Vacuum freeze dryer for giant salamander pretreatment processing

Abstract

The invention belongs to the technical field of dryers, and particularly relates to a vacuum freeze dryer for giant salamander pretreatment processing, which comprises a freeze dryer main body, a case is fixed on the upper side of the freeze dryer main body, a sealing plate is slidably connected to the right side of the case, and a giant salamander extracting solution containing disc is fixed on the left side of the sealing plate; when the giant salamander extracting solution needs to be poured into the giant salamander extracting solution containing disc, the extracting solution in the giant salamander extracting solution containing box can be automatically discharged into the giant salamander extracting solution containing disc through the pump body, the traditional manual adding is effectively replaced, the labor is saved, the cost is reduced, the situation that workers make contact with the extracting solution for a long time can be avoided, and the working efficiency is improved. The pollution possibility is reduced; when the giant salamander extracting solution is dried to be in a solid state, the giant salamander extracting solution can be automatically poured into the smashing box and smashed through the smashing mechanism in the smashing box, the giant salamander extracting solution is processed into powder to be freeze-dried, and further storage is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of dryers, in particular to a vacuum freeze dryer for pre-processing giant salamanders. Background Art

[0002] Freeze-dried giant salamander refers to a product made by freeze-drying giant salamanders, a rare amphibian with extremely high medicinal and nutritional value. This process converts the giant salamander extract into a freeze-dried powder, preserving its natural active ingredients while significantly improving storage and ease of use.

[0003] However, the existing vacuum freeze dryer still has the following technical problems when in use:

[0004] Existing vacuum freeze dryers often require manual labor to repeatedly pour the giant salamander extract into a drying tray, and then place the drying tray inside the vacuum freeze dryer for further freeze-drying. This process requires a lot of manpower, is not only very troublesome to operate, but also increases production costs. After the giant salamander freeze-dried preparation is completed, it is often in the form of large solid blocks. Current vacuum freeze dryers are unable to crush the formed solid into powder to facilitate subsequent storage.

[0005] Therefore, a vacuum freeze dryer for pre-processing of giant salamander is proposed to solve the above-mentioned problems. Summary of the Invention

[0006] The purpose of the present invention is to provide a vacuum freeze dryer for pre-processing giant salamanders to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: a vacuum freeze dryer for pre-processing giant salamanders, comprising a freeze dryer body, a housing fixed on the upper side of the freeze dryer body, a sealing plate slidably connected to the right side of the housing, and a giant salamander extract holding plate fixed to the left side of the sealing plate;

[0008] A moving mechanism is fixed to the right end of the upper side of the chassis, a fixed box is fixed to the lower end of the moving mechanism, a rotating mechanism is fixed inside the fixed box, the left end of the rotating mechanism is fixedly connected to the right side of the sealing plate, and a limited support mechanism is provided between the right side of the sealing plate and the fixed box;

[0009] A giant salamander extract container is fixed on the left side of the chassis, an addition pipe is fixed to the upper left end of the giant salamander extract container, a pump body is fixed to the right end of the addition pipe, a liquid inlet end of the pump body extends into the interior of the giant salamander extract container, a connecting pipe is fixed to the liquid outlet end of the pump body, the other end of the connecting pipe extends into the interior of the chassis and is located at the upper end of the giant salamander extract container;

[0010] A crushing box is fixed on the right side of the freeze dryer body, a discharge port is opened on the lower side of the crushing box, a sieve plate is fixed inside the discharge port, a discharge pipe is fixed at the lower end of the discharge port, and a sealing plug is clamped inside the discharge pipe;

[0011] A crushing mechanism is provided at the lower end of the crushing box, a fixing rod is fixed at the upper right end of the freeze dryer body, and a scraping mechanism is fixed at the right end of the fixing rod extending to the upper end of the crushing box.

[0012] Preferably, the moving mechanism includes a strip plate, which is fixedly connected to the upper side of the chassis, and a slide groove is opened on the lower side of the strip plate, and a screw rod is rotatably connected to the inside of the slide groove through a bearing, and an installation box is fixed to the left side of the strip plate, and a first motor is fixed to the inside of the installation box, and the left end of the screw rod is fixedly connected to the output end of the first motor, and a slider is threadedly connected to the rod wall of the screw rod, and the upper side of the slider is slidably connected to the inner wall of the slide groove, and a moving rod is fixed to the lower side of the slider, and the lower end of the moving rod is fixedly connected to the right side of the fixed box.

[0013] Preferably, the rotating mechanism includes a second motor, the second motor is fixedly connected to the right end of the inner wall of the fixed box, a rotating rod is fixed to the output end of the second motor, a transmission rod is laterally arranged at the front end of the rotating rod inside the fixed box, the left end of the transmission rod is fixedly connected to the right side of the sealing plate, and the right end of the transmission rod is rotatably connected to the right end of the inner wall of the fixed box, a first pulley is fixedly sleeved on the rod wall of the rotating rod, a second pulley is fixedly sleeved on the rod wall of the transmission rod, and the first pulley is rotatably connected to the second pulley via a belt.

[0014] Preferably, the limiting support mechanism includes a limiting ring, a limiting groove is opened on the right side of the sealing plate, the limiting ring is slidingly connected to the inner wall of the limiting groove, and a symmetrical first limiting rod is fixed on the right side of the limiting ring, and the other end of the symmetrical first limiting rod is fixedly connected to the inner wall of the fixed box.

[0015] Preferably, the crushing mechanism includes a third motor, which is fixedly connected to the rear side of the crushing box. A cross bar is fixed to the output end of the third motor, which is rotatably connected to the rear side of the crushing box. The rod wall of the cross bar is fixed with evenly arranged crushing rods.

[0016] Preferably, the scraping mechanism includes a fixed block, which is fixedly connected to the right end of the fixed rod, a cavity is opened inside the fixed block, a second limit rod is laterally fixed inside the cavity, the outside of the second limit rod is slidably connected to the limit block, the lower side of the limit block is slidably connected to the lower end of the inner wall of the cavity, the outside of the second limit rod is sleeved with a spring, the left end of the spring is fixedly connected to the left end of the inner wall of the cavity, the right end of the spring is fixedly connected to the left side of the limit block, a strip opening is opened on the upper side of the fixed block, a vertical rod is fixed on the upper side of the limit block, the vertical rod passes through the strip opening and extends to the upper end and is fixed with a scraper.

[0017] Preferably, symmetrical first guide plates are fixed to the left and right ends of the inner wall of the crushing box, and second guide plates are fixed to the lower ends of the two first guide plates.

[0018] Preferably, an electric push rod is fixed to the lower side of the giant salamander extract container, a push plate is slidably connected to the inside of the giant salamander extract container, and the upper end of the electric push rod is fixedly connected to the lower side of the push plate.

[0019] Preferably, the edge of the sealing plate is wrapped and fixed with a first sealing layer, and the outer wall of the first sealing layer contacts the side wall of the chassis; the edge of the push plate is wrapped and fixed with a second sealing layer, and the outer wall of the second sealing layer contacts the inner wall of the giant salamander extract container.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1) When the giant salamander extract needs to be poured into the giant salamander extract container, the present invention can automatically discharge the extract inside the giant salamander extract container into the giant salamander extract container through the pump body, effectively replacing the previous manual addition, not only saving labor and reducing costs, but also avoiding long-term contact between humans and the extract, reducing the possibility of contamination;

[0022] 2) When the giant salamander extract is dried to a solid state, the solution can be automatically poured into a crushing box and crushed by the internal crushing mechanism to be processed into freeze-dried powder for further storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 Schematic diagram of the cross-sectional structure of the chassis;

[0025] Figure 3 It is a top sectional view of the fixed box;

[0026] Figure 4It is a cross-sectional structural diagram of the moving mechanism;

[0027] Figure 5 is a cross-sectional view of the crushing box;

[0028] Figure 6 It is a structural diagram of the scraping mechanism;

[0029] Figure 7 is a structural diagram of the third motor and the crossbar;

[0030] Figure 8 This is a cross-sectional view of a plate containing giant salamander extract.

[0031] In the figure: 1 freeze dryer body, 2 chassis, 3 sealing plate, 4 giant salamander extract holding plate, 5 fixed box, 6 giant salamander extract holding box, 7 adding tube, 8 pump body, 9 connecting pipe, 10 crushing box, 11 sieve plate, 12 discharge pipe, 13 sealing plug, 14 fixed rod, 15 strip plate, 16 screw rod, 17 first motor, 18 slider, 19 moving rod, 20 second motor, 21 rotating rod, 22 transmission rod, 23 limiting ring, 24 first limiting rod, 25 third motor, 26 cross bar, 27 crushing rod, 28 fixed block, 29 second limiting rod, 30 limiting block, 31 spring, 32 vertical rod, 33 scraper, 34 first guide plate, 35 second guide plate, 36 electric push rod, 37 push plate. DETAILED DESCRIPTION

[0032] 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.

[0033] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0034] Example:

[0035] See also Figure 1-8 , the present invention provides a technical solution:

[0036] A vacuum freeze dryer for pre-processing giant salamanders comprises a freeze dryer body 1, a chassis 2 being fixed on the upper side of the freeze dryer body 1, a sealing plate 3 being slidably connected to the right side of the chassis 2, a first sealing layer being provided between the sealing plate 3 and the chassis 2 to ensure a seal, thereby ensuring a vacuum effect when the vacuum system inside the chassis 2 is in operation, and a giant salamander extract holding tray 4 being fixed on the left side of the sealing plate 3;

[0037] The giant salamander extract holding tray 4 is used to hold the giant salamander extract. The interior of the freeze dryer body includes a refrigeration system, a vacuum system, and a heating system. This part is prior art in this application and is not described or illustrated in detail. No further details are given. The refrigeration system includes components such as a compressor and a condenser to achieve rapid freezing of the material and capture of water vapor in a cold trap; the vacuum system includes a vacuum pump and a sealed cabin to maintain the low-pressure environment required for sublimation; the heating system includes a heating plate or a radiation source to provide controllable heat energy to promote the sublimation reaction;

[0038] The core process of preparing giant salamander extract into freeze-dried form is divided into three stages: Pre-freezing stage: The giant salamander extract is rapidly frozen in a low-temperature environment (usually -30°C to -50°C), causing the free water and some bound water in the extract to solidify into solid ice crystals. This process ensures that the material structure is fixed and prevents the ice crystals from melting and causing damage to the components during the subsequent drying process;

[0039] Sublimation drying: A vacuum pump reduces the pressure in the drying chamber to below the triple point (typically 1.3–13 Pa), creating the necessary conditions for ice crystal sublimation. Heat is provided by heating plates and other devices, allowing the ice crystals to sublime directly into water vapor and escape. This stage removes approximately 90% of the water content. The sublimation process requires precise control of the temperature and vacuum balance to prevent material melting or structural collapse.

[0040] Desorption drying: At a higher temperature (such as 20℃–50℃) and a low vacuum environment, the residual bound water is removed by molecular desorption, and the moisture content of the material is eventually reduced to 1%-4%, which is called freeze-drying.

[0041] A moving mechanism is fixed to the right end of the upper side of the chassis 2, and a fixed box 5 is fixed to the lower end of the moving mechanism. The moving mechanism can drive the sealing plate 3 on the left end and the giant salamander extract holding plate 4 to move left and right. A rotating mechanism is fixed inside the fixed box 5. The left end of the rotating mechanism is fixedly connected to the right side of the sealing plate 3. The rotating mechanism can drive the giant salamander extract holding plate 4 to rotate, thereby facilitating the pouring out of the freeze-dried liquid inside. A limited support mechanism is provided between the right side of the sealing plate 3 and the fixed box 5 to increase the stability between the rotating mechanism and the sealing plate 3, ensuring that the giant salamander extract holding plate 4 can rotate normally when the rotating mechanism is driving.

[0042] A giant salamander extract container 6 is fixed to the left side of the chassis 2, an addition pipe 7 is fixed to the upper left end of the giant salamander extract container 6, a pump body 8 is fixed to the right end of the addition pipe 7, the liquid inlet end of the pump body 8 extends to the interior of the giant salamander extract container 6, and a connecting pipe 9 is fixed to the liquid outlet end of the pump body 8, the other end of the connecting pipe 9 extends to the interior of the chassis 2 and is located at the upper end of the giant salamander extract container 4;

[0043] A crushing box 10 is fixed to the right side of the freeze dryer body 1. A discharge port is opened on the lower side of the crushing box 10. A sieve plate 11 is fixed inside the discharge port. A discharge pipe 12 is fixed at the lower end of the discharge port. A sealing plug 13 is clamped inside the discharge pipe 12. After the freeze-dried blocks are crushed into freeze-dried powder by the crushing mechanism, they can be sieved through the sieve plate 11. When the appropriate mesh size is reached, they pass through the sieve plate 11 and fall into the inside of the discharge pipe 12.

[0044] A crushing mechanism is provided at the lower end of the crushing box 10, and a fixing rod 14 is fixed to the upper right end of the freeze dryer body 1. The right end of the fixing rod 14 extends to the upper end of the crushing box 10 and is fixed with a scraping mechanism. When a small amount of freeze-dried powder is attached to the side wall of the push plate 37, the push plate 37 can be scraped clean by cooperating with the scraping mechanism.

[0045] The moving mechanism includes a strip plate 15, which is fixedly connected to the upper side of the chassis 2. A slide groove is provided on the lower side of the strip plate 15. The inside of the slide groove is rotatably connected to a screw rod 16 through a bearing. A mounting box is fixed to the left side of the strip plate 15. A first motor 17 is fixed inside the mounting box. The left end of the screw rod 16 is fixedly connected to the output end of the first motor 17. A slider 18 is threadedly connected to the rod wall of the screw rod 16. The upper side of the slider 18 is slidably connected to the inner wall of the slide groove. A moving rod 19 is fixed to the lower side of the slider 18. The lower end of the moving rod 19 is fixedly connected to the right side of the fixed box 5. The first motor 17 drives the screw rod 16 at the output end to rotate, and the screw rod 16 drives the slider 18 threadedly connected to the rod wall to move. The slider 18 drives the moving rod 19 of the side wall to move. The moving rod 19 drives the sealing plate 3 and the giant salamander extract holding plate 4 to move. The first motor 17 uses a forward and reverse motor.

[0046] The rotating mechanism includes a second motor 20, which is fixedly connected to the right end of the inner wall of the fixed box 5. A rotating rod 21 is fixed to the output end of the second motor 20. A transmission rod 22 is laterally arranged at the front end of the rotating rod 21 inside the fixed box 5. The left end of the transmission rod 22 is fixedly connected to the right side of the sealing plate 3, and the right end of the transmission rod 22 is rotatably connected to the right end of the inner wall of the fixed box 5. The rod wall of the rotating rod 21 is fixedly sleeved with a first pulley, and the rod wall of the transmission rod 22 is fixedly sleeved with a second pulley. The first pulley is rotatably connected to the second pulley through a belt. The second motor 20 drives the rotating rod 21 at the output end to rotate, the rotating rod 21 drives the first pulley to rotate, the first pulley drives the second pulley to rotate through the belt, and the second pulley drives the transmission rod 22 to rotate. The transmission rod 22 drives the sealing plate 3 and the giant salamander extract holding plate 4 to rotate, thereby facilitating the dumping of the freeze-dried blocks inside. The second motor 20 uses a forward and reverse motor.

[0047] The limiting support mechanism includes a limiting ring 23, and a limiting groove is provided on the right side of the sealing plate 3. The limiting ring 23 is slidably connected to the inner wall of the limiting groove. A symmetrical first limiting rod 24 is fixed to the right side of the limiting ring 23, and the other end of the symmetrical first limiting rod 24 is fixedly connected to the inner wall of the fixed box 5. When the giant salamander extract holding plate 4 is filled with giant salamander extract, the weight will increase. The limiting support mechanism can increase the stability between the sealing plate 3, the giant salamander extract holding plate 4 and the fixed box 5, thereby facilitating stable rotation.

[0048] The crushing mechanism includes a third motor 25, which is fixedly connected to the rear side of the crushing box 10. A cross bar 26 is fixed to the output end of the third motor 25, and the cross bar 26 is rotatably connected to the rear side of the crushing box 10. The rod wall of the cross bar 26 is fixed with evenly arranged crushing rods 27. The third motor 25 drives the cross bar 26 at the output end to rotate, and the cross bar 26 drives the crushing rod 27 to rotate, thereby crushing the freeze-dried block into freeze-dried powder.

[0049] The scraping mechanism includes a fixed block 28, which is fixedly connected to the right end of the fixed rod 14. A cavity is opened in the interior of the fixed block 28, and a second limit rod 29 is fixed laterally inside the cavity. The outer side of the second limit rod 29 is slidably connected to the limit block 30, and the lower side of the limit block 30 is slidably connected to the lower end of the inner wall of the cavity. The outer sleeve of the second limit rod 29 is sleeved with a spring 31, and the left end of the spring 31 is fixedly connected to the left end of the inner wall of the cavity. The right end of the spring 31 is fixedly connected to the left side of the limit block 30. A strip opening is opened on the upper side of the fixed block 28, and a vertical rod 32 is fixed on the upper side of the limit block 30. The vertical rod 32 extends through the strip opening to the upper end and is fixed with a scraper 33. The cooperation of the electric push rod 36 and the moving mechanism can drive the push plate 37 to a suitable position and drive the push plate 7 to move, so that the push plate 37 contacts the scraper 33, thereby scraping off a little freeze-dried food attached to the side wall of the push plate 37 that has not fallen.

[0050] Symmetrical first guide plates 34 are fixed to the left and right ends of the inner wall of the crushing box 10, and second guide plates 35 are fixed to the lower ends of the two first guide plates 34. The two second guide plates 35 are arranged in an arc shape, so as to facilitate the collection and gathering of the freeze-dried blocks, which can be better crushed by the crushing mechanism.

[0051] An electric push rod 36 is fixed to the lower side of the giant salamander extract holding tray 4, and a push plate 37 is slidably connected to the inside of the giant salamander extract holding tray 4. The upper end of the electric push rod 36 is fixedly connected to the lower side of the push plate 37. Since the giant salamander extract has a certain viscosity, when the extract is prepared into freeze-dried blocks, the electric push rod 36 can drive the push plate 37 to move and push the freeze-dried blocks inside out of the giant salamander extract holding tray 4.

[0052] The edge of the sealing plate 3 is wrapped and fixed with a first sealing layer, and the outer wall of the first sealing layer contacts the side wall of the chassis 2; the edge of the push plate 37 is wrapped and fixed with a second sealing layer, and the outer wall of the second sealing layer contacts the inner wall of the giant salamander extract container 4.

[0053] Working principle:

[0054] The extract obtained from the giant salamander is poured into the giant salamander extract container 6 for storage. When the extract needs to be processed into freeze-dried liquid, the pump body 8 is started, and the pump body 8 discharges the extract into the giant salamander extract container 6 through the connecting pipe 9. The extract is prepared into freeze-dried liquid through the cooperation of the refrigeration system, vacuum system and heating system inside the freeze dryer body 1.

[0055] The sealing plate 3 and the giant salamander extract holding tray 4 on the left are driven to move to the right end through the moving mechanism and move to the upper end of the crushing box 10, and the second motor 20 is started. The second motor 20 drives the rotating rod 21 at the output end to rotate, and the rotating rod 21 drives the first pulley to rotate. The first pulley drives the second pulley to rotate through the belt, and the second pulley drives the transmission rod 22 to rotate. The transmission rod 22 drives the sealing plate 3 and the giant salamander extract holding tray 4 at the left end to rotate. Since the giant salamander extract has a certain viscosity, the formed freeze-dried food will adhere to the inside of the giant salamander extract holding tray 4. At this time, the electric push rod 36 is started, and the electric push rod 36 drives the push plate 37 at the lower end to move, separating the freeze-dried food from the giant salamander extract holding tray 4 and dropping it into the inside of the crushing box 10, passing through the two first guide plates 34 and moving between the two second guide plates 35;

[0056] The third motor 25 is started, which drives the crossbar 26 at the output end to rotate, and the crossbar 26 drives the crushing rod 27 on the side wall to rotate, thereby crushing the freeze-dried food. The electric push rod 36 adjusts the height of the push plate 37 and cooperates with the working of the moving mechanism to make the scraper 33 contact the side wall of the push plate 37, completely scraping off the freeze-dried food attached to the surface.

[0057] The giant salamander extract holding plate 4 is rotated to the initial position by the rotating mechanism, and is moved to the interior of the chassis 2 by the moving mechanism for another freeze-drying process.

[0058] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure signs in the claims should not be regarded as limiting the claims involved.

[0059] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum freeze dryer for pre-processing giant salamanders, comprising a freeze dryer body (1), characterized in that: A cabinet (2) is fixed on the upper side of the freeze dryer body (1); a sealing plate (3) is slidably connected to the right side of the cabinet (2); and a giant salamander extract container (4) is fixed to the left side of the sealing plate (3); A moving mechanism is fixed to the upper right end of the chassis (2), a fixed box (5) is fixed to the lower end of the moving mechanism, a rotating mechanism is fixed inside the fixed box (5), the left end of the rotating mechanism is fixedly connected to the right side of the sealing plate (3), and a limited support mechanism is provided between the right side of the sealing plate (3) and the fixed box (5); A giant salamander extract container (6) is fixed to the left side of the chassis (2), an addition pipe (7) is fixed to the upper left end of the giant salamander extract container (6), a pump body (8) is fixed to the right end of the addition pipe (7), a liquid inlet end of the pump body (8) extends to the interior of the giant salamander extract container (6), a connecting pipe (9) is fixed to the liquid outlet end of the pump body (8), the other end of the connecting pipe (9) extends to the interior of the chassis (2) and is located at the upper end of the giant salamander extract container (4); A crushing box (10) is fixed on the right side of the freeze dryer body (1), a discharge port is opened on the lower side of the crushing box (10), a sieve plate (11) is fixed inside the discharge port, a discharge pipe (12) is fixed at the lower end of the discharge port, and a sealing plug (13) is clamped inside the discharge pipe (12); A crushing mechanism is provided at the lower end of the crushing box (10), a fixing rod (14) is fixed to the upper right end of the freeze dryer body (1), and a scraping mechanism is fixed at the right end of the fixing rod (14) extending to the upper end of the crushing box (10).

2. The vacuum freeze dryer for pre-processing of giant salamander according to claim 1, characterized in that: The moving mechanism includes a strip plate (15), the strip plate (15) is fixedly connected to the upper side of the chassis (2), a slide groove is opened on the lower side of the strip plate (15), a screw rod (16) is rotatably connected to the inside of the slide groove through a bearing, a mounting box is fixed on the left side of the strip plate (15), a first motor (17) is fixed inside the mounting box, the left end of the screw rod (16) is fixedly connected to the output end of the first motor (17), a slider (18) is threadedly connected to the rod wall of the screw rod (16), the upper side of the slider (18) is slidably connected to the inner wall of the slide groove, a moving rod (19) is fixed to the lower side of the slider (18), and the lower end of the moving rod (19) is fixedly connected to the right side of the fixed box (5).

3. The vacuum freeze dryer for pre-processing of giant salamander according to claim 1, characterized in that: The rotating mechanism comprises a second motor (20), the second motor (20) is fixedly connected to the right end of the inner wall of the fixed box (5), a rotating rod (21) is fixed to the output end of the second motor (20), a transmission rod (22) is transversely arranged at the front end of the rotating rod (21) inside the fixed box (5), the left end of the transmission rod (22) is fixedly connected to the right side of the sealing plate (3), and the right end of the transmission rod (22) is rotatably connected to the right end of the inner wall of the fixed box (5), a rod wall of the rotating rod (21) is fixedly sleeved with a first pulley, and a rod wall of the transmission rod (22) is fixedly sleeved with a second pulley, and the first pulley is rotatably connected to the second pulley through a belt.

4. The vacuum freeze dryer for pre-processing of giant salamander according to claim 1, characterized in that: The limiting support mechanism includes a limiting ring (23), a limiting groove is provided on the right side of the sealing plate (3), the limiting ring (23) is slidably connected to the inner wall of the limiting groove, a symmetrical first limiting rod (24) is fixed on the right side of the limiting ring (23), and the other end of the symmetrical first limiting rod (24) is fixedly connected to the inner wall of the fixed box (5).

5. The vacuum freeze dryer for pre-processing of giant salamander according to claim 1, characterized in that: The crushing mechanism comprises a third motor (25), the third motor (25) is fixedly connected to the rear side of the crushing box (10), a cross bar (26) is fixed to the output end of the third motor (25), the cross bar (26) is rotatably connected to the rear side of the crushing box (10), and the rod wall of the cross bar (26) is fixed with evenly arranged crushing bars (27).

6. The vacuum freeze dryer for pre-processing of giant salamander according to claim 1, characterized in that: The scraping mechanism includes a fixed block (28), the fixed block (28) is fixedly connected to the right end of the fixed rod (14), a cavity is opened inside the fixed block (28), a second limiting rod (29) is fixed laterally inside the cavity, the outside of the second limiting rod (29) is slidably connected to the limiting block (30), the lower side of the limiting block (30) is slidably connected to the lower end of the inner wall of the cavity, the outside of the second limiting rod (29) is sleeved with a spring (31), the left end of the spring (31) is fixedly connected to the left end of the inner wall of the cavity, the right end of the spring (31) is fixedly connected to the left side of the limiting block (30), a strip opening is opened on the upper side of the fixed block (28), a vertical rod (32) is fixed on the upper side of the limiting block (30), the vertical rod (32) passes through the strip opening and extends to the upper end and is fixed with a scraper (33).

7. The vacuum freeze dryer for pre-processing of giant salamander according to claim 1, characterized in that: Symmetrical first guide plates (34) are fixed to the left and right ends of the inner wall of the crushing box (10), and second guide plates (35) are fixed to the lower ends of the two first guide plates (34).

8. The vacuum freeze dryer for pre-processing of giant salamander according to claim 1, characterized in that: An electric push rod (36) is fixed to the lower side of the giant salamander extract holding plate (4), a push plate (37) is slidably connected to the inside of the giant salamander extract holding plate (4), and the upper end of the electric push rod (36) is fixedly connected to the lower side of the push plate (37).

9. The vacuum freeze dryer for pre-processing giant salamander according to claim 8, characterized in that: The edge of the sealing plate (3) is wrapped and fixed with a first sealing layer, and the outer wall of the first sealing layer contacts the side wall of the chassis (2); the edge of the push plate (37) is wrapped and fixed with a second sealing layer, and the outer wall of the second sealing layer contacts the inner wall of the giant salamander extract container (4).

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