CN204413444U - Be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag - Google Patents
Be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag Download PDFInfo
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- CN204413444U CN204413444U CN201420751399.2U CN201420751399U CN204413444U CN 204413444 U CN204413444 U CN 204413444U CN 201420751399 U CN201420751399 U CN 201420751399U CN 204413444 U CN204413444 U CN 204413444U
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Abstract
The utility model relates to a kind of welding equipment, particularly relate to a kind of be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag, comprise and be fixed frame, described in be fixed frame top two the second cylinders be installed; Described second cylinder piston rod end is all connected with mounting blocks; Described mounting blocks is articulated on contiguous block respectively by rotating shaft; Described contiguous block lower end is articulated on ear seat by rotating shaft, and described ear seat is fixed on and is fixed on frame; Contiguous block top is provided with key holder; Described two the second cylinders, mounting blocks, contiguous blocks and be fixed frame and form a four-bar linkage.The utility model produces active force from upper left and right to wrap-around tube longitudinal joint, and under the effect of anti-misalignment and centralising device, workpiece just can be completed to joint working without the need to manually adjusting, and ensure the glacing flatness of abutment joint, avoid in production process in the past and need the artificial situation repeatedly adjusting abutment joint position and revise misalignment to occur.
Description
The application is application number is 201420417848.X, the applying date is 2014 7 days 28, name be called " be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming longitudinal seam welding machine " divisional application.
Technical field
The utility model relates to a kind of welding equipment, particularly relate to a kind of be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag.
Background technology
Along with industrial development, the high-quality tubing part demand that rolls is increased day by day.For the demand of satisfied increase, production efficiency and the automaticity of wrap-around tube longitudinal seam welding must be improved.In wrap-around tube longitudinal seam welding, ensure that the axiality of wrap-around tube and the accurate longitudinal seam welding of weld seam linearity always are a difficult point; What existing longitudinal seam welder adopted the joint close of pipe crimping butt weld in addition is the way of artificial adjustment, and joint close speed is slow and gap is difficult to accurate control.
If number of patent application is 201320201892.2, the applying date is 2013-04-19, name is called the utility model patent of " the straight seam welding device of single-side welding double-side forming ", its technical scheme is as follows: the straight seam welding device that the utility model proposes a kind of single-side welding double-side forming, and it comprises: frame, travelling car, bonding machine and copper rod.Bonding machine has a welding gun, and this welding gun is fixed on travelling car.Copper rod has a slot to make way.In the utility model, melt liquid is introduced the weld seam of workpiece by welding gun, and melt liquid is piled up in weld seam.Due to the existence of slot to make way, melt liquid, inside the outer side inflow of weld seam, finally achieves single-side welding double-side forming.Although the method for above-mentioned patent to single face welding and double face shaping is improved, for welding thin-walled (1-1.5mm), the wrap-around tube workpiece of minor diameter (being minimal to 100mm), then cannot make welded object implementatio8 hanging single-sided weld the effect of double-faced forming.And also there is larger problem in compressing neutralization of existing workpiece weld seam.
Summary of the invention
In order to overcome the difficult point in prior art, existing special release a kind of be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag.
The utility model is realized by following technical scheme:
Be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up a hold down gag, it is characterized in that: comprise and be fixed frame, described in be fixed frame top two the second cylinders be installed; Described second cylinder piston rod end is all connected with mounting blocks; Described mounting blocks is articulated on contiguous block respectively by rotating shaft; Described contiguous block lower end is articulated on ear seat by rotating shaft, and described ear seat is fixed on and is fixed on frame; Contiguous block top is provided with key holder; Described two the second cylinders, mounting blocks, contiguous blocks and be fixed frame and form a four-bar linkage.
Described being fixed after frame is equipped with compact heap.
Described key holder is provided with key.
Linear slide rail and the 3rd cylinder are equipped with in the described frame bottom that is fixed.
Described linear slide rail and the 3rd cylinder are arranged in frame.
Described linear slide rail is two, and two linear slide rails are one group.
The described hold down gag that closes up is two, first close up hold down gag and second and close up hold down gag respectively, described first closes up hold down gag and second, and to close up the structure of hold down gag identical, and described first closes up hold down gag and second closes up hold down gag and be arranged symmetrically with after in face of workpiece centre.
First object of closing up hold down gag is wrap-around tube one side bus level align and be pressed between mandrel and key, its operation principle is by by pressured concordant with centralising device for sideline, wrap-around tube side, and by decline key by Work-sheet pressing between mandrel and key, realize workpiece weld seam to neutralization compress; The described hold down gag that closes up can promote workpiece forced centering exactly and compress, and ensures to be in tram in whole welding process.
The utility model has the advantage of:
1, the utility model adopts technique scheme, active force is produced from upper left and right to wrap-around tube longitudinal joint, and under the effect of anti-misalignment and centralising device, workpiece just can be completed to joint working without the need to manually adjusting, and ensure the glacing flatness of abutment joint, avoid in production process in the past and need the artificial situation repeatedly adjusting abutment joint position and revise misalignment to occur.
The object of 2, closing up hold down gag is wrap-around tube one side bus level align and be pressed between mandrel and key, its operation principle is by by pressured concordant with centralising device for sideline, wrap-around tube side, and by decline key by Work-sheet pressing between mandrel and key, realize workpiece weld seam to neutralization compress.
3, first closes up hold down gag and second and closes up hold down gag and can promote workpiece forced centering exactly and compress, and ensures to be in tram in whole welding process.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model is applied on longitudinal seam welding machine.
Fig. 2 is positioning workpieces installation drawing on longitudinal seam welding machine.
Fig. 3 is the utility model installation drawing.
Fig. 4 is longitudinal seam welding machine centralising device figure.
In accompanying drawing:
1 workpiece profiling locating piece, 2 briquettings, 3 axis of guides, 4 guide pin bushings, 5 floating junctions, 6 first cylinders, 7 raising boards;
10 ear seats, 11 second cylinder 12 mounting blocks, 13 are fixed frame, 14 key holders, 15 keys, 16 compact heaps, 17 the 3rd cylinders, 18 linear slide rails, 19 contiguous blocks;
20 frames, 21 positioning workpieces devices, 22 close up hold down gag, 23 mandrel support devices, 24 mandrel devices, 25 centralising devices, 26 walking gantry welding connection devices;
41 the 6th cylinders, 42 centering cylinder mounting plates, 43 contraposition crossbeams, 44, the 7th cylinder, 45 anti-misalignment briquettings, 46 the 8th cylinders, 47 centering briquettings.
Detailed description of the invention
Embodiment 1
As shown in Figure 3, be a kind ofly applicable to thin-walled minor diameter, the hold down gag that closes up of hanging single-sided weldering double-faced forming comprise and be fixed frame 13, described in be fixed frame 13 top two the second cylinders 11 be installed; Described second cylinder 11 piston-rod end is all connected with mounting blocks 12; Described mounting blocks 12 is articulated on contiguous block 19 respectively by rotating shaft; Described contiguous block 19 lower end is articulated on ear seat 10 by rotating shaft, and described ear seat 10 is fixed on and is fixed on frame 13; Contiguous block 19 top is provided with key holder 14; Described two the second cylinders 11, mounting blocks 12, contiguous blocks 19 and be fixed frame 13 and form a four-bar linkage.
The utility model adopts technique scheme, active force is produced from upper left and right to wrap-around tube longitudinal joint, and under the effect of anti-misalignment and centralising device 25, workpiece just can be completed to joint working without the need to manually adjusting, and ensure the glacing flatness of abutment joint, avoid in production process in the past and need the artificial situation repeatedly adjusting abutment joint position and revise misalignment to occur.Positioning workpieces device 21 have employed the method for key 15 and mandrel clamping control abutment joint, accelerate the loose arrow of welding heat, efficiently reduce welding deformation and avoid the generation of the defects such as peach type weld seam, substantially increase axiality and the linearity of wrap-around tube, effectively reduce subsequent treatment operation and the processing time of wrap-around tube.
First object of closing up hold down gag is wrap-around tube one side bus level aligned and be pressed between mandrel and key 15, its operation principle is by by pressured for sideline, wrap-around tube side concordant with centralising device 25, and by decline key 15 by Work-sheet pressing between mandrel and key 15, realize workpiece weld seam to neutralization compress; Second closes up hold down gag can promote workpiece forced centering exactly and compress, and ensures to be in tram in whole welding process.
Embodiment 2
As shown in Figure 3, be a kind ofly applicable to thin-walled minor diameter, the hold down gag that closes up of hanging single-sided weldering double-faced forming comprise and be fixed frame 13, described in be fixed frame 13 top two the second cylinders 11 be installed; Described second cylinder 11 piston-rod end is all connected with mounting blocks 12; Described mounting blocks 12 is articulated on contiguous block 19 respectively by rotating shaft; Described contiguous block 19 lower end is articulated on ear seat 10 by rotating shaft, and described ear seat 10 is fixed on and is fixed on frame 13; Contiguous block 19 top is provided with key holder 14; Described two the second cylinders 11, mounting blocks 12, contiguous blocks 19 and be fixed frame 13 and form a four-bar linkage.
The described frame 13 that is fixed is equipped with compact heap 16 below.Described key holder 14 is provided with key 15.
Linear slide rail 18 and the 3rd cylinder 17 are equipped with in described frame 13 bottom that is fixed.Described linear slide rail 18 and the 3rd cylinder 17 are arranged in frame 20.
Described linear slide rail 18 is two, and two linear slide rails 18 are one group.
The utility model adopts technique scheme, active force is produced from upper left and right to wrap-around tube longitudinal joint, and under the effect of anti-misalignment and centralising device 25, workpiece just can be completed to joint working without the need to manually adjusting, and ensure the glacing flatness of abutment joint, avoid in production process in the past and need the artificial situation repeatedly adjusting abutment joint position and revise misalignment to occur.Positioning workpieces device 21 have employed the method for key 15 and mandrel clamping control abutment joint, accelerate the loose arrow of welding heat, efficiently reduce welding deformation and avoid the generation of the defects such as peach type weld seam, substantially increase axiality and the linearity of wrap-around tube, effectively reduce subsequent treatment operation and the processing time of wrap-around tube.
First object of closing up hold down gag is wrap-around tube one side bus level aligned and be pressed between mandrel and key 15, its operation principle is by by pressured for sideline, wrap-around tube side concordant with centralising device 25, and by decline key 15 by Work-sheet pressing between mandrel and key 15, realize workpiece weld seam to neutralization compress; Second closes up hold down gag can promote workpiece forced centering exactly and compress, and ensures to be in tram in whole welding process.
Embodiment 3
As shown in Figure 3, be a kind ofly applicable to thin-walled minor diameter, the hold down gag that closes up of hanging single-sided weldering double-faced forming comprise and be fixed frame 13, described in be fixed frame 13 top two the second cylinders 11 be installed; Described second cylinder 11 piston-rod end is all connected with mounting blocks 12; Described mounting blocks 12 is articulated on contiguous block 19 respectively by rotating shaft; Described contiguous block 19 lower end is articulated on ear seat 10 by rotating shaft, and described ear seat 10 is fixed on and is fixed on frame 13; Contiguous block 19 top is provided with key holder 14; Described two the second cylinders 11, mounting blocks 12, contiguous blocks 19 and be fixed frame 13 and form a four-bar linkage.
The described frame 13 that is fixed is equipped with compact heap 16 below.Described key holder 14 is provided with key 15.
Linear slide rail 18 and the 3rd cylinder 17 are equipped with in described frame 13 bottom that is fixed.Described linear slide rail 18 and the 3rd cylinder 17 are arranged in frame 20.
Described linear slide rail 18 is two, and two linear slide rails 18 are one group.
The described hold down gag that closes up is two, first close up hold down gag and second and close up hold down gag respectively, described first closes up hold down gag and second, and to close up the structure of hold down gag identical, and described first closes up hold down gag and second closes up hold down gag relative to symmetrical after in face of workpiece centre.
The utility model adopts technique scheme, active force is produced from upper left and right to wrap-around tube longitudinal joint, and under the effect of anti-misalignment and centralising device 25, workpiece just can be completed to joint working without the need to manually adjusting, and ensure the glacing flatness of abutment joint, avoid in production process in the past and need the artificial situation repeatedly adjusting abutment joint position and revise misalignment to occur.Positioning workpieces device 21 have employed the method for key 15 and mandrel clamping control abutment joint, accelerate the loose arrow of welding heat, efficiently reduce welding deformation and avoid the generation of the defects such as peach type weld seam, substantially increase axiality and the linearity of wrap-around tube, effectively reduce subsequent treatment operation and the processing time of wrap-around tube.
First object of closing up hold down gag is wrap-around tube one side bus level aligned and be pressed between mandrel and key 15, its operation principle is by by pressured for sideline, wrap-around tube side concordant with centralising device 25, and by decline key 15 by Work-sheet pressing between mandrel and key 15, realize workpiece weld seam to neutralization compress; Second closes up hold down gag can promote workpiece forced centering exactly and compress, and ensures to be in tram in whole welding process.
Embodiment 4
As shown in Figures 1 to 4, a kind ofly be applicable to thin-walled minor diameter, the longitudinal seam welding machine of hanging single-sided weldering double-faced forming comprise frame 20, frame 20 is provided with positioning workpieces device 21, closes up hold down gag 22, mandrel support device 23, mandrel device 24, centralising device 25 and walking gantry welding connection device 26.
Described positioning workpieces device 21 is fixed on frame 20 centre position, the described hold down gag 22 that closes up comprises first and closes up hold down gag and second and close up hold down gag, described first closes up hold down gag and second closes up hold down gag and lays respectively at positioner both sides, and described first closes up hold down gag and second and close up hold down gag and to be positioned on slide rail and to be connected with horizontal air cylinder; Described mandrel device 24 is positioned at above positioner, and when mandrel device 24 is in horizontal station, the cylinder of mandrel support device 23 stretches out and makes itself and mandrel device 24 contact position and the effect playing positioning support; Described centralising device 25 is connected on walking gantry welding connection device 26.
Described positioning workpieces device 21 is fixed on frame 20 centre position by lift cylinder and guiding optical axis, and changes its height by lift cylinder.
The utility model adopts technique scheme, active force is produced from upper left and right to wrap-around tube longitudinal joint, and under the effect of anti-misalignment and centralising device 25, workpiece just can be completed to joint working without the need to manually adjusting, and ensure the glacing flatness of abutment joint, avoid in production process in the past and need the artificial situation repeatedly adjusting abutment joint position and revise misalignment to occur.Positioning workpieces device 21 have employed the method for key 15 and mandrel clamping control abutment joint, accelerate the loose arrow of welding heat, efficiently reduce welding deformation and avoid the generation of the defects such as peach type weld seam, substantially increase axiality and the linearity of wrap-around tube, effectively reduce subsequent treatment operation and the processing time of wrap-around tube.
Embodiment 5
A kind ofly be applicable to thin-walled minor diameter, the longitudinal seam welding machine of hanging single-sided weldering double-faced forming comprise frame 20, frame 20 is provided with positioning workpieces device 21, closes up hold down gag 22, mandrel support device 23, mandrel device 24, centralising device 25 and walking gantry welding connection device 26.
Described positioning workpieces device 21 is fixed on frame 20 centre position, the described hold down gag 22 that closes up comprises first and closes up hold down gag and second and close up hold down gag, described first closes up hold down gag and second closes up hold down gag and lays respectively at positioner both sides, and described first closes up hold down gag and second and close up hold down gag and to be positioned on slide rail and to be connected with horizontal air cylinder; Described mandrel device 24 is positioned at above positioner, and when mandrel device 24 is in horizontal station, the cylinder of mandrel support device 23 stretches out and makes itself and mandrel device 24 contact position and the effect playing positioning support; Described centralising device 25 is connected on walking gantry welding connection device 26.
Described positioning workpieces device 21 is fixed on frame 20 centre position by lift cylinder and guiding optical axis, and changes its height by lift cylinder.
Described positioning workpieces device 21 comprises raising board 7, and described raising board 7 is equipped with workpiece profiling locating piece 1 above, and described raising board 7 lower surface is provided with two axis of guides 3; The described axis of guide 3 is sliding combined with guide pin bushing 4, and described raising board 7 lower surface is also provided with floating junction 5; Described floating junction 5 is connected with the piston-rod end of the first cylinder 6.
Described workpiece profiling locating piece 1 is fixed on raising board 7 by the briquetting 2 on both sides.
Described guide pin bushing 4 is fixed in frame 20.Described first cylinder 6 is fixed in frame 20.
The upper surface of described workpiece profiling locating piece 1 is provided with cone tank.Elasticity taper pin is provided with in described cone tank.
The quantity of described elasticity taper pin is two.When loading workpiece, realize the axis of workpiece and radial Primary Location by the upper surface of workpiece profiling locating piece 1 and taper pin.Described two axis of guides 3 lay respectively at the two ends of raising board 7 lower surface.
The utility model adopts technique scheme, active force is produced from upper left and right to wrap-around tube longitudinal joint, and under the effect of anti-misalignment and centralising device 25, workpiece just can be completed to joint working without the need to manually adjusting, and ensure the glacing flatness of abutment joint, avoid in production process in the past and need the artificial situation repeatedly adjusting abutment joint position and revise misalignment to occur.Positioning workpieces device 21 have employed the method for key 15 and mandrel clamping control abutment joint, accelerate the loose arrow of welding heat, efficiently reduce welding deformation and avoid the generation of the defects such as peach type weld seam, substantially increase axiality and the linearity of wrap-around tube, effectively reduce subsequent treatment operation and the processing time of wrap-around tube.
Positioning workpieces device 21 have employed the method for key 15 and mandrel clamping control abutment joint, accelerate the loose arrow of welding heat, efficiently reduce welding deformation and avoid the generation of the defects such as peach type weld seam, substantially increase axiality and the linearity of wrap-around tube, effectively reduce subsequent treatment operation and the processing time of wrap-around tube.Positioning workpieces device 21, when loading workpiece, realizes the axis of workpiece and radial Primary Location by the upper surface of workpiece profiling locating piece 1 and taper pin.
Embodiment 6
A kind ofly be applicable to thin-walled minor diameter, the longitudinal seam welding machine of hanging single-sided weldering double-faced forming comprise frame 20, frame 20 is provided with positioning workpieces device 21, closes up hold down gag 22, mandrel support device 23, mandrel device 24, centralising device 25 and walking gantry welding connection device 26.
Described positioning workpieces device 21 is fixed on frame 20 centre position, the described hold down gag 22 that closes up comprises first and closes up hold down gag and second and close up hold down gag, described first closes up hold down gag and second closes up hold down gag and lays respectively at positioner both sides, and described first closes up hold down gag and second and close up hold down gag and to be positioned on slide rail and to be connected with horizontal air cylinder; Described mandrel device 24 is positioned at above positioner, and when mandrel device 24 is in horizontal station, the cylinder of mandrel support device 23 stretches out and makes itself and mandrel device 24 contact position and the effect playing positioning support; Described centralising device 25 is connected on walking gantry welding connection device 26.
Described positioning workpieces device 21 is fixed on frame 20 centre position by lift cylinder and guiding optical axis, and changes its height by lift cylinder.
Described first closes up hold down gag comprises and is fixed frame 13, described in be fixed frame 13 top two the second cylinders 11 be installed; Described second cylinder 11 piston-rod end is all connected with mounting blocks 12; Described mounting blocks 12 is articulated on contiguous block 19 respectively by rotating shaft; Described contiguous block 19 lower end is articulated on ear seat 10 by rotating shaft, and described ear seat 10 is fixed on and is fixed on frame 13; Contiguous block 19 top is provided with key holder 14; Described two the second cylinders 11, mounting blocks 12, contiguous blocks 19 and be fixed frame 13 and form a four-bar linkage.
The described frame 13 that is fixed is equipped with compact heap 16 below.Described key holder 14 is provided with key 15.
Linear slide rail 18 and the 3rd cylinder 17 are equipped with in described frame 13 bottom that is fixed.Described linear slide rail 18 and the 3rd cylinder 17 are arranged in frame 20.
Described linear slide rail 18 is two, and two linear slide rails 18 are one group.Described first closes up hold down gag and second, and to close up the structure of hold down gag identical, and described first closes up hold down gag and second closes up hold down gag relative to symmetrical after in face of workpiece centre.
The utility model adopts technique scheme, active force is produced from upper left and right to wrap-around tube longitudinal joint, and under the effect of anti-misalignment and centralising device 25, workpiece just can be completed to joint working without the need to manually adjusting, and ensure the glacing flatness of abutment joint, avoid in production process in the past and need the artificial situation repeatedly adjusting abutment joint position and revise misalignment to occur.Positioning workpieces device 21 have employed the method for key 15 and mandrel clamping control abutment joint, accelerate the loose arrow of welding heat, efficiently reduce welding deformation and avoid the generation of the defects such as peach type weld seam, substantially increase axiality and the linearity of wrap-around tube, effectively reduce subsequent treatment operation and the processing time of wrap-around tube.
First object of closing up hold down gag is wrap-around tube one side bus level aligned and be pressed between mandrel and key 15, its operation principle is by by pressured for sideline, wrap-around tube side concordant with centralising device 25, and by decline key 15 by Work-sheet pressing between mandrel and key 15, realize workpiece weld seam to neutralization compress; The described hold down gag 22 that closes up can promote workpiece forced centering exactly and compress, and ensures to be in tram in whole welding process.
Embodiment 7
A kind ofly be applicable to thin-walled minor diameter, the longitudinal seam welding machine of hanging single-sided weldering double-faced forming comprise frame 20, frame 20 is provided with positioning workpieces device 21, closes up hold down gag 22, mandrel support device 23, mandrel device 24, centralising device 25 and walking gantry welding connection device 26.
Described positioning workpieces device 21 is fixed on frame 20 centre position, the described hold down gag 22 that closes up comprises first and closes up hold down gag and second and close up hold down gag, described first closes up hold down gag and second closes up hold down gag and lays respectively at positioner both sides, and described first closes up hold down gag and second and close up hold down gag and to be positioned on slide rail and to be connected with horizontal air cylinder; Described mandrel device 24 is positioned at above positioner, and when mandrel device 24 is in horizontal station, the cylinder of mandrel support device 23 stretches out and makes itself and mandrel device 24 contact position and the effect playing positioning support; Described centralising device 25 is connected on walking gantry welding connection device 26.
Described positioning workpieces device 21 is fixed on frame 20 centre position by lift cylinder and guiding optical axis, and changes its height by lift cylinder.
Described centralising device 25 comprises contraposition crossbeam 43, and the right-hand member of described contraposition crossbeam 43 is provided with transverse cylinder fixed head; Described transverse cylinder fixed head is provided with the 6th cylinder 41; The piston rod end of described 6th cylinder 41 is provided with centering cylinder mounting plate 42; On the right of described centering cylinder mounting plate 42 bottom, the 7th cylinder 44 is installed; The piston rod end of described 7th cylinder 44 is provided with centering block; The left side, described centering cylinder mounting plate 42 bottom is provided with the 8th cylinder 46, and the piston rod end of described 8th cylinder 46 is provided with anti-misalignment briquetting 45.
Described 7th cylinder 44 and the 8th cylinder 46 are for arrange in opposite directions.
Described centering block and anti-misalignment briquetting 45 are for arrange in opposite directions.
The structure that described contraposition crossbeam 43 left end is installed is identical with the said structure that right-hand member is installed.
Described anti-misalignment briquetting 45 side is provided with circular arc guider.Achieve well by wrap-around tube Second Edge with compress docking of limit and lead.
Centralising device 25 is drawn close limit for wrap-around tube abutment joint first and is provided positioning datum, and it is high that centralising device 25 has rigidity, and centering is reliable, by the advantage such as control the 7th cylinder 44, the 8th cylinder 46 completes automatically.
The utility model adopts technique scheme, active force is produced from upper left and right to wrap-around tube longitudinal joint, and under the effect of anti-misalignment and centralising device 25, workpiece just can be completed to joint working without the need to manually adjusting, and ensure the glacing flatness of abutment joint, avoid in production process in the past and need the artificial situation repeatedly adjusting abutment joint position and revise misalignment to occur.Positioning workpieces device 21 have employed the method for key 15 and mandrel clamping control abutment joint, accelerate the loose arrow of welding heat, efficiently reduce welding deformation and avoid the generation of the defects such as peach type weld seam, substantially increase axiality and the linearity of wrap-around tube, effectively reduce subsequent treatment operation and the processing time of wrap-around tube.
Anti-misalignment briquetting 45 side of centralising device 25 is provided with circular arc guider, achieve well by wrap-around tube Second Edge with compress docking of limit and lead.Centralising device 25 is drawn close limit for wrap-around tube abutment joint first and is provided positioning datum, and it is high that centralising device 25 has rigidity, and centering is reliable, by the advantage such as control the 7th cylinder 44, the 8th cylinder 46 completes automatically.
Embodiment 8
A kind ofly be applicable to thin-walled minor diameter, the longitudinal seam welding machine of hanging single-sided weldering double-faced forming comprise frame 20, frame 20 is provided with positioning workpieces device 21, closes up hold down gag 22, mandrel support device 23, mandrel device 24, centralising device 25 and walking gantry welding connection device 26.
Described positioning workpieces device 21 is fixed on frame 20 centre position, the described hold down gag 22 that closes up comprises first and closes up hold down gag and second and close up hold down gag, described first closes up hold down gag and second closes up hold down gag and lays respectively at positioner both sides, and described first closes up hold down gag and second and close up hold down gag and to be positioned on slide rail and to be connected with horizontal air cylinder; Described mandrel device 24 is positioned at above positioner, and when mandrel device 24 is in horizontal station, the cylinder of mandrel support device 23 stretches out and makes itself and mandrel device 24 contact position and the effect playing positioning support; Described centralising device 25 is connected on walking gantry welding connection device 26.
Described positioning workpieces device 21 is fixed on frame 20 centre position by lift cylinder and guiding optical axis, and changes its height by lift cylinder.
Described positioning workpieces device 21 comprises raising board 7, and described raising board 7 is equipped with workpiece profiling locating piece 1 above, and described raising board 7 lower surface is provided with two axis of guides 3; The described axis of guide 3 is sliding combined with guide pin bushing 4, and described raising board 7 lower surface is also provided with floating junction 5; Described floating junction 5 is connected with the piston-rod end of the first cylinder 6.
Described workpiece profiling locating piece 1 is fixed on raising board 7 by the briquetting 2 on both sides.Described guide pin bushing 4 is fixed in frame 20.Described first cylinder 6 is fixed in frame 20.The upper surface of described workpiece profiling locating piece 1 is provided with cone tank.Elasticity taper pin is provided with in described cone tank.The quantity of described elasticity taper pin is two.
When loading workpiece, realize the axis of workpiece and radial Primary Location by the upper surface of workpiece profiling locating piece 1 and taper pin.Described two axis of guides 3 lay respectively at the two ends of raising board 7 lower surface.
First closes up hold down gag comprises and is fixed frame 13, described in be fixed frame 13 top two the second cylinders 11 be installed; Described second cylinder 11 piston-rod end is all connected with mounting blocks 12; Described mounting blocks 12 is articulated on contiguous block 19 respectively by rotating shaft; Described contiguous block 19 lower end is articulated on ear seat 10 by rotating shaft, and described ear seat 10 is fixed on and is fixed on frame 13; Contiguous block 19 top is provided with key holder 14; Described two the second cylinders 11, mounting blocks 12, contiguous blocks 19 and be fixed frame 13 and form a four-bar linkage.
The described frame 13 that is fixed is equipped with compact heap 16 below.Described key holder 14 is provided with key 15.
Linear slide rail 18 and the 3rd cylinder 17 are equipped with in described frame 13 bottom that is fixed.Described linear slide rail 18 and the 3rd cylinder 17 are arranged in frame 20.
Described linear slide rail 18 is two, and two linear slide rails 18 are one group.Described first closes up hold down gag and second, and to close up the structure of hold down gag identical, and described first closes up hold down gag and second closes up hold down gag relative to symmetrical after in face of workpiece centre.
First object of closing up hold down gag is wrap-around tube one side bus level aligned and be pressed between mandrel and key 15, its operation principle is by by pressured for sideline, wrap-around tube side concordant with centralising device 25, and by decline key 15 by Work-sheet pressing between mandrel and key 15, realize workpiece weld seam to neutralization compress; The described hold down gag 22 that closes up can promote workpiece forced centering exactly and compress, and ensures to be in tram in whole welding process.
Centralising device 25 comprises contraposition crossbeam 43, and the right-hand member of described contraposition crossbeam 43 is provided with transverse cylinder fixed head; Described transverse cylinder fixed head is provided with the 6th cylinder 41; The piston rod end of described 6th cylinder 41 is provided with centering cylinder mounting plate 42; On the right of described centering cylinder mounting plate 42 bottom, the 7th cylinder 44 is installed; The piston rod end of described 7th cylinder 44 is provided with centering block; The left side, described centering cylinder mounting plate 42 bottom is provided with the 8th cylinder 46, and the piston rod end of described 8th cylinder 46 is provided with anti-misalignment briquetting 45.
7th cylinder 44 and the 8th cylinder 46 are for arrange in opposite directions.Centering block and anti-misalignment briquetting 45 are for arrange in opposite directions.The structure that contraposition crossbeam 43 left end is installed is identical with the said structure that right-hand member is installed.
Anti-misalignment briquetting 45 side is provided with circular arc guider.Achieve well by wrap-around tube Second Edge with compress docking of limit and lead.Centralising device 25 is drawn close limit for wrap-around tube abutment joint first and is provided positioning datum, and it is high that centralising device 25 has rigidity, and centering is reliable, by the advantage such as control the 7th cylinder 44, the 8th cylinder 46 completes automatically.
Be applicable to thin-walled minor diameter, the longitudinal seam welding machine of hanging single-sided weldering double-faced forming also includes complete machine electrical control gear, complete machine electrical control gear controls the launching and receiving of complete machine electrical equipment signal.
Operation principle of the present utility model is: first workpiece is penetrated mandrel device 24, is placed on workpiece profiling locating piece 1; First cylinder 6 stretches out, and workpiece profiling locating piece 1 lifts and puts in place; Mandrel support device 23 lifts; 6th cylinder 41 stretches out, and the 7th cylinder 44 stretches out, make centering briquetting 47 move downward with wrap-around tube edge on front side of fit; 3rd cylinder 17 stretches out, and makes first to close up hold down gag and moves compact heap 16 to wrap-around tube wrap-around tube first tape edge and centering briquetting 47 are fitted; Second cylinder 11 stretches out, and key 15 moves downward compression wrap-around tube; 7th cylinder 44 shrinks, and centering briquetting 47 moves upward withdrawal; 8th cylinder 46 stretches out, and anti-misalignment briquetting 45 is moved downward and holds out against wrap-around tube; Second closes up hold down gag moves to wrap-around tube, and compact heap 16 makes wrap-around tube second tape edge and the first tape edge fit; Second cylinder 11 stretches out, and key 15 moves downward compression wrap-around tube; 8th cylinder 46 shrinks, and anti-misalignment briquetting 45 is return, and the welding gun of walking gantry welding connection device 26 starts operation and laterally at the uniform velocity moves; After having welded, the second cylinder 11 shrinks, and unclamps key 15; First cylinder 6 shrinks, and workpiece profiling locating piece 1 declines and puts in place; 3rd cylinder 17 shrinks, and first closes up hold down gag and second closes up hold down gag and return; Mandrel support device 23 is return; Inclined arbor, is reentered into workpiece to be welded after taking out wrap-around tube.
The utility model adopts technique scheme, active force is produced from upper left and right to wrap-around tube longitudinal joint, and under the effect of anti-misalignment and centralising device 25, workpiece just can be completed to joint working without the need to manually adjusting, and ensure the glacing flatness of abutment joint, avoid in production process in the past and need the artificial situation repeatedly adjusting abutment joint position and revise misalignment to occur.
Positioning workpieces device 21 have employed the method for key 15 and mandrel clamping control abutment joint, accelerate the loose arrow of welding heat, efficiently reduce welding deformation and avoid the generation of the defects such as peach type weld seam, substantially increase axiality and the linearity of wrap-around tube, effectively reduce subsequent treatment operation and the processing time of wrap-around tube.Positioning workpieces device 21, when loading workpiece, realizes the axis of workpiece and radial Primary Location by the upper surface of workpiece profiling locating piece 1 and taper pin.
First object of closing up hold down gag is wrap-around tube one side bus level aligned and be pressed between mandrel and key 15, its operation principle is by by pressured for sideline, wrap-around tube side concordant with centralising device 25, and by decline key 15 by Work-sheet pressing between mandrel and key 15, realize workpiece weld seam to neutralization compress.First closes up hold down gag and second closes up hold down gag and can promote workpiece forced centering exactly and compress, and ensures to be in tram in whole welding process.
Anti-misalignment briquetting 45 side of centralising device 25 is provided with circular arc guider, achieve well by wrap-around tube Second Edge with compress docking of limit and lead.Centralising device 25 is drawn close limit for wrap-around tube abutment joint first and is provided positioning datum, and it is high that centralising device 25 has rigidity, and centering is reliable, by the advantage such as control the 7th cylinder 44, the 8th cylinder 46 completes automatically.
The utility model can also adopt Digitizing And Control Unit, and when adopting Digitizing And Control Unit, automaticity is high, simple to operate, reduces the skill requirement to operator and labour intensity, effectively improves productivity ratio.Even if but do not adopt Digitizing And Control Unit, also realize this apparatus function by Non-follow control.
In the present embodiment, the structure of mandrel device 24, mandrel support device 23 and walking gantry welding connection device 26 is prior art, for well known to those of ordinary skill in the art.
The above is the utility model preferred embodiment, does not do any type of restriction to the utility model.
Claims (7)
1. be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up a hold down gag, it is characterized in that: comprise and be fixed frame (13), described in be fixed frame (13) top two the second cylinders (11) be installed; Described second cylinder (11) piston-rod end is all connected with mounting blocks (12); Described mounting blocks (12) is articulated on contiguous block (19) respectively by rotating shaft; Described contiguous block (19) lower end is articulated on ear seat (10) by rotating shaft, and described ear seat (10) is fixed on and is fixed on frame (13); Contiguous block (19) top is provided with key holder (14); Described two the second cylinders (11), mounting blocks (12), contiguous block (19) and be fixed frame (13) formed a four-bar linkage.
2. according to claim 1 be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag, it is characterized in that: described in be fixed frame (13) and below compact heap (16) be housed.
3. according to claim 2 be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag, it is characterized in that: described key holder (14) is provided with key (15).
4. according to claim 3 be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag, it is characterized in that: described in be fixed frame (13) bottom linear slide rail (18) and the 3rd cylinder (17) be housed.
5. according to claim 4 be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag, it is characterized in that: described linear slide rail (18) and the 3rd cylinder (17) are arranged in frame (20).
6. according to claim 5 be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag, it is characterized in that: described linear slide rail (18) is two, two linear slide rails (18) are one group.
7. according to claim 6 be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag, it is characterized in that: first closes up hold down gag and second, and to close up the structure of hold down gag identical, first closes up hold down gag and second closes up hold down gag relative to symmetrical after in face of workpiece centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751399.2U CN204413444U (en) | 2014-07-28 | 2014-07-28 | Be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751399.2U CN204413444U (en) | 2014-07-28 | 2014-07-28 | Be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420417848.XU Division CN203992925U (en) | 2014-07-28 | 2014-07-28 | Be applicable to the longitudinal seam welding machine of thin-walled minor diameter, hanging single-sided weldering double-faced forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204413444U true CN204413444U (en) | 2015-06-24 |
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ID=53463850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420751399.2U Expired - Fee Related CN204413444U (en) | 2014-07-28 | 2014-07-28 | Be applicable to thin-walled minor diameter, hanging single-sided weldering double-faced forming close up hold down gag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204413444U (en) |
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2014
- 2014-07-28 CN CN201420751399.2U patent/CN204413444U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20190728 |
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