High-temperature stretching device for carbon fiber exhaust pipe

By designing a high-temperature stretching device and utilizing the synergistic effect of electric heating and mechanical components, the problems of low fixing efficiency and difficulty in length control of carbon fiber exhaust pipes were solved, achieving a highly efficient stretching process and improving manufacturing efficiency and stability.

CN223864315UActive Publication Date: 2026-02-03HUBEI HENGYI CARBON FIBER CO LTD
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Patent Information

Application Number
CN202520521368.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-03
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

Existing carbon fiber exhaust pipe stretching devices have low fixing efficiency, are difficult to control the stretching length, and are not convenient for auxiliary heating, resulting in low manufacturing efficiency.

Method used

A high-temperature stretching device was designed, comprising components such as a mounting plate, slide groove, sealed bearing, rotating lead screw, geared motor, fixed frame, electric push rod, electric heating plate, servo motor, positive and negative screws, electric hydraulic rod, and arc-shaped clamping plate. The device achieves the positioning, heating, and stretching of the exhaust pipe through heating by the electric heating plate, adjusting the distance by the electric push rod, rotating by the geared motor, and controlling by the servo motor.

Benefits of technology

This improved the stretching efficiency of carbon fiber exhaust pipes, reduced the workload for workers, and ensured the stability and precision of the stretching process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a carbon fiber exhaust pipe high-temperature stretching device which comprises a mounting plate, a sliding groove is formed in the upper surface of the mounting plate, two sealing bearings are fixedly embedded in the inner side wall of the sliding groove, and inner rings of the two sealing bearings are jointly and fixedly connected with a rotating lead screw. And a gear motor is fixedly connected to the right side surface of the mounting plate. According to the device, the mounting plate, the fixing plate and the electric heating plate are arranged, an exhaust pipe to be stretched can be conveniently heated through the electric heating plate, the heating distance between the electric heating plate and the exhaust pipe can be conveniently adjusted in cooperation with the pushing force of an electric push rod, and the situation that the exhaust pipe is loosened during stretching is avoided; and in addition, a forward and reverse screw rod can be driven to rotate by combining rotation of a servo motor, the forward and reverse screw rod is in threaded connection with the supporting frames in a matched mode, the two supporting frames can be conveniently driven to be away from each other, the length of the exhaust pipe can be stretched, the stretching efficiency is improved, and the labor amount of workers is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of exhaust pipes, and in particular to a high-temperature stretching device for carbon fiber exhaust pipes. Background Technology

[0002] The exhaust pipe is installed between the engine exhaust manifold and the muffler, making the entire exhaust system flexibly connected. This reduces vibration and noise, facilitates installation, and extends the life of the exhaust muffler system. The exhaust pipe is mainly used in light vehicles, microcars, buses, and motorcycles. The exhaust pipe structure is a double-layer corrugated pipe covered with a steel wire mesh sleeve, and straight-edge sections at both ends are fitted with retaining rings. To improve the muffler effect, expansion joints or mesh sleeves can be fitted inside the corrugated pipe.

[0003] Currently, carbon fiber exhaust pipes require stretching during production. Existing stretching devices have low fixing efficiency for exhaust pipes and are not convenient for controlling the stretching length. Furthermore, they are not convenient for auxiliary heating of the exhaust pipe during stretching, which greatly reduces the production efficiency of exhaust pipes. Therefore, we propose a high-temperature stretching device for carbon fiber exhaust pipes to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a high-temperature stretching device for carbon fiber exhaust pipes to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A high-temperature stretching device for carbon fiber exhaust pipes includes a mounting plate. A groove is formed on the upper surface of the mounting plate. Two sealed bearings are fixedly embedded in the inner wall of the groove. The inner rings of the two sealed bearings are jointly and fixedly connected to a rotating lead screw. A reduction motor is fixedly connected to the right side of the mounting plate. The output end of the reduction motor is fixedly connected to the right end of the rotating lead screw. A fixing frame is threaded onto the outer surface of the rotating lead screw. Electric push rods are fixedly embedded in the inner bottom wall and the inner top wall of the fixing frame. Fixed plates are fixedly connected to the ends of the two electric push rods that are close to each other. Fixed plates are also fixedly connected to the sides of the two fixed plates that are close to each other. An electric heating plate is fixedly installed. A sliding groove is formed on the upper surface of the mounting plate. Two pressure bearings are fixedly embedded in the inner wall of the sliding groove. The inner rings of the two pressure bearings are fixedly connected to a positive and negative screw. Two support frames are threadedly connected to the outer surface of the positive and negative screw. A servo motor is fixedly connected to the right side of the mounting plate. The output end of the servo motor is fixedly connected to the right end of the positive and negative screw. An electric hydraulic rod is fixedly embedded in the inner top wall and the inner bottom wall of each support frame. An arc-shaped clamp is fixedly connected to the end of each set of electric hydraulic rods that is close to each other. A positioning post is fixedly connected to the inner wall of each support frame.

[0007] In a further embodiment, a control switch is fixedly connected to the front of the mounting plate, and the outer surface of each support frame is slidably connected to the inner wall of the sliding groove.

[0008] In a further embodiment, supplementary lights are fixedly installed on the side of the two support frames that are close to each other, and the outer surface of the fixed frame is slidably connected to the inner wall of the groove.

[0009] In a further embodiment, a set of T-shaped support frames are fixedly connected to the bottom surface of the mounting plate, and each T-shaped support frame has anti-slip texture on its bottom surface.

[0010] In a further embodiment, both the outer surface of the servo motor and the outer surface of the geared motor are fixedly connected to reinforcing blocks, and the left side of each reinforcing block is fixedly connected to the right side of the mounting plate.

[0011] In a further embodiment, the outer surface of the mounting plate is coated with a waterproof layer, and both the servo motor and the geared motor are connected to the power supply via wires.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This device is equipped with a mounting plate, a sliding groove, a sealed bearing, a rotating screw, a geared motor, a fixed frame, an electric push rod, a fixed plate, and an electric heating plate. The electric heating plate can be used to easily heat the exhaust pipe to be stretched. With the pushing force of the electric push rod, the heating distance between the electric heating plate and the exhaust pipe can be easily adjusted. In addition, the rotation of the geared motor can drive the rotating screw to rotate. With the rotating screw threadedly connected to the fixed frame and the fixed frame slidingly connected to the sliding groove, it can easily move the electric heating plate left and right to heat the exhaust pipe.

[0014] 2. This device is equipped with a sliding groove, pressure bearing, positive and negative screws, support frame, servo motor, electro-hydraulic rod, arc-shaped clamp, and positioning column. The positioning column can easily position the exhaust pipe to be stretched, and with the pushing force of the electro-hydraulic rod, it can easily fix the exhaust pipe with the arc-shaped clamp to prevent it from loosening during stretching. In addition, the rotation of the servo motor can drive the positive and negative screws to rotate, and with the positive and negative screws threadedly connected to the support frame, it can easily move the two support frames away from each other and stretch the length of the exhaust pipe. This not only improves the stretching efficiency but also reduces the workload of workers. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of the mounting plate in the high-temperature stretching device for carbon fiber exhaust pipes.

[0016] Figure 2This is a rear view of the mounting plate in the high-temperature stretching device for carbon fiber exhaust pipes.

[0017] Figure 3 This is a top view of the mounting plate in the high-temperature stretching device for carbon fiber exhaust pipes.

[0018] Figure 4 This is a side view of the mounting plate in the high-temperature stretching device for carbon fiber exhaust pipes.

[0019] In the diagram: 1. Mounting plate; 2. Slide groove; 3. Sealed bearing; 4. Rotating lead screw; 5. Gear motor; 6. Fixing frame; 7. Electric push rod; 8. Fixing plate; 9. Electric heating plate; 10. Slide groove; 11. Pressure bearing; 12. Positive and negative screws; 13. Support frame; 14. Servo motor; 15. Electro-hydraulic rod; 16. Arc-shaped clamp; 17. Positioning column; 18. Control switch; 19. T-shaped support frame; 20. Supplementary light; 21. Reinforcing block. Detailed Implementation

[0020] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 In this utility model, a high-temperature stretching device for carbon fiber exhaust pipes includes a mounting plate 1. A groove 2 is formed on the upper surface of the mounting plate 1. Two sealed bearings 3 are fixedly embedded in the inner wall of the groove 2. A rotating lead screw 4 is fixedly connected to the inner rings of the two sealed bearings 3. A reduction motor 5 is fixedly connected to the right side of the mounting plate 1. The output end of the reduction motor 5 is fixedly connected to the right end of the rotating lead screw 4. A fixing frame 6 is threadedly connected to the outer surface of the rotating lead screw 4. Electric push rods 7 are fixedly embedded in the inner bottom wall and the inner top wall of the fixing frame 6. The ends of the two electric push rods 7 are close to each other. Each mounting plate 1 is fixedly connected to a fixing plate 8. Electric heating plates 9 are fixedly installed on the sides of the two fixing plates 8 that are close to each other. A sliding groove 10 is formed on the upper surface of the mounting plate 1. Two pressure bearings 11 are fixedly embedded in the inner wall of the sliding groove 10. The inner rings of the two pressure bearings 11 are fixedly connected to a positive and negative screw 12. Two support frames 13 are threadedly connected to the outer surface of the positive and negative screw 12. A servo motor 14 is fixedly connected to the right side of the mounting plate 1. The output end of the servo motor 14 is fixedly connected to the right end of the positive and negative screw 12. The inner top wall and inner bottom wall of each support frame 13 are... An electric hydraulic rod 15 is fixedly embedded in the frame. An arc-shaped clamping plate 16 is fixedly connected to one end of each set of electric hydraulic rods 15 that is close to each other. A positioning post 17 is fixedly connected to the inner wall of each support frame 13. The electric heating plate 9 can be used to easily heat the exhaust pipe to be stretched. Combined with the pushing force of the electric push rod 7, the heating distance between the electric heating plate 9 and the exhaust pipe can be easily adjusted. Furthermore, the rotation of the reduction motor 5 can drive the rotating screw 4 to rotate. The rotating screw 4 is threadedly connected to the fixed frame 6, and the fixed frame 6 is slidably connected to the slide groove 2, which can easily drive the electric heating plate. 9. The exhaust pipe is heated by moving left and right. The positioning column 17 can be used to easily position the exhaust pipe to be stretched. With the pushing force of the electric hydraulic rod 15, the arc-shaped clamp 16 can be used to fix the exhaust pipe and prevent it from loosening during stretching. In addition, the rotation of the servo motor 14 can drive the positive and negative screws 12 to rotate. With the positive and negative screws 12 threadedly connected to the support frame 13, it can easily move the two support frames 13 away from each other and stretch the length of the exhaust pipe. This not only improves the stretching efficiency but also reduces the workload of the workers.

[0024] A control switch 18 is fixedly connected to the front of the mounting plate 1. The outer surface of each support frame 13 is slidably connected to the inner wall of the sliding groove 10. The operation of the electrical components can be easily set using the control switch 18. A supplementary light 20 is fixedly installed on the side of the two support frames 13 that are close to each other. The outer surface of the fixed frame 6 is slidably connected to the inner wall of the sliding groove 2. The supplementary light 20 can be used to provide supplementary lighting for the operator. A set of T-shaped support frames 19 is fixedly connected to the bottom surface of the mounting plate 1. Each T-shaped support frame 19 has anti-slip texture on its bottom surface. The T-shaped support frames 19 can be used to easily support and position the equipment.

[0025] The outer surfaces of the servo motor 14 and the geared motor 5 are both fixedly connected with reinforcing blocks 21. The left side of each reinforcing block 21 is fixedly connected to the right side of the mounting plate 1. The reinforcing blocks 21 can improve the stability of the servo motor 14 and the geared motor 5 and prevent them from becoming loose. The outer surface of the mounting plate 1 is coated with a waterproof layer. The servo motor 14 and the geared motor 5 are both connected to the power supply through wires, which can improve the corrosion resistance of the mounting plate 1.

[0026] The working principle of this utility model is as follows:

[0027] First, transport it to the location of use, connect the electrical components to the power supply, and press the external control switch 18 to set the required program. Simultaneously, place the carbon fiber exhaust pipe to be stretched onto the surface of the two positioning posts 17. Then, activate the electric hydraulic rod 15 to fix the arc-shaped clamp 16 in conjunction with the positioning posts 17, and activate the electric heating plate 9. Activate the electric push rod 7 to adjust the distance between the electric heating plate 9 and the exhaust pipe, and activate the reduction motor 5. The rotation of the reduction motor 5 causes the rotating screw 4 to move the fixing frame 6 and the electric heating plate 9 left and right to heat the exhaust pipe. Next, the servo motor 14 operates, and the rotation of the servo motor 14 causes the positive and negative screws 12 to move the two support frames 13 away from each other. The movement of the two support frames 13 away from each other stretches the exhaust pipe. The above is the complete usage process of this utility model.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-temperature stretching device for carbon fiber exhaust pipes, characterized in that: The mounting plate (1) has a groove (2) on its upper surface. Two sealed bearings (3) are fixedly embedded in the inner wall of the groove (2). The inner rings of the two sealed bearings (3) are fixedly connected to a rotating screw (4). A geared motor (5) is fixedly connected to the right side of the mounting plate (1). The output end of the geared motor (5) is fixedly connected to the right end of the rotating screw (4). A fixing frame (6) is threaded onto the outer surface of the rotating screw (4). Electric push rods (7) are fixedly embedded in the inner bottom wall and the inner top wall of the fixing frame (6). A fixing plate (8) is fixedly connected to the end of each of the two electric push rods (7) that are close to each other. An electric heating plate (9) is fixedly installed on the side of each of the two fixing plates (8) that are close to each other. 1) has a sliding groove (10) on its upper surface. Two pressure bearings (11) are fixedly embedded in the inner wall of the sliding groove (10). The inner rings of the two pressure bearings (11) are fixedly connected to a positive and negative screw (12). The outer surface of the positive and negative screw (12) is threadedly connected to two support frames (13). A servo motor (14) is fixedly connected to the right side of the mounting plate (1). The output end of the servo motor (14) is fixedly connected to the right end of the positive and negative screw (12). An electric hydraulic rod (15) is fixedly embedded in the inner top wall and the inner bottom wall of each support frame (13). An arc-shaped clamp (16) is fixedly connected to the end of each set of electric hydraulic rods (15) that is close to each other. A positioning column (17) is fixedly connected to the inner wall of each support frame (13).

2. The high-temperature stretching device for carbon fiber exhaust pipes according to claim 1, characterized in that: A control switch (18) is fixedly connected to the front of the mounting plate (1), and the outer surface of each support frame (13) is slidably connected to the inner wall of the sliding groove (10).

3. The high-temperature stretching device for carbon fiber exhaust pipes according to claim 1, characterized in that: A supplementary light (20) is fixedly installed on one side of each of the two support frames (13) that are close to each other, and the outer surface of the fixed frame (6) is slidably connected to the inner wall of the slide groove (2).

4. The high-temperature stretching device for carbon fiber exhaust pipes according to claim 1, characterized in that: The bottom surface of the mounting plate (1) is fixedly connected to a set of T-shaped support frames (19), and the bottom surface of each T-shaped support frame (19) is provided with anti-slip texture.

5. The high-temperature stretching device for carbon fiber exhaust pipes according to claim 1, characterized in that: The outer surface of the servo motor (14) and the outer surface of the geared motor (5) are both fixedly connected with reinforcing blocks (21), and the left side of each reinforcing block (21) is fixedly connected to the right side of the mounting plate (1).

6. The high-temperature stretching device for carbon fiber exhaust pipes according to claim 1, characterized in that: The outer surface of the mounting plate (1) is coated with a waterproof layer, and the servo motor (14) and the geared motor (5) are both connected to the power supply via wires.