Winding yarn tensioning device for pultrusion winding of fiber reinforced composite material
By designing a tensioning mechanism including electric telescopic rod, connecting plate, tensioning wheel, pressure sensor and electromagnet, the problem that the winding yarn tensioning device for pultrusion and winding of fiber reinforced composite material cannot accurately adjust the tension and yarn drop and stuck, achieving precise tension adjustment and improved use convenience.
Patent Information
- Application Number
- CN202421220300.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The existing fiber reinforced composite material pultrusion and winding yarn tensioning device cannot accurately adjust the tension, resulting in inconvenience in use and is prone to fall and get stuck when the yarn is unwinded.
A tensioning mechanism including an electric telescopic rod, a connecting plate, a tensioning wheel, a pressure sensor and an electromagnet is designed. The device composed of a rotating roller and an electric telescopic rod is driven by a motor to achieve precise tensioning of the yarn, and the tension is detected through a pressure sensor, so that the electromagnet can be used to facilitate replacement of the tensioning wheel.
Accurate adjustment of yarn tension is achieved, the problem of falling and stuck when the yarn is unwinded is avoided, and the convenience of use and the operability of the equipment is improved.
Smart Images

Figure CN222590749U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of winding yarn tensioning, in particular to a winding yarn tensioning device for pultrusion winding of fiber reinforced composite materials. Background Art
[0002] With the development of fiber reinforced composite materials, the proportion of pultrusion winding process in product molding is increasing. Among them, the winding machine used in the pultrusion winding process is used to complete the winding action. The winding machine is equipped with a winding yarn, and the winding yarn requires tension control during unwinding. However, the current winding yarn tensioning device for pultrusion winding of fiber reinforced composite materials cannot accurately adjust the tension, resulting in inconvenience in use, and the yarn falls and gets stuck when unwinding. For this reason, we propose a winding yarn tensioning device for pultrusion winding of fiber reinforced composite materials. Utility Model Content
[0003] The purpose of the utility model is to provide a winding yarn tensioning device for pultrusion and winding of fiber reinforced composite materials, which has the advantages of accurately adjusting the tension and preventing the yarn from falling, and solves the problem that the existing winding yarn tensioning device for pultrusion and winding of fiber reinforced composite materials cannot accurately adjust the tension, resulting in inconvenience in use, and the yarn falls and gets stuck when unwinding.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a winding yarn tensioning device for pultrusion winding of fiber reinforced composite materials, comprising a bottom plate, the top of the bottom plate is fixedly connected to a workbench through a bracket, the left end of the top of the workbench is fixedly connected to a support table, the top of the support table is equipped with a guide wheel, the middle end of the top of the workbench is fixedly connected to a top plate through a bracket, the front and rear ends of the bottom of the top plate are fixedly connected to an electric telescopic rod, the bottom of the electric telescopic rod is fixedly connected to a connecting plate, a pressure sensor is arranged between the top of the connecting plate and the electric telescopic rod, a groove is provided at the bottom of the connecting plate, the top of the inner cavity of the groove is fixedly connected to an electromagnet, the bottom of the electromagnet is magnetically connected to an iron block, a tensioning wheel is installed at the bottom of the iron block, a roller is installed at the right end of the top of the bottom plate through a bracket, the front and rear ends of the roller are fixedly connected to a baffle, the top of the bottom plate is fixedly connected to a motor through a bracket, and the output shaft of the motor is fixedly connected to the tensioning wheel.
[0005] Preferably, a battery box is fixedly connected to the left end of the top of the base plate, and a storage battery is fixedly connected to the inner cavity of the battery box.
[0006] Preferably, a tool box is fixedly connected to the right end of the top of the bottom plate, and a partition is fixedly connected to the inner cavity of the tool box.
[0007] Preferably, a display is fixedly connected to the upper portion of the front surface of the support platform, and an input end of the display is electrically connected to an output end of the pressure sensor.
[0008] Preferably, a PLC controller is fixedly connected to the lower part of the front surface of the support platform, and the output end of the PLC controller is electrically connected to the input ends of the electric telescopic rod, the motor and the electromagnet.
[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0010] The utility model can drive the rotating roller to rotate through the motor, and can play a shielding role by utilizing the baffle plate, so as to prevent the yarn from falling and getting stuck when unwinding. The electric telescopic rod, the connecting plate and the tensioning wheel can form a tensioning mechanism, so as to tension the yarn. The pressure sensor can be used to detect the pressure between the electric telescopic rod and the connecting plate. Since the force effect is mutual, the pressure between the tensioning wheel and the yarn can be detected, so that people can accurately adjust the tension. The tensioning wheel can be fixed on the connecting plate by utilizing the electromagnet and the iron block. When the tensioning wheel needs to be replaced, the electromagnet can be turned off. It is very convenient and solves the problem that the existing winding yarn tensioning device for pultrusion winding of fiber reinforced composite materials cannot accurately adjust the tension, resulting in inconvenience in use and the yarn falling and getting stuck when unwinding. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of the utility model;
[0012] Figure 2 This is a schematic diagram of the right side sectional structure of the workbench of the utility model;
[0013] Figure 3 This is an enlarged structural schematic diagram of the utility model A.
[0014] In the figure: 1. bottom plate; 2. tool box; 3. workbench; 4. battery box; 5. support table; 6. PLC controller; 7. display; 8. guide wheel; 9. top plate; 10. electric telescopic rod; 11. connecting plate; 12. roller; 13. baffle; 14. motor; 15. pressure sensor; 16. tension wheel; 17. groove; 18. electromagnet; 19. iron block. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0018] See also Figure 1-3 A winding yarn tensioning device for pultrusion winding of fiber reinforced composite materials comprises a bottom plate 1, the top of the bottom plate 1 is fixedly connected to a workbench 3 through a bracket, the left end of the top of the workbench 3 is fixedly connected to a support platform 5, a guide wheel 8 is installed on the top of the support platform 5, the middle end of the top of the workbench 3 is fixedly connected to a top plate 9 through a bracket, the front and rear ends of the bottom of the top plate 9 are fixedly connected to an electric telescopic rod 10, the bottom of the electric telescopic rod 10 is fixedly connected to a connecting plate 11, a pressure sensor 15 is arranged between the top of the connecting plate 11 and the electric telescopic rod 10, a groove 17 is opened at the bottom of the connecting plate 11, an electromagnet 18 is fixedly connected to the top of the inner cavity of the groove 17, the bottom of the electromagnet 18 is magnetically connected to an iron block 19, a tensioning wheel 16 is installed at the bottom of the iron block 19, and the bottom A roller 12 is installed at the right end of the top of the plate 1 through a bracket, and a baffle 13 is fixedly connected to the front and rear ends of the roller 12. A motor 14 is fixedly connected to the top of the base plate 1 through a bracket, and the output shaft of the motor 14 is fixedly connected to the tensioning wheel 16. A battery box 4 is fixedly connected to the left end of the top of the base plate 1, and a battery is fixedly connected to the inner cavity of the battery box 4. A tool box 2 is fixedly connected to the right end of the top of the base plate 1, and a partition is fixedly connected to the inner cavity of the tool box 2. A display 7 is fixedly connected to the upper part of the front of the support platform 5, and the input end of the display 7 is electrically connected to the output end of the pressure sensor 15. A PLC controller 6 is fixedly connected to the lower part of the front of the support platform 5, and the output end of the PLC controller 6 is electrically connected to the input end of the electric telescopic rod 10, the motor 14 and the electromagnet 18.
[0019] When in use, the motor 14 can drive the roller 12 to rotate, and the baffle 13 can play a shielding role to prevent the yarn from falling and getting stuck when unwinding. The electric telescopic rod 10, the connecting plate 11 and the tensioning wheel 16 can form a tensioning mechanism to tension the yarn. The pressure sensor 15 can detect the pressure between the electric telescopic rod 10 and the connecting plate 11. Since the force is mutual, the pressure between the tensioning wheel 16 and the yarn can be detected, which is convenient for people to accurately adjust the tension. The tensioning wheel 16 can be fixed to the connecting plate 11 by using the electromagnet 18 and the iron block 19. When the tensioning wheel 16 needs to be replaced, just turn off the electromagnet 18. It is very convenient and solves the problem that the current winding yarn tensioning device for fiber reinforced composite material pultrusion winding cannot accurately adjust the tension, resulting in inconvenience in use and the yarn falling and getting stuck when unwinding.
[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A winding yarn tensioning device for fiber reinforced composite material pultrusion winding, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a workbench (3) via a bracket, the left end of the top of the workbench (3) is fixedly connected to a support platform (5), the top of the support platform (5) is provided with a guide wheel (8), the middle end of the top of the workbench (3) is fixedly connected to a top plate (9) via a bracket, the front and rear ends of the bottom of the top plate (9) are fixedly connected to an electric telescopic rod (10), the bottom of the electric telescopic rod (10) is fixedly connected to a connecting plate (11), a pressure sensor (15) is provided between the top of the connecting plate (11) and the electric telescopic rod (10), A groove (17) is provided at the bottom of the connecting plate (11); an electromagnet (18) is fixedly connected to the top of the inner cavity of the groove (17); an iron block (19) is magnetically connected to the bottom of the electromagnet (18); a tensioning wheel (16) is installed at the bottom of the iron block (19); a roller (12) is installed at the right end of the top of the bottom plate (1) via a bracket; baffles (13) are fixedly connected to the front and rear ends of the roller (12); a motor (14) is fixedly connected to the top of the bottom plate (1) via a bracket; and an output shaft of the motor (14) is fixedly connected to the tensioning wheel (16).
2. A winding yarn tensioning device for fiber reinforced composite material pultrusion winding according to claim 1, characterized in that: The left end of the top of the bottom plate (1) is fixedly connected to a battery box (4), and the inner cavity of the battery box (4) is fixedly connected to a storage battery.
3. The winding yarn tensioning device for fiber reinforced composite material pultrusion winding according to claim 1, characterized in that: The right end of the top of the bottom plate (1) is fixedly connected to a tool box (2), and the inner cavity of the tool box (2) is fixedly connected to a partition.
4. The winding yarn tensioning device for fiber reinforced composite material pultrusion winding according to claim 1, characterized in that: A display (7) is fixedly connected to the upper portion of the front face of the support platform (5), and an input end of the display (7) is electrically connected to an output end of a pressure sensor (15).
5. The winding yarn tensioning device for fiber reinforced composite material pultrusion winding according to claim 1, characterized in that: A PLC controller (6) is fixedly connected to the lower part of the front side of the support platform (5), and the output end of the PLC controller (6) is electrically connected to the input ends of the electric telescopic rod (10), the motor (14) and the electromagnet (18).