A low-temperature thermal devarnishing device for waste thin wires

Abstract

This utility model discloses a low-temperature thermal devarnishing device for waste thin wires, relating to the field of low-temperature thermal devarnishing technology. The device includes a base, with two first supports symmetrically fixedly mounted on the top of the base near one end. Two winding rollers are symmetrically rotatably mounted between the two first supports. One end of each winding roller passes through a first support and is fixedly mounted with a first transmission wheel. A first motor is fixedly mounted on one side of each first support. A second motor is fixedly mounted on the top of the base. A pressing component is located near the middle of the top of the base, and a cleaning component is also located on the top of the base. The pressing component, located in the middle of the top of the base, presses and cleans dry stains on the surface of the wires. The cleaning component consists of a U-shaped support and spiral cleaning blades, further cleaning the wires after the pressing process, removing surface oil and some loose paint, providing a clean surface for low-temperature thermal devarnishing.

Description

Technical Field

[0001] This utility model relates to the field of low-temperature thermal devarnishing technology, specifically a low-temperature thermal devarnishing device for waste thin wires. Background Technology

[0002] With the deepening of the concept of resource recycling, the recycling and disposal of waste wires has become an important part of the circular economy.

[0003] In the actual recycling process of waste thin wires, their surfaces are covered with a large amount of dried stains, mostly dirt, dust and other impurities picked up during recycling, as well as a tightly wrapped layer of enamel. If these stains are not thoroughly cleaned during the pretreatment stage, they will directly hinder the effect of the subsequent low-temperature thermal devarnishing process on the enamel. At the same time, existing cleaning methods generally suffer from incomplete cleaning and low processing efficiency when dealing with such dried stains. Some stains remain on the surface of the wires after simple treatment, which not only affects the denaturation effect of the enamel under low-temperature hot conditions, but may also lead to secondary pollution of the metal core material after devarnishing. This fails to meet the basic requirements for the cleanliness of the wire surface during low-temperature thermal devarnishing, thus restricting the overall efficiency improvement of waste thin wire recycling. Utility Model Content

[0004] This invention provides a low-temperature thermal devarnishing device for waste thin wires, which has the advantages of graded cleaning of surface stains on wires through extrusion and cleaning components, thereby improving the pretreatment effect and solving the problem of incomplete cleaning of surface stains on waste thin wires, which affects the efficiency and quality of subsequent thermal devarnishing.

[0005] To achieve efficient cleaning of surface stains on waste thin wires, this utility model provides the following technical solution: a low-temperature thermal devarnishing device for waste thin wires, comprising a base, three sets of support rollers fixedly installed on the top of the base, two first brackets symmetrically fixedly installed on the top of the base plate near one end, two take-up rollers symmetrically rotated between the two first brackets, one end of the take-up roller passing through the first bracket and fixedly installed with a first transmission wheel, a first motor fixedly installed on one side of the first bracket, the output end of the first motor fixedly installed with one end of the take-up roller, a second motor fixedly installed on the top of the base, a squeezing assembly provided on the top of the base near the middle, a cleaning assembly provided on the top of the base, the cleaning assembly being disposed between the squeezing assembly and the first brackets, and the cleaning assembly consisting of a U-shaped bracket and spiral cleaning blades.

[0006] As a preferred embodiment of the present invention, the cleaning component includes two U-shaped brackets, which are fixedly installed on the top of the base, and each of the two U-shaped brackets has a circular tube rotatably installed on one side.

[0007] As a preferred embodiment of the present invention, the cleaning component further includes a plurality of spiral cleaning blades, which are fixedly installed between two circular tubes, and a spiral cleaning scraper is fixedly installed on the inner side of the spiral cleaning blades.

[0008] As a preferred embodiment of this utility model, the cleaning component further includes three gears, which are arranged on the side of the U-shaped bracket near the second motor. The gears are fixedly installed on the outside of the round tube, and adjacent gears are meshed together.

[0009] As a preferred technical solution of this utility model, a connecting groove is provided on the outer side of the circular tube near the output end of the second motor, and a transmission belt is movably sleeved inside the connecting groove, with the inner side of the transmission belt movably sleeved with the outer side of the output end of the second motor.

[0010] As a preferred embodiment of the present invention, the extrusion assembly includes two second supports, which are fixedly installed on the top of the base near the middle. Two extrusion rollers are rotatably installed between the two supports. One end of each extrusion roller passes through a second support and is fixedly mounted with a second transmission wheel. The second transmission wheel is connected to the first transmission wheel by a transmission belt.

[0011] As a preferred embodiment of the present invention, the extrusion assembly further includes a rectangular hole, which is opened on one side of the second bracket. A round rod is fixedly installed on the top surface inside the rectangular hole, and the other end of the round rod is fixedly installed on the top of the base. A rectangular block is movably installed inside the rectangular hole, and the round rod passes through the rectangular block. One extrusion roller is rotatably installed on the two rectangular blocks.

[0012] As a preferred embodiment of this invention, the extrusion assembly further includes a spring, which is fixedly installed at the bottom of the rectangular block, and the other end of the spring is fixedly installed at the top of the base.

[0013] As a preferred technical solution of this utility model, a plurality of arc-shaped protrusions are fixedly installed on the outside of the extrusion roller, and a plurality of conical protrusions are fixedly installed on the outside of the arc-shaped protrusions.

[0014] Compared with the prior art, this utility model provides a low-temperature thermal devarnishing device for waste thin wires, which has the following beneficial effects:

[0015] 1. This low-temperature thermal devarnishing device for waste thin wires, by setting up a cleaning component, uses a second motor to drive multiple round tubes to rotate synchronously via a transmission belt and gears, causing the spiral cleaning blades and inner spiral cleaning scrapers to rotate, performing all-round active cleaning of waste thin wires, removing surface oil and loose paint, providing a clean foundation for subsequent low-temperature thermal devarnishing, and improving efficiency and quality.

[0016] 2. This low-temperature thermal devarnishing device for waste thin wires uses an extrusion assembly. When the winding roller rotates, it drives the extrusion roller via a transmission wheel and belt. The elastic structure composed of rectangular blocks, round rods, and springs ensures that the two extrusion rollers are always in contact with the surface of the waste thin wires. Combined with the extrusion and scraping of arc-shaped and conical protrusions, the surface of the waste thin wires dries and the stains fall off, completing the initial decontamination and aiding the subsequent thermal devarnishing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a low-temperature thermal devarnishing device for waste thin wires according to this utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of a low-temperature thermal devarnishing device for waste thin wires according to this utility model.

[0019] Figure 3 This is a schematic diagram of the extrusion assembly structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the extrusion roller structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the cleaning component structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the spiral cleaning blade structure of this utility model.

[0023] In the diagram: 1. Base; 2. Support roller; 3. First bracket; 4. Take-up roller; 5. First motor; 6. Second motor; 7. Second bracket; 8. Extrusion roller; 9. Rectangular hole; 10. Round rod; 11. Spring; 12. Rectangular block; 13. First transmission wheel; 14. Second transmission wheel; 15. Arc-shaped protrusion; 16. Conical protrusion; 17. U-shaped bracket; 18. Round tube; 19. Spiral cleaning blade; 20. Gear; 21. Spiral cleaning scraper. Detailed Implementation

[0024] 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.

[0025] Please see Figures 1-6This utility model discloses a low-temperature thermal devarnishing device for waste thin wires, including a base 1. Three sets of support rollers 2 are fixedly installed on the top of the base 1. Two first brackets 3 are symmetrically fixedly installed on the top of the base 1 near one end. Two take-up rollers 4 are symmetrically rotated between the two first brackets 3. One end of the take-up roller 4 passes through the first bracket 3 and is fixedly installed with a first transmission wheel 13. A first motor 5 is fixedly installed on one side of the first bracket 3. The output end of the first motor 5 is fixedly installed with one end of the take-up roller 4. A second motor 6 is fixedly installed on the top of the base 1. A squeezing component is provided on the top of the base 1 near the middle. A cleaning component is provided on the top of the base 1. The cleaning component is located between the squeezing component and the first brackets 3. The cleaning component consists of a U-shaped bracket 17 and a spiral cleaning blade 19.

[0026] In this embodiment, the base 1 serves as the basic support structure of the device, providing an installation benchmark and stable support for all components such as the support rollers 2, the first bracket 3, and the second motor 6, ensuring the stability of the overall structure of the device. There are three sets of support rollers 2, with the two side support rollers 2 higher and the middle support roller 2 lower. Waste wires are wound in an S-shape on these rollers. This winding increases the tension of the waste wires, preventing loosening and swaying during transport, and extends the contact length of the waste wires in the support section, providing a stable conveying posture for subsequent extrusion and cleaning processes, ensuring continuous and stable processing. The first bracket 3 is symmetrically fixed on the base 1 and is used to install the take-up roller 4 and the first motor 5, providing support for the rotation of the take-up roller 4. At this point, the take-up roller 4 rotates under the drive of the first motor 5, pulling the waste fine wires through the take-up action and conveying the cleaned waste fine wires to the low-temperature heat devarnishing equipment. The first transmission wheel 13 is fixed to one end of the take-up roller 4, and transmits the power of the take-up roller 4 to the second transmission wheel 14 of the extrusion assembly through the transmission belt. The extrusion assembly is set at the top center of the base 1, and extrudes and cleans the dry stains on the surface of the waste fine wires, so that the stains fall off under the extrusion action, completing the initial decontamination. The cleaning assembly consists of a U-shaped bracket 17 and a spiral cleaning blade 19, which further cleans the waste fine wires after the extrusion treatment, removes surface oil and some loose paint, and provides a clean surface for low-temperature heat devarnishing.

[0027] Specifically, the cleaning component includes two U-shaped brackets 17, which are fixedly installed on the top of the base 1, and a circular tube 18 is rotatably installed on one side of each of the two U-shaped brackets 17.

[0028] In this embodiment, two U-shaped brackets 17 are fixed on the base 1 to provide stable support for the rotation of the round tube 18, ensuring that the round tube 18 and the spiral cleaning blade 19 maintain the correct position during operation and ensuring the stability of the cleaning process. The round tube 18 is rotatably mounted on one side of the U-shaped bracket 17 as the mounting carrier for the spiral cleaning blade 19. Under the power drive, it rotates, driving the spiral cleaning blade 19 to rotate synchronously, thereby realizing the cleaning action of waste thin wires.

[0029] Specifically, the cleaning assembly also includes several spiral cleaning blades 19, which are fixedly installed between two round tubes 18, and spiral cleaning scrapers 21 are fixedly installed on the inner side of the spiral cleaning blades 19.

[0030] In this embodiment, the spiral cleaning blade 19 is fixed between two round tubes 18 and rotates synchronously with the round tubes 18, providing an installation base for the spiral cleaning scraper 21. The scraper drives the blade to clean the waste thin wire in all directions through its own rotation, expanding the cleaning coverage area. The spiral cleaning scraper 21 is fixed inside the spiral cleaning blade 19 and directly contacts the surface of the waste thin wire. When the blade rotates, it actively scrapes the surface of the waste thin wire, effectively removing oil stains and some loose paint, improving the cleaning effect, and providing a clean surface for subsequent low-temperature thermal devarnishing. The spiral cleaning blade 19 and the spiral cleaning scraper 21 are adapted to the diameter of the waste thin wire, and the direction of their rotation and scraping is opposite to the direction in which the waste thin wire is wound up, which can effectively remove stains from the outer surface of the waste thin wire.

[0031] Specifically, the cleaning assembly also includes three gears 20, which are arranged on the side of the U-shaped bracket 17 near the second motor 6. The gears 20 are fixedly installed on the outside of the round tube 18, and adjacent gears 20 are meshed together.

[0032] In this embodiment, three gears 20 are fixed on the outside of the circular tube 18 and adjacent gears 20 mesh with each other. Under the power transmission of the second motor 6, the multiple circular tubes 18 rotate synchronously. The second motor 6 serves as the power source of the cleaning component and transmits power to the connected circular tubes 18 and gears 20 through a transmission belt, driving the gears 20 to rotate, thereby driving the entire cleaning component to operate.

[0033] Specifically, a connecting groove is provided on the outer side of the circular tube 18 near the output end of the second motor 6, and a transmission belt is movably sleeved inside the connecting groove. The inner side of the transmission belt is movably sleeved with the outer side of the output end of the second motor 6.

[0034] In this embodiment, a connecting groove is opened on the outer side of the circular tube 18 near the output end of the second motor 6 to provide an installation position for the transmission belt. The transmission belt receives power from the second motor 6 and drives itself and the spiral cleaning blades 19 connected to it to rotate. The inner side of the transmission belt is movably fitted with the connecting grooves of the output end of the second motor 6 and the circular tube 18, respectively, to play a power transmission role, transmitting the rotational power of the second motor 6 to the circular tube 18, so that the circular tube 18 rotates synchronously with the motor and drives the cleaning component to operate.

[0035] Specifically, the extrusion assembly includes two second supports 7, which are fixedly installed on the top of the base 1 near the middle. Two extrusion rollers 8 are rotatably installed between the two second supports 7. One end of the extrusion roller 8 passes through the second support 7 and is fixedly installed with a second drive wheel 14. The second drive wheel 14 is connected to the first drive wheel 13 by a drive belt.

[0036] In this embodiment, the second bracket 7 is fixed to the top of the base 1 near the middle to provide support for the rotation of the extrusion roller 8; the extrusion roller 8 installed on the two second brackets 7 rotates actively after receiving the power transmitted by the first transmission wheel 13 from the second transmission wheel 14, while the extrusion roller 8 rotatably installed on the rectangular block 12 will rotate passively when extruding the waste wire, thus completing the extrusion processing of the waste wire together.

[0037] Specifically, the extrusion assembly also includes a rectangular hole 9, which is opened on one side of the second bracket 7. A round rod 10 is fixedly installed on the top surface inside the rectangular hole 9, and the other end of the round rod 10 is fixedly installed on the top of the base 1. A rectangular block 12 is movably installed inside the rectangular hole 9, and the round rod 10 passes through the rectangular block 12. An extrusion roller 8 is rotatably installed on the two rectangular blocks 12.

[0038] In this embodiment, a rectangular hole 9 is opened on one side of the second bracket 7 to provide space for the movement of the rectangular block 12, allowing the rectangular block 12 to move up and down along the round rod 10 to accommodate waste thin wires of different diameters. One end of the round rod 10 is fixed to the top surface inside the rectangular hole 9, and the other end is fixed to the top of the base 1, passing through the rectangular block 12 and guiding the movement of the rectangular block 12 to ensure its stable vertical movement. One of the squeezing rollers 8 is rotatably mounted on the two rectangular blocks 12, and its position is adjusted with the movement of the rectangular block 12. It works in conjunction with the other squeezing roller 8 to squeeze the waste thin wires to remove stains.

[0039] Specifically, the extrusion assembly also includes a spring 11, which is fixedly installed at the bottom of the rectangular block 12, and the other end of the spring 11 is fixedly installed at the top of the base 1.

[0040] In this embodiment, the spring 11 is fixed between the bottom of the rectangular block 12 and the top of the base 1, providing elastic support for the rectangular block 12, so that the squeezing roller 8 installed on the rectangular block 12 can move up and down adaptively, ensuring that the two squeezing rollers 8 are always in close contact with the surface of the waste thin wire, thus improving the reliability of cleaning dry stains.

[0041] Specifically, several arc-shaped protrusions 15 are fixedly installed on the outside of the extrusion roller 8, and several conical protrusions 16 are fixedly installed on the outside of the arc-shaped protrusions 15.

[0042] In this embodiment, the arc-shaped protrusion 15 is fixed on the outside of the extrusion roller 8, increasing the contact area between the extrusion roller 8 and the surface of the waste thin wire, thereby increasing the extrusion force. At the same time, it provides an installation base for the conical protrusion 16, enhancing the extrusion effect on the dry stains on the surface of the waste thin wire. The conical protrusion 16 is fixed on the outside of the arc-shaped protrusion 15, and uses its sharp structure to specifically scrape the dry stains on the surface of the waste thin wire, penetrating deep into the stain crevices. Combined with the extrusion action, it makes the stains easier to remove, thus strengthening the initial decontamination effect.

[0043] The working principle and usage process of this utility model are as follows: First, manually wind the waste thin wire in an S-shape around the three sets of support rollers 2, ensuring the waste thin wire is taut and stable. Then, pass one end of the waste thin wire sequentially between the two extrusion rollers 8 of the extrusion assembly and inside the spiral cleaning blades 19 of the cleaning assembly, finally fixing it to the take-up roller 4. Next, connect the first motor 5 and the second motor 6 to an external power source. After the first motor 5 starts, it drives the take-up roller 4 to rotate. The take-up roller 4 pulls the waste thin wire along the conveying direction through its winding action. Simultaneously, the first transmission wheel 13 at one end of the take-up roller 4 drives the second transmission wheel of the extrusion assembly via a transmission belt. Wheel 14 causes one squeezing roller 8 mounted on the second bracket 7 to rotate actively, while the other squeezing roller 8 mounted on the rectangular block 12 rotates passively under the drive of the waste thin wire. The rectangular block 12, supported by the elasticity of spring 11, moves adaptively along the circular rod 10 within the rectangular hole 9, ensuring that the two squeezing rollers 8 always remain in contact with the surface of the waste thin wire. The arc-shaped protrusions 15 and conical protrusions 16 on the outer side of the squeezing rollers 8 squeeze and scrape the dry stains, such as dry mud, on the surface of the waste thin wire, causing the stains to fall off and completing the initial decontamination. Simultaneously, after the second motor 6 starts, it transmits power to the circular tube 18 near its output end via a transmission belt. The tube 18 is driven by the meshing of the outer gear 20 and the adjacent gear 20, which drives all the round tubes 18 to rotate synchronously. This causes the spiral cleaning blades 19 fixed between the round tubes 18 to rotate. The spiral cleaning scraper 21 on the inner side of the blades actively scrapes the surface of the pre-decontaminated waste wire, removing oil and some loose paint. Subsequently, the pre-treated waste wire is conveyed to the material tray in the external hot treatment furnace through the winding roller 4. The furnace door is closed and the wire is heated to 480-550℃ and kept at that temperature for 5-10 minutes. During this process, the paint film of the waste wire will change, and its internal... Chemical bonds break, surface cracks appear, and micropores and fragments form inside. The material loses weight and thins, becoming brittle, and its tensile strength and elongation decrease. After heating, the waste fine wire is quickly removed and immersed in a water bath below 30°C for rapid cooling. Due to the large difference in linear expansion rates between the deformed varnish film and the metal wire, the varnish film will automatically separate from the metal wire under the action of rapid cooling with a large temperature difference. After rapid cooling, the varnish will automatically peel off, while the metal wire retains its original state without oxidation or mechanical loss, achieving high recycling rate regeneration. The above-mentioned low-temperature thermal devarnishing process is an existing technology and can be used in conjunction with the fine wire processed by this device.

[0044] It should be noted that, in this document, terms such as "comprising" or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0045] 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 low-temperature thermal devarnishing device for waste thin wires, comprising a base (1), characterized in that: Three sets of support rollers (2) are fixedly installed on the top of the base (1). Two first brackets (3) are symmetrically fixedly installed on the top of the base (1) near one end. Two take-up rollers (4) are symmetrically rotated between the two first brackets (3). One end of the take-up roller (4) passes through the first bracket (3) and is fixedly installed with a first transmission wheel (13). A first motor (5) is fixedly installed on one side of the first bracket (3). The output end of the first motor (5) is fixedly installed with one end of the take-up roller (4). A second motor (6) is fixedly installed on the top of the base (1). An extrusion assembly is provided on the top of the base (1) near the middle. A cleaning assembly is provided on the top of the base (1). The cleaning assembly is located between the extrusion assembly and the first bracket (3). The cleaning assembly consists of a U-shaped bracket (17) and a spiral cleaning blade (19).

2. The low-temperature thermal devarnishing device for waste thin wires according to claim 1, characterized in that: The cleaning assembly includes two U-shaped brackets (17), which are fixedly mounted on the top of the base (1), and each of the two U-shaped brackets (17) has a circular tube (18) rotatably mounted on one side.

3. The low-temperature thermal devarnishing device for waste thin wires according to claim 2, characterized in that: The cleaning assembly also includes several spiral cleaning blades (19), which are fixedly installed between two round tubes (18), and a spiral cleaning scraper (21) is fixedly installed on the inner side of the spiral cleaning blades (19).

4. The low-temperature thermal devarnishing device for waste thin wires according to claim 3, characterized in that: The cleaning assembly also includes three gears (20), which are arranged on the side of the U-shaped bracket (17) near the second motor (6). The gears (20) are fixedly installed on the outside of the round tube (18), and adjacent gears (20) are meshed together.

5. The low-temperature thermal devarnishing device for waste thin wires according to claim 4, characterized in that: A connecting groove is provided on the outer side of the round tube (18) near the output end of the second motor (6), and a transmission belt is movably sleeved inside the connecting groove. The inner side of the transmission belt is movably sleeved with the outer side of the output end of the second motor (6).

6. The low-temperature thermal devarnishing device for waste thin wires according to claim 1, characterized in that: The extrusion assembly includes two second supports (7), which are fixedly installed on the top of the base (1) near the middle. Two extrusion rollers (8) are rotatably installed between the two second supports (7). One end of the extrusion roller (8) passes through the second support (7) and is fixedly installed with a second transmission wheel (14). The second transmission wheel (14) is connected to the first transmission wheel (13) by a transmission belt.

7. The low-temperature thermal devarnishing device for waste thin wires according to claim 6, characterized in that: The extrusion assembly also includes a rectangular hole (9) which is opened on one side of the second bracket (7). A round rod (10) is fixedly installed on the top surface inside the rectangular hole (9). The other end of the round rod (10) is fixedly installed on the top of the base (1). A rectangular block (12) is movably installed inside the rectangular hole (9). The round rod (10) passes through the rectangular block (12). One of the extrusion rollers (8) is rotatably installed on the two rectangular blocks (12).

8. The low-temperature thermal devarnishing device for waste thin wires according to claim 7, characterized in that: The extrusion assembly also includes a spring (11) which is fixedly mounted on the bottom of the rectangular block (12) and the other end of the spring (11) is fixedly mounted on the top of the base (1).

9. The low-temperature thermal devarnishing device for waste thin wires according to claim 7, characterized in that: Several arc-shaped protrusions (15) are fixedly installed on the outside of the extrusion roller (8), and several conical protrusions (16) are fixedly installed on the outside of the arc-shaped protrusions (15).

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