

6. The grain cleaning screen with anti-blocking function according to claim 2, characterized in that: The fixing members (313) are symmetrically arranged with respect to the central axis of the cleaning screen as a whole (1), and four groups are arranged. The threaded disc (316) and the fixing ring (317) are tightly fitted.

7. The grain cleaning screen with anti-blocking function according to claim 2, characterized in that: The fixing ring (317) and the second spring (318) form a telescopic structure. The second spring (318) is symmetrically arranged about the central axis of the cleaning screen as a whole (1), and four groups are arranged.

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