Rapid identification device for yellowing degree of flue-cured tobacco
By designing a quick identification device including a chassis, universal wheel, guide slider, lift bar, reciprocating screw and identification camera, the problem of insufficient identification accuracy of the degree of yellowing of flue-cured tobacco in the prior art is solved, and the rapid and accurate identification of the overall yellowing of flue-cured tobacco is achieved.
Patent Information
- Application Number
- CN202420854251.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-04-24
AI Technical Summary
The existing identification device for the yellowing degree of flue-cured tobacco is insufficient in identifying the bottom of flue-cured tobacco, making it difficult to accurately identify the yellowing degree of long tobacco leaves.
A quick identification device including a chassis, universal wheel, guide slider, lifting bar, reciprocating screw and identification camera is designed. The servo motor drives the transmission assembly to drive the movement of the reciprocating screw and lifting bar to achieve rapid and accurate identification of flue-cured tobacco by the camera.
By driving the lifting and lowering bars and identifying the camera's lifting and lowering movement, the fast and accurate identification of the overall yellowing degree of flue-cured tobacco is achieved, and the recognition accuracy is improved.
Smart Images

Figure CN222561521U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flue-cured tobacco, in particular to a device for quickly identifying the yellowing degree of flue-cured tobacco. Background Art
[0002] Flue-cured tobacco is an important cash crop in my country and plays a pivotal role in the development of the national economy. The leaves of flue-cured tobacco are used to roll cigarettes and are the main harvesting organs of flue-cured tobacco. Usually, the tobacco leaves harvested from the field are hoisted in the curing room, and the environmental conditions such as temperature, humidity, ventilation and time are provided according to the curing process parameters, so that the tobacco leaves gradually turn yellow and lose water, promote the necessary physiological and biochemical changes in the leaves, and realize the process of drying tobacco leaves.
[0003] At present, the judgment of the yellowing degree of flue-cured tobacco is basically based on manual observation, with poor quantitative accuracy and certain subjectivity and experience. In this regard, a Chinese patent with publication number CN219084228U discloses a collection device for automatic identification of tobacco leaf color and baking stage, including a flat mounting plate, the mounting plate is made of iron metal or an adsorption plate made of iron metal is fixedly arranged thereon, and also includes at least two color recognition modules, the upper surface of the color recognition module is provided with a color recognition sensor, the color recognition sensor is used to collect tobacco leaf color parameters, and a magnet block is fixedly arranged on the color recognition module, and the color recognition module is adsorbed on the upper surface of the collection plate through the magnet block.
[0004] Although the device realizes automatic identification of the baking stage, the length of the tobacco is relatively long. The device is suspended on the roof of the baking room, which may easily lead to the failure to identify the bottom of the tobacco or the identification is not accurate enough. Therefore, we propose a rapid identification device for the yellowing degree of tobacco to solve the above problem. Utility Model Content
[0005] The utility model aims to provide a device for quickly identifying the yellowing degree of flue-cured tobacco, so as to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for quickly identifying the yellowing degree of flue-cured tobacco, comprising a base frame, a plurality of universal wheels are fixedly installed at the bottom end of the base frame, guide slide bars are fixedly connected to both sides of one end of the top of the base frame, the guide slide bars are slidably connected to one side of a lifting strip, the other side of the lifting strip is sleeved with a reciprocating screw through a threaded structure, the bottom of the reciprocating screw is rotatably connected to both sides of the other end of the top of the base frame, and a plurality of identification cameras are fixedly installed on the opposite end surface of the lifting strip;
[0007] A servo motor is fixedly mounted on one side of the middle portion of the base frame, and the servo motor is respectively connected to the reciprocating screw through a transmission assembly.
[0008] Preferably, the base frame is a U-shaped structure.
[0009] Preferably, an embedding groove is provided on one side of the top of the base frame, a height sensor is provided on the top of the embedding groove, the height sensor is fixedly mounted on the bottom of one of the lifting strips, and the height sensor is fitted in the embedding groove.
[0010] Preferably, two handles are fixedly mounted on one side of the base frame.
[0011] Preferably, a transmission cavity is hollowed out on one side of the base frame, worm gears are rotatably provided on both sides of the transmission cavity, and the worm gears are fixedly sleeved on the bottom end of the reciprocating screw.
[0012] Preferably, the transmission assembly includes a driven bevel gear, a transmission shaft, and a worm. The transmission shaft is rotatably disposed in a transmission cavity. One side of the middle portion of the transmission shaft is fixedly sleeved with the driven bevel gear. The driven bevel gear is meshedly connected to the driving bevel gear. The driving bevel gear is fixedly connected to the output shaft of a servo motor. Both ends of the transmission shaft are coaxially fixedly connected to the worm, and the worm is meshedly connected to the worm wheel.
[0013] Compared with the prior art, the beneficial effect of the utility model is that the reciprocating screw drives the lifting bar to lift and lower back and forth, the lifting bar drives the identification camera to lift and lower back and forth, and the identification camera then quickly identifies the whole flue-cured tobacco, ensuring the accuracy of yellowing degree identification. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the chassis of the utility model.
[0016] In the figure: base frame 1, embedding groove 101, transmission cavity 102, universal wheel 2, handle 3, servo motor 4, active bevel gear 41, guide slide bar 5, top plate 6, reciprocating screw 7, worm gear 71, lifting bar 8, recognition camera 9, height sensor 10, transmission assembly 11, driven bevel gear 111, transmission shaft 112, worm 113. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example
[0018] Reference Figure 1 , 2 , which is the first embodiment of the present utility model. This embodiment provides a device for quickly identifying the yellowing degree of flue-cured tobacco, including a chassis 1. A plurality of universal wheels 2 are fixedly installed at the bottom end of the chassis 1. On both sides of one end of the top of the chassis 1, guiding slide bars 5 are respectively fixedly connected. One side of the lifting bars 8 is slidably connected to the guiding slide bars 5. The other sides of the lifting bars 8 are respectively sleeved with reciprocating screw rods 7 through a threaded structure. The bottoms of the reciprocating screw rods 7 are respectively rotatably connected to both sides of the other end of the top of the chassis 1. A plurality of identification cameras 9 are fixedly installed on the opposite end faces of the lifting bars 8.
[0019] A servo motor 4 is fixedly installed on one side of the middle of the chassis 1. The servo motor 4 is respectively drivingly connected to the reciprocating screw rods 7 through a transmission assembly 11.
[0020] Push the chassis 1 into the baking room. The universal wheels 2 provided at the bottom of the chassis 1 facilitate the pushing of the chassis 1, saving manpower. After the chassis 1 enters the baking room, the lifting bars 8 are located on both sides of the flue-cured tobacco. Then start the servo motor 4, which drives the reciprocating screw rods 7 to rotate synchronously in the same direction. The reciprocating screw rods 7 drive the lifting bars 8 to reciprocate up and down through the threaded structure. The lifting bars 8 drive the fixedly connected identification cameras 9 to quickly identify the yellowing degree in the length direction of the flue-cured tobacco. The identified image information signal is transmitted to an external computer to ensure the accuracy of the yellowing degree identification. Embodiment
[0021] Refer to Figure 1-2 , which is the second embodiment of the present utility model. This embodiment is based on the previous embodiment. Specifically, the chassis 1 is in a C-shaped structure. With this C-shaped structure, when the chassis 1 is pushed into the baking room, the lifting bars 8 are located on both sides of the flue-cured tobacco, and at the same time, the chassis 1 is located at the bottom of the flue-cured tobacco, and the chassis 1 does not affect the internal layout of the baking room.
[0022] Specifically, an embedding groove 101 is opened on one side of the top of the chassis 1. A height sensor 10 is provided at the top of the embedding groove 101. The height sensor 10 is fixedly installed at the bottom of one of the lifting bars 8. The height sensor 10 and the embedding groove 101 are in a fitting and engaging relationship. The setting of the height sensor 10 facilitates the monitoring of the lifting height of the lifting frame 8. The setting of the embedding groove 101 facilitates the accommodation of the height sensor 10 when the height sensor 10 descends to the lowest point.
[0023] Specifically, two handles 3 are fixedly installed on one side of the chassis 1. By holding the handles 3 with hands, the chassis 1 is pushed into the baking room. The universal wheels 2 provided at the bottom of the chassis 1 facilitate the pushing of the chassis 1.
[0024] Specifically, a transmission cavity 102 is provided in a hollow manner on one side of the chassis 1. Worm wheels 71 are respectively rotatably provided on both sides of the transmission cavity 102. The worm wheels 71 are fixedly sleeved at the bottom ends of the reciprocating screw rods 7.
[0025] Specifically, the transmission assembly 11 includes a driven bevel gear 111, a transmission shaft 112, and a worm 113. The transmission shaft 112 is rotatably disposed in the transmission cavity 102. One side of the middle portion of the transmission shaft 112 is fixedly sleeved with the driven bevel gear 111. The driven bevel gear 111 is meshedly connected to the active bevel gear 41. The active bevel gear 41 is fixedly connected to the output shaft of the servo motor 4. Both ends of the transmission shaft 112 are coaxially fixedly connected to the worm 113, and the worm 113 is meshedly connected to the worm wheel 71.
[0026] Start the servo motor 4, which drives the fixed active bevel gear 41 to rotate, and the active bevel gear 41 drives the meshing driven bevel gear 111 to rotate, and the driven bevel gear 111 drives the fixed transmission shaft 112 to rotate, and the transmission shaft 112 drives the worm 113 fixed at both ends to rotate, and the worm 113 drives the worm wheel 71 to rotate, and the worm wheel 71 drives the fixed reciprocating screw 7 to rotate synchronously and in the same direction. Example
[0027] Reference Figure 1-2 , which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. When in use, the base frame 1 is pushed into the baking room by holding the handle 3. The universal wheel 2 arranged at the bottom of the base frame 1 facilitates the pushing of the base frame 1 and saves manpower. After the base frame 1 enters the baking room, the lifting strips 8 are located on both sides of the flue-cured tobacco, and then the servo motor 4 is started. The servo motor 4 drives the fixed active bevel gear 41 to rotate, and the active bevel gear 41 drives the meshing driven bevel gear 111 to rotate, and the driven bevel gear 111 drives the fixed transmission shaft 112 to rotate, and the transmission shaft 112 drives the worm 113 fixed at both ends to rotate, and the worm 113 drives the worm wheel 71 to rotate, and the worm wheel 71 drives the fixed reciprocating screw 7 to rotate synchronously in the same direction, and the reciprocating screw 7 drives the lifting strip 8 to reciprocate through the thread structure. The lifting strip 8 drives the fixed recognition camera 9 to quickly identify the yellowing degree of the flue-cured tobacco in the length direction, and the recognized image information signal is transmitted to an external computer to ensure the accuracy of the yellowing degree recognition.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for quickly identifying the yellowing degree of flue-cured tobacco, comprising a base frame (1), characterized in that: A plurality of universal wheels (2) are fixedly mounted on the bottom end of the base frame (1); guide slide bars (5) are fixedly connected to both sides of the top end of the base frame (1); the guide slide bars (5) are slidably connected to one side of a lifting bar (8); the other side of the lifting bar (8) is sleeved with a reciprocating screw (7) through a threaded structure; the bottom of the reciprocating screw (7) is rotatably connected to both sides of the other end of the top of the base frame (1); and a plurality of identification cameras (9) are fixedly mounted on the opposite end surface of the lifting bar (8); A servo motor (4) is fixedly mounted on one side of the middle portion of the base frame (1), and the servo motor (4) is respectively connected to the reciprocating screw rod (7) through a transmission assembly (11).
2. The device for quickly identifying the yellowing degree of flue-cured tobacco according to claim 1, characterized in that: The base frame (1) is a U-shaped structure.
3. The device for quickly identifying the yellowing degree of flue-cured tobacco according to claim 1, characterized in that: An embedding groove (101) is provided on one side of the top of the base frame (1), a height sensor (10) is provided on the top of the embedding groove (101), the height sensor (10) is fixedly mounted on the bottom of one of the lifting bars (8), and the height sensor (10) and the embedding groove (101) are fitted together.
4. The device for quickly identifying the yellowing degree of flue-cured tobacco according to claim 1, characterized in that: Two handles (3) are fixedly mounted on one side of the base frame (1).
5. The device for quickly identifying the yellowing degree of flue-cured tobacco according to claim 1, characterized in that: A transmission chamber (102) is hollowed out on one side of the base frame (1), worm wheels (71) are rotatably provided on both sides of the transmission chamber (102), and the worm wheels (71) are fixedly sleeved on the bottom end of the reciprocating screw rod (7).
6. The device for quickly identifying the yellowing degree of flue-cured tobacco according to claim 5, characterized in that: The transmission assembly (11) comprises a driven bevel gear (111), a transmission shaft (112), and a worm (113); the transmission shaft (112) is rotatably disposed in the transmission chamber (102); one side of the middle portion of the transmission shaft (112) is fixedly sleeved with the driven bevel gear (111); the driven bevel gear (111) is meshedly connected to the driving bevel gear (41); the driving bevel gear (41) is fixedly connected to the output shaft of the servo motor (4); two ends of the transmission shaft (112) are coaxially fixedly connected to the worm (113); and the worm (113) is meshedly connected to the worm wheel (71).
Citation Information
Patent Citations
Collection device for automatic identification of tobacco leaf color and baking stage
CN219084228U