Electric door device applied to gravity screen brown rice discharge port

Abstract

The utility model relates to an electrically operated gate device applied to a gravity screen brown rice discharge port, which comprises a driving motor and an electrically operated gate, an output shaft of the driving motor is connected with an electrically operated gate driving shaft, and the electrically operated gate driving shaft is provided with the electrically operated gate and a limit disc. A first electrically operated gate sensor and a second electrically operated gate sensor are arranged near the circumference of the limiting disc and arranged on the inner wall of the gravity screen shell, the limiting disc is fixedly connected with the electrically operated gate driving shaft, the first electrically operated gate sensor is arranged on the inner wall of the gravity screen shell, and the second electrically operated gate sensor is arranged on the inner wall of the gravity screen shell. And the second electric door sensor is arranged on the inner wall of the gravity screen shell. The problems that unpolished rice is blocked and rice processing efficiency is affected due to incomplete opening and closing are solved, manpower is not needed in the whole process, and labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of rice processing equipment, in particular to an electric door device applied to a brown rice discharge port of a gravity screen. Background Art

[0002] With the continuous development of mechanized agriculture, grain production is constantly increasing, and with it comes grain processing. During the processing, the husks and impurities in the rice are removed through a gravity screen, and the brown rice enters the brown rice hopper of the rice mill after removal. Among them, the gate of the brown rice outlet of the traditional gravity screen is manually controlled and needs to be opened or closed manually, which not only increases the labor intensity of the manual labor, but also easily causes incomplete opening and closing, resulting in brown rice blockage and material discharge obstruction. The machine needs to be shut down for cleaning, which wastes time and the rice processing efficiency is low. Utility Model Content

[0003] In view of the above problems, the utility model provides an electric door device applied to the brown rice discharge port of the gravity screen, which not only solves the problem of brown rice blockage caused by incomplete opening and closing, affecting rice processing efficiency, but also does not require manual labor throughout the process, reducing labor costs.

[0004] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is as follows: an electric door device applied to the brown rice discharge port of a gravity screen, comprising a drive motor and an electric door, the output shaft of the drive motor is connected to the electric door drive shaft, the electric door drive shaft is provided with an electric door and a limit plate, a first electric door sensor and a second electric door sensor are provided near the circumference of the limit plate, and the first electric door sensor and the second electric door sensor are arranged on the inner wall of the gravity screen shell.

[0005] Preferably, a light-transmitting hole is provided on the circumference of the limiting plate, and the first electric door sensor and the second electric door sensor are laser sensors.

[0006] Preferably, a magnet is provided on the circumference of the limit plate, and the first electric door sensor and the second electric door sensor are reed switches or magnetic sensors.

[0007] Preferably, a protrusion is provided on the circumference of the limit plate, the first electric door sensor and the second electric door sensor are limit switches, and the protrusion touches the limit switch during rotation.

[0008] Preferably, the output shaft of the drive motor is connected to the inner end of the electric door drive shaft through a drive motor connector.

[0009] Preferably, a spring connecting shaft is provided on the electric door driving shaft between the limit plate and the driving motor connector.

[0010] Preferably, one side of the spring connecting shaft is connected to one end of the spring, and the other end of the spring is connected to a spring fixing rod fixed on the inner wall of the gravity screen housing.

[0011] Preferably, an electric door handle is provided at the outer end of the electric door driving shaft.

[0012] Preferably, the electric door is in a rectangular shape.

[0013] The utility model has the following positive effects:

[0014] 1. The utility model uses a limit plate, a first electric door sensor and a second electric door sensor. The first electric door sensor and the second electric door sensor are arranged on the outer circumference of the limit plate. The angle between the second electric door sensor and the first electric door sensor is fixed, which can not only ensure that the electric door is opened and closed completely, so that the brown rice can be fed smoothly without congestion, thereby improving the processing efficiency of rice, but also the whole process does not require manual participation, reduces labor intensity, and thus reduces production costs.

[0015] 2. The utility model controls the electric door of the brown rice discharge port of the gravity screen through a limit plate, a drive motor and a PLC programmable logic controller, which is not only more intelligent, but also convenient for adjusting the opening and closing of the electric door during the production process, thereby improving the processing quality of rice and reducing the occurrence of secondary processing of rice.

[0016] 3. The utility model is provided with an electric door handle at the outer end of the electric door driving shaft, which can not only be operated automatically, but also can be operated manually during power outage to prevent brown rice from blocking the discharge port of the gravity screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the gravity screen of the utility model;

[0019] Figure 3 This is a schematic diagram of the control principle framework of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the limiting plate of the utility model.

[0021] Explanation of the numbers in the figure: 1-drive motor connector, 2-spring, 3-spring fixing rod, 4-light transmission hole, 5-electric door, 6-first electric door limit sensor, 7-second electric door limit sensor, 8-drive motor, 9-gravity screen housing, 10-limit plate, 11-electric door handle, 12-electric door drive shaft, 13-spring connecting shaft, 14-PLC programmable logic controller. DETAILED DESCRIPTION

[0022] The following is a description of exemplary embodiments of the present disclosure in conjunction with the accompanying drawings, including various details of the embodiments of the present disclosure to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0023] Example 1: Figure 1 or Figure 2 or Figure 3 or Figure 4 As shown, an electric door device applied to the brown rice discharge port of a gravity screen includes a drive motor 8 and an electric door 5. The output shaft of the drive motor 8 is connected to the electric door drive shaft 12. The electric door 5 and a limit plate 10 are provided on the electric door drive shaft 12. A first electric door sensor 6 and a second electric door sensor 7 are provided near the circumference of the limit plate 10. The first electric door sensor 6 and the second electric door sensor 7 are provided on the inner wall of the gravity screen shell 9.

[0024] In this embodiment, the limit plate 10 is fixedly connected to the electric door driving shaft 12 , the first electric door sensor 6 is arranged on the inner wall of the gravity screen housing 9 , and the second electric door sensor 7 is arranged on the inner wall of the gravity screen housing 9 .

[0025] In this embodiment, a light-transmitting hole 4 is provided on the circumference of the limiting plate 10 , and the first electric door sensor 6 and the second electric door sensor 7 are laser sensors.

[0026] In this embodiment, a magnet is provided on the circumference of the limit plate 10 , and the first electric door sensor 6 and the second electric door sensor 7 are reed switches or magnetic sensors.

[0027] In this embodiment, a convex block is provided on the circumference of the limit plate 10, the first electric door sensor 6 and the second electric door sensor 7 are limit switches, and the convex block touches the limit switch during rotation.

[0028] In this embodiment, the output shaft of the drive motor 8 is connected to the inner end of the electric door drive shaft 12 through the drive motor connector 1.

[0029] In this embodiment, a spring connecting shaft 13 is provided on the electric door driving shaft 12 between the limiting plate 10 and the driving motor connector 1 .

[0030] In this embodiment, one side of the spring connecting shaft 13 is connected to one end of the spring 2 , and the other end of the spring 2 is connected to the spring fixing rod 3 .

[0031] In this embodiment, an electric door handle 11 is provided at the top end of the electric door driving shaft 12 .

[0032] In this embodiment, the limiting plate 10 is rotatably connected to the electric door driving shaft 12 .

[0033] In this embodiment, the first electric door limit sensor 6 is connected to the input end of the PLC programmable logic controller 14 , and the second electric door limit sensor 7 is connected to the input end of the PLC programmable logic controller 14 .

[0034] In this embodiment, the driving motor 8 is connected to an output terminal of a PLC programmable logic controller 14 .

[0035] In this embodiment, the driving motor 8 is a servo motor.

[0036] In this embodiment, the electric door 5 is in a rectangular shape.

[0037] In this embodiment, the first electric door limit sensor 6 and the second electric door limit sensor 7 are laser sensors. When the limit plate 10 reaches the specified position as the electric door drive shaft 12 rotates, the laser sensor receives the light reflected back from the limit plate, converts the optical signal into an electrical signal through photoelectric conversion, and transmits it to the PLC programmable logic controller 14, thereby controlling the closing and opening of the electric door 5.

[0038] In the present embodiment, the first electric door limit sensor 6 and the second electric door limit sensor 7 are magnetoelectric limit sensors. When the limit plate 10 reaches the specified position as the electric door drive shaft 12 rotates, the magnetoelectric limit sensor detects the limit plate 10 and transmits an electrical signal to the PLC programmable logic controller. The PLC programmable logic controller 14 controls the closing and opening of the electric door 5.

[0039] The working principle of the utility model is as follows: brown rice and some unhusked rice enter the gravity screen, the gravity screen has multiple layers of screen surface, a material sensor is installed on the upper end of the first layer of screen surface of the gravity screen, after the material sensor senses the brown rice, it sends a signal to the PLC programmable logic controller 14, triggering the delayed opening instruction of the electric door 5 at the brown rice discharge port of the gravity screen pre-set in the PLC programmable logic controller 14, and at the same time, after the PLC programmable logic controller 14 detects the delayed opening instruction of the electric door 5 at the brown rice discharge port of the gravity screen and starts the countdown to the end instruction, the PLC programmable logic controller 14 The controller 14 sends a signal to the electric door driving motor 8 at the brown rice discharge port of the gravity screen. After the driving motor 8 receives the signal, the driving motor 8 runs and drives the electric door 5 on the electric door driving shaft 12. When the light-transmitting hole 4 at the brown rice discharge port of the gravity screen senses the electric door 5, a signal is sent to the PLC programmable logic controller 14. The PLC programmable logic controller 14 sends a signal to the driving motor 8 at the brown rice discharge port of the gravity screen. After receiving the signal, the driving motor 8 stops moving, and the electric door 5 at the brown rice discharge port of the gravity screen opens, and the brown rice enters the brown rice bucket of the rice mill.

[0040] In summary, the utility model not only solves the problem of brown rice blockage caused by incomplete opening and closing, which affects the rice processing efficiency, but also eliminates the need for manual labor throughout the process, thereby reducing labor costs.

[0041] The above specific implementations do not constitute a limitation on the protection scope of the present disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. An electric door device for use at a brown rice discharge port of a gravity screen, comprising a drive motor (8) and an electric door (5), characterized in that: The output shaft of the driving motor (8) is connected to the electric door driving shaft (12), the electric door driving shaft (12) is provided with an electric door (5) and a limit plate (10), a first electric door sensor (6) and a second electric door sensor (7) are provided near the circumference of the limit plate (10), and the first electric door sensor (6) and the second electric door sensor (7) are provided on the inner wall of the gravity screen housing (9).

2. The electric door device applied to the brown rice discharge port of the gravity screen according to claim 1, characterized in that: A light-transmitting hole (4) is provided on the circumference of the limit plate (10); the first electric door sensor (6) and the second electric door sensor (7) are laser sensors.

3. The electric door device applied to the brown rice discharge port of the gravity screen according to claim 1, characterized in that: A magnet is provided on the circumference of the limit plate (10), and the first electric door sensor (6) and the second electric door sensor (7) are reed switches or magnetic sensors.

4. The electric door device applied to the brown rice discharge port of the gravity screen according to claim 1, characterized in that: A convex block is provided on the circumference of the limit plate (10); the first electric door sensor (6) and the second electric door sensor (7) are limit switches; and the convex block touches the limit switch during rotation.

5. The electric door device applied to the brown rice discharge port of the gravity screen according to claim 1, 2, 3 or 4, characterized in that: The output shaft of the drive motor (8) is connected to the inner end of the electric door drive shaft (12) via a drive motor connector (1).

6. The electric door device applied to the brown rice discharge port of the gravity screen according to claim 1, 2, 3 or 4, characterized in that: A spring connection shaft (13) is provided on the electric door drive shaft (12) between the limit plate (10) and the drive motor connector (1).

7. The electric door device applied to the brown rice discharge port of the gravity screen according to claim 6, characterized in that: One side of the spring connecting shaft (13) is connected to one end of the spring (2), and the other end of the spring (2) is connected to a spring fixing rod (3) fixed on the inner wall of the gravity screen housing (9).

8. The electric door device applied to the brown rice discharge port of the gravity screen according to claim 1, 2, 3 or 4, characterized in that: An electric door handle (11) is provided at the outer end of the electric door driving shaft (12).

9. The electric door device for brown rice discharge port of a gravity screen according to claim 1, characterized in that: The electric door (5) is in the shape of a rectangle.

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