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CN-224221891-U - Drum-type tea fresh leaf classifier

CN224221891UCN 224221891 UCN224221891 UCN 224221891UCN-224221891-U

Abstract

The utility model provides a bright leaf grader of drum-type tea, which relates to tea processing equipment technical field, which comprises a frame, the cylinder, drive arrangement and inclination adjusting device, the one end corresponding with the cylinder feed inlet is provided with the feeder hopper in the frame, one end corresponding with the cylinder discharge gate is provided with out the hopper, arrange a plurality of branch sieve hoppers in the frame that is located the cylinder below, the both sides in the middle of the frame bottom are provided with the directional truckle of inclination respectively, the cylinder has set gradually the branch screen cloth of a plurality of sections sieve pore diameters from little to big distribution, drive arrangement is including fixing gear motor and two tugs in the frame, inclination adjusting device is located the feeder hopper below, including the support, fix the lead screw at the support top and the turbine lead screw lift on the lead screw, turbine lead screw lift is fixed with the frame. The utility model adopts stainless steel screens with different aperture specifications, can be arranged at the corresponding roller positions according to the requirements of different fresh leaf raw materials, and has adjustable roller body angle, so that the utility model has strong adaptability and high productivity.

Inventors

  • ZHENG SHULI
  • ZHOU RENGUI
  • YANG QING
  • YAO MINGFENG
  • FANG JINDI

Assignees

  • 浙江春江茶叶机械有限公司

Dates

Publication Date
20260512
Application Date
20250506

Claims (8)

  1. 1. The drum-type fresh tea leaf grader is characterized by comprising a frame (10), a drum (20), a driving device and an inclination angle adjusting device (40), wherein the drum (20) is positioned at the top of the frame (10), and two ends of the drum are respectively provided with a feed inlet and a discharge outlet; A feed hopper (11) is arranged at one end of the frame (10) corresponding to the feed inlet of the roller (20), a discharge hopper (12) and a bearing with a seat (13) are arranged at one end of the frame (10) corresponding to the discharge outlet of the roller (20), a plurality of sub-screening hoppers (14) separated by a partition plate are arranged on the frame (10) below the roller (20), and inclination angle directional casters (15) are respectively arranged at two sides of the middle of the bottom of the frame (10); The rotary drum (20) is of a cylinder with the same diameter, a plurality of sections of screening meshes (21) with small-to-large pore diameters are sequentially arranged from a feed inlet to a discharge outlet, a supporting ring (22) is arranged on the outer side of the rotary drum (20) at one end of the feed inlet, a central rotating shaft (23) is arranged in the middle of the rotary drum (20) at one end of the discharge outlet, the inner end of the central rotating shaft (23) is fixedly connected with the rotary drum (20) through a certain number of uniformly distributed supporting rods (24), and the outer end of the central rotating shaft is rotationally connected with a bearing (13) with a seat; The driving device comprises a gear motor (31) and two tugs (32) which are fixed on the frame (10), the supporting ring (22) of the roller (20) is propped against the two tugs (32), the output end of the gear motor (31) is provided with a driving sprocket (33), one side of the two tugs (32) is provided with driven sprockets (34), and the driving sprocket (33) is connected with the driven sprockets (34) through chain transmission; The inclination angle adjusting device (40) is located below the feed hopper (11), and comprises a support, a screw rod (41) fixed at the top of the support and a turbine screw rod lifter (42) on the screw rod (41), wherein the turbine screw rod lifter (42) is fixed with the frame (10).
  2. 2. The drum-type fresh tea leaf classifier as claimed in claim 1, wherein a riding wheel protective cover (16) is arranged on the frame (10) outside the tug wheel (32).
  3. 3. The drum-type fresh tea leaf classifier according to claim 1, wherein the number of the inclination adjusting devices (40) is two, the two turbine screw lifters (42) are connected through a synchronous connecting shaft (43), and the two ends of the synchronous connecting shaft (43) are respectively provided with a coupler (44).
  4. 4. A drum-type fresh tea leaf classifier according to claim 3, wherein the turbine screw lifter (42) is provided with a hand wheel (45).
  5. 5. A drum-type fresh tea leaf classifier according to claim 3, wherein the support comprises a lower support (46) and an upper support (47), and the lower support (46) and the upper support (47) are rotatably connected through a bolt-nut assembly (48).
  6. 6. A drum-type fresh tea leaf classifier according to any one of claims 1 to 5, further comprising a tea blocking device, wherein the tea blocking device comprises a tea blocking plate (51) fixed on the frame (10) at the side of the drum (20), a tea blocking collecting groove (52) is arranged below the tea blocking plate (51), and sliding rails (53) fixed with the frame (10) are arranged at two ends of the bottom of the tea blocking collecting groove (52).
  7. 7. The drum-type fresh tea leaf classifier according to claim 6, wherein the number of the tea blocking collecting grooves (52) is plural and corresponds to the separating screens (21) having different mesh diameters.
  8. 8. A drum-type fresh tea leaf classifier as claimed in claim 6, wherein a tea leaf conveyor is provided on one side of the feed hopper (11).

Description

Drum-type tea fresh leaf classifier Technical Field The utility model relates to the technical field of tea processing equipment, in particular to a drum-type tea fresh leaf classifier. Background Chinese is the hometown of tea and is also the origin of tea culture. Through thousands of years of development, a tea system represented by the Chinese six-big tea system is formed according to the processing technology and the tea variety. The tea processing technology is also called tea making, and is the process of making fresh tea leaves into various semi-finished tea or finished tea by various processing procedures. The classification of the fresh tea leaves is a key link in tea processing, the potential value of the fresh tea leaves is maximally excavated through scientific classification, and meanwhile, the standardization and high-quality development of the tea industry are supported. At present, the fresh leaf grader adopts a round table type roller structure, the diameter of a feeding end is smaller than that of a discharging end, the roller is woven from thin bamboo strips, uneven sieve holes are caused, and the production efficiency is low. Disclosure of utility model The utility model aims to solve the defects of the prior device, and provides the drum-type tea fresh leaf classifier which adopts stainless steel screens with different aperture specifications, can be arranged at the corresponding drum positions according to the requirements of different fresh leaf raw materials, and has the advantages of adjustable drum body angle, strong adaptability and high productivity. In order to achieve the above purpose, the utility model adopts the following technical scheme: The drum-type fresh tea leaf classifier comprises a frame, a drum, a driving device and an inclination angle adjusting device, wherein the drum is positioned at the top of the frame, and two ends of the drum are respectively provided with a feed inlet and a discharge outlet. The machine frame is characterized in that a feeding hopper is arranged at one end of the machine frame corresponding to the feeding hole of the roller, a discharging hopper and a bearing with a seat are arranged at one end of the machine frame corresponding to the discharging hole of the roller, a plurality of screening discharging hoppers separated by a partition plate are arranged on the machine frame below the roller, and inclination angle directional casters are respectively arranged at two sides of the middle of the bottom of the machine frame. The cylinder is equal diameter drum type, has set gradually the branch screen cloth that a plurality of sections sieve mesh aperture from little to big distribution from the feed inlet to the discharge gate, divides the screen cloth to adopt stainless steel material, is provided with the riding ring in the cylinder outside that is located feed inlet one end, is provided with central pivot in the middle of the cylinder that is located discharge gate one end, and the inner bracing piece and cylinder fixed connection of certain quantity evenly distributed of central pivot, outer end and belt seat bearing rotate to be connected. Mixed fresh leaves to be classified enter the roller from the feed inlet along the feed hopper, pass through the screening screens with different apertures according to the sizes of the fresh leaves, fall into the screening hopper below to finish classification, and the fresh leaves which do not pass through the screening screens flow out of the feed hopper. The driving device comprises a gear motor and two tugs which are fixed on the frame, the supporting ring of the roller is propped against the two tugs, the output end of the gear motor is provided with a driving sprocket, one side of the two tugs is provided with a driven sprocket, and the driving sprocket is connected with the driven sprocket through a chain. The roller is rotatably erected on the frame through two tugs and a bearing with a seat, the gear motor works, the driving chain wheel rotates to drive the driven chain wheel to rotate through the chain, the tugs synchronously rotate to enable the supporting rings on the rollers to rotate, and the roller rotates along with the supporting rings, so that fresh leaves in the roller can be turned and classified conveniently. The inclination angle adjusting device is located below the feeding hopper and comprises a support, a screw rod fixed at the top of the support and a turbine screw rod lifter on the screw rod, and the turbine screw rod lifter is fixed with the frame. The machine frame is arranged on the ground through the dip angle directional trundles and the dip angle adjusting device, the turbine screw rod lifter can move to different height positions on the screw rod, and the machine frame and the roller on the machine frame can adjust angles along the dip angle directional trundles. Preferably, a riding wheel protective cover is arranged on the frame at the outer side of the tug, so tha