Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the cross-shaped steel column welding device which can improve the fixing efficiency and the positioning effect of T-shaped steel and H-shaped steel, and can freely adjust the posture to expose a welding seam, so that the integral welding efficiency and the welding effect are improved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a cross-shaped steel column welding device comprises a base, a welding system and a jacking system, wherein a fixed seat is arranged on one side of the base, an auxiliary chuck is rotatably arranged on the fixed seat, an electromagnetic locking device is arranged on the rear side of the auxiliary chuck, an auxiliary middle clamping jaw is arranged in the middle of the auxiliary chuck, and an auxiliary top-arranged clamping jaw and an auxiliary bottom-arranged clamping jaw are respectively arranged on two sides of the auxiliary middle clamping jaw; the other side of the base is provided with a pair of slide rails, a linear driving mechanism is arranged between the slide rails, a slide seat is arranged on each slide rail in a sliding manner, the linear driving mechanism is used for driving the slide seat to linearly move along the slide rails, a driving chuck is arranged on each slide seat in a rotating manner, a middle-mounted telescopic disc is arranged in the middle of each driving chuck, an overhead telescopic disc and a bottom telescopic disc are respectively arranged on two sides of each middle-mounted telescopic disc, telescopic mechanisms are arranged between each middle-mounted telescopic disc, each overhead telescopic disc and each bottom telescopic disc and the corresponding driving chuck, a driving middle-mounted clamping jaw is arranged on each middle-mounted telescopic disc, a driving overhead clamping jaw is arranged on each top-mounted telescopic disc, a driving bottom clamping jaw is arranged on each bottom telescopic disc, a driving mechanism is arranged in each slide seat, and the driving mechanism is used for driving the driving each driving chuck to rotate; the welding system comprises a welding frame, the welding frame is arranged along the length direction of a base, a welding slide rail and a welding transverse displacement mechanism are arranged on the welding frame, a welding seat is arranged on the welding slide rail in a sliding mode, the welding transverse displacement mechanism is used for driving the welding seat to linearly move along the welding slide rail, a vertical telescopic arm is arranged on the welding seat, and a welding gun is arranged at the front end of the vertical telescopic arm; the jacking system is arranged in the middle of the base and comprises a jacking seat, a plurality of multi-stage jacking hydraulic cylinders are arranged at the bottom of the jacking seat, a sinking groove is formed in the middle of the jacking seat, and an elongated groove is coaxially formed in the center of the sinking groove.
The auxiliary middle-arranged clamping jaw corresponds to the driving middle-arranged clamping jaw, the auxiliary top-arranged clamping jaw corresponds to the driving top-arranged clamping jaw, and the auxiliary bottom-arranged clamping jaw corresponds to the driving bottom-arranged clamping jaw; the auxiliary middle clamping jaw and the driving middle clamping jaw are symmetrically provided with two pairs, and the auxiliary middle clamping jaw and the driving middle clamping jaw are clamped from bottom to top; the auxiliary top-arranged clamping jaws and the driving top-arranged clamping jaws are symmetrically arranged in two pairs, and the auxiliary top-arranged clamping jaws and the driving top-arranged clamping jaws are clamped from top to bottom; the auxiliary bottom-mounted clamping jaws and the driving bottom-mounted clamping jaws are symmetrically provided with two pairs, and the auxiliary bottom-mounted clamping jaws and the driving bottom-mounted clamping jaws are clamped from bottom to top.
The auxiliary middle-arranged clamping jaw, the auxiliary top-arranged clamping jaw, the auxiliary bottom-arranged clamping jaw, the active middle-arranged clamping jaw, the active top-arranged clamping jaw and the active bottom-arranged clamping jaw respectively comprise a fixed jaw and a movable jaw, the movable jaws of the auxiliary top-arranged clamping jaw and the active top-arranged clamping jaw are positioned above the fixed jaw, and the movable jaws of the auxiliary middle-arranged clamping jaw, the auxiliary bottom-arranged clamping jaw, the active middle-arranged clamping jaw and the active bottom-arranged clamping jaw are positioned below the fixed jaw.
All set up a plurality of mounting grooves corresponding with the jack catch on supplementary chuck and the initiative chuck, mounting groove internal rotation installation jack catch lead screw, jack catch and mounting groove sliding connection, the jack catch bottom sets up the lead screw nut with jack catch lead screw matched with, jack catch lead screw one end sets up jack catch servo motor.
The electromagnetic locking device comprises an adsorption disc and an electromagnetic disc which are arranged on the rear side of the auxiliary chuck, a plurality of pin shafts are arranged on the adsorption disc, pin holes which correspond to the pin shafts one to one are formed in the rear side of the auxiliary chuck, and the pin shafts are connected with the pin holes in a sliding mode.
The middle part of the base is provided with a settling tank, and the jacking system is arranged in the settling tank.
The driving mechanism is a gear transmission mechanism driven by a servo motor, and the driving chuck drives the auxiliary chuck to synchronously rotate after the driving chuck and the auxiliary chuck clamp a workpiece.
Compared with the prior art, the invention has the beneficial effects that:
the auxiliary chuck and the driving chuck are used for clamping and butting the T-shaped steel and the H-shaped steel, so that the two T-shaped steels can be attached to two sides of the H-shaped steel to finish the fixation of a welding state. Thereby can drive the whole rotation of shaped steel through the initiative chuck and adjust its gesture, make the welding seam of T shaped steel and H shaped steel contact expose to be convenient for utilize welding machine to accomplish automatic welding. This fixed and adjustment structure of section bar makes the welding efficiency of cross steel column higher, and the welding effect is better.
The jacking system is used for loading the section steel, and can be used for positioning and lifting the T-shaped steel, the H-shaped steel and the T-shaped steel which are placed in the forward direction, so that the loading efficiency of the section steel is improved.
Detailed description of the preferred embodiments
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope defined by the present application.
As shown in fig. 1 to 9, the cross-shaped steel column welding device provided by the invention comprises a base 1, a welding system 2 and a jacking system 3, wherein the base 1 is used as a bearing part of a section fixing and posture adjusting mechanism, the welding system 2 is used for automatically welding a welding seam, and the jacking system 3 is used for positioning and lifting the section so as to position and clamp the section. In the present invention, the welding system 2, the jacking system 3, and the subsequent auxiliary chuck 41 and the active chuck 51 are controlled by a controller.
Base 1 one side sets up fixing base 4, the supplementary chuck 41 of rotation installation on the fixing base 4, supplementary chuck 41 rear side sets up electromagnetism locking ware 42, electromagnetism locking ware 42 can carry out the locking to supplementary chuck 41 to it is fixed. Specifically, electromagnetism locking ware 42 is including setting up adsorption disc 43 and the electromagnetism dish 44 in supplementary chuck 41 rear side, a plurality of round pins have on the adsorption disc 43, supplementary chuck 41 rear side sets up the pinhole with round pin axle one-to-one, round pin axle and pinhole sliding connection. When the electromagnetic disc 44 is energized, magnetism is generated to attract the attraction disc 43, and the pin shaft of the attraction disc 43 slides outwards in the pin hole but does not disengage, so that the auxiliary chuck 41 is locked and fixed. The middle part of the auxiliary chuck 41 is provided with an auxiliary middle jack catch 91, and two sides of the auxiliary middle jack catch 91 are respectively provided with an auxiliary top jack catch 92 and an auxiliary bottom jack catch 93. Based on fig. 5, the auxiliary top-mounted claws 92 are arranged at the top, the auxiliary middle-mounted claws 91 are arranged in the middle, and the auxiliary bottom-mounted claws 93 are arranged at the bottom.
The 1 opposite side of base sets up a pair of slide rail 11, set up linear drive mechanism 12 between the slide rail 11, slide on the slide rail 11 and set up sliding seat 5, linear drive mechanism 12 is used for driving sliding seat 5 along 11 rectilinear motion of slide rail, linear drive mechanism 12 is screw drive mechanism, drives the lead screw through servo motor and rotates to drive sliding seat 5 slides along slide rail 11, makes driving seat 5 can remove fixing base 4 in opposite directions, thereby shortens interval between the two, is convenient for according to the section bar adjustment interval of different length.
The sliding seat 5 is rotatably provided with a driving chuck 51, the middle part of the driving chuck 51 is provided with a middle telescopic disc 52, two sides of the middle telescopic disc 52 are respectively provided with a top telescopic disc 53 and a bottom telescopic disc 54, taking fig. 7 as an example, the top is the top telescopic disc 53, and the bottom is the bottom telescopic disc 54. Telescopic mechanisms 55 are arranged between the middle telescopic disc 52, the top telescopic disc 53 and the bottom telescopic disc 54 and the driving chuck 51, and the telescopic mechanisms 55 are used for pushing the middle telescopic disc 52, the top telescopic disc 53 and the bottom telescopic disc 54 to be far away from the driving chuck 51. The middle telescopic disc 52 is provided with a driving middle clamping jaw 94, the top telescopic disc 53 is provided with a driving top clamping jaw 95, the bottom telescopic disc 54 is provided with a driving bottom clamping jaw 96, the auxiliary middle clamping jaw 91 corresponds to the driving middle clamping jaw 94 to clamp two ends of the top T-shaped steel, the auxiliary top clamping jaw 92 corresponds to the driving top clamping jaw 95 to clamp two ends of the H-shaped steel, and the auxiliary bottom clamping jaw 93 corresponds to the driving bottom clamping jaw 96 to clamp two ends of the bottom inverted T-shaped steel. The auxiliary middle jack catch 91 and the driving middle jack catch 94 are symmetrically provided with two pairs, and the auxiliary middle jack catch 91 and the driving middle jack catch 94 are clamped from bottom to top; two pairs of auxiliary top-up dogs 92 and active top-up dogs 95 are symmetrically arranged, and the auxiliary top-up dogs 92 and the active top-up dogs 95 are clamped from top to bottom; the auxiliary bottom-mounted clamping jaws 93 and the driving bottom-mounted clamping jaws 96 are symmetrically arranged in two pairs, and the auxiliary bottom-mounted clamping jaws 93 and the driving bottom-mounted clamping jaws 96 are clamped from bottom to top. Specifically, the auxiliary middle-positioned jaw 91, the auxiliary top-positioned jaw 92, the auxiliary bottom-positioned jaw 93, the active middle-positioned jaw 94, the active top-positioned jaw 95 and the active bottom-positioned jaw 96 each include a fixed jaw and a movable jaw, the movable jaws of the auxiliary top-positioned jaw 92 and the active top-positioned jaw 95 are located above the fixed jaw, and the movable jaws of the auxiliary middle-positioned jaw 91, the auxiliary bottom-positioned jaw 93, the active middle-positioned jaw 94 and the active bottom-positioned jaw 96 are located below the fixed jaw. All set up a plurality of mounting grooves corresponding with the jack catch on supplementary chuck 41 and the initiative chuck 51, mounting groove internal rotation installation jack catch lead screw 97, jack catch and mounting groove sliding connection, the jack catch bottom sets up the lead screw nut with jack catch lead screw 97 matched with, jack catch lead screw 97 one end sets up jack catch servo motor 98. A plurality of conductive slip rings are arranged on the auxiliary chuck 41 and the driving chuck 51 and are matched with a control circuit of the jaw servo motor 98 to be conducted, and the movable jaws can well clamp profile steel through the driving of the jaw servo motor 98, so that the T-shaped steel can be accurately butted with the H-shaped steel to form a welding line.
When the auxiliary middle clamping jaw 91 and the active middle clamping jaw 94 clamp the H-shaped steel, the H-shaped steel is lifted to be in contact with the T-shaped steel at the top to form a top welding seam; when the auxiliary bottom-mounted claws 93 and the driving bottom-mounted claws 96 clamp the bottom T-shaped steel, the bottom T-shaped steel is lifted to be in contact with the H-shaped steel to form a bottom welding seam.
A driving mechanism 56 is arranged in the sliding seat 5, and the driving mechanism 56 is used for driving the driving chuck 51 to rotate. Specifically, the driving mechanism 56 is a gear transmission mechanism driven by a servo motor, and when the driving chuck 51 and the auxiliary chuck 41 clamp a workpiece, the driving chuck 51 drives the auxiliary chuck 41 to rotate synchronously. The driving chuck 51 can drive the clamped workpiece to rotate, so that the posture of the workpiece is adjusted for a plurality of times, and two sides of the welding seam at the top and two sides of the welding seam at the bottom are sequentially exposed above the workpiece, so that the welding system 2 can weld the welding seam. Through initiative chuck 51 and supplementary chuck 41 to T shaped steel and H shaped steel clamping to utilize the rotation of initiative chuck 51 to accomplish the adjustment to the shaped steel gesture, the quick weld of completion cross steel column welding seam that can be quick, very big improvement welding efficiency.
The welding system 2 comprises a welding frame 21, and the welding frame 21 is arranged along the length direction of the base 1. The welding frame 21 can be installed on the top of a workshop in a hanging mode, and can also be installed on the ground of the workshop through a cantilever structure. Set up welding slide rail 22 and welding lateral displacement mechanism 23 on the weld holder 21, slidable mounting welding seat 24 on welding slide rail 22, welding lateral displacement mechanism 23 is used for the drive welding seat 24 is along welding slide rail 22 rectilinear movement. The welding transverse displacement mechanism 23 adopts a synchronous belt driving mechanism, and drives the welding seat 24 to transversely displace by using the synchronous belt driving mechanism. The welding seat 24 is provided with a vertical telescopic arm 25, the front end of the vertical telescopic arm 25 is provided with a welding gun 26, in the embodiment, the vertical telescopic arm 25 adopts a sliding table driven by an electric push rod, and the welding gun 26 is installed at the bottom of the sliding table. The electric push rod can drive the welding gun 26 to lift, thereby completing the butt joint with the welding seam.
Jacking system 3 sets up in base 1 middle part, and is concrete, in order to guarantee that jacking system 3's installation does not take place to interfere with the clamping of section bar, base 1 middle part sets up the subsider, jacking system 3 sets up promptly in the subsider. Jacking system 3 includes jacking seat 31, a plurality of multistage jacking pneumatic cylinders 32 of jacking seat 31 bottom installation, multistage jacking pneumatic cylinder 32 can carry out the clamping with its jacking to each clamping position and fix. The middle part of the jacking seat 31 is provided with a sinking groove, and the center of the sinking groove is coaxially provided with a long groove. The width of the jacking seat 31 is consistent with that of an inner groove of the H-shaped steel, so that the H-shaped steel is positioned by utilizing the jacking seat 31. The diameter of the sinking groove is slightly larger than the width of the bottom surface of the T-shaped steel, so that the T-shaped steel is positioned by the sinking groove, the long groove is a through groove, and the bottom of the T-shaped steel is positioned by the long groove.
Further, according to the time sequence, when the cross steel column is welded, the auxiliary overhead jaw 92 and the active overhead jaw 95 in the initial state are in the top position, and the auxiliary chuck 41 is locked by the electromagnetic lock 42. The control program of each part is as follows: firstly, the T-shaped steel at the top is hoisted to the jacking seat 31, the transverse edge of the T-shaped steel is placed in the sunken groove, the vertical edge of the T-shaped groove is placed in the long groove, then the T-shaped steel is jacked to the highest position through the multistage jacking hydraulic cylinder 32, then the overhead telescopic disc 53 extends, one end of the T-shaped steel is clamped into the driving overhead clamping jaw 95, the other end of the T-shaped steel is pushed into the auxiliary overhead clamping jaw 92 along with the pushing of the overhead telescopic disc 53, then the driving overhead clamping jaw 95 and the auxiliary overhead clamping jaw 92 are controlled to clamp the T-shaped steel, and the jacking seat 31 falls down along with the T-shaped steel. Subsequently hoist on jacking seat 31 with middle H shaped steel, the inside groove of H shaped steel is gone into on jacking seat 31, later through multistage jacking pneumatic cylinder 32 with T shaped steel jacking to inferior eminence, put flexible dish 52 and extend in the follow, the one end card of H shaped steel is put in the initiative in the jack catch 94, along with put the promotion of flexible dish 52 in with the H shaped steel other end push in supplementary put jack catch 91, subsequently control is put jack catch 94 in the initiative and supplementary in put jack catch 91 with H shaped steel clamp tightly, along with pressing from both sides tightly, H shaped steel is promoted the certain distance by the movable claw, make the top surface of H shaped steel and the perpendicular limit bottom of T shaped steel contact, jacking seat 31 whereabouts thereupon. Jacking seat 31 is hoisted on the T shaped steel with the bottom immediately, make the horizontal limit of T shaped steel arrange in heavy inslot, the vertical limit of T shaped steel is vertical upwards, later through multistage jacking pneumatic cylinder 32 with T shaped steel jacking to low department, the flexible dish 54 of putting at the bottom extends afterwards, the one end card of T shaped steel is gone into in the initiative end jack catch 96, along with the promotion of putting flexible dish 54 at the bottom pushes the T shaped steel other end supplementary end put in jack catch 93 at the bottom, control initiative end jack catch 96 and supplementary end jack catch 93 of putting at the bottom and press from both sides T shaped steel tightly afterwards, along with pressing from both sides, T shaped steel is promoted the certain distance by the movable claw, the bottom contact of ascending vertical limit top and H shaped steel, jacking seat 31 whereabouts thereupon. After clamping is completed, the controller controls the electromagnetic locking device 42 to release locking of the auxiliary chuck 41, the driving mechanism 56 drives the driving chuck 51 to rotate clockwise by 45 degrees, one side of a top welding seam is exposed at the top, then the welding transverse displacement mechanism 23 is controlled to drive the welding seat 24 to linearly displace along the welding slide rail 22, the vertical telescopic arm 25 extends to enable the welding gun 26 to fit the welding seam, and the welding seam is welded along with driving of the welding transverse displacement mechanism 23. After the top welding seam is welded, the vertical telescopic arm 25 contracts to enable the welding gun 26 to be separated from the welding seam, the driving mechanism 56 drives the driving chuck 51 to rotate 90 degrees clockwise, one side of the bottom welding seam is exposed above, the vertical telescopic arm 25 is attached to the welding seam after being extended, and the welding seam is welded along with the driving of the welding transverse displacement mechanism 23. Then, the driving chuck 51 is driven by the driving mechanism 56 to rotate clockwise twice by 90 degrees, and the welding of the bottom weld joint and the other side of the top weld joint is completed by using the welding system 2. Then the driving mechanism 56 drives the driving chuck 51 to rotate clockwise by 45 degrees to an initial state, controls each clamping jaw to loosen and clamp, fixes the cross-shaped steel column by using the hoisting equipment, and drives the sliding seat 5 to move towards one side far away from the fixed seat 4 by using the linear driving mechanism 12, so that the cross-shaped steel column is hoisted and discharged.