A pre-screening device for soybean oil pressing

Abstract

The utility model discloses a pre-screening device for soybean oil pressing, which belongs to the technical field of soybean oil processing equipment, and includes a bottom shell and a screening box located above the bottom shell, a vibration mechanism is arranged in the bottom shell, one end of the vibration mechanism penetrates the upper side of the bottom shell and is fixedly connected to the bottom of the screening box, the upper side wall of the screening box is connected to a feeding port, a first V-shaped screen is fixedly connected to the upper part of the inner wall of the screening box, a first arc-shaped mesh cylinder is connected to the lower end of the first V-shaped screen, and a first discharge mechanism is arranged in the first arc-shaped mesh cylinder. In the utility model, by arranging the first V-shaped screen, the first arc-shaped mesh cylinder, the second V-shaped screen, the second arc-shaped mesh cylinder, the vibration mechanism, the first discharge mechanism and the second discharge mechanism, the soybeans can be fully contacted with the screens at all levels, the screening quality is guaranteed, and the soybeans of various specifications can be classified and discharged, thereby improving the screening efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of soybean oil processing equipment, in particular to a pre-screening device for soybean oil pressing. Background Art

[0002] Soybean oil is one of the most commonly used edible oils in the world and is one of the main edible oils for Chinese people, especially those in the north. Soybean oil is rich in many valuable nutrients. After being processed into finished oil, it must be kept fresh. Soybean oil is dark in color and tends to foam when heated when cooked. Most of the soybean oil on the market is refined oil, which is suitable for cooking. In the soybean oil pressing process, soybeans need to be pre-screened so that soybeans of different sizes and qualities can be screened out, so that soybean oils of different qualities can be produced according to the quality of the soybeans.

[0003] A pre-screening device for soybean oil pressing is patented in China (patent number: CN220004937U). The device includes a main filter box, a feeding port is provided on the top of the main filter box, a plurality of filter screens are staggered and hingedly provided on both sides of the main filter box, a guide plate is provided on both sides of the main filter box below the filter screen, a discharge pipe matching the guide plate is provided on both sides of the main filter box, a discharge plate is provided at the bottom of the main filter box, a discharge port matching the discharge plate is provided on the outside of the main filter box, a plurality of exhaust fans are provided on the rear side of the main filter box, an air guide duct is provided on the rear side of the main filter box, a plurality of air guide ducts are provided together with an air guide duct, a filter box is provided at the bottom of the air guide duct, and an air outlet is provided at the rear end of the filter box. The device screens soybeans through an integrated multi-stage, and lighter dust impurities can be extracted and filtered through the exhaust fan, so as to achieve a certain cleaning operation, which greatly improves the functionality of the screening equipment. However, the filter screen in the device is tilted, and the retention time of soybeans on the filter screen is short, which easily leads to insufficient screening of soybeans, thereby affecting the pre-screening quality of soybeans. Summary of the invention

[0004] The utility model aims to provide a pre-screening device for soybean oil pressing to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pre-screening device for soybean oil pressing, comprising a bottom shell and a screening box located above the bottom shell, a vibration mechanism is arranged in the bottom shell, one end of the vibration mechanism passes through the upper side of the bottom shell and is fixedly connected to the bottom of the screening box, a feeding port is connected to the upper side wall of the screening box, a first V-shaped screen is fixedly connected to the upper part of the inner wall of the screening box, a first arc-shaped mesh cylinder is connected to the lower end of the first V-shaped screen, a first discharge mechanism is arranged in the first arc-shaped mesh cylinder, The side wall of the screening box is provided with a first discharge port connected to the first arc-shaped mesh cylinder, the inner wall of the screening box located below the first V-shaped screen is fixedly connected with a second V-shaped screen, the lower end of the second V-shaped screen is connected to a second arc-shaped mesh cylinder, the second arc-shaped mesh cylinder is provided with a second discharge mechanism, the side wall of the screening box is provided with a second discharge port connected to the second arc-shaped mesh cylinder, the bottom front side of the screening box is connected to a third discharge port, and the mesh diameter of the first V-shaped screen is larger than the mesh diameter of the second V-shaped screen.

[0006] As a further solution of the utility model: wherein, the vibration mechanism includes a first motor fixed to the bottom wall of the bottom shell, the main shaft end of the first motor is fixedly connected to a cam, the end of the cam away from its rotation center is rotatably connected to a rocker arm, the upper end of the rocker arm is hingedly connected to a movable plate, the upper side wall of the movable plate is fixedly connected to two symmetrically arranged vibration rods, the upper ends of the two vibration rods pass through the bottom shell and are fixedly connected to the screening box.

[0007] As a further solution of the utility model: wherein, two vertically symmetrically arranged limiting rods are fixedly connected in the bottom shell, and the two limiting rods are both arranged to penetrate the movable plate.

[0008] As a further solution of the utility model: wherein, the first discharging mechanism and the second discharging mechanism have the same structure, the first discharging mechanism includes a second motor fixed on one side of the screening box, the main shaft end of the second motor passes through the first arc-shaped mesh cylinder and is fixedly connected to a spiral discharging rod.

[0009] As a further solution of the present invention: wherein, the screening box is provided with observation ports near the front side walls of the first V-shaped screen and the second V-shaped screen.

[0010] As a further solution of the utility model: wherein, spring members are fixedly connected between the four corners of the upper side wall of the bottom shell and the four corners of the bottom of the screening box.

[0011] As a further solution of the utility model: wherein, locking wheels are fixedly connected to the four corners of the bottom of the bottom shell.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A pre-screening device for soybean oil pressing, by arranging a first V-shaped screen, a first arc-shaped mesh cylinder, a second V-shaped screen and a second arc-shaped mesh cylinder, when the screening box vibrates, at this time, the first V-shaped screen can perform primary screening on the soybeans, and the large-grain soybeans at the screening place are collected in the first arc-shaped mesh cylinder and discharged from the first discharge port, and the falling medium-grain soybeans fall on the second V-shaped screen for screening, and the medium-grain soybeans are collected and discharged from the second discharge port, and the small-grain soybeans fall to the bottom of the screening box and are discharged from the third discharge port. The device can make the soybeans fully contact with the screens at each level, thereby ensuring the quality of screening.

[0014] 2. This pre-screening device for soybean oil pressing is equipped with a vibration mechanism, which starts the first motor and drives the cam to rotate. At this time, the rocker arm can be pulled to swing, and then the movable plate can be pulled to move up and down, which can drive the screening box fixed with the vibration rod to achieve a vibration effect, so as to screen the soybeans, with stable vibration and improved screening efficiency.

[0015] 3. The pre-screening device for soybean oil pressing is provided with a first discharging mechanism and a second discharging mechanism. When the soybeans screened by the first V-shaped screen or the second V-shaped screen fall into the first arc-shaped mesh cylinder or the second arc-shaped mesh cylinder respectively, the second motor is started to drive the spiral discharging rod to rotate, so that the soybeans can be discharged forcibly, and the discharging is stable and convenient to avoid blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the screening box in the utility model;

[0018] Figure 3 It is a right side cross-sectional structural schematic diagram of the screening box in the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the bottom shell of the utility model;

[0020] Figure 5 It is a front view structural diagram of the bottom shell of the utility model.

[0021] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0022] 1. Bottom shell; 2. Screening box; 3. Feeding port; 4. First V-shaped screen; 5. First arc-shaped mesh cylinder; 6. First discharge port; 7. Second V-shaped screen; 8. Second arc-shaped mesh cylinder; 9. Second discharge port; 10. Third discharge port; 11. First motor; 12. Cam; 13. Rocker; 14. Moving plate; 15. Vibrating rod; 16. Limit rod; 17. Second motor; 18. Spiral discharge rod; 19. Observation port; 20. Spring member; 21. Locking wheel. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0024] See also Figures 1 to 5 In the practical embodiment, a pre-screening device for soybean oil pressing includes a bottom shell 1 and a screening box 2 located above the bottom shell 1. A vibration mechanism is provided in the bottom shell 1. One end of the vibration mechanism passes through the upper side of the bottom shell 1 and is fixedly connected to the bottom of the screening box 2. A feeding port 3 is provided on the upper side wall of the screening box 2. Soybeans are added. A first V-shaped screen 4 is fixedly connected to the upper part of the inner wall of the screening box 2. A first arc-shaped mesh cylinder 5 is provided at the lower end of the first V-shaped screen 4. The first arc-shaped mesh cylinder 5 is provided with a The first discharging mechanism, the side wall of the screening box 2 is provided with a first discharging port 6 connected to the first arc-shaped mesh cylinder 5, the inner wall of the screening box 2 located below the first V-shaped screen 4 is fixedly connected with a second V-shaped screen 7, the lower end of the second V-shaped screen 7 is connected with a second arc-shaped mesh cylinder 8, the second arc-shaped mesh cylinder 8 is provided with a second discharging mechanism, the side wall of the screening box 2 is provided with a second discharging port 9 connected to the second arc-shaped mesh cylinder 8, the bottom front side of the screening box 2 is connected with a third discharging port 10, when the vibration When the mechanism works and drives the screening box 2 to vibrate, at this time, the first V-shaped screen 4 can perform a first-level screening of the soybeans, and the large-grain soybeans at the screening place are collected in the first arc-shaped mesh cylinder 5 and discharged from the first discharge port 6. The falling medium-grain soybeans fall on the second V-shaped screen 7 for screening, and the medium-grain soybeans are collected in the second arc-shaped mesh cylinder 8 and discharged from the second discharge port 9. The small-grain soybeans fall to the bottom of the screening box 2 and are discharged from the third discharge port 10. The device can make the soybeans fully contact with the screens at all levels, thereby ensuring the quality of screening. The mesh diameter of the first V-shaped screen 4 is larger than the mesh diameter of the second V-shaped screen 7, which is convenient for multi-stage screening and improves the screening quality. Each electrical component in the present device is externally connected to a control switch and an external power supply. The circuit involved is a prior art and can be fully implemented by those skilled in the art. Needless to say, in the present device, the mesh size of the first V-shaped screen 4 is consistent with that of the first arc-shaped mesh cylinder 5, and the mesh size of the second V-shaped screen 7 is consistent with that of the second arc-shaped mesh cylinder 8.

[0025] like Figure 4 and Figure 5 As shown: the vibration mechanism includes a first motor 11 fixed to the inner bottom wall of the bottom shell 1, the main shaft end of the first motor 11 is fixedly connected to a cam 12, the end of the cam 12 away from its rotation center is rotatably connected to a rocker rod 13, the upper end of the rocker rod 13 is hingedly connected to a movable plate 14, the upper side wall of the movable plate 14 is fixedly connected to two symmetrically arranged vibration rods 15, the upper ends of the two vibration rods 15 penetrate the bottom shell 1 and are fixedly connected to the screening box 2, when the soybeans need to be pre-screened, the first motor 11 is started to drive the cam 12 to rotate, at this time, the rocker rod 13 can be pulled to swing, and then the movable plate 14 can be pulled to lift and reciprocate, which can drive the screening box 2 fixed with the vibration rod 15 to achieve a vibration effect, so as to screen the soybeans, with stable vibration and improved screening efficiency.

[0026] like Figure 5 As shown, two vertically symmetrically arranged limiting rods 16 are fixedly connected to the bottom shell 1, and the two limiting rods 16 are arranged to penetrate the movable plate 14 to ensure that the movable plate 14 moves straight up and down.

[0027] like Figure 2 and Figure 3 As shown: the first discharging mechanism and the second discharging mechanism have the same structure, the first discharging mechanism includes a second motor 17 fixed on one side of the screening box 2, the main shaft end of the second motor 17 passes through the first arc-shaped mesh cylinder 5 and is fixedly connected with a spiral discharging rod 18, when the soybeans screened by the first V-shaped screen 4 or the second V-shaped screen 7 fall into the first arc-shaped mesh cylinder 5 or the second arc-shaped mesh cylinder 8 respectively, the second motor 17 is started to work, driving the spiral discharging rod 18 to rotate, so that the soybeans can be forced to be discharged, the discharging is stable and convenient, and blockage is avoided.

[0028] like Figure 1 As shown, the screening box 2 is provided with an observation port 19 on the front side wall near the first V-shaped screen 4 and the second V-shaped screen 7 to facilitate observation of the interior of the screening box 2 .

[0029] like Figure 1 and Figure 4 As shown: spring members 20 are fixedly connected between the four corners of the upper side wall of the bottom shell 1 and the four corners of the bottom of the screening box 2 , which can support the screening box 2 and improve the vibration effect of the screening box 2 .

[0030] like Figure 1 As shown: locking wheels 21 are fixedly connected to the four corners of the bottom of the bottom shell 1 to facilitate the movement or fixation of the device.

[0031] Working principle: When the device is used to pre-screen soybeans, the soybeans are added to the screening box 2 from the feeding port 3, and the first motor 11 is started to work, driving the cam 12 to rotate. At this time, the swing rod 13 can be pulled to swing, and then the movable plate 14 can be pulled to lift and lower, which can drive the screening box 2 fixed with the vibration rod 15 to achieve a vibration effect, so as to screen the soybeans, and the vibration is stable, thereby improving the screening efficiency; when the screening box 2 vibrates, at this time, the first V-shaped screen 4 can perform a primary screening of the soybeans, and the large-grain soybeans at the screening location are collected in the first arc-shaped mesh tube 5 and discharged from the first discharge port 6, and the falling medium-grain soybeans fall onto the second V-shaped screen 7 and enter Screening is carried out, medium-sized soybeans are collected in 8 and discharged from the second discharge port 9, and small-sized soybeans fall to the bottom of the screening box 2 and are discharged from the third discharge port 10. The device can make the soybeans fully contact with the screens at all levels, thereby ensuring the quality of screening. The mesh diameter of the first V-shaped screen 4 is larger than the mesh diameter of the second V-shaped screen 7, which is convenient for multi-stage screening and improves the screening quality; when the soybeans screened by the first V-shaped screen 4 or the second V-shaped screen 7 fall into the first arc-shaped mesh cylinder 5 or the second arc-shaped mesh cylinder 8 respectively, the second motor 17 is started to work, driving the spiral discharge rod 18 to rotate, so that the soybeans can be forced to be discharged, and the discharge is stable and convenient to avoid blockage.

[0032] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pre-screening device for soybean oil pressing, comprising a bottom shell (1) and a screening box (2) located above the bottom shell (1), characterized in that: The bottom shell (1) is provided with a vibration mechanism, one end of the vibration mechanism passes through the upper side of the bottom shell (1) and is fixedly connected to the bottom of the screening box (2), the upper side wall of the screening box (2) is connected to a feeding port (3), the upper part of the inner wall of the screening box (2) is fixedly connected to a first V-shaped screen (4), the lower end of the first V-shaped screen (4) is connected to a first arc-shaped mesh cylinder (5), the first arc-shaped mesh cylinder (5) is provided with a first discharge mechanism, and the side wall of the screening box (2) is provided with a first discharge port (6) connected to the first arc-shaped mesh cylinder (5). ), a second V-shaped screen (7) is fixedly connected to the inner wall of the screening box (2) located below the first V-shaped screen (4), a second arc-shaped mesh cylinder (8) is connected to the lower end of the second V-shaped screen (7), a second discharge mechanism is provided in the second arc-shaped mesh cylinder (8), a second discharge port (9) connected to the second arc-shaped mesh cylinder (8) is provided on the side wall of the screening box (2), a third discharge port (10) is connected to the front side of the bottom of the screening box (2), and the mesh diameter of the first V-shaped screen (4) is larger than the mesh diameter of the second V-shaped screen (7).

2. A pre-screening device for soybean oil pressing according to claim 1, characterized in that: The vibration mechanism comprises a first motor (11) fixed to the inner bottom wall of the bottom shell (1), a cam (12) being fixedly connected to the main shaft end of the first motor (11), an end of the cam (12) away from its rotation center being rotatably connected to a rocker rod (13), an upper end of the rocker rod (13) being hingedly connected to a movable plate (14), an upper side wall of the movable plate (14) being fixedly connected to two symmetrically arranged vibration rods (15), the upper ends of the two vibration rods (15) passing through the bottom shell (1) and being fixedly connected to the screening box (2).

3. A pre-screening device for soybean oil pressing according to claim 2, characterized in that: Two vertically symmetrically arranged limiting rods (16) are fixedly connected to the bottom shell (1), and the two limiting rods (16) are both arranged to penetrate the movable plate (14).

4. A pre-screening device for soybean oil pressing according to claim 1, characterized in that: The first discharging mechanism and the second discharging mechanism have the same structure. The first discharging mechanism comprises a second motor (17) fixed to one side of the screening box (2). The main shaft end of the second motor (17) passes through the first arc-shaped mesh cylinder (5) and is fixedly connected to a spiral discharging rod (18).

5. A pre-screening device for soybean oil pressing according to claim 1, characterized in that: The screening box (2) is provided with observation ports (19) on the front side walls close to the first V-shaped screen (4) and the second V-shaped screen (7).

6. A pre-screening device for soybean oil pressing according to claim 1, characterized in that: Spring components (20) are fixedly connected between the four corners of the upper side wall of the bottom shell (1) and the four corners of the bottom of the screening box (2).

7. A pre-screening device for soybean oil pressing according to claim 6, characterized in that: Locking wheels (21) are fixedly connected to the four corners of the bottom of the bottom shell (1).

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