Anti-static fiber guide wheel for carbon fiber braiding machine

Abstract

The utility model discloses a kind of anti-static fibre guide wheels for carbon fibre braider, including guide wheel body and the length direction both sides of guide wheel body and set rotary lever, the guide wheel body and rotary lever integrated and all are metal material, the guide wheel is coated with conductive adhesive layer, the outer peripheral wall of the conductive adhesive layer is equipped with annular groove, the cross section of the annular groove is arc, the end of the rotary lever is provided with ground wire.The utility model has the effect of reducing static electricity generation and accelerating static electricity release, avoid the damage of carbon fibre wire due to static electricity.

Description

Technical Field

[0001] This utility model relates to the field of guide wheel technology, specifically an antistatic fiber guide wheel for a carbon fiber weaving machine. Background Technology

[0002] A carbon fiber braiding machine is a device used to weave carbon fiber filaments into various shapes and structures, and it has wide applications in aerospace, automotive manufacturing, and sporting goods. During the carbon fiber braiding process, the fiber guide rollers play a crucial role, guiding the direction of the carbon fiber filaments and ensuring the smooth progress of the braiding process.

[0003] However, existing fiber guide wheels used in carbon fiber braiding machines have some problems during use. Due to the frequent friction between the carbon fiber filaments and the guide wheel surface during high-speed movement, static electricity is easily generated. The accumulation of static electricity not only attracts surrounding dust and impurities, affecting the quality of the carbon fiber filaments and the weaving effect, but may also cause electrical sparks, posing a safety hazard. Utility Model Content

[0004] Based on the above-mentioned problems existing in the prior art, the purpose of this utility model embodiment is to provide an antistatic fiber guide wheel for a carbon fiber weaving machine.

[0005] The technical solution adopted by this utility model to solve its technical problem is: an antistatic fiber guide wheel for a carbon fiber braiding machine, including a guide wheel body and rotating rods disposed on both sides of the guide wheel body along its length. The guide wheel body and the rotating rods are integrally formed and are both made of metal. The guide wheel is covered with a conductive adhesive layer. An annular groove is formed on the outer peripheral wall of the conductive adhesive layer. The cross-section of the annular groove is arc-shaped. A grounding wire is provided at the end of the rotating rod.

[0006] Furthermore, a recessed hole is provided at the center of the end of the rotating rod away from the guide wheel body, and a connecting shaft is rotatably disposed in the recessed hole, the connecting shaft being connected to a grounding wire.

[0007] Furthermore, a support ring is attached to the inner peripheral wall of the conductive adhesive layer by means of adhesive bonding, and the support ring is embedded in the guide wheel.

[0008] Furthermore, the guide wheel body includes a left wheel and a right wheel. Both the left wheel and the right wheel include a rotating wheel and a spindle disposed at the center of one side of the rotating wheel. A threaded groove is formed at the center of one of the spindles, and a threaded rod corresponding to the threaded groove is disposed at the center of the other spindle.

[0009] Furthermore, several slots are provided on the facing surfaces of the left and right wheels, and corresponding locking blocks are provided at both ends of the support ring along its length.

[0010] Furthermore, the surface of the conductive adhesive layer is coated with a lubricant.

[0011] Compared with the prior art, the beneficial effects achieved by this utility model are: the annular groove on the conductive adhesive layer can increase the contact area between the conductive adhesive layer and the carbon fiber wire, and the surface of the conductive adhesive layer is smooth with a low coefficient of friction. Both can reduce the generation of static electricity. The grounding wire can release the static electricity in time, avoiding the accumulation of static electricity that could generate electric sparks or even fire. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] In the picture:

[0014] Figure 1 This is a front view of Embodiment 1 of this utility model;

[0015] Figure 2 yes Figure 1 Sectional view at point AA;

[0016] Figure 3 This is an exploded view of Embodiment 1 of this utility model;

[0017] Figure 4 This is a front view of Embodiment 2 of this utility model;

[0018] In the picture:

[0019] 1. Guide wheel; 11. Left wheel; 12. Right wheel; 13. Rotating rod; 14. Mandrel; 15. Threaded rod; 16. Threaded groove; 2. Connecting shaft; 3. Conductive adhesive layer; 31. Annular groove; 4. Support ring; 41. Locking block. Detailed Implementation

[0020] The present invention will now be described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0021] Example 1: Please refer to Figure 1-3 The present invention provides a technical solution: an antistatic fiber guide wheel for a carbon fiber braiding machine, comprising a guide wheel 1 body and rotating rods 13 disposed on both sides of the guide wheel 1 body along its length. The guide wheel 1 body and the rotating rods 13 are integrally formed and are both made of metal. The guide wheel 1 is covered with a conductive adhesive layer 3. An annular groove 31 is formed on the outer peripheral wall of the conductive adhesive layer 3. The cross-section of the annular groove 31 is arc-shaped. A grounding wire is provided at the end of the rotating rods 13.

[0022] The guide wheel 1 is made of metal, such as iron and alloys, which has high strength. The conductive adhesive layer 3 can be made of conductive rubber, conductive silicone, etc., which is soft and has a certain buffering performance. This avoids "hard friction" or local compression caused by tension fluctuations in the carbon fiber wire or slight eccentricity of the guide wheel 1 when in contact with the carbon fiber wire, which could lead to scratches, breakage, or coating peeling on the wire surface. The diameter of the first arc groove is the same as the diameter of the carbon fiber wire, thereby increasing the contact area between the carbon fiber wire and the conductive adhesive layer 3 and reducing the generation of static electricity. At the same time, the annular groove 31 can also limit the carbon fiber wire to a certain extent, preventing the carbon fiber wire from deviating. The rotating rod 13 passes through the bearing to facilitate the rotation of the guide wheel 1, reducing the power required for the rotation of the guide wheel 1. At the same time, the grounding wire can release the static electricity accumulated on the carbon fiber and the conductive adhesive layer 3, reducing the damage of static electricity to the carbon fiber wire.

[0023] A recessed hole is provided at the center of the end of the rotating rod 13 away from the body of the guide wheel 1. A connecting shaft 2 is rotatably installed in the recessed hole and connected to a grounding wire.

[0024] The terminal shaft 2 is fixed by a fixed bracket to prevent the terminal shaft 2 from rotating with the rotating rod 13. This method avoids the end of the grounding wire from getting tangled or even breaking when it rotates with the rotating rod 13.

[0025] A support ring 4 is attached to the inner peripheral wall of the conductive adhesive layer 3 by adhesive bonding, and the support ring 4 is embedded in the guide wheel 1;

[0026] To prevent the conductive adhesive layer 3 from shifting due to friction with the carbon fiber wire, the conductive adhesive layer 3 is fixedly connected to the support ring 4. The conductive adhesive layer 3 is fixed by fixing the support ring 4, and the support ring 4 also provides support and reinforcement for the conductive adhesive layer 3.

[0027] The guide wheel 1 body includes a left wheel 11 and a right wheel 12. Both the left wheel 11 and the right wheel 12 include a rotating wheel and a spindle 14 located at the center of one side of the rotating wheel. A threaded groove 16 is opened at the center of one spindle 14, and a threaded rod 15 corresponding to the threaded groove 16 is provided at the center of the other spindle 14.

[0028] The guide wheel 1 is divided into a left wheel 11 and a right wheel 12, which are easy to disassemble and replace with support rings 4 and conductive adhesive layers 3 of different specifications. The diameter of the annular grooves 31 on different conductive adhesive layers 3 is different, which can be adapted to carbon fiber wires of different diameters.

[0029] Several slots are provided on the facing surfaces of the left wheel 11 and the right wheel 12, and the two ends of the support ring 4 along the length direction are provided with corresponding slot blocks 41;

[0030] The support ring 4 is limited and fixed by the slot and the block 41 to prevent relative rotation between the support ring 4 and the guide wheel 1.

[0031] The surface of conductive adhesive layer 3 is coated with lubricant;

[0032] The friction between the conductive adhesive layer 3 and the carbon fiber wire is reduced by using a lubricant, thereby reducing the generation of static electricity.

[0033] Example 2: Figure 4 As shown, multiple support rings 4 and conductive adhesive layers 3 are provided between the left wheel 11 and the right wheel 12, which can simultaneously pull multiple carbon fiber wires.

[0034] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the scope of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. An antistatic fiber guide wheel for a carbon fiber braiding machine, characterized in that: The device includes a guide wheel body and rotating rods disposed on both sides of the guide wheel body along its length. The guide wheel body and the rotating rods are integrally formed and are both made of metal. The guide wheel is covered with a conductive adhesive layer, and an annular groove is formed on the outer peripheral wall of the conductive adhesive layer. The cross-section of the annular groove is arc-shaped. A grounding wire is provided at the end of the rotating rod.

2. The antistatic fiber guide wheel for a carbon fiber braiding machine according to claim 1, characterized in that: A recessed hole is provided at the center of the end of the rotating rod away from the guide wheel body, and a connecting shaft is rotatably installed in the recessed hole, the connecting shaft being connected to a grounding wire.

3. The antistatic fiber guide wheel for a carbon fiber braiding machine according to claim 1, characterized in that: The inner peripheral wall of the conductive adhesive layer is connected to a support ring by adhesive bonding, and the support ring is embedded in the guide wheel.

4. The antistatic fiber guide wheel for a carbon fiber braiding machine according to claim 3, characterized in that: The guide wheel body includes a left wheel and a right wheel. Both the left wheel and the right wheel include a rotating wheel and a spindle located at the center of one side of the rotating wheel. One of the spindles has a threaded groove at its center, and the other spindle has a threaded rod corresponding to the threaded groove at its center.

5. The antistatic fiber guide wheel for a carbon fiber braiding machine according to claim 4, characterized in that: Several slots are provided on the facing surfaces of the left and right wheels, and corresponding locking blocks are provided at both ends of the support ring along its length.

6. The antistatic fiber guide wheel for a carbon fiber braiding machine according to claim 1, characterized in that: The surface of the conductive adhesive layer is coated with a lubricant.

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