Low-temperature soaking equipment and soaking method for pickled duck feet

Abstract

The invention relates to the technical field of refrigeration equipment, in particular to low-temperature soaking equipment and a soaking method for pickled duck feet. Comprising a trolley, a refrigerating machine is installed on the trolley, a booster pump is installed on the refrigerating machine, an air inlet of the booster pump is communicated with an air outlet of the refrigerating machine, and an air storage space is formed in the trolley. Cold air in the air storage space extrudes the movable rod to slide, the cold air can enter the soaking barrel from the through holes and form bubble flow, so that deposited marinade components are driven to move, the problem of uneven taste of duck feet caused by marinade precipitation in a traditional process is effectively solved, the overall quality of a product is improved, and the production cost is reduced. And through cooperation of the draining basket, the lifting mechanism and the dumping mechanism, the duck feet in the soaking barrel can be automatically fished out, so that the requirements of manual operation are reduced, the labor cost is reduced, the production continuity and efficiency are remarkably improved, and large-scale industrial production is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of refrigeration equipment, and in particular to low-temperature soaking equipment and a soaking method for soaked duck feet. Background Art

[0002] Pickled duck feet are a popular snack food. One of the key steps in the production process is to soak the duck feet that have been steamed and chilled in a specific marinade at low temperature. This process not only affects the taste of the duck feet, but also plays a vital role in the texture and taste of the product. With the growth of market demand and the development of technology, the traditional production method of pickled duck feet has gradually exposed some shortcomings, and it is urgently needed to improve product quality and production efficiency.

[0003] In the traditional process, the pickled duck feet after the steaming and ice-cooling processes are usually poured directly into a soaking barrel containing a special marinade. Next, these soaking barrels will be placed in a cooling room to achieve low-temperature soaking of the duck feet by lowering the ambient temperature. In this process, low temperature helps to maintain the crispness and flavor of the duck feet and extend the shelf life of the product. However, due to this traditional method, the ingredients in the marinade will precipitate due to the long-term standing, making the marinade concentration at the bottom of the soaking barrel higher than that at the top, resulting in different amounts of marinade ingredients absorbed by the duck feet soaked in different positions, ultimately resulting in obvious differences in the taste of the duck feet at the top and bottom of the same barrel, and when the soaked duck feet need to be taken out, the operator must manually salvage the duck feet from the soaking barrel, which not only increases labor costs, but also easily causes the risk of cross-contamination, reducing work efficiency. Summary of the invention

[0004] In view of this, the present invention provides a low-temperature soaking device and soaking method for pickled duck feet, which can solve the problem that in the traditional process of low-temperature soaking of pickled duck feet, the components in the marinade are easily precipitated, resulting in obvious difference in taste between the duck feet at the top and bottom of the same barrel, and the duck feet need to be manually salvaged from the soaking barrel subsequently, resulting in high cost and low efficiency.

[0005] The technical solution of the present invention is: a low-temperature soaking device for soaking duck feet, including a trolley, a refrigerator is installed on the trolley, a pressure pump is installed on the refrigerator, an air inlet of the pressure pump is connected with an air outlet of the refrigeration machine, an air storage space is provided on the trolley, an air outlet of the pressure pump is connected with the air storage space, a soaking bucket is installed on the trolley, the soaking bucket is located directly above the air storage space, through holes are provided at intervals at the bottom of the soaking bucket, a discharge mechanism is provided on the trolley, the discharge mechanism is used to discharge the marinade in the soaking bucket, a movable rod is slidably provided in the through hole of the soaking bucket, the top of the movable rod is truncated, the movable rod is used to block the through hole of the soaking bucket, the movable rod is in the air storage space, and the air in the air storage space is used to squeeze the movable rod to slide, so as to input air into the soaking bucket to drive the sinking The accumulated marinade ingredients are movable, a spring is connected between the movable rod and the bottom of the soaking barrel, a lifting mechanism is provided on the trolley, a drain basket is rotatably provided on the lifting mechanism, the drain basket is in the soaking barrel, the lifting mechanism is used to drive the drain basket to lift and lower to fish the duck feet out of the soaking barrel, a discharging frame is installed on the side of the soaking barrel, a dumping mechanism for dumping the drain basket is provided on the lifting mechanism, so as to pour the duck feet in the drain basket into the discharging frame for discharging, a covering frame is provided on the top of the soaking barrel, and a fixing mechanism for fixing the covering frame is also provided on the top of the soaking barrel, an annular sponge block is provided at the bottom of the covering frame, the annular sponge block is used to discharge the gas in the soaking barrel, a counterweight plate is slidably provided in the covering frame, and a pressing rod for pressing down the duck feet is arranged at intervals at the bottom of the counterweight plate.

[0006] Optionally, the discharge mechanism includes a discharge pipe and an electrically controlled valve. The discharge pipe is installed on the trolley, the discharge pipe is connected to the soaking barrel, and the electrically controlled valve is installed on the discharge pipe.

[0007] Optionally, the lifting mechanism includes a support frame, a first electric push rod, a connecting plate and a rotating block. The support frame is symmetrically installed on the trolley, the first electric push rod is arranged on the support frame, the telescopic rod of the first electric push rod is connected to the connecting plate, the connecting plate is rotatably provided with a rotating block, and the rotating block is connected to the drain basket.

[0008] Optionally, the dumping mechanism includes a second electric push rod, a limit block, a third electric push rod and a clamping block. The second electric push rod is rotatably mounted on the support frame. The limit block is provided on the support frame. The limit block is used to limit the second electric push rod. The telescopic rod of the second electric push rod is connected to the third electric push rod. The telescopic rod of the third electric push rod is connected to a clamping block for clamping the drain basket.

[0009] Optionally, the fixing mechanism includes an electromagnet and an iron block. The connecting plate is provided with an electromagnet, and the iron block is symmetrically arranged on the covering frame. The electromagnet is used to absorb the iron block to fix the covering frame.

[0010] Optionally, a spin-drying mechanism is also included, which includes a connecting frame, universal wheels, a material guide frame, a fixed frame, a drain valve, a drum screen and a driving component. The trolley is connected to the connecting frame, and a universal wheel is rotatably installed on the bottom of the connecting frame. The connecting frame is provided with a material guide frame and a fixed frame. The material guide frame is used to guide the duck feet discharged from the discharge frame into the fixed frame. The bottom of the fixed frame is provided with a drain valve. A drum screen for swinging the duck feet is rotatably provided in the fixed frame, and a driving component for driving the drum screen to rotate is provided on the connecting frame.

[0011] Optionally, the driving component includes a servo motor, a gear and a gear ring. The servo motor is installed on the material guide frame, the output shaft of the servo motor is connected to the gear, the drum screen is connected to the gear ring, and the gear is meshed with the gear ring.

[0012] Optionally, an air-drying mechanism is also included, which includes an air pump and an air pipe. The material guide frame is also provided with an air pump, the air outlet of the air pump is connected to the air pipe, and the air pipe is provided with air holes at intervals. The air pump is used to draw air into the air pipe so that the air is blown toward the duck feet through the air holes to air-dry the duck feet.

[0013] The present invention also provides a soaking method of a duck feet soaking device at a low temperature, comprising the following steps: first, lifting the counterweight plate so that the covering frame and the counterweight plate no longer cover the soaking barrel; then, pouring a special marinade into the soaking barrel, and then pouring the chilled duck feet into the soaking barrel for soaking; then, putting the counterweight plate back to its original position so that the covering frame and the counterweight plate cover the soaking barrel; then, starting the refrigerator and the pressure pump so that the pressure pump pressurizes the cold air generated by the refrigerator and inputs it into the air storage space, so that the cold air in the air storage space squeezes the movable rod and enters the soaking barrel, thereby forming a continuous bubble flow to drive the deposited marinade components to move, and the duck feet in the soaking barrel are soaked at a low temperature; after that, etc. After the duck feet in the soaking barrel have completed low-temperature soaking, turn off the refrigerator and the pressure pump; then, lift the counterweight plate again so that the covering frame and the counterweight plate no longer cover the soaking barrel; then, drive the drain basket to rise through the lifting mechanism, so that the drain basket can scoop out the duck feet in the soaking barrel and drain the duck feet in the drain basket; then, drive the drain basket to rotate through the tipping mechanism, so that the drain basket can pour the duck feet into the discharging frame for discharging; then, discharge the marinade in the soaking barrel through the discharging mechanism, and then drive the drain basket to reset through the tipping mechanism and the lifting mechanism; finally, put the counterweight plate back to its original position so that the covering frame and the counterweight plate cover the soaking barrel.

[0014] The beneficial effects of the present invention are as follows: 1. The present invention squeezes the movable rod to slide through the cold air in the air storage space, so that the cold air can enter the soaking barrel from the through hole and form a bubble flow, thereby driving the deposited marinade components to move, thereby effectively solving the problem of uneven taste of duck feet caused by marinade precipitation in traditional processes, improving the overall quality of the product, and through the cooperation of the drain basket, the lifting mechanism and the dumping mechanism, the duck feet in the soaking barrel can be automatically fished out, which not only reduces the need for manual operation and reduces labor costs, but also significantly improves the continuity and efficiency of production, and is conducive to large-scale industrial production.

[0015] 2. The present invention is equipped with a special drain basket and a spin-drying mechanism to fish out the duck feet after soaking and remove excess marinade. The whole process does not require direct manual contact with food, thereby effectively avoiding possible cross-contamination problems and ensuring food safety.

[0016] 3. The present invention utilizes the cold air generated by the refrigerator to soak the duck feet in the soaking barrel at low temperature, and cooperates with the air-drying mechanism to accelerate the evaporation of water on the surface of the duck feet, which not only maintains the best taste of the duck feet, but also shortens the processing time and improves the overall operation efficiency of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the refrigerator, the booster pump and the gas storage space of the present invention.

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the discharge mechanism of the present invention.

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the soaking bucket, movable rod and spring of the present invention.

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the movable rod and the spring of the present invention.

[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the support frame, the first electric push rod and the discharge frame of the present invention.

[0023] Figure 7 It is a three-dimensional structural schematic diagram of the lifting mechanism of the present invention.

[0024] Figure 8 It is a schematic diagram of the three-dimensional structure of the dumping mechanism of the present invention.

[0025] Fig. 9 It is a three-dimensional structural schematic diagram of the fixing mechanism of the present invention.

[0026] Fig.10 This is a structural separation diagram of the soaking barrel, the covering frame and the counterweight plate of the present invention.

[0027] Fig.11 It is a three-dimensional structural schematic diagram of the spin-drying mechanism of the present invention.

[0028] Fig.12 It is a three-dimensional structural schematic diagram of the spin-drying mechanism and the air-drying mechanism of the present invention.

[0029] Fig.13 It is a cross-sectional view of the spin-drying mechanism of the present invention.

[0030] Description of reference numerals: 1: trolley, 2: refrigerator, 3: pressure pump, 4: gas storage space, 5: soaking bucket, 501: through hole, 601: discharge pipe, 602: electric control valve, 7: movable rod, 8: spring, 901: support frame, 902: first electric push rod, 903: connecting plate, 904: rotating block, 10: drain basket, 11: discharge frame, 1201: second electric push rod, 1202: limit block, 1203: The third electric push rod, 1204: clamping block, 13: covering frame, 1401: electromagnet, 1402: iron block, 15: annular sponge block, 16: counterweight plate, 17: lower pressure rod, 24: connecting frame, 25: universal wheel, 26: material guide frame, 27: fixed frame, 28: drain valve, 29: drum screen, 3001: servo motor, 3002: gear, 3003: gear ring, 31: air pump, 32: air pipe, 33: air hole. DETAILED DESCRIPTION

[0031] The present invention will now be described more fully below with reference to the accompanying drawings, in which currently preferred embodiments of the present invention are shown. However, the present invention may be implemented in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and these embodiments fully convey the scope of the present invention to the skilled person.

[0032] Embodiment: A low temperature soaking device for soaking duck feet, see Figure 1-Figure 10 As shown, a trolley 1 is included; the trolley 1 can be used to facilitate the operator to move the soaking device; It also includes a refrigerator 2, a pressure pump 3, a soaking bucket 5, a discharge mechanism, a movable rod 7, a spring 8, a lifting mechanism, a drain basket 10, a discharge frame 11, a dumping mechanism, a covering frame 13, a fixing mechanism, an annular sponge block 15, a counterweight plate 16 and a pressing rod 17; a refrigerator 2 is installed on the left side of the top of the trolley 1; a pressure pump 3 is installed on the lower right side of the refrigerator 2; the air inlet of the pressure pump 3 is connected to the air outlet of the refrigerator 2; an air storage space 4 is opened on the right side of the top of the trolley 1, and the air outlet of the pressure pump 3 is connected to the air storage space 4, and the pressure pump 3 is used to transfer the cold air produced by the refrigerator 2 The liquid is injected into the air storage space 4 under pressure; a soaking bucket 5 is installed on the right side of the top of the trolley 1, and the soaking bucket 5 is located directly above the air storage space 4. Through holes 501 are provided at intervals at the bottom of the soaking bucket 5, and the through holes 501 are connected to the air storage space 4; a discharging mechanism is provided on the trolley 1, and the discharging mechanism is used to discharge the marinade in the soaking bucket 5; a movable rod 7 is slidably provided in the through hole 501 of the soaking bucket 5, and the top of the movable rod 7 is in a frustum shape. The movable rod 7 is used to block the through hole 501 of the soaking bucket 5, and the lower end of the movable rod 7 is in the air storage space 4, and the movable rod is squeezed by the cold air in the air storage space 4 7 slides, so that the movable rod 7 no longer blocks the through hole 501 of the soaking barrel 5, so that cold air enters the soaking barrel 5 from the through hole 501 and forms bubbles to drive the deposited marinade components to move, thereby reducing the taste difference of the duck feet at the upper and bottom parts of the soaking barrel 5 caused by the precipitation of the marinade components; a spring 8 is connected between the lower side of the movable rod 7 and the bottom of the soaking barrel 5; a lifting mechanism is provided on the trolley 1, and a drain basket 10 is rotatably provided on the lifting mechanism, and the drain basket 10 is in the soaking barrel 5. The lifting mechanism is used to drive the drain basket 10 to rise and fall, so as to remove the duck feet from the soaking barrel 5. Take out; a discharge frame 11 is installed on the upper right side of the soaking barrel 5; a dumping mechanism for dumping the drain basket 10 is provided on the lifting mechanism, so that the duck feet in the drain basket 10 can be poured into the discharge frame 11 for discharge; a covering frame 13 is placed on the top of the soaking barrel 5; a fixing mechanism for fixing the covering frame 13 is also provided on the top of the soaking barrel 5; an annular sponge block 15 is provided at the bottom of the covering frame 13, and the annular sponge block 15 is used to discharge the gas in the soaking barrel 5; a counterweight plate 16 is slidably arranged in the covering frame 13; a pressing rod 17 for pressing down the duck feet is arranged at intervals at the bottom of the counterweight plate 16.

[0033] See also Figure 3 As shown, the discharge mechanism includes a discharge pipe 601 and an electric-controlled valve 602; the discharge pipe 601 is installed on the right side of the trolley 1, and the left end of the discharge pipe 601 passes through the gas storage space 4 and is connected to the bottom of the soaking barrel 5; the discharge pipe 601 is installed with an electric-controlled valve 602, and the electric-controlled valve 602 is located in the gas storage space 4.

[0034] See also Figure 6 and Figure 7As shown, the lifting mechanism includes a support frame 901, a first electric push rod 902, a connecting plate 903 and a rotating block 904; the support frame 901 is symmetrically installed on the front and back right side of the top of the trolley 1; the two support frames 901 are each provided with a first electric push rod 902; the connecting plate 903 is connected to the telescopic rod of the first electric push rod 902; the lower part of the two connecting plates 903 close to each other is rotatably provided with a rotating block 904, and the two rotating blocks 904 are both connected to the drain basket 10.

[0035] See also Figure 8 As shown, the tipping mechanism includes a second electric push rod 1201, a limit block 1202, a third electric push rod 1203 and a clamping block 1204; the second electric push rod 1201 is rotatably installed on the upper part of the side of the two support frames 901 away from each other; the limit blocks 1202 are arranged on the upper part of the side of the two support frames 901 away from each other, and the limit blocks 1202 are used to limit the second electric push rod 1201; the third electric push rod 1203 is connected to the telescopic rod of the second electric push rod 1201, and the clamping block 1204 for clamping the drain basket 10 is connected to the telescopic rod of the third electric push rod 1203.

[0036] See also Fig. 9 and Fig.10 As shown, the fixing mechanism includes an electromagnet 1401 and an iron block 1402; the electromagnet 1401 is installed on the top of the two connecting plates 903; the iron block 1402 is symmetrically arranged at the bottom of the covering frame 13, and the electromagnet 1401 is used to absorb the iron block 1402 to fix the covering frame 13.

[0037] When in use, lift the counterweight plate 16 and move it upward, thereby driving the pressing rod 17 to move upward. When the counterweight plate 16 moves to the uppermost side in the covering frame 13, the counterweight plate 16 will drive the covering frame 13, the annular sponge block 15 and the iron block 1402 to move upward, so that the covering frame 13 and the counterweight plate 16 no longer cover the soaking bucket 5, and separate the iron block 1402 from the electromagnet 1401. Then, pour the special marinade into the soaking bucket 5, and then pour the chilled duck feet into the soaking bucket 5 for soaking. Then, put the counterweight plate 16 back to its original position, so that the counterweight plate 16 drives the covering frame 13, the annular sponge block 15 and the iron block 1402 to move upward. 13, the annular sponge block 15 and the iron block 1402 are reset, so that the annular sponge block 15 contacts the top of the soaking bucket 5, and then the covering frame 13 and the counterweight plate 16 cover the soaking bucket 5 again, and the iron block 1402 contacts the electromagnet 1401, and then the electromagnet 1401 is energized to make the electromagnet 1401 suck the iron block 1402, so as to fix the covering frame 13. At the same time, after the covering frame 13 is reset, the counterweight plate 16 and the lower pressure rod 17 will move downward under the influence of their own gravity. When the duck claws of the soaking barrel 5 come into contact with the duck claws, the pressing rod 17 will press the duck claws in the soaking barrel 5 downward, so that the duck claws on the upper part of the soaking barrel 5 are all immersed in the marinade, and then the refrigerator 2 and the pressure pump 3 are started, so that the pressure pump 3 pressurizes the cold air generated by the refrigerator 2 and inputs it into the air storage space 4, so that the air storage space 4 is gradually pressurized. When the pressure in the air storage space 4 reaches a certain value (the air pressure is greater than the sum of the water pressure of the marinade in the soaking barrel 5 and the elastic force of the spring 8), the cold air in the air storage space 4 will squeeze the movable rod 7 to move upward, and the spring 8 is compressed, so that the movable rod 7 no longer blocks the soaking barrel 5. Through hole 501, so that cold air enters the soaking barrel 5 from through hole 501, and forms a continuous bubble flow to drive the deposited marinade components to move, thereby reducing the taste difference between the duck feet at the upper part and the bottom part of the soaking barrel 5 caused by the precipitation of the marinade components, and the bubble flow formed by the cold air enters the soaking barrel 5, which can reduce the temperature in the soaking barrel 5, so that the duck feet in the soaking barrel 5 are soaked at low temperature, and the bubbles discharged into the soaking barrel 5 will eventually be discharged from the annular sponge block 15, and then wait for a period of time, so that the duck feet in the soaking barrel 5 complete the low-temperature soaking; When the duck feet in the soaking barrel 5 have completed low-temperature soaking, the refrigerator 2 and the pressure pump 3 are turned off, so that the pressure pump 3 stops pressurizing the cold air and inputting it into the air storage space 4, thereby gradually reducing the pressure in the air storage space 4. When the pressure in the air storage space 4 drops to a certain value (the air pressure is less than the sum of the water pressure of the marinade in the soaking barrel 5 and the elastic force of the spring 8), the spring 8 returns to its original state, and the spring 8 drives the movable rod 7 to move downward and reset, so that the movable rod 7 blocks the through hole 501 of the soaking barrel 5 again, and then the electromagnet 1401 is powered off to release the iron block 1402, and then the counterweight plate 16 is lifted up again to move upward, so that the covering frame 13 and the counterweight plate 16 are no longer The duck feet in the soaking bucket 5 are covered, and then the first electric push rod 902 drives the connecting plate 903, the rotating block 904 and the drain basket 10 to move upward, so that the drain basket 10 can pick up the duck feet in the soaking bucket 5 and drain the duck feet in the drain basket 10. When the duck feet have finished draining in the drain basket 10, the third electric push rod 1203 drives the clamping block 1204 to move to the side close to the drain basket 10 until the clamping block 1204 clamps the drain basket 10, and then the telescopic rod of the second electric push rod 1201 is extended to squeeze the telescopic rod of the second electric push rod 1201 on the third electric push rod 1203 and the clamping block 1204, so that the third The electric push rod 1203 and the clamping block 1204 drive the drain basket 10 to rotate around the position of the rotating block 904, thereby causing the drain basket 10 to tip over, so that the drain basket 10 pours the duck feet inside into the discharging frame 11 for discharging, thereby realizing automatic discharging of the duck feet. After all the duck feet in the drain basket 10 have been discharged, the telescopic rod of the second electric push rod 1201 is shortened, so that the telescopic rod of the second electric push rod 1201 pulls the third electric push rod 1203 and the clamping block 1204, so that the third electric push rod 1203 and the clamping block 1204 drive the drain basket 10 to reverse around the position of the rotating block 904 as the axis. Until the drain basket 10 is reset, the electric control valve 602 is controlled to open, so that the marinade in the soaking bucket 5 is discharged through the discharge pipe 601, and at the same time, the third electric push rod 1203 drives the clamping block 1204 to move to the side away from the drain basket 10 and reset, so that the clamping block 1204 loosens the drain basket 10. After the marinade in the soaking bucket 5 is completely discharged, the first electric push rod 902 drives the connecting plate 903, the rotating block 904 and the drain basket 10 to move downward and reset, then rinse the soaking bucket 5, and then control the electric control valve 602 to close, and finally put the counterweight plate 16 back to its original position again, so that the covering frame 13 and the counterweight plate 16 can cover the soaking bucket 5 again.

[0038] See also Figure 11-13As shown, it also includes a drying mechanism, which includes a connecting frame 24, a universal wheel 25, a guide frame 26, a fixed frame 27, a drain valve 28, a drum screen 29 and a driving member; the right front side of the trolley 1 is connected to the connecting frame 24; the front and rear sides of the bottom of the connecting frame 24 are rotatably mounted with universal wheels 25, and the universal wheels 25 are used to support the connecting frame 24; the top rear side of the connecting frame 24 is provided with a guide frame 26, and the guide frame 26 is located at the lower right side of the discharge frame 11; the top front side of the connecting frame 24 is provided with a fixed frame 27, and the guide frame 26 is used to guide the duck claws discharged from the discharge frame 11 into the fixed frame 27; the bottom of the fixed frame 27 is provided with a drain Liquid valve 28; a drum screen 29 for swinging duck claws is rotatably arranged in the fixed frame 27; the driving member includes a servo motor 3001, a gear 3002 and a gear ring 3003, a servo motor 3001 is installed on the front side of the bottom of the guide frame 26, the gear 3002 is connected to the output shaft of the servo motor 3001, the gear ring 3003 is connected to the rear side of the drum screen 29, the gear 3002 is meshed with the gear ring 3003, the servo motor 3001 can drive the gear 3002 to drive the gear ring 3003 and the drum screen 29 to rotate, so that the driving member can drive the drum screen 29 to rotate.

[0039] When the duck feet are discharged from the discharge frame 11, the duck feet will fall into the guide frame 26 through the discharge frame 11, and then the guide frame 26 will guide the duck feet into the drum screen 29 in the fixed frame 27, and then the drum screen 29 is driven to rotate by the driving member, so that the drum screen 29 drives the duck feet to swing, so as to throw out the remaining marinade on the duck feet, and the thrown marinade will fall to the inside of the fixed frame 27 for collection, and when the duck feet pass through the swing of the drum screen 29, the duck feet will slide out of the fixed frame 27 for discharge, and finally, when all the duck feet have passed through the fixed frame 27 for discharge, the drum screen 29 is driven to stop rotating by the driving member, and then the drain valve 28 is controlled to open, so as to discharge the marinade collected on the inside of the fixed frame 27, and then the drain valve 28 is controlled to close.

[0040] See also Fig.12 and Fig.13 As shown, it also includes a drying mechanism, which includes an air pump 31 and an air pipe 32; the air pump 31 is arranged on the rear side of the bottom of the material guide frame 26; the air outlet of the air pump 31 is connected to the air pipe 32, and the air pipe 32 is provided with air holes 33 at intervals. The air pump 31 is used to draw air into the air pipe 32, so that the air is blown toward the duck feet through the air holes 33 to air-dry the duck feet.

[0041] When the drum screen 29 drives the duck feet to swing, air can be pumped into the air pipe 32 through the air pump 31, so that the air is evenly blown to the surface of the swinging duck feet through the multiple air holes 33 on the air pipe 32, thereby accelerating the drying process and effectively removing residual marinade.

[0042] See also Figure 1-Figure 10 As shown, the present invention also provides a soaking method of duck feet soaking equipment at low temperature, comprising the following steps: first, lift the counterweight plate 16 so that the covering frame 13 and the counterweight plate 16 no longer cover the soaking barrel 5; then, pour the special marinade into the soaking barrel 5, and then pour the chilled duck feet into the soaking barrel 5 for soaking; then, put the counterweight plate 16 back to its original position so that the covering frame 13 and the counterweight plate 16 cover the soaking barrel 5; then, start the refrigerator 2 and the pressure pump 3, so that the pressure pump 3 pressurizes the cold air generated by the refrigerator 2 and inputs it into the air storage space 4, so that the cold air in the air storage space 4 squeezes the movable rod 7 and enters the soaking barrel 5, thereby forming a continuous bubble flow to drive the deposited marinade components to move, and the duck feet in the soaking barrel 5 are soaked at low temperature; then, wait for the soaking The duck feet in the barrel 5 have completed low-temperature soaking. After the duck feet in the soaking barrel 5 have completed low-temperature soaking, the refrigerator 2 and the pressure pump 3 are turned off; then, the counterweight plate 16 is lifted again, so that the covering frame 13 and the counterweight plate 16 no longer cover the soaking barrel 5; then, the drain basket 10 is driven to rise through the lifting mechanism, so that the drain basket 10 can fish out the duck feet in the soaking barrel 5 and drain the duck feet in the drain basket 10; then, the drain basket 10 is driven to rotate through the tipping mechanism, so that the drain basket 10 pours the duck feet into the discharge frame 11 for discharge; thereafter, the marinade in the soaking barrel 5 is discharged through the discharge mechanism, and then the drain basket 10 is driven to reset by the tipping mechanism and the lifting mechanism; finally, the counterweight plate 16 is put back to its original position again, so that the covering frame 13 and the counterweight plate 16 cover the soaking barrel 5.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-temperature soaking device for soaking duck feet, comprising a trolley (1), characterized in that: The trolley (1) is provided with a refrigerator (2), a booster pump (3) is provided on the refrigerator (2), an air inlet of the booster pump (3) is connected to an air outlet of the refrigeration machine (2), an air storage space (4) is provided on the trolley (1), an air outlet of the booster pump (3) is connected to the air storage space (4), a soaking bucket (5) is provided on the trolley (1), the soaking bucket (5) is located directly above the air storage space (4), through holes (501) are provided at intervals at the bottom of the soaking bucket (5), and a gas storage space (4) is provided on the trolley (1). A discharge mechanism is provided, and the discharge mechanism is used to discharge the brine in the soaking barrel (5). A movable rod (7) is slidably arranged in the through hole (501) of the soaking barrel (5). The top of the movable rod (7) is in a frustum shape. The movable rod (7) is used to block the through hole (501) of the soaking barrel (5). The movable rod (7) is located in the air storage space (4). The air in the air storage space (4) is used to press the movable rod (7) to slide, so as to input air into the soaking barrel (5) to drive the deposited brine components to move. A spring (8) is connected between the rod (7) and the bottom of the soaking bucket (5), and a lifting mechanism is provided on the trolley (1). A drain basket (10) is rotatably provided on the lifting mechanism. The drain basket (10) is located in the soaking bucket (5). The lifting mechanism is used to drive the drain basket (10) to be lifted and lowered so as to remove the duck feet from the soaking bucket (5). A discharge frame (11) is installed on the side of the soaking bucket (5). A dumping mechanism for dumping the drain basket (10) is provided on the lifting mechanism so as to dump the drain basket (10) The duck feet in the soaking bucket (5) are poured into a discharging frame (11) for discharging. A covering frame (13) is provided on the top of the soaking bucket (5). A fixing mechanism for fixing the covering frame (13) is also provided on the top of the soaking bucket (5). An annular sponge block (15) is provided at the bottom of the covering frame (13). The annular sponge block (15) is used to discharge the gas in the soaking bucket (5). A counterweight plate (16) is slidably provided in the covering frame (13). A pressing rod (17) for pressing down the duck feet is provided at intervals at the bottom of the counterweight plate (16).

2. The low-temperature soaking equipment for soaking duck feet according to claim 1, characterized in that: The discharge mechanism comprises a discharge pipe (601) and an electrically controlled valve (602). The discharge pipe (601) is installed on the trolley (1). The discharge pipe (601) is connected to the soaking bucket (5). The discharge pipe (601) is installed with the electrically controlled valve (602).

3. The low-temperature soaking equipment for soaking duck feet according to claim 2, characterized in that: The lifting mechanism comprises a support frame (901), a first electric push rod (902), a connecting plate (903) and a rotating block (904); the support frame (901) is symmetrically mounted on the trolley (1); the first electric push rod (902) is arranged on the support frame (901); the connecting plate (903) is connected to the telescopic rod of the first electric push rod (902); the connecting plate (903) is rotatably provided with a rotating block (904); and the rotating block (904) is connected to the drain basket (10).

4. The low-temperature soaking equipment for soaking duck feet according to claim 3, characterized in that: The tipping mechanism comprises a second electric push rod (1201), a limit block (1202), a third electric push rod (1203) and a clamping block (1204); the second electric push rod (1201) is rotatably mounted on the support frame (901); the limit block (1202) is provided on the support frame (901); the limit block (1202) is used to limit the position of the second electric push rod (1201); the third electric push rod (1203) is connected to the telescopic rod of the second electric push rod (1201); and the clamping block (1204) for clamping the drain basket (10) is connected to the telescopic rod of the third electric push rod (1203).

5. The low-temperature soaking equipment for soaking duck feet according to claim 4, characterized in that: The fixing mechanism comprises an electromagnet (1401) and an iron block (1402); the electromagnet (1401) is mounted on the connecting plate (903); the iron block (1402) is symmetrically arranged on the covering frame (13); and the electromagnet (1401) is used to absorb the iron block (1402) to fix the covering frame (13).

6. The low-temperature soaking equipment for soaking duck feet according to claim 5, characterized in that: The invention also comprises a drying mechanism, which comprises a connecting frame (24), a universal wheel (25), a material guide frame (26), a fixed frame (27), a liquid discharge valve (28), a drum screen (29) and a driving member. The trolley (1) is connected to the connecting frame (24), the bottom of the connecting frame (24) is rotatably mounted with a universal wheel (25), the connecting frame (24) is provided with a material guide frame (26) and a fixed frame (27), the material guide frame (26) is used to guide the duck feet discharged from the material discharge frame (11) into the fixed frame (27), the bottom of the fixed frame (27) is provided with a liquid discharge valve (28), a drum screen (29) for shaking the duck feet is rotatably provided in the fixed frame (27), and a driving member for driving the drum screen (29) to rotate is provided on the connecting frame (24).

7. The low-temperature soaking equipment for soaking duck feet according to claim 6, characterized in that: The driving member comprises a servo motor (3001), a gear (3002) and a gear ring (3003); the servo motor (3001) is mounted on the material guide frame (26); the gear (3002) is connected to the output shaft of the servo motor (3001); the gear ring (3003) is connected to the drum screen (29); and the gear (3002) is meshed with the gear ring (3003).

8. The low-temperature soaking equipment for soaking duck feet according to claim 7, characterized in that: The invention also comprises an air-drying mechanism, which comprises an air pump (31) and an air pipe (32). The material guide frame (26) is further provided with the air pump (31), the air outlet of the air pump (31) is connected to the air pipe (32), and the air pipe (32) is provided with air holes (33) at intervals. The air pump (31) is used to draw air into the air pipe (32), so that the air is blown toward the duck feet through the air holes (33) to air-dry the duck feet.

9. A soaking method for soaking duck feet in a low-temperature soaking device according to any one of claims 1 to 8, characterized in that: The method comprises the following steps: first, lifting the counterweight plate (16) so that the covering frame (13) and the counterweight plate (16) no longer cover the soaking barrel (5); then, pouring a specially prepared marinade into the soaking barrel (5), and then pouring the chilled duck feet into the soaking barrel (5) for soaking; then, returning the counterweight plate (16) to its original position so that the covering frame (13) and the counterweight plate (16) cover the soaking barrel (5); then, starting the refrigerator (2) and the pressure pump (3) so that the pressure pump (3) pressurizes the cold air generated by the refrigerator (2) and inputs it into the air storage space (4), so that the cold air in the air storage space (4) pushes the movable rod (7) open and enters the soaking barrel (5), thereby forming a continuous bubble flow to drive the deposited marinade components to move, and low-temperature soaking the duck feet in the soaking barrel (5); then, waiting for the duck feet in the soaking barrel (5) to complete the low-temperature soaking, and then, After the duck feet in the soaking barrel (5) have completed low-temperature soaking, the refrigerator (2) and the pressure pump (3) are turned off; then, the counterweight plate (16) is lifted again so that the covering frame (13) and the counterweight plate (16) no longer cover the soaking barrel (5); then, the drain basket (10) is driven to rise by the lifting mechanism so that the drain basket (10) takes out the duck feet in the soaking barrel (5) and drains the duck feet in the drain basket (10); then, the drain basket (10) is driven to rotate by the tipping mechanism so that the drain basket (10) pours the duck feet into the discharge frame (11) for discharge; then, the marinade in the soaking barrel (5) is discharged by the discharge mechanism, and the drain basket (10) is driven to reset by the tipping mechanism and the lifting mechanism; finally, the counterweight plate (16) is returned to its original position so that the covering frame (13) and the counterweight plate (16) cover the soaking barrel (5).

Images