Down feather screening device
By designing a down screening device that uses a rotating screening drum and scrapers to remove adhering down, the problem of filter clogging was solved, achieving efficient down screening and impurity removal.
Patent Information
- Application Number
- CN202520397137.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-08
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-08
AI Technical Summary
In existing equipment, wet down tends to stick to the filter screen during the down screening process, causing blockage and affecting screening efficiency and quality.
A down screening device was designed, which includes a screening mechanism, a rinsing mechanism, a discharge mechanism, and a drying mechanism. The device uses the rotation of the screening barrel and centrifugal force to remove impurities, and a scraper to remove adhering down. The screening efficiency and quality are improved by rinsing and drying.
It effectively prevents clogging of the screening barrel, improves the screening efficiency and quality of down, ensures the removal of impurities, and achieves efficient down processing.
Smart Images

Figure CN223793277U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to eiderdown processing technical field, concretely is a kind of eiderdown screening device. BACKGROUND
[0002] Eiderdown is the mixture of "feather" and "down", feather is feather piece, in eiderdown, can let eiderdown rebound quickly, and down is down bud, is the essence and value of eiderdown, down bud is three-dimensional spherical, and it is the bud structure that many down filaments are composed of the down core and radiate, similar to dandelion, down filament is by thousands of tiny scales superimposed, each scale is hollow.
[0003] The existing device puts eiderdown into screening box, then sends into washing water, and utilizes servo motor to drive stirring rod to rotate, to wash eiderdown, sand and soil attached on eiderdown fall from filter screen, eiderdown remains above filter screen, to facilitate screening sand and eiderdown, but the device does not have the kinetic energy of replacing filter screen.
[0004] As the screening device for eiderdown processing disclosed in the announcement No.CN218610266U, by setting L-shaped plate, pull rod, clamping block and spring, the filter screen can be installed and fixed under the action of L-shaped plate, pull rod, clamping block and spring, so as to achieve the purpose of being convenient for users to disassemble and replace when the filter screen is damaged.
[0005] But the device in the process of screening eiderdown, the wet eiderdown will adhere to the filter screen, causing the filter screen to be blocked, thereby affecting the screening efficiency and quality of eiderdown impurities.
[0006] Therefore, we urgently need to provide a kind of eiderdown screening device. UTILITY MODEL CONTENT
[0007] The utility model aims at providing a kind of eiderdown screening device to solve the problem that wet eiderdown will adhere to the filter screen in the process of screening eiderdown, causing the filter screen to be blocked, thereby affecting the screening efficiency and quality of eiderdown impurities.
[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of eiderdown screening device, including screening box, feed inlet and drain, the feed inlet is fixedly installed in the top left side of screening box, the drain is fixedly installed in the bottom of screening box, the inside and outside of screening box are provided with screening device, the screening device includes screening mechanism, flushing mechanism, discharge mechanism and drying mechanism.
[0009] The screening mechanism is arranged in the inside of screening box, the flushing mechanism is arranged on the back of screening box, the discharge mechanism is arranged on the right side of screening box, and the drying mechanism is arranged on the left side of screening box.
[0010] The screening mechanism comprises a supporting wheel, a screening barrel, a guide rail, a motor, an output shaft, a gear one, a gear two, a fixed shaft, a push rod, a scraper one and a scraper two, the supporting wheel is fixedly installed on the inner wall of the screening box, the screening barrel is arranged in the screening box, the guide rail is fixedly installed on the outer side of the screening barrel, the motor is fixedly installed on the top right side of the screening box, the output shaft is fixedly installed on the output end of the motor and extends into the screening box, the gear one is fixedly installed on the outer side of the lower end of the output shaft, the gear two is fixedly installed on the upper end of the outer side of the screening barrel, the fixed shaft is fixedly installed on the inner top of the screening box and is located in the screening barrel, the push rod is fixedly installed on the outer side of the fixed shaft, the scraper one is fixedly installed on the end of the push rod away from the fixed shaft, and the scraper two is fixedly installed on the bottom of the two push rods.
[0011] Preferably, the supporting wheel is rollingly connected in the guide rail, the screening barrel is supported and guided by the supporting wheel, a discharge port is installed at the bottom of the screening barrel, and electromagnetic valves are installed in the discharge port and the liquid discharge port to control the opening and closing of the discharge port and the liquid discharge port.
[0012] Preferably, the gear one and the gear two are engaged with each other, the scraper one and the scraper two are attached to the inner wall of the supporting wheel, the output shaft and the gear one are driven to rotate by starting the motor, the screening barrel is driven to rotate by the engagement of the gear one and the gear two, and the impurities in the down are thrown out under the action of centrifugal force, and the down attached to the inner wall of the screening barrel is scraped by the scraper one and the scraper two, so that the screening barrel is prevented from being blocked and the down screening efficiency and quality are improved.
[0013] Preferably, the flushing mechanism comprises a water tank, a pump body and a water injection pipe, the water tank is installed on the back of the screening box, the pump body is installed on the top of the water tank, and one end of the water injection pipe is connected to the output end of the pump body and the other end is communicated with the screening box.
[0014] Preferably, the discharge mechanism comprises a down collecting box, an air extractor, a filter screen and a material suction pipe, the down collecting box is installed on the right side of the screening box, the air extractor is installed on the right side of the down collecting box, the filter screen is installed in the down collecting box, and the material suction pipe is connected to the left side of the down collecting box.
[0015] Preferably, one end of the material suction pipe away from the down collecting box is connected with the screening box, when the down screening is completed, the down in the screening box is sucked into the down collecting box through the material suction pipe by starting the air extractor.
[0016] Preferably, the drying mechanism comprises a hot air machine and an air outlet pipe, the hot air machine is installed on the left side of the screening box, and the air outlet pipe is connected to the output end of the hot air machine.
[0017] Compared with the prior art, the down screening device has the advantages that:
[0018] 1. The down screening device, by setting the screening mechanism, when the screening barrel rotates, the clean water flushes the down in the screening barrel, removes the dust in the down, and under the action of centrifugal force, the dust impurities are more easily thrown out, and the down attached to the inner wall of the screening barrel is scraped off by the scraper 1 and the scraper 2, thereby preventing the screening barrel from being blocked, improving the down screening efficiency and quality.
[0019] 2. The down screening device, by setting the discharging mechanism, by opening the air suction machine, the down in the screening box is sucked into the down collecting box through the suction pipe, and the down is discharged. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the overall structure schematic view of the utility model;
[0021] Figure 2 It is the overall structure rear view of the utility model;
[0022] Figure 3 It is the internal structure sectional view of the screening box of the utility model;
[0023] Figure 4 It is the internal structure schematic view of the screening barrel of the utility model;
[0024] Figure 5 It is the structure schematic view of the discharging mechanism of the utility model.
[0025] In the drawing: 1, screening box; 2, feed inlet; 3, liquid discharge port; 401, support wheel; 402, screening barrel; 403, guide rail; 404, motor; 405, output shaft; 406, gear one; 407, gear two; 408, fixed shaft; 409, lever; 410, scraper one; 411, scraper two; 501, water tank; 502, pump body; 503, water injection pipe; 601, down collecting box; 602, air suction machine; 603, filter screen; 604, suction pipe; 701, hot air machine; 702, air outlet pipe. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0027] Embodiment one:
[0028] Based on the existing prior art in the process of screening down, the wet down will adhere to the filter screen, causing the filter screen to be blocked, thereby affecting the efficiency and quality of the down impurity screening. Please refer to Figures 1-5 The embodiment provides a down screening device which can prevent the screening barrel from being blocked and improve the down screening efficiency and quality. The down screening device comprises a screening box 1, a feeding port 2 and a liquid discharge port 3. The feeding port 2 is fixedly installed at the top left side of the screening box 1, and the liquid discharge port 3 is fixedly installed at the bottom of the screening box 1. The screening box 1 is internally and externally provided with a screening device. The screening device comprises a screening mechanism, a flushing mechanism, a discharging mechanism and a drying mechanism.
[0029] The screening mechanism is arranged in the screening box 1, the flushing mechanism is arranged at the back of the screening box 1, the discharging mechanism is arranged at the right side of the screening box 1, and the drying mechanism is arranged at the left side of the screening box 1.
[0030] The screening mechanism comprises a supporting wheel 401, a screening barrel 402, a guide rail 403, a motor 404, an output shaft 405, a gear one 406, a gear two 407, a fixed shaft 408, a stirring rod 409, a scraper one 410 and a scraper two 411. The supporting wheel 401 is fixedly installed on the inner wall of the screening box 1. The screening barrel 402 is arranged in the screening box 1. The supporting wheel 401 is rollingly connected in the guide rail 403. The supporting wheel 401 supports and guides the screening barrel 402. The bottom of the screening barrel 402 is provided with a discharging port. The discharging port and the liquid discharge port 3 are internally provided with electromagnetic valves. The electromagnetic valves control the opening and closing of the discharging port and the liquid discharge port 3. The guide rail 403 is fixedly installed on the outer side of the screening barrel 402. The motor 404 is fixedly installed at the top right side of the screening box 1. The output shaft 405 is fixedly installed at the output end of the motor 404 and extends into the screening box 1. The gear one 406 is fixedly installed at the lower end of the output shaft 405. The gear two 407 is fixedly installed at the upper end of the outer side of the screening barrel 402. The gear one 406 and the gear two 407 are meshed with each other. The scraper one 410 and the scraper two 411 are attached to the inner wall of the supporting wheel 401. The motor 404 drives the output shaft 405 and the gear one 406 to rotate. The gear one 406 and the gear two 407 drive the screening barrel 402 to rotate under the meshing effect. The impurities in the down can be thrown out under the action of centrifugal force. The down attached to the inner wall of the screening barrel 402 is scraped by the scraper one 410 and the scraper two 411, thereby preventing the screening barrel 402 from being blocked, improving the down screening efficiency and quality. The fixed shaft 408 is fixedly installed at the top of the screening box 1 and located in the screening barrel 402. The stirring rod 409 is fixedly installed on the outer side of the fixed shaft 408. The stirring rod 409 stirs the down, preventing the down from being accumulated together and improving the screening quality of the down and the impurities. The scraper one 410 is fixedly installed at the end of the stirring rod 409 away from the fixed shaft 408. The scraper two 411 is fixedly installed at the bottom of the two stirring rods 409.
[0031] In order to improve the screening quality of down impurities, the down needs to be washed, so the device is also provided with a washing mechanism, the washing mechanism includes a water tank 501, a pump body 502 and a water injection pipe 503, the water tank 501 is installed on the back of the screening box 1, the pump body 502 is installed on the top of the water tank 501, the pump body 502 provides power for the flow of water, one end of the water injection pipe 503 is connected to the output end of the pump body 502, and the other end is communicated with the screening box 1.
[0032] In order to facilitate the discharge of down, the device is also provided with a discharge mechanism, the discharge mechanism includes a down collecting box 601, an air extractor 602, a filter screen 603 and a suction pipe 604, the down collecting box 601 is installed on the right side of the screening box 1, the air extractor 602 is installed on the right side of the down collecting box 601, the filter screen 603 is installed inside the down collecting box 601, and the suction pipe 604 is connected to the left side of the down collecting box 601. The filter screen 603 filters the down, so that the down stays in the down collecting box 601, the air is discharged from the top of the down collecting box 601, and the end of the suction pipe 604 away from the down collecting box 601 is connected with the screening box 1. When the down screening is completed, the down in the screening box 1 is sucked into the down collecting box 601 through the suction pipe 604 by starting the air extractor 602 to collect.
[0033] Example two:
[0034] Based on example one, please refer to Figures 1-3 After screening the down, water remains on the surface of the down, so the down needs to be dried, so the device is also provided with a drying mechanism, the drying mechanism includes a hot air blower 701 and an air outlet pipe 702, the hot air blower 701 is installed on the left side of the screening box 1, and the air outlet pipe 702 is connected to the output end of the hot air blower 701.
[0035] In use, the down to be screened is poured into the screening barrel 402 from the feeding port 2, then the pump body 502 is started to inject clean water into the screening box 1, and then the motor 404 is started to drive the output shaft 405 and the gear one 406 to rotate, and the gear one 406 and the gear two 407 are engaged to drive the screening barrel 402 to rotate. When the screening barrel 402 rotates, the clean water in the screening barrel 402 is washed, the dust in the down is removed, and under the action of centrifugal force, the dust and impurities are more easily thrown out. The down adhering to the inner wall of the screening barrel 402 is scraped off by the scraper one 410 and the scraper two 411, so as to prevent the screening barrel 402 from being blocked and improve the screening efficiency and quality of the down. After screening is completed, the liquid outlet 3 is opened to discharge the waste liquid, then the hot air blower 701 is started to blow hot air into the screening box 1 to dry the down, and under the action of centrifugal force, the water in the down is thrown out to improve the drying efficiency. After drying is completed, the discharge port at the bottom of the screening barrel 402 is opened, and the air extractor 602 is started to suck the down in the screening box 1 into the down collecting box 601 through the suction pipe 604, so as to complete the screening of the down.
[0036] It has to be noted that, in the present document, the terms "comprising", "including", and "having" should be interpreted as specifying the presence of the stated features but not precluding the presence of one or more other features. It should also be noted that, in the present document, the term "coupled" or "connected" or "couplable" or "connectable" should not be interpreted as being confined to direct connections only. Thus, the term "coupled" or "connected" or "couplable" or "connectable" can refer to two or more elements that are either in direct contact, or as described herein with respect to the permitted intermediary devices. Moreover, the term "coupled" or "connected" or "couplable" or "connectable" can also refer to two or more elements that together with one or more other elements interact with each other or with the one or more other elements. Further, the term "coupled" or "connected" or "couplable" or "connectable" can also refer to two or more elements that do not interact with each other but that are part of the same article.
Claims
1. A down feather screening device, comprising a screening box (1), a feeding port (2) and a liquid discharge port (3), wherein the feeding port (2) is fixedly installed on the left side of the top of the screening box (1), and the liquid discharge port (3) is fixedly installed on the bottom of the screening box (1), characterized in that: The screening box (1) is internally and externally provided with screening devices, which include a screening mechanism, a flushing mechanism, a discharging mechanism and a drying mechanism; The screening mechanism is arranged inside the screening box (1), the flushing mechanism is arranged on the back of the screening box (1), the discharging mechanism is arranged on the right side of the screening box (1), and the drying mechanism is arranged on the left side of the screening box (1); The screening mechanism comprises a supporting wheel (401), a screening barrel (402), a guide rail (403), a motor (404), an output shaft (405), a gear one (406), a gear two (407), a fixed shaft (408), a lever (409), a scraper one (410) and a scraper two (411), the supporting wheel (401) is fixedly installed on the inner wall of the screening box (1), the screening barrel (402) is arranged inside the screening box (1), the guide rail (403) is fixedly installed on the outside of the screening barrel (402), the motor (404) is fixedly installed on the top right side of the screening box (1), the output shaft (405) is fixedly installed on the output end of the motor (404) and extends into the inside of the screening box (1), the gear one (406) is fixedly installed on the outside of the lower end of the output shaft (405), the gear two (407) is fixedly installed on the upper end outside of the screening barrel (402), the fixed shaft (408) is fixedly installed on the top inside of the screening box (1) and located inside the screening barrel (402), the lever (409) is fixedly installed on the outside of the fixed shaft (408), the scraper one (410) is fixedly installed on one end of the lever (409) away from the fixed shaft (408), and the scraper two (411) is fixedly installed on the bottom of the two levers (409) on the lower end.
2. A device for separating down according to claim 1, characterized in that: The supporting wheel (401) is rollingly connected inside the guide rail (403), the screening barrel (402) is provided with a discharge port on the bottom, and the discharge port and the inside of the liquid discharge port (3) are provided with electromagnetic valves.
3. A device according to claim 1, wherein: The gear one (406) and the gear two (407) are engaged with each other, and the scraper one (410) and the scraper two (411) are attached to the inner wall of the supporting wheel (401).
4. A device according to claim 1, wherein: The flushing mechanism comprises a water tank (501), a pump body (502) and a water injection pipe (503), the water tank (501) is arranged on the back of the screening box (1), the pump body (502) is arranged on the top of the water tank (501), one end of the water injection pipe (503) is connected to the output end of the pump body (502), and the other end is communicated with the screening box (1).
5. A device according to claim 1, wherein: The discharging mechanism comprises a wool collecting box (601), an air extractor (602), a filter screen (603) and a suction pipe (604), the wool collecting box (601) is arranged on the right side of the screening box (1), the air extractor (602) is arranged on the right side of the wool collecting box (601), the filter screen (603) is arranged inside the wool collecting box (601), and the suction pipe (604) is connected to the left side of the wool collecting box (601).
6. A device according to claim 5, wherein: One end of the suction pipe (604) away from the wool collecting box (601) is connected with the screening box (1).
7. A device according to claim 1, wherein: The drying mechanism comprises a hot air blower (701) and an air outlet pipe (702), the hot air blower (701) is installed on the left side of the screening box (1), and the air outlet pipe (702) is connected to the output end of the hot air blower (701).