Eccentric driving device and unfreezing equipment

Abstract

The utility model belongs to the technical field of unfreezing equipment, and particularly relates to an eccentric driving device and unfreezing equipment. The eccentric driving device is applied to the unfreezing equipment, the unfreezing equipment comprises a shell, a containing cavity is formed in the shell, and the containing cavity is used for containing a fluid medium. The eccentric driving device comprises a shell, a carrier and an eccentric driving module. The shell comprises a containing cavity, a fluid medium is contained through the containing cavity, for example, in an unfreezing scene, the fluid medium can be water flow with a certain temperature; the carrier and the eccentric driving module are arranged in a containing cavity of the shell, the carrier is used for bearing objects, and the objects can be containers and the like; the eccentric driving module is connected with the carrier, and the eccentric driving module can drive the carrier to do circumferential movement in the containing space of the shell in the working process. In the process that the eccentric driving module drives the carrier to rotate, objects borne on the carrier can rotate along with the carrier, and the contact rate of the objects and the fluid in the containing cavity is increased. The researchers expect to unfreeze the articles quickly in the mode.

Description

Technical Field

[0001] This application belongs to the technical field of thawing equipment, and specifically relates to an eccentric drive device and a thawing equipment. Background Art

[0002] In daily life, it is necessary to thaw items. For example, the items can be drinks contained in containers, etc. The existing thawing solutions are natural heat absorption thawing or contacting with a fluid at a certain temperature to complete the thawing process. When the frozen item contacts the fluid at a certain temperature, the frozen item and the fluid are in a relatively static state. Therefore, the thawing efficiency of the frozen item is relatively low. Summary of the Utility Model

[0003] An object of the invention of this application is to provide an eccentric drive device that drives a carrier to rotate through an eccentric drive module, so as to accelerate the contact speed between the items carried on the carrier and the fluid medium accommodated in the housing.

[0004] Another object of the invention of this application is to provide a thawing equipment including the above-mentioned eccentric drive device, so as to accelerate the thawing rate of the items.

[0005] According to an embodiment of the present application, in the first aspect, there is provided an eccentric drive device applied to a thawing equipment. The thawing equipment includes a housing, and an accommodation cavity is formed in the housing for accommodating a fluid medium. The eccentric drive device includes:

[0006] A carrier disposed in the accommodation cavity and capable of carrying items;

[0007] An eccentric drive module disposed in the accommodation cavity and connected to the carrier. The eccentric drive module can control the circumferential movement of the carrier in the accommodation cavity. When the carrier moves, the items carried in the carrier are in convective contact with the fluid medium accommodated in the accommodation cavity.

[0008] In an embodiment, the eccentric drive module includes a driving element, a transmission component, and a main eccentric shaft. The driving element is connected to the transmission component. One end of the main eccentric shaft is connected to the transmission component, and the eccentric end of the main eccentric shaft is rotatably connected to the carrier. When the driving element rotates, it drives the main eccentric shaft to rotate through the transmission component. When the main eccentric shaft rotates, it controls the circumferential movement of the carrier in the accommodation cavity.

[0009] In one embodiment, the transmission assembly includes a first synchronous pulley, a synchronous belt, and a second synchronous pulley. The first synchronous pulley is disposed at the output end of the driving element, the second synchronous pulley is disposed on the main eccentric shaft and at an end opposite to the eccentric end of the main eccentric shaft, and the synchronous belt connects the first synchronous pulley and the second synchronous pulley.

[0010] In one embodiment, an installation structure is provided at the edge of one side of the carrier facing the main eccentric shaft. A main mounting seat is provided at the edge of the installation structure, and the main mounting seat is located on the upper side of the carrier. The main mounting seat is rotatably connected to the eccentric end of the main eccentric shaft and is driven by the main eccentric shaft to move, and the opening of the installation structure corresponds to the main eccentric shaft.

[0011] In one embodiment, the carrier is plate-shaped, and a recessed area is provided at each vertex angle of the carrier. A secondary mounting seat is provided at the edge of each recessed area;

[0012] The eccentric drive device further includes a secondary eccentric shaft. One end of the secondary eccentric shaft is rotatably connected to the bottom side of the accommodation cavity of the housing. The eccentric ends of the secondary eccentric shafts are respectively connected to each secondary mounting seat and respectively drive the secondary mounting seats to move. The eccentric distance of the secondary eccentric shaft is the same as the eccentric distance of the main eccentric shaft.

[0013] In one embodiment, the carrier is rectangular, the number of recessed areas provided on the carrier is multiple, and the number of secondary mounting seats and the number of secondary eccentric shafts are the same as the number of recessed areas.

[0014] In one embodiment, a main bearing seat is provided at the main eccentric shaft, and a secondary bearing seat is provided at each secondary eccentric shaft. An oil seal layer is further provided between the bearing chamber of the main bearing seat and the main eccentric shaft, and the oil seal layer is also provided between the bearing chamber of the secondary bearing seat and the eccentric shaft.

[0015] In one embodiment, the accommodation cavity includes an independent first accommodation cavity and a second accommodation cavity. The driving element is located in the first accommodation cavity, and the carrier is located in the second accommodation cavity;

[0016] In one embodiment, the carrier is provided with a plurality of accommodation grooves, and each accommodation groove can accommodate the articles one by one.

[0017] According to an embodiment of the present application, a thawing device is provided in a second aspect. The thawing device includes the eccentric drive device described above. The thawing device further includes the housing. When the eccentric drive device moves, the carrier of the eccentric drive device can contact the fluid in the accommodation cavity of the housing.

[0018] In the eccentric drive device of the present application, a fluid medium can be accommodated in the accommodation cavity of the housing. The carrier is driven by the eccentric drive module to perform a circumferential movement during the movement in the accommodation cavity, so that the articles carried in the carrier can be in contact with the fluid medium. Since the articles carried in the carrier perform a circumferential movement in the accommodation cavity, compared with the static contact method, the contact rate between the articles on the carrier and the fluid medium is increased. When the eccentric drive device is applied to a thawing device, the articles on the carrier can be thawed faster by increasing the contact rate between the articles on the carrier and the fluid medium. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic cross-sectional view of an eccentric drive device in an embodiment of the present application;

[0020] Figure 2 is Figure 1 a partial enlarged schematic view of part A in;

[0021] Figure 3 is a schematic structural view of a carrier in an embodiment of the present application;

[0022] Figure 4 is a schematic cross-sectional view of an eccentric drive device in another embodiment of the present application;

[0023] Figure 5 is a top view of the eccentric drive device in an embodiment of the present application.

[0024] Description of the reference numerals in the drawings:

[0025] 100, housing; 110, accommodation cavity; 111, first accommodation cavity; 112, second accommodation cavity;

[0026] 200, carrier; 210, mounting structure; 220, main mounting seat; 230, recessed area; 240, sub-mounting seat; 250, main bearing seat; 260, sub-bearing seat; 270, accommodation groove;

[0027] 300, eccentric drive module; 310, drive element; 320, transmission assembly; 321, first synchronous pulley; 322, synchronous belt; 323, second synchronous pulley; 330, main eccentric shaft; 340, sub-eccentric shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] In order to make the objectives, technical solutions and advantages of the present application clearer and more understandable, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0029] It should be noted that the drawings provided in this embodiment only illustrate the basic concept of the present invention in a schematic manner.

[0030] The structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the implementation conditions of the present utility model. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present utility model.

[0031] The orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "middle", "longitudinal", "transverse", "horizontal", "inner", "outer", "radial", "circumferential", etc. cited in this specification is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0032] As described in the background, in daily life, it is necessary to thaw items. For example, the item can be a drink contained in a container, etc. The existing thawing solutions are natural heat absorption thawing or contacting with a fluid at a certain temperature to complete the thawing process. When the frozen item contacts the fluid at a certain temperature, the frozen item and the fluid are in a relatively static state. Therefore, this makes the thawing efficiency of the frozen item relatively low. To better solve this problem, researchers have proposed an eccentric drive device. Its principle is that through the eccentric drive module, the carrier is driven to rotate relative to the receiving cavity of the housing, so that the item carried on the carrier can quickly and effectively contact the fluid medium in the receiving cavity of the housing, thereby accelerating the rapid thawing of the item carried on the carrier. It should be noted that the eccentric drive device proposed in this application is not limited to solving problems related to thawing, but also applicable to technical fields such as dissolution, stirring, or mixing.

[0033] As Figure 1 shown, Figure 1Schematic cross-sectional view of an eccentric drive device in an embodiment of the present application. The eccentric drive device includes: a carrier 200 and an eccentric drive module 300. When the eccentric drive device is applied to a thawing scenario, the thawing device includes a housing 100, and the eccentric drive device can be installed in the housing 100. The housing 100 includes a receiving cavity 110 for receiving a fluid medium. For example, in a thawing scenario, the fluid medium can be a water flow with a certain temperature; the carrier 200 and the eccentric drive module 300 are disposed in the receiving cavity 110 of the housing 100. The carrier 200 is used to carry an item, where the item can be a container, etc.; the eccentric drive module 300 is connected to the carrier 200, and the eccentric drive module 300 can drive the carrier 200 to move circumferentially within the receiving cavity 110 of the housing 100 during operation. During the process of the eccentric drive module 300 driving the carrier 200 to move, the item carried on the carrier 200 can move with the carrier 200 and come into contact with the fluid in the receiving cavity 110 multiple times. The researchers intend to achieve rapid thawing of the item in this way.

[0034] Specifically, the eccentric drive device is applied to a thawing device. The thawing device includes a housing 100 with a receiving cavity 110 formed therein for receiving a fluid medium. The eccentric drive device includes: a carrier 200 disposed in the receiving cavity 110, where the carrier 200 can carry an item; an eccentric drive module 300 disposed in the receiving cavity 110 and connected to the carrier 200. The eccentric drive module 300 can drive the carrier 200 to move circumferentially within the receiving cavity 110. When the carrier 200 moves, the item carried in the carrier 200 comes into convective contact with the fluid medium received in the receiving cavity 110.

[0035] In this embodiment, the researchers took the thawing scenario as an example. The item to be thawed was pre-placed on the carrier 200, and a fluid medium at a certain temperature was injected into the receiving cavity 110 of the housing 100. For example, it could be a water flow at a certain temperature. The eccentric drive module 300 was activated. When the eccentric drive module 300 was working, it controlled the carrier 200 to perform a circumferential movement within the receiving cavity 110, thereby increasing the contact rate between the item on the carrier 200 and the fluid medium in the receiving cavity 110. Through multiple contacts between the item on the carrier 200 and the fluid medium, the thawing process of the item was accelerated. The principle was that during the thawing process, the efficiency and uniformity of heat exchange between the rotating item and the fluid medium were improved, so the item could be thawed quickly. In addition, when the eccentric drive module 300 controlled the movement of the carrier 200, the eccentric drive module 300 had a rotation center and an offset center. The rotation of the rotation center drove the rotation of the offset center, and the distance between the offset center and the rotation center determined the rotation amplitude of the carrier 200. When controlling the rotation of the carrier 200, the researchers optimized and determined the relative distance between the offset center and the rotation center according to the actual size of the receiving cavity 110 in the housing 100, so that the carrier 200 would not interfere with or collide with the inner wall of the receiving cavity 110 during rotation.

[0036] In one embodiment, referring to Figure 1 and Figure 2 As shown, the eccentric drive module 300 includes a drive element 310, a transmission assembly 320, and a main eccentric shaft 330. The drive element 310 is connected to the transmission assembly 320. One end of the main eccentric shaft 330 is connected to the transmission assembly 320, and the eccentric end of the main eccentric shaft 330 is rotatably connected to the carrier 200. When the drive element 310 rotates, it drives the main eccentric shaft 330 to rotate through the transmission assembly 320. When the main eccentric shaft 330 rotates, it controls the carrier 200 to perform a circumferential movement within the receiving cavity 110.

[0037] In this embodiment, the researchers drove the transmission assembly 320 to rotate through the drive element 310, and transmitted the torque to the main eccentric shaft 330 through the transmission assembly 320, thereby realizing the rotational movement of the main eccentric shaft 330. One end of the main eccentric shaft 330 is connected to the transmission assembly 320, and the eccentric end of the main eccentric shaft 330 is rotatably connected to the carrier 200. That is, the main eccentric shaft 330 has two rotation centers. One rotation center is realized by the transmission assembly 320 transmitting to the main eccentric shaft 330, and the other rotation center is located at the eccentric end of the main eccentric shaft 330. The two rotation centers are parallel and in the vertical direction. In this embodiment, the researchers realized the circumferential movement of the carrier 200 in the receiving cavity 110 through the main eccentric shaft 330, so that the item on the carrier 200 came into contact with the fluid in the receiving cavity 110 multiple times.

[0038] Furthermore, in one embodiment, referring toFigure 2 As shown, the transmission assembly 320 includes a first synchronous pulley 321, a synchronous belt 322, and a second synchronous pulley 323. The first synchronous pulley 321 is disposed at the output end of the driving element 310, the second synchronous pulley 323 is disposed on the main eccentric shaft 330 and at an end opposite to the eccentric end of the main eccentric shaft 330, and the synchronous belt 322 connects the first synchronous pulley 321 and the second synchronous pulley 323.

[0039] In this embodiment, the researchers connected the first synchronous pulley 321 to the output end of the driving element 310, and the second synchronous pulley 323 to the main eccentric shaft 330. Through the synchronous belt 322, the torque transmission from the driving element 310 to the main eccentric shaft 330 was ensured to be highly consistent in terms of time and rotation angle, so that the circumferential movement of the carrier 200 could be precisely controlled.

[0040] In one embodiment, referring to Figure 1 and Figure 3 As shown, an installation structure 210 is provided at the edge of the side of the carrier 200 facing the main eccentric shaft 330. The installation structure 210 can be a groove. A main mounting seat 220 is provided at the edge of the installation structure 210, and the main mounting seat 220 is located on the upper side of the carrier 200. The main mounting seat 220 is rotatably connected to the eccentric end of the main eccentric shaft 330 and is driven by the main eccentric shaft to move. The opening of the installation structure 210 corresponds to the main eccentric shaft 330.

[0041] In this embodiment, the researchers considered that when the carrier 200 rotates around the eccentric end of the main eccentric shaft 330, there may be a position interference between the side of the carrier 200 facing the main eccentric shaft 330 and the eccentric end of the main eccentric shaft 330. Therefore, the researchers provided an installation structure 210 at the edge of the side of the carrier 200 facing the main eccentric shaft 330 to reduce the risk of position interference between the carrier 200 and the main eccentric shaft 330 during rotation. At the same time, in this embodiment, a main mounting seat 220 is provided at the edge of the installation structure 210 of the main mounting seat 220, and the rotational connection between the main eccentric shaft 330 and the carrier 200 is realized through the main mounting seat 220.

[0042] Furthermore, in one embodiment, referring to Figure 1 and Figure 3As shown, the carrier 200 is plate-shaped, and a recessed area 230 is provided at each vertex angle of the carrier 200. The recessed area 230 can be an arc-shaped recessed structure, and a secondary mounting seat 240 is provided at the edge of each recessed area 230; the eccentric drive device further includes a secondary eccentric shaft 340. One end of the secondary eccentric shaft 340 is rotatably connected to the bottom side of the receiving cavity 110 of the housing 100. The eccentric ends of the secondary eccentric shaft 340 are respectively connected to each secondary mounting seat 240 and drive the secondary mounting seat 240 to move respectively, wherein the eccentric distance of the secondary eccentric shaft 340 is the same as the eccentric distance of the main eccentric shaft 330.

[0043] In this embodiment, the researchers considered that it is necessary to ensure the circumferential operation of the carrier 200 during the rotation process of the carrier 200. When items are placed on the carrier 200, the distributed mass on the carrier 200 is different, which affects the rotation stability of the carrier 200. In addition, it is difficult to control the synchronization of the movement of the carrier 200 with a single eccentric shaft on the carrier 200. To better solve this problem, the researchers set the carrier 200 to be plate-shaped, and a recessed area 230 is provided at each vertex angle of the carrier 200. A secondary mounting seat 240 is provided at the edge of each recessed area 230, and the secondary mounting seat 240 is connected to the bottom side of the receiving cavity 110 of the housing 100 through the secondary eccentric shaft 340. That is, the carrier 200 is supported by the secondary eccentric shaft 340, so that the force on the carrier 200 is more uniform and stable. In addition, the eccentric distance of the secondary eccentric shaft 340 is the same as the eccentric distance of the main eccentric shaft 330, and the purpose is to ensure the synchronization of the carrier 200 during the rotation process; and a recessed area 230 is provided at each vertex angle of the carrier 200, and the purpose is to reduce the problem of position interference between the carrier 200 itself and the secondary eccentric shaft 340.

[0044] Further, in an embodiment, the carrier 200 is rectangular, and the number of the recessed areas 230 provided on the carrier 200 is multiple. For example, the number of the recessed areas 230 is 4, and the number of the secondary mounting seats 240 and the number of the secondary eccentric shafts 340 are the same as the number of the recessed areas 230.

[0045] In this embodiment, the carrier 200 is designed to be rectangular because the rectangular structure can disperse the force application points when bearing eccentric loads, thereby reducing the torque generated during the eccentric rotation process and maintaining the balance state of the carrier 200. In addition, compared with a circular or other irregular shapes, the rectangular carrier 200 can make more effective use of space under the same area condition.

[0046] In an embodiment, refer to Figure 2 and Figure 4As shown, a main bearing seat 250 is provided at the main eccentric shaft 330, and a secondary bearing seat 260 is provided at each secondary eccentric shaft 340. An oil seal layer is also provided between the bearing chamber of the main bearing seat 250 and the main eccentric shaft 330, and an oil seal layer is also provided between the bearing chamber of the secondary bearing seat 260 and the eccentric shaft.

[0047] In this embodiment, the main bearing seat 250 provided at the main eccentric shaft 330 can protect the main body of the main eccentric shaft 330 to reduce the contact between the main eccentric shaft 330 and the fluid medium. Similarly, the secondary bearing seat 260 provided at the secondary eccentric shaft 340 can protect the main body of the secondary eccentric shaft 340 to reduce the contact between the secondary eccentric shaft 340 and the fluid medium. In addition, by providing the oil seal layer, the leakage of the lubricating oil in the bearing chamber is prevented and the fluid medium in the receiving cavity 110 is polluted.

[0048] In one embodiment, referring to Figure 4 As shown, the receiving cavity 110 includes an independent first receiving cavity 111 and a second receiving cavity 112. The driving element 310 is located in the first receiving cavity 111, and the carrier 200 is located in the second receiving cavity 112.

[0049] In this embodiment, the researchers designed the receiving cavity 110 as the first receiving cavity 111 and the second receiving cavity 112. The driving element 310 can be received through the first receiving cavity 111, and the carrier 200 can be received through the second receiving cavity 112, so that the driving element 310 and the carrier 200 can be separated. Since the carrier 200 needs to contact the fluid medium, the driving element 310 and the carrier 200 need to be separated and arranged to reduce the influence of the fluid medium on the performance of the driving element 310.

[0050] In one embodiment, referring to Figure 5 As shown, the carrier 200 is provided with a plurality of receiving grooves 270, and each receiving groove 270 can receive an article in a one-to-one correspondence.

[0051] In this embodiment, the researchers provided the receiving grooves 270 on the carrier 200. On the one hand, the articles can be limited by the receiving grooves 270 to reduce the risk of the articles moving out of the carrier 200 during the rotation of the carrier 200. On the other hand, by providing the receiving grooves 270, the direct contact between the articles and the fluid medium can also be isolated, reducing the risk of the fluid medium contaminating the articles when they are in direct contact.

[0052] This application also proposes a thawing device. The thawing device includes the above-mentioned eccentric driving device. The thawing device further includes a housing 100. When the eccentric driving device moves, the carrier 200 of the eccentric driving device can contact the fluid in the receiving cavity 110 of the housing 100.

[0053] The thawing device includes the above eccentric drive device. Introducing the above eccentric drive device into the thawing device can improve the thawing efficiency.

[0054] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0055] The above embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation to the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several deformations and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. An eccentric drive device, applied to a thawing device, the thawing device comprising a housing (100), a receiving cavity (110) formed in the housing (100), the receiving cavity (110) being used to receive a fluid medium, characterized in that: The eccentric drive device comprises: A carrier (200), the carrier (200) being arranged in the receiving cavity (110), and the carrier (200) being capable of carrying an article; An eccentric driving module (300) is disposed in the receiving cavity (110) and connected to the carrier (200). The eccentric driving module (300) can control the carrier (200) to move circumferentially in the receiving cavity (110). When the carrier (200) moves, the article carried in the carrier (200) is brought into convective contact with the fluid medium contained in the receiving cavity (110).

2. The eccentric drive device according to claim 1, characterized in that: The eccentric drive module (300) comprises a drive element (310), a transmission assembly (320) and a main eccentric shaft (330); the drive element (310) is connected to the transmission assembly (320); one end of the main eccentric shaft (330) is connected to the transmission assembly (320); the eccentric end of the main eccentric shaft (330) is rotatably connected to the carrier (200); when the drive element (310) rotates, the main eccentric shaft (330) is driven to rotate via the transmission assembly (320); when the main eccentric shaft (330) rotates, the carrier (200) is controlled to move circumferentially in the receiving cavity (110).

3. The eccentric drive device according to claim 2, characterized in that: The transmission assembly (320) comprises a first synchronous wheel (321), a synchronous belt (322) and a second synchronous wheel (323); the first synchronous wheel (321) is arranged at the output end of the driving element (310); the second synchronous wheel (323) is arranged on the main eccentric shaft (330) and is located at an end opposite to the eccentric end of the main eccentric shaft (330); the synchronous belt (322) connects the first synchronous wheel (321) and the second synchronous wheel (323).

4. The eccentric drive device according to claim 2, characterized in that: A mounting structure (210) is provided on the edge of the carrier (200) on one side facing the main eccentric shaft (330), a main mounting seat (220) is provided on the edge of the mounting structure (210), and the main mounting seat (220) is located on the upper side of the carrier (200), the main mounting seat (220) is rotatably connected to the eccentric end of the main eccentric shaft (330) and is driven to move by the main eccentric shaft (330), and an opening of the mounting structure (210) corresponds to the main eccentric shaft (330).

5. The eccentric drive device according to claim 4, characterized in that: The carrier (200) is plate-shaped, each vertex of the carrier (200) is provided with a recessed area (230), and the edge of each recessed area (230) is provided with a secondary mounting seat (240); The eccentric drive device also includes a secondary eccentric shaft (340), one end of which is rotatably connected to the bottom side of the accommodating cavity (110) of the shell (100), the eccentric end of the secondary eccentric shaft (340) is connected to each of the secondary mounting seats (240) one by one and drives the secondary mounting seats (240) to move one by one, and the eccentric distance of the secondary eccentric shaft (340) is the same as the eccentric distance of the main eccentric shaft (330).

6. The eccentric drive device according to claim 5, characterized in that: The carrier (200) is rectangular, the carrier (200) is provided with a plurality of recessed areas (230), and the number of the auxiliary mounting seats (240) and the number of the auxiliary eccentric shafts (340) are the same as the number of the recessed areas (230).

7. The eccentric drive device according to claim 5, characterized in that: A main bearing seat (250) is arranged at the main eccentric shaft (330), and a secondary bearing seat (260) is arranged at each secondary eccentric shaft (340). An oil seal layer is also arranged between the bearing chamber of the main bearing seat (250) and the main eccentric shaft (330), and an oil seal layer is also arranged between the bearing chamber of the secondary bearing seat (260) and the eccentric shaft.

8. The eccentric drive device according to claim 2, characterized in that: The receiving chamber (110) comprises an independent first receiving chamber (111) and a second receiving chamber (112); the driving element (310) is located in the first receiving chamber (111), and the carrier (200) is located in the second receiving chamber (112).

9. The eccentric drive device according to claim 1, characterized in that: The carrier (200) is provided with a plurality of receiving slots (270), and each of the receiving slots (270) can receive the articles in a one-to-one correspondence.

10. A thawing device, characterized in that: The thawing device comprises the eccentric drive device as described in any one of claims 1 to 9, and the thawing device also comprises the shell (100). When the eccentric drive device moves, the carrier (200) of the eccentric drive device can contact the fluid in the receiving chamber (110) of the shell (100).

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