CN109273250B - Transformer framework winding device and process thereof - Google Patents
Transformer framework winding device and process thereof Download PDFInfo
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- CN109273250B CN109273250B CN201811264314.7A CN201811264314A CN109273250B CN 109273250 B CN109273250 B CN 109273250B CN 201811264314 A CN201811264314 A CN 201811264314A CN 109273250 B CN109273250 B CN 109273250B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/08—Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores
Abstract
The invention discloses a transformer framework winding device which comprises a hollow rotating shaft, wherein a rotary winding unit is arranged at the front end of the hollow rotating shaft and synchronously rotates along with the hollow rotating shaft; the transformer framework to be wound is synchronously arranged on the rotary winding unit; the invention has simple structure, realizes the quick assembly, disassembly and assembly of the transformer framework, and the gear and the toothed rod are meshed, and the toothed rod slides along the axial direction while doing meshing motion relative to the gear; and the threaded screw rod drives the ejector rod and the toothed rod to advance along the axis direction, so that the advancing and the contracting of the piston are controlled.
Description
Technical Field
The invention belongs to the field of transformers, and particularly relates to a transformer framework winding device and a transformer framework winding process.
Background
The transformer with the E-shaped iron core is a common power transformer, and the framework of the transformer has the phenomena of inconvenient assembly and disassembly and easy looseness in the process of winding coils.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a transformer framework winding device with a framework convenient to disassemble and assemble and a process thereof.
The technical scheme is as follows: in order to achieve the purpose, the transformer framework winding device comprises a hollow rotating shaft, wherein a rotary winding unit is mounted at the front end of the hollow rotating shaft and synchronously rotates along with the hollow rotating shaft; the transformer framework to be wound is synchronously arranged on the rotary winding unit;
a linear motor is further horizontally arranged on one side of the hollow rotating shaft, the extending direction of a linear push rod of the linear motor is parallel to the hollow rotating shaft, a vertical wire guide plate supporting column is integrally connected to the tail end of the linear push rod, a vertical wire guide plate is fixedly connected to the top end of the wire guide plate supporting column, and the surface where the wire guide plate is located is parallel to the axis of the hollow rotating shaft; the upper side of the plate surface of the lead guide plate is provided with a lead hole in a hollow manner, a coil lead can penetrate through the lead hole, and the height of the lead hole is higher than that of the upper end of the transformer framework to be wound; the wire guide holes synchronously move along with the linear push rod.
Further, a hollow channel is coaxially arranged in the hollow rotating shaft, the hollow channel is arranged in a through manner from front to back, an ejector rod with a circular section is further coaxially arranged in the hollow channel, the tail end of the ejector rod is integrally connected with a threaded screw rod with the same axis, the tail end of the threaded screw rod is also integrally connected with a toothed rod with the same axis, the axial section of the toothed rod is a gear profile surface, and circular limiting discs are further arranged at two ends of the toothed rod;
a screw rod seat is installed on a shell of the synchronous motor, the threaded screw rod is matched with a threaded hole in the screw rod seat, and the rotation of the threaded screw rod on the screw rod seat can drive the ejector rod to advance along the axis direction;
the equipment base is also provided with a gear motor, an output shaft of the gear motor is synchronously connected with a gear, the gear is meshed with the toothed rod, and the toothed rod can slide along the axial direction relative to the gear;
the device comprises a rotating shaft seat, a rotating shaft seat and a rotating shaft seat, wherein the rotating shaft seat is arranged on the device base; the hollow rotating shaft is rotatably arranged on the rotating shaft seat; the tail of the hollow rotating shaft is provided with a synchronizing wheel, the equipment base is further provided with a synchronous motor, an output shaft of the synchronous motor is in transmission connection with the synchronizing wheel through a synchronous belt transmission unit, and the synchronous motor can drive the hollow rotating shaft to rotate synchronously.
Further, the rotary winding unit comprises a limiting plate, and the central part of the limiting plate is vertically and fixedly connected with the front end of the hollow rotating shaft; the front side surface of the limiting plate is provided with two limiting bulges; a piston column is vertically and fixedly arranged on the front side of the limiting plate, and the piston column and the hollow rotating shaft are coaxially arranged; the piston channel is arranged in the piston column and is coaxially communicated with the front end of the hollow channel; a piston is movably arranged in the piston channel, the front end of the piston is coaxially connected with a pull rod, the tail end of the pull rod is vertically connected with a strip-shaped hard brace, the tail end of the pull rod is connected to the middle of the hard brace, and the hard brace is arranged in a vertical posture; a spring limiting ring is arranged in one end, close to the hard brace, of the piston channel, a relaxation force spring is further sleeved on the pull rod, and two ends of the relaxation force spring respectively press the piston and the spring limiting ring; the front end of the ejector rod is provided with a ball top, and the ball top at the front end of the ejector rod is used for jacking the piston.
Furthermore, the transformer framework to be wound comprises a framework cylinder with a rectangular cross section, and the outlines of two ends of the framework cylinder are respectively provided with a first framework side edge and a second framework side edge which are annular; two limiting process holes are arranged in the side edge of the first framework in a hollowed-out manner; the two limiting bulges correspond to the two limiting process holes on the side edge of the first framework; the outer side surface of the side edge of the first framework of the transformer framework to be wound is abutted against the front side surface of the limiting plate, and the two limiting bulges are limited in the two limiting process holes; the length of the hard brace is L, the longitudinal side length of the inner contour of the sleeve opening end part in the framework cylinder is D, the length of the diagonal line of the inner contour of the sleeve opening end part in the framework cylinder is S, and the condition that D is more than L and more than S is met; the transformer framework to be wound is clamped between the hard brace and the limiting plate;
a hollow guide pillar is vertically and fixedly arranged on the front side of the limiting plate and is positioned right above the piston pillar; a guide hole which is communicated with the front and the back is arranged in the hollow guide pillar; the hard brace is also vertically provided with a guide pillar, the guide pillar and the hollow guide pillar are coaxially arranged, and the tail end of the guide pillar coaxially extends into the guide hole.
Further, a process of the transformer framework winding device comprises the following steps:
the motor of the driving gear rotates in the positive direction, so that the gear drives the toothed rod to rotate along the axis, and the threaded screw rod is in a positive rotation state; the gear is meshed with the toothed rod, and the toothed rod slides along the axial direction while performing meshing motion relative to the gear; the threaded screw rod drives the ejector rod and the toothed rod to advance along the axis direction, so that the ball top at the tail end of the ejector rod pushes the piston to overcome the resilience force of the relaxation spring and move forwards, and further the distance between the hard brace and the limiting plate is increased to exceed the integral length of the transformer framework to be wound; adjusting the posture of the transformer framework to be wound to enable a diagonal line of an inner contour of the end part of the sleeve opening in the framework cylinder to be aligned with the hard brace, enabling the hard brace to smoothly pass through the sleeve opening in the framework cylinder due to the fact that the length S of the diagonal line is larger than the length L of the hard brace, enabling the transformer framework to be wound to be located between the hard brace and the limiting plate, continuing to adjust the posture of the transformer framework to be wound to enable a limiting process hole on the side edge of the first framework to be aligned with a limiting bulge on the limiting plate, enabling the two limiting bulges to be limited in the two limiting process holes, and enabling the hard brace and the longitudinal edge of the inner contour of the end part of the sleeve opening in the framework cylinder to be parallel in; at the moment, the gear motor is driven to rotate reversely again, so that the gear drives the toothed rod to rotate along the axis, and the threaded screw rod is in a reverse rotation state; the tooth-shaped rod slides along the axis direction while performing meshing motion relative to the gear, and then the threaded lead screw drives the ejector rod and the tooth-shaped rod to push backwards along the axis direction, so that the ball top at the tail end of the ejector rod performs backward contraction motion, the piston is released, and then the piston is pushed to perform backward motion under the action of the jacking thrust of the relaxation force spring, so that the hard brace gradually moves close to the limiting plate, because the longitudinal side length D of the hard brace is less than the length L of the hard brace, and the hard brace is always in a vertical posture by the matching of the hollow guide pillar and the guide pillar, when the hard brace moves to the position of the side edge of the second framework, the upper end and the lower end of the hard brace can contact with the upper part and the lower part of the outer side surface of the side edge of the second framework, so that the framework of the transformer to be wound is subjected to the pulling force of the hard brace, and the limiting plate is tightly attached to the side edge, therefore, the phenomenon that the framework of the transformer to be wound is damaged due to overlarge tension can not occur, and the tooling of the framework of the transformer to be wound is completed at the moment;
then starting the linear motor, further enabling the wire hole to be transversely moved to a position corresponding to the transformer framework to be wound, enabling the wire head of the coil wire to be wound to penetrate through the wire hole, and manually winding the coil wire penetrating through the wire hole for three to four turns on a framework cylinder of the transformer framework to be wound; then starting a synchronous belt motor to drive the limiting plate and the transformer framework to be wound to synchronously rotate; at the moment, automatic winding is started on the framework cylinder; meanwhile, the linear motor is driven, so that the wire hole slowly moves along the axial direction of the framework cylinder, the coil wound on the framework cylinder is in a spiral shape, and the winding uniformity is improved;
cutting off a thread end after the winding of the coil conducting wire on the framework cylinder is finished, driving the gear motor to rotate in the forward direction again, enabling the gear to drive the toothed rod to rotate along the axis, and further enabling the threaded screw rod to be in a forward rotation state; the gear is meshed with the toothed rod, and the toothed rod slides along the axial direction while performing meshing motion relative to the gear; and then the threaded screw rod drives the ejector rod and the toothed rod to advance along the axis direction, so that the ball top at the tail end of the ejector rod pushes the piston to overcome the resilience force of the relaxation force spring and move forwards, further the distance between the hard brace and the limiting plate is increased to exceed the whole length of the transformer framework to be wound, further the transformer framework to be wound of the wound coil is in a relaxed state, further the posture of the finished transformer framework to be wound is adjusted, the diagonal line of the inner contour of the end part of the sleeve opening in the framework cylinder is aligned with the hard brace, further the finished transformer framework to be wound is smoothly separated from the rotary winding unit, then the wire end of the wound coil on the framework cylinder penetrates out through the limiting process hole on the side edge of the first framework, and further the process of winding the coil of the transformer framework is completed.
Has the advantages that: the invention has simple structure, realizes the quick assembly, disassembly and assembly of the transformer framework, the gear is meshed with the toothed rod, and the toothed rod slides along the axial direction while doing meshing motion relative to the gear; and the threaded screw rod drives the ejector rod and the toothed rod to advance along the axis direction, so that the advancing and the contracting of the piston are controlled.
Drawings
FIG. 1 is a schematic view of a first structure of the overall apparatus of the present invention;
FIG. 2 is a second schematic diagram of the overall apparatus of the present invention;
FIG. 3 is a third structural view of the integrated equipment of the present invention;
FIG. 4 is a fourth structural diagram of the integrated apparatus of the present invention (with the transformer bobbin to be wound hidden);
FIG. 5 is a partial schematic view of the transmission portion of the present invention;
FIG. 6 is a partially cut-away schematic view of a rotating portion of the present invention;
FIG. 7 is a schematic diagram showing a state in which a bobbin of a transformer to be wound is separated from a winding unit of the bobbin of the transformer;
FIG. 8 is a schematic structural diagram of a bobbin winding unit of a transformer;
FIG. 9 is a schematic structural diagram of a transformer bobbin to be wound and a winding unit of the transformer bobbin in an assembled state;
FIG. 10 is an axial view of the alignment of the diagonal of the inner contour at the end of the bobbin of the transformer to be wound with the rigid braces;
FIG. 11 is a schematic diagram of a transformer bobbin structure;
fig. 12 is a schematic diagram of the transformer bobbin and the transformer core.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The transformer framework winding device shown in fig. 1 to 12 comprises a hollow rotating shaft 20, wherein a rotary winding unit is mounted at the front end of the hollow rotating shaft 20, and the rotary winding unit synchronously rotates along with the hollow rotating shaft 20; the transformer bobbin 26 to be wound is also included, and the transformer bobbin 26 to be wound is synchronously installed on the rotary winding unit;
a linear motor 83 is further horizontally arranged on one side of the hollow rotating shaft 20, the extending direction of a linear push rod 82 of the linear motor 83 is parallel to the hollow rotating shaft 20, the tail end of the linear push rod 82 is integrally connected with a vertical lead guide plate supporting column 81, the top end of the lead guide plate supporting column 81 is fixedly connected with a vertical lead guide plate 21, and the surface where the lead guide plate 21 is located is parallel to the axis of the hollow rotating shaft 20; the upper side of the plate surface of the lead guide plate 21 is provided with a lead hole 23 in a hollow manner, a coil lead 22 can penetrate through the lead hole 23, and the height of the lead hole 23 is higher than that of the upper end of the transformer framework 26 to be wound; the wire guides 23 are displaced synchronously with the linear push rod 82.
A hollow channel 85 is coaxially arranged in the hollow rotating shaft 20, the hollow channel 85 is arranged in a front-back through manner, a mandril 86 with a circular section is further coaxially arranged in the hollow channel 85, the tail end of the mandril 86 is integrally connected with a threaded screw rod 74 coaxially, the tail end of the threaded screw rod 74 is also integrally connected with a toothed rod 73 coaxially, the axial section of the toothed rod 73 is a gear profile surface, and circular limiting discs 72 are further arranged at two ends of the toothed rod 73;
a screw rod seat 75 is installed on a shell of the synchronous motor 78, the threaded screw rod 74 is matched with a threaded hole 117 on the screw rod seat 75, and the rotation of the threaded screw rod 74 on the screw rod seat 75 can drive the push rod 86 to advance along the axial direction;
the gear motor 71 is installed on the equipment base 27, the output shaft of the gear motor 71 is synchronously connected with a gear 84, the gear 84 is meshed with the toothed rod 73, and the toothed rod 73 can slide along the axial direction relative to the gear 84;
the device also comprises a device base 27, wherein the device base 27 is provided with a rotating shaft base 3; the hollow rotating shaft 20 is rotatably arranged on the rotating shaft seat 3; the tail of hollow rotating shaft 20 is provided with synchronizing wheel 77, still install synchronous motor 78 on the equipment base 27, synchronous motor 78's output shaft 79 pass through synchronous belt drive unit 76 with synchronizing wheel 77 transmission is connected, synchronous motor 78 can drive hollow rotating shaft 20 synchronous revolution.
The rotary winding unit comprises a limiting plate 5, and the central part of the limiting plate 5 is vertically and fixedly connected with the front end of the hollow rotating shaft 20; the front side surface of the limiting plate 5 is provided with two limiting bulges 19; a piston column 13 is vertically and fixedly arranged on the front side of the limiting plate 5, and the piston column 13 and the hollow rotating shaft 20 are coaxially arranged; the piston channel 16 is arranged in the piston column 13, and the piston channel 16 is coaxially communicated with the front end of the hollow channel 85; a piston 15 is movably arranged in the piston channel 16, the front end of the piston 15 is coaxially connected with a pull rod 8, the tail end of the pull rod 8 is vertically connected with a strip-shaped hard brace 11, the tail end of the pull rod 8 is connected to the middle part of the hard brace 11, and the hard brace 11 is arranged in a vertical posture; a spring limiting ring 17 is arranged inside one end of the piston channel 16 close to the hard brace 11, a relaxation force spring 7 is further sleeved on the pull rod 8, and two ends of the relaxation force spring 7 respectively press the piston 15 and the spring limiting ring 17; the front end of the ejector rod is provided with a ball top 187, and the ball top 187 at the front end of the ejector rod 86 presses the piston 15.
The transformer framework 26 to be wound comprises a framework cylinder 18 with a rectangular cross section, and the outlines of two ends of the framework cylinder 18 are respectively provided with a first framework side 05 and a second framework side 10 which are annular; two limiting process holes 25 are hollowed in the side edge 05 of the first framework; the two limiting bulges 19 correspond to the two limiting process holes 25 on the side edge 05 of the first framework; the outer side surface of the first framework side edge 05 of the transformer framework 26 to be wound is abutted against the front side surface of the limiting plate 5, and the two limiting bulges 19 are limited in the two limiting process holes 25; the length of the hard brace 11 is L, the longitudinal side length of the inner contour 35 of the sleeve opening end part in the framework barrel 18 is D, the diagonal length of the inner contour 35 of the sleeve opening end part in the framework barrel 18 is S, and the requirement that D is greater than L and is less than S is met; the transformer framework 26 to be wound is clamped between the hard brace 11 and the limiting plate 5;
a hollow guide pillar 33 is also vertically and fixedly arranged on the front side of the limiting plate 5, and the hollow guide pillar 33 is positioned right above the piston column 13; a guide hole 4 which is through from front to back is arranged in the hollow guide post 33; the hard brace 11 is also vertically provided with a guide post 9, the guide post 9 and the hollow guide post 33 are coaxially arranged, and the tail end of the guide post 9 coaxially extends into the guide hole 4.
The method, the process and the technical progress of the scheme are organized as follows:
the driving gear motor 71 runs forward, so that the gear 84 drives the toothed rod 73 to rotate along the axis, and the threaded screw rod 74 is in a forward rotation state; the gear 84 is meshed with the toothed rod 73, and the toothed rod 73 slides along the axial direction while performing meshing motion relative to the gear 84; the threaded screw rod 74 drives the ejector rod 86 and the toothed rod 73 to advance along the axial direction, so that the ball top 187 at the tail end of the ejector rod 86 pushes the piston 15 to overcome the resilience force of the relaxation spring 7 and move forwards, and further the distance between the hard brace 11 and the limiting plate 5 is increased to exceed the integral length of the transformer framework 26 to be wound; at the moment, the posture of the transformer framework 26 to be wound is adjusted, so that the diagonal line of the inner contour 35 at the end part of the sleeve opening in the framework cylinder 18 is aligned with the hard brace 11, and as the length S of the diagonal line is greater than the length L of the hard brace 11, the hard brace 11 smoothly passes through the sleeve opening in the framework cylinder 18, so that the transformer framework 26 to be wound is positioned between the hard brace 11 and the limiting plate 5, at the moment, the posture of the transformer framework 26 to be wound is continuously adjusted, so that the limiting process holes 25 on the side edge 05 of the first framework are aligned with the limiting bulges 19 on the limiting plate 5, and the two limiting bulges 19 are limited in the two limiting process holes 25, and in this state, the longitudinal sides of the hard brace 11 and the inner contour 35 at the end part of the sleeve opening in the framework cylinder; at this time, the gear motor 71 is driven again to rotate reversely, so that the gear 84 drives the toothed rod 73 to rotate along the axis, and the threaded screw rod 74 is in a reverse rotation state; the toothed rod 73 slides along the axial direction while performing meshing motion relative to the gear 84, and then the threaded lead screw 74 drives the ejector rod 86 and the toothed rod 73 to push backwards along the axial direction, so that the ball top 187 at the tail end of the ejector rod 86 performs backward contraction motion, the piston 15 is released, and then the piston 15 is pushed to perform backward motion under the action of the jacking thrust of the relaxation spring 7, so that the hard brace 11 gradually moves close to the limiting plate 5, because the longitudinal side length D of the hard brace is smaller than the length L of the hard brace 11, and the hard brace 11 is always in a vertical posture by the matching of the hollow guide pillar 33 and the guide pillar 9, when the hard brace 11 moves to the position of the second framework side 10, the upper end and the lower end of the hard brace 11 can contact the upper part and the lower part of the outer side surface of the second framework side 10, so that the framework 26 of the transformer to be wound is subjected to the tension of the hard brace 11, and the limiting plate 5 is, the pulling force of the hard brace 11 is from the resilience force of the relaxation force spring 7 instead of rigid pulling force, so that the phenomenon that the transformer framework 26 to be wound is damaged due to overlarge pulling force is avoided, and the tooling of the transformer framework 26 to be wound is completed;
then starting the linear motor 83, further transversely displacing the wire hole 23 to a position corresponding to the transformer bobbin 26 to be wound, enabling a wire end of the coil wire 22 to be wound to penetrate through the wire hole 23, and manually winding the coil wire 22 penetrating through the wire hole 23 for three to four turns on the bobbin 18 of the transformer bobbin 26 to be wound; then, starting a synchronous belt motor 78, and further driving the limiting plate 5 and the transformer framework 26 to be wound to synchronously rotate; at this time, the framework cylinder 18 starts to automatically wind; meanwhile, the linear motor 83 is driven, so that the wire guide hole 23 slowly moves along the axial direction of the framework cylinder 18, the coil wound on the framework cylinder 18 is in a spiral shape, and the winding uniformity is improved;
cutting off the thread end after the coil conducting wire 22 on the framework cylinder 18 is wound, and driving the driving gear motor 71 to rotate forward again to enable the gear 84 to drive the toothed rod 73 to rotate along the axis, so that the threaded screw rod 74 is in a forward rotation state; the gear 84 is meshed with the toothed rod 73, and the toothed rod 73 slides along the axial direction while performing meshing motion relative to the gear 84; and the screw thread lead screw 74 drives the mandril 86 and the toothed rod 73 to advance along the axial direction, so that the ball top 187 at the tail end of the mandril 86 pushes the piston 15 to overcome the resilience force of the relaxation spring 7 and move forwards, thereby increasing the distance between the hard brace 11 and the limit plate 5 to exceed the whole length of the transformer framework 26 to be wound, further leading the transformer framework 26 to be wound of the finished wound coil to be in a loose state, further adjusting the posture of the finished transformer framework 26 to be wound, leading the diagonal line of the inner contour 35 at the sleeve opening end part in the framework cylinder 18 to be aligned with the hard brace 11, thereby separating the completed transformer bobbin 26 to be wound from the rotary winding unit smoothly, then, the thread end of the coil wound on the framework cylinder 18 penetrates out of the limiting process hole 25 on the first framework side edge 05, and then the process of winding the coil of the transformer framework is completed.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (3)
1. The utility model provides a transformer skeleton winding device which characterized in that: the winding device comprises a hollow rotating shaft (20), wherein a rotary winding unit is mounted at the front end of the hollow rotating shaft (20), and the rotary winding unit synchronously rotates along with the hollow rotating shaft (20); the winding device also comprises a transformer framework (26) to be wound, wherein the transformer framework (26) to be wound is synchronously installed on the rotary winding unit;
a linear motor (83) is further horizontally arranged on one side of the hollow rotating shaft (20), the extending direction of a linear push rod (82) of the linear motor (83) is parallel to the hollow rotating shaft (20), the tail end of the linear push rod (82) is integrally connected with a vertical lead guide plate supporting column (81), the top end of the lead guide plate supporting column (81) is fixedly connected with a vertical lead guide plate (21), and the surface where the lead guide plate (21) is located is parallel to the axis of the hollow rotating shaft (20); the upper side of the plate surface of the lead guide plate (21) is provided with a lead hole (23) in a hollow manner, a coil lead (22) can penetrate through the lead hole (23), and the height of the lead hole (23) is higher than that of the upper end of the transformer framework (26) to be wound; the wire guide holes (23) synchronously move along with the linear push rods (82);
a hollow channel (85) is coaxially arranged in the hollow rotating shaft (20), the hollow channel (85) is arranged in a front-back through mode, a push rod (86) with a circular section is coaxially arranged in the hollow channel (85), the tail end of the push rod (86) is integrally connected with a threaded screw rod (74) coaxially, the tail end of the threaded screw rod (74) is also integrally connected with a toothed rod (73) coaxially, the axial section of the toothed rod (73) is a gear profile surface, and circular limiting discs (72) are arranged at two ends of the toothed rod (73);
a screw rod seat (75) is installed on a shell of the synchronous motor (78), the threaded screw rod (74) is matched with a threaded hole (117) in the screw rod seat (75), and the ejector rod (86) can be driven to advance along the axial direction by the rotation of the threaded screw rod (74) on the screw rod seat (75);
a gear motor (71) is installed on the equipment base (27), a gear (84) is synchronously connected with an output shaft of the gear motor (71), the gear (84) is meshed with the toothed rod (73), and the toothed rod (73) can slide along the axial direction relative to the gear (84);
the equipment base (27) is provided with a rotating shaft seat (3); the hollow rotating shaft (20) is rotatably arranged on the rotating shaft seat (3); a synchronizing wheel (77) is arranged at the tail part of the hollow rotating shaft (20), a synchronous motor (78) is further installed on the equipment base (27), an output shaft (79) of the synchronous motor (78) is in transmission connection with the synchronizing wheel (77) through a synchronous belt transmission unit (76), and the synchronous motor (78) can drive the hollow rotating shaft (20) to rotate synchronously;
the rotary winding unit comprises a limiting plate (5), and the central part of the limiting plate (5) is vertically and fixedly connected with the front end of the hollow rotating shaft (20); two limiting bulges (19) are arranged on the front side surface of the limiting plate (5); a piston column (13) is also vertically and fixedly arranged on the front side of the limiting plate (5), and the piston column (13) and the hollow rotating shaft (20) are coaxially arranged; the piston channel (16) is arranged inside the piston column (13), and the piston channel (16) is coaxially communicated with the front end of the hollow channel (85); a piston (15) is movably arranged in the piston channel (16), the front end of the piston (15) is coaxially connected with a pull rod (8), the tail end of the pull rod (8) is vertically connected with a strip-shaped hard brace (11), the tail end of the pull rod (8) is connected to the middle of the hard brace (11), and the hard brace (11) is arranged in a vertical posture; a spring limiting ring (17) is arranged inside one end, close to the hard brace (11), of the piston channel (16), a relaxation force spring (7) is further sleeved on the pull rod (8), and two ends of the relaxation force spring (7) respectively press the piston (15) and the spring limiting ring (17); the front end of the ejector rod is provided with a ball top (187), and the ball top (187) at the front end of the ejector rod (86) is used for jacking the piston (15).
2. The bobbin winding device of claim 1, wherein: the transformer framework (26) to be wound comprises a framework cylinder (18) with a rectangular cross section, and the outlines of two ends of the framework cylinder (18) are respectively provided with a first framework side edge (05) and a second framework side edge (10) which are annular; two limiting process holes (25) are hollowed in the side edge (05) of the first framework; the two limiting bulges (19) correspond to the two limiting process holes (25) on the side edge (05) of the first framework; the outer side surface of the first framework side edge (05) of the transformer framework (26) to be wound is abutted against the front side surface of the limiting plate (5), and the two limiting bulges (19) are limited in the two limiting process holes (25); the length of the hard brace (11) is L, the longitudinal side length of an inner contour (35) of the sleeve opening end part in the framework barrel (18) is D, the diagonal length of the inner contour (35) of the sleeve opening end part in the framework barrel (18) is S, and D & ltL & lt S is satisfied; the transformer framework (26) to be wound is clamped between the hard brace (11) and the limiting plate (5);
a hollow guide pillar (33) is also vertically and fixedly arranged on the front side of the limiting plate (5), and the hollow guide pillar (33) is positioned right above the piston pillar (13); a guide hole (4) which is through from front to back is arranged in the hollow guide post (33); the hard brace (11) is also vertically provided with a guide post (9), the guide post (9) and the hollow guide post (33) are coaxially arranged, and the tail end of the guide post (9) coaxially extends into the guide hole (4).
3. The process of the transformer bobbin winding device according to claim 2, wherein the process comprises the following steps:
the driving gear motor (71) runs positively, so that the gear (84) drives the toothed rod (73) to rotate along the axis, and the threaded screw rod (74) is in a positive rotation state; the gear (84) and the toothed rod (73) are meshed, and the toothed rod (73) slides along the axial direction while performing meshing motion relative to the gear (84); the threaded screw rod (74) drives the ejector rod (86) and the toothed rod (73) to advance forwards along the axis direction, so that the ball top (187) at the tail end of the ejector rod (86) pushes the piston (15) to overcome the resilience of the relaxation force spring (7) and move forwards, and further the distance between the hard brace (11) and the limiting plate (5) is increased to exceed the integral length of the transformer framework (26) to be wound; at the moment, the posture of the transformer framework (26) to be wound is adjusted, so that the diagonal line of the inner contour (35) at the sleeve opening end part in the framework cylinder (18) is aligned with the hard brace (11), because the length S of the diagonal line is greater than the length L of the hard brace (11), the hard brace (11) can smoothly pass through the sleeve opening in the framework cylinder (18), further, the transformer framework (26) to be wound is positioned between the hard brace (11) and the limiting plate (5), at the moment, the posture of the transformer framework (26) to be wound is continuously adjusted to enable the limiting process holes (25) on the side edge (05) of the first framework to align with the limiting bulges (19) on the limiting plate (5), and the two limiting bulges (19) are limited in the two limiting process holes (25), in this state, the hard brace (11) is parallel to the longitudinal edge of the inner contour (35) of the sleeve opening end part in the framework cylinder (18); at the moment, the gear motor (71) is driven to rotate reversely again, so that the gear (84) drives the toothed rod (73) to rotate along the axis, and the threaded screw rod (74) is in a reverse rotation state; the toothed rod (73) does meshing motion relative to the gear (84) and simultaneously slides along the axial direction, the threaded screw rod (74) drives the ejector rod (86) and the toothed rod (73) to push back along the axial direction, the ball top (187) at the tail end of the ejector rod (86) does backward contraction motion, the piston (15) is released, the piston (15) is pushed to do backward motion under the jacking thrust action of the relaxation spring (7), and the hard brace (11) gradually approaches to the limiting plate (5) to move, as the longitudinal side length D of the hard brace is smaller than the length L of the hard brace (11), and the hollow guide pillar (33) and the guide pillar (9) are matched to enable the hard brace (11) to be always in a vertical posture, when the hard brace (11) moves to the position of the second side frame (10), the upper end and the lower end of the hard brace (11) can contact with the upper part and the lower part of the outer side surface of the second side frame (10), further, the to-be-wound transformer framework (26) is under the tension of the hard brace (11), further, the limiting plate (5) is tightly attached to the side edge (05) of the first framework, and the tension of the hard brace (11) comes from the resilience force of the relaxation spring (7) rather than the rigid tension, so that the phenomenon that the to-be-wound transformer framework (26) is damaged due to overlarge tension is avoided, and the to-be-wound transformer framework (26) is assembled;
then starting a linear motor (83), further enabling a wire hole (23) to transversely displace to a position corresponding to a transformer bobbin (26) to be wound, enabling a wire end of a coil wire (22) to be wound to penetrate through the wire hole (23), and manually winding the coil wire (22) penetrating through the wire hole (23) for three to four turns on a bobbin (18) of the transformer bobbin (26) to be wound; then starting a synchronous belt motor (78) to drive the limiting plate (5) and the transformer framework (26) to be wound to synchronously rotate; at the moment, the framework cylinder (18) starts to automatically wind; meanwhile, the linear motor (83) is driven, so that the wire guide hole (23) moves slowly along the axial direction of the framework cylinder (18), the coil wound on the framework cylinder (18) is in a spiral shape, and the winding uniformity is improved;
cutting off the thread end after the coil conducting wire (22) on the framework cylinder (18) is wound, driving the gear motor (71) to rotate in the forward direction again, enabling the gear (84) to drive the toothed rod (73) to rotate along the axis, and further enabling the threaded screw rod (74) to be in a forward rotation state; the gear (84) and the toothed rod (73) are meshed, and the toothed rod (73) slides along the axial direction while performing meshing motion relative to the gear (84); further, the screw lead screw (74) drives the ejector rod (86) and the toothed rod (73) to advance forwards along the axial direction, further, the ball top (187) at the tail end of the ejector rod (86) pushes the piston (15) to overcome the resilience of the relaxation force spring (7) and move forwards, further, the distance between the hard brace (11) and the limiting plate (5) is increased to exceed the integral length of the transformer framework (26) to be wound, further, the transformer framework (26) to be wound with the wound coil is in a loose state, further, the posture of the completed transformer framework (26) to be wound is adjusted, the diagonal line of the inner contour (35) at the sleeve opening end in the framework cylinder (18) is aligned with the hard brace (11), further, the completed transformer framework (26) to be wound is smoothly separated from the rotary winding unit, then, the wire end of the wound coil on the framework cylinder (18) penetrates out through the upper limiting process hole (25) of the first side framework (05), thereby completing the process of winding the coil of the transformer framework.
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| CN110931245A (en) * | 2019-12-13 | 2020-03-27 | 陆林娣 | Winding process production device of inductor coil |
| CN112259370B (en) * | 2020-09-21 | 2022-08-30 | 吴伶俐 | Double-coordinate winding device |
| CN112768199B (en) * | 2020-12-29 | 2021-12-21 | 深圳市德尔信电子有限公司 | Module combined type annular transformer and winding system of winding framework thereof |
| CN113078028B (en) * | 2021-02-21 | 2022-04-15 | 旺荣电子(深圳)有限公司 | Relay coil processing system |
| CN113284737B (en) * | 2021-04-06 | 2023-01-31 | 浙江五谷铜业股份有限公司 | Side winding and winding device of miniature coil and winding method thereof |
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Effective date of registration: 20200908 Address after: No.11 Zijing Road, industrial park, Chahe Town, Pizhou City, Xuzhou City, Jiangsu Province Applicant after: Jiangsu Longyang Power Equipment Co.,Ltd. Address before: 226000 Wang Nan eight group, Hu Ji Town, Haian County, Nantong, Jiangsu Applicant before: Lu Lindi |
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