CN208940879U - The compacting sheet cold brew tea cake process units of high cell crashing ratio - Google Patents

Abstract

The utility model discloses the compacting sheet cold brew tea cake process units of high cell crashing ratio.The device includes water-removing unit, rubs unit, grinding unit, embossing unit and tea cake drying unit.Water-removing unit rubs unit, grinding unit, embossing unit and tea cake drying unit and respectively corresponds water-removing in the compacting sheet cold brew tea cake production technology of high cell crashing ratio, rub, grind, being pressed into cake and tea cake drying and other steps.Green tea cake cell crashing ratio prepared by the utility model process units is up to 90% or more, is suitable for cold water and steeps.

Description

The compacting sheet cold brew tea cake process units of high cell crashing ratio

Technical field

The present invention relates to tea processing techniques, in particular to are exclusively used in the green tea processing technology of cold bubble.

Background technique

It drinks with the cold water no more than 20 degree or with the tea that 4 degree or so of cold water is steeped is one kind side of drinking tea risen recently Formula.This tea steeped with cold water or cold water is drunk, cool, thirst-quenching, also very convenient, particularly suitable summer drinks tea, deep by a new generation Young man like.The standard that traditional tea processing technology is particular about tea leaf quality is color, smell, taste, shape and tea residue.Wherein shape and leaf Bottom refers to the shape appearance of tealeaves blade.Therefore traditional tea processing technology requires tealeaves to keep good shape, this to add Tea cell after work is complete.The leaching of tealeaves active principle is spongy micro- by leaving inside tealeaves after tea processing Hole, when tealeaves brews, moisture soaks people's tealeaves micropore, makes the dissolution of effective component.This processed tea of traditional tea processing technology When leaf is made tea with hot water, there is no problem for the leaching of effective component, but is steeped with cold water or cold water, then the leaching rate of effective content of tea It is lower.This is because effective content of tea is wrapped in tea cell, in the lower situation of water temperature, hydrone power is not Foot, in the complete situation of tea cell, it is difficult to be dissolved out effective component by tealeaves micropore.Therefore, cold water or cold water are steeped Tealeaves need special processing technology, to improve the leaching rate of the effective content of tea of cold brew tea.

Summary of the invention

Problem to be solved by this invention: designing a set of tea processing technique, so that the green tea after processing has high cell Percentage of damage so that the tealeaves after processing can be suitable for cold bubble, while needing to avoid the broken rear tealeaves of tea cell effective The problem of ingredient aoxidizes.

To solve the above problems, the scheme that the present invention uses is as follows:

The compacting sheet cold brew tea cake process units of high cell crashing ratio according to the present invention, including water-removing unit, rub Unit, grinding unit, embossing unit and tea cake drying unit；Water-removing unit rubs unit, grinding unit, embossing unit and tea Cake drying unit is arranged successively in order；The unit that finishes is used for tea green-keeping；Rub unit for the tealeaves after water-removing into Row is rubbed；Grinding unit is for grinding the tealeaves after rubbing；Tealeaves after embossing unit is used to grind is tabletted Shape tea cake；Tea cake drying unit is for being dried sheet tea cake.

Further, the compacting sheet cold brew tea cake process units of high cell crashing ratio according to the present invention, rub unit and It further include having intermediate drying unit between grinding unit；Intermediate drying unit is used to carry out at partial desiccation the tealeaves after rubbing Reason.

Further, the compacting sheet cold brew tea cake process units of high cell crashing ratio according to the present invention, grinding unit packet Include Tea grinder；The Tea grinder includes grinding drum, center mixing roll and several lapping using star lapping machine rollers；Grinding drum is level The barrel of setting, front and back end sealing, inner wall are circumferentially provided with ripple glaze, and top is provided with grinding feed inlet, and lower section is set It is equipped with grinding discharging opening；Center mixing roll is arranged in grinding drum, and coaxial with grinding drum, circumferentially arranged on cylinder to have wave Line；Lapping using star lapping machine roller is arranged in grinding drum, and in the annular chamber being stuck between center mixing roll and the inner wall of grinding drum, cylinder It is above circumferentially arranged to have ripple glaze；Center mixing roll and lapping using star lapping machine roller are connected with planetary gear mechanism；Wherein, center mixing roll The sun gear of planetary gear mechanism is connected, and is rotated with the rotation of sun gear, lapping using star lapping machine roller connects planetary gear machine The planetary gear of structure, and move and move with planetary gear；The sun gear connection grinding power drive of planetary gear mechanism Mechanism, and can be rotated under the driving of grinding power-driven mechanism；Ripple glaze and sun gear on the mixing roll of center are nibbled Tooth is closed to match；The engaging tooth on ripple glaze and planetary gear on lapping using star lapping machine roller matches.

Further, the compacting sheet cold brew tea cake process units of high cell crashing ratio according to the present invention, the tealeaves are ground Grinding machine further includes front end planet axis board and rear end planet axis board；Front end planet axis board and rear end planet axis board are mounted on The rear and front end of grinding drum seals grinding drum rear and front end；Front end planet axis board and rear end planet axis board can surround The axis rotation of grinding drum；Lapping using star lapping machine roller is separately mounted to front end planet axis board and rear end planet axis by the shaft at both ends On board；Sun gear and planetary gear are mounted on the outside of rear end planet axis board.

Further, the compacting sheet cold brew tea cake process units of high cell crashing ratio according to the present invention, center mixing roll On ripple glaze and the ripple glaze on lapping using star lapping machine roller peak valley difference in height be no more than millimeter.

Further, the compacting sheet cold brew tea cake process units of high cell crashing ratio according to the present invention, finish unit packet Include tea-leaf withering machine；The tea-leaf withering machine includes dry bucket；Dry bucket is horizontally disposed barrel, and front and back end sealing is preceding End is provided with air inlet, and dry feed mouth is provided with above front end, is provided with dry discharge port below rear end；Setting in dry bucket There is helical blade；Helical blade is mounted on central rotating shaft, and blade edge is close to dry bucket inner wall；Central rotating shaft connects drying machine Power mechanism；Air inlet connects air-heater.

Further, the compacting sheet cold brew tea cake process units of high cell crashing ratio according to the present invention, embossing unit packet Include several constant pressure preforming devices；The constant pressure preforming device includes constant pressure cylinder and mold cup；Constant pressure cylinder is mounted on mold The top of platform；Positioning cup slot is provided in mould table；Mold cup can be stuck in positioning cup slot；Constant pressure cylinder is located at positioning cup slot Surface, including cylinder body, piston, piston rod and pressuring template；Cavity is equipped in cylinder body, top is provided with air inlet, and middle part is set It is equipped with leakage port；Relief valve is provided at leakage port；Air inlet connects compressed gas source；Piston is set in cylinder body, including level Bottom plate and sealing annular slab；Horizonal base plate and the annular board group of sealing are at inverted cup body structure；Annular slab is sealed to be close in cylinder body Wall；The center of horizonal base plate connects piston rod；Pressuring template is mounted on piston-rod end, is located at except cylinder body, in level；Horizontal base Spring is provided with below plate；The setting of ring spring piston rod, both ends are withstood on horizonal base plate and inboard wall of cylinder block respectively；When on piston When side is inflated by air inlet, piston is pushed to move down, and make spring-compressed, when horizonal base plate is moved under leakage port When, the compressed gas above piston is lost heart by leakage port and relief valve, so that piston effect be made to maintain in the thrust of pressuring template It is constant.

The compacting sheet cold brew tea cake production method of high cell crashing ratio according to the present invention, this method include following step It is rapid:

S1: finishing to tealeaves, evaporates the partial moisture of tealeaves, tealeaves is made to soften；

S2: the tealeaves after water-removing is rubbed, tealeaves is made to circumnutate；

S4: grinding the tealeaves after rubbing, and tealeaves is made to destroy tea cell by grinding；

S5: the tealeaves after grinding is compressed into tablet form tealeaves cake；

S6: sheet tealeaves cake is dried；

S7: sheet tealeaves cake after drying process is vacuum-packed.

Further, the compacting sheet cold brew tea cake production method of high cell crashing ratio according to the present invention, the step S2 Further include step S3 between S4: partial desiccation processing is carried out to the tealeaves after rubbing.

Further, the compacting sheet cold brew tea cake production method of high cell crashing ratio according to the present invention will in step S5 When tealeaves is compressed into tablet form tea cake, suppressed using constant pressure；Constant-pressure pressure is 40 ~ 80N/cm², the pressing time is 10 ~ 30 minutes.

Technical effect of the invention is as follows:

1, it is directly ground compared to tealeaves, carries out grinding after so that tealeaves is circumnutated tea rolling again and improve clasmatosis Rate.

2, the structure of Tea grinder is ground suitable for the biggish tealeaves of water content, and be can be avoided tealeaves and be sticked to On mixing roll.

3, after tealeaves grinding, then constant pressure compacting is carried out, tea cell can be also destroyed during pan is made, to mention High cell crashing ratio.

4, after tealeaves grinding is pressed into tealeaves cake, the part that tealeaves cake is contacted with air is only limitted to the surface of tealeaves cake, To solve the problems, such as effective content of tea oxidation after tea cell is broken.

5, tealeaves is pressed into after tealeaves cake when being made tea, and can be mixed into tea to avoid tealeaves fragment, be had tea to improve Experience.

6, the tealeaves that tea processing technique of the present invention is processed, cell crashing ratio is 90% or more, when cold water is made tea, effectively Ingredient dissolution rate is not less than the tealeaves that hot water bubble traditional tea processing skill is processed.

Detailed description of the invention

Fig. 1 is the overall structure signal of the compacting sheet cold brew tea cake process units embodiment of the high cell crashing ratio of the present invention Figure.

Fig. 2 is the overall structure diagram of the tea-leaf withering machine of water-removing.

Fig. 3 is the overall structure diagram of Tea grinder.

Fig. 4 is the structural schematic diagram of Tea grinder planetary gear mechanism.

Fig. 5 is the structural schematic diagram of Tea grinder mixing roll and grinding drum.

Fig. 6 is the structural schematic diagram of Tea grinder mixing roll.

Fig. 7 is the structural schematic diagram of constant pressure preforming device.

Fig. 8 is the flow chart of the compacting sheet cold brew tea cake production method embodiment of the high cell crashing ratio of the present invention.

Fig. 9 is that contrast table is precipitated in the effective content of tea of the cold bubble comparison conventional bulk tea thermal of tea cake of the present invention.

Specific embodiment

The present invention is described in further details with reference to the accompanying drawing.

The present embodiment is a kind of processing technology of green tea, and green tea made of which processes is exclusively used in cold bubble.It should Green tea processing technology is by the compacting sheet cold brew tea cake production method of high cell crashing ratio and the compacting sheet of high cell crashing ratio Cold brew tea cake process units is formed.The compacting sheet cold brew tea cake process units of high cell crashing ratio and high cell crashing ratio It is corresponding to suppress sheet cold brew tea cake production method, for implementing the compacting sheet cold brew tea cake production method of high cell crashing ratio Production equipment.Wherein, the compacting sheet cold brew tea cake production method of high cell crashing ratio, as shown in figure 8, including 7 steps: S1, finish step；S2 rubs step；S3, intermediate drying steps；S4, grinding steps；S5 is pressed into cake step；S6, tea cake are dry Dry step；S7, packaging step.The compacting sheet cold brew tea cake process units of high cell crashing ratio, as shown in Figure 1, comprising: water-removing Unit 100 rubs unit 200, intermediate drying unit 300, grinding unit 400, embossing unit 500,600 and of tea cake drying unit Packaging unit 700.Water-removing unit 100, rub unit 200, intermediate drying unit 300, grinding unit 400, embossing unit 500, Tea cake drying unit 600 and packaging unit 700 are arranged in order, and respectively correspond aforementioned 7 steps.Finish unit 100 for pair Tea green-keeping.Unit 200 is rubbed for rubbing to the tealeaves after water-removing.After intermediate drying unit 300 is used for rubbing Tealeaves carries out partial desiccation processing.Grinding unit 400 is for grinding the tealeaves after rubbing.Embossing unit 500 will be for that will grind Tealeaves after mill is compressed into tablet form tea cake.Tea cake drying unit 600 is for being dried sheet tea cake.Packaging unit 700 for being vacuum-packed the sheet tea cake after drying.7 steps and related processing equipment are retouched in detail below It states.

Step S1, that is, water-removing step.It will be appreciated by those skilled in the art that tea green-keeping is by high temperature and is passivated fresh Oxidase active in tealeaves inhibits the enzymatic oxidation of tea polyphenols in fresh leaf etc., evaporates fresh leaf partial moisture, becomes tealeaves It is soft, convenient for rubbing forming.Tea green-keeping is realized by water-removing unit 100.In the present embodiment, water-removing unit 100 is as shown in Figure 2 Tea-leaf withering machine.The tea-leaf withering machine includes dry bucket 111 and air-heater 151.Dry bucket 411 is horizontally disposed tubbiness Body, front and back end sealing, front end are provided with air inlet 152, and dry feed mouth 113 is provided with above front end, is provided with below rear end Dry discharge port 114.Dry air inlet 152 connects air-heater 151.The top of dry feed mouth 113 is provided with dry feed storehouse 141.Dry feed storehouse 141 and 113 joining place of dry feed mouth are provided with inlet control valve 142.Spiral shell is provided in dry bucket 411 Vane piece 122.Helical blade 122 is mounted on central rotating shaft 121, and blade edge is close to dry 411 inner wall of bucket, makes dry bucket Cavity in 411 is divided into helical duct 112.Central rotating shaft 121 connects dry mechanism of ocean.Dry mechanism of ocean is used for It drives central rotating shaft 121 to rotate, and then helical blade 122 is driven to rotate.Dry mechanism of ocean includes dry motor 131 and skin Tape handler 132.The working principle that the present embodiment tea-leaf withering machine carries out tea green-keeping is as follows:

Tealeaves after picking is placed in dry feed storehouse 141, by inlet control valve 142 and dry feed mouth 113, Under the action of tealeaves self weight, into dry bucket 111.Inlet control valve 142 is for controlling charging rate and inlet amount.Hot wind Machine 151 is used to blast high-temperature hot air into dry bucket 111.When tea green-keeping, dry mechanism of ocean passes through central rotating shaft 121 Helical blade 122 is driven to rotate.The helical blade 122 rotated into the tealeaves in dry bucket 111 throws stirring so that tealeaves It can be contacted with the high-temperature hot air in dry bucket 111, so that tealeaves evaporation water under the action of high-temperature hot air.Meanwhile The helical blade 122 of rotation makes the front end generation negative pressure of dry bucket 111 that air-heater 151 be made to pass through the entrance of front end airflow mouth 152 Hot-air in dry bucket 111 will not be flowed out through front end dry feed mouth 113, but be filled along helical duct 112 entire dry The inner cavity of dry bucket 111.Meanwhile the flowing of hot-air drives tealeaves slowly to move to the back-end from front end, until through dry discharge port 114 remove dry bucket, at this point, tea green-keeping is completed.The time that tealeaves finishes in dry bucket 111 and dry bucket 111 Length is related.In the present embodiment, dry bucket 111 is the staving that a length is 3 ~ 5 meters, and tealeaves is from dry feed mouth 113 to dry The time-consuming of dry discharge port 114 is 3 ~ 5 minutes.After the present embodiment tea green-keeping, the moisture content of tealeaves is by 75% or so of fresh leaf Become 60% or so.

It is step S2 after tea green-keeping, that is, rubs step.It will be appreciated by those skilled in the art that in traditional handicraft, tea Leaf kneading in technique makes tealeaves circumnutate into tea item, reduces tealeaves volume and is convenient for fried dry, while appropriate destruction tealeaves inner cell.This reality The tea preparation for applying example requires to be pressed into pie, referring to abovementioned steps S5.Require tealeaves cannot be excessively when being pressed into pie Dry, otherwise, tealeaves can not be condensed into blocks.Meanwhile this also means that the tealeaves grinding in step S4 need have it is certain aqueous It is carried out in the case where amount, that is, the tealeaves to water-removing after-tack is required to grind.If it is directly ground after tea green-keeping, by In the plates that the tealeaves of water-removing after-tack is in blade, grinding effect is bad, therefore, in the present embodiment, before tealeaves grinding Rubbed, so that tealeaves is circumnutated by rubbing tealeaves, roll tightly it is into strips or spherical, it is preferably spherical.Therefore, tea rolling is The previous step of tealeaves grinding.Tea rolling is realized by rubbing unit 200.It will be appreciated by those skilled in the art that tea rolling passes through Tea twisting machine is completed, that is, rubbing unit 200 is tea twisting machine.Tea twisting machine is familiar to those skilled in the art Equipment, this specification repeats no more.It should be pointed out that in order to which tea rolling has the effect that preferably circumnutates, preferably in tea After leaf water-removing, multiplies tealeaves and rubbed also in condition of high temperature progress heat.In the present embodiment, for the considerations of automating, finish unit It 100 and rubs and is provided with the first belt transmission agency 801 between unit 200.One end of first belt transmission agency 801, which is located at, kills 114 lower section of drying discharge port of green 100 tea-leaf withering machine of unit, the other end, which is located at, to be rubbed above 200 tea twisting machine of unit Feed the top of buffering chamber 201.The tealeaves after the water-removing of 100 tea-leaf withering machine of unit that finishes passes through dry discharge port 114 and enters the Then one belt transmission agency 801 is sent in charging buffering chamber 201 by the first belt transmission agency 801.Rub unit 200 When tea twisting machine carries out tea rolling, rubbed from charging buffering chamber 201 by batch blowing.

Rubbing step is step S3, that is, intermediate drying steps later, carries out partial desiccation processing to the tealeaves after rubbing. Water content 60% or so in the present embodiment, after tea green-keeping.The tealeaves of 60% water content is directly ground, due to water content Excessively high, the effect of tealeaves grinding is not very well, for this purpose, after tea rolling, increasing half before tealeaves grinding in the present embodiment It is dried.Intermediate drying steps are realized by intermediate drying unit 300.In the present embodiment, intermediate drying unit 300 is using aforementioned Tea-leaf withering machine used in tea green-keeping.After intermediate drying steps, water content of tea is 45% ~ 50%.In addition, for automatic Change and consider, in the present embodiment, intermediate drying unit 300 and rubs and be provided with the second belt transmission agency 802 between unit 200, Third belt transmission agency 803 is provided between intermediate drying unit 300 and grinding unit 400.Rub 200 tea rolling of unit The discharge outlet of machine is provided with discharging buffering chamber.It rubs the tealeaves that the completion of 200 tea twisting machine of unit is rubbed and passes through discharging caching Storehouse enters the second belt transmission agency 802, and tealeaves is sent to intermediate 300 tea of drying unit by the second belt transmission agency 802 The dry feed storehouse 141 of leaf drying machine.

It is step S4 after intermediate drying steps, grinding steps make tea it is, grinding to the tealeaves after rubbing Leaf destroys tea cell by grinding.Grinding steps are realized by grinding unit 400.In the present embodiment, grinding unit 400 is such as figure Tea grinder shown in 3.Partial desiccation treated tealeaves is carried out through tea-drying through intermediate 300 tea-leaf withering machine of drying unit The discharge port of machine enters third belt transmission agency 803, then by third belt transmission agency 803 by partial desiccation treated tea The grinding feed inlet 421 of leaf feeding Tea grinder.Tea grinder includes grinding drum 411, center mixing roll 431, Ruo Ganhang Star mixing roll 432 and mixing roll driving mechanism.Grinding drum 411 is horizontally disposed barrel, and top is provided with grinding charging Mouth 421, lower section is provided with grinding discharging opening 422.Center mixing roll 431 is arranged in grinding drum 411, and same with grinding drum 411 Axis, both ends are mounted on bearings, can be along axis rotation.Lapping using star lapping machine roller 432 is arranged in the grinding drum 411, and is stuck in In annular chamber between heart mixing roll 431 and the inner wall of grinding drum 411, as shown in figs. 3 and 5.432 both ends of lapping using star lapping machine roller point It is not mounted on front end planet axis board 414 and rear end planet axis board 415, its axis rotation can be surrounded.Front end planet axis Board 414 and rear end planet axis board 415 are respectively arranged at the rear and front end of grinding drum 411, keep 411 rear and front end of grinding drum close Envelope.Front end planet axis board 414 and rear end planet axis board 415 can surround axis rotation.Mixing roll driving mechanism includes row Star gear mechanism and grinding power mechanism.Planetary gear mechanism, as shown in Figure 3, Figure 4, including sun gear 441, planetary gear 442 and outer ring gear 412.Sun gear 441 and planetary gear 442 are set in outer ring gear 412.Outer ring gear 412 is located at The outside of rear end planet axis board 415, it is concentric with grinding drum 411, and fixed with 411 phase of grinding drum.Outside outer ring gear 412 Side is sealing plate, by sun gear 441 and planetary gear 442 be sealed in outer ring gear 412,412 sealing plate of outer ring gear and after It is formed by cavity between the planet axis board 415 of end.Sun gear 441 and planetary gear 442 and outer ring gear 412 are respectively positioned on The outside of rear end planet axis board 415.Grinding drum 411 and outer ring gear 412 are fixed on the rack.Sun gear 441 and center Mixing roll 431 is installed on grinder central rotating shaft 416, so that sun gear 441 is connected with center mixing roll 431, and energy It rotates synchronously.When sun gear 441 rotates, center mixing roll 431 is driven to rotate synchronously.Planetary gear 442 is pacified by bearing On rear end planet axis board 415.Planetary gear 442 is identical with the quantity of lapping using star lapping machine roller 432, and corresponds.Planet The corresponding planetary gear 442 of mixing roll 432 is coaxial, and lapping using star lapping machine roller 432 is made to connect planetary gear 442, and can synchronize and turn It is dynamic.When planetary gear 442 rotates about it, its corresponding lapping using star lapping machine roller 432 is driven to rotate synchronously.Front end planet axis board 414 and rear end planet axis board 415 when surrounding axis rotation, drive planetary gear 442 and lapping using star lapping machine roller 432 to surround grinding drum 411 rotations.Sun gear 441 is meshed with planetary gear 442.Planetary gear 442 is simultaneously and sun gear 441 and outer ring gear 412 are meshed.416 both ends of grinder central rotating shaft pass through bearing respectively and are erected on front end shaft bearing plate 416 and outer ring gear 412 Sealing plate on.The connection grinding power mechanism of grinder central rotating shaft 416.Grinding power mechanism is for driving grinder center to turn Axis 416 rotates.In the present embodiment, grinding power mechanism includes grinding motor 451 and polishing belt transmission mechanism 452.It grinds as a result, Electric mill machine 451 drives grinder central rotating shaft 416 to rotate by polishing belt transmission mechanism 452, and then drives sun gear 441 It is rotated with center mixing roll 431.Pass through the gear engagement between sun gear 441 and planetary gear 442, the sun of rotation Gear 441 drives planetary gear 442 to surround its axis rotation.When planetary gear 442 surrounds its axis rotation, pass through planet tooth Engagement between wheel 442 and outer ring gear 412 drives planetary gear 442 to surround 411 axis rotation of grinding drum.Planet tooth This motion mode of wheel mechanism is known to those skilled in the art, and this specification repeats no more.Planetary gear mechanism is too The movement of positive gear 441 and planetary gear 442 drives corresponding center mixing roll 431 and lapping using star lapping machine roller 432 with identical side Formula movement.It is, lapping using star lapping machine roller 432 carries out certainly around its axle center when center mixing roll 431 surrounds 411 axle center of grinding drum Turn and lapping using star lapping machine roller 432 revolves around 411 axle center of grinding drum.Pass through grinding charging in the tealeaves to circumnutate after rubbing When mouth 421 enters grinding drum 411, tealeaves is by lapping using star lapping machine roller 432 and center mixing roll 431 and lapping using star lapping machine roller 432 and grinds It is mutually ground between 411 inner wall of grinding barrel.The ground discharge port 422 of tealeaves after grinding discharges.In the present embodiment, lapping using star lapping machine roller 432 and planetary gear 442 be 6.The quantity of lapping using star lapping machine roller 432 and planetary gear 442 is generally 4 to 10, and preferably 6 To 8.

In addition, the grinding effect between enhancing lapping using star lapping machine roller 432 and 411 inner wall of center mixing roll 431 and grinding drum Fruit, in the present embodiment, 411 inner wall of grinding drum is circumferentially provided with ripple glaze, lapping using star lapping machine roller 432 and center mixing roll 431 It is circumferentially arranged on cylinder to have ripple glaze, as shown in Figure 5, Figure 6.Ripple glaze is equal recessed of the axially disposed several spacing of cylinder Concave-convex alternate wavy shaped configuration is formed by after slot 439 in the circumferential direction of cross section.Ripple glaze on center mixing roll 431 with too The engaging tooth of positive gear 441 matches, and the ripple glaze on lapping using star lapping machine roller 432 matches with the engaging tooth on planetary gear 442, The engaging tooth of ripple glaze and outer ring gear 412 on grinding drum 411 matches.The engaging tooth of ripple glaze and gear, which matches, to be referred to 439 quantity of groove of ripple glaze is identical as the number of teeth of the engaging tooth of gear.That is, ripple glaze can also be considered as a kind of tooth depth It is shallower, the more smooth engaging tooth in edge.The shallower peak valley difference in height for referring to ripple glaze of tooth depth is no more than 5 millimeters.Such as Fig. 6 institute Show,RFor ripple glaze peak potion radius,rFor ripple glaze valley radius, the peak valley difference in height of ripple glaze is namelyR?r.Ripple glaze Peak valley difference in height is no more than 5 millimeters namely in figureR?r≤ 5 millimeters.Compared to the engagement tooth engagement of ordinary gear, ripple glaze The engaging tooth of form is not easy for tealeaves to be stuck between cog gap.As previously mentioned, after intermediate drying steps, water content of tea is 45% ~ 50%, that is to say, that in the present embodiment, when step S4 is ground, water content of tea is 45% ~ 50%.Tea juice after grinding Liquid, which is extruded, overlays on tealeaves surface, is easy for tealeaves to be sticked on center mixing roll 431 and lapping using star lapping machine roller 432, and the present embodiment Ripple glaze structure can also avoid that tealeaves is sticked to center mixing roll 431 and planet is ground then other than it can enhance grinding effect On grinding roller 432.

It is step S5 after grinding steps, is pressed into cake step, that is, the tealeaves after grinding is compressed into tablet form tea cake. Cake step is pressed into be realized by embossing unit 500.The present embodiment is provided between grinding unit 400 and embossing unit 500 Four belt transmission agencies 804.After tealeaves after ground 400 Tea grinder of unit grinding is discharged by grinding discharging opening 422 The 4th belt transmission agency 804 is fallen into, embossing unit 500 is sent to by the 4th belt transmission agency 804.In the present embodiment, mould Pressing unit 500 includes multiple constant pressure preforming devices 501.Constant pressure preforming device 501 is arranged along 804 two sides of the 4th belt transmission agency Column, are placed in mould table.In embossing unit 500, tealeaves polished on the 4th belt transmission agency 804 is put by worker Enter progress tealeaves tabletting production in constant pressure preforming device 501.As shown in fig. 7, constant pressure preforming device includes constant pressure cylinder and mold Cup 53.Constant pressure cylinder is mounted on the top of mould table 54.Positioning cup slot 541 is provided in mould table 54.Mold cup 53 can block In positioning cup slot 541.Constant pressure cylinder is located at the surface of positioning cup slot 541, including cylinder body 511, piston 52, piston rod 523 With pressuring template 524.Cavity is equipped in cylinder body 511, top is provided with air inlet 512, and middle part is provided with leakage port 513.Leakage port Relief valve 514 is provided at 513.Air inlet 512 connects compressed gas source.Piston 52 is set in cylinder body 511, including horizonal base plate 521 and sealing annular slab 522.Horizonal base plate 521 and sealing annular slab 522 form inverted cup body structure.Seal annular slab 522 It is close to 511 inner wall of cylinder body.The center of horizonal base plate 521 connects piston rod 523.Pressuring template 524 is mounted on 523 end of piston rod, Except cylinder body 511, in level.The lower section of horizonal base plate 521 is provided with spring 525.The setting of 525 ring piston rod 523 of spring, Both ends are withstood on respectively on 511 inner wall of horizonal base plate 521 and cylinder body.When being inflated above piston 52 by air inlet 512, pushes and live Plug 52 moves down, and compresses spring 525, when horizonal base plate 521 is moved under leakage port 513,52 top of piston Compressed gas is lost heart by leakage port 513 and relief valve 514, so that the thrust for making piston 52 act on pressuring template 524 remains permanent It is fixed.Mold cup 53 is used to place the tealeaves after grinding.The working method of the present embodiment, embossing unit 500 is as follows:

The tealeaves after grinding on the 4th belt transmission agency 804 is packed into mold cup 53 by worker first.Mold cup 53 fills After full tealeaves, mold cup 53 is put into the positioning cup slot 541 in mould table 54 by worker, constant pressure cylinder is then turned on, by pressing mold 524 press-in die cup 53 of plate, is pressed into pie for the tealeaves in mold cup 53.When constant pressure cylinder suppresses tealeaves, constant-pressure pressure is 40~80N/cm², the pressing time is 10 ~ 30 minutes.After the completion of compacting, the tealeaves in mold cup 53 is formed with a thickness of 1 ~ 2mm, directly The round sheet tealeaves cake that diameter is 6 ~ 10 centimetres.

Being pressed into cake step is later tea cake drying steps, it is, round sheet tealeaves cake is dried.Tea Cake drying steps are realized by tea cake drying unit 600.In the present embodiment, tea cake drying unit 600 is a tea-drying room. It is dried in the stereoscopic frame that the round sheet tealeaves cake of processing to be dried is laid in tea-drying room.Round sheet tealeaves cake It needs in temperature to be 40 ~ 50 degree, 24 hours time is dried in the tea-drying room that relative humidity is 10 ~ 15%.Piece after drying Shape tealeaves cake is each 5 ~ 10 grams heavy.

It is finally packaging step, it is, sheet tealeaves cake after drying process is vacuum-packed, or carries out rushing nitrogen Gas bag dress.Packaging step is realized by the packing machine of packaging unit 700.The vacuum packing machine of vacuum packaging rushes nitrogen packed Packing machine be known to those skilled in the art, this specification repeats no more.

It is 90 ~ 95% according to the percentage of damage of tea cell in tealeaves cake prepared by the present embodiment method through testing and analyzing.

Fig. 9 is the effective content of tea analysis of the cold bubble comparison conventional bulk tea thermal of tealeaves cake prepared by the embodiment of the present invention Contrast table out.Wherein a upper column is 5 grams of tealeaves cakes prepared by the embodiment of the present invention water temperature is 18 degree, quality is 200 grams Each content of material of tea after twenty minutes is impregnated in cold water, next group is 5 grams of loose tea water temperatures prepared by traditional tea-manufacturing technology 70 degree, brewed in hot water each content of material of tea after twenty minutes that quality is 200.It can be seen that prepared by tea-manufacturing technology of the present invention Even if the practical cold water infusible of green tea effective content of tea can also be dissolved in tea, and dissolved amount and no less than traditional handicraft Brewed in hot water.

Claims (7)

1. the compacting sheet cold brew tea cake process units of high cell crashing ratio, which is characterized in that including water-removing unit (100), rub Twist unit (200), grinding unit (400), embossing unit (500) and tea cake drying unit (600)；Water-removing unit (100) is rubbed Unit (200), grinding unit (400), embossing unit (500) and tea cake drying unit (600) are arranged successively in order；Water-removing is single First (100) are used for tea green-keeping；Unit (200) are rubbed for rubbing to the tealeaves after water-removing；Grinding unit (400) is used It is ground in the tealeaves after rubbing；Embossing unit (500) is used to the tealeaves after grinding being compressed into tablet form tea cake；Tea cake is dry Dry unit (600) is for being dried sheet tea cake.

2. the compacting sheet cold brew tea cake process units of high cell crashing ratio as described in claim 1, which is characterized in that rub It further include having intermediate drying unit (300) between unit (200) and grinding unit (400)；Intermediate drying unit (300) for pair Tealeaves after rubbing carries out partial desiccation processing.

3. the compacting sheet cold brew tea cake process units of high cell crashing ratio as described in claim 1, which is characterized in that grinding Unit (400) includes Tea grinder；The Tea grinder includes grinding drum (411), center mixing roll (431) and several rows Star mixing roll (432)；Grinding drum (411) is horizontally disposed barrel, and front and back end seals, and inner wall is circumferentially provided with wave Line, top are provided with grinding feed inlet (421), and lower section is provided with grinding discharging opening (422)；Center mixing roll (431) setting exists It is circumferentially arranged on cylinder to have ripple glaze in grinding drum (411), and coaxially with grinding drum (411)；Lapping using star lapping machine roller (432) is set It sets in grinding drum (411), and in the annular chamber being stuck between center mixing roll (431) and the inner wall of grinding drum (411), cylinder It is above circumferentially arranged to have ripple glaze；Center mixing roll (431) and lapping using star lapping machine roller (432) are connected with planetary gear mechanism；Wherein, Center mixing roll (431) connects the sun gear (441) of planetary gear mechanism, and rotates with the rotation of sun gear (441), Lapping using star lapping machine roller (432) connects the planetary gear (442) of planetary gear mechanism, and moves with the movement of planetary gear (442)； Sun gear (441) the connection grinding power-driven mechanism of planetary gear mechanism, and under the driving of grinding power-driven mechanism It can rotate；The engaging tooth of ripple glaze and sun gear (441) on center mixing roll (431) matches；Lapping using star lapping machine roller (432) ripple glaze on matches with the engaging tooth on planetary gear (442).

4. the compacting sheet cold brew tea cake process units of high cell crashing ratio as claimed in claim 3, which is characterized in that described Tea grinder further includes front end planet axis board (414) and rear end planet axis board (415)；Front end planet axis board (414) It is mounted on the rear and front end of grinding drum (411) with rear end planet axis board (415), grinding drum (411) rear and front end is sealed；Before Hold planet axis board (414) and rear end planet axis board (415) that the axis rotation of grinding drum (411) can be surrounded；Lapping using star lapping machine Roller (432) is separately mounted on front end planet axis board (414) and rear end planet axis board (415) by the shaft at both ends；Too Positive gear (441) and planetary gear (442) are mounted on the outside of rear end planet axis board (415).

5. the compacting sheet cold brew tea cake process units of high cell crashing ratio as claimed in claim 3, which is characterized in that center The peak valley difference in height of ripple glaze on mixing roll (431) and the ripple glaze on lapping using star lapping machine roller (432) is no more than 5 millimeters.

6. the compacting sheet cold brew tea cake process units of high cell crashing ratio as described in claim 1, which is characterized in that water-removing Unit (100) includes tea-leaf withering machine；The tea-leaf withering machine includes dry bucket (111)；Dry bucket (111) are horizontally disposed Barrel, front and back end sealing, front end are provided with air inlet (512), are provided with dry feed mouth (113) above front end, under rear end Side is provided with dry discharge port (114)；Helical blade (122) are provided in dry bucket (111)；Helical blade (122) is mounted on On central rotating shaft (121), blade edge is close to dry bucket (111) inner wall；Central rotating shaft (121) connects dry mechanism of ocean； Air inlet (512) connects air-heater (151).

7. the compacting sheet cold brew tea cake process units of high cell crashing ratio as described in claim 1, which is characterized in that molding Unit (500) includes several constant pressure preforming devices；The constant pressure preforming device includes constant pressure cylinder and mold cup (53)；Constant pressure Cylinder is mounted on the top of mould table (54)；Positioning cup slot (541) is provided in mould table (54)；Mold cup (53) can be stuck in It positions in cup slot (541)；Constant pressure cylinder is located at the surface of positioning cup slot (541), including cylinder body (511), piston (52), piston Bar (523) and pressuring template (524)；Cavity is equipped in cylinder body (511), top is provided with air inlet (512), and middle part is provided with discouraged Mouth (513)；Relief valve (514) are provided at leakage port (513)；Air inlet (512) connects compressed gas source；Piston (52) is set to In cylinder body (511), including horizonal base plate (521) and sealing annular slab (522)；Horizonal base plate (521) and sealing annular slab (522) Form inverted cup body structure；It seals annular slab (522) and is close to cylinder body (511) inner wall；The center of horizonal base plate (521), which connects, lives Stopper rod (523)；Pressuring template (524) is mounted on piston rod (523) end, is located at except cylinder body (511), in level；Horizonal base plate (521) spring (525) are provided with below；Spring (525) ring piston rod (523) setting, both ends withstand on horizonal base plate respectively (521) and on cylinder body (511) inner wall；When inflated above the piston (52) by air inlet (512), push piston (52) to moving down It is dynamic, and spring (525) are compressed, the pressure when horizonal base plate (521) is moved under leakage port (513), above piston (52) Contracting gas is discouraged by leakage port (513) and relief valve (514), so that piston (52) be made to act on the thrust of pressuring template (524) Remain constant.