A wire painting device for superconducting wire

Abstract

This utility model relates to the technical field of enameled wire coating equipment, and more particularly to a wire feeding device for superconducting wire coating. It includes a vertical wire storage device and a wire feeding trolley. The wire feeding trolley is located in front of the vertical wire storage device, and a wire end clamping mechanism is provided between the wire feeding trolley and the vertical wire storage device. The vertical wire storage device includes a frame, a first wire storage wheel, a second wire storage wheel, and a wire storage adjusting wheel. The first and second wire storage wheels are respectively fixed to the frame, and the wire storage adjusting wheel is slidably disposed on the frame. After the wire extends from the wire feeding trolley and passes through the wire end clamping mechanism, it first winds multiple turns between the first and second wire storage wheels, then multiple turns between the first and second wire storage wheels, and finally multiple turns between the first and second wire storage wheels. By setting the wire storage adjusting wheel between the first and second wire storage wheels, a stable wire tension is achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of enameled wire coating equipment, and in particular to a wire feeding device for coating superconducting wires. Background Technology

[0002] Superconducting wires are used in medical equipment, laboratory instruments, superconducting energy storage, and maglev trains. The core wires of superconducting wires must be continuous and of uniform thickness. Especially for superconducting wires used to make coils, the insulating varnish layer must be of uniform thickness to ensure that each turn of the wire is tightly packed without gaps. Furthermore, the insulating varnish layer of superconducting wires must be free of pinholes and unevenness to guarantee the performance of the superconducting wire. Therefore, the coating process of superconducting wires is particularly important.

[0003] In the coating process of superenameled wire, the formed bare wire is laid out and guided into the coating chamber for coating. After multiple coatings, the finished superenameled wire is obtained. In actual production, to achieve continuous coating, the bare wire of another spool is welded after the bare wire of one spool is laid out, thus achieving continuous laying of the bare wire. The thread tension during the superenameled wire coating process is closely related to the laying tension. Stable thread tension ensures uniform coating thickness and prevents the thread from shaking, thus preventing scratches, roughness, and runs on the coating surface.

[0004] Existing enameled wire coating and unwinding equipment suffers from weak tension adjustment capabilities. For example, CN221821512U discloses an automatic wire storage device for a high-speed flat wire take-up machine for enameled wire in electric vehicles. Multiple turns of wire are wound between a movable and a fixed wire storage wheel to achieve the wire storage effect. The movable wire storage wheel is driven by a chain and sprocket to a motor, which drives the movable wheel to rise and fall, ensuring continuous wire movement during reel changes. However, when the movable wire storage wheel approaches the fixed wire storage wheel, the synchronous tension of the multiple turns of wire decreases significantly, resulting in a substantial drop in the wire's running tension and affecting the coating effect. Utility Model Content

[0005] The purpose of this invention is to provide a wire feeding device for coating superconducting wires, which achieves stable wire tension by setting a wire feeding adjustment wheel between the first wire feeding wheel and the second wire feeding wheel.

[0006] To achieve this objective, the present invention adopts the following technical solution: A wire feeding device for coating superconducting wire includes a vertical wire storage device and a wire feeding trolley. The wire feeding trolley is located in front of the vertical wire storage device, and a wire end clamping mechanism is provided between the wire feeding trolley and the prime number vertical wire storage device. The vertical wire storage device includes a frame, a first wire storage wheel, a second wire storage wheel, and a wire storage adjustment wheel. The first and second wire storage wheels are fixed to the frame, and the wire storage adjustment wheel is slidably disposed on the frame. After the wire extends from the wire feeding trolley and passes through the wire end clamping mechanism, it first winds multiple turns between the first and second wire storage wheels, then winds multiple turns between the first and second wire storage wheels, and finally winds multiple turns between the first and second wire storage wheels.

[0007] Furthermore, the first wire storage wheel, the second wire storage wheel, and the wire storage adjusting wheel are each provided with a plurality of parallel wire grooves; Furthermore, the number of wire grooves in both the first and second wire storage wheels is greater than that in the wire storage adjustment wheel, and the wire storage adjustment wheel is located between the first and second wire storage wheels.

[0008] Furthermore, the first wire storage wheel is installed on the upper part of the upright frame, the second wire storage wheel is installed on the lower part of the upright frame, and the wire storage adjusting wheel is vertically slidably installed on the upright frame; the wire storage adjusting wheel is connected to a wire storage adjusting drive mechanism.

[0009] Furthermore, 4-6 turns of wire are wound between the wire storage adjusting wheel and the first wire storage wheel, and 3-4 turns of wire are wound between the first wire storage wheel and the second wire storage wheel.

[0010] Furthermore, the wire storage adjustment drive mechanism includes a drive motor and a lead screw, with the drive motor connected to the end of the lead screw; The wire storage adjusting wheel is provided with a connecting block and a slider. The slider is provided with a vertical guide rod. The connecting block and the vertical guide rod are slidably engaged. One side of the slider is sleeved on the lead screw. The slider is slidably engaged with the upright frame.

[0011] Furthermore, the wire end clamping mechanism includes a first guide wheel, a second guide wheel, a pressure wheel, and a driving component, all of which are mounted on the upright frame; The wire extends from the wire feeding trolley, passes sequentially around the first guide wheel and the second guide wheel, and then wraps around the second wire storage wheel; The driving component is used to drive the pressure roller to abut against the second guide roller, so that the wire is positioned between the pressure roller and the second guide roller.

[0012] Furthermore, the wire feeding trolley includes a frame and a magnetic powder brake and a mounting shaft mounted on the frame, wherein the magnetic powder brake is connected to the mounting shaft in a driving connection. The frame has wheels mounted on its bottom and support assemblies mounted on its four corners, which lift the wheels off the ground.

[0013] Furthermore, the support assembly includes a screw, a support plate, and a handwheel, wherein the support plate is rotatably connected to the bottom end of the screw, and the handwheel is fixed to the top end of the screw; The bottom surface of the support plate is provided with an anti-slip rubber layer, and the screw is threadedly connected to the vehicle frame.

[0014] Furthermore, the mounting bushing is provided with a first limiting block, the magnetic powder brake is installed on one side of the frame, and a locking rod is threadedly connected to the other side of the frame. One end of the locking rod is an operating end, and the other end is threadedly connected to a second limiting block. One end of the mounting shaft and one end of the locking rod are respectively inserted into the spool. The second limiting block is provided with a rotating plate through a bearing. The first limiting block and the rotating plate respectively abut against both ends of the spool.

[0015] The technical solution provided by this utility model can include the following beneficial effects: In this design, the wire tension adjustment wheel is used to adjust the tension of the wire on the first and second wire tension wheels. When changing the spool, the wire tension adjustment wheel moves slowly towards the first wire tension wheel to ensure a continuous supply of wire. Because of the multiple turns of wire on the first and second wire tension wheels, the wire is output only after passing through them multiple times as the adjustment wheel moves towards the first wheel, resulting in more stable tension. After the spool is replaced, the adjustment wheel moves towards the second wheel to increase the wire storage capacity. The winding of the wire on the first and second wheels ensures stable wire tension and guarantees the quality of the superconducting wire coating. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a wire laying device for coating superconducting wires according to an embodiment of the present invention; Figure 2 This is a schematic diagram showing the coordination of the first wire storage wheel, the second wire storage wheel, and the wire storage adjustment wheel; Figure 3 It is a schematic diagram of the cooperation between the lead screw, connecting block and slider; Figure 4 This is a schematic diagram of the side of the wire-laying trolley; Figure 5 This is a schematic diagram of the top surface of the chassis; Figure 6 This is a schematic diagram showing the cooperation between the second limit block and the locking rod; The components include: a vertical wire storage device 1, a frame 11, a first wire storage wheel 12, a second wire storage wheel 13, a wire storage adjustment wheel 14, a connecting block 141, a slider 142, a vertical guide rod 143, a wire storage adjustment drive mechanism 2, a drive motor 21, a lead screw 22, a wire feeding trolley 3, a frame 31, a magnetic powder brake 32, a mounting shaft 33, a support assembly 34, a screw 341, a support plate 342, a handwheel 343, a first limit block 35, a locking rod 36, a second limit block 38, a rotating plate 381, a wire end clamping mechanism 4, a first guide wheel 41, a second guide wheel 42, a pressure wheel 43, and a drive component 44. Detailed Implementation

[0017] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0018] The following is combined with Figures 1 to 6 This invention describes a wire feeding device for coating superconducting wires according to an embodiment of the present invention, comprising a vertical wire storage device 1 and a wire feeding trolley 3, wherein the wire feeding trolley 3 is located in front of the vertical wire storage device 1, and a wire end clamping mechanism 4 is provided between the wire feeding trolley 3 and the prime number vertical wire storage device 1. The vertical wire storage device 1 includes a frame 11, a first wire storage wheel 12, a second wire storage wheel 13, and a wire storage adjusting wheel 14. The first wire storage wheel 12 and the second wire storage wheel 13 are respectively fixed to the frame 11, and the wire storage adjusting wheel 14 is slidably disposed on the frame 11. After the wire extends out from the wire feeding trolley 3 and passes through the wire end clamping mechanism 4, it first winds multiple turns between the first wire storage wheel 12 and the second wire storage wheel 13, then winds multiple turns between the first wire storage wheel 12 and the wire storage adjusting wheel 14, and finally winds multiple turns between the first wire storage wheel 12 and the second wire storage wheel 13.

[0019] In this design, the wire storage adjusting wheel 14 is used to adjust the tension of the wire on the first wire storage wheel 12 and the second wire storage wheel 13. When changing the spool, the wire storage adjusting wheel 14 moves slowly toward the first wire storage wheel 12 to achieve continuous wire supply. Based on the multiple turns of wire on the first wire storage wheel 12 and the second wire storage wheel 13, the wire is output only after passing through the first wire storage wheel 12 and the second wire storage wheel 13 multiple times when the wire storage adjusting wheel 14 moves toward the first wire storage wheel 12, making the wire supply tension more stable. After the spool is changed, the wire storage adjusting wheel 14 moves toward the second wire storage wheel 13 to increase the wire storage capacity. Based on the winding of the wire on the first wire storage wheel 12 and the second wire storage wheel 13, the wire tension is kept stable, ensuring the coating quality of the superconducting wire.

[0020] When changing the spool, first position the wire with the wire end clamping mechanism 4, and at the same time move the wire storage adjusting wheel 14 toward the first wire storage wheel 12. After the ends of the two wires are welded, the wire end clamping mechanism 4 releases the wire, and the wire storage adjusting wheel 14 moves toward the second wire storage wheel 13 to re-store the wire.

[0021] Preferably, the first wire storage reel 12, the second wire storage reel 13, and the wire storage adjusting reel 14 are each provided with multiple parallel wire grooves. Each wire groove can only accommodate one strand of wire. The arrangement of multiple wire grooves allows for spacing between multiple turns of wire, preventing wire from becoming tangled. Furthermore, the number of wire grooves in the first wire storage reel 12 and the second wire storage reel 13 is greater than that in the wire storage adjusting reel 14. The wire storage adjusting reel 14 is located between the first wire storage reel 12 and the second wire storage reel 13 to achieve a sufficient amount of wire.

[0022] Specifically, the first wire storage wheel 12 is installed on the upper part of the upright frame 11, the second wire storage wheel 13 is installed on the lower part of the upright frame 11, and the wire storage adjusting wheel 14 is vertically slidably installed on the upright frame 11; the wire storage adjusting wheel 14 is connected to the wire storage adjusting drive mechanism 2.

[0023] In one embodiment of this utility model, 4-6 turns of wire are wound between the wire storage adjusting wheel 14 and the first wire storage wheel 12, and 3-4 turns of wire are wound between the first wire storage wheel 12 and the second wire storage wheel 13. The wire wound between the wire storage adjusting wheel 14 and the first wire storage wheel 12 is used for wire storage, and the wire wound between the first wire storage wheel 12 and the second wire storage wheel 13 is used to stabilize the tension of the wire before and after changing the spool. Preferably, 5 turns of wire are wound between the wire storage adjusting wheel 14 and the first wire storage wheel 12. 4 turns of wire are wound between the first wire storage wheel 12 and the second wire storage wheel 13, with two turns each upstream and downstream of the wire storage adjusting wheel 14.

[0024] In one embodiment of the present invention, the wire storage adjustment drive mechanism 2 includes a drive motor 21 and a lead screw 22, wherein the drive motor 21 is connected to the end of the lead screw 22; The wire storage adjusting wheel 14 is provided with a connecting block 141 and a slider 142. The slider 142 is provided with a vertical guide rod 143. The connecting block 141 is slidably engaged with the vertical guide rod 143. One side of the slider 142 is sleeved on the lead screw 22. The slider 142 is slidably engaged with the upright frame 11.

[0025] The drive motor 21 drives the lead screw 22 to rotate via gears, which in turn drives the slider 142 to rise or fall, causing the wire storage adjusting wheel 14 to rise or fall. The connecting block 141 of the wire storage adjusting wheel 14 slides in conjunction with the vertical guide rod 143, allowing the wire storage adjusting wheel 14 to rise and fall under the action of gravity, ensuring stable wire tension.

[0026] In one embodiment of this utility model, the wire end clamping mechanism 4 includes a first guide wheel 41, a second guide wheel 42, a pressure wheel 43, and a driving member 44. The first guide wheel 41, the second guide wheel 42, and the driving member 44 are all mounted on the upright frame 11. The wire extends from the wire feeding trolley 3, passes through the first guide wheel 41 and the second guide wheel 42 in sequence, and then winds around the second wire storage wheel 13. The driving member 44 is used to drive the pressure wheel 43 to abut against the second guide wheel 42, so that the wire is positioned between the pressure wheel 43 and the second guide wheel 42.

[0027] For example, the driving component 44 is a motor, and the output shaft of the motor is connected to a rocker arm. The pressure roller 43 is fixed to the end of the rocker arm. The motor drives the rocker arm to swing, which causes the pressure roller 43 to press against the second guide roller 42. It should be noted that in actual production, in order to improve the stability of wire positioning, the surface of the pressure roller 43 is provided with a rubber surface to increase friction. The upright frame 11 is fixed with a horizontal rod, and the first guide roller 41, the second guide roller 42, the pressure roller 43 and the driving component 44 are fixed to the horizontal rod.

[0028] In one embodiment of the present invention, the wire feeding trolley 3 includes a frame 31 and a magnetic powder brake 32 and a mounting shaft 33 mounted on the frame 31. The magnetic powder brake 32 is connected to the mounting shaft 33 in a transmission manner. Wheels are mounted on the bottom of the frame 31, and support components 34 are mounted on the four corners of the frame 31. The support components 34 enable the wheels to leave the ground.

[0029] The easily movable wire-feeding trolley 3 can move the spool from the storage position to the wire-feeding position. After one spool is finished being wired, another trolley carrying the spool is placed on the side of the moved spool to facilitate welding. The magnetic powder brake 32 stabilizes the wire tension of the wire-feeding trolley 3, and the support assembly 34 is used to position the frame 31 to prevent the wire-feeding trolley 3 from moving during the wire-feeding process, thus improving wire-feeding stability. The mounting shaft 33 is used to support the spool.

[0030] Specifically, the support assembly 34 includes a screw 341, a support plate 342, and a handwheel 343. The support plate 342 is rotatably connected to the bottom end of the screw 341, and the handwheel 343 is fixed to the top end of the screw. The bottom surface of the support plate 342 is provided with an anti-slip rubber layer, and the screw 341 is threadedly connected to the frame 31. When positioning the wire feeding trolley 3, the handwheels 343 of the four support assemblies 34 are rotated respectively to ensure that the anti-slip rubber layer of the support plate 342 is in complete contact with the ground and that the frame 31 of the wire feeding trolley 3 is in a horizontal state, further improving the stability of wire feeding.

[0031] Preferably, the mounting shaft 33 is fitted with a first limiting block 35, the magnetic powder brake 32 is installed on one side of the frame 31, and a locking rod is threadedly connected to the other side of the frame 31. One end of the locking rod is the operating end, and the other end is threadedly connected to a second limiting block 38. One end of the mounting shaft 33 and one end of the locking rod 36 are respectively inserted into the spool. The second limiting block 38 is provided with a rotating piece 381 through a bearing. The first limiting block 35 and the rotating piece 381 respectively abut against the two ends of the spool.

[0032] When the bobbin is installed on the wire feeding trolley 3, one end of the mounting shaft 33 is inserted into one end of the bobbin, and the end face of the bobbin abuts against the first limiting block 35. The surface of the end of the mounting shaft 33 inserted into the bobbin has rectangular teeth, and the corresponding interior of the bobbin has a limiting protrusion. The limiting protrusion engages with the rectangular teeth to allow the mounting shaft 33 to smoothly drive the bobbin to rotate. The rotating piece 381 of the second limiting block 38 abuts against the other end face of the bobbin, and preferably, the rotating piece 381 has a convex ring that can be inserted into the bobbin to improve the positioning effect between the rotating piece 381 and the bobbin. By rotating the locking rod, the position of the second limiting block 38 on the locking rod is adjusted so that the rotating piece 381 is pressed against the bobbin. Since the rotating piece 381 can rotate relative to the second limiting block 38, when the mounting shaft 33 drives the bobbin to rotate, the mounting shaft 33, the bobbin, and the rotating piece 381 rotate synchronously to achieve wire feeding.

[0033] Other components and operations of the wire feeding device for coating superconducting wires according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0034] In the description of this utility model, it should be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They 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 on this utility model. Furthermore, features defined with "first" and "second" may explicitly or implicitly include one or more of these features, used to distinguish and describe features, without any order or emphasis.

[0035] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0036] 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.

[0037] In this specification, the terms "embodiment," "example," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0038] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A wire feeding device for coating superconducting wires, characterized in that, It includes a vertical wire storage device and a wire feeding trolley, the wire feeding trolley being located in front of the vertical wire storage device, and a wire end clamping mechanism being provided between the wire feeding trolley and the prime number vertical wire storage device; The vertical wire storage device includes a frame, a first wire storage wheel, a second wire storage wheel, and a wire storage adjustment wheel. The first and second wire storage wheels are fixed to the frame, and the wire storage adjustment wheel is slidably disposed on the frame. After the wire extends from the wire feeding trolley and passes through the wire end clamping mechanism, it first winds multiple turns between the first and second wire storage wheels, then winds multiple turns between the first and second wire storage wheels, and finally winds multiple turns between the first and second wire storage wheels.

2. The wire feeding device for coating superconducting wires according to claim 1, characterized in that, The first wire storage wheel, the second wire storage wheel, and the wire storage adjusting wheel are each provided with multiple parallel wire grooves; Furthermore, the number of wire grooves in both the first and second wire storage wheels is greater than that in the wire storage adjustment wheel, and the wire storage adjustment wheel is located between the first and second wire storage wheels.

3. The wire feeding device for coating superconducting wires according to claim 1, characterized in that, The first wire storage wheel is installed on the upper part of the upright frame, the second wire storage wheel is installed on the lower part of the upright frame, and the wire storage adjusting wheel is vertically slidably installed on the upright frame; the wire storage adjusting wheel is connected to a wire storage adjusting drive mechanism.

4. The wire feeding device for coating superconducting wires according to claim 1, 2 or 3, characterized in that, The wire storage adjusting wheel is wound with 4-6 turns of wire between itself and the first wire storage wheel, and the first wire storage wheel is wound with 3-4 turns of wire between itself and the second wire storage wheel.

5. The wire feeding device for coating superconducting wires according to claim 3, characterized in that, The wire storage adjustment drive mechanism includes a drive motor and a lead screw, and the drive motor is connected to the end of the lead screw; The wire storage adjusting wheel is provided with a connecting block and a slider. The slider is provided with a vertical guide rod. The connecting block and the vertical guide rod are slidably engaged. One side of the slider is sleeved on the lead screw. The slider is slidably engaged with the upright frame.

6. The wire feeding device for coating superconducting wires according to claim 3, characterized in that, The wire end clamping mechanism includes a first guide wheel, a second guide wheel, a pressure wheel, and a driving component, all of which are mounted on the upright frame. The wire extends from the wire feeding trolley, passes sequentially around the first guide wheel and the second guide wheel, and then wraps around the second wire storage wheel; The driving component is used to drive the pressure roller to abut against the second guide roller, so that the wire is positioned between the pressure roller and the second guide roller.

7. The wire feeding device for coating superconducting wires according to claim 1, characterized in that, The wire feeding trolley includes a frame, a magnetic powder brake and a mounting shaft mounted on the frame, and the magnetic powder brake is connected to the mounting shaft in a driving connection. The frame has wheels mounted on its bottom and support assemblies mounted on its four corners, which lift the wheels off the ground.

8. The wire feeding device for coating superconducting wires according to claim 7, characterized in that, The support assembly includes a screw, a support plate, and a handwheel. The support plate is rotatably connected to the bottom end of the screw, and the handwheel is fixed to the top end of the screw. The bottom surface of the support plate is provided with an anti-slip rubber layer, and the screw is threadedly connected to the vehicle frame.

9. The wire feeding device for coating superconducting wires according to claim 7, characterized in that, The mounting bushing is provided with a first limiting block, the magnetic powder brake is installed on one side of the frame, and a locking rod is threadedly connected to the other side of the frame. One end of the locking rod is the operating end, and the other end is threadedly connected to a second limiting block. One end of the mounting shaft and one end of the locking rod are respectively inserted into the spool. The second limiting block is provided with a rotating plate through a bearing. The first limiting block and the rotating plate respectively abut against both ends of the spool.

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