Freeze drying device for marine products
By designing a freeze-drying device with rotating discs, electric lifting rods and multiple motors, the problem of poor freeze-drying effect caused by seafood accumulation is solved, and the full contact and convenient removal of seafood and freezing gas are achieved, improving the fresh preservation effect.
Patent Information
- Application Number
- CN202510832234.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-20
- Publication Date
- 2025-08-12
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the existing freeze-drying equipment for seafood, seafood is prone to accumulation, resulting in poor freeze-drying effect and insufficient contact with frozen gas, which affects the fresh preservation effect.
A freeze-drying device including a rotating disc, an electric lifting rod, multiple motors and gas delivery systems is designed to achieve all-round freeze-drying of seafood through rotation, lifting and gas delivery, avoiding accumulation and easy removal.
It achieves full contact between seafood and frozen gas, improves the freeze-drying effect, ensures fresh preservation quality, and facilitates the removal of seafood, avoids the risk of frostbite.
Smart Images

Figure CN120466945A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of seafood preservation, in particular to a freeze-drying device for seafood. Background Art
[0002] Seafood refers to all biological resources from the ocean, including fish, crustaceans (such as shrimp and crab), mollusks (such as shellfish and squid), seaweed and other marine organisms. In order to extend the shelf life of seafood and retain its original nutrients and flavor, freeze-drying equipment is required to freeze-dry seafood during its storage process.
[0003] However, most existing freeze-drying processes involve placing seafood directly in a freeze-drying device. This can lead to the seafood stacking up, which can affect the freeze-drying effect. Furthermore, the refrigerated air cannot fully contact the seafood during freeze-drying, reducing the seafood's freshness preservation. Therefore, those skilled in the art have provided a freeze-drying device for seafood to address the problems outlined in the background art. Summary of the Invention
[0004] The object of the present invention is to provide a freeze-drying device for seafood to solve the problems raised in the above background technology.
[0005] To achieve the above object, the present invention provides the following technical solutions: A freeze-drying device for seafood, comprising a box bottom plate, a box cover arranged on the front surface and the rear surface of the box bottom plate, a box right side plate installed on one side of the box cover, a box left side plate arranged on the other side of the box cover, and a box top plate installed on one side of the left side plate of the box and located above the box cover, wherein a first motor is installed on the upper surface of the box top plate, a driving end of the first motor is connected to a rotating shaft, a rotating disk is sleeved on the outer side of the rotating shaft, a placing disk is clamped on the upper surface of the rotating disk, an electric lifting rod is installed on the upper surface of the left side plate of the box, and a lifting slot is opened on one side of the left side plate of the box, a lifting plate is slidably installed in the lifting slot, a mounting plate is installed on one side of the lifting plate, and connecting rods are symmetrically provided on the lower surface of the mounting plate; A connecting plate is slidably installed on one side of the left side panel of the box above the bottom plate of the box, a third motor is symmetrically installed on one side of the right side panel of the box, and a freezer is installed on one side of the right side panel of the box behind the third motor, an air inlet pipe is provided on one side of the freezer, and a hose is connected to the other side of the freezer, one end of the hose is connected to an exhaust pipe, an air outlet is provided on the inner side of the exhaust pipe, a second motor is provided on one side of the right side panel of the box in front of the third motor, a fixing groove is provided on the upper surface of the bottom plate of the box, a screw is rotatably installed inside the fixing groove, and a movable plate is installed at the end face of the lower surface of the connecting plate.
[0006] As a further solution of the present invention: the fixed end of the electric lifting rod is installed on the upper surface of the left side plate of the box, and the telescopic end of the electric lifting rod is connected to the upper surface of the lifting plate, and one side of the mounting plate is installed at the end surface position of one side of the lifting plate.
[0007] As a further solution of the present invention: at least four connecting rods are symmetrically arranged on the lower surface of the mounting plate, and the lower ends of the connecting rods are in contact with the inner surface of the placement tray.
[0008] As a further solution of the present invention: the placement plate is composed of two semicircular plate bodies, and positioning pins are symmetrically provided on the lower surface of the placement plate, and fixing holes that are compatible with the positioning pins are opened on the upper surface of the rotating plate.
[0009] As a further solution of the present invention: the movable plate is threadedly connected to the screw outside the screw, the driving end of the second motor is connected to one end of the screw, and the other end of the screw is rotatably connected to the bearing arranged inside the fixed groove.
[0010] As a further solution of the present invention: a guide rod is further provided inside the fixing groove behind the screw rod, and the movable plate is slidably mounted on the outside of the guide rod.
[0011] As a further solution of the present invention: the driving end of the third motor is connected to a connecting shaft, one end of the connecting shaft is connected to a connecting sleeve, the connecting sleeve is sleeved on the outside of the exhaust pipe, and the exhaust pipe is set in a "U" shape.
[0012] As a further solution of the present invention: one end of the air inlet pipe is connected to the external refrigerated gas, and the other end of the air inlet pipe is connected to the interior of the freezer, and the exhaust pipe is connected to the freezer through a hose.
[0013] As a further solution of the present invention: the upper surface of the rotating disk is provided with air holes, and the inner surface of the placement disk is provided with through holes corresponding to the air holes.
[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention uses a second motor to rotate the screw, and when it rotates, the movable plate slides outside the screw and the guide rod to move the left side plate of the box away from the right side plate of the box. In this way, the freeze-drying device can be opened to facilitate the removal of seafood from the tray, avoiding frostbite caused by workers reaching into the device.
[0015] 2. The present invention causes the rotating shaft to rotate through the operation of the first motor. When the rotating shaft rotates, the rotating disk installed outside the rotating shaft rotates, and then the seafood in the placement tray on the rotating disk can be rotated, so that the seafood can be better exposed to the freezing gas for freeze-drying, and the placement tray can be easily disassembled to achieve the purpose of taking out the seafood.
[0016] 3. The present invention uses the electric lifting rod to make the lifting plate rise and fall inside the lifting slot, adjust the position of the mounting plate, and make the lower end of the connecting rod on the lower surface of the mounting plate enter the placement tray. In this way, when the rotating shaft rotates, the seafood in the placement tray can be raked by the connecting rod, so that the seafood can be efficiently frozen.
[0017] 4. The present invention allows external refrigerated gas to be introduced into the freezer through the air inlet pipe, and then enters the exhaust pipe through a hose, and is discharged outward through the air outlet opening on the inner side of the exhaust pipe to freeze-dry the seafood. The operation of the third motor causes the connecting shaft to rotate 30 degrees forward and backward during rotation, so that all-round freeze-drying of seafood can be achieved, which is very practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic structural diagram of a freeze-drying device for seafood; Figure 2 This is a schematic diagram of the structure of a rotating disk in a freeze-drying device for seafood; Figure 3 This is a schematic diagram of the structure of a lifting plate in a freeze-drying device for seafood; Figure 4 This is a schematic diagram of the structure of a rotating shaft in a freeze-drying device for seafood; Figure 5 for Figure 4 Enlarged view of part A; Figure 6 This is a schematic diagram of the structure of the bottom plate of a freeze-drying device for seafood; Figure 7 This is a schematic diagram of the structure of a connecting sleeve in a freeze-drying device for seafood.
[0019] In the figure: 1. Box cover; 11. Box bottom plate; 2. Box right side plate; 3. Box left side plate; 31. Connecting plate; 32. Movable plate; 4. Box top plate; 5. First motor; 51. Rotating disk; 52. Placement disk; 521. Positioning pin; 53. Rotating shaft; 6. Electric lifting rod; 61. Lifting plate; 62. Lifting slot; 63. Mounting plate; 64. Connecting rod; 7. Freezer; 71. Air inlet pipe; 72. Exhaust pipe; 721. Air outlet; 73. Hose; 8. Second motor; 81. Screw; 82. Guide rod; 83. Fixing slot; 9. Third motor; 91. Connecting shaft; 92. Connecting sleeve. DETAILED DESCRIPTION
[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] See also Figures 1 to 7 In an embodiment of the present invention, a freeze-drying device for seafood includes a box bottom plate 11, a box cover 1 arranged on the front and rear surfaces of the box bottom plate 11, a box right side plate 2 installed on one side of the box cover 1, a box left side plate 3 arranged on the other side of the box cover 1, and a box top plate 4 installed on one side of the box left side plate 3 and located above the box cover 1. A first motor 5 is installed on the upper surface of the box top plate 4, and a rotating shaft 53 is connected to the driving end of the first motor 5. A rotating disk 51 is sleeved on the outer surface of the rotating shaft 53, and a placement disk 52 is clamped on the upper surface of the rotating disk 51. The left side plate 3 of the box An electric lifting rod 6 is installed on the upper surface, and a lifting groove 62 is opened on one side of the left side plate 3 of the box body. A lifting plate 61 is slidably installed inside the lifting groove 62, and a mounting plate 63 is installed on one side of the lifting plate 61. Connecting rods 64 are symmetrically arranged on the lower surface of the mounting plate 63. This arrangement utilizes the operation of the first motor 5 to rotate the rotating shaft 53, and when it rotates, the position of the seafood in the placement plate 52 on the rotating disk 51 can be adjusted, and when the placement plate 52 rotates, the connecting rod 64 can be used to rake the seafood in the placement plate 52 to avoid accumulation of seafood and affecting freeze-drying.
[0022] A connecting plate 31 is slidably mounted on one side of the left side panel 3 of the box body above the bottom panel 11 of the box body, a third motor 9 is symmetrically mounted on one side of the right side panel 2 of the box body, and a freezer 7 is mounted on one side of the right side panel 2 of the box body behind the third motor 9, an air inlet pipe 71 is provided on one side of the freezer 7, and a hose 73 is connected to the other side of the freezer 7, one end of the hose 73 is connected to an exhaust pipe 72, an air outlet hole 721 is opened on the inner side of the exhaust pipe 72, and a second motor 8 is provided on one side of the right side panel 2 of the box body in front of the third motor 9 A fixing groove 83 is provided on the upper surface of the bottom plate 11 of the box body, and a screw 81 is rotatably installed inside the fixing groove 83. A movable plate 32 is installed at the end surface of the lower surface of the connecting plate 31. This setting utilizes the operation of the second motor 8 to make the screw 81 rotate inside the fixing groove 83. When it rotates, the movable plate 32 moves to adjust the position and move the left side plate 3 of the box body away from the right side plate 2 of the box body. In this way, the device can be opened to facilitate the removal of seafood and prevent the staff from reaching into the device and causing injury.
[0023] exist Figure 2 and Figure 3 Middle: The fixed end of the electric lifting rod 6 is installed on the upper surface of the left side plate 3 of the box body, and the telescopic end of the electric lifting rod 6 is connected to the upper surface of the lifting plate 61. One side of the mounting plate 63 is installed at the end surface of one side of the lifting plate 61. There are at least four connecting rods 64 symmetrically arranged on the lower surface of the mounting plate 63, and the lower end of the connecting rod 64 contacts the inner surface of the placement plate 52. This setting utilizes the operation of the electric lifting rod 6 to make the lifting plate 61 rise and fall inside the lifting groove 62, and when it rises and falls, the lower end of the connecting rod 64 on the lower surface of the mounting plate 63 can enter the placement plate 52. When the rotating disk 51 rotates, the connecting rod 64 can be used to rake the seafood in the placement plate 52 to prevent it from accumulating and affecting freeze-drying.
[0024] exist Figure 4 and Figure 5 Middle: The placement plate 52 is composed of two semicircular plate bodies, and the lower surface of the placement plate 52 is symmetrically provided with positioning pins 521, the upper surface of the rotating plate 51 is provided with fixing holes that are compatible with the positioning pins 521, the upper surface of the rotating plate 51 is provided with air holes, and the inner surface of the placement plate 52 is provided with through holes corresponding to the air holes. This arrangement utilizes the correspondence between the air holes and the through holes to achieve the purpose of freezing seafood by cold air exchange, and the positioning pin 521 is embedded in the fixing hole to achieve the positioning connection of the placement plate 52, and the positioning pin 521 can be locked by a locking nut to ensure its stability.
[0025] exist Figure 6In the middle: the movable plate 32 is threadedly connected to the screw 81 outside the screw 81, the driving end of the second motor 8 is connected to one end of the screw 81, and the other end of the screw 81 is rotatably connected to the bearing arranged inside the fixed groove 83. A guide rod 82 is also provided inside the fixed groove 83 behind the screw 81. The movable plate 32 is slidably installed on the outside of the guide rod 82. This setting utilizes the work of the second motor 8 to make the screw 81 rotate inside the fixed groove 83. When it rotates, since it is threadedly connected to the movable plate 32, the movable plate 32 will move outside the screw 81 and the guide rod 82 inside the fixed groove 83, thereby separating the left side plate 3 of the box body from the right side plate 2 of the box body to achieve the purpose of taking out materials.
[0026] exist Figure 7 Middle: The driving end of the third motor 9 is connected to a connecting shaft 91, and one end of the connecting shaft 91 is connected to a connecting sleeve 92. The connecting sleeve 92 is sleeved on the outside of the exhaust pipe 72, and the exhaust pipe 72 is a "U"-shaped setting. This setting uses the operation of the third motor 9 to make the connecting shaft 91 rotate 30 degrees back and forth, that is, after rotating forward 30 degrees, it returns to the initial position, and after returning to the initial position, the connecting shaft 91 rotates backward 30 degrees. Through reciprocating work, the purpose of all-round freezing of the seafood in the placement plate 52 can be achieved.
[0027] exist Figure 6 Middle: One end of the air inlet pipe 71 is connected to the external refrigerated gas, and the other end of the air inlet pipe 71 passes through the interior of the freezer 7, and the exhaust pipe 72 is connected to the freezer 7 through a hose 73. This arrangement uses the air inlet pipe 71 to allow external refrigerated gas to be passed into the freezer 7, and the hose 73 can be used to allow the gas to be passed into the exhaust pipe 72, and the purpose of exhausting the gas can be achieved by using the air outlet 721 on the inner side of the exhaust pipe 72.
[0028] The working principle of the present invention is as follows: when the freeze-drying device for seafood of the present invention is used, the placing plate 52 is first spliced and installed on the rotating plate 51, and after splicing, the seafood to be freeze-dried can be placed in the placing plate 52, and after placement, the screw 81 is rotated by the operation of the second motor 8, and the movable plate 32 on the lower surface of the connecting plate 31 is guided and moved outside the screw 81 and the guide rod 82 during rotation, and after movement, the left side plate 3 of the box body is moved to the position of the right side plate 2 of the box body, and the box body is formed into a complete sealed box body so that the seafood can be freeze-dried in the box body, and the external refrigerated air is allowed to enter the interior of the freezing box 7 through the air inlet pipe 71, and after entering, the refrigerated air is allowed to enter the exhaust pipe 72 through the hose 73, and finally discharged outwardly through the air outlet 721 to achieve freezing of the seafood in the placing plate 52, and during freezing, the refrigerated air is passed through the air inlet pipe 71 to the exhaust pipe 72. The electric lifting rod 6 can make the lifting plate 61 rise and fall, and make the lower end of the connecting rod 64 on the lower surface of the mounting plate 63 contact the inner surface of the placement tray 52, and by starting the first motor 5, the rotating shaft 53 will rotate. When rotating, the seafood in the placement tray 52 on the rotating disk 51 will rotate, and the seafood can be raked by the connecting rod 64 to avoid its accumulation. At the same time, the third motor 9 will make the connecting shaft 91 rotate 30 degrees back and forth, that is, it will return to the initial position after rotating forward 30 degrees, and after returning to the initial position, the connecting shaft 91 will rotate backward 30 degrees. The reciprocating work can achieve the purpose of all-round freezing of the seafood in the placement tray 52. A vacuum pump is provided at the rear of the box to extract the gas inside it into vacuum, so that the solid soldiers frozen on the seafood under vacuum will sublime into water vapor and be discharged, thereby ensuring the preservation quality of the seafood.
[0029] The electrical components used in the present invention are all existing known electrical equipment, are all connected to an external main controller and an external power supply, and can be directly purchased and used on the market. Their structures, circuits, and control principles are all existing known technologies, and their models are selected according to actual use. Therefore, the structure, circuits, and control principles of the device are not described in detail here.
[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
[0031] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A freeze-drying device for seafood, comprising a box bottom plate (11), a box cover (1) arranged on the front surface and the rear surface of the box bottom plate (11), a box right side plate (2) installed on one side of the box cover (1), a box left side plate (3) arranged on the other side of the box cover (1), and a box top plate (4) installed on one side of the box left side plate (3) and located above the box cover (1), characterized in that: A first motor (5) is installed on the upper surface of the box top plate (4), a driving end of the first motor (5) is connected to a rotating shaft (53), a rotating disk (51) is sleeved on the outside of the rotating shaft (53), a placement disk (52) is clamped on the upper surface of the rotating disk (51), an electric lifting rod (6) is installed on the upper surface of the box left side plate (3), and a lifting groove (62) is opened on one side of the box left side plate (3), a lifting plate (61) is slidably installed inside the lifting groove (62), a mounting plate (63) is installed on one side of the lifting plate (61), and a connecting rod (64) is symmetrically provided on the lower surface of the mounting plate (63); A connecting plate (31) is slidably mounted on one side of the left side plate (3) of the box body above the bottom plate (11) of the box body, a third motor (9) is symmetrically mounted on one side of the right side plate (2) of the box body, and a freezer (7) is mounted on one side of the right side plate (2) of the box body behind the third motor (9), an air inlet pipe (71) is provided on one side of the freezer (7), and a hose (73) is connected to the other side of the freezer (7), one end of the hose (73) is connected to an exhaust pipe (72), an air outlet hole (721) is provided on the inner side of the exhaust pipe (72), a second motor (8) is provided on one side of the right side plate (2) of the box body in front of the third motor (9), a fixing groove (83) is provided on the upper surface of the bottom plate (11), a screw (81) is rotatably mounted inside the fixing groove (83), and a movable plate (32) is mounted at the end surface of the lower surface of the connecting plate (31).
2. A freeze-drying device for seafood according to claim 1, characterized in that: The fixed end of the electric lifting rod (6) is mounted on the upper surface of the left side plate (3) of the box body, and the telescopic end of the electric lifting rod (6) is connected to the upper surface of the lifting plate (61), and one side surface of the mounting plate (63) is mounted at a side end surface position of the lifting plate (61).
3. A freeze-drying device for seafood according to claim 1, characterized in that: At least four connecting rods (64) are symmetrically arranged on the lower surface of the mounting plate (63), and the lower ends of the connecting rods (64) are in contact with the inner surface of the placement plate (52).
4. A freeze-drying device for seafood according to claim 1, characterized in that: The placement plate (52) is composed of two semicircular plate bodies, and positioning pins (521) are symmetrically provided on the lower surface of the placement plate (52), and fixing holes that are mutually adapted to the positioning pins (521) are opened on the upper surface of the rotating plate (51).
5. The freeze-drying device for seafood according to claim 1, characterized in that: The movable plate (32) is threadedly connected to the screw (81) outside the screw (81), the driving end of the second motor (8) is connected to one end of the screw (81), and the other end of the screw (81) is rotatably connected to a bearing provided inside the fixing groove (83).
6. The freeze-drying device for seafood according to claim 1, characterized in that: A guide rod (82) is further provided inside the fixing groove (83) behind the screw rod (81), and the movable plate (32) is slidably mounted on the outside of the guide rod (82).
7. The freeze-drying device for seafood according to claim 1, characterized in that: The driving end of the third motor (9) is connected to a connecting shaft (91), one end of the connecting shaft (91) is connected to a connecting sleeve (92), and the connecting sleeve (92) is sleeved on the outside of the exhaust pipe (72), and the exhaust pipe (72) is arranged in a "U" shape.
8. The freeze-drying device for seafood according to claim 1, characterized in that: One end of the air inlet pipe (71) is connected to the external refrigerated gas, and the other end of the air inlet pipe (71) is connected to the interior of the freezing box (7). The exhaust pipe (72) is connected to the freezing box (7) through a hose (73).
9. The freeze-drying device for seafood according to claim 1, characterized in that: The upper surface of the rotating disk (51) is provided with ventilation holes, and the inner surface of the placement disk (52) is provided with through holes corresponding to the ventilation holes.