Transformer heat sink and its production technology
Technical field
The invention belongs to distribution equipment manufacturing technology field, and in particular to a kind of transformer heat sink and its production work
Skill.
Background technology
In use, electric current carries out electromagnetic conversion to power transformer by first and second winding and silicon sheet core,
Part electric energy translates into the heat energy of idle work, and this heat such as takes no action to dissipate as early as possible, will be to transformer performance and use
Electric safety adversely affects, the power transformer that the country is producing or used at present, and radiator is around casing periphery
And the iron flat tubular part linked up with transformer oil phase in casing, because its moulding radiating section is smaller, while again because of aluminium
Thermal conductivity factor is three times of iron, and the iron radiator of power transformer causes to become due to structure and the aspect shortcoming of material two at present
Depressor heat dispersion is poor, is unfavorable for saving the energy and plays power equipment operation potentiality;Meanwhile Metal Material Science research table
Bright, metallic iron easily aoxidizes, and aluminium is then relatively stable, and smooth aluminium material surface has the characteristic of infrared ray in reflection sunlight, and
Iron rule has the characteristic for absorbing infrared ray, so the power transformer equipped with iron radiator in summer outdoor working environment
Device, can also be because of daylight factor, and increases additional heat, is unfavorable for the radiating of equipment.
The Chinese patent of Application No. 201420575108.9 discloses a kind of novel compositions suitable for power transformer
Formula Aluminium Radiator, including aluminum thermal fin, aluminum termination, main flow siphunculus and spacer sleeve, the both ends of aluminum thermal fin connect respectively
Aluminum termination is connect, aluminum termination is fixed on main flow siphunculus by spacer sleeve, corresponding on aluminum termination, spacer sleeve and main flow siphunculus
Provided with through hole, for the circulation for the oil that radiates, spacer sleeve is realized by sealing ring and sealed, after a period of time, sealing ring aging,
Oil leak easily occurs, influences radiating effect, increases cost.
The content of the invention
To solve the deficiency in above-mentioned technology, it is an object of the invention to:A kind of transformer heat sink, structure letter are provided
Single, securely and reliably, good airproof performance, radiating rate is fast, and provides a kind of production technology of transformer heat sink, and the technique facilitates fast
Victory, the transformer heat sink good airproof performance of production, service life length.
To solve its technical problem, the technical solution used in the present invention is:
The transformer heat sink, including fin and main flow siphunculus, the fin include what is formed by heat sink section bar
Vertical passage and radiating fin, vertical passage and radiating fin are structure as a whole, main flow siphunculus one end sealing, other end weldering
Mounting flange is connect, the fin both ends are fixedly connected with grease chamber, and grease chamber connects connecting plate simultaneously, and it is recessed that grease chamber corresponds to connecting plate setting
Groove, grease chamber, connecting plate and main flow siphunculus sequentially weld together, and oil leak is correspondingly arranged on connecting plate centre position and main flow siphunculus
Hole.
The present invention in use, the mounting flange on main flow siphunculus is connected with the flange of transformer store oil main body connector,
And then communicated with connecing transformer oil pipe, transformer conduction oil enters grease chamber, Ran Houliu by main flow siphunculus and connecting plate oil leaking hole
Enter fin, fin includes the vertical passage and radiating fin formed by heat sink section bar, and vertical passage and radiating fin are one
Body structure, the preferred aluminium alloy of heat sink section bar, conduction oil heat obtain quick release by fin.
Wherein, preferred scheme is:
The connecting plate is set to arc, is adapted with main flow siphunculus arcwall face, and both are bonded completely after welding, sealing
It is good.
The main flow siphunculus is provided with fuel outlet valve and vent valve, and conduction oil in the releasable fin of fuel outlet valve, vent valve can
The pressed gas accumulated in release fin, so as to realize vacuum in oil pipe, ensures the trafficability performance of conduction oil.
The fin is provided with hoisting ring, convenient to carry out lifting fixation to it.
The present invention also provides a kind of transformer radiating board production technology, comprises the following steps:
The first step, connecting plate and grease chamber are welded together;
Second step, grease chamber and fin are welded together by grease chamber welding gun, grease chamber welding gun is fixed by lifting assembly;
3rd step, the connecting plate being welded, grease chamber and heat sink assembly are sequentially arranged and are attached on main flow siphunculus, is respectively connected
Fishplate bar is arranged in a straight line, and plate straight edge is welded to connect by seam welding gun;
4th step, the space that circular arc rotary welding gun is screwed between abutting fins, is welded to connect between plate and connecting plate
Arc shaped slits.
Wherein, the first step is welded to connect the seam between plate and grease chamber, and the step is completed by common welding gun;
Second step using a pair of grease chamber welding guns from top to bottom or by lower and lower welding fin and the side seams of grease chamber two, grease chamber welding gun simultaneously
Lifting is driven by lifting assembly, during welding, fin and the side seams synchronous welding of grease chamber two, is improved welding efficiency, is saved and weld
The time is connect, lifting assembly includes lifting motor, and lifting motor rotating shaft is fixedly connected with nut screw, and corresponding grease chamber welding gun, which is set, to be risen
Welding gun seat drops, and lifting welding gun seat corresponds to nut screw and is threaded, and lifting motor rotating shaft drives nut screw rotation, so as to realize
The lifting of welding gun seat is lifted, rises for protection lifting welding gun seat is stable, sets the axis of guide and base, the axis of guide to be fixed on base
And through lifting welding gun seat, automatically controlled to realize, controller, the speed that lifting motor rotating shaft rotates every time are connected for lifting motor
Degree and revolution can be set by controller, so control grease chamber welding gun lifting speed and lifting travel, the parameter according to
The actual parameter of institute's welding product determines, lifting motor preferred servomotor, in order to realize the complete of fin and grease chamber weld seam
U.S.'s welding, grease chamber welding gun use L-shaped welding gun, and grease chamber welding gun pipette tips are welded perpendicular to fin and grease chamber seam to it.
Fin both ends grease chamber welds simultaneously in the second step, respectively using a pair of grease chamber welding guns, fin both ends grease chamber
Weld simultaneously, improve welding efficiency, save weld interval.
Seam welding gun is fixed also by lifting assembly in 3rd step, after grease chamber and fin has been welded, by grease chamber
Welding gun is replaced by the welding that seam welding gun is attached plate and main flow siphunculus linear joint, and seam welding gun uses yi word pattern welding gun,
During welding, welding gun pipette tips alignment connecting plate and major flow tube seam.
Circular arc rotary welding gun is fixed on turntable in 4th step, and turntable connection machine shaft, motor, which is embedded in, to be turned
Platform bottom, the seam that rotary welding gun is screwed between two panels adjacent connection plates under the drive of turntable, to two pieces of adjacent connection plates it
Between seam welded because connecting plate is arc, using circular arc rotary welding gun, make perfect between welding gun and seam
Agree with, lift welding quality;Motor is fixed on lifting platform, and nut screw and the axis of guide are right on lifting platform also through lifting platform
Nut screw is answered to be threaded, lifting platform can realize that rotary welding gun lifts under the drive of nut screw, thus complete all
The welding of connecting plate seam, is automatically controlled to realize, can be by servomotor and motor connection controller, the lifting speed of lifting platform
Degree and stroke can be set by controller, and the rotary speed and angle of machine shaft can also be controlled by controller
System, and then lifting speed, lifting travel and the anglec of rotation of rotary welding gun are controlled, the parameter is according to the actual ginseng of institute's welding product
Count to determine.
A variety of welding manners can be used in above-mentioned welding process, for example, gas shielded arc welding, argon arc welding and two protect weldering and it is more
Kind mode mixes welding etc..
Compared with prior art, the invention has the advantages that:
The present invention provides a kind of transformer heat sink, and simple in construction, securely and reliably, good airproof performance, radiating rate is fast, main flow
Mounting flange on siphunculus is connected with the flange of transformer store oil main body connector, and then is communicated with connecing transformer oil pipe, becomes
Depressor conduction oil enters grease chamber by main flow siphunculus and connecting plate oil leaking hole, then flows into fin, and fin is included by radiating
The vertical passage and radiating fin that section bar is formed, vertical passage and radiating fin are structure as a whole, the preferred aluminium alloy of heat sink section bar,
Conduction oil heat obtains quick release by fin;The production technology of transformer heat sink, convenient and swift, the transformer of production
Heat sink good airproof performance, service life length, full welding process can be realized and automatically controlled, and save manpower, reduce labor intensity.
Brief description of the drawings
Fig. 1 is transformer cooling plate structure schematic diagram.
Fig. 2 is that embodiment 2 welds total figure.
Fig. 3 is the rotary welding gun of embodiment 2 welding profile.
Fig. 4 is the grease chamber welding gun of embodiment 2 welding sketch.
In figure:1st, fin;2nd, main flow siphunculus;3rd, radiating fin;4th, grease chamber;5th, connecting plate;6th, grease chamber welding gun;7th, seam
Welding gun;8th, rotary welding gun;9th, the axis of guide;10th, nut screw;11st, welding gun seat is lifted;12nd, turntable;13rd, base;14th, lifting platform.
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings:
Embodiment 1:
As shown in figure 1, transformer heat sink of the present invention, including fin 1 and main flow siphunculus 2, the fin 1 wrap
The vertical passage formed by heat sink section bar and radiating fin 3 are included, vertical passage and radiating fin 3 are structure as a whole, the main flow
The one end of siphunculus 2 seals, and the other end is welded and fixed flange, and the both ends of fin 1 are fixedly connected with grease chamber 4, and grease chamber 4 connects simultaneously
Fishplate bar 5, the corresponding connecting plate 5 of grease chamber 4 set groove, and grease chamber 4, connecting plate 5 and main flow siphunculus 2 sequentially weld together, connecting plate 5
Oil leaking hole is correspondingly arranged on centre position and main flow siphunculus 2.
Wherein, connecting plate 5 is set to arc, is adapted with the arcwall face of main flow siphunculus 2, and both are bonded completely after welding, and seals
Property is good;Main flow siphunculus 2 is provided with fuel outlet valve and vent valve, and conduction oil in the releasable fin 1 of fuel outlet valve, vent valve releasably dissipates
The pressed gas accumulated in backing 1, so as to realize vacuum in oil pipe, ensure the trafficability performance of conduction oil, fuel outlet valve is arranged on master
The top of runner pipe 2, vent valve are arranged on the bottom of main flow siphunculus 2;Fin 1 is provided with hoisting ring, convenient that it is carried out to lift admittedly
It is fixed.
The present invention in use, the mounting flange on main flow siphunculus 2 is connected with the flange of transformer store oil main body connector,
And then communicated with connecing transformer oil pipe, transformer conduction oil enters grease chamber 4 by main flow siphunculus 2 and the oil leaking hole of connecting plate 5, then
Fin 1 is flowed into, fin 1 includes the vertical passage and radiating fin 3, vertical passage and radiating fin formed by heat sink section bar
3 are structure as a whole, the preferred aluminium alloy of heat sink section bar, an extrusion forming, and conduction oil heat obtains fast quick-release by fin 1
Put.
Embodiment 2:
The present embodiment provides a kind of transformer radiating board production technology, the structure with reference to shown in Fig. 2-4, comprises the following steps:
The first step, connecting plate 5 and grease chamber 4 are welded together;
Second step, grease chamber 4 and fin 1 are welded together by grease chamber welding gun 6, grease chamber welding gun 6 passes through lifting assembly
It is fixed;
3rd step, the connecting plate 5 being welded, grease chamber 4 and the component of fin 1 are sequentially arranged and are attached on main flow siphunculus 2,
Each connecting plate 5 is arranged in a straight line, and the straight edge of plate 5 is welded to connect by seam welding gun 7;
4th step, the space that circular arc rotary welding gun 8 is screwed between abutting fins 1, is welded to connect plate 5 and connecting plate 5
Between arc shaped slits.
Wherein, the first step is welded to connect the seam between plate 5 and grease chamber 4, and the step is completed by common welding gun;The
Two steps using a pair of grease chamber welding guns 6 from top to bottom or by lower and lower welding 4 liang of side seams of fin 1 and grease chamber, grease chamber weldering simultaneously
The lifting of rifle 6 is driven by lifting assembly, during welding, 4 liang of side seams synchronous weldings of fin 1 and grease chamber, is improved welding efficiency, is saved
Weld interval is saved, lifting assembly includes lifting motor, and lifting motor rotating shaft is fixedly connected with nut screw 10, corresponding grease chamber welding gun
6 set lifting welding gun seat 11, and 11 corresponding nut screw 10 of lifting welding gun seat is threaded, and lifting motor rotating shaft drives nut screw
10 rotations, so as to realize the lifting of lifting welding gun seat 11, rise for protection lifting welding gun seat 11 is stable, the axis of guide 9 and bottom are set
Seat 13, the axis of guide 9 are fixed on base 13 and through lifting welding gun seat 11, automatically controlled to realize, for lifting motor connection control
Device processed, the speed and revolution that lifting motor rotating shaft rotates every time can be set by controller, and then control grease chamber welding gun 6
Lifting speed and lifting travel, the parameter determine according to the actual parameter of institute's welding product, the preferred servomotor of lifting motor,
In order to realize the perfect welding of fin 1 and the weld seam of grease chamber 4, grease chamber welding gun 6 uses L-shaped welding gun, the pipette tips of grease chamber welding gun 6 perpendicular to
Fin 1 and the seam of grease chamber 4 are welded to it;The both ends grease chamber 4 of fin 1 welds simultaneously in second step, respectively using a pair of oil
Room welding gun 6, the both ends grease chamber 4 of fin 1 weld simultaneously, improve welding efficiency, save weld interval.
Seam welding gun 7 is fixed also by lifting assembly in 3rd step, and after grease chamber 4 and fin 1 has been welded, grease chamber is welded
Rifle 6 is replaced by the welding that seam welding gun 7 is attached plate 5 and the linear joint of main flow siphunculus 2, and seam welding gun 7 is welded using yi word pattern
Rifle, during welding, welding gun pipette tips alignment connecting plate 5 and the seam of main flow siphunculus 2.
Circular arc rotary welding gun 8 is fixed on turntable 12 in 4th step, and turntable 12 connects machine shaft, and motor, which is embedded in, to be turned
The bottom of platform 12, the seam that rotary welding gun 8 is screwed between two panels adjacent connection plates 5 under the drive of turntable 12, to two pieces of adjacent companies
Seam between fishplate bar 5 is welded, because connecting plate 5 is arc, using circular arc rotary welding gun 8, makes welding gun with connecing
Perfection agrees between seam, lifts welding quality;Motor is fixed on lifting platform 14, and nut screw 10 and the axis of guide 9 are also through liter
Platform 14 drops, and corresponding to nut screw 10 on lifting platform 14 is threaded, and lifting platform 14 can be realized under the drive of nut screw 10
Rotary welding gun 8 lifts, and thus completes the welding of all seams of connecting plate 5, is automatically controlled to realize, can be by servomotor and electricity
Machine connects controller, and the lifting speed and stroke of lifting platform 14 can be set by controller, the rotary speed of machine shaft
And angle can also be controlled by controller, and then control lifting speed, lifting travel and the anglec of rotation of rotary welding gun 8
Degree, the parameter determine according to the actual parameter of institute's welding product.
A variety of welding manners can be used in above-mentioned welding process, for example, gas shielded arc welding, argon arc welding and two protect weldering and it is more
Kind mode mixes welding etc..