CN113851316A - Iron core cladding system of transformer and working method - Google Patents
Iron core cladding system of transformer and working method Download PDFInfo
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- CN113851316A CN113851316A CN202111010073.5A CN202111010073A CN113851316A CN 113851316 A CN113851316 A CN 113851316A CN 202111010073 A CN202111010073 A CN 202111010073A CN 113851316 A CN113851316 A CN 113851316A
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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
- H01F41/005—Impregnating or encapsulating
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Abstract
The invention discloses an iron core cladding system of a transformer, which comprises an EI-type transformer waiting for a cladding process, wherein the EI-type transformer consists of an EI electronic transformer iron core, a coil flexible group framework and a coil winding wound on the coil flexible group framework; the structure of the invention is simple, the offset compensation unit of the glue outlet enables the vertical shaft to rotate back and forth in a positive and negative fine tuning way along the axis direction through the transmission relation, thereby realizing the azimuth fine tuning of the fan-shaped glue outlet head, ensuring that the glue outlet is always coincided with an ideal point in the overlooking state in the subsequent process, and further achieving the compensation effect; therefore, the insulating adhesive extruded from the adhesive outlet can be better adhered to the outer side wall surface of the EI electronic transformer iron core.
Description
Technical Field
The invention belongs to the field of transformers.
Background
The periphery of the EI electronic transformer iron core is wrapped by the metal shell, so that the protection effect of physical wrapping is not realized, and the electromagnetic wave shielding effect is also realized; the assembly structure and the assembly structure of the existing transformer shell are complex, so that the shell structure and the specific process which are simpler in shell process and lower in cost are needed to be designed.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the iron core cladding system of the transformer and the working method, which have the advantages of simple structure and stable cladding process.
The technical scheme is as follows: in order to achieve the purpose, the iron core cladding system of the transformer comprises an EI-type transformer waiting for a cladding process, wherein the EI-type transformer consists of an EI electronic transformer iron core, a coil winding skeleton and a coil winding wound on the coil winding skeleton;
the iron core comprises an A half iron core shell and a B half iron core shell, wherein the overlooking outline of the A half iron core shell and the overlooking outline of the B half iron core shell are right-angled folded plate structures; still include the cladding process systems, the cladding process systems can make up into the complete shell that is the rectangle profile under overlooking the state with A half iron core shell and B half iron core shell, and makes complete shell parcel in EI electronic transformer iron core outside all around, and let the inner wall of complete shell with the outside wall of EI electronic transformer iron core glues through the bonding agent.
Further, the cladding process system comprises a horizontal working platform, a circular hollow part is arranged in the middle of the horizontal working platform, a circular rotary platform is coaxially arranged in the circular hollow part, the upper surface of the circular platform is parallel to the upper surface of the working platform, and the circular rotary platform can rotate along the axis of the circular rotary platform; a transformer limiting groove is formed in the circular rotary platform; the part of the lower end of the coil flexible group framework, which is lower than the EI electronic transformer iron core, is clamped and limited in the transformer limiting groove, so that the EI type transformer integrally rotates synchronously along with the circular rotating platform.
Furthermore, an A pushing folded plate and a B pushing folded plate which are both in a right-angle profile in an overlooking state are arranged on the working platform in a sliding manner; the A pushing folded plate and the B pushing folded plate are in central symmetry relative to the rotation center of the circular rotation platform; the working platform is fixedly provided with a horizontal A expansion piece and a horizontal B expansion piece, the tail end of an A expansion rod of the A expansion piece is fixedly connected with the back side of the A propulsion folded plate, and the tail end of a B expansion rod of the B expansion piece is fixedly connected with the back side of the B propulsion folded plate; the inner side of the A propulsion folded plate is attached with the A half iron core shell in parallel, and the inner side of the B propulsion folded plate is attached with the B half iron core shell in parallel;
the telescopic rod A can make an extending motion to enable the pushing folded plate A to push the half iron core shell A attached to the inner side to gradually approach the iron core of the EI electronic transformer; the telescopic rod B can make the pushing folded plate B push the half-core shell B attached to the inner side to gradually approach the EI electronic transformer core by the stretching motion; the A half iron core shell and the B half iron core shell can be mutually close to form a complete shell with a rectangular outline in an overlooking state under the pushing of the A pushing folded plate and the B pushing folded plate, and the complete shell formed by combining the A half iron core shell and the B half iron core shell is wrapped on the outer side of the periphery of an EI electronic transformer iron core.
Furthermore, a rotary platform driving motor is fixedly mounted below the working platform, a rotary shaft of the rotary platform driving motor and the round rotary platform are coaxial, a rotary cross beam is fixedly connected to the rotary shaft, and the rotary cross beam is fixedly connected with the round rotary platform through a connecting column.
Further, still include the rubberizing unit, the rubberizing unit can be with insulating bonding agent evenly attached to on the lateral wall face of EI electronic transformer iron core.
Further, the gluing unit comprises a vertical shaft, and an upper walking roller and a lower walking roller are coaxially and rotatably mounted on the outer wall of the vertical shaft through a first bearing and a second bearing respectively; the upper walking rollers are in rolling fit with the upper end of the outer side wall surface of the EI electronic transformer iron core, and the lower walking rollers are in rolling fit with the lower end of the outer side wall surface of the EI electronic transformer iron core;
a columnar glue head seat is integrally arranged on the vertical shaft coaxially, a fan-shaped glue outlet head which is fan-shaped in a overlooking view is integrally connected to the side part of the glue head seat, the fan-shaped glue outlet head is positioned between the upper walking roller and the lower walking roller, the axis of the outer arc surface of the fan-shaped glue outlet head is superposed with the axis of the vertical shaft, the outer diameter of the outer arc surface is D, the outer diameter of the upper walking roller/the lower walking roller is D, and the requirement that D is more than D and less than D when D-0.5mm is met; the middle part of the outer arc surface is provided with a plurality of glue outlets in an equidistant array along the vertical direction, and the top of the vertical shaft is provided with a glue inlet; a liquid guide channel is arranged in an integrated structure formed by the fan-shaped glue outlet head, the glue base and the vertical shaft, and the liquid guide channel is used for communicating the glue inlet with the glue outlet;
the bearing hole in the bearing seat is in rotating fit with the vertical shaft through a third bearing, and the bearing seat is fixedly connected to the vertical bearing support; an insulating adhesive storage unit is fixedly mounted on the bearing support, an adhesive leading-out end of the insulating adhesive storage unit is connected with an adhesive leading-out flexible hose through a pump, and the adhesive leading-out end of the adhesive leading-out flexible hose is communicated with a glue inlet at the top of the vertical shaft;
a fixed beam is fixedly connected to one side of the working platform, a guide hole seat is fixedly mounted on the fixed beam, a transverse guide hole is arranged on the guide hole seat in a penetrating manner, a transverse guide pillar penetrates through the transverse guide hole in a sliding manner, one end of the transverse guide pillar is fixedly connected with the vertical bearing support, a spring is further sleeved on the transverse guide pillar, and two ends of the spring elastically press the vertical bearing support and the guide hole seat respectively;
a horizontal reference straight line is arranged, the reference straight line passes through the revolution center in a top view, and the reference straight line is vertically intersected with the axis of the vertical shaft; the reference straight line is parallel to the axis of the transverse guide pillar;
the offset compensation unit comprises an offset compensation gear which is coaxially and integrally connected to the vertical shaft, and the rotation energy of the offset compensation gear drives the sector-shaped glue outlet head to synchronously deflect along the axis of the vertical shaft; the glue outlet offset compensation unit further comprises a stepping motor fixedly mounted on the bearing seat, an output end of the stepping motor is coaxially connected with an output gear, and the output gear is meshed with the offset compensation gear.
Furthermore, an iron core is fixedly connected to one end, far away from the vertical bearing support, of the transverse guide pillar through an iron core seat, and the axis of the iron core is parallel to the axis of the transverse guide pillar; the electromagnet is fixed on the fixed beam through an electromagnet support; when the electromagnet is electrified, the iron core overcomes the elastic force of the spring under the action of the magnetic attraction force and moves to contact the electromagnet along the axis direction.
Further, the working method of the iron core cladding system comprises the following steps:
firstly, in an initial state, the electromagnet is electrified, and the iron core overcomes the elastic force of the spring and moves to contact the electromagnet along the axis direction under the action of magnetic attraction force; at this time, the spring is in a compressed state;
secondly, clamping and limiting the part, lower than an EI electronic transformer iron core, of the lower end of a coil flexible group framework of the EI-type transformer into the transformer limiting groove, so that the EI-type transformer is integrally synchronous with the circular rotary platform;
step three, the electromagnet is powered off, the iron core is separated from the electromagnet, and the upper walking roller and the lower walking roller are gradually close to the rotation center along the straight line path of the reference straight line under the action of the elastic force of the spring until the upper walking roller and the lower walking roller are respectively in rolling fit with the upper end and the lower end of the outer side wall surface of the EI electronic transformer iron core;
controlling a rotary platform to drive a motor, so that the EI-type transformer integrally rotates along an axis along with the circular rotary platform, and the iron core of the EI electronic transformer rotates around a rotation center in an overlooking view; at the moment, due to the elastic force of the spring, the upper walking roller and the lower walking roller always have a movement trend of gradually approaching to the rotation center along a straight line path of the reference straight line, so that the upper walking roller and the lower walking roller cannot be separated from the outer side wall surface of the EI electronic transformer iron core all the time in the process that the EI electronic transformer iron core rotates by taking the rotation center as the center in the overlooking view;
under a overlooking view, the outline of the outer arc surface of the fan-shaped glue outlet head is an arc line, under the overlooking view, each glue outlet is positioned at one point of the arc line, under the overlooking view, one point, closest to the outer side wall surface of the EI electronic transformer iron core, on the circle on which the outline of the outer arc surface is positioned is marked as an ideal point, and when the glue outlet is superposed with the ideal point under the overlooking state, the glue outlet is positioned at the position closest to the outer side wall surface of the EI electronic transformer iron core, and then the insulating adhesive extruded by the glue outlet can be better adhered to the outer side wall surface of the EI electronic transformer iron core;
under a overlooking view angle, the outer side wall surfaces of the EI electronic transformer iron core in four directions are in a closed-loop rectangular outline; when the EI electronic transformer iron core rotates for a certain degree by taking the rotation center as the center under the overlooking visual angle, the upper walking roller and the lower walking roller finish rolling walking of one closed-loop rectangular outline path relative to the EI electronic transformer iron core; in the process that the upper walking roller and the lower walking roller roll and walk for one closed-loop rectangular outline path relative to the EI electronic transformer iron core, the fan-shaped glue outlet head also surrounds a circle relative to the EI electronic transformer iron core along the closed-loop rectangular outline path; in the process that the fan-shaped glue outlet head surrounds a circle relative to the EI electronic transformer iron core along the closed-loop rectangular contour path, if the direction of the glue outlet is always fixed, the glue outlet and an ideal point are not always in a coincident relation according to a geometric relation, but are always in a dynamic change process, so that the glue outlet is not always at a position closest to the outer side wall surface of the EI electronic transformer iron core, and the gluing stability is influenced; in order to solve the problem, a stepping motor of the glue outlet offset compensation unit is synchronously controlled, so that the vertical shaft is finely adjusted back and forth along the axis direction according to the transmission relation, the direction fine adjustment of the fan-shaped glue outlet head is realized, the glue outlet is always coincided with an ideal point in the overlooking state in the subsequent process, and the compensation effect is achieved;
in this way, the plurality of glue outlets can continuously extrude the insulating adhesive and continuously adhere to the outer side wall surfaces of the EI electronic transformer core in four directions in the process that the fan-shaped glue outlet head surrounds a circle relative to the EI electronic transformer core along the closed-loop rectangular contour path, so that the insulating adhesive adheres to the outer side wall surfaces of the EI electronic transformer core in four directions; thereby realizing the gluing process;
controlling the EI electronic transformer iron core to rotate around a rotation center in a top view angle until a diagonal line of a rectangular outer contour of the EI electronic transformer iron core in a top view state is parallel to the extending directions of the A telescopic rod and the B telescopic rod; the azimuth adjustment before the EI electronic transformer iron core cladding process is completed; then the electromagnet is electrified, and the iron core overcomes the elastic force of the spring and moves to contact the electromagnet along the axial direction under the action of the magnetic attraction force; at the moment, the upper walking roller and the lower walking roller are separated from the outer side wall surface of the iron core of the EI electronic transformer which is glued;
step six, the telescopic rod A extends out to enable the pushing folded plate A to push the half iron core shell A attached to the inner side to gradually approach the iron core of the EI electronic transformer; the telescopic rod B makes an extending motion to enable the pushing folded plate B to push the half iron core shell B attached to the inner side to gradually approach the iron core of the EI electronic transformer; half iron core shell of A and half iron core shell of B are close to each other to make up into the complete shell that is the rectangle profile under overlooking the state under A impels the folded plate and B to impel the folded plate to do the propulsion of being close to the motion each other, and the complete shell parcel that half iron core shell of A and half iron core shell of B made up outside all around EI electronic transformer iron core, the inner wall of the complete shell of formation with EI electronic transformer iron core's outside wall is glued through insulating bonding agent, and iron core cladding technology is accomplished to this moment.
Has the advantages that: the structure of the invention is simple, the offset compensation unit of the glue outlet enables the vertical shaft to rotate back and forth in a positive and negative fine tuning way along the axis direction through the transmission relation, thereby realizing the azimuth fine tuning of the fan-shaped glue outlet head, ensuring that the glue outlet is always coincided with an ideal point in the overlooking state in the subsequent process, and further achieving the compensation effect; therefore, the insulating adhesive extruded from the adhesive outlet can be better adhered to the outer side wall surface of the EI electronic transformer iron core;
in addition, after the step six is finished, the EI-type transformer which is cladded can be taken out urgently, the electromagnet is controlled to be powered off, the iron core is separated from the electromagnet, and at the moment, the upper walking roller and the lower walking roller are gradually close to the rotation center along the straight line path of the reference straight line under the action of the elastic force of the spring until the upper walking roller and the lower walking roller are respectively matched with the outer side wall surface of the EI electronic transformer iron core which is cladded in a rolling manner; and then controlling a rotary platform driving motor to enable the EI-type transformer after being cladded to integrally rotate along the axis of the circular rotary platform for a whole circle, namely rolling the outer side wall surface of the EI-type electronic transformer iron core after being cladded by an upper walking roller and a lower walking roller for a circle, so that the compaction effect on the complete shell is realized, and the bonding of the insulating adhesive is firmer.
Drawings
FIG. 1 is a schematic diagram of an EI-type transformer structure waiting for an encapsidation process;
FIG. 2 is a schematic structural diagram of an EI-type transformer, a half iron core shell A and a half iron core shell B;
FIG. 3 is a schematic diagram of an EI electronic transformer with a complete casing wrapped around the outside of the iron core;
FIG. 4 is a schematic view of the overall structure of the apparatus;
FIG. 5 is a top view of the apparatus;
FIG. 6 is an enlarged partial schematic view of FIG. 5;
fig. 7 is a schematic diagram of the upper and lower traveling rollers rolling on the diamond corners 70 of the outer side wall surface of the EI electronic transformer core (at this time, the glue outlet coincides with the ideal point in a top view);
fig. 8 is a schematic view of the upper and lower traveling rollers rolling on the outer side wall surface of the EI electronic transformer core (at this time, the glue outlet is not coincident with the ideal point in a top view);
FIG. 9 is a schematic diagram of the apparatus for applying glue to the periphery of an EI electronic transformer core;
FIG. 10 is a schematic diagram of the lower end of a coil bending frame lower than an EI electronic transformer core being clamped and limited in a transformer limiting groove;
FIG. 11 is a disassembled schematic view of FIG. 10;
FIG. 12 is a schematic view of an integrated structure disassembly formed by a fan-shaped glue outlet head, a glue base and a vertical shaft;
FIG. 13 is a schematic structural view of an integration of a fan-shaped glue outlet head, a glue base and a vertical shaft;
fig. 14 is a schematic structural view of a fan-shaped glue discharging head.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The iron core encapsidation system of the transformer shown in fig. 1 to 14 comprises an EI type transformer 001 waiting for encapsidation process, wherein the EI type transformer 001 of the embodiment is a standard EI type transformer, and the EI type transformer 001 is composed of an EI electronic transformer iron core 32, a coil winding framework 40 and a coil winding 41 wound on the coil winding framework 40;
the iron core comprises an A half iron core shell 42 and a B half iron core shell 43, wherein the overlooking outline of the A half iron core shell 42 and the overlooking outline of the B half iron core shell 43 are right-angled, the A half iron core shell 42 and the B half iron core shell 43 are both made of metal materials, and the A half iron core shell 42 and the B half iron core shell 43 are both in a right-angled folded plate structure; still include the cladding process systems, the cladding process systems can make up into the complete shell 10 that is the rectangle profile under overlooking the state with half iron core shell 42 of A and half iron core shell 43 of B, and make complete shell 10 parcel in EI electronic transformer iron core 32 outside all around, and let the inner wall of complete shell 10 with EI electronic transformer iron core 32's lateral wall 32.1 glues through the adhesive, and it is important that the improper protection of playing the physics parcel like this is important, still plays the effect of shielding electromagnetic wave, and the adhesive of this embodiment can be polyester, epoxy, polyurethane, polybutadiene acid, organosilicon, polyesterimide and polyimide etc..
The cladding process system comprises a horizontal working platform 35, a circular hollowed-out part 38 is arranged in the middle of the horizontal working platform, a circular rotary platform 37 is coaxially arranged in the circular hollowed-out part 38, the upper surface of the circular platform 37 is parallel to the upper surface of the working platform 35, and the circular rotary platform 37 can rotate along the axis of the circular rotary platform; a transformer limiting groove 45 is formed in the circular rotary platform 37; the part of the lower end of the coil flexible group framework 40, which is lower than the EI electronic transformer iron core 32, is clamped and limited in the transformer limiting groove 45, so that the EI-type transformer 001 integrally rotates synchronously along with the circular rotating platform 37.
The working platform 35 is also provided with an A pushing folded plate 39 and a B pushing folded plate 36 which are both in a right-angle profile in a top view state in a sliding manner; the a push flap 39 and the B push flap 36 are centrosymmetric about the center of rotation 50 of the circular rotating platform 37; a horizontal A telescopic device 30 and a horizontal B telescopic device 34 are fixedly arranged on the working platform 35, the tail end of an A telescopic rod 31 of the A telescopic device 30 is fixedly connected with the back side of the A propelling flap plate 39, and the tail end of a B telescopic rod 33 of the B telescopic device 34 is fixedly connected with the back side of the B propelling flap plate 36; the inner side of the A pushing flap plate 39 is in parallel contact with the A semi-iron-core shell 42, and the inner side of the B pushing flap plate 36 is in parallel contact with the B semi-iron-core shell 43;
the extending motion of the A telescopic rod 31 can enable the A pushing folded plate 39 to push the A half iron core shell 42 attached to the inner side to gradually approach the EI electronic transformer iron core 32; the B telescopic rod 33 makes an extending motion to enable the B pushing folded plate 36 to push the B half iron core shell 43 attached to the inner side to gradually approach the EI electronic transformer iron core 32; under the pushing of the A pushing folding plate 39 and the B pushing folding plate 36, the A half iron core shell 42 and the B half iron core shell 43 can be close to each other to form the complete shell 10 with a rectangular outline in a top view state, and the complete shell 10 formed by combining the A half iron core shell 42 and the B half iron core shell 43 is wrapped on the outer side of the periphery of the EI electronic transformer iron core 32.
A rotary platform driving motor 46 is fixedly mounted below the working platform 35, a rotary shaft 47 of the rotary platform driving motor 46 and the circular rotary platform 37 are coaxial, a rotary cross beam 48 is fixedly connected to the rotary shaft 47, and the rotary cross beam 48 is fixedly connected with the circular rotary platform 37 through a connecting column 49.
Still include the rubberizing unit, the rubberizing unit can be with insulating adhesive evenly attached to on the lateral wall face 32.1 of EI electronic transformer iron core 32.
The gluing unit comprises a vertical shaft 9, and an upper walking roller 5 and a lower walking roller 28 are coaxially and rotatably mounted on the outer wall of the vertical shaft 9 through a first bearing 26 and a second bearing 27 respectively; the upper walking rollers 5 are in rolling fit with the upper end of the outer side wall surface 32.1 of the EI electronic transformer iron core 32, and the lower walking rollers 28 are in rolling fit with the lower end of the outer side wall surface 32.1 of the EI electronic transformer iron core 32;
a columnar glue head seat 29 is coaxially and integrally arranged on the vertical shaft 9, a fan-shaped glue outlet head 4 which is fan-shaped in a overlooking view is integrally connected to the side part of the glue head seat 29, the fan-shaped glue outlet head 4 is positioned between the upper walking roller 5 and the lower walking roller 28, the axis of the outer arc surface 3 of the fan-shaped glue outlet head 4 is superposed with the axis of the vertical shaft 9, the outer diameter of the outer arc surface 3 is set to be D, the outer diameter of the upper walking roller 5/the lower walking roller 28 is set to be D, and the requirement that D-0.5mm is larger than D and smaller than D is met; the middle part of the outer arc surface 3 is provided with a plurality of glue outlets 2 in an equidistant array along the vertical direction, and the top of the vertical shaft 9 is provided with a glue inlet 41; a liquid guide channel is arranged in an integrated structure formed by the fan-shaped glue outlet head 4, the glue base 29 and the vertical shaft 9, and the liquid guide channel is used for communicating the glue inlet 41 with the glue outlet 2;
the bearing device also comprises a bearing seat 12, a bearing hole on the bearing seat 12 is in running fit with the vertical shaft 9 through a third bearing 8, and the bearing seat 12 is fixedly connected to a vertical bearing support 16; an insulating adhesive storage unit 15 is further fixedly mounted on the bearing support 16, an adhesive leading-out end of the insulating adhesive storage unit 15 is connected with an adhesive leading-out flexible hose 11 through a pump 13, and the adhesive leading-out end of the adhesive leading-out flexible hose 11 is communicated with a glue inlet 41 in the top of the vertical shaft 9;
a fixed beam 25 is fixedly connected to one side of the working platform 35, a guide hole seat 20 is fixedly mounted on the fixed beam 25, a transverse guide hole 19 is arranged on the guide hole seat 20 in a penetrating manner, a transverse guide pillar 18 slides in the transverse guide hole 19, one end of the transverse guide pillar 18 is fixedly connected with the vertical bearing support 16, a spring 17 is further sleeved on the transverse guide pillar 18, and two ends of the spring 17 elastically press the vertical bearing support 16 and the guide hole seat 20 respectively;
a horizontal reference straight line 51 is arranged, the reference straight line 51 passes through the revolution center 50 in a top view, and the reference straight line 51 is vertically intersected with the axis of the vertical shaft 9; the reference straight line 51 is parallel to the axis of the transverse guide post 18;
the offset compensation unit comprises an offset compensation gear 6 coaxially and integrally connected to the vertical shaft 9, and the rotation of the offset compensation gear 6 can drive the sector-shaped glue outlet head 4 to synchronously deflect along the axis of the vertical shaft 9; the glue outlet offset compensation unit further comprises a stepping motor 10 fixedly mounted on the bearing seat 12, an output end of the stepping motor 10 is coaxially connected with an output gear 14, and the output gear 14 is meshed with the offset compensation gear 6.
One end of the transverse guide post 18, which is far away from the vertical bearing support 16, is fixedly connected with an iron core 22 through an iron core seat 21, and the axis of the iron core 22 is parallel to the axis of the transverse guide post 18; the iron core is characterized by further comprising an electromagnet 23 corresponding to the iron core 22, and the electromagnet 23 is fixed on the fixed beam 25 through an electromagnet support 24; when the electromagnet 23 is electrified, the iron core 22 overcomes the elastic force of the spring 17 under the action of magnetic attraction and moves to contact the electromagnet 23 along the axial direction.
The working method of the iron core cladding system of the transformer comprises the following steps:
step one, in an initial state, the electromagnet 23 is electrified, and the iron core 22 overcomes the elastic force of the spring 17 and moves to contact the electromagnet 23 along the axial direction under the action of magnetic attraction force; the spring 17 is now in a compressed state;
secondly, clamping and limiting the part, lower than the EI electronic transformer iron core 32, of the lower end of the coil flexible group framework 40 of the EI-type transformer 001 into the transformer limiting groove 45, so that the EI-type transformer 001 is integrally synchronous with the circular rotary platform 37;
step three, the electromagnet 23 is powered off, the iron core 22 is separated from the electromagnet 23, and at the moment, the upper walking roller 5 and the lower walking roller 28 are gradually close to the rotation center 50 along the straight path of the reference straight line 51 under the action of the elastic force of the spring 17 until the upper walking roller 5 and the lower walking roller 28 are respectively in rolling fit with the upper end and the lower end of the outer side wall surface 32.1 of the EI electronic transformer iron core 32;
step four, controlling the revolving platform driving motor 46 to make the EI-type transformer 001 integrally revolve along the axis along with the circular revolving platform 37, so that the EI electronic transformer iron core 32 revolves around the revolving center 50 in the overlooking view; at this time, due to the elastic force of the spring 17, the upper traveling roller 5 and the lower traveling roller 28 always have a movement tendency of gradually approaching the rotation center 50 along the straight path of the reference straight line 51, so that the upper traveling roller 5 and the lower traveling roller 28 do not always separate from the outer wall surface 32.1 of the EI electronic transformer core 32 in the process that the EI electronic transformer core 32 rotates around the rotation center 50 in the top view;
in a top view, the outline of the outer arc surface 3 of the fan-shaped glue outlet head 4 is an arc line, in the top view, each glue outlet 2 is located at one point of the arc line, in the top view, one point on the circle on which the outline of the outer arc surface 3 is located, which is closest to the outer side wall surface 32.1 of the EI electronic transformer core 32, is marked as an ideal point 52, and when the glue outlet 2 coincides with the ideal point 52 in the top view, it is indicated that the glue outlet 2 is located at a position closest to the outer side wall surface 32.1 of the EI electronic transformer core 32, and then the insulating adhesive extruded from the glue outlet 2 can be better adhered to the outer side wall surface 32.1 of the EI electronic transformer core 32;
in a top view, the outer wall surfaces 32.1 of the EI electronic transformer core 32 in four directions are in a closed-loop rectangular outline; when the EI electronic transformer core 32 rotates 360 ° around the rotation center 50 in the top view, the upper traveling roller 5 and the lower traveling roller 28 roll to travel one closed-loop rectangular contour path with respect to the EI electronic transformer core 32; in the process that the upper walking roller 5 and the lower walking roller 28 finish the rolling walking of one closed-loop rectangular outline path relative to the EI electronic transformer core 32, the fan-shaped glue outlet head 4 also surrounds a circle relative to the EI electronic transformer core 32 along the closed-loop rectangular outline path; in the process that the fan-shaped glue outlet head 4 surrounds a circle relative to the EI electronic transformer core 32 along the closed-loop rectangular contour path, if the orientation of the glue outlet 2 is always fixed, it can be known from the geometric relationship that the glue outlet 2 and the ideal point 52 are not always in a coincident relationship, but are always in a dynamic change process, for example, the glue outlet 2 in fig. 8 is not coincident with the ideal point 52, but the glue outlet 2 in fig. 7 is coincident with the ideal point 52, so that the glue outlet 2 is not always in a position closest to the outer side wall surface 32.1 of the EI electronic transformer core 32, thereby affecting the gluing stability; in order to solve the problem, the stepping motor 10 of the glue outlet offset compensation unit is synchronously controlled, so that the vertical shaft 9 is finely adjusted back and forth along the axis direction according to the transmission relation, the direction fine adjustment of the fan-shaped glue outlet head 4 is realized, the glue outlet 2 is ensured to be always coincided with the ideal point 52 in the overlooking state in the subsequent process, and the compensation effect is achieved;
in this way, in the process that the fan-shaped glue outlet head 4 surrounds a circle relative to the EI electronic transformer core 32 along the closed-loop rectangular contour path, the plurality of glue outlets 2 continuously extrude the insulating adhesive and continuously adhere to the outer side wall surfaces 32.1 of the EI electronic transformer core 32 in four directions, so that the insulating adhesive adheres to the outer side wall surfaces 32.1 of the EI electronic transformer core 32 in four directions; thereby realizing the gluing process;
step five, controlling the EI electronic transformer iron core 32 to rotate around a rotation center 50 as a center in a top view angle until one diagonal line 002 of the rectangular outer contour of the EI electronic transformer iron core 32 in the top view state is parallel to the extending direction of the A telescopic rod 31 and the B telescopic rod 33; the azimuth adjustment before the EI electronic transformer iron core 32 cladding process is completed; then the electromagnet 23 is electrified, and the iron core 22 overcomes the elastic force of the spring 17 and moves to contact the electromagnet 23 along the axial direction under the action of magnetic attraction; at this time, the upper traveling roller 5 and the lower traveling roller 28 are separated from the outer side wall surface 32.1 of the EI electronic transformer iron core 32 which is glued;
step six, the A telescopic rod 31 does stretching movement to enable the A pushing folded plate 39 to push the A half iron core shell 42 attached to the inner side to gradually approach the EI electronic transformer iron core 32; the B telescopic rod 33 makes an extending movement to make the B pushing folded plate 36 push the B half iron core shell 43 attached to the inner side to gradually approach the EI electronic transformer iron core 32; half iron core shell 42 of A and half iron core shell 43 of B are close to each other to make up into the complete shell 10 that is the rectangle profile under the state of overlooking under the promotion that A impels folded plate 39 and B impels folded plate 36 to do the motion of being close to each other, and the complete shell 10 parcel that half iron core shell 42 of A and half iron core shell 43 of B made up is outside all around EI electronic transformer iron core 32, the inner wall of the complete shell 10 of formation with outside wall 32.1 of EI electronic transformer iron core 32 glues through insulating bonding agent, and this iron core cladding technology is accomplished.
On the basis of the above, in order to improve the bonding effect of the insulating adhesive; after the step six is finished, the EI-type transformer 001 which is cladded can be taken out urgently, the electromagnet 23 is controlled to be powered off, the iron core 22 is separated from the electromagnet 23, at the moment, the upper traveling roller 5 and the lower traveling roller 28 are gradually close to the rotation center 50 along the straight path of the reference straight line 51 under the action of the elastic force of the spring 17, and the upper traveling roller 5 and the lower traveling roller 28 are respectively matched with the outer side wall surface of the EI electronic transformer iron core 32 which is cladded in a rolling manner; then, controlling a rotary platform driving motor 46 to enable the EI-type transformer 001 which is cladded to integrally rotate along the axis with the circular rotary platform 37, wherein the EI-type transformer is equivalent to a situation that the upper traveling roller 5 and the lower traveling roller 28 roll one circle on the outer side wall surface of the EI electronic transformer iron core 32 which is cladded to play a role in compacting the complete shell 10, so that the insulation adhesive is bonded more firmly;
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 (8)
1. The iron core cladding system of the transformer comprises an EI-type transformer (001) waiting for a cladding process, wherein the EI-type transformer (001) is composed of an EI electronic transformer iron core (32), a coil winding framework (40) and a coil winding (41) wound on the coil winding framework (40);
the method is characterized in that: the iron core comprises an A half iron core shell (42) and a B half iron core shell (43), wherein the overlooking outline of the A half iron core shell (42) and the overlooking outline of the B half iron core shell (43) are right-angled folded plate structures; the full-automatic iron core wrapping machine further comprises a wrapping process system, wherein the wrapping process system can combine the A half iron core shell (42) and the B half iron core shell (43) into a complete shell (10) with a rectangular outline in a overlooking state, the complete shell (10) is wrapped on the outer side of the periphery of the EI electronic transformer iron core (32), and the inner wall of the complete shell (10) is bonded with the outer side wall surface (32.1) of the EI electronic transformer iron core (32) through a bonding agent.
2. The transformer core-cladding system of claim 1, wherein: the cladding process system comprises a horizontal working platform (35), a circular hollowed-out part (38) is arranged in the middle of the horizontal working platform, a circular rotary platform (37) is coaxially arranged in the circular hollowed-out part (38), the upper surface of the circular platform (37) is parallel to the upper surface of the working platform (35), and the circular rotary platform (37) can rotate along the axis of the circular rotary platform; a transformer limiting groove (45) is formed in the circular rotary platform (37); the part, which is lower than the EI electronic transformer iron core (32), of the lower end of the coil flexible group framework (40) is clamped and limited in the transformer limiting groove (45), so that the EI type transformer (001) integrally rotates synchronously along with the circular rotating platform (37).
3. The transformer core-cladding system of claim 2, wherein: the working platform (35) is also provided with an A pushing folded plate (39) and a B pushing folded plate (36) which are both in a right-angle profile in a top view in a sliding manner; the A pushing flap plate (39) and the B pushing flap plate (36) are in central symmetry about the rotation center (50) of the circular rotation platform (37); a horizontal A expansion piece (30) and a horizontal B expansion piece (34) are fixedly arranged on the working platform (35), the tail end of an A expansion rod (31) of the A expansion piece (30) is fixedly connected with the back side of the A propulsion flap plate (39), and the tail end of a B expansion rod (33) of the B expansion piece (34) is fixedly connected with the back side of the B propulsion flap plate (36); the inner side of the A pushing folded plate (39) is in parallel attached with the A semi-iron core shell (42), and the inner side of the B pushing folded plate (36) is in parallel attached with the B semi-iron core shell (43);
the telescopic rod (31) A can make the pushing folded plate A (39) push the half iron core shell A (42) attached to the inner side to gradually approach the iron core (32) of the EI electronic transformer by the stretching motion; the telescopic rod (33) of the B pushes the folded plate (36) of the B to push the B half iron core shell (43) attached to the inner side to gradually approach the EI electronic transformer iron core (32) by the stretching motion; under the pushing of the A pushing folding plate (39) and the B pushing folding plate (36), the A half iron core shell (42) and the B half iron core shell (43) can be close to each other to form a complete shell (10) with a rectangular outline in a top view state, and the complete shell (10) formed by combining the A half iron core shell (42) and the B half iron core shell (43) wraps the periphery of the EI electronic transformer iron core (32).
4. The transformer core-cladding system of claim 3, wherein: the lower part fixed mounting of work platform (35) has rotary platform driving motor (46), rotary shaft (47) of rotary platform driving motor (46) with circular rotary platform (37) are coaxial, fixedly connected with gyration crossbeam (48) on rotary shaft (47), gyration crossbeam (48) through spliced pole (49) with circular rotary platform (37) fixed connection.
5. The transformer core-cladding system of claim 4, wherein: still include the rubberizing unit, the rubberizing unit can be with insulating adhesive evenly attached to on the lateral wall face (32.1) of EI electronic transformer iron core (32).
6. The transformer core-cladding system of claim 5, wherein: the gluing unit comprises a vertical shaft (9), and an upper walking roller (5) and a lower walking roller (28) are coaxially and rotatably arranged on the outer wall of the vertical shaft (9) through a first bearing (26) and a second bearing (27) respectively; the upper traveling roller (5) is in rolling fit with the upper end of the outer side wall surface (32.1) of the EI electronic transformer iron core (32), and the lower traveling roller (28) is in rolling fit with the lower end of the outer side wall surface (32.1) of the EI electronic transformer iron core (32);
a columnar glue head seat (29) is coaxially and integrally arranged on the vertical shaft (9), a fan-shaped glue outlet head (4) which is fan-shaped in an overlooking view is integrally connected to the side part of the glue head seat (29), the fan-shaped glue outlet head (4) is positioned between the upper walking roller (5) and the lower walking roller (28), the axis of the outer arc surface (3) of the fan-shaped glue outlet head (4) is superposed with the axis of the vertical shaft (9), the outer diameter of the outer arc surface (3) is set to be D, the outer diameter of the upper walking roller (5)/the outer diameter of the lower walking roller (28) is set to be D, and the requirement that D is more than D and less than D when D-0.5mm is met; the middle part of the outer arc surface (3) is provided with a plurality of glue outlets (2) in an equidistant array along the vertical direction, and the top of the vertical shaft (9) is provided with a glue inlet (41); a liquid guide channel is arranged in an integrated structure formed by the fan-shaped glue outlet head (4), the glue head seat (29) and the vertical shaft (9), and the liquid guide channel is used for communicating the glue inlet (41) with the glue outlet (2);
the bearing device is characterized by further comprising a bearing seat (12), a bearing hole in the bearing seat (12) is in running fit with the vertical shaft (9) through a third bearing (8), and the bearing seat (12) is fixedly connected to a vertical bearing support (16); an insulating adhesive storage unit (15) is fixedly mounted on the bearing support (16), an adhesive leading-out end of the insulating adhesive storage unit (15) is connected with an adhesive leading-out flexible hose (11) through a pump (13), and the adhesive leading-out end of the adhesive leading-out flexible hose (11) is communicated with a glue inlet (41) in the top of the vertical shaft (9);
a fixed beam (25) is fixedly connected to one side of the working platform (35), a guide hole seat (20) is fixedly mounted on the fixed beam (25), a transverse guide hole (19) is arranged on the guide hole seat (20) in a penetrating manner, a transverse guide pillar (18) penetrates through the transverse guide hole (19) in a sliding manner, one end of the transverse guide pillar (18) is fixedly connected with the vertical bearing support (16), a spring (17) is further sleeved on the transverse guide pillar (18), and two ends of the spring (17) elastically press the vertical bearing support (16) and the guide hole seat (20) respectively;
a horizontal reference straight line (51) is arranged, the reference straight line (51) passes through the revolution center (50) in a top view, and the reference straight line (51) is vertically intersected with the axis of the vertical shaft (9); the reference straight line (51) is parallel to the axis of the transverse guide post (18);
the offset compensation unit of the glue outlet comprises an offset compensation gear (6) which is coaxially and integrally connected to the vertical shaft (9), and the rotation energy of the offset compensation gear (6) drives the sector glue outlet head (4) to synchronously deflect along the axis of the vertical shaft (9); the glue outlet offset compensation unit further comprises a stepping motor (10) fixedly mounted on the bearing seat (12), an output end of the stepping motor (10) is coaxially connected with an output gear (14), and the output gear (14) is meshed with the offset compensation gear (6).
7. The transformer core-cladding system of claim 5, wherein: one end, far away from the vertical bearing support (16), of the transverse guide post (18) is fixedly connected with an iron core (22) through an iron core seat (21), and the axis of the iron core (22) is parallel to the axis of the transverse guide post (18); the iron core is characterized by further comprising an electromagnet (23) corresponding to the iron core (22), wherein the electromagnet (23) is fixed on the fixed beam (25) through an electromagnet support (24); when the electromagnet (23) is electrified, the iron core (22) overcomes the elastic force of the spring (17) under the action of magnetic attraction and moves to contact with the electromagnet (23) along the axis direction.
8. The method of operating a transformer core-cladding system of claim 7, wherein: the method comprises the following steps:
step one, in an initial state, the electromagnet (23) is electrified, and the iron core (22) overcomes the elastic force of the spring (17) and moves to contact with the electromagnet (23) along the axis direction under the action of magnetic attraction force; at this time, the spring (17) is in a compressed state;
secondly, clamping and limiting the part, lower than an EI electronic transformer iron core (32), of the lower end of a coil flexible group framework (40) of the EI-type transformer (001) into a transformer limiting groove (45), so that the EI-type transformer (001) is integrally synchronous with the circular rotary platform (37);
step three, the electromagnet (23) is powered off, the iron core (22) is separated from the electromagnet (23), and at the moment, the upper walking roller (5) and the lower walking roller (28) are gradually close to the rotation center (50) along the straight path of the reference straight line (51) under the action of the elastic force of the spring (17) until the upper walking roller (5) and the lower walking roller (28) are respectively in rolling fit with the upper end and the lower end of the outer side wall surface (32.1) of the EI electronic transformer iron core (32);
fourthly, controlling a rotary platform driving motor (46) to enable the EI-type transformer (001) to integrally rotate along the axis along with the circular rotary platform (37), so that the EI electronic transformer iron core (32) rotates by taking a rotary center (50) as a center in an overlooking view; at this time, due to the elastic force of the spring (17), the upper walking roller (5) and the lower walking roller (28) always have a movement trend of gradually approaching the rotation center (50) along a linear path of the reference straight line (51), so that the upper walking roller (5) and the lower walking roller (28) can not be separated from the outer side wall surface (32.1) of the EI electronic transformer iron core (32) all the time in the process that the EI electronic transformer iron core (32) rotates around the rotation center (50) in a top view;
under a overlooking view, the outline of an outer arc surface (3) of the fan-shaped glue outlet head (4) is an arc line, under the overlooking view, each glue outlet (2) is positioned at one point of the arc line, under the overlooking view, one point closest to an EI electronic transformer iron core (32) outer wall surface (32.1) on the circle on which the outline of the outer arc surface (3) is positioned is marked as an ideal point (52), and under the overlooking state, when the glue outlet (2) is superposed with the ideal point (52), the glue outlet (2) is positioned at a position closest to the EI electronic transformer iron core (32) outer wall surface (32.1), and then the insulating adhesive extruded by the glue outlet (2) can be better adhered to the EI electronic transformer iron core (32) outer wall surface (32.1);
in a top view, the outer wall surfaces (32.1) of the EI electronic transformer iron core (32) in four directions are in a closed-loop rectangular outline; when the EI electronic transformer iron core (32) rotates for 360 degrees by taking the rotation center (50) as the center in the overlooking view, the upper walking roller (5) and the lower walking roller (28) complete a closed-loop rectangular outline path in rolling mode relative to the EI electronic transformer iron core (32); in the process that the upper walking roller (5) and the lower walking roller (28) finish one closed-loop rectangular outline path relative to the EI electronic transformer iron core (32) in a rolling mode, the fan-shaped glue outlet head (4) can also surround a circle relative to the EI electronic transformer iron core (32) along the closed-loop rectangular outline path; in the process that the fan-shaped glue outlet head (4) surrounds a circle relative to an EI electronic transformer iron core (32) along the closed-loop rectangular contour path, if the position of the glue outlet (2) is always fixed, the glue outlet (2) and an ideal point (52) are not always in a coincident relation according to a geometric relation and are always in a dynamic change process, so that the glue outlet (2) is not always at a position closest to an EI electronic transformer iron core (32) outer side wall surface (32.1), and the gluing stability is influenced; in order to solve the problem, a stepping motor (10) of the glue outlet offset compensation unit is synchronously controlled, so that the vertical shaft (9) is finely adjusted back and forth along the axis direction according to the transmission relation, the direction fine adjustment of the fan-shaped glue outlet head (4) is realized, the glue outlet (2) is always overlapped with an ideal point (52) in the overlooking state in the subsequent process, and the compensation effect is achieved;
in this way, in the process that the fan-shaped glue outlet head (4) surrounds a circle relative to the EI electronic transformer core (32) along the closed-loop rectangular outline path, the plurality of glue outlets (2) can continuously extrude the insulating adhesive and continuously adhere to the outer side wall surfaces (32.1) of the EI electronic transformer core (32) in four directions, so that the insulating adhesive adheres to the outer side wall surfaces (32.1) of the EI electronic transformer core (32) in four directions; thereby realizing the gluing process;
controlling the EI electronic transformer iron core (32) to rotate around a rotation center (50) as a center in a top view angle until a diagonal line (002) of a rectangular outer contour of the EI electronic transformer iron core (32) in a top view state is parallel to the extending direction of the A telescopic rod (31) and the B telescopic rod (33); the azimuth adjustment before the EI electronic transformer iron core (32) cladding process is completed; then the electromagnet (23) is electrified, and the iron core (22) overcomes the elastic force of the spring (17) and moves to contact the electromagnet (23) along the axial direction under the action of magnetic attraction force; at the moment, the upper walking roller (5) and the lower walking roller (28) are separated from the outer side wall surface (32.1) of the iron core (32) of the EI electronic transformer which is glued;
step six, the A telescopic rod (31) extends out to enable the A pushing folded plate (39) to push the A half iron core shell (42) attached to the inner side to gradually approach the EI electronic transformer iron core (32); the B telescopic rod (33) extends out to enable the B pushing folded plate (36) to push the B half iron core shell (43) attached to the inner side to gradually approach the EI electronic transformer iron core (32); half iron core shell (42) of A and half iron core shell (43) of B are close to each other to make up into whole shell (10) that is the rectangle profile under the state of overlooking to the promotion of being close to the motion each other at A propulsion folded plate (39) and B propulsion folded plate (36), and whole shell (10) parcel that half iron core shell (42) of A and half iron core shell (43) of B make up is outside all around EI electronic transformer iron core (32), the inner wall of the whole shell (10) of formation with outside wall (32.1) of EI electronic transformer iron core (32) are glued through insulating bonding agent, and this iron core cladding technology is accomplished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111010073.5A CN113851316A (en) | 2021-08-31 | 2021-08-31 | Iron core cladding system of transformer and working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111010073.5A CN113851316A (en) | 2021-08-31 | 2021-08-31 | Iron core cladding system of transformer and working method |
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| CN113851316A true CN113851316A (en) | 2021-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116551182A (en) * | 2023-05-29 | 2023-08-08 | 无锡富乐电子有限公司 | Welding system and welding method for laminated state retaining structure of transformer core |
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2021
- 2021-08-31 CN CN202111010073.5A patent/CN113851316A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116551182A (en) * | 2023-05-29 | 2023-08-08 | 无锡富乐电子有限公司 | Welding system and welding method for laminated state retaining structure of transformer core |
| CN116551182B (en) * | 2023-05-29 | 2024-03-26 | 无锡富乐电子有限公司 | Welding system and welding method for laminated state retaining structure of transformer core |
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