CN107234356B - Automatic welding component for stainless steel pipe ring of heating radiator and manufacturing method thereof - Google Patents
Automatic welding component for stainless steel pipe ring of heating radiator and manufacturing method thereof Download PDFInfo
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- CN107234356B CN107234356B CN201710651234.6A CN201710651234A CN107234356B CN 107234356 B CN107234356 B CN 107234356B CN 201710651234 A CN201710651234 A CN 201710651234A CN 107234356 B CN107234356 B CN 107234356B
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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 to a procedure covered by only one of the preceding main groups
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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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Abstract
An automatic circular stainless steel pipe welding component for heating radiator is composed of a frame made of steel, a balance bottom supporter, a horizontal connecting pipe with upper opening, a cylinder guide rod, a vertical pipe, a welding gun, a connecting shaft, a speed reducer, a motor, a disc spring, a pressing electric unit, a balance base, a rotary shaft, a tube core bearing, a connecting shaft, a shaft coupler, a speed reducer, a motor, a spring, a pressing electric unit, a spring, a pressing electric unit, a balance base, a balance plate, a balance spring, a balance shaft, a cylinder guide rod, a vertical shaft, a motor, a vertical shaft, a motor, a spring, a balance base, a balance plate, a cylinder guide rod, a cylinder, and the disc spring contracts, the main shaft of the speed reducer is reversely rotated for a circle with the rotating shaft welding gun, and the steam line on the welding gun is reset.
Description
Technical Field
The invention belongs to the technical field of radiators, and particularly relates to a stainless steel component for a heating radiator and a manufacturing method thereof.
Background
The invention relates to a stainless steel component for heating radiator and its manufacturing method (patent number ZL 201410824324.7), which is disclosed in Chinese patent application, wherein the structure is common tube bank structure, and is made of stainless steel material, and comprises an upper transverse communicating tube, a lower transverse communicating tube, and a plurality of vertical tubes arranged in parallel, two ends of each vertical tube are respectively communicated with the upper and lower transverse communicating tubes, the transverse communicating tubes are provided with annular flanges protruding inwards, the end parts of the transverse communicating tubes are provided with connector seats, the through connection is that the vertical tubes are inserted into the annular flanges protruding inwards of the transverse communicating tubes, the annular flanges of the transverse communicating tubes are tightly attached to the tube walls of the vertical tubes, the end surfaces of the vertical tubes are flush with the end surfaces of the annular flanges of the transverse communicating tubes, an annular welding seam is formed by welding the end surfaces, the vertical tubes are made of stainless steel tubes, the transverse communicating pipe is formed by bending a stainless steel plate coil into a closed section shape and welding along the length direction of the transverse communicating pipe. The stainless steel plate belt adopted by the transverse communicating pipe is a strip-shaped stainless steel thin plate, and the stainless steel pipe adopted by the vertical stand pipe is a stainless steel thin-wall pipe. In the through connection mode of the composite radiator, the welding seam is welded manually, and although the welding mode is necessarily stable, the yield is low and the labor cost is high.
Disclosure of Invention
The present invention addresses the above-described deficiencies of the prior art by providing an improved annular automatic weld member and method of making the same.
The invention is realized in the following way: an automatic welding component for the stainless steel tube of heating radiator is composed of a frame structure made of channel steel, a heating radiator consisting of upper and lower transverse tubes and multiple vertical tubes parallel to each other, and an inward convex ring flange on each vertical tube, the tip at horizontal closed tube is provided with the joint seat, link up the hookup and insert in the inside bellied annular turn-ups of horizontal closed tube for vertical riser, the annular turn-ups of horizontal closed tube closely laminates with the pipe wall of vertical riser, the terminal surface of vertical riser flushes with horizontal closed tube annular turn-ups's terminal surface mutually, vertical riser is made with the stainless steel pipe, horizontal closed tube is coiled into by the corrosion resistant plate coil and forms lower extreme U word shape, the upper end is the open-ended shape of mouth word, implement that the ring circle automatic weld's component includes: frame construction, walking structure, automatic weld structure, frame construction includes: the device comprises concave channel steel, three-dimensional channel steel, sliding channel steel, bottom legs, a balance bottom support and inclined struts; the walking structure includes: a platform, a small trailer, a cylinder and a rocker arm; the automatic welding structure includes: the heating radiator comprises a motor, a speed reducer, a control button, a coupler, a rotating shaft, a welding gun, an up-down left-right moving component, a wire clamp, a disc spring, a tube core bearing, a polyurethane disc, a tensioning bolt, an upright post, a concave channel steel upright post, a steam line, fins and a handle, wherein the lower ends of an upper transverse communicating pipe and a lower transverse communicating pipe of the heating radiator are in a U shape, the upper ends of the upper transverse communicating pipe and the lower transverse communicating pipe are in a square opening shape and are placed on a frame structure, the bottom opening of the transverse communicating pipe below the heating radiator is in contact with a balance bottom support, the upper opening of the transverse communicating pipe above the heating radiator is in contact with the welding gun fixed on the rotating shaft, the tensioning bolt rotates to clamp the fins of the heating radiator, a cylinder guide rod descends, the rotating shaft is inserted into a vertical tube, the welding gun is also arranged on the rotating shaft, the rotating shaft and the polyurethane disc in the vertical tube is not rotated by the tube core bearing, the upper part of the rotating shaft is inserted with a coupling, the coupling is connected with a lower main shaft of a speed reducer, the speed reducer is connected with a motor, an upper main shaft of the speed reducer is connected with a disc spring, the main shaft of the speed reducer rotates for a circle with the rotating shaft, a welding gun and a steam line on the welding gun rotate for a circle at the same time, the disc spring is stretched, the main shaft of the speed reducer stops, a control button electric appliance is arranged to automatically twist to a neutral position, the disc spring contracts, the main shaft of the speed reducer rotates for a circle with the welding gun of the rotating shaft, and the steam line on the welding gun resets.
The concave channel steel on the frame structure is placed upwards along the length direction in a concave mode, bottom legs are welded on two side faces of two ends of the concave channel steel, three-dimensional channel steel and sliding channel steel are welded on the concave channel steel and the bottom legs, the concave faces of the three-dimensional channel steel and the sliding channel steel face outwards and are vertically placed along the length direction, the three-dimensional plane of the three-dimensional channel steel and the three-dimensional plane of the sliding channel steel are in contact with fins of a heating radiator, the sliding channel steel is closed and is not in contact with a transverse communicating pipe, a balance bottom support is welded in the middle of the concave channel steel, the upper portion of the balance bottom support is rectangular in cross section, the lower end of the balance bottom support is rectangular in vertical shape, the width of the cross section of the upper portion is matched with the U-shaped shape of the lower end of the transverse communicating pipe, an inclined strut is welded in the middle section of the three-dimensional channel steel, a tensioning bolt is arranged in the middle section of the sliding channel steel, a nut of the tensioning bolt is fixed at the vertical upper end of an upright column, and a lead screw of the tensioning bolt is fixed in the sliding channel steel, the left rotary sliding channel steel of the screw rod of the tensioning bolt moves forward, the right rotary sliding channel steel of the screw rod of the tensioning bolt moves backward, the stand column is made of concave channel steel, one end of the stand column is transversely and straightly connected with the sliding channel steel, and the other end of the stand column is bent upwards to stand ninety degrees vertically.
The small trailer of the walking structure is arranged on the platform, the platform is a long-strip-shaped steel plate, the upper end surfaces and the lower end surfaces of two sides of the central line of the long-strip-shaped steel plate of the platform are provided with concave grooves, the platform is supported by a concave channel steel upright post, and the lower ends of supporting points at two ends of the concave channel steel upright post are connected with the side surface of the upper plane of the bottom leg; the small trailer is characterized in that four bearings at the upper end are placed in a concave groove on the platform, four bearings at the lower end are placed in a concave groove below the platform, the upper bearing and the lower bearing are in close contact with the concave groove on the platform plate surface, the small trailer is in a door-shaped shape formed by welding three rectangular steel plates, the small trailer is also provided with a locking fixed handle, the handle is cylindrical, the lower section of the handle is in a vertical shape, and the upper section of the handle is in a ninety-degree holding and bending shape, its handle is rotatory, and the handle bottom contacts with the platform, is the fixed little trailer of locking, and the handle bottom does not contact with the platform, and little trailer is can sliding state, and the plane is connected with the cylinder on the little trailer, and the guide arm up end and the rocking arm of cylinder are connected, and the rocking arm is square steel, and the rocking arm other end is connected with the last speed reducer of automatic weld structure, and the motor is connected with the speed reducer, and the speed reducer is the rectangle, and vertical the putting has the output shaft from top to bottom, speed reducer. The side surface of the upper end of the speed reducer is connected with the control button box.
The welding gun adjusting device is further arranged on the rotating shaft and comprises a welding gun left-right moving component, a polyurethane disc is fixed on the rotating shaft and is in contact with the inner wall of the vertical pipe, the polyurethane disc is fixed on a pipe core bearing, the pipe core bearing is fixed on the rotating shaft, a wire clamp is further arranged on the rotating shaft, and a steam wire on the welding gun is locked and fixed on the rotating shaft through the wire clamp.
A stainless steel pipe ring automatic welding manufacturing method for the heating radiator comprises the following process steps:
the first step is as follows: the vertical pipe is a blank pipe and is not a finish-machined pipe, the vertical pipe is oval, the welding deformation of a steel pipe factory is realized, the end face of the vertical pipe and the end face of the transverse communicating pipe need to be manually spot-welded into a pipe row structure, and the end face of the vertical pipe is flush with the end face of the annular flanging of the transverse communicating pipe profile.
The second step: a heating radiator with a spot-welded tube row structure and fins is placed on a frame structure and positioned and clamped.
The third step: after the end faces of the vertical pipe and the annular flanging of the transverse communicating pipe are aligned, the annular flanging protruding inwards of the transverse communicating pipe is not tightly attached to the pipe wall of the vertical pipe, the circular pipe needs to be punched by a cylindrical cone manually, the circular pipe is not elliptical, or the circular pipe is punched by a porous device with a row structure of the cylindrical cones at one time, the circular pipe wall is tightly attached to the circular pipe, and automatic welding of the circular pipe is to be implemented.
The fourth step: the cylinder guide rod descends, a welding gun is in close contact with the pipe wall closely attached to the vertical pipe and the transverse communicating pipe to spray flame, the motor speed reducer operates, the rotating shaft rotates for a circle positively, the welding gun and the steam line rotate for a circle, automatic welding of a circular ring is completed, the main shaft of the motor speed reducer stops, the control button electric appliance is automatically twisted to a neutral position, the disc spring contracts, the rotating shaft rotates for a circle reversely, the welding gun and the steam line reset, the locking handle is loosened, the small trailer is pushed to the next welding pipe end, the handle is locked, and the like.
The fifth step: the inner mandrel with the set section shape is placed into the bottom of the transverse communicating pipe along the length direction of the transverse communicating pipe, and the two outer clamps with the set section shape move relatively and clamp tightly under the action of the pressure strut, so that two sides of a section bar belonging to the transverse communicating pipe are extruded and closed into a circular arc shape, the end faces of the two strip-shaped flanging edges are flush, and the inner mandrel is pulled out after the two strip-shaped flanging edges move relatively and loosen under the reaction of the pressure strut.
And a sixth step: the transverse communicating pipe processed in the previous step is placed on an outer clamp with a set section shape in an arc shape and is clamped in a relative moving mode under the action of a pressure strut, so that two sides of a section bar belonging to the transverse communicating pipe are extruded and closed, two strip-shaped turned edges are kneaded tightly, end faces are flush, and automatic welding is carried out through the end faces to form strip-shaped welding lines.
The seventh step: the method is characterized in that an annular connecting disc is made of a stainless steel plate, a joint seat with internal threads is processed by stainless steel pipes, and the annular connecting disc and the joint seat are respectively welded at the end part of a transverse communicating pipe.
The invention has the following beneficial effects and advantages:
the invention discloses a Chinese invention patent 'a stainless steel component for heating radiator and its manufacturing method' (patent number ZL 201410824324.7) the structural form is that after the vertical pipe is flush with the end face of the annular flange of the horizontal communicating pipe, the inward convex annular flange of the horizontal communicating pipe is tightly jointed with the pipe wall of the vertical pipe, the welding is not proper because the vertical pipe is the welding deformation of the steel pipe factory, all the steel pipes are blank pipes as long as the welded pipes are not finish-machined pipes, the vertical pipe is elliptical, the vertical pipe can not be welded directly in circular shape, the space between the pipe walls is not really tightly jointed, if the welding has uneven gap, the circular shape can not be welded at uniform speed, the invention is a manufacturing method of really tightly jointing around the pipe walls, and is based on the component which is automatically welded in circular shape, according to the fact that the vertical pipe is used as a circle center, a welding gun rotates around the vertical pipe, each circle of a welding gun ring is equal to a connecting pipe which is welded, and meanwhile, the welding gun ring rotates for one circle under the action of a disc spring, and repeated winding of a steam line is avoided; the welding has balanced collet in the concave channel-section steel on the rack construction, the terminal surface of a plurality of vertical risers and two horizontal closed tube terminal surfaces need the manual spot welding of operator to become the bank of tubes structure, it has fin heating radiator to place on the rack construction to become the bank of tubes structure to spot welding, the tight rear convenience of location clamp is implemented horizontal closed tube inside bellied annular turn-ups and the pipe wall of vertical riser with the whole circle of punching a hole of cylinder cone, this process must have, through implementing this process, the whole circle of punching a hole reaches the pipe wall and closely laminates, treat to implement ring circle automatic weld.
The annular automatic welding component for the heating radiator only uses three channel steels to form a three-point tripod shape to complete the positioning and clamping of the heating radiator, and has the advantages of simple structure, convenient and quick replacement of welding positions and low manufacturing cost; the implementation of the welding gun and the reverse and positive rotation of the steam line on the welding gun is completed by utilizing a reduction gearbox assembly with low price and the contraction force of a disc spring, and is advanced in the field.
The manufacturing method of the invention ensures that the end surface of the welded communicating pipe is straight, has no convex-concave phenomenon, even sintering, tight welding, no water leakage, high speed and good quality, completely meets the manufacturing requirement of the product structure, can ensure the product quality and is suitable for batch production.
By implementing the invention, the heating radiator with the performance of the thin-wall stainless steel material can be produced by fully utilizing the ring automatic welding component, and a composite radiator with various forms and materials is provided for the market.
The radiator product produced by adopting the technology of the invention has the advantages of reliable service life, beautiful appearance, light weight, material and labor cost saving, suitability for mass production and good market prospect.
Drawings
Fig. 1 is a schematic structural view of a stainless steel pipe ring automatic welding member and a manufacturing method thereof using the heating radiator of the present invention.
Fig. 2 is a left side view of fig. 1.
FIG. 3 is a cross-sectional view of the structure with the cross-channel coupled with the vertical risers and fins.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in figures 1, 2 and 3,
an automatic circular welding component of stainless steel pipe for heating radiator is composed of a frame structure made of channel steel, heating radiator consisting of upper and lower transverse tubes 22 and multiple vertical tubes 23 arranged parallelly, each vertical tube 23 with two ends communicated with said tubes 22, and the tubes 22 with annular flanges for matching with the end surfaces of tubes 22, vertical tube 23 inserted in said flanges, vertical tube 22 with annular flange close to the tube wall of tube 23, stainless steel tube 23 with U-shaped lower end and open upper end, the component for implementing the automatic welding of the ring circle comprises: frame construction, walking structure, automatic weld structure, frame construction includes: the device comprises a concave channel steel 1, a three-dimensional channel steel 2, a sliding channel steel 3, bottom legs 4, a balance bottom support 5 and an inclined strut 6; the walking structure includes: a platform 7, a small trailer 8, a cylinder 9 and a rocker arm 10; the automatic welding structure includes: the heating radiator comprises a motor 11, a speed reducer 11-1, a control button 12, a coupler 13, a rotating shaft 14, a welding gun 15, an up-down left-right moving component 15-1, a wire clamp 24, a disc spring 16, a tube core bearing 17, a polyurethane disc 18, a tensioning bolt 19, an upright post 20, a concave channel steel upright post 20-1, a steam line 25, fins 21 and a handle 26, wherein the lower ends of an upper transverse communicating pipe 22 and a lower transverse communicating pipe 22 of the heating radiator are in a U-shaped shape, the upper end of the heating radiator is in a square opening shape and is placed on a frame structure, the bottom opening of the transverse communicating pipe 22 at the lower side of the heating radiator is in contact with a balance bottom support 5, the upper opening of the transverse communicating pipe 22 at the upper side of the heating radiator is in contact with the welding gun 15 fixed on the rotating shaft 14, the tensioning bolt 19 rotationally clamps the fins 21 of the heating radiator, a guide rod of an air cylinder 9 descends, the rotating shaft 14 is inserted into a vertical pipe 23, the rotating shaft 14 is also provided with the welding gun 15, one circle of rotation of the welding gun 15 is performed by taking a polyurethane disc 18 inserted into a vertical pipe 23 through a rotating shaft 14 as a center, the rotating shaft 14 and a pipe core bearing 17 rotate the polyurethane disc 18 without rotating, a coupler 13 is inserted into the upper portion of the rotating shaft 14, the coupler 13 is connected with a lower main shaft of a speed reducer 11-1, the speed reducer 11-1 is connected with a motor 11, an upper main shaft of the speed reducer 11-1 is connected with a disc spring 16, the main shaft of the speed reducer 11-1 and the rotating shaft 14 rotate for one circle, a steam line 25 on the welding gun 15 and the welding gun 15 rotate for one circle at the same time, the disc spring 16 is stretched, the main shaft of the speed reducer 11-1 stops, a control button 12 is automatically set to be in a torsion state to a neutral position, the disc spring 16 contracts, the main shaft of the speed reducer 11-1 is connected with the rotating shaft 14, the welding gun 15 rotates for one circle in a reverse direction, and the steam line 25 on the welding gun 15 resets.
The concave channel steel 1 on the frame structure is placed upwards along the length direction in a concave manner, two side faces at two ends of the concave channel steel 1 are welded with bottom legs 4, a three-dimensional channel steel 2 and a sliding channel steel 3 are welded on the concave channel steel 1 and the bottom legs 4, the three-dimensional channel steel 2 and the sliding channel steel 3 are placed along the length direction in a vertical manner, the three-dimensional plane of the three-dimensional channel steel 2 and the three-dimensional plane of the sliding channel steel 3 are in contact with a fin 21 of a heating radiator, the sliding channel steel 3 is closed and is not in contact with a transverse communicating pipe 22, a balance bottom support 5 is welded at the middle part of the concave channel steel 1, the upper part of the balance bottom support 5 is rectangular in cross section, the lower end of the balance bottom support is rectangular, the width of the cross section of the upper part is matched with the U-shaped middle section at the lower end of the transverse communicating pipe 22, an inclined strut 6 is welded at the three-dimensional channel steel 2, a tensioning bolt 19 is arranged at the middle section of the sliding channel steel 3, a nut of the tensioning bolt 19 is fixed at the vertical upper end of a stand column 20, the lead screw of tensioning bolt 19 is fixed in 3 middle sections of slip channel-section steel, and the lead screw left rotation slip channel-section steel 3 of tensioning bolt 19 is gone forward, and the lead screw right rotation slip channel-section steel 3 of tensioning bolt 19 moves back, and stand 20 is the concave channel-section steel, and stand 20 one end is horizontal straight and is connected with slip channel-section steel 3, and the other end upwards bends ninety vertical standings.
The small trailer 8 of the walking structure is arranged on the platform 7, the platform 7 is a long strip-shaped steel plate, concave grooves are formed in the upper end face and the lower end face of the two sides of the center line of the long strip-shaped steel plate of the platform 7, the platform 7 is supported by a concave channel steel upright post 20-1, and the lower ends of supporting points at the two ends of the concave channel steel upright post 20-1 are connected with the side face of the upper plane of the bottom leg 4; the small trailer 8 is characterized in that four bearings at the upper end are placed in a concave groove on the platform 7, four bearings at the lower end are placed in a concave groove below the platform 7, the upper bearing and the lower bearing are in tight contact with the concave groove on the surface of the platform 7, the small trailer 8 is in a door-shaped shape formed by welding three rectangular steel plates, the small trailer 8 is also provided with a locking fixed handle 26, the handle 26 is cylindrical, the lower section of the handle 26 is vertical, the upper section of the handle 26 is in a ninety-degree holding and bending shape, the handle 26 rotates, the bottom end of the handle 26 is in contact with the platform 7 and is used for locking and fixing the small trailer 8, the bottom end of the handle 26 is not in contact with the platform 7, the small trailer 8 can slide, the upper plane of the small trailer 8 is connected with the cylinder 9, the upper end face of a guide rod of the cylinder 9 is connected with the rocker 10, the rocker 10 is in square steel, the other end of the rocker 10 is connected with the speed reducer 11-1 on the automatic welding structure, and the motor 11 is connected with the speed reducer 11-1, the speed reducer 11-1 is rectangular and is vertically arranged, and the upper part and the lower part of the speed reducer 11-1 are provided with output shafts. The side surface of the upper end of the speed reducer 11-1 is connected with a control button 12 box.
The rotating shaft 14 is also provided with a welding gun 15 adjusting device, the welding gun 15 adjusting device comprises a welding gun 15 up-down left-right moving component 15-1, a polyurethane disc 18 is fixed on the rotating shaft 14 and is contacted with the inner wall of a vertical riser 23, the polyurethane disc 18 is fixed on a tube core bearing 17, the tube core bearing 17 is fixed on the rotating shaft 14, the rotating shaft 14 is also provided with a wire clamp 24, and a steam wire 25 on the welding gun 15 is locked and fixed on the rotating shaft 14 through the wire clamp 24.
A stainless steel pipe ring automatic welding manufacturing method for the heating radiator comprises the following process steps: the first step is as follows: the vertical pipe 23 is a blank pipe and is not a finish-machined pipe, the vertical pipe 23 is oval, factory welding deformation of a steel pipe is caused, the end face of the vertical pipe 23 and the end face of the transverse communicating pipe 22 need to be manually spot-welded to form a pipe row structure, and the end face of the vertical pipe 23 is flush with the end face of an annular flanging of a section bar of the transverse communicating pipe 22.
The second step is that: the heating radiator which is spot welded into a tube row structure and is provided with fins 21 is placed on a frame structure and is positioned and clamped.
The third step: after the end faces of the vertical pipe 23 and the annular flange of the transverse communicating pipe 22 are flush, the annular flange protruding inwards of the transverse communicating pipe 22 is not tightly attached to the pipe wall of the vertical pipe 23, the circular pipe needs to be punched by a cylindrical cone manually to be in a full circle which is not oval, or a porous device with a row structure of the cylindrical cones is used for punching the full circle at one time, the full circle of punching is used for achieving the purpose that the pipe wall is tightly attached, and the circular pipe is automatically welded to be implemented.
The fourth step: the guide rod of the cylinder 9 descends, the welding gun 15 is in close contact with the pipe wall tightly attached to the vertical pipe 23 and the transverse communicating pipe 22 to spray flame, the motor 11 speed reducer 11-1 operates, the rotating shaft 14 rotates for a circle positively, the welding gun 15 and the steam line 25 rotate for a circle, the circular automatic welding is completed, the main shaft of the motor 11 speed reducer 11-1 stops, the control button 12 is automatically set to be twisted to a neutral position, the disc spring 16 contracts, the rotating shaft 14 rotates for a circle reversely, the welding gun 15 and the steam line 25 reset, the locking handle 26 is loosened, the small trailer 8 is pushed to the next welding pipe end, the locking handle 26 is locked, and the like.
The fifth step: the inner mandrel with the set section shape is placed into the bottom of the transverse communicating pipe 22 along the length direction of the transverse communicating pipe 22, and two outer clamps with the set section shape move relatively and clamp tightly under the action of the pressure strut, so that two sides of a section bar belonging to the transverse communicating pipe 22 are extruded and closed into a circular arc shape, the end faces of two strip-shaped flanging are flush, and the inner mandrel is pulled out after the two strip-shaped flanging end faces move relatively and loosen under the reaction of the pressure strut.
And a sixth step: the transverse communicating pipe 22 processed in the previous step is placed in an arc shape on an outer clamp with a set section shape and is relatively moved and clamped under the action of a pressure strut, so that two sides of the section bar belonging to the transverse communicating pipe 22 are extruded and closed, two strip-shaped flanges are kneaded tightly, the end faces are flush, and automatic welding is carried out through the end faces to form strip-shaped welding lines.
The seventh step: the annular connecting disc is made of a stainless steel plate, the joint seat with internal threads is processed by stainless steel pipes, and the annular connecting disc and the joint seat are respectively welded at the end part of the transverse communicating pipe 22.
The present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art may make other modifications without departing from the scope of the claims of the present invention.
Claims (5)
1. A stainless steel pipe circular automatic welding component of a heating radiator is arranged in a rack structure combined by channel steel, the heating radiator comprises an upper transverse communicating pipe and a lower transverse communicating pipe (22) and also comprises a plurality of vertical stand pipes (23) which are arranged in parallel, two ends of each vertical stand pipe (23) are respectively communicated and connected with the upper transverse communicating pipe and the lower transverse communicating pipe (22), the transverse communicating pipes (22) are provided with annular flanges which protrude inwards, the end parts of the transverse communicating pipes (22) are provided with joint seats, the vertical stand pipes (23) are inserted into the annular flanges which protrude inwards of the transverse communicating pipes (22) in the through connection, the annular flanges of the transverse communicating pipes (22) are tightly attached to the pipe walls of the vertical stand pipes (23), the end surfaces of the vertical stand pipes (23) are flush with the end surfaces of the annular flanges of the transverse communicating pipes (22), and the vertical stand pipes (23) are made of stainless steel pipes, the transverse communicating pipe (22) is formed by coiling stainless steel plates into a U-shaped lower end and a square opening upper end, and the components for implementing circular automatic welding comprise: frame construction, walking structure, automatic weld structure, frame construction includes: the device comprises a concave channel steel (1), a three-dimensional channel steel (2), a sliding channel steel (3), bottom legs (4), a balance bottom support (5) and an inclined strut (6); the walking structure includes: a platform (7), a small trailer (8), a cylinder (9) and a rocker arm (10); the automatic welding structure includes: motor (11), speed reducer (11-1), control button (12), shaft coupling (13), pivot (14), welder (15), move about from top to bottom component (15-1), fastener (24), disc spring (16), tube core bearing (17), polyurethane disc (18), tensioning bolt (19), stand (20), concave channel-section steel stand (20-1), vapour line (25), fin (21), handle (26) are constituteed, its characterized in that: the lower ends of two horizontal communicating pipes (22) on the upper part and the lower part of the heating radiator are U-shaped, the upper ends of the two horizontal communicating pipes are square openings and are placed on a frame structure, the bottom openings of the horizontal communicating pipes (22) on the lower part of the heating radiator are contacted with a balance bottom support (5), the upper openings of the horizontal communicating pipes (22) on the upper part of the heating radiator are contacted with a welding gun (15) fixed on a rotating shaft (14), a tensioning bolt (19) rotates to clamp a fin (21) of the heating radiator, a guide rod of an air cylinder (9) descends, the rotating shaft (14) is inserted into a vertical pipe (23), the rotating shaft (14) is also provided with the welding gun (15), the rotating shaft (14) rotates for one circle by taking a polyurethane disc (18) inserted into the vertical pipe (23) by the rotating shaft (14) as the circle center, the rotating shaft (14) and a pipe core bearing (17) rotate the polyurethane disc (18) and do not rotate, a coupling (13) is inserted into the upper part of the rotating shaft (14), and the coupling (13) is connected with a lower main shaft of a speed reducer (11-1), the speed reducer (11-1) is connected with the motor (11), a main shaft on the speed reducer (11-1) is connected with the disc spring (16), the main shaft of the speed reducer (11-1) and the rotating shaft (14) rotate forward for a circle, the welding gun (15) and the steam line (25) on the welding gun (15) rotate forward for a circle at the same time, the disc spring (16) is stretched, the main shaft of the speed reducer (11-1) stops, the control button (12) is provided with an electric appliance which automatically twists to a neutral gear position, the disc spring (16) contracts, the main shaft of the speed reducer (11-1) is connected with the rotating shaft (14) and the welding gun (15) rotates backward for a circle, and the steam line (25) on the welding gun (15) resets.
2. The automatic welding component of stainless steel pipe ring of heating radiator according to claim 1, characterized in that: the concave channel steel (1) on the frame structure is placed upwards along the length direction in a concave mode, bottom legs (4) are welded on two side faces of two ends of the concave channel steel (1), three-dimensional channel steel (2) and sliding channel steel (3) are welded on the concave channel steel (1) and the bottom legs (4), the three-dimensional channel steel (2) and the sliding channel steel (3) face outwards in a concave mode, the vertical type is placed along the length direction, a three-dimensional plane of the three-dimensional channel steel (2) and a three-dimensional plane of the sliding channel steel (3) are in contact with fins (21) of a heating radiator, the sliding channel steel (3) is closed and is not in contact with a transverse communicating pipe (22), a balance bottom support (5) is welded in the middle of the concave channel steel (1), the upper portion of the balance support (5) is rectangular in cross section, the lower end of the vertical type is rectangular, the width of the upper portion of the cross section is matched with the lower end of the transverse communicating pipe (22) in a U-shaped form, the middle section of the three-dimensional channel steel (2) is welded with the inclined strut (6), the middle section of the sliding channel steel (3) is provided with the tensioning bolt (19), a nut of the tensioning bolt (19) is fixed at the vertical upper end of the upright post (20), a lead screw of the tensioning bolt (19) is fixed at the middle section of the sliding channel steel (3), the lead screw of the tensioning bolt (19) rotates left to slide the channel steel (3) forwards, the lead screw of the tensioning bolt (19) rotates right to slide the channel steel (3) backwards, the upright post (20) is made of concave channel steel, one end of the upright post (20) is transversely straight and connected with the sliding channel steel (3), and the other end of the upright post is bent right to stand vertically.
3. The automatic welding component for the stainless steel pipe ring of the heating radiator according to claim 1, characterized in that: the small trailer (8) of the walking structure is arranged on the platform (7), the platform (7) is a long-strip-shaped steel plate, concave grooves are formed in the upper end faces and the lower end faces of the two sides of the center line of the long-strip-shaped steel plate of the platform (7), the platform (7) is supported by a concave channel steel upright (20-1), and the lower ends of supporting points at the two ends of the concave channel steel upright (20-1) are connected with the side face of the upper plane of the bottom leg (4); the small trailer (8) is characterized in that four bearings at the upper end are placed in a concave groove on the platform (7), four bearings at the lower end are placed in a concave groove below the platform (7), an upper bearing and a lower bearing are in close contact with the concave groove on the surface of the platform (7), the small trailer (8) is in a door-shaped shape formed by welding three rectangular steel plates, the small trailer (8) is further provided with a handle (26), the handle (26) is cylindrical, the lower section of the handle (26) is in a vertical shape, the upper section of the handle (26) is in a ninety-degree holding bent shape, the handle (26) rotates, the bottom end of the handle (26) is in contact with the platform (7) and is locked and fixed to the small trailer (8), the bottom end of the handle (26) is not in contact with the platform (7), the small trailer (8) can slide, the upper plane of the small trailer (8) is connected with the cylinder (9), the upper end face of a guide rod of the cylinder (9) is connected with the rocker (10), the rocker (10) is square steel, the other end of the rocker arm (10) is connected with a speed reducer (11-1) on the automatic welding structure, the motor (11) is connected with the speed reducer (11-1), the speed reducer (11-1) is rectangular and is vertically arranged, output shafts are arranged above and below the speed reducer (11-1), and the side face of the upper end of the speed reducer (11-1) is connected with a control button (12) box.
4. The automatic welding component of stainless steel pipe ring of heating radiator according to claim 1, characterized in that: the welding gun adjusting device is characterized in that a welding gun (15) adjusting device is further arranged on the rotating shaft (14), the welding gun 15 adjusting device comprises a welding gun (15) moving up and down, left and right and moving component (15-1), a polyurethane disc (18) is fixed on the rotating shaft (14) and is in contact with the inner wall of the vertical pipe (23), the polyurethane disc (18) is fixed on a pipe core bearing (17), the pipe core bearing (17) is fixed on the rotating shaft (14), a wire clamp (24) is further arranged on the rotating shaft (14), and a steam wire (25) on the welding gun (15) is locked and fixed on the rotating shaft (14) through the wire clamp (24).
5. An automatic welding component of stainless steel pipe ring for heating radiator as claimed in claim 1, characterized by comprising the following process steps: the first step is as follows: the vertical pipe (23) is a blank pipe and is not a finish-machined pipe, the vertical pipe (23) is oval, the vertical pipe (23) forms an oval shape, the welding deformation of a steel pipe factory is realized, the end surface of the vertical pipe (23) and the end surface of the transverse communicating pipe (22) need to be manually spot-welded to form a pipe row structure, and the end surface of the vertical pipe (23) is aligned with the end surface of an annular flanging of the section bar of the transverse communicating pipe (22);
The second step: a heating radiator which is spot-welded into a tube row structure and is provided with fins 21 is placed on a frame structure, positioned and clamped;
the third step: after the end faces of the annular flanges of the vertical pipe (23) and the transverse communicating pipe (22) are aligned, the annular flanges protruding inwards of the transverse communicating pipe (22) are not tightly attached to the pipe wall of the vertical pipe (23), a cylindrical cone needs to be used for manually punching a whole circle, the whole circle is not oval, or a cylindrical cone row structure porous device is used for punching a whole circle at one time, the whole circle is punched to enable the pipe wall to be tightly attached, and the circular ring is automatically welded when implementation is required;
the fourth step: a guide rod of the air cylinder (9) descends, a welding gun (15) is in close contact with a pipe wall tightly attached to a vertical pipe (23) and a transverse communicating pipe (22) to spray flame, a speed reducer (11-1) of a motor (11) operates, a rotating shaft (14) rotates forwards for a circle, the welding gun (15) and a steam line (25) rotate for a circle, circular automatic welding is completed, a main shaft of the speed reducer (11-1) of the motor (11) stops, an electric appliance of a control button (12) is automatically twisted to a neutral position, a disc spring (16) contracts, the rotating shaft (14) rotates backwards for a circle, the welding gun (15) and the steam line (25) reset, a handle (26) is loosened, a small trailer (8) is pushed to the next welding pipe end, the handle (26) is locked, and the like;
The fifth step: an inner mandrel with a set section shape is placed at the bottom of the transverse communicating pipe (22) along the length direction of the transverse communicating pipe (22), two outer clamps with the set section shape move relatively and clamp tightly under the action of a pressure strut, so that two sides of a section bar belonging to the transverse communicating pipe (22) are extruded and closed into a circular arc shape, the end faces of two strip-shaped flanging are flush, the inner mandrel moves relatively and loosens under the reaction of the pressure strut, and the inner mandrel is drawn out;
and a sixth step: placing the transverse communicating pipe (22) processed in the previous step in an arc shape on an outer clamp with a set section shape, relatively moving and clamping under the action of a pressure strut, so that two sides of a section bar belonging to the transverse communicating pipe (22) are extruded and closed, two strip-shaped flanges are kneaded tightly, the end faces are flush, and automatic welding is carried out through the end faces to form a strip-shaped welding line;
the seventh step: the annular connecting disc is made of a stainless steel plate, the joint seat with internal threads is processed by stainless steel pipes, and the annular connecting disc and the joint seat are respectively welded at the end part of the transverse communicating pipe (22).
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| CN201710651234.6A CN107234356B (en) | 2017-08-02 | 2017-08-02 | Automatic welding component for stainless steel pipe ring of heating radiator and manufacturing method thereof |
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| CN201710651234.6A CN107234356B (en) | 2017-08-02 | 2017-08-02 | Automatic welding component for stainless steel pipe ring of heating radiator and manufacturing method thereof |
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| CN107234356B true CN107234356B (en) | 2022-06-28 |
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| CN110238490B (en) * | 2019-06-21 | 2021-01-22 | 江苏同力日升机械股份有限公司 | Main shaft front and back surface welding process based on welding general driving system |
| CN113414522B (en) * | 2021-08-23 | 2021-11-09 | 江苏克伦伯格热能技术有限公司 | Radiator welding equipment |
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