Wire feeder

Abstract

The utility model discloses a wire feeding machine. The wire feeding machine comprises a rack, an unwinding assembly, a conveying assembly and a wire feeding pipe. The unwinding assembly is used for releasing a core wire; the conveying assembly is arranged on the rack, can rotate around a first axis and is used for conveying a core wire; the wire feeding pipe is rotatably connected to the conveying assembly around a second axis parallel to the first axis; the conveying assembly and the wire feeding pipe can pass through the working position in the rotating process. When the conveying assembly and the wire feeding pipe are both located at the working position, the core wire in the conveying assembly extends in the first direction, the wire feeding pipe is located on the downstream of the conveying assembly in the first direction, and the discharging end of the conveying assembly communicates with the feeding end of the wire feeding pipe. By the adoption of the wire feeder, after core wires are input, the conveying assembly and the wire feeding pipe are rotated, so that the conveying assembly and the wire feeding pipe are arranged at an angle, the length of the conveying assembly and the length of the wire feeding pipe extending out of the rack are reduced, the size of the wire feeder is reduced, and therefore the wire feeder is convenient to transport and store.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of metal smelting equipment, and particularly relates to a wire feeder. BACKGROUND

[0002] In-furnace refining is an important step in the steelmaking process. In the refining process, an alloying element or a specific additive needs to be added to molten steel usually by using a wire feeder. The wire feeder can control the wire feeding speed to adjust the wire feeding amount, that is, to control the addition amount of the alloying element or the additive, so as to ensure the comprehensive performance of the final casting. However, the existing wire feeder is large in size and inconvenient to transport and use. CONTENT OF THE UTILITY MODEL

[0003] The technical problem to be solved by the application is that the existing wire feeder is large in size and inconvenient to transport and use. To solve the technical problem, the application provides a wire feeder which is convenient to transport and use.

[0004] The technical scheme provided by the application is as follows:

[0005] A wire feeder comprises:

[0006] a rack;

[0007] a unwinding assembly arranged on the rack and configured to release a core wire;

[0008] a conveying assembly arranged on the rack and capable of rotating about a first axis, the conveying assembly being located downstream of the unwinding assembly and configured to convey the core wire;

[0009] a wire feeding tube rotatably connected to the conveying assembly about a second axis parallel to the first axis;

[0010] In the process of rotation of the conveying assembly and the wire feeding tube, both the conveying assembly and the wire feeding tube can pass through a working position.

[0011] When the conveying assembly and the wire feeding tube are located at the working position, the core wire in the conveying assembly extends in a first direction, the wire feeding tube is located downstream of the conveying assembly in the first direction, and a discharge end of the conveying assembly is in communication with a feeding end of the wire feeding tube.

[0012] The wire feeder is used to rotate the conveying assembly and the wire feeding tube to the working position, the unwinding assembly releases the core wire to the conveying assembly, the conveying assembly conveys the core wire into the wire feeding tube, and then the core wire is guided into the molten steel by the wire feeding tube. After the input of the core wire is completed, the conveying assembly and the wire feeding tube are arranged at an angle by rotating the conveying assembly and the wire feeding tube, the length of the conveying assembly and the wire feeding tube extending out of the rack is reduced, and the size of the wire feeder is reduced, thereby facilitating the transportation, use and storage of the wire feeder.

[0013] Further, the unwinding assembly comprises an unwinding shaft and an unwinding driver, the unwinding shaft is rotatably arranged on the frame around a third axis which is perpendicular to the first direction and the first axis, and the unwinding driver is connected with the unwinding shaft, and the unwinding shaft can release the core wire during rotation.

[0014] Further, the unwinding shaft and the conveying assembly are arranged along the first direction.

[0015] Further, the rotation radius of the feeding tube is 0.2-0.4m.

[0016] Further, the conveying assembly and the feeding tube rotate between the working position and the storage position.

[0017] When the conveying assembly and the feeding tube are both located at the storage position, the core wire in the conveying assembly extends along a second direction which is at an angle with the first direction, and the plane in which the central axis of the feeding tube is arranged at an angle with the second direction.

[0018] Further, the conveying assembly and the feeding tube rotate in the same direction from the working position to the storage position.

[0019] Further, the conveying assembly can also fix the core wire.

[0020] Further, the conveying assembly comprises a mounting box, a conveying module and a counting module, the mounting box is rotatably connected with the frame around the first axis, the conveying module and the counting module are both arranged in the mounting box, the conveying module is used for conveying or fixing the core wire, and the counting module is used for calculating the conveying length of the core wire.

[0021] Further, the conveying assembly further comprises a lifting module, the lifting module is rotatably connected with the mounting box around a fourth axis, the feeding tube is rotatably connected with the lifting module around the second axis, the lifting module is provided with a feeding channel through which the core wire passes, and the lifting module can pass through a feeding position and a lifting position during rotation.

[0022] When the lifting module is located at the feeding position and the conveying assembly is located at the working position, the feeding channel extends along the first direction; when the lifting module is located at the lifting position, the feeding channel is arranged at an angle with respect to the extension direction of the core wire in the mounting box.

[0023] Among them, the fourth axis is perpendicular to the extension direction of the core wire in the mounting box.

[0024] Furthermore, the feed tube includes a feeding section, an intermediate section, and a discharge section connected in sequence, and the feeding section is rotatably connected to the conveying assembly around the second axis;

[0025] When both the conveying assembly and the feed pipe are in the working position, the feeding section extends along the first direction. Attached Figure Description

[0026] The accompanying drawings are provided to further understand this application and form part of the specification. They are used together with the embodiments of this application to explain this application and do not constitute a limitation thereof.

[0027] Figure 1 This is a schematic diagram of the structure of a wire feeder provided in an embodiment of this application;

[0028] Figure 2 for Figure 1 The diagram shown is a structural schematic of the wire feeder in another state;

[0029] Figure 3 for Figure 1 The diagram shown is a structural schematic of the conveying assembly in the wire feeder.

[0030] Figure 4 for Figure 1 The diagram shows the wire feeder in another state.

[0031] Figure 5 for Figure 2 The diagram shows the structure of the lifting module and the feeding tube in the wire feeder.

[0032] Figure 6 for Figure 1 The diagram shows the structure of the lifting module and the wire feeding tube in the wire feeder.

[0033] Label Explanation:

[0034] 10. Wire feeder; 20. Core wire; 100. Frame; 110. Roller assembly; 200. Unwinding assembly; 210. Unwinding shaft; 220. Winding frame; 300. Conveying assembly; 310. Mounting box; 320. Conveying module; 321. Conveying drive wheel; 322. Conveying driven wheel; 323. Conveying drive component; 324. Pressing drive component; 330. Counting module; 331. Counting wheel; 332. Auxiliary wheel; 333. Encoder; 334. Pressing spring; 340. Lifting module; 341. Mounting plate; 342. Guide tube; 350. Lifting drive component; 400. Wire feeding tube; 410. Feeding section; 420. Intermediate section; 430. Discharge section; 510. First rotary drive component; 520. Second rotary drive component; 530. Connecting block; 540. Connecting gear; 550. Connecting rack. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0036] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0037] An embodiment of the present application provides a wire feeder which can be used to add alloying elements or specific additives to molten steel in a refining process. Of course, the wire feeder can also be applied to other processes, and a person skilled in the art can select according to needs, which is not limited here.

[0038] As shown in Figure 1 and Figure 2 , in one embodiment, the wire feeder 10 includes a frame 100, a pay-off assembly 200, a delivery assembly 300 and a spool 400.

[0039] The pay-off assembly 200 and the delivery assembly 300 are both arranged on the frame 100, and the pay-off assembly 200 is used to release the core wire 20 (see Figure 3 ). The delivery assembly 300 is rotatable about a first axis and is located downstream of the pay-off assembly 200, and the delivery assembly 300 is used to deliver the core wire 20. The spool 400 is rotatably connected to the delivery assembly 300 about a second axis parallel to the first axis. Both the delivery assembly 300 and the spool 400 can pass through a working position during rotation.

[0040] When the delivery assembly 300 and the spool 400 are both located at the working position, the core wire 20 in the delivery assembly 300 extends in a first direction, the spool 400 is located downstream of the delivery assembly 300 in the first direction, and the discharge end of the delivery assembly 300 is in communication with the feeding end of the spool 400, so that the core wire 20 delivered by the delivery assembly 300 can continue to be delivered through the spool 400 and be delivered in the spool 400.

[0041] In some working environments, the end of the feed tube 400 furthest from the conveying assembly 300 can extend above the molten metal, such as above molten steel, thereby guiding the core wire 20 into the molten steel to facilitate the addition of alloying elements or additives. Specifically... Figure 1 In the embodiment shown, both the first axis and the second axis are vertical axes, and the first direction is horizontal.

[0042] Using the aforementioned wire feeder 10, the conveying assembly 300 and the wire feeding tube 400 are rotated to the working position. The unwinding assembly 200 releases the core wire 20 to the conveying assembly 300, which then conveys the core wire 20 into the wire feeding tube 400, where it is guided into the molten steel. After the core wire 20 is fed in, the conveying assembly 300 and the wire feeding tube 400 can be rotated to be angled, reducing the length of the conveying assembly 300 and the wire feeding tube 400 extending out of the frame 100 and thus reducing the size of the wire feeder 10, thereby facilitating its transportation and storage.

[0043] It should be explained that when both the conveying assembly 300 and the wire feeding tube 400 are in the working position, the wire feeding tube 400 is located downstream of the conveying assembly 300 in the first direction. That is, the conveying assembly 300 and the wire feeding tube 400 are arranged sequentially along the first direction, and the wire feeding tube 400 is located downstream of the conveying assembly 300 along the conveying direction of the core wire 20, so that the conveying assembly 300 can convey the core wire 20 to the wire feeding tube 400. At the same time, the conveying assembly 300 and the wire feeding tube 400 will extend a considerable distance from the frame 100 to facilitate the conveying of the core wire 20 into the molten steel. When the wire feeding tube 400 rotates away from the working position, the wire feeding tube 400 can be set at an angle relative to the conveying assembly 300, thereby retracting the wire feeding tube 400 and reducing the size of the wire feeder 10.

[0044] In addition, Figure 1 In the embodiment shown, both the conveying component 300 and the wire feeding tube 400 are in the working position. If the conveying component 300 is rotated around the first axis, the conveying component 300 can also retract the frame 100, thereby further reducing the volume of the wire feeder 10.

[0045] In one embodiment, both the conveying component 300 and the feeding tube 400 can pass through the storage position during rotation, and the conveying component 300 and the feeding tube 400 rotate between the working position and the storage position. For example... Figure 2 As shown, at this time, both the conveying component 300 and the feeding tube 400 are in the storage position.

[0046] When both the conveying assembly 300 and the feeding tube 400 are in the retracted position, the core wire 20 in the conveying assembly 300 extends along a second direction at an angle to the first direction, and the plane containing the central axis of the feeding tube 400 is set at an angle to the second direction. Specifically...Figure 2 In the embodiment shown, the first direction and the second direction are perpendicular, and both the first direction and the second direction are horizontal directions, and the plane in which the central axis of the wire feeding tube 400 lies is perpendicular to the second direction.

[0047] By simultaneously storing the conveying assembly 300 and the wire feeding tube 400, the volume of the wire feeder 10 can be further reduced, thereby facilitating transportation and storage of the wire feeder 10.

[0048] In combination with Figure 1 and Figure 2 It can be determined that the conveying assembly 300 and the wire feeding tube 400 rotate in the same direction from the working position to the storage position. Assuming that the wire feeder 10 is observed from above, the conveying assembly 300 rotates clockwise from the working position to the storage position, and the wire feeding tube 400 also rotates clockwise from the working position to the storage position.

[0049] It should be noted that the above-mentioned working position and storage position are described according to the functions, and are not limited to the same position of the conveying assembly 300 and the wire feeding tube 400, but refer to the action of the conveying assembly 300 and / or the wire feeding tube 400 when in the working position to convey the core wire 20; when in the storage position, the conveying assembly 300 and / or the wire feeding tube 400 are retracted into the rack 100. In other words, the conveying assembly 300 rotates between the first working position and the first storage position, and the wire feeding tube 400 rotates between the second working position and the second storage position.

[0050] In an embodiment, the wire feeder 10 further comprises a roller assembly 110 arranged at the bottom of the rack 100, so that the wire feeder 10 can be moved, further facilitating transportation of the wire feeder 10. Preferably, the roller assembly 110 comprises a plurality of universal wheels.

[0051] In an embodiment, the unwinding assembly 200 comprises an unwinding shaft 210, which is rotatably arranged on the rack 100 about a third axis perpendicular to the first direction and the first axis, i.e. the third axis is the central axis of the unwinding shaft 210. The unwinding shaft 210 can release the core wire 20 during rotation. By releasing the core wire 20 through the unwinding shaft 210 rotating about the third axis, the smoothness of the core wire 20 release can be effectively improved, and the core wire 20 can be prevented from being stuck. Specifically, the unwinding shaft 210 is sleeved with a winding frame 220, the winding frame 220 is used for winding the core wire 20, and the winding frame 220 is in the shape of an I-beam.

[0052] Further, the unwinding assembly 200 further comprises an unwinding driving member, which is connected with the unwinding shaft 210 to drive the unwinding shaft 210 to rotate, so as to realize automatic release of the core wire 20. Meanwhile, by unwinding through the unwinding driving member, tension control of the core wire 20 can also be realized. In this way, not only can the core wire 20 be prevented from being broken due to excessive tension, but also the core wire 20 can be prevented from being accumulated too much between the unwinding assembly 200 and the conveying assembly 300.

[0053] In one embodiment, the unwinding shaft 210 and the conveying assembly 300 are arranged along the first direction. In this way, when the conveying assembly 300 and the wire feeding tube 400 are both in the working position, the core wire 20 in the conveying assembly 300 is conveyed along the first direction, and the unwinding shaft 210 is located upstream of the conveying assembly 300 along the first direction, so as not to excessively bend the core wire 20, thereby making the conveying of the core wire 20 more fluent.

[0054] In one embodiment, the wire feeder 10 further comprises a first rotary driving member 510, which is arranged on the rack 100 and connected with the conveying assembly 300 to drive the conveying assembly 300 to rotate about the first axis. Specifically, the first rotary driving member 510 is an electric motor.

[0055] In one embodiment, the conveying assembly 300 is also capable of fixing the core wire 20, i.e. stopping the conveying of the core wire 20, so as to fix the core wire 20 relative to the rack 100. After the core wire 20 is fixed, the wire feeding tube 400 can be rotated about the second axis, so that the core wire 20 moves in and out of the wire feeding tube 400, thereby removing the metal slag at the discharge end of the wire feeding tube 400. It needs to be explained that the discharge end of the wire feeding tube 400 is close to the molten steel, and the molten steel is easy to splash to the discharge end of the wire feeding tube 400 and solidify to form metal slag. If the metal slag is accumulated too much, the wire feeding tube 400 will be blocked. Therefore, the core wire 20 moves in and out of the wire feeding tube 400, so that the metal slag at the discharge end of the wire feeding tube 400 is removed.

[0056] In one embodiment, the conveying assembly 300 comprises a mounting box 310, a conveying module 320 and a counting module 330, the mounting box 310 is rotatably connected to the rack 100 about the first axis, and the conveying module 320 and the counting module 330 are both arranged in the mounting box 310. The conveying module 320 is used to convey the core wire 20, and the counting module 330 is used to measure the conveying length of the core wire 20. It can be determined that when the conveying assembly 300 is in the working position, the conveying module 320 and the counting module 330 are arranged along the first direction, so as to ensure that the core wire 20 in the conveying assembly 300 extends along the first direction. Specifically, in the embodiment shown in the figure, the conveying module 320 is arranged upstream of the counting module 330 along the first direction. Figure 3 In the embodiment shown in the figure, the counting module 330 is arranged downstream of the conveying module 320.

[0057] In one embodiment, the conveying module 320 comprises a conveying driving wheel 321, a conveying driven wheel 322 and a conveying driving member 323. The conveying driving wheel 321 and the conveying driven wheel 322 are rotatably arranged in the mounting box 310 and can cooperate to clamp the core wire 20. The conveying driving member 323 is arranged in the mounting box 310 and connected with the conveying driving wheel 321 to drive the conveying driving wheel 321 to rotate, so that the conveying driving wheel 321 and the conveying driven wheel 322 cooperate to convey the core wire 20.

[0058] Further, the conveying module 320 further comprises a pressing driving member 324 arranged in the mounting box 310 and connected with the conveying driven wheel 322 to drive the conveying driven wheel 322 to press the core wire 20 against the conveying driving wheel 321. It can be understood that the conveying driven wheel 322 is rotatably connected with the pressing driving member 324. Optionally, the pressing driving member 324 is a pneumatic cylinder or an oil cylinder.

[0059] In actual application, the circumferential side surface of the conveying driving wheel 321 and the conveying driven wheel 322 is an arc surface concave inward, and a plurality of anti-skid teeth are arranged on the arc surface in a circumferential direction. In this way, the core wire 20 can be prevented from slipping relative to the conveying module 320. At the same time, it can be determined that when the conveying driving member 323 stops driving the conveying driving wheel 321 to rotate, the conveying driving wheel 321 and the conveying driven wheel 322 can cooperate to clamp and fix the core wire 20.

[0060] Specifically Figure 3 In the embodiment shown, the conveying module 320 comprises two conveying driving wheels 321, two conveying driven wheels 322 and two pneumatic cylinders arranged one by one. The two conveying driving wheels 321 are arranged in sequence and spaced apart in the conveying direction of the core wire 20, and the conveying driving member 323 is connected with the two conveying driving wheels 321 at the same time. In this way, through the cooperation of the two conveying driving wheels 321 and the two conveying driven wheels 322, the stability of conveying can be further improved.

[0061] In one embodiment, the counting module 330 comprises a counting wheel 331, an auxiliary wheel 332 and an encoder 333. The counting wheel 331 and the auxiliary wheel 332 are rotatably arranged in the mounting box 310 and cooperate to clamp the core wire 20 to rotate during the conveying of the core wire 20. The encoder 333 is arranged on the counting wheel 331 to measure the conveying length of the core wire 20 during the rotation of the counting wheel 331. It should be noted that, in order to prevent the core wire 20 from slipping relative to the counting wheel 331 and the auxiliary wheel 332, the circumferential side surface of the counting wheel 331 and the auxiliary wheel 332 is also an arc surface concave inward, and the arc surface is also provided with anti-skid teeth.

[0062] In actual application, the counting module 330 further comprises a compression spring 334 arranged in the mounting box 310 and connected with the counting wheel 331 to drive the counting wheel 331 to move towards the auxiliary wheel 332, so as to compress the core wire 20 against the auxiliary wheel 332.

[0063] In one embodiment, both sides of the mounting box 310 are provided with through holes for the core wire 20 to pass through in the conveying direction of the core wire 20. Figure 3 In the embodiment shown in

[0064] Please refer to Figure 3 and Figure 4 In one embodiment, the conveying assembly 300 further comprises a lifting module 340 rotatably connected with the mounting box 310 around a fourth axis and located downstream of the conveying module 320. The feeding pipe 400 is rotatably connected with the lifting module 340 around the second axis. The lifting module 340 is provided with a feeding channel for the core wire 20 to pass through, and the lifting module 340 can pass through a feeding position and a lifting position during rotation. As shown in Figure 4 , at this time, the conveying assembly 300 and the feeding pipe 400 are located at the working position, and the lifting module 340 is located at the lifting position. Similarly, it can be known that in the embodiments shown in Figure 1 and Figure 2 , at this time, the lifting module 340 is located at the feeding position.

[0065] When the lifting module 340 is located at the feeding position and the conveying assembly 300 is located at the working position, the feeding channel extends in the first direction, that is, the extension direction of the feeding channel is the same as the extension direction of the core wire 20 at the conveying module 320; when the lifting module 340 is located at the lifting position, the extension direction of the feeding channel is arranged at an angle with the extension direction of the core wire 20 at the conveying module 320, so as to lengthen the path of the core wire 20. In combination with the above-mentioned conveying module 320 to fix the core wire 20, this operation can make the end of the core wire 20 close to the molten steel retract into the feeding pipe 400.

[0066] When the feeding pipe 400 is located at the working position, the feeding channel is in communication with the feeding end of the feeding pipe 400, so that the core wire 20 passing through the feeding channel enters the feeding pipe 400, facilitating the conveying of the core wire 20.

[0067] The fourth axis is perpendicular to the extension direction of the core wire 20 in the mounting box 310. In the embodiment shown in Figure 4 , the fourth axis is also perpendicular to the first axis.

[0068] It can be understood that the conveying module 320 needs to stop conveying the core wire 20, i.e. clamping and fixing the core wire 20, when the lifting module 340 is rotated from the feeding position to the lifting position. Therefore, it can be known that, by rotating the lifting module 340 between the feeding position and the lifting position, the core wire 20 can be moved in and out of the feeding tube 400, and the metal slag at the discharge end of the feeding tube 400 can be removed.

[0069] It should be noted that the rotation of the lifting module 340 realizes the reciprocating lifting of the core wire 20 close to the molten steel end, and this operation can be matched with the rotation of the feeding tube 400 in the above-mentioned embodiment to prolong the stroke of the core wire 20 moving in and out. Of course, in other embodiments, the rotation of the feeding tube 400 can also be used for switching between the working position and the storage position, and the removal of the metal slag at the discharge end of the feeding tube 400 can be realized by the action of the lifting module 340.

[0070] Please refer to Figures 3 to 5 In an embodiment, the lifting module 340 comprises a mounting plate 341 and a guide pipe 342, the mounting plate 341 is rotatably connected to the side of the mounting box 310 away from the unwinding assembly 200 around the fourth axis, and the guide pipe 342 is arranged on the mounting plate 341. The feeding tube 400 is rotatably connected to the mounting plate 341 around the second axis. The guide pipe 342 has the feeding channel described above. When the lifting module 340 is located at the feeding position, the guide pipe 342 is coaxial with the through hole on the mounting box 310, so that the core wire 20 output from the through hole enters the guide pipe 342.

[0071] Further, the conveying assembly 300 further comprises a lifting driving member 350, which is arranged on the mounting box 310 and connected with the mounting plate 341 to drive the mounting plate 341 to rotate around the fourth axis. Specifically to Figure 3 In the embodiment shown, the lifting driving member 350 is a pneumatic cylinder arranged at the bottom of the mounting box 310, and the driving end of the lifting driving member 350 is hinged to the mounting plate 341.

[0072] Please refer to Figure 1 In an embodiment, the feeding tube 400 comprises a feeding section 410, an intermediate section 420 and a discharge section 430 connected in sequence, and the feeding section 410 is rotatably connected to the conveying assembly 300 around the second axis. When the conveying assembly 300 and the feeding tube 400 are both located at the working position, the feeding section 410 extends along the first direction, and the feeding section 410 is in communication with the guide pipe 342 to receive the core wire 20 output from the guide pipe 342; the discharge section 430 extends along the vertical direction to guide the core wire 20 to be conveyed into the molten steel. In practical application, the intermediate section 420 is arc-shaped to make the conveying of the core wire 20 in the feeding tube 400 more smooth.

[0073] It should be explained that, as known from the above-mentioned embodiments, when the lifting module 340 is rotated from the feeding position to the lifting position,Figure 4 In the embodiment shown, the lifting module 340 is in the lifting position, and the discharge section 430 of the feeding tube 400 is inclined relative to the vertical direction. However, in actual operation, the lifting module 340 is used to realize the reciprocating movement of the core wire 20 in the feeding tube 400 to remove the metal slag at the discharge end, that is, when the lifting module 340 is in the lifting position, the conveying assembly 300 is in a special state, and when the lifting module 340 is in the feeding position, the conveying assembly 300 is in a normal state. In Figure 1 and Figure 2 In the embodiment shown, the conveying assembly 300 is in the normal state, and at this time, the discharge section 430 extends along the vertical direction.

[0074] In one embodiment, the rotation radius of the feeding tube 400 is 0.2-0.4 m. For example: 0.2 m, 0.25 m, 0.3 m, 0.35 m, 0.4 m. It can be understood that, as Figure 5 As shown, the feeding tube 400 is in the storage position, the angle between the central axis of the feeding tube 400 and the core wire 20 in the conveying assembly 300 is 90°, the core wire 20 extends from the conveying assembly 300 to the feeding tube 400, and the extension path of the core wire 20 is close to the rotation path of the feeding end of the feeding tube 400. Therefore, by increasing the rotation radius of the feeding tube 400, the curvature of the rotation path of the feeding end of the feeding tube 400 can be reduced, that is, the curvature of the core wire 20 between the conveying assembly 300 and the feeding tube 400 can be reduced, the bending degree of the core wire 20 can be reduced, and the core wire 20 can be prevented from being broken.

[0075] It should be noted that the conveying assembly 300 is rotatably connected to the rack 100, and during the rotation of the conveying assembly 300 to the storage position, the length of the core wire 20 between the unwinding assembly 200 and the conveying assembly 300 is relatively long, and the activity range of the core wire 20 is relatively large, so that the curvature of the core wire 20 can be adaptively adjusted, thereby preventing the core wire 20 between the unwinding assembly 200 and the conveying assembly 300 from being broken.

[0076] Please also refer to Figure 6 In one embodiment, the wire feeder 10 further comprises a second rotary driving member 520, which is arranged on the conveying assembly 300 and specifically arranged on the mounting plate 341. The second rotary driving member 520 is connected with the feeding tube 400 to drive the feeding tube 400 to rotate around the second axis.

[0077] Further, the wire feeder 10 further comprises a connecting block 530, which is rotatably connected to the mounting plate 341 around the first axis. The feeding tube 400 is fixedly connected with the connecting block 530, thereby increasing the rotation radius of the feeding tube 400.

[0078] Further, the yarn feeder 10 further comprises a connecting gear 540 and a connecting rack 550. The connecting gear 540 is fixedly connected with the connecting block 530, and the connecting rack 550 is engaged with the connecting gear 540. The second rotary driving member 520 is connected with the connecting rack 550 to drive the connecting rack 550 to move back and forth, thereby driving the connecting gear 540 and the connecting block 530 to rotate around the second axis.

[0079] It can be understood that, in the embodiment, the second rotary driving member 520 is an electric cylinder, a pneumatic cylinder or an oil cylinder. In other embodiments, the second rotary driving member 520 can also be a motor, in which case the second rotary driving member 520 is directly connected with the connecting block 530 to drive the connecting block 530 to rotate around the second axis.

[0080] In order to facilitate the understanding of the technical solutions of the present application, the working process of the yarn feeder 10 in the above embodiment will be described below in combination with Figure 1 , Figure 2 and Figure 4 .

[0081] Initially, the conveying assembly 300 and the feeding tube 400 in the yarn feeder 10 are located at the storage position, and the core wire 20 on the unwinding assembly 200 has passed through the conveying assembly 300 and entered the feeding tube 400.

[0082] The yarn feeder 10 is moved to a preset working position, and then the first rotary driving member 510 and the second rotary driving member 520 drive the conveying assembly 300 and the feeding tube 400 to rotate to the working position, respectively, so that the discharge end of the feeding tube 400 is close to the molten steel. Next, the unwinding driving member is actuated to release the core wire 20 under the condition of maintaining a certain tension. At the same time, the conveying module 320 continuously conveys the core wire 20 to the feeding tube 400, and inputs the core wire 20 into the molten steel through the feeding tube 400. The counting module 330 measures the conveying length of the core wire 20 during the conveying process of the core wire 20, thereby obtaining the feeding amount of the core wire 20. After the feeding amount reaches the requirement, the unwinding assembly 200 and the conveying assembly 300 stop the conveying of the core wire 20, and then the first rotary driving member 510 and the second rotary driving member 520 drive the conveying assembly 300 and the feeding tube 400 to rotate to the storage position, respectively.

[0083] It should be noted that, after the feeding is completed, the metal slag at the discharge end of the feeding tube 400 can be removed by driving the lifting module 340 to reciprocate between the feeding position and the lifting position through the lifting driving member 350. In addition, a control box with a display screen can also be arranged on the rack 100, and control parameters are input through the control box to control the actions of the yarn feeder 10.

[0084] The casting feeding machine 10 is used to release the core wire 20 prepared by the alloy or additive, the conveying assembly 300 conveys the core wire 20 at a speed of 0.1-0.8 m / s, and the core wire 20 is conveyed along the feeding pipe 400 into the molten metal to realize the addition of the alloy or additive. In this way, the addition efficiency of the alloy or additive can be ensured, and the absorption rate of the molten metal to the alloy or additive is high, and the smelting effect is improved.

[0085] It should be explained that the core wire 20 is input at a speed of 0.1-0.8 m / s, so that the core wire 20 can be fully contacted and reacted with the molten metal, thereby improving the absorption rate of the molten metal to the alloy or additive. Further, the outer diameter of the core wire is designed to be 9-16 mm, and the metal skin thickness of the core wire is 0.4-0.6 mm, and the feeding speed is 0.1-0.8 m / s, which can further improve the addition efficiency of the alloy or additive, and the absorption rate of the molten metal to the alloy or additive is high, and the smelting effect is improved. For example, the feeding speed is 0.5 m / s, the diameter of the core wire is 13 mm, and the thickness of the metal skin is 0.45 mm, and the smelting effect is very excellent.

[0086] In summary, the feeding machine 10 has at least the following advantages:

[0087] 1. The conveying assembly 300 and the feeding pipe 400 can be stored, and after storage, the volume of the feeding machine 10 can be effectively reduced, thereby facilitating the transportation, use and storage of the feeding machine 10;

[0088] 2. The core wire 20 can be conveyed at a stable tension by the unwinding drive member cooperating with the unwinding shaft 210 to actively unwind;

[0089] 3. The I-shaped winding frame 220 rotates around the third axis to release the core wire 20, which can make the release of the core wire 20 more smooth and avoid being stuck;

[0090] 4. The feeding pipe 400 has a large rotating radius, which can avoid the core wire 20 being broken during the rotation of the feeding pipe 400.

[0091] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A yarn feeder characterized by, The application relates to a feeding device for a core wire, which comprises the following parts: a rack; a releasing assembly arranged on the rack and used for releasing the core wire; a conveying assembly arranged on the rack and capable of rotating around a first axis, the conveying assembly being located downstream of the releasing assembly and used for conveying the core wire; a feeding tube rotatably connected to the conveying assembly around a second axis parallel to the first axis; wherein the conveying assembly and the feeding tube can pass through a working position during rotation; when the conveying assembly and the feeding tube are both located at the working position, the core wire in the conveying assembly extends in a first direction, the feeding tube is located downstream of the conveying assembly in the first direction, and a discharge end of the conveying assembly is communicated with a feeding end of the feeding tube.

2. The yarn feeder of claim 1, wherein The releasing assembly comprises a releasing shaft rotatably arranged on the rack around a third axis perpendicular to the first direction and the first axis, and a releasing driving element connected to the releasing shaft, and the releasing shaft can release the core wire during rotation.

3. The yarn feeder of claim 2, wherein The releasing shaft and the conveying assembly are arranged along the first direction.

4. The yarn feeder of claim 1, wherein The rotation radius of the feeding tube is 0.2-0.4 m.

5. The yarn feeder of claim 1, wherein The conveying assembly and the feeding tube rotate between the working position and a storage position; when the conveying assembly and the feeding tube are both located at the storage position, the core wire in the conveying assembly extends in a second direction at an angle to the first direction, and a central axis of the feeding tube is arranged at an angle to the second direction.

6. The yarn feeder of claim 5, wherein The rotation directions of the conveying assembly and the feeding tube from the working position to the storage position are the same.

7. The yarn feeder of claim 1, wherein The conveying assembly can also fix the core wire.

8. The yarn feeder of claim 7, wherein The conveying assembly comprises a mounting box rotatably connected to the rack around the first axis, a conveying module and a counting module, the conveying module and the counting module are both arranged in the mounting box, the conveying module is used for conveying or fixing the core wire, and the counting module is used for counting the conveying length of the core wire.

9. The yarn feeder of claim 8 wherein, The conveying assembly further comprises a lifting module rotatably connected to the mounting box around a fourth axis, the feeding tube is rotatably connected to the lifting module around the second axis, the lifting module is provided with a feeding channel for the core wire to pass through, and the lifting module can pass through a feeding position and a lifting position during rotation; when the lifting module is located at the feeding position and the conveying assembly is located at the working position, the feeding channel extends in the first direction; when the lifting module is located at the lifting position, the feeding channel is arranged at an angle to the extension direction of the core wire in the mounting box; wherein the fourth axis is perpendicular to the extension direction of the core wire in the mounting box.

10. The yarn feeder of claim 1, wherein The feeding tube comprises a feeding section, an intermediate section and a discharge section connected in sequence, and the feeding section is rotatably connected to the conveying assembly around the second axis; when the conveying assembly and the feeding tube are both located at the working position, the feeding section extends in the first direction.

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