CN202778942U - Hung leaf cleaning device for vibratory fresh tea leaf classifier - Google Patents
Hung leaf cleaning device for vibratory fresh tea leaf classifier Download PDFInfo
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- CN202778942U CN202778942U CN 201220449381 CN201220449381U CN202778942U CN 202778942 U CN202778942 U CN 202778942U CN 201220449381 CN201220449381 CN 201220449381 CN 201220449381 U CN201220449381 U CN 201220449381U CN 202778942 U CN202778942 U CN 202778942U
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Abstract
The utility model discloses a hung leaf cleaning device for a vibratory fresh tea leaf classifier, which is used for preventing reduction of screening efficiency of the classifier as meshes are blocked by fresh tea leaves. The device comprises a rack, a support, a swing frame, a swing frame adjustment mechanism, as well as conveying chains and hairbrushes that are mounted on the swing frame. The swing frame adjustment mechanism is used for driving the swing frame to reciprocate up and down, so that the swing frame swings up when the classifier operates normally, and the hairbrushes are not contacted with the tea leaves on a screen; if the hung leaves on the meshes are required to be cleaned, the swing frame adjustment mechanism drives the swing frame to swing down, so that the hairbrushes are contacted with the meshes at a certain pressure; and the two ends of the hairbrushes are connected with pin shafts of the conveying chains, so that when the conveying chains are driven by a motor, the hairbrushes can be driven to move along the rack, and the hung leaves on the meshes can be cleaned out. The device is simple and practical, and easy to adjust and operates stably.
Description
Technical field
The utility model relates to the extension leaf clearing apparatus of the bright leaf grader of a kind of oscillatory type tea, belongs to agricultural machinery and automation control area.
Background technology
Because the labour is in short supply, traditional manual method has been difficult to finish in a short time arduous tea picking task, and is a large amount of dark brownish green because having little time harvesting always on tea tree; For taking full advantage of existing resource, in recent years, mechanized tea plucking has obtained developing rapidly.Leaf does not possess selectively but machine is picked tea-leaves, and its raw material tender difference different in size, old also is being mingled with a large amount of old stalk and pornographic movie simultaneously, if adopt identical technological parameter to process, certainly will cause the decline of tea leaf quality.For this reason, in formal first being processed, generally need to carry out classification, the tealeaves separate machined of different stage to the bright leaf of tea with grader.
Chinese utility model patent " a kind of Famous High-quality Tea bright leaf grader " (CN200810059580.6) has provided tea bright leaf classifying equipoment comparatively commonly used at present.It adopts taper bamboo frame to sieve, but the operation principle of this grader is similar with the vibration machine of making oolong tea, can make leaf margin produce red stain to the blade injury in classification process, is not suitable for making high-quality green tea.Another kind of commonly used classifying equipoment adopts the principle of vibrosieve, and screen cloth throws the bright leaf of tea forward with certain frequency, to the damage less of tealeaves, can not be too high but advance the tea flow, and hang leaf and stop up otherwise very easily produce mesh, screening efficiency is sharply descended., need take appropriate measures for this reason, regularly clean the extension leaf on the mesh, the split pole machine can be worked.
So far, the extension leaf cleaning of the bright leaf classifying equipoments of most of tea still relies on manual carrying out, and all will shut down when cleaning at every turn, thereby production process is interrupted.For the bright leaf grader of oscillatory type tea can be configured on the automatic production line, inevitable requirement increases the automatic cleaning device that mesh is hung leaf.
The utility model content
The technical problem that the utility model solves provides the extension leaf clearing apparatus of the bright leaf grader of a kind of oscillatory type tea.
For solving the problems of the technologies described above, technical scheme provided by the utility model is: the extension leaf clearing apparatus of the bright leaf grader of the utility model oscillatory type tea comprises support, the first reducing motor, driving shaft, driven shaft, rocker, rocker guiding mechanism and is installed in carrier chain and hairbrush on the rocker;
The two ends of driving shaft and driven shaft are installed on the rocker by rolling bearing units respectively, the two ends of driving shaft are installed with respectively a drive sprocket, one end of driving shaft also is installed with a drive sprocket, drive sprocket is connected with a drive sprocket by chain, and drive sprocket is fixedly connected with the output shaft of the first reducing motor; The two ends of driven shaft are installed with respectively a driven sprocket, and each described driven sprocket connects by carrier chain respectively with its corresponding described drive sprocket; Length direction compartment of terrain along described carrier chain is installed with hairbrush, and the two ends of hairbrush are fixedly connected with a described carrier chain respectively;
Described rocker guiding mechanism comprises the second reducing motor and screw rod, the second reducing motor is fixedly installed on the support, the output shaft of the second reducing motor is fixedly connected with an end of screw rod, the other end of described screw rod is installed on support by rolling bearing units, and the rocker guiding mechanism can utilize screw rod to drive rocker and do upper and lower reciprocating motion.
As a kind of preferred embodiment, screw rod described in the utility model is vertical state, described screw rod and described rocker threaded engagement.
As another kind of preferred embodiment, rocker guiding mechanism described in the utility model also comprises reciprocating device and fork; Described reciprocating device cooperates with screw flight, and described the second reducing motor can carry out linear reciprocating motion along the length direction of carrier chain by the screw drive reciprocating device; One end and the described reciprocating device of described fork are hinged, the other end of described fork and described rocker are hinged, described fork and support are hinged, and the hinged hinged place of fork and support is in (namely between the hinged place of the hinged place of fork and reciprocating device and fork and rocker) between the two ends of fork.
Further, rocker guiding mechanism described in the utility model also comprises guide rod, and described guide rod is fixedly connected with support, and guide rod runs through described reciprocating device and mutually forms slip cooperating relationship.
Further, rocker guiding mechanism described in the utility model also is provided with one with upper connecting rod in the compartment of terrain along the length direction of carrier chain, and an end and the support of described connecting rod are hinged, and the other end and the rocker of connecting rod are hinged.
Further, the utility model also is equipped with two limit switches to control the upper and lower movement travel of described rocker on described support.
The utlity model has following advantage:
1, can regularly, automatically finish the cleaning works that the grader mesh is hung leaf, make grader can not reduce operating efficiency because mesh stops up.
2, rocker can be made whole upper pendulum or lower pendular motion with respect to support, thereby makes grader when normal operation, and the hairbrush on the rocker is away from the tealeaves on the screen cloth, and During Process of Screening of Vibration Screen can carry out smoothly; When the extension leaf on the needs cleanings mesh, rocker is descending, makes hairbrush contact mesh and the extension leaf on it is scanned out.
Description of drawings
Fig. 1 is the scheme of installation of the utility model device on the bright leaf grader of oscillatory type tea;
Fig. 2 is the fundamental diagram of the bright leaf grader of oscillatory type tea;
Fig. 3 is the 3-D view of rocker assembly;
Fig. 4 is the 3-D view of rocker guiding mechanism;
Fig. 5 is the partial cutaway diagram when pendulum is to the extreme higher position on the rocker;
Partial cutaway diagram when Fig. 6 is the rocker bottom to extreme lower position;
Fig. 7 is that rocker is along the cut-away view of driving shaft axis;
Fig. 8 is the assembling schematic diagram of driving lever and rocker guiding mechanism;
Among the figure, 1-frame, 2-vibra shoot, 3-supporting arm, 4-support, 5-rocker, 6-rocker guiding mechanism, 7-fork.
Specific implementation process
The utility model is described in further detail below in conjunction with drawings and Examples.
Before the utility model device is specifically addressed, briefly introduce first the operation principle of the bright leaf grader of oscillatory type tea.As shown in Figure 2, during grader work, rotated through V band band movable eccentric wheel 9 by motor 8, and drive gangbar 11 through connecting rod 10.Because mid point and the frame 1 of lever 12 are hinged, and the upper and lower end of lever 12 is hinged with vibra shoot 2, gangbar 11 respectively, and gangbar 11 drives levers 12 motions, so vibra shoot 2 is done small size the vibration under the effect of lever 12.After the bright leaf of tea enters vibra shoot 2 from the left side, ceaselessly throw forward along compass screen surface, part tealeaves passes screen cloth and falls into bottom land 14.The size of mesh is divided into third gear: the AB section is minimum, and the CD section is slightly large, and the EF section is maximum.Sieve the tealeaves that gets off from the AB section and continue to be fed forward at bottom land 14, the outlet a from bottom land 14 after compiling drops out.In like manner, the bright leaf of CD and EF section drops out from outlet b, the c of bottom land 14 respectively.The bright leaf of staying on the compass screen surface drops out from the d mouth.The bright leaf grade that drops out from outlet a, b, c, d reduces successively.
The utility model is the extension leaf clearing apparatus of the bright leaf grader of a kind of oscillatory type tea.To shown in Figure 8, the utility model is hung the leaf clearing apparatus and is comprised support 4, the first reducing motor 509, rocker 5, rocker guiding mechanism 6 and be installed in carrier chain 517 on the rocker 5 and hairbrush 521 etc. such as Fig. 1, Fig. 3.Fig. 1 is the scheme of installation of the utility model device on the bright leaf grader of oscillatory type tea.Support 4 is fixedly installed togather by supporting arm 3 and frame 1: the lower end of every supporting arm 3 is through being bolted on the frame 1, and the upper end of supporting arm 3 is connected with support 4.Support 4 is comprised of longeron 404 and crossbeam 401,402,403, and longeron 404 is arranged along the length direction of carrier chain 517.
As shown in Figure 3, rocker 5 comprises left support plate 502 and right support plate 501, and left support plate 502 is fixedly connected with by the strut 503 ~ 508 that is positioned between the two with right support plate 501.The two ends of driving shaft 513 and driven shaft 514 are installed on the rocker 5 by rolling bearing units 518 respectively, the two ends of driving shaft 513 are installed with respectively a drive sprocket 515, one end of driving shaft 513 also fixedly mounts a drive sprocket 512, drive sprocket 512 is connected with drive sprocket 510 by chain 511, and drive sprocket 510 is fixedly connected with the output shaft of the first reducing motor 509.The two ends of driven shaft 514 are installed with respectively a driven sprocket 516, and each driven sprocket 514 connects by carrier chain 517 respectively with its corresponding drive sprocket 515.The first reducing motor 509 can pass through successively drive sprocket 510, chain 511, drive sprocket 512 and drive driving shafts 513 rotations, and and then drives 517 runnings of two carrier chains.Length direction compartment of terrain along carrier chain 517 is equipped with hairbrush 521, and the two ends of hairbrush 521 are fixedly connected with a carrier chain 517 respectively.The material of hairbrush 521 is advisable with food grade plastic, and preferably has preferably pliability and wearability.
As shown in Figure 4, rocker guiding mechanism 6 comprises the second reducing motor 609, screw rod 606, reciprocating device 608 and fork 71 etc.The second reducing motor 609 is fixed on the crossbeam 403 of support 4, and the output shaft of the second reducing motor 609 is fixedly connected with an end of screw rod 606 through flange, and the other end of screw rod 606 is installed on the crossbeam 401 by rolling bearing units 605.Reciprocating device 608 can be only to be made of a slide block 608, and the lower end of slide block 608 is provided with pusher dog 613, and is fixed with nut 610 and linear bearing 611,612 on the slide block 608.Screw rod 606 and nut 610 threaded engagement form the threaded engagement relation thereby make on the slide block 608 with screw rod 606, and thus, the second reducing motor 609 can drive slide blocks 608 by screw rod 606 and carry out linear reciprocating motion along the length direction of carrier chain 517.The both sides of screw rod 606 are equipped with guide rod 603,604 abreast, and guide rod 603,604 two ends are bearing in respectively on crossbeam 401, the crossbeam 402, guide rod 603,604 runs through respectively linear bearing 612,611 separately, thereby make between guide rod 603 and the linear bearing 612, mutually form respectively slip cooperating relationship between guide rod 604 and the linear bearing 611, so that screw rod 606 is when rotating under the drive of the second reducing motor 609, can drive nut 610 and then drive slide block 608 and do reciprocating linear motion along guide rod 603,604.
Shown in Fig. 5,6,8, driving lever 70 is installed in the pusher dog 613 of slide block 608, one end of fork 71 and the driving lever 70 of slide block 608 are hinged, the other end of fork 71 is hinged by pin 77 and rocker 5, fork 71 is hinged by pin 74 with support 4, and the hinged hinged place of fork 71 and support 4 is in (namely between the hinged place of the hinged place of fork 71 and driving lever 70 and fork 71 and rocker 5) between the two ends of fork 71.When slide block 608 is done linear reciprocating motion along the length direction of carrier chain 517 under the effect of the worm drive of screw rod 606, the pusher dog 613 of slide block 608 can promote driving lever 70, and then fork 71 is rotated around pin 74, thereby rocker 5 is put or the bottom on the whole: when the bright leaf grader of oscillatory type tea carries out vibrosieve work, rocker 5 is put on the whole, makes hairbrush 521 on the rocker 5 away from the tealeaves on the screen cloth; When the extension leaf on the needs cleanings mesh, rocker 5 bottoms make the mesh of hairbrush 521 contact screen clothes and the extension leaf on it are scanned out.The cleaning time of the bottom time of rocker 5 and extension leaf can be set as required by the technical staff.When rocker 5 is installed, should guarantee that hairbrush 521 can touch the compass screen surface on the vibra shoot 2 when rocker 5 bottoms during to extreme lower position.
Referring to Fig. 5, rocker guiding mechanism 6 also is equipped with connecting rod 72,73 in the compartment of terrain along the length direction of carrier chain 517, and an end of each connecting rod 72 is hinged by pin 75 and support 4, and the other end of connecting rod 72 is hinged by pin 78 and rocker 5; One end of connecting rod 73 is hinged by pin 76 and support 4, and the other end of connecting rod 73 is hinged by pin 79 and rocker 5, and connecting rod 72,73 is subband movable pendulum frame 5 pendulum or the bottoms when fork 71 rotates around pin 74.
As shown in Figure 4, the oscillating stroke of rocker 5 can be controlled in the certain limit, can control its oscillating stroke by speed and the time of the upper and lower motion of control rocker; The another kind of common rule of doing is by control the oscillating stroke of rocker 5 at two limit switches 601 of support 4 fixed installations, 602.If regulate the installation site of limit switch 601,602 on support 4, then can change the highest, the extreme lower position of rocker 5.
When the utility model extension leaf clearing apparatus was not worked, pendulum was to the extreme higher position on the rocker 5.Referring to Fig. 1 and Fig. 5, the running of the second reducing motor 609 is so that slide block 608 when moving right, and the pusher dog 613 of slide block 608 lower ends is stirred driving lever 70 to the right, and further drive fork 71 around pin 74 along clockwise rotating, move thereby make on the rocker 5.As shown in Figure 5, when slide block 608 moves right triggering limit switch 602, illustrate that rocker 5 has arrived the extreme higher position, screw rod 606 stops operating; In like manner, when slide block 608 is moved to the left triggering limit switch 601, illustrate that rocker 5 has arrived extreme lower position, screw rod 606 stops operating.This moment, hairbrush 521 was positioned at the P1 position of Fig. 7, and the distance between the compass screen surface on the lower end of hairbrush 521 and the vibra shoot 2 is h, this highly guarantee tea aquatic foods leaf can be smoothly by and be fed forward.
When the utility model is hung the work of leaf clearing apparatus, referring to Fig. 1,4,5,6, the running of the second reducing motor 609 is so that slide block 608 when being moved to the left, the pusher dog 613 of slide block 608 lower ends is stirred driving lever 70 left, and further drive fork 71 around pin 74 along rotating counterclockwise, thereby rocker 5 is moved down.As shown in Figure 6, slide block 608 is moved to the left when triggering limit switch 601, illustrates that rocker 5 has arrived extreme lower position, and screw rod 606 stops operating.This moment, hairbrush 521 was in the P2 position of Fig. 7, and hairbrush 521 cleans the extension leaf on the sieve aperture with the compass screen surface on certain pressure contact vibra shoot 2.Because rocker guiding mechanism 6 utilizes screw rod 606 to carry out worm drive, has the characteristic of reverse self-locking, therefore can guarantee that rocker 5 its position when sweeping leaf does not change.
Rocker guiding mechanism 6 also can adopt other form, moves up and down as integral body as long as can drive rocker 5..Wherein a kind of typical implementation method is, the screw rod 606 by vertical installation directly drives rocker 5 whole upper and lower translations, screw rod 606 and rocker 5 threaded engagement.This moment also can be by controlling the oscillating stroke of rocker 5 in two limit switch (not shown)s of support 4 fixed installation: when rocker 5 is put to preposition, trigger one of them limit switch by screw rod 606; And when rocker 5 bottoms during to preposition, trigger another limit switches by screw rod 606.
Claims (6)
1. the extension leaf clearing apparatus of the bright leaf grader of an oscillatory type tea is characterized in that: comprise support (4), the first reducing motor (509), driving shaft (513), driven shaft (514), rocker (5), rocker guiding mechanism (6) and be installed in carrier chain (517) and hairbrush (521) on the rocker (5);
The two ends of driving shaft (513) and driven shaft (514) are installed on the rocker (5) by rolling bearing units (518) respectively, the two ends of driving shaft (513) are installed with respectively a drive sprocket (515), one end of driving shaft (513) also is installed with a drive sprocket (512), drive sprocket (512) is connected with a drive sprocket (510) by chain (511), and drive sprocket (510) is fixedly connected with the output shaft of the first reducing motor (509); The two ends of driven shaft (514) are installed with respectively a driven sprocket (516), and each described driven sprocket (516) connects by carrier chain (517) respectively with its corresponding described drive sprocket (515); Length direction compartment of terrain along described carrier chain (517) is installed with hairbrush (521), and the two ends of hairbrush (521) are fixedly connected with a described carrier chain (517) respectively;
Described rocker guiding mechanism (6) comprises the second reducing motor (609) and screw rod (606), the second reducing motor (609) is fixedly installed on the support (4), the output shaft of the second reducing motor (609) is fixedly connected with an end of screw rod (606), the other end of described screw rod (606) is installed on the support (4) by rolling bearing units (605), and rocker guiding mechanism (6) can utilize screw rod (606) to drive rocker (5) and do upper and lower reciprocating motion.
2. extension leaf clearing apparatus according to claim 1, it is characterized in that: described screw rod (606) is vertical state, described screw rod (606) and described rocker (5) threaded engagement.
3. extension leaf clearing apparatus according to claim 1, it is characterized in that: described rocker guiding mechanism (6) also comprises reciprocating device (608) and fork (71); Described reciprocating device (608) and screw rod (606) threaded engagement, described the second reducing motor (609) can carry out linear reciprocating motion along the length direction of carrier chain (517) by screw rod (606) driving reciprocating device (608); One end of described fork (71) and described reciprocating device (608) are hinged, the other end of described fork (71) and described rocker (5) are hinged, described fork (71) and support (4) are hinged, and the hinged hinged place of fork (71) and support (4) is positioned between the two ends of fork (71).
4. extension leaf clearing apparatus according to claim 3, it is characterized in that: described rocker guiding mechanism (6) also comprises guide rod, and described guide rod is fixedly connected with support (4), and guide rod runs through described reciprocating device (608) and mutually forms slip cooperating relationship.
5. each described extension leaf clearing apparatus in 4 according to claim 1, it is characterized in that: described rocker guiding mechanism (6) also is provided with one with upper connecting rod in the compartment of terrain along the length direction of carrier chain (517), one end of described connecting rod and support (4) are hinged, and the other end of connecting rod and rocker (5) are hinged.
6. each described extension leaf clearing apparatus in 4 according to claim 1 is characterized in that: two limit switches also are installed to control the upper and lower movement travel of described rocker on described support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220449381 CN202778942U (en) | 2012-09-05 | 2012-09-05 | Hung leaf cleaning device for vibratory fresh tea leaf classifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220449381 CN202778942U (en) | 2012-09-05 | 2012-09-05 | Hung leaf cleaning device for vibratory fresh tea leaf classifier |
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| Publication Number | Publication Date |
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| CN202778942U true CN202778942U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220449381 Withdrawn - After Issue CN202778942U (en) | 2012-09-05 | 2012-09-05 | Hung leaf cleaning device for vibratory fresh tea leaf classifier |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806201A (en) * | 2012-09-05 | 2012-12-05 | 浙江大学 | Hanging leaf cleaning device of vibrating fresh tea leaf grading machine |
| CN108043705A (en) * | 2017-11-17 | 2018-05-18 | 长沙德科投资管理咨询有限公司 | A kind of sand sifter of waterproofing membrane production |
| CN108067423A (en) * | 2017-11-29 | 2018-05-25 | 傅伟 | A kind of Tea screening machine with cleaning function |
| CN117772600A (en) * | 2024-02-26 | 2024-03-29 | 中国农业科学院特产研究所 | Freeze-dried fine powder screening device and method for producing actinidia arguta active lozenge |
| CN117772600B (en) * | 2024-02-26 | 2024-04-26 | 中国农业科学院特产研究所 | Freeze-dried fine powder screening device and method for producing actinidia arguta active lozenge |
-
2012
- 2012-09-05 CN CN 201220449381 patent/CN202778942U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806201A (en) * | 2012-09-05 | 2012-12-05 | 浙江大学 | Hanging leaf cleaning device of vibrating fresh tea leaf grading machine |
| CN102806201B (en) * | 2012-09-05 | 2014-11-05 | 浙江大学 | Hanging leaf cleaning device of vibrating fresh tea leaf grading machine |
| CN108043705A (en) * | 2017-11-17 | 2018-05-18 | 长沙德科投资管理咨询有限公司 | A kind of sand sifter of waterproofing membrane production |
| CN108067423A (en) * | 2017-11-29 | 2018-05-25 | 傅伟 | A kind of Tea screening machine with cleaning function |
| CN117772600A (en) * | 2024-02-26 | 2024-03-29 | 中国农业科学院特产研究所 | Freeze-dried fine powder screening device and method for producing actinidia arguta active lozenge |
| CN117772600B (en) * | 2024-02-26 | 2024-04-26 | 中国农业科学院特产研究所 | Freeze-dried fine powder screening device and method for producing actinidia arguta active lozenge |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20141105 |
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| RGAV | Abandon patent right to avoid regrant |