Pickling device and technology for marinated egg production

Abstract

The invention belongs to the technical field of marinated egg pickling equipment, and particularly relates to a pickling device for marinated egg production, which comprises a pickling barrel with an opening at one end, and a barrel cover corresponding to the opening of the pickling barrel is slidably connected to the pickling barrel along the axial direction; a charging pipe is arranged on the barrel cover, and a discharging pipe is arranged on the pickling barrel; a supporting frame is fixedly connected to the barrel cover, and a supporting plate corresponding to the supporting frame is arranged in the pickling barrel; a plurality of placing frames are connected to the supporting frame in a sliding mode, and a lifting device for driving the placing frames to move from top to bottom and from bottom to top in a reciprocating mode is arranged on the can cover; a mixing device is arranged in the pickling barrel, and the mixing device is arranged below the supporting plate; a circulating device is also arranged on the pickling barrel, and can convey marinade from the bottom of the pickling barrel to the top of the pickling barrel for circulation; the pickling device for marinated egg production effectively solves the problem that marinated eggs are easy to accumulate when an existing pickling device for marinated egg production is used. And accumulation is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of salted egg pickling equipment, and specifically relates to a salting device and process for salted egg production. Background Art

[0002] Marinated Egg, also known as Marinated Egg, is a cooked egg processed with various seasonings or gravy. Marinated Egg is a popular food among the poultry and egg products sold in delicatessens and is widely welcomed by the people.

[0003] When pickling eggs, the process flow is as follows: fresh eggs → selection → cleaning → pre-cooking → cooling → peeling → adding water to marinate (adding marinade) → marinating → removing and draining → vacuum packaging → high-pressure sterilization; when pickling, immerse the cooked eggs in the marinade at room temperature for 75 minutes. Note that when soaking, make sure the marinade liquid is higher than the surface of the eggs to allow the sauce and marinade to penetrate into the eggs more fully.

[0004] When pickling the braised eggs, they are pickled by a corresponding pickling device. However, the existing pickling device has the following technical problems when in use: a large number of braised eggs are accumulated in the pickling barrel, so that most of the braised eggs cannot be fully contacted with the marinade during the pickling process; especially during the pickling process, if the marinade precipitates, it is easy to cause the pickling conditions of the braised eggs at various positions in the pickling barrel to be different, affecting the pickling effect of the braised eggs. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a pickling device and process for producing braised eggs, which effectively solves the problem that the braised eggs are easily piled up when the existing pickling device for producing braised eggs is in use.

[0006] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a pickling device for producing marinated eggs, comprising a pickling barrel with an opening at one end, a barrel cover corresponding to the opening of the pickling barrel being axially slidably connected to the pickling barrel; a feeding pipe is provided on the barrel cover, and a discharge pipe is provided on the pickling barrel; a support frame is fixedly connected to the barrel cover, and a support plate corresponding to the support frame is provided in the pickling barrel; a plurality of placement frames are slidably connected to the support frame, and a lifting device is provided on the barrel cover for driving the plurality of placement frames to reciprocate from top to bottom and from bottom to top in sequence; a mixing device is provided in the pickling barrel, and the mixing device is provided below the support plate; a circulation device is also provided on the pickling barrel, and the circulation device can transport the marinade from the bottom of the pickling barrel to the top of the pickling barrel for circulation.

[0007] Furthermore, a lifting motor is fixedly connected to the pickling barrel, a screw is fixedly connected to the output end of the lifting motor, and a threaded cylinder threadedly connected to the screw is fixedly connected to the barrel cover; a sliding rod is fixedly connected to the pickling barrel, and a sliding cylinder slidably connected to the sliding rod is fixedly connected to the barrel cover.

[0008] Furthermore, the lifting device includes a driving chamber fixed to the barrel cover, and a driving motor is fixed to the driving chamber; an output end of the driving motor is connected to an incomplete gear, and a plurality of driving wheels corresponding to the incomplete gears are evenly distributed along the circumference in the driving chamber, and the plurality of driving wheels are rotatably connected to the driving chamber; the plurality of driving wheels are coaxially fixed with an active limit plate, and the incomplete gear is coaxially fixed with a driven limit plate.

[0009] Furthermore, multiple driving wheels are coaxially fixed with a driving bevel gear, and a driven bevel gear is meshed on the driving bevel gear; the driven bevel gear is coaxially fixed with a crank, and a connecting rod is rotatably connected to the crank; multiple placement frames are fixed with a connecting frame, and multiple connecting rods are rotatably connected to corresponding connecting frames respectively, and the crank, connecting rod and connecting frame constitute a crank-connecting rod mechanism that drives the placement frame to slide along the support frame.

[0010] Furthermore, the placement frame includes an inner tube fixedly connected to the connecting frame, and a supporting net is fixedly connected to the inner tube; an outer tube is fixedly connected to the outer periphery of the supporting net, and a plurality of partitions are evenly distributed along the circumference of the supporting net, and the two ends of the plurality of partitions are respectively fixedly connected to the inner tube and the outer tube, and through holes are evenly distributed on the outer tube, the supporting net and the partitions; a connecting groove is provided at one end of the outer tube, and a connecting tube matching the connecting groove is provided at the other end of the outer tube.

[0011] Furthermore, the support frame includes a guide rod fixed to the barrel cover, and a sliding seat slidably connected to the guide rod is fixed to the outer wall of the outer cylinder; the guide rod is fixed to a bottom plate at one end away from the barrel cover, and a support corresponding to the support net of the lowest placement frame is fixed on the bottom plate, and a mounting seat corresponding to the inner cylinder is fixed on the support; the barrel cover is provided with a limiting cylinder corresponding to the inner cylinder of the uppermost placement frame, and a support column corresponding to the sliding seat is fixed on the bottom plate.

[0012] Furthermore, the inner wall of the pickling barrel is provided with a spiral guide plate corresponding to the placement frame, and the spiral guide plate is evenly distributed with perforations; the support plate is evenly distributed with multiple side holes along the circumference, and multiple side holes are arranged on the outside of the bottom plate; the bottom plate is evenly distributed with middle holes, and the support plate is provided with connecting holes corresponding to the middle holes.

[0013] Furthermore, the mixing device comprises a mixing motor fixedly connected to the pickling barrel, an output end of the mixing motor is fixedly connected to a stirring shaft, and a stirring paddle is fixedly connected to the stirring shaft.

[0014] Furthermore, the circulation device includes a circulation pump fixedly connected to the barrel cover, one end of the circulation pump is connected to an input pipe connected to the bottom of the pickling barrel, and the other end of the circulation pump is connected to an output pipe connected to the barrel cover.

[0015] A pickling process for producing marinated eggs comprises the following steps: S1, making the barrel cover rise along the pickling barrel, and the barrel cover drives multiple placement frames to rise synchronously through the support frame and the lifting device; S2, driving the plurality of placement frames to move up and down in sequence by means of a lifting device, and the user sequentially places the marinated eggs into the plurality of placement frames; S3, lowering the barrel cover, moving the multiple placement frames and the marinated eggs therein into the pickling barrel, and closing the barrel cover on the pickling barrel; S4, adding the marinade into the pickling barrel, mixing the marinade in the pickling barrel by a mixing device, conveying the marinade from the bottom of the pickling barrel to the top of the pickling barrel for circulation by a circulation device, and driving the plurality of placement frames to move up and down in sequence by a lifting device to pickle the marinated eggs.

[0016] Compared with the prior art, the present invention has the following beneficial effects: When the present invention is in use, through the arrangement of a mixing device, a circulation device, a lifting device, a placement frame, etc., the mixing device is used to mix the marinade in the pickling barrel to improve the uniformity of the marinade; the circulation device is used to transport the marinade from the bottom of the pickling barrel to the top of the pickling barrel for circulation, so that the concentration of the marinade in various parts of the pickling barrel is consistent, thereby improving the pickling effect of the marinated eggs in various parts of the pickling barrel; in addition, the lifting device can also be used to drive the multiple placement frames to move up and down in sequence, thereby further improving the fluidity of the marinade between the multiple placement frames, which can effectively avoid the accumulation of the marinated eggs and improve the pickling effect of the present application on the marinated eggs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 is a cross-sectional view of the present invention; Figure 3 A first axonometric view of the internal structure of the present invention; Figure 4 is a second axonometric view of the internal structure of the present invention; Figure 5 It is a schematic diagram of the coordination state of the lifting device, outer cylinder, barrel cover, bottom plate and other structures in the present invention; Figure 6 It is a schematic diagram of the coordination state of the lifting device, the outer cylinder and other structures in the present invention; Figure 7 For the present invention Figure 6 A magnified schematic diagram of the middle A area; Figure 8 It is a structural schematic diagram of the placement frame in the present invention; Fig. 9 It is a schematic diagram of the coordination state of the bottom plate, the barrel cover, the guide rod and other structures in the present invention; In the figure: 1. lifting motor, 2. screw, 3. pickling barrel, 4. threaded barrel, 5. barrel cover, 6. drive chamber, 7. drive motor, 8. circulation pump, 9. input pipe, 10. support leg, 11. mixing motor, 12. stirring paddle, 13. slide barrel, 14. slide rod, 15. spiral guide plate, 16. support plate, 17. outer barrel, 18. lifting device, 19. bottom plate, 20. support, 21. guide rod, 22. limit barrel , 23, perforation, 24, side hole, 25, middle hole, 26, center tube, 27, partition, 28, connecting groove, 29, sliding seat, 30, connecting frame, 31, incomplete gear, 32, driving wheel, 33, active limit plate, 34, driven limit plate, 35, active bevel gear, 36, driven bevel gear, 37, crank, 38, connecting rod, 39, support net, 40, connecting tube, 41, mounting seat, 42, support column. DETAILED DESCRIPTION

[0018] A pickling device for producing salted eggs, such as Figure 1-9 As shown, it comprises a pickling barrel 3 with an opening at one end, and a barrel cover 5 corresponding to the opening of the pickling barrel 3 is axially slidably connected to the pickling barrel 3; a feeding pipe is provided on the barrel cover 5, and a discharge pipe is provided on the pickling barrel 3, and a valve is provided on the discharge pipe; a support leg 10 is fixedly connected to the pickling barrel 3, and a fixed disk is fixedly connected to the support leg 10, and a fixing hole is provided on the fixed disk; a support frame is fixedly connected to the barrel cover 5, and a support plate 16 corresponding to the support frame is provided in the pickling barrel 3; a plurality of placement frames are slidably connected to the support frame, and a lifting device 18 is provided on the barrel cover 5 for driving the plurality of placement frames to reciprocate from top to bottom and from bottom to top in sequence; a mixing device is provided in the pickling barrel 3, and the mixing device is arranged below the support plate 16; a circulation device is also provided on the pickling barrel 3, and the circulation device can transport the marinade from the bottom of the pickling barrel 3 to the top of the pickling barrel 3 for circulation, and a heater (not shown in the figure) is provided in the pickling barrel 3, and the marinade is heated by the heater.

[0019] When the present invention is in use, the barrel cover 5 is raised along the pickling barrel 3, and the barrel cover 5 drives the multiple placement frames to rise to the lowest placement frame through the support frame and the lifting device 18 and move out of the pickling barrel 3; the lifting device 18 drives the multiple placement frames to move up and down in sequence, and the user puts the marinated eggs into the multiple placement frames in sequence, which is convenient for the user to place the marinated eggs, thereby improving the convenience of the present application; during pickling, the marinade is added into the pickling barrel 3, and the barrel cover 5 is lowered, and the multiple placement frames and the marinated eggs therein are moved into the pickling barrel 3, and the barrel cover 5 seals the pickling barrel 3; the marinade in the pickling barrel 3 is mixed by the mixing device to improve the uniformity of the marinade; the marinade is transported from the bottom of the pickling barrel 3 to the top of the pickling barrel 3 by the circulation device for circulation, so that the concentration of the marinade at various places in the pickling barrel 3 is consistent, thereby improving the pickling effect of the marinated eggs at various places in the pickling barrel 3; in addition, the lifting device 18 can also be used to drive the multiple placement frames to move up and down in sequence, thereby further improving the fluidity of the marinade between the multiple placement frames, thereby effectively avoiding the accumulation of the marinated eggs, thereby improving the pickling effect of the present application on the marinated eggs.

[0020] Furthermore, if Figure 1 and Figure 2 As shown, the pickling barrel 3 is fixedly connected with a lifting motor 1, the output end of the lifting motor 1 is fixedly connected with a screw rod 2, and the barrel cover 5 is fixedly connected with a threaded cylinder 4 threadedly connected to the screw rod 2; the pickling barrel 3 is fixedly connected with a sliding rod 14, and the barrel cover 5 is fixedly connected with a sliding cylinder 13 slidably connected to the sliding rod 14.

[0021] When the barrel cover 5 is lifted up and down, the lifting motor 1 is started, and the lifting motor 1 drives the screw 2 to rotate, and the screw 2 drives the barrel cover 5 to lift up and down through the threaded cylinder 4. The sliding rod 14 cooperates with the sliding cylinder 13 to guide the barrel cover 5 that is lifted up and down, thereby improving the stability of the movement of the barrel cover 5.

[0022] Furthermore, if Figure 5-7 As shown, the lifting device 18 includes a driving chamber 6 fixed to the barrel cover 5, and a driving motor 7 is fixed to the driving chamber 6; an incomplete gear 31 is connected to the output end of the driving motor 7, and a plurality of driving wheels 32 corresponding to the incomplete gear 31 are evenly distributed along the circumference in the driving chamber 6, and the plurality of driving wheels 32 are rotatably connected to the driving chamber 6; the plurality of driving wheels 32 are coaxially fixed with an active limit plate 33, and the incomplete gear 31 is coaxially fixed with a driven limit plate 34; the plurality of driving wheels 32 are coaxially fixed with an active bevel gear 35, and a driven bevel gear 36 is meshed on the active bevel gear 35; the driven bevel gear 36 is coaxially fixed with a crank 37, and a connecting rod 38 is rotatably connected to the crank 37; the plurality of placement frames are fixed with a connecting frame 30, and the plurality of connecting rods 38 are rotatably connected to the corresponding connecting frames 30, respectively, and the crank 37, the connecting rod 38, and the connecting frame 30 constitute a crank 37 connecting rod mechanism that drives the placement frame to slide along the support frame.

[0023] When the lifting device 18 is in use, the driving motor 7 is started, and the driving motor 7 drives the incomplete gear 31 to rotate, and the incomplete gear 31 drives multiple driving wheels 32 to rotate in turn; the driving wheel 32 is limited by cooperating with the active limit plate 33 and the driven limit plate 34 to improve the stability of the driving wheel 32; when the driving wheel 32 rotates, it drives the active bevel gear 35 to rotate, the active bevel gear 35 drives the driven bevel gear 36 to rotate, and the driven bevel gear 36 drives the crank 37 to rotate, and the crank 37 cooperates with the connecting rod 38 to drive the connecting frame 30 to rise and fall, and the connecting frame 30 drives the placement frame to slide up and down along the support frame.

[0024] By making the driving motor 7 rotate counterclockwise for one turn and then clockwise for one turn, as shown in FIG. Figure 6 and Figure 7 As shown, at this time, the downward movement of the lowest placement frame is completed, and the incomplete gear 31 continues to rotate counterclockwise 90 degrees, thereby driving the second placement frame from the bottom to the top to move downward, and then the placement frames move downward in sequence; when all the placement frames move downward, the driving motor 7 drives the incomplete gear 31 to rotate clockwise, and then drives the placement frames to move upward in sequence from top to bottom, and so on and so forth, which can effectively improve the fluidity of the marinade between multiple placement frames, that is, improve the fluidity of the marinade between the marinated eggs, and improve the pickling effect of the marinated eggs.

[0025] Furthermore, if Figure 8 As shown, the placement frame includes an inner cylinder 26 fixedly connected to the connecting frame 30, and a supporting net 39 is fixedly connected to the inner cylinder 26; the outer periphery of the supporting net 39 is fixedly connected to the outer cylinder 17, and a plurality of partitions 27 are evenly distributed along the circumference of the supporting net 39, and the two ends of the plurality of partitions 27 are respectively fixedly connected to the inner cylinder 26 and the outer cylinder 17, and through holes are evenly distributed on the outer cylinder 17, the supporting net 39, and the partitions 27; one end of the outer cylinder 17 is provided with a connecting groove 28, and the other end of the outer cylinder 17 is provided with a connecting cylinder 40 that cooperates with the connecting groove 28.

[0026] The placement frame is divided into multiple areas by the inner cylinder 26, the outer cylinder 17, the support net 39, and the partition 27, and the marinated eggs in the placement frame are pickled separately, which can effectively avoid the accumulation of a large number of marinated eggs and affect the pickling effect of the marinated eggs; the connection groove 28 cooperates with the connecting cylinder 40 to improve the connection stability of adjacent placement frames; and the through hole is set to facilitate the flow of marinade.

[0027] Furthermore, if Fig. 9As shown, the support frame includes a guide rod 21 fixed to the barrel cover 5, a sliding seat 29 slidably connected to the guide rod 21 is fixed to the outer wall of the outer cylinder 17, and the placement frame slides along the guide rod 21 through the sliding seat 29 on the outer cylinder 17; the end of the guide rod 21 away from the barrel cover 5 is fixed to the bottom plate 19, and the bottom plate 19 is fixed with a support 20 corresponding to the support net 39 of the bottom placement frame, and the support 20 is fixed with a mounting seat 41 corresponding to the inner cylinder 26; the bottom placement frame is supported by the bottom plate 19 and the support 20 and the mounting seat 41 thereon, so that the bottom There is a gap between the square placement frame and the bottom plate 19, so that the marinade in the lowest placement frame can flow through the support net 39 of the placement frame and the bottom plate 19, thereby improving the flow effect of the marinade; the barrel cover 5 is provided with a limiting cylinder 22 corresponding to the inner cylinder 26 of the top placement frame, and the bottom plate 19 is fixedly connected with a support column 42 corresponding to the sliding seat 29; the top placement frame is limited by the limiting cylinder 22, so that there is a gap between the top placement frame and the barrel cover 5, so that the height of the marinade can exceed the top placement frame, so that the marinated eggs can be immersed in the marinade for pickling.

[0028] Furthermore, the inner wall of the pickling barrel 3 is provided with a spiral guide plate 15 corresponding to the placement frame, and the spiral guide plate 15 is evenly distributed with perforations 23; the marinade is guided by the spiral guide plate 15, so that the marinade moves in a spiral in the pickling barrel 3, thereby improving the effect of the marinade in the pickling barrel 3 contacting the marinated eggs in the placement frame; a plurality of side holes 24 are evenly distributed along the circumference of the support plate 16, and a plurality of the side holes 24 are arranged on the outer side of the bottom plate 19; the bottom plate 19 is evenly distributed with middle holes 25, and the support plate 16 is provided with connecting holes corresponding to the middle holes 25; when the marinade above the support plate 16 moves to the bottom of the support plate 16, it can flow into the bottom of the support plate 16 through the side holes 24 on the support plate 16, and can also flow into the bottom of the support plate 16 through the middle holes 25 on the bottom plate 19 and the connecting holes on the support plate 16, so that the marinade flowing downward from the support net 39 on the placement frame has a variety of flow paths, thereby improving the flow effect of the marinade.

[0029] Furthermore, if Figure 2 and Figure 4 As shown, the mixing device includes a mixing motor 11 fixedly connected to the pickling barrel 3, the output end of the mixing motor 11 is fixedly connected to a stirring shaft, and a stirring paddle 12 is fixedly connected to the stirring shaft; the marinade is stirred by the cooperation of the mixing motor 11, the stirring shaft and the stirring paddle 12 to improve the uniformity of the marinade.

[0030] Furthermore, if Figure 1As shown, the circulation device includes a circulation pump 8 fixedly connected to the barrel cover 5, one end of the circulation pump 8 is connected to an input pipe 9 connected to the bottom of the pickling barrel 3, the input pipe 9 is a hose, and the other end of the circulation pump 8 is connected to an output pipe connected to the barrel cover 5; the circulation pump 8 drives the brine at the bottom of the pickling barrel 3 to flow to the output pipe through the input pipe 9, flows to the barrel cover 5 through the output pipe, and flows into the top of the pickling barrel 3 through the barrel cover 5, thereby realizing the circulation of the brine and improving the uniformity of the brine in various parts of the pickling barrel 3.

[0031] A pickling process for producing marinated eggs comprises the following steps: S1, start the lifting motor 1, the lifting motor 1 drives the screw 2 to rotate, the screw 2 drives the barrel cover 5 to rise through the threaded tube 4, the barrel cover 5 is guided by the slide rod 14 and the slide tube 13, so that the barrel cover 5 rises along the pickling barrel 3, and the barrel cover 5 drives multiple placement frames to rise synchronously through the support frame and the lifting device 18; S2, start the driving motor 7, the driving motor 7 drives the incomplete gear 31 to rotate, the incomplete gear 31 in turn drives the multiple driving wheels 32 to rotate; the driving wheel 32 drives the active bevel gear 35 to rotate, the active bevel gear 35 drives the driven bevel gear 36 to rotate, the driven bevel gear 36 drives the crank 37 to rotate, the crank 37 cooperates with the connecting rod 38 to drive the connecting frame 30 to descend, and the connecting frame 30 drives the placement frame to slide along the support frame; Figure 6 As shown, the user can now place the braised eggs into the bottom placement frame; at this time, continue to rotate the incomplete gear 31 counterclockwise by 90 degrees, thereby driving the second placement frame from the bottom to the top to move downward, and then causing the placement frames to move downward in turn, and the user places the braised eggs into each placement frame in turn.

[0032] S3, start the lifting motor 1 again to lower the barrel cover 5, move the multiple placement frames and the marinated eggs therein into the pickling barrel 3, and close the barrel cover 5 to the pickling barrel 3; S4. Add the marinade into the pickling barrel 3 through the feeding pipe, start the mixing motor 11, the mixing motor 11 drives the stirring shaft and the stirring paddle 12 to rotate, mix the marinade in the pickling barrel 3, and improve the uniformity of the marinade; start the circulation pump 8, the circulation pump 8 drives the marinade at the bottom of the pickling barrel 3 to flow to the output pipe through the input pipe 9, flows to the barrel cover 5 through the output pipe, and flows into the top of the pickling barrel 3 through the barrel cover 5, so as to realize the circulation of the marinade and improve the uniformity of the marinade in various places of the pickling barrel 3.

[0033] Start the drive motor 7, and make the drive motor 7 rotate counterclockwise for one circle and then clockwise for one circle. Figure 6 and Figure 7As shown, at this time, the downward movement of the lowest placement frame is completed, and the incomplete gear 31 continues to rotate counterclockwise 90 degrees, thereby driving the second placement frame from the bottom to the top to move downward, and then the placement frames move downward in sequence; when all the placement frames move downward, the driving motor 7 drives the incomplete gear 31 to rotate clockwise, and then drives the placement frames to move upward in sequence from top to bottom, and so on and so forth, which can effectively improve the fluidity of the marinade between multiple placement frames, that is, improve the fluidity of the marinade between the marinated eggs, and improve the pickling effect of the marinated eggs.

Claims

1. A pickling device for producing salted eggs, characterized in that: The pickling barrel (3) comprises an opening at one end, a barrel cover (5) corresponding to the opening of the pickling barrel (3) being slidably connected to the pickling barrel (3) along the axial direction; a feeding pipe is provided on the barrel cover (5), and a discharge pipe is provided on the pickling barrel (3); a support frame is fixedly connected to the barrel cover (5), and a support plate (16) corresponding to the support frame is provided in the pickling barrel (3); a plurality of placement frames are slidably connected to the support frame, and a lifting device (18) is provided on the barrel cover (5) for driving the plurality of placement frames to reciprocate from top to bottom and from bottom to top in sequence; a mixing device is provided in the pickling barrel (3), and the mixing device is provided below the support plate (16); and a circulation device is also provided on the pickling barrel (3), and the circulation device can transport marinade from the bottom of the pickling barrel (3) to the top of the pickling barrel (3) for circulation.

2. The pickling device for producing marinated eggs according to claim 1, characterized in that: The pickling barrel (3) is fixedly connected to a lifting motor (1), the output end of the lifting motor (1) is fixedly connected to a screw rod (2), and the barrel cover (5) is fixedly connected to a threaded barrel (4) threadedly connected to the screw rod (2); the pickling barrel (3) is fixedly connected to a sliding rod (14), and the barrel cover (5) is fixedly connected to a sliding barrel (13) slidably connected to the sliding rod (14).

3. The pickling device for producing marinated eggs according to claim 1, characterized in that: The lifting device (18) comprises a driving chamber (6) fixedly connected to the barrel cover (5), and a driving motor (7) is fixedly connected to the driving chamber (6); an output end of the driving motor (7) is connected to an incomplete gear (31), and a plurality of driving wheels (32) corresponding to the incomplete gear (31) are evenly distributed along the circumference of the driving chamber (6), and the plurality of driving wheels (32) are rotatably connected to the driving chamber (6); the plurality of driving wheels (32) are coaxially fixedly connected to an active limit plate (33), and the incomplete gear (31) is coaxially fixedly connected to a driven limit plate (34).

4. The pickling device for producing marinated eggs as claimed in claim 3, characterized in that: The plurality of driving wheels (32) are coaxially fixedly connected to a driving bevel gear (35), and a driven bevel gear (36) is meshed on the driving bevel gear (35); the driven bevel gear (36) is coaxially fixedly connected to a crank (37), and a connecting rod (38) is rotatably connected to the crank (37); the plurality of placement frames are fixedly connected to a connecting frame (30), and the plurality of connecting rods (38) are rotatably connected to corresponding connecting frames (30), respectively; the crank (37), the connecting rod (38), and the connecting frame (30) form a crank (37) connecting rod mechanism that drives the placement frame to slide along the support frame.

5. The pickling device for producing marinated eggs as claimed in claim 4, characterized in that: The placement frame comprises an inner cylinder (26) fixedly connected to a connecting frame (30), a supporting net (39) fixedly connected to the inner cylinder (26); an outer cylinder (17) fixedly connected to the outer periphery of the supporting net (39), a plurality of partitions (27) evenly distributed along the circumference of the supporting net (39), two ends of the plurality of partitions (27) respectively fixedly connected to the inner cylinder (26) and the outer cylinder (17), the outer cylinder (17), the supporting net (39), and the partitions (27) evenly distributed with through holes; a connecting groove (28) is provided at one end of the outer cylinder (17), and a connecting cylinder (40) matched with the connecting groove (28) is provided at the other end of the outer cylinder (17).

6. The pickling device for producing marinated eggs as claimed in claim 5, characterized in that: The support frame comprises a guide rod (21) fixedly connected to the barrel cover (5); a sliding seat (29) slidably connected to the guide rod (21) is fixedly connected to the outer wall of the outer cylinder (17); a bottom plate (19) is fixedly connected to one end of the guide rod (21) away from the barrel cover (5); a support seat (20) corresponding to the support net (39) of the lowermost placement frame is fixedly connected to the bottom plate (19); a mounting seat (41) corresponding to the inner cylinder (26) is fixedly connected to the support seat (20); a limiting cylinder (22) corresponding to the inner cylinder (26) of the uppermost placement frame is provided on the barrel cover (5); and a support column (42) corresponding to the sliding seat (29) is fixedly connected to the bottom plate (19).

7. The pickling device for producing marinated eggs as claimed in claim 1, characterized in that: The inner wall of the pickling barrel (3) is provided with a spiral guide plate (15) corresponding to the placement frame, and the spiral guide plate (15) is evenly distributed with perforations (23); the support plate (16) is evenly distributed with a plurality of side holes (24) along the circumference, and the plurality of side holes (24) are arranged on the outside of the bottom plate (19); the bottom plate (19) is evenly distributed with middle holes (25), and the support plate (16) is provided with connection holes corresponding to the middle holes (25).

8. The pickling device for producing marinated eggs as claimed in claim 7, characterized in that: The mixing device comprises a mixing motor (11) fixedly connected to the pickling barrel (3); an output end of the mixing motor (11) is fixedly connected to a stirring shaft, and a stirring paddle (12) is fixedly connected to the stirring shaft.

9. The pickling device for producing marinated eggs as claimed in claim 8, characterized in that: The circulation device comprises a circulation pump (8) fixedly connected to the barrel cover (5); one end of the circulation pump (8) is connected to an input pipe (9) communicating with the bottom of the pickling barrel (3); and the other end of the circulation pump (8) is connected to an output pipe connected to the barrel cover (5).

10. A pickling process for producing marinated eggs according to any one of claims 1 to 9, characterized in that: The steps include: S1, raising the barrel cover (5) along the pickling barrel (3), and the barrel cover (5) drives the multiple placement frames to rise synchronously through the support frame and the lifting device (18); S2, driving the plurality of placement frames to move up and down in sequence by means of the lifting device (18), and the user sequentially places the marinated eggs into the plurality of placement frames; S3, lowering the barrel cover (5), moving the plurality of placement frames and the marinated eggs therein into the pickling barrel (3), and closing the pickling barrel (3) with the barrel cover (5); S4, adding marinade into the pickling barrel (3), mixing the marinade in the pickling barrel (3) by means of a mixing device, conveying the marinade from the bottom of the pickling barrel (3) to the top of the pickling barrel (3) by means of a circulation device for circulation, and driving the plurality of placement frames to move up and down in sequence by means of a lifting device (18), thereby pickling the marinated eggs.

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