Laser skin breaking machine for liquorice seeds
By using a laser seed-breaking machine with a carbon dioxide laser and a vibrating plate system, the problem of easy damage to the seed embryo in existing technologies has been solved, achieving efficient and controllable seed-breaking of licorice seeds and improving the germination rate.
Patent Information
- Application Number
- CN202520500490.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-21
AI Technical Summary
In existing technologies, chemical and physical methods for damaging licorice seed coats pose a risk of damaging the embryo, resulting in low germination rates and poor controllability.
A laser seed-breaking machine is used, which combines a carbon dioxide laser and a vibratory feeder with a vision-based intelligent automatic feeder to control the licorice seeds to break the seed coat through the laser's action point, thus avoiding damage to the embryo and improving the germination rate.
It achieves controllable seed coat breaking, improves the germination rate of licorice seeds, avoids damage to the embryo, and has a highly efficient and controllable seed coat breaking effect.
Smart Images

Figure CN223928847U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of seed machinery and equipment technology, specifically a laser peeling machine for licorice seeds. Background Technology
[0002] Licorice seeds are the reproductive part of the licorice plant, and are flattened, round, or kidney-shaped with a smooth surface, and are greenish-brown or brownish-black in color. Their structure includes a hard seed coat, an internal embryo, and endosperm. The endosperm provides nutrients for seed germination and seedling growth. The hard seed coat of licorice seeds has a certain degree of water repellency, resulting in a low germination rate. Current technologies generally use two methods to damage the seed coat: chemical and physical. Chemical methods involve soaking the seed coat in sulfuric acid or other substances to thin it and improve germination rate. However, prolonged chemical soaking can damage the embryo, leading to insufficient germination. Physical methods mainly involve crushing, using rollers to crush the seed coat. However, this method also carries the risk of damaging the embryo. Both methods have low controllability, affecting the seed germination rate. Therefore, there is a need to develop a more controllable device to meet this requirement. Utility Model Content
[0003] To address the above technical problems, this utility model provides a laser peeling machine for licorice seeds.
[0004] To solve the above technical problems, the technical solution adopted by this utility model is as follows: a laser peeling machine for licorice seeds, including a hopper, a vibrating plate, and a laser. An automatic feeder is connected to the bottom of the hopper, and a feeding trough is connected to the outlet of the automatic feeder. The end of the feeding trough is located above the vibrating plate. A spiral seed channel is fixedly connected to the circumference of the vibrating plate. The seed channel gradually narrows towards the end. A laser stage extends from the end of the seed channel on the vibrating plate. The point of action of the laser is located on the laser stage. A carrier box is provided below the laser stage, including a controller. The vibrating plate and the laser are controlled by the controller.
[0005] Furthermore, the laser is a carbon dioxide laser, which includes a reflector and a laser cavity, with the laser cavity located above the reflector and the reflector located above the laser stage.
[0006] Furthermore, it includes a frame located above the vibratory feeder, and the laser is fixedly connected to the frame.
[0007] Furthermore, the automatic feeder is a vision-intelligent automatic feeder. A connecting rod is fixedly connected to the side of the hopper, and an intelligent camera is connected to the end of the connecting rod. The intelligent camera is located above the feeding trough. A conveyor belt is rotatably installed inside the automatic feeder. A feeding controller is installed inside the automatic feeder. The intelligent camera is communicatively connected to the feeding controller, and the conveyor belt is controlled by the feeding controller.
[0008] Furthermore, the bottom surface of the feeding trough is a linear vibrator.
[0009] Furthermore, the end diameter of the seed channel allows only one licorice seed to pass through, the edge of the vibrating plate is connected to an air duct, the air outlet of the air duct is located above the end of the seed channel, and the other end of the air duct is connected to a fan through an air pipe.
[0010] Furthermore, a first bracket is fixedly connected to the bottom of the automatic feeder, and a second bracket is fixedly connected to the bottom of the vibratory feeder.
[0011] Furthermore, both the first and second supports are lifting supports.
[0012] Furthermore, the hopper is provided with a seed door at the feeding trough, and the seed door is fixedly connected to both sides with slots. A material door is slidably connected in the slots, and a limit bolt is rotatably connected to the top of the material door.
[0013] This utility model has the following advantages compared with the prior art:
[0014] 1. This utility model is equipped with a hopper and an automatic feeder, which can continuously and evenly supply seeds. A vibrating plate is also provided, which uses vibration to move the seeds in the seed channel. The gradually narrowing seed channel can constrain the seeds to pass through the laser's point of action. The laser is used to break the seed coat and create an opening in the seed coat, making the breaking of the seed coat controllable and avoiding damage to the embryo, thereby improving the germination rate.
[0015] 2. This utility model uses a carbon dioxide laser, which has the advantages of high output power, good skin-breaking efficiency, strong working stability, and continuous operation.
[0016] 3. The automatic feeder of this utility model adopts a vision-based automatic feeder, which makes accurate judgments and can better determine whether there are seeds in the feeding trough, thus avoiding the risk of excessive seed accumulation or insufficient seed causing the feeder to run empty.
[0017] 4. This utility model is equipped with an air duct. When the seeds pass through the end of the seed channel, the excess seeds will be blown back into the vibrating plate, avoiding the problem of poor skin breaking effect caused by multiple seeds piling up together.
[0018] 5. This utility model is equipped with a liftable first support and a second support, which facilitates the adjustment of the height of the hopper and the vibratory feeder. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of this utility model.
[0020] Figure 2 This is a schematic diagram of the internal structure of this utility model.
[0021] Figure 3 This is a schematic diagram of the top structure of the vibratory feeder of this utility model.
[0022] Figure 4 This is a schematic diagram of the duct connection relationship of this utility model.
[0023] Figure 5 This is a schematic diagram of the automatic feeder structure of this utility model.
[0024] Figure 6 This is a schematic diagram of the material gate connection relationship of this utility model.
[0025] The components include: 1. hopper, 1a. slot, 2. feeding chute, 3. vibratory feeder, 3a. laser stage, 4. reflector, 5. laser cavity, 6. automatic feeder, 7. carrier box, 8. frame, 9. first support, 10. second support, 11. seed channel, 12. air duct, 13. conveyor belt, 14. connecting rod, 15. smart camera, 16. material gate, and 16a. limit bolt. Detailed Implementation
[0026] The present invention will be further described below with reference to the accompanying drawings.
[0027] like Figures 1-6 The laser peeling machine for licorice seeds shown includes a hopper 1, a vibrating plate 3, and a laser. An automatic feeder 6 is connected to the bottom of the hopper 1. A feeding trough 2 is connected to the outlet of the automatic feeder 6. The end of the feeding trough 2 is located above the vibrating plate 3. A spiral seed channel 11 is fixedly connected to the circumference of the vibrating plate 3. The seed channel 11 gradually narrows towards the end. A laser stage 3a extends from the vibrating plate 3 at the end of the seed channel 11. The laser's action point is located on the laser stage 3a. A carrier box 7 is provided below the laser stage 3a, including a controller. The vibrating plate 3 and the laser are controlled by the controller.
[0028] It should be noted that the vibratory feeder 3 is an existing device. In this embodiment, only the material channel on it has been changed according to the requirements. Its vibration structure, piezoelectric structure, voltage, power supply and other equipment have not been changed. Therefore, the detailed structure will not be described in detail.
[0029] To facilitate stable use of the laser, the laser is a carbon dioxide laser. The laser includes a reflector 4 and a laser cavity 5. The laser cavity 5 is located above the reflector 4, and the reflector 4 is located above the laser stage 3a.
[0030] It should be noted that this utility model does not change the structure of the carbon dioxide laser. Therefore, the specific structures of the focusing system, cooling system and other components inside the laser cavity are all existing technologies and can be purchased directly from the market. Therefore, their specific structures will not be described in detail here.
[0031] To support the laser, a frame 8 is included, which is located above the vibrating plate 3, and the laser is fixedly connected to the frame 8.
[0032] To control the feeding, the automatic feeder 6 is a vision-intelligent automatic feeder. A connecting rod 14 is fixedly connected to the side of the hopper 1, and an intelligent camera 15 is connected to the end of the connecting rod 14. The intelligent camera 15 is located above the feeding chute 2. A conveyor belt 13 is rotatably installed inside the automatic feeder 6. A feeding controller is installed inside the automatic feeder 6. The intelligent camera 15 is communicatively connected to the feeding controller, and the conveyor belt 13 is controlled by the feeding controller.
[0033] To facilitate stable material supply, the bottom surface of the feeding trough 2 is a linear vibrator.
[0034] It should be noted that both the visual intelligent automatic feeder and the linear vibrator are existing structures and can be purchased directly from the market.
[0035] To prevent seed accumulation, the end diameter of the seed channel 11 is only allowed to allow one licorice seed to pass through. The edge of the vibrating plate 3 is connected to the air duct 12, and the air outlet of the air duct 12 is located above the end of the seed channel 11. The other end of the air duct 12 is connected to the fan through an air pipe.
[0036] For ease of support, the bottom of the automatic feeder 6 is fixedly connected to a first bracket 9, and the bottom of the vibratory feeder 3 is fixedly connected to a second bracket 10.
[0037] To facilitate height adjustment, both the first support 9 and the second support 10 are lifting supports.
[0038] It should be noted that both the first support 9 and the second support 10 use one of the following lifting devices: hydraulic cylinder, linear electric cylinder, etc.
[0039] To facilitate material discharge control, a seed gate is provided at the feeding chute 2 in the hopper 1. The seed gate is fixedly connected to the two sides of the slot 1a, and the material gate 16 is slidably connected in the slot 1a. The top of the material gate 16 is rotatably connected to the limit bolt 16a.
[0040] The limiting bolt 16a is threadedly connected to the material gate 16. When fixing the material gate 16, the limiting bolt 16a is fixed to the material hopper 1 by tightening.
[0041] The specific working process of this utility model is as follows:
[0042] During operation, licorice seeds are placed into the hopper 1, the feed gate 16 is opened to the appropriate position and fixed with the limit bolt 16a. At this time, the linear vibrator at the bottom of the feeding trough 2 is turned on, and the licorice seeds move forward and fall into the vibrating plate 3. The vibrating plate 3 is turned on, and the licorice seeds will move along the seed channel 11 due to vibration, eventually moving to the laser stage 3a. At this time, the laser is turned on, and the reflector 4 and the laser cavity 5 work together to break the seed coat of the licorice seeds, thinning the seed coat and thus improving the germination rate. After breaking the seed coat, the seeds fall into the carrier box 7. In the above process, when multiple seeds enter the seed channel 11 at the beginning, when the seeds move to the end of the seed channel 11, the seed channel narrows, and only one seed can be broken by the laser. The excess seeds will be blown into the vibrating plate 3 by the air blown out of the air duct 12.
[0043] During the above process, the smart camera 15 monitors the situation inside the feeding trough 2. When there are no seeds in the feeding trough 2, the conveyor belt 13 inside the automatic feeder 6 is turned on to discharge the licorice seeds from the hopper 1.
[0044] During adjustment, the height of the hopper 1 is adjusted using the first support 9, and the height of the vibrating plate 3 is adjusted using the second support 10.
Claims
1. A laser seed-peeling machine for licorice seeds, characterized in that: The device includes a hopper (1), a vibratory feeder (3), and a laser. The bottom of the hopper (1) is connected to an automatic feeder (6), and the outlet of the automatic feeder (6) is connected to a feeding trough (2). The end of the feeding trough (2) is located above the vibratory feeder (3). A spiral seed channel (11) is fixedly connected around the vibratory feeder (3). The seed channel (11) gradually narrows towards the end. A laser stage (3a) extends from the vibratory feeder (3) at the end of the seed channel (11). The laser's action point is located on the laser stage (3a). A carrier box (7) is provided below the laser stage (3a), which includes a controller. The vibratory feeder (3) and the laser are controlled by the controller.
2. The laser seed-peeling machine for licorice seeds according to claim 1, characterized in that: The laser is a carbon dioxide laser, which includes a reflector (4) and a laser cavity (5). The laser cavity (5) is located above the reflector (4), and the reflector (4) is located above the laser stage (3a).
3. The laser peeling machine for licorice seeds according to claim 2, characterized in that: Includes a frame (8) located above the vibrating plate (3), and the laser is fixedly connected to the frame (8).
4. The laser seed-peeling machine for licorice seeds according to claim 1, characterized in that: The automatic feeder (6) is a visual intelligent automatic feeder. A connecting rod (14) is fixedly connected to the side of the hopper (1). A smart camera (15) is connected to the end of the connecting rod (14). The smart camera (15) is located above the feeding trough (2). A conveyor belt (13) is rotatably installed inside the automatic feeder (6). A feeding controller is installed inside the automatic feeder (6). The smart camera (15) is communicatively connected to the feeding controller. The conveyor belt (13) is controlled by the feeding controller.
5. The laser seed-peeling machine for licorice seeds according to claim 1, characterized in that: The bottom surface of the feeding trough (2) is a linear vibrator.
6. The laser seed-peeling machine for licorice seeds according to claim 1, characterized in that: The end diameter of the seed channel (11) is such that only one licorice seed can pass through. The edge of the vibrating plate (3) is connected to an air duct (12). The air outlet of the air duct (12) is located above the end of the seed channel (11). The other end of the air duct (12) is connected to the fan through an air pipe.
7. The laser seed-peeling machine for licorice seeds according to claim 1, characterized in that: The bottom of the automatic feeder (6) is fixedly connected to a first bracket (9), and the bottom of the vibrating plate (3) is fixedly connected to a second bracket (10).
8. The laser seed-peeling machine for licorice seeds according to claim 7, characterized in that: Both the first bracket (9) and the second bracket (10) are lifting brackets.
9. The laser seed-peeling machine for licorice seeds according to claim 1, characterized in that: The hopper (1) is provided with a seed door at the feeding trough (2). The seed door is fixedly connected to the two sides with slots (1a). A material door (16) is slidably connected in the slots (1a). A limit bolt (16a) is rotatably connected to the top of the material door (16).