Harvesting and cutting device for upper leaves with stems of flue-cured tobacco
By designing a mechanized cutting device that includes a hopper, a receiving plate, a limiting block, and an electric push rod, the problem of low efficiency in traditional manual harvesting has been solved, and automated cutting and efficient harvesting of the upper leaves and stems of flue-cured tobacco have been achieved.
Patent Information
- Application Number
- CN202422970634.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Traditionally, the upper leaves and stems of flue-cured tobacco are harvested manually, which is inefficient, labor-intensive, and lacks precise control over the cutting size, making it time-consuming and labor-intensive, thus reducing harvesting efficiency.
Design a mechanized cutting device including a hopper, a receiving plate, a limiting block, a movable cutter head, and an electric push rod. The device automatically cuts tobacco stems by clamping and limiting grooves, and achieves automated cutting by using a micro rotary motor and a telescopic electric push rod for the cutter head. After cutting, the material is pushed to the receiving plate by a harvesting push rod.
It has improved the mechanization and automation of harvesting the upper leaves and stems of flue-cured tobacco, reduced the labor intensity of manual transfer, improved harvesting efficiency, and saved human resources.
Smart Images
Figure CN223568140U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of flue-cured tobacco picking, in particular to a flue-cured tobacco upper leaf with stem picking and cutting device. BACKGROUND
[0002] The upper tobacco leaf has a great influence on the overall yield and quality of flue-cured tobacco, and the high-quality upper leaf plays a leading role in the modern mixed cigarette and low-tar flue-cured tobacco leaf formula, and has a great influence on the cigarette flavor and style. With the in-depth promotion of "reducing tar and harm", the problems of insufficient flavor and reduced usability of the middle and lower leaves after tar reduction treatment are increasingly prominent, combined with the rapid development of medium, thin, and low-tar cigarettes, it is urgent to use mature upper leaves to make up for the lack of aroma quality and quantity, and the importance of upper leaf quality is increasingly important.
[0003] When implementing the flue-cured tobacco upper leaf with stem picking operation, the knife is used to cut off at 2-4 cm from the lowest leaf position, and the knife and the stem are at an angle of 30°-45°, and it is strictly forbidden to fold by hand. The traditional flue-cured tobacco upper leaf with stem picking adopts manual operation, which has low work efficiency, high labor intensity, and inaccurate cutting size control, and the manual labor picking and cutting method is time-consuming and laborious, which reduces the picking efficiency.
[0004] Therefore, the utility model provides a flue-cured tobacco upper leaf with stem picking and cutting device which has simple structure, high work and operation efficiency, saves human resources, is high in mechanization and automation, can implement mechanical cutting of the flue-cured tobacco upper leaf with stem, reduces the labor intensity of manual transfer, improves the picking efficiency, and has wide market prospect. SUMMARY
[0005] In view of the shortcomings of the prior art, the utility model provides a flue-cured tobacco upper leaf with stem picking and cutting device which has simple structure, high work and operation efficiency, saves human resources, is high in mechanization and automation, can implement mechanical cutting of the flue-cured tobacco upper leaf with stem, reduces the labor intensity of manual transfer, improves the picking efficiency, and overcomes the defects in the prior art.
[0006] The technical scheme of the utility model is achieved as follows: a tobacco upper leaf and stem harvesting and cutting device, which comprises a hopper, receiving plates installed on both sides of the top of the hopper, a material blocking plate installed on the top of the outer side of the receiving plate, a first limiting block and a second limiting block fixedly installed on the front side of the receiving plate, a clamping limiting groove arranged between the first limiting block and the second limiting block, a movable cutter head fixedly installed on the inner wall of the first limiting block, a cutting support seat arranged on the inner wall of the second limiting block and matched with the movable cutter head, a through hole horizontally formed on the first limiting block, the inner end of the movable cutter head being installed in the through hole, a cutter head telescopic electric push rod arranged on the outer side of the through hole, the output end of the cutter head telescopic electric push rod being connected with the movable cutter head, a micro rotary motor longitudinally arranged on the top of the second limiting block, and a harvesting push rod installed on the top of the micro rotary motor.
[0007] Preferably, the width between the outer sides of the first limiting block and the second limiting block is equal to the width of the receiving plate, the width of the clamping limiting groove is one third of the width of the receiving plate, and the front sides of the first limiting block and the second limiting block are arc structures.
[0008] Preferably, an infrared probe is fixedly installed on the inner wall of the first limiting block, and the detection direction of the infrared probe is towards the center position of the clamping limiting groove.
[0009] Preferably, the movable cutter head is fixedly connected with the output end of the cutter head telescopic electric push rod through a stable limiting connecting body, and the angle between the outer end of the movable cutter head and the horizontal plane is 30-45 degrees.
[0010] Preferably, the harvesting push rod is an L-shaped rod structure capable of rotating around the axis of the micro rotary motor, the length of the horizontal rod on the upper part of the harvesting push rod is not less than the width of the clamping limiting groove, and the cutter head telescopic electric push rod is fixedly installed on the front side of the hopper through a support rod.
[0011] Preferably, the hopper is a square hopper structure with openings on the top and the rear side, the length of the receiving plate is equal to the length of the hopper, the receiving plate and the material blocking plate are perpendicularly installed, and the length of the material blocking plate is equal to the length of the horizontal receiving plate.
[0012] The utility model has the following positive effects: the movable cutter head capable of extending and retracting in the clamping limiting groove is used to automatically cut the tobacco stem clamped in the clamping limiting groove, the degree of mechanization is high, the degree of automation is high, the cutting support seat is used to support, after the tobacco stem is cut, the rotary harvesting push rod is used to push the tobacco stem towards the position above the receiving plate, and the receiving of the cut tobacco upper leaf and stem is realized. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a top view structural schematic diagram of the utility model.
[0014] Figure 2 It is a front view structural schematic diagram of the utility model.
[0015] Figure 3 It is a local enlarged structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.
[0017] In the following description of the application, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation. The term "connection" only means the connection between devices and has no special meaning.
[0018] As shown in Figure 1 , 2 , a tobacco upper leaf strip stem harvesting and cutting device, comprising a hopper 1, a receiving plate 2 installed on both sides of the top of the hopper, a material blocking plate 3 installed on the top of the outer side of the receiving plate 2, a first limiting block 4 and a second limiting block 9 are fixedly installed on the front side of the receiving plate 2, a clamping limiting groove 5 is arranged between the first limiting block 4 and the second limiting block 9, a movable cutter head 13 is fixedly installed on the inner wall of the first limiting block 4, a cutting support seat 14 is arranged on the inner wall of the second limiting block 9 and matched with the movable cutter head 13, a through hole is horizontally formed on the first limiting block 4, the inner end of the movable cutter head 13 is installed in the through hole, a cutter head telescopic electric push rod 6 is arranged outside the through hole, the output end of the cutter head telescopic electric push rod 6 is connected with the movable cutter head 13, a micro rotary motor 10 is longitudinally arranged on the top of the second limiting block 9, and a harvesting push rod 11 is installed on the top of the micro rotary motor 10.
[0019] The width between the outer side of the first limiting block 4 and the second limiting block 9 is equal to the width of the receiving plate 2, the width of the clamping limiting groove 5 is one third of the width of the receiving plate 2, and the front side of the first limiting block 4 and the second limiting block 9 are both arc structures. The inner wall of the first limiting block 4 is fixedly installed with an infrared probe 8, and the detection direction of the infrared probe 8 is towards the center position of the clamping limiting groove 5. The movable cutter head 13 is fixedly connected with the output end of the cutter head telescopic electric push rod 6 through the stable limiting connecting body 12, and the angle between the outer end of the movable cutter head 13 and the horizontal plane is 30-45 degrees.
[0020] The harvesting push rod 11 is an L-shaped rod structure capable of rotating around the axis of the micro rotary motor 10, the length of the upper horizontal rod of the harvesting push rod 11 is not less than the width of the clamping limiting groove 5, and the cutter head telescopic electric push rod 6 is fixedly installed on the front side of the hopper 1 through the support rod 7. The hopper 1 is a square hopper structure with openings on the top and the rear side, the length of the receiving plate 2 is equal to the length of the hopper 1, the receiving plate 2 and the material blocking plate 3 are installed perpendicularly, and the length of the material blocking plate 3 is equal to the length of the horizontal receiving plate 2.
[0021] When the product is running, the clamping limiting groove 5 is aligned with the tobacco stem position, the clamping limiting groove 5 clamps the tobacco stem at the upper leaf band stem cutting position of the flue-cured tobacco, the cutter head telescopic electric push rod 6 is turned on, the output end of the cutter head telescopic electric push rod 6 drives the movable cutter head 13 to cut the tobacco stem through the stable limiting connecting body 12, and the support body of the cutting support seat 14 during the cutting operation. When the tobacco stem cutting operation is running, the micro rotary motor 10 is started, the harvesting push rod 11 is driven to move towards the clamping limiting groove 5 position, pressure is applied above the tobacco stem cutting position, the tobacco stem cutting position is pushed, and when the cutting is completed, the upper leaf band stem of the flue-cured tobacco is poured onto the receiving plate 2, the cutting operation and the material receiving during harvesting are completed.
[0022] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A stem and leaf cutting device for upper leaf band harvesting of flue-cured tobacco, comprising a hopper (1), a receiving plate (2) installed on both sides of the top of the hopper, and a material blocking plate (3) installed on the top of the outer side of the receiving plate (2), characterized in that: The front side of the bearing plate (2) is fixedly provided with a first limiting block (4) and a second limiting block (9), a clamping limiting groove (5) is arranged between the first limiting block (4) and the second limiting block (9), a movable cutter head (13) is fixedly arranged on the inner wall of the first limiting block (4), a cutting support seat (14) is arranged on the inner wall of the second limiting block (9) and matched with the movable cutter head (13), a through hole is horizontally arranged on the first limiting block (4), the inner end of the movable cutter head (13) is arranged in the through hole, a cutter head telescopic electric push rod (6) is arranged outside the through hole, the output end of the cutter head telescopic electric push rod (6) is connected with the movable cutter head (13), a micro rotary motor (10) is longitudinally arranged on the top of the second limiting block (9), and a harvesting push rod (11) is arranged on the top of the micro rotary motor (10).
2. The tobacco upper leaf band stem harvesting severing apparatus of claim 1 wherein: The width between the outer sides of the first limiting block (4) and the second limiting block (9) is equal to the width of the bearing plate (2), the width of the clamping limiting groove (5) is one third of the width of the bearing plate (2), and the front sides of the first limiting block (4) and the second limiting block (9) are arc structures.
3. The tobacco upper leaf band stem harvesting severing apparatus of claim 1 wherein: The inner wall of the first limiting block (4) is fixedly provided with an infrared probe (8), and the detection direction of the infrared probe (8) faces the center position of the clamping limiting groove (5).
4. The tobacco top leaf band stem harvest severing apparatus of claim 1 wherein: The movable cutter head (13) is fixedly connected with the output end of the cutter head telescopic electric push rod (6) through a stable limiting connecting body (12), and the angle between the outer end of the movable cutter head (13) and the horizontal plane is 30-45 degrees.
5. The tobacco top leaf band stem harvest severing apparatus of claim 1 wherein: The harvesting push rod (11) is an L-shaped rod structure capable of rotating around the axis of the micro rotary motor (10), the length of the horizontal rod of the harvesting push rod (11) is not less than the width of the clamping limiting groove (5), and the cutter head telescopic electric push rod (6) is fixedly arranged on the front side of the hopper (1) through a support rod (7).
6. The tobacco top leaf band stem harvest severing apparatus of claim 1 wherein: The hopper (1) is a square bucket-shaped structure with openings on the top and the rear side, the length of the bearing plate (2) is equal to the length of the hopper (1), the bearing plate (2) and the material blocking plate (3) are arranged perpendicular to each other, and the length of the material blocking plate (3) is equal to the length of the horizontal bearing plate (2).