Carbon fiber yarn feeding device

Abstract

The utility model discloses a carbon fiber yarn feeding device which comprises a clamping mechanism, a yarn guide plate and a conveying mechanism, the clamping mechanism is located on the upstream of the yarn guide plate, and the yarn guide plate is located on the upstream of the conveying mechanism; the clamping mechanism comprises two clamping discs, two clamping arms and a clamping spring, the clamping spring drives the two clamping arms to get close to each other so as to clamp a yarn drum, the two clamping discs are rotationally connected to the clamping arms respectively, the yarn drum is arranged between the two clamping discs, carbon fiber yarn is wound on the yarn drum, the clamping arms are fixed to semi-ring sleeves, and the clamping arms are fixed to the semi-ring sleeves. The semi-ring sleeve is rotationally connected to the connecting pipe, the connecting pipe is arranged on the connecting rod in a sleeving mode, and the connecting rod is fixed to the rack. The clamping arms are close to each other under the action of the clamping springs to clamp a yarn drum, and the yarn drum is convenient to replace.

Description

Technical Field

[0001] The utility model belongs to the technical field of carbon fiber processing, in particular to a carbon fiber yarn feeding device. Background Art

[0002] Carbon fiber is a fiber composed of carbon element, and its diameter is usually 5-10 microns. Carbon fiber is characterized by light weight, high strength and high modulus, and is an ideal structural material. Carbon fiber cloth is a flat material composed of carbon fiber yarn, and its structure is similar to textiles, consisting of fabric or braid.

[0003] Carbon fiber yarn is generally wound on a yarn drum. When the carbon fiber yarn needs to be woven, the yarn drum wound with the carbon fiber yarn is put on a rotating shaft, and then the rotating shaft is installed on a carbon fiber cloth weaving machine. As a result, it takes a lot of effort to replace the yarn drum each time, and the operation is not very convenient. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a carbon fiber yarn feeding device, wherein the clamping arms are close to each other and clamp the yarn tube under the action of the clamping spring, so that the yarn tube can be replaced conveniently.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: a carbon fiber yarn feeding device, comprising a clamping mechanism, a yarn guide plate and a conveying mechanism, wherein the clamping mechanism is located upstream of the yarn guide plate, and the yarn guide plate is located upstream of the conveying mechanism;

[0006] The clamping mechanism comprises two clamping discs, two clamping arms and a clamping spring driving the two clamping arms to approach each other to clamp the yarn bobbin. The two clamping discs are respectively rotatably connected to the clamping arms, and the yarn bobbin is arranged between the two clamping discs. The yarn bobbin is wound with carbon fiber yarn. The clamping arm is fixed to a semi-annular sleeve, which is rotatably connected to a connecting tube. The connecting tube is sleeved on a connecting rod, which is fixed to a frame. The yarn bobbin is manually placed between the two clamping discs. The clamping arms are moved closer to each other under the action of the clamping spring to clamp the yarn bobbin, which is easy to operate.

[0007] The conductor plate is provided with guide holes corresponding to the carbon fiber yarns;

[0008] The conveying mechanism includes an upper pressure roller, a lower pressure roller, a mounting seat and a first driving motor that drives the lower pressure roller to rotate, the carbon fiber yarn is located between the upper pressure roller and the lower pressure roller, the upper pressure roller is located above the lower pressure roller, sliders are installed on both sides of the upper pressure roller, the mounting seat is installed with slide rails matching the sliders, and the mounting seat is fixed to the frame, the slider can slide up and down along the direction of the slide rail, a compression spring is installed between the slider and the mounting seat, the lower pressure roller is connected to the output shaft of the first driving motor, and the first driving motor is installed on the frame. Through the setting of the compression spring, the upper pressure roller flexibly compresses the carbon fiber yarn to prevent slipping during transportation and the carbon fiber yarn from not rotating.

[0009] Furthermore, one end of the clamping spring is connected to the clamping arm, and the other end of the clamping spring is connected to the connecting pipe.

[0010] Furthermore, the clamping disc protrudes to form a disc, and the two ends of the yarn tube are respectively sleeved on the disc.

[0011] Furthermore, a driving mechanism for driving the yarn bobbin to rotate is provided below the clamping disk, and the driving mechanism includes a conveying roller, a driven wheel, a belt and a second driving motor, the belt is sleeved on the driven wheel and the driving wheel, the driving wheel is connected to the output shaft of the second driving motor, the driven wheel is mounted on the rotating shaft, the rotating shaft is sleeved with the conveying roller, the conveying roller is tightly attached to the yarn bobbin, the rotating shaft and the second driving motor are both installed on the frame, and the yarn bobbin is tightly attached to the conveying roller under the action of gravity, so the yarn bobbin will rotate under the drive of the conveying roller, and cooperate with the conveying mechanism to make the fiber yarn conveying more stable.

[0012] Furthermore, the surface of the upper pressing roller, the lower pressing roller or the conveying roller is coated with an anti-slip layer.

[0013] Furthermore, the clamping arm is provided with a handle.

[0014] Furthermore, the frame is equipped with a material guide rod, which is an inverted U-shaped structure. The material guide rod is located between the clamping mechanism and the wire board, and the carbon fiber yarn is located above the material guide rod.

[0015] Furthermore, the inner diameter of the semi-annular sleeve is larger than the outer diameter of the connecting pipe.

[0016] The beneficial effects of the present invention include at least the following points:

[0017] The clamping mechanism of the utility model comprises two clamping discs, two clamping arms and a clamping spring driving the two clamping arms to approach each other to clamp the yarn tube. The two clamping discs are respectively rotatably connected to the clamping arms, and a yarn tube is arranged between the two clamping discs. The yarn tube is wound with carbon fiber yarn. The clamping arms are fixed to a semi-annular sleeve, which is rotatably connected to a connecting tube. The connecting tube is sleeved on a connecting rod, which is fixed to a frame. The yarn tube is manually placed between the two clamping discs. The clamping arms are moved closer to each other under the action of the clamping spring to clamp the yarn tube, which is easy to operate.

[0018] The upper pressing roller of the utility model is located above the lower pressing roller, and sliders are installed on both sides of the upper pressing roller, and the mounting seat is installed with slide rails matching the sliders, and the mounting seat is fixed to the frame, and the slider can slide up and down along the direction of the slide rails, and a compression spring is installed between the slider and the mounting seat. Through the setting of the compression spring, the upper pressing roller flexibly compresses the carbon fiber yarn to prevent it from slipping during the conveying process, and the carbon fiber yarn does not rotate. It is worth mentioning that the wire plate is provided with guide holes corresponding to the carbon fiber yarn, so as to position it;

[0019] The driving mechanism of the utility model comprises a conveying roller, a driven wheel, a belt and a second driving motor, the belt is sleeved on the driven wheel and the driving wheel, the driving wheel is connected to the output shaft of the second driving motor, the driven wheel is installed on the rotating shaft, the rotating shaft is sleeved with a conveying roller, the conveying roller is in close contact with the yarn tube, the second driving motor drives the rotating shaft to rotate through the belt, and the rotating shaft drives the conveying roller to rotate, because the yarn tube is in close contact with the conveying roller under the action of gravity, the yarn tube will rotate under the drive of the conveying roller, and cooperate with the conveying mechanism to make the fiber yarn conveying more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 The utility model Figure 1 A magnified view of point A;

[0022] Figure 3 It is a schematic diagram of the clamping arm and the yarn tube of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the conveying mechanism of the utility model;

[0024] The parts in the accompanying drawings are marked as follows:

[0025] 11. Clamping disk; 111. Disc; 12. Clamping arm; 13. Clamping spring; 14. Half ring; 15. Connecting tube; 16. Connecting rod; 17. Handle; 2. Yarn guide plate; 21. Guide hole; 3. Conveying mechanism; 31. Upper pressure roller; 32. Lower pressure roller; 33. Mounting seat; 331. Slide rail; 34. First drive motor; 35. Sliding block; 36. Compression spring; 4. Yarn tube; 5. Frame; 61. Conveying roller; 62. Driven wheel; 63. Belt; 64. Second drive motor; 65. Driving wheel; 66. Rotating shaft; 7. Guide rod. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0027] Embodiment: A carbon fiber yarn feeding device, such as Figure 1 As shown, it includes a clamping mechanism, a yarn guide plate 2 and a conveying mechanism 3, wherein the clamping mechanism is located upstream of the yarn guide plate 2, and the yarn guide plate 2 is located upstream of the conveying mechanism 3;

[0028] like Figure 3 As shown, the clamping mechanism includes two clamping discs 11, two clamping arms 12 and a clamping spring 13 for driving the two clamping arms 12 to approach each other to clamp the yarn tube 4. The two clamping discs 11 are rotatably connected to the clamping arms 12, and the yarn tube 4 is arranged between the two clamping discs 11. The yarn tube 4 is wound with carbon fiber yarn. Figure 2 As shown, the clamping arm 12 is fixed to a semi-annular sleeve 14, the semi-annular sleeve 14 is rotatably connected to a connecting pipe 15, the connecting pipe 15 is sleeved on a connecting rod 16, and the connecting rod 16 is fixed to the frame 5;

[0029] The conductor plate is provided with guide holes 21 corresponding to the carbon fiber yarns;

[0030] like Figure 4 As shown, the conveying mechanism 3 includes an upper pressure roller 31, a lower pressure roller 32, a mounting seat 33 and a first drive motor 34 for driving the lower pressure roller 32 to rotate, the carbon fiber yarn is located between the upper pressure roller 31 and the lower pressure roller 32, the upper pressure roller 31 is located above the lower pressure roller 32, sliders 35 are installed on both sides of the upper pressure roller 31, the mounting seat 33 is installed with a slide rail 331 matching the slider 35, and the mounting seat 33 is fixed to the frame 5, the slider 35 can slide up and down along the direction of the slide rail 331, a clamping spring 36 is installed between the slider 35 and the mounting seat 33, the lower pressure roller 32 is connected to the output shaft of the first drive motor 34, and the first drive motor 34 is installed on the frame 5.

[0031] One end of the clamping spring 13 is connected to the clamping arm 12 , and the other end of the clamping spring 13 is connected to the connecting pipe 15 .

[0032] The clamping plate 11 is raised to form a disc 111 , and two ends of the yarn tube 4 are respectively sleeved on the disc 111 .

[0033] A driving mechanism for driving the yarn tube 4 to rotate is provided below the clamping disk 11, and the driving mechanism includes a conveying roller 61, a driven wheel 62, a belt 63 and a second driving motor 64. The belt 63 is sleeved on the driven wheel 62 and the driving wheel 65. The driving wheel 65 is connected to the output shaft of the second driving motor 64. The driven wheel 62 is installed on the rotating shaft 66. The rotating shaft 66 is sleeved with the conveying roller 61. The conveying roller 61 is tightly attached to the yarn tube 4. The rotating shaft 66 and the second driving motor 64 are both installed on the frame 5.

[0034] The surface of the upper pressing roller 31, the lower pressing roller 32 or the conveying roller 61 is coated with an anti-skid layer. In a specific implementation, the anti-skid layer is a rubber anti-skid layer.

[0035] The clamping arm 12 is provided with a handle 17 .

[0036] The frame 5 is equipped with a guide rod 7 , which is an inverted U-shaped structure. The guide rod 7 is located between the clamping mechanism and the wire board, and the carbon fiber yarn is located above the guide rod 7 .

[0037] The inner diameter of the semi-annular sleeve 14 is greater than the outer diameter of the connecting pipe 15 .

[0038] The working principle of the utility model is as follows: when the yarn bobbin needs to be replaced, the handle is pulled to separate the two clamping arms, the yarn bobbin is removed, and then the two sides of the new yarn bobbin are put on the disc. The clamping arms are close to each other and clamp the yarn bobbin under the action of the clamping spring. The operation is convenient. Under the action of gravity, the yarn bobbin is tightly attached to the conveying roller, and the yarn bobbin will rotate under the drive of the conveying roller. At the same time, the first driving motor drives the lower pressure roller to rotate, and the lower pressure roller guides and conveys the carbon fiber yarn.

[0039] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A carbon fiber yarn feeding device, characterized in that: It comprises a clamping mechanism, a yarn guide plate (2) and a conveying mechanism (3), wherein the clamping mechanism is located upstream of the yarn guide plate, and the yarn guide plate is located upstream of the conveying mechanism; The clamping mechanism comprises two clamping discs (11), two clamping arms (12) and a clamping spring (13) for driving the two clamping arms to move closer to each other to clamp the yarn tube (4), the two clamping discs are respectively rotatably connected to the clamping arms, and the yarn tube is arranged between the two clamping discs, the yarn tube is wound with carbon fiber yarn, the clamping arm is fixed to a semi-annular sleeve (14), the semi-annular sleeve is rotatably connected to a connecting tube (15), the connecting tube is sleeved on a connecting rod (16), and the connecting rod is fixed to a frame (5); The yarn guide plate is provided with guide holes (21) corresponding to the carbon fiber yarns; The conveying mechanism comprises an upper pressure roller (31), a lower pressure roller (32), a mounting seat (33) and a first drive motor (34) for driving the lower pressure roller to rotate, the carbon fiber yarn is located between the upper pressure roller and the lower pressure roller, the upper pressure roller is located above the lower pressure roller, sliders (35) are installed on both sides of the upper pressure roller, the mounting seat is installed with a slide rail (331) matching the slider, and the mounting seat is fixed to the frame, the slider can slide up and down along the direction of the slide rail, a compression spring (36) is installed between the slider and the mounting seat, the lower pressure roller is connected to the output shaft of the first drive motor, and the first drive motor is installed on the frame.

2. The carbon fiber yarn feeding device according to claim 1, characterized in that: One end of the clamping spring is connected to the clamping arm, and the other end of the clamping spring is connected to the connecting pipe.

3. The carbon fiber yarn feeding device according to claim 1, characterized in that: The clamping disc protrudes to form a disc (111), and the two ends of the yarn tube are respectively sleeved on the disc.

4. The carbon fiber yarn feeding device according to claim 1, characterized in that: A driving mechanism for driving the yarn tube to rotate is provided below the clamping disk, the driving mechanism comprising a conveying roller (61), a driven wheel (62), a belt (63) and a second driving motor (64), the belt being sleeved on the driven wheel and the driving wheel (65), the driving wheel being connected to the output shaft of the second driving motor, the driven wheel being mounted on a rotating shaft (66), the rotating shaft being sleeved with the conveying roller, the conveying roller being in close contact with the yarn tube, and the rotating shaft and the second driving motor being both mounted on the frame.

5. The carbon fiber yarn feeding device according to claim 4, characterized in that: The surface of the upper pressing roller, the lower pressing roller or the conveying roller is coated with an anti-slip layer.

6. The carbon fiber yarn feeding device according to claim 1, characterized in that: The clamping arm is provided with a handle (17).

7. The carbon fiber yarn feeding device according to claim 1, characterized in that: The frame is equipped with a material guide rod (7), the material guide rod is an inverted U-shaped structure, the material guide rod is located between the clamping mechanism and the yarn guide plate, and the carbon fiber yarn is located above the material guide rod.

8. The carbon fiber yarn feeding device according to claim 1, characterized in that: The inner diameter of the semi-annular sleeve is greater than the outer diameter of the connecting pipe.

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