Embedding freezing device

Abstract

The invention belongs to the technical field of embedding machines, and particularly relates to an embedding and freezing device which comprises a shell; the refrigeration part is fixedly connected to the interior of the shell; the refrigerating part comprises a refrigerating bin and a circulating assembly; one end of the circulating assembly is inserted into the refrigerating bin; a channel is arranged in the refrigeration bin; the lifting unit comprises a lifting plate, a lifting piston and a lifter which are arranged along an axis; one end of the lifter is fixedly connected to the interior of the shell; the lifter drives the lifting plate and the lifting piston to move along the channel; the cleaning part is fixedly connected to the interior of the shell and abuts against the refrigeration bin; the cleaning part comprises a cleaning bin; the cleaning bin is provided with a working opening. The lifting piston is slidably connected with the working opening. The lifting unit has a contraction state and an extension state; when the lifting unit is in a contraction state, the lifting piston enters the cleaning bin through the working opening; when the lifting unit is in the stretching state, the lifting piston enters the channel and abuts against the inner wall of the channel.

Description

Technical Field

[0001] The invention belongs to the technical field of embedding machines, and in particular relates to an embedding freezing device. Background Art

[0002] Embedding machine, also known as biological tissue embedding machine or paraffin embedding machine, is a medical device that embeds human or animal and plant specimens after dehydration and wax immersion for histological diagnosis or research after slicing. The principle is to place biological tissue blocks in melted paraffin, fix them with paraffin, and then use a slicer to cut the tissue into thin slices for research. It is suitable for use in medical schools, hospital pathology departments, medical research units, animal and plant research units, and food testing departments. Paraffin embedding machines generally include two devices: an embedding machine and a freezing table.

[0003] Since biological samples have different tissue components, their properties are also different, such as hardness, looseness, density, area size, etc. It is almost impossible to cut them into thin slices of more than ten microns or even several microns under natural conditions. Embedding is to immerse some special supporting substances into the tissue block, and use the physical properties of the supporting substances, such as the transformation from liquid to solid, to make the entire tissue have a uniform solid structure and sufficient hardness, so as to facilitate the use of a slicer to take extremely thin slices. Using paraffin as an embedding agent and placing the wax-soaked tissue block in paraffin to make a wax block is the most commonly used embedding method in histological sectioning technology. First, inject the molten paraffin into the embedding mold, and then use tweezers to take the wax-soaked tissue block from the dehydration box and put it in the center of the embedding mold. Use tweezers to gently press the tissue block to make the tissue block flat, then add paraffin to the embedding mold and move it to the freezing table. After freezing, take out the tissue wax block from the embedding mold for cutting.

[0004] The freezing table currently used has a freezing platform that can achieve a freezing effect. When the embedding mold is placed on the freezing platform, the freezing platform first lowers the temperature of the bottom of the embedding mold, and then gradually lowers the temperature of the embedding mold from bottom to top. As a result, it takes a long time for the tissue wax block to completely solidify and then demold, which is time-consuming. Summary of the invention

[0005] In view of the above problems, the present application discloses an embedding freezing device.

[0006] An embedding and freezing device, comprising:

[0007] shell;

[0008] A refrigeration unit is fixedly connected to the interior of the housing; the refrigeration unit includes a refrigeration chamber and a circulation component; one end of the circulation component is inserted into the interior of the refrigeration chamber; a passage is provided inside the refrigeration chamber;

[0009] The lifting unit comprises a lifting plate, a lifting piston and a lifter arranged along an axis; one end of the lifter is fixedly connected to the inside of the housing; the lifter drives the lifting plate and the lifting piston to move along the channel;

[0010] The cleaning part is fixedly connected to the inside of the shell and abuts against the refrigeration chamber; the cleaning part includes a cleaning chamber; the cleaning chamber has a working port; the lifting piston is slidably connected to the working port;

[0011] The lifting unit has a retracted state and an extended state; when the lifting unit is in the retracted state, the lifting piston enters the cleaning chamber through the working port; when the lifting unit is in the extended state, the lifting piston enters the interior of the channel and abuts against the inner wall of the channel.

[0012] Furthermore, the cleaning part also includes a stirrer and a stirring motor; one end of the stirrer is inserted into the interior of the cleaning chamber, and the other end is connected to the stirring motor.

[0013] Preferably, the cleaning part also includes a transmission assembly; the transmission assembly includes a primary transmission and a secondary transmission; the agitator includes a first stirring structure, a second stirring structure and a third stirring structure; the first stirring structure is connected to a stirring motor at one end away from the cleaning bin; the second stirring structure is connected to the first stirring structure at one end away from the cleaning bin through the primary transmission; the third stirring structure is connected to the second stirring structure at one end away from the cleaning bin through the secondary transmission.

[0014] Furthermore, the primary transmission device includes a first longitudinal transmission structure and a first transverse transmission structure; the first longitudinal transmission structure and the first transverse transmission structure are cross-arranged; and the first stirring structure is located at the intersection of the first longitudinal transmission structure and the first transverse transmission structure.

[0015] Furthermore, the secondary transmission includes a second longitudinal transmission structure and a second transverse transmission structure; the second longitudinal transmission structure and the second transverse transmission structure are cross-arranged.

[0016] Furthermore, the cleaning part also includes a liquid inlet pipe, a liquid discharge pipe and a storage bin; one end of the liquid inlet pipe is connected to the cleaning bin, and the other end is connected to the storage bin; one end of the liquid discharge pipe is connected to the storage bin, and the other end extends out of the shell.

[0017] Furthermore, the circulation component includes a circulation pipe, an evaporator, a heat dissipation pipe, a condenser and a compressor; one end of the circulation pipe is connected to the evaporator, and the other end is connected to the compressor after passing through the refrigeration compartment; the end of the evaporator away from the circulation pipe is connected to the heat dissipation pipe; one end of the condenser is connected to the evaporator through the heat dissipation pipe, and the other end is connected to the end of the compressor away from the circulation pipe.

[0018] Preferably, the circulation component also includes a control valve; the control valve is connected in series to the circulation pipe.

[0019] Furthermore, the lifting unit also includes a sealing cover; one end of the sealing cover is rotatably connected to the shell, and the other end is hinged to the lifting plate.

[0020] Preferably, a lifting arm is fixedly connected to the sealing cover; one end of the lifting plate away from the lifting piston is fixedly connected to a sliding bracket; and one end of the lifting arm away from the sealing cover is slidably connected to the sliding bracket.

[0021] Furthermore, it also includes a power supply; the power supply is connected to the refrigeration part, the lifting unit, and the cleaning part through wires.

[0022] Furthermore, it also includes a control component; the control component is fixedly connected to the side wall of the shell; the control component is connected to the refrigeration part, the lifting unit, and the cleaning part through wires.

[0023] Furthermore, the control component includes a display, buttons and a controller; the display and buttons are arranged on the outer wall of the shell; the controller is arranged inside the shell; and the controller is connected to the display and buttons through wires.

[0024] Beneficial effects of the present invention:

[0025] The lifting unit has a retracted state and an extended state. When the lifting unit is in the extended state, the lifting unit passes through the channel and extends out of the shell, so that the embedding mold with the tissue sample and the wax liquid can be placed on the lifting plate. When the lifting unit is in the retracted state, the lifting unit is completely retracted inside the shell, so that the embedding mold with the tissue sample and the wax liquid is inside the channel, and the refrigeration chamber evenly reduces the temperature of the embedding mold from the surrounding area, thereby shortening the time required for the wax liquid to solidify.

[0026] When the lifting unit switches between the retracted state and the extended state, the lifting piston abuts against and rubs the inner wall of the channel to scrub the inner wall of the channel and prevent stains from adhering to the inner wall of the channel. When the lifting unit is in the retracted state, the lifting piston enters the interior of the cleaning chamber, so that the lifting piston is immersed in the cleaning liquid, and the stains wiped off by the lifting piston are dissolved in the cleaning agent to clean the lifting piston. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A three-dimensional diagram of an embedding freezing device implementing the present invention;

[0028] Figure 2 A front view of an embedding freezing device implementing the present invention;

[0029] Figure 3 for Figure 2AA section view;

[0030] Figure 4 for Figure 2 BB section view;

[0031] Figure 5 A side view of an embedding freezing device implementing the present invention;

[0032] Figure 6 for Figure 5 CC section view;

[0033] Figure 7 for Figure 5 DD section view;

[0034] Figure 8 A three-dimensional diagram of a lifting unit for implementing the present invention;

[0035] Fig. 9 A front view of a circulation assembly implementing the present invention;

[0036] Fig.10 A front view of a transmission assembly implementing the present invention;

[0037] Fig.11 A three-dimensional diagram of a transmission assembly for implementing the present invention;

[0038] In the figure, 1, housing; 2, control assembly; 3, lifting unit; 4, power supply; 5, refrigeration unit; 6, cleaning unit; 11, first cavity; 12, second cavity; 13, heat dissipation hole; 21, display; 22, button; 23, controller; 31, sealing cover; 311, lifting arm; 32, lifting plate; 321, sliding bracket; 33, lifting piston; 34, lifting motor; 35, first sealing structure; 51, refrigeration bin; 52, circulation pipe; 53, control valve; 54, evaporator; 55 , heat pipe; 56, condenser; 57, compressor; 58, cooling fan; 61, cleaning bin; 62, agitator; 63, liquid inlet pipe; 64, liquid discharge pipe; 65, storage bin; 66, transmission assembly; 67, stirring motor; 621, first stirring structure; 622, second stirring structure; 623, third stirring structure; 651, bin door; 661, first longitudinal transmission structure; 662, first transverse transmission structure; 663, second transverse transmission structure; 664, second longitudinal transmission structure. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0040] In this document, “exemplary” means “serving as an example, instance or illustration”, and any diagram or implementation described in this document as “exemplary” should not be interpreted as a more preferred or more advantageous technical solution.

[0041] In order to simplify the drawings, only the parts related to the present application are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked.

[0042] In this document, it is necessary to understand that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0043] In this document, unless otherwise clearly specified and limited, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance; the terms "connected" and "fixed" should be understood in a broad sense, for example, "connected" can be a fixed connection, a detachable connection, an integral connection, or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0044] like Figure 1-11The embedded freezing device shown in the figure includes a shell 1, a refrigeration part 5, a lifting unit 3 and a cleaning part 6. The shell 1 is divided into a first cavity 11 and a second cavity 12 which are perpendicular to each other; the first cavity 11 and the second cavity 12 are connected to each other. The refrigeration part 5 is fixedly connected to the inside of the second cavity 12; the refrigeration part 5 includes a refrigeration chamber 51 and a circulation component; one end of the circulation component is inserted into the inside of the refrigeration chamber 51; a passage is provided inside the refrigeration chamber 51; the cleaning part 6 is fixedly connected to the inside of the second cavity 12 and abuts against the refrigeration chamber 51; the cleaning part 6 includes a cleaning chamber 61; the cleaning chamber 61 has a working port; the lifting piston 33 is slidably connected to the working port; the lifting unit 3 includes a lifting plate 32, a lifting piston 33 and a lifter arranged along an axis; one end of the lifter is fixedly connected to the inside of the shell 1; the lifter drives the lifting plate 32 and the lifting piston 33 to move along the channel.

[0045] It also includes a power supply 4; the power supply 4 is connected to the refrigeration unit 5, the lifting unit 3, and the cleaning unit 6 through wires.

[0046] The lifting unit 3 has a retracted state and an extended state; when the lifting unit 3 is in the extended state, the lifting unit 3 passes through the passage and extends out of the housing 1, so that the embedding mold with the tissue sample and the wax liquid is placed on the lifting plate 32; when the lifting unit 3 is in the retracted state, the lifting unit 3 is completely retracted inside the housing 1, so that the embedding mold with the tissue sample and the wax liquid is inside the passage, and the refrigeration chamber 51 evenly reduces the temperature of the embedding mold from the surroundings, shortening the time required for the wax liquid to solidify;

[0047] When the lifting unit 3 switches between the retracted state and the extended state, the lifting piston 33 abuts against and rubs the inner wall of the channel to scrub the inner wall of the channel and prevent stains from adhering to the inner wall of the channel. When the lifting unit 3 is in the retracted state, the lifting piston 33 enters the cleaning chamber 61 through the working port, so that the lifting piston 33 is immersed in the cleaning liquid, and the stains wiped off by the lifting piston 33 are dissolved in the cleaning agent, thereby cleaning the lifting piston 33.

[0048] When the lifting piston 33 enters the cleaning chamber 61, the top of the lifting piston 33 blocks the working port to prevent the cleaning agent from overflowing through the working port during the cleaning process.

[0049] like Figure 1-3 As shown, four lifting units 3 are provided, and the four lifting units 3 can work independently. When in use, embedding molds with different samples are placed inside each lifting unit 3, and different freezing times are set in sequence. The four lifting units 3 can perform freezing operations on multiple samples at the same time, and stop working in sequence according to the set time.

[0050] like Figure 1-3As shown, the control assembly 2 is also included; the control assembly 2 is fixedly connected to the side wall of the first cavity 11; the control assembly 2 is connected to the refrigeration part 5, the lifting unit 3, and the cleaning part 6 through wires. The control assembly 2 can control the temperature of the refrigeration part 5, switch the state of the lifting unit 3, and control the volume of the cleaning liquid inside the cleaning part 6.

[0051] Specifically, the control component 2 includes a display 21, a button 22 and a controller 23; the display 21 and the button 22 are arranged on the outer wall of the housing 1; the controller 23 is arranged inside the housing 1; the controller 23 is connected to the display 21 and the button 22 through wires.

[0052] like Figure 4 As shown, a first anti-slip structure is provided on the outer wall of the lifting motor 34 , the purpose of which is to prevent the cleaning liquid inside the cleaning chamber 61 from flowing out through the gap between the lifting motor 34 and the cleaning chamber 61 .

[0053] like Figure 4 , 10 -11, the cleaning portion 6 also includes an agitator 62 and a stirring motor 67; one end of the agitator 62 is inserted into the interior of the cleaning chamber 61, and the other end is connected to the stirring motor 67; the stirring motor 67 drives the agitator 62 to rotate, driving the cleaning liquid inside the cleaning chamber 61 to flow, so that the cleaning liquid continuously flushes the lifting piston 33 to quickly clean the lifting piston 33.

[0054] Specifically, the cleaning part 6 also includes a transmission assembly 66; the transmission assembly 66 includes a primary transmission and a secondary transmission; the agitator 62 includes a first stirring structure 621, a second stirring structure 622 and a third stirring structure 623; the end of the first stirring structure 621 away from the cleaning chamber 61 is connected to the stirring motor 67; the end of the second stirring structure 622 away from the cleaning chamber 61 is connected to the first stirring structure 621 through the primary transmission; the end of the third stirring structure 623 away from the cleaning chamber 61 is connected to the second stirring structure 622 through the secondary transmission.

[0055] The first stirring structure 621 is provided with a first stirring blade at one end inserted into the cleaning chamber 61; the first stirring blade is arranged in a circumferential array on the outer wall of the first stirring structure 621. The second stirring structure 622 is provided with a second stirring blade at one end inserted into the cleaning chamber 61; the second stirring blade is arranged in a circumferential array on the outer wall of the second stirring structure 622. The third stirring structure 623 is provided with a first stirring blade at one end inserted into the cleaning chamber 61; the first stirring blade is arranged in a circumferential array on the outer wall of the first stirring structure 621. When the first stirring structure 621, the second stirring structure 622 and the third stirring structure 623 rotate, the first stirring blade, the second stirring blade and the third stirring blade can drive the cleaning liquid to flow.

[0056] The stirring motor 67 drives the first stirring structure 621 to rotate, the first stirring structure 621 drives the second stirring structure 622 to rotate through the primary transmission, and the second stirring structure 622 drives the third stirring structure 623 to rotate through the secondary transmission. The stirring motor 67 drives the first stirring structure 621, the second stirring structure 622 and the third stirring structure 623 to rotate at the same time.

[0057] A driving wheel is provided on the side wall of the first stirring structure 621. A first transmission wheel and a second transmission wheel are provided on the side wall of the second stirring structure 622. A driven wheel is provided on the side wall of the third stirring structure 623. The driving wheel drives the first transmission wheel to rotate through the primary transmission device. The first transmission wheel and the second transmission wheel rotate synchronously. The second transmission wheel drives the driven wheel to rotate through the secondary transmission device.

[0058] In some embodiments of the present application, the primary transmission device includes a first longitudinal transmission structure 661 and a first transverse transmission structure 662; the first longitudinal transmission structure 661 and the first transverse transmission structure 662 are arranged crosswise; the first stirring structure 621 is located at the intersection of the first longitudinal transmission structure 661 and the first transverse transmission structure 662. The second stirring structure 622 is located at the intersection of the primary transmission device and the secondary transmission device, that is, at both ends of the first longitudinal transmission structure 661 or the first transverse transmission structure 662.

[0059] A first driving wheel and a second driving wheel are provided on the side wall of the first stirring structure 621. The first driving wheel is connected to the first driving wheel on a part of the second stirring structure 622 through the first longitudinal transmission structure 661. The second driving wheel is connected to the first driving wheel on another part of the second stirring structure 622 through the first transverse transmission structure 662.

[0060] The secondary transmission device includes a second longitudinal transmission structure 664 and a second transverse transmission structure 663; the second longitudinal transmission structure 664 and the second transverse transmission structure 663 are arranged crosswise. A portion of the second stirring structure 622 is located at the intersection of the first longitudinal transmission structure 661 and the second transverse transmission structure 663, and another portion of the second stirring structure 622 is located at the intersection of the first transverse transmission structure 662 and the second longitudinal transmission structure 664. The third stirring structure 623 is arranged in a straight line inside the second longitudinal transmission structure 664 or the second transverse transmission structure 663.

[0061] The second transmission wheel on a part of the second stirring structure 622 is connected to the driven wheel on a part of the third stirring structure 623 through the second longitudinal transmission structure 664. The second transmission wheel on another part of the second stirring structure 622 is connected to the driven wheel on another part of the third stirring structure 623 through the second transverse transmission structure 663.

[0062] Specifically, the secondary transmission device includes at least two second longitudinal transmission structures 664 and at least two second transverse transmission structures 663. The purpose of this design is that when the lifting piston 33 enters the cleaning chamber 61, the first stirring structure 621, the second stirring structure 622 and the third stirring structure 623 can surround each lifting piston 33, and when the first stirring structure 621, the second stirring structure 622 and the third stirring structure 623 rotate, they can drive the cleaning liquid to impact the side wall of the lifting piston 33.

[0063] Specifically, the first driving wheel, the second driving wheel, the first transmission wheel, the second transmission wheel and the driven wheel are all pulleys. The first longitudinal transmission structure 661, the first transverse transmission structure 662, the second transverse transmission structure 663 and the second longitudinal transmission structure 664 are all belts.

[0064] Alternatively, the first driving wheel, the second driving wheel, the first transmission wheel, the second transmission wheel and the driven wheel are all sprockets. The first longitudinal transmission structure 661, the first transverse transmission structure 662, the second transverse transmission structure 663 and the second longitudinal transmission structure 664 are all chains.

[0065] Furthermore, the side walls of the first stirring structure 621 , the second stirring structure 622 and the third stirring structure 623 are all provided with a second sealing structure to prevent the cleaning liquid inside the cleaning chamber 61 from flowing out through the gaps between the lifting motor 34 and the first stirring structure 621 , the second stirring structure 622 and the third stirring structure 623 .

[0066] Preferably, a heat-insulating layer is provided between the refrigeration chamber 51 and the cleaning chamber 61 to prevent the cleaning liquid inside the cleaning chamber 61 from being frozen by the refrigeration chamber 51 .

[0067] like Figure 5-7 As shown, the cleaning part 6 further includes a liquid inlet pipe 63, a liquid discharge pipe 64 and a storage bin 65; one end of the liquid inlet pipe 63 is connected to the cleaning bin 61, and the other end is connected to the storage bin 65; one end of the liquid discharge pipe 64 is connected to the storage bin 65, and the other end extends out of the housing 1. The liquid inlet pipe 63 is connected in series with a liquid inlet valve. The liquid discharge pipe 64 is connected in series with a liquid discharge valve.

[0068] The inlet valve and the discharge valve are both electromagnetic valves. The inlet valve and the discharge valve are connected to the control component 2 through wires, and the control component 2 can control the opening and closing of the inlet valve and the discharge valve.

[0069] When in use, the cleaning liquid is stored in the storage bin 65, and the liquid inlet valve is opened to allow the cleaning liquid to enter the cleaning bin 61 through the liquid inlet pipe 63. When the cleaning liquid in the cleaning bin 61 reaches a certain volume, the liquid inlet valve is closed. After the cleaning is completed, the liquid discharge valve is opened to discharge the cleaning liquid in the cleaning bin 61 through the liquid discharge valve.

[0070] Preferably, a door 651 is provided on the top of the storage bin 65 ; when in use, the door 651 is opened to add cleaning liquid into the storage bin 65 .

[0071] like Figure 7 As shown, a rotating bracket is fixedly connected to the interior of the second cavity 12; and the agitator 62 is rotatably connected to the rotating bracket.

[0072] like Figure 7 , 9 As shown, the circulation component includes a circulation pipe 52, an evaporator 54, a heat dissipation pipe 55, a condenser 56 and a compressor 57; one end of the circulation pipe 52 is connected to the evaporator 54, and the other end is connected to the compressor 57 after passing through the refrigeration chamber 51; the end of the evaporator 54 away from the circulation pipe 52 is connected to the heat dissipation pipe 55; one end of the condenser 56 is connected to the evaporator 54 through the heat dissipation pipe 55, and the other end is connected to the end of the compressor 57 away from the circulation pipe 52.

[0073] The interior of the refrigeration chamber 51 is filled with liquid heat-conducting medium.

[0074] The compressor 57 compresses the refrigerant into a high-temperature gas, which is processed by the condenser 56 to dissipate heat and become a low-temperature and high-pressure liquid. The gas is then input into the heat dissipation pipe 55 to limit the pressure and flow and become a low-temperature and low-pressure liquid. The gas is then input into the evaporator 54 for gasification. The low-temperature gas enters the circulation pipe 52, and the circulation pipe 52 reduces the temperature of the liquid heat-conducting medium. The liquid heat-conducting medium then reduces the temperature inside the channel, and can reduce the temperature of the wax liquid in the embedding mold inside the channel, thereby accelerating the solidification of the paraffin and forming a wax block. The gas in the circulation pipe 52 after heat exchange enters the compressor 57 for recycling.

[0075] Furthermore, the circulation component also includes a control valve 53, which is connected in series to the circulation pipe 52. The control valve 53 is a solenoid valve, which is connected to the control component 2 via a wire, so that the control component 2 can control the opening and closing of the circulation component.

[0076] like Figure 2 , 7 As shown in Figures 9 and 10, the refrigeration unit 5 further includes a heat dissipation fan 58; a heat dissipation hole 13 is provided on the housing 1. The heat dissipation fan 58 blows out the heat on the heat dissipation pipe 55 through the heat dissipation hole 13 to accelerate the cooling speed of the radiator.

[0077] like Figure 8 As shown, the lifting unit 3 also includes a sealing cover 31; one end of the sealing cover 31 is rotatably connected to the outer shell 1, and the other end is hinged to the lifting plate 32; a lifting arm 311 is fixedly connected to the sealing cover 31; the end of the lifting plate 32 away from the lifting piston 33 is fixedly connected to the sliding bracket 321; the end of the lifting arm 311 away from the sealing cover 31 is slidably connected to the sliding bracket 321.

[0078] When the lifting unit 3 gradually enters the contracted state, it will drive the lifting arm 311 to rotate, and the lifting arm 311 is fixedly connected to the sealing cover 31. When the lifting arm 311 rotates, the sealing cover 31 will rotate. When the lifting unit 3 completely enters the contracted state, the sealing cover 31 will block the channel, so that the channel-lifting plate 32-sealing cover 31 forms a closed space, and the embedding mold located in the closed space will be quickly cooled down under the influence of the refrigeration unit 5.

[0079] Furthermore, a heat insulating layer is provided on the sealing cover 31. When the channel-lifting plate 32-sealing cover 31 forms a closed space, external heat is prevented from entering through the sealing cover 31, ensuring orderly cooling.

[0080] Specifically, the lifter includes a lift motor 34 .

[0081] The rapid cooling process of this embodiment:

[0082] 1. Drive the lifting unit 3 into the extended state through the control component 2;

[0083] 2. Place the embedding mold with the sample on the lifting plate 32;

[0084] 3. The lifting unit 3 is driven into a contracted state through the control component 2, and the freezing time is set. At this time, the channel-lifting plate 32-sealing cover 31 forms a closed space, and the refrigeration unit 5 cools down the surrounding of the embedding mold to make the wax liquid solidify quickly;

[0085] 4. After the freezing time is over, the lifting unit 3 enters the extended state, at which time the lifting plate 32 rises and the sealing cover 31 opens, and the wax block can be taken out.

[0086] The self-cleaning process of this embodiment:

[0087] 1. Drive all lifting units 3 into a retracted state through the control component 2, so that all lifting pistons 33 enter the interior of the cleaning chamber 61;

[0088] 2. The control component 2 opens the liquid inlet valve, allowing the cleaning liquid to enter the cleaning chamber 61 through the liquid inlet pipe 63. When the cleaning liquid inside the cleaning chamber 61 reaches a certain volume, the liquid inlet valve is closed;

[0089] 3. Turn on the stirring motor 67 to drive the stirrer 62 to rotate, drive the cleaning liquid to flow, and clean the lifting piston 33;

[0090] 4. After cleaning is completed, the drain valve is opened to discharge the cleaning liquid inside the cleaning chamber 61 through the drain valve;

[0091] 5. All lifting units 3 are driven to the extended state through the control component 2, so that the lifting piston 33 is driven to leave the cleaning chamber 61. At this time, the lifting piston 33 abuts against the inside of the channel, and the cleaning liquid on the surface of the lifting piston 33 is squeezed down;

[0092] 6. After the cleaning liquid in the cleaning chamber 61 is discharged, close the drain valve.

[0093] The above are only specific implementations of the present application. Under the above teachings of the present application, those skilled in the art can make other improvements or modifications based on the above embodiments. Those skilled in the art should understand that the above specific description is only to better explain the purpose of the present application, and the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. An embedding and freezing device, characterized in that: include: shell; A refrigeration unit is fixedly connected to the interior of the housing; the refrigeration unit includes a refrigeration chamber and a circulation component; One end of the circulation assembly is inserted into the interior of the refrigeration bin; a passage is provided inside the refrigeration bin; The lifting unit comprises a lifting plate, a lifting piston and a lifter arranged along an axis; one end of the lifter is fixedly connected to the inside of the housing; the lifter drives the lifting plate and the lifting piston to move along the channel; The cleaning part is fixedly connected to the inside of the shell and abuts against the refrigeration chamber; the cleaning part includes a cleaning chamber; the cleaning chamber has a working port; the lifting piston is slidably connected to the working port; The lifting unit has a retracted state and an extended state; when the lifting unit is in the retracted state, the lifting piston enters the cleaning chamber through the working port; when the lifting unit is in the extended state, the lifting piston enters the interior of the channel and abuts against the inner wall of the channel.

2. The embedding and freezing device according to claim 1, characterized in that: The cleaning part also includes a stirrer and a stirring motor; one end of the stirrer is inserted into the interior of the cleaning chamber, and the other end is connected to the stirring motor; Preferably, a heat-insulating layer is provided between the refrigeration chamber and the cleaning chamber; Preferably, the cleaning part further comprises a transmission assembly; the transmission assembly comprises a primary transmission and a secondary transmission; the agitator comprises a first stirring structure, a second stirring structure and a third stirring structure; the first stirring structure is connected to a stirring motor at one end away from the cleaning bin; the second stirring structure is connected to the first stirring structure at one end away from the cleaning bin via a primary transmission; the third stirring structure is connected to the second stirring structure at one end away from the cleaning bin via a secondary transmission; Preferably, the side walls of the first stirring structure, the second stirring structure and the third stirring structure are all provided with a second sealing structure; Preferably, a rotating bracket is fixedly connected to the interior of the housing; the agitator is rotatably connected to the rotating bracket; Preferably, the end of the first stirring structure inserted into the cleaning bin is provided with a first stirring blade; the first stirring blade is arranged in a circular array on the outer wall of the first stirring structure; Preferably, the end of the second stirring structure inserted into the cleaning chamber is provided with a second stirring blade; the second stirring blade is arranged in a circular array on the outer wall of the second stirring structure; Preferably, one end of the third stirring structure inserted into the cleaning bin is provided with a first stirring blade; the first stirring blade is arranged in a circular array on the outer wall of the first stirring structure.

3. The embedding and freezing device according to claim 2, characterized in that: The primary transmission device includes a first longitudinal transmission structure and a first transverse transmission structure; the first longitudinal transmission structure and the first transverse transmission structure are cross-arranged; the first stirring structure is located at the intersection of the first longitudinal transmission structure and the first transverse transmission structure.

4. The embedding and freezing device according to claim 2, characterized in that: The secondary transmission device comprises a second longitudinal transmission structure and a second transverse transmission structure; the second longitudinal transmission structure and the second transverse transmission structure are arranged crosswise; Preferably, the secondary transmission includes at least two second longitudinal transmission structures and at least two second transverse transmission structures.

5. The embedding and freezing device according to claim 1, characterized in that: The cleaning part also includes a liquid inlet pipe, a liquid discharge pipe and a storage bin; one end of the liquid inlet pipe is connected to the cleaning bin, and the other end is connected to the storage bin; one end of the liquid discharge pipe is connected to the storage bin, and the other end extends out of the housing; Preferably, a door is provided on the top of the storage bin; Preferably, a liquid inlet valve is connected in series to the liquid inlet pipe; Preferably, a drain valve is connected in series to the drain pipe.

6. The embedding and freezing device according to claim 1, characterized in that: The circulation assembly includes a circulation pipe, an evaporator, a heat dissipation pipe, a condenser and a compressor; one end of the circulation pipe is connected to the evaporator, and the other end is connected to the compressor after passing through the refrigeration compartment; the end of the evaporator away from the circulation pipe is connected to the heat dissipation pipe; one end of the condenser is connected to the evaporator through the heat dissipation pipe, and the other end is connected to the end of the compressor away from the circulation pipe; Preferably, the circulation component further comprises a control valve; the control valve is connected in series to the circulation pipe; Preferably, the interior of the refrigeration bin is filled with liquid heat-conducting medium; Preferably, the refrigeration unit further includes a heat dissipation fan; and the outer shell is provided with heat dissipation holes.

7. The embedding and freezing device according to claim 1, characterized in that: The lifting unit further comprises a sealing cover; one end of the sealing cover is rotatably connected to the housing, and the other end is hinged to the lifting plate; Preferably, a lifting arm is fixedly connected to the sealing cover; an end of the lifting plate away from the lifting piston is fixedly connected to a sliding bracket; an end of the lifting arm away from the sealing cover is slidably connected to the sliding bracket; Preferably, the lifter comprises a lift motor.

8. An embedding and freezing device according to any one of claims 1 to 7, characterized in that: It also includes a power supply; the power supply is connected with the refrigeration part, the lifting unit and the cleaning part through a wire.

9. An embedding and freezing device according to any one of claims 1 to 7, characterized in that: It also includes a control component; the control component is fixedly connected to the side wall of the shell; the control component is connected to the refrigeration part, the lifting unit, and the cleaning part through wires.

10. The embedding and freezing device according to claim 9, characterized in that: The control component comprises a display, buttons and a controller; the display and buttons are arranged on the outer wall of the shell; the controller is arranged inside the shell; the controller is connected with the display and buttons through wires.

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