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CN-121978033-A - Tea leaf withering degree detection device

CN121978033ACN 121978033 ACN121978033 ACN 121978033ACN-121978033-A

Abstract

The invention provides a tea withering degree detection device, belongs to the technical field of detection devices, and solves the technical problems that the existing tea withering degree detection device cannot automatically flatten tea before withering detection and performs multi-dimensional flexible detection. The utility model provides a tealeaves degree detection device that withers, includes quick-witted case, fixes the support column in the machine case bottom and passes through hinged joint at the door that opens and shuts of machine case surface, and the inside fixed mounting of a plurality of support columns has the fixed plate. According to the invention, through the arrangement of the rotary table, the connecting rod, the sleeve and the guide frame, the work of the spreading plate is matched, so that the tea leaves on the material supporting plate are automatically and reciprocally spread, a uniform and flat sample layer is formed before the detection of the tea leaves, subjective differences caused by manual spreading are avoided, the consistency and representativeness of detection results are obviously improved, and the rotary table and the incomplete gear are simultaneously arranged on the rotary rod, so that the time sequence control of the spreading action and the detection action is realized.

Inventors

  • HUANG JIANFENG
  • HUANG DEWEN

Assignees

  • 福建鸿钧农业发展有限公司

Dates

Publication Date
20260505
Application Date
20260409

Claims (7)

  1. 1. The tea leaf withering degree detection device comprises a case, support columns fixed at the bottom end of the case and an opening and closing door connected to the surface of the case through hinges, and is characterized in that a fixed plate is fixedly arranged in the support columns, a telescopic cylinder is fixedly arranged on the surface of the fixed plate, a material supporting plate is fixedly arranged at the output end of the top end of the telescopic cylinder, the material supporting plate is embedded and arranged below the inside of the case, and a flattening unit is arranged above the material supporting plate; The flattening unit comprises a vertical frame, the vertical frame is fixedly arranged on the inner bottom wall of the case, a rotating rod is rotationally connected to the inside of the vertical frame and driven by a stepping motor, a turntable is fixedly arranged at the outer end of the rotating rod, a connecting rod is rotationally connected to the surface of the turntable, one end, far away from the turntable, of the connecting rod is rotationally connected with a sleeve, a guide frame is sleeved on the inner wall of the sleeve in a sliding manner, the guide frame is fixedly arranged in the case, a flattening plate is fixedly arranged between the two sleeves, and the flattening plate is positioned above the material supporting plate; the outer wall of the rotating rod is also fixedly connected with an incomplete gear, and the incomplete gear is in transmission connection with an adjustment detection assembly; the adjusting and detecting assembly comprises rack plates, the rack plates are connected to the outer wall of the incomplete gear in a meshed mode, the rack plates are connected to the inner wall of the case in a sliding mode, a connecting frame is fixedly arranged between the two rack plates, the connecting frame is connected to the outer wall of the vertical frame in a sliding mode, and a detecting unit is arranged outside the connecting frame; The detection unit comprises two synchronous wheels, the two synchronous wheels are both rotatably connected to the surface of the connecting frame, and a synchronous belt is sleeved on the outer wall of the synchronous wheels in a meshed mode; The outer wall of the synchronous belt is fixedly provided with a moving block, the moving block is in sliding connection with the surface of the connecting frame, the outer side of the moving block is fixedly provided with a side frame, a screw rod is rotationally connected between the moving block and the side frame, the outer wall of the screw rod is rotationally connected with a spectrum sensor through a ball nut, the spectrum sensor is in sliding connection with the bottom end of the side frame, and the spectrum sensor is positioned above the material supporting plate; A guide block is fixedly arranged on one side, away from the side frame, of the moving block, a guide groove is connected to the outer wall of the guide block in a sliding manner, the guide groove is formed in the surface of the connecting frame, and the guide groove is arranged in parallel with the tooth supporting plate; the stepping motor is a bidirectional motor, a rotating rod is fixedly arranged at the bidirectional output end of the stepping motor, and the stepping motor is fixedly arranged in the vertical frame.
  2. 2. A tea leaf withering degree detecting device according to claim 1, wherein the outer end of one of the synchronizing wheels is fixedly provided with a gear disc, and the gear disc is positioned at one side of the stand; The outer wall of the gear plate is connected with a fixed tooth groove plate in a meshed mode, and the fixed tooth groove plate is fixedly arranged on the outer wall of the vertical frame.
  3. 3. The tea leaf withering degree detection device according to claim 1, wherein guide posts are fixedly mounted between the moving block and the side frames, the guide posts are symmetrically arranged on two sides of the screw rod, and the outer walls of the guide posts are slidably connected with spectrum sensors.
  4. 4. A tea leaf withering degree detection device according to claim 3, wherein a first gear is fixedly arranged on the outer wall of the screw rod, a second gear is connected with the bottom end of the first gear in a meshed manner, the second gear is rotatably connected to one side of the moving block, a tooth supporting plate is connected with the bottom end of the second gear in a meshed manner, and the tooth supporting plate is fixedly arranged on the surface of the connecting frame; the tooth supporting plates and the connecting frame are vertically distributed.
  5. 5. A tea leaf withering degree detection device according to claim 1, wherein a return spring is fixedly mounted at the top end of the rack plate, and the top end of the return spring is fixedly mounted on the inner top wall of the case; The rack plates are arranged in an L-shaped structure, the two rack plates are arranged in parallel, and the outer wall of each rack plate is fixedly connected with a sliding column which is in sliding connection with the chassis; the inner wall of the case is provided with a slideway capable of accommodating the sliding of the sliding column.
  6. 6. A tea leaf withering degree detection device according to claim 4, wherein the outer wall of the connecting frame is fixedly provided with a sliding block, the outer wall of the sliding block is slidably connected with a sliding groove, and the sliding groove is formed in the outer wall of the vertical frame.
  7. 7. A tea leaf withering degree detecting device according to claim 2, wherein the length of the connecting rod is 1.2 to 1.5 times the radius of the turntable; the pitch circle diameter of the gear disc is 0.3 to 0.5 times of the length of the connecting rod; The pitch circle diameter of the incomplete gear is 0.8 to 1.2 times of the radius of the turntable, and the central angle occupied by the toothed part on the incomplete gear is 120 to 180 degrees.

Description

Tea leaf withering degree detection device Technical Field The invention belongs to the technical field of detection devices, and relates to a tea detection device, in particular to a tea withering degree detection device. Background Tea leaves refer to leaves and buds of tea trees, famous tea, cashew, tea and chuan, generally refer to leaves of evergreen shrubs tea trees which can be used for making tea and beverages infused by the leaves, the tea processing and manufacturing process mainly comprises withering, rolling, fermenting, drying and other operation links, the withering is a key link of a tea primary manufacturing process, the degree of the withering directly influences the color, aroma and taste quality of the tea leaves, the traditional withering degree judgment is mostly dependent on the experience of tea-making teachers, subjective judgment is carried out by observing the color of the leaves and touching the quality of the leaves, and the problems of poor consistency and difficulty in standardization exist. Through searching, the tea withering water content detection device disclosed in Chinese patent documents (application number: CN202122837041.4 and publication number: CN 216285172U) comprises a bottom plate and a vertical plate, wherein one side of the top surface of the bottom plate is provided with the vertical plate, and one side surface of the vertical plate is provided with a limiting groove in a penetrating manner. The first helical gear is driven to rotate through the motor, the second helical gear at the top end of the screw rod is driven to rotate when the first helical gear rotates, the movable block can be effectively moved on the screw rod, the supporting plate on one side surface of the movable block is moved when the movable block moves on the screw rod, after the movable block moves to a proper position, the fixed plate is driven to move downwards through the air cylinder, the moisture content detector on the bottom surface of the fixed plate is enabled to move downwards, when the moisture content detector moves to the inside of the containing box, tea leaves in the containing box can be detected, tea leaves with different depths in the containing box can be detected conveniently, the detection effect of the withering water content of the tea leaves can be improved conveniently, and the detection accuracy of the tea leaves is improved conveniently. The tea leaf withering water content detection device disclosed in the patent drives a water content detector to move through a moving mechanism, so that detection of tea leaves with different depths in a containing box is realized, but the tea leaves are required to be kept in a tiled state in the withering process to ensure uniform withering, manual auxiliary arrangement is required for current detection, detection efficiency and consistency are influenced, the existing detection unit can only perform single vertical or horizontal movement generally, flexible scanning detection of multiple dimensions and multiple areas is difficult to realize, the representative deficiency of detection samples is caused, and the integral withering degree of the tea leaves cannot be comprehensively reflected. Disclosure of Invention The invention aims at solving the problems in the prior art, and provides a tea withering degree detection device which aims at solving the technical problems of realizing automatic flattening of tea before withering detection and performing multi-dimensional flexible detection. The aim of the invention can be achieved by the following technical scheme: the tea leaf withering degree detection device comprises a machine case, support columns fixed at the bottom end of the machine case and an opening and closing door connected to the surface of the machine case through hinges, wherein a fixed plate is fixedly arranged in the support columns, a telescopic cylinder is fixedly arranged on the surface of the fixed plate, a material supporting plate is fixedly arranged at the output end of the top end of the telescopic cylinder, the material supporting plate is embedded and arranged at the inner lower part of the machine case, and a flattening unit is arranged above the material supporting plate; The flattening unit comprises a vertical frame, the vertical frame is fixedly arranged on the inner bottom wall of the case, a rotating rod is rotationally connected to the inside of the vertical frame and driven by a stepping motor, a turntable is fixedly arranged at the outer end of the rotating rod, a connecting rod is rotationally connected to the surface of the turntable, one end, far away from the turntable, of the connecting rod is rotationally connected with a sleeve, a guide frame is sleeved on the inner wall of the sleeve in a sliding manner, the guide frame is fixedly arranged in the case, a flattening plate is fixedly arranged between the two sleeves, and the flattening plate is positioned above the material supporting p