CN211241548U

CN211241548U - Tea screening and drying integrated machine

Info

Publication number: CN211241548U
Application number: CN201922115325.5U
Authority: CN
Inventors: 瞿亮; 鲁海红
Original assignee: Sichuan Bashanqueshe Tea Co ltd
Current assignee: Sichuan Bashanqueshe Tea Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-14
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to a tea processing equipment field, aim at provides a tealeaves screening drying machine that heat utilization rate is high, drying efficiency is high. The technical scheme is as follows: a tea screening and drying integrated machine comprises a machine case, wherein a feeding hopper is arranged at the top of the machine case; the drying mechanism is arranged on the upper side inside the case, the screening mechanism is arranged below the drying mechanism, and the drying mechanism comprises a drying box fixed in the case and a heat supply assembly for supplying hot air to the drying box; the drying box is arranged on the top wall under the hopper and is provided with a feeding hole, the bottom of the drying box is open and is hinged with a bottom plate, and one side of a hinged shaft of the bottom plate, which is far away from the drying box and the bottom plate, is provided with a lifting mechanism for controlling the bottom plate to rotate around the hinged shaft.

Description

Tea screening and drying integrated machine

Technical Field

The utility model relates to a tea processing equipment field, concretely relates to tealeaves screening drying machine.

Background

In the production and manufacturing process of tea leaves, collected new leaves or tender leaves need to be processed through a series of continuous processes of withering, fermentation, fixation, rolling, drying, refining, packaging and the like, and products with excellent quality are manufactured to meet the high-quality requirements of people on the tea leaves. The drying and refining of tea leaves are the two most important steps in the tea leaf production process, and the drying and the screening are usually carried out by adopting a dryer drying mode and a screening machine respectively. In the existing production process, drying and refining are usually two separate steps, during the early-stage production process of tea leaves, the tea leaves are sent into a dryer for drying, and the dried tea leaves are sent into a screening machine for screening. However, this process is relatively complicated, requires a large amount of labor, and is inefficient. According to the problems existing in the production process, in the prior art, a drying and screening integrated machine is produced, and the drying and screening of tea leaves are taken as one step, so that the tea making efficiency is improved. However, the existing drying and screening all-in-one machine has the defects of low heat energy utilization rate and slow drying, so that the tea making efficiency needs to be further improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tealeaves screening drying machine that heat utilization rate is high, drying efficiency is high.

In order to realize the purpose of the utility model, the utility model adopts the technical proposal that: a tea screening and drying integrated machine comprises a machine case, wherein a feeding hopper is arranged at the top of the machine case; the drying mechanism is arranged on the upper side inside the case, the screening mechanism is arranged below the drying mechanism, and the drying mechanism comprises a drying box fixed in the case and a heat supply assembly for supplying hot air to the drying box;

a feed inlet is formed in the top wall of the drying box, which is positioned right below the hopper, the bottom of the drying box is open and is hinged with a bottom plate, and a lifting mechanism for controlling the bottom plate to rotate around a hinged shaft is arranged on one side of the bottom plate, which is far away from the hinged shaft of the drying box and the bottom plate;

a cavity is arranged inside the bottom plate, a plurality of air guide holes are formed in the wall surface of the bottom plate above the cavity, the upper ends of the air guide holes are connected with a section of cone tube, an air distribution cover is arranged above the cone tube, a plurality of vertical support columns which are uniformly distributed along the circumferential direction of the air distribution cover are arranged on the end surface of the air distribution cover opposite to the bottom plate, the bottom ends of the support columns are arranged on the upper surface of the bottom plate, and an air guide cavity is formed between the inner wall of the air distribution cover and the outer wall of the cone tube;

and a plurality of air inlet pipes communicated with the air guide cavity are arranged on the wall surface of one side of the bottom plate close to the hinged shaft, and the air inlet pipes are connected with the heat supply assembly.

Further, the lifting mechanism comprises a section of limiting plate fixedly arranged on the outer wall of the bottom plate, a strip-shaped hole extending along the length direction of the limiting plate is formed in the limiting plate, a lifting rod penetrates through the strip-shaped hole, and the lifting rod comprises an upper section of screw rod and a lower section of square rod; the bottom of the lifting rod is provided with a limiting block, the top end of the lifting rod extends upwards to the upper part of the drying box, and the top wall of the drying box is provided with a first motor for driving the lifting rod to lift;

a bearing, a lifting sleeve and a driven gear are sequentially sleeved outside the rod body at the upper part of the lifting rod from bottom to top, the bearing is fixed at the upper part of the drying box, the lower end face of the lifting sleeve is fixedly connected with the bearing, and threads are arranged on the inner wall of the lifting sleeve and are in threaded fit with the screw; the upper end surface of the lifting sleeve is fixedly connected with the driven gear; the driving end of the first motor is connected with a driving gear, and the driving gear is meshed with a driven gear.

Furthermore, the heat supply assembly comprises a heat absorption pump arranged outside the case, an output port of the heat absorption pump is connected with a gas pipe, the gas pipe extends upwards and penetrates through the side wall of the case, one end of the gas pipe located in the case is connected with a transverse pipe extending along the width direction of the drying box, a plurality of hoses corresponding to the gas inlet pipes are connected to the transverse pipe, and the hoses are connected with the gas inlet pipes.

Further, screening mechanism is including fixed many spinal branchs vaulting pole that sets up on quick-witted bottom wall, be equipped with the filter of a plurality of slopes on the bracing piece, the lower surface of filter is equipped with vibrating motor, the below of filter is equipped with a plurality of collection boxes.

Furthermore, a mounting groove is formed in the bottom plate below the supporting column, and a magnet is fixed at the bottom of the mounting groove; the support column is inserted in the mounting groove, and the bottom end of the support column is adsorbed on the upper surface of the magnet.

Furthermore, the stoving incasement is equipped with the shaftless auger that extends along stoving case length direction, the top of stoving case is equipped with the second motor that drives shaftless auger pivoted.

Furthermore, the top of stoving case is equipped with the gas vent, be connected with the blast pipe on the gas vent, the one end of keeping away from the stoving case of blast pipe runs through the roof of quick-witted case and extends to the outside of quick-witted case, the blast pipe is equipped with exhaust fan on being located the body of quick-witted case outside

Furthermore, the top of the case is provided with a heat dissipation louver.

The beneficial effects of the utility model are concentrated and are embodied in: the utility model discloses a tealeaves screening drying machine has heat utilization rate height, drying efficiency height and the strong advantage of practicality. Specifically, tea leaves are put into a drying box through a hopper on a case for drying, hot air is conveyed into a cavity of a bottom plate through a heat supply assembly and then enters the drying box through an air guide hole to heat and dry the tea leaves. In the process, heat is directly conveyed into the drying box, and unnecessary loss of heat energy is reduced. Meanwhile, the cone pipe and the air distribution cover are arranged above the air guide holes, and hot air flowing out of the air guide holes is uniformly dispersed to the upper surface of the bottom plate through the air guide cavity, so that the condition that tea leaves in the drying box are unevenly heated to influence the drying quality can be avoided, and the drying efficiency is accelerated; the tealeaves after the stoving is accomplished makes the bottom plate rotate around the articulated shaft through control elevating system, and the tealeaves landing of stoving incasement filters to the screening mechanism of stoving case below, and this stoving, the simple structure of screening, the practicality is strong.

Drawings

Fig. 1 is a schematic view of the internal structure of the case of the present invention;

FIG. 2 is a schematic view of the internal structure of the drying box of the present invention;

fig. 3 is a top view of the drying box of the present invention;

FIG. 4 is an enlarged view of portion A of the structure of FIG. 1;

fig. 5 is an enlarged view of a portion B of the structure shown in fig. 2.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the tea screening and drying all-in-one machine comprises a case 1, wherein a feeding hopper 2 is arranged at the top of the case 1; a drying mechanism is arranged on the upper side inside the case 1, a screening mechanism is arranged below the drying mechanism, and the drying mechanism comprises a drying box 3 fixed in the case 1 and a heat supply assembly for supplying hot air to the drying box 3; a feed inlet 4 is formed in the top wall of the drying box 3, which is positioned right below the hopper 2, the bottom of the drying box 3 is open and is hinged with a bottom plate 5, and a lifting mechanism for controlling the bottom plate 5 to rotate around a hinged shaft is arranged on one side of the bottom plate 5, which is far away from the hinged shaft of the drying box 3 and the bottom plate 5; when tea leaves are dried and screened, tea leaves are placed in the hopper 2, the hopper 2 sends the tea leaves into the drying box 3 through the feeding hole 4 at the top of the drying box 3, and a heating and drying process is carried out; after the tealeaves is accomplished to dry, rotate around the articulated shaft through elevating system control bottom plate 5, make the tealeaves landing in stoving case 3 to the screening mechanism of stoving case 3 below, carry out the screening process, collect tealeaves after the screening is accomplished.

As shown in fig. 2, further, a cavity 6 is arranged inside the bottom plate 5, a plurality of air inlet pipes 11 communicated with the air guide cavity 12 are arranged on the wall surface of one side of the bottom plate 5 close to the hinge shaft, and the air inlet pipes 11 are connected with the heat supply assembly, so that heat energy provided by the heat supply assembly can be fully utilized to heat and dry the tea leaves; a plurality of air guide holes 7 are formed in the wall surface of the bottom plate 5 above the cavity 6, in the embodiment, the air guide holes 7 in the bottom plate 5 are arranged in a four-row and two-column layout mode, and eight air guide holes 7 are provided;

in order to improve the drying quality and efficiency, as shown in fig. 5, the upper end of the air guide hole 7 is connected with a section of cone pipe 8, the inner diameter and the outer diameter of the cone pipe 8 are sequentially reduced from bottom to top, an air distribution cover 9 is arranged above the cone pipe 8, and the inner diameter and the outer diameter of the air distribution cover 9 are sequentially reduced from top to bottom; four vertical supporting columns 10 are uniformly distributed along the circumferential direction of the gas distribution cover 9 on the end face, opposite to the bottom plate 5, of the gas distribution cover 9, in order to facilitate the installation of the gas distribution cover 9, an installation groove is formed in the bottom plate 5 below the supporting columns 10, and a magnet 30 is fixed at the bottom of the installation groove; the supporting column 10 is inserted into the mounting groove, the bottom end of the supporting column is adsorbed on the upper surface of the magnet 30, and a gas guide cavity 12 is formed between the inner wall of the gas distribution cover 9 and the outer wall of the cone pipe 8; hot air in the cavity 6 enters the drying box 3 through the air guide holes 7, and then flows uniformly onto the upper surface of the bottom plate 5 through the air distribution cover 9, so that the tea leaves can be uniformly heated, the drying efficiency can be improved, and the drying quality can also be improved; in order to further improve the drying efficiency, as shown in fig. 2 and 3, a shaftless packing auger 31 extending along the length direction of the drying box 3 is arranged in the drying box 3, and a second motor 32 for driving the shaftless packing auger 31 to rotate is arranged at the top of the drying box 3; tea leaves in the drying box 3 are stirred by the shaftless auger 31, so that the drying of the tea leaves is accelerated.

Specifically, as shown in fig. 4, the lifting mechanism includes a section of limiting plate 13 fixedly disposed on the outer wall of the bottom plate 5, a strip-shaped hole 14 extending along the length direction of the limiting plate 13 is disposed on the limiting plate 13, a lifting rod 15 penetrates through the strip-shaped hole 14, and the lifting rod 15 includes an upper section of screw rod and a lower section of square rod; the bottom of the lifting rod 15 is provided with a limiting block 16, the top end of the lifting rod 15 extends upwards to the upper part of the drying box 3, and the top wall of the drying box 3 is provided with a first motor 17 for driving the lifting rod 15 to lift;

a bearing 18, a lifting sleeve 19 and a driven gear 20 are sequentially sleeved outside the rod body at the upper part of the lifting rod 15 from bottom to top, the bearing 18 is fixed at the upper part of the drying box 3, the lower end face of the lifting sleeve 19 is fixedly connected with the bearing 18, and the inner wall of the lifting sleeve 19 is provided with threads and forms threaded fit with a screw; the upper end surface of the lifting sleeve 19 is fixedly connected with a driven gear 20; the driving end of the first motor 17 is connected with a driving gear 21, and the driving gear 21 is meshed with a driven gear 20; the control principle is as follows: the first motor 17 rotates to drive the driving gear 21 to rotate, the driving gear 21 drives the driven gear 20 to rotate, the driven gear 20 is fixed at the top end of the lifting sleeve 19 and can further drive the lifting sleeve 19 to rotate on the bearing 18, threads are arranged on the inner wall of the lifting sleeve 19 and are matched with the screw part of the lifting rod 15, and the lifting rod 15 is lifted or lowered; when the lifting rod 15 descends, the bottom plate 5 is separated from the bottom of the drying box 3, and the drying box 3 is opened, so that tea leaves in the drying box 3 slide to the screening mechanism for screening. When the lifting rod 15 is lifted, the bottom plate 5 is closed with the bottom of the drying box 3.

Specifically, as shown in fig. 1, the heat supply assembly includes a heat absorption pump 22 disposed outside the case 1, an output port of the heat absorption pump 22 is connected with an air pipe 23, the air pipe 23 extends upward and penetrates through a side wall of the case 1, one end of the air pipe 23 located inside the case 1 is connected with a horizontal pipe 24 extending along a width direction of the drying box 3, the horizontal pipe 24 is connected with a plurality of hoses 25 corresponding to the air inlet pipes 11, the hoses 25 are connected with the air inlet pipes 11, and the hoses 25 are made of high temperature resistant rubber pipes.

Specifically, as shown in fig. 1, the screening mechanism includes a plurality of support rods 26 fixedly disposed on the bottom wall of the chassis 1, in this embodiment, 4 support rods 26 are preferably used, two support rods are disposed on the left and right sides in fig. 1, the height of the support rod 26 on the left side is lower than that of the support rod 26 on the right side, two inclined filter plates 27 are disposed on the support rods 26, the filter plates 27 are fixed on the support rods 26, the through holes on the upper filter plate 27 are larger than those on the lower filter plate 27, the upper filter plate 27 is inclined from right to left, and the lower filter plate 27 is inclined from left to right; the lower surface of filter 27 all is equipped with vibrating motor 28, the below of filter 27 is equipped with three collection box 29, and left tealeaves after the upper filter 27 screening is collected to leftmost collection box 29, and the impurity that lower floor filter 27 was selected is collected to middle collection box 29, and remaining tealeaves after lower floor filter 27 screening is collected to rightmost collection box 29.

Further, as shown in fig. 1, in order to rapidly exhaust the gas in the drying box 3, an exhaust port 33 is provided at the top of the drying box 3, an exhaust pipe 34 is connected to the exhaust port 33, and in this embodiment, the exhaust pipe 35 is connected to the drying box 3 through a flange; one end of the exhaust pipe 34 far away from the drying box 3 penetrates through the top wall of the case 1 and extends to the outside of the case 1, and an exhaust fan 35 is arranged on a pipe body of the exhaust pipe 34 positioned outside the case 1.

Further, in order to make the radiation generated in the case 1, a heat radiation louver is arranged on the top of the case 1.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.

Claims

1. A tea screening and drying integrated machine comprises a machine case (1), wherein a feeding hopper (2) is arranged at the top of the machine case (1); a drying mechanism is arranged on the upper side in the case (1), a screening mechanism is arranged below the drying mechanism, and the drying mechanism comprises a drying box (3) fixed in the case (1) and a heat supply assembly for supplying hot air into the drying box (3);

the method is characterized in that: a feed inlet (4) is formed in the top wall of the drying box (3) which is positioned right below the hopper (2), the bottom of the drying box (3) is open and is hinged with a bottom plate (5), and a lifting mechanism for controlling the bottom plate (5) to rotate around a hinged shaft is arranged on one side, away from the hinged shaft of the drying box (3) and the bottom plate (5), of the bottom plate (5);

a cavity (6) is arranged inside the bottom plate (5), a plurality of air guide holes (7) are formed in the wall surface of the bottom plate (5) above the cavity (6), a section of cone tube (8) is connected to the upper end of each air guide hole (7), an air distribution cover (9) is arranged above each cone tube (8), a plurality of vertical support columns (10) are arranged on the end surface, opposite to the bottom plate (5), of each air distribution cover (9), the bottom ends of the support columns (10) are installed on the upper surface of the bottom plate (5), and an air guide cavity (12) is formed between the inner wall of each air distribution cover (9) and the outer wall of each cone tube (8);

the wall surface of one side of the bottom plate (5) close to the hinged shaft is provided with a plurality of air inlet pipes (11) communicated with the air guide cavity (12), and the air inlet pipes (11) are connected with the heat supply assembly.

2. The tea screening and drying machine according to claim 1, wherein: the lifting mechanism comprises a section of limiting plate (13) fixedly arranged on the outer wall of the bottom plate (5), a strip-shaped hole (14) extending along the length direction of the limiting plate (13) is formed in the limiting plate (13), a lifting rod (15) penetrates through the strip-shaped hole (14), and the lifting rod (15) comprises an upper section of screw rod and a lower section of square rod; the bottom of the lifting rod (15) is provided with a limiting block (16), the top end of the lifting rod (15) extends upwards to the upper part of the drying box (3), and the upper part of the drying box (3) is provided with a first motor (17) for driving the lifting rod (15) to lift;

a bearing (18), a lifting sleeve (19) and a driven gear (20) are sequentially sleeved outside the rod body at the upper part of the lifting rod (15) from bottom to top, the bearing (18) is fixed at the upper part of the drying box (3), the lower end face of the lifting sleeve (19) is fixedly connected with the bearing (18), and the inner wall of the lifting sleeve (19) is provided with threads and is in threaded fit with a screw; the upper end surface of the lifting sleeve (19) is fixedly connected with the driven gear (20); the driving end of the first motor (17) is connected with a driving gear (21), and the driving gear (21) is meshed with a driven gear (20).

3. The tea screening and drying machine according to claim 1, wherein: the heat supply assembly comprises a heat absorption pump (22) arranged outside the case (1), an output port of the heat absorption pump (22) is connected with an air pipe (23), the air pipe (23) extends upwards and penetrates through the side wall of the case (1), one end of the air pipe (23) located in the case (1) is connected with a transverse pipe (24) extending along the width direction of the drying box (3), the transverse pipe (24) is connected with a plurality of hoses (25) corresponding to the air inlet pipe (11), and the hoses (25) are connected with the air inlet pipe (11).

4. The tea screening and drying machine according to claim 1, wherein: screening mechanism is including fixed many spinal branchs vaulting pole (26) that set up on quick-witted case (1) diapire, be equipped with filter (27) of a plurality of slopes on bracing piece (26), the lower surface of filter (27) is equipped with vibrating motor (28), the below of filter (27) is equipped with a plurality of collection boxes (29).

5. The tea screening and drying machine according to claim 1, wherein: a mounting groove is formed in the bottom plate (5) below the supporting column (10), and a magnet (30) is fixed at the bottom of the mounting groove; the supporting columns (10) are inserted into the mounting grooves, and the bottom ends of the supporting columns are adsorbed to the upper surface of the magnet (30).

6. The tea screening and drying machine according to claim 1, wherein: the drying box is characterized in that a shaftless packing auger (31) extending along the length direction of the drying box (3) is arranged in the drying box (3), and a second motor (32) for driving the shaftless packing auger (31) to rotate is arranged at the top of the drying box (3).

7. The tea screening and drying machine according to claim 1, wherein: the top of stoving case (3) is equipped with gas vent (33), be connected with blast pipe (34) on gas vent (33), the roof of quick-witted case (1) is run through and extends to the outside of quick-witted case (1) to the one end of keeping away from stoving case (3) of blast pipe (34), blast pipe (34) are located and are equipped with exhaust fan (35) on the outside body of quick-witted case (1).

8. The tea screening and drying machine according to claim 1, wherein: the top of the case (1) is provided with a heat dissipation louver.