A fully automatic grain sampling and testing equipment

Abstract

The utility model belongs to the field of grain detection technology, and specifically relates to a fully automatic grain sampling and inspection equipment, including an inspection tank, a spiral channel and a sampling tube connected in sequence from bottom to top, the lower port of the spiral channel is fixedly connected to the feeding port of the inspection tank, the end of the sampling tube is connected to the upper port of the spiral channel, a plurality of metal filters are fixed on the upper wall of the spiral channel, both sides of the metal filters are folded upward, a dust suction pipe is inserted horizontally inside the metal filter, one end of the dust suction pipe extends outward from the inside of the spiral channel and the end is connected and fixed with a dust suction fan, a plurality of air holes are spaced apart on the lower surface of the dust suction pipe located inside the spiral channel, a rubber plug is inserted at one end of the dust suction pipe inside the spiral channel, and a sealing rubber ring is sleeved on the outside of the dust suction pipe. The utility model can spirally agitate the dust carried by the grain and suck it out at the same time, so as to reduce the adverse effects caused by dust blocking various sensors.

Description

Technical Field

[0001] The utility model belongs to the technical field of grain detection, and specifically relates to a full-automatic grain sampling and testing device. Background Art

[0002] Food manufacturers have a huge demand for grains. Especially after the investment in automation technology, the daily grain throughput is large. It is not realistic to conduct comprehensive manual sampling and inspection. Most of them choose the grain sampling and inspection integrated machine. The grain sampling and inspection integrated machine combines the two links of sampling and inspection, and can perform preliminary quality assessment while obtaining samples.

[0003] The traditional grain sampling and testing machine has temperature and humidity sensors built into containers, such as steel tanks and barrels, and negative pressure suction components such as vacuum pumps are installed on the outside of the container to create negative pressure conditions in the sample inspection tube. When started, it automatically sucks a certain amount of grain and sends it into the container. After filtering, the grain can contact various sensors for inspection.

[0004] After the grain truck enters the factory, it is far away from the inspection site, and the transportation distance is often 40 to 50 meters. A high-power vacuum pump is required to transport samples over a large span. The strong negative pressure attraction will also attract dust on the outside of the grain and gather at the detection end of each sensor, which can easily cause occlusion and have an adverse effect on the inspection results. For this reason, we propose a fully automatic grain sampling and inspection equipment. Utility Model Content

[0005] The purpose of the present invention is to provide a fully automatic grain sampling and inspection equipment, which can spirally agitate the dust carried by the grain and suck it out at the same time, thereby reducing the adverse effects caused by the dust blocking various sensors.

[0006] The technical solutions adopted in this utility are as follows:

[0007] A fully automatic grain sampling and inspection device comprises an inspection tank, a spiral channel and a sampling tube which are connected in sequence from bottom to top, wherein the lower port of the spiral channel is fixedly connected to the feeding port of the inspection tank, the end of the sampling tube is connected to the upper port of the spiral channel, a plurality of metal filter screens are fixed on the upper wall of the spiral channel, both sides of the metal filter screens are folded upward, a dust suction tube is horizontally inserted inside the metal filter screen, one end of the dust suction tube extends outward from the inside of the spiral channel and the one end is connected and fixed with a dust suction fan, when the grain truck arrives at the inspection station, the sampling tube is Insert the grain into the grain truck to suck out a certain amount of grain as a sample, and send it into the spiral channel from top to bottom along the hose across a distance of 40 to 50 meters. Then it spirals down along the spiral channel and continuously hits the inner wall of the spiral channel to agitate the dust carried by the grain. At this time, start each dust suction fan to suck out the agitated dust in the spiral channel along the dust suction pipe, and use a metal filter to separate the grain to prevent the dust from being sucked into the dust suction pipe. Finally, the grain falls into the inspection tank for inspection, and the temperature, humidity and other data are measured. The data is transmitted to the central control computer to realize fully automatic grain sampling and inspection.

[0008] The lower surface of the dust suction pipe is provided with a plurality of air holes at intervals at a position inside the spiral channel, so as to increase the air intake area of ​​the dust suction pipe and span the entire inner wall of the spiral channel to absorb as much dust carried by the grain flow in the spiral channel as possible.

[0009] A rubber plug is inserted at one end of the spiral channel of the dust suction pipe to close the port of the dust suction pipe and only open the air vents, so as to be as close to the grain flow as possible, and there is enough space between the lower surface of the metal filter and the lower wall of the spiral channel so as not to block the grain flow.

[0010] The outside of the dust suction pipe is sleeved with a sealing rubber ring, and the sealing rubber ring is fixedly connected to the spiral channel to seal the gap at the connection between the dust suction pipe and the spiral channel, thereby improving air tightness and reducing the entry of external dust into the gap.

[0011] A bracket is fixed on the upper surface of the spiral channel, and the upper end of the bracket is forked. When the sampling tube sucks grains, the bracket can be used to support the hose to stand up in the spiral channel, so that the grains can slide down and enter the spiral channel smoothly without additional assistance.

[0012] The air outlet ends of the dust suction fans are all sleeved with dust removal bags. When the dust suction fans discharge air, the air flows into the dust removal bags, and the dust removal bags can be used to filter the dust in the air flow and collect it centrally.

[0013] The technical effects achieved by this utility model are:

[0014] The present invention provides a practical fully automatic grain sampling and inspection equipment. When a grain truck arrives at the inspection station, a sampling tube is inserted into the grain on the grain truck to suck a certain amount of grain as a sample. The sample is sent into a spiral channel from top to bottom along a hose across a distance of 40 to 50 meters, and the sample descends along the spiral channel and continuously hits the inner wall of the spiral channel, so as to agitate the dust carried by the grain. At this time, various dust suction fans are started to suck the agitated dust in the spiral channel along the dust suction tube, and the grain is separated by a metal filter to prevent the dust suction tube from sucking in the grain. Finally, the grain falls into the inspection tank for inspection, and the temperature and humidity and other data are measured to reduce the adverse effects of dust blocking various sensors. The data are transmitted to the central control computer to realize fully automatic grain sampling and inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the main view of a practical fully automatic grain sampling and testing device;

[0016] Figure 2 It is a cross-sectional view of the spiral channel of the present utility model;

[0017] Figure 3 It is the front view of the practical metal filter;

[0018] Figure 4 It is a front view of the practical dust suction tube.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] 1. Inspection tank; 2. Spiral channel; 3. Sampling tube; 4. Metal filter; 5. Dust suction tube; 6. Dust suction fan; 7. Air vent; 8. Rubber plug; 9. Sealing rubber ring; 10. Bracket; 11. Dust bag. DETAILED DESCRIPTION

[0021] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the present invention, and does not strictly limit the scope of protection specifically requested by the present invention.

[0022] like Figure 1-4As shown, a fully automatic grain sampling and testing equipment comprises a test tank 1, a spiral channel 2 and a sampling tube 3 which are connected in sequence from bottom to top. The sampling tube 3 can use a vacuum pump with a pressure-stabilizing tank as a negative pressure gas source. The reference publication number is CN209132031U, a Chinese utility model, a grain sampling and testing integrated machine, wherein the test tank 1 is provided with a detector, a sensing probe, a liquid crystal display screen and a single-chip microcomputer, the lower port of the spiral channel 2 is fixedly connected to the feed port of the test tank 1, the end of the sampling tube 3 is connected to the upper port of the spiral channel 2, a plurality of metal filter screens 4 are fixed on the upper wall of the spiral channel 2, both sides of the metal filter screens 4 are folded upward, a dust suction pipe 5 is horizontally inserted inside the metal filter screen 4, one end of the dust suction pipe 5 extends outward from the interior of the spiral channel 2 and the one end is connected and fixed with a dust suction fan 6 The signal of the dust suction fan 6 is connected to the single-chip microcomputer. The inspection tank 1 can be placed on the ground through the steel frame base. When the grain truck arrives at the inspection station, the sampling tube 3 is inserted into the grain on the grain truck to suck a certain amount of grain as a sample. It is sent into the spiral channel 2 from top to bottom along the hose across a distance of 40 to 50 meters. It spirals down along the spiral channel 2 and continuously hits the inner wall of the spiral channel 2, which can agitate the dust carried by the grain. At this time, each dust suction fan 6 is started, and the agitated dust in the spiral channel 2 is sucked along the dust suction pipe 5, and the grain is separated by a metal filter 4 to prevent the dust suction pipe 5 from sucking in the grain. Finally, the grain falls into the inspection tank 1 and is inspected by various sensors to measure temperature, humidity and other data to reduce the adverse effects of dust blocking various sensors. The data is transmitted to the central control computer to realize fully automatic grain sampling inspection.

[0023] After the dust is sucked out, the dust adhering to each sensor is greatly reduced, and the frequency of cleaning and maintenance of these sensors is reduced.

[0024] During the sampling process, the Chinese utility model intelligent sampling machine with reference publication number CN220542548U has a driving device to move the sampling tube 3 forward and backward, and a lifting mechanism to lift the sampling tube 3. It has freedom in at least two directions and can be combined with a vehicle monitoring system to adjust the position of the sampling tube 3 for grain trucks of different sizes.

[0025] like Figure 2 , Figure 3 and Figure 4 As shown, a plurality of air holes 7 are spaced apart at the lower surface of the dust suction pipe 5 located inside the spiral channel 2 to increase the air intake area of ​​the dust suction pipe 5 , spanning the entire inner wall of the spiral channel 2 , and absorbing as much dust carried by the food flow in the spiral channel 2 as possible.

[0026] like Figure 2 and Figure 4 As shown, a rubber plug 8 is inserted at one end of the dust suction tube 5 inside the spiral channel 2, which can close the port of the dust suction tube 5 and only open the air vent 7, as close to the grain flow as possible, and there is enough space between the lower surface of the metal filter 4 and the lower wall of the spiral channel 2 so as not to block the grain flow.

[0027] like Figure 2 and Figure 4 As shown, a sealing rubber ring 9 is sleeved on the outside of the dust suction tube 5, and the sealing rubber ring 9 is fixedly connected to the spiral channel 2 to seal the gap at the connection between the dust suction tube 5 and the spiral channel 2, thereby improving the air tightness and reducing the entry of external dust through the gap.

[0028] like Figure 1 As shown, a bracket 10 is fixed on the upper surface of the spiral channel 2, and the upper end of the bracket 10 is forked. When the sampling tube 3 sucks the grain, the bracket 10 can be used to support the hose to stand upright in the spiral channel 2, so that the grain can slide down and smoothly enter the spiral channel 2 without additional assistance.

[0029] like Figure 2 and Figure 4 As shown, the air outlet end of the dust suction fan 6 is sleeved with a dust removal bag 11. When the dust suction fan 6 discharges air, the air flows into the dust removal bag 11, and the dust removal bag 11 can be used to filter the dust in the air flow and collect it centrally.

[0030] The working principle of the utility model is as follows: when the grain truck arrives at the inspection station, the sampling tube 3 is inserted into the grain on the grain truck to suck a certain amount of grain as a sample, and the sample is sent into the spiral channel 2 from top to bottom along the hose across a distance of 40 to 50 meters, and the sample spirally descends along the spiral channel 2 and continuously hits the inner wall of the spiral channel 2, which can agitate the dust carried by the grain. At this time, each dust suction fan 6 is started, and the agitated dust in the spiral channel 2 is sucked along the dust suction pipe 5, and the grain is separated by a metal filter 4 to prevent the dust suction pipe 5 from sucking in the grain. Finally, the grain falls into the inspection tank 1 for inspection, and the temperature and humidity and other data are measured. The data is transmitted to the central control computer to realize fully automatic grain sampling inspection.

[0031] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A fully automatic grain sampling and testing equipment, characterized by: The invention comprises an inspection tank (1), a spiral channel (2) and a sampling tube (3) which are connected in sequence from bottom to top, wherein the lower end of the spiral channel (2) is fixedly connected to the feed port of the inspection tank (1), the end of the sampling tube (3) is connected to the upper end of the spiral channel (2), a plurality of metal filter screens (4) are fixed on the upper wall of the spiral channel (2), both sides of the metal filter screens (4) are folded upwards, a dust suction tube (5) is transversely inserted inside the metal filter screens (4), one end of the dust suction tube (5) extends outwards from the interior of the spiral channel (2) and the one end is connected and fixed to a dust suction fan (6).

2. The fully automatic grain sampling and testing equipment according to claim 1 is characterized in that: A plurality of air holes (7) are provided at intervals on the lower surface of the dust suction pipe (5) at locations inside the spiral channel (2).

3. The fully automatic grain sampling and testing equipment according to claim 1 is characterized in that: A rubber plug (8) is inserted into one end of the spiral channel (2) of the dust suction pipe (5).

4. The fully automatic grain sampling and testing equipment according to claim 1 is characterized in that: The dust suction pipe (5) is externally sleeved with a sealing rubber ring (9), and the sealing rubber ring (9) is fixedly connected to the spiral channel (2).

5. The fully automatic grain sampling and testing equipment according to claim 1 is characterized in that: A bracket (10) is fixed on the upper surface of the spiral channel (2), and the upper end of the bracket (10) is forked.

6. The fully automatic grain sampling and testing equipment according to claim 1 is characterized by: The air outlet end of the dust suction fan (6) is sleeved with a dust removal bag (11).

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