CN113042694A - High-controllability spheroidizing wire feeding equipment - Google Patents
High-controllability spheroidizing wire feeding equipment Download PDFInfo
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- CN113042694A CN113042694A CN202110284292.6A CN202110284292A CN113042694A CN 113042694 A CN113042694 A CN 113042694A CN 202110284292 A CN202110284292 A CN 202110284292A CN 113042694 A CN113042694 A CN 113042694A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention relates to the field of wire feeding equipment, in particular to high-controllability spheroidizing wire feeding equipment which comprises a wire feeding driving mechanism, a wire feeding roller mechanism, a wire feeding guide mechanism, a wire discharging guide mechanism, a tensioning guide mechanism and a rack, wherein the wire feeding roller mechanisms are arranged from front to back, and are connected to the rack side by side; a tensioning guide mechanism is arranged between two adjacent wire feeding roller mechanisms, and two ends of the tensioning guide mechanism are connected to the rack in a matching manner; the wire feeding guide mechanism is fixedly connected to the front end of the rack and is positioned at the front ends of the wire feeding roller mechanisms; according to the highly controllable spheroidizing wire feeding equipment, the structure of the wire feeding roller mechanism in the equipment can be adjusted according to the diameter size of a spheroidizing wire, so that the spheroidizing wire is more accurately guided and controlled by the movable compression roller and the fixed compression roller in the wire feeding process.
Description
Technical Field
The invention relates to the field of wire feeding equipment, in particular to high-controllability spheroidizing wire feeding equipment.
Background
The wire feeding technology is an external refining process developed abroad in the late 70 th century. The technology is widely applied to the metallurgical steelmaking industry, and is a technological method for carrying out deep desulfurization and calcium treatment on molten steel and finely adjusting the content of elements such as carbon, aluminum and the like in steel by feeding a deoxidizing agent and a desulfurizing agent which are wrapped by iron sheets into a steel ladle through a wire feeding machine or directly feeding an aluminum wire, a carbon wire and the like into the steel ladle. With the progress and development of wire feeding technology, the wire feeding technology is gradually applied to the field of casting, and is particularly suitable for nodular cast iron, vermicular cast iron and the like. However, the position of the pinch wheel inside the wire feeding device in the prior art is fixed, the distance between the two pinch wheels for clamping the spheroidizing silk thread cannot be adjusted, and the wire feeding device is not convenient to be applied to guide and send the spheroidizing silk threads with different sizes.
Disclosure of Invention
The invention aims to provide high-controllability spheroidizing wire feeding equipment which can effectively solve the problems in the prior art.
In order to achieve the purpose, the application provides high-controllability spheroidizing wire feeding equipment which comprises a wire feeding driving mechanism, a wire feeding roller mechanism, a wire feeding guide mechanism, a wire discharging guide mechanism, a tensioning guide mechanism and a frame, wherein the wire feeding roller mechanisms are arranged from front to back, and are connected to the frame side by side; a tensioning guide mechanism is arranged between two adjacent wire feeding roller mechanisms, and two ends of the tensioning guide mechanism are connected to the rack in a matching manner; the wire feeding guide mechanism is fixedly connected to the front end of the rack and is positioned at the front ends of the wire feeding roller mechanisms; the wire outlet guide mechanism is fixedly connected to the rear end of the rack and is positioned at the rear ends of the wire feeding roller mechanisms; the wire feeding driving mechanism is connected to the rack in a matching mode, and the wire feeding driving mechanism is connected with the wire feeding roller mechanisms in a transmission mode.
The wire feeding roller mechanism comprises a transmission worm wheel, a transmission rotating shaft, a fixed rotating pipe, a bearing seat, a lower friction transmission wheel, a lower friction linkage wheel, a sliding rotating pipe, an upper friction transmission wheel, an upper friction linkage wheel, an adjusting roller frame, a movable pressing roller and a fixed pressing roller; the wire feeding driving mechanism is in transmission connection with the transmission worm gear; the transmission worm wheel is fixed at the bottom end of the transmission rotating shaft; the lower end of the transmission rotating shaft is fixed in the through hole of the fixed rotating pipe; the fixed rotating pipe is rotationally matched on the bearing seat, and the bearing seat is fixed on the rack; the lower friction driving wheel fixed on the fixed rotating pipe is vertically connected with the lower friction linkage wheel in a friction transmission manner, the lower friction linkage wheel is fixed at one end of the fixed pressing roller, two ends of the fixed pressing roller are in running fit with the left end and the right end of the rack, and the lower friction driving wheel is positioned below the axis of the lower friction linkage wheel; the sliding rotating pipe which is rotationally matched on the adjusting roller frame is in sliding fit with the upper end of the transmission rotating shaft, the inner side of the sliding rotating pipe is provided with a longitudinal convex edge, and the longitudinal convex edge is in sliding fit with a longitudinal groove on the transmission rotating shaft; an upper friction driving wheel fixed on the sliding rotating pipe is vertically connected with the upper friction linkage wheel in a friction transmission manner, and the upper friction driving wheel is positioned above the axis of the upper friction linkage wheel; the upper friction linkage wheel is fixed at one end of the movable compression roller, and two ends of the movable compression roller are in sliding fit with the upper and lower slideways at the left and right ends of the rack; the movable compression roller is rotatably connected to the adjusting roller frame, and the movable compression roller and the fixed compression roller are arranged oppositely.
The adjusting roller frame comprises a movable bracket, a fixed transverse frame, a guide vertical shaft, an adjusting screw and an adjusting runner; the fixed transverse frame is fixed on the side surface of the rack; the top end of the guide vertical shaft is fixed on the fixed transverse frame, and the movable bracket is in sliding fit with the guide vertical shaft; the top end of the adjusting screw rod is rotatably connected to the fixed transverse frame, the bottom end of the adjusting screw rod is fixedly connected with an adjusting rotating wheel, and the middle part of the adjusting screw rod is in threaded transmission connection with the movable bracket; the movable press roller and the sliding rotating pipe are rotatably connected to the movable bracket.
The guide vertical shaft is sleeved with a tensioning spring, and two ends of the tensioning spring are respectively fixedly connected with the movable bracket and the fixed cross frame.
The wire feeding driving mechanism comprises a servo motor with a speed reducer, a friction wheel assembly, a friction linkage disc, a worm and a side bracket; the servo motor is fixed on the frame through a motor support, and an output shaft of the servo motor is in transmission connection with the friction wheel assembly; the friction wheel assembly is in transmission connection with the friction linkage disc; the friction linkage disc is fixed on the worm; the worm is rotatably connected to the rack through two side brackets; the worm is in meshed transmission connection with the transmission worm wheel.
The friction wheel assembly comprises an irregular friction wheel, a rotating sliding pipe, a baffle ring, a rotating shaft, a bearing frame, a jacking spring, a linkage frame, a transverse screw, a linkage worm wheel and a limiting bracket; the irregular friction wheel is connected with the friction linkage disc in intermittent friction transmission mode and is positioned on the inner side of the axis of the friction linkage disc; the irregular friction wheel is fixed in the middle of the rotating sliding pipe; the rotary sliding pipe is in sliding fit with the rotary shaft, a guide groove is formed in the rotary shaft, and the guide groove is in sliding fit with a guide convex rib in the rotary sliding pipe; one end of the rotating shaft is in transmission connection with an output shaft of the servo motor through a coupler, the other end of the rotating shaft is rotatably connected to a bearing bracket, and the bearing bracket is fixed on the rack; the outer end of the rotating sliding pipe is rotatably connected with a baffle ring, and the baffle ring is fixedly connected with the bearing bracket through a jacking spring sleeved on the rotating shaft; one end of the linkage frame is in sliding fit with the rotating shaft and is blocked at the inner side of the rotating sliding pipe; the other end of the linkage frame is in threaded fit with the transverse screw rod through the internal thread hole; the inner end of the transverse screw rod is rotatably connected to the limiting bracket, and the outer end of the transverse screw rod is connected with the linkage worm wheel in a matching manner; the worm is in meshed transmission connection with a linkage worm wheel so as to drive the transverse screw to rotate through the linkage worm wheel; the rod body at one end of the transverse screw rod, which is close to the bearing frame, is a smooth cylindrical rod surface, and the cylindrical rod surface can be in sliding fit with the internal thread hole of the linkage frame.
The linkage worm wheel comprises a worm wheel body, a regulation and control inserted rod and an inserted rod seat; the worm wheel body is rotatably connected to the outer end of the transverse screw rod and is in meshed transmission connection with the worm; one end of the inserting rod seat is fixed at the outer end of the transverse screw rod, and the other end of the inserting rod seat is in threaded fit connection with the middle part of the adjusting inserting rod; the inner end of the regulating inserted bar is inserted in the insertion hole of the worm wheel body.
Optionally, the wire feeding guide mechanism comprises a front mounting frame, a front vertical rod, a wire feeding guide ring, a front compression spring and a front spring seat; a plurality of front sliding holes are arranged on the front mounting rack side by side; the middle part of the front vertical rod is in sliding fit with the inner side of a front sliding hole, the upper end and the lower end of the front vertical rod are respectively fixedly connected with the wire feeding guide ring and the front spring seat, and the two ends of the front compression spring sleeved on the front vertical rod are respectively fixedly connected with the front mounting frame and the front spring seat.
Optionally, the wire outlet guide mechanism comprises a rear mounting frame, a rear vertical rod, a wire outlet guide ring, a rear compression spring, a rear spring seat and a guide pipe; a plurality of rear sliding holes are arranged on the rear mounting rack side by side; the middle part of the rear vertical rod is matched with the inner side of a rear sliding hole in a sliding manner, the upper end and the lower end of the rear vertical rod are respectively and fixedly connected with the wire outlet guide ring and the rear spring seat, and the two ends of a rear compression spring sleeved on the rear vertical rod are respectively and fixedly connected with the rear mounting frame and the rear spring seat; the rear end of the rear mounting frame is fixedly connected with the guide pipe, and the pipe orifice at the inner end of the guide pipe is opposite to the wire outlet guide ring.
Optionally, the tensioning and guiding mechanism comprises a guiding and guiding transverse plate, a door-shaped vertical frame, a longitudinal sliding rod, a tensioning pressing wheel, a wheel seat, a circular plate and a tensioning tension spring; two ends of the guide transverse plate are fixed at the left end and the right end of the frame; the top surface of the guide transverse plate is tangent to the upper roller surface of the fixed pressing roller; the door-shaped vertical frame is fixed on the guiding and conveying transverse plate, the middle part of the longitudinal sliding rod is in sliding fit with the middle part of the door-shaped vertical frame, the upper end and the lower end of the longitudinal sliding rod are respectively and fixedly connected with the circular plate and the wheel seat, the inner side of the wheel seat is in rotating fit with the tensioning pinch roller, the tensioning pinch roller is in rolling fit with the top surface of the guiding and conveying transverse plate, and the center of the wheel surface of the tensioning pinch roller is provided with an annular yarn guide groove; the tensioning tension spring is sleeved on the longitudinal sliding rod, and two ends of the tensioning tension spring are fixedly connected with the circular plate and the door-shaped vertical frame respectively.
The invention has the beneficial effects that:
according to the highly-controllable spheroidizing wire feeding equipment, the structure of the wire feeding roller mechanism in the equipment can be adjusted according to the size of a spheroidizing wire, so that the spheroidizing wire is more accurately guided and controlled by the movable compression roller and the fixed compression roller in the wire feeding process; the internal wire feeding driving mechanism can control the multiple wire feeding roller mechanisms to synchronously operate, and can control the wire feeding roller mechanisms to intermittently guide and convey the spheroidizing silk threads, so that the spheroidizing silk threads entering the molten metal can be conveniently and continuously guided after fully reacting with the molten metal, and the reaction effect of the spheroidizing silk threads and the molten metal is improved; the internal part of the invention is provided with the wire feeding guide mechanism, the wire discharging guide mechanism and the tensioning guide mechanism, thus improving the stability of the spheroidizing silk wire guide.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first general schematic diagram provided in accordance with an embodiment of the present invention;
FIG. 2 is a second overall view provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of a wire feed drive mechanism provided by an embodiment of the present invention;
FIG. 4 is a schematic view of a friction wheel assembly provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a wire feed roller mechanism provided by an embodiment of the present invention;
FIG. 6 is a schematic view of a dancer frame provided in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of a wire feed guide mechanism provided in an embodiment of the present invention;
FIG. 8 is a schematic view of a wire exit guide mechanism provided in accordance with an embodiment of the present invention;
FIG. 9 is a schematic view of a tensioning and guiding mechanism provided by an embodiment of the present invention;
fig. 10 is a schematic view of a rack according to an embodiment of the present invention.
Icon: a wire feeding drive mechanism 1; a servo motor 101; a friction wheel assembly 102; the irregular friction wheel 102 a; a rotating slide tube 102 b; a stopper ring 102 c; a rotary shaft 102 d; a pedestal 102 e; a top pressure spring 102 f; a link frame 102 g; a transverse screw 102 h; a linked worm gear 102 i; a limit bracket 102 j; a friction link plate 103; a worm 104; side brackets 105; a wire feeding roller mechanism 2; a drive worm wheel 201; a transmission rotating shaft 202; a fixed rotating pipe 203; a bearing seat 204; a lower friction transmission wheel 205; a lower friction linkage wheel 206; a sliding rotating pipe 207; an upper friction drive pulley 208; an upper friction linkage wheel 209; a dancer frame 210; a movable bracket 210 a; a fixed cross frame 210 b; a guide vertical shaft 210 c; an adjusting screw 210 d; an adjustment wheel 210 e; a tension spring 210 f; a movable press roller 211; a stationary pressure roller 212; a wire feeding guide mechanism 3; a front mounting bracket 301; a front vertical bar 302; a wire feeding and guiding ring 303; a front compression spring 304; a front spring seat 305; a wire outlet guide mechanism 4; a rear mount 401; a rear vertical bar 402; a wire-out guide ring 403; a rear compression spring 404; a rear spring seat 405; a delivery pipe 406; a tensioning and guiding mechanism 5; a horizontal guiding plate 501; a door-shaped stand 502; a longitudinal slide bar 503; a tension pinch roller 504; a wheel seat 505; a circular plate 506; tension spring 507; a frame 6.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.
The invention is described in further detail below with reference to figures 1-10.
The first embodiment is as follows:
as shown in fig. 1-10, a high-controllability spheroidizing wire feeding device comprises a wire feeding driving mechanism 1, a wire feeding roller mechanism 2, a wire feeding guide mechanism 3, a wire discharging guide mechanism 4, a tensioning and guiding mechanism 5 and a frame 6, wherein a plurality of wire feeding roller mechanisms 2 are arranged from front to back, and the plurality of wire feeding roller mechanisms 2 are connected to the frame 6 side by side; a tensioning and guiding mechanism 5 is arranged between two adjacent wire feeding roller mechanisms 2, and two ends of the tensioning and guiding mechanism 5 are connected to a rack 6 in a matching manner; the wire feeding guide mechanism 3 is fixedly connected to the front end of the rack 6 and is positioned at the front ends of the wire feeding roller mechanisms 2; the wire outlet guide mechanism 4 is fixedly connected to the rear end of the rack 6 and is positioned at the rear ends of the wire feeding roller mechanisms 2; the wire feeding driving mechanism 1 is connected to the rack 6 in a matching mode, and the wire feeding driving mechanism 1 is connected with the wire feeding roller mechanisms 2 in a transmission mode.
According to the highly-controllable spheroidizing wire feeding equipment, when wire feeding is carried out, spheroidizing wires sequentially pass through the wire feeding guide mechanism 3, the wire feeding roller mechanisms 2 and the wire discharging guide mechanism 4 from front to back, after the wire feeding drive mechanism 1 is started, the wire feeding drive mechanism 1 controls the wire feeding roller mechanisms 2 in a transmission mode to guide and convey the spheroidizing wires from front to back, finally the spheroidizing wires are conveyed into a metal solution of a steel ladle through the wire discharging guide mechanism 4, and the metal solution is subjected to deep desulfurization and calcium treatment or fine adjustment of various treatments such as carbon and aluminum element content in steel through different spheroidizing wires; the wire feeding device adopts a plurality of wire feeding roller mechanisms 2 for synchronous guiding and conveying, the wire feeding is stable, the tensioning and guiding mechanism 5 is arranged between two adjacent wire feeding roller mechanisms 2, and the wire feeding device is rolled on a spheroidizing wire through the tensioning and guiding mechanism 5, so that the probability of slipping and deviation of the spheroidizing wire can be reduced, and a better guiding and conveying effect is achieved.
The second embodiment is as follows:
as shown in fig. 1-10, the wire feeding roller mechanism 2 includes a transmission worm wheel 201, a transmission rotating shaft 202, a fixed rotating pipe 203, a bearing base 204, a lower friction transmission wheel 205, a lower friction linkage wheel 206, a sliding rotating pipe 207, an upper friction transmission wheel 208, an upper friction linkage wheel 209, an adjusting roller frame 210, a movable pressing roller 211 and a fixed pressing roller 212; the wire feeding driving mechanism 1 is in transmission connection with the transmission worm wheel 201; the transmission worm wheel 201 is fixed at the bottom end of the transmission rotating shaft 202; the lower end of the transmission rotating shaft 202 is fixed in the through hole of the fixed rotating pipe 203; the fixed rotating pipe 203 is rotationally matched on the bearing seat 204, and the bearing seat 204 is fixed on the frame 6; the lower friction transmission wheel 205 fixed on the fixed rotating pipe 203 is vertically connected with the lower friction linkage wheel 206 in a friction transmission manner, the lower friction linkage wheel 206 is fixed at one end of the fixed pressing roller 212, two ends of the fixed pressing roller 212 are in rotating fit with the left end and the right end of the rack 6, and the lower friction transmission wheel 205 is positioned below the axis of the lower friction linkage wheel 206; a sliding rotating pipe 207 which is rotationally matched on the adjusting roller frame 210 is in sliding fit with the upper end of the transmission rotating shaft 202, a longitudinal convex rib is arranged on the inner side of the sliding rotating pipe 207, and the longitudinal convex rib is in sliding fit with a longitudinal groove on the transmission rotating shaft 202; an upper friction driving wheel 208 fixed on the sliding rotating pipe 207 is vertically connected with the upper friction linkage wheel 209 in a friction driving way, and the upper friction driving wheel 208 is positioned above the axis of the upper friction linkage wheel 209; the upper friction linkage wheel 209 is fixed at one end of the movable pressing roller 211, and two ends of the movable pressing roller 211 are in sliding fit in upper and lower slideways at the left and right ends of the frame 6; the movable pressing roller 211 is rotatably connected to the adjusting roller frame 210, and the movable pressing roller 211 and the fixed pressing roller 212 are oppositely arranged.
The structure of the internal wire feeding roller mechanism 2 can be adjusted according to the size of the spheroidizing silk threads, the distance between the movable pressing roller 211 and the fixed pressing roller 212 can be adjusted by controlling the adjusting roller frame 210, the spheroidizing silk threads with different sizes can be clamped and conveyed more accurately and stably, and the stability of wire feeding is improved; and the adjustment between the movable press roll 211 and the fixed press roll 212 does not affect the transmission control of the wire feeding driving mechanism 1, the wire feeding driving mechanism 1 can drive the transmission worm wheel 201 to rotate after being started, the transmission worm wheel 201 can drive the transmission rotating shaft 202 to rotate when rotating, the transmission rotating shaft 202 can drive the fixed rotating pipe 203 and the sliding rotating pipe 207 to rotate when rotating, the lower friction transmission wheel 205 drives the lower friction linkage wheel 206 to rotate when the fixed rotating pipe 203 rotates, the upper friction linkage wheel 209 is driven to rotate by the upper friction transmission wheel 208 when the sliding rotating pipe 207 rotates, because the lower friction transmission wheel 205 is positioned below the axis of the lower friction linkage wheel 206 and the upper friction transmission wheel 208 is positioned above the axis of the upper friction linkage wheel 209, therefore, the lower friction linkage wheel 206 and the upper friction linkage wheel 209 rotate in different hour-hand directions, so as to drive the movable press roll 211 and the fixed press roll 212 to rotate in different hour-hand directions, and then the spheroidizing silk thread inserted between the movable pressing roller 211 and the fixed pressing roller 212 is clamped and guided by the matching of the movable pressing roller 211 and the fixed pressing roller 212, when the distance between the movable pressing roller 211 and the fixed pressing roller 212 is adjusted, the adjusting roller frame 210 drives the two ends of the movable pressing roller 211 to slide in the upper and lower slideways at the left and right ends of the rack 6 and drives the sliding rotating pipe 207 to slide on the transmission rotating shaft 202, the inner side of the sliding rotating pipe 207 is provided with a longitudinal convex edge, and the longitudinal convex edge is in sliding fit with a longitudinal groove on the transmission rotating shaft 202, so that the transmission rotating shaft 202 can drive the sliding rotating pipe 207 to rotate without influencing the sliding of the sliding rotating pipe 207 on the transmission rotating shaft 202.
The third concrete implementation mode:
as shown in fig. 1 to 10, the adjusting roller frame 210 includes a movable bracket 210a, a fixed cross frame 210b, a guide vertical shaft 210c, an adjusting screw 210d, and an adjusting wheel 210 e; the fixed cross frame 210b is fixed on the side surface of the frame 6; the top end of the vertical guide shaft 210c is fixed on the fixed cross frame 210b, and the movable bracket 210a is in sliding fit with the vertical guide shaft 210 c; the top end of the adjusting screw 210d is rotatably connected to the fixed cross frame 210b, the bottom end of the adjusting screw 210d is fixedly connected to an adjusting rotating wheel 210e, and the middle part of the adjusting screw 210d is in threaded transmission connection with the movable bracket 210 a; the movable pressing roller 211 and the sliding rotary pipe 207 are rotatably connected to the movable bracket 210 a. The adjusting roller frame 210 is used for limiting one end of the movable pressing roller 211 and controlling the distance between the movable pressing roller 211 and the fixed pressing roller 212, during adjustment, the adjusting rotating wheel 210e is rotated to drive the adjusting screw 210d to rotate, the contact position of the adjusting screw 210d and the movable bracket 210a is changed, and therefore the movable bracket 210a is driven to vertically slide on the guide vertical shaft 210c, the horizontal height of the movable pressing roller 211 is driven to be adjusted through the movable bracket 210a, and the sliding rotating pipe 207 is driven to slide on the transmission rotating shaft 202 through the movable bracket 210 a; the tension spring 210f may improve the stability of the movable bracket 210a after the relative movement, and finally improve the stability of the movable platen roller 211 after the movement.
A tension spring 210f is sleeved on the guide vertical shaft 210c, and two ends of the tension spring 210f are respectively and fixedly connected with the movable bracket 210a and the fixed cross frame 210 b.
The fourth concrete implementation mode:
as shown in fig. 1 to 10, the wire feeding driving mechanism 1 includes a servo motor 101 with a speed reducer, a friction wheel assembly 102, a friction linkage disc 103, a worm 104 and a side bracket 105; the servo motor 101 is fixed on the frame 6 through a motor support, and an output shaft of the servo motor 101 is in transmission connection with the friction wheel assembly 102; the friction wheel assembly 102 is in transmission connection with the friction linkage disc 103; the friction linkage disc 103 is fixed on the worm 104; the worm 104 is rotatably connected to the frame 6 through two side brackets 105; the worm 104 is in meshed transmission connection with the transmission worm wheel 201.
The internal wire feeding driving mechanism 1 can control the synchronous operation of the plurality of wire feeding roller mechanisms 3, the efficiency is higher, and the independent adjustment of the plurality of wire feeding roller mechanisms 3 is not influenced; the servo motor 101 can drive the friction wheel assembly 102 to move after being started, the friction wheel assembly 102 drives the friction linkage disc 103 to rotate around the axis of the friction wheel assembly 102 in a driving mode when moving, the friction linkage disc 103 can drive the worm 104 to rotate when rotating, and the worm 104 is meshed with the worm wheel 201 in a driving mode when rotating, so that the wire feeding roller mechanism 3 is controlled to work; the worm 104 and the worm wheel 201 are structurally arranged, so that a certain self-locking function is achieved, the movable pressing roller 211 and the fixed pressing roller 212 inside the wire feeding roller mechanism 3 are prevented from rotating under the action of external force, and the wire feeding guide accuracy is improved.
The fifth concrete implementation mode:
as shown in fig. 1-10, the friction wheel assembly 102 includes an irregular friction wheel 102a, a rotating slide tube 102b, a baffle ring 102c, a rotating shaft 102d, a bearing bracket 102e, a top pressure spring 102f, a linkage bracket 102g, a transverse screw 102h, a linkage worm wheel 102i and a limit bracket 102 j; the irregular friction wheel 102a is connected with the friction linkage disc 103 in an intermittent friction transmission manner and is positioned on the inner side of the axis of the friction linkage disc 103; the irregular friction wheel 102a is fixed in the middle of the rotating slide tube 102 b; the rotating slide tube 102b is in sliding fit with the rotating shaft 102d, a guide groove is arranged on the rotating shaft 102d, and the guide groove is in sliding fit with a guide convex rib in the rotating slide tube 102 b; one end of the rotating shaft 102d is in transmission connection with an output shaft of the servo motor 101 through a coupler, the other end of the rotating shaft 102d is rotatably connected to a bearing bracket 102e, and the bearing bracket 102e is fixed on the rack 6; the outer end of the rotating slide tube 102b is rotatably connected with a baffle ring 102c, and the baffle ring 102c and the bearing bracket 102e are fixedly connected through a top pressure spring 102f sleeved on the rotating shaft 102 d; one end of the linkage frame 102g is in sliding fit with the rotating shaft 102d and is blocked at the inner side of the rotating slide pipe 102 b; the other end of the linkage frame 102g is in threaded fit with the transverse screw 102h through an internal threaded hole; the inner end of the transverse screw rod 102h is rotatably connected to the limiting bracket 102j, and the outer end of the transverse screw rod 102h is connected with a linkage worm gear 102i in a matching manner; the worm 104 is in meshed transmission connection with a linkage worm wheel 102i so as to drive the transverse screw rod 102h to rotate through the linkage worm wheel 102 i; one end of the transverse screw 102h close to the bearing bracket 102e is a smooth cylindrical rod surface, and the cylindrical rod surface can be in sliding fit with the internal threaded hole of the linkage bracket 102 g. The friction wheel assembly 102 is arranged to control the wire feeding roller mechanism 3 to intermittently guide the spheroidized silk yarns; the rotating shaft 102d can be driven by the servo motor 101 to rotate, when the rotating shaft 102d rotates, the irregular friction wheel 102a is driven to rotate through the rotating sliding pipe 102b, when the irregular friction wheel 102a rotates to be in contact with the friction linkage disc 103, the friction linkage disc 103 rotates in vertical friction transmission mode, when the irregular friction wheel 102a rotates to be separated from the friction linkage disc 103, transmission is stopped, and therefore intermittent transmission is achieved; the interior of the friction wheel assembly 102 is also provided with the linkage worm wheel 102i, the linkage worm wheel 102i can rotate under the meshing transmission of the worm 104, the linkage worm gear 102i can drive the transverse screw 102h to rotate when rotating, the contact position of the transverse screw 102h and the linkage frame 102g can be changed when the transverse screw 102h rotates, so that the rotating slide tube 102b is driven by the link frame 102g to slide inward on the rotating shaft 102d in the process of guiding the spheroidizing filaments, so that the irregular friction wheel 102a gradually gets away from the axis of the friction link disk 103, therefore, the range that the irregular friction wheel 102a drives the friction linkage disc 103 to rotate when rotating for one circle is gradually reduced, the guide speed of the spheroidizing silk thread is gradually reduced, the spheroidizing silk thread entering the metal liquid is conveniently and fully reacted with the metal liquid, and then the spheroidizing silk thread is continuously guided, and the reaction effect of the spheroidizing silk thread and the metal liquid is improved.
The linkage worm gear 102i comprises a worm gear body, a regulation and control inserted rod and an inserted rod seat; the worm wheel body is rotatably connected to the outer end of the transverse screw 102h and is in meshing transmission connection with the worm 104; one end of the inserted bar seat is fixed at the outer end of the transverse screw 102h, and the other end of the inserted bar seat is in threaded fit connection with the middle part of the adjusting inserted bar; the inner end of the regulating inserted bar is inserted in the insertion hole of the worm wheel body. The worm wheel body in the linkage worm wheel 102i can rotate under the meshing transmission of the worm 104, and when the inner end of the regulation and control inserted rod is inserted in the insertion hole of the worm wheel body, the inner end of the regulation and control inserted rod can drive the transverse screw 102h to rotate, so that the wire feeding work with gradually reduced speed is realized; on the contrary, when the inner end of the regulating inserted bar is separated from the inserting hole of the worm wheel body, the constant-speed wire feeding work is kept, and the regulation is carried out according to the actual requirement.
The sixth specific implementation mode:
as shown in fig. 1 to 10, the wire feeding guide mechanism 3 includes a front mounting frame 301, a front vertical rod 302, a wire feeding guide ring 303, a front compression spring 304 and a front spring seat 305; a plurality of front sliding holes are arranged on the front mounting rack 301 side by side; the middle part of the front vertical rod 302 is in sliding fit with the inner side of a front sliding hole, the upper end and the lower end of the front vertical rod 302 are respectively and fixedly connected with the wire feeding guide ring 303 and the front spring seat 305, and the two ends of the front compression spring 304 sleeved on the front vertical rod 302 are respectively and fixedly connected with the front mounting frame 301 and the front spring seat 305. The wire feeding guide ring 303 is used for guiding and limiting the wire feeding end of the spheroidizing silk thread, and the inner ring surface of the wire feeding guide ring 303 is provided with a fillet, so that the abrasion to the spheroidizing silk thread is reduced, and the probability of wire breakage of the spheroidizing silk thread is reduced.
The wire outlet guide mechanism 4 comprises a rear mounting frame 401, a rear vertical rod 402, a wire outlet guide ring 403, a rear compression spring 404, a rear spring seat 405 and a guide pipe 406; a plurality of rear sliding holes are arranged on the rear mounting rack 401 side by side; the middle part of the rear vertical rod 402 is in sliding fit with the inner side of a rear sliding hole, the upper end and the lower end of the rear vertical rod 402 are respectively and fixedly connected with the wire outlet guide ring 403 and the rear spring seat 405, and the two ends of a rear compression spring 404 sleeved on the rear vertical rod 402 are respectively and fixedly connected with the rear mounting frame 401 and the rear spring seat 405; the rear end of the rear mounting frame 401 is fixedly connected with a guide pipe 406, and an inner end nozzle of the guide pipe 406 is arranged opposite to the wire outlet guide ring 403. The wire outlet guide ring 403 and the guide pipe 406 are used for guiding and limiting the wire outlet end of the spheroidizing silk thread, and the inner ring surface of the wire outlet guide ring 403 is chamfered with a round angle, so that the abrasion to the spheroidizing silk thread is reduced, and the probability of thread breakage of the spheroidizing silk thread is reduced.
The seventh embodiment:
as shown in fig. 1-10, the tensioning and guiding mechanism 5 includes a guiding and guiding transverse plate 501, a door-shaped vertical frame 502, a longitudinal sliding rod 503, a tensioning pressing wheel 504, a wheel seat 505, a circular plate 506 and a tensioning tension spring 507; two ends of the horizontal guiding plate 501 are fixed at the left end and the right end of the frame 6; the top surface of the horizontal guiding plate 501 is tangent to the upper roll surface of the fixed press roll 212; the door-shaped vertical frame 502 is fixed on the guiding and conveying transverse plate 501, the middle part of the longitudinal sliding rod 503 is in sliding fit with the middle part of the door-shaped vertical frame 502, the upper end and the lower end of the longitudinal sliding rod 503 are respectively and fixedly connected with the circular plate 506 and the wheel seat 505, the inner side of the wheel seat 505 is in rotating fit with the tensioning pinch roller 504, the tensioning pinch roller 504 is in rolling fit on the top surface of the guiding and conveying transverse plate 501, and the center of the wheel surface of the tensioning pinch roller 504 is provided with an annular thread guide groove; the tension spring 507 is sleeved on the longitudinal sliding rod 503, and two ends of the tension spring 507 are respectively fixedly connected with the circular plate 506 and the door-shaped vertical frame 502. The top surface of the transverse guiding plate 501 in the tensioning guiding and feeding mechanism 5 is tangent to the upper roll surface of the fixed compression roll 212, and is used for supporting and guiding the spheroidizing silk threads, so that the spheroidizing silk threads are stable as much as possible, the tensioning compression wheel 504 can keep the rolling pressure on the spheroidizing silk threads under the elastic action of the tensioning tension spring 507, the top of the spheroidizing silk threads is limited, and the stability of feeding the spheroidizing silk threads is improved.
The principle is as follows: according to the highly-controllable spheroidizing wire feeding equipment, when wire feeding is carried out, spheroidizing wires sequentially pass through the wire feeding guide mechanism 3, the wire feeding roller mechanisms 2 and the wire discharging guide mechanism 4 from front to back, after the wire feeding drive mechanism 1 is started, the wire feeding drive mechanism 1 controls the wire feeding roller mechanisms 2 in a transmission mode to guide and convey the spheroidizing wires from front to back, finally the spheroidizing wires are conveyed into a metal solution of a steel ladle through the wire discharging guide mechanism 4, and the metal solution is subjected to deep desulfurization and calcium treatment or fine adjustment of various treatments such as carbon and aluminum element content in steel through different spheroidizing wires; the wire feeding device adopts a plurality of wire feeding roller mechanisms 2 for synchronous guiding and conveying, the wire feeding is stable, the tensioning and guiding mechanism 5 is arranged between two adjacent wire feeding roller mechanisms 2, and the wire feeding device is rolled on a spheroidizing wire through the tensioning and guiding mechanism 5, so that the probability of slipping and deviation of the spheroidizing wire can be reduced, and a better guiding and conveying effect is achieved.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The utility model provides a high controllability balling wire feeding equipment, includes wire feeding actuating mechanism (1), wire feeding roller mechanism (2), advances a guiding mechanism (3), goes out a guiding mechanism (4), tensioning and leads and send mechanism (5) and frame (6), its characterized in that: a plurality of wire feeding roller mechanisms (2) are arranged from front to back, and the plurality of wire feeding roller mechanisms (2) are connected to the rack (6) side by side; a tensioning and guiding mechanism (5) is arranged between every two adjacent wire feeding roller mechanisms (2), and two ends of the tensioning and guiding mechanism (5) are connected to the rack (6) in a matched mode; the wire feeding guide mechanism (3) is fixedly connected to the front end of the rack (6) and is positioned at the front ends of the wire feeding roller mechanisms (2); the wire outlet guide mechanism (4) is fixedly connected to the rear end of the rack (6) and is positioned at the rear ends of the wire feeding roller mechanisms (2); the wire feeding driving mechanism (1) is connected to the rack (6) in a matching mode, and the wire feeding driving mechanism (1) is connected with the wire feeding roller mechanisms (2) in a transmission mode.
2. The high-controllability spheroidizing wire feeding equipment according to claim 1, wherein: the wire feeding roller mechanism (2) comprises a transmission worm wheel (201), a transmission rotating shaft (202), a fixed rotating pipe (203), a bearing seat (204), a lower friction transmission wheel (205), a lower friction linkage wheel (206), a sliding rotating pipe (207), an upper friction transmission wheel (208), an upper friction linkage wheel (209), an adjusting roller frame (210), a movable pressing roller (211) and a fixed pressing roller (212); the wire feeding driving mechanism (1) is in transmission connection with the transmission worm gear (201); the transmission worm wheel (201) is fixed at the bottom end of the transmission rotating shaft (202); the lower end of the transmission rotating shaft (202) is fixed in the through hole of the fixed rotating pipe (203); the fixed rotating pipe (203) is rotationally matched on the bearing seat (204), and the bearing seat (204) is fixed on the frame (6); the lower friction driving wheel (205) fixed on the fixed rotating pipe (203) is vertically in friction transmission connection with the lower friction linkage wheel (206), the lower friction linkage wheel (206) is fixed at one end of the fixed pressing roller (212), two ends of the fixed pressing roller (212) are in rotating fit with the left end and the right end of the rack (6), and the lower friction driving wheel (205) is located below the axis of the lower friction linkage wheel (206); the sliding rotating pipe (207) which is rotationally matched on the adjusting roller frame (210) is in sliding fit with the upper end of the transmission rotating shaft (202), the inner side of the sliding rotating pipe (207) is provided with a longitudinal convex edge, and the longitudinal convex edge is in sliding fit with a longitudinal groove on the transmission rotating shaft (202); an upper friction driving wheel (208) fixed on the sliding rotating pipe (207) is vertically connected with the upper friction linkage wheel (209) in a friction transmission manner, and the upper friction driving wheel (208) is positioned above the axis of the upper friction linkage wheel (209); the upper friction linkage wheel (209) is fixed at one end of the movable pressing roller (211), and two ends of the movable pressing roller (211) are in sliding fit with the upper and lower slideways at the left and right ends of the rack (6); the movable pressing roller (211) is rotatably connected to the adjusting roller frame (210), and the movable pressing roller (211) and the fixed pressing roller (212) are arranged oppositely.
3. The high-controllability spheroidizing wire feeding equipment according to claim 2, wherein: the adjusting roller frame (210) comprises a movable bracket (210a), a fixed transverse frame (210b), a guide vertical shaft (210c), an adjusting screw rod (210d) and an adjusting rotating wheel (210 e); the fixed transverse frame (210b) is fixed on the side surface of the rack (6); the top end of the guide vertical shaft (210c) is fixed on the fixed transverse frame (210b), and the movable bracket (210a) is in sliding fit with the guide vertical shaft (210 c); the top end of the adjusting screw rod (210d) is rotatably connected to the fixed cross frame (210b), the bottom end of the adjusting screw rod (210d) is fixedly connected with an adjusting rotating wheel (210e), and the middle part of the adjusting screw rod (210d) is in threaded transmission connection with the movable bracket (210 a); the movable pressing roller (211) and the sliding rotating pipe (207) are rotatably connected to the movable bracket (210 a).
4. The high-controllability spheroidizing wire feeding equipment according to claim 3, wherein: the guide vertical shaft (210c) is sleeved with a tensioning spring (210f), and two ends of the tensioning spring (210f) are respectively fixedly connected with the movable bracket (210a) and the fixed transverse frame (210 b).
5. The high-controllability spheroidizing wire feeding equipment according to claim 2, wherein: the wire feeding driving mechanism (1) comprises a servo motor (101) with a speed reducer, a friction wheel assembly (102), a friction linkage disc (103), a worm (104) and a side bracket (105); the servo motor (101) is fixed on the frame (6) through a motor support, and an output shaft of the servo motor (101) is in transmission connection with the friction wheel assembly (102); the friction wheel assembly (102) is in transmission connection with the friction linkage disc (103); the friction linkage disc (103) is fixed on the worm (104); the worm (104) is rotationally connected to the frame (6) through two side brackets (105); the worm (104) is in meshed transmission connection with the transmission worm wheel (201).
6. The high-controllability spheroidizing wire feeding equipment according to claim 5, wherein: the friction wheel assembly (102) comprises an irregular friction wheel (102a), a rotating sliding pipe (102b), a baffle ring (102c), a rotating shaft (102d), a bearing frame (102e), a top pressure spring (102f), a linkage frame (102g), a transverse screw (102h), a linkage worm wheel (102i) and a limiting bracket (102 j); the irregular friction wheel (102a) is in intermittent friction transmission connection with the friction linkage disc (103) and is positioned on the inner side of the axis of the friction linkage disc (103); the irregular friction wheel (102a) is fixed in the middle of the rotating sliding pipe (102 b); the rotating sliding pipe (102b) is in sliding fit with the rotating shaft (102d), a guide groove is formed in the rotating shaft (102d), and the guide groove is in sliding fit with a guide convex rib in the rotating sliding pipe (102 b); one end of the rotating shaft (102d) is in transmission connection with an output shaft of the servo motor (101) through a coupler, the other end of the rotating shaft (102d) is rotatably connected to a bearing bracket (102e), and the bearing bracket (102e) is fixed on the rack (6); the outer end of the rotating sliding pipe (102b) is rotatably connected with a baffle ring (102c), and the baffle ring (102c) is fixedly connected with a bearing frame (102e) through a jacking spring (102f) sleeved on a rotating shaft (102 d); one end of the linkage frame (102g) is in sliding fit with the rotating shaft (102d) and blocked at the inner side of the rotating sliding pipe (102 b); the other end of the linkage frame (102g) is in threaded fit on the transverse screw (102h) through an internal threaded hole; the inner end of the transverse screw rod (102h) is rotatably connected to the limiting bracket (102j), and the outer end of the transverse screw rod (102h) is connected with a linkage worm wheel (102i) in a matching manner; the worm (104) is in meshed transmission connection with a linkage worm wheel (102i) so as to drive the transverse screw rod (102h) to rotate through the linkage worm wheel (102 i); one end of the transverse screw rod (102h) close to the bearing bracket (102e) is a smooth cylindrical rod surface, and the cylindrical rod surface can be in sliding fit with an internal thread hole of the linkage bracket (102 g).
7. The high-controllability spheroidizing wire feeding equipment according to claim 6, wherein: the linkage worm wheel (102i) comprises a worm wheel body, a regulation and control inserted bar and an inserted bar seat; the worm wheel body is rotatably connected to the outer end of the transverse screw rod (102h) and is in meshed transmission connection with the worm (104); one end of the inserted bar seat is fixed at the outer end of the transverse screw (102h), and the other end of the inserted bar seat is in threaded fit connection with the middle part of the adjusting inserted bar; the inner end of the regulating inserted bar is inserted in the insertion hole of the worm wheel body.
8. The high-controllability spheroidizing wire feeding equipment according to claim 7, wherein: the wire feeding guide mechanism (3) comprises a front mounting rack (301), a front vertical rod (302), a wire feeding guide ring (303), a front compression spring (304) and a front spring seat (305); a plurality of front sliding holes are arranged on the front mounting rack (301) side by side; the middle of the front vertical rod (302) is in sliding fit with the inner side of a front sliding hole, the upper end and the lower end of the front vertical rod (302) are respectively fixedly connected with the wire feeding guide ring (303) and the front spring seat (305), and the two ends of the front compression spring (304) sleeved on the front vertical rod (302) are respectively fixedly connected with the front mounting frame (301) and the front spring seat (305).
9. The high-controllability spheroidizing wire feeding equipment according to claim 8, wherein: the wire outlet guide mechanism (4) comprises a rear mounting frame (401), a rear vertical rod (402), a wire outlet guide ring (403), a rear compression spring (404), a rear spring seat (405) and a guide pipe (406); a plurality of rear sliding holes are arranged on the rear mounting rack (401) side by side; the middle part of the rear vertical rod (402) is in sliding fit with the inner side of a rear sliding hole, the upper end and the lower end of the rear vertical rod (402) are respectively and fixedly connected with the wire outlet guide ring (403) and the rear spring seat (405), and the two ends of a rear compression spring (404) sleeved on the rear vertical rod (402) are respectively and fixedly connected with the rear mounting frame (401) and the rear spring seat (405); the rear end of the rear mounting frame (401) is fixedly connected with a guide pipe (406), and an inner end pipe orifice of the guide pipe (406) is arranged opposite to the wire outlet guide ring (403).
10. The high-controllability spheroidizing wire feeding equipment according to claim 9, wherein: the tensioning and guiding mechanism (5) comprises a guiding and guiding transverse plate (501), a door-shaped vertical frame (502), a longitudinal sliding rod (503), a tensioning pressing wheel (504), a wheel seat (505), a circular plate (506) and a tensioning tension spring (507); two ends of the transverse guiding and conveying plate (501) are fixed at the left end and the right end of the rack (6); the top surface of the horizontal guiding plate (501) is tangent to the upper roll surface of the fixed press roll (212); the door-shaped vertical frame (502) is fixed on the transverse guiding and conveying plate (501), the middle part of a longitudinal sliding rod (503) is in sliding fit with the middle part of the door-shaped vertical frame (502), the upper end and the lower end of the longitudinal sliding rod (503) are respectively fixedly connected with the circular plate (506) and the wheel seat (505), the inner side of the wheel seat (505) is in rotating fit with a tension pinch roller (504), the tension pinch roller (504) is in rolling fit with the top surface of the transverse guiding and conveying plate (501), and the center of the wheel surface of the tension pinch roller (504) is provided with an annular wire guide groove; the tensioning tension spring (507) is sleeved on the longitudinal sliding rod (503), and two ends of the tensioning tension spring (507) are respectively fixedly connected with the circular plate (506) and the door-shaped vertical frame (502).
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| CN202110284292.6A CN113042694B (en) | 2021-03-17 | 2021-03-17 | High-controllability spheroidizing wire feeding equipment |
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