Magnetic thread separating comb device for carbon fiber production line

Abstract

The application discloses a magnetic yarn separating comb device for a carbon fiber production line and relates to the technical field of carbon fiber production line equipment. The front side of the installation crossbeam assembly is provided with a crossbeam body, at least two rotating shaft seats are transversely arranged on the crossbeam body, rotating shafts are arranged in all the rotating shaft seats, and the rotating shafts are sequentially connected with the separating ring and the yarn separating sheet assembly in sequence, and each yarn separating sheet assembly can freely rotate around the rotating shaft. The crossbeam body is fixedly provided with a magnet below each yarn separating sheet assembly, and the magnet is adsorptively connected with the bottom of the yarn separating sheet assembly. The application can effectively separate carbon fiber yarns, automatically turn over and avoid when weft yarns pass, has the tension protection function, improves the stability of the yarn running track, reduces manual intervention, and significantly improves the working efficiency of the carbon fiber production line.

Description

Technical Field

[0001] This invention relates to the field of carbon fiber production line equipment technology, specifically to a magnetic yarn separating comb device for a carbon fiber production line. Background Technology

[0002] Carbon fiber, as a high-performance new material, possesses excellent properties such as high strength, high modulus, high temperature resistance, friction resistance, thermal conductivity, and corrosion resistance, and also has low density and high specific strength and specific modulus. It is mainly used as a reinforcing material in composites with resins, metals, ceramics, and carbon, and is widely applied in high-tech fields such as aerospace, automotive manufacturing, and sporting goods. In recent years, with the rapid development of the aerospace industry, the domestic demand for carbon fiber has shown a high-speed growth trend. Domestic carbon fiber manufacturers have made significant breakthroughs in both large-scale production and technology, realizing continuous production operations for carbon fiber.

[0003] Currently, carbon fiber comes in a wide variety of specifications. Classified by the number of monofilaments, common types include 3K, 6K, 12K, 24K, and 48K. Meanwhile, carbon fiber production lines are developing towards wider widths, gradually evolving from the initial 1-meter width to 3-meter, 4-meter, and 4.2-meter widths. These wide-width production lines often operate with hundreds of fiber bundles simultaneously.

[0004] In carbon fiber production, to increase output, the yarn gap is usually small, generally around 0.5mm to 1mm. During the transmission and drafting process, the yarn trajectory is prone to deviation, leading to problems such as yarn overlap and uneven distribution. Current technologies typically use conventional yarn separating combs or grooved rollers to solve this problem, but these methods have several drawbacks: replacing conventional yarn separating combs or grooved rollers after product specification adjustments is cumbersome; cleaning grooved rollers after they become entangled is difficult; the teeth of conventional yarn separating combs are prone to breakage; and conventional yarn separating combs cannot pass through weft yarns.

[0005] To improve the problem of uneven yarn distribution and facilitate the removal of fuzz from the kiln, weft yarns are usually added in the left and right directions of yarn movement. However, existing yarn separating devices cannot allow weft yarns to pass through while maintaining the yarn separating function, which seriously affects the continuous operation efficiency of the production line. Therefore, there is an urgent need to develop a new type of yarn separating comb that can effectively separate yarns while allowing weft yarns to pass through smoothly. Summary of the Invention

[0006] To address the shortcomings of existing technologies, the present invention aims to provide a magnetic yarn separating comb device for carbon fiber production lines. This device achieves precise positioning through an adjustable mounting beam assembly, and uses magnets to attract and lock the yarn separating plate assembly for normal yarn separation. When the weft push exceeds the magnetic attraction force, the yarn separating plate assembly independently rotates around the axis. A double-tooth 90° angle design maintains the yarn separating state throughout the process. After the weft passes through, it automatically resets due to eccentric gravity. Ultimately, this achieves integrated operation of stable yarn separation and automatic weft avoidance in the carbon fiber production line, solving problems such as existing yarn separating devices being unable to pass wefts, cumbersome replacement, and easy damage.

[0007] To achieve the above objectives, the present invention provides the following technical solution: A magnetic yarn separating comb device for a carbon fiber production line includes a mounting beam assembly, wherein a beam body is fixedly disposed on the front side of the mounting beam assembly, and the beam body has mounting holes. At least two pivot seats are arranged in a horizontal array on the crossbeam body. A pivot is installed in the pivot seat. A spacer and a yarn-dividing piece are connected in series on the pivot. Each yarn-dividing piece is rotatably connected to the pivot. A magnet is provided on the bottom of each yarn-dividing piece on the crossbeam body. The magnet is attracted to the bottom of the yarn-dividing piece.

[0008] Furthermore, the yarn separating plate assembly includes a yarn separating plate and a rotating shaft plate; the rotating shaft plate is sleeved on the rotating shaft, its bottom is magnetically connected to a magnet, and the center of gravity of the rotating shaft plate is lower than the axis of the rotating shaft, thus having an automatic reset function; The yarn separating plate is fixed to the rotating shaft plate. The yarn separating plate is provided with two teeth at a preset angle. During the weft yarn passage, at least one tooth is always in the yarn gap.

[0009] Furthermore, the included angle between the two teeth of the yarn separating plate is 90 degrees.

[0010] Furthermore, adjustable mounting seats are fixedly connected to both sides of the mounting beam assembly. The mounting beam assembly is installed onto the production line column through the adjustable mounting seats. The adjustable mounting seats have long grooves in the up-down and left-right directions. The fixed installation is fixed in an adjustable position through the long grooves, so as to realize the fine adjustment of the overall up-down and left-right position of the magnetic yarn separating comb device.

[0011] Furthermore, the mounting beam assembly has a scratch-resistant yarn rod fixedly mounted on the back of the beam body.

[0012] Furthermore, the yarn-splitting assembly is made of high-manganese steel, which is polished and then plated with hard chrome, and then subjected to a second polishing process after the hard chrome plating.

[0013] Furthermore, the spacer ring is made of stainless steel and is polished, and the thickness of the spacer ring can be changed according to the yarn spacing requirements of the production line.

[0014] Furthermore, the rotating shaft is a long shaft with a diameter of 4mm to 8mm.

[0015] Furthermore, one of the rotating shaft seats is provided every 20-30 cm along the axial direction of the rotating shaft.

[0016] Furthermore, the magnet is a replaceable magnet, and by replacing it with a magnet of different attractive forces, the overload protection force of the device can be adjusted within a range of 0.1-5 kg.

[0017] This device is fixed to the production line column by an adjustable mounting base. After fine-tuning the up, down, left, and right positions, the spacing between adjacent yarn separating components is precisely controlled by the spacer ring, so that the upper teeth of the yarn separating plate correspond one-to-one with the yarn gap. The rotating shaft seat supports the long rotating shaft at intervals of 20cm-30cm to prevent it from bending and deforming due to its own weight or tension, and to ensure the coaxiality of the rotation of all yarn separating components.

[0018] During normal operation, the preset attraction force generated by the magnet acts on the bottom of the rotating shaft plate, overcoming the slight tension of the yarn and locking the yarn separating plate assembly in the working position. The upper teeth of the yarn separating plate insert into the yarn gap to achieve stable separation and prevent the yarn from running off-center and overlapping. When the weft yarn passes through in a direction perpendicular to the yarn, the pushing force of the weft yarn on the teeth of the yarn separating plate is greater than the attraction force of the magnet, triggering the overload protection mechanism, and the yarn separating plate assembly rotates independently around the rotating shaft. Thanks to the special design of the 90° included angle of the double teeth of the yarn separating plate, at the moment when the upper tooth is about to leave the yarn gap, the lower tooth just inserts into the same gap, keeping at least one tooth in the yarn separating state throughout the process, completely avoiding the loss of control of the yarn trajectory during the rotation.

[0019] After the weft thread passes through, the external force disappears, and the rotating shaft plate automatically resets due to its eccentric design, with its center of gravity lower than the axis of rotation. The magnet then re-attaches and locks the rotating shaft plate, and the device returns to its initial working state. In addition, the anti-scratch yarn round rod on the back of the crossbeam body catches any broken or fallen yarn, preventing it from tangling around the rotating shaft or jamming the yarn separating assembly, further ensuring the reliability of continuous operation of the device.

[0020] Compared with the prior art, the beneficial effects of the present invention are: This invention features a yarn-separating component that can rotate around a pivot and is secured by a magnet. When the tension generated by the passing weft yarn exceeds the magnetic attraction, the yarn-separating component automatically flips to avoid it. After the weft yarn passes through, it automatically resets due to its center of gravity. This allows the weft yarn to pass smoothly while maintaining the yarn-separating function, ensuring the continuous operation of the production line.

[0021] The yarn separating plate adopts a double-tooth 90-degree angle design, ensuring that at least one tooth is always in the yarn gap during the flipping process, effectively guaranteeing the stability of the yarn running trajectory and avoiding yarn deviation and overlap.

[0022] By replacing spacers of different thicknesses, it can adapt to various yarn spacing conditions without replacing the entire yarn separating comb device, thus reducing equipment investment costs; the adjustable mounting base design allows for fine-tuning of the overall up, down, left, and right positions of the device, ensuring precise matching between the yarn separating plates and the yarn positions.

[0023] The yarn separating assembly is made of high manganese steel, polished and hard chrome plated, and then polished twice. The surface is smooth and wear-resistant, and the service life can reach more than 3 years. The shaft seats are set at intervals of 20cm to 30cm, which effectively prevents deformation of long shafts. The replaceable magnets can adjust the overload protection force according to the actual working conditions, making it widely applicable.

[0024] The anti-scratch yarn rod reduces the impact of broken yarn falling on the yarn separating plate assembly, further improving the reliability of the device operation. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the adjustable mounting beam assembly of the present invention; Figure 3 This is a schematic diagram of the structure of the yarn separating assembly of the present invention; Figure 4 This is a schematic diagram illustrating the operation of the weft yarn passing through the yarn separating component of the present invention; Figure 5 This is a schematic diagram of the overall three-dimensional structure of the present invention; In the diagram: 1. Mounting beam assembly; 11. Beam body; 12. Adjustable mounting base; 13. Anti-scratch yarn rod; 2. Yarn separating plate assembly; 21. Yarn separating plate; 22. Rotating shaft plate; 3. Spacer ring; 4. Rotating shaft; 5. Rotating shaft seat; 6. Magnet. Detailed Implementation

[0026] The technical solutions of the present invention will now be described in detail with reference to the accompanying drawings.

[0027] like Figures 1-4 As shown, a magnetic yarn separating comb device for a carbon fiber production line includes a mounting beam assembly 1, on the front side of which a beam body 11 is fixedly disposed, and the beam body 11 has mounting holes. At least two pivot seats 5 are arranged in a horizontal array on the crossbeam body 11. A pivot 4 is installed in the pivot seat 5. A spacer ring 3 and a yarn separating component 2 are connected in series on the pivot 4. Each yarn separating component 2 is rotatably connected to the pivot 4. A magnet 6 is provided on the bottom of each yarn separating component 2 on the crossbeam body 11. The magnet 6 is attracted to the bottom of the yarn separating component 2.

[0028] Furthermore, the yarn separating plate assembly 2 includes a yarn separating plate 21 and a rotating shaft plate 22; the rotating shaft plate 22 is sleeved on the rotating shaft 4, its bottom is attracted and connected to the magnet 6, and the center of gravity of the rotating shaft plate 22 is lower than the axis of the rotating shaft 4, thus having an automatic reset function. The yarn separating plate 21 is fixed on the rotating shaft plate 22. The yarn separating plate 21 is provided with two teeth at a preset angle. During the weft yarn passage, at least one tooth is always in the yarn gap.

[0029] Furthermore, the included angle between the two teeth of the yarn separating plate 21 is 90 degrees.

[0030] Furthermore, adjustable mounting seats 12 are fixedly connected to both sides of the mounting beam assembly 1. The mounting beam assembly 1 is installed on the production line column through the adjustable mounting seats 12. The adjustable mounting seats 12 have long grooves in the up-down and left-right directions. The fixed installation is fixed in an adjustable position through the long grooves, so as to realize the fine adjustment of the overall up-down and left-right position of the magnetic yarn separating comb device.

[0031] Furthermore, the mounting beam assembly 1 has a scratch-resistant yarn rod 13 fixedly mounted on the back of the beam body 11.

[0032] Furthermore, the yarn-separating component 2 is made of high manganese steel, which is polished and then plated with hard chrome, and then subjected to a second polishing process after the hard chrome plating.

[0033] Furthermore, the spacer ring 3 is made of stainless steel and is polished. The thickness of the spacer ring 3 can be changed according to the yarn spacing requirements of the production line.

[0034] Furthermore, the rotating shaft 4 is a long shaft with a diameter of 4mm to 8mm.

[0035] Furthermore, one of the rotating shaft seats 5 is provided every 20-30cm along the axial direction of the rotating shaft 4.

[0036] Furthermore, the magnet 6 is a replaceable magnet. By replacing the magnet 6 with one of different attractive forces, the overload protection force of the device can be adjusted within the range of 0.1-5 kg.

[0037] The working process of this invention is as follows: Installation and Debugging: Install the device on the production line column via the adjustable mounting base 12. Adjust the overall position of the device using the long groove of the adjustable mounting base 12 according to the height and lateral position of the yarn, ensuring the upper teeth of the yarn separating plate 21 are precisely inserted into the yarn gaps. Tighten the bolts to secure it. Select spacers 3 of appropriate thickness according to the yarn spacing requirements of the production line. Connect the yarn separating plate assembly 2 and spacers 3 sequentially onto the rotating shaft 4. After adjusting the spacing, install the rotating shaft 4 onto the rotating shaft seat 5. Select magnets 6 with appropriate attraction force according to the yarn tension and weft tension, and fix them below the corresponding yarn separating plate assembly 2 on the crossbeam body 11, so that the magnets 6 adhere to the bottom of the rotating shaft plate 22.

[0038] Normal operation: When the production line is running normally, the attraction force of magnet 6 is greater than the slight tension generated by the yarn running. The yarn separating plate assembly 2 remains fixed, and the yarn runs through the upper teeth of the yarn separating plate 21, which effectively prevents the yarn from running off-center and overlapping.

[0039] Weft yarn passage: When the weft yarn passes through in the direction perpendicular to the yarn's movement, it pushes the upper teeth of the yarn separating plate 21, generating a pulling force greater than the attraction force of the magnet 6. The yarn separating plate assembly 2 rotates 90 degrees clockwise around the shaft 4. At this time, the lower teeth of the yarn separating plate 21 insert into the yarn gap, continuing to maintain the yarn separating function, while the weft yarn passes smoothly through the gap between the two teeth.

[0040] Automatic Reset: After the weft yarn passes through, the tension acting on the yarn separating plate assembly 2 disappears. The rotating shaft plate 22 automatically flips counterclockwise to reset due to its own lower center of gravity design. The magnet 6 re-attaches the bottom of the rotating shaft plate 22, and the upper teeth of the yarn separating plate 21 return to the working position, and the device returns to normal yarn separating state.

[0041] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. These embodiments are merely descriptions of preferred embodiments and are not intended to limit the scope or concept of the invention. The specific technical features described in the above embodiments can be combined in any suitable manner without contradiction. Such combinations, as long as they do not violate the spirit of the present invention, should also be considered as part of this disclosure. To avoid unnecessary repetition, the present invention will not further describe the various possible combinations.

[0042] This invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this invention and without departing from the design idea of ​​this invention, all modifications and improvements made by those skilled in the art to the technical solutions of this invention should fall within the protection scope of this invention. The technical content for which protection is sought in this invention has been fully described in the claims.

Claims

1. A magnetic yarn separating comb device for a carbon fiber production line, comprising a mounting beam assembly (1), characterized in that, The front side of the mounting beam assembly (1) is fixedly provided with a beam body (11), and the beam body (11) has mounting holes; At least two pivot seats (5) are arranged in a horizontal array on the crossbeam body (11). A pivot (4) is installed in the pivot seat (5). A spacer (3) and a yarn-dividing component (2) are connected in series on the pivot (4). Each yarn-dividing component (2) is rotatably connected to the pivot (4). A magnet (6) is provided on the bottom of each yarn-dividing component (2) on the crossbeam body (11). The magnet (6) is attracted to the bottom of the yarn-dividing component (2).

2. The magnetic yarn separating comb device for a carbon fiber production line according to claim 1, characterized in that, The yarn separating plate assembly (2) includes a yarn separating plate (21) and a rotating shaft plate (22); the rotating shaft plate (22) is sleeved on the rotating shaft (4), its bottom is attracted to the magnet (6), and the center of gravity of the rotating shaft plate (22) is lower than the axis of the rotating shaft (4), and it has an automatic reset function; The yarn separating plate (21) is fixed on the rotating shaft plate (22). The yarn separating plate (21) has two teeth at a preset angle. During the weft yarn passage, at least one tooth is always in the yarn gap.

3. The magnetic yarn separating comb device for a carbon fiber production line according to claim 2, characterized in that, The included angle between the two teeth of the yarn separating plate (21) is 90 degrees.

4. The magnetic yarn separating comb device for a carbon fiber production line according to claim 1, characterized in that, The mounting beam assembly (1) is fixedly connected to adjustable mounting seats (12) on both sides. The mounting beam assembly (1) is installed on the production line column through the adjustable mounting seats (12). The adjustable mounting seats (12) have long grooves in the up-down and left-right directions. The position can be adjusted and fixedly installed through the long grooves, so as to realize the overall up-down and left-right position fine adjustment of the magnetic yarn separating comb device.

5. The magnetic yarn separating comb device for a carbon fiber production line according to claim 1, characterized in that, The mounting beam assembly (1) has a scratch-resistant yarn rod (13) fixedly mounted on the back of the beam body (11).

6. The magnetic yarn separating comb device for a carbon fiber production line according to any one of claims 1 or 2, characterized in that, The yarn splitting assembly (2) is made of high manganese steel, which is polished and then plated with hard chrome, and then subjected to a second polishing process after the hard chrome plating.

7. The magnetic yarn separating comb device for a carbon fiber production line according to claim 1, characterized in that, The spacer ring (3) is made of stainless steel and is polished. The thickness of the spacer ring (3) can be changed according to the yarn spacing requirements of the production line.

8. The magnetic yarn separating comb device for a carbon fiber production line according to claim 1, characterized in that, The shaft (4) is a long shaft with a diameter of 4mm to 8mm.

9. The magnetic yarn separating comb device for a carbon fiber production line according to claim 1, characterized in that, One of the rotating shaft seats (5) is provided every 20-30cm along the axial direction of the rotating shaft (4).

10. The magnetic yarn separating comb device for a carbon fiber production line according to claim 1, characterized in that, The magnet (6) is a replaceable magnet. By replacing the magnet (6) with different attractive forces, the overload protection force of the device can be adjusted within the range of 0.1-5kg.

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