Die for carbon fiber woven cylinder products

By designing a mold for carbon fiber woven tube products, and utilizing heating and a clamping plate structure to keep the rotating plates aligned, the problem of carbon fiber woven plates being unable to form tubes in existing technologies has been solved, achieving efficient carbon fiber tube forming.

CN224160861UActive Publication Date: 2026-04-24KYBEN CARBON NEUTRAL (TIANJIN) NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KYBEN CARBON NEUTRAL (TIANJIN) NEW MATERIALS CO LTD
Filing Date
2025-05-08
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing carbon fiber tube forming processes cannot form tubes from woven carbon fiber woven sheets.

Method used

A mold for carbon fiber woven tube products was designed, including components such as a shaping inner cylinder, a circular base, a positioning shaft, and a U-shaped clamping plate. The mold is heated by a heating rod and uses the positioning shaft and clamping plate structure to keep the first and second semi-circular rotating plates in an aligned state to prevent them from opening, thereby achieving the shaping of the carbon fiber woven board.

Benefits of technology

This method effectively shapes the carbon fiber woven sheet, ensuring it maintains its shape during heating and improving the forming quality of the carbon fiber cylinder.

✦ Generated by Eureka AI based on patent content.

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Abstract

A mold for carbon fiber woven cylinder type products comprises a shaping inner cylinder, a round base, a positioning shaft rod, a U-shaped clamping plate, a side connecting lug, a rotating shaft, a first semicircular rotating plate, a second semicircular rotating plate and a heating rod, the lower portion of the shaping inner cylinder is connected with the round base, the round base is provided with a round receding hole, and a threading hole channel is formed in the side face of the round base; a first side sleeve is arranged on the side face of the first semicircular rotating plate, a second side sleeve is arranged on the side face of the second semicircular rotating plate, the diameter of the first side sleeve is the same as that of the second side sleeve, the positioning shaft rod is matched with the first side sleeve, and the positioning shaft rod penetrates through the first side sleeve. The positioning shaft rod is matched with the second side sleeve and penetrates through the second side sleeve, the positioning shaft rod rotates in the first side sleeve and the second side sleeve, the first side sleeve is attached to the second side sleeve, and the upper surface of the first side sleeve is attached to the shaft rod upper plate.
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Description

Technical Field

[0001] This utility model relates to the field of carbon fiber, and in particular to a mold for carbon fiber woven tube products. Background Technology

[0002] In the existing carbon fiber tube forming process, the forming process is generally hot pressing. However, this forming method is limited to the forming of carbon fiber material and cannot form tubes from woven carbon fiber woven sheets. Therefore, a mold for carbon fiber woven tube products is needed. Summary of the Invention

[0003] This utility model addresses the aforementioned shortcomings of the existing technology by providing a mold for carbon fiber woven tube products. This mold prevents the carbon fiber woven board from opening during the shaping process, and utilizes a first semi-circular rotating plate and a second semi-circular rotating plate to shape the outer side of the carbon fiber woven tube. The carbon fiber woven board is then placed within the gap between the inner shaping cylinder and the first and second semi-circular rotating plates for shaping.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A mold for carbon fiber braided tube products includes a shaping inner cylinder, a circular base, a positioning shaft, a U-shaped clamping plate, side connecting ears, a rotating shaft, a first semi-circular rotating plate, a second semi-circular rotating plate, and a heating rod. The lower part of the shaping inner cylinder is connected to the circular base, which has a circular clearance hole and a wire passage on its side. The circular clearance hole communicates with the shaping inner cylinder. The lower part of the positioning shaft is connected to the circular base, and the upper part of the positioning shaft has a shaft upper plate. The first semi-circular rotating plate has a first side sleeve, and the second semi-circular rotating plate has a second side sleeve. The first and second side sleeves have the same diameter. The positioning shaft is adapted to the first side sleeve and passes through the first side sleeve. The positioning shaft is adapted to the second side sleeve and passes through the second side sleeve. The positioning shaft rotates within the first and second side sleeves. The first and second side sleeves are in contact with each other, and the upper surface of the first side sleeve is in contact with the shaft upper plate.

[0006] The first and second semicircular rotating plates have the same inner and outer diameters. The upper surface of the shaping inner cylinder is in contact with the upper part of the second semicircular rotating plate. The upper surface of the first side sleeve is in contact with the upper part of the first semicircular rotating plate. The lower surfaces of the first and second semicircular rotating plates are in contact with the circular base. Heating rods are connected to the upper part of the circular mounting plate. Multiple heating rods are evenly distributed on the upper part of the circular mounting plate.

[0007] The circular mounting plate is adapted to the shaping inner cylinder. The circular mounting plate is inserted into the shaping inner cylinder. The lower surface of the circular mounting plate is connected to the circular base. The outer side of the heating rod is in contact with the shaping inner cylinder. The power cord of the circular mounting plate passes through the circular clearance hole and the wire channel. The first semicircular rotating plate has a first side plate on its side, and the second semicircular rotating plate has a second side plate on its side. The first side plate and the second side plate are in contact with each other.

[0008] The second side plate has a second slot, and the first side plate has a first slot. The first slot and the second slot are aligned. The lower part of the side connecting ear is connected to a circular base. The lower side of the U-shaped plate fits into the side connecting ear. The lower part of the U-shaped plate is connected to a set of side connecting ears through a pivot. The U-shaped plate is adapted to the first slot and the second slot. The U-shaped plate is inserted into the first slot and the second slot. Beneficial effects

[0009] 1. The circular base of this utility model is used as the base of the device. The shaping inner cylinder is installed and fixed on the circular base. The circular clearance hole is connected to the shaping inner cylinder. When the circular mounting plate is installed in the shaping inner cylinder, the power cord on it runs out from the circular clearance hole and the wire passage and is connected to the power source, so that the heating rod can work and heat. The circular mounting plate is installed inside the shaping inner cylinder, so that multiple heating rods distributed inside the shaping inner cylinder can transfer heat to the shaping inner cylinder, so that the shaping inner cylinder heats and shapes the carbon fiber woven board attached to its outside. The shaping inner cylinder shapes the inside of the carbon fiber woven cylinder.

[0010] 2. The positioning shaft of this utility model passes through the first side sleeve and the second side sleeve in sequence and connects to the circular base, so that the first and second semicircular rotating plates are installed on the circular base. The symmetrically arranged first and second semicircular rotating plates are aligned on the outside of the shaping inner cylinder. The lower part of the U-shaped clamping plate is connected to symmetrical side connecting ears via a rotating shaft, so that the lower part of the U-shaped clamping plate is mounted on the circular base and can rotate. When the symmetrical first and second semicircular rotating plates rotate to align the first and second side plates, the U-shaped clamping plate is rotated to make the U-shaped... The card plate is inserted into slots one and two. The U-shaped card plate prevents the first and second semi-circular rotating plates from opening during the shaping of carbon fiber woven tubes, keeping them in an aligned state during use. It also prevents the carbon fiber woven board from opening during the shaping process. The first and second semi-circular rotating plates work together to shape the outer side of the carbon fiber woven tube. The carbon fiber woven board is placed in the gap between the inner shaping cylinder and the first and second semi-circular rotating plates for shaping. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the mold structure for a carbon fiber braided tube product according to the present invention.

[0012] Figure 2This is a cross-sectional view of a mold for a carbon fiber woven tube product according to the present invention.

[0013] Figure 3 This is a top view of the shaped inner cylinder and circular base described in this utility model.

[0014] Figure 4 This is a bottom view of the shaped inner cylinder and circular base described in this utility model.

[0015] Figure 5 This is a schematic diagram of the No. 1 semicircular rotating plate structure described in this utility model.

[0016] Figure 6 This is a schematic diagram of the No. 2 semi-circular rotating plate structure described in this utility model. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:

[0018] Example 1:

[0019] A mold for carbon fiber braided tube products includes a shaping inner cylinder 01, a circular base 02, a positioning shaft 04, a U-shaped clamping plate 06, a side connecting lug 07, a rotating shaft 08, a first semi-circular rotating plate 09, a second semi-circular rotating plate 13, and a heating rod 18. The lower part of the shaping inner cylinder 01 is connected to the circular base 02, which serves as the base of the device. The shaping inner cylinder 01 is mounted and fixed on the circular base 02. The circular base 02 has a circular clearance hole 19 and a wire passage 03 on its side. The circular clearance hole 19 communicates with the shaping inner cylinder 01, allowing the power cord on the circular mounting plate 17 to exit through the circular clearance hole 19 and the wire passage 03 and connect to a power source when it is installed inside the shaping inner cylinder 01, thus enabling the heating rod 18 to operate and heat the device. The lower part of the positioning shaft 04 is connected to the circular base 02. The positioning shaft 04 has an upper shaft plate 05 on its upper part. The first semicircular rotating plate 09 has a first side sleeve 10 on its side, and the second semicircular rotating plate 13 has a second side sleeve 14 on its side. The first side sleeve 10 and the second side sleeve 14 have the same diameter. The positioning shaft 04 is adapted to the first side sleeve 10 and passes through the first side sleeve 10. The positioning shaft 04 is adapted to the second side sleeve 14 and passes through the second side sleeve 14. The positioning shaft 04 rotates inside the first side sleeve 10 and the second side sleeve 14, so that the first semicircular rotating plate 09 and the second semicircular rotating plate 13 are installed on the circular base 02, so that the symmetrically arranged first semicircular rotating plate 09 and the second semicircular rotating plate 13 are aligned on the outside of the shaping inner cylinder 01. The first side sleeve 10 and the second side sleeve 14 are in contact with each other, and the upper surface of the first side sleeve 10 is in contact with the upper shaft plate 05.

[0020] Example 2:

[0021] The first semicircular rotating plate 09 and the second semicircular rotating plate 13 of this utility model have the same inner and outer diameters. The upper surface of the shaping inner cylinder 01 is in contact with the upper part of the second semicircular rotating plate 13. The upper surface of the first side sleeve 10 is in contact with the upper part of the first semicircular rotating plate 09. The lower surfaces of the first semicircular rotating plate 09 and the second semicircular rotating plate 13 are in contact with the circular base 02. The upper part of the circular mounting plate 17 is connected to the heating rods 18. Multiple heating rods 18 are evenly distributed on the upper part of the circular mounting plate 17. The circular mounting plate 17 is installed inside the shaping inner cylinder 01, so that multiple heating rods 18 distributed inside the shaping inner cylinder 01 transfer heat to the shaping inner cylinder 01, so that the shaping inner cylinder 01 heats and shapes the carbon fiber woven board attached to its exterior, and shapes the interior of the carbon fiber woven cylinder.

[0022] Example 3:

[0023] The circular mounting plate 17 of this utility model is adapted to the shaping inner cylinder 01. The circular mounting plate 17 is inserted into the shaping inner cylinder 01. The lower surface of the circular mounting plate 17 is connected to the circular base 02. The outer side of the heating rod 18 is in contact with the shaping inner cylinder 01. The power cord of the circular mounting plate 17 passes through the circular clearance hole 19 and the wire passage 03. The side of the first semi-circular rotating plate 09 has a first side plate 11, and the side of the second semi-circular rotating plate 13 has a second side plate 15. The first side plate 11 and the second side plate 15 are in contact.

[0024] Example 4:

[0025] The second side plate 15 of this utility model has a second slot 16, and the first side plate 11 has a first slot 12. The first slot 12 is aligned with the second slot 16. The lower part of the side connecting ear 07 is connected to the circular base 02. The lower side of the U-shaped plate 06 fits against the side connecting ear 07. The lower part of the U-shaped plate 06 is connected to a set of side connecting ears 07 through a rotating shaft 08, so that the lower part of the U-shaped plate 06 is mounted on the circular base 02 and can rotate. The U-shaped plate 06 is adapted to the first slot 12 and the second slot 16. The U-shaped plate 06 is inserted into the first slot 12 and the second slot 16. When the symmetrical first semicircular rotating plate 09 and the second semicircular rotating plate 13 rotate, one When side plate 11 and side plate 15 are aligned, rotate U-shaped clamp 06 to insert it into slot 12 and slot 16. U-shaped clamp 06 prevents semi-circular rotating plate 09 and semi-circular rotating plate 13 from opening during the shaping of carbon fiber woven tubes, keeping them aligned during use. It also prevents them from opening during the shaping of carbon fiber woven boards. Semi-circular rotating plate 09 and semi-circular rotating plate 13 work together to shape the outer side of the carbon fiber woven tube. The carbon fiber woven board is placed in the gap between the inner shaping cylinder 01 and semi-circular rotating plate 09 and semi-circular rotating plate 13 for shaping.

[0026] Example 5:

[0027] The installation steps of this utility model are as follows: First, install the heating rod 18 on the circular mounting plate 17, insert the circular mounting plate 17 into the shaping inner cylinder 01, connect the lower part of the shaping inner cylinder 01 to the circular base 02, connect the side connecting ears 07 to the circular base 02, connect the lower part of the U-shaped clamping plate 06 to a set of side connecting ears 07 through the rotating shaft 08, align the first side sleeve 10 and the second side sleeve 14, pass the positioning shaft rod 04 through the first side sleeve 10 and the second side sleeve 14 in sequence to connect to the circular base 02, surround the carbon fiber woven board on the outside of the shaping inner cylinder 01, align the first semi-circular rotating plate 09 and the second semi-circular rotating plate 13, rotate the U-shaped clamping plate 06 to insert the U-shaped clamping plate 06 into the first slot 12 and the second slot 16, and start the heating equipment to heat the shaping inner cylinder 01 and shape the carbon fiber woven board.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A mold for carbon fiber woven tube products, characterized in that: The structure includes a shaping inner cylinder (01), a circular base (02), a positioning shaft (04), a U-shaped clamping plate (06), a side connecting ear (07), a rotating shaft (08), a first semi-circular rotating plate (09), a second semi-circular rotating plate (13), and a heating rod (18). The lower part of the shaping inner cylinder (01) is connected to the circular base (02). The circular base (02) has a circular clearance hole (19). The side of the circular base (02) has a wire passage (03). The circular clearance hole (19) communicates with the shaping inner cylinder (01). The lower part of the positioning shaft (04) is connected to the circular base (02). The upper part of the positioning shaft (04) has a shaft upper plate (05). The first semi-circular rotating plate (08) is connected to the circular base (02). The upper part of the positioning shaft (04) has a shaft upper plate (05). The plate (09) has a first side sleeve (10) on its side, and the second semi-circular rotating plate (13) has a second side sleeve (14) on its side. The first side sleeve (10) and the second side sleeve (14) have the same diameter. The positioning shaft (04) is adapted to the first side sleeve (10). The positioning shaft (04) passes through the first side sleeve (10). The positioning shaft (04) is adapted to the second side sleeve (14). The positioning shaft (04) passes through the second side sleeve (14). The positioning shaft (04) rotates inside the first side sleeve (10) and the second side sleeve (14). The first side sleeve (10) and the second side sleeve (14) are in contact. The upper surface of the first side sleeve (10) is in contact with the upper plate (05) of the shaft.

2. The mold for carbon fiber braided tube products according to claim 1, characterized in that: The upper surface of the shaping inner cylinder (01) is in contact with the upper part of the second semi-circular rotating plate (13), the upper surface of the first side sleeve (10) is in contact with the upper part of the first semi-circular rotating plate (09), the lower surfaces of the first semi-circular rotating plate (09) and the second semi-circular rotating plate (13) are in contact with the circular base (02), and the upper part of the circular mounting plate (17) is connected to the heating rod (18), and multiple heating rods (18) are evenly distributed on the upper part of the circular mounting plate (17).

3. The mold for carbon fiber braided tube products according to claim 2, characterized in that: The circular mounting plate (17) is adapted to the shaping inner cylinder (01). The circular mounting plate (17) is inserted into the shaping inner cylinder (01). The lower surface of the circular mounting plate (17) is connected to the circular base (02). The outer side of the heating rod (18) is in contact with the shaping inner cylinder (01). The power cord of the circular mounting plate (17) passes through the circular clearance hole (19) and the wire passage (03). The side of the first semi-circular rotating plate (09) has a first side plate (11), and the side of the second semi-circular rotating plate (13) has a second side plate (15). The first side plate (11) and the second side plate (15) are in contact.

4. The mold for carbon fiber braided tube products according to claim 3, characterized in that: The second side plate (15) has a second slot (16), and the first side plate (11) has a first slot (12). The first slot (12) is aligned with the second slot (16). The lower part of the side connecting ear (07) is connected to the circular base (02), and the lower side of the U-shaped plate (06) is in contact with the side connecting ear (07).

5. A mold for carbon fiber braided tube products according to claim 2, characterized in that... The lower part of the U-shaped card plate (06) is connected to a set of side connecting ears (07) through a rotating shaft (08). The U-shaped card plate (06) is inserted into the first card slot (12) and the second card slot (16).