A kind of handling equipment of rack pipe end circular seam welder
The utility model relates to a kind of rack pipe end girth welding special plane, specifically is a kind of handling equipment.
The automatic weldering that present rack pipe end circumferential weld is carried out at first will be carried out artificial spot welding before the weldering, and then manually carry out clamping, welds automatically again, and welding is carried out artificial blanking after finishing again, so do not claim full automatic welding.The subject matter that the design of the full-automatic welding machine special of rack pipe end circumferential weld faces has following: the one, and the shrouding of difformity and specification is grasped and can carry out the design of the special manipulator of clamping; The 2nd, treat the welded tube design of the handling equipment of welding bench up and down; The 3rd, the automatic detection of length of tube to be welded; The 4th, the design of the motion control device of welding gun.Treat welded tube up and down the handling equipment of welding bench be the important component part of welding machine.
Chinese patent (publication number: CN 201799539U; The patent No.: CN 201020280098.8) " the full-automatic handling equipment of full-sized car longitudinal beam hydraulic machine " disclosed; This utility model can realize the automatic loading/unloading of plate on hydraulic press of different size, and accurately location is realized in the position that makes plate successfully arrive setting, has realized automation of operation; But this utility model only is suitable for the automatic loading/unloading of plate, and is not suitable for the automatic loading/unloading of pipe fitting.
Chinese patent (publication number: CN 102050329A; The patent No.: CN 201010587849.5) " bellows automatic loading and unloading device " disclosed; This device comprises clamping device, about carrying out bellows, all around moves, and realized the automatic loading/unloading to bellows; But this device can not be rotated bellows, is not suitable for rack pipe end circumferential weld full-automatic welding machine.
Summary of the invention
The technology that the utility model need solve is; Overcome disadvantages of background technology; What a kind of rack pipe end circumferential weld full-automatic welding machine was provided treats the welded tube handling equipment, and this device can realize treating the full-automatic welding machine up and down of welded tube, when the diameter of treating welded tube changes; Do not need to adjust accordingly rotating speed of motor, promptly utility model provides stable speed of welding can for the welding of pipe.
The utility model device comprises base plate (17), roller frame (20), slide block (7,9), screw rod (8), material loading guide rail (24), blanking guide rail (26), roller (25), synchronous pulley, crossbeam (4), rotating shaft (2), corner block (1), crossbar bracket (3), pallet base (5), hawser axle, hawser, pulley, hydraulic cylinder, gear, tooth bar; It is characterized in that said two roller frames and two symmetrical being installed on the base plate of pallet base; Assemble two slide blocks and loading and unloading guide rail on the guide rail of said roller frame successively; Be equipped with roller on the jointed shaft of slide block and loading and unloading guide rail; Be equipped with a synchronous belt wheel on the jointed shaft of a said material loading guide rail, a hydraulic cylinder (18) is installed on the said base plate in addition, hydraulic cylinder constitutes transmission through gear drive and two hawser axles; The hawser on the said hawser axle and the pulley of crossbar bracket lower end form the pulley transmission; Said crossbar bracket is slidedly assemblied in the pallet base, fixing assembling one crossbeam on the crossbar bracket, and said crossbeam two ends are equipped with rotating shaft; Said rotating shaft upper end assembling corner block, lower end assembling rotary magnet.
The concrete technical scheme of loading and unloading is, material loading guide rail and blanking guide rail are arranged on the roller frame, and said upper and lower material guide rail all has constant slope and all tilts towards the blanking direction.Before the material loading, should be earlier according to the diameter of treating welded tube, through the distance of relative two rollers on the handle adjustment loading and unloading guide rail.During material loading; Inclined-plane through rotary magnet control corner block is towards the material loading guide rail, under the effect of hydraulic cylinder, through rack-and-pinion transmission, pulley transmission; Realize the rising of crossbar bracket; Pipe tumbles and with after the corner block inclined-plane contacts, crossbar bracket moves down under the effect of hydraulic cylinder, and pipe is placed on the four rolling of loading and unloading guide rail along the material loading guide rail.After welding finishes; Through 180 ° of rotary magnet control rotating shaft reverse rotations, make corner block inclined-plane on the rotating shaft towards the blanking guide rail, then under the effect of hydraulic cylinder; Through rack-and-pinion transmission, pulley transmission; Realize the rising of crossbar bracket, push pipe to the blanking guide rail by the corner block on the crossbeam, pipe is through the blanking of blanking guide rail.
Treat that the concrete technical scheme that welded tube rolls is; The roller that is provided with on the material loading guide rail in the device is an active roller; Said roller is realized transmission through key and axle; One end of said axle is installed synchronous pulley, links to each other through synchronous band stepper motor on the stepper motor pedestal below being installed in slide block (9) then.Because be to carry out transmission through friction, change even treat the diameter of welded tube, the linear velocity on its circumference still is a setting value, thus even having guaranteed the diameter of pipe changes, speed of welding also can not become, and makes speed of welding meet the value of setting.This treats welded tube Rotation Design scheme, has simplified the rotating speed control requirement to stepper motor.In order to increase coefficient of friction, external application plastics on the said roller.
The utlity model has simple and reasonable characteristics, make and treat that welded tube realized automatic loading/unloading.And because adopt hawser and pulley transmission system, when having cushioned loading and unloading to the impact of lathe.In addition; The rotation of pipe drives through active roller friction, guaranteed different-diameter treat the welded tube rotation time the linear velocity value stabilization, and need not the rotating speed of stepper motor be adjusted; Simplified the design of control system, the speed of welding that meets standard is provided for welding process.
Description of drawings
Fig. 1 is the device installation diagram.
Fig. 2 is a base plate.
Fig. 3 is the roller frame.
Fig. 4 is a pallet base.
Fig. 5 is a crossbeam.
Fig. 6 is a crossbar bracket.
Fig. 7 is a rotating shaft.
Fig. 8 is a screw rod.
Fig. 9 is the material loading guide rail.
Figure 10 is the blanking guide rail.
Figure 11 is the driven pulley slide block.
Figure 12 is the driving wheel slide block.
Figure 13 is for connecting end cap.
Figure 14 is the tooth bar pedestal.
Figure 15 is a bearing block.
Figure 16 is hawser axle A.
Figure 17 is hawser axle B.
Figure 18 is a hawser axle connecting axle.
Figure 19 is a bevel gear.
Figure 20 is a gear.
Figure 21 is a tooth bar.
1 is corner block among the figure, and 2 is rotating shaft, and 3 is crossbar bracket, and 4 is crossbeam, and 5 is pallet base, and 6 is bevel gear; 7 is the driven pulley slide block, and 8 is screw rod, and 9 is the driving wheel slide block, and 10 is handle, and 11 is hawser axle A; 12 is the stepper motor pedestal, and 13 is gear, and 14 is tooth bar, and 15 is bearing block, and 16 is the tooth bar pedestal; 17 is base plate, and 18 is hydraulic cylinder, and 19 is the hydraulic cylinder fixed pedestal, and 20 is the roller frame, and 21 is hawser axle B; 22 is cable, and 23 is hawser, and 24 is the material loading guide rail, and 25 is roller, and 26 are the blanking guide rail.
The specific embodiment
Below in conjunction with accompanying drawing to this novel further describing.
For base plate is fixed, and two roller frames, two pallet bases, three axles, a toothed rack, a part such as hydraulic cylinder are installed on base plate, more hole (Fig. 2) is arranged on the base plate.Said base plate (17) is rectangle; Respectively have four counterbores on four angles of said base plate; The right and left respectively has four tapped through holes, respectively has one to be criss-cross through hole about on the symmetric position before and after the base plate, and there are 38 screwed holes before and after the said cross through hole and inboard.16 counterbores on said four angles are used for base plate is fixed; 8 tapped through holes of the right and left are used for fixing two roller frames; Totally 8 screwed holes in two cross through holes front and back are used for fixing two pallet bases, and all the other 30 (10 groups) screwed holes are used for 6 bearing blocks, 2 tooth bar pedestals, 2 hydraulic cylinder fixed pedestals are fixed.
Four counterbores are arranged on the base plate of said roller frame (20), central rack have one be spill guide rail, rack rail top right ends has two coaxial through holes, three screwed holes that distributing around the said through hole, there is the guide rail that is spill said through hole top.Four counterbores on the said roller framework soleplate are used for installing nut; One recessed rectangular guideway of central rack is used for assembling slide block; Two coaxial through holes of rack rail top right ends are used for installing screw rod (8); Said screw rod is used for regulating the relative distance of two slide blocks, also is the relative distance of two rollers on the connecting axle of adjusting slider and loading and unloading guide rail.When guaranteeing that screw rod rotates two rollers do relatively near or disengaging movement, said screw rod (8) both sides process left hand thread and right-handed thread respectively, the screw rod two ends are the cylinder bodily form, and a through hole vertical with axial line is arranged on the elongated cylinder of an end.
Roller is apart from according to treating that the diameter of welded tube regulates.Said roller is installed on the connecting axle of loading and unloading guide rail and slide block, the distance that can regulate two slide blocks through the handle on the screw rod (10).For the manufacturability of screw rod assembling, slide block does not directly link to each other with screw rod, but links to each other indirectly through connection end cap shown in Figure 13.Cover at link and to be processed with the left and right screw thread that revolves that matches mutually with screw rod.
Slide block has two kinds, and a kind of is driven pulley slide block (7), and a kind of is driving wheel slide block (9).The driven pulley slide block has three, and the driving wheel slide block has one.At the fit beneath one stepper motor pedestal (12) of driving wheel slide block, link to each other through band transmission synchronously between stepper motor and the active roller assembled shaft.Said driven pulley slide block (7) upper end has a groove, level to have the hole that the front and back vertical with groove connect, and the groove below is parallel with groove has another through hole, and equally distributed four screwed holes are arranged around the said through hole, and respectively there is a L shaped groove front and back, slide block below.There is a groove said driving wheel slide block (9) upper end; Level has the hole that the front and back vertical with groove connect; Groove below is parallel with groove has another through hole, and said through hole has equally distributed four screwed holes on every side, and there is a rectangle step bottom of said slide block along groove direction; Respectively there are two screwed holes at the front/rear end place of step, and a L shaped groove is respectively arranged before and after the below of said screwed hole.
For the rotating direction that guarantees to treat welded tube all towards the blanking direction, it is characterized in that said upper and lower material guide rail all tilts towards the blanking direction.The cross section of said material loading guide rail (24) is rectangle; Above-below direction has an open recess that is rectangle on one side; And have two coaxial through holes before and after the orthogonal horizontal level of said upper and lower opening groove; The last end face of said guide rail is that to be 5 ° decline domatic to the through hole, and there is a decline step at the domatic place, axial line top to through hole that descends.The cross section of said blanking guide rail (26) is rectangle; Above-below direction has an open recess that is rectangle on one side; And have two coaxial through holes before and after the orthogonal horizontal level of said upper and lower opening groove; The last end face of said guide rail is that to be 5 ° rising domatic to the through hole, and there is a decline step at the domatic place, axial line top to through hole of rising.
Pallet base (5) is that an inside and outside cross sectional shape all is the hollow straight quadrangular of rectangular up/down perforation, relative both sides, pallet base bottom respectively have one be cuboid step, two counterbores are respectively arranged on the said step.Crossbar bracket is slidedly assemblied in the said pallet base.To the impact of lathe, the movable pulley transmission is adopted in the up-down of crossbar bracket when treating that in order to slow down welded tube tumbles.A pulley is assembled in the lower end of crossbar bracket, and crossbeam is installed in the upper end of crossbar bracket.Said crossbar bracket (3) cross section is rectangular, and the bottom has a groove, and the right and left of groove has two coaxial through holes, and the open slot that is rectangle is arranged at top, and one side of groove vertically has a through hole with groove.
For realizing and the optimization means function with blanking that connects material that corner block need be installed in the two ends of crossbeam (4).The structure of said crossbeam is the through hole that right ends respectively has a up/down perforation, is parallel to each other, crossbeam one side level have a screwed hole, said screwed hole is used for fixed cross beam on crossbar bracket.Rotating shaft (2) is installed in the through hole at crossbeam two ends.For installation corner block on rotating shaft; Rotary magnet is installed below; And rotating shaft can be rotated on crossbeam; Said rotating shaft (2) diameter is three sections from big to small, the open slot that the maximum cylinder end of diameter has front and back to connect, and there are two screwed holes the minimum cylinder end of diameter.