A spiral feeding device for waste and old textile with anti-winding structure

Abstract

The utility model discloses a kind of waste textile spiral feeding devices with anti-winding structure, including inlet bin, conveying cylinder and the switching warehouse of both connection, switching warehouse one end installs conveying motor, other end is connected conveying cylinder, conveying cylinder below is provided with discharge hopper, bottom has support frame;Inlet bin inner side fixedly inclined discharge plate, plate end is curved surface and lowest point points to bin bottom, can guide material to conveying port convergence, avoid jamming wall or hook connection, prevent material blockage;Conveying cylinder has spiral conveying assembly in, including front end shaft, rear end shaft and shaftless spiral blade, blade is connected two shafts can prevent material winding from source;Two shafts have uniform anti-knotting convex point outside, can scrape off shaft body fiber anti-caking, convex point curved surface design can also avoid self hooking fiber;Device is guided by discharge plate, switching warehouse connection, blade push forms smooth channel, avoid traditional device broken material or overload, improve feeding continuity.

Description

Technical Field

[0001] This utility model specifically relates to a spiral feeding device for waste textiles with an anti-tangling structure. Background Technology

[0002] Driven by dual-carbon goals and circular economy policies, the recycling of waste textiles has become a key pathway to alleviate resource shortages and reduce environmental burden. The overall recycling rate of waste textiles generated annually in my country is insufficient, and technological bottlenecks in material conveying are a significant factor restricting the industry's large-scale development. Before entering core processing steps such as crushing, depolymerization, or melting, waste textiles require continuous and stable feeding through feeding devices. Among these, screw feeders are widely used in this field due to their superior sealing performance and compact structure.

[0003] Waste textiles are generally lightweight and fluffy, and are mostly in the form of long strips or fiber bundles. Some blended fabrics also contain interwoven fibers such as cotton yarn and polyester. They are very prone to entanglement and aggregation during the conveying process. Traditional screw feeding devices mostly adopt a shafted screw structure. The connection between the central shaft and the screw blades becomes the main node for fiber entanglement. Long fibers will gradually wrap around the shaft to form fiber knots. As the amount of entanglement increases, it will not only reduce the cross-section of the conveying channel and obstruct the feeding, but also cause the load on the screw shaft to rise sharply. This can reduce conveying efficiency and increase energy consumption, or even cause serious failures such as motor overload and burnout or screw shaft breakage.

[0004] Therefore, it is necessary to invent a spiral feeding device for waste textiles with an anti-tangling structure to solve the above problems. Utility Model Content

[0005] (a) Purpose of the utility model To address the technical problems existing in the background art, this utility model proposes a spiral feeding device for waste textiles with an anti-tangling structure, which can prevent waste textiles from tangling.

[0006] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a spiral feeding device for waste textiles with an anti-tangling structure, comprising an inlet bin and a conveying cylinder, wherein a transfer bin is connected between the conveying cylinder and the inlet bin, a conveying motor is installed at one end of the transfer bin, the conveying cylinder is installed at the other end of the transfer bin, a discharge hopper is provided below the other end of the conveying cylinder, and multiple support frames are also provided at the bottom of the conveying cylinder; The inner perimeter of the feeding hopper is fixed with unloading plates. Multiple unloading plates are inclined and their lowest point points to the bottom of the feeding hopper. The ends of the unloading plates are curved. The feeding cylinder is equipped with a spiral feeding assembly, which is connected to the conveying motor. The spiral feeding assembly includes a front shaft, a rear shaft, and spiral blades. The two ends of the spiral blades are respectively connected to the front shaft and the rear shaft. There is no shaft inside the spiral blades. The front shaft and the rear shaft are provided with a plurality of evenly spaced anti-clogging protrusions on their exteriors.

[0007] Preferably, the top of the transfer chamber is connected to the feed chamber, one end of the transfer chamber is connected to the conveying cylinder, the conveying motor is fixed to one side of the transfer chamber, one end of the front shaft is connected to the conveying motor through a coupling, one end of the rear shaft is connected to the end cap of the conveying cylinder, and the spiral blades are placed between the front shaft and the rear shaft.

[0008] Preferably, the spiral blade is fixed with connecting seats at both ends, the connecting seats extend with docking studs, and the ends of the front shaft and the rear shaft are provided with docking screw grooves, and the docking screw grooves at both ends are respectively connected to the docking studs at both ends.

[0009] Preferably, the tops of the plurality of anti-caking protrusions are curved surfaces, the spiral blades have no central shaft inside, and the spiral blades are placed inside the feed cylinder, with the overall size of the spiral blades matching the internal size of the feed cylinder.

[0010] Preferably, the bottom of one end of the conveying cylinder is provided with a discharge port, the discharge hopper is installed at the discharge port, and the discharge hopper is provided with an installation ring on the outside, the installation ring being fixed to the outer wall of the conveying cylinder.

[0011] Preferably, the conveyor motor is provided with a support assembly, which includes a support plate fixed to one end of the transfer chamber, reinforcing ribs on both sides of the bottom of the support plate, and surrounding plates on both sides of the top of the support plate, with the conveyor motor installed between the surrounding plates on both sides.

[0012] Preferably, the support frame is provided in multiple parts and is supported at the bottom of the feed cylinder, and the top of the support frame is provided with a support arc plate that matches the shape of the outer wall of the feed cylinder.

[0013] Compared with the prior art, the beneficial effects of the above-mentioned technical solution of this utility model are: 1. The spiral blades of this utility model adopt an internal shaftless design, which avoids material accumulation and entanglement in the conveying cylinder from the structural source. The uniformly spaced anti-caking protrusions on the front and rear shafts can physically scrape off the fibrous material attached to the shaft surface to prevent the material from clumping on the shaft. On the other hand, the curved surface design prevents the protrusions from hooking onto the fibers, further reducing the risk of entanglement. The inclined curved surface discharge plate inside the feed bin guides the material to quickly converge towards the feed port through the inclined angle, preventing the material from getting stuck between the bin walls and unable to fall. The curved end design also prevents the material from hooking and lingering at the edge of the discharge plate, ensuring that there is no blockage in the feeding process. 2. This utility model guides the material from the unloading plate in the feed hopper to the transfer hopper for the connection and transition from feeding to conveying, and then to the continuous pushing of the spiral blades in the conveying cylinder, forming a smooth channel throughout the entire process. This avoids material interruption or overload caused by local stagnation in traditional devices and improves the continuity of feeding. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the top structure of the feed hopper of this utility model; Figure 3 This is a schematic diagram of the disassembled structure of the material conveying cylinder of this utility model; Figure 4 This is a schematic diagram of the installation structure of the spiral conveying assembly of this utility model.

[0016] Explanation of reference numerals in the attached figures: 1. Feed hopper; 11. Discharge plate; 2. Conveyor cylinder; 21. End cap; 22. Discharge port; 3. Transfer hopper; 4. Conveyor motor; 5. Discharge hopper; 51. Mounting ring; 6. Support frame; 61. Support arc plate; 7. Spiral conveyor assembly; 71. Front shaft; 72. Rear shaft; 73. Spiral blade; 74. Anti-clogging protrusion; 75. Connecting seat; 76. Connecting stud; 77. Connecting screw groove; 8. Support assembly; 81. Support plate; 82. Reinforcing rib; 83. Enclosure. Detailed Implementation

[0017] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0018] This utility model provides, for example Figure 1-4The waste textile spiral feeding device with an anti-tangling structure shown includes a feeding bin 1 and a conveying cylinder 2. A transfer bin 3 is connected between the conveying cylinder 2 and the feeding bin 1. A conveying motor 4 is installed at one end of the transfer bin 3, and the conveying cylinder 2 is installed at the other end of the transfer bin 3. A discharge hopper 5 is provided below the other end of the conveying cylinder 2, and multiple support frames 6 are also provided at the bottom of the conveying cylinder 2. Specifically, discharge plates 11 are fixed around the inner perimeter of the feed hopper 1. Multiple discharge plates 11 are inclined and their lowest points point to the bottom of the feed hopper 1. The ends of the discharge plates 11 are curved. Specifically, the conveying cylinder 2 is provided with a spiral conveying assembly 7, which is connected to the conveying motor 4. The spiral conveying assembly 7 includes a front shaft 71, a rear shaft 72 and a spiral blade 73. The two ends of the spiral blade 73 are respectively connected to the front shaft 71 and the rear shaft 72. There is no shaft inside the spiral blade 73. The front shaft 71 and the rear shaft 72 are provided with a plurality of evenly spaced anti-clogging protrusions 74.

[0019] Specifically, the top of the transfer chamber 3 is connected to the feed chamber 1, one end of the transfer chamber 3 is connected to the feed cylinder 2, the conveyor motor 4 is fixed on one side of the transfer chamber 3, and one end of the front shaft 71 is connected to the conveyor motor 4 through a coupling, one end of the rear shaft 72 is connected to the end cap 21 of the feed cylinder 2, and the spiral blade 73 is placed between the front shaft 71 and the rear shaft 72.

[0020] Specifically, the spiral blade 73 is fixed with connecting seats 75 at both ends, and the connecting seats 75 extend with docking studs 76. The ends of the front shaft 71 and the rear shaft 72 are provided with docking screw grooves 77, and the docking screw grooves 77 at both ends are respectively connected to the docking studs 76 at both ends.

[0021] Specifically, the tops of the multiple anti-caking protrusions 74 are all curved surfaces, the spiral blades 73 have no central shaft inside, and the spiral blades 73 are placed inside the feed cylinder 2, with the overall size of the spiral blades 73 matching the internal size of the feed cylinder 2.

[0022] Specifically, a discharge port 22 is provided at the bottom of one end of the conveying cylinder 2, and a discharge hopper 5 is installed at the discharge port 22. An installation ring 51 is provided on the outside of the discharge hopper 5, and the installation ring 51 is fixed on the outer wall of the conveying cylinder 2.

[0023] Specifically, the conveyor motor 4 is provided with a support assembly 8 on the outside. The support assembly 8 includes a support plate 81 fixed to one end of the transfer chamber 3. The bottom sides of the support plate 81 are provided with reinforcing ribs 82, and the top sides of the support plate 81 are provided with surrounding plates 83. The conveyor motor 4 is installed between the two surrounding plates 83.

[0024] Specifically, multiple support frames 6 are provided and are supported at the bottom of the feed cylinder 2. The top of the support frame 6 is provided with a support arc plate 61 that matches the shape of the outer wall of the feed cylinder 2.

[0025] In this embodiment, the support plate 81 of the support component 8 is fixed to one end of the transfer chamber 3, and the bottom two sides of the support plate 81 are welded with reinforcing ribs 82, and the top two sides are welded with surrounding plates 83; then the conveying motor 4 is embedded between the two surrounding plates 83 and fixed to the support plate 81 with bolts to ensure that the motor does not deviate when running.

[0026] Specifically, the connecting studs 76 extending from the connecting seats 75 at both ends of the spiral blade 73 are screwed into the connecting screw grooves 77 at the ends of the front shaft 71 and the rear shaft 72, respectively, to complete the modular assembly of the three components; then the front shaft 71 is connected to the output end of the conveying motor 4 through a coupling, and the rear shaft 72 is inserted into the end cap 21 at the end of the conveying cylinder 2 and fixed, so that the spiral blade 73 is completely placed inside the conveying cylinder 2.

[0027] Specifically, the top of the transfer chamber 3 is connected to the feed hopper 1, and one end of the bottom is connected to the flange of the conveying cylinder 2, ensuring that the material in the feed hopper 1 can smoothly enter the conveying cylinder 2 through the transfer chamber 3; the discharge hopper 5 is fitted onto the discharge port 22 at the bottom of the conveying cylinder 2, and is fixed to the outer wall of the conveying cylinder 2 by welding the installation ring 51 on the outside of the discharge hopper 5; finally, multiple support frames 6 are installed at intervals at the bottom of the conveying cylinder 2, so that the support arc plate 61 on the top of the support frame 6 fits against the outer wall of the conveying cylinder 2.

[0028] Specifically, the conveyor motor 4 is started, which drives the spiral conveyor assembly 7 to rotate; waste textiles are put into the feed hopper 1, and the material is guided by the inclined discharge plate 11 inside the feed hopper 1 to flow quickly to the transfer hopper 3; the material entering the conveyor cylinder 2 is continuously pushed by the spiral blades 73. During the pushing process, the curved anti-knotting protrusions 74 on the outside of the front shaft 71 and the rear shaft 72 scrape off the fibers on the surface of the shaft body, and finally the material is discharged through the discharge port 22 and the discharge hopper 5 to complete the feeding.

[0029] In this embodiment, the spiral blade 73 adopts an internal shaftless design, completely eliminating the core hidden danger of the central shaft of the traditional shafted spiral entanglement with fibers, and preventing materials from accumulating and tangling in the conveying cylinder 2; the anti-clogging protrusion 74 has a curved top, which not only prevents material from clogging on the shaft through physical scraping, but also prevents the protrusion itself from entangled with fibers, providing double anti-tangling. The inclined curved discharge plate 11 of the feed bin 1 guides the material to quickly gather through the inclined angle, and the curved end design prevents the material from lingering at the edge of the plate, ensuring no blockage in the feeding process and solving the problem of waste textiles being easy to clump and difficult to flow.

[0030] In this embodiment, the reinforcing ribs 82 and the surrounding plate 83 of the support component 8 form a stable motor fixing structure with the support plate 81, preventing vibration and displacement when the motor is running at high speed and ensuring the coaxiality of the screw conveyor component 7. The support arc plate 61 of the support frame 6 fits against the outer wall of the conveyor cylinder 2, maximizing the contact area, evenly distributing the weight of the conveyor cylinder 2 and the material, and preventing deformation of the conveyor cylinder after long-term use. The components are assembled by stud connection, flange connection, welding and other methods, with no gaps at the joints, preventing material from accumulating in the gaps, while improving the overall structural rigidity and meeting the high-strength requirements of continuous industrial feeding.

[0031] In this embodiment, the spiral conveying assembly 7 adopts a modular connection between the connecting stud 76 and the connecting groove 77. When the spiral blade 73 is severely worn or entangled, it is not necessary to disassemble the entire conveying cylinder 2; the blade can be replaced individually simply by unscrewing the stud, reducing downtime for maintenance. The discharge hopper 5 is detachably connected to the conveying cylinder 2 via the mounting ring 51, and the conveying motor 4 is fixed by the retaining plate 83. During subsequent cleaning or maintenance, the corresponding components can be quickly disassembled, making the operation simple and requiring no special tools.

[0032] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A spiral feeding device for waste textiles with an anti-tangling structure, characterized in that: It includes a feeding bin (1) and a conveying cylinder (2). A transfer bin (3) is connected between the conveying cylinder (2) and the feeding bin (1). A conveying motor (4) is installed at one end of the transfer bin (3). The conveying cylinder (2) is installed at the other end of the transfer bin (3). A discharge hopper (5) is provided below the other end of the conveying cylinder (2). Multiple support frames (6) are also provided at the bottom of the conveying cylinder (2). The feed bin (1) is fixed with unloading plates (11) around its inner perimeter. Multiple unloading plates (11) are inclined and their lowest points point to the bottom of the feed bin (1). The ends of the unloading plates (11) are curved. The material conveying cylinder (2) is provided with a spiral material conveying assembly (7), which is connected to the conveying motor (4). The spiral material conveying assembly (7) includes a front shaft (71), a rear shaft (72) and a spiral blade (73). The two ends of the spiral blade (73) are respectively connected to the front shaft (71) and the rear shaft (72). There is no shaft inside the spiral blade (73). The front shaft (71) and the rear shaft (72) are provided with a plurality of evenly spaced anti-clogging protrusions (74).

2. The waste textile spiral feeding device with an anti-tangling structure according to claim 1, characterized in that: The top of the transfer chamber (3) is connected to the feed chamber (1), one end of the transfer chamber (3) is connected to the conveying cylinder (2), the conveying motor (4) is fixed on one side of the transfer chamber (3), and one end of the front shaft (71) is connected to the conveying motor (4) through a coupling. One end of the rear shaft (72) is connected to the end cap (21) of the conveying cylinder (2), and the spiral blade (73) is placed between the front shaft (71) and the rear shaft (72).

3. The waste textile spiral feeding device with an anti-tangling structure according to claim 2, characterized in that: The spiral blade (73) is fixed with a connecting seat (75) at both ends. The connecting seat (75) extends with a docking stud (76). The ends of the front shaft (71) and the rear shaft (72) are provided with docking grooves (77). The docking grooves (77) at both ends are respectively connected to the docking studs (76) at both ends.

4. The waste textile spiral feeding device with an anti-tangling structure according to claim 1, characterized in that: The tops of the multiple anti-knotting protrusions (74) are curved surfaces. The spiral blade (73) has no central axis inside and is placed inside the feed cylinder (2). The overall size of the spiral blade (73) matches the internal size of the feed cylinder (2).

5. A spiral feeding device for waste textiles with an anti-tangling structure according to claim 1, characterized in that: The bottom of one end of the conveying cylinder (2) is provided with a discharge port (22), and the discharge hopper (5) is installed at the discharge port (22). The discharge hopper (5) is provided with an installation ring (51) on the outside, and the installation ring (51) is fixed on the outer wall of the conveying cylinder (2).

6. The waste textile spiral feeding device with an anti-tangling structure according to claim 1, characterized in that: The conveying motor (4) is provided with a support assembly (8) on the outside. The support assembly (8) includes a support plate (81) fixed at one end of the transfer chamber (3). The support plate (81) has reinforcing ribs (82) on both sides of its bottom. The support plate (81) has a surrounding plate (83) on both sides of its top. The conveying motor (4) is installed between the surrounding plates (83) on both sides.

7. A spiral feeding device for waste textiles with an anti-tangling structure according to claim 1, characterized in that: The support frame (6) is provided in multiple ways and is supported at the bottom of the feed cylinder (2). The top of the support frame (6) is provided with a support arc plate (61) that matches the shape of the outer wall of the feed cylinder (2).

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