Coffee flavor retaining low-temperature fermentation equipment

By designing a low-temperature fermentation equipment for coffee flavor preservation with a hydraulically driven stirring system, the problem of insufficient stirring in a low-temperature chamber was solved, achieving uniform fermentation of coffee beans and convenient operation of the fermentation tank.

CN223752766UActive Publication Date: 2026-01-02YUNNAN JINKELONG COFFEE IND CO LTD
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Patent Information

Application Number
CN202520031591.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2026-01-02
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

In existing low-temperature fermentation equipment for preserving coffee flavor, workers are not suited to stay in the low-temperature chamber for extended periods, resulting in insufficient mixing of coffee beans and uneven fermentation of some beans.

Method used

A device comprising a base, a load-bearing shell, a support shell, a support plate, and a fermentation tank was designed. A hydraulic cylinder drives a rack and pinion system to rotate the stirring shaft. Combined with the operation of the threaded column and the handle, the coffee beans are turned over and stirred to ensure uniform fermentation.

Benefits of technology

This process ensures uniform fermentation of coffee beans, avoids insufficient fermentation due to accumulation in certain areas, improves fermentation efficiency, and facilitates the installation and cleaning of the fermentation tank.

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Abstract

The utility model relates to the technical field of coffee processing, and discloses coffee flavor retaining low-temperature fermentation equipment which comprises a base, the upper surface of the base is fixedly connected with a bearing shell, the interior of the bearing shell is rotatably connected with a supporting shell, and the outer wall of the supporting shell is fixedly connected with a supporting disc. The outer wall of the supporting disc is slidably connected with a fermentation barrel, the interior of the supporting shell is rotatably connected with a shell, the inner wall of the shell is fixedly connected with a first connecting block, the interior of the first connecting block is in threaded connection with a threaded column, and the outer wall of the left side of the shell is slidably connected with a second connecting block; and the outer wall of the second connecting block is fixedly connected with a stirring shaft. According to the coffee bean fermentation device, the handle is pushed forwards and backwards, so that the threaded column rotates in the internal threads of the first connecting block, the shell is driven to rotate, meanwhile, the stirring shaft is driven to rotate through the second connecting block, the effect of overturning coffee beans is achieved, and insufficient fermentation caused by accumulation of part of beans is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coffee processing technical field especially relates to a coffee flavor reservation low temperature fermentation equipment. BACKGROUND

[0002] Traditionally, coffee bean fermentation is usually carried out at room temperature or slightly higher temperature, using natural or artificially introduced yeast and microorganisms to decompose pectin on coffee peel, thereby removing peel and pulp and affecting the taste and aroma of coffee, high-temperature fermentation may sometimes cause rapid reproduction of certain undesirable flora, producing off-flavor, therefore, to prevent the reproduction of undesirable flora during high-temperature fermentation, low-temperature fermentation equipment needs to be used, especially a coffee flavor reservation low temperature fermentation equipment.

[0003] Coffee flavor reservation low temperature fermentation equipment is a relatively novel and promising coffee processing method, which can produce unique and complex flavors through slow and gentle fermentation process, in the prior art, coffee beans are usually sealed in a fermentation barrel and then placed in a low-temperature room for low-temperature fermentation by the temperature of the low-temperature room, workers are not suitable to stay in the low-temperature room for a long time, and coffee beans may not be fully stirred, thereby causing partial coffee beans to accumulate and ferment insufficiently. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides a coffee flavor reservation low temperature fermentation equipment, which aims to improve the problem that workers are not suitable to stay in the low-temperature room for a long time and coffee beans may not be fully stirred, thereby causing partial coffee beans to accumulate and ferment insufficiently.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A coffee flavor reservation low temperature fermentation equipment, including base, the upper surface of base is fixedly connected with bearing shell, the inside rotation of bearing shell is connected with support shell, the outer wall of support shell is fixedly connected with support disc, the outer wall sliding of support disc is connected with fermentation barrel, the inside rotation of support shell is connected with shell, the inner wall of shell is fixedly connected with first connecting block, the inside screw of first connecting block is connected with threaded column, the outer wall sliding of threaded column is connected in the inside of shell, the right outer wall of threaded column is fixedly connected with handle, the left outer wall of threaded column is fixedly connected with first spring, the left outer wall sliding of shell is connected with second connecting block, the outer wall rotation of second connecting block is connected in the inside of fermentation barrel, the outer wall of second connecting block is fixedly connected with stirring shaft, the left outer wall rotation of stirring shaft is connected in the inner wall of fermentation barrel, the inside of bearing shell is provided with drive assembly, the assembly is used for driving overturning work.

[0007] Preferably, the driving assembly comprises a hydraulic cylinder, the outer wall of the hydraulic cylinder is fixedly connected in the inside of the load-bearing shell, and the output end of the hydraulic cylinder is fixedly connected with a rack.

[0008] Preferably, the inside of the load-bearing shell is fixedly connected with a sliding column, and the outer wall of the rack is slidingly connected with the inner wall of the sliding column.

[0009] Preferably, the tooth end of the rack is meshingly connected with a gear, and the outer wall of the support shell is fixedly connected in the inside of the gear.

[0010] Preferably, the upper surface of the base is fixedly connected with a temperature control box, the inside of the temperature control box is fixedly connected with a placing rack, the outer wall of the fermentation barrel is slidingly connected with the inner wall of the placing rack, and the outer wall of the support shell is rotatably connected in the inside of the temperature control box.

[0011] Preferably, the outer wall of the support disc is fixedly connected with a support frame, and the inside of the support frame is fixedly connected with a baffle.

[0012] Preferably, the inside of the support frame is slidingly connected with a connecting column, the right outer wall of the connecting column is fixedly connected with a rotating block, the outer wall of the connecting column is slidingly connected in the inside of the support disc, and the left outer wall of the connecting column is slidingly connected with the inner wall of the fermentation barrel.

[0013] Preferably, the outer wall of the connecting column is sleeved with a second spring, one end of the second spring is fixedly connected with the outer wall of the connecting column, and the other end of the second spring is fixedly connected with the outer wall of the baffle.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1、the utility model discloses a front and back push handle makes the threaded column in the inside of first connecting block thread rotation, simultaneously in the inside of shell moves back and forth, and makes the shell rotate, when the shell rotates, will drive second connecting block rotation and drive stirring axle rotation, further reach the effect of turning over coffee beans, avoid part bean accumulation or long -time in low oxygen state, lead to fermentation uneven.

[0016] 2、the utility model discloses that the support disc is pasted with the fermentation barrel, and the left side of the connecting column slides into the inside of the fermentation barrel, then rotates the rotating block and makes the left side of the connecting column rotate in the inside of the fermentation barrel, and is clamped in the inside of the fermentation barrel, fixes the fermentation barrel and reaches the effect of quick installation, is convenient for the replacement cleaning of the fermentation barrel. DRAWINGS

[0017] Figure 1 A perspective view of a coffee flavor retention low-temperature fermentation equipment is provided for the utility model;

[0018] Figure 2The utility model provides a kind of coffee flavor retention low-temperature fermentation equipment's fermentation barrel local structure schematic view;

[0019] Figure 3 The utility model provides a kind of coffee flavor retention low-temperature fermentation equipment's stirring shaft local structure section view schematic view;

[0020] Figure 4 The utility model provides a kind of coffee flavor retention low-temperature fermentation equipment's screw column local structure section view schematic view;

[0021] Figure 5 The utility model provides a kind of coffee flavor retention low-temperature fermentation equipment's second spring local structure section view schematic view.

[0022] Legend:

[0023] 1, base; 2, bearing shell; 3, support shell; 4, support disc; 5, shell; 6, first connecting block; 7, threaded column; 8, handle; 9, first spring; 10, second connecting block; 11, stirring shaft; 12, fermentation barrel; 13, hydraulic cylinder; 14, slide column; 15, rack; 16, gear; 17, support frame; 18, baffle; 19, connecting column; 20, rotating block; 21, second spring; 22, rack; 23, temperature control box. Specific embodiments

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Refer to Figures 1-4The utility model provides a kind of coffee flavor retention low-temperature fermentation equipment, including base 1, the upper surface of base 1 is fixedly connected with load shell 2, load shell 2 is rotatably connected with support shell 3 in its inside, the outer wall of support shell 3 is fixedly connected with support disc 4, the outer wall of support disc 4 is slidably connected with fermentation vat 12, the inside of support shell 3 is rotatably connected with shell 5, the inner wall of shell 5 is fixedly connected with first connecting block 6, the inside of first connecting block 6 is threadedly connected with threaded column 7, the outer wall of threaded column 7 is slidably connected in the inside of shell 5, the right side outer wall of threaded column 7 is fixedly connected with handle 8, the left side outer wall of threaded column 7 is fixedly connected with first spring 9, the left side outer wall of shell 5 is slidably connected with second connecting block 10, the outer wall of second connecting block 10 is rotatably connected in the inside of fermentation vat 12, the outer wall of second connecting block 10 is fixedly connected with stirring shaft 11, the left side outer wall of stirring shaft 11 is rotatably connected in the inner wall of fermentation vat 12, drive assembly is provided in the inside of load shell 2, and assembly is used to drive overturning work.

[0026] Specifically, load shell 2 supports support shell 3, support disc 4 fixes support shell 3, support shell 3 supports shell 5, the left side outer wall of shell 5 has protrusion and the right side outer wall groove of second connecting block 10 is consistent, through the protrusion of shell 5 and the groove of second connecting block 10, shell 5 can drive second connecting block 10 to rotate when rotating, fermentation vat 12 supports second connecting block 10 and stirring shaft 11, second connecting block 10 fixes stirring shaft 11, when handle 8 is pushed to move up and down, threaded column 7 will rotate and slide forward and backward in the inside of first connecting block 6, and first connecting block 6 will be rotated simultaneously, when first connecting block 6 rotates, shell 5 will be rotated, when shell 5 rotates, second connecting block 10 will be rotated and stirring shaft 11 will be rotated, and coffee beans are stirred.

[0027] Refer to Figures 2-3 Drive assembly includes hydraulic cylinder 13, the outer wall of hydraulic cylinder 13 is fixedly connected in the inside of load shell 2, the output end of hydraulic cylinder 13 is fixedly connected with rack 15, load shell 2 is fixedly connected with slide column 14 in the inside, the outer wall of rack 15 is slidably connected in the inner wall of slide column 14, the tooth end of rack 15 is engagedly connected with gear 16, the outer wall of support shell 3 is fixedly connected in the inside of gear 16.

[0028] Specifically, load shell 2 fixes and supports slide column 14, slide column 14 limits and deviates rack 15, support shell 3 fixes and supports gear 16, when the output end of hydraulic cylinder 13 drives slide column 14 to move up and down, rack 15 will drive gear 16 to rotate through its tooth end, when gear 16 rotates, support shell 3 will be rotated, and fermentation vat 12 will be rotated, to assist the action of turning coffee beans.

[0029] With reference to Figure 1 and Figure 2 , the upper surface of the base 1 is fixedly connected with a temperature control box 23, the inside of the temperature control box 23 is fixedly connected with a placing rack 22, the outer wall of the fermentation barrel 12 is slidingly connected to the inner wall of the placing rack 22, and the outer wall of the supporting shell 3 is rotatably connected to the inside of the temperature control box 23.

[0030] Specifically, the base 1 has a fixing effect on the temperature control box 23, the placing rack 22 has a supporting effect on the fermentation barrel 12, and the base 1 has a fixing and supporting effect on the temperature control box 23. Through the temperature control box 23, the low-temperature fermentation temperature of coffee beans can be set, and the temperature can be adjusted and controlled according to different fermentation stages.

[0031] With reference to Figure 3 and Figure 5 , the outer wall of the supporting disc 4 is fixedly connected with a supporting frame 17, the inside of the supporting frame 17 is fixedly connected with a baffle 18, the inside of the supporting frame 17 is slidingly connected with a connecting column 19, the right outer wall of the connecting column 19 is fixedly connected with a rotating block 20, the outer wall of the connecting column 19 is slidingly connected to the inside of the supporting disc 4, the left outer wall of the connecting column 19 is slidingly connected to the inner wall of the fermentation barrel 12, the outer wall of the connecting column 19 is sleeved with a second spring 21, one end of the second spring 21 is fixedly connected to the outer wall of the connecting column 19, and the other end of the second spring 21 is fixedly connected to the outer wall of the baffle 18.

[0032] Specifically, the supporting disc 4 has a fixing effect on the supporting frame 17, the supporting frame 17 has a fixing effect on the baffle 18, and the supporting frame 17 has a supporting and limiting offset effect on the connecting column 19. When the rotating block 20 is rotated by 90° and a downward pressure is applied to the rotating block 20, the left outer wall of the connecting column 19 will rotate in the inside of the fermentation barrel 12, and the outer wall of the connecting column 19 will be extruded by the second spring 21. When the connecting column 19 is rotated by 90° in the inside of the fermentation barrel 12, it will achieve the effect of tightening and fitting the supporting disc 4 and the fermentation barrel 12. At the same time, the second spring 21 will continuously provide pressure to the connecting column 19, ensuring that the connecting column 19 is not easy to loosen and maintaining stability.

[0033] Working principle: when the device is needed, first put the coffee beans into the fermentation barrel 12 through the discharge port on the top of the fermentation barrel 12, then place the fermentation barrel 12 on the placing rack 22, then make the outer wall of the supporting disc 4 fit the outer wall of the fermentation barrel 12, and make the left outer wall of the connecting column 19 slide into the inside of the fermentation barrel 12, then rotate the rotating block 20 by 90° to make the connecting column 19 rotate in the inside of the supporting frame 17, and make the left outer wall of the connecting column 19 rotate by 90° in the inside of the fermentation barrel 12, then fit the supporting disc 4 with the fermentation barrel 12 tightly, when the supporting disc 4 is tightly fitted with the fermentation barrel 12, the outer wall protrusion of the shell 5 will fit the groove of the second connecting block 10 in the inside of the fermentation barrel 12, then push the handle 8 forward and backward to make the threaded column 7 screw in the inside of the first connecting block 6 and move forward and backward, at the same time, the threaded column 7 will move forward and backward in the inside of the shell 5 and press the first spring 9, and drive the shell 5 to rotate through the first connecting block 6, when the shell 5 rotates, it will drive the second connecting block 10 to rotate in the inside of the fermentation barrel 12, when the second connecting block 10 rotates, it will drive the stirring shaft 11 to rotate in the inside of the fermentation barrel 12 and stir the coffee beans, then move the output end of the hydraulic cylinder 13 up and down to drive the rack 15 to move up and down in the inner wall of the slide column 14, when the rack 15 moves up and down, it will drive the gear 16 meshed with the teeth to rotate, when the gear 16 rotates, it will drive the fermentation barrel 12 to rotate in the inner wall of the placing rack 22 through the supporting shell 3, to achieve the effect of overturning the stirring barrel and assisting stirring, the device can not only stir the coffee beans to help even fermentation, avoid over fermentation or incomplete fermentation caused by the accumulation of coffee beans in some areas, ensure the sufficient contact of coffee beans with yeast, but also can add appropriate overturning of coffee beans according to different fermentation stages to enhance the fermentation effect, and can also quickly install and dismount the coffee bean placing barrel to facilitate replacement and cleaning, improve the work efficiency.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A coffee flavor preserving low temperature fermentation apparatus comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected with a bearing shell (2), the inside of the bearing shell (2) is rotatably connected with a support shell (3), the outer wall of the support shell (3) is fixedly connected with a support disc (4), the outer wall of the support disc (4) is slidably connected with a fermentation barrel (12), the inside of the support shell (3) is rotatably connected with a shell (5), the inner wall of the shell (5) is fixedly connected with a first connecting block (6), the inside of the first connecting block (6) is threadedly connected with a threaded column (7), the outer wall of the threaded column (7) is slidably connected in the inside of the shell (5), the right outer wall of the threaded column (7) is fixedly connected with a handle (8), the left outer wall of the threaded column (7) is fixedly connected with a first spring (9), the left outer wall of the shell (5) is slidably connected with a second connecting block (10), the outer wall of the second connecting block (10) is rotatably connected in the inside of the fermentation barrel (12), the outer wall of the second connecting block (10) is fixedly connected with a stirring shaft (11), the left outer wall of the stirring shaft (11) is rotatably connected with the inner wall of the fermentation barrel (12), the inside of the bearing shell (2) is provided with a driving assembly, and the assembly is used to drive overturning work.

2. A coffee flavor preserving low temperature fermentation apparatus according to claim 1, characterized in that: The driving assembly comprises a hydraulic cylinder (13), and the outer wall of the hydraulic cylinder (13) is fixedly connected in the inside of the bearing shell (2).

3. A coffee flavor preserving low temperature fermentation apparatus according to claim 2, characterized in that: The inside of the bearing shell (2) is fixedly connected with a sliding column (14), and the outer wall of the rack (15) is slidably connected with the inner wall of the sliding column (14).

4. A coffee flavor preserving low temperature fermentation apparatus according to claim 2, characterized in that: The tooth end of the rack (15) is engagedly connected with a gear (16), and the outer wall of the support shell (3) is fixedly connected in the inside of the gear (16).

5. A coffee flavor preserving low temperature fermentation apparatus according to claim 1, characterized in that: The upper surface of the base (1) is fixedly connected with a temperature control box (23), the inside of the temperature control box (23) is fixedly connected with a placing rack (22), the outer wall of the fermentation barrel (12) is slidably connected with the inner wall of the placing rack (22), and the outer wall of the support shell (3) is rotatably connected in the inside of the temperature control box (23).

6. A coffee flavor preserving low temperature fermentation apparatus according to claim 1, characterized in that: The outer wall of the support disc (4) is fixedly connected with a support frame (17), and the inside of the support frame (17) is fixedly connected with a baffle (18).

7. A coffee flavor preserving low temperature fermentation apparatus according to claim 6, characterized in that: The inside of the support frame (17) is slidably connected with a connecting column (19), the right outer wall of the connecting column (19) is fixedly connected with a rotating block (20), the outer wall of the connecting column (19) is slidably connected in the inside of the support disc (4), and the left outer wall of the connecting column (19) is slidably connected with the inner wall of the fermentation barrel (12).

8. A coffee flavor preserving low temperature fermentation apparatus according to claim 7, characterized in that: The outer wall of the connecting column (19) is sleeved with a second spring (21), one end of the second spring (21) is fixedly connected with the outer wall of the connecting column (19), and the other end of the second spring (21) is fixedly connected with the outer wall of the baffle (18).