Superfine metal wire pay-off device

Abstract

The invention relates to the technical field of superfine metal wire pay-off, in particular to a superfine metal wire pay-off device which comprises a base and guide rings symmetrically and fixedly connected to the base, an electric rotating frame is installed between the guide rings, a guide frame is fixedly connected to the electric rotating frame in the circumferential direction, and a wire twisting disc is fixedly connected to the guide frame in the circumferential direction. A metal wire is limited on an electric roller through a limiting roller, the head end of the metal wire is pulled to bypass a guide wheel and a wire guide wheel and penetrate through a hole of a wire stranding disc, and therefore when the metal wire is paid off, the metal wire moves forwards and backwards to drive the guide wheel to move forwards and backwards, and through arrangement of buttons on the front side and the rear side, an electric lead screw can be controlled to rotate forwards and backwards alternately; and the guide wheels can follow and guide the metal wires in the paying-off process, excessive friction is avoided, and therefore the paying-off safety of the metal wires is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of superfine wire pay-off, and particularly relates to a superfine wire pay-off device. BACKGROUND

[0002] In the field of metal products and wire and cable manufacturing, the application of superfine wire is increasingly widespread, especially in the production of high-end wire and cable, superfine wire plays an irreplaceable role as a conductor or reinforcing material. However, due to the characteristics of superfine wire, such as extremely small diameter, high strength and easy damage, the pay-off process brings great challenges.

[0003] A superfine wire pay-off device is disclosed in Chinese Patent No. CN207690569U, which comprises a base plate, a pay-off shaft, a spool and a tension adjusting device. The pay-off shaft is fixedly installed on the base plate. The spool is provided with a turntable, and the turntable is installed on the pay-off shaft. The outer circumference of the turntable is provided with an electroplated mirror surface ring. The lower end of the spool is installed on the turntable, and the upper end is installed on the upper end of the pay-off shaft. The tension adjusting device comprises a rotating plate, a guide column, a brake disc and a tension adjusting spring. The rotating plate is rotatably installed on the base plate through a second bearing and is close to the side edge of the turntable. The brake disc and the guide column are installed on the rotating plate. The brake disc is provided with a felt, and the brake disc is abutted on the electroplated mirror surface ring through the felt. Although the above-mentioned patent can perform pay-off processing on the metal wire, the metal wire is usually arranged in a back-and-forth reciprocating manner when winding. During the pay-off process, the metal wire slides longitudinally along the surface of the guide column to form a cross-friction track, which easily causes scratches and abrasions on the surface of the metal wire. In severe cases, it can easily cause the phenomenon of breakage, affecting the safety of the metal wire pay-off.

[0004] The present application aims to solve the problems existing in the above-mentioned patent. Therefore, a superfine wire pay-off device is provided, which can follow the guidance of the metal wire during pay-off, prevent excessive friction, and improve the safety of the metal wire pay-off. SUMMARY

[0005] In order to overcome the shortcomings that the metal wire is usually arranged in a back-and-forth reciprocating manner when winding, and during the pay-off process, the metal wire slides longitudinally along the surface of the guide column to form a cross-friction track, which easily causes scratches and abrasions on the surface of the metal wire. In severe cases, it can easily cause the phenomenon of breakage, affecting the safety of the metal wire pay-off, the present application provides a superfine wire pay-off device which can follow the guidance of the metal wire during pay-off, prevent excessive friction, and improve the safety of the metal wire pay-off.

[0006] The present application is implemented through the following technical solutions:

[0007] The utility model provides an ultra -fine wire pay -off device, including base 1 and install two guide rings 2 on base 1, install electric rotary frame 3 between guide rings 2, and the circumferential fixed connection of guide frame 4 is along to electric rotary frame 3, and the circumferential fixed connection of wire reel 5 is along to guide frame 4, and the circumferential even interval of wire reel 5 installs wire wheel 6, and the circumferential even interval of electric rotary frame 3 is rotatably connected with back type board 7, it is characterized by, still including the placement subassembly of setting on back type board 7, for the placement of the wire that winds, the fixed connection of u type board 9 is along to back type board 7, the sliding connection of sliding plate 10 is along to u type board 9 inner side, and the buffer spring 11 is connected between sliding plate 10 and u type board 9, and the pressure sensor 13 of contact with sliding plate 10 bottom is installed in u type board 9 inner side, and electric roller 8 is electrically connected with pressure sensor 13, and the sliding connection of sliding seat 12 is along to sliding plate 10, and the rotatable connection of guide wheel 15 is through spline shaft sleeve and is rotatably connected in sliding seat 12 inner side, for the guidance of wire, and the trigger subassembly of setting up between guide wheel 15 and sliding seat 12, trigger subassembly is used to drive electric screw rod 14 rotation, and electric screw rod 14 rotation moves guide wheel 15 through sliding seat 12, to make guide wheel 15 can follow the guidance of wire pay -off position, and the protection subassembly of setting up between guide wheel 15 and guide frame 4, for the protection of wire pay -off.

[0008] The utility model has the advantages of:

[0009] 1, by the location of wire reel wire is limited on electric roller, pull the wire head end around the guide wheel and wire wheel and pass through the hole of wire reel, and then wire moves back and forth when pay -off, and the guide wheel moves back and forth by wire, by the setting of front and back two side buttons, can control electric screw rod positive and negative alternation rotation, can make the guide wheel follow the wire in pay -off and guide, and place produces excessive friction, thereby improves the security of wire pay -off.

[0010] 2, under the action of porous rubber ring, air can be sprayed to form air film, air film drives wire to move and separates from the contact of porous rubber ring, prevents wire from abrasive wear caused by violent friction with porous rubber ring, to ensure the integrity of wire.

[0011] 3, under the action of reed, the convex of further fixed wire can be moved outward, can prevent wire from slipping on electric roller and affect pay -off, to improve the pay -off effect of wire. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0013] Figure 2 It is the three-dimensional structure schematic diagram of electric rotary frame and back type board of the utility model.

[0014] Figure 3 The perspective view of the placing assembly of the present application.

[0015] Figure 4 The perspective view of the sliding seat and the guide wheel of the present application.

[0016] Figure 5 The perspective view of the triggering assembly of the present application.

[0017] Figure 6 The separated view of the sliding seat and the guide wheel of the present application.

[0018] Figure 7 The perspective view of the protecting assembly of the present application.

[0019] Figure 8 The perspective view of the guide rod and the porous rubber ring of the present application.

[0020] Figure 9 The separated view of the guide wheel, the annular tube and the porous rubber ring of the present application.

[0021] Figure 10 The perspective view of the reinforcing assembly of the present application.

[0022] Figure 11 The perspective view of the circular tube and the connecting rod of the present application.

[0023] Figure 12 The perspective view of the detecting assembly of the present application.

[0024] Figure 13 The perspective view of the torsion spring of the present application.

[0025] In the above drawings: 1: base, 2: guide ring, 3: electric rotating frame, 4: guide frame, 5: wire reel, 6: wire wheel, 7: back type plate, 8: electric roller, 81: limiting roller, 82: screw rod, 9: u type plate, 10: sliding plate, 11: buffer spring, 12: sliding seat, 13: pressure sensor, 14: electric lead screw, 15: guide wheel, 16: fixed ring I, 161: fixed ring II, 162: connecting spring, 163: button, 164: telescopic plate, 17: support, 171: air pump, 172: air guide pipe, 173: guide rod, 174: annular tube, 175: porous rubber ring, 18: reed, 181: contact ring, 182: return spring, 183: circular tube, 184: connecting rod, 19: fixed block, 191: contact plate, 192: mounting frame, 193: warning light, 194: torsion spring, 195: angle sensor. DETAILED DESCRIPTION

[0026] The present invention will be further described below with reference to specific embodiments. The illustrative embodiments and descriptions of the present invention are used to explain the present invention but are not intended to limit the present invention.

[0027] like Figures 1-9 As shown, an ultra-fine metal wire pay-off device comprises a base 1 and two guide rings 2 mounted on the base 1, an electric rotating frame 3 is mounted between the guide rings 2, a guide frame 4 is fixedly connected to the electric rotating frame 3 along the circumferential direction, a winding drum 5 is fixedly connected to the guide frame 4 along the circumferential direction, a wire pulley 6 is installed on the winding drum 5 at uniform intervals along the circumferential direction, and a return plate 7 is connected to the electric rotating frame 3 for rotation at uniform intervals along the circumferential direction. It is characterized in that it also includes a placement component arranged on the return plate 7 for placing the wound metal wire, a U-shaped plate 9 is fixedly connected to the return plate 7, a slide plate 10 is slidably connected to the inner side of the U-shaped plate 9, and a buffer spring 11 is connected between the slide plate 10 and the U-shaped plate 9. A pressure sensor 13 in contact with the bottom of the skateboard 10 is installed on the inner side of the U-shaped plate 9. The pressure sensor 13 is electrically connected to the electric roller 8. A sliding seat 12 is slidably connected to the skateboard 10. The inner side of the sliding seat 12 is rotatably connected to a guide wheel 15 through a spline shaft sleeve for guiding the metal wire. A trigger component is provided between the guide wheel 15 and the sliding seat 12. The trigger component is used to drive the electric screw 14 to rotate. The electric screw 14 rotates and drives the guide wheel 15 to move through the sliding seat 12, so that the guide wheel 15 can follow and guide the wire pay-off position. A protection component is provided between the guide wheel 15 and the guide frame 4 for protecting the wire pay-off.

[0028] like Figure 3 As shown, the placement component includes a motorized roller 8, a limiting roller 81 and a screw 82. The bottom side of the return plate 7 is rotatably connected to the motorized roller 8, and the motorized roller 8 can place a roll of metal wire. The inner side of the motorized roller 8 is slidably connected to the limiting roller 81, and the limiting roller 81 can limit the placed metal wire to prevent the metal wire from falling from the motorized roller 8. The middle part of the limiting roller 81 is rotatably connected with a screw 82, and the thread of the screw 82 is threadedly connected to the inner side of the motorized roller 8.

[0029] like Figure 5 and Figure 6 As shown, the trigger assembly includes a fixing ring I16, a fixing ring II161, a connecting spring 162, a button 163 and a telescopic plate 164. Both sides of the guide wheel 15 are connected to the fixing ring II161 for circumferential rotation. Both sides of the sliding seat 12 are connected to the fixing ring I16 for circumferential rotation. Telescopic plates 164 are fixedly connected between the corresponding fixing ring I16 and the fixing ring II161 at uniform intervals along the circumference. A connecting spring 162 is connected between the corresponding fixing ring I16 and the fixing ring II161. A button 163 is installed on the side of the two fixing rings I16 facing the fixing ring II161. The button 163 is electrically connected to the electric screw 14 through the control module.

[0030] As shown in Figures 7-9 The protection assembly includes the support 17, the air supply assembly, the guide rod 173, the annular pipe 174 and the porous rubber ring 175. The porous rubber ring 175 is fixedly sleeved on the outer side of the guide wheel 15 in a circumferential direction. The inner side of the porous rubber ring 175 is hollow. The porous rubber ring 175 can spray air to form an air film to protect the metal wire. Four guide rods 173 are slidingly and uniformly spaced in a circumferential direction on the sliding seat 12. The annular pipe 174 is fixedly connected between the end portions of the four guide rods 173. The annular pipe 174 is rotatably sleeved on the front side of the porous rubber ring 175. The annular pipe 174 is in communication with the porous rubber ring 175. Six supports 17 are fixedly connected to the left side of the wire reel 5 in a circumferential direction. The air supply assembly is arranged between the support 17 and the electric rotating frame 3. When the air supply assembly operates, the air supply assembly can discharge air into the annular pipe 174. The air supply assembly includes the air pump 171 and the air guide pipe 172. Six air pumps 171 are fixedly connected to the inner side of the electric rotating frame 3 in a circumferential direction. The air outlet end of the air pump 171 is connected with the air guide pipe 172. The outer side of the air guide pipe 172 is fixedly connected with the support 17. The air outlet end of the air guide pipe 172 is fixedly connected with the annular pipe 174.

[0031] First, the operator twists the bolt to loosen the back plate 7, pulls the back plate 7 to swing outward to open, the back plate 7 swings outward to drive the electric roller 8 to swing outward, the electric roller 8 drives the limiting roller 81 to swing outward to the outside of the electric rotating frame 3, then twists the screw rod 82 to reverse, the screw rod 82 reverses to move forward through the thread to drive the limiting roller 81 to move forward, the limiting roller 81 moves forward to disengage from the electric roller 8, when the screw rod 82 moves forward to disengage from the electric roller 8, stop twisting the screw rod 82, put a roll of wire needed to make the cable on the electric roller 8, then insert the limiting roller 81 back to the electric roller 8, twist the screw rod 82 to forward again to move inward through the thread, the screw rod 82 moves inward to drive the limiting roller 81 to move inward, the limiting roller 81 moves inward to contact the front side of the wire, the limiting roller 81 cooperates with the electric roller 8 to clamp and fix the wire, then pull the back plate 7 to swing inward to reset, the back plate 7 swings inward to reset through the electric roller 8 and the limiting roller 81 to drive the wire to swing inward to the electric rotating frame 3, then fix the back plate 7 on the electric rotating frame 3 with a bolt, then pull the wire head end around the guide wheel 15 and the wire guide wheel 6, the wire contacts the multi-hole rubber ring 175 on the guide wheel 15, then makes the wire head end pass through the hole of the twisting reel 5, so repeat, another five rolls of wire can be limited by the limiting roller 81 on the electric roller 8, and the wire head end can pass through the guide wheel 15 and the wire guide wheel 6, and pass through the hole of the twisting reel 5, then fix the six wire head ends on the winding machine, start the air pump 171, the air pump 171 discharges air into the air guide pipe 172, the air in the air guide pipe 172 is discharged into the annular pipe 174, the air in the annular pipe 174 is discharged into the multi-hole rubber ring 175, the multi-hole rubber ring 175 sprays air to form an air film, the formed air film pushes the wire to move away from the multi-hole rubber ring 175, then start the electric rotating frame 3 to rotate, the electric rotating frame 3 drives the guide frame 4 to rotate, the guide frame 4 drives the twisting reel 5 to rotate, the twisting reel 5 rotates to twist the six wires together to form a cable conductor, at the same time, the electric rotating frame 3 rotates also drives the back plate 7 to rotate, the back plate 7 drives the six rolls of wire to rotate through the electric roller 8 and the limiting roller 81, at the same time, start the electric roller 8 to rotate, the electric roller 8 rotates to drive the wire to rotate to pay off, at this time, start the winding machine to rotate to drive the wire to move right continuously to be twisted by the twisting reel 5, when the wire is paying off, the wire presses the guide wheel 15 through the multi-hole rubber ring 175, the guide wheel 15 presses the sliding plate 10 through the sliding seat 12, the buffer spring 11 is compressed, the sliding plate 10 presses the pressure sensor 13, the pressure sensor 13 detects the tension of the wire paying off, when the wire paying off tension is less than the set value, the pressure sensor 13 controls the speed of the electric roller 8 to decrease through the control module, so that the wire paying off speed decreases, the paying off speed is less than the winding speed, so that the wire is tightened again, so that the wire tension reaches the set value, otherwise, when the wire tension is too large,The pressure sensor 13 controls the rotation speed of the electric roller 8 through the control module, and under the action of the air film formed by the air, the air film can guide the metal wire in the wire laying process to prevent the metal wire from being rubbed against the porous rubber ring 175 and causing wear, thereby ensuring the integrity of the metal wire. Since the metal wire is uniformly in a winding state, the metal wire will move forward and backward during the wire laying process. When the metal wire moves forward, the metal wire will drive the guide wheel 15 to move forward through the porous rubber ring 175, the guide wheel 15 drives the front fixed ring II 161 to move forward, the front connecting spring 162 is compressed, the front fixed ring II 161 drives the front telescopic plate 164 to shorten, and when the front fixed ring II 161 moves forward and contacts the front button 163, the front button 163 controls the electric screw rod 14 to rotate forward through the control module, the electric screw rod 14 drives the sliding seat 12 to move forward, the sliding seat 12 drives the front fixed ring I 161 to stretch and reset through the front fixed ring I 161, and then the front fixed ring I 161 drives the front fixed ring II 161 to move forward through the connecting spring 162, the front fixed ring II 161 drives the guide wheel 15 to move forward, and the guide wheel 15 moves forward with the metal wire, thereby guiding the metal wire during the wire laying process. Similarly, when the metal wire moves backward, the metal wire drives the guide wheel 15 to move backward through the porous rubber ring 175, so that the rear fixed ring II 161 presses the rear button 163, the button 163 controls the electric screw rod 14 to rotate reversely through the control module, the electric screw rod 14 drives the sliding seat 12 to move backward, and the guide wheel 15 moves backward with the metal wire, so as to repeatedly guide the metal wire during the wire laying process and prevent excessive friction, thereby improving the safety of the wire laying process. When the wire laying process is completed, the electric roller 8 is turned off, the electric roller 8 stops driving the limiting roller 81 to rotate, the electric rotating frame 3 is turned off, the electric rotating frame 3 stops driving the return plate 7 to rotate, the return plate 7 stops driving the electric roller 8 to move in a circular manner, and the air pump 171 is turned off, and the air stops being discharged into the porous rubber ring 175.

[0032] As Figure 10 and Figure 11As shown, the superfine wire pay-off device further comprises a reinforcing assembly installed between the motor roller 8 and the limiting roller 81, the reinforcing assembly comprises the spring leaf 18, a limiting assembly, a circular tube 183 and a connecting rod 184, five spring leaves 18 are uniformly and spaced apart in the circumferential direction and are slidably connected to the motor roller 8 and the limiting roller 81, when the spring leaf 18 is compressed and moves outward, the spring leaf 18 can reinforce the placed wire, the inner side of the motor roller 8 and the inner side of the limiting roller 81 are slidably connected with the circular tube 183, the outer side of the front and rear circular tubes 183 is respectively fixedly connected with one end of the front and rear spring leaves 18, the outer side of the front and rear circular tubes 183 away from each other is uniformly and spaced apart in the circumferential direction and is fixedly connected with the connecting rod 184, the front connecting rod 184 slidably penetrates the limiting roller 81, the rear connecting rod 184 slidably penetrates the motor roller 8, the motor roller 8 and the limiting roller 81 are both provided with the limiting assembly, when the limiting assembly operates, the limiting assembly can limit the connecting rod 184; the limiting assembly comprises the contact ring 181 and the return spring 182, the motor roller 8 and the limiting roller 81 are both slidably sleeved with the contact ring 181, the front and rear contact rings 181 are respectively fixedly connected with the outer end of the front and rear connecting rods 184, the front and rear contact rings 181 are respectively connected with the return spring 182 between the outer side of the motor roller 8 and the limiting roller 81.

[0033] When a roll of wire is sleeved on the motor roller 8, the wire is in contact with the rear contact ring 181, then the limiting roller 81 is inserted back into the motor roller 8, the twist screw 82 is turned in the positive direction to move inward through the thread to drive the limiting roller 81 to move inward, the limiting roller 81 moves inward to drive the front contact ring 181 to move inward through the reset spring 182, the front contact ring 181 moves inward to contact the wire, the front contact ring 181 pushes the wire to move backward, the wire moves backward to drive the rear contact ring 181 to move backward, the rear reset spring 182 is compressed, the rear contact plate 191 moves backward to drive the rear circular tube 183 to move backward through the connecting rod 184, the rear circular tube 183 moves backward to drive one end of the rear reed 18 to move backward, since the other end of the rear reed 18 is limited by the motor roller 8, the rear circular tube 183 extrudes the rear reed 18, so that the rear reed 18 is compressed to protrude outward to contact the inside of the winding drum with the wire, the rear reed 18 fixes the winding drum with the wire, so the wire is fixed, then the front contact ring 181 is limited by the fixed wire, the limiting roller 81 continues to move inward to compress the front reset spring 182, the front contact ring 181 is limited by the connecting rod 184 to limit the front circular tube 183, the front circular tube 183 limits one end of the front reed 18, at this time the limiting roller 81 continues to move inward to extrude the front reed 18, so that the front reed 18 protrudes outward to contact the inside of the winding drum with the wire, the front reed 18 also fixes the wire, the twist screw 82 is stopped, the limiting roller 81 stops moving inward, and the wire unwinding process can be started. When the wire is completely unwound, the twist screw 82 is reversed to move outward through the thread to drive the limiting roller 81 to move outward, the limiting roller 81 moves outward to first stop extruding the front reed 18, due to the elastic effect of the reed 18, the front reed 18 is stretched and reset, the front reed 18 stops fixing the wire, then the limiting roller 81 continues to move outward to drive the front contact ring 181 to move forward and reset through the front reset spring 182, the front contact ring 181 resets and is disengaged from the winding drum with the wire, due to the effect of the rear reset spring 182, the rear contact ring 181 moves forward and resets to drive the rear circular tube 183 to move forward and reset through the rear connecting rod 184, the rear circular tube 183 drives one end of the rear reed 18 to move forward and reset, so that the rear reed 18 is stretched and reset, the rear reed 18 stops fixing the winding drum with the wire, then the winding drum is removed. In this way, the wire can be prevented from slipping on the motor roller 8 to affect the unwinding, thereby improving the wire unwinding effect.

[0034] As Figure 12 and Figure 13As shown, the superfine wire pay-off device further comprises a detection assembly, the detection assembly comprising fixing blocks 19, contact plates 191, mounting frames 192, warning lights 193, torsion springs 194 and angle sensors 195, six fixing blocks 19 being fixedly connected to the left side of the electric rotating frame 3 in a circumferential direction, a contact plate 191 being rotatably connected to each fixing block 19, the contact plates 191 being located to the left side of the limiting roller 81, the torsion spring 194 being connected between each contact plate 191 and the corresponding fixing block 19, an angle sensor 195 being mounted on each fixing block 19, the angle sensors 195 corresponding to the contact plates 191, the angle sensors 195 being capable of detecting the swing angle of the contact plates 191, a mounting frame 192 being fixedly connected to the top front side of the base 1 in a transverse direction, six warning lights 193 being mounted in the mounting frame 192 in a circumferential direction, the six warning lights 193 being electrically connected to the six angle sensors 195 through a control module.

[0035] When it is needed to put a roll of wire on the electric roller 8, the contact plate 191 is first pulled to swing outward to a suitable position, the torsion spring 194 is compressed, then the wire is put on the electric roller 8, the contact plate 191 is released, due to the action of the torsion spring 194, the contact plate 191 swings inward to contact the wire, then the wire starts to rotate and pay off, the angle sensor 195 is started, as the wire is continuously paid off, the remaining wire amount becomes less and less, due to the action of the torsion spring 194, the contact plate 191 swings inward as the wire becomes less, the angle sensor 195 detects the swing angle of the contact plate 191, when the angle sensor 195 detects that the contact plate 191 swings to zero, the angle sensor 195 controls the corresponding warning light 193 to light up through the control module, which means that a roll of wire has been used up, the operator can know the wire amount by checking the lighting of the warning light 193, in this way, a new roll of wire can be replaced in time for pay-off processing, thereby improving work efficiency.

[0036] The above embodiments are only for illustrating the technical concept and characteristics of the present application, the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. An ultrafine metal wire pay-off device, comprising a base (1) and two guide rings (2) mounted on the base (1), an electric rotating frame (3) mounted between the guide rings (2), a guide frame (4) fixedly connected to the electric rotating frame (3) along the circumferential direction, a stranded wire drum (5) fixedly connected to the guide frame (4) along the circumferential direction, guide wheels (6) mounted on the stranded wire drum (5) at even intervals along the circumferential direction, and return plates (7) rotatably connected to the electric rotating frame (3) at even intervals along the circumferential direction, wherein the device is characterized in that: The invention also includes a placement component arranged on the return plate (7) for placing the wound metal wire, wherein a U-shaped plate (9) is fixedly connected to the return plate (7), a slide plate (10) is slidably connected to the inner side of the U-shaped plate (9), a buffer spring (11) is connected between the slide plate (10) and the U-shaped plate (9), a pressure sensor (13) in contact with the bottom of the slide plate (10) is installed on the inner side of the U-shaped plate (9), the pressure sensor (13) is electrically connected to the electric roller (8), a sliding seat (12) is slidably connected to the slide plate (10), and the sliding seat ( 12) The inner side is connected to a guide wheel (15) through a spline sleeve for guiding the metal wire. A trigger assembly is provided between the guide wheel (15) and the sliding seat (12). The trigger assembly is used to drive the electric screw (14) to rotate. The electric screw (14) rotates through the sliding seat (12) to drive the guide wheel (15) to move, so that the guide wheel (15) can follow the wire pay-off position. A protection assembly is provided between the guide wheel (15) and the guide frame (4) for protecting the wire pay-off.

2. The ultra-fine metal wire pay-off device according to claim 1, characterized in that: The placement component includes a motorized roller (8) rotatably connected to the bottom of the return plate (7) for placing a roll of metal wire. The inner side of the motorized roller (8) is slidably connected to a limiting roller (81) for limiting the placed metal wire. The limiting roller (81) is rotatably connected to a screw (82), and the thread of the screw (82) is threadedly connected to the inner side of the motorized roller (8).

3. The ultra-fine metal wire pay-off device according to claim 2, characterized in that: The trigger assembly includes a fixed ring II (161) rotatably connected to the circumference of both sides of the guide wheel (15), and a fixed ring I (16) is rotatably connected to both sides of the sliding seat (12) along the circumferential direction. A telescopic plate (164) is fixedly connected between the corresponding fixed ring I (16) and the fixed ring II (161) at uniform intervals along the circumferential direction. A connecting spring (162) is connected between the corresponding fixed ring I (16) and the fixed ring II (161). A button (163) is installed on the fixed ring I (16), and the button (163) is electrically connected to the electric screw (14) through a control module.

4. The ultra-fine metal wire pay-off device according to claim 3, characterized in that: The protection component includes a porous rubber ring (175) fixedly mounted on the outer side of the guide wheel (15) in a circumferential direction, the inner side of the porous rubber ring (175) is hollow and is used to eject air to form an air film to protect the metal wire; a guide rod (173) is slidably connected to the sliding seat (12) at uniform intervals along the circumference, an annular tube (174) is fixed between the ends of the guide rod (173), the annular tube (174) is rotatably mounted on the porous rubber ring (175), and the annular tube (174) is connected to the porous rubber ring (175); a bracket (17) is fixedly mounted on the wire drum (5) at uniform intervals along the circumference, and an air supply component is provided between the bracket (17) and the electric rotating frame (3) for discharging air into the annular tube (174).

5. The ultra-fine metal wire pay-off device according to claim 4, characterized in that: The air supply assembly includes air pumps (171) fixedly connected to the inner circumference of the electric rotating frame (3) at even intervals, the air outlet end of the air pump (171) is connected to an air guide pipe (172), the outer side surface of the air guide pipe (172) is fixedly connected to the bracket (17), and the air outlet end of the air guide pipe (172) is fixedly connected to the annular pipe (174).

6. The ultra-fine metal wire pay-off device according to claim 5, characterized in that: The invention also includes a reinforcement component, which includes spring plates (18) that are evenly spaced and slidably connected to the circumference of the electric roller (8) and the limiting roller (81), and is used to reinforce the placed metal wire. The inner side of the electric roller (8) and the inner side of the limiting roller (81) are both slidably connected to a round tube (183), the outer side of the round tube (183) is fixedly connected to one end of the spring plate (18), and the outer side of the round tube (183) is evenly spaced and fixedly connected to the circumference of the outer side of the round tube (183), one of the connecting rods (184) is slidably penetrated through the limiting roller (81), and the other connecting rod (184) is slidably penetrated through the electric roller (8), and a limiting component is provided on both the electric roller (8) and the limiting roller (81) for limiting the connecting rod (184).

7. The ultra-fine metal wire pay-off device according to claim 6, characterized in that: The limiting assembly comprises a contact ring (181) which is slidably mounted on the motorized roller (8) and the limiting roller (81); the contact ring (181) is fixedly connected to the end of the connecting rod (184); and a return spring (182) is connected between the contact ring (181) and the outer side surfaces of the motorized roller (8) and the limiting roller (81).

8. The ultra-fine metal wire pay-off device according to claim 7, characterized in that: The ultrafine metal wire pay-off device further comprises a detection assembly, which comprises a fixed block (19) fixed to the circumference of the electric rotating frame (3) at uniform intervals, a contact plate (191) located on the left side of the limiting roller (81) being rotatably connected to the fixed block (19), a torsion spring (194) being connected between the contact plate (191) and the fixed block (19), an angle sensor (195) corresponding to the contact plate (191) being mounted on the fixed block (19) for detecting the swing angle of the contact plate (191), a mounting frame (192) being fixed transversely to the base (1), warning lights (193) being mounted on the inner side of the mounting frame (192) at uniform intervals, and the warning lights (193) being electrically connected to the angle sensor (195) via a control module.

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