Collecting device for melon seed color selection and screening device
By using a V-shaped trough, feeding pipe, valve, and negative pressure dust removal mechanism in the sunflower seed color sorting and screening device, combined with a material level monitoring and alarm mechanism, the problem of dust overflow was solved, ensuring the sorting accuracy of the color sorter and environmental protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TAIKANG COUNTY GUOYUAN FOOD DEVELOPMENT CO LTD
- Filing Date
- 2025-06-17
- Publication Date
- 2026-07-07
AI Technical Summary
In the process of collecting sunflower seeds, dust easily overflows when the collection box is opened for cleaning or replacement in existing color sorters, polluting the environment and affecting the health of operators. At the same time, the conventional dust suction method causes negative pressure to interfere with air pressure, affecting sorting accuracy.
Design a collection device for a sunflower seed color sorting and screening device. It adopts a V-shaped trough, a feeding pipe, valves and a negative pressure dust removal mechanism. Combined with a through-beam sensor to monitor the material level and a buzzer alarm connected to a microcontroller, it prevents dust from overflowing and stabilizes the air pressure.
It effectively prevents dust from overflowing, protects the environment and health, avoids air pressure changes from affecting sorting accuracy, and ensures the normal operation of the color sorter.
Smart Images

Figure CN224463244U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sunflower seed color sorting machine technology, specifically to a collection device for sunflower seed color sorting and screening equipment. Background Technology
[0002] A color sorter is a device that automatically sorts out discolored particles from granular materials based on the differences in their optical properties using photoelectric detection technology. Specifically, when a CCD sensor detects a discolored particle, an air jet valve or air gun blows the discolored particle away by blowing air.
[0003] Related technologies, such as the multi-layer screening device for color sorters disclosed in CN110052400A, include a color sorter, a switching device, and a slanted trough screening device; a chute, a light source, a CCD sensor, a background plate, and a switching device are respectively arranged below the air valve on the color sorter; the switching device is electrically connected to the control system of the color sorter; and a finished product collection device and a box of finished products to be inspected are fixed below the switching device.
[0004] However, in actual production applications, the aforementioned color sorters still have some problems that urgently need to be solved. Taking sunflower seed processing as an example, during the sunflower seed collection process, when the finished product collection box is full, it needs to be opened for cleaning or replacement. But at the moment the collection box is opened, dust inside the equipment is prone to overflow, which not only pollutes the production environment but may also affect the health of the operators.
[0005] To address the issue of dust overflow, the conventional approach is to use a vacuum cleaner to remove the dust. However, vacuum cleaners generate negative pressure during operation, which can interfere with the air pressure inside the color sorter. Since the color sorter relies on a stable air pressure environment to ensure that the air jet valve can accurately blow out sunflower seeds of specific colors, the interference of negative pressure causes unstable airflow in the air jet valve. Consequently, sunflower seeds of specific colors cannot pass through the air jet valve properly and be sorted out, severely affecting the sorting accuracy and product quality of the color sorter.
[0006] Therefore, how to effectively solve the problem of dust overflow during the collection of sunflower seeds while ensuring the normal sorting function of the color sorter has become a technical problem that urgently needs to be solved in the field of color sorter technology. Utility Model Content
[0007] The purpose of this utility model is to provide a collection device for a sunflower seed color sorting and screening device, so as to solve the problems that when the existing color sorter opens the collection box for cleaning or replacement during the sunflower seed collection process, dust easily overflows and pollutes the environment, affecting the health of personnel, and the negative pressure generated by conventional dust collection methods will interfere with the air pressure inside the color sorter and affect the sorting accuracy.
[0008] This utility model provides the following technical solution: a collection device for a sunflower seed color sorting and screening device, including a color sorting shell for installation on a color sorter, a partition in the middle of the color sorting shell, the partition dividing the color sorting shell into a first color sorting channel and a second color sorting channel, and a collection chamber at the bottom of the first color sorting channel and the second color sorting channel respectively;
[0009] The bottom of the collection chamber is fixed with a V-shaped groove, and the lower end of the V-shaped groove is provided with a discharge port. A discharge pipe is fixed to the lower end of the V-shaped groove. The discharge port is located at the upper end of the discharge pipe, and the width of the discharge port is smaller than the width of the discharge pipe. A valve is provided on the side of the discharge pipe at the bottom of the discharge port, and a negative pressure dust removal mechanism is provided on the side of the discharge pipe below the valve.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: The collection device of this utility model for a sunflower seed color sorting and screening device effectively prevents dust from overflowing when cleaning the collection chamber by setting a V-shaped groove, a feeding pipe, a valve and a negative pressure dust removal mechanism at the bottom of the collection chamber. At the same time, it uses two sets of through-beam sensors to monitor the material level, avoiding the impact of changes in the internal air pressure of the color sorter on the sorting accuracy. In addition, when the material level is abnormal, a buzzer is connected to the single-chip microcomputer to sound an alarm, thus solving the problem of dust overflow while ensuring the normal sorting function of the color sorter. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of this utility model.
[0012] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A in the middle.
[0013] Figure 3 This is a three-dimensional structural diagram of the present invention. Detailed Implementation
[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0015] Please see Figure 1-3This utility model discloses a collection device for a color sorting and screening device for sunflower seeds, including a color sorting housing 2 for installation on a color sorter. A partition 10 is fixedly provided in the middle of the color sorting housing 2, which divides the color sorting housing 2 into a first color sorting channel 1 and a second color sorting channel 11. A collection chamber 4 is provided at the bottom of the first color sorting channel 1 and the second color sorting channel 11, and a nozzle 13 is provided at the upper end of the second color sorting channel 11. The above is the structure of an existing color sorter. The principle can be referred to the multi-layer screening device for a color sorter disclosed in CN110052400A, which will not be described in detail here.
[0016] Existing color sorters generate a lot of dust inside the machine when sorting sunflower seeds, and dust easily overflows when cleaning the sunflower seeds in the collection chamber 4. To solve the above problems, the main innovation of this utility model is as follows:
[0017] A V-shaped groove 5 is fixed at the bottom of the collecting chamber 4. A feeding port 14 is provided through the lower end of the V-shaped groove 5. The V-shaped structure of the V-shaped groove 5 facilitates the automatic collection of sunflower seeds into the feeding port 14 when they are fed. A feeding pipe 8 is fixed at the lower end of the V-shaped groove 5. The feeding port 14 is located at the upper end of the feeding pipe 8, and the width of the feeding port 14 is smaller than the width of the feeding pipe 8. This allows for a relatively large gap between the sunflower seeds and the inner wall of the feeding pipe 8 when the seeds enter the feeding pipe 8 through the feeding port 14. A valve 7 is provided on the side of the feeding pipe 8 at the bottom of the feeding port 14. A negative pressure dust removal mechanism 9 is provided on the side of the feeding pipe 8 below the valve 7. The negative pressure dust removal mechanism 9 generates negative pressure on the side of the feeding pipe 8. As the sunflower seeds enter the feeding pipe 8 through the feeding port 14 and are discharged downward, the dust generated is drawn away by the negative pressure dust removal mechanism 9, thus preventing dust from overflowing.
[0018] Furthermore, in order to facilitate the monitoring of the material level in the collection chamber 4, through-beam sensors 3 are fixedly installed on both sides of the inner wall of the collection chamber 4 near the upper end. The through-beam sensors 3 are existing technology and consist of two parts: a transmitter and a receiver. The transmitter emits a light beam, and the receiver receives the light emitted from the transmitter. When the material level rises and blocks the light beam, the light beam is blocked. After the receiver detects the change in the light signal, it will trigger the sensor to make a corresponding response, such as outputting a switch signal or a change in the electrical signal.
[0019] Furthermore, due to the presence of a negative pressure dust removal mechanism 9, the air pressure inside the collection chamber 4 changes when the sunflower seeds in the collection chamber 4 are emptied. To prevent the air pressure inside the color sorter from changing due to the sunflower seeds being emptied at the bottom of the collection chamber 4, two sets of through-beam sensors 3 are installed inside the collection chamber 4. Another set of through-beam sensors 3 is installed on the inner wall of the collection chamber 4 near the lower end. When the amount of sunflower seeds in the collection chamber 4 is lower than the beam of the through-beam sensor 3, the beam is no longer blocked. After the receiver detects the change in the light signal, it will trigger the sensor to respond accordingly, reminding the staff not to continue feeding.
[0020] The lower end of the color sorting housing 2 is fixed with a support foot 6.
[0021] Valve 7 is a manual slide gate valve. The slide gate can be manually pulled out from the side of the feed pipe 8 to allow the sunflower seeds to enter the feed pipe 8.
[0022] The negative pressure dust removal mechanism 9 includes a dust suction pipe 91 connected to the side of the feed pipe 8. The end of the dust suction pipe 91 away from the feed pipe 8 is connected to an exhaust fan 95, and a filter mechanism is installed on the dust suction pipe 91.
[0023] The filtration mechanism includes a filter box 92 connected to the suction pipe 91. The filter box 92 is equipped with a filter screen 93, which can be placed directly inside the filter box 92. The upper end of the filter box 92 is connected to a cover 94. When the external power supply of the exhaust fan 95 is turned on, the exhaust fan 95 draws dust into the filter box 92 and filters it through the filter screen 93. When the filter screen 93 needs to be cleaned, the cover 94 is opened and the filter screen 93 is taken out for cleaning.
[0024] In some embodiments, the cover 94 is threaded to the upper end of the filter box 92.
[0025] The color sorting housing 2 is equipped with a microcontroller 12, which is connected to the through-beam sensor 3. The microcontroller 12 can also be connected to a buzzer (not shown in the figure). When the microcontroller 12 detects a change in the signal transmitted from the through-beam sensor 3, it will sound an alarm through the buzzer.
[0026] It is worth noting that the microcontroller 12 disclosed in the above embodiments is specifically model GD32F103. The through-beam sensor 3 and the exhaust fan 95 can be freely configured according to the actual application scenario. It is recommended to use GSE6-N4112 for the through-beam sensor 3 and a 4-72 type centrifugal fan for the exhaust fan 954.
[0027] In summary, this utility model aims to achieve efficient collection and sorting of sunflower seeds by a color sorting and screening device that effectively prevents dust from overflowing and polluting the production environment and endangering personnel health, while also avoiding negative pressure caused by dust removal interfering with the internal air pressure of the color sorter and affecting sorting accuracy. Through material level monitoring and alarm mechanisms, the device ensures stable operation of the equipment, achieving a comprehensive improvement in dust removal, sorting, and equipment stability.
[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A collecting device for a sunflower seed color sorting and sieving apparatus, comprising a color sorting housing for mounting on a color sorter, wherein a partition is provided in the middle of the color sorting housing to divide the color sorting housing into a first color sorting channel and a second color sorting channel, and a collecting chamber is provided at the bottom of the first color sorting channel and the second color sorting channel, characterized in that: The bottom of the collection chamber is fixed with a V-shaped groove, and the lower end of the V-shaped groove is provided with a discharge port. A discharge pipe is fixed to the lower end of the V-shaped groove. The discharge port is located at the upper end of the discharge pipe, and the width of the discharge port is smaller than the width of the discharge pipe. A valve is provided on the side of the discharge pipe at the bottom of the discharge port. A negative pressure dust removal mechanism is provided on the side of the discharge pipe below the valve.
2. The collecting device for a color sorting and sieving device for sunflower seeds as described in claim 1, characterized in that: The inner walls of the collection chamber are fixed with through-beam sensors on both sides.
3. The collecting device for a color sorting and sieving device for sunflower seeds as described in claim 1, characterized in that: The lower end of the color sorting housing is fixed with a support foot.
4. The collecting device for a color sorting and sieving device for sunflower seeds as described in claim 1, characterized in that: The valve is a manual slide gate valve.
5. A collecting device for a color sorting and sieving device for sunflower seeds as described in claim 1, characterized in that: The negative pressure dust removal mechanism includes a dust suction pipe connected to the side of the feed pipe. The end of the dust suction pipe away from the feed pipe is connected to an exhaust fan, and a filter mechanism is installed on the dust suction pipe.
6. A collecting device for a color sorting and sieving device for sunflower seeds as described in claim 5, characterized in that: The filtration mechanism includes a filter box connected to the suction pipe, a filter screen is provided inside the filter box, and a box cover is connected to the upper end of the filter box.
7. A collecting device for a color sorting and sieving device for sunflower seeds as described in claim 6, characterized in that: The cover is threaded to the upper end of the filter box.
8. A collecting device for a color sorting and sieving device for sunflower seeds as described in claim 2, characterized in that: A microcontroller is fixed to the color sorting housing.
Citation Information
Patent Citations
Multi-layered screening device for color sorter
CN110052400A