Carbon fiber belt dipping device

Abstract

The utility model discloses a carbon fiber belt dipping device, which belongs to the field of carbon fiber belt preparation, is used for solving the problem that the tensile force of a carbon fiber belt is difficult to maintain in a preset range in the dipping process, and comprises an unreeling mechanism and a tensile force detection mechanism, the unreeling mechanism comprises an unreeling cylinder and an unreeling motor, the unreeling cylinder is rotatably arranged on a rack, and the unreeling motor is arranged on the rack; the unwinding motor is arranged on the rack and used for sleeving a carbon fiber belt, and the unwinding motor is fixedly arranged on the rack and used for driving the unwinding drum to rotate and controlling the rotating speed of the unwinding drum; the tensioning force detection mechanism comprises a mounting carrier and a pressure detection device, the mounting carrier is fixedly connected with the rack and located on a preset path, and the pressure detection device is arranged in the mounting carrier and used for detecting the tensioning force of the carbon fiber belt; wherein the pressure detection device feeds back the tension information of the carbon fiber belt to the control device, and the control device controls the rotating speed of the unwinding motor according to the tension information so as to control the rotating speed of the unwinding drum, so that the tension is maintained in a preset range.

Description

Technical Field

[0001] The utility model relates to the field of carbon fiber tape preparation, and particularly relates to a carbon fiber tape impregnation device. Background Art

[0002] In order to improve the properties such as strength, hardness, and toughness of carbon fiber tapes, carbon fiber tapes need to be impregnated. Currently, for the device used in the impregnation treatment of carbon fiber tapes, since the outer diameter of the carbon fiber roll gradually becomes smaller during the processes of unwinding, impregnating, and winding, and the unwinding speed remains unchanged, it is difficult to maintain the tension of the carbon fiber tape within a preset range, thereby affecting the winding of the carbon fiber tape along the preset path and with the preset force, and affecting the final impregnation effect of the carbon fiber tape.

[0003] It should be noted that the information disclosed in the above background art section is only used to enhance the understanding of the background of the present disclosure, and thus may include information that does not constitute the prior art known to those of ordinary skill in the art. Summary of the Invention

[0004] (I) Technical Problems to be Solved

[0005] The utility model provides a carbon fiber tape impregnation device, and the at least solved technical problem is: how to maintain the tension of the carbon fiber tape within a preset range during the impregnation process.

[0006] (II) Technical Solutions

[0007] To solve the above technical problems, the utility model provides the following technical solutions:

[0008] A carbon fiber tape impregnation device includes:

[0009] A frame;

[0010] An unwinding mechanism, including an unwinding drum and an unwinding motor. The unwinding drum is rotatably arranged on the frame and is used for sleeving the carbon fiber tape. The unwinding motor is fixedly arranged on the frame and is used for driving the unwinding drum to rotate and controlling the rotation speed of the unwinding drum;

[0011] A winding mechanism, arranged on the frame and located at the rear end of the unwinding mechanism, for winding the carbon fiber tape output from the unwinding drum;

[0012] An impregnation tank, located between the unwinding drum and the winding mechanism, for containing the impregnation liquid;

[0013] At least two intermediate rollers, arranged on the frame and located between the unwinding drum, the impregnation tank, and the winding mechanism, for guiding the carbon fiber tape to be conveyed along a preset path, and the preset path passes through the impregnation tank;

[0014] The tension detection mechanism includes an installation carrier and a pressure detection device. The installation carrier is fixedly connected to the frame and is located on the preset path. The pressure detection device is arranged inside the installation carrier and is used to detect the tension of the carbon fiber belt.

[0015] Among them, the pressure detection device feeds back the tension information of the carbon fiber belt to the control device. The control device controls the rotation speed of the unwinding motor according to the tension information to control the rotation speed of the unwinding drum, so as to maintain the tension within a preset range.

[0016] In some embodiments, the installation carrier includes a fixed roller fixedly connected to the frame. The fixed roller is provided with an inner cavity and an opening communicating the inner cavity and the outside. A cover is provided at the opening to form a complete outer surface of the fixed roller. The pressure detection device is fixedly arranged inside the inner cavity and is connected to the cover. During the impregnation process of the carbon fiber belt, the cover contacts the carbon fiber belt and transmits the pressure of the carbon fiber belt to the pressure detection device.

[0017] In some embodiments, the tension detection mechanism further includes a return spring. The return spring is located inside the inner cavity and between the cover and the fixed roller, and is used to drive the cover to reset after being pressed.

[0018] In some embodiments, at least two spaced guide posts are arranged inside the inner cavity of the fixed roller and are arranged towards the opening. The pressure detection device is provided with guide holes adapted to the guide posts and is sleeved on the guide posts through the guide holes. The return spring is sleeved on the guide posts, and both ends respectively abut against the outside of the guide holes and the cover.

[0019] In some embodiments, a wiring hole communicating with the inner cavity is provided at the end of the fixed roller. The wiring hole is used to lead out the circuit of the pressure detection device.

[0020] In some embodiments, an annular magnet is provided at the end of the fixed roller. The annular magnet surrounds the wiring hole. The frame includes a metal plate. The metal plate is provided with a relief hole. The fixed roller is adsorbed and fixed on the metal plate by the annular magnet. The wiring hole and the relief hole are opposite in position, so that the circuit in the wiring hole can be led out from the relief hole.

[0021] In some embodiments, the tension detection mechanism is located between two adjacent intermediate rollers. The fixed roller and the intermediate roller jointly guide the carbon fiber belt to be conveyed along the preset path.

[0022] (III) Beneficial effects

[0023] Compared with the prior art, the carbon fiber tape impregnating device provided by the utility model has the following beneficial effects:

[0024] The carbon fiber tape impregnating device of the utility model cleverly utilizes the synergistic effect of the unwinding motor, the intermediate roller, the impregnating tank and the winding mechanism to realize the continuous and stable transmission of the carbon fiber tape. The combination of the tension detection mechanism and the control device realizes the real-time monitoring and precise regulation of the tension of the carbon fiber tape.

[0025] During the operation process, as the outer diameter of the carbon fiber roll naturally decreases, if no corresponding measures are taken, the tension of the carbon fiber tape will inevitably increase, which may affect the impregnating effect and subsequent processing. And this device instantaneously captures the change of the tension through the pressure detection device and quickly feeds back this key data to the control device. The control device then adjusts the rotation speed of the unwinding motor, thereby dynamically adjusting the rotation speed of the unwinding reel to ensure that the output speed of the carbon fiber tape matches the demand, effectively maintaining the tension within the optimal preset range. This not only effectively prevents the carbon fiber tape from breaking or being damaged due to excessive tension, but also avoids the slack and slipping phenomena caused by insufficient tension, significantly improving the stability and reliability of the carbon fiber tape during the impregnating process.

[0026] At the same time, the automated control process reduces manual intervention, lowers the operation difficulty and labor intensity, further improves the production efficiency and product consistency, and provides a solid guarantee for the high-quality production of carbon fiber products. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is the front view of the carbon fiber tape impregnating device in the embodiment.

[0028] Figure 2 It is the schematic diagram of the tension detection mechanism in the radial section of the fixed roller in the embodiment.

[0029] Figure 3 It is the schematic diagram of the tension detection mechanism in the axial section of the fixed roller in the embodiment.

[0030] REFERENCE MARKS:

[0031] Frame 1, unwinding mechanism 2, winding mechanism 3, impregnating tank 4, intermediate roller 5, tension detection mechanism 6, metal plate 10, relief hole 11, unwinding reel 21, unwinding motor 22, mounting carrier 61, pressure detection device 62, return spring 63, annular magnet 64, fixed roller 610, inner cavity 611, opening 612, cover 613, guide post 614, groove 615, wiring hole 616, guide hole 620. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0033] When the existing carbon fiber tape impregnating device works, it is difficult to maintain the tension of the carbon fiber tape within a preset range, which in turn affects the winding of the carbon fiber tape along the preset path and with the preset force, and affects the final impregnation effect of the carbon fiber tape.

[0034] To solve the above technical problems, the present embodiment provides a carbon fiber tape impregnating device. Please refer to Figures 1 to 3 as shown in Figure 1 Figure 10 is the front view of the carbon fiber tape impregnating device in the embodiment. Figure 2 Figure 12 is a schematic diagram of the tension detection mechanism in the radial section of the fixed roller in the embodiment. Figure 3 Figure 14 is a schematic diagram of the tension detection mechanism in the axial section of the fixed roller in the embodiment.

[0035] The carbon fiber tape impregnating device of the present embodiment, as Figure 1 shown, includes: a frame 1, a pay-off mechanism 2, a take-up mechanism 3, an impregnation tank 4, an intermediate roller 5, and a tension detection mechanism 6.

[0036] The pay-off mechanism 2 includes a pay-off reel 21 and a pay-off motor 22. The pay-off reel 21 is rotatably arranged on the frame 1 and is used for sleeving the carbon fiber tape, that is, sleeving the wound carbon fiber tape. The pay-off motor 22 is fixedly arranged on the frame 1 and is in transmission connection with the pay-off reel 21, and is used to drive the pay-off reel 21 to rotate and control the rotation speed of the pay-off reel 21.

[0037] The take-up mechanism 3 is arranged on the frame 1 and is located at the rear end of the pay-off mechanism 2, and is used for winding the carbon fiber tape output by the pay-off reel 21.

[0038] The impregnation tank 4 is located between the pay-off reel 21 and the take-up mechanism 3, and is used for accommodating the impregnation liquid, and the impregnation liquid is used for the impregnation treatment of the carbon fiber tape.

[0039] The intermediate roller 5 is arranged on the frame 1 and is located between the pay-off reel 21, the impregnation tank 4, and the take-up mechanism 3, and is used to guide the carbon fiber tape to be conveyed along a preset path. The preset path passes through the impregnation tank 4, so that the carbon fiber tape can be impregnated through the impregnation tank 4.

[0040] The tension detection mechanism 6 includes an installation carrier 61 and a pressure detection device 62. The installation carrier 61 is fixedly connected to the frame 1 and is located on the preset path. The pressure detection device 62 is arranged inside the installation carrier 61 and is used to detect the tension of the carbon fiber tape.

[0041] When the carbon fiber tape impregnating device of the above technical solution is working, the unwinding mechanism 2 drives the unwinding reel 21 to rotate through the unwinding motor 22 to output the carbon fiber tape. Under the guidance of the intermediate roller 5, the carbon fiber tape sequentially passes through the impregnating tank 4 and the winding mechanism 3 to achieve impregnation and winding. During this process, the tension detection mechanism 6 detects the tension of the carbon fiber tape through the pressure detection device 62, and feeds back the tension information of the carbon fiber tape to the control device. The control device controls the rotation speed of the unwinding motor 22 according to the tension information to control the rotation speed of the unwinding reel 21, so as to maintain the tension within a preset range. For example, when the outer diameter of the carbon fiber roll gradually decreases during the unwinding process, since the rotation speed of the unwinding reel 21 remains unchanged, the tension of the carbon fiber tape will gradually increase. At this time, the pressure detection device 62 feeds back the tension information of the carbon fiber tape to the control device, and the control device controls the unwinding reel 21 to increase the rotation speed through the unwinding motor 22 to increase the output speed of the carbon fiber tape, so that the tension is restored to the preset range, thereby improving the stability and reliability of the carbon fiber tape during unwinding and winding in the impregnation process.

[0042] It can be understood that the control device can control the rotation speed of the unwinding motor 22 according to a preset algorithm. The above algorithm can be an existing algorithm, and its basic principle is that when the tension exceeds the preset range, the rotation speed of the unwinding motor 22 is increased, and when the tension is less than the preset range, the rotation speed of the unwinding motor 22 is decreased.

[0043] In one embodiment where the above pressure detection device 62 is provided inside the mounting carrier 61, refer to Figure 2 As shown, the mounting carrier 61 includes a fixed roller 610 fixedly connected to the frame 1. The fixed roller 610 is provided with an inner cavity 611 and an opening 612 communicating the inner cavity 611 and the outside. A sealing cover 613 is provided at the opening 612. The sealing cover 613 is used to form a complete outer surface of the fixed roller 610 with the main body of the fixed roller 610, so that the carbon fiber tape can smoothly contact the fixed roller 610 and ensure that the carbon fiber tape moves smoothly when passing through the area of the sealing cover 613; the pressure detection device 62 is fixedly provided in the inner cavity 611 and connected to the sealing cover 613; during the impregnation process of the carbon fiber tape, the sealing cover 613 contacts the carbon fiber tape as a pressure transmission member of the pressure detection device and transmits the pressure of the carbon fiber tape to the pressure detection device 62, so that the pressure detection device 62 can detect the tension of the carbon fiber tape.

[0044] Exemplarily, refer to Figure 2 As shown, a gap for the sealing cover 613 to move is provided between the sealing cover 613 and the fixed roller 610.

[0045] Exemplarily, refer to Figure 2 As shown, the above outer surface is a smooth circumferential surface.

[0046] Exemplarily, the pressure detection device 62 is fixedly arranged in the inner cavity 611 by means of screw connection or bonding.

[0047] Further, referring to Figure 2 As shown, the tension detection mechanism 6 further includes a return spring 63. The return spring 63 is located in the inner cavity 611 and between the cover 613 and the fixed roller 610, and is used to drive the cover 613 to reset after being pressed. With such a setting, the elastic force of the return spring 63 forms a dynamic balance with the tension of the carbon fiber belt, driving the cover 613 to automatically reset and making the conveying of the carbon fiber belt smoother.

[0048] For the convenience of installing the pressure detection device 62 and the spring, and at the same time, making the acting direction of the return spring 63 perpendicular to the cover 613, referring to Figure 2 As shown, the fixed roller 610 is provided with at least two spaced guide posts 614 that are arranged towards the opening 612 in the inner cavity 611. The pressure detection device 62 is provided with guide holes 620 adapted to the guide posts 614 and is sleeved on the guide posts 614 through the guide holes 620; the return spring 63 is sleeved on the guide posts 614, and both ends respectively abut against the outside of the guide holes 620 and the cover 613.

[0049] Exemplarily, one end of the guide post 614 is provided with an external thread, and the cavity wall of the inner cavity 611 is provided with a threaded hole. The guide post 614 is fixed relative to the fixed roller 610 by the cooperation of the external thread and the threaded hole.

[0050] Further, referring to Figure 2 As shown, the cover 613 is sleeved on the guide post 614 through a through hole. The end of the guide post 614 is provided with a head that restricts the cover 613 from detaching from the guide post 614. At the same time, the cover 613 is provided with a groove 615 for accommodating the head to prevent the head from protruding from the outer surface of the fixed roller 610 and scratching the cover 613.

[0051] Exemplarily, the head is a screw head and can be operated and rotated by a screwdriver so that the guide post 614 is threadedly connected to the fixed roller 610.

[0052] For the convenience of leading out the circuit of the pressure detection device 62 from the fixed roller 610, referring to Figure 3 As shown, for connection with an external control device, the end of the fixed roller 610 is provided with a wiring hole 616 communicating with the inner cavity 611, and the wiring hole 616 is used to lead out the circuit of the pressure detection device 62.

[0053] In one implementation manner of the above-mentioned fixed roller 610 being fixedly connected to the frame 1, referring to Figure 3As shown, an annular magnet 64 is provided at the end of the fixed roller 610, and the annular magnet 64 is arranged around the wiring hole 616; the frame 1 includes a metal plate 10, and the metal plate 10 is provided with a relief hole 11. The fixed roller 610 is adsorbed and fixed on the metal plate 10 by the annular magnet 64, and the wiring hole 616 and the relief hole 11 are opposite in position so that the circuit in the wiring hole 616 can be led out from the relief hole 11. With such an arrangement, the annular magnet 64 can quickly install the fixed roller 610 on the metal plate 10 and facilitate the adjustment of its installation position. At the same time, the lead wire of the pressure detection device 62 can be led out to the outside of the frame 1 through the wiring hole 616, the annular magnet 64 and the relief hole 11 in sequence, which is convenient for connection with the control device on the frame 1.

[0054] Exemplarily, referring to Figure 3 As shown, an annular groove for clamping the annular magnet 64 is provided at the end of the fixed roller 610, and the annular magnet 64 is fixed in the annular groove by bonding or a tight connection method.

[0055] Exemplarily, the metal plate 10 is a magnetic steel plate or an iron plate.

[0056] In other embodiments where the above-mentioned fixed roller 610 is fixedly connected to the frame 1, the fixed roller 610 and the frame 1 are fixed by bolts or a tight connection method, etc.

[0057] Exemplarily, referring to Figure 1 As shown, the tension detection mechanism 6 is located between two adjacent intermediate rollers 5, and the fixed roller 610 and the intermediate roller 5 jointly guide the carbon fiber belt to be conveyed along a preset path.

[0058] Exemplarily, the tension detection mechanism 6 is located between an adjacent intermediate roller 5 and the unwinding reel 21 or between the intermediate roller 5 and the winding mechanism 3, and the fixed roller 610 and the intermediate roller 5 jointly guide the carbon fiber belt to be conveyed along a preset path.

[0059] It can be understood that the above-mentioned winding mechanism 3 can use an existing mechanism for winding the carbon fiber belt or the same structure as the above-mentioned unwinding mechanism 2, and winds the carbon fiber belt by the rotation of the roller, which will not be elaborated here.

[0060] The above-mentioned unwinding motor 22 can select an existing motor capable of controlling the speed, such as a speed-regulating motor.

[0061] Exemplarily, the above pressure detection device 62 is a pressure sensor or a tension sensor. Taking the tension sensor as an example, the tension sensor is directly mounted on the mounting carrier 61 through mechanical connectors (such as bolts, clamps, etc.) and contacts the carbon fiber belt. The tension sensor converts the force or displacement change when the conveyor belt is tensioned into an electrical signal output. These electrical signals are the tension force information of the carbon fiber belt, and then they are fed back to the control device. After being processed, the tension force information can also be displayed on the console for the operator to monitor and adjust the tension force of the conveyor belt.

[0062] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carbon fiber tape impregnating device, characterized in that, Comprising: Frame; Unwinding mechanism, including an unwinding reel and an unwinding motor, the unwinding reel is rotatably arranged on the frame and is used for sleeving a carbon fiber tape, the unwinding motor is fixedly arranged on the frame and is used for driving the unwinding reel to rotate and controlling the rotation speed of the unwinding reel; Winding mechanism, arranged on the frame and located at the rear end of the unwinding mechanism, for winding the carbon fiber tape output by the unwinding reel; Impregnation tank, located between the unwinding reel and the winding mechanism, for containing impregnating liquid; At least two intermediate rollers, arranged on the frame and located between the unwinding reel, the impregnation tank and the winding mechanism, for guiding the carbon fiber tape to be conveyed along a preset path, and the preset path passes through the impregnation tank; Tension detection mechanism, including an installation carrier and a pressure detection device, the installation carrier is fixedly connected to the frame and is located on the preset path, and the pressure detection device is arranged inside the installation carrier for detecting the tension of the carbon fiber tape; Wherein, the pressure detection device feeds back the tension information of the carbon fiber tape to the control device, and the control device controls the rotation speed of the unwinding motor according to the tension information to control the rotation speed of the unwinding reel so as to maintain the tension within a preset range.

2. The carbon fiber tape impregnating device according to claim 1, characterized in that, The installation carrier includes a fixed roller fixedly connected to the frame, the fixed roller is provided with an inner cavity and an opening communicating the inner cavity with the outside, and a cover is arranged at the opening to form a complete outer surface of the fixed roller; the pressure detection device is fixedly arranged inside the inner cavity and is connected to the cover; During the impregnation process of the carbon fiber tape, the cover contacts the carbon fiber tape and transmits the pressure of the carbon fiber tape to the pressure detection device.

3. The carbon fiber tape impregnation device according to claim 2, characterized in that, The tension detection mechanism further includes a return spring, the return spring is located inside the inner cavity and between the cover and the fixed roller, and is used for driving the cover to reset after being pressed.

4. The carbon fiber tape impregnation device according to claim 3, characterized in that, The fixed roller is provided with at least two spaced guide posts arranged towards the opening inside the inner cavity, the pressure detection device is provided with guide holes adapted to the guide posts and is sleeved on the guide posts through the guide holes; the return spring is sleeved on the guide posts and its two ends respectively abut against the outside of the guide holes and the cover.

5. The carbon fiber tape impregnation device according to claim 2, characterized in that, The end of the fixed roller is provided with a wiring hole communicating with the inner cavity, and the wiring hole is used for leading out the circuit of the pressure detection device.

6. The carbon fiber tape impregnation device according to claim 5, characterized in that, The end of the fixed roller is provided with an annular magnet, and the annular magnet is arranged around the wiring hole; the frame includes a metal plate, the metal plate is provided with a relief hole, and the fixed roller is adsorbed and fixed on the metal plate by the annular magnet, and the wiring hole and the relief hole are in opposite positions so that the circuit in the wiring hole can be led out from the relief hole.

7. The carbon fiber tape impregnation device according to claim 2, wherein, The tension detection mechanism is located between two adjacent intermediate rollers, and the fixed roller and the intermediate rollers jointly guide the carbon fiber tape to be conveyed along a preset path.

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