Screening equipment for down feather processing

By combining a double-layer screen and a suction fan system, the problems of down damage and impurity removal in down screening equipment are solved, achieving efficient down screening and ensuring the purity and fluffiness of the down.

CN223576669UActive Publication Date: 2025-11-21LUAN LIHUA YUYE CO LTD
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Patent Information

Application Number
CN202423056585.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-21
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing down screening equipment is prone to damaging down during the breaking-up process, resulting in a decrease in loft and difficulty in effectively removing small particles of dust and impurities.

Method used

It adopts a double-layer screen structure, combined with vibration and suction fan. Large particles of impurities are removed through the first screen, and fine dust and impurities are removed through the second screen and suction fan system. A micro motor drives a reciprocating screw to vibrate the screen, and the impurities are collected through the suction fan and guide pipe.

Benefits of technology

It achieves efficient and precise screening of down, removes large and small impurities, maintains the integrity and purity of down, and improves the quality and loft of down.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223576669U_ABST
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Abstract

The utility model relates to the technical field of down feather processing, and discloses a screening device for down feather processing, which comprises a first screening box, a second screening box is fixedly arranged on the top of one side of the first screening box, a first screen is arranged on the inner wall of the first screening box, and a second screen is arranged at the bottom of the inner wall of the second screening box. A penetrating groove is formed in the middle of the side, close to the second screening box, of the first screening box, one side of the top of the first screening net and the other side of the bottom of the second screening net are both slidably connected with the inner wall of the penetrating groove, and an impurity collecting box is fixedly installed on the back face of the second screening box. The first screen can screen hard impurities such as stones in the vibration process, the second screen can screen small-particle dust and the like, large-particle impurities are removed, and fine particles can be effectively separated through cooperation of the second screen, the suction fan, the flow guide pipe, the flow dividing pipe and the adsorption hopper.
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Description

TECHNICAL FIELD

[0001] The utility model relates to down processing technical field, especially a kind of screening equipment for down processing. BACKGROUND

[0002] Down is the soft feather of the chest and abdomen of birds, especially waterfowl, usually more fine and soft than ordinary feathers, with excellent thermal performance, so it is widely used in fillers, such as down quilt, down jacket, sleeping bag, etc., down is mainly composed of shaft, branch and feather fluff, and the most important part is the fluff part of the feather, which is very small, soft and elastic, can form many small gaps, effectively locking air to achieve the effect of heat preservation, a screening device is needed in down processing.

[0003] In the patent with announcement number CN 220788883 U, a down screening machine is disclosed, the screening box includes a box body arranged at the low end of the scattering mechanism, a scattering cavity is arranged inside the box body, a screening plate is arranged inside the box body, a chute is arranged on one side of the box body, and a fan is arranged at the low end of the box body. The utility model connects the screening box with the scattering mechanism, so that the down is scattered during the down screening process, which facilitates screening. The switch plate, the screening box and the feed inlet are combined, which facilitates cleaning and maintenance of the device after screening. The discharge port and the blast pipe cooperate to facilitate the blowing out of the screened and dried down.

[0004] Although the down can be scattered and screened by the scattering mechanism in the above-mentioned technology, the structure of the down itself may be damaged to some extent during the scattering process, which may cause the down to be torn and broken, thus reducing the loftiness of the down in the subsequent process. In addition, small particles of dust and impurities on the feather are also difficult to remove, thus limiting the use of the device. Therefore, innovation is needed in this technology. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a screening device for down processing 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 scheme: a screening device for down processing, comprising a first screening box, a second screening box is fixedly installed on the top of one side of the first screening box, a first screen is arranged on the inner wall of the first screening box, a second screen is arranged on the bottom of the inner wall of the second screening box, a through slot is formed in the middle of the side of the first screening box close to the second screening box, one side of the top of the first screen and the other side of the bottom of the second screen are both in sliding connection with the inner wall of the through slot, a impurity collection box is fixedly installed on the back of the second screening box, a suction fan is installed on the back of the impurity collection box, and the input end of the suction fan is fixedly penetrated with the inside of the impurity collection box.

[0007] As a preferred technical scheme of the utility model, the other side of the first screen mesh is movably penetrated with the inner wall of the first screening box, and one side of the second screen mesh is movably penetrated with the inner wall of the second screening box.

[0008] As a preferred technical scheme of the utility model, the middle part of the inner wall of the first screening box and the second screening box on the side close to each other is fixedly installed with two fixed blocks, and reciprocating screw rods are rotatably installed between the two adjacent fixed blocks, and the outer wall of the two reciprocating screw rods is fixedly connected with a threaded sleeve, and the top end of the two threaded sleeves is fixedly installed with two corners of the bottom end of the first screen mesh, and the bottom end of the two threaded sleeves is fixedly installed with two corners of the top end of the second screen mesh.

[0009] As a preferred technical scheme of the utility model, one end of the two reciprocating screw rods is penetrated through the corresponding fixed block and is fixedly connected with an extension shaft, a belt is sleeved between the two extension shafts, and a micro motor is fixedly installed on one side of the fixed block, and the output end of the micro motor is fixedly connected with one end of one of the extension shafts.

[0010] As a preferred technical scheme of the utility model, the top of the impurity collecting box close to the side of the second screening box is fixedly penetrated with a flow guide pipe, one end of the flow guide pipe is fixedly penetrated with a shunt pipe, the outer wall of the shunt pipe is fixedly penetrated with a plurality of adsorption hoppers, and the bottom end of the plurality of adsorption hoppers is fixedly penetrated with the top of the second screening box.

[0011] As a preferred technical scheme of the utility model, the top of the second screening box is fixedly installed with a supporting frame on both sides, and the two ends of the shunt pipe are fixedly connected between the adjacent supporting frames.

[0012] As a preferred technical scheme of the utility model, the top of the inner wall of the second screening box is fixedly installed with a shielding net, and the shielding net is located directly below the adsorption hopper.

[0013] As a preferred technical scheme of the utility model, the side, away from the second screening box, of the first screening box is fixedly installed with a fan, the output end of the fan is fixedly penetrated with an air outlet, and one end of the air outlet is penetrated through the inside of the first screening box.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The first screen is arranged to screen hard impurities such as stones during vibration, the second screen is arranged to screen small particles such as dust, in addition to removing large particles, the cooperation of the second screen, the air suction fan, the flow guide pipe, the flow distribution pipe and the adsorption hopper can also effectively separate small particles, through vibration, dust, small feathers, fibers and other small impurities in the down can be separated from the down, these small impurities can be taken away with air flow, the suction of the air suction fan can quickly adsorb the dust and impurities, and the purity of the down is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structure schematic view of the utility model;

[0017] Fig. 2 It is a sectional structure schematic view of the utility model;

[0018] Fig. 3 It is a local view structure schematic view of the utility model.

[0019] In the drawing: 1, first screening box; 2, second screening box; 3, first screen; 4, second screen; 5, through slot; 6, fixed block; 7, reciprocating screw rod; 8, threaded sleeve; 9, micro motor; 10, shielding net; 11, fan; 12, air outlet; 13, impurity collection box; 14, air suction fan; 15, flow guide pipe; 16, flow distribution pipe; 17, adsorption hopper. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, 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 fall within the scope of protection of the utility model.

[0021] In down processing, screening equipment needs to be used, the utility model provides a kind of screening equipment for down processing, it is specially used for the screening operation of down, compared with the down screening machine of CN 220788883 U, the device adopts the vibration mode of first screen and second screen, can effectively accurately screen down according to particle size, weight and shape, ensure that large particle impurities (such as sand, stone) are completely removed, can also remove relatively small impurities (such as dust and small feather), and vibration will not damage the integrity of down, so as to improve its quality and bulkiness. EMBODIMENT

[0022] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme:

[0023] The application discloses a screening device for down processing, which comprises a first screening box 1, a second screening box 2 fixedly installed on the top of one side of the first screening box 1, a first screen 3 arranged on the inner wall of the first screening box 1, a second screen 4 arranged on the bottom of the inner wall of the second screening box 2, a through groove 5 arranged in the middle of the side of the first screening box 1 close to the second screening box 2, the inner wall of the through groove 5 being slidably connected with one side of the top of the first screen 3 and the other side of the bottom of the second screen 4, a foreign matter collecting box 13 fixedly installed on the back of the second screening box 2, a suction fan 14 installed on the back of the foreign matter collecting box 13, the input end of the suction fan 14 being fixedly penetrated into the inside of the foreign matter collecting box 13, the other side of the first screen 3 being movably penetrated into the inner wall of the first screening box 1, one side of the second screen 4 being movably penetrated into the inner wall of the second screening box 2, the vibration of the first screen 3 can quickly screen out the larger impurities such as stones and sand in the down, so that the quality of the down is not affected by the mixing of the impurities, the process makes the down purer, and the interference in the subsequent processing is reduced, the vibration of the second screen 4 can separate the fine dust and impurities mixed in the down from the down, and the dust and impurities can be quickly adsorbed by the suction force of the foreign matter collecting box 13, so that the purity of the down is ensured.

[0024] In the embodiment, two fixed blocks 6 are fixedly installed in the middle of the side of the inner wall of the first screening box 1 and the second screening box 2 close to each other, a reciprocating screw rod 7 is rotatably installed between the two adjacent fixed blocks 6, a threaded sleeve 8 is threadedly connected to the outer wall of the reciprocating screw rod 7, the top end of the threaded sleeve 8 is fixedly installed at two corners of the bottom end of the first screen 3, the bottom end of the threaded sleeve 8 is fixedly installed at two corners of the top end of the second screen 4, one end of the reciprocating screw rod 7 penetrates through the corresponding fixed block 6 and is fixedly connected with an extension shaft, a belt is sleeved between the two extension shafts, a micro motor 9 is fixedly installed on the side of the fixed block 6, the output end of the micro motor 9 is fixedly connected with one end of one of the extension shafts, the reciprocating screw rod 7 and the threaded sleeve 8 are connected with each other, the reciprocating screw rod 7 is driven to rotate by the micro motor 9, so that the first screen 3 and the second screen 4 can be driven to move back and forth quickly, and the vibration effect of the screening of the down is realized.

[0025] In the embodiment, the impurity collecting box 13 is fixedly penetrated by a flow guide pipe 15 at the top of the side close to the second screening box 2, one end of the flow guide pipe 15 is fixedly penetrated by a shunt pipe 16, the outer wall of the shunt pipe 16 is fixedly penetrated by a plurality of adsorption hoppers 17, the bottom ends of the plurality of adsorption hoppers 17 are fixedly penetrated by the top of the second screening box 2, support frames are fixedly installed at the two sides of the top of the second screening box 2, the two ends of the shunt pipe 16 are fixedly connected between adjacent support frames, a shielding net 10 is fixedly installed at the top of the inner wall of the second screening box 2, the shielding net 10 is located directly below the adsorption hoppers 17, the support frames play a role of auxiliary installation of the shunt pipe 16, the shielding net 10 plays a role of isolating the down of the eiderdown when adsorbing the dust, so that the eiderdown is prevented from being adsorbed due to excessive wind, and the stability of screening is further improved.

[0026] In the embodiment, the first screening box 1 is fixedly installed with a fan 11 at the side away from the second screening box 2, the output end of the fan 11 is fixedly penetrated by an air outlet 12, one end of the air outlet 12 penetrates the inside of the first screening box 1, and the fan 11 and the air outlet 12 cooperate to blow the eiderdown through the first screening box 1 to the second screening box 2.

[0027] Working principle: in use, the eiderdown is placed on the first screen 3 first, the micro motor 9 is driven to rotate, the two reciprocating silk rods 7 are driven to rotate synchronously under the cooperation of the belt and the extension shaft, the reciprocating silk rod 7 converts the rotary motion into linear motion, and further drives the two threaded sleeves 8 to reciprocate, the first screen 3 and the second screen 4 are driven to reciprocate under the connection of the threaded sleeve 8, so that the effect of continuous vibration is realized, at this time, the eiderdown is on the first screen 3, and large-particle impurities can be filtered through the first screen 3 in the vibration process, the fan 11 is driven to rotate to generate wind power, the eiderdown is blown into the inside of the second screening box 2 through the air outlet 12 acting on the inside of the first screen 3, at this time, the eiderdown is driven to float under the vibration of the second screen 4, so that the eiderdown is separated from small-particle impurities and dust, the air suction fan 14 is further driven to rotate to generate negative pressure, the dust is driven to enter the inside of the shunt pipe 16 through the penetration of the shielding net 10 and the adsorption hopper 17, and then is guided to the inside of the impurity collecting box 13 through the flow guide pipe 15, at this time, the eiderdown left on the second screen 4 is screened and can enter the next operation.

[0028] In the description of the utility model, it is understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as a limitation on the utility model.

[0029] In the utility model, unless another definite provision and limitation, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for ordinary skill in the art to the person, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0030] Although the embodiments of the utility model have been shown and described, for ordinary skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and changed in various ways 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 screening apparatus for down processing, comprising a first screening box (1), characterized in that: A second screening box (2) is fixedly installed on the top of one side of the first screening box (1). The inner wall of the first screening box (1) is provided with a first screen (3). The bottom of the inner wall of the second screening box (2) is provided with a second screen (4). A through groove (5) is opened in the middle of the side of the first screening box (1) near the second screening box (2). The top side of the first screen (3) and the bottom side of the second screen (4) are slidably connected to the inner wall of the through groove (5). An impurity collection box (13) is fixedly installed on the back of the second screening box (2). A suction fan (14) is installed on the back of the impurity collection box (13). The input end of the suction fan (14) is fixedly connected to the inside of the impurity collection box (13).

2. A screening apparatus for down processing according to claim 1, characterized in that: The other side of the first screen (3) is movable through the inner wall of the first screening box (1), and one side of the second screen (4) is movable through the inner wall of the second screening box (2).

3. A screening apparatus for down processing according to claim 1, characterized in that: Two fixing blocks (6) are fixedly installed on the middle of the inner walls of the first screening box (1) and the second screening box (2) on the side close to each other. A reciprocating screw (7) is rotatably installed between the two adjacent fixing blocks (6). The outer walls of the two reciprocating screws (7) are threadedly connected with threaded sleeves (8). The top ends of the two threaded sleeves (8) are fixedly installed with the two corners of the bottom end of the first screen (3). The bottom ends of the two threaded sleeves (8) are fixedly installed with the two corners of the top end of the second screen (4).

4. A screening apparatus for down processing according to claim 3, characterized in that: One end of each of the two reciprocating lead screws (7) passes through a corresponding fixing block (6) and is fixedly connected to an extension shaft. A belt is sleeved between the two extension shafts. A micro motor (9) is fixedly installed on one side of the fixing block (6). The output end of the micro motor (9) is fixedly connected to one end of one of the extension shafts.

5. A screening apparatus for down processing according to claim 1, characterized in that: The top of the impurity collection box (13) near the second screening box (2) is fixedly connected to a guide pipe (15), one end of the guide pipe (15) is fixedly connected to a diversion pipe (16), and the outer wall of the diversion pipe (16) is fixedly connected to multiple adsorption buckets (17), the bottom ends of the multiple adsorption buckets (17) are fixedly connected to the top of the second screening box (2).

6. A screening apparatus for down processing according to claim 5, characterized in that: The second screening box (2) has support frames fixedly installed on both sides of its top end, and both ends of the diversion pipe (16) are fixedly connected to the adjacent support frames.

7. A screening apparatus for down processing according to claim 5, characterized in that: A shielding net (10) is fixedly installed on the top of the inner wall of the second screening box (2), and the shielding net (10) is located directly below the adsorption hopper (17).

8. A screening apparatus for down processing according to claim 1, characterized in that: A fan (11) is fixedly installed on the side of the first screening box (1) away from the second screening box (2). The output end of the fan (11) is fixedly connected to an air outlet hopper (12), and one end of the air outlet hopper (12) is connected to the interior of the first screening box (1).

Citation Information

Patent Citations

  • Down feather screening machine

    CN220788883U