Wild jujube freezing fleshing device

The spiral feeding system and liquid nitrogen spray head of the jujube freezing and meat removal device are quickly frozen, and the flesh separation mechanism is used to achieve flesh separation, which solves the problems of low efficiency of jujube flesh separation, high labor intensity and high water resource consumption in the prior art, and achieves high-effect meat separation and water resource conservation effects.

CN222982403UActive Publication Date: 2025-06-17HEBEI AGRI MECHANIZATION INST CO LTD +1
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Patent Information

Application Number
CN202421599782.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-06-17
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

The existing jujube pulp separation methods are inefficient, have high labor intensity, high water resources consumption and strict environmental pollution, resulting in poor separation effect and low recovery rate.

Method used

A jujube freezing and meat removal device was designed, and the jujube was quickly frozen using a spiral feeding system and a liquid nitrogen spray head. Then, the jujube was efficiently separated by a flesh separation mechanism, including a screen cylinder, a stirring shaft and a scraper mechanism.

Benefits of technology

It realizes efficient separation of jujube pulp, reduces the intensity of artificial labor, saves water resources, avoids environmental pollution, and improves the recovery rate of pulp.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wild jujube freezing and fleshing device, which belongs to the technical field of food processing devices and comprises a spiral feeding system capable of freezing wild jujubes. The side surface of the spiral feeding system is connected with a liquid nitrogen spray head which is used for introducing liquid nitrogen into the spiral feeding system, freezing wild jujubes and facilitating pulp separation; a feeding hopper is mounted at the top of the spiral feeding system; the lower part of the spiral feeding system is connected with a pulp separating mechanism for separating the pulp of the frozen wild jujube; according to the wild jujube freezing fleshing device, efficient pulp separation of wild jujubes can be achieved, the labor intensity of workers is reduced, water resources are saved, and pollution to the environment is avoided.
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Description

Technical Field

[0001] The utility model specifically relates to a jujube freezing and de - fleshing device, belonging to the technical field of food processing devices. Background Art

[0002] The pericarp of wild jujube is red or purplish - red, the flesh is thin, loose, and tastes sour and sweet; wild jujube has high nutritional value and also has medicinal value; as a food, the flesh - removed jujube kernel is still a Chinese medicinal material.

[0003] The traditional method for separating the flesh from wild jujube is as follows: the washed wild jujubes are placed on the workbench and kneaded manually repeatedly to separate the flesh from the jujube stones. After separation, a large amount of water is needed for cleaning; however, the cleaning water with paste - like flesh cannot be solid - liquid separated and is mostly directly discharged; this method not only wastes a lot of manpower and time, has low efficiency, but also has poor flesh separation effect of wild jujube, low flesh recovery rate, large water consumption, and causes certain pollution to the environment. Therefore, in order to solve the above problems, it is urgent to propose a new wild jujube freezing and de - fleshing device. Summary of the Utility Model

[0004] To solve the above problems, the utility model proposes a wild jujube freezing and de - fleshing device, which can achieve high - efficiency flesh separation of wild jujube, reduce the labor intensity of workers, save water resources, and avoid environmental pollution.

[0005] The wild jujube freezing and de - fleshing device of the utility model includes a spiral feeding system capable of quickly freezing wild jujubes; a liquid nitrogen nozzle is connected to the side of the spiral feeding system, which is used to introduce liquid nitrogen into the spiral feeding system and freeze the wild jujubes to facilitate flesh separation; a feeding funnel is installed at the top of the spiral feeding system; a flesh separation mechanism is connected below the spiral feeding system for separating the flesh from the frozen wild jujubes.

[0006] Further, the liquid nitrogen nozzle includes a liquid nitrogen injection port arranged inside the spiral feeding system; one end of the liquid nitrogen nozzle extending to the outside of the spiral feeding system, and the liquid nitrogen nozzle is connected to a liquid nitrogen tank through a pipeline; an opening - closing valve is arranged on the liquid nitrogen tank.

[0007] Further, the flesh separation mechanism includes a frame, a receiving cylinder inclined above the frame, and a sieve cylinder penetrating through the receiving cylinder; one end of the sieve cylinder extends to the outside of the receiving cylinder and is flange - connected to the spiral feeding system through a sieve cylinder feed pipe; a sieve cylinder end cover is installed at the other end of the sieve cylinder; a plurality of sieve holes are evenly distributed on the outer wall of the sieve cylinder located inside the receiving cylinder; an adaptive scraping plate mechanism is arranged inside the sieve cylinder for stirring the wild jujubes entering the sieve cylinder, so that the wild jujubes rub against the sieve holes, thereby separating the flesh.

[0008] Furthermore, the adaptive scraper mechanism includes a stirring shaft movably installed inside the screen drum, stirring blades evenly distributed on the periphery of the stirring shaft, and a scraper movably arranged at the outer end of the stirring blade; the stirring shaft is arranged to penetrate the axial direction of the screen drum, and one end of the stirring shaft extends to the outside of the screen drum, and a driven wheel is installed at its end; the driven wheel is connected to the driving wheel through a belt; the driving wheel is connected to the rotating shaft of the motor; the motor is fixedly installed on the frame through a motor positioning seat.

[0009] Furthermore, a scraper installation position is provided on the side of the stirring blade facing away from the stirring shaft; and the scraper is movably hinged to the stirring blade via the scraper installation position.

[0010] Furthermore, an arc-shaped scraper is provided on the outer side wall of the sieve cylinder for cleaning the outer side surface of the sour jujube when the sour jujube is de-fleshed.

[0011] Furthermore, a material receiving barrel end cover is installed on one end of the material receiving barrel away from the spiral tube; and a material discharge port is arranged on the material receiving barrel end cover.

[0012] Furthermore, a drop hopper is provided at the lower part of the receiving barrel; the drop hopper is fixedly installed on the frame.

[0013] As a preferred embodiment, a clamping plate is provided on both sides of each stirring blade, and the clamping plate is fixedly connected to the stirring blade by bolts; a sliding channel is formed between the two clamping plates; the scraper is located between the two clamping plates, and the scraper is movably arranged in the sliding channel.

[0014] Compared with the prior art, the sour jujube freezing and fleshing device of the utility model sprays liquid nitrogen into a spiral feeding system through a liquid nitrogen injection head, and quickly freezes the sour jujube flowing through the spiral feeding system; the frozen sour jujube is more convenient for pulp separation, and the freezing time of the sour jujube can be controlled by controlling the discharge speed; the frozen sour jujube is then fed into a pulp separator for pulp separation, thereby achieving highly effective pulp separation of the sour jujube, reducing manual labor intensity, and not requiring a large amount of water to clean the separated pulp, thereby saving water resources and improving the pulp recovery rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the external structure of Example 1 of the utility model.

[0016] Figure 2 This is a schematic diagram of the interior of the material receiving barrel of Example 1 of the utility model.

[0017] Figure 3 This is a schematic diagram of the overall internal structure of Example 1 of the utility model.

[0018] Figure 4Schematic diagram of the internal structure of the material receiving cylinder in Embodiment 2 of the present utility model.

[0019] Figure 5 Overall internal schematic diagram of Embodiment 2 of the present utility model.

[0020] Figure 6 Schematic diagram of the scraper installation structure in Embodiment 3 of the present utility model.

[0021] Each component in the attached drawings is labeled as follows: 1. Screw feeding system, 2. Liquid nitrogen nozzle, 3. Sieve cylinder, 4. Sieve cylinder end cover, 5. Adaptive scraper mechanism, 6. Material receiving cylinder, 7. Material receiving cylinder end cover, 8. Frame, 9. Hopper, 10. Scraper support, 11. Feeding funnel, 12. Screw pipe, 13. Scraper installation position, 15. Clamping plate, 16. Sliding channel, 17. Discharge port, 18. Sieve holes, 19. Stirring paddle, 20. Arc-shaped scraper, 21. Driven wheel, 22. Belt, 23. Driving wheel, 24. Motor, 25. Motor positioning seat, 26. Sieve cylinder feed pipe, 27. Stirring shaft, 28. Scraper. Detailed implementation manners

[0022] Embodiment 1:

[0023] As Figures 1 to 3 shown, the wild jujube freezing and de-fleshing device includes a screw feeding system 1 capable of quickly freezing wild jujubes; a liquid nitrogen nozzle 2 is connected to the side of the screw feeding system 1 for introducing liquid nitrogen into the screw feeding system 1 and freezing the wild jujubes to facilitate the separation of the flesh; a feeding funnel 11 is installed at the top of the screw feeding system 1; a screw pipe 12 is arranged inside the screw feeding system 1; the opening of the feeding funnel 11 gradually decreases from top to bottom, and the opening of the screw pipe 12 is in a vortex shape from top to bottom; the feeding funnel 11 and the screw pipe 12 are directly connected; the screw pipe 12 is directly connected to the liquid nitrogen nozzle 2, and the wild jujubes are quickly frozen directly during the vortex flow of the material; a flesh separation mechanism for separating the flesh of the frozen wild jujubes is connected below the screw feeding system 1.

[0024] In another embodiment, the liquid nitrogen nozzle 2 includes a liquid nitrogen injection port arranged inside the screw feeding system 1; one end of the liquid nitrogen nozzle 2 extending outside the screw feeding system 1 away from the screw feeding system 1, and the liquid nitrogen nozzle 2 is connected to a liquid nitrogen tank (not shown) through a pipeline; an opening and closing valve is arranged on the liquid nitrogen tank.

[0025] In another embodiment, the pulp separation mechanism includes a frame 8, a receiving drum 6 obliquely arranged above the frame 8, and a sieve drum 3 installed through the receiving drum 6; one end of the sieve drum 3 extends to the outside of the receiving drum 6, and is flange-connected to the spiral tube 12 exposed at the bottom of the spiral feeding system 1 through a sieve drum feed pipe 26; a sieve drum end cover 4 is installed at the other end of the sieve drum 3; a plurality of sieve holes 18 are evenly distributed on the outer wall of the sieve drum 3 located inside the receiving drum 6; an adaptive scraper mechanism 5 is provided inside the sieve drum 3 for stirring the sour jujube entering the sieve drum 3, so that the sour jujube and the sieve holes 18 rub against each other, thereby separating the pulp.

[0026] The scraper mechanism 5 includes a stirring shaft 27 movably mounted inside the sieve drum 3, stirring blades 19 evenly distributed on the periphery of the stirring shaft 27, and a scraper 28 movably arranged at the outer end of the stirring blade 19; the stirring shaft 27 is arranged to penetrate the sieve drum 3 axially, and one end of the stirring shaft 27 extends to the outside of the sieve drum 3, and a driven wheel 21 is installed at its end; the driven wheel 21 is connected to the driving wheel 23 through a belt 22; the driving wheel 23 is connected to the rotating shaft of the motor 24 through a driving connection; the motor 24 is fixedly mounted on the frame 8 through a motor positioning seat 25; wherein, the stirring blade 19 is provided with a scraper mounting position 13 on the side away from the stirring shaft 27; the scraper 28 is connected to the scraper mounting position 13 through the scraper mounting position 13 It is hinged with the stirring blade 19; the scraper 28 is connected to the pin hole on the scraper installation position 13 through a pin column; preferably, the scraper 28 can be connected to the scraper installation position 13 through a pin column, and the scraper 28 can be limited by another pin column to avoid the scraper 28 from having too large a range of motion; when working, the motor 24 drives the driving wheel 23, the belt 22 and the driven wheel 21 to rotate, thereby driving the stirring shaft 27 and the stirring blade 19 to rotate; the stirring shaft 27 and the stirring blade 19 perform centrifugal motion, so that the scraper 28 hinged at the outer end of the stirring blade 19 is thrown out, so that the scraper 28 and the inner wall of the screen drum 3 maintain a gap of 2mm, and the scraper 28 will continue to be thrown out after being worn, and the scraper 28 will be replaced later after being worn to the limit. The receiving barrel 6 is equipped with a receiving barrel end cover 7 at the end away from the spiral tube 12; the receiving barrel end cover 7 is provided with a discharge port 17. A drop hopper 9 is provided at the lower part of the receiving barrel 6; the drop hopper 9 is fixedly installed with the frame 8, and an open and connected drop hopper 9 is provided at the bottom end of the side wall of the receiving barrel 6, and the separated jujube meat can be discharged from the drop hopper 9.

[0027] Embodiment 2:

[0028] like Figure 4 and Figure 5The wild jujube freezing and de - fleshing device shown has a structure basically the same as that of Embodiment 1. Among them, an arc - shaped scraper 20 for cleaning the outer wall of the wild jujube on the outer side wall of the sieve cylinder 3 is further provided; the arc - shaped scraper 20 is installed around the sieve cylinder 3 through a scraper support 10, and the arc - shaped scraper 20 is arranged at a position close to the sieve holes 18, which can timely remove the thrown - out jujube flesh and avoid clogging of the sieve cylinder mesh holes.

[0029] Embodiment 3:

[0030] As Figure 6 The wild jujube freezing and de - fleshing device shown has a structure basically the same as that of Embodiment 1. Among them, a clamping plate 15 is respectively arranged on both sides of each stirring paddle 19, and the clamping plate 15 is fixedly connected to the stirring paddle 19 through bolts; a sliding channel 16 is formed between the two clamping plates 15; the scraper 28 is located between the two clamping plates 16, and the scraper 28 is movably arranged in the sliding channel 16; when the stirring shaft 27 drives the stirring paddle 19 to do centrifugal motion, the scraper 28 in the sliding channel 16 at the end of the stirring paddle 19 is thrown out, so that a 2 - mm gap is maintained between the scraper 28 and the inner wall of the sieve cylinder 3. After the scraper 28 is worn, it will continue to be thrown out, and when it is worn to the limit, the scraper 28 will be replaced subsequently.

[0031] The use process of the wild jujube freezing and de - fleshing device of the present utility model is as follows:

[0032] First, open the feed hopper 11, and load the washed wild jujubes into the spiral feeding system 1 through the feed hopper 11 for rapid freezing.

[0033] Next, open the opening and closing valve on the liquid nitrogen tank, transport liquid nitrogen into the pipeline through the liquid nitrogen tank, and then spray the liquid nitrogen into the spiral tube 12 of the spiral feeding system 1 by the liquid nitrogen nozzle 2; the freezing time of the wild jujubes after spraying liquid nitrogen can be set according to the amount of liquid nitrogen introduced into the spiral tube 12.

[0034] Then, after the wild jujubes are rapidly frozen, they enter the inside of the sieve cylinder 3 of the pulp separation mechanism; start the motor 24 of the pulp separation mechanism, and drive the driving wheel 23, belt 22, driven wheel 21, stirring shaft 27 and scraper 28 to rotate by the motor 24. The rotating scraper 28 stirs the wild jujubes, so that the wild jujubes rub against the sieve holes 18, an impact force is generated between the wild jujubes and the sieve holes 18, and the pulp of the wild jujubes is separated from the jujube stones. Under the action of centrifugal force, the jujube pulp is discharged from the sieve holes 18 to the receiving cylinder 6. At the same time, the arc - shaped scraper 20 is used to effectively clean the surface of the sieve cylinder 3.

[0035] Finally, the jujube pulp is discharged from the blanking hopper 9, and the jujube stones are discharged from the discharge port 17, realizing the separation of the pulp of the wild jujubes.

[0036] The above embodiments are only the preferred embodiments of the present utility model. Therefore, any equivalent changes or modifications made according to the structures, features, and principles described in the scope of the patent application of the present utility model are all included in the scope of the patent application of the present utility model.

Claims

1. A device for freezing and removing flesh of sour jujube, characterized in that: The invention comprises a spiral feeding system capable of freezing sour jujube; a liquid nitrogen nozzle for introducing liquid nitrogen into the spiral feeding system and freezing the sour jujube to facilitate pulp separation is connected to the side of the spiral feeding system; a feeding funnel is installed on the top of the spiral feeding system; and a pulp separation mechanism for separating the pulp of the frozen sour jujube is connected below the spiral feeding system.

2. The device for freezing and removing flesh of sour jujube according to claim 1, characterized in that: The liquid nitrogen nozzle comprises a liquid nitrogen injection port arranged inside the spiral feeding system; the liquid nitrogen nozzle extends away from one end of the spiral feeding system to the outside of the spiral feeding system, and the liquid nitrogen nozzle is connected to the liquid nitrogen tank through a pipeline; the liquid nitrogen tank is provided with an opening and closing valve.

3. The device for freezing and removing flesh of sour jujube according to claim 1, characterized in that: The pulp separation mechanism includes a frame, a material receiving cylinder obliquely arranged above the frame, and a screen cylinder installed through the material receiving cylinder; one end of the screen cylinder extends to the outside of the material receiving cylinder, and is connected to the spiral feeding system flange through a screen cylinder feed pipe; a screen cylinder end cover is installed at the other end of the screen cylinder; a plurality of screen holes are evenly distributed on the outer wall of the screen cylinder located inside the material receiving cylinder; an adaptive scraper mechanism is arranged inside the screen cylinder for stirring the sour jujubes entering the screen cylinder, so that the sour jujubes and the screen holes rub against each other, thereby separating the pulp.

4. The device for freezing and removing flesh of sour jujube according to claim 3, characterized in that: The adaptive scraper mechanism includes a stirring shaft movably installed inside the screen drum, stirring blades evenly distributed on the periphery of the stirring shaft, and a scraper movably arranged at the outer end of the stirring blade; the stirring shaft is arranged to penetrate the axial direction of the screen drum, and one end of the stirring shaft extends to the outside of the screen drum, and a driven wheel is installed at its end; the driven wheel is connected to the driving wheel through a belt; the driving wheel is connected to the rotating shaft of the motor; the motor is fixedly installed on the frame through a motor positioning seat.

5. The device for freezing and removing flesh of sour jujube according to claim 4, characterized in that: A scraper installation position is arranged on the side of the stirring blade away from the stirring shaft; the scraper is movably hinged to the stirring blade via the scraper installation position.

6. The device for freezing and removing flesh of sour jujube according to claim 3, characterized in that: The outer wall of the sieve cylinder is also provided with an arc-shaped scraper for cleaning the outer wall of the sour jujube when the sour jujube is fleshed.

7. The device for freezing and removing flesh of sour jujube according to claim 3, characterized in that: The end of the receiving barrel facing away from the spiral tube is provided with an end cover of the receiving barrel; and the end cover of the receiving barrel is provided with a discharge port.

8. The device for freezing and removing flesh of sour jujube according to claim 3, characterized in that: A material dropping hopper is arranged at the lower part of the material receiving barrel; the material dropping hopper is fixedly installed on the frame.

9. The device for freezing and removing flesh of sour jujube according to claim 4, characterized in that: A clamping plate is respectively arranged on both sides of each stirring blade, and the clamping plate is fixedly connected to the stirring blade by bolts; a sliding channel is formed between the two clamping plates; the scraper is located between the two clamping plates, and the scraper is movably arranged in the sliding channel.