Temporary storing and feeding device for carbon fiber grey yarn

Abstract

The utility model discloses a carbon fiber grey yarn temporary storage feeding device which comprises a conveying mechanism used for conveying yarn, a yarn blowing mechanism, a temporary storage frame and a material guiding mechanism, the conveying mechanism is located on the upstream of the temporary storage frame, and the temporary storage frame is located on the upstream of the material guiding mechanism; the temporary storage rack is provided with a temporary storage groove; the yarn blowing mechanism comprises an air blowing pipe and an air pump, an air outlet of the air blowing pipe is located above the temporary storage groove so as to blow yarn into the temporary storage groove, the air blowing pipe is communicated with the air pump, and the air cylinder is installed on the machine frame. The material guiding mechanism comprises a mounting block and two guiding plates, the yarn is located between the two guiding plates, and the two guiding plates are gradually inclined and close to each other in the yarn conveying direction. Yarns are blown into the temporary storage groove, so that the conveyed yarns are temporarily stored, the yarns are prevented from being disordered, and the feeding stability is ensured.

Description

Technical Field

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

[0002] Carbon fiber raw yarn has many excellent properties, including high axial strength and modulus, low density, high specific performance, no creep, and ultra-high temperature resistance in non-oxidizing environment. Carbon fiber cloth is a flat material composed of carbon fiber raw yarn (yarn).

[0003] In the process of weaving carbon fiber cloth through a braiding machine, yarn feeding is required to unwind the yarn from the yarn tube and continuously transport it to the braiding machine. Because the braiding machine is intermittently fed, the yarn needs to be kept relaxed, but in the actual production process, the relaxed yarn is easy to be messy. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a carbon fiber raw yarn temporary storage feeding device, which blows the yarn into a temporary storage groove, thereby temporarily storing the yarn being transported, preventing the yarn from being messy and ensuring the stability of feeding.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: a carbon fiber raw yarn temporary storage and feeding device, comprising a conveying mechanism for conveying yarn, a yarn blowing mechanism, a temporary storage rack and a material guiding mechanism, wherein the conveying mechanism is located upstream of the temporary storage rack, and the temporary storage rack is located upstream of the material guiding mechanism;

[0006] The temporary storage rack is provided with a temporary storage slot;

[0007] The yarn blowing mechanism comprises an air blowing pipe and an air pump, the air outlet of the air blowing pipe is located above the temporary storage tank to blow the yarn into the temporary storage tank, the air blowing pipe is connected to the air pump, and the air cylinder is installed on the frame, so as to temporarily store the yarn being transported to prevent the yarn from being messy;

[0008] The material guiding mechanism comprises a mounting block and two guide plates, the yarn is located between the two guide plates, the two guide plates gradually tilt and approach along the direction of yarn conveying, the yarn is limited by the two guide plates to ensure the stability of feeding, the two guide plates are mounted on the special-shaped rod, the end of the special-shaped rod extends to form a connecting head, the connecting head is inserted into the connecting hole of the mounting block, the bolt is threadedly connected to the connecting block and tightly pressed against the connecting head, the connecting block is mounted on the connecting rod, and the connecting rod is fixed to the temporary storage rack.

[0009] Furthermore, the conveying mechanism includes an upper pressure roller, a lower pressure roller, a mounting seat and a conveying drive motor that drives the lower pressure roller to rotate, the 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 conveying drive motor, and the conveying drive motor is installed on the frame, and through the setting of the compression spring, the upper pressure roller flexibly compresses the yarn to prevent slipping during transportation and the yarn from not rotating.

[0010] Furthermore, it also includes a U-shaped yarn guide, which is installed on the connecting rod and is provided with a yarn guide hole.

[0011] Furthermore, the cross section of the connector is circular.

[0012] Furthermore, the temporary storage rack is provided with a material guiding hole.

[0013] Furthermore, the guide plate is an aluminum plate.

[0014] Furthermore, one side of the guide plate is curled to form an axial hole, and the special-shaped rod is inserted into the axial hole.

[0015] The beneficial effects of the present invention include at least the following points:

[0016] The yarn blowing mechanism of the utility model comprises an air blowing pipe and an air pump, wherein the air outlet of the air blowing pipe is located above the temporary storage tank to blow the yarn into the temporary storage tank, thereby temporarily storing the yarn being transported to prevent the yarn from being messy;

[0017] The material guide mechanism of the utility model comprises a mounting block and two guide plates, the yarn is located between the two guide plates, the two guide plates are gradually inclined and approached along the direction of yarn conveying, the yarn is limited by the two guide plates to ensure the stability of feeding, it is worth noting that the two guide plates are mounted on the special-shaped rod, the end of the special-shaped rod extends to form a connector, the connector is inserted into the connecting hole of the mounting block, the bolt is threadedly connected to the connecting block and is tightly pressed against the connector, so that the special-shaped rod is rotated to adjust the clamping force between the two guide plates;

[0018] The upper pressing roller of the utility model is located above the lower pressing roller, sliders are installed on both sides of the upper pressing roller, a 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, and the setting of the compression spring enables the upper pressing roller to flexibly compress the yarn to prevent slipping during transportation, resulting in the yarn not rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 The utility model Figure 1 A magnified view of point A;

[0021] Figure 3 It is a structural schematic diagram of the material guiding mechanism of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the conveying mechanism of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the temporary storage rack of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the yarn conveying process of the utility model;

[0025] The parts in the accompanying drawings are marked as follows:

[0026] 1. Conveying mechanism; 11. Upper pressure roller; 12. Lower pressure roller; 13. Mounting seat; 131. Slide rail; 14. Conveying drive motor; 15. Sliding block; 16. Compression spring; 21. Blowing pipe; 22. Air pump; 3. Temporary storage rack; 31. Temporary storage slot; 32. Material guide hole; 33. Exhaust hole; 4. Material guide mechanism; 41. Mounting block; 42. Guide plate; 421. Axis hole; 43. Special-shaped rod; 44. Connector; 45. Bolt; 46. Connecting rod; 5. Yarn guide; 51. Yarn guide hole; 6. Yarn; 7. Frame. DETAILED DESCRIPTION

[0027] 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.

[0028] Embodiment: A carbon fiber raw yarn temporary storage and feeding device, such as Figure 1 and Figure 6 As shown, it includes a conveying mechanism 1 for conveying yarn 6, a yarn blowing mechanism, a temporary storage rack 3 and a material guiding mechanism 4, wherein the conveying mechanism 1 is located upstream of the temporary storage rack 3, and the temporary storage rack 3 is located upstream of the material guiding mechanism 4;

[0029] The temporary storage rack 3 is provided with a temporary storage slot 31;

[0030] like Figure 5As shown, in a specific implementation, exhaust holes 33 are provided on the bottom surface and side walls of the temporary storage tank, and the exhaust holes are connected to the exhaust pipe. Since the loose yarn is easy to be hooked to other places, causing the yarn to be messy, knotted or broken, a temporary storage tank is used for temporary storage.

[0031] The yarn blowing mechanism includes an air blowing pipe 21 and an air pump 22, the air outlet of the air blowing pipe 21 is located above the temporary storage tank 31 to blow the yarn 6 into the temporary storage tank 31, the air blowing pipe 21 is connected to the air pump 22, and the cylinder is installed on the frame 7;

[0032] like Figure 2 and Figure 3 As shown, the material guiding mechanism 4 includes a mounting block 41 and two guide plates 42, the yarn 6 is located between the two guide plates 42, the two guide plates 42 are gradually inclined and approached along the direction of conveying the yarn 6, the two guide plates 42 are mounted on a special-shaped rod 43, the end of the special-shaped rod extends to form a connector 44, the connector 44 is inserted into the connecting hole of the mounting block 41, the bolt 45 is threadedly connected to the connecting block and pressed against the connecting head 44, the connecting block is mounted on a connecting rod 46, and the connecting rod 46 is fixed to the temporary storage rack 3.

[0033] like Figure 4 As shown, the conveying mechanism 1 includes an upper pressure roller 11, a lower pressure roller 12, a mounting seat 13 and a conveying drive motor 14 for driving the lower pressure roller 12 to rotate, the yarn 6 is located between the upper pressure roller 11 and the lower pressure roller 12, the upper pressure roller 11 is located above the lower pressure roller 12, sliders 15 are installed on both sides of the upper pressure roller 11, the mounting seat 13 is installed with a slide rail 131 matching the slider 15, and the mounting seat 13 is fixed to the frame 7, the slider 15 can slide up and down along the direction of the slide rail 131, a clamping spring 16 is installed between the slider 15 and the mounting seat 13, the lower pressure roller 12 is connected to the output shaft of the conveying drive motor 14, and the conveying drive motor 14 is installed on the frame 7.

[0034] The device further comprises a U-shaped yarn guide 5 , which is mounted on the connecting rod 46 and is provided with a yarn guide hole 51 .

[0035] The cross section of the connecting head 44 is circular.

[0036] The temporary storage rack 3 is provided with a material guiding hole 32 .

[0037] The guide plate 42 is an aluminum plate, but is not limited thereto, and any plate with elasticity can be used.

[0038] One side of the guide plate 42 is curled to form an axial hole 421 , and the special-shaped rod 43 is inserted into the axial hole 421 .

[0039] The working principle of the utility model is as follows: the yarn is pressed between the upper pressure roller and the lower pressure roller, the conveying drive motor drives the lower pressure roller to rotate to convey the yarn, the air pump blows air downward through the blowing pipe to send the yarn into the temporary storage tank, and then the yarn passes through the guide hole of the temporary storage tank from the middle of the two guide plates, and finally is conveyed downstream through the yarn guide hole of the yarn guide member.

[0040] 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 raw yarn temporary storage and feeding device, characterized in that: It comprises a conveying mechanism (1) for conveying yarn (6), a yarn blowing mechanism, a temporary storage rack (3) and a material guiding mechanism (4), wherein the conveying mechanism is located upstream of the temporary storage rack, and the temporary storage rack is located upstream of the material guiding mechanism; The temporary storage rack is provided with a temporary storage slot (31); The yarn blowing mechanism comprises an air blowing pipe (21) and an air pump (22), the air outlet of the air blowing pipe being located above the temporary storage tank so as to blow the yarn into the temporary storage tank, the air blowing pipe being connected to the air pump, and the air pump being mounted on the frame (7); The material guide mechanism comprises a mounting block (41) and two guide plates (42), the yarn is located between the two guide plates, the two guide plates gradually tilt and approach along the direction of yarn conveying, the two guide plates are mounted on a special-shaped rod (43), the end of the special-shaped rod extends to form a connector (44), the connector is inserted into a connecting hole of the mounting block, a bolt (45) is threadedly connected to the connecting block and tightly abuts against the connecting head, the connecting block is mounted on a connecting rod (46), and the connecting rod is fixed to the temporary storage rack.

2. The carbon fiber raw yarn temporary storage and feeding device according to claim 1 is characterized in that: The conveying mechanism comprises an upper pressure roller (11), a lower pressure roller (12), a mounting seat (13) and a conveying drive motor (14) for driving the lower pressure roller to rotate, the 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 (15) are installed on both sides of the upper pressure roller, the mounting seat is installed with a slide rail (131) 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 clamping spring (16) is installed between the slider and the mounting seat, the lower pressure roller is connected to the output shaft of the conveying drive motor, and the conveying drive motor is installed on the frame.

3. The carbon fiber raw yarn temporary storage and feeding device according to claim 1 is characterized in that: It also comprises a U-shaped yarn guide member (5), the yarn guide member being mounted on the connecting rod, and the yarn guide member being provided with a yarn guide hole (51).

4. The carbon fiber raw yarn temporary storage and feeding device according to claim 1 is characterized in that: The cross section of the connector is circular.

5. The carbon fiber raw yarn temporary storage and feeding device according to claim 4 is characterized in that: The temporary storage rack is provided with a material guide hole (32).

6. The carbon fiber raw yarn temporary storage and feeding device according to claim 1, characterized in that: The guide plate is an aluminum plate.

7. The carbon fiber raw yarn temporary storage and feeding device according to claim 1, characterized in that: One side of the guide plate is curled to form an axial hole (421), and the special-shaped rod is inserted into the axial hole.

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