Walnut hot air uniform fixation device

CN224819419UActive Publication Date: 2026-10-09HEBEI LULING HETIAN FOOD CO LTD
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Patent Information

Application Number
CN202522456062.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-19
Publication Date
2026-10-09
Estimated Expiration
2035-11-19

AI Technical Summary

Technical Problem

在实际应用中,翻动结构设计单一,核桃在处理过程中易出现堆积或翻动不充分的情况,导致不同位置的核桃接触热风的时间和面积存在差异,进而出现局部受热不均,影响杀青品质的一致性;同时,核桃在翻动过程中难免产生碎渣、颗粒等废料,现有装置底部常因结构限制,清理时需人工深入狭长空间操作,不仅耗时费力,还可能因清理不及时导致废料堆积,影响装置后续运行稳定性

Benefits of technology

1、本实用新型中,装置通过内外层转动结构的协同作用,让核桃在壳体内持续翻滚,配合循环流动的热风,使每颗核桃的各个表面都能充分接触热源,有效避免了局部受热不均导致的青涩或过焦问题。这种设计既保证了杀青的一致性,又能在相同时间内完成更多核桃的加工,显著提高了生产效率,满足批量处理需求。

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Abstract

The utility model relates to walnut production and processing field discloses a walnut hot -blast even kill green device, including casing and ventilation pipe, the ventilation pipe outer wall is fixed in the casing outer wall left side, the ventilation pipe right end upper side outer wall fixedly connected with the feeding mouth, the casing right side outer wall fixedly connected with the protection bin, the casing bottom fixedly connected with the base, the casing left side outer wall rotationally connected with the rotating door, the protection bin inside is provided with the rotating component, the protection bin outside is provided with first motor, the casing inside rotationally connected with the air -permeable board, the base inside is provided with the cavity, the cavity inside is provided with the push component. In the utility model, the inside and outside layer rotation structure cooperation makes walnut continue to tumble, and the cooperation circulation hot -blast realizes even heating, guarantees the kill green quality and promotes the efficiency to adapt the batch demand, and the automatic cleaning structure is driven the scraper back and forth collection bottom waste through the transmission part.
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Description

Technical Field

[0001] This utility model relates to the field of walnut production and processing, and in particular to a walnut hot air uniform blanching device. Background Technology

[0002] Walnuts, as a nutritious nut, are widely used in food processing, health product production, and other fields, and their processing quality directly affects product value. Blanching is a crucial step in walnut processing; hot air treatment removes moisture from the walnut skin and deactivates oxidase activity, which is essential for maintaining walnut flavor and extending shelf life. With the increasing market demand for processed walnut products, efficient and high-quality blanching equipment has become important for improving the efficiency of the walnut processing industry.

[0003] Currently, most existing hot air blanching devices for walnuts process walnuts by combining hot air circulation with a simple turning structure. In practical applications, the simple turning structure design makes it easy for walnuts to accumulate or be insufficiently turned during processing. This results in differences in the time and area of ​​contact between walnuts and hot air in different locations, leading to uneven heating and affecting the consistency of blanching quality. At the same time, the turning process inevitably generates waste such as debris and particles. Due to structural limitations at the bottom of existing devices, cleaning often requires manual operation into the narrow space, which is not only time-consuming and labor-intensive but may also lead to waste accumulation if not cleaned in time, affecting the subsequent operational stability of the device.

[0004] In response to this technical problem, this application proposes a walnut hot air uniform blanching device. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a walnut hot air uniform blanching device. The inner and outer rotating structures work together to continuously tumble the walnuts, and the circulating hot air achieves uniform heating, ensuring blanching quality while improving efficiency to meet batch production needs. The automatic cleaning structure uses transmission components to drive a scraper to reciprocate and collect waste material from the bottom.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A hot air uniform blanching device for walnuts includes a shell and a ventilation pipe. The outer wall of the ventilation pipe is fixed to the left side of the outer wall of the shell. A feeding port is fixedly connected to the upper outer wall of the right end of the ventilation pipe. A protective chamber is fixedly connected to the right outer wall of the shell. A base is fixedly connected to the bottom end of the shell. A rotating door is rotatably connected to the left outer wall of the shell. A rotating component is installed inside the protective chamber. A first motor is installed outside the protective chamber. A ventilated plate is rotatably connected inside the shell. A cavity is opened inside the base. A pushing component is installed inside the cavity.

[0007] Furthermore, the rotating assembly includes a fixed frame fixedly connected inside the protective chamber, and a second bevel gear is rotatably connected to the outer right wall of the fixed frame, the outer wall of the second bevel gear being fixedly connected to the inner side of the ventilated plate.

[0008] Furthermore, the pushing component includes a guide plate fixedly connected to the inner wall of the base, a guide groove is provided inside the guide plate, a sliding frame is provided inside the guide groove, and a scraper is fixedly connected to the outer wall of the sliding frame.

[0009] Furthermore, a third bevel gear is rotatably connected to the outer wall of the left side of the fixing frame, a thin rotating shaft is fixedly connected to the outer wall of the third bevel gear, an auxiliary plate is fixedly connected to the outer wall of the thin rotating shaft, and the outer wall of the thin rotating shaft is rotatably connected inside the thick rotating shaft.

[0010] Furthermore, a first bevel gear is rotatably connected to the middle of the outer wall of the fixed frame, and the outer wall of the first bevel gear is fixedly connected to the rotating end of the first motor.

[0011] Furthermore, a second motor is provided inside the housing, and a transmission gear is fixedly connected to the rotating end of the second motor.

[0012] Furthermore, an eccentric circle is meshed with the lower outer wall of the transmission gear, and the outer wall of the eccentric circle is rotatably connected to the left side of the outer wall of the guide plate.

[0013] Furthermore, a transmission rod is rotatably connected to the outer wall of the eccentric circle, and the other end of the transmission rod is rotatably connected to the lower side of the outer wall of the sliding frame.

[0014] This utility model has the following beneficial effects: 1. In this invention, the device utilizes the synergistic effect of the inner and outer rotating structures to continuously tumble the walnuts within the shell. Combined with circulating hot air, this ensures that every surface of each walnut is fully in contact with the heat source, effectively preventing uneven heating that could result in unripe or over-scorched walnuts. This design guarantees consistent blanching and allows for the processing of more walnuts within the same timeframe, significantly improving production efficiency and meeting batch processing requirements.

[0015] 2. In this invention, the device is equipped with an automatic cleaning structure to address the granular waste that may fall off during the walnut turning process. A transmission component drives a scraper in reciprocating motion, efficiently collecting residual impurities from the bottom. This design avoids the hassle of manually cleaning the narrow bottom, reduces cleaning time, and prevents waste accumulation from affecting the internal environment of the device and subsequent processing. This helps maintain stable equipment operation and extends its service life. Attached Figure Description

[0016] Figure 1 This is a perspective view of a walnut hot air uniform blanching device proposed in this utility model; Figure 2 This is a schematic diagram of the second motor structure of a walnut hot air uniform blanching device proposed in this utility model; Figure 3 This is a schematic diagram of the fixing frame structure of a hot air uniform blanching device for walnuts proposed in this utility model; Figure 4 This is a schematic diagram of the eccentric circular structure of a hot air uniform blanching device for walnuts proposed in this utility model; Figure 5 This is a schematic diagram of the scraper structure of a hot air uniform blanching device for walnuts proposed in this utility model.

[0017] Legend: 1. Feed inlet; 2. Ventilation pipe; 3. Protective chamber; 4. First motor; 5. Housing; 6. Base; 7. Scraper; 8. Rotating door; 9. Ventilation plate; 10. Fine rotating shaft; 11. Auxiliary plate; 12. Guide plate; 13. Second motor; 14. First bevel gear; 15. Second bevel gear; 16. Coarse rotating shaft; 17. Third bevel gear; 18. Fixed frame; 19. Transmission gear; 20. Eccentric circle; 21. Transmission rod; 22. Sliding frame. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Reference Figures 2-4 This utility model provides an embodiment of a walnut hot air uniform blanching device, comprising a housing 5 and a ventilation pipe 2. The outer wall of the ventilation pipe 2 is fixed to the left side of the outer wall of the housing 5. A feeding port 1 is fixedly connected to the upper outer wall of the right end of the ventilation pipe 2. A protective chamber 3 is fixedly connected to the right outer wall of the housing 5. A base 6 is fixedly connected to the bottom end of the housing 5. A rotating door 8 is rotatably connected to the left outer wall of the housing 5. A fixing frame 18 is provided inside the protective chamber 3. A second bevel gear 15 is rotatably connected to the right outer wall of the fixing frame 18. The outer wall of the second bevel gear 15 is fixedly connected to the inner side of the ventilation plate 9. A first motor 4 is provided outside the protective chamber 3. The ventilation plate 9 is rotatably connected inside the housing 5. A cavity is opened inside the base 6. A guide plate 12 is provided inside the cavity. A guide groove is opened inside the guide plate 12. A sliding frame 22 is provided inside the guide groove. A scraper 7 is fixedly connected to the outer wall of the sliding frame 22.

[0020] Specifically, the ventilation pipes 2 at both ends of the upper side of the device can maintain the flow of hot air inside the device. The feeding port 1 on the right side is used to put in walnuts. The first motor 4 drives the first bevel gear 14 to rotate, which in turn causes the third bevel gear 17 and the second bevel gear 15 on the left and right sides to rotate. The third bevel gear 17 drives the thin rotating shaft 10 to rotate, and the second bevel gear 15 drives the coarse rotating shaft 16 to rotate. The second bevel gear 15 drives the outer ventilation plate 9 to rotate, and the third bevel gear 17 drives the thin rotating shaft 10 on the right side to rotate, which in turn drives the auxiliary plate 11 to rotate. This causes the outer ventilation plate 9 and the inner auxiliary plate 11 to rotate, and the walnuts inside will continuously tumble so that each side can be blown with air evenly, improving efficiency. During the flipping process, some particles inevitably fall to the bottom. For the relatively narrow bottom, removing these particles is quite troublesome. The second motor 13 is activated, driving the transmission gear 19 to rotate, which in turn drives the eccentric circle 20 to rotate. As the eccentric circle 20 rotates, the outer transmission rod 21 moves left and right due to the rotation of the eccentric circle 20, thus pushing the sliding frame 22 to move left and right. When the sliding frame 22 moves to the right, it also moves upwards, causing the scraper 7 to move to the right. When the sliding frame 22 rotates back, it pulls the scraper 7 back from the bottom, thus removing the particles from the bottom. Waste is collected for easy cleaning. This design prevents waste from being pushed into the device during rightward movement, which would cause more trouble. The upper side of the middle plate of the guide plate 12 has a shorter plate connected to the upper outer wall of the guide plate 12. The connecting rod on the upper side of the sliding frame 22, which is inside the guide groove, is short and only located inside the guide groove. Furthermore, the two ends of the connecting rod on the lower side of the sliding frame 22 are connected, and it always stays under the guide plate 12 during movement. The eccentric circles 20 on both sides are driven by the same drive source, maintaining the coordination of rotation.

[0021] Reference Figure 1 , Figure 3 and Figure 5 A third bevel gear 17 is rotatably connected to the left outer wall of the fixed frame 18. A thin rotating shaft 10 is fixedly connected to the outer wall of the third bevel gear 17. An auxiliary plate 11 is fixedly connected to the outer wall of the thin rotating shaft 10. The outer wall of the thin rotating shaft 10 is rotatably connected inside the thick rotating shaft 16. A first bevel gear 14 is rotatably connected to the middle of the outer wall of the fixed frame 18. The outer wall of the first bevel gear 14 is fixedly connected to the rotating end of the first motor 4. A second motor 13 is installed inside the housing 5. A transmission gear 19 is fixedly connected to the rotating end of the second motor 13. An eccentric circle 20 is meshed with the lower outer wall of the transmission gear 19. The outer wall of the eccentric circle 20 is rotatably connected to the left side of the outer wall of the guide plate 12. A transmission rod 21 is rotatably connected to the outer wall of the eccentric circle 20. The other end of the transmission rod 21 is rotatably connected to the lower side of the outer wall of the sliding frame 22.

[0022] Specifically, the fixed frame 18 serves as the supporting foundation for the transmission structure. Its left outer wall is rotatably connected to the third bevel gear 17, which meshes with the middle rotatably connected first bevel gear 14, forming a transmission linkage. The rotating end of the first motor 4 is fixedly connected to the first bevel gear 14. When the first motor 4 starts, it directly drives the first bevel gear 14 to rotate, thereby causing the third bevel gear 17 to rotate synchronously. The thin rotating shaft 10 fixed to the outer wall of the third bevel gear 17 rotates along with the third bevel gear 17, while the auxiliary plate 11 fixed to the outer wall of the thin rotating shaft 10 rotates accordingly. Simultaneously, the outer wall of the thin rotating shaft 10 is rotatably connected to the inside of the thick rotating shaft 16. The thick rotating shaft 16 is driven to rotate by the second bevel gear 15, causing the outer ventilation plate 9 to flip, while the thin rotating shaft 10 causes the inner auxiliary plate 11 to rotate independently. The coordination of their directions or speeds further agitates the walnuts inside the shell 5, allowing the walnuts to come into more full contact with the hot air under the double flipping action, avoiding uneven heating in certain areas and improving the uniformity of blanching. The second motor 13, located inside the housing 5, serves as the power source for the bottom cleaning structure. A transmission gear 19, fixed at its rotating end, meshes with an eccentric circle 20 on its lower outer wall. When the second motor 13 starts, the transmission gear 19 drives the eccentric circle 20 to rotate on the left side of the guide plate 12's outer wall. The transmission rod 21, rotatably connected to the outer wall of the eccentric circle 20, moves left and right with the eccentric rotation of the eccentric circle 20, thereby driving the sliding frame 22, rotatably connected at its other end, to move left and right along the guide groove of the guide plate 12. This linkage ensures that the sliding frame 22 drives the scraper 7 to stably complete the reciprocating cleaning action, efficiently collecting the particulate waste falling from the bottom.

[0023] Working principle: The first motor 4 is activated, its rotating end drives the first bevel gear 14, fixed in the middle of the bracket 18 inside the protective chamber 3, to rotate. The first bevel gear 14 meshes with the second bevel gear 15 and the third bevel gear 17 on the left and right sides respectively, thus driving them to rotate synchronously. The second bevel gear 15 drives the fixedly connected coarse rotating shaft 16 to rotate, thereby causing the ventilation plate 9 inside the shell 5 to flip. The third bevel gear 17 drives the thin rotating shaft 10 to rotate, causing the auxiliary plate 11 on the outer wall of the thin rotating shaft 10 to rotate. The thin rotating shaft 10 is nested inside the coarse rotating shaft 16, achieving independent rotation. The coordinated rotation of the ventilation plate 9 and the auxiliary plate 11 causes the walnuts inside the shell 5 to continuously tumble, ensuring that each surface is evenly exposed to hot air, improving the efficiency and uniformity of the blanching process. During the walnut tumbling process, some walnuts will fall to the bottom of the shell 5. The second motor 13 inside the cavity of the base 6 is activated, its rotating end drives the transmission gear 19 to rotate. The transmission gear 19 meshes with the eccentric circle 20 on the lower side, driving the eccentric circle 20 to rotate on the left side of the guide plate 12. The eccentric circle 20 is connected to the sliding frame 22 via the transmission rod 21 on the outer wall. As the eccentric circle 20 rotates, the transmission rod 21 pushes and pulls the sliding frame 22 to move left and right along the guide groove of the guide plate 12. When the sliding frame 22 moves, it drives the scraper 7 fixed on the outer wall to move synchronously: when moving to the right, the scraper 7 moves upward to push the waste material, and when moving back to the left, the scraper 7 moves downward to pull it back, avoiding pushing the waste material deep into the device and efficiently collecting the bottom particles.

[0024] The circuits, protection systems, and walnut production and processing involved in the above embodiments all adopt corresponding existing technologies based on actual conditions, and therefore will not be described in detail in the embodiments of this application.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for uniformly blanching walnuts with hot air, characterized in that, The device includes a housing (5) and a ventilation pipe (2). The outer wall of the ventilation pipe (2) is fixed to the left side of the outer wall of the housing (5). A feeding port (1) is fixedly connected to the upper right side of the outer wall of the ventilation pipe (2). A protective chamber (3) is fixedly connected to the right side of the housing (5). A base (6) is fixedly connected to the bottom of the housing (5). A rotating door (8) is rotatably connected to the left side of the housing (5). A rotating component is provided inside the protective chamber (3). A first motor (4) is provided outside the protective chamber (3). A breathable plate (9) is rotatably connected inside the housing (5). A cavity is opened inside the base (6). A pushing component is provided inside the cavity.

2. The walnut hot air uniform blanching device according to claim 1, characterized in that: The rotating assembly includes a fixed frame (18) fixedly connected inside the protective chamber (3), and a second bevel gear (15) is rotatably connected to the outer right side of the fixed frame (18). The outer wall of the second bevel gear (15) is fixedly connected to the inner side of the ventilated plate (9).

3. The walnut hot air uniform blanching device according to claim 1, characterized in that: The pushing component includes a guide plate (12) fixedly connected to the inner wall of the base (6). The guide plate (12) has a guide groove inside, and a sliding frame (22) is provided inside the guide groove. A scraper (7) is fixedly connected to the outer wall of the sliding frame (22).

4. The walnut hot air uniform blanching device according to claim 2, characterized in that: The left outer wall of the fixed frame (18) is rotatably connected to a third bevel gear (17), the outer wall of the third bevel gear (17) is fixedly connected to a thin rotating shaft (10), the outer wall of the thin rotating shaft (10) is fixedly connected to an auxiliary plate (11), and the outer wall of the thin rotating shaft (10) is rotatably connected inside the coarse rotating shaft (16).

5. The walnut hot air uniform blanching device according to claim 4, characterized in that: The outer wall of the fixed frame (18) is rotatably connected to the first bevel gear (14), and the outer wall of the first bevel gear (14) is fixedly connected to the rotating end of the first motor (4).

6. The walnut hot air uniform blanching device according to claim 3, characterized in that: The housing (5) is equipped with a second motor (13), and the rotating end of the second motor (13) is fixedly connected with a transmission gear (19).

7. The walnut hot air uniform blanching device according to claim 6, characterized in that: The lower outer wall of the transmission gear (19) is meshed with an eccentric circle (20), and the outer wall of the eccentric circle (20) is rotatably connected to the left side of the outer wall of the guide plate (12).

8. The walnut hot air uniform blanching device according to claim 7, characterized in that: The outer wall of the eccentric circle (20) is rotatably connected to a transmission rod (21), and the other end of the transmission rod (21) is rotatably connected to the lower side of the outer wall of the sliding frame (22).