CN115870108A - Screening installation for tea processing - Google Patents
Screening installation for tea processing Download PDFInfo
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- CN115870108A CN115870108A CN202211605464.6A CN202211605464A CN115870108A CN 115870108 A CN115870108 A CN 115870108A CN 202211605464 A CN202211605464 A CN 202211605464A CN 115870108 A CN115870108 A CN 115870108A
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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
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
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Abstract
The invention discloses screening equipment for tea processing, and relates to the technical field of tea processing. The two expansion air bags are arranged in the fixed pipe in a row and are respectively connected with different extrusion air bags through the air conveying pipes, so that the cam can drive the two rolling plates to move back and forth when the extrusion air bags are intermittently extruded, the rolling seats on the inner sides of the rolling plates can roll tea leaves in the rotating process of the sealed box assembly, the separation of tea leaves and tea leaves can be promoted through the rolling of the rolling seats, and in addition, the rolling seats are made of hard sponge plates, so that the rolling seats can effectively separate the tea leaves and can absorb moisture permeated by the tea leaves at low temperature.
Description
Technical Field
The invention relates to the technical field of tea processing, in particular to screening equipment for tea processing.
Background
Tea, commonly known as tea, generally comprises leaves and buds of tea trees, tea components comprise catechin, cholestenone, caffeine, inositol, folic acid and pantothenic acid, and the tea is beneficial to health, tea drinks prepared from the tea are one of three major drinks in the world, the tea needs to be screened in the tea processing process to remove internal miscellaneous leaves, the tip part of new tea and the distribution of the tea can be screened according to the quality of the tea, and the tea can be fried and dried after the tea is screened to complete the tea processing.
Present tealeaves sieving mechanism can only carry out the screening of the debris in the simple tealeaves and miscellaneous leaf of carrying on usually, when the screening of carrying out new tea tip part and tealeaves, still need use artifical screening usually, because of tealeaves output is great, and new tea tip part is comparatively tiny, and this screening degree of difficulty that leads to new tea tip part is higher.
In view of the above, a screening apparatus for tea processing has been proposed by improving the conventional structure and drawbacks.
Disclosure of Invention
The invention aims to provide screening equipment for tea processing, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a screening installation for tea processing, includes outer box, screening case and seal box subassembly, the outer end of outer box is provided with the cabinet door, and the top outside of outer box is provided with the motor, the output of motor is connected with first pivot, and first pivot bottom is connected with the refrigeration case, the screening case is settled in the bottom of refrigeration case, and the outside middle-end of screening case is connected with and stacks the filter screen, the seal box subassembly is settled in the inboard middle-end of screening case, and the right-hand member of seal box subassembly is connected with the pan feeding pipe, the bottom outside of screening case is provided with the second pivot, and the bottom of second pivot is connected with the cam, the bottom outside of outer box is provided with rubs the subassembly, the bottom outside of screening case is provided with cyclic annular filter screen, and the bottom outside of screening case is provided with and accepts the set net, the bottom inboard of outer box is provided with induced-draft fan, and the outside both sides of outer box are provided with, and the outer end of air-blower is connected with the blowing pipe, the outside surface of outer box is connected with the through-flow valve.
Further, the seal box assembly comprises an outer box, a first discharge port, a deviation box, a second discharge port, a reset spring and an electromagnet, the first discharge port is formed in the outer surface of the outer box, the deviation box is arranged on the inner surface of the outer box, the second discharge port is formed in the outer surface of the deviation box, the reset spring is arranged on the inner side of the top of the outer box, and the electromagnet is arranged on the inner side of the bottom of the outer box.
Furthermore, the outer layer box is connected with the deviation box in a sleeved mode, the deviation box is elastically connected with the reset spring, and the deviation box is connected with the electromagnet in an electromagnetic adsorption mode.
Furthermore, the refrigeration case is fixedly connected with the screening case, and the cold end of the refrigeration case is communicated with the interior of the deviation case through the screening case and the outer case.
Further, refrigeration case and screening case fixed connection, and the motor drives refrigeration case and screening case rotation through first pivot.
Furthermore, screening case and second pivot fixed connection, and the second pivot drives the cam rotation.
Further, the rolling assembly comprises a fixed ring seat, an extrusion air bag, an air pipe, a fixed pipe, an expansion air bag, a rolling plate and a rolling seat, wherein the extrusion air bag is arranged on two sides of the inside of the fixed ring seat, the air pipe is connected to the outer side of the top of the extrusion air bag, the fixed pipe is connected to the top end of the fixed ring seat, the rolling plate is arranged inside the fixed pipe, and the rolling seat is connected to the surface of the inner side of the rolling plate.
Furthermore, the vertical central line of the cam is overlapped with the vertical central line of the fixed ring seat, and two extrusion air bags are symmetrically distributed along the vertical central line of the fixed ring seat.
Furthermore, the extrusion air bag is communicated with the expansion air bag through an air conveying pipe, and the expansion air bag is fixedly connected with the rolling plate.
Furthermore, the induced-draft fan is annularly distributed at the bottom end of the outer box body, and the induced-draft fan and the annular filter screen are positioned on the same vertical straight line.
The invention provides a screening device for tea processing, which has the following beneficial effects:
1. the refrigeration box works, the cold end of the refrigeration box can extend into the deflection box, the refrigeration box can input cold air into the deflection box to cool tea leaves to minus 10 ℃, meanwhile, the first rotating shaft can drive the refrigeration box and the screening box to rotate through the work of the motor, the sealing box component can be driven to rotate together in the rotation process of the screening box, the fixing ring seat in the sealing box component is not rotated in the rotation process due to the fact that the fixing pipe is connected with the fixing ring seat, the kneading plate at the outer end of the fixing ring seat can serve as a stirring paddle to stir the tea leaves, the cooling of the tea leaves can be homogenized, in addition, after the tea leaves are cooled to minus 10 ℃, tea leaf stalks can be separated from tea leaf bodies due to low temperature, meanwhile, excessive water in the tea leaves can be floated out of the tea leaves through the cooling of the tea leaves, the moisture in the tea leaves can be removed in the screening step, the time required by the follow-up drying step can be greatly reduced, in addition, the moisture in the tea leaves can be removed, the green pigment in the tea leaves can be preserved, and the finished product can be effectively improved in color and quality.
2. The screening box can drive the second rotating shaft and the cam to rotate in the rotating process, the cam can intermittently extrude the two extrusion air bags in the fixed ring seat in the rotating process, internal gas can be input into the expansion air bags after the extrusion air bags are subjected to extrusion force, the expansion air bags can expand, the expansion air bags can push the rolling plates out after expanding, the extrusion air bags can recover after the cam is moved away from the extrusion air bags, the extrusion air bags can suck the extruded gas back at the moment, the expansion air bags can drive the rolling plates to retract, the two expansion air bags are arranged in the fixed pipe in a row, the two expansion air bags are respectively connected with different extrusion air bags through air pipes, the cam can drive the two rolling plates to move back and forth when the extrusion air bags are intermittently extruded, the rolling seat on the inner side of the rolling plate can roll tea leaves in the rotating process of the sealing box assembly, and rolling of the rolling seat can promote separation of tea leaves from tea leaf stalks and tea leaves, and the rolling seat is made of the rolling plate, so that the tea leaves can effectively absorb moisture in a low-temperature permeation state when the tea leaves are rolled.
3. The electromagnet of the invention is electrified to generate magnetic force which can pull the deviation box to pull the return spring to displace, when the deviation box is in an initial state, the first discharge hole and the second discharge hole are in a staggered state, the sealing box component is in a sealing state, after the deviation box is displaced, the first discharge hole and the second discharge hole can be staggered slightly, the motor drives the first rotating shaft to rotate at high speed, tea leaves in the deviation box are drawn close to the frame of the deviation box due to centrifugal force, after the first discharge hole and the second discharge hole are staggered slightly, a gap is generated to allow only new tea tips with smaller length to pass through, so that the new tea tips can enter the screening box through the centrifugal force, the high-speed airflow enters the deviation box through the first discharge port and the second discharge port which are overlapped with the filter screen, the screening effect of tea leaves can be prevented from being influenced by the adhesion of a large number of tea leaves on the surface of the deviation box due to centrifugal force, meanwhile, the tea leaves in the deviation box can be turned over through the high-speed airflow blowing matched with the centrifugal rotation, the phenomenon that the screening effect is influenced by poor tea leaf flowability can be avoided, in addition, the moisture adsorbed on the rolling seat can be quickly evaporated through the high-speed airflow blowing, and the continuous work of a subsequent rolling seat can be ensured.
4. According to the tea leaf tip temporary storage device, after the tea leaf tips enter the screening box, the screening box stops rotating at the moment, so that the tea leaf tips can be accumulated at the bottom end of the screening box due to gravity, the diameter of a net opening of the annular filter screen is larger than that of the tea leaf tips, the exhaust fan works at the moment, the tea leaf tips can penetrate through the annular filter screen through the suction force and enter the receiving disc screen for temporary storage, the exhaust fan can continuously suck tea leaves during the temporary storage of the tea leaf tips in the receiving disc screen, the exhaust fan can assist in air drying of the tea leaf tips in the receiving disc screen, the requirement for controlling the drying duration of the tea leaf tips is high due to the delicate tea leaf tips, and the auxiliary air drying can greatly reduce the follow-up drying time of the tea leaves so as to reduce the difficulty in controlling the drying duration of the tea leaf tips.
5. After the tea leaf apex screening is finished, the magnetic force of the electromagnet is increased, so that the first discharge port and the second discharge port can be completely staggered, the tea leaf apex screening box can screen out tea leaves from the interior of the deviation box through centrifugal force when rotating, the structure of the stacking filter screen is consistent with the structure of the outer box and the deviation box, the stacking filter screen is in a stacking state in the tea leaf apex screening process, the mesh diameter of the stacking filter screen is smaller, the tea leaf apex can be prevented from being thrown out of the screening box along with the centrifugal force, the mesh diameter of the stacking filter screen can be increased in the tea leaf apex screening process, a tea stem smaller than the tea leaf apex can penetrate through the stacking filter screen along with the centrifugal force to enter the interior of the outer box, meanwhile, impurities with larger volume can not penetrate through the first discharge port and the second discharge port to be screened in the interior of the deviation box, and the tea leaf apex, the tea stem, the leaves and the impurities can be finely classified by the equipment through the operation.
Drawings
FIG. 1 is a schematic front view of the whole structure of a screening apparatus for tea processing according to the present invention;
FIG. 2 is a schematic structural diagram of a three-dimensional structure of an outer box of the screening device for tea processing according to the present invention;
FIG. 3 is a schematic view of a rolling assembly of the screening apparatus for tea processing according to the present invention;
FIG. 4 is a schematic view of the internal structure of a stationary ring seat of the screening apparatus for tea processing according to the present invention;
FIG. 5 is a schematic view of a rolling plate structure of the screening apparatus for tea processing according to the present invention;
FIG. 6 is a schematic structural view of a seal box assembly of the screening apparatus for tea processing according to the present invention;
FIG. 7 is a schematic structural view of an induced draft fan of the screening apparatus for tea processing according to the present invention;
fig. 8 is a schematic view of a ring-shaped filter screen of the screening device for tea processing according to the present invention.
In the figure: 1. an outer case; 2. a cabinet door; 3. a motor; 4. a first rotating shaft; 5. a refrigeration case; 6. a screening box; 7. stacking the filter screens; 8. a seal box assembly; 801. an outer box; 802. a first discharge port; 803. an offset box; 804. a second discharge port; 805. a return spring; 806. an electromagnet; 9. a feeding pipe; 10. a second rotating shaft; 11. a cam; 12. a twisting assembly; 1201. a stationary ring seat; 1202. extruding the air bag; 1203. a gas delivery pipe; 1204. a fixed tube; 1205. inflating the balloon; 1206. twisting the plate; 1207. a rolling seat; 13. an annular filter screen; 14. receiving a disc web; 15. an air draft fan; 16. a blower; 17. a blowpipe; 18. and a venting valve.
Detailed Description
Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a screening installation for tea processing, including outer box 1, screening case 6 and seal box subassembly 8, the outer end of outer box 1 is provided with cabinet door 2, and the top outside of outer box 1 is provided with motor 3, motor 3's output is connected with first pivot 4, and first pivot 4 bottom is connected with refrigeration case 5, screening case 6 settles in refrigeration case 5's bottom, and the outside middle-end of screening case 6 is connected with stacks filter screen 7, seal box subassembly 8 settles in the inboard middle-end of screening case 6, and seal box subassembly 8's right-hand member is connected with pan feeding 9, the bottom outside of screening case 6 is provided with second pivot 10, and the bottom of second pivot 10 is connected with cam 11, the bottom outside of outer box 1 is provided with twists subassembly 12, the bottom outside of screening case 6 is provided with cyclic annular filter screen 13, and the bottom outside of screening case 6 is provided with and accepts dish net 14, the bottom inboard of outer box 1 is provided with outer container fan 15, and the outside both sides of outer box 1 are provided with air-blower 16, and the outer box 16's outer end is connected with blowing pipe 17, the outside surface of outer box 1 is connected with logical flow valve 18.
Referring to fig. 1 to 8, the sealed box assembly 8 includes an outer box 801, a first discharging hole 802, a deviation box 803, a second discharging hole 804, a return spring 805 and an electromagnet 806, the outer surface of the outer box 801 is provided with the first discharging hole 802, the inner surface of the outer box 801 is provided with the deviation box 803, the outer surface of the deviation box 803 is provided with the second discharging hole 804, the inner side of the top of the outer box 801 is provided with the return spring 805, the inner side of the bottom of the outer box 801 is provided with the electromagnet 806, the outer box 801 is connected with the deviation box 803 in a sleeved manner, the deviation box 803 is elastically connected with the return spring 805, the deviation box 803 is electromagnetically adsorbed and connected with the electromagnet 806, the refrigeration box 5 is fixedly connected with the screening box 6, the cold end of the refrigeration box 5 is communicated with the inside of the deviation box 803 through the screening box 6 and the outer box 801, the refrigeration box 5 is fixedly connected with the screening box 6, and the motor 3 drives the refrigeration box 5 and the screening box 6 to rotate through the first rotating shaft 4, the screening box 6 is fixedly connected with a second rotating shaft 10, the second rotating shaft 10 drives the cam 11 to rotate, the rolling assembly 12 comprises a fixed ring seat 1201, an extrusion air bag 1202, air conveying pipes 1203, a fixed pipe 1204, an expansion air bag 1205, a rolling plate 1206 and a rolling seat 1207, the extrusion air bag 1202 is arranged on two sides inside the fixed ring seat 1201, the air conveying pipes 1203 are connected with the outer side of the top of the extrusion air bag 1202, the fixed pipe 1204 is connected with the top end of the fixed ring seat 1201, the rolling plate 1206 is arranged inside the fixed pipe 1204, the rolling seat 1207 is connected with the inner side surface of the rolling plate 1206, the vertical center line of the cam 11 and the vertical center line of the fixed ring seat 1201 are mutually overlapped, two extrusion air bags 1202 are symmetrically distributed along the vertical center line of the fixed ring seat 1201, the extrusion air bags 1202 are communicated with the expansion air bag 1205 through the air conveying pipes 1203, and the expansion air bag 1205 is fixedly connected with the rolling plate 1206, the induced draft fan 15 is annularly distributed at the bottom end of the outer box body 1, and the induced draft fan 15 and the annular filter screen 13 are positioned on the same vertical straight line.
The specific operation is as follows: after a worker opens the cabinet door 2, fresh tea leaves to be screened are poured into the feeding pipe 9, the feeding pipe 9 can penetrate through the tea leaves and can penetrate through the outer box 801 and the deviation box 803, so that the tea leaves can enter the deviation box 803 through the feeding pipe 9, after the tea leaves are poured, the worker closes the cabinet door 2, the refrigerating box 5 works, the cold end of the refrigerating box 5 can extend into the deviation box 803, so that the refrigerating box 5 can input cold air into the deviation box 803 to cool the tea leaves to-10 ℃, meanwhile, the motor 3 works, the first rotating shaft 4 can drive the refrigerating box 5 and the screening box 6 to rotate, in the rotating process of the screening box 6, the sealing box component 8 can be driven to rotate together, the fixed pipe 1204 is connected with the fixed ring base 1201, the fixed ring base 1201 in the rotating process, the fixed ring base 1201 in the fixed ring base can not rotate, the stirring paddle at the outer end of the fixed ring base 1201 can serve as a stirring paddle for stirring and stirring the tea leaves, in addition, the tea leaves can be dried and moisture in the second rotating process of drying tea leaves can be removed through the intermittent low-temperature-reducing and drying process, the finished product, the moisture-drying cam 11, and the tea leaves can be removed through the second rotating cam in the second rotating process of the freezing and drying process, after the extrusion air bag 1202 receives extrusion force, internal gas can be input into the expansion air bag 1205 to enable the expansion air bag 1205 to expand, the expansion air bag 1205 can push out the rolling plate 1206 after expansion, the extrusion air bag 1202 can recover after the cam 11 moves away from the extrusion air bag 1202, the extrusion air bag 1202 can suck back the extruded gas at the moment, the expansion air bag 1205 can drive the rolling plate 1206 to retract, two expansion air bags 1205 are arranged in a row in the fixed pipe 1204, the two expansion air bags 1205 are respectively connected with different extrusion air bags 1202 through air pipes 1203, the cam 11 can drive the two rolling plates 1206 to move back and forth when the air bag 1202 is intermittently extruded, and the rolling seats 1207 on the inner side of the rolling plate 1206 can roll tea leaves in the rotating process of the sealing box assembly 8, and through the rolling of the rolling seats 1207, the separation of tea leaves and stems from tea leaves can be promoted, in addition, the rolling seat 1207 is made of a hard sponge plate, so that the rolling seat 1207 can effectively separate the tea leaves and the stems, and can also effectively absorb moisture permeated by the tea leaves in a low-temperature state, after the tea leaves and the stems are separated, the electromagnet 806 is electrified to generate magnetic force, the magnetic force can pull the deviation box 803 to pull the reset spring 805 to displace, when the deviation box 803 is in an initial state, the first discharge port 802 and the second discharge port 804 are in a staggered state, the sealing box assembly 8 is in a sealed state, after the deviation box 803 displaces, the first discharge port 802 and the second discharge port 804 can slightly stagger, at the moment, the motor 3 drives the first rotating shaft 4 to rotate at a high speed, the tea leaves in the deviation box 803 are slightly drawn close to the frame of the deviation box 803 due to centrifugal force, after the first discharge port 802 and the second discharge port 804 are staggered, the generated gap only allows the new tea tip with smaller length to pass through, so that the new tea tip can enter the screening box 6 through the centrifugal force and is separated from the big tea leaves in the deviation box 803, the blower 16 works in the process of carrying out centrifugal separation on the tea leaves, the blowing pipe 17 can blow high-speed airflow to the screening box 6, the high-speed airflow can enter the deviation box 803 through the overlapped filter screen 7 and the overlapped first discharge hole 802 and second discharge hole 804, the screening effect of the tea leaves can be prevented from being influenced by the adhesion of a large number of tea leaves on the surface of the deviation box 803 due to the centrifugal force, meanwhile, the tea leaves in the deviation box 803 can be overturned through the cooperation of high-speed airflow blowing and centrifugal rotation, the condition that the screening effect is influenced by the poor flowability of the tea leaves can be avoided, in addition, the moisture adsorbed on the rolling seat 1207 can be quickly evaporated through the high-speed airflow blowing, so as to ensure that the subsequent rolling seat 1207 can continuously work, after the tea leaf tips enter the screening box 6, the screening box 6 stops rotating at the moment, so that the tea leaf tips can be accumulated at the bottom end of the screening box 6 due to gravity, the diameter of the net opening of the annular filter screen 13 is larger than that of the tea leaf tips, the exhaust fan 15 works at the moment, the tea leaf tips can pass through the annular filter screen 13 by suction force to enter the receiving disc screen 14 for temporary storage, the tea leaf tips can be continuously sucked in the process of temporary storage in the receiving disc screen 14, so that the exhaust fan 15 can perform auxiliary air drying on the tea leaf tips in the receiving disc screen 14, the requirement of the delicate tea leaf tips on the drying duration is higher, the subsequent drying time of the tea leaves can be greatly reduced by the auxiliary air drying, the difficulty of the tea leaf tip drying duration can be reduced, after the tea leaf tips are screened, the electromagnet 806 increases magnetic force, so that the first discharge port 802 and the second discharge port 804 can be completely staggered, when the screening box 6 rotates, tea leaves can be screened out from the inside of the deviation box 803 through centrifugal force, the structure of the stacked filter screens 7 is consistent with the structures of the outer box 801 and the deviation box 803, when the tea leaf tips are screened, the stacked filter screens 7 are in a stacked state, the mesh diameter of the stacked filter screens 7 is smaller, the tea leaf tips can be prevented from being thrown out of the screening box 6 along with the centrifugal force, and the mesh diameter of the stacked filter screens 7 can be increased in the tea leaf screening process, so that tea stalks smaller than the tea leaves can penetrate through the stacked filter screens 7 to enter the inside of the outer box 1 along with the centrifugal force, meanwhile, the mixed leaves with larger volumes can not penetrate through the first discharge port 802 and the second discharge port 804 to be screened in the deviation box 803, and through the above operations, the equipment can classify the tea leaves tips, the tea stalks, the tea leaves, the leaves and the mixed leaves.
To sum up, when the screening device for tea processing is used, firstly, after a worker opens the cabinet door 2, fresh tea leaves to be screened are poured into the feeding pipe 9, the feeding pipe 9 can penetrate through the tea leaves and can penetrate through the outer layer box 801 and the deviation box 803, so that the tea leaves can enter the deviation box 803 through the feeding pipe 9, after the tea leaves are poured, the worker closes the cabinet door 2, the refrigerating box 5 works, the cold end of the refrigerating box 5 can extend into the deviation box 803, so that the refrigerating box 5 can input cold air into the deviation box 803 to cool the tea leaves to-10 ℃, meanwhile, the first rotating shaft 4 can drive the refrigerating box 5 and the screening box 6 to rotate through the work of the motor 3, and in the rotating process of the screening box 6, the sealing box assembly 8 can be driven to rotate together, the fixing tube 1204 is connected with the fixing ring seat 1201, so that the fixing ring seat 1201 in the sealing box assembly 8 does not rotate in the rotating process, the rolling plate 1206 at the outer end of the fixing ring seat 1201 can serve as a stirring paddle to turn and stir tea, the cooling of the tea can be homogenized, after the tea is cooled to-10 ℃, tea leaves and tea leaves can be separated from tea leaves due to low temperature, meanwhile, excessive water in the tea can form small ice crystals to float out of the tea through cooling the tea, and the water in the tea is removed in the screening step, so that the time required by the subsequent tea drying step can be greatly reduced;
then, the screening box 6 can drive the second rotating shaft 10 and the cam 11 to rotate in the rotating process, the cam 11 can intermittently extrude the two extrusion air bags 1202 in the fixed ring seat 1201, after the extrusion air bags 1202 receive extrusion force, internal gas can be input into the expansion air bags 1205 to expand the expansion air bags 1205, after the expansion air bags 1205 expand, the rolling plates 1206 can be pushed out, after the cam 11 is moved away from the extrusion air bags 1202, the extrusion air bags 1202 can recover, at the moment, the extrusion air bags 1202 can suck the extruded gas back, the expansion air bags 1205 can drive the rolling plates 1206 to retract, two expansion air bags 1204 are arranged in a row in the fixed pipe, the two expansion air bags 1205 are respectively connected with different extrusion air bags 1202 through air pipes 1203, the cam 11 can drive the two rolling plates 1206 to move back and forth when the extrusion air bags 1202 are intermittently extruded, the rolling seats 1207 inside the rolling plates 1206 can permeate and roll tea leaves in the rotating process of the sealed box assembly 8, the tea leaves are separated from tea stalks, and the tea leaves can be effectively manufactured by the tea leaf rolling seats 1207, and the tea leaves can be effectively separated from the tea stalks and can be manufactured by the tea leaves rolling seats 1207;
then after the tea leaves and the tea stalks are separated, the electromagnet 806 is electrified to generate magnetic force, the magnetic force can draw the deviation box 803 to pull the return spring 805 to move, when the deviation box 803 is in an initial state, the first discharge hole 802 and the second discharge hole 804 are in a staggered state, the seal box assembly 8 is in a sealed state, after the deviation box 803 moves, the first discharge hole 802 and the second discharge hole 804 can be slightly staggered, the motor 3 drives the first rotating shaft 4 to rotate at high speed, the tea leaves in the deviation box 803 approach to the frame of the deviation box 803 due to centrifugal force, after the first discharge hole 802 and the second discharge hole 804 are slightly staggered, a gap is generated to allow only a new tea tip with smaller length to pass through, and the new tea tip can enter the screening box 6 through the centrifugal force, the high-speed airflow can enter the deflection box 803 through the stacked filter screens 7 and the overlapped first discharge port 802 and second discharge port 804, so that the influence of adhesion of a large number of tea leaves on the surface of the deflection box 803 due to centrifugal force on the screening effect of the tea can be avoided, meanwhile, the tea leaves in the deflection box 803 can be turned over through the cooperation of high-speed airflow blowing and centrifugal rotation, the influence of poor flowability of the tea leaves on the screening effect can be avoided, and in addition, moisture adsorbed on the rolling seat 1207 can be quickly evaporated through the high-speed airflow blowing, so that the continuous work of the subsequent rolling seat 1207 can be ensured;
then, after the tea leaf tips enter the screening box 6, the screening box 6 stops rotating at the moment, so that the tea leaf tips can be accumulated at the bottom end of the screening box 6 due to gravity, the diameter of a net opening of the annular filter screen 13 is larger than that of the tea leaf tips, the induced draft fan 15 works at the moment, the tea leaf tips can pass through the annular filter screen 13 through the suction force and enter the receiving disc screen 14 for temporary storage, the induced draft fan 15 can continuously suck in the process of temporary storage of the tea leaf tips in the receiving disc screen 14, the induced draft fan 15 can perform auxiliary air drying on the tea leaf tips in the receiving disc screen 14, the requirement on the drying duration of the tea leaf tips is high due to the delicate tea leaf tips, and through the auxiliary air drying, the follow-up drying time of the tea leaf tips can be greatly reduced, so that the difficulty of holding the tea leaf tip drying duration can be reduced;
finally, after the tea leaf tips are screened, the magnetic force of the electromagnet 806 is increased, so that the first discharge port 802 and the second discharge port 804 can be completely staggered, at this time, when the screening box 6 rotates, tea leaves can be screened out from the interior of the offset box 803 through centrifugal force, the structure of the stacked filter screen 7 is consistent with the structures of the outer box 801 and the offset box 803, in the process of screening the tea leaf tips, the stacked filter screen 7 is in a stacked state, at this time, the mesh diameter of the stacked filter screen 7 is small, the tea leaf tips can be prevented from being thrown out of the screening box 6 along with the centrifugal force, and in the process of screening the tea leaf leaves, the mesh diameter of the stacked filter screen 7 can be increased, so that tea stalks smaller than the tea leaves can penetrate through the stacked filter screen 7 to enter the interior of the outer box 1 along with the centrifugal force, meanwhile, and the mixed leaves larger in volume can be screened in the interior 803 of the offset box because the first discharge port 802 and the second discharge port 804 cannot penetrate through the above operation, so that the equipment can classify the tea leaves, the tea leaves tips, the tea stalks, the tea leaves and the mixed leaves.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The screening device for tea processing is characterized by comprising an outer box body (1), a screening box (6) and a sealing box assembly (8), wherein a cabinet door (2) is arranged at the outer end of the outer box body (1), a motor (3) is arranged on the outer side of the top of the outer box body (1), the output end of the motor (3) is connected with a first rotating shaft (4), the bottom end of the first rotating shaft (4) is connected with a refrigerating box (5), the screening box (6) is arranged at the bottom end of the refrigerating box (5), the middle end of the outer side of the screening box (6) is connected with a stacking filter screen (7), the sealing box assembly (8) is arranged at the middle end of the inner side of the screening box (6), the right end of the sealing box assembly (8) is connected with a feeding pipe (9), the outer side of the bottom of the screening box (6) is provided with a second rotating shaft (10), the bottom of the second rotating shaft (10) is connected with a cam (11), the outer side of the bottom of the screening box (1) is provided with a kneading assembly (12), the outer side of the bottom of the screening box (6) is provided with an annular filter screen (13), the outer side of the outer box (6), the outer side of the bottom of the screening box (1) is provided with an air blower fan (14), and two sides of the outer box (16) are provided with an air blower (16) for receiving net (16), the outer side surface of the outer box body (1) is connected with a vent valve (18).
2. The screening equipment for tea processing as claimed in claim 1, wherein the sealing box assembly (8) comprises an outer box (801), a first discharge port (802), an offset box (803), a second discharge port (804), a return spring (805) and an electromagnet (806), the first discharge port (802) is formed in the outer surface of the outer box (801), the offset box (803) is formed in the inner surface of the outer box (801), the second discharge port (804) is formed in the outer surface of the offset box (803), the return spring (805) is arranged on the inner side of the top of the outer box (801), and the electromagnet (806) is arranged on the inner side of the bottom of the outer box (801).
3. The screening apparatus for tea processing according to claim 2, wherein the outer box (801) is connected with the deviation box (803) in a sleeved manner, the deviation box (803) is elastically connected with the return spring (805), and the deviation box (803) is electromagnetically connected with the electromagnet (806) in an adsorption manner.
4. The screening device for tea processing according to claim 2, wherein the refrigeration box (5) is fixedly connected with the screening box (6), and the cold end of the refrigeration box (5) is communicated with the inside of the deviation box (803) through the screening box (6) and the outer box (801).
5. The screening device for tea processing according to claim 1, wherein the refrigeration box (5) is fixedly connected with the screening box (6), and the motor (3) drives the refrigeration box (5) and the screening box (6) to rotate through the first rotating shaft (4).
6. The screening apparatus for tea processing according to claim 1, wherein the screening box (6) is fixedly connected to the second rotating shaft (10), and the second rotating shaft (10) drives the cam (11) to rotate.
7. The screening apparatus for tea processing according to claim 1, wherein the kneading assembly (12) comprises a fixed ring seat (1201), an extrusion air bag (1202), an air pipe (1203), a fixed pipe (1204), an expansion air bag (1205), a kneading plate (1206) and a kneading seat (1207), the extrusion air bag (1202) is arranged on two sides of the inside of the fixed ring seat (1201), the air pipe (1203) is connected to the outer side of the top of the extrusion air bag (1202), the fixed pipe (1204) is connected to the top end of the fixed ring seat (1201), the kneading plate (1206) is arranged inside the fixed pipe (1204), and the kneading seat (1207) is connected to the inner side surface of the kneading plate (1206).
8. The screening apparatus for tea processing according to claim 7, wherein the vertical center line of the cam (11) and the vertical center line of the stationary ring seat (1201) coincide with each other, and two squeezing air bags (1202) are symmetrically distributed along the vertical center line of the stationary ring seat (1201).
9. The screening apparatus for tea processing according to claim 8, wherein the squeezing air bag (1202) is communicated with the expanding air bag (1205) through an air pipe (1203), and the expanding air bag (1205) is fixedly connected with the kneading plate (1206).
10. The screening device for tea processing as claimed in claim 1, wherein the exhaust fans (15) are annularly distributed at the bottom end of the outer box body (1), and the exhaust fans (15) and the annular filter screens (13) are positioned on the same vertical line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211605464.6A CN115870108B (en) | 2022-12-14 | 2022-12-14 | Screening installation is used in tealeaves processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211605464.6A CN115870108B (en) | 2022-12-14 | 2022-12-14 | Screening installation is used in tealeaves processing |
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| CN115870108B CN115870108B (en) | 2023-10-13 |
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| CN115870108B (en) | 2023-10-13 |
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Effective date of registration: 20230915 Address after: 643000 Group 2, Tazi Village, Laimou Town, Rong County, Zigong City, Sichuan Province Applicant after: Sichuan yeziyuan Tea Industry Co.,Ltd. Address before: 311115 No.40 wanjishan, yaojiachi, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Jinglin Tea Co.,Ltd. |
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