CN118385863A - Intelligent welding device and method for radiating fins of oil immersed transformer - Google Patents
Intelligent welding device and method for radiating fins of oil immersed transformer Download PDFInfo
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- CN118385863A CN118385863A CN202410828941.8A CN202410828941A CN118385863A CN 118385863 A CN118385863 A CN 118385863A CN 202410828941 A CN202410828941 A CN 202410828941A CN 118385863 A CN118385863 A CN 118385863A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/14—Heat exchangers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
本发明涉及一种油浸式变压器散热片智能焊接装置，包括安装座；承托组件，其横向架设于安装座的竖直部内侧面之间；卡位组件，其用于对竖直排列设置于集油管上的多个散热片进行等间距卡位；两个回转机构，其分别对称设置于安装座的竖直部上，且位于承托组件的端部下方；横移机构，其横向设置于两个回转机构之间，其通过回转机构带动而围绕承托组件做弧线转动；焊接组件，其纵向设置于横移机构上，并随之同步转动，焊接组件通过横移机构带动而沿着安装座的水平部长边方向横向定位移动。本发明还涉及一种油浸式变压器散热片智能焊接方法，包括上述焊接装置；本发明可对集油管上多个散热片进行连续短弧焊接作业，提高了焊接效率，保证了焊缝的质量。
The present invention relates to an intelligent welding device for oil-immersed transformer heat sinks, comprising a mounting seat; a supporting assembly, which is horizontally mounted between the inner side surfaces of the vertical portion of the mounting seat; a positioning assembly, which is used to position multiple heat sinks arranged vertically on an oil collecting pipe at equal intervals; two rotating mechanisms, which are symmetrically arranged on the vertical portion of the mounting seat and located below the end of the supporting assembly; a transverse movement mechanism, which is horizontally arranged between the two rotating mechanisms, and is driven by the rotating mechanism to make an arc rotation around the supporting assembly; a welding assembly, which is longitudinally arranged on the transverse movement mechanism and rotates synchronously therewith, and the welding assembly is driven by the transverse movement mechanism to be laterally positioned and moved along the horizontal long side direction of the mounting seat. The present invention also relates to an intelligent welding method for oil-immersed transformer heat sinks, comprising the above-mentioned welding device; the present invention can perform continuous short arc welding operations on multiple heat sinks on an oil collecting pipe, thereby improving welding efficiency and ensuring the quality of welds.
Description
Technical Field
The invention belongs to the technical field of transformer processing, and particularly relates to an intelligent welding device and method for radiating fins of an oil-immersed transformer.
Background
The power transformer has very important roles in a power system, and not only can transform voltage so that electric energy can be safely and economically transmitted and distributed, but also can be used for adjusting parameters such as frequency, phase, voltage and the like of the system so as to meet various different requirements. The oil immersed transformer is a novel high-performance transformer with more reasonable structure and better performance, and is more suitable for urban and rural and industrial and mining enterprise power grid transformation. The oil immersed transformer can produce certain heat at the during operation, increases transformer and external area of contact through a plurality of fin that communicate the setting on the oil collecting pipe, accelerates thermal transfer, gives external environment with the heat transfer that the transformer inside produced to reduce the temperature of transformer. The transformer can avoid accidents caused by overheat of the transformer, reduce the ageing of insulating materials in the transformer and prolong the service life of the transformer.
However, the radiating fin of the oil immersed transformer and the oil collecting pipes at the two ends of the radiating fin are usually welded by adopting a manual mode, so that a skilled welder is needed to be employed, and the production cost is relatively high; limited by the technical level and working state of welders, the welding quality is possibly unstable, and welding defects are easy to occur; the manual welding requires a welder to keep a fixed posture for a long time, which is easy to cause fatigue and affects the working efficiency; the manual welding also easily causes dislocation of the radiating fins or inclination of the oil collecting pipe; in addition, the distance between adjacent cooling fins is smaller, the manual welding difficulty is high, and the welding gun is often required to be manually carried to shift back and forth or turn over the cooling fins to ensure the angle and the position during welding, so that the labor intensity is high, and the working efficiency is low.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides an intelligent welding device and method for radiating fins of an oil-immersed transformer, and the specific technical scheme is as follows:
The invention provides an intelligent welding device for radiating fins of an oil immersed transformer, which is used for continuously welding a plurality of radiating fins in the transformer with oil collecting pipes at two ends of the radiating fins; the device comprises
The mounting seat is of a right-angle U-shaped structure;
The bearing component is used for bearing the oil collecting pipe which is horizontally arranged, and is transversely erected between the inner side faces of the vertical parts of the mounting seat;
the clamping assembly is used for clamping a plurality of radiating fins arranged on the oil collecting pipe in a vertical arrangement mode at equal intervals;
The two slewing mechanisms are respectively and symmetrically arranged on the vertical part of the mounting seat, and the slewing mechanisms are positioned below the end parts of the bearing assembly;
the transverse moving mechanism is transversely arranged between the two slewing mechanisms, and is driven by the slewing mechanisms to rotate around the bearing assembly in an arc manner;
And the welding assembly is longitudinally arranged on the transverse moving mechanism and synchronously rotates along with the transverse moving mechanism, and is driven by the transverse moving mechanism to transversely position and move along the long side direction of the horizontal part of the mounting seat.
As a preferable technical scheme of the invention, the bearing assembly comprises a horizontal supporting plate, wherein two ends of the horizontal supporting plate are respectively integrally and vertically symmetrically connected with a sinking plate with an inverted L-shaped structure, and the end surface of the sinking plate is vertically connected with the inner side surface of the vertical part corresponding to the mounting seat; the top surface of the transverse supporting plate is vertically connected with at least three fixed supporting blocks at equal intervals along the long side direction of the transverse supporting plate, a semicircular short groove is formed in the middle of the top surface of the fixed supporting block in a penetrating mode, and the inner arc degree of the semicircular short groove is identical to the outer arc degree of the oil collecting pipe.
As a preferable technical scheme of the invention, the clamping component comprises two pillow supporting plates which are horizontally and oppositely arranged, the end parts of the pillow supporting plates are respectively connected with the piston ends of lifting cylinders which are vertically and oppositely arranged on the top surfaces of the corresponding installation seats, a central clamping plate which is positioned right above the cross brace plates is horizontally erected between the middle parts of the two pillow supporting plates, the bottom surfaces of the central clamping plates are communicated with semicircular long grooves along the long side directions of the central clamping plates, and the inner radian of the semicircular long grooves is the same as the outer radian of the oil collecting pipes; an edge support plate is respectively and horizontally and symmetrically arranged between the end parts of the two pillow support plates, a plurality of righting clamping grooves are respectively and vertically and symmetrically connected with the bottom surfaces of the two edge support plates along the long side direction at equal intervals, and the righting clamping grooves are longitudinally and clearance fit and clamped with the shoulder parts of the corresponding radiating fin ends; the central clamping plate and the end face protruding parts of the two side support plates are respectively in threaded connection and fixation with the top surfaces of the corresponding pillow support plates through fastening bolts.
As a preferable technical scheme of the invention, the swing mechanism comprises a swing rod, the top of the swing rod is positioned right below the corresponding sinking plate and is vertically and rotatably connected with a power output shaft of a first servo motor arranged on the outer side face of the vertical part of the mounting seat, the bottom of the swing rod is integrally and radially connected with an end support plate, the middle part of the inner vertical face of the end support plate is vertically connected with a guide support block, the guide support block is in sliding fit and clamping connection with a circular arc-shaped travel hole penetrating through the vertical part corresponding to the mounting seat, and the circle center of the travel hole and the top end of the swing rod are positioned at the same position.
As a preferable technical scheme of the invention, the transverse moving mechanism is transversely erected between the end supporting plates of the two slewing mechanisms; the transverse moving mechanism comprises a moving bracket with a cylindrical structure, a screw hole and two through holes are formed between the end faces of the moving bracket at equal intervals in the circumferential direction, a screw rod is in driving screw connection in the screw hole, one end of the screw rod is in vertical rotation connection with the corresponding end support plate, the other end of the screw rod continuously penetrates through the corresponding end support plate and the corresponding guide support block in a clearance manner, and the screw rod is axially connected with a power output end of a second servo motor fixedly arranged on the outer end face of the guide support block; guide rods are respectively and slidably arranged in the two through holes, and the end faces of the guide rods are respectively and vertically fixedly connected with the corresponding end supporting plates; and an inclined stay bar is obliquely arranged on the outer peripheral surface of the moving bracket, and the end part of the inclined stay bar is provided with the welding assembly.
As a preferable technical scheme of the invention, the welding assembly comprises an adjusting rod, one end part of the adjusting rod is fixedly connected with the end part of the diagonal brace in a threaded manner through a transversely penetrating locking bolt, and the other end part of the adjusting rod is integrally connected with a bent pipe rack; the welding device comprises an adjusting rod, a welding hose, an arc-shaped groove, a welding gun head, a welding rod, a plurality of fixing buckles and a welding rod.
As a preferable technical scheme of the invention, the adjusting rod consists of a rotating section and a stretching section which are movably connected in a penetrating way, adjusting grooves are respectively formed in the penetrating ends of the rotating section and the stretching section in a penetrating way, and the two adjusting grooves are fastened and connected through at least one penetrating adjusting bolt; the outer end part of the rotating section of the adjusting rod is fixedly connected with the end part of the diagonal brace through the locking bolt in a threaded manner, and the outer end part of the stretching section of the adjusting rod is integrally connected with the bent pipe frame.
As a preferable technical scheme of the invention, a chute is vertically arranged inwards on the top surface of the transverse supporting plate, at least four movable supporting components are transversely clamped in the chute in a sliding way, and the movable supporting components and the fixed supporting blocks are alternately arranged along the long side direction of the transverse supporting plate;
The movable support assembly comprises an inverted T-shaped sliding support rod, the bottom of the sliding support rod is connected with the sliding chute in a transversely sliding fit manner, a plurality of positioning holes are formed in the two side walls of the sliding chute in an equidistant and vertical penetrating manner along the long side direction of the transverse support plate, and the bottom of the sliding support rod is fixedly connected with the corresponding positioning holes through positioning bolts in a threaded manner; the top of the sliding supporting rod is integrally and radially connected with " The supporting hoop and the semicircular short groove of the fixed supporting block are positioned on the same level, and the inner arc degrees of the supporting hoop and the semicircular short groove are the same; the top of the supporting hoop can be also connected with a locking hoop matched with the supporting hoop in a threaded manner.
As a preferable technical scheme of the invention, the first servo motor, the second servo motor and the welding gun head are all monitored and controlled to be in respective running states through an external PLC intelligent monitoring system.
The invention also provides an intelligent welding method for the radiating fins of the oil-immersed transformer, which comprises the intelligent welding device for the radiating fins of the oil-immersed transformer, and the intelligent welding method comprises the following steps:
step S1, fixing the oil collecting pipe and a plurality of cooling fins
Firstly, fixing an oil collecting pipe on a bearing assembly, then vertically clamping a plurality of cooling fins on the oil collecting pipe at equal intervals through a clamping assembly, and enabling arc-shaped welding gaskets at the end parts of adjacent cooling fins to be in gap abutting connection;
s2, welding the oil collecting pipe and the plurality of radiating fins
Firstly, rotating a welding assembly to the top point of the edge of a welding gasket at a position to be welded through a rotating mechanism, then continuously rotating the welding assembly to the bottom point of the edge of the welding gasket along the initial direction, synchronously implementing welding operation, stopping the welding operation, reversely resetting and rotating the welding assembly to the top point of the edge of the welding gasket, and continuously reversely rotating the welding assembly to the other bottom point of the edge of the welding gasket; and finally, the assembly to be welded rotates to a position lower than the radiating fins, and then is driven to move to the next position to be welded by the transverse moving mechanism, and the welding operation is repeated.
The invention has the beneficial effects that;
The intelligent welding device for the radiating fins of the oil immersed transformer adopts automatic welding equipment to replace the traditional manual welding mode, has relatively low production cost, is not easy to generate welding defects, and effectively improves the working efficiency; in the device, the supporting component and the clamping component are matched up and down in a clamping way to vertically arrange and clamp and fix the plurality of radiating fins on the oil collecting pipe at equal intervals, so that the radiating fins and the oil collecting pipes on two sides of the radiating fins are conveniently welded by the welding component, and the radiating fins are prevented from being misplaced or the oil collecting pipes are prevented from being inclined during welding; the rotating mechanism and the traversing mechanism are matched with the welding assembly, the traversing mechanism is driven by the rotating mechanism to rotate in an arc manner, so that the welding assembly on the traversing mechanism can rotate in an arc manner and carry out short arc welding on the radiating fins on the oil collecting pipe, the quality of a welding seam is guaranteed, after one radiating fin is welded, the welding assembly is horizontally moved to the position to be welded at the next position through the traversing mechanism to carry out welding, the continuous welding operation of the welding device on a plurality of radiating fins on the oil collecting pipe is realized, the welding work efficiency is improved, and the quality of a welding seam is guaranteed.
Drawings
Fig. 1 shows a schematic diagram of the whole structure of an intelligent welding device for a radiating fin of a transformer;
Figure 2 shows a schematic view of the construction of the support assembly of the present invention;
FIG. 3 is a schematic view showing the structure of the detent assembly of the present invention;
FIG. 4 is a schematic view showing the structure of the slewing mechanism and the traversing mechanism assembled on the mounting base in the present invention;
FIG. 5 shows a side view of the structure of the welding assembly of the present invention mounted on a moving bracket;
FIG. 6 is a schematic diagram showing the welding track of the heat sink and the oil collecting pipe in the invention;
FIG. 7 is a schematic diagram showing the structure of the heat sink after being welded with the oil collecting pipes at two ends of the heat sink;
FIG. 8 is a schematic diagram (I) showing the operation of the intelligent welding device for the radiating fins of the transformer;
FIG. 9 shows an operational illustration (II) of the intelligent welding device for the radiating fins of the transformer of the present invention;
fig. 10 shows a flow chart of the intelligent welding method of the radiating fin of the transformer.
The figure shows: 1. a mounting base; 11. a travel hole; 2. a support assembly; 21. a cross bracing plate; 211. a sinking plate; 212. a chute; 2121. positioning holes; 2122. positioning bolts; 22. a fixed support block; 23. a movable support assembly; 231. a sliding stay bar; 232. a support hoop; 2321. a locking band; 3. a clamping assembly; 31. pillow support plate; 311. a fastening bolt; 32. a central clamping plate; 33. an edge support plate; 331. a positive clamping groove; 4. a slewing mechanism; 41. swing rod; 411. a first servo motor; 42. an end support plate; 43. a guide support block; 5. a traversing mechanism; 51. moving the bracket; 511. a screw hole; 512. a through hole; 52. a diagonal brace; 521. a locking bolt; 53. a screw rod; 531. a second servo motor; 54. a guide rod; 6. welding the assembly; 61. an adjusting rod; 611. a rotating section; 6111. an adjusting bolt; 612. a stretching section; 6121. an adjustment tank; 62. a bent pipe rack; 621. an arc-shaped groove; 63. welding a hose; 631. a welding gun head; 632. a fixing buckle; 7. a lifting cylinder; 8. a heat sink; 81. welding a gasket; 9. and an oil collecting pipe.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Examples
In order to solve the technical problem in the background art, an intelligent welding device for radiating fins of an oil-immersed transformer is provided as follows:
referring to fig. 1,6 and 7, an intelligent welding device for radiating fins of an oil immersed transformer is used for continuously welding a plurality of radiating fins 8 and oil collecting pipes 9 at two ends of the radiating fins in the transformer; the device comprises
The mounting seat 1 is of a right-angle U-shaped structure;
A supporting component 2 for supporting the oil collecting pipe 9 horizontally arranged, wherein the supporting component 2 is transversely arranged between the inner side surfaces of the vertical parts of the mounting seat 1;
a clamping component 3 for clamping the plurality of radiating fins 8 arranged on the oil collecting pipe 9 at equal intervals;
Two slewing mechanisms 4 which are respectively and symmetrically arranged on the vertical part of the mounting seat 1, wherein the slewing mechanisms 4 are positioned below the end parts of the bearing assembly 2;
a traversing mechanism 5 transversely arranged between the two slewing mechanisms 4, wherein the traversing mechanism 5 is driven by the slewing mechanisms 4 to do arc rotation around the bearing assembly 2;
And the welding component 6 is longitudinally arranged on the transverse moving mechanism 5 and synchronously rotates along with the transverse moving mechanism, and the welding component 6 is driven by the transverse moving mechanism 5 to transversely position and move along the long side direction of the horizontal part of the mounting seat 1.
By adopting the technical scheme, the device adopts automatic welding equipment to replace the traditional manual welding mode, the production cost is relatively low, the welding defect is not easy to occur, and the working efficiency is effectively improved; in the device, the supporting component 2 and the clamping component 3 are matched in an up-down clamping way, a plurality of radiating fins 8 are vertically arranged at equal intervals and clamped and fixed on the oil collecting pipe 9, so that the radiating fins 8 and the oil collecting pipes 9 on the two sides of the radiating fins are conveniently welded by the welding component 6, and the radiating fins 8 are prevented from misplacement or the oil collecting pipes 9 are prevented from tilting during welding; the slewing mechanism 4 and the traversing mechanism 5 are matched with the welding assembly 6, the traversing mechanism 5 is driven by the slewing mechanism 4 to rotate in an arc manner, so that the welding assembly 6 on the traversing mechanism 5 can rotate in an arc manner and carry out short arc welding on the cooling fins 8 on the oil collecting pipe 9, the quality of welding seams is guaranteed, after one cooling fin 8 is welded, the welding assembly 6 is horizontally moved to the next position to be welded for welding through the traversing mechanism 5, the continuous welding operation of the welding device on the cooling fins 8 on the oil collecting pipe 9 is realized, the welding work efficiency is improved, and the quality of the welding seams is guaranteed.
Examples
As shown in fig. 1 to 9, on the basis of the above embodiment, the present embodiment further provides the following:
As shown in fig. 1,2, 8 and 9, in this embodiment, the support assembly 2 includes a horizontal cross-bracing plate 21, two ends of the cross-bracing plate 21 are respectively integrally and vertically symmetrically connected with a sinking plate 211 with an inverted L-shaped structure, and an end surface of the sinking plate 211 is vertically connected with an inner side surface of a vertical portion corresponding to the mounting seat 1; the top surface of the transverse supporting plate 21 is vertically connected with at least three fixed supporting blocks 22 at equal intervals along the long side direction, a semicircular short groove is formed in the middle of the top surface of the fixed supporting blocks 22 in a penetrating mode, and the inner arc degree of the semicircular short groove is identical to the outer arc degree of the oil collecting pipe 9.
By adopting the technical scheme, the plurality of fixed supporting blocks 22 arranged on the transverse supporting plate 21 of the bearing assembly 2 are attached to the outer radian of the oil collecting pipe 9 through the inner radian of the semicircular short groove on the fixed supporting blocks to reliably support the oil collecting pipe 9, so that the welding assembly 6 is convenient for welding the radiating fins 8 on the oil collecting pipe 9; the inverted L-shaped sinking plates 211 are arranged at the two ends of the transverse supporting plate 21, so that the rotation mechanism 4 below the sinking plates 211 can conveniently perform arc motion along the inner side surface of the mounting seat 1, and the rotation track of the welding assembly 6 can be attached to the welding seam.
As shown in fig. 1,3, 8 and 9, the clamping assembly 3 includes two horizontally opposite pillow supporting plates 31, the ends of the pillow supporting plates 31 are respectively connected with piston ends of lifting cylinders 7 vertically opposite to the top surface of the mounting seat 1, a central clamping plate 32 located right above the cross brace 21 is horizontally erected between the middle parts of the two pillow supporting plates 31, a semicircular long groove is formed in the bottom surface of the central clamping plate 32 in a penetrating manner along the long side direction of the central clamping plate, and the inner radian of the semicircular long groove is the same as the outer radian of the oil collecting pipe 9; an edge support plate 33 is respectively and horizontally and symmetrically arranged between the end parts of the two pillow support plates 31, a plurality of righting clamping grooves 331 are respectively and vertically and symmetrically connected to the bottom surfaces of the two edge support plates 33 along the long side direction at equal intervals, and the righting clamping grooves 331 are longitudinally and clearance fit and clamped with the end shoulder parts of the corresponding radiating fins 8; the central clamping plate 32 and the end surface protruding parts of the two side supporting plates 33 are respectively screwed and fixed with the top surfaces of the pillow supporting plates 31 through fastening bolts 311.
By adopting the technical scheme, the semicircular long grooves formed in the bottom surface of the central clamping plate 32 and the fixed supporting blocks 22 are clamped and fixed up and down by the oil collecting pipes 9 positioned at the upper end and the lower end of the cooling fins 8, the cooling plates are clamped and fixed at equal intervals by the plurality of righting clamping grooves 331 formed in the bottom surfaces of the two side supporting plates 33, so that the cooling fins 8 which are arranged at equal intervals by the welding assembly 6 are welded conveniently, and the cooling fins 8 do not need to be supported manually; the end surface protruding parts of the central clamping plate 32 and the two side supporting plates 33 are in threaded connection and fixed with the top surface of the pillow supporting plate 31 through fastening bolts 311, so that the matched central clamping plate 32 and the side supporting plates 33 can be replaced according to the sizes of the oil collecting pipe 9 and the cooling fins 8 to clamp and fix the oil collecting pipe 9 and the cooling fins 8 conveniently; the lifting cylinder 7 not only can be convenient for clamping and separating the radiating fins 8 and the oil collecting pipes 9, but also can adjust the spacing between the fixed supporting block 22 and the central clamping plate 32 according to the length of the radiating fins 8.
As shown in fig. 1,2, 8 and 9, a chute 212 is vertically formed in the top surface of the cross support plate 21, at least four movable support assemblies 23 are slidably clamped in the chute 212, and the movable support assemblies 23 and the fixed support blocks 22 are alternately arranged along the long side direction of the cross support plate 21;
The movable supporting assembly 23 comprises an inverted T-shaped sliding supporting rod 231, the bottom of the sliding supporting rod 231 is connected with the sliding groove 212 in a transversely sliding fit manner, a plurality of positioning holes 2121 are vertically formed in the two side walls of the sliding groove 212 in an equidistant and perpendicular manner along the long side direction of the transverse supporting plate 21, and the bottom of the sliding supporting rod 231 is fixedly connected with the corresponding positioning holes 2121 in a threaded manner through positioning bolts 2122 matched with the positioning holes; the top of the sliding stay bar 231 is integrally and radially connected with " A 'supporting hoop 232', wherein the supporting hoop 232 and the semicircular short groove of the fixed supporting block 22 are positioned on the same level, and the inner arc degree of the two is the same; the top of the support band 232 may also be threaded with a locking band 2321 adapted thereto.
Through adopting above-mentioned technical scheme, can be according to waiting to weld two in the cross bracing plate 21 move and prop the subassembly 23 and will move and prop the subassembly 23 and fix in oil collecting pipe 9 both ends through positioning bolt 2122 and the locating hole 2121 spiro union that corresponds, will move again and prop the locking hoop 2321 on the subassembly 23 and prop the hoop 232 spiro union and will collect oil pipe 9 lock hoop and prop the subassembly 23 on moving, oil collecting pipe 9 rotation when avoiding welding.
Examples
As shown in fig. 1 to 9, on the basis of the above embodiment, the present embodiment further provides the following:
As shown in fig. 1,4, 8 and 9, in this embodiment, the swing mechanism 4 includes a swing rod 41, a top of the swing rod 41 is located right below the corresponding sinking plate 211 and is vertically and rotatably connected with a power output shaft of a first servo motor 411 disposed on an outer side surface of a vertical portion of the mounting seat 1, a bottom of the swing rod 41 is integrally and radially connected with an end support plate 42, a middle part of an inner vertical surface of the end support plate 42 is vertically connected with a guide support block 43, the guide support block 43 is slidably engaged with a circular arc-shaped travel hole 11 penetrating through a vertical portion of the corresponding mounting seat 1, and a center of the travel hole 11 and a top end of the swing rod 41 are located at the same position.
Through adopting above-mentioned technical scheme, the first servo motor 411 drives pendulum rod 41 and end fagging 42 in the rotation mechanism 4 that sets up and carries out the arc along seting up the travel hole 11 on the vertical portion of mount pad 1 and swing, the motion trail is directional controllable, guide the motion trail of pendulum rod 41 through leading support piece 43 and travel hole 11, provide horizontal support for pendulum rod 41, the stability of rotation mechanism 4 motion has been ensured, make wobbling process more steady, and the centre of a circle of travel hole 11 is in the same position with the top of pendulum rod 41, can make the sideslip mechanism 5 between two rotation mechanisms 4 can be around the circular motion of cross fagging 21 like this, make welding assembly 6's rotation trail and welding seam more laminate on the sideslip mechanism 5.
As shown in fig. 1,4, 5, 8 and 9, the traversing mechanism 5 is transversely erected between the end supporting plates 42 of the two slewing mechanisms 4; the traversing mechanism 5 comprises a traversing bracket 51 with a cylindrical structure, a screw hole 511 and two through holes 512 are formed between the end surfaces of the traversing bracket 51 at equal intervals in the circumferential direction, a screw rod 53 is in driving screw connection in the screw hole 511, one end of the screw rod 53 is in vertical rotation connection with the corresponding end supporting plate 42, the other end of the screw rod 53 continuously penetrates through the corresponding end supporting plate 42 and the corresponding guide supporting block 43 in a clearance way, and is axially connected with the power output end of a second servo motor 531 fixedly arranged on the outer end surface of the guide supporting block 43; guide rods 54 are respectively and slidably arranged in the two through holes 512, and the end surfaces of the guide rods 54 are respectively and vertically fixedly connected with the corresponding end supporting plates 42; an inclined stay 52 is provided on the outer peripheral surface of the moving bracket 51 in an inclined manner, and the welding unit 6 is provided at the end of the inclined stay 52.
By adopting the technical scheme, the arranged traversing mechanism 5 rotates around the transverse supporting plate 21 under the drive of the two slewing mechanisms 4, the rotating process is more stable, the moving bracket 51 of the traversing mechanism 5 is matched with the screw rod 53 and the guide rod 54, so that the moving bracket is positioned and traversed on the screw rod 53 under the action of the second servo motor 531, the welding assembly 6 on the moving bracket is convenient to move to the position where the next position needs to be welded, and the welding device is favorable for carrying out continuous welding operation on the radiating fins 8; the inclined struts 52 facilitate the welding of the heat sink 8 by the welding assembly 6 thereon along an arcuate path.
As shown in fig. 5, the welding assembly 6 includes an adjusting rod 61, one end of the adjusting rod 61 is screwed and fixed with the end of the diagonal brace 52 by a locking bolt 521 penetrating transversely, and the other end of the adjusting rod is integrally connected with a bent pipe frame 62; the top surface of the adjusting rod 61 is detachably fastened with a welding hose 63 through a plurality of fixing buckles 632 which are vertically arranged, the free end of the welding hose 63 is in interference clamping fit with an arc groove 621 formed in the top surface of the bent pipe frame 62 in a circumferential direction, and the welding hose 63 penetrates through the end surface of the arc groove 621 to be axially connected with a welding gun head 631.
By adopting the technical scheme, the end parts of the adjusting rod 61 and the inclined stay rod 52 in the welding assembly 6 are fixedly connected by the locking bolt 521 in a threaded manner, so that the angle between the adjusting rod 61 and the inclined stay rod 52 can be adjusted according to actual conditions, the welding track of the welding gun head 631 on the bent pipe frame 62 at the end part of the adjusting rod 61 is more attached to the welding track of the radiating fin 8 on the oil collecting pipe 9, the welding quality is ensured, and the defect of a welding machine is avoided; the welding hose 63 is detachably fixed to the adjusting lever 61 by a plurality of fixing buckles 632, so that the welding hose 63 and the welding gun head 631 can be conveniently replaced and adjusted.
As shown in fig. 5, the adjusting rod 61 is formed by movably connecting a rotating section 611 and a stretching section 612 in a penetrating manner, and the connecting ends of the rotating section 611 and the stretching section 612 are respectively provided with an adjusting groove 6121 in a penetrating manner, and the two adjusting grooves 6121 are tightly connected through at least one penetrating adjusting bolt 6111; the outer end of the rotating section 611 of the adjusting rod 61 is fixedly connected with the end of the diagonal brace 52 in a threaded manner through the locking bolt 521, and the outer end of the stretching section 612 of the adjusting rod 61 is integrally connected with the bent pipe frame 62.
Through adopting above-mentioned technical scheme, adjust pole 61 by rotating section 611 and stretch section 612 activity cross-under setting to through adjusting bolt 6111 and adjustment tank 6121 cooperation, alright adjust the length of whole pole 61, so both applicable to the specification of multiple oil collecting pipe 9, can make welder head 631 paste more with the welding track of fin 8.
As shown in fig. 8 and 9, the first servo motor 411, the second servo motor 531 and the welding gun head 631 all monitor and control their respective operation states by an external PLC intelligent monitoring system.
By adopting the technical scheme, the PLC intelligent monitoring system is utilized to control the first servo motor 411 and the welding gun head 631, so that the slewing mechanism 4 drives the welding gun head 631 to perform arc welding from the top point to one side of the oil collecting pipe 9, then the welding gun head returns to the top point to perform arc welding to the other side of the oil collecting pipe 9, the quality of a welding joint is ensured, and the cooling fin 8 is welded in two sections to avoid the occurrence of incomplete welding joints or welding seam air holes; and the PLC intelligent monitoring system is used for controlling the second servo motor 531 to enable the welding head to transversely move a direct-downward part to be welded after one cooling fin 8 is welded until the welding of a plurality of cooling fins 8 on the oil collecting pipe 9 is completed, so that the intellectualization and automation of the welding device are ensured, the welding device does not need to be manually operated one by one, the time is saved, and the welding quality is ensured.
Examples
As shown in fig. 10, on the basis of the above embodiment, this embodiment further provides an intelligent welding method for a heat sink of an oil immersed transformer:
the method comprises the following steps:
step S1, fixing the oil collecting pipe 9 and the plurality of cooling fins 8
Firstly, fixing an oil collecting pipe 9 on a bearing assembly 2, then vertically clamping a plurality of cooling fins 8 on the oil collecting pipe 9 at equal intervals through a clamping assembly 3, and abutting arc-shaped welding gaskets 81 at the end parts of adjacent cooling fins 8 at intervals;
Step S2, welding the oil collecting pipe 9 and the plurality of cooling fins 8
Firstly, rotating a welding assembly 6 to the top point of the edge of a welding gasket 81 at a position to be welded through a slewing mechanism 4, then continuously rotating the welding assembly 6 to the bottom point of the edge of the welding gasket 81 along the initial direction, synchronously implementing welding operation, stopping the welding operation, reversely resetting the welding assembly 6 to rotate to the top point of the edge of the welding gasket 81, and continuously reversely rotating the welding assembly 6 to the other bottom point of the edge of the welding gasket 81; finally, the component 6 to be welded rotates to a position lower than the cooling fins 8, and then is driven to move to the next position to be welded by the traversing mechanism 5, and the welding operation is repeated.
Through adopting above-mentioned technical scheme, realize that welding set 6 carries out continuous welding to a plurality of fin 8 on the oil collecting pipe 9, and adopt segmentation short arc welded mode to single welded part, not only laminate welding set 6's orbit, and guaranteed the quality of welding seam, avoid appearing defects such as bubble, splash.
The working principle and the using flow of the invention are as follows:
Firstly, fixing an oil collecting pipe 9 on a bearing assembly 2, then adjusting movable supporting assemblies 23 at two ends of the oil collecting pipe 9, fixing on a transverse supporting plate 21 through a positioning bolt 2122 and corresponding positioning holes 2121 in a threaded manner, locking and fixing the oil collecting pipe 9 through locking hoops 2321 and supporting hoops 232 on the movable supporting assemblies 23 at two ends in an up-and-down threaded manner, lifting and adjusting a clamping assembly 3 through a lifting cylinder 7, and vertically clamping a plurality of radiating fins 8 on the oil collecting pipe 9 at equal intervals through the clamping assembly 3, so that arc-shaped welding gaskets 81 at the end parts of adjacent radiating fins 8 are in gap abutment; the first servo motor 411 is controlled to start by the PLC intelligent monitoring system, the welding assembly 6 rotates to the top position of the edge of the welding gasket 81 at the position to be welded through the slewing mechanism 4, then the welding assembly 6 continues to rotate to a bottom point of the edge of the welding gasket 81 along the initial direction, welding operation is synchronously implemented, then the welding operation is stopped, the welding assembly 6 reversely resets and rotates to the top point of the edge of the welding gasket 81, then the welding assembly 6 continues reversely and rotates to another bottom point of the edge of the welding gasket 81, at the moment, the welding assembly is positioned at the bottom of the supporting assembly 2, then the second servo motor 531 is started to enable the moving bracket 51 on the traversing mechanism 5 to drive the welding assembly 6 to transversely move to the next position to be welded until the welding of a plurality of cooling fins 8 on the oil collecting tube 9 is completed, then the welding piece of the plurality of cooling fins 8 and the oil collecting tube 9 is overturned up and down, another oil collecting tube 9 is placed on the supporting assembly 2, the cooling fins 8 on the welding piece are correspondingly and vertically clamped and fixedly on the other oil collecting tube 9 of the supporting assembly 2, and the upper cooling fin 9 and the lower cooling fin 8 and the cooling fin 8 are repeatedly clamped and fixedly operated through the supporting assembly 2 and the clamping assembly 3.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. An intelligent welding device for radiating fins of an oil immersed transformer is characterized in that: the device is used for continuously welding a plurality of radiating fins (8) and oil collecting pipes (9) at two ends of the radiating fins in the transformer; the device comprises
The mounting seat (1) is of a right-angle U-shaped structure;
A supporting component (2) for supporting the oil collecting pipe (9) horizontally arranged, wherein the supporting component (2) is transversely erected between the inner side surfaces of the vertical parts of the mounting seat (1);
a clamping component (3) for clamping a plurality of radiating fins (8) arranged on the oil collecting pipe (9) at equal intervals;
Two slewing mechanisms (4) which are respectively and symmetrically arranged on the vertical part of the mounting seat (1), wherein the slewing mechanisms (4) are positioned below the end parts of the bearing assembly (2);
The transverse moving mechanism (5) is transversely arranged between the two slewing mechanisms (4), and the transverse moving mechanism (5) is driven by the slewing mechanisms (4) to do arc rotation around the bearing assembly (2);
and the welding assembly (6) is longitudinally arranged on the transverse moving mechanism (5) and synchronously rotates along with the transverse moving mechanism, and the welding assembly (6) is driven by the transverse moving mechanism (5) to transversely position and move along the long side direction of the horizontal part of the mounting seat (1).
2. The intelligent welding device for radiating fins of oil-immersed transformer according to claim 1, wherein: the bearing assembly (2) comprises a horizontal supporting plate (21), wherein two ends of the horizontal supporting plate (21) are respectively integrally and vertically symmetrically connected with a sinking plate (211) with an inverted L-shaped structure, and the end face of the sinking plate (211) is vertically connected with the inner side face of the vertical part corresponding to the mounting seat (1); the top surface of the transverse supporting plate (21) is vertically connected with at least three fixed supporting blocks (22) at equal intervals along the long side direction of the transverse supporting plate, semicircular short grooves are formed in the middle of the top surface of the fixed supporting blocks (22) in a penetrating mode, and the inner arc degree of the semicircular short grooves is identical to the outer arc degree of the oil collecting pipe (9).
3. The intelligent welding device for radiating fins of oil-immersed transformer according to claim 2, wherein: the clamping assembly (3) comprises two pillow supporting plates (31) which are horizontally and oppositely arranged, the end parts of the pillow supporting plates (31) are respectively connected with piston ends of lifting cylinders (7) which are vertically and oppositely arranged on the top surfaces of the corresponding mounting seats (1), a central clamping plate (32) which is positioned right above the transverse supporting plates (21) is horizontally erected between the middle parts of the two pillow supporting plates (31), semicircular long grooves are formed in the bottom surface of the central clamping plate (32) in a penetrating mode along the long side direction of the central clamping plate, and the inner radian of each semicircular long groove is identical to the outer radian of the oil collecting pipe (9); an edge support plate (33) is horizontally and symmetrically arranged between the end parts of the two pillow support plates (31), a plurality of righting clamping grooves (331) are vertically and symmetrically connected to the bottom surfaces of the two edge support plates (33) at equal intervals along the long side direction of the two edge support plates, and the righting clamping grooves (331) are longitudinally and clearance fit and clamped with the shoulder parts of the corresponding radiating fins (8); the central clamping plate (32) and the end surface protruding parts of the two side support plates (33) are respectively in threaded connection and fixation with the top surfaces of the corresponding pillow support plates (31) through fastening bolts (311).
4. The intelligent welding device for radiating fins of oil-immersed transformer according to claim 2, wherein: the swing mechanism (4) comprises a swing rod (41), the top of the swing rod (41) is located under the corresponding sinking plate (211), the swing rod is vertically and rotatably connected with a power output shaft of a first servo motor (411) arranged on the outer side face of the vertical part of the mounting seat (1), an end supporting plate (42) is integrally and radially connected to the bottom of the swing rod, a guide supporting block (43) is vertically connected to the middle of the inner surface of the end supporting plate (42), and the guide supporting block (43) is in sliding fit joint with a circular arc-shaped travel hole (11) which is formed in the vertical part of the corresponding mounting seat (1) in a penetrating mode, and the circle center of the travel hole (11) and the top end of the swing rod (41) are located at the same position.
5. The intelligent welding device for radiating fins of an oil-immersed transformer according to claim 4, wherein: the transverse moving mechanism (5) is transversely erected between the end supporting plates (42) of the two rotary mechanisms (4); the transverse moving mechanism (5) comprises a moving bracket (51) with a cylindrical structure, a screw hole (511) and two through holes (512) are formed between the end faces of the moving bracket (51) at equal intervals in the circumferential direction, a screw rod (53) is in transmission screwing connection in the screw hole (511), one end of the screw rod (53) is in vertical rotation connection with the corresponding end support plate (42), the other end of the screw rod (53) continuously penetrates through the corresponding end support plate (42) and the guide support block (43) at a gap, and is in axial connection with a power output end of a second servo motor (531) fixedly arranged on the outer end face of the guide support block (43); guide rods (54) are respectively and slidably arranged in the two through holes (512), and the end faces of the guide rods (54) are respectively and vertically fixedly connected with the corresponding end supporting plates (42); an inclined stay (52) is obliquely arranged on the outer peripheral surface of the moving bracket (51), and the end part of the inclined stay (52) is provided with the welding assembly (6).
6. The intelligent welding device for radiating fins of an oil-immersed transformer according to claim 5, wherein: the welding assembly (6) comprises an adjusting rod (61), one end part of the adjusting rod (61) is fixedly connected with the end part of the diagonal brace (52) in a threaded manner through a transversely penetrating locking bolt (521), and the other end part of the adjusting rod is integrally connected with a bent pipe frame (62); the welding device is characterized in that the top surface of the adjusting rod (61) is detachably buckled with a welding hose (63) through a plurality of fixing buckles (632) which are vertically arranged, the free end of the welding hose (63) is in interference fit with an arc groove (621) formed in the top surface of the bent pipe frame (62) in a circumferential direction, and the welding hose (63) penetrates through the end surface of the arc groove (621) to be axially connected with a welding gun head (631).
7. The intelligent welding device for radiating fins of an oil-immersed transformer according to claim 6, wherein: the adjusting rod (61) is formed by movably connecting a rotating section (611) and a stretching section (612) in a penetrating way, adjusting grooves (6121) are respectively formed in the penetrating ends of the rotating section and the stretching section in a penetrating way, and the two adjusting grooves (6121) are tightly connected through at least one penetrating adjusting bolt (6111); the outer end part of the rotating section (611) of the adjusting rod (61) is fixedly connected with the end part of the diagonal brace (52) in a threaded manner through the locking bolt (521), and the outer end part of the stretching section (612) of the adjusting rod (61) is integrally connected with the bent pipe frame (62).
8. The intelligent welding device for radiating fins of oil-immersed transformer according to claim 2, wherein: a chute (212) is formed in the top surface of the transverse supporting plate (21) vertically inwards, at least four movable supporting components (23) are clamped in the chute (212) in a transverse sliding manner, and the movable supporting components (23) and the fixed supporting blocks (22) are alternately arranged along the long side direction of the transverse supporting plate (21);
the movable support assembly (23) comprises an inverted T-shaped sliding support rod (231), the bottom of the sliding support rod (231) is connected with the sliding chute (212) in a transversely sliding fit manner, a plurality of positioning holes (2121) are formed in the two side walls of the sliding chute (212) in an equidistant and perpendicular penetrating mode along the long side direction of the transverse support plate (21), and the bottom of the sliding support rod (231) is fixedly connected with the corresponding positioning holes (2121) in a threaded mode through positioning bolts (2122) matched with the positioning holes; the top of the sliding supporting rod (231) is integrally and radially connected with " The supporting hoop (232), the supporting hoop (232) and the semicircular short groove of the fixed supporting block (22) are positioned on the same level, and the inner arc degree of the supporting hoop and the semicircular short groove is the same; the top of the supporting hoop (232) can be also connected with a locking hoop (2321) matched with the supporting hoop in a threaded manner.
9. The intelligent welding device for radiating fins of an oil-immersed transformer according to claim 6, wherein: the first servo motor (411), the second servo motor (531) and the welding gun head (631) monitor and control the respective running states through an external PLC intelligent monitoring system.
10. An intelligent welding method for radiating fins of an oil-immersed transformer, which is characterized by comprising the following steps of:
Step S1, fixing the oil collecting pipe (9) and a plurality of cooling fins (8)
Firstly, fixing an oil collecting pipe (9) on a bearing assembly (2), then vertically clamping a plurality of radiating fins (8) on the oil collecting pipe (9) at equal intervals through a clamping component (3), and abutting arc-shaped welding gaskets (81) at the end parts of adjacent radiating fins (8) in a clearance way;
Step S2, welding the oil collecting pipe (9) and the plurality of radiating fins (8)
Firstly, rotating a welding assembly (6) to the edge vertex position of a welding gasket (81) at a position to be welded through a rotating mechanism (4), then continuously rotating the welding assembly (6) to a bottom point along the edge of the welding gasket (81) along the initial direction, synchronously implementing welding operation, stopping the welding operation, reversely resetting and rotating the welding assembly (6) to the edge vertex of the welding gasket (81), and continuously reversely rotating the welding assembly (6) to the other bottom point along the edge of the welding gasket (81); finally, the component (6) to be welded rotates to a position lower than the radiating fins (8), and then is driven to move to the next position to be welded by the transverse moving mechanism (5), and the welding operation is repeated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410828941.8A CN118385863B (en) | 2024-06-25 | 2024-06-25 | Intelligent welding device and method for oil-immersed transformer heat sink |
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| CN203992938U (en) * | 2014-08-11 | 2014-12-10 | 杭州钱联散热器有限公司 | Gilled radiator welding tooling |
| CN211759431U (en) * | 2020-03-13 | 2020-10-27 | 保定硕为电气有限公司 | Welding device for finned radiator of transformer |
| CN217913778U (en) * | 2022-08-29 | 2022-11-29 | 中国电建集团华东勘测设计研究院有限公司 | Be applied to plumbing work's pipeline strutting arrangement |
| CN116871798A (en) * | 2023-09-08 | 2023-10-13 | 河北宏翔电力设备有限公司 | Chip radiator welding device |
| CN116890187A (en) * | 2023-08-23 | 2023-10-17 | 连云港明昊电子有限公司 | Welding machine for producing radiating fins of transformer |
| CN118218906A (en) * | 2024-05-27 | 2024-06-21 | 江苏迪欧姆股份有限公司 | Welding device for machining precise steel pipes and application method thereof |
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2024
- 2024-06-25 CN CN202410828941.8A patent/CN118385863B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203992938U (en) * | 2014-08-11 | 2014-12-10 | 杭州钱联散热器有限公司 | Gilled radiator welding tooling |
| CN211759431U (en) * | 2020-03-13 | 2020-10-27 | 保定硕为电气有限公司 | Welding device for finned radiator of transformer |
| CN217913778U (en) * | 2022-08-29 | 2022-11-29 | 中国电建集团华东勘测设计研究院有限公司 | Be applied to plumbing work's pipeline strutting arrangement |
| CN116890187A (en) * | 2023-08-23 | 2023-10-17 | 连云港明昊电子有限公司 | Welding machine for producing radiating fins of transformer |
| CN116871798A (en) * | 2023-09-08 | 2023-10-13 | 河北宏翔电力设备有限公司 | Chip radiator welding device |
| CN118218906A (en) * | 2024-05-27 | 2024-06-21 | 江苏迪欧姆股份有限公司 | Welding device for machining precise steel pipes and application method thereof |
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