CN103286462B - Special equipment and method for automatic welding process of buffer cylinders of elevators - Google Patents
Special equipment and method for automatic welding process of buffer cylinders of elevators Download PDFInfo
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- CN103286462B CN103286462B CN201310182058.8A CN201310182058A CN103286462B CN 103286462 B CN103286462 B CN 103286462B CN 201310182058 A CN201310182058 A CN 201310182058A CN 103286462 B CN103286462 B CN 103286462B
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Abstract
The invention discloses special equipment and method for automatic welding process of buffer cylinders of elevators. The special equipment comprises a welding system, an assembly positioning system, a clamp positioning system and a PLC (programmable logic controller) control system. The welding system comprises a third motor and a welding manipulator. A first rotary positioning disc and a second rotary positioning disc of the assembly positioning system are respectively connected with a first spindle and a second spindle, the first spindle is connected with a first motor through a first reduction box, the second spindle is connected with an air cylinder, first elastic positioning pins are mounted on the first rotary positioning disc, and second elastic positioning pins are mounted on the second rotary positioning disc. A PLC control cabinet of the control system is connected with the first motor, a second motor, the third motor, a fourth motor, the welding manipulator, a clamping manipulator and the air cylinder through control bus respectively. The special equipment is easy to operate, convenient to maintain, good in production flexibility, high in welding quality and stability, and capable of realizing automatic welding process of the buffer cylinders with different diameters.
Description
Technical field
Type of the present invention relates to a kind of automatic welding special equipment, relates to a kind of automation special equipment of the seriation elevator cushion oil cylinder welding processing that can automatically realize specifically.
Background technology
Elevator cushion oil cylinder in the fabrication process, needs to be welded on into together to different base plates, panel, cylinder body and oil nozzle by certain status requirement, finally produces elevator cushion oil cylinder.Existing method needs the size different according to each oil cylinder to customize all kinds of fixture, adopts the operation of being interrupted, machined part is being carried out multiple welding, eventually through the manufacture of having welded elevator cushion oil cylinder.Fixture that existing method adopts equipment is all independently mode, causes operating personnel many, increases processing cost, inefficiency, and the solution that not yet there is a kind of maturation in industry is with effective implemention seriation elevator cushion oil cylinder welding manufacture.
Content of the present invention
The object of the invention is to the defect overcoming prior art existence, be provided for special equipment and the method for the processing of elevator cushion oil cylinder automatic welding, to realize welding process automation in production process, accurate welding.
Object of the present invention is achieved through the following technical solutions:
For a special equipment for elevator cushion oil cylinder automatic welding processing, comprise welding system, Set and Positioning system, clamping position system and PLC control system; Described welding system comprises the 3rd motor and welding manipulator, and the 3rd motor is connected with welding manipulator; Described Set and Positioning system is positioned at welding manipulator side; First of Set and Positioning system rotates positioning disk and the second rotation positioning disk is connected with the second mandrel with the first mandrel respectively, and the first mandrel is connected with the first motor by the first reduction box; Second mandrel is connected with cylinder; First elastic positioning pin is arranged on the first rotation positioning disk, second elastic positioning pin is arranged on the second rotation positioning disk, first rotate positioning disk and second rotate positioning disk opposite side respectively correspondence be provided with supporting base, two positioning rollers fixed respectively by supporting base, cylinder body is arranged on the positioning roller at two ends, and the diameter of positioning roller adjusts according to the diameter of the cylinder body of the elevator cushion oil cylinder that will weld; Supporting base, the first motor, reduction box, the first mandrel, the second mandrel, first rotate positioning disk and the second rotation positioning disk is arranged on positioning seat; Alignment pin is installed be arranged on positioning seat centre and pass in the middle of supporting base, is connected with the locating hole of cylinder body; Deflection machine is arranged on positioning seat side, and deflection machine is coupler structure, and one end is connected with the 4th motor, and the other end is connected with positioning seat;
Described clamping position system comprises clamping manipulator, rotary table, the second motor and alignment sensor; Second motor is connected with rotary table, and alignment sensor is arranged on rotary table side, and rotary table is placed with oil nozzle; Clamping manipulator is arranged between rotary table and welding manipulator;
Control system comprises PLC control cabinet and control bus; PLC control cabinet is connected with the first motor, the second motor, the 3rd motor, the 4th motor, welding manipulator, clamping manipulator and cylinder respectively by control bus.
Preferably, described welding manipulator select model be FD ?84 welding robot.Described clamping manipulator selects model to be the robot of RB08, is arranged on the right side of welding manipulator.Described Set and Positioning system is two covers, lays respectively at the both sides of welding manipulator.Described positioning seat is trapezium structure, and reduction box is arranged on the high order end of positioning seat, and the first motor is arranged on positioning seat side, and cylinder is arranged on cylinder block, and cylinder block is arranged on the right-hand member of positioning seat.Described Set and Positioning system also comprises backstay, and backstay one end and second rotates positioning disk and is connected, and the other end is connected with cylinder block, and backstay is through guide cylinder, and guide cylinder is arranged on cylinder block by guide cylinder fixed mount.Described PLC control cabinet select Siemens S7 ?300 Programmable Logic Controllers, PLC control cabinet is also connected with multifunctional panel, emergency start-stop switch and travel switch respectively.
Apply the method for the elevator cushion oil cylinder automatic welding processing of described special equipment, comprise the steps:
(1) oil cylinder clamping and location: first base plate and panel or panel and base plate are placed in the first rotation positioning disk and second respectively and rotate positioning disk, cylinder body is placed on the positioning roller at two ends; Then instruction is sent to the first motor and cylinder by PLC control cabinet by control bus, drive the first rotation positioning disk and second to rotate the relative position that positioning disk adjusts base plate, panel and cylinder body by the first motor and cylinder respectively by the first mandrel and the second mandrel, cylinder promotes the second mandrel makes base plate, panel and cylinder body be assembled together; Cylinder body is placed on after on positioning roller, make the home position of cylinder body and first rotate positioning disk, second rotate the first mandrel of being connected of positioning disk and the second mandrel center of circle concentric; Cylinder body is fixed on the positioning roller of supporting base by installing alignment pin, and base plate, panel are positioned by the first elastic positioning pin on the first rotation positioning disk, the second rotation positioning disk, the second elastic positioning pin respectively;
(2) spot welding: after completing steps (1), PLC control cabinet 1 sends instructions to by control bus the spot welding that welding manipulator realizes counter plate and cylinder body, base plate and cylinder body, makes oil cylinder one-body molded;
(3) oil nozzle is located and is welded: after completing steps (2), alignment pin is installed exit from the locating hole of cylinder body, send instruction by PLC control cabinet by control bus and start the first motor, and rotate 180 degree by decelerator band moving mandrel, first mandrel drives the first rotation positioning disk to make oil cylinder revolve turnback, and makes oil nozzle hole upward; Send instruction by PLC control cabinet by control bus again and start clamping position system, clamp oil nozzle by clamping manipulator from workbench and be arranged on oil nozzle hole; Then realized the welding of the angle welding in oil nozzle and oil nozzle hole to welding manipulator by control bus transmission instruction by PLC control cabinet; When after the oil nozzle clamping on workbench, the sensor of workbench detects that oil nozzle is removed, then realize the second motor by PLC control system and drive, drive worktable rotary angle, makes next oil nozzle enter the position preparing clamping;
(4) fillet weld seam of base plate and cylinder body, panel and cylinder body; After completing steps (3), send order-driven the 4th motor by PLC control cabinet by control bus, and drive positioning seat to rotate to from the horizontal by an angle by deflection machine transmission, make the weld seam face of fillet welding become level; After completing location, PLC control system controls welding manipulator and carries out automatic welding, and when welding, PLC control system controls the rotation that the first motor rotates whole cylinder body when realizing welding, thus jointly completes welding of the weld seam of whole circumference with welding manipulator; After completing welding, PLC control cabinet control the 4th motor realizes positioning seat and is reset to initial level state; Cylinder drives the second mandrel, make oil cylinder overall along moving right, and make oil cylinder and first rotate the first elastic positioning pin disengaging on positioning disk, when oil cylinder movement is stopped by supporting base, second the second elastic positioning pin rotated on positioning disk unclamps, thus realize cylinder body and be automatically placed on supporting base, operating personnel's pickup.
Relative to prior art, tool of the present invention has the following advantages:
Whole oil cylinder welding process adopts PLC control system to program control, first realizes base plate, spot welding between panel and cylinder body, then revolve the spot welding that turnback realizes cylinder body and oil nozzle; Then base plate, panel are welded with cylinder body angle welding, then oil nozzle and cylinder body fillet welding are welded.Substantially increase working (machining) efficiency; Time there is flexibility due to equipment, can process for seriation oil cylinder, compare with conventional method, reduce frock quantity, reduce production cost; Replace human weld with automatic welding, improve the stability of welding quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the special equipment for the processing of elevator cushion oil cylinder automatic welding.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the side view of Fig. 1.
Fig. 4 be in Fig. 1 k to supporting base partial enlarged drawing.
Fig. 5 is that positioning seat conjugates schematic diagram when weld seam welds.
Fig. 6 is control system schematic diagram.
Fig. 7 is the method logical flow chart for the processing of elevator cushion oil cylinder automatic welding.
Fig. 8 is logical flow chart step (1) the PLC control flow chart of Fig. 7.
Fig. 9 is logical flow chart step (2) the PLC control flow chart of Fig. 7.
Figure 10 is logical flow chart step (3) the PLC control flow chart of Fig. 7.
Figure 11 is logical flow chart step (4) the PLC control flow chart of Fig. 7.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the present invention is further illustrated, but the scope of protection of present invention is not limited to the scope that embodiment is expressed.
As figure 1 ?shown in 5, a kind of special equipment for the processing of elevator cushion oil cylinder automatic welding, comprises welding system, Set and Positioning system, clamping position system and PLC control system;
Welding system comprises the 3rd motor 20 and welding manipulator 19,3rd motor 20 is connected with welding manipulator 19, be arranged on below welding manipulator 19, welding manipulator 19 can select model be FD ?84 welding robot equipment, there is 6DOF, repetitive positioning accuracy is ± 0.008mm, and effective work area is 1.5m
2* 1000mm; 3rd motor 20 is connected with PLC control cabinet 1 respectively with welding manipulator 19, is controlled to drive welding manipulator 19 to rotate by PLC;
Set and Positioning system is preferably two covers, lays respectively at the both sides of welding manipulator 19, also can be a set of, is located in welding manipulator 19 side; Set and Positioning system comprises supporting base 8, positioning roller 7, first rotates positioning disk 5, first motor 2, first reduction box 3, first mandrel 4, install alignment pin 9, backstay 10, second rotates positioning disk 12, guide cylinder 13, cylinder 15, second mandrel 16, cylinder block 17, positioning seat 18, deflection machine 22 and the 4th motor 21; First rotation positioning disk 5 and second rotates positioning disk 12 and is connected with the second mandrel 16 with the first mandrel 4 respectively, and the first mandrel 4 is connected with the first motor 2 by the first reduction box 3, forms initiatively slew gear; Second mandrel 16 is connected with cylinder 15; First elastic positioning pin 6 is arranged on the first rotation positioning disk 5, for fixed base plate or panel; Second elastic positioning pin 28 is arranged on the second rotation positioning disk 12, for fixed panel or base plate; First rotate opposite side that positioning disk 5 and second rotates positioning disk 12 respectively correspondence be provided with supporting base 8, supporting base 8 is fixed respectively two positioning rollers 7, cylinder body 30 is arranged on the positioning roller 7 at two ends, and cylinder body 30 two ends are connected with panel and base plate respectively; As shown in Figure 4, positioning roller 7 is arranged on supporting base 8, the diameter of positioning roller 7 can select different-diameter according to the diameter difference of the cylinder body 30 of the elevator cushion oil cylinder that will weld, object is that the cylinder body of the oil cylinder that will weld is placed on after on positioning roller 7, ensure cylinder body home position respectively with the first mandrel 4 and the second mandrel 16 concentric, thus ensure the oil cylinder welding of no matter which kind of diameter, all weld at fixing horizontal height welding manipulator.
Supporting base 8, first motor 2, reduction box 3, first mandrel 4, cylinder 15, second mandrel 16, first rotate positioning disk 5 and the second rotation positioning disk 12 is arranged on positioning seat 18; As shown in Figure 2, positioning seat 18 is a trapezium structure, interfix hole is used for being connected with deflection machine 22, and supporting base 8 is arranged on positioning seat 18, and reduction box 3 is arranged on the high order end of positioning seat 18, first motor 2 is arranged on positioning seat 18 side, be connected with reduction box 3, reduction box 3 output and the first mandrel 4 are connected, and realize the driving to mandrel 4, cylinder 15 is arranged on cylinder block 17, and cylinder block 17 is arranged on the right-hand member of positioning seat 18; Alignment pin 9 is installed be arranged on positioning seat 18 centre and pass in the middle of supporting base 8, is connected with the locating hole of cylinder body 30, for positioning cylinder, prevent it from rotating (as shown in Figure 5).
Preferably, Set and Positioning system comprises backstay 10, and backstay 10 one end and second rotates positioning disk 12 and is connected, the other end is connected with cylinder block 17, backstay 10 is through guide cylinder 13, and guide cylinder 13 is arranged on cylinder block 17, for the guiding to backstay 10 by guide cylinder fixed mount 14.
As shown in Figure 5, deflection machine 22 is arranged on positioning seat 18 side, and deflection machine 22 is coupler structure, and one end is connected with the 4th motor 21, and the other end is connected with positioning seat 18; The Main Function of deflection machine 22 is the rotation output of transmission the 4th motor, drives positioning seat 18 to rotate; Ensure that angle welding 31 is the level of state when welding, thus ensure angle welding quality.Carry out the accurate location of relative position when Set and Positioning system is responsible for panel, base plate welds with cylinder body, and by controlling oil cylinder 32 and welding manipulator relative motion, when ensureing welding, weld size, position reach designing requirement.
Clamping position system comprises clamping manipulator 23, rotary table 26, second motor 29 and alignment sensor 24; Second motor 29 is connected with rotary table 26, be arranged on below rotary table 26, controlled to drive rotary table 26 to rotate by PLC, alignment sensor 24 is arranged on rotary table side, whether there is workpiece for detecting this position, rotary table 26 being placed with oil nozzle 25; Clamping manipulator 23 can select model to be the robot of RB08, clamping manipulator 23 is arranged between rotary table 26 and welding manipulator 19, preferably on the right side of welding manipulator 19 (as shown in Figure 1, 2), clamping manipulator 23 and rotary table are horizontal level relation.Clamping position system is responsible for realizing clamping oil nozzle 25 and on cylinder body, realizing oil nozzle 25 accurately locating.Clamping manipulator will clamp oil nozzle 25 from rotary table 26 station and be placed on and cylinder body cooperation position, its operating process is by PLC programming Control, on rotary table station workpiece removed after, workpiece do not responded to by inductive switch, motor rotary table makes oil nozzle on next station arrive the position to be held of specifying, and whole process is also by PLC programme-control.
Control system comprises PLC control cabinet 1 and control bus 27; PLC control cabinet 1 selects Siemens S7 ?300 Programmable Logic Controller, and PLC control cabinet 1 is connected with the first motor 2, second motor 29, the 3rd motor 23, the 4th motor 21, welding manipulator 19, clamping manipulator 23 and cylinder 15 respectively by control bus 27; PLC control cabinet 1 is also connected with multifunctional panel, emergency start-stop switch and travel switch respectively; S7 ?300 Programmable Logic Controllers by the relevant device action of the whole equipment of programme-control each operation in welding procedure that pre-sets and start-stop.PLC control cabinet 1 carries out start-stop control by data wire to four motors, welding manipulator 19 and clamping manipulator 23.As shown in Figure 6, Programmable Logic Controller sets oil cylinder automatic welding program to its control system logic control constructs, and controls four motors, two manipulators and air clamper respectively by the data wire of the signal of telecommunication; Multifunctional control panel inputs different technical parameters for for different model oil cylinder; Be arranged with travel switch outside PLC control system and promptly play a guard's valve and control for control system.
Under control system controls, welding manipulator 19 and clamping position system realize oil nozzle and cylinder body welding accurate welding jointly; Welding manipulator 19 also realizes the angle welding accurate welding of base plate, panel and cylinder body together with Set and Positioning system.Set and Positioning system of the present invention is preferably two, and two Set and Positioning systems lay respectively at welding manipulator 19 both sides, and the 3rd motor 20 is positioned at two positioning seat 18 centre positions, can realize the automatic welding of two oil cylinders simultaneously.
As shown in Figure 7, for the method for elevator cushion oil cylinder automatic welding processing, comprise the steps:
(1) oil cylinder clamping and location: as shown in Figure 8, first base plate and panel or panel and base plate are placed in the first rotation positioning disk 5 and second respectively and rotate positioning disk 12, cylinder body 30 is placed on the positioning roller 7 at two ends; Then instruction is sent to the first motor 2 and cylinder 15 by PLC control cabinet 1 by control bus 27, drive first to rotate positioning disk 5 and second by the first motor 2 and cylinder 15 respectively by the first mandrel 4 and the second mandrel 16 and rotate the relative position that positioning disk 12 adjusts base plate, panel and cylinder body, cylinder 15 promotes the second mandrel 16 makes base plate, panel and cylinder body be assembled together.Cylinder body is placed on after on positioning roller 7, the first mandrel 4 that the home position of cylinder body and the first rotation positioning disk 5, second rotation positioning disk 12 are connected and second mandrel 16 center of circle with one heart, thus ensure that the oil cylinder welding of which kind of diameter is all welded at fixing horizontal height welding manipulator 19; Cylinder body is fixed on the positioning roller of supporting base by installing alignment pin 9, and base plate, panel are positioned by the first the first elastic positioning pin 6, second elastic positioning pin 28 rotated on positioning disk 5, second rotation positioning disk 12 respectively.
(2) spot welding: as shown in Figure 9, after completing steps (1), PLC control cabinet 1 sends instructions to by control bus 27 spot welding that welding manipulator 19 realizes counter plate and cylinder body, base plate and cylinder body, makes oil cylinder one-body molded; Backstay 10 rotates positioning disk 12 from second and departs from.
(3) oil nozzle is located and is welded: as shown in Figure 10, after completing steps (2), alignment pin 9 is installed exit from the locating hole of cylinder body, send instruction by PLC control cabinet 1 by control bus 27 and start the first motor 2, and be with moving mandrel 4 to revolve turnback by decelerator 3, at this moment because oil cylinder is integrally formed, the first mandrel 4 drives the first rotation positioning disk 5 to make oil cylinder revolve turnback, makes oil nozzle hole upward; Send instruction by PLC control cabinet 1 by control bus 27 again and start clamping position system, clamp oil nozzle 25 by clamping manipulator 23 from workbench and be arranged on oil nozzle hole that (wherein clamping manipulator motion process is pre-set by program, realize the accurate location of oil nozzle, the movement locus of clamping manipulator can be adjusted simultaneously according to different oil cylinder oil nozzle hole sites difference); Then send instruction by PLC control cabinet 1 by control bus 27 and realize the welding of the angle welding in oil nozzle 25 and oil nozzle hole to controlling welding manipulator 19; When after the oil nozzle clamping on workbench, the sensor 24 of workbench detects that on this position, oil nozzle is removed, then realize the second motor 29 by PLC control system to drive, thus drive workbench 26 to rotate an angle, make next oil nozzle 25 enter the position preparing clamping.
(4) fillet weld seam of base plate and cylinder body, panel and cylinder body; As shown in figure 11, after completing steps (3), order-driven the 4th motor 21 is sent by control bus 27 by PLC control cabinet 1, and drive positioning seat 18 to press position as shown in Figure 4 by deflection machine 22 transmission, rotate extremely from the horizontal by certain angle, object makes the weld seam face of fillet welding become level, and when avoiding traditional welding like this, the flowing of melt is to affect quality.After completing location, PLC control system controls welding manipulator 19 and carries out automatic welding, when welding, PLC control system controls the rotation that the first motor 2 rotates whole cylinder body when realizing welding, thus jointly completes welding of the weld seam of whole circumference with welding manipulator 19.The fillet weld seam of base plate and cylinder body, panel and cylinder body is successively completed respectively through twice displacement.After completing welding, PLC control cabinet control the 4th motor 21 realizes positioning seat and is reset to initial level state; Cylinder 15 drives the second mandrel 16 to make, and oil cylinder is overall moves right along the direction of arrow as shown in Figure 1, make oil cylinder and first rotate the first elastic positioning pin 6 on positioning disk 5 to depart from, when oil cylinder movement is stopped by supporting base, second the second elastic positioning pin 28 rotated on positioning disk 12 unclamps, thus realize cylinder body 30 and be automatically placed on supporting base 8, and alert pickup and complete the clamping work of automatic welding of next workpiece.
Claims (7)
1., for a special equipment for elevator cushion oil cylinder automatic welding processing, it is characterized in that comprising welding system, Set and Positioning system, clamping position system and PLC control system; Described welding system comprises the 3rd motor and welding manipulator, and the 3rd motor is connected with welding manipulator; Described Set and Positioning system is positioned at welding manipulator side; First of Set and Positioning system rotates positioning disk and the second rotation positioning disk is connected with the second mandrel with the first mandrel respectively, and the first mandrel is connected with the first motor by the first reduction box; Second mandrel is connected with cylinder; First elastic positioning pin is arranged on the first rotation positioning disk, second elastic positioning pin is arranged on the second rotation positioning disk, first rotate positioning disk and second rotate positioning disk opposite side respectively correspondence be provided with supporting base, two positioning rollers fixed respectively by supporting base, cylinder body is arranged on the positioning roller at two ends, and the diameter of positioning roller adjusts according to the diameter of the cylinder body of the elevator cushion oil cylinder that will weld; Supporting base, the first motor, reduction box, the first mandrel, the second mandrel, first rotate positioning disk and the second rotation positioning disk is arranged on positioning seat; Alignment pin is installed be arranged on positioning seat centre and pass in the middle of supporting base, is connected with the locating hole of cylinder body; Deflection machine is arranged on positioning seat side, and deflection machine is coupler structure, and one end is connected with the 4th motor, and the other end is connected with positioning seat;
Described clamping position system comprises clamping manipulator, rotary table, the second motor and alignment sensor; Second motor is connected with rotary table, and alignment sensor is arranged on rotary table side, and rotary table is placed with oil nozzle; Clamping manipulator is arranged between rotary table and welding manipulator;
Control system comprises PLC control cabinet and control bus; PLC control cabinet is connected with the first motor, the second motor, the 3rd motor, the 4th motor, welding manipulator, clamping manipulator and cylinder respectively by control bus.
2. the special equipment for the processing of elevator cushion oil cylinder automatic welding according to claim 1, is characterized in that: described clamping manipulator selects model to be the robot of RB08, is arranged on the right side of welding manipulator.
3. the special equipment for the processing of elevator cushion oil cylinder automatic welding according to claim 1, is characterized in that: described Set and Positioning system is two covers, lays respectively at the both sides of welding manipulator.
4. the special equipment for the processing of elevator cushion oil cylinder automatic welding according to claim 1, it is characterized in that: described positioning seat is trapezium structure, reduction box is arranged on the high order end of positioning seat, first motor is arranged on positioning seat side, cylinder is arranged on cylinder block, and cylinder block is arranged on the right-hand member of positioning seat.
5. the special equipment for the processing of elevator cushion oil cylinder automatic welding according to claim 1, it is characterized in that: described Set and Positioning system also comprises backstay, backstay one end and second rotates positioning disk and is connected, the other end is connected with cylinder block, backstay is through guide cylinder, and guide cylinder is arranged on cylinder block by guide cylinder fixed mount.
6. the special equipment for the processing of elevator cushion oil cylinder automatic welding according to claim 1, it is characterized in that: described PLC control cabinet select Siemens S7 ?300 Programmable Logic Controllers, PLC control cabinet is also connected with multifunctional panel, emergency start-stop switch and travel switch respectively.
7. application rights require 1 ?the method of elevator cushion oil cylinder automatic welding processing of special equipment described in 6 any one, comprise the steps:
(1) oil cylinder clamping and location: first base plate and panel or panel and base plate are placed in the first rotation positioning disk and second respectively and rotate positioning disk, cylinder body is placed on the positioning roller at two ends; Then instruction is sent to the first motor and cylinder by PLC control cabinet by control bus, drive the first rotation positioning disk and second to rotate the relative position that positioning disk adjusts base plate, panel and cylinder body by the first motor and cylinder respectively by the first mandrel and the second mandrel, cylinder promotes the second mandrel makes base plate, panel and cylinder body be assembled together; Cylinder body is placed on after on positioning roller, make the home position of cylinder body and first rotate positioning disk, second rotate the first mandrel of being connected of positioning disk and the second mandrel center of circle concentric; Cylinder body is fixed on the positioning roller of supporting base by installing alignment pin, and base plate, panel are positioned by the first elastic positioning pin on the first rotation positioning disk, the second rotation positioning disk, the second elastic positioning pin respectively;
(2) spot welding: after completing steps (1), PLC control cabinet sends instructions to by control bus the spot welding that welding manipulator realizes counter plate and cylinder body, base plate and cylinder body, makes oil cylinder one-body molded;
(3) oil nozzle is located and is welded: after completing steps (2), alignment pin is installed exit from the locating hole of cylinder body, send instruction by PLC control cabinet by control bus and start the first motor, and rotate 180 degree by decelerator band moving mandrel, first mandrel drives the first rotation positioning disk to make oil cylinder revolve turnback, and makes oil nozzle hole upward; Send instruction by PLC control cabinet by control bus again and start clamping position system, clamp oil nozzle by clamping manipulator from workbench and be arranged on oil nozzle hole; Then realized the welding of the angle welding in oil nozzle and oil nozzle hole to welding manipulator by control bus transmission instruction by PLC control cabinet; When after the oil nozzle clamping on workbench, the sensor of workbench detects that oil nozzle is removed, then realize the second motor by PLC control system and drive, drive worktable rotary angle, makes next oil nozzle enter the position preparing clamping;
(4) fillet weld seam of base plate and cylinder body, panel and cylinder body; After completing steps (3), send order-driven the 4th motor by PLC control cabinet by control bus, and drive positioning seat to rotate to from the horizontal by an angle by deflection machine transmission, make the weld seam face of fillet welding become level; After completing location, PLC control system controls welding manipulator and carries out automatic welding, and when welding, PLC control system controls the rotation that the first motor rotates whole cylinder body when realizing welding, thus jointly completes welding of the weld seam of whole circumference with welding manipulator; After completing welding, PLC control cabinet control the 4th motor realizes positioning seat and is reset to initial level state; Cylinder drives the second mandrel, make oil cylinder overall along moving right, and make oil cylinder and first rotate the first elastic positioning pin disengaging on positioning disk, when oil cylinder movement is stopped by supporting base, second the second elastic positioning pin rotated on positioning disk unclamps, thus realize cylinder body and be automatically placed on supporting base, operating personnel's pickup.
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| CN201310182058.8A CN103286462B (en) | 2013-05-16 | 2013-05-16 | Special equipment and method for automatic welding process of buffer cylinders of elevators |
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| CN201310182058.8A CN103286462B (en) | 2013-05-16 | 2013-05-16 | Special equipment and method for automatic welding process of buffer cylinders of elevators |
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| US4378086A (en) * | 1980-02-01 | 1983-03-29 | B.S.L. (Bignier Schmid-Laurent) | Device for positioning and welding binding hoops around a cylinder |
| CN102275032A (en) * | 2010-06-12 | 2011-12-14 | 盐城意斯特机械制造有限公司 | Program control sidesway oil cylinder circumferential seam welding machine |
| CN202106180U (en) * | 2011-05-26 | 2012-01-11 | 山推工程机械股份有限公司 | Adjustable roller type welding machine special for circular seam of hydro-cylinder |
| CN202491044U (en) * | 2012-03-27 | 2012-10-17 | 中联重科股份有限公司 | Centring rotary device for welding |
| CN203254085U (en) * | 2013-05-16 | 2013-10-30 | 广东精创机械制造有限公司 | Equipment special for automatic welding processing of elevator buffer cylinder |
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| CN103286462A (en) | 2013-09-11 |
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