Suction type specific gravity stoner for rice processing

Abstract

The utility model belongs to the technical field of rice processing, and particularly relates to a suction type specific gravity stoning machine for rice processing, which comprises a stoning case and supporting legs, and a stoning device is arranged in the stoning case. According to the suction type specific gravity stoning machine for rice processing, when a vibration motor drives a filter plate to vibrate, a draught fan is started synchronously, upward flowing airflow is generated through a connecting pipe and an air suction cover at the bottom of an air distribution pipe, and due to the different specific gravities of rice and stones, the vibration of the filter plate and the action of the airflow of air holes in the filter plate, the porosity among particles is increased; materials are in a fluidized state, automatic grading is promoted, pebbles with large specific gravity sink to make contact with the screen face of the filter plate, grains with small specific gravity float to the upper layer and slide to a discharging port to be discharged under pushing of gravity, inertia force and continuous feeding, and the pebbles with large specific gravity slide to the position above the filter plate under the action of the inertia force of a filter plate vibration system and airflow, so that the grains with large specific gravity are separated. And finally discharging through the guide plate.

Description

Technical Field

[0001] The utility model relates to the technical field of rice processing, in particular to a suction-type specific gravity stone removing machine for rice processing. Background Art

[0002] Suction-type gravity stoners are mainly used in grain processing. They can remove stones and higher impurities from wheat, paddy, soybeans, peanuts, rapeseed, and rice. They can also be used to separate impurities from other grains. At present, the gravity stoners on the market tilt the screen surface when in use to achieve a good stone removal effect. However, the existing stone removal machines are not convenient for adjusting the tilt angle of the screen surface, and the stone removal effect is not good enough when in use. At the same time, during the screening process, the strong shaking generated by the vibration motor is easy to cause the material to spill, resulting in material waste.

[0003] For example, Chinese patent publication number CN215278557U discloses a suction-type specific gravity stoner for rice processing. When in use, rice in the feed hopper enters the box through the feed port, and the motor rotates under the action of an external power supply, which drives the rotation of the crankshaft, and the rotation of the crankshaft drives the rotation of the connecting rod. Under the action of the connecting rod, the transmission block is driven along the transmission groove provided at the front end of the feed hopper, thereby driving the vibration of the filter plate, causing the filter plate to vibrate in the front and rear directions on the convex strips, which can effectively filter out dust and fine debris in the rice, and can effectively play a role in preventing blockage under the condition of vibration. The feeding amount is adjusted by the cooperation between the feeding ports. When the rice enters the interior of the box, the guide plate guides it to the screening plate. Under the suction of the suction fan, the lighter rice slides downward along the screening plate under the action of the rice on the rear side and flows out from the discharge port. The heavier stones slide upward along the screening plate under the suction of the suction fan, and then enter the baffle and flow out from the stone outlet. Under the support of the bracket, the filter net is used to filter the dust in the rice entering the interior of the box to prevent it from being directly sucked into the suction fan. The threaded connection between the cover and the disc serves as a disassembly and replacement device.

[0004] However, in the suction-type specific gravity stone remover for rice processing in the above application, gravel impurities may clog the air holes on the filter plate during screening, thereby affecting the air flow and thus the screening and stone removal effect. Therefore, there are certain limitations.

[0005] For this reason, we urgently need to provide a kind of rice processing suction type specific gravity stone removing machine. Utility Model Content

[0006] The purpose of the utility model is to provide a suction-type specific gravity stone removing machine for rice processing, so as to solve the problem that in the suction-type specific gravity stone removing machine for rice processing proposed in the above-mentioned background technology, crushed stone impurities may clog the air holes on the filter plate when the filter plate is screening, thereby affecting the air flow and thus affecting the screening and stone removal effect.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a suction-type specific gravity stone removing machine for rice processing, comprising a stone removing machine case and support legs, wherein the four support legs are respectively fixedly connected to the four corners of the lower surface of the stone removing machine case, and a stone removing device is arranged inside the stone removing machine case.

[0008] The stone removing device comprises a stone removing unit, an air suction unit, an anti-blocking unit and a feeding unit.

[0009] The stone removal unit includes a filter plate, a guide plate, a vibration motor, and a vibration spring. The filter plate is installed on the right side of the inside of the stone removal chassis, and the guide plate is fixedly connected to the left side of the filter plate. The two vibration motors are respectively installed on the left and right sides of the bottom of the stone removal chassis, respectively located below the filter plate and the guide plate. The four vibration springs are respectively fixedly connected to the four corners of the lower surface of the stone removal chassis, and their tops are respectively fixedly connected to the front and rear ends of the bottom of the filter plate and the guide plate.

[0010] A further improvement is that air holes are evenly opened on the outer surface of the filter plate, and screening holes are evenly opened on the outer surface of the guide plate. The vibration motor is started to drive the filter plate and the guide plate to vibrate up and down on the top of the vibration spring, and the suction unit is used to remove stones in the rice. When the stones slide to the top of the filter plate and flow onto the guide plate, the rice that may remain in the stones is screened out through the screening holes opened on the guide plate.

[0011] A further improvement is that a debris discharge port is provided below the left outer surface of the stone removal chassis, and a material discharge port is provided below the right outer surface of the stone removal chassis, the removed stones are discharged through the debris discharge port, and the rice is discharged through the material discharge port.

[0012] A further improvement is that the suction unit includes a fan, a connecting pipe, an air distribution pipe, and an air suction hood, the fan is installed on the top of the stone removal box, the connecting pipe is fixedly connected to the air suction port of the fan, and the bottom of the air distribution pipe extends into the interior of the stone removal box, the air distribution pipe is fixedly connected to the bottom of the connecting pipe, and the five air suction hoods are fixedly connected to the bottom of the air distribution pipe at equal intervals horizontally. When the vibration motor drives the filter plate to vibrate, the fan is started synchronously to generate an upward air flow through the connecting pipe and the air distribution pipe bottom air suction hood, and due to the different specific gravities of rice and stones, the vibration of the filter plate and the air flow through the air holes on the filter plate increase the porosity between the particles, the material is in a fluidized state, and automatic grading is promoted. The stones with higher specific gravity sink to contact the screen surface of the filter plate, and the grains with lower specific gravity float to the upper layer, and under the push of gravity, inertia and continuous feeding, slide down to the discharge port for discharge, while the stones with higher specific gravity slide to the top of the filter plate under the action of the inertia force of the filter plate vibration system and the air flow, and are finally discharged through the guide plate.

[0013] A further improvement is that the anti-blocking unit includes an electric telescopic rod, a puncture rod, and a connecting rod. The electric telescopic rod is installed obliquely at the bottom of the stone removal chassis. Several puncture rods are connected to each other by connecting rods and fixedly connected to the top of the electric telescopic rod. The puncture rods correspond to the air holes on the filter plate respectively. When removing stones, small stones may block the air holes. After a round of stone removal is completed, the electric telescopic rod is started to push the puncture rod into the inside of the air holes on the filter plate, thereby poking the stones out, avoiding blocking the air holes, affecting the air flow, and then affecting the stone removal work.

[0014] A further improvement is that the feeding unit includes a feeding hopper, a rotating shaft, a tension spring, and a dust baffle. The feeding hopper is fixedly connected to the top of the stone removal chassis. The two rotating shafts are rotatably connected to the left and right sides of the top of the feeding hopper respectively. The four tension springs are respectively installed at the front and rear ends of the two rotating shafts, and the two dust baffles are respectively fixedly connected to the inner side of the rotating shaft.

[0015] A further improvement is that a rotating groove is respectively opened on the left and right sides of the feed hopper, the rotating shaft is rotatably connected to the inside of the rotating groove, and spring magazines are respectively installed at both ends of the rotating groove, and the tension spring is installed inside the spring magazine. When the rice is poured into the stone removal chassis through the feed hopper, the gravity generated by the downstream presses the dust baffle to drive the rotating shaft to rotate inside the rotating groove and pull the tension spring until the unloading is completed. The tension spring is reset under the action of its own elasticity, thereby resetting the rotating shaft and the dust baffle on one side of it to avoid dust overflowing during stone removal.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. This suction-type gravity stoner for rice processing starts the fan synchronously when the vibration motor drives the filter plate to vibrate, generating an upward airflow through the connecting pipe and the suction hood at the bottom of the air distribution pipe. Due to the different specific gravities of rice and stones, the vibration of the filter plate and the airflow through the air holes on the filter plate increase the porosity between the particles, fluidizing the material and promoting automatic grading. The stones with higher specific gravity sink to contact the filter plate screen surface, while the grains with lower specific gravity float to the upper layer and, driven by gravity, inertia and continuous feeding, slide down to the discharge port for discharge. The stones with higher specific gravity slide above the filter plate under the action of the inertia force of the filter plate vibration system and the airflow, and are finally discharged through the guide plate.

[0018] 2. When removing stones from the rice processing suction-type specific gravity stone remover, small stones may clog the air holes. After a round of stone removal is completed, the electric telescopic rod is started to push the puncture rod into the air holes on the filter plate, thereby poking out the stones to avoid clogging the air holes, affecting the air flow, and thus affecting the stone removal work.

[0019] 3. In this suction-type gravity stoner for rice processing, when rice is poured into the stoner case through the feed hopper, the gravity generated by the downstream pressure presses the dust baffle, driving the rotating shaft to rotate inside the rotating trough and pulling the tension spring until the rice is unloaded. The tension spring resets under its own elastic action, thereby resetting the rotating shaft and the dust baffle on one side to prevent dust from overflowing during stone removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view structural diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the top structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the stone removal machine case of the present invention;

[0023] Figure 4 For the utility model Figure 3 Schematic diagram of the cross-sectional structure at point A in the middle.

[0024] In the figure: 1. Stone removal chassis; 2. Support legs; 301. Filter plate; 302. Guide plate; 303. Vibration motor; 304. Vibration spring; 305. Debris discharge port; 306. Discharge port; 307. Fan; 308. Connecting pipe; 309. Air distribution duct; 310. Suction hood; 311. Electric telescopic rod; 312. Piercing rod; 313. Connecting rod; 314. Feed hopper; 315. Rotating shaft; 316. Tension spring; 317. Dust baffle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figures 1-4 , the utility model provides a technical solution:

[0027] Example 1:

[0028] A suction-type specific gravity stoner for rice processing comprises a stoner case 1 and support legs 2. Four support legs 2 are fixedly connected to the four corners of the lower surface of the stoner case 1. A stoner device is provided inside the stoner case 1.

[0029] The stone removal device includes a stone removal unit, an air suction unit and a feeding unit.

[0030] The stone removal unit includes a filter plate 301, a guide plate 302, a vibration motor 303, and a vibration spring 304. The filter plate 301 is installed on the right side of the inside of the stone removal chassis 1, and the guide plate 302 is fixedly connected to the left side of the filter plate 301. Two vibration motors 303 are respectively installed on the left and right sides of the bottom of the stone removal chassis 1, respectively located below the filter plate 301 and the guide plate 302. Four vibration springs 304 are respectively fixedly connected to the four corners of the lower surface of the stone removal chassis 1, and their tops are respectively fixedly connected to the front and rear ends of the bottom of the filter plate 301 and the guide plate 302.

[0031] The outer surface of the filter plate 301 is evenly provided with air holes. The vibration motor 303 is started to drive the filter plate 301 and the guide plate 302 to vibrate up and down on the top of the vibration spring 304, and cooperate with the suction unit to remove stones in the rice.

[0032] A debris discharge port 305 is provided below the left outer surface of the stone removing chassis 1 , and a material discharge port 306 is provided below the right outer surface of the stone removing chassis 1 . The removed stones are discharged through the debris discharge port 305 , and the rice is discharged through the material discharge port 306 .

[0033] The suction unit includes a fan 307, a connecting pipe 308, an air distribution pipe 309, and an air suction hood 310. The fan 307 is installed on the top of the stone removal chassis 1. The connecting pipe 308 is fixedly connected to the air suction port of the fan 307, and its bottom extends into the interior of the stone removal chassis 1. The air distribution pipe 309 is fixedly connected to the bottom of the connecting pipe 308. Five air suction hoods 310 are fixedly connected to the bottom of the air distribution pipe 309 at equal intervals. When the vibration motor 303 drives the filter plate 301 to vibrate, the fan 307 is started synchronously, and the air is generated through the connecting pipe 308 and the air distribution pipe 309 bottom air suction hood 310. The upward airflow, and due to the different specific gravities of rice and stones, the vibration of the filter plate 301 and the airflow through the air holes on the filter plate 301 increase the porosity between the particles, and the material is in a fluidized state, which promotes automatic grading. The stones with higher specific gravity sink to contact the screen surface of the filter plate 301, and the grains with lower specific gravity float to the upper layer. Driven by gravity, inertia and continuous feeding, they slide down to the discharge port 306 for discharge. The stones with higher specific gravity slide to the top of the filter plate 301 under the action of the inertia force of the vibration system of the filter plate 301 and the airflow, and are finally discharged through the guide plate 302.

[0034] The feeding unit includes a feeding hopper 314, a rotating shaft 315, a tension spring 316, and a dust baffle 317. The feeding hopper 314 is fixedly connected to the top of the stone removal chassis 1. The two rotating shafts 315 are rotatably connected to the left and right sides of the top of the feeding hopper 314 respectively. The four tension springs 316 are respectively installed at the front and rear ends of the two rotating shafts 315. The two dust baffles 317 are respectively fixedly connected to the inner sides of the rotating shafts 315.

[0035] A rotating groove is provided on the left and right sides of the feed hopper 314, and the rotating shaft 315 is rotatably connected to the inside of the rotating groove, and spring magazines are installed at both ends of the rotating groove, and a tension spring 316 is installed inside the spring magazine. When rice is poured into the stone removal chassis 1 through the feed hopper 314, the gravity generated by the downstream presses the dust baffle 317 to drive the rotating shaft 315 to rotate inside the rotating groove and pull the tension spring 316 until the feeding is completed. The tension spring 316 is reset under its own elastic action, thereby resetting the rotating shaft 315 and the dust baffle 317 on one side thereof to avoid dust overflowing during stone removal.

[0036] Example 2:

[0037] Based on the first embodiment, screening holes are evenly provided on the outer surface of the guide plate 302. When the stones slide to the top of the filter plate 301 and flow onto the guide plate 302, the rice that may remain in the stones is screened out through the screening holes provided on the guide plate 302.

[0038] Example 3:

[0039] On the basis of Example 2, the stone removal device includes an anti-blocking unit, which includes an electric telescopic rod 311, a puncture rod 312, and a connecting rod 313. The electric telescopic rod 311 is installed obliquely at the bottom of the stone removal chassis 1, and several puncture rods 312 are connected to each other through the connecting rod 313 and fixedly connected to the top of the electric telescopic rod 311, and the puncture rods 312 correspond to the air holes on the filter plate 301 respectively.

[0040] During stone removal, small stones may clog the air holes. After a round of stone removal is completed, the electric telescopic rod 311 is started to push the puncture rod 312 into the air holes on the filter plate 301, thereby poking the stones out to avoid clogging the air holes, affecting the air flow, and further affecting the stone removal work.

[0041] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A suction-type specific gravity stoner for rice processing, comprising a stoner housing (1) and support legs (2), wherein four support legs (2) are respectively fixedly connected to four corners of the lower surface of the stoner housing (1), characterized in that: The stone removal machine box (1) is provided with a stone removal device inside; The stone removal device comprises a stone removal unit, an air suction unit, an anti-blocking unit and a feeding unit; The stone removal unit comprises a filter plate (301), a guide plate (302), a vibration motor (303), and a vibration spring (304); the filter plate (301) is mounted on the right side of the inside of the stone removal case (1); the guide plate (302) is fixedly connected to the left side of the filter plate (301); two vibration motors (303) are respectively mounted on the left and right sides of the bottom of the stone removal case (1), and are respectively located below the filter plate (301) and the guide plate (302); four vibration springs (304) are respectively fixedly connected to the four corners of the lower surface of the stone removal case (1), and the tops thereof are respectively fixedly connected to the front and rear ends of the bottom of the filter plate (301) and the guide plate (302).

2. A suction-type specific gravity stoner for rice processing according to claim 1, characterized in that: The outer surface of the filter plate (301) is evenly provided with air holes, and the outer surface of the guide plate (302) is evenly provided with screening holes.

3. A suction-type specific gravity stoner for rice processing according to claim 2, characterized in that: A debris discharge port (305) is provided below the left outer surface of the stone removal box (1), and a material discharge port (306) is provided below the right outer surface of the stone removal box (1).

4. The suction-type specific gravity stoner for rice processing according to claim 1, characterized in that: The air suction unit comprises a fan (307), a connecting pipe (308), an air distribution pipe (309), and an air suction hood (310); the fan (307) is installed on the top of the stone removal case (1); the connecting pipe (308) is fixedly connected to the air suction port of the fan (307), and the bottom of the connecting pipe (308) extends into the interior of the stone removal case (1); the air distribution pipe (309) is fixedly connected to the bottom of the connecting pipe (308); and five air suction hoods (310) are fixedly connected to the bottom of the air distribution pipe (309) at equal intervals horizontally.

5. A suction-type specific gravity stoner for rice processing according to claim 4, characterized in that: The anti-blocking unit comprises an electric telescopic rod (311), a piercing rod (312), and a connecting rod (313); the electric telescopic rod (311) is obliquely installed at the bottom of the stone removal machine box (1); a plurality of piercing rods (312) are respectively connected to each other through the connecting rod (313) and fixedly connected to the top of the electric telescopic rod (311); and the piercing rods (312) respectively correspond to the air holes on the filter plate (301).

6. The suction-type specific gravity stoner for rice processing according to claim 1, characterized in that: The feeding unit comprises a feeding hopper (314), a rotating shaft (315), a tension spring (316), and a dust baffle (317); the feeding hopper (314) is fixedly connected to the top of the stone removal machine case (1); the two rotating shafts (315) are rotatably connected to the left and right sides of the top of the feeding hopper (314); the four tension springs (316) are respectively installed at the front and rear ends of the two rotating shafts (315); and the two dust baffles (317) are respectively fixedly connected to the inner side of the rotating shaft (315).

7. A suction-type specific gravity stoner for rice processing according to claim 6, characterized in that: The left and right sides of the feed hopper (314) are respectively provided with a rotating groove, the rotating shaft (315) is rotatably connected to the inside of the rotating groove, and spring bins are respectively installed at both ends of the rotating groove, and the tension spring (316) is installed inside the spring bin.

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