Vegetable freeze-drying system

Abstract

The utility model relates to a vegetable freeze-drying system which comprises an earlier stage processing unit and a freeze-drying unit, the earlier stage processing unit is connected with the freeze-drying unit, and the earlier stage processing unit comprises an earlier stage processing box, a conveying device and a cutting device. The cutting device and the water draining device are arranged in the same device, cleaned vegetables enter the device through a feeding port, a cutting motor rotates to drive an extrusion protruding block to rotate, so that the extrusion protruding block indirectly extrudes a blade part to move downwards to cut the vegetables, a conveying belt drives the cut vegetables to move, water on the vegetables can be drained out, and therefore the vegetables can be conveniently and rapidly cut. And the vibration draining device can continuously rotate and extrude the conveying belt, so that the conveying belt vibrates to improve the draining effect, it is guaranteed that the water content of the vegetables entering the freeze-drying unit is little, the freeze-drying efficiency and quality are prevented from being affected, and space is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to freeze-drying technical field, concretely relates to a vegetable freeze-drying system. BACKGROUND

[0002] Vegetable refers to the plant or fungus that can cook and become food, and the vegetable is one of the food that people must have in daily diet. The vegetable can provide the human body with various vitamins and minerals and other nutrients. With the vegetable being more and more widely used, in order to ensure the freshness of the vegetable, the freeze-drying is often used to preserve the vegetable, and the freeze-drying is commonly known as freeze-drying.

[0003] Before the vegetable is freeze-dried, the vegetable needs to be washed, cut, and drained, and then freeze-dried. Most of the pre-freeze-drying processes in the prior art are generally carried out through different devices, which makes the pre-freeze-drying process of the vegetable too cumbersome and the devices used in each process occupy too much space. In addition, the cutting or draining steps in the pre-freeze-drying process of the prior art often vibrate or rotate the vegetable, which can cause the vegetable to be impacted and lose water or nutrients. On the other hand, during the freeze-drying process of the vegetable, the large space of the freeze-drying box can cause the freeze-drying of the materials inside the freeze-drying box to be uneven, which can affect the freeze-drying quality and efficiency. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a vegetable freeze-drying system to solve the problems that the pre-vegetable processing in the prior art uses different devices for each part, which occupies a large space, and the pre-vegetable processing in the prior art causes the water and nutrients of the vegetable to be easily lost, and the freeze-drying of the materials in the freeze-drying box is uneven.

[0005] To solve the above technical problems, the technical scheme of the utility model is to provide a vegetable freeze-drying system, which comprises a pre-processing unit and a freeze-drying unit. The pre-processing unit and the freeze-drying unit are connected. The innovation point is that the pre-processing unit comprises a pre-processing box, a conveying device, and a cutting device. One end of the pre-processing box is provided with an inlet at the upper part. The lower edge of the inlet extends outward and upward to form an inlet plate. The other end of the pre-processing box is provided with an outlet at the lower part. The outlet is provided with a loading tray. The conveying device is arranged at the bottom of the pre-processing box. The cutting device is arranged at the position close to the inlet in the pre-processing box. The lower edge of the inlet is provided with a guide plate which is inclined inward and downward. The lower edge of the guide plate is arranged on the end of the conveying belt close to the inlet. The freeze-drying unit comprises a freeze-drying box. The freeze-drying box is provided with a plurality of loading trays.

[0006] Further, the conveying device comprises two conveying motors, a conveying belt and a baffle, two conveying belts are symmetrically arranged on the bottom of the preliminary processing box, the conveying belt is sleeved on the two conveying motors, the two sides of the upper conveying belt are respectively provided with baffles, the baffles are fixed on the bottom of the preliminary processing box through stand columns, the conveying belt is a mesh conveying belt, and the mesh diameter of the mesh conveying belt is smaller than the outer diameter of the cut material.

[0007] Further, the cutting device comprises a cutting motor, a conveying rod, a pressing protrusion and a cutting knife, the cutting knife comprises an elastic part, a connecting part and a blade part, the elastic part and the blade part are vertically arranged, the lower end of the elastic part and the upper end of the blade part are connected through the connecting part, the connecting part is horizontally arranged, the upper end of the elastic part and the cutting motor are fixed on the top of the preliminary processing box, the conveying rod is transmissionally connected with the motor, the end of the conveying rod is provided with the pressing protrusion, the pressing protrusion is located above the connecting part, the conveying rod rotates to press the connecting part through the pressing protrusion, so that the blade part moves downward, and the bottom end of the blade part moves downward and approaches the lower end of the guide plate.

[0008] Further, a plurality of vibration dewatering devices are arranged on the front and rear sides of the preliminary processing box and between the upper and lower layers of the conveying belt, and the vibration dewatering devices can rotate and intermittently contact the upper layer of the conveying belt.

[0009] Further, the vibration dewatering device comprises a vibration motor, a rotating rod and four vibration pieces, the vibration motor is fixed on the inner side of the preliminary processing box, the rotating rod is transmissionally connected with the vibration motor and extends to the conveying belt, the end of the rotating rod is uniformly provided with the four vibration pieces in the circumferential direction, and the vibration pieces rotate upward to press the upper layer of the conveying belt when the motor works.

[0010] Further, the bottom of the preliminary processing box is provided with a water outlet.

[0011] Further, the freeze-drying box is provided with a freeze-drying inner frame, a layer is arranged between the freeze-drying inner frame and the freeze-drying box, the freeze-drying inner frame is divided into a plurality of freeze-drying chambers through a plurality of partition plates, a charging tray is arranged in each freeze-drying chamber, a plurality of through holes are uniformly arranged on the freeze-drying inner frame, a refrigerating machine and a vacuum pump are further arranged on the freeze-drying box, and the refrigerating machine and the vacuum pump are in communication with the layer and the freeze-drying inner frame.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) The utility model discloses a kind of vegetable freeze-drying systems with early processing unit, cut device and moisture draining device are placed in the same device inside, clean vegetables are entered through feed inlet, by the rotation of cutting motor, extrusion boss is rotated, so that indirectly extruding blade portion is moved down to cut vegetables, conveying belt drives cut vegetables to move, can make the moisture of vegetables drain out, and vibration water draining device can also continuously rotate extrusion transmission belt, so that conveying belt vibration is increased to increase the effect of draining, ensure that the moisture of vegetables entering freeze-drying unit is not much, avoid affecting freeze-drying efficiency and quality, also save space.

[0014] (2) The utility model discloses a kind of vegetable freeze-drying systems of freeze-drying box, freeze-drying frame is equipped in, and through hole is equipped on freeze-drying frame, can be evenly freeze-dried to its inside vegetables.The uniformity of vegetable freeze-drying is guaranteed. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment will be simply introduced as follows, obviously, the drawings in the following description are only some embodiments described in the utility model, for ordinary skilled person in the art, other drawings can be obtained according to these drawings without creating creative labor. Figure 1 It is the structure schematic diagram of a kind of vegetable freeze-drying system of the utility model.

[0016] Figure 2 It is the right view of early processing unit in the utility model Figure 1 .

[0017] Figure 3 It is the structure schematic diagram of vibration water draining device in the utility model Figure 1 .

[0018] Figure 4 It is the internal perspective view of freeze-drying unit in the utility model Figure 1 .

[0019] Figure 5 It is the structure schematic diagram of one of freeze-drying frame in the utility model Figure 4 .

[0020] Wherein, 1 - freeze-drying unit, 2 - early processing box, 3 - feed inlet, 4 - feed plate, 5 - discharge port, 6 - loading tray, 7 - guide plate, 8 - freeze-drying box, 9 - transmission motor, 10 - conveying belt, 11 - baffle, 12 - stand, 13 - cutting motor, 14 - transmission rod, 15 - extrusion protrusion, 16 - elastic part, 17 - connecting part, 18 - blade part, 19 - vibration dewatering device, 20 - vibration motor, 21 - rotating rod, 22 - vibration piece, 23 - water outlet, 24 - freeze-drying inner frame, 25 - interlayer, 26 - partition plate, 27 - freeze-drying chamber, 28 - through hole, 29 refrigeration machine, 30 - vacuum pump. DETAILED DESCRIPTION

[0021] The technical scheme of the present application will be described clearly and completely in the following detailed description.

[0022] It should be noted that the front, rear and other directional words described in the present application are shown in the drawings of the present application, and are not a limitation on the device of the present application.

[0023] The present application provides a kind of freeze-drying system of vegetable, as shown in figure Figure 1 The present application provides a kind of freeze-drying system of vegetable, as shown in figure Figure 2 The early processing unit includes early processing box 2, conveying device and cutting device, the upper part of one end of early processing box is provided with feed inlet 3, the lower edge of feed inlet extends outwardly and upwardly to form feed plate 4, the lower part of the other end of early processing box is provided with discharge port 5, discharge port is provided with loading tray 6 outside, conveying device is arranged in the bottom of early processing box 2, cutting device is arranged in the position close to feed inlet in early processing box, the lower edge of feed inlet is inwardly inclined downwardly to form guide plate 7, the lower edge of guide plate is arranged on the end of conveying belt close to feed inlet, freeze-drying unit includes freeze-drying box 8, a plurality of loading trays 6 are evenly arranged in freeze-drying box.

[0024] The conveying device of the present application includes two transmission motors 9, conveying belt 10 and baffle 11, the two transmission motors are symmetrically arranged in the bottom of early processing box, conveying belt is drivingly connected to the two transmission motors, baffle 11 is arranged on the both sides of upper conveying belt, baffle is fixed to the bottom of early processing box by stand 12, as shown in figure Figure 1 And 2 The baffle is arranged to extend horizontally to the position of loading tray, the arrangement of baffle can avoid vegetables from falling out of conveying belt due to vibration when dewatering. The conveying belt is net-shaped conveying belt, the mesh aperture of conveying belt is smaller than the outer diameter of cutting material, the net-shaped arrangement of conveying belt can avoid vegetables from falling out of mesh while dewatering.

[0025] The utility model discloses a cutting device, including cutting motor 13, transmission rod 14, extrusion lugs 15 and cutting knife, and the cutting knife includes elastic part 16, connecting part 17 and blade part 18, and the elastic part and blade part are vertically arranged, and the lower end of elastic part and the upper end of blade part are connected through connecting part, and the connecting part is horizontally arranged, and the upper end of elastic part and cutting motor are all fixed on the top of preliminary processing box, and transmission rod drive connection motor, and the end of transmission rod is equipped with extrusion lug, and the extrusion lug is located the top of connecting part, and the rotation of transmission rod makes the blade part move down through extruding connecting part by extrusion lug, and the bottom end of blade part moves down and approaches the lower end of guide plate.

[0026] The cutting device of the utility model in use, through the rotation of cutting motor, drive transmission rod rotation, and the rotation of transmission rod can make extrusion lug indirectly extrude connecting part, thereby making blade part indirectly move down and cut vegetables, and the frequency of cutting is controlled through controlling the rotating speed of cutting motor.

[0027] The utility model discloses a preliminary processing unit still includes several vibration dewatering devices 19, as shown in Figure 3 Several vibration dewatering devices are evenly arranged on the front and back two sides of preliminary processing box and between the upper and lower layers of the conveying belt, and the vibration dewatering device can rotate and intermittently contact the upper layer of the transmission belt. Preferably, the vibration dewatering device includes a vibration motor 20, a rotating rod 21, and four vibration pieces 22. The vibration motor is fixed to the inner side of the preliminary processing box. The rotating rod is drivingly connected to the vibration motor and extends towards the transmission belt. The end of the rotating rod is evenly provided with four vibration pieces in the circumferential direction. The vibration pieces rotate upward to extrude the upper layer of the transmission belt when the motor is working. The indirect extrusion of the transmission belt by each vibration dewatering device makes the transmission belt vibrate, thereby increasing the efficiency and quality of dewatering.

[0028] The bottom of the preliminary processing box is provided with a water outlet 23. The water outlet can timely discharge the water dewatered from the vegetables, thereby avoiding damage to the equipment or increasing the humidity of the vegetables and reducing the quality of the freeze-dried materials.

[0029] The freeze-drying box is provided with a freeze-drying inner frame 24, as shown in Figure 4 A space layer 25 is arranged between the freeze-drying inner frame and the freeze-drying box. The freeze-drying inner frame is divided into several freeze-drying chambers 27 by several partition plates 26. A loading tray is arranged in each freeze-drying chamber. Several through holes 28 are evenly arranged on the freeze-drying inner frame, as shown in Figure 5 A refrigerating machine 29 and a vacuum pump 30 are further arranged on the freeze-drying box. The refrigerating machine and the vacuum pump are in communication with the space layer and the freeze-drying inner frame. The freeze-drying box of the vegetable freeze-drying system is provided with a freeze-drying frame and through holes on the freeze-drying frame, which can uniformly freeze-dry the vegetables inside. The uniformity of the freeze-drying of the vegetables is ensured.

[0030] The utility model uses principles for: the utility model's early processing unit, will cut device and water is drained device place in same device inside, through feed inlet into washed clean vegetable, through cut motor rotation drive extrusion boss rotation, make its indirect extrusion blade department downshift cut vegetable, conveyer belt drive cut vegetable movement, can make vegetable on water drain, and vibration water draining device also can constantly rotate extrusion transmission belt, make the conveyer belt vibration to increase the effect of draining, the utility model's vibration water draining device to the extrusion amplitude of conveyer belt is smaller, will not cause to the vegetable vibration is bigger and make its nutrient component loss, and guarantee the vegetable moisture that enters freeze drying unit is not much, avoid influence freeze drying efficiency and quality, also save space, the vegetable that drains water from processing discharge port flows out, enters loading tray.

[0031] The utility model's freeze drying unit, will each loading tray that good vegetable that drains water is placed in freeze drying room in freeze drying box, according to the kind of vegetable determines first freeze drying again vacuumizing or direct vacuum freeze drying.

[0032] The above-mentioned embodiment is merely described preferred implementation of the utility model, and does not limit the design concept and range of the utility model, and various modifications and improvements of the technical scheme of the utility model made by ordinary engineering technicians in the art without departing from the design concept of the utility model should fall into the protection range of the utility model, and the technical content of the utility model claimed has been all recorded in the technical requirements.

Claims

1. A vegetable freeze-drying system comprising a pre-treatment unit and a freeze-drying unit, said pre-treatment unit and freeze-drying unit being connected, characterized in that: The pre-treatment unit comprises a pre-treatment box, a conveying device and a cutting device. The pre-treatment box is provided with an inlet at the upper end of one end, and the lower edge of the inlet extends outward and upward to form an inlet plate. The other end is provided with an outlet at the lower part, and the outlet is provided with a loading tray. The conveying device is arranged at the bottom of the pre-treatment box. The cutting device is arranged near the inlet of the pre-treatment box. The lower edge of the inlet is provided with a guide plate which is inclined inward and downward. The lower edge of the guide plate is arranged on the end of the conveying belt near the inlet.

2. A system for freeze-drying vegetables according to claim 1, characterized in that: The conveying device comprises two conveying motors, a conveying belt and a baffle. The two conveying belts are symmetrically arranged at the bottom of the pre-treatment box. The conveying belt is driven and connected to the two conveying motors. The baffle is arranged on both sides of the upper conveying belt and is fixed to the bottom of the pre-treatment box by a vertical column. The conveying belt is a mesh conveying belt, and the mesh size of the conveying belt is smaller than the outer diameter of the cut material.

3. The system for freeze-drying vegetables of claim 1, wherein: The cutting device comprises a cutting motor, a conveying rod, a pressing protrusion and a cutting knife. The cutting knife comprises an elastic part, a connecting part and a blade part. The elastic part and the blade part are arranged vertically, and the lower end of the elastic part and the upper end of the blade part are connected by the connecting part. The connecting part is arranged horizontally. The upper end of the elastic part and the cutting motor are fixed to the top of the pre-treatment box. The conveying rod is connected to the motor, and the end of the conveying rod is provided with a pressing protrusion. The pressing protrusion is located above the connecting part. The rotation of the conveying rod extrudes the connecting part to make the blade part move downward. When the bottom end of the blade part moves downward, it approaches the lower end of the guide plate.

4. A system for freeze-drying vegetables according to claim 2 or 3, characterized in that: The pre-treatment unit further comprises a plurality of vibration dewatering devices. The vibration dewatering devices are evenly arranged on the front and rear sides of the pre-treatment box and between the upper and lower layers of the conveying belt. The vibration dewatering devices can rotate and intermittently contact the upper layer of the conveying belt.

5. A system for freeze-drying vegetables according to claim 4, characterized in that: The vibration dewatering device comprises a vibration motor, a rotating rod and four vibration pieces. The vibration motor is fixed to the inner side of the pre-treatment box. The rotating rod is connected to the vibration motor and extends towards the conveying belt. The end of the rotating rod is evenly provided with four vibration pieces in the circumferential direction. The vibration pieces rotate upward and extrude the upper layer of the conveying belt when the motor is working.

6. The vegetable lyophilization system of claim 1, wherein: The bottom of the pre-treatment box is provided with a water outlet.

7. The vegetable lyophilization system of claim 1, wherein: The freeze-drying unit comprises a freeze-drying box. The freeze-drying box is provided with a plurality of loading trays. The freeze-drying box is provided with a sandwich layer between the freeze-drying inner frame and the freeze-drying box. The freeze-drying inner frame is divided into a plurality of freeze-drying chambers by a plurality of partition plates. The freeze-drying chamber is provided with a loading tray. The freeze-drying inner frame is evenly provided with a plurality of through holes. The freeze-drying box is further provided with a refrigerator and a vacuum pump. The refrigerator and the vacuum pump are in communication with the sandwich layer and the freeze-drying inner frame.

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