CN111871785A

CN111871785A - Fresh tea leaf progressive continuous screening component

Info

Publication number: CN111871785A
Application number: CN202010743128.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Anhui Bawohu Electromechanical Technology Co ltd
Current assignee: Anhui Bawohu Electromechanical Technology Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-11-03

Abstract

The invention provides a fresh tea leaf progressive continuous screening component, which comprises a mounting frame and a sorting device, wherein the sorting device consists of three filtering mechanisms, a conveying mechanism and a collecting box, the sorting device is sequentially arranged from top to bottom, the filtering mechanisms comprise filtering ports for screening fresh tea leaves, the filtering ports are used for screening the tea leaves, the width of each filtering port is X, a distance adjusting mechanism is used for adjusting the width of each filtering port, the conveying mechanism is used for conveying the tea leaves screened by the filtering ports into the collecting box from the filtering mechanisms, the remaining fresh tea leaves pass through the filtering ports to be discharged downwards, and the widths of the filtering ports in the three filtering mechanisms from top to bottom are AX, BX and CX in sequence, and AX is more than BX and is more than CX; the fresh tea leaves can be sorted for multiple times, and the sorted fresh tea leaves with different grades are output; the size of the filtering port can be adjusted, and the application range is wide; can sort the fresh tea leaves continuously from top to bottom, and has high automation degree and sorting efficiency.

Description

Fresh tea leaf progressive continuous screening component

Technical Field

The invention relates to the technical field of tea processing, in particular to a component for continuously screening fresh tea leaves step by step.

Background

Tea is one of the favorite beverages of Chinese people, and with the continuous improvement of the living standard of Chinese people, the requirement of people on the quality of tea is higher and higher. In order to thoroughly solve the problem of difficult labor for picking tea, a machine can be used for picking tea, but a new problem is brought after the machine picks the tea, and the tea cannot reach the same grade standard of the tea. In order to solve the problem and meet the requirements of people on high-grade tea, a fresh tea leaf grader is produced at the same time and becomes an important link in the middle-grade and high-grade tea processing process. At present, the commonly used fresh tea leaf grading machine mainly comprises a drum sieve type, a plane circular sieve type and a winnowing type, and the defects of the drum sieve type, the plane circular sieve type and the winnowing type are that firstly, the structure is complex, the fresh tea leaves are difficult to carry out multi-time multi-stage separation, and the separation effect is poor; secondly, the aperture size of the sieve pores is fixed, the sieve pores cannot be adjusted, only fresh tea leaves with specific sizes can be screened, and the application range is narrow; thirdly, degree of automation is low, can't carry out continuous separation to the fresh tea leaf, selects separately inefficiency, in order to overcome foretell shortcoming, needs to provide a structure ingenious, the principle is simple, degree of automation is high, the adjustable multistage formula fresh tea leaf sorter of filter opening size.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide the multistage adjustable fresh tea leaf sorting machine which is ingenious in structure, simple in principle, high in automation degree and adjustable in size of a filter opening, and aims to solve the technical problems that in the prior art, the size of a sieve hole cannot be adjusted and the sorting efficiency is low.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

A component for continuously screening fresh tea leaves step by step comprises a mounting frame and sorting devices, wherein each sorting device is composed of a filtering mechanism, a conveying mechanism and a collecting box, three sorting devices are arranged in sequence from top to bottom, one sorting device positioned above is used for screening the fresh tea leaves discharged by a feeding hopper and screening tea leaves A, and discharging the rest fresh tea leaves downwards, one sorting device positioned in the middle is used for screening the fresh tea leaves discharged by the sorting device above the sorting device and screening tea leaves B, and discharging the rest fresh tea leaves downwards, one sorting device positioned below is used for screening the fresh tea leaves discharged by the sorting device above the sorting device and screening tea leaves C, discharging the rest fresh tea leaves into a material receiving box, wherein the tea leaves are tea leaves D, and the volume sizes of the tea leaves A, B, C and D are reduced in sequence;

the filter mechanism comprises a filter opening for screening fresh tea leaves, the filter opening is used for screening the tea leaves, the width of the filter opening is X, the distance adjusting mechanism is used for adjusting the width of the filter opening, the conveying mechanism is used for conveying the tea leaves screened by the filter opening onto the collecting box from the filter mechanism, the remaining fresh tea leaves pass through the filter opening and are discharged downwards, the widths of the filter openings in the three filter mechanisms from top to bottom are AX, BX and CX in sequence, and AX is more than BX and is more than CX;

the mounting bracket comprises guide pillars, a rectangular horizontal bottom plate and a rectangular horizontal top plate which are vertically arranged in the axial direction, the bottom plate is fixedly arranged at the top ends of the guide pillars, the top plate and the top plate are arranged just opposite to the top plate, the guide pillars are provided with four parts and are respectively fixedly connected with four corners of the top plate, the filtering mechanism, the conveying mechanism and the floating mechanism are arranged on the guide pillars and can float slightly up and down, and the collecting box is fixedly arranged.

As a further optimization or improvement of the present solution.

The filtering mechanism comprises a rectangular square frame structure movable frame positioned between four guide posts, a connecting plate is fixedly arranged at the end part of the movable frame along the length direction, the connecting plate is sleeved on the guide posts and can slightly float up and down along the guide posts, a baffle is movably arranged on the movable frame and is provided with two baffles which are symmetrically arranged along the length direction parallel to the movable frame, the baffles comprise rectangular vertical plates and rectangular inclined plates, the tops of the vertical plates are arranged into triangular structures with sharp ends vertically upwards, the bottoms of the vertical plates are horizontally arranged and inserted into the inner side of the movable frame, the tops and the bottoms of the inclined plates are both arranged into triangular structures with sharp ends vertically upwards, the bottoms of the inclined plates are matched with the tops of the vertical plates and are fixedly connected into a whole, wherein the two vertical plates are vertically arranged and the distance between the two vertical plates is constant from top to bottom, the two inclined plates are obliquely arranged and the distance between the two inclined plates is gradually reduced from, be provided with the pin between two baffles, the cylindrical body of rod structure of pin for buckling and the angle of bending be 130 to 150, the vertical upwards and lower extreme opening of loading hopper just right with this flex point of the flex point that the pin department of buckling formed, the pin wholly forms the V type structure that the opening is vertical decurrent, the pin sets up in a plurality of and arranges along the equidistant array of the interval direction of two baffles, the pin that is located the edge is laminated with the medial surface of baffle mutually, the filter opening form between two adjacent pins, the baffle can keep away from the motion each other, the pin can keep away from the motion each other in step and adjust the width size of filter opening.

As a further optimization or improvement of the present solution.

The utility model discloses a transport mechanism, including vertical board, baffle, width direction, stop lever, baffle, the gap has been formed between vertical board along the tip of adjustable shelf length direction and the hang plate, this gap department is provided with the rectangle stock guide of slope, the length direction of stock guide arranges along the interval direction of two baffles, width direction arranges that the direction is on a parallel with the direction of bending of stop lever, the stock guide extends to the outside of one of them baffle along length direction's one end, the other end extends to the outside of another baffle, the stock guide is located the tip up end of stop lever and the bottom of hang plate has the stop lever homogeneous phase laminating, the tip of stop lever is located on the stock guide, the lower terminal surface of stock guide is provided with the board of bending with adjustable shelf fixed connection.

As a further optimization or improvement of the present solution.

The guide post on coaxial fixed cover connect and be provided with the snap ring, the snap ring is located the top and the below of connecting plate respectively, the activity cup joints floating spring on the guide post, floating spring one end is contradicted with the snap ring, the other end is contradicted with the connecting plate and floating spring's elasticity is the connecting plate by the snap ring is directional all the time, the lower terminal surface of connecting plate on fixed mounting have the vibrator.

As a further optimization or improvement of the present solution.

The conveying mechanism is provided with two conveying mechanisms which are respectively positioned at one side of the filtering mechanism, each conveying mechanism comprises a rectangular supporting plate, rectangular guard plates, a driving roller, a driven roller and a conveying belt, the length direction of the supporting plate is parallel to the width direction of the movable frame, the width direction of the supporting plate is parallel to the length direction of the movable frame, the two guard plates are respectively positioned at one side of the supporting plate, the guard plates are arranged at the side surfaces of the supporting plate along the width direction and are bent upwards by ninety degrees, one guard plate is fixedly connected with the movable frame, the driving roller is rotatably arranged at one end part of the two guard plates along the length direction, the driven roller is rotatably arranged at the other end part of the two guard plates along the length direction, the axial directions of the driving roller and the driven roller are parallel to the spacing direction of the two guard plates, the conveying belt is positioned between the two guard plates and is arranged between the driving, the slope lower extreme of stock guide is located the conveyer belt, and the collecting box is provided with two and with the conveyer belt one-to-one, and the collecting box is the rectangle box structure that the opening upwards arranged, and the fixed lug that is provided with in bottom of collecting box and the extension end of lug are fixed to be cup jointed on one of them guide pillar, and the collecting box is located under the output shaft of conveyer belt.

As a further optimization or improvement of the present solution.

The mounting bracket on still be provided with the power component, the power component includes servo motor, transmission shaft two and transmission shaft three, servo motor fixed mounting is in another side middle part position of the adjustable shelf of top and its output shaft axial is vertical arranges downwards, transmission shaft two is with servo motor's coaxial fixed connection of output shaft, transmission shaft three is provided with threely and respectively with bilateral symmetry's two initiative cylinders corresponding, transmission shaft three coaxial be fixed in about between two initiative cylinders and transmission shaft three is passed by the backplate activity, be provided with the helical gear drive assembly who is used for connecting both between transmission shaft two and the transmission shaft three, helical gear drive assembly is used for transmitting the power on the transmission shaft two to transmission shaft three and drive transmission shaft three and rotate.

Compared with the prior art, the invention has the beneficial effects that:

1. the automatic tea leaf sorting machine is ingenious in structure and simple in principle, a plurality of sorting devices are arranged from top to bottom, the size of a filtering opening of each sorting device can be independently adjusted, fresh tea leaves can be sorted for multiple times, and the sorted fresh tea leaves are output in different grades;

2. the size of the filter opening can be adjusted, the fresh tea leaves of different types and sizes can be screened, and the application range is wide;

3. can sort the fresh tea leaves continuously from top to bottom, and has high automation degree and sorting efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the mounting bracket.

FIG. 3 is a diagram showing the combination of the sorting device with the hopper and the receiving box.

Fig. 4 is a schematic structural view of the sorting apparatus.

Fig. 5 is a matching view of the filtering mechanism and the distance adjusting mechanism.

Fig. 6 is a partial structural view of the filter mechanism.

Fig. 7 is a schematic structural view of the filter mechanism.

Fig. 8 is a matching view of the movable frame and the guide post.

Fig. 9 is a schematic structural view of the baffle.

Fig. 10 is a schematic structural view of the baffle.

Fig. 11 is a schematic structural view of the stopper rod.

Fig. 12 is a view showing the adjustment mechanism in cooperation with the stopper rod.

Fig. 13 is a view showing the adjustment mechanism in cooperation with the stopper rod.

Fig. 14 is a view showing the adjustment mechanism in cooperation with the stop lever.

FIG. 15 is a schematic structural view of a multi-link assembly.

FIG. 16 is a connection diagram of the slider and the linkage rod.

Fig. 17 is a connection diagram of the slider and the baffle.

Fig. 18 is a partial structural schematic view of the pitch adjusting mechanism.

Fig. 19 is a partial structural schematic view of the adjustment mechanism.

Fig. 20 is a combination view of the material guide plate, the conveying mechanism and the collecting box.

Fig. 21 is an exploded view of the delivery mechanism.

Fig. 22 is a diagram of the conveyor belt and collection box.

FIG. 23 is a view of the power member in cooperation with a plurality of delivery mechanisms.

FIG. 24 is a schematic structural view of a power member.

Labeled as:

100. a mounting frame; 101. a guide post; 102. a base plate; 103. a top plate; 104. a snap ring; 105. a floating spring;

200. a sorting device; 210. a filtering mechanism; 211. a movable frame; 212. a connecting plate; 213. a baffle plate; 213a, a vertical plate; 213b, an inclined plate; 213c, a gap; 214. a stop lever; 214a, a linkage rod; 214b, a sliding sleeve; 215. a filter port; 216. a material guide plate; 216a, a bending plate; 217. a vibrator; 220. a distance adjusting mechanism; 221. a guide bar; 222. a slider; 223. a multi-link assembly; 223a, a first connecting rod; 223b, a second connecting rod; 223c, a synchronization block; 224. a sleeve; 225. a bidirectional screw rod; 226. a stepping motor; 227. a first transmission shaft; 228. a first bevel gear transmission component; 229. a bevel gear transmission component II; 230. a conveying mechanism; 231. a support plate; 232. a guard plate; 233. a driving roller; 234. a driven drum; 235. a conveyor belt; 240. a collection box;

300. a hopper;

400. a material receiving box;

500. a power member; 501. a personal clothes motor; 502. a second transmission shaft; 503. a third transmission shaft; 504. helical gear drive assembly.

Detailed Description

First, this proposal refers to that the fresh leaves of tea leaves are formed by multiple young leaves and are approximately in the shape of a spread flower bud, i.e. the tea head part of tea plant, not a single piece of tea.

Referring to fig. 1-24, a multistage adjustable fresh tea leaf sorting machine comprises an installation frame 100, three sorting devices 200, a loading hopper 300 and a receiving box 400, wherein the loading hopper 300 is arranged at the top of the installation frame 100, the receiving box 400 is arranged at the bottom of the installation frame 100, the loading hopper 200 is of a rectangular funnel structure with a gradually narrowed opening from top to bottom, the receiving box 400 is of a rectangular box structure with a vertically upward opening, the three sorting devices 200 are sequentially arranged from top to bottom and are positioned between the loading hopper 300 and the receiving box 400, one sorting device 200 positioned above is used for screening fresh tea leaves discharged from the loading hopper 300 and screening out the largest fresh tea leaves, the remaining fresh tea leaves are discharged downwards, and one sorting device 200 positioned in the middle is used for screening the fresh tea leaves discharged from the sorting device 200 above the sorting device and screening out the larger fresh tea leaves, The remaining fresh tea leaves are discharged downward, and one of the sorting devices 200 located below is used to screen the fresh tea leaves discharged from the sorting device 200 located above and screen out "large fresh tea leaves", discharge the remaining fresh tea leaves into the material receiving box 400 and the part of tea leaves is "small fresh tea leaves", and the tea leaves are discharged downward from the hopper 300 and sorted into "maximum fresh tea leaves", "large fresh tea leaves", "small fresh tea leaves" after passing through the sorting device 200.

The mounting frame 100 comprises guide columns 101, a rectangular horizontal bottom plate 102 and a rectangular horizontal top plate 103, wherein the guide columns 101 are vertically arranged in the axial direction, the bottom plate 102 is fixedly installed at the top ends of the guide columns 101, the bottom plate 103 is fixedly installed at the top ends of the guide columns 101, the top plate 103 is arranged opposite to the top plate 102, the guide columns 101 are provided with four parts and are respectively and fixedly connected with four corners of the top plate 103, the loading hopper 300 is fixedly installed on the top plate 103, the material receiving box 400 is fixedly installed on the upper end face of the bottom plate 102, and the sorting device 200 is arranged on the guide columns 101 in a floating mode and can.

The sorting device 200 comprises a filtering mechanism 210, a distance adjusting mechanism 220, a conveying mechanism 230 and a collecting box 240, wherein the filtering mechanism 210 comprises a filtering port 215 for screening fresh tea leaves, the filtering port 215 is used for screening the tea leaves, the width of the filtering port 215 is X, the distance adjusting mechanism 220 is used for adjusting the width of the filtering port 215, the conveying mechanism 230 is used for conveying the tea leaves screened by the filtering port 215 onto the collecting box 240 from the filtering mechanism 210, the rest fresh tea leaves are discharged downwards through the filtering port 215, the widths of the filtering ports 215 in the three filtering mechanisms 210 from top to bottom are AX, BX and CX, and AX is larger than BX larger than CX, in the working process, the fresh tea leaves are discharged downwards from a hopper 300 and fall onto the filtering mechanism 210, the fresh tea leaves screened by the filtering port 215 slide onto the conveying mechanism 230 and are conveyed into the collecting box 240 by the conveying mechanism 230, the rest fresh tea leaves are discharged downwards through the filter opening 215 to the filter mechanism 210 below the filter opening, and the process is continued until the fresh tea leaves are sorted into 'largest fresh tea leaves', 'larger fresh tea leaves', 'large fresh tea leaves' and 'small fresh tea leaves'.

Specifically, the filtering mechanism 210 includes a rectangular frame-structured movable frame 211 located between four guide posts 101, a connecting plate 212 is fixedly disposed at an end of the movable frame 211 along a length direction, the connecting plate 212 is sleeved on the guide posts 101 and can slightly float up and down along the guide posts 101, a baffle 213 is movably disposed on the movable frame 211, the baffle 213 is disposed in two and symmetrically disposed along the length direction parallel to the movable frame 211, the baffle 213 includes a rectangular vertical plate 213a and a rectangular inclined plate 213b, a top of the vertical plate 213a is disposed in a triangular structure with a sharp end vertically upward, a bottom of the vertical plate 213a is horizontally disposed and the end is inserted into an inner side of the movable frame 211, a top and a bottom of the inclined plate 213b are both disposed in a triangular structure with a sharp end vertically upward, a bottom of the inclined plate 213b is coincident with a top of the vertical plate 213a and fixedly connected to form a whole, wherein the two vertical plates 213a are vertically disposed and a distance therebetween is constant from top, wherein two inclined plate 213b slope are arranged and the distance between the two reduces from top to bottom gradually, be provided with pin 214 between two baffles 213, pin 214 is the cylindrical body of rod structure of buckling and the angle of bending is 130 to 150, pin 214 bends the vertical upwards of inflection point that the department formed and hopper 300's lower extreme opening is just right with this inflection point mutually, pin 214 wholly forms the vertical decurrent V type structure of opening, pin 214 sets up in a plurality ofly and arranges along the interval direction equidistant array of two baffles 213, the pin 214 that is located the edge is laminated with the medial surface of baffle 213 mutually, filter opening 215 form between two adjacent pins 214, baffle 213 can keep away from the motion each other, pin 214 can keep away from the motion each other in step and adjust the width size of filter opening 215.

Specifically, a notch 213 is formed between an end of the vertical plate 213a along the length direction of the movable frame 211 and the inclined plate 213b, an inclined rectangular guide plate 216 is disposed at the notch 213, the length direction of the guide plate 216 is disposed along the spacing direction of the two baffles 213, the width direction of the guide plate 216 is parallel to the bending direction of the stop rod 214, one end of the guide plate 216 along the length direction extends to the outside of one of the baffles 213, the other end of the guide plate 216 extends to the outside of the other baffle 213, the guide plate 216 is located at the end of the stop rod 214, the upper end surface of the guide plate 216 is attached to the bottom of the inclined plate 213b, the end of the stop rod 214 is located above the guide plate 216, the lower end surface of the guide plate 216 is provided with a bent plate 216a fixedly connected to the movable frame 211, the inclined lower end of the guide plate 216 points to the conveying mechanism 230, and the screened fresh tea leaves are guided to the.

More specifically, the guide post 101 is coaxially and fixedly sleeved with the snap ring 104, the snap ring 104 is respectively located above and below the connecting plate 212, the floating spring 105 is movably sleeved on the guide post 101, one end of the floating spring 105 is abutted to the snap ring 104, the other end of the floating spring 105 is abutted to the connecting plate 212, the elastic force of the floating spring 105 is always directed to the connecting plate 212 by the snap ring 104, the vibrator 217 is fixedly installed on the lower end face of the connecting plate 212, the filtering mechanism 210 is integrally vibrated up and down through the vibration of the vibrator 217, and the filtering efficiency of the filtering port 215 on fresh tea leaves can be improved.

During the operation of the filtering mechanism 210, the fresh tea leaves discharged from the loading hopper 300 will fall vertically downwards and fall into the inflection point of the blocking rod 214, the fresh tea leaves will fall into between the blocking rod 214, the fresh tea leaves will slide along the blocking rod 214 to both sides, if the fresh tea leaves are larger than the size of the filtering opening 215, the fresh tea leaves will slide downwards along the blocking rod 214 and transition to the material guiding plate 216, slide onto the conveying mechanism 230 under the guiding action of the material guiding plate 216, the conveying mechanism 230 conveys the filtered and screened fresh tea leaves into the collecting box 240, if the fresh tea leaves are smaller than the size of the filtering opening 215, the fresh tea leaves will fall downwards through the filtering opening 215 and fall into the next filtering mechanism 210 for secondary filtering and sorting, and thus continuously sorting the tea leaves into "largest fresh tea leaves", "larger fresh tea leaves", "small fresh tea leaves", wherein the 'largest fresh tea leaves', 'larger fresh tea leaves', 'large fresh tea leaves' are located in the collection box 240, and the 'small fresh tea leaves' are located in the material receiving box 400.

In order to adjust the width of the filtering port 215, the distance adjusting mechanism 220 includes two guide rods 221 fixedly disposed inside the movable frame 211, the axial direction of the guide rods 221 is parallel to the width direction of the movable frame 211, the two guide rods 221 are disposed and vertically disposed, the guide rods 221 are movably sleeved with sliders 222, the sliders 222 are disposed in the movable frame 211 and can slide along the guide rods 221, the two sliders 222 are symmetrically disposed along the length direction parallel to the movable frame 211, a multi-link lifting assembly 223 is disposed between the two sliders 222 and the multi-link lifting assembly 223 is disposed above the guide rods 221, the sliders 222 and the vertical plates 213a are fixedly connected in a one-to-one correspondence, the sliders 222 can drive the baffles 213 to synchronously move toward each other or synchronously move away from each other, the multi-link assembly 223 is matched with the baffle 214 and the multi-link assembly 223 can drive the baffle 214 to synchronously move toward each other or synchronously move away from each other, the guide rod 221, the slider 222, and the multi-link assembly 223 collectively constitute a linkage member, which is provided in two and is respectively located inside the end portions of the movable frame 211 in the length direction, the linkage members respectively correspond to the end portions of the stopper rods 214, the width of the filter ports 215 decreases when the stopper rods 214 synchronously move closer to each other, and the width of the filter ports 215 increases when the stopper rods 214 synchronously move away from each other.

Specifically, the multi-link assembly 223 includes a plurality of first links 223a parallel to each other and a plurality of second links 223b parallel to each other, the first links 223a and the second links 223b cross each other to form a scissors linkage, the linkage is provided with a plurality of links and arranged in an axially equidistant array parallel to the guide rod 221, the first links 223a and the second links 223b are hinge-connected at a central position along a length direction thereof and an axial direction of a hinge shaft formed at the hinge-connection is parallel to an axial direction of one end of the proximal blocking rod 214, an end of the first link 223a in the linkage is hinge-connected with an end of the second link 223b in an adjacent linkage and an axial direction of the hinge shaft formed at the hinge-connection is parallel to an axial direction of one end of the proximal blocking rod 214, an end of the second link 223b in the linkage is hinge-connected with an end of the first link 223a in an adjacent linkage and an axial direction of the hinge shaft formed at the hinge-connection is parallel to an axial direction of one end of the proximal blocking rod 214, the end part of a first connecting rod 223a which is not hinged with a second connecting rod 223b on the edge, the end part of a second connecting rod 223b which is not hinged with the first connecting rod 223a on the edge and the end part of the hinged joint of the first connecting rod 223a and the second connecting rod 223b are respectively provided with a synchronous block 223c, the synchronous blocks 223c are in rotating connection and matching with the end parts of the first connecting rod 223a and the second connecting rod 223b, the axial direction of a rotating shaft formed at the rotating joint is parallel to the axial direction of a hinged shaft of the first connecting rod 223a and the second connecting rod 223b, two synchronous blocks 223c which correspond up and down are a group of synchronous blocks 223c, the group of synchronous blocks 223c is in one-to-one-up and one-to-down correspondence with the stop lever 214, the stop lever 214 is provided with a linkage rod 214a which is vertical to the stop lever 214 near the end, one end of the linkage rod 214a is fixedly connected with the stop, two synchronous blocks 223c in each group are sleeved on the linkage rod 214a and can slide along the linkage rod 214a, one end of the sliding block 222 is flush with the middle position of one linkage rod 214a adjacent to the sliding block 222, a sleeve 224 is arranged between the end of the sliding block and the middle position of the linkage rod 214a, one end of the sleeve 224 is fixedly connected with the end of the sliding block 222 through a bolt, the other end of the sleeve 224 is sleeved on the linkage rod 214a in a sliding manner, the sleeve 224 is always positioned between the two synchronous blocks 223c in each group, and the multi-link assembly 223 is driven to extend or shorten by driving the sliding block 222 to move away from or approach to each other, so that the plurality of blocking rods 214 are controlled to move away from or approach to each other synchronously.

More specifically, in order to drive the sliders 222 to move close to each other or move away from each other, the linkage member further includes a bidirectional screw rod 225 rotatably disposed on the movable frame 211, the bidirectional screw rod 225 is disposed between the two guide rods 221 and is axially parallel to the axial direction of the guide rods 221, the bidirectional screw rod 225 is composed of a forward threaded section and a reverse threaded section which are equal in length, the forward threaded section and the reverse threaded section are opposite in spiral direction, equal in thread pitch and equal in lift angle, one of the sliders 222 is sleeved on the forward threaded section and forms threaded connection fit therewith, the other slider 222 is sleeved on the reverse threaded section and forms threaded connection fit therewith, the two sliders 222 are moved close to each other by driving the bidirectional screw rod 225 to rotate forward, and the two sliders 222 are moved away from each other by driving the bidirectional screw rod 225 to rotate reversely.

More specifically, the distance adjusting mechanism 220 further includes a driving member for driving the two lead screws 225 to rotate synchronously, the driving member includes a stepping motor 226 fixedly installed at a middle position of the movable frame 211 along the width direction outer side thereof, and a first transmission shaft 227 rotatably installed at the movable frame 211 along the width direction outer side thereof, an axial direction of the first transmission shaft 227 is parallel to the length direction of the movable frame 211 and an end portion of the first transmission shaft 227 corresponds to a driving end of the bidirectional lead screw 225, an axial direction of an output shaft of the stepping motor 226 is perpendicular to the axial direction of the first transmission shaft 227 and a first bevel gear transmission assembly 228 for connecting the first transmission shaft and the first transmission shaft is arranged between the output shaft of the stepping motor 226 and the middle position of the first transmission shaft 227, the first bevel gear transmission assembly 228 is used for transmitting power on the output shaft of the stepping motor 226 to the first transmission shaft 227 and driving the first transmission shaft 227 to rotate, and a second bevel gear And 229, the bevel gear transmission assembly II 229 is used for transmitting the power on the transmission shaft I227 to the bidirectional screw 225 and driving the bidirectional screw 225 to rotate.

In the working process of the distance adjusting mechanism 220, the width of the filter opening 215 needs to be adjusted according to different types of tea leaves and different sizes of fresh picked tea leaves, and the specific expression is that when the filter opening 215 needs to be reduced, the first transmission shaft 227 transmits the power of the stepping motor 226 to the bidirectional screw 225 and drives the bidirectional screw 225 to rotate forwards, the sliding blocks 222 synchronously approach and slide along the guide rods 221, the sliding blocks 222 drive the baffle plates 213 to synchronously approach and move, meanwhile, the sliding blocks 222 drive the multi-link assemblies 223 to be shortened, the synchronous blocks 223c of different groups approach and move synchronously, the synchronous blocks 223c drive the baffle plates 214 to synchronously approach and move mutually, and the width of the filter opening 215 is reduced; when the upper filtering port 215 needs to be enlarged, the first transmission shaft 227 transmits the power of the stepping motor 226 to the bidirectional screw 225 and drives the bidirectional screw 225 to rotate reversely, the sliders 222 synchronously move away from each other along the guide rods 221, the sliders 222 drive the baffles 213 to synchronously move away from each other, meanwhile, the sliders 222 drive the multi-link assemblies 223 to extend, the synchronizing blocks 223c of different groups synchronously move away from each other, the synchronizing blocks 223c drive the baffles 214 to synchronously move away from each other, and the width of the filtering port 215 is enlarged.

The conveying mechanism 230 is provided with two and is respectively positioned at one side of the filtering mechanism 210, the conveying mechanism 230 comprises a rectangular supporting plate 231, a rectangular guard plate 232, a driving roller 233, a driven roller 234 and a conveying belt 235, the length direction of the supporting plate 231 is parallel to the width direction of the movable frame 211, the width direction of the supporting plate is parallel to the length direction of the movable frame 211, the guard plate 232 is provided with two and is respectively positioned at one side of the supporting plate 231, the guard plate 232 is arranged at the side of the supporting plate 231 along the width direction and is bent upwards by ninety degrees, one guard plate 232 is fixedly connected with the movable frame 211, the driving roller 233 is rotatably arranged at one end of the two guard plates 232 along the length direction, the driven roller 234 is rotatably arranged at the other end of the two guard plates 232 along the length direction, the axial direction of the driving roller and the driven roller 234 is parallel to the spacing direction of the two guard plates 232, the conveying belt 235 is, the side face of the conveying belt 235 in the width direction is attached to the inner side of the guard plate 232, the inclined lower end of the material guide plate 216 is located on the conveying belt 235, the two collecting boxes 240 are arranged and correspond to the conveying belt 235 one by one, each collecting box 240 is of a rectangular box structure with an upward opening, the bottom of each collecting box 240 is fixedly provided with a lug, the extending end of each lug is fixedly sleeved on one guide pillar 101, the collecting box 240 is located under the output shaft of the conveying belt 235, and fresh tea leaves sliding out of the material guide plate 216 are received through the conveying belt 235 and conveyed into the collecting box 240.

During operation of the conveying mechanism 230, the screened fresh tea leaves slide down the material guiding plate 216 onto the conveying belt 236, the driving roller 233 is driven to operate, and the conveying belt 235 continuously operates and discharges the fresh tea leaves from the output end thereof into the collecting box 240.

In order to drive the six conveying mechanisms 230, a power member 500 is further arranged on the mounting frame 100, the power member 500 includes a servo motor 501, a second transmission shaft 502 and a third transmission shaft 503, the servo motor 501 is fixedly mounted at the middle position of the other side surface of the uppermost movable frame 211, and the output shaft of the servo motor 501 is axially and vertically arranged downwards, the second transmission shaft 502 is coaxially and fixedly connected with the output shaft of the servo motor 501, the third transmission shaft 503 is provided with three driving rollers 233 which are respectively and symmetrically arranged, the third transmission shaft 503 is coaxially fixed between the left and right driving rollers 233 and the third transmission shaft 503 is movably penetrated by a guard plate 232, a bevel gear transmission assembly 504 for connecting the second transmission shaft 502 and the third transmission shaft 503 is arranged between the second transmission shaft 502 and the third transmission shaft 503, the bevel gear transmission assembly 504 is used for transmitting the power on the second transmission shaft 502, through the rotation of the third transmission shaft 503, the conveying mechanism 230 is driven to operate, and the screened fresh tea leaves are conveyed and discharged into the collection box 240.

Claims

1. The utility model provides a fresh tea leaf sieves component in succession step by step which characterized in that: the automatic tea leaf sorting device comprises a mounting frame and sorting devices, wherein the sorting devices are composed of a filtering mechanism, a conveying mechanism and a collecting box, the sorting devices are three and are sequentially arranged from top to bottom, one sorting device positioned above the sorting device is used for screening fresh tea leaves discharged by a feeding hopper and screening tea leaves A, and the rest of the fresh tea leaves are discharged downwards, one sorting device positioned in the middle is used for screening the fresh tea leaves discharged by the sorting device above the sorting device and screening tea leaves B, and the rest of the fresh tea leaves are discharged downwards, one sorting device positioned below the sorting device is used for screening the fresh tea leaves discharged by the sorting device above the sorting device and screening tea leaves C, the rest of the fresh tea leaves are discharged into a material receiving box, the tea leaves are tea leaves D, and the volume sizes of the tea leaves A, the tea leaves B, the tea leaves C and the tea leaves D are sequentially reduced;

2. The fresh tea leaf progressive continuous screening member as claimed in claim 1, wherein: the filtering mechanism comprises a rectangular square frame structure movable frame positioned between four guide posts, a connecting plate is fixedly arranged at the end part of the movable frame along the length direction, the connecting plate is sleeved on the guide posts and can slightly float up and down along the guide posts, a baffle is movably arranged on the movable frame and is provided with two baffles which are symmetrically arranged along the length direction parallel to the movable frame, the baffles comprise rectangular vertical plates and rectangular inclined plates, the tops of the vertical plates are arranged into triangular structures with sharp ends vertically upwards, the bottoms of the vertical plates are horizontally arranged and inserted into the inner side of the movable frame, the tops and the bottoms of the inclined plates are both arranged into triangular structures with sharp ends vertically upwards, the bottoms of the inclined plates are matched with the tops of the vertical plates and are fixedly connected into a whole, wherein the two vertical plates are vertically arranged and the distance between the two vertical plates is constant from top to bottom, the two inclined plates are obliquely arranged and the distance between the two inclined plates is gradually reduced from, be provided with the pin between two baffles, the cylindrical body of rod structure of pin for buckling and the angle of bending be 130 to 150, the vertical upwards and lower extreme opening of loading hopper just right with this flex point of the flex point that the pin department of buckling formed, the pin wholly forms the V type structure that the opening is vertical decurrent, the pin sets up in a plurality of and arranges along the equidistant array of the interval direction of two baffles, the pin that is located the edge is laminated with the medial surface of baffle mutually, the filter opening form between two adjacent pins, the baffle can keep away from the motion each other, the pin can keep away from the motion each other in step and adjust the width size of filter opening.

3. The fresh tea leaf progressive continuous screening member as claimed in claim 2, wherein: the utility model discloses a transport mechanism, including vertical board, baffle, width direction, stop lever, baffle, the gap has been formed between vertical board along the tip of adjustable shelf length direction and the hang plate, this gap department is provided with the rectangle stock guide of slope, the length direction of stock guide arranges along the interval direction of two baffles, width direction arranges that the direction is on a parallel with the direction of bending of stop lever, the stock guide extends to the outside of one of them baffle along length direction's one end, the other end extends to the outside of another baffle, the stock guide is located the tip up end of stop lever and the bottom of hang plate has the stop lever homogeneous phase laminating, the tip of stop lever is located on the stock guide, the lower terminal surface of stock guide is provided with the board of bending with adjustable shelf fixed connection.

4. The fresh tea leaf progressive continuous screening member as claimed in claim 2, wherein: the guide post on coaxial fixed cover connect and be provided with the snap ring, the snap ring is located the top and the below of connecting plate respectively, the activity cup joints floating spring on the guide post, floating spring one end is contradicted with the snap ring, the other end is contradicted with the connecting plate and floating spring's elasticity is the connecting plate by the snap ring is directional all the time, the lower terminal surface of connecting plate on fixed mounting have the vibrator.

5. The fresh tea leaf progressive continuous screening member as claimed in claim 1, wherein: the conveying mechanism is provided with two conveying mechanisms which are respectively positioned at one side of the filtering mechanism, each conveying mechanism comprises a rectangular supporting plate, rectangular guard plates, a driving roller, a driven roller and a conveying belt, the length direction of the supporting plate is parallel to the width direction of the movable frame, the width direction of the supporting plate is parallel to the length direction of the movable frame, the two guard plates are respectively positioned at one side of the supporting plate, the guard plates are arranged at the side surfaces of the supporting plate along the width direction and are bent upwards by ninety degrees, one guard plate is fixedly connected with the movable frame, the driving roller is rotatably arranged at one end part of the two guard plates along the length direction, the driven roller is rotatably arranged at the other end part of the two guard plates along the length direction, the axial directions of the driving roller and the driven roller are parallel to the spacing direction of the two guard plates, the conveying belt is positioned between the two guard plates and is arranged between the driving, the slope lower extreme of stock guide is located the conveyer belt, and the collecting box is provided with two and with the conveyer belt one-to-one, and the collecting box is the rectangle box structure that the opening upwards arranged, and the fixed lug that is provided with in bottom of collecting box and the extension end of lug are fixed to be cup jointed on one of them guide pillar, and the collecting box is located under the output shaft of conveyer belt.

6. The fresh tea leaf progressive continuous screening member as claimed in claim 1, wherein: the mounting bracket on still be provided with the power component, the power component includes servo motor, transmission shaft two and transmission shaft three, servo motor fixed mounting is in another side middle part position of the adjustable shelf of top and its output shaft axial is vertical arranges downwards, transmission shaft two is with servo motor's coaxial fixed connection of output shaft, transmission shaft three is provided with threely and respectively with bilateral symmetry's two initiative cylinders corresponding, transmission shaft three coaxial be fixed in about between two initiative cylinders and transmission shaft three is passed by the backplate activity, be provided with the helical gear drive assembly who is used for connecting both between transmission shaft two and the transmission shaft three, helical gear drive assembly is used for transmitting the power on the transmission shaft two to transmission shaft three and drive transmission shaft three and rotate.