Jujube soaking, grading and draining device

By designing a jujube soaking and grading device, the automation of soaking, drying and size grading is realized, solving the problems of frequent equipment separation and manual operation in the existing technology, and improving work efficiency and automation are improved.

CN222486037UActive Publication Date: 2025-02-18BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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Patent Information

Application Number
CN202420791727.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-02-18
Estimated Expiration
2034-04-17

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Abstract

The utility model discloses a jujube fruit soaking, grading and draining device which comprises a soaking mechanism, a grading and draining mechanism, a transmission mechanism and a jujube fruit container, the soaking mechanism is arranged on one side of the grading and draining mechanism and used for conducting preservative soaking treatment on jujube fruits, and the jujube fruit container is used for containing the jujube fruits and connected with the transmission mechanism. The transmission mechanism is arranged to be capable of driving the jujube fruit container to move between the soaking mechanism and the grading and draining mechanism so as to convey the soaked jujube fruits to the grading and draining mechanism, and the grading and draining mechanism is arranged to be capable of automatically drying the jujube fruits and carrying out grading treatment according to the size grades of the jujube fruits in the treatment process; according to the jujube soaking, grading and draining device, the whole operation process of soaking, drying and size grading is automatically carried out, manual operation is not needed, drying and size grading are carried out at the same time, subsequent manual separation is not needed, time is saved, the automation degree is high, and working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of post-harvest preservation of fruits and vegetables, in particular to a device for soaking, grading and draining jujube fruits. Background Art

[0002] There are many kinds of jujube fruits. For example, winter jujube is a rare variety of jujube fruits in my country. Due to its thin skin, crispy flesh, high water content, and high respiration intensity, it is a non-storage variety and will rot and deteriorate in a short time after picking. The full red fruit at room temperature is very easy to lose water, shrink, become soft and moldy 2-3 days after picking, resulting in the reduction or loss of its commercial value and edible value. The post-harvest preservation methods of winter jujube mainly include biological preservation, physical preservation and chemical preservation. Among them, soaking in preservatives is the most common post-harvest preservation method of winter jujube. After soaking, the winter jujube needs to be dried and then subjected to subsequent treatment. In the soaking to drying process, the soaking equipment and the drying equipment are separated. After soaking, it needs to be manually transferred to the drying area for drying. Moreover, the drying area only dries the winter jujube and cannot grade the size of the winter jujube. It requires manual subsequent separate operation, with low automation and low work efficiency.

[0003] Therefore, the utility model provides a new jujube fruit soaking, grading and draining device to solve the above technical problems. Utility Model Content

[0004] The utility model aims to solve the above-mentioned technical problem, that is, to solve the problem that in the existing soaking and drying process for preserving jujube fruits, the soaking equipment and the drying equipment are separate, and after the soaking is completed, they need to be manually transferred to the drying area for drying, and the drying area only dries the winter jujubes, and the size of the winter jujubes cannot be graded, and manual subsequent separate operation is required, resulting in low automation and low work efficiency.

[0005] To this end, the utility model provides a jujube fruit soaking, grading and draining device, comprising a soaking mechanism, a grading and draining mechanism, a transfer mechanism and a jujube fruit container, the soaking mechanism being arranged on one side of the grading and draining mechanism for soaking the jujube fruit in a preservative, the jujube fruit container being used to hold the jujube fruit and being connected to the transfer mechanism, the transfer mechanism being arranged to be able to drive the jujube fruit container to move between the soaking mechanism and the grading and draining mechanism so as to transport the soaked jujube fruit to the grading and draining mechanism, the grading and draining mechanism being arranged to be able to automatically dry the jujube fruit and grade the jujube fruit according to the size grade during the processing.

[0006] In a specific embodiment of the above-mentioned jujube fruit soaking, grading and draining device, the grading and draining mechanism includes a processing box, a plurality of jujube fruit storage boxes, and a drying vibration system. The processing box is arranged on one side of the soaking mechanism. A plurality of vertically arranged jujube fruit storage boxes are installed in the processing box. The top of the jujube fruit storage box is an open structure. A plurality of evenly distributed first leakage holes are provided on the bottom wall of the jujube fruit storage box. The apertures of the plurality of first leakage holes on the bottom wall of the jujube fruit storage box gradually decrease in order from high to low. The drying vibration system is arranged in the processing box and is used for drying the jujube fruits in the jujube fruit storage box and causing the jujube fruit storage box to vibrate.

[0007] In a specific embodiment of the above-mentioned jujube fruit soaking, grading and draining device, the drying vibration system includes a first fan and a first oscillator, and one first oscillator is installed on the bottom wall of each jujube fruit storage box. A plurality of vertically arranged first fans are installed on the inner wall of the processing box, and each of the first fans blows air into one of the jujube fruit storage boxes.

[0008] In a specific embodiment of the above-mentioned jujube fruit soaking, grading and draining device, one side wall of the processing box is an open structure, the jujube fruit storage box can be pulled relative to the processing box to be pulled out or pushed in from the opening part of the processing box, and a discharge outlet is provided on the side wall of the jujube fruit storage box facing the opening part of the processing box, and a flip door is provided on the discharge outlet.

[0009] In a specific embodiment of the above-mentioned jujube fruit soaking, grading and draining device, a protective pad is installed on the inner wall of the jujube fruit storage box, and the first leakage hole passes through the protective pad.

[0010] In a specific embodiment of the above-mentioned jujube fruit soaking, grading and draining device, a limiting component is arranged between the jujube fruit storage box and the processing box, and the limiting component is arranged to limit the position of the jujube fruit storage box relative to the processing box during the drying and grading process of the jujube fruits.

[0011] In a specific embodiment of the above-mentioned jujube fruit soaking, grading and draining device, an inlet is provided at the top of the processing box, and the transfer mechanism allows the soaked jujube fruits to enter the jujube fruit storage box through the inlet. A vibration trough capable of generating vibration is connected to the inlet, and a plurality of evenly distributed second leakage holes capable of allowing jujube fruits to be graded by size to pass through are provided on the vibration trough. A second fan is installed on the processing box near the inlet.

[0012] In a specific embodiment of the above-mentioned jujube fruit soaking, grading and draining device, the soaking mechanism includes a soaking tank, a stirrer and a jujube fruit conveyor, the jujube fruit conveyor is installed on the side wall of the soaking tank away from the grading and draining mechanism, the jujube fruit conveyor cooperates with the transfer mechanism to transport the jujube fruits to be soaked into the jujube fruit container, the transfer mechanism drives the jujube fruit container into the soaking tank to soak the jujube fruits, and the stirrer is installed on the soaking tank to stir the soaking liquid.

[0013] In a specific embodiment of the above-mentioned jujube fruit soaking, grading and draining device, a containing port is provided at the top of the jujube fruit container, a discharge port is provided at the bottom of the jujube fruit container, a switch door that can be opened and closed automatically is provided on the discharge port, and liquid holes are provided on the side walls and the switch door of the jujube fruit container.

[0014] In a specific embodiment of the above-mentioned jujube fruit soaking, grading and draining device, the transfer mechanism includes a first linear drive and a second linear drive, the first linear drive is connected to the jujube fruit container so that it can move up and down, and the second linear drive is installed above the processing box and can drive the first linear drive to drive the jujube fruit container to move horizontally to transfer the soaked jujube fruits to the grading and draining mechanism.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. Through the setting of the transfer mechanism and the jujube container, the soaked jujube (such as winter jujube) can be automatically transferred to the grading and draining mechanism without manual handling. The designed grading and draining mechanism can dry the soaked jujube and grade it according to size during the drying process. There is no need for manual subsequent separation, which saves time, has a high degree of automation, and improves work efficiency;

[0017] 2. The jujube storage box can be pulled out relative to the processing box, which is convenient for pulling out the jujube storage box to check the drying and grading effects and to take out the jujubes after drying and grading. When the jujube storage box is undergoing drying and grading, the limiting component locks the jujube storage box on the processing box to prevent the jujube storage box from moving out of the processing box due to vibration, which would affect the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:

[0019] Figure 1 It is a schematic diagram of the overall structure of the jujube fruit soaking, grading and draining device provided by the utility model;

[0020] Figure 2 It is a top view of the position distribution of the transfer mechanism, the soaking tank and the processing box;

[0021] Figure 3 is a cross-sectional view of a date fruit container;

[0022] Figure 4 This is a top view of the date fruit storage box;

[0023] Figure 5 It is a structural schematic diagram of the connection between the jujube storage box and the processing box.

[0024] List of reference numerals:

[0025] 1. Soaking tank; 2. Jujube conveyor; 3. Transfer mechanism; 31. Second linear drive; 32. First linear drive; 4. Second fan; 5. Vibration tank; 6. Jujube storage box; 61. Flip door; 62. First leakage hole; 7. Jujube container; 71. Door body; 72. Liquid hole; 73. Sealing cover; 8. Processing box; 81. Inlet; 9. Support frame; 10. Buckle; 11. Stop rod; 12. Limit motor; 13. Second leakage hole. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the system or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc., are used to define components, only for the convenience of distinguishing the above components, and unless otherwise stated, the above terms have no special meaning and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "setting", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The utility model relates to the technical field of post-harvest preservation of fruits and vegetables, and in particular to a device for soaking, grading and draining jujube fruits. The purpose is to solve the problems that in the existing soaking and drying process for jujube fruit preservation, the soaking equipment and the drying equipment are separate, and after the soaking is completed, they need to be manually transferred to the drying area for drying, and the drying area only dries the winter jujubes, and the size of the winter jujubes cannot be graded, and manual subsequent separate operation is required, the degree of automation is low, and the work efficiency is low. To this end, the utility model provides a jujube fruit soaking, grading and draining device, comprising a soaking mechanism, a grading and draining mechanism, a transfer mechanism and a jujube fruit container. The soaking mechanism is arranged on one side of the grading and draining mechanism for soaking the jujube fruit in a preservative. The jujube fruit container is used to hold the jujube fruit and is connected to the transfer mechanism. The transfer mechanism is arranged to be able to drive the jujube fruit container to move between the soaking mechanism and the grading and draining mechanism to transport the soaked jujube fruit to the grading and draining mechanism. The grading and draining mechanism is arranged to be able to automatically dry the jujube fruit and grade the jujube fruit according to the size of the jujube fruit during the processing. The entire soaking, drying and size grading are all carried out automatically, not only without manual operation, but also drying and size grading are carried out simultaneously, without the need for subsequent manual separation, saving time, having a high degree of automation, and improving work efficiency.

[0030] Below, the jujube fruit soaking, grading and draining device provided by the embodiment of the utility model is described in detail with reference to the accompanying drawings.

[0031] See also Figure 1-2 The utility model provides a jujube fruit soaking, grading and draining device, comprising a soaking mechanism, a grading and draining mechanism, a transfer mechanism 3 and a jujube fruit container 7. The soaking mechanism is arranged on one side of the grading and draining mechanism for soaking the jujube fruit in a preservative. The jujube fruit container 7 is used to hold the jujube fruit and is connected to the transfer mechanism 3. The transfer mechanism 3 is arranged to be able to drive the jujube fruit container 7 to move between the soaking mechanism and the grading and draining mechanism to transport the soaked jujube fruit to the grading and draining mechanism. The grading and draining mechanism is arranged to be able to automatically dry the jujube fruit and grade the jujube fruit according to the size of the jujube fruit during the processing.

[0032] In one embodiment, see Figure 1 The soaking mechanism includes a soaking tank 1, a stirrer and a jujube conveyor 2. The jujube conveyor 2 is installed on the side wall of the soaking tank 1 away from the grading and draining mechanism. The jujube conveyor 2 cooperates with the transfer mechanism 3 to transport the jujubes to be soaked into the jujube container 7. The transfer mechanism 3 drives the jujube container 7 into the soaking tank 1 to soak the jujubes. The stirrer is installed on the soaking tank 1 to stir the soaking liquid.

[0033] Specifically, a dustproof box is fixed at the bottom of the soaking tank, the agitator includes a stirring blade and a driver, the driver is installed in the dustproof box, the dustproof box is provided with heat dissipation holes, the stirring blade is installed at the bottom of the soaking tank 1 and connected to the driver, the driver drives the stirring blade to rotate to stir the soaking liquid in the soaking tank 1, which helps the soaking liquid to be in a uniformly mixed state, which is beneficial to improve the soaking effect. The soaking tank 1 is provided with a drain port and a liquid injection port, the drain port is used to discharge the exhaust soaking liquid, and the liquid injection port is used to inject the required liquid, such as water, into the soaking tank 1, and the preservative can be directly added to the soaking tank 1. Exemplarily, the driver is a motor.

[0034] In addition, the jujube conveyor 2 can be, but is not limited to, a conveyor belt conveyor. The conveyor belt conveyor conveys the jujubes to the soaking tank 1, and the jujubes directly fall into the jujube container 7 after reaching the soaking tank 1 and separating from the conveyor belt, so that the jujube container 7 can carry the jujubes to the grading and draining mechanism.

[0035] In one embodiment, see Figure 2-3 A containing port is provided at the top of the jujube container 7, a discharge port is provided at the bottom of the jujube container 7, a switch door that can be opened and closed automatically is provided on the discharge port, and liquid holes 72 are provided on the side walls and the switch door of the jujube container 7.

[0036] Specifically, the switch door includes a door body 71 and a driving mechanism. The door body 71 is provided with a liquid through hole 72. The door body 71 is rotatably connected to the jujube container 7 around the discharge port. The driving mechanism drives the door body 71 to flip, and the discharge port is opened or closed by flipping. The driving mechanism includes a motor and a sealing cover 73. The sealing cover 73 is fixed on the side wall of the jujube container 7, and the motor is fixed in the sealing cover 73. Protective pads are bonded on the end surface of the door body 71 for contacting the jujubes and on the inner wall of the jujube container 7 to protect the jujubes and prevent the jujubes from being damaged by direct contact and collision with the jujube container 7. The protective pad can be a flexible material such as a rubber pad, and the liquid through hole 72 runs through the protective pad.

[0037] Of course, although the above-described opening and closing door uses a motor to drive the door body 71 to flip to realize the opening and closing of the discharge port, this is only an example. The opening and closing door can also adopt other opening and closing methods, such as a tilting method. The opening and closing door includes a door body 71 and a telescopic rod. One end of the door body 71 is hingedly connected to the jujube container 7. The telescopic rod is arranged on the jujube container 7. The rod end of the telescopic rod is hingedly connected to the door body 71. The door body 71 is tilted by the telescopic drive of the telescopic rod, thereby realizing the opening or closing of the discharge port. Therefore, without deviating from the basic principle of the utility model, the opening and closing method of the opening and closing door can be flexibly set according to actual usage and requirements.

[0038] In one embodiment, see Figure 2The transfer mechanism 3 includes a first linear drive 32 and a second linear drive 31. The first linear drive 32 is connected to the jujube container 7 so that it can move up and down. The second linear drive 31 is installed above the processing box 8 and can drive the first linear drive 32 to drive the jujube container 7 to move horizontally to transfer the soaked jujubes to the grading and draining mechanism, that is, to the inlet 81.

[0039] Specifically, the transmission mechanism 3 also includes a support frame 9, which is fixedly connected to the processing box 8 and the soaking tank 1, and the second linear drive 31 is installed on the support frame 9. The first linear drive 32 and the second linear drive 31 can both be linear drive modules. The slider in the first linear drive 32 is fixedly connected to the side wall of the jujube container 7, and the slider in the second linear drive 31 is fixedly connected to the first linear drive 32, so that the second linear drive 31 drives the first linear drive 32 to reciprocate horizontally as a whole, such as Figure 2 There are two first linear drivers 32 and two second linear drivers 31, each second linear driver 31 is connected to a first linear driver 32, and the two first linear drivers 32 are respectively connected to the two ends of the jujube container 7, so that the jujube container 7 is more secure during the movement.

[0040] In one embodiment, see Figure 1 , Figure 4 and Figure 5 The graded draining mechanism includes a processing box 8, a plurality of jujube storage boxes 6, and a drying vibration system. The processing box 8 is arranged on one side of the soaking mechanism. A plurality of vertically arranged jujube storage boxes 6 are installed in the processing box 8. The top of the jujube storage box 6 is an open structure. A plurality of evenly distributed first leakage holes 62 are provided on the bottom wall of the jujube storage box 6. The apertures of the first leakage holes 62 on the bottom walls of the plurality of jujube storage boxes 6 gradually decrease in order from high to low. The drying vibration system is arranged in the processing box 8 for drying the jujubes in the jujube storage box 6 and causing the jujube storage box 6 to vibrate.

[0041] Specifically, the processing box 8 is located on one side of the soaking tank 1, and the drying vibration system includes a first fan and a first oscillator. A first oscillator is installed on the bottom wall of each jujube storage box 6, and a plurality of first fans arranged vertically are installed on the inner wall of the processing box 8. For example, the first fan is installed on the side wall inside the processing box 8 (the first fan is not shown due to shielding), and each first fan blows air into one of the jujube storage boxes 6 to dry the jujubes by blowing hot air. There is a gap between the top of the jujube storage box 6 and the processing box 8, and the blown hot air is discharged from the gap to the outside of the processing box 8. A protective pad is installed on the inner wall of the jujube storage box 6, and the first leakage hole 62 passes through the protective pad. The protective pad can be a flexible material such as a rubber pad, which is used to protect the jujubes and prevent the jujubes from directly colliding with the bottom wall of the jujube storage box 6.

[0042] In the above embodiment, the bottom wall of the jujube storage box 6 vibrates under the oscillation of the first oscillator, so that jujubes smaller than the first leakage hole 62 can fall from it to the jujube storage box 6 of the next layer, and this layer only retains the jujubes that cannot pass through the first leakage hole 62. Since the first leakage holes 62 on each jujube storage box 6 are of different sizes, the jujubes can be graded by size during the drying process. In the vertical direction, that is, from top to bottom, the screened jujubes gradually decrease, thereby realizing the simultaneous automatic drying and size screening, with a high degree of automation, saving time and improving work efficiency.

[0043] In one embodiment, one side wall of the processing box 8 is an open structure, and the jujube storage box 6 can be pulled relative to the processing box 8 to be pulled out or pushed in from the opening portion of the processing box 8. A discharge outlet is provided on the side wall of the jujube storage box 6 facing the opening portion of the processing box 8, and a flip door 61 is provided on the discharge outlet.

[0044] Specifically, an opening structure is provided on the side wall of the processing box 8 facing away from the soaking tank 1. A guide rail is fixed on the inner side wall of the processing box 8 corresponding to each layer of the jujube storage box 6, and a slider is fixed on the outer wall on both sides of the jujube storage box 6. The slider is slidably connected to the guide rail, so that the jujube storage box 6 can be pulled relative to the processing box 8. The bottom end of the flip door 61 is hingedly connected to the jujube storage box 6, and the top end of the flip door 61 is connected to the jujube storage box 6 through the buckle 10, so that when the buckle 10 is in an open state, the discharge port is opened by flipping the flip door 61, and the flip door 61 and the jujube storage box 6 are in a fixed state when the buckle 10 is locked. Through the setting of the discharge port, after the jujubes are dried and graded, multiple jujubes can be pushed out from the discharge port at the same time with the help of external tools, so that the jujubes are easier to take out.

[0045] In one embodiment, see Figure 5 A limiting component is provided between the jujube storage box 6 and the processing box 8. The limiting component is configured to limit the position of the jujube storage box 6 relative to the processing box 8 during the drying and grading process of the jujube fruits. When drying and size grading are being performed, the jujube storage box 6 cannot be pulled out of the processing box 8, thereby ensuring smooth drying and avoiding the discharge of a large amount of hot air that affects the drying efficiency.

[0046] Exemplarily, the limit assembly includes a limit motor 12 and a stopper 11, the limit motor 12 is fixed on the side wall of the processing box 8, and the stopper 11 is fixedly connected to the output shaft of the limit motor 12. After the jujube storage box 6 is pushed in, the limit motor 12 is started to drive the stopper 11 to rotate, and the stopper 11 blocks the front side of the jujube storage box 6 so that the jujube storage box 6 cannot be pulled out. After drying and size grading are completed, the limit motor 12 drives the stopper 11 to rotate to a position that does not block the jujube storage box 6, and then the jujube storage box 6 can be pulled out.

[0047] In one embodiment, an inlet 81 is provided at the top of the processing box 8, and the transfer mechanism 3 allows the soaked jujubes to enter the jujube storage box 6 through the inlet 81. The inlet 81 is connected to a vibration trough 5 that can generate vibration. The vibration trough 5 is provided with a plurality of evenly distributed second leakage holes 13 that can allow the jujubes to be graded by size to pass through. A second fan 4 is installed on the processing box 8 near the inlet 81.

[0048] Specifically, the vibration tank 5 includes a vibration plate and a second oscillator. The vibration plate is fixedly connected to the processing box 8 to form a tank structure. The second oscillator is installed at the bottom of the vibration plate. The vibration plate is provided with a second leak hole 13. The vibration plate is provided with a protective pad, and the second leak hole penetrates the protective pad. After the jujube fruit is soaked, it enters the vibration tank 5 through the inlet 81. During the vibration of the second oscillator, it falls from the second leak hole to the nearby jujube fruit storage box 6. The soaked jujube fruit is dried by the cooperation of the second oscillator and the second fan 4. The jujube fruit entering the jujube fruit storage box 6 is preliminarily dried, which is conducive to accelerating the drying speed and improving the drying efficiency.

[0049] In addition, in the present application, the jujube fruit soaking, grading and draining device also includes a control system and a timer. The timer is used to time the soaking time. The timer is connected to the control system. The control system is used to control the soaking time. The transmission mechanism 3, the drying vibration system, the agitator, the jujube fruit conveyor 2, the second fan 4, the second oscillator, and the switch door are all connected to the control system to realize automatic control of each operation.

[0050] The specific working principle of the utility model is as follows: the jujube fruits to be soaked are placed on the jujube fruit conveyor 2, the transfer mechanism 3 is controlled to drive the jujube fruit container 7 to move, so that the jujube fruit container 7 is located below the jujube fruit conveyor 2, and then the jujube fruit conveyor 2 is started to transport the jujube fruits into the jujube fruit container 7. After the transportation is completed, the jujube fruit conveyor 2 is closed, and then the transfer mechanism 3 drives the jujube fruit container 7 to immerse in the soaking liquid of the soaking tank 1 for soaking. After the set soaking time is reached, the transfer mechanism 3 drives the jujube fruit container 7 to move up to a set position higher than the processing box 8 and stay for a set time, which is used to discharge excess soaking liquid from the liquid hole 72, which is beneficial to reduce the subsequent drying time. After the set time is reached, the jujube fruit container 7 is driven to move horizontally to be located directly above the inlet 81 of the processing box 8, and then the switch door is started to open, and the soaked jujube fruits are poured from the discharge port into the inlet 81, so that they fall into the vibration trough 5. After the discharge is completed, the switch door is closed, and the first wind is started The first fan, the second fan 4, the first oscillator and the second oscillator are used. The second fan 4 performs preliminary drying on the jujube fruits in the vibration trough 5. During the vibration process, the jujube fruits enter the adjacent jujube fruit storage box 6 through the second leakage hole. The jujube fruits in the jujube fruit storage box 6 are dried under the blowing action of the first fan, and under the vibration action of the first oscillator, the jujube fruits smaller than the first leakage hole 62 fall from the first leakage hole 62 into the jujube fruit storage box 6 immediately below. The jujube fruits fall one by one to achieve the purpose of grading according to their size. After the drying and grading process is completed, the first fan, the second fan 4, the first oscillator and the second oscillator are turned off, and the limit motor 12 is started to drive the baffle rod 11 to rotate to a position that does not block the jujube fruit storage box 6. Then, the jujube fruit storage box 6 can be pulled out, the flip door 61 is opened, and the jujube fruits are pushed out of the jujube fruit storage box 6 with the help of external tools. The jujube fruit soaking, drying and grading process is completed once, and the jujube fruits are transferred to the next step.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A device for soaking, grading and draining jujube fruit, characterized in that: It includes a soaking mechanism, a grading and draining mechanism, a transfer mechanism and a jujube container. The soaking mechanism is arranged on one side of the grading and draining mechanism for soaking the jujubes in a preservative. The jujube container is used to hold the jujubes and is connected to the transfer mechanism. The transfer mechanism is arranged to be able to drive the jujube container to move between the soaking mechanism and the grading and draining mechanism to transport the soaked jujubes to the grading and draining mechanism. The grading and draining mechanism is arranged to be able to automatically dry the jujubes and grade them according to the size of the jujubes during the processing.

2. The jujube fruit soaking, grading and draining device according to claim 1, characterized in that: The graded drainage mechanism includes a processing box, a plurality of jujube storage boxes, and a drying vibration system. The processing box is arranged on one side of the soaking mechanism. A plurality of vertically arranged jujube storage boxes are installed in the processing box. The top of the jujube storage box is an open structure. The bottom wall of the jujube storage box is provided with a plurality of evenly distributed first leakage holes. The apertures of the plurality of first leakage holes on the bottom wall of the jujube storage boxes gradually decrease in order from high to low. The drying vibration system is arranged in the processing box for drying the jujubes in the jujube storage box and causing the jujube storage box to vibrate.

3. The jujube fruit soaking, grading and draining device according to claim 2, characterized in that: The drying vibration system includes a first fan and a first oscillator. A first oscillator is installed on the bottom wall of each jujube storage box. A plurality of vertically arranged first fans are installed on the inner wall of the processing box. Each of the first fans blows air into one of the jujube storage boxes.

4. The jujube fruit soaking, grading and draining device according to claim 2, characterized in that: One side wall of the processing box is an open structure, and the jujube storage box can be pulled relative to the processing box to be pulled out or pushed in from the opening part of the processing box. A discharge outlet is provided on the side wall of the jujube storage box facing the opening part of the processing box, and a flip door is provided on the discharge outlet.

5. The jujube fruit soaking, grading and draining device according to claim 2, characterized in that: A protective pad is installed on the inner wall of the jujube storage box, and the first leakage hole penetrates the protective pad.

6. The jujube fruit soaking, grading and draining device according to claim 4, characterized in that: A limiting component is arranged between the jujube storage box and the processing box, and the limiting component is arranged to limit the position of the jujube storage box relative to the processing box during the drying and grading process of the jujubes.

7. The jujube fruit soaking, grading and draining device according to claim 2, characterized in that: The top of the processing box is provided with an inlet, and the transfer mechanism allows the soaked jujubes to enter the jujube storage box through the inlet. The inlet is connected to a vibration trough that can generate vibration, and the vibration trough is provided with a plurality of evenly distributed second leakage holes that can allow the jujubes to be graded by size to pass through. A second fan is installed on the processing box near the inlet.

8. The device for soaking, grading and draining jujube fruits according to claim 7, characterized in that: The soaking mechanism includes a soaking tank, a stirrer and a jujube conveyor. The jujube conveyor is installed on the side wall of the soaking tank away from the grading and draining mechanism. The jujube conveyor cooperates with the transfer mechanism to transport the jujubes to be soaked into the jujube container. The transfer mechanism drives the jujube container into the soaking tank to soak the jujubes. The stirrer is installed on the soaking tank to stir the soaking liquid.

9. The device for soaking, grading and draining jujube fruits according to claim 1, characterized in that: The top of the jujube container is provided with a containing port, the bottom of the jujube container is provided with a discharge port, the discharge port is provided with a switch door that can be opened and closed automatically, and the side wall and the switch door of the jujube container are both provided with liquid holes.

10. The device for soaking, grading and draining jujube fruits according to claim 1, characterized in that: The transfer mechanism includes a first linear drive and a second linear drive, wherein the first linear drive is connected to the jujube container so that it can move up and down, and the second linear drive is installed above the processing box and can drive the first linear drive to drive the jujube container to move horizontally to transfer the soaked jujubes to the grading and draining mechanism.

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