Impurity removing device for tea leaves
Technical field
The present invention relates to tea processing technical fields, specially impurity removing device for tea leaves.
Background technology
Since the production technology of tealeaves is extensive and unhygienic, dust, hair, plastic flakes, iron filings etc. are often mixed into tealeaves
Impurity causes the tea products that present production department goes out very unhygienic.For the removal of these impurity, the traditional way of producer is all
Rental is largely manually picked, and since the conscientious degree of staff is with sense of responsibility difference, the tealeaves after picking by hand removes
Miscellaneous situation is undesirable, and the amount of labour used is big, and producer is of high cost.
To solve the above problems, Chinese patent notification number is a kind of material electrostatic precipitation de-burring machine of CN201558744U
Device, including bring into, the enclosed hood of discharge port, the material conveyor being placed in enclosed hood, the discharge end setting of material conveyor is quiet
Electro Sorb roller and electrostatic attraction board, Electrostatic Absorption roller and electrostatic attraction board are electrically connected with electrostatic generator, and enclosed hood feed inlet is set
Have and generates charged horizontal roller group.The patent, which needs tealeaves to rub with horizontal roller group, could generate charge, in friction process, meeting
So that a large amount of tealeaves are grinded up, the other defects such as tea leaf quality are reduced.To solve the defect of the patent, Chinese patent notification number is
The tea static impurity-removing device of CN102294303Bd, including delivery sheet, the felt item that is arranged on delivery sheet and horizontally disposed modeling
Roller tube, felt item and plastics rollers CONTACT WITH FRICTION, felt item lower section are provided with containing box, and containing box is tilted towards rack side.
The tea static impurity-removing device, which is contacted by felt item with plastics rollers, occurs electrostatic so that the sundries quilt of plastics rollers adsorption
Felt item descends slowly and lightly after blocking to containing box, then is discharged by containing box.
Although tea static impurity-removing device does not need tealeaves and generates charge with plastics rollers friction, it will be appreciated, however, that should
The felt item of patent is contacted with plastics rollers, and plastics rollers, which ceaselessly rotate, generates Electrostatic Absorption sundries, sundries hair felt rug gear
It descends slowly and lightly to containing box after firmly, when sundries is more, sundries can push away product in containing box, then sundries is fallen again from the lateral edges of containing box
On delivery sheet, it cannot effectively achieve the effect that tealeaves cleans.Further more, the sundries of plastics rollers Electrostatic Absorption is all lighter,
Heavier sundries is just not easy to be attracted in plastics rollers, so, the delivery sheet of the patent is set as sieve plate, delivery sheet and motor
Connection, motor drive delivery sheet shake, sieve plate to be dropped out by sieve pore for sundries such as finger stone, dust and tealeaves powders,
But since sundries is not of uniform size, sieve pore is too small, then cannot thoroughly remove sundries, and sieve pore is also easy to be plugged;Sieve pore is excessive, then tea
Leaf and sundries are dropped out by sieve pore, cause the waste of tealeaves or secondary progress tealeaves removal of impurities.
Invention content
The invention is intended to provide impurity removing device for tea leaves, the sundries that its plastics rollers is adsorbed is made not fall on conveyer belt again
It mixes with tealeaves, and can also directly detach tealeaves with sundries not to be adsorbed simultaneously, the waste or two of tealeaves will not be caused
Secondary removal of impurities.
The base case of this programme:Impurity removing device for tea leaves, including delivery sheet, be equipped with above the delivery sheet felt item, with
The actuating unit of the plastics rollers and driving plastics rollers rotation of the contact of felt item, the felt item lower section are equipped with inclined cunning
Rail, the plastics rollers are equipped with link mechanism;The sliding rail is equipped with the accommodating mechanism for receiving sundries, and the accommodating mechanism is even
It can move back and forth and clean in sliding rail under the action of linkage, the link mechanism is connected under the action of link mechanism
Telescopic air bag, the air bag are equipped with air inlet and gas outlet, and the air inlet is equipped with check valve, and the gas outlet is equipped with single
To valve, gas outlet is arranged in the direction towards delivery sheet and accommodating mechanism.
The operation principle of this base case:Delivery sheet allows plastics rollers rotation to rub with felt item when transmitting tealeaves
It wipes and generates electrostatic, plastics rollers will adsorb lighter sundries, and the sundries hair felt rug of plastics rollers adsorption is fallen after blocking
Into accommodating mechanism.Plastics rollers trigger accommodating mechanism while rotation, by link mechanism and clean, and rotating mechanism is same
When can stretch and extruding gasbag so that when air bag is stretched, the inlet charge of air bag;When air bag is extruded, gas
The gas outlet outlet of capsule blows to delivery sheet and accommodating mechanism, and the tealeaves of delivery sheet is just blown afloat, to blow out delivery sheet,
Just some remaining heavier sundries on delivery sheet, to eliminate the sundries that weight in tealeaves differs.
The advantageous effect of this base case:1, since plastics rollers are rotating always, so accommodating mechanism is receiving sundries
While, link mechanism just triggers accommodating mechanism removal of impurities under the rotation of plastics rollers, and link mechanism meeting extruding gasbag goes out
Gas, gas blow to accommodating mechanism, can blow the sundries being equipped in accommodating mechanism, when avoiding the accommodating mechanism excessive sundries of accumulation,
Affect the effect of accommodating mechanism removal of impurities.
2, due to that can contain some heavier sundries in the sundries of tealeaves, such as finger stone, regulus, dust etc., this is miscellaneous
Object is not easy to be attracted to plastics rollers surface, so the air bag outlet of this programme is additionally operable to blow tealeaves from the side of delivery sheet
It walks, heavier sundries is left on feeding belt.Compared with this patent of tea static impurity-removing device, delivery sheet need not be arranged
At the form of sieve plate, it also need not additionally increase power and sieve plate is shaken, the present invention is directly rotated by plastics rollers dynamic
Power realizes and removes the sundries in accommodating mechanism, goes back while realizing the differentiation of tealeaves and heavier sundries, effectively carry out
The removal of impurities of tealeaves.
Further, the link mechanism includes cam, and the cam is fixed on the axle journal of the plastics rollers;The receipts
It includes containing box and tension spring to receive mechanism, and the containing box is located in the sliding rail, and the bottom surface that the containing box is in low order end is set
There is an impurity discharging port, and the low order end of containing box is equipped with the tension spring being connect with sliding rail, is hinged at the impurity discharging port and only outwardly opens
Check valve;The high order end of the containing box is set as the inclined-plane that can coordinate with the outer edge surface of the cam, and the inclined-plane is stretched out and slided
Rail can be contacted with the outer edge surface of the cam lobe.
Plastics rollers rotation is that band moving cam rotates, and in cam rotation process, the outer edge surface of cam protrusion can be with storage
The contact of incline plane of case, cam can push containing box to be slided in sliding rail, and one end that low level is in containing box skids off outside sliding rail
When, the tension spring of the containing box end deforms upon, and the check valve of impurity discharging port is to opening, and impurity discharging port is opened, the sundries in containing box
Just dropped out from impurity discharging port.After cam protrusion transfers, containing box, the tension spring of containing box end is no longer pushed to reset containing box
It rebounds original state, waiting is contacted with cam protrusion next time.This programme realizes containing box and cleans when collecting sundries, leads to
It crosses and the end of containing box is set as inclined-plane, increase the contact surface of containing box end and cam outer edge surface, contribute to cam steady
Push containing box, it is simple in structure, it is easy to implement, and tension spring reset by containing box along sliding rail upward sliding when, help to receive
The sundries received in case is snapped down at impurity discharging port, it is not easy to sundries be caused to be deposited in containing box.
Further, the link mechanism further includes connecting pole, connecting rod and pressing plate, and one end of the connecting pole is fixed on institute
It states on protrusion of the cam far from delivery sheet end face, one end of the connecting rod is hinged on the other end of connecting pole, connection
The other end of bar connects the upper surface of the pressing plate, and the lower face of the pressing plate connects air bag.
When cam follows plastics rollers to rotate, connecting pole follows cam to rotate together, since connecting rod passes through pressure
Plate connect air bag, connecting pole rotation just drive connecting rod by pressing plate stretch and extruding gasbag, to realize air bag air inlet and
Outlet.This programme is simple in structure, at low cost.
Further, the cooperation of the plastics rollers and felt item includes multigroup;Every group of plastics rollers are equipped with connecting rod machine
Structure, each link mechanism have been correspondingly connected with air bag.
By the way that being used cooperatively for multigroup plastics rollers and felt item is arranged so that tealeaves removal of impurities is more thorough.
Further, the sliding rail is located at the lower section of low level equipped with the impurity storage box for receiving the sundries dropped out from the impurity discharging port.
Sundries in containing box is dropped out from impurity discharging port, is directly fallen into impurity storage box, and the post-processing of sundries is convenient for.
Further, the delivery sheet is equipped with the discharge port for receiving tealeaves along the side of direction of transfer, and the discharge port is cone
Shape mouth.
Since tealeaves is blown away from delivery sheet, conical opening avoids tealeaves and is scattered in different places, contributes to tealeaves
Recycling.
Description of the drawings
Fig. 1 is the structural schematic diagram of impurity removing device for tea leaves embodiment of the present invention;
Fig. 2 is the structural schematic diagram of link mechanism in the present embodiment.
Specific implementation mode
It is further described below by specific implementation mode:
Reference numeral in Figure of description includes:Rack 1, delivery sheet 2, impurity outlet 3, containing box 4, cam 5, felt item
6, plastics rollers 7, feed inlet 8, impurity storage box 9, discharge port 10, connecting rod 11, pressing plate 12, air bag 13.
Embodiment is substantially as shown in Fig. 1:Impurity removing device for tea leaves, including rack 1 and clean for transmitting tealeaves
Delivery sheet 2, delivery sheet 2 are mounted in rack 1, and 1 upper edge delivery sheet 2 of rack is respectively equipped with feed inlet 8 along the both ends of direction of transfer
With impurity outlet 3, delivery sheet 2 is equipped with discharge port 10 along the side of direction of transfer, wherein discharge port 10 is set as conical opening.
The felt item 6 and plastics rollers 7 that four groups are used cooperatively are installed, plastics rollers 7 are positioned horizontally in delivery sheet in rack 1
2 top, plastics rollers 7 are contacted with felt item 6, and motor (not shown) is equipped in rack 1, and motor passes through belt and skin
Belt wheel drives plastics rollers 7 to rotate.Inclined sliding rail (not shown) is equipped between every group of felt item 6 and delivery sheet 2, it is sliding
Rail is mounted in rack 1, and one end that sliding rail is located at 10 direction of discharge port is low order end.
The axle journal of plastics rollers 7 is equipped with link mechanism, and four plastics rollers 7 are equipped with link mechanism, in four sliding rails
Equipped with receive plastics rollers 7 adsorb sundries accommodating mechanism, each accommodating mechanism under the action of corresponding link mechanism into
Row removal of impurities, each link mechanism are connected with the telescopic air bag 13 under the action of link mechanism, and air bag 13 is fixed on rack 1
On, the air bag 13 is equipped with air inlet and gas outlet, and the air inlet is equipped with the check valve that only air inlet holds one's breath, the gas outlet
Check valve equipped with only outlet not air inlet, gas outlet are arranged in the direction towards delivery sheet 2 and accommodating mechanism, and air inlet setting exists
The corresponding surface in face where 13 gas outlet of air bag.
As shown in Fig. 2, link mechanism includes cam 5, connecting pole (not shown), connecting rod 11 and pressing plate 12, cam 5
It is welded on the axle journal.One end bias of connecting pole is fixed on protrusion of the cam 5 far from 2 end face of delivery sheet, connecting rod
11 one end is hinged on the other end of connecting pole, the upper surface of the other end hinged platen 12 of connecting rod 11, the lower end of pressing plate 12
Face is bonded air bag 13.
Accommodating mechanism includes the containing box 4 that upper surface is opening, and containing box 4 is put in sliding rail, and containing box 4 can be in sliding rail
Sliding, the bottom surface that containing box 4 is in low order end are equipped with impurity discharging port, the check valve only outwardly opened are hinged at impurity discharging port, and receive
Receive case 4 low order end pass through the inner bottom surface of tension spring and sliding rail connect.The high order end of containing box 4 is set as can be with the cam 5
The inclined-plane of outer edge surface cooperation, and inclined-plane stretches out sliding rail and can offset with the outer edge surface of 5 protrusion of the cam.
It is set between discharge port 10 and the low order end of sliding rail in the present embodiment for the ease of collecting the sundries in containing box 4
There are impurity storage box 9, the side of impurity storage box 9 to be mounted in rack 1, the upper surface of impurity storage box 9 is opening.
Specific implementation process is as follows:For delivery sheet 2 when transmitting tealeaves, motor drives idler wheel rotation, idler wheel rotation logical
The rotation of belt-driven plastics rollers 7 is crossed, the rotation of plastics rollers 7 generates electrostatic with the friction of felt item 6, and plastics rollers 7 will inhale
Attached lighter sundries, the sundries hair felt rug 6 of 7 adsorption of plastics rollers drop down onto after blocking in containing box 4.
Band moving cam 5 rotates while plastics rollers 7 rotate, in 5 rotation process of cam, the outer edge surface of 5 protruding portion of cam
Containing box 4 can be pushed to be slided in low level extreme direction in sliding rail with the contact of incline plane of containing box 4, cam 5, in containing box
When 4 one end in low level are skidded off outside sliding rail, the tension spring of 4 end of containing box, which is stretched, to be deformed upon, the check valve of impurity discharging port
To opening, impurity discharging port is opened, and the sundries in containing box 4 is just dropped into from impurity discharging port in impurity storage box 9.After 5 protruding portion of cam transfers,
No longer push containing box 4, the tension spring of 4 end of containing box, which resets, rebounds containing box 4 original state, wait for next time with cam 5
Protruding portion contacts, and is cleaned to realize containing box 4 when collecting sundries.
While cam 5 rotates, connecting pole follows cam 5 to rotate together, since connecting rod 11 connects gas by pressing plate 12
Capsule 13, connecting pole rotation just drive connecting rod 11 to be stretched and extruding gasbag 13 through pressing plate 12;When air bag 13 is extruded,
The gas outlet outlet of air bag 13 is blown to containing box 4 and delivery sheet 2, gas blow to containing box 4 contribute to it is miscellaneous in containing box 4
Object slides to impurity discharging port, avoids the accumulation of sundries;After the tealeaves of delivery sheet 2 is blown afloat, tealeaves is just blown into from delivery sheet 2 to going out
In material mouth 10, just some remaining heavier sundries on delivery sheet 2, to eliminate the sundries that weight in tealeaves differs.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge can know the prior art all in the field, and with using routine experiment hand before the date
The ability of section, one skilled in the art can improve in conjunction with self-ability and implement under the enlightenment that the application provides
This programme, some typical known features or known method should not implement the application as one skilled in the art
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Go out several modifications and improvements, these should also be considered as protection scope of the present invention, these all do not interfere with the effect that the present invention is implemented
Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
The records such as body embodiment can be used for explaining the content of claim.