Medlar dry fruit freshness locking equipment

CN224597487UActive Publication Date: 2026-08-07NINGXIA HONGZHEN WOLFBERRY AGRICULTURAL DEVELOPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGXIA HONGZHEN WOLFBERRY AGRICULTURAL DEVELOPMENT CO LTD
Filing Date
2025-07-03
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0003]目前对枸杞干果的锁鲜通常是利用真空冻干机对枸杞干果进行处理,使枸杞在高真空状态下,利用升华原理,使预先冻结的物料中的水分不经过冰的融化,直接以冰态升华为水蒸气被除去,目前现有的真空冷冻干燥机在使用的时候,通过将物料放置在置物平板上(有好几层),通过顶部的轨道运输,输送到一个真空冻干机中进行处理,由于目前所使用的轨道通常是单轨,导致置物平板在运输时会发生晃动,致使置物平板难以准确快速的进入真空冻干机内,需要人为手动对准,不仅增加了工作人员劳动强度,而且会浪费较多的时间,导致枸杞干果锁鲜效率较低

Benefits of technology

[0016]1、通过两个气缸的工作可以使两个匚型架相互靠近,直至两个匚型架处的多个圆辊将置物架夹住,可以使置物架在进入真空冻干机本体内部之前停止晃动,使得置物架能够快速的进入真空冻干机本体的内部,不需要人为手动将置物架与真空冻干机本体对准,因此不仅可以降低工作人员的劳动强度,而且相比于人工手动对准速度更快,从而可以提高对枸杞的锁鲜效率;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to lock fresh equipment technical field, concretely is Chinese wolfberry dried fruit lock fresh equipment, including vacuum freeze dryer body and the storage rack, the can body opening of vacuum freeze dryer body is provided with two symmetry and is used for the centering mechanism of stopping the swing of storage rack, the can body bottom of vacuum freeze dryer body is provided with the anti -sticky mechanism for preventing the adhesion of Chinese wolfberry and the placement tray. In the utility model, the work of two air cylinders can make two type frames close to each other, until the multiple round rollers at two type frames clamp the storage rack, can make the storage rack stop shaking before entering the inside of vacuum freeze dryer body, so that the storage rack can enter the inside of vacuum freeze dryer body quickly, do not need manual to aim at the storage rack and vacuum freeze dryer body, therefore not only can reduce the labor intensity of staff, and compared with manual aiming at the speed is faster, thereby can improve the lock fresh efficiency of Chinese wolfberry.
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Description

Technical Field

[0001] This utility model relates to the field of freshness-locking equipment technology, specifically to a freshness-locking equipment for dried goji berries. Background Technology

[0002] Goji berries are a common plant used for both medicinal and edible purposes. Their fruits are widely used in traditional medicine and modern health food, possessing various physiological functions such as immune regulation, anti-oxidation, and anti-fatigue. They also contain a variety of nutrients. Dried goji berries are the dried fruit of the goji berry plant, also known as "goji berries". In order to preserve its nutritional components, color, taste, and flavor to the greatest extent, and to extend its shelf life, the current processing of dried goji berries usually involves using freshness-locking equipment to preserve the medicinal and edible value of goji berries and improve the convenience of commodity circulation.

[0003] Currently, the preservation of dried goji berries is usually achieved using vacuum freeze dryers. This process involves sublimation under high vacuum, where the water in the pre-frozen material is removed as water vapor without the ice melting. Existing vacuum freeze dryers work by placing the material on a multi-layered pallet and transporting it via a top track. However, the current single-track system causes the pallets to wobble during transport, making it difficult to accurately and quickly align them into the freeze dryer. This requires manual alignment, increasing the workload for workers and wasting time, resulting in low preservation efficiency for the dried goji berries. Utility Model Content

[0004] The purpose of this invention is to provide a device for preserving the freshness of dried goji berries, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A freshness-preserving device for dried goji berries includes a vacuum freeze dryer body and a shelf. The opening of the tank of the vacuum freeze dryer body is provided with two symmetrical centering mechanisms to stop the shelf from swinging. The bottom of the tank of the vacuum freeze dryer body is provided with an anti-sticking mechanism to prevent goji berries from sticking to the shelf.

[0007] The centering mechanism includes a cylinder that penetrates and is detachably connected to the tank body of the vacuum freeze dryer. The output end of the cylinder is detachably connected to a U-shaped frame. Multiple rollers are rotatably connected at equal intervals inside the U-shaped frame. The cylinder drives the U-shaped frame and rollers at corresponding positions to move, so that the multiple rollers clamp the shelf, stop the shelf from swinging, and facilitate the operator to quickly push the shelf into the vacuum freeze dryer body.

[0008] Furthermore, the outer wall of the cylinder is fixedly connected to a fixing block that is bolted to the tank of the vacuum freeze dryer body. The cylinder and the tank of the vacuum freeze dryer body are detachably connected, which facilitates the maintenance of the roller and the cylinder in the later stage.

[0009] Furthermore, a rubber pad is fixedly connected to the outer wall of the cylinder. By fixing the rubber pad to the outer wall of the cylinder, and by the cylinder being press-fitted with the cylinder mounting hole under the action of the rubber pad, the sealing between the cylinder and the vacuum freeze dryer body can be increased, resulting in better freshness preservation effect and faster freshness preservation speed of the dried goji berries.

[0010] Furthermore, the anti-sticking mechanism includes a round rod located at the bottom of the vacuum freeze dryer body. Cams that contact the bottom of the shelf are fixedly connected at equal intervals to the outer wall of the round rod. Both ends of the round rod are provided with electric push rods that are fixedly connected to the tank of the vacuum freeze dryer body by bolts. The output end of the electric push rod is fixedly connected to a fixed ring that rotates through the round rod. The round rod drives multiple cams to rotate. The multiple rotating cams can cause the shelf to vibrate up and down slightly inside the vacuum freeze dryer body, thereby causing the goji berries on the shelf to jump up and down, preventing the goji berries from sticking to the container plate during the quick-freezing process.

[0011] Furthermore, one end of the round rod is provided with a telescopic component, and both ends of the telescopic component are fixedly connected to universal joints. The universal joint adjacent to the round rod is fixedly connected to the round rod. A motor is fixedly connected to the back of the tank of the vacuum freeze dryer body. The output end of the motor passes through the tank of the vacuum freeze dryer body and is fixedly connected to another universal joint. Driven by the motor, the round rod drives multiple cams to rotate, thereby causing the shelf to vibrate within the vacuum freeze dryer body.

[0012] Furthermore, the telescopic component includes a sleeve fixedly connected to a universal joint at a corresponding position. Inside the sleeve, a rod fixedly connected to a universal joint at a corresponding position is slidably sleeved. By sliding the rod inside the sleeve and through the two universal joints, the rod can be moved up or down. Driven by the motor, the rod can still drive multiple cams to rotate.

[0013] Furthermore, the inner wall of the sleeve is provided with a limiting groove, and the outer wall of the sleeve rod is fixedly connected with a limiting strip that is slidably connected to the limiting groove. Through the cooperation of the limiting strip and the limiting groove, rotation between the sleeve rod and the sleeve can be prevented.

[0014] Furthermore, the shelf consists of a top plate, a vertical plate, and multiple flat plates. The vertical plate is fixedly connected to the bottom surface of the top plate, and the multiple flat plates are fixedly connected to both sides of the vertical plate. A bottom plate is fixedly connected to the bottom end of the vertical plate, and magnets are embedded in the top surface of the flat plates. By spreading goji berries in a plate and then placing the plate containing goji berries on the corresponding flat plate, the plate containing goji berries can be attracted by the magnets embedded in the flat plates, thereby preventing the plate containing goji berries from being thrown off due to shaking during the sliding of the shelf on the slide rail.

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

[0016] 1. The operation of two cylinders can bring the two C-shaped frames closer together until multiple rollers at the two C-shaped frames clamp the rack. This stops the rack from shaking before it enters the vacuum freeze dryer, allowing it to enter quickly without the need for manual alignment. This not only reduces the labor intensity of the workers but also speeds up the process compared to manual alignment, thus improving the freshness preservation efficiency of goji berries.

[0017] 2. The motor drives the round rod to rotate, which in turn causes multiple cams to rotate. The rotating cams cause the rack to vibrate slightly up and down inside the vacuum freeze dryer, which causes the goji berries on the rack to bounce up and down, preventing them from sticking to the container plate during the quick-freezing process.

[0018] 3. The round rod is driven by two electric push rods. The upward movement of the round rod makes it easier for multiple cams to contact the bottom of the shelf. The rotation of the cams makes the goji berries jump on the shelf. The downward movement of the round rod can prevent the shelf from contacting the cams and blocking the shelf from moving into the vacuum freeze dryer body when it moves into the vacuum freeze dryer body.

[0019] 4. Use magnets to attach the plate containing goji berries to the flat surface to prevent the plate from being thrown off due to shaking while the shelf is sliding on the rails. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the centering mechanism in this utility model;

[0022] Figure 3 This is a schematic diagram showing the location of the anti-sticking mechanism in this utility model;

[0023] Figure 4 This is an enlarged view of point A in this utility model;

[0024] Figure 5 This is a schematic diagram of the central shelf of this utility model.

[0025] In the diagram: 1. Vacuum freeze dryer body; 2. Shelf; 21. Top plate; 22. Vertical plate; 23. Flat plate; 24. Bottom plate; 25. Magnet; 3. Centering mechanism; 31. Cylinder; 32. Chamfered frame; 33. Circular roller; 34. Fixing block; 4. Anti-sticking mechanism; 41. Round rod; 42. Cam; 43. Electric push rod; 44. Fixing ring; 45. Universal joint; 46. Motor; 47. Sleeve; 48. Sleeve rod; 49. Limiting strip. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1 - Figure 5 In this embodiment of the utility model, the goji berry dried fruit freshness-locking device includes a vacuum freeze dryer body 1 and a shelf 2. The opening of the tank of the vacuum freeze dryer body 1 is provided with two symmetrical centering mechanisms 3 for stopping the shelf 2 from swinging. The bottom of the tank of the vacuum freeze dryer body 1 is provided with an anti-sticking mechanism 4 to prevent goji berries from sticking to the shelf. The centering mechanism 3 includes a cylinder 31 that penetrates through the tank of the vacuum freeze dryer body 1 and is detachably connected. The output end of the cylinder 31 is detachably connected to a C-shaped frame 32. Multiple rollers 33 are rotatably connected at equal intervals inside the C-shaped frame 32.

[0028] Specifically, first, the plate containing goji berries is placed on the shelf 2. Then, the shelf 2 is moved into the vacuum freeze dryer body 1 via a slide rail. The vacuum freeze dryer body 1 (which is existing technology; the process of preserving the freshness of the goji berries will not be elaborated here) performs the freshness-preserving operation. When the shelf 2 moves to the opening of the vacuum freeze dryer body 1, the activation of two cylinders 31 causes multiple rollers 33 at the two U-shaped frames 32 to clamp the shelf 2, stopping its shaking and keeping it vertically downward. This continues until the shelf 2 is completely moved into the vacuum freeze dryer body 1 under external force. Then, the door of the vacuum freeze dryer body 1 is closed, making the interior of the vacuum freeze dryer body 1 completely sealed. The action of the rollers 33 reduces the friction between the shelf 2 and the rollers 33, making the movement of the shelf 2 into the vacuum freeze dryer body 1 smoother (currently, most shelves 2 are moved manually). The rack 2 is usually made of metal and is quite heavy. With the addition of a large amount of goji berries, the rack 2 becomes even heavier. Pushing the rack 2 is already strenuous for the staff. If multiple rollers 33 clamp the rack 2 and generate significant friction, the staff may not be able to push the rack 2. Therefore, the rollers 33 are set to rotate inside the U-shaped frame 32 to reduce the friction on the rack 2. This device uses the operation of two cylinders 31 to bring the two U-shaped frames 32 closer together until the multiple rollers 33 at the two U-shaped frames 32 clamp the rack 2. This stops the rack 2 from shaking before it enters the vacuum freeze dryer body 1, allowing the rack 2 to enter the vacuum freeze dryer body 1 quickly without the need for manual alignment of the rack 3 with the vacuum freeze dryer body 1. Therefore, it not only reduces the labor intensity of the staff, but is also faster than manual alignment, thus improving the freshness preservation efficiency of the goji berries.

[0029] Example 1

[0030] like Figure 2 As shown, in this embodiment, a fixing block 34 is fixedly connected to the outer wall of the cylinder 31 and is fixedly connected to the tank body of the vacuum freeze dryer 1 by bolts, and a rubber pad is fixedly connected to the outer wall of the cylinder 31.

[0031] In this embodiment, the cylinder 31 is detachably connected to the tank of the vacuum freeze dryer body 1, which facilitates the later maintenance of the roller 33 and the cylinder 31. By fixing a rubber pad to the outer wall of the cylinder 31, and by the interference fit between the cylinder 31 and the mounting hole of the cylinder 31 under the action of the rubber pad, the sealing between the cylinder 31 and the vacuum freeze dryer body 1 can be increased, resulting in better freshness preservation effect and faster freshness preservation speed of the dried goji berries.

[0032] Example 2

[0033] like Figure 3 and Figure 4 As shown, in this embodiment, the anti-sticking mechanism 4 includes a round rod 41 disposed at the bottom of the vacuum freeze dryer body 1. Cams 42, which contact the bottom of the shelf 2, are fixedly connected at equal intervals to the outer wall of the round rod 41. Electric push rods 43, which are bolted to the tank of the vacuum freeze dryer body 1, are disposed at both ends of the round rod 41. A fixed ring 44, which rotates through the round rod 41, is fixedly connected to the output end of the electric push rod 43. A telescopic member is disposed at one end of the round rod 41, and universal joints 45 are fixedly connected to both ends of the telescopic member, adjacent to the round rod 41. The universal joint 45 is fixedly connected to the round rod 41. The back of the tank of the vacuum freeze dryer body 1 is fixedly connected to the motor 46. The output end of the motor 46 passes through the tank of the vacuum freeze dryer body 1 and is fixedly connected to another universal joint 45. The telescopic component includes a sleeve 47 fixedly connected to the universal joint 45 at the corresponding position. The sleeve 47 is slidably sleeved with a sleeve rod 48 fixedly connected to the universal joint 45 at the corresponding position. The inner wall of the sleeve 47 is provided with a limit groove. The outer wall of the sleeve rod 48 is fixedly connected with a limit strip 49 that is slidably connected to the limit groove.

[0034] In this embodiment, when the shelf 2 is fully inserted into the vacuum freeze dryer body 1, the two electric push rods 43 drive the round rod 41 to move multiple cams 42 upwards until the small diameter end of the cams 42 contacts the bottom of the shelf 2. Then, the motor 46 drives the round rod 41 to rotate through the two universal joints 45 and the telescopic component, thereby causing the multiple cams 42 to rotate. The multiple rotating cams 42 cause the shelf 2 to vibrate slightly up and down inside the vacuum freeze dryer body 1, thereby causing the goji berries on the shelf 2 to bounce up and down, preventing the goji berries from adhering to the container plate during the quick-freezing process. By rotating the fixing ring 44 through the round rod 41, the electric push rods... 43 can drive the round rod 41 to move upward without affecting the rotation of the round rod 41. By sliding the sleeve rod 48 in the sleeve 47 and through the two universal joints 45, the round rod 41 can be moved upward or downward. The drive of the motor 46 can still make the round rod 41 drive multiple cams 42 to rotate. The drive of the two electric push rods 43 drives the round rod 41 to move. The upward movement of the round rod 41 makes it easier for multiple cams 42 to contact the bottom of the shelf 2. The rotation of the cams 42 makes the goji berries jump on the shelf 2. The downward movement of the round rod 41 can prevent the shelf 2 from contacting the cams 42 and blocking the shelf 2 from moving into the vacuum freeze dryer body 1 when it moves into the vacuum freeze dryer body 1.

[0035] Example 3

[0036] like Figure 5As shown, in this embodiment, the shelf 2 is composed of a top plate 21, a vertical plate 22 and multiple flat plates 23. The vertical plate 22 is fixedly connected to the bottom surface of the top plate 21, and the multiple flat plates 23 are respectively fixedly connected to both sides of the vertical plate 22. The bottom end of the vertical plate 22 is fixedly connected to a bottom plate 24, and a magnet 25 is embedded and fixed on the top surface of the flat plate 23.

[0037] In this embodiment, goji berries are laid out in a plate (the plate currently used is usually square and made of metal iron), and then the plate containing goji berries is placed on the corresponding flat plate 23. Since the flat plate 23 has a magnet 25 embedded in it, the plate containing goji berries can be attracted by the magnet 25, thereby preventing the plate containing goji berries from being thrown out due to shaking during the sliding of the shelf 2 on the slide rail.

[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0039] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for preserving the freshness of dried wolfberries, comprising a vacuum freeze dryer body (1) and a shelf (2), characterized in that, Two symmetrical centering mechanisms (3) are provided at the opening of the tank of the vacuum freeze dryer body (1) to stop the rack (2) from swinging. An anti-sticking mechanism (4) is provided at the bottom of the tank of the vacuum freeze dryer body (1) to prevent the goji berries from sticking to the tray. The centering mechanism (3) includes a cylinder (31) that penetrates and is detachably connected to the tank of the vacuum freeze dryer body (1). The output end of the cylinder (31) is detachably connected to a convex frame (32), and multiple rollers (33) are rotatably connected at equal intervals inside the convex frame (32).

2. The goji berry dried fruit freshness-locking device according to claim 1, characterized in that, The outer wall of the cylinder (31) is fixedly connected to a fixing block (34) which is fixedly connected to the tank body of the vacuum freeze dryer (1) by bolts.

3. The goji berry dried fruit freshness-locking device according to claim 2, characterized in that, A rubber pad is fixedly connected to the outer wall of the cylinder (31).

4. The wolfberry dried fruit freshness-locking device according to claim 3, characterized in that, The anti-sticking mechanism (4) includes a round rod (41) set at the bottom of the vacuum freeze dryer body (1). The outer wall of the round rod (41) is fixedly connected with cams (42) that contact the bottom end of the shelf (2) at equal intervals. Both ends of the round rod (41) are provided with electric push rods (43) that are fixedly connected to the tank of the vacuum freeze dryer body (1) by bolts. The output end of the electric push rod (43) is fixedly connected with a fixed ring (44) that rotates through the round rod (41).

5. The wolfberry dried fruit freshness-locking device according to claim 4, characterized in that, One end of the round rod (41) is provided with a telescopic component, and both ends of the telescopic component are fixedly connected with universal joints (45). The universal joints (45) adjacent to the round rod (41) are fixedly connected to the round rod (41). A motor (46) is fixedly connected to the back of the tank of the vacuum freeze dryer body (1). The output end of the motor (46) passes through the tank of the vacuum freeze dryer body (1) and is fixedly connected to another universal joint (45).

6. The wolfberry dried fruit freshness-locking device according to claim 5, characterized in that, The telescopic component includes a sleeve (47) that is fixedly connected to a universal joint (45) at a corresponding position, and a sleeve rod (48) that is fixedly connected to the universal joint (45) at a corresponding position is slidably sleeved inside the sleeve (47).

7. The wolfberry dried fruit freshness-locking device according to claim 6, characterized in that, The inner wall of the sleeve (47) is provided with a limiting groove, and the outer wall of the sleeve rod (48) is fixedly connected with a limiting strip (49) that is slidably connected to the limiting groove.

8. The goji berry dried fruit freshness-locking device according to claim 6, characterized in that, The shelf (2) consists of a top plate (21), a vertical plate (22) and multiple flat plates (23). The vertical plate (22) is fixedly connected to the bottom surface of the top plate (21), and the multiple flat plates (23) are fixedly connected to both sides of the vertical plate (22). The bottom end of the vertical plate (22) is fixedly connected to a bottom plate (24), and magnets (25) are embedded and fixed on the top surface of the flat plates (23).