CN102580914A - Fresh tea leaf grading machine - Google Patents

Fresh tea leaf grading machine Download PDF

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Publication number
CN102580914A
CN102580914A CN2012100378868A CN201210037886A CN102580914A CN 102580914 A CN102580914 A CN 102580914A CN 2012100378868 A CN2012100378868 A CN 2012100378868A CN 201210037886 A CN201210037886 A CN 201210037886A CN 102580914 A CN102580914 A CN 102580914A
Authority
CN
China
Prior art keywords
screen drum
tea
screening
bright leaf
urceolus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012100378868A
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Chinese (zh)
Inventor
祝小雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG ZHUFENG MACHINERY CO Ltd
Original Assignee
ZHEJIANG ZHUFENG MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHEJIANG ZHUFENG MACHINERY CO Ltd filed Critical ZHEJIANG ZHUFENG MACHINERY CO Ltd
Priority to CN2012100378868A priority Critical patent/CN102580914A/en
Publication of CN102580914A publication Critical patent/CN102580914A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a fresh tea leaf grading machine, which comprises a stander, a material feeding hopper, a power device and a screening device, wherein the screening device comprises a plurality of coaxial rotary screening barrels; a plurality of spiral material guide ribs are arranged on the inner wall of the barrel body of each screening barrel; the screening barrels are fixedly connected with one another; the apertures of screening holes of the screening barrels are reduced gradually from inside to outside; an outer barrel is coaxially arranged on the outermost screening barrel; the material feeding hopper is connected with the front end of the innermost screening barrel through a connection channel; openings are formed at the tail ends of the screening barrels; and the power device can drive the screening barrels to rotate. The fresh tea leaf grading machine has functions of turning and throwing and pushing fresh leaves to flow towards outlets at the tail ends through the material guide ribs, so that fresh tea leaves with different sizes can be graded effectively according to the sizes; the screening quality is high; the fresh tea leaf raw materials for producing qualified teas can be automatically obtained; the labor intensity is reduced greatly; and the production efficiency is improved.

Description

The bright leaf grader of a kind of tea
Technical field
The invention belongs to the tea-processing equipment technical field, but specifically relate to the device of the bright leaf series classification of a kind of tea.
Background technology
In recent years, famous-brand and high-quality tea is plucked difficult realistic problem and the technical bottleneck that becomes the famous-brand and high-quality tea sustainable development of restriction.Though famous-brand and high-quality tea pluck effect the tradition equipment of picking tea-leaves be significantly increased, yet China's tea place looks are complicated, fluffy, growing way etc. differ greatly, the machine fresh tea picking is difficult to direct use, is necessary to sieve processing.In use grading effect is not obvious for the legacy equipment of present bright leaf screening, and amount is little, and is difficult to continuity.The tea industry is the industry of a recruitment intensive; The problem in short supply along with the labour becomes clear day by day, and production cost also improves constantly, and therefore need in mechanization, work hard at the Tea Processing family; Make great efforts to explore the new approach of tea machinery processing, actively promotion and application well-known tea mechanism technology.The mechanized equipment that therefore, the bright leaf classification of the positive active research tea of some enterprises and R&D institution is also arranged.Application number is 200810059580.6 to disclose a kind of Chinese patent, and the bright leaf grader of a kind of famous-brand and high-quality tea comprises support, on support, fixedly installs charging frame and power source respectively; Drum assembly comprises rotating shaft and the cylindrical shell that is fixedly linked with rotating shaft, and rotating shaft and support are rotatedly connected, and power source links to each other with rotating shaft; The intracavity inter-connection of charging frame and cylindrical shell, segmentation is provided with the different screen holes in aperture on cylindrical shell.Adopt the bright leaf grader of above-mentioned tea, the bright leaf after adopting machine carries out classification.But this structure adopts segmentation that the different screen holes in aperture is set, and the bright leaf of its tea utilizes the inclination angle to realize flowing downward; Only rely on cylindrical shell to roll, make the bright leaf sieve aperture of tea, in the application of reality; It is not thorough screening often to occur; After the screening, the bright leaf of tea that different sizes occurs can not obtain producing the required fresh tea leaf raw material of famous-brand and high-quality tea through automated job with a level district.
Summary of the invention
The problem that the objective of the invention is to the above-mentioned existence of pin; But a kind of device of series classification is provided; To realize pipelining, can effectively the bright leaf of different big or small tea be come out by different size fractionations, screening quality is high; To reduce labour intensity, can obtain producing the required fresh tea leaf raw material of famous-brand and high-quality tea through automated job simultaneously.
For realizing above-mentioned purpose, the present invention has adopted following technical scheme to be:
The bright leaf grader of a kind of tea; Comprise frame, feed hopper, power set and screening plant, it is characterized in that screening plant comprises the rotation screen drum that several are coaxial, be furnished with several spiral guide muscle on the cylinder inboard wall of each screen drum; Be fixedly connected between each screen drum; The aperture of the sieve aperture of each screen drum diminishes from inside to outside successively, the coaxial urceolus that is provided with of outermost screen drum, and feed hopper links through interface channel and screen drum front end; Each screen drum end openings, power set can drive the rotation of screen drum.Passage links with screen drum front end, and rotating shaft is rotated, and the screen drum in rolls, and passage is fixed.Such as: the screen drum in can adopting is enclosed within the interface channel port, and the screen drum in can relatively rotate in interface channel.The guide muscle plays to turn over throws and promotes the effect that bright leaf terminad outlet is flowed, and comes out by different size fractionations to realize the bright leaf of effective tea with different sizes, and screening quality is high.During use, pour the bright leaf of the tea that needs classification into, start power set; Each screen drum rotates, and the bright leaf of tea at first gets into interior screen drum, through vertical stroke of interior screen drum; Terminal the moving of screen drum in flowed out from the screen drum end openings greater than the bright leaf of tea in the screen drum aperture in, less than the bright leaf of tea in the screen drum aperture in from getting into second screen drum; With above-mentioned principle; Flows out from second screen drum end openings greater than the bright leaf of the tea in second screen drum aperture, from getting into the 3rd screen drum, get into the tea aquatic foods leaf classification of the 3rd screen drum less than the bright leaf of tea in second tube aperture; Until the bright leaf classification of tea of last screen drum, realize multistage classification successively to the bright leaf of tea.
During concrete the use, on frame, be provided with the support support roller, interior screen drum front portion places to be supported on the support roller; Interior screen drum end outlet place is provided with pole; Pole central authorities are connected with rotating shaft, and rotating shaft is installed on the frame through bearing block, and power set can drive rotating shaft and rotate.Above-mentioned structure drives rotating shaft through power set and rotates the rolling that realizes power set drive screen drum.
During practical implementation, power set comprise motor and rotating belt, and the power transmission shaft and the rotating shaft of motor are respectively equipped with belt pulley, are provided with rotating belt between belt pulley.Motor drives rotating shaft through rotating belt.
During practical implementation, motor is a buncher.Because the difference that varies in size and measure of the bright leaf of tea, can carry out speed governing through regulating rotating speed that buncher realizes whole screening plant as requested.
During practical implementation, above-mentioned screen drum comprises center screen drum and outer screen drum, and the center screen drum is an interior above-mentioned screen drum.The directly terminal outflow of sieve of the bright leaf of maximum tea from the center; Secondly the bright leaf of big tea gets into the end outlet place outflow between center screen drum and outer screen drum through the sieve aperture of center screen drum; The bright leaf of minimum tea gets into the end outlet place outflow between outer screen drum and urceolus through the sieve aperture of outer screen drum; Through above-mentioned structure, can realize three grades of classifications of the bright leaf of tea.
During practical implementation, the front end of frame is provided with the feet of scalable height.Through the downtilt angles of feet scalable screen drum, according to the bright leaf situation of different tea, the downward angle of downtilt angles is big more, and the speed that the bright leaf of tea flows out is also fast more, confirms suitable downtilt angles according to the length of bright leaf situation of tea and screen drum.
During practical implementation, feet is the screw mandrel of band handwheel, and screw mandrel is spun on the bottom of frame.Regulate the front end height of frame through rotating handwheel, to regulate the downtilt angles of screen drum.
During practical implementation; Be fixedly connected through support bar between each screen drum with between outermost screen drum and urceolus; Support bar is a double threaded screw; Wear double threaded screw between the adjacent screen drum and between between outermost screen drum and urceolus, the two ends of double threaded screw are fixed on the corresponding screen drum and urceolus with clamp nut.
The present invention can be provided with the conveying lifting device in the feed hopper front portion, carries the bright leaf of tea to rise to feed hopper, to realize its pipelining.The bright leaf classification process of tea can be realized continuous operation, and promptly this machine advances the bright leaf of tea by an end, and tealeaves is thrown turning over of screen drum and flowed out output under the sub-sieve effect automatically, has improved production efficiency.
The spiral guide muscle that is furnished with on the cylinder inboard wall of the present invention through each screen drum makes tealeaves turn over the effect of throwing on the one hand, makes tealeaves reach the effect of classification; Turn over when throwing classification on the limit, and the tealeaves that promotes after the classification is walked to discharging opening, with and reach the limit punishment in advance; The limit classification, the series classification purpose of limit discharging, this technical scheme is high more a lot of than manual sorting's efficient; The bright leaf size of tea after the classification is consistent, increases the productivity effect of tealeaves manufacturing enterprise widely.
The invention has the beneficial effects as follows:
1, the bright leaf classification process of tea can be realized continuous operation, and promptly this machine advances the bright leaf of tea by an end, and the bright leaf of tea is thrown turning over of screen drum and flowed out output under the sub-sieve effect automatically, has reduced labour intensity greatly, has improved production efficiency.
2, the present invention plays to turn over through the guide muscle and throws and promote the effect that bright leaf terminad outlet is flowed; To realize effectively the bright leaf of different big or small tea being come out by different size fractionations; Screening quality is high, can not obtain producing the required fresh tea leaf raw material of famous-brand and high-quality tea by automated job.
3, the present invention can carry out speed governing through regulating rotating speed that buncher realizes whole screening plant as requested, and the downtilt angles that also can regulate screen drum through feet is simultaneously controlled the bright leaf rate of outflow of tea.Applying flexible in tea making process, easy to operate, can realize full-automation.
4, the present invention's supporting use of can connecting with auxiliary equipment such as existing elevator realizes the tea making automation, cleans.
5, the present invention has not only been alleviated seasonal labour situation in short supply effectively, and has been reduced labour intensity through the mechanization of the bright leaf classification of tea operation, has improved operating efficiency.
Description of drawings
Below in conjunction with accompanying drawing and embodiment invention is further specified.
Fig. 1 is the main TV structure sketch map of the embodiment of the invention.
Fig. 2 is the side-looking structural representation of the embodiment of the invention.
Fig. 3 is an embodiment of the invention center screen drum structural representation.
Fig. 4 is the outer screen drum structural representation of the embodiment of the invention.
Among the figure: 1, frame 2, feed hopper 3, center screen drum 4, outer screen drum 5, urceolus 6, guide muscle 7, double threaded screw 8, buncher 9, rotating belt 10, rotating shaft 11, support support roller 12, pole 13, feet.
The specific embodiment
Like Fig. 1,2, shown in 3 and 4; The bright leaf grader of a kind of tea comprises frame 1, feed hopper 2, power set and screening plant, and screening plant comprises the rotation screen drum that several are coaxial; Screen drum comprises center screen drum 3 and outer screen drum 4; The coaxial urceolus 5 that is provided with of outer screen drum 4 all is furnished with several spiral guide muscle 6 on center screen drum 3, outer screen drum 4 and urceolus 5 inwalls, 5 of center screen drum 3, outer screen drum 4 and urceolus are fixedly connected through double threaded screw 7; Wear double threaded screw 7 between center screen drum 3 and the outer screen drum 4 and between 5 of outer screen drum 4 and the urceolus, the two ends of double threaded screw 7 are fixed on the corresponding screen drum and urceolus with clamp nut.Shown in Fig. 3 and 4, the aperture of center screen drum 3 is greater than outer screen drum 4 apertures, and the length of center screen drum 3, outer screen drum 4 and urceolus 5 is respectively 2500mm, 2100mm and 1800mm, and external diameter is respectively 300mm, 600mm and 800mm.Feed hopper 2 links through the front end of interface channel 14 with center screen drum 3, and center screen drum 3 is enclosed within interface channel 14, and center screen drum 3 can relatively rotate in interface channel 14; Center screen drum 3, outer screen drum 4 and urceolus 5 end openings are provided with on frame 1 and support support roller 11, and screen drum 3 front portions in center place to be supported on the support roller 11; Screen drum 3 end outlet places in center are provided with pole 12; Pole 12 central authorities are connected with rotating shaft 10, and rotating shaft 10 is installed on the frame 1 through bearing block, and power set can drive rotating shaft 10 and rotate; Power set comprise buncher 8 and rotating belt 9; The power transmission shaft of buncher 8 and rotating shaft 10 are respectively equipped with belt pulley, are provided with rotating belt 9 between belt pulley, and buncher 8 drives rotating shaft 10 through rotating belt.The front end of frame 1 is provided with the feet 13 of scalable height, and feet 13 is the screw mandrel of band handwheel, and screw mandrel is spun on the bottom of frame 1.Regulate the front end height of frame through rotating handwheel, to regulate the downtilt angles of screen drum.Downtilt angles through feet 13 scalable screen drums; According to the bright leaf situation of different tea; The downward angle of downtilt angles is big more, and the speed that the bright leaf of tea flows out is also fast more, confirms suitable downtilt angles according to the length of bright leaf situation of tea and screen drum.The embodiment of the invention makes tealeaves turn over the effect of throwing through all being furnished with several spiral guide muscle 6 on center screen drum 3, outer screen drum 4 and urceolus 5 inwalls on the one hand, makes tealeaves reach the effect of classification; Turn over when throwing classification on the limit, and the tealeaves that promotes after the classification is walked to discharging opening, with and reach the limit punishment in advance; The limit classification, the series classification purpose of limit discharging, this technical scheme is high more a lot of than manual sorting's efficient; The bright leaf size of tea after the classification is consistent, increases the productivity effect of tealeaves manufacturing enterprise widely.The embodiment of the invention can be provided with the conveying lifting device in feed hopper 2 front portions, carries the bright leaf of tea to rise to feed hopper, to realize its pipelining.The bright leaf classification process of tea can be realized continuous operation, and promptly this machine advances the bright leaf of tea by an end, and tealeaves is thrown turning over of screen drum and flowed out output under the sub-sieve effect automatically, has improved production efficiency.
Embodiment of the invention operation principle is: during use, pour the bright leaf of the tea that needs classification into, start buncher 8 and put; Center screen drum 3, outer screen drum 4 and urceolus 5 rotate, and the bright leaf of tea at first gets into center screen drum 3, through vertical stroke of center screen drum 3; Screen drum 3 terminal the moving toward the center are greater than the bright leaf of tea screen drum 3 end openings outflow from the center in center screen drum 3 apertures, less than the bright leaf of tea screen drum 4 outside getting in center screen drum 3 apertures; With above-mentioned principle; Flows out from outer screen drum 4 end openings greater than the bright leaf of the tea in outer screen drum 4 apertures, less than the tea aquatic foods leaf in outer screen drum 4 apertures from entering urceolus 5, through vertical stroke of urceolus 5; Flow out toward urceolus 5 terminal moving, realize three grades of classifications of the bright leaf of tea.
The foregoing description is to explanation of the present invention, is not to qualification of the present invention, and any structure after simple transformation on the basis of the present invention all belongs to protection scope of the present invention.

Claims (8)

1. the bright leaf grader of a tea; Comprise frame, feed hopper, power set and screening plant, it is characterized in that screening plant comprises the rotation screen drum that several are coaxial, be furnished with several spiral guide muscle on the cylinder inboard wall of each screen drum; Be fixedly connected between each screen drum; The aperture of the sieve aperture of each screen drum diminishes from inside to outside successively, the coaxial urceolus that is provided with of outermost screen drum, and feed hopper links through interface channel and screen drum front end; Each screen drum end openings, power set can drive the rotation of screen drum.
2. the bright leaf grader of a kind of tea according to claim 1; It is characterized in that on frame, being provided with the support support roller; Interior screen drum front portion places to be supported on the support roller, and interior screen drum end outlet place is provided with pole, and pole central authorities are connected with rotating shaft; Rotating shaft is installed on the frame through bearing block, and power set can drive rotating shaft and rotate.
3. the bright leaf grader of a kind of tea according to claim 2 is characterized in that power set comprise motor and rotating belt, and the power transmission shaft and the rotating shaft of motor are respectively equipped with belt pulley, are provided with rotating belt between belt pulley.
4. the bright leaf grader of a kind of tea according to claim 3 is characterized in that motor is a buncher.
5. according to claim 1,2, the bright leaf grader of 3 or 4 described a kind of tea, it is characterized in that above-mentioned screen drum comprises center screen drum and outer screen drum, the center screen drum is an interior above-mentioned screen drum.
6. according to claim 1,2, the bright leaf grader of 3 or 4 described a kind of tea, it is characterized in that the front end of frame is provided with the feet of scalable height.
7. the bright leaf grader of a kind of tea according to claim 6 is characterized in that feet is the screw mandrel of band handwheel, and screw mandrel is spun on the bottom of frame.
8. according to claim 1,2, the bright leaf grader of 3 or 4 described a kind of tea; It is characterized in that between each screen drum with outermost screen drum and urceolus between be fixedly connected through support bar; Support bar is a double threaded screw; Wear double threaded screw between the adjacent screen drum and between between outermost screen drum and urceolus, the two ends of double threaded screw are fixed on the corresponding screen drum and urceolus with clamp nut.
CN2012100378868A 2012-02-20 2012-02-20 Fresh tea leaf grading machine Pending CN102580914A (en)

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106378300A (en) * 2016-09-23 2017-02-08 贵州遵义新佳裕食品有限公司 Chili classifying machine with multi-stage screening function
CN109248850A (en) * 2018-11-27 2019-01-22 湖北星梦茶业股份有限公司 A kind of Tea Production screening plant
CN109465179A (en) * 2018-11-28 2019-03-15 黄广保 The spherical seed classification device of hard
CN109954652A (en) * 2017-12-22 2019-07-02 梧州市中茗茶业有限公司 Tealeaves separating screen device
CN111570252A (en) * 2020-05-21 2020-08-25 安徽省太和县天宇筛网有限公司 Multilayer screen structure
CN113560166A (en) * 2021-07-12 2021-10-29 中兰环保科技股份有限公司 Combined screening equipment and screening method for storage garbage of landfill

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2127043Y (en) * 1992-03-23 1993-02-17 马志明 Two-layer angle-adjusting screen drum dry blowing combined circular screen
JPH105568A (en) * 1996-06-19 1998-01-13 Komaki Kogyo Kk Mixer serving also as sieving machine
CN2695125Y (en) * 2004-02-06 2005-04-27 上海宝钢冶金建设公司 Multilayer coaxial rotary sieve
CN2882817Y (en) * 2005-12-28 2007-03-28 攀钢集团攀枝花钢铁研究院 Cylindrical screen
CN101223921A (en) * 2008-02-03 2008-07-23 浙江大学 Fresh leafs classifier for famous and excellent tea
CN201692930U (en) * 2010-06-07 2011-01-05 铜陵大通小磨麻油厂 Rotary screen for sieving sesame
CN202447276U (en) * 2012-02-20 2012-09-26 浙江珠峰机械有限公司 Grader for tea fresh leaves

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2127043Y (en) * 1992-03-23 1993-02-17 马志明 Two-layer angle-adjusting screen drum dry blowing combined circular screen
JPH105568A (en) * 1996-06-19 1998-01-13 Komaki Kogyo Kk Mixer serving also as sieving machine
CN2695125Y (en) * 2004-02-06 2005-04-27 上海宝钢冶金建设公司 Multilayer coaxial rotary sieve
CN2882817Y (en) * 2005-12-28 2007-03-28 攀钢集团攀枝花钢铁研究院 Cylindrical screen
CN101223921A (en) * 2008-02-03 2008-07-23 浙江大学 Fresh leafs classifier for famous and excellent tea
CN201692930U (en) * 2010-06-07 2011-01-05 铜陵大通小磨麻油厂 Rotary screen for sieving sesame
CN202447276U (en) * 2012-02-20 2012-09-26 浙江珠峰机械有限公司 Grader for tea fresh leaves

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106378300A (en) * 2016-09-23 2017-02-08 贵州遵义新佳裕食品有限公司 Chili classifying machine with multi-stage screening function
CN106378300B (en) * 2016-09-23 2018-08-21 贵州遵义新佳裕食品有限公司 Capsicum grader with multistage screening function
CN109954652A (en) * 2017-12-22 2019-07-02 梧州市中茗茶业有限公司 Tealeaves separating screen device
CN109248850A (en) * 2018-11-27 2019-01-22 湖北星梦茶业股份有限公司 A kind of Tea Production screening plant
CN109465179A (en) * 2018-11-28 2019-03-15 黄广保 The spherical seed classification device of hard
CN109465179B (en) * 2018-11-28 2020-10-27 黄广保 Hard sphere-like seed sorting device
CN111570252A (en) * 2020-05-21 2020-08-25 安徽省太和县天宇筛网有限公司 Multilayer screen structure
CN113560166A (en) * 2021-07-12 2021-10-29 中兰环保科技股份有限公司 Combined screening equipment and screening method for storage garbage of landfill

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Application publication date: 20120718