CN111670973B - Needle-shaped green tea preparation system and preparation method - Google Patents
Needle-shaped green tea preparation system and preparation method Download PDFInfo
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- CN111670973B CN111670973B CN202010582688.4A CN202010582688A CN111670973B CN 111670973 B CN111670973 B CN 111670973B CN 202010582688 A CN202010582688 A CN 202010582688A CN 111670973 B CN111670973 B CN 111670973B
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- 238000003825 pressing Methods 0.000 claims description 21
- 238000010415 tidying Methods 0.000 claims description 19
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
- A23F3/12—Rolling or shredding tea leaves
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
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Abstract
The invention relates to the technical field of tea production and processing, in particular to a needle-shaped green tea preparation system and a preparation method thereof. In the scheme of this application, through adjusting the clearance width between the portion of kneading and twisting and the barrel, can adjust to different suitable width according to the different manufacturing procedure of tealeaves, improve aciculiform green tea preparation efficiency greatly.
Description
Technical Field
The invention relates to the technical field of tea production and processing, in particular to a needle-shaped green tea preparation system and a preparation method.
Background
As a natural green beverage, the tea is a long-standing cultural tradition in China, and the Chinese green tea not only has the most famous products, but also has excellent quality, unique and elegant shape, and good artistic appreciation value, and is more and more popular with people.
In terms of tea production and processing processes, the tea production and processing processes mainly comprise the steps of picking, spreading and airing, deactivating enzymes, rolling, drying and the like, wherein after the tea is picked, the tea is spread and aired firstly, so that fresh leaves are radiated, grass air is volatilized, leaves are dehydrated and softened, and the water content of the tea is controlled to be about 70-75%; then carrying out a green removing process, wherein the green removing of the tea leaves is to destroy and passivate the activity of oxidase in the fresh tea leaves by high temperature, inhibit the enzymatic oxidation of tea polyphenol and the like in the fresh tea leaves, evaporate partial water in the fresh tea leaves, soften the tea leaves, facilitate rolling and forming, simultaneously disperse green odor and promote the formation of good aroma; after the tea leaves are completely enzyme-deactivated, rolling the tea leaves by using a rolling device to crush tea leaf cells and extrude tea juice to attach the tea juice to the surface of a tea strip, so that the concentration of tea soup is increased, the viscosity is increased, the appearance of the tea leaves is favorably formed, and the tea leaves are formed into strips after the rolling is completed; and then, tea leaf strip tidying is carried out, tea leaves are extruded by the extruding part while being in a strip tidying groove of the strip tidying machine, meanwhile, the strip tidying groove moves in a reciprocating mode relative to the extruding part, the heating device heats the strip tidying groove, so that the tea leaves are dried and shaped in the reciprocating motion, the moisture content of the tea leaves is about 15-20%, and then the tea leaves are placed into the drying device to be dried to obtain a finished tea leaf product.
In the further production process, the inventor finds that the current tea processing mode still has defects, such as the following:
in the current tea processing process, in order to ensure the production efficiency, mechanical processing is generally adopted in each step, wherein a kneading device mainly comprises a kneading disc, a kneading cylinder, a pressure adding cover and other components, tea leaves are placed in the kneading cylinder, the kneading disc, the kneading cylinder and the pressure adding cover are matched together to knead the tea leaves, and a plurality of arc-shaped ribs are arranged on the kneading disc to enable the tea leaves to be formed into a roll in the kneading process. Although the rolling speed is high, in the rolling process, a large amount of tea leaves exist in the rolling channel between the adjacent arc-shaped ribs, and in the rolling process, the tea leaves are wound with each other, namely, the tea leaves of one tea leaf or all the tea leaves are wound in a roll formed by other tea leaves, so that after the rolling process is finished, the problem of mutual winding of the tea leaves often occurs, even a part of the tea leaves are agglomerated in serious cases, if the tea leaves enter the strip tidying device in the state, on one hand, the tea leaf phase is seriously influenced, on the other hand, the tea leaves are heated and dried in the strip tidying process, the mutually wound tea leaves are extremely easy to break, so that the leaf crushing rate is high, and a large amount of tea leaves are wasted while the tea leaf phase is further influenced.
In order to solve the problems, in the conventional production process, when the tea leaves are put into the tea strip tidying device, manual shaking and paving are needed, or a vibration paving structure is arranged above the tea strip tidying device, and the tea leaves wound together are separated as much as possible through vibration of the manual or vibration paving structure, so that the tea leaves are not wound mutually as much as possible, the finished tea leaf phase is ensured, and the broken leaf rate is reduced. However, the labor intensity of workers is high by adopting a manual shaking and paving mode, the reliable scattering of the winding among the tea leaves is difficult to guarantee, the structural complexity of the carding machine is increased by adopting a mode of arranging a vibrating and paving structure above the carding machine, the equipment cost is increased, and the subsequent cleaning work of the carding machine is also greatly influenced.
Therefore, there is a need to design a tea leaf preparation device that can reduce the labor intensity of workers and ensure good processing quality of tea leaves.
Disclosure of Invention
The invention aims to: aiming at the defects that in the prior needle-shaped green tea preparation process, tea leaves are wound in the tea leaf rolling procedure, so that the labor intensity of workers is high and the broken tea leaf rate is high, the tea leaf preparation device capable of reducing the labor intensity of the workers and ensuring the good processing quality of the tea leaves is provided.
In order to achieve the above purpose, the invention provides the following technical scheme:
the needle-shaped green tea preparation system comprises a rolling device, wherein the rolling device comprises a hollow barrel body which is horizontally arranged, sealing plates are arranged at two ends of the barrel body, a rotating shaft is arranged in the barrel body, one end of the rotating shaft penetrates through the sealing plates to be connected with a driving device outside the barrel body, a rolling component is arranged on the rotating shaft and comprises a connecting component and a rolling part for rolling tea leaves, the connecting component is connected between the rolling part and the rotating shaft, and the width of a gap between the rolling part and the barrel body is adjustable.
In the scheme of the application, the rolling device of the needle-shaped green tea preparation system is characterized in that tea leaves after being de-enzymed are placed in the barrel body when the tea leaves are prepared, the driving device is started, the rotating shaft rotates, the rolling part rolls the tea leaves in the rotating process of the rolling part along with the rotating shaft, the rolling device is adopted, the barrel body is horizontally arranged, the rolling is realized in the rotating process of the rolling part, the tea leaves are continuously pushed up in the vertical direction and then fall down when being rolled, on one hand, the tea leaves are intermittently pressed, the quantity of mutual rolling of the pressed tea leaves is small, the rolling degree is light, the rolling is loose, further, the tea leaves wound together are also not broken and scattered in the pushing up and falling processes, therefore, the rolling device is adopted, after the rolling step is completed, the mutual rolling degree of the tea leaves is low or the mutual rolling phenomenon does not exist, the workload of manual scattering and paving is greatly reduced, the problem that the cost of the device is increased and the sorting device is increased due to the arrangement of the tea leaves, the mutual scattering difficulty of the tea leaves is greatly reduced, and the mutual scattering of the tea leaves is greatly reduced, and the waste in the subsequent processes is reduced,
through adjusting the clearance width between kneading portion and the barrel, can adjust to different suitable width according to the different manufacturing procedure of tealeaves, also can require to adjust to different suitable width according to different tealeaves varieties or variety, improve the adaptability of kneading the device by a wide margin, for example to the tealeaves that model reason strip process requirement is not high, can omit reason strip equipment, and directly carry out reason strip process in the kneading the device of this application, so, simplify tealeaves preparation equipment line by a wide margin.
Preferably, in the circumferential direction around the barrel, one side of the rolling part is a feeding side, the other side of the rolling part is a discharging side, the distance between the feeding side and the inner wall of the barrel is greater than the distance between the discharging side and the inner wall of the barrel, and a rolling cavity for rolling tea leaves is formed between the feeding side and the inner wall of the barrel.
Preferably, the barrel comprises a scraping section, a rolling section and a feeding section, the scraping section is located at the bottom of the barrel, the feeding section is located at the upper half part of the barrel, a feeding hole for feeding tea leaves is formed in the feeding section, the lower end of the rolling section is connected with the scraping section, the upper end of the rolling section is connected with the feeding section, the rolling section is located behind the scraping section in the rotating direction of the rotating shaft, the rolling section firstly passes through the scraping section located at the bottom and then passes through the rolling section during rotation of the rolling part, the rolling cavity is formed between the rolling part and the rolling section, and the rolling part and the scraping section are in sliding fit or clearance fit.
Preferably, the length of the twisting part along the length direction of the cylinder body is matched with the length of the cylinder body, and two ends of the twisting part along the length direction are respectively in clearance fit with the corresponding seal plates.
Preferably, the length of the connecting member is adjustable.
Preferably, the connecting part comprises a connecting rod and a pressing rod, one end of the connecting rod is fixedly connected with the rotating shaft, the other end of the connecting rod is hinged with the twisting part, one end of the pressing rod connected with the connecting rod is hinged with the twisting part, the other end of the pressing rod connected with the connecting rod is in sliding fit with the connecting rod, a locking device is arranged at the end part of the pressing rod matched with the connecting rod, and the locking device is used for locking the sliding connection between the connecting rod and the pressing rod.
Preferably, the compression bar is an elastic member with elasticity. The elastic element can adopt an elastic structure such as a reed.
Preferably, the connecting parts are provided in number, and adjacent connecting parts are arranged at intervals.
Preferably, the distance between adjacent connecting members is greater than or equal to 10mm.
As a further preference, the distance between adjacent said connecting members is greater than 30mm.
Preferably, the number of the rolling assemblies is a plurality, and the rolling assemblies are uniformly distributed on the circumference of the rotating shaft in the circumferential direction.
Preferably, the kneading part has a width to ensure that at least a part of the tea leaves kneaded by the upper kneading member falls into the kneading chamber of the lower kneading member when the rotary shaft rotates.
Preferably, the scraping section feeding section is hinged, and the other side of the scraping section feeding section is detachably connected with the rolling section.
Preferably, the scraping section is made of heat conduction materials, and a heating assembly for heating the scraping section is arranged on the outer wall of the scraping section.
Preferably, the driving device is further connected to a forward/reverse rotation control device for controlling a rotation direction of the rotary shaft.
Preferably, a gap between the discharge side of the twisting part and the scraping section is less than 2mm.
Preferably, the angle between the line connecting the lower end of the twisting segment to the center of the rotating shaft and the straight line vertically downwards passing through the center of the rotating shaft is A, and the angle is more than 10 degrees and less than A and less than 180 degrees.
As a preferred scheme, A is more than or equal to 30 degrees and less than or equal to 90 degrees.
As another preferred embodiment, 90. Ltoreq.A < 180 ℃.
Preferably, the cross section of the twisting section is in a shape of a variable diameter arc in a cross section perpendicular to the axis of the rotating shaft, and the curvature radius of the twisting section gradually decreases in a direction from the lower end to the upper end of the cross section, so that a gap between the twisting section and the twisting section gradually decreases when the twisting section passes through the twisting section.
Preferably, the distance between the discharge side of the twisting part and the inner wall of the lower end of the twisting section is 10-20mm, and the distance between the discharge side of the twisting part and the inner wall of the upper end of the twisting section is 5-10mm.
Preferably, a plurality of arc-shaped grooves along the length direction are further arranged on the inner wall of the twisting section, and between every two arc-shaped grooves, adjacent arc-shaped grooves are in smooth transition connection.
Preferably, the depth of the arc-shaped groove is 1-2mm, and the width of the arc-shaped groove is 2-4mm.
Preferably, the cylinder is rotatably mounted, a locking device for locking the cylinder to rotate is further arranged on the cylinder, and the locking device is detachably connected with the cylinder.
Preferably, one side of the rolling part facing the inner wall of the barrel body is arc-shaped, and the rolling cavity is gradually reduced in the direction from the feeding side to the discharging side.
The application also discloses a preparation method for the aciform green tea,
a needle-shaped green tea manufacturing method is characterized in that after the tea leaf fixation process is completed, the needle-shaped green tea manufacturing system in example 1 is adopted to sequentially carry out the rolling step, the strip tidying step and the drying step on the tea leaves. According to the preparation method, the needle-shaped green tea preparation system is adopted, so that on one hand, the tea quality is greatly improved, the waste caused by the broken leaf rate is reduced, and meanwhile, the rolling step, the strip tidying step and the drying step are all carried out in the green tea preparation system, so that the preparation equipment cost is greatly saved, the labor and time consumption during turnover among the steps are also avoided, and the preparation efficiency is also greatly improved.
Compared with the prior art, the invention has the following beneficial effects:
in the scheme of the application, the kneading device of the needle-shaped green tea preparation system, when tea is prepared, tea leaves after enzyme deactivation are placed in the barrel, the driving device is started, the rotating shaft rotates, in the process that the kneading part rotates along with the rotating shaft, the kneading part kneads the tea leaves, the kneading device is adopted, the barrel is horizontally arranged, kneading is realized in the rotating process of the kneading part, the tea leaves are continuously pushed up vertically and then fall down when being kneaded, in the process, on one hand, the tea leaves are intermittently pressed, the quantity of mutually wound pressed tea leaves is small, the winding degree is also light, the winding is loose, further, the tea leaves wound together are also not continuously scattered in the pushing up and falling processes, therefore, the kneading device is adopted, after the kneading step is completed, the degree of mutually winding tea leaves is low or the phenomenon of mutually winding does not exist, therefore, the workload of manually scattering and paving is greatly reduced, the problem that the cost of the device is increased and the sorting device is increased due to the arrangement of the tea leaves is solved, the mutual dispersion difficulty of the tea leaves is greatly reduced, and the mutual dispersion of the tea leaves is reduced, and the problem of the dispersion of the tea leaves in the subsequent processes is greatly reduced, and the mutual dispersion rate of the tea leaves is reduced.
The width of the gap between the rolling part and the barrel body is adjusted to different proper widths according to different processing procedures of tea leaves, and also can be adjusted to different proper widths according to different tea leaf varieties or variety requirements, so that the adaptability of the rolling device is greatly improved, for example, for tea leaves with low requirements on a model strip tidying procedure, strip tidying equipment can be omitted, and the strip tidying procedure can be directly carried out in the rolling device, and therefore, a tea leaf preparation equipment line is greatly simplified;
dividing the barrel in the circumferential direction, wherein the scraping section is positioned at the bottom, and the rolling section is positioned behind the scraping section, so that the bottom position of the barrel is prevented from being generated by the extrusion rolling action of tea leaves, and the problem that the tea leaves at the bottom of the barrel are seriously wound or even cake-shaped due to repeated extrusion rolling is avoided; particularly, in the mode of the application, the tea leaves are broken up after being rolled by the rolling part for one time, so that the mutual winding among the tea leaves cannot be too tight and is far loosened from the winding tightness formed by the traditional rolling mode, on one hand, the breakage of the wound tea leaves during the breaking is reduced, the leaf crushing rate is further reduced, the tea leaf quality is improved, on the other hand, the tea leaves are broken up continuously in the rolling process, single strips are easier to form, and the subsequent strip tidying process can be greatly simplified;
the width of the twisting part ensures that at least a part of the tea leaves twisted by the upper twisting component falls into the twisting cavity of the lower twisting component when the rotating shaft rotates. According to the scheme of the application, the width of the rolling part is matched with the separation distance of the rolling component, in the tea rolling process, for a single rolling cavity, when the tea passes through the scraping section, the interior of the rolling cavity is filled with tea at the bottom of the barrel, then the tea is rolled through the rolling section, the tea in the rolling cavity is gradually extruded out of the lower end of the rolling part, and the tea falling from the upper rolling part is continuously filled into the upper part of the rolling cavity, so that the rolling efficiency of the tea is improved on one hand, and on the other hand, the problem that the rolling effect is poor due to less tea in the rolling cavity is avoided, further, as the rolling cavity is gradually reduced when the rolling cavity passes through the rolling section, namely when the rolling part moves to the rear section of the rolling section, the tea in the rolling cavity is substantially the tea which is partially rolled and extruded at the front part of the rolling section, so that the tea is further strongly rolled and extruded in fact, the rolling efficiency is further improved, the rolling part can be further rolled with the shape of the tea, and the finished tea can be further simplified;
according to the preparation method, due to the adoption of the needle-shaped green tea preparation system, on one hand, the tea quality is greatly improved, the waste caused by the broken leaf rate is reduced, and on the other hand, the rolling step, the strip tidying step and the drying step are carried out in the green tea preparation system, so that the preparation equipment cost is greatly saved, the labor and time consumption during the turnover among the steps are avoided, and the preparation efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of a kneading apparatus according to one embodiment;
FIG. 2 is a schematic structural view of the kneading device when the kneading segment is provided with the arc-shaped groove;
fig. 3 is a schematic view of the structure of the twisting part matching with the connecting rod.
The following are marked in the figure: 1-barrel, 2-closing plate, 3-rotating shaft, 4-driving device, 5-kneading part, 6-connecting rod, 7-pressing rod, 8-kneading cavity, 9-feeding side, 10-discharging side, 11-scraping section, 12-kneading section, 13-feeding section, 14-feeding port, 15-arc groove and 16-heating component.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments, but it should not be construed that the scope of the above-described subject matter of the present invention is limited to the following examples, and that techniques realized based on the contents of the present invention are within the scope of the present invention.
Example 1, as shown in figures 1-3:
a needle-shaped green tea preparation system comprises a rolling device, wherein the rolling device comprises a hollow cylinder body 1 which is horizontally arranged, sealing plates 2 are arranged at two ends of the cylinder body 1, a rotating shaft 3 is arranged in the cylinder body 1, one end of the rotating shaft 3 penetrates through the sealing plates 2 to be connected with a driving device 4 outside the cylinder body 1, a rolling component is arranged on the rotating shaft 3 and comprises a connecting component and a rolling part 5 for rolling tea leaves, the connecting component is connected between the rolling part 5 and the rotating shaft 3, and the width of a gap between the rolling part 5 and the cylinder body 1 is adjustable.
In the scheme of the application, the rolling device of the needle-shaped green tea preparation system is characterized in that tea leaves after being de-enzymed are placed in the barrel body 1 when the tea leaves are prepared, the driving device 4 is started, the rotating shaft 3 rotates, the rolling part 5 rolls the tea leaves in the rotating process of the rolling part 5 along with the rotating shaft 3, the barrel body 1 is horizontally arranged, the rolling is realized in the rotating process of the rolling part 5, the tea leaves are continuously pushed up and then fall down in the vertical direction when being rolled, in the process, on one hand, because the tea leaves are intermittently pressed, the number of pressed mutual windings is small, the winding degree is light, the windings are loose, further, the tea leaves wound together are not broken and scattered in the pushing up and falling processes, the rolling device is adopted, after the rolling step is completed, the mutual winding degree between the tea leaves is low or the mutual winding phenomenon does not exist, therefore, the workload of manual spreading is greatly reduced, the problem that the cost of a vibration spreading structure is increased and the tea leaf sorting device is added on a strip sorting device is avoided, the problem of sorting device is solved, the tea leaves are mutually wound, the mutual winding rate is reduced, the problem of the tea leaves is reduced, the mutual winding rate is reduced, the broken tea leaves in the subsequent processes is reduced, and the problem of the broken tea leaves is reduced, the broken tea leaves are also, the broken tea leaves are wasted in the subsequent processes is reduced,
through adjusting the clearance width between rolling portion 5 and the barrel 1, can be according to the different manufacturing procedure adjustment of tealeaves for different suitable width, also can require the adjustment to different suitable width according to different tealeaves varieties or variety, improve the adaptability of rolling the device by a wide margin, for example to the tealeaves that model reason strip process requirement is not high, can omit reason strip equipment, and directly carry out reason strip process in the rolling device of this application, so, simplify tealeaves preparation equipment line by a wide margin.
In a preferred embodiment, in addition to the above-mentioned mode, in the circumferential direction around the barrel 1, one side of the rolling part 5 is a feeding side 9, and the other side is a discharging side 10, a distance between the feeding side 9 and the inner wall of the barrel 1 is greater than a distance between the discharging side 10 and the inner wall of the barrel 1, and a rolling cavity 8 for rolling the tea leaves is formed between the feeding side 9 and the inner wall of the barrel 1. In the process that the rolling part 5 rotates along with the rotating shaft 3, tea leaves enter a rolling cavity 8 between the rolling part 5 and the inner wall of the barrel body 1 from a feeding side 9, in the process that the rolling part 5 further rotates, the tea leaves are gradually extruded out from a gap between a discharging side 10 and the barrel body 1 under the self-weight and the friction action of the inner wall of the barrel body 1 to finish primary rolling, and then enter the next rolling action.
In a preferred embodiment, in addition to the above-mentioned mode, the barrel 1 includes a scraping section 11, a rolling section 12 and a feeding section 13, the scraping section 11 is located at the bottom of the barrel 1, the feeding section 13 is located at the upper half of the barrel 1, a feeding port 14 for feeding tea leaves is provided on the feeding section 13, the lower end of the rolling section 12 is connected to the scraping section 11, the upper end of the rolling section 12 is connected to the feeding section 13, the rolling section 12 is located behind the scraping section 11 in the rotation direction of the rotation shaft 3, so that the rolling section 5 passes through the scraping section 11 at the bottom and then passes through the rolling section 12, the rolling cavity 8 is formed between the rolling section 5 and the rolling section 12, and the rolling section 5 and the scraping section 11 are in a sliding fit or a clearance fit during rotation of the rolling section 5. In this way, firstly, the bottom position of the barrel body 1 is avoided from generating by the extrusion kneading action of the tea leaves, and the problem that the tea leaves at the bottom of the barrel body 1 are seriously wound or even cake-shaped due to repeated extrusion kneading is avoided, in this way, the extrusion and kneading actions of the tea leaves occur in the kneading section 12, the tea leaves naturally fall after being extruded and kneaded, and in this way, the tea leaves are mutually wound and scattered, and thus, the effect of scattering the mutual winding among the tea leaves is further ensured; specially, in the mode of this application, knead 5 at tealeaves through once and knead the action after along with breaking up the action promptly, make the intertwine that appears between tealeaves like this can not form too closely, loose the compactness of the coiling that the mode formed in traditional kneading far away, the fracture of being convoluteed tealeaves when reducing to break up on the one hand, further reduce garrulous leaf rate, improve tealeaves quality, on the other hand, because tealeaves is constantly broken up at the kneading and twisting in-process, form single strip more easily, can simplify subsequent reason strip process by a wide margin.
In a preferred embodiment, in addition to the above-described embodiment, the length of the rolling portion 5 in the longitudinal direction of the cylindrical body 1 is matched to the length of the cylindrical body 1, and both ends of the rolling portion 5 in the longitudinal direction are respectively fitted to the corresponding sealing plates 2 with a clearance. This ensures that the tea leaves in the entire barrel 1 can act uniformly on the rolling part 5.
Preferably, the length of the connecting member is adjustable. Thus, the adjustment of the distance between the twisting part 5 and the twisting section 12 is further facilitated.
As a preferable embodiment, in addition to the above-mentioned embodiment, the connecting member includes a connecting rod 6 and a pressing rod 7, one end of the connecting rod 6 is fixedly connected to the rotating shaft 3, the other end of the connecting rod is hinged to the twisting part 5, one end of the pressing rod 7 is connected to the twisting part 5, the other end of the pressing rod 7 is in sliding fit with the connecting rod 6, and a locking device is provided at the end of the pressing rod 7 that is in fit with the connecting rod 6, and the locking device is used for locking the sliding connection between the connecting rod 6 and the pressing rod 7. The distance and the width between the twisting part 5 and the twisting section 12 are adjusted by sliding the position of the pressure rod 7 on the connecting rod 6, and when the required width is achieved, the sliding between the pressure rod 7 and the connecting rod 6 is locked by the locking device.
In a preferred embodiment, in addition to the above-mentioned embodiment, the pressing rod 7 is an elastic member having elasticity. The elastic element can adopt an elastic structure such as a reed. The pressing rod 7 is set to be an elastic part, the elastic part with a proper elastic coefficient can be selected, the situation that tea leaves are damaged due to overlarge extrusion force applied by the rolling part 5 is avoided, and the pressing rod 7 with different elastic coefficients can be selected according to different tea leaves of different varieties or different qualities, so that the rolling and extruding pressure degrees which are matched with each other are provided.
In a preferred embodiment, in addition to the above-described aspect, the number of the connecting members is plural, and the adjacent connecting members are spaced apart from each other. Adopt this kind of mode, at first ensure stability and the reliability of connecting, moreover, knead the subassembly and rotate the process after only strangely, adapting unit collides the tealeaves of barrel 1, further improvement to the effect of breaking up of intertwining tealeaves.
As a preferable embodiment, further to the above, a distance between adjacent connecting members is greater than or equal to 10mm. The more connecting portion set up, the better to the effect of breaking up coiling between tealeaves, but the distance undersize between the connecting portion, for example when the concatenation formed the slabby, the tealeaves that falls can slide along the plate that connecting portion formed again, breaks up the effect and reduces by a wide margin, so, in this embodiment, adopt this size, ensure good effect of breaking up.
As a further preference, the distance between adjacent said connecting members is greater than 30mm. For certain tea leaves with larger single size, the larger distance can be adopted between the connecting parts to ensure good scattering effect.
As a preferred embodiment, in addition to the above, the rolling members are provided in plural numbers, and are circumferentially and uniformly distributed in the circumferential direction around the rotation shaft 3. The subassembly of kneading and entwisting is a plurality of, at first the improvement that can be by a wide margin kneads efficiency, moreover, has still improved tealeaves by a wide margin and has broken up the effect, especially adopts a plurality of subassemblies of kneading and entwisting, and tealeaves is being kneaded portion 5 extrusion when falling, with the adapting unit collision of below, and the tealeaves of convoluteing each other is broken up or is loose by the collision, so, the winding degree of further reduction tealeaves spare.
In a preferred embodiment, in addition to the above-mentioned embodiment, the width of the rolling part 5 is such that at least a part of the tea leaves rolled by the upper rolling unit falls into the rolling chamber 8 of the lower rolling unit when the rotation shaft 3 rotates. In the scheme of this application, the width of rolling portion 5 and the spacing distance phase-match of rolling the subassembly, in the tealeaves rolling process, to single rolling chamber 8 and, when scraping section 11, its inside is filled up by the tealeaves of barrel 1 bottom, then cross rolling section 12 and roll tealeaves, the tealeaves of rolling in chamber 8 is extruded and is rolled the lower extreme of portion 5, and the upper portion of rolling chamber 8 is constantly had the tealeaves that upper portion rolled portion 5 fell and is mended into, so on the one hand, improved the efficiency of rolling to tealeaves, on the other hand also avoid rolling chamber 8 interior tealeaves less and appear rolling the not good problem of effect, and further, because rolling chamber 8 when rolling section 12, rolling chamber 8 reduces gradually, when rolling portion 5 moves to section 12 back end, the tealeaves that rolls is the tealeaves that the portion was rolled for the anterior part of last rolling section 12 and is partially rolled the tealeaves extruded, so, in fact, further extrude this part tealeaves and roll the more strongly, and further improve the efficiency of rolling simultaneously, make the tealeaves obtain more simplified rolling process with subsequent rolling process.
In a preferred embodiment, in addition to the above-mentioned manner, the feeding section 13 of the scraping section 11 is hinged, and the other side is detachably connected to the twisting section 12. Through such a mode, after the tea leaves in the barrel body 1 are kneaded, the scraping section 11 is opened, so that the tea leaves in the barrel body 1 can be unloaded, and the operation process is simple and convenient.
In a preferred embodiment, in addition to the above manner, the scraping section 11 is made of a heat conducting material, and a heating assembly 16 for heating the scraping section 11 is disposed on an outer wall of the scraping section 11. Owing to adopt the device of kneading of this application, can reduce the coiling between tealeaves by a wide margin to owing to knead portion 5 and knead the special shape and the cooperation of twisting section 12, can form good reason strip effect, so, adopt the device of kneading of this application, can knead the completion back at tealeaves, start heating element 16, carry out reason strip process in barrel 1, after the reason strip is accomplished, with tealeaves moisture content control at suitable level, so simplified tealeaves production facility by a wide margin, the equipment cost has been practiced thrift by a wide margin, also practiced thrift a large amount of manual works.
In a preferred embodiment, in addition to the above-described embodiment, a forward/reverse rotation control device for controlling the rotation direction of the rotary shaft 3 is further connected to the drive device 4. Through the forward and reverse rotation control device, when the rolling process is finished, the tea leaves in the rolling cavity 8 can be poured out through the reverse rotation of the rotating shaft 3, so that the tea leaves in the rolling cavity 8 are prevented from being left; when the tea leaves are arranged, the rotating shaft 3 is reversed, and the tea leaves in the barrel body 1 are continuously turned, so that the aim of integral drying is fulfilled.
In a preferred embodiment, in addition to the above-mentioned embodiment, a gap between the discharge side 10 of the kneading portion 5 and the scraping section 11 is less than 2mm. Knead the delivery side 10 of portion 5 and scrape the clearance between the section 11 and be less than 2mm, this width can be ensured to knead portion 5 and smoothly rotate, by can avoiding tealeaves to pass through from this clearance, so, make to knead portion 5 when scraping section 11, can will scrape the tealeaves of section 11 bottoms, when avoiding 1 bottom tealeaves cake of barrel, also realize stirring of a section of thick bamboo interior tealeaves, further realize good effect of breaing up.
In a preferred embodiment, in addition to the above-mentioned manner, a line connecting the lower end of the twisting segment 12 to the center of the rotation shaft 3 forms an angle a with a straight line vertically downward passing through the center of the rotation shaft 3, wherein the angle a is 10 ° < a < 180 °. Set up contained angle A to this scope, just through kneading and twisting section 12 after making tealeaves pushed up a take the altitude by kneading and twisting portion 5, ensure that the tealeaves after being kneaded can free fall, and then realize that convoluteing tealeaves each other is broken up.
As a preferred embodiment, A is 30 DEG or more and 90 DEG or less. When contained angle A set up to this scope, make tealeaves pile up in ejection of compact side 10 top under 8 inherent dead weight states in kneading the chamber on the one hand, at 5 rotation in-process of kneading the portion of twisting, extrude by ejection of compact side 10 more easily, improve and knead efficiency, moreover, in this angle within range, extrude tealeaves and have had higher whereabouts height, do benefit to the scattering between the tealeaves of coiling each other.
As a further preferred variant, 90 ℃ A < 180 ℃. When contained angle A sets up to this scope, the tealeaves after being kneaded has higher whereabouts height, and after falling down clashes mutually with pivoted adapting unit mutually, so further reduced the degree of convoluteing each other between tealeaves, moreover, because in this angle scope, it is not serious to knead tealeaves in 8 chambers under the dead weight effect, so the quantity of convoluteing each other that appears when being kneaded and the degree of convoluteing also lighter, so, has also further reduced the broken leaf rate in the tealeaves preparation process.
Preferably, the cross section of the twisting segment 12 is in a shape of a variable diameter arc in a cross section perpendicular to the axis of the rotating shaft 3, and the curvature radius of the twisting segment 12 is gradually reduced along a direction from the lower end to the upper end thereof, so that the gap between the twisting segment 12 and the twisting segment 5 is gradually reduced when the twisting segment 12 passes through the twisting segment 5. In the rotating process of the rolling part 5, tea leaves in the rolling part are gradually rolled and extruded, so that in the scheme of the application, the curvature radius of the rolling section 12 is gradually reduced from bottom to top, the rolling part 5 can gradually reduce the clearance between the rolling section 12 and the rolling section 12 when passing through the rolling section 12, and thus, the smooth rolling and extrusion of the tea leaves in the rolling cavity 8 are ensured, and the enough rolling force is ensured.
Preferably, the distance between the discharging side 10 of the rolling part 5 and the inner wall of the lower end of the rolling section 12 is 10-20mm, and the distance between the discharging side 10 of the rolling part 5 and the inner wall of the upper end of the rolling section 12 is 5-10mm.
As a preferred embodiment, on the basis of the above manner, a plurality of arc-shaped grooves 15 along the length direction are further provided on the inner wall of the twisting section 12, and between each arc-shaped groove 15, adjacent arc-shaped grooves 15 are connected in a smooth transition manner. Through setting up long banding recess 15, more do benefit to tealeaves and knead into the strip, simplify follow-up reason strip process.
As a preferable embodiment, further based on the above manner, the depth of the arc groove 15 is 1 to 2mm, and the width of the arc groove 15 is 2 to 4mm. By adopting the depth, the tea can be formed into strips, and the problem that single tea cannot move along with the rolling part 5 because the single tea is too much sunk into the groove 15 is avoided.
As a preferred embodiment, in addition to the above-mentioned embodiment, the cylinder 1 is rotatably mounted, and a locking device for locking the rotation of the cylinder 1 is further provided on the cylinder 1, and the locking device is detachably connected to the cylinder 1. In this mode, when dismantling locking device, can rotate barrel 1, so make things convenient for the cleanness of barrel 1, it is unusual, when needs carry out the reason strip process, can rotate barrel 1, make the section 12 of kneading and twisting that has arc recess 15 be located the bottom of barrel 1, make one of them knead the reciprocal rotation of the small-angle that twists portion 5 relapse, improve reason strip efficiency and reason strip effect by a wide margin.
In a preferred embodiment, in addition to the above-mentioned embodiment, the kneading part 5 has an arc shape on the side facing the inner wall of the cylinder 1, and the kneading chamber 8 is gradually reduced in the direction from the feeding side 9 to the discharging side 10. With the structure of the kneading cavity 8 with the shape, the tea leaves in the kneading cavity 8 can be smoothly and gradually squeezed out of the kneading cavity 8 along with the movement of the kneading part 5 in the kneading segment 12.
In the case of the example 2, the following examples are given,
a needle-shaped green tea manufacturing method is characterized in that after the tea leaf fixation process is finished, the needle-shaped green tea manufacturing system in example 1 is adopted to carry out the rolling step, the strip tidying step and the drying step on the tea leaves in sequence. According to the preparation method, the needle-shaped green tea preparation system is adopted, so that on one hand, the tea quality is greatly improved, the waste caused by the broken leaf rate is reduced, and meanwhile, the rolling step, the strip tidying step and the drying step are all carried out in the green tea preparation system, so that the preparation equipment cost is greatly saved, the labor and time consumption during turnover among the steps are also avoided, and the preparation efficiency is also greatly improved.
The above embodiments are only used for illustrating the invention and not for limiting the technical solutions described in the invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; but all technical solutions and modifications thereof without departing from the spirit and scope of the present invention are encompassed in the claims of the present invention.
Claims (7)
1. A needle-shaped green tea preparation system is characterized in that: comprises a rolling device, the rolling device comprises a hollow cylinder body which is horizontally arranged, sealing plates are arranged at two ends of the cylinder body, a rotating shaft is arranged in the cylinder body, one end of the rotating shaft penetrates through the sealing plates to be connected with a driving device outside the cylinder body, a rolling component is arranged on the rotating shaft and comprises a connecting component and a rolling part for rolling tea leaves, the connecting component is connected between the rolling part and the rotating shaft,
the width of a gap between the twisting part and the barrel is adjustable; the connecting component comprises a connecting rod and a pressing rod, one end of the connecting rod is fixedly connected with the rotating shaft, the other end of the connecting rod is hinged with the twisting part, one end of the pressing rod connected with the pressing rod is hinged with the twisting part, the other end of the pressing rod is in sliding fit with the connecting rod, a locking device is arranged at the end part of the pressing rod matched with the connecting rod, the locking device is used for locking the sliding connection between the connecting rod and the pressing rod, and the pressing rod is an elastic component with elasticity;
in the circumferential direction around the barrel, one side of the rolling part is a feeding side, the other side of the rolling part is a discharging side, the distance between the feeding side and the inner wall of the barrel is greater than the distance between the discharging side and the inner wall of the barrel, and a rolling cavity for rolling tea leaves is formed between the feeding side and the inner wall of the barrel;
the barrel comprises a scraping section, a rolling section and a feeding section, the scraping section is located at the bottom of the barrel, the feeding section is located at the upper half part of the barrel, a feeding hole for feeding tea is formed in the feeding section, the lower end of the rolling section is connected with the scraping section, the upper end of the rolling section is connected with the feeding section, the rolling section is located behind the scraping section in the rotating direction of the rotating shaft, the rolling section firstly passes through the scraping section located at the bottom and then passes through the rolling section in the rotating process of the rolling part, a rolling cavity is formed between the rolling part and the rolling section, and the rolling part and the scraping section are in sliding fit or clearance fit.
2. The needle-shaped green tea making system of claim 1, characterized in that: the length of the connecting part is adjustable.
3. The needle-shaped green tea making system of claim 2, characterized in that: the connecting parts are a plurality of, and the adjacent connecting parts are arranged at intervals.
4. The needle-shaped green tea making system of claim 3, characterized in that: the rolling components are uniformly distributed on the circumference of the rotating shaft in the circumferential direction, and the width of the rolling part ensures that at least one part of tea leaves rolled by the upper rolling component falls into the rolling cavity of the lower rolling component when the rotating shaft rotates.
5. The needle shaped green tea manufacturing system of claim 4, characterized by: the scraping section is made of heat conduction materials, a heating assembly used for heating the scraping section is arranged on the outer wall of the scraping section, a forward and reverse rotation control device is further connected to the driving device and used for controlling the rotation direction of the rotating shaft.
6. The needle-shaped green tea making system of claim 5, characterized in that: the inner wall of the twisting section is also provided with a plurality of arc grooves along the length direction, adjacent arc grooves are connected in a smooth transition mode between the arc grooves, the barrel body is installed in a rotatable mode, a locking device used for locking the barrel body in a rotating mode is further arranged on the barrel body, and the locking device is detachably connected with the barrel body.
7. A preparation method of needle-shaped green tea is characterized by comprising the following steps: after the tea leaf fixation process is completed, the needle-shaped green tea manufacturing system according to any one of claims 1 to 6 is used to sequentially perform a rolling step, a strip tidying step and a drying step on the tea leaves.
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