Airflow stone removing device for rice

Abstract

The utility model relates to the technical field of rice processing equipment, in particular to a rice airflow stone removal device which comprises a mounting frame, transverse frames are symmetrically arranged between the tops of the mounting frame, a mounting plate is arranged between the two transverse frames, a discharging hopper is arranged on the mounting plate in an embedded mode, and a rotating shaft is rotationally arranged on the discharging hopper. And a separating wheel is arranged on the rotating shaft, a separating frame is arranged at the bottom of the mounting plate, and a guide plate is arranged between the inner side walls of the separating frame. The device is driven by the motor, high-speed rotation of the impeller and slow rotation of the material distributing wheel are achieved, and therefore rice can effectively fall into the sorting frame in a segmented mode. Through the airflow effect of the winnowing mechanism, rice and light impurities are blown to the left side, and heavy stones fall into a collecting frame under the gravity effect of the heavy stones due to the fact that the heavy stones are slightly influenced by airflow. And in the process, the stone removing efficiency of the rice is improved, the accuracy of the stone removing process is ensured, and mixing of impurities is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to rice processing equipment technical field especially relates to rice airflow removes stone device. BACKGROUND

[0002] With the gradual rise of rice yield in our country, and the demand of consumers to rice, prompting many rice processing enterprises to develop rapidly, when processing rice into rice, needs to pass through many production working procedures, needs to screen and filter sandstone in rice before processing, adopts single stone removing machine equipment to screen sandstone in rice, it is an important processing equipment in grain processing industry, its function is to remove stones and other impurities from rice, but because the size of stone particles mixed in rice is different, removing is more complex, therefore, the level of removal rate will directly affect the quality of rice.

[0003] At present, there are many screening methods of rice stone removing machine in the market, when removing stones, the screening net is used to discharge sandstone with particle size obviously larger than rice or obviously smaller than rice, and the stones with similar particle size to rice are mixed with rice and enter subsequent processing, and when the amount is large, the screening effect is poor, which affects the quality of rice, therefore, it is necessary to design rice airflow removes stone device, which can segmentally process falling rice and improve the separation efficiency. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects that the screening methods of rice stone removing machine in the market are used to discharge sandstone with particle size obviously larger than rice or obviously smaller than rice through the screening net when removing stones, and the stones with similar particle size to rice are mixed with rice and enter subsequent processing, and when the amount is large, the screening effect is poor, the utility model aims at providing rice airflow removes stone device.

[0005] The technical scheme of the utility model is: rice airflow removes stone device, including mounting frame, cross frame, mounting plate, discharge hopper, rotating shaft, distributing wheel, sorting frame, guide plate, winnowing mechanism, transmission assembly and screening mechanism, the cross frame is symmetrically arranged between the top of mounting frame, the mounting plate is arranged between the two cross frames, the discharge hopper is embeddedly arranged on the mounting plate, the rotating shaft is rotatably arranged on the discharge hopper, the distributing wheel is arranged on the rotating shaft, the sorting frame is arranged at the bottom of mounting plate, the guide plate is arranged between the inner side wall of sorting frame, the winnowing mechanism that communicates with sorting frame is arranged at the right side of mounting frame, the winnowing mechanism is used for airflow stone removing and sorting of rice falling to sorting frame, the power assembly of winnowing mechanism is connected with rotating shaft through transmission assembly, the screening mechanism that can guide the flow of rice and stone is arranged at the lower part of sorting frame.

[0006] Optionally, the winnowing mechanism comprises a support, a winnowing cylinder, a meshed disc, a rotating shaft, an impeller and a motor, the support is arranged on the right side of the mounting frame, the winnowing cylinder is arranged on the support, the meshed discs are embedded on the front and back of the winnowing cylinder, the rotating shaft is rotatably arranged between the centers of the two meshed discs, the impeller is arranged on the rotating shaft and located in the winnowing cylinder, the air outlet of the winnowing cylinder is in communication with the right side of the sorting frame, the motor is arranged on the top of the support, and the output shaft of the motor is connected with the rear end of the rotating shaft through a coupling.

[0007] Optionally, the transmission assembly is composed of two belt pulleys and a flat belt, the belt pulleys are arranged on the rear side of the rotating shaft and the rear side of the rotating shaft, and the flat belt is wound between the two belt pulleys.

[0008] Optionally, the screening mechanism comprises a fixed frame, a spring hanger, a screening frame, a screen, a flow guide hopper and a triangular flow guide block, the fixed frames are symmetrically arranged on the front and back side walls of the mounting plate, the spring hangers are hung on the fixed frames, the screening frame is hung between the lower parts of the four spring hangers, the triangular flow guide block is arranged on the right side of the screening frame, the screen is embedded on the left side in the screening frame, and the flow guide hopper is arranged on the left side at the bottom of the screening frame and located below the screen.

[0009] Optionally, it further comprises a connecting frame and an eccentric wheel, the connecting frames are symmetrically arranged on the front and back side walls of the right side of the triangular flow guide block, round holes are formed in the right sides of the connecting frames, the eccentric wheels are arranged on the front and back of the rotating shaft, and the eccentric wheels are embeddedly and fitly installed with the round holes of the connecting frames.

[0010] Optionally, it further comprises a collecting frame, the collecting frame is placed between the horizontal frames on the mounting frame and located at the lower part on the right side of the triangular flow guide block.

[0011] Advantages:

[0012] 1. The device is driven by a motor, which realizes the high-speed rotation of the impeller and the slow rotation of the distributing wheel, so as to effectively segment the rice falling into the sorting frame. Through the airflow effect of the winnowing mechanism, the rice and light impurities are blown to the left side, while the heavier stones fall into the collecting frame under the action of gravity. This process not only improves the stone removal efficiency of rice, but also ensures the accuracy of the stone removal process and reduces the mixing of impurities.

[0013] 2. The device also realizes the shaking of the triangular flow guide block and the screening frame through the cooperation of the eccentric wheel and the connecting frame, which further promotes the screening and stone removal of the rice. The design of the screen can effectively screen out small light impurities and crushed rice, and discharge them through the flow guide hopper, while the qualified rice slides out of the screening frame for collection. The whole device has simple structure and convenient operation, and can quickly and efficiently complete the stone removal of rice, meeting the production needs. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is a part of three-dimensional explosion structure schematic view of the utility model.

[0016] Figure 3 It is a mounting structure schematic view of the air separation mechanism of the utility model.

[0017] Figure 4 It is a part of structure schematic view of the air separation mechanism of the utility model.

[0018] Figure 5 It is a mounting structure schematic view of the screening mechanism of the utility model.

[0019] In the above drawing: 1 - mounting frame, 2 - cross frame, 3 - mounting plate, 4 - discharge hopper, 5 - rotating shaft, 6 - distributing wheel, 7 - sorting frame, 8 - guide plate, 9 - air separation mechanism, 91 - support, 92 - air separation cylinder, 93 - mesh disc, 94 - rotating shaft, 95 - impeller, 96 - motor, 10 - transmission assembly, 11 - screening mechanism, 111 - fixed frame, 112 - spring hanger, 113 - screening frame, 114 - screen, 115 - flow guide hopper, 116 - triangular flow guide block, 12 - connecting frame, 13 - eccentric wheel, 14 - collection frame. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0021] Embodiment: rice airflow deslagging device, such as Figures 1-5As shown, including the mounting frame 1, cross frame 2, mounting plate 3, hopper 4, rotating shaft 5, distributor 6, sorting frame 7, guide plate 8, winnowing mechanism 9, transmission assembly 10 and screening mechanism 11, connecting frame 12, eccentric wheel 13 and collection frame 14, the top of the mounting frame 1 is symmetrically welded with the cross frame 2, the two cross frames 2 are connected by bolts to provide the mounting plate 3, the mounting plate 3 is embedded with the hopper 4, the hopper 4 is rotatably provided with the rotating shaft 5, the rotating shaft 5 is provided with the distributor 6, the distributor 6 is uniformly and spacedly provided with the partition plate, the partition plate of the distributor 6 is in contact with the left and right two inclined surfaces of the hopper 4, the bottom of the mounting plate 3 is provided with the sorting frame 7, the inner side walls of the sorting frame 7 are provided with the guide plate 8, the guide plate 8 is triangular, the right side of the mounting frame 1 is provided with the winnowing mechanism 9 communicating with the sorting frame 7, the winnowing mechanism 9 is used for air flow desilication sorting of the rice falling into the sorting frame 7, the winnowing mechanism 9 includes a support 91, a winnowing cylinder 92, a mesh disc 93, a rotating shaft 94, an impeller 95 and a motor 96, the right side of the mounting frame 1 is provided with the support 91, the support 91 is provided with the winnowing cylinder 92, the winnowing cylinder 92 is embedded with the mesh disc 93 in front and back, the center of the two mesh discs 93 is rotatably provided with the rotating shaft 94, the rotating shaft 94 is provided with the impeller 95, the impeller 95 is located in the winnowing cylinder 92, the air outlet of the winnowing cylinder 92 communicates with the right side of the sorting frame 7, the top of the support 91 is provided with the motor 96, the output shaft of the motor 96 is connected with the rear end of the rotating shaft 94 through a coupling, the transmission assembly 10 is composed of two belt pulleys and a flat belt, the rear side of the rotating shaft 5 and the rear side of the rotating shaft 94 are provided with the belt pulleys, the flat belt is wound between the two belt pulleys, the diameter of the belt pulley on the rotating shaft 5 is 4 times that of the belt pulley on the rotating shaft 94, the lower part of the sorting frame 7 is provided with the screening mechanism 11 capable of guiding the rice and the stone, the screening mechanism 11 includes a fixed frame 111, a spring hanging frame 112, a screening frame 113, a screen 114, a guide hopper 115 and a triangular guide block 116, the left and right of the front and rear side walls of the mounting plate 3 are symmetrically provided with the fixed frame 111, the fixed frame 111 is hung with the spring hanging frame 112, the lower part of the four spring hanging frames 112 is hung with the screening frame 113, the right side of the screening frame 113 is provided with the triangular guide block 116, the left side of the screening frame 113 is embedded with the screen 114, the left side of the bottom of the screening frame 113 is provided with the guide hopper 115, the guide hopper 115 is located below the screen 114, the right side wall of the triangular guide block 116 is symmetrically provided with the connecting frame 12, the right side of the connecting frame 12 is provided with a circular hole, the front and rear of the rotating shaft 94 are provided with the eccentric wheel 13, the eccentric wheel 13 is embeddedly installed with the circular hole of the connecting frame 12, the horizontal frame of the mounting frame 1 is placed with the collection frame 14, the collection frame 14 is located at the right side lower part of the triangular guide block 116.

[0022] When the device needs to be used, the staff will need to screen the rice into the lower hopper 4, and then start the motor 96, the motor 96 drives the rotating shaft 94 to rotate, the impeller 95 on the rotating shaft 94 rotates, and the air is sucked and blown into the sorting frame 7 through the mesh disc 93. Since the diameter of the belt pulley on the rotating shaft 5 is 4 times that of the belt pulley on the rotating shaft 94, the impeller 95 rotates at high speed, the distributing wheel 6 rotates slowly, and the area between the evenly distributed partitions on the distributing wheel 6 drives a certain amount of rice to rotate to the lower side of the lower hopper 4 and falls into the sorting frame 7. Due to the action of the guide plate 8, the airflow blown by the winnowing mechanism 9 will blow the rice and light impurities to the left side, and then slide out through the left side slope of the guide plate 8 and fall into the screening frame 113 on the left side. The rice slides to the left through the left side of the triangular guide block 116, the stones are heavier and are less affected by the airflow, and fall under the action of their own gravity, and the stones slide to the right through the right side of the triangular guide block 116 and fall into the collecting frame 14. The rotating shaft 94 rotates and drives the connecting frame 12 to swing left and right through the eccentric wheel 13, and then the connecting frame 12 drives the triangular guide block 116 and the screening frame 113 to shake, and the screening rice slides to the left, the screen 114 can further screen the small light impurities and crushed rice, and the qualified rice will slide out to the left along the screening frame 113 and be collected. The device has simple structure and is convenient to operate, and can use airflow to quickly remove stones from the rice falling in sections.

[0023] Although the utility model has been described with reference to the exemplary embodiments, it should be understood that the utility model is not limited to the disclosed exemplary embodiments. The scope of the following claims should be given the broadest interpretation so as to encompass all variations and equivalent structures and functions.

Claims

1. A paddy air flow stoning device characterized by: The system includes a mounting frame (1), with crossbeams (2) symmetrically arranged between the top of the mounting frame (1), and a mounting plate (3) between the two crossbeams (2). A feeding hopper (4) is embedded in the mounting plate (3), and a rotating shaft (5) is rotatably arranged on the feeding hopper (4). A material distribution wheel (6) is arranged on the rotating shaft (5). A sorting frame (7) is arranged at the bottom of the mounting plate (3), and a guide plate (8) is arranged between the inner side walls of the sorting frame (7). An air separation mechanism (9) communicating with the sorting frame (7) is arranged on the right side of the mounting frame (1). The air separation mechanism (9) is used to perform airflow destone separation of the rice falling into the sorting frame (7). The power component of the air separation mechanism (9) is connected to the rotating shaft (5) through a transmission component (10). A screening mechanism (11) capable of guiding rice and stones is arranged at the lower part of the sorting frame (7).

2. The paddy airflow de-stoning device according to claim 1, characterized in that: The air separation mechanism (9) includes a bracket (91), the bracket (91) is provided on the right side of the mounting frame (1), the air separation cylinder (92) is provided on the bracket (91), the air separation cylinder (92) is embedded with mesh disks (93) at both the front and rear, the rotating shaft (94) is rotatably provided between the centers of the two mesh disks (93), the rotating shaft (94) is provided with an impeller (95), the impeller (95) is located inside the air separation cylinder (92), the air outlet of the air separation cylinder (92) is connected to the right side of the sorting frame (7), the motor (96) is provided on the rear side of the top of the bracket (91), and the output shaft of the motor (96) is connected to the rear end of the rotating shaft (94) through a coupling.

3. The paddy airflow de-stoning device according to claim 2, characterized in that: The transmission assembly (10) consists of two pulleys and a flat belt. Pulleys are provided on the rear side of the rotating shaft (5) and the rear side of the rotating shaft (94), and a flat belt is wound between the two pulleys.

4. The paddy airflow de-stoning device according to claim 3, characterized in that: The screening mechanism (11) includes a fixed frame (111). The fixed frame (111) is symmetrically arranged on the front and rear side walls of the mounting plate (3). A spring hanger (112) is hung on the fixed frame (111). A screening frame (113) is hung between the lower parts of the four spring hangers (112). A triangular guide block (116) is arranged on the right side of the screening frame (113). A screen (114) is embedded in the left side of the screening frame (113). A guide bucket (115) is arranged on the bottom left side of the screening frame (113). The guide bucket (115) is located below the screen (114).

5. The paddy airflow de-stoning device according to claim 4, characterized in that: It also includes a connecting frame (12), and the connecting frame (12) is symmetrically arranged on the front and back of the right side wall of the triangular guide block (116). The connecting frame (12) has a round hole on the right side. The rotating shaft (94) is provided with an eccentric wheel (13) on both the front and back. The eccentric wheel (13) is embedded and installed in the round hole of the connecting frame (12).

6. The paddy airflow de-stoning device according to claim 5, characterized in that: It also includes a collection frame (14), which is placed between the horizontal frames on the mounting bracket (1) and is located at the lower right side of the triangular guide block (116).

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