A nickel-titanium alloy wire winding device

Abstract

The present invention belongs to the technical field of alloy processing. The present invention discloses a nickel-titanium alloy wire winding device, comprising a mounting seat, a winding tension control unit arranged on the outer side wall of the mounting seat, and a clamping winding unit symmetrically arranged on the inner walls on both sides of the mounting seat. The clamping winding unit is provided with two groups, and the winding tension control unit is transmission-connected with one group of the clamping winding units. The thickness of the wire is detected by a microswitch, and the electric push rod is triggered to adjust the coupling state of the eddy current wheel 1 and the eddy current wheel 2, so as to realize adaptive winding tension control and avoid wire damage; the arc baffle is rotated to alternately block the transmission tube, and the cylinders on both sides are driven to drive the double-conical blocks to periodically expand and contract, so as to realize uniform wire arrangement, without the need for an additional wire arrangement device, thereby reducing costs; a pressure difference buffer structure is formed by the aperture difference between the cylinder air inlet and the air outlet, so as to realize air pressure balanced clamping and effectively protect the core shaft of brittle materials such as ceramics and glass.

Description

Technical Field

[0001] The invention belongs to the technical field of alloy processing, and in particular relates to a nickel-titanium alloy wire winding device. Background Art

[0002] Nickel-titanium alloys are widely used in medical devices, aerospace, electronic equipment, and other fields due to their shape memory effect, superelasticity, and good biocompatibility. In the production process of nickel-titanium alloy wires, the winding device is a key piece of equipment that directly affects the production quality and efficiency of the wires. Currently, existing nickel-titanium alloy wire winding devices have the following problems that need to be improved:

[0003] 1. Traditional winding equipment typically uses a fixed winding tension or relies on complex sensor feedback systems and variable-frequency motors to adjust the tension. When dealing with nickel-titanium alloy wires of varying thicknesses, the fixed tension mode can cause thin wires to break due to excessive tension during the winding process, while thick wires suffer from low winding efficiency due to insufficient tension. While sensor and variable-frequency motor control systems can achieve tension adjustment, they are expensive, have poor system stability, and are difficult to maintain.

[0004] 2. Existing winding devices often implement the clamping and arranging functions separately, requiring an additional independent arranging device. This not only increases the structural complexity of the equipment and leads to an increase in equipment cost, but the presence of multiple transmission components also introduces more wear and failure points, reducing the reliability and service life of the equipment.

[0005] 3. The traditional rigid clamping method can easily cause deformation or even damage to the reel when clamping reels made of brittle materials such as ceramics and glass.

[0006] Therefore, a new nickel-titanium alloy wire winding device that can adaptively adjust the winding tension, integrate the wiring and clamping functions, and protect the reel is needed to solve the above problems. Summary of the Invention

[0007] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a nickel-titanium alloy wire winding device, which detects the thickness of the wire through a microswitch, triggers the electric push rod to adjust the coupling state of eddy current wheel one and eddy current wheel two, and realizes adaptive winding tension control to avoid wire damage; utilizes the arc-shaped baffle to rotate and alternately block the transmission tube, drives the cylinders on both sides to drive the double-conical blocks to periodically expand and contract, and realizes uniform wire arrangement without the need for additional wire arrangement devices, thereby reducing costs; forms a pressure difference buffer structure through the aperture difference between the cylinder air inlet and outlet, realizes air pressure balanced clamping, and effectively protects the core shaft of brittle materials such as ceramics and glass.

[0008] The technical solution adopted by the present invention is as follows: A nickel-titanium alloy wire winding device, including a mounting seat, and also including a winding tension control unit arranged on the outer side wall of the mounting seat and a clamping winding unit symmetrically arranged on the inner walls on both sides of the mounting seat. The clamping winding units are provided with two groups, and the winding tension control unit is transmission-connected to one group of the clamping winding units. An exchange transmission box is fixedly provided on the outer bottom wall of the mounting seat, and the exchange transmission box is connected to the clamping winding unit pipeline. A detection trigger box is fixedly provided on the inner bottom wall of the mounting seat, and a telescopic cylinder is vertically fixed on the inner bottom wall of the detection trigger box. A micro switch is provided on the upper end of the telescopic cylinder, and the micro switch is electrically controlled and connected to the winding tension control unit.

[0009] As a preferred technical solution of this scheme, an arc-shaped baffle is rotatably provided in the exchange and transmission box, a transmission tube is fixedly provided with a penetration-type transmission tube on the bottom wall of the mounting seat, one end of the transmission tube is through-connected with the exchange and transmission box, the arc-shaped side wall of the arc-shaped baffle is in close-fitting contact with the inner wall of the exchange and transmission box, a reducer is fixedly provided on the outer wall of the bottom of the exchange and transmission box, the reducer is coaxially connected to the central axis of the arc-shaped baffle, an air pump is fixedly provided on the outer wall of the reducer, the built-in motor of the air pump is in transmission connection with the reducer, and the air outlet end of the air pump is through-connected with the inside of the exchange and transmission box.

[0010] As an optimal technical solution of this scheme, a top plate is fixed horizontally on the inner wall of the detection trigger box, a pressure column is provided on the lower side of the top plate, a guide wheel is symmetrically rotated on the outer edge of the top of the detection trigger box, and the micro switch is located directly below the pressure column.

[0011] As an optimal technical solution of this scheme, the winding tension control unit includes a mounting frame fixedly arranged on the outer wall of the mounting seat, an electric push rod rotatably arranged on the inner wall of the mounting frame, a vortex wheel 2 fixedly arranged at the output end of the electric push rod, a coupling box fixedly arranged on the outer wall of the mounting seat, and a vortex wheel 1 rotatably arranged on the other side wall of the coupling box. The vortex wheel 2 is located in the coupling box, and the output end of the electric push rod passes through and is movably arranged on the side wall of the coupling box. The vortex wheel 1 corresponds to the vortex wheel 2. The coupling box is filled with transmission oil, the microswitch is electrically controlled and connected to the electric push rod, and a motor is fixed on the outer wall of the mounting frame. The output end of the motor is coaxially connected to the base end of the electric push rod.

[0012] As a preferred technical solution of this scheme, the clamping and winding unit includes a collecting box fixedly arranged on the inner wall of the mounting base, a cylinder rotatably arranged on one side wall of the collecting box, and a conical block fixedly arranged on the output end of the cylinder. The output end of the cylinder is provided with an air outlet, and the base end of the cylinder is provided with an air inlet. The air inlet is located in the collecting box, and the aperture of the air inlet is larger than the aperture of the air outlet. The other end of the transmission pipe is connected to the inside of the collecting box, and the cylinder on one side is coaxially connected to the vortex wheel.

[0013] As a preferred technical solution of this scheme, when the electric push rod reaches the maximum stroke, the eddy current wheel 2 is engaged with the eddy current wheel 1.

[0014] After adopting the above structure, the beneficial effects of the present invention are as follows:

[0015] (1) Adaptive winding tension control to avoid wire damage: The thickness of the nickel-titanium alloy wire is detected by a micro switch, and the electric push rod is triggered to adjust the coupling state of the eddy current wheel 1 and the eddy current wheel 2. This solves the problem that traditional winding equipment cannot dynamically adjust the winding tension according to the wire diameter, resulting in easy breakage of thin wires and low efficiency of thick wires. It overcomes the technical prejudice commonly believed by technicians in this field that winding wires of different thicknesses must rely on complex sensor feedback systems and variable frequency motors;

[0016] (2) Double conical blocks alternately clamp to achieve uniform wire arrangement: The arc-shaped baffle is rotated to alternately block the transmission tube, so that the cylinders on both sides periodically expand and contract, driving the conical blocks to achieve reciprocating translation of the reel. The existing winding device requires an additional wire arrangement device, which effectively reduces costs and overcomes the traditional perception that uniform wire arrangement must rely on an independent lateral movement mechanism. This solution integrates the clamping and wire arrangement functions by controlling the synchronous movement of the conical blocks through air pressure, breaking through the limitation of structural complexity.

[0017] (3) Air pressure balanced clamping to protect the reel: The diameter of the cylinder air inlet hole is larger than the air outlet hole, forming a pressure difference buffer structure. When the conical block contacts the reel, the air pressure difference makes the cylinder elastic, avoiding rigid clamping that may cause deformation of the reel, especially causing irreversible damage to the core shaft of brittle materials such as ceramics and glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention.

[0019] Figure 1 This is a schematic diagram of the overall structure of a nickel-titanium alloy wire winding device proposed in the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of a nickel-titanium alloy wire winding device proposed in the present invention;

[0021] Figure 3 This is a cross-sectional view of the internal structure of the detection trigger box proposed by the present invention;

[0022] Figure 4 This is a cross-sectional view of the arc-shaped baffle structure proposed by the present invention;

[0023] Figure 5 This is a schematic diagram of the overall structure of the clamping and winding unit proposed in the present invention;

[0024] Figure 6 This is a schematic diagram of the overall structure of the winding tension control unit proposed in the present invention;

[0025] Figure 7 This is a cross-sectional view of the overall structure of Example 2 of the present invention.

[0026] In the accompanying drawings: 1. Mounting base; 2. Coupling box; 3. Detection trigger box; 4. Exchange transmission box; 5. Transmission tube; 6. Arc baffle; 7. Air pump; 8. Collection box; 9. Cylinder; 10. Conical block; 11. Eddy current wheel 1; 12. Eddy current wheel 2; 13. Electric push rod; 14. Motor; 15. Mounting frame; 16. Top plate; 17. Pressure column; 18. Micro switch; 19. Guide wheel; 20. Telescopic cylinder; 21. Clamping and winding unit; 22. Winding tension control unit; 23. Reducer; 24. Support leg; 25. Reciprocating electric push rod; 26. Air outlet; 27. Air inlet. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Example 1: Figures 1-6As shown, a nickel-titanium alloy wire winding device includes a mounting base 1, a supporting leg 24 is fixedly provided on the outer wall of the bottom of the mounting base 1, a winding tension control unit 22 is arranged on the outer wall of the mounting base 1, and a clamping and winding unit 21 is symmetrically arranged on the inner walls on both sides of the mounting base 1, and the clamping and winding unit 21 is provided in two groups. An exchange transmission box 4 is fixedly provided on the outer wall of the bottom of the mounting base 1, a detection trigger box 3 is fixedly provided on the inner wall of the bottom of the mounting base 1, a telescopic cylinder 20 is vertically fixed on the inner wall of the bottom of the detection trigger box 3, a micro switch 18 is provided on the upper end of the telescopic cylinder 20, an arc-shaped baffle 6 is provided for rotation in the exchange transmission box 4, and a transmission tube 5 is fixedly provided on the bottom wall of the mounting base 1 One end of the transmission pipe 5 is connected with the exchange transmission box 4, and the curved side wall of the arc baffle 6 is in fit-fitting contact with the inner wall of the exchange transmission box 4. A reducer 23 is fixed on the outer wall of the bottom of the exchange transmission box 4, and the reducer 23 is coaxially connected to the central axis of the arc baffle 6. An air pump 7 is fixed on the outer wall of the reducer 23. The built-in motor of the air pump 7 is connected to the reducer 23. The air outlet end of the air pump 7 is connected with the inside of the exchange transmission box 4. A top plate 16 is fixed horizontally on the inner wall of the detection trigger box 3, and a pressure column 17 is provided on the lower side of the top plate 16. A guide wheel 19 is symmetrically rotated on the outer edge of the top of the detection trigger box 3, and the micro switch 18 is located directly below the pressure column 17.

[0030] The winding tension control unit 22 includes a mounting frame 15 fixedly arranged on the outer wall of the mounting seat 1, an electric push rod 13 rotatably arranged on the inner wall of the mounting frame 15, a vortex wheel 2 12 fixedly arranged on the output end of the electric push rod 13, a coupling box 2 fixedly arranged on the outer wall of the mounting seat 1, and a vortex wheel 11 rotatably arranged on the other side wall of the coupling box 2. The vortex wheel 2 12 is located in the coupling box 2, and the output end of the electric push rod 13 passes through and is movably arranged on the side wall of the coupling box 2. The vortex wheel 11 corresponds to the vortex wheel 2 12. The coupling box 2 is filled with transmission oil. The microswitch 18 is electrically controlled and connected to the electric push rod 13. A motor 14 is fixedly arranged on the outer wall of the mounting frame 15. The output end of the motor 14 is coaxially connected to the base end of the electric push rod 13. When the electric push rod 13 reaches the maximum stroke, the vortex wheel 2 12 is engaged with the vortex wheel 11.

[0031] The clamping and winding unit 21 includes a collecting box 8 fixedly arranged on the inner wall of the mounting base 1, a cylinder 9 rotatably arranged on one side wall of the collecting box 8, and a conical block 10 fixedly arranged at the output end of the cylinder 9. The output end of the cylinder 9 is provided with an air outlet 26, and the cylinder 9 discharges gas to the outside through the air outlet 26. The base end of the cylinder 9 is provided with an air inlet 27, and the air inlet 27 is located in the collecting box 8. The aperture of the air inlet 27 is larger than the aperture of the air outlet 26. The other end of the transmission pipe 5 is connected to the inside of the collecting box 8, and the cylinder 9 on one side is coaxially connected to the vortex wheel 11.

[0032] When in use, first fix one end of the nickel-titanium alloy wire to the reel, then overlap it on the guide wheel 19, and at the same time overlap the nickel-titanium alloy wire between the guide wheels 19 on the lower end of the pressure column 17. Add lubricating oil to the detection trigger box 3, and then lift the reel so that the two ends of the reel are aligned with the tapered block 10;

[0033] Start the air pump 7, which drives the arc-shaped baffle 6 to rotate slowly through the reducer 23. At the same time, the air pump 7 transmits external gas to the exchange transmission box 4. Since the arc-shaped baffle 6 alternately blocks the transmission pipes 5 on both sides when rotating, when the transmission pipe 5 on one side is blocked, the gas in the exchange transmission box 4 will enter the collection box 8 from the transmission pipe 5 on the other side, and then enter the cylinder 9 through the air inlet 27. At this time, the cylinder 9 extends and drives the conical block 10 to move;

[0034] When the transmission pipe 5 on the other side is blocked by the arc-shaped baffle 6, the gas in the exchange transmission box 4 will enter the collection box 8 from the transmission pipe 5 on one side. At this time, the corresponding cylinder 9 will stretch and drive the conical block 10 to move. At this time, the conical blocks 10 on both sides will clamp the reel. The conical blocks 10 on both sides stretch alternately, thereby realizing the reciprocating movement of the reel, so that the nickel-titanium alloy wire is more evenly wound on the reel. In this process, when the cylinder 9 on one side takes in air and stretches, the cylinder 9 on the other side will be compressed, and the internal gas will be discharged to the outside through the outlet 26.

[0035] Then start the motor 14, which drives the electric push rod 13 and the eddy current wheel 2 12 to rotate. When the wound nickel-titanium alloy wire is thin, the nickel-titanium alloy wire will not contact the micro switch 18 when winding. Therefore, the electric push rod 13 is not started, and the electric push rod 13 itself is in a contracted state. The eddy current wheel 11 and the eddy current wheel 2 12 are in a non-contact state. When the eddy current wheel 2 12 rotates, the surrounding transmission oil will be driven to form a rotating flow field. The eddy current wheel 11 is located in this flow field, and the velocity field of the fluid will affect the eddy current wheel 11. The blades generate torque, which causes the vortex wheel 11 to rotate. The vortex wheel 11 drives the cylinder 9 on one side to rotate, and the cylinder 9 drives the conical block 10 and the reel to rotate, thereby winding the nickel-titanium alloy wire, preventing the thinner nickel-titanium alloy wire from being subjected to excessive tension during the winding process, preventing it from being stretched, deformed or damaged. The provision of lubricating oil can reduce the friction coefficient of the nickel-titanium alloy wire with other components during the winding process, while suppressing the thermal expansion and contraction caused by frictional heat generation, avoiding quality problems caused by deformation of the nickel-titanium alloy wire;

[0036] When the wound nickel-titanium alloy wire is thicker, the nickel-titanium alloy wire will touch the micro switch 18 during winding. The micro switch 18 controls the electric push rod 13 to start, and the electric push rod 13 drives the eddy current wheel 2 12 to move toward the direction of the eddy current wheel 1 11. The eddy current wheel 1 11 is engaged with the eddy current wheel 2 12, thereby realizing a one-to-one transmission between the eddy current wheel 1 11 and the eddy current wheel 2 12. The motor 14 will directly drive the cylinder 9 to rotate, thereby accelerating the winding speed.

[0037] Example 2, as Figure 7 As shown, the difference between this embodiment and the aforementioned embodiment 1 is that a detection trigger box 3 is horizontally slidably provided on the inner wall at the bottom of the mounting base 1, a reciprocating electric push rod 25 is fixedly provided on the inner wall of one side of the mounting base 1, and the output end of the reciprocating electric push rod 25 is fixedly connected to the outer wall of the detection trigger box 3, and an air pump 7 is fixedly provided at the bottom of the exchange and transmission box 4, and the air outlet of the air pump 7 is through-connected to the inside of the exchange and transmission box 4.

[0038] When in use, first fix one end of the nickel-titanium alloy wire to the reel, then overlap the nickel-titanium alloy wire on the guide wheel 19, and at the same time overlap the nickel-titanium alloy wire between the guide wheels 19 on the lower end of the pressure column 17, add lubricating oil to the detection trigger box 3, and then lift the reel so that the two ends of the reel are aligned with the tapered block 10;

[0039] The air pump 7 is started, and the air pump 7 transmits the external air to the exchange transmission box 4. The air in the exchange transmission box 4 enters the collection box 8 through the transmission pipes 5 on both sides, and then enters the cylinder 9 through the air inlet 27. At this time, the cylinders 9 on both sides extend and drive the conical blocks 10 to move, so that the conical blocks 10 are used to clamp the reel; during this process, the air inside the cylinder 9 is discharged to the outside through the air outlet 26, and then the reciprocating electric push rod 25 is started, which drives the detection trigger box 3 to move back and forth, so that the nickel-titanium alloy wire is more evenly wound on the reel;

[0040] Then the motor 14 is started, and the motor 14 drives the electric push rod 13 and the eddy current wheel 2 12 to rotate. When the wound nickel-titanium alloy wire is thinner, the nickel-titanium alloy wire will not trigger the micro switch 18, and the electric push rod 13 remains in a retracted state. At this time, the working mode of the subsequent transmission is exactly the same as the fluid transmission mode described in Example 1 (see paragraph 0035 of Example 1); when the wound nickel-titanium alloy wire is thicker, the nickel-titanium alloy wire triggers the micro switch 18, and the electric push rod 13 starts to engage the eddy current wheel 2 12 with the eddy current wheel 1 11, and the working mode of the subsequent transmission is switched to the rigid engagement transmission mode described in Example 1 (see paragraph 0036 of Example 1).

[0041] In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to this technical solution without creatively designing them without departing from the purpose of the invention, they should all fall within the scope of protection of the invention.

Claims

1. A nickel-titanium alloy wire winding device, comprising a mounting seat (1), characterized in that: The invention also includes a winding tension control unit (22) arranged on the outer wall of the mounting seat (1) and a clamping winding unit (21) symmetrically arranged on the inner walls on both sides of the mounting seat (1), wherein the clamping winding unit (21) is provided with two groups, and the winding tension control unit (22) is transmission-connected to one group of the clamping winding units (21); an exchange transmission box (4) is fixedly provided on the outer wall of the bottom of the mounting seat (1); the exchange transmission box (4) is connected to the clamping winding unit (21) by a pipeline; a detection trigger box (3) is fixedly provided on the inner wall of the bottom of the mounting seat (1); an arc-shaped baffle (6) is provided in a rotating manner inside the exchange transmission box (4); the arc-shaped side wall of the arc-shaped baffle (6) is in close contact with the inner wall of the exchange transmission box (4); an air pump (7) is fixed on the outer wall of the bottom of the exchange transmission box (4); the built-in motor of the air pump (7) is transmission-connected to the central axis of the arc-shaped baffle (6); and the air outlet end of the air pump (7) is through-connected to the inside of the exchange transmission box (4); The winding tension control unit (22) includes an electric push rod (13) fixedly arranged on the outer side wall of the mounting seat (1), a vortex wheel 2 (12) fixedly arranged at the output end of the electric push rod (13), a coupling box (2) fixedly arranged on the outer side wall of the mounting seat (1), and a vortex wheel 1 (11) rotatably arranged on the other side wall of the coupling box (2), wherein the vortex wheel 2 (12) is located in the coupling box (2), the output end of the electric push rod (13) penetrates and is movably arranged on the side wall of the coupling box (2), and the coupling box (2) is filled with transmission oil; The clamping and winding unit (21) includes a collection box (8) fixedly arranged on the inner wall of the mounting base (1), and a cylinder (9) rotatably arranged on one side wall of the collection box (8), an output end of the cylinder (9) is provided with an air outlet (26), and a base end of the cylinder (9) is provided with an air inlet (27), the aperture of the air inlet (27) is larger than the aperture of the air outlet (26), the collection box (8) is connected to the exchange transmission box (4) through a pipeline, and the cylinder (9) on one side is coaxially connected to the vortex wheel (11); When the electric push rod (13) reaches the maximum stroke, the eddy current wheel 2 (12) and the eddy current wheel 1 (11) are meshed; A telescopic cylinder (20) is vertically fixed on the inner wall of the bottom of the detection trigger box (3), and a micro switch (18) is provided on the upper end of the telescopic cylinder (20). The micro switch (18) is electrically connected to the winding tension control unit (22), and the micro switch (18) is electrically connected to the electric push rod (13).

2. A nickel-titanium alloy wire winding device according to claim 1, characterized in that: A pressure column (17) is vertically provided on the inner wall of the detection trigger box (3), and the micro switch (18) is located directly below the pressure column (17).

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