CN114345685B - Screening machine for tea classification - Google Patents
Screening machine for tea classification Download PDFInfo
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- CN114345685B CN114345685B CN202111527930.9A CN202111527930A CN114345685B CN 114345685 B CN114345685 B CN 114345685B CN 202111527930 A CN202111527930 A CN 202111527930A CN 114345685 B CN114345685 B CN 114345685B
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- gear
- box
- bottom box
- shaft
- sleeved
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a screening machine for tea classification, which comprises a bottom box, wherein a first screen plate is arranged at the top in the bottom box, a first transverse shaft is arranged below the first screen plate, and the first transverse shaft is connected with the first screen plate through a reciprocating mechanism; a second sieve plate is arranged in the middle of the bottom box, a second transverse shaft is arranged below the second sieve plate, and the second transverse shaft is connected with the second sieve plate through a vibrating mechanism; the bottom is equipped with screen cloth inner box in the base box, and the both sides face of screen cloth inner box is connected with the base box through sliding component, and the left surface bottom of base box is equipped with the diaphragm, installs actuating mechanism on the top surface of diaphragm. According to the invention, screening operation is performed by layering, so that the tea screening quality is effectively ensured, and the tea grading screening efficiency is improved.
Description
Technical Field
The invention relates to the technical field of tea screening, in particular to a screening machine for tea classification.
Background
The tea leaves are required to be stir-fried, deactivated, screened and the like in the production process, and the screening can be used for storing and selling the tea leaves with different qualities separately, so that the value of the tea leaves is maximized.
When the existing tea screening device is used, the following defects exist: 1. most vibration screening devices have too complex structures, and in the screening process, tea is easy to collide and crack, so that the quality of the tea is greatly affected; 2. the inside design of sieving mechanism is unreasonable, can't carry out effectual hierarchical screening to tealeaves, influences the production efficiency of actual screening process.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a screening machine for tea classification.
In order to solve the problems existing in the prior art, the invention adopts the following technical scheme:
the screening machine for classifying tea comprises a bottom box, wherein a first screen plate is arranged at the inner top of the bottom box, a first transverse shaft is arranged below the first screen plate, two ends of the first transverse shaft are rotationally connected with the inner side wall of the bottom box, and the first transverse shaft is connected with the first screen plate through a reciprocating mechanism;
the middle part in the bottom box is provided with a second sieve plate, a second transverse shaft is arranged below the second sieve plate, two ends of the second transverse shaft are both rotationally connected with the inner side wall of the bottom box, and the second transverse shaft is connected with the second sieve plate through a vibrating mechanism;
the bottom in the bottom box is provided with a screen inner box, two side surfaces of the screen inner box are connected with the bottom box through sliding components, each sliding component comprises a positioning slide rod and a connecting long plate, two side surfaces of the screen inner box are respectively provided with a pair of positioning slide rods, a pair of positioning slide holes are formed in the bottoms of the two side surfaces of the bottom box at positions corresponding to the positioning slide rods, each positioning slide rod penetrates through the corresponding positioning slide hole in a sliding manner and extends to the outer side of the bottom box, the outer end part of each positioning slide rod is provided with a connecting long plate at the bottom of the two side surfaces of the bottom box, each connecting long plate is fixedly connected with the outer end part of the corresponding positioning slide rod, and a tension spring is sleeved on the left section of each positioning slide rod;
the bottom of the left side surface of the bottom box is provided with a transverse plate, the top surface of the transverse plate is provided with a driving mechanism, the driving mechanism comprises a fixed shaft and a servo motor, a fixed bearing is arranged on the outer side of the top surface of the transverse plate, the fixed shaft is inserted into the fixed bearing, a second bevel gear is sleeved at the bottom of the fixed shaft, the inner side of the top surface of the transverse plate is provided with the servo motor, the end part of a motor shaft of the servo motor is sleeved with a first bevel gear, and the first bevel gear is in meshed connection with the second bevel gear;
the middle part of the fixed shaft is sleeved with an eccentric convex disc, the eccentric convex disc is matched and abutted against the outer side surface of the corresponding connecting long plate, the top end part of the fixed shaft is sleeved with a third bevel gear, the left end part of the left side surface of the bottom box, which is positioned on the left end part of the second transverse shaft, is sleeved with a fourth bevel gear, and the third bevel gear is in meshed connection with the fourth bevel gear;
the left end part of the left transverse shaft positioned on the left side surface of the bottom box is respectively sleeved with a first gear lack and a second gear lack, the left side surface of the bottom box is provided with a first bearing above the left end part of the first transverse shaft, a first linkage shaft is inserted into the first bearing, the outer end part of the first linkage shaft is sleeved with a second gear, a third gear lack is sleeved on the first linkage shaft above the first gear lack, and the third gear lack is in meshed connection with the first gear lack;
a second bearing is arranged on the left side surface of the bottom box below the left end part of the first transverse shaft, a second linkage shaft is inserted in the second bearing, a first gear is sleeved at the outer end part of the second linkage shaft, the first gear is in meshed connection with the second gear, a fourth gear is sleeved on the second linkage shaft below the second gear, and the fourth gear is in meshed connection with the second gear;
the second sprocket is sleeved on the second linkage shaft between the first gear and the fourth gear lack, the first sprocket is sleeved on the left end part of the second transverse shaft below the second sprocket, and the first sprocket is in meshed transmission connection with the second sprocket through a driving chain belt.
Preferably, the reciprocating mechanism comprises arc-shaped sliding plates and reciprocating gears, arc-shaped sliding holes are transversely formed in the top walls of the front face and the rear face of the bottom box, a pair of arc-shaped sliding plates are arranged on the front side edge and the rear side edge of the first sieve plate, and each arc-shaped sliding plate penetrates through the corresponding arc-shaped sliding hole in a sliding mode and extends to the outer side of the bottom box;
the bottom surface both sides of first sieve are equipped with a pair of arc rack, the left end portion of first cross axle runs through the base case and extends to the outside of base case, and the below that is located a pair of arc rack overlaps on first cross axle and is equipped with a pair of reciprocating gear, every reciprocating gear all is connected with the arc rack meshing that corresponds.
Preferably, the vibration mechanism comprises sliding blocks and eccentric cams, the four corners of the second sieve plate are respectively provided with a sliding block, the positions corresponding to the sliding blocks are respectively provided with a T-shaped sliding groove on the inner wall of the bottom box, the inside of each T-shaped sliding groove is clamped with a T-shaped sliding block, the tops of the T-shaped sliding blocks in the T-shaped sliding grooves are respectively provided with a buffer spring, and each sliding block is fixedly connected with the corresponding T-shaped sliding block;
the bottom surface both sides of second sieve are equipped with a pair of arc baffle, the left end portion of second cross axle runs through the base case and extends to the outside of base case, and the below that is located a pair of arc baffle overlaps on the second cross axle and is equipped with a pair of eccentric cams, every eccentric cam all supports tightly with the arc baffle cooperation that corresponds.
Preferably, a plurality of first sieve holes are formed in the top surface of the first sieve plate, a plurality of second sieve holes are formed in the top surface of the second sieve plate, a plurality of third sieve holes are formed in the bottom surface of the inner box of the sieve screen, a box door opening is formed in the front surface of the bottom box, and a pair of box doors are mounted in the box door opening.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the matched use of the reciprocating mechanism and the staggered matched design of the gear-lack wheels, the first sieve plate is driven to reciprocate back and forth in the bottom box, large-particle tea leaves remain on the first sieve plate, and other tea leaves fall onto the second sieve plate through the first sieve holes, so that preliminary screening operation of the large-particle tea leaves is facilitated;
2. according to the invention, through the matched use of the vibration mechanism, the eccentric cam and the arc-shaped baffle plate are matched and interacted to drive the second sieve plate to vertically reciprocate in the middle part in the bottom box, the medium-grain tea leaves remain on the second sieve plate, and the rest tea leaves fall onto the inner box of the sieve screen through the second sieve holes, so that the secondary screening operation of the medium-grain tea leaves is facilitated;
3. according to the invention, through the matched use of the sliding component, when the eccentric convex disc and the connecting long plate are matched and interacted, the inner screen box is driven to transversely reciprocate at the bottom in the bottom box, small-particle tea leaves remain on the inner screen box, and tea powder falls to the bottom in the bottom box, so that the final screening operation of the small-particle tea leaves is facilitated;
in conclusion, the tea screening device and the tea screening method have the advantages that through the cooperation of the mechanisms, screening operation is carried out through layering design, the quality in the tea screening process is effectively guaranteed, and the grading screening efficiency of tea is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is an enlarged view of the portion A-A of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged view of the invention at B in FIG. 2;
number in the figure: the base box 1, the servo motor 11, the first bevel gear 12, the fixed shaft 13, the second bevel gear 14, the eccentric cam 15, the third bevel gear 16, the box door 17, the first sieve plate 2, the arc-shaped sliding plate 21, the first transverse shaft 22, the reciprocating gear 23, the second gear lack 24, the first gear lack 25, the arc-shaped rack 26, the second sieve plate 3, the sliding block 31, the second transverse shaft 32, the eccentric cam 33, the fourth bevel gear 34, the first sprocket 35, the driving chain belt 36, the second sprocket 37, the screen inner box 4, the positioning sliding rod 41, the connecting long plate 42, the second linkage shaft 5, the fourth gear lack 51, the first gear 52, the first linkage shaft 53, the third gear lack 54 and the second gear 55.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Embodiment one: 1-5, specifically, the screening machine for tea classification comprises a bottom box 1, wherein the bottom box 1 is in a rectangular box shape with an open top surface, a first screen plate 2 transversely arranged is arranged at the top in the bottom box 1, the first screen plate 2 is in an arc plate shape with an upward opening, two pairs of first arc side plates are arranged on two sides of the top surface of the first screen plate 2, tea leaves on the first screen plate 2 can be prevented from falling off from two sides through the use of the first arc side plates, a first transverse shaft 22 which is arranged in parallel is arranged below the first screen plate 2, two ends of the first transverse shaft 22 are rotationally connected with the inner side wall of the bottom box 1, and the first transverse shaft 22 is connected with the first screen plate 2 through a reciprocating mechanism;
the middle part in the bottom box 1 is provided with a second sieve plate 3 which is transversely placed, the second sieve plate 3 is in an arc plate shape with an upward opening, two sides of the top surface of the second sieve plate 3 are provided with a pair of second arc side plates, tea leaves on the second sieve plate 3 can be prevented from falling off from two sides through the use of the second arc side plates, a second transverse shaft 32 which is parallelly placed is arranged below the second sieve plate 3, two ends of the second transverse shaft 32 are both rotationally connected with the inner side wall of the bottom box 1, and the second transverse shaft 32 is connected with the second sieve plate 3 through a vibration mechanism;
the bottom box 1 is provided with a screen inner box 4 transversely placed at the bottom, two side surfaces of the screen inner box 4 are connected with the bottom box 1 through sliding components, a transverse plate is arranged at the bottom of the left side surface of the bottom box 1, and a driving mechanism is arranged on the top surface of the transverse plate.
In the invention, referring to fig. 4, the reciprocating mechanism comprises arc slide plates 21 and reciprocating gears 23, arc slide holes are transversely formed in the top walls of the front and rear surfaces of the bottom box 1, a pair of arc slide plates 21 are arranged on the front and rear side edges of the first sieve plate 2, and each arc slide plate 21 penetrates through the corresponding arc slide hole in a sliding manner and extends to the outer side of the bottom box 1;
the bottom surface both sides of first sieve 2 are equipped with a pair of arc rack 26, and the left end of first cross axle 22 runs through the base box 1 and extends to the outside of base box 1, and the cover is equipped with a pair of reciprocating gear 23 of concentric rigid coupling on first cross axle 22 in the below of a pair of arc rack 26, and every reciprocating gear 23 all meshes with corresponding arc rack 26 to be connected, through the staggered fit design of each lack gear, drives first sieve 2 and carries out back and forth reciprocating motion in base box 1.
In the invention, referring to fig. 4, the vibration mechanism comprises sliding blocks 31 and eccentric cams 33, the four corners of the second screen plate 3 are respectively provided with a sliding block 31, the positions corresponding to the sliding blocks 31 are respectively provided with a T-shaped sliding groove vertically on the inner wall of the bottom box 1, the inside of each T-shaped sliding groove is clamped with a T-shaped sliding block in sliding connection, the tops of the T-shaped sliding blocks positioned in the T-shaped sliding grooves are respectively provided with a buffer spring, each sliding block 31 is fixedly connected with the corresponding T-shaped sliding block, and under the action of the buffer springs, the T-shaped sliding blocks are driven to slide downwards along the T-shaped sliding grooves to drive the second screen plate 3 to move downwards;
the bottom surface both sides of second sieve 3 are equipped with a pair of arc baffle, and the left end of second cross axle 32 runs through the base box 1 and extends to the outside of base box 1, and the cover is equipped with a pair of eccentric cams 33 of eccentric rigid coupling on second cross axle 32 in the below of a pair of arc baffle, and every eccentric cam 33 all supports tightly with the cooperation of corresponding arc baffle, and when second cross axle 32 rotated, it is synchronous to drive a pair of eccentric cams 33 and do eccentric rotation, because eccentric cams 33 and arc baffle cooperation interact, drives the vertical reciprocating motion of middle part in base box 1 of second sieve 3.
In the invention, referring to fig. 2, the sliding component comprises positioning slide bars 41 and connecting long plates 42, a pair of positioning slide bars 41 are respectively arranged on two sides of the inner screen box 4, a pair of positioning slide holes are respectively formed in the bottoms of two sides of the bottom box 1 at the corresponding positions of the positioning slide bars 41, each positioning slide bar 41 slides to penetrate through the corresponding positioning slide hole and extends to the outer side of the bottom box 1, connecting long plates 42 are respectively arranged at the outer end parts of each pair of positioning slide bars 41 at the bottoms of two sides of the bottom box 1, each connecting long plate 42 is fixedly connected with the outer end parts of the corresponding pair of positioning slide bars 41, tension springs are respectively sleeved on the left section of each positioning slide bar 41, the combined action of the tension springs drives the positioning slide bars 41 to slide leftwards along the positioning slide holes, drives the inner screen box 4 to move leftwards, and when the eccentric convex disc 15 and the connecting long plates 42 are matched and interact to drive the inner screen box 4 to reciprocate transversely in the bottom box 1.
In the invention, referring to fig. 2, the driving mechanism comprises a fixed shaft 13 and a servo motor 11, a fixed bearing is arranged on the outer side of the top surface of a transverse plate, a fixed shaft 13 which vertically penetrates through the fixed bearing is inserted into the fixed bearing, a second bevel gear 14 is sleeved at the bottom of the fixed shaft 13, the servo motor 11 is arranged on the inner side of the top surface of the transverse plate, a first bevel gear 12 which is concentrically fixedly connected is sleeved at the end part of a motor shaft of the servo motor 11, the first bevel gear 12 is in meshed connection with the second bevel gear 14, and the motor shaft of the servo motor 11 drives the first bevel gear 12 to synchronously rotate, and the second bevel gear 14 and the fixed shaft 13 are driven to reversely rotate along the fixed bearing; the middle part cover of fixed axle 13 is equipped with eccentric cam 15 of eccentric rigid coupling, and eccentric cam 15 cooperation is supported tightly on the lateral surface of corresponding connection longeron 42, and the top cover of fixed axle 13 is equipped with concentric rigid coupling's third bevel gear 16, and fixed axle 13 drives eccentric cam 15, third bevel gear 16 and carries out the reverse rotation, and the left end cover that is located the left surface of base box 1 at second cross axle 32 is equipped with concentric rigid coupling's fourth bevel gear 34, and third bevel gear 16 and fourth bevel gear 34 meshing are connected, and when third bevel gear 16 reverse rotation, meshing drives fourth bevel gear 34 and second cross axle 32 synchronous forward rotation.
In the invention, referring to fig. 1 and 2, tea leaves to be screened are placed on a first sieve plate 2, a plurality of uniformly distributed first sieve holes are formed in the top surface of the first sieve plate 2, large-particle tea leaves remain on the first sieve plate 2, other tea leaves fall onto a second sieve plate 3 through the first sieve holes, a plurality of uniformly distributed second sieve holes are formed in the top surface of the second sieve plate 3, medium-particle tea leaves remain on the second sieve plate 3, other tea leaves fall onto a screen inner box 4 through the second sieve holes, a plurality of uniformly distributed third sieve holes are formed in the inner bottom surface of the screen inner box 4, small-particle tea leaves remain on the screen inner box 4, tea powder falls onto the inner bottom of a bottom box 1, the aperture of the first sieve holes is larger than that of the second sieve holes, the aperture of the second sieve holes is larger than that of the third sieve holes, a box door opening is formed in the front surface of the bottom box 1, a pair of movably hinged box doors 17 are mounted in the opened inside of the box door opening, and tea leaves with different layers can be taken out respectively.
Embodiment two: referring to fig. 5, in the first embodiment, there is also a problem that the first screen plate vibrates reciprocally, and therefore, the present embodiment further includes, on the basis of the first embodiment:
in the invention, a first gear lack 25 and a second gear lack 24 which are concentrically fixedly connected are respectively sleeved on the left end part of a first transverse shaft 22 on the left side surface of a bottom box 1, a first bearing is arranged on the left side surface of the bottom box 1 above the left end part of the first transverse shaft 22, a first linkage shaft 53 is inserted in the first bearing, a second gear 55 which is concentrically fixedly connected is sleeved on the outer end part of the first linkage shaft 53, a third gear lack 54 which is concentrically fixedly connected is sleeved on the first linkage shaft 53 above the first gear lack 25, and the third gear lack 54 is in meshed connection with the first gear lack 25.
In the invention, a second bearing is arranged on the left side surface of a bottom box 1 below the left end part of a first transverse shaft 22, a second coupling shaft 5 is inserted in the second bearing, a first gear 52 concentrically fixedly connected with the outer end part of the second coupling shaft 5 is sleeved, the first gear 52 is meshed with a second gear 55, the first gear 52 drives the second gear 55 and the first coupling shaft 53 to reversely rotate along the first bearing, a third gear lack 54 is driven to reversely rotate, a fourth gear lack 51 is sleeved on the second coupling shaft 5 below a second gear lack 24, and the fourth gear lack 51 is meshed with the second gear lack 24.
In the invention, a second sprocket wheel 37 is sleeved on a second linkage shaft 5 between a first gear 52 and a fourth gear lack 51, a first sprocket wheel 35 is sleeved on the left end part of a second transverse shaft 32 below the second sprocket wheel 37, the first sprocket wheel 35 is in meshed transmission connection with the second sprocket wheel 37 through a driving chain belt 36, when the second transverse shaft 32 rotates, the first sprocket wheel 35 is driven to synchronously rotate, the second sprocket wheel 37 and the second linkage shaft 5 are driven to synchronously rotate along the second bearing through the driving chain belt 36, and then the first gear 52 and the fourth gear lack 51 are driven to synchronously rotate.
Specifically, when the fourth gear lack 51 is meshed with the second gear lack 24, the third gear lack 54 is not meshed with the first gear lack 52, and the meshing drives the second gear lack 24 and the first transverse shaft 22 to rotate reversely, so as to drive the pair of reciprocating gears 23 to rotate reversely, and further, the meshing drives the arc rack and the first screen plate 2 to move forwards, and as the movement track of the first screen plate 2 is arc, the arc slide plate 21 is driven to slide forwards along the arc slide hole; when the fourth gear segment 51 is not meshed with the second gear segment 24, the third gear segment 54 is meshed with the first gear segment 52, and the meshing drives the first gear segment 52 and the first transverse shaft 22 to rotate forward, and further drives the pair of reciprocating gears 23 to rotate forward, and further drives the arc rack and the first screen plate 2 to move backward, and drives the arc slide plate 21 to slide backward along the arc slide hole.
Embodiment III: in this embodiment, the present invention also provides a screening method of a screening machine for tea classification, including the following steps:
step one, a servo motor 11 is electrically connected with an external power supply, the servo motor 11 is controlled to start, a motor shaft of the servo motor 11 drives a first bevel gear 12 to synchronously rotate, a second bevel gear 14 and a fixed shaft 13 are meshed to drive the second bevel gear 14 and the fixed shaft 13 to reversely rotate along a fixed bearing, and the fixed shaft 13 drives an eccentric convex disc 15 and a third bevel gear 16 to reversely rotate;
step two, because the eccentric convex disc 15 is eccentrically sleeved on the fixed shaft 13, when the eccentric convex disc 15 reversely rotates, the eccentric convex disc 15 eccentrically rotates, and under the combined action of the tension springs, the positioning slide rod 41 is driven to slide leftwards along the positioning slide hole to drive the screen inner box 4 to move leftwards, and when the eccentric convex disc 15 cooperates and interacts with the connecting long plate 42, the screen inner box 4 is driven to transversely reciprocate at the bottom in the bottom box 1;
step three, when the third bevel gear 16 rotates reversely, the engagement drives the fourth bevel gear 34 and the second transverse shaft 32 to synchronously rotate positively, and then drives a pair of eccentric cams 33 to synchronously rotate eccentrically, under the action of a buffer spring, the T-shaped sliding block is driven to slide downwards along the T-shaped sliding chute, the second sieve plate 3 is driven to move downwards, and the eccentric cams 33 and the arc-shaped baffle are matched and interacted to drive the second sieve plate 3 to vertically reciprocate in the middle part in the bottom box 1;
step four, when the second transverse shaft 32 rotates, the first sprocket 35 is driven to synchronously rotate, the second sprocket 37 and the second coupling shaft 5 are driven to synchronously rotate along the second bearing by the driving chain belt 36, the first gear 52 and the fourth gear lack 51 are driven to synchronously rotate, the first gear 52 is meshed to drive the second gear 55 and the first coupling shaft 53 to reversely rotate along the first bearing, and the third gear lack 54 is driven to reversely rotate;
when the fourth gear lack 51 is meshed with the second gear lack 24, the third gear lack 54 is not meshed with the first gear lack 52, the meshing drives the second gear lack 24 and the first transverse shaft 22 to rotate reversely, and then drives the pair of reciprocating gears 23 to rotate reversely, and further the meshing drives the arc rack and the first screen plate 2 to move forwards, and as the movement track of the first screen plate 2 is arc-shaped, the arc-shaped slide plate 21 is driven to slide forwards along the arc-shaped slide hole;
when the fourth gear lack 51 and the second gear lack 24 are not meshed, the third gear lack 54 is meshed with the first gear lack 52, the meshing drives the first gear lack 52 and the first transverse shaft 22 to rotate forward, and then drives the pair of reciprocating gears 23 to rotate forward, and then the meshing drives the arc rack and the first screen plate 2 to move backwards, drives the arc slide plate 21 to slide backwards along the arc slide hole, and drives the first screen plate 2 to reciprocate back and forth in the bottom box 1 through the staggered matching design of the gear lack;
step five, the screen inner box 4, the second screen plate 3 and the first screen plate 2 all reciprocate in the bottom box 1, tea leaves needing to be screened are placed on the first screen plate 2, large-particle tea leaves remain on the first screen plate 2, other tea leaves fall onto the second screen plate 3 through first screen holes, medium-particle tea leaves remain on the second screen plate 3, other tea leaves fall onto the screen inner box 4 through second screen holes, small-particle tea leaves remain on the screen inner box 4, tea powder falls onto the inner bottom of the bottom box 1, and the box door 17 is opened to respectively take out corresponding tea leaves.
According to the invention, through the cooperation of the mechanisms, screening operation is performed through layering design, so that the quality in the tea screening process is effectively ensured, and the efficiency of grading screening of tea is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. A sieve separator for tealeaves is hierarchical, includes base box (1), its characterized in that: the top in the bottom box (1) is provided with a first sieve plate (2), a first transverse shaft (22) is arranged below the first sieve plate (2), two ends of the first transverse shaft (22) are rotationally connected with the inner side wall of the bottom box (1), and the first transverse shaft (22) is connected with the first sieve plate (2) through a reciprocating mechanism;
the middle part in the bottom box (1) is provided with a second sieve plate (3), a second transverse shaft (32) is arranged below the second sieve plate (3), two ends of the second transverse shaft (32) are rotationally connected with the inner side wall of the bottom box (1), and the second transverse shaft (32) is connected with the second sieve plate (3) through a vibrating mechanism;
the novel screen comprises a bottom box (1), and is characterized in that a screen inner box (4) is arranged at the bottom in the bottom box (1), two side surfaces of the screen inner box (4) are connected with the bottom box (1) through sliding components, each sliding component comprises a positioning slide rod (41) and a connecting long plate (42), a pair of positioning slide rods (41) are arranged at two side surfaces of the screen inner box (4), a pair of positioning slide holes are formed in the bottoms of the two side surfaces of the bottom box (1) at positions corresponding to the positioning slide rods (41), each positioning slide rod (41) slides to penetrate through the corresponding positioning slide hole and extend to the outer side of the bottom box (1), connecting long plates (42) are arranged at the outer end parts of the two side surfaces of the bottom box (1), and each connecting long plate (42) is fixedly connected with the outer end parts of the corresponding pair of positioning slide rods (41) and is sleeved with a tension spring on the left section of each positioning slide rod (41);
the bottom of the left side face of the bottom box (1) is provided with a transverse plate, a driving mechanism is arranged on the top face of the transverse plate and comprises a fixed shaft (13) and a servo motor (11), a fixed bearing is arranged on the outer side of the top face of the transverse plate, the fixed shaft (13) is inserted into the fixed bearing, a second bevel gear (14) is sleeved at the bottom of the fixed shaft (13), the servo motor (11) is arranged on the inner side of the top face of the transverse plate, a first bevel gear (12) is sleeved at the end part of a motor shaft of the servo motor (11), and the first bevel gear (12) is connected with the second bevel gear (14) in a meshed mode;
the middle part of the fixed shaft (13) is sleeved with an eccentric convex disc (15), the eccentric convex disc (15) is matched and abutted against the outer side face of a corresponding connecting long plate (42), the top end part of the fixed shaft (13) is sleeved with a third bevel gear (16), the left side face of the bottom box (1) is sleeved with a fourth bevel gear (34) at the left end part of a second transverse shaft (32), and the third bevel gear (16) is in meshed connection with the fourth bevel gear (34);
a first gear-missing (25) and a second gear-missing (24) are respectively sleeved on the left end part of a first transverse shaft (22) on the left side surface of the bottom box (1), a first bearing is arranged on the left side surface of the bottom box (1) above the left end part of the first transverse shaft (22), a first linkage shaft (53) is inserted into the first bearing, a second gear (55) is sleeved on the outer end part of the first linkage shaft (53), a third gear-missing (54) is sleeved on the first linkage shaft (53) above the first gear-missing (25), and the third gear-missing (54) is in meshed connection with the first gear-missing (25);
a second bearing is arranged on the left side surface of the bottom box (1) below the left end part of the first transverse shaft (22), a second linkage shaft (5) is inserted into the second bearing, a first gear (52) is sleeved at the outer end part of the second linkage shaft (5), the first gear (52) is meshed with a second gear (55), a fourth gear (51) is sleeved on the second linkage shaft (5) below the second gear (24), and the fourth gear (51) is meshed with the second gear (24);
a second sprocket (37) is sleeved on the second linkage shaft (5) between the first gear (52) and the fourth gear-lack (51), a first sprocket (35) is sleeved on the left end part of the second transverse shaft (32) below the second sprocket (37), and the first sprocket (35) is in meshed transmission connection with the second sprocket (37) through a driving chain belt (36).
2. A screening machine for tea classification as claimed in claim 1 wherein: the reciprocating mechanism comprises arc-shaped sliding plates (21) and reciprocating gears (23), arc-shaped sliding holes are transversely formed in the top walls of the front face and the rear face of the bottom box (1), a pair of arc-shaped sliding plates (21) are arranged on the front side edge and the rear side edge of the first sieve plate (2), and each arc-shaped sliding plate (21) penetrates through the corresponding arc-shaped sliding hole in a sliding mode and extends to the outer side of the bottom box (1);
the bottom surface both sides of first sieve (2) are equipped with a pair of arc rack (26), the left end portion of first cross axle (22) runs through base case (1) and extends to the outside of base case (1), and the below that is located a pair of arc rack (26) is equipped with a pair of reciprocating gear (23) on first cross axle (22), every reciprocating gear (23) all is connected with corresponding arc rack (26) meshing.
3. A screening machine for tea classification as claimed in claim 1 wherein: the vibrating mechanism comprises sliding blocks (31) and eccentric cams (33), the four corners of the second sieve plate (3) are respectively provided with a sliding block (31), T-shaped sliding grooves are formed in the inner wall of the bottom box (1) at positions corresponding to the sliding blocks (31), T-shaped sliding blocks are clamped in the T-shaped sliding grooves, buffer springs are arranged at the tops of the T-shaped sliding blocks in the T-shaped sliding grooves, and each sliding block (31) is fixedly connected with the corresponding T-shaped sliding block;
the bottom surface both sides of second sieve (3) are equipped with a pair of arc baffle, the left end portion of second cross axle (32) runs through base case (1) and extends to the outside of base case (1), is located the below of a pair of arc baffle and is equipped with a pair of eccentric cams (33) on second cross axle (32) cover, every eccentric cams (33) all support tightly with the cooperation of corresponding arc baffle.
4. A screening machine for tea classification as claimed in claim 1 wherein: a plurality of first sieve holes are formed in the top surface of the first sieve plate (2), a plurality of second sieve holes are formed in the top surface of the second sieve plate (3), a plurality of third sieve holes are formed in the inner bottom surface of the screen inner box (4), a box door opening is formed in the front surface of the bottom box (1), and a pair of box doors (17) are arranged in the box door opening.
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| CN202111527930.9A CN114345685B (en) | 2021-12-14 | 2021-12-14 | Screening machine for tea classification |
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| CN202111527930.9A CN114345685B (en) | 2021-12-14 | 2021-12-14 | Screening machine for tea classification |
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| CN115415167B (en) * | 2022-09-21 | 2023-08-11 | 邵阳市农业科学研究院 | Wind-force dry separation grading and optimizing device for rape seed selection |
| CN115780250B (en) * | 2023-01-31 | 2023-04-14 | 山西梅山湖科技有限公司 | Fine layered vibration screening equipment and screening method thereof |
| CN116748139B (en) * | 2023-08-16 | 2023-10-27 | 山西新源华康化工股份有限公司 | Microbial fermentation bacterial manure separation device and separation method thereof |
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| DK201200333A (en) * | 2012-05-11 | 2013-11-12 | Alvibra As | Industrial sieve for separation of materials |
| CN109317402B (en) * | 2018-09-21 | 2020-12-15 | 岳西县徽宏茶业开发有限公司 | A multistage coarse and fine sieving mechanism for black tea processing |
| CN209715686U (en) * | 2019-04-03 | 2019-12-03 | 江西阳岭云华茶业有限公司 | A kind of tea dry sorting sorting mechanism |
| CN210816224U (en) * | 2019-08-16 | 2020-06-23 | 乳源瑶族自治县天瑶农业发展有限公司 | Tea leaf grading and sorting device |
| CN213315554U (en) * | 2020-08-12 | 2021-06-01 | 中深土环保科技有限公司 | Wheel bucket type sand washing machine |
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Effective date of registration: 20230411 Address after: Wengchao Group, Guoshui Village, Jianzhong Town, Weng'an County, Qiannan Buyi and Miao Autonomous Prefecture, Guizhou Province, 558000 Applicant after: Guizhou huanghongying Tea Industry Co.,Ltd. Address before: 230088 business 122, building b2-b5, Hushan Xiaozhu, phase IV, xiangyuancheng, high tech Zone, Hefei, Anhui Applicant before: HEFEI MINGMANTIANXIA TEA Co.,Ltd. |
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