CN212488288U

CN212488288U - Black tea fermentation machine

Info

Publication number: CN212488288U
Application number: CN202021235208.9U
Authority: CN
Inventors: 王辰; 武传宇; 童俊华; 姚志祥; 李革; 徐兆其; 何林夫; 徐军
Original assignee: Zhejiang University of Technology ZJUT
Current assignee: Zhejiang University of Technology ZJUT; Zhejiang Sci Tech University ZSTU; Zhejiang University of Science and Technology ZUST
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-09
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a black tea fermentation machine, include: the automatic tea leaf stirring and spraying device comprises a rack, a rotary hopper assembly rotatably mounted on the rack, and a stirring and spraying assembly for stirring and spraying black tea in the rotary hopper assembly. The utility model discloses at black tea fermentation in-process, rotatory hopper subassembly rotates, sprays the subassembly through the stirring, realizes turning over of tealeaves cool, avoids local tealeaves high temperature and influences the taste of tealeaves. In addition, the stirring and spraying assembly also provides a fermentation environment with uniformly distributed temperature, humidity and oxygen, and the tea leaves are fully stirred, so that the fermentation is uniform. Meanwhile, after fermentation is finished, when the temperature is set to be 50-60 ℃, the drying effect can be achieved, and therefore the production efficiency is improved.

Description

Black tea fermentation machine

Technical Field

The utility model relates to the field of agricultural machinery, specifically a black tea fermentation machine.

Background

With the increase of the demand of consumers on black tea, the black tea becomes one of the most popular beverages in the world, but the traditional black tea fermentation machine generally adopts static fermentation, has no stirring function, and has insufficient fermentation environment, thereby causing the phenomena of insufficient fermentation, poor quality and the like of the tea. Based on the problem, a black tea fermentation machine is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a black tea fermentation machine to effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a black tea fermenter, comprising: the automatic tea leaf stirring and spraying device comprises a rack, a rotary hopper assembly rotatably mounted on the rack, and a stirring and spraying assembly for stirring and spraying black tea in the rotary hopper assembly.

Further, rotatory hopper subassembly includes hopper, hopper connecting axle and first drive arrangement, the vertical rotation of hopper connecting axle is connected in the frame, the hopper is installed on the hopper connecting axle, the hopper connecting axle rotates through the drive of first drive arrangement.

Furthermore, the hopper connecting shaft is formed by sequentially connecting a plurality of sub-connecting shafts, the sub-connecting shafts are three-section stepped shafts, the uppermost section is provided with external threads, the lowermost section is provided with internal threads, and the two connected sub-connecting shafts are connected with the internal threads of the lowermost section through the external threads of the uppermost section.

Furthermore, each sub-connecting shaft is fixedly connected with a hopper.

Furthermore, the middle section of the three-section stepped shaft is provided with an external thread, the hopper is arranged on the middle section in a penetrating mode, and the hopper is fixed on the middle section through a nut screwed in the middle section.

Further, the stirring spraying assembly comprises a rotary spraying frame, a leaf homogenizing device, a second driving device, a hot air box and a steam generating box, the rotary spraying frame is rotatably connected to the rack, a branch pipe is communicated with the rotary spraying frame, an outlet is formed in the branch pipe, the leaf homogenizing device is fixed to the branch pipe, the leaf homogenizing device is uniformly installed between every two outlets of the branch pipe and staggered with the opening of the branch pipe, the hot air box and the steam generating box are both communicated with the rotary spraying frame, and the rotary spraying frame swings under the driving of the second driving device.

Furthermore, a cam is fixed on the frame, the rotary spraying frame penetrates through a center hole of the cam, and a supporting part is fixed on the rotary spraying frame and is abutted against the cam surface to serve as a driven part of the cam.

Further, the swing angle of the rotary spraying frame is 0-45 degrees.

Further, the cam is a tubular body with a through center, and the upper end of the tubular body is provided with a bulge.

Further, the leaf homogenizing device is in a rake shape.

According to the utility model discloses an embodiment, the utility model discloses at black tea fermentation in-process, rotatory hopper subassembly rotates, sprays the subassembly through the stirring, realizes turning over of tealeaves to cool, avoids local tealeaves high temperature and influences the taste of tealeaves. In addition, the stirring and spraying assembly also provides a fermentation environment with uniformly distributed temperature, humidity and oxygen, and the tea leaves are fully stirred, so that the fermentation is uniform. Meanwhile, after fermentation is finished, when the temperature is set to be 50-60 ℃, the drying effect can be achieved, and therefore the production efficiency is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of a frame structure of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 3 is a schematic view of a hopper structure of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 4 is a schematic view of a sectional structure of a hopper of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 5 is a schematic view of a connecting shaft structure of a hopper of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of an upper support seat of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a lower support seat of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a leaf homogenizing device of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a rotary spraying frame of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 10 is a schematic view of a tail structure of a rotary spray frame of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 11 is a schematic view of a cam structure of a black tea fermentation machine according to an embodiment of the present invention;

FIG. 12 is a schematic view of the assembly of the cam and the rotary spraying frame of the black tea fermentation machine according to the embodiment of the present invention;

in the figure: 1. a frame; 2. rotating the spraying frame; 3. a leaf homogenizing device; 4. a lower support seat; 5. a cam; 6. a direct current motor; 7. gear transmission is carried out; 8. a gas connection box; 9. a deep groove ball bearing; 10. an upper bearing seat; 11. a hopper; 12. an upper support base; 13. a hopper connecting shaft; 14. a thrust bearing; 15. a lower bearing seat; 16. a three-phase motor; 17. a hot air box; 18. a steam generating box; 19. a gas pipeline.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

As shown in fig. 1-12, the embodiment of the present invention provides a black tea fermentation machine, including: the automatic tea leaf stirring and spraying device comprises a rack 1, a rotary hopper assembly rotatably mounted on the rack 1, and a stirring and spraying assembly for stirring and spraying black tea in the rotary hopper assembly.

In an embodiment of the present invention, the rotary hopper assembly includes a hopper 11, a hopper connecting shaft 13 and a first driving device, the hopper connecting shaft 13 is vertically rotatably connected to the frame 1, the hopper 11 is mounted on the hopper connecting shaft 13, and the hopper connecting shaft 13 is driven to rotate by the first driving device. Hopper 11 is used for holding the tealeaves of taking the fermentation, realizes hopper 11 through the drive of first drive arrangement and rotates around hopper connecting axle 13.

Specifically, an upper bearing seat 10 and a lower bearing seat 15 are respectively fixed at the upper position and the lower position of a frame 1 through bolts, a thrust bearing 14 is installed on the lower bearing seat 15, the thrust bearing 14 is used for installing a lower support seat 4, a deep groove ball bearing 9 is installed on the upper bearing seat 10, an upper support seat 12 is installed on the deep groove ball bearing 9, and the upper end and the lower end of a hopper connecting shaft 13 are respectively installed on the upper support seat 12 and the lower support seat 4.

Further, the hopper connecting shaft 13 is formed by sequentially connecting a plurality of sub-connecting shafts, the sub-connecting shafts are three-section stepped shafts, the uppermost section is provided with external threads, the lowermost section is provided with internal threads, and the two connected sub-connecting shafts are connected with the internal threads of the lowermost section through the external threads of the uppermost section. Each sub-connecting shaft is fixedly connected with a hopper 11. The middle section of syllogic stepped shaft is opened there is the external screw thread, and hopper 11 wears to establish on the middle section, fixes hopper 11 on the middle section through nut screw in middle section. The hopper connecting shaft 13 and the hopper 11 are conveniently disassembled by adopting the structure.

Alternatively, the first drive means comprises a three-phase motor 16 and a transmission, wherein the transmission may be a gear transmission, a chain transmission, a belt transmission, etc.

The utility model discloses an in the embodiment, the stirring sprays the subassembly and includes that the rotation spouts frame 2, even leaf ware 3, second drive arrangement, hot-blast case 17 and steam generation case 18, the rotation is spouted frame 2 and is rotated to be connected in frame 1, and the intercommunication has the branch pipe on the rotatory frame 2 that spouts, and it has the export to open on the branch pipe, even leaf ware 3 is fixed on the branch pipe, and hot-blast case 17 and steam generation case 18 all spout frame 2 with the rotation and are linked together, and the rotation is spouted frame 2 and is driven the swing through the second drive arrangement. Because the black tea fermentation needs to provide a constant temperature, constant oxygen and constant humidity environment, hot air with different temperatures can be output according to requirements through the hot air box 17, and the steam generation box 18 is used for outputting water vapor. The hot air box 17 and the steam generating box 18 can output hot air and steam to the air connecting box 8 through the air conveying pipeline 19, and then the hot air and the steam are uniformly sprayed on the hopper 11 upwards through the rotary spraying frame 2.

Optionally, a cam 5 is fixed on the frame 1, the cam 5 is a tubular body with a through center, a protrusion is arranged at the upper end of the tubular body, the rotary spraying frame 2 penetrates through a center hole of the cam 5, a supporting portion is fixed on the rotary spraying frame 2, the supporting portion is abutted to the surface of the cam 5 and serves as a driven member of the cam 5, the rotary spraying frame 2 has two stations, the rotary spraying frame 2 does not work at the first station, and the rotary spraying frame 2 is shifted to the inner side of the hopper at the outer side of the hopper and at the second station. Because the cam 5 is fixed on the frame 1, in the rotating process of the rotating spraying frame 2, the rotating spraying frame slowly rises to the highest point and then slowly descends according to the shape of the cam 5, and the rising and descending processes can be symmetrical reverse processes. When the rotating spraying frame 2 moves to the highest point of the cam, the rotating spraying frame 2 rotates to the edge of the hopper, so that the uniform leaves 3 are smoothly put into the hopper 1 along with the rotating spraying frame 2 and stir the tea leaves.

Optionally, the second driving device comprises a dc motor 6 and a transmission mechanism, where the transmission mechanism can also be a gear transmission, a chain transmission, a belt transmission, etc., and a gear transmission 7 is used in the drawing.

In the black tea fermentation process, the three-phase motor drives the hopper to rotate at a constant speed, and the tea leaves are cooled by matching with the leaf homogenizing device, so that the influence on the taste of the tea leaves caused by overhigh temperature of local tea leaves is avoided. In addition, the rotary hopper is matched with the rotary spraying frame to provide a fermentation environment with uniformly distributed temperature, humidity and oxygen, and the tea leaves are fully stirred so as to be uniformly fermented. Meanwhile, after fermentation is finished, when the temperature is set to be 50-60 ℃, the drying effect can be achieved, and therefore the production efficiency is improved.

Alternatively, the frame 1 is mainly formed by welding 30 × 30 × 5 equal angle steel as shown in fig. 2, and is used for supporting and mounting the whole fermentation machine parts. Wherein, a hot rolled plate with the thickness of 4mm is welded on the left side of the frame 1, and a hole with the thickness of 50mm is arranged in the middle of the hot rolled plate and is used for installing the spraying rotating frame part.

Alternatively, the hopper 11 is structured as shown in fig. 3 and 4, the material is food-grade stainless steel 304, and unlike the traditional static fermentation hopper placed on a bracket, the hopper 11 can complete low-speed and uniform-speed rotation under the drive of a three-phase motor, so that the tea leaves are fermented more uniformly.

Alternatively, the structure of the leaf homogenizing device 3 is as shown in fig. 8, and the leaf homogenizing device is uniformly sleeved in the rotary spraying frame 2 and takes the shape of a rake. The air holes are formed in the rotary spraying frame support, the leaf homogenizing device only has the function of homogenizing leaves, one leaf homogenizing device is arranged between every two holes of the rotary spraying frame support, and the leaf homogenizing device is welded on the rotary spraying frame support.

Alternatively, the rotary spray frame 2 is constructed as shown in FIG. 9, the main pipe is a 50mm diameter circular pipe, the branch pipes are 25mm circular pipes, and each branch pipe is uniformly perforated for spraying hot gas and moisture. A cylindrical iron with the diameter of 20 and the length of 100 is welded at the tail part of the rotary spraying frame 2 as shown in figure 10 and is used as a driven part of a cam mechanism, so that the rotary spraying frame ascends and then descends in the rotating process, and the leaf evening device 3 can conveniently enter the hopper disc to complete leaf evening. The rotary spraying frame is preferably in transmission connection with the three-phase motor through a gear. At the moment, the driving wheel selects the gear with larger tooth thickness, and the driven wheel selects the gear with smaller tooth thickness, so that the up-and-down movement generated during the transmission of the rotary spraying frame is met.

Alternatively, the cam 5 is constructed as shown in fig. 11 and welded to the frame to cooperate with the rotating frame 2, as shown in fig. 12.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A black tea fermentation machine is characterized by comprising: the black tea stirring and spraying device comprises a rack, a rotary hopper assembly rotationally mounted on the rack, and a stirring and spraying assembly for stirring and spraying black tea in the rotary hopper assembly;

the rotary hopper assembly comprises a hopper, a hopper connecting shaft and a first driving device, the hopper connecting shaft is vertically and rotatably connected to the rack, the hopper is mounted on the hopper connecting shaft, and the hopper connecting shaft is driven to rotate by the first driving device;

the stirring and spraying assembly comprises a rotary spraying frame, a leaf homogenizing device, a second driving device, a hot air box and a steam generating box, the rotary spraying frame is rotatably connected to the rack, a branch pipe is communicated with the rotary spraying frame, an outlet is formed in the branch pipe, the leaf homogenizing device is fixed to the branch pipe, the hot air box and the steam generating box are communicated with the rotary spraying frame, and the rotary spraying frame is driven to swing through the second driving device.

2. A black tea fermentation machine according to claim 1, wherein the hopper connecting shaft is formed by connecting a plurality of sub connecting shafts in sequence, the sub connecting shafts are three-section stepped shafts, the uppermost section is provided with external threads, the lowermost section is provided with internal threads, and the two connected sub connecting shafts are connected through the external threads of the uppermost section and the internal threads of the lowermost section.

3. A black tea fermentation machine according to claim 2, wherein each sub-connecting shaft is fixedly connected with a hopper.

4. A black tea fermentation machine according to claim 3, wherein the middle section of the three-section stepped shaft is externally threaded, the hopper is arranged on the middle section in a penetrating way, and the hopper is fixed on the middle section by screwing a nut into the middle section.

5. A black tea fermentation machine according to claim 1, wherein the frame is fixed with a cam, the rotary spraying frame passes through a central hole of the cam, and the rotary spraying frame is fixed with a supporting part which is abutted with the cam surface and is used as a driven part of the cam.

6. A black tea fermentation machine according to claim 1, wherein the swing angle of the rotary spray frame is 0 to 45 degrees.

7. A black tea fermentation machine according to claim 5 wherein said cam is a central through tubular body having a projection at its upper end.

8. A black tea fermentation machine according to claim 1, wherein the leaf evening device is in the shape of a rake.